gold/ChangeLog

   1 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
   2
   3         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
   4
   5 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
   6
   7         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
   8         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
   9         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
  10         (is_matching_lo16_reloc): Likewise.
  11         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
  12         (Mips_output_data_plt::plt_entry_r6): New static data member for
  13         R6 PLT entry.
  14         (Target_mips::is_output_r6): New method.
  15         (Target_mips::Mips_mach): Add new enum constants.
  16         (Mips_relocate_functions::Status): Likewise.
  17         (Mips_relocate_functions::pchi16_relocs): New static data member.
  18         (Mips_relocate_functions::relpc21): New method.
  19         (Mips_relocate_functions::relpc26): Likewise.
  20         (Mips_relocate_functions::relpc18): Likewise.
  21         (Mips_relocate_functions::relpc19): Likewise.
  22         (Mips_relocate_functions::relpchi16): Likewise.
  23         (Mips_relocate_functions::do_relpchi16): Likewise.
  24         (Mips_relocate_functions::relpclo16): Likewise.
  25         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
  26         entry.
  27         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
  28         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
  29         E_MIPS_ARCH_64R6 support.
  30         (Target_mips::update_abiflags_isa): Likewise.
  31         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
  32         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
  33         R_MIPS_PC19_S2.
  34         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
  35         and R_MIPS_PCLO16.
  36         (Target_mips::Scan::global): Add support for relocs:
  37         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
  38         (Target_mips::Relocate::relocate): Call functions for resolving
  39         Mips32r6 and Mips64r6 relocations, and print error message for
  40         STATUS_PCREL_UNALIGNED.
  41         (Target_mips::Scan::get_reference_flags): Add support for relocs:
  42         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
  43         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
  44         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
  45         E_MIPS_ARCH_64R6 support.
  46
  47 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
  48
  49         PR gold/20246
  50         * testsuite/script_test_2.t: Add .got.plt after .got.
  51
  52 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  53
  54         * mips.cc (struct Mips_abiflags): New struct.
  55         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
  56         and abiflags_.
  57         (Mips_relobj::~Mips_relobj): Delete object pointed by
  58         attributes_section_data_.
  59         (Mips_relobj::abiflags): New method.
  60         (Mips_relobj::attributes_section_data): Likewise.
  61         (Mips_relobj::attributes_section_data_): New data member.
  62         (Mips_relobj::abiflags_): Likewise.
  63         (class Mips_output_section_abiflags): New class.
  64         (Target_mips::Target_mips): Initialize attributes_section_data_,
  65         abiflags_ and has_abiflags_section_.
  66         (Target_mips::do_should_include_section): Don't emit input
  67         .MIPS.abiflags sections to output .MIPS.abiflags.
  68         (Target_mips::Mips_mach): Add new enum constants.
  69         (Target_mips::mips_isa_ext_mach): New method.
  70         (Target_mips::mips_isa_ext): Likewise.
  71         (Target_mips::update_abiflags_isa): Likewise.
  72         (Target_mips::infer_abiflags): Likewise.
  73         (Target_mips::create_abiflags): Likewise.
  74         (Target_mips::fp_abi_string): Likewise.
  75         (Target_mips::select_fp_abi): Likewise.
  76         (Target_mips::merge_obj_attributes): Likewise.
  77         (Target_mips::merge_obj_abiflags): Likewise.
  78         (Target_mips::level_rev): Likewise.
  79         (Target_mips::merge_obj_e_flags): Rename from
  80         merge_processor_specific_flags. Remove dyn_obj argument,
  81         call update_abiflags_isa when needed, compare NaN encodings and
  82         compare FP64 state.
  83         (Target_mips::add_machine_extensions): Add two machine extensions
  84         and fix one.
  85         (Target_mips::attributes_section_data_): New data member.
  86         (Target_mips::abiflags_): Likewise.
  87         (Target_mips::has_abiflags_section_): Likewise.
  88         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
  89         .MIPS.abiflags sections if they exists.
  90         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
  91         E_MIPS_MACH_OCTEON3 support.
  92         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
  93         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
  94         .MIPS.abiflags sections from input. Create these sections if
  95         needed.
  96         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
  97         E_MIPS_MACH_OCTEON3 support, and change strings for
  98         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
  99         to match bfd.
