gold/ChangeLog

   1 2012-09-11  Alan Modra  <amodra@gmail.com>
   2
   3         PR gold/14566
   4         * layout.cc (Layout::set_segment_offsets): When using
   5         common-page-size alignment, ensure we are on a new max-page-size
   6         page.
   7         * output.cc (Output_segment::set_section_addresses): Use
   8         abi_pagesize, not common_pagesize for relro boundary.
   9         (Output_segment::set_offset): Likewise.
  10
  11 2012-09-11  Alan Modra  <amodra@gmail.com>
  12
  13         * output.h (Output_data_got::add_global_tls, add_local_tls,
  14         add_local_tls_pair): New functions.
  15         (Output_data_got::add_local_pair_with_rel): Remove second
  16         reloc param.  Expand comment.
  17         (Output_data_got::Got_entry): Rename use_plt_offset_ to
  18         use_plt_or_tls_offset_, similarly for constructor param.
  19         (Output_data_got::Got_entry::write): Add got_index param.
  20         * output.cc (Output_data_got::add_global_tls, add_local_tls,
  21         add_local_tls_pair): New functions.
  22         (Output_data_got::Got_entry::write): Handle tls symbols
  23         with use_plt_or_tls_offset_ set specially.
  24         (Output_data_got::add_local_pair_with_rel): Only one reloc.
  25         (Output_data_got::do_write): Replace iterator with index, pass
  26         index to entry write function.
  27         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
  28         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
  29         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
  30         call.
  31         * i386.cc (Target_i386::Scan::local): Likewise.
  32         * sparc.cc (Target_sparc::Scan::local): Likewise.
  33         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
  34         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
  35         do_tls_offset_for_global): New functions.
  36         (Target_powerpc::Scan::local): Correct TLS relocations and got
  37         entry values.
  38         (Target_powerpc::Scan::global): Don't emit unnecessary
  39         dynamic relocations on TLS GOT entries.
  40
  41 2012-09-10  Matthias Klose  <doko@ubuntu.com>
  42
  43         * config.in: Disable sanity check for kfreebsd.
  44
  45 2012-09-10  Sterling Augustine  <saugustine@google.com>
  46
  47         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
  48         (Gdb_index::pubtypes_read): New parameter.
  49         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
  50         to calls.
  51         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
  52         pubtypes_object_.
  53
  54 2012-09-09  Alan Modra  <amodra@gmail.com>
  55
  56         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
  57         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
  58         * gc.h (gc_process_relocs): Call target gc_add_reference.
  59         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
  60         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
  61         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
  62         unnecessary cast.
  63         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
  64         to cater for when we don't need code offset.  Update use.
  65         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
  66         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
  67         set_opd_valid): New functions.
  68         (Target_powerpc::do_gc_add_reference): New function.
  69         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
  70         stashed refs.
  71         (Target_powerpc::do_gc_mark_symbol): New function.
  72
  73 2012-09-06  Cary Coutant  <ccoutant@google.com>
  74
  75         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
  76         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
  77         (Dwarf_die::skip_attributes): Likewise.
  78         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
  79         * testsuite/gdb_index_test.cc (inline_func_1): New function.
  80         (main): Call it.
  81         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
  82
  83 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
  84
  85         * testsuite/script_test_3.t: Add .got.plt output section
  86         statement.
  87         * testsuite/script_test_4.t: Likewise.
  88
  89 2012-09-05  Alan Modra  <amodra@gmail.com>
  90
  91         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
  92         update all uses and lose "enum" when using type.
  93
  94 2012-09-05  Alan Modra  <amodra@gmail.com>
  95
  96         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
  97         * configure: Regenerate.
  98         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
  99         (plugin_final_layout.stdout): Likewise.
 100         (memory_test): Set page sizes to 0x1000.
 101         * testsuite/Makefile.in: Regenerate.
 102         * testsuite/discard_locals_test.sh: Add FIXME comment.
 103         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
 104         * testsuite/pr14265.t: Add .got output section statement.
 105         * testsuite/script_test_2.t: Likewise.
 106         * testsuite/script_test_3.t: Likewise.
 107         * testsuite/script_test_4.t: Likewise.
 108         * testsuite/script_test_5.t: Likewise.
 109         * testsuite/script_test_6.t: Likewise.
 110         * testsuite/script_test_7.t: Likewise.
 111         * testsuite/script_test_9.t: Likewise.
 112
 113 2012-09-05  Alan Modra  <amodra@gmail.com>
 114
 115         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
 116         (Powerpc_relocate_functions::Status): New typedef.
 117         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 118         (Target_powerpc::Scan::local): Handle REL64.
 119         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
 120         for REL32 and REL64.
 121         (Target_powerpc::symval_for_branch): New function, extracted from..
 122         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
 123         checks.  Report overflow errors.
 124
 125 2012-09-05  Alan Modra  <amodra@gmail.com>
 126
 127         * object.h (Sized_relobj_file::emit_relocs): Delete.
 128         (Sized_relobj_file::emit_relocs_reltype): Delete.
 129         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
 130         relocate_relocs for --emit-relocs.
 131         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
 132         * output.h: Update comment.
 133         (Output_segment::first_section): New function.
 134         (Output_segment::first_section_load_address): Use first_section.
 135         * output.cc (Output_segment::first_section): New function extracted..
 136         (Output_segment::first_section_load_address): ..from here.  Delete.
 137         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
 138         * target.h (Sized_target::relocate_for_relocatable): Likewise.
 139         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
 140         adjust call to target.h function.
 141         * i386.cc (Target_i386): Likewise.
 142         * sparc.cc (Target_sparc): Likewise.
 143         * x86_64.cc (Target_x86_64): Likewise.
 144         * powerpc.cc (Target_powerpc): Likewise.
 145         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
 146         first tls section has section symbol for optimised local dynamic
 147         output relocs.
 148         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
 149         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
 150         optimised tls code.
 151         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
 152         Rename to relocate_relocs.  Update error message.
 153
 154 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
 155
 156         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
 157         --just-symbols.
 158
 159 2012-08-31  Alan Modra  <amodra@gmail.com>
 160
 161         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
 162         (Powerpc_relobj::toc_base_offset): New stub function.
 163         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
 164         got_mod_index_offset to tlsld_got_offset.  Update all refs.
 165         (Target_powerpc::Relocate::enum skip_tls): New.
 166         (Target_powerpc::call_tls_get_addr_): New var.
 167         (Target_powerpc::is_branch_reloc): Move to file scope.
 168         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
 169         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 170         New functions.
 171         (Target_powerpc::enum Got_type): Delete old values, add new ones.
 172         (powerpc_info): Correct common_pagesize for ppc64.
 173         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
 174         (Powerpc_relocate_functions): Add overflow check enums and functions.
 175         Add non-shift version of rela, rela_ua.  Delete all rel public
 176         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
 177         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
 178         addr16_ha3, addr14 functions.
 179         (Output_data_got_powerpc::add_constant_pair): New function.
 180         (Output_data_got_powerpc::got_base_offset): Likewise.
 181         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
 182         (instruction constants): Sort, add some more.
 183         (Output_data_glink::do_write): Add and use Address typedef.  Use
 184         object->toc_base_offset() stub for 64-bit.
 185         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
 186         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 187         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
 188         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
 189         Always treat .opd relocs as against locally defined symbol.
 190         Correct condition for RELATIVE relocs.
 191         (Target_powerpc::do_finalize_sections): Test for NULL sections.
 192         (Target_powerpc::Relocate::relocate): Use plt call stub as value
 193         for 32-bit syms with a plt entry.  Correct ppc64 toc base
 194         calculations.  Handle TLS relocs, and more.  Add overflow
 195         checking and adjust for Powerpc_relocate_functions changes.
 196         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
 197         Reinstate --emit-relocs code with FIXME.
 198
 199 2012-08-30  Alan Modra  <amodra@gmail.com>
 200
 201         * layout.cc (Layout::set_segment_offsets): Set p_align to
 202         abi_pagesize, not common_pagesize.
 203         (Layout::relaxation_loop_body): Similarly use abi_pagesize
 204         to determine whether file header can go in segment.
 205
 206 2012-08-30  Alan Modra  <amodra@gmail.com>
 207
 208         * output.h (Output_reloc::Output_reloc <output section>): Add
 209         is_relative param.  Adjust calls.
 210         (Output_reloc::add_output_section_relative): New functions.
 211         * output.cc (Output_reloc::Output_reloc <output section>): Handle
 212         is_relative.
 213         (Output_reloc::symbol_value): Handle SECTION_CODE.
 214
 215 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
 216
 217         * gold.cc (queue_middle_tasks): Call layout again when unique
 218         segments for sections is desired.
 219         * layout.cc (Layout::Layout): Initialize new members.
 220         (Layout::get_output_section_flags): New function.
 221         (Layout::choose_output_section): Call get_output_section_flags.
 222         (Layout::layout): Make output section for mapping to a unique segment.
 223         (Layout::insert_section_segment_map): New function.
 224         (Layout::attach_allocated_section_to_segment): Make unique segment for
 225         output sections marked so.
 226         (Layout::segment_precedes): Check for unique segments when sorting.
 227         * layout.h (Layout::Unique_segment_info): New struct.
 228         (Layout::Section_segment_map): New typedef.
 229         (Layout::insert_section_segment_map): New function.
 230         (Layout::get_output_section_flags): New function.
 231         (Layout::is_unique_segment_for_sections_specified): New function.
 232         (Layout::set_unique_segment_for_sections_specified): New function.
 233         (Layout::unique_segment_for_sections_specified_): New member.
 234         (Layout::section_segment_map_): New member.
 235         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
 236         Rename is_gc_pass_one to is_pass_one.
 237         Rename is_gc_pass_two to is_pass_two.
 238         Rename is_gc_or_icf to is_two_pass.
 239         Check for which pass based on whether symbols data is present.
 240         Make it two pass when unique segments for sections is desired.
 241         * output.cc (Output_section::Output_section): Initialize new
 242         members.
 243         * output.h (Output_section::is_unique_segment): New function.
 244         (Output_section::set_is_unique_segment): New function.
 245         (Output_section::is_unique_segment_): New member.
 246         (Output_section::extra_segment_flags): New function.
 247         (Output_section::set_extra_segment_flags): New function.
 248         (Output_section::extra_segment_flags_): New member.
 249         (Output_section::segment_alignment): New function.
 250         (Output_section::set_segment_alignment): New function.
 251         (Output_section::segment_alignment_): New member.
 252         (Output_segment::Output_segment): Initialize is_unique_segment_.
 253         (Output_segment::is_unique_segment): New function.
 254         (Output_segment::set_is_unique_segment): New function.
 255         (Output_segment::is_unique_segment_): New member.
 256         * plugin.cc (allow_unique_segment_for_sections): New function.
 257         (unique_segment_for_sections): New function.
 258         (Plugin::load): Add new functions to transfer vector.
 259         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
 260         * Makefile.in: Regenerate.
 261         * testsuite/plugin_final_layout.sh: Check if unique segment
 262         functionality works.
 263         * testsuite/plugin_section_order.c (onload): Check if new interfaces
 264         are available.
 265         (allow_unique_segment_for_sections): New global.
 266         (unique_segment_for_sections): New global.
 267         (claim_file_hook): Call allow_unique_segment_for_sections.
 268         (all_symbols_read_hook): Call unique_segment_for_sections.
 269
 270 2012-08-22  Cary Coutant  <ccoutant@google.com>
 271
 272         * layout.cc (Layout::include_section): Don't assert on GROUP
 273         sections with --emit-relocs.
 274
 275 2012-08-21  Cary Coutant  <ccoutant@google.com>
 276
 277         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
 278         if --export-dynamic-symbol names an undef symbol.
 279
 280 2012-08-18  Alan Modra  <amodra@gmail.com>
 281
 282         * powerpc.cc: Formatting and white space.
 283         (Powerpc_relobj): Rename got2_section_ to special_.
 284         Add opd_ent_shndx_ and opd_ent_off_ vectors.
 285         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
 286         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
 287         (Target_powerpc): Add Address typedef and invalid_address.  Use
 288         throughout.
 289         (Target_powerpc::is_branch_reloc): New function.
 290         (Powerpc_relocate_functions): Add Address typedef, use throughout.
 291         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
 292         for dst_mask, value and addend.
 293         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
 294         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
 295         (Output_data_glink::do_write): Correct toc base.  Don't try to use
 296         uint16_t for 24-bit offset.  Use get_output_section_offset and
 297         check return.
 298         (Target_powerpc::Scan::local): Handle more relocs.
 299         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
 300         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
 301         Plug in toc restoring insn after plt calls.  Translate branches
 302         to function descriptor symbols to corresponding entry point.
 303         (Target_powerpc::relocate_for_relocatable): Check return from
 304         get_output_section_offset.
 305         * symtab.h: Comment typo.
 306
 307 2012-08-14  Ian Lance Taylor  <iant@google.com>
 308
 309         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
 310         unsupported_relocal_local to call unsupported_reloc_global.
 311
 312 2012-08-14  Nick Clifton  <nickc@redhat.com>
 313
 314         PR ld/14265
 315         * script-sections.cc (Sections_element::output_section_name): Add
 316         keep return parameter.
 317         (Output_section_element::match_name): Add keep return parameter.
 318         Return the value of the keep_ member.
 319         * script-sections.h (class Output_section): Update
 320         output_section_name prototype.
 321         * layout.cc (Layout::keep_input_section): New public member
 322         function.
 323         (Layout::choose_output_section): Pass keep parameter to
 324         output_section_name.
 325         * layout.h (class Layout): Add keep_input_section.
 326         * object.cc (Sized_relobj_file::do_layout): Check for kept input
 327         sections.
 328         * testsuite/Makefile.am: Add a test.
 329         * testsuite/Makefile.in: Regenerate.
 330         * testsuite/pr14265.c: Source file for the test.
 331         * testsuite/pr14265.t: Linker script for the test.
 332         * testsuite/pr14265.sh: Shell script for the test.
 333
 334 2012-08-14  Alan Modra  <amodra@gmail.com>
 335
 336         * target.h (Target::output_section_name): New function.
 337         (Target::do_output_section_name): New function.
 338         * layout.cc (Layout::choose_output_section): Call the above.
 339         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
 340
 341 2012-08-14  Alan Modra  <amodra@gmail.com>
 342
 343         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
 344         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
 345         for replace_constant call.
 346         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
 347         (Output_data_glink::do_print_to_mapfile): New function.
 348         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
 349         (Target_powerpc::Relocate::relocate): Likewise.
 350
 351 2012-08-14  Alan Modra  <amodra@gmail.com>
 352
 353         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
 354         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
 355         (Output_data_glink::add_entry,find_entry): Remove shndx param.
 356         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
 357         all references to shndx_.  Handle special case for R_PPC_PLTREL24
 358         here.
 359         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
 360         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
 361         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
 362         here.
 363         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
 364         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
 365
 366 2012-08-12  Alan Modra  <amodra@gmail.com>
 367
 368         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
 369         (glink insn constants): Use uint32_t.
 370         (Output_data_glink::add_entry): Use insert, not [] operator.
 371
 372 2012-08-11  Alan Modra  <amodra@gmail.com>
 373
 374         * object.h (Sized_relobj_file::find_shdr): New function.
 375         (Sized_relobj_file::find_special_sections): New function.
 376         * object.cc (Sized_relobj_file::find_shdr): New function.
 377         (Sized_relobj_file::find_eh_frame): Use find_shdr.
 378         (Sized_relobj_file::find_special_sections): New function, split out..
 379         (Sized_relobj_file::do_read_symbols): ..from here.
 380         * output.h (Output_data_got::replace_constant): New function.
 381         (Output_data_got::num_entries): New function.
 382         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
 383         (Output_data_got::got_offset): Protected rather than private.
 384         (Output_data_got::replace_got_entry): New function.
 385         * output.cc (Output_data_got::replace_got_entry): New function.
 386         * powerpc.cc (class Powerpc_relobj): New.
 387         (class Powerpc_relocate_functions): Delete all psymval variants or
 388         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
 389         Implement _ha functions using corresponding _hi function.
 390         (Powerpc_relobj::find_special_sections): New function.
 391         (Target_powerpc::do_make_elf_object): New function.
 392         (class Output_data_got_powerpc): New.
 393         (class Output_data_glink): New.
 394         (class Powerpc_scan_relocatable_reloc): New.
 395         Many more changes througout file.
 396
 397 2012-08-09  Nick Clifton  <nickc@redhat.com>
 398
 399         * po/vi.po: Updated Vietnamese translation.
 400
 401 2012-08-07  Ian Lance Taylor  <iant@google.com>
 402
 403         * layout.cc (Layout::add_target_dynamic_tags): If
 404         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
 405         plt_rel.
 406
 407 2012-07-30  Nick Clifton  <nickc@redhat.com>
 408
 409         * po/gold.pot: Updated template.
 410         * po/es.po: Updated Spanish translation.
 411
 412 2012-07-18  Cary Coutant  <ccoutant@google.com>
 413
 414         PR gold/14344
 415         * configure.ac: Add check for -gpubnames support.
 416         * configure: Regenerate.
 417         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
 418         support; force -gno-pubnames.
 419         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
 420         support.
 421         (gdb_index_test_4): New test.
 422         * testsuite/Makefile.in: Regenerate.
 423         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
 424         * testsuite/gdb_index_test_2.sh: Likewise.
 425         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
 426         * testsuite/gdb_index_test_4.sh: New script.
 427         * testsuite/gdb_index_test_comm.sh: New script with common code;
 428         don't look for space after colon.
 429
 430 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
 431
 432         * gold.cc (queue_middle_tasks): Update function order only after
 433         deferred objects due to plugins are processed.
 434
 435 2012-07-11  Ian Lance Taylor  <iant@google.com>
 436
 437         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
 438         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
 439         (Target_arm::scan_reloc_for_stub): Likewise.
 440         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
 441         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
 442         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
 443         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
 444         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
 445
 446 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
 447             Ian Lance Taylor  <iant@google.com>
 448
 449         PR gold/14309
 450         * configure.ac: Test whether std::tr1::hash<off_t> works.
 451         * gold.h: Add a specialization for std::tr1::hash<off_t> if
 452         needed.
 453         * output.h (class Output_fill): Add virtual destructor.
 454         * configure, config.in: Rebuild.
 455
 456 2012-06-22  Roland McGrath  <mcgrathr@google.com>
 457
 458         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
 459
 460 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
 461
 462         * plugin.cc (Plugin::load): Handle position independent executables.
 463
 464 2012-06-06  Cary Coutant  <ccoutant@google.com>
 465
 466         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
 467         add .debug_macro.
 468         (lines_only_debug_sections): Likewise.
 469         (gdb_fast_lookup_sections): New static array.
 470         (is_gdb_debug_section): Rename formal parameter.
 471         (is_lines_only_debug_section): Likewise.
 472         (is_gdb_fast_lookup_section): New function.
 473         (Layout::include_section): Check for ".zdebug_" prefix; pass
 474         section name suffix to is_gdb_debug_section, et al.; check for
 475         fast-lookup sections when building .gdb_index.
 476         * options.h (--strip-debug-gdb): Update GDB version number.
 477
 478 2012-06-06  Cary Coutant  <ccoutant@google.com>
 479
 480         * configure.ac: Add check for fallocate.
 481         * configure: Regenerate.
 482         * config.in: Regenerate.
 483
 484         * options.h (class General_options): Add --mmap-output-file and
 485         --posix-fallocate options.
 486         * output.cc: (posix_fallocate): Remove; replace with...
 487         (gold_fallocate): New function.
 488         (Output_file::map_no_anonymous): Call gold_fallocate.
 489         (Output_file::map): Check --mmap-output-file option.
 490
 491 2012-06-05  Jing Yu  <jingyu@google.com>
 492
 493         * gold.h (textdomain): Add do {} to empty while(0).
 494         (bindtextdomain): Likewise.
 495
 496 2012-06-04  Cary Coutant  <ccoutant@google.com>
 497
 498         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
 499         has_dynsym_index.
 500
 501 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
 502
 503         * symtab.cc (Symbol_table::define_special_symbol):
 504         Initialize *poldsym to prevent uninitialized variable errors.
 505
 506 2012-05-23  Cary Coutant  <ccoutant@google.com>
 507
 508         * layout.cc (Layout::section_name_mapping): Add rules to handle
 509         exact match on .data.rel.ro.local or .data.rel.ro.
 510         (Layout::output_section_name): Check for exact matches.
 511
 512 2012-05-23  Cary Coutant  <ccoutant@google.com>
 513
 514         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
 515         more carefully.
 516
 517 2012-05-22  Cary Coutant  <ccoutant@google.com>
 518
 519         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
 520         object before exporting symbol.
 521
 522 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
 523
 524         * testsuite/tls_test.cc: Include "config.h" first.
 525         * testsuite/tls_test_c.c: Likewise.
 526
 527 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
 528             Nick Clifton  <nickc@redhat.com>
 529
 530         PR 14072
 531         * configure.in: Add check that sysdep.h has been included before
 532         any system header files.
 533         * configure: Regenerate.
 534         * config.in: Regenerate.
 535
 536 2012-05-14  Cary Coutant  <ccoutant@google.com>
 537
 538         * layout.cc (Layout::make_output_section): Mark .tdata section
 539         as RELRO.
 540         * testsuite/relro_test.cc: Add a TLS variable.
 541
 542 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 543
 544         PR gold/14091
 545         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
 546         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
 547         R_X86_64_64.
 548
 549 2012-05-08  Cary Coutant  <ccoutant@google.com>
 550
 551         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
 552         (lines_only_debug_sections): Likewise.
 553
 554 2012-05-02  Roland McGrath  <mcgrathr@google.com>
 555
 556         * nacl.cc: New file.
 557         * nacl.h: New file.
 558         * Makefile.am (CCFILES, HFILES): Add them.
 559         * Makefile.in: Regenerate.
 560         * i386.cc (Output_data_plt_i386_nacl): New class.
 561         (Output_data_plt_i386_nacl_exec): New class.
 562         (Output_data_plt_i386_nacl_dyn): New class.
 563         (Target_i386_nacl): New class.
 564         (Target_selector_i386_nacl): New class.
 565         (target_selector_i386): Use it instead of Target_selector_i386.
 566         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
 567         (Target_x86_64_nacl): New class.
 568         (Target_selector_x86_64_nacl): New class.
 569         (target_selector_x86_64, target_selector_x32): Use it instead of
 570         Target_selector_x86_64.
 571         * arm.cc (Output_data_plt_arm_nacl): New class.
 572         (Target_arm_nacl): New class.
 573         (Target_selector_arm_nacl): New class.
 574         (target_selector_arm, target_selector_armbe): Use it instead of
 575         Target_selector_arm.
 576
 577         * target-select.cc (select_target): Take new Input_file* and off_t
 578         arguments, pass them on to recognize method of selector.
 579         * object.cc (make_elf_sized_object): Update caller.
 580         * parameters.cc (parameters_force_valid_target): Likewise.
 581         * incremental.cc (make_sized_incremental_binary): Likewise.
 582         * target-select.h: Update decl.
 583         (Target_selector::recognize): Take new Input_file* argument,
 584         pass it on to do_recognize.
 585         (Target_selector::do_recognize): Take new Input_file* argument.
 586         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
 587         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
 588         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
 589         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
 590
 591         * target.h (Target::Target_info): New members isolate_execinstr
 592         and rosegment_gap.
 593         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
 594         * arm.cc (Target_arm::arm_info): Update initializer.
 595         * i386.cc (Target_i386::i386_info): Likewise.
 596         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
 597         * sparc.cc (Target_sparc::sparc_info): Likewise.
 598         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
 599         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 600         * layout.cc (Layout::attach_allocated_section_to_segment):
 601         Take new const Target* argument.  If target->isolate_execinstr(), act
 602         like --rosegment.
 603         (Layout::find_first_load_seg): Take new const Target* argument;
 604         if target->isolate_execinstr(), reject PF_X segments.
 605         (Layout::relaxation_loop_body): Update caller.
 606         (Layout::set_segment_offsets): If target->isolate_execinstr(),
 607         reset file offset to zero when we hit LOAD_SEG, and then do a second
 608         loop over the segments before LOAD_SEG to reassign offsets after
 609         addresses have been determined.  Handle target->rosegment_gap().
 610         (Layout::attach_section_to_segment): Take new const Target* argument;
 611         pass it to attach_allocated_section_to_segment.
 612         (Layout::make_output_section): Update caller.
 613         (Layout::attach_sections_to_segments): Take new const Target* argument;
 614         pass it to attach_section_to_segment.
 615         * gold.cc (queue_middle_tasks): Update caller.
 616         * layout.h (Layout): Update method decls with new arguments.
 617
 618         * arm.cc (Target_arm::Target_arm): Take optional argument for the
 619         Target_info pointer to use.
 620         (Target_arm::do_make_data_plt): New virtual method.
 621         (Target_arm::make_data_plt): New method that calls it.
 622         (Target_arm::make_plt_entry): Use it.
 623         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
 624         for the section alignment.
 625         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
 626         method.
 627         (Output_data_plt_arm::first_plt_entry_offset): Call it.
 628         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
 629         method.
 630         (Output_data_plt_arm::get_plt_entry_size): Call it.
 631         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
 632         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
 633         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
 634         method.
 635         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
 636         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
 637         method instead of sizeof(plt_entry).
 638         (Output_data_plt_arm::add_entry): Likewise.
 639         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
 640         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
 641         than static method.
 642         (Target_arm::plt_entry_size): Likewise.
 643         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
 644         Move to ...
 645         (Output_data_plt_arm_standard): ... here, new class.
 646         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
 647         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
 648         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
 649
 650         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
 651         Take additional argument for the PLT entry size.
 652         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
 653         Use get_plt_entry_size method rather than plt_entry_size variable.
 654         (Output_data_plt_x86_64::reserve_slot): Likewise.
 655         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
 656         (Output_data_plt_x86_64::add_entry): Likewise.
 657         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
 658         (Output_data_plt_x86_64::address_for_global): Likewise.
 659         (Output_data_plt_x86_64::address_for_local): Likewise.
 660         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 661         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
 662         Make method non-static.
 663         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
 664         method.
 665         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
 666         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
 667         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
 668         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
 669         virtual method.
 670         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
 671         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
 672         virtual method.
 673         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
 674         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
 675         virtual method.
 676         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
 677         (Output_data_plt_x86_64::plt_entry_size)
 678         (Output_data_plt_x86_64::first_plt_entry)
 679         (Output_data_plt_x86_64::plt_entry)
 680         (Output_data_plt_x86_64::tlsdesc_plt_entry)
 681         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
 682         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
 683         (Output_data_plt_x86_64_standard): ... here, new class.
 684         (Target_x86_64::Target_x86_64): Take optional argument for the
 685         Target_info pointer to use.
 686         (Target_x86_64::do_make_data_plt): New virtual method.
 687         (Target_x86_64::make_data_plt): New method to call it.
 688         (Target_x86_64::init_got_plt_for_update): Use that.
 689         Call this->plt_->add_eh_frame method here.
 690         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
 691         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
 692         rather than static method.
 693         (Target_x86_64::plt_entry_size): Likewise.
 694         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
 695         rather than plt_entry_size variable.  Move guts of PLT filling to...
 696         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
 697         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
 698         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
 699
 700         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
 701         additional argument for the section alignment.
 702         Don't do add_eh_frame_for_plt here.
 703         (Output_data_plt_i386::first_plt_entry_offset): Make the method
 704         non-static.  Use get_plt_entry_size method rather than plt_entry_size
 705         variable.
 706         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
 707         method.
 708         (Output_data_plt_i386::get_plt_entry_size): Call it.
 709         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
 710         (Output_data_plt_i386::add_eh_frame): New method to call it.
 711         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
 712         method.
 713         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
 714         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
 715         method.
 716         (Output_data_plt_i386::fill_plt_entry): New method to call it.
 717         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
 718         method instead of plt_entry_size.
 719         (Output_data_plt_i386::plt_entry_size)
 720         (Output_data_plt_i386::plt_eh_frame_fde_size)
 721         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
 722         (Output_data_plt_i386_standard): ... here, new class.
 723         (Output_data_plt_i386_exec): New class.
 724         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
 725         (Output_data_plt_i386_exec::first_plt_entry): ... here.
 726         (Output_data_plt_i386::exec_plt_entry): Move to ...
 727         (Output_data_plt_i386_exec::plt_entry): ... here.
 728         (Output_data_plt_i386_dyn): New class.
 729         (Output_data_plt_i386::first_plt_entry): Move to ...
 730         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
 731         (Output_data_plt_i386::dyn_plt_entry): Move to ...
 732         (Output_data_plt_i386_dyn::plt_entry): ... here.
 733         (Target_i386::Target_i386): Take optional argument for the Target_info
 734         pointer to use.
 735         (Target_i386::do_make_data_plt): New virtual method.
 736         (Target_i386::make_data_plt): New method to call it.
 737         (Target_i386::make_plt_section): Use that.
 738         Call this->plt_->add_eh_frame method here.
 739         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
 740         rather than plt_entry_size variable.
 741         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
 742         (Output_data_plt_i386::address_for_local): Likewise.
 743         (Output_data_plt_i386::do_write): Likewise.
 744         Move guts of PLT filling to...
 745         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
 746         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
 747         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
 748         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
 749
 750 2012-05-01  Cary Coutant  <ccoutant@google.com>
 751
 752         * dwarf_reader.cc (Dwarf_die::read_attributes)
 753         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
 754         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
 755         * reduced_debug_output.cc
 756         (Output_reduced_debug_info_section::get_die_end): Remove
 757         DW_FORM_GNU_ref_index.  Add default case.
 758
 759 2012-04-26  Mark Wielaard  <mjw@redhat.com>
 760
 761         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
 762         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
 763         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
 764         DW_AT_high_pc as offset from DW_AT_low_pc.
 765
 766         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
 767         * testsuite/Makefile.in: Regenerate.
 768         * testsuite/gdb_index_test_3.c: New test source file.
 769         * testsuite/gdb_index_test_3.sh: New test source file.
 770
 771 2012-04-25  Ian Lance Taylor  <iant@google.com>
 772
 773         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
 774         pointer.
 775         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
 776         as a class, not a struct.
 777         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
 778         (Target_arm::apply_cortex_a8_workaround): Likewise.
 779         * gc.h: Declare Reloc_types as a struct, not a class.
 780         * object.h: Declare Symbols_data as a struct.
 781         * reloc.h: Declare Read_relocs_data as a struct.
 782         * target.h: Declare Relocate_info as a struct.
 783
 784 2012-04-24  David S. Miller  <davem@davemloft.net>
 785
 786         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
 787         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
 788         and R_SPARC_WPLT30.
 789
 790 2012-04-24  Cary Coutant  <ccoutant@google.com>
 791
 792         * incremental-dump.cc (find_input_containing_global): Replace
 793         magic number with symbolic constant.
 794         (dump_incremental_inputs): Update version number.
 795         * incremental.cc (Output_section_incremental_inputs): Update version
 796         number; import symbolic constants from Incremental_inputs_reader.
 797         (Incremental_inputs::create_data_sections): Align relocations
 798         section correctly for 64-bit targets.
 799         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
 800         constants; add padding.
 801         (Output_section_incremental_inputs::write_header): Add assert for
 802         header_size.
 803         (Output_section_incremental_inputs::write_input_files): Add assert
 804         for input_entry_size.
 805         (Output_section_incremental_inputs::write_info_blocks): Add padding;
 806         add assert for object_info_size, input_section_entry_size,
 807         global_sym_entry_size.
 808         * incremental.h (Incremental_inputs_reader): Add symbolic constants
 809         for data structure sizes; use them.
 810         (Incremental_input_entry_reader): Import symbolic constants from
 811         Incremental_inputs_reader; use them.
 812
 813 2012-04-23  David S. Miller  <davem@davemloft.net>
 814
 815         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
 816         and elf_flags_set_.
 817         (Target_sparc::Target_sparc): Initialize new fields.
 818         (Target_sparc::do_make_elf_object): New function.
 819         (Target_sparc::do_adjust_elf_header): New function.
 820
 821 2012-04-23  Cary Coutant  <ccoutant@google.com>
 822
 823         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
 824         CU range table of gdb index.
 825
 826 2012-04-20  David S. Miller  <davem@davemloft.net>
 827
 828         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
 829         instead of false.
 830
 831 2012-04-16  David S. Miller  <davem@davemloft.net>
 832
 833         * sparc.cc (Target_sparc::got_address): New function.
 834         (Sparc_relocate_functions::gdop_hix22): New function.
 835         (Sparc_relocate_functions::gdop_lox10): New function.
 836         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
 837         relocs.
 838         (Target_sparc::Scan::local): Likewise if the global symbol is not
 839         preemptible and is not IFUNC.
 840         (Target_sparc::Relocate::relocate): Perform GOTDATA code
 841         transformations for local and non-preemptible non-IFUNC global
 842         symbols.
 843
 844         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
 845         writing out 64-bit part of ranges.
 846
 847         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
 848         -fpic and -fpie respectively.
 849         * Makefile.in: Regenerate.
 850
 851         * sparc.cc (class Target_sparc): Add rela_ifunc_.
 852         (Target_sparc::Target_sparc): Initialize new field.
 853         (Target_sparc::do_plt_section_for_global): New function.
 854         (Target_sparc::do_plt_section_for_local): New function.
 855         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
 856         (Target_sparc::make_plt_section): New function, broken out of
 857         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
 858         (Target_sparc::make_plt_entry): Call make_plt_section.
 859         (Target_sparc::make_local_ifunc_plt_entry): New function.
 860         (Target_sparc::rela_ifunc_section): New function.
 861         (Target_sparc::plt_section): Remove const.
 862         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
 863         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
 864         and ifunc_count_ fields.
 865         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
 866         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
 867         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
 868         (Output_data_plt_sparc::rela_ifunc): New function.
 869         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
 870         (Output_data_plt_sparc::has_ifunc_section): New function.
 871         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
 872         (Output_data_plt_sparc::address_for_global): New function.
 873         (Output_data_plt_sparc::address_for_local): New function.
 874         (Output_data_plt_sparc::plt_index_to_offset): New function.
 875         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
 876         and entry_count.
 877         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
 878         entry_count.
 879         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
 880         R_SPARC_JMP_IREL to switch.
 881         (Target_sparc::Scan::check_non_pic): Likewise.
 882         (Target_sparc::Scan::local): Handle IFUNC symbols.
 883         (Target_sparc::Scan::local): Likewise.
 884         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
 885         and plt_address_for_local.
 886         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
 887         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
 888
 889         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
 890         (class Output_data_reloc): Adjust calls to Output_reloc_type.
 891         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
 892         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
 893         global relocs too.
 894         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
 895         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
 896         calls.
 897         * sparc.cc (Target_sparc::Scan::global): Likewise.
 898         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 899
 900 2012-04-16  Cary Coutant  <ccoutant@google.com>
 901
 902         * archive.cc (Library_base::should_include_member): Check for
 903         --export-dynamic-symbol.
 904         * options.h (class General_options): Add --export-dynamic-symbol.
 905         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
 906         --export-dynamic-symbol.
 907         (Symbol_table::gc_mark_undef_symbols): Likewise.
 908         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
 909
 910 2012-04-12  David S. Miller  <davem@davemloft.net>
 911
 912         * sparc.cc (Reloc::wdisp10): New relocation method.
 913         (Reloc::h34): Likewise.
 914         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
 915         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
 916         R_SPARC_WDISP10.
 917         (Target_sparc::Scan::local): Likewise.
 918         (Target_sparc::Scan::global): Likewise.
 919         (Target_sparc::Relocate::relocate): Likewise.
 920
 921 2012-04-09  Cary Coutant  <ccoutant@google.com>
 922
 923         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
 924         low_pc == 0.
 925
 926 2012-04-06  Ian Lance Taylor  <iant@google.com>
 927
 928         * timer.cc: #include <unistd.h>.
 929
 930 2012-04-06  Roland McGrath  <mcgrathr@google.com>
 931
 932         * configure.in (AC_CHECK_HEADERS): Add locale.h.
 933         * config.in: Regenerate.
 934         * configure: Regenerate.
 935
 936 2012-04-05  Nick Clifton  <nickc@redhat.com>
 937
 938         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
 939         (AM_LC_MESSAGES): Add.
 940         * aclocal.m4: Regenerate.
 941         * config.in: Regenerate.
 942         * configure: Regenerate.
 943
 944 2012-03-21  Cary Coutant  <ccoutant@google.com>
 945
 946         * Makefile.am: Add gdb-index.cc, gdb-index.h.
 947         * Makefile.in: Regenerate.
 948         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
 949         (Sized_elf_reloc_mapper::symbol_section): New function.
 950         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
 951         (make_elf_reloc_mapper): New function.
 952         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
 953         (Dwarf_abbrev_table::do_read_abbrevs): New function.
 954         (Dwarf_abbrev_table::do_get_abbrev): New function.
 955         (Dwarf_ranges_table::read_ranges_table): New function.
 956         (Dwarf_ranges_table::read_range_list): New function.
 957         (Dwarf_pubnames_table::read_section): New function.
 958         (Dwarf_pubnames_table::read_header): New function.
 959         (Dwarf_pubnames_table::next_name): New function.
 960         (Dwarf_die::Dwarf_die): New function.
 961         (Dwarf_die::read_attributes): New function.
 962         (Dwarf_die::skip_attributes): New function.
 963         (Dwarf_die::set_name): New function.
 964         (Dwarf_die::set_linkage_name): New function.
 965         (Dwarf_die::attribute): New function.
 966         (Dwarf_die::string_attribute): New function.
 967         (Dwarf_die::int_attribute): New function.
 968         (Dwarf_die::uint_attribute): New function.
 969         (Dwarf_die::ref_attribute): New function.
 970         (Dwarf_die::child_offset): New function.
 971         (Dwarf_die::sibling_offset): New function.
 972         (Dwarf_info_reader::check_buffer): New function.
 973         (Dwarf_info_reader::parse): New function.
 974         (Dwarf_info_reader::do_parse): New function.
 975         (Dwarf_info_reader::do_read_string_table): New function.
 976         (Dwarf_info_reader::lookup_reloc): New function.
 977         (Dwarf_info_reader::get_string): New function.
 978         (Dwarf_info_reader::visit_compilation_unit): New function.
 979         (Dwarf_info_reader::visit_type_unit): New function.
 980         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
 981         Sized_elf_reloc_mapper.
 982         (Sized_dwarf_line_info::symbol_section): Remove function.
 983         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
 984         (Sized_dwarf_line_info::read_line_mappings): Remove object
 985         parameter, adjust callers.
 986         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
 987         * dwarf_reader.h: Include <sys/types.h>.
 988         (class Track_relocs): Remove forward declaration.
 989         (class Elf_reloc_mapper): New class.
 990         (class Sized_elf_reloc_mapper): New class.
 991         (class Dwarf_abbrev_table): New class.
 992         (class Dwarf_range_list): New class.
 993         (class Dwarf_ranges_table): New class.
 994         (class Dwarf_pubnames_table): New class.
 995         (class Dwarf_die): New class.
 996         (class Dwarf_info_reader): New class.
 997         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
 998         (Sized_dwarf_line_info::symbol_section): Remove member function.
 999         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1000         base class.
1001         * gdb-index.cc: New source file.
1002         * gdb-index.h: New source file.
1003         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1004         and .debug_types sections, call Layout::add_to_gdb_index.
1005         (Sized_relobj_incr::do_section_name): Implement.
1006         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1007         return type; Implement.
1008         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1009         return type.
1010         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1011         parameter list and return type.
1012         (Sized_incr_dynobj::do_section_contents): Likewise.
1013         * layout.cc: Include gdb-index.h.
1014         (Layout::Layout): Initialize gdb_index_data_.
1015         (Layout::init_fixed_output_section): Check for .gdb_index section.
1016         (Layout::add_to_gdb_index): New function. Instantiate.
1017         * layout.h: Add forward declaration for class Gdb_index.
1018         (Layout::add_to_gdb_index): New member function.
1019         (Layout::gdb_index_data_): New data member.
1020         * main.cc: Include gdb-index.h.
1021         (main): Print statistics for gdb index.
1022         * object.cc (Object::section_contents): Move code into
1023         do_section_contents.
1024         (need_decompressed_section): Check for sections needed when building
1025         gdb index.
1026         (build_compressed_section_map): Likewise.
1027         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1028         gdb index.
1029         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1030         sections; call Layout::add_to_gdb_index.
1031         (Sized_relobj_file::do_decompressed_section_contents): Call
1032         do_section_contents directly.
1033         * object.h (Object::do_section_contents): Adjust parameter list and
1034         return type.
1035         (Object::do_decompressed_section_contents): Call do_section_contents
1036         directly.
1037         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1038         return type.
1039         * options.h (class General_options): Add --gdb-index option.
1040         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1041         list and return type.
1042         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1043         * reloc.h (Track_relocs::checkpoint): New function.
1044         (Track_relocs::reset): New function.
1045
1046         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1047         New test cases.
1048         * testsuite/Makefile.in: Regenerate.
1049         * testsuite/gdb_index_test.cc: New test source file.
1050         * testsuite/gdb_index_test_1.sh: New test source file.
1051         * testsuite/gdb_index_test_2.sh: New test source file.
1052
1053 2012-03-19  Doug Kwan  <dougkwan@google.com>
1054
1055         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1056         (Target_arm::do_finalize_sections): Remove code which defines
1057         __exidx_start and __exidx_end.  Make symbol table parameter
1058         anonymous as it is not used.
1059         * gold.cc (queue_middle_tasks): Call target hook to define any
1060         target-specific symbols.
1061         * target.h (Target::define_standard_symbols): New method.
1062         (Target::do_define_standard_symbols): Same.
1063         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1064         * testsuite/Makefile.in: Regenerate.
1065         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1066         and __exidx_end.
1067         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1068         relocations are generated for __exidx_start and __exidx_end.
1069
1070 2012-03-16  Doug Kwan  <dougkwan@google.com>
1071
1072         * testsuite/Makefile.am: Disable test initpri3b.
1073         * testsuite/Makefile.in: Regenerate.
1074
1075 2012-03-15  Doug Kwan  <dougkwan@google.com>
1076
1077         * arm.cc (Target_arm::got_section): Make .got section read-only
1078         if -z now is given.
1079
1080 2012-03-15  Ian Lance Taylor  <iant@google.com>
1081
1082         PR gold/13850
1083         * layout.cc (Layout::make_output_section): Correctly mark
1084         SHT_INIT_ARRAY, et. al., as relro.
1085
1086 2012-03-14  Doug Kwan  <dougkwan@google.com>
1087
1088         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1089         dynamic relocations for protected symbols in shared objects.
1090
1091 2012-03-13  Ian Lance Taylor  <iant@google.com>
1092
1093         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1094         keep the larger alignment.
1095
1096 2012-03-12  Cary Coutant  <ccoutant@google.com>
1097
1098         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1099         handling of DW_LNE_define_file.
1100
1101 2012-03-12  Cary Coutant  <ccoutant@google.com>
1102
1103         * reduced_debug_output.cc
1104         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1105         codes to switch.
1106
1107 2012-02-29  Cary Coutant  <ccoutant@google.com>
1108
1109         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1110
1111 2012-02-29  Cary Coutant  <ccoutant@google.com>
1112
1113         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1114         Call Object::decompressed_section_contents.
1115         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1116         New dtor.
1117         (Sized_dwarf_line_info::buffer_start_): New data member.
1118         * merge.cc (Output_merge_data::do_add_input_section): Call
1119         Object::decompressed_section_contents.
1120         (Output_merge_string::do_add_input_section): Likewise.
1121         * object.cc (need_decompressed_section): New function.
1122         (build_compressed_section_map): Decompress sections needed later.
1123         (Sized_relobj_file::do_decompressed_section_contents): New function.
1124         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1125         * object.h (Object::decompressed_section_contents): New function.
1126         (Object::discard_decompressed_sections): New function.
1127         (Object::do_decompressed_section_contents): New function.
1128         (Object::do_discard_decompressed_sections): New function.
1129         (Compressed_section_info): New type.
1130         (Compressed_section_map): Include decompressed section contents.
1131         (Sized_relobj_file::do_decompressed_section_contents): New function.
1132         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1133
1134 2012-02-16  Cary Coutant  <ccoutant@google.com>
1135
1136         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1137         * testsuite/Makefile.in: Regenerate.
1138
1139 2012-02-14  Cary Coutant  <ccoutant@google.com>
1140
1141         * options.cc (General_options::finalize): Disallow -pie and -static.
1142
1143 2012-02-03  Doug Kwan  <dougkwan@google.com>
1144
1145         * arm.cc (Arm_relocate_functions::abs8,
1146         Arm_relocate_functions::abs16): Use
1147         Bits::has_signed_unsigned_overflow32.
1148         (Arm_relocate_functions::thm_abs8): Correct range of
1149         overflow check.
1150         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1151         in assertions.
1152
1153 2012-02-02  Doug Kwan  <dougkwan@google.com>
1154
1155         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1156         position independent outputs, not just shared objects.
1157
1158 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1159
1160         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1161         * configure: Regenerated.
1162
1163 2012-01-27  Ian Lance Taylor  <iant@google.com>
1164
1165         * reloc.h (Bits): New class with static functions, copied from
1166         namespace utils in arm.cc.
1167         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1168         instead.
1169
1170 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1171
1172         * incremental.cc (write_info_blocks): Correct relocation offset.
1173
1174 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1175
1176         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1177         (Relocate::tls_gd_to_le): Likewise.
1178
1179 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1180
1181         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1182
1183 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1184
1185         * configure.ac: Check if -mcmodel=medium works.
1186         * configure: Regenerated.
1187
1188 2012-01-24  Cary Coutant  <ccoutant@google.com>
1189
1190         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1191         definition and ...
1192         (read_unsigned_LEB_128_x): ... this new function.
1193         (read_signed_LEB_128): Replaced with inline definition and ...
1194         (read_signed_LEB_128_x): ... this new function.
1195         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1196         (read_unsigned_LEB_128): Add inline definition.
1197         (read_signed_LEB_128_x): New function.
1198         (read_signed_LEB_128): Add inline definition.
1199         * testsuite/Makefile.am (leb128_unittest): New unit test.
1200         * testsuite/Makefile.in: Regenerate.
1201         * testsuite/leb128_unittest.cc: New unit test.
1202
1203 2012-01-23  Ian Lance Taylor  <iant@google.com>
1204
1205         PR gold/13617
1206         * i386.cc (Target_i386::do_code_fill): When using a jmp
1207         instruction, pad with nop instructions.
1208         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1209
1210 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1211
1212         * x86_64.cc (gc_process_relocs): Add typename on types used in
1213         template.
1214         (scan_relocs): Likewise.
1215         (relocate_section): Likewise.
1216         (apply_relocation): Likewise.
1217
1218 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1219
1220         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1221         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1222         under x32.
1223
1224 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1225
1226         * x86_64.cc: Initial support for x32.
1227
1228 2012-01-03  Cary Coutant  <ccoutant@google.com>
1229
1230         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1231         Use abstract base class for GOT.
1232         * gold/output.h (class Output_data_got_base): New abstract base class.
1233         (class Output_data_got): Derive from new base class, adjust ctors.
1234         (Output_data_got::reserve_slot): Make virtual; rename to
1235         do_reserve_slot; Adjust callers.
1236         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1237         pointer to abstract base class.
1238         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1239
1240 2011-12-18  Ian Lance Taylor  <iant@google.com>
1241
1242         * object.h (Relobj::local_symbol_value): New function.
1243         (Relobj::local_plt_offset): New function.
1244         (Relobj::local_has_got_offset): New function.
1245         (Relobj::local_got_offset): New function.
1246         (Relobj::set_local_got_offset): New function.
1247         (Relobj::do_local_symbol_value): New pure virtual function.
1248         (Relobj::do_local_plt_offset): Likewise.
1249         (Relobj::do_local_has_got_offset): Likewise.
1250         (Relobj::do_local_got_offset): Likewise.
1251         (Relobj::do_set_local_got_offset): Likewise.
1252         (Sized_relobj::do_local_has_got_offset): Rename from
1253         local_has_got_offset.
1254         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1255         (Sized_relobj::do_set_local_got_offset): Rename from
1256         set_local_got_offset.
1257         (Sized_relobj_file::do_local_plt_offset): Rename from
1258         local_plt_offset.
1259         (Sized_relobj_file::do_local_symbol_value): New function.
1260         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1261         local_plt_offset.
1262         * output.cc (Output_data_got::Got_entry::write): Change object to
1263         Relobj.  Use local_symbol_value.
1264         (Output_data_got::add_global_with_rel): Change rel_dyn to
1265         Output_data_reloc_generic*.  Use add_global_generic.
1266         (Output_data_got::add_global_with_rela): Remove.  Change all
1267         callers to use add_global_with_rel.
1268         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1269         Output_data_reloc_generic*.  Use add_global_generic.
1270         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1271         callers to use add_global_pair_with_rel.
1272         (Output_data_got::add_local): Change object to Relobj*.
1273         (Output_data_got::add_local_plt): Likewise.
1274         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1275         change rel_dyn to Output_data_reloc_generic*.  Use
1276         add_local_generic.
1277         (Output_data_got::add_local_with_rela): Remove.  Change all
1278         callers to use all_local_with_rel.
1279         (Output_data_got::add_local_pair_with_rel): Change object to
1280         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1281         add_output_section_generic.
1282         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1283         callers to use add_local_pair_with_rel.
1284         (Output_data_got::reserve_local): Change object to Relobj*.
1285         * output.h: (class Output_data_reloc_generic): Add pure virtual
1286         declarations for add_global_generic, add_local_generic,
1287         add_output_section_generic.
1288         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1289         functions for Output_data_reloc_generic.  Update declarations for
1290         changes listed in output.cc.
1291         (class Output_data_got): Change template parameter to got_size.
1292         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1293         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1294         function.
1295         (Sized_relobj_incr::do_local_plt_offset): New function.
1296         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1297         add_global_generic.
1298
1299 2011-12-17  Cary Coutant  <ccoutant@google.com>
1300
1301         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1302         * resolve.cc (Symbol_table::resolve): Likewise.
1303         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1304         arrays.
1305         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1306
1307 2011-12-16  Ian Lance Taylor  <iant@google.com>
1308
1309         * output.h (Output_data_reloc_generic::add): Only call
1310         add_dynamic_reloc if this is a dynamic reloc section.
1311
1312 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
1313
1314         PR gold/13505
1315         * target-reloc.h (apply_relocation): Replace <64, false> with
1316         <size, big_endian>.
1317
1318 2011-11-25  Nick Clifton  <nickc@redhat.com>
1319
1320         * po/it.po: New Italian translation.
1321
1322 2011-11-17  Sterling Augustine  <saugustine@google.com>
1323
1324         * script.cc (script_include_directive): Implement.
1325         (read_script_file): New local variables name and search_path. Update
1326         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
1327         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
1328         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
1329
1330 2011-11-11  Sterling Augustine  <saugustine@google.com>
1331
1332         * yyscript.y (section_cmd): Add support for INCLUDE directive.
1333         (file_or_sections_cmd): Likewise.
1334
1335 2011-11-11  Doug Kwan  <dougkwan@google.com>
1336
1337         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
1338         if --just-symbols is given.
1339
1340 2011-11-10  Doug Kwan  <dougkwan@google.com>
1341
1342         PR gold/13362
1343         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
1344         when processing data relocs.
1345         * reloc.h (Relocate_functions::rel_unaligned): New method.
1346         (Relocate_functions::pcrel_unaligned): Ditto.
1347         (Relocate_functions::rel32_unaligned): Ditto.
1348         (Relocate_functions::pcrel32_unaligned): Ditto.
1349
1350 2011-11-09  Doug Kwan  <dougkwan@google.com>
1351
1352         PR gold/13362
1353         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
1354         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
1355         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
1356         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1357         (Relocate_functions::rel_unaligned): New.
1358         (Relocate_functions::rel32_unaligned): New.
1359         * target-reloc.h (relocate_for_relocatable): Add code to handle
1360         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
1361         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
1362         arm_unaligned_reloc_r): New targets.
1363         * testsuite/Makefile.in: Regenerate.
1364         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
1365         linking.
1366
1367 2011-11-02  Ian Lance Taylor  <iant@google.com>
1368
1369         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
1370         NATIVE_LINKER.
1371         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
1372         * options.cc (General_options::finalize): Use library search path
1373         from configure script if specified.  If not native and no sysroot,
1374         only search TOOLLIBDIR.
1375         * options.h (Search_directory::Search_directory): Change name to
1376         const std::string&.
1377         (General_options::add_to_library_path_with_sysroot): Change arg to
1378         const std::string&.
1379         * configure, Makefile.in, config.in: Rebuild.
1380
1381 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1382
1383         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
1384         we are working around the ARM1176 Erratum.
1385         * options.h (General_options::fix_arm1176): Add option.
1386         * testsuite/Makefile.am: Add testcases, and keep current ones
1387         working.
1388         * testsuite/Makefile.in: Regenerate.
1389         * testsuite/arm_fix_1176.s: New file.
1390         * testsuite/arm_fix_1176.sh: Likewise.
1391
1392 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1393
1394         * arm.cc (Target_arm::Target_arm): Remove initialisation of
1395         may_use_blx_.
1396         (Target_arm::may_use_blx): Remove method.
1397         (Target_arm::set_may_use_blx): Likewise.
1398         (Target_arm::may_use_v4t_interworking): New method.
1399         (Target_arm::may_use_v5t_interworking): Likewise.
1400         (Target_arm::may_use_blx_): Remove member variable.
1401         (Arm_relocate_functions::arm_branch_common): Check for v5T
1402         interworking.
1403         (Arm_relocate_functions::thumb_branch_common): Likewise.
1404         (Reloc_stub::stub_type_for_reloc): Likewise.
1405         (Target_arm::do_finalize_sections): Correct interworking checks.
1406         * testsuite/Makefile.am: Add new tests.
1407         * testsuite/Makefile.in: Regenerate.
1408         * testsuite/arm_farcall_arm_arm.s: New test.
1409         * testsuite/arm_farcall_arm_arm.sh: Likewise.
1410         * testsuite/arm_farcall_arm_thumb.s: Likewise.
1411         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
1412         * testsuite/arm_farcall_thumb_arm.s: Likewise.
1413         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
1414         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
1415         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
1416
1417 2011-10-31  Cary Coutant  <ccoutant@google.com>
1418
1419         PR gold/13023
1420         * expression.cc (Expression::eval_with_dot): Add
1421         is_section_dot_assignment parameter.
1422         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
1423         absolute and assigning to dot within a section.
1424         * script-sections.cc
1425         (Output_section_element_assignment::set_section_addresses): Pass
1426         dot_section to set_if_absolute.
1427         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
1428         as is_section_dot_assignment flag to eval_with_dot.
1429         (Output_section_element_dot_assignment::set_section_addresses):
1430         Likewise.
1431         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
1432         parameter.  Also set value if relative to dot_section; set the
1433         symbol's output_section.
1434         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
1435         parameter.  Adjust all callers.
1436         (Expression::eval_maybe_dot): Likewise.
1437         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
1438         Adjust all callers.
1439         * testsuite/script_test_2.t: Test assignment of an absolute value
1440         to dot within an output section element.
1441
1442 2011-10-31  Cary Coutant  <ccoutant@google.com>
1443
1444         * options.h (class General_options): Add --[no-]gnu-unique options.
1445         * symtab.cc (Symbol_table::sized_write_globals): Convert
1446         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
1447
1448 2011-10-31  Cary Coutant  <ccoutant@google.com>
1449
1450         PR gold/13359
1451         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
1452         unnecessary assertion.
1453         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
1454
1455 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
1456
1457         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1458         gc_mark_symbol.
1459         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
1460         gc_mark_symbol.
1461         Change to just keep the section associated with symbol.
1462         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
1463         they are externally visible and --export-dynamic is turned on.
1464         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
1465
1466 2011-10-19  Ian Lance Taylor  <iant@google.com>
1467
1468         PR gold/13163
1469         * script-sections.cc
1470         (Output_section_element_dot_assignment::needs_output_section): New
1471         function.
1472
1473 2011-10-19  Ian Lance Taylor  <iant@google.com>
1474
1475         PR gold/13204
1476         * layout.cc (Layout::segment_precedes): Don't assert failure if a
1477         --section-start option was seen.
1478         * options.h (General_options::any_section_start): New function.
1479
1480 2011-10-18  David S. Miller  <davem@davemloft.net>
1481
1482         PR binutils/13301
1483         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
1484         member to track relocation locations that have moved during TLS
1485         reloc optimizations.
1486         (Target_sparc::Relocate::Relocate): Initialize to NULL.
1487         (Target_sparc::Relocate::relocate): Adjust view down by 4
1488         bytes if it matches reloc_adjust_addr_.
1489         (Target_sparc::Relocate::relocate_tls): Always move the
1490         __tls_get_addr call delay slot instruction forward 4 bytes when
1491         performing relaxation.
1492
1493 2011-10-18  Cary Coutant  <ccoutant@google.com>
1494
1495         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
1496         (Output_file::map_no_anonymous): Check for non-zero
1497         return code from posix_fallocate.
1498
1499 2011-10-17  Cary Coutant  <ccoutant@google.com>
1500
1501         PR gold/13245
1502         * plugin.cc (is_visible_from_outside): Check for symbols
1503         referenced from dynamic objects.
1504         * resolve.cc (Symbol_table::resolve): Don't count references
1505         from dynamic objects as references from real ELF files.
1506         * testsuite/plugin_test_2.sh: Adjust expected result.
1507
1508 2011-10-17  Cary Coutant  <ccoutant@google.com>
1509
1510         * gold.cc: Include timer.h.
1511         (queue_middle_tasks): Stamp time.
1512         (queue_final_tasks): Likewise.
1513         * main.cc (main): Store timer in parameters.  Print timers
1514         for each pass.
1515         * parameters.cc (Parameters::Parameters): Initialize timer_.
1516         (Parameters::set_timer): New function.
1517         (set_parameters_timer): New function.
1518         * parameters.h (Parameters::set_timer): New function.
1519         (Parameters::timer): New function.
1520         (Parameters::timer_): New data member.
1521         (set_parameters_timer): New function.
1522         * timer.cc (Timer::stamp): New function.
1523         (Timer::get_pass_time): New function.
1524         * timer.h (Timer::stamp): New function.
1525         (Timer::get_pass_time): New function.
1526         (Timer::pass_times_): New data member.
1527
1528 2011-10-17  Cary Coutant  <ccoutant@google.com>
1529
1530         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
1531         task for members of lib groups.
1532
1533 2011-10-17  Cary Coutant  <ccoutant@google.com>
1534
1535         PR gold/13288
1536         * fileread.cc (File_read::find_view): Add assert.
1537         (File_read::make_view): Move bounds check (replace with assert)...
1538         (File_read::find_or_make_view): ... to here.
1539
1540 2011-10-12  Cary Coutant  <ccoutant@google.com>
1541
1542         * output.cc (Output_file::open_base_file): Handle case where
1543         ::read returns less than requested size.
1544
1545 2011-10-10  Cary Coutant  <ccoutant@google.com>
1546
1547         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
1548         Initialize defined_count_.
1549         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
1550         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
1551         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
1552         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
1553         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
1554         * incremental.h (Sized_relobj_incr::defined_count_): New data
1555         member.
1556         (Sized_incr_dynobj::defined_count_): New data member.
1557         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
1558         Return zeroes instead of internal error.
1559
1560 2011-10-10  Cary Coutant  <ccoutant@google.com>
1561
1562         PR gold/13249
1563         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
1564         (Output_reloc::symbol_value): Return PLT offset if flag is set.
1565         * output.h (class Output_reloc): Add use_plt_offset flag.
1566         (Output_reloc::type_): Adjust size of bit field.
1567         (Output_reloc::use_plt_offset_): New bit field.
1568         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
1569         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
1570         flag.  Adjust all callers.
1571         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
1572         creating RELATIVE relocations.
1573
1574 2011-10-10  Nick Clifton  <nickc@redhat.com>
1575
1576         * po/es.po: Updated Spanish translation.
1577         * po/fi.po: Updated Finnish translation.
1578
1579 2011-10-03   Diego Novillo  <dnovillo@google.com>
1580
1581         * options.cc (parse_uint): Fix dereference of RETVAL.
1582
1583 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
1584
1585         * layout.h (section_order_map_): New member.
1586         (get_section_order_map): New member function.
1587         * output.cc (Output_section::add_input_section): Check for patterns
1588         only when --section-ordering-file is specified.
1589         * gold.cc (queue_middle_tasks): Delay updating order of sections till
1590         output_sections have been formed.
1591         * layout.cc (Layout_Layout): Initialize section_order_map_.
1592         * plugin.cc (update_section_order): Store order in order_map. Do not
1593         update the order.
1594         * testsuite/Makefile.am: Add test case for plugin_final_layout.
1595         * testsuite/Makefile.in: Regenerate.
1596         * testsuite/plugin_section_order.c: New file.
1597         * testsuite/plugin_final_layout.cc: New file.
1598         * testsuite/plugin_final_layout.sh: New file.
1599
1600 2011-09-29  Cary Coutant  <ccoutant@google.com>
1601
1602         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1603         Check for NULL.
1604         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
1605         symbols during incremental update.
1606         (Symbol_table::add_from_dynobj): Likewise.
1607
1608 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
1609             Ian Lance Taylor  <iant@google.com>
1610
1611         * symtab.cc (Symbol_table::define_special_symbol): Always
1612         canonicalize version string.
1613
1614 2011-09-26  Cary Coutant  <ccoutant@google.com>
1615
1616         * gold.cc (queue_initial_tasks): Move option checks ...
1617         * options.cc (General_options::finalize): ... to here. Disable
1618         some options; make others fatal.
1619
1620 2011-09-26  Cary Coutant  <ccoutant@google.com>
1621
1622         gcc PR lto/47247
1623         * plugin.cc (get_symbols_v2): New function.
1624         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
1625         (is_referenced_from_outside): New function.
1626         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
1627         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
1628         (get_symbols): Pass version parameter.
1629         (get_symbols_v2): New function.
1630         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
1631         parameter.
1632         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
1633         (onload): Add LDPT_GET_SYMBOLS_V2.
1634         (all_symbols_read_hook): Use get_symbols_v2; check for
1635         LDPR_PREVAILING_DEF_IRONLY_EXP.
1636         * testsuite/plugin_test_3.sh: Update expected results.
1637
1638 2011-09-23  Simon Baldwin  <simonb@google.com>
1639
1640         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
1641         configuration options.
1642         * configure: Regenerate.
1643         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
1644         * Makefile.in: Regenerate.
1645         * testsuite/Makefile.in: Regenerate.
1646
1647 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
1648
1649         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
1650
1651 2011-09-19  Cary Coutant  <ccoutant@google.com>
1652
1653         * incremental.cc (can_incremental_update): Fix typo in comment.
1654         * incremental.h (can_incremental_update): Likewise.
1655
1656 2011-09-18  Cary Coutant  <ccoutant@google.com>
1657
1658         * incremental.cc (can_incremental_update): New function.
1659         * incremental.h (can_incremental_update): New function.
1660         * layout.cc (Layout::init_fixed_output_section): Call it.
1661         (Layout::make_output_section): Don't allow patch space in .eh_frame.
1662         * object.cc (Sized_relobj_file::do_layout): Call
1663         can_incremental_update.
1664
1665 2011-09-13  Cary Coutant  <ccoutant@google.com>
1666
1667         * configure.ac: Check for glibc support for gnu_indirect_function
1668         support with static linking, setting automake conditional
1669         IFUNC_STATIC.
1670         * Makefile.in: Regenerate.
1671         * configure: Regenerate.
1672
1673         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
1674         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
1675         for IFUNC_STATIC.
1676         * testsuite/Makefile.in: Regenerate.
1677
1678 2011-09-13  Cary Coutant  <ccoutant@google.com>
1679
1680         * incremental.cc (Sized_relobj_incr::do_layout): Call
1681         report_comdat_group for kept comdat sections.
1682         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
1683         * testsuite/Makefile.in: Regenerate.
1684         * testsuite/incr_comdat_test_1.cc: New source file.
1685         * testsuite/incr_comdat_test_2_v1.cc: New source file.
1686         * testsuite/incr_comdat_test_2_v2.cc: New source file.
1687         * testsuite/incr_comdat_test_2_v3.cc: New source file.
1688
1689 2011-09-13  Ian Lance Taylor  <iant@google.com>
1690
1691         * object.cc (Sized_relobj_file::do_layout): Remove unused local
1692         variable external_symbols_offset.
1693
1694 2011-09-12  Ian Lance Taylor  <iant@google.com>
1695
1696         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
1697         triggered if object has no symbols.
1698
1699 2011-09-09  David S. Miller  <davem@davemloft.net>
1700
1701         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
1702         (Output_fill_debug_line::do_write): Likewise.
1703
1704 2011-08-29  Cary Coutant  <ccoutant@google.com>
1705
1706         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
1707         casts to match formatting specs.
1708         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
1709
1710 2011-08-26  Cary Coutant  <ccoutant@google.com>
1711
1712         * layout.cc (Free_list::allocate): Provide guarantee of minimum
1713         remaining hole size when allocating.
1714         (Layout::make_output_section): Set fill methods for debug sections.
1715         * layout.h (Free_list::Free_list_node): Move from private to
1716         public.
1717         (Free_list::set_min_hole_size): New function.
1718         (Free_list::begin, Free_list::end): New functions.
1719         (Free_list::min_hole_): New data member.
1720         * output.cc: Include dwarf.h.
1721         (Output_fill_debug_info::do_minimum_hole_size): New function.
1722         (Output_fill_debug_info::do_write): New function.
1723         (Output_fill_debug_line::do_minimum_hole_size): New function.
1724         (Output_fill_debug_line::do_write): New function.
1725         (Output_section::Output_section): Initialize new data member.
1726         (Output_section::set_final_data_size): Ensure patch space is larger
1727         than minimum hole size.
1728         (Output_section::do_write): Fill holes in debug sections.
1729         * output.h (Output_fill): New class.
1730         (Output_fill_debug_info): New class.
1731         (Output_fill_debug_line): New class.
1732         (Output_section::set_free_space_fill): New function.
1733         (Output_section::free_space_fill_): New data member.
1734         * testsuite/Makefile.am (incremental_test_3): Add
1735         --incremental-patch option.
1736         (incremental_test_4): Likewise.
1737         (incremental_test_5): Likewise.
1738         (incremental_test_6): Likewise.
1739         (incremental_copy_test): Likewise.
1740         (incremental_common_test_1): Likewise.
1741         * testsuite/Makefile.in: Regenerate.
1742
1743 2011-08-26  Nick Clifton  <nickc@redhat.com>
1744
1745         * po/es.po: Updated Spanish translation.
1746
1747 2011-08-01  Cary Coutant  <ccoutant@google.com>
1748
1749         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
1750         * gold/testsuite/Makefile.in: Regenerate.
1751         * gold/testsuite/justsyms_exec.c: New source file.
1752         * gold/testsuite/justsyms_lib.c: New source file.
1753
1754 2011-08-01  Cary Coutant  <ccoutant@google.com>
1755
1756         * layout.cc (Layout::set_segment_offsets): Don't realign text
1757         segment if -Ttext was specified.
1758         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
1759         file type.
1760         * object.h (Sized_relobj_file::e_type): New function.
1761         (Sized_relobj_file::e_type_): New data member.
1762         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
1763         base address for ET_EXEC files.
1764         * target.cc (Target::do_make_elf_object_implementation): Allow
1765         ET_EXEC files with --just-symbols option.
1766
1767 2011-07-28  Cary Coutant  <ccoutant@google.com>
1768
1769         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
1770         Add thread_number parameter.
1771         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
1772         * workqueue-threads.cc
1773         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
1774         current thread if its thread number is greater than desired thread
1775         count.
1776         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
1777         Add thread_number parameter.
1778         (Workqueue::should_cancel_thread): Likewise.
1779         (Workqueue::find_runnable_or_wait): Pass thread_number to
1780         should_cancel_thread.
1781         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
1782         parameter.
1783
1784 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
1785
1786         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
1787         only after checking if it cannot be forced local.
1788         * symtab.h (is_externally_visible): Check if the symbol is not forced
1789         local.
1790
1791 2011-07-15  Ian Lance Taylor  <iant@google.com>
1792
1793         * options.h (class General_options): Add --print-output-format.
1794         Move -EL next to -EB, for  better --help output.
1795         * target-select.cc: Include <cstdio>, "options.h", and
1796         "parameters.h".
1797         (Target_selector::do_target_bfd_name): New function.
1798         (print_output_format): New function.
1799         * target-select.h (class Target_selector): Update declarations.
1800         (Target_selector::target_bfd_name): New function.
1801         (print_output_format): Declare.
1802         * main.cc: Include "target-select.h".
1803         (main): Handle --print-output-format.
1804         * gold.cc: Include "target-select.h".
1805         (queue_initial_tasks): Handle --print-output-format when there are
1806         no input files.
1807         * parameters.cc (parameters_force_valid_target): Give a better
1808         error message if -EB/-EL does not match target.
1809         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
1810         function.
1811
1812 2011-07-15  Ian Lance Taylor  <iant@google.com>
1813
1814         * i386.cc (class Output_data_plt_i386): Add layout_ field.
1815         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
1816         (Output_data_plt_i386::do_write): Write address of .dynamic
1817         section to first entry in .got.plt section.
1818         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
1819         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
1820         Initialize layout_.
1821         (Output_data_plt_x86_64::do_write): Write address of .dynamic
1822         section to first entry in .got.plt section.
1823         * layout.h (Layout::dynamic_section): New function.
1824
1825 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
1826
1827         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
1828         to claim_file call.
1829         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
1830         input_section_position_, and input_section_glob_.
1831         (read_layout_from_file): Call function section_ordering_specified.
1832         * layout.h (is_section_ordering_specified): New function.
1833         (section_ordering_specified): New function.
1834         (section_ordering_specified_): New boolean member.
1835         * main.cc(main): Call load_plugins after layout object is defined.
1836         * output.cc (Output_section::add_input_section): Use
1837         function section_ordering_specified to check if section ordering is
1838         needed.
1839         * output.cc (Output_section::add_relaxed_input_section): Use
1840         function section_ordering_specified to check if section ordering is
1841         needed.
1842         (Output_section::update_section_layout): New function.
1843         (Output_section::sort_attached_input_sections): Check if input section
1844         must be reordered.
1845         * output.h (Output_section::update_section_layout): New function.
1846         * plugin.cc (get_section_count): New function.
1847         (get_section_type): New function.
1848         (get_section_name): New function.
1849         (get_section_contents): New function.
1850         (update_section_order): New function.
1851         (allow_section_ordering): New function.
1852         (Plugin::load): Add the new interfaces to the transfer vector.
1853         (Plugin_manager::load_plugins): New parameter.
1854         (Plugin_manager::all_symbols_read): New parameter.
1855         (Plugin_manager::claim_file): New parameter. Save the elf object for
1856         unclaimed objects.
1857         (Plugin_manager::get_elf_object): New function.
1858         (Plugin_manager::get_view): Change to directly use the bool to check
1859         if get_view is called from claim_file_hook.
1860         * plugin.h (input_objects): New function
1861         (Plugin__manager::load_plugins): New parameter.
1862         (Plugin_manager::claim_file): New parameter.
1863         (Plugin_manager::get_elf_object): New function.
1864         (Plugin_manager::in_claim_file_handler): New function.
1865         (Plugin_manager::in_claim_file_handler_): New member.
1866         (layout): New function.
1867         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
1868         handler with an extra parameter. Make the elf object before calling
1869         claim_file handler.
1870         * testsuite/plugin_test.c (get_section_count): New function pointer.
1871         (get_section_type): New function pointer.
1872         (get_section_name): New function pointer.
1873         (get_section_contents): New function pointer.
1874         (update_section_order): New function pointer.
1875         (allow_section_ordering): New function pointer.
1876         (onload): Check if the new interfaces exist.
1877
1878 2011-07-13  Ian Lance Taylor  <iant@google.com>
1879
1880         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
1881         relro section.
1882         * x86_64.cc (Target_x86_64::got_section): Likewise.
1883         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
1884         (relro_now_test_SOURCES): New variable.
1885         (relro_now_test_DEPENDENCIES): New variable.
1886         (relro_now_test_LDFLAGS): New variable.
1887         (relro_now_test_LDADD): New variable.
1888         (relro_now_test.so): New target.
1889         * testsuite/Makefile.in: Rebuild.
1890
1891 2011-07-12  Ian Lance Taylor  <iant@google.com>
1892
1893         PR gold/12980
1894         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
1895         GLOB_DAT relocation rather than a RELATIVE relocation for a
1896         protected symbol when creating a shared library.
1897         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1898         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
1899         * testsuite/protected_main_1.cc (main): Test that protected
1900         function has same address.
1901
1902 2011-07-11  Ian Lance Taylor  <iant@google.com>
1903
1904         PR gold/12979
1905         * options.h (class General_options): Add -Bgroup.
1906         * options.cc (General_options::finalize): If -Bgroup is set,
1907         default to --unresolved-symbols=report-all.
1908         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
1909         * target-reloc.h (issue_undefined_symbol_error): Handle
1910         --unresolved-symbols=report-all.
1911
1912 2011-07-08  Ian Lance Taylor  <iant@google.com>
1913
1914         PR gold/11985
1915         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
1916         if linker script discards key sections.
1917         (Layout::create_dynamic_symtab): Likewise.
1918         (Layout::assign_local_dynsym_offsets): Likewise.
1919         (Layout::sized_create_version_sections): Likewise.
1920         (Layout::create_interp): Likewise.
1921         (Layout::finish_dynamic_section): Likewise.
1922         (Layout::set_dynamic_symbol_size): Likewise.
1923
1924 2011-07-08  Ian Lance Taylor  <iant@google.com>
1925
1926         PR gold/12386
1927         * options.h (class General_options): Add --unresolved-symbols.
1928         * target-reloc.h (issue_undefined_symbol_error): Check
1929         --unresolved-symbols.  Add comments.
1930
1931 2011-07-08  Ian Lance Taylor  <iant@google.com>
1932
1933         * testsuite/odr_violation2.cc (Ordering::operator()): Make
1934         expression more complex.
1935
1936 2011-07-08  Ian Lance Taylor  <iant@google.com>
1937
1938         PR gold/11317
1939         * target-reloc.h (issue_undefined_symbol_error): New inline
1940         function, broken out of relocate_section.
1941         (relocate_section): Call issue_undefined_symbol_error.
1942         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1943         there is no TLS segment if we are about to issue an undefined
1944         symbol error.
1945         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1946
1947 2011-07-08  Ian Lance Taylor  <iant@google.com>
1948
1949         PR gold/12279
1950         * resolve.cc (Symbol_table::should_override): Add fromtype
1951         parameter.  Change all callers.  Give error when linking together
1952         TLS and non-TLS symbol.
1953         (Symbol_table::should_override_with_special): Add fromtype
1954         parameter.  Change all callers.
1955         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
1956         there is no TLS segment if we have reported some errors.
1957         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
1958
1959 2011-07-08  Ian Lance Taylor  <iant@google.com>
1960
1961         PR gold/12372
1962         * target.h (Target::plt_address_for_global): New function.
1963         (Target::plt_address_for_local): New function.
1964         (Target::plt_section_for_global): Remove.
1965         (Target::plt_section_for_local): Remove.
1966         (Target::do_plt_address_for_global): New virtual function.
1967         (Target::do_plt_address_for_local): New virtual function.
1968         (Target::do_plt_section_for_global): Remove.
1969         (Target::do_plt_section_for_local): Remove.
1970         (Target::register_global_plt_entry): Add Symbol_table and Layout
1971         parameters.
1972         * output.cc (Output_data_got::Got_entry::write): Use
1973         plt_address_for_global and plt_address_for_local.
1974         * layout.cc (Layout::add_target_dynamic_tags): Use size and
1975         address of output section.
1976         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
1977         got_irelative_, and irelative_count_ fields.  Update
1978         declarations.
1979         (Output_data_plt_i386::has_irelative_section): New function.
1980         (Output_data_plt_i386::entry_count): Add irelative_count_.
1981         (Output_data_plt_i386::set_final_data_size): Likewise.
1982         (class Target_i386): Add got_irelative_ and rel_irelative_
1983         fields.  Update declarations.
1984         (Target_i386::Target_i386): Initialize new fields.
1985         (Target_i386::do_plt_address_for_global): New function replacing
1986         do_plt_section_for_global.
1987         (Target_i386::do_plt_address_for_local): New function replacing
1988         do_plt_section_for_local.
1989         (Target_i386::got_section): Create got_irelative_.
1990         (Target_i386::rel_irelative_section): New function.
1991         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
1992         fields.  Don't define __rel_iplt_{start,end}.
1993         (Output_data_plt_i386::add_entry): Add symtab and layout
1994         parameters.  Change all callers.  Use different PLT and GOT for
1995         IFUNC symbols.
1996         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
1997         layout parameters.  Change all callers.  Use different PLT and
1998         GOT.
1999         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2000         (Output_data_plt_i386::rel_irelative): New function.
2001         (Output_data_plt_i386::address_for_global): New function.
2002         (Output_data_plt_i386::address_for_local): New function.
2003         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2004         IRELATIVE GOT when changing IFUNC GOT entries.
2005         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2006         reloc.
2007         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2008         if we didn't create an IRELATIVE GOT.
2009         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2010         plt_address_for_local.
2011         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2012         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2013         got_irelative_, and irelative_count_ fields.  Update
2014         declarations.
2015         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2016         Initialize new fields.  Remove symtab parameter.  Change all
2017         callers.
2018         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2019         irelative_count_.
2020         (Output_data_plt_x86_64::has_irelative_section): New function.
2021         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2022         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2023         fields.  Update declarations.
2024         (Target_x86_64::Target_x86_64): Initialize new fields.
2025         (Target_x86_64::do_plt_address_for_global): New function replacing
2026         do_plt_section_for_global.
2027         (Target_x86_64::do_plt_address_for_local): New function replacing
2028         do_plt_section_for_local.
2029         (Target_x86_64::got_section): Create got_irelative_.
2030         (Target_x86_64::rela_irelative_section): New function.
2031         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2032         all callers.  Don't create __rel_iplt_{start,end}.
2033         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2034         parameters.  Change all callers.  Use different PLT and GOT for
2035         IFUNC symbols.
2036         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2037         layout parameters.  Change all callers.  Use different PLT and
2038         GOT.
2039         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2040         parameters.  Change all callers.  Use different PLT and GOT for
2041         IFUNC symbols.
2042         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2043         (Output_data_plt_x86_64::rela_irelative): New function.
2044         (Output_data_plt_x86_64::address_for_global): New function.
2045         (Output_data_plt_x86_64::address_for_local): New function.
2046         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2047         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2048         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2049         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2050         parameters.
2051         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2052         reloc.
2053         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2054         symbols if we didn't create an IRELATIVE GOT.
2055         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2056         plt_address_for_local.
2057         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2058         * testsuite/ifuncvar1.c: New test file.
2059         * testsuite/ifuncvar2.c: New test file.
2060         * testsuite/ifuncvar3.c: New test file.
2061         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2062         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2063         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2064         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2065         * testsuite/Makefile.in: Rebuild.
2066
2067 2011-07-07  Cary Coutant  <ccoutant@google.com>
2068
2069         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2070         (two_file_test_1_ndebug.o): Likewise.
2071         (two_file_test_1b_ndebug.o): Likewise.
2072         (two_file_test_2_ndebug.o): Likewise.
2073         (two_file_test_main_ndebug.o): Likewise.
2074         (incremental_test_2): Link with no-debug versions.
2075
2076 2011-07-06  Cary Coutant  <ccoutant@google.com>
2077
2078         * gold/incremental.cc
2079         (Output_section_incremental_inputs::write_info_blocks): Check for
2080         hidden and internal symbols.
2081
2082 2011-07-06  Cary Coutant  <ccoutant@google.com>
2083
2084         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2085         Check disposition for startup file.
2086         (Incremental_inputs::report_command_line): Ignore
2087         --incremental-startup-unchanged option.
2088         * options.cc (General_options::parse_incremental_startup_unchanged):
2089         New function.
2090         (General_options::General_options): Initialize new data member.
2091         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2092         (General_options): Add --incremental-startup-unchanged option.
2093         (General_options::incremental_startup_disposition): New function.
2094         (General_options::incremental_startup_disposition_): New data member.
2095
2096 2011-07-06  Cary Coutant  <ccoutant@google.com>
2097
2098         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2099         input file index to Script_info ctor.
2100         (Sized_incremental_binary::do_file_has_changed): Find the
2101         command-line argument for files named in scripts.
2102         * incremental.h (Script_info::Script_info): New ctor
2103         with input file index.
2104         (Script_info::input_file_index): New function.
2105         (Script_info::input_file_index_): New data member.
2106         (Incremental_binary::get_library): Add const.
2107         (Incremental_binary::get_script_info): Add const.
2108         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2109         * testsuite/Makefile.am (incremental_test_5): New test case.
2110         (incremental_test_6): New test case.
2111         * testsuite/Makefile.in: Regenerate.
2112
2113 2011-07-06  Cary Coutant  <ccoutant@google.com>
2114
2115         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2116         debug output when command lines differ.
2117
2118 2011-07-06  Cary Coutant  <ccoutant@google.com>
2119
2120         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2121         --incremental-patch option.
2122         * layout.cc (Free_list::allocate): Extend allocation beyond original
2123         end if enabled.
2124         (Layout::make_output_section): Mark sections that should get
2125         patch space.
2126         * options.cc (parse_percent): New function.
2127         * options.h (parse_percent): New function.
2128         (DEFINE_percent): New macro.
2129         (General_options): Add --incremental-patch option.
2130         * output.cc (Output_section::Output_section): Initialize new data
2131         members.
2132         (Output_section::add_input_section): Print section name when out
2133         of patch space.
2134         (Output_section::add_output_section_data): Likewise.
2135         (Output_section::set_final_data_size): Add patch space when
2136         doing --incremental-full.
2137         (Output_section::do_reset_address_and_file_offset): Remove patch
2138         space.
2139         (Output_segment::set_section_list_addresses): Print debug output
2140         only if --incremental-update.
2141         * output.h (Output_section::set_is_patch_space_allowed): New function.
2142         (Output_section::is_patch_space_allowed_): New data member.
2143         (Output_section::patch_space_): New data member.
2144         * parameters.cc (Parameters::incremental_full): New function.
2145         * parameters.h (Parameters::incremental_full): New function
2146         * testsuite/Makefile.am (incremental_test_2): Add test for
2147         --incremental-patch option.
2148         * testsuite/Makefile.in: Regenerate.
2149         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2150         (t18): Remove function body.
2151
2152 2011-07-05  Doug Kwan  <dougkwan@google.com>
2153
2154         PR gold/12771
2155         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2156         Arm_Address type for relocation result.
2157         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2158         overflow check.
2159         (Arm_relocate_functions::abs32): Use unaligned access.
2160         (Arm_relocate_functions::rel32): Ditto.
2161         (Arm_relocate_functions::prel31): Ditto.
2162         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2163         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2164         static data relocations.
2165         * testsuite/Makefile.in: Regnerate.
2166         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2167
2168 2011-07-05  Ian Lance Taylor  <iant@google.com>
2169
2170         PR gold/12392
2171         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2172         symbols if necessary.
2173         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2174
2175 2011-07-05  Ian Lance Taylor  <iant@google.com>
2176
2177         PR gold/12952
2178         * resolve.cc (Symbol::override_base_with_special): Simply override
2179         version with special symbol version, ignoring previous version.
2180
2181 2011-07-05  Ian Lance Taylor  <iant@google.com>
2182
2183         * object.cc (Sized_relobj_file::include_section_group): Add
2184         information to comment about signature location.
2185
2186 2011-07-02  Ian Lance Taylor  <iant@google.com>
2187
2188         PR gold/12957
2189         * options.h (class General_options): Add -f and -F.
2190         * options.cc (General_options::finalize): Fatal error if -f/-F
2191         are used without -shared.
2192         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2193
2194 2011-07-02  Ian Lance Taylor  <iant@google.com>
2195
2196         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2197
2198 2011-07-01  Ian Lance Taylor  <iant@google.com>
2199
2200         PR gold/12525
2201         PR gold/12952
2202         * resolve.cc (Symbol::override_base_with_special): Don't override
2203         the version if the overriding symbol has a different name.
2204         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2205         all callers.  If we give an error about an undefined version,
2206         define the base version if necessary.
2207         * dynobj.h (class Versions): Update declaration.
2208         * testsuite/weak_alias_test_5.cc: New file.
2209         * testsuite/weak_alias_test.script: New file.
2210         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2211         and versioned_alias have the right value, and call t2.
2212         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2213         weak_alias_test_5.so.
2214         (weak_alias_test_LDADD): Likewise.
2215         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2216         * testsuite/Makefile.in: Rebuild.
2217
2218 2011-07-01  Ian Lance Taylor  <iant@google.com>
2219
2220         PR gold/12525
2221         * options.h (class General_options): Support -z notext.
2222         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2223         -Wl,-z,notext.
2224         (two_file_shared_nonpic.so): Likewise.
2225         (two_file_shared_mixed.so): Likewise.
2226         (two_file_shared_mixed_1.so): Likewise.
2227         (weak_undef_lib_nonpic.so): Likewise.
2228         (alt/weak_undef_lib_nonpic.so): Likewise.
2229         (tls_test_shared_nonpic.so): Likewise.
2230         * testsuite/Makefile.in: Rebuild.
2231
2232 2011-07-01  Ian Lance Taylor  <iant@google.com>
2233
2234         PR gold/12525
2235         * configure.ac: Test whether static linking works, setting
2236         the automake conditional HAVE_STATIC.
2237         * testsuite/Makefile.am: Disable tests using -static if
2238         HAVE_STATIC is not true.
2239         * configure, testsuite/Makefile.in: Rebuild.
2240
2241 2011-07-01  Ian Lance Taylor  <iant@google.com>
2242
2243         PR gold/12525
2244         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2245         Assert if we see DW_EH_PE_indirect.
2246         * target.h (Target::ehframe_datarel_base): New function.
2247         (Target::do_ehframe_datarel_base): New target function.
2248         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2249         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2250         function.
2251
2252 2011-07-01  Ian Lance Taylor  <iant@google.com>
2253
2254         PR gold/12571
2255         * options.h (class General_options): Add
2256         --ld-generated-unwind-info.
2257         * ehframe.cc (Fde::write): Add address parameter.  Change all
2258         callers.  If associated with PLT, fill in address and size.
2259         (Cie::set_output_offset): Only add merge mapping if there is an
2260         object.
2261         (Cie::write): Add address parameter.  Change all callers.
2262         (Eh_frame::add_ehframe_for_plt): New function.
2263         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2264         input_offset_ fields into union u_, with new plt field.
2265         (Fde::Fde): Adjust for new union field.
2266         (Fde::Fde) [Output_data version]: New constructor.
2267         (Fde::add_mapping): Only add merge mapping if there is an object.
2268         (class Cie): Update declarations.
2269         (class Eh_frame): Declare add_ehframe_for_plt.
2270         * layout.cc (Layout::layout_eh_frame): Break out code into
2271         make_eh_frame_section, and call it.
2272         (Layout::make_eh_frame_section): New function.
2273         (Layout::add_eh_frame_for_plt): New function.
2274         * layout.h (class Layout): Update declarations.
2275         * merge.cc (Merge_map::add_mapping): Add assertion.
2276         * i386.cc: Include "dwarf.h".
2277         (class Output_data_plt_i386): Make first_plt_entry,
2278         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2279         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2280         and plt_eh_frame_fde.
2281         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2282         boundary.  Call add_eh_frame_for_plt if appropriate.
2283         * x86_64.cc: Include "dwarf.h".
2284         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2285         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2286         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2287         and plt_eh_frame_fde.
2288         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2289         appropriate.
2290
2291 2011-06-29  Ian Lance Taylor  <iant@google.com>
2292
2293         PR gold/12629
2294         * object.cc (Sized_relobj_file::layout_section): Change shdr
2295         parameter to be const.
2296         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2297         out of do_layout.
2298         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2299         appropriate.  Call layout_eh_frame_section.
2300         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2301         sections.
2302         * object.h (class Sized_relobj_file): Update declarations.
2303
2304 2011-06-29  Ian Lance Taylor  <iant@google.com>
2305
2306         PR gold/12652
2307         * script.cc (Token::integer_value): Accept trailing M/m/K/k
2308         modifier.
2309         (Lex::gather_token): Accept trailing M/m/K/k for integers.
2310
2311 2011-06-29  Ian Lance Taylor  <iant@google.com>
2312
2313         PR gold/12675
2314         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
2315         SHT_X86_64_UNWIND.
2316         * layout.cc (Layout::layout_eh_frame): Likewise.
2317
2318 2011-06-29  Ian Lance Taylor  <iant@google.com>
2319
2320         PR gold/12695
2321         * layout.cc (Layout::symtab_section_shndx): New function.
2322         * layout.h (class Layout): Declare symtab_section_shndx.
2323         * output.cc (Output_section::write_header): Call it.
2324
2325 2011-06-29  Ian Lance Taylor  <iant@google.com>
2326
2327         PR gold/12818
2328         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
2329         symbols which are not used in a relocation.
2330
2331 2011-06-28  Ian Lance Taylor  <iant@google.com>
2332
2333         PR gold/12898
2334         * layout.cc (Layout::segment_precedes): Don't crash if a linker
2335         script create indistinguishable segments.
2336         (Layout::set_segment_offsets): Use stable_sort when sorting
2337         segments.  Pass this to Compare_segments constructor.
2338         * layout.h (class Layout): Make segment_precedes non-static.
2339         (class Compare_segments): Change from struct to class.  Add
2340         layout_ field.  Add constructor.
2341         * script-sections.cc
2342         (Script_sections::attach_sections_using_phdrs_clause): Rename
2343         local orphan to is_orphan.  Don't report failure to put empty
2344         section in segment.  On attachment failure, report name of
2345         section, and attach to first PT_LOAD segment.
2346
2347 2011-06-28  Ian Lance Taylor  <iant@google.com>
2348
2349         PR gold/12934
2350         * target-select.cc (Target_selector::Target_selector): Add
2351         emulation parameter.  Change all callers.
2352         (select_target_by_bfd_name): Rename from select_target_by_name.
2353         Change all callers.
2354         (select_target_by_emulation): New function.
2355         (supported_emulation_names): New function.
2356         * target-select.h (class Target_selector): Add emulation_ field.
2357         Update declarations.
2358         (Target_selector::recognize_by_bfd_name): Rename from
2359         recognize_by_name.  Change all callers.
2360         (Target_selector::supported_bfd_names): Rename from
2361         supported_names.  Change all callers.
2362         (Target_selector::recognize_by_emulation): New function.
2363         (Target_selector::supported_emulations): New function.
2364         (Target_selector::emulation): New function.
2365         (Target_selector::do_recognize_by_bfd_name): Rename from
2366         do_recognize_by_name.  Change all callers.
2367         (Target_selector::do_supported_bfd_names): Rename from
2368         do_supported_names.  Change all callers.
2369         (Target_selector::do_recognize_by_emulation): New function.
2370         (Target_selector::do_supported_emulations): New function.
2371         (select_target_by_bfd_name): Change name in declaration.
2372         (select_target_by_emulation): Declare.
2373         (supported_emulation_names): Declare.
2374         * parameters.cc (parameters_force_valid_target): Try to find
2375         target based on emulation from -m option.
2376         * options.h (class General_options): Change doc string for -m.
2377         * options.cc (help): Print emulations.
2378         (General_options::parse_V): Likewise.
2379         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
2380         Add emulation parameter.  Change all callers.
2381
2382 2011-06-28  Ian Lance Taylor  <iant@google.com>
2383
2384         * target.h (class Target): Add osabi_ field.
2385         (Target::osabi): New function.
2386         (Target::set_osabi): New function.
2387         (Target::Target): Initialize osabi_.
2388         (Target::do_adjust_elf_header): Make pure virtual.
2389         (Sized_target::do_adjust_elf_header): Declare.
2390         * target.cc (Sized_target::do_adjust_elf_header): New function.
2391         (class Sized_target): Instantiate all versions.
2392         * freebsd.h (class Target_freebsd): Remove.
2393         (Target_selector_freebsd::do_recognize): Call set_osabi on
2394         Target.
2395         (Target_selector_freebsd::do_recognize_by_name): Likewise.
2396         (Target_selector_freebsd::set_osabi): Remove.
2397         * i386.cc (class Target_i386): Inherit from Sized_target rather
2398         than Target_freebsd.
2399         * x86_64.cc (class Target_x86_64): Likewise.
2400
2401 2011-06-28  Ian Lance Taylor  <iant@google.com>
2402
2403         * target.h (Target::can_check_for_function_pointers): Rewrite.
2404         Make non-virtual.
2405         (Target::can_icf_inline_merge_sections): Likewise.
2406         (Target::section_may_have_icf_unsafe_poineters): Likewise.
2407         (Target::Target_info): Add can_icf_inline_merge_sections field.
2408         (Target::do_can_check_for_function_pointers): New virtual
2409         function.
2410         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
2411         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
2412         from can_check_for_function_pointers, move in file.
2413         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
2414         section_may_have_icf_unsafe_poineters, move in file.
2415         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
2416         * i386.cc (Target_i386::do_can_check_for_function_pointers):
2417         Rename from can_check_for_function_pointers, move in file.
2418         (Target_i386::can_icf_inline_merge_sections): Remove.
2419         (Target_i386::i386_info): Initialize
2420         can_icf_inline_merge_sections.
2421         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2422         Initialize can_icf_inline_merge_sections.
2423         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
2424         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
2425         Rename from can_check_for_function_pointers, move in file.
2426         (Target_x86_64::can_icf_inline_merge_sections): Remove.
2427         (Target_x86_64::x86_64_info): Initialize
2428         can_icf_inline_merge_sections.
2429         * testsuite/testfile.cc (Target_test::test_target_info):
2430         Likewise.
2431         * icf.cc (get_section_contents): Correct formatting.
2432
2433 2011-06-27  Ian Lance Taylor  <iant@google.com>
2434
2435         * symtab.cc (Symbol::versioned_name): New function.
2436         (Symbol_table::add_to_final_symtab): Use versioned_name when
2437         appropriate.
2438         (Symbol_table::sized_write_symbol): Likewise.
2439         * symtab.h (class Symbol): Declare versioned_name.
2440         * stringpool.h (class Stringpool_template): Add variant of add
2441         which takes a std::basic_string.
2442         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
2443         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
2444         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
2445         (ver_test_12.o): New target.
2446         * testsuite/Makefile.in: Rebuild.
2447
2448 2011-06-27  Doug Kwan  <dougkwan@google.com>
2449
2450         * arm.cc (Arm_relocate_functions::thm_jump8,
2451         Arm_relocate_functions::thm_jump11): Use a wider signed
2452         type to compute offset.
2453         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
2454         arm_thm_jump8.
2455         * testsuite/Makefile.in: Regenerate.
2456         * testsuite/arm_branch_in_range.sh: Check test results of
2457         arm_thm_jump11 and arm_thm_jump8.
2458         * testsuite/arm_thm_jump11.s: New test source file.
2459         * testsuite/arm_thm_jump11.t: New linker script.
2460         * testsuite/arm_thm_jump8.s: New test source file.
2461         * testsuite/arm_thm_jump8.t: New linker script.
2462
2463 2011-06-24  Ian Lance Taylor  <iant@google.com>
2464
2465         * layout.cc: Include "object.h".
2466         (ctors_sections_in_init_array): New static variable.
2467         (Layout::is_ctors_in_init_array): New function.
2468         (Layout::layout): Add entry to ctors_sections_in_init_array if
2469         appropriate.
2470         * layout.h (class Layout): Declare is_ctors_in_init_array.
2471         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
2472         is_ctors_reverse_view is set.
2473         (Sized_relobj_file::write_sections): Add layout parameter.  Change
2474         all callers.  Set is_ctors_reverse_view field of View_size.
2475         (Sized_relobj_file::reverse_words): New function.
2476         * object.h (Sized_relobj_file::View_size): Add
2477         is_ctors_reverse_view field.
2478         (class Sized_relobj_file): Update declarations.
2479         * testsuite/initpri3.c: New test.
2480         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
2481         initpri3b.
2482         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
2483         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
2484         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
2485         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
2486         * testsuite/Makefile.in: Rebuild.
2487
2488 2011-06-24  Cary Coutant  <ccoutant@google.com>
2489
2490         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
2491         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
2492         (debug_msg_cdebug.err): New targets.
2493         * testsuite/Makefile.in: Regenerate.
2494         * testsuite/debug_msg.sh: Check output of link with compressed debug.
2495         Fix checks for link with shared library.
2496
2497 2011-06-24  Doug Kwan  <dougkwan@google.com>
2498
2499         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
2500         skip empty text sections.
2501         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
2502
2503 2011-06-22  Ian Lance Taylor  <iant@google.com>
2504
2505         PR gold/12910
2506         * options.h (class General_options): Add --ctors-in-init-array.
2507         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
2508         friends as SHT_PROGBITS for merging sections.
2509         (Layout::layout): Remove special handling of .init_array and
2510         friends.  Don't sort if doing relocatable link.  Sort for .ctors
2511         and .dtors if ctors_in_init_array.
2512         (Layout::make_output_section): Force correct section types for
2513         .init_array and friends.  Don't sort if doing relocatable link,
2514         Don't sort .ctors and .dtors if ctors_in_init_array.
2515         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
2516         (Layout::output_section_name): Add relobj parameter.  Change all
2517         callers.  Handle .ctors. and .dtors. in code rather than table.
2518         Handle .ctors and .dtors if ctors_in_init_array.
2519         (Layout::match_file_name): New function, moved from output.cc.
2520         * layout.h (class Layout): Update declarations.
2521         * output.cc: Include "layout.h".
2522         (Input_section_sort_entry::get_priority): New function.
2523         (Input_section_sort_entry::match_file_name): Just call
2524         Layout::match_file_name.
2525         (Output_section::Input_section_sort_init_fini_compare::operator()):
2526         Handle .ctors and .dtors.  Sort by explicit priority rather than
2527         by name.
2528         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
2529         * testsuite/initpri2.c: New test.
2530         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
2531         (check_PROGRAMS): Add initpri2.
2532         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
2533         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
2534         * configure, testsuite/Makefile.in: Rebuild.
2535
2536 2011-06-19  Ian Lance Taylor  <iant@google.com>
2537
2538         PR gold/12880
2539         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
2540         .interp section to a PT_INTERP segment even if we have seen a
2541         --dynamic-linker option.  Don't do it if we have seen a PHDRS
2542         clause in a linker script.
2543         (Layout::finalize): Don't create a .interp section if we've
2544         already create a PT_INTERP segment.
2545         (Layout::create_interp): Always call choose_output_section (revert
2546         patch of 2011-06-17).  Don't create PT_INTERP segment.
2547         * script-sections.cc
2548         (Script_sections::create_note_and_tls_segments): Add a .interp
2549         section to a PT_INTERP segment even if we have seen a
2550         --dynamic-linker option.
2551
2552 2011-06-18  Ian Lance Taylor  <iant@google.com>
2553
2554         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
2555         merely because a non-PT_LOAD segment has a dynamic reloc.
2556
2557 2011-06-18  Ian Lance Taylor  <iant@google.com>
2558
2559         * layout.cc (Layout::finish_dynamic_section): Don't create
2560         DT_FLAGS entry if not needed.
2561
2562 2011-06-18  Ian Lance Taylor  <iant@google.com>
2563
2564         PR gold/12745
2565         * layout.cc (Layout::layout_eh_frame): Correct handling of
2566         writable .eh_frame section.
2567
2568 2011-06-17  Ian Lance Taylor  <iant@google.com>
2569
2570         PR gold/12893
2571         * resolve.cc (Symbol_table::resolve): Don't give an error if a
2572         symbol is redefined with the exact same object and value.
2573
2574 2011-06-17  Ian Lance Taylor  <iant@google.com>
2575
2576         PR gold/12880
2577         * layout.h (class Layout): Add interp_segment_ field.
2578         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
2579         (Layout::attach_allocated_section_to_segment): If making shared
2580         library, put .interp section in PT_INTERP segment.
2581         (Layout::finalize): Also call create_interp if -dynamic-linker
2582         option was used.
2583         (Layout::create_interp): Assert that there is no PT_INTERP
2584         segment.  If not using a SECTIONS clause, use make_output_section.
2585         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
2586         * script-sections.cc
2587         (Script_sections::create_note_and_tls_segments): If making shared
2588         library, put .interp section in PT_INTERP segment.
2589
2590 2011-06-17  Ian Lance Taylor  <iant@google.com>
2591
2592         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
2593         when making a shared library.
2594
2595 2011-06-17  Ian Lance Taylor  <iant@google.com>
2596
2597         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
2598         parameter.  Change all callers.  Don't issue warning about PC32
2599         against locally defined symbol.
2600
2601 2011-06-16  Ian Lance Taylor  <iant@google.com>
2602
2603         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
2604         occurs in same object.
2605
2606 2011-06-14  Alan Modra  <amodra@gmail.com>
2607
2608         * po/POTFILES.in: Regenerate.
2609
2610 2011-06-09  Ian Lance Taylor  <iant@google.com>
2611
2612         * script-sections.cc
2613         (Orphan_output_section::set_section_addresses): For a relocatable
2614         link set address to 0.
2615
2616 2011-06-09  Cary Coutant  <ccoutant@google.com>
2617
2618         PR gold/12804
2619         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
2620         used with --compress-debug-sections.
2621         * gold/object.cc (Sized_relobj_file::do_layout): Report
2622         uncompressed size of compressed input sections.
2623
2624 2011-06-08  Cary Coutant  <ccoutant@google.com>
2625
2626         PR gold/12804
2627         * testsuite/two_file_test_2_v1.cc: Change initialization of
2628         v2 to keep it in .data.
2629
2630 2011-06-07  Cary Coutant  <ccoutant@google.com>
2631
2632         * common.cc (Symbol_table::do_allocate_commons_list): Call
2633         gold_fallback.
2634         * errors.cc (Errors::fatal): Adjust call to gold_exit.
2635         (Errors::fallback): New function.
2636         (gold_fallback): New function.
2637         * errors.h (Errors::fallback): New function.
2638         * gold.cc (gold_exit): Change status parameter to enum; adjust
2639         all callers.
2640         (queue_initial_tasks): Call gold_fallback.
2641         * gold.h: Include cstdlib.
2642         (Exit_status): New enum type.
2643         (gold_exit): Change status parameter to enum.
2644         (gold_fallback): New function.
2645         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
2646         (Layout::create_symtab_sections): Likewise.
2647         (Layout::create_shdrs): Likewise.
2648         * main.cc (main): Adjust call to gold_exit.
2649         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
2650         (Output_data_got::add_got_entry_pair): Likewise.
2651         (Output_section::add_input_section): Likewise.
2652         (Output_section::add_output_section_data): Likewise.
2653         (Output_segment::set_section_list_addresses): Likewise.
2654         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
2655
2656 2011-06-07  Cary Coutant  <ccoutant@google.com>
2657
2658         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
2659         for incremental links.
2660         * output.cc (Output_segment::set_section_list_addresses): Remove
2661         FIXME and test for TLS or BSS.
2662
2663 2011-06-07  Cary Coutant  <ccoutant@google.com>
2664
2665         * testsuite/Makefile.am: Add incremental_copy_test,
2666         incremental_common_test_1.
2667         * testsuite/Makefile.in: Regenerate.
2668         * testsuite/common_test_1_v1.c: New source file.
2669         * testsuite/common_test_1_v2.c: New source file.
2670         * testsuite/copy_test_v1.cc: New source file.
2671
2672 2011-06-07  Cary Coutant  <ccoutant@google.com>
2673
2674         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
2675         update, allocate common from bss section's free list.
2676         * incremental-dump.cc (dump_incremental_inputs): Print flag for
2677         linker-defined symbols.
2678         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2679         Skip GOT and PLT entries that are no longer referenced.
2680         (Output_section_incremental_inputs::write_info_blocks): Mark
2681         linker-defined symbols.
2682         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
2683         * output.cc (Output_section::allocate): New function.
2684         * output.h (Output_section::allocate): New function.
2685         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
2686         linker-defined symbols.
2687         (Symbol::override_base_with_special): Copy is_predefined_ flag.
2688         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
2689         (Symbol::init_base_output_data): Likewise.
2690         (Symbol::init_base_output_segment): Likewise.
2691         (Symbol::init_base_constant): Likewise.
2692         (Sized_symbol::init_output_data): Likewise.
2693         (Sized_symbol::init_output_segment): Likewise.
2694         (Sized_symbol::init_constant): Likewise.
2695         (Symbol_table::do_define_in_output_data): Likewise.
2696         (Symbol_table::do_define_in_output_segment): Likewise.
2697         (Symbol_table::do_define_as_constant): Likewise.
2698         * symtab.h (Symbol::is_predefined): New function.
2699         (Symbol::init_base_output_data): Add is_predefined parameter.
2700         (Symbol::init_base_output_segment): Likewise.
2701         (Symbol::init_base_constant): Likewise.
2702         (Symbol::is_predefined_): New data member.
2703         (Sized_symbol::init_output_data): Add is_predefined parameter.
2704         (Sized_symbol::init_output_segment): Likewise.
2705         (Sized_symbol::init_constant): Likewise.
2706         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
2707
2708 2011-06-07  Cary Coutant  <ccoutant@google.com>
2709
2710         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
2711         instead of emit_copy_reloc.
2712         (Copy_relocs::emit_copy_reloc): Refactor.
2713         (Copy_relocs::make_copy_reloc): New function.
2714         (Copy_relocs::add_copy_reloc): Remove.
2715         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
2716         section.
2717         (Copy_relocs::make_copy_reloc): New function.
2718         (Copy_relocs::add_copy_reloc): Remove.
2719         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
2720         unchanged input files.
2721         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
2722         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
2723         Reserve BSS space for COPY relocations.
2724         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2725         (Output_section_incremental_inputs::write_info_blocks): Record
2726         whether a symbol is copied from a shared object.
2727         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
2728         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
2729         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
2730         (Incremental_input_entry_reader::get_output_symbol_index): Add
2731         is_copy parameter.
2732         (Incremental_binary::emit_copy_relocs): New function.
2733         (Incremental_binary::do_emit_copy_relocs): New function.
2734         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2735         new data member.
2736         (Sized_incremental_binary::add_copy_reloc): New function.
2737         (Sized_incremental_binary::do_emit_copy_relocs): New function.
2738         (Sized_incremental_binary::Copy_reloc): New struct.
2739         (Sized_incremental_binary::Copy_relocs): New typedef.
2740         (Sized_incremental_binary::copy_relocs_): New data member.
2741         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
2742         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
2743         * target.h (Sized_target::emit_copy_reloc): New function.
2744         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
2745
2746 2011-06-02  Cary Coutant  <ccoutant@google.com>
2747
2748         PR gold/12163
2749         * gold/archive.cc (Archive::Archive): Initialize new data member.
2750         (Archive::include_all_members): Return if archive has already been
2751         included.
2752         * gold/archive.h (Archive::include_all_members_): New data member.
2753
2754 2011-06-02  Nick Clifton  <nickc@redhat.com>
2755
2756         * dynobj.h: Fix spelling mistake in comment.
2757         * output.cc: Likewise.
2758
2759 2011-05-31  Doug Kwan  <dougkwan@google.com>
2760             Asier Llano
2761
2762         PR gold/12826
2763         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
2764         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
2765         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
2766         redundant arm_exidx_test.so.
2767         * testsuite/Makefile.in: Regenerate.
2768         (check_SCRIPTS): Add pr12826.sh
2769         (check_DATA): Add pr12826.stdout
2770         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
2771         * testsuite/pr12826.sh: New file.
2772         * testsuite/pr12826_1.s: Ditto.
2773         * testsuite/pr12826_1.s: Ditto.
2774
2775 2011-05-30  Ian Lance Taylor  <iant@google.com>
2776
2777         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
2778         sections.
2779
2780 2011-05-29  Ian Lance Taylor  <iant@google.com>
2781
2782         PR gold/12804
2783         * testsuite/Makefile.am: Use different file name for two_file_test
2784         temporary file for each incremental test.
2785         * testsuite/Makefile.in: Rebuild.
2786
2787 2011-05-29  Ian Lance Taylor  <iant@google.com>
2788
2789         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
2790         binary input file is empty.
2791
2792 2011-05-27  Ian Lance Taylor  <iant@google.com>
2793
2794         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
2795         (ver_test_9.so): Likewise.
2796         * testsuite/Makefile.in: Rebuild.
2797
2798 2011-05-26 Cary Coutant  <ccoutant@google.com>
2799
2800         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
2801         * incremental.cc (Incremental_inputs::report_input_section): Fix
2802         comment, indentation.
2803         (Incremental_inputs::report_comdat_group): New function.
2804         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2805         of data for incremental input file entry.
2806         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
2807         group count, COMDAT group signatures.
2808         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
2809         an unchanged input file.
2810         * incremental.h (Incremental_object_entry::Incremental_object_entry):
2811         Initialize new data member.
2812         (Incremental_object_entry::add_comdat_group): New function.
2813         (Incremental_object_entry::get_comdat_group_count): New function.
2814         (Incremental_object_entry::get_comdat_signature_key): New function.
2815         (Incremental_object_entry::groups_): New data member.
2816         (Incremental_inputs::report_comdat_group): New function.
2817         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
2818         data for incremental input file entry.
2819         (Incremental_input_entry_reader::get_comdat_group_count): New function.
2820         (Incremental_input_entry_reader::get_input_section): Adjust size of
2821         data for incremental input file entry.
2822         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
2823         (Incremental_input_entry_reader::get_comdat_group_signature): New
2824         function.
2825         * object.cc (Sized_relobj::include_section_group): Report kept
2826         COMDAT groups for incremental links.
2827
2828 2011-05-24  David Meyer  <pdox@google.com>
2829
2830         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
2831         with name parameter.  Add found_name parameter.
2832         * fileread.cc (Input_file::find_file): Adjust code accordingly.
2833         * dirsearch.h (class Dirsearch): Update declaration.
2834
2835 2011-05-24  Ian Lance Taylor  <iant@google.com>
2836
2837         * archive.cc (Library_base::should_include_member): Pull in object
2838         from archive if it defines the entry symbol.
2839         * parameters.cc (Parameters::entry): New function.
2840         * parameters.h (class Parameters): Declare entry.
2841         * output.h (class Output_file_header): Remove entry_ field.
2842         * output.cc (Output_file_header::Output_file_header): Remove entry
2843         parameter.  Change all callers.
2844         (Output_file_header::entry): Use parameters->entry.
2845         * gold.cc (queue_middle_tasks): Likewise.
2846         * plugin.cc (Plugin_hook::run): Likewise.
2847
2848 2011-05-24 Cary Coutant  <ccoutant@google.com>
2849
2850         * gold.cc (queue_initial_tasks): Pass incremental base filename
2851         to Output_file::open_base_file; don't print error message.
2852         * incremental-dump.cc (main): Adjust call to
2853         Output_file::open_for_modification.
2854         * incremental-dump.cc (main): Likewise.
2855         * incremental.cc (Incremental_inputs::report_command_line):
2856         Ignore --incremental-base option when comparing command lines.
2857         Ignore parameter when given as separate argument.
2858         * options.h (class General_options): Add --incremental-base.
2859         * output.cc (Output_file::Output_file):
2860         (Output_file::open_base_file): Add base_name and writable parameters;
2861         read base file into new file; print error message here.
2862         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2863         callers.
2864         * output.h (Output_file::open_for_modification): Rename to...
2865         (Output_file::open_base_file): ...this; add base_name and
2866         writable parameters; adjust all callers.
2867         (Output_file::map_no_anonymous): Add writable parameter; adjust all
2868         callers.
2869         * testsuite/Makefile.am (incremental_test_4): Test
2870         --incremental-base.
2871         * testsuite/Makefile.in: Regenerate.
2872
2873 2011-05-24 Cary Coutant  <ccoutant@google.com>
2874
2875         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
2876         incremental_test_4.
2877         * testsuite/Makefile.in: Regenerate.
2878         * testsuite/two_file_test_1_v1.cc: New test source file.
2879         * testsuite/two_file_test_1b_v1.cc: New test source file.
2880         * testsuite/two_file_test_2_v1.cc: New test source file.
2881
2882 2011-05-24 Cary Coutant  <ccoutant@google.com>
2883
2884         * dynobj.h (Dynobj::do_dynobj): New function.
2885         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
2886         flag and soname for shared objects.
2887         * incremental.cc (Incremental_inputs::report_object): Make
2888         either Incremental_object_entry or Incremental_dynobj_entry; add
2889         soname to string table.
2890         (Incremental_inputs::report_input_section): Add assertion.
2891         (Output_section_incremental_inputs::set_final_data_size): Adjust
2892         type of input file entry for shared libraries; adjust size of
2893         shared library info entry.
2894         (Output_section_incremental_inputs::write_input_files): Write
2895         as_needed flag for shared libraries.
2896         (Output_section_incremental_inputs::write_info_blocks): Adjust type
2897         of input file entry for shared libraries; write soname.
2898         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
2899         soname from incremental info.
2900         * incremental.h (enum Incremental_input_flags): Add
2901         INCREMENTAL_INPUT_AS_NEEDED.
2902         (Incremental_input_entry::Incremental_input_entry): Initialize new
2903         data member.
2904         (Incremental_input_entry::set_as_needed): New function.
2905         (Incremental_input_entry::as_needed): New function.
2906         (Incremental_input_entry::do_dynobj_entry): New function.
2907         (Incremental_input_entry::as_needed_): New data member.
2908         (Incremental_object_entry::Incremental_object_entry): Don't check
2909         for shared library.
2910         (Incremental_object_entry::do_type): Likewise.
2911         (class Incremental_dynobj_entry): New class.
2912         (Incremental_input_entry_reader::as_needed): New function.
2913         (Incremental_input_entry_reader::get_soname): New function.
2914         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
2915         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
2916         size of shared library info entry.
2917         * layout.cc (Layout::finish_dynamic_section): Don't test for
2918         incremental link when adding DT_NEEDED entries.
2919         * object.h (Object::Object): Initialize new data member.
2920         (Object::dynobj): New function.
2921         (Object::set_as_needed): New function.
2922         (Object::as_needed): New function.
2923         (Object::do_dynobj): New function.
2924         (Object::as_needed_): New data member.
2925
2926 2011-05-24 Cary Coutant  <ccoutant@google.com>
2927
2928         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
2929         info; adjust display of GOT entries.
2930         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2931         vector of input objects; remove file_status_.
2932         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
2933         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
2934         got_plt reader; call target hooks to reserve GOT entries.
2935         (Output_section_incremental_inputs::set_final_data_size): Adjust size
2936         of input file info header and GOT info entry.
2937         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
2938         relocation info.
2939         (Got_plt_view_info::got_descriptor): Remove.
2940         (Got_plt_view_info::sym_index): New data member.
2941         (Got_plt_view_info::input_index): New data member.
2942         (Local_got_offset_visitor::visit): Write input file index.
2943         (Global_got_offset_visitor::visit): Write 0 for input file index.
2944         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
2945         with sym_index and input_index.
2946         (Output_section_incremental_inputs::write_got_plt): Adjust size of
2947         incremental info GOT entry; replace got_descriptor with input_index.
2948         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
2949         map from input file index to object.
2950         (Sized_relobj_incr::do_layout): Replace direct data member reference
2951         with accessor function.
2952         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
2953         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
2954         Adjust size of input file info header.
2955         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
2956         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
2957         (Incremental_input_entry_reader::get_input_section): Adjust size of
2958         input file info header.
2959         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
2960         of incremental info GOT entry.
2961         (Incremental_got_plt_reader::get_got_desc): Remove.
2962         (Incremental_got_plt_reader::get_got_symndx): New function.
2963         (Incremental_got_plt_reader::get_got_input_index): New function.
2964         (Sized_incremental_binary::Sized_incremental_binary): Remove
2965         file_status_; add input_objects_.
2966         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
2967         (Sized_incremental_binary::set_file_is_unchanged): Remove.
2968         (Sized_incremental_binary::file_is_unchanged): Remove.
2969         (Sized_incremental_binary::set_input_object): New function.
2970         (Sized_incremental_binary::input_object): New function.
2971         (Sized_incremental_binary::file_status_): Remove.
2972         (Sized_incremental_binary::input_objects_): New data member.
2973         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
2974         references.
2975         (Sized_relobj_incr::invalid_address): Move to base class.
2976         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
2977         class.
2978         (Sized_relobj_incr::do_output_section_offset): Likewise.
2979         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
2980         (Sized_relobj_incr::section_offsets_): Likewise.
2981         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
2982         function.
2983         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
2984         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
2985         with accessor function.
2986         (Sized_relobj_file::do_layout): Likewise.
2987         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
2988         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
2989         (Sized_relobj_file::compute_final_local_value): Replace refs to
2990         section_offsets_ with accessor function.
2991         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
2992         * object.h (Relobj::Relobj): Initialize new data members.
2993         (Relobj::add_dyn_reloc): New function.
2994         (Relobj::first_dyn_reloc): New function.
2995         (Relobj::dyn_reloc_count): New function.
2996         (Relobj::first_dyn_reloc_): New data member.
2997         (Relobj::dyn_reloc_count_): New data member.
2998         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
2999         references.
3000         (Sized_relobj::Address): New typedef.
3001         (Sized_relobj::invalid_address): Move here from child class.
3002         (Sized_relobj::Sized_relobj): Initialize new data members.
3003         (Sized_relobj::sized_relobj): New function.
3004         (Sized_relobj::is_output_section_offset_invalid): Move here from
3005         child class.
3006         (Sized_relobj::get_output_section_offset): Likewise.
3007         (Sized_relobj::local_has_got_offset): Likewise.
3008         (Sized_relobj::local_got_offset): Likewise.
3009         (Sized_relobj::set_local_got_offset): Likewise.
3010         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3011         (Sized_relobj::clear_got_offsets): New function.
3012         (Sized_relobj::section_offsets): Move here from child class.
3013         (Sized_relobj::do_output_section_offset): Likewise.
3014         (Sized_relobj::do_set_section_offset): Likewise.
3015         (Sized_relobj::Local_got_offsets): Likewise.
3016         (Sized_relobj::local_got_offsets_): Likewise.
3017         (Sized_relobj::section_offsets_): Likewise.
3018         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3019         references.
3020         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3021         class.
3022         (Sized_relobj_file::sized_relobj): New function
3023         (Sized_relobj_file::local_has_got_offset): Move to base class.
3024         (Sized_relobj_file::local_got_offset): Likewise.
3025         (Sized_relobj_file::set_local_got_offset): Likewise.
3026         (Sized_relobj_file::get_output_section_offset): Likewise.
3027         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3028         (Sized_relobj_file::do_output_section_offset): Likewise.
3029         (Sized_relobj_file::do_set_section_offset): Likewise.
3030         (Sized_relobj_file::Local_got_offsets): Likewise.
3031         (Sized_relobj_file::local_got_offsets_): Likewise.
3032         (Sized_relobj_file::section_offsets_): Likewise.
3033         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3034         (all constructors).
3035         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3036         (Output_reloc::get_symbol_index): Likewise.
3037         (Output_reloc::local_section_offset): Likewise.
3038         (Output_reloc::get_address): Likewise.
3039         (Output_reloc::symbol_value): Likewise.
3040         (Output_data_got::reserve_slot): Move to class definition.
3041         (Output_data_got::reserve_local): New function.
3042         (Output_data_got::reserve_slot_for_global): Remove.
3043         (Output_data_got::reserve_global): New function.
3044         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3045         (all constructors, two instantiations).
3046         (Output_reloc::get_relobj): New function (two instantiations).
3047         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3048         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3049         (Output_data_reloc::add_global): Adjust type of relobj.
3050         (Output_data_reloc::add_global_relative): Likewise.
3051         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3052         (Output_data_reloc::add_local): Likewise.
3053         (Output_data_reloc::add_local_relative): Likewise.
3054         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3055         (Output_data_reloc::add_local_section): Likewise.
3056         (Output_data_reloc::add_output_section): Likewise.
3057         (Output_data_reloc::add_absolute): Likewise.
3058         (Output_data_reloc::add_target_specific): Likewise.
3059         (Output_data_got::reserve_slot): Move definition here.
3060         (Output_data_got::reserve_local): New function.
3061         (Output_data_got::reserve_global): New function.
3062         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3063         section_offsets_ with accessor function.
3064         (Sized_relobj_file::write_sections): Likewise.
3065         (Sized_relobj_file::do_relocate_sections): Likewise.
3066         * target.h (Sized_target::reserve_local_got_entry): New function.
3067         (Sized_target::reserve_global_got_entry): New function.
3068         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3069         (Target_x86_64::reserve_global_got_entry): New function.
3070         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3071
3072 2011-05-23 Cary Coutant  <ccoutant@google.com>
3073
3074         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3075         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3076         bit when checking got_type.
3077         * incremental.cc (Sized_incremental_binary::setup_readers):
3078         Store symbol table and string table locations; initialize bit vector
3079         of file status flags.
3080         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3081         unchanged files.
3082         (Sized_incremental_binary::do_process_got_plt): New function.
3083         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3084         (Output_section_incremental_inputs::set_final_data_size): Record
3085         file index for each input file.
3086         (Output_section_incremental_inputs::write_got_plt): Store file index
3087         instead of input entry offset for each GOT entry.
3088         * incremental.h
3089         (Incremental_input_entry::Incremental_input_entry): Initialize new
3090         data member.
3091         (Incremental_input_entry::set_offset): Store file index.
3092         (Incremental_input_entry::get_file_index): New function.
3093         (Incremental_input_entry::file_index_): New data member.
3094         (Incremental_binary::process_got_plt): New function.
3095         (Incremental_binary::do_process_got_plt): New function.
3096         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3097         data members.
3098         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3099         (Sized_incremental_binary::set_file_is_unchanged): New function.
3100         (Sized_incremental_binary::file_is_unchanged): New function.
3101         (Sized_incremental_binary::do_process_got_plt): New function.
3102         (Sized_incremental_binary::file_status_): New data member.
3103         (Sized_incremental_binary::main_symtab_loc_): New data member.
3104         (Sized_incremental_binary::main_strtab_loc_): New data member.
3105         * output.cc (Output_data_got::Got_entry::write): Add case
3106         RESERVED_CODE.
3107         (Output_data_got::add_global): Call add_got_entry.
3108         (Output_data_got::add_global_plt): Likewise.
3109         (Output_data_got::add_global_with_rel): Likewise.
3110         (Output_data_got::add_global_with_rela): Likewise.
3111         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3112         (Output_data_got::add_global_pair_with_rela): Likewise.
3113         (Output_data_got::add_local): Call add_got_entry.
3114         (Output_data_got::add_local_plt): Likewise.
3115         (Output_data_got::add_local_with_rel): Likewise.
3116         (Output_data_got::add_local_with_rela): Likewise.
3117         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3118         (Output_data_got::add_local_pair_with_rela): Likewise.
3119         (Output_data_got::reserve_slot): New function.
3120         (Output_data_got::reserve_slot_for_global): New function.
3121         (Output_data_got::add_got_entry): New function.
3122         (Output_data_got::add_got_entry_pair): New function.
3123         (Output_section::add_output_section_data): Edit FIXME.
3124         * output.h
3125         (Output_section_data_build::Output_section_data_build): New
3126         constructor with size parameter.
3127         (Output_data_space::Output_data_space): Likewise.
3128         (Output_data_got::Output_data_got): Initialize new data member; new
3129         constructor with size parameter.
3130         (Output_data_got::add_constant): Call add_got_entry.
3131         (Output_data_got::reserve_slot): New function.
3132         (Output_data_got::reserve_slot_for_global): New function.
3133         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3134         (Output_data_got::add_got_entry): New function.
3135         (Output_data_got::add_got_entry_pair): New function.
3136         (Output_data_got::free_list_): New data member.
3137         * target.h (Sized_target::init_got_plt_for_update): New function.
3138         (Sized_target::register_global_plt_entry): New function.
3139         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3140         Initialize new data member; call init; add constructor with PLT count.
3141         (Output_data_plt_x86_64::init): New function.
3142         (Output_data_plt_x86_64::add_relocation): New function.
3143         (Output_data_plt_x86_64::reserve_slot): New function.
3144         (Output_data_plt_x86_64::free_list_): New data member.
3145         (Target_x86_64::init_got_plt_for_update): New function.
3146         (Target_x86_64::register_global_plt_entry): New function.
3147         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3148         incremental updates.
3149         (Output_data_plt_x86_64::add_relocation): New function.
3150         * testsuite/object_unittest.cc (Object_test): Set default options.
3151
3152 2011-05-16  Ian Lance Taylor  <iant@google.com>
3153
3154         * options.h (class General_options): Make -i a synonym for -r.
3155
3156 2011-05-16  Ian Lance Taylor  <iant@google.com>
3157
3158         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3159
3160 2011-05-10 Cary Coutant  <ccoutant@google.com>
3161
3162         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3163         strip_all (-s).
3164
3165 2011-05-06  Ian Lance Taylor  <iant@google.com>
3166
3167         * layout.cc (Layout::layout): If the output section flags change,
3168         update the ordering.
3169
3170 2011-04-25 Cary Coutant  <ccoutant@google.com>
3171
3172         * incremental-dump.cc (dump_incremental_inputs): Print local
3173         symbol info for each input file.
3174         * incremental.cc
3175         (Output_section_incremental_inputs::set_final_data_size): Add local
3176         symbol info to input file entries in incremental info.
3177         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3178         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3179         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3180         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3181         implementation.
3182         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3183         (Sized_incr_relobj::do_relocate): Write the local symbols.
3184         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3185         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3186         Adjust size of input file header.
3187         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3188         (Incremental_inputs_reader::get_local_symbol_count): New function.
3189         (Incremental_inputs_reader::get_input_section): Adjust size of input
3190         file header.
3191         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3192         (Sized_incr_relobj::This): New typedef.
3193         (Sized_incr_relobj::sym_size): New const data member.
3194         (Sized_incr_relobj::Local_symbol): New struct.
3195         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3196         (Sized_incr_relobj::do_local_symbol_offset): New function.
3197         (Sized_incr_relobj::local_symbol_count_): New data member.
3198         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3199         (Sized_incr_relobj::local_symbol_index_): New data member.
3200         (Sized_incr_relobj::local_symbol_offset_): New data member.
3201         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3202         (Sized_incr_relobj::local_symbols_): New data member.
3203         * object.h (Relobj::output_local_symbol_count): New function.
3204         (Relobj::local_symbol_offset): New function.
3205         (Relobj::do_output_local_symbol_count): New function.
3206         (Relobj::do_local_symbol_offset): New function.
3207         (Sized_relobj::do_output_local_symbol_count): New function.
3208         (Sized_relobj::do_local_symbol_offset): New function.
3209
3210 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3211
3212         * descriptors.cc (set_close_on_exec): New function.
3213         (Descriptors::open): Use set_close_on_exec.
3214         * output.cc (S_ISLNK): Define if not defined.
3215
3216 2011-04-22 Cary Coutant  <ccoutant@google.com>
3217
3218         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3219         global symbol map.
3220         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3221         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3222         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3223         relocations.
3224         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3225         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3226         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3227         * incremental.h
3228         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3229         function.
3230         (Incremental_binary::apply_incremental_relocs): New function.
3231         (Incremental_binary::do_apply_incremental_relocs): New function.
3232         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3233         data member.
3234         (Sized_incremental_binary::add_global_symbol): New function.
3235         (Sized_incremental_binary::global_symbol): New function.
3236         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3237         (Sized_incremental_binary::symbol_map_): New data member.
3238         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3239         * target.h (Sized_target::apply_relocation): New function.
3240         * target-reloc.h (apply_relocation): New function.
3241         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3242
3243 2011-04-22  Doug Kwan  <dougkwan@google.com>
3244
3245         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3246         flag of a SHT_ARM_EXIDX section.
3247         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3248         * testsuite/Makefile.in: Regenerate.
3249         * testsuite/arm_exidx_test.s: New file.
3250         * testsuite/arm_exidx_test.sh: Same.
3251
3252 2011-04-20 Cary Coutant  <ccoutant@google.com>
3253
3254         PR gold/12689
3255         * archive.h (Incremental_archive_entry::Archive_member):
3256         Initialize arg_serial_ (second constructor).
3257
3258 2011-04-17  Ian Lance Taylor  <iant@google.com>
3259
3260         * object.cc (Relocate_info::location): Simplify location string.
3261         * errors.cc (Errors::error_at_location): Don't print program
3262         name.
3263         (Errors::warning_at_location): Likewise.
3264         (Errors::undefined_symbol): Likewise.
3265         * testsuite/debug_msg.sh: Update accordingly.
3266
3267 2011-04-14 Cary Coutant  <ccoutant@google.com>
3268
3269         * gold/layout.cc (Layout::symtab_section_offset): New function.
3270         * gold/layout.h (Layout::symtab_section_offset): New function.
3271         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3272
3273 2011-04-12  Ian Lance Taylor  <iant@google.com>
3274
3275         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3276         with MREMAP_MAYMOVE.
3277         * output.h (class Output_file): Add map_is_allocated_ field.
3278         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3279         not available, provide stubs.  If mremap is not available, #define
3280         it to gold_mremap.
3281         (MREMAP_MAYMOVE): Define if not defined.
3282         (Output_file::Output_file): Initialize map_is_allocated_.
3283         (Output_file::resize): Check map_is_allocated_.
3284         (Output_file::map_anonymous): If mmap fails, use malloc.
3285         (Output_file::unmap): Don't do anything for an anonymous map.
3286         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3287         is not available, provide stubs.
3288         (File_read::View::~View): Use free rather than delete[].
3289         (File_read::make_view): Use malloc rather than new[].  If mmap
3290         fails, use malloc.
3291         (File_read::find_or_make_view): Use malloc rather than new[].
3292         * gold.h: Remove HAVE_REMAP code.
3293         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3294         exists.  Rename mremap to gold_mremap.  If mmap is not available
3295         don't do anything.
3296         * configure, config.in: Rebuild.
3297
3298 2011-04-11  Ian Lance Taylor  <iant@google.com>
3299
3300         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3301         initialize local variable v.
3302
3303 2011-04-11  Cary Coutant  <ccoutant@google.com>
3304
3305         * archive.cc (Archive::include_member): Adjust call to
3306         report_object.
3307         (Add_archive_symbols::run): Track argument serial numbers.
3308         (Lib_group::include_member): Likewise.
3309         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
3310         * archive.h (Incremental_archive_entry::Archive_member):
3311         Initialize arg_serial_.
3312         (Archive_member::arg_serial_): New data member.
3313         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
3314         (Sized_dynobj::do_add_symbols): Track symbols when doing an
3315         incremental link.
3316         (Sized_dynobj::do_for_all_local_got_entries): New function.
3317         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
3318         function.
3319         * fileread.cc (get_mtime): New function.
3320         * fileread.h (get_mtime): New function.
3321         * gold.cc (queue_initial_tasks): Check for incremental update.
3322         (process_incremental_input): New function.
3323         (queue_middle_tasks): Don't force valid target for incremental
3324         update.
3325         * incremental-dump.cc (find_input_containing_global): Adjust
3326         size of symbol info entry.
3327         (dump_incremental_inputs): Dump argument serial number and
3328         in_system_directory flag; bias shndx by 1; print symbol names
3329         when dumping per-file symbol lists; use new symbol info readers.
3330         * incremental.cc
3331         (Output_section_incremental_inputs:update_data_size): New function.
3332         (Sized_incremental_binary::setup_readers): Setup input readers
3333         for each input file; build maps for files added from libraries
3334         and scripts.
3335         (Sized_incremental_binary::check_input_args): New function.
3336         (Sized_incremental_binary::do_check_inputs): Build map of argument
3337         serial numbers to input arguments.
3338         (Sized_incremental_binary::do_file_has_changed): Rename
3339         do_file_is_unchanged to this; compare file modification times.
3340         (Sized_incremental_binary::do_init_layout): New function.
3341         (Sized_incremental_binary::do_reserve_layout): New function.
3342         (Sized_incremental_binary::do_get_input_reader): Remove.
3343         (Sized_incremental_binary::get_symtab_view): New function.
3344         (Incremental_checker::can_incrementally_link_output_file): Remove.
3345         (Incremental_inputs::report_command_line): Exclude --debug options.
3346         (Incremental_inputs::report_archive_begin): Add parameter; track
3347         argument serial numbers; don't put input file entry for archive
3348         before archive members.
3349         (Incremental_inputs::report_archive_end): Put input file entry
3350         for archive after archive members.
3351         (Incremental_inputs::report_object): Add parameter; track argument
3352         serial numbers and in_system_directory flag.
3353         (Incremental_inputs::report_script): Add parameter; track argument
3354         serial numbers.
3355         (Output_section_incremental_inputs::set_final_data_size): Adjust
3356         size of symbol info entry; check for forwarding symbols.
3357         (Output_section_incremental_inputs::write_input_files): Write
3358         in_system_directory flag and argument serial number.
3359         (Output_section_incremental_inputs::write_info_blocks): Map section
3360         indices between incremental info and original input file; store
3361         input section index for each symbol.
3362         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
3363         change operator() to visit().
3364         (class Global_got_offset_visitor): Likewise.
3365         (class Global_symbol_visitor_got_plt):
3366         (Output_section_incremental_inputs::write_got_plt): Use new visitor
3367         classes.
3368         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
3369         (Sized_incr_relobj::do_read_symbols): New function.
3370         (Sized_incr_relobj::do_layout): New function.
3371         (Sized_incr_relobj::do_layout_deferred_sections): New function.
3372         (Sized_incr_relobj::do_add_symbols): New function.
3373         (Sized_incr_relobj::do_should_include_member): New function.
3374         (Sized_incr_relobj::do_for_all_global_symbols): New function.
3375         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
3376         (Sized_incr_relobj::do_section_size): New function.
3377         (Sized_incr_relobj::do_section_name): New function.
3378         (Sized_incr_relobj::do_section_contents): New function.
3379         (Sized_incr_relobj::do_section_flags): New function.
3380         (Sized_incr_relobj::do_section_entsize): New function.
3381         (Sized_incr_relobj::do_section_address): New function.
3382         (Sized_incr_relobj::do_section_type): New function.
3383         (Sized_incr_relobj::do_section_link): New function.
3384         (Sized_incr_relobj::do_section_info): New function.
3385         (Sized_incr_relobj::do_section_addralign): New function.
3386         (Sized_incr_relobj::do_initialize_xindex): New function.
3387         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
3388         (Sized_incr_relobj::do_read_relocs): New function.
3389         (Sized_incr_relobj::do_gc_process_relocs): New function.
3390         (Sized_incr_relobj::do_scan_relocs): New function.
3391         (Sized_incr_relobj::do_count_local_symbols): New function.
3392         (Sized_incr_relobj::do_finalize_local_symbols): New function.
3393         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
3394         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
3395         (Sized_incr_relobj::do_relocate): New function.
3396         (Sized_incr_relobj::do_set_section_offset): New function.
3397         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
3398         (Sized_incr_dynobj::do_read_symbols): New function.
3399         (Sized_incr_dynobj::do_layout): New function.
3400         (Sized_incr_dynobj::do_add_symbols): New function.
3401         (Sized_incr_dynobj::do_should_include_member): New function.
3402         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
3403         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
3404         (Sized_incr_dynobj::do_section_size): New function.
3405         (Sized_incr_dynobj::do_section_name): New function.
3406         (Sized_incr_dynobj::do_section_contents): New function.
3407         (Sized_incr_dynobj::do_section_flags): New function.
3408         (Sized_incr_dynobj::do_section_entsize): New function.
3409         (Sized_incr_dynobj::do_section_address): New function.
3410         (Sized_incr_dynobj::do_section_type): New function.
3411         (Sized_incr_dynobj::do_section_link): New function.
3412         (Sized_incr_dynobj::do_section_info): New function.
3413         (Sized_incr_dynobj::do_section_addralign): New function.
3414         (Sized_incr_dynobj::do_initialize_xindex): New function.
3415         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
3416         (make_sized_incremental_object): New function.
3417         (Incremental_library::copy_unused_symbols): New function.
3418         (Incremental_library::do_for_all_unused_symbols): New function.
3419         * incremental.h (enum Incremental_input_flags): New type.
3420         (class Incremental_checker): Remove.
3421         (Incremental_input_entry::Incremental_input_entry): Add argument
3422         serial number.
3423         (Incremental_input_entry::arg_serial): New function.
3424         (Incremental_input_entry::set_is_in_system_directory): New function.
3425         (Incremental_input_entry::is_in_system_directory): New function.
3426         (Incremental_input_entry::arg_serial_): New data member.
3427         (Incremental_input_entry::is_in_system_directory_): New data member.
3428         (class Script_info): Move here from script.h.
3429         (Script_info::Script_info): Add filename parameter.
3430         (Script_info::filename): New function.
3431         (Script_info::filename_): New data member.
3432         (Incremental_script_entry::Incremental_script_entry): Add argument
3433         serial number.
3434         (Incremental_object_entry::Incremental_object_entry): Likewise.
3435         (Incremental_object_entry::add_input_section): Build list of input
3436         sections with map to original shndx.
3437         (Incremental_object_entry::get_input_section_index): New function.
3438         (Incremental_object_entry::shndx_): New data member.
3439         (Incremental_object_entry::name_key_): Rename; adjust all refs.
3440         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
3441         (Incremental_archive_entry::Incremental_archive_entry): Add argument
3442         serial number.
3443         (Incremental_inputs::report_archive_begin): Likewise.
3444         (Incremental_inputs::report_object): Likewise.
3445         (Incremental_inputs::report_script): Likewise.
3446         (class Incremental_global_symbol_reader): New class.
3447         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
3448         and store flags and input file type.
3449         (Incremental_input_entry_reader::arg_serial): New function.
3450         (Incremental_input_entry_reader::type): Extract type from flags.
3451         (Incremental_input_entry_reader::is_in_system_directory): New function.
3452         (Incremental_input_entry_reader::get_input_section_count): Call
3453         accessor function for type.
3454         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
3455         function for type; adjust size of global symbol entry.
3456         (Incremental_input_entry_reader::get_global_symbol_count): Call
3457         accessor function for type.
3458         (Incremental_input_entry_reader::get_object_count): Likewise.
3459         (Incremental_input_entry_reader::get_object_offset): Likewise.
3460         (Incremental_input_entry_reader::get_member_count): Likewise.
3461         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
3462         (Incremental_input_entry_reader::get_member_offset): Likewise.
3463         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
3464         (Incremental_input_entry_reader::Global_symbol_info): Remove.
3465         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
3466         (Incremental_input_entry_reader::get_global_symbol_reader): New
3467         function.
3468         (Incremental_input_entry_reader::get_output_symbol_index): New
3469         function.
3470         (Incremental_input_entry_reader::type_): Remove.
3471         (Incremental_input_entry_reader::flags_): New data member.
3472         (Incremental_inputs_reader::input_file_offset): New function.
3473         (Incremental_inputs_reader::input_file_index): New function.
3474         (Incremental_inputs_reader::input_file): Call input_file_offset.
3475         (Incremental_inputs_reader::input_file_at_offset): New function.
3476         (Incremental_relocs_reader::get_r_type): Reformat.
3477         (Incremental_relocs_reader::get_r_shndx): Reformat.
3478         (Incremental_relocs_reader::get_r_offset): Reformat.
3479         (Incremental_relocs_reader::data): New function.
3480         (Incremental_binary::Incremental_binary): Initialize new data members.
3481         (Incremental_binary::check_inputs): Add cmdline parameter.
3482         (Incremental_binary::file_is_unchanged): Remove.
3483         (Input_reader::arg_serial): New function.
3484         (Input_reader::get_unused_symbol_count): New function.
3485         (Input_reader::get_unused_symbol): New function.
3486         (Input_reader::do_arg_serial): New function.
3487         (Input_reader::do_get_unused_symbol_count): New function.
3488         (Input_reader::do_get_unused_symbol): New function.
3489         (Incremental_binary::input_file_count): New function.
3490         (Incremental_binary::get_input_reader): Change signature to use
3491         index instead of filename.
3492         (Incremental_binary::file_has_changed): New function.
3493         (Incremental_binary::get_input_argument): New function.
3494         (Incremental_binary::get_library): New function.
3495         (Incremental_binary::get_script_info): New function.
3496         (Incremental_binary::init_layout): New function.
3497         (Incremental_binary::reserve_layout): New function.
3498         (Incremental_binary::output_file): New function.
3499         (Incremental_binary::do_check_inputs): New function.
3500         (Incremental_binary::do_file_is_unchanged): Remove.
3501         (Incremental_binary::do_file_has_changed): New function.
3502         (Incremental_binary::do_init_layout): New function.
3503         (Incremental_binary::do_reserve_layout): New function.
3504         (Incremental_binary::do_input_file_count): New function.
3505         (Incremental_binary::do_get_input_reader): Change signature.
3506         (Incremental_binary::input_args_map_): New data member.
3507         (Incremental_binary::library_map_): New data member.
3508         (Incremental_binary::script_map_): New data member.
3509         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3510         new data members.
3511         (Sized_incremental_binary::output_section): New function.
3512         (Sized_incremental_binary::inputs_reader): Add const.
3513         (Sized_incremental_binary::symtab_reader): Add const.
3514         (Sized_incremental_binary::relocs_reader): Add const.
3515         (Sized_incremental_binary::got_plt_reader): Add const.
3516         (Sized_incremental_binary::get_symtab_view): New function.
3517         (Sized_incremental_binary::Inputs_reader): New typedef.
3518         (Sized_incremental_binary::Input_entry_reader): New typedef.
3519         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
3520         (Sized_incremental_binary::do_file_is_unchanged): Remove.
3521         (Sized_incremental_binary::do_file_has_changed): New function.
3522         (Sized_incremental_binary::do_init_layout): New function.
3523         (Sized_incremental_binary::do_reserve_layout): New function.
3524         (Sized_input_reader::Inputs_reader): Remove.
3525         (Sized_input_reader::Input_entry_reader): Remove.
3526         (Sized_input_reader::do_arg_serial): New function.
3527         (Sized_input_reader::do_get_unused_symbol_count): New function.
3528         (Sized_input_reader::do_get_unused_symbol): New function.
3529         (Sized_incremental_binary::do_input_file_count): New function.
3530         (Sized_incremental_binary::do_get_input_reader): Change signature;
3531         use index instead of filename.
3532         (Sized_incremental_binary::section_map_): New data member.
3533         (Sized_incremental_binary::input_entry_readers_): New data member.
3534         (class Sized_incr_relobj): New class.
3535         (class Sized_incr_dynobj): New class.
3536         (make_sized_incremental_object): New function.
3537         (class Incremental_library): New class.
3538         * layout.cc (Free_list::num_lists): New static data member.
3539         (Free_list::num_nodes): New static data member.
3540         (Free_list::num_removes): New static data member.
3541         (Free_list::num_remove_visits): New static data member.
3542         (Free_list::num_allocates): New static data member.
3543         (Free_list::num_allocate_visits): New static data member.
3544         (Free_list::init): New function.
3545         (Free_list::remove): New function.
3546         (Free_list::allocate): New function.
3547         (Free_list::dump): New function.
3548         (Free_list::print_stats): New function.
3549         (Layout_task_runner::run): Resize output file for incremental updates.
3550         (Layout::Layout): Initialize new data members.
3551         (Layout::set_incremental_base): New function.
3552         (Layout::init_fixed_output_section): New function.
3553         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
3554         incremental updates.
3555         (Layout::create_gold_note): Do not create gold note section for
3556         incremental updates.
3557         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
3558         for incremental updates.
3559         (Layout::set_section_offsets): For incremental updates, allocate space
3560         from free list.
3561         (Layout::create_symtab_sections): Layout with offsets relative to
3562         start of section; for incremental updates, allocate space from free
3563         list.
3564         (Layout::create_shdrs): For incremental updates, allocate space from
3565         free list.
3566         (Layout::finish_dynamic_section): For incremental updates, do not
3567         check --as-needed (fixed in subsequent patch).
3568         * layout.h (class Free_list): New class.
3569         (Layout::set_incremental_base): New function.
3570         (Layout::incremental_base): New function.
3571         (Layout::init_fixed_output_section): New function.
3572         (Layout::allocate): New function.
3573         (Layout::incremental_base_): New data member.
3574         (Layout::free_list_): New data member.
3575         * main.cc (main): Print Free_list statistics.
3576         * object.cc (Relobj::finalize_incremental_relocs): Add
3577         clear_counts parameter; clear counts only when clear_counts is set.
3578         (Sized_relobj::Sized_relobj): Initialize new base class.
3579         (Sized_relobj::do_layout): Don't report special sections.
3580         (Sized_relobj::do_for_all_local_got_entries): New function.
3581         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
3582         symtab_off to all symbol table offsets.
3583         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
3584         * object.h (class Got_offset_list): Move to top of file.
3585         (Object::Object): Allow case where input_file == NULL.
3586         (Object::~Object): Likewise.
3587         (Object::input_file): Assert that input_file != NULL.
3588         (Object::lock): Allow case where input_file == NULL.
3589         (Object::unlock): Likewise.
3590         (Object::is_locked): Likewise.
3591         (Object::token): Likewise.
3592         (Object::release): Likewise.
3593         (Object::is_incremental): New function.
3594         (Object::get_mtime): New function.
3595         (Object::for_all_local_got_entries): New function.
3596         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
3597         (Object::set_is_in_system_directory): New function.
3598         (Object::is_in_system_directory): New function.
3599         (Object::do_is_incremental): New function.
3600         (Object::do_get_mtime): New function.
3601         (Object::do_for_all_local_got_entries): New function.
3602         (Object::is_in_system_directory_): New data member.
3603         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
3604         (class Sized_relobj_base): New class.
3605         (class Sized_relobj): Derive from Sized_relobj_base.
3606         (class Sized_relobj::Symbols): Redeclare from base class.
3607         (class Sized_relobj::local_got_offset_list): Remove.
3608         (class Sized_relobj::Output_sections): Redeclare from base class.
3609         (class Sized_relobj::do_for_all_local_got_entries): New function.
3610         (class Sized_relobj::write_local_symbols): Add offset parameter.
3611         (class Sized_relobj::local_symbol_offset_): Update comment.
3612         (class Sized_relobj::local_dynsym_offset_): Update comment.
3613         * options.cc (Input_arguments::add_file): Remove const.
3614         * options.h (Input_file_argument::Input_file_argument):
3615         Initialize arg_serial_ (all constructors).
3616         (Input_file_argument::set_arg_serial): New function.
3617         (Input_file_argument::arg_serial): New function.
3618         (Input_file_argument::arg_serial_): New data member.
3619         (Input_arguments::Input_arguments): Initialize file_count_.
3620         (Input_arguments::add_file): Remove const.
3621         (Input_arguments::number_of_input_files): New function.
3622         (Input_arguments::file_count_): New data member.
3623         (Command_line::number_of_input_files): Call
3624         Input_arguments::number_of_input_files.
3625         * output.cc (Output_segment_headers::Output_segment_headers):
3626         Set current size.
3627         (Output_section::Input_section::current_data_size): New function.
3628         (Output_section::Output_section): Initialize new data members.
3629         (Output_section::add_input_section): Don't do merge sections for
3630         an incremental link; allocate space from free list for an
3631         incremental update.
3632         (Output_section::add_output_section_data): Allocate space from
3633         free list for an incremental update.
3634         (Output_section::update_data_size): New function.
3635         (Output_section::set_fixed_layout): New function.
3636         (Output_section::reserve): New function.
3637         (Output_segment::set_section_addresses): Remove const.
3638         (Output_segment::set_section_list_addresses): Remove const; allocate
3639         space from free list for an incremental update.
3640         (Output_segment::set_offset): Adjust size of RELRO segment for an
3641         incremental update.
3642         * output.h (Output_data::current_data_size): Move here from
3643         child classes.
3644         (Output_data::pre_finalize_data_size): New function.
3645         (Output_data::update_data_size): New function.
3646         (Output_section_headers::update_data_size): new function.
3647         (Output_section_data_build::current_data_size): Move to Output_data.
3648         (Output_data_strtab::update_data_size): New function.
3649         (Output_section::current_data_size): Move to Output_data.
3650         (Output_section::set_fixed_layout): New function.
3651         (Output_section::has_fixed_layout): New function.
3652         (Output_section::reserve): New function.
3653         (Output_section::update_data_size): New function.
3654         (Output_section::has_fixed_layout_): New data member.
3655         (Output_section::free_list_): New data member.
3656         (Output_segment::set_section_addresses): Remove const.
3657         (Output_segment::set_section_list_addresses): Remove const.
3658         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
3659         New function.
3660         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
3661         New function.
3662         * readsyms.cc (Read_symbols::do_read_symbols): Add library
3663         parameter when calling Add_symbols constructor; store argument
3664         serial number for members of a lib group.
3665         (Add_symbols::locks): Allow case where token == NULL.
3666         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
3667         (Read_member::~Read_member): New function.
3668         (Read_member::is_runnable): New function.
3669         (Read_member::locks): New function.
3670         (Read_member::run): New function.
3671         (Check_script::~Check_script): New function.
3672         (Check_script::is_runnable): New function.
3673         (Check_script::locks): New function.
3674         (Check_script::run): New function.
3675         (Check_library::~Check_library): New function.
3676         (Check_library::is_runnable): New function.
3677         (Check_library::locks): New function.
3678         (Check_library::run): New function.
3679         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
3680         (Add_symbols::library_): New data member.
3681         (class Read_member): New class.
3682         (class Check_script): New class.
3683         (class Check_library): New class.
3684         * reloc.cc (Read_relocs::is_runnable): Allow case where
3685         token == NULL.
3686         (Read_relocs::locks): Likewise.
3687         (Scan_relocs::locks): Likewise.
3688         (Relocate_task::locks): Likewise.
3689         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
3690         to clear counters.
3691         (Sized_relobj::incremental_relocs_scan): Fix comment.
3692         (Sized_relobj::do_relocate): Pass output file offset to
3693         write_local_symbols.
3694         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
3695         from class declaration.
3696         * script.cc (read_input_script): Allocate Script_info; pass
3697         argument serial number to report_script.
3698         * script.h (class Script_info): Move to incremental.h.
3699         * symtab.cc (Symbol_table::add_from_incrobj): New function.
3700         * symtab.h (Symbol_table::add_from_incrobj): New function.
3701         (Symbol_table::set_file_offset): New function.
3702
3703 2011-04-05  Cary Coutant  <ccoutant@google.com>
3704
3705         * incremental-dump.cc (dump_incremental_inputs): Change signature
3706         to take a Sized_incremental_binary; change caller.  Use readers
3707         in Sized_incremental_binary.
3708         * incremental.cc
3709         (Sized_incremental_binary::find_incremental_inputs_sections):
3710         Rename do_find_incremental_inputs_sections to this.
3711         (Sized_incremental_binary::setup_readers): New function.
3712         (Sized_incremental_binary::do_check_inputs): Check
3713         has_incremental_info_ flag; move setup code to setup_readers;
3714         use input readers.
3715         (Sized_incremental_binary::do_file_is_unchanged): New function.
3716         (Sized_incremental_binary::do_get_input_reader): New function.
3717         * incremental.h (class Incremental_binary): Move to end of file.
3718         (Incremental_binary::file_is_unchanged): New function.
3719         (Incremental_binary::do_file_is_unchanged): New function.
3720         (Incremental_binary::Input_reader): New class.
3721         (Incremental_binary::get_input_reader): New function.
3722         (class Sized_incremental_binary): Move to end of file.
3723         (Sized_incremental_binary::Sized_incremental_binary): Setup the
3724         input section reader classes.
3725         (Sized_incremental_binary::has_incremental_info): New function.
3726         (Sized_incremental_binary::inputs_reader): New function.
3727         (Sized_incremental_binary::symtab_reader): New function.
3728         (Sized_incremental_binary::relocs_reader): New function.
3729         (Sized_incremental_binary::got_plt_reader): New function.
3730         (Sized_incremental_binary::do_file_is_unchanged): New function.
3731         (Sized_incremental_binary::Sized_input_reader): New class.
3732         (Sized_incremental_binary::get_input_reader): New function.
3733         (Sized_incremental_binary::find_incremental_inputs_sections):
3734         Rename do_find_incremental_inputs_sections to this.
3735         (Sized_incremental_binary::setup_readers): New function.
3736         (Sized_incremental_binary::has_incremental_info_): New data member.
3737         (Sized_incremental_binary::inputs_reader_): New data member.
3738         (Sized_incremental_binary::symtab_reader_): New data member.
3739         (Sized_incremental_binary::relocs_reader_): New data member.
3740         (Sized_incremental_binary::got_plt_reader_): New data member.
3741         (Sized_incremental_binary::current_input_file_): New data member.
3742
3743 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
3744
3745         PR gold/12640
3746         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
3747         violation.
3748
3749 2011-03-30  Cary Coutant  <ccoutant@google.com>
3750
3751         * archive.cc (Archive::include_member): Adjust call to report_object.
3752         (Add_archive_symbols::run): Add script_info to call to
3753         report_archive_begin.
3754         (Lib_group::include_member): Adjust call to report_object.
3755         (Add_lib_group_symbols::run): Adjust call to report_object.
3756         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
3757         blocks.  Add object count for script input files.
3758         * incremental.cc (Incremental_inputs::report_archive_begin): Add
3759         script_info parameter; change all callers.
3760         (Incremental_inputs::report_object): Add script_info parameter;
3761         change all callers.
3762         (Incremental_inputs::report_script): Store backpointer to
3763         incremental info entry.
3764         (Output_section_incremental_inputs::set_final_data_size): Record
3765         additional information for scripts.
3766         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3767         * incremental.h (Incremental_script_entry::add_object): New function.
3768         (Incremental_script_entry::get_object_count): New function.
3769         (Incremental_script_entry::get_object): New function.
3770         (Incremental_script_entry::objects_): New data member; adjust
3771         constructor.
3772         (Incremental_inputs::report_archive_begin): Add script_info parameter.
3773         (Incremental_inputs::report_object): Add script_info parameter.
3774         (Incremental_inputs_reader::get_object_count): New function.
3775         (Incremental_inputs_reader::get_object_offset): New function.
3776         * options.cc (Input_arguments::add_file): Return reference to
3777         new input argument.
3778         * options.h (Input_argument::set_script_info): New function.
3779         (Input_argument::script_info): New function.
3780         (Input_argument::script_info_): New data member; adjust all
3781         constructors.
3782         (Input_file_group::add_file): Return reference to new input argument.
3783         (Input_file_lib::add_file): Likewise.
3784         (Input_arguments::add_file): Likewise.
3785         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
3786         * script.cc (Parser_closure::Parser_closure): Add script_info
3787         parameter; adjust all callers.
3788         (Parser_closure::script_info): New function.
3789         (Parser_closure::script_info_): New data member.
3790         (read_input_script): Report scripts earlier to incremental info.
3791         (script_add_file): Set script_info in Input_argument.
3792         (script_add_library): Likewise.
3793         * script.h (Script_options::Script_info): Rewrite class.
3794
3795 2011-03-29  Cary Coutant  <ccoutant@google.com>
3796
3797         * archive.cc (Library_base::should_include_member): Move
3798         method here from class Archive.
3799         (Archive::Archive): Initialize base class.
3800         (Archive::should_include_member): Move to base class.
3801         (Archive::do_for_all_unused_symbols): New function.
3802         (Add_archive_symbols::run): Remove redundant access to
3803         incremental_inputs.
3804         (Lib_group::Lib_group): Initialize base class.
3805         (Lib_group::do_filename): New function.
3806         (Lib_group::include_member): Pass pointer to Lib_group to
3807         report_object.
3808         (Lib_group::do_for_all_unused_symbols): New function.
3809         (Add_lib_group_symbols::run): Report archive information for
3810         incremental links.
3811         * archive.h (class Library_base): New base class.
3812         (class Archive): Derive from Library_base.
3813         (Archive::filename): Move to base class.
3814         (Archive::set_incremental_info): Likewise.
3815         (Archive::incremental_info): Likewise.
3816         (Archive::Should_include): Likewise.
3817         (Archive::should_include_member): Likewise.
3818         (Archive::Armap_entry): Remove.
3819         (Archive::Unused_symbol_iterator): Remove.
3820         (Archive::unused_symbols_begin): Remove.
3821         (Archive::unused_symbols_end): Remove.
3822         (Archive::do_filename): New function.
3823         (Archive::do_get_mtime): New function.
3824         (Archive::do_for_all_unused_symbols): New function.
3825         (Archive::task_): Move to base class.
3826         (Archive::incremental_info_): Likewise.
3827         (class Lib_group): Derive from Library_base.
3828         (Lib_group::do_filename): New function.
3829         (Lib_group::do_get_mtime): New function.
3830         (Lib_group::do_for_all_unused_symbols): New function.
3831         (Lib_group::task_): Move to base class.
3832         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
3833         function.
3834         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
3835         function.
3836         * incremental.cc (Incremental_inputs::report_archive_begin):
3837         Use Library_base; call library's get_mtime; add incremental inputs
3838         entry before members.
3839         (class Unused_symbol_visitor): New class.
3840         (Incremental_inputs::report_archive_end): Use Library_base; use
3841         visitor class to record unused symbols; don't add incremental inputs
3842         entry after members.
3843         (Incremental_inputs::report_object): Use Library_base.
3844         * incremental.h
3845         (Incremental_archive_entry::Incremental_archive_entry): Remove
3846         unused Archive parameter.
3847         (Incremental_inputs::report_archive_begin): Use Library_base.
3848         (Incremental_inputs::report_archive_end): Likewise.
3849         (Incremental_inputs::report_object): Likewise.
3850         * object.cc (Sized_relobj::do_for_all_global_symbols): New
3851         function.
3852         * object.h (Object::for_all_global_symbols): New function.
3853         (Object::do_for_all_global_symbols): New function.
3854         (Sized_relobj::do_for_all_global_symbols): New function.
3855         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
3856         function.
3857         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
3858         function.
3859
3860 2011-03-27  Ian Lance Taylor  <iant@google.com>
3861
3862         * archive.cc (Archive::interpret_header): Return -1 if something
3863         goes wrong.  Change callers accordingly.
3864
3865 2011-03-25  Cary Coutant  <ccoutant@google.com>
3866
3867         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
3868         * testsuite/Makefile.in: Regenerate.
3869
3870 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
3871
3872         * plugin.cc (get_view): New.
3873         (Plugin::load): Pass get_view to the plugin.
3874         (Plugin_manager::get_view): New.
3875
3876 2011-03-21  Ian Lance Taylor  <iant@google.com>
3877
3878         * testsuite/final_layout.sh: Rewrite to not use dc.
3879         * testsuite/relro_test.sh: Fail if dc is not present.
3880
3881 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
3882
3883         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
3884         Change == to -eq.
3885         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
3886         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
3887         Change == to -eq.
3888         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
3889         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
3890
3891 2011-03-14  Ian Lance Taylor  <iant@google.com>
3892
3893         * script-sections.cc (Sort_output_sections::script_compare):
3894         Rename from is_before, change return type.
3895         (Sort_output_sections::operator()): Adjust accordingly.
3896
3897 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
3898
3899         PR gold/12572
3900         * testsuite/odr_violation2.cc: Add comment to make all error line
3901         numbers double digits.
3902         * testsuite/debug_msg.sh: Adjust expected errors.
3903
3904 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
3905
3906         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
3907         but mark earlier ones as non-canonical
3908         (offset_to_iterator): Update search target and example
3909         (do_addr2line): Return extra lines in a vector*
3910         (format_file_lineno): Extract from do_addr2line
3911         (one_addr2line): Add vector* out-param
3912         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
3913         when a lineno entry appeared last for its instruction
3914         (Dwarf_line_info): Add vector* out-param
3915         * object.cc (Relocate_info): Pass NULL for the vector* out-param
3916         * symtab.cc (Odr_violation_compare): Include the lineno in the
3917         comparison again.
3918         (linenos_from_loc): New. Combine the canonical line for an
3919         address with its other lines.
3920         (True_if_intersect): New. Helper functor to make
3921         std::set_intersection a query.
3922         (detect_odr_violations): Compare sets of lines instead of just
3923         one line for each function. This became less deterministic, but
3924         has fewer false positives.
3925         * symtab.h: Declarations.
3926         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
3927         mix an optimized and non-optimized object in the same binary
3928         (odr_violation2.so): Same.
3929         * testsuite/Makefile.in: Regenerate from Makefile.am.
3930         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
3931         * testsuite/debug_msg.sh: Update line numbers and add
3932         assertions.
3933         * testsuite/odr_violation1.cc: Use OdrDerived, in a
3934         non-optimized context.
3935         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
3936         isn't inlined, and use OdrDerived in an optimized context.
3937         * testsuite/odr_header1.h: Defines OdrDerived, where
3938         optimization will change the
3939         first-instruction-in-the-destructor's file and line number.
3940         * testsuite/odr_header2.h: Defines OdrBase.
3941
3942 2011-03-09  Ian Lance Taylor  <iant@google.com>
3943
3944         * fileread.cc (File_read::clear_views): Don't delete the whole
3945         file view.
3946
3947 2011-03-08  Ian Lance Taylor  <iant@google.com>
3948
3949         PR gold/12525
3950         * fileread.cc: #include <climits>.
3951         (GOLD_IOV_MAX): Define.
3952         (File_read::read_multiple): Limit number of entries by iov_max.
3953         * fileread.h (class File_read): Always set max_readv_entries to
3954         128.
3955
3956 2011-03-07  Ian Lance Taylor  <iant@google.com>
3957
3958         PR gold/12525
3959         * options.h (class General_options): Add -dy and -dn.
3960
3961 2011-03-02  Cary Coutant  <ccoutant@google.com>
3962
3963         * testsuite/script_test_9.t: Add TLS segment.
3964
3965 2011-03-02  Simon Baldwin  <simonb@google.com>
3966
3967         * configure.ac: Add check for gnu_indirect_function support in
3968         the toolchain building binutils.
3969         * configure: Rebuild.
3970
3971 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
3972
3973         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
3974         plugin only symbols.
3975         (Symbol_table::sized_finalize_symbol) Mark symbol only present
3976         in plugin files as not needed in the symbol table.
3977
3978 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
3979
3980         * output.cc (Output_section::add_input_section): Delay fill
3981         generation for section ordering.
3982
3983 2011-02-09  Ian Lance Taylor  <iant@google.com>
3984
3985         PR gold/12316
3986         * object.h (class Sized_relobj): Remove clear_local_symbols.
3987         * reloc.cc (Sized_relobj::do_relocate): Don't call
3988         clear_local_symbols.
3989
3990 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
3991
3992         * plugin.cc (is_visible_from_outside): Return true for symbols
3993         in the -u option.
3994
3995 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
3996
3997         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
3998         filename.
3999
4000 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4001
4002         * icf.h (is_section_foldable_candidate): Change type of parameter
4003         to std::string.
4004         * icf.cc (Icf::find_identical_sections): Change type of local variable
4005         section_name to be std::string.
4006         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4007
4008 2011-01-25  Ian Lance Taylor  <iant@google.com>
4009
4010         * script.cc (script_add_extern): Rewrite to use
4011         add_symbol_reference.
4012
4013 2011-01-25  Doug Kwan  <dougkwan@google.com>
4014
4015         * icf.cc (get_section_contents): Always lock section's object.
4016
4017 2011-01-24  Ian Lance Taylor  <iant@google.com>
4018
4019         * options.h (class General_options): Accept
4020         --no-detect-odr-violations.
4021
4022 2011-01-24  Ian Lance Taylor  <iant@google.com>
4023
4024         * version.cc (version_string): Bump to 1.11.
4025
4026 2011-01-24  Ian Lance Taylor  <iant@google.com>
4027
4028         * plugin.cc (class Plugin_rescan): Define new class.
4029         (Plugin_manager::claim_file): Set any_claimed_.
4030         (Plugin_manager::save_archive): New function.
4031         (Plugin_manager::save_input_group): New function.
4032         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4033         necessary.
4034         (Plugin_manager::new_undefined_symbol): New function.
4035         (Plugin_manager::rescan): New function.
4036         (Plugin_manager::rescannable_defines): New function.
4037         (Plugin_manager::add_input_file): Set any_added_.
4038         * plugin.h (class Plugin_manager): define new fields rescannable_,
4039         undefined_symbols_, any_claimed_, and any_added_.  Declare
4040         Plugin_rescan as friend.  Declare new functions.
4041         (Plugin_manager::Rescannable): Define type.
4042         (Plugin_manager::Rescannable_list): Define type.
4043         (Plugin_manager::Undefined_symbol_list): Define type.
4044         (Plugin_manager::Plugin_manager): Initialize new fields.
4045         * archive.cc (Archive::defines_symbol): New function.
4046         (Add_archive_symbols::run): Pass archive to plugins if any.
4047         * archive.h (class Archive): Declare defines_symbol.
4048         * readsyms.cc (Input_group::~Input_group): New function.
4049         (Finish_group::run): Pass input_group to plugins if any.
4050         * readsyms.h (class Input_group): Declare destructor.
4051         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4052         any.
4053
4054 2011-01-10  Ian Lance Taylor  <iant@google.com>
4055
4056         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4057         section as relro.
4058         (Layout::set_segment_offsets): Reset increase_relro before calling
4059         set_section_addresses a second time.
4060
4061 2011-01-04  Cary Coutant  <ccoutant@google.com>
4062
4063         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4064         sections before NOBITS sections.
4065
4066 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4067
4068         * version.cc (print_version): Update copyright to 2011.
4069
4070 2010-12-23  Cary Coutant  <ccoutant@google.com>
4071
4072         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4073         of OS to this->add.  Add OD parameter to second form of the function.
4074
4075 2010-12-20  Ian Lance Taylor  <iant@google.com>
4076
4077         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4078         second of two consecutive entries with same offset.
4079
4080 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4081
4082         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4083         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4084         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4085         to avoid unneeded links against $(LDADD).
4086         * testsuite/Makefile.in: Regenerate.
4087
4088 2010-12-15  Ian Lance Taylor  <iant@google.com>
4089
4090         PR gold/12324
4091         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4092         for R_X86_64_32 and R_X86_64_PC32.
4093         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4094         ver_matching_def_pic.o.
4095         (ver_matching_def_pic.o): New target.
4096
4097 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4098
4099         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4100         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4101         Move definition before File_read::View member definitions.
4102         (File_read::View::~View): Initialize and hold lock before
4103         updating current_mapped_bytes.
4104
4105 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4106
4107         * dwarf_reader.cc: Remove outdated comment.
4108         * gold-threads.cc: Fix typo in error message.
4109         * archive.cc: Fix typos in comments.
4110         * archive.h: Likewise.
4111         * arm-reloc-property.cc: Likewise.
4112         * arm-reloc-property.h: Likewise.
4113         * arm-reloc.def: Likewise.
4114         * arm.cc: Likewise.
4115         * attributes.h: Likewise.
4116         * cref.cc: Likewise.
4117         * ehframe.cc: Likewise.
4118         * fileread.h: Likewise.
4119         * gold.h: Likewise.
4120         * i386.cc: Likewise.
4121         * icf.cc: Likewise.
4122         * incremental.h: Likewise.
4123         * int_encoding.cc: Likewise.
4124         * layout.h: Likewise.
4125         * main.cc: Likewise.
4126         * merge.h: Likewise.
4127         * object.cc: Likewise.
4128         * object.h: Likewise.
4129         * options.cc: Likewise.
4130         * readsyms.cc: Likewise.
4131         * reduced_debug_output.cc: Likewise.
4132         * reloc.cc: Likewise.
4133         * script-sections.cc: Likewise.
4134         * sparc.cc: Likewise.
4135         * symtab.h: Likewise.
4136         * target-reloc.h: Likewise.
4137         * target.cc: Likewise.
4138         * target.h: Likewise.
4139         * timer.cc: Likewise.
4140         * timer.h: Likewise.
4141         * x86_64.cc: Likewise.
4142
4143 2010-12-09  Cary Coutant  <ccoutant@google.com>
4144
4145         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4146         stack.
4147         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4148         parameter; change all callers.
4149         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4150         * options.h (warn_execstack): New option.
4151
4152 2010-12-07  Doug Kwan  <dougkwan@google.com>
4153
4154         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4155         like function call relocations.
4156
4157 2010-12-07  Ian Lance Taylor  <iant@google.com>
4158
4159         * archive.cc (Archive::get_elf_object_for_member): Permit
4160         punconfigured to be NULL.
4161         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4162         (Archive::include_member): Pass NULL to get_elf_object_for_member
4163         if we searched for the archive and this is the first included
4164         object.
4165
4166 2010-12-01  Ian Lance Taylor  <iant@google.com>
4167
4168         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4169         track_relocs_type_ field.
4170         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4171         Set track_relocs_type_.
4172         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4173         contents when using RELA relocs.
4174         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4175         reloc_map_.
4176         * reloc.cc (Track_relocs::next_addend): New function.
4177         * reloc.h (class Track_relocs): Declare next_addend.
4178
4179 2010-12-01  Ian Lance Taylor  <iant@google.com>
4180
4181         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4182         virtual destructor.
4183
4184 2010-12-01  Ian Lance Taylor  <iant@google.com>
4185
4186         * README: Update compilers known to work and fail.
4187
4188 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4189
4190         * configure.in: For --enable-gold, handle value `default' instead of
4191         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4192         not the default.
4193         * configure: Regenerate.
4194
4195 2010-11-18  Doug Kwan  <dougkwan@google.com>
4196
4197         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4198         and right_alignment to be zero.  Store result alignment only if it is
4199         greater than existing alignment.
4200
4201 2010-11-16  Cary Coutant  <ccoutant@google.com>
4202
4203         PR gold/12220
4204         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4205         Check for ".zdebug_line".
4206
4207 2010-11-16  Doug Kwan  <dougkwan@google.com>
4208             Cary Coutant  <ccoutant@google.com>
4209
4210         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4211         by reference; adjust all callers.
4212         * output.cc (Output_segment::set_section_addresses): Adjust references
4213         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4214         list is empty.
4215         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4216         end at page boundary.
4217
4218 2010-11-16  Cary Coutant  <ccoutant@google.com>
4219
4220         PR gold/12220
4221         * layout.cc (Layout::choose_output_section): Transform names of
4222         compressed sections even when using a script with a SECTIONS clause.
4223         (Layout::output_section_name): Remove code to transform
4224         compressed debug section names.
4225         * output.cc (Output_section::add_input_section): Use uncompressed
4226         section size when tracking input sections.
4227
4228 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4229
4230         * symtab.h (Symbol::NON_PIC_REF): Remove.
4231         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4232         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4233         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4234         (Symbol::use_plt_offset): Take a flags argument and pass it
4235         directly to needs_dynamic_reloc.  Restrict check for undefined
4236         weak symbols to function calls.
4237         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4238         (Target_arm::Scan::global): Use it.
4239         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4240         (Target_arm::Relocate::relocate): Likewise.
4241         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4242         parameter with an r_type parameter.  Use get_reference_flags
4243         to get the flags.
4244         (Target_arm::Relocate::relocate): Update accordingly.
4245         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4246         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4247         (Target_i386::Scan::global): Likewise.
4248         (Target_i386::Relocate::relocate): Likewise.
4249         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4250         parameter with an r_type parameter.  Use get_reference_flags
4251         to get the flags.
4252         (Target_i386::Relocate::relocate): Update accordingly.
4253         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4254         (Target_powerpc::Scan::global): Use it.
4255         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4256         (Target_powerpc::Relocate::relocate): Likewise.
4257         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4258         (Target_sparc::Scan::global): Use it.
4259         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4260         (Target_sparc::Relocate::relocate): Likewise.
4261         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4262         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4263         (Target_x86_64::Scan::global): Likewise.
4264         (Target_x86_64::Relocate::relocate): Likewise.
4265
4266 2010-11-08  Doug Kwan  <dougkwan@google.com>
4267             Cary Coutant  <ccoutant@google.com>
4268
4269         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4270         (Arm_exidx_merge_section::section_contents_): New data member.
4271         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4272         (Arm_input_section::~Arm_input_section): De-allocate memory.
4273         (Arm_input_section::original_contents_): New data member.
4274         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4275         in parameters instead of calling Object::section_contents without
4276         locking.
4277         (Arm_output_section::group_section): New parameter TASK.  Pass it
4278         to callees that need locking objects.
4279         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4280         to lock EXIDX input sections.  Fix a formatting issue.  Call
4281         Arm_exidx_merged_section::build_contents to create merged section
4282         contents.
4283         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4284         to lock object of stub table owner.
4285         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4286         TEXT_SIZE to initialize data member TEXT_SIZE_.
4287         (Arm_exidx_input_section::addralign): Fix typo in comment.
4288         (Arm_exidx_input_section::text_size): New method.
4289         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4290         that require locking objects.  Lock objects before scanning for stubs
4291         and updating local symbols.
4292         (Arm_input_section<big_endian>::init): Copy contents of original
4293         input section.
4294         (Arm_input_section<big_endian>::do_write): Use saved contents of
4295         original input section instead of calling Object::section_contents
4296         without locking.
4297         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4298         size without calling Object::section_size().
4299         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4300         for size.  Allocate a buffer for merged EXIDX entries.
4301         (Arm_exidx_merged_section::build_contents): New method.
4302         (Arm_exidx_merged_section::do_write): Move merge section contents
4303         building code to Arm_exidx_merged_section::build_contetns.  Write
4304         out contetns in buffer instead of building it on the fly.
4305         (Arm_relobj::make_exidx_input_section): Also pass text section size
4306         to Arm_exidx_input_section constructor.
4307         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
4308         (Arm_dynobj::do_read_symbols): Fix memory leak.
4309         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
4310         * target.h: (class Task): Add forward declaration.
4311         (Target::relax): Add new parameter TASK and pass it to
4312         Target::do_relax().
4313         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
4314
4315 2010-11-05  Cary Coutant  <ccoutant@google.com>
4316
4317         PR gold/10708
4318         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
4319         object when reading from the file.
4320         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
4321         second layout pass.
4322         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
4323         when reading section contents.
4324         (get_section_contents): Likewise.
4325         (icf::find_identical_sections): Likewise.
4326         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
4327         object when reading from the file.
4328         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
4329         the object when doing deferred section layout.
4330
4331 2010-11-03  Nick Clifton  <nickc@redhat.com>
4332
4333         PR gold/12001
4334         * script.h (class Symbol_assignment: name): New member.  Returns
4335         the name of the symbol.
4336         * scrfipt.cc (Script_options::is_pending_assignment): New member.
4337         Returns true if the given symbol name is on the list of
4338         assignments wating to be processed.
4339         * archive.cc (should_incldue_member): If the symbol is undefined,
4340         check to see if it is on the list of symbols pending assignment.
4341
4342 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
4343
4344         * script-sections.cc (Script_sections::find_memory_region): Check
4345         for a NULL output section pointer.
4346
4347 2010-10-29  Doug Kwan  <dougkwan@google.com>
4348
4349         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
4350         Output_section::add_relaxed_input_section.
4351         * output.cc (Output_section::add_relaxed_input_section): Add new
4352         arguments LAYOUT and NAME.  Set section order index.
4353         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4354         Copy section order index.
4355         * output.h (Output_section::add_relaxed_input_section): Add new
4356         arguments LAYOUT and NAME.
4357
4358 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4359
4360         * testsuite/Makefile.am: Move gcctestdir/ld rule to
4361         NATIVE_OR_CROSS_LINKER.
4362         * testsuite/Makefile.in: Regenerate.
4363
4364 2010-10-20  Doug Kwan  <dougkwan@google.com>
4365
4366         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
4367         without SHF_LINK_ORDER flags.
4368         * layout.cc (Layout::choose_output_section): Do not filter
4369         SHF_LINK_ORDER flag in a relocatable link.
4370
4371 2010-10-17  Cary Coutant  <ccoutant@google.com>
4372
4373         * output.h (Output_segment::set_section_addresses): Change function
4374         signature.  Update all callers.
4375         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
4376         sections.
4377         (Output_segment::set_section_addresses): Align after last TLS
4378         section.  Add padding before last relro section instead of after.
4379
4380 2010-10-17  Doug Kwan  <dougkwan@google.com>
4381
4382         * gold/arm.cc (Target_arm::got_section): Use correct order and set
4383         GOT output section to be writable.
4384
4385 2010-10-14  Cary Coutant  <ccoutant@google.com>
4386
4387         * debug.h (DEBUG_INCREMENTAL): New flag.
4388         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
4389         * gold.cc (queue_initial_tasks): Check parameters for incremental link
4390         mode.
4391         * incremental.cc (report_command_line): Ignore all forms of
4392         --incremental.
4393         * layout.cc (Layout::Layout): Check parameters for incremental link
4394         mode.
4395         * options.cc (General_options::parse_incremental): New function.
4396         (General_options::parse_no_incremental): New function.
4397         (General_options::parse_incremental_full): New function.
4398         (General_options::parse_incremental_update): New function.
4399         (General_options::incremental_mode_): New data member.
4400         (General_options::finalize): Check incremental_mode_.
4401         * options.h (General_options): Update help text for --incremental.
4402         Add --no-incremental, --incremental-full, --incremental-update.
4403         (General_options::Incremental_mode): New enum type.
4404         (General_options::incremental_mode): New function.
4405         (General_options::incremental_mode_): New data member.
4406         * parameters.cc (Parameters::incremental_mode_): New data member.
4407         (Parameters::set_options): Set incremental_mode_.
4408         (Parameters::set_incremental_full): New function.
4409         (Parameters::incremental): New function.
4410         (Parameters::incremental_update): New function.
4411         (set_parameters_incremental_full): New function.
4412         * parameters.h (Parameters::set_incremental_full): New function.
4413         (Parameters::incremental): New function.
4414         (Parameters::incremental_update): New function.
4415         (Parameters::incremental_mode_): New data member.
4416         (set_parameters_incremental_full): New function.
4417         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
4418         incremental link mode.
4419         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
4420         (Sized_relobj::do_relocate_sections): Likewise.
4421         * testsuite/Makefile.am (incremental_test): Use --incremental-full
4422         option.
4423         * testsuite/Makefile.in: Regenerate.
4424         * testsuite/incremental_test.sh: Filter all forms of --incremental.
4425
4426 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4427
4428         * script-sections.h (class Script_sections): Make
4429         Sections_elements typedef public.
4430         * script-sections.cc (class Sort_output_sections): Add elements_
4431         field.  Add constructor which sets it; change all callers.
4432         (Sort_output_sections::is_before): New function.
4433         (Sort_output_sections::operator()): Call is_before.
4434         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
4435         conditional.
4436         * testsuite/script_test_10.sh: New test. Test script section
4437         order.
4438         * testsuite/script_test_10.t: Likewise.
4439         * testsuite/script_test_10.s: Likewise.
4440         * testsuite/Makefile.am: Wrap the cross linker tests and the
4441         common tests into NATIVE_OR_CROSS_LINKER.
4442         (check_SCRIPTS): Add script_test_10.sh.
4443         (check_DATA): Add script_test_10.stdout.
4444         (script_test_10.o, script_test_10): New targets.
4445         (script_test_10.stdout): New target.
4446         * configure, testsuite/Makefile.in: Regenerate.
4447
4448 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4449
4450         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
4451         error for the deprecated relocations.
4452         (Target_arm::Scan::global): Likewise.
4453         (Target_arm::Relocate::relocate): Likewise.
4454
4455 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
4456
4457         * fileread.cc (Input_file::find_file): Initialize *found_name
4458         and *namep when using the fallback search for case 4.
4459
4460 2010-10-11  Cary Coutant  <ccoutant@google.com>
4461
4462         * options.h (class General_options): Redefine -z lazy as an alias for
4463         the negation of -z now.
4464
4465 2010-10-11  Ian Lance Taylor  <iant@google.com>
4466
4467         * resolve.cc (symbol_to_bits): Report the value of the unsupported
4468         binding.
4469
4470 2010-10-06  Nick Clifton  <nickc@redhat.com>
4471
4472         * script-sections.cc(class Memory_region): Remove
4473         current_lma_offset_ field.  Rename current_vma_offset_ to
4474         current_offset_.  Add last_section_ field.
4475         (Memory_region::get_current_vma_address): Rename to
4476         get_current_address.
4477         (Memory_region::get_current_lma_address): Delete.
4478         (Memory_region::increment_vma_offset): Rename to
4479         increment_offset.
4480         (Memory_region::increment_lma_offset): Delete.
4481         (Memory_region::attributes_compatible): New method.  Returns
4482         true if the provided section is compatible with the region.
4483         (Memory_region::get_last_section): New method.  Returns the last
4484         section to use the region.
4485         (Memory_region::set_last_section): New method.  Stores the last
4486         section to use the region.
4487         (Script_sections::block_in_region): New method.  Returns true if
4488         a block of memory is contained within a region.
4489         (Script_sections::find_memory_region): New method.  Locates a
4490         memory region to be used to set a VMA or LMA address.
4491         (Output_section_definition::set_section_addresses): Add code to
4492         check for addresses set by memory regions.
4493         (Output_segment::set_section_addresses): Remove memory region
4494         walking code.
4495         (Script_sections::create_segment): Add a warning if a header
4496         segment is created outside of any region.
4497         * script-sections.h (class Script_sections): Add prototypes for
4498         find_memory_region and block_in_region methods.
4499         * testsuite/memory_test.s: Use .long instead of .word.
4500         * testsuite/memory_test.t: Add some more output sections.
4501         * testsuite/memory_test.sh: Update expected output.
4502
4503 2010-10-02  Doug Kwan  <dougkwan@google.com>
4504
4505         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
4506         defintion to symtab.h
4507         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
4508         declaration to defintion.
4509
4510 2010-10-01  Nick Clifton  <nickc@redhat.com>
4511
4512         * expression.cc (eval): Replace dummy argument with NULL.
4513         (eval_maybe_dot): Check for a NULL result section pointer.
4514         (Symbol_expression::value): Likewise.
4515         (Dot_expression::value): Likewise.
4516         (BINARY_EXPRESSION): Likewise.
4517         (Max_expression::value): Likewise.
4518         (Min_expression::value): Likewise.
4519         (Absolute_expression::value): Likewise.
4520         (Addr_expression::value_from_output_section): Likewise.
4521         (Loaddddr_expression::value_from_output_section): Likewise.
4522         (Segment_start_expression::value): Likewise.
4523         * script-sections.cc
4524         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
4525         argument with NULL.
4526         (Sections_elememt_dot_assignment::set_section_addresses):
4527         Likewise.
4528         (Output_data_expression::do_write_to_buffer): Likewise.
4529         (Output_section_definition::finalize_symbols): Likewise.
4530         (Output_section_definition::set_section_addresses): Likewise.
4531
4532 2010-09-30  Doug Kwan  <dougkwan@google.com>
4533
4534         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
4535
4536 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
4537
4538         * target.h (Target::can_icf_inline_merge_sections): New virtual
4539         function.
4540         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
4541         virtual function.
4542         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
4543         virtual function.
4544         * icf.cc (get_section_contents): Inline merge sections only when
4545         target allows it.
4546
4547 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4548
4549         * configure: Regenerate.
4550
4551 2010-09-17  Ian Lance Taylor  <iant@google.com>
4552
4553         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
4554         * testsuite/Makefile.am (memory_test.o): New target.
4555         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
4556         memory_test.t.
4557         * testsuite/Makefile.in: Rebuild.
4558
4559 2010-09-17  Doug Kwan  <dougkwan@google.com>
4560
4561         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
4562         defintion if relocation uses GOT entries of the symbol.
4563         * testsuite/icf_safe_test.sh: Fix test.
4564         * testsuite/icf_safe_so_test.sh: Fix test.
4565
4566 2010-09-16  Cary Coutant  <ccoutant@google.com>
4567
4568         * script_sections.cc (class Memory_region): Remove "NULL" from
4569         vector initializations.
4570
4571 2010-09-15  Cary Coutant  <ccoutant@google.com>
4572
4573         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
4574         Resolve forwarding symbols.
4575
4576 2010-09-15  Doug Kwan  <dougkwan@google.com>
4577
4578         * gold/testsuite/script_test_3.t: Add ARM special sections.
4579         * gold/testsuite/script_test_4.t: Same.
4580         * gold/testsuite/script_test_5.t: Same.
4581         * gold/testsuite/script_test_6.t: Same.
4582         * gold/testsuite/script_test_7.t: Same.
4583         * gold/testsuite/script_test_7.t: Same.
4584         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
4585
4586 2010-09-14  Cary Coutant  <ccoutant@google.com>
4587
4588         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
4589         (Target_x86_64::Relocate::relocate_tls): Replace check for
4590         saw_tls_block_reloc_ with test for executable section.
4591
4592 2010-09-12  Cary Coutant  <ccoutant@google.com>
4593
4594         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
4595         position-independent executables to shared libraries need dynamic
4596         relocations.
4597         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
4598         position-independent executables.
4599         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
4600         * testsuite/Makefile.in: Regenerate.
4601
4602 2010-09-10  Nick Clifton  <nickc@redhat.com>
4603
4604         PR gold/11997
4605         * testsuite/memory_test.t: Discard any sections that are not
4606         needed.
4607
4608 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
4609
4610         PR gold/11996
4611         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
4612         "This::" to work around a bug in gcc 4.2.
4613
4614         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
4615
4616 2010-09-09  Rafael Espindola  <espindola@google.com>
4617
4618         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
4619         sections with different PF_X flags in the same segment.
4620         (Layout::find_first_load_seg): Search all segments to find the first
4621         one.
4622         * options.h (rosegment): New.
4623
4624 2010-09-08  Rafael Espindola  <espindola@google.com>
4625
4626         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
4627
4628 2010-09-08  Doug Kwan  <dougkwan@google.com>
4629
4630         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
4631         (Arm_relobj::do_relocate_sections): Add new parameter for output
4632         file to match the parent.
4633         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
4634         of local symbols instead of input values.  Update code to track
4635         changes in gold::relocate_section.
4636         * object.cc (Sized_relobj::compute_final_local_value): New methods.
4637         (Sized_relobj::compute_final_local_value_internal): New methods.
4638         (Sized_relobj::do_finalize_local_symbols): Move code from loop
4639         body into private version of Sized_relobj::compute_final_local_value.
4640         Call the inline method.
4641         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
4642         merged symbol value if there is one.
4643         (Symbol_value::has_output_value): New method defintiion.
4644         (Sized_relobj::Compute_final_local_value_status): New enum type.
4645         (Sized_relobj::compute_final_local_value): New methods.
4646         (Sized_relobj::compute_final_local_value_internal): New methods.
4647         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
4648         and arm_cortex_a8.sh.
4649         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
4650         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
4651         New tests.
4652         * Makefile.in: Regenerate.
4653         * testsuite/arm_bl_out_of_range.s: Update test.
4654         * testsuite/thumb_bl_out_of_range.s: Ditto.
4655         * testsuite/thumb_blx_out_of_range.s: Ditto.
4656         * testsuite/arm_branch_out_of_range.sh: New file.
4657         * testsuite/arm_cortex_a8.sh: Ditto.
4658         * testsuite/arm_cortex_a8_b.s: Ditto.
4659         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
4660         * testsuite/arm_cortex_a8_b_local.s: Ditto.
4661         * testsuite/arm_cortex_a8_bl.s: Ditto.
4662         * testsuite/arm_cortex_a8_blx.s: Ditto.
4663         * testsuite/arm_cortex_a8_local.s: Ditto.
4664         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
4665         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
4666
4667 2010-09-08  Rafael Espindola  <espindola@google.com>
4668
4669         * Makefile.am (memory_test.stdout): Run readelf with -W.
4670         * Makefile.in: Regenerate.
4671         * testsuite/memory_test.sh: Make the regexps accept both 32 and
4672         64 bit output.
4673
4674 2010-09-08  Rafael Espindola  <espindola@google.com>
4675
4676         * script-sections.cc (Script_sections::add_memory_region): Convert
4677         field precision to int.
4678         * script.cc (script_set_section_region, script_set_section_region):
4679         Convert field precision to int.
4680
4681 2010-09-08  Rafael Espindola  <espindola@google.com>
4682
4683         * arm.cc (do_finalize_sections): Create the __exidx_start and
4684         __exdix_end symbols even when the section is missing.
4685
4686 2010-09-08  Nick Clifton  <nickc@redhat.com>
4687
4688         * README: Remove claim that MEMORY is not supported.
4689         * expression.cc (script_exp_function_origin)
4690         (script_exp_function_length): Move from here to ...
4691         * script.cc: ... here.
4692         (script_set_section_region, script_add_memory)
4693         (script_parse_memory_attr, script_include_directive): New
4694         functions.
4695         * script-sections.cc
4696         (class Memory_region): New class.
4697         (class Output_section_definition): Add set_memory_region,
4698         set_section_vma, set_section_lma and get_section_name methods.
4699         (class Script_Sections): Add add_memory_region,
4700         find_memory_region, find_memory_region_origin,
4701         find_memory_region_length and set_memory_region methods.
4702         Have set_section_addresses method walk the list of set memory
4703         regions.
4704         Extend the print methos to display memory regions.
4705         * script-sections.h: Add prototypes for new methods.
4706         Add enum for MEMORY region attributes.
4707         * yyscript.y: Add support for parsing MEMORY regions.
4708         * script-c.h: Add prototypes for new functions.
4709         * testsuite/Makefile.am: Add test of MEMORY region functionality.
4710         * testsuite/Makefile.in: Regenerate.
4711         * testsuite/memory_test.sh: New script.
4712         * testsuite/memory_test.s: New assembler source file.
4713         * testsuite/memory_test.t: New linker script.
4714
4715 2010-08-27  Doug Kwan  <dougkwan@google.com>
4716
4717         * gold/resolve.cc (Symbol_table::should_override): Let a weak
4718         reference override an existing dynamic weak reference.
4719         * testsuite/Makefile.am: Add new test dyn_weak_ref.
4720         * testsuite/Makefile.in: Regenerate.
4721         * testsuite/dyn_weak_ref.sh: New file.
4722         * testsuite/dyn_weak_ref_1.c: Ditto.
4723         * testsuite/dyn_weak_ref_2.c: Ditto.
4724
4725 2010-08-27  Ian Lance Taylor  <iant@google.com>
4726
4727         * incremental.h (class Incremental_input_entry): Add virtual
4728         destructor.
4729
4730 2010-08-27  Ian Lance Taylor  <iant@google.com>
4731
4732         * testsuite/start_lib_test_3.c: Mark t3 as used.
4733
4734 2010-08-27  Nick Clifton  <nickc@redhat.com>
4735
4736         * options.cc (version_script): Fix small typo in previous
4737         whitespace tidyup.
4738
4739 2010-08-25  Nick Clifton  <nickc@redhat.com>
4740
4741         * archive.cc: Formatting fixes: Remove whitespace between
4742         typename and following asterisk.  Remove whitespace between
4743         function name and opening parenthesis.
4744         * archive.h: Likewise.
4745         * arm.cc: Likewise.
4746         * attributes.cc: Likewise.
4747         * attributes.h: Likewise.
4748         * common.cc: Likewise.
4749         * copy-relocs.cc: Likewise.
4750         * dirsearch.h: Likewise.
4751         * dynobj.cc: Likewise.
4752         * ehframe.cc: Likewise.
4753         * ehframe.h: Likewise.
4754         * expression.cc: Likewise.
4755         * fileread.cc: Likewise.
4756         * fileread.h: Likewise.
4757         * gc.h: Likewise.
4758         * gold-threads.cc: Likewise.
4759         * gold.cc: Likewise.
4760         * i386.cc: Likewise.
4761         * icf.h: Likewise.
4762         * incremental-dump.cc: Likewise.
4763         * incremental.cc: Likewise.
4764         * layout.cc: Likewise.
4765         * layout.h: Likewise.
4766         * main.cc: Likewise.
4767         * merge.cc: Likewise.
4768         * merge.h: Likewise.
4769         * object.cc: Likewise.
4770         * object.h: Likewise.
4771         * options.cc: Likewise.
4772         * options.h: Likewise.
4773         * output.cc: Likewise.
4774         * output.h: Likewise.
4775         * plugin.cc: Likewise.
4776         * plugin.h: Likewise.
4777         * powerpc.cc: Likewise.
4778         * reloc.cc: Likewise.
4779         * script-c.h: Likewise.
4780         * script-sections.cc: Likewise.
4781         * script.cc: Likewise.
4782         * stringpool.cc: Likewise.
4783         * symtab.cc: Likewise.
4784         * symtab.h: Likewise.
4785         * target.cc: Likewise.
4786         * timer.cc: Likewise.
4787         * timer.h: Likewise.
4788         * version.cc: Likewise.
4789         * x86_64.cc: Likewise.
4790
4791 2010-08-24  Nick Clifton  <nickc@redhat.com>
4792
4793         PR 11899
4794         * layout.cc (segment_precedes): Sort segments by their physical
4795         addresses, if they have been set.
4796
4797 2010-08-23  Cary Coutant  <ccoutant@google.com>
4798
4799         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
4800         symbols data.
4801         (Lib_group::include_member): Unlock object after deleting its
4802         symbols data.
4803         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
4804         the bug fixed here.
4805
4806 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
4807             Cary Coutant  <ccoutant@google.com>
4808
4809         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
4810         constructor, and set_blocker.
4811         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
4812         readsyms_blocker_.
4813         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
4814         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
4815         * testsuite/Makefile.am (start_lib_test): New test case.
4816         * testsuite/Makefile.in: Regenerate.
4817         * testsuite/start_lib_test_main.c: New file.
4818         * testsuite/start_lib_test_1.c: New file.
4819         * testsuite/start_lib_test_2.c: New file.
4820         * testsuite/start_lib_test_3.c: New file.
4821
4822 2010-08-19  Ian Lance Taylor  <iant@google.com>
4823
4824         * Makefile.in: Rebuild with automake 1.11.1.
4825         * aclocal.m4: Likewise.
4826         * testsuite/Makefile.in: Likewise.
4827
4828 2010-08-19  Ian Lance Taylor  <iant@google.com>
4829
4830         PR 10893
4831         * i386.cc (class Output_data_plt_i386): Update declarations.
4832         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
4833         local_ifuncs_ fields.
4834         (Target_i386::do_plt_section_for_global): New function.
4835         (Target_i386::do_plt_section_for_local): New function.
4836         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
4837         parameter; change all callers.  Initialize global_ifuncs_ and
4838         local_ifuncs_.  If doing a static link define __rel_iplt_start and
4839         __rel_iplt_end.
4840         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
4841         (Output_data_plt_i386::add_local_ifunc_entry): New function.
4842         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
4843         symbols.
4844         (Target_i386::make_plt_section): New function, broken out of
4845         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
4846         (Target_i386::make_plt_entry): Call make_plt_section.
4847         (Target_i386::make_local_ifunc_plt_entry): New function.
4848         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
4849         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
4850         R_386_IRELATIVE to switch.
4851         (Target_i386::Scan::global): Likewise.
4852         (Target_i386::Relocate::relocate): Likewise.
4853         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
4854         switch.
4855         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
4856         (Target_x86_64::do_plt_section_for_global): New function.
4857         (Target_x86_64::do_plt_section_for_local): New function.
4858         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
4859         parameter; change all callers.  If doing a static link define
4860         __rela_iplt_start and __rela_iplt_end.
4861         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
4862         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
4863         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
4864         to point to .plt.
4865         (Target_x86_64::make_local_ifunc_plt_entry): New function.
4866         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
4867         switch.
4868         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
4869         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
4870         R_X86_64_IRELATIVE to switch.
4871         (Target_x86_64::Scan::global): Likewise.
4872         (Target_x86_64::Relocate::relocate): Likewise.
4873         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
4874         switch.
4875         * target.h (class Target): Add plt_section_for_global and
4876         plt_section_for_local functions.  Add do_plt_section_for_global
4877         and do_plt_section_for_local virtual functions.
4878         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
4879         clarifying comments.
4880         (Symbol::use_plt_offset): Handle IFUNC symbol.
4881         * object.cc (Sized_relobj::Sized_relobj): Initialize
4882         local_plt_offsets_.
4883         (Sized_relobj::local_has_plt_offset): New function.
4884         (Sized_relobj::local_plt_offset): New function.
4885         (Sized_relobj::set_local_plt_offset): New function.
4886         (Sized_relobj::do_count): Handle IFUNC symbol.
4887         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
4888         a bit away from input_shndx_ field.  Add set_is_func_symbol and
4889         is_ifunc_symbol functions.
4890         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
4891         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
4892         local_plt_offsets_ field.
4893         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
4894         * output.h (class Output_section_data): Add non-const
4895         output_section function.
4896         (class Output_data_got): Update declarations.
4897         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
4898         Add use_plt_offset parameter to global and local constructors.
4899         Change all callers.  Change local_sym_index_ field to 31 bits.
4900         Change GSYM_CODE and CONSTANT_CODE accordingly.
4901         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
4902         doing a static link don't set sh_link field.
4903         (Output_data_got::Got_entry::write): Use PLT offset if
4904         appropriate.
4905         (Output_data_got::add_global_plt): New function.
4906         (Output_data_got::add_local_plt): New function.
4907         * target-reloc.h (relocate_section): Handle IFUNC symbol.
4908         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
4909         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
4910         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
4911         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
4912         IFUNC conditional.
4913         * testsuite/ifunc-sel.h: New file.
4914         * testsuite/ifuncmain1.c: New file.
4915         * testsuite/ifuncmain1vis.c: New file.
4916         * testsuite/ifuncmod1.c: New file.
4917         * testsuite/ifuncdep2.c: New file.
4918         * testsuite/ifuncmain2.c: New file.
4919         * testsuite/ifuncmain3.c: New file.
4920         * testsuite/ifuncmod3.c: New file.
4921         * testsuite/ifuncmain4.c: New file.
4922         * testsuite/ifuncmain5.c: New file.
4923         * testsuite/ifuncmod5.c: New file.
4924         * testsuite/ifuncmain6pie.c: New file.
4925         * testsuite/ifuncmod6.c: New file.
4926         * testsuite/ifuncmain7.c: New file.
4927         * configure, testsuite/Makefile.in: Rebuild.
4928
4929 2010-08-18  Ian Lance Taylor  <iant@google.com>
4930
4931         * incremental.cc
4932         (Output_section_incremental_inputs::write_input_files): Add cast
4933         to avoid signed/unsigned comparison warning.
4934         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4935
4936 2010-08-12  Cary Coutant  <ccoutant@google.com>
4937
4938         * common.cc (Sort_commons::operator()): Remove unnecessary code.
4939
4940 2010-08-13  Ian Lance Taylor  <iant@google.com>
4941
4942         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
4943
4944 2010-08-12  Cary Coutant  <ccoutant@google.com>
4945             Doug Kwan  <dougkwan@google.com>
4946
4947         * resolve.cc (Symbol_table::should_override): When a weak dynamic
4948         defintion overrides non-weak undef, remember that the original undef
4949         is not weak.
4950         * symtab.cc (Symbol_table::sized_write_global): For undef without
4951         an original weak binding, set binding to global in output.
4952         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
4953         * testsuite/Makefile.in: Regenerate.
4954         * testsuite/strong_ref_weak_def.sh: New file.
4955         * testsuite/strong_ref_weak_def_1.c: Ditto.
4956         * testsuite/strong_ref_weak_def_2.c: Ditto.
4957
4958 2010-08-12  Cary Coutant  <ccoutant@google.com>
4959
4960         * testsuite/incremental_test.sh: Rewrite.
4961         * testsuite/incremental_test_1.c: Rewrite.
4962         * testsuite/incremental_test_2.c: Rewrite.
4963
4964 2010-08-12  Cary Coutant  <ccoutant@google.com>
4965
4966         * arm.cc (Target_arm::got_size): Add const.
4967         (Target_arm::got_entry_count): New function.
4968         (Target_arm::plt_entry_count): New function.
4969         (Target_arm::first_plt_entry_offset): New function.
4970         (Target_arm::plt_entry_size): New function.
4971         (Output_data_plt_arm::entry_count): New function.
4972         (Output_data_plt_arm::first_plt_entry_offset): New function.
4973         (Output_data_plt_arm::get_plt_entry_size): New function.
4974         * i386.cc (Target_i386::got_size): Add const.
4975         (Target_i386::got_entry_count): New function.
4976         (Target_i386::plt_entry_count): New function.
4977         (Target_i386::first_plt_entry_offset): New function.
4978         (Target_i386::plt_entry_size): New function.
4979         (Output_data_plt_i386::entry_count): New function.
4980         (Output_data_plt_i386::first_plt_entry_offset): New function.
4981         (Output_data_plt_i386::get_plt_entry_size): New function.
4982         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
4983         find_incremental_inputs_sections.  Dump incremental_got_plt section.
4984         * incremental.cc: Include target.h.
4985         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
4986         parameter.  Adjust all callers.  Find incremental_got_plt section.
4987         (Incremental_inputs::create_data_sections): Create incremental_got_plt
4988         section.
4989         (Output_section_incremental_inputs::set_final_data_size): Calculate
4990         size of incremental_got_plt section.
4991         (Output_section_incremental_inputs::do_write): Write the
4992         incremental_got_plt section.
4993         (Got_plt_view_info): New struct.
4994         (Local_got_offset_visitor): New class.
4995         (Global_got_offset_visitor): New class.
4996         (Global_symbol_visitor_got_plt): New class.
4997         (Output_section_incremental_inputs::write_got_plt): New function.
4998         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
4999         Add parameter.  Adjust all callers.
5000         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5001         (Incremental_inputs::got_plt_section): New function.
5002         (Incremental_inputs::got_plt_section_): New data member.
5003         (Incremental_got_plt_reader): New class.
5004         * layout.cc (Layout::create_incremental_info_sections): Add the
5005         incremental_got_plt section.
5006         * object.h (Got_offset_list::get_list): New function.
5007         (Got offset_list::for_all_got_offsets): New function.
5008         (Sized_relobj::local_got_offset_list): New function.
5009         * powerpc.cc (Target_powerpc::got_size): Add const.
5010         (Target_powerpc::got_entry_count): New function.
5011         (Target_powerpc::plt_entry_count): New function.
5012         (Target_powerpc::first_plt_entry_offset): New function.
5013         (Target_powerpc::plt_entry_size): New function.
5014         (Output_data_plt_powerpc::entry_count): New function.
5015         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5016         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5017         * sparc.cc (Target_sparc::got_size): Add const.
5018         (Target_sparc::got_entry_count): New function.
5019         (Target_sparc::plt_entry_count): New function.
5020         (Target_sparc::first_plt_entry_offset): New function.
5021         (Target_sparc::plt_entry_size): New function.
5022         (Output_data_plt_sparc::entry_count): New function.
5023         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5024         (Output_data_plt_sparc::get_plt_entry_size): New function.
5025         * symtab.h (Symbol::got_offset_list): New function.
5026         (Symbol_table::for_all_symbols): New function.
5027         * target.h (Sized_target::got_entry_count): New function.
5028         (Sized_target::plt_entry_count): New function.
5029         (Sized_target::plt_entry_size): New function.
5030         * x86_64.cc (Target_x86_64::got_size): Add const.
5031         (Target_x86_64::got_entry_count): New function.
5032         (Target_x86_64::plt_entry_count): New function.
5033         (Target_x86_64::first_plt_entry_offset): New function.
5034         (Target_x86_64::plt_entry_size): New function.
5035         (Output_data_plt_x86_64::entry_count): New function.
5036         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5037         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5038
5039 2010-08-12  Cary Coutant  <ccoutant@google.com>
5040
5041         * archive.cc: Include incremental.h.
5042         (Archive::Archive): Initialize incremental_info_.
5043         (Archive::include_member): Record archive members in incremental info.
5044         (Add_archive_symbols::run): Record begin and end of an archive in
5045         incremental info.
5046         (Lib_group::include_member): Record objects in incremental info.
5047         * archive.h (Incremental_archive_entry): Forward declaration.
5048         (Archive::set_incremental_info): New member function.
5049         (Archive::incremental_info): New member function.
5050         (Archive::Unused_symbol_iterator): New class.
5051         (Archive::unused_symbols_begin): New member function.
5052         (Archive::unused_symbols_end): New member function.
5053         (Archive::incremental_info_): New data member.
5054         * incremental-dump.cc (find_input_containing_global): New function.
5055         (dump_incremental_inputs): Dump new incremental info sections.
5056         * incremental.cc: Include symtab.h.
5057         (Output_section_incremental_inputs): New class.
5058         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5059         new incremental info sections.
5060         (Sized_incremental_binary::do_check_inputs): Likewise.
5061         (Incremental_inputs::report_archive): Remove.
5062         (Incremental_inputs::report_archive_begin): New function.
5063         (Incremental_inputs::report_archive_end): New function.
5064         (Incremental_inputs::report_object): New function.
5065         (Incremental_inputs::finalize_inputs): Remove.
5066         (Incremental_inputs::report_input_section): New function.
5067         (Incremental_inputs::report_script): Rewrite.
5068         (Incremental_inputs::finalize): Do nothing but finalize string table.
5069         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5070         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5071         (Incremental_inputs::create_data_sections): New function.
5072         (Incremental_inputs::relocs_entsize): New function.
5073         (Output_section_incremental_inputs::set_final_data_size): New function.
5074         (Output_section_incremental_inputs::do_write): New function.
5075         (Output_section_incremental_inputs::write_header): New function.
5076         (Output_section_incremental_inputs::write_input_files): New function.
5077         (Output_section_incremental_inputs::write_info_blocks): New function.
5078         (Output_section_incremental_inputs::write_symtab): New function.
5079         * incremental.h (Incremental_script_entry): Forward declaration.
5080         (Incremental_object_entry): Forward declaration.
5081         (Incremental_archive_entry): Forward declaration.
5082         (Incremental_inputs): Forward declaration.
5083         (Incremental_inputs_header_data): Remove.
5084         (Incremental_inputs_header): Remove.
5085         (Incremental_inputs_header_write): Remove.
5086         (Incremental_inputs_entry_data): Remove.
5087         (Incremental_inputs_entry): Remove.
5088         (Incremental_inputs_entry_write): Remove.
5089         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5090         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5091         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5092         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5093         Likewise.
5094         (Incremental_input_entry): New class.
5095         (Incremental_script_entry): New class.
5096         (Incremental_object_entry): New class.
5097         (Incremental_archive_entry): New class.
5098         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5099         (Incremental_inputs::report_inputs): Remove.
5100         (Incremental_inputs::report_archive): Remove.
5101         (Incremental_inputs::report_archive_begin): New function.
5102         (Incremental_inputs::report_archive_end): New function.
5103         (Incremental_inputs::report_object): Change prototype.
5104         (Incremental_inputs::report_input_section): New function.
5105         (Incremental_inputs::report_script): Change prototype.
5106         (Incremental_inputs::get_reloc_count): New function.
5107         (Incremental_inputs::set_reloc_count): New function.
5108         (Incremental_inputs::create_data_sections): New function.
5109         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5110         (Incremental_inputs::inputs_section): New function.
5111         (Incremental_inputs::symtab_section): New function.
5112         (Incremental_inputs::relocs_section): New function.
5113         (Incremental_inputs::get_stringpool): Add const.
5114         (Incremental_inputs::command_line): Add const.
5115         (Incremental_inputs::inputs): Remove.
5116         (Incremental_inputs::command_line_key): New function.
5117         (Incremental_inputs::input_file_count): New function.
5118         (Incremental_inputs::input_files): New function.
5119         (Incremental_inputs::relocs_entsize): New function.
5120         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5121         (Incremental_inputs::finalize_inputs): Remove.
5122         (Incremental_inputs::Input_info): Remove.
5123         (Incremental_inputs::lock_): Remove.
5124         (Incremental_inputs::inputs_): Change type.
5125         (Incremental_inputs::inputs_map_): Remove.
5126         (Incremental_inputs::current_object_entry_): New data member.
5127         (Incremental_inputs::inputs_section_): New data member.
5128         (Incremental_inputs::symtab_section_): New data member.
5129         (Incremental_inputs::relocs_section_): New data member.
5130         (Incremental_inputs::reloc_count_): New data member.
5131         (Incremental_inputs_reader): New class.
5132         (Incremental_symtab_reader): New class.
5133         (Incremental_relocs_reader): New class.
5134         * layout.cc (Layout::finalize): Move finalization of incremental info
5135         and creation of incremental info sections to follow finalization of
5136         symbol table.  Set offsets for postprocessing sections.
5137         (Layout::create_incremental_info_sections): Call
5138         Incremental_inputs::create_data_sections.  Add incremental symtab
5139         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5140         sections to layout after input sections.
5141         * layout.h (struct Timespec): Forward declaration.
5142         (Layout::incremental_inputs): Add const.
5143         (Layout::create_incremental_info_sections): Add parameter.
5144         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5145         * object.cc: Include incremental.h.
5146         (Relobj::finalize_incremental_relocs): New function.
5147         (Sized_relobj::do_layout): Record input sections in incremental info.
5148         * object.h (Object::output_section): New function.
5149         (Object::output_section_offset): Moved from Relobj.
5150         (Object::get_incremental_reloc_base): New function.
5151         (Object::get_incremental_reloc_count): New function.
5152         (Object::do_output_section): New function.
5153         (Object::do_output_section_offset): Moved from Relobj.
5154         (Object::do_get_incremental_reloc_base): New function.
5155         (Object::do_get_incremental_reloc_count): New function.
5156         (Object::Object): Initialize new data members.
5157         (Relobj::output_section): Renamed do_output_section and moved to
5158         protected.
5159         (Relobj::output_section_offset): Moved to Object.
5160         (Relobj::do_get_incremental_reloc_base): New function.
5161         (Relobj::do_get_incremental_reloc_count): New function.
5162         (Relobj::allocate_incremental_reloc_counts): New function.
5163         (Relobj::count_incremental_reloc): New function.
5164         (Relobj::finalize_incremental_relocs): New function.
5165         (Relobj::next_incremental_reloc_index): New function.
5166         (Relobj::reloc_counts_): New data member.
5167         (Relobj::reloc_bases_): New data member.
5168         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5169         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5170         (Sized_relobj::incremental_relocs_scan): New function.
5171         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5172         (Sized_relobj::incremental_relocs_write): New function.
5173         (Sized_relobj::incremental_relocs_write_reltype): New function.
5174         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5175         incremental link.
5176         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5177         archives and object files elsewhere.
5178         (Add_symbols::run): Report object files here.
5179         (Finish_group::run): Report end of archive at end of group.
5180         * reloc.cc: Include layout.h, incremental.h.
5181         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5182         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5183         (Sized_relobj::incremental_relocs_scan): New function.
5184         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5185         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5186         (Sized_relobj::incremental_relocs_write): New function.
5187         (Sized_relobj::incremental_relocs_write_reltype): New function.
5188         * script.cc (read_input_script): Rewrite test for incremental link.
5189         Change call to Incremental_inputs::report_script.
5190         * symtab.h (Symbol_table::first_global_index): New function.
5191         (Symbol_table::output_count): New function.
5192
5193 2010-08-12  Doug Kwan  <dougkwan@google.com>
5194
5195         * arm.cc (Target_arm::merge_object_attributes): Check command line
5196         options --no-wchar-size-warning and --no-enum-size-warning.
5197         * options.h (General_options): Add ld-compatible options
5198         --no-enum-size-warning and --no-wchar-size-warning.
5199
5200 2010-08-04  Ian Lance Taylor  <iant@google.com>
5201
5202         * x86_64.cc (Target_x86_64::Scan::local): Use
5203         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5204         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5205         (Target_x86_64::Scan::global): Likewise.
5206         (Target_x86_64::Relocate::relocate): Likewise.
5207         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5208         Likewise.
5209
5210 2010-08-03  Cary Coutant  <ccoutant@google.com>
5211
5212         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5213         to reserve space in merged_strings vector. Keep total input size
5214         for stats.
5215         (Output_merge_string::do_print_merge_stats): Print total input size.
5216         * merge.h (Output_merge_string): Add input_size_ field.
5217         * stringpool.cc (Stringpool_template::string_length): Move
5218         implementations out of Stringpool_template class and place in
5219         stringpool.h.
5220         * stringpool.h (string_length): Move out of Stringpool_template.
5221
5222 2010-08-03  Ian Lance Taylor  <iant@google.com>
5223
5224         PR 11712
5225         * layout.cc (relaxation_loop_body): If address of load segment is
5226         set, adjust address to include headers if possible.
5227
5228 2010-08-03  Ian Lance Taylor  <iant@google.com>
5229
5230         * version.cc (version_string): Bump to 1.10.
5231
5232 2010-08-03  Ian Lance Taylor  <iant@google.com>
5233
5234         PR 11805
5235         * layout.h (enum Output_section_order): Define.
5236         (class Layout): Update declarations.
5237         * layout.cc (Layout::get_output_section): Add order parameter.
5238         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5239         is_first_non_relro parameters.  Change all callers.
5240         (Layout::choose_output_section): Likewise.
5241         (Layout::add_output_section_data): Likewise.
5242         (Layout::make_output_section): Likewise.  Set order.
5243         (Layout::default_section_order): New function.
5244         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5245         * output.cc (Output_section::Output_section): Initialize order_.
5246         Don't initialize deleted fields.
5247         (Output_segment::Output_segment): Don't initialize deleted
5248         fields.
5249         (Output_segment::add_output_section_to_load): New function
5250         replacing add_output_section.  Change all callers to call this or
5251         add_output_section_to_nonload.
5252         (Output_segment::add_output_section_to_nonload): New function.
5253         (Output_segment::remove_output_section): Rewrite.
5254         (Output_segment::add_initial_output_data): Likewise.
5255         (Output_segment::has_any_data_sections): Likewise.
5256         (Output_segment::is_first_section_relro): Likewise.
5257         (Output_segment::maximum_alignment): Likewise.
5258         (Output_segment::has_dynamic_reloc): New function replacing
5259         dynamic_reloc_count.  Change all callers.
5260         (Output_segment::has_dynamic_reloc_list): New function replacing
5261         dynamic_reloc_count_list.  Change all callers.
5262         (Output_segment::set_section_addresses): Rewrite.
5263         (Output_segment::set_offset): Rewrite.
5264         (Output_segment::find_first_and_last_list): Remove.
5265         (Output_segment::set_tls_offsets): Rewrite.
5266         (Output_segment::first_section_load_address): Likewise.
5267         (Output_segment::output_section_count): Likewise.
5268         (Output_segment::section_with_lowest_load_address): Likewise.
5269         (Output_segment::write_section_headers): Likewise.
5270         (Output_segment::print_sections_to_map): Likewise.
5271         * output.h (class Output_data): Remove dynamic_reloc_count_
5272         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5273         (Output_data::add_dynamic_reloc): Rewrite.
5274         (Output_data::has_dynamic_reloc): New function.
5275         (Output_data::dynamic_reloc_count): Remove.
5276         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5277         is_last_relro_, is_first_non_relro_, is_interp_,
5278         is_dynamic_linker_section_ fields.  Add order and set_order
5279         functions.  Remove is_relro_local, set_is_relro_local,
5280         is_last_relro, set_is_last_relro, is_first_non_relro,
5281         set_is_first_non_relro functions, is_interp, set_is_interp,
5282         is_dynamic_linker_section, and set_is_dynamic_linker_section
5283         functions.
5284         (class Output_segment): Change Output_data_list from std::list to
5285         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5286         output_bss_ fields.  Update declarations.
5287
5288 2010-08-02  Ian Lance Taylor  <iant@google.com>
5289
5290         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5291         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5292         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5293
5294 2010-08-02  Ian Lance Taylor  <iant@google.com>
5295
5296         PR 11855
5297         * script.cc (Script_options::Script_options): Initialize
5298         symbol_definitions_ and symbol_references_.
5299         (Script_options::add_symbol_assignment): Update
5300         symbol_definitions_ and symbol_references_.
5301         (Script_options::add_symbol_reference): New function.
5302         (script_symbol): New function.
5303         * script.h (class Script_options): Add symbol_definitions_ and
5304         symbol_references_ fields.
5305         (Script_options::referenced_const_iterator): New type.
5306         (Script_options::referenced_begin): New function.
5307         (Script_options::referenced_end): New function.
5308         (Script_options::is_referenced): New function.
5309         (Script_options::any_unreferenced): New function.
5310         * script-c.h (script_symbol): Declare.
5311         * yyscript.y (exp): Call script_symbol.
5312         * symtab.cc: Include "script.h".
5313         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
5314         Change all callers.  Check symbols referenced by scripts.
5315         (Symbol_table::add_undefined_symbols_from_command_line): Add
5316         layout parameter.  Change all callers.
5317         (Symbol_table::do_add_undefined_symbols_from_command_line):
5318         Likewise.  Break out loop body.  Check symbols referenced by
5319         scripts.
5320         (Symbol_table::add_undefined_symbol_from_command_line): New
5321         function broken out of
5322         do_add_undefined_symbols_from_command_line.
5323         * symtab.h (class Symbol_table): Update declarations.
5324         * archive.cc: Include "layout.h".
5325         (Archive::should_include_member): Add layout parameter.  Change
5326         all callers.  Check for symbol mentioned in expression.
5327         * archive.h (class Archive): Update declaration.
5328         * object.cc (Sized_relobj::do_should_include_member): Add layout
5329         parameter.
5330         * object.h (Object::should_include_member): Add layout parameter.
5331         Change all callers.
5332         (Object::do_should_include_member): Add layout parameter.
5333         (class Sized_relobj): Update declaration.
5334         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
5335         parameter.
5336         * dynobj.h (class Sized_dynobj): Update declaration.
5337         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
5338         layout parameter.
5339         * plugin.h (class Sized_pluginobj): Update declaration.
5340
5341 2010-08-02  Ian Lance Taylor  <iant@google.com>
5342
5343         PR 11866
5344         * output.cc (Output_segment::set_offset): Search for the first and
5345         last sections rather than assuming that the list is in order.
5346         (Output_segment::find_first_and_last_list): New function.
5347         * output.h (class Output_segment): Update declarations.
5348         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
5349         (relro_strip_test_SOURCES): New variable.
5350         (relro_strip_test_DEPENDENCIES): New variable.
5351         (relro_strip_test_LDFLAGS): New variable.
5352         (relro_strip_test_LDADD): New variable.
5353         (relro_strip_test.so): New target.
5354
5355 2010-08-02  Ian Lance Taylor  <iant@google.com>
5356
5357         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
5358         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
5359         (Target_i386::got_tlsdesc_section): New function.
5360         (Target_i386::got_section): Create space for GOT entries for
5361         TLSDESC relocations.
5362         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
5363         R_386_TLS_GOTDESC.
5364         (Target_i386::Scan::global): Likewise.
5365         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
5366         using TLSDESC GOT.
5367         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
5368         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
5369         (Target_x86_64::got_tlsdesc_section): New function.
5370         (Target_x86_64::got_section): Create space for GOT entries for
5371         TLSDESC relocations.
5372         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
5373         R_386_TLS_GOTDESC.
5374         (Target_x86_64::Scan::global): Likewise.
5375         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
5376         using TLSDESC GOT.
5377
5378 2010-08-02  Ian Lance Taylor  <iant@google.com>
5379
5380         * testsuite/final_layout.sh: Use dc to convert from hex to
5381         decimal.
5382
5383 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
5384
5385         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
5386         paramter to the call to gold::gc_process_relocs.
5387         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
5388         paramter to the call to gold::gc_process_relocs.
5389         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
5390         parameter to the call to gold::gc_process_relocs.
5391         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
5392         template parameter to the call to gold::gc_process_relocs.
5393         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
5394         paramter to the call to gold::gc_process_relocs.
5395         * gc.h (get_embedded_addend_size): New function.
5396         (gc_process_relocs): Save the size of the reloc for use by ICF.
5397         * icf.cc (get_section_contents): Get the addend from the text section
5398         for SHT_REL relocation sections.
5399         * icf.h (Icf::Reloc_addend_size_info): New typedef.
5400         (Icf::Reloc_info): Add new member reloc_addend_size_info.
5401         * int_encoding.h (read_from_pointer): New overloaded function.
5402         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
5403         * testsuite/icf_sht_rel_addend_test.sh: New file.
5404         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
5405         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
5406
5407 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5408
5409         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
5410         * Makefile.in: Regenerate.
5411         * testsuite/Makefile.in: Regenerate.
5412
5413 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
5414
5415         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
5416         * gold/testsuite/debug_msg.cc: Likewise.
5417         * gold/testsuite/odr_violation1.cc
5418         * gold/testsuite/odr_violation2.cc
5419
5420 2010-07-21  Cary Coutant  <ccoutant@google.com>
5421
5422         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
5423         string, and length fields.
5424         (Output_merge_string::Merged_strings_list): New type.
5425         (Output_merge_string::Merged_strings_lists): New typedef.
5426         (Output_merge_string): Replace merged_strings_ with
5427         merged_strings_lists_.
5428         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
5429         Merged_strings_list per input object and section.  Don't store pointer
5430         to the string.  Don't store length with each merged string entry.
5431         (Output_merge_string::finalize_merged_data): Loop over list of merged
5432         strings lists.  Recompute length of each merged string.
5433
5434 2010-07-15  Cary Coutant  <ccoutant@google.com>
5435
5436         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
5437         here.
5438
5439 2010-07-14  Ian Lance Taylor  <iant@google.com>
5440
5441         * descriptors.cc (Descriptors::open): Report correct name in error
5442         message.
5443
5444 2010-07-13  Doug Kwan  <dougkwan@google.com>
5445
5446         * arm.cc (Arm_input_section::Arm_input_section): For a
5447         SHT_ARM_EXIDX section, always keeps the input sections.
5448         (Arm_input_section::set_exidx_section_link): New method.
5449         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
5450         has_errors_ to false.
5451         (Arm_exidx_input_section::has_errors,
5452         Arm_exidx_input_section::set_has_errors): New methods.
5453         (Arm_exidx_input_section::has_errors_): New data member.
5454         (Arm_relobj::get_exidx_shndx_list): New method.
5455         (Arm_output_section::append_text_sections_to_list): Do not skip
5456         section without SHF_EXECINSTR.
5457         (Arm_output_section::fix_exidx_coverage): Skip input sections with
5458         errors.
5459         (Arm_relobj::make_exidx_input_section): Add new parameter for text
5460         section header.  Make error messages more verbose.  Check for
5461         a non-executable section linked to an EXIDX section.
5462         (Arm_relobj::do_read_symbols): Remove error checking, which has been
5463         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
5464         check that there is no deferred EXIDX section if we exit early.
5465         Instead of not making an EXIDX section in case of an error, make one
5466         and set the has_errors flag of it.
5467         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
5468         in a relocatable link.
5469         (Target_arm::do_relax): Look for the EXIDX output section instead of
5470         assuming that it is called .ARM.exidx.
5471         (Target_arm::fix_exidx_coverage): Add a new parameter for input
5472         section list.  Do not check for SHF_EXECINSTR section flags but
5473         skip any input section with errors.
5474         * output.cc (Output_section::Output_section): Initialize
5475         always_keeps_input_sections_ to false.
5476         (Output_section::add_input_section): Check for
5477         always_keeps_input_sections_.
5478         *  output.h (Output_section::always_keeps_input_sections,
5479         Output_section::set_always_keeps_input_sections): New methods.
5480         (Output_section::always_keeps_input_sections): New data member.
5481
5482 2010-07-13  Rafael Espindola  <espindola@google.com>
5483
5484         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
5485         * fileread.h (Input_file): Add try_extra_search_path and find_file.
5486
5487 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
5488             Ian Lance Taylor  <iant@google.com>
5489
5490         * output.h (Output_section_lookup_maps::add_merge_section):
5491         Correct check of whether value was inserted.
5492         (Output_section_lookup_maps::add_merge_input_section): Likewise.
5493         (Output_section_lookup_maps::add_relaxed_input_section):
5494         Likewise.
5495         * arm.cc (Target_arm::got_section): Remove used local os.
5496         * i386.cc (Target_i386::got_section): Likewise.
5497         * x86_64.cc (Target_x86_64::got_section): Likewise.
5498         * sparc.cc (Target_sparc::got_section): Likewise.
5499         (Target_sparc::relocate): Remove unused local have_got_offset.
5500         * powerpc.cc (Target_powerpc::relocate): Likewise.
5501
5502 2010-07-13  Ian Lance Taylor  <iant@google.com>
5503
5504         * compressed_output.cc (zlib_decompress): Fix signature in
5505         !HAVE_ZLIB_H case.
5506
5507         * archive.cc (Archive::include_member): Unlock an external member
5508         of a thin archive.  Don't bother to delete an object we know is
5509         NULL.
5510
5511 2010-07-12  Cary Coutant  <ccoutant@google.com>
5512
5513         * compressed_output.cc (zlib_decompress): New function.
5514         (get_uncompressed_size): New function.
5515         (decompress_input_section): New function.
5516         * compressed_output.h (get_uncompressed_size): New function.
5517         (decompress_input_section): New function.
5518         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
5519         Handle compressed debug sections.
5520         * layout.cc (is_compressed_debug_section): New function.
5521         (Layout::output_section_name): Map compressed section names to
5522         canonical names.
5523         * layout.h (is_compressed_debug_section): New function.
5524         (is_debug_info_section): Recognize compressed debug sections.
5525         * merge.cc: Include compressed_output.h.
5526         (Output_merge_data::do_add_input_section): Handle compressed
5527         debug sections.
5528         (Output_merge_string::do_add_input_section): Handle compressed
5529         debug sections.
5530         * object.cc: Include compressed_output.h.
5531         (Sized_relobj::Sized_relobj): Initialize new data members.
5532         (build_compressed_section_map): New function.
5533         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
5534         * object.h (Object::section_is_compressed): New method.
5535         (Object::do_section_is_compressed): New method.
5536         (Sized_relobj::Compressed_section_map): New type.
5537         (Sized_relobj::do_section_is_compressed): New method.
5538         (Sized_relobj::compressed_sections_): New data member.
5539         * output.cc (Output_section::add_input_section): Handle compressed
5540         debug sections.
5541         * reloc.cc: Include compressed_output.h.
5542         (Sized_relobj::write_sections): Handle compressed debug sections.
5543
5544 2010-07-08  Cary Coutant  <ccoutant@google.com>
5545
5546         * resolve.cc (Symbol_table::resolve): Remember whether undef was
5547         weak when resolving to a dynamic def.
5548         (Symbol_table::should_override): Add adjust_dyndef flag; set it
5549         for weak undef/dynamic def cases. Adjust callers.
5550         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
5551         undef_binding_weak_.
5552         (Symbol_table::sized_write_globals): Adjust symbol binding.
5553         (Symbol_table::sized_write_symbol): Add binding parameter.
5554         * symtab.h (Symbol::set_undef_binding): New method.
5555         (Symbol::is_undef_binding_weak): New method.
5556         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
5557         (Symbol_table::should_override): Add new parameter.
5558         (Symbol_table::sized_write_symbol): Add new parameter.
5559
5560         * testsuite/weak_undef_file1.cc: Add new test case.
5561         * testsuite/weak_undef_file2.cc: Fix header comment.
5562         * testsuite/weak_undef_test.cc: Add new test case.
5563
5564 2010-06-29  Doug Kwan  <dougkwan@google.com>
5565
5566         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
5567         Initialize USE_SYMBOL_.
5568         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
5569         definition.
5570         (Arm_reloc_property::uses_symbol_): New data member declaration.
5571         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
5572         uses symbol value and symbol is undefined but not weakly undefined.
5573
5574 2010-06-28  Rafael Espindola  <espindola@google.com>
5575
5576         * plugin.cc (Plugin::load): Use dlerror.
5577
5578 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
5579
5580         * symtab.cc (detect_odr_violations): When reporting an ODR
5581         violation, report an object where the symbol is defined.
5582
5583 2010-06-25  Doug Kwan  <dougkwan@google.com>
5584
5585         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
5586         (Target_arm::section_may_have_icf_unsafe_pointers): New method
5587         definition.
5588         (Target_arm::Scan::local_reloc_may_be_function_pointer,
5589         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
5590         target hook to detect function points.
5591         (Target_arm::Scan::possible_function_pointer_reloc): New method.
5592         * icf.h (Icf::check_section_for_function_pointers): Change type of
5593         parameter SECTION_NAME to const reference to std::string.  Use
5594         target hook to determine if section may have unsafe pointers.
5595         * target.h (Target::section_may_have_icf_unsafe_pointers): New
5596         method definition.
5597
5598 2010-06-21  Rafael Espindola  <espindola@google.com>
5599
5600         * fileread.cc (Input_file::find_fie): New
5601         (Input_file::open): Use Input_file::find_fie.
5602         * fileread.h (Input_file::find_fie): New
5603         * plugin.cc (set_extra_library_path): New.
5604         (Plugin::load): Add set_extra_library_path to the transfer vector.
5605         (Plugin_manager::set_extra_library_path): New.
5606         (Plugin_manager::add_input_file): Use the extra search path if set.
5607         (set_extra_library_path(): New.
5608         * plugin.h (Plugin_manager): Add set_extra_library_path and
5609         extra_search_path_.
5610
5611 2010-06-19  Cary Coutant  <ccoutant@google.com>
5612
5613         * layout.cc (gdb_sections): Add .debug_types.
5614         (lines_only_debug_sections): Likewise.
5615
5616 2010-06-18  Rafael Espindola  <espindola@google.com>
5617
5618         * plugin.cc (add_input_file,add_input_library)
5619         (Plugin_manager::add_input_file): Make filename arguments const.
5620         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
5621         const.
5622
5623 2010-06-16  Doug Kwan  <dougkwan@google.com>
5624
5625         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
5626         .ARM.attributes section if we have not merged any input
5627         attributes sections.
5628
5629 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5630
5631         * arm.cc: Allow combining objects with no EABI version
5632         information.
5633
5634 2010-06-15  Rafael Espindola  <espindola@google.com>
5635
5636         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
5637
5638 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5639
5640         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
5641         (struct iovec): Correct !HAVE_READV definition.
5642
5643 2010-06-10  Cary Coutant  <ccoutant@google.com>
5644
5645         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
5646         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
5647         reloc sections.
5648         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
5649
5650         PR 11683
5651         * symtab.h (Symbol::is_placeholder): New member function.
5652         * target-reloc.h (relocate_section): Check for placeholder symbols.
5653
5654         * testsuite/Makefile.am (plugin_test_8): New test.
5655         (plugin_test_9): New test.
5656         * testsuite/Makefile.in: Regenerate.
5657
5658 2010-06-09  Nick Clifton  <nickc@redhat.com>
5659
5660         * yyscript.y (input_list_element): Allow strings prefixed with
5661         the '-' character.  Treat these as libraries.
5662         * script.cc (script_add_library): New function.  Adds a library
5663         specified by "-l<name>" found in an input script.
5664         * script-c.h: Add prototype for script_add_library.
5665
5666 2010-06-07  Doug Kwan  <dougkwan@google.com>
5667
5668         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
5669         Restrict stub-group size to be within long conditional branch
5670         range when working around cortex-A8 erratum.
5671
5672 2010-06-07  Damien Diederen  <dd@crosstwine.com>
5673
5674         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
5675         #ifdef typo.
5676
5677 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
5678
5679         PR gold/11658
5680         * output.cc
5681         (Output_section::Input_section_sort_entry::compare_section_ordering):
5682         Change to return non-zero correctly.
5683         (Output_section::Input_section_sort_section_order_index_compare
5684         ::operator()): Change to fix ambiguity in comparisons.
5685
5686 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
5687
5688         * gold.h (is_wildcard_string): New function.
5689         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
5690         (Layout::layout_eh_frame): Ditto.
5691         (Layout::find_section_order_index): New method.
5692         (Layout::read_layout_from_file): New method.
5693         * layout.h (Layout::find_section_order_index): New method.
5694         (Layout::read_layout_from_file): New method.
5695         (Layout::input_section_position_): New private member.
5696         (Layout::input_section_glob_): New private member.
5697         * main.cc (main): Call read_layout_from_file here.
5698         * options.h (--section-ordering-file): New option.
5699         * output.cc (Output_section::input_section_order_specified_): New
5700         member.
5701         (Output_section::Output_section): Initialize new member.
5702         (Output_section::add_input_section): Add new parameter.
5703         Keep input sections when --section-ordering-file is used.
5704         (Output_section::set_final_data_size): Sort input sections when
5705         section ordering file is specified.
5706         (Output_section::Input_section_sort_entry): Add new parameter.
5707         Check sorting type.
5708         (Output_section::Input_section_sort_entry::compare_section_ordering):
5709         New method.
5710         (Output_section::Input_section_sort_compare::operator()): Change to
5711         consider section_order_index.
5712         (Output_section::Input_section_sort_init_fini_compare::operator()):
5713         Change to consider section_order_index.
5714         (Output_section::Input_section_sort_section_order_index_compare
5715         ::operator()): New method.
5716         (Output_section::sort_attached_input_sections): Change to sort
5717         according to section order when specified.
5718         (Output_section::add_input_section<32, true>): Add new parameter.
5719         (Output_section::add_input_section<64, true>): Add new parameter.
5720         (Output_section::add_input_section<32, false>): Add new parameter.
5721         (Output_section::add_input_section<64, false>): Add new parameter.
5722         * output.h (Output_section::add_input_section): Add new parameter.
5723         (Output_section::input_section_order_specified): New
5724         method.
5725         (Output_section::set_input_section_order_specified): New method.
5726         (Input_section::Input_section): Initialize section_order_index_.
5727         (Input_section::section_order_index): New method.
5728         (Input_section::set_section_order_index): New method.
5729         (Input_section::section_order_index_): New member.
5730         (Input_section::Input_section_sort_section_order_index_compare): New
5731         struct.
5732         (Output_section::input_section_order_specified_): New member.
5733         * script-sections.cc (is_wildcard_string): Delete and move modified
5734         method to gold.h.
5735         (Output_section_element_input::Output_section_element_input): Modify
5736         call to is_wildcard_string.
5737         (Output_section_element_input::Input_section_pattern
5738         ::Input_section_pattern): Ditto.
5739         (Output_section_element_input::Output_section_element_input): Ditto.
5740         * testsuite/Makefile.am (final_layout): New test case.
5741         * testsuite/Makefile.in: Regenerate.
5742         * testsuite/final_layout.cc: New file.
5743         * testsuite/final_layout.sh: New file.
5744
5745 2010-06-01  Rafael Espindola  <espindola@google.com>
5746
5747         * plugin.cc (Plugin::load): Pass the output name to the plugin.
5748
5749 2010-06-01  Rafael Espindola  <espindola@google.com>
5750
5751         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
5752         visibility of symbols.
5753
5754 2010-05-27  Doug Kwan  <dougkwan@google.com>
5755
5756         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
5757         from start of output section instead of address for a local symbol
5758         in a merged or relaxed section when doing a relocatable link.
5759
5760 2010-05-26  Rafael Espindola  <espindola@google.com>
5761
5762         PR 11604
5763         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
5764         adding sections the garbage collector removed.
5765         * gold/testsuite/Makefile.am: Add test.
5766         * gold/testsuite/Makefile.in: Regenerate.
5767         * gold/testsuite/plugin_test_7.sh: New.
5768         * gold/testsuite/plugin_test_7_1.c: New.
5769         * gold/testsuite/plugin_test_7_2.c: New.
5770
5771 2010-05-26  Rafael Espindola  <espindola@google.com>
5772
5773         * script-sections.cc (Output_section_definition::set_section_addresses):
5774         Check for --section-start.
5775
5776 2010-05-26  Doug Kwan  <dougkwan@google.com>
5777
5778         * arm.cc (Arm_scan_relocatable_relocs): New class.
5779         (Target_arm::relocate_special_relocatable): New method.
5780         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
5781         (Arm_relocate_functions::thumb_branch_common): Same.
5782         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
5783         instead of Default_scan_relocatable_relocs.
5784         * target-reloc.h (relocate_for_relocatable): Let target handle
5785         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
5786         * target.h (Sized_target::relocate_special_relocatable): New method.
5787
5788 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5789
5790         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
5791
5792 2010-05-23  Doug Kwan  <dougkwan@google.com>
5793
5794         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
5795         instead of a cast.
5796         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
5797         with a direct branch, not a conditional branch, to a stub.
5798         * merge.cc (Output_merge_base::record_input_section): New method
5799         defintion.
5800         (Output_merge_data::do_add_input_section): Record input section if
5801         keeps-input-sections flag is set.
5802         (Output_merge_string::do_add_input_section): Ditto.
5803         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
5804         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
5805         INPUT_SECTIONS_.
5806         (Output_merge_base::keeps_input_sections,
5807         Output_merge_base::set_keeps_input_sections,
5808         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
5809         method definitions.
5810         (Output_merge_base::Input_sections): New type declaration.
5811         (Output_merge_base::input_sections_begin,
5812         Output_merge_base::input_sections_end,
5813         Output_merge_base::do_set_keeps_input_sections): New method definitions.
5814         (Output_merge_base::bool keeps_input_sections_,
5815         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
5816         Output_merge_base::input_sections_): New data members.
5817         (Output_merge_data::do_set_keeps_input_sections): New method
5818         defintion.
5819         (Output_merge_string::do_set_keeps_input_sections): Ditto.
5820         * output.cc (Output_section::Input_section::relobj): Move method
5821         defintion from class declaration to here and handle merge sections.
5822         (Output_section::Input_section::shndx): Ditto.
5823         (Output_section::Output_section): Remove initializations of removed
5824         data members and initialize new data member LOOKUP_MAPS_.
5825         (Output_section::add_input_section): Set keeps-input-sections flag
5826         for a newly created merge output section as appropriate.  Adjust code
5827         to use Output_section_lookup_maps class.
5828         (Output_section::add_relaxed_input_section): Adjst code for lookup
5829         maps code refactoring.
5830         (Output_section::add_merge_input_section): Add a new parameter
5831         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
5832         class.  If adding input section to a newly created merge output
5833         section fails, remove the new merge section.
5834         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
5835         Adjust code for use of the Output_section_lookup_maps class.
5836         (Output_section::find_merge_section): Ditto.
5837         (Output_section::build_lookup_maps): New method defintion.
5838         (Output_section::find_relaxed_input_section): Adjust code to use
5839         Output_section_lookup_maps class.
5840         (Output_section::get_input_sections): Export merge sections.  Adjust
5841         code to use Output_section_lookup_maps class.
5842         (Output_section:::add_script_input_section): Adjust code to use
5843         Output_section_lookup_maps class.  Update lookup maps for merge
5844         sections also.
5845         (Output_section::discard_states): Use Output_section_lookup_maps.
5846         (Output_section::restore_states): Same.
5847         * output.h (Merge_section_properties): Move class defintion out of
5848         Output_section.
5849         (Output_section_lookup_maps): New class.
5850         (Output_section::Input_section::is_merge_section): New method
5851         defintion.
5852         (Output_section::Input_section::relobj): Move defintion out of class
5853         defintion.  Declare method only.
5854         (Output_section::Input_section::shndx): Ditto.
5855         (Output_section::Input_section::output_merge_base): New method defintion.
5856         (Output_section::Input_section::u2_.pomb): New union field.
5857         (Output_section::Merge_section_by_properties_map,
5858         Output_section::Output_section_data_by_input_section_map,
5859         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
5860         Remove types.
5861         (Output_section::add_merge_input_section): Add new parameter
5862         KEEPS_INPUT_SECTIONS.
5863         (Output_section::build_lookup_maps): New method declaration.
5864         (Output_section::merge_section_map_,
5865         Output_section::merge_section_by_properties_map_,
5866         Output_section::relaxed_input_section_map_,
5867         Output_section::is_relaxed_input_section_map_valid_): Remove data
5868         members.
5869         (Output_section::lookup_maps_): New data member.
5870
5871 2010-05-21  Doug Kwan  <dougkwan@google.com>
5872
5873         PR gold/11619
5874         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
5875         avoid a compilation error.
5876
5877 2010-05-19  Rafael Espindola  <espindola@google.com>
5878
5879         * script-sections.cc (Output_section_definition::allocate_to_segment):
5880         Update the phdrs_list even when the output section is NULL.
5881         * testsuite/Makefile.am: Add test.
5882         * testsuite/Makefile.in: Regenerate.
5883         * testsuite/script_test_9.cc: New.
5884         * testsuite/script_test_9.sh: New.
5885         * testsuite/script_test_9.t: New.
5886
5887 2010-05-19  Doug Kwan  <dougkwan@google.com>
5888
5889         * arm.cc (Arm_input_section::original_size): New method.
5890         (Arm_input_section::do_addralign): Add a cast.
5891         (Arm_input_section::do_output_offset): Remove static cast.
5892         (Arm_input_section::original_addralign,
5893          Arm_input_section::original_size_): Change type to uint32_t.
5894         (Arm_input_section::init): Add safe casts for section alignment
5895         and size.
5896         (Arm_input_section::set_final_data_size): Do not set address and
5897         offset of stub table.
5898         (Arm_output_section::fix_exidx_coverage): Change use of of
5899         Output_section::Simple_input_section to that of
5900         Output_section::Input_section.
5901         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
5902         except for the first pass.
5903         * output.cc (Output_section::get_input_sections): Change type of
5904         input_sections to std::list<Input_section>.
5905         (Output_section::add_script_input_section): Rename from
5906         Output_section::add_simple_input_section.  Change type of SIS
5907         parameter from Simple_input_section to Input_section.
5908         * output.h (Output_section::Simple_input_section): Remove class.
5909         (Output_section::Input_section): Change class visibility to public.
5910         (Output_section::Input_section::addralign): Use stored alignments
5911         for special input sections if set.
5912         (Output_section::Input_section::set_addralign): New method.
5913         (Output_section::get_input_sections): Change parameter type from
5914         list of Simple_input_section to list of Input_section.
5915         (Output_section::add_script_input_section): Rename from
5916         Output_section::add_simple_input_section. Change first parameter's
5917         type from Simple_input_section to Input_section and remove the
5918         second and third parameters.
5919         * script-sections.cc (Input_section::Input_section_list): Change
5920         type to list of Output_section::Input_section/
5921         (Input_section_info::Input_section_info): Change parameter type of
5922         INPUT_SECTION to Output_section::Input_section.
5923         (Input_section_info::input_section): Change return type.
5924         (Input_section_info::input_section_): Change type to
5925         Output_section::Input_section.
5926         (Output_section_element_input::set_section_addresses): Adjust code
5927         to use Output_section::Input_section instead of
5928         Output_section::Simple_input_section.  Adjust code for renaming
5929         of Output_section::add_simple_input_section.
5930         (Orphan_output_section::set_section_addresses): Ditto.
5931
5932 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5933
5934         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
5935         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
5936
5937 2010-05-18  Rafael Espindola  <espindola@google.com>
5938
5939         * options.cc (General_options::finalize): Handle -nostdlib.
5940         * options.h (nostdlib): New option.
5941         * script.cc (script_add_search_dir): Handle -nostdlib.
5942
5943 2010-05-12  Doug Kwan  <dougkwan@google.com>
5944
5945         * arm.cc (Target_arm::do_finalize_sections): Create an empty
5946         attributes section only if there no attributes section after merging.
5947         (Target_arm::merge_object_attributes): Move value of
5948         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
5949         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
5950         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
5951         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
5952         and arm_attr_merge_7.stdout.
5953         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
5954         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
5955         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
5956         arm_attr_merge_7b.o): New rules.
5957         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
5958         arm_attr_merge_7
5959         * testsuite/Makefile.in: Regenerate.
5960         * testsuite/arm_attr_merge.sh: New file.
5961         * testsuite/arm_attr_merge_[67][ab].s: Same.
5962
5963 2010-05-05  Nick Clifton  <nickc@redhat.com>
5964
5965         * po/es.po: Updated Spanish translation.
5966
5967 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5968
5969         * Makefile.am (install-exec-local): Properly install gold as
5970         default cross linker.
5971         * Makefile.in: Regenerated.
5972
5973 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
5974             Nick Clifton  <nickc@redhat.com>
5975
5976         * configure.ac (install_as_default): Define and set to false
5977         unless --enable-gold or --enable-gold=both/gold has been
5978         specified.
5979         * configure: Regenerate.
5980
5981         * Makefile.am (install-exec-local): Install the executable as
5982         'ld.gold'.  If install_as_default is true then also install it as
5983         'ld'.
5984         * Makefile.in: Regenerated.
5985
5986 2010-04-24  Ian Lance Taylor  <iant@google.com>
5987
5988         * layout.cc (Layout::layout_reloc): In relocatable link don't
5989         combine reloc sections for grouped sections.
5990
5991 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
5992
5993         * gc.h (gc_process_relocs): Pass information on relocs pointing to
5994         sections that are not ordinary to icf.
5995         * icf.cc (get_section_contents): Handle relocation pointing to section
5996         with no object or shndx information.
5997         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
5998         * testsuite/Makefile.in: Regenerate.
5999         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6000         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6001
6002 2010-04-22  Ian Lance Taylor  <iant@google.com>
6003
6004         * expression.cc (Expression::Expression_eval_info): Add
6005         result_alignment_pointer field.
6006         (Expression::eval_with_dot): Add result_alignment_pointer
6007         parameter.  Change all callers.
6008         (Expression::eval_maybe_dot): Likewise.
6009         (class Binary_expression): Add alignment_pointer parameter to
6010         left_value and right_value.  Change all callers.
6011         (BINARY_EXPRESSION): Set result alignment.
6012         (class Trinary_expression): Add alignment_pointer parameter to
6013         arg2_value and arg3_value.  Change all callers.
6014         (Trinary_cond::value): Set result alignment.
6015         (Max_expression::value, Min_expression::value): Likewise.
6016         (Align_expression::value): Likewise.
6017         * script-sections.cc (class Sections_element): Add dot_alignment
6018         parameter to set_section_addresses virtual function.  Update
6019         instantiations.
6020         (class Output_section_element): Likewise.
6021         (Script_sections::create_segments): Add dot_alignment parameter.
6022         Change all callers.
6023         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6024         (Script_sections::set_phdrs_clause_addresses): Likewise.
6025         * script-sections.h: Update declarations.
6026         * script.h: Update declarations.
6027         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6028         min_p_align.
6029         * testsuite/script_test_3.t: Set large alignment.
6030         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6031         segment has expected alignment.
6032
6033 2010-04-22  Nick Clifton  <nickc@redhat.com>
6034
6035         * po/gold.pot: Updated by the Translation project.
6036         * po/vi.po: Updated Vietnamese translation.
6037
6038 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6039
6040         * testsuite/Makefile.am (check_PROGRAMS): Add
6041         icf_virtual_function_folding_test.
6042         * testsuite/Makefile.in: Regenerated.
6043
6044 2010-04-15  Andrew Haley  <aph@redhat.com>
6045
6046         * options.h (merge_exidx_entries): New option.
6047         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6048         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6049         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6050         (Target_arm::merge_exidx_entries): New function.
6051         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6052         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6053         to Arm_exidx_fixup constructor.
6054         Add new arg, merge_exidx_entries.
6055         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6056         Arm_output_section::fix_exidx_coverage.
6057
6058 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6059
6060         * icf.cc (get_section_contents): Check for preemptible functions.
6061         Ignore addend when appropriate.
6062         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6063         section folded.
6064         (add_from_relobj): Check for section folded.
6065         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6066         * symtab.h (should_add_dynsym_entry): Add new parameter.
6067         * target-reloc.h (scan_relocs): Check for section folded.
6068         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6069         Check reloc types for function pointers in shared objects.
6070         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6071         case.
6072         (icf_preemptible_functions_test): New test case.
6073         (icf_string_merge_test): New test case.
6074         * testsuite.Makefile.in: Regenerate.
6075         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6076         bar_glob.  Refactor code.
6077         * testsuite/icf_preemptible_functions_test.cc: New file.
6078         * testsuite/icf_preemptible_functions_test.sh: New file.
6079         * testsuite/icf_string_merge_test.cc: New file.
6080         * testsuite/icf_string_merge_test.sh: New file.
6081         * testsuite/icf_virtual_function_folding_test.cc: New file.
6082         * testsuite/icf_virtual_function_folding_test.sh: New file.
6083
6084 2010-04-14  Doug Kwan  <dougkwan@google.com>
6085
6086         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6087         for local symbol recounting if we remove a section due to ICF.
6088         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6089         there are no regular objects in input.
6090
6091 2010-04-13  Doug Kwan  <dougkwan@google.com>
6092
6093         * arm.cc (Arm_input_section::set_final_data_size): Compute
6094         accurate final data size instead of using current data size.
6095
6096 2010-04-09  Doug Kwan  <dougkwan@google.com>
6097
6098         * layout.cc (Layout::choose_output_section): Handle script section
6099         types.
6100         (Layout::make_output_section_for_script): Add section type parameter.
6101         Handle script section types.
6102         * layout.h (Layout::make_output_section_for_script): Add section
6103         type parameter.
6104         * output.cc (Output_section::Output_section): Initialize data member
6105         is_noload_.
6106         (Output_section::do_reset_address_and_file_offset): Do not set address
6107         to 0 if section is a NOLOAD section.
6108         * output.h (Output_section::is_noload): New method.
6109         (Output_section::set_is_noload): Ditto.
6110         (Output_section::is_noload_): New data member.
6111         * script-c.h (Script_section_type): New enum type.
6112         (struct Parser_output_section_header): Add new file section_type.
6113         * script-sections.cc (Sections_element::output_section_name): Add
6114         parameter for returning script section type.
6115         (Output_section_definition::output_section_name): Ditto.
6116         (Output_section_definition::section_type)P; New method.
6117         (Output_section_definiton::script_section_type_name): Ditto.
6118         (Output_section_definition::script_section_type_): New data member.
6119         (Output_section_definition::Output_section_definition): Initialize
6120         data member Output_section_definition::script_section_type_.
6121         (Output_section_definition::create_sections): Pass script section type
6122         to Layout::make_output_section_for_script.
6123         (Output_section_definition::output_section_name): Return script
6124         section type to caller.
6125         (Output_section_definition::set_section_address): Do not advance
6126         dot value and load address if section type is NOLOAD.  Set address
6127         of NOLOAD sections regardless of section flags.
6128         (Output_section_definition::print): Print section type if it is
6129         not SCRIPT_SECTION_TYPE_NONE.
6130         (Output_section_definition::section_type): New method.
6131         (Output_section_definition::script_section_type_name): Ditto.
6132         (Script_sections::output_section_name): Add new parameter
6133         PSECTION_TYPE for returning script section type.  Pass it to
6134         section elements.  Handle discard sections.
6135         (Sort_output_sections::operator()): Handle NOLOAD sections.
6136         * script-sections.h (Script_sections::Section_type): New enum type.
6137         (Script_sections::output_section_name): Add a new parameter for
6138         returning script section type.
6139         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6140         INFO and NOLOAD.
6141         * yyscript.y (union): Add new field SECTION_TYPE.
6142         (COPY, DSECT, INFO, NOLOAD): New tokens.
6143         (opt_address_and_section_type): Change type to output_section_header.
6144         (section_type): New non-terminal
6145         (section_header): Handle section type.
6146         (opt_address_and_section_type): Return section type value.
6147
6148 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6149
6150         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6151         * testsuite/plugin_common_test_2.c (foo): Likewise.
6152
6153 2010-04-08  Doug Kwan  <dougkwan@google.com>
6154
6155         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6156         Output_merge_data.
6157         * output.cc (Output_section::add_merge_input_section): Simplify
6158         code and return status of Output_merge_base::add_input_section.
6159         Update merge section map only if Output_merge_base::add_input_section
6160         returns true.
6161
6162 2010-04-07  Doug Kwan  <dougkwan@google.com>
6163
6164         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6165         if section is marked as containing instructions but has no mapping
6166         symbols.
6167         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6168         correct section index.
6169         (Arm_relobj::find_linked_text_section): Ditto.
6170
6171 2010-04-07  Cary Coutant  <ccoutant@google.com>
6172
6173         * archive.cc (include_member): Destroy Read_symbols_data object before
6174         releasing file.
6175         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6176         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6177         (Read_symbols_data::~Read_symbols_data) New destructor.
6178         (Section_relocs::Section_relocs) New constructor.
6179         (Section_relocs::~Section_relocs) New destructor.
6180         (Read_relocs_data::Read_relocs_data) New constructor.
6181         (Read_relocs_data::~Read_relocs_data) New destructor.
6182         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6183         pointers to NULL after deleting.
6184
6185 2010-04-07  Doug Kwan  <dougkwan@google.com>
6186
6187         * arm.cc: Replace "endianity" with "endianness" in comments.
6188         (Arm_exidx_cantunwind): Ditto.
6189         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6190         (Arm_relobj::merge_flags_and_attributes): New method.
6191         (Arm_relobj::merge_flags_and_attributes_): New data member.
6192         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6193         (Arm_relobj::scan_sections_for_stubs): Ditto.
6194         (Arm_relobj::do_read_symbols): Check to see if we really want to
6195         merge processor-specific flags and attributes.  Exit early if
6196         an object is empty except for section names and the undefined symbol.
6197         (Target_arm::do_finalize_sections): Move check for ELF format to
6198         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6199         attributes from a regular object only when we have determined that
6200         it is aapropriate.  Do not create an .ARM.attributes section in
6201         output if there is no regular input object.
6202         (Target_arm::merge_processor_specific_flags): Check
6203         --warn-mismatch before printing any error.
6204         (Target_arm::merge_object_attributes): Ditto.
6205         * gold.cc (queue_middle_tasks): Handle the case in which there is
6206         no regular object in input.
6207         * options.cc (General_options::parse_EB): New method.
6208         (General_options::parse_EL): Same.
6209         (General_options::General_options): Initialize endianness_.
6210         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6211         New options.
6212         (General_options::Endianness): New enum.
6213         (General_options::endianness): New method.
6214         (General_options::endianness_): New data member.
6215         * parameters.cc (Parameters::set_options): Check target endianness.
6216         (Parameters::set_target_once): Ditto.
6217         (Parameters::check_target_endianness): New method.
6218         (parameters_force_valid_target): If either -EL or -EB is specified,
6219         use it to define endianness of default target.
6220         * parameters.h (Parameters::check_target_endianness): New method
6221         declaration.
6222         * target.h (class Target): Change "endianity" to "endianness"
6223         in comments.
6224
6225 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6226
6227         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6228         * configure: Regenerate.
6229         * Makefile.in: Regenerate.
6230         * testsuite/Makefile.in: Regenerate.
6231
6232 2010-04-06  Cary Coutant  <ccoutant@google.com>
6233
6234         gcc PR lto/42757
6235         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6236         prevailing definitions of common symbols.
6237         * testsuite/plugin_test_6.sh: New test case.
6238         * testsuite/plugin_common_test_1.c: New test case.
6239         * testsuite/plugin_common_test_2.c: New test case.
6240         * testsuite/Makefile.am (plugin_test_6): New test case.
6241         * testsuite/Makefile.in: Regenerate.
6242
6243 2010-04-06  Nick Clifton  <nickc@redhat.com>
6244
6245         * po/vi.po: New Vietnamese translation.
6246
6247 2010-03-30  Doug Kwan  <dougkwan@google.com>
6248
6249         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6250
6251 2010-03-25  Doug Kwan  <dougkwan@google.com>
6252
6253         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6254         to avoid a conversion warning on a 32-bit host.
6255
6256 2010-03-24  Ian Lance Taylor  <iant@google.com>
6257
6258         * testsuite/script_test_3.t: Add a TLS segment.
6259         * testsuite/Makefile.am (check_PROGRAMS): Add
6260         tls_phdrs_script_test.
6261         (tls_phdrs_script_test_SOURCES): Define.
6262         (tls_phdrs_script_test_DEPENDENCIES): Define.
6263         (tls_phdrs_script_test_LDFLAGS): Define.
6264         (tls_phdrs_script_test_LDADD): Define.
6265         * testsuite/Makefile.in: Rebuild.
6266
6267 2010-03-23  Cary Coutant  <ccoutant@google.com>
6268
6269         * fileread.cc (find_or_make_view): Fix comment.
6270
6271 2010-03-23  Ian Lance Taylor  <iant@google.com>
6272
6273         * script-sections.cc (class Orphan_section_placement): Define
6274         PLACE_TLS and PLACE_TLS_BSS.
6275         (Orphan_section_placement::Orphan_section_placement): Initialize
6276         new places.
6277         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6278         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6279         (tls_script_test_SOURCES): Define.
6280         (tls_script_test_DEPENDENCIES): Define.
6281         (tls_script_test_LDFLAGS): Define.
6282         (tls_script_test_LDADD): Define.
6283         * testsuite/Makefile.in: Rebuild.
6284
6285 2010-03-22  Doug Kwan  <dougkwan@google.com>
6286
6287         * arm.cc (Arm_relocate_functions::abs8,
6288         Arm_relocate_functions::abs16): Use correct check for overflow
6289         specified in the ARM ELF specs.
6290         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6291         target of a BLX instruction specially.
6292         (Reloc_stub::stub_type_for_reloc): Ditto.
6293         (Relocate::relocate): Use symbolic names instead of numeric relocation
6294         codes to report error.
6295         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6296         workaround.
6297         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6298         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6299         thumb2_blx_out_of_range.stdout
6300         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6301         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6302         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6303         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6304         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6305         thumb2_blx_in_range, thumb2_blx_in_range.o,
6306         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6307         thumb2_blx_out_of_range.o): New rules.
6308         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
6309         thumb2_blx_in_range and thumb2_blx_out_of_range.
6310         * testsuite/Makefile.in: Regenerate.
6311         * arm_branch_in_range.sh: Add tests for THUMB BLX.
6312         * testsuite/thumb_blx_in_range.s: New file.
6313         * testsuite/thumb_blx_out_of_range.s: New file.
6314
6315 2010-03-22  Rafael Espindola  <espindola@google.com>
6316
6317         * archive.cc (Should_include): Move to archive.h.
6318         (should_include_member): Make it a member of Archive.
6319         (Lib_group): New.
6320         (Add_lib_group_symbols): New.
6321         * archive.h: Include options.h.
6322         (Archive_member): Moved from Archive.
6323         (Should_include): Moved from archive.cc.
6324         (Lib_group): New.
6325         (Add_lib_group_symbols): New.
6326         * dynobj.cc (do_should_include_member): New.
6327         * dynobj.h (do_should_include_member): New.
6328         * gold.cc (queue_initial_tasks): Update call to queue.
6329         * main.cc (main): Print lib group stats.
6330         * object.cc (do_should_include_member): New.
6331         * object.h: Include archive.h.
6332         (Object::should_include_member): New.
6333         (Object::do_should_include_member): New.
6334         (Sized_relobj::do_should_include_member): New.
6335         * options.cc (General_options::parse_start_lib): New.
6336         (General_options::parse_end_lib): New.
6337         (Input_arguments::add_file): Handle lib groups.
6338         (Input_arguments::start_group): Check we are not in a lib.
6339         (Input_arguments::start_lib): New.
6340         (Input_arguments::end_lib): New.
6341         * options.h (General_options): Add start_lib and end_lib.
6342         (Input_argument::lib_): New.
6343         (Input_argument::lib): New.
6344         (Input_argument::is_lib): New.
6345         (Input_file_lib): New.
6346         (Input_arguments::in_lib_): New.
6347         (Input_arguments::in_lib): New.
6348         (Input_arguments::start_lib): New.
6349         (Input_arguments::end_lib_): New.
6350         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
6351         in unused members as preempted.
6352         (Sized_pluginobj::do_should_include_member): New.
6353         * plugin.h (Sized_pluginobj::do_should_include_member): New.
6354         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
6355         return the blocker.
6356         (Read_symbols::do_whole_lib_group): New.
6357         (Read_symbols::do_lib_group): New.
6358         (Read_symbols::do_read_symbols): Handle lib groups.
6359         (Read_symbols::get_name): Handle lib groups.
6360         * readsyms.h (Read_symbols): Add an archive member pointer.
6361         (Read_symbols::do_whole_lib_group): New.
6362         (Read_symbols::do_lib_group): New.
6363         (Read_symbols::member_): New.
6364         * script.cc (read_input_script): Update call to queue_soon.
6365
6366 2010-03-19  Doug Kwan  <dougkwan@google.com>
6367
6368         * arm.cc (Stub_table::Stub_table): Initialize new data members
6369         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6370         (Stub_table::add_reloc_stub): Assign stub offset and update
6371         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
6372         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
6373         New data members.
6374         (Stub_table::update_data_size_and_addralign): Use
6375         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
6376         instead of going over all reloc stubs.
6377         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
6378         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6379         Stringpool_template::offset_ to size of Stringpool_char.
6380         (Stringpool_template::new_key_offset): Remove code to initialize
6381         Stringpool_template::offset_.
6382         * stringpool.h (Stringpool_template::set_no_zero_null): Set
6383         Stringpool_template::offset_ to zero.
6384
6385 2010-03-15  Doug Kwan  <dougkwan@google.com>
6386
6387         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
6388         offset_.
6389         (Stringpool_template::new_key_offset): New method.
6390         (Stringpool_template::add_string): Assign offsets when adding new
6391         strings.
6392         (Stringpool_template::set_string_offsets): Do not set string offsets
6393         when not optimizing.
6394         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
6395         member size_.
6396         (Chunked_vector::clear): Clear size_.
6397         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
6398         (Chunked_vector::size): Return size_.
6399         (Chunked_vector::push_back): Use size_ to find insert position.
6400         (Chunked_vector::size_): New data member.
6401         (Stringpool_template::set_no_zero_null): Assert string set is empty.
6402         (Stringpool_template::new_key_offset): New method declaration.
6403         (Stringpool_template::offset_): New data member.
6404
6405 2010-03-15   Rafael Espindola  <espindola@google.com>
6406
6407         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
6408         Add_symbols' constructor.
6409         * readsyms.h (Add_symbols): Remove the input_group member.
6410
6411 2010-03-10  Ian Lance Taylor  <iant@google.com>
6412
6413         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
6414         target to ask whether a reference to a symbol requires a stack
6415         split.
6416         * target.h (Target::is_call_to_non_split): New function.
6417         (Target::do_is_call_to_non_split): Declare virtual function.
6418         * target.cc: Include "symtab.h".
6419         (Target::do_is_call_to_non_split): New function.
6420         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
6421
6422 2010-03-10  Cary Coutant  <ccoutant@google.com>
6423
6424         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
6425         (File_read::open[1]): Remove initial mapping of whole_file_view_.
6426         (File_read::open[2]): Add whole_file_view_ to list of views.
6427         (File_read::make_view): Remove test of whole_file_view_.
6428         (File_read::find_or_make_view): Create whole_file_view_ if
6429         necessary.
6430         (File_read::clear_views): Replace bool parameter with enum;
6431         adjust all callers.  Don't delete views with permanent data;
6432         do delete cached views and views from archives if
6433         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
6434         if clearing the corresponding view.
6435         * fileread.h (File_read::Clear_views_mode): New enum.
6436         (File_read::View::is_permanent_view): New method.
6437         (File_read::clear_views): Replace bool parameter
6438         with enum; adjust all callers.
6439         * options.h (General_options): Change keep_files_mapped option;
6440         add map_whole_files.
6441         * readsyms.cc (Add_symbols::run): Delete sd_ object before
6442         releasing the file.
6443         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
6444         the file.
6445
6446 2010-03-10  David S. Miller  <davem@davemloft.net>
6447
6448         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
6449
6450 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
6451
6452         * icf.cc (get_section_contents): Add '@' marker after processing the
6453         merge reloc.
6454
6455 2010-03-08  Doug Kwan  <dougkwan@google.com>
6456
6457         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
6458         due to a conversion warning.
6459         (Arm_relobj::update_output_local_symbol_count): Check for local
6460         symbol with unset output index.
6461
6462 2010-03-05  Ian Lance Taylor  <iant@google.com>
6463
6464         * options.h (class General_options): Add --spare-dynamic-tags.
6465         * output.cc (Output_data_dynamic::set_final_data_size): Implement
6466         --spare-dynamic-tags.
6467
6468 2010-03-05  Ian Lance Taylor  <iant@google.com>
6469
6470         * incremental.cc: Include "libiberty.h".
6471
6472 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
6473
6474         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
6475         function, is_info_ member.
6476         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
6477         (Versions::Versions): Update caller.
6478         (Versions::define_base_version): Likewise.
6479         (Versions::add_def): Likewise.
6480
6481 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
6482
6483         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
6484         (Scan::possible_function_pointer_reloc): New function.
6485         (Scan::local_reloc_may_be_function_pointer): Change to call
6486         possible_function_pointer_reloc.
6487         (Scan::global_reloc_may_be_function_pointer): Ditto.
6488         * icf.h (Icf::check_section_for_function_pointers): Change to reject
6489         relocations in ".data.rel.ro._ZTV" section.
6490         * testsuite/icf_safe_so_test.sh: Change to pass i386.
6491         * testsuite/icf_safe_so_test.cc: Ditto.
6492         * testsuite/icf_safe_test.cc: Ditto.
6493         * testsuite/icf_safe_test.sh: Ditto.
6494
6495 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6496             Ian Lance Taylor  <iant@google.com>
6497
6498         * target-reloc.h (relocate_section): Check the symbol table index
6499         for -1U before setting the local symbol index.
6500         (scan_relocatable_relocs): If copying the relocation, record that
6501         the local symbol is required.
6502         * object.h (Symbol_value::is_output_symtab_index_set): New
6503         function.
6504         (Symbol_value::may_be_discarded_from_output_symtab): New
6505         function.
6506         (Symbol_value::has_output_symtab_entry): New function.
6507         (Symbol_value::needs_output_symtab_entry): Remove.
6508         (Symbol_value::output_symtab_index): Make sure the symbol index is
6509         set.
6510         (Symbol_value::set_output_symtab_index): Make sure the symbol
6511         index is not set.  Make sure the new index is valid.
6512         (Symbol_value::set_must_have_output_symtab_entry): New function.
6513         (Symbol_value::has_output_dynsym_entry): New function.
6514         (Symbol_value::set_output_dynsym_index): Make sure the new index
6515         is valid.
6516         (Sized_relobj::set_must_have_output_symtab_entry): New function.
6517         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
6518         local symbol if permitted.
6519         (Sized_relobj::do_finalize_local_symbols): Call
6520         is_output_symtab_index_set rather than needs_output_symtab_entry.
6521         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
6522         rather than needs_output_symtab_entry.  Call
6523         has_output_dynsym_entry rather than needs_output_dynsym_entry.
6524         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
6525         is_output_symtab_index_set rather than needs_output_symtab_entry.
6526         * testsuite/discard_locals_relocatable_test.c: New file.
6527         * testsuite/discard_locals_test.sh: Test -r.
6528         * testsuite/Makefile.am (check_DATA): Add
6529         discard_locals_relocatable_test1.syms,
6530         discard_local_relocatable_test2.syms.
6531         (MOSTLYCLEANFILES): Likewise.  Also add
6532         discard_locals_relocatable_test1.lout and
6533         discard_locals_relocatable_test2.out.
6534         (discard_locals_relocatable_test1.syms): New target.
6535         (discard_locals_relocatable_test.o): New target.
6536         (discard_locals_relocatable_test1.out): New target.
6537         (discard_locals_relocatable_test2.syms): New target.
6538         (discard_locals_relocatable_test2.out): New target.
6539         (various): Add missing ../ld-new dependencies.
6540         * testsuite/Makefile.in: Rebuild.
6541
6542 2010-03-03  Nick Clifton  <nickc@redhat.com>
6543
6544         * po/fi.po: New Finnish translation.
6545
6546 2010-03-01  Doug Kwan  <dougkwan@google.com>
6547
6548         * layout.cc (Layout::Layout): Force section types of .init_array*,
6549         .preinit_array* and .fini_array* sections.
6550         * output.cc (Output_section::Input_section_sort_entry::has_priority):
6551         Fix check of return value of std::string::find.().
6552         (Output_section::Input_section_sort_compare::operator()): Remove
6553         comment about .init_array.
6554         (Output_section::Input_section_sort_init_fini_compare::operator()):
6555         New method.
6556         (Output_section::sort_attached_input_sections): Handle .init_array
6557         and .fini_array specially.
6558         * output.h (Output_section::Inut_section_sort_compare): Update
6559         comment.
6560         (Output_section::Input_section_sort_init_fini_compare): New struct.
6561
6562 2010-02-26  Doug Kwan  <dougkwan@google.com>
6563
6564         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
6565         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
6566         * testsuite/debug_msg.sh: Avoid matching source line number for
6567         use of global variable undef_int.
6568
6569 2010-02-26  Doug Kwan  <dougkwan@google.com>
6570
6571         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
6572         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
6573         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6574         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
6575         * options.cc (General_options::General_options): Initialize member
6576         fix_v4bx_.
6577         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
6578         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
6579         and rm_no_fix_v4bx.stdout
6580         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
6581         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
6582         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
6583         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
6584         and arm_no_fix_v4bx.
6585         * Makefile.in: Regenerate.
6586         * testsuite/arm_fix_v4bx.s: New file.
6587         * testsuite/arm_fix_v4bx.sh: Ditto.
6588
6589 2010-02-24  Doug Kwan  <dougkwan@google.com>
6590
6591         * arm.cc (Target_arm::got_section): Make the .got section the first
6592         non RELRO section in the data segment.
6593         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
6594         suffixes of section names.
6595
6596 2010-02-24  Doug Kwan  <dougkwan@google.com>
6597
6598         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
6599         flags and attributes merging if an input file is a binary file.
6600         * fileread.cc (Input_file::open): Record format of original file.
6601         * fileread.h (Input_file::Format): New enum type.
6602         (Input_file::Input_file): Initialize data member format_.
6603         (Input_file::format): New method definition.
6604         (Input_file::format_):: New data member.
6605
6606 2010-02-24  Doug Kwan  <dougkwan@google.com>
6607
6608         * arm.cc (Arm_output_data_got): New class.
6609         (ARM_TCB_SIZE): New constant
6610         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
6611         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
6612         If user uses a script with a SECTIONS clause, issue only a warning
6613         for a misplaced EXIDX input section.  Otherwise, issue an error.
6614         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
6615         garbage collection.
6616         (Target_arm::got_mode_index_entry): Handle static linking.
6617         (Target_arm::Scan::local): Ditto.
6618         (Target_arm::Scan::global): Ditto.
6619         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
6620         all incorrectly implemented relocations.
6621         (Target_arm::fix_exidx_coverage): Pass layout to
6622         Arm_output_section::fix_exidx_coverage.
6623         * layout.cc (Layout::section_name_mapping): Remove trailing dots
6624         from ".ARM.exidx." and ".ARM.extab.".
6625
6626 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6627
6628         * arm.cc (Target_arm::do_finalize_sections): Create attribute
6629         section if it does not already exist.
6630         * attributes.cc (Attributes_section_data::Attributes_section_data):
6631         Don't crash if size is zero.
6632
6633 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6634             Ian Lance Taylor  <iant@google.com>
6635
6636         * gold.cc (queue_middle_tasks): If no input files were opened,
6637         exit.
6638         * workqueue.h (Task_function::Task_function): Assert that there is
6639         a blocker.
6640
6641 2010-02-22  Doug Kwan  <dougkwan@google.com>
6642
6643         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
6644         * icf.cc (get_section_contents): Cast snprintf arguments to long long
6645         types to avoid warnings due to different uint64_t implementations
6646         on different hosts.
6647
6648 2010-02-21  Doug Kwan  <dougkwan@google.com>
6649
6650         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
6651         handling of the maximum backward branch offset.
6652         (Arm_relocate_functions::thumb_branch_common): Ditto.
6653         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
6654         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
6655         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
6656         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
6657         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
6658         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
6659         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
6660         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
6661         thumb_bl_out_of_range thumb_bl_out_of_range.o,
6662         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
6663         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
6664         thumb2_bl_out_of_range.o): New rules.
6665         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
6666         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
6667         thumb2_bl_out_of_range
6668         * testsuite/Makefile.in: Regenerate.
6669         * testsuite/arm_bl_in_range.s: New file.
6670         * testsuite/arm_bl_out_of_range.s: Ditto.
6671         * testsuite/arm_branch_in_range.sh: Ditto.
6672         * testsuite/arm_branch_range.t: Ditto.
6673         * testsuite/thumb2_branch_range.t: Ditto.
6674         * testsuite/thumb_bl_in_range.s: Ditto.
6675         * testsuite/thumb_bl_out_of_range.s: Ditto.
6676         * testsuite/thumb_branch_range.t: Ditto.
6677
6678 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
6679
6680         * gc.h (gc_process_relocs): Change vectors to point to the new list.
6681         Add reloc offset information.
6682         * icf.cc (get_section_contents): Change iterators to point to the new
6683         vectors. Add reloc offset information to the contents.
6684         * icf.h (Icf::Sections_reachable_info): New typedef.
6685         (Icf::Sections_reachable_list): New typedef.
6686         (Icf::Offset_info): New typedef.
6687         (Icf::Reloc_info): New struct typedef.
6688         (Icf::Reloc_info_list): New typedef.
6689         (Icf::symbol_reloc_list): Delete method.
6690         (Icf::addend_reloc_list): Delete method.
6691         (Icf::section_reloc_list): Delete method.
6692         (Icf::reloc_info_list): New method.
6693         (Icf::reloc_info_list_): New member.
6694
6695 2010-02-19  Doug Kwan  <dougkwan@google.com>
6696
6697         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
6698         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
6699         * arm.cc (Arm_relocation_functions): New forward declaration.
6700         (Target_arm::Target_arm): Initialize new data members
6701         got_mod_index_offset_ and tls_base_symbol_defined_.
6702         (Target_arm::Relocate::relocate_tls): New method.
6703         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
6704          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
6705         New methods.
6706         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
6707         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
6708         (Target_arm::got_mod_index_offset_,
6709         Target_arm::tls_base_symbol_defined_): New data members.
6710         (Target_arm::Scan::local, Target::Scan::global,
6711         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
6712         relocations.
6713
6714 2010-02-18  Doug Kwan  <dougkwan@google.com>
6715
6716         * arm.cc (Arm_relobj::find_linked_text_section): New method.
6717         (Arm_relobj::make_exidx_input_section): Pass section index of linked
6718         text section as a parameter becuase some broken tools may not set
6719         the link in section header.
6720         (Target_arm::has_got_section): New method.
6721         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
6722         without any mapping symbol as data only.  Remove warning.
6723         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
6724         link in its section header, try to discover the link by inspecting the
6725         REL31 relocation at the beginning of the section.
6726         (Target_arm::Scan::check_non_pic): Report name of offending relocation
6727         in error message.
6728         (Target_arm::Scan::global): Treat any reference to the symbol
6729         _GLOBAL_OFFSET_TABLE_ as a GOT access.
6730
6731 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
6732
6733         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
6734         (Scan::global_reloc_may_be_function_pointer): New function.
6735         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6736         (Scan::global_reloc_may_be_function_pointer): New function.
6737         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
6738         (Scan::global_reloc_may_be_function_pointer): New function.
6739         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
6740         (Scan::global_reloc_may_be_function_pointer): New function.
6741         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
6742         (Scan::global_reloc_may_be_function_pointer): New function.
6743         (Scan::possible_function_pointer_reloc): New function.
6744         (Target_x86_64::can_check_for_function_pointers): New function.
6745         * gc.h (gc_process_relocs): Scan relocation types to determine if
6746         function pointers were taken for targets that support it.
6747         * icf.cc (Icf::find_identical_sections): Include functions for
6748         folding in safe ICF whose pointer is not taken.
6749         * icf.h (Secn_fptr_taken_set): New typedef.
6750         (fptr_section_id_): New member.
6751         (section_has_function_pointers): New function.
6752         (set_section_has_function_pointers): New function.
6753         (check_section_for_function_pointers): New function.
6754         * options.h: Fix comment for safe ICF option.
6755         * target.h (can_check_for_function_pointers): New function.
6756         * testsuite/Makefile.am: Add icf_safe_so_test test case.
6757         Modify icf_safe_test for X86-64.
6758         * testsuite/Makefile.in: Regenerate.
6759         * testsuite/icf_safe_so_test.cc: New file.
6760         * testsuite/icf_safe_so_test.sh: New file.
6761         * testsuite/icf_safe_test.cc (kept_func_3): New function.
6762         (main): Change to take pointer to function kept_func_3.
6763         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
6764         folding is done correctly for X86-64.
6765
6766 2010-02-12  David S. Miller  <davem@davemloft.net>
6767
6768         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
6769         is_symbolless parameter.
6770         (Output_reloc<SHT_REL>::is_symbolless): New.
6771         (Output_reloc<SHT_REL>::is_symbolless_): New.
6772         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
6773         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
6774         (Output_reloc<SHT_RELA>::is_symbolless): New.
6775         (Output_data_reloc::add_global): Handle is_symbolless.
6776         (Output_data_reloc::add_global_relative): Likewise.
6777         (Output_data_reloc::add_local): Likewise.
6778         (Output_data_reloc::add_local_relative): Likewise.
6779         (Output_data_reloc::add_symbolless_global_addend): New.
6780         (Output_data_reloc::add_symbolless_local_addend): New.
6781         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
6782         is_symbolless.
6783         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
6784         instead of ->is_relative_
6785         (Output_reloc::write): Likewise.
6786         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
6787         (Output_reloc::write_rel): Simplify.
6788
6789         * sparc.cc (Target_sparc::Scan::local): Use
6790         ->add_symbolless_local_addend as needed.
6791         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
6792         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
6793         based upon relocation offset.
6794
6795 2010-02-11  Doug Kwan  <dougkwan@google.com>
6796
6797         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
6798         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
6799         beginning of function.
6800         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
6801         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
6802         parameter is_32bit in calls to should_apply_static_reloc.
6803         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
6804         (check_DATA): Add arm_abs_global.stdout.
6805         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
6806         arm_abs_global.stdout): New rules.
6807         (MOSTLLYCLEANFILES): Add arm_abs_global
6808         * Makefile.in: Regenerate.
6809         * testsuite/arm_abs_global.s: New file.
6810         * testsuite/arm_abs_global.sh: Ditto.
6811         * testsuite/arm_abs_lib.s: Ditto.
6812
6813 2010-02-11  Ian Lance Taylor  <iant@google.com>
6814
6815         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
6816         Read_relocs task.
6817         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
6818         Allocate_commons_task first.
6819         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
6820         task, rather than symtab_lock_.
6821         (Gc_process_relocs::~Gc_process_relocs): New function.
6822         (Gc_process_relocs::is_runnable): Check this_blocker_.
6823         (Gc_process_relocs::locks): Use next_blocker_ rather than
6824         blocker_.
6825         (Scan_relocs::~Scan_relocs): New function.
6826         (Scan_relocs::is_runnable): Check this_blocker_ rather than
6827         symtab_lock_.
6828         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
6829         next_blocker_.
6830         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
6831         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
6832         constructor accordingly.
6833         (class Gc_process_relocs): Likewise.
6834         (class Scan_relocs): Likewise.
6835         * common.h (class Allocate_commons_task): Remove symtab_lock_
6836         field, and corresponding constructor parameter.
6837         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
6838         symtab_lock_.
6839         (Allocate_commons_task::locks): Likewise.
6840
6841 2010-02-11  Ian Lance Taylor  <iant@google.com>
6842
6843         * gold-threads.h (class Once): Define.
6844         (class Initialize_lock): Rewrite as child of Once.
6845         * gold-threads.cc (class Once_initialize): Define.
6846         (once_pointer_control): New static variable.
6847         (once_pointer, once_arg): New static variables.
6848         (c_run_once): New static function.
6849         (Once::Once, Once::run_once, Once::internal_run): New functions.
6850         (class Initialize_lock_once): Remove.
6851         (initialize_lock_control): Remove.
6852         (initialize_lock_pointer): Remove.
6853         (initialize_lock_once): Remove.
6854         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
6855         (Initialize_lock::initialize): Rewrite.
6856         (Initialize_lock::do_run_once): New function.
6857         * archive.cc (Archive::interpret_header): Only clear name if it is
6858         not already empty.
6859         * fileread.cc: Include "gold-threads.h"
6860         (file_counts_lock): New static variable.
6861         (file_counts_initialize_lock): Likewise.
6862         (File_read::release): Only increment counts when using --stats.
6863         Use a lock around the increment.
6864         * parameters.cc (class Set_parameters_target_once): Define.
6865         (set_parameters_target_once): New static variable.
6866         (Parameters::Parameters): Move here from parameters.h.
6867         (Parameters::set_target): Rewrite.
6868         (Parameters::set_target_once): New function.
6869         (Parameters::clear_target): Move here and rewrite.
6870         * parameters.h (class Parameters): Update declarations.  Add
6871         set_parameters_target_once_ field.
6872         (Parameters::Parameters): Move to parameters.cc.
6873         (Parameters::clear_target): Likewise.
6874         * readsyms.cc (Read_symbols::do_group): Create a Start_group
6875         task.
6876         (Start_group::~Start_group): New function.
6877         (Start_group::is_runnable): New function.
6878         (Start_group::locks, Start_group::run): New functions.
6879         (Finish_group::run): Change saw_undefined to size_t.
6880         * readsyms.h (class Start_group): Define.
6881         (class Finish_group): Change saw_undefined_ field to size_t.
6882         (Finish_group::Finish_group): Remove saw_undefined and
6883         this_blocker parameters.  Change all callers.
6884         (Finish_group::set_saw_undefined): New function.
6885         (Finish_group::set_blocker): New function.
6886         * symtab.h (class Symbol_table): Change saw_undefined to return
6887         size_t.  Change saw_undefined_ field to size_t.
6888         * target-select.cc (Set_target_once::do_run_once): New function.
6889         (Target_selector::Target_selector): Initialize set_target_once_
6890         field.  Don't initialize lock_ and initialize_lock_ fields.
6891         (Target_selector::instantiate_target): Rewrite.
6892         (Target_selector::set_target): New function.
6893         * target-select.h (class Set_target_once): Define.
6894         (class Target_selector): Update declarations.  Make
6895         Set_target_once a friend.  Remove lock_ and initialize_lock_
6896         fields.  Add set_target_once_ field.
6897
6898 2010-02-10  Ian Lance Taylor  <iant@google.com>
6899
6900         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
6901         queueing any tasks.
6902         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
6903         (queue_middle_tasks): Add all blockers before queueing any tasks.
6904         (queue_final_tasks): Likewise.
6905         * token.h (Task_token::add_blockers): New function.
6906         * object.h (Input_objects::number_of_relobjs): New function.
6907
6908 2010-02-10  Ian Lance Taylor  <iant@google.com>
6909
6910         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
6911         shared, not if not position independent.
6912         * x86_64.cc (Relocate::relocate_tls): Likewise.
6913         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
6914         (tls_pie_pic_test): New target.
6915         * testsuite/Makefile.in: Rebuild.
6916
6917         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
6918         (tls_test_main_pie.o, tls_test_pie.o): New targets.
6919         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
6920         * testsuite/Makefile.in: Rebuild.
6921
6922 2010-02-09  David S. Miller  <davem@davemloft.net>
6923
6924         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
6925         R_SPARC_RELATIVE using ->add_local_relative().
6926         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
6927
6928         * output.h (Output_data_dynamic::add_section_size): New method
6929         that takes two Output_data objects.
6930         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
6931         entry param.  Handle it in initializers.
6932         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
6933         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
6934         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
6935         arg.
6936         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
6937         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
6938         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
6939         for dynrel_includes_plt.
6940         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6941         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6942         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
6943         before .rela.plt
6944         (Target_sparc::do_finalize_sections): Update to pass true for
6945         dynrel_includes_plt.
6946         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
6947         output before .rela.plt
6948         (Target_powerpc::do_finalize_sections): Update to pass true for
6949         dynrel_includes_plt when 32-bit.
6950
6951 2010-02-08  Doug Kwan  <dougkwan@google.com>
6952
6953         * arm.cc (Arm_relobj::simple_input_section_output_address): New
6954         method.
6955         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
6956         Arm_relobj::scan_section_for_cortex_a8_stubs,
6957         Arm_relobj::do_relocation_section): Instead of calling
6958         Output_section::output_address, use faster
6959         Arm_relobj::simple_input_section_output_address.
6960
6961 2010-02-08  David S. Miller  <davem@davemloft.net>
6962
6963         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
6964         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
6965         relocation helper function.
6966
6967         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
6968         just like R_SPARC_GOT{10,13,22}.
6969         (Target_sparc::Scan::local): Likewise.
6970         (Target_sparc::Relocate:relocate): Likewise.
6971
6972 2010-02-06  Ian Lance Taylor  <iant@google.com>
6973
6974         * configure.ac: Rewrite targetobjs duplicate removal code to use
6975         only shell constructs.
6976         * configure: Rebuild.
6977
6978 2010-02-05  Doug Kwan  <dougkwan@google.com>
6979
6980         PR 11247
6981         * arm.cc (Arm_relobj::section_is_scannable): New method.
6982         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
6983         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
6984
6985 2010-02-04  Doug Kwan  <dougkwan@google.com>
6986
6987         PR 11247
6988         * arm-reloc-property.cc (cstdio): Include.
6989         * configure.ac (targetobjs): Remove duplicates.
6990         * configure: Regenerate.
6991         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
6992         big and little endian version for a given address size.
6993
6994 2010-02-03  Doug Kwan  <dougkwan@google.com>
6995
6996         * arm-reloc-property.cc
6997         (Arm_reloc_property_table::reloc_name_in_error_message): New method
6998         definition.
6999         * arm-reloc-property.h
7000         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7001         New method definition.
7002         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7003         declaration.
7004         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7005         overflow to N.
7006         (GOT_PREL): Change implemented to Y.
7007         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7008         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7009         (Arm_relocate_functions::movw_abs_nc): Remove method.
7010         (Arm_relocate_functions::movt_abs): Ditto.
7011         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7012         (Arm_relocate_functions::thm_movt_abs): Ditto.
7013         (Arm_relocate_functions::movw_rel_nc): Ditto.
7014         (Arm_relocate_functions::movw_rel): Ditto.
7015         (Arm_relocate_functions::movt_rel): Ditto.
7016         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7017         (Arm_relocate_functions:thm_movw_rel): Ditto.
7018         (Arm_relocate_functions:thm_movt_rel): Ditto.
7019         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7020         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7021         New method definitions.
7022         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7023         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7024         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7025         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7026         (Target_arm::Relocate::relocate): Check for non-static or
7027         unimplemented relocation code and exit early.  Change calls to
7028         Target_arm::reloc_uses_thumb_bit and
7029         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7030         instead.  Refactor code to handle similar relocations to increase
7031         code sharing.  Remove check for unsupported relocation code in switch
7032         statement.
7033         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7034         relocation property table to find out size.  Change error message to
7035         print out the name of a relocation code instead of the numeric value.
7036         (Target_arm::scan_reloc_for_stub): Use relocation property table
7037         instead of calling Target_arm::reloc_uses_thumb_bit().
7038
7039 2010-02-02  Doug Kwan  <dougkwan@google.com>
7040
7041         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7042         types of relaxed input section.
7043
7044 2010-02-02  Doug Kwan  <dougkwan@google.com>
7045
7046         * Makefile.am (HFILES): Add arm-reloc-property.h.
7047         (DEFFILES): New.
7048         (TARGETSOURCES): Add arm-reloc-property.cc
7049         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7050         (libgold_a_SOURCES): $(DEFFILES)
7051         * Makefile.in: Regenerate.
7052         * arm-reloc-property.cc: New file.
7053         * arm-reloc-property.h: New file.
7054         * arm-reloc.def: New file.
7055         * arm.cc: Update comments.
7056         (arm-reloc-property.h): New included header.
7057         (arm_reloc_property_table): New global variable.
7058         (Target_arm::do_select_as_default_target): New method definition.
7059         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7060         arm-reloc-property to targ_extra_obj.
7061         * parameters.cc (set_parameters_target): Call
7062         Target::select_as_default_target().
7063         * target.h (Target::select_as_default_target): New method definition.
7064         (Target::do_select_as_default_target): Same.
7065
7066 2010-02-01  Doug Kwan  <dougkwan@google.com>
7067
7068         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7069         first_output_text_section_.
7070         (Arm_exidx_fixup::first_output_text_section): New method definition.
7071         (Arm_exidx_fixup::first_output_text_section_): New data member.
7072         (Arm_exidx_fixup::process_exidx_section): Record the first text
7073         output section seen.
7074         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7075         and entsize in output section header.
7076
7077 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7078
7079         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7080         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7081         (Arm_relocate_functions::thm_alu11): New Method.
7082         (Arm_relocate_functions::thm_pc8): New Method.
7083         (Arm_relocate_functions::thm_pc12): New Method.
7084         (Target_arm::Scan::local): Handle the relocations.
7085         (Target_arm::Scan::global): Likewise.
7086         (Target_arm::Relocate::relocate): Likewise.
7087         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7088
7089 2010-01-29  Doug Kwan  <dougkwan@google.com>
7090
7091         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7092         of relocation types as ld.
7093
7094 2010-01-29  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7097         to public.
7098         (Arm_relocate_functions::thumb_branch_common): Ditto.
7099         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7100         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7101         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7102         Arm_relocate_functions::jump24): Remove.
7103         (Target_arm::Relocate::relocate): Adjust code to call
7104         Arm_relocation_functions::arm_branch_common and
7105         Arm_relocation_functions::thumb_branch_common instead of their removed
7106         wrappers.  Merge switch-cases together to reduce source code size.
7107
7108 2010-01-29  Doug Kwan  <dougkwan@google.com>
7109
7110         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7111         output_local_symbol_count_needs_update_.
7112         (Arm_relobj::output_local_symbol_count_needs_update,
7113          Arm_relobj::set_output_local_symbol_count_needs_update,
7114          Arm_relobj::update_output_local_symbol_count): New methods.
7115         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7116         member.
7117         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7118         of pointed function as in a R_ARM_PREL31 relocation.
7119         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7120         for output local symbol count updating.
7121         (Target_arm::do_relax): Update output local symbol counts in objects
7122         if necessary.
7123         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7124
7125 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7126
7127         * arm.cc: Added support for the ARM relocations:
7128         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7129         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7130         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7131         movw_prel_nc).
7132         (Arm_relocate_functions::movw_rel): New method.
7133         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7134         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7135         thm_movw_prel_nc).
7136         (Arm_relocate_functions::thm_movw_rel): New method.
7137         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7138         thm_movt_prel).
7139         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7140         relocations.
7141         (Target_arm::Scan::global): Likewise.
7142         (Target_arm::Relocate::relocate): Likewise.
7143         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7144         Likewise.
7145
7146 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7147
7148         * arm.cc: Added support for ARM group relocations.
7149         (Target_arm::reloc_needs_sym_origin): New method.
7150         (Arm_relocate_functions::calc_grp_kn): New method.
7151         (Arm_relocate_functions::calc_grp_residual): New method.
7152         (Arm_relocate_functions::calc_grp_gn): New method.
7153         (Arm_relocate_functions::arm_grp_alu): New Method.
7154         (Arm_relocate_functions::arm_grp_ldr): New Method.
7155         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7156         (Arm_relocate_functions::arm_grp_ldc): New Method.
7157         (Target_arm::Scan::local): Handle the ARM group relocations.
7158         (Target_arm::Scan::global): Likewise.
7159         (Target_arm::Relocate::relocate): Likewise.
7160         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7161         Likewise.
7162
7163 2010-01-26  Doug Kwan  <dougkwan@google.com>
7164
7165         * arm.cc (set): Include.
7166         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7167         pointer type.
7168         (Arm_output_section::Text_section_list): New type.
7169         (Arm_output_section::append_text_sections_to_list): New method.
7170         (Arm_output_section::fix_exidx_coverage): Ditto.
7171         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7172         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7173         Relobj::set_section_offset() instead of
7174         Sized_relobj::invalidate_section_offset().
7175         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7176         parameter for section headers. Ignore relocation sections for
7177         unallocated sections and EXIDX sections.
7178         (Target_arm::fix_exidx_coverage): New method.
7179         (Target_arm::output_section_address_less_than): New type.
7180         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7181         linked text section instead of the EXIDX section.
7182         (Arm_output_section::create_stub_group): Add an assertion to check
7183         that this is not an EXIDX output section.
7184         (Arm_output_section::append_text_sections_to_list): New method.
7185         (Arm_output_section::fix_exidx_coverage): Ditto.
7186         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7187         Arm_relobj::section_needs_reloc_stub_scanning.
7188         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7189         first pass.
7190         (Target_arm::fix_exidx_coverage): New method.
7191         * object.h (Relobj::set_output_section): New method.
7192         (Sized_relobj::invalidate_section_offset): Remove method.
7193         (Sized_relobj::do_invalidate_section_offset): Remove method.
7194         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7195
7196 2010-01-25  Doug Kwan  <dougkwan@google.com>
7197
7198         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7199         Fix warning due to signed and unsigned comparison on a 32-bit host.
7200
7201 2010-01-22  Doug Kwan  <dougkwan@google.com>
7202
7203         * arm.cc (Target_arm::do_relax): Record an output section for section
7204         offset adjustment it contains any stub table that has changed.
7205         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7206         offsets in an output section if necessary.
7207         * output.cc (Output_section::Output_section): Initialize
7208         section_offsets_need_adjustments_.
7209         (Output_section::add_input_section_for_script): Renamed to
7210         Output_section::add_simple_input_section.
7211         (Output_section::save_states): Add a comment.
7212         (Output_section::discard_states): New method defintion.
7213         (Output_section::adjust_section_offsets): Same.
7214         * output.h (Output_section::add_input_section_for_script): Renamed to
7215         Output_section::add_simple_input_section.
7216         (Output_section::discard_states): New method declaration.
7217         (Output_section::adjust_section_offsets): Same.
7218         (Output_section::section_offsets_need_adjustment,
7219         Output_section::set_section_offsets_need_adjustment): New method
7220         definitions.
7221         (Output_section::section_offsets_need_adjustment_): New data member.
7222         * script-sections.cc
7223         (Output_section_element_input::set_section_address): Adjust code for
7224         renaming of Output_section::add_input_section_for_script.
7225         (Orphan_output_section::set_section_address): Same.
7226
7227 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7228
7229         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7230         Fix_v4bx enum values .
7231         * gold/options.h (General_options): New option definitions.
7232         (General_options::fix_v4bx): New method.
7233         (General_options::Fix_v4bx): New enum.
7234         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7235         (General_options::parse_fix_v4bx_interworking): New method.
7236
7237 2010-01-22  Doug Kwan  <dougkwan@google.com>
7238
7239         * arm.cc (Arm_exidx_fixup): New class.
7240
7241 2010-01-21  Doug Kwan  <dougkwan@google.com>
7242
7243         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7244         classes.
7245         (Arm_exidx_section_offset_map): New type.
7246
7247 2010-01-21  Doug Kwan  <dougkwan@google.com>
7248
7249         * arm.cc (Arm_exidx_input_section): New class.
7250         (Arm_relobj::exidx_input_section_by_link,
7251         Arm_relobj::exidx_input_section_by_shndx,
7252         Arm_relobj::make_exidx_input_section): New methods.
7253         (read_arm_attributes_section): Remove.
7254         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7255         information about them.
7256         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7257         to here.
7258
7259 2010-01-20  Doug Kwan  <dougkwan@google.com>
7260
7261         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7262         Input_section_specifier to Section_id.
7263         (Target_arm::new_arm_input_section: Adjust code for change of key
7264         type.
7265         (Target_arm::find_arm_input_section): Ditto.
7266         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7267         (Section_id): Remove.
7268         (Garbage_collection::Section_id_hash): Remove.
7269         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7270         (Section_id): Remove.
7271         (Icf::Section_id_hash): Remove.
7272         * object.h (Section_id, Const_section_id, Section_id_hash,
7273         Const_section_id_hash): New type definitions.
7274         * output.cc (Output_section::add_relaxed_input_section): Change to
7275         use Const_section_id instead of Input_section_specifier as key type.
7276         (Output_section::add_merge_input_section): Ditto.
7277         (Output_section::build_relaxation_map): Change to use Section_id
7278         instead of Input_section_specifier as key type.
7279         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7280         Ditto.
7281         (Output_section::convert_input_sections_to_relaxed_sections): Change
7282         to use Const_section_id instead of Input_section_specifier as key type.
7283         (Output_section::find_merge_section): Ditto.
7284         (Output_section::find_relaxed_input_section): Ditto.
7285         * output.h (Input_section_specifier): Remove class.
7286         (Output_section::Output_section_data_by_input_section_map): Change
7287         key type to Const_section_id.
7288         (Output_section::Output_relaxed_input_section_by_input_section_map):
7289         Ditto.
7290         (Output_section::Relaxation_map): Change key type to Section_id.
7291
7292 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7293
7294         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7295         (class Arm_v4bx_stub): New class.
7296         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7297         (Stub_factory::make_arm_v4bx_stub): New method.
7298         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7299         (Stub_table::empty): Handle v4bx stubs.
7300         (Stub_table::add_arm_v4bx_stub): New method.
7301         (Stub_table::find_arm_v4bx_stub): New method.
7302         (Arm_relocate_functions::v4bx): New method.
7303         (Target_arm::fix_v4bx): New method.
7304         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7305         (Stub_table::relocate_stubs): Likewise.
7306         (Stub_table::do_write): Likewise.
7307         (Stub_table::update_data_size_and_addralign): Likewise.
7308         (Stub_table::finalize_stubs):  Likewise.
7309         (Target_arm::Scan::local): Likewise.
7310         (Target_arm::Scan::global): Likewise.
7311         (Target_arm::do_finalize_sections): Likewise.
7312         (Target_arm::Relocate::relocate): Likewise.
7313         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7314         Likewise.
7315         (Target_arm::scan_reloc_for_stub): Likewise.
7316         (Target_arm::scan_reloc_section_for_stubs): Likewise.
7317
7318 2010-01-19  Ian Lance Taylor  <iant@google.com>
7319
7320         * output.cc (Output_section_headers::do_sized_write): Write large
7321         segment count to sh_info field.
7322         (Output_file_header::do_sized_write): For large segment count,
7323         write PN_XNUM to e_phnum field.
7324
7325 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7326
7327         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
7328         (Arm_relocate_functions::thm_jump8): New function.
7329         (Arm_relocate_functions::thm_jump11): New function.
7330         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
7331         R_ARM_THM_JUMP11.
7332         (Target_arm::Scan::global): Likewise.
7333         (Target_arm::Relocate::relocate): Likewise.
7334         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7335         Likewise.
7336
7337 2010-01-14  Doug Kwan  <dougkwan@google.com>
7338
7339         * arm.cc (map, utility): Include headers.
7340         (Target_arm::apply_cortex_a8_workaround): New method.
7341         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
7342         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
7343         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
7344         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
7345         the --[no-]fix-cortex-a8 command line options.
7346         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
7347         (Target_arm::relocate_stub): Use addend in instruction template.
7348         * options.h (DEFINE_bool): Set the user-set flag.
7349         (General_options): Add --[no-]-fix-cortex options.
7350         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
7351         : Update fast look-up map after conversion.
7352
7353 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
7354
7355         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
7356         in the first pass of do_layout.
7357
7358 2010-01-13  Doug Kwan  <dougkwan@google.com>
7359
7360         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7361         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
7362         apparent compiler problem of not folding static constant integral
7363         data members of elfcpp::Elf_sizes<32>.
7364
7365 2010-01-13  Doug Kwan  <dougkwan@google.com>
7366
7367         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
7368         Arm_relobj::section_needs_cortex_a8_stub_scanning,
7369         Arm_relobj::scan_section_for_cortex_a8_erratum,
7370         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
7371         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
7372         sections to scan for relocation stubs into a new method
7373         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
7374         relocation and Cortex-A8 stub scanning.
7375         (Target_arm::do_relax): Force stubs to be after stubbed sections
7376         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
7377         the beginning of a new relaxation pass.  Update a comment.
7378         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
7379
7380 2010-01-12  Ian Lance Taylor  <iant@google.com>
7381
7382         * target-reloc.h (visibility_error): New inline function.
7383         (relocate_section): Call visibility_error.
7384         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
7385         (MOSTLYCLEANFILES): Likewise.
7386         (protected_4_pic.o, protected_3.err): New targets.
7387         * testsuite/protected_4.cc: New file.
7388
7389 2010-01-12  Doug Kwan  <dougkwan@google.com>
7390
7391         * arm.cc (Cortex_a8_reloc): New class.
7392         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
7393         and cortex_a8_relocs_info_.
7394         (Target_arm::fix_cortex_a8): New method definition.
7395         (Target_arm::Cortex_a8_relocs_info): New type.
7396         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
7397         New data member declarations.
7398         (Target_arm::scan_reloc_for_stub): Record information about
7399         relocations for THUMB branches that might be exempted from the
7400         Cortex-A8 workaround.
7401         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
7402         at the beginning of a relaxation pass.
7403
7404 2010-01-12  Doug Kwan  <dougkwan@google.com>
7405
7406         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
7407         (Arm_relobj::Mapping_symbol_position,
7408          Arm_reloj::Mapping_symbol_position_less,
7409          Arm_relobj::Mapping_symbols_info): New types.
7410         (Target_arm::is_mapping_symbol_name): New method definition.
7411         (Arm_relobj::do_count_local_symbols): Save information about mapping
7412         symbols.
7413
7414 2010-01-11  Doug Kwan  <dougkwan@google.com>
7415
7416         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
7417         Arm_relocate_functions::thumb32_branch_upper,
7418         Arm_relocate_functions::thumb32_branch_lower,
7419         Arm_relocate_functions::thumb32_cond_branch_offset,
7420         Arm_relocate_functions::thumb32_cond_branch_upper,
7421         Arm_relocate_functions::thumb32_cond_branch_lower,
7422         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
7423         branch offset encoding.
7424         (Arm_relocate_functions::thumb_branch_common): Use new branch
7425         offset encoding methods to avoid code duplication.
7426         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
7427         (Stub_addend_reader::operator()): Use new branch encoding method
7428         to avoid code duplication.
7429
7430 2010-01-11  Doug Kwan  <dougkwan@google.com>
7431
7432         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
7433         (Target_arm::do_finalize_sections): Define special EXIDX section
7434         symbols only if referenced.
7435         * gc.h (Garbage_collection::add_reference): New method.
7436         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
7437         code duplication.
7438
7439 2010-01-11  Ian Lance Taylor  <iant@google.com>
7440
7441         * script.cc (Version_script_info::build_expression_list_lookup):
7442         Change complaing about duplicate wildcard match from error to
7443         warning.
7444
7445         * script.cc (class Lazy_demangler): Recreate--revert part of patch
7446         of 2009-12-30.
7447         (Version_script_info::Version_script_info): Initialize globs_,
7448         default_version_, default_is_global_, and exact_.  Don't
7449         initialize globals_ or locals_.
7450         (Version_script_info::build_lookup_tables): Build local symbols
7451         first.
7452         (Version_script_info::unquote): New function.
7453         (Version_script_info::add_exact_match): New function.
7454         (Version_script_info::build_expression_list_lookup): Remove lookup
7455         parameter.  Add is_global parameter.  Change all callers.  Handle
7456         wildcard pattern specially.  Unquote pattern.  Call
7457         add_exact_match.
7458         (Version_script_info::get_name_to_match): New function.
7459         (Version_script_info::get_symbol_version): New function.
7460         (Version_script_info::get_symbol_version_helper): Remove.
7461         (Version_script_info::check_unmatched_names): Call unquote.
7462         * script.h (class Version_script_info): Change get_symbol_version
7463         to be non-inline and add is_global parameter; change all callers.
7464         Rewrite symbol_is_local.  Update declarations.  Define struct
7465         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
7466         Remove globals_ and locals_ members.  Add exact_, globs_,
7467         default_version_, is_global_.
7468         (Version_script_info::Glob): Remove pattern, add expression and
7469         is_global.  Update constructor.  Change all callers.
7470         * dynobj.cc (Versions::finalize): Mark the version symbol as the
7471         default version.
7472         (Versions::symbol_section_contents): If a symbol is undefined, or
7473         defined in a dynamic object, set the version index to
7474         VER_NDX_LOCAL.
7475         * symtab.cc (Symbol_table::add_from_relobj): Don't call
7476         symbol_is_local.
7477         (Symbol_table::add_from_pluginobj): Likewise.
7478         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
7479
7480 2010-01-11  Doug Kwan  <dougkwan@google.com>
7481
7482         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
7483         (incremental_dump_LDADD): Add linking option for libintl.
7484         * Makefile.in: Regenerate.
7485
7486 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
7487
7488         PR gold/11144
7489         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
7490         instead of -Ds.
7491         * testsuite/Makefile.in: Regenerated.
7492
7493 2010-01-10  Doug Kwan  <dougkwan@google.com>
7494
7495         * options.h (DEFINE_var): Use parentheses around argument varname__
7496         in macro body to avoid any unintended subsequent substitutions.
7497
7498 2010-01-10  Ian Lance Taylor  <iant@google.com>
7499
7500         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
7501         candidates before doing symbol resolution.
7502
7503         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
7504         ODR candidates if only one is weak.
7505
7506 2010-01-08  Ian Lance Taylor  <iant@google.com>
7507
7508         * script.cc (Version_script_info::build_expression_list_lookup):
7509         Don't warn about ambiguous version, just record the ambiguity.
7510         (Version_script_info::get_symbol_version_helper): Give error if
7511         version is ambiguous.
7512
7513 2010-01-08  Doug Kwan  <dougkwan@google.com>
7514
7515         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
7516         prev_data_size_ and prev_addralign_.  Remove initializer for
7517         deleted data member has_been_changed_.
7518         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
7519         to determine if the table is empty.
7520         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
7521         Remove.
7522         (Stub_table::add_reloc_stub): Define method in class definition
7523         instead of just declaring it there.
7524         (Stub_table::add_cortex_a8_stub): New method definition.
7525         (Stub_table::update_data_size_and_addralign): Ditto.
7526         (Stub_table::finalize_stubs): Ditto.
7527         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
7528         (Stub_table::do_addralign_): Return address alignment in the
7529         (Stub_table::do_reset_address_and_file_offset): Define method in
7530         class definition instead of declaring it there.  Set current data
7531         size to be the data size of the previous pass.
7532         (Stub_table::set_final_data_size): Use current data size as the
7533         final data size.
7534         (Stub_table::relocate_stub): Change parameter type of stub from
7535         Reloc_stub pointer to Stub pointer.
7536         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
7537         (Stub_table::Cortex_a8_stub_list): New typedef.
7538         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
7539          Stub_table::prev_addralign_): New data member.
7540         (Arm_relobj::Arm_relobj): Initialize data member
7541         section_has_cortex_a8_workaround_.
7542         (Arm_relobj::section_has_cortex_a8_workaround,
7543          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
7544          definitions.
7545         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
7546         declarations.
7547         (Target_arm::relocate_stub): Change parameter type of stub from
7548         Reloc_stub pointer to Stub pointer.
7549         (Insn_template::size, Insn_template::alignment): Handle
7550         THUMB16_SPECIAL_TYPE.
7551         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
7552          Stub_table::update_data_size_and_addralign,
7553          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
7554         definitions.
7555         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
7556         (Stub_table::do_write): Ditto.
7557         (Target_arm::do_relax): Adjust code for changes in Stub_table.
7558
7559 2010-01-08  Ian Lance Taylor  <iant@google.com>
7560
7561         PR 11108
7562         * symtab.h (class Symbol): Remove fields is_target_special_ and
7563         has_plt_offset_.  Add field is_defined_in_discarded_section_.
7564         (Symbol::is_defined_in_discarded_section): New function.
7565         (Symbol::set_is_defined_in_discarded_section): New function.
7566         (Symbol::has_plt_offset): Rewrite.
7567         (Symbol::set_plt_offset): Verify that new offset is not -1U.
7568         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
7569         Don't initialize is_target_special_ or has_plt_offset_.
7570         Initialize is_defined_in_discarded_section_.
7571         (Symbol_table::add_from_relobj): If appropriate, set
7572         is_defined_in_discarded_section.
7573         * resolve.cc (Symbol::override_base_with_special): Don't test
7574         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
7575         * target-reloc.h (relocate_section): Do special handling for
7576         symbols defined in discarded sections for global symbols as well
7577         as local symbols.
7578
7579 2010-01-08  Ian Lance Taylor  <iant@google.com>
7580
7581         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
7582         the SHT_SYMTAB case.
7583
7584 2010-01-08  Ian Lance Taylor  <iant@google.com>
7585
7586         * object.cc (Sized_relobj::do_layout): Don't get confused if
7587         layout_eh_frame returns NULL.
7588
7589 2010-01-08  Ian Lance Taylor  <iant@google.com>
7590
7591         PR 11084
7592         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
7593         dynamic symbol table, use the normal symbol table.
7594         (Sized_dynobj::do_read_symbols): Remove assertion about type of
7595         symbol table.
7596
7597 2010-01-08  Ian Lance Taylor  <iant@google.com>
7598
7599         PR 11072
7600         * layout.cc (Layout::include_section): Remove .gnu_debuglink
7601         sections.
7602
7603 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
7604
7605         * version.cc (print_version): Change to "Copyright 2010".
7606
7607 2010-01-08  Ian Lance Taylor  <iant@google.com>
7608
7609         PR 10287
7610         PR 11063
7611         * i386.cc (class Target_i386): Change return type of plt_section
7612         to be non-const.
7613         (class Output_data_plt_i386): Add tls_desc_rel_ field.
7614         (Output_data_plt_i386::Output_data_plt_i386): Initialize
7615         tls_desc_rel_ field.
7616         (Output_data_plt_i386::rel_tls_desc): New function.
7617         (Target_i386::rel_tls_desc_section): New function.
7618         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
7619         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
7620         R_386_TLS_DESC reloc in rel_tls_desc_section.
7621         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
7622         Define struct Tlsdesc_info.
7623         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
7624         (Target_x86_64::do_reloc_symbol_index): New function.
7625         (Target_x86_64::add_tlsdesc_info): New function.
7626         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
7627         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
7628         tlsdesc_rel_ field.
7629         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
7630         all callers.
7631         (Output_data_plt_x86_64::rela_tlsdesc): New function.
7632         (Target_x86_64::rela_tlsdesc_section): New function.
7633         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
7634         handling.
7635         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
7636         (Target_x86_64::do_reloc_addend): New function.
7637         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
7638         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
7639         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
7640         (Output_reloc::type): New function.
7641         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
7642         (Output_reloc::is_target_specific): New function.
7643         (Output_reloc::target_arg): New function.
7644         (class Output_reloc) [SHT_RELA]: Add four new constructors for
7645         absolute relocs and target specific relocs.
7646         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
7647         add_target_specific.
7648         (class Output_data_reloc) [SHT_RELA]: Likewise.
7649         * output.cc (Output_reloc::Output_reloc): Add four new versions
7650         for absolute relocs and target specific relocs.
7651         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
7652         (Output_reloc::get_symbol_index): Likewise.
7653         (Output_reloc::local_section_offset): Check that local_sym_index_
7654         is not TARGET_CODE or 0.
7655         (Output_reloc::symbol_value): Likewise.
7656         (Output_reloc::write) [SHT_RELA]: Call target for target specific
7657         reloc.
7658         * target.h (class Target): Add reloc_symbol_index and reloc_addend
7659         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
7660         functions.
7661         * layout.cc (add_target_dynamic_tags): Use output section for
7662         DT_PLTRELSZ and DT_JMPREL.
7663
7664 2010-01-07  Ian Lance Taylor  <iant@google.com>
7665
7666         PR 11061
7667         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
7668         function.
7669         (class Output_data_reloc_generic): Define.
7670         (class Output_data_reloc_base): Change base class to
7671         Output_data_reloc_generic.  Change add() method to call
7672         bump_relative_reloc_count for a relative reloc.  Remove
7673         sort_relocs_ field.
7674         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
7675         to sort_relocs().
7676         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
7677         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
7678         appropriate.
7679         * layout.h (class Layout): Update declaration.
7680
7681 2010-01-07  Ian Lance Taylor  <iant@google.com>
7682
7683         * output.h (class Output_data): Add const version of
7684         output_section and do_output_section.
7685         (class Output_section_data): Add const version of
7686         do_output_section.
7687         (class Output_section): Likewise.
7688         * layout.cc (Layout::add_target_dynamic_tags): New function.
7689         * layout.h (class Layout): Update declarations.
7690         * arm.cc (Target_arm::do_finalize_sections): Use
7691         add_target_dynamic_tags.
7692         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7693         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7694         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7695         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7696
7697 2010-01-07  Ian Lance Taylor  <iant@google.com>
7698
7699         PR 11042
7700         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
7701         object as needed.
7702
7703 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
7704             Ian Lance Taylor  <iant@google.com>
7705
7706         PR 11019
7707         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
7708         Xindex::read_symtab_xindex.
7709
7710 2010-01-07  Doug Kwan  <dougkwan@google.com>
7711
7712         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
7713         (Insn_template::thumb16_bcond_insn): New method declaration.
7714         (Insn_template): Fix spelling.
7715         (Stub::thumb16_special): New method declaration.
7716         (Stub::do_write): Define virtual method which was previously pure
7717         virtual.
7718         (Stub::do_thumb16_special): New method declaration.
7719         (Stub::do_fixed_endian_write): New template member.
7720         (Reloc_stub::do_write): Remove.
7721         (Reloc_stub::do_fixed_endian_write): Remove.
7722         (Cortex_a8_stub): New class definition.
7723         (Stub_factory::make_cortex_a8_stub): New method definition.
7724         (Stub_factory::Stub_factory): Add missing static storage class
7725         qualifier for elf32_arm_stub_a8_veneer_blx.
7726
7727 2010-01-07  Ian Lance Taylor  <iant@google.com>
7728
7729         PR 10980
7730         * options.h (class General_options): Add --warn-unresolved-symbols
7731         and --error-unresolved-symbols.
7732         * errors.cc (Errors::undefined_symbol): Implement
7733         --warn-unresolved-symbols.
7734
7735         * options.h (class General_options): Add -z text and -z textoff.
7736         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
7737
7738 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
7739
7740         * gc.h (Garbage_collection::Cident_section_map): New typedef.
7741         (Garbage_collection::cident_sections): New function.
7742         (Garbage_collection::add_cident_section): New function.
7743         (Garbage_collection::cident_sections_): New member.
7744         (gc_process_relocs): Add references to sections whose names are C
7745         identifiers.
7746         * gold.h (cident_section_start_prefix): New constant.
7747         (cident_section_stop_prefix): New constant.
7748         (is_cident): New function.
7749         * layout.cc (Layout::define_section_symbols): Replace string constants
7750         with the newly defined constants.
7751         * object.cc (Sized_relobj::do_layout): Track sections whose names are
7752         C identifiers.
7753         * testsuite/Makefile.am: Add gc_orphan_section_test.
7754         * testsuite/Makefile.in: Regenerate.
7755         * testsuite/gc_orphan_section_test.cc: New file.
7756         * testsuite/gc_orphan_section_test.sh: New file.
7757
7758 2010-01-06  Ian Lance Taylor  <iant@google.com>
7759
7760         PR 10980
7761         * options.h (class General_options): Add --warn-shared-textrel.
7762         * layout.cc (Layout::finish_dynamic_section): Implement
7763         --warn-shared-textrel.
7764
7765         PR 10980
7766         * options.h (class General_options): Add --warn-multiple-gp.
7767
7768 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7769
7770         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
7771         $(THREADSLIB) and $(LIBDL).
7772         * Makefile.in: Rebuild.
7773
7774 2010-01-06  Ian Lance Taylor  <iant@google.com>
7775
7776         PR 10980
7777         * options.cc (General_options::parse_section_start): New function.
7778         (General_options::section_start): New function.
7779         (General_options::General_options): Initialize all members.
7780         * options.h: Include <map>
7781         (class General_options): Add --section-start.  Add section_starts_
7782         member.
7783         * layout.cc (Layout::attach_allocated_section_to_segment): If
7784         --section-start was used, set the address of the segment.  Remove
7785         local sort_sections.
7786         (Layout::relaxation_loop_body): If the address of the load segment
7787         has been set by --section-start, don't use it.
7788         * output.h (Output_segment::update_flags_for_output_section): New
7789         function.
7790         * output.cc (Output_segment::add_output_section): Call
7791         update_flags_for_output_section.
7792
7793 2010-01-05  Ian Lance Taylor  <iant@google.com>
7794
7795         PR 10980
7796         * options.h (class General_options): Add --undefined-version.
7797         * script.cc (struct Version_expression): Add was_matched_by_symbol
7798         field.
7799         (Version_script_info::matched_symbol): New function.
7800         (Version_script_info::get_symbol_version_helper): Call
7801         matched_symbol.
7802         (Version_script_info::check_unmatched_names): New function.
7803         * script.h (class Version_script_info): Update declarations.
7804         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
7805
7806         * options.h (class General_options): Use DEFINE_bool_alias for
7807         allow_multiple_definition.
7808         * resolve.cc (Symbol_table::should_override): Don't test
7809         allow_multiple_definition.
7810
7811         PR 10980
7812         * options.h (class General_options): Add --cref.
7813         * main.cc (main): Print cref table if --cref.  Don't close mapfile
7814         until after printing cref table.
7815         * cref.cc: Include "symtab.h".
7816         (class Cref_inputs): Define Cref_table_compare and Cref_table.
7817         (Cref_table_compare::operator()): New function.
7818         (Cref_inputs::gather_cref): New function.
7819         (filecol): New static const.
7820         (Cref_inputs::print_cref): New function.
7821         (Cref::print_cref): New function.
7822         * cref.h: Include <cstdio>.
7823         (class Cref): Update declarations.
7824         * mapfile.h (Mapfile::file): New function.
7825         * object.h (class Object): Define Symbols.  Declare virtual
7826         do_get_global_symbols.
7827         (Object::get_global_symbols): New function.
7828         * object.cc (Input_objects::add_object): Pass object to cref_ if
7829         --cref.
7830         (Input_objects::archive_start): Likewise.
7831         (Input_objects::archive_stop): Likewise.
7832         (Input_objects::print_cref): New function.
7833         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
7834         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
7835         --cref.
7836         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
7837         function.
7838         * plugin.h (class Sized_pluginobj): Update declarations.
7839
7840 2010-01-05  Ian Lance Taylor  <iant@google.com>
7841
7842         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
7843         to is_default_version.  Rename insdef to insdefault.
7844         (Symbol_table::add_from_relobj): Rename def to is_default_version
7845         and local to is_forced_local.
7846         (Symbol_table::add_from_pluginobj): Likewise.
7847         (Symbol_table::add_from_dynobj): Likewise.
7848         (Symbol_table::define_special_symbol): Rename insdef to
7849         insdefault.
7850
7851 2010-01-04  Ian Lance Taylor  <iant@google.com>
7852
7853         PR 10980
7854         * options.h (class General_options): Add
7855         --allow-multiple-definition and -z muldefs.
7856         * resolve.cc (Symbol_table::should_override): Don't warn about a
7857         multiple symbol definition if --allow-multiple-definition or -z
7858         muldefs.
7859
7860         PR 10980
7861         * options.h (class General_options): Add --add-needed and
7862         --copy-dt-needed-entries.  Tweak --as-needed help entry.
7863         * object.cc (Input_objects::check_dynamic_dependencies): Give an
7864         error if --copy-dt-needed-entries aka --add-needed is used and
7865         would cause a change in behaviour.
7866
7867         PR 10980
7868         * options.h (class General_options): Add -G as a short version of
7869         --shared.  Add no-op options -assert, -g, and -i.
7870
7871 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
7872
7873         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
7874         check for .text or .gnu.linkonce.t sections.
7875         * icf.cc (Icf::find_identical_sections): Ditto.
7876         Change the detection for mangled function name within the section
7877         name.
7878         * icf.h (is_section_foldable_candidate): New function.
7879
7880 2009-12-30  Ian Lance Taylor  <iant@google.com>
7881
7882         PR 10980
7883         * options.h (class General_options): Permit two dashes with
7884         --retain-symbols-file.
7885
7886 2009-12-30  Ian Lance Taylor  <iant@google.com>
7887
7888         PR 10979
7889         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
7890         don't put the file header and segment headers in the text
7891         segment.
7892
7893         PR 10979
7894         * common.cc (Sort_commons::operator()): Stabilize sort when both
7895         entries are NULL.
7896         (Symbol_table::do_allocate_commons_list): When allocating common
7897         symbols, skip a symbol which is no longer common.
7898         * symtab.h (Symbol::is_common): Test whether the symbol comes from
7899         an object before checking its type.
7900         * testsuite/common_test_2.c: New file.
7901         * testsuite/common_test_3.c: New file.
7902         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
7903         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
7904         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
7905         (common_test_2_pic.o, common_test_2.so): New targets.
7906         (common_test_3_pic.o, common_test_3.so): New targets.
7907         * testsuite/Makefile.in: Rebuild.
7908
7909         PR 10979
7910         * script.cc (read_input_script): If we see a new SECTIONS clause,
7911         and we have added an input section, give an error.
7912         * layout.h (class Layout): Add have_added_input_section function.
7913         Add have_added_input_section_ field.
7914         * layout.cc (Layout::Layout): Initialize
7915         have_added_input_section_.
7916         (Layout::layout): Set have_added_input_section_.
7917         (Layout::layout_eh_frame): Likewise.
7918
7919 2009-12-30  Ian Lance Taylor  <iant@google.com>
7920
7921         PR 10931
7922         * options.h (class General_options): Add --sort-common option.
7923         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
7924         * common.cc (Sort_common): Add sort_order parameter to
7925         constructor.  Add sort_order_ field.
7926         (Sort_commons::operator): Check sort_order_.
7927         (Symbol_table::allocate_commons): Determine the sort order.
7928         (Symbol_table::do_allocate_commons): Add sort_order parameter.
7929         Change all callers.
7930         (Symbol_table::do_allocate_commons_list): Likewise.
7931
7932 2009-12-30  Ian Lance Taylor  <iant@google.com>
7933
7934         PR 10916
7935         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
7936         symbols from this object, don't change the visibility of an
7937         undefined symbol.
7938         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
7939
7940 2009-12-30  Ian Lance Taylor  <iant@google.com>
7941
7942         PR 10861
7943         * script.h (class Version_script_info): Define Language enum.
7944         Update declarations.  Define Glob, Exact, and Lookup types.  Add
7945         new fields globals_, locals_, and is_finalized_.
7946         * script.cc: Various formatting fixes.
7947         (class Parser_closure): Change language_stack_ from a vector of
7948         std::string to one of Version_script_info::Language.  Adjust all
7949         uses accordingly.
7950         (class Lazy_demangler): Remove.
7951         (struct Version_expression): Change language from std::string to
7952         Version_script_info::Language.
7953         (Version_script_info::Version_script_info): New function.
7954         (Version_script_info::~Version_script_info): Don't call clear.
7955         (Version_script_info::finalize): New function.
7956         (Version_script_info::build_lookup_tables): New function.
7957         (Version_script_info::build_expression_list_lookup): New
7958         function.
7959         (Version_script_info::get_symbol_version_helper): Rewrite to use
7960         lookup tables.
7961         (Version_script_info::print_expression_list): Adjust to use
7962         Version_script_info::Language.
7963         (script_push_lex_into_version_mode): Check that the version script
7964         has not been finalized.
7965         (version_script_push_lang): Change language string to
7966         Version_script_info::Language.
7967         * options.cc (Command_line::version_script): New function.
7968         * options.h (class General_options): Add finalize_dynamic_list
7969         function.  Change version_script from declaration to definition.
7970         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
7971         * testsuite/version_script.map: Remove duplicate def of foo.
7972         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
7973         version_script.map.
7974         * testsuite/Makefile.in: Rebuild.
7975
7976 2009-12-30  Ian Lance Taylor  <iant@google.com>
7977
7978         PR 10843
7979         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
7980         if the input symbol index is 0, make the output symbol index 0.
7981
7982 2009-12-30  Ian Lance Taylor  <iant@google.com>
7983
7984         PR 10670
7985         * options.h (class General_options): Add -x/--discard-all.
7986         * object.cc (Sized_relobj::do_count_local_symbols): Handle
7987         --discard-all.  If the local symbol needs a dynamic entry, check
7988         that before handling --discard-locals.
7989
7990 2009-12-30  Ian Lance Taylor  <iant@google.com>
7991
7992         PR 10450
7993         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
7994         flags to PF_R.
7995         (Output_segment::add_output_section): Don't change the flags if
7996         the type is PT_TLS.
7997
7998         PR 10450
7999         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8000         GNU hash table if they need a dynamic value.  Otherwise, don't add
8001         them if they are defined in a dynamic object or are forced local.
8002
8003 2009-12-29  Ian Lance Taylor  <iant@google.com>
8004
8005         PR 10450
8006         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8007         .gnu.hash table for a 32-bit target.
8008
8009         PR 10450
8010         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8011         regular and a dynamic object only needs a dynamic symbol table
8012         entry if it is externally visible.
8013
8014         PR 10450
8015         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8016         constructor.  Add global_offset_table_ field.
8017         (Target_i386::got_section): Set global_offset_table_.
8018         (Target_i386::do_finalize_sections): Set global_offset_table_
8019         size.
8020         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8021         in constructor.  Add global_offset_table_ field.
8022         (Target_x86_64::got_section): Set global_offset_table_.
8023         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8024         size.
8025
8026         * layout.cc (Layout::Layout): Initialize increase_relro_.
8027         (Layout::get_output_section): Add is_relro, is_last_relro, and
8028         is_first_non_relro parameters.  Change all callers.
8029         (Layout::choose_output_section): Likewise.
8030         (Layout::add_output_section_data): Likewise.
8031         (Layout::make_output_section): Likewise.
8032         (Layout::set_segment_offsets): Clear increase_relro when using a
8033         linker script.
8034         * layout.h (class Layout): Add increase_relro method.  Add
8035         increase_relro_ field.  Update declarations.
8036         * output.cc (Output_section::Output_section): Initialize
8037         is_last_relro_ and is_first_non_relro_.
8038         (Output_segment::add_output_section): Group relro sections is
8039         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8040         (Output_segment::maximum_alignment): Remove relro handling.
8041         (Output_segment::set_section_addresses): Add increase_relro
8042         parameter.  Change all callers.  Add initial alignment to align
8043         relro sections on separate page.  Remove old relro handling.
8044         (Output_segment::set_section_list_addresses): Remove in_relro
8045         parameter.  Change all callers.
8046         (Output_segment::set_offset): Add increase parameter.  Change all
8047         callers.  Remove old relro handling.
8048         * output.h (class Output_section): Add new methods: is_last_relro,
8049         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8050         Add is_last_relro_ and is_first_non_relro_ fields.
8051         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8052         Create separate .got.plt section.  Call increase_relro.
8053         * x86_64.cc (Target_x86_64::got_section): Likewise.
8054         * testsuite/relro_script_test.t: Add .got.plt.
8055
8056         PR 10450
8057         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8058         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8059         (Layout::finalize): Call set_dynamic_symbol_size.
8060         (Layout::set_dynamic_symbol_size): New function.
8061         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8062         set_dynamic_symbol_size.
8063
8064         PR 10450
8065         * output.h (class Output_section): Add is_entsize_zero_ field.
8066         * output.cc (Output_section::Output_section): Initialize
8067         is_entsize_zero_.
8068         (Output_section::set_entsize): If two different entsizes are
8069         requested, force it to zero.
8070         (Output_section::add_input_section): Set flags for .debug_str
8071         before updating section flags.  Set entsize.
8072         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8073         and SHF_STRING if all input sections have those flags.
8074
8075 2009-12-29   Rafael Espindola  <espindola@google.com>
8076
8077         * main.cc (main): Fix the sys time reporting.
8078         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8079         reporting.
8080
8081 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8082
8083         * options.cc (General_options::parse_version): Allow -v to exit
8084         without an error if there is nothing to link.
8085
8086 2009-12-29  Ian Lance Taylor  <iant@google.com>
8087
8088         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8089         using a version of gcc before 4.1.
8090         * configure: Rebuild.
8091
8092 2009-12-28  Chris Demetriou  <cgd@google.com>
8093
8094         * attributes.cc (Output_attributes_section_data::do_write): Use
8095         std::vector::front rather than std::vector::data.
8096
8097 2009-12-28  Ian Lance Taylor  <iant@google.com>
8098
8099         * symtab.h (class Symbol_table): Add enum Defined.
8100         * resolve.cc (Symbol_table::should_override): Add defined
8101         parameter.  Change all callers.  Test whether object is NULL
8102         before calling a method on it.
8103         (Symbol_table::report_resolve_problem): Add defined parameter.
8104         Change all callers.
8105         (Symbol_table::should_override_with_special): Likewise.
8106         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8107         parameter.  Change all callers.
8108         (Symbol_table::do_define_in_output_data): Likewise.
8109         (Symbol_table::define_in_output_segment): Likewise.
8110         (Symbol_table::do_define_in_output_segment): Likewise.
8111         (Symbol_table::define_as_constant): Likewise.
8112         (Symbol_table::do_define_as_constant): Likewise.
8113         * script.h (class Symbol_assignment): Add is_defsym parameter to
8114         constructor; change all callers.
8115         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8116         parameter.  Change all callers.  Add is_defsym_ field.
8117         (class Parser_closure): Add parsing_defsym parameter to
8118         constructor; change all callers.  Add parsing_defsym accessor
8119         function.  Add parsing_defsym_ field.
8120
8121 2009-12-28  Ian Lance Taylor  <iant@google.com>
8122
8123         * gold.cc (queue_middle_tasks): Fix formatting.
8124         * object.cc (Relobj::is_section_name_included): Likewise.
8125
8126 2009-12-23  Ian Lance Taylor  <iant@google.com>
8127
8128         * i386.cc (Target_i386::do_calls_non_split): Recognize
8129         -fsplit-stack prologue for a function with a static chain.
8130         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8131         -fsplit-stack prologue when using %r11.
8132
8133 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8134
8135         * options.cc (General_options::parse_version): Make -v continue and do
8136         the link like GNU ld does.
8137
8138 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8139
8140         * Makefile.am (CCFILES): Add timer.cc.
8141         (HFILES): Add timer.h.
8142         * configure.ac: Check for sysconf and times.
8143         * main.cc: include timer.h.
8144         (main): Use Timer instead of get_run_time.
8145         * timer.cc: New.
8146         * timer.h: New.
8147         * workqueue.cc: include timer.h.
8148         (Workqueue::find_and_run_task):
8149         Report user, sys and wall time.
8150         * Makefile.in: Regenerate.
8151         * config.in: Regenerate.
8152         * configure: Regenerate.
8153
8154 2009-12-16  Doug Kwan  <dougkwan@google.com>
8155
8156         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8157         sections.
8158         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8159         relaxed input sections.
8160         * output.cc (Output_section::find_relaxed_input_section): Change
8161         return type to Output_relaxed_input_section pointer.  Adjust code
8162         for new type of relaxed_input_section_map_.
8163         * output.h (Output_section::find_relaxed_input_section): Change
8164         return type to Output_relaxed_input_section pointer.
8165         (Output_section::Output_relaxed_input_section_by_input_section_map):
8166         New type.
8167         (Output_section::relaxed_input_section_map_): Change type to
8168         Output_section::Output_relaxed_input_section_by_input_section_map.
8169         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8170         input section.
8171
8172 2009-12-15  Ian Lance Taylor  <iant@google.com>
8173
8174         * layout.cc (Layout::create_shstrtab): Only write out after input
8175         sections if we are compressing debug sections.
8176
8177 2009-12-15  Ian Lance Taylor  <iant@google.com>
8178
8179         * archive.cc (Archive::add_symbols): Only look up a symbol without
8180         a version if there is, in fact, a version.
8181
8182 2009-12-14  Ian Lance Taylor  <iant@google.com>
8183
8184         Revert -Wshadow changes, all changes from:
8185         2009-12-11  Doug Kwan  <dougkwan@google.com>
8186         2009-12-11  Nick Clifton  <nickc@redhat.com>
8187         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8188
8189 2009-12-11  Doug Kwan  <dougkwan@google.com>
8190
8191         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8192         due to -Wshadow.
8193         * attributes.cc (Object_attribute::size): Ditto.
8194         (Attributes_section_data::size): Ditto.
8195         (Attributes_section_data::Attributes_section_data): Ditto.
8196         (Output_attributes_section_data::do_write): Ditto.
8197         * attributes.h (Object_attribute::set_type): Ditto.
8198         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8199
8200 2009-12-11  Nick Clifton  <nickc@redhat.com>
8201
8202         * archive.cc: Fix shadowed variable warnings.
8203         * arm.cc: Likewise.
8204         * compressed_output.cc: Likewise.
8205         * compressed_output.h: Likewise.
8206         * configure: Likewise.
8207         * dwarf_reader.cc: Likewise.
8208         * dynobj.cc: Likewise.
8209         * dynobj.h: Likewise.
8210         * ehframe.cc: Likewise.
8211         * ehframe.h: Likewise.
8212         * errors.cc: Likewise.
8213         * expression.cc: Likewise.
8214         * fileread.cc: Likewise.
8215         * fileread.h: Likewise.
8216         * freebsd.h: Likewise.
8217         * i386.cc: Likewise.
8218         * icf.cc: Likewise.
8219         * incremental.h: Likewise.
8220         * layout.cc: Likewise.
8221         * layout.h: Likewise.
8222         * mapfile.cc: Likewise.
8223         * merge.cc: Likewise.
8224         * merge.h: Likewise.
8225         * object.cc: Likewise.
8226         * object.h: Likewise.
8227         * options.h: Likewise.
8228         * output.cc: Likewise.
8229         * output.h: Likewise.
8230         * parameters.cc: Likewise.
8231         * plugin.cc: Likewise.
8232         * powerpc.cc: Likewise.
8233         * reduced_debug_output.cc: Likewise.
8234         * reduced_debug_output.h: Likewise.
8235         * reloc.cc: Likewise.
8236         * reloc.h: Likewise.
8237         * resolve.cc: Likewise.
8238         * script-sections.cc: Likewise.
8239         * script.cc: Likewise.
8240         * script.h: Likewise.
8241         * sparc.cc: Likewise.
8242         * symtab.cc: Likewise.
8243         * symtab.h: Likewise.
8244         * target-select.cc: Likewise.
8245         * target-select.h: Likewise.
8246         * token.h: Likewise.
8247         * workqueue.cc: Likewise.
8248         * workqueue.h: Likewise.
8249         * x86_64.cc: Likewise.
8250
8251 2009-12-10  Doug Kwan  <dougkwan@google.com>
8252
8253         * arm.cc (attributes.h): New include.
8254         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8255         (Arm_relobj::~Arm_relobj): Delete object pointed by
8256         attributes_section_data_.
8257         (Arm_relobj::attributes_section_data): New method definition.
8258         (Arm_relobj::attributes_section_data_): New data member declaration.
8259         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8260         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8261         attributes_section_data_.
8262         (Arm_dynobj::attributes_section_data): New method definition.
8263         (Arm_dynobj::attributes_section_data_): New data member declaration.
8264         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8265         initialization value of may_use_blx_ to false.
8266         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8267         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8268         object attributes to compute results instead of hard-coding.
8269         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8270         Target_arm::get_secondary_compatible_arch,
8271         Target_arm::set_secondary_compatible_arch
8272         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8273         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8274         New method declarations.
8275         (Target_arm::get_aeabi_object_attribute): New method definition.
8276         (Target_arm::attributes_section_data_): New data member declaration.
8277         (read_arm_attributes_section): New template definition.
8278         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8279         (Arm_dynobj::do_read_symbols): Ditto.
8280         (Target_arm::do_finalize_sections): Merge attributes sections from
8281         input.  Check for BLX use after attributes section merging.
8282         Fix __exidx_start and __exidx_end visibility.  Create an
8283         .ARM.attributes section if necessary.
8284         (Target_arm::get_secondary_compatible_arch,
8285         Target_arm::set_secondary_compatible_arch,
8286         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8287         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8288         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8289         New method definitions.
8290
8291 2009-12-09  Ian Lance Taylor  <iant@google.com>
8292
8293         * plugin.cc (Plugin::load): Don't cast from void* to a function
8294         pointer.
8295
8296 2009-12-09  Ian Lance Taylor  <iant@google.com>
8297
8298         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8299         information fields.
8300
8301 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8302
8303         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8304         Replace two_file_shared_1.so with two_file_shared_2.so.
8305         * testsuite/Makefile.in: Regenerated.
8306
8307 2009-12-08  Doug Kwan  <dougkwan@google.com>
8308
8309         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
8310         (HFILES): Add attributes.h and int_encoding.h.
8311         * Makefile.in: Regenerate.
8312         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
8313         function definitions to int_encoding.cc
8314         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
8315         prototypes to int_encoding.h
8316         * reduced_debug_output.cc (int_encoding.h): New include.
8317         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
8318         function definitions to int_encoding.cc
8319         (insert_into_vector, read_from_pointer): Move template definitions to
8320         int_encoding.h
8321         * attributes.cc: New file.
8322         * attributes.h: New file.
8323         * int_encoding.cc: New file.
8324         * int_encoding.h: New file.
8325
8326 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
8327
8328         PR gold/11055
8329         * incremental-dump.cc (dump_incremental_inputs): New.
8330         (main): Use dump_incremental_inputs.
8331
8332 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
8333
8334         PR gold/10893
8335         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
8336         checking elfcpp::STT_FUNC.
8337         (Target_i386::Relocate::relocate): Likewise.
8338         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
8339
8340         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
8341         symbols from shared libraries into normal FUNC symbols.
8342
8343         * symtab.h (Symbol): Add is_func and use it.
8344
8345 2009-12-05  Doug Kwan  <dougkwan@google.com>
8346
8347         * arm.cc (Target_arm::arm_info): Initialize new fields
8348         attributes_section and attributes_vendor.
8349         * i386.cc (Target_i386::i386_info): Same.
8350         * object.cc (Sized_relobj::do_layout): Skip attribute section.
8351         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
8352         fields attributes_section and attributes_vendor.
8353         * sparc.cc (Target_sparc::sparc_info): Same.
8354         * target.h (Target::attributes_section, Target::attributes_vendor,
8355         Target::is_attributes_section, Target::attribute_arg_type,
8356         Target::attributes_order): New method definitions.
8357         (Target::Target_info::attributes_section,
8358         Target::Target_info::attributes_vendor): New fields.
8359         (Target::do_attribute_arg_type, Target::do_attributes_order): New
8360         virtual method definitions.
8361         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
8362         attributes_section and attributes_vendor.
8363         * testsuite/testfile.cc (Target_test::test_target_info): Same.
8364
8365 2009-12-05  Doug Kwan  <dougkwan@google.com>
8366
8367         * arm.cc: Update comments about interworking and stub generation.
8368         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
8369         considered as non-PIC.
8370         (Arm_relocate_functions::base_abs): Fix formatting.
8371         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
8372         of function to use GOT entry address instead of offset.
8373         (Target_arm::Scan::global): Issue an error if a symbol would need a
8374         PLT does not get one because it is untyped.  Remove code to create
8375         dynamic symbols for relative branches.
8376         (Target_arm::Relocate::relocate: Use 0 instead of false since function
8377         takes unsigned integer instead of boolean.
8378
8379 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
8380
8381         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
8382         (two_file_test_LDADD): Likewise.
8383         (common_test_1_LDADD): Likewise.
8384         (exception_test_LDADD) Likewise.
8385         (weak_test_LDADD): Likewise.
8386         (many_sections_test_LDADD): Likewise.
8387         (initpri1_LDADD): Likewise.
8388         (script_test_1_LDADD): Likewise.
8389         (script_test_2_LDADD): Likewise.
8390         (justsyms_LDADD): Likewise.
8391         (binary_test_LDADD): Likewise.
8392         (large_LDADD): Likewise.
8393         * testsuite/Makefile.in: Regenerated.
8394
8395 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
8396
8397         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
8398         (Symbol_table::override_with_special): Likewise.
8399         (Symbol_table::add_from_object): Likewise.
8400
8401 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8402
8403         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8404         Don't set the data_offset twice.
8405
8406 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
8407
8408         * testsuite/Makefile.in: Regenerate.
8409
8410 2009-12-03  Doug Kwan  <dougkwan@google.com>
8411
8412         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
8413         (Target_arm::do_finalize_sections): Add parameter for symbol table
8414         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
8415         * i386.cc (Target_i386::do_finalize_sections): Add an additional
8416         parameter for symbol table pointer.
8417         * layout.cc (Layout::finalize): Call Target::finalize_sections with
8418         an additional parameter for a pointer to symbol table.
8419         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
8420         parameter for a symbol table pointer.
8421         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
8422         * target.h (Target::finalize_sections, Target::do_finalize_sections):
8423         Ditto.
8424         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
8425         parameter for a symbol table pointer.
8426
8427 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
8428
8429         * incremental.cc (Incremental_inputs_header)
8430         (Incremental_inputs_header_write, Incremental_inputs_entry)
8431         (Incremental_inputs_entry_write): Move ...
8432         * incremental.h (Incremental_inputs_header)
8433         (Incremental_inputs_header_write, Incremental_inputs_entry)
8434         (Incremental_inputs_entry_write): here.
8435
8436 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8437
8438         * incremental.cc (make_sized_incremental_binary): Set the target.
8439         Error if it is incompatible.
8440         * output.h (Output_file): Add filename method.
8441
8442 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8443
8444         * incremental.cc (Incremental_inputs_entry): Remove unused argument
8445         from the get_* methods.
8446
8447 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8448
8449         * incremental-dump.cc (main): Check that the offeset of a script is 0.
8450         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
8451         Write 0 for the data_offset of scripts.
8452
8453 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
8454
8455         * testsuite/Makefile.am: Add the incremental_test.sh test.
8456         * testsuite/incremental_test.sh: New.
8457         * testsuite/incremental_test_1.c: New.
8458         * testsuite/incremental_test_2.c: New.
8459
8460 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
8461
8462         * incremental-dump.cc (main): Fix typos.
8463
8464 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
8465
8466         PR gold/11025
8467         * incremental-dump.cc (main): Use llu to print 64 bit values.
8468
8469 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
8470             H.J. Lu  <hongjiu.lu@intel.com>
8471
8472         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
8473         $(LIBDL).
8474         (incremental_dump_LDADD): Likewise.
8475         * Makefile.in: Regenerated.
8476
8477 2009-11-25  Doug Kwan  <dougkwan@google.com>
8478
8479         Revert:
8480
8481         2009-11-25  Doug Kwan  <dougkwan@google.com>
8482
8483                 * arm.cc (Target_arm::Target_arm): Move method definition
8484                 outside of class definition.  Add code to handle
8485                 --target1-rel, --target1-abs and --target2= options.
8486                 (Target_arm::get_reloc_reloc_type): Change method to be
8487                 non-static and const.
8488                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
8489                 New data member declaration.
8490                 (Target_arm::Scan::local, Target_arm::Scan::global,
8491                 Target_arm::Relocate::relocate,
8492                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8493                 Adjust call to Target_arm::get_real_reloc_type.
8494                 (Target_arm::get_real_reloc_type): Use command line options
8495                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8496                 * options.h (--target1-rel, --target1-abs, --target2): New
8497                 ARM-only options.
8498
8499 2009-11-25  Doug Kwan  <dougkwan@google.com>
8500
8501         * arm.cc (Target_arm::Target_arm): Move method definition outside of
8502         class definition.  Add code to handle --target1-rel, --target1-abs
8503         and --target2= options.
8504         (Target_arm::get_reloc_reloc_type): Change method to be non-static
8505         and const.
8506         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
8507         member declaration.
8508         (Target_arm::Scan::local, Target_arm::Scan::global,
8509         Target_arm::Relocate::relocate,
8510         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
8511         call to Target_arm::get_real_reloc_type.
8512         (Target_arm::get_real_reloc_type): Use command line options to
8513         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
8514         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
8515         options.
8516
8517 2009-11-25  Doug Kwan  <dougkwan@google.com>
8518
8519         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
8520         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
8521         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
8522         formatting.
8523         (Arm_relocate_functions::thm_call): Replace body with a call to
8524         Arm_relocate_functions::thumb_branch_common.
8525         (Arm_relocate_functions::thm_jump24,
8526         Arm_relocate_functions::thm_xpc22): New method definitions.
8527         (Arm_relocate_functions::thumb_branch_common): New method definition.
8528         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
8529         operator.
8530         (Target_arm::Relocate::relocate): Adjust call to thm_call.
8531         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
8532
8533 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8534
8535         * Makefile.am: Build incremental-dump
8536         * Makefile.in: Regenerate.
8537         * incremental-dump.cc: New.
8538         * incremental.cc (Incremental_inputs_header_data,
8539         Incremental_inputs_entry_data): Move to incremental.h
8540         * incremental.h: (Incremental_inputs_header_data,
8541         Incremental_inputs_entry_data): Move from incremental.cc
8542
8543 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8544
8545         * incremental.cc (Incremental_inputs_header,
8546         Incremental_inputs_header_write, Incremental_inputs_entry,
8547         Incremental_inputs_entry_write): Add a typedef with the data type.
8548
8549 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
8550
8551         * incremental.cc (Incremental_inputs_header,
8552         Incremental_inputs_header_write, Incremental_inputs_entry,
8553         Incremental_inputs_entry_write): Update comment about which
8554         type has the filed descriptions.
8555
8556 2009-11-15  Doug Kwan  <dougkwan@google.com>
8557
8558         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
8559         (Arm_relocate_functions::arm_branch_common): Change method defintion
8560         in class definition to a method declaration and update list of formal
8561         parameters.
8562         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
8563         Arm_relocation_functions::jump24): Adjust call to
8564         Arm_relocate_functions::arm_branch_common.  Update list of formal
8565         parameters.
8566         (Arm_relocate_functions::xpc25): New method definition.
8567         (Arm_relocate_functions::arm_branch_common): Move method defintion
8568         out from class definition.  Use stubs for mode-switching and extending
8569         branch ranges.
8570         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
8571         specially.  Change code to enable use of stubs in ARM branches.
8572
8573 2009-11-10  Doug Kwan  <dougkwan@google.com>
8574
8575         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
8576         in method declaration.
8577         (Target_arm::relocate_stub): New method declaration.
8578         (Target_arm::default_target): Change to return a pointer instead of
8579         a const reference.
8580         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
8581         Target_arm::default_target.
8582         (Arm_Relobj::do_relocate_sections): Remove options paramater in
8583         method definition.
8584         (Target_arm::relocate_section): Adjust view.
8585         (Target_arm::relocate_stub): New method definition.
8586
8587 2009-11-10  Doug Kwan  <dougkwan@google.com>
8588
8589         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
8590         a format warning.
8591         * incremental.cc (open_incremental_binary): Initialized local
8592         variables to avoid warnings.
8593         * object.cc (make_elf_object): Ditto.
8594         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
8595         a format warning.
8596
8597 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
8598
8599         PR gold/10930
8600         * testsuite/plugin_test.c: Include "config.h".
8601
8602 2009-11-09  Doug Kwan  <dougkwan@google.com>
8603
8604         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
8605         (arm_symbol_value): Remove.
8606         (Arm_relocate_functions::arm_branch_common,
8607         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
8608         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
8609         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
8610         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
8611         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
8612         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
8613         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
8614         Arm_relocate_functions::thm_mobw_abs_nc,
8615         Arm_relocate_functions::thm_mov_abs,
8616         Arm_relocate_functions::movw_prel_nc,
8617         Arm_relocate_functions::thm_movt_abs,
8618         Arm_relocate_functions::movt_prel,
8619         Arm_relocate_functions::thm_movw_prel_nc,
8620         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
8621         (Target_arm::Relocate::relocate): Only decompose address into two
8622         parts if relocation type uses the thumb-bit and pass the actual
8623         bit instead of a flag indicating that the thumb-bit is used.  Adjust
8624         calls to methods in Arm_relocate_functions for this change.
8625
8626 2009-11-08  Ian Lance Taylor  <iant@google.com>
8627
8628         PR 10925
8629         * reloc.cc: Instantiate
8630         Sized_relobj::initialize_input_to_output_maps and
8631         Sized_relobj:free_input_to_output_maps.
8632
8633 2009-11-06  Ian Lance Taylor  <iant@google.com>
8634
8635         PR 10876
8636         * defstd.cc (in_segment): Set only_if_ref true for "end".
8637
8638 2009-11-06  Doug Kwan  <dougkwan@google.com>
8639
8640         * arm.cc (class Reloc_stub): Correct a comment.
8641         (Target_arm::Target_arm): Initialize arm_input_section_map_.
8642         (Target_arm::scan_section_for_stubs): New method declaration.
8643         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
8644         Change methods from private to protected.
8645         (Target_arm::do_may_relax): New method definition.
8646         (Target_arm::do_relax, Target_arm::group_sections,
8647         Target_arm::scan_reloc_for_stub,
8648         Target_arm::scan_reloc_section_for_stubs): New method declarations.
8649         (Target_arm::arm_input_section_map_): New data member declaration.
8650         (Target_arm::scan_reloc_for_stub,
8651         Target_arm::scan_reloc_section_for_stubs,
8652         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
8653         Target_arm::do_relax): New method definitions.
8654
8655 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
8656
8657         * configure.ac: Check for (struct stat)::st_mtim
8658         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
8659         * config.in: Regenerate.
8660         * configure: Regenerate.
8661
8662 2009-11-05  Ian Lance Taylor  <iant@google.com>
8663
8664         PR 10910
8665         * output.cc (Output_segment::add_output_section): Add missing
8666         return statement.
8667
8668 2009-11-04  Ian Lance Taylor  <iant@google.com>
8669
8670         PR 10880
8671         * object.h (class Object): Add is_needed and set_is_needed
8672         methods.  Add is_needed_ field.  Make bool fields into bitfields.
8673         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
8674         defined in a dynamic object and referenced by a regular object,
8675         set is_needed for the dynamic object.
8676         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
8677         if the file is marked with as_needed and it is not needed.
8678
8679 2009-11-04  Ian Lance Taylor  <iant@google.com>
8680
8681         PR 10887
8682         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
8683         tags if data is discarded by linker script.
8684         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8685         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8686         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8687         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8688
8689 2009-11-04  Ian Lance Taylor  <iant@google.com>
8690
8691         * layout.cc (Layout::get_output_section): Add is_interp and
8692         is_dynamic_linker_section parameters.  Change all callers.
8693         (Layout::choose_output_section): Likewise.
8694         (Layout::make_output_section): Likewise.
8695         (Layout::add_output_section_data): Add is_dynamic_linker_section
8696         parameter.  Change all callers.
8697         * layout.h (class Layout): Update declarations.
8698         * output.h (class Output_section): Add is_interp, set_is_interp,
8699         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
8700         Add is_interp_, is_dynamic_linker_section_ fields.  Change
8701         generate_code_fills_at_write_ to a bitfield.
8702         * output.cc (Output_section::Output_sections): Initialize new
8703         fields.
8704         (Output_segment::add_output_section): Add do_sort parameter.
8705         Change all callers.
8706
8707 2009-11-03  Ian Lance Taylor  <iant@google.com>
8708
8709         PR 10860
8710         * options.h (class General_options): Add --warn-common.
8711         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
8712         merging two common symbols.
8713         (Symbol_table::should_override): Handle --warn-common when merging
8714         a common symbol with a defined symbol.  Use report_resolve_problem
8715         for multiple definitions.
8716         (Symbol_table::report_resolve_problem): New function.
8717         * symtab.h (class Symbol_table): Declare report_resolve_problem.
8718
8719 2009-11-03  Doug Kwan  <dougkwan@google.com>
8720
8721         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
8722         stub_factory_.
8723         (Target_arm::stub_factory): New method definition.
8724         (Target_arm::new_arm_input_section,
8725         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
8726         Target_arm::reloc_uses_thumb_bit): New method declarations.
8727         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
8728         New type definitions.
8729         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
8730         member declarations.
8731         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
8732         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
8733         New method definitions.
8734
8735 2009-11-03  Ian Lance Taylor  <iant@google.com>
8736
8737         * options.h (class General_options): Add --warn_constructors.
8738
8739 2009-11-03  Ian Lance Taylor  <iant@google.com>
8740
8741         PR 10893
8742         * defstd.cc (in_section): Add entries for __rel_iplt_start,
8743         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
8744
8745 2009-11-03  Ian Lance Taylor  <iant@google.com>
8746
8747         PR 10895
8748         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
8749         --msgid-bugs-address.
8750         (install-pdf): New target.
8751         (install-data_yes): Look up one directory to find mkinstalldirs.
8752
8753 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
8754
8755         * po/Make-in (.po.gmo): Don't generate .gmo files in source
8756         tree.
8757
8758 2009-10-30  Doug Kwan  <dougkwan@google.com>
8759
8760         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
8761
8762 2009-10-30  Doug Kwan  <dougkwan@google.com>
8763
8764         * arm.cc (Stub_addend_reader): New struct template definition
8765         and partial specializations.
8766         (Stub_addend_reader::operator()): New method definition for a
8767         partially specialized template.
8768
8769 2009-10-30  Doug Kwan  <dougkwan@google.com>
8770
8771         * arm.cc (Arm_relobj::processor_specific_flags): New method
8772         definition.
8773         (Arm_relobj::do_read_symbols): New method declaration.
8774         (Arm_relobj::processor_specific_flags_): New data member declaration.
8775         (Arm_dynobj): New class definition.
8776         (Target_arm::do_finalize_sections): Add input_objects parameter.
8777         (Target_arm::do_adjust_elf_header): New method declaration.
8778         (Target_arm::are_eabi_versions_compatible,
8779         (Target_arm::merge_processor_specific_flags): New method declaration.
8780         (Target_arm::do_make_elf_object): New overloaded method definitions
8781         and declaration.
8782         (Arm_relobj::do_read_symbols): New method definition.
8783         (Arm_dynobj::do_read_symbols): Ditto.
8784         (Target_arm::do_finalize_sections): Add input_objects parameters.
8785         Merge processor-specific flags from all input objects.
8786         (Target_arm::are_eabi_versions_compatible,
8787         Target_arm::merge_processor_specific_flags,
8788         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
8789         New method definitions.
8790         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
8791         Input_objects pointer type parameter.
8792         * layout.cc (Layout::finalize): Pass input objects to target's.
8793         finalize_sections function.
8794         * output.cc (Output_file_header::do_sized_write): Set ELF file
8795         header's processor-specific flags.
8796         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
8797         Input_objects pointer type parameter.
8798         * sparc.cc (Target_sparc::do_finalize_sections): Same.
8799         * target.h (Input_objects): New forward class declaration.
8800         (Target::processor_specific_flags,
8801         Target::are_processor_specific_flags_sect): New method definitions.
8802         (Target::finalize_sections): Add input_objects parameter.
8803         (Target::Target): Initialize processor_specific_flags_ and
8804         are_processor_specific_flags_set_.
8805         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
8806         parameter.
8807         (Target::set_processor_specific_flags): New method definition.
8808         (Target::processor_specific_flags_,
8809         Target::are_processor_specific_flags_set_): New data member
8810         declarations.
8811         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
8812         Input_objects pointer type parameter.
8813
8814 2009-10-30  Doug Kwan  <dougkwan@google.com>
8815
8816         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
8817
8818 2009-10-28  Ian Lance Taylor  <iant@google.com>
8819
8820         * object.h (class Relobj): Drop options parameter from
8821         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
8822         do_scan_relocs, do_relocate.  Change all callers.
8823         (class Sized_relobj): Drop options parameters from
8824         do_gc_process_relocs, do_scan_relocs, do_relocate,
8825         do_relocate_sections, relocate_sections, emit_relocs_scan,
8826         emit_relocs_scan_reltype.  Change all callers.
8827         (struct Relocate_info): Remove options field and all references to
8828         it.
8829         * reloc.h (class Read_relocs): Remove options constructor
8830         parameter and options_ field.  Change all callers.
8831         (class Gc_process_relocs, class Scan_relocs): Likewise.
8832         (class Relocate_task): Likewise.
8833         * target-reloc.h (scan_relocs): Remove options parameter.  Change
8834         all callers.
8835         (scan_relocatable_relocs): Likewise.
8836         * target.h (class Sized_target): Remove options parameter from
8837         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
8838         all callers.
8839         * gc.h (gc_process_relocs): Remove options parameter.  Change all
8840         callers.
8841         * arm.cc: Update functions to remove options parameters.
8842         * i386.cc: Likewise.
8843         * powerpc.cc: Likewise.
8844         * sparc.cc: Likewise.
8845         * x86_64.cc: Likewise.
8846         * testsuite/testfile.cc: Likewise.
8847
8848 2009-10-28  Doug Kwan  <dougkwan@google.com>
8849
8850         * arm.cc (Arm_relobj): New class definition.
8851         (Arm_relobj::scan_sections_for_stubs,
8852         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
8853         New method definitions.
8854
8855 2009-10-28  Cary Coutant  <ccoutant@google.com>
8856
8857         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
8858         (Plugin::cleanup_done_): New member.
8859         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
8860         (Plugin_manager::cleanup_done_): Remove.
8861         (Plugin_manager::add_input_file): Edit error message.
8862         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
8863         (Plugin_manager::cleanup): Remove use of cleanup_done_.
8864
8865 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
8866
8867         * fileread.cc: (File_read::View::~View): Use the new
8868         data_ownership_ filed.
8869         (File_read::~File_read): Dispose the new whole_file_view_.
8870         (File_read::open): Mmap the whole file if needed.
8871         (File_read::open): Use whole_file_view_ instead of contents_.
8872         (File_read::find_view): Use whole_file_view_ if applicable.
8873         (File_read::do_read): Use whole_file_view_ instead of contents_.
8874         (File_read::make_view): Use whole_file_view_ instead of contents_,
8875         update File_read::View::View call.
8876         (File_read::find_or_make_view): Update File_read::View::View
8877         call.
8878         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
8879         remove contents_
8880         (File_read::View::Data_ownership): New enum.
8881         (File_read::View::View): Replace bool mapped_ with Data_ownership
8882         argument.
8883         (File_read::View::mapped_): Remove (replaced by data_ownership_).
8884         (File_read::View::data_ownership_): New field.
8885         (File_read::contents_): Remove (replaced by whole_file_view_).
8886         (File_read::whole_file_view_): New field.
8887         * options.h (class General_options): Add --keep-files-mapped.
8888
8889 2009-10-27  Cary Coutant  <ccoutant@google.com>
8890
8891         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
8892         * testsuite/Makefile.am (plugin_test_5): New test case.
8893         * testsuite/Makefile.in: Regenerate.
8894
8895 2009-10-25  Doug Kwan  <dougkwan@google.com>
8896
8897         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
8898         from private to protected to allow access by child class.
8899         (Sized_relobj::do_relocate_sections): New method declaration.
8900         (Sized_relobj::relocate_sections): Virtualize.
8901         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
8902         Sized_relobj::relocate_sections.  Instantiate template explicitly
8903         for different target sizes and endianity.
8904
8905 2009-10-24  Doug Kwan  <dougkwan@google.com>
8906
8907         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
8908         (Arm_input_section::as_arm_input_section): New method.
8909         (Arm_output_section): New class definition.
8910         (Arm_output_section::create_stub_group,
8911         Arm_output_section::group_sections): New method definitions.
8912
8913 2009-10-22  Doug Kwan  <dougkwan@google.com>
8914
8915         * arm.cc (Arm_input_section): New class definition.
8916         (Arm_input_section::init, Arm_input_section:do_write,
8917         Arm_input_section::set_final_data_size,
8918         Arm_input_section::do_reset_address_and_file_offset): New method
8919         definitions.
8920
8921 2009-10-21  Doug Kwan  <dougkwan@google.com>
8922
8923         * arm.cc (Stub_table, Arm_input_section): New forward class
8924         declarations.
8925         (Stub_table): New class defintion.
8926         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
8927         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
8928         New method definition.
8929
8930 2009-10-21  Doug Kwan  <dougkwan@google.com>
8931
8932         * arm.cc: Update copyright comments.
8933         (Target_arm): New forward class template declaration.
8934         (Arm_address): New type.
8935         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
8936         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
8937         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
8938         constants.
8939         (Insn_template): Same.
8940         (DEF_STUBS): New macro.
8941         (Stub_type): New enum type.
8942         (Stub_template): New class definition.
8943         (Stub): Same.
8944         (Reloc_stub): Same.
8945         (Stub_factory): Same.
8946         (Target_arm::Target_arm): Initialize may_use_blx_ and
8947         should_force_pic_veneer_.
8948         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
8949         Target_arm::should_force_pic_veneer,
8950         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
8951         Target_arm::using_thumb_only, Target_arm:;default_target): New
8952         method defintions.
8953         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
8954         New data member declarations.
8955         (Insn_template::size, Insn_template::alignment): New method defintions.
8956         (Stub_template::Stub_template): New method definition.
8957         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
8958         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
8959         (Stub_factory::Stub_factory): New method definition.
8960         * gold.h (string_hash): New template.
8961         * output.h (Input_section_specifier::hash_value): Use
8962         gold::string_hash.
8963         (Input_section_specifier::string_hash): Remove.
8964         * stringpool.cc (Stringpool_template::string_hash): Use
8965         gold::string_hash.
8966
8967 2009-10-20  Doug Kwan  <dougkwan@google.com>
8968
8969         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
8970         symbols of relaxed input sections.
8971         * output.h (Output_section::find_relaxed_input_section): Make
8972         method public.
8973
8974 2009-10-16  Doug Kwan  <dougkwan@google.com>
8975
8976         * dynobj.cc (Versions::Versions): Initialize version_script_.
8977         Only insert base version symbol definition for a shared object
8978         if version script defines any version versions.
8979         (Versions::define_base_version): New method definition.
8980         (Versions::add_def): Check that base version is not needed.
8981         (Versions::add_need): Define base version lazily.
8982         * dynobj.h (Versions::define_base_version): New method declaration.
8983         (Versions::needs_base_version_): New data member declaration.
8984         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
8985         (check_DATA): Add no_version_test.stdout.
8986         (libno_version_test.so, no_version_test.o no_version_test.stdout):
8987         New make rules.
8988         * testsuite/Makefile.in: Regenerate.
8989         * testsuite/no_version_test.c: New file.
8990         * testsuite/no_version_test.sh: Ditto.
8991
8992 2009-10-16  Doug Kwan  <dougkwan@google.com>
8993
8994         * expression.cc (class Segment_start_expression): New class definition.
8995         (Segment_start_expression::value): New method definition.
8996         (script_exp_function_segment_start): Return a new
8997         Segment_start_expression.
8998         * gold/script-c.h (script_saw_segment_start_expression): New function
8999         prototype.
9000         * script-sections.cc (Script_sections::Script_sections): Initialize
9001         SAW_SEGMENT_START_EXPRESSION_ to false.
9002         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9003         and -Tbbs options to specify section addresses if given in
9004         command line and no SEGMENT_START expression is seen in a script.
9005         * script-sections.h (Script_sections::saw_segment_start_expression,
9006         Script_sections::set_saw_segment_start_expression): New method
9007         definition.
9008         (Script_sections::saw_segment_start_expression_): New data member
9009         declaration.
9010         * script.cc (script_saw_segment_start_expression): New function.
9011         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9012         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9013         script_test_7.sh and script_test_8.sh.
9014         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9015         script_test_8.stdout.
9016         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9017         (script_test_6, script_test_6.stdout, script_test_7,
9018         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9019         * Makefile.in: Regenerate.
9020         * testsuite/script_test_6.sh: New file.
9021         * testsuite/script_test_6.t: Same.
9022         * testsuite/script_test_7.sh: Same.
9023         * testsuite/script_test_7.t: Same.
9024         * testsuite/script_test_8.sh: Same.
9025
9026 2009-10-16  Doug Kwan  <dougkwan@google.com>
9027
9028         * output.cc (Output_segment::set_section_list_address): Cast
9029         expressions to unsigned long long type to avoid format warnings.
9030
9031 2009-10-15  Ian Lance Taylor  <iant@google.com>
9032
9033         * script.cc (Script_options::add_symbol_assignment): Always add a
9034         dot assignment to script_sections_.
9035         * script-sections.cc (Script_sections::add_dot_assignment):
9036         Initialize if necessary.
9037
9038         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9039         program headers with no load segment if there is a linker script.
9040
9041         * layout.cc (Layout::set_segment_offsets): Align the file offset
9042         to the segment aligment for -N or -n with no load segment.
9043         * output.cc (Output_segment::add_output_section): Don't crash if
9044         the first section is a TLS section.
9045         (Output_segment::set_section_list_addresses): Print an error
9046         message if the address moves backward in a linker script.
9047         * script-sections.cc
9048         (Output_section_element_input::set_section_addresses): Don't
9049         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9050         (Orphan_output_section::set_section_addresses): Likewise.
9051
9052 2009-10-15  Doug Kwan  <dougkwan@google.com>
9053
9054         * layout.cc (Layout::finish_dynamic_section): Generate tags
9055         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9056         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9057         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9058
9059 2009-10-14  Ian Lance Taylor  <iant@google.com>
9060
9061         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9062         fields.
9063         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9064         data_shdr fields of relinfo.
9065         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9066         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9067         R_386_TLS_LDO_32, adjust based on section flags.
9068         (Target_i386::Relocate::fix_up_ldo): Remove.
9069
9070 2009-10-13  Ian Lance Taylor  <iant@google.com>
9071
9072         Add support for -pie.
9073         * options.h (class General_options): Add -pie and
9074         --pic-executable.
9075         (General_options::output_is_position_independent): Test -pie.
9076         (General_options::output_is_executable): Return true if not shared
9077         and not relocatable.
9078         (General_options::output_is_pie): Remove.
9079         * options.cc (General_options::finalize): Reject incompatible uses
9080         of -pie.
9081         * gold.cc (queue_middle_tasks): A -pie link is not static.
9082         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9083         * symtab.cc (Symbol::final_value_is_known): Return false if
9084         output_is_position_independent.
9085         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9086         output_is_position_independent.
9087         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9088         output_is_position_independent.
9089         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9090         output_is_position_independent.
9091         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9092         two_file_pie_test.
9093         (basic_pie_test.o, basic_pie_test): New targets.
9094         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9095         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9096         (two_file_pie_test): New target.
9097         * testsuite/Makefile.in: Rebuild.
9098         * README: Remove note saying that -pie is not supported.
9099
9100 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9101
9102         * options.h (class General_options): Add -init and -fini.
9103         * layout.cc (Layout::finish_dynamic_section): Emit
9104         given init and fini functions.
9105
9106 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9107
9108         * gc.h (gc_process_relocs): Check if icf is enabled using new
9109         function.
9110         * gold.cc (queue_initial_tasks): Likewise.
9111         (queue_middle_tasks): Likewise.
9112         * object.cc (do_layout): Likewise.
9113         * symtab.cc (is_section_folded): Likewise.
9114         * main.cc (main): Likewise.
9115         * reloc.cc (Read_relocs::run): Likewise.
9116         (Sized_relobj::do_scan_relocs): Likewise.
9117         * icf.cc (is_function_ctor_or_dtor): New function.
9118         (Icf::find_identical_sections): Check if function is ctor or dtor when
9119         safe icf is chosen.
9120         * options.h (General_options::icf): Change option to be an enum.
9121         (Icf_status): New enum.
9122         (icf_enabled): New method.
9123         (icf_safe_folding): New method.
9124         (set_icf_status): New method.
9125         (icf_status_): New variable.
9126         * (options.cc) (General_options::finalize): Set icf_status_.
9127         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9128         icf_test and icf_keep_unique_test to use the --icf enum flag.
9129         * testsuite/icf_safe_test.sh: New file.
9130         * testsuite/icf_safe_test.cc: New file.
9131
9132 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9133
9134         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9135         includes to gc.h and icf.h.
9136         * arm.cc: Include gc.h.
9137         * gold.cc: Likewise.
9138         * i386.cc: Likewise.
9139         * powerpc.cc: Likewise.
9140         * sparc.cc: Likewise.
9141         * x86_64.cc: Likewise.
9142         * gc.h: Include icf.h.
9143
9144 2009-10-11  Ian Lance Taylor  <iant@google.com>
9145
9146         * plugin.cc: Include "gold.h" before other header files.
9147
9148 2009-10-10  Chris Demetriou  <cgd@google.com>
9149
9150         * options.h (Input_file_argument::Input_file_type): New enum.
9151         (Input_file_argument::is_lib_): Replace with...
9152         (Input_file_argument::type_): New member.
9153         (Input_file_argument::Input_file_argument): Take Input_file_type
9154         'type' rather than boolean 'is_lib' as second argument.
9155         (Input_file_argument::is_lib): Use type_.
9156         (Input_file_argument::is_searched_file): New function.
9157         (Input_file_argument::may_need_search): Handle is_searched_file.
9158         * options.cc (General_options::parse_library): Support -l:filename.
9159         (General_options::parse_just_symbols): Update for Input_file_argument
9160         changes.
9161         (Command_line::process): Likewise.
9162         * archive.cc (Archive::get_file_and_offset): Likewise.
9163         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9164         * script.cc (read_script_file, script_add_file): Likewise.
9165         * fileread.cc (Input_file::Input_file): Likewise.
9166         (Input_file::will_search_for): Handle is_searched_file.
9167         (Input_file::open): Likewise.
9168         * readsyms.cc (Read_symbols::get_name): Likewise.
9169         * testsuite/Makefile.am (searched_file_test): New test.
9170         * testsuite/Makefile.in: Regenerate.
9171         * testsuite/searched_file_test.cc: New file.
9172         * testsuite/searched_file_test_lib.cc: New file.
9173
9174 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9175             Ian Lance Taylor  <iant@google.com>
9176
9177         * descriptor.cc: Include <cstdio> and "binary-io.h".
9178         (Descriptors::open): Open the files in binary mode always.
9179         * script.cc (Lex::get_token): Treat \r as whitespace.
9180
9181 2009-10-09  Ian Lance Taylor  <iant@google.com>
9182
9183         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9184
9185 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9186             Ian Lance Taylor  <iant@google.com>
9187
9188         * configure.ac: Check for readv function also.
9189         * fileread.cc (readv): Define if not HAVE_READV.
9190         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9191         does not exist.
9192         * config.in: Regenerate.
9193         * configure: Regenerate.
9194
9195 2009-10-09  Doug Kwan  <dougkwan@google.com>
9196
9197         * layout.cc (Layout::make_output_section): Call target hook to make
9198         ordinary output section.
9199         (Layout::finalize): Adjust parameter list of call the
9200         Target::may_relax().
9201         * layout.h (class Layout::section_list): New method.
9202         * merge.h (Output_merge_base::entsize): Change visibility to public.
9203         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9204         New methods.
9205         (Output_merge_string::do_is_string): New method.
9206         * object.cc (Sized_relobj::do_setup): renamed from
9207         Sized_relobj::set_up.
9208         * object.h (Sized_relobj::adjust_shndx,
9209         Sized_relobj::initializ_input_to_output_maps,
9210         Sized_relobj::free_input_to_output_maps): Change visibilities to
9211         protected.
9212         (Sized_relobj::setup): Virtualize.
9213         (Sized_relobj::do_setup): New method declaration.
9214         (Sized_relobj::invalidate_section_offset,
9215         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9216         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9217         * options.cc (parse_int): New function.
9218         * options.h (parse_int): New declaration.
9219         (DEFINE_int): New macro.
9220         (stub_group_size): New option.
9221         * output.cc (Output_section::Output_section): Initialize memebers
9222         merge_section_map_, merge_section_by_properties_map_,
9223         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9224         (Output_section::add_input_section): Handled deferred code-fill
9225         generation and remove an old comment.
9226         (Output_section::add_relaxed_input_section): New method definition.
9227         (Output_section::add_merge_input_section): Use merge section by
9228         properties map to speed to search.  Update merge section maps
9229         as appropriate.
9230         (Output_section::build_relaxation_map): New method definition.
9231         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9232         Same.
9233         (Output_section::relax_input_section): Renamed to
9234         Output_section::convert_input_sections_to_relaxed_sections and change
9235         interface to take a vector of pointers to relaxed sections.
9236         (Output_section::find_merge_section,
9237         Output_section::find_relaxed_input_section): New method definitions.
9238         (Output_section::is_input_address_mapped,
9239         Output_section::output_offset, Output_section::output_address):
9240         Use output section data maps to speed up searching.
9241         (Output_section::find_starting_output_address): Add comments.
9242         (Output_section::do_write,
9243         Output_section::write_to_postprocessing_buffer): Do code-fill
9244         generation as appropriate.
9245         (Output_section::get_input_sections): Invalidate relaxed input section
9246         map.
9247         (Output_section::restore_states): Adjust type of checkpoint .
9248         Invalidate relaxed input section map.
9249         * output.h (Output_merge_base): New class declaration.
9250         (Input_section_specifier): New class defintion.
9251         (class Output_relaxed_input_section) Change base class to
9252         Output_section_data_build.
9253         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9254         base class initializer.
9255         (Output_section::add_relaxed_input_section): New method declaration.
9256         (Output_section::Input_section): Change visibility to protected.
9257         (Output_section::Input_section::relobj,
9258         Output_section::Input_section::shndx): Handle relaxed input sections.
9259         Output_section::input_sections) Change visibility to protected.  Also
9260         define overload to return a non-const pointer.
9261         (Output_section::Merge_section_properties): New class defintion.
9262         (Output_section::Merge_section_by_properties_map,
9263         Output_section::Output_section_data_by_input_section_map,
9264         Output_section::Relaxation_map): New types.
9265         (Output_section::relax_input_section): Rename method to
9266         Output_section::convert_input_sections_to_relaxed_sections and change
9267         interface to take a vector of relaxed section pointers.
9268         (Output_section::find_merge_section,
9269         Output_section::find_relaxed_input_section,
9270         Output_section::build_relaxation_map,
9271         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9272         New method declarations.
9273         (Output_section::merge_section_map_
9274         Output_section::merge_section_by_properties_map_,
9275         Output_section::relaxed_input_section_map_,
9276         Output_section::is_relaxed_input_section_map_valid_,
9277         Output_section::generate_code_fills_at_write_): New data members.
9278         * script-sections.cc
9279         (Output_section_element_input::set_section_addresses): Call
9280         current_data_size and addralign methods of relaxed input sections.
9281         (Orphan_output_section::set_section_addresses): Call current_data_size
9282         and addralign methods of relaxed input sections.
9283         * symtab.cc (Symbol_table::compute_final_value): Extract template
9284         from the body of Symbol_table::sized_finalize_symbol.
9285         (Symbol_table::sized_finalized_symbol): Call
9286         Symbol_table::compute_final_value.
9287         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9288         (Symbol_table::compute_final_value): New templated method declaration.
9289         * target.cc (Target::do_make_output_section): New method defintion.
9290         * target.h (Target::make_output_section): New method declaration.
9291         (Target::relax): Add more parameters for input objects, symbol table
9292         and layout.  Adjust call to do_relax.
9293         (Target::do_make_output_section): New method declaration.
9294         (Target::do_relax): Add parameters for input objects, symbol table
9295         and layout.
9296
9297 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9298
9299         * pread.c: Include stdio.h.
9300
9301 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9302
9303         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9304         defined.
9305
9306 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9307
9308         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
9309         Change read_shndx type to unsigned int.
9310         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9311         int.
9312         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9313         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
9314         Change read_shndx type to unsigned int.
9315         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
9316         int.
9317         (Sized_dwarf_line_info::read_line_mappings): Likewise.
9318         * layout.cc (Layout::create_symtab_sections): Cast the result of
9319         local_symcount * symsize to off_t in the gold_assert.
9320
9321 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9322
9323         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
9324         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
9325         R_ARM_BASE_ABS.
9326         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
9327         (Arm_relocate_functions::thm_abs5): New function.
9328         (Arm_relocate_functions::abs12): New function.
9329         (Arm_relocate_functions::abs16): New function.
9330         (Arm_relocate_functions::base_abs): New function.
9331         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
9332         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
9333         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
9334         R_ARM_BASE_ABS.
9335         (Scan::global): Likewise.
9336         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
9337         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
9338         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
9339         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
9340         R_ARM_BASE_ABS.
9341
9342 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9343
9344         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
9345         (Arm_relocate_functions::movt_prel): New function.
9346         (Arm_relocate_functions::thm_movw_prel_nc): New function.
9347         (Arm_relocate_functions::thm_movt_prel): New function.
9348         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
9349         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
9350         (Scan::global, Relocate::relocate): Likewise.
9351         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9352
9353 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9354
9355         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
9356         Incremental_checker.
9357         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
9358         unsigned int.
9359         (class Incremental_inputs_header): New class.
9360         (Incremental_inputs_header_writer): Edit comment.
9361         (Incremental_inputs_entry): New class.
9362         (Incremental_inputs_entry_writer): Edit comment.
9363         (Sized_incremental_binary::do_find_incremental_inputs_section):
9364         Add *strtab_shndx parameter, fill it.
9365         (Sized_incremental_binary::do_check_inputs): New method.
9366         (Incremental_checker::can_incrementally_link_output_file): Use
9367         Sized_incremental_binary::check_inputs.
9368         (Incremental_inputs::report_command_line): Save command line in
9369         command_line_.
9370         * incremental.h:
9371         (Incremental_binary::find_incremental_inputs_section): New
9372         method.
9373         (Incremental_binary::do_find_incremental_inputs_section): Add
9374         strtab_shndx parameter.
9375         (Incremental_binary::do_check_inputs): New pure virtual method.
9376         (Sized_incremental_binary::do_check_inputs): Declare.
9377         (Incremental_checker::Incremental_checker): Add incremental_inputs
9378         parameter, use it to initialize incremental_inputs_.
9379         (Incremental_checker::incremental_inputs_): New field.
9380         (Incremental_checker::command_line): New method.
9381         (Incremental_checker::inputs): New method.
9382         (Incremental_checker::command_line_): New field.
9383
9384 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
9385
9386         * incremental.cc: Include <cstdarg> and "target-select.h".
9387         (vexplain_no_incremental): New function.
9388         (explain_no_incremental): New function.
9389         (Incremental_binary::error): New method.
9390         (Sized_incremental_binary::do_find_incremental_inputs_section): New
9391         method.
9392         (make_sized_incremental_binary): New function.
9393         (open_incremental_binary): New function.
9394         (can_incrementally_link_file): Add checks if output is ELF and has
9395         inputs section.
9396         * incremental.h: Include "elfcpp_file.h" and "output.h".
9397         (Incremental_binary): New class.
9398         (Sized_incremental_binary): New class.
9399         (open_incremental_binary): Declare.
9400         * object.cc (is_elf_object): Use
9401         elfcpp::Elf_recognizer::is_elf_file.
9402         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
9403         * output.h (Output_file::filesize): New method.
9404
9405 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9406
9407         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
9408         New function.
9409         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
9410         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
9411         function.
9412         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
9413         function.
9414         (Arm_relocate_functions::movw_abs_nc): New function.
9415         (Arm_relocate_functions::movt_abs): New function.
9416         (Arm_relocate_functions::thm_movw_abs_nc): New function.
9417         (Arm_relocate_functions::thm_movt_abs): New function.
9418         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
9419         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
9420         (Scan::global): Likewise.
9421         (Relocate::relocate): Likewise.
9422         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9423
9424 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9425
9426         * arm.cc (Arm_relocate_functions::got_prel) New function.
9427         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
9428         (Relocate::relocate): Likewise.
9429         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
9430
9431 2009-10-06  Ian Lance Taylor  <iant@google.com>
9432
9433         * options.h (class General_options): Define
9434         split_stack_adjust_size parameter.
9435         * object.h (class Object): Add uses_split_stack_ and
9436         has_no_split_stack_ fields.  Add uses_split_stack and
9437         has_no_split_stack accessor functions.  Declare
9438         handle_split_stack_section.
9439         (class Reloc_symbol_changes): Define.
9440         (class Sized_relobj): Define Function_offsets.  Declare
9441         split_stack_adjust, split_stack_adjust_reltype, and
9442         find_functions.
9443         * object.cc (Object::handle_split_stack_section): New function.
9444         (Sized_relobj::do_layout): Call handle_split_stack_section.
9445         * dynobj.cc (Sized_dynobj::do_layout): Call
9446         handle_split_stack_section.
9447         * reloc.cc (Sized_relobj::relocate_sections): Call
9448         split_stack_adjust for executable sections in split_stack
9449         objects.  Pass reloc_map to relocate_section.
9450         (Sized_relobj::split_stack_adjust): New function.
9451         (Sized_relobj::split_stack_adjust_reltype): New function.
9452         (Sized_relobj::find_functions): New function.
9453         * target-reloc.h: Include "object.h".
9454         (relocate_section): Add reloc_symbol_changes parameter.  Change
9455         all callers.
9456         * target.h (class Target): Add calls_non_split method.  Declare
9457         do_calls_non_split virtual method.  Declare match_view and
9458         set_view_to_nop.
9459         * target.cc: Include "elfcpp.h".
9460         (Target::do_calls_non_split): New function.
9461         (Target::match_view): New function.
9462         (Target::set_view_to_nop): New function.
9463         * gold.cc (queue_middle_tasks): Give an error if mixing
9464         split-stack and non-split-stack objects with -r.
9465         * i386.cc (Target_i386::relocate_section): Add
9466         reloc_symbol_changes parameter.
9467         (Target_i386::do_calls_non_split): New function.
9468         * x86_64.cc (Target_x86_64::relocate_section): Add
9469         reloc_symbol_changes parameter.
9470         (Target_x86_64::do_calls_non_split): New function.
9471         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
9472         parameter.
9473         * powerpc.cc (Target_powerpc::relocate_section): Add
9474         reloc_symbol_changes parameter.
9475         * sparc.cc (Target_sparc::relocate_section): Add
9476         reloc_symbol_changes parameter.
9477         * configure.ac: Call AM_CONDITIONAL for the default target.
9478         * configure: Rebuild.
9479         * testsuite/Makefile.am (TEST_AS): New variable.
9480         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
9481         (check_DATA): Add split_i386 and split_x86_64 files.
9482         (SPLIT_DEFSYMS): Define.
9483         (split_i386_[1234n].o): New targets.
9484         (split_i386_[124]): New targets.
9485         (split_i386_[1234r].stdout): New targets.
9486         (split_x86_64_[1234n].o): New targets.
9487         (split_x86_64_[124]): New targets.
9488         (split_x86_64_[1234r].stdout): New targets.
9489         (MOSTLYCLEANFILES): Add new executables.
9490         * testsuite/split_i386.sh: New file.
9491         * testsuite/split_x86_64.sh: New file.
9492         * testsuite/split_i386_1.s: New file.
9493         * testsuite/split_i386_2.s: New file.
9494         * testsuite/split_i386_3.s: New file.
9495         * testsuite/split_i386_4.s: New file.
9496         * testsuite/split_i386_n.s: New file.
9497         * testsuite/split_x86_64_1.s: New file.
9498         * testsuite/split_x86_64_2.s: New file.
9499         * testsuite/split_x86_64_3.s: New file.
9500         * testsuite/split_x86_64_4.s: New file.
9501         * testsuite/split_x86_64_n.s: New file.
9502         * testsuite/testfile.cc (Target_test): Update relocation_section
9503         function.
9504         * testsuite/Makefile.in: Rebuild.
9505
9506 2009-10-06  Ian Lance Taylor  <iant@google.com>
9507
9508         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
9509         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
9510         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
9511         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
9512         the address on ldo_addrs_.
9513         (Target_i386::Relocate::fix_up_ldo): New function.
9514
9515 2009-10-06   Rafael Espindola  <espindola@google.com>
9516
9517         * plugin.cc (add_input_library): New.
9518         (Plugin::load): Add add_input_library to tv.
9519         (Plugin_manager::add_input_file): Add the is_lib argument.
9520         (add_input_file): Update call to Plugin_manager::add_input_file.
9521         (add_input_library): New.
9522         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
9523
9524 2009-09-30  Doug Kwan  <dougkwan@google.com>
9525
9526         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
9527         symbol and call Symbol::may_need_copy_reloc to determine if
9528         a copy reloc is needed.
9529         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
9530         nocopyreloc is given in command line.
9531         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
9532         given in command line.
9533         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
9534         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
9535         of the removed Target_i386::may_need_copy_reloc.
9536         * options.h (copyreloc): New option with default value false.
9537         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9538         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
9539         instead of the removed Target_powerpc::may_need_copy_reloc.
9540         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
9541         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
9542         instead of the removed Target_sparc::may_need_copy_reloc.
9543         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
9544         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
9545         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
9546         instead of the removed Target_x86_64::may_need_copy_reloc.
9547
9548 2009-09-30  Ian Lance Taylor  <iant@google.com>
9549
9550         * object.h (class Object): Remove target_ field, and target,
9551         sized_target, and set_target methods.
9552         (Object::sized_target): Remove.
9553         (class Sized_relobj): Update declarations.  Remove sized_target.
9554         * object.cc (Sized_relobj::setup): Remove target parameter.
9555         Change all callers.
9556         (Input_objects::add_object): Don't do anything with the target.
9557         (make_elf_sized_object): Add punconfigured parameter.  Change all
9558         callers.  Set or test parameter target.
9559         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
9560         Change all callers.
9561         * parameters.cc (Parameters::set_target): Change parameter type to
9562         be non-const.
9563         (Parameters::default_target): Remove.
9564         (set_parameters_target): Change parameter type to be non-const.
9565         (parameters_force_valid_target): New function.
9566         (parameters_clear_target): New function.
9567         * parameters.h (class Parameters): Update declarations.  Remove
9568         default_target method.  Add sized_target and clear_target
9569         methods.  Change target_ to be non-const.
9570         (set_parameters_target): Update declaration.
9571         (parameters_force_valid_target): Declare.
9572         (parameters_clear_target): Declare.
9573         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
9574         as NULL if we aren't searching.
9575         (Add_symbols::run): Don't check for compatible target.
9576         * fileread.cc (Input_file::open_binary): Call
9577         parameters_force_valid_target.
9578         * gold.cc (queue_middle_tasks): Likewise.
9579         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
9580         set_target on object.
9581         * dynobj.h (class Sized_dynobj): Update declarations.
9582         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
9583         make_elf_object returns NULL.
9584         (Archive::include_member): Don't check whether object target is
9585         compatible.
9586         * output.cc (Output_section::add_input_section): Get target from
9587         parameters.
9588         (Output_section::relax_input_section): Likewise.
9589         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
9590         parameters.
9591         (Sized_relobj::do_scan_relocs): Likewise.
9592         (Sized_relobj::relocate_sections): Likewise.
9593         * resolve.cc (Symbol_table::resolve): Likewise.
9594         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
9595         parameter.  Change all callers.
9596         (Symbol_table::add_from_object): Get target from parameters.
9597         (Symbol_table::add_from_relobj): Don't check object target.
9598         (Symbol_table::add_from_dynobj): Likewise.
9599         (Symbol_table::define_special_symbol): Get target from
9600         parameters.
9601         * symtab.h (class Symbol_table): Update declaration.
9602         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
9603         parameter.  Change all callers.  Clear parameter target.
9604         (Binary_test): Test target here.
9605         * testsuite/object_unittest.cc (gold_testsuite): Remove
9606         target_test_pointer parameter.  Change all callers.
9607         (Object_test): Test target here.
9608
9609 2009-09-26  Ian Lance Taylor  <iant@google.com>
9610
9611         * testsuite/initpri1.c: Don't try to use constructor priorities if
9612         compiling with gcc before 4.3.
9613
9614 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
9615
9616         * testsuite/retain_symbols_file_test.sh (check_present): Change
9617         output file name to retain_symbols_file_test.stdout.
9618         (check_absent): Likewise.
9619
9620 2009-09-18  Craig Silverstein  <csilvers@google.com>
9621
9622         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
9623         * options.cc: Include <cerrno> and <fstream>.
9624         (General_options::finalize): Parse -retain-symbols-file tag.
9625         * options.h: New flag.
9626         (General_options): New method should_retain_symbol, new
9627         variable symbols_to_retain.
9628         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
9629         should_retain_symbol map.
9630         * testsuite/Makefile.am (retain_symbols_file_test): New test.
9631         * testsuite/Makefile.in: Regenerate.
9632         * testsuite/retain_symbols_file_test.sh: New file.
9633
9634 2009-09-18  Nick Clifton  <nickc@redhat.com>
9635
9636         * po/es.po: Updated Spanish translation.
9637
9638 2009-09-17  Doug Kwan  <dougkwan@google.com>
9639
9640         * debug.h (DEBUG_RELAXATION): New constant.
9641         (DEBUG_ALL): Add DEBUG_RELAXATION.
9642         (debug_string_to_enum): Add relaxation debug option.
9643         * layout.cc
9644         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
9645         Layout::Relaxation_debug_check::read_sections,
9646         Layout::Relaxation_debug_check::read_sections): New method definitions.
9647         (Layout::Layout): Initialize data members
9648         record_output_section_data_from_scrips_,
9649         script_output_section_data_list_ and relaxation_debug_check_.
9650         (Layout::save_segments, Layout::restore_segments,
9651         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9652         Layout::relaxation_loop_body): New method definitions.
9653         (Layout::finalize): Support relaxation.  Move section layout code to
9654         Layout::relaxation_loop_body.
9655         (Layout::set_asection_address_from_script): Move code for orphan
9656         section placement out.
9657         (Layout::place_orphan_sections_in_script): New method definition.
9658         * layout.h (Output_segment_headers, Output_file_header):
9659         New forward class declarations.
9660         (Layout::~Layout): Define.
9661         (Layout::new_output_section_data_from_script): New method definition.
9662         (Layout::place_orphan_sections_in_script): New method declaration.
9663         (Layout::Segment_states): New type declaration.
9664         (Layout::save_segments, Layout::restore_segments,
9665         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
9666         Layout::relaxation_loop_body): New method declarations.
9667         (Layout::Output_section_data_list): New type declaration.
9668         (Layout::Relaxation_debug_check): New class definition.
9669         (Layout::record_output_section_data_from_script_,
9670         Layout::script_output_section_data_list_, Layout::segment_states_,
9671         Layout::relaxation_debug_check_): New data members.
9672         * output.cc: (Output_section_headers::do_size): New method definition.
9673         (Output_section_headers::Output_section_headers): Move size
9674         computation to Output_section_headers::do_size.
9675         (Output_segment_headers::do_size): New method definition.
9676         (Output_file_header::Output_file_header): Move size computation to
9677         Output_file_header::do_size and call it.
9678         (Output_file_header::do_size): New method definition.
9679         (Output_data_group::Output_data_group): Adjust call to
9680         Output_section_data.
9681         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
9682         (Output_symtab_xindex::do_write): Add array bound check.
9683         (Output_section::Input_section::print_to_mapfile): Handle
9684         RELAXED_INPUT_SECTION_CODE.
9685         (Output_section::Output_section): Initialize data member checkpoint_.
9686         (Output_section::~Output_section): Delete checkpoint object pointed
9687         by checkpoint_.
9688         (Output_section::add_input_section): Always add an Input_section if
9689         relaxing.
9690         (Output_section::add_merge_input_section): Add assert.
9691         (Output_section::relax_input_section): New method definition.
9692         (Output_section::set_final_data_size): Set load address to zero for
9693         an unallocated section.
9694         (Output_section::do_address_and_file_offset_have_reset_values):
9695         New method definition.
9696         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
9697         Handle relaxed input section.
9698         (Output_section::sort_attached_input_sections): Checkpoint input
9699         section list lazily.
9700         (Output_section::get_input_sections): Change type of input_sections to
9701         list of Simple_input_section pointers.  Checkpoint input section list
9702         lazily.  Also handle relaxed input sections.
9703         (Output_section::add_input_section_for_script): Take a reference to
9704         a Simple_input_section object instead of Relobj pointer and section
9705         index as parameter.  Handle relaxed input sections.
9706         (Output_section::save_states, Output_section::restore_states): New
9707         method definitions.
9708         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
9709         (Output_data::is_data_size_fixed): New method definition.
9710         (Output_data::reset_addresss_and_file_offset): Do not reset data size
9711         if it is fixed.
9712         (Output_data::address_and_file_offset_have_reset_values): New method
9713         definition.
9714         (Output_data::do_address_and_file_offset_have_reset_values): New method
9715         definition.
9716         (Output_data::set_data_size): Check that data size is not fixed.
9717         (Output_data::fix_data_size): New method definition.
9718         (Output_data::is_data_size_fixed_): New data member.
9719         (Output_section_headers::set_final_data_size): New method definition.
9720         (Output_section_headers::do_size): New method declaration.
9721         (Output_segment_headers::set_final_data_size): New method definition.
9722         (Output_segment_headers::do_size): New method declaration.
9723         (Output_file_header::set_final_data_size)::New method definition.
9724         (Output_file_header::do_size)::New method declaration.
9725         (Output_section_data::Output_section_data): Add new parameter
9726         is_data_size_fixed and use it to fix data size.
9727         (Output_data_const::Output_data_const): Adjust call to base class
9728         constructor and fix data size.
9729         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
9730         base class constructor and fix data size.
9731         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
9732         base class constructor and fix data size.
9733         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
9734         class constructor and fix data size.
9735         (Output_data_group::set_final_data_size): New method definition.
9736         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
9737         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
9738         class constructor and fix data size.
9739         (Output_relaxed_input_section): New class definition.
9740         (Output_section::Simple_input_section): New class definition.
9741         (Output_section::get_input_sections): Adjust parameter list.
9742         (Output_section::add_input_section_for_script): Same.
9743         (Output_section::save_states, Output_section::restore_states,
9744         Output_section::do_address_and_file_offset_have_reset_values,
9745         (Output_section::Input_section::Input_section): Handle
9746         RELAXED_INPUT_SECTION_CODE.  Add new overload for
9747         Output_relaxed_input_section.
9748         (Output_section::Input_section::is_input_section,
9749         Output_section::Input_section::set_output_section): Handle relaxed
9750         input section.
9751         (Output_section::Input_section::is_relaxed_input_section,
9752         Output_section::Input_section::output_section_data,
9753         Output_section::Input_section::relaxed_input_section): New method
9754         definitions.
9755         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
9756         value.
9757         (Output_section::Input_section::u1_): Update comments.
9758         (Output_section::Input_section::u2_): Add new union member poris.
9759         (Output_section::Checkpoint_output_section): New classs definition.
9760         (Output_section::relax_input_section): New method declaration.
9761         (Output_section::checkpoint_): New data member.
9762         (Output_segment): Update comments.
9763         (Output_segment::Output_segment): Un-privatize copy constructor.
9764         (Output_segment::operator=): Un-privatize.
9765         * script-sections.cc (Output_section_element::Input_section_list):
9766         Change element type to Output_section::Simple_input_section.
9767         (Output_section_element_dot_assignment::set_section_addresses):
9768         Register output section data for relaxation clean up.
9769         (Output_data_exression::Output_data_expression): Adjust call to base
9770         constructor to fix data size.
9771         (Output_section_element_data::set_section_addresses): Register
9772         Output_data_expression object for relaxation clean up.
9773         (struct Input_section_info): Replace Relobj pointer and section index
9774         pair with Output_section::Simple_input_section and Convert struct to a
9775         class.
9776         (Input_section_sorter::operator()): Adjust access to
9777         Input_section_info data member to use accessors.
9778         (Output_section_element_input::set_section_addresses): Use layout
9779         parameter.  Adjust code to use Output_section::Simple_input_section
9780         and Input_secction_info classes.  Register filler for relaxation
9781         clean up.
9782         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
9783         and section index pair with Output_section::Simple_input_section
9784         class.  Adjust code accordingly.
9785         (Phdrs_element::release_segment): New method definition.
9786         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
9787         segment list.
9788         (Script_sections::release_segments): New method definition.
9789         * gold/script-sections.h (Script_sections::release_segments): New
9790         method declaration.
9791         * gold/target.h (Target::may_relax, Target::relax,
9792         Target::do_may_relax, Target::do_relax): New method definitions.
9793
9794 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9795
9796         * arm.cc (has_signed_unsigned_overflow): New function.
9797         (Arm_relocate_functions::abs8): New function.
9798         (Target_arm::Scan::local): Handle R_ARM_ABS8.
9799         (Target_arm::Scan::global): Likewise.
9800         (Target_arm::relocate::relocate): Likewise.
9801         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9802         Likewise.
9803
9804 2009-09-16  Cary Coutant  <ccoutant@google.com>
9805
9806         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
9807         * testsuite/Makefile.in: Regenerate.
9808
9809 2009-09-11  Nick Clifton  <nickc@redhat.com>
9810
9811         * po/gold.pot: Updated by the Translation project.
9812
9813 2009-09-08  Cary Coutant  <ccoutant@google.com>
9814
9815         * output.cc (Output_file::open): Add execute permission to empty file.
9816         * testsuite/Makefile.am (permission_test): New test.
9817         * testsuite/Makefile.in: Regenerate.
9818
9819 2009-09-02  Ian Lance Taylor  <iant@google.com>
9820
9821         * output.cc (Output_file::resize): Call map_no_anonymous rather
9822         than map.
9823
9824 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
9825
9826         * gold.cc: Include "incremental.h".
9827         (queue_initial_tasks): Call Incremental_checker methods.
9828         * incremental.cc: Include "output.h".
9829         (Incremental_checker::can_incrementally_link_output_file): New
9830         method.
9831         * incremental.h (Incremental_checker): New class.
9832
9833         * output.cc (Output_file::open_for_modification): New method.
9834         (Output_file::map_anonymous): Changed return type to bool.  Record
9835         map in base_ field.
9836         (Output_file::map_no_anonymous): New method, broken out of map.
9837         (Output_file::map): Use map_no_anonymous and map_anonymous.
9838         * output.h (class Output_file): Update declarations.
9839
9840 2009-08-24  Cary Coutant  <ccoutant@google.com>
9841
9842         * options.h (Command_line::Pre_options): New class.
9843         (Command_line::pre_options): New member.
9844         * options.cc (gold::options::ready_to_register): New variable.
9845         (One_option::register_option): Do nothing if not registering options.
9846         Assert if same short option registered twice.
9847         (General_options::General_options): Turn off option registration when
9848         done constructing.
9849         (Command_line::Pre_options::Pre_options): New constructor.
9850
9851 2009-08-24  Cary Coutant  <ccoutant@google.com>
9852
9853         * options.h (General_options::no_keep_memory): Remove incorrect
9854         short option.
9855
9856 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9857
9858         * Makefile.am (am__skiplex, am__skipyacc): New.
9859         * Makefile.in: Regenerate.
9860
9861 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9862
9863         * Makefile.am (AM_CPPFLAGS): Renamed from ...
9864         (INCLUDES): ... this.
9865         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
9866         (AM_CPPFLAGS): Renamed from ...
9867         (INCLUDE): ... this.
9868         * Makefile.in, testsuite/Makefile.in: Regenerate.
9869
9870         * Makefile.in: Regenerate.
9871         * aclocal.m4: Likewise.
9872         * config.in: Likewise.
9873         * configure: Likewise.
9874         * testsuite/Makefile.in: Likewise.
9875
9876         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9877         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
9878         * Makefile.in: Regenerate.
9879         * testsuite/Makefile.in: Regenerate.
9880
9881 2009-08-19  Cary Coutant  <ccoutant@google.com>
9882
9883         * resolve.cc (Symbol_table::resolve): Don't complain about defined
9884         symbols in shared libraries overridden by hidden or internal symbols
9885         in the main program.
9886
9887 2009-08-19  Chris Demetriou  <cgd@google.com>
9888
9889         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
9890         checking source file names in error messages.
9891
9892 2009-08-18  Doug Kwan  <dougkwan@google.com>
9893
9894         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
9895         an elcpp::Ehdr as parameter.  Adjust call to set_target.
9896         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
9897         an elfcpp::Ehdr as parameter.
9898         * object.cc (Object::set_target): Remove the version that looks up
9899         a target and sets it.
9900         (Sized_relobj::setup): Take a Target object instead of
9901         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
9902         (make_elf_sized_object): Find target and ask target to
9903         make an ELF object.
9904         * object.h: (Object::set_target): Remove the version that looks up
9905         a target and sets it.
9906         (Sized_relobj::setup): Take a Target object instead of
9907         an elfcpp:Ehdr as parameter.
9908         * target.cc: Include dynobj.h.
9909         (Target::do_make_elf_object_implementation): New.
9910         (Target::do_make_elf_object): New.
9911         * target.h (Target::make_elf_object): New template declaration.
9912         (Target::do_make_elf_object): New method declarations.
9913         (Target::do_make_elf_object_implementation): New template declaration.
9914
9915 2009-08-14  Ian Lance Taylor  <iant@google.com>
9916
9917         * gold.h (FUNCTION_NAME): Define.
9918         (gold_unreachable): Use FUNCTION_NAME.
9919
9920 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9921
9922         * icf.cc (Icf::find_identical_sections): Issue a warning when a
9923         symbol in the --keep-unique list is not found.
9924
9925 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
9926
9927         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
9928         been maked as --keep-unique.
9929         (Icf::unfold_section): New function.
9930         * icf.h (Icf::unfold_section): New function.
9931         * options.h (General_options::keep_unique): New option.
9932         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
9933         * testsuite/Makefile.in: Regenerate.
9934         * testsuite/icf_keep_unique_test.sh: New file.
9935         * testsuite/icf_keep_unique_test.cc: New file.
9936
9937 2009-08-12  Cary Coutant  <ccoutant@google.com>
9938
9939         PR 10471
9940         * resolve.cc (Symbol_table::resolve): Check for references from
9941         dynamic objects to hidden and internal symbols.
9942         * testsuite/Makefile.am (hidden_test.sh): New test.
9943         * testsuite/Makefile.in: Regenerate.
9944         * testsuite/hidden_test.sh: New script.
9945         * testsuite/hidden_test_1.c: New test source.
9946         * testsuite/hidden_test_main.c: New test source.
9947
9948 2009-08-11  Doug Kwan  <dougkwan@google.com>
9949
9950         * arm.cc: Update comments.
9951         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
9952         segment to locate the .ARM.exidx section if present.
9953
9954 2009-08-09  Doug Kwan  <dougkwan@google.com>
9955
9956         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
9957         patch.
9958
9959 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
9960         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
9961         compiler warnings.
9962
9963 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
9964
9965         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
9966         valid tls_segment only for non-debug-section relocations.
9967         * testsuite/Makefile.am: Add gc_tls_test.
9968         * testsuite/Makefile.in: Regenerate.
9969         * testsuite/gc_tls_test.cc: New file.
9970         * testsuite/gc_tls_test.sh: New file.
9971
9972 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
9973
9974         * icf.cc: New file.
9975         * icf.h: New file.
9976         * Makefile.am (CCFILES): Add icf.cc.
9977         (HFILES): Add icf.h
9978         * Makefile.in: Regenerate.
9979         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
9980         * gc.h (gc_process_relocs): Populate lists used by icf to contain
9981         section, symbol and addend information for the relocs.
9982         * gold.cc (queue_middle_tasks): Call identical code folding.
9983         * gold.h: Add defines for multimap.
9984         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
9985         to the call of finalize_local_symbols.
9986         * main.cc (main): Create object of class Icf.
9987         * object.cc (Sized_relobj::do_layout): Allow this function to be
9988         called twice during icf.
9989         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
9990         to sections marked as identical by icf.
9991         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
9992         when available.
9993         (Sized_relobj::do_section_entsize): New function.
9994         * object.h (Object::section_entsize): New function.
9995         (Object::do_section_entsize): New pure virtual function.
9996         (Relobj::finalize_local_symbols): Add new parameter.
9997         (Relobj::do_section_entsize): New function.
9998         * options.h (General_options::icf): New option.
9999         (General_options::icf_iterations): New option.
10000         (General_options::print_icf_sections): New option.
10001         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10002         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10003         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10004         icf.
10005         * symtab.cc (Symbol_table::is_section_folded): New function.
10006         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10007         to sections marked as identical by icf.
10008         * symtab.h (Symbol_table::set_icf): New function.
10009         (Symbol_table::icf): New function.
10010         (Symbol_table::is_section_folded): New function.
10011         (Symbol_table::icf_): New data member.
10012         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10013         * testsuite/Makefile.am: Add commands to build icf_test.
10014         * testsuite/Makefile.in: Regenerate.
10015         * testsuite/icf_test.sh: New file.
10016         * testsuite/icf_test.cc: New file.
10017
10018 2009-07-24  Chris Demetriou  <cgd@google.com>
10019
10020         * layout.cc (is_compressible_debug_section): Fix incorrect
10021         comment about compressed section names.
10022
10023 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10024
10025         PR 10419
10026         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10027
10028 2009-07-16  Ian Lance Taylor  <iant@google.com>
10029
10030         PR 10400
10031         * layout.h: #include <map>.
10032         (class Kept_section): Change from struct to class.  Add accessors
10033         and setters.  Add section size to Comdat_group mapping.  Change
10034         Comdat_group to std::map.  Add is_comdat_ field.  Add
10035         linkonce_size field in union.
10036         (class Layout): Update declaration of find_or_add_kept_section.
10037         Don't declare find_kept_object.
10038         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10039         parameter.  Add object, shndx, is_comdat, and is_group_name
10040         parameters.  Change all callers.  Adjust for new Kept_section.
10041         (Layout::find_kept_object): Remove.
10042         * object.cc (Sized_relobj::include_section_group): Update use of
10043         Kept_section.  Rename secnum to shndx.  Only record
10044         Kept_comdat_section if sections are the same size.
10045         (Sized_relobj::include_linkonce_section): Update use of
10046         Kept_section.  Only record Kept_comdat_section if sections are the
10047         same size.  Set size of linkonce section.
10048         (Sized_relobj::map_to_kept_section): Update call to
10049         get_kept_comdat_section.
10050         * object.h (class Sized_relobj): Rename fields in
10051         Kept_comdat_section to drop trailing underscores; change object
10052         field to Relobj*.  Change Kept_comdat_section_table to store
10053         struct rather than pointer.
10054         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10055         Add kept_object and kept_shndx parameters.  Change all callers.
10056         (Sized_relobj::get_kept_comdat_section): Change return type to
10057         bool.  Add kept_object and kept_shndx parameters.  Change all
10058         callers.
10059         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10060         Layout::find_or_add_kept_section.
10061
10062 2009-07-09  Ian Lance Taylor  <iant@google.com>
10063
10064         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10065         Reserve space in the hash table.
10066
10067 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10068
10069         * fileread.cc (File_read::get_mtime): New method.
10070         * fileread.h (Timespec): New structure.
10071         (File_read::get_mtime): New method.
10072         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10073         Renamed from timestamp_nsec.
10074         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10075         Elf_Xword.
10076         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10077         timestamp_nsec.
10078         (Incremental_inputs::report_archive): Save mtime; style fix.
10079         (Incremental_inputs::report_obejct): Save mtime; style fix.
10080         (Incremental_inputs::report_script): Save mtime; style fix.
10081         (Incremental_inputs::finalize_inputs): Style fix.
10082         (Incremental_inputs::finalize): Style fix.
10083         (Incremental_inputs::create_input_section_data): Store inputs
10084         mtime.
10085         * incremental.h (Incremental_inputs::report_script): Add mtime
10086         argument.
10087         (Incremental_inputs::Input_info::Input_info): Intialize only one
10088         union member.
10089         (Incremental_inputs::Input_info::archive): Move to nameless
10090         union.
10091         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10092         (Incremental_inputs::Input_info::script): Move to nameless union.
10093         (Incremental_inputs::mtime): New field.
10094         * script.cc (read_input_script): Pass file mtime to
10095         Incremental_input.
10096         * script.h (Script_info::inputs): Style fix.
10097
10098 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10099
10100         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10101         instead of 32.
10102
10103 2009-06-24  Ian Lance Taylor  <iant@google.com>
10104
10105         PR 10156
10106         * layout.cc (Layout::choose_output_section): If we find an
10107         existing section, update the flags.
10108         (Layout::create_notes): New function, broken out of
10109         Layout::finalize.
10110         (Layout::finalize): Don't create note sections.
10111         (Layout::create_note): Don't crash if linker script discards
10112         section.
10113         (Layout::create_gold_note): Likewise.
10114         (Layout::create_build_id): Likewise.  Don't set
10115         after_input_sections on the section.
10116         (Layout::create_executable_stack_info): Remove target parameter.
10117         Change caller.
10118         * layout.h (class Layout): Declare create_notes.  Update
10119         declaration of create_executable_stack_info.
10120         * gold.cc (queue_middle_tasks): Call create_notes.
10121         * output.cc (Output_section::update_flags_for_input_section): Move
10122         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10123         invalid.
10124         * output.h (Output_data::mark_address_invalid): New function.
10125         (class Output_section): Only declare, not define,
10126         update_flags_for_input_section.  Remove set_flags.
10127
10128 2009-06-24  Ian Lance Taylor  <iant@google.com>
10129
10130         * script-sections.cc (Output_section_definition::
10131         set_section_addresses): Rename shadowing local load_address to
10132         laddr.
10133
10134 2009-06-24  Ian Lance Taylor  <iant@google.com>
10135
10136         PR 10244
10137         * reloc.cc (relocate_sections): Skip empty relocation sections.
10138
10139 2009-06-23  Ian Lance Taylor  <iant@google.com>
10140
10141         PR 10156
10142         * layout.cc (Layout::create_note): Use choose_output_section
10143         rather than make_output_section.
10144
10145 2009-06-23  Ian Lance Taylor  <iant@google.com>
10146
10147         PR 10237
10148         * options.cc (General_options::parse_V): Set printed_version_.
10149         (General_options::General_options): Initialize printed_version_.
10150         * options.h (class General_options): Add printed_version_ field.
10151         * gold.cc (queue_initial_tasks): If there are no input files,
10152         don't give a fatal error if we printed the version information.
10153         (queue_middle_tasks): If using -r with a shared object, give a
10154         fatal error rather than an ordinary error.
10155
10156 2009-06-23  Ian Lance Taylor  <iant@google.com>
10157
10158         PR 10219
10159         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10160         (Layout::make_output_section): Set have_stabstr_section_ if we see
10161         a .stab*str section.
10162         (Layout::finalize): Call link_stabs_sections.
10163         (Layout::link_stabs_sections): New file.
10164         * layout.h (class Layout): Add have_stabstr_section_ field.
10165         Declare link_stabs_sections.
10166
10167 2009-06-23  Doug Kwan  <dougkwan@google.com>
10168
10169         * Makefile.am (libgold_a_LIBADD): New.
10170         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10171         * Makefile.in: Regenerate.
10172         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10173         * configure: Regenerate.
10174         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10175         * fileread.cc: Include sys/state.h
10176         * gold.h: Declare memmem and strndup if found missing.
10177         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10178
10179 2009-06-23  Ian Lance Taylor  <iant@google.com>
10180
10181         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10182         * configure: Rebuild.
10183
10184 2009-06-23  Ian Lance Taylor  <iant@google.com>
10185
10186         PR 10147
10187         * object.cc (Object::section_contents): Don't try to get a view if
10188         the section has length zero.
10189         (Object::handle_gnu_warning_section): If the section is empty, use
10190         the name of the section as the warning.
10191
10192 2009-06-23  Ian Lance Taylor  <iant@google.com>
10193
10194         PR 10133
10195         * stringpool.h (class Stringpool_template): Add optimize_ field.
10196         (Stringpool_template::set_optimize): New function.
10197         * stringpool.cc (Stringpool_template::Stringpool_template):
10198         Initialize optimize_ field.
10199         (Stringpool_template::set_string_offsets): Test local optimize
10200         fild rather than parameter.
10201         * layout.cc (Layout::Layout): Call set_optimize on the section
10202         name stringpool.
10203
10204 2009-06-22  Ian Lance Taylor  <iant@google.com>
10205
10206         PR 10030
10207         * yyscript.y: Parse TARGET.
10208         * script.cc (script_set_target): New function.
10209         * script-c.h (script_set_target): Declare.
10210         * options.cc (General_options::string_to_object_format): Rename
10211         from string_to_object_format in anonymous namespace.  Change
10212         callers.
10213         * options.h (class General_options): Declare
10214         string_to_object_format.
10215
10216 2009-06-22  Ian Lance Taylor  <iant@google.com>
10217
10218         * script-sections.cc (Script_sections::create_segments): Don't put
10219         program headers in a PT_LOAD segment if -n or -N.
10220
10221 2009-06-22  Ian Lance Taylor  <iant@google.com>
10222
10223         PR 10141
10224         * options.h (class General_options): Add -z lazy and -z now.  Sort
10225         -z options into alphabetical order.
10226         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10227
10228 2009-06-21  Ian Lance Taylor  <iant@google.com>
10229
10230         * layout.cc (Layout::make_output_section): Call
10231         Target::new_output_section.
10232         (Layout::attach_allocated_section_to_segment): Put large section
10233         sections in a separate load segment with the large segment flag
10234         set.
10235         (Layout::segment_precedes): Sort large data segments after other
10236         load segments.
10237         (align_file_offset): New static function.
10238         (Layout::set_segment_offsets): Use align_file_offset.
10239         * output.h (class Output_section): Add is_small_section_ and
10240         is_large_section_ fields.
10241         (Output_section::is_small_section): New function.
10242         (Output_section::set_is_small_section):  New function.
10243         (Output_section::is_large_section): New function.
10244         (Output_section::set_is_large_section): New function.
10245         (Output_section::is_large_data_section): New function.
10246         (class Output_segment): Add is_large_data_segment_ field.
10247         (Output_segment::is_large_data_segment): New function.
10248         (Output_segment::set_is_large_data_segment): New function.
10249         * output.cc (Output_section::Output_section): Initialize new
10250         fields.
10251         (Output_segment::Output_segment): Likewise.
10252         (Output_segment::add_output_section): Add assertion that large
10253         data sections always go in large data segments.  Force small data
10254         sections to the end of the list of data sections.  Force small BSS
10255         sections to the start of the list of BSS sections.  For large BSS
10256         sections to the end of the list of BSS sections.
10257         * symtab.h (class Symbol): Declare is_common_shndx.
10258         (Symbol::is_defined): Check Symbol::is_common_shndx.
10259         (Symbol::is_common): Likewise.
10260         (class Symbol_table): Define enum Commons_section_type.  Update
10261         declarations.  Add small_commons_ and large_commons_ fields.
10262         * symtab.cc (Symbol::is_common_shndx): New function.
10263         (Symbol_table::Symbol_table): Initialize new fields.
10264         (Symbol_table::add_from_object): Put small and large common
10265         symbols in the right list.
10266         (Symbol_table::sized_finalized_symbol): Check
10267         Symbol::is_common_shndx.
10268         (Symbol_table::sized_write_globals): Likewise.
10269         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10270         common symbol lists.  Don't call do_allocate_commons_list if the
10271         list is empty.
10272         (Symbol_table::do_allocate_commons_list): Remove is_tls
10273         parameter.  Add comons_section_type parameter.  Change all
10274         callers.  Handle small and large common symbols.
10275         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10276         Symbol::is_common_shndx.
10277         * resolve.cc (symbol_to_bits): Likewise.
10278         * target.h (Target::small_common_shndx): New function.
10279         (Target::small_common_section_flags): New function.
10280         (Target::large_common_shndx): New function.
10281         (Target::large_common_section_flags): New function.
10282         (Target::new_output_section): New function.
10283         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10284         small_common_section_flags, and large_common_section_flags
10285         fields.
10286         (Target::do_new_output_section): New virtual function.
10287         * arm.cc (Target_arm::arm_info): Initialize new fields.
10288         * i386.cc (Target_i386::i386_info): Likewise.
10289         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10290         Likewise.
10291         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10292         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10293         (Target_x86_64::do_new_output_section): New function.
10294         * configure.ac: Define conditional MCMODEL_MEDIUM.
10295         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10296         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10297         (large_LDFLAGS): Define.
10298         * testsuite/large.c: New file.
10299         * testsuite/testfile.cc (Target_test::test_target_info):
10300         Initialize new fields.
10301         * configure, testsuite/Makefile.in: Rebuild.
10302
10303 2009-06-05  Doug Kwan  <dougkwan@google.com>
10304
10305         * Makefile.am (CCFILES): Add target.cc.
10306         * Makefile.in: Regenerate.
10307         * i386.cc (class Target_i386): Define new virtual method to
10308         override do_is_local_label_name in parent.
10309         * object.cc (Sized_relobj::do_count_local_symbols): Discard
10310         local symbols if --discard-locals or -X is given.
10311         * options.h (class General_options): Declare new options
10312         '--discard-locals' and '-X' for discarding locals.
10313         * target.h (class Target): Define new methods is_local_label_name.
10314         Declare new virtual method do_is_local_label_name.
10315         * target.cc: New file.
10316         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
10317         (check_SCRIPTS): Add discard_locals_test.sh.
10318         (check_DATA): Add discard_local_tests.syms.
10319         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
10320         (discard_local_tests.syms, discard_locals_test.o): New make rules.
10321         * testsuite/Makefile.in: Regenerate.
10322         * testsuite/discard_locals_test.c: New file.
10323         * testsuite/discard_locals_test.sh: Same.
10324
10325 2009-06-05  Doug Kwan  <dougkwan@google.com>
10326
10327         * object.cc (Sized_relobj::Sized_relobj): Initialize
10328         discarded_eh_frame_shndx_ to -1U.
10329         (Sized_relobj::do_layout): Record index of a discard .eh_frame
10330         section.
10331         (Sized_relobj::do_count_local_symbols): Skip local symbols in
10332         a discarded .eh_frame section.
10333         (Sized_relobj::do_finalize_local_symbols): Ditto.
10334         * object.h (class Sized_relobj): Declare new member
10335         discarded_eh_frame_shndx_.
10336         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
10337         (local_labels_test.o, local_labels_test): New rules.
10338         * testsuite/Makefile.in: Regenerate.
10339
10340 2009-06-04  Doug Kwan  <dougkwan@google.com>
10341
10342         * layout.cc (Layout::section_name_mapping): Add mapping for
10343         special ARM sections.
10344
10345 2009-06-03  Doug Kwan  <dougkwan@google.com>
10346
10347         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
10348         (utils::has_overflow): Same.
10349
10350 2009-06-03  Ian Lance Taylor  <iant@google.com>
10351
10352         * layout.cc (Layout::section_name_mapping): New array, replacing
10353         Layout::linkonce_mapping.
10354         (Layout::section_name_mapping_count): New variable, replacing
10355         Layout::linkonce_mapping_count.
10356         (Layout::linkonce_output_name): Remove.
10357         (Layout::output_section_name): Rewrite.
10358         * layout.h (class Layout): Rename Linkonce_mapping to
10359         Section_name_mapping, linkonce_mapping to section_name_mapping,
10360         linkonce_mapping_count to section_name_mapping_count.  Don't
10361         declare linkonce_output_name.
10362
10363 2009-06-03  Doug Kwan  <dougkwan@google.com>
10364
10365         * gold/arm.cc (namespace utils): New.
10366         (Target_arm::reloc_is_non_pic): Define new method.
10367         (class Arm_relocate_functions): New.
10368         (Target_arm::Relocate::relocate): Handle relocation types used by
10369         Android.
10370
10371 2009-06-03  Ian Lance Taylor  <iant@google.com>
10372
10373         * arm.cc (Target_arm::scan::global): Use || instead of |.
10374
10375 2009-06-02  Doug Kwan  <dougkwan@google.com>
10376
10377         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
10378         issued_non_pic_error_.
10379         (class Target_arm::Scan): Declare new method check_non_pic.
10380         Define new method symbol_needs_plt_entry.
10381         Declare new data member issued_non_pic_error_.
10382         (class Target_arm::Relocate): Declare new method
10383         should_apply_static_reloc.
10384         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
10385         (Target_arm::Scan::check_non_pic): Define new method.
10386         (Target_arm::Scan::local): Handle a small subset of reloc types used
10387         by Android.
10388         (Target_arm::Scan::local): Same.
10389         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
10390
10391 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
10392
10393         * incremental.cc (Incremental_inputs::report_command_line): Filter
10394         out --incremental-* options.
10395
10396 2009-05-29  Doug Kwan  <dougkwan@google.com>
10397
10398         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
10399         template class.
10400         (class Target_arm): Update comment.
10401         (Target_arm::Target_arm): Initialize new data members GOT_,
10402         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
10403         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
10404         and Target_arm::rel_dyn_section.
10405         Declare new_enum Target_arm::Got_type.
10406         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
10407         and DYNBSS_.
10408         Update commments for member do_dynsym_value.
10409         (Target_arm::got_size, Target_arm::plt_section,
10410         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
10411         new methods inside class defintion.
10412         (Target_arm::got_section): Define new method.
10413         (Target_arm::rel_dyn_section): Same.
10414         (Output_data_plt_arm): New template class.
10415         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
10416         (Output_data_plt_arm:do_adjust_output_section): Define new method.
10417         (Output_data_plt_arm::add_entry): Same.
10418         (Output_data_plt_arm::first_plt_entry): Define new
10419         static data member for PLT instruction template.
10420         (Output_data_plt_arm::plt_entry): Same.
10421         (Output_data_plt_arm::do_write): Define new method.
10422         (Target_arm::make_plt_entry): Same.
10423         (Target_arm::do_finalize_sections): Same.
10424         (Target_arm::do_dynsym_value): Same.
10425
10426 2009-05-28  Doug Kwan  <dougkwan@google.com>
10427
10428         * Makefile.am (TARGETSOURCES): Add arm.cc.
10429         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
10430         * Makefile.in: Regenerate.
10431         * arm.cc: New file.
10432         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
10433
10434 2009-05-26  Doug Kwan  <dougkwan@google.com>
10435
10436         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
10437         (General_options::check_excluded_libs): Strip off directories in
10438         archive name before matching like GNU ld does.
10439         * testsuite/Makefile.am (MOSTLYCLEANFILES,
10440         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
10441         (exclude_libs_test_LDFLAGS): Add linker option
10442         -Wl,--exclude-libs,libexclude_libs_test_3
10443         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
10444         an explicit archive without using -l.
10445         (alt/libexclude_libs_test_3.a): New make rule.
10446         * testsuite/Makefile.in: Regenerate.
10447         * testsuite/exclude_libs_test.c : Declare lib3_default().
10448         (main): Call it.
10449         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
10450         * exclude_libs_test_3.c: New file.
10451
10452 2009-05-26  Nick Clifton  <nickc@redhat.com>
10453
10454         * po/id.po: New Indonesian translation.
10455         * po/gold.pot: Updated template file.
10456
10457 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
10458
10459         * testsuite/Makefile.am: Add -ffunction-sections to compile
10460         gc_comdat_test files.  Add -Wl,--gc-sections to build
10461         gc_comdat_test.
10462         * testsuite/Makefile.in: Regenerate.
10463         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
10464
10465 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
10466
10467         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
10468         kept comdat section was garbage collected.
10469         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
10470         * testsuite/Makefile.in: Regenerate.
10471         * testsuite/gc_comdat_test.sh: New file.
10472         * testsuite/gc_comdat_test_1.cc: New file.
10473         * testsuite/gc_comdat_test_2.cc: New file.
10474
10475 2009-05-19  Doug Kwan  <dougkwan@google.com>
10476
10477         * archive.cc (Archive::Archive): Move constructor from archive.h
10478         to here.  Initialize no_export_.
10479         (Archive::get_elf_object_for_member): Set no_export flag of object.
10480         * archive.h (Archive::Archive): Move constructor body to
10481         archive.cc.
10482         (Archive::no_export): New method.
10483         (Archive::no_export_): New field.
10484         * object.h (Object::Object): Initialize no_export_ to false.
10485         (Object::no_export, Object::set_no_export): New methods.
10486         (Object::no_export_): New field.
10487         * options.cc (General_options::parse_exclude_libs): New method.
10488         (General_options::check_excluded_libs) Same.
10489         * options.h (exclude_libs): New option.
10490         (General_options::check_excluded_libs): New method declaration.
10491         (General_options::excluded_libs_): New field.
10492         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
10493         default or protected visibility if an object has no-export flag set.
10494         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
10495         (check_SCRIPTS): Add exclude_libs_test.sh.
10496         (check_DATA): Add exclude_libs_test.syms.
10497         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
10498         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
10499         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
10500         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
10501         (exclude_libs_test.syms, libexclude_libs_test_1.a,
10502         libexclude_libs_test_2.a): New rules.
10503         * testsuite/Makefile.in: Regenerate.
10504         * testsuite/exclude_libs_test.c: New file.
10505         * testsuite/exclude_libs_test.sh: Ditto.
10506         * testsuite/exclude_libs_test_1.c: Ditto.
10507         * testsuite/exclude_libs_test_2.c: Ditto.
10508
10509 2009-05-15  Ian Lance Taylor  <iant@google.com>
10510
10511         * configure.ac: Check for declarations for cases where libiberty.h
10512         checks HAVE_DECL_xxx.
10513         * configure, config.in: Rebuild.
10514
10515 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
10516
10517         * gold.h (Incremental_argument_list): Remove (invalid) forward
10518         declaration.
10519         * incremental.cc (Incremental_inputs::report_achive): New method.
10520         (Incremental_inputs::report_object): New method.
10521         (Incremental_inputs::report_script): New method.
10522         (Incremental_inputs::finalize_inputs): New method.
10523         (Incremental_inputs::finalize): Call finalize_inputs().
10524         (Incremental_inputs::sized_create_incremental_inputs_section_data):
10525         Create inputs entries.
10526         * incremental.h (Incremental_input_type): New enum.
10527         (Incremental_inputs::Incremental_input): Initialize new fields.
10528         (Incremental_inputs::report_inputs): New method.
10529         (Incremental_inputs::report_achive): New method.
10530         (Incremental_inputs::report_object): New method.
10531         (Incremental_inputs::report_script): New method.
10532         (Incremental_inputs::finalize_inputs): New method.
10533         (Incremental_inputs::Input_info): New struct.
10534         (Incremental_inputs::Input_info_map): New typedef.
10535         (Incremental_inputs::lock_): New field.
10536         (Incremental_inputs::Inputs_): New field.
10537         (Incremental_inputs::Inputs_map): New field.
10538         * main.cc (main): Call Incremental_input::report_inputs.
10539         * options.h (Input_argument_list): Typedef moved from
10540         Input_arguments.
10541         (Input_file_group::Files): Remove, use ::Input_argument_list.
10542         (Input_file_group::Input_argument_list): Remove, use
10543         ::Input_argument_list.
10544         * plugin.cc (Plugin_manager::add_input_file): Add error in
10545         incremental build.
10546         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
10547         functions.
10548         * script.cc (read_input_script): Call
10549         Incremental_input::report_script.
10550         * script.h (Script_info): New class.
10551
10552 2009-04-27  Ian Lance Taylor  <iant@google.com>
10553
10554         * x86_64.cc (do_adjust_output_section): Set entsize to
10555         plt_entry_size.
10556
10557 2009-04-23  Elliott Hughes  <enh@google.com>
10558
10559         * output.cc (Output_file::close): After short writes, continue
10560         writing from the correct offset in the buffer being written.
10561
10562 2009-04-23  Chris Demetriou  <cgd@google.com>
10563
10564         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
10565         * configure: Regenerate.
10566         * config.in: Regenerate.
10567         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
10568         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
10569
10570 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
10571
10572         * incremental.cc (Incremental_inputs_header_data): Renamed from
10573         Incremental_input_header_data.
10574         (Incremental_inputs_header_data::data_size): New field.
10575         (Incremental_inputs_header_data::put_input_file_count): Renamed
10576         from input_file_count.
10577         (Incremental_inputs_header_data::put_command_line_offset): Renamed
10578         from command_line_offset.
10579         (Incremental_inputs_header_data::put_reserved): Renamed from
10580         put_reserved.
10581         (Incremental_inputs_entry_data): Renamed from
10582         Incremental_input_entry_data.
10583         (Incremental_inputs_entry_data::data_size): New field.
10584         (Incremental_inputs::report_command_line): New method.
10585         (Incremental_inputs::finalize): New method.
10586         (Incremental_inputs::create_incremental_inputs_data): New method.
10587         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
10588         * incremental.h: New file.
10589         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
10590         (Layout::finalize): Create incremental inputs section in
10591         incremental builds.
10592         (Layout::create_incremental_info_sections): New method.
10593         * layout.h (Layout::incremental_inputs): New method.
10594         (Layout::create_incremental_info_sections): New method.
10595         (Layout::incremental_inputs_): New field.
10596         * main.cc (main): Notify Incremental_input of the command line.
10597
10598 2009-04-01  Ian Lance Taylor  <iant@google.com>
10599             Mikolaj Zalewski  <mikolajz@google.com>
10600
10601         * gold.h (reserve_unordered_map): Define, three versions, one for
10602         each version of Unordered_map.
10603         * layout.cc (Layout::Layout): Remove options parameter.  Add
10604         number_of_input_files parameter.  Don't initialize options_.
10605         Initialize number_of_input_files_ and resized_signatures_.  Move
10606         sections_are_attached_.
10607         (Layout::layout_group): Reserve space for group_signatures_.
10608         (Layout::find_or_add_kept_section): Change name parameter to be a
10609         reference.  Resize signatures_ map when it gets large enough.
10610         (Layout::layout_eh_frame): Use parameters->options() instead of
10611         this->options_.
10612         (Layout::make_output_section): Likewise.
10613         (Layout::attach_allocated_section_to_segment): Likewise.
10614         (Layout::finalize, Layout::create_executable_stack): Likewise.
10615         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
10616         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
10617         * layout.h (class Layout): Update declarations.  Remove options_
10618         field.  Add number_of_input_files_ and resized_signatures_
10619         fields.  Move sections_are_attached_ field.
10620         * main.cc (main): Pass number of input files to Layout
10621         constructor.  Don't pass options.
10622
10623 2009-03-30  Ian Lance Taylor  <iant@google.com>
10624
10625         * ffsll.c (ffsll): Correct implementation.
10626
10627 2009-03-27  Ian Lance Taylor  <iant@google.com>
10628
10629         * ffsll.c: New file.
10630         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
10631         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
10632         * ftruncate.c (ftruncate): Declare before definition.
10633         * mremap.c (mremap): Likewise.
10634         * pread.c (pread): Likewise.
10635         * configure, Makefile.in, config.in: Rebuild.
10636
10637         * mremap.c: New file.
10638         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
10639         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
10640         (mremap): Declare if HAVE_MREMAP is not defined.
10641         * configure, Makefile.in, config.in: Rebuild.
10642
10643 2009-03-27  Cary Coutant  <ccoutant@google.com>
10644
10645         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
10646         position independent.
10647         * sparc.cc (Target_sparc::check_non_pic): Likewise.
10648         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
10649
10650 2009-03-24  Cary Coutant  <ccoutant@google.com>
10651
10652         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
10653         an executable.
10654         (needs_dynamic_reloc): Likewise.
10655
10656 2009-03-24  Ian Lance Taylor  <iant@google.com>
10657
10658         * yyscript.y (file_cmd): Recognize EXTERN.
10659         (extern_name_list, extern_name_list_body): New nonterminals.
10660         * script.cc (script_add_extern): Define.
10661         * script-c.h (script_add_extern): Declare.
10662
10663 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
10664
10665         * object.cc (is_elf_object): Define.
10666         * object.h (is_elf_object): Declare.
10667         * archive.cc (Archive::get_elf_object_for_member): Call
10668         is_elf_object.
10669         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
10670
10671 2009-03-24  Elliott Hughes  <enh@google.com>
10672
10673         * output.cc (Output_file::map_anonymous): Define.
10674         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
10675         try an anonymous one.  Report the size if the mmap fails.
10676         * output.h (class Output_file): Declare map_anonymous.
10677
10678 2009-03-24  Ian Lance Taylor  <iant@google.com>
10679
10680         * target-select.cc (instantiate_target): Don't acquire the lock if
10681         the instantiated_target_ field has already been set.
10682
10683 2009-03-23  Ian Lance Taylor  <iant@google.com>
10684
10685         * gold-threads.h (class Initialize_lock): Define.
10686         * gold-threads.cc (class Initialize_lock_once): Define.
10687         (initialize_lock_control): New static variable.
10688         (initialize_lock_pointer): New static variable.
10689         (initialize_lock_once): New static function.
10690         (Initialize_lock::Initialize_lock): Define.
10691         (Initialize_lock::initialize): Define.
10692         * target-select.h: Include "gold-threads.h".
10693         (class Target_selector): Add lock_ and initialize_lock_ fields.
10694         Don't define instantiate_target, just declare it.
10695         * target-select.cc (Target_selector::Target_selector): Initialize
10696         new fields.
10697         (Target_selector::instantiate_target): Define.
10698         * descriptors.h: Include "gold-threads.h".
10699         (class Descriptors): Add initialize_lock_ field.
10700         * descriptors.cc (Descriptors::Descriptors): Initialize new
10701         field.
10702         (Descriptors::open): Use initialize_lock_ field
10703         * errors.h (class Errors): Add initialize_lock_ field.
10704         * errors.cc (Errors::Errors): Initialize new field.
10705         (Errors::initialize_lock): Use initialize_lock_ field.
10706         * powerpc.cc (class Target_selector_powerpc): Remove
10707         instantiated_target_ field.  In do_recognize call
10708         instantiate_target rather than do_instantiate_target.  In
10709         do_instantiate_target just allocate a new target.
10710         * sparc.cc (class Target_selector_sparc): Likewise.
10711
10712         * freebsd.h: New file.
10713         * i386.cc: Include "freebsd.h".
10714         (Target_i386): Derive from Target_freebsd rather than
10715         Sized_target.
10716         (Target_selector_i386): Derive from Target_selector_freebsd rather
10717         than Target_selector.
10718         * x86_64.cc: Include "freebsd.h".
10719         (Target_x86_64): Derive from Target_freebsd rather than
10720         Sized_target.
10721         (Target_selector_x86_64): Derive from Target_selector_freebsd
10722         rather than Target_selector.
10723         * target.h (class Target): Add adjust_elf_header and
10724         do_adjust_elf_header.
10725         * output.cc (Output_file_header:: do_sized_write): Call target
10726         adjust_elf_header routine.
10727         * configure.tgt: Set targ_osabi.
10728         * configure.ac: Define GOLD_DEFAULT_OSABI.
10729         * parameters.cc (Parameters::default_target): Pass
10730         GOLD_DEFAULT_OSABI to select_target.
10731         * target-select.h (class Target_selector): Make instantiate_target
10732         protected rather than private.
10733         * Makefile.am (HFILES): Add freebsd.h.
10734         * configure, Makefile.in, config.in: Rebuild.
10735
10736         * merge.cc (do_add_input_section): Correct pend value.  Change
10737         message about last entry not being null terminated from error to
10738         warning.
10739
10740 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
10741
10742         * incremental.cc: New file.
10743         * Makefile.am (CCFILES): Add incremental.cc.
10744         * Makefile.in: Rebuild.
10745
10746 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
10747
10748         * layout.cc (Layout::output_section_name): Preserve names
10749         of '.note.' sections.
10750
10751 2009-03-19  Ian Lance Taylor  <iant@google.com>
10752
10753         * descriptors.cc (Descriptors::open): Check that the options are
10754         valid before using them.
10755
10756 2009-03-18  Ian Lance Taylor  <iant@google.com>
10757
10758         * script-sections.h: Include <list>.
10759         (class Script_sections): Change Sections_elements from std::vector
10760         to std::list.  Typedef public Elements_iterator.  Add
10761         orphan_section_placement_, data_segment_align_start_, and
10762         saw_data_segment_align_ fields.  Remove data_segment_align_index_
10763         field.
10764         * script-sections.cc (class Orphan_section_placement): New class.
10765         (class Sections_element): Add virtual functions is_relro and
10766         orphan_section_init.  Remove virtual function place_orphan_here.
10767         (class Output_section_definition): Add is_relro and
10768         orphan_section_init.  Remove place_orphan_here.
10769         (class Orphan_output_section): Likewise.
10770         (Script_sections::Script_sections): Update for field changes.
10771         (Script_sections::data_segment_align): Set saw_data_segment_align_
10772         and data_segment_align_start_, not data_segment_align_index.
10773         (Script_sections::data_segment_relro_end): Check
10774         saw_data_segment_align_.  Use data_segment_align_start_ rather
10775         than data_segment_align_index_.
10776         (Script_sections::place_orphan): Rewrite to use
10777         Orphan_section_placement.
10778
10779 2009-03-17  Ian Lance Taylor  <iant@google.com>
10780
10781         * archive.cc (Archive::add_symbols): Check for a version attached
10782         to the symbol name in the archive map.
10783         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
10784         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
10785         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
10786         (ver_test_11.a): New target.
10787         * testsuite/Makefile.in: Rebuild.
10788
10789         * configure.ac: Check for chsize and posix_fallocate.  Replace
10790         ftruncate.
10791         * ftruncate.c: New file, from gnulib.
10792         * output.cc (posix_fallocate): Define dummy version if not
10793         HAVE_POSIX_FALLOCATE.
10794         (Output_file::map): Call posix_fallocate rather than lseek and
10795         write.
10796         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
10797         * configure, Makefile.in, config.in: Rebuild.
10798
10799 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
10800
10801         * layout.h (Layout::create_note): Add section_name parameter.
10802         * layout.cc (Layout::create_note): Likewise.
10803         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
10804
10805 2009-03-17  Ian Lance Taylor  <iant@google.com>
10806
10807         * descriptors.cc: Include "options.h".
10808         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
10809         (Descriptors::open): Always use O_CLOEXEC when opening a new
10810         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
10811         then set FD_CLOEXEC.
10812
10813         * sparc.cc (class Target_sparc): Add has_got_section.
10814         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
10815         make sure we have a GOT section.
10816
10817         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
10818         (Target_sparc::Scan::local): Likewise.
10819         (Target_sparc::Scan::global): Likewise.
10820         (Target_sparc::Relocate::relocate): Likewise.
10821         (Target_sparc::Relocate::relocate_tls): Likewise.
10822
10823         * symtab.cc (Symbol_table::define_default_version): New function,
10824         broken out of add_from_object.
10825         (Symbol_table::add_from_object): Call define_default_version.
10826         (Symbol_table::define_special_symbol): Add resolve_oldsym
10827         parameter.  Change all callers.  If the version for a symbol comes
10828         from a version script, resolve it with the symbol with the same
10829         name with no version.  Also add the symbol without a version if
10830         appropriate.
10831         (do_define_in_output_data): If resolving with oldsym, don't delete
10832         sym.
10833         (do_define_in_output_segment): Likewise.
10834         (do_define_as_constant): Likewise.
10835         * symtab.h (class Symbol_table): Update declarations.
10836
10837 2009-03-13  Ian Lance Taylor  <iant@google.com>
10838
10839         * readsyms.cc (Read_symbols::incompatible_warning): New function.
10840         (Read_symbols::requeue): New function.
10841         (Read_symbols::do_read_symbols): If make_elf_object fails because
10842         the target type is not configured, and the file was searched for,
10843         issue a warning and retry with the next directory.
10844         (Add_symbols::run): If the file has an incompatible format, and
10845         it was searched for, requeue the Read_symbols task.  On error,
10846         release the object.
10847         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
10848         dirindex parameter to constructor.  Change all callers.  Declare
10849         incompatible_warning and requeue.
10850         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
10851         input_argument_ and input_group_ fields.  Add them to
10852         constructor.  Change all callers.
10853         (class Read_script): Add dirindex_ field.  Add it to constructor.
10854         Change all callers.
10855         * archive.cc (Archive::setup): Remove input_objects parameter.
10856         Change all callers.
10857         (Archive::get_file_and_offset): Likewise.
10858         (Archive::read_all_symbols): Likewise.
10859         (Archive::read_symbols): Likewise.
10860         (Archive::get_elf_object_for_member): Remove input_objects
10861         parameter.  Add punconfigured parameter.  Change all callers.
10862         (Archive::add_symbols): Change return type to bool.  Check return
10863         value of include_member.
10864         (Archive::include_all_members): Likewise.
10865         (Archive::include_member): Change return type to bool.  Return
10866         false if first included object has incompatible target.  Set
10867         included_member_ field.
10868         (Add_archive_symbols::run): If add_symbols returns false, requeue
10869         Read_symbols task.
10870         * archive.h (class Archive): Add included_member_ field.
10871         Initialize it in constructor.  Add input_file and searched_for
10872         methods.  Update declarations.
10873         (class Add_archive_symbols): Add dirpath_, dirindex_, and
10874         input_argument_ fields.  Add them to constructor.  Change all
10875         callers.
10876         * script.cc: Include "target-select.h".
10877         (class Parser_closure): Add skip_on_incompatible_target_ and
10878         found_incompatible_target_ fields.  Add
10879         skip_on_incompatible_target parameter to constructor.  Change all
10880         callers.  Add methods skip_on_incompatible_target,
10881         clear_skip_on_incompatible_target, found_incompatible_target, and
10882         set_found_incompatible_target.
10883         (read_input_script): Add dirindex parameter.  Change all callers.
10884         If parser finds an incompatible target, requeue Read_symbols
10885         task.
10886         (script_set_symbol): Clear skip_on_incompatible_target in
10887         closure.
10888         (script_add_assertion, script_parse_option): Likewise.
10889         (script_start_sections, script_add_phdr): Likewise.
10890         (script_check_output_format): New function.
10891         * script.h (read_input_script): Update declaration.
10892         * script-c.h (script_check_output_format): Declare.
10893         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
10894         (ignore_cmd): Remove OUTPUT_FORMAT.
10895         * fileread.cc (Input_file::Input_file): Add explicit this.
10896         (Input_file::will_search_for): New function.
10897         (Input_file::open): Add pindex parameter.  Change all callers.
10898         * fileread.h (class Input_file): Add input_file_argument method.
10899         Declare will_search_for.  Update declarations.
10900         * object.cc (make_elf_object): Add punconfigured parameter.
10901         Change all callers.
10902         * object.h (class Object): Make input_file public.  Add
10903         searched_for method.
10904         (make_elf_object): Update declaration.
10905         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
10906         restart search.
10907         * dirsearch.h (class Dirsearch): Update declaration.
10908         * options.h (class General_options): Add --warn-search-mismatch.
10909         * parameters.cc (Parameters::is_compatible_target): New function.
10910         * parameters.h (class Parameters): Declare is_compatible_target.
10911         * workqueue.cc (Workqueue::add_blocker): New function.
10912         * workqueue.h (class Workqueue): Declare add_blocker.
10913
10914         * fileread.cc (Input_file::open): Remove options parameter.
10915         Change all callers.
10916         (Input_file::open_binary): Likewise.
10917         * script.cc (read_input_script): Likewise.
10918         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
10919         options parameter from constructor.  Change all callers.
10920         (class Read_script): Likewise.
10921         * fileread.h (class Input_file): Update declarations.
10922         * script.h (read_input_script): Update declaration.
10923
10924 2009-03-10  Nick Clifton  <nickc@redhat.com>
10925
10926         * po/es.po: New Spanish translation.
10927
10928 2009-03-06  Cary Coutant  <ccoutant@google.com>
10929
10930         * options.cc (parse_short_option): Keep dash_z from registering itself.
10931
10932 2009-03-03  Ian Lance Taylor  <iant@google.com>
10933
10934         PR 9918
10935         * target-reloc.h (relocate_section): Pass output_section to
10936         relocate.
10937         * i386.cc (Target_i386::should_apply_static_reloc): Add
10938         output_section parameter.  Change all callers.
10939         (Target_i386::Relocate::relocate): Add output_section parameter.
10940         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10941         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
10942         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
10943         * testsuite/two_file_shared.sh: New script.
10944         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
10945         (check_DATA): Add two_file_shared.dbg.
10946         (two_file_shared.dbg): New target.
10947         * testsuite/Makefile.in: Rebuild.
10948
10949 2009-03-01  Ian Lance Taylor  <iant@google.com>
10950
10951         * configure.ac: Check for byteswap.h.
10952         * configure: Rebuild.
10953         * config.in: Rebuild.
10954
10955 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
10956
10957         * layout.cc (Layout::find_or_add_kept_section): New function.
10958         (Layout::add_comdat): Removed.
10959         * layout.h (struct Kept_section): Move out of class Layout.
10960         Remove trailing underscores from field names.  Add group_sections
10961         field.  Rename group_ field to is_group.  Change all uses.
10962         (class Layout): Declare find_or_add_kept_section, not add_comdat.
10963         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10964         comdat_groups_ field.
10965         (Sized_relobj::include_section_group): Use
10966         find_or_add_kept_section and Kept_section::group_sections.
10967         (Sized_relobj::include_linkonce_section): Likewise.
10968         * object.cc (class Sized_relobj): Don't define Comdat_group or
10969         Comdat_group_table.  Remove find_comdat_group and
10970         add_comdat_group.  Remove comdat_groups_ field.
10971         * plugin.cc (include_comdat_group): Use
10972         Layout::find_or_add_kept_section.
10973
10974 2009-02-28  Ian Lance Taylor  <iant@google.com>
10975
10976         * README: --gc-sections and map files are now supported.  Document
10977         some build requirements.
10978
10979         PR 6992
10980         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
10981         relocatable link set the value of the section symbol to zero.
10982         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
10983         relocatable link don't include the section address in the local
10984         symbol value.
10985
10986 2009-02-27  Ian Lance Taylor  <iant@google.com>
10987
10988         PR 6811
10989         * options.h (class Search_directory): Add is_system_directory.
10990         (class General_options): Declare is_in_system_directory.
10991         * options.cc (get_relative_sysroot): Make static.
10992         (get_default_sysroot): Make static.
10993         (General_optoins::is_in_system_directory): New function.
10994         * fileread.cc (Input_file::is_in_system_directory): New function.
10995         * fileread.h (class Input_file): Declare is_in_system_directory.
10996         * object.h (class Object): Add is_in_system_directory.
10997         (class Input_objects): Remove system_library_directory_ field.
10998         * object.cc (Input_objects::add_object): Don't set
10999         system_library_directory_.
11000         (input_objects::found_in_system_library_directory): Remove.
11001         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11002         parameter.  Change all callers.
11003         (Symbol_table::sized_write_globals): Likewise.
11004         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11005         Call Object::is_in_system_directory.
11006         * symtab.h (class Symbol_table): Update declarations.
11007
11008         PR 5990
11009         * descriptors.h (Open_descriptor): Add is_on_stack field.
11010         * descriptors.cc (Descriptors::open): If the descriptor is on the
11011         top of the stack, remove it.  Initialize is_on_stack field.
11012         (Descriptors::release): Only add pod to stack if it is not on the
11013         stack already.
11014         (Descriptors::close_some_descriptor): Clear stack_next and
11015         is_on_stack fields.
11016
11017         PR 7091
11018         * output.cc (Output_section::find_starting_output_address): Rename
11019         from starting_output_address; add PADDR parameter; change return
11020         type.
11021         * output.h (class Output_section): Declare
11022         find_starting_output_address instead of starting_output_address.
11023         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11024         section symbol for which we can't find a merge section.
11025
11026         PR 9836
11027         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11028         hidden or internal, force the symbol to be local.
11029         * resolve.cc (Symbol::override_visibility): Define.
11030         (Symbol::override_base): Use override_visibility.
11031         (Symbol_table::resolve): Likewise.
11032         (Symbol::override_base_with_special): Likewise.
11033         (Symbol_table::override_with_special): If the visibility is hidden
11034         or internal, force the symbol to be local.
11035         * symtab.h (class Symbol): Add set_visibility and
11036         override_visibility.
11037         * testsuite/ver_test_1.sh: New file.
11038         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11039         (check_DATA): Add ver_test_1.syms.
11040         (ver_test_1.syms): New target.
11041         * testsuite/Makefile.in: Rebuild.
11042
11043 2009-02-25  Cary Coutant  <ccoutant@google.com>
11044
11045         * layout.cc (Layout::choose_output_section): Don't rename sections
11046         when using a linker script that has a SECTIONS clause.
11047         * Makefile.in: Regenerate.
11048
11049         * testsuite/Makefile.am (script_test_5.sh): New test case.
11050         * testsuite/Makefile.in: Regenerate.
11051         * testsuite/script_test_5.cc: New file.
11052         * testsuite/script_test_5.sh: New file.
11053         * testsuite/script_test_5.t: New file.
11054
11055 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11056
11057         * archive.cc (Archive::include_member): Update calls to add_symbols.
11058         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11059         the Layout argument.
11060         * dynobj.h (do_add_symbols): Add the Layout argument.
11061         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11062         Layout argument.
11063         * object.h (Object::add_symbols): Add the Layout argument.
11064         (Object::do_add_symbols): Add the Layout argument.
11065         (Sized_relobj::do_add_symbols): Add the Layout argument.
11066         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11067         Unify the two versions.
11068         (Add_plugin_symbols): Remove.
11069         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11070         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11071         (Add_plugin_symbols): Remove.
11072         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11073         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11074         (Add_symbols::run): Make it work with Pulginobj.
11075
11076 2009-02-06  Ian Lance Taylor  <iant@google.com>
11077
11078         * object.cc (Sized_relobj::do_layout): Make info message start
11079         with lower case letter.
11080
11081 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11082
11083         * binary.cc: Fix file comment.
11084
11085         * options.h (enum Incremental_disposition): Define.
11086         (class General_options): Add new options: --incremental,
11087         --incremental_changed, --incremental_unchanged,
11088         --incremental_unknown.  Add incremental_disposition_ and
11089         implicit_incremental_ fields.
11090         (General_options::incremental_disposition): New function.
11091         (class Position_dependent_options): Add incremental_disposition
11092         option.
11093         (Position_dependent_options::copy_from_options): Set incremental
11094         dispositions.
11095         * options.cc (General_options::parse_incremental_changed): New
11096         function.
11097         (General_options::parse_incremental_unchanged): New function.
11098         (General_options::parse_incremental_unknown): New function.
11099         (General_options::General_options): Initialize new fields
11100         incremental_disposition_ and implicit_incremental_.
11101         (General_options::finalize): Check for uasge of --incremental-*
11102         without --incremental.
11103
11104 2009-02-06  Chris Demetriou  <cgd@google.com>
11105
11106         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11107         pointer and to report location as the file name associated with
11108         the symbol.
11109         (gold_undefined_symbol_at_location): New function to replace the
11110         old gold_undefined_symbol functionality.
11111         * target-reloc.h (relocate_section): Update to use
11112         gold_undefined_symbol_at_location.
11113         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11114         Call gold_undefined_symbol function rather than gold_error.
11115         * errors.h (Errors::undefined_symbol): Take location as a
11116         string, rather than calculating it from a relocation.
11117         * errors.cc (Errors::fatal): Print "fatal error:" before the
11118         formatted message.
11119         (Errors::error, Errors::error_at_location): Print "error: "
11120         before the formatted message.
11121         (Errors::undefined_symbol): Take location as a string, rather
11122         than calculating it from a relocation.
11123         (gold_undefined_symbol_at_location): New function akin to
11124         old gold_undefined_symbol, calculates location from relocation.
11125         (gold_undefined_symbol): Change to take only a Symbol pointer
11126         and to report location as the file name associated with the symbol.
11127         * testsuite/debug_msg.sh: Update for changed error messages.
11128         * testsuite/undef_symbol.sh: Likewise.
11129
11130 2009-02-04  Duncan Sands  <baldrick@free.fr>
11131
11132         PR 9812
11133         * reduced_debug_output.h
11134         (Output_reduced_debug_abbrev_section::failed): Use format for
11135         gold_warning.
11136         (Output_reduced_debug_info_section::faild): Likewise.
11137
11138 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11139
11140         * script.cc (Lazy_demangler): New class.
11141         (Version_script_info::get_symbol_version_helper): Demangle a
11142         symbol only once.
11143
11144 2009-01-29  Cary Coutant  <ccoutant@google.com>
11145
11146         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11147         to __tls_get_addr.
11148         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11149
11150 2009-01-28  Ian Lance Taylor  <iant@google.com>
11151
11152         * version.cc (version_string): Bump to 1.9.
11153
11154         * gold.h: Include <cstring> and <stdint.h>.
11155         * version.cc: Include <cstdio>.
11156         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11157         warning.
11158         * reduced_debug_output.cc (insert_into_vector): Rename from
11159         Insert_into_vector; change all callers.  Use Swap_unaligned to
11160         avoid aliasing issue; remove union since it is unnecessary.
11161
11162 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11163
11164         * Makefile.am (CCFILES): Add gc.cc.
11165         (HFILES): Add gc.h.
11166         * Makefile.in: Regenerate.
11167         * gold.cc (Gc_runner): New class.
11168         (queue_initial_tasks): Call garbage collection related tasks
11169         when corresponding options are invoked.
11170         (queue_middle_gc_tasks): New function.
11171         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11172         processed early before laying out sections during garbage collection.
11173         * gold.h (queue_middle_gc_tasks): New function.
11174         (is_prefix_of): Move from "layout.cc".
11175         * i386.cc (Target_i386::gc_process_relocs): New function.
11176         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11177         * main.cc (main): Create object of class "Garbage_collection".
11178         * object.cc (Relobj::copy_symbols_data): New function.
11179         (Relobj::is_section_name_included): New function.
11180         (Sized_relobj::do_layout): Allow this function to be called twice
11181         during garbage collection and defer layout of section during the
11182         first call.
11183         * object.h (Relobj::get_symbols_data): New function.
11184         (Relobj::is_section_name_included): New function.
11185         (Relobj::copy_symbols_data): New function.
11186         (Relobj::set_symbols_data): New function.
11187         (Relobj::get_relocs_data): New function.
11188         (Relobj::set_relocs_data): New function.
11189         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11190         (Relobj::gc_process_relocs): New function.
11191         (Relobj::do_gc_process_relocs): New pure virtual function.
11192         (Relobj::sd_): New data member.
11193         (Sized_relobj::is_output_section_offset_invalid): New function.
11194         (Sized_relobj::do_gc_process_relocs): New function.
11195         * options.h (General_options::gc_sections): Modify to not be a no-op.
11196         (General_options::print_gc_sections): New option.
11197         * plugin.cc (Plugin_finish::run): Remove function call to
11198         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11199         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11200         * reloc.cc (Read_relocs::run): Add task to process relocs and
11201         determine unreferenced sections when doing garbage collection.
11202         (Gc_process_relocs): New class.
11203         (Sized_relobj::do_gc_process_relocs): New function.
11204         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11205         sections that are garbage collected.
11206         * reloc.h (Gc_process_relocs): New class.
11207         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11208         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11209         symbols whose corresponding sections are garbage collected.
11210         (Symbol_table::Symbol_table): Add new parameter for the garbage
11211         collection object.
11212         (Symbol_table::gc_mark_undef_symbols): New function.
11213         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11214         (Symbol_table::gc_mark_dyn_syms): New function.
11215         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11216         as garbage.
11217         (Symbol_table::add_from_object): Likewise.
11218         (Symbol_table::add_from_relobj): When building shared objects, do not
11219         treat externally visible symbols as garbage.
11220         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11221         table information for static and relocatable links.
11222         * symtab.h (Symbol_table::set_gc): New function.
11223         (Symbol_table::gc): New function.
11224         (Symbol_table::gc_mark_undef_symbols): New function.
11225         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11226         (Symbol_table::gc_mark_dyn_syms): New function.
11227         (Symbol_table::gc_): New data member.
11228         * target.h (Sized_target::gc_process_relocs): New pure virtual
11229         function.
11230         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11231         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11232
11233 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11234
11235         * options.h (General_options::gc_sections): Define as a no-op for now.
11236         (General_options::no_keep_memory): Ditto.
11237         (General_options::Bshareable): Define.
11238         * options.cc (General_options::finalize): Honor -Bshareable.
11239
11240 2009-01-20  Andreas Schwab  <schwab@suse.de>
11241
11242         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11243         read the value in the contents, since we don't use it.  Use the
11244         template endianness when writing.
11245         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11246
11247 2009-01-19  Andreas Schwab  <schwab@suse.de>
11248
11249         * configure.tgt (powerpc64-*): Fix targ_obj.
11250
11251 2009-01-15  Ian Lance Taylor  <iant@google.com>
11252
11253         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11254         local symbols when stripping all symbols.
11255
11256 2009-01-14  Cary Coutant  <ccoutant@google.com>
11257
11258         * output.cc (Output_reloc): Add explicit instantiations.
11259
11260 2009-01-14  Cary Coutant  <ccoutant@google.com>
11261
11262         * archive.cc (Archive::get_elf_object_for_member): Remove call
11263         to File_read::claim_for_plugin.
11264         * descriptors.cc (Descriptors::open): Remove reference to
11265         is_claimed.
11266         (Descriptors::claim_for_plugin): Remove.
11267         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11268         (Descriptors::is_claimed): Remove.
11269         (claim_descriptor_for_plugin): Remove.
11270         * fileread.cc (File_read::claim_for_plugin): Remove.
11271         * fileread.h (File_read::claim_for_plugin): Remove.
11272         (File_read::descriptor): Reopen descriptor if necessary.
11273         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11274         (Plugin_manager::all_symbols_read): Add task parameter. Change
11275         all callers.
11276         (Plugin_manager::get_input_file): New function.
11277         (Plugin_manager::release_input_file): New function.
11278         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11279         corresponding data member.
11280         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11281         and pass to base constructor. Change all callers.
11282         (get_input_file, release_input_file): New functions.
11283         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11284         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11285         (Plugin_manager::all_symbols_read): Add task parameter.
11286         (Plugin_manager::get_input_file): New function.
11287         (Plugin_manager::release_input_file): New function.
11288         (Plugin_manager::task_): New data member.
11289         (Pluginobj::Pluginobj): Add filesize parameter.
11290         (Pluginobj::filename): New function.
11291         (Pluginobj::descriptor): New function.
11292         (Pluginobj::filesize): New function.
11293         (Pluginobj::filesize_): New data member.
11294         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11295         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11296         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11297
11298         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11299         with archive libraries.
11300         * testsuite/Makefile.in: Regenerate.
11301         * testsuite/plugin_test.c (struct sym_info): New type.
11302         (get_input_file, release_input_file): New static variables.
11303         (onload): Capture new transfer vector entries.
11304         (claim_file_hook): Stop reading at end of file according to filesize.
11305         Factor out parsing of readelf output into separate function.
11306         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11307         APIs and get the source file name from the symbol table.  Convert
11308         source file name to corresponding object file name.  Print info
11309         message when adding new input files.
11310         (parse_readelf_line): New function.
11311         * testsuite/plugin_test_1.sh: Add checks for new info messages.
11312         * testsuite/plugin_test_2.sh: Likewise.
11313         * testsuite/plugin_test_3.sh: Likewise.
11314         * testsuite/plugin_test_4.sh: New test case.
11315
11316 2009-01-07  Ian Lance Taylor  <iant@google.com>
11317
11318         * version.cc (version_string): Bump to 1.8.
11319
11320 2008-12-23  Cary Coutant  <ccoutant@google.com>
11321
11322         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
11323         * plugin.cc (Plugin_manager::finish): Rename as
11324         layout_deferred_objects.  Move cleanup to separate function.
11325         (Plugin_manager::cleanup): New function.
11326         (Plugin_finish::run): Call layout_deferred_objects and cleanup
11327         separately.
11328         * plugin.h (Plugin_manager::finish): Rename as
11329         layout_deferred_objects.
11330         (Plugin_manager::cleanup): New function.
11331         (Plugin_manager::cleanup_done): New field.
11332
11333 2008-12-23  Cary Coutant  <ccoutant@google.com>
11334
11335         * plugin.cc (is_visible_from_outside): New function.
11336         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
11337         so we don't return "IR only" status for exported symbols or -r links.
11338
11339         * testsuite/Makefile.am (plugin_test_3): New test case.
11340         * testsuite/Makefile.in: Regenerate.
11341         * testsuite/plugin_test_3.sh: New file.
11342
11343 2008-12-22  Cary Coutant  <ccoutant@google.com>
11344
11345         * object.cc (Sized_relobj::layout_section): New function.
11346         (Sized_relobj::do_layout): Defer layout of input sections until after
11347         plugin has provided replacement files.
11348         (Sized_relobj::do_layout_deferred_sections): New function.
11349         * object.h (Relobj::set_section_offset): Remove virtual keyword.
11350         (Relobj::layout_deferred_sections): New function.
11351         (Relobj::do_layout_deferred_sections): New function.
11352         (Sized_relobj::do_layout_deferred_sections): New function.
11353         (Sized_relobj::layout_section): New function.
11354         (Sized_relobj::Deferred_layout): New structure.
11355         (Sized_relobj::deferred_layout_): New field.
11356         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
11357         Change all callers.  Layout deferred sections.
11358         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
11359         references.
11360         (Plugin_hook::run): Move code from do_plugin_hook inline.
11361         (Plugin_hook::do_plugin_hook): Remove.
11362         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
11363         (Plugin_manager::finish): Renamed, was cleanup.
11364         (Plugin_manager::should_defer_layout): New function.
11365         (Plugin_manager::add_deferred_layout_object): New function.
11366         (Plugin_manager::Deferred_layout_list): New type.
11367         (Plugin_manager::deferred_layout_objects_): New field.
11368         (Plugin_hook::do_plugin_hook): Remove.
11369
11370 2008-12-17  Ian Lance Taylor  <iant@google.com>
11371
11372         * options.h (class General_options): Add --no case for
11373         --export-dynamic.
11374
11375 2008-12-16  Cary Coutant  <ccoutant@google.com>
11376
11377         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
11378         vector.
11379         (Plugin_manager::claim_file): Create plugin object even if
11380         plugin did not call the add_symbols callback.
11381         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
11382         asking for more symbols than were added.
11383         * testsuite/Makefile.am (plugin_test_1): Add test case with
11384         no global symbols.
11385         (empty.syms): New target.
11386         * testsuite/Makefile.in: Regenerate.
11387         * testsuite/plugin_test.c (claim_file_hook): Add new debug
11388         message. Don't call add_symbols if no globals.
11389         (all_symbols_read_hook): Don't provide replacement for empty
11390         claimed file.
11391
11392 2008-12-12  Ian Lance Taylor  <iant@google.com>
11393
11394         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
11395         r_type == 0 for a local symbol with r_sym == 0.
11396         (scan_relocatable_relocs): Pass r_sym to
11397         local_non_section_strategy.
11398         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
11399         r_sym parameter.
11400
11401         * configure.ac: Update test for TLS descriptors: they are
11402         supported as of glibc 2.9.
11403         * configure: Rebuild.
11404
11405 2008-12-11  Ian Lance Taylor  <iant@google.com>
11406
11407         PR 7091
11408         * target-reloc.h (Default_scan_relocatable_relocs): For each
11409         function, map r_type == 0 to RELOC_DISCARD.
11410
11411 2008-12-10  Cary Coutant  <ccoutant@google.com>
11412
11413         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
11414         object to override a kept COMDAT group from a plugin object.
11415
11416 2008-12-09  Ian Lance Taylor  <iant@google.com>
11417
11418         PR 7088
11419         * yyscript.y (file_cmd): Handle INPUT.
11420
11421         * testsuite/initpri1.c: Change all declarations to be full
11422         prototypes by adding void, to avoid compiler warnings.
11423
11424 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
11425
11426         * options.cc (General_options::parse_plugin_opt): New.
11427         (General_options::add_plugin): The argument now is just the filename.
11428         (General_options::add_plugin_option): New.
11429         * options.h (plugin_opt): New.
11430         (add_plugin): Change argument name.
11431         (add_plugin_option): New.
11432         * plugin.cc (Plugin::load): Don't parse the plugin option.
11433         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
11434         (Plugin::add_option): New.
11435         (Plugin::args_): Change type.
11436         (Plugin::filename_): New.
11437         (Plugin_manager::add_plugin_option): New.
11438         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
11439         * testsuite/Makefile.in: Regenerate.
11440
11441 2008-12-05  Cary Coutant  <ccoutant@google.com>
11442
11443         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
11444         Handle --strip-lto-sections option.
11445         * options.h (strip_lto_sections): New option.
11446
11447 2008-12-01  Cary Coutant  <ccoutant@google.com>
11448
11449         * plugin.cc (ld_plugin_message): Change format parameter to const.
11450         Fix mismatch between new[] and delete.
11451
11452 2008-11-14  Cary Coutant  <ccoutant@google.com>
11453
11454         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
11455         instead of -1U.
11456
11457 2008-11-05  Craig Silverstein  <csilvers@google.com>
11458
11459         * options.cc (General_options::parse_dynamic_list): New function.
11460         * options.h (General_options): New flags dynamic_list,
11461         dynamic_list_data, dynamic_list_cpp_new, and
11462         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
11463         (General_options::in_dynamic_list): New function.
11464         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
11465         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
11466         (Lex::can_continue_name): Likewise.
11467         (yylex): Likewise.
11468         (read_script_file): New parameter script_options.
11469         (read_dynamic_list): New function.
11470         (Script_options::define_dynamic_list): New function.
11471         (dynamic_list_keyword_parsecodes): New variable.
11472         (dynamic_list_keywords): New variable.
11473         * script.h (Script_options::define_dynamic_list): New function
11474         prototype.
11475         (read_dynamic_list): New function prototype.
11476         * symtab.cc (strprefix): New macro.
11477         (Symbol::should_add_dynsym_entry): Support dynamic_list,
11478         dynamic_list_data, dynamic_list_cpp_new, and
11479         dynamic_list_cpp_typeinfo.
11480         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
11481         (dynamic_list_expr): New rule.
11482         (dynamic_list_nodes): Likewise.
11483         (dynamic_list_node): Likewise.
11484         * testsuite/Makefile.am (dynamic_list): New test.
11485         * testsuite/Makefile.in: Regenerated.
11486         * testsuite/dynamic_list.t: New file.
11487         * testsuite/dynamic_list.sh: New file.
11488
11489 2008-11-05  Craig Silverstein  <csilvers@google.com>
11490
11491         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
11492         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
11493         (t11_last): Likewise.
11494         * testsuite/ver_test_6.c (main): Likewise.
11495
11496 2008-10-07  Cary Coutant  <ccoutant@google.com>
11497
11498         * options.c (General_options::finalize): Add check for -static and
11499         -shared.
11500         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
11501         is not empty.
11502
11503 2008-10-02  Cary Coutant  <ccoutant@google.com>
11504
11505         * plugin.cc (make_sized_plugin_object): Fix conditional
11506         compilation to work when not all targets are enabled.
11507
11508 2008-09-29  Cary Coutant  <ccoutant@google.com>
11509
11510         * archive.cc (Archive::get_file_and_offset): Use filename instead
11511         of name to get library path.
11512         (Archive::include_member): Unlock external member of a thin archive.
11513
11514         * testsuite/Makefile.am (TEST_AR): New variable.
11515         (thin_archive_test_1): New test.
11516         (thin_archive_test_2): New test.
11517         * testsuite/Makefile.in: Regenerate.
11518         * testsuite/thin_archive_main.cc: New file.
11519         * testsuite/thin_archive_test_1.cc: New file.
11520         * testsuite/thin_archive_test_2.cc: New file.
11521         * testsuite/thin_archive_test_3.cc: New file.
11522         * testsuite/thin_archive_test_4.cc: New file.
11523
11524 2008-09-29  Cary Coutant  <ccoutant@google.com>
11525
11526         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
11527         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
11528         instead of -1U.
11529         (Sized_relobj::do_finalize_local_symbols): Likewise.
11530         (Sized_relobj::map_to_kept_section): Likewise.
11531         * object.h (Sized_relobj::invalid_address): New constant.
11532         (Sized_relobj::do_output_section_offset): Check for invalid_address
11533         and return -1ULL.
11534         * output.cc (Output_reloc::local_section_offset): Use constant
11535         invalid_address instead of -1U.
11536         (Output_reloc::get_address): Likewise.
11537         (Output_section::output_address): Change -1U to -1ULL.
11538         * output.h (Output_reloc::invalid_address): New constant.
11539         * reloc.cc (Sized_relobj::write_sections): Use constant
11540         invalid_address instead of -1U.
11541         (Sized_relobj::relocate_sections): Likewise.
11542         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
11543         values for merge sections.
11544         * target-reloc.h (relocate_for_relocatable): Use constant
11545         invalid_address instead of -1U.
11546
11547 2008-09-19  Cary Coutant  <ccoutant@google.com>
11548
11549         Add plugin functionality for link-time optimization (LTO).
11550         * configure.ac (plugins): Add --enable-plugins option.
11551         * configure: Regenerate.
11552         * config.in: Regenerate.
11553         * Makefile.am (LIBDL): New variable.
11554         (CCFILES): Add plugin.cc.
11555         (HFILES): Add plugin.h.
11556         (ldadd_var): Add LIBDL.
11557         * Makefile.in: Regenerate.
11558
11559         * archive.cc: Include "plugin.h".
11560         (Archive::setup): Don't preread archive symbols when using a plugin.
11561         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
11562         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
11563         files.
11564         (Archive::include_member): Add symbols from plugin objects.
11565         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
11566         * descriptors.cc (Descriptors::open): Check for file descriptors
11567         abandoned by plugins.
11568         (Descriptors::claim_for_plugin): New function.
11569         * descriptors.h (Descriptors::claim_for_plugin): New function.
11570         (Open_descriptor::is_claimed): New field.
11571         (claim_descriptor_for_plugin): New function.
11572         * fileread.cc (File_read::claim_for_plugin): New function.
11573         * fileread.h (File_read::claim_for_plugin): New function.
11574         (File_read::descriptor): New function.
11575         * gold.cc: Include "plugin.h".
11576         (queue_initial_tasks): Add task to call plugin hooks for generating
11577         new object files.
11578         * main.cc: Include "plugin.h".
11579         (main): Load plugin libraries.
11580         * object.h (Pluginobj): Declare.
11581         (Object::pluginobj): New function.
11582         (Object::do_pluginobj): New function.
11583         (Object::set_target): New function.
11584         * options.cc: Include "plugin.h".
11585         (General_options::parse_plugin): New function.
11586         (General_options::General_options): Initialize plugins_ field.
11587         (General_options::add_plugin): New function.
11588         * options.h (Plugin_manager): Declare.
11589         (General_options): Add --plugin option.
11590         (General_options::has_plugins): New function.
11591         (General_options::plugins): New function.
11592         (General_options::add_plugin): New function.
11593         (General_options::plugins_): New field.
11594         * plugin.cc: New file.
11595         * plugin.h: New file.
11596         * readsyms.cc: Include "plugin.h".
11597         (Read_symbols::do_read_symbols): Check for archive before checking
11598         for ELF file.  Call plugin hooks to claim files.
11599         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
11600         from a real object file; force override when processing replacement
11601         files.
11602         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
11603         (Symbol::init_base_object): Likewise.
11604         (Symbol::init_base_output_data): Likewise.
11605         (Symbol::init_base_output_segment): Likewise.
11606         (Symbol::init_base_constant): Likewise.
11607         (Symbol::init_base_undefined): Likewise.
11608         (Symbol::output_section): Assert that object is not a plugin.
11609         (Symbol_table::add_from_pluginobj): New function.
11610         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
11611         undefined.
11612         (Symbol_table::sized_write_globals): Likewise.
11613         (Symbol_table::add_from_pluginobj): Instantiate template.
11614         * symtab.h (Sized_pluginobj): Declare.
11615         (Symbol::in_real_elf): New function.
11616         (Symbol::set_in_real_elf): New function.
11617         (Symbol::in_real_elf_): New field.
11618         (Symbol_table::add_from_pluginobj): New function.
11619
11620         * testsuite/Makefile.am (AM_CFLAGS): New variable.
11621         (LIBDL): New variable.
11622         (LDADD): Add LIBDL.
11623         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
11624         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
11625         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
11626         (MOSTLYCLEANFILES): Likewise.
11627         * testsuite/Makefile.in: Regenerate.
11628         * testsuite/plugin_test.c: New file.
11629         * testsuite/plugin_test_1.sh: New file.
11630         * testsuite/plugin_test_2.sh: New file.
11631
11632 2008-09-16  Ian Lance Taylor  <iant@google.com>
11633
11634         * target-reloc.h (relocate_section): Check whether a symbol is
11635         defined by the ABI before reporting an undefined symbol error.
11636         * target.h (Target::is_defined_by_abi): Make parameter const.
11637         (Target::do_is_defined_by_abi): Likewise.
11638         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
11639         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
11640         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
11641         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
11642         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
11643         * testsuite/Makefile.in: Rebuild.
11644
11645         * fileread.cc (make_view): Add casts to avoid warning.
11646
11647 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11648
11649         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
11650         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11651
11652 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
11653
11654         * options.h (General_options::output_is_executable): New.
11655         (General_options::output_is_pie): New.
11656         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
11657         for shared libraries.
11658         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
11659
11660 2008-09-11  Chris Demetriou  <cgd@google.com>
11661
11662         * options.h (origin): New -z option.
11663         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
11664         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
11665         in DT_FLAGS_1.
11666
11667 2008-09-05  Cary Coutant  <ccoutant@google.com>
11668
11669         * fileread.cc (File_read::make_view): Add check for attempt to map
11670         beyond end of file.
11671
11672 2008-09-05  Cary Coutant  <ccoutant@google.com>
11673
11674         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
11675         explicit instantiations.
11676
11677 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
11678
11679         PR gold/6858
11680         * options.cc (General_options::finalize): Allow undefined symbols
11681         in shlibs if linking -shared.
11682
11683         PR gold/6859
11684         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
11685         symbols as not needing a dynsym entry.
11686
11687 2008-08-20  Craig Silverstein  <csilvers@google.com>
11688
11689         * fileread.cc (File_read::open): Do not lock the file unless it
11690         was successfully opened.
11691
11692 2008-08-14  Cary Coutant  <ccoutant@google.com>
11693
11694         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
11695         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
11696         * testsuite/tls_test.cc (struct int128): 128-bit struct
11697         for testing TLS relocs with non-zero addend.
11698         (v12): New TLS variable.
11699         (t12): New test.
11700         (t_last): Add check for v12.
11701         * testsuite/tls_test.h (t12): New function.
11702         * testsuite/tls_test_main.cc (thread_routine): Call new test.
11703
11704 2008-08-13  Ian Lance Taylor  <iant@google.com>
11705
11706         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
11707         set tls_segment_ or relro_segment_.
11708         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
11709         when appropriate.
11710         * output.h (Output_section::clear_is_relro): New function.
11711         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
11712         sections specially even when output_data_ is empty.
11713         (Output_segment::maximum_alignment): When first section is relro,
11714         only force alignment for PT_LOAD segments.
11715         * script.cc (script_data_segment_align): New function.
11716         (script_data_segment_relro_end): New function.
11717         * script-c.h (script_data_segment_align): Declare.
11718         (script_data_segment_relro_end): Declare.
11719         * script-sections.h (class Script_sections): Declare
11720         data_segment_align and data_segment_relro_end.  Add fields
11721         segment_align_index_ and saw_relro_end_.
11722         * script-sections.cc (class Sections_element): Add set_is_relro
11723         virtual function.  Add new bool* parameter to place_orphan_here.
11724         Add get_output_section virtual function.
11725         (class Output_section_definition): Add set_is_relro.  Add new
11726         bool* parameter to place_orphan_here.  Add get_output_section.
11727         Add is_relro_ field.
11728         (Output_section_definition::Output_section_definition): Initialize
11729         evaluated_address_, evaluated_load_address, evaluated_addralign_,
11730         and is_relro_ fields.
11731         (Output_section_definition::place_orphan_here): Add is_relro
11732         parameter.
11733         (Output_section_definition::set_section_addresses): Set relro for
11734         output section.
11735         (Output_section_definition::alternate_constraint): Likewise.
11736         (class Orphan_output_section): Add new bool* parameter to
11737         place_orphan_here.  Add get_output_section.
11738         (Orphan_output_section::place_orphan_here): Add is_relro
11739         parameter.
11740         (Script_sections::Script_sections): Initialize
11741         data_segment_align_index_ and saw_relro_end_.
11742         (Script_sections::data_segment_align): New function.
11743         (Script_sections::data_segment_relro_end): New function.
11744         (Script_sections::place_orphan): Set or clear is_relro.
11745         (Script_sections::set_section_addresses): Force alignment of first
11746         TLS section.
11747         * yyscript.y (exp): Call script_data_segment_align and
11748         script_data_segment_relro_end.
11749         * testsuite/relro_script_test.t: New file.
11750         * testsuite/relro_test.cc (using_script): Declare.
11751         (t1, t2): Test using_script.
11752         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
11753         (relro_script_test_SOURCES): Define.
11754         (relro_script_test_DEPENDENCIES): Define.
11755         (relro_script_test_LDFLAGS): Define.
11756         (relro_script_test_LDADD): Define.
11757         (relro_script_test.so): New target.
11758         * testsuite/Makefile.in: Rebuild.
11759
11760 2008-08-06  Cary Coutant <ccoutant@google.com>
11761
11762         * archive.cc (Archive::total_archives, Archive::total_members)
11763         (Archive::total_members_loaded): New variables.
11764         (Archive::setup): Add parameter.  Add option to preread
11765         archive symbols.
11766         (Archive::read_armap): Add counter.
11767         (Archive::get_file_and_offset): New function.
11768         (Archive::get_elf_object_for_member): New function.
11769         (Archive::read_all_symbols): New function.
11770         (Archive::read_symbols): New function.
11771         (Archive::add_symbols): Add counters.
11772         (Archive::include_all_members): Use armap to find members if it's
11773         already built.
11774         (Archive::include_member): Skip reading symbols if already read.
11775         Factored code into Archive::get_file_and_offset and
11776         Archive::get_elf_object_for_member.  Changed call to
11777         Mapfile::report_include_archive_member.
11778         (Archive::print_stats): New function.
11779         * archive.h: Declare Object and Read_symbols_data classes.
11780         (Archive::Archive): Add initializers for new members.
11781         (Archive::setup): Add parameter.
11782         (Archive::print_stats): New function.
11783         (Archive::total_archives, Archive::total_members)
11784         (Archive::total_members_loaded): New variables.
11785         (Archive::get_file_and_offset): New function.
11786         (Archive::get_elf_object_for_member): New function.
11787         (Archive::read_all_symbols): New function.
11788         (Archive::read_symbols): New function.
11789         (Archive::Archive_member): New class.
11790         (Archive::members_): New member.
11791         (Archive::num_members_): New member.
11792         * main.cc: Include archive.h.
11793         (main): Call Archive::print_stats.
11794         * mapfile.cc (Mapfile::report_include_archive_member): Delete
11795         archive parameter; member_name is now the fully-decorated name.
11796         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
11797         * options.h: (General_options): Add --preread-archive-symbols option.
11798         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
11799         Archive::setup.
11800
11801 2008-08-04  Ian Lance Taylor  <iant@google.com>
11802
11803         * symtab.h (Symbol::use_plt_offset): New function.
11804         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
11805         * powerpc.cc (Relocate::relocate): Likewise.
11806         * sparc.cc (Relocate::relocate): Likewise.
11807         * x86_64.cc (Relocate::relocate): Likewise.
11808         * testsuite/weak_plt.sh: New test.
11809         * testsuite/weak_plt_main.cc: New test.
11810         * testsuite/weak_plt_shared.cc: New test.
11811         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
11812         (check_PROGRAMS): Add weak_plt.
11813         (check_DATA): Add weak_plt_shared.so.
11814         (weak_plt_main_pic.o, weak_plt): New targets.
11815         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
11816         * testsuite/Makefile.in: Rebuild.
11817
11818         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
11819         gcctestdir/ld.
11820         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
11821         * testsuite/Makefile.in: Rebuild.
11822
11823 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
11824
11825         * Makefile.am (POTFILES.in): Set LC_ALL=C.
11826         * Makefile.in: Regenerate.
11827         * po/POTFILES.in: Regenerate.
11828
11829 2008-07-29  Ian Lance Taylor  <iant@google.com>
11830
11831         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
11832         symbols before other symbols.
11833         * testsuite/script_test_2.cc (test_addr): Declare.
11834         (test_addr_alias): Declare.
11835         (main): Check that test_addr and test_addr_alias have the right
11836         values.
11837         * testsuite/script_test_2.t: Define test_addr_alias and
11838         test_addr.
11839
11840 2008-07-24  Ian Lance Taylor  <iant@google.com>
11841
11842         PR 5990
11843         * descriptors.cc: New file.
11844         * descriptors.h: New file.
11845         * gold-threads.h (class Hold_optional_lock): New class.
11846         * fileread.cc: Include "descriptors.h".
11847         (File_read::~File_read): Release descriptor rather than closing
11848         it.
11849         (File_read::open) [file]: Call open_descriptor rather than open.
11850         Set is_descriptor_opened_.
11851         (File_read::open) [memory]: Assert that descriptor is not open.
11852         (File_read::reopen_descriptor): New function.
11853         (File_read::release): Release descriptor.
11854         (File_read::do_read): Make non-const.  Reopen descriptor.
11855         (File_read::read): Make non-const.
11856         (File_read::make_view): Reopen descriptor.
11857         (File_read::do_readv): Likewise.
11858         * fileread.h (class File_read): Add is_descriptor_opened_ field.
11859         Update declarations.
11860         * layout.cc: Include "descriptors.h".
11861         (Layout::create_build_id): Use open_descriptor rather than open.
11862         * output.cc: Include "descriptors.h".
11863         (Output_file::open): Use open_descriptor rather than open.
11864         * archive.cc (Archive::const_iterator): Change Archive to be
11865         non-const.
11866         (Archive::begin, Archive::end): Make non-const.
11867         (Archive::count_members): Likewise.
11868         * archive.h (class Archive): Update declarations.
11869         * object.h (Object::read): Make non-const.
11870         * Makefile.am (CCFILES): Add descriptors.cc.
11871         (HFILES): Add descriptors.h.
11872         * Makefile.in: Rebuild.
11873
11874         PR 6716
11875         * gold.h: Always include <clocale>.  Add Solaris workarounds
11876         following code in binutils/sysdep.h.
11877
11878         PR 6048
11879         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
11880         this->eh_frame_hdr_ is NULL before using it.
11881
11882         * dynobj.cc (Versions::Versions): Update comment.
11883
11884         * dynobj.cc (Versions::Versions): If there is an soname, use it as
11885         the base version name.
11886
11887         * stringpool.cc (Stringpool_template::add_with_length): Set key to
11888         array size plus one.
11889         (Stringpool_template::set_string_offsets): Subtract one from key
11890         before using it as an array index.
11891         (Stringpool_template::get_offset_with_length): Likewise.
11892         (Stringpool_template::write_to_buffer): Likewise.
11893         * stringpool.h (Stringpool_template::get_offset_from_key):
11894         Likewise.
11895
11896 2008-07-23  Ian Lance Taylor  <iant@google.com>
11897
11898         PR 6658
11899         * object.h (Merged_symbol_value::value): Do our best to handle a
11900         negative addend.
11901
11902         PR 6647
11903         * script.cc (Version_script_info::get_versions): Don't add empty
11904         version tag to return value.
11905         (Version_script_info::get_symbol_version_helper): Change return
11906         type to bool.  Add pversion parameter.  Change all callers.
11907         (script_register_vers_node): Don't require a non-NULL tag.
11908         * script.h (class Version_script_info): Update declarations.
11909         (Version_script_info::get_symbol_version): Change return type to
11910         bool.  Add version parameter.  Change all callers.
11911         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
11912         handling.  Handle an empty version from a version script.
11913         (Symbol_table::define_special_symbol): Likewise.
11914         * testsuite/ver_test_10.script: New file.
11915         * testsuite/ver_test_10.sh: New file.
11916         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
11917         (check_DATA): Add ver_test_10.syms.
11918         (ver_test_10.syms, ver_test_10.so): New target.
11919         * testsuite/Makefile.in: Rebuild.
11920
11921 2008-07-23  Simon Baldwin  <simonb@google.com>
11922
11923         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
11924         to zero for undefined symbols from dynamic libraries.
11925
11926 2008-07-23  Ian Lance Taylor  <iant@google.com>
11927
11928         * symtab.cc (Symbol_table::resolve): Remove version parameter.
11929         Change all callers.
11930         * symtab.h (class Symbol_table): Update declaration.
11931         * testsuite/ver_test_9.cc: New file.
11932         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
11933         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
11934         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
11935         (ver_test_9.so, ver_test_9.o): New targets.
11936         * testsuite/Makefile.in: Rebuild.
11937
11938 2008-07-22  Ian Lance Taylor  <iant@google.com>
11939
11940         * options.h (class General_options): Define --check-sections.
11941         * layout.cc (Layout::set_segment_offsets): Handle
11942         --check-sections.
11943
11944         * options.h (class General_options): Define -n/--nmagic and
11945         -N/--omagic.
11946         * options.cc (General_options::finalize): For -n/--nmagic or
11947         -N/--omagic, set -static.
11948         * layout.cc (Layout::attach_allocated_section_to_segment): If
11949         -N/--omagic, don't put read-only and read-write sections in
11950         different segments.
11951         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
11952         finding a read-only segment.
11953         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
11954         don't set the minimum segment alignment to the common page size,
11955         and don't set the file offset to the address modulo the page size.
11956         * script-sections.cc (Script_sections::create_segments): If
11957         -n/--omagic, don't put read-only and read-write sections in
11958         different segments.
11959
11960         * cref.cc: New file.
11961         * cref.h: New file.
11962         * options.h (class General_options): Add --print-symbol-counts.
11963         * main.cc (main): Issue defined symbol report if requested.
11964         * archive.cc (Archive::interpret_header): Make into a const member
11965         function.
11966         (Archive::add_symbols): Call Input_objects::archive_start and
11967         archive_stop.
11968         (Archive::const_iterator): Define new class.
11969         (Archive::begin, Archive::end): New functions.
11970         (Archive::include_all_members): Rewrite to use iterator.
11971         (Archive::count_members): New function.
11972         * archive.h (class Archive): Update declarations.
11973         (Archive::filename): New function.
11974         * object.cc: Include "cref.h".
11975         (Sized_relobj::Sized_relobj): Initialize defined_count_.
11976         (Sized_relobj::do_get_global_symbol_counts): New function.
11977         (Input_objects::add_object): Add object to cross-referencer.
11978         (Input_objects::archive_start): New function.
11979         (Input_objects::archive_stop): New function.
11980         (Input_objects::print_symbol_counts): New function.
11981         * object.h: Declare Cref and Archive.
11982         (Object::get_global_symbol_counts): New function.
11983         (Object::do_get_global_symbol_counts): New pure virtual function.
11984         (class Sized_relobj): Add defined_count_ field.  Update
11985         declarations.
11986         (class Input_objects): Add cref_ field.  Update constructor.
11987         Update declarations.
11988         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
11989         defined_count_.
11990         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
11991         symbol counts.
11992         (Sized_dynobj::do_get_global_symbol_counts): New function.
11993         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
11994         defined_count_.  Update declarations.  Define Symbols typedef.
11995         * symtab.cc (Symbol_table::add_from_relobj): Add defined
11996         parameter.  Change all callers.
11997         (Symbol_table::add_from_dynobj): Add sympointers and defined
11998         parameters.  Change all callers.
11999         * symtab.h (class Symbol_table): Update declarations.
12000         * Makefile.am (CCFILES): Add cref.cc.
12001         (HFILES): Add cref.h.
12002         * Makefile.in: Rebuild.
12003
12004 2008-07-22  Simon Baldwin  <simonb@google.com>
12005
12006         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12007         to zero when writing undefined symbols.
12008
12009 2008-07-22  Ian Lance Taylor  <iant@google.com>
12010
12011         * output.cc (Output_section::add_input_section): Don't try to
12012         merge empty merge sections.
12013
12014 2008-07-21  Craig Silverstein  <csilvers@google.com>
12015
12016         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12017         Include symbol version in error message.
12018
12019 2008-07-20  Chris Demetriou  <cgd@google.com>
12020
12021         * configure.ac (gold_cv_c_random_seed): New configured variable.
12022         (RANDOM_SEED_CFLAGS): New substituted variable.
12023         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12024         * configure: Rebuild.
12025         * Makefile.in: Likewise.
12026         * testsuite/Makefile.in: Likewise.
12027
12028 2008-07-18  Ian Lance Taylor  <iant@google.com>
12029
12030         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12031         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12032         * testsuite/ver_test_main.cc (main): Call t4.
12033         (t4, t4_2a): Define.
12034         * testsuite/ver_test_2.cc (t4_2): Define.
12035         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12036         * testsuite/ver_test_4.cc (t4_2a): Define.
12037         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12038         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12039
12040 2008-07-17  Ian Lance Taylor  <iant@google.com>
12041
12042         * dynobj.cc (Versions::add_def): If we give an error about a
12043         missing version, go ahead and create the version anyhow.
12044
12045 2008-07-10  Ian Lance Taylor  <iant@google.com>
12046
12047         Handle output sections with more than 0x7fffffff bytes.
12048         * object.h (class Relobj): Change map_to_output_ to
12049         output_sections_, and just keep a section pointer.  Change all
12050         uses.  Move comdat group support to Sized_relobj.
12051         (Relobj::is_section_specially_mapped): Remove.
12052         (Relobj::output_section): Remove poff parameter.  Change all
12053         callers.
12054         (Relobj::output_section_offset): New function.
12055         (Relobj::set_section_offset): Rewrite.
12056         (Relobj::map_to_output): Remove.
12057         (Relobj::output_sections): New function.
12058         (Relobj::do_output_section_offset): New pure virtual function.
12059         (Relobj::do_set_section_offset): Likewise.
12060         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12061         group support from Relobj.  Update declarations.
12062         (Sized_relobj::get_output_section_offset): New function.
12063         (Sized_relobj::do_output_section_offset): New function.
12064         (Sized_relobj::do_set_section_offset): New function.
12065         * object.cc (Relobj::output_section_address): Remove.
12066         (Sized_relobj::Sized_relobj): Initialize new fields.
12067         (Sized_relobj::include_section_group): Cast find_kept_object to
12068         Sized_relobj.
12069         (Sized_relobj::include_linkonce_section): Likewise.
12070         (Sized_relobj::do_layout): Use separate arrays for output section
12071         and output offset.
12072         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12073         output_sections.
12074         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12075         output_sections and section_offsets.
12076         (Sized_relobj::write_local_symbols): Likewise.
12077         (map_to_kept_section): Compute output address directly.
12078         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12079         output_sections and section_offsets.
12080         (Sized_relobj::write_sections): Likewise.
12081         (Sized_relobj::relocate_sections): Likewise.
12082         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12083         * output.h (class Output_reloc): Update declarations.  Change
12084         u2_.relobj to Sized_relobj*.
12085         (class Output_data_reloc): Change add functions to use
12086         Sized_relobj*.
12087         * output.cc (Output_reloc::Output_reloc): Change relobj to
12088         Sized_relobj*.
12089         (Output_reloc::local_section_offset): Change return type to
12090         Elf_Addr.  Use get_output_section_offset.
12091         (Output_reloc::get_address): Likewise.
12092         (Output_section::is_input_address_mapped): Don't call
12093         is_section_specially_mapped.
12094         (Output_section::output_offset): Likewise.
12095         (Output_section::output_address): Likewise.
12096         (Output_section::starting_output_address): Likewise.
12097         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12098         parameter to Sized_relobj*.
12099         (Copy_relocs::need_copy_reloc): Likewise.
12100         (Copy_relocs::save): Likewise.
12101         * copy-relocs.h (class Copy_relocs): Update declarations.
12102         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12103         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12104         * target-reloc.h (relocate_for_relocatable): Change
12105         offset_in_output_section type to Elf_Addr.  Change code that uses
12106         it as well.
12107         * layout.cc (Layout::layout): Always set *off.
12108         * mapfile.cc (Mapfile::print_input_section): Use
12109         output_section_offset.
12110         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12111         Sized_relobj*.
12112         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12113         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12114         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12115
12116 2008-07-03  Ian Lance Taylor  <iant@google.com>
12117
12118         * layout.cc (Layout::include_section): Do not discard unrecognized
12119         SHT_STRTAB sections.
12120
12121 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12122
12123         * script.cc (Lex::can_continue_name): Make '?' allowable in
12124         version-script names.
12125         * testsuite/version_script.map: Change glob pattern to use '?'
12126
12127 2008-06-30  Manish Singh  <yosh@gimp.org>
12128
12129         PR 6585
12130         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12131         Correct typo.
12132
12133 2008-06-30  Ian Lance Taylor  <iant@google.com>
12134
12135         PR 6660
12136         PR 6682
12137         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12138         versions]: Don't try to read the value in the contents, since we
12139         don't use it.  Use the template endianness when writing.
12140
12141 2008-06-25  Cary Coutant  <ccoutant@google.com>
12142
12143         * fileread.cc (File_read::make_view): Assert on zero-length view.
12144         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12145         symbol table when there are no symbols to read.
12146
12147 2008-06-23  Craig Silverstein  <csilvers@google.com>
12148
12149         * version.cc (version_string): Bump to 1.7
12150
12151 2008-06-18  Craig Silverstein  <csilvers@google.com>
12152
12153         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12154         constant 0xFFFF to type Valtype.
12155         (Powerpc_relocate_functions::rel16_ha): Likewise.
12156
12157 2008-06-17  Ian Lance Taylor  <iant@google.com>
12158
12159         * output.h (Output_section::Input_section): Initialize p2align_ to
12160         zero for Output_section_data constructors.
12161         (Output_section::Input_section::addralign): If not an input
12162         section, return the alignment of the Output_section_data.
12163         * testsuite/copy_test.cc: New file.
12164         * testsuite/copy_test_1.cc: New file.
12165         * testsuite/copy_test_2.cc: New file.
12166         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12167         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12168         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12169         (copy_test_1_pic.o, copy_test_1.so): New targets.
12170         (copy_test_2_pic.o, copy_test_2.so): New targets.
12171         * testsuite/Makefile.in: Rebuild.
12172
12173         * script-sections.cc (Script_sections::place_orphan): Initialize
12174         local variable exact.
12175
12176 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12177
12178         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12179
12180 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12181             David S. Miller  <davem@davemloft.net>
12182
12183         * powerpc.cc: New file.
12184         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12185         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12186         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12187         * Makefile.in: Rebuild.
12188
12189 2008-06-09  Ian Lance Taylor  <iant@google.com>
12190
12191         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12192         <exception>.
12193         (throwing, orig_terminate): New static variables.
12194         (terminate_handler): New static function.
12195         (t2): Set terminate handler.
12196
12197 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12198
12199         PR 6584
12200         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12201         alignment.
12202
12203 2008-05-30  Cary Coutant  <ccoutant@google.com>
12204
12205         * archive.cc (Archive::include_all_members) Correct to step
12206         over symbol table and extended name table in thin archives.
12207
12208 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12209
12210         PR 6407
12211         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12212         calculation.
12213
12214 2008-05-28  Caleb Howe  <cshowe@google.com>
12215
12216         * reduced_debug_output.cc: New file.
12217         * reduced_debug_output.h: New file.
12218         * options.h (class General_options): Add --strip-debug-non-line.
12219         * options.cc (General_options::finalize): Add strip_debug_non_line
12220         to the strip heirarchy.
12221         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12222         fields.
12223         * layout.cc: Include "reduced_debug_output.h".
12224         (Layout::Layout): Initialize new fields.
12225         (line_only_debug_sections): New static array.
12226         (is_lines_only_debug_sections): New static inline function.
12227         (Layout::include_section): Handle --strip-debug-non-line.
12228         (Layout::make_output_section): If --strip-debug-non-line, build
12229         new output sections for .debug_abbrev and .debug_info.
12230         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12231         gold.  Warn about possible overflow.
12232         (read_signed_LEB_128): Likewise.
12233         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12234         (read_signed_LEB_128): Declare.
12235         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12236         (HFILES): Add reduced_debug_output.h.
12237         * Makefile.in: Rebuild.
12238
12239 2008-05-21  Ian Lance Taylor  <iant@google.com>
12240
12241         * mapfile.cc: New file.
12242         * mapfile.h: New file.
12243         * options.h (class General_options): Add -M/--print-map and -Map.
12244         * options.cc (General_options::finalize): Make -M equivalent to
12245         -Map -.
12246         * main.cc: Include <cstdio> and "mapfile.h".
12247         (main): Open mapfile if requested.
12248         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12249         constructor.  Change caller.
12250         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12251         (queue_middle_tasks): Likewise.
12252         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12253         declarations.
12254         * archive.cc: Include "mapfile.h".
12255         (Archive::add_symbols): Add mapfile parameter.  Change all
12256         callers.  Pass mapfile, symbol, and reason to include_member.
12257         (Archive::include_all_members): Add mapfile parameter.  Change all
12258         callers.
12259         (Archive::include_member): Add mapfile, sym, and why parameters.
12260         Change all callers.  Report inclusion to map file.
12261         * archive.h: Include "fileread.h".
12262         (class Archive): Update declarations.
12263         (Archive::file): New const method.
12264         (class Add_archive_symbols): Add mapfile_ field.  Update
12265         constructor.  Change all callers.
12266         * readsyms.h (class Read_symbols): Likewise.
12267         (class Finish_group): Likewise.
12268         (class Read_script): Likewise.
12269         * common.cc: Include "mapfile.h".
12270         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12271         all callers.
12272         (Symbol_table::do_allocate_commons): Likewise.
12273         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12274         symbol allocation to mapfile.
12275         * common.h (class Allocate_commons_task): Add mapfile_ field.
12276         Update constructor.  Change all callers.
12277         * symtab.h (class Symbol_table): Update declarations.
12278         * layout.cc: Include "mapfile.h".
12279         (Layout_task_runner::run): Print information to mapfile.
12280         (Layout::create_gold_note): Change Output_data_fixed_space to
12281         Output_data_zero_fill.
12282         (Layout::create_build_id): Likewise.
12283         (Layout::print_to_mapfile): New function.
12284         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12285         constructor.  Change caller.
12286         (class Layout): Declare print_to_mapfile.
12287         * output.cc (Output_section::Input_section::print_to_mapfile): New
12288         function.
12289         (Output_section::add_input_section): If producing a map, always
12290         add to input_sections_ list.
12291         (Output_section::do_print_to_mapfile): New function.
12292         (Output_segment::print_sections_to_mapfile): New function.
12293         (Output_segment::print_section_list_to_mapfile): New function.
12294         * output.h: Include "mapfile.h".
12295         (Output_data::print_to_mapfile): New function.
12296         (Output_data::do_print_to_mapfile): New virtual function.
12297         (Output_segment_headers::do_print_to_mapfile): New function.
12298         (Output_file_header::do_print_to_mapfile): New function.
12299         (Output_data_const::do_print_to_mapfile): New function.
12300         (class Output_data_const_buffer): Add map_name_ field.  Update
12301         constructor.  Change all callers.  Add do_print_to_mapfile
12302         function.
12303         (class Output_data_fixed_space): Likewise.
12304         (class Output_data_space): Likewise.
12305         (class Output_data_zero_fill): New class.
12306         (Output_data_strtab::do_print_to_mapfile): New function.
12307         (Output_data_reloc_base::do_print_to_mapfile): New function.
12308         (Output_relocatable_relocs::do_print_to_mapfile): New function.
12309         (Output_data_group::do_print_to_mapfile): New function.
12310         (Output_data_got::do_print_to_mapfile): New function.
12311         (Output_data_dynamic::do_print_to_mapfile): New function.
12312         (Output_symtab_xindex::do_print_to_mapfile): New function.
12313         (class Output_section): Declare do_print_to_mapflie.  Declare
12314         print_to_mapfile in Input_section.
12315         (class Output_segment): Declare new functions.
12316         * object.h (Sized_relobj::symbol_count): New function.
12317         * script-sections.cc
12318         (Output_section_element_dot_assignment::set_section_addresses):
12319         Change Output_data_fixed_space to Output_data_zero_fill.
12320         (Output_data_expression::do_print_to_mapfile): New function.
12321         * script.cc (read_input_script): Add mapfile parameter.  Change
12322         all callers.
12323         * script.h (read_input_script): Update declaration.
12324         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
12325         (Eh_frame::do_print_to_mapfile): New function.
12326         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
12327         (Output_merge_string::do_print_to_mapfile): New function.
12328         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
12329         function.
12330         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
12331         function.
12332         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
12333         function.
12334         * Makefile.am (CCFILES): Add mapfile.cc.
12335         (HFILES): Add mapfile.h.
12336         * Makefile.in: Rebuild.
12337
12338 2008-05-19  Ian Lance Taylor  <iant@google.com>
12339
12340         * options.h (class General_options): Add -z relro.
12341         * layout.cc (Layout::Layout): Initialize relro_segment_.
12342         (Layout::add_output_section_data): Return the output section.
12343         (Layout::make_output_section): Rcognize relro sections and mark
12344         them appropriately.
12345         (Layout::attach_allocated_section_to_segment): Put relro sections
12346         in a PT_GNU_RELRO segment.
12347         (Layout::create_initial_dynamic_sections): Mark the .dynamic
12348         section as relro.
12349         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
12350         PT_TLS segments.
12351         (Layout::linkonce_mapping): Map d.rel.ro.local to
12352         .data.rel.ro.local.
12353         (Layout::output_section_name): Us .data.rel.ro.local for any
12354         section which begins with that.
12355         * layout.h (class Layout): Update add_output_section_data
12356         declaration.  Add relro_segment_ field.
12357         * output.cc (Output_section::Output_section): Initialize is_relro_
12358         and is_relro_local_ fields.
12359         (Output_segment::add_output_section): Group relro sections.
12360         (Output_segment::is_first_section_relro): New function.
12361         (Output_segment::maximum_alignment): If there is a relro section,
12362         align the segment to the common page size.
12363         (Output_segment::set_section_addresses): Track whether we are
12364         looking at relro sections.  If the last section is a relro
12365         section, align to the common page size.
12366         (Output_segment::set_section_list_addresses): Add in_relro
12367         parameter.  Change all callers.  Align to the page size when
12368         moving from relro to non-relro section.
12369         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
12370         segment.
12371         * output.h (class Output_section): Add is_relro_ and
12372         is_relro_local_ fields.
12373         (Output_section::is_relro): New function.
12374         (Output_section::set_is_relro): New function.
12375         (Output_section::is_relro_local): New function.
12376         (Output_section::set_is_relro_local): New function.
12377         (class Output_segment): Update declarations.
12378         * i386.cc (Target_i386::got_section): Mark .got section as relro.
12379         * sparc.cc (Target_sparc::got_section): Likewise.
12380         * x86_64.cc (Target_x86_64::got_section): Likewise.
12381         * testsuite/relro_test_main.cc: New file.
12382         * testsuite/relro_test.cc: New file.
12383         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
12384         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
12385         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
12386         (relro_test.so, relro_test_pic.o): New targets.
12387         * testsuite/Makefile.in: Rebuild.
12388
12389 2008-05-16  Ian Lance Taylor  <iant@google.com>
12390
12391         * output.cc (Output_segment::add_output_section): Remove front
12392         parameter.
12393         * output.h (class Output_segment): Remove
12394         add_initial_output_section and overloaded add_output_section.
12395         Update declaration of remaining add_output_section.
12396         * layout.cc (Layout::create_interp): Call add_output_section
12397         rather than add_initial_output_section.
12398         (Layout::finish_dynamic_section): Likewise.
12399
12400         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
12401         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
12402         know the dynamic type.
12403         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
12404         field.  Initialize it in constructor.
12405         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
12406         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
12407         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
12408         reloc.
12409
12410         * output.cc (Output_reloc::get_address): Change return type to
12411         Elf_Addr.
12412         * output.h (class Output_reloc): Update get_address declaration.
12413         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
12414         for section addresses.
12415
12416 2008-05-09  Ian Lance Taylor  <iant@google.com>
12417
12418         PR 6493
12419         * gold.cc (gold_nomem): Use return value of write.
12420
12421 2008-05-08  Ian Lance Taylor  <iant@google.com>
12422
12423         * symtab.c (Symbol::init_base_output_data): Add version
12424         parameter.  Change all callers.
12425         (Symbol::init_base_output_segment): Likewise.
12426         (Symbol::init_base_constant): Likewise.
12427         (Symbol::init_base_undefined): Likewise.
12428         (Sized_symbol::init_output_data): Likewise.
12429         (Sized_symbol::init_output_segment): Likewise.
12430         (Sized_symbol::init_constant): Likewise.
12431         (Sized_symbol::init_undefined): Likewise.
12432         (Symbol_table::do_define_in_output_data): If the new symbol has a
12433         version, mark it as the default.
12434         (Symbol_table::do_define_in_output_segment): Likewise.
12435         (Symbol_table::do_define_as_constant): Likewise.
12436         * symtab.h (class Symbol): Update declarations.
12437         (class Sized_symbol): Likewise.
12438         * resolve.cc (Symbol::override_version): New function.
12439         (Symbol::override_base): Call override_version.
12440         (Symbol::override_base_with_special): Likewise.
12441         * testsuite/ver_script_8.script: New file.
12442         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
12443         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
12444         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
12445         (ver_test_8_1.so, ver_test_8_2.so): New targets.
12446
12447 2008-05-06  Ian Lance Taylor  <iant@google.com>
12448
12449         PR 6049
12450         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
12451         functions.
12452         (class General_options): Remove existing --undefined, and add
12453         --no-undefined instead.  Add new --undefined as synonym for -u.
12454         * archive.cc (Archive::add_symbols): Check whether symbol was
12455         named with -u.
12456         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
12457         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
12458         all uses.  Add IS_UNDEFINED.  Update declarations to split
12459         different versions of init_base.  Declare init_base_undefined.
12460         (Symbol::is_defined): Handle IS_UNDEFINED.
12461         (Symbol::is_undefined): Likewise.
12462         (Symbol::is_weak_undefined): Call is_undefined.
12463         (Symbol::is_absolute): Handle IS_CONSTANT.
12464         (class Sized_symbol): Update declarations to split different
12465         versions of init.  Declare init_undefined.
12466         (class Symbol_table): Declare new functions.
12467         * symtab.cc (Symbol::init_base_object): Rename from init_base.
12468         Change all callers.
12469         (Symbol::init_base_output_data): Likewise.
12470         (Symbol::init_base_output_segment): Likewise.
12471         (Symbol::init_base_constant): Likewise.
12472         (Symbol::init_base_undefined): New function.
12473         (Sized_symbol::init_object): Rename from init.  Change all
12474         callers.
12475         (Sized_symbol::init_output_data): Likewise.
12476         (Sized_symbol::init_output_segment): Likewise.
12477         (Sized_symbol::init_constant): Likewise.
12478         (Sized_symbol::init_undefined): New function.
12479         (Symbol_table::add_undefined_symbols_from_command_line): New
12480         function.
12481         (Symbol_table::do_add_undefined_symbols_from_command_line): New
12482         function.
12483         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
12484         (Symbol::output_section): Likewise.
12485         (Symbol::set_output_section): Likewise.
12486         (Symbol_table::sized_finalize_symbol): Likewise.
12487         (Symbol_table::sized_write_globals): Likewise.
12488         * resolve.cc (Symbol_table::should_override): Likewise.
12489         (Symbol::override_base_with_special): Likewise.
12490
12491         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
12492         symbol, change it to have default visibility.
12493         * testsuite/protected_1.cc: New file.
12494         * testsuite/protected_2.cc: New file.
12495         * testsuite/protected_3.cc: New file.
12496         * testsuite/protected_main_1.cc: New file.
12497         * testsuite/protected_main_2.cc: New file.
12498         * testsuite/protected_main_3.cc: New file.
12499         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
12500         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
12501         (protected_1_LDFLAGS, protected_1_LDADD): Define.
12502         (protected_1.so): New target.
12503         (protected_1_pic.o, protected_2_pic.o): New targets.
12504         (protected_3_pic.o): New target.
12505         (check_PROGRAMS): Add protected_2.
12506         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
12507         (protected_2_LDFLAGS, protected_2_LDADD): Define.
12508         * testsuite/Makefile.in: Rebuild.
12509
12510         * options.h (DEFINE_var): Add set_user_set_##varname__.
12511         (DEFINE_bool_alias): New macro.
12512         (class General_options): Define -Bstatic using DEFINE_bool_alias
12513         rather than DEFINE_special.  Add --undefined as an alias for -z
12514         defs.
12515         * options.cc (General_options::parse_Bstatic): Remove.
12516
12517         * options.h (class General_options): Add --fatal-warnings.
12518         * main.cc (main): Implement --fatal-warnings.
12519         * errors.h (Errors::warning_count): New function.
12520
12521         * options.h (class General_options): Add -Bsymbolic-functions.
12522         * symtab.h (Symbol::is_preemptible): Check for
12523         -Bsymbolic-functions.
12524
12525 2008-05-05  Ian Lance Taylor  <iant@google.com>
12526
12527         * options.h (DEFINE_bool): For DASH_Z, create the negative option
12528         as noVARNAME rather than no-VARNAME.
12529         (class General_options): Add option -z combreloc.
12530         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
12531         get_address.
12532         (Output_reloc::sort_before) [SHT_REL]: New function.
12533         (Output_reloc::sort_before) [SHT_RELA]: New function.
12534         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
12535         Sort_relocs_comparison.
12536         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
12537         parameter.  Change all callers.
12538         (Output_data_reloc::Output_data_reloc) [both versions]: Add
12539         sort_relocs parameter.  Change all callers.
12540         * output.cc (Output_reloc::get_address): New function, broken out
12541         of write_rel.
12542         (Output_reloc::write_rel): Call it.
12543         (Output_reloc::compare): New function.
12544         (Output_data_reloc_base::do_write): Optionally sort relocs.
12545
12546         * configure.ac: If targ_extra_obj is set, link it in.
12547         * configure.tgt: Initialize all variables.
12548         (x86_64*): Set targ_extra_obj and targ_extra_size.
12549         * configure: Rebuild.
12550
12551         * object.cc (Sized_relobj::include_section_group): Adjust section
12552         indexes read from group data.  Build vector to pass to
12553         layout_group.
12554         * layout.cc (Layout::layout_group): Add flags and shndxes
12555         parameters.  Remove contents parameter.  Change caller.  Update
12556         explicit instantiations.
12557         * layout.h (class Layout): Update layout_group declaration.
12558         * output.cc (Output_data_group::Output_data_group): Add flags and
12559         input_shndxes parameters.  Remove contents parameter.  Change
12560         caller.
12561         (Output_data_group::do_write): Change input_sections_ to
12562         input_shndxes_.
12563         * output.h (class Output_data_group): Update constructor
12564         declaration.  Rename input_sections_ to input_shndxes_.
12565         * testsuite/many_sections_test.cc: Add template.
12566
12567 2008-04-30  Cary Coutant  <ccoutant@google.com>
12568
12569         * target-reloc.h (relocate_section): Fix dead-pointer bug.
12570
12571         * layout.cc (Layout::include_section): Refactored check for debug
12572         info section.
12573         (Layout::add_comdat): Add new parameters.  Change type
12574         of signature parameter.  Add object and shndx to signatures table.
12575         (Layout::find_kept_object): New function.
12576         * layout.h: Include <cstring>.
12577         (Layout::is_debug_info_section): New function.
12578         (Layout::add_comdat): Add new parameters.
12579         (Layout::find_kept_object): New function.
12580         (Layout::Kept_section): New struct.
12581         (Layout::Signatures): Change type of map range.
12582         * object.cc (Relobj::output_section_address): New function.
12583         (Sized_relobj::include_section_group): Add new parameters.  Change
12584         calls to Layout::add_comdat.  Change to build table of kept comdat
12585         groups and table mapping discarded sections to kept sections.
12586         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
12587         (Sized_relobj::do_layout): Change calls to include_section_group and
12588         include_linkonce_section.
12589         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
12590         value to zero when section is discarded.
12591         (Sized_relobj::map_to_kept_section): New function.
12592         * object.h (Relobj::output_section_address): New function.
12593         (Relobj::Comdat_group): New type.
12594         (Relobj::find_comdat_group): New function.
12595         (Relobj::Comdat_group_table): New type.
12596         (Relobj::Kept_comdat_section): New type.
12597         (Relobj::Kept_comdat_section_table): New type.
12598         (Relobj::add_comdat_group): New function.
12599         (Relobj::set_kept_comdat_section): New function.
12600         (Relobj::get_kept_comdat_section): New function.
12601         (Relobj::comdat_groups_): New field.
12602         (Relobj::kept_comdat_sections_): New field.
12603         (Symbol_value::input_value): Update comment.
12604         (Sized_relobj::map_to_kept_section) New function.
12605         (Sized_relobj::include_linkonce_section): Add new parameter.
12606         * target-reloc.h (Comdat_behavior): New type.
12607         (get_comdat_behavior): New function.
12608         (relocate_section): Add code to map a discarded section to the
12609         corresponding kept section when applying a relocation.
12610
12611 2008-04-30  Craig Silverstein  <csilvers@google.com>
12612
12613         * dwarf_reader.cc (next_generation_count): New static var.
12614         (Addr2line_cache_entry): New struct.
12615         (addr2line_cache): New static var.
12616         (Dwarf_line_info::one_addr2line): Added caching.
12617         (Dwarf_line_info::clear_addr2line_cache): New function.
12618         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
12619         cache-size parameter.
12620         (Dwarf_line_info::one_addr2line_cache): New function.
12621         * symtab.cc (Symbol_table::detect_odr_violations): Pass
12622         new cache-size argument to one_addr2line(), and clear cache.
12623
12624 2008-04-28  Cary Coutant  <ccoutant@google.com>
12625
12626         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
12627         R_386_PC8 relocations.
12628
12629 2008-04-23  Ian Lance Taylor  <iant@google.com>
12630
12631         * object.cc (Sized_relobj::include_section_group): Check for
12632         invalid section group.
12633
12634         * object.cc (make_elf_object): Correct test for 64-bit ELF file
12635         header size.
12636
12637         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
12638         than read for file header.
12639         * archive.cc (Archive::include_member): Likewise.
12640
12641 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
12642
12643         * aclocal.m4: Regenerate.
12644         * configure: Regenerate.
12645
12646 2008-04-19  Ian Lance Taylor  <iant@google.com>
12647
12648         * version.cc (version_string): Bump to 1.6.
12649
12650         * testsuite/Makefile.am (many_sections_r_test): New target.
12651         (many_sections_r_test_SOURCES): Remove.
12652         (many_sections_r_test_DEPENDENCIES): Remove.
12653         (many_sections_r_test_LDFLAGS): Remove.
12654         (many_sections_r_test_LDADD): Remove.
12655
12656         * object.cc (Sized_relobj::do_add_symbols): Always pass
12657         local_symbol_count_ to add_from_relobj.
12658
12659         * testsuite/Makefile.am (many_sections_check.h): Only check one in
12660         every thousand variables.
12661         * testsuite/Makefile.in: Rebuild.
12662
12663         * object.cc (Xindex::initialize_symtab_xindex): New function.
12664         (Xindex::read_symtab_xindex): New function.
12665         (Xindex::sym_xindex_to_shndx): New function.
12666         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
12667         available.
12668         (Sized_relobj::do_initialize_xindex): New function.
12669         (Sized_relobj::do_read_symbols): Adjust section links.
12670         (Sized_relobj::symbol_section_and_value): Add is_ordinary
12671         parameter.  Change all callers.
12672         (Sized_relobj::include_section_group): Adjust section links and
12673         symbol section indexes.
12674         (Sized_relobj::do_layout): Adjust section links.
12675         (Sized_relobj::do_count_local_symbols): Adjust section links and
12676         symbol section indexes.
12677         (Sized_relobj::do_finalize_local_symbols): Distinguish between
12678         ordinary and special symbols.
12679         (Sized_relobj::write_local_symbols): Add symtab_xindex and
12680         dynsym_xindex parameters.  Change all callers.  Adjust section
12681         links.  Use SHN_XINDEX when needed.
12682         (Sized_relobj::get_symbol_location_info): Adjust section links.
12683         Don't get fooled by special symbols.
12684         * object.h (class Xindex): Define.
12685         (class Object): Add xindex_ parameter.  Declare virtual functoin
12686         do_initialize_xindex.
12687         (Object::adjust_sym_shndx): New function.
12688         (Object::set_xindex): New protected function.
12689         (class Symbol_value): Add is_ordinary_shndx_ field.
12690         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
12691         (Symbol_value::value): Assert ordinary section.
12692         (Symbol_value::initialize_input_to_output_map): Likewise.
12693         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
12694         Change all callers.
12695         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
12696         all callers.
12697         (class Sized_relobj): Update declarations.
12698         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
12699         parameter.  Change all callers.
12700         (Sized_relobj::adjust_shndx): New function.
12701         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
12702         field.
12703         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
12704         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
12705         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
12706         (Sized_dynobj::read_dynsym_section): Adjust section links.
12707         (Sized_dynobj::read_dynamic): Likewise.
12708         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
12709         section links.
12710         (Sized_dynobj::do_initialize_xindex): New function.
12711         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
12712         do_initialize_xindex.
12713         (Sized_dynobj::adjust_shndx): New function.
12714         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
12715         dynsym_xindex_ fields.
12716         (Layout::finalize): Add a call to set_section_indexes before
12717         creating the symtab sections.
12718         (Layout::set_section_indexes): Don't do anything if the section
12719         already has a section index.
12720         (Layout::create_symtab_sections): Add shnum parameter.  Change
12721         caller.  Create .symtab_shndx section if needed.
12722         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
12723         caller.
12724         (Layout::allocated_output_section_count): New function.
12725         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
12726         needed.
12727         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
12728         fields.  Update declarations.
12729         (Layout::symtab_xindex): New function.
12730         (Layout::dynsym_xindex): New function.
12731         (class Write_symbols_task): Add layout_ field.
12732         (Write_symbols_task::Write_symbols_task): Add layout parameter.
12733         Change caller.
12734         * output.cc (Output_section_headers::Output_section_headers): Add
12735         shstrtab_section parameter.  Change all callers.
12736         (Output_section_headers::do_sized_write): Store overflow values
12737         for section count and section string table section index in
12738         section header zero.
12739         (Output_file_header::do_sized_write): Check for overflow of
12740         section count and section string table section index.
12741         (Output_symtab_xindex::do_write): New function.
12742         (Output_symtab_xindex::endian_do_write): New function.
12743         * output.h (class Output_section_headers): Add shstrtab_section_.
12744         Update declarations.
12745         (class Output_symtab_xindex): Define.
12746         (Output_section::has_out_shndx): New function.
12747         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
12748         field.
12749         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
12750         Change all callers.
12751         (Sized_symbol::init): Likewise.
12752         (Symbol::output_section): Check for ordinary symbol.
12753         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
12754         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
12755         callers.
12756         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
12757         Change all callers.  Simplify handling of symbols from sections
12758         not included in the link.
12759         (Symbol_table::add_from_dynobj): Handle ordinary symbol
12760         distinction.
12761         (Weak_alias_sorter::operator()): Assert that symbols are
12762         ordinary.
12763         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
12764         distinction.
12765         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
12766         parameters.  Change all callers.
12767         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
12768         symbol distinction.  Use SHN_XINDEX when needed.
12769         (Symbol_table::write_section_symbol): Add symtab_xindex
12770         parameter.  Change all callers.
12771         (Symbol_table::sized_write_section_symbol): Likewise.  Use
12772         SHN_XINDEX when needed.
12773         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
12774         declarations.
12775         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
12776         (Symbol::is_defined): Check is_ordinary.
12777         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
12778         (Symbol::is_absolute, Symbol::is_common): Likewise.
12779         (class Sized_symbol): Update declarations.
12780         (class Symbol_table): Update declarations.
12781         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
12782         parameters.  Change all callers.
12783         (Sized_symbol::override): Likewise.
12784         (Symbol_table::override): Likewise.
12785         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
12786         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
12787         is_ordinary, and orig_st_shndx parameters.  Change all callers.
12788         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
12789         to be in an ordinary section.
12790         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
12791         object and is_ordinary parameters.  Change all callers.
12792         (Sized_dwarf_line_info::read_relocs): Add object parameter.
12793         Change all callers.  Don't add undefined or non-ordinary symbols
12794         to reloc_map_.
12795         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
12796         Change all callers.
12797         * dwarf_reader.h (class Sized_dwarf_line_info): Update
12798         declarations.
12799         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
12800         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
12801         (Sized_relobj::relocate_sections): Likewise.
12802         * target-reloc.h (scan_relocs): Adjust section symbol index.
12803         (scan_relocatable_relocs): Likewise.
12804         * i386.cc (Scan::local): Check for ordinary symbols.
12805         * sparc.cc (Scan::local): Likewise.
12806         * x86_64.cc (Scan::local): Likewise.
12807         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
12808         to symbol_section_and_value.
12809         * testsuite/many_sections_test.cc: New file.
12810         * testsuite/Makefile.am (BUILT_SOURCES): Define.
12811         (check_PROGRAMS): Add many_sections_test.
12812         (many_sections_test_SOURCES): Define.
12813         (many_sections_test_DEPENDENCIES): Define.
12814         (many_sections_test_LDFLAGS): Define.
12815         (BUILT_SOURCES): Add many_sections_define.h.
12816         (many_sections_define.h): New target.
12817         (BUILT_SOURCES): Add many_sections_check.h.
12818         (many_sections_check.h): New target.
12819         (check_PROGRAMS): Add many_sections_r_test.
12820         (many_sections_r_test_SOURCES): Define.
12821         (many_sections_r_test_DEPENDENCIES): Define.
12822         (many_sections_r_test_LDFLAGS): Define.
12823         (many_sections_r_test_LDADD): Define.
12824         (many_sections_r_test.o): New target.
12825         * testsuite/Makefile.in: Rebuild.
12826
12827 2008-04-17  Cary Coutant  <ccoutant@google.com>
12828
12829         * errors.cc (Errors::info): New function.
12830         (gold_info): New function.
12831         * errors.h (Errors::info): New function.
12832         * gold.h (gold_info): New function.
12833         * object.cc (Input_objects::add_object): Print trace output.
12834         * options.cc (options::parse_set): New function.
12835         (General_options::parse_wrap): Deleted.
12836         (General_options::General_options): Deleted initializer.
12837         * options.h (options::String_set): New typedef.
12838         (options::parse_set): New function.
12839         (DEFINE_set): New macro.
12840         (General_options::wrap): Changed to use DEFINE_set. Changed
12841         callers of any_wrap_symbols and is_wrap_symbol.
12842         (General_options::trace, General_options::trace_symbol):
12843         New options.
12844         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
12845         (General_options::wrap_symbols_): Deleted.
12846         * symtab.cc (Symbol_table::add_from_object): Print trace output.
12847
12848 2008-04-17  David S. Miller  <davem@davemloft.net>
12849
12850         * options.cc (General_options::parse_V): New function.
12851         * options.h: Add entries for -V and -Qy.
12852
12853 2008-04-17  Ian Lance Taylor  <iant@google.com>
12854
12855         * common.cc (Symbol_table::allocate_commons): Remove options
12856         parameter.  Change caller.
12857         (Symbol_table::do_allocate_commons): Remove options parameter.
12858         Change caller.  Just call do_allocate_commons_list twice.
12859         (Symbol_table::do_allocate_commons_list): New function, broken out
12860         of do_allocate_commons.
12861         * common.h (class Allocate_commons_task): Remove options_ field.
12862         Update constructor.
12863         * symtab.cc (Symbol_table::Symbol_table): Initialize
12864         tls_commons_.
12865         (Symbol_table::add_from_object): Put TLS common symbols on
12866         tls_commons_ list.
12867         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
12868         which are IN_OUTPUT_DATA.
12869         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
12870         allocate_commons and do_allocate_commons declarations.  Declare
12871         do_allocate_commons_list.
12872         * gold.cc (queue_middle_tasks): Update creation of
12873         Allocate_commons_task to not pass options.
12874         * testsuite/Makefile.am (INCLUDES): Add -I.. .
12875         (TLS_TEST_C_FLAGS): New variable.
12876         (tls_test_c_pic.o): New target.
12877         (tls_test_shared.so): Link in tls_test_c_pic.o.
12878         (tls_test_c_pic_ie.o): New target.
12879         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
12880         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
12881         (tls_test_c.o): New target.
12882         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
12883         (tls_pic_test_LDADD): Likewise.
12884         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
12885         (tls_shared_gd_to_ie_test_LDADD): Likewise.
12886         (tls_test_c_gnu2.o): New target.
12887         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
12888         tls_test_c_gnu2.o.
12889         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
12890         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
12891         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
12892         * testsuite/tls_test.cc: Include "config.h".
12893         (t_last): Call t11_last.
12894         * testsuite/tls_test.h (t11, t11_last): Declare.
12895         * testsuite/tls_test_c.c: New file.
12896         * testsuite/tls_test_main.cc (thread_routine): Call t11.
12897         * configure.ac: Check for OpenMP support.
12898         * configure, config.in, Makefile.in: Rebuild.
12899         * testsuite/Makefile.in: Rebuild.
12900
12901 2008-04-16  Cary Coutant  <ccoutant@google.com>
12902
12903         * i386.cc (Target_i386::define_tls_base_symbol): New function.
12904         (Target_i386::tls_base_symbol_defined_): New field.
12905         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12906         (Target_i386::Scan::global): Likewise.
12907         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
12908         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
12909         (Target_x86_64::tls_base_symbol_defined_): New field.
12910         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
12911         (Target_x86_64::Scan::global): Likewise.
12912
12913 2008-04-16  Cary Coutant  <ccoutant@google.com>
12914
12915         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
12916         (Symbol::needs_plt_entry): Allow weak undefined symbols.
12917         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
12918         building shared libraries.
12919         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
12920         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
12921         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
12922         * testsuite/Makefile.in: Rebuild.
12923         * testsuite/weak_undef.h: New file.
12924         * testsuite/weak_undef_file1.cc: Add extra test cases.
12925         * testsuite/weak_undef_file2.cc: Likewise.
12926         * testsuite/weak_undef_test.cc: Likewise.
12927
12928 2008-04-16  David S. Miller  <davem@davemloft.net>
12929
12930         * sparc.cc (Target_sparc::Scan): Change from struct to class.
12931         Add issued_non_pic_error_ field.  Declare check_non_pic.
12932         (Target_sparc::Scan::check_non_pic): New function.
12933         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
12934         (Target_sparc::Scan::global): Likewise.
12935
12936         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
12937         * configure: Rebuild.
12938
12939         * options.h (DEFINE_enable): New macro.
12940         (new_dtags): New enable option.
12941         (initfirst, interpose, loadfltr, nodefaultlib,
12942         nodelete, nodlopen, nodump): New -z options.
12943         * layout.cc (Layout:finish_dynamic_section): If new
12944         dtags enabled, emit DT_RUNPATH.  Also, emit a
12945         DT_FLAGS_1 containing any specified -z flags.
12946
12947 2008-04-16  Ian Lance Taylor  <iant@google.com>
12948
12949         * copy-relocs.cc: New file.
12950         * copy-relocs.h: New file.
12951         * reloc.cc: Remove Copy_relocs code.
12952         * reloc.h: Likewise.
12953         * reloc-types.h (struct Reloc_types) [both versions]: Add
12954         get_reloc_addend_noerror.
12955         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
12956         variants of add_global which take an addend which must be zero.
12957         * i386.cc: Include "copy-relocs.h".
12958         (class Target_i386): Change type of copy_relocs_ to variable,
12959         update initializer.
12960         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
12961         Change all callers.
12962         (Target_i386::do_finalize_sections): Change handling of
12963         copy_relocs_.
12964         * sparc.cc: Include "copy-relocs.h".
12965         (class Target_sparc): Change type of copy_relocs_ to variable,
12966         update initializer.
12967         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
12968         Change all callers.
12969         (Target_sparc::do_finalize_sections): Change handling of
12970         copy_relocs_.
12971         * x86_64.cc: Include "copy-relocs.h".
12972         (class Target_x86_64): Change type of copy_relocs_ to variable,
12973         update initializer.
12974         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
12975         class.  Change all callers.
12976         (Target_x86_64::do_finalize_sections): Change handling of
12977         copy_relocs_.
12978         * Makefile.am (CCFILES): Add copy-relocs.cc.
12979         (HFILES): Add copy-relocs.h.
12980
12981         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
12982
12983         * testsuite/script_test_4.sh: Permit leading zeroes.
12984
12985 2008-04-15  Ian Lance Taylor  <iant@google.com>
12986
12987         * script-sections.cc (Script_sections::create_segments): Use
12988         header_size_adjustment even when there is enough room for the
12989         headers.
12990         * testsuite/script_test_4.sh: New file.
12991         * testsuite/script_test_4.t: New file.
12992         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
12993         (check_DATA): Add script_test_4.stdout.
12994         (MOSTLYCLEANFILES): Likewise.
12995         (script_test_4): New target.
12996         (script_test_4.stdout): New target.
12997         * testsuite/Makefile.in: Rebuild.
12998
12999         * sparc.cc: Add definitions for Output_data_plt_sparc class
13000         constants.
13001
13002 2008-04-14  David S. Miller  <davem@davemloft.net>
13003
13004         * sparc.cc: New file.
13005         * Makefile.am (TARGETSOURCES): Add sparc.cc
13006         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13007         * configure.tgt: Document targ_extra_size and
13008         targ_extra_big_endian.  Add entries for sparc-* and
13009         sparc64-*.
13010         * configure.ac: Handle targ_extra_size and
13011         targ_extra_big_endian.
13012         * Makefile.in: Rebuild.
13013         * configure: Likewise.
13014         * po/POTFILES.in: Likewise.
13015         * po/gold.pot: Likewise.
13016
13017 2008-04-14  Ian Lance Taylor  <iant@google.com>
13018
13019         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13020         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13021         in the name/type/flags to section mapping.  Don't call
13022         allocate_output_section.
13023         (Layout::choose_output_section): Change parameter from adjust_name
13024         to is_input_section.  Don't permit input sections after sections
13025         are attached to segments.  Don't call allocate_output_section.
13026         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13027         not write_enable_output_section.
13028         (Layout::make_output_section): Don't push to
13029         unattached_section_list_ nor call attach_to_segment.  Call
13030         attach_section_to_segment if sections are attached.
13031         (Layout::attach_sections_to_segments): New function.
13032         (Layout::attach_section_to_segment): New function.
13033         (Layout::attach_allocated_section_to_segment): Rename from
13034         attach_to_segment.  Remove flags parameter.
13035         (Layout::allocate_output_section): Remove function.
13036         (Layout::write_enable_output_section): Remove function.
13037         * layout.h (class Layout): Update for above changes.  Add new
13038         field sections_are_attached_.
13039         * output.h (Output_section::update_flags_for_input_section): New
13040         function.
13041         * output.cc (Output_section::add_input_section): Call
13042         update_flags_for_input_section.
13043         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13044
13045 2008-04-11  Cary Coutant  <ccoutant@google.com>
13046
13047         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13048         thought unnecessary.
13049         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13050
13051 2008-04-11  Ian Lance Taylor  <iant@google.com>
13052
13053         * output.h (class Output_section_data): Remove inline definition
13054         of set_addralign.
13055         * output.cc (Output_section_data::set_addralign): New function.
13056
13057 2008-04-11  Cary Coutant  <ccoutant@google.com>
13058
13059         Add support for TLS descriptors for i386 and x86_64.
13060         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13061         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13062         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13063         GOT_TYPE_TLS_DESC.
13064         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13065         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13066         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13067         relocations.
13068         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13069         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13070         Fix problem with initial-exec relocations.
13071         (Target_i386::Relocate::relocate_tls): Likewise.
13072         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13073         relaxation.
13074         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13075         support for section-plus-offset dynamic table entries.
13076         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13077         (Output_data_dynamic::Dynamic_entry): Add support for
13078         section-plus-offset dynamic table entries.
13079         (Output_data_dynamic::Classification): Likewise.
13080         (Output_data_dynamic::classification_): Renamed offset_.
13081         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13082         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13083         (Target_x86_64::make_plt_section): New function.
13084         (Target_x86_64::reserve_tlsdesc_entries): New function.
13085         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13086         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13087         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13088         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13089         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13090         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13091         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13092         add extra PLT entry for TLS descriptors.
13093         (Output_data_plt_x86_64::got_): New field.
13094         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13095         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13096         fields.
13097         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13098         descriptors.
13099         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13100         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13101         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13102         R_386_TLS_DESC_CALL relocations.
13103         (Target_x86_64::Scan::global): Likewise.
13104         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13105         for TLS descriptors.
13106         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13107         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13108         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13109         GD-to-IE relaxation.
13110         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13111         and TLS_DESCRIPTORS.
13112         * Makefile.in: Rebuild.
13113         * configure: Rebuild.
13114         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13115         (tls_test_shared2.so): New target.
13116         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13117         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13118         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13119         (tls_shared_gd_to_ie_test_LDADD): New variable.
13120         (tls_shared_gnu2_gd_to_ie_test): New target.
13121         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13122         New targets.
13123         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13124         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13125         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13126         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13127         (tls_shared_gnu2_test): New target.
13128         (tls_test_gnu2_shared.so): New target.
13129         (tls_shared_gnu2_test_SOURCES): New variable.
13130         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13131         (tls_shared_gnu2_test_LDFLAGS): New variable.
13132         (tls_shared_gnu2_test_LDADD): New variable.
13133         * testsuite/Makefile.in: Rebuild.
13134         * testsuite/Makefile.
13135
13136 2008-04-11  Ian Lance Taylor  <iant@google.com>
13137
13138         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13139         justsyms.t.
13140         * testsuite/Makefile.in: Rebuild.
13141
13142         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13143         long.
13144         * testsuite/script_test_2.cc (main): Adjust test.
13145
13146 2008-04-11  David S. Miller  <davem@davemloft.net>
13147             Ian Lance Taylor  <iant@google.com>
13148
13149         * options.h (General_options): Add entries for '-Y' and
13150         '-relax'.
13151         * options.cc (General_options:finalize): If -Y was used, add those
13152         entries to the library path instead of the default "/lib" and
13153         "/usr/lib".
13154
13155 2008-04-11  David S. Miller  <davem@davemloft.net>
13156
13157         * testsuite/justsyms.t: Start at 0x100.
13158         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13159         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13160         long.
13161         * testsuite/script_test_2.cc: Adjust string and section length
13162         checks.
13163
13164 2008-04-09  Ian Lance Taylor  <iant@google.com>
13165
13166         PR gold/5996
13167         * script-sections.cc (Sections_element::allocate_to_segment): Add
13168         orphan parameter.
13169         (Output_section_definition::allocate_to_segment): Likewise.
13170         (Orphan_output_section::allocate_to_segment): Likewise.
13171         (Script_sections::attach_sections_using_phdrs_clause): Don't
13172         propagate non-PT_LOAD segments to orphan sections.
13173         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13174         readelf rather than objdump.
13175         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13176         .interp section and PT_INTERP segment are the same size.
13177         * testsuite/Makefile.in: Rebuild.
13178
13179         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13180         aliases for symbols defined in the same object.
13181         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13182         (weak_alias_test_SOURCES): New variable.
13183         (weak_alias_test_DEPENDENCIES): New variable.
13184         (weak_alias_test_LDFLAGS): New variable.
13185         (weak_alias_test_LDADD): New variable.
13186         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13187         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13188         (weak_alias_test_3.o): New target.
13189         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13190         * testsuite/weak_alias_test_main.cc: New file.
13191         * testsuite/weak_alias_test_1.cc: New file.
13192         * testsuite/weak_alias_test_2.cc: New file.
13193         * testsuite/weak_alias_test_3.cc: New file.
13194
13195 2008-04-08  Ian Lance Taylor  <iant@google.com>
13196
13197         * options.h (class General_options): Add --noinhibit-exec option.
13198         * main.cc (main): Check --noinhibit-exec.
13199
13200         * options.h (class General_options): Define --wrap as a special
13201         option.  Add wrap_symbols_ field.
13202         (General_options::any_wrap_symbols): New function.
13203         (General_options::is_wrap_symbol): New function.
13204         * options.cc (General_options::parse_wrap): New function.
13205         (General_options::General_options): Initialize wrap_symbols_.
13206         * symtab.cc (Symbol_table::wrap_symbol): New function.
13207         (Symbol_table::add_from_object): Handle --wrap.
13208         * symtab.h (class Symbol_table): Declare wrap_symbol.
13209         * target.h (Target::wrap_char): New function.
13210         (Target::Target_info): Add wrap_char field.
13211         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13212         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13213         * testsuite/testfile.cc (Target_test::test_target_info):
13214         Likewise.
13215
13216         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13217         there is one.
13218
13219         * layout.h (class Layout): Add added_eh_frame_data_ field.
13220         * layout.cc (Layout::Layout): Initialize new field.
13221         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13222         output section until we find a section we merged successfully.
13223         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13224         that the size be non-zero.
13225
13226         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13227         qualifier.
13228
13229 2008-04-08  Craig Silverstein  <csilvers@google.com>
13230
13231         * configure.ac: Export new conditional variable HAVE_ZLIB.
13232         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13233         on HAVE_ZLIB.
13234         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13235         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13236
13237 2008-04-07  Ian Lance Taylor  <iant@google.com>
13238
13239         * version.cc (version_string): Set to "1.5".
13240
13241         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13242         Add issued_non_pic_error_ field.  Declare check_non_pic.
13243         (Target_x86_64::Scan::check_non_pic): New function.
13244         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13245         (Target_x86_64::Scan::global): Likewise.
13246
13247         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13248         addend parameter.  Change caller.  Handle merge sections.
13249         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13250         Address to Addend.  Don't add in the result of
13251         local_section_offset, pass down the addend and use the returned
13252         value.
13253         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13254         Update declarations of local_section_offset and symbol_value.
13255         * testsuite/two_file_test_1.cc (t18): New function.
13256         * testsuite/two_file_test_2.cc (f18): New function.
13257         * testsuite/two_file_test_main.cc (main): Call t18.
13258         * testsuite/two_file_test.h (t18, f18): Declare.
13259
13260         * configure.ac: Don't test for objdump, c++filt, or readelf.
13261         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13262         conditionals.
13263         (TEST_READELF): New variable.
13264         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13265         (check_PROGRAMS): Add two_file_strip_test.
13266         (two_file_strip_test): New target.
13267         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13268         (two_file_same_shared_strip_test_SOURCES): New variable.
13269         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13270         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13271         (two_file_same_shared_strip_test_LDADD): New variable.
13272         (two_file_shared_strip.so): New target.
13273         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13274         (ver_test_5.syms, ver_test_7.syms): Likewise.
13275         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13276         (strip_test_3.stdout): Use TEST_OBJDUMP.
13277         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13278
13279 2008-04-04  Cary Coutant  <ccoutant@google.com>
13280
13281         * symtab.h (Symbol::is_weak_undefined): New function.
13282         (Symbol::is_strong_undefined): New function.
13283         (Symbol::is_absolute): New function.
13284         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13285         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13286         absolute symbols.
13287         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13288         (weak_undef_test): New target.
13289         * testsuite/Makefile.in: Rebuild.
13290         * testsuite/weak_undef_file1.cc: New file.
13291         * testsuite/weak_undef_file2.cc: New file.
13292         * testsuite/weak_undef_test.cc: New file.
13293
13294 2008-04-03  Craig Silverstein  <csilvers@google.com>
13295
13296         * compressed_output.h (class Output_compressed_section): Use
13297         unsigned buffer.
13298         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13299         add zlib header.
13300         (zlib_compressed_suffix): Removed.
13301         (Output_compressed_section::set_final_data_size): Use unsigned
13302         buffers.
13303         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13304         Fix linker invocation.
13305         (flagstest_o_specialfile_and_compress_debug_sections):
13306         Likewise.
13307         * testsuite/Makefile.in: Regenerated.
13308
13309 2008-04-02  David S. Miller  <davem@davemloft.net>
13310
13311         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
13312         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
13313
13314 2008-04-02  Craig Silverstein  <csilvers@google.com>
13315
13316         * TODO: New file.
13317
13318 2008-04-02  Ian Lance Taylor  <iant@google.com>
13319
13320         * fileread.cc (File_read::find_view): Add byteshift and vshifted
13321         parameters.  Update for new key type to views_.  Change all
13322         callers.
13323         (File_read::read): Adjust for byteshift in returned view.
13324         (File_read::add_view): New function, broken out of
13325         find_and_make_view.
13326         (File_read::make_view): New function, broken out of
13327         find_and_make_view.
13328         (File_read::find_or_make_view): Add offset and aligned
13329         parameters.  Rewrite accordingly.  Change all callers.
13330         (File_read::get_view): Add offset and aligned parameters.  Adjust
13331         for byteshift in return value.
13332         (File_read::get_lasting_view): Likewise.
13333         * fileread.h (class File_read): Update declarations.
13334         (class File_read::View): Add byteshift_ field.  Add byteshift to
13335         constructor.  Add byteshift method.
13336         * archive.h (Archive::clear_uncached_views): New function.
13337         (Archive::get_view): Add aligned parameter.  Change all callers.
13338         * object.h (Object::get_view): Add aligned parameter.  Change all
13339         callers.
13340         (Object::get_lasting_view): Likewise.
13341
13342         * fileread.cc (File_read::release): Don't call clear_views if
13343         there are multiple objects.
13344         * fileread.h (File_read::clear_uncached_views): New function.
13345         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
13346         on the archive.
13347
13348 2008-03-31  Cary Coutant  <ccoutant@google.com>
13349
13350         Add thin archive support.
13351         * archive.cc (Archive::armagt): New const.
13352         (Archive::setup): Remove task parameter and calls to unlock.
13353         (Archive::unlock_nested_archives): New function.
13354         (Archive::read_header): Add nested_off parameter. Change
13355         all callers.
13356         (Archive::interpret_header): Likewise.
13357         (Archive::include_all_members): Change to handle thin
13358         archives.
13359         (Archive::include_member): Likewise.
13360         * archive.h (Archive::Archive): Add new parameters and
13361         initializers.
13362         (Archive::armagt): New const.
13363         (Archive::setup): Remove task parameter.
13364         (Archive::unlock_nested_archives): New function.
13365         (Archive::read_header): Add nested_off parameter.
13366         (Archive::interpret_header): Likewise.
13367         (Archive::Nested_archive_table): New typedef.
13368         (Archive::is_thin_archive_): New field.
13369         (Archive::nested_archives_): New field.
13370         (Archive::options_): New field.
13371         (Archive::dirpath_): New field.
13372         (Archive::task_): New field.
13373         * readsyms.cc (Read_symbols::do_read_symbols): Add check
13374         for thin archives.  Pass additional parameters to
13375         Archive::Archive.  Unlock the archive file after calling
13376         Archive::setup.
13377
13378 2008-03-29  Ian Lance Taylor  <iant@google.com>
13379
13380         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
13381         version symbol to be local.
13382         * testsuite/ver_test_4.sh: New file.
13383         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
13384         (check_DATA): Add ver_test_4.syms.
13385         (ver_test_4.syms): New target.
13386         * testsuite/Makefile.in: Rebuild.
13387
13388         * output.cc
13389         (Output_section::Input_section_sort_entry::has_priority): New
13390         function.
13391         (Output_section::Input_section_sort_entry::match_file_name): New
13392         function.
13393         (Output_section::Input_section_sort_entry::match_section_name):
13394         Remove.
13395         (Output_section::Input_section_sort_entry::match_section_name_prefix):
13396         Remove.
13397         (Output_section::Input_section_sort_entry::match_section_file):
13398         Remove.
13399         (Output_section::Input_section_sort_compare::operator()): Rewrite
13400         using new Input_section_sort_entry functions.  Sort crtbegin and
13401         crtend first.  Sort sections with no priority before sections with
13402         a priority.
13403         * testsuite/initpri1.c (d3): Check j != 4.
13404         (cd5): New constructor/destructor function.
13405         (main): Check j != 2.
13406
13407         * symtab.cc (Symbol_table::add_from_object): If we don't use the
13408         new symbol when resolving, don't call set_is_default.
13409         * testsuite/ver_test_7.cc: New file.
13410         * testsuite/ver_test_7.sh: New file.
13411         * testsuite/Makefile.am (ver_test_7.so): New target.
13412         (ver_test_7.o): New target.
13413         (check_SCRIPTS): Add ver_test_7.sh.
13414         (check_DATA): Add ver_test_7.syms.
13415         (ver_test_7.syms): New target.
13416
13417 2008-03-28  Ian Lance Taylor  <iant@google.com>
13418
13419         * layout.cc (Layout::layout): If we see an input section with a
13420         name that needs sorting, set the must_sort flag for the output
13421         section.
13422         (Layout::make_output_section): If the name of the output section
13423         indicates that it might require sorting, set the may_sort flag.
13424         * output.h (Output_section::may_sort_attached_input_sections): New
13425         function.
13426         (Output_section::set_may_sort_attached_input_sections): New
13427         function.
13428         (Output_section::must_sort_attached_input_sections): New
13429         function.
13430         (Output_section::set_must_sort_attached_input_sections): New
13431         function.
13432         (class Output_section): Declare Input_section_sort_entry.  Define
13433         Input_section_sort_compare.  Declare
13434         sort_attached_input_sections.  Add new fields:
13435         may_sort_attached_input_sections_,
13436         must_sort_attached_input_sections_,
13437         attached_input_sections_are_sorted_.
13438         * output.cc (Output_section::Output_section): Initialize new
13439         fields.
13440         (Output_section::add_input_section): Add an entry to
13441         input_sections_ if may_sort or must_sort are true.
13442         (Output_section::set_final_data_size): Call
13443         sort_attached_input_sections if necessary.
13444         (Output_section::Input_section_sort_entry): Define new class.
13445         (Output_section::Input_section_sort_compare::operator()): New
13446         function.
13447         (Output_section::sort_attached_input_sections): New function.
13448         * configure.ac: Check whether the compiler supports constructor
13449         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
13450         * testsuite/initpri1.c: New file.
13451         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
13452         CONSTRUCTOR_PRIORITY.
13453         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
13454         (initpri1_LDFLAGS): New variable.
13455         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13456
13457 2008-03-27  Ian Lance Taylor  <iant@google.com>
13458
13459         * common.cc (Sort_commons::operator): Correct sorting algorithm.
13460         * testsuite/common_test_1.c: New file.
13461         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
13462         (common_test_1_SOURCES): New variable.
13463         (common_test_1_DEPENDENCIES): New variable.
13464         (common_test_1_LDFLAGS): New variable.
13465
13466         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
13467         and commons_ correctly when NAME/VERSION does not override
13468         NAME/NULL.
13469         * testsuite/ver_test_6.c: New file.
13470         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
13471         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
13472         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
13473
13474 2008-03-26  Ian Lance Taylor  <iant@google.com>
13475
13476         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
13477         of an undefined symbol from a version script.
13478         * testsuite/Makefile.am (ver_test_5.so): New target.
13479         (ver_test_5.o): New target.
13480         (check_SCRIPTS): Add ver_test_5.sh.
13481         (check_DATA): Add ver_test_5.syms.
13482         (ver_test_5.syms): New target.
13483         * testsuite/ver_test_5.cc: New file.
13484         * testsuite/ver_test_5.script: New file.
13485         * testsuite/ver_test_5.sh: New file.
13486         * Makefile.in, testsuite/Makefile.in: Rebuild.
13487
13488         PR gold/5986
13489         Fix problems building gold with gcc 4.3.0.
13490         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
13491         (gold_error_at_location, gold_warning_at_location): Use it.
13492         * configure.ac: Check whether we can compile and use a template
13493         function with a printf attribute.
13494         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
13495         when jumping over bytes.
13496         * object.cc: Instantiate Object::read_section_data.
13497         * debug.h: Include <cstring>
13498         * dwarf_reader.cc: Include <algorithm>
13499         * main.cc: Include <cstring>.
13500         * options.cc: Include <cstring>.
13501         * output.cc: Include <cstring>.
13502         * script.cc: Include <cstring>.
13503         * script.h: Include <string>.
13504         * symtab.cc: Include <cstring> and <algorithm>.
13505         * target-select.cc: Include <cstring>.
13506         * version.cc: Include <string>.
13507         * testsuite/testmain.cc: Include <cstdlib>.
13508         * configure, config.in: Rebuild.
13509
13510 2008-03-25  Ian Lance Taylor  <iant@google.com>
13511
13512         * options.cc: Include "../bfd/bfdver.h".
13513         (options::help): Print bug reporting address.
13514
13515         * version.cc (print_version): Adjust output for current value of
13516         BFD_VERSION_STRING.
13517
13518         * NEWS: New file.
13519
13520         * options.cc (options::help): Print list of supported targets.
13521         * target-select.h: Include <vector>.
13522         (class Target_selector): Make machine_, size_, and is_big_endian_
13523         fields const.  Add bfd_name_ and instantiated_target_ fields.
13524         (Target_selector::Target_selector): Add bfd_name parameter.
13525         (Target_selector::recognize): Make non-virtual, call
13526         do_recognize.
13527         (Target_selector::recognize_by_name): Make non-virtual, call
13528         do_recognize_by_name.
13529         (Target_selector::supported_names): New function.
13530         (Target_selector::bfd_name): New function.
13531         (Target_selector::do_instantiate_target): New pure virtual
13532         function.
13533         (Target_selector::do_recognize): New virtual function.
13534         (Target_selector::do_recognize_by_name): New virtual function.
13535         (Target_selector::instantiate_target): New private function.
13536         (supported_target_names): Declare.
13537         * target-select.cc (Target_selector::Target_selector): Update for
13538         new parameter and fields.
13539         (select_target_by_name): Check that the name matches before
13540         calling recognize_by_name.
13541         (supported_target_names): New function.
13542         * i386.cc (class Target_selector_i386): Update Target_selector
13543         constructor call.  Remove recognize and recognize_by_name.  Add
13544         do_instantiate_target.
13545         * x86_64.cc (class Target_selector_x86_64): Likewise.
13546         * testsuite/testfile.cc (class Target_selector_test): Update for
13547         changes to Target_selector.
13548
13549         * README: Rewrite, with some notes on unsupported features.
13550
13551 2008-03-24  Cary Coutant  <ccoutant@google.com>
13552
13553         * i386.cc (Target_i386::Got_type): New enum declaration.
13554         (Target_i386::Scan::local): Updated callers of Output_data_got
13555         member functions.
13556         (Target_i386::Scan::global): Likewise.
13557         (Target_i386::Relocate::relocate): Likewise.
13558         (Target_i386::Relocate::relocate_tls): Likewise.
13559         * object.h (Got_offset_list): New class.
13560         (Sized_relobj::local_has_got_offset): Added got_type parameter.
13561         (Sized_relobj::local_got_offset): Likewise.
13562         (Sized_relobj::set_local_got_offset): Likewise.
13563         (Sized_relobj::local_has_tls_got_offset): Removed.
13564         (Sized_relobj::local_tls_got_offset): Removed.
13565         (Sized_relobj::set_local_tls_got_offset): Removed.
13566         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
13567         * output.cc (Output_data_got::add_global): Added got_type parameter.
13568         (Output_data_got::add_global_with_rel): Likewise.
13569         (Output_data_got::add_global_with_rela): Likewise.
13570         (Output_data_got::add_global_pair_with_rel): New function.
13571         (Output_data_got::add_global_pair_with_rela): New function.
13572         (Output_data_got::add_local): Added got_type parameter.
13573         (Output_data_got::add_local_with_rel): Likewise.
13574         (Output_data_got::add_local_with_rela): Likewise.
13575         (Output_data_got::add_local_pair_with_rel): New function.
13576         (Output_data_got::add_local_pair_with_rela): New function.
13577         (Output_data_got::add_global_tls): Removed.
13578         (Output_data_got::add_global_tls_with_rel): Removed.
13579         (Output_data_got::add_global_tls_with_rela): Removed.
13580         (Output_data_got::add_local_tls): Removed.
13581         (Output_data_got::add_local_tls_with_rel): Removed.
13582         (Output_data_got::add_local_tls_with_rela): Removed.
13583         * output.h (Output_data_got::add_global): Added got_type parameter.
13584         (Output_data_got::add_global_with_rel): Likewise.
13585         (Output_data_got::add_global_with_rela): Likewise.
13586         (Output_data_got::add_global_pair_with_rel): New function.
13587         (Output_data_got::add_global_pair_with_rela): New function.
13588         (Output_data_got::add_local): Added got_type parameter.
13589         (Output_data_got::add_local_with_rel): Likewise.
13590         (Output_data_got::add_local_with_rela): Likewise.
13591         (Output_data_got::add_local_pair_with_rel): New function.
13592         (Output_data_got::add_local_pair_with_rela): New function.
13593         (Output_data_got::add_global_tls): Removed.
13594         (Output_data_got::add_global_tls_with_rel): Removed.
13595         (Output_data_got::add_global_tls_with_rela): Removed.
13596         (Output_data_got::add_local_tls): Removed.
13597         (Output_data_got::add_local_tls_with_rel): Removed.
13598         (Output_data_got::add_local_tls_with_rela): Removed.
13599         * resolve.cc (Symbol::override_base_with_special): Removed
13600         reference to has_got_offset_ field.
13601         * symtab.cc (Symbol::init_fields): Replaced initialization
13602         of got_offset_ with got_offsets_.  Removed initialization
13603         of has_got_offset_
13604         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
13605         (Symbol::got_offset): Likewise.
13606         (Symbol::set_got_offset): Likewise.
13607         (Symbol::has_tls_got_offset): Removed.
13608         (Symbol::tls_got_offset): Removed.
13609         (Symbol::set_tls_got_offset): Removed.
13610         (Symbol::got_offset_): Removed.
13611         (Symbol::tls_mod_got_offset_): Removed.
13612         (Symbol::tls_pair_got_offset_): Removed.
13613         (Symbol::got_offsets_): New field.
13614         (Symbol::has_got_offset): Removed.
13615         (Symbol::has_tls_mod_got_offset): Removed.
13616         (Symbol::has_tls_pair_got_offset): Removed.
13617         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
13618         (Target_x86_64::Scan::local): Updated callers of Output_data_got
13619         member functions.
13620         (Target_x86_64::Scan::global): Likewise.
13621         (Target_x86_64::Relocate::relocate): Likewise.
13622         (Target_x86_64::Relocate::relocate_tls): Likewise.
13623
13624 2008-03-25  Ben Elliston  <bje@au.ibm.com>
13625
13626         * yyscript.y: Fix spelling error in comment.
13627
13628 2008-03-24  Ian Lance Taylor  <iant@google.com>
13629
13630         * options.h (class General_options): Define build_id option.
13631         * layout.h (class Layout): Declare write_build_id, create_note,
13632         create_build_id.  Add build_id_note_ member.
13633         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
13634         "libiberty.h", "md5.h", "sha1.h".
13635         (Layout::Layout): Initialize eh_frame_data_,
13636         eh_frame_hdr_section_, and build_id_note_.
13637         (Layout::finalize): Call create_build_id.
13638         (Layout::create_note): New function, broken out of
13639         Layout::create_gold_note.
13640         (Layout::create_gold_note): Call create_note.
13641         (Layout::create_build_id): New function.
13642         (Layout::write_build_id): New function.
13643         (Close_task_runner::run): Call write_build_id.
13644
13645         * x86_64.cc: Correct license to GPLv3.
13646
13647 2008-03-23  Ian Lance Taylor  <iant@google.com>
13648
13649         * options.cc: Include "demangle.h".
13650         (parse_optional_string): New function.
13651         (parse_long_option): Handle takes_optional_argument.
13652         (parse_short_option): Update dash_z initializer.  Handle
13653         takes_optional_argument.
13654         (General_options::General_options): Initialize do_demangle_.
13655         (General_options::finalize): Set do_demangle_.  Handle demangling
13656         style.
13657         * options.h (parse_optional_string): Declare.
13658         (struct One_option): Add optional_arg field.  Update constructor.
13659         Update call constructor calls.  Add takes_optional_argument
13660         function.
13661         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
13662         (DEFINE_optional_string): Define.
13663         (General_options::demangle): Change from DEFINE_bool to
13664         DEFINE_optional_string.
13665         (General_options::no_demangle): New function.
13666         (General_options::do_demangle): New function.
13667         (General_options::set_do_demangle): New function.
13668         (General_options::execstack_status_): Move definition to end of
13669         class definition.
13670         (General_options::static_): Likewise.
13671         (General_options::do_demangle_): New field.
13672         * object.cc (big_endian>::get_symbol_location_info): Call
13673         Options::do_demangle, not Options::demangle.
13674         * symtab.cc (demangle): Likewise.
13675
13676 2008-03-22  Ian Lance Taylor  <iant@google.com>
13677
13678         * gold.h: Include <cstddef> and <sys/types.h>
13679         * options.h: Include <cstring>.
13680
13681 2008-03-21  Ian Lance Taylor  <iant@google.com>
13682
13683         * Added source code to GNU binutils.