gold/ChangeLog

   1 2012-10-16  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
   4         (Target_powerpc::do_finalize_sections): Call it.
   5         (Output_data_save_res): New class and supporting functions.
   6         (Target_powerpc::symval_for_branch): Only look up .opd entry for
   7         normal symbols defined in object files.
   8
   9 2012-10-12  Alan Modra  <amodra@gmail.com>
  10
  11         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
  12         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
  13         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
  14         section if scan_opd_relocs not yet called.
  15         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
  16
  17 2012-10-12  Alan Modra  <amodra@gmail.com>
  18
  19         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
  20         add_local_ifunc_entry): Revert last change.
  21         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
  22
  23 2012-10-05  Alan Modra  <amodra@gmail.com>
  24
  25         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
  26         do_plt_address_for_global): New functions.
  27         (Output_data_got_powerpc::do_write): Don't segfault when linking
  28         statically.
  29         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
  30         add_local_ifunc_entry): Return true on adding entry..
  31         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
  32         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
  33         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
  34         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
  35         set up symbols here.
  36         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
  37         syms here.  Do so even when no .iplt.  Don't segfault when linking
  38         statically.
  39         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
  40         new variants without reloc param.
  41         (Glink_sym_ent::Glink_sym_ent): Likewise.
  42         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
  43         reloc when refs will resolve to plt call stub.
  44         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
  45         R_PPC_PLTREL24 to resolve locally.
  46         (Target_powerpc::Scan::global): Correct ifunc handling.
  47         (Target_powerpc::Relocate::relocate): Correct local sym glink
  48         lookup.  Don't destroy "value" when we have a plt call stub,
  49         and when checking plt call validity.
  50         (Target_powerpc::do_dynsym_value): Simplify.
  51
  52 2012-10-05  Alan Modra  <amodra@gmail.com>
  53
  54         * i386.cc (Output_data_plt_i386::address_for_global,
  55         address_for_local): Add plt offset to returned value.  Adjust uses.
  56         * sparc.cc (Output_data_plt_sparc::address_for_global,
  57         address_for_local): Likewise.
  58         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
  59         address_for_local): Likewise.
  60         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
  61         address_for_local): Likewise.
  62         * target.h (Target::plt_address_for_global, plt_address_for_local):
  63         Update comment.
  64         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
  65         (Output_data_got::Got_entry::write): Nor here.
  66         * output.h: Comment fix.
  67
  68 2012-10-02  Jiong Wang  <jiwang@tilera.com>
  69
  70         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
  71         global_offset_table_ value for larget got.
  72         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
  73
  74 2012-09-29  Alan Modra  <amodra@gmail.com>
  75
  76         * powerpc.cc (Target_powerpc::iplt_): New output section.
  77         (Target_powerpc::iplt_section, make_iplt_section,
  78         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
  79         (Target_powerpc::make_plt_entry): Handle ifunc syms.
  80         Target_powerpc::plt_entry_count): Count iplt entries too.
  81         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
  82         reloc section in constructor.  New params.
  83         (Target_powerpc::make_plt_section): Create reloc section here instead.
  84         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
  85         functions.
  86         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
  87         (Output_data_glink::add_entry, find_entry): New functions to
  88         deal with local syms.
  89         (Glink_sym_ent): Add support for local syms.
  90         (Output_data_glink::do_write): Handle ifunc plt entries.
  91         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
  92         (Target_powerpc::Scan::local, global): Handle ifunc syms.
  93         (Target_powerpc::Relocate::relocate): Likewise.
  94         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
  95
  96 2012-09-25  Alan Modra  <amodra@gmail.com>
  97
  98         * object.h (Sized_relobj_file::adjust_local_symbol,
  99         do_adjust_local_symbol): New functions.
 100         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
 101         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
 102         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
 103         and irregular opd entry spacing.
 104         (Powerpc_relobj::do_read_relocs): Add opd size checks.
 105         (Global_symbol_visitor_opd): New functor.
 106         (Target_powerpc::do_finalize_sections): Omit global symbols defined
 107         on deleted opd entries.
 108
 109 2012-09-15  Jiong Wang  <jiwang@tilera.com>
 110
 111         * tilegx.cc: New file.
 112         * Makefile.am (TARGETSOURCES): Add tilegx.cc
 113         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
 114         * configure.tgt: Add entries for tilegx*.
 115         * configure.ac: Likewise.
 116         * Makefile.in: Rebuild.
 117         * configure: Likewise.
 118         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
 119         tilegx.
 120
 121 2012-09-13  Alan Modra  <amodra@gmail.com>
 122
 123         * target-reloc.h (scan_relocs): Call scan.local for relocs
 124         against symbols in discarded sections.  Pass is_discarded
 125         param.
 126         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
 127         Add is_discarded param.
 128         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
 129         is_discarded to flag opd entry as discarded.  Don't emit dyn
 130         relocs on such entries.
 131         (Target_powerpc::Scan::global): Similarly detect and handle
 132         such opd entries.
 133         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
 134         opd_ent_.  Update all uses.
 135         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
 136         (Target_powerpc::relocate_section): Zero out discarded opd
 137         entry relocs.
 138
 139 2012-09-12  Ian Lance Taylor  <iant@google.com>
 140
 141         PR gold/14570
 142         * output.cc: Rename Output_data_got template parameter from size
 143         to got_size for all functions.  Compile all variants of
 144         Output_data_got.
 145         (Output_data_got::Got_entry::write): Correct use of size for
 146         symbol value.  Use local_is_tls rather than casting to
 147         Sized_relobj_file.
 148         * object.h (class Object): Add local_is_tls and do_local_is_tls.
 149         (class Sized_relobj_file): Add do_local_is_tls.
 150         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
 151
 152 2012-09-11  Alan Modra  <amodra@gmail.com>
 153
 154         PR gold/14566
 155         * layout.cc (Layout::set_segment_offsets): When using
 156         common-page-size alignment, ensure we are on a new max-page-size
 157         page.
 158         * output.cc (Output_segment::set_section_addresses): Use
 159         abi_pagesize, not common_pagesize for relro boundary.
 160         (Output_segment::set_offset): Likewise.
 161
 162 2012-09-11  Alan Modra  <amodra@gmail.com>
 163
 164         * output.h (Output_data_got::add_global_tls, add_local_tls,
 165         add_local_tls_pair): New functions.
 166         (Output_data_got::add_local_pair_with_rel): Remove second
 167         reloc param.  Expand comment.
 168         (Output_data_got::Got_entry): Rename use_plt_offset_ to
 169         use_plt_or_tls_offset_, similarly for constructor param.
 170         (Output_data_got::Got_entry::write): Add got_index param.
 171         * output.cc (Output_data_got::add_global_tls, add_local_tls,
 172         add_local_tls_pair): New functions.
 173         (Output_data_got::Got_entry::write): Handle tls symbols
 174         with use_plt_or_tls_offset_ set specially.
 175         (Output_data_got::add_local_pair_with_rel): Only one reloc.
 176         (Output_data_got::do_write): Replace iterator with index, pass
 177         index to entry write function.
 178         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
 179         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
 180         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
 181         call.
 182         * i386.cc (Target_i386::Scan::local): Likewise.
 183         * sparc.cc (Target_sparc::Scan::local): Likewise.
 184         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
 185         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
 186         do_tls_offset_for_global): New functions.
 187         (Target_powerpc::Scan::local): Correct TLS relocations and got
 188         entry values.
 189         (Target_powerpc::Scan::global): Don't emit unnecessary
 190         dynamic relocations on TLS GOT entries.
 191
 192 2012-09-10  Matthias Klose  <doko@ubuntu.com>
 193
 194         * config.in: Disable sanity check for kfreebsd.
 195
 196 2012-09-10  Sterling Augustine  <saugustine@google.com>
 197
 198         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
 199         (Gdb_index::pubtypes_read): New parameter.
 200         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
 201         to calls.
 202         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
 203         pubtypes_object_.
 204
 205 2012-09-09  Alan Modra  <amodra@gmail.com>
 206
 207         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
 208         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
 209         * gc.h (gc_process_relocs): Call target gc_add_reference.
 210         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
 211         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
 212         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
 213         unnecessary cast.
 214         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
 215         to cater for when we don't need code offset.  Update use.
 216         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
 217         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
 218         set_opd_valid): New functions.
 219         (Target_powerpc::do_gc_add_reference): New function.
 220         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
 221         stashed refs.
 222         (Target_powerpc::do_gc_mark_symbol): New function.
 223
 224 2012-09-06  Cary Coutant  <ccoutant@google.com>
 225
 226         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
 227         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
 228         (Dwarf_die::skip_attributes): Likewise.
 229         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
 230         * testsuite/gdb_index_test.cc (inline_func_1): New function.
 231         (main): Call it.
 232         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
 233
 234 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 235
 236         * testsuite/script_test_3.t: Add .got.plt output section
 237         statement.
 238         * testsuite/script_test_4.t: Likewise.
 239
 240 2012-09-05  Alan Modra  <amodra@gmail.com>
 241
 242         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
 243         update all uses and lose "enum" when using type.
 244
 245 2012-09-05  Alan Modra  <amodra@gmail.com>
 246
 247         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
 248         * configure: Regenerate.
 249         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
 250         (plugin_final_layout.stdout): Likewise.
 251         (memory_test): Set page sizes to 0x1000.
 252         * testsuite/Makefile.in: Regenerate.
 253         * testsuite/discard_locals_test.sh: Add FIXME comment.
 254         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
 255         * testsuite/pr14265.t: Add .got output section statement.
 256         * testsuite/script_test_2.t: Likewise.
 257         * testsuite/script_test_3.t: Likewise.
 258         * testsuite/script_test_4.t: Likewise.
 259         * testsuite/script_test_5.t: Likewise.
 260         * testsuite/script_test_6.t: Likewise.
 261         * testsuite/script_test_7.t: Likewise.
 262         * testsuite/script_test_9.t: Likewise.
 263
 264 2012-09-05  Alan Modra  <amodra@gmail.com>
 265
 266         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
 267         (Powerpc_relocate_functions::Status): New typedef.
 268         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 269         (Target_powerpc::Scan::local): Handle REL64.
 270         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
 271         for REL32 and REL64.
 272         (Target_powerpc::symval_for_branch): New function, extracted from..
 273         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
 274         checks.  Report overflow errors.
 275
 276 2012-09-05  Alan Modra  <amodra@gmail.com>
 277
 278         * object.h (Sized_relobj_file::emit_relocs): Delete.
 279         (Sized_relobj_file::emit_relocs_reltype): Delete.
 280         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
 281         relocate_relocs for --emit-relocs.
 282         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
 283         * output.h: Update comment.
 284         (Output_segment::first_section): New function.
 285         (Output_segment::first_section_load_address): Use first_section.
 286         * output.cc (Output_segment::first_section): New function extracted..
 287         (Output_segment::first_section_load_address): ..from here.  Delete.
 288         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
 289         * target.h (Sized_target::relocate_for_relocatable): Likewise.
 290         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
 291         adjust call to target.h function.
 292         * i386.cc (Target_i386): Likewise.
 293         * sparc.cc (Target_sparc): Likewise.
 294         * x86_64.cc (Target_x86_64): Likewise.
 295         * powerpc.cc (Target_powerpc): Likewise.
 296         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
 297         first tls section has section symbol for optimised local dynamic
 298         output relocs.
 299         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
 300         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
 301         optimised tls code.
 302         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
 303         Rename to relocate_relocs.  Update error message.
 304
 305 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
 306
 307         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
 308         --just-symbols.
 309
 310 2012-08-31  Alan Modra  <amodra@gmail.com>
 311
 312         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
 313         (Powerpc_relobj::toc_base_offset): New stub function.
 314         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
 315         got_mod_index_offset to tlsld_got_offset.  Update all refs.
 316         (Target_powerpc::Relocate::enum skip_tls): New.
 317         (Target_powerpc::call_tls_get_addr_): New var.
 318         (Target_powerpc::is_branch_reloc): Move to file scope.
 319         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
 320         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 321         New functions.
 322         (Target_powerpc::enum Got_type): Delete old values, add new ones.
 323         (powerpc_info): Correct common_pagesize for ppc64.
 324         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
 325         (Powerpc_relocate_functions): Add overflow check enums and functions.
 326         Add non-shift version of rela, rela_ua.  Delete all rel public
 327         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
 328         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
 329         addr16_ha3, addr14 functions.
 330         (Output_data_got_powerpc::add_constant_pair): New function.
 331         (Output_data_got_powerpc::got_base_offset): Likewise.
 332         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
 333         (instruction constants): Sort, add some more.
 334         (Output_data_glink::do_write): Add and use Address typedef.  Use
 335         object->toc_base_offset() stub for 64-bit.
 336         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
 337         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 338         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
 339         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
 340         Always treat .opd relocs as against locally defined symbol.
 341         Correct condition for RELATIVE relocs.
 342         (Target_powerpc::do_finalize_sections): Test for NULL sections.
 343         (Target_powerpc::Relocate::relocate): Use plt call stub as value
 344         for 32-bit syms with a plt entry.  Correct ppc64 toc base
 345         calculations.  Handle TLS relocs, and more.  Add overflow
 346         checking and adjust for Powerpc_relocate_functions changes.
 347         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
 348         Reinstate --emit-relocs code with FIXME.
 349
 350 2012-08-30  Alan Modra  <amodra@gmail.com>
 351
 352         * layout.cc (Layout::set_segment_offsets): Set p_align to
 353         abi_pagesize, not common_pagesize.
 354         (Layout::relaxation_loop_body): Similarly use abi_pagesize
 355         to determine whether file header can go in segment.
 356
 357 2012-08-30  Alan Modra  <amodra@gmail.com>
 358
 359         * output.h (Output_reloc::Output_reloc <output section>): Add
 360         is_relative param.  Adjust calls.
 361         (Output_reloc::add_output_section_relative): New functions.
 362         * output.cc (Output_reloc::Output_reloc <output section>): Handle
 363         is_relative.
 364         (Output_reloc::symbol_value): Handle SECTION_CODE.
 365
 366 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
 367
 368         * gold.cc (queue_middle_tasks): Call layout again when unique
 369         segments for sections is desired.
 370         * layout.cc (Layout::Layout): Initialize new members.
 371         (Layout::get_output_section_flags): New function.
 372         (Layout::choose_output_section): Call get_output_section_flags.
 373         (Layout::layout): Make output section for mapping to a unique segment.
 374         (Layout::insert_section_segment_map): New function.
 375         (Layout::attach_allocated_section_to_segment): Make unique segment for
 376         output sections marked so.
 377         (Layout::segment_precedes): Check for unique segments when sorting.
 378         * layout.h (Layout::Unique_segment_info): New struct.
 379         (Layout::Section_segment_map): New typedef.
 380         (Layout::insert_section_segment_map): New function.
 381         (Layout::get_output_section_flags): New function.
 382         (Layout::is_unique_segment_for_sections_specified): New function.
 383         (Layout::set_unique_segment_for_sections_specified): New function.
 384         (Layout::unique_segment_for_sections_specified_): New member.
 385         (Layout::section_segment_map_): New member.
 386         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
 387         Rename is_gc_pass_one to is_pass_one.
 388         Rename is_gc_pass_two to is_pass_two.
 389         Rename is_gc_or_icf to is_two_pass.
 390         Check for which pass based on whether symbols data is present.
 391         Make it two pass when unique segments for sections is desired.
 392         * output.cc (Output_section::Output_section): Initialize new
 393         members.
 394         * output.h (Output_section::is_unique_segment): New function.
 395         (Output_section::set_is_unique_segment): New function.
 396         (Output_section::is_unique_segment_): New member.
 397         (Output_section::extra_segment_flags): New function.
 398         (Output_section::set_extra_segment_flags): New function.
 399         (Output_section::extra_segment_flags_): New member.
 400         (Output_section::segment_alignment): New function.
 401         (Output_section::set_segment_alignment): New function.
 402         (Output_section::segment_alignment_): New member.
 403         (Output_segment::Output_segment): Initialize is_unique_segment_.
 404         (Output_segment::is_unique_segment): New function.
 405         (Output_segment::set_is_unique_segment): New function.
 406         (Output_segment::is_unique_segment_): New member.
 407         * plugin.cc (allow_unique_segment_for_sections): New function.
 408         (unique_segment_for_sections): New function.
 409         (Plugin::load): Add new functions to transfer vector.
 410         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
 411         * Makefile.in: Regenerate.
 412         * testsuite/plugin_final_layout.sh: Check if unique segment
 413         functionality works.
 414         * testsuite/plugin_section_order.c (onload): Check if new interfaces
 415         are available.
 416         (allow_unique_segment_for_sections): New global.
 417         (unique_segment_for_sections): New global.
 418         (claim_file_hook): Call allow_unique_segment_for_sections.
 419         (all_symbols_read_hook): Call unique_segment_for_sections.
 420
 421 2012-08-22  Cary Coutant  <ccoutant@google.com>
 422
 423         * layout.cc (Layout::include_section): Don't assert on GROUP
 424         sections with --emit-relocs.
 425
 426 2012-08-21  Cary Coutant  <ccoutant@google.com>
 427
 428         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
 429         if --export-dynamic-symbol names an undef symbol.
 430
 431 2012-08-18  Alan Modra  <amodra@gmail.com>
 432
 433         * powerpc.cc: Formatting and white space.
 434         (Powerpc_relobj): Rename got2_section_ to special_.
 435         Add opd_ent_shndx_ and opd_ent_off_ vectors.
 436         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
 437         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
 438         (Target_powerpc): Add Address typedef and invalid_address.  Use
 439         throughout.
 440         (Target_powerpc::is_branch_reloc): New function.
 441         (Powerpc_relocate_functions): Add Address typedef, use throughout.
 442         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
 443         for dst_mask, value and addend.
 444         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
 445         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
 446         (Output_data_glink::do_write): Correct toc base.  Don't try to use
 447         uint16_t for 24-bit offset.  Use get_output_section_offset and
 448         check return.
 449         (Target_powerpc::Scan::local): Handle more relocs.
 450         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
 451         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
 452         Plug in toc restoring insn after plt calls.  Translate branches
 453         to function descriptor symbols to corresponding entry point.
 454         (Target_powerpc::relocate_for_relocatable): Check return from
 455         get_output_section_offset.
 456         * symtab.h: Comment typo.
 457
 458 2012-08-14  Ian Lance Taylor  <iant@google.com>
 459
 460         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
 461         unsupported_relocal_local to call unsupported_reloc_global.
 462
 463 2012-08-14  Nick Clifton  <nickc@redhat.com>
 464
 465         PR ld/14265
 466         * script-sections.cc (Sections_element::output_section_name): Add
 467         keep return parameter.
 468         (Output_section_element::match_name): Add keep return parameter.
 469         Return the value of the keep_ member.
 470         * script-sections.h (class Output_section): Update
 471         output_section_name prototype.
 472         * layout.cc (Layout::keep_input_section): New public member
 473         function.
 474         (Layout::choose_output_section): Pass keep parameter to
 475         output_section_name.
 476         * layout.h (class Layout): Add keep_input_section.
 477         * object.cc (Sized_relobj_file::do_layout): Check for kept input
 478         sections.
 479         * testsuite/Makefile.am: Add a test.
 480         * testsuite/Makefile.in: Regenerate.
 481         * testsuite/pr14265.c: Source file for the test.
 482         * testsuite/pr14265.t: Linker script for the test.
 483         * testsuite/pr14265.sh: Shell script for the test.
 484
 485 2012-08-14  Alan Modra  <amodra@gmail.com>
 486
 487         * target.h (Target::output_section_name): New function.
 488         (Target::do_output_section_name): New function.
 489         * layout.cc (Layout::choose_output_section): Call the above.
 490         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
 491
 492 2012-08-14  Alan Modra  <amodra@gmail.com>
 493
 494         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
 495         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
 496         for replace_constant call.
 497         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
 498         (Output_data_glink::do_print_to_mapfile): New function.
 499         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
 500         (Target_powerpc::Relocate::relocate): Likewise.
 501
 502 2012-08-14  Alan Modra  <amodra@gmail.com>
 503
 504         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
 505         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
 506         (Output_data_glink::add_entry,find_entry): Remove shndx param.
 507         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
 508         all references to shndx_.  Handle special case for R_PPC_PLTREL24
 509         here.
 510         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
 511         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
 512         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
 513         here.
 514         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
 515         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
 516
 517 2012-08-12  Alan Modra  <amodra@gmail.com>
 518
 519         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
 520         (glink insn constants): Use uint32_t.
 521         (Output_data_glink::add_entry): Use insert, not [] operator.
 522
 523 2012-08-11  Alan Modra  <amodra@gmail.com>
 524
 525         * object.h (Sized_relobj_file::find_shdr): New function.
 526         (Sized_relobj_file::find_special_sections): New function.
 527         * object.cc (Sized_relobj_file::find_shdr): New function.
 528         (Sized_relobj_file::find_eh_frame): Use find_shdr.
 529         (Sized_relobj_file::find_special_sections): New function, split out..
 530         (Sized_relobj_file::do_read_symbols): ..from here.
 531         * output.h (Output_data_got::replace_constant): New function.
 532         (Output_data_got::num_entries): New function.
 533         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
 534         (Output_data_got::got_offset): Protected rather than private.
 535         (Output_data_got::replace_got_entry): New function.
 536         * output.cc (Output_data_got::replace_got_entry): New function.
 537         * powerpc.cc (class Powerpc_relobj): New.
 538         (class Powerpc_relocate_functions): Delete all psymval variants or
 539         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
 540         Implement _ha functions using corresponding _hi function.
 541         (Powerpc_relobj::find_special_sections): New function.
 542         (Target_powerpc::do_make_elf_object): New function.
 543         (class Output_data_got_powerpc): New.
 544         (class Output_data_glink): New.
 545         (class Powerpc_scan_relocatable_reloc): New.
 546         Many more changes througout file.
 547
 548 2012-08-09  Nick Clifton  <nickc@redhat.com>
 549
 550         * po/vi.po: Updated Vietnamese translation.
 551
 552 2012-08-07  Ian Lance Taylor  <iant@google.com>
 553
 554         * layout.cc (Layout::add_target_dynamic_tags): If
 555         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
 556         plt_rel.
 557
 558 2012-07-30  Nick Clifton  <nickc@redhat.com>
 559
 560         * po/gold.pot: Updated template.
 561         * po/es.po: Updated Spanish translation.
 562
 563 2012-07-18  Cary Coutant  <ccoutant@google.com>
 564
 565         PR gold/14344
 566         * configure.ac: Add check for -gpubnames support.
 567         * configure: Regenerate.
 568         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 569         support; force -gno-pubnames.
 570         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 571         support.
 572         (gdb_index_test_4): New test.
 573         * testsuite/Makefile.in: Regenerate.
 574         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 575         * testsuite/gdb_index_test_2.sh: Likewise.
 576         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 577         * testsuite/gdb_index_test_4.sh: New script.
 578         * testsuite/gdb_index_test_comm.sh: New script with common code;
 579         don't look for space after colon.
 580
 581 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 582
 583         * gold.cc (queue_middle_tasks): Update function order only after
 584         deferred objects due to plugins are processed.
 585
 586 2012-07-11  Ian Lance Taylor  <iant@google.com>
 587
 588         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 589         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 590         (Target_arm::scan_reloc_for_stub): Likewise.
 591         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 592         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 593         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 594         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 595         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 596
 597 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 598             Ian Lance Taylor  <iant@google.com>
 599
 600         PR gold/14309
 601         * configure.ac: Test whether std::tr1::hash<off_t> works.
 602         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 603         needed.
 604         * output.h (class Output_fill): Add virtual destructor.
 605         * configure, config.in: Rebuild.
 606
 607 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 608
 609         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 610
 611 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 612
 613         * plugin.cc (Plugin::load): Handle position independent executables.
 614
 615 2012-06-06  Cary Coutant  <ccoutant@google.com>
 616
 617         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 618         add .debug_macro.
 619         (lines_only_debug_sections): Likewise.
 620         (gdb_fast_lookup_sections): New static array.
 621         (is_gdb_debug_section): Rename formal parameter.
 622         (is_lines_only_debug_section): Likewise.
 623         (is_gdb_fast_lookup_section): New function.
 624         (Layout::include_section): Check for ".zdebug_" prefix; pass
 625         section name suffix to is_gdb_debug_section, et al.; check for
 626         fast-lookup sections when building .gdb_index.
 627         * options.h (--strip-debug-gdb): Update GDB version number.
 628
 629 2012-06-06  Cary Coutant  <ccoutant@google.com>
 630
 631         * configure.ac: Add check for fallocate.
 632         * configure: Regenerate.
 633         * config.in: Regenerate.
 634
 635         * options.h (class General_options): Add --mmap-output-file and
 636         --posix-fallocate options.
 637         * output.cc: (posix_fallocate): Remove; replace with...
 638         (gold_fallocate): New function.
 639         (Output_file::map_no_anonymous): Call gold_fallocate.
 640         (Output_file::map): Check --mmap-output-file option.
 641
 642 2012-06-05  Jing Yu  <jingyu@google.com>
 643
 644         * gold.h (textdomain): Add do {} to empty while(0).
 645         (bindtextdomain): Likewise.
 646
 647 2012-06-04  Cary Coutant  <ccoutant@google.com>
 648
 649         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 650         has_dynsym_index.
 651
 652 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 653
 654         * symtab.cc (Symbol_table::define_special_symbol):
 655         Initialize *poldsym to prevent uninitialized variable errors.
 656
 657 2012-05-23  Cary Coutant  <ccoutant@google.com>
 658
 659         * layout.cc (Layout::section_name_mapping): Add rules to handle
 660         exact match on .data.rel.ro.local or .data.rel.ro.
 661         (Layout::output_section_name): Check for exact matches.
 662
 663 2012-05-23  Cary Coutant  <ccoutant@google.com>
 664
 665         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 666         more carefully.
 667
 668 2012-05-22  Cary Coutant  <ccoutant@google.com>
 669
 670         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 671         object before exporting symbol.
 672
 673 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 674
 675         * testsuite/tls_test.cc: Include "config.h" first.
 676         * testsuite/tls_test_c.c: Likewise.
 677
 678 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 679             Nick Clifton  <nickc@redhat.com>
 680
 681         PR 14072
 682         * configure.in: Add check that sysdep.h has been included before
 683         any system header files.
 684         * configure: Regenerate.
 685         * config.in: Regenerate.
 686
 687 2012-05-14  Cary Coutant  <ccoutant@google.com>
 688
 689         * layout.cc (Layout::make_output_section): Mark .tdata section
 690         as RELRO.
 691         * testsuite/relro_test.cc: Add a TLS variable.
 692
 693 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 694
 695         PR gold/14091
 696         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 697         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 698         R_X86_64_64.
 699
 700 2012-05-08  Cary Coutant  <ccoutant@google.com>
 701
 702         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 703         (lines_only_debug_sections): Likewise.
 704
 705 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 706
 707         * nacl.cc: New file.
 708         * nacl.h: New file.
 709         * Makefile.am (CCFILES, HFILES): Add them.
 710         * Makefile.in: Regenerate.
 711         * i386.cc (Output_data_plt_i386_nacl): New class.
 712         (Output_data_plt_i386_nacl_exec): New class.
 713         (Output_data_plt_i386_nacl_dyn): New class.
 714         (Target_i386_nacl): New class.
 715         (Target_selector_i386_nacl): New class.
 716         (target_selector_i386): Use it instead of Target_selector_i386.
 717         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 718         (Target_x86_64_nacl): New class.
 719         (Target_selector_x86_64_nacl): New class.
 720         (target_selector_x86_64, target_selector_x32): Use it instead of
 721         Target_selector_x86_64.
 722         * arm.cc (Output_data_plt_arm_nacl): New class.
 723         (Target_arm_nacl): New class.
 724         (Target_selector_arm_nacl): New class.
 725         (target_selector_arm, target_selector_armbe): Use it instead of
 726         Target_selector_arm.
 727
 728         * target-select.cc (select_target): Take new Input_file* and off_t
 729         arguments, pass them on to recognize method of selector.
 730         * object.cc (make_elf_sized_object): Update caller.
 731         * parameters.cc (parameters_force_valid_target): Likewise.
 732         * incremental.cc (make_sized_incremental_binary): Likewise.
 733         * target-select.h: Update decl.
 734         (Target_selector::recognize): Take new Input_file* argument,
 735         pass it on to do_recognize.
 736         (Target_selector::do_recognize): Take new Input_file* argument.
 737         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 738         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 739         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 740         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 741
 742         * target.h (Target::Target_info): New members isolate_execinstr
 743         and rosegment_gap.
 744         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 745         * arm.cc (Target_arm::arm_info): Update initializer.
 746         * i386.cc (Target_i386::i386_info): Likewise.
 747         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 748         * sparc.cc (Target_sparc::sparc_info): Likewise.
 749         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 750         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 751         * layout.cc (Layout::attach_allocated_section_to_segment):
 752         Take new const Target* argument.  If target->isolate_execinstr(), act
 753         like --rosegment.
 754         (Layout::find_first_load_seg): Take new const Target* argument;
 755         if target->isolate_execinstr(), reject PF_X segments.
 756         (Layout::relaxation_loop_body): Update caller.
 757         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 758         reset file offset to zero when we hit LOAD_SEG, and then do a second
 759         loop over the segments before LOAD_SEG to reassign offsets after
 760         addresses have been determined.  Handle target->rosegment_gap().
 761         (Layout::attach_section_to_segment): Take new const Target* argument;
 762         pass it to attach_allocated_section_to_segment.
 763         (Layout::make_output_section): Update caller.
 764         (Layout::attach_sections_to_segments): Take new const Target* argument;
 765         pass it to attach_section_to_segment.
 766         * gold.cc (queue_middle_tasks): Update caller.
 767         * layout.h (Layout): Update method decls with new arguments.
 768
 769         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 770         Target_info pointer to use.
 771         (Target_arm::do_make_data_plt): New virtual method.
 772         (Target_arm::make_data_plt): New method that calls it.
 773         (Target_arm::make_plt_entry): Use it.
 774         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 775         for the section alignment.
 776         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 777         method.
 778         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 779         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 780         method.
 781         (Output_data_plt_arm::get_plt_entry_size): Call it.
 782         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 783         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 784         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 785         method.
 786         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 787         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 788         method instead of sizeof(plt_entry).
 789         (Output_data_plt_arm::add_entry): Likewise.
 790         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 791         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 792         than static method.
 793         (Target_arm::plt_entry_size): Likewise.
 794         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 795         Move to ...
 796         (Output_data_plt_arm_standard): ... here, new class.
 797         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 798         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 799         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 800
 801         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 802         Take additional argument for the PLT entry size.
 803         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 804         Use get_plt_entry_size method rather than plt_entry_size variable.
 805         (Output_data_plt_x86_64::reserve_slot): Likewise.
 806         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 807         (Output_data_plt_x86_64::add_entry): Likewise.
 808         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 809         (Output_data_plt_x86_64::address_for_global): Likewise.
 810         (Output_data_plt_x86_64::address_for_local): Likewise.
 811         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 812         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 813         Make method non-static.
 814         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 815         method.
 816         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 817         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 818         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 819         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 820         virtual method.
 821         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 822         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 823         virtual method.
 824         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 825         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 826         virtual method.
 827         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 828         (Output_data_plt_x86_64::plt_entry_size)
 829         (Output_data_plt_x86_64::first_plt_entry)
 830         (Output_data_plt_x86_64::plt_entry)
 831         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 832         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 833         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 834         (Output_data_plt_x86_64_standard): ... here, new class.
 835         (Target_x86_64::Target_x86_64): Take optional argument for the
 836         Target_info pointer to use.
 837         (Target_x86_64::do_make_data_plt): New virtual method.
 838         (Target_x86_64::make_data_plt): New method to call it.
 839         (Target_x86_64::init_got_plt_for_update): Use that.
 840         Call this->plt_->add_eh_frame method here.
 841         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 842         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 843         rather than static method.
 844         (Target_x86_64::plt_entry_size): Likewise.
 845         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 846         rather than plt_entry_size variable.  Move guts of PLT filling to...
 847         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 848         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 849         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 850
 851         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 852         additional argument for the section alignment.
 853         Don't do add_eh_frame_for_plt here.
 854         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 855         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 856         variable.
 857         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 858         method.
 859         (Output_data_plt_i386::get_plt_entry_size): Call it.
 860         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 861         (Output_data_plt_i386::add_eh_frame): New method to call it.
 862         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 863         method.
 864         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 865         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 866         method.
 867         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 868         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 869         method instead of plt_entry_size.
 870         (Output_data_plt_i386::plt_entry_size)
 871         (Output_data_plt_i386::plt_eh_frame_fde_size)
 872         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 873         (Output_data_plt_i386_standard): ... here, new class.
 874         (Output_data_plt_i386_exec): New class.
 875         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 876         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 877         (Output_data_plt_i386::exec_plt_entry): Move to ...
 878         (Output_data_plt_i386_exec::plt_entry): ... here.
 879         (Output_data_plt_i386_dyn): New class.
 880         (Output_data_plt_i386::first_plt_entry): Move to ...
 881         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 882         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 883         (Output_data_plt_i386_dyn::plt_entry): ... here.
 884         (Target_i386::Target_i386): Take optional argument for the Target_info
 885         pointer to use.
 886         (Target_i386::do_make_data_plt): New virtual method.
 887         (Target_i386::make_data_plt): New method to call it.
 888         (Target_i386::make_plt_section): Use that.
 889         Call this->plt_->add_eh_frame method here.
 890         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 891         rather than plt_entry_size variable.
 892         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 893         (Output_data_plt_i386::address_for_local): Likewise.
 894         (Output_data_plt_i386::do_write): Likewise.
 895         Move guts of PLT filling to...
 896         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 897         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 898         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 899         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 900
 901 2012-05-01  Cary Coutant  <ccoutant@google.com>
 902
 903         * dwarf_reader.cc (Dwarf_die::read_attributes)
 904         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 905         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 906         * reduced_debug_output.cc
 907         (Output_reduced_debug_info_section::get_die_end): Remove
 908         DW_FORM_GNU_ref_index.  Add default case.
 909
 910 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 911
 912         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 913         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 914         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 915         DW_AT_high_pc as offset from DW_AT_low_pc.
 916
 917         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 918         * testsuite/Makefile.in: Regenerate.
 919         * testsuite/gdb_index_test_3.c: New test source file.
 920         * testsuite/gdb_index_test_3.sh: New test source file.
 921
 922 2012-04-25  Ian Lance Taylor  <iant@google.com>
 923
 924         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 925         pointer.
 926         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 927         as a class, not a struct.
 928         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 929         (Target_arm::apply_cortex_a8_workaround): Likewise.
 930         * gc.h: Declare Reloc_types as a struct, not a class.
 931         * object.h: Declare Symbols_data as a struct.
 932         * reloc.h: Declare Read_relocs_data as a struct.
 933         * target.h: Declare Relocate_info as a struct.
 934
 935 2012-04-24  David S. Miller  <davem@davemloft.net>
 936
 937         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 938         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 939         and R_SPARC_WPLT30.
 940
 941 2012-04-24  Cary Coutant  <ccoutant@google.com>
 942
 943         * incremental-dump.cc (find_input_containing_global): Replace
 944         magic number with symbolic constant.
 945         (dump_incremental_inputs): Update version number.
 946         * incremental.cc (Output_section_incremental_inputs): Update version
 947         number; import symbolic constants from Incremental_inputs_reader.
 948         (Incremental_inputs::create_data_sections): Align relocations
 949         section correctly for 64-bit targets.
 950         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 951         constants; add padding.
 952         (Output_section_incremental_inputs::write_header): Add assert for
 953         header_size.
 954         (Output_section_incremental_inputs::write_input_files): Add assert
 955         for input_entry_size.
 956         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 957         add assert for object_info_size, input_section_entry_size,
 958         global_sym_entry_size.
 959         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 960         for data structure sizes; use them.
 961         (Incremental_input_entry_reader): Import symbolic constants from
 962         Incremental_inputs_reader; use them.
 963
 964 2012-04-23  David S. Miller  <davem@davemloft.net>
 965
 966         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 967         and elf_flags_set_.
 968         (Target_sparc::Target_sparc): Initialize new fields.
 969         (Target_sparc::do_make_elf_object): New function.
 970         (Target_sparc::do_adjust_elf_header): New function.
 971
 972 2012-04-23  Cary Coutant  <ccoutant@google.com>
 973
 974         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 975         CU range table of gdb index.
 976
 977 2012-04-20  David S. Miller  <davem@davemloft.net>
 978
 979         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 980         instead of false.
 981
 982 2012-04-16  David S. Miller  <davem@davemloft.net>
 983
 984         * sparc.cc (Target_sparc::got_address): New function.
 985         (Sparc_relocate_functions::gdop_hix22): New function.
 986         (Sparc_relocate_functions::gdop_lox10): New function.
 987         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 988         relocs.
 989         (Target_sparc::Scan::local): Likewise if the global symbol is not
 990         preemptible and is not IFUNC.
 991         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 992         transformations for local and non-preemptible non-IFUNC global
 993         symbols.
 994
 995         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 996         writing out 64-bit part of ranges.
 997
 998         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 999         -fpic and -fpie respectively.
1000         * Makefile.in: Regenerate.
1001
1002         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1003         (Target_sparc::Target_sparc): Initialize new field.
1004         (Target_sparc::do_plt_section_for_global): New function.
1005         (Target_sparc::do_plt_section_for_local): New function.
1006         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1007         (Target_sparc::make_plt_section): New function, broken out of
1008         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1009         (Target_sparc::make_plt_entry): Call make_plt_section.
1010         (Target_sparc::make_local_ifunc_plt_entry): New function.
1011         (Target_sparc::rela_ifunc_section): New function.
1012         (Target_sparc::plt_section): Remove const.
1013         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1014         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1015         and ifunc_count_ fields.
1016         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1017         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1018         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1019         (Output_data_plt_sparc::rela_ifunc): New function.
1020         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1021         (Output_data_plt_sparc::has_ifunc_section): New function.
1022         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1023         (Output_data_plt_sparc::address_for_global): New function.
1024         (Output_data_plt_sparc::address_for_local): New function.
1025         (Output_data_plt_sparc::plt_index_to_offset): New function.
1026         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1027         and entry_count.
1028         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1029         entry_count.
1030         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1031         R_SPARC_JMP_IREL to switch.
1032         (Target_sparc::Scan::check_non_pic): Likewise.
1033         (Target_sparc::Scan::local): Handle IFUNC symbols.
1034         (Target_sparc::Scan::local): Likewise.
1035         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1036         and plt_address_for_local.
1037         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1038         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1039
1040         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1041         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1042         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1043         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1044         global relocs too.
1045         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1046         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1047         calls.
1048         * sparc.cc (Target_sparc::Scan::global): Likewise.
1049         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1050
1051 2012-04-16  Cary Coutant  <ccoutant@google.com>
1052
1053         * archive.cc (Library_base::should_include_member): Check for
1054         --export-dynamic-symbol.
1055         * options.h (class General_options): Add --export-dynamic-symbol.
1056         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1057         --export-dynamic-symbol.
1058         (Symbol_table::gc_mark_undef_symbols): Likewise.
1059         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1060
1061 2012-04-12  David S. Miller  <davem@davemloft.net>
1062
1063         * sparc.cc (Reloc::wdisp10): New relocation method.
1064         (Reloc::h34): Likewise.
1065         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1066         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1067         R_SPARC_WDISP10.
1068         (Target_sparc::Scan::local): Likewise.
1069         (Target_sparc::Scan::global): Likewise.
1070         (Target_sparc::Relocate::relocate): Likewise.
1071
1072 2012-04-09  Cary Coutant  <ccoutant@google.com>
1073
1074         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1075         low_pc == 0.
1076
1077 2012-04-06  Ian Lance Taylor  <iant@google.com>
1078
1079         * timer.cc: #include <unistd.h>.
1080
1081 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1082
1083         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1084         * config.in: Regenerate.
1085         * configure: Regenerate.
1086
1087 2012-04-05  Nick Clifton  <nickc@redhat.com>
1088
1089         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1090         (AM_LC_MESSAGES): Add.
1091         * aclocal.m4: Regenerate.
1092         * config.in: Regenerate.
1093         * configure: Regenerate.
1094
1095 2012-03-21  Cary Coutant  <ccoutant@google.com>
1096
1097         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1098         * Makefile.in: Regenerate.
1099         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1100         (Sized_elf_reloc_mapper::symbol_section): New function.
1101         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1102         (make_elf_reloc_mapper): New function.
1103         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1104         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1105         (Dwarf_abbrev_table::do_get_abbrev): New function.
1106         (Dwarf_ranges_table::read_ranges_table): New function.
1107         (Dwarf_ranges_table::read_range_list): New function.
1108         (Dwarf_pubnames_table::read_section): New function.
1109         (Dwarf_pubnames_table::read_header): New function.
1110         (Dwarf_pubnames_table::next_name): New function.
1111         (Dwarf_die::Dwarf_die): New function.
1112         (Dwarf_die::read_attributes): New function.
1113         (Dwarf_die::skip_attributes): New function.
1114         (Dwarf_die::set_name): New function.
1115         (Dwarf_die::set_linkage_name): New function.
1116         (Dwarf_die::attribute): New function.
1117         (Dwarf_die::string_attribute): New function.
1118         (Dwarf_die::int_attribute): New function.
1119         (Dwarf_die::uint_attribute): New function.
1120         (Dwarf_die::ref_attribute): New function.
1121         (Dwarf_die::child_offset): New function.
1122         (Dwarf_die::sibling_offset): New function.
1123         (Dwarf_info_reader::check_buffer): New function.
1124         (Dwarf_info_reader::parse): New function.
1125         (Dwarf_info_reader::do_parse): New function.
1126         (Dwarf_info_reader::do_read_string_table): New function.
1127         (Dwarf_info_reader::lookup_reloc): New function.
1128         (Dwarf_info_reader::get_string): New function.
1129         (Dwarf_info_reader::visit_compilation_unit): New function.
1130         (Dwarf_info_reader::visit_type_unit): New function.
1131         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1132         Sized_elf_reloc_mapper.
1133         (Sized_dwarf_line_info::symbol_section): Remove function.
1134         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1135         (Sized_dwarf_line_info::read_line_mappings): Remove object
1136         parameter, adjust callers.
1137         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1138         * dwarf_reader.h: Include <sys/types.h>.
1139         (class Track_relocs): Remove forward declaration.
1140         (class Elf_reloc_mapper): New class.
1141         (class Sized_elf_reloc_mapper): New class.
1142         (class Dwarf_abbrev_table): New class.
1143         (class Dwarf_range_list): New class.
1144         (class Dwarf_ranges_table): New class.
1145         (class Dwarf_pubnames_table): New class.
1146         (class Dwarf_die): New class.
1147         (class Dwarf_info_reader): New class.
1148         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1149         (Sized_dwarf_line_info::symbol_section): Remove member function.
1150         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1151         base class.
1152         * gdb-index.cc: New source file.
1153         * gdb-index.h: New source file.
1154         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1155         and .debug_types sections, call Layout::add_to_gdb_index.
1156         (Sized_relobj_incr::do_section_name): Implement.
1157         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1158         return type; Implement.
1159         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1160         return type.
1161         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1162         parameter list and return type.
1163         (Sized_incr_dynobj::do_section_contents): Likewise.
1164         * layout.cc: Include gdb-index.h.
1165         (Layout::Layout): Initialize gdb_index_data_.
1166         (Layout::init_fixed_output_section): Check for .gdb_index section.
1167         (Layout::add_to_gdb_index): New function. Instantiate.
1168         * layout.h: Add forward declaration for class Gdb_index.
1169         (Layout::add_to_gdb_index): New member function.
1170         (Layout::gdb_index_data_): New data member.
1171         * main.cc: Include gdb-index.h.
1172         (main): Print statistics for gdb index.
1173         * object.cc (Object::section_contents): Move code into
1174         do_section_contents.
1175         (need_decompressed_section): Check for sections needed when building
1176         gdb index.
1177         (build_compressed_section_map): Likewise.
1178         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1179         gdb index.
1180         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1181         sections; call Layout::add_to_gdb_index.
1182         (Sized_relobj_file::do_decompressed_section_contents): Call
1183         do_section_contents directly.
1184         * object.h (Object::do_section_contents): Adjust parameter list and
1185         return type.
1186         (Object::do_decompressed_section_contents): Call do_section_contents
1187         directly.
1188         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1189         return type.
1190         * options.h (class General_options): Add --gdb-index option.
1191         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1192         list and return type.
1193         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1194         * reloc.h (Track_relocs::checkpoint): New function.
1195         (Track_relocs::reset): New function.
1196
1197         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1198         New test cases.
1199         * testsuite/Makefile.in: Regenerate.
1200         * testsuite/gdb_index_test.cc: New test source file.
1201         * testsuite/gdb_index_test_1.sh: New test source file.
1202         * testsuite/gdb_index_test_2.sh: New test source file.
1203
1204 2012-03-19  Doug Kwan  <dougkwan@google.com>
1205
1206         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1207         (Target_arm::do_finalize_sections): Remove code which defines
1208         __exidx_start and __exidx_end.  Make symbol table parameter
1209         anonymous as it is not used.
1210         * gold.cc (queue_middle_tasks): Call target hook to define any
1211         target-specific symbols.
1212         * target.h (Target::define_standard_symbols): New method.
1213         (Target::do_define_standard_symbols): Same.
1214         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1215         * testsuite/Makefile.in: Regenerate.
1216         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1217         and __exidx_end.
1218         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1219         relocations are generated for __exidx_start and __exidx_end.
1220
1221 2012-03-16  Doug Kwan  <dougkwan@google.com>
1222
1223         * testsuite/Makefile.am: Disable test initpri3b.
1224         * testsuite/Makefile.in: Regenerate.
1225
1226 2012-03-15  Doug Kwan  <dougkwan@google.com>
1227
1228         * arm.cc (Target_arm::got_section): Make .got section read-only
1229         if -z now is given.
1230
1231 2012-03-15  Ian Lance Taylor  <iant@google.com>
1232
1233         PR gold/13850
1234         * layout.cc (Layout::make_output_section): Correctly mark
1235         SHT_INIT_ARRAY, et. al., as relro.
1236
1237 2012-03-14  Doug Kwan  <dougkwan@google.com>
1238
1239         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1240         dynamic relocations for protected symbols in shared objects.
1241
1242 2012-03-13  Ian Lance Taylor  <iant@google.com>
1243
1244         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1245         keep the larger alignment.
1246
1247 2012-03-12  Cary Coutant  <ccoutant@google.com>
1248
1249         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1250         handling of DW_LNE_define_file.
1251
1252 2012-03-12  Cary Coutant  <ccoutant@google.com>
1253
1254         * reduced_debug_output.cc
1255         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1256         codes to switch.
1257
1258 2012-02-29  Cary Coutant  <ccoutant@google.com>
1259
1260         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1261
1262 2012-02-29  Cary Coutant  <ccoutant@google.com>
1263
1264         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1265         Call Object::decompressed_section_contents.
1266         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1267         New dtor.
1268         (Sized_dwarf_line_info::buffer_start_): New data member.
1269         * merge.cc (Output_merge_data::do_add_input_section): Call
1270         Object::decompressed_section_contents.
1271         (Output_merge_string::do_add_input_section): Likewise.
1272         * object.cc (need_decompressed_section): New function.
1273         (build_compressed_section_map): Decompress sections needed later.
1274         (Sized_relobj_file::do_decompressed_section_contents): New function.
1275         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1276         * object.h (Object::decompressed_section_contents): New function.
1277         (Object::discard_decompressed_sections): New function.
1278         (Object::do_decompressed_section_contents): New function.
1279         (Object::do_discard_decompressed_sections): New function.
1280         (Compressed_section_info): New type.
1281         (Compressed_section_map): Include decompressed section contents.
1282         (Sized_relobj_file::do_decompressed_section_contents): New function.
1283         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1284
1285 2012-02-16  Cary Coutant  <ccoutant@google.com>
1286
1287         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1288         * testsuite/Makefile.in: Regenerate.
1289
1290 2012-02-14  Cary Coutant  <ccoutant@google.com>
1291
1292         * options.cc (General_options::finalize): Disallow -pie and -static.
1293
1294 2012-02-03  Doug Kwan  <dougkwan@google.com>
1295
1296         * arm.cc (Arm_relocate_functions::abs8,
1297         Arm_relocate_functions::abs16): Use
1298         Bits::has_signed_unsigned_overflow32.
1299         (Arm_relocate_functions::thm_abs8): Correct range of
1300         overflow check.
1301         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1302         in assertions.
1303
1304 2012-02-02  Doug Kwan  <dougkwan@google.com>
1305
1306         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1307         position independent outputs, not just shared objects.
1308
1309 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1310
1311         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1312         * configure: Regenerated.
1313
1314 2012-01-27  Ian Lance Taylor  <iant@google.com>
1315
1316         * reloc.h (Bits): New class with static functions, copied from
1317         namespace utils in arm.cc.
1318         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1319         instead.
1320
1321 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1322
1323         * incremental.cc (write_info_blocks): Correct relocation offset.
1324
1325 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1326
1327         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1328         (Relocate::tls_gd_to_le): Likewise.
1329
1330 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1331
1332         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1333
1334 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1335
1336         * configure.ac: Check if -mcmodel=medium works.
1337         * configure: Regenerated.
1338
1339 2012-01-24  Cary Coutant  <ccoutant@google.com>
1340
1341         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1342         definition and ...
1343         (read_unsigned_LEB_128_x): ... this new function.
1344         (read_signed_LEB_128): Replaced with inline definition and ...
1345         (read_signed_LEB_128_x): ... this new function.
1346         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1347         (read_unsigned_LEB_128): Add inline definition.
1348         (read_signed_LEB_128_x): New function.
1349         (read_signed_LEB_128): Add inline definition.
1350         * testsuite/Makefile.am (leb128_unittest): New unit test.
1351         * testsuite/Makefile.in: Regenerate.
1352         * testsuite/leb128_unittest.cc: New unit test.
1353
1354 2012-01-23  Ian Lance Taylor  <iant@google.com>
1355
1356         PR gold/13617
1357         * i386.cc (Target_i386::do_code_fill): When using a jmp
1358         instruction, pad with nop instructions.
1359         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1360
1361 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1362
1363         * x86_64.cc (gc_process_relocs): Add typename on types used in
1364         template.
1365         (scan_relocs): Likewise.
1366         (relocate_section): Likewise.
1367         (apply_relocation): Likewise.
1368
1369 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1370
1371         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1372         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1373         under x32.
1374
1375 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1376
1377         * x86_64.cc: Initial support for x32.
1378
1379 2012-01-03  Cary Coutant  <ccoutant@google.com>
1380
1381         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1382         Use abstract base class for GOT.
1383         * gold/output.h (class Output_data_got_base): New abstract base class.
1384         (class Output_data_got): Derive from new base class, adjust ctors.
1385         (Output_data_got::reserve_slot): Make virtual; rename to
1386         do_reserve_slot; Adjust callers.
1387         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1388         pointer to abstract base class.
1389         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1390
1391 2011-12-18  Ian Lance Taylor  <iant@google.com>
1392
1393         * object.h (Relobj::local_symbol_value): New function.
1394         (Relobj::local_plt_offset): New function.
1395         (Relobj::local_has_got_offset): New function.
1396         (Relobj::local_got_offset): New function.
1397         (Relobj::set_local_got_offset): New function.
1398         (Relobj::do_local_symbol_value): New pure virtual function.
1399         (Relobj::do_local_plt_offset): Likewise.
1400         (Relobj::do_local_has_got_offset): Likewise.
1401         (Relobj::do_local_got_offset): Likewise.
1402         (Relobj::do_set_local_got_offset): Likewise.
1403         (Sized_relobj::do_local_has_got_offset): Rename from
1404         local_has_got_offset.
1405         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1406         (Sized_relobj::do_set_local_got_offset): Rename from
1407         set_local_got_offset.
1408         (Sized_relobj_file::do_local_plt_offset): Rename from
1409         local_plt_offset.
1410         (Sized_relobj_file::do_local_symbol_value): New function.
1411         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1412         local_plt_offset.
1413         * output.cc (Output_data_got::Got_entry::write): Change object to
1414         Relobj.  Use local_symbol_value.
1415         (Output_data_got::add_global_with_rel): Change rel_dyn to
1416         Output_data_reloc_generic*.  Use add_global_generic.
1417         (Output_data_got::add_global_with_rela): Remove.  Change all
1418         callers to use add_global_with_rel.
1419         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1420         Output_data_reloc_generic*.  Use add_global_generic.
1421         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1422         callers to use add_global_pair_with_rel.
1423         (Output_data_got::add_local): Change object to Relobj*.
1424         (Output_data_got::add_local_plt): Likewise.
1425         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1426         change rel_dyn to Output_data_reloc_generic*.  Use
1427         add_local_generic.
1428         (Output_data_got::add_local_with_rela): Remove.  Change all
1429         callers to use all_local_with_rel.
1430         (Output_data_got::add_local_pair_with_rel): Change object to
1431         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1432         add_output_section_generic.
1433         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1434         callers to use add_local_pair_with_rel.
1435         (Output_data_got::reserve_local): Change object to Relobj*.
1436         * output.h: (class Output_data_reloc_generic): Add pure virtual
1437         declarations for add_global_generic, add_local_generic,
1438         add_output_section_generic.
1439         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1440         functions for Output_data_reloc_generic.  Update declarations for
1441         changes listed in output.cc.
1442         (class Output_data_got): Change template parameter to got_size.
1443         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1444         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1445         function.
1446         (Sized_relobj_incr::do_local_plt_offset): New function.
1447         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1448         add_global_generic.
1449
1450 2011-12-17  Cary Coutant  <ccoutant@google.com>
1451
1452         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1453         * resolve.cc (Symbol_table::resolve): Likewise.
1454         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1455         arrays.
1456         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1457
1458 2011-12-16  Ian Lance Taylor  <iant@google.com>
1459
1460         * output.h (Output_data_reloc_generic::add): Only call
1461         add_dynamic_reloc if this is a dynamic reloc section.
1462
1463 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1464
1465         PR gold/13505
1466         * target-reloc.h (apply_relocation): Replace <64, false> with
1467         <size, big_endian>.
1468
1469 2011-11-25  Nick Clifton  <nickc@redhat.com>
1470
1471         * po/it.po: New Italian translation.
1472
1473 2011-11-17  Sterling Augustine  <saugustine@google.com>
1474
1475         * script.cc (script_include_directive): Implement.
1476         (read_script_file): New local variables name and search_path. Update
1477         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1478         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1479         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1480
1481 2011-11-11  Sterling Augustine  <saugustine@google.com>
1482
1483         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1484         (file_or_sections_cmd): Likewise.
1485
1486 2011-11-11  Doug Kwan  <dougkwan@google.com>
1487
1488         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1489         if --just-symbols is given.
1490
1491 2011-11-10  Doug Kwan  <dougkwan@google.com>
1492
1493         PR gold/13362
1494         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1495         when processing data relocs.
1496         * reloc.h (Relocate_functions::rel_unaligned): New method.
1497         (Relocate_functions::pcrel_unaligned): Ditto.
1498         (Relocate_functions::rel32_unaligned): Ditto.
1499         (Relocate_functions::pcrel32_unaligned): Ditto.
1500
1501 2011-11-09  Doug Kwan  <dougkwan@google.com>
1502
1503         PR gold/13362
1504         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1505         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1506         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1507         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1508         (Relocate_functions::rel_unaligned): New.
1509         (Relocate_functions::rel32_unaligned): New.
1510         * target-reloc.h (relocate_for_relocatable): Add code to handle
1511         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1512         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1513         arm_unaligned_reloc_r): New targets.
1514         * testsuite/Makefile.in: Regenerate.
1515         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1516         linking.
1517
1518 2011-11-02  Ian Lance Taylor  <iant@google.com>
1519
1520         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1521         NATIVE_LINKER.
1522         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1523         * options.cc (General_options::finalize): Use library search path
1524         from configure script if specified.  If not native and no sysroot,
1525         only search TOOLLIBDIR.
1526         * options.h (Search_directory::Search_directory): Change name to
1527         const std::string&.
1528         (General_options::add_to_library_path_with_sysroot): Change arg to
1529         const std::string&.
1530         * configure, Makefile.in, config.in: Rebuild.
1531
1532 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1533
1534         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1535         we are working around the ARM1176 Erratum.
1536         * options.h (General_options::fix_arm1176): Add option.
1537         * testsuite/Makefile.am: Add testcases, and keep current ones
1538         working.
1539         * testsuite/Makefile.in: Regenerate.
1540         * testsuite/arm_fix_1176.s: New file.
1541         * testsuite/arm_fix_1176.sh: Likewise.
1542
1543 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1544
1545         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1546         may_use_blx_.
1547         (Target_arm::may_use_blx): Remove method.
1548         (Target_arm::set_may_use_blx): Likewise.
1549         (Target_arm::may_use_v4t_interworking): New method.
1550         (Target_arm::may_use_v5t_interworking): Likewise.
1551         (Target_arm::may_use_blx_): Remove member variable.
1552         (Arm_relocate_functions::arm_branch_common): Check for v5T
1553         interworking.
1554         (Arm_relocate_functions::thumb_branch_common): Likewise.
1555         (Reloc_stub::stub_type_for_reloc): Likewise.
1556         (Target_arm::do_finalize_sections): Correct interworking checks.
1557         * testsuite/Makefile.am: Add new tests.
1558         * testsuite/Makefile.in: Regenerate.
1559         * testsuite/arm_farcall_arm_arm.s: New test.
1560         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1561         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1562         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1563         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1564         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1565         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1566         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1567
1568 2011-10-31  Cary Coutant  <ccoutant@google.com>
1569
1570         PR gold/13023
1571         * expression.cc (Expression::eval_with_dot): Add
1572         is_section_dot_assignment parameter.
1573         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1574         absolute and assigning to dot within a section.
1575         * script-sections.cc
1576         (Output_section_element_assignment::set_section_addresses): Pass
1577         dot_section to set_if_absolute.
1578         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1579         as is_section_dot_assignment flag to eval_with_dot.
1580         (Output_section_element_dot_assignment::set_section_addresses):
1581         Likewise.
1582         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1583         parameter.  Also set value if relative to dot_section; set the
1584         symbol's output_section.
1585         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1586         parameter.  Adjust all callers.
1587         (Expression::eval_maybe_dot): Likewise.
1588         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1589         Adjust all callers.
1590         * testsuite/script_test_2.t: Test assignment of an absolute value
1591         to dot within an output section element.
1592
1593 2011-10-31  Cary Coutant  <ccoutant@google.com>
1594
1595         * options.h (class General_options): Add --[no-]gnu-unique options.
1596         * symtab.cc (Symbol_table::sized_write_globals): Convert
1597         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1598
1599 2011-10-31  Cary Coutant  <ccoutant@google.com>
1600
1601         PR gold/13359
1602         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1603         unnecessary assertion.
1604         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1605
1606 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1607
1608         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1609         gc_mark_symbol.
1610         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1611         gc_mark_symbol.
1612         Change to just keep the section associated with symbol.
1613         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1614         they are externally visible and --export-dynamic is turned on.
1615         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1616
1617 2011-10-19  Ian Lance Taylor  <iant@google.com>
1618
1619         PR gold/13163
1620         * script-sections.cc
1621         (Output_section_element_dot_assignment::needs_output_section): New
1622         function.
1623
1624 2011-10-19  Ian Lance Taylor  <iant@google.com>
1625
1626         PR gold/13204
1627         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1628         --section-start option was seen.
1629         * options.h (General_options::any_section_start): New function.
1630
1631 2011-10-18  David S. Miller  <davem@davemloft.net>
1632
1633         PR binutils/13301
1634         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1635         member to track relocation locations that have moved during TLS
1636         reloc optimizations.
1637         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1638         (Target_sparc::Relocate::relocate): Adjust view down by 4
1639         bytes if it matches reloc_adjust_addr_.
1640         (Target_sparc::Relocate::relocate_tls): Always move the
1641         __tls_get_addr call delay slot instruction forward 4 bytes when
1642         performing relaxation.
1643
1644 2011-10-18  Cary Coutant  <ccoutant@google.com>
1645
1646         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1647         (Output_file::map_no_anonymous): Check for non-zero
1648         return code from posix_fallocate.
1649
1650 2011-10-17  Cary Coutant  <ccoutant@google.com>
1651
1652         PR gold/13245
1653         * plugin.cc (is_visible_from_outside): Check for symbols
1654         referenced from dynamic objects.
1655         * resolve.cc (Symbol_table::resolve): Don't count references
1656         from dynamic objects as references from real ELF files.
1657         * testsuite/plugin_test_2.sh: Adjust expected result.
1658
1659 2011-10-17  Cary Coutant  <ccoutant@google.com>
1660
1661         * gold.cc: Include timer.h.
1662         (queue_middle_tasks): Stamp time.
1663         (queue_final_tasks): Likewise.
1664         * main.cc (main): Store timer in parameters.  Print timers
1665         for each pass.
1666         * parameters.cc (Parameters::Parameters): Initialize timer_.
1667         (Parameters::set_timer): New function.
1668         (set_parameters_timer): New function.
1669         * parameters.h (Parameters::set_timer): New function.
1670         (Parameters::timer): New function.
1671         (Parameters::timer_): New data member.
1672         (set_parameters_timer): New function.
1673         * timer.cc (Timer::stamp): New function.
1674         (Timer::get_pass_time): New function.
1675         * timer.h (Timer::stamp): New function.
1676         (Timer::get_pass_time): New function.
1677         (Timer::pass_times_): New data member.
1678
1679 2011-10-17  Cary Coutant  <ccoutant@google.com>
1680
1681         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1682         task for members of lib groups.
1683
1684 2011-10-17  Cary Coutant  <ccoutant@google.com>
1685
1686         PR gold/13288
1687         * fileread.cc (File_read::find_view): Add assert.
1688         (File_read::make_view): Move bounds check (replace with assert)...
1689         (File_read::find_or_make_view): ... to here.
1690
1691 2011-10-12  Cary Coutant  <ccoutant@google.com>
1692
1693         * output.cc (Output_file::open_base_file): Handle case where
1694         ::read returns less than requested size.
1695
1696 2011-10-10  Cary Coutant  <ccoutant@google.com>
1697
1698         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1699         Initialize defined_count_.
1700         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1701         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1702         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1703         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1704         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1705         * incremental.h (Sized_relobj_incr::defined_count_): New data
1706         member.
1707         (Sized_incr_dynobj::defined_count_): New data member.
1708         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1709         Return zeroes instead of internal error.
1710
1711 2011-10-10  Cary Coutant  <ccoutant@google.com>
1712
1713         PR gold/13249
1714         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1715         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1716         * output.h (class Output_reloc): Add use_plt_offset flag.
1717         (Output_reloc::type_): Adjust size of bit field.
1718         (Output_reloc::use_plt_offset_): New bit field.
1719         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1720         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1721         flag.  Adjust all callers.
1722         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1723         creating RELATIVE relocations.
1724
1725 2011-10-10  Nick Clifton  <nickc@redhat.com>
1726
1727         * po/es.po: Updated Spanish translation.
1728         * po/fi.po: Updated Finnish translation.
1729
1730 2011-10-03   Diego Novillo  <dnovillo@google.com>
1731
1732         * options.cc (parse_uint): Fix dereference of RETVAL.
1733
1734 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1735
1736         * layout.h (section_order_map_): New member.
1737         (get_section_order_map): New member function.
1738         * output.cc (Output_section::add_input_section): Check for patterns
1739         only when --section-ordering-file is specified.
1740         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1741         output_sections have been formed.
1742         * layout.cc (Layout_Layout): Initialize section_order_map_.
1743         * plugin.cc (update_section_order): Store order in order_map. Do not
1744         update the order.
1745         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1746         * testsuite/Makefile.in: Regenerate.
1747         * testsuite/plugin_section_order.c: New file.
1748         * testsuite/plugin_final_layout.cc: New file.
1749         * testsuite/plugin_final_layout.sh: New file.
1750
1751 2011-09-29  Cary Coutant  <ccoutant@google.com>
1752
1753         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1754         Check for NULL.
1755         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1756         symbols during incremental update.
1757         (Symbol_table::add_from_dynobj): Likewise.
1758
1759 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1760             Ian Lance Taylor  <iant@google.com>
1761
1762         * symtab.cc (Symbol_table::define_special_symbol): Always
1763         canonicalize version string.
1764
1765 2011-09-26  Cary Coutant  <ccoutant@google.com>
1766
1767         * gold.cc (queue_initial_tasks): Move option checks ...
1768         * options.cc (General_options::finalize): ... to here. Disable
1769         some options; make others fatal.
1770
1771 2011-09-26  Cary Coutant  <ccoutant@google.com>
1772
1773         gcc PR lto/47247
1774         * plugin.cc (get_symbols_v2): New function.
1775         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1776         (is_referenced_from_outside): New function.
1777         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1778         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1779         (get_symbols): Pass version parameter.
1780         (get_symbols_v2): New function.
1781         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1782         parameter.
1783         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1784         (onload): Add LDPT_GET_SYMBOLS_V2.
1785         (all_symbols_read_hook): Use get_symbols_v2; check for
1786         LDPR_PREVAILING_DEF_IRONLY_EXP.
1787         * testsuite/plugin_test_3.sh: Update expected results.
1788
1789 2011-09-23  Simon Baldwin  <simonb@google.com>
1790
1791         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1792         configuration options.
1793         * configure: Regenerate.
1794         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1795         * Makefile.in: Regenerate.
1796         * testsuite/Makefile.in: Regenerate.
1797
1798 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1799
1800         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1801
1802 2011-09-19  Cary Coutant  <ccoutant@google.com>
1803
1804         * incremental.cc (can_incremental_update): Fix typo in comment.
1805         * incremental.h (can_incremental_update): Likewise.
1806
1807 2011-09-18  Cary Coutant  <ccoutant@google.com>
1808
1809         * incremental.cc (can_incremental_update): New function.
1810         * incremental.h (can_incremental_update): New function.
1811         * layout.cc (Layout::init_fixed_output_section): Call it.
1812         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1813         * object.cc (Sized_relobj_file::do_layout): Call
1814         can_incremental_update.
1815
1816 2011-09-13  Cary Coutant  <ccoutant@google.com>
1817
1818         * configure.ac: Check for glibc support for gnu_indirect_function
1819         support with static linking, setting automake conditional
1820         IFUNC_STATIC.
1821         * Makefile.in: Regenerate.
1822         * configure: Regenerate.
1823
1824         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1825         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1826         for IFUNC_STATIC.
1827         * testsuite/Makefile.in: Regenerate.
1828
1829 2011-09-13  Cary Coutant  <ccoutant@google.com>
1830
1831         * incremental.cc (Sized_relobj_incr::do_layout): Call
1832         report_comdat_group for kept comdat sections.
1833         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1834         * testsuite/Makefile.in: Regenerate.
1835         * testsuite/incr_comdat_test_1.cc: New source file.
1836         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1837         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1838         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1839
1840 2011-09-13  Ian Lance Taylor  <iant@google.com>
1841
1842         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1843         variable external_symbols_offset.
1844
1845 2011-09-12  Ian Lance Taylor  <iant@google.com>
1846
1847         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1848         triggered if object has no symbols.
1849
1850 2011-09-09  David S. Miller  <davem@davemloft.net>
1851
1852         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1853         (Output_fill_debug_line::do_write): Likewise.
1854
1855 2011-08-29  Cary Coutant  <ccoutant@google.com>
1856
1857         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1858         casts to match formatting specs.
1859         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1860
1861 2011-08-26  Cary Coutant  <ccoutant@google.com>
1862
1863         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1864         remaining hole size when allocating.
1865         (Layout::make_output_section): Set fill methods for debug sections.
1866         * layout.h (Free_list::Free_list_node): Move from private to
1867         public.
1868         (Free_list::set_min_hole_size): New function.
1869         (Free_list::begin, Free_list::end): New functions.
1870         (Free_list::min_hole_): New data member.
1871         * output.cc: Include dwarf.h.
1872         (Output_fill_debug_info::do_minimum_hole_size): New function.
1873         (Output_fill_debug_info::do_write): New function.
1874         (Output_fill_debug_line::do_minimum_hole_size): New function.
1875         (Output_fill_debug_line::do_write): New function.
1876         (Output_section::Output_section): Initialize new data member.
1877         (Output_section::set_final_data_size): Ensure patch space is larger
1878         than minimum hole size.
1879         (Output_section::do_write): Fill holes in debug sections.
1880         * output.h (Output_fill): New class.
1881         (Output_fill_debug_info): New class.
1882         (Output_fill_debug_line): New class.
1883         (Output_section::set_free_space_fill): New function.
1884         (Output_section::free_space_fill_): New data member.
1885         * testsuite/Makefile.am (incremental_test_3): Add
1886         --incremental-patch option.
1887         (incremental_test_4): Likewise.
1888         (incremental_test_5): Likewise.
1889         (incremental_test_6): Likewise.
1890         (incremental_copy_test): Likewise.
1891         (incremental_common_test_1): Likewise.
1892         * testsuite/Makefile.in: Regenerate.
1893
1894 2011-08-26  Nick Clifton  <nickc@redhat.com>
1895
1896         * po/es.po: Updated Spanish translation.
1897
1898 2011-08-01  Cary Coutant  <ccoutant@google.com>
1899
1900         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1901         * gold/testsuite/Makefile.in: Regenerate.
1902         * gold/testsuite/justsyms_exec.c: New source file.
1903         * gold/testsuite/justsyms_lib.c: New source file.
1904
1905 2011-08-01  Cary Coutant  <ccoutant@google.com>
1906
1907         * layout.cc (Layout::set_segment_offsets): Don't realign text
1908         segment if -Ttext was specified.
1909         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1910         file type.
1911         * object.h (Sized_relobj_file::e_type): New function.
1912         (Sized_relobj_file::e_type_): New data member.
1913         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1914         base address for ET_EXEC files.
1915         * target.cc (Target::do_make_elf_object_implementation): Allow
1916         ET_EXEC files with --just-symbols option.
1917
1918 2011-07-28  Cary Coutant  <ccoutant@google.com>
1919
1920         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1921         Add thread_number parameter.
1922         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1923         * workqueue-threads.cc
1924         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1925         current thread if its thread number is greater than desired thread
1926         count.
1927         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1928         Add thread_number parameter.
1929         (Workqueue::should_cancel_thread): Likewise.
1930         (Workqueue::find_runnable_or_wait): Pass thread_number to
1931         should_cancel_thread.
1932         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1933         parameter.
1934
1935 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1936
1937         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1938         only after checking if it cannot be forced local.
1939         * symtab.h (is_externally_visible): Check if the symbol is not forced
1940         local.
1941
1942 2011-07-15  Ian Lance Taylor  <iant@google.com>
1943
1944         * options.h (class General_options): Add --print-output-format.
1945         Move -EL next to -EB, for  better --help output.
1946         * target-select.cc: Include <cstdio>, "options.h", and
1947         "parameters.h".
1948         (Target_selector::do_target_bfd_name): New function.
1949         (print_output_format): New function.
1950         * target-select.h (class Target_selector): Update declarations.
1951         (Target_selector::target_bfd_name): New function.
1952         (print_output_format): Declare.
1953         * main.cc: Include "target-select.h".
1954         (main): Handle --print-output-format.
1955         * gold.cc: Include "target-select.h".
1956         (queue_initial_tasks): Handle --print-output-format when there are
1957         no input files.
1958         * parameters.cc (parameters_force_valid_target): Give a better
1959         error message if -EB/-EL does not match target.
1960         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1961         function.
1962
1963 2011-07-15  Ian Lance Taylor  <iant@google.com>
1964
1965         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1966         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1967         (Output_data_plt_i386::do_write): Write address of .dynamic
1968         section to first entry in .got.plt section.
1969         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1970         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1971         Initialize layout_.
1972         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1973         section to first entry in .got.plt section.
1974         * layout.h (Layout::dynamic_section): New function.
1975
1976 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1977
1978         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1979         to claim_file call.
1980         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1981         input_section_position_, and input_section_glob_.
1982         (read_layout_from_file): Call function section_ordering_specified.
1983         * layout.h (is_section_ordering_specified): New function.
1984         (section_ordering_specified): New function.
1985         (section_ordering_specified_): New boolean member.
1986         * main.cc(main): Call load_plugins after layout object is defined.
1987         * output.cc (Output_section::add_input_section): Use
1988         function section_ordering_specified to check if section ordering is
1989         needed.
1990         * output.cc (Output_section::add_relaxed_input_section): Use
1991         function section_ordering_specified to check if section ordering is
1992         needed.
1993         (Output_section::update_section_layout): New function.
1994         (Output_section::sort_attached_input_sections): Check if input section
1995         must be reordered.
1996         * output.h (Output_section::update_section_layout): New function.
1997         * plugin.cc (get_section_count): New function.
1998         (get_section_type): New function.
1999         (get_section_name): New function.
2000         (get_section_contents): New function.
2001         (update_section_order): New function.
2002         (allow_section_ordering): New function.
2003         (Plugin::load): Add the new interfaces to the transfer vector.
2004         (Plugin_manager::load_plugins): New parameter.
2005         (Plugin_manager::all_symbols_read): New parameter.
2006         (Plugin_manager::claim_file): New parameter. Save the elf object for
2007         unclaimed objects.
2008         (Plugin_manager::get_elf_object): New function.
2009         (Plugin_manager::get_view): Change to directly use the bool to check
2010         if get_view is called from claim_file_hook.
2011         * plugin.h (input_objects): New function
2012         (Plugin__manager::load_plugins): New parameter.
2013         (Plugin_manager::claim_file): New parameter.
2014         (Plugin_manager::get_elf_object): New function.
2015         (Plugin_manager::in_claim_file_handler): New function.
2016         (Plugin_manager::in_claim_file_handler_): New member.
2017         (layout): New function.
2018         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2019         handler with an extra parameter. Make the elf object before calling
2020         claim_file handler.
2021         * testsuite/plugin_test.c (get_section_count): New function pointer.
2022         (get_section_type): New function pointer.
2023         (get_section_name): New function pointer.
2024         (get_section_contents): New function pointer.
2025         (update_section_order): New function pointer.
2026         (allow_section_ordering): New function pointer.
2027         (onload): Check if the new interfaces exist.
2028
2029 2011-07-13  Ian Lance Taylor  <iant@google.com>
2030
2031         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2032         relro section.
2033         * x86_64.cc (Target_x86_64::got_section): Likewise.
2034         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2035         (relro_now_test_SOURCES): New variable.
2036         (relro_now_test_DEPENDENCIES): New variable.
2037         (relro_now_test_LDFLAGS): New variable.
2038         (relro_now_test_LDADD): New variable.
2039         (relro_now_test.so): New target.
2040         * testsuite/Makefile.in: Rebuild.
2041
2042 2011-07-12  Ian Lance Taylor  <iant@google.com>
2043
2044         PR gold/12980
2045         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2046         GLOB_DAT relocation rather than a RELATIVE relocation for a
2047         protected symbol when creating a shared library.
2048         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2049         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2050         * testsuite/protected_main_1.cc (main): Test that protected
2051         function has same address.
2052
2053 2011-07-11  Ian Lance Taylor  <iant@google.com>
2054
2055         PR gold/12979
2056         * options.h (class General_options): Add -Bgroup.
2057         * options.cc (General_options::finalize): If -Bgroup is set,
2058         default to --unresolved-symbols=report-all.
2059         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2060         * target-reloc.h (issue_undefined_symbol_error): Handle
2061         --unresolved-symbols=report-all.
2062
2063 2011-07-08  Ian Lance Taylor  <iant@google.com>
2064
2065         PR gold/11985
2066         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2067         if linker script discards key sections.
2068         (Layout::create_dynamic_symtab): Likewise.
2069         (Layout::assign_local_dynsym_offsets): Likewise.
2070         (Layout::sized_create_version_sections): Likewise.
2071         (Layout::create_interp): Likewise.
2072         (Layout::finish_dynamic_section): Likewise.
2073         (Layout::set_dynamic_symbol_size): Likewise.
2074
2075 2011-07-08  Ian Lance Taylor  <iant@google.com>
2076
2077         PR gold/12386
2078         * options.h (class General_options): Add --unresolved-symbols.
2079         * target-reloc.h (issue_undefined_symbol_error): Check
2080         --unresolved-symbols.  Add comments.
2081
2082 2011-07-08  Ian Lance Taylor  <iant@google.com>
2083
2084         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2085         expression more complex.
2086
2087 2011-07-08  Ian Lance Taylor  <iant@google.com>
2088
2089         PR gold/11317
2090         * target-reloc.h (issue_undefined_symbol_error): New inline
2091         function, broken out of relocate_section.
2092         (relocate_section): Call issue_undefined_symbol_error.
2093         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2094         there is no TLS segment if we are about to issue an undefined
2095         symbol error.
2096         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2097
2098 2011-07-08  Ian Lance Taylor  <iant@google.com>
2099
2100         PR gold/12279
2101         * resolve.cc (Symbol_table::should_override): Add fromtype
2102         parameter.  Change all callers.  Give error when linking together
2103         TLS and non-TLS symbol.
2104         (Symbol_table::should_override_with_special): Add fromtype
2105         parameter.  Change all callers.
2106         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2107         there is no TLS segment if we have reported some errors.
2108         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2109
2110 2011-07-08  Ian Lance Taylor  <iant@google.com>
2111
2112         PR gold/12372
2113         * target.h (Target::plt_address_for_global): New function.
2114         (Target::plt_address_for_local): New function.
2115         (Target::plt_section_for_global): Remove.
2116         (Target::plt_section_for_local): Remove.
2117         (Target::do_plt_address_for_global): New virtual function.
2118         (Target::do_plt_address_for_local): New virtual function.
2119         (Target::do_plt_section_for_global): Remove.
2120         (Target::do_plt_section_for_local): Remove.
2121         (Target::register_global_plt_entry): Add Symbol_table and Layout
2122         parameters.
2123         * output.cc (Output_data_got::Got_entry::write): Use
2124         plt_address_for_global and plt_address_for_local.
2125         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2126         address of output section.
2127         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2128         got_irelative_, and irelative_count_ fields.  Update
2129         declarations.
2130         (Output_data_plt_i386::has_irelative_section): New function.
2131         (Output_data_plt_i386::entry_count): Add irelative_count_.
2132         (Output_data_plt_i386::set_final_data_size): Likewise.
2133         (class Target_i386): Add got_irelative_ and rel_irelative_
2134         fields.  Update declarations.
2135         (Target_i386::Target_i386): Initialize new fields.
2136         (Target_i386::do_plt_address_for_global): New function replacing
2137         do_plt_section_for_global.
2138         (Target_i386::do_plt_address_for_local): New function replacing
2139         do_plt_section_for_local.
2140         (Target_i386::got_section): Create got_irelative_.
2141         (Target_i386::rel_irelative_section): New function.
2142         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2143         fields.  Don't define __rel_iplt_{start,end}.
2144         (Output_data_plt_i386::add_entry): Add symtab and layout
2145         parameters.  Change all callers.  Use different PLT and GOT for
2146         IFUNC symbols.
2147         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2148         layout parameters.  Change all callers.  Use different PLT and
2149         GOT.
2150         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2151         (Output_data_plt_i386::rel_irelative): New function.
2152         (Output_data_plt_i386::address_for_global): New function.
2153         (Output_data_plt_i386::address_for_local): New function.
2154         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2155         IRELATIVE GOT when changing IFUNC GOT entries.
2156         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2157         reloc.
2158         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2159         if we didn't create an IRELATIVE GOT.
2160         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2161         plt_address_for_local.
2162         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2163         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2164         got_irelative_, and irelative_count_ fields.  Update
2165         declarations.
2166         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2167         Initialize new fields.  Remove symtab parameter.  Change all
2168         callers.
2169         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2170         irelative_count_.
2171         (Output_data_plt_x86_64::has_irelative_section): New function.
2172         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2173         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2174         fields.  Update declarations.
2175         (Target_x86_64::Target_x86_64): Initialize new fields.
2176         (Target_x86_64::do_plt_address_for_global): New function replacing
2177         do_plt_section_for_global.
2178         (Target_x86_64::do_plt_address_for_local): New function replacing
2179         do_plt_section_for_local.
2180         (Target_x86_64::got_section): Create got_irelative_.
2181         (Target_x86_64::rela_irelative_section): New function.
2182         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2183         all callers.  Don't create __rel_iplt_{start,end}.
2184         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2185         parameters.  Change all callers.  Use different PLT and GOT for
2186         IFUNC symbols.
2187         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2188         layout parameters.  Change all callers.  Use different PLT and
2189         GOT.
2190         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2191         parameters.  Change all callers.  Use different PLT and GOT for
2192         IFUNC symbols.
2193         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2194         (Output_data_plt_x86_64::rela_irelative): New function.
2195         (Output_data_plt_x86_64::address_for_global): New function.
2196         (Output_data_plt_x86_64::address_for_local): New function.
2197         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2198         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2199         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2200         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2201         parameters.
2202         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2203         reloc.
2204         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2205         symbols if we didn't create an IRELATIVE GOT.
2206         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2207         plt_address_for_local.
2208         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2209         * testsuite/ifuncvar1.c: New test file.
2210         * testsuite/ifuncvar2.c: New test file.
2211         * testsuite/ifuncvar3.c: New test file.
2212         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2213         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2214         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2215         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2216         * testsuite/Makefile.in: Rebuild.
2217
2218 2011-07-07  Cary Coutant  <ccoutant@google.com>
2219
2220         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2221         (two_file_test_1_ndebug.o): Likewise.
2222         (two_file_test_1b_ndebug.o): Likewise.
2223         (two_file_test_2_ndebug.o): Likewise.
2224         (two_file_test_main_ndebug.o): Likewise.
2225         (incremental_test_2): Link with no-debug versions.
2226
2227 2011-07-06  Cary Coutant  <ccoutant@google.com>
2228
2229         * gold/incremental.cc
2230         (Output_section_incremental_inputs::write_info_blocks): Check for
2231         hidden and internal symbols.
2232
2233 2011-07-06  Cary Coutant  <ccoutant@google.com>
2234
2235         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2236         Check disposition for startup file.
2237         (Incremental_inputs::report_command_line): Ignore
2238         --incremental-startup-unchanged option.
2239         * options.cc (General_options::parse_incremental_startup_unchanged):
2240         New function.
2241         (General_options::General_options): Initialize new data member.
2242         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2243         (General_options): Add --incremental-startup-unchanged option.
2244         (General_options::incremental_startup_disposition): New function.
2245         (General_options::incremental_startup_disposition_): New data member.
2246
2247 2011-07-06  Cary Coutant  <ccoutant@google.com>
2248
2249         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2250         input file index to Script_info ctor.
2251         (Sized_incremental_binary::do_file_has_changed): Find the
2252         command-line argument for files named in scripts.
2253         * incremental.h (Script_info::Script_info): New ctor
2254         with input file index.
2255         (Script_info::input_file_index): New function.
2256         (Script_info::input_file_index_): New data member.
2257         (Incremental_binary::get_library): Add const.
2258         (Incremental_binary::get_script_info): Add const.
2259         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2260         * testsuite/Makefile.am (incremental_test_5): New test case.
2261         (incremental_test_6): New test case.
2262         * testsuite/Makefile.in: Regenerate.
2263
2264 2011-07-06  Cary Coutant  <ccoutant@google.com>
2265
2266         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2267         debug output when command lines differ.
2268
2269 2011-07-06  Cary Coutant  <ccoutant@google.com>
2270
2271         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2272         --incremental-patch option.
2273         * layout.cc (Free_list::allocate): Extend allocation beyond original
2274         end if enabled.
2275         (Layout::make_output_section): Mark sections that should get
2276         patch space.
2277         * options.cc (parse_percent): New function.
2278         * options.h (parse_percent): New function.
2279         (DEFINE_percent): New macro.
2280         (General_options): Add --incremental-patch option.
2281         * output.cc (Output_section::Output_section): Initialize new data
2282         members.
2283         (Output_section::add_input_section): Print section name when out
2284         of patch space.
2285         (Output_section::add_output_section_data): Likewise.
2286         (Output_section::set_final_data_size): Add patch space when
2287         doing --incremental-full.
2288         (Output_section::do_reset_address_and_file_offset): Remove patch
2289         space.
2290         (Output_segment::set_section_list_addresses): Print debug output
2291         only if --incremental-update.
2292         * output.h (Output_section::set_is_patch_space_allowed): New function.
2293         (Output_section::is_patch_space_allowed_): New data member.
2294         (Output_section::patch_space_): New data member.
2295         * parameters.cc (Parameters::incremental_full): New function.
2296         * parameters.h (Parameters::incremental_full): New function
2297         * testsuite/Makefile.am (incremental_test_2): Add test for
2298         --incremental-patch option.
2299         * testsuite/Makefile.in: Regenerate.
2300         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2301         (t18): Remove function body.
2302
2303 2011-07-05  Doug Kwan  <dougkwan@google.com>
2304
2305         PR gold/12771
2306         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2307         Arm_Address type for relocation result.
2308         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2309         overflow check.
2310         (Arm_relocate_functions::abs32): Use unaligned access.
2311         (Arm_relocate_functions::rel32): Ditto.
2312         (Arm_relocate_functions::prel31): Ditto.
2313         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2314         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2315         static data relocations.
2316         * testsuite/Makefile.in: Regnerate.
2317         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2318
2319 2011-07-05  Ian Lance Taylor  <iant@google.com>
2320
2321         PR gold/12392
2322         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2323         symbols if necessary.
2324         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2325
2326 2011-07-05  Ian Lance Taylor  <iant@google.com>
2327
2328         PR gold/12952
2329         * resolve.cc (Symbol::override_base_with_special): Simply override
2330         version with special symbol version, ignoring previous version.
2331
2332 2011-07-05  Ian Lance Taylor  <iant@google.com>
2333
2334         * object.cc (Sized_relobj_file::include_section_group): Add
2335         information to comment about signature location.
2336
2337 2011-07-02  Ian Lance Taylor  <iant@google.com>
2338
2339         PR gold/12957
2340         * options.h (class General_options): Add -f and -F.
2341         * options.cc (General_options::finalize): Fatal error if -f/-F
2342         are used without -shared.
2343         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2344
2345 2011-07-02  Ian Lance Taylor  <iant@google.com>
2346
2347         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2348
2349 2011-07-01  Ian Lance Taylor  <iant@google.com>
2350
2351         PR gold/12525
2352         PR gold/12952
2353         * resolve.cc (Symbol::override_base_with_special): Don't override
2354         the version if the overriding symbol has a different name.
2355         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2356         all callers.  If we give an error about an undefined version,
2357         define the base version if necessary.
2358         * dynobj.h (class Versions): Update declaration.
2359         * testsuite/weak_alias_test_5.cc: New file.
2360         * testsuite/weak_alias_test.script: New file.
2361         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2362         and versioned_alias have the right value, and call t2.
2363         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2364         weak_alias_test_5.so.
2365         (weak_alias_test_LDADD): Likewise.
2366         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2367         * testsuite/Makefile.in: Rebuild.
2368
2369 2011-07-01  Ian Lance Taylor  <iant@google.com>
2370
2371         PR gold/12525
2372         * options.h (class General_options): Support -z notext.
2373         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2374         -Wl,-z,notext.
2375         (two_file_shared_nonpic.so): Likewise.
2376         (two_file_shared_mixed.so): Likewise.
2377         (two_file_shared_mixed_1.so): Likewise.
2378         (weak_undef_lib_nonpic.so): Likewise.
2379         (alt/weak_undef_lib_nonpic.so): Likewise.
2380         (tls_test_shared_nonpic.so): Likewise.
2381         * testsuite/Makefile.in: Rebuild.
2382
2383 2011-07-01  Ian Lance Taylor  <iant@google.com>
2384
2385         PR gold/12525
2386         * configure.ac: Test whether static linking works, setting
2387         the automake conditional HAVE_STATIC.
2388         * testsuite/Makefile.am: Disable tests using -static if
2389         HAVE_STATIC is not true.
2390         * configure, testsuite/Makefile.in: Rebuild.
2391
2392 2011-07-01  Ian Lance Taylor  <iant@google.com>
2393
2394         PR gold/12525
2395         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2396         Assert if we see DW_EH_PE_indirect.
2397         * target.h (Target::ehframe_datarel_base): New function.
2398         (Target::do_ehframe_datarel_base): New target function.
2399         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2400         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2401         function.
2402
2403 2011-07-01  Ian Lance Taylor  <iant@google.com>
2404
2405         PR gold/12571
2406         * options.h (class General_options): Add
2407         --ld-generated-unwind-info.
2408         * ehframe.cc (Fde::write): Add address parameter.  Change all
2409         callers.  If associated with PLT, fill in address and size.
2410         (Cie::set_output_offset): Only add merge mapping if there is an
2411         object.
2412         (Cie::write): Add address parameter.  Change all callers.
2413         (Eh_frame::add_ehframe_for_plt): New function.
2414         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2415         input_offset_ fields into union u_, with new plt field.
2416         (Fde::Fde): Adjust for new union field.
2417         (Fde::Fde) [Output_data version]: New constructor.
2418         (Fde::add_mapping): Only add merge mapping if there is an object.
2419         (class Cie): Update declarations.
2420         (class Eh_frame): Declare add_ehframe_for_plt.
2421         * layout.cc (Layout::layout_eh_frame): Break out code into
2422         make_eh_frame_section, and call it.
2423         (Layout::make_eh_frame_section): New function.
2424         (Layout::add_eh_frame_for_plt): New function.
2425         * layout.h (class Layout): Update declarations.
2426         * merge.cc (Merge_map::add_mapping): Add assertion.
2427         * i386.cc: Include "dwarf.h".
2428         (class Output_data_plt_i386): Make first_plt_entry,
2429         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2430         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2431         and plt_eh_frame_fde.
2432         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2433         boundary.  Call add_eh_frame_for_plt if appropriate.
2434         * x86_64.cc: Include "dwarf.h".
2435         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2436         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2437         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2438         and plt_eh_frame_fde.
2439         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2440         appropriate.
2441
2442 2011-06-29  Ian Lance Taylor  <iant@google.com>
2443
2444         PR gold/12629
2445         * object.cc (Sized_relobj_file::layout_section): Change shdr
2446         parameter to be const.
2447         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2448         out of do_layout.
2449         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2450         appropriate.  Call layout_eh_frame_section.
2451         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2452         sections.
2453         * object.h (class Sized_relobj_file): Update declarations.
2454
2455 2011-06-29  Ian Lance Taylor  <iant@google.com>
2456
2457         PR gold/12652
2458         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2459         modifier.
2460         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2461
2462 2011-06-29  Ian Lance Taylor  <iant@google.com>
2463
2464         PR gold/12675
2465         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2466         SHT_X86_64_UNWIND.
2467         * layout.cc (Layout::layout_eh_frame): Likewise.
2468
2469 2011-06-29  Ian Lance Taylor  <iant@google.com>
2470
2471         PR gold/12695
2472         * layout.cc (Layout::symtab_section_shndx): New function.
2473         * layout.h (class Layout): Declare symtab_section_shndx.
2474         * output.cc (Output_section::write_header): Call it.
2475
2476 2011-06-29  Ian Lance Taylor  <iant@google.com>
2477
2478         PR gold/12818
2479         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2480         symbols which are not used in a relocation.
2481
2482 2011-06-28  Ian Lance Taylor  <iant@google.com>
2483
2484         PR gold/12898
2485         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2486         script create indistinguishable segments.
2487         (Layout::set_segment_offsets): Use stable_sort when sorting
2488         segments.  Pass this to Compare_segments constructor.
2489         * layout.h (class Layout): Make segment_precedes non-static.
2490         (class Compare_segments): Change from struct to class.  Add
2491         layout_ field.  Add constructor.
2492         * script-sections.cc
2493         (Script_sections::attach_sections_using_phdrs_clause): Rename
2494         local orphan to is_orphan.  Don't report failure to put empty
2495         section in segment.  On attachment failure, report name of
2496         section, and attach to first PT_LOAD segment.
2497
2498 2011-06-28  Ian Lance Taylor  <iant@google.com>
2499
2500         PR gold/12934
2501         * target-select.cc (Target_selector::Target_selector): Add
2502         emulation parameter.  Change all callers.
2503         (select_target_by_bfd_name): Rename from select_target_by_name.
2504         Change all callers.
2505         (select_target_by_emulation): New function.
2506         (supported_emulation_names): New function.
2507         * target-select.h (class Target_selector): Add emulation_ field.
2508         Update declarations.
2509         (Target_selector::recognize_by_bfd_name): Rename from
2510         recognize_by_name.  Change all callers.
2511         (Target_selector::supported_bfd_names): Rename from
2512         supported_names.  Change all callers.
2513         (Target_selector::recognize_by_emulation): New function.
2514         (Target_selector::supported_emulations): New function.
2515         (Target_selector::emulation): New function.
2516         (Target_selector::do_recognize_by_bfd_name): Rename from
2517         do_recognize_by_name.  Change all callers.
2518         (Target_selector::do_supported_bfd_names): Rename from
2519         do_supported_names.  Change all callers.
2520         (Target_selector::do_recognize_by_emulation): New function.
2521         (Target_selector::do_supported_emulations): New function.
2522         (select_target_by_bfd_name): Change name in declaration.
2523         (select_target_by_emulation): Declare.
2524         (supported_emulation_names): Declare.
2525         * parameters.cc (parameters_force_valid_target): Try to find
2526         target based on emulation from -m option.
2527         * options.h (class General_options): Change doc string for -m.
2528         * options.cc (help): Print emulations.
2529         (General_options::parse_V): Likewise.
2530         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2531         Add emulation parameter.  Change all callers.
2532
2533 2011-06-28  Ian Lance Taylor  <iant@google.com>
2534
2535         * target.h (class Target): Add osabi_ field.
2536         (Target::osabi): New function.
2537         (Target::set_osabi): New function.
2538         (Target::Target): Initialize osabi_.
2539         (Target::do_adjust_elf_header): Make pure virtual.
2540         (Sized_target::do_adjust_elf_header): Declare.
2541         * target.cc (Sized_target::do_adjust_elf_header): New function.
2542         (class Sized_target): Instantiate all versions.
2543         * freebsd.h (class Target_freebsd): Remove.
2544         (Target_selector_freebsd::do_recognize): Call set_osabi on
2545         Target.
2546         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2547         (Target_selector_freebsd::set_osabi): Remove.
2548         * i386.cc (class Target_i386): Inherit from Sized_target rather
2549         than Target_freebsd.
2550         * x86_64.cc (class Target_x86_64): Likewise.
2551
2552 2011-06-28  Ian Lance Taylor  <iant@google.com>
2553
2554         * target.h (Target::can_check_for_function_pointers): Rewrite.
2555         Make non-virtual.
2556         (Target::can_icf_inline_merge_sections): Likewise.
2557         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2558         (Target::Target_info): Add can_icf_inline_merge_sections field.
2559         (Target::do_can_check_for_function_pointers): New virtual
2560         function.
2561         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2562         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2563         from can_check_for_function_pointers, move in file.
2564         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2565         section_may_have_icf_unsafe_poineters, move in file.
2566         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2567         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2568         Rename from can_check_for_function_pointers, move in file.
2569         (Target_i386::can_icf_inline_merge_sections): Remove.
2570         (Target_i386::i386_info): Initialize
2571         can_icf_inline_merge_sections.
2572         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2573         Initialize can_icf_inline_merge_sections.
2574         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2575         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2576         Rename from can_check_for_function_pointers, move in file.
2577         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2578         (Target_x86_64::x86_64_info): Initialize
2579         can_icf_inline_merge_sections.
2580         * testsuite/testfile.cc (Target_test::test_target_info):
2581         Likewise.
2582         * icf.cc (get_section_contents): Correct formatting.
2583
2584 2011-06-27  Ian Lance Taylor  <iant@google.com>
2585
2586         * symtab.cc (Symbol::versioned_name): New function.
2587         (Symbol_table::add_to_final_symtab): Use versioned_name when
2588         appropriate.
2589         (Symbol_table::sized_write_symbol): Likewise.
2590         * symtab.h (class Symbol): Declare versioned_name.
2591         * stringpool.h (class Stringpool_template): Add variant of add
2592         which takes a std::basic_string.
2593         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2594         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2595         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2596         (ver_test_12.o): New target.
2597         * testsuite/Makefile.in: Rebuild.
2598
2599 2011-06-27  Doug Kwan  <dougkwan@google.com>
2600
2601         * arm.cc (Arm_relocate_functions::thm_jump8,
2602         Arm_relocate_functions::thm_jump11): Use a wider signed
2603         type to compute offset.
2604         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2605         arm_thm_jump8.
2606         * testsuite/Makefile.in: Regenerate.
2607         * testsuite/arm_branch_in_range.sh: Check test results of
2608         arm_thm_jump11 and arm_thm_jump8.
2609         * testsuite/arm_thm_jump11.s: New test source file.
2610         * testsuite/arm_thm_jump11.t: New linker script.
2611         * testsuite/arm_thm_jump8.s: New test source file.
2612         * testsuite/arm_thm_jump8.t: New linker script.
2613
2614 2011-06-24  Ian Lance Taylor  <iant@google.com>
2615
2616         * layout.cc: Include "object.h".
2617         (ctors_sections_in_init_array): New static variable.
2618         (Layout::is_ctors_in_init_array): New function.
2619         (Layout::layout): Add entry to ctors_sections_in_init_array if
2620         appropriate.
2621         * layout.h (class Layout): Declare is_ctors_in_init_array.
2622         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2623         is_ctors_reverse_view is set.
2624         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2625         all callers.  Set is_ctors_reverse_view field of View_size.
2626         (Sized_relobj_file::reverse_words): New function.
2627         * object.h (Sized_relobj_file::View_size): Add
2628         is_ctors_reverse_view field.
2629         (class Sized_relobj_file): Update declarations.
2630         * testsuite/initpri3.c: New test.
2631         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2632         initpri3b.
2633         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2634         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2635         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2636         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2637         * testsuite/Makefile.in: Rebuild.
2638
2639 2011-06-24  Cary Coutant  <ccoutant@google.com>
2640
2641         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2642         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2643         (debug_msg_cdebug.err): New targets.
2644         * testsuite/Makefile.in: Regenerate.
2645         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2646         Fix checks for link with shared library.
2647
2648 2011-06-24  Doug Kwan  <dougkwan@google.com>
2649
2650         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2651         skip empty text sections.
2652         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2653
2654 2011-06-22  Ian Lance Taylor  <iant@google.com>
2655
2656         PR gold/12910
2657         * options.h (class General_options): Add --ctors-in-init-array.
2658         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2659         friends as SHT_PROGBITS for merging sections.
2660         (Layout::layout): Remove special handling of .init_array and
2661         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2662         and .dtors if ctors_in_init_array.
2663         (Layout::make_output_section): Force correct section types for
2664         .init_array and friends.  Don't sort if doing relocatable link,
2665         Don't sort .ctors and .dtors if ctors_in_init_array.
2666         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2667         (Layout::output_section_name): Add relobj parameter.  Change all
2668         callers.  Handle .ctors. and .dtors. in code rather than table.
2669         Handle .ctors and .dtors if ctors_in_init_array.
2670         (Layout::match_file_name): New function, moved from output.cc.
2671         * layout.h (class Layout): Update declarations.
2672         * output.cc: Include "layout.h".
2673         (Input_section_sort_entry::get_priority): New function.
2674         (Input_section_sort_entry::match_file_name): Just call
2675         Layout::match_file_name.
2676         (Output_section::Input_section_sort_init_fini_compare::operator()):
2677         Handle .ctors and .dtors.  Sort by explicit priority rather than
2678         by name.
2679         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2680         * testsuite/initpri2.c: New test.
2681         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2682         (check_PROGRAMS): Add initpri2.
2683         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2684         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2685         * configure, testsuite/Makefile.in: Rebuild.
2686
2687 2011-06-19  Ian Lance Taylor  <iant@google.com>
2688
2689         PR gold/12880
2690         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2691         .interp section to a PT_INTERP segment even if we have seen a
2692         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2693         clause in a linker script.
2694         (Layout::finalize): Don't create a .interp section if we've
2695         already create a PT_INTERP segment.
2696         (Layout::create_interp): Always call choose_output_section (revert
2697         patch of 2011-06-17).  Don't create PT_INTERP segment.
2698         * script-sections.cc
2699         (Script_sections::create_note_and_tls_segments): Add a .interp
2700         section to a PT_INTERP segment even if we have seen a
2701         --dynamic-linker option.
2702
2703 2011-06-18  Ian Lance Taylor  <iant@google.com>
2704
2705         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2706         merely because a non-PT_LOAD segment has a dynamic reloc.
2707
2708 2011-06-18  Ian Lance Taylor  <iant@google.com>
2709
2710         * layout.cc (Layout::finish_dynamic_section): Don't create
2711         DT_FLAGS entry if not needed.
2712
2713 2011-06-18  Ian Lance Taylor  <iant@google.com>
2714
2715         PR gold/12745
2716         * layout.cc (Layout::layout_eh_frame): Correct handling of
2717         writable .eh_frame section.
2718
2719 2011-06-17  Ian Lance Taylor  <iant@google.com>
2720
2721         PR gold/12893
2722         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2723         symbol is redefined with the exact same object and value.
2724
2725 2011-06-17  Ian Lance Taylor  <iant@google.com>
2726
2727         PR gold/12880
2728         * layout.h (class Layout): Add interp_segment_ field.
2729         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2730         (Layout::attach_allocated_section_to_segment): If making shared
2731         library, put .interp section in PT_INTERP segment.
2732         (Layout::finalize): Also call create_interp if -dynamic-linker
2733         option was used.
2734         (Layout::create_interp): Assert that there is no PT_INTERP
2735         segment.  If not using a SECTIONS clause, use make_output_section.
2736         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2737         * script-sections.cc
2738         (Script_sections::create_note_and_tls_segments): If making shared
2739         library, put .interp section in PT_INTERP segment.
2740
2741 2011-06-17  Ian Lance Taylor  <iant@google.com>
2742
2743         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2744         when making a shared library.
2745
2746 2011-06-17  Ian Lance Taylor  <iant@google.com>
2747
2748         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2749         parameter.  Change all callers.  Don't issue warning about PC32
2750         against locally defined symbol.
2751
2752 2011-06-16  Ian Lance Taylor  <iant@google.com>
2753
2754         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2755         occurs in same object.
2756
2757 2011-06-14  Alan Modra  <amodra@gmail.com>
2758
2759         * po/POTFILES.in: Regenerate.
2760
2761 2011-06-09  Ian Lance Taylor  <iant@google.com>
2762
2763         * script-sections.cc
2764         (Orphan_output_section::set_section_addresses): For a relocatable
2765         link set address to 0.
2766
2767 2011-06-09  Cary Coutant  <ccoutant@google.com>
2768
2769         PR gold/12804
2770         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2771         used with --compress-debug-sections.
2772         * gold/object.cc (Sized_relobj_file::do_layout): Report
2773         uncompressed size of compressed input sections.
2774
2775 2011-06-08  Cary Coutant  <ccoutant@google.com>
2776
2777         PR gold/12804
2778         * testsuite/two_file_test_2_v1.cc: Change initialization of
2779         v2 to keep it in .data.
2780
2781 2011-06-07  Cary Coutant  <ccoutant@google.com>
2782
2783         * common.cc (Symbol_table::do_allocate_commons_list): Call
2784         gold_fallback.
2785         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2786         (Errors::fallback): New function.
2787         (gold_fallback): New function.
2788         * errors.h (Errors::fallback): New function.
2789         * gold.cc (gold_exit): Change status parameter to enum; adjust
2790         all callers.
2791         (queue_initial_tasks): Call gold_fallback.
2792         * gold.h: Include cstdlib.
2793         (Exit_status): New enum type.
2794         (gold_exit): Change status parameter to enum.
2795         (gold_fallback): New function.
2796         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2797         (Layout::create_symtab_sections): Likewise.
2798         (Layout::create_shdrs): Likewise.
2799         * main.cc (main): Adjust call to gold_exit.
2800         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2801         (Output_data_got::add_got_entry_pair): Likewise.
2802         (Output_section::add_input_section): Likewise.
2803         (Output_section::add_output_section_data): Likewise.
2804         (Output_segment::set_section_list_addresses): Likewise.
2805         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2806
2807 2011-06-07  Cary Coutant  <ccoutant@google.com>
2808
2809         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2810         for incremental links.
2811         * output.cc (Output_segment::set_section_list_addresses): Remove
2812         FIXME and test for TLS or BSS.
2813
2814 2011-06-07  Cary Coutant  <ccoutant@google.com>
2815
2816         * testsuite/Makefile.am: Add incremental_copy_test,
2817         incremental_common_test_1.
2818         * testsuite/Makefile.in: Regenerate.
2819         * testsuite/common_test_1_v1.c: New source file.
2820         * testsuite/common_test_1_v2.c: New source file.
2821         * testsuite/copy_test_v1.cc: New source file.
2822
2823 2011-06-07  Cary Coutant  <ccoutant@google.com>
2824
2825         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2826         update, allocate common from bss section's free list.
2827         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2828         linker-defined symbols.
2829         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2830         Skip GOT and PLT entries that are no longer referenced.
2831         (Output_section_incremental_inputs::write_info_blocks): Mark
2832         linker-defined symbols.
2833         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2834         * output.cc (Output_section::allocate): New function.
2835         * output.h (Output_section::allocate): New function.
2836         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2837         linker-defined symbols.
2838         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2839         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2840         (Symbol::init_base_output_data): Likewise.
2841         (Symbol::init_base_output_segment): Likewise.
2842         (Symbol::init_base_constant): Likewise.
2843         (Sized_symbol::init_output_data): Likewise.
2844         (Sized_symbol::init_output_segment): Likewise.
2845         (Sized_symbol::init_constant): Likewise.
2846         (Symbol_table::do_define_in_output_data): Likewise.
2847         (Symbol_table::do_define_in_output_segment): Likewise.
2848         (Symbol_table::do_define_as_constant): Likewise.
2849         * symtab.h (Symbol::is_predefined): New function.
2850         (Symbol::init_base_output_data): Add is_predefined parameter.
2851         (Symbol::init_base_output_segment): Likewise.
2852         (Symbol::init_base_constant): Likewise.
2853         (Symbol::is_predefined_): New data member.
2854         (Sized_symbol::init_output_data): Add is_predefined parameter.
2855         (Sized_symbol::init_output_segment): Likewise.
2856         (Sized_symbol::init_constant): Likewise.
2857         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2858
2859 2011-06-07  Cary Coutant  <ccoutant@google.com>
2860
2861         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2862         instead of emit_copy_reloc.
2863         (Copy_relocs::emit_copy_reloc): Refactor.
2864         (Copy_relocs::make_copy_reloc): New function.
2865         (Copy_relocs::add_copy_reloc): Remove.
2866         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2867         section.
2868         (Copy_relocs::make_copy_reloc): New function.
2869         (Copy_relocs::add_copy_reloc): Remove.
2870         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2871         unchanged input files.
2872         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2873         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2874         Reserve BSS space for COPY relocations.
2875         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2876         (Output_section_incremental_inputs::write_info_blocks): Record
2877         whether a symbol is copied from a shared object.
2878         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2879         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2880         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2881         (Incremental_input_entry_reader::get_output_symbol_index): Add
2882         is_copy parameter.
2883         (Incremental_binary::emit_copy_relocs): New function.
2884         (Incremental_binary::do_emit_copy_relocs): New function.
2885         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2886         new data member.
2887         (Sized_incremental_binary::add_copy_reloc): New function.
2888         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2889         (Sized_incremental_binary::Copy_reloc): New struct.
2890         (Sized_incremental_binary::Copy_relocs): New typedef.
2891         (Sized_incremental_binary::copy_relocs_): New data member.
2892         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2893         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2894         * target.h (Sized_target::emit_copy_reloc): New function.
2895         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2896
2897 2011-06-02  Cary Coutant  <ccoutant@google.com>
2898
2899         PR gold/12163
2900         * gold/archive.cc (Archive::Archive): Initialize new data member.
2901         (Archive::include_all_members): Return if archive has already been
2902         included.
2903         * gold/archive.h (Archive::include_all_members_): New data member.
2904
2905 2011-06-02  Nick Clifton  <nickc@redhat.com>
2906
2907         * dynobj.h: Fix spelling mistake in comment.
2908         * output.cc: Likewise.
2909
2910 2011-05-31  Doug Kwan  <dougkwan@google.com>
2911             Asier Llano
2912
2913         PR gold/12826
2914         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2915         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2916         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2917         redundant arm_exidx_test.so.
2918         * testsuite/Makefile.in: Regenerate.
2919         (check_SCRIPTS): Add pr12826.sh
2920         (check_DATA): Add pr12826.stdout
2921         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2922         * testsuite/pr12826.sh: New file.
2923         * testsuite/pr12826_1.s: Ditto.
2924         * testsuite/pr12826_1.s: Ditto.
2925
2926 2011-05-30  Ian Lance Taylor  <iant@google.com>
2927
2928         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2929         sections.
2930
2931 2011-05-29  Ian Lance Taylor  <iant@google.com>
2932
2933         PR gold/12804
2934         * testsuite/Makefile.am: Use different file name for two_file_test
2935         temporary file for each incremental test.
2936         * testsuite/Makefile.in: Rebuild.
2937
2938 2011-05-29  Ian Lance Taylor  <iant@google.com>
2939
2940         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2941         binary input file is empty.
2942
2943 2011-05-27  Ian Lance Taylor  <iant@google.com>
2944
2945         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2946         (ver_test_9.so): Likewise.
2947         * testsuite/Makefile.in: Rebuild.
2948
2949 2011-05-26 Cary Coutant  <ccoutant@google.com>
2950
2951         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2952         * incremental.cc (Incremental_inputs::report_input_section): Fix
2953         comment, indentation.
2954         (Incremental_inputs::report_comdat_group): New function.
2955         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2956         of data for incremental input file entry.
2957         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2958         group count, COMDAT group signatures.
2959         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2960         an unchanged input file.
2961         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2962         Initialize new data member.
2963         (Incremental_object_entry::add_comdat_group): New function.
2964         (Incremental_object_entry::get_comdat_group_count): New function.
2965         (Incremental_object_entry::get_comdat_signature_key): New function.
2966         (Incremental_object_entry::groups_): New data member.
2967         (Incremental_inputs::report_comdat_group): New function.
2968         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2969         data for incremental input file entry.
2970         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2971         (Incremental_input_entry_reader::get_input_section): Adjust size of
2972         data for incremental input file entry.
2973         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2974         (Incremental_input_entry_reader::get_comdat_group_signature): New
2975         function.
2976         * object.cc (Sized_relobj::include_section_group): Report kept
2977         COMDAT groups for incremental links.
2978
2979 2011-05-24  David Meyer  <pdox@google.com>
2980
2981         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2982         with name parameter.  Add found_name parameter.
2983         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2984         * dirsearch.h (class Dirsearch): Update declaration.
2985
2986 2011-05-24  Ian Lance Taylor  <iant@google.com>
2987
2988         * archive.cc (Library_base::should_include_member): Pull in object
2989         from archive if it defines the entry symbol.
2990         * parameters.cc (Parameters::entry): New function.
2991         * parameters.h (class Parameters): Declare entry.
2992         * output.h (class Output_file_header): Remove entry_ field.
2993         * output.cc (Output_file_header::Output_file_header): Remove entry
2994         parameter.  Change all callers.
2995         (Output_file_header::entry): Use parameters->entry.
2996         * gold.cc (queue_middle_tasks): Likewise.
2997         * plugin.cc (Plugin_hook::run): Likewise.
2998
2999 2011-05-24 Cary Coutant  <ccoutant@google.com>
3000
3001         * gold.cc (queue_initial_tasks): Pass incremental base filename
3002         to Output_file::open_base_file; don't print error message.
3003         * incremental-dump.cc (main): Adjust call to
3004         Output_file::open_for_modification.
3005         * incremental-dump.cc (main): Likewise.
3006         * incremental.cc (Incremental_inputs::report_command_line):
3007         Ignore --incremental-base option when comparing command lines.
3008         Ignore parameter when given as separate argument.
3009         * options.h (class General_options): Add --incremental-base.
3010         * output.cc (Output_file::Output_file):
3011         (Output_file::open_base_file): Add base_name and writable parameters;
3012         read base file into new file; print error message here.
3013         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3014         callers.
3015         * output.h (Output_file::open_for_modification): Rename to...
3016         (Output_file::open_base_file): ...this; add base_name and
3017         writable parameters; adjust all callers.
3018         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3019         callers.
3020         * testsuite/Makefile.am (incremental_test_4): Test
3021         --incremental-base.
3022         * testsuite/Makefile.in: Regenerate.
3023
3024 2011-05-24 Cary Coutant  <ccoutant@google.com>
3025
3026         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3027         incremental_test_4.
3028         * testsuite/Makefile.in: Regenerate.
3029         * testsuite/two_file_test_1_v1.cc: New test source file.
3030         * testsuite/two_file_test_1b_v1.cc: New test source file.
3031         * testsuite/two_file_test_2_v1.cc: New test source file.
3032
3033 2011-05-24 Cary Coutant  <ccoutant@google.com>
3034
3035         * dynobj.h (Dynobj::do_dynobj): New function.
3036         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3037         flag and soname for shared objects.
3038         * incremental.cc (Incremental_inputs::report_object): Make
3039         either Incremental_object_entry or Incremental_dynobj_entry; add
3040         soname to string table.
3041         (Incremental_inputs::report_input_section): Add assertion.
3042         (Output_section_incremental_inputs::set_final_data_size): Adjust
3043         type of input file entry for shared libraries; adjust size of
3044         shared library info entry.
3045         (Output_section_incremental_inputs::write_input_files): Write
3046         as_needed flag for shared libraries.
3047         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3048         of input file entry for shared libraries; write soname.
3049         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3050         soname from incremental info.
3051         * incremental.h (enum Incremental_input_flags): Add
3052         INCREMENTAL_INPUT_AS_NEEDED.
3053         (Incremental_input_entry::Incremental_input_entry): Initialize new
3054         data member.
3055         (Incremental_input_entry::set_as_needed): New function.
3056         (Incremental_input_entry::as_needed): New function.
3057         (Incremental_input_entry::do_dynobj_entry): New function.
3058         (Incremental_input_entry::as_needed_): New data member.
3059         (Incremental_object_entry::Incremental_object_entry): Don't check
3060         for shared library.
3061         (Incremental_object_entry::do_type): Likewise.
3062         (class Incremental_dynobj_entry): New class.
3063         (Incremental_input_entry_reader::as_needed): New function.
3064         (Incremental_input_entry_reader::get_soname): New function.
3065         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3066         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3067         size of shared library info entry.
3068         * layout.cc (Layout::finish_dynamic_section): Don't test for
3069         incremental link when adding DT_NEEDED entries.
3070         * object.h (Object::Object): Initialize new data member.
3071         (Object::dynobj): New function.
3072         (Object::set_as_needed): New function.
3073         (Object::as_needed): New function.
3074         (Object::do_dynobj): New function.
3075         (Object::as_needed_): New data member.
3076
3077 2011-05-24 Cary Coutant  <ccoutant@google.com>
3078
3079         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3080         info; adjust display of GOT entries.
3081         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3082         vector of input objects; remove file_status_.
3083         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3084         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3085         got_plt reader; call target hooks to reserve GOT entries.
3086         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3087         of input file info header and GOT info entry.
3088         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3089         relocation info.
3090         (Got_plt_view_info::got_descriptor): Remove.
3091         (Got_plt_view_info::sym_index): New data member.
3092         (Got_plt_view_info::input_index): New data member.
3093         (Local_got_offset_visitor::visit): Write input file index.
3094         (Global_got_offset_visitor::visit): Write 0 for input file index.
3095         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3096         with sym_index and input_index.
3097         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3098         incremental info GOT entry; replace got_descriptor with input_index.
3099         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3100         map from input file index to object.
3101         (Sized_relobj_incr::do_layout): Replace direct data member reference
3102         with accessor function.
3103         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3104         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3105         Adjust size of input file info header.
3106         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3107         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3108         (Incremental_input_entry_reader::get_input_section): Adjust size of
3109         input file info header.
3110         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3111         of incremental info GOT entry.
3112         (Incremental_got_plt_reader::get_got_desc): Remove.
3113         (Incremental_got_plt_reader::get_got_symndx): New function.
3114         (Incremental_got_plt_reader::get_got_input_index): New function.
3115         (Sized_incremental_binary::Sized_incremental_binary): Remove
3116         file_status_; add input_objects_.
3117         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3118         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3119         (Sized_incremental_binary::file_is_unchanged): Remove.
3120         (Sized_incremental_binary::set_input_object): New function.
3121         (Sized_incremental_binary::input_object): New function.
3122         (Sized_incremental_binary::file_status_): Remove.
3123         (Sized_incremental_binary::input_objects_): New data member.
3124         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3125         references.
3126         (Sized_relobj_incr::invalid_address): Move to base class.
3127         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3128         class.
3129         (Sized_relobj_incr::do_output_section_offset): Likewise.
3130         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3131         (Sized_relobj_incr::section_offsets_): Likewise.
3132         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3133         function.
3134         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3135         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3136         with accessor function.
3137         (Sized_relobj_file::do_layout): Likewise.
3138         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3139         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3140         (Sized_relobj_file::compute_final_local_value): Replace refs to
3141         section_offsets_ with accessor function.
3142         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3143         * object.h (Relobj::Relobj): Initialize new data members.
3144         (Relobj::add_dyn_reloc): New function.
3145         (Relobj::first_dyn_reloc): New function.
3146         (Relobj::dyn_reloc_count): New function.
3147         (Relobj::first_dyn_reloc_): New data member.
3148         (Relobj::dyn_reloc_count_): New data member.
3149         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3150         references.
3151         (Sized_relobj::Address): New typedef.
3152         (Sized_relobj::invalid_address): Move here from child class.
3153         (Sized_relobj::Sized_relobj): Initialize new data members.
3154         (Sized_relobj::sized_relobj): New function.
3155         (Sized_relobj::is_output_section_offset_invalid): Move here from
3156         child class.
3157         (Sized_relobj::get_output_section_offset): Likewise.
3158         (Sized_relobj::local_has_got_offset): Likewise.
3159         (Sized_relobj::local_got_offset): Likewise.
3160         (Sized_relobj::set_local_got_offset): Likewise.
3161         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3162         (Sized_relobj::clear_got_offsets): New function.
3163         (Sized_relobj::section_offsets): Move here from child class.
3164         (Sized_relobj::do_output_section_offset): Likewise.
3165         (Sized_relobj::do_set_section_offset): Likewise.
3166         (Sized_relobj::Local_got_offsets): Likewise.
3167         (Sized_relobj::local_got_offsets_): Likewise.
3168         (Sized_relobj::section_offsets_): Likewise.
3169         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3170         references.
3171         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3172         class.
3173         (Sized_relobj_file::sized_relobj): New function
3174         (Sized_relobj_file::local_has_got_offset): Move to base class.
3175         (Sized_relobj_file::local_got_offset): Likewise.
3176         (Sized_relobj_file::set_local_got_offset): Likewise.
3177         (Sized_relobj_file::get_output_section_offset): Likewise.
3178         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3179         (Sized_relobj_file::do_output_section_offset): Likewise.
3180         (Sized_relobj_file::do_set_section_offset): Likewise.
3181         (Sized_relobj_file::Local_got_offsets): Likewise.
3182         (Sized_relobj_file::local_got_offsets_): Likewise.
3183         (Sized_relobj_file::section_offsets_): Likewise.
3184         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3185         (all constructors).
3186         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3187         (Output_reloc::get_symbol_index): Likewise.
3188         (Output_reloc::local_section_offset): Likewise.
3189         (Output_reloc::get_address): Likewise.
3190         (Output_reloc::symbol_value): Likewise.
3191         (Output_data_got::reserve_slot): Move to class definition.
3192         (Output_data_got::reserve_local): New function.
3193         (Output_data_got::reserve_slot_for_global): Remove.
3194         (Output_data_got::reserve_global): New function.
3195         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3196         (all constructors, two instantiations).
3197         (Output_reloc::get_relobj): New function (two instantiations).
3198         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3199         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3200         (Output_data_reloc::add_global): Adjust type of relobj.
3201         (Output_data_reloc::add_global_relative): Likewise.
3202         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3203         (Output_data_reloc::add_local): Likewise.
3204         (Output_data_reloc::add_local_relative): Likewise.
3205         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3206         (Output_data_reloc::add_local_section): Likewise.
3207         (Output_data_reloc::add_output_section): Likewise.
3208         (Output_data_reloc::add_absolute): Likewise.
3209         (Output_data_reloc::add_target_specific): Likewise.
3210         (Output_data_got::reserve_slot): Move definition here.
3211         (Output_data_got::reserve_local): New function.
3212         (Output_data_got::reserve_global): New function.
3213         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3214         section_offsets_ with accessor function.
3215         (Sized_relobj_file::write_sections): Likewise.
3216         (Sized_relobj_file::do_relocate_sections): Likewise.
3217         * target.h (Sized_target::reserve_local_got_entry): New function.
3218         (Sized_target::reserve_global_got_entry): New function.
3219         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3220         (Target_x86_64::reserve_global_got_entry): New function.
3221         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3222
3223 2011-05-23 Cary Coutant  <ccoutant@google.com>
3224
3225         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3226         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3227         bit when checking got_type.
3228         * incremental.cc (Sized_incremental_binary::setup_readers):
3229         Store symbol table and string table locations; initialize bit vector
3230         of file status flags.
3231         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3232         unchanged files.
3233         (Sized_incremental_binary::do_process_got_plt): New function.
3234         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3235         (Output_section_incremental_inputs::set_final_data_size): Record
3236         file index for each input file.
3237         (Output_section_incremental_inputs::write_got_plt): Store file index
3238         instead of input entry offset for each GOT entry.
3239         * incremental.h
3240         (Incremental_input_entry::Incremental_input_entry): Initialize new
3241         data member.
3242         (Incremental_input_entry::set_offset): Store file index.
3243         (Incremental_input_entry::get_file_index): New function.
3244         (Incremental_input_entry::file_index_): New data member.
3245         (Incremental_binary::process_got_plt): New function.
3246         (Incremental_binary::do_process_got_plt): New function.
3247         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3248         data members.
3249         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3250         (Sized_incremental_binary::set_file_is_unchanged): New function.
3251         (Sized_incremental_binary::file_is_unchanged): New function.
3252         (Sized_incremental_binary::do_process_got_plt): New function.
3253         (Sized_incremental_binary::file_status_): New data member.
3254         (Sized_incremental_binary::main_symtab_loc_): New data member.
3255         (Sized_incremental_binary::main_strtab_loc_): New data member.
3256         * output.cc (Output_data_got::Got_entry::write): Add case
3257         RESERVED_CODE.
3258         (Output_data_got::add_global): Call add_got_entry.
3259         (Output_data_got::add_global_plt): Likewise.
3260         (Output_data_got::add_global_with_rel): Likewise.
3261         (Output_data_got::add_global_with_rela): Likewise.
3262         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3263         (Output_data_got::add_global_pair_with_rela): Likewise.
3264         (Output_data_got::add_local): Call add_got_entry.
3265         (Output_data_got::add_local_plt): Likewise.
3266         (Output_data_got::add_local_with_rel): Likewise.
3267         (Output_data_got::add_local_with_rela): Likewise.
3268         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3269         (Output_data_got::add_local_pair_with_rela): Likewise.
3270         (Output_data_got::reserve_slot): New function.
3271         (Output_data_got::reserve_slot_for_global): New function.
3272         (Output_data_got::add_got_entry): New function.
3273         (Output_data_got::add_got_entry_pair): New function.
3274         (Output_section::add_output_section_data): Edit FIXME.
3275         * output.h
3276         (Output_section_data_build::Output_section_data_build): New
3277         constructor with size parameter.
3278         (Output_data_space::Output_data_space): Likewise.
3279         (Output_data_got::Output_data_got): Initialize new data member; new
3280         constructor with size parameter.
3281         (Output_data_got::add_constant): Call add_got_entry.
3282         (Output_data_got::reserve_slot): New function.
3283         (Output_data_got::reserve_slot_for_global): New function.
3284         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3285         (Output_data_got::add_got_entry): New function.
3286         (Output_data_got::add_got_entry_pair): New function.
3287         (Output_data_got::free_list_): New data member.
3288         * target.h (Sized_target::init_got_plt_for_update): New function.
3289         (Sized_target::register_global_plt_entry): New function.
3290         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3291         Initialize new data member; call init; add constructor with PLT count.
3292         (Output_data_plt_x86_64::init): New function.
3293         (Output_data_plt_x86_64::add_relocation): New function.
3294         (Output_data_plt_x86_64::reserve_slot): New function.
3295         (Output_data_plt_x86_64::free_list_): New data member.
3296         (Target_x86_64::init_got_plt_for_update): New function.
3297         (Target_x86_64::register_global_plt_entry): New function.
3298         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3299         incremental updates.
3300         (Output_data_plt_x86_64::add_relocation): New function.
3301         * testsuite/object_unittest.cc (Object_test): Set default options.
3302
3303 2011-05-16  Ian Lance Taylor  <iant@google.com>
3304
3305         * options.h (class General_options): Make -i a synonym for -r.
3306
3307 2011-05-16  Ian Lance Taylor  <iant@google.com>
3308
3309         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3310
3311 2011-05-10 Cary Coutant  <ccoutant@google.com>
3312
3313         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3314         strip_all (-s).
3315
3316 2011-05-06  Ian Lance Taylor  <iant@google.com>
3317
3318         * layout.cc (Layout::layout): If the output section flags change,
3319         update the ordering.
3320
3321 2011-04-25 Cary Coutant  <ccoutant@google.com>
3322
3323         * incremental-dump.cc (dump_incremental_inputs): Print local
3324         symbol info for each input file.
3325         * incremental.cc
3326         (Output_section_incremental_inputs::set_final_data_size): Add local
3327         symbol info to input file entries in incremental info.
3328         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3329         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3330         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3331         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3332         implementation.
3333         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3334         (Sized_incr_relobj::do_relocate): Write the local symbols.
3335         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3336         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3337         Adjust size of input file header.
3338         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3339         (Incremental_inputs_reader::get_local_symbol_count): New function.
3340         (Incremental_inputs_reader::get_input_section): Adjust size of input
3341         file header.
3342         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3343         (Sized_incr_relobj::This): New typedef.
3344         (Sized_incr_relobj::sym_size): New const data member.
3345         (Sized_incr_relobj::Local_symbol): New struct.
3346         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3347         (Sized_incr_relobj::do_local_symbol_offset): New function.
3348         (Sized_incr_relobj::local_symbol_count_): New data member.
3349         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3350         (Sized_incr_relobj::local_symbol_index_): New data member.
3351         (Sized_incr_relobj::local_symbol_offset_): New data member.
3352         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3353         (Sized_incr_relobj::local_symbols_): New data member.
3354         * object.h (Relobj::output_local_symbol_count): New function.
3355         (Relobj::local_symbol_offset): New function.
3356         (Relobj::do_output_local_symbol_count): New function.
3357         (Relobj::do_local_symbol_offset): New function.
3358         (Sized_relobj::do_output_local_symbol_count): New function.
3359         (Sized_relobj::do_local_symbol_offset): New function.
3360
3361 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3362
3363         * descriptors.cc (set_close_on_exec): New function.
3364         (Descriptors::open): Use set_close_on_exec.
3365         * output.cc (S_ISLNK): Define if not defined.
3366
3367 2011-04-22 Cary Coutant  <ccoutant@google.com>
3368
3369         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3370         global symbol map.
3371         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3372         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3373         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3374         relocations.
3375         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3376         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3377         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3378         * incremental.h
3379         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3380         function.
3381         (Incremental_binary::apply_incremental_relocs): New function.
3382         (Incremental_binary::do_apply_incremental_relocs): New function.
3383         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3384         data member.
3385         (Sized_incremental_binary::add_global_symbol): New function.
3386         (Sized_incremental_binary::global_symbol): New function.
3387         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3388         (Sized_incremental_binary::symbol_map_): New data member.
3389         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3390         * target.h (Sized_target::apply_relocation): New function.
3391         * target-reloc.h (apply_relocation): New function.
3392         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3393
3394 2011-04-22  Doug Kwan  <dougkwan@google.com>
3395
3396         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3397         flag of a SHT_ARM_EXIDX section.
3398         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3399         * testsuite/Makefile.in: Regenerate.
3400         * testsuite/arm_exidx_test.s: New file.
3401         * testsuite/arm_exidx_test.sh: Same.
3402
3403 2011-04-20 Cary Coutant  <ccoutant@google.com>
3404
3405         PR gold/12689
3406         * archive.h (Incremental_archive_entry::Archive_member):
3407         Initialize arg_serial_ (second constructor).
3408
3409 2011-04-17  Ian Lance Taylor  <iant@google.com>
3410
3411         * object.cc (Relocate_info::location): Simplify location string.
3412         * errors.cc (Errors::error_at_location): Don't print program
3413         name.
3414         (Errors::warning_at_location): Likewise.
3415         (Errors::undefined_symbol): Likewise.
3416         * testsuite/debug_msg.sh: Update accordingly.
3417
3418 2011-04-14 Cary Coutant  <ccoutant@google.com>
3419
3420         * gold/layout.cc (Layout::symtab_section_offset): New function.
3421         * gold/layout.h (Layout::symtab_section_offset): New function.
3422         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3423
3424 2011-04-12  Ian Lance Taylor  <iant@google.com>
3425
3426         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3427         with MREMAP_MAYMOVE.
3428         * output.h (class Output_file): Add map_is_allocated_ field.
3429         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3430         not available, provide stubs.  If mremap is not available, #define
3431         it to gold_mremap.
3432         (MREMAP_MAYMOVE): Define if not defined.
3433         (Output_file::Output_file): Initialize map_is_allocated_.
3434         (Output_file::resize): Check map_is_allocated_.
3435         (Output_file::map_anonymous): If mmap fails, use malloc.
3436         (Output_file::unmap): Don't do anything for an anonymous map.
3437         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3438         is not available, provide stubs.
3439         (File_read::View::~View): Use free rather than delete[].
3440         (File_read::make_view): Use malloc rather than new[].  If mmap
3441         fails, use malloc.
3442         (File_read::find_or_make_view): Use malloc rather than new[].
3443         * gold.h: Remove HAVE_REMAP code.
3444         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3445         exists.  Rename mremap to gold_mremap.  If mmap is not available
3446         don't do anything.
3447         * configure, config.in: Rebuild.
3448
3449 2011-04-11  Ian Lance Taylor  <iant@google.com>
3450
3451         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3452         initialize local variable v.
3453
3454 2011-04-11  Cary Coutant  <ccoutant@google.com>
3455
3456         * archive.cc (Archive::include_member): Adjust call to
3457         report_object.
3458         (Add_archive_symbols::run): Track argument serial numbers.
3459         (Lib_group::include_member): Likewise.
3460         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3461         * archive.h (Incremental_archive_entry::Archive_member):
3462         Initialize arg_serial_.
3463         (Archive_member::arg_serial_): New data member.
3464         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3465         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3466         incremental link.
3467         (Sized_dynobj::do_for_all_local_got_entries): New function.
3468         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3469         function.
3470         * fileread.cc (get_mtime): New function.
3471         * fileread.h (get_mtime): New function.
3472         * gold.cc (queue_initial_tasks): Check for incremental update.
3473         (process_incremental_input): New function.
3474         (queue_middle_tasks): Don't force valid target for incremental
3475         update.
3476         * incremental-dump.cc (find_input_containing_global): Adjust
3477         size of symbol info entry.
3478         (dump_incremental_inputs): Dump argument serial number and
3479         in_system_directory flag; bias shndx by 1; print symbol names
3480         when dumping per-file symbol lists; use new symbol info readers.
3481         * incremental.cc
3482         (Output_section_incremental_inputs:update_data_size): New function.
3483         (Sized_incremental_binary::setup_readers): Setup input readers
3484         for each input file; build maps for files added from libraries
3485         and scripts.
3486         (Sized_incremental_binary::check_input_args): New function.
3487         (Sized_incremental_binary::do_check_inputs): Build map of argument
3488         serial numbers to input arguments.
3489         (Sized_incremental_binary::do_file_has_changed): Rename
3490         do_file_is_unchanged to this; compare file modification times.
3491         (Sized_incremental_binary::do_init_layout): New function.
3492         (Sized_incremental_binary::do_reserve_layout): New function.
3493         (Sized_incremental_binary::do_get_input_reader): Remove.
3494         (Sized_incremental_binary::get_symtab_view): New function.
3495         (Incremental_checker::can_incrementally_link_output_file): Remove.
3496         (Incremental_inputs::report_command_line): Exclude --debug options.
3497         (Incremental_inputs::report_archive_begin): Add parameter; track
3498         argument serial numbers; don't put input file entry for archive
3499         before archive members.
3500         (Incremental_inputs::report_archive_end): Put input file entry
3501         for archive after archive members.
3502         (Incremental_inputs::report_object): Add parameter; track argument
3503         serial numbers and in_system_directory flag.
3504         (Incremental_inputs::report_script): Add parameter; track argument
3505         serial numbers.
3506         (Output_section_incremental_inputs::set_final_data_size): Adjust
3507         size of symbol info entry; check for forwarding symbols.
3508         (Output_section_incremental_inputs::write_input_files): Write
3509         in_system_directory flag and argument serial number.
3510         (Output_section_incremental_inputs::write_info_blocks): Map section
3511         indices between incremental info and original input file; store
3512         input section index for each symbol.
3513         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3514         change operator() to visit().
3515         (class Global_got_offset_visitor): Likewise.
3516         (class Global_symbol_visitor_got_plt):
3517         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3518         classes.
3519         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3520         (Sized_incr_relobj::do_read_symbols): New function.
3521         (Sized_incr_relobj::do_layout): New function.
3522         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3523         (Sized_incr_relobj::do_add_symbols): New function.
3524         (Sized_incr_relobj::do_should_include_member): New function.
3525         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3526         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3527         (Sized_incr_relobj::do_section_size): New function.
3528         (Sized_incr_relobj::do_section_name): New function.
3529         (Sized_incr_relobj::do_section_contents): New function.
3530         (Sized_incr_relobj::do_section_flags): New function.
3531         (Sized_incr_relobj::do_section_entsize): New function.
3532         (Sized_incr_relobj::do_section_address): New function.
3533         (Sized_incr_relobj::do_section_type): New function.
3534         (Sized_incr_relobj::do_section_link): New function.
3535         (Sized_incr_relobj::do_section_info): New function.
3536         (Sized_incr_relobj::do_section_addralign): New function.
3537         (Sized_incr_relobj::do_initialize_xindex): New function.
3538         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3539         (Sized_incr_relobj::do_read_relocs): New function.
3540         (Sized_incr_relobj::do_gc_process_relocs): New function.
3541         (Sized_incr_relobj::do_scan_relocs): New function.
3542         (Sized_incr_relobj::do_count_local_symbols): New function.
3543         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3544         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3545         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3546         (Sized_incr_relobj::do_relocate): New function.
3547         (Sized_incr_relobj::do_set_section_offset): New function.
3548         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3549         (Sized_incr_dynobj::do_read_symbols): New function.
3550         (Sized_incr_dynobj::do_layout): New function.
3551         (Sized_incr_dynobj::do_add_symbols): New function.
3552         (Sized_incr_dynobj::do_should_include_member): New function.
3553         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3554         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3555         (Sized_incr_dynobj::do_section_size): New function.
3556         (Sized_incr_dynobj::do_section_name): New function.
3557         (Sized_incr_dynobj::do_section_contents): New function.
3558         (Sized_incr_dynobj::do_section_flags): New function.
3559         (Sized_incr_dynobj::do_section_entsize): New function.
3560         (Sized_incr_dynobj::do_section_address): New function.
3561         (Sized_incr_dynobj::do_section_type): New function.
3562         (Sized_incr_dynobj::do_section_link): New function.
3563         (Sized_incr_dynobj::do_section_info): New function.
3564         (Sized_incr_dynobj::do_section_addralign): New function.
3565         (Sized_incr_dynobj::do_initialize_xindex): New function.
3566         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3567         (make_sized_incremental_object): New function.
3568         (Incremental_library::copy_unused_symbols): New function.
3569         (Incremental_library::do_for_all_unused_symbols): New function.
3570         * incremental.h (enum Incremental_input_flags): New type.
3571         (class Incremental_checker): Remove.
3572         (Incremental_input_entry::Incremental_input_entry): Add argument
3573         serial number.
3574         (Incremental_input_entry::arg_serial): New function.
3575         (Incremental_input_entry::set_is_in_system_directory): New function.
3576         (Incremental_input_entry::is_in_system_directory): New function.
3577         (Incremental_input_entry::arg_serial_): New data member.
3578         (Incremental_input_entry::is_in_system_directory_): New data member.
3579         (class Script_info): Move here from script.h.
3580         (Script_info::Script_info): Add filename parameter.
3581         (Script_info::filename): New function.
3582         (Script_info::filename_): New data member.
3583         (Incremental_script_entry::Incremental_script_entry): Add argument
3584         serial number.
3585         (Incremental_object_entry::Incremental_object_entry): Likewise.
3586         (Incremental_object_entry::add_input_section): Build list of input
3587         sections with map to original shndx.
3588         (Incremental_object_entry::get_input_section_index): New function.
3589         (Incremental_object_entry::shndx_): New data member.
3590         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3591         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3592         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3593         serial number.
3594         (Incremental_inputs::report_archive_begin): Likewise.
3595         (Incremental_inputs::report_object): Likewise.
3596         (Incremental_inputs::report_script): Likewise.
3597         (class Incremental_global_symbol_reader): New class.
3598         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3599         and store flags and input file type.
3600         (Incremental_input_entry_reader::arg_serial): New function.
3601         (Incremental_input_entry_reader::type): Extract type from flags.
3602         (Incremental_input_entry_reader::is_in_system_directory): New function.
3603         (Incremental_input_entry_reader::get_input_section_count): Call
3604         accessor function for type.
3605         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3606         function for type; adjust size of global symbol entry.
3607         (Incremental_input_entry_reader::get_global_symbol_count): Call
3608         accessor function for type.
3609         (Incremental_input_entry_reader::get_object_count): Likewise.
3610         (Incremental_input_entry_reader::get_object_offset): Likewise.
3611         (Incremental_input_entry_reader::get_member_count): Likewise.
3612         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3613         (Incremental_input_entry_reader::get_member_offset): Likewise.
3614         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3615         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3616         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3617         (Incremental_input_entry_reader::get_global_symbol_reader): New
3618         function.
3619         (Incremental_input_entry_reader::get_output_symbol_index): New
3620         function.
3621         (Incremental_input_entry_reader::type_): Remove.
3622         (Incremental_input_entry_reader::flags_): New data member.
3623         (Incremental_inputs_reader::input_file_offset): New function.
3624         (Incremental_inputs_reader::input_file_index): New function.
3625         (Incremental_inputs_reader::input_file): Call input_file_offset.
3626         (Incremental_inputs_reader::input_file_at_offset): New function.
3627         (Incremental_relocs_reader::get_r_type): Reformat.
3628         (Incremental_relocs_reader::get_r_shndx): Reformat.
3629         (Incremental_relocs_reader::get_r_offset): Reformat.
3630         (Incremental_relocs_reader::data): New function.
3631         (Incremental_binary::Incremental_binary): Initialize new data members.
3632         (Incremental_binary::check_inputs): Add cmdline parameter.
3633         (Incremental_binary::file_is_unchanged): Remove.
3634         (Input_reader::arg_serial): New function.
3635         (Input_reader::get_unused_symbol_count): New function.
3636         (Input_reader::get_unused_symbol): New function.
3637         (Input_reader::do_arg_serial): New function.
3638         (Input_reader::do_get_unused_symbol_count): New function.
3639         (Input_reader::do_get_unused_symbol): New function.
3640         (Incremental_binary::input_file_count): New function.
3641         (Incremental_binary::get_input_reader): Change signature to use
3642         index instead of filename.
3643         (Incremental_binary::file_has_changed): New function.
3644         (Incremental_binary::get_input_argument): New function.
3645         (Incremental_binary::get_library): New function.
3646         (Incremental_binary::get_script_info): New function.
3647         (Incremental_binary::init_layout): New function.
3648         (Incremental_binary::reserve_layout): New function.
3649         (Incremental_binary::output_file): New function.
3650         (Incremental_binary::do_check_inputs): New function.
3651         (Incremental_binary::do_file_is_unchanged): Remove.
3652         (Incremental_binary::do_file_has_changed): New function.
3653         (Incremental_binary::do_init_layout): New function.
3654         (Incremental_binary::do_reserve_layout): New function.
3655         (Incremental_binary::do_input_file_count): New function.
3656         (Incremental_binary::do_get_input_reader): Change signature.
3657         (Incremental_binary::input_args_map_): New data member.
3658         (Incremental_binary::library_map_): New data member.
3659         (Incremental_binary::script_map_): New data member.
3660         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3661         new data members.
3662         (Sized_incremental_binary::output_section): New function.
3663         (Sized_incremental_binary::inputs_reader): Add const.
3664         (Sized_incremental_binary::symtab_reader): Add const.
3665         (Sized_incremental_binary::relocs_reader): Add const.
3666         (Sized_incremental_binary::got_plt_reader): Add const.
3667         (Sized_incremental_binary::get_symtab_view): New function.
3668         (Sized_incremental_binary::Inputs_reader): New typedef.
3669         (Sized_incremental_binary::Input_entry_reader): New typedef.
3670         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3671         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3672         (Sized_incremental_binary::do_file_has_changed): New function.
3673         (Sized_incremental_binary::do_init_layout): New function.
3674         (Sized_incremental_binary::do_reserve_layout): New function.
3675         (Sized_input_reader::Inputs_reader): Remove.
3676         (Sized_input_reader::Input_entry_reader): Remove.
3677         (Sized_input_reader::do_arg_serial): New function.
3678         (Sized_input_reader::do_get_unused_symbol_count): New function.
3679         (Sized_input_reader::do_get_unused_symbol): New function.
3680         (Sized_incremental_binary::do_input_file_count): New function.
3681         (Sized_incremental_binary::do_get_input_reader): Change signature;
3682         use index instead of filename.
3683         (Sized_incremental_binary::section_map_): New data member.
3684         (Sized_incremental_binary::input_entry_readers_): New data member.
3685         (class Sized_incr_relobj): New class.
3686         (class Sized_incr_dynobj): New class.
3687         (make_sized_incremental_object): New function.
3688         (class Incremental_library): New class.
3689         * layout.cc (Free_list::num_lists): New static data member.
3690         (Free_list::num_nodes): New static data member.
3691         (Free_list::num_removes): New static data member.
3692         (Free_list::num_remove_visits): New static data member.
3693         (Free_list::num_allocates): New static data member.
3694         (Free_list::num_allocate_visits): New static data member.
3695         (Free_list::init): New function.
3696         (Free_list::remove): New function.
3697         (Free_list::allocate): New function.
3698         (Free_list::dump): New function.
3699         (Free_list::print_stats): New function.
3700         (Layout_task_runner::run): Resize output file for incremental updates.
3701         (Layout::Layout): Initialize new data members.
3702         (Layout::set_incremental_base): New function.
3703         (Layout::init_fixed_output_section): New function.
3704         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3705         incremental updates.
3706         (Layout::create_gold_note): Do not create gold note section for
3707         incremental updates.
3708         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3709         for incremental updates.
3710         (Layout::set_section_offsets): For incremental updates, allocate space
3711         from free list.
3712         (Layout::create_symtab_sections): Layout with offsets relative to
3713         start of section; for incremental updates, allocate space from free
3714         list.
3715         (Layout::create_shdrs): For incremental updates, allocate space from
3716         free list.
3717         (Layout::finish_dynamic_section): For incremental updates, do not
3718         check --as-needed (fixed in subsequent patch).
3719         * layout.h (class Free_list): New class.
3720         (Layout::set_incremental_base): New function.
3721         (Layout::incremental_base): New function.
3722         (Layout::init_fixed_output_section): New function.
3723         (Layout::allocate): New function.
3724         (Layout::incremental_base_): New data member.
3725         (Layout::free_list_): New data member.
3726         * main.cc (main): Print Free_list statistics.
3727         * object.cc (Relobj::finalize_incremental_relocs): Add
3728         clear_counts parameter; clear counts only when clear_counts is set.
3729         (Sized_relobj::Sized_relobj): Initialize new base class.
3730         (Sized_relobj::do_layout): Don't report special sections.
3731         (Sized_relobj::do_for_all_local_got_entries): New function.
3732         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3733         symtab_off to all symbol table offsets.
3734         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3735         * object.h (class Got_offset_list): Move to top of file.
3736         (Object::Object): Allow case where input_file == NULL.
3737         (Object::~Object): Likewise.
3738         (Object::input_file): Assert that input_file != NULL.
3739         (Object::lock): Allow case where input_file == NULL.
3740         (Object::unlock): Likewise.
3741         (Object::is_locked): Likewise.
3742         (Object::token): Likewise.
3743         (Object::release): Likewise.
3744         (Object::is_incremental): New function.
3745         (Object::get_mtime): New function.
3746         (Object::for_all_local_got_entries): New function.
3747         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3748         (Object::set_is_in_system_directory): New function.
3749         (Object::is_in_system_directory): New function.
3750         (Object::do_is_incremental): New function.
3751         (Object::do_get_mtime): New function.
3752         (Object::do_for_all_local_got_entries): New function.
3753         (Object::is_in_system_directory_): New data member.
3754         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3755         (class Sized_relobj_base): New class.
3756         (class Sized_relobj): Derive from Sized_relobj_base.
3757         (class Sized_relobj::Symbols): Redeclare from base class.
3758         (class Sized_relobj::local_got_offset_list): Remove.
3759         (class Sized_relobj::Output_sections): Redeclare from base class.
3760         (class Sized_relobj::do_for_all_local_got_entries): New function.
3761         (class Sized_relobj::write_local_symbols): Add offset parameter.
3762         (class Sized_relobj::local_symbol_offset_): Update comment.
3763         (class Sized_relobj::local_dynsym_offset_): Update comment.
3764         * options.cc (Input_arguments::add_file): Remove const.
3765         * options.h (Input_file_argument::Input_file_argument):
3766         Initialize arg_serial_ (all constructors).
3767         (Input_file_argument::set_arg_serial): New function.
3768         (Input_file_argument::arg_serial): New function.
3769         (Input_file_argument::arg_serial_): New data member.
3770         (Input_arguments::Input_arguments): Initialize file_count_.
3771         (Input_arguments::add_file): Remove const.
3772         (Input_arguments::number_of_input_files): New function.
3773         (Input_arguments::file_count_): New data member.
3774         (Command_line::number_of_input_files): Call
3775         Input_arguments::number_of_input_files.
3776         * output.cc (Output_segment_headers::Output_segment_headers):
3777         Set current size.
3778         (Output_section::Input_section::current_data_size): New function.
3779         (Output_section::Output_section): Initialize new data members.
3780         (Output_section::add_input_section): Don't do merge sections for
3781         an incremental link; allocate space from free list for an
3782         incremental update.
3783         (Output_section::add_output_section_data): Allocate space from
3784         free list for an incremental update.
3785         (Output_section::update_data_size): New function.
3786         (Output_section::set_fixed_layout): New function.
3787         (Output_section::reserve): New function.
3788         (Output_segment::set_section_addresses): Remove const.
3789         (Output_segment::set_section_list_addresses): Remove const; allocate
3790         space from free list for an incremental update.
3791         (Output_segment::set_offset): Adjust size of RELRO segment for an
3792         incremental update.
3793         * output.h (Output_data::current_data_size): Move here from
3794         child classes.
3795         (Output_data::pre_finalize_data_size): New function.
3796         (Output_data::update_data_size): New function.
3797         (Output_section_headers::update_data_size): new function.
3798         (Output_section_data_build::current_data_size): Move to Output_data.
3799         (Output_data_strtab::update_data_size): New function.
3800         (Output_section::current_data_size): Move to Output_data.
3801         (Output_section::set_fixed_layout): New function.
3802         (Output_section::has_fixed_layout): New function.
3803         (Output_section::reserve): New function.
3804         (Output_section::update_data_size): New function.
3805         (Output_section::has_fixed_layout_): New data member.
3806         (Output_section::free_list_): New data member.
3807         (Output_segment::set_section_addresses): Remove const.
3808         (Output_segment::set_section_list_addresses): Remove const.
3809         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3810         New function.
3811         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3812         New function.
3813         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3814         parameter when calling Add_symbols constructor; store argument
3815         serial number for members of a lib group.
3816         (Add_symbols::locks): Allow case where token == NULL.
3817         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3818         (Read_member::~Read_member): New function.
3819         (Read_member::is_runnable): New function.
3820         (Read_member::locks): New function.
3821         (Read_member::run): New function.
3822         (Check_script::~Check_script): New function.
3823         (Check_script::is_runnable): New function.
3824         (Check_script::locks): New function.
3825         (Check_script::run): New function.
3826         (Check_library::~Check_library): New function.
3827         (Check_library::is_runnable): New function.
3828         (Check_library::locks): New function.
3829         (Check_library::run): New function.
3830         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3831         (Add_symbols::library_): New data member.
3832         (class Read_member): New class.
3833         (class Check_script): New class.
3834         (class Check_library): New class.
3835         * reloc.cc (Read_relocs::is_runnable): Allow case where
3836         token == NULL.
3837         (Read_relocs::locks): Likewise.
3838         (Scan_relocs::locks): Likewise.
3839         (Relocate_task::locks): Likewise.
3840         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3841         to clear counters.
3842         (Sized_relobj::incremental_relocs_scan): Fix comment.
3843         (Sized_relobj::do_relocate): Pass output file offset to
3844         write_local_symbols.
3845         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3846         from class declaration.
3847         * script.cc (read_input_script): Allocate Script_info; pass
3848         argument serial number to report_script.
3849         * script.h (class Script_info): Move to incremental.h.
3850         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3851         * symtab.h (Symbol_table::add_from_incrobj): New function.
3852         (Symbol_table::set_file_offset): New function.
3853
3854 2011-04-05  Cary Coutant  <ccoutant@google.com>
3855
3856         * incremental-dump.cc (dump_incremental_inputs): Change signature
3857         to take a Sized_incremental_binary; change caller.  Use readers
3858         in Sized_incremental_binary.
3859         * incremental.cc
3860         (Sized_incremental_binary::find_incremental_inputs_sections):
3861         Rename do_find_incremental_inputs_sections to this.
3862         (Sized_incremental_binary::setup_readers): New function.
3863         (Sized_incremental_binary::do_check_inputs): Check
3864         has_incremental_info_ flag; move setup code to setup_readers;
3865         use input readers.
3866         (Sized_incremental_binary::do_file_is_unchanged): New function.
3867         (Sized_incremental_binary::do_get_input_reader): New function.
3868         * incremental.h (class Incremental_binary): Move to end of file.
3869         (Incremental_binary::file_is_unchanged): New function.
3870         (Incremental_binary::do_file_is_unchanged): New function.
3871         (Incremental_binary::Input_reader): New class.
3872         (Incremental_binary::get_input_reader): New function.
3873         (class Sized_incremental_binary): Move to end of file.
3874         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3875         input section reader classes.
3876         (Sized_incremental_binary::has_incremental_info): New function.
3877         (Sized_incremental_binary::inputs_reader): New function.
3878         (Sized_incremental_binary::symtab_reader): New function.
3879         (Sized_incremental_binary::relocs_reader): New function.
3880         (Sized_incremental_binary::got_plt_reader): New function.
3881         (Sized_incremental_binary::do_file_is_unchanged): New function.
3882         (Sized_incremental_binary::Sized_input_reader): New class.
3883         (Sized_incremental_binary::get_input_reader): New function.
3884         (Sized_incremental_binary::find_incremental_inputs_sections):
3885         Rename do_find_incremental_inputs_sections to this.
3886         (Sized_incremental_binary::setup_readers): New function.
3887         (Sized_incremental_binary::has_incremental_info_): New data member.
3888         (Sized_incremental_binary::inputs_reader_): New data member.
3889         (Sized_incremental_binary::symtab_reader_): New data member.
3890         (Sized_incremental_binary::relocs_reader_): New data member.
3891         (Sized_incremental_binary::got_plt_reader_): New data member.
3892         (Sized_incremental_binary::current_input_file_): New data member.
3893
3894 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3895
3896         PR gold/12640
3897         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3898         violation.
3899
3900 2011-03-30  Cary Coutant  <ccoutant@google.com>
3901
3902         * archive.cc (Archive::include_member): Adjust call to report_object.
3903         (Add_archive_symbols::run): Add script_info to call to
3904         report_archive_begin.
3905         (Lib_group::include_member): Adjust call to report_object.
3906         (Add_lib_group_symbols::run): Adjust call to report_object.
3907         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3908         blocks.  Add object count for script input files.
3909         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3910         script_info parameter; change all callers.
3911         (Incremental_inputs::report_object): Add script_info parameter;
3912         change all callers.
3913         (Incremental_inputs::report_script): Store backpointer to
3914         incremental info entry.
3915         (Output_section_incremental_inputs::set_final_data_size): Record
3916         additional information for scripts.
3917         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3918         * incremental.h (Incremental_script_entry::add_object): New function.
3919         (Incremental_script_entry::get_object_count): New function.
3920         (Incremental_script_entry::get_object): New function.
3921         (Incremental_script_entry::objects_): New data member; adjust
3922         constructor.
3923         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3924         (Incremental_inputs::report_object): Add script_info parameter.
3925         (Incremental_inputs_reader::get_object_count): New function.
3926         (Incremental_inputs_reader::get_object_offset): New function.
3927         * options.cc (Input_arguments::add_file): Return reference to
3928         new input argument.
3929         * options.h (Input_argument::set_script_info): New function.
3930         (Input_argument::script_info): New function.
3931         (Input_argument::script_info_): New data member; adjust all
3932         constructors.
3933         (Input_file_group::add_file): Return reference to new input argument.
3934         (Input_file_lib::add_file): Likewise.
3935         (Input_arguments::add_file): Likewise.
3936         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3937         * script.cc (Parser_closure::Parser_closure): Add script_info
3938         parameter; adjust all callers.
3939         (Parser_closure::script_info): New function.
3940         (Parser_closure::script_info_): New data member.
3941         (read_input_script): Report scripts earlier to incremental info.
3942         (script_add_file): Set script_info in Input_argument.
3943         (script_add_library): Likewise.
3944         * script.h (Script_options::Script_info): Rewrite class.
3945
3946 2011-03-29  Cary Coutant  <ccoutant@google.com>
3947
3948         * archive.cc (Library_base::should_include_member): Move
3949         method here from class Archive.
3950         (Archive::Archive): Initialize base class.
3951         (Archive::should_include_member): Move to base class.
3952         (Archive::do_for_all_unused_symbols): New function.
3953         (Add_archive_symbols::run): Remove redundant access to
3954         incremental_inputs.
3955         (Lib_group::Lib_group): Initialize base class.
3956         (Lib_group::do_filename): New function.
3957         (Lib_group::include_member): Pass pointer to Lib_group to
3958         report_object.
3959         (Lib_group::do_for_all_unused_symbols): New function.
3960         (Add_lib_group_symbols::run): Report archive information for
3961         incremental links.
3962         * archive.h (class Library_base): New base class.
3963         (class Archive): Derive from Library_base.
3964         (Archive::filename): Move to base class.
3965         (Archive::set_incremental_info): Likewise.
3966         (Archive::incremental_info): Likewise.
3967         (Archive::Should_include): Likewise.
3968         (Archive::should_include_member): Likewise.
3969         (Archive::Armap_entry): Remove.
3970         (Archive::Unused_symbol_iterator): Remove.
3971         (Archive::unused_symbols_begin): Remove.
3972         (Archive::unused_symbols_end): Remove.
3973         (Archive::do_filename): New function.
3974         (Archive::do_get_mtime): New function.
3975         (Archive::do_for_all_unused_symbols): New function.
3976         (Archive::task_): Move to base class.
3977         (Archive::incremental_info_): Likewise.
3978         (class Lib_group): Derive from Library_base.
3979         (Lib_group::do_filename): New function.
3980         (Lib_group::do_get_mtime): New function.
3981         (Lib_group::do_for_all_unused_symbols): New function.
3982         (Lib_group::task_): Move to base class.
3983         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3984         function.
3985         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3986         function.
3987         * incremental.cc (Incremental_inputs::report_archive_begin):
3988         Use Library_base; call library's get_mtime; add incremental inputs
3989         entry before members.
3990         (class Unused_symbol_visitor): New class.
3991         (Incremental_inputs::report_archive_end): Use Library_base; use
3992         visitor class to record unused symbols; don't add incremental inputs
3993         entry after members.
3994         (Incremental_inputs::report_object): Use Library_base.
3995         * incremental.h
3996         (Incremental_archive_entry::Incremental_archive_entry): Remove
3997         unused Archive parameter.
3998         (Incremental_inputs::report_archive_begin): Use Library_base.
3999         (Incremental_inputs::report_archive_end): Likewise.
4000         (Incremental_inputs::report_object): Likewise.
4001         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4002         function.
4003         * object.h (Object::for_all_global_symbols): New function.
4004         (Object::do_for_all_global_symbols): New function.
4005         (Sized_relobj::do_for_all_global_symbols): New function.
4006         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4007         function.
4008         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4009         function.
4010
4011 2011-03-27  Ian Lance Taylor  <iant@google.com>
4012
4013         * archive.cc (Archive::interpret_header): Return -1 if something
4014         goes wrong.  Change callers accordingly.
4015
4016 2011-03-25  Cary Coutant  <ccoutant@google.com>
4017
4018         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4019         * testsuite/Makefile.in: Regenerate.
4020
4021 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4022
4023         * plugin.cc (get_view): New.
4024         (Plugin::load): Pass get_view to the plugin.
4025         (Plugin_manager::get_view): New.
4026
4027 2011-03-21  Ian Lance Taylor  <iant@google.com>
4028
4029         * testsuite/final_layout.sh: Rewrite to not use dc.
4030         * testsuite/relro_test.sh: Fail if dc is not present.
4031
4032 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4033
4034         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4035         Change == to -eq.
4036         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4037         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4038         Change == to -eq.
4039         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4040         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4041
4042 2011-03-14  Ian Lance Taylor  <iant@google.com>
4043
4044         * script-sections.cc (Sort_output_sections::script_compare):
4045         Rename from is_before, change return type.
4046         (Sort_output_sections::operator()): Adjust accordingly.
4047
4048 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4049
4050         PR gold/12572
4051         * testsuite/odr_violation2.cc: Add comment to make all error line
4052         numbers double digits.
4053         * testsuite/debug_msg.sh: Adjust expected errors.
4054
4055 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4056
4057         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4058         but mark earlier ones as non-canonical
4059         (offset_to_iterator): Update search target and example
4060         (do_addr2line): Return extra lines in a vector*
4061         (format_file_lineno): Extract from do_addr2line
4062         (one_addr2line): Add vector* out-param
4063         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4064         when a lineno entry appeared last for its instruction
4065         (Dwarf_line_info): Add vector* out-param
4066         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4067         * symtab.cc (Odr_violation_compare): Include the lineno in the
4068         comparison again.
4069         (linenos_from_loc): New. Combine the canonical line for an
4070         address with its other lines.
4071         (True_if_intersect): New. Helper functor to make
4072         std::set_intersection a query.
4073         (detect_odr_violations): Compare sets of lines instead of just
4074         one line for each function. This became less deterministic, but
4075         has fewer false positives.
4076         * symtab.h: Declarations.
4077         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4078         mix an optimized and non-optimized object in the same binary
4079         (odr_violation2.so): Same.
4080         * testsuite/Makefile.in: Regenerate from Makefile.am.
4081         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4082         * testsuite/debug_msg.sh: Update line numbers and add
4083         assertions.
4084         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4085         non-optimized context.
4086         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4087         isn't inlined, and use OdrDerived in an optimized context.
4088         * testsuite/odr_header1.h: Defines OdrDerived, where
4089         optimization will change the
4090         first-instruction-in-the-destructor's file and line number.
4091         * testsuite/odr_header2.h: Defines OdrBase.
4092
4093 2011-03-09  Ian Lance Taylor  <iant@google.com>
4094
4095         * fileread.cc (File_read::clear_views): Don't delete the whole
4096         file view.
4097
4098 2011-03-08  Ian Lance Taylor  <iant@google.com>
4099
4100         PR gold/12525
4101         * fileread.cc: #include <climits>.
4102         (GOLD_IOV_MAX): Define.
4103         (File_read::read_multiple): Limit number of entries by iov_max.
4104         * fileread.h (class File_read): Always set max_readv_entries to
4105         128.
4106
4107 2011-03-07  Ian Lance Taylor  <iant@google.com>
4108
4109         PR gold/12525
4110         * options.h (class General_options): Add -dy and -dn.
4111
4112 2011-03-02  Cary Coutant  <ccoutant@google.com>
4113
4114         * testsuite/script_test_9.t: Add TLS segment.
4115
4116 2011-03-02  Simon Baldwin  <simonb@google.com>
4117
4118         * configure.ac: Add check for gnu_indirect_function support in
4119         the toolchain building binutils.
4120         * configure: Rebuild.
4121
4122 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4123
4124         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4125         plugin only symbols.
4126         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4127         in plugin files as not needed in the symbol table.
4128
4129 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4130
4131         * output.cc (Output_section::add_input_section): Delay fill
4132         generation for section ordering.
4133
4134 2011-02-09  Ian Lance Taylor  <iant@google.com>
4135
4136         PR gold/12316
4137         * object.h (class Sized_relobj): Remove clear_local_symbols.
4138         * reloc.cc (Sized_relobj::do_relocate): Don't call
4139         clear_local_symbols.
4140
4141 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4142
4143         * plugin.cc (is_visible_from_outside): Return true for symbols
4144         in the -u option.
4145
4146 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4147
4148         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4149         filename.
4150
4151 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4152
4153         * icf.h (is_section_foldable_candidate): Change type of parameter
4154         to std::string.
4155         * icf.cc (Icf::find_identical_sections): Change type of local variable
4156         section_name to be std::string.
4157         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4158
4159 2011-01-25  Ian Lance Taylor  <iant@google.com>
4160
4161         * script.cc (script_add_extern): Rewrite to use
4162         add_symbol_reference.
4163
4164 2011-01-25  Doug Kwan  <dougkwan@google.com>
4165
4166         * icf.cc (get_section_contents): Always lock section's object.
4167
4168 2011-01-24  Ian Lance Taylor  <iant@google.com>
4169
4170         * options.h (class General_options): Accept
4171         --no-detect-odr-violations.
4172
4173 2011-01-24  Ian Lance Taylor  <iant@google.com>
4174
4175         * version.cc (version_string): Bump to 1.11.
4176
4177 2011-01-24  Ian Lance Taylor  <iant@google.com>
4178
4179         * plugin.cc (class Plugin_rescan): Define new class.
4180         (Plugin_manager::claim_file): Set any_claimed_.
4181         (Plugin_manager::save_archive): New function.
4182         (Plugin_manager::save_input_group): New function.
4183         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4184         necessary.
4185         (Plugin_manager::new_undefined_symbol): New function.
4186         (Plugin_manager::rescan): New function.
4187         (Plugin_manager::rescannable_defines): New function.
4188         (Plugin_manager::add_input_file): Set any_added_.
4189         * plugin.h (class Plugin_manager): define new fields rescannable_,
4190         undefined_symbols_, any_claimed_, and any_added_.  Declare
4191         Plugin_rescan as friend.  Declare new functions.
4192         (Plugin_manager::Rescannable): Define type.
4193         (Plugin_manager::Rescannable_list): Define type.
4194         (Plugin_manager::Undefined_symbol_list): Define type.
4195         (Plugin_manager::Plugin_manager): Initialize new fields.
4196         * archive.cc (Archive::defines_symbol): New function.
4197         (Add_archive_symbols::run): Pass archive to plugins if any.
4198         * archive.h (class Archive): Declare defines_symbol.
4199         * readsyms.cc (Input_group::~Input_group): New function.
4200         (Finish_group::run): Pass input_group to plugins if any.
4201         * readsyms.h (class Input_group): Declare destructor.
4202         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4203         any.
4204
4205 2011-01-10  Ian Lance Taylor  <iant@google.com>
4206
4207         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4208         section as relro.
4209         (Layout::set_segment_offsets): Reset increase_relro before calling
4210         set_section_addresses a second time.
4211
4212 2011-01-04  Cary Coutant  <ccoutant@google.com>
4213
4214         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4215         sections before NOBITS sections.
4216
4217 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4218
4219         * version.cc (print_version): Update copyright to 2011.
4220
4221 2010-12-23  Cary Coutant  <ccoutant@google.com>
4222
4223         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4224         of OS to this->add.  Add OD parameter to second form of the function.
4225
4226 2010-12-20  Ian Lance Taylor  <iant@google.com>
4227
4228         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4229         second of two consecutive entries with same offset.
4230
4231 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4232
4233         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4234         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4235         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4236         to avoid unneeded links against $(LDADD).
4237         * testsuite/Makefile.in: Regenerate.
4238
4239 2010-12-15  Ian Lance Taylor  <iant@google.com>
4240
4241         PR gold/12324
4242         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4243         for R_X86_64_32 and R_X86_64_PC32.
4244         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4245         ver_matching_def_pic.o.
4246         (ver_matching_def_pic.o): New target.
4247
4248 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4249
4250         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4251         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4252         Move definition before File_read::View member definitions.
4253         (File_read::View::~View): Initialize and hold lock before
4254         updating current_mapped_bytes.
4255
4256 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4257
4258         * dwarf_reader.cc: Remove outdated comment.
4259         * gold-threads.cc: Fix typo in error message.
4260         * archive.cc: Fix typos in comments.
4261         * archive.h: Likewise.
4262         * arm-reloc-property.cc: Likewise.
4263         * arm-reloc-property.h: Likewise.
4264         * arm-reloc.def: Likewise.
4265         * arm.cc: Likewise.
4266         * attributes.h: Likewise.
4267         * cref.cc: Likewise.
4268         * ehframe.cc: Likewise.
4269         * fileread.h: Likewise.
4270         * gold.h: Likewise.
4271         * i386.cc: Likewise.
4272         * icf.cc: Likewise.
4273         * incremental.h: Likewise.
4274         * int_encoding.cc: Likewise.
4275         * layout.h: Likewise.
4276         * main.cc: Likewise.
4277         * merge.h: Likewise.
4278         * object.cc: Likewise.
4279         * object.h: Likewise.
4280         * options.cc: Likewise.
4281         * readsyms.cc: Likewise.
4282         * reduced_debug_output.cc: Likewise.
4283         * reloc.cc: Likewise.
4284         * script-sections.cc: Likewise.
4285         * sparc.cc: Likewise.
4286         * symtab.h: Likewise.
4287         * target-reloc.h: Likewise.
4288         * target.cc: Likewise.
4289         * target.h: Likewise.
4290         * timer.cc: Likewise.
4291         * timer.h: Likewise.
4292         * x86_64.cc: Likewise.
4293
4294 2010-12-09  Cary Coutant  <ccoutant@google.com>
4295
4296         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4297         stack.
4298         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4299         parameter; change all callers.
4300         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4301         * options.h (warn_execstack): New option.
4302
4303 2010-12-07  Doug Kwan  <dougkwan@google.com>
4304
4305         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4306         like function call relocations.
4307
4308 2010-12-07  Ian Lance Taylor  <iant@google.com>
4309
4310         * archive.cc (Archive::get_elf_object_for_member): Permit
4311         punconfigured to be NULL.
4312         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4313         (Archive::include_member): Pass NULL to get_elf_object_for_member
4314         if we searched for the archive and this is the first included
4315         object.
4316
4317 2010-12-01  Ian Lance Taylor  <iant@google.com>
4318
4319         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4320         track_relocs_type_ field.
4321         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4322         Set track_relocs_type_.
4323         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4324         contents when using RELA relocs.
4325         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4326         reloc_map_.
4327         * reloc.cc (Track_relocs::next_addend): New function.
4328         * reloc.h (class Track_relocs): Declare next_addend.
4329
4330 2010-12-01  Ian Lance Taylor  <iant@google.com>
4331
4332         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4333         virtual destructor.
4334
4335 2010-12-01  Ian Lance Taylor  <iant@google.com>
4336
4337         * README: Update compilers known to work and fail.
4338
4339 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4340
4341         * configure.in: For --enable-gold, handle value `default' instead of
4342         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4343         not the default.
4344         * configure: Regenerate.
4345
4346 2010-11-18  Doug Kwan  <dougkwan@google.com>
4347
4348         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4349         and right_alignment to be zero.  Store result alignment only if it is
4350         greater than existing alignment.
4351
4352 2010-11-16  Cary Coutant  <ccoutant@google.com>
4353
4354         PR gold/12220
4355         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4356         Check for ".zdebug_line".
4357
4358 2010-11-16  Doug Kwan  <dougkwan@google.com>
4359             Cary Coutant  <ccoutant@google.com>
4360
4361         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4362         by reference; adjust all callers.
4363         * output.cc (Output_segment::set_section_addresses): Adjust references
4364         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4365         list is empty.
4366         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4367         end at page boundary.
4368
4369 2010-11-16  Cary Coutant  <ccoutant@google.com>
4370
4371         PR gold/12220
4372         * layout.cc (Layout::choose_output_section): Transform names of
4373         compressed sections even when using a script with a SECTIONS clause.
4374         (Layout::output_section_name): Remove code to transform
4375         compressed debug section names.
4376         * output.cc (Output_section::add_input_section): Use uncompressed
4377         section size when tracking input sections.
4378
4379 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4380
4381         * symtab.h (Symbol::NON_PIC_REF): Remove.
4382         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4383         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4384         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4385         (Symbol::use_plt_offset): Take a flags argument and pass it
4386         directly to needs_dynamic_reloc.  Restrict check for undefined
4387         weak symbols to function calls.
4388         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4389         (Target_arm::Scan::global): Use it.
4390         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4391         (Target_arm::Relocate::relocate): Likewise.
4392         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4393         parameter with an r_type parameter.  Use get_reference_flags
4394         to get the flags.
4395         (Target_arm::Relocate::relocate): Update accordingly.
4396         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4397         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4398         (Target_i386::Scan::global): Likewise.
4399         (Target_i386::Relocate::relocate): Likewise.
4400         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4401         parameter with an r_type parameter.  Use get_reference_flags
4402         to get the flags.
4403         (Target_i386::Relocate::relocate): Update accordingly.
4404         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4405         (Target_powerpc::Scan::global): Use it.
4406         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4407         (Target_powerpc::Relocate::relocate): Likewise.
4408         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4409         (Target_sparc::Scan::global): Use it.
4410         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4411         (Target_sparc::Relocate::relocate): Likewise.
4412         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4413         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4414         (Target_x86_64::Scan::global): Likewise.
4415         (Target_x86_64::Relocate::relocate): Likewise.
4416
4417 2010-11-08  Doug Kwan  <dougkwan@google.com>
4418             Cary Coutant  <ccoutant@google.com>
4419
4420         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4421         (Arm_exidx_merge_section::section_contents_): New data member.
4422         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4423         (Arm_input_section::~Arm_input_section): De-allocate memory.
4424         (Arm_input_section::original_contents_): New data member.
4425         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4426         in parameters instead of calling Object::section_contents without
4427         locking.
4428         (Arm_output_section::group_section): New parameter TASK.  Pass it
4429         to callees that need locking objects.
4430         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4431         to lock EXIDX input sections.  Fix a formatting issue.  Call
4432         Arm_exidx_merged_section::build_contents to create merged section
4433         contents.
4434         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4435         to lock object of stub table owner.
4436         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4437         TEXT_SIZE to initialize data member TEXT_SIZE_.
4438         (Arm_exidx_input_section::addralign): Fix typo in comment.
4439         (Arm_exidx_input_section::text_size): New method.
4440         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4441         that require locking objects.  Lock objects before scanning for stubs
4442         and updating local symbols.
4443         (Arm_input_section<big_endian>::init): Copy contents of original
4444         input section.
4445         (Arm_input_section<big_endian>::do_write): Use saved contents of
4446         original input section instead of calling Object::section_contents
4447         without locking.
4448         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4449         size without calling Object::section_size().
4450         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4451         for size.  Allocate a buffer for merged EXIDX entries.
4452         (Arm_exidx_merged_section::build_contents): New method.
4453         (Arm_exidx_merged_section::do_write): Move merge section contents
4454         building code to Arm_exidx_merged_section::build_contetns.  Write
4455         out contetns in buffer instead of building it on the fly.
4456         (Arm_relobj::make_exidx_input_section): Also pass text section size
4457         to Arm_exidx_input_section constructor.
4458         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4459         (Arm_dynobj::do_read_symbols): Fix memory leak.
4460         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4461         * target.h: (class Task): Add forward declaration.
4462         (Target::relax): Add new parameter TASK and pass it to
4463         Target::do_relax().
4464         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4465
4466 2010-11-05  Cary Coutant  <ccoutant@google.com>
4467
4468         PR gold/10708
4469         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4470         object when reading from the file.
4471         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4472         second layout pass.
4473         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4474         when reading section contents.
4475         (get_section_contents): Likewise.
4476         (icf::find_identical_sections): Likewise.
4477         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4478         object when reading from the file.
4479         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4480         the object when doing deferred section layout.
4481
4482 2010-11-03  Nick Clifton  <nickc@redhat.com>
4483
4484         PR gold/12001
4485         * script.h (class Symbol_assignment: name): New member.  Returns
4486         the name of the symbol.
4487         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4488         Returns true if the given symbol name is on the list of
4489         assignments wating to be processed.
4490         * archive.cc (should_incldue_member): If the symbol is undefined,
4491         check to see if it is on the list of symbols pending assignment.
4492
4493 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4494
4495         * script-sections.cc (Script_sections::find_memory_region): Check
4496         for a NULL output section pointer.
4497
4498 2010-10-29  Doug Kwan  <dougkwan@google.com>
4499
4500         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4501         Output_section::add_relaxed_input_section.
4502         * output.cc (Output_section::add_relaxed_input_section): Add new
4503         arguments LAYOUT and NAME.  Set section order index.
4504         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4505         Copy section order index.
4506         * output.h (Output_section::add_relaxed_input_section): Add new
4507         arguments LAYOUT and NAME.
4508
4509 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4510
4511         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4512         NATIVE_OR_CROSS_LINKER.
4513         * testsuite/Makefile.in: Regenerate.
4514
4515 2010-10-20  Doug Kwan  <dougkwan@google.com>
4516
4517         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4518         without SHF_LINK_ORDER flags.
4519         * layout.cc (Layout::choose_output_section): Do not filter
4520         SHF_LINK_ORDER flag in a relocatable link.
4521
4522 2010-10-17  Cary Coutant  <ccoutant@google.com>
4523
4524         * output.h (Output_segment::set_section_addresses): Change function
4525         signature.  Update all callers.
4526         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4527         sections.
4528         (Output_segment::set_section_addresses): Align after last TLS
4529         section.  Add padding before last relro section instead of after.
4530
4531 2010-10-17  Doug Kwan  <dougkwan@google.com>
4532
4533         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4534         GOT output section to be writable.
4535
4536 2010-10-14  Cary Coutant  <ccoutant@google.com>
4537
4538         * debug.h (DEBUG_INCREMENTAL): New flag.
4539         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4540         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4541         mode.
4542         * incremental.cc (report_command_line): Ignore all forms of
4543         --incremental.
4544         * layout.cc (Layout::Layout): Check parameters for incremental link
4545         mode.
4546         * options.cc (General_options::parse_incremental): New function.
4547         (General_options::parse_no_incremental): New function.
4548         (General_options::parse_incremental_full): New function.
4549         (General_options::parse_incremental_update): New function.
4550         (General_options::incremental_mode_): New data member.
4551         (General_options::finalize): Check incremental_mode_.
4552         * options.h (General_options): Update help text for --incremental.
4553         Add --no-incremental, --incremental-full, --incremental-update.
4554         (General_options::Incremental_mode): New enum type.
4555         (General_options::incremental_mode): New function.
4556         (General_options::incremental_mode_): New data member.
4557         * parameters.cc (Parameters::incremental_mode_): New data member.
4558         (Parameters::set_options): Set incremental_mode_.
4559         (Parameters::set_incremental_full): New function.
4560         (Parameters::incremental): New function.
4561         (Parameters::incremental_update): New function.
4562         (set_parameters_incremental_full): New function.
4563         * parameters.h (Parameters::set_incremental_full): New function.
4564         (Parameters::incremental): New function.
4565         (Parameters::incremental_update): New function.
4566         (Parameters::incremental_mode_): New data member.
4567         (set_parameters_incremental_full): New function.
4568         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4569         incremental link mode.
4570         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4571         (Sized_relobj::do_relocate_sections): Likewise.
4572         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4573         option.
4574         * testsuite/Makefile.in: Regenerate.
4575         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4576
4577 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4578
4579         * script-sections.h (class Script_sections): Make
4580         Sections_elements typedef public.
4581         * script-sections.cc (class Sort_output_sections): Add elements_
4582         field.  Add constructor which sets it; change all callers.
4583         (Sort_output_sections::is_before): New function.
4584         (Sort_output_sections::operator()): Call is_before.
4585         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4586         conditional.
4587         * testsuite/script_test_10.sh: New test. Test script section
4588         order.
4589         * testsuite/script_test_10.t: Likewise.
4590         * testsuite/script_test_10.s: Likewise.
4591         * testsuite/Makefile.am: Wrap the cross linker tests and the
4592         common tests into NATIVE_OR_CROSS_LINKER.
4593         (check_SCRIPTS): Add script_test_10.sh.
4594         (check_DATA): Add script_test_10.stdout.
4595         (script_test_10.o, script_test_10): New targets.
4596         (script_test_10.stdout): New target.
4597         * configure, testsuite/Makefile.in: Regenerate.
4598
4599 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4600
4601         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4602         error for the deprecated relocations.
4603         (Target_arm::Scan::global): Likewise.
4604         (Target_arm::Relocate::relocate): Likewise.
4605
4606 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4607
4608         * fileread.cc (Input_file::find_file): Initialize *found_name
4609         and *namep when using the fallback search for case 4.
4610
4611 2010-10-11  Cary Coutant  <ccoutant@google.com>
4612
4613         * options.h (class General_options): Redefine -z lazy as an alias for
4614         the negation of -z now.
4615
4616 2010-10-11  Ian Lance Taylor  <iant@google.com>
4617
4618         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4619         binding.
4620
4621 2010-10-06  Nick Clifton  <nickc@redhat.com>
4622
4623         * script-sections.cc(class Memory_region): Remove
4624         current_lma_offset_ field.  Rename current_vma_offset_ to
4625         current_offset_.  Add last_section_ field.
4626         (Memory_region::get_current_vma_address): Rename to
4627         get_current_address.
4628         (Memory_region::get_current_lma_address): Delete.
4629         (Memory_region::increment_vma_offset): Rename to
4630         increment_offset.
4631         (Memory_region::increment_lma_offset): Delete.
4632         (Memory_region::attributes_compatible): New method.  Returns
4633         true if the provided section is compatible with the region.
4634         (Memory_region::get_last_section): New method.  Returns the last
4635         section to use the region.
4636         (Memory_region::set_last_section): New method.  Stores the last
4637         section to use the region.
4638         (Script_sections::block_in_region): New method.  Returns true if
4639         a block of memory is contained within a region.
4640         (Script_sections::find_memory_region): New method.  Locates a
4641         memory region to be used to set a VMA or LMA address.
4642         (Output_section_definition::set_section_addresses): Add code to
4643         check for addresses set by memory regions.
4644         (Output_segment::set_section_addresses): Remove memory region
4645         walking code.
4646         (Script_sections::create_segment): Add a warning if a header
4647         segment is created outside of any region.
4648         * script-sections.h (class Script_sections): Add prototypes for
4649         find_memory_region and block_in_region methods.
4650         * testsuite/memory_test.s: Use .long instead of .word.
4651         * testsuite/memory_test.t: Add some more output sections.
4652         * testsuite/memory_test.sh: Update expected output.
4653
4654 2010-10-02  Doug Kwan  <dougkwan@google.com>
4655
4656         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4657         defintion to symtab.h
4658         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4659         declaration to defintion.
4660
4661 2010-10-01  Nick Clifton  <nickc@redhat.com>
4662
4663         * expression.cc (eval): Replace dummy argument with NULL.
4664         (eval_maybe_dot): Check for a NULL result section pointer.
4665         (Symbol_expression::value): Likewise.
4666         (Dot_expression::value): Likewise.
4667         (BINARY_EXPRESSION): Likewise.
4668         (Max_expression::value): Likewise.
4669         (Min_expression::value): Likewise.
4670         (Absolute_expression::value): Likewise.
4671         (Addr_expression::value_from_output_section): Likewise.
4672         (Loaddddr_expression::value_from_output_section): Likewise.
4673         (Segment_start_expression::value): Likewise.
4674         * script-sections.cc
4675         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4676         argument with NULL.
4677         (Sections_elememt_dot_assignment::set_section_addresses):
4678         Likewise.
4679         (Output_data_expression::do_write_to_buffer): Likewise.
4680         (Output_section_definition::finalize_symbols): Likewise.
4681         (Output_section_definition::set_section_addresses): Likewise.
4682
4683 2010-09-30  Doug Kwan  <dougkwan@google.com>
4684
4685         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4686
4687 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4688
4689         * target.h (Target::can_icf_inline_merge_sections): New virtual
4690         function.
4691         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4692         virtual function.
4693         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4694         virtual function.
4695         * icf.cc (get_section_contents): Inline merge sections only when
4696         target allows it.
4697
4698 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4699
4700         * configure: Regenerate.
4701
4702 2010-09-17  Ian Lance Taylor  <iant@google.com>
4703
4704         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4705         * testsuite/Makefile.am (memory_test.o): New target.
4706         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4707         memory_test.t.
4708         * testsuite/Makefile.in: Rebuild.
4709
4710 2010-09-17  Doug Kwan  <dougkwan@google.com>
4711
4712         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4713         defintion if relocation uses GOT entries of the symbol.
4714         * testsuite/icf_safe_test.sh: Fix test.
4715         * testsuite/icf_safe_so_test.sh: Fix test.
4716
4717 2010-09-16  Cary Coutant  <ccoutant@google.com>
4718
4719         * script_sections.cc (class Memory_region): Remove "NULL" from
4720         vector initializations.
4721
4722 2010-09-15  Cary Coutant  <ccoutant@google.com>
4723
4724         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4725         Resolve forwarding symbols.
4726
4727 2010-09-15  Doug Kwan  <dougkwan@google.com>
4728
4729         * gold/testsuite/script_test_3.t: Add ARM special sections.
4730         * gold/testsuite/script_test_4.t: Same.
4731         * gold/testsuite/script_test_5.t: Same.
4732         * gold/testsuite/script_test_6.t: Same.
4733         * gold/testsuite/script_test_7.t: Same.
4734         * gold/testsuite/script_test_7.t: Same.
4735         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4736
4737 2010-09-14  Cary Coutant  <ccoutant@google.com>
4738
4739         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4740         (Target_x86_64::Relocate::relocate_tls): Replace check for
4741         saw_tls_block_reloc_ with test for executable section.
4742
4743 2010-09-12  Cary Coutant  <ccoutant@google.com>
4744
4745         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4746         position-independent executables to shared libraries need dynamic
4747         relocations.
4748         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4749         position-independent executables.
4750         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4751         * testsuite/Makefile.in: Regenerate.
4752
4753 2010-09-10  Nick Clifton  <nickc@redhat.com>
4754
4755         PR gold/11997
4756         * testsuite/memory_test.t: Discard any sections that are not
4757         needed.
4758
4759 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4760
4761         PR gold/11996
4762         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4763         "This::" to work around a bug in gcc 4.2.
4764
4765         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4766
4767 2010-09-09  Rafael Espindola  <espindola@google.com>
4768
4769         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4770         sections with different PF_X flags in the same segment.
4771         (Layout::find_first_load_seg): Search all segments to find the first
4772         one.
4773         * options.h (rosegment): New.
4774
4775 2010-09-08  Rafael Espindola  <espindola@google.com>
4776
4777         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4778
4779 2010-09-08  Doug Kwan  <dougkwan@google.com>
4780
4781         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4782         (Arm_relobj::do_relocate_sections): Add new parameter for output
4783         file to match the parent.
4784         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4785         of local symbols instead of input values.  Update code to track
4786         changes in gold::relocate_section.
4787         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4788         (Sized_relobj::compute_final_local_value_internal): New methods.
4789         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4790         body into private version of Sized_relobj::compute_final_local_value.
4791         Call the inline method.
4792         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4793         merged symbol value if there is one.
4794         (Symbol_value::has_output_value): New method defintiion.
4795         (Sized_relobj::Compute_final_local_value_status): New enum type.
4796         (Sized_relobj::compute_final_local_value): New methods.
4797         (Sized_relobj::compute_final_local_value_internal): New methods.
4798         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4799         and arm_cortex_a8.sh.
4800         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4801         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4802         New tests.
4803         * Makefile.in: Regenerate.
4804         * testsuite/arm_bl_out_of_range.s: Update test.
4805         * testsuite/thumb_bl_out_of_range.s: Ditto.
4806         * testsuite/thumb_blx_out_of_range.s: Ditto.
4807         * testsuite/arm_branch_out_of_range.sh: New file.
4808         * testsuite/arm_cortex_a8.sh: Ditto.
4809         * testsuite/arm_cortex_a8_b.s: Ditto.
4810         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4811         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4812         * testsuite/arm_cortex_a8_bl.s: Ditto.
4813         * testsuite/arm_cortex_a8_blx.s: Ditto.
4814         * testsuite/arm_cortex_a8_local.s: Ditto.
4815         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4816         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4817
4818 2010-09-08  Rafael Espindola  <espindola@google.com>
4819
4820         * Makefile.am (memory_test.stdout): Run readelf with -W.
4821         * Makefile.in: Regenerate.
4822         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4823         64 bit output.
4824
4825 2010-09-08  Rafael Espindola  <espindola@google.com>
4826
4827         * script-sections.cc (Script_sections::add_memory_region): Convert
4828         field precision to int.
4829         * script.cc (script_set_section_region, script_set_section_region):
4830         Convert field precision to int.
4831
4832 2010-09-08  Rafael Espindola  <espindola@google.com>
4833
4834         * arm.cc (do_finalize_sections): Create the __exidx_start and
4835         __exdix_end symbols even when the section is missing.
4836
4837 2010-09-08  Nick Clifton  <nickc@redhat.com>
4838
4839         * README: Remove claim that MEMORY is not supported.
4840         * expression.cc (script_exp_function_origin)
4841         (script_exp_function_length): Move from here to ...
4842         * script.cc: ... here.
4843         (script_set_section_region, script_add_memory)
4844         (script_parse_memory_attr, script_include_directive): New
4845         functions.
4846         * script-sections.cc
4847         (class Memory_region): New class.
4848         (class Output_section_definition): Add set_memory_region,
4849         set_section_vma, set_section_lma and get_section_name methods.
4850         (class Script_Sections): Add add_memory_region,
4851         find_memory_region, find_memory_region_origin,
4852         find_memory_region_length and set_memory_region methods.
4853         Have set_section_addresses method walk the list of set memory
4854         regions.
4855         Extend the print methos to display memory regions.
4856         * script-sections.h: Add prototypes for new methods.
4857         Add enum for MEMORY region attributes.
4858         * yyscript.y: Add support for parsing MEMORY regions.
4859         * script-c.h: Add prototypes for new functions.
4860         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4861         * testsuite/Makefile.in: Regenerate.
4862         * testsuite/memory_test.sh: New script.
4863         * testsuite/memory_test.s: New assembler source file.
4864         * testsuite/memory_test.t: New linker script.
4865
4866 2010-08-27  Doug Kwan  <dougkwan@google.com>
4867
4868         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4869         reference override an existing dynamic weak reference.
4870         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4871         * testsuite/Makefile.in: Regenerate.
4872         * testsuite/dyn_weak_ref.sh: New file.
4873         * testsuite/dyn_weak_ref_1.c: Ditto.
4874         * testsuite/dyn_weak_ref_2.c: Ditto.
4875
4876 2010-08-27  Ian Lance Taylor  <iant@google.com>
4877
4878         * incremental.h (class Incremental_input_entry): Add virtual
4879         destructor.
4880
4881 2010-08-27  Ian Lance Taylor  <iant@google.com>
4882
4883         * testsuite/start_lib_test_3.c: Mark t3 as used.
4884
4885 2010-08-27  Nick Clifton  <nickc@redhat.com>
4886
4887         * options.cc (version_script): Fix small typo in previous
4888         whitespace tidyup.
4889
4890 2010-08-25  Nick Clifton  <nickc@redhat.com>
4891
4892         * archive.cc: Formatting fixes: Remove whitespace between
4893         typename and following asterisk.  Remove whitespace between
4894         function name and opening parenthesis.
4895         * archive.h: Likewise.
4896         * arm.cc: Likewise.
4897         * attributes.cc: Likewise.
4898         * attributes.h: Likewise.
4899         * common.cc: Likewise.
4900         * copy-relocs.cc: Likewise.
4901         * dirsearch.h: Likewise.
4902         * dynobj.cc: Likewise.
4903         * ehframe.cc: Likewise.
4904         * ehframe.h: Likewise.
4905         * expression.cc: Likewise.
4906         * fileread.cc: Likewise.
4907         * fileread.h: Likewise.
4908         * gc.h: Likewise.
4909         * gold-threads.cc: Likewise.
4910         * gold.cc: Likewise.
4911         * i386.cc: Likewise.
4912         * icf.h: Likewise.
4913         * incremental-dump.cc: Likewise.
4914         * incremental.cc: Likewise.
4915         * layout.cc: Likewise.
4916         * layout.h: Likewise.
4917         * main.cc: Likewise.
4918         * merge.cc: Likewise.
4919         * merge.h: Likewise.
4920         * object.cc: Likewise.
4921         * object.h: Likewise.
4922         * options.cc: Likewise.
4923         * options.h: Likewise.
4924         * output.cc: Likewise.
4925         * output.h: Likewise.
4926         * plugin.cc: Likewise.
4927         * plugin.h: Likewise.
4928         * powerpc.cc: Likewise.
4929         * reloc.cc: Likewise.
4930         * script-c.h: Likewise.
4931         * script-sections.cc: Likewise.
4932         * script.cc: Likewise.
4933         * stringpool.cc: Likewise.
4934         * symtab.cc: Likewise.
4935         * symtab.h: Likewise.
4936         * target.cc: Likewise.
4937         * timer.cc: Likewise.
4938         * timer.h: Likewise.
4939         * version.cc: Likewise.
4940         * x86_64.cc: Likewise.
4941
4942 2010-08-24  Nick Clifton  <nickc@redhat.com>
4943
4944         PR 11899
4945         * layout.cc (segment_precedes): Sort segments by their physical
4946         addresses, if they have been set.
4947
4948 2010-08-23  Cary Coutant  <ccoutant@google.com>
4949
4950         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4951         symbols data.
4952         (Lib_group::include_member): Unlock object after deleting its
4953         symbols data.
4954         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4955         the bug fixed here.
4956
4957 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4958             Cary Coutant  <ccoutant@google.com>
4959
4960         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4961         constructor, and set_blocker.
4962         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4963         readsyms_blocker_.
4964         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4965         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4966         * testsuite/Makefile.am (start_lib_test): New test case.
4967         * testsuite/Makefile.in: Regenerate.
4968         * testsuite/start_lib_test_main.c: New file.
4969         * testsuite/start_lib_test_1.c: New file.
4970         * testsuite/start_lib_test_2.c: New file.
4971         * testsuite/start_lib_test_3.c: New file.
4972
4973 2010-08-19  Ian Lance Taylor  <iant@google.com>
4974
4975         * Makefile.in: Rebuild with automake 1.11.1.
4976         * aclocal.m4: Likewise.
4977         * testsuite/Makefile.in: Likewise.
4978
4979 2010-08-19  Ian Lance Taylor  <iant@google.com>
4980
4981         PR 10893
4982         * i386.cc (class Output_data_plt_i386): Update declarations.
4983         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4984         local_ifuncs_ fields.
4985         (Target_i386::do_plt_section_for_global): New function.
4986         (Target_i386::do_plt_section_for_local): New function.
4987         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4988         parameter; change all callers.  Initialize global_ifuncs_ and
4989         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4990         __rel_iplt_end.
4991         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4992         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4993         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4994         symbols.
4995         (Target_i386::make_plt_section): New function, broken out of
4996         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4997         (Target_i386::make_plt_entry): Call make_plt_section.
4998         (Target_i386::make_local_ifunc_plt_entry): New function.
4999         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5000         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5001         R_386_IRELATIVE to switch.
5002         (Target_i386::Scan::global): Likewise.
5003         (Target_i386::Relocate::relocate): Likewise.
5004         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5005         switch.
5006         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5007         (Target_x86_64::do_plt_section_for_global): New function.
5008         (Target_x86_64::do_plt_section_for_local): New function.
5009         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5010         parameter; change all callers.  If doing a static link define
5011         __rela_iplt_start and __rela_iplt_end.
5012         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5013         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5014         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5015         to point to .plt.
5016         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5017         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5018         switch.
5019         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5020         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5021         R_X86_64_IRELATIVE to switch.
5022         (Target_x86_64::Scan::global): Likewise.
5023         (Target_x86_64::Relocate::relocate): Likewise.
5024         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5025         switch.
5026         * target.h (class Target): Add plt_section_for_global and
5027         plt_section_for_local functions.  Add do_plt_section_for_global
5028         and do_plt_section_for_local virtual functions.
5029         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5030         clarifying comments.
5031         (Symbol::use_plt_offset): Handle IFUNC symbol.
5032         * object.cc (Sized_relobj::Sized_relobj): Initialize
5033         local_plt_offsets_.
5034         (Sized_relobj::local_has_plt_offset): New function.
5035         (Sized_relobj::local_plt_offset): New function.
5036         (Sized_relobj::set_local_plt_offset): New function.
5037         (Sized_relobj::do_count): Handle IFUNC symbol.
5038         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5039         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5040         is_ifunc_symbol functions.
5041         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5042         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5043         local_plt_offsets_ field.
5044         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5045         * output.h (class Output_section_data): Add non-const
5046         output_section function.
5047         (class Output_data_got): Update declarations.
5048         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5049         Add use_plt_offset parameter to global and local constructors.
5050         Change all callers.  Change local_sym_index_ field to 31 bits.
5051         Change GSYM_CODE and CONSTANT_CODE accordingly.
5052         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5053         doing a static link don't set sh_link field.
5054         (Output_data_got::Got_entry::write): Use PLT offset if
5055         appropriate.
5056         (Output_data_got::add_global_plt): New function.
5057         (Output_data_got::add_local_plt): New function.
5058         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5059         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5060         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5061         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5062         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5063         IFUNC conditional.
5064         * testsuite/ifunc-sel.h: New file.
5065         * testsuite/ifuncmain1.c: New file.
5066         * testsuite/ifuncmain1vis.c: New file.
5067         * testsuite/ifuncmod1.c: New file.
5068         * testsuite/ifuncdep2.c: New file.
5069         * testsuite/ifuncmain2.c: New file.
5070         * testsuite/ifuncmain3.c: New file.
5071         * testsuite/ifuncmod3.c: New file.
5072         * testsuite/ifuncmain4.c: New file.
5073         * testsuite/ifuncmain5.c: New file.
5074         * testsuite/ifuncmod5.c: New file.
5075         * testsuite/ifuncmain6pie.c: New file.
5076         * testsuite/ifuncmod6.c: New file.
5077         * testsuite/ifuncmain7.c: New file.
5078         * configure, testsuite/Makefile.in: Rebuild.
5079
5080 2010-08-18  Ian Lance Taylor  <iant@google.com>
5081
5082         * incremental.cc
5083         (Output_section_incremental_inputs::write_input_files): Add cast
5084         to avoid signed/unsigned comparison warning.
5085         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5086
5087 2010-08-12  Cary Coutant  <ccoutant@google.com>
5088
5089         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5090
5091 2010-08-13  Ian Lance Taylor  <iant@google.com>
5092
5093         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5094
5095 2010-08-12  Cary Coutant  <ccoutant@google.com>
5096             Doug Kwan  <dougkwan@google.com>
5097
5098         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5099         defintion overrides non-weak undef, remember that the original undef
5100         is not weak.
5101         * symtab.cc (Symbol_table::sized_write_global): For undef without
5102         an original weak binding, set binding to global in output.
5103         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5104         * testsuite/Makefile.in: Regenerate.
5105         * testsuite/strong_ref_weak_def.sh: New file.
5106         * testsuite/strong_ref_weak_def_1.c: Ditto.
5107         * testsuite/strong_ref_weak_def_2.c: Ditto.
5108
5109 2010-08-12  Cary Coutant  <ccoutant@google.com>
5110
5111         * testsuite/incremental_test.sh: Rewrite.
5112         * testsuite/incremental_test_1.c: Rewrite.
5113         * testsuite/incremental_test_2.c: Rewrite.
5114
5115 2010-08-12  Cary Coutant  <ccoutant@google.com>
5116
5117         * arm.cc (Target_arm::got_size): Add const.
5118         (Target_arm::got_entry_count): New function.
5119         (Target_arm::plt_entry_count): New function.
5120         (Target_arm::first_plt_entry_offset): New function.
5121         (Target_arm::plt_entry_size): New function.
5122         (Output_data_plt_arm::entry_count): New function.
5123         (Output_data_plt_arm::first_plt_entry_offset): New function.
5124         (Output_data_plt_arm::get_plt_entry_size): New function.
5125         * i386.cc (Target_i386::got_size): Add const.
5126         (Target_i386::got_entry_count): New function.
5127         (Target_i386::plt_entry_count): New function.
5128         (Target_i386::first_plt_entry_offset): New function.
5129         (Target_i386::plt_entry_size): New function.
5130         (Output_data_plt_i386::entry_count): New function.
5131         (Output_data_plt_i386::first_plt_entry_offset): New function.
5132         (Output_data_plt_i386::get_plt_entry_size): New function.
5133         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5134         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5135         * incremental.cc: Include target.h.
5136         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5137         parameter.  Adjust all callers.  Find incremental_got_plt section.
5138         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5139         section.
5140         (Output_section_incremental_inputs::set_final_data_size): Calculate
5141         size of incremental_got_plt section.
5142         (Output_section_incremental_inputs::do_write): Write the
5143         incremental_got_plt section.
5144         (Got_plt_view_info): New struct.
5145         (Local_got_offset_visitor): New class.
5146         (Global_got_offset_visitor): New class.
5147         (Global_symbol_visitor_got_plt): New class.
5148         (Output_section_incremental_inputs::write_got_plt): New function.
5149         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5150         Add parameter.  Adjust all callers.
5151         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5152         (Incremental_inputs::got_plt_section): New function.
5153         (Incremental_inputs::got_plt_section_): New data member.
5154         (Incremental_got_plt_reader): New class.
5155         * layout.cc (Layout::create_incremental_info_sections): Add the
5156         incremental_got_plt section.
5157         * object.h (Got_offset_list::get_list): New function.
5158         (Got offset_list::for_all_got_offsets): New function.
5159         (Sized_relobj::local_got_offset_list): New function.
5160         * powerpc.cc (Target_powerpc::got_size): Add const.
5161         (Target_powerpc::got_entry_count): New function.
5162         (Target_powerpc::plt_entry_count): New function.
5163         (Target_powerpc::first_plt_entry_offset): New function.
5164         (Target_powerpc::plt_entry_size): New function.
5165         (Output_data_plt_powerpc::entry_count): New function.
5166         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5167         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5168         * sparc.cc (Target_sparc::got_size): Add const.
5169         (Target_sparc::got_entry_count): New function.
5170         (Target_sparc::plt_entry_count): New function.
5171         (Target_sparc::first_plt_entry_offset): New function.
5172         (Target_sparc::plt_entry_size): New function.
5173         (Output_data_plt_sparc::entry_count): New function.
5174         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5175         (Output_data_plt_sparc::get_plt_entry_size): New function.
5176         * symtab.h (Symbol::got_offset_list): New function.
5177         (Symbol_table::for_all_symbols): New function.
5178         * target.h (Sized_target::got_entry_count): New function.
5179         (Sized_target::plt_entry_count): New function.
5180         (Sized_target::plt_entry_size): New function.
5181         * x86_64.cc (Target_x86_64::got_size): Add const.
5182         (Target_x86_64::got_entry_count): New function.
5183         (Target_x86_64::plt_entry_count): New function.
5184         (Target_x86_64::first_plt_entry_offset): New function.
5185         (Target_x86_64::plt_entry_size): New function.
5186         (Output_data_plt_x86_64::entry_count): New function.
5187         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5188         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5189
5190 2010-08-12  Cary Coutant  <ccoutant@google.com>
5191
5192         * archive.cc: Include incremental.h.
5193         (Archive::Archive): Initialize incremental_info_.
5194         (Archive::include_member): Record archive members in incremental info.
5195         (Add_archive_symbols::run): Record begin and end of an archive in
5196         incremental info.
5197         (Lib_group::include_member): Record objects in incremental info.
5198         * archive.h (Incremental_archive_entry): Forward declaration.
5199         (Archive::set_incremental_info): New member function.
5200         (Archive::incremental_info): New member function.
5201         (Archive::Unused_symbol_iterator): New class.
5202         (Archive::unused_symbols_begin): New member function.
5203         (Archive::unused_symbols_end): New member function.
5204         (Archive::incremental_info_): New data member.
5205         * incremental-dump.cc (find_input_containing_global): New function.
5206         (dump_incremental_inputs): Dump new incremental info sections.
5207         * incremental.cc: Include symtab.h.
5208         (Output_section_incremental_inputs): New class.
5209         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5210         new incremental info sections.
5211         (Sized_incremental_binary::do_check_inputs): Likewise.
5212         (Incremental_inputs::report_archive): Remove.
5213         (Incremental_inputs::report_archive_begin): New function.
5214         (Incremental_inputs::report_archive_end): New function.
5215         (Incremental_inputs::report_object): New function.
5216         (Incremental_inputs::finalize_inputs): Remove.
5217         (Incremental_inputs::report_input_section): New function.
5218         (Incremental_inputs::report_script): Rewrite.
5219         (Incremental_inputs::finalize): Do nothing but finalize string table.
5220         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5221         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5222         (Incremental_inputs::create_data_sections): New function.
5223         (Incremental_inputs::relocs_entsize): New function.
5224         (Output_section_incremental_inputs::set_final_data_size): New function.
5225         (Output_section_incremental_inputs::do_write): New function.
5226         (Output_section_incremental_inputs::write_header): New function.
5227         (Output_section_incremental_inputs::write_input_files): New function.
5228         (Output_section_incremental_inputs::write_info_blocks): New function.
5229         (Output_section_incremental_inputs::write_symtab): New function.
5230         * incremental.h (Incremental_script_entry): Forward declaration.
5231         (Incremental_object_entry): Forward declaration.
5232         (Incremental_archive_entry): Forward declaration.
5233         (Incremental_inputs): Forward declaration.
5234         (Incremental_inputs_header_data): Remove.
5235         (Incremental_inputs_header): Remove.
5236         (Incremental_inputs_header_write): Remove.
5237         (Incremental_inputs_entry_data): Remove.
5238         (Incremental_inputs_entry): Remove.
5239         (Incremental_inputs_entry_write): Remove.
5240         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5241         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5242         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5243         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5244         Likewise.
5245         (Incremental_input_entry): New class.
5246         (Incremental_script_entry): New class.
5247         (Incremental_object_entry): New class.
5248         (Incremental_archive_entry): New class.
5249         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5250         (Incremental_inputs::report_inputs): Remove.
5251         (Incremental_inputs::report_archive): Remove.
5252         (Incremental_inputs::report_archive_begin): New function.
5253         (Incremental_inputs::report_archive_end): New function.
5254         (Incremental_inputs::report_object): Change prototype.
5255         (Incremental_inputs::report_input_section): New function.
5256         (Incremental_inputs::report_script): Change prototype.
5257         (Incremental_inputs::get_reloc_count): New function.
5258         (Incremental_inputs::set_reloc_count): New function.
5259         (Incremental_inputs::create_data_sections): New function.
5260         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5261         (Incremental_inputs::inputs_section): New function.
5262         (Incremental_inputs::symtab_section): New function.
5263         (Incremental_inputs::relocs_section): New function.
5264         (Incremental_inputs::get_stringpool): Add const.
5265         (Incremental_inputs::command_line): Add const.
5266         (Incremental_inputs::inputs): Remove.
5267         (Incremental_inputs::command_line_key): New function.
5268         (Incremental_inputs::input_file_count): New function.
5269         (Incremental_inputs::input_files): New function.
5270         (Incremental_inputs::relocs_entsize): New function.
5271         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5272         (Incremental_inputs::finalize_inputs): Remove.
5273         (Incremental_inputs::Input_info): Remove.
5274         (Incremental_inputs::lock_): Remove.
5275         (Incremental_inputs::inputs_): Change type.
5276         (Incremental_inputs::inputs_map_): Remove.
5277         (Incremental_inputs::current_object_entry_): New data member.
5278         (Incremental_inputs::inputs_section_): New data member.
5279         (Incremental_inputs::symtab_section_): New data member.
5280         (Incremental_inputs::relocs_section_): New data member.
5281         (Incremental_inputs::reloc_count_): New data member.
5282         (Incremental_inputs_reader): New class.
5283         (Incremental_symtab_reader): New class.
5284         (Incremental_relocs_reader): New class.
5285         * layout.cc (Layout::finalize): Move finalization of incremental info
5286         and creation of incremental info sections to follow finalization of
5287         symbol table.  Set offsets for postprocessing sections.
5288         (Layout::create_incremental_info_sections): Call
5289         Incremental_inputs::create_data_sections.  Add incremental symtab
5290         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5291         sections to layout after input sections.
5292         * layout.h (struct Timespec): Forward declaration.
5293         (Layout::incremental_inputs): Add const.
5294         (Layout::create_incremental_info_sections): Add parameter.
5295         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5296         * object.cc: Include incremental.h.
5297         (Relobj::finalize_incremental_relocs): New function.
5298         (Sized_relobj::do_layout): Record input sections in incremental info.
5299         * object.h (Object::output_section): New function.
5300         (Object::output_section_offset): Moved from Relobj.
5301         (Object::get_incremental_reloc_base): New function.
5302         (Object::get_incremental_reloc_count): New function.
5303         (Object::do_output_section): New function.
5304         (Object::do_output_section_offset): Moved from Relobj.
5305         (Object::do_get_incremental_reloc_base): New function.
5306         (Object::do_get_incremental_reloc_count): New function.
5307         (Object::Object): Initialize new data members.
5308         (Relobj::output_section): Renamed do_output_section and moved to
5309         protected.
5310         (Relobj::output_section_offset): Moved to Object.
5311         (Relobj::do_get_incremental_reloc_base): New function.
5312         (Relobj::do_get_incremental_reloc_count): New function.
5313         (Relobj::allocate_incremental_reloc_counts): New function.
5314         (Relobj::count_incremental_reloc): New function.
5315         (Relobj::finalize_incremental_relocs): New function.
5316         (Relobj::next_incremental_reloc_index): New function.
5317         (Relobj::reloc_counts_): New data member.
5318         (Relobj::reloc_bases_): New data member.
5319         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5320         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5321         (Sized_relobj::incremental_relocs_scan): New function.
5322         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5323         (Sized_relobj::incremental_relocs_write): New function.
5324         (Sized_relobj::incremental_relocs_write_reltype): New function.
5325         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5326         incremental link.
5327         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5328         archives and object files elsewhere.
5329         (Add_symbols::run): Report object files here.
5330         (Finish_group::run): Report end of archive at end of group.
5331         * reloc.cc: Include layout.h, incremental.h.
5332         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5333         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5334         (Sized_relobj::incremental_relocs_scan): New function.
5335         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5336         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5337         (Sized_relobj::incremental_relocs_write): New function.
5338         (Sized_relobj::incremental_relocs_write_reltype): New function.
5339         * script.cc (read_input_script): Rewrite test for incremental link.
5340         Change call to Incremental_inputs::report_script.
5341         * symtab.h (Symbol_table::first_global_index): New function.
5342         (Symbol_table::output_count): New function.
5343
5344 2010-08-12  Doug Kwan  <dougkwan@google.com>
5345
5346         * arm.cc (Target_arm::merge_object_attributes): Check command line
5347         options --no-wchar-size-warning and --no-enum-size-warning.
5348         * options.h (General_options): Add ld-compatible options
5349         --no-enum-size-warning and --no-wchar-size-warning.
5350
5351 2010-08-04  Ian Lance Taylor  <iant@google.com>
5352
5353         * x86_64.cc (Target_x86_64::Scan::local): Use
5354         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5355         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5356         (Target_x86_64::Scan::global): Likewise.
5357         (Target_x86_64::Relocate::relocate): Likewise.
5358         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5359         Likewise.
5360
5361 2010-08-03  Cary Coutant  <ccoutant@google.com>
5362
5363         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5364         to reserve space in merged_strings vector. Keep total input size
5365         for stats.
5366         (Output_merge_string::do_print_merge_stats): Print total input size.
5367         * merge.h (Output_merge_string): Add input_size_ field.
5368         * stringpool.cc (Stringpool_template::string_length): Move
5369         implementations out of Stringpool_template class and place in
5370         stringpool.h.
5371         * stringpool.h (string_length): Move out of Stringpool_template.
5372
5373 2010-08-03  Ian Lance Taylor  <iant@google.com>
5374
5375         PR 11712
5376         * layout.cc (relaxation_loop_body): If address of load segment is
5377         set, adjust address to include headers if possible.
5378
5379 2010-08-03  Ian Lance Taylor  <iant@google.com>
5380
5381         * version.cc (version_string): Bump to 1.10.
5382
5383 2010-08-03  Ian Lance Taylor  <iant@google.com>
5384
5385         PR 11805
5386         * layout.h (enum Output_section_order): Define.
5387         (class Layout): Update declarations.
5388         * layout.cc (Layout::get_output_section): Add order parameter.
5389         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5390         is_first_non_relro parameters.  Change all callers.
5391         (Layout::choose_output_section): Likewise.
5392         (Layout::add_output_section_data): Likewise.
5393         (Layout::make_output_section): Likewise.  Set order.
5394         (Layout::default_section_order): New function.
5395         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5396         * output.cc (Output_section::Output_section): Initialize order_.
5397         Don't initialize deleted fields.
5398         (Output_segment::Output_segment): Don't initialize deleted
5399         fields.
5400         (Output_segment::add_output_section_to_load): New function
5401         replacing add_output_section.  Change all callers to call this or
5402         add_output_section_to_nonload.
5403         (Output_segment::add_output_section_to_nonload): New function.
5404         (Output_segment::remove_output_section): Rewrite.
5405         (Output_segment::add_initial_output_data): Likewise.
5406         (Output_segment::has_any_data_sections): Likewise.
5407         (Output_segment::is_first_section_relro): Likewise.
5408         (Output_segment::maximum_alignment): Likewise.
5409         (Output_segment::has_dynamic_reloc): New function replacing
5410         dynamic_reloc_count.  Change all callers.
5411         (Output_segment::has_dynamic_reloc_list): New function replacing
5412         dynamic_reloc_count_list.  Change all callers.
5413         (Output_segment::set_section_addresses): Rewrite.
5414         (Output_segment::set_offset): Rewrite.
5415         (Output_segment::find_first_and_last_list): Remove.
5416         (Output_segment::set_tls_offsets): Rewrite.
5417         (Output_segment::first_section_load_address): Likewise.
5418         (Output_segment::output_section_count): Likewise.
5419         (Output_segment::section_with_lowest_load_address): Likewise.
5420         (Output_segment::write_section_headers): Likewise.
5421         (Output_segment::print_sections_to_map): Likewise.
5422         * output.h (class Output_data): Remove dynamic_reloc_count_
5423         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5424         (Output_data::add_dynamic_reloc): Rewrite.
5425         (Output_data::has_dynamic_reloc): New function.
5426         (Output_data::dynamic_reloc_count): Remove.
5427         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5428         is_last_relro_, is_first_non_relro_, is_interp_,
5429         is_dynamic_linker_section_ fields.  Add order and set_order
5430         functions.  Remove is_relro_local, set_is_relro_local,
5431         is_last_relro, set_is_last_relro, is_first_non_relro,
5432         set_is_first_non_relro functions, is_interp, set_is_interp,
5433         is_dynamic_linker_section, and set_is_dynamic_linker_section
5434         functions.
5435         (class Output_segment): Change Output_data_list from std::list to
5436         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5437         output_bss_ fields.  Update declarations.
5438
5439 2010-08-02  Ian Lance Taylor  <iant@google.com>
5440
5441         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5442         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5443         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5444
5445 2010-08-02  Ian Lance Taylor  <iant@google.com>
5446
5447         PR 11855
5448         * script.cc (Script_options::Script_options): Initialize
5449         symbol_definitions_ and symbol_references_.
5450         (Script_options::add_symbol_assignment): Update
5451         symbol_definitions_ and symbol_references_.
5452         (Script_options::add_symbol_reference): New function.
5453         (script_symbol): New function.
5454         * script.h (class Script_options): Add symbol_definitions_ and
5455         symbol_references_ fields.
5456         (Script_options::referenced_const_iterator): New type.
5457         (Script_options::referenced_begin): New function.
5458         (Script_options::referenced_end): New function.
5459         (Script_options::is_referenced): New function.
5460         (Script_options::any_unreferenced): New function.
5461         * script-c.h (script_symbol): Declare.
5462         * yyscript.y (exp): Call script_symbol.
5463         * symtab.cc: Include "script.h".
5464         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5465         Change all callers.  Check symbols referenced by scripts.
5466         (Symbol_table::add_undefined_symbols_from_command_line): Add
5467         layout parameter.  Change all callers.
5468         (Symbol_table::do_add_undefined_symbols_from_command_line):
5469         Likewise.  Break out loop body.  Check symbols referenced by
5470         scripts.
5471         (Symbol_table::add_undefined_symbol_from_command_line): New
5472         function broken out of
5473         do_add_undefined_symbols_from_command_line.
5474         * symtab.h (class Symbol_table): Update declarations.
5475         * archive.cc: Include "layout.h".
5476         (Archive::should_include_member): Add layout parameter.  Change
5477         all callers.  Check for symbol mentioned in expression.
5478         * archive.h (class Archive): Update declaration.
5479         * object.cc (Sized_relobj::do_should_include_member): Add layout
5480         parameter.
5481         * object.h (Object::should_include_member): Add layout parameter.
5482         Change all callers.
5483         (Object::do_should_include_member): Add layout parameter.
5484         (class Sized_relobj): Update declaration.
5485         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5486         parameter.
5487         * dynobj.h (class Sized_dynobj): Update declaration.
5488         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5489         layout parameter.
5490         * plugin.h (class Sized_pluginobj): Update declaration.
5491
5492 2010-08-02  Ian Lance Taylor  <iant@google.com>
5493
5494         PR 11866
5495         * output.cc (Output_segment::set_offset): Search for the first and
5496         last sections rather than assuming that the list is in order.
5497         (Output_segment::find_first_and_last_list): New function.
5498         * output.h (class Output_segment): Update declarations.
5499         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5500         (relro_strip_test_SOURCES): New variable.
5501         (relro_strip_test_DEPENDENCIES): New variable.
5502         (relro_strip_test_LDFLAGS): New variable.
5503         (relro_strip_test_LDADD): New variable.
5504         (relro_strip_test.so): New target.
5505
5506 2010-08-02  Ian Lance Taylor  <iant@google.com>
5507
5508         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5509         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5510         (Target_i386::got_tlsdesc_section): New function.
5511         (Target_i386::got_section): Create space for GOT entries for
5512         TLSDESC relocations.
5513         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5514         R_386_TLS_GOTDESC.
5515         (Target_i386::Scan::global): Likewise.
5516         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5517         using TLSDESC GOT.
5518         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5519         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5520         (Target_x86_64::got_tlsdesc_section): New function.
5521         (Target_x86_64::got_section): Create space for GOT entries for
5522         TLSDESC relocations.
5523         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5524         R_386_TLS_GOTDESC.
5525         (Target_x86_64::Scan::global): Likewise.
5526         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5527         using TLSDESC GOT.
5528
5529 2010-08-02  Ian Lance Taylor  <iant@google.com>
5530
5531         * testsuite/final_layout.sh: Use dc to convert from hex to
5532         decimal.
5533
5534 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5535
5536         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5537         paramter to the call to gold::gc_process_relocs.
5538         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5539         paramter to the call to gold::gc_process_relocs.
5540         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5541         parameter to the call to gold::gc_process_relocs.
5542         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5543         template parameter to the call to gold::gc_process_relocs.
5544         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5545         paramter to the call to gold::gc_process_relocs.
5546         * gc.h (get_embedded_addend_size): New function.
5547         (gc_process_relocs): Save the size of the reloc for use by ICF.
5548         * icf.cc (get_section_contents): Get the addend from the text section
5549         for SHT_REL relocation sections.
5550         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5551         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5552         * int_encoding.h (read_from_pointer): New overloaded function.
5553         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5554         * testsuite/icf_sht_rel_addend_test.sh: New file.
5555         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5556         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5557
5558 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5559
5560         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5561         * Makefile.in: Regenerate.
5562         * testsuite/Makefile.in: Regenerate.
5563
5564 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5565
5566         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5567         * gold/testsuite/debug_msg.cc: Likewise.
5568         * gold/testsuite/odr_violation1.cc
5569         * gold/testsuite/odr_violation2.cc
5570
5571 2010-07-21  Cary Coutant  <ccoutant@google.com>
5572
5573         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5574         string, and length fields.
5575         (Output_merge_string::Merged_strings_list): New type.
5576         (Output_merge_string::Merged_strings_lists): New typedef.
5577         (Output_merge_string): Replace merged_strings_ with
5578         merged_strings_lists_.
5579         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5580         Merged_strings_list per input object and section.  Don't store pointer
5581         to the string.  Don't store length with each merged string entry.
5582         (Output_merge_string::finalize_merged_data): Loop over list of merged
5583         strings lists.  Recompute length of each merged string.
5584
5585 2010-07-15  Cary Coutant  <ccoutant@google.com>
5586
5587         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5588         here.
5589
5590 2010-07-14  Ian Lance Taylor  <iant@google.com>
5591
5592         * descriptors.cc (Descriptors::open): Report correct name in error
5593         message.
5594
5595 2010-07-13  Doug Kwan  <dougkwan@google.com>
5596
5597         * arm.cc (Arm_input_section::Arm_input_section): For a
5598         SHT_ARM_EXIDX section, always keeps the input sections.
5599         (Arm_input_section::set_exidx_section_link): New method.
5600         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5601         has_errors_ to false.
5602         (Arm_exidx_input_section::has_errors,
5603         Arm_exidx_input_section::set_has_errors): New methods.
5604         (Arm_exidx_input_section::has_errors_): New data member.
5605         (Arm_relobj::get_exidx_shndx_list): New method.
5606         (Arm_output_section::append_text_sections_to_list): Do not skip
5607         section without SHF_EXECINSTR.
5608         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5609         errors.
5610         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5611         section header.  Make error messages more verbose.  Check for
5612         a non-executable section linked to an EXIDX section.
5613         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5614         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5615         check that there is no deferred EXIDX section if we exit early.
5616         Instead of not making an EXIDX section in case of an error, make one
5617         and set the has_errors flag of it.
5618         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5619         in a relocatable link.
5620         (Target_arm::do_relax): Look for the EXIDX output section instead of
5621         assuming that it is called .ARM.exidx.
5622         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5623         section list.  Do not check for SHF_EXECINSTR section flags but
5624         skip any input section with errors.
5625         * output.cc (Output_section::Output_section): Initialize
5626         always_keeps_input_sections_ to false.
5627         (Output_section::add_input_section): Check for
5628         always_keeps_input_sections_.
5629         *  output.h (Output_section::always_keeps_input_sections,
5630         Output_section::set_always_keeps_input_sections): New methods.
5631         (Output_section::always_keeps_input_sections): New data member.
5632
5633 2010-07-13  Rafael Espindola  <espindola@google.com>
5634
5635         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5636         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5637
5638 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5639             Ian Lance Taylor  <iant@google.com>
5640
5641         * output.h (Output_section_lookup_maps::add_merge_section):
5642         Correct check of whether value was inserted.
5643         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5644         (Output_section_lookup_maps::add_relaxed_input_section):
5645         Likewise.
5646         * arm.cc (Target_arm::got_section): Remove used local os.
5647         * i386.cc (Target_i386::got_section): Likewise.
5648         * x86_64.cc (Target_x86_64::got_section): Likewise.
5649         * sparc.cc (Target_sparc::got_section): Likewise.
5650         (Target_sparc::relocate): Remove unused local have_got_offset.
5651         * powerpc.cc (Target_powerpc::relocate): Likewise.
5652
5653 2010-07-13  Ian Lance Taylor  <iant@google.com>
5654
5655         * compressed_output.cc (zlib_decompress): Fix signature in
5656         !HAVE_ZLIB_H case.
5657
5658         * archive.cc (Archive::include_member): Unlock an external member
5659         of a thin archive.  Don't bother to delete an object we know is
5660         NULL.
5661
5662 2010-07-12  Cary Coutant  <ccoutant@google.com>
5663
5664         * compressed_output.cc (zlib_decompress): New function.
5665         (get_uncompressed_size): New function.
5666         (decompress_input_section): New function.
5667         * compressed_output.h (get_uncompressed_size): New function.
5668         (decompress_input_section): New function.
5669         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5670         Handle compressed debug sections.
5671         * layout.cc (is_compressed_debug_section): New function.
5672         (Layout::output_section_name): Map compressed section names to
5673         canonical names.
5674         * layout.h (is_compressed_debug_section): New function.
5675         (is_debug_info_section): Recognize compressed debug sections.
5676         * merge.cc: Include compressed_output.h.
5677         (Output_merge_data::do_add_input_section): Handle compressed
5678         debug sections.
5679         (Output_merge_string::do_add_input_section): Handle compressed
5680         debug sections.
5681         * object.cc: Include compressed_output.h.
5682         (Sized_relobj::Sized_relobj): Initialize new data members.
5683         (build_compressed_section_map): New function.
5684         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5685         * object.h (Object::section_is_compressed): New method.
5686         (Object::do_section_is_compressed): New method.
5687         (Sized_relobj::Compressed_section_map): New type.
5688         (Sized_relobj::do_section_is_compressed): New method.
5689         (Sized_relobj::compressed_sections_): New data member.
5690         * output.cc (Output_section::add_input_section): Handle compressed
5691         debug sections.
5692         * reloc.cc: Include compressed_output.h.
5693         (Sized_relobj::write_sections): Handle compressed debug sections.
5694
5695 2010-07-08  Cary Coutant  <ccoutant@google.com>
5696
5697         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5698         weak when resolving to a dynamic def.
5699         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5700         for weak undef/dynamic def cases. Adjust callers.
5701         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5702         undef_binding_weak_.
5703         (Symbol_table::sized_write_globals): Adjust symbol binding.
5704         (Symbol_table::sized_write_symbol): Add binding parameter.
5705         * symtab.h (Symbol::set_undef_binding): New method.
5706         (Symbol::is_undef_binding_weak): New method.
5707         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5708         (Symbol_table::should_override): Add new parameter.
5709         (Symbol_table::sized_write_symbol): Add new parameter.
5710
5711         * testsuite/weak_undef_file1.cc: Add new test case.
5712         * testsuite/weak_undef_file2.cc: Fix header comment.
5713         * testsuite/weak_undef_test.cc: Add new test case.
5714
5715 2010-06-29  Doug Kwan  <dougkwan@google.com>
5716
5717         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5718         Initialize USE_SYMBOL_.
5719         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5720         definition.
5721         (Arm_reloc_property::uses_symbol_): New data member declaration.
5722         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5723         uses symbol value and symbol is undefined but not weakly undefined.
5724
5725 2010-06-28  Rafael Espindola  <espindola@google.com>
5726
5727         * plugin.cc (Plugin::load): Use dlerror.
5728
5729 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5730
5731         * symtab.cc (detect_odr_violations): When reporting an ODR
5732         violation, report an object where the symbol is defined.
5733
5734 2010-06-25  Doug Kwan  <dougkwan@google.com>
5735
5736         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5737         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5738         definition.
5739         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5740         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5741         target hook to detect function points.
5742         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5743         * icf.h (Icf::check_section_for_function_pointers): Change type of
5744         parameter SECTION_NAME to const reference to std::string.  Use
5745         target hook to determine if section may have unsafe pointers.
5746         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5747         method definition.
5748
5749 2010-06-21  Rafael Espindola  <espindola@google.com>
5750
5751         * fileread.cc (Input_file::find_fie): New
5752         (Input_file::open): Use Input_file::find_fie.
5753         * fileread.h (Input_file::find_fie): New
5754         * plugin.cc (set_extra_library_path): New.
5755         (Plugin::load): Add set_extra_library_path to the transfer vector.
5756         (Plugin_manager::set_extra_library_path): New.
5757         (Plugin_manager::add_input_file): Use the extra search path if set.
5758         (set_extra_library_path(): New.
5759         * plugin.h (Plugin_manager): Add set_extra_library_path and
5760         extra_search_path_.
5761
5762 2010-06-19  Cary Coutant  <ccoutant@google.com>
5763
5764         * layout.cc (gdb_sections): Add .debug_types.
5765         (lines_only_debug_sections): Likewise.
5766
5767 2010-06-18  Rafael Espindola  <espindola@google.com>
5768
5769         * plugin.cc (add_input_file,add_input_library)
5770         (Plugin_manager::add_input_file): Make filename arguments const.
5771         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5772         const.
5773
5774 2010-06-16  Doug Kwan  <dougkwan@google.com>
5775
5776         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5777         .ARM.attributes section if we have not merged any input
5778         attributes sections.
5779
5780 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5781
5782         * arm.cc: Allow combining objects with no EABI version
5783         information.
5784
5785 2010-06-15  Rafael Espindola  <espindola@google.com>
5786
5787         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5788
5789 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5790
5791         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5792         (struct iovec): Correct !HAVE_READV definition.
5793
5794 2010-06-10  Cary Coutant  <ccoutant@google.com>
5795
5796         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5797         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5798         reloc sections.
5799         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5800
5801         PR 11683
5802         * symtab.h (Symbol::is_placeholder): New member function.
5803         * target-reloc.h (relocate_section): Check for placeholder symbols.
5804
5805         * testsuite/Makefile.am (plugin_test_8): New test.
5806         (plugin_test_9): New test.
5807         * testsuite/Makefile.in: Regenerate.
5808
5809 2010-06-09  Nick Clifton  <nickc@redhat.com>
5810
5811         * yyscript.y (input_list_element): Allow strings prefixed with
5812         the '-' character.  Treat these as libraries.
5813         * script.cc (script_add_library): New function.  Adds a library
5814         specified by "-l<name>" found in an input script.
5815         * script-c.h: Add prototype for script_add_library.
5816
5817 2010-06-07  Doug Kwan  <dougkwan@google.com>
5818
5819         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5820         Restrict stub-group size to be within long conditional branch
5821         range when working around cortex-A8 erratum.
5822
5823 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5824
5825         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5826         #ifdef typo.
5827
5828 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5829
5830         PR gold/11658
5831         * output.cc
5832         (Output_section::Input_section_sort_entry::compare_section_ordering):
5833         Change to return non-zero correctly.
5834         (Output_section::Input_section_sort_section_order_index_compare
5835         ::operator()): Change to fix ambiguity in comparisons.
5836
5837 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5838
5839         * gold.h (is_wildcard_string): New function.
5840         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5841         (Layout::layout_eh_frame): Ditto.
5842         (Layout::find_section_order_index): New method.
5843         (Layout::read_layout_from_file): New method.
5844         * layout.h (Layout::find_section_order_index): New method.
5845         (Layout::read_layout_from_file): New method.
5846         (Layout::input_section_position_): New private member.
5847         (Layout::input_section_glob_): New private member.
5848         * main.cc (main): Call read_layout_from_file here.
5849         * options.h (--section-ordering-file): New option.
5850         * output.cc (Output_section::input_section_order_specified_): New
5851         member.
5852         (Output_section::Output_section): Initialize new member.
5853         (Output_section::add_input_section): Add new parameter.
5854         Keep input sections when --section-ordering-file is used.
5855         (Output_section::set_final_data_size): Sort input sections when
5856         section ordering file is specified.
5857         (Output_section::Input_section_sort_entry): Add new parameter.
5858         Check sorting type.
5859         (Output_section::Input_section_sort_entry::compare_section_ordering):
5860         New method.
5861         (Output_section::Input_section_sort_compare::operator()): Change to
5862         consider section_order_index.
5863         (Output_section::Input_section_sort_init_fini_compare::operator()):
5864         Change to consider section_order_index.
5865         (Output_section::Input_section_sort_section_order_index_compare
5866         ::operator()): New method.
5867         (Output_section::sort_attached_input_sections): Change to sort
5868         according to section order when specified.
5869         (Output_section::add_input_section<32, true>): Add new parameter.
5870         (Output_section::add_input_section<64, true>): Add new parameter.
5871         (Output_section::add_input_section<32, false>): Add new parameter.
5872         (Output_section::add_input_section<64, false>): Add new parameter.
5873         * output.h (Output_section::add_input_section): Add new parameter.
5874         (Output_section::input_section_order_specified): New
5875         method.
5876         (Output_section::set_input_section_order_specified): New method.
5877         (Input_section::Input_section): Initialize section_order_index_.
5878         (Input_section::section_order_index): New method.
5879         (Input_section::set_section_order_index): New method.
5880         (Input_section::section_order_index_): New member.
5881         (Input_section::Input_section_sort_section_order_index_compare): New
5882         struct.
5883         (Output_section::input_section_order_specified_): New member.
5884         * script-sections.cc (is_wildcard_string): Delete and move modified
5885         method to gold.h.
5886         (Output_section_element_input::Output_section_element_input): Modify
5887         call to is_wildcard_string.
5888         (Output_section_element_input::Input_section_pattern
5889         ::Input_section_pattern): Ditto.
5890         (Output_section_element_input::Output_section_element_input): Ditto.
5891         * testsuite/Makefile.am (final_layout): New test case.
5892         * testsuite/Makefile.in: Regenerate.
5893         * testsuite/final_layout.cc: New file.
5894         * testsuite/final_layout.sh: New file.
5895
5896 2010-06-01  Rafael Espindola  <espindola@google.com>
5897
5898         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5899
5900 2010-06-01  Rafael Espindola  <espindola@google.com>
5901
5902         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5903         visibility of symbols.
5904
5905 2010-05-27  Doug Kwan  <dougkwan@google.com>
5906
5907         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5908         from start of output section instead of address for a local symbol
5909         in a merged or relaxed section when doing a relocatable link.
5910
5911 2010-05-26  Rafael Espindola  <espindola@google.com>
5912
5913         PR 11604
5914         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5915         adding sections the garbage collector removed.
5916         * gold/testsuite/Makefile.am: Add test.
5917         * gold/testsuite/Makefile.in: Regenerate.
5918         * gold/testsuite/plugin_test_7.sh: New.
5919         * gold/testsuite/plugin_test_7_1.c: New.
5920         * gold/testsuite/plugin_test_7_2.c: New.
5921
5922 2010-05-26  Rafael Espindola  <espindola@google.com>
5923
5924         * script-sections.cc (Output_section_definition::set_section_addresses):
5925         Check for --section-start.
5926
5927 2010-05-26  Doug Kwan  <dougkwan@google.com>
5928
5929         * arm.cc (Arm_scan_relocatable_relocs): New class.
5930         (Target_arm::relocate_special_relocatable): New method.
5931         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5932         (Arm_relocate_functions::thumb_branch_common): Same.
5933         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5934         instead of Default_scan_relocatable_relocs.
5935         * target-reloc.h (relocate_for_relocatable): Let target handle
5936         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5937         * target.h (Sized_target::relocate_special_relocatable): New method.
5938
5939 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5940
5941         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5942
5943 2010-05-23  Doug Kwan  <dougkwan@google.com>
5944
5945         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5946         instead of a cast.
5947         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5948         with a direct branch, not a conditional branch, to a stub.
5949         * merge.cc (Output_merge_base::record_input_section): New method
5950         defintion.
5951         (Output_merge_data::do_add_input_section): Record input section if
5952         keeps-input-sections flag is set.
5953         (Output_merge_string::do_add_input_section): Ditto.
5954         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5955         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5956         INPUT_SECTIONS_.
5957         (Output_merge_base::keeps_input_sections,
5958         Output_merge_base::set_keeps_input_sections,
5959         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5960         method definitions.
5961         (Output_merge_base::Input_sections): New type declaration.
5962         (Output_merge_base::input_sections_begin,
5963         Output_merge_base::input_sections_end,
5964         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5965         (Output_merge_base::bool keeps_input_sections_,
5966         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5967         Output_merge_base::input_sections_): New data members.
5968         (Output_merge_data::do_set_keeps_input_sections): New method
5969         defintion.
5970         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5971         * output.cc (Output_section::Input_section::relobj): Move method
5972         defintion from class declaration to here and handle merge sections.
5973         (Output_section::Input_section::shndx): Ditto.
5974         (Output_section::Output_section): Remove initializations of removed
5975         data members and initialize new data member LOOKUP_MAPS_.
5976         (Output_section::add_input_section): Set keeps-input-sections flag
5977         for a newly created merge output section as appropriate.  Adjust code
5978         to use Output_section_lookup_maps class.
5979         (Output_section::add_relaxed_input_section): Adjst code for lookup
5980         maps code refactoring.
5981         (Output_section::add_merge_input_section): Add a new parameter
5982         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5983         class.  If adding input section to a newly created merge output
5984         section fails, remove the new merge section.
5985         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5986         Adjust code for use of the Output_section_lookup_maps class.
5987         (Output_section::find_merge_section): Ditto.
5988         (Output_section::build_lookup_maps): New method defintion.
5989         (Output_section::find_relaxed_input_section): Adjust code to use
5990         Output_section_lookup_maps class.
5991         (Output_section::get_input_sections): Export merge sections.  Adjust
5992         code to use Output_section_lookup_maps class.
5993         (Output_section:::add_script_input_section): Adjust code to use
5994         Output_section_lookup_maps class.  Update lookup maps for merge
5995         sections also.
5996         (Output_section::discard_states): Use Output_section_lookup_maps.
5997         (Output_section::restore_states): Same.
5998         * output.h (Merge_section_properties): Move class defintion out of
5999         Output_section.
6000         (Output_section_lookup_maps): New class.
6001         (Output_section::Input_section::is_merge_section): New method
6002         defintion.
6003         (Output_section::Input_section::relobj): Move defintion out of class
6004         defintion.  Declare method only.
6005         (Output_section::Input_section::shndx): Ditto.
6006         (Output_section::Input_section::output_merge_base): New method defintion.
6007         (Output_section::Input_section::u2_.pomb): New union field.
6008         (Output_section::Merge_section_by_properties_map,
6009         Output_section::Output_section_data_by_input_section_map,
6010         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6011         Remove types.
6012         (Output_section::add_merge_input_section): Add new parameter
6013         KEEPS_INPUT_SECTIONS.
6014         (Output_section::build_lookup_maps): New method declaration.
6015         (Output_section::merge_section_map_,
6016         Output_section::merge_section_by_properties_map_,
6017         Output_section::relaxed_input_section_map_,
6018         Output_section::is_relaxed_input_section_map_valid_): Remove data
6019         members.
6020         (Output_section::lookup_maps_): New data member.
6021
6022 2010-05-21  Doug Kwan  <dougkwan@google.com>
6023
6024         PR gold/11619
6025         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6026         avoid a compilation error.
6027
6028 2010-05-19  Rafael Espindola  <espindola@google.com>
6029
6030         * script-sections.cc (Output_section_definition::allocate_to_segment):
6031         Update the phdrs_list even when the output section is NULL.
6032         * testsuite/Makefile.am: Add test.
6033         * testsuite/Makefile.in: Regenerate.
6034         * testsuite/script_test_9.cc: New.
6035         * testsuite/script_test_9.sh: New.
6036         * testsuite/script_test_9.t: New.
6037
6038 2010-05-19  Doug Kwan  <dougkwan@google.com>
6039
6040         * arm.cc (Arm_input_section::original_size): New method.
6041         (Arm_input_section::do_addralign): Add a cast.
6042         (Arm_input_section::do_output_offset): Remove static cast.
6043         (Arm_input_section::original_addralign,
6044          Arm_input_section::original_size_): Change type to uint32_t.
6045         (Arm_input_section::init): Add safe casts for section alignment
6046         and size.
6047         (Arm_input_section::set_final_data_size): Do not set address and
6048         offset of stub table.
6049         (Arm_output_section::fix_exidx_coverage): Change use of of
6050         Output_section::Simple_input_section to that of
6051         Output_section::Input_section.
6052         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6053         except for the first pass.
6054         * output.cc (Output_section::get_input_sections): Change type of
6055         input_sections to std::list<Input_section>.
6056         (Output_section::add_script_input_section): Rename from
6057         Output_section::add_simple_input_section.  Change type of SIS
6058         parameter from Simple_input_section to Input_section.
6059         * output.h (Output_section::Simple_input_section): Remove class.
6060         (Output_section::Input_section): Change class visibility to public.
6061         (Output_section::Input_section::addralign): Use stored alignments
6062         for special input sections if set.
6063         (Output_section::Input_section::set_addralign): New method.
6064         (Output_section::get_input_sections): Change parameter type from
6065         list of Simple_input_section to list of Input_section.
6066         (Output_section::add_script_input_section): Rename from
6067         Output_section::add_simple_input_section. Change first parameter's
6068         type from Simple_input_section to Input_section and remove the
6069         second and third parameters.
6070         * script-sections.cc (Input_section::Input_section_list): Change
6071         type to list of Output_section::Input_section/
6072         (Input_section_info::Input_section_info): Change parameter type of
6073         INPUT_SECTION to Output_section::Input_section.
6074         (Input_section_info::input_section): Change return type.
6075         (Input_section_info::input_section_): Change type to
6076         Output_section::Input_section.
6077         (Output_section_element_input::set_section_addresses): Adjust code
6078         to use Output_section::Input_section instead of
6079         Output_section::Simple_input_section.  Adjust code for renaming
6080         of Output_section::add_simple_input_section.
6081         (Orphan_output_section::set_section_addresses): Ditto.
6082
6083 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6084
6085         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6086         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6087
6088 2010-05-18  Rafael Espindola  <espindola@google.com>
6089
6090         * options.cc (General_options::finalize): Handle -nostdlib.
6091         * options.h (nostdlib): New option.
6092         * script.cc (script_add_search_dir): Handle -nostdlib.
6093
6094 2010-05-12  Doug Kwan  <dougkwan@google.com>
6095
6096         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6097         attributes section only if there no attributes section after merging.
6098         (Target_arm::merge_object_attributes): Move value of
6099         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6100         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6101         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6102         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6103         and arm_attr_merge_7.stdout.
6104         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6105         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6106         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6107         arm_attr_merge_7b.o): New rules.
6108         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6109         arm_attr_merge_7
6110         * testsuite/Makefile.in: Regenerate.
6111         * testsuite/arm_attr_merge.sh: New file.
6112         * testsuite/arm_attr_merge_[67][ab].s: Same.
6113
6114 2010-05-05  Nick Clifton  <nickc@redhat.com>
6115
6116         * po/es.po: Updated Spanish translation.
6117
6118 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6119
6120         * Makefile.am (install-exec-local): Properly install gold as
6121         default cross linker.
6122         * Makefile.in: Regenerated.
6123
6124 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6125             Nick Clifton  <nickc@redhat.com>
6126
6127         * configure.ac (install_as_default): Define and set to false
6128         unless --enable-gold or --enable-gold=both/gold has been
6129         specified.
6130         * configure: Regenerate.
6131
6132         * Makefile.am (install-exec-local): Install the executable as
6133         'ld.gold'.  If install_as_default is true then also install it as
6134         'ld'.
6135         * Makefile.in: Regenerated.
6136
6137 2010-04-24  Ian Lance Taylor  <iant@google.com>
6138
6139         * layout.cc (Layout::layout_reloc): In relocatable link don't
6140         combine reloc sections for grouped sections.
6141
6142 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6143
6144         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6145         sections that are not ordinary to icf.
6146         * icf.cc (get_section_contents): Handle relocation pointing to section
6147         with no object or shndx information.
6148         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6149         * testsuite/Makefile.in: Regenerate.
6150         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6151         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6152
6153 2010-04-22  Ian Lance Taylor  <iant@google.com>
6154
6155         * expression.cc (Expression::Expression_eval_info): Add
6156         result_alignment_pointer field.
6157         (Expression::eval_with_dot): Add result_alignment_pointer
6158         parameter.  Change all callers.
6159         (Expression::eval_maybe_dot): Likewise.
6160         (class Binary_expression): Add alignment_pointer parameter to
6161         left_value and right_value.  Change all callers.
6162         (BINARY_EXPRESSION): Set result alignment.
6163         (class Trinary_expression): Add alignment_pointer parameter to
6164         arg2_value and arg3_value.  Change all callers.
6165         (Trinary_cond::value): Set result alignment.
6166         (Max_expression::value, Min_expression::value): Likewise.
6167         (Align_expression::value): Likewise.
6168         * script-sections.cc (class Sections_element): Add dot_alignment
6169         parameter to set_section_addresses virtual function.  Update
6170         instantiations.
6171         (class Output_section_element): Likewise.
6172         (Script_sections::create_segments): Add dot_alignment parameter.
6173         Change all callers.
6174         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6175         (Script_sections::set_phdrs_clause_addresses): Likewise.
6176         * script-sections.h: Update declarations.
6177         * script.h: Update declarations.
6178         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6179         min_p_align.
6180         * testsuite/script_test_3.t: Set large alignment.
6181         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6182         segment has expected alignment.
6183
6184 2010-04-22  Nick Clifton  <nickc@redhat.com>
6185
6186         * po/gold.pot: Updated by the Translation project.
6187         * po/vi.po: Updated Vietnamese translation.
6188
6189 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6190
6191         * testsuite/Makefile.am (check_PROGRAMS): Add
6192         icf_virtual_function_folding_test.
6193         * testsuite/Makefile.in: Regenerated.
6194
6195 2010-04-15  Andrew Haley  <aph@redhat.com>
6196
6197         * options.h (merge_exidx_entries): New option.
6198         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6199         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6200         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6201         (Target_arm::merge_exidx_entries): New function.
6202         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6203         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6204         to Arm_exidx_fixup constructor.
6205         Add new arg, merge_exidx_entries.
6206         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6207         Arm_output_section::fix_exidx_coverage.
6208
6209 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6210
6211         * icf.cc (get_section_contents): Check for preemptible functions.
6212         Ignore addend when appropriate.
6213         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6214         section folded.
6215         (add_from_relobj): Check for section folded.
6216         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6217         * symtab.h (should_add_dynsym_entry): Add new parameter.
6218         * target-reloc.h (scan_relocs): Check for section folded.
6219         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6220         Check reloc types for function pointers in shared objects.
6221         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6222         case.
6223         (icf_preemptible_functions_test): New test case.
6224         (icf_string_merge_test): New test case.
6225         * testsuite.Makefile.in: Regenerate.
6226         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6227         bar_glob.  Refactor code.
6228         * testsuite/icf_preemptible_functions_test.cc: New file.
6229         * testsuite/icf_preemptible_functions_test.sh: New file.
6230         * testsuite/icf_string_merge_test.cc: New file.
6231         * testsuite/icf_string_merge_test.sh: New file.
6232         * testsuite/icf_virtual_function_folding_test.cc: New file.
6233         * testsuite/icf_virtual_function_folding_test.sh: New file.
6234
6235 2010-04-14  Doug Kwan  <dougkwan@google.com>
6236
6237         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6238         for local symbol recounting if we remove a section due to ICF.
6239         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6240         there are no regular objects in input.
6241
6242 2010-04-13  Doug Kwan  <dougkwan@google.com>
6243
6244         * arm.cc (Arm_input_section::set_final_data_size): Compute
6245         accurate final data size instead of using current data size.
6246
6247 2010-04-09  Doug Kwan  <dougkwan@google.com>
6248
6249         * layout.cc (Layout::choose_output_section): Handle script section
6250         types.
6251         (Layout::make_output_section_for_script): Add section type parameter.
6252         Handle script section types.
6253         * layout.h (Layout::make_output_section_for_script): Add section
6254         type parameter.
6255         * output.cc (Output_section::Output_section): Initialize data member
6256         is_noload_.
6257         (Output_section::do_reset_address_and_file_offset): Do not set address
6258         to 0 if section is a NOLOAD section.
6259         * output.h (Output_section::is_noload): New method.
6260         (Output_section::set_is_noload): Ditto.
6261         (Output_section::is_noload_): New data member.
6262         * script-c.h (Script_section_type): New enum type.
6263         (struct Parser_output_section_header): Add new file section_type.
6264         * script-sections.cc (Sections_element::output_section_name): Add
6265         parameter for returning script section type.
6266         (Output_section_definition::output_section_name): Ditto.
6267         (Output_section_definition::section_type)P; New method.
6268         (Output_section_definiton::script_section_type_name): Ditto.
6269         (Output_section_definition::script_section_type_): New data member.
6270         (Output_section_definition::Output_section_definition): Initialize
6271         data member Output_section_definition::script_section_type_.
6272         (Output_section_definition::create_sections): Pass script section type
6273         to Layout::make_output_section_for_script.
6274         (Output_section_definition::output_section_name): Return script
6275         section type to caller.
6276         (Output_section_definition::set_section_address): Do not advance
6277         dot value and load address if section type is NOLOAD.  Set address
6278         of NOLOAD sections regardless of section flags.
6279         (Output_section_definition::print): Print section type if it is
6280         not SCRIPT_SECTION_TYPE_NONE.
6281         (Output_section_definition::section_type): New method.
6282         (Output_section_definition::script_section_type_name): Ditto.
6283         (Script_sections::output_section_name): Add new parameter
6284         PSECTION_TYPE for returning script section type.  Pass it to
6285         section elements.  Handle discard sections.
6286         (Sort_output_sections::operator()): Handle NOLOAD sections.
6287         * script-sections.h (Script_sections::Section_type): New enum type.
6288         (Script_sections::output_section_name): Add a new parameter for
6289         returning script section type.
6290         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6291         INFO and NOLOAD.
6292         * yyscript.y (union): Add new field SECTION_TYPE.
6293         (COPY, DSECT, INFO, NOLOAD): New tokens.
6294         (opt_address_and_section_type): Change type to output_section_header.
6295         (section_type): New non-terminal
6296         (section_header): Handle section type.
6297         (opt_address_and_section_type): Return section type value.
6298
6299 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6300
6301         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6302         * testsuite/plugin_common_test_2.c (foo): Likewise.
6303
6304 2010-04-08  Doug Kwan  <dougkwan@google.com>
6305
6306         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6307         Output_merge_data.
6308         * output.cc (Output_section::add_merge_input_section): Simplify
6309         code and return status of Output_merge_base::add_input_section.
6310         Update merge section map only if Output_merge_base::add_input_section
6311         returns true.
6312
6313 2010-04-07  Doug Kwan  <dougkwan@google.com>
6314
6315         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6316         if section is marked as containing instructions but has no mapping
6317         symbols.
6318         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6319         correct section index.
6320         (Arm_relobj::find_linked_text_section): Ditto.
6321
6322 2010-04-07  Cary Coutant  <ccoutant@google.com>
6323
6324         * archive.cc (include_member): Destroy Read_symbols_data object before
6325         releasing file.
6326         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6327         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6328         (Read_symbols_data::~Read_symbols_data) New destructor.
6329         (Section_relocs::Section_relocs) New constructor.
6330         (Section_relocs::~Section_relocs) New destructor.
6331         (Read_relocs_data::Read_relocs_data) New constructor.
6332         (Read_relocs_data::~Read_relocs_data) New destructor.
6333         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6334         pointers to NULL after deleting.
6335
6336 2010-04-07  Doug Kwan  <dougkwan@google.com>
6337
6338         * arm.cc: Replace "endianity" with "endianness" in comments.
6339         (Arm_exidx_cantunwind): Ditto.
6340         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6341         (Arm_relobj::merge_flags_and_attributes): New method.
6342         (Arm_relobj::merge_flags_and_attributes_): New data member.
6343         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6344         (Arm_relobj::scan_sections_for_stubs): Ditto.
6345         (Arm_relobj::do_read_symbols): Check to see if we really want to
6346         merge processor-specific flags and attributes.  Exit early if
6347         an object is empty except for section names and the undefined symbol.
6348         (Target_arm::do_finalize_sections): Move check for ELF format to
6349         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6350         attributes from a regular object only when we have determined that
6351         it is aapropriate.  Do not create an .ARM.attributes section in
6352         output if there is no regular input object.
6353         (Target_arm::merge_processor_specific_flags): Check
6354         --warn-mismatch before printing any error.
6355         (Target_arm::merge_object_attributes): Ditto.
6356         * gold.cc (queue_middle_tasks): Handle the case in which there is
6357         no regular object in input.
6358         * options.cc (General_options::parse_EB): New method.
6359         (General_options::parse_EL): Same.
6360         (General_options::General_options): Initialize endianness_.
6361         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6362         New options.
6363         (General_options::Endianness): New enum.
6364         (General_options::endianness): New method.
6365         (General_options::endianness_): New data member.
6366         * parameters.cc (Parameters::set_options): Check target endianness.
6367         (Parameters::set_target_once): Ditto.
6368         (Parameters::check_target_endianness): New method.
6369         (parameters_force_valid_target): If either -EL or -EB is specified,
6370         use it to define endianness of default target.
6371         * parameters.h (Parameters::check_target_endianness): New method
6372         declaration.
6373         * target.h (class Target): Change "endianity" to "endianness"
6374         in comments.
6375
6376 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6377
6378         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6379         * configure: Regenerate.
6380         * Makefile.in: Regenerate.
6381         * testsuite/Makefile.in: Regenerate.
6382
6383 2010-04-06  Cary Coutant  <ccoutant@google.com>
6384
6385         gcc PR lto/42757
6386         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6387         prevailing definitions of common symbols.
6388         * testsuite/plugin_test_6.sh: New test case.
6389         * testsuite/plugin_common_test_1.c: New test case.
6390         * testsuite/plugin_common_test_2.c: New test case.
6391         * testsuite/Makefile.am (plugin_test_6): New test case.
6392         * testsuite/Makefile.in: Regenerate.
6393
6394 2010-04-06  Nick Clifton  <nickc@redhat.com>
6395
6396         * po/vi.po: New Vietnamese translation.
6397
6398 2010-03-30  Doug Kwan  <dougkwan@google.com>
6399
6400         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6401
6402 2010-03-25  Doug Kwan  <dougkwan@google.com>
6403
6404         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6405         to avoid a conversion warning on a 32-bit host.
6406
6407 2010-03-24  Ian Lance Taylor  <iant@google.com>
6408
6409         * testsuite/script_test_3.t: Add a TLS segment.
6410         * testsuite/Makefile.am (check_PROGRAMS): Add
6411         tls_phdrs_script_test.
6412         (tls_phdrs_script_test_SOURCES): Define.
6413         (tls_phdrs_script_test_DEPENDENCIES): Define.
6414         (tls_phdrs_script_test_LDFLAGS): Define.
6415         (tls_phdrs_script_test_LDADD): Define.
6416         * testsuite/Makefile.in: Rebuild.
6417
6418 2010-03-23  Cary Coutant  <ccoutant@google.com>
6419
6420         * fileread.cc (find_or_make_view): Fix comment.
6421
6422 2010-03-23  Ian Lance Taylor  <iant@google.com>
6423
6424         * script-sections.cc (class Orphan_section_placement): Define
6425         PLACE_TLS and PLACE_TLS_BSS.
6426         (Orphan_section_placement::Orphan_section_placement): Initialize
6427         new places.
6428         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6429         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6430         (tls_script_test_SOURCES): Define.
6431         (tls_script_test_DEPENDENCIES): Define.
6432         (tls_script_test_LDFLAGS): Define.
6433         (tls_script_test_LDADD): Define.
6434         * testsuite/Makefile.in: Rebuild.
6435
6436 2010-03-22  Doug Kwan  <dougkwan@google.com>
6437
6438         * arm.cc (Arm_relocate_functions::abs8,
6439         Arm_relocate_functions::abs16): Use correct check for overflow
6440         specified in the ARM ELF specs.
6441         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6442         target of a BLX instruction specially.
6443         (Reloc_stub::stub_type_for_reloc): Ditto.
6444         (Relocate::relocate): Use symbolic names instead of numeric relocation
6445         codes to report error.
6446         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6447         workaround.
6448         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6449         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6450         thumb2_blx_out_of_range.stdout
6451         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6452         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6453         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6454         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6455         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6456         thumb2_blx_in_range, thumb2_blx_in_range.o,
6457         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6458         thumb2_blx_out_of_range.o): New rules.
6459         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6460         thumb2_blx_in_range and thumb2_blx_out_of_range.
6461         * testsuite/Makefile.in: Regenerate.
6462         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6463         * testsuite/thumb_blx_in_range.s: New file.
6464         * testsuite/thumb_blx_out_of_range.s: New file.
6465
6466 2010-03-22  Rafael Espindola  <espindola@google.com>
6467
6468         * archive.cc (Should_include): Move to archive.h.
6469         (should_include_member): Make it a member of Archive.
6470         (Lib_group): New.
6471         (Add_lib_group_symbols): New.
6472         * archive.h: Include options.h.
6473         (Archive_member): Moved from Archive.
6474         (Should_include): Moved from archive.cc.
6475         (Lib_group): New.
6476         (Add_lib_group_symbols): New.
6477         * dynobj.cc (do_should_include_member): New.
6478         * dynobj.h (do_should_include_member): New.
6479         * gold.cc (queue_initial_tasks): Update call to queue.
6480         * main.cc (main): Print lib group stats.
6481         * object.cc (do_should_include_member): New.
6482         * object.h: Include archive.h.
6483         (Object::should_include_member): New.
6484         (Object::do_should_include_member): New.
6485         (Sized_relobj::do_should_include_member): New.
6486         * options.cc (General_options::parse_start_lib): New.
6487         (General_options::parse_end_lib): New.
6488         (Input_arguments::add_file): Handle lib groups.
6489         (Input_arguments::start_group): Check we are not in a lib.
6490         (Input_arguments::start_lib): New.
6491         (Input_arguments::end_lib): New.
6492         * options.h (General_options): Add start_lib and end_lib.
6493         (Input_argument::lib_): New.
6494         (Input_argument::lib): New.
6495         (Input_argument::is_lib): New.
6496         (Input_file_lib): New.
6497         (Input_arguments::in_lib_): New.
6498         (Input_arguments::in_lib): New.
6499         (Input_arguments::start_lib): New.
6500         (Input_arguments::end_lib_): New.
6501         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6502         in unused members as preempted.
6503         (Sized_pluginobj::do_should_include_member): New.
6504         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6505         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6506         return the blocker.
6507         (Read_symbols::do_whole_lib_group): New.
6508         (Read_symbols::do_lib_group): New.
6509         (Read_symbols::do_read_symbols): Handle lib groups.
6510         (Read_symbols::get_name): Handle lib groups.
6511         * readsyms.h (Read_symbols): Add an archive member pointer.
6512         (Read_symbols::do_whole_lib_group): New.
6513         (Read_symbols::do_lib_group): New.
6514         (Read_symbols::member_): New.
6515         * script.cc (read_input_script): Update call to queue_soon.
6516
6517 2010-03-19  Doug Kwan  <dougkwan@google.com>
6518
6519         * arm.cc (Stub_table::Stub_table): Initialize new data members
6520         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6521         (Stub_table::add_reloc_stub): Assign stub offset and update
6522         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6523         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6524         New data members.
6525         (Stub_table::update_data_size_and_addralign): Use
6526         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6527         instead of going over all reloc stubs.
6528         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6529         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6530         Stringpool_template::offset_ to size of Stringpool_char.
6531         (Stringpool_template::new_key_offset): Remove code to initialize
6532         Stringpool_template::offset_.
6533         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6534         Stringpool_template::offset_ to zero.
6535
6536 2010-03-15  Doug Kwan  <dougkwan@google.com>
6537
6538         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6539         offset_.
6540         (Stringpool_template::new_key_offset): New method.
6541         (Stringpool_template::add_string): Assign offsets when adding new
6542         strings.
6543         (Stringpool_template::set_string_offsets): Do not set string offsets
6544         when not optimizing.
6545         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6546         member size_.
6547         (Chunked_vector::clear): Clear size_.
6548         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6549         (Chunked_vector::size): Return size_.
6550         (Chunked_vector::push_back): Use size_ to find insert position.
6551         (Chunked_vector::size_): New data member.
6552         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6553         (Stringpool_template::new_key_offset): New method declaration.
6554         (Stringpool_template::offset_): New data member.
6555
6556 2010-03-15   Rafael Espindola  <espindola@google.com>
6557
6558         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6559         Add_symbols' constructor.
6560         * readsyms.h (Add_symbols): Remove the input_group member.
6561
6562 2010-03-10  Ian Lance Taylor  <iant@google.com>
6563
6564         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6565         target to ask whether a reference to a symbol requires a stack
6566         split.
6567         * target.h (Target::is_call_to_non_split): New function.
6568         (Target::do_is_call_to_non_split): Declare virtual function.
6569         * target.cc: Include "symtab.h".
6570         (Target::do_is_call_to_non_split): New function.
6571         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6572
6573 2010-03-10  Cary Coutant  <ccoutant@google.com>
6574
6575         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6576         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6577         (File_read::open[2]): Add whole_file_view_ to list of views.
6578         (File_read::make_view): Remove test of whole_file_view_.
6579         (File_read::find_or_make_view): Create whole_file_view_ if
6580         necessary.
6581         (File_read::clear_views): Replace bool parameter with enum;
6582         adjust all callers.  Don't delete views with permanent data;
6583         do delete cached views and views from archives if
6584         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6585         if clearing the corresponding view.
6586         * fileread.h (File_read::Clear_views_mode): New enum.
6587         (File_read::View::is_permanent_view): New method.
6588         (File_read::clear_views): Replace bool parameter
6589         with enum; adjust all callers.
6590         * options.h (General_options): Change keep_files_mapped option;
6591         add map_whole_files.
6592         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6593         releasing the file.
6594         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6595         the file.
6596
6597 2010-03-10  David S. Miller  <davem@davemloft.net>
6598
6599         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6600
6601 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6602
6603         * icf.cc (get_section_contents): Add '@' marker after processing the
6604         merge reloc.
6605
6606 2010-03-08  Doug Kwan  <dougkwan@google.com>
6607
6608         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6609         due to a conversion warning.
6610         (Arm_relobj::update_output_local_symbol_count): Check for local
6611         symbol with unset output index.
6612
6613 2010-03-05  Ian Lance Taylor  <iant@google.com>
6614
6615         * options.h (class General_options): Add --spare-dynamic-tags.
6616         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6617         --spare-dynamic-tags.
6618
6619 2010-03-05  Ian Lance Taylor  <iant@google.com>
6620
6621         * incremental.cc: Include "libiberty.h".
6622
6623 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6624
6625         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6626         function, is_info_ member.
6627         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6628         (Versions::Versions): Update caller.
6629         (Versions::define_base_version): Likewise.
6630         (Versions::add_def): Likewise.
6631
6632 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6633
6634         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6635         (Scan::possible_function_pointer_reloc): New function.
6636         (Scan::local_reloc_may_be_function_pointer): Change to call
6637         possible_function_pointer_reloc.
6638         (Scan::global_reloc_may_be_function_pointer): Ditto.
6639         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6640         relocations in ".data.rel.ro._ZTV" section.
6641         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6642         * testsuite/icf_safe_so_test.cc: Ditto.
6643         * testsuite/icf_safe_test.cc: Ditto.
6644         * testsuite/icf_safe_test.sh: Ditto.
6645
6646 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6647             Ian Lance Taylor  <iant@google.com>
6648
6649         * target-reloc.h (relocate_section): Check the symbol table index
6650         for -1U before setting the local symbol index.
6651         (scan_relocatable_relocs): If copying the relocation, record that
6652         the local symbol is required.
6653         * object.h (Symbol_value::is_output_symtab_index_set): New
6654         function.
6655         (Symbol_value::may_be_discarded_from_output_symtab): New
6656         function.
6657         (Symbol_value::has_output_symtab_entry): New function.
6658         (Symbol_value::needs_output_symtab_entry): Remove.
6659         (Symbol_value::output_symtab_index): Make sure the symbol index is
6660         set.
6661         (Symbol_value::set_output_symtab_index): Make sure the symbol
6662         index is not set.  Make sure the new index is valid.
6663         (Symbol_value::set_must_have_output_symtab_entry): New function.
6664         (Symbol_value::has_output_dynsym_entry): New function.
6665         (Symbol_value::set_output_dynsym_index): Make sure the new index
6666         is valid.
6667         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6668         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6669         local symbol if permitted.
6670         (Sized_relobj::do_finalize_local_symbols): Call
6671         is_output_symtab_index_set rather than needs_output_symtab_entry.
6672         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6673         rather than needs_output_symtab_entry.  Call
6674         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6675         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6676         is_output_symtab_index_set rather than needs_output_symtab_entry.
6677         * testsuite/discard_locals_relocatable_test.c: New file.
6678         * testsuite/discard_locals_test.sh: Test -r.
6679         * testsuite/Makefile.am (check_DATA): Add
6680         discard_locals_relocatable_test1.syms,
6681         discard_local_relocatable_test2.syms.
6682         (MOSTLYCLEANFILES): Likewise.  Also add
6683         discard_locals_relocatable_test1.lout and
6684         discard_locals_relocatable_test2.out.
6685         (discard_locals_relocatable_test1.syms): New target.
6686         (discard_locals_relocatable_test.o): New target.
6687         (discard_locals_relocatable_test1.out): New target.
6688         (discard_locals_relocatable_test2.syms): New target.
6689         (discard_locals_relocatable_test2.out): New target.
6690         (various): Add missing ../ld-new dependencies.
6691         * testsuite/Makefile.in: Rebuild.
6692
6693 2010-03-03  Nick Clifton  <nickc@redhat.com>
6694
6695         * po/fi.po: New Finnish translation.
6696
6697 2010-03-01  Doug Kwan  <dougkwan@google.com>
6698
6699         * layout.cc (Layout::Layout): Force section types of .init_array*,
6700         .preinit_array* and .fini_array* sections.
6701         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6702         Fix check of return value of std::string::find.().
6703         (Output_section::Input_section_sort_compare::operator()): Remove
6704         comment about .init_array.
6705         (Output_section::Input_section_sort_init_fini_compare::operator()):
6706         New method.
6707         (Output_section::sort_attached_input_sections): Handle .init_array
6708         and .fini_array specially.
6709         * output.h (Output_section::Inut_section_sort_compare): Update
6710         comment.
6711         (Output_section::Input_section_sort_init_fini_compare): New struct.
6712
6713 2010-02-26  Doug Kwan  <dougkwan@google.com>
6714
6715         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6716         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6717         * testsuite/debug_msg.sh: Avoid matching source line number for
6718         use of global variable undef_int.
6719
6720 2010-02-26  Doug Kwan  <dougkwan@google.com>
6721
6722         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6723         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6724         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6725         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6726         * options.cc (General_options::General_options): Initialize member
6727         fix_v4bx_.
6728         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6729         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6730         and rm_no_fix_v4bx.stdout
6731         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6732         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6733         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6734         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6735         and arm_no_fix_v4bx.
6736         * Makefile.in: Regenerate.
6737         * testsuite/arm_fix_v4bx.s: New file.
6738         * testsuite/arm_fix_v4bx.sh: Ditto.
6739
6740 2010-02-24  Doug Kwan  <dougkwan@google.com>
6741
6742         * arm.cc (Target_arm::got_section): Make the .got section the first
6743         non RELRO section in the data segment.
6744         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6745         suffixes of section names.
6746
6747 2010-02-24  Doug Kwan  <dougkwan@google.com>
6748
6749         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6750         flags and attributes merging if an input file is a binary file.
6751         * fileread.cc (Input_file::open): Record format of original file.
6752         * fileread.h (Input_file::Format): New enum type.
6753         (Input_file::Input_file): Initialize data member format_.
6754         (Input_file::format): New method definition.
6755         (Input_file::format_):: New data member.
6756
6757 2010-02-24  Doug Kwan  <dougkwan@google.com>
6758
6759         * arm.cc (Arm_output_data_got): New class.
6760         (ARM_TCB_SIZE): New constant
6761         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6762         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6763         If user uses a script with a SECTIONS clause, issue only a warning
6764         for a misplaced EXIDX input section.  Otherwise, issue an error.
6765         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6766         garbage collection.
6767         (Target_arm::got_mode_index_entry): Handle static linking.
6768         (Target_arm::Scan::local): Ditto.
6769         (Target_arm::Scan::global): Ditto.
6770         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6771         all incorrectly implemented relocations.
6772         (Target_arm::fix_exidx_coverage): Pass layout to
6773         Arm_output_section::fix_exidx_coverage.
6774         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6775         from ".ARM.exidx." and ".ARM.extab.".
6776
6777 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6778
6779         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6780         section if it does not already exist.
6781         * attributes.cc (Attributes_section_data::Attributes_section_data):
6782         Don't crash if size is zero.
6783
6784 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6785             Ian Lance Taylor  <iant@google.com>
6786
6787         * gold.cc (queue_middle_tasks): If no input files were opened,
6788         exit.
6789         * workqueue.h (Task_function::Task_function): Assert that there is
6790         a blocker.
6791
6792 2010-02-22  Doug Kwan  <dougkwan@google.com>
6793
6794         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6795         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6796         types to avoid warnings due to different uint64_t implementations
6797         on different hosts.
6798
6799 2010-02-21  Doug Kwan  <dougkwan@google.com>
6800
6801         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6802         handling of the maximum backward branch offset.
6803         (Arm_relocate_functions::thumb_branch_common): Ditto.
6804         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6805         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6806         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6807         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6808         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6809         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6810         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6811         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6812         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6813         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6814         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6815         thumb2_bl_out_of_range.o): New rules.
6816         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6817         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6818         thumb2_bl_out_of_range
6819         * testsuite/Makefile.in: Regenerate.
6820         * testsuite/arm_bl_in_range.s: New file.
6821         * testsuite/arm_bl_out_of_range.s: Ditto.
6822         * testsuite/arm_branch_in_range.sh: Ditto.
6823         * testsuite/arm_branch_range.t: Ditto.
6824         * testsuite/thumb2_branch_range.t: Ditto.
6825         * testsuite/thumb_bl_in_range.s: Ditto.
6826         * testsuite/thumb_bl_out_of_range.s: Ditto.
6827         * testsuite/thumb_branch_range.t: Ditto.
6828
6829 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6830
6831         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6832         Add reloc offset information.
6833         * icf.cc (get_section_contents): Change iterators to point to the new
6834         vectors. Add reloc offset information to the contents.
6835         * icf.h (Icf::Sections_reachable_info): New typedef.
6836         (Icf::Sections_reachable_list): New typedef.
6837         (Icf::Offset_info): New typedef.
6838         (Icf::Reloc_info): New struct typedef.
6839         (Icf::Reloc_info_list): New typedef.
6840         (Icf::symbol_reloc_list): Delete method.
6841         (Icf::addend_reloc_list): Delete method.
6842         (Icf::section_reloc_list): Delete method.
6843         (Icf::reloc_info_list): New method.
6844         (Icf::reloc_info_list_): New member.
6845
6846 2010-02-19  Doug Kwan  <dougkwan@google.com>
6847
6848         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6849         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6850         * arm.cc (Arm_relocation_functions): New forward declaration.
6851         (Target_arm::Target_arm): Initialize new data members
6852         got_mod_index_offset_ and tls_base_symbol_defined_.
6853         (Target_arm::Relocate::relocate_tls): New method.
6854         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6855          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6856         New methods.
6857         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6858         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6859         (Target_arm::got_mod_index_offset_,
6860         Target_arm::tls_base_symbol_defined_): New data members.
6861         (Target_arm::Scan::local, Target::Scan::global,
6862         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6863         relocations.
6864
6865 2010-02-18  Doug Kwan  <dougkwan@google.com>
6866
6867         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6868         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6869         text section as a parameter becuase some broken tools may not set
6870         the link in section header.
6871         (Target_arm::has_got_section): New method.
6872         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6873         without any mapping symbol as data only.  Remove warning.
6874         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6875         link in its section header, try to discover the link by inspecting the
6876         REL31 relocation at the beginning of the section.
6877         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6878         in error message.
6879         (Target_arm::Scan::global): Treat any reference to the symbol
6880         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6881
6882 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6883
6884         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6885         (Scan::global_reloc_may_be_function_pointer): New function.
6886         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6887         (Scan::global_reloc_may_be_function_pointer): New function.
6888         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6889         (Scan::global_reloc_may_be_function_pointer): New function.
6890         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6891         (Scan::global_reloc_may_be_function_pointer): New function.
6892         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6893         (Scan::global_reloc_may_be_function_pointer): New function.
6894         (Scan::possible_function_pointer_reloc): New function.
6895         (Target_x86_64::can_check_for_function_pointers): New function.
6896         * gc.h (gc_process_relocs): Scan relocation types to determine if
6897         function pointers were taken for targets that support it.
6898         * icf.cc (Icf::find_identical_sections): Include functions for
6899         folding in safe ICF whose pointer is not taken.
6900         * icf.h (Secn_fptr_taken_set): New typedef.
6901         (fptr_section_id_): New member.
6902         (section_has_function_pointers): New function.
6903         (set_section_has_function_pointers): New function.
6904         (check_section_for_function_pointers): New function.
6905         * options.h: Fix comment for safe ICF option.
6906         * target.h (can_check_for_function_pointers): New function.
6907         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6908         Modify icf_safe_test for X86-64.
6909         * testsuite/Makefile.in: Regenerate.
6910         * testsuite/icf_safe_so_test.cc: New file.
6911         * testsuite/icf_safe_so_test.sh: New file.
6912         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6913         (main): Change to take pointer to function kept_func_3.
6914         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6915         folding is done correctly for X86-64.
6916
6917 2010-02-12  David S. Miller  <davem@davemloft.net>
6918
6919         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6920         is_symbolless parameter.
6921         (Output_reloc<SHT_REL>::is_symbolless): New.
6922         (Output_reloc<SHT_REL>::is_symbolless_): New.
6923         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6924         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6925         (Output_reloc<SHT_RELA>::is_symbolless): New.
6926         (Output_data_reloc::add_global): Handle is_symbolless.
6927         (Output_data_reloc::add_global_relative): Likewise.
6928         (Output_data_reloc::add_local): Likewise.
6929         (Output_data_reloc::add_local_relative): Likewise.
6930         (Output_data_reloc::add_symbolless_global_addend): New.
6931         (Output_data_reloc::add_symbolless_local_addend): New.
6932         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6933         is_symbolless.
6934         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6935         instead of ->is_relative_
6936         (Output_reloc::write): Likewise.
6937         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6938         (Output_reloc::write_rel): Simplify.
6939
6940         * sparc.cc (Target_sparc::Scan::local): Use
6941         ->add_symbolless_local_addend as needed.
6942         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6943         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6944         based upon relocation offset.
6945
6946 2010-02-11  Doug Kwan  <dougkwan@google.com>
6947
6948         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6949         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6950         beginning of function.
6951         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6952         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6953         parameter is_32bit in calls to should_apply_static_reloc.
6954         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6955         (check_DATA): Add arm_abs_global.stdout.
6956         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6957         arm_abs_global.stdout): New rules.
6958         (MOSTLLYCLEANFILES): Add arm_abs_global
6959         * Makefile.in: Regenerate.
6960         * testsuite/arm_abs_global.s: New file.
6961         * testsuite/arm_abs_global.sh: Ditto.
6962         * testsuite/arm_abs_lib.s: Ditto.
6963
6964 2010-02-11  Ian Lance Taylor  <iant@google.com>
6965
6966         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6967         Read_relocs task.
6968         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6969         Allocate_commons_task first.
6970         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6971         task, rather than symtab_lock_.
6972         (Gc_process_relocs::~Gc_process_relocs): New function.
6973         (Gc_process_relocs::is_runnable): Check this_blocker_.
6974         (Gc_process_relocs::locks): Use next_blocker_ rather than
6975         blocker_.
6976         (Scan_relocs::~Scan_relocs): New function.
6977         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6978         symtab_lock_.
6979         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6980         next_blocker_.
6981         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6982         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6983         constructor accordingly.
6984         (class Gc_process_relocs): Likewise.
6985         (class Scan_relocs): Likewise.
6986         * common.h (class Allocate_commons_task): Remove symtab_lock_
6987         field, and corresponding constructor parameter.
6988         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6989         symtab_lock_.
6990         (Allocate_commons_task::locks): Likewise.
6991
6992 2010-02-11  Ian Lance Taylor  <iant@google.com>
6993
6994         * gold-threads.h (class Once): Define.
6995         (class Initialize_lock): Rewrite as child of Once.
6996         * gold-threads.cc (class Once_initialize): Define.
6997         (once_pointer_control): New static variable.
6998         (once_pointer, once_arg): New static variables.
6999         (c_run_once): New static function.
7000         (Once::Once, Once::run_once, Once::internal_run): New functions.
7001         (class Initialize_lock_once): Remove.
7002         (initialize_lock_control): Remove.
7003         (initialize_lock_pointer): Remove.
7004         (initialize_lock_once): Remove.
7005         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7006         (Initialize_lock::initialize): Rewrite.
7007         (Initialize_lock::do_run_once): New function.
7008         * archive.cc (Archive::interpret_header): Only clear name if it is
7009         not already empty.
7010         * fileread.cc: Include "gold-threads.h"
7011         (file_counts_lock): New static variable.
7012         (file_counts_initialize_lock): Likewise.
7013         (File_read::release): Only increment counts when using --stats.
7014         Use a lock around the increment.
7015         * parameters.cc (class Set_parameters_target_once): Define.
7016         (set_parameters_target_once): New static variable.
7017         (Parameters::Parameters): Move here from parameters.h.
7018         (Parameters::set_target): Rewrite.
7019         (Parameters::set_target_once): New function.
7020         (Parameters::clear_target): Move here and rewrite.
7021         * parameters.h (class Parameters): Update declarations.  Add
7022         set_parameters_target_once_ field.
7023         (Parameters::Parameters): Move to parameters.cc.
7024         (Parameters::clear_target): Likewise.
7025         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7026         task.
7027         (Start_group::~Start_group): New function.
7028         (Start_group::is_runnable): New function.
7029         (Start_group::locks, Start_group::run): New functions.
7030         (Finish_group::run): Change saw_undefined to size_t.
7031         * readsyms.h (class Start_group): Define.
7032         (class Finish_group): Change saw_undefined_ field to size_t.
7033         (Finish_group::Finish_group): Remove saw_undefined and
7034         this_blocker parameters.  Change all callers.
7035         (Finish_group::set_saw_undefined): New function.
7036         (Finish_group::set_blocker): New function.
7037         * symtab.h (class Symbol_table): Change saw_undefined to return
7038         size_t.  Change saw_undefined_ field to size_t.
7039         * target-select.cc (Set_target_once::do_run_once): New function.
7040         (Target_selector::Target_selector): Initialize set_target_once_
7041         field.  Don't initialize lock_ and initialize_lock_ fields.
7042         (Target_selector::instantiate_target): Rewrite.
7043         (Target_selector::set_target): New function.
7044         * target-select.h (class Set_target_once): Define.
7045         (class Target_selector): Update declarations.  Make
7046         Set_target_once a friend.  Remove lock_ and initialize_lock_
7047         fields.  Add set_target_once_ field.
7048
7049 2010-02-10  Ian Lance Taylor  <iant@google.com>
7050
7051         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7052         queueing any tasks.
7053         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7054         (queue_middle_tasks): Add all blockers before queueing any tasks.
7055         (queue_final_tasks): Likewise.
7056         * token.h (Task_token::add_blockers): New function.
7057         * object.h (Input_objects::number_of_relobjs): New function.
7058
7059 2010-02-10  Ian Lance Taylor  <iant@google.com>
7060
7061         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7062         shared, not if not position independent.
7063         * x86_64.cc (Relocate::relocate_tls): Likewise.
7064         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7065         (tls_pie_pic_test): New target.
7066         * testsuite/Makefile.in: Rebuild.
7067
7068         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7069         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7070         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7071         * testsuite/Makefile.in: Rebuild.
7072
7073 2010-02-09  David S. Miller  <davem@davemloft.net>
7074
7075         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7076         R_SPARC_RELATIVE using ->add_local_relative().
7077         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7078
7079         * output.h (Output_data_dynamic::add_section_size): New method
7080         that takes two Output_data objects.
7081         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7082         entry param.  Handle it in initializers.
7083         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7084         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7085         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7086         arg.
7087         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7088         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7089         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7090         for dynrel_includes_plt.
7091         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7092         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7093         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7094         before .rela.plt
7095         (Target_sparc::do_finalize_sections): Update to pass true for
7096         dynrel_includes_plt.
7097         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7098         output before .rela.plt
7099         (Target_powerpc::do_finalize_sections): Update to pass true for
7100         dynrel_includes_plt when 32-bit.
7101
7102 2010-02-08  Doug Kwan  <dougkwan@google.com>
7103
7104         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7105         method.
7106         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7107         Arm_relobj::scan_section_for_cortex_a8_stubs,
7108         Arm_relobj::do_relocation_section): Instead of calling
7109         Output_section::output_address, use faster
7110         Arm_relobj::simple_input_section_output_address.
7111
7112 2010-02-08  David S. Miller  <davem@davemloft.net>
7113
7114         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7115         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7116         relocation helper function.
7117
7118         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7119         just like R_SPARC_GOT{10,13,22}.
7120         (Target_sparc::Scan::local): Likewise.
7121         (Target_sparc::Relocate:relocate): Likewise.
7122
7123 2010-02-06  Ian Lance Taylor  <iant@google.com>
7124
7125         * configure.ac: Rewrite targetobjs duplicate removal code to use
7126         only shell constructs.
7127         * configure: Rebuild.
7128
7129 2010-02-05  Doug Kwan  <dougkwan@google.com>
7130
7131         PR 11247
7132         * arm.cc (Arm_relobj::section_is_scannable): New method.
7133         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7134         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7135
7136 2010-02-04  Doug Kwan  <dougkwan@google.com>
7137
7138         PR 11247
7139         * arm-reloc-property.cc (cstdio): Include.
7140         * configure.ac (targetobjs): Remove duplicates.
7141         * configure: Regenerate.
7142         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7143         big and little endian version for a given address size.
7144
7145 2010-02-03  Doug Kwan  <dougkwan@google.com>
7146
7147         * arm-reloc-property.cc
7148         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7149         definition.
7150         * arm-reloc-property.h
7151         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7152         New method definition.
7153         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7154         declaration.
7155         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7156         overflow to N.
7157         (GOT_PREL): Change implemented to Y.
7158         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7159         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7160         (Arm_relocate_functions::movw_abs_nc): Remove method.
7161         (Arm_relocate_functions::movt_abs): Ditto.
7162         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7163         (Arm_relocate_functions::thm_movt_abs): Ditto.
7164         (Arm_relocate_functions::movw_rel_nc): Ditto.
7165         (Arm_relocate_functions::movw_rel): Ditto.
7166         (Arm_relocate_functions::movt_rel): Ditto.
7167         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7168         (Arm_relocate_functions:thm_movw_rel): Ditto.
7169         (Arm_relocate_functions:thm_movt_rel): Ditto.
7170         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7171         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7172         New method definitions.
7173         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7174         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7175         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7176         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7177         (Target_arm::Relocate::relocate): Check for non-static or
7178         unimplemented relocation code and exit early.  Change calls to
7179         Target_arm::reloc_uses_thumb_bit and
7180         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7181         instead.  Refactor code to handle similar relocations to increase
7182         code sharing.  Remove check for unsupported relocation code in switch
7183         statement.
7184         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7185         relocation property table to find out size.  Change error message to
7186         print out the name of a relocation code instead of the numeric value.
7187         (Target_arm::scan_reloc_for_stub): Use relocation property table
7188         instead of calling Target_arm::reloc_uses_thumb_bit().
7189
7190 2010-02-02  Doug Kwan  <dougkwan@google.com>
7191
7192         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7193         types of relaxed input section.
7194
7195 2010-02-02  Doug Kwan  <dougkwan@google.com>
7196
7197         * Makefile.am (HFILES): Add arm-reloc-property.h.
7198         (DEFFILES): New.
7199         (TARGETSOURCES): Add arm-reloc-property.cc
7200         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7201         (libgold_a_SOURCES): $(DEFFILES)
7202         * Makefile.in: Regenerate.
7203         * arm-reloc-property.cc: New file.
7204         * arm-reloc-property.h: New file.
7205         * arm-reloc.def: New file.
7206         * arm.cc: Update comments.
7207         (arm-reloc-property.h): New included header.
7208         (arm_reloc_property_table): New global variable.
7209         (Target_arm::do_select_as_default_target): New method definition.
7210         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7211         arm-reloc-property to targ_extra_obj.
7212         * parameters.cc (set_parameters_target): Call
7213         Target::select_as_default_target().
7214         * target.h (Target::select_as_default_target): New method definition.
7215         (Target::do_select_as_default_target): Same.
7216
7217 2010-02-01  Doug Kwan  <dougkwan@google.com>
7218
7219         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7220         first_output_text_section_.
7221         (Arm_exidx_fixup::first_output_text_section): New method definition.
7222         (Arm_exidx_fixup::first_output_text_section_): New data member.
7223         (Arm_exidx_fixup::process_exidx_section): Record the first text
7224         output section seen.
7225         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7226         and entsize in output section header.
7227
7228 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7229
7230         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7231         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7232         (Arm_relocate_functions::thm_alu11): New Method.
7233         (Arm_relocate_functions::thm_pc8): New Method.
7234         (Arm_relocate_functions::thm_pc12): New Method.
7235         (Target_arm::Scan::local): Handle the relocations.
7236         (Target_arm::Scan::global): Likewise.
7237         (Target_arm::Relocate::relocate): Likewise.
7238         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7239
7240 2010-01-29  Doug Kwan  <dougkwan@google.com>
7241
7242         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7243         of relocation types as ld.
7244
7245 2010-01-29  Doug Kwan  <dougkwan@google.com>
7246
7247         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7248         to public.
7249         (Arm_relocate_functions::thumb_branch_common): Ditto.
7250         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7251         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7252         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7253         Arm_relocate_functions::jump24): Remove.
7254         (Target_arm::Relocate::relocate): Adjust code to call
7255         Arm_relocation_functions::arm_branch_common and
7256         Arm_relocation_functions::thumb_branch_common instead of their removed
7257         wrappers.  Merge switch-cases together to reduce source code size.
7258
7259 2010-01-29  Doug Kwan  <dougkwan@google.com>
7260
7261         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7262         output_local_symbol_count_needs_update_.
7263         (Arm_relobj::output_local_symbol_count_needs_update,
7264          Arm_relobj::set_output_local_symbol_count_needs_update,
7265          Arm_relobj::update_output_local_symbol_count): New methods.
7266         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7267         member.
7268         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7269         of pointed function as in a R_ARM_PREL31 relocation.
7270         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7271         for output local symbol count updating.
7272         (Target_arm::do_relax): Update output local symbol counts in objects
7273         if necessary.
7274         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7275
7276 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7277
7278         * arm.cc: Added support for the ARM relocations:
7279         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7280         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7281         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7282         movw_prel_nc).
7283         (Arm_relocate_functions::movw_rel): New method.
7284         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7285         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7286         thm_movw_prel_nc).
7287         (Arm_relocate_functions::thm_movw_rel): New method.
7288         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7289         thm_movt_prel).
7290         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7291         relocations.
7292         (Target_arm::Scan::global): Likewise.
7293         (Target_arm::Relocate::relocate): Likewise.
7294         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7295         Likewise.
7296
7297 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7298
7299         * arm.cc: Added support for ARM group relocations.
7300         (Target_arm::reloc_needs_sym_origin): New method.
7301         (Arm_relocate_functions::calc_grp_kn): New method.
7302         (Arm_relocate_functions::calc_grp_residual): New method.
7303         (Arm_relocate_functions::calc_grp_gn): New method.
7304         (Arm_relocate_functions::arm_grp_alu): New Method.
7305         (Arm_relocate_functions::arm_grp_ldr): New Method.
7306         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7307         (Arm_relocate_functions::arm_grp_ldc): New Method.
7308         (Target_arm::Scan::local): Handle the ARM group relocations.
7309         (Target_arm::Scan::global): Likewise.
7310         (Target_arm::Relocate::relocate): Likewise.
7311         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7312         Likewise.
7313
7314 2010-01-26  Doug Kwan  <dougkwan@google.com>
7315
7316         * arm.cc (set): Include.
7317         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7318         pointer type.
7319         (Arm_output_section::Text_section_list): New type.
7320         (Arm_output_section::append_text_sections_to_list): New method.
7321         (Arm_output_section::fix_exidx_coverage): Ditto.
7322         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7323         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7324         Relobj::set_section_offset() instead of
7325         Sized_relobj::invalidate_section_offset().
7326         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7327         parameter for section headers. Ignore relocation sections for
7328         unallocated sections and EXIDX sections.
7329         (Target_arm::fix_exidx_coverage): New method.
7330         (Target_arm::output_section_address_less_than): New type.
7331         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7332         linked text section instead of the EXIDX section.
7333         (Arm_output_section::create_stub_group): Add an assertion to check
7334         that this is not an EXIDX output section.
7335         (Arm_output_section::append_text_sections_to_list): New method.
7336         (Arm_output_section::fix_exidx_coverage): Ditto.
7337         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7338         Arm_relobj::section_needs_reloc_stub_scanning.
7339         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7340         first pass.
7341         (Target_arm::fix_exidx_coverage): New method.
7342         * object.h (Relobj::set_output_section): New method.
7343         (Sized_relobj::invalidate_section_offset): Remove method.
7344         (Sized_relobj::do_invalidate_section_offset): Remove method.
7345         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7346
7347 2010-01-25  Doug Kwan  <dougkwan@google.com>
7348
7349         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7350         Fix warning due to signed and unsigned comparison on a 32-bit host.
7351
7352 2010-01-22  Doug Kwan  <dougkwan@google.com>
7353
7354         * arm.cc (Target_arm::do_relax): Record an output section for section
7355         offset adjustment it contains any stub table that has changed.
7356         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7357         offsets in an output section if necessary.
7358         * output.cc (Output_section::Output_section): Initialize
7359         section_offsets_need_adjustments_.
7360         (Output_section::add_input_section_for_script): Renamed to
7361         Output_section::add_simple_input_section.
7362         (Output_section::save_states): Add a comment.
7363         (Output_section::discard_states): New method defintion.
7364         (Output_section::adjust_section_offsets): Same.
7365         * output.h (Output_section::add_input_section_for_script): Renamed to
7366         Output_section::add_simple_input_section.
7367         (Output_section::discard_states): New method declaration.
7368         (Output_section::adjust_section_offsets): Same.
7369         (Output_section::section_offsets_need_adjustment,
7370         Output_section::set_section_offsets_need_adjustment): New method
7371         definitions.
7372         (Output_section::section_offsets_need_adjustment_): New data member.
7373         * script-sections.cc
7374         (Output_section_element_input::set_section_address): Adjust code for
7375         renaming of Output_section::add_input_section_for_script.
7376         (Orphan_output_section::set_section_address): Same.
7377
7378 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7379
7380         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7381         Fix_v4bx enum values .
7382         * gold/options.h (General_options): New option definitions.
7383         (General_options::fix_v4bx): New method.
7384         (General_options::Fix_v4bx): New enum.
7385         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7386         (General_options::parse_fix_v4bx_interworking): New method.
7387
7388 2010-01-22  Doug Kwan  <dougkwan@google.com>
7389
7390         * arm.cc (Arm_exidx_fixup): New class.
7391
7392 2010-01-21  Doug Kwan  <dougkwan@google.com>
7393
7394         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7395         classes.
7396         (Arm_exidx_section_offset_map): New type.
7397
7398 2010-01-21  Doug Kwan  <dougkwan@google.com>
7399
7400         * arm.cc (Arm_exidx_input_section): New class.
7401         (Arm_relobj::exidx_input_section_by_link,
7402         Arm_relobj::exidx_input_section_by_shndx,
7403         Arm_relobj::make_exidx_input_section): New methods.
7404         (read_arm_attributes_section): Remove.
7405         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7406         information about them.
7407         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7408         to here.
7409
7410 2010-01-20  Doug Kwan  <dougkwan@google.com>
7411
7412         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7413         Input_section_specifier to Section_id.
7414         (Target_arm::new_arm_input_section: Adjust code for change of key
7415         type.
7416         (Target_arm::find_arm_input_section): Ditto.
7417         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7418         (Section_id): Remove.
7419         (Garbage_collection::Section_id_hash): Remove.
7420         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7421         (Section_id): Remove.
7422         (Icf::Section_id_hash): Remove.
7423         * object.h (Section_id, Const_section_id, Section_id_hash,
7424         Const_section_id_hash): New type definitions.
7425         * output.cc (Output_section::add_relaxed_input_section): Change to
7426         use Const_section_id instead of Input_section_specifier as key type.
7427         (Output_section::add_merge_input_section): Ditto.
7428         (Output_section::build_relaxation_map): Change to use Section_id
7429         instead of Input_section_specifier as key type.
7430         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7431         Ditto.
7432         (Output_section::convert_input_sections_to_relaxed_sections): Change
7433         to use Const_section_id instead of Input_section_specifier as key type.
7434         (Output_section::find_merge_section): Ditto.
7435         (Output_section::find_relaxed_input_section): Ditto.
7436         * output.h (Input_section_specifier): Remove class.
7437         (Output_section::Output_section_data_by_input_section_map): Change
7438         key type to Const_section_id.
7439         (Output_section::Output_relaxed_input_section_by_input_section_map):
7440         Ditto.
7441         (Output_section::Relaxation_map): Change key type to Section_id.
7442
7443 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7444
7445         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7446         (class Arm_v4bx_stub): New class.
7447         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7448         (Stub_factory::make_arm_v4bx_stub): New method.
7449         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7450         (Stub_table::empty): Handle v4bx stubs.
7451         (Stub_table::add_arm_v4bx_stub): New method.
7452         (Stub_table::find_arm_v4bx_stub): New method.
7453         (Arm_relocate_functions::v4bx): New method.
7454         (Target_arm::fix_v4bx): New method.
7455         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7456         (Stub_table::relocate_stubs): Likewise.
7457         (Stub_table::do_write): Likewise.
7458         (Stub_table::update_data_size_and_addralign): Likewise.
7459         (Stub_table::finalize_stubs):  Likewise.
7460         (Target_arm::Scan::local): Likewise.
7461         (Target_arm::Scan::global): Likewise.
7462         (Target_arm::do_finalize_sections): Likewise.
7463         (Target_arm::Relocate::relocate): Likewise.
7464         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7465         Likewise.
7466         (Target_arm::scan_reloc_for_stub): Likewise.
7467         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7468
7469 2010-01-19  Ian Lance Taylor  <iant@google.com>
7470
7471         * output.cc (Output_section_headers::do_sized_write): Write large
7472         segment count to sh_info field.
7473         (Output_file_header::do_sized_write): For large segment count,
7474         write PN_XNUM to e_phnum field.
7475
7476 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7477
7478         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7479         (Arm_relocate_functions::thm_jump8): New function.
7480         (Arm_relocate_functions::thm_jump11): New function.
7481         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7482         R_ARM_THM_JUMP11.
7483         (Target_arm::Scan::global): Likewise.
7484         (Target_arm::Relocate::relocate): Likewise.
7485         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7486         Likewise.
7487
7488 2010-01-14  Doug Kwan  <dougkwan@google.com>
7489
7490         * arm.cc (map, utility): Include headers.
7491         (Target_arm::apply_cortex_a8_workaround): New method.
7492         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7493         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7494         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7495         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7496         the --[no-]fix-cortex-a8 command line options.
7497         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7498         (Target_arm::relocate_stub): Use addend in instruction template.
7499         * options.h (DEFINE_bool): Set the user-set flag.
7500         (General_options): Add --[no-]-fix-cortex options.
7501         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7502         : Update fast look-up map after conversion.
7503
7504 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7505
7506         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7507         in the first pass of do_layout.
7508
7509 2010-01-13  Doug Kwan  <dougkwan@google.com>
7510
7511         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7512         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7513         apparent compiler problem of not folding static constant integral
7514         data members of elfcpp::Elf_sizes<32>.
7515
7516 2010-01-13  Doug Kwan  <dougkwan@google.com>
7517
7518         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7519         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7520         Arm_relobj::scan_section_for_cortex_a8_erratum,
7521         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7522         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7523         sections to scan for relocation stubs into a new method
7524         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7525         relocation and Cortex-A8 stub scanning.
7526         (Target_arm::do_relax): Force stubs to be after stubbed sections
7527         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7528         the beginning of a new relaxation pass.  Update a comment.
7529         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7530
7531 2010-01-12  Ian Lance Taylor  <iant@google.com>
7532
7533         * target-reloc.h (visibility_error): New inline function.
7534         (relocate_section): Call visibility_error.
7535         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7536         (MOSTLYCLEANFILES): Likewise.
7537         (protected_4_pic.o, protected_3.err): New targets.
7538         * testsuite/protected_4.cc: New file.
7539
7540 2010-01-12  Doug Kwan  <dougkwan@google.com>
7541
7542         * arm.cc (Cortex_a8_reloc): New class.
7543         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7544         and cortex_a8_relocs_info_.
7545         (Target_arm::fix_cortex_a8): New method definition.
7546         (Target_arm::Cortex_a8_relocs_info): New type.
7547         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7548         New data member declarations.
7549         (Target_arm::scan_reloc_for_stub): Record information about
7550         relocations for THUMB branches that might be exempted from the
7551         Cortex-A8 workaround.
7552         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7553         at the beginning of a relaxation pass.
7554
7555 2010-01-12  Doug Kwan  <dougkwan@google.com>
7556
7557         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7558         (Arm_relobj::Mapping_symbol_position,
7559          Arm_reloj::Mapping_symbol_position_less,
7560          Arm_relobj::Mapping_symbols_info): New types.
7561         (Target_arm::is_mapping_symbol_name): New method definition.
7562         (Arm_relobj::do_count_local_symbols): Save information about mapping
7563         symbols.
7564
7565 2010-01-11  Doug Kwan  <dougkwan@google.com>
7566
7567         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7568         Arm_relocate_functions::thumb32_branch_upper,
7569         Arm_relocate_functions::thumb32_branch_lower,
7570         Arm_relocate_functions::thumb32_cond_branch_offset,
7571         Arm_relocate_functions::thumb32_cond_branch_upper,
7572         Arm_relocate_functions::thumb32_cond_branch_lower,
7573         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7574         branch offset encoding.
7575         (Arm_relocate_functions::thumb_branch_common): Use new branch
7576         offset encoding methods to avoid code duplication.
7577         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7578         (Stub_addend_reader::operator()): Use new branch encoding method
7579         to avoid code duplication.
7580
7581 2010-01-11  Doug Kwan  <dougkwan@google.com>
7582
7583         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7584         (Target_arm::do_finalize_sections): Define special EXIDX section
7585         symbols only if referenced.
7586         * gc.h (Garbage_collection::add_reference): New method.
7587         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7588         code duplication.
7589
7590 2010-01-11  Ian Lance Taylor  <iant@google.com>
7591
7592         * script.cc (Version_script_info::build_expression_list_lookup):
7593         Change complaing about duplicate wildcard match from error to
7594         warning.
7595
7596         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7597         of 2009-12-30.
7598         (Version_script_info::Version_script_info): Initialize globs_,
7599         default_version_, default_is_global_, and exact_.  Don't
7600         initialize globals_ or locals_.
7601         (Version_script_info::build_lookup_tables): Build local symbols
7602         first.
7603         (Version_script_info::unquote): New function.
7604         (Version_script_info::add_exact_match): New function.
7605         (Version_script_info::build_expression_list_lookup): Remove lookup
7606         parameter.  Add is_global parameter.  Change all callers.  Handle
7607         wildcard pattern specially.  Unquote pattern.  Call
7608         add_exact_match.
7609         (Version_script_info::get_name_to_match): New function.
7610         (Version_script_info::get_symbol_version): New function.
7611         (Version_script_info::get_symbol_version_helper): Remove.
7612         (Version_script_info::check_unmatched_names): Call unquote.
7613         * script.h (class Version_script_info): Change get_symbol_version
7614         to be non-inline and add is_global parameter; change all callers.
7615         Rewrite symbol_is_local.  Update declarations.  Define struct
7616         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7617         Remove globals_ and locals_ members.  Add exact_, globs_,
7618         default_version_, is_global_.
7619         (Version_script_info::Glob): Remove pattern, add expression and
7620         is_global.  Update constructor.  Change all callers.
7621         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7622         default version.
7623         (Versions::symbol_section_contents): If a symbol is undefined, or
7624         defined in a dynamic object, set the version index to
7625         VER_NDX_LOCAL.
7626         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7627         symbol_is_local.
7628         (Symbol_table::add_from_pluginobj): Likewise.
7629         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7630
7631 2010-01-11  Doug Kwan  <dougkwan@google.com>
7632
7633         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7634         (incremental_dump_LDADD): Add linking option for libintl.
7635         * Makefile.in: Regenerate.
7636
7637 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7638
7639         PR gold/11144
7640         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7641         instead of -Ds.
7642         * testsuite/Makefile.in: Regenerated.
7643
7644 2010-01-10  Doug Kwan  <dougkwan@google.com>
7645
7646         * options.h (DEFINE_var): Use parentheses around argument varname__
7647         in macro body to avoid any unintended subsequent substitutions.
7648
7649 2010-01-10  Ian Lance Taylor  <iant@google.com>
7650
7651         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7652         candidates before doing symbol resolution.
7653
7654         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7655         ODR candidates if only one is weak.
7656
7657 2010-01-08  Ian Lance Taylor  <iant@google.com>
7658
7659         * script.cc (Version_script_info::build_expression_list_lookup):
7660         Don't warn about ambiguous version, just record the ambiguity.
7661         (Version_script_info::get_symbol_version_helper): Give error if
7662         version is ambiguous.
7663
7664 2010-01-08  Doug Kwan  <dougkwan@google.com>
7665
7666         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7667         prev_data_size_ and prev_addralign_.  Remove initializer for
7668         deleted data member has_been_changed_.
7669         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7670         to determine if the table is empty.
7671         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7672         Remove.
7673         (Stub_table::add_reloc_stub): Define method in class definition
7674         instead of just declaring it there.
7675         (Stub_table::add_cortex_a8_stub): New method definition.
7676         (Stub_table::update_data_size_and_addralign): Ditto.
7677         (Stub_table::finalize_stubs): Ditto.
7678         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7679         (Stub_table::do_addralign_): Return address alignment in the
7680         (Stub_table::do_reset_address_and_file_offset): Define method in
7681         class definition instead of declaring it there.  Set current data
7682         size to be the data size of the previous pass.
7683         (Stub_table::set_final_data_size): Use current data size as the
7684         final data size.
7685         (Stub_table::relocate_stub): Change parameter type of stub from
7686         Reloc_stub pointer to Stub pointer.
7687         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7688         (Stub_table::Cortex_a8_stub_list): New typedef.
7689         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7690          Stub_table::prev_addralign_): New data member.
7691         (Arm_relobj::Arm_relobj): Initialize data member
7692         section_has_cortex_a8_workaround_.
7693         (Arm_relobj::section_has_cortex_a8_workaround,
7694          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7695          definitions.
7696         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7697         declarations.
7698         (Target_arm::relocate_stub): Change parameter type of stub from
7699         Reloc_stub pointer to Stub pointer.
7700         (Insn_template::size, Insn_template::alignment): Handle
7701         THUMB16_SPECIAL_TYPE.
7702         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7703          Stub_table::update_data_size_and_addralign,
7704          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7705         definitions.
7706         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7707         (Stub_table::do_write): Ditto.
7708         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7709
7710 2010-01-08  Ian Lance Taylor  <iant@google.com>
7711
7712         PR 11108
7713         * symtab.h (class Symbol): Remove fields is_target_special_ and
7714         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7715         (Symbol::is_defined_in_discarded_section): New function.
7716         (Symbol::set_is_defined_in_discarded_section): New function.
7717         (Symbol::has_plt_offset): Rewrite.
7718         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7719         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7720         Don't initialize is_target_special_ or has_plt_offset_.
7721         Initialize is_defined_in_discarded_section_.
7722         (Symbol_table::add_from_relobj): If appropriate, set
7723         is_defined_in_discarded_section.
7724         * resolve.cc (Symbol::override_base_with_special): Don't test
7725         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7726         * target-reloc.h (relocate_section): Do special handling for
7727         symbols defined in discarded sections for global symbols as well
7728         as local symbols.
7729
7730 2010-01-08  Ian Lance Taylor  <iant@google.com>
7731
7732         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7733         the SHT_SYMTAB case.
7734
7735 2010-01-08  Ian Lance Taylor  <iant@google.com>
7736
7737         * object.cc (Sized_relobj::do_layout): Don't get confused if
7738         layout_eh_frame returns NULL.
7739
7740 2010-01-08  Ian Lance Taylor  <iant@google.com>
7741
7742         PR 11084
7743         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7744         dynamic symbol table, use the normal symbol table.
7745         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7746         symbol table.
7747
7748 2010-01-08  Ian Lance Taylor  <iant@google.com>
7749
7750         PR 11072
7751         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7752         sections.
7753
7754 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7755
7756         * version.cc (print_version): Change to "Copyright 2010".
7757
7758 2010-01-08  Ian Lance Taylor  <iant@google.com>
7759
7760         PR 10287
7761         PR 11063
7762         * i386.cc (class Target_i386): Change return type of plt_section
7763         to be non-const.
7764         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7765         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7766         tls_desc_rel_ field.
7767         (Output_data_plt_i386::rel_tls_desc): New function.
7768         (Target_i386::rel_tls_desc_section): New function.
7769         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7770         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7771         R_386_TLS_DESC reloc in rel_tls_desc_section.
7772         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7773         Define struct Tlsdesc_info.
7774         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7775         (Target_x86_64::do_reloc_symbol_index): New function.
7776         (Target_x86_64::add_tlsdesc_info): New function.
7777         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7778         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7779         tlsdesc_rel_ field.
7780         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7781         all callers.
7782         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7783         (Target_x86_64::rela_tlsdesc_section): New function.
7784         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7785         handling.
7786         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7787         (Target_x86_64::do_reloc_addend): New function.
7788         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7789         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7790         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7791         (Output_reloc::type): New function.
7792         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7793         (Output_reloc::is_target_specific): New function.
7794         (Output_reloc::target_arg): New function.
7795         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7796         absolute relocs and target specific relocs.
7797         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7798         add_target_specific.
7799         (class Output_data_reloc) [SHT_RELA]: Likewise.
7800         * output.cc (Output_reloc::Output_reloc): Add four new versions
7801         for absolute relocs and target specific relocs.
7802         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7803         (Output_reloc::get_symbol_index): Likewise.
7804         (Output_reloc::local_section_offset): Check that local_sym_index_
7805         is not TARGET_CODE or 0.
7806         (Output_reloc::symbol_value): Likewise.
7807         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7808         reloc.
7809         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7810         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7811         functions.
7812         * layout.cc (add_target_dynamic_tags): Use output section for
7813         DT_PLTRELSZ and DT_JMPREL.
7814
7815 2010-01-07  Ian Lance Taylor  <iant@google.com>
7816
7817         PR 11061
7818         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7819         function.
7820         (class Output_data_reloc_generic): Define.
7821         (class Output_data_reloc_base): Change base class to
7822         Output_data_reloc_generic.  Change add() method to call
7823         bump_relative_reloc_count for a relative reloc.  Remove
7824         sort_relocs_ field.
7825         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7826         to sort_relocs().
7827         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7828         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7829         appropriate.
7830         * layout.h (class Layout): Update declaration.
7831
7832 2010-01-07  Ian Lance Taylor  <iant@google.com>
7833
7834         * output.h (class Output_data): Add const version of
7835         output_section and do_output_section.
7836         (class Output_section_data): Add const version of
7837         do_output_section.
7838         (class Output_section): Likewise.
7839         * layout.cc (Layout::add_target_dynamic_tags): New function.
7840         * layout.h (class Layout): Update declarations.
7841         * arm.cc (Target_arm::do_finalize_sections): Use
7842         add_target_dynamic_tags.
7843         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7844         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7845         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7846         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7847
7848 2010-01-07  Ian Lance Taylor  <iant@google.com>
7849
7850         PR 11042
7851         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7852         object as needed.
7853
7854 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7855             Ian Lance Taylor  <iant@google.com>
7856
7857         PR 11019
7858         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7859         Xindex::read_symtab_xindex.
7860
7861 2010-01-07  Doug Kwan  <dougkwan@google.com>
7862
7863         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7864         (Insn_template::thumb16_bcond_insn): New method declaration.
7865         (Insn_template): Fix spelling.
7866         (Stub::thumb16_special): New method declaration.
7867         (Stub::do_write): Define virtual method which was previously pure
7868         virtual.
7869         (Stub::do_thumb16_special): New method declaration.
7870         (Stub::do_fixed_endian_write): New template member.
7871         (Reloc_stub::do_write): Remove.
7872         (Reloc_stub::do_fixed_endian_write): Remove.
7873         (Cortex_a8_stub): New class definition.
7874         (Stub_factory::make_cortex_a8_stub): New method definition.
7875         (Stub_factory::Stub_factory): Add missing static storage class
7876         qualifier for elf32_arm_stub_a8_veneer_blx.
7877
7878 2010-01-07  Ian Lance Taylor  <iant@google.com>
7879
7880         PR 10980
7881         * options.h (class General_options): Add --warn-unresolved-symbols
7882         and --error-unresolved-symbols.
7883         * errors.cc (Errors::undefined_symbol): Implement
7884         --warn-unresolved-symbols.
7885
7886         * options.h (class General_options): Add -z text and -z textoff.
7887         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7888
7889 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7890
7891         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7892         (Garbage_collection::cident_sections): New function.
7893         (Garbage_collection::add_cident_section): New function.
7894         (Garbage_collection::cident_sections_): New member.
7895         (gc_process_relocs): Add references to sections whose names are C
7896         identifiers.
7897         * gold.h (cident_section_start_prefix): New constant.
7898         (cident_section_stop_prefix): New constant.
7899         (is_cident): New function.
7900         * layout.cc (Layout::define_section_symbols): Replace string constants
7901         with the newly defined constants.
7902         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7903         C identifiers.
7904         * testsuite/Makefile.am: Add gc_orphan_section_test.
7905         * testsuite/Makefile.in: Regenerate.
7906         * testsuite/gc_orphan_section_test.cc: New file.
7907         * testsuite/gc_orphan_section_test.sh: New file.
7908
7909 2010-01-06  Ian Lance Taylor  <iant@google.com>
7910
7911         PR 10980
7912         * options.h (class General_options): Add --warn-shared-textrel.
7913         * layout.cc (Layout::finish_dynamic_section): Implement
7914         --warn-shared-textrel.
7915
7916         PR 10980
7917         * options.h (class General_options): Add --warn-multiple-gp.
7918
7919 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7920
7921         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7922         $(THREADSLIB) and $(LIBDL).
7923         * Makefile.in: Rebuild.
7924
7925 2010-01-06  Ian Lance Taylor  <iant@google.com>
7926
7927         PR 10980
7928         * options.cc (General_options::parse_section_start): New function.
7929         (General_options::section_start): New function.
7930         (General_options::General_options): Initialize all members.
7931         * options.h: Include <map>
7932         (class General_options): Add --section-start.  Add section_starts_
7933         member.
7934         * layout.cc (Layout::attach_allocated_section_to_segment): If
7935         --section-start was used, set the address of the segment.  Remove
7936         local sort_sections.
7937         (Layout::relaxation_loop_body): If the address of the load segment
7938         has been set by --section-start, don't use it.
7939         * output.h (Output_segment::update_flags_for_output_section): New
7940         function.
7941         * output.cc (Output_segment::add_output_section): Call
7942         update_flags_for_output_section.
7943
7944 2010-01-05  Ian Lance Taylor  <iant@google.com>
7945
7946         PR 10980
7947         * options.h (class General_options): Add --undefined-version.
7948         * script.cc (struct Version_expression): Add was_matched_by_symbol
7949         field.
7950         (Version_script_info::matched_symbol): New function.
7951         (Version_script_info::get_symbol_version_helper): Call
7952         matched_symbol.
7953         (Version_script_info::check_unmatched_names): New function.
7954         * script.h (class Version_script_info): Update declarations.
7955         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7956
7957         * options.h (class General_options): Use DEFINE_bool_alias for
7958         allow_multiple_definition.
7959         * resolve.cc (Symbol_table::should_override): Don't test
7960         allow_multiple_definition.
7961
7962         PR 10980
7963         * options.h (class General_options): Add --cref.
7964         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7965         until after printing cref table.
7966         * cref.cc: Include "symtab.h".
7967         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7968         (Cref_table_compare::operator()): New function.
7969         (Cref_inputs::gather_cref): New function.
7970         (filecol): New static const.
7971         (Cref_inputs::print_cref): New function.
7972         (Cref::print_cref): New function.
7973         * cref.h: Include <cstdio>.
7974         (class Cref): Update declarations.
7975         * mapfile.h (Mapfile::file): New function.
7976         * object.h (class Object): Define Symbols.  Declare virtual
7977         do_get_global_symbols.
7978         (Object::get_global_symbols): New function.
7979         * object.cc (Input_objects::add_object): Pass object to cref_ if
7980         --cref.
7981         (Input_objects::archive_start): Likewise.
7982         (Input_objects::archive_stop): Likewise.
7983         (Input_objects::print_cref): New function.
7984         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7985         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7986         --cref.
7987         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7988         function.
7989         * plugin.h (class Sized_pluginobj): Update declarations.
7990
7991 2010-01-05  Ian Lance Taylor  <iant@google.com>
7992
7993         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7994         to is_default_version.  Rename insdef to insdefault.
7995         (Symbol_table::add_from_relobj): Rename def to is_default_version
7996         and local to is_forced_local.
7997         (Symbol_table::add_from_pluginobj): Likewise.
7998         (Symbol_table::add_from_dynobj): Likewise.
7999         (Symbol_table::define_special_symbol): Rename insdef to
8000         insdefault.
8001
8002 2010-01-04  Ian Lance Taylor  <iant@google.com>
8003
8004         PR 10980
8005         * options.h (class General_options): Add
8006         --allow-multiple-definition and -z muldefs.
8007         * resolve.cc (Symbol_table::should_override): Don't warn about a
8008         multiple symbol definition if --allow-multiple-definition or -z
8009         muldefs.
8010
8011         PR 10980
8012         * options.h (class General_options): Add --add-needed and
8013         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8014         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8015         error if --copy-dt-needed-entries aka --add-needed is used and
8016         would cause a change in behaviour.
8017
8018         PR 10980
8019         * options.h (class General_options): Add -G as a short version of
8020         --shared.  Add no-op options -assert, -g, and -i.
8021
8022 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8023
8024         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8025         check for .text or .gnu.linkonce.t sections.
8026         * icf.cc (Icf::find_identical_sections): Ditto.
8027         Change the detection for mangled function name within the section
8028         name.
8029         * icf.h (is_section_foldable_candidate): New function.
8030
8031 2009-12-30  Ian Lance Taylor  <iant@google.com>
8032
8033         PR 10980
8034         * options.h (class General_options): Permit two dashes with
8035         --retain-symbols-file.
8036
8037 2009-12-30  Ian Lance Taylor  <iant@google.com>
8038
8039         PR 10979
8040         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8041         don't put the file header and segment headers in the text
8042         segment.
8043
8044         PR 10979
8045         * common.cc (Sort_commons::operator()): Stabilize sort when both
8046         entries are NULL.
8047         (Symbol_table::do_allocate_commons_list): When allocating common
8048         symbols, skip a symbol which is no longer common.
8049         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8050         an object before checking its type.
8051         * testsuite/common_test_2.c: New file.
8052         * testsuite/common_test_3.c: New file.
8053         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8054         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8055         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8056         (common_test_2_pic.o, common_test_2.so): New targets.
8057         (common_test_3_pic.o, common_test_3.so): New targets.
8058         * testsuite/Makefile.in: Rebuild.
8059
8060         PR 10979
8061         * script.cc (read_input_script): If we see a new SECTIONS clause,
8062         and we have added an input section, give an error.
8063         * layout.h (class Layout): Add have_added_input_section function.
8064         Add have_added_input_section_ field.
8065         * layout.cc (Layout::Layout): Initialize
8066         have_added_input_section_.
8067         (Layout::layout): Set have_added_input_section_.
8068         (Layout::layout_eh_frame): Likewise.
8069
8070 2009-12-30  Ian Lance Taylor  <iant@google.com>
8071
8072         PR 10931
8073         * options.h (class General_options): Add --sort-common option.
8074         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8075         * common.cc (Sort_common): Add sort_order parameter to
8076         constructor.  Add sort_order_ field.
8077         (Sort_commons::operator): Check sort_order_.
8078         (Symbol_table::allocate_commons): Determine the sort order.
8079         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8080         Change all callers.
8081         (Symbol_table::do_allocate_commons_list): Likewise.
8082
8083 2009-12-30  Ian Lance Taylor  <iant@google.com>
8084
8085         PR 10916
8086         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8087         symbols from this object, don't change the visibility of an
8088         undefined symbol.
8089         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8090
8091 2009-12-30  Ian Lance Taylor  <iant@google.com>
8092
8093         PR 10861
8094         * script.h (class Version_script_info): Define Language enum.
8095         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8096         new fields globals_, locals_, and is_finalized_.
8097         * script.cc: Various formatting fixes.
8098         (class Parser_closure): Change language_stack_ from a vector of
8099         std::string to one of Version_script_info::Language.  Adjust all
8100         uses accordingly.
8101         (class Lazy_demangler): Remove.
8102         (struct Version_expression): Change language from std::string to
8103         Version_script_info::Language.
8104         (Version_script_info::Version_script_info): New function.
8105         (Version_script_info::~Version_script_info): Don't call clear.
8106         (Version_script_info::finalize): New function.
8107         (Version_script_info::build_lookup_tables): New function.
8108         (Version_script_info::build_expression_list_lookup): New
8109         function.
8110         (Version_script_info::get_symbol_version_helper): Rewrite to use
8111         lookup tables.
8112         (Version_script_info::print_expression_list): Adjust to use
8113         Version_script_info::Language.
8114         (script_push_lex_into_version_mode): Check that the version script
8115         has not been finalized.
8116         (version_script_push_lang): Change language string to
8117         Version_script_info::Language.
8118         * options.cc (Command_line::version_script): New function.
8119         * options.h (class General_options): Add finalize_dynamic_list
8120         function.  Change version_script from declaration to definition.
8121         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8122         * testsuite/version_script.map: Remove duplicate def of foo.
8123         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8124         version_script.map.
8125         * testsuite/Makefile.in: Rebuild.
8126
8127 2009-12-30  Ian Lance Taylor  <iant@google.com>
8128
8129         PR 10843
8130         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8131         if the input symbol index is 0, make the output symbol index 0.
8132
8133 2009-12-30  Ian Lance Taylor  <iant@google.com>
8134
8135         PR 10670
8136         * options.h (class General_options): Add -x/--discard-all.
8137         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8138         --discard-all.  If the local symbol needs a dynamic entry, check
8139         that before handling --discard-locals.
8140
8141 2009-12-30  Ian Lance Taylor  <iant@google.com>
8142
8143         PR 10450
8144         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8145         flags to PF_R.
8146         (Output_segment::add_output_section): Don't change the flags if
8147         the type is PT_TLS.
8148
8149         PR 10450
8150         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8151         GNU hash table if they need a dynamic value.  Otherwise, don't add
8152         them if they are defined in a dynamic object or are forced local.
8153
8154 2009-12-29  Ian Lance Taylor  <iant@google.com>
8155
8156         PR 10450
8157         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8158         .gnu.hash table for a 32-bit target.
8159
8160         PR 10450
8161         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8162         regular and a dynamic object only needs a dynamic symbol table
8163         entry if it is externally visible.
8164
8165         PR 10450
8166         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8167         constructor.  Add global_offset_table_ field.
8168         (Target_i386::got_section): Set global_offset_table_.
8169         (Target_i386::do_finalize_sections): Set global_offset_table_
8170         size.
8171         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8172         in constructor.  Add global_offset_table_ field.
8173         (Target_x86_64::got_section): Set global_offset_table_.
8174         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8175         size.
8176
8177         * layout.cc (Layout::Layout): Initialize increase_relro_.
8178         (Layout::get_output_section): Add is_relro, is_last_relro, and
8179         is_first_non_relro parameters.  Change all callers.
8180         (Layout::choose_output_section): Likewise.
8181         (Layout::add_output_section_data): Likewise.
8182         (Layout::make_output_section): Likewise.
8183         (Layout::set_segment_offsets): Clear increase_relro when using a
8184         linker script.
8185         * layout.h (class Layout): Add increase_relro method.  Add
8186         increase_relro_ field.  Update declarations.
8187         * output.cc (Output_section::Output_section): Initialize
8188         is_last_relro_ and is_first_non_relro_.
8189         (Output_segment::add_output_section): Group relro sections is
8190         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8191         (Output_segment::maximum_alignment): Remove relro handling.
8192         (Output_segment::set_section_addresses): Add increase_relro
8193         parameter.  Change all callers.  Add initial alignment to align
8194         relro sections on separate page.  Remove old relro handling.
8195         (Output_segment::set_section_list_addresses): Remove in_relro
8196         parameter.  Change all callers.
8197         (Output_segment::set_offset): Add increase parameter.  Change all
8198         callers.  Remove old relro handling.
8199         * output.h (class Output_section): Add new methods: is_last_relro,
8200         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8201         Add is_last_relro_ and is_first_non_relro_ fields.
8202         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8203         Create separate .got.plt section.  Call increase_relro.
8204         * x86_64.cc (Target_x86_64::got_section): Likewise.
8205         * testsuite/relro_script_test.t: Add .got.plt.
8206
8207         PR 10450
8208         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8209         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8210         (Layout::finalize): Call set_dynamic_symbol_size.
8211         (Layout::set_dynamic_symbol_size): New function.
8212         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8213         set_dynamic_symbol_size.
8214
8215         PR 10450
8216         * output.h (class Output_section): Add is_entsize_zero_ field.
8217         * output.cc (Output_section::Output_section): Initialize
8218         is_entsize_zero_.
8219         (Output_section::set_entsize): If two different entsizes are
8220         requested, force it to zero.
8221         (Output_section::add_input_section): Set flags for .debug_str
8222         before updating section flags.  Set entsize.
8223         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8224         and SHF_STRING if all input sections have those flags.
8225
8226 2009-12-29   Rafael Espindola  <espindola@google.com>
8227
8228         * main.cc (main): Fix the sys time reporting.
8229         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8230         reporting.
8231
8232 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8233
8234         * options.cc (General_options::parse_version): Allow -v to exit
8235         without an error if there is nothing to link.
8236
8237 2009-12-29  Ian Lance Taylor  <iant@google.com>
8238
8239         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8240         using a version of gcc before 4.1.
8241         * configure: Rebuild.
8242
8243 2009-12-28  Chris Demetriou  <cgd@google.com>
8244
8245         * attributes.cc (Output_attributes_section_data::do_write): Use
8246         std::vector::front rather than std::vector::data.
8247
8248 2009-12-28  Ian Lance Taylor  <iant@google.com>
8249
8250         * symtab.h (class Symbol_table): Add enum Defined.
8251         * resolve.cc (Symbol_table::should_override): Add defined
8252         parameter.  Change all callers.  Test whether object is NULL
8253         before calling a method on it.
8254         (Symbol_table::report_resolve_problem): Add defined parameter.
8255         Change all callers.
8256         (Symbol_table::should_override_with_special): Likewise.
8257         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8258         parameter.  Change all callers.
8259         (Symbol_table::do_define_in_output_data): Likewise.
8260         (Symbol_table::define_in_output_segment): Likewise.
8261         (Symbol_table::do_define_in_output_segment): Likewise.
8262         (Symbol_table::define_as_constant): Likewise.
8263         (Symbol_table::do_define_as_constant): Likewise.
8264         * script.h (class Symbol_assignment): Add is_defsym parameter to
8265         constructor; change all callers.
8266         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8267         parameter.  Change all callers.  Add is_defsym_ field.
8268         (class Parser_closure): Add parsing_defsym parameter to
8269         constructor; change all callers.  Add parsing_defsym accessor
8270         function.  Add parsing_defsym_ field.
8271
8272 2009-12-28  Ian Lance Taylor  <iant@google.com>
8273
8274         * gold.cc (queue_middle_tasks): Fix formatting.
8275         * object.cc (Relobj::is_section_name_included): Likewise.
8276
8277 2009-12-23  Ian Lance Taylor  <iant@google.com>
8278
8279         * i386.cc (Target_i386::do_calls_non_split): Recognize
8280         -fsplit-stack prologue for a function with a static chain.
8281         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8282         -fsplit-stack prologue when using %r11.
8283
8284 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8285
8286         * options.cc (General_options::parse_version): Make -v continue and do
8287         the link like GNU ld does.
8288
8289 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8290
8291         * Makefile.am (CCFILES): Add timer.cc.
8292         (HFILES): Add timer.h.
8293         * configure.ac: Check for sysconf and times.
8294         * main.cc: include timer.h.
8295         (main): Use Timer instead of get_run_time.
8296         * timer.cc: New.
8297         * timer.h: New.
8298         * workqueue.cc: include timer.h.
8299         (Workqueue::find_and_run_task):
8300         Report user, sys and wall time.
8301         * Makefile.in: Regenerate.
8302         * config.in: Regenerate.
8303         * configure: Regenerate.
8304
8305 2009-12-16  Doug Kwan  <dougkwan@google.com>
8306
8307         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8308         sections.
8309         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8310         relaxed input sections.
8311         * output.cc (Output_section::find_relaxed_input_section): Change
8312         return type to Output_relaxed_input_section pointer.  Adjust code
8313         for new type of relaxed_input_section_map_.
8314         * output.h (Output_section::find_relaxed_input_section): Change
8315         return type to Output_relaxed_input_section pointer.
8316         (Output_section::Output_relaxed_input_section_by_input_section_map):
8317         New type.
8318         (Output_section::relaxed_input_section_map_): Change type to
8319         Output_section::Output_relaxed_input_section_by_input_section_map.
8320         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8321         input section.
8322
8323 2009-12-15  Ian Lance Taylor  <iant@google.com>
8324
8325         * layout.cc (Layout::create_shstrtab): Only write out after input
8326         sections if we are compressing debug sections.
8327
8328 2009-12-15  Ian Lance Taylor  <iant@google.com>
8329
8330         * archive.cc (Archive::add_symbols): Only look up a symbol without
8331         a version if there is, in fact, a version.
8332
8333 2009-12-14  Ian Lance Taylor  <iant@google.com>
8334
8335         Revert -Wshadow changes, all changes from:
8336         2009-12-11  Doug Kwan  <dougkwan@google.com>
8337         2009-12-11  Nick Clifton  <nickc@redhat.com>
8338         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8339
8340 2009-12-11  Doug Kwan  <dougkwan@google.com>
8341
8342         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8343         due to -Wshadow.
8344         * attributes.cc (Object_attribute::size): Ditto.
8345         (Attributes_section_data::size): Ditto.
8346         (Attributes_section_data::Attributes_section_data): Ditto.
8347         (Output_attributes_section_data::do_write): Ditto.
8348         * attributes.h (Object_attribute::set_type): Ditto.
8349         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8350
8351 2009-12-11  Nick Clifton  <nickc@redhat.com>
8352
8353         * archive.cc: Fix shadowed variable warnings.
8354         * arm.cc: Likewise.
8355         * compressed_output.cc: Likewise.
8356         * compressed_output.h: Likewise.
8357         * configure: Likewise.
8358         * dwarf_reader.cc: Likewise.
8359         * dynobj.cc: Likewise.
8360         * dynobj.h: Likewise.
8361         * ehframe.cc: Likewise.
8362         * ehframe.h: Likewise.
8363         * errors.cc: Likewise.
8364         * expression.cc: Likewise.
8365         * fileread.cc: Likewise.
8366         * fileread.h: Likewise.
8367         * freebsd.h: Likewise.
8368         * i386.cc: Likewise.
8369         * icf.cc: Likewise.
8370         * incremental.h: Likewise.
8371         * layout.cc: Likewise.
8372         * layout.h: Likewise.
8373         * mapfile.cc: Likewise.
8374         * merge.cc: Likewise.
8375         * merge.h: Likewise.
8376         * object.cc: Likewise.
8377         * object.h: Likewise.
8378         * options.h: Likewise.
8379         * output.cc: Likewise.
8380         * output.h: Likewise.
8381         * parameters.cc: Likewise.
8382         * plugin.cc: Likewise.
8383         * powerpc.cc: Likewise.
8384         * reduced_debug_output.cc: Likewise.
8385         * reduced_debug_output.h: Likewise.
8386         * reloc.cc: Likewise.
8387         * reloc.h: Likewise.
8388         * resolve.cc: Likewise.
8389         * script-sections.cc: Likewise.
8390         * script.cc: Likewise.
8391         * script.h: Likewise.
8392         * sparc.cc: Likewise.
8393         * symtab.cc: Likewise.
8394         * symtab.h: Likewise.
8395         * target-select.cc: Likewise.
8396         * target-select.h: Likewise.
8397         * token.h: Likewise.
8398         * workqueue.cc: Likewise.
8399         * workqueue.h: Likewise.
8400         * x86_64.cc: Likewise.
8401
8402 2009-12-10  Doug Kwan  <dougkwan@google.com>
8403
8404         * arm.cc (attributes.h): New include.
8405         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8406         (Arm_relobj::~Arm_relobj): Delete object pointed by
8407         attributes_section_data_.
8408         (Arm_relobj::attributes_section_data): New method definition.
8409         (Arm_relobj::attributes_section_data_): New data member declaration.
8410         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8411         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8412         attributes_section_data_.
8413         (Arm_dynobj::attributes_section_data): New method definition.
8414         (Arm_dynobj::attributes_section_data_): New data member declaration.
8415         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8416         initialization value of may_use_blx_ to false.
8417         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8418         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8419         object attributes to compute results instead of hard-coding.
8420         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8421         Target_arm::get_secondary_compatible_arch,
8422         Target_arm::set_secondary_compatible_arch
8423         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8424         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8425         New method declarations.
8426         (Target_arm::get_aeabi_object_attribute): New method definition.
8427         (Target_arm::attributes_section_data_): New data member declaration.
8428         (read_arm_attributes_section): New template definition.
8429         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8430         (Arm_dynobj::do_read_symbols): Ditto.
8431         (Target_arm::do_finalize_sections): Merge attributes sections from
8432         input.  Check for BLX use after attributes section merging.
8433         Fix __exidx_start and __exidx_end visibility.  Create an
8434         .ARM.attributes section if necessary.
8435         (Target_arm::get_secondary_compatible_arch,
8436         Target_arm::set_secondary_compatible_arch,
8437         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8438         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8439         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8440         New method definitions.
8441
8442 2009-12-09  Ian Lance Taylor  <iant@google.com>
8443
8444         * plugin.cc (Plugin::load): Don't cast from void* to a function
8445         pointer.
8446
8447 2009-12-09  Ian Lance Taylor  <iant@google.com>
8448
8449         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8450         information fields.
8451
8452 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8453
8454         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8455         Replace two_file_shared_1.so with two_file_shared_2.so.
8456         * testsuite/Makefile.in: Regenerated.
8457
8458 2009-12-08  Doug Kwan  <dougkwan@google.com>
8459
8460         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8461         (HFILES): Add attributes.h and int_encoding.h.
8462         * Makefile.in: Regenerate.
8463         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8464         function definitions to int_encoding.cc
8465         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8466         prototypes to int_encoding.h
8467         * reduced_debug_output.cc (int_encoding.h): New include.
8468         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8469         function definitions to int_encoding.cc
8470         (insert_into_vector, read_from_pointer): Move template definitions to
8471         int_encoding.h
8472         * attributes.cc: New file.
8473         * attributes.h: New file.
8474         * int_encoding.cc: New file.
8475         * int_encoding.h: New file.
8476
8477 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8478
8479         PR gold/11055
8480         * incremental-dump.cc (dump_incremental_inputs): New.
8481         (main): Use dump_incremental_inputs.
8482
8483 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8484
8485         PR gold/10893
8486         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8487         checking elfcpp::STT_FUNC.
8488         (Target_i386::Relocate::relocate): Likewise.
8489         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8490
8491         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8492         symbols from shared libraries into normal FUNC symbols.
8493
8494         * symtab.h (Symbol): Add is_func and use it.
8495
8496 2009-12-05  Doug Kwan  <dougkwan@google.com>
8497
8498         * arm.cc (Target_arm::arm_info): Initialize new fields
8499         attributes_section and attributes_vendor.
8500         * i386.cc (Target_i386::i386_info): Same.
8501         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8502         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8503         fields attributes_section and attributes_vendor.
8504         * sparc.cc (Target_sparc::sparc_info): Same.
8505         * target.h (Target::attributes_section, Target::attributes_vendor,
8506         Target::is_attributes_section, Target::attribute_arg_type,
8507         Target::attributes_order): New method definitions.
8508         (Target::Target_info::attributes_section,
8509         Target::Target_info::attributes_vendor): New fields.
8510         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8511         virtual method definitions.
8512         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8513         attributes_section and attributes_vendor.
8514         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8515
8516 2009-12-05  Doug Kwan  <dougkwan@google.com>
8517
8518         * arm.cc: Update comments about interworking and stub generation.
8519         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8520         considered as non-PIC.
8521         (Arm_relocate_functions::base_abs): Fix formatting.
8522         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8523         of function to use GOT entry address instead of offset.
8524         (Target_arm::Scan::global): Issue an error if a symbol would need a
8525         PLT does not get one because it is untyped.  Remove code to create
8526         dynamic symbols for relative branches.
8527         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8528         takes unsigned integer instead of boolean.
8529
8530 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8531
8532         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8533         (two_file_test_LDADD): Likewise.
8534         (common_test_1_LDADD): Likewise.
8535         (exception_test_LDADD) Likewise.
8536         (weak_test_LDADD): Likewise.
8537         (many_sections_test_LDADD): Likewise.
8538         (initpri1_LDADD): Likewise.
8539         (script_test_1_LDADD): Likewise.
8540         (script_test_2_LDADD): Likewise.
8541         (justsyms_LDADD): Likewise.
8542         (binary_test_LDADD): Likewise.
8543         (large_LDADD): Likewise.
8544         * testsuite/Makefile.in: Regenerated.
8545
8546 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8547
8548         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8549         (Symbol_table::override_with_special): Likewise.
8550         (Symbol_table::add_from_object): Likewise.
8551
8552 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8553
8554         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8555         Don't set the data_offset twice.
8556
8557 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8558
8559         * testsuite/Makefile.in: Regenerate.
8560
8561 2009-12-03  Doug Kwan  <dougkwan@google.com>
8562
8563         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8564         (Target_arm::do_finalize_sections): Add parameter for symbol table
8565         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8566         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8567         parameter for symbol table pointer.
8568         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8569         an additional parameter for a pointer to symbol table.
8570         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8571         parameter for a symbol table pointer.
8572         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8573         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8574         Ditto.
8575         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8576         parameter for a symbol table pointer.
8577
8578 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8579
8580         * incremental.cc (Incremental_inputs_header)
8581         (Incremental_inputs_header_write, Incremental_inputs_entry)
8582         (Incremental_inputs_entry_write): Move ...
8583         * incremental.h (Incremental_inputs_header)
8584         (Incremental_inputs_header_write, Incremental_inputs_entry)
8585         (Incremental_inputs_entry_write): here.
8586
8587 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8588
8589         * incremental.cc (make_sized_incremental_binary): Set the target.
8590         Error if it is incompatible.
8591         * output.h (Output_file): Add filename method.
8592
8593 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8594
8595         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8596         from the get_* methods.
8597
8598 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8599
8600         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8601         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8602         Write 0 for the data_offset of scripts.
8603
8604 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8605
8606         * testsuite/Makefile.am: Add the incremental_test.sh test.
8607         * testsuite/incremental_test.sh: New.
8608         * testsuite/incremental_test_1.c: New.
8609         * testsuite/incremental_test_2.c: New.
8610
8611 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8612
8613         * incremental-dump.cc (main): Fix typos.
8614
8615 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8616
8617         PR gold/11025
8618         * incremental-dump.cc (main): Use llu to print 64 bit values.
8619
8620 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8621             H.J. Lu  <hongjiu.lu@intel.com>
8622
8623         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8624         $(LIBDL).
8625         (incremental_dump_LDADD): Likewise.
8626         * Makefile.in: Regenerated.
8627
8628 2009-11-25  Doug Kwan  <dougkwan@google.com>
8629
8630         Revert:
8631
8632         2009-11-25  Doug Kwan  <dougkwan@google.com>
8633
8634                 * arm.cc (Target_arm::Target_arm): Move method definition
8635                 outside of class definition.  Add code to handle
8636                 --target1-rel, --target1-abs and --target2= options.
8637                 (Target_arm::get_reloc_reloc_type): Change method to be
8638                 non-static and const.
8639                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8640                 New data member declaration.
8641                 (Target_arm::Scan::local, Target_arm::Scan::global,
8642                 Target_arm::Relocate::relocate,
8643                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8644                 Adjust call to Target_arm::get_real_reloc_type.
8645                 (Target_arm::get_real_reloc_type): Use command line options
8646                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8647                 * options.h (--target1-rel, --target1-abs, --target2): New
8648                 ARM-only options.
8649
8650 2009-11-25  Doug Kwan  <dougkwan@google.com>
8651
8652         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8653         class definition.  Add code to handle --target1-rel, --target1-abs
8654         and --target2= options.
8655         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8656         and const.
8657         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8658         member declaration.
8659         (Target_arm::Scan::local, Target_arm::Scan::global,
8660         Target_arm::Relocate::relocate,
8661         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8662         call to Target_arm::get_real_reloc_type.
8663         (Target_arm::get_real_reloc_type): Use command line options to
8664         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8665         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8666         options.
8667
8668 2009-11-25  Doug Kwan  <dougkwan@google.com>
8669
8670         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8671         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8672         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8673         formatting.
8674         (Arm_relocate_functions::thm_call): Replace body with a call to
8675         Arm_relocate_functions::thumb_branch_common.
8676         (Arm_relocate_functions::thm_jump24,
8677         Arm_relocate_functions::thm_xpc22): New method definitions.
8678         (Arm_relocate_functions::thumb_branch_common): New method definition.
8679         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8680         operator.
8681         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8682         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8683
8684 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8685
8686         * Makefile.am: Build incremental-dump
8687         * Makefile.in: Regenerate.
8688         * incremental-dump.cc: New.
8689         * incremental.cc (Incremental_inputs_header_data,
8690         Incremental_inputs_entry_data): Move to incremental.h
8691         * incremental.h: (Incremental_inputs_header_data,
8692         Incremental_inputs_entry_data): Move from incremental.cc
8693
8694 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8695
8696         * incremental.cc (Incremental_inputs_header,
8697         Incremental_inputs_header_write, Incremental_inputs_entry,
8698         Incremental_inputs_entry_write): Add a typedef with the data type.
8699
8700 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8701
8702         * incremental.cc (Incremental_inputs_header,
8703         Incremental_inputs_header_write, Incremental_inputs_entry,
8704         Incremental_inputs_entry_write): Update comment about which
8705         type has the filed descriptions.
8706
8707 2009-11-15  Doug Kwan  <dougkwan@google.com>
8708
8709         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8710         (Arm_relocate_functions::arm_branch_common): Change method defintion
8711         in class definition to a method declaration and update list of formal
8712         parameters.
8713         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8714         Arm_relocation_functions::jump24): Adjust call to
8715         Arm_relocate_functions::arm_branch_common.  Update list of formal
8716         parameters.
8717         (Arm_relocate_functions::xpc25): New method definition.
8718         (Arm_relocate_functions::arm_branch_common): Move method defintion
8719         out from class definition.  Use stubs for mode-switching and extending
8720         branch ranges.
8721         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8722         specially.  Change code to enable use of stubs in ARM branches.
8723
8724 2009-11-10  Doug Kwan  <dougkwan@google.com>
8725
8726         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8727         in method declaration.
8728         (Target_arm::relocate_stub): New method declaration.
8729         (Target_arm::default_target): Change to return a pointer instead of
8730         a const reference.
8731         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8732         Target_arm::default_target.
8733         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8734         method definition.
8735         (Target_arm::relocate_section): Adjust view.
8736         (Target_arm::relocate_stub): New method definition.
8737
8738 2009-11-10  Doug Kwan  <dougkwan@google.com>
8739
8740         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8741         a format warning.
8742         * incremental.cc (open_incremental_binary): Initialized local
8743         variables to avoid warnings.
8744         * object.cc (make_elf_object): Ditto.
8745         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8746         a format warning.
8747
8748 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8749
8750         PR gold/10930
8751         * testsuite/plugin_test.c: Include "config.h".
8752
8753 2009-11-09  Doug Kwan  <dougkwan@google.com>
8754
8755         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8756         (arm_symbol_value): Remove.
8757         (Arm_relocate_functions::arm_branch_common,
8758         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8759         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8760         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8761         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8762         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8763         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8764         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8765         Arm_relocate_functions::thm_mobw_abs_nc,
8766         Arm_relocate_functions::thm_mov_abs,
8767         Arm_relocate_functions::movw_prel_nc,
8768         Arm_relocate_functions::thm_movt_abs,
8769         Arm_relocate_functions::movt_prel,
8770         Arm_relocate_functions::thm_movw_prel_nc,
8771         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8772         (Target_arm::Relocate::relocate): Only decompose address into two
8773         parts if relocation type uses the thumb-bit and pass the actual
8774         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8775         calls to methods in Arm_relocate_functions for this change.
8776
8777 2009-11-08  Ian Lance Taylor  <iant@google.com>
8778
8779         PR 10925
8780         * reloc.cc: Instantiate
8781         Sized_relobj::initialize_input_to_output_maps and
8782         Sized_relobj:free_input_to_output_maps.
8783
8784 2009-11-06  Ian Lance Taylor  <iant@google.com>
8785
8786         PR 10876
8787         * defstd.cc (in_segment): Set only_if_ref true for "end".
8788
8789 2009-11-06  Doug Kwan  <dougkwan@google.com>
8790
8791         * arm.cc (class Reloc_stub): Correct a comment.
8792         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8793         (Target_arm::scan_section_for_stubs): New method declaration.
8794         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8795         Change methods from private to protected.
8796         (Target_arm::do_may_relax): New method definition.
8797         (Target_arm::do_relax, Target_arm::group_sections,
8798         Target_arm::scan_reloc_for_stub,
8799         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8800         (Target_arm::arm_input_section_map_): New data member declaration.
8801         (Target_arm::scan_reloc_for_stub,
8802         Target_arm::scan_reloc_section_for_stubs,
8803         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8804         Target_arm::do_relax): New method definitions.
8805
8806 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8807
8808         * configure.ac: Check for (struct stat)::st_mtim
8809         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8810         * config.in: Regenerate.
8811         * configure: Regenerate.
8812
8813 2009-11-05  Ian Lance Taylor  <iant@google.com>
8814
8815         PR 10910
8816         * output.cc (Output_segment::add_output_section): Add missing
8817         return statement.
8818
8819 2009-11-04  Ian Lance Taylor  <iant@google.com>
8820
8821         PR 10880
8822         * object.h (class Object): Add is_needed and set_is_needed
8823         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8824         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8825         defined in a dynamic object and referenced by a regular object,
8826         set is_needed for the dynamic object.
8827         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8828         if the file is marked with as_needed and it is not needed.
8829
8830 2009-11-04  Ian Lance Taylor  <iant@google.com>
8831
8832         PR 10887
8833         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8834         tags if data is discarded by linker script.
8835         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8836         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8837         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8838         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8839
8840 2009-11-04  Ian Lance Taylor  <iant@google.com>
8841
8842         * layout.cc (Layout::get_output_section): Add is_interp and
8843         is_dynamic_linker_section parameters.  Change all callers.
8844         (Layout::choose_output_section): Likewise.
8845         (Layout::make_output_section): Likewise.
8846         (Layout::add_output_section_data): Add is_dynamic_linker_section
8847         parameter.  Change all callers.
8848         * layout.h (class Layout): Update declarations.
8849         * output.h (class Output_section): Add is_interp, set_is_interp,
8850         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8851         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8852         generate_code_fills_at_write_ to a bitfield.
8853         * output.cc (Output_section::Output_sections): Initialize new
8854         fields.
8855         (Output_segment::add_output_section): Add do_sort parameter.
8856         Change all callers.
8857
8858 2009-11-03  Ian Lance Taylor  <iant@google.com>
8859
8860         PR 10860
8861         * options.h (class General_options): Add --warn-common.
8862         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8863         merging two common symbols.
8864         (Symbol_table::should_override): Handle --warn-common when merging
8865         a common symbol with a defined symbol.  Use report_resolve_problem
8866         for multiple definitions.
8867         (Symbol_table::report_resolve_problem): New function.
8868         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8869
8870 2009-11-03  Doug Kwan  <dougkwan@google.com>
8871
8872         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8873         stub_factory_.
8874         (Target_arm::stub_factory): New method definition.
8875         (Target_arm::new_arm_input_section,
8876         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8877         Target_arm::reloc_uses_thumb_bit): New method declarations.
8878         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8879         New type definitions.
8880         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8881         member declarations.
8882         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8883         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8884         New method definitions.
8885
8886 2009-11-03  Ian Lance Taylor  <iant@google.com>
8887
8888         * options.h (class General_options): Add --warn_constructors.
8889
8890 2009-11-03  Ian Lance Taylor  <iant@google.com>
8891
8892         PR 10893
8893         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8894         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8895
8896 2009-11-03  Ian Lance Taylor  <iant@google.com>
8897
8898         PR 10895
8899         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8900         --msgid-bugs-address.
8901         (install-pdf): New target.
8902         (install-data_yes): Look up one directory to find mkinstalldirs.
8903
8904 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8905
8906         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8907         tree.
8908
8909 2009-10-30  Doug Kwan  <dougkwan@google.com>
8910
8911         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8912
8913 2009-10-30  Doug Kwan  <dougkwan@google.com>
8914
8915         * arm.cc (Stub_addend_reader): New struct template definition
8916         and partial specializations.
8917         (Stub_addend_reader::operator()): New method definition for a
8918         partially specialized template.
8919
8920 2009-10-30  Doug Kwan  <dougkwan@google.com>
8921
8922         * arm.cc (Arm_relobj::processor_specific_flags): New method
8923         definition.
8924         (Arm_relobj::do_read_symbols): New method declaration.
8925         (Arm_relobj::processor_specific_flags_): New data member declaration.
8926         (Arm_dynobj): New class definition.
8927         (Target_arm::do_finalize_sections): Add input_objects parameter.
8928         (Target_arm::do_adjust_elf_header): New method declaration.
8929         (Target_arm::are_eabi_versions_compatible,
8930         (Target_arm::merge_processor_specific_flags): New method declaration.
8931         (Target_arm::do_make_elf_object): New overloaded method definitions
8932         and declaration.
8933         (Arm_relobj::do_read_symbols): New method definition.
8934         (Arm_dynobj::do_read_symbols): Ditto.
8935         (Target_arm::do_finalize_sections): Add input_objects parameters.
8936         Merge processor-specific flags from all input objects.
8937         (Target_arm::are_eabi_versions_compatible,
8938         Target_arm::merge_processor_specific_flags,
8939         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8940         New method definitions.
8941         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8942         Input_objects pointer type parameter.
8943         * layout.cc (Layout::finalize): Pass input objects to target's.
8944         finalize_sections function.
8945         * output.cc (Output_file_header::do_sized_write): Set ELF file
8946         header's processor-specific flags.
8947         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8948         Input_objects pointer type parameter.
8949         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8950         * target.h (Input_objects): New forward class declaration.
8951         (Target::processor_specific_flags,
8952         Target::are_processor_specific_flags_sect): New method definitions.
8953         (Target::finalize_sections): Add input_objects parameter.
8954         (Target::Target): Initialize processor_specific_flags_ and
8955         are_processor_specific_flags_set_.
8956         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8957         parameter.
8958         (Target::set_processor_specific_flags): New method definition.
8959         (Target::processor_specific_flags_,
8960         Target::are_processor_specific_flags_set_): New data member
8961         declarations.
8962         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8963         Input_objects pointer type parameter.
8964
8965 2009-10-30  Doug Kwan  <dougkwan@google.com>
8966
8967         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8968
8969 2009-10-28  Ian Lance Taylor  <iant@google.com>
8970
8971         * object.h (class Relobj): Drop options parameter from
8972         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8973         do_scan_relocs, do_relocate.  Change all callers.
8974         (class Sized_relobj): Drop options parameters from
8975         do_gc_process_relocs, do_scan_relocs, do_relocate,
8976         do_relocate_sections, relocate_sections, emit_relocs_scan,
8977         emit_relocs_scan_reltype.  Change all callers.
8978         (struct Relocate_info): Remove options field and all references to
8979         it.
8980         * reloc.h (class Read_relocs): Remove options constructor
8981         parameter and options_ field.  Change all callers.
8982         (class Gc_process_relocs, class Scan_relocs): Likewise.
8983         (class Relocate_task): Likewise.
8984         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8985         all callers.
8986         (scan_relocatable_relocs): Likewise.
8987         * target.h (class Sized_target): Remove options parameter from
8988         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8989         all callers.
8990         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8991         callers.
8992         * arm.cc: Update functions to remove options parameters.
8993         * i386.cc: Likewise.
8994         * powerpc.cc: Likewise.
8995         * sparc.cc: Likewise.
8996         * x86_64.cc: Likewise.
8997         * testsuite/testfile.cc: Likewise.
8998
8999 2009-10-28  Doug Kwan  <dougkwan@google.com>
9000
9001         * arm.cc (Arm_relobj): New class definition.
9002         (Arm_relobj::scan_sections_for_stubs,
9003         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9004         New method definitions.
9005
9006 2009-10-28  Cary Coutant  <ccoutant@google.com>
9007
9008         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9009         (Plugin::cleanup_done_): New member.
9010         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9011         (Plugin_manager::cleanup_done_): Remove.
9012         (Plugin_manager::add_input_file): Edit error message.
9013         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9014         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9015
9016 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9017
9018         * fileread.cc: (File_read::View::~View): Use the new
9019         data_ownership_ filed.
9020         (File_read::~File_read): Dispose the new whole_file_view_.
9021         (File_read::open): Mmap the whole file if needed.
9022         (File_read::open): Use whole_file_view_ instead of contents_.
9023         (File_read::find_view): Use whole_file_view_ if applicable.
9024         (File_read::do_read): Use whole_file_view_ instead of contents_.
9025         (File_read::make_view): Use whole_file_view_ instead of contents_,
9026         update File_read::View::View call.
9027         (File_read::find_or_make_view): Update File_read::View::View
9028         call.
9029         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9030         remove contents_
9031         (File_read::View::Data_ownership): New enum.
9032         (File_read::View::View): Replace bool mapped_ with Data_ownership
9033         argument.
9034         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9035         (File_read::View::data_ownership_): New field.
9036         (File_read::contents_): Remove (replaced by whole_file_view_).
9037         (File_read::whole_file_view_): New field.
9038         * options.h (class General_options): Add --keep-files-mapped.
9039
9040 2009-10-27  Cary Coutant  <ccoutant@google.com>
9041
9042         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9043         * testsuite/Makefile.am (plugin_test_5): New test case.
9044         * testsuite/Makefile.in: Regenerate.
9045
9046 2009-10-25  Doug Kwan  <dougkwan@google.com>
9047
9048         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9049         from private to protected to allow access by child class.
9050         (Sized_relobj::do_relocate_sections): New method declaration.
9051         (Sized_relobj::relocate_sections): Virtualize.
9052         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9053         Sized_relobj::relocate_sections.  Instantiate template explicitly
9054         for different target sizes and endianity.
9055
9056 2009-10-24  Doug Kwan  <dougkwan@google.com>
9057
9058         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9059         (Arm_input_section::as_arm_input_section): New method.
9060         (Arm_output_section): New class definition.
9061         (Arm_output_section::create_stub_group,
9062         Arm_output_section::group_sections): New method definitions.
9063
9064 2009-10-22  Doug Kwan  <dougkwan@google.com>
9065
9066         * arm.cc (Arm_input_section): New class definition.
9067         (Arm_input_section::init, Arm_input_section:do_write,
9068         Arm_input_section::set_final_data_size,
9069         Arm_input_section::do_reset_address_and_file_offset): New method
9070         definitions.
9071
9072 2009-10-21  Doug Kwan  <dougkwan@google.com>
9073
9074         * arm.cc (Stub_table, Arm_input_section): New forward class
9075         declarations.
9076         (Stub_table): New class defintion.
9077         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9078         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9079         New method definition.
9080
9081 2009-10-21  Doug Kwan  <dougkwan@google.com>
9082
9083         * arm.cc: Update copyright comments.
9084         (Target_arm): New forward class template declaration.
9085         (Arm_address): New type.
9086         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9087         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9088         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9089         constants.
9090         (Insn_template): Same.
9091         (DEF_STUBS): New macro.
9092         (Stub_type): New enum type.
9093         (Stub_template): New class definition.
9094         (Stub): Same.
9095         (Reloc_stub): Same.
9096         (Stub_factory): Same.
9097         (Target_arm::Target_arm): Initialize may_use_blx_ and
9098         should_force_pic_veneer_.
9099         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9100         Target_arm::should_force_pic_veneer,
9101         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9102         Target_arm::using_thumb_only, Target_arm:;default_target): New
9103         method defintions.
9104         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9105         New data member declarations.
9106         (Insn_template::size, Insn_template::alignment): New method defintions.
9107         (Stub_template::Stub_template): New method definition.
9108         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9109         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9110         (Stub_factory::Stub_factory): New method definition.
9111         * gold.h (string_hash): New template.
9112         * output.h (Input_section_specifier::hash_value): Use
9113         gold::string_hash.
9114         (Input_section_specifier::string_hash): Remove.
9115         * stringpool.cc (Stringpool_template::string_hash): Use
9116         gold::string_hash.
9117
9118 2009-10-20  Doug Kwan  <dougkwan@google.com>
9119
9120         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9121         symbols of relaxed input sections.
9122         * output.h (Output_section::find_relaxed_input_section): Make
9123         method public.
9124
9125 2009-10-16  Doug Kwan  <dougkwan@google.com>
9126
9127         * dynobj.cc (Versions::Versions): Initialize version_script_.
9128         Only insert base version symbol definition for a shared object
9129         if version script defines any version versions.
9130         (Versions::define_base_version): New method definition.
9131         (Versions::add_def): Check that base version is not needed.
9132         (Versions::add_need): Define base version lazily.
9133         * dynobj.h (Versions::define_base_version): New method declaration.
9134         (Versions::needs_base_version_): New data member declaration.
9135         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9136         (check_DATA): Add no_version_test.stdout.
9137         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9138         New make rules.
9139         * testsuite/Makefile.in: Regenerate.
9140         * testsuite/no_version_test.c: New file.
9141         * testsuite/no_version_test.sh: Ditto.
9142
9143 2009-10-16  Doug Kwan  <dougkwan@google.com>
9144
9145         * expression.cc (class Segment_start_expression): New class definition.
9146         (Segment_start_expression::value): New method definition.
9147         (script_exp_function_segment_start): Return a new
9148         Segment_start_expression.
9149         * gold/script-c.h (script_saw_segment_start_expression): New function
9150         prototype.
9151         * script-sections.cc (Script_sections::Script_sections): Initialize
9152         SAW_SEGMENT_START_EXPRESSION_ to false.
9153         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9154         and -Tbbs options to specify section addresses if given in
9155         command line and no SEGMENT_START expression is seen in a script.
9156         * script-sections.h (Script_sections::saw_segment_start_expression,
9157         Script_sections::set_saw_segment_start_expression): New method
9158         definition.
9159         (Script_sections::saw_segment_start_expression_): New data member
9160         declaration.
9161         * script.cc (script_saw_segment_start_expression): New function.
9162         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9163         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9164         script_test_7.sh and script_test_8.sh.
9165         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9166         script_test_8.stdout.
9167         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9168         (script_test_6, script_test_6.stdout, script_test_7,
9169         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9170         * Makefile.in: Regenerate.
9171         * testsuite/script_test_6.sh: New file.
9172         * testsuite/script_test_6.t: Same.
9173         * testsuite/script_test_7.sh: Same.
9174         * testsuite/script_test_7.t: Same.
9175         * testsuite/script_test_8.sh: Same.
9176
9177 2009-10-16  Doug Kwan  <dougkwan@google.com>
9178
9179         * output.cc (Output_segment::set_section_list_address): Cast
9180         expressions to unsigned long long type to avoid format warnings.
9181
9182 2009-10-15  Ian Lance Taylor  <iant@google.com>
9183
9184         * script.cc (Script_options::add_symbol_assignment): Always add a
9185         dot assignment to script_sections_.
9186         * script-sections.cc (Script_sections::add_dot_assignment):
9187         Initialize if necessary.
9188
9189         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9190         program headers with no load segment if there is a linker script.
9191
9192         * layout.cc (Layout::set_segment_offsets): Align the file offset
9193         to the segment aligment for -N or -n with no load segment.
9194         * output.cc (Output_segment::add_output_section): Don't crash if
9195         the first section is a TLS section.
9196         (Output_segment::set_section_list_addresses): Print an error
9197         message if the address moves backward in a linker script.
9198         * script-sections.cc
9199         (Output_section_element_input::set_section_addresses): Don't
9200         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9201         (Orphan_output_section::set_section_addresses): Likewise.
9202
9203 2009-10-15  Doug Kwan  <dougkwan@google.com>
9204
9205         * layout.cc (Layout::finish_dynamic_section): Generate tags
9206         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9207         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9208         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9209
9210 2009-10-14  Ian Lance Taylor  <iant@google.com>
9211
9212         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9213         fields.
9214         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9215         data_shdr fields of relinfo.
9216         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9217         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9218         R_386_TLS_LDO_32, adjust based on section flags.
9219         (Target_i386::Relocate::fix_up_ldo): Remove.
9220
9221 2009-10-13  Ian Lance Taylor  <iant@google.com>
9222
9223         Add support for -pie.
9224         * options.h (class General_options): Add -pie and
9225         --pic-executable.
9226         (General_options::output_is_position_independent): Test -pie.
9227         (General_options::output_is_executable): Return true if not shared
9228         and not relocatable.
9229         (General_options::output_is_pie): Remove.
9230         * options.cc (General_options::finalize): Reject incompatible uses
9231         of -pie.
9232         * gold.cc (queue_middle_tasks): A -pie link is not static.
9233         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9234         * symtab.cc (Symbol::final_value_is_known): Return false if
9235         output_is_position_independent.
9236         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9237         output_is_position_independent.
9238         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9239         output_is_position_independent.
9240         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9241         output_is_position_independent.
9242         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9243         two_file_pie_test.
9244         (basic_pie_test.o, basic_pie_test): New targets.
9245         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9246         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9247         (two_file_pie_test): New target.
9248         * testsuite/Makefile.in: Rebuild.
9249         * README: Remove note saying that -pie is not supported.
9250
9251 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9252
9253         * options.h (class General_options): Add -init and -fini.
9254         * layout.cc (Layout::finish_dynamic_section): Emit
9255         given init and fini functions.
9256
9257 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9258
9259         * gc.h (gc_process_relocs): Check if icf is enabled using new
9260         function.
9261         * gold.cc (queue_initial_tasks): Likewise.
9262         (queue_middle_tasks): Likewise.
9263         * object.cc (do_layout): Likewise.
9264         * symtab.cc (is_section_folded): Likewise.
9265         * main.cc (main): Likewise.
9266         * reloc.cc (Read_relocs::run): Likewise.
9267         (Sized_relobj::do_scan_relocs): Likewise.
9268         * icf.cc (is_function_ctor_or_dtor): New function.
9269         (Icf::find_identical_sections): Check if function is ctor or dtor when
9270         safe icf is chosen.
9271         * options.h (General_options::icf): Change option to be an enum.
9272         (Icf_status): New enum.
9273         (icf_enabled): New method.
9274         (icf_safe_folding): New method.
9275         (set_icf_status): New method.
9276         (icf_status_): New variable.
9277         * (options.cc) (General_options::finalize): Set icf_status_.
9278         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9279         icf_test and icf_keep_unique_test to use the --icf enum flag.
9280         * testsuite/icf_safe_test.sh: New file.
9281         * testsuite/icf_safe_test.cc: New file.
9282
9283 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9284
9285         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9286         includes to gc.h and icf.h.
9287         * arm.cc: Include gc.h.
9288         * gold.cc: Likewise.
9289         * i386.cc: Likewise.
9290         * powerpc.cc: Likewise.
9291         * sparc.cc: Likewise.
9292         * x86_64.cc: Likewise.
9293         * gc.h: Include icf.h.
9294
9295 2009-10-11  Ian Lance Taylor  <iant@google.com>
9296
9297         * plugin.cc: Include "gold.h" before other header files.
9298
9299 2009-10-10  Chris Demetriou  <cgd@google.com>
9300
9301         * options.h (Input_file_argument::Input_file_type): New enum.
9302         (Input_file_argument::is_lib_): Replace with...
9303         (Input_file_argument::type_): New member.
9304         (Input_file_argument::Input_file_argument): Take Input_file_type
9305         'type' rather than boolean 'is_lib' as second argument.
9306         (Input_file_argument::is_lib): Use type_.
9307         (Input_file_argument::is_searched_file): New function.
9308         (Input_file_argument::may_need_search): Handle is_searched_file.
9309         * options.cc (General_options::parse_library): Support -l:filename.
9310         (General_options::parse_just_symbols): Update for Input_file_argument
9311         changes.
9312         (Command_line::process): Likewise.
9313         * archive.cc (Archive::get_file_and_offset): Likewise.
9314         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9315         * script.cc (read_script_file, script_add_file): Likewise.
9316         * fileread.cc (Input_file::Input_file): Likewise.
9317         (Input_file::will_search_for): Handle is_searched_file.
9318         (Input_file::open): Likewise.
9319         * readsyms.cc (Read_symbols::get_name): Likewise.
9320         * testsuite/Makefile.am (searched_file_test): New test.
9321         * testsuite/Makefile.in: Regenerate.
9322         * testsuite/searched_file_test.cc: New file.
9323         * testsuite/searched_file_test_lib.cc: New file.
9324
9325 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9326             Ian Lance Taylor  <iant@google.com>
9327
9328         * descriptor.cc: Include <cstdio> and "binary-io.h".
9329         (Descriptors::open): Open the files in binary mode always.
9330         * script.cc (Lex::get_token): Treat \r as whitespace.
9331
9332 2009-10-09  Ian Lance Taylor  <iant@google.com>
9333
9334         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9335
9336 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9337             Ian Lance Taylor  <iant@google.com>
9338
9339         * configure.ac: Check for readv function also.
9340         * fileread.cc (readv): Define if not HAVE_READV.
9341         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9342         does not exist.
9343         * config.in: Regenerate.
9344         * configure: Regenerate.
9345
9346 2009-10-09  Doug Kwan  <dougkwan@google.com>
9347
9348         * layout.cc (Layout::make_output_section): Call target hook to make
9349         ordinary output section.
9350         (Layout::finalize): Adjust parameter list of call the
9351         Target::may_relax().
9352         * layout.h (class Layout::section_list): New method.
9353         * merge.h (Output_merge_base::entsize): Change visibility to public.
9354         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9355         New methods.
9356         (Output_merge_string::do_is_string): New method.
9357         * object.cc (Sized_relobj::do_setup): renamed from
9358         Sized_relobj::set_up.
9359         * object.h (Sized_relobj::adjust_shndx,
9360         Sized_relobj::initializ_input_to_output_maps,
9361         Sized_relobj::free_input_to_output_maps): Change visibilities to
9362         protected.
9363         (Sized_relobj::setup): Virtualize.
9364         (Sized_relobj::do_setup): New method declaration.
9365         (Sized_relobj::invalidate_section_offset,
9366         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9367         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9368         * options.cc (parse_int): New function.
9369         * options.h (parse_int): New declaration.
9370         (DEFINE_int): New macro.
9371         (stub_group_size): New option.
9372         * output.cc (Output_section::Output_section): Initialize memebers
9373         merge_section_map_, merge_section_by_properties_map_,
9374         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9375         (Output_section::add_input_section): Handled deferred code-fill
9376         generation and remove an old comment.
9377         (Output_section::add_relaxed_input_section): New method definition.
9378         (Output_section::add_merge_input_section): Use merge section by
9379         properties map to speed to search.  Update merge section maps
9380         as appropriate.
9381         (Output_section::build_relaxation_map): New method definition.
9382         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9383         Same.
9384         (Output_section::relax_input_section): Renamed to
9385         Output_section::convert_input_sections_to_relaxed_sections and change
9386         interface to take a vector of pointers to relaxed sections.
9387         (Output_section::find_merge_section,
9388         Output_section::find_relaxed_input_section): New method definitions.
9389         (Output_section::is_input_address_mapped,
9390         Output_section::output_offset, Output_section::output_address):
9391         Use output section data maps to speed up searching.
9392         (Output_section::find_starting_output_address): Add comments.
9393         (Output_section::do_write,
9394         Output_section::write_to_postprocessing_buffer): Do code-fill
9395         generation as appropriate.
9396         (Output_section::get_input_sections): Invalidate relaxed input section
9397         map.
9398         (Output_section::restore_states): Adjust type of checkpoint .
9399         Invalidate relaxed input section map.
9400         * output.h (Output_merge_base): New class declaration.
9401         (Input_section_specifier): New class defintion.
9402         (class Output_relaxed_input_section) Change base class to
9403         Output_section_data_build.
9404         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9405         base class initializer.
9406         (Output_section::add_relaxed_input_section): New method declaration.
9407         (Output_section::Input_section): Change visibility to protected.
9408         (Output_section::Input_section::relobj,
9409         Output_section::Input_section::shndx): Handle relaxed input sections.
9410         Output_section::input_sections) Change visibility to protected.  Also
9411         define overload to return a non-const pointer.
9412         (Output_section::Merge_section_properties): New class defintion.
9413         (Output_section::Merge_section_by_properties_map,
9414         Output_section::Output_section_data_by_input_section_map,
9415         Output_section::Relaxation_map): New types.
9416         (Output_section::relax_input_section): Rename method to
9417         Output_section::convert_input_sections_to_relaxed_sections and change
9418         interface to take a vector of relaxed section pointers.
9419         (Output_section::find_merge_section,
9420         Output_section::find_relaxed_input_section,
9421         Output_section::build_relaxation_map,
9422         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9423         New method declarations.
9424         (Output_section::merge_section_map_
9425         Output_section::merge_section_by_properties_map_,
9426         Output_section::relaxed_input_section_map_,
9427         Output_section::is_relaxed_input_section_map_valid_,
9428         Output_section::generate_code_fills_at_write_): New data members.
9429         * script-sections.cc
9430         (Output_section_element_input::set_section_addresses): Call
9431         current_data_size and addralign methods of relaxed input sections.
9432         (Orphan_output_section::set_section_addresses): Call current_data_size
9433         and addralign methods of relaxed input sections.
9434         * symtab.cc (Symbol_table::compute_final_value): Extract template
9435         from the body of Symbol_table::sized_finalize_symbol.
9436         (Symbol_table::sized_finalized_symbol): Call
9437         Symbol_table::compute_final_value.
9438         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9439         (Symbol_table::compute_final_value): New templated method declaration.
9440         * target.cc (Target::do_make_output_section): New method defintion.
9441         * target.h (Target::make_output_section): New method declaration.
9442         (Target::relax): Add more parameters for input objects, symbol table
9443         and layout.  Adjust call to do_relax.
9444         (Target::do_make_output_section): New method declaration.
9445         (Target::do_relax): Add parameters for input objects, symbol table
9446         and layout.
9447
9448 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9449
9450         * pread.c: Include stdio.h.
9451
9452 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9453
9454         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9455         defined.
9456
9457 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9458
9459         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9460         Change read_shndx type to unsigned int.
9461         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9462         int.
9463         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9464         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9465         Change read_shndx type to unsigned int.
9466         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9467         int.
9468         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9469         * layout.cc (Layout::create_symtab_sections): Cast the result of
9470         local_symcount * symsize to off_t in the gold_assert.
9471
9472 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9473
9474         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9475         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9476         R_ARM_BASE_ABS.
9477         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9478         (Arm_relocate_functions::thm_abs5): New function.
9479         (Arm_relocate_functions::abs12): New function.
9480         (Arm_relocate_functions::abs16): New function.
9481         (Arm_relocate_functions::base_abs): New function.
9482         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9483         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9484         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9485         R_ARM_BASE_ABS.
9486         (Scan::global): Likewise.
9487         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9488         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9489         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9490         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9491         R_ARM_BASE_ABS.
9492
9493 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9494
9495         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9496         (Arm_relocate_functions::movt_prel): New function.
9497         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9498         (Arm_relocate_functions::thm_movt_prel): New function.
9499         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9500         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9501         (Scan::global, Relocate::relocate): Likewise.
9502         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9503
9504 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9505
9506         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9507         Incremental_checker.
9508         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9509         unsigned int.
9510         (class Incremental_inputs_header): New class.
9511         (Incremental_inputs_header_writer): Edit comment.
9512         (Incremental_inputs_entry): New class.
9513         (Incremental_inputs_entry_writer): Edit comment.
9514         (Sized_incremental_binary::do_find_incremental_inputs_section):
9515         Add *strtab_shndx parameter, fill it.
9516         (Sized_incremental_binary::do_check_inputs): New method.
9517         (Incremental_checker::can_incrementally_link_output_file): Use
9518         Sized_incremental_binary::check_inputs.
9519         (Incremental_inputs::report_command_line): Save command line in
9520         command_line_.
9521         * incremental.h:
9522         (Incremental_binary::find_incremental_inputs_section): New
9523         method.
9524         (Incremental_binary::do_find_incremental_inputs_section): Add
9525         strtab_shndx parameter.
9526         (Incremental_binary::do_check_inputs): New pure virtual method.
9527         (Sized_incremental_binary::do_check_inputs): Declare.
9528         (Incremental_checker::Incremental_checker): Add incremental_inputs
9529         parameter, use it to initialize incremental_inputs_.
9530         (Incremental_checker::incremental_inputs_): New field.
9531         (Incremental_checker::command_line): New method.
9532         (Incremental_checker::inputs): New method.
9533         (Incremental_checker::command_line_): New field.
9534
9535 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9536
9537         * incremental.cc: Include <cstdarg> and "target-select.h".
9538         (vexplain_no_incremental): New function.
9539         (explain_no_incremental): New function.
9540         (Incremental_binary::error): New method.
9541         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9542         method.
9543         (make_sized_incremental_binary): New function.
9544         (open_incremental_binary): New function.
9545         (can_incrementally_link_file): Add checks if output is ELF and has
9546         inputs section.
9547         * incremental.h: Include "elfcpp_file.h" and "output.h".
9548         (Incremental_binary): New class.
9549         (Sized_incremental_binary): New class.
9550         (open_incremental_binary): Declare.
9551         * object.cc (is_elf_object): Use
9552         elfcpp::Elf_recognizer::is_elf_file.
9553         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9554         * output.h (Output_file::filesize): New method.
9555
9556 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9557
9558         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9559         New function.
9560         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9561         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9562         function.
9563         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9564         function.
9565         (Arm_relocate_functions::movw_abs_nc): New function.
9566         (Arm_relocate_functions::movt_abs): New function.
9567         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9568         (Arm_relocate_functions::thm_movt_abs): New function.
9569         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9570         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9571         (Scan::global): Likewise.
9572         (Relocate::relocate): Likewise.
9573         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9574
9575 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9576
9577         * arm.cc (Arm_relocate_functions::got_prel) New function.
9578         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9579         (Relocate::relocate): Likewise.
9580         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9581
9582 2009-10-06  Ian Lance Taylor  <iant@google.com>
9583
9584         * options.h (class General_options): Define
9585         split_stack_adjust_size parameter.
9586         * object.h (class Object): Add uses_split_stack_ and
9587         has_no_split_stack_ fields.  Add uses_split_stack and
9588         has_no_split_stack accessor functions.  Declare
9589         handle_split_stack_section.
9590         (class Reloc_symbol_changes): Define.
9591         (class Sized_relobj): Define Function_offsets.  Declare
9592         split_stack_adjust, split_stack_adjust_reltype, and
9593         find_functions.
9594         * object.cc (Object::handle_split_stack_section): New function.
9595         (Sized_relobj::do_layout): Call handle_split_stack_section.
9596         * dynobj.cc (Sized_dynobj::do_layout): Call
9597         handle_split_stack_section.
9598         * reloc.cc (Sized_relobj::relocate_sections): Call
9599         split_stack_adjust for executable sections in split_stack
9600         objects.  Pass reloc_map to relocate_section.
9601         (Sized_relobj::split_stack_adjust): New function.
9602         (Sized_relobj::split_stack_adjust_reltype): New function.
9603         (Sized_relobj::find_functions): New function.
9604         * target-reloc.h: Include "object.h".
9605         (relocate_section): Add reloc_symbol_changes parameter.  Change
9606         all callers.
9607         * target.h (class Target): Add calls_non_split method.  Declare
9608         do_calls_non_split virtual method.  Declare match_view and
9609         set_view_to_nop.
9610         * target.cc: Include "elfcpp.h".
9611         (Target::do_calls_non_split): New function.
9612         (Target::match_view): New function.
9613         (Target::set_view_to_nop): New function.
9614         * gold.cc (queue_middle_tasks): Give an error if mixing
9615         split-stack and non-split-stack objects with -r.
9616         * i386.cc (Target_i386::relocate_section): Add
9617         reloc_symbol_changes parameter.
9618         (Target_i386::do_calls_non_split): New function.
9619         * x86_64.cc (Target_x86_64::relocate_section): Add
9620         reloc_symbol_changes parameter.
9621         (Target_x86_64::do_calls_non_split): New function.
9622         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9623         parameter.
9624         * powerpc.cc (Target_powerpc::relocate_section): Add
9625         reloc_symbol_changes parameter.
9626         * sparc.cc (Target_sparc::relocate_section): Add
9627         reloc_symbol_changes parameter.
9628         * configure.ac: Call AM_CONDITIONAL for the default target.
9629         * configure: Rebuild.
9630         * testsuite/Makefile.am (TEST_AS): New variable.
9631         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9632         (check_DATA): Add split_i386 and split_x86_64 files.
9633         (SPLIT_DEFSYMS): Define.
9634         (split_i386_[1234n].o): New targets.
9635         (split_i386_[124]): New targets.
9636         (split_i386_[1234r].stdout): New targets.
9637         (split_x86_64_[1234n].o): New targets.
9638         (split_x86_64_[124]): New targets.
9639         (split_x86_64_[1234r].stdout): New targets.
9640         (MOSTLYCLEANFILES): Add new executables.
9641         * testsuite/split_i386.sh: New file.
9642         * testsuite/split_x86_64.sh: New file.
9643         * testsuite/split_i386_1.s: New file.
9644         * testsuite/split_i386_2.s: New file.
9645         * testsuite/split_i386_3.s: New file.
9646         * testsuite/split_i386_4.s: New file.
9647         * testsuite/split_i386_n.s: New file.
9648         * testsuite/split_x86_64_1.s: New file.
9649         * testsuite/split_x86_64_2.s: New file.
9650         * testsuite/split_x86_64_3.s: New file.
9651         * testsuite/split_x86_64_4.s: New file.
9652         * testsuite/split_x86_64_n.s: New file.
9653         * testsuite/testfile.cc (Target_test): Update relocation_section
9654         function.
9655         * testsuite/Makefile.in: Rebuild.
9656
9657 2009-10-06  Ian Lance Taylor  <iant@google.com>
9658
9659         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9660         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9661         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9662         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9663         the address on ldo_addrs_.
9664         (Target_i386::Relocate::fix_up_ldo): New function.
9665
9666 2009-10-06   Rafael Espindola  <espindola@google.com>
9667
9668         * plugin.cc (add_input_library): New.
9669         (Plugin::load): Add add_input_library to tv.
9670         (Plugin_manager::add_input_file): Add the is_lib argument.
9671         (add_input_file): Update call to Plugin_manager::add_input_file.
9672         (add_input_library): New.
9673         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9674
9675 2009-09-30  Doug Kwan  <dougkwan@google.com>
9676
9677         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9678         symbol and call Symbol::may_need_copy_reloc to determine if
9679         a copy reloc is needed.
9680         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9681         nocopyreloc is given in command line.
9682         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9683         given in command line.
9684         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9685         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9686         of the removed Target_i386::may_need_copy_reloc.
9687         * options.h (copyreloc): New option with default value false.
9688         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9689         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9690         instead of the removed Target_powerpc::may_need_copy_reloc.
9691         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9692         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9693         instead of the removed Target_sparc::may_need_copy_reloc.
9694         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9695         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9696         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9697         instead of the removed Target_x86_64::may_need_copy_reloc.
9698
9699 2009-09-30  Ian Lance Taylor  <iant@google.com>
9700
9701         * object.h (class Object): Remove target_ field, and target,
9702         sized_target, and set_target methods.
9703         (Object::sized_target): Remove.
9704         (class Sized_relobj): Update declarations.  Remove sized_target.
9705         * object.cc (Sized_relobj::setup): Remove target parameter.
9706         Change all callers.
9707         (Input_objects::add_object): Don't do anything with the target.
9708         (make_elf_sized_object): Add punconfigured parameter.  Change all
9709         callers.  Set or test parameter target.
9710         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9711         Change all callers.
9712         * parameters.cc (Parameters::set_target): Change parameter type to
9713         be non-const.
9714         (Parameters::default_target): Remove.
9715         (set_parameters_target): Change parameter type to be non-const.
9716         (parameters_force_valid_target): New function.
9717         (parameters_clear_target): New function.
9718         * parameters.h (class Parameters): Update declarations.  Remove
9719         default_target method.  Add sized_target and clear_target
9720         methods.  Change target_ to be non-const.
9721         (set_parameters_target): Update declaration.
9722         (parameters_force_valid_target): Declare.
9723         (parameters_clear_target): Declare.
9724         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9725         as NULL if we aren't searching.
9726         (Add_symbols::run): Don't check for compatible target.
9727         * fileread.cc (Input_file::open_binary): Call
9728         parameters_force_valid_target.
9729         * gold.cc (queue_middle_tasks): Likewise.
9730         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9731         set_target on object.
9732         * dynobj.h (class Sized_dynobj): Update declarations.
9733         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9734         make_elf_object returns NULL.
9735         (Archive::include_member): Don't check whether object target is
9736         compatible.
9737         * output.cc (Output_section::add_input_section): Get target from
9738         parameters.
9739         (Output_section::relax_input_section): Likewise.
9740         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9741         parameters.
9742         (Sized_relobj::do_scan_relocs): Likewise.
9743         (Sized_relobj::relocate_sections): Likewise.
9744         * resolve.cc (Symbol_table::resolve): Likewise.
9745         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9746         parameter.  Change all callers.
9747         (Symbol_table::add_from_object): Get target from parameters.
9748         (Symbol_table::add_from_relobj): Don't check object target.
9749         (Symbol_table::add_from_dynobj): Likewise.
9750         (Symbol_table::define_special_symbol): Get target from
9751         parameters.
9752         * symtab.h (class Symbol_table): Update declaration.
9753         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9754         parameter.  Change all callers.  Clear parameter target.
9755         (Binary_test): Test target here.
9756         * testsuite/object_unittest.cc (gold_testsuite): Remove
9757         target_test_pointer parameter.  Change all callers.
9758         (Object_test): Test target here.
9759
9760 2009-09-26  Ian Lance Taylor  <iant@google.com>
9761
9762         * testsuite/initpri1.c: Don't try to use constructor priorities if
9763         compiling with gcc before 4.3.
9764
9765 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9766
9767         * testsuite/retain_symbols_file_test.sh (check_present): Change
9768         output file name to retain_symbols_file_test.stdout.
9769         (check_absent): Likewise.
9770
9771 2009-09-18  Craig Silverstein  <csilvers@google.com>
9772
9773         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9774         * options.cc: Include <cerrno> and <fstream>.
9775         (General_options::finalize): Parse -retain-symbols-file tag.
9776         * options.h: New flag.
9777         (General_options): New method should_retain_symbol, new
9778         variable symbols_to_retain.
9779         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9780         should_retain_symbol map.
9781         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9782         * testsuite/Makefile.in: Regenerate.
9783         * testsuite/retain_symbols_file_test.sh: New file.
9784
9785 2009-09-18  Nick Clifton  <nickc@redhat.com>
9786
9787         * po/es.po: Updated Spanish translation.
9788
9789 2009-09-17  Doug Kwan  <dougkwan@google.com>
9790
9791         * debug.h (DEBUG_RELAXATION): New constant.
9792         (DEBUG_ALL): Add DEBUG_RELAXATION.
9793         (debug_string_to_enum): Add relaxation debug option.
9794         * layout.cc
9795         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9796         Layout::Relaxation_debug_check::read_sections,
9797         Layout::Relaxation_debug_check::read_sections): New method definitions.
9798         (Layout::Layout): Initialize data members
9799         record_output_section_data_from_scrips_,
9800         script_output_section_data_list_ and relaxation_debug_check_.
9801         (Layout::save_segments, Layout::restore_segments,
9802         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9803         Layout::relaxation_loop_body): New method definitions.
9804         (Layout::finalize): Support relaxation.  Move section layout code to
9805         Layout::relaxation_loop_body.
9806         (Layout::set_asection_address_from_script): Move code for orphan
9807         section placement out.
9808         (Layout::place_orphan_sections_in_script): New method definition.
9809         * layout.h (Output_segment_headers, Output_file_header):
9810         New forward class declarations.
9811         (Layout::~Layout): Define.
9812         (Layout::new_output_section_data_from_script): New method definition.
9813         (Layout::place_orphan_sections_in_script): New method declaration.
9814         (Layout::Segment_states): New type declaration.
9815         (Layout::save_segments, Layout::restore_segments,
9816         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9817         Layout::relaxation_loop_body): New method declarations.
9818         (Layout::Output_section_data_list): New type declaration.
9819         (Layout::Relaxation_debug_check): New class definition.
9820         (Layout::record_output_section_data_from_script_,
9821         Layout::script_output_section_data_list_, Layout::segment_states_,
9822         Layout::relaxation_debug_check_): New data members.
9823         * output.cc: (Output_section_headers::do_size): New method definition.
9824         (Output_section_headers::Output_section_headers): Move size
9825         computation to Output_section_headers::do_size.
9826         (Output_segment_headers::do_size): New method definition.
9827         (Output_file_header::Output_file_header): Move size computation to
9828         Output_file_header::do_size and call it.
9829         (Output_file_header::do_size): New method definition.
9830         (Output_data_group::Output_data_group): Adjust call to
9831         Output_section_data.
9832         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9833         (Output_symtab_xindex::do_write): Add array bound check.
9834         (Output_section::Input_section::print_to_mapfile): Handle
9835         RELAXED_INPUT_SECTION_CODE.
9836         (Output_section::Output_section): Initialize data member checkpoint_.
9837         (Output_section::~Output_section): Delete checkpoint object pointed
9838         by checkpoint_.
9839         (Output_section::add_input_section): Always add an Input_section if
9840         relaxing.
9841         (Output_section::add_merge_input_section): Add assert.
9842         (Output_section::relax_input_section): New method definition.
9843         (Output_section::set_final_data_size): Set load address to zero for
9844         an unallocated section.
9845         (Output_section::do_address_and_file_offset_have_reset_values):
9846         New method definition.
9847         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9848         Handle relaxed input section.
9849         (Output_section::sort_attached_input_sections): Checkpoint input
9850         section list lazily.
9851         (Output_section::get_input_sections): Change type of input_sections to
9852         list of Simple_input_section pointers.  Checkpoint input section list
9853         lazily.  Also handle relaxed input sections.
9854         (Output_section::add_input_section_for_script): Take a reference to
9855         a Simple_input_section object instead of Relobj pointer and section
9856         index as parameter.  Handle relaxed input sections.
9857         (Output_section::save_states, Output_section::restore_states): New
9858         method definitions.
9859         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9860         (Output_data::is_data_size_fixed): New method definition.
9861         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9862         if it is fixed.
9863         (Output_data::address_and_file_offset_have_reset_values): New method
9864         definition.
9865         (Output_data::do_address_and_file_offset_have_reset_values): New method
9866         definition.
9867         (Output_data::set_data_size): Check that data size is not fixed.
9868         (Output_data::fix_data_size): New method definition.
9869         (Output_data::is_data_size_fixed_): New data member.
9870         (Output_section_headers::set_final_data_size): New method definition.
9871         (Output_section_headers::do_size): New method declaration.
9872         (Output_segment_headers::set_final_data_size): New method definition.
9873         (Output_segment_headers::do_size): New method declaration.
9874         (Output_file_header::set_final_data_size)::New method definition.
9875         (Output_file_header::do_size)::New method declaration.
9876         (Output_section_data::Output_section_data): Add new parameter
9877         is_data_size_fixed and use it to fix data size.
9878         (Output_data_const::Output_data_const): Adjust call to base class
9879         constructor and fix data size.
9880         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9881         base class constructor and fix data size.
9882         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9883         base class constructor and fix data size.
9884         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9885         class constructor and fix data size.
9886         (Output_data_group::set_final_data_size): New method definition.
9887         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9888         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9889         class constructor and fix data size.
9890         (Output_relaxed_input_section): New class definition.
9891         (Output_section::Simple_input_section): New class definition.
9892         (Output_section::get_input_sections): Adjust parameter list.
9893         (Output_section::add_input_section_for_script): Same.
9894         (Output_section::save_states, Output_section::restore_states,
9895         Output_section::do_address_and_file_offset_have_reset_values,
9896         (Output_section::Input_section::Input_section): Handle
9897         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9898         Output_relaxed_input_section.
9899         (Output_section::Input_section::is_input_section,
9900         Output_section::Input_section::set_output_section): Handle relaxed
9901         input section.
9902         (Output_section::Input_section::is_relaxed_input_section,
9903         Output_section::Input_section::output_section_data,
9904         Output_section::Input_section::relaxed_input_section): New method
9905         definitions.
9906         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9907         value.
9908         (Output_section::Input_section::u1_): Update comments.
9909         (Output_section::Input_section::u2_): Add new union member poris.
9910         (Output_section::Checkpoint_output_section): New classs definition.
9911         (Output_section::relax_input_section): New method declaration.
9912         (Output_section::checkpoint_): New data member.
9913         (Output_segment): Update comments.
9914         (Output_segment::Output_segment): Un-privatize copy constructor.
9915         (Output_segment::operator=): Un-privatize.
9916         * script-sections.cc (Output_section_element::Input_section_list):
9917         Change element type to Output_section::Simple_input_section.
9918         (Output_section_element_dot_assignment::set_section_addresses):
9919         Register output section data for relaxation clean up.
9920         (Output_data_exression::Output_data_expression): Adjust call to base
9921         constructor to fix data size.
9922         (Output_section_element_data::set_section_addresses): Register
9923         Output_data_expression object for relaxation clean up.
9924         (struct Input_section_info): Replace Relobj pointer and section index
9925         pair with Output_section::Simple_input_section and Convert struct to a
9926         class.
9927         (Input_section_sorter::operator()): Adjust access to
9928         Input_section_info data member to use accessors.
9929         (Output_section_element_input::set_section_addresses): Use layout
9930         parameter.  Adjust code to use Output_section::Simple_input_section
9931         and Input_secction_info classes.  Register filler for relaxation
9932         clean up.
9933         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9934         and section index pair with Output_section::Simple_input_section
9935         class.  Adjust code accordingly.
9936         (Phdrs_element::release_segment): New method definition.
9937         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9938         segment list.
9939         (Script_sections::release_segments): New method definition.
9940         * gold/script-sections.h (Script_sections::release_segments): New
9941         method declaration.
9942         * gold/target.h (Target::may_relax, Target::relax,
9943         Target::do_may_relax, Target::do_relax): New method definitions.
9944
9945 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9946
9947         * arm.cc (has_signed_unsigned_overflow): New function.
9948         (Arm_relocate_functions::abs8): New function.
9949         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9950         (Target_arm::Scan::global): Likewise.
9951         (Target_arm::relocate::relocate): Likewise.
9952         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9953         Likewise.
9954
9955 2009-09-16  Cary Coutant  <ccoutant@google.com>
9956
9957         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9958         * testsuite/Makefile.in: Regenerate.
9959
9960 2009-09-11  Nick Clifton  <nickc@redhat.com>
9961
9962         * po/gold.pot: Updated by the Translation project.
9963
9964 2009-09-08  Cary Coutant  <ccoutant@google.com>
9965
9966         * output.cc (Output_file::open): Add execute permission to empty file.
9967         * testsuite/Makefile.am (permission_test): New test.
9968         * testsuite/Makefile.in: Regenerate.
9969
9970 2009-09-02  Ian Lance Taylor  <iant@google.com>
9971
9972         * output.cc (Output_file::resize): Call map_no_anonymous rather
9973         than map.
9974
9975 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9976
9977         * gold.cc: Include "incremental.h".
9978         (queue_initial_tasks): Call Incremental_checker methods.
9979         * incremental.cc: Include "output.h".
9980         (Incremental_checker::can_incrementally_link_output_file): New
9981         method.
9982         * incremental.h (Incremental_checker): New class.
9983
9984         * output.cc (Output_file::open_for_modification): New method.
9985         (Output_file::map_anonymous): Changed return type to bool.  Record
9986         map in base_ field.
9987         (Output_file::map_no_anonymous): New method, broken out of map.
9988         (Output_file::map): Use map_no_anonymous and map_anonymous.
9989         * output.h (class Output_file): Update declarations.
9990
9991 2009-08-24  Cary Coutant  <ccoutant@google.com>
9992
9993         * options.h (Command_line::Pre_options): New class.
9994         (Command_line::pre_options): New member.
9995         * options.cc (gold::options::ready_to_register): New variable.
9996         (One_option::register_option): Do nothing if not registering options.
9997         Assert if same short option registered twice.
9998         (General_options::General_options): Turn off option registration when
9999         done constructing.
10000         (Command_line::Pre_options::Pre_options): New constructor.
10001
10002 2009-08-24  Cary Coutant  <ccoutant@google.com>
10003
10004         * options.h (General_options::no_keep_memory): Remove incorrect
10005         short option.
10006
10007 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10008
10009         * Makefile.am (am__skiplex, am__skipyacc): New.
10010         * Makefile.in: Regenerate.
10011
10012 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10013
10014         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10015         (INCLUDES): ... this.
10016         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10017         (AM_CPPFLAGS): Renamed from ...
10018         (INCLUDE): ... this.
10019         * Makefile.in, testsuite/Makefile.in: Regenerate.
10020
10021         * Makefile.in: Regenerate.
10022         * aclocal.m4: Likewise.
10023         * config.in: Likewise.
10024         * configure: Likewise.
10025         * testsuite/Makefile.in: Likewise.
10026
10027         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10028         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10029         * Makefile.in: Regenerate.
10030         * testsuite/Makefile.in: Regenerate.
10031
10032 2009-08-19  Cary Coutant  <ccoutant@google.com>
10033
10034         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10035         symbols in shared libraries overridden by hidden or internal symbols
10036         in the main program.
10037
10038 2009-08-19  Chris Demetriou  <cgd@google.com>
10039
10040         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10041         checking source file names in error messages.
10042
10043 2009-08-18  Doug Kwan  <dougkwan@google.com>
10044
10045         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10046         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10047         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10048         an elfcpp::Ehdr as parameter.
10049         * object.cc (Object::set_target): Remove the version that looks up
10050         a target and sets it.
10051         (Sized_relobj::setup): Take a Target object instead of
10052         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10053         (make_elf_sized_object): Find target and ask target to
10054         make an ELF object.
10055         * object.h: (Object::set_target): Remove the version that looks up
10056         a target and sets it.
10057         (Sized_relobj::setup): Take a Target object instead of
10058         an elfcpp:Ehdr as parameter.
10059         * target.cc: Include dynobj.h.
10060         (Target::do_make_elf_object_implementation): New.
10061         (Target::do_make_elf_object): New.
10062         * target.h (Target::make_elf_object): New template declaration.
10063         (Target::do_make_elf_object): New method declarations.
10064         (Target::do_make_elf_object_implementation): New template declaration.
10065
10066 2009-08-14  Ian Lance Taylor  <iant@google.com>
10067
10068         * gold.h (FUNCTION_NAME): Define.
10069         (gold_unreachable): Use FUNCTION_NAME.
10070
10071 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10072
10073         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10074         symbol in the --keep-unique list is not found.
10075
10076 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10077
10078         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10079         been maked as --keep-unique.
10080         (Icf::unfold_section): New function.
10081         * icf.h (Icf::unfold_section): New function.
10082         * options.h (General_options::keep_unique): New option.
10083         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10084         * testsuite/Makefile.in: Regenerate.
10085         * testsuite/icf_keep_unique_test.sh: New file.
10086         * testsuite/icf_keep_unique_test.cc: New file.
10087
10088 2009-08-12  Cary Coutant  <ccoutant@google.com>
10089
10090         PR 10471
10091         * resolve.cc (Symbol_table::resolve): Check for references from
10092         dynamic objects to hidden and internal symbols.
10093         * testsuite/Makefile.am (hidden_test.sh): New test.
10094         * testsuite/Makefile.in: Regenerate.
10095         * testsuite/hidden_test.sh: New script.
10096         * testsuite/hidden_test_1.c: New test source.
10097         * testsuite/hidden_test_main.c: New test source.
10098
10099 2009-08-11  Doug Kwan  <dougkwan@google.com>
10100
10101         * arm.cc: Update comments.
10102         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10103         segment to locate the .ARM.exidx section if present.
10104
10105 2009-08-09  Doug Kwan  <dougkwan@google.com>
10106
10107         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10108         patch.
10109
10110 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10111         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10112         compiler warnings.
10113
10114 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10115
10116         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10117         valid tls_segment only for non-debug-section relocations.
10118         * testsuite/Makefile.am: Add gc_tls_test.
10119         * testsuite/Makefile.in: Regenerate.
10120         * testsuite/gc_tls_test.cc: New file.
10121         * testsuite/gc_tls_test.sh: New file.
10122
10123 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10124
10125         * icf.cc: New file.
10126         * icf.h: New file.
10127         * Makefile.am (CCFILES): Add icf.cc.
10128         (HFILES): Add icf.h
10129         * Makefile.in: Regenerate.
10130         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10131         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10132         section, symbol and addend information for the relocs.
10133         * gold.cc (queue_middle_tasks): Call identical code folding.
10134         * gold.h: Add defines for multimap.
10135         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10136         to the call of finalize_local_symbols.
10137         * main.cc (main): Create object of class Icf.
10138         * object.cc (Sized_relobj::do_layout): Allow this function to be
10139         called twice during icf.
10140         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10141         to sections marked as identical by icf.
10142         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10143         when available.
10144         (Sized_relobj::do_section_entsize): New function.
10145         * object.h (Object::section_entsize): New function.
10146         (Object::do_section_entsize): New pure virtual function.
10147         (Relobj::finalize_local_symbols): Add new parameter.
10148         (Relobj::do_section_entsize): New function.
10149         * options.h (General_options::icf): New option.
10150         (General_options::icf_iterations): New option.
10151         (General_options::print_icf_sections): New option.
10152         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10153         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10154         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10155         icf.
10156         * symtab.cc (Symbol_table::is_section_folded): New function.
10157         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10158         to sections marked as identical by icf.
10159         * symtab.h (Symbol_table::set_icf): New function.
10160         (Symbol_table::icf): New function.
10161         (Symbol_table::is_section_folded): New function.
10162         (Symbol_table::icf_): New data member.
10163         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10164         * testsuite/Makefile.am: Add commands to build icf_test.
10165         * testsuite/Makefile.in: Regenerate.
10166         * testsuite/icf_test.sh: New file.
10167         * testsuite/icf_test.cc: New file.
10168
10169 2009-07-24  Chris Demetriou  <cgd@google.com>
10170
10171         * layout.cc (is_compressible_debug_section): Fix incorrect
10172         comment about compressed section names.
10173
10174 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10175
10176         PR 10419
10177         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10178
10179 2009-07-16  Ian Lance Taylor  <iant@google.com>
10180
10181         PR 10400
10182         * layout.h: #include <map>.
10183         (class Kept_section): Change from struct to class.  Add accessors
10184         and setters.  Add section size to Comdat_group mapping.  Change
10185         Comdat_group to std::map.  Add is_comdat_ field.  Add
10186         linkonce_size field in union.
10187         (class Layout): Update declaration of find_or_add_kept_section.
10188         Don't declare find_kept_object.
10189         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10190         parameter.  Add object, shndx, is_comdat, and is_group_name
10191         parameters.  Change all callers.  Adjust for new Kept_section.
10192         (Layout::find_kept_object): Remove.
10193         * object.cc (Sized_relobj::include_section_group): Update use of
10194         Kept_section.  Rename secnum to shndx.  Only record
10195         Kept_comdat_section if sections are the same size.
10196         (Sized_relobj::include_linkonce_section): Update use of
10197         Kept_section.  Only record Kept_comdat_section if sections are the
10198         same size.  Set size of linkonce section.
10199         (Sized_relobj::map_to_kept_section): Update call to
10200         get_kept_comdat_section.
10201         * object.h (class Sized_relobj): Rename fields in
10202         Kept_comdat_section to drop trailing underscores; change object
10203         field to Relobj*.  Change Kept_comdat_section_table to store
10204         struct rather than pointer.
10205         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10206         Add kept_object and kept_shndx parameters.  Change all callers.
10207         (Sized_relobj::get_kept_comdat_section): Change return type to
10208         bool.  Add kept_object and kept_shndx parameters.  Change all
10209         callers.
10210         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10211         Layout::find_or_add_kept_section.
10212
10213 2009-07-09  Ian Lance Taylor  <iant@google.com>
10214
10215         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10216         Reserve space in the hash table.
10217
10218 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10219
10220         * fileread.cc (File_read::get_mtime): New method.
10221         * fileread.h (Timespec): New structure.
10222         (File_read::get_mtime): New method.
10223         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10224         Renamed from timestamp_nsec.
10225         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10226         Elf_Xword.
10227         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10228         timestamp_nsec.
10229         (Incremental_inputs::report_archive): Save mtime; style fix.
10230         (Incremental_inputs::report_obejct): Save mtime; style fix.
10231         (Incremental_inputs::report_script): Save mtime; style fix.
10232         (Incremental_inputs::finalize_inputs): Style fix.
10233         (Incremental_inputs::finalize): Style fix.
10234         (Incremental_inputs::create_input_section_data): Store inputs
10235         mtime.
10236         * incremental.h (Incremental_inputs::report_script): Add mtime
10237         argument.
10238         (Incremental_inputs::Input_info::Input_info): Intialize only one
10239         union member.
10240         (Incremental_inputs::Input_info::archive): Move to nameless
10241         union.
10242         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10243         (Incremental_inputs::Input_info::script): Move to nameless union.
10244         (Incremental_inputs::mtime): New field.
10245         * script.cc (read_input_script): Pass file mtime to
10246         Incremental_input.
10247         * script.h (Script_info::inputs): Style fix.
10248
10249 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10250
10251         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10252         instead of 32.
10253
10254 2009-06-24  Ian Lance Taylor  <iant@google.com>
10255
10256         PR 10156
10257         * layout.cc (Layout::choose_output_section): If we find an
10258         existing section, update the flags.
10259         (Layout::create_notes): New function, broken out of
10260         Layout::finalize.
10261         (Layout::finalize): Don't create note sections.
10262         (Layout::create_note): Don't crash if linker script discards
10263         section.
10264         (Layout::create_gold_note): Likewise.
10265         (Layout::create_build_id): Likewise.  Don't set
10266         after_input_sections on the section.
10267         (Layout::create_executable_stack_info): Remove target parameter.
10268         Change caller.
10269         * layout.h (class Layout): Declare create_notes.  Update
10270         declaration of create_executable_stack_info.
10271         * gold.cc (queue_middle_tasks): Call create_notes.
10272         * output.cc (Output_section::update_flags_for_input_section): Move
10273         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10274         invalid.
10275         * output.h (Output_data::mark_address_invalid): New function.
10276         (class Output_section): Only declare, not define,
10277         update_flags_for_input_section.  Remove set_flags.
10278
10279 2009-06-24  Ian Lance Taylor  <iant@google.com>
10280
10281         * script-sections.cc (Output_section_definition::
10282         set_section_addresses): Rename shadowing local load_address to
10283         laddr.
10284
10285 2009-06-24  Ian Lance Taylor  <iant@google.com>
10286
10287         PR 10244
10288         * reloc.cc (relocate_sections): Skip empty relocation sections.
10289
10290 2009-06-23  Ian Lance Taylor  <iant@google.com>
10291
10292         PR 10156
10293         * layout.cc (Layout::create_note): Use choose_output_section
10294         rather than make_output_section.
10295
10296 2009-06-23  Ian Lance Taylor  <iant@google.com>
10297
10298         PR 10237
10299         * options.cc (General_options::parse_V): Set printed_version_.
10300         (General_options::General_options): Initialize printed_version_.
10301         * options.h (class General_options): Add printed_version_ field.
10302         * gold.cc (queue_initial_tasks): If there are no input files,
10303         don't give a fatal error if we printed the version information.
10304         (queue_middle_tasks): If using -r with a shared object, give a
10305         fatal error rather than an ordinary error.
10306
10307 2009-06-23  Ian Lance Taylor  <iant@google.com>
10308
10309         PR 10219
10310         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10311         (Layout::make_output_section): Set have_stabstr_section_ if we see
10312         a .stab*str section.
10313         (Layout::finalize): Call link_stabs_sections.
10314         (Layout::link_stabs_sections): New file.
10315         * layout.h (class Layout): Add have_stabstr_section_ field.
10316         Declare link_stabs_sections.
10317
10318 2009-06-23  Doug Kwan  <dougkwan@google.com>
10319
10320         * Makefile.am (libgold_a_LIBADD): New.
10321         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10322         * Makefile.in: Regenerate.
10323         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10324         * configure: Regenerate.
10325         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10326         * fileread.cc: Include sys/state.h
10327         * gold.h: Declare memmem and strndup if found missing.
10328         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10329
10330 2009-06-23  Ian Lance Taylor  <iant@google.com>
10331
10332         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10333         * configure: Rebuild.
10334
10335 2009-06-23  Ian Lance Taylor  <iant@google.com>
10336
10337         PR 10147
10338         * object.cc (Object::section_contents): Don't try to get a view if
10339         the section has length zero.
10340         (Object::handle_gnu_warning_section): If the section is empty, use
10341         the name of the section as the warning.
10342
10343 2009-06-23  Ian Lance Taylor  <iant@google.com>
10344
10345         PR 10133
10346         * stringpool.h (class Stringpool_template): Add optimize_ field.
10347         (Stringpool_template::set_optimize): New function.
10348         * stringpool.cc (Stringpool_template::Stringpool_template):
10349         Initialize optimize_ field.
10350         (Stringpool_template::set_string_offsets): Test local optimize
10351         fild rather than parameter.
10352         * layout.cc (Layout::Layout): Call set_optimize on the section
10353         name stringpool.
10354
10355 2009-06-22  Ian Lance Taylor  <iant@google.com>
10356
10357         PR 10030
10358         * yyscript.y: Parse TARGET.
10359         * script.cc (script_set_target): New function.
10360         * script-c.h (script_set_target): Declare.
10361         * options.cc (General_options::string_to_object_format): Rename
10362         from string_to_object_format in anonymous namespace.  Change
10363         callers.
10364         * options.h (class General_options): Declare
10365         string_to_object_format.
10366
10367 2009-06-22  Ian Lance Taylor  <iant@google.com>
10368
10369         * script-sections.cc (Script_sections::create_segments): Don't put
10370         program headers in a PT_LOAD segment if -n or -N.
10371
10372 2009-06-22  Ian Lance Taylor  <iant@google.com>
10373
10374         PR 10141
10375         * options.h (class General_options): Add -z lazy and -z now.  Sort
10376         -z options into alphabetical order.
10377         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10378
10379 2009-06-21  Ian Lance Taylor  <iant@google.com>
10380
10381         * layout.cc (Layout::make_output_section): Call
10382         Target::new_output_section.
10383         (Layout::attach_allocated_section_to_segment): Put large section
10384         sections in a separate load segment with the large segment flag
10385         set.
10386         (Layout::segment_precedes): Sort large data segments after other
10387         load segments.
10388         (align_file_offset): New static function.
10389         (Layout::set_segment_offsets): Use align_file_offset.
10390         * output.h (class Output_section): Add is_small_section_ and
10391         is_large_section_ fields.
10392         (Output_section::is_small_section): New function.
10393         (Output_section::set_is_small_section):  New function.
10394         (Output_section::is_large_section): New function.
10395         (Output_section::set_is_large_section): New function.
10396         (Output_section::is_large_data_section): New function.
10397         (class Output_segment): Add is_large_data_segment_ field.
10398         (Output_segment::is_large_data_segment): New function.
10399         (Output_segment::set_is_large_data_segment): New function.
10400         * output.cc (Output_section::Output_section): Initialize new
10401         fields.
10402         (Output_segment::Output_segment): Likewise.
10403         (Output_segment::add_output_section): Add assertion that large
10404         data sections always go in large data segments.  Force small data
10405         sections to the end of the list of data sections.  Force small BSS
10406         sections to the start of the list of BSS sections.  For large BSS
10407         sections to the end of the list of BSS sections.
10408         * symtab.h (class Symbol): Declare is_common_shndx.
10409         (Symbol::is_defined): Check Symbol::is_common_shndx.
10410         (Symbol::is_common): Likewise.
10411         (class Symbol_table): Define enum Commons_section_type.  Update
10412         declarations.  Add small_commons_ and large_commons_ fields.
10413         * symtab.cc (Symbol::is_common_shndx): New function.
10414         (Symbol_table::Symbol_table): Initialize new fields.
10415         (Symbol_table::add_from_object): Put small and large common
10416         symbols in the right list.
10417         (Symbol_table::sized_finalized_symbol): Check
10418         Symbol::is_common_shndx.
10419         (Symbol_table::sized_write_globals): Likewise.
10420         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10421         common symbol lists.  Don't call do_allocate_commons_list if the
10422         list is empty.
10423         (Symbol_table::do_allocate_commons_list): Remove is_tls
10424         parameter.  Add comons_section_type parameter.  Change all
10425         callers.  Handle small and large common symbols.
10426         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10427         Symbol::is_common_shndx.
10428         * resolve.cc (symbol_to_bits): Likewise.
10429         * target.h (Target::small_common_shndx): New function.
10430         (Target::small_common_section_flags): New function.
10431         (Target::large_common_shndx): New function.
10432         (Target::large_common_section_flags): New function.
10433         (Target::new_output_section): New function.
10434         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10435         small_common_section_flags, and large_common_section_flags
10436         fields.
10437         (Target::do_new_output_section): New virtual function.
10438         * arm.cc (Target_arm::arm_info): Initialize new fields.
10439         * i386.cc (Target_i386::i386_info): Likewise.
10440         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10441         Likewise.
10442         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10443         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10444         (Target_x86_64::do_new_output_section): New function.
10445         * configure.ac: Define conditional MCMODEL_MEDIUM.
10446         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10447         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10448         (large_LDFLAGS): Define.
10449         * testsuite/large.c: New file.
10450         * testsuite/testfile.cc (Target_test::test_target_info):
10451         Initialize new fields.
10452         * configure, testsuite/Makefile.in: Rebuild.
10453
10454 2009-06-05  Doug Kwan  <dougkwan@google.com>
10455
10456         * Makefile.am (CCFILES): Add target.cc.
10457         * Makefile.in: Regenerate.
10458         * i386.cc (class Target_i386): Define new virtual method to
10459         override do_is_local_label_name in parent.
10460         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10461         local symbols if --discard-locals or -X is given.
10462         * options.h (class General_options): Declare new options
10463         '--discard-locals' and '-X' for discarding locals.
10464         * target.h (class Target): Define new methods is_local_label_name.
10465         Declare new virtual method do_is_local_label_name.
10466         * target.cc: New file.
10467         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10468         (check_SCRIPTS): Add discard_locals_test.sh.
10469         (check_DATA): Add discard_local_tests.syms.
10470         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10471         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10472         * testsuite/Makefile.in: Regenerate.
10473         * testsuite/discard_locals_test.c: New file.
10474         * testsuite/discard_locals_test.sh: Same.
10475
10476 2009-06-05  Doug Kwan  <dougkwan@google.com>
10477
10478         * object.cc (Sized_relobj::Sized_relobj): Initialize
10479         discarded_eh_frame_shndx_ to -1U.
10480         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10481         section.
10482         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10483         a discarded .eh_frame section.
10484         (Sized_relobj::do_finalize_local_symbols): Ditto.
10485         * object.h (class Sized_relobj): Declare new member
10486         discarded_eh_frame_shndx_.
10487         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10488         (local_labels_test.o, local_labels_test): New rules.
10489         * testsuite/Makefile.in: Regenerate.
10490
10491 2009-06-04  Doug Kwan  <dougkwan@google.com>
10492
10493         * layout.cc (Layout::section_name_mapping): Add mapping for
10494         special ARM sections.
10495
10496 2009-06-03  Doug Kwan  <dougkwan@google.com>
10497
10498         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10499         (utils::has_overflow): Same.
10500
10501 2009-06-03  Ian Lance Taylor  <iant@google.com>
10502
10503         * layout.cc (Layout::section_name_mapping): New array, replacing
10504         Layout::linkonce_mapping.
10505         (Layout::section_name_mapping_count): New variable, replacing
10506         Layout::linkonce_mapping_count.
10507         (Layout::linkonce_output_name): Remove.
10508         (Layout::output_section_name): Rewrite.
10509         * layout.h (class Layout): Rename Linkonce_mapping to
10510         Section_name_mapping, linkonce_mapping to section_name_mapping,
10511         linkonce_mapping_count to section_name_mapping_count.  Don't
10512         declare linkonce_output_name.
10513
10514 2009-06-03  Doug Kwan  <dougkwan@google.com>
10515
10516         * gold/arm.cc (namespace utils): New.
10517         (Target_arm::reloc_is_non_pic): Define new method.
10518         (class Arm_relocate_functions): New.
10519         (Target_arm::Relocate::relocate): Handle relocation types used by
10520         Android.
10521
10522 2009-06-03  Ian Lance Taylor  <iant@google.com>
10523
10524         * arm.cc (Target_arm::scan::global): Use || instead of |.
10525
10526 2009-06-02  Doug Kwan  <dougkwan@google.com>
10527
10528         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10529         issued_non_pic_error_.
10530         (class Target_arm::Scan): Declare new method check_non_pic.
10531         Define new method symbol_needs_plt_entry.
10532         Declare new data member issued_non_pic_error_.
10533         (class Target_arm::Relocate): Declare new method
10534         should_apply_static_reloc.
10535         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10536         (Target_arm::Scan::check_non_pic): Define new method.
10537         (Target_arm::Scan::local): Handle a small subset of reloc types used
10538         by Android.
10539         (Target_arm::Scan::local): Same.
10540         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10541
10542 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10543
10544         * incremental.cc (Incremental_inputs::report_command_line): Filter
10545         out --incremental-* options.
10546
10547 2009-05-29  Doug Kwan  <dougkwan@google.com>
10548
10549         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10550         template class.
10551         (class Target_arm): Update comment.
10552         (Target_arm::Target_arm): Initialize new data members GOT_,
10553         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10554         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10555         and Target_arm::rel_dyn_section.
10556         Declare new_enum Target_arm::Got_type.
10557         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10558         and DYNBSS_.
10559         Update commments for member do_dynsym_value.
10560         (Target_arm::got_size, Target_arm::plt_section,
10561         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10562         new methods inside class defintion.
10563         (Target_arm::got_section): Define new method.
10564         (Target_arm::rel_dyn_section): Same.
10565         (Output_data_plt_arm): New template class.
10566         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10567         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10568         (Output_data_plt_arm::add_entry): Same.
10569         (Output_data_plt_arm::first_plt_entry): Define new
10570         static data member for PLT instruction template.
10571         (Output_data_plt_arm::plt_entry): Same.
10572         (Output_data_plt_arm::do_write): Define new method.
10573         (Target_arm::make_plt_entry): Same.
10574         (Target_arm::do_finalize_sections): Same.
10575         (Target_arm::do_dynsym_value): Same.
10576
10577 2009-05-28  Doug Kwan  <dougkwan@google.com>
10578
10579         * Makefile.am (TARGETSOURCES): Add arm.cc.
10580         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10581         * Makefile.in: Regenerate.
10582         * arm.cc: New file.
10583         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10584
10585 2009-05-26  Doug Kwan  <dougkwan@google.com>
10586
10587         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10588         (General_options::check_excluded_libs): Strip off directories in
10589         archive name before matching like GNU ld does.
10590         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10591         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10592         (exclude_libs_test_LDFLAGS): Add linker option
10593         -Wl,--exclude-libs,libexclude_libs_test_3
10594         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10595         an explicit archive without using -l.
10596         (alt/libexclude_libs_test_3.a): New make rule.
10597         * testsuite/Makefile.in: Regenerate.
10598         * testsuite/exclude_libs_test.c : Declare lib3_default().
10599         (main): Call it.
10600         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10601         * exclude_libs_test_3.c: New file.
10602
10603 2009-05-26  Nick Clifton  <nickc@redhat.com>
10604
10605         * po/id.po: New Indonesian translation.
10606         * po/gold.pot: Updated template file.
10607
10608 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10609
10610         * testsuite/Makefile.am: Add -ffunction-sections to compile
10611         gc_comdat_test files.  Add -Wl,--gc-sections to build
10612         gc_comdat_test.
10613         * testsuite/Makefile.in: Regenerate.
10614         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10615
10616 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10617
10618         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10619         kept comdat section was garbage collected.
10620         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10621         * testsuite/Makefile.in: Regenerate.
10622         * testsuite/gc_comdat_test.sh: New file.
10623         * testsuite/gc_comdat_test_1.cc: New file.
10624         * testsuite/gc_comdat_test_2.cc: New file.
10625
10626 2009-05-19  Doug Kwan  <dougkwan@google.com>
10627
10628         * archive.cc (Archive::Archive): Move constructor from archive.h
10629         to here.  Initialize no_export_.
10630         (Archive::get_elf_object_for_member): Set no_export flag of object.
10631         * archive.h (Archive::Archive): Move constructor body to
10632         archive.cc.
10633         (Archive::no_export): New method.
10634         (Archive::no_export_): New field.
10635         * object.h (Object::Object): Initialize no_export_ to false.
10636         (Object::no_export, Object::set_no_export): New methods.
10637         (Object::no_export_): New field.
10638         * options.cc (General_options::parse_exclude_libs): New method.
10639         (General_options::check_excluded_libs) Same.
10640         * options.h (exclude_libs): New option.
10641         (General_options::check_excluded_libs): New method declaration.
10642         (General_options::excluded_libs_): New field.
10643         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10644         default or protected visibility if an object has no-export flag set.
10645         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10646         (check_SCRIPTS): Add exclude_libs_test.sh.
10647         (check_DATA): Add exclude_libs_test.syms.
10648         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10649         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10650         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10651         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10652         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10653         libexclude_libs_test_2.a): New rules.
10654         * testsuite/Makefile.in: Regenerate.
10655         * testsuite/exclude_libs_test.c: New file.
10656         * testsuite/exclude_libs_test.sh: Ditto.
10657         * testsuite/exclude_libs_test_1.c: Ditto.
10658         * testsuite/exclude_libs_test_2.c: Ditto.
10659
10660 2009-05-15  Ian Lance Taylor  <iant@google.com>
10661
10662         * configure.ac: Check for declarations for cases where libiberty.h
10663         checks HAVE_DECL_xxx.
10664         * configure, config.in: Rebuild.
10665
10666 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10667
10668         * gold.h (Incremental_argument_list): Remove (invalid) forward
10669         declaration.
10670         * incremental.cc (Incremental_inputs::report_achive): New method.
10671         (Incremental_inputs::report_object): New method.
10672         (Incremental_inputs::report_script): New method.
10673         (Incremental_inputs::finalize_inputs): New method.
10674         (Incremental_inputs::finalize): Call finalize_inputs().
10675         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10676         Create inputs entries.
10677         * incremental.h (Incremental_input_type): New enum.
10678         (Incremental_inputs::Incremental_input): Initialize new fields.
10679         (Incremental_inputs::report_inputs): New method.
10680         (Incremental_inputs::report_achive): New method.
10681         (Incremental_inputs::report_object): New method.
10682         (Incremental_inputs::report_script): New method.
10683         (Incremental_inputs::finalize_inputs): New method.
10684         (Incremental_inputs::Input_info): New struct.
10685         (Incremental_inputs::Input_info_map): New typedef.
10686         (Incremental_inputs::lock_): New field.
10687         (Incremental_inputs::Inputs_): New field.
10688         (Incremental_inputs::Inputs_map): New field.
10689         * main.cc (main): Call Incremental_input::report_inputs.
10690         * options.h (Input_argument_list): Typedef moved from
10691         Input_arguments.
10692         (Input_file_group::Files): Remove, use ::Input_argument_list.
10693         (Input_file_group::Input_argument_list): Remove, use
10694         ::Input_argument_list.
10695         * plugin.cc (Plugin_manager::add_input_file): Add error in
10696         incremental build.
10697         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10698         functions.
10699         * script.cc (read_input_script): Call
10700         Incremental_input::report_script.
10701         * script.h (Script_info): New class.
10702
10703 2009-04-27  Ian Lance Taylor  <iant@google.com>
10704
10705         * x86_64.cc (do_adjust_output_section): Set entsize to
10706         plt_entry_size.
10707
10708 2009-04-23  Elliott Hughes  <enh@google.com>
10709
10710         * output.cc (Output_file::close): After short writes, continue
10711         writing from the correct offset in the buffer being written.
10712
10713 2009-04-23  Chris Demetriou  <cgd@google.com>
10714
10715         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10716         * configure: Regenerate.
10717         * config.in: Regenerate.
10718         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10719         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10720
10721 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10722
10723         * incremental.cc (Incremental_inputs_header_data): Renamed from
10724         Incremental_input_header_data.
10725         (Incremental_inputs_header_data::data_size): New field.
10726         (Incremental_inputs_header_data::put_input_file_count): Renamed
10727         from input_file_count.
10728         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10729         from command_line_offset.
10730         (Incremental_inputs_header_data::put_reserved): Renamed from
10731         put_reserved.
10732         (Incremental_inputs_entry_data): Renamed from
10733         Incremental_input_entry_data.
10734         (Incremental_inputs_entry_data::data_size): New field.
10735         (Incremental_inputs::report_command_line): New method.
10736         (Incremental_inputs::finalize): New method.
10737         (Incremental_inputs::create_incremental_inputs_data): New method.
10738         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10739         * incremental.h: New file.
10740         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10741         (Layout::finalize): Create incremental inputs section in
10742         incremental builds.
10743         (Layout::create_incremental_info_sections): New method.
10744         * layout.h (Layout::incremental_inputs): New method.
10745         (Layout::create_incremental_info_sections): New method.
10746         (Layout::incremental_inputs_): New field.
10747         * main.cc (main): Notify Incremental_input of the command line.
10748
10749 2009-04-01  Ian Lance Taylor  <iant@google.com>
10750             Mikolaj Zalewski  <mikolajz@google.com>
10751
10752         * gold.h (reserve_unordered_map): Define, three versions, one for
10753         each version of Unordered_map.
10754         * layout.cc (Layout::Layout): Remove options parameter.  Add
10755         number_of_input_files parameter.  Don't initialize options_.
10756         Initialize number_of_input_files_ and resized_signatures_.  Move
10757         sections_are_attached_.
10758         (Layout::layout_group): Reserve space for group_signatures_.
10759         (Layout::find_or_add_kept_section): Change name parameter to be a
10760         reference.  Resize signatures_ map when it gets large enough.
10761         (Layout::layout_eh_frame): Use parameters->options() instead of
10762         this->options_.
10763         (Layout::make_output_section): Likewise.
10764         (Layout::attach_allocated_section_to_segment): Likewise.
10765         (Layout::finalize, Layout::create_executable_stack): Likewise.
10766         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10767         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10768         * layout.h (class Layout): Update declarations.  Remove options_
10769         field.  Add number_of_input_files_ and resized_signatures_
10770         fields.  Move sections_are_attached_ field.
10771         * main.cc (main): Pass number of input files to Layout
10772         constructor.  Don't pass options.
10773
10774 2009-03-30  Ian Lance Taylor  <iant@google.com>
10775
10776         * ffsll.c (ffsll): Correct implementation.
10777
10778 2009-03-27  Ian Lance Taylor  <iant@google.com>
10779
10780         * ffsll.c: New file.
10781         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10782         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10783         * ftruncate.c (ftruncate): Declare before definition.
10784         * mremap.c (mremap): Likewise.
10785         * pread.c (pread): Likewise.
10786         * configure, Makefile.in, config.in: Rebuild.
10787
10788         * mremap.c: New file.
10789         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10790         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10791         (mremap): Declare if HAVE_MREMAP is not defined.
10792         * configure, Makefile.in, config.in: Rebuild.
10793
10794 2009-03-27  Cary Coutant  <ccoutant@google.com>
10795
10796         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10797         position independent.
10798         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10799         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10800
10801 2009-03-24  Cary Coutant  <ccoutant@google.com>
10802
10803         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10804         an executable.
10805         (needs_dynamic_reloc): Likewise.
10806
10807 2009-03-24  Ian Lance Taylor  <iant@google.com>
10808
10809         * yyscript.y (file_cmd): Recognize EXTERN.
10810         (extern_name_list, extern_name_list_body): New nonterminals.
10811         * script.cc (script_add_extern): Define.
10812         * script-c.h (script_add_extern): Declare.
10813
10814 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10815
10816         * object.cc (is_elf_object): Define.
10817         * object.h (is_elf_object): Declare.
10818         * archive.cc (Archive::get_elf_object_for_member): Call
10819         is_elf_object.
10820         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10821
10822 2009-03-24  Elliott Hughes  <enh@google.com>
10823
10824         * output.cc (Output_file::map_anonymous): Define.
10825         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10826         try an anonymous one.  Report the size if the mmap fails.
10827         * output.h (class Output_file): Declare map_anonymous.
10828
10829 2009-03-24  Ian Lance Taylor  <iant@google.com>
10830
10831         * target-select.cc (instantiate_target): Don't acquire the lock if
10832         the instantiated_target_ field has already been set.
10833
10834 2009-03-23  Ian Lance Taylor  <iant@google.com>
10835
10836         * gold-threads.h (class Initialize_lock): Define.
10837         * gold-threads.cc (class Initialize_lock_once): Define.
10838         (initialize_lock_control): New static variable.
10839         (initialize_lock_pointer): New static variable.
10840         (initialize_lock_once): New static function.
10841         (Initialize_lock::Initialize_lock): Define.
10842         (Initialize_lock::initialize): Define.
10843         * target-select.h: Include "gold-threads.h".
10844         (class Target_selector): Add lock_ and initialize_lock_ fields.
10845         Don't define instantiate_target, just declare it.
10846         * target-select.cc (Target_selector::Target_selector): Initialize
10847         new fields.
10848         (Target_selector::instantiate_target): Define.
10849         * descriptors.h: Include "gold-threads.h".
10850         (class Descriptors): Add initialize_lock_ field.
10851         * descriptors.cc (Descriptors::Descriptors): Initialize new
10852         field.
10853         (Descriptors::open): Use initialize_lock_ field
10854         * errors.h (class Errors): Add initialize_lock_ field.
10855         * errors.cc (Errors::Errors): Initialize new field.
10856         (Errors::initialize_lock): Use initialize_lock_ field.
10857         * powerpc.cc (class Target_selector_powerpc): Remove
10858         instantiated_target_ field.  In do_recognize call
10859         instantiate_target rather than do_instantiate_target.  In
10860         do_instantiate_target just allocate a new target.
10861         * sparc.cc (class Target_selector_sparc): Likewise.
10862
10863         * freebsd.h: New file.
10864         * i386.cc: Include "freebsd.h".
10865         (Target_i386): Derive from Target_freebsd rather than
10866         Sized_target.
10867         (Target_selector_i386): Derive from Target_selector_freebsd rather
10868         than Target_selector.
10869         * x86_64.cc: Include "freebsd.h".
10870         (Target_x86_64): Derive from Target_freebsd rather than
10871         Sized_target.
10872         (Target_selector_x86_64): Derive from Target_selector_freebsd
10873         rather than Target_selector.
10874         * target.h (class Target): Add adjust_elf_header and
10875         do_adjust_elf_header.
10876         * output.cc (Output_file_header:: do_sized_write): Call target
10877         adjust_elf_header routine.
10878         * configure.tgt: Set targ_osabi.
10879         * configure.ac: Define GOLD_DEFAULT_OSABI.
10880         * parameters.cc (Parameters::default_target): Pass
10881         GOLD_DEFAULT_OSABI to select_target.
10882         * target-select.h (class Target_selector): Make instantiate_target
10883         protected rather than private.
10884         * Makefile.am (HFILES): Add freebsd.h.
10885         * configure, Makefile.in, config.in: Rebuild.
10886
10887         * merge.cc (do_add_input_section): Correct pend value.  Change
10888         message about last entry not being null terminated from error to
10889         warning.
10890
10891 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10892
10893         * incremental.cc: New file.
10894         * Makefile.am (CCFILES): Add incremental.cc.
10895         * Makefile.in: Rebuild.
10896
10897 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10898
10899         * layout.cc (Layout::output_section_name): Preserve names
10900         of '.note.' sections.
10901
10902 2009-03-19  Ian Lance Taylor  <iant@google.com>
10903
10904         * descriptors.cc (Descriptors::open): Check that the options are
10905         valid before using them.
10906
10907 2009-03-18  Ian Lance Taylor  <iant@google.com>
10908
10909         * script-sections.h: Include <list>.
10910         (class Script_sections): Change Sections_elements from std::vector
10911         to std::list.  Typedef public Elements_iterator.  Add
10912         orphan_section_placement_, data_segment_align_start_, and
10913         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10914         field.
10915         * script-sections.cc (class Orphan_section_placement): New class.
10916         (class Sections_element): Add virtual functions is_relro and
10917         orphan_section_init.  Remove virtual function place_orphan_here.
10918         (class Output_section_definition): Add is_relro and
10919         orphan_section_init.  Remove place_orphan_here.
10920         (class Orphan_output_section): Likewise.
10921         (Script_sections::Script_sections): Update for field changes.
10922         (Script_sections::data_segment_align): Set saw_data_segment_align_
10923         and data_segment_align_start_, not data_segment_align_index.
10924         (Script_sections::data_segment_relro_end): Check
10925         saw_data_segment_align_.  Use data_segment_align_start_ rather
10926         than data_segment_align_index_.
10927         (Script_sections::place_orphan): Rewrite to use
10928         Orphan_section_placement.
10929
10930 2009-03-17  Ian Lance Taylor  <iant@google.com>
10931
10932         * archive.cc (Archive::add_symbols): Check for a version attached
10933         to the symbol name in the archive map.
10934         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10935         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10936         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10937         (ver_test_11.a): New target.
10938         * testsuite/Makefile.in: Rebuild.
10939
10940         * configure.ac: Check for chsize and posix_fallocate.  Replace
10941         ftruncate.
10942         * ftruncate.c: New file, from gnulib.
10943         * output.cc (posix_fallocate): Define dummy version if not
10944         HAVE_POSIX_FALLOCATE.
10945         (Output_file::map): Call posix_fallocate rather than lseek and
10946         write.
10947         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10948         * configure, Makefile.in, config.in: Rebuild.
10949
10950 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10951
10952         * layout.h (Layout::create_note): Add section_name parameter.
10953         * layout.cc (Layout::create_note): Likewise.
10954         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10955
10956 2009-03-17  Ian Lance Taylor  <iant@google.com>
10957
10958         * descriptors.cc: Include "options.h".
10959         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10960         (Descriptors::open): Always use O_CLOEXEC when opening a new
10961         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10962         then set FD_CLOEXEC.
10963
10964         * sparc.cc (class Target_sparc): Add has_got_section.
10965         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10966         make sure we have a GOT section.
10967
10968         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10969         (Target_sparc::Scan::local): Likewise.
10970         (Target_sparc::Scan::global): Likewise.
10971         (Target_sparc::Relocate::relocate): Likewise.
10972         (Target_sparc::Relocate::relocate_tls): Likewise.
10973
10974         * symtab.cc (Symbol_table::define_default_version): New function,
10975         broken out of add_from_object.
10976         (Symbol_table::add_from_object): Call define_default_version.
10977         (Symbol_table::define_special_symbol): Add resolve_oldsym
10978         parameter.  Change all callers.  If the version for a symbol comes
10979         from a version script, resolve it with the symbol with the same
10980         name with no version.  Also add the symbol without a version if
10981         appropriate.
10982         (do_define_in_output_data): If resolving with oldsym, don't delete
10983         sym.
10984         (do_define_in_output_segment): Likewise.
10985         (do_define_as_constant): Likewise.
10986         * symtab.h (class Symbol_table): Update declarations.
10987
10988 2009-03-13  Ian Lance Taylor  <iant@google.com>
10989
10990         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10991         (Read_symbols::requeue): New function.
10992         (Read_symbols::do_read_symbols): If make_elf_object fails because
10993         the target type is not configured, and the file was searched for,
10994         issue a warning and retry with the next directory.
10995         (Add_symbols::run): If the file has an incompatible format, and
10996         it was searched for, requeue the Read_symbols task.  On error,
10997         release the object.
10998         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10999         dirindex parameter to constructor.  Change all callers.  Declare
11000         incompatible_warning and requeue.
11001         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11002         input_argument_ and input_group_ fields.  Add them to
11003         constructor.  Change all callers.
11004         (class Read_script): Add dirindex_ field.  Add it to constructor.
11005         Change all callers.
11006         * archive.cc (Archive::setup): Remove input_objects parameter.
11007         Change all callers.
11008         (Archive::get_file_and_offset): Likewise.
11009         (Archive::read_all_symbols): Likewise.
11010         (Archive::read_symbols): Likewise.
11011         (Archive::get_elf_object_for_member): Remove input_objects
11012         parameter.  Add punconfigured parameter.  Change all callers.
11013         (Archive::add_symbols): Change return type to bool.  Check return
11014         value of include_member.
11015         (Archive::include_all_members): Likewise.
11016         (Archive::include_member): Change return type to bool.  Return
11017         false if first included object has incompatible target.  Set
11018         included_member_ field.
11019         (Add_archive_symbols::run): If add_symbols returns false, requeue
11020         Read_symbols task.
11021         * archive.h (class Archive): Add included_member_ field.
11022         Initialize it in constructor.  Add input_file and searched_for
11023         methods.  Update declarations.
11024         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11025         input_argument_ fields.  Add them to constructor.  Change all
11026         callers.
11027         * script.cc: Include "target-select.h".
11028         (class Parser_closure): Add skip_on_incompatible_target_ and
11029         found_incompatible_target_ fields.  Add
11030         skip_on_incompatible_target parameter to constructor.  Change all
11031         callers.  Add methods skip_on_incompatible_target,
11032         clear_skip_on_incompatible_target, found_incompatible_target, and
11033         set_found_incompatible_target.
11034         (read_input_script): Add dirindex parameter.  Change all callers.
11035         If parser finds an incompatible target, requeue Read_symbols
11036         task.
11037         (script_set_symbol): Clear skip_on_incompatible_target in
11038         closure.
11039         (script_add_assertion, script_parse_option): Likewise.
11040         (script_start_sections, script_add_phdr): Likewise.
11041         (script_check_output_format): New function.
11042         * script.h (read_input_script): Update declaration.
11043         * script-c.h (script_check_output_format): Declare.
11044         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11045         (ignore_cmd): Remove OUTPUT_FORMAT.
11046         * fileread.cc (Input_file::Input_file): Add explicit this.
11047         (Input_file::will_search_for): New function.
11048         (Input_file::open): Add pindex parameter.  Change all callers.
11049         * fileread.h (class Input_file): Add input_file_argument method.
11050         Declare will_search_for.  Update declarations.
11051         * object.cc (make_elf_object): Add punconfigured parameter.
11052         Change all callers.
11053         * object.h (class Object): Make input_file public.  Add
11054         searched_for method.
11055         (make_elf_object): Update declaration.
11056         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11057         restart search.
11058         * dirsearch.h (class Dirsearch): Update declaration.
11059         * options.h (class General_options): Add --warn-search-mismatch.
11060         * parameters.cc (Parameters::is_compatible_target): New function.
11061         * parameters.h (class Parameters): Declare is_compatible_target.
11062         * workqueue.cc (Workqueue::add_blocker): New function.
11063         * workqueue.h (class Workqueue): Declare add_blocker.
11064
11065         * fileread.cc (Input_file::open): Remove options parameter.
11066         Change all callers.
11067         (Input_file::open_binary): Likewise.
11068         * script.cc (read_input_script): Likewise.
11069         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11070         options parameter from constructor.  Change all callers.
11071         (class Read_script): Likewise.
11072         * fileread.h (class Input_file): Update declarations.
11073         * script.h (read_input_script): Update declaration.
11074
11075 2009-03-10  Nick Clifton  <nickc@redhat.com>
11076
11077         * po/es.po: New Spanish translation.
11078
11079 2009-03-06  Cary Coutant  <ccoutant@google.com>
11080
11081         * options.cc (parse_short_option): Keep dash_z from registering itself.
11082
11083 2009-03-03  Ian Lance Taylor  <iant@google.com>
11084
11085         PR 9918
11086         * target-reloc.h (relocate_section): Pass output_section to
11087         relocate.
11088         * i386.cc (Target_i386::should_apply_static_reloc): Add
11089         output_section parameter.  Change all callers.
11090         (Target_i386::Relocate::relocate): Add output_section parameter.
11091         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11092         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11093         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11094         * testsuite/two_file_shared.sh: New script.
11095         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11096         (check_DATA): Add two_file_shared.dbg.
11097         (two_file_shared.dbg): New target.
11098         * testsuite/Makefile.in: Rebuild.
11099
11100 2009-03-01  Ian Lance Taylor  <iant@google.com>
11101
11102         * configure.ac: Check for byteswap.h.
11103         * configure: Rebuild.
11104         * config.in: Rebuild.
11105
11106 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11107
11108         * layout.cc (Layout::find_or_add_kept_section): New function.
11109         (Layout::add_comdat): Removed.
11110         * layout.h (struct Kept_section): Move out of class Layout.
11111         Remove trailing underscores from field names.  Add group_sections
11112         field.  Rename group_ field to is_group.  Change all uses.
11113         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11114         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11115         comdat_groups_ field.
11116         (Sized_relobj::include_section_group): Use
11117         find_or_add_kept_section and Kept_section::group_sections.
11118         (Sized_relobj::include_linkonce_section): Likewise.
11119         * object.cc (class Sized_relobj): Don't define Comdat_group or
11120         Comdat_group_table.  Remove find_comdat_group and
11121         add_comdat_group.  Remove comdat_groups_ field.
11122         * plugin.cc (include_comdat_group): Use
11123         Layout::find_or_add_kept_section.
11124
11125 2009-02-28  Ian Lance Taylor  <iant@google.com>
11126
11127         * README: --gc-sections and map files are now supported.  Document
11128         some build requirements.
11129
11130         PR 6992
11131         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11132         relocatable link set the value of the section symbol to zero.
11133         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11134         relocatable link don't include the section address in the local
11135         symbol value.
11136
11137 2009-02-27  Ian Lance Taylor  <iant@google.com>
11138
11139         PR 6811
11140         * options.h (class Search_directory): Add is_system_directory.
11141         (class General_options): Declare is_in_system_directory.
11142         * options.cc (get_relative_sysroot): Make static.
11143         (get_default_sysroot): Make static.
11144         (General_optoins::is_in_system_directory): New function.
11145         * fileread.cc (Input_file::is_in_system_directory): New function.
11146         * fileread.h (class Input_file): Declare is_in_system_directory.
11147         * object.h (class Object): Add is_in_system_directory.
11148         (class Input_objects): Remove system_library_directory_ field.
11149         * object.cc (Input_objects::add_object): Don't set
11150         system_library_directory_.
11151         (input_objects::found_in_system_library_directory): Remove.
11152         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11153         parameter.  Change all callers.
11154         (Symbol_table::sized_write_globals): Likewise.
11155         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11156         Call Object::is_in_system_directory.
11157         * symtab.h (class Symbol_table): Update declarations.
11158
11159         PR 5990
11160         * descriptors.h (Open_descriptor): Add is_on_stack field.
11161         * descriptors.cc (Descriptors::open): If the descriptor is on the
11162         top of the stack, remove it.  Initialize is_on_stack field.
11163         (Descriptors::release): Only add pod to stack if it is not on the
11164         stack already.
11165         (Descriptors::close_some_descriptor): Clear stack_next and
11166         is_on_stack fields.
11167
11168         PR 7091
11169         * output.cc (Output_section::find_starting_output_address): Rename
11170         from starting_output_address; add PADDR parameter; change return
11171         type.
11172         * output.h (class Output_section): Declare
11173         find_starting_output_address instead of starting_output_address.
11174         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11175         section symbol for which we can't find a merge section.
11176
11177         PR 9836
11178         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11179         hidden or internal, force the symbol to be local.
11180         * resolve.cc (Symbol::override_visibility): Define.
11181         (Symbol::override_base): Use override_visibility.
11182         (Symbol_table::resolve): Likewise.
11183         (Symbol::override_base_with_special): Likewise.
11184         (Symbol_table::override_with_special): If the visibility is hidden
11185         or internal, force the symbol to be local.
11186         * symtab.h (class Symbol): Add set_visibility and
11187         override_visibility.
11188         * testsuite/ver_test_1.sh: New file.
11189         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11190         (check_DATA): Add ver_test_1.syms.
11191         (ver_test_1.syms): New target.
11192         * testsuite/Makefile.in: Rebuild.
11193
11194 2009-02-25  Cary Coutant  <ccoutant@google.com>
11195
11196         * layout.cc (Layout::choose_output_section): Don't rename sections
11197         when using a linker script that has a SECTIONS clause.
11198         * Makefile.in: Regenerate.
11199
11200         * testsuite/Makefile.am (script_test_5.sh): New test case.
11201         * testsuite/Makefile.in: Regenerate.
11202         * testsuite/script_test_5.cc: New file.
11203         * testsuite/script_test_5.sh: New file.
11204         * testsuite/script_test_5.t: New file.
11205
11206 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11207
11208         * archive.cc (Archive::include_member): Update calls to add_symbols.
11209         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11210         the Layout argument.
11211         * dynobj.h (do_add_symbols): Add the Layout argument.
11212         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11213         Layout argument.
11214         * object.h (Object::add_symbols): Add the Layout argument.
11215         (Object::do_add_symbols): Add the Layout argument.
11216         (Sized_relobj::do_add_symbols): Add the Layout argument.
11217         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11218         Unify the two versions.
11219         (Add_plugin_symbols): Remove.
11220         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11221         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11222         (Add_plugin_symbols): Remove.
11223         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11224         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11225         (Add_symbols::run): Make it work with Pulginobj.
11226
11227 2009-02-06  Ian Lance Taylor  <iant@google.com>
11228
11229         * object.cc (Sized_relobj::do_layout): Make info message start
11230         with lower case letter.
11231
11232 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11233
11234         * binary.cc: Fix file comment.
11235
11236         * options.h (enum Incremental_disposition): Define.
11237         (class General_options): Add new options: --incremental,
11238         --incremental_changed, --incremental_unchanged,
11239         --incremental_unknown.  Add incremental_disposition_ and
11240         implicit_incremental_ fields.
11241         (General_options::incremental_disposition): New function.
11242         (class Position_dependent_options): Add incremental_disposition
11243         option.
11244         (Position_dependent_options::copy_from_options): Set incremental
11245         dispositions.
11246         * options.cc (General_options::parse_incremental_changed): New
11247         function.
11248         (General_options::parse_incremental_unchanged): New function.
11249         (General_options::parse_incremental_unknown): New function.
11250         (General_options::General_options): Initialize new fields
11251         incremental_disposition_ and implicit_incremental_.
11252         (General_options::finalize): Check for uasge of --incremental-*
11253         without --incremental.
11254
11255 2009-02-06  Chris Demetriou  <cgd@google.com>
11256
11257         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11258         pointer and to report location as the file name associated with
11259         the symbol.
11260         (gold_undefined_symbol_at_location): New function to replace the
11261         old gold_undefined_symbol functionality.
11262         * target-reloc.h (relocate_section): Update to use
11263         gold_undefined_symbol_at_location.
11264         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11265         Call gold_undefined_symbol function rather than gold_error.
11266         * errors.h (Errors::undefined_symbol): Take location as a
11267         string, rather than calculating it from a relocation.
11268         * errors.cc (Errors::fatal): Print "fatal error:" before the
11269         formatted message.
11270         (Errors::error, Errors::error_at_location): Print "error: "
11271         before the formatted message.
11272         (Errors::undefined_symbol): Take location as a string, rather
11273         than calculating it from a relocation.
11274         (gold_undefined_symbol_at_location): New function akin to
11275         old gold_undefined_symbol, calculates location from relocation.
11276         (gold_undefined_symbol): Change to take only a Symbol pointer
11277         and to report location as the file name associated with the symbol.
11278         * testsuite/debug_msg.sh: Update for changed error messages.
11279         * testsuite/undef_symbol.sh: Likewise.
11280
11281 2009-02-04  Duncan Sands  <baldrick@free.fr>
11282
11283         PR 9812
11284         * reduced_debug_output.h
11285         (Output_reduced_debug_abbrev_section::failed): Use format for
11286         gold_warning.
11287         (Output_reduced_debug_info_section::faild): Likewise.
11288
11289 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11290
11291         * script.cc (Lazy_demangler): New class.
11292         (Version_script_info::get_symbol_version_helper): Demangle a
11293         symbol only once.
11294
11295 2009-01-29  Cary Coutant  <ccoutant@google.com>
11296
11297         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11298         to __tls_get_addr.
11299         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11300
11301 2009-01-28  Ian Lance Taylor  <iant@google.com>
11302
11303         * version.cc (version_string): Bump to 1.9.
11304
11305         * gold.h: Include <cstring> and <stdint.h>.
11306         * version.cc: Include <cstdio>.
11307         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11308         warning.
11309         * reduced_debug_output.cc (insert_into_vector): Rename from
11310         Insert_into_vector; change all callers.  Use Swap_unaligned to
11311         avoid aliasing issue; remove union since it is unnecessary.
11312
11313 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11314
11315         * Makefile.am (CCFILES): Add gc.cc.
11316         (HFILES): Add gc.h.
11317         * Makefile.in: Regenerate.
11318         * gold.cc (Gc_runner): New class.
11319         (queue_initial_tasks): Call garbage collection related tasks
11320         when corresponding options are invoked.
11321         (queue_middle_gc_tasks): New function.
11322         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11323         processed early before laying out sections during garbage collection.
11324         * gold.h (queue_middle_gc_tasks): New function.
11325         (is_prefix_of): Move from "layout.cc".
11326         * i386.cc (Target_i386::gc_process_relocs): New function.
11327         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11328         * main.cc (main): Create object of class "Garbage_collection".
11329         * object.cc (Relobj::copy_symbols_data): New function.
11330         (Relobj::is_section_name_included): New function.
11331         (Sized_relobj::do_layout): Allow this function to be called twice
11332         during garbage collection and defer layout of section during the
11333         first call.
11334         * object.h (Relobj::get_symbols_data): New function.
11335         (Relobj::is_section_name_included): New function.
11336         (Relobj::copy_symbols_data): New function.
11337         (Relobj::set_symbols_data): New function.
11338         (Relobj::get_relocs_data): New function.
11339         (Relobj::set_relocs_data): New function.
11340         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11341         (Relobj::gc_process_relocs): New function.
11342         (Relobj::do_gc_process_relocs): New pure virtual function.
11343         (Relobj::sd_): New data member.
11344         (Sized_relobj::is_output_section_offset_invalid): New function.
11345         (Sized_relobj::do_gc_process_relocs): New function.
11346         * options.h (General_options::gc_sections): Modify to not be a no-op.
11347         (General_options::print_gc_sections): New option.
11348         * plugin.cc (Plugin_finish::run): Remove function call to
11349         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11350         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11351         * reloc.cc (Read_relocs::run): Add task to process relocs and
11352         determine unreferenced sections when doing garbage collection.
11353         (Gc_process_relocs): New class.
11354         (Sized_relobj::do_gc_process_relocs): New function.
11355         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11356         sections that are garbage collected.
11357         * reloc.h (Gc_process_relocs): New class.
11358         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11359         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11360         symbols whose corresponding sections are garbage collected.
11361         (Symbol_table::Symbol_table): Add new parameter for the garbage
11362         collection object.
11363         (Symbol_table::gc_mark_undef_symbols): New function.
11364         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11365         (Symbol_table::gc_mark_dyn_syms): New function.
11366         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11367         as garbage.
11368         (Symbol_table::add_from_object): Likewise.
11369         (Symbol_table::add_from_relobj): When building shared objects, do not
11370         treat externally visible symbols as garbage.
11371         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11372         table information for static and relocatable links.
11373         * symtab.h (Symbol_table::set_gc): New function.
11374         (Symbol_table::gc): New function.
11375         (Symbol_table::gc_mark_undef_symbols): New function.
11376         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11377         (Symbol_table::gc_mark_dyn_syms): New function.
11378         (Symbol_table::gc_): New data member.
11379         * target.h (Sized_target::gc_process_relocs): New pure virtual
11380         function.
11381         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11382         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11383
11384 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11385
11386         * options.h (General_options::gc_sections): Define as a no-op for now.
11387         (General_options::no_keep_memory): Ditto.
11388         (General_options::Bshareable): Define.
11389         * options.cc (General_options::finalize): Honor -Bshareable.
11390
11391 2009-01-20  Andreas Schwab  <schwab@suse.de>
11392
11393         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11394         read the value in the contents, since we don't use it.  Use the
11395         template endianness when writing.
11396         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11397
11398 2009-01-19  Andreas Schwab  <schwab@suse.de>
11399
11400         * configure.tgt (powerpc64-*): Fix targ_obj.
11401
11402 2009-01-15  Ian Lance Taylor  <iant@google.com>
11403
11404         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11405         local symbols when stripping all symbols.
11406
11407 2009-01-14  Cary Coutant  <ccoutant@google.com>
11408
11409         * output.cc (Output_reloc): Add explicit instantiations.
11410
11411 2009-01-14  Cary Coutant  <ccoutant@google.com>
11412
11413         * archive.cc (Archive::get_elf_object_for_member): Remove call
11414         to File_read::claim_for_plugin.
11415         * descriptors.cc (Descriptors::open): Remove reference to
11416         is_claimed.
11417         (Descriptors::claim_for_plugin): Remove.
11418         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11419         (Descriptors::is_claimed): Remove.
11420         (claim_descriptor_for_plugin): Remove.
11421         * fileread.cc (File_read::claim_for_plugin): Remove.
11422         * fileread.h (File_read::claim_for_plugin): Remove.
11423         (File_read::descriptor): Reopen descriptor if necessary.
11424         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11425         (Plugin_manager::all_symbols_read): Add task parameter. Change
11426         all callers.
11427         (Plugin_manager::get_input_file): New function.
11428         (Plugin_manager::release_input_file): New function.
11429         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11430         corresponding data member.
11431         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11432         and pass to base constructor. Change all callers.
11433         (get_input_file, release_input_file): New functions.
11434         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11435         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11436         (Plugin_manager::all_symbols_read): Add task parameter.
11437         (Plugin_manager::get_input_file): New function.
11438         (Plugin_manager::release_input_file): New function.
11439         (Plugin_manager::task_): New data member.
11440         (Pluginobj::Pluginobj): Add filesize parameter.
11441         (Pluginobj::filename): New function.
11442         (Pluginobj::descriptor): New function.
11443         (Pluginobj::filesize): New function.
11444         (Pluginobj::filesize_): New data member.
11445         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11446         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11447         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11448
11449         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11450         with archive libraries.
11451         * testsuite/Makefile.in: Regenerate.
11452         * testsuite/plugin_test.c (struct sym_info): New type.
11453         (get_input_file, release_input_file): New static variables.
11454         (onload): Capture new transfer vector entries.
11455         (claim_file_hook): Stop reading at end of file according to filesize.
11456         Factor out parsing of readelf output into separate function.
11457         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11458         APIs and get the source file name from the symbol table.  Convert
11459         source file name to corresponding object file name.  Print info
11460         message when adding new input files.
11461         (parse_readelf_line): New function.
11462         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11463         * testsuite/plugin_test_2.sh: Likewise.
11464         * testsuite/plugin_test_3.sh: Likewise.
11465         * testsuite/plugin_test_4.sh: New test case.
11466
11467 2009-01-07  Ian Lance Taylor  <iant@google.com>
11468
11469         * version.cc (version_string): Bump to 1.8.
11470
11471 2008-12-23  Cary Coutant  <ccoutant@google.com>
11472
11473         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11474         * plugin.cc (Plugin_manager::finish): Rename as
11475         layout_deferred_objects.  Move cleanup to separate function.
11476         (Plugin_manager::cleanup): New function.
11477         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11478         separately.
11479         * plugin.h (Plugin_manager::finish): Rename as
11480         layout_deferred_objects.
11481         (Plugin_manager::cleanup): New function.
11482         (Plugin_manager::cleanup_done): New field.
11483
11484 2008-12-23  Cary Coutant  <ccoutant@google.com>
11485
11486         * plugin.cc (is_visible_from_outside): New function.
11487         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11488         so we don't return "IR only" status for exported symbols or -r links.
11489
11490         * testsuite/Makefile.am (plugin_test_3): New test case.
11491         * testsuite/Makefile.in: Regenerate.
11492         * testsuite/plugin_test_3.sh: New file.
11493
11494 2008-12-22  Cary Coutant  <ccoutant@google.com>
11495
11496         * object.cc (Sized_relobj::layout_section): New function.
11497         (Sized_relobj::do_layout): Defer layout of input sections until after
11498         plugin has provided replacement files.
11499         (Sized_relobj::do_layout_deferred_sections): New function.
11500         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11501         (Relobj::layout_deferred_sections): New function.
11502         (Relobj::do_layout_deferred_sections): New function.
11503         (Sized_relobj::do_layout_deferred_sections): New function.
11504         (Sized_relobj::layout_section): New function.
11505         (Sized_relobj::Deferred_layout): New structure.
11506         (Sized_relobj::deferred_layout_): New field.
11507         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11508         Change all callers.  Layout deferred sections.
11509         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11510         references.
11511         (Plugin_hook::run): Move code from do_plugin_hook inline.
11512         (Plugin_hook::do_plugin_hook): Remove.
11513         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11514         (Plugin_manager::finish): Renamed, was cleanup.
11515         (Plugin_manager::should_defer_layout): New function.
11516         (Plugin_manager::add_deferred_layout_object): New function.
11517         (Plugin_manager::Deferred_layout_list): New type.
11518         (Plugin_manager::deferred_layout_objects_): New field.
11519         (Plugin_hook::do_plugin_hook): Remove.
11520
11521 2008-12-17  Ian Lance Taylor  <iant@google.com>
11522
11523         * options.h (class General_options): Add --no case for
11524         --export-dynamic.
11525
11526 2008-12-16  Cary Coutant  <ccoutant@google.com>
11527
11528         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11529         vector.
11530         (Plugin_manager::claim_file): Create plugin object even if
11531         plugin did not call the add_symbols callback.
11532         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11533         asking for more symbols than were added.
11534         * testsuite/Makefile.am (plugin_test_1): Add test case with
11535         no global symbols.
11536         (empty.syms): New target.
11537         * testsuite/Makefile.in: Regenerate.
11538         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11539         message. Don't call add_symbols if no globals.
11540         (all_symbols_read_hook): Don't provide replacement for empty
11541         claimed file.
11542
11543 2008-12-12  Ian Lance Taylor  <iant@google.com>
11544
11545         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11546         r_type == 0 for a local symbol with r_sym == 0.
11547         (scan_relocatable_relocs): Pass r_sym to
11548         local_non_section_strategy.
11549         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11550         r_sym parameter.
11551
11552         * configure.ac: Update test for TLS descriptors: they are
11553         supported as of glibc 2.9.
11554         * configure: Rebuild.
11555
11556 2008-12-11  Ian Lance Taylor  <iant@google.com>
11557
11558         PR 7091
11559         * target-reloc.h (Default_scan_relocatable_relocs): For each
11560         function, map r_type == 0 to RELOC_DISCARD.
11561
11562 2008-12-10  Cary Coutant  <ccoutant@google.com>
11563
11564         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11565         object to override a kept COMDAT group from a plugin object.
11566
11567 2008-12-09  Ian Lance Taylor  <iant@google.com>
11568
11569         PR 7088
11570         * yyscript.y (file_cmd): Handle INPUT.
11571
11572         * testsuite/initpri1.c: Change all declarations to be full
11573         prototypes by adding void, to avoid compiler warnings.
11574
11575 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11576
11577         * options.cc (General_options::parse_plugin_opt): New.
11578         (General_options::add_plugin): The argument now is just the filename.
11579         (General_options::add_plugin_option): New.
11580         * options.h (plugin_opt): New.
11581         (add_plugin): Change argument name.
11582         (add_plugin_option): New.
11583         * plugin.cc (Plugin::load): Don't parse the plugin option.
11584         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11585         (Plugin::add_option): New.
11586         (Plugin::args_): Change type.
11587         (Plugin::filename_): New.
11588         (Plugin_manager::add_plugin_option): New.
11589         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11590         * testsuite/Makefile.in: Regenerate.
11591
11592 2008-12-05  Cary Coutant  <ccoutant@google.com>
11593
11594         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11595         Handle --strip-lto-sections option.
11596         * options.h (strip_lto_sections): New option.
11597
11598 2008-12-01  Cary Coutant  <ccoutant@google.com>
11599
11600         * plugin.cc (ld_plugin_message): Change format parameter to const.
11601         Fix mismatch between new[] and delete.
11602
11603 2008-11-14  Cary Coutant  <ccoutant@google.com>
11604
11605         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11606         instead of -1U.
11607
11608 2008-11-05  Craig Silverstein  <csilvers@google.com>
11609
11610         * options.cc (General_options::parse_dynamic_list): New function.
11611         * options.h (General_options): New flags dynamic_list,
11612         dynamic_list_data, dynamic_list_cpp_new, and
11613         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11614         (General_options::in_dynamic_list): New function.
11615         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11616         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11617         (Lex::can_continue_name): Likewise.
11618         (yylex): Likewise.
11619         (read_script_file): New parameter script_options.
11620         (read_dynamic_list): New function.
11621         (Script_options::define_dynamic_list): New function.
11622         (dynamic_list_keyword_parsecodes): New variable.
11623         (dynamic_list_keywords): New variable.
11624         * script.h (Script_options::define_dynamic_list): New function
11625         prototype.
11626         (read_dynamic_list): New function prototype.
11627         * symtab.cc (strprefix): New macro.
11628         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11629         dynamic_list_data, dynamic_list_cpp_new, and
11630         dynamic_list_cpp_typeinfo.
11631         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11632         (dynamic_list_expr): New rule.
11633         (dynamic_list_nodes): Likewise.
11634         (dynamic_list_node): Likewise.
11635         * testsuite/Makefile.am (dynamic_list): New test.
11636         * testsuite/Makefile.in: Regenerated.
11637         * testsuite/dynamic_list.t: New file.
11638         * testsuite/dynamic_list.sh: New file.
11639
11640 2008-11-05  Craig Silverstein  <csilvers@google.com>
11641
11642         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11643         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11644         (t11_last): Likewise.
11645         * testsuite/ver_test_6.c (main): Likewise.
11646
11647 2008-10-07  Cary Coutant  <ccoutant@google.com>
11648
11649         * options.c (General_options::finalize): Add check for -static and
11650         -shared.
11651         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11652         is not empty.
11653
11654 2008-10-02  Cary Coutant  <ccoutant@google.com>
11655
11656         * plugin.cc (make_sized_plugin_object): Fix conditional
11657         compilation to work when not all targets are enabled.
11658
11659 2008-09-29  Cary Coutant  <ccoutant@google.com>
11660
11661         * archive.cc (Archive::get_file_and_offset): Use filename instead
11662         of name to get library path.
11663         (Archive::include_member): Unlock external member of a thin archive.
11664
11665         * testsuite/Makefile.am (TEST_AR): New variable.
11666         (thin_archive_test_1): New test.
11667         (thin_archive_test_2): New test.
11668         * testsuite/Makefile.in: Regenerate.
11669         * testsuite/thin_archive_main.cc: New file.
11670         * testsuite/thin_archive_test_1.cc: New file.
11671         * testsuite/thin_archive_test_2.cc: New file.
11672         * testsuite/thin_archive_test_3.cc: New file.
11673         * testsuite/thin_archive_test_4.cc: New file.
11674
11675 2008-09-29  Cary Coutant  <ccoutant@google.com>
11676
11677         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11678         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11679         instead of -1U.
11680         (Sized_relobj::do_finalize_local_symbols): Likewise.
11681         (Sized_relobj::map_to_kept_section): Likewise.
11682         * object.h (Sized_relobj::invalid_address): New constant.
11683         (Sized_relobj::do_output_section_offset): Check for invalid_address
11684         and return -1ULL.
11685         * output.cc (Output_reloc::local_section_offset): Use constant
11686         invalid_address instead of -1U.
11687         (Output_reloc::get_address): Likewise.
11688         (Output_section::output_address): Change -1U to -1ULL.
11689         * output.h (Output_reloc::invalid_address): New constant.
11690         * reloc.cc (Sized_relobj::write_sections): Use constant
11691         invalid_address instead of -1U.
11692         (Sized_relobj::relocate_sections): Likewise.
11693         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11694         values for merge sections.
11695         * target-reloc.h (relocate_for_relocatable): Use constant
11696         invalid_address instead of -1U.
11697
11698 2008-09-19  Cary Coutant  <ccoutant@google.com>
11699
11700         Add plugin functionality for link-time optimization (LTO).
11701         * configure.ac (plugins): Add --enable-plugins option.
11702         * configure: Regenerate.
11703         * config.in: Regenerate.
11704         * Makefile.am (LIBDL): New variable.
11705         (CCFILES): Add plugin.cc.
11706         (HFILES): Add plugin.h.
11707         (ldadd_var): Add LIBDL.
11708         * Makefile.in: Regenerate.
11709
11710         * archive.cc: Include "plugin.h".
11711         (Archive::setup): Don't preread archive symbols when using a plugin.
11712         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11713         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11714         files.
11715         (Archive::include_member): Add symbols from plugin objects.
11716         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11717         * descriptors.cc (Descriptors::open): Check for file descriptors
11718         abandoned by plugins.
11719         (Descriptors::claim_for_plugin): New function.
11720         * descriptors.h (Descriptors::claim_for_plugin): New function.
11721         (Open_descriptor::is_claimed): New field.
11722         (claim_descriptor_for_plugin): New function.
11723         * fileread.cc (File_read::claim_for_plugin): New function.
11724         * fileread.h (File_read::claim_for_plugin): New function.
11725         (File_read::descriptor): New function.
11726         * gold.cc: Include "plugin.h".
11727         (queue_initial_tasks): Add task to call plugin hooks for generating
11728         new object files.
11729         * main.cc: Include "plugin.h".
11730         (main): Load plugin libraries.
11731         * object.h (Pluginobj): Declare.
11732         (Object::pluginobj): New function.
11733         (Object::do_pluginobj): New function.
11734         (Object::set_target): New function.
11735         * options.cc: Include "plugin.h".
11736         (General_options::parse_plugin): New function.
11737         (General_options::General_options): Initialize plugins_ field.
11738         (General_options::add_plugin): New function.
11739         * options.h (Plugin_manager): Declare.
11740         (General_options): Add --plugin option.
11741         (General_options::has_plugins): New function.
11742         (General_options::plugins): New function.
11743         (General_options::add_plugin): New function.
11744         (General_options::plugins_): New field.
11745         * plugin.cc: New file.
11746         * plugin.h: New file.
11747         * readsyms.cc: Include "plugin.h".
11748         (Read_symbols::do_read_symbols): Check for archive before checking
11749         for ELF file.  Call plugin hooks to claim files.
11750         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11751         from a real object file; force override when processing replacement
11752         files.
11753         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11754         (Symbol::init_base_object): Likewise.
11755         (Symbol::init_base_output_data): Likewise.
11756         (Symbol::init_base_output_segment): Likewise.
11757         (Symbol::init_base_constant): Likewise.
11758         (Symbol::init_base_undefined): Likewise.
11759         (Symbol::output_section): Assert that object is not a plugin.
11760         (Symbol_table::add_from_pluginobj): New function.
11761         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11762         undefined.
11763         (Symbol_table::sized_write_globals): Likewise.
11764         (Symbol_table::add_from_pluginobj): Instantiate template.
11765         * symtab.h (Sized_pluginobj): Declare.
11766         (Symbol::in_real_elf): New function.
11767         (Symbol::set_in_real_elf): New function.
11768         (Symbol::in_real_elf_): New field.
11769         (Symbol_table::add_from_pluginobj): New function.
11770
11771         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11772         (LIBDL): New variable.
11773         (LDADD): Add LIBDL.
11774         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11775         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11776         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11777         (MOSTLYCLEANFILES): Likewise.
11778         * testsuite/Makefile.in: Regenerate.
11779         * testsuite/plugin_test.c: New file.
11780         * testsuite/plugin_test_1.sh: New file.
11781         * testsuite/plugin_test_2.sh: New file.
11782
11783 2008-09-16  Ian Lance Taylor  <iant@google.com>
11784
11785         * target-reloc.h (relocate_section): Check whether a symbol is
11786         defined by the ABI before reporting an undefined symbol error.
11787         * target.h (Target::is_defined_by_abi): Make parameter const.
11788         (Target::do_is_defined_by_abi): Likewise.
11789         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11790         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11791         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11792         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11793         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11794         * testsuite/Makefile.in: Rebuild.
11795
11796         * fileread.cc (make_view): Add casts to avoid warning.
11797
11798 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11799
11800         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11801         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11802
11803 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11804
11805         * options.h (General_options::output_is_executable): New.
11806         (General_options::output_is_pie): New.
11807         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11808         for shared libraries.
11809         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11810
11811 2008-09-11  Chris Demetriou  <cgd@google.com>
11812
11813         * options.h (origin): New -z option.
11814         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11815         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11816         in DT_FLAGS_1.
11817
11818 2008-09-05  Cary Coutant  <ccoutant@google.com>
11819
11820         * fileread.cc (File_read::make_view): Add check for attempt to map
11821         beyond end of file.
11822
11823 2008-09-05  Cary Coutant  <ccoutant@google.com>
11824
11825         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11826         explicit instantiations.
11827
11828 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11829
11830         PR gold/6858
11831         * options.cc (General_options::finalize): Allow undefined symbols
11832         in shlibs if linking -shared.
11833
11834         PR gold/6859
11835         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11836         symbols as not needing a dynsym entry.
11837
11838 2008-08-20  Craig Silverstein  <csilvers@google.com>
11839
11840         * fileread.cc (File_read::open): Do not lock the file unless it
11841         was successfully opened.
11842
11843 2008-08-14  Cary Coutant  <ccoutant@google.com>
11844
11845         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11846         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11847         * testsuite/tls_test.cc (struct int128): 128-bit struct
11848         for testing TLS relocs with non-zero addend.
11849         (v12): New TLS variable.
11850         (t12): New test.
11851         (t_last): Add check for v12.
11852         * testsuite/tls_test.h (t12): New function.
11853         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11854
11855 2008-08-13  Ian Lance Taylor  <iant@google.com>
11856
11857         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11858         set tls_segment_ or relro_segment_.
11859         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11860         when appropriate.
11861         * output.h (Output_section::clear_is_relro): New function.
11862         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11863         sections specially even when output_data_ is empty.
11864         (Output_segment::maximum_alignment): When first section is relro,
11865         only force alignment for PT_LOAD segments.
11866         * script.cc (script_data_segment_align): New function.
11867         (script_data_segment_relro_end): New function.
11868         * script-c.h (script_data_segment_align): Declare.
11869         (script_data_segment_relro_end): Declare.
11870         * script-sections.h (class Script_sections): Declare
11871         data_segment_align and data_segment_relro_end.  Add fields
11872         segment_align_index_ and saw_relro_end_.
11873         * script-sections.cc (class Sections_element): Add set_is_relro
11874         virtual function.  Add new bool* parameter to place_orphan_here.
11875         Add get_output_section virtual function.
11876         (class Output_section_definition): Add set_is_relro.  Add new
11877         bool* parameter to place_orphan_here.  Add get_output_section.
11878         Add is_relro_ field.
11879         (Output_section_definition::Output_section_definition): Initialize
11880         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11881         and is_relro_ fields.
11882         (Output_section_definition::place_orphan_here): Add is_relro
11883         parameter.
11884         (Output_section_definition::set_section_addresses): Set relro for
11885         output section.
11886         (Output_section_definition::alternate_constraint): Likewise.
11887         (class Orphan_output_section): Add new bool* parameter to
11888         place_orphan_here.  Add get_output_section.
11889         (Orphan_output_section::place_orphan_here): Add is_relro
11890         parameter.
11891         (Script_sections::Script_sections): Initialize
11892         data_segment_align_index_ and saw_relro_end_.
11893         (Script_sections::data_segment_align): New function.
11894         (Script_sections::data_segment_relro_end): New function.
11895         (Script_sections::place_orphan): Set or clear is_relro.
11896         (Script_sections::set_section_addresses): Force alignment of first
11897         TLS section.
11898         * yyscript.y (exp): Call script_data_segment_align and
11899         script_data_segment_relro_end.
11900         * testsuite/relro_script_test.t: New file.
11901         * testsuite/relro_test.cc (using_script): Declare.
11902         (t1, t2): Test using_script.
11903         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11904         (relro_script_test_SOURCES): Define.
11905         (relro_script_test_DEPENDENCIES): Define.
11906         (relro_script_test_LDFLAGS): Define.
11907         (relro_script_test_LDADD): Define.
11908         (relro_script_test.so): New target.
11909         * testsuite/Makefile.in: Rebuild.
11910
11911 2008-08-06  Cary Coutant <ccoutant@google.com>
11912
11913         * archive.cc (Archive::total_archives, Archive::total_members)
11914         (Archive::total_members_loaded): New variables.
11915         (Archive::setup): Add parameter.  Add option to preread
11916         archive symbols.
11917         (Archive::read_armap): Add counter.
11918         (Archive::get_file_and_offset): New function.
11919         (Archive::get_elf_object_for_member): New function.
11920         (Archive::read_all_symbols): New function.
11921         (Archive::read_symbols): New function.
11922         (Archive::add_symbols): Add counters.
11923         (Archive::include_all_members): Use armap to find members if it's
11924         already built.
11925         (Archive::include_member): Skip reading symbols if already read.
11926         Factored code into Archive::get_file_and_offset and
11927         Archive::get_elf_object_for_member.  Changed call to
11928         Mapfile::report_include_archive_member.
11929         (Archive::print_stats): New function.
11930         * archive.h: Declare Object and Read_symbols_data classes.
11931         (Archive::Archive): Add initializers for new members.
11932         (Archive::setup): Add parameter.
11933         (Archive::print_stats): New function.
11934         (Archive::total_archives, Archive::total_members)
11935         (Archive::total_members_loaded): New variables.
11936         (Archive::get_file_and_offset): New function.
11937         (Archive::get_elf_object_for_member): New function.
11938         (Archive::read_all_symbols): New function.
11939         (Archive::read_symbols): New function.
11940         (Archive::Archive_member): New class.
11941         (Archive::members_): New member.
11942         (Archive::num_members_): New member.
11943         * main.cc: Include archive.h.
11944         (main): Call Archive::print_stats.
11945         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11946         archive parameter; member_name is now the fully-decorated name.
11947         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11948         * options.h: (General_options): Add --preread-archive-symbols option.
11949         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11950         Archive::setup.
11951
11952 2008-08-04  Ian Lance Taylor  <iant@google.com>
11953
11954         * symtab.h (Symbol::use_plt_offset): New function.
11955         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11956         * powerpc.cc (Relocate::relocate): Likewise.
11957         * sparc.cc (Relocate::relocate): Likewise.
11958         * x86_64.cc (Relocate::relocate): Likewise.
11959         * testsuite/weak_plt.sh: New test.
11960         * testsuite/weak_plt_main.cc: New test.
11961         * testsuite/weak_plt_shared.cc: New test.
11962         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11963         (check_PROGRAMS): Add weak_plt.
11964         (check_DATA): Add weak_plt_shared.so.
11965         (weak_plt_main_pic.o, weak_plt): New targets.
11966         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11967         * testsuite/Makefile.in: Rebuild.
11968
11969         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11970         gcctestdir/ld.
11971         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11972         * testsuite/Makefile.in: Rebuild.
11973
11974 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11975
11976         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11977         * Makefile.in: Regenerate.
11978         * po/POTFILES.in: Regenerate.
11979
11980 2008-07-29  Ian Lance Taylor  <iant@google.com>
11981
11982         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11983         symbols before other symbols.
11984         * testsuite/script_test_2.cc (test_addr): Declare.
11985         (test_addr_alias): Declare.
11986         (main): Check that test_addr and test_addr_alias have the right
11987         values.
11988         * testsuite/script_test_2.t: Define test_addr_alias and
11989         test_addr.
11990
11991 2008-07-24  Ian Lance Taylor  <iant@google.com>
11992
11993         PR 5990
11994         * descriptors.cc: New file.
11995         * descriptors.h: New file.
11996         * gold-threads.h (class Hold_optional_lock): New class.
11997         * fileread.cc: Include "descriptors.h".
11998         (File_read::~File_read): Release descriptor rather than closing
11999         it.
12000         (File_read::open) [file]: Call open_descriptor rather than open.
12001         Set is_descriptor_opened_.
12002         (File_read::open) [memory]: Assert that descriptor is not open.
12003         (File_read::reopen_descriptor): New function.
12004         (File_read::release): Release descriptor.
12005         (File_read::do_read): Make non-const.  Reopen descriptor.
12006         (File_read::read): Make non-const.
12007         (File_read::make_view): Reopen descriptor.
12008         (File_read::do_readv): Likewise.
12009         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12010         Update declarations.
12011         * layout.cc: Include "descriptors.h".
12012         (Layout::create_build_id): Use open_descriptor rather than open.
12013         * output.cc: Include "descriptors.h".
12014         (Output_file::open): Use open_descriptor rather than open.
12015         * archive.cc (Archive::const_iterator): Change Archive to be
12016         non-const.
12017         (Archive::begin, Archive::end): Make non-const.
12018         (Archive::count_members): Likewise.
12019         * archive.h (class Archive): Update declarations.
12020         * object.h (Object::read): Make non-const.
12021         * Makefile.am (CCFILES): Add descriptors.cc.
12022         (HFILES): Add descriptors.h.
12023         * Makefile.in: Rebuild.
12024
12025         PR 6716
12026         * gold.h: Always include <clocale>.  Add Solaris workarounds
12027         following code in binutils/sysdep.h.
12028
12029         PR 6048
12030         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12031         this->eh_frame_hdr_ is NULL before using it.
12032
12033         * dynobj.cc (Versions::Versions): Update comment.
12034
12035         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12036         the base version name.
12037
12038         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12039         array size plus one.
12040         (Stringpool_template::set_string_offsets): Subtract one from key
12041         before using it as an array index.
12042         (Stringpool_template::get_offset_with_length): Likewise.
12043         (Stringpool_template::write_to_buffer): Likewise.
12044         * stringpool.h (Stringpool_template::get_offset_from_key):
12045         Likewise.
12046
12047 2008-07-23  Ian Lance Taylor  <iant@google.com>
12048
12049         PR 6658
12050         * object.h (Merged_symbol_value::value): Do our best to handle a
12051         negative addend.
12052
12053         PR 6647
12054         * script.cc (Version_script_info::get_versions): Don't add empty
12055         version tag to return value.
12056         (Version_script_info::get_symbol_version_helper): Change return
12057         type to bool.  Add pversion parameter.  Change all callers.
12058         (script_register_vers_node): Don't require a non-NULL tag.
12059         * script.h (class Version_script_info): Update declarations.
12060         (Version_script_info::get_symbol_version): Change return type to
12061         bool.  Add version parameter.  Change all callers.
12062         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12063         handling.  Handle an empty version from a version script.
12064         (Symbol_table::define_special_symbol): Likewise.
12065         * testsuite/ver_test_10.script: New file.
12066         * testsuite/ver_test_10.sh: New file.
12067         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12068         (check_DATA): Add ver_test_10.syms.
12069         (ver_test_10.syms, ver_test_10.so): New target.
12070         * testsuite/Makefile.in: Rebuild.
12071
12072 2008-07-23  Simon Baldwin  <simonb@google.com>
12073
12074         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12075         to zero for undefined symbols from dynamic libraries.
12076
12077 2008-07-23  Ian Lance Taylor  <iant@google.com>
12078
12079         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12080         Change all callers.
12081         * symtab.h (class Symbol_table): Update declaration.
12082         * testsuite/ver_test_9.cc: New file.
12083         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12084         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12085         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12086         (ver_test_9.so, ver_test_9.o): New targets.
12087         * testsuite/Makefile.in: Rebuild.
12088
12089 2008-07-22  Ian Lance Taylor  <iant@google.com>
12090
12091         * options.h (class General_options): Define --check-sections.
12092         * layout.cc (Layout::set_segment_offsets): Handle
12093         --check-sections.
12094
12095         * options.h (class General_options): Define -n/--nmagic and
12096         -N/--omagic.
12097         * options.cc (General_options::finalize): For -n/--nmagic or
12098         -N/--omagic, set -static.
12099         * layout.cc (Layout::attach_allocated_section_to_segment): If
12100         -N/--omagic, don't put read-only and read-write sections in
12101         different segments.
12102         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12103         finding a read-only segment.
12104         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12105         don't set the minimum segment alignment to the common page size,
12106         and don't set the file offset to the address modulo the page size.
12107         * script-sections.cc (Script_sections::create_segments): If
12108         -n/--omagic, don't put read-only and read-write sections in
12109         different segments.
12110
12111         * cref.cc: New file.
12112         * cref.h: New file.
12113         * options.h (class General_options): Add --print-symbol-counts.
12114         * main.cc (main): Issue defined symbol report if requested.
12115         * archive.cc (Archive::interpret_header): Make into a const member
12116         function.
12117         (Archive::add_symbols): Call Input_objects::archive_start and
12118         archive_stop.
12119         (Archive::const_iterator): Define new class.
12120         (Archive::begin, Archive::end): New functions.
12121         (Archive::include_all_members): Rewrite to use iterator.
12122         (Archive::count_members): New function.
12123         * archive.h (class Archive): Update declarations.
12124         (Archive::filename): New function.
12125         * object.cc: Include "cref.h".
12126         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12127         (Sized_relobj::do_get_global_symbol_counts): New function.
12128         (Input_objects::add_object): Add object to cross-referencer.
12129         (Input_objects::archive_start): New function.
12130         (Input_objects::archive_stop): New function.
12131         (Input_objects::print_symbol_counts): New function.
12132         * object.h: Declare Cref and Archive.
12133         (Object::get_global_symbol_counts): New function.
12134         (Object::do_get_global_symbol_counts): New pure virtual function.
12135         (class Sized_relobj): Add defined_count_ field.  Update
12136         declarations.
12137         (class Input_objects): Add cref_ field.  Update constructor.
12138         Update declarations.
12139         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12140         defined_count_.
12141         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12142         symbol counts.
12143         (Sized_dynobj::do_get_global_symbol_counts): New function.
12144         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12145         defined_count_.  Update declarations.  Define Symbols typedef.
12146         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12147         parameter.  Change all callers.
12148         (Symbol_table::add_from_dynobj): Add sympointers and defined
12149         parameters.  Change all callers.
12150         * symtab.h (class Symbol_table): Update declarations.
12151         * Makefile.am (CCFILES): Add cref.cc.
12152         (HFILES): Add cref.h.
12153         * Makefile.in: Rebuild.
12154
12155 2008-07-22  Simon Baldwin  <simonb@google.com>
12156
12157         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12158         to zero when writing undefined symbols.
12159
12160 2008-07-22  Ian Lance Taylor  <iant@google.com>
12161
12162         * output.cc (Output_section::add_input_section): Don't try to
12163         merge empty merge sections.
12164
12165 2008-07-21  Craig Silverstein  <csilvers@google.com>
12166
12167         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12168         Include symbol version in error message.
12169
12170 2008-07-20  Chris Demetriou  <cgd@google.com>
12171
12172         * configure.ac (gold_cv_c_random_seed): New configured variable.
12173         (RANDOM_SEED_CFLAGS): New substituted variable.
12174         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12175         * configure: Rebuild.
12176         * Makefile.in: Likewise.
12177         * testsuite/Makefile.in: Likewise.
12178
12179 2008-07-18  Ian Lance Taylor  <iant@google.com>
12180
12181         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12182         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12183         * testsuite/ver_test_main.cc (main): Call t4.
12184         (t4, t4_2a): Define.
12185         * testsuite/ver_test_2.cc (t4_2): Define.
12186         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12187         * testsuite/ver_test_4.cc (t4_2a): Define.
12188         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12189         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12190
12191 2008-07-17  Ian Lance Taylor  <iant@google.com>
12192
12193         * dynobj.cc (Versions::add_def): If we give an error about a
12194         missing version, go ahead and create the version anyhow.
12195
12196 2008-07-10  Ian Lance Taylor  <iant@google.com>
12197
12198         Handle output sections with more than 0x7fffffff bytes.
12199         * object.h (class Relobj): Change map_to_output_ to
12200         output_sections_, and just keep a section pointer.  Change all
12201         uses.  Move comdat group support to Sized_relobj.
12202         (Relobj::is_section_specially_mapped): Remove.
12203         (Relobj::output_section): Remove poff parameter.  Change all
12204         callers.
12205         (Relobj::output_section_offset): New function.
12206         (Relobj::set_section_offset): Rewrite.
12207         (Relobj::map_to_output): Remove.
12208         (Relobj::output_sections): New function.
12209         (Relobj::do_output_section_offset): New pure virtual function.
12210         (Relobj::do_set_section_offset): Likewise.
12211         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12212         group support from Relobj.  Update declarations.
12213         (Sized_relobj::get_output_section_offset): New function.
12214         (Sized_relobj::do_output_section_offset): New function.
12215         (Sized_relobj::do_set_section_offset): New function.
12216         * object.cc (Relobj::output_section_address): Remove.
12217         (Sized_relobj::Sized_relobj): Initialize new fields.
12218         (Sized_relobj::include_section_group): Cast find_kept_object to
12219         Sized_relobj.
12220         (Sized_relobj::include_linkonce_section): Likewise.
12221         (Sized_relobj::do_layout): Use separate arrays for output section
12222         and output offset.
12223         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12224         output_sections.
12225         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12226         output_sections and section_offsets.
12227         (Sized_relobj::write_local_symbols): Likewise.
12228         (map_to_kept_section): Compute output address directly.
12229         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12230         output_sections and section_offsets.
12231         (Sized_relobj::write_sections): Likewise.
12232         (Sized_relobj::relocate_sections): Likewise.
12233         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12234         * output.h (class Output_reloc): Update declarations.  Change
12235         u2_.relobj to Sized_relobj*.
12236         (class Output_data_reloc): Change add functions to use
12237         Sized_relobj*.
12238         * output.cc (Output_reloc::Output_reloc): Change relobj to
12239         Sized_relobj*.
12240         (Output_reloc::local_section_offset): Change return type to
12241         Elf_Addr.  Use get_output_section_offset.
12242         (Output_reloc::get_address): Likewise.
12243         (Output_section::is_input_address_mapped): Don't call
12244         is_section_specially_mapped.
12245         (Output_section::output_offset): Likewise.
12246         (Output_section::output_address): Likewise.
12247         (Output_section::starting_output_address): Likewise.
12248         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12249         parameter to Sized_relobj*.
12250         (Copy_relocs::need_copy_reloc): Likewise.
12251         (Copy_relocs::save): Likewise.
12252         * copy-relocs.h (class Copy_relocs): Update declarations.
12253         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12254         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12255         * target-reloc.h (relocate_for_relocatable): Change
12256         offset_in_output_section type to Elf_Addr.  Change code that uses
12257         it as well.
12258         * layout.cc (Layout::layout): Always set *off.
12259         * mapfile.cc (Mapfile::print_input_section): Use
12260         output_section_offset.
12261         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12262         Sized_relobj*.
12263         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12264         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12265         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12266
12267 2008-07-03  Ian Lance Taylor  <iant@google.com>
12268
12269         * layout.cc (Layout::include_section): Do not discard unrecognized
12270         SHT_STRTAB sections.
12271
12272 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12273
12274         * script.cc (Lex::can_continue_name): Make '?' allowable in
12275         version-script names.
12276         * testsuite/version_script.map: Change glob pattern to use '?'
12277
12278 2008-06-30  Manish Singh  <yosh@gimp.org>
12279
12280         PR 6585
12281         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12282         Correct typo.
12283
12284 2008-06-30  Ian Lance Taylor  <iant@google.com>
12285
12286         PR 6660
12287         PR 6682
12288         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12289         versions]: Don't try to read the value in the contents, since we
12290         don't use it.  Use the template endianness when writing.
12291
12292 2008-06-25  Cary Coutant  <ccoutant@google.com>
12293
12294         * fileread.cc (File_read::make_view): Assert on zero-length view.
12295         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12296         symbol table when there are no symbols to read.
12297
12298 2008-06-23  Craig Silverstein  <csilvers@google.com>
12299
12300         * version.cc (version_string): Bump to 1.7
12301
12302 2008-06-18  Craig Silverstein  <csilvers@google.com>
12303
12304         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12305         constant 0xFFFF to type Valtype.
12306         (Powerpc_relocate_functions::rel16_ha): Likewise.
12307
12308 2008-06-17  Ian Lance Taylor  <iant@google.com>
12309
12310         * output.h (Output_section::Input_section): Initialize p2align_ to
12311         zero for Output_section_data constructors.
12312         (Output_section::Input_section::addralign): If not an input
12313         section, return the alignment of the Output_section_data.
12314         * testsuite/copy_test.cc: New file.
12315         * testsuite/copy_test_1.cc: New file.
12316         * testsuite/copy_test_2.cc: New file.
12317         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12318         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12319         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12320         (copy_test_1_pic.o, copy_test_1.so): New targets.
12321         (copy_test_2_pic.o, copy_test_2.so): New targets.
12322         * testsuite/Makefile.in: Rebuild.
12323
12324         * script-sections.cc (Script_sections::place_orphan): Initialize
12325         local variable exact.
12326
12327 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12328
12329         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12330
12331 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12332             David S. Miller  <davem@davemloft.net>
12333
12334         * powerpc.cc: New file.
12335         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12336         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12337         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12338         * Makefile.in: Rebuild.
12339
12340 2008-06-09  Ian Lance Taylor  <iant@google.com>
12341
12342         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12343         <exception>.
12344         (throwing, orig_terminate): New static variables.
12345         (terminate_handler): New static function.
12346         (t2): Set terminate handler.
12347
12348 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12349
12350         PR 6584
12351         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12352         alignment.
12353
12354 2008-05-30  Cary Coutant  <ccoutant@google.com>
12355
12356         * archive.cc (Archive::include_all_members) Correct to step
12357         over symbol table and extended name table in thin archives.
12358
12359 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12360
12361         PR 6407
12362         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12363         calculation.
12364
12365 2008-05-28  Caleb Howe  <cshowe@google.com>
12366
12367         * reduced_debug_output.cc: New file.
12368         * reduced_debug_output.h: New file.
12369         * options.h (class General_options): Add --strip-debug-non-line.
12370         * options.cc (General_options::finalize): Add strip_debug_non_line
12371         to the strip heirarchy.
12372         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12373         fields.
12374         * layout.cc: Include "reduced_debug_output.h".
12375         (Layout::Layout): Initialize new fields.
12376         (line_only_debug_sections): New static array.
12377         (is_lines_only_debug_sections): New static inline function.
12378         (Layout::include_section): Handle --strip-debug-non-line.
12379         (Layout::make_output_section): If --strip-debug-non-line, build
12380         new output sections for .debug_abbrev and .debug_info.
12381         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12382         gold.  Warn about possible overflow.
12383         (read_signed_LEB_128): Likewise.
12384         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12385         (read_signed_LEB_128): Declare.
12386         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12387         (HFILES): Add reduced_debug_output.h.
12388         * Makefile.in: Rebuild.
12389
12390 2008-05-21  Ian Lance Taylor  <iant@google.com>
12391
12392         * mapfile.cc: New file.
12393         * mapfile.h: New file.
12394         * options.h (class General_options): Add -M/--print-map and -Map.
12395         * options.cc (General_options::finalize): Make -M equivalent to
12396         -Map -.
12397         * main.cc: Include <cstdio> and "mapfile.h".
12398         (main): Open mapfile if requested.
12399         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12400         constructor.  Change caller.
12401         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12402         (queue_middle_tasks): Likewise.
12403         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12404         declarations.
12405         * archive.cc: Include "mapfile.h".
12406         (Archive::add_symbols): Add mapfile parameter.  Change all
12407         callers.  Pass mapfile, symbol, and reason to include_member.
12408         (Archive::include_all_members): Add mapfile parameter.  Change all
12409         callers.
12410         (Archive::include_member): Add mapfile, sym, and why parameters.
12411         Change all callers.  Report inclusion to map file.
12412         * archive.h: Include "fileread.h".
12413         (class Archive): Update declarations.
12414         (Archive::file): New const method.
12415         (class Add_archive_symbols): Add mapfile_ field.  Update
12416         constructor.  Change all callers.
12417         * readsyms.h (class Read_symbols): Likewise.
12418         (class Finish_group): Likewise.
12419         (class Read_script): Likewise.
12420         * common.cc: Include "mapfile.h".
12421         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12422         all callers.
12423         (Symbol_table::do_allocate_commons): Likewise.
12424         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12425         symbol allocation to mapfile.
12426         * common.h (class Allocate_commons_task): Add mapfile_ field.
12427         Update constructor.  Change all callers.
12428         * symtab.h (class Symbol_table): Update declarations.
12429         * layout.cc: Include "mapfile.h".
12430         (Layout_task_runner::run): Print information to mapfile.
12431         (Layout::create_gold_note): Change Output_data_fixed_space to
12432         Output_data_zero_fill.
12433         (Layout::create_build_id): Likewise.
12434         (Layout::print_to_mapfile): New function.
12435         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12436         constructor.  Change caller.
12437         (class Layout): Declare print_to_mapfile.
12438         * output.cc (Output_section::Input_section::print_to_mapfile): New
12439         function.
12440         (Output_section::add_input_section): If producing a map, always
12441         add to input_sections_ list.
12442         (Output_section::do_print_to_mapfile): New function.
12443         (Output_segment::print_sections_to_mapfile): New function.
12444         (Output_segment::print_section_list_to_mapfile): New function.
12445         * output.h: Include "mapfile.h".
12446         (Output_data::print_to_mapfile): New function.
12447         (Output_data::do_print_to_mapfile): New virtual function.
12448         (Output_segment_headers::do_print_to_mapfile): New function.
12449         (Output_file_header::do_print_to_mapfile): New function.
12450         (Output_data_const::do_print_to_mapfile): New function.
12451         (class Output_data_const_buffer): Add map_name_ field.  Update
12452         constructor.  Change all callers.  Add do_print_to_mapfile
12453         function.
12454         (class Output_data_fixed_space): Likewise.
12455         (class Output_data_space): Likewise.
12456         (class Output_data_zero_fill): New class.
12457         (Output_data_strtab::do_print_to_mapfile): New function.
12458         (Output_data_reloc_base::do_print_to_mapfile): New function.
12459         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12460         (Output_data_group::do_print_to_mapfile): New function.
12461         (Output_data_got::do_print_to_mapfile): New function.
12462         (Output_data_dynamic::do_print_to_mapfile): New function.
12463         (Output_symtab_xindex::do_print_to_mapfile): New function.
12464         (class Output_section): Declare do_print_to_mapflie.  Declare
12465         print_to_mapfile in Input_section.
12466         (class Output_segment): Declare new functions.
12467         * object.h (Sized_relobj::symbol_count): New function.
12468         * script-sections.cc
12469         (Output_section_element_dot_assignment::set_section_addresses):
12470         Change Output_data_fixed_space to Output_data_zero_fill.
12471         (Output_data_expression::do_print_to_mapfile): New function.
12472         * script.cc (read_input_script): Add mapfile parameter.  Change
12473         all callers.
12474         * script.h (read_input_script): Update declaration.
12475         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12476         (Eh_frame::do_print_to_mapfile): New function.
12477         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12478         (Output_merge_string::do_print_to_mapfile): New function.
12479         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12480         function.
12481         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12482         function.
12483         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12484         function.
12485         * Makefile.am (CCFILES): Add mapfile.cc.
12486         (HFILES): Add mapfile.h.
12487         * Makefile.in: Rebuild.
12488
12489 2008-05-19  Ian Lance Taylor  <iant@google.com>
12490
12491         * options.h (class General_options): Add -z relro.
12492         * layout.cc (Layout::Layout): Initialize relro_segment_.
12493         (Layout::add_output_section_data): Return the output section.
12494         (Layout::make_output_section): Rcognize relro sections and mark
12495         them appropriately.
12496         (Layout::attach_allocated_section_to_segment): Put relro sections
12497         in a PT_GNU_RELRO segment.
12498         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12499         section as relro.
12500         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12501         PT_TLS segments.
12502         (Layout::linkonce_mapping): Map d.rel.ro.local to
12503         .data.rel.ro.local.
12504         (Layout::output_section_name): Us .data.rel.ro.local for any
12505         section which begins with that.
12506         * layout.h (class Layout): Update add_output_section_data
12507         declaration.  Add relro_segment_ field.
12508         * output.cc (Output_section::Output_section): Initialize is_relro_
12509         and is_relro_local_ fields.
12510         (Output_segment::add_output_section): Group relro sections.
12511         (Output_segment::is_first_section_relro): New function.
12512         (Output_segment::maximum_alignment): If there is a relro section,
12513         align the segment to the common page size.
12514         (Output_segment::set_section_addresses): Track whether we are
12515         looking at relro sections.  If the last section is a relro
12516         section, align to the common page size.
12517         (Output_segment::set_section_list_addresses): Add in_relro
12518         parameter.  Change all callers.  Align to the page size when
12519         moving from relro to non-relro section.
12520         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12521         segment.
12522         * output.h (class Output_section): Add is_relro_ and
12523         is_relro_local_ fields.
12524         (Output_section::is_relro): New function.
12525         (Output_section::set_is_relro): New function.
12526         (Output_section::is_relro_local): New function.
12527         (Output_section::set_is_relro_local): New function.
12528         (class Output_segment): Update declarations.
12529         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12530         * sparc.cc (Target_sparc::got_section): Likewise.
12531         * x86_64.cc (Target_x86_64::got_section): Likewise.
12532         * testsuite/relro_test_main.cc: New file.
12533         * testsuite/relro_test.cc: New file.
12534         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12535         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12536         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12537         (relro_test.so, relro_test_pic.o): New targets.
12538         * testsuite/Makefile.in: Rebuild.
12539
12540 2008-05-16  Ian Lance Taylor  <iant@google.com>
12541
12542         * output.cc (Output_segment::add_output_section): Remove front
12543         parameter.
12544         * output.h (class Output_segment): Remove
12545         add_initial_output_section and overloaded add_output_section.
12546         Update declaration of remaining add_output_section.
12547         * layout.cc (Layout::create_interp): Call add_output_section
12548         rather than add_initial_output_section.
12549         (Layout::finish_dynamic_section): Likewise.
12550
12551         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12552         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12553         know the dynamic type.
12554         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12555         field.  Initialize it in constructor.
12556         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12557         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12558         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12559         reloc.
12560
12561         * output.cc (Output_reloc::get_address): Change return type to
12562         Elf_Addr.
12563         * output.h (class Output_reloc): Update get_address declaration.
12564         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12565         for section addresses.
12566
12567 2008-05-09  Ian Lance Taylor  <iant@google.com>
12568
12569         PR 6493
12570         * gold.cc (gold_nomem): Use return value of write.
12571
12572 2008-05-08  Ian Lance Taylor  <iant@google.com>
12573
12574         * symtab.c (Symbol::init_base_output_data): Add version
12575         parameter.  Change all callers.
12576         (Symbol::init_base_output_segment): Likewise.
12577         (Symbol::init_base_constant): Likewise.
12578         (Symbol::init_base_undefined): Likewise.
12579         (Sized_symbol::init_output_data): Likewise.
12580         (Sized_symbol::init_output_segment): Likewise.
12581         (Sized_symbol::init_constant): Likewise.
12582         (Sized_symbol::init_undefined): Likewise.
12583         (Symbol_table::do_define_in_output_data): If the new symbol has a
12584         version, mark it as the default.
12585         (Symbol_table::do_define_in_output_segment): Likewise.
12586         (Symbol_table::do_define_as_constant): Likewise.
12587         * symtab.h (class Symbol): Update declarations.
12588         (class Sized_symbol): Likewise.
12589         * resolve.cc (Symbol::override_version): New function.
12590         (Symbol::override_base): Call override_version.
12591         (Symbol::override_base_with_special): Likewise.
12592         * testsuite/ver_script_8.script: New file.
12593         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12594         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12595         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12596         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12597
12598 2008-05-06  Ian Lance Taylor  <iant@google.com>
12599
12600         PR 6049
12601         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12602         functions.
12603         (class General_options): Remove existing --undefined, and add
12604         --no-undefined instead.  Add new --undefined as synonym for -u.
12605         * archive.cc (Archive::add_symbols): Check whether symbol was
12606         named with -u.
12607         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12608         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12609         all uses.  Add IS_UNDEFINED.  Update declarations to split
12610         different versions of init_base.  Declare init_base_undefined.
12611         (Symbol::is_defined): Handle IS_UNDEFINED.
12612         (Symbol::is_undefined): Likewise.
12613         (Symbol::is_weak_undefined): Call is_undefined.
12614         (Symbol::is_absolute): Handle IS_CONSTANT.
12615         (class Sized_symbol): Update declarations to split different
12616         versions of init.  Declare init_undefined.
12617         (class Symbol_table): Declare new functions.
12618         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12619         Change all callers.
12620         (Symbol::init_base_output_data): Likewise.
12621         (Symbol::init_base_output_segment): Likewise.
12622         (Symbol::init_base_constant): Likewise.
12623         (Symbol::init_base_undefined): New function.
12624         (Sized_symbol::init_object): Rename from init.  Change all
12625         callers.
12626         (Sized_symbol::init_output_data): Likewise.
12627         (Sized_symbol::init_output_segment): Likewise.
12628         (Sized_symbol::init_constant): Likewise.
12629         (Sized_symbol::init_undefined): New function.
12630         (Symbol_table::add_undefined_symbols_from_command_line): New
12631         function.
12632         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12633         function.
12634         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12635         (Symbol::output_section): Likewise.
12636         (Symbol::set_output_section): Likewise.
12637         (Symbol_table::sized_finalize_symbol): Likewise.
12638         (Symbol_table::sized_write_globals): Likewise.
12639         * resolve.cc (Symbol_table::should_override): Likewise.
12640         (Symbol::override_base_with_special): Likewise.
12641
12642         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12643         symbol, change it to have default visibility.
12644         * testsuite/protected_1.cc: New file.
12645         * testsuite/protected_2.cc: New file.
12646         * testsuite/protected_3.cc: New file.
12647         * testsuite/protected_main_1.cc: New file.
12648         * testsuite/protected_main_2.cc: New file.
12649         * testsuite/protected_main_3.cc: New file.
12650         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12651         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12652         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12653         (protected_1.so): New target.
12654         (protected_1_pic.o, protected_2_pic.o): New targets.
12655         (protected_3_pic.o): New target.
12656         (check_PROGRAMS): Add protected_2.
12657         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12658         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12659         * testsuite/Makefile.in: Rebuild.
12660
12661         * options.h (DEFINE_var): Add set_user_set_##varname__.
12662         (DEFINE_bool_alias): New macro.
12663         (class General_options): Define -Bstatic using DEFINE_bool_alias
12664         rather than DEFINE_special.  Add --undefined as an alias for -z
12665         defs.
12666         * options.cc (General_options::parse_Bstatic): Remove.
12667
12668         * options.h (class General_options): Add --fatal-warnings.
12669         * main.cc (main): Implement --fatal-warnings.
12670         * errors.h (Errors::warning_count): New function.
12671
12672         * options.h (class General_options): Add -Bsymbolic-functions.
12673         * symtab.h (Symbol::is_preemptible): Check for
12674         -Bsymbolic-functions.
12675
12676 2008-05-05  Ian Lance Taylor  <iant@google.com>
12677
12678         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12679         as noVARNAME rather than no-VARNAME.
12680         (class General_options): Add option -z combreloc.
12681         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12682         get_address.
12683         (Output_reloc::sort_before) [SHT_REL]: New function.
12684         (Output_reloc::sort_before) [SHT_RELA]: New function.
12685         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12686         Sort_relocs_comparison.
12687         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12688         parameter.  Change all callers.
12689         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12690         sort_relocs parameter.  Change all callers.
12691         * output.cc (Output_reloc::get_address): New function, broken out
12692         of write_rel.
12693         (Output_reloc::write_rel): Call it.
12694         (Output_reloc::compare): New function.
12695         (Output_data_reloc_base::do_write): Optionally sort relocs.
12696
12697         * configure.ac: If targ_extra_obj is set, link it in.
12698         * configure.tgt: Initialize all variables.
12699         (x86_64*): Set targ_extra_obj and targ_extra_size.
12700         * configure: Rebuild.
12701
12702         * object.cc (Sized_relobj::include_section_group): Adjust section
12703         indexes read from group data.  Build vector to pass to
12704         layout_group.
12705         * layout.cc (Layout::layout_group): Add flags and shndxes
12706         parameters.  Remove contents parameter.  Change caller.  Update
12707         explicit instantiations.
12708         * layout.h (class Layout): Update layout_group declaration.
12709         * output.cc (Output_data_group::Output_data_group): Add flags and
12710         input_shndxes parameters.  Remove contents parameter.  Change
12711         caller.
12712         (Output_data_group::do_write): Change input_sections_ to
12713         input_shndxes_.
12714         * output.h (class Output_data_group): Update constructor
12715         declaration.  Rename input_sections_ to input_shndxes_.
12716         * testsuite/many_sections_test.cc: Add template.
12717
12718 2008-04-30  Cary Coutant  <ccoutant@google.com>
12719
12720         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12721
12722         * layout.cc (Layout::include_section): Refactored check for debug
12723         info section.
12724         (Layout::add_comdat): Add new parameters.  Change type
12725         of signature parameter.  Add object and shndx to signatures table.
12726         (Layout::find_kept_object): New function.
12727         * layout.h: Include <cstring>.
12728         (Layout::is_debug_info_section): New function.
12729         (Layout::add_comdat): Add new parameters.
12730         (Layout::find_kept_object): New function.
12731         (Layout::Kept_section): New struct.
12732         (Layout::Signatures): Change type of map range.
12733         * object.cc (Relobj::output_section_address): New function.
12734         (Sized_relobj::include_section_group): Add new parameters.  Change
12735         calls to Layout::add_comdat.  Change to build table of kept comdat
12736         groups and table mapping discarded sections to kept sections.
12737         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12738         (Sized_relobj::do_layout): Change calls to include_section_group and
12739         include_linkonce_section.
12740         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12741         value to zero when section is discarded.
12742         (Sized_relobj::map_to_kept_section): New function.
12743         * object.h (Relobj::output_section_address): New function.
12744         (Relobj::Comdat_group): New type.
12745         (Relobj::find_comdat_group): New function.
12746         (Relobj::Comdat_group_table): New type.
12747         (Relobj::Kept_comdat_section): New type.
12748         (Relobj::Kept_comdat_section_table): New type.
12749         (Relobj::add_comdat_group): New function.
12750         (Relobj::set_kept_comdat_section): New function.
12751         (Relobj::get_kept_comdat_section): New function.
12752         (Relobj::comdat_groups_): New field.
12753         (Relobj::kept_comdat_sections_): New field.
12754         (Symbol_value::input_value): Update comment.
12755         (Sized_relobj::map_to_kept_section) New function.
12756         (Sized_relobj::include_linkonce_section): Add new parameter.
12757         * target-reloc.h (Comdat_behavior): New type.
12758         (get_comdat_behavior): New function.
12759         (relocate_section): Add code to map a discarded section to the
12760         corresponding kept section when applying a relocation.
12761
12762 2008-04-30  Craig Silverstein  <csilvers@google.com>
12763
12764         * dwarf_reader.cc (next_generation_count): New static var.
12765         (Addr2line_cache_entry): New struct.
12766         (addr2line_cache): New static var.
12767         (Dwarf_line_info::one_addr2line): Added caching.
12768         (Dwarf_line_info::clear_addr2line_cache): New function.
12769         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12770         cache-size parameter.
12771         (Dwarf_line_info::one_addr2line_cache): New function.
12772         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12773         new cache-size argument to one_addr2line(), and clear cache.
12774
12775 2008-04-28  Cary Coutant  <ccoutant@google.com>
12776
12777         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12778         R_386_PC8 relocations.
12779
12780 2008-04-23  Ian Lance Taylor  <iant@google.com>
12781
12782         * object.cc (Sized_relobj::include_section_group): Check for
12783         invalid section group.
12784
12785         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12786         header size.
12787
12788         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12789         than read for file header.
12790         * archive.cc (Archive::include_member): Likewise.
12791
12792 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12793
12794         * aclocal.m4: Regenerate.
12795         * configure: Regenerate.
12796
12797 2008-04-19  Ian Lance Taylor  <iant@google.com>
12798
12799         * version.cc (version_string): Bump to 1.6.
12800
12801         * testsuite/Makefile.am (many_sections_r_test): New target.
12802         (many_sections_r_test_SOURCES): Remove.
12803         (many_sections_r_test_DEPENDENCIES): Remove.
12804         (many_sections_r_test_LDFLAGS): Remove.
12805         (many_sections_r_test_LDADD): Remove.
12806
12807         * object.cc (Sized_relobj::do_add_symbols): Always pass
12808         local_symbol_count_ to add_from_relobj.
12809
12810         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12811         every thousand variables.
12812         * testsuite/Makefile.in: Rebuild.
12813
12814         * object.cc (Xindex::initialize_symtab_xindex): New function.
12815         (Xindex::read_symtab_xindex): New function.
12816         (Xindex::sym_xindex_to_shndx): New function.
12817         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12818         available.
12819         (Sized_relobj::do_initialize_xindex): New function.
12820         (Sized_relobj::do_read_symbols): Adjust section links.
12821         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12822         parameter.  Change all callers.
12823         (Sized_relobj::include_section_group): Adjust section links and
12824         symbol section indexes.
12825         (Sized_relobj::do_layout): Adjust section links.
12826         (Sized_relobj::do_count_local_symbols): Adjust section links and
12827         symbol section indexes.
12828         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12829         ordinary and special symbols.
12830         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12831         dynsym_xindex parameters.  Change all callers.  Adjust section
12832         links.  Use SHN_XINDEX when needed.
12833         (Sized_relobj::get_symbol_location_info): Adjust section links.
12834         Don't get fooled by special symbols.
12835         * object.h (class Xindex): Define.
12836         (class Object): Add xindex_ parameter.  Declare virtual functoin
12837         do_initialize_xindex.
12838         (Object::adjust_sym_shndx): New function.
12839         (Object::set_xindex): New protected function.
12840         (class Symbol_value): Add is_ordinary_shndx_ field.
12841         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12842         (Symbol_value::value): Assert ordinary section.
12843         (Symbol_value::initialize_input_to_output_map): Likewise.
12844         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12845         Change all callers.
12846         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12847         all callers.
12848         (class Sized_relobj): Update declarations.
12849         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12850         parameter.  Change all callers.
12851         (Sized_relobj::adjust_shndx): New function.
12852         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12853         field.
12854         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12855         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12856         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12857         (Sized_dynobj::read_dynsym_section): Adjust section links.
12858         (Sized_dynobj::read_dynamic): Likewise.
12859         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12860         section links.
12861         (Sized_dynobj::do_initialize_xindex): New function.
12862         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12863         do_initialize_xindex.
12864         (Sized_dynobj::adjust_shndx): New function.
12865         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12866         dynsym_xindex_ fields.
12867         (Layout::finalize): Add a call to set_section_indexes before
12868         creating the symtab sections.
12869         (Layout::set_section_indexes): Don't do anything if the section
12870         already has a section index.
12871         (Layout::create_symtab_sections): Add shnum parameter.  Change
12872         caller.  Create .symtab_shndx section if needed.
12873         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12874         caller.
12875         (Layout::allocated_output_section_count): New function.
12876         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12877         needed.
12878         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12879         fields.  Update declarations.
12880         (Layout::symtab_xindex): New function.
12881         (Layout::dynsym_xindex): New function.
12882         (class Write_symbols_task): Add layout_ field.
12883         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12884         Change caller.
12885         * output.cc (Output_section_headers::Output_section_headers): Add
12886         shstrtab_section parameter.  Change all callers.
12887         (Output_section_headers::do_sized_write): Store overflow values
12888         for section count and section string table section index in
12889         section header zero.
12890         (Output_file_header::do_sized_write): Check for overflow of
12891         section count and section string table section index.
12892         (Output_symtab_xindex::do_write): New function.
12893         (Output_symtab_xindex::endian_do_write): New function.
12894         * output.h (class Output_section_headers): Add shstrtab_section_.
12895         Update declarations.
12896         (class Output_symtab_xindex): Define.
12897         (Output_section::has_out_shndx): New function.
12898         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12899         field.
12900         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12901         Change all callers.
12902         (Sized_symbol::init): Likewise.
12903         (Symbol::output_section): Check for ordinary symbol.
12904         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12905         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12906         callers.
12907         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12908         Change all callers.  Simplify handling of symbols from sections
12909         not included in the link.
12910         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12911         distinction.
12912         (Weak_alias_sorter::operator()): Assert that symbols are
12913         ordinary.
12914         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12915         distinction.
12916         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12917         parameters.  Change all callers.
12918         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12919         symbol distinction.  Use SHN_XINDEX when needed.
12920         (Symbol_table::write_section_symbol): Add symtab_xindex
12921         parameter.  Change all callers.
12922         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12923         SHN_XINDEX when needed.
12924         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12925         declarations.
12926         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12927         (Symbol::is_defined): Check is_ordinary.
12928         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12929         (Symbol::is_absolute, Symbol::is_common): Likewise.
12930         (class Sized_symbol): Update declarations.
12931         (class Symbol_table): Update declarations.
12932         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12933         parameters.  Change all callers.
12934         (Sized_symbol::override): Likewise.
12935         (Symbol_table::override): Likewise.
12936         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12937         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12938         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12939         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12940         to be in an ordinary section.
12941         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12942         object and is_ordinary parameters.  Change all callers.
12943         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12944         Change all callers.  Don't add undefined or non-ordinary symbols
12945         to reloc_map_.
12946         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12947         Change all callers.
12948         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12949         declarations.
12950         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12951         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12952         (Sized_relobj::relocate_sections): Likewise.
12953         * target-reloc.h (scan_relocs): Adjust section symbol index.
12954         (scan_relocatable_relocs): Likewise.
12955         * i386.cc (Scan::local): Check for ordinary symbols.
12956         * sparc.cc (Scan::local): Likewise.
12957         * x86_64.cc (Scan::local): Likewise.
12958         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12959         to symbol_section_and_value.
12960         * testsuite/many_sections_test.cc: New file.
12961         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12962         (check_PROGRAMS): Add many_sections_test.
12963         (many_sections_test_SOURCES): Define.
12964         (many_sections_test_DEPENDENCIES): Define.
12965         (many_sections_test_LDFLAGS): Define.
12966         (BUILT_SOURCES): Add many_sections_define.h.
12967         (many_sections_define.h): New target.
12968         (BUILT_SOURCES): Add many_sections_check.h.
12969         (many_sections_check.h): New target.
12970         (check_PROGRAMS): Add many_sections_r_test.
12971         (many_sections_r_test_SOURCES): Define.
12972         (many_sections_r_test_DEPENDENCIES): Define.
12973         (many_sections_r_test_LDFLAGS): Define.
12974         (many_sections_r_test_LDADD): Define.
12975         (many_sections_r_test.o): New target.
12976         * testsuite/Makefile.in: Rebuild.
12977
12978 2008-04-17  Cary Coutant  <ccoutant@google.com>
12979
12980         * errors.cc (Errors::info): New function.
12981         (gold_info): New function.
12982         * errors.h (Errors::info): New function.
12983         * gold.h (gold_info): New function.
12984         * object.cc (Input_objects::add_object): Print trace output.
12985         * options.cc (options::parse_set): New function.
12986         (General_options::parse_wrap): Deleted.
12987         (General_options::General_options): Deleted initializer.
12988         * options.h (options::String_set): New typedef.
12989         (options::parse_set): New function.
12990         (DEFINE_set): New macro.
12991         (General_options::wrap): Changed to use DEFINE_set. Changed
12992         callers of any_wrap_symbols and is_wrap_symbol.
12993         (General_options::trace, General_options::trace_symbol):
12994         New options.
12995         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12996         (General_options::wrap_symbols_): Deleted.
12997         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12998
12999 2008-04-17  David S. Miller  <davem@davemloft.net>
13000
13001         * options.cc (General_options::parse_V): New function.
13002         * options.h: Add entries for -V and -Qy.
13003
13004 2008-04-17  Ian Lance Taylor  <iant@google.com>
13005
13006         * common.cc (Symbol_table::allocate_commons): Remove options
13007         parameter.  Change caller.
13008         (Symbol_table::do_allocate_commons): Remove options parameter.
13009         Change caller.  Just call do_allocate_commons_list twice.
13010         (Symbol_table::do_allocate_commons_list): New function, broken out
13011         of do_allocate_commons.
13012         * common.h (class Allocate_commons_task): Remove options_ field.
13013         Update constructor.
13014         * symtab.cc (Symbol_table::Symbol_table): Initialize
13015         tls_commons_.
13016         (Symbol_table::add_from_object): Put TLS common symbols on
13017         tls_commons_ list.
13018         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13019         which are IN_OUTPUT_DATA.
13020         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13021         allocate_commons and do_allocate_commons declarations.  Declare
13022         do_allocate_commons_list.
13023         * gold.cc (queue_middle_tasks): Update creation of
13024         Allocate_commons_task to not pass options.
13025         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13026         (TLS_TEST_C_FLAGS): New variable.
13027         (tls_test_c_pic.o): New target.
13028         (tls_test_shared.so): Link in tls_test_c_pic.o.
13029         (tls_test_c_pic_ie.o): New target.
13030         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13031         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13032         (tls_test_c.o): New target.
13033         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13034         (tls_pic_test_LDADD): Likewise.
13035         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13036         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13037         (tls_test_c_gnu2.o): New target.
13038         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13039         tls_test_c_gnu2.o.
13040         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13041         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13042         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13043         * testsuite/tls_test.cc: Include "config.h".
13044         (t_last): Call t11_last.
13045         * testsuite/tls_test.h (t11, t11_last): Declare.
13046         * testsuite/tls_test_c.c: New file.
13047         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13048         * configure.ac: Check for OpenMP support.
13049         * configure, config.in, Makefile.in: Rebuild.
13050         * testsuite/Makefile.in: Rebuild.
13051
13052 2008-04-16  Cary Coutant  <ccoutant@google.com>
13053
13054         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13055         (Target_i386::tls_base_symbol_defined_): New field.
13056         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13057         (Target_i386::Scan::global): Likewise.
13058         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13059         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13060         (Target_x86_64::tls_base_symbol_defined_): New field.
13061         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13062         (Target_x86_64::Scan::global): Likewise.
13063
13064 2008-04-16  Cary Coutant  <ccoutant@google.com>
13065
13066         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13067         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13068         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13069         building shared libraries.
13070         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13071         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13072         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13073         * testsuite/Makefile.in: Rebuild.
13074         * testsuite/weak_undef.h: New file.
13075         * testsuite/weak_undef_file1.cc: Add extra test cases.
13076         * testsuite/weak_undef_file2.cc: Likewise.
13077         * testsuite/weak_undef_test.cc: Likewise.
13078
13079 2008-04-16  David S. Miller  <davem@davemloft.net>
13080
13081         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13082         Add issued_non_pic_error_ field.  Declare check_non_pic.
13083         (Target_sparc::Scan::check_non_pic): New function.
13084         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13085         (Target_sparc::Scan::global): Likewise.
13086
13087         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13088         * configure: Rebuild.
13089
13090         * options.h (DEFINE_enable): New macro.
13091         (new_dtags): New enable option.
13092         (initfirst, interpose, loadfltr, nodefaultlib,
13093         nodelete, nodlopen, nodump): New -z options.
13094         * layout.cc (Layout:finish_dynamic_section): If new
13095         dtags enabled, emit DT_RUNPATH.  Also, emit a
13096         DT_FLAGS_1 containing any specified -z flags.
13097
13098 2008-04-16  Ian Lance Taylor  <iant@google.com>
13099
13100         * copy-relocs.cc: New file.
13101         * copy-relocs.h: New file.
13102         * reloc.cc: Remove Copy_relocs code.
13103         * reloc.h: Likewise.
13104         * reloc-types.h (struct Reloc_types) [both versions]: Add
13105         get_reloc_addend_noerror.
13106         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13107         variants of add_global which take an addend which must be zero.
13108         * i386.cc: Include "copy-relocs.h".
13109         (class Target_i386): Change type of copy_relocs_ to variable,
13110         update initializer.
13111         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13112         Change all callers.
13113         (Target_i386::do_finalize_sections): Change handling of
13114         copy_relocs_.
13115         * sparc.cc: Include "copy-relocs.h".
13116         (class Target_sparc): Change type of copy_relocs_ to variable,
13117         update initializer.
13118         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13119         Change all callers.
13120         (Target_sparc::do_finalize_sections): Change handling of
13121         copy_relocs_.
13122         * x86_64.cc: Include "copy-relocs.h".
13123         (class Target_x86_64): Change type of copy_relocs_ to variable,
13124         update initializer.
13125         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13126         class.  Change all callers.
13127         (Target_x86_64::do_finalize_sections): Change handling of
13128         copy_relocs_.
13129         * Makefile.am (CCFILES): Add copy-relocs.cc.
13130         (HFILES): Add copy-relocs.h.
13131
13132         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13133
13134         * testsuite/script_test_4.sh: Permit leading zeroes.
13135
13136 2008-04-15  Ian Lance Taylor  <iant@google.com>
13137
13138         * script-sections.cc (Script_sections::create_segments): Use
13139         header_size_adjustment even when there is enough room for the
13140         headers.
13141         * testsuite/script_test_4.sh: New file.
13142         * testsuite/script_test_4.t: New file.
13143         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13144         (check_DATA): Add script_test_4.stdout.
13145         (MOSTLYCLEANFILES): Likewise.
13146         (script_test_4): New target.
13147         (script_test_4.stdout): New target.
13148         * testsuite/Makefile.in: Rebuild.
13149
13150         * sparc.cc: Add definitions for Output_data_plt_sparc class
13151         constants.
13152
13153 2008-04-14  David S. Miller  <davem@davemloft.net>
13154
13155         * sparc.cc: New file.
13156         * Makefile.am (TARGETSOURCES): Add sparc.cc
13157         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13158         * configure.tgt: Document targ_extra_size and
13159         targ_extra_big_endian.  Add entries for sparc-* and
13160         sparc64-*.
13161         * configure.ac: Handle targ_extra_size and
13162         targ_extra_big_endian.
13163         * Makefile.in: Rebuild.
13164         * configure: Likewise.
13165         * po/POTFILES.in: Likewise.
13166         * po/gold.pot: Likewise.
13167
13168 2008-04-14  Ian Lance Taylor  <iant@google.com>
13169
13170         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13171         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13172         in the name/type/flags to section mapping.  Don't call
13173         allocate_output_section.
13174         (Layout::choose_output_section): Change parameter from adjust_name
13175         to is_input_section.  Don't permit input sections after sections
13176         are attached to segments.  Don't call allocate_output_section.
13177         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13178         not write_enable_output_section.
13179         (Layout::make_output_section): Don't push to
13180         unattached_section_list_ nor call attach_to_segment.  Call
13181         attach_section_to_segment if sections are attached.
13182         (Layout::attach_sections_to_segments): New function.
13183         (Layout::attach_section_to_segment): New function.
13184         (Layout::attach_allocated_section_to_segment): Rename from
13185         attach_to_segment.  Remove flags parameter.
13186         (Layout::allocate_output_section): Remove function.
13187         (Layout::write_enable_output_section): Remove function.
13188         * layout.h (class Layout): Update for above changes.  Add new
13189         field sections_are_attached_.
13190         * output.h (Output_section::update_flags_for_input_section): New
13191         function.
13192         * output.cc (Output_section::add_input_section): Call
13193         update_flags_for_input_section.
13194         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13195
13196 2008-04-11  Cary Coutant  <ccoutant@google.com>
13197
13198         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13199         thought unnecessary.
13200         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13201
13202 2008-04-11  Ian Lance Taylor  <iant@google.com>
13203
13204         * output.h (class Output_section_data): Remove inline definition
13205         of set_addralign.
13206         * output.cc (Output_section_data::set_addralign): New function.
13207
13208 2008-04-11  Cary Coutant  <ccoutant@google.com>
13209
13210         Add support for TLS descriptors for i386 and x86_64.
13211         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13212         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13213         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13214         GOT_TYPE_TLS_DESC.
13215         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13216         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13217         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13218         relocations.
13219         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13220         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13221         Fix problem with initial-exec relocations.
13222         (Target_i386::Relocate::relocate_tls): Likewise.
13223         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13224         relaxation.
13225         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13226         support for section-plus-offset dynamic table entries.
13227         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13228         (Output_data_dynamic::Dynamic_entry): Add support for
13229         section-plus-offset dynamic table entries.
13230         (Output_data_dynamic::Classification): Likewise.
13231         (Output_data_dynamic::classification_): Renamed offset_.
13232         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13233         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13234         (Target_x86_64::make_plt_section): New function.
13235         (Target_x86_64::reserve_tlsdesc_entries): New function.
13236         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13237         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13238         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13239         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13240         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13241         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13242         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13243         add extra PLT entry for TLS descriptors.
13244         (Output_data_plt_x86_64::got_): New field.
13245         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13246         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13247         fields.
13248         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13249         descriptors.
13250         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13251         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13252         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13253         R_386_TLS_DESC_CALL relocations.
13254         (Target_x86_64::Scan::global): Likewise.
13255         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13256         for TLS descriptors.
13257         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13258         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13259         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13260         GD-to-IE relaxation.
13261         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13262         and TLS_DESCRIPTORS.
13263         * Makefile.in: Rebuild.
13264         * configure: Rebuild.
13265         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13266         (tls_test_shared2.so): New target.
13267         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13268         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13269         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13270         (tls_shared_gd_to_ie_test_LDADD): New variable.
13271         (tls_shared_gnu2_gd_to_ie_test): New target.
13272         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13273         New targets.
13274         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13275         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13276         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13277         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13278         (tls_shared_gnu2_test): New target.
13279         (tls_test_gnu2_shared.so): New target.
13280         (tls_shared_gnu2_test_SOURCES): New variable.
13281         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13282         (tls_shared_gnu2_test_LDFLAGS): New variable.
13283         (tls_shared_gnu2_test_LDADD): New variable.
13284         * testsuite/Makefile.in: Rebuild.
13285         * testsuite/Makefile.
13286
13287 2008-04-11  Ian Lance Taylor  <iant@google.com>
13288
13289         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13290         justsyms.t.
13291         * testsuite/Makefile.in: Rebuild.
13292
13293         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13294         long.
13295         * testsuite/script_test_2.cc (main): Adjust test.
13296
13297 2008-04-11  David S. Miller  <davem@davemloft.net>
13298             Ian Lance Taylor  <iant@google.com>
13299
13300         * options.h (General_options): Add entries for '-Y' and
13301         '-relax'.
13302         * options.cc (General_options:finalize): If -Y was used, add those
13303         entries to the library path instead of the default "/lib" and
13304         "/usr/lib".
13305
13306 2008-04-11  David S. Miller  <davem@davemloft.net>
13307
13308         * testsuite/justsyms.t: Start at 0x100.
13309         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13310         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13311         long.
13312         * testsuite/script_test_2.cc: Adjust string and section length
13313         checks.
13314
13315 2008-04-09  Ian Lance Taylor  <iant@google.com>
13316
13317         PR gold/5996
13318         * script-sections.cc (Sections_element::allocate_to_segment): Add
13319         orphan parameter.
13320         (Output_section_definition::allocate_to_segment): Likewise.
13321         (Orphan_output_section::allocate_to_segment): Likewise.
13322         (Script_sections::attach_sections_using_phdrs_clause): Don't
13323         propagate non-PT_LOAD segments to orphan sections.
13324         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13325         readelf rather than objdump.
13326         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13327         .interp section and PT_INTERP segment are the same size.
13328         * testsuite/Makefile.in: Rebuild.
13329
13330         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13331         aliases for symbols defined in the same object.
13332         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13333         (weak_alias_test_SOURCES): New variable.
13334         (weak_alias_test_DEPENDENCIES): New variable.
13335         (weak_alias_test_LDFLAGS): New variable.
13336         (weak_alias_test_LDADD): New variable.
13337         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13338         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13339         (weak_alias_test_3.o): New target.
13340         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13341         * testsuite/weak_alias_test_main.cc: New file.
13342         * testsuite/weak_alias_test_1.cc: New file.
13343         * testsuite/weak_alias_test_2.cc: New file.
13344         * testsuite/weak_alias_test_3.cc: New file.
13345
13346 2008-04-08  Ian Lance Taylor  <iant@google.com>
13347
13348         * options.h (class General_options): Add --noinhibit-exec option.
13349         * main.cc (main): Check --noinhibit-exec.
13350
13351         * options.h (class General_options): Define --wrap as a special
13352         option.  Add wrap_symbols_ field.
13353         (General_options::any_wrap_symbols): New function.
13354         (General_options::is_wrap_symbol): New function.
13355         * options.cc (General_options::parse_wrap): New function.
13356         (General_options::General_options): Initialize wrap_symbols_.
13357         * symtab.cc (Symbol_table::wrap_symbol): New function.
13358         (Symbol_table::add_from_object): Handle --wrap.
13359         * symtab.h (class Symbol_table): Declare wrap_symbol.
13360         * target.h (Target::wrap_char): New function.
13361         (Target::Target_info): Add wrap_char field.
13362         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13363         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13364         * testsuite/testfile.cc (Target_test::test_target_info):
13365         Likewise.
13366
13367         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13368         there is one.
13369
13370         * layout.h (class Layout): Add added_eh_frame_data_ field.
13371         * layout.cc (Layout::Layout): Initialize new field.
13372         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13373         output section until we find a section we merged successfully.
13374         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13375         that the size be non-zero.
13376
13377         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13378         qualifier.
13379
13380 2008-04-08  Craig Silverstein  <csilvers@google.com>
13381
13382         * configure.ac: Export new conditional variable HAVE_ZLIB.
13383         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13384         on HAVE_ZLIB.
13385         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13386         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13387
13388 2008-04-07  Ian Lance Taylor  <iant@google.com>
13389
13390         * version.cc (version_string): Set to "1.5".
13391
13392         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13393         Add issued_non_pic_error_ field.  Declare check_non_pic.
13394         (Target_x86_64::Scan::check_non_pic): New function.
13395         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13396         (Target_x86_64::Scan::global): Likewise.
13397
13398         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13399         addend parameter.  Change caller.  Handle merge sections.
13400         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13401         Address to Addend.  Don't add in the result of
13402         local_section_offset, pass down the addend and use the returned
13403         value.
13404         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13405         Update declarations of local_section_offset and symbol_value.
13406         * testsuite/two_file_test_1.cc (t18): New function.
13407         * testsuite/two_file_test_2.cc (f18): New function.
13408         * testsuite/two_file_test_main.cc (main): Call t18.
13409         * testsuite/two_file_test.h (t18, f18): Declare.
13410
13411         * configure.ac: Don't test for objdump, c++filt, or readelf.
13412         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13413         conditionals.
13414         (TEST_READELF): New variable.
13415         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13416         (check_PROGRAMS): Add two_file_strip_test.
13417         (two_file_strip_test): New target.
13418         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13419         (two_file_same_shared_strip_test_SOURCES): New variable.
13420         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13421         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13422         (two_file_same_shared_strip_test_LDADD): New variable.
13423         (two_file_shared_strip.so): New target.
13424         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13425         (ver_test_5.syms, ver_test_7.syms): Likewise.
13426         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13427         (strip_test_3.stdout): Use TEST_OBJDUMP.
13428         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13429
13430 2008-04-04  Cary Coutant  <ccoutant@google.com>
13431
13432         * symtab.h (Symbol::is_weak_undefined): New function.
13433         (Symbol::is_strong_undefined): New function.
13434         (Symbol::is_absolute): New function.
13435         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13436         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13437         absolute symbols.
13438         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13439         (weak_undef_test): New target.
13440         * testsuite/Makefile.in: Rebuild.
13441         * testsuite/weak_undef_file1.cc: New file.
13442         * testsuite/weak_undef_file2.cc: New file.
13443         * testsuite/weak_undef_test.cc: New file.
13444
13445 2008-04-03  Craig Silverstein  <csilvers@google.com>
13446
13447         * compressed_output.h (class Output_compressed_section): Use
13448         unsigned buffer.
13449         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13450         add zlib header.
13451         (zlib_compressed_suffix): Removed.
13452         (Output_compressed_section::set_final_data_size): Use unsigned
13453         buffers.
13454         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13455         Fix linker invocation.
13456         (flagstest_o_specialfile_and_compress_debug_sections):
13457         Likewise.
13458         * testsuite/Makefile.in: Regenerated.
13459
13460 2008-04-02  David S. Miller  <davem@davemloft.net>
13461
13462         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13463         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13464
13465 2008-04-02  Craig Silverstein  <csilvers@google.com>
13466
13467         * TODO: New file.
13468
13469 2008-04-02  Ian Lance Taylor  <iant@google.com>
13470
13471         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13472         parameters.  Update for new key type to views_.  Change all
13473         callers.
13474         (File_read::read): Adjust for byteshift in returned view.
13475         (File_read::add_view): New function, broken out of
13476         find_and_make_view.
13477         (File_read::make_view): New function, broken out of
13478         find_and_make_view.
13479         (File_read::find_or_make_view): Add offset and aligned
13480         parameters.  Rewrite accordingly.  Change all callers.
13481         (File_read::get_view): Add offset and aligned parameters.  Adjust
13482         for byteshift in return value.
13483         (File_read::get_lasting_view): Likewise.
13484         * fileread.h (class File_read): Update declarations.
13485         (class File_read::View): Add byteshift_ field.  Add byteshift to
13486         constructor.  Add byteshift method.
13487         * archive.h (Archive::clear_uncached_views): New function.
13488         (Archive::get_view): Add aligned parameter.  Change all callers.
13489         * object.h (Object::get_view): Add aligned parameter.  Change all
13490         callers.
13491         (Object::get_lasting_view): Likewise.
13492
13493         * fileread.cc (File_read::release): Don't call clear_views if
13494         there are multiple objects.
13495         * fileread.h (File_read::clear_uncached_views): New function.
13496         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13497         on the archive.
13498
13499 2008-03-31  Cary Coutant  <ccoutant@google.com>
13500
13501         Add thin archive support.
13502         * archive.cc (Archive::armagt): New const.
13503         (Archive::setup): Remove task parameter and calls to unlock.
13504         (Archive::unlock_nested_archives): New function.
13505         (Archive::read_header): Add nested_off parameter. Change
13506         all callers.
13507         (Archive::interpret_header): Likewise.
13508         (Archive::include_all_members): Change to handle thin
13509         archives.
13510         (Archive::include_member): Likewise.
13511         * archive.h (Archive::Archive): Add new parameters and
13512         initializers.
13513         (Archive::armagt): New const.
13514         (Archive::setup): Remove task parameter.
13515         (Archive::unlock_nested_archives): New function.
13516         (Archive::read_header): Add nested_off parameter.
13517         (Archive::interpret_header): Likewise.
13518         (Archive::Nested_archive_table): New typedef.
13519         (Archive::is_thin_archive_): New field.
13520         (Archive::nested_archives_): New field.
13521         (Archive::options_): New field.
13522         (Archive::dirpath_): New field.
13523         (Archive::task_): New field.
13524         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13525         for thin archives.  Pass additional parameters to
13526         Archive::Archive.  Unlock the archive file after calling
13527         Archive::setup.
13528
13529 2008-03-29  Ian Lance Taylor  <iant@google.com>
13530
13531         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13532         version symbol to be local.
13533         * testsuite/ver_test_4.sh: New file.
13534         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13535         (check_DATA): Add ver_test_4.syms.
13536         (ver_test_4.syms): New target.
13537         * testsuite/Makefile.in: Rebuild.
13538
13539         * output.cc
13540         (Output_section::Input_section_sort_entry::has_priority): New
13541         function.
13542         (Output_section::Input_section_sort_entry::match_file_name): New
13543         function.
13544         (Output_section::Input_section_sort_entry::match_section_name):
13545         Remove.
13546         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13547         Remove.
13548         (Output_section::Input_section_sort_entry::match_section_file):
13549         Remove.
13550         (Output_section::Input_section_sort_compare::operator()): Rewrite
13551         using new Input_section_sort_entry functions.  Sort crtbegin and
13552         crtend first.  Sort sections with no priority before sections with
13553         a priority.
13554         * testsuite/initpri1.c (d3): Check j != 4.
13555         (cd5): New constructor/destructor function.
13556         (main): Check j != 2.
13557
13558         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13559         new symbol when resolving, don't call set_is_default.
13560         * testsuite/ver_test_7.cc: New file.
13561         * testsuite/ver_test_7.sh: New file.
13562         * testsuite/Makefile.am (ver_test_7.so): New target.
13563         (ver_test_7.o): New target.
13564         (check_SCRIPTS): Add ver_test_7.sh.
13565         (check_DATA): Add ver_test_7.syms.
13566         (ver_test_7.syms): New target.
13567
13568 2008-03-28  Ian Lance Taylor  <iant@google.com>
13569
13570         * layout.cc (Layout::layout): If we see an input section with a
13571         name that needs sorting, set the must_sort flag for the output
13572         section.
13573         (Layout::make_output_section): If the name of the output section
13574         indicates that it might require sorting, set the may_sort flag.
13575         * output.h (Output_section::may_sort_attached_input_sections): New
13576         function.
13577         (Output_section::set_may_sort_attached_input_sections): New
13578         function.
13579         (Output_section::must_sort_attached_input_sections): New
13580         function.
13581         (Output_section::set_must_sort_attached_input_sections): New
13582         function.
13583         (class Output_section): Declare Input_section_sort_entry.  Define
13584         Input_section_sort_compare.  Declare
13585         sort_attached_input_sections.  Add new fields:
13586         may_sort_attached_input_sections_,
13587         must_sort_attached_input_sections_,
13588         attached_input_sections_are_sorted_.
13589         * output.cc (Output_section::Output_section): Initialize new
13590         fields.
13591         (Output_section::add_input_section): Add an entry to
13592         input_sections_ if may_sort or must_sort are true.
13593         (Output_section::set_final_data_size): Call
13594         sort_attached_input_sections if necessary.
13595         (Output_section::Input_section_sort_entry): Define new class.
13596         (Output_section::Input_section_sort_compare::operator()): New
13597         function.
13598         (Output_section::sort_attached_input_sections): New function.
13599         * configure.ac: Check whether the compiler supports constructor
13600         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13601         * testsuite/initpri1.c: New file.
13602         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13603         CONSTRUCTOR_PRIORITY.
13604         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13605         (initpri1_LDFLAGS): New variable.
13606         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13607
13608 2008-03-27  Ian Lance Taylor  <iant@google.com>
13609
13610         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13611         * testsuite/common_test_1.c: New file.
13612         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13613         (common_test_1_SOURCES): New variable.
13614         (common_test_1_DEPENDENCIES): New variable.
13615         (common_test_1_LDFLAGS): New variable.
13616
13617         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13618         and commons_ correctly when NAME/VERSION does not override
13619         NAME/NULL.
13620         * testsuite/ver_test_6.c: New file.
13621         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13622         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13623         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13624
13625 2008-03-26  Ian Lance Taylor  <iant@google.com>
13626
13627         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13628         of an undefined symbol from a version script.
13629         * testsuite/Makefile.am (ver_test_5.so): New target.
13630         (ver_test_5.o): New target.
13631         (check_SCRIPTS): Add ver_test_5.sh.
13632         (check_DATA): Add ver_test_5.syms.
13633         (ver_test_5.syms): New target.
13634         * testsuite/ver_test_5.cc: New file.
13635         * testsuite/ver_test_5.script: New file.
13636         * testsuite/ver_test_5.sh: New file.
13637         * Makefile.in, testsuite/Makefile.in: Rebuild.
13638
13639         PR gold/5986
13640         Fix problems building gold with gcc 4.3.0.
13641         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13642         (gold_error_at_location, gold_warning_at_location): Use it.
13643         * configure.ac: Check whether we can compile and use a template
13644         function with a printf attribute.
13645         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13646         when jumping over bytes.
13647         * object.cc: Instantiate Object::read_section_data.
13648         * debug.h: Include <cstring>
13649         * dwarf_reader.cc: Include <algorithm>
13650         * main.cc: Include <cstring>.
13651         * options.cc: Include <cstring>.
13652         * output.cc: Include <cstring>.
13653         * script.cc: Include <cstring>.
13654         * script.h: Include <string>.
13655         * symtab.cc: Include <cstring> and <algorithm>.
13656         * target-select.cc: Include <cstring>.
13657         * version.cc: Include <string>.
13658         * testsuite/testmain.cc: Include <cstdlib>.
13659         * configure, config.in: Rebuild.
13660
13661 2008-03-25  Ian Lance Taylor  <iant@google.com>
13662
13663         * options.cc: Include "../bfd/bfdver.h".
13664         (options::help): Print bug reporting address.
13665
13666         * version.cc (print_version): Adjust output for current value of
13667         BFD_VERSION_STRING.
13668
13669         * NEWS: New file.
13670
13671         * options.cc (options::help): Print list of supported targets.
13672         * target-select.h: Include <vector>.
13673         (class Target_selector): Make machine_, size_, and is_big_endian_
13674         fields const.  Add bfd_name_ and instantiated_target_ fields.
13675         (Target_selector::Target_selector): Add bfd_name parameter.
13676         (Target_selector::recognize): Make non-virtual, call
13677         do_recognize.
13678         (Target_selector::recognize_by_name): Make non-virtual, call
13679         do_recognize_by_name.
13680         (Target_selector::supported_names): New function.
13681         (Target_selector::bfd_name): New function.
13682         (Target_selector::do_instantiate_target): New pure virtual
13683         function.
13684         (Target_selector::do_recognize): New virtual function.
13685         (Target_selector::do_recognize_by_name): New virtual function.
13686         (Target_selector::instantiate_target): New private function.
13687         (supported_target_names): Declare.
13688         * target-select.cc (Target_selector::Target_selector): Update for
13689         new parameter and fields.
13690         (select_target_by_name): Check that the name matches before
13691         calling recognize_by_name.
13692         (supported_target_names): New function.
13693         * i386.cc (class Target_selector_i386): Update Target_selector
13694         constructor call.  Remove recognize and recognize_by_name.  Add
13695         do_instantiate_target.
13696         * x86_64.cc (class Target_selector_x86_64): Likewise.
13697         * testsuite/testfile.cc (class Target_selector_test): Update for
13698         changes to Target_selector.
13699
13700         * README: Rewrite, with some notes on unsupported features.
13701
13702 2008-03-24  Cary Coutant  <ccoutant@google.com>
13703
13704         * i386.cc (Target_i386::Got_type): New enum declaration.
13705         (Target_i386::Scan::local): Updated callers of Output_data_got
13706         member functions.
13707         (Target_i386::Scan::global): Likewise.
13708         (Target_i386::Relocate::relocate): Likewise.
13709         (Target_i386::Relocate::relocate_tls): Likewise.
13710         * object.h (Got_offset_list): New class.
13711         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13712         (Sized_relobj::local_got_offset): Likewise.
13713         (Sized_relobj::set_local_got_offset): Likewise.
13714         (Sized_relobj::local_has_tls_got_offset): Removed.
13715         (Sized_relobj::local_tls_got_offset): Removed.
13716         (Sized_relobj::set_local_tls_got_offset): Removed.
13717         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13718         * output.cc (Output_data_got::add_global): Added got_type parameter.
13719         (Output_data_got::add_global_with_rel): Likewise.
13720         (Output_data_got::add_global_with_rela): Likewise.
13721         (Output_data_got::add_global_pair_with_rel): New function.
13722         (Output_data_got::add_global_pair_with_rela): New function.
13723         (Output_data_got::add_local): Added got_type parameter.
13724         (Output_data_got::add_local_with_rel): Likewise.
13725         (Output_data_got::add_local_with_rela): Likewise.
13726         (Output_data_got::add_local_pair_with_rel): New function.
13727         (Output_data_got::add_local_pair_with_rela): New function.
13728         (Output_data_got::add_global_tls): Removed.
13729         (Output_data_got::add_global_tls_with_rel): Removed.
13730         (Output_data_got::add_global_tls_with_rela): Removed.
13731         (Output_data_got::add_local_tls): Removed.
13732         (Output_data_got::add_local_tls_with_rel): Removed.
13733         (Output_data_got::add_local_tls_with_rela): Removed.
13734         * output.h (Output_data_got::add_global): Added got_type parameter.
13735         (Output_data_got::add_global_with_rel): Likewise.
13736         (Output_data_got::add_global_with_rela): Likewise.
13737         (Output_data_got::add_global_pair_with_rel): New function.
13738         (Output_data_got::add_global_pair_with_rela): New function.
13739         (Output_data_got::add_local): Added got_type parameter.
13740         (Output_data_got::add_local_with_rel): Likewise.
13741         (Output_data_got::add_local_with_rela): Likewise.
13742         (Output_data_got::add_local_pair_with_rel): New function.
13743         (Output_data_got::add_local_pair_with_rela): New function.
13744         (Output_data_got::add_global_tls): Removed.
13745         (Output_data_got::add_global_tls_with_rel): Removed.
13746         (Output_data_got::add_global_tls_with_rela): Removed.
13747         (Output_data_got::add_local_tls): Removed.
13748         (Output_data_got::add_local_tls_with_rel): Removed.
13749         (Output_data_got::add_local_tls_with_rela): Removed.
13750         * resolve.cc (Symbol::override_base_with_special): Removed
13751         reference to has_got_offset_ field.
13752         * symtab.cc (Symbol::init_fields): Replaced initialization
13753         of got_offset_ with got_offsets_.  Removed initialization
13754         of has_got_offset_
13755         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13756         (Symbol::got_offset): Likewise.
13757         (Symbol::set_got_offset): Likewise.
13758         (Symbol::has_tls_got_offset): Removed.
13759         (Symbol::tls_got_offset): Removed.
13760         (Symbol::set_tls_got_offset): Removed.
13761         (Symbol::got_offset_): Removed.
13762         (Symbol::tls_mod_got_offset_): Removed.
13763         (Symbol::tls_pair_got_offset_): Removed.
13764         (Symbol::got_offsets_): New field.
13765         (Symbol::has_got_offset): Removed.
13766         (Symbol::has_tls_mod_got_offset): Removed.
13767         (Symbol::has_tls_pair_got_offset): Removed.
13768         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13769         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13770         member functions.
13771         (Target_x86_64::Scan::global): Likewise.
13772         (Target_x86_64::Relocate::relocate): Likewise.
13773         (Target_x86_64::Relocate::relocate_tls): Likewise.
13774
13775 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13776
13777         * yyscript.y: Fix spelling error in comment.
13778
13779 2008-03-24  Ian Lance Taylor  <iant@google.com>
13780
13781         * options.h (class General_options): Define build_id option.
13782         * layout.h (class Layout): Declare write_build_id, create_note,
13783         create_build_id.  Add build_id_note_ member.
13784         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13785         "libiberty.h", "md5.h", "sha1.h".
13786         (Layout::Layout): Initialize eh_frame_data_,
13787         eh_frame_hdr_section_, and build_id_note_.
13788         (Layout::finalize): Call create_build_id.
13789         (Layout::create_note): New function, broken out of
13790         Layout::create_gold_note.
13791         (Layout::create_gold_note): Call create_note.
13792         (Layout::create_build_id): New function.
13793         (Layout::write_build_id): New function.
13794         (Close_task_runner::run): Call write_build_id.
13795
13796         * x86_64.cc: Correct license to GPLv3.
13797
13798 2008-03-23  Ian Lance Taylor  <iant@google.com>
13799
13800         * options.cc: Include "demangle.h".
13801         (parse_optional_string): New function.
13802         (parse_long_option): Handle takes_optional_argument.
13803         (parse_short_option): Update dash_z initializer.  Handle
13804         takes_optional_argument.
13805         (General_options::General_options): Initialize do_demangle_.
13806         (General_options::finalize): Set do_demangle_.  Handle demangling
13807         style.
13808         * options.h (parse_optional_string): Declare.
13809         (struct One_option): Add optional_arg field.  Update constructor.
13810         Update call constructor calls.  Add takes_optional_argument
13811         function.
13812         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13813         (DEFINE_optional_string): Define.
13814         (General_options::demangle): Change from DEFINE_bool to
13815         DEFINE_optional_string.
13816         (General_options::no_demangle): New function.
13817         (General_options::do_demangle): New function.
13818         (General_options::set_do_demangle): New function.
13819         (General_options::execstack_status_): Move definition to end of
13820         class definition.
13821         (General_options::static_): Likewise.
13822         (General_options::do_demangle_): New field.
13823         * object.cc (big_endian>::get_symbol_location_info): Call
13824         Options::do_demangle, not Options::demangle.
13825         * symtab.cc (demangle): Likewise.
13826
13827 2008-03-22  Ian Lance Taylor  <iant@google.com>
13828
13829         * gold.h: Include <cstddef> and <sys/types.h>
13830         * options.h: Include <cstring>.
13831
13832 2008-03-21  Ian Lance Taylor  <iant@google.com>
13833
13834         * Added source code to GNU binutils.