gold/ChangeLog

   1 2018-06-23  Cary Coutant  <ccoutant@gmail.com>
   2
   3         PR gold/22915
   4         * x86_64.cc (Output_data_plt_x86_64_ibt): New class.
   5         (Target_x86_64::do_make_data_plt): (All instantiations) Check for
   6         IBT feature bit and create IBT PLTs.
   7
   8 2018-06-22  Cary Coutant  <ccoutant@gmail.com>
   9
  10         PR gold/22914
  11         * layout.cc (read_sized_value): Fix spelling of section name.
  12         (Layout::layout_gnu_property): Call Sized_target::record_gnu_property
  13         for target-specific properties;
  14         don't store them with target-independent properties yet.
  15         (Layout::merge_gnu_properties): New method.
  16         (Layout::add_gnu_property): New method.
  17         (Layout::create_gnu_properties_note): Call target to finalize
  18         target-specific properties. Fix spelling of output section name.
  19         * layout.h (Layout::merge_gnu_properties): New method.
  20         (Layout::add_gnu_property): New method.
  21         * object.cc (Sized_relobj_file::do_layout): Call
  22         Layout::merge_gnu_properties.
  23         * target.h (Target::merge_gnu_property): Remove.
  24         (Target::finalize_gnu_properties): New method.
  25         (Target::do_merge_gnu_property): Move to Sized_target and rename.
  26         (Target::do_finalize_gnu_properties): New virtual method.
  27         (Sized_target::record_gnu_property): Moved and renamed from
  28         Target::do_merge_gnu_property.
  29         (Sized_target::merge_gnu_properties): New virtual method.
  30         * x86_64.cc (Target_x86_64::isa_1_used_, isa_1_needed_)
  31         (feature_1_, object_feature_1_, seen_first_object_): New data members.
  32         (Target_x86_64::do_merge_gnu_property): Rename to ...
  33         (Target_x86_64::record_gnu_property): ... this.  Save target-specific
  34         properties in Target class object.
  35         (Target_x86_64::merge_gnu_properties): New method.
  36         (add_property): New static inline function.
  37         (Target_x86_64::do_finalize_gnu_properties): New method.
  38         * testsuite/Makefile.am (gnu_property_test): Remove C source file;
  39         link directly without compiler driver.
  40         * testsuite/Makefile.in: Regenerate.
  41         * testsuite/gnu_property_a.S: Add _start.
  42
  43 2018-06-22  Cary Coutant  <ccoutant@gmail.com>
  44
  45         * incremental.cc (Sized_incremental_binary::setup_readers): Use
  46         emplace_back for GCC 5 and later.
  47         * incremental.h (Incremental_binary::Input_reader): Provide copy
  48         constructor.
  49         (Sized_incremental_binary::Sized_input_reader): Likewise.
  50
  51 2018-06-22  Cary Coutant  <ccoutant@gmail.com>
  52
  53         PR gold/22914
  54         * layout.cc (Layout::Layout): Initialize gnu_properties_.
  55         (read_sized_value, write_sized_value): New functions.
  56         (Layout::layout_gnu_property): New method.
  57         (Layout::create_notes): Call create_gnu_properties_note.
  58         (Layout::create_gnu_properties_note): New method.
  59         * layout.h (Layout::layout_gnu_property): New method.
  60         (Layout::create_gnu_properties_note): New method.
  61         (Layout::Gnu_property, Layout::Gnu_properties): New types.
  62         (Layout::gnu_properties_): New data member.
  63         * object.cc (Sized_relobj_file::layout_gnu_property_section): New
  64         method.
  65         (Sized_relobj_file::do_layout): Handle .note.gnu.property sections.
  66         * object.h (Sized_relobj_file::layout_gnu_property_section): New
  67         method.
  68         * target.h (Target::merge_gnu_property): New method.
  69         (Target::do_merge_gnu_property): New virtual method.
  70         * x86_64.cc (Target_x86_64::do_merge_gnu_property): New method.
  71         * testsuite/Makefile.am (gnu_property_test): New test case.
  72         * testsuite/Makefile.in: Regenerate.
  73         * testsuite/gnu_property_a.S: New source file.
  74         * testsuite/gnu_property_b.S: New source file.
  75         * testsuite/gnu_property_c.S: New source file.
  76         * testsuite/gnu_property_main.c: New source file.
  77         * testsuite/gnu_property_test.sh: New test script.
  78
  79 2018-06-21  Cary Coutant  <ccoutant@gmail.com>
  80
  81         * resolve.cc (Symbol_table::resolve): Rename tobinding to
  82         orig_tobinding.  Call set_is_needed() for objects that resolve
  83         non-weak references.
  84         (Symbol_table::should_override): Allow a dynamic definition to
  85         override an earlier one in a not-needed library.
  86         * symtab.cc (Symbol_table::set_dynsym_indexes): Remove separate
  87         processing for as-needed symbols.  Add warning when discarding
  88         version informatin.
  89         * testsuite/Makefile.am (weak_as_needed): New test case.
  90         * testsuite/Makefile.in: Regenerate.
  91         * testsuite/weak_as_needed.sh: New test script.
  92         * testsuite/weak_as_needed_a.c: New source file.
  93         * testsuite/weak_as_needed_b.c: New source file.
  94         * testsuite/weak_as_needed_b.script: New version script.
  95         * testsuite/weak_as_needed_c.c: New source file.
  96         * testsuite/weak_as_needed_c.script: New version script.
  97
  98 2018-06-20  Cary Coutant  <ccoutant@gmail.com>
  99
 100         PR gold/23268
 101         * dynobj.cc (Versions::Versions): Change init for needs_base_version_.
 102         (Versions::record_version): Add verdefs for both shared objects and
 103         executables.
 104         (Versions::add_def): Likewise for base version.
 105         (Versions::add_need): Don't add base version for executables.
 106         (Versions::version_index): Look up version for both shared objects and
 107         executables.
 108         * testsuite/Makefile.am (ver_test_14): New test case.
 109         * testsuite/Makefile.in: Regenerate.
 110         * testsuite/ver_test_14.script: New version script.
 111         * testsuite/ver_test_14.sh: New test script.
 112
 113 2018-06-19  Joshua Watt  <jpewhacker@gmail.com>
 114             Cary Coutant  <ccoutant@gmail.com>
 115
 116         * configure.ac: Replace manual thread configuration with AX_PTHREAD.
 117         Add --enable-threads=auto.
 118         * Makefile.am (THREADFLAGS, THREADLIBS): New defines.
 119         (AM_CFLAGS, AM_CXXFLAGS): Add $(THREADFLAGS).
 120         (THREADSLIB): Remove; change all references to THREADLIBS.
 121         * Makefile.in: Regenerate.
 122         * aclocal.m4: Regenerate.
 123         * config.in: Regenerate.
 124         * configure: Regenerate.
 125         * testsuite/Makefile.am (THREADSLIB): Replace with...
 126         (THREADFLAGS, THREADLIBS): ... these.
 127         (LDADD): Remove; add as individual defines for...
 128         (object_unittest, binary_unittest, leb128_unittest)
 129         (overflow_unittest): ... these tests.
 130         (tls_test, tls_pic_test, tls_pie_test, tls_pie_pic_test)
 131         (tls_shared_test, tls_shared_ie_test, tls_shared_gd_to_ie_test)
 132         (tls_shared_gnu2_gd_to_ie_test, tls_shared_gnu2_test_LDFLAGS)
 133         (tls_shared_nonpic_test_LDFLAGS): Add $(THREADFLAGS) and ($THREADLIBS).
 134         * testsuite/Makefile.in: Regenerate.
 135
 136 2018-06-19  Cary Coutant  <ccoutant@gmail.com>
 137
 138         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add *.stderr.
 139         * testsuite/Makefile.in: Regenerate.
 140
 141 2018-06-19  Simon Marchi  <simon.marchi@ericsson.com>
 142
 143         * configure.ac: Remove AC_PREREQ, add missing quoting and usage
 144         of AC_LANG_SOURCE.
 145         * Makefile.in: Re-generate.
 146         * aclocal.m4: Re-generate.
 147         * configure: Re-generate.
 148         * testsuite/Makefile.in: Re-generate.
 149
 150 2018-05-10  Stephen Crane  <sjc@immunant.com>
 151
 152         * aarch64.cc (Target_aarch64::do_finalize_sections): Use size of
 153         .got section for the _GLOBAL_OFFSET_TABLE_ symbol computation.
 154
 155 2018-04-24  Cary Coutant  <ccoutant@gmail.com>
 156
 157         PR gold/20642
 158         PR gold/22820
 159         * gc.h (gc_process_relocs): Flag STT_SECTION symbols in symvec.
 160         * icf.cc (get_section_contents): For merge sections, ignore the
 161         addend for relocations against non-section symbols.
 162
 163 2018-04-24  Cary Coutant  <ccoutant@gmail.com>
 164
 165         PR gold/16504
 166         * dynobj.cc (Versions::symbol_section_contents): Don't set
 167         VERSYM_HIDDEN flag for undefined symbols.
 168         * symtab.cc (Symbol_table::add_from_object): Don't override default
 169         version definition with a different default version.
 170         * symtab.h (Symbol::from_dyn): New method.
 171         * testsuite/plugin_test.c (struct sym_info): Add ver field.
 172         (claim_file_hook): Pass symbol version to plugin API.
 173         (parse_readelf_line): Parse symbol version.
 174         * testsuite/Makefile.am (ver_test_pr16504): New test case.
 175         * testsuite/Makefile.in: Regenerate.
 176         * testsuite/ver_test_pr16504.sh: New test script.
 177         * testsuite/ver_test_pr16504_a.c: New source file.
 178         * testsuite/ver_test_pr16504_a.script: New version script.
 179         * testsuite/ver_test_pr16504_b.c: New source file.
 180         * testsuite/ver_test_pr16504_b.script: New version script.
 181
 182 2018-04-19  Cary Coutant  <ccoutant@gmail.com>
 183
 184         PR gold/23046
 185         * gc.h (gc_process_relocs): Pass target to
 186         scan.local_reloc_may_be_function_pointer.
 187
 188 2018-04-18  Nick Clifton  <nickc@redhat.com>
 189
 190         * po/es.po: Updated Spanish translation.
 191
 192 2018-04-14  Cary Coutant  <ccoutant@gmail.com>
 193
 194         PR gold/23046
 195         * gc.h (gc_process_relocs): Pass target to
 196         scan.global_reloc_may_be_function_pointer.
 197
 198 2018-04-09  Alan Modra  <amodra@gmail.com>
 199
 200         * configure: Regenerate.
 201
 202 2018-04-09  Alan Modra  <amodra@gmail.com>
 203
 204         * powerpc.cc (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call):
 205         Handle inline plt sequence relocs.
 206         (Stub_table::Plt_stub_key::Plt_stub_key): Likewise.
 207         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise.
 208         (Target_powerpc::Relocate::relocate): Likewise.
 209
 210 2018-04-09  Alan Modra  <amodra@gmail.com>
 211
 212         * powerpc.cc (Target_powerpc::lplt_): New variable.
 213         (Target_powerpc::lplt_section): Associated accessor.
 214         (Target_powerpc::plt_off): Handle local non-ifunc symbols.
 215         (Target_powerpc::make_lplt_section): New function.
 216         (Target_powerpc::make_local_plt_entry): New function.
 217         (Powerpc_relobj::do_relocate_sections): Write out lplt.
 218         (Output_data_plt_powerpc::first_plt_entry_offset): Zero for lplt.
 219         (Output_data_plt_powerpc::add_local_entry): New function.
 220         (Output_data_plt_powerpc::do_write): Ignore lplt.
 221         (Target_powerpc::make_iplt_section): Make lplt first.
 222         (Target_powerpc::make_brlt_section): Make .branch_lt relro.
 223         (Target_powerpc::Scan::local): Handle PLT16 relocs.
 224
 225 2018-04-09  Alan Modra  <amodra@gmail.com>
 226
 227         * powerpc.cc (Target_powerpc::plt_off): New functions.
 228         (is_plt16_reloc): New function.
 229         (Stub_table::plt_off): Use Target_powerpc::plt_off.
 230         (Stub_table::plt_call_size): Use plt_off.
 231         (Stub_table::do_write): Likewise.
 232         (Target_powerpc::Scan::get_reference_flags): Return RELATIVE_REF
 233         for PLT16 relocations.
 234         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Return true
 235         for PLT16 relocations.
 236         (Target_powerpc::Scan::global): Make a PLT entry for PLT16 relocations.
 237         (Target_powerpc::Relocate::relocate): Support PLT16 relocations.
 238         (Powerpc_scan_relocatable_reloc::global_strategy): Return RELOC_SPECIAL
 239         for ppc32 plt16 relocs.
 240
 241 2018-04-06  Cary Coutant  <ccoutant@gmail.com>
 242
 243         * object.cc (Sized_relobj_file::include_section_group): Store
 244         reference to Kept_section info for discarded comdat sections
 245         regardless of size.  Move size checking to map_to_kept_section.
 246         (Sized_relobj_file::include_linkonce_section): Likewise.
 247         (Sized_relobj_file::map_to_kept_section): Add section name parameter.
 248         Insert size checking logic from above functions.
 249         (Sized_relobj_file::find_kept_section_object): New method.
 250         (Sized_relobj_file::get_symbol_name): New method.
 251         * object.h (Sized_relobj_file::map_to_kept_section): Add section_name
 252         parameter.  Adjust all callers.
 253         (Sized_relobj_file::find_kept_section_object): New method.
 254         (Sized_relobj_file::get_symbol_name): New method.
 255         (Sized_relobj_file::Kept_comdat_section): Replace object and shndx
 256         fields with sh_size, kept_section, symndx, and is_comdat fields.
 257         (Sized_relobj_file::set_kept_comdat_section): Replace kept_object
 258         and kept_shndx parameters with is_comdat, symndx, sh_size, and
 259         kept_section.
 260         (Sized_relobj_file::get_kept_comdat_section): Likewise.
 261         * target-reloc.h (enum Comdat_behavior): Change CB_WARNING to CB_ERROR.
 262         Adjust all references.
 263         (issue_undefined_symbol_error): New function template.
 264         (relocate_section): Pass section name to map_to_kept_section.
 265         Move discarded section code to new function above.
 266         * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Move
 267         declaration for gsym out one level.  Call issue_discarded_error.
 268         * arm.cc (Target_arm::scan_reloc_section_for_stubs): Likewise.
 269         * powerpc.cc (Relocate_comdat_behavior): Change CB_WARNING to CB_ERROR.
 270
 271 2018-04-05  Cary Coutant  <ccoutant@gmail.com>
 272
 273         * target-reloc.h (relocate_section): Add local symbol index or global
 274         symbol name to warning about relocation that refers to discarded
 275         section.
 276
 277 2018-04-05  James Cowgill  <james.cowgill@mips.com>
 278
 279         Revert previous patch and apply revised patch.
 280
 281         PR gold/22770
 282         * mips.cc (Mips_got_info::record_got_page_entry): Don't insert
 283         Got_page_entry for object's GOT.
 284         (Mips_got_info::add_got_page_entries): Add all pages from from's GOT.
 285         Rename to add_got_page_count.
 286         (Got_page_entry): Remove num_pages.
 287
 288 2018-04-05  James Cowgill  <james.cowgill@mips.com>
 289
 290         PR gold/22770
 291         * mips.cc (Mips_got_info::record_got_page_entry): Fetch existing
 292         page entries for the object's GOT.
 293
 294 2018-04-05  Alan Modra  <amodra@gmail.com>
 295
 296         * powerpc.cc (Target_powerpc::make_brlt_section): Make .branch_lt relro.
 297
 298 2018-04-04  Nick Clifton  <nickc@redhat.com>
 299
 300         * po/es.po: Updated Spanish translation.
 301
 302 2018-04-02  Cary Coutant  <ccoutant@gmail.com>
 303
 304         PR gold/23016
 305         * incremental.cc (can_incremental_update): Check for unwind section
 306         type.
 307         * layout.h (Layout::layout): Add sh_type parameter.
 308         * layout.cc (Layout::layout): Likewise.
 309         (Layout::layout_reloc): Create new output reloc section if data
 310         section does not already have one.
 311         (Layout::layout_eh_frame): Check for unwind section type.
 312         (Layout::make_eh_frame_section): Use unwind section type for .eh_frame
 313         and .eh_frame_hdr.
 314         * object.h (Sized_relobj_file::Shdr_write): New typedef.
 315         (Sized_relobj_file::layout_section): Add sh_type parameter.
 316         (Sized_relobj_file::Deferred_layout::Deferred_layout): Add sh_type
 317         parameter.
 318         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 319         unwind section type.
 320         (Sized_relobj_file::layout_section): Add sh_type parameter; pass it
 321         to Layout::layout.
 322         (Sized_relobj_file::do_layout): Make local copy of sh_type.
 323         Force .eh_frame sections to unwind section type.
 324         Pass sh_type to layout_section.
 325         (Sized_relobj_file<size, big_endian>::do_layout_deferred_sections):
 326         Pass sh_type to layout_section.
 327         * output.cc (Output_section::Output_section): Initialize reloc_section_.
 328         * output.h (Output_section::reloc_section): New method.
 329         (Output_section::set_reloc_section): New method.
 330         (Output_section::reloc_section_): New data member.
 331         * target.h (Target::unwind_section_type): New method.
 332         (Target::Target_info::unwind_section_type): New data member.
 333
 334         * aarch64.cc (aarch64_info): Add unwind_section_type.
 335         * arm.cc (arm_info, arm_nacl_info): Likewise.
 336         * i386.cc (i386_info, i386_nacl_info, iamcu_info): Likewise.
 337         * mips.cc (mips_info, mips_nacl_info): Likewise.
 338         * powerpc.cc (powerpc_info): Likewise.
 339         * s390.cc (s390_info): Likewise.
 340         * sparc.cc (sparc_info): Likewise.
 341         * tilegx.cc (tilegx_info): Likewise.
 342         * x86_64.cc (x86_64_info, x86_64_nacl_info): Likewise.
 343
 344         * testsuite/Makefile.am (pr23016_1, pr23016_2): New test cases.
 345         * testsuite/Makefile.in: Regenerate.
 346         * testsuite/testfile.cc: Add unwind_section_type.
 347         * testsuite/pr23016_1.sh: New test script.
 348         * testsuite/pr23016_1a.s: New source file.
 349         * testsuite/pr23016_1b.s: New source file.
 350         * testsuite/pr23016_2.sh: New test script.
 351         * testsuite/pr23016_2a.s: New source file.
 352         * testsuite/pr23016_2b.s: New source file.
 353
 354 2018-03-28  Cary Coutant  <ccoutant@gmail.com>
 355
 356         PR gold/21423
 357         PR gold/22500
 358         * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
 359         Replace check for --enable-plugins with AC_PLUGINS.
 360         * options.cc (parse_plugin, parse_plugin_opt): Remove #ifdef.
 361         (General_options::finalize): Check if plugins enabled.
 362         * options.h (--plugin, --plugin-opt): Define even if plugins not
 363         enabled.
 364         * Makefile.in: Regenerate.
 365         * aclocal.m4: Regenerate.
 366         * configure: Regenerate.
 367         * testsuite/Makefile.in: Regenerate.
 368
 369 2018-03-28  Cary Coutant  <ccoutant@gmail.com>
 370
 371         PR gold/22969
 372         * aarch64-reloc.def: Add TLSLE_LDST* relocations.
 373         * aarch64.cc (Target_aarch64::optimize_tls_reloc): Likewise.
 374         (Target_aarch64::Scan::local): Likewise.
 375         (Target_aarch64::Scan::global): Likewise.
 376         (Target_aarch64::Relocate::relocate): Likewise.
 377         (Target_aarch64::Relocate::relocate_tls): Likewise.
 378
 379 2018-03-27  Roland McGrath  <mcgrathr@google.com>
 380
 381         * testsuite/split_x86_64.sh: Fix bad regexp.
 382
 383 2018-03-26  Cary Coutant  <ccoutant@gmail.com>
 384
 385         PR gold/22868
 386         * plugin.cc (Sized_pluginobj::do_add_symbols): Use a real section
 387         index instead of SHN_ABS for defined symbols.
 388         * testsuite/Makefile.am (plugin_pr22868): New test case.
 389         * testsuite/Makefile.in: Regenerate
 390         * testsuite/plugin_pr22868.sh: New test script.
 391         * testsuite/plugin_pr22868_a.c: New source file.
 392         * testsuite/plugin_pr22868_b.c: New source file.
 393
 394 2018-03-23  Cary Coutant  <ccoutant@gmail.com>
 395
 396         * plugin.cc (link_or_copy_file): Remove newlines from warning messages.
 397         Add pedantic check for return value from ::write.
 398
 399 2018-03-23  Cary Coutant  <ccoutant@gmail.com>
 400
 401         * debug.h (DEBUG_PLUGIN): New constant.
 402         (DEBUG_ALL): Add DEBUG_PLUGIN.
 403         (debug_string_to_enum): Likewise.
 404         * plugin.cc (make_sized_plugin_object): Add filename parameter.
 405         (Plugin_recorder): New class.
 406         (Plugin_manager::~Plugin_manager): Delete recorder_.
 407         (Plugin_manager::load_plugins): Create and initialize recorder_.
 408         (Plugin_manager::claim_file): Record claimed and unclaimed files.
 409         (Plugin_manager::make_plugin_object): Use object name as name for
 410         plugin object, if available.
 411         (Plugin_manager::add_input_file): Record replacement files.
 412         (Sized_pluginobj::do_add_symbols): Record plugin symbols.
 413         (Plugin_finish::run): Call Plugin_recorder::finish().
 414         (make_sized_plugin_object): Add filename parameter and pass to
 415         Sized_pluginobj constructor.
 416         * plugin.h (Plugin::filename): New method.
 417         (Plugin::recorder): New method.
 418         (Plugin::recorder_): New data member.
 419
 420 2018-03-07  Sriraman Tallam  <tmsriram@google.com>
 421
 422         * layout.cc (Layout::default_section_order): Check for text section
 423         prefixes.
 424         (Layout::text_section_name_mapping): New static member.
 425         (Layout::text_section_name_mapping_count): New static member.
 426         (Layout::match_section_name): New static function.
 427         (Layout::output_section_name): Check for text section prefixes.
 428         * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value.
 429         (Output_section_order::ORDER_TEXT_STARTUP): New enum value.
 430         (Output_section_order::ORDER_TEXT_EXIT): New enum value.
 431         (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value.
 432         (Layout::text_section_name_mapping): New static member.
 433         (Layout::text_section_name_mapping_count): New static member.
 434         (Layout::match_section_name): New static function.
 435         * options.h (keep_text_section_prefix): New -z option.
 436         * testsuite/Makefile.am (keep_text_section_prefix): New test.
 437         * testsuite/Makefile.in: Regenerate.
 438         * testsuite/keep_text_section_prefix.cc: New test source.
 439         * testsuite/keep_text_section_prefix.sh: New test script.
 440
 441 2018-02-22  Sriraman Tallam  <tmsriram@google.com>
 442
 443         * plugin.cc (get_wrap_symbols): New plugin interface.
 444         (load): Add get_wrap_symbols to transfer vector.
 445         * plugin-api.h (ld_plugin_get_wrap_symbols): New plugin interface.
 446         * testsuite/plugin_test.c (onload): Call and check get_wrap_symbols
 447         interface.
 448         * testsuite/plugin_test_wrap_symbols.sh: New test script.
 449         * testsuite/plugin_test_wrap_symbols_1.cc: New file.
 450         * testsuite/plugin_test_wrap_symbols_2.cc: New file.
 451         * testsuite/Makefile.am (plugin_test_wrap_symbols): New test.
 452         * testsuite/Makefile.in: Regenerate.
 453
 454 2018-02-07  Sriraman Tallam  <tmsriram@google.com>
 455
 456         * expression.cc (Symbol_expression::set_expr_sym_in_real_elf):
 457         New method.
 458         (Unary_expression::set_expr_sym_in_real_elf): New method.
 459         (Binary_expression::set_expr_sym_in_real_elf): New method.
 460         (Trinary_expression::set_expr_sym_in_real_elf): New method.
 461         * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if
 462         defined or used in defsyms.
 463         * plugin.h (Plugin_manager::is_defsym_def): New method.
 464         (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_.
 465         (Plugin_manager::defsym_defines_set_): New member.
 466         (Plugin_manager::Defsym_defines_set): New typedef.
 467         * script.cc (Script_options::set_defsym_uses_in_real_elf): New method.
 468         (Script_options::find_defsym_defs): New method.
 469         * script.h (Expression::set_expr_sym_in_real_elf): New method.
 470         (Symbol_assignment::is_defsym): New method.
 471         (Symbol_assignment::value): New method.
 472         (Script_options::find_defsym_defs): New method.
 473         (Script_options::set_defsym_uses_in_real_elf): New method.
 474         * testsuite/Makefile.am (plugin_test_defsym): New test.
 475         * testsuite/Makefile.in: Regenerate.
 476         * testsuite/plugin_test.c: Check for new symbol resolution.
 477         * testsuite/plugin_test_defsym.sh: New script.
 478         * testsuite/plugin_test_defsym.c: New test source.
 479
 480 2018-02-07  Alan Modra  <amodra@gmail.com>
 481
 482         Revert 2018-01-17  Alan Modra  <amodra@gmail.com>
 483         * options.h: Remove --speculate-indirect-jumps support.
 484         * powerpc.cc: Likewise.
 485
 486 2018-02-02  Cary Coutant  <ccoutant@gmail.com>
 487
 488         * PR gold/22776
 489         * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog): Add
 490         support for DWARF-4 line number tables.
 491         * dwarf_reader.h (Sized_dwarf_line_info::max_ops_per_insn): New field.
 492
 493 2018-01-18  Alan Modra  <amodra@gmail.com>
 494
 495         * powerpc.cc (param_plt_align): New function supplying default
 496         --plt-align values.  Use it..
 497         (Stub_table::plt_call_align): ..here, and..
 498         (Output_data_glink::global_entry_align): ..here.
 499         (Stub_table::stub_align): Correct 32-bit minimum alignment.
 500
 501 2018-01-17  Alan Modra  <amodra@gmail.com>
 502
 503         * options.h (speculate_indirect_jumps): New option.
 504         * powerpc.cc (beqctrm, beqctrlm, crseteq): New insn constants.
 505         (output_bctr): New function.
 506         (Stub_table::plt_call_size): Add space for speculation barrier.
 507         (Stub_table::branch_stub_size): Likewise.
 508         (Output_data_glink::pltresolve_size): Likewise.
 509         (Stub_table::do_write): Output speculation barriers.
 510
 511 2018-01-17  Alan Modra  <amodra@gmail.com>
 512
 513         * options.h (plt_align): Support for PowerPC32 too.
 514         * powerpc.cc (Stub_table::stub_align): Heed --plt-align for 32-bit.
 515         (Stub_table::plt_call_size, branch_stub_size): Tidy.
 516         (Stub_table::plt_call_align): Implement using stub_align.
 517         (Output_data_glink::global_entry_align): New function.
 518         (Output_data_glink::global_entry_off): New function.
 519         (Output_data_glink::global_entry_address): Use global_entry_off.
 520         (Output_data_glink::pltresolve_size): New function, replacing
 521         pltresolve_size_ constant.  Update all uses.
 522         (Output_data_glink::add_global_entry): Align offset.
 523         (Output_data_glink::set_final_data_size): Use global_entry_align.
 524         (Stub_table::do_write): Don't pad __glink_PLTrelsolve with nops.
 525         Tidy stub output.  Use global_entry_off.
 526
 527 2018-01-15  Cary Coutant  <ccoutant@gmail.com>
 528
 529         PR gold/22694
 530         * options.h (-fuse-ld): Add correct helparg.
 531
 532 2018-01-15  Nick Clifton  <nickc@redhat.com>
 533
 534         * po/uk.po: Updated Ukranian translation.
 535
 536 2018-01-13  Nick Clifton  <nickc@redhat.com>
 537
 538         * po/gold.pot: Regenerated.
 539
 540 2018-01-13  Nick Clifton  <nickc@redhat.com>
 541
 542         2.30 branch created.
 543
 544 2018-01-12  Cary Coutant  <ccoutant@gmail.com>
 545
 546         * NEWS: Add new features in 1.15.
 547         * version.cc (version_string): Bump to 1.15.
 548
 549 2018-01-12  Sterling Augustine  <saugustine@google.com>
 550
 551         * cref.cc (Cref_inputs::Cref_table_compare::operator): Add
 552         conditionals and calls to is_forwarder.
 553
 554 2018-01-03  Alan Modra  <amodra@gmail.com>
 555
 556         Update year range in copyright notice of all files.
 557
 558 For older changes see ChangeLog-2017
 559 \f
 560 Copyright (C) 2018 Free Software Foundation, Inc.
 561
 562 Copying and distribution of this file, with or without modification,
 563 are permitted in any medium without royalty provided the copyright
 564 notice and this notice are preserved.
 565
 566 Local Variables:
 567 mode: change-log
 568 left-margin: 8
 569 fill-column: 74
 570 version-control: never
 571 End: