gold/ChangeLog

   1 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
   2
   3         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
   4         (Target_mips::rld_map_): New data member.
   5         (Target_mips::do_finalize_sections): Add support for
   6         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
   7         .rld_map section, and __RLD_MAP symbol.
   8         (Target_mips::do_dynamic_tag_custom_value): Add support for
   9         DT_MIPS_RLD_MAP_REL dynamic tag.
  10         * output.cc (Output_data_dynamic::get_entry_offset): New method
  11         definition.
  12         * output.h (Output_data_dynamic::get_entry_offset): New method
  13         declaration.
  14
  15 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  16
  17         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
  18
  19 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  20
  21         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
  22         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
  23         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
  24         (is_matching_lo16_reloc): Likewise.
  25         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
  26         (Mips_output_data_plt::plt_entry_r6): New static data member for
  27         R6 PLT entry.
  28         (Target_mips::is_output_r6): New method.
  29         (Target_mips::Mips_mach): Add new enum constants.
  30         (Mips_relocate_functions::Status): Likewise.
  31         (Mips_relocate_functions::pchi16_relocs): New static data member.
  32         (Mips_relocate_functions::relpc21): New method.
  33         (Mips_relocate_functions::relpc26): Likewise.
  34         (Mips_relocate_functions::relpc18): Likewise.
  35         (Mips_relocate_functions::relpc19): Likewise.
  36         (Mips_relocate_functions::relpchi16): Likewise.
  37         (Mips_relocate_functions::do_relpchi16): Likewise.
  38         (Mips_relocate_functions::relpclo16): Likewise.
  39         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
  40         entry.
  41         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
  42         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
  43         E_MIPS_ARCH_64R6 support.
  44         (Target_mips::update_abiflags_isa): Likewise.
  45         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
  46         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
  47         R_MIPS_PC19_S2.
  48         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
  49         and R_MIPS_PCLO16.
  50         (Target_mips::Scan::global): Add support for relocs:
  51         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
  52         (Target_mips::Relocate::relocate): Call functions for resolving
  53         Mips32r6 and Mips64r6 relocations, and print error message for
  54         STATUS_PCREL_UNALIGNED.
  55         (Target_mips::Scan::get_reference_flags): Add support for relocs:
  56         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
  57         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
  58         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
  59         E_MIPS_ARCH_64R6 support.
  60
  61 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
  62
  63         PR gold/20246
  64         * testsuite/script_test_2.t: Add .got.plt after .got.
  65
  66 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  67
  68         * mips.cc (struct Mips_abiflags): New struct.
  69         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
  70         and abiflags_.
  71         (Mips_relobj::~Mips_relobj): Delete object pointed by
  72         attributes_section_data_.
  73         (Mips_relobj::abiflags): New method.
  74         (Mips_relobj::attributes_section_data): Likewise.
  75         (Mips_relobj::attributes_section_data_): New data member.
  76         (Mips_relobj::abiflags_): Likewise.
  77         (class Mips_output_section_abiflags): New class.
  78         (Target_mips::Target_mips): Initialize attributes_section_data_,
  79         abiflags_ and has_abiflags_section_.
  80         (Target_mips::do_should_include_section): Don't emit input
  81         .MIPS.abiflags sections to output .MIPS.abiflags.
  82         (Target_mips::Mips_mach): Add new enum constants.
  83         (Target_mips::mips_isa_ext_mach): New method.
  84         (Target_mips::mips_isa_ext): Likewise.
  85         (Target_mips::update_abiflags_isa): Likewise.
  86         (Target_mips::infer_abiflags): Likewise.
  87         (Target_mips::create_abiflags): Likewise.
  88         (Target_mips::fp_abi_string): Likewise.
  89         (Target_mips::select_fp_abi): Likewise.
  90         (Target_mips::merge_obj_attributes): Likewise.
  91         (Target_mips::merge_obj_abiflags): Likewise.
  92         (Target_mips::level_rev): Likewise.
  93         (Target_mips::merge_obj_e_flags): Rename from
  94         merge_processor_specific_flags. Remove dyn_obj argument,
  95         call update_abiflags_isa when needed, compare NaN encodings and
  96         compare FP64 state.
  97         (Target_mips::add_machine_extensions): Add two machine extensions
  98         and fix one.
  99         (Target_mips::attributes_section_data_): New data member.
 100         (Target_mips::abiflags_): Likewise.
 101         (Target_mips::has_abiflags_section_): Likewise.
 102         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 103         .MIPS.abiflags sections if they exists.
 104         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 105         E_MIPS_MACH_OCTEON3 support.
 106         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 107         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 108         .MIPS.abiflags sections from input. Create these sections if
 109         needed.
 110         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 111         E_MIPS_MACH_OCTEON3 support, and change strings for
 112         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 113         to match bfd.
 114
 115 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 116
 117         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 118         has_reginfo_section_.
 119         (Mips_relobj::has_reginfo_section_): New data member.
 120         (Mips_relobj::has_reginfo_section): New method.
 121         (class Mips_output_section_reginfo): Change base class to
 122         Output_section_data, and set masks of the output .reginfo section
 123         in constructor.
 124         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 125         Remove.
 126         (Mips_output_section_reginfo::set_masks): Likewise.
 127         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 128         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 129         (Target_mips::do_make_output_section): Remove.
 130         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 131         if the object contains a .reginfo section.
 132         (Target_mips::do_finalize_sections): Create a .reginfo output
 133         section if needed.
 134
 135 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 136
 137         * mips.cc (Mips_output_data_got::do_write): Add missing template
 138         args via typedef.
 139
 140 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 141
 142         PR/19960
 143         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 144         (Target_s390::ss_code_l_r14): Removed.
 145         (Target_s390::ss_code_ear): Removed.
 146         (Target_s390::ss_code_c): Removed.
 147         (Target_s390::ss_match_st_r14): New function.
 148         (Target_s390::ss_match_l_r14): New function.
 149         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 150         of matching code directly.
 151         (Target_s390::ss_match_ear): New function.
 152         (Target_s390::ss_match_c): New function.
 153         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 154         of matching code directly.
 155
 156 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 157
 158         PR gold/19823
 159         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 160         parameter; check for protected symbol.
 161         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 162         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 163         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 164         (Symbol_table::add_from_dynobj): Mark protected symbols.
 165         * symtab.h (Symbol::is_protected): New method.
 166         (Symbol::set_is_protected): New method.
 167         (Symbol::is_protected_): New data member.
 168
 169         * testsuite/Makefile.am (copy_test_protected): New test.
 170         * testsuite/Makefile.in: Regenerate.
 171         * testsuite/copy_test.cc (main): Add legal reference to protected
 172         symbol.
 173         * testsuite/copy_test_v1.cc (main): Likewise.
 174         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 175         * testsuite/copy_test_protected.cc: New test source file.
 176         * testsuite/copy_test_protected.sh: New test script.
 177
 178 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 179
 180         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 181         for global got symbols, and set addend to 0.
 182         (Mips_got_entry::hash): Change hash algorithm.
 183         (Mips_got_entry::equals): Refactor.
 184         (Mips_got_entry::object): Return input object for local got symbols
 185         from union d.
 186         (Mips_got_entry::addend): Change return of the relocation addend.
 187         (Mips_got_entry::addend_): Move from union d.
 188         (Mips_got_entry::object_): Move into union d.
 189         (class Mips_symbol_hash): New class.
 190         (Mips_got_info::Global_got_entry_set): New type.
 191         (Mips_got_info::global_got_symbols): Change return type to
 192         Global_got_entry_set.
 193         (Mips_got_info::global_got_symbols_): Change type to
 194         Global_got_entry_set.
 195         (Mips_symbol::hash): New method.
 196         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 197         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 198         (Mips_output_data_mips_stubs::symbols_): Change type to
 199         Mips_stubs_entry_set.
 200         (Mips_got_info::record_global_got_symbol): Don't pass object
 201         argument when creating global got symbol.
 202         (Mips_got_info::record_got_entry): Remove find before inserting
 203         got entries.
 204         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 205         to Global_got_entry_set.
 206         (Mips_got_info::count_got_symbols): Likewise.
 207         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 208         for adding entries to symbols_.
 209         (Mips_output_data_la25_stub::do_write): Change type of iterator
 210         to std::vector.
 211         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 212         of iterator to Mips_stubs_entry_set.
 213         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 214         (Mips_output_data_mips_stubs::do_write): Likewise.
 215
 216 2016-05-06  Han Shen  <shenhan@google.com>
 217
 218         PR gold/19987.
 219
 220         * aarch64-reloc.def: New relocation type.
 221         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 222         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 223         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 224         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 225
 226 2016-04-28  Nick Clifton  <nickc@redhat.com>
 227
 228         * po/zh_CN.po: Updated Chinese (simplified) translation.
 229
 230 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 231
 232         * Makefile.in: Regenerated with automake 1.11.6.
 233         * aclocal.m4: Likewise.
 234         * testsuite/Makefile.in: Likewise.
 235
 236 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 237
 238         PR gold/16979
 239         * symtab.cc (Symbol_table::define_default_version): Check for case
 240         where symbols are both in different shared objects.
 241
 242 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 243
 244         PR gold/16111
 245         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 246         R_386_GOTOFF.
 247
 248 2016-03-22  Nick Clifton  <nickc@redhat.com>
 249
 250         * configure: Regenerate.
 251
 252 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 253
 254         PR gold/19842
 255         * errors.cc (Errors::undefined_symbol): Add info message when
 256         symbol should have been provided by a plugin.
 257         * target-reloc.h (issue_undefined_symbol_error): Check for
 258         placeholder symbols defined in discarded sections.
 259         * testsuite/Makefile.am (plugin_test_9b): New test case.
 260         * testsuite/Makefile.in: Regenerate.
 261         * testsuite/plugin_test_9b_elf.cc: New test source file.
 262         * testsuite/plugin_test_9b_ir.cc: New test source file.
 263
 264 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 265
 266         PR gold/19002
 267         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 268         * testsuite/Makefile.am (eh_test_2): New test.
 269         * testsuite/Makefile.in: Regenerate.
 270         * testsuite/eh_test_2.sh: New test script.
 271         * testsuite/eh_test_a.cc (bar): Make it comdat.
 272         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 273
 274 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 275
 276         * mips.cc (Mips_relobj::is_n64_): Remove.
 277         (Target_mips::ei_class_): Likewise.
 278         (Mips_relobj::is_newabi): Call methods.
 279         (Mips_relobj::is_n64): Change checking for N64 ABI.
 280         (Target_mips::is_output_n64): Likewise.
 281         (Target_mips::merge_processor_specific_flags): Remove ei_class
 282         argument, and remove comparing ei_class.
 283         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 284         of the ELF header.
 285         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 286         to merge_processor_specific_flags.
 287         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 288         change checking for N64 ABI.
 289
 290 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 291
 292         * mips.cc (enum Special_relocation_symbol): New enum type.
 293         (is_readonly_section): New function.
 294         (eh_reloc): Likewise.
 295         (Mips_got_entry::is_section_symbol_): New member.
 296         (Mips_got_entry::is_section_symbol): New method.
 297         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 298         argument.
 299         (Mips_relobj::mips_elf_options_section_name): New method.
 300         (Mips_output_data_got::record_local_got_symbol): Add
 301         is_section_symbol argument, and pass it to
 302         Mips_got_info::record_local_got_symbol.
 303         (Mips_output_data_got::got_offset): Add addend argument, and pass
 304         it to Relobj::local_got_offset.
 305         (struct Mips_output_reloc_writer): New type.
 306         (class Mips_output_data_reloc): New class.
 307         (Mips_output_data_plt::Reloc_section): Change type to
 308         Mips_output_data_reloc.
 309         (Target_mips::Reloc_section): Likewise.
 310         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 311         (Mips_classify_reloc::get_r_type2): New method.
 312         (Mips_classify_reloc::get_r_type3): Likewise.
 313         (Mips_classify_reloc::get_r_ssym): Likewise.
 314         (Target_mips::Reloca_section): Remove.
 315         (Relocate::should_apply_static_reloc): Rename from
 316         should_apply_r_mips_32_reloc.
 317         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 318         and r_offset.
 319         (Mips_relocate_functions::Valtype): New type.
 320         (Mips_relocate_functions::Valtype64): New type.
 321         (Mips_relocate_functions::check_overflow): New method.
 322         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 323         interface.
 324         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 325         (Mips_relocate_functions::rel16): Add support for resolving
 326         relocations for Mips64.
 327         (Mips_relocate_functions::rel32): Likewise.
 328         (Mips_relocate_functions::reljalr): Likewise.
 329         (Mips_relocate_functions::relpc32): Likewise.
 330         (Mips_relocate_functions::rel26): Likewise.
 331         (Mips_relocate_functions::relpc16): Likewise.
 332         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 333         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 334         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 335         (Mips_relocate_functions::do_relhi16): Likewise.
 336         (Mips_relocate_functions::do_relgot16_local): Likewise.
 337         (Mips_relocate_functions::rello16): Likewise.
 338         (Mips_relocate_functions::relgot): Likewise.
 339         (Mips_relocate_functions::relgotpage): Likewise.
 340         (Mips_relocate_functions::relgotofst): Likewise.
 341         (Mips_relocate_functions::relgot_hi16): Likewise.
 342         (Mips_relocate_functions::relgot_lo16): Likewise.
 343         (Mips_relocate_functions::relgprel): Likewise.
 344         (Mips_relocate_functions::relgprel32): Likewise.
 345         (Mips_relocate_functions::tlsrelhi16): Likewise.
 346         (Mips_relocate_functions::tlsrello16): Likewise.
 347         (Mips_relocate_functions::tlsrel32): Likewise.
 348         (Mips_relocate_functions::relsub): Likewise.
 349         (Mips_relocate_functions::releh): New method.
 350         (Mips_relocate_functions::rel64): Likewise.
 351         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 352         pass it to Mips_got_entry.
 353         (Mips_got_info::add_local_entries): Pass addend argument
 354         to code functions, and for STT_SECTION symbols call
 355         add_symbolless_local_addend.
 356         (Mips_got_info::add_tls_entries): Pass addend argument to code
 357         functions.
 358         (Mips_relobj::do_read_symbols): Read gp value that was used to
 359         create object.
 360         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 361         instruction. Opcode for instruction will be selected later.
 362         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 363         (Target_mips::scan_relocatable_relocs): Likewise.
 364         (Target_mips::emit_relocs_scan): Likewise.
 365         (Target_mips::relocate_relocs): Likewise.
 366         (Target_mips::do_finalize_sections): Skip objects for merging
 367         processor specific flags in which all input sections will be
 368         discarded.
 369         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 370         (Target_mips::Scan::get_reference_flags): Likewise.
 371         (Target_mips::relocate_special_relocatable): Call rel26 method with
 372         calculate_only and calculated_value arguments.
 373         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 374         dynamic relocation against a readonly sections, and pass
 375         is_section_symbol to Mips_got_info::record_local_got_symbol.
 376         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 377         dynamic relocation against a readonly sections, and pass r_type
 378         and r_offset to Target_mips::copy_reloc.
 379         (Target_mips::Relocate::relocate): Add support for resolving
 380         relocations for Mips64.
 381         (Target_mips::mips_info): Add case for Mips64 default dynamic
 382         linker name.
 383         (Target_selector_mips): Correct emulation names.
 384
 385 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 386
 387         * mips.cc (class Mips_output_data_la25_stub): Add
 388         do_print_to_mapfile function.
 389
 390 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 391
 392         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 393         elf_r_info.
 394
 395 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 396
 397         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 398         * testsuite/plugin_layout_with_alignment.c: This.
 399         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 400         (plugin_layout_with_alignment): Likewise.
 401         * testsuite/Makefile.in: Regenerated.
 402
 403 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 404
 405         PR 19751
 406         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 407         for constructor.
 408         * testsuite/Makefile.in: Regenerate.
 409         * testsuite/dynamic_list.sh: Likewise.
 410         * testsuite/retain_symbols_file_test.sh: Likewise.
 411
 412 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 413
 414         PR 19751
 415         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 416         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 417
 418 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 419             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 420
 421         * output.cc (Output_reloc_writer): New type.
 422         (Output_data_reloc_base::do_write): Move implementation to template
 423         in output.h and replace with invocation of template.
 424         * output.h (Output_file): Move to top of file.
 425         (Output_reloc::get_symbol_index): Move to public interface.
 426         (Output_reloc::get_address): Likewise.
 427         (Output_data_reloc_base::do_write_generic): New function template.
 428
 429 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 430
 431         PR gold/19019
 432         PR gold/19763
 433         * symtab.cc: Instantiate Sized_symbol::init_constant and
 434         Sized_symbol::init_undefined.
 435
 436 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 437
 438         PR gold/19019
 439         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 440         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 441         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 442         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 443         (Target_sparc::do_is_defined_by_abi): Remove test for
 444         STT_SPARC_REGISTER.
 445         (Target_sparc::Register_symbol): New struct type.
 446         (Target_sparc::register_syms_): New data member.
 447         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 448         (Target_sparc::make_symbol): New function.
 449         (Target_sparc::do_finalize_sections): Add register symbols and new
 450         dynamic table entries.
 451         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 452         (Symbol_table::add_target_global_symbol): New function.
 453         (Symbol_table::target_symbols_): New data member.
 454         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 455         (Symbol_table::Symbol_table): Initialize target_symbols_.
 456         (Symbol_table::add_from_object): Pass additional parameters to
 457         Target::make_symbol.
 458         (Symbol_table::define_special_symbol): Likewise.
 459         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 460         undefined symbol value.
 461         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 462         (Symbol_table::sized_finalize): Likewise.
 463         (Symbol_table::sized_write_globals): Likewise.
 464         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 465         st_shndx, and value parameters.
 466
 467 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 468
 469         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 470         LDPK_WEAKUNDEF symbols.
 471
 472 2016-03-03  Than McIntosh  <thanm@google.com>
 473
 474         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 475         and get_input_section_alignment in transfer vector.
 476         (get_input_section_alignment): New function.
 477         (get_input_section_size): New function.
 478         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 479         * testsuite/Makefile.in: [Regenerate.]
 480         * testsuite/plugin_section_alignment.cc: New test file.
 481         * testsuite/plugin_layout_with_alignment.cc: New test file.
 482         * testsuite/plugin_layout_with_alignment.sh: New test file.
 483
 484 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 485
 486         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 487         parameter.
 488         * plugin.cc (get_symbols_v3): New function.
 489         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 490         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 491         new version.
 492
 493 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 494             Cary Coutant  <ccoutant@gmail.com>
 495
 496         PR gold/19735
 497         * ehframe.h (Cie::fde_encoding): New method.
 498         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 499         address ranges.
 500
 501 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 502
 503         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 504         -mrelax-relocations=yes to $(TEST_AS).
 505         (x86_64_mov_to_lea6.o): Likewise.
 506         (x86_64_overflow_pc32.o): Remove duplicated target.
 507         * testsuite/Makefile.in: Regenerated.
 508
 509 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 510
 511         * s390.cc (Target_s390::match_view_u): New helper method.
 512         (Target_s390::do_is_call_to_non_split): New method.
 513         (Target_s390::ss_code_st_r14): New const.
 514         (Target_s390::ss_code_l_r14): New const.
 515         (Target_s390::ss_code_bras_8): New const.
 516         (Target_s390::ss_code_l_basr): New const.
 517         (Target_s390::ss_code_a_basr): New const.
 518         (Target_s390::ss_code_ear): New const.
 519         (Target_s390::ss_code_c): New const.
 520         (Target_s390::ss_code_larl): New const.
 521         (Target_s390::ss_code_brasl): New const.
 522         (Target_s390::ss_code_jg): New const.
 523         (Target_s390::ss_code_jgl): New const.
 524         (Target_s390::ss_match_mcount): New helper method.
 525         (Target_s390::ss_match_l): New helper method.
 526         (Target_s390::ss_match_ahi): New helper method.
 527         (Target_s390::ss_match_alfi): New helper method.
 528         (Target_s390::ss_match_cr): New helper method.
 529         (Target_s390::do_calls_non_split): New method.
 530         * testsuite/Makefile.am: Added new tests.
 531         * testsuite/Makefile.in: Regenerate.
 532         * testsuite/split_s390.sh: New test.
 533         * testsuite/split_s390_1_a1.s: New test.
 534         * testsuite/split_s390_1_a2.s: New test.
 535         * testsuite/split_s390_1_n1.s: New test.
 536         * testsuite/split_s390_1_n2.s: New test.
 537         * testsuite/split_s390_1_z1.s: New test.
 538         * testsuite/split_s390_1_z2.s: New test.
 539         * testsuite/split_s390_1_z3.s: New test.
 540         * testsuite/split_s390_1_z4.s: New test.
 541         * testsuite/split_s390_2_ns.s: New test.
 542         * testsuite/split_s390_2_s.s: New test.
 543         * testsuite/split_s390x_1_a1.s: New test.
 544         * testsuite/split_s390x_1_a2.s: New test.
 545         * testsuite/split_s390x_1_n1.s: New test.
 546         * testsuite/split_s390x_1_n2.s: New test.
 547         * testsuite/split_s390x_1_z1.s: New test.
 548         * testsuite/split_s390x_1_z2.s: New test.
 549         * testsuite/split_s390x_1_z3.s: New test.
 550         * testsuite/split_s390x_1_z4.s: New test.
 551         * testsuite/split_s390x_2_ns.s: New test.
 552         * testsuite/split_s390x_2_s.s: New test.
 553
 554 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 555
 556         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 557         info message for every erratum 843419 found and fixed.
 558
 559 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 560
 561         PR gold/18695
 562         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 563         information to relocation overflow errors.
 564
 565 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 566
 567         PR gold/18695
 568         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 569         overflow checking when symbol value + addend < 0.
 570
 571 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 572
 573         PR gold/19577
 574         * reloc.h (Limits): New class.
 575         (Bits::has_overflow32): Use min/max values from Limits.
 576         (Bits::has_unsigned_overflow32): Likewise.
 577         (Bits::has_signed_unsigned_overflow32): Likewise.
 578         (Bits::has_overflow): Likewise.
 579         (Bits::has_unsigned_overflow): Likewise.
 580         (Bits::has_signed_unsigned_overflow64): Likewise.
 581
 582 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 583
 584         PR gold/19567
 585         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 586         * x86_64.cc (X86_64_relocate_functions): New class.
 587         (Target_x86_64::Relocate::relocate): Use the new class.
 588         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 589         (x32_overflow_pc32): New test case.
 590         * testsuite/Makefile.in: Regenerate.
 591         * testsuite/x32_overflow_pc32.sh: New script.
 592         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 593
 594 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 595
 596         PR gold/19577
 597         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 598         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 599
 600 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 601
 602         PR gold/19577
 603         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 604         comparison.
 605         (Bits::has_unsigned_overflow): Likewise.
 606
 607 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 608
 609         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 610         parameters.
 611         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 612         and view_size to is_call_to_non_split.
 613         * target.cc (Target::is_call_to_non_split): Add view and view_size
 614         parameters.
 615         * target.h (class Target): Likewise.
 616
 617 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 618
 619         * icf.cc (get_rel_addend): New function.
 620         (get_section_contents):  Move merge section addend computation to a
 621         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 622         Fix bug to not read past the length of the section.
 623
 624 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 625             Andrew Senkevich  <andrew.senkevich@intel.com>
 626
 627         PR gold/18695
 628         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 629         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 630         R_X86_64_PLT32.
 631         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 632         * testsuite/x86_64_overflow_pc32.sh: New test script.
 633         * testsuite/x86_64_overflow_pc32.s: New source file.
 634
 635 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 636
 637         PR gold/18695
 638         * reloc.h (Relocate_functions::Address): New typedef.
 639         (Relocate_functions::Addendtype): New typedef.
 640         (Relocate_functions::Overflow_check): New enum type.
 641         (Relocate_functions::Reloc_status): New enum type.
 642         (Relocate_functions::check_overflow): New function template.
 643         (Relocate_functions::rel): Add check parameter; check for overflow.
 644         (Relocate_functions::rel_unaligned): Likewise.
 645         (Relocate_functions::rela): Likewise.
 646         (Relocate_functions::pcrel): Likewise.
 647         (Relocate_functions::pcrel_unaligned): Likewise.
 648         (Relocate_functions::pcrela): Likewise.
 649         (Relocate_functions::rel8): Adjust parameter types.
 650         (Relocate_functions::rela8): Likewise.
 651         (Relocate_functions::pcrel8): Likewise.
 652         (Relocate_functions::pcrela8): Likewise.
 653         (Relocate_functions::rel16): Likewise.
 654         (Relocate_functions::rela168): Likewise.
 655         (Relocate_functions::pcrel16): Likewise.
 656         (Relocate_functions::pcrela16): Likewise.
 657         (Relocate_functions::rel32): Likewise.
 658         (Relocate_functions::rel32_unaligned): Likewise.
 659         (Relocate_functions::rela32): Likewise.
 660         (Relocate_functions::pcrel32): Likewise.
 661         (Relocate_functions::pcrel32_unaligned): Likewise.
 662         (Relocate_functions::pcrela32): Likewise.
 663         (Relocate_functions::rel8_check): New function.
 664         (Relocate_functions::rela8_check): New function.
 665         (Relocate_functions::pcrel8_check): New function.
 666         (Relocate_functions::pcrela8_check): New function.
 667         (Relocate_functions::rel16_check): New function.
 668         (Relocate_functions::rela168_check): New function.
 669         (Relocate_functions::pcrel16_check): New function.
 670         (Relocate_functions::pcrela16_check): New function.
 671         (Relocate_functions::rel32_check): New function.
 672         (Relocate_functions::rel32_unaligned_check): New function.
 673         (Relocate_functions::rela32_check): New function.
 674         (Relocate_functions::pcrel32_check): New function.
 675         (Relocate_functions::pcrel32_unaligned_check): New function.
 676         (Relocate_functions::pcrela32_check): New function.
 677         (Bits::has_unsigned_overflow32): New function.
 678         (Bits::has_unsigned_overflow): New function.
 679         * testsuite/Makefile.am (overflow_unittest): New test.
 680         * testsuite/Makefile.in: Regenerate.
 681         * testsuite/overflow_unittest.cc: New source file.
 682
 683 2016-02-04  Alan Modra  <amodra@gmail.com>
 684
 685         * powerpc.cc (relocate): Adjust last patch for big-endian.
 686
 687 2016-02-02  Alan Modra  <amodra@gmail.com>
 688
 689         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
 690
 691 2016-01-15 Han Shen  <shenhan@google.com>
 692
 693         PR gold/19472 - need pc-relative stubs.
 694
 695         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
 696         stub type for DSOs and pie executables.
 697
 698 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 699
 700         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
 701         'typename'.
 702
 703 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
 704
 705         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
 706         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
 707         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
 708         specializations) New method.
 709
 710 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 711
 712         PR gold/19353
 713         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
 714         we have a TLS segment for GD-to-IE optimization.
 715         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
 716         Adjust all calls.
 717         (Target_i386::tls_desc_gd_to_ie): Likewise.
 718         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
 719         for TLSDESC GD-to-IE optimizations.
 720         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
 721         Adjust all calls.
 722         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
 723         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
 724         for TLSDESC GD-to-IE optimizations.
 725
 726 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 727
 728         Refactor gold to enable support for MIPS-64 relocation format.
 729
 730         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
 731         (gc_process_relocs): Remove sh_type template parameter.
 732         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
 733         * object.h (Sized_relobj_file::split_stack_adjust): Add target
 734         parameter.
 735         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
 736         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
 737         specializations) Remove.
 738         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
 739         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
 740         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
 741         (Sized_relobj_file::split_stack_adjust): Add target parameter.
 742         Adjust all callers.
 743         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
 744         Target::get_r_sym() to get r_sym field from relocations.
 745         (Track_relocs::next_symndx): Call Target::get_r_sym().
 746         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
 747         add Classify_reloc template parameter.  Use for accessing r_sym and
 748         r_type.
 749         (relocate_section): Likewise.
 750         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
 751         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
 752         (Default_scan_relocatable_relocs::Reltype): New typedef.
 753         (Default_scan_relocatable_relocs::reloc_size): New const.
 754         (Default_scan_relocatable_relocs::sh_type): New const.
 755         (Default_scan_relocatable_relocs::get_r_sym): New method.
 756         (Default_scan_relocatable_relocs::get_r_type): New method.
 757         (Default_emit_relocs_strategy): New class.
 758         (scan_relocatable_relocs): Replace sh_type template parameter with
 759         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
 760         fields.
 761         (relocate_relocs): Replace sh_type template parameter with
 762         Classify_reloc class.  Use it to access r_sym and r_type fields.
 763         * target.h (Target::is_call_to_non_split): Replace r_type parameter
 764         with pointer to relocation. Adjust all callers.
 765         (Target::do_is_call_to_non_split): Likewise.
 766         (Target::emit_relocs_scan): New virtual method.
 767         (Sized_target::get_r_sym): New virtual method.
 768         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
 769         with pointer to relocation.
 770
 771         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
 772         (Target_aarch64::Relocatable_size_for_reloc): Remove.
 773         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
 774         (Target_aarch64::scan_relocs): Likewise.
 775         (Target_aarch64::relocate_section): Likewise.
 776         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
 777         Remove.
 778         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
 779         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
 780         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
 781         template parameter.
 782         (Target_arm::emit_relocs_scan): New method.
 783         (Target_arm::Relocatable_size_for_reloc): Replace with...
 784         (Target_arm::Classify_reloc): ...this.
 785         (Target_arm::gc_process_relocs): Use Classify_reloc.
 786         (Target_arm::scan_relocs): Likewise.
 787         (Target_arm::relocate_section): Likewise.
 788         (Target_arm::scan_relocatable_relocs): Likewise.
 789         (Target_arm::relocate_relocs): Likewise.
 790         * i386.cc (Target_i386::emit_relocs_scan): New method.
 791         (Target_i386::Relocatable_size_for_reloc): Replace with...
 792         (Target_i386::Classify_reloc): ...this.
 793         (Target_i386::gc_process_relocs): Use Classify_reloc.
 794         (Target_i386::scan_relocs): Likewise.
 795         (Target_i386::relocate_section): Likewise.
 796         (Target_i386::scan_relocatable_relocs): Likewise.
 797         (Target_i386::relocate_relocs): Likewise.
 798         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
 799         parameter.
 800         (Mips_reloc_types): New class template.
 801         (Mips_classify_reloc): New class template.
 802         (Target_mips::Reltype): New typedef.
 803         (Target_mips::Relatype): New typedef.
 804         (Target_mips::emit_relocs_scan): New method.
 805         (Target_mips::get_r_sym): New method.
 806         (Target_mips::Relocatable_size_for_reloc): Replace with
 807         Mips_classify_reloc.
 808         (Target_mips::copy_reloc): Use Mips_classify_reloc.
 809         (Target_mips::gc_process_relocs): Likewise.
 810         (Target_mips::scan_relocs): Likewise.
 811         (Target_mips::relocate_section): Likewise.
 812         (Target_mips::scan_relocatable_relocs): Likewise.
 813         (Target_mips::relocate_relocs): Likewise.
 814         (mips_get_size_for_reloc): New function, factored out from
 815         Relocatable_size_for_reloc::get_size_for_reloc.
 816         (Target_mips::Scan::local): Use Mips_classify_reloc.
 817         (Target_mips::Scan::global): Likewise.
 818         (Target_mips::Relocate::relocate): Likewise.
 819         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
 820         (Target_powerpc::Relocatable_size_for_reloc): Remove.
 821         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
 822         (Target_powerpc::scan_relocs): Likewise.
 823         (Target_powerpc::relocate_section): Likewise.
 824         (Powerpc_scan_relocatable_reloc): Convert to class template.
 825         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
 826         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
 827         (Powerpc_scan_relocatable_reloc::sh_type): New const.
 828         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
 829         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
 830         (Target_powerpc::scan_relocatable_relocs): Use
 831         Powerpc_scan_relocatable_reloc.
 832         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
 833         * s390.cc (Target_s390::emit_relocs_scan): New method.
 834         (Target_s390::Relocatable_size_for_reloc): Remove.
 835         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
 836         (Target_s390::scan_relocs): Likewise.
 837         (Target_s390::relocate_section): Likewise.
 838         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
 839         Remove.
 840         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
 841         (Target_s390::relocate_relocs): Use Default_classify_reloc.
 842         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
 843         (Target_sparc::Relocatable_size_for_reloc): Remove.
 844         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
 845         (Target_sparc::scan_relocs): Likewise.
 846         (Target_sparc::relocate_section): Likewise.
 847         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
 848         Remove.
 849         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
 850         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
 851         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
 852         (Target_tilegx::Relocatable_size_for_reloc): Remove.
 853         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
 854         (Target_tilegx::scan_relocs): Likewise.
 855         (Target_tilegx::relocate_section): Likewise.
 856         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
 857         Remove.
 858         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
 859         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
 860         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
 861         (Target_x86_64::Relocatable_size_for_reloc): Remove.
 862         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
 863         (Target_x86_64::scan_relocs): Likewise.
 864         (Target_x86_64::relocate_section): Likewise.
 865         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
 866         Remove.
 867         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
 868         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
 869
 870         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
 871
 872 2016-01-01  Alan Modra  <amodra@gmail.com>
 873
 874         Update year range in copyright notice of all files.
 875
 876 For older changes see ChangeLog-0815
 877 \f
 878 Copyright (C) 2016 Free Software Foundation, Inc.
 879
 880 Copying and distribution of this file, with or without modification,
 881 are permitted in any medium without royalty provided the copyright
 882 notice and this notice are preserved.
 883
 884 Local Variables:
 885 mode: change-log
 886 left-margin: 8
 887 fill-column: 74
 888 version-control: never
 889 End: