gold/ChangeLog

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