 100
 101 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 102
 103         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 104         has_reginfo_section_.
 105         (Mips_relobj::has_reginfo_section_): New data member.
 106         (Mips_relobj::has_reginfo_section): New method.
 107         (class Mips_output_section_reginfo): Change base class to
 108         Output_section_data, and set masks of the output .reginfo section
 109         in constructor.
 110         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 111         Remove.
 112         (Mips_output_section_reginfo::set_masks): Likewise.
 113         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 114         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 115         (Target_mips::do_make_output_section): Remove.
 116         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 117         if the object contains a .reginfo section.
 118         (Target_mips::do_finalize_sections): Create a .reginfo output
 119         section if needed.
 120
 121 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 122
 123         * mips.cc (Mips_output_data_got::do_write): Add missing template
 124         args via typedef.
 125
 126 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 127
 128         PR/19960
 129         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 130         (Target_s390::ss_code_l_r14): Removed.
 131         (Target_s390::ss_code_ear): Removed.
 132         (Target_s390::ss_code_c): Removed.
 133         (Target_s390::ss_match_st_r14): New function.
 134         (Target_s390::ss_match_l_r14): New function.
 135         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 136         of matching code directly.
 137         (Target_s390::ss_match_ear): New function.
 138         (Target_s390::ss_match_c): New function.
 139         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 140         of matching code directly.
 141
 142 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 143
 144         PR gold/19823
 145         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 146         parameter; check for protected symbol.
 147         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 148         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 149         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 150         (Symbol_table::add_from_dynobj): Mark protected symbols.
 151         * symtab.h (Symbol::is_protected): New method.
 152         (Symbol::set_is_protected): New method.
 153         (Symbol::is_protected_): New data member.
 154
 155         * testsuite/Makefile.am (copy_test_protected): New test.
 156         * testsuite/Makefile.in: Regenerate.
 157         * testsuite/copy_test.cc (main): Add legal reference to protected
 158         symbol.
 159         * testsuite/copy_test_v1.cc (main): Likewise.
 160         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 161         * testsuite/copy_test_protected.cc: New test source file.
 162         * testsuite/copy_test_protected.sh: New test script.
 163
 164 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 165
 166         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 167         for global got symbols, and set addend to 0.
 168         (Mips_got_entry::hash): Change hash algorithm.
 169         (Mips_got_entry::equals): Refactor.
 170         (Mips_got_entry::object): Return input object for local got symbols
 171         from union d.
 172         (Mips_got_entry::addend): Change return of the relocation addend.
 173         (Mips_got_entry::addend_): Move from union d.
 174         (Mips_got_entry::object_): Move into union d.
 175         (class Mips_symbol_hash): New class.
 176         (Mips_got_info::Global_got_entry_set): New type.
 177         (Mips_got_info::global_got_symbols): Change return type to
 178         Global_got_entry_set.
 179         (Mips_got_info::global_got_symbols_): Change type to
 180         Global_got_entry_set.
 181         (Mips_symbol::hash): New method.
 182         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 183         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 184         (Mips_output_data_mips_stubs::symbols_): Change type to
 185         Mips_stubs_entry_set.
 186         (Mips_got_info::record_global_got_symbol): Don't pass object
 187         argument when creating global got symbol.
 188         (Mips_got_info::record_got_entry): Remove find before inserting
 189         got entries.
 190         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 191         to Global_got_entry_set.
 192         (Mips_got_info::count_got_symbols): Likewise.
 193         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 194         for adding entries to symbols_.
 195         (Mips_output_data_la25_stub::do_write): Change type of iterator
 196         to std::vector.
 197         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 198         of iterator to Mips_stubs_entry_set.
 199         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 200         (Mips_output_data_mips_stubs::do_write): Likewise.
 201
 202 2016-05-06  Han Shen  <shenhan@google.com>
 203
 204         PR gold/19987.
 205
 206         * aarch64-reloc.def: New relocation type.
 207         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 208         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 209         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 210         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 211
 212 2016-04-28  Nick Clifton  <nickc@redhat.com>
 213
 214         * po/zh_CN.po: Updated Chinese (simplified) translation.
 215
 216 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 217
 218         * Makefile.in: Regenerated with automake 1.11.6.
 219         * aclocal.m4: Likewise.
 220         * testsuite/Makefile.in: Likewise.
 221
 222 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 223
 224         PR gold/16979
 225         * symtab.cc (Symbol_table::define_default_version): Check for case
 226         where symbols are both in different shared objects.
 227
 228 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 229
 230         PR gold/16111
 231         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 232         R_386_GOTOFF.
 233
 234 2016-03-22  Nick Clifton  <nickc@redhat.com>
 235
 236         * configure: Regenerate.
 237
 238 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 239
 240         PR gold/19842
 241         * errors.cc (Errors::undefined_symbol): Add info message when
 242         symbol should have been provided by a plugin.
 243         * target-reloc.h (issue_undefined_symbol_error): Check for
 244         placeholder symbols defined in discarded sections.
 245         * testsuite/Makefile.am (plugin_test_9b): New test case.
 246         * testsuite/Makefile.in: Regenerate.
 247         * testsuite/plugin_test_9b_elf.cc: New test source file.
 248         * testsuite/plugin_test_9b_ir.cc: New test source file.
 249
 250 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 251
 252         PR gold/19002
 253         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 254         * testsuite/Makefile.am (eh_test_2): New test.
 255         * testsuite/Makefile.in: Regenerate.
 256         * testsuite/eh_test_2.sh: New test script.
 257         * testsuite/eh_test_a.cc (bar): Make it comdat.
 258         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 259
 260 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 261
 262         * mips.cc (Mips_relobj::is_n64_): Remove.
 263         (Target_mips::ei_class_): Likewise.
 264         (Mips_relobj::is_newabi): Call methods.
 265         (Mips_relobj::is_n64): Change checking for N64 ABI.
 266         (Target_mips::is_output_n64): Likewise.
 267         (Target_mips::merge_processor_specific_flags): Remove ei_class
 268         argument, and remove comparing ei_class.
 269         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 270         of the ELF header.
 271         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 272         to merge_processor_specific_flags.
 273         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 274         change checking for N64 ABI.
 275
 276 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 277
 278         * mips.cc (enum Special_relocation_symbol): New enum type.
 279         (is_readonly_section): New function.
 280         (eh_reloc): Likewise.
 281         (Mips_got_entry::is_section_symbol_): New member.
 282         (Mips_got_entry::is_section_symbol): New method.
 283         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 284         argument.
 285         (Mips_relobj::mips_elf_options_section_name): New method.
 286         (Mips_output_data_got::record_local_got_symbol): Add
 287         is_section_symbol argument, and pass it to
 288         Mips_got_info::record_local_got_symbol.
 289         (Mips_output_data_got::got_offset): Add addend argument, and pass
 290         it to Relobj::local_got_offset.
 291         (struct Mips_output_reloc_writer): New type.
 292         (class Mips_output_data_reloc): New class.
 293         (Mips_output_data_plt::Reloc_section): Change type to
 294         Mips_output_data_reloc.
 295         (Target_mips::Reloc_section): Likewise.
 296         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 297         (Mips_classify_reloc::get_r_type2): New method.
 298         (Mips_classify_reloc::get_r_type3): Likewise.
 299         (Mips_classify_reloc::get_r_ssym): Likewise.
 300         (Target_mips::Reloca_section): Remove.
 301         (Relocate::should_apply_static_reloc): Rename from
 302         should_apply_r_mips_32_reloc.
 303         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 304         and r_offset.
 305         (Mips_relocate_functions::Valtype): New type.
 306         (Mips_relocate_functions::Valtype64): New type.
 307         (Mips_relocate_functions::check_overflow): New method.
 308         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 309         interface.
 310         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 311         (Mips_relocate_functions::rel16): Add support for resolving
 312         relocations for Mips64.
 313         (Mips_relocate_functions::rel32): Likewise.
 314         (Mips_relocate_functions::reljalr): Likewise.
 315         (Mips_relocate_functions::relpc32): Likewise.
 316         (Mips_relocate_functions::rel26): Likewise.
 317         (Mips_relocate_functions::relpc16): Likewise.
 318         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 319         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 320         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 321         (Mips_relocate_functions::do_relhi16): Likewise.
 322         (Mips_relocate_functions::do_relgot16_local): Likewise.
 323         (Mips_relocate_functions::rello16): Likewise.
 324         (Mips_relocate_functions::relgot): Likewise.
 325         (Mips_relocate_functions::relgotpage): Likewise.
 326         (Mips_relocate_functions::relgotofst): Likewise.
 327         (Mips_relocate_functions::relgot_hi16): Likewise.
 328         (Mips_relocate_functions::relgot_lo16): Likewise.
 329         (Mips_relocate_functions::relgprel): Likewise.
 330         (Mips_relocate_functions::relgprel32): Likewise.
 331         (Mips_relocate_functions::tlsrelhi16): Likewise.
 332         (Mips_relocate_functions::tlsrello16): Likewise.
 333         (Mips_relocate_functions::tlsrel32): Likewise.
 334         (Mips_relocate_functions::relsub): Likewise.
 335         (Mips_relocate_functions::releh): New method.
 336         (Mips_relocate_functions::rel64): Likewise.
 337         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 338         pass it to Mips_got_entry.
 339         (Mips_got_info::add_local_entries): Pass addend argument
 340         to code functions, and for STT_SECTION symbols call
 341         add_symbolless_local_addend.
 342         (Mips_got_info::add_tls_entries): Pass addend argument to code
 343         functions.
 344         (Mips_relobj::do_read_symbols): Read gp value that was used to
 345         create object.
 346         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 347         instruction. Opcode for instruction will be selected later.
 348         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 349         (Target_mips::scan_relocatable_relocs): Likewise.
 350         (Target_mips::emit_relocs_scan): Likewise.
 351         (Target_mips::relocate_relocs): Likewise.
 352         (Target_mips::do_finalize_sections): Skip objects for merging
 353         processor specific flags in which all input sections will be
 354         discarded.
 355         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 356         (Target_mips::Scan::get_reference_flags): Likewise.
 357         (Target_mips::relocate_special_relocatable): Call rel26 method with
 358         calculate_only and calculated_value arguments.
 359         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 360         dynamic relocation against a readonly sections, and pass
 361         is_section_symbol to Mips_got_info::record_local_got_symbol.
 362         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 363         dynamic relocation against a readonly sections, and pass r_type
 364         and r_offset to Target_mips::copy_reloc.
 365         (Target_mips::Relocate::relocate): Add support for resolving
 366         relocations for Mips64.
 367         (Target_mips::mips_info): Add case for Mips64 default dynamic
 368         linker name.
 369         (Target_selector_mips): Correct emulation names.
 370
 371 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 372
 373         * mips.cc (class Mips_output_data_la25_stub): Add
 374         do_print_to_mapfile function.
 375
 376 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 377
 378         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 379         elf_r_info.
 380
 381 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 382
 383         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 384         * testsuite/plugin_layout_with_alignment.c: This.
 385         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 386         (plugin_layout_with_alignment): Likewise.
 387         * testsuite/Makefile.in: Regenerated.
 388
 389 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 390
 391         PR 19751
 392         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 393         for constructor.
 394         * testsuite/Makefile.in: Regenerate.
 395         * testsuite/dynamic_list.sh: Likewise.
 396         * testsuite/retain_symbols_file_test.sh: Likewise.
 397
 398 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 399
 400         PR 19751
 401         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 402         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 403
 404 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 405             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 406
 407         * output.cc (Output_reloc_writer): New type.
 408         (Output_data_reloc_base::do_write): Move implementation to template
 409         in output.h and replace with invocation of template.
 410         * output.h (Output_file): Move to top of file.
 411         (Output_reloc::get_symbol_index): Move to public interface.
 412         (Output_reloc::get_address): Likewise.
 413         (Output_data_reloc_base::do_write_generic): New function template.
 414
 415 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 416
 417         PR gold/19019
 418         PR gold/19763
 419         * symtab.cc: Instantiate Sized_symbol::init_constant and
 420         Sized_symbol::init_undefined.
 421
 422 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 423
 424         PR gold/19019
 425         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 426         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 427         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 428         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 429         (Target_sparc::do_is_defined_by_abi): Remove test for
 430         STT_SPARC_REGISTER.
 431         (Target_sparc::Register_symbol): New struct type.
 432         (Target_sparc::register_syms_): New data member.
 433         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 434         (Target_sparc::make_symbol): New function.
 435         (Target_sparc::do_finalize_sections): Add register symbols and new
 436         dynamic table entries.
 437         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 438         (Symbol_table::add_target_global_symbol): New function.
 439         (Symbol_table::target_symbols_): New data member.
 440         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 441         (Symbol_table::Symbol_table): Initialize target_symbols_.
 442         (Symbol_table::add_from_object): Pass additional parameters to
 443         Target::make_symbol.
 444         (Symbol_table::define_special_symbol): Likewise.
 445         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 446         undefined symbol value.
 447         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 448         (Symbol_table::sized_finalize): Likewise.
 449         (Symbol_table::sized_write_globals): Likewise.
 450         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 451         st_shndx, and value parameters.
 452
 453 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 454
 455         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 456         LDPK_WEAKUNDEF symbols.
 457
 458 2016-03-03  Than McIntosh  <thanm@google.com>
 459
 460         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 461         and get_input_section_alignment in transfer vector.
 462         (get_input_section_alignment): New function.
 463         (get_input_section_size): New function.
 464         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 465         * testsuite/Makefile.in: [Regenerate.]
 466         * testsuite/plugin_section_alignment.cc: New test file.
 467         * testsuite/plugin_layout_with_alignment.cc: New test file.
 468         * testsuite/plugin_layout_with_alignment.sh: New test file.
 469
 470 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 471
 472         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 473         parameter.
 474         * plugin.cc (get_symbols_v3): New function.
 475         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 476         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 477         new version.
 478
 479 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 480             Cary Coutant  <ccoutant@gmail.com>
 481
 482         PR gold/19735
 483         * ehframe.h (Cie::fde_encoding): New method.
 484         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 485         address ranges.
 486
 487 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 488
 489         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 490         -mrelax-relocations=yes to $(TEST_AS).
 491         (x86_64_mov_to_lea6.o): Likewise.
 492         (x86_64_overflow_pc32.o): Remove duplicated target.
 493         * testsuite/Makefile.in: Regenerated.
 494
 495 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 496
 497         * s390.cc (Target_s390::match_view_u): New helper method.
 498         (Target_s390::do_is_call_to_non_split): New method.
 499         (Target_s390::ss_code_st_r14): New const.
 500         (Target_s390::ss_code_l_r14): New const.
 501         (Target_s390::ss_code_bras_8): New const.
 502         (Target_s390::ss_code_l_basr): New const.
 503         (Target_s390::ss_code_a_basr): New const.
 504         (Target_s390::ss_code_ear): New const.
 505         (Target_s390::ss_code_c): New const.
 506         (Target_s390::ss_code_larl): New const.
 507         (Target_s390::ss_code_brasl): New const.
 508         (Target_s390::ss_code_jg): New const.
 509         (Target_s390::ss_code_jgl): New const.
 510         (Target_s390::ss_match_mcount): New helper method.
 511         (Target_s390::ss_match_l): New helper method.
 512         (Target_s390::ss_match_ahi): New helper method.
 513         (Target_s390::ss_match_alfi): New helper method.
 514         (Target_s390::ss_match_cr): New helper method.
 515         (Target_s390::do_calls_non_split): New method.
 516         * testsuite/Makefile.am: Added new tests.
 517         * testsuite/Makefile.in: Regenerate.
 518         * testsuite/split_s390.sh: New test.
 519         * testsuite/split_s390_1_a1.s: New test.
 520         * testsuite/split_s390_1_a2.s: New test.
 521         * testsuite/split_s390_1_n1.s: New test.
 522         * testsuite/split_s390_1_n2.s: New test.
 523         * testsuite/split_s390_1_z1.s: New test.
 524         * testsuite/split_s390_1_z2.s: New test.
 525         * testsuite/split_s390_1_z3.s: New test.
 526         * testsuite/split_s390_1_z4.s: New test.
 527         * testsuite/split_s390_2_ns.s: New test.
 528         * testsuite/split_s390_2_s.s: New test.
 529         * testsuite/split_s390x_1_a1.s: New test.
 530         * testsuite/split_s390x_1_a2.s: New test.
 531         * testsuite/split_s390x_1_n1.s: New test.
 532         * testsuite/split_s390x_1_n2.s: New test.
 533         * testsuite/split_s390x_1_z1.s: New test.
 534         * testsuite/split_s390x_1_z2.s: New test.
 535         * testsuite/split_s390x_1_z3.s: New test.
 536         * testsuite/split_s390x_1_z4.s: New test.
 537         * testsuite/split_s390x_2_ns.s: New test.
 538         * testsuite/split_s390x_2_s.s: New test.
 539
 540 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 541
 542         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 543         info message for every erratum 843419 found and fixed.
 544
 545 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 546
 547         PR gold/18695
 548         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 549         information to relocation overflow errors.
 550
 551 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 552
 553         PR gold/18695
 554         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 555         overflow checking when symbol value + addend < 0.
 556
 557 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 558
 559         PR gold/19577
 560         * reloc.h (Limits): New class.
 561         (Bits::has_overflow32): Use min/max values from Limits.
 562         (Bits::has_unsigned_overflow32): Likewise.
 563         (Bits::has_signed_unsigned_overflow32): Likewise.
 564         (Bits::has_overflow): Likewise.
 565         (Bits::has_unsigned_overflow): Likewise.
 566         (Bits::has_signed_unsigned_overflow64): Likewise.
 567
 568 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 569
 570         PR gold/19567
 571         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 572         * x86_64.cc (X86_64_relocate_functions): New class.
 573         (Target_x86_64::Relocate::relocate): Use the new class.
 574         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 575         (x32_overflow_pc32): New test case.
 576         * testsuite/Makefile.in: Regenerate.
 577         * testsuite/x32_overflow_pc32.sh: New script.
 578         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 579
 580 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 581
 582         PR gold/19577
 583         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 584         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 585
 586 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 587
 588         PR gold/19577
 589         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 590         comparison.
 591         (Bits::has_unsigned_overflow): Likewise.
 592
 593 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 594
 595         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 596         parameters.
 597         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 598         and view_size to is_call_to_non_split.
 599         * target.cc (Target::is_call_to_non_split): Add view and view_size
 600         parameters.
 601         * target.h (class Target): Likewise.
 602
 603 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 604
 605         * icf.cc (get_rel_addend): New function.
 606         (get_section_contents):  Move merge section addend computation to a
 607         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 608         Fix bug to not read past the length of the section.
 609
 610 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 611             Andrew Senkevich  <andrew.senkevich@intel.com>
 612
 613         PR gold/18695
 614         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 615         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 616         R_X86_64_PLT32.
 617         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 618         * testsuite/x86_64_overflow_pc32.sh: New test script.
 619         * testsuite/x86_64_overflow_pc32.s: New source file.
 620
 621 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 622
 623         PR gold/18695
 624         * reloc.h (Relocate_functions::Address): New typedef.
 625         (Relocate_functions::Addendtype): New typedef.
 626         (Relocate_functions::Overflow_check): New enum type.
 627         (Relocate_functions::Reloc_status): New enum type.
 628         (Relocate_functions::check_overflow): New function template.
 629         (Relocate_functions::rel): Add check parameter; check for overflow.
 630         (Relocate_functions::rel_unaligned): Likewise.
 631         (Relocate_functions::rela): Likewise.
 632         (Relocate_functions::pcrel): Likewise.
 633         (Relocate_functions::pcrel_unaligned): Likewise.
 634         (Relocate_functions::pcrela): Likewise.
 635         (Relocate_functions::rel8): Adjust parameter types.
 636         (Relocate_functions::rela8): Likewise.
 637         (Relocate_functions::pcrel8): Likewise.
 638         (Relocate_functions::pcrela8): Likewise.
 639         (Relocate_functions::rel16): Likewise.
 640         (Relocate_functions::rela168): Likewise.
 641         (Relocate_functions::pcrel16): Likewise.
 642         (Relocate_functions::pcrela16): Likewise.
 643         (Relocate_functions::rel32): Likewise.
 644         (Relocate_functions::rel32_unaligned): Likewise.
 645         (Relocate_functions::rela32): Likewise.
 646         (Relocate_functions::pcrel32): Likewise.
 647         (Relocate_functions::pcrel32_unaligned): Likewise.
 648         (Relocate_functions::pcrela32): Likewise.
 649         (Relocate_functions::rel8_check): New function.
 650         (Relocate_functions::rela8_check): New function.
 651         (Relocate_functions::pcrel8_check): New function.
 652         (Relocate_functions::pcrela8_check): New function.
 653         (Relocate_functions::rel16_check): New function.
 654         (Relocate_functions::rela168_check): New function.
 655         (Relocate_functions::pcrel16_check): New function.
 656         (Relocate_functions::pcrela16_check): New function.
 657         (Relocate_functions::rel32_check): New function.
 658         (Relocate_functions::rel32_unaligned_check): New function.
 659         (Relocate_functions::rela32_check): New function.
 660         (Relocate_functions::pcrel32_check): New function.
 661         (Relocate_functions::pcrel32_unaligned_check): New function.
 662         (Relocate_functions::pcrela32_check): New function.
 663         (Bits::has_unsigned_overflow32): New function.
 664         (Bits::has_unsigned_overflow): New function.
 665         * testsuite/Makefile.am (overflow_unittest): New test.
 666         * testsuite/Makefile.in: Regenerate.
 667         * testsuite/overflow_unittest.cc: New source file.
 668
 669 2016-02-04  Alan Modra  <amodra@gmail.com>
 670
 671         * powerpc.cc (relocate): Adjust last patch for big-endian.
 672
 673 2016-02-02  Alan Modra  <amodra@gmail.com>
 674
 675         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
 676
 677 2016-01-15 Han Shen  <shenhan@google.com>
 678
 679         PR gold/19472 - need pc-relative stubs.
 680
 681         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
 682         stub type for DSOs and pie executables.
 683
 684 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 685
 686         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
 687         'typename'.
 688
 689 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
 690
 691         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
 692         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
 693         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
 694         specializations) New method.
 695
 696 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 697
 698         PR gold/19353
 699         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
 700         we have a TLS segment for GD-to-IE optimization.
 701         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
 702         Adjust all calls.
 703         (Target_i386::tls_desc_gd_to_ie): Likewise.
 704         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
 705         for TLSDESC GD-to-IE optimizations.
 706         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
 707         Adjust all calls.
 708         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
 709         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
 710         for TLSDESC GD-to-IE optimizations.
 711
 712 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 713
 714         Refactor gold to enable support for MIPS-64 relocation format.
 715
 716         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
 717         (gc_process_relocs): Remove sh_type template parameter.
 718         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
 719         * object.h (Sized_relobj_file::split_stack_adjust): Add target
 720         parameter.
 721         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
 722         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
 723         specializations) Remove.
 724         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
 725         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
 726         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
 727         (Sized_relobj_file::split_stack_adjust): Add target parameter.
 728         Adjust all callers.
 729         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
 730         Target::get_r_sym() to get r_sym field from relocations.
 731         (Track_relocs::next_symndx): Call Target::get_r_sym().
 732         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
 733         add Classify_reloc template parameter.  Use for accessing r_sym and
 734         r_type.
 735         (relocate_section): Likewise.
 736         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
 737         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
 738         (Default_scan_relocatable_relocs::Reltype): New typedef.
 739         (Default_scan_relocatable_relocs::reloc_size): New const.
 740         (Default_scan_relocatable_relocs::sh_type): New const.
 741         (Default_scan_relocatable_relocs::get_r_sym): New method.
 742         (Default_scan_relocatable_relocs::get_r_type): New method.
 743         (Default_emit_relocs_strategy): New class.
 744         (scan_relocatable_relocs): Replace sh_type template parameter with
 745         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
 746         fields.
 747         (relocate_relocs): Replace sh_type template parameter with
 748         Classify_reloc class.  Use it to access r_sym and r_type fields.
 749         * target.h (Target::is_call_to_non_split): Replace r_type parameter
 750         with pointer to relocation. Adjust all callers.
 751         (Target::do_is_call_to_non_split): Likewise.
 752         (Target::emit_relocs_scan): New virtual method.
 753         (Sized_target::get_r_sym): New virtual method.
 754         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
 755         with pointer to relocation.
 756
 757         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
 758         (Target_aarch64::Relocatable_size_for_reloc): Remove.
 759         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
 760         (Target_aarch64::scan_relocs): Likewise.
 761         (Target_aarch64::relocate_section): Likewise.
 762         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
 763         Remove.
 764         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
 765         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
 766         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
 767         template parameter.
 768         (Target_arm::emit_relocs_scan): New method.
 769         (Target_arm::Relocatable_size_for_reloc): Replace with...
 770         (Target_arm::Classify_reloc): ...this.
 771         (Target_arm::gc_process_relocs): Use Classify_reloc.
 772         (Target_arm::scan_relocs): Likewise.
 773         (Target_arm::relocate_section): Likewise.
 774         (Target_arm::scan_relocatable_relocs): Likewise.
 775         (Target_arm::relocate_relocs): Likewise.
 776         * i386.cc (Target_i386::emit_relocs_scan): New method.
 777         (Target_i386::Relocatable_size_for_reloc): Replace with...
 778         (Target_i386::Classify_reloc): ...this.
 779         (Target_i386::gc_process_relocs): Use Classify_reloc.
 780         (Target_i386::scan_relocs): Likewise.
 781         (Target_i386::relocate_section): Likewise.
 782         (Target_i386::scan_relocatable_relocs): Likewise.
 783         (Target_i386::relocate_relocs): Likewise.
 784         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
 785         parameter.
 786         (Mips_reloc_types): New class template.
 787         (Mips_classify_reloc): New class template.
 788         (Target_mips::Reltype): New typedef.
 789         (Target_mips::Relatype): New typedef.
 790         (Target_mips::emit_relocs_scan): New method.
 791         (Target_mips::get_r_sym): New method.
 792         (Target_mips::Relocatable_size_for_reloc): Replace with
 793         Mips_classify_reloc.
 794         (Target_mips::copy_reloc): Use Mips_classify_reloc.
 795         (Target_mips::gc_process_relocs): Likewise.
 796         (Target_mips::scan_relocs): Likewise.
 797         (Target_mips::relocate_section): Likewise.
 798         (Target_mips::scan_relocatable_relocs): Likewise.
 799         (Target_mips::relocate_relocs): Likewise.
 800         (mips_get_size_for_reloc): New function, factored out from
 801         Relocatable_size_for_reloc::get_size_for_reloc.
 802         (Target_mips::Scan::local): Use Mips_classify_reloc.
 803         (Target_mips::Scan::global): Likewise.
 804         (Target_mips::Relocate::relocate): Likewise.
 805         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
 806         (Target_powerpc::Relocatable_size_for_reloc): Remove.
 807         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
 808         (Target_powerpc::scan_relocs): Likewise.
 809         (Target_powerpc::relocate_section): Likewise.
 810         (Powerpc_scan_relocatable_reloc): Convert to class template.
 811         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
 812         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
 813         (Powerpc_scan_relocatable_reloc::sh_type): New const.
 814         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
 815         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
 816         (Target_powerpc::scan_relocatable_relocs): Use
 817         Powerpc_scan_relocatable_reloc.
 818         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
 819         * s390.cc (Target_s390::emit_relocs_scan): New method.
 820         (Target_s390::Relocatable_size_for_reloc): Remove.
 821         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
 822         (Target_s390::scan_relocs): Likewise.
 823         (Target_s390::relocate_section): Likewise.
 824         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
 825         Remove.
 826         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
 827         (Target_s390::relocate_relocs): Use Default_classify_reloc.
 828         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
 829         (Target_sparc::Relocatable_size_for_reloc): Remove.
 830         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
 831         (Target_sparc::scan_relocs): Likewise.
 832         (Target_sparc::relocate_section): Likewise.
 833         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
 834         Remove.
 835         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
 836         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
 837         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
 838         (Target_tilegx::Relocatable_size_for_reloc): Remove.
 839         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
 840         (Target_tilegx::scan_relocs): Likewise.
 841         (Target_tilegx::relocate_section): Likewise.
 842         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
 843         Remove.
 844         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
 845         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
 846         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
 847         (Target_x86_64::Relocatable_size_for_reloc): Remove.
 848         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
 849         (Target_x86_64::scan_relocs): Likewise.
 850         (Target_x86_64::relocate_section): Likewise.
 851         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
 852         Remove.
 853         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
 854         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
 855
 856         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
 857
 858 2016-01-01  Alan Modra  <amodra@gmail.com>
 859
 860         Update year range in copyright notice of all files.
 861
 862 For older changes see ChangeLog-0815
 863 \f
 864 Copyright (C) 2016 Free Software Foundation, Inc.
 865
 866 Copying and distribution of this file, with or without modification,
 867 are permitted in any medium without royalty provided the copyright
 868 notice and this notice are preserved.
 869
 870 Local Variables:
 871 mode: change-log
 872 left-margin: 8
 873 fill-column: 74
 874 version-control: never
 875 End: