gold/ChangeLog

   1 2016-09-26  Alan Modra  <amodra@gmail.com>
   2
   3         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
   4         compiler warning.
   5         * output.cc (Output_segment::set_section_addresses): Likewise.
   6
   7 2016-09-02  Doug Kwan  <dougkwan@google.com>
   8
   9         * arm.cc (Target_arm::Target_arm): Move method definition outside of
  10         class definition.  Add code to handle --target1-rel, --target1-abs
  11         and --target2= options.
  12         (Target_arm::get_reloc_reloc_type): Change method to be non-static
  13         and const.
  14         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
  15         member declaration.
  16         (Target_arm::Scan::local, Target_arm::Scan::global,
  17         Target_arm::Relocate::relocate,
  18         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
  19         call to Target_arm::get_real_reloc_type.
  20         (Target_arm::get_real_reloc_type): Use command line options to
  21         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
  22         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
  23         options.
  24
  25 2016-08-31  Alan Modra  <amodra@gmail.com>
  26
  27         * powerpc.cc (class Stub_control): Delete stub14_group_size_
  28         and has14_.  Add group_size_.
  29         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
  30         debug info when switching to adding sections before stubs.
  31
  32 2016-08-31  Alan Modra  <amodra@gmail.com>
  33
  34         * debug.h (DEBUG_TARGET): New.
  35         (DEBUG_ALL): Add DEBUG_TARGET.
  36         (gold_debug): Delete FORMAT param.
  37         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
  38
  39 2016-08-30  Alan Modra  <amodra@gmail.com>
  40
  41         PR 20523
  42         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
  43         (Stub_control::can_add_to_stub_group): Correct grouping of
  44         sections containing 14-bit external branches.  When returning
  45         false, set state_ to reflect the fact that we have one section
  46         for the next group.  Rewrite most of function for clarity.
  47         Add and expand comments.
  48         (Target_powerpc::do_relax): Print stub group size retry in hex.
  49
  50 2016-08-26  Han Shen  <shenhan@google.com>
  51
  52         PR gold/20529 - relaxing loop never ends.
  53
  54         * powerpc.cc (Stub_table::min_size_threshold_): New member to
  55         limit size.
  56         (Stub_table::set_min_size_threshold): New member function.
  57         (Stub_table::set_address_and_size): Add code to only allow size
  58         increase.
  59         (Target_powerpc::do_relax): Add code to record last size.
  60
  61 2016-08-23  Roland McGrath  <roland@hack.frob.com>
  62
  63         * options.h (General_options): Grok -z stack-size.
  64         * output.h (Output_segment::set_size): New method.
  65         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
  66         (Layout::create_stack_segment): ... this.  Always create the
  67         segment if -z stack-size was used.
  68         (Layout::set_segment_offsets): Don't call ->set_offset on the
  69         PT_GNU_STACK segment.
  70
  71 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
  72
  73         * options.h (General_options): Add --be8 option.
  74         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
  75         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
  76         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
  77         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
  78         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
  79
  80 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
  81
  82         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
  83         error message.
  84         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
  85         (pr20308a): Add -Bgcctestdir/ to compile rules.
  86         * testsuite/Makefile.in: Regenerate.
  87
  88 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  89
  90         PR gold/20462
  91         * script-sections.cc (Script_sections::release_segments):
  92         Reset this->segments_created_.
  93
  94 2016-08-12  Roland McGrath  <roland@hack.frob.com>
  95
  96         * yyscript.y (HIDDEN): New %token.
  97         (assignment): Handle HIDDEN(string = expr) syntax.
  98         * script.cc (script_keyword_parsecodes): Add HIDDEN.
  99
 100 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 101
 102         PR gold/20216
 103         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 104         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 105         error message.
 106         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 107         (pr20216_ld.o): Likewise.
 108         * testsuite/Makefile.in: Regenerate.
 109
 110 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 111
 112         PR gold/20443
 113         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 114         which will be present for STT_SPARC_REGISTER.
 115         (Symbol_table::add_from_pluginobj): Likewise.
 116         (Symbol_table::add_from_dynobj): Likewise.
 117         (Symbol_table::add_from_incrobj): Removed dead code.
 118
 119 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 120
 121         PR gold/20442
 122         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 123         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 124
 125 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 126
 127         PR gold/20441
 128         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 129         sparc64.
 130
 131 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 132
 133         PR gold/20310
 134         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 135
 136 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 137
 138         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 139         * testsuite/Makefile.in: Regenerate.
 140
 141 2016-06-30  Alan Modra  <amodra@gmail.com>
 142
 143         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 144         -Wl,-z to gcc, not plain -z.
 145         * testsuite/Makefile.in: Regenerate.
 146
 147 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 148
 149         PR gold/20308
 150         * i386.cc (Target_i386::Relocate::relocate): Allow
 151         R_386_GOT32X relocation against ___tls_get_addr.
 152         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 153         call to __tls_get_addr.
 154         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 155         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 156         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 157         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 158         (pr20308a_test_SOURCES): New.
 159         (pr20308a_test_DEPENDENCIES): Likewise.
 160         (pr20308a_test_CFLAGS): Likewise.
 161         (pr20308a_test_LDFLAGS): Likewise.
 162         (pr20308a_test_LDADD): Likewise.
 163         (pr20308b_test_SOURCES): Likewise.
 164         (pr20308b_test_DEPENDENCIES): Likewise.
 165         (pr20308b_test_CFLAGS): Likewise.
 166         (pr20308b_test_LDFLAGS): Likewise.
 167         (pr20308b_test_LDADD): Likewise.
 168         (pr20308c_test_SOURCES): Likewise.
 169         (pr20308c_test_DEPENDENCIES): Likewise.
 170         (pr20308c_test_CFLAGS): Likewise.
 171         (pr20308c_test_LDFLAGS): Likewise.
 172         (pr20308c_test_LDADD): Likewise.
 173         (pr20308d_test_SOURCES): Likewise.
 174         (pr20308d_test_DEPENDENCIES): Likewise.
 175         (pr20308d_test_CFLAGS): Likewise.
 176         (pr20308d_test_LDFLAGS): Likewise.
 177         (pr20308d_test_LDADD): Likewise.
 178         (pr20308e_test_SOURCES): Likewise.
 179         (pr20308e_test_DEPENDENCIES): Likewise.
 180         (pr20308e_test_CFLAGS): Likewise.
 181         (pr20308e_test_LDFLAGS): Likewise.
 182         (pr20308e_test_LDADD): Likewise.
 183         (pr20308a.so): Likewise.
 184         (pr20308b.so): Likewise.
 185         (pr20308_gd.o): Likewise.
 186         (pr20308_ld.o): Likewise.
 187         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 188         * testsuite/Makefile.in: Regenerated.
 189         * testsuite/pr20308_def.c: New file.
 190         * testsuite/pr20308_gd.S: Likewise.
 191         * testsuite/pr20308_ld.S: Likewise.
 192         * testsuite/pr20308_main.c: Likewise.
 193
 194 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 195
 196         PR gold/20216
 197         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 198         AM_CONDITIONAL.
 199         * configure: Regenerated.
 200         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 201         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 202         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 203         call to __tls_get_addr.
 204         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 205         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 206         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 207         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 208         (pr20216a_test_SOURCES): New.
 209         (pr20216a_test_DEPENDENCIES): Likewise.
 210         (pr20216a_test_CFLAGS): Likewise.
 211         (pr20216a_test_LDFLAGS): Likewise.
 212         (pr20216a_test_LDADD): Likewise.
 213         (pr20216b_test_SOURCES): Likewise.
 214         (pr20216b_test_DEPENDENCIES): Likewise.
 215         (pr20216b_test_CFLAGS): Likewise.
 216         (pr20216b_test_LDFLAGS): Likewise.
 217         (pr20216b_test_LDADD): Likewise.
 218         (pr20216c_test_SOURCES): Likewise.
 219         (pr20216c_test_DEPENDENCIES): Likewise.
 220         (pr20216c_test_CFLAGS): Likewise.
 221         (pr20216c_test_LDFLAGS): Likewise.
 222         (pr20216c_test_LDADD): Likewise.
 223         (pr20216d_test_SOURCES): Likewise.
 224         (pr20216d_test_DEPENDENCIES): Likewise.
 225         (pr20216d_test_CFLAGS): Likewise.
 226         (pr20216d_test_LDFLAGS): Likewise.
 227         (pr20216d_test_LDADD): Likewise.
 228         (pr20216e_test_SOURCES): Likewise.
 229         (pr20216e_test_DEPENDENCIES): Likewise.
 230         (pr20216e_test_CFLAGS): Likewise.
 231         (pr20216e_test_LDFLAGS): Likewise.
 232         (pr20216e_test_LDADD): Likewise.
 233         (pr20216a.so): Likewise.
 234         (pr20216b.so): Likewise.
 235         (pr20216_gd.o): Likewise.
 236         (pr20216_ld.o): Likewise.
 237         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 238         * testsuite/Makefile.in: Regenerated.
 239         * testsuite/pr20216_def.c: New file.
 240         * testsuite/pr20216_gd.S: Likewise.
 241         * testsuite/pr20216_ld.S: Likewise.
 242         * testsuite/pr20216_main.c: Likewise.
 243
 244 2016-06-29  Alan Modra  <amodra@gmail.com>
 245
 246         * script_test_12.t: Delete .plt, specify 64k page size.
 247         * script_test_12i.t: Likewise.
 248
 249 2016-06-29  Alan Modra  <amodra@gmail.com>
 250
 251         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 252         variables.
 253
 254 2016-06-29  Alan Modra  <amodra@gmail.com>
 255
 256         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 257         * testsuite/Makefile.in: Regenerate.
 258
 259 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 260
 261         * aarch64-reloc.def (NONE): New relocation.
 262         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 263         (Target_aarch64::Scan::global): Likewise.
 264         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 265         * testsuite/Makefile.in: Regenerate.
 266         * testsuite/aarch64_reloc_none.s: New test source file.
 267         * testsuite/aarch64_reloc_none.sh: New test script.
 268
 269 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 270
 271         * x86_64.cc (Lazy_view): New class.
 272         (can_convert_mov_to_lea): Templatize function.  Make the function
 273         check for appropriate relocation types and use the view parameter
 274         to get section contents.
 275         (can_convert_callq_to_direct): New function.
 276         (Target_x86_64<size>::Scan::global): Refactor.
 277         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 278         call via GOT that can be converted.
 279         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 280         * testsuite/Makefile.in: Regenerate.
 281         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 282         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 283
 284 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 285
 286         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 287         from the top level to the places of its use.
 288
 289 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 290
 291         PR gold/18098
 292         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 293         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 294         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 295         (Output_section_element_input::print): Likewise.
 296         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 297         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 298         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 299
 300         * testsuite/Makefile.am (script_test_14): New test.
 301         * testsuite/Makefile.in: Regenerate.
 302         * testsuite/script_test_14.s: New test source file.
 303         * testsuite/script_test_14.sh: New test script.
 304         * testsuite/script_test_14.t: New test linker script.
 305
 306 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 307
 308         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 309         to R_SPARC_RELATIVE if class is ELFCLASS64.
 310         (Target_sparc::Scan::global): Likewise.
 311
 312 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 313             Igor Kudrin  <ikudrin@accesssoftek.com>
 314
 315         PR gold/15370
 316         * script-sections.cc
 317         (Output_section_element_input::set_section_addresses): Keep bin_count
 318         separate from input_pattern_count.
 319         * testsuite/script_test_12.t: Add another section .x4.
 320         * testsuite/script_test_12i.t: Likewise.
 321         * testsuite/script_test_12a.c: Likewise.
 322         * testsuite/script_test_12b.c: Likewise.
 323
 324 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 325
 326         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 327
 328 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 329
 330         PR ld/20283
 331         * NEWS: Mention --enable-relro.
 332         * configure.ac: Add --enable-relro.
 333         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 334         to 1.
 335         * config.in: Regenerated.
 336         * configure: Likewise.
 337         * options.h (General_options::relro): Default to
 338         DEFAULT_LD_Z_RELRO.
 339
 340 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 341
 342         * NEWS: Add new features in 1.12.
 343         * version.cc (version_string): Bump to 1.12.
 344
 345 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 346
 347         PR gold/20245
 348         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 349         plt_ is NULL.
 350         (Target_i386::plt_entry_size): Likewise.
 351         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 352         (Target_x86_64<size>::plt_entry_size): Likewise.
 353
 354 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 355
 356         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 357         (Target_mips::rld_map_): New data member.
 358         (Target_mips::do_finalize_sections): Add support for
 359         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 360         .rld_map section, and __RLD_MAP symbol.
 361         (Target_mips::do_dynamic_tag_custom_value): Add support for
 362         DT_MIPS_RLD_MAP_REL dynamic tag.
 363         * output.cc (Output_data_dynamic::get_entry_offset): New method
 364         definition.
 365         * output.h (Output_data_dynamic::get_entry_offset): New method
 366         declaration.
 367
 368 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 369
 370         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 371
 372 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 373
 374         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 375         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 376         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 377         (is_matching_lo16_reloc): Likewise.
 378         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 379         (Mips_output_data_plt::plt_entry_r6): New static data member for
 380         R6 PLT entry.
 381         (Target_mips::is_output_r6): New method.
 382         (Target_mips::Mips_mach): Add new enum constants.
 383         (Mips_relocate_functions::Status): Likewise.
 384         (Mips_relocate_functions::pchi16_relocs): New static data member.
 385         (Mips_relocate_functions::relpc21): New method.
 386         (Mips_relocate_functions::relpc26): Likewise.
 387         (Mips_relocate_functions::relpc18): Likewise.
 388         (Mips_relocate_functions::relpc19): Likewise.
 389         (Mips_relocate_functions::relpchi16): Likewise.
 390         (Mips_relocate_functions::do_relpchi16): Likewise.
 391         (Mips_relocate_functions::relpclo16): Likewise.
 392         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 393         entry.
 394         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 395         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 396         E_MIPS_ARCH_64R6 support.
 397         (Target_mips::update_abiflags_isa): Likewise.
 398         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 399         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 400         R_MIPS_PC19_S2.
 401         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 402         and R_MIPS_PCLO16.
 403         (Target_mips::Scan::global): Add support for relocs:
 404         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 405         (Target_mips::Relocate::relocate): Call functions for resolving
 406         Mips32r6 and Mips64r6 relocations, and print error message for
 407         STATUS_PCREL_UNALIGNED.
 408         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 409         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 410         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 411         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 412         E_MIPS_ARCH_64R6 support.
 413
 414 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 415
 416         PR gold/20246
 417         * testsuite/script_test_2.t: Add .got.plt after .got.
 418
 419 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 420
 421         * mips.cc (struct Mips_abiflags): New struct.
 422         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 423         and abiflags_.
 424         (Mips_relobj::~Mips_relobj): Delete object pointed by
 425         attributes_section_data_.
 426         (Mips_relobj::abiflags): New method.
 427         (Mips_relobj::attributes_section_data): Likewise.
 428         (Mips_relobj::attributes_section_data_): New data member.
 429         (Mips_relobj::abiflags_): Likewise.
 430         (class Mips_output_section_abiflags): New class.
 431         (Target_mips::Target_mips): Initialize attributes_section_data_,
 432         abiflags_ and has_abiflags_section_.
 433         (Target_mips::do_should_include_section): Don't emit input
 434         .MIPS.abiflags sections to output .MIPS.abiflags.
 435         (Target_mips::Mips_mach): Add new enum constants.
 436         (Target_mips::mips_isa_ext_mach): New method.
 437         (Target_mips::mips_isa_ext): Likewise.
 438         (Target_mips::update_abiflags_isa): Likewise.
 439         (Target_mips::infer_abiflags): Likewise.
 440         (Target_mips::create_abiflags): Likewise.
 441         (Target_mips::fp_abi_string): Likewise.
 442         (Target_mips::select_fp_abi): Likewise.
 443         (Target_mips::merge_obj_attributes): Likewise.
 444         (Target_mips::merge_obj_abiflags): Likewise.
 445         (Target_mips::level_rev): Likewise.
 446         (Target_mips::merge_obj_e_flags): Rename from
 447         merge_processor_specific_flags. Remove dyn_obj argument,
 448         call update_abiflags_isa when needed, compare NaN encodings and
 449         compare FP64 state.
 450         (Target_mips::add_machine_extensions): Add two machine extensions
 451         and fix one.
 452         (Target_mips::attributes_section_data_): New data member.
 453         (Target_mips::abiflags_): Likewise.
 454         (Target_mips::has_abiflags_section_): Likewise.
 455         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 456         .MIPS.abiflags sections if they exists.
 457         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 458         E_MIPS_MACH_OCTEON3 support.
 459         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 460         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 461         .MIPS.abiflags sections from input. Create these sections if
 462         needed.
 463         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 464         E_MIPS_MACH_OCTEON3 support, and change strings for
 465         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 466         to match bfd.
 467
 468 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 469
 470         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 471         has_reginfo_section_.
 472         (Mips_relobj::has_reginfo_section_): New data member.
 473         (Mips_relobj::has_reginfo_section): New method.
 474         (class Mips_output_section_reginfo): Change base class to
 475         Output_section_data, and set masks of the output .reginfo section
 476         in constructor.
 477         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 478         Remove.
 479         (Mips_output_section_reginfo::set_masks): Likewise.
 480         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 481         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 482         (Target_mips::do_make_output_section): Remove.
 483         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 484         if the object contains a .reginfo section.
 485         (Target_mips::do_finalize_sections): Create a .reginfo output
 486         section if needed.
 487
 488 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 489
 490         * mips.cc (Mips_output_data_got::do_write): Add missing template
 491         args via typedef.
 492
 493 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 494
 495         PR/19960
 496         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 497         (Target_s390::ss_code_l_r14): Removed.
 498         (Target_s390::ss_code_ear): Removed.
 499         (Target_s390::ss_code_c): Removed.
 500         (Target_s390::ss_match_st_r14): New function.
 501         (Target_s390::ss_match_l_r14): New function.
 502         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 503         of matching code directly.
 504         (Target_s390::ss_match_ear): New function.
 505         (Target_s390::ss_match_c): New function.
 506         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 507         of matching code directly.
 508
 509 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 510
 511         PR gold/19823
 512         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 513         parameter; check for protected symbol.
 514         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 515         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 516         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 517         (Symbol_table::add_from_dynobj): Mark protected symbols.
 518         * symtab.h (Symbol::is_protected): New method.
 519         (Symbol::set_is_protected): New method.
 520         (Symbol::is_protected_): New data member.
 521
 522         * testsuite/Makefile.am (copy_test_protected): New test.
 523         * testsuite/Makefile.in: Regenerate.
 524         * testsuite/copy_test.cc (main): Add legal reference to protected
 525         symbol.
 526         * testsuite/copy_test_v1.cc (main): Likewise.
 527         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 528         * testsuite/copy_test_protected.cc: New test source file.
 529         * testsuite/copy_test_protected.sh: New test script.
 530
 531 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 532
 533         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 534         for global got symbols, and set addend to 0.
 535         (Mips_got_entry::hash): Change hash algorithm.
 536         (Mips_got_entry::equals): Refactor.
 537         (Mips_got_entry::object): Return input object for local got symbols
 538         from union d.
 539         (Mips_got_entry::addend): Change return of the relocation addend.
 540         (Mips_got_entry::addend_): Move from union d.
 541         (Mips_got_entry::object_): Move into union d.
 542         (class Mips_symbol_hash): New class.
 543         (Mips_got_info::Global_got_entry_set): New type.
 544         (Mips_got_info::global_got_symbols): Change return type to
 545         Global_got_entry_set.
 546         (Mips_got_info::global_got_symbols_): Change type to
 547         Global_got_entry_set.
 548         (Mips_symbol::hash): New method.
 549         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 550         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 551         (Mips_output_data_mips_stubs::symbols_): Change type to
 552         Mips_stubs_entry_set.
 553         (Mips_got_info::record_global_got_symbol): Don't pass object
 554         argument when creating global got symbol.
 555         (Mips_got_info::record_got_entry): Remove find before inserting
 556         got entries.
 557         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 558         to Global_got_entry_set.
 559         (Mips_got_info::count_got_symbols): Likewise.
 560         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 561         for adding entries to symbols_.
 562         (Mips_output_data_la25_stub::do_write): Change type of iterator
 563         to std::vector.
 564         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 565         of iterator to Mips_stubs_entry_set.
 566         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 567         (Mips_output_data_mips_stubs::do_write): Likewise.
 568
 569 2016-05-06  Han Shen  <shenhan@google.com>
 570
 571         PR gold/19987.
 572
 573         * aarch64-reloc.def: New relocation type.
 574         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 575         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 576         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 577         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 578
 579 2016-04-28  Nick Clifton  <nickc@redhat.com>
 580
 581         * po/zh_CN.po: Updated Chinese (simplified) translation.
 582
 583 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 584
 585         * Makefile.in: Regenerated with automake 1.11.6.
 586         * aclocal.m4: Likewise.
 587         * testsuite/Makefile.in: Likewise.
 588
 589 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 590
 591         PR gold/16979
 592         * symtab.cc (Symbol_table::define_default_version): Check for case
 593         where symbols are both in different shared objects.
 594
 595 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 596
 597         PR gold/16111
 598         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 599         R_386_GOTOFF.
 600
 601 2016-03-22  Nick Clifton  <nickc@redhat.com>
 602
 603         * configure: Regenerate.
 604
 605 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 606
 607         PR gold/19842
 608         * errors.cc (Errors::undefined_symbol): Add info message when
 609         symbol should have been provided by a plugin.
 610         * target-reloc.h (issue_undefined_symbol_error): Check for
 611         placeholder symbols defined in discarded sections.
 612         * testsuite/Makefile.am (plugin_test_9b): New test case.
 613         * testsuite/Makefile.in: Regenerate.
 614         * testsuite/plugin_test_9b_elf.cc: New test source file.
 615         * testsuite/plugin_test_9b_ir.cc: New test source file.
 616
 617 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 618
 619         PR gold/19002
 620         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 621         * testsuite/Makefile.am (eh_test_2): New test.
 622         * testsuite/Makefile.in: Regenerate.
 623         * testsuite/eh_test_2.sh: New test script.
 624         * testsuite/eh_test_a.cc (bar): Make it comdat.
 625         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 626
 627 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 628
 629         * mips.cc (Mips_relobj::is_n64_): Remove.
 630         (Target_mips::ei_class_): Likewise.
 631         (Mips_relobj::is_newabi): Call methods.
 632         (Mips_relobj::is_n64): Change checking for N64 ABI.
 633         (Target_mips::is_output_n64): Likewise.
 634         (Target_mips::merge_processor_specific_flags): Remove ei_class
 635         argument, and remove comparing ei_class.
 636         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 637         of the ELF header.
 638         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 639         to merge_processor_specific_flags.
 640         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 641         change checking for N64 ABI.
 642
 643 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 644
 645         * mips.cc (enum Special_relocation_symbol): New enum type.
 646         (is_readonly_section): New function.
 647         (eh_reloc): Likewise.
 648         (Mips_got_entry::is_section_symbol_): New member.
 649         (Mips_got_entry::is_section_symbol): New method.
 650         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 651         argument.
 652         (Mips_relobj::mips_elf_options_section_name): New method.
 653         (Mips_output_data_got::record_local_got_symbol): Add
 654         is_section_symbol argument, and pass it to
 655         Mips_got_info::record_local_got_symbol.
 656         (Mips_output_data_got::got_offset): Add addend argument, and pass
 657         it to Relobj::local_got_offset.
 658         (struct Mips_output_reloc_writer): New type.
 659         (class Mips_output_data_reloc): New class.
 660         (Mips_output_data_plt::Reloc_section): Change type to
 661         Mips_output_data_reloc.
 662         (Target_mips::Reloc_section): Likewise.
 663         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 664         (Mips_classify_reloc::get_r_type2): New method.
 665         (Mips_classify_reloc::get_r_type3): Likewise.
 666         (Mips_classify_reloc::get_r_ssym): Likewise.
 667         (Target_mips::Reloca_section): Remove.
 668         (Relocate::should_apply_static_reloc): Rename from
 669         should_apply_r_mips_32_reloc.
 670         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 671         and r_offset.
 672         (Mips_relocate_functions::Valtype): New type.
 673         (Mips_relocate_functions::Valtype64): New type.
 674         (Mips_relocate_functions::check_overflow): New method.
 675         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 676         interface.
 677         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 678         (Mips_relocate_functions::rel16): Add support for resolving
 679         relocations for Mips64.
 680         (Mips_relocate_functions::rel32): Likewise.
 681         (Mips_relocate_functions::reljalr): Likewise.
 682         (Mips_relocate_functions::relpc32): Likewise.
 683         (Mips_relocate_functions::rel26): Likewise.
 684         (Mips_relocate_functions::relpc16): Likewise.
 685         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 686         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 687         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 688         (Mips_relocate_functions::do_relhi16): Likewise.
 689         (Mips_relocate_functions::do_relgot16_local): Likewise.
 690         (Mips_relocate_functions::rello16): Likewise.
 691         (Mips_relocate_functions::relgot): Likewise.
 692         (Mips_relocate_functions::relgotpage): Likewise.
 693         (Mips_relocate_functions::relgotofst): Likewise.
 694         (Mips_relocate_functions::relgot_hi16): Likewise.
 695         (Mips_relocate_functions::relgot_lo16): Likewise.
 696         (Mips_relocate_functions::relgprel): Likewise.
 697         (Mips_relocate_functions::relgprel32): Likewise.
 698         (Mips_relocate_functions::tlsrelhi16): Likewise.
 699         (Mips_relocate_functions::tlsrello16): Likewise.
 700         (Mips_relocate_functions::tlsrel32): Likewise.
 701         (Mips_relocate_functions::relsub): Likewise.
 702         (Mips_relocate_functions::releh): New method.
 703         (Mips_relocate_functions::rel64): Likewise.
 704         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 705         pass it to Mips_got_entry.
 706         (Mips_got_info::add_local_entries): Pass addend argument
 707         to code functions, and for STT_SECTION symbols call
 708         add_symbolless_local_addend.
 709         (Mips_got_info::add_tls_entries): Pass addend argument to code
 710         functions.
 711         (Mips_relobj::do_read_symbols): Read gp value that was used to
 712         create object.
 713         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 714         instruction. Opcode for instruction will be selected later.
 715         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 716         (Target_mips::scan_relocatable_relocs): Likewise.
 717         (Target_mips::emit_relocs_scan): Likewise.
 718         (Target_mips::relocate_relocs): Likewise.
 719         (Target_mips::do_finalize_sections): Skip objects for merging
 720         processor specific flags in which all input sections will be
 721         discarded.
 722         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 723         (Target_mips::Scan::get_reference_flags): Likewise.
 724         (Target_mips::relocate_special_relocatable): Call rel26 method with
 725         calculate_only and calculated_value arguments.
 726         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 727         dynamic relocation against a readonly sections, and pass
 728         is_section_symbol to Mips_got_info::record_local_got_symbol.
 729         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 730         dynamic relocation against a readonly sections, and pass r_type
 731         and r_offset to Target_mips::copy_reloc.
 732         (Target_mips::Relocate::relocate): Add support for resolving
 733         relocations for Mips64.
 734         (Target_mips::mips_info): Add case for Mips64 default dynamic
 735         linker name.
 736         (Target_selector_mips): Correct emulation names.
 737
 738 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 739
 740         * mips.cc (class Mips_output_data_la25_stub): Add
 741         do_print_to_mapfile function.
 742
 743 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 744
 745         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 746         elf_r_info.
 747
 748 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 749
 750         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 751         * testsuite/plugin_layout_with_alignment.c: This.
 752         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 753         (plugin_layout_with_alignment): Likewise.
 754         * testsuite/Makefile.in: Regenerated.
 755
 756 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 757
 758         PR 19751
 759         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 760         for constructor.
 761         * testsuite/Makefile.in: Regenerate.
 762         * testsuite/dynamic_list.sh: Likewise.
 763         * testsuite/retain_symbols_file_test.sh: Likewise.
 764
 765 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 766
 767         PR 19751
 768         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 769         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 770
 771 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 772             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 773
 774         * output.cc (Output_reloc_writer): New type.
 775         (Output_data_reloc_base::do_write): Move implementation to template
 776         in output.h and replace with invocation of template.
 777         * output.h (Output_file): Move to top of file.
 778         (Output_reloc::get_symbol_index): Move to public interface.
 779         (Output_reloc::get_address): Likewise.
 780         (Output_data_reloc_base::do_write_generic): New function template.
 781
 782 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 783
 784         PR gold/19019
 785         PR gold/19763
 786         * symtab.cc: Instantiate Sized_symbol::init_constant and
 787         Sized_symbol::init_undefined.
 788
 789 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 790
 791         PR gold/19019
 792         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 793         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 794         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 795         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 796         (Target_sparc::do_is_defined_by_abi): Remove test for
 797         STT_SPARC_REGISTER.
 798         (Target_sparc::Register_symbol): New struct type.
 799         (Target_sparc::register_syms_): New data member.
 800         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 801         (Target_sparc::make_symbol): New function.
 802         (Target_sparc::do_finalize_sections): Add register symbols and new
 803         dynamic table entries.
 804         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 805         (Symbol_table::add_target_global_symbol): New function.
 806         (Symbol_table::target_symbols_): New data member.
 807         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 808         (Symbol_table::Symbol_table): Initialize target_symbols_.
 809         (Symbol_table::add_from_object): Pass additional parameters to
 810         Target::make_symbol.
 811         (Symbol_table::define_special_symbol): Likewise.
 812         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 813         undefined symbol value.
 814         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 815         (Symbol_table::sized_finalize): Likewise.
 816         (Symbol_table::sized_write_globals): Likewise.
 817         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 818         st_shndx, and value parameters.
 819
 820 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 821
 822         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 823         LDPK_WEAKUNDEF symbols.
 824
 825 2016-03-03  Than McIntosh  <thanm@google.com>
 826
 827         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 828         and get_input_section_alignment in transfer vector.
 829         (get_input_section_alignment): New function.
 830         (get_input_section_size): New function.
 831         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 832         * testsuite/Makefile.in: [Regenerate.]
 833         * testsuite/plugin_section_alignment.cc: New test file.
 834         * testsuite/plugin_layout_with_alignment.cc: New test file.
 835         * testsuite/plugin_layout_with_alignment.sh: New test file.
 836
 837 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 838
 839         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 840         parameter.
 841         * plugin.cc (get_symbols_v3): New function.
 842         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 843         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 844         new version.
 845
 846 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 847             Cary Coutant  <ccoutant@gmail.com>
 848
 849         PR gold/19735
 850         * ehframe.h (Cie::fde_encoding): New method.
 851         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 852         address ranges.
 853
 854 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 855
 856         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 857         -mrelax-relocations=yes to $(TEST_AS).
 858         (x86_64_mov_to_lea6.o): Likewise.
 859         (x86_64_overflow_pc32.o): Remove duplicated target.
 860         * testsuite/Makefile.in: Regenerated.
 861
 862 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 863
 864         * s390.cc (Target_s390::match_view_u): New helper method.
 865         (Target_s390::do_is_call_to_non_split): New method.
 866         (Target_s390::ss_code_st_r14): New const.
 867         (Target_s390::ss_code_l_r14): New const.
 868         (Target_s390::ss_code_bras_8): New const.
 869         (Target_s390::ss_code_l_basr): New const.
 870         (Target_s390::ss_code_a_basr): New const.
 871         (Target_s390::ss_code_ear): New const.
 872         (Target_s390::ss_code_c): New const.
 873         (Target_s390::ss_code_larl): New const.
 874         (Target_s390::ss_code_brasl): New const.
 875         (Target_s390::ss_code_jg): New const.
 876         (Target_s390::ss_code_jgl): New const.
 877         (Target_s390::ss_match_mcount): New helper method.
 878         (Target_s390::ss_match_l): New helper method.
 879         (Target_s390::ss_match_ahi): New helper method.
 880         (Target_s390::ss_match_alfi): New helper method.
 881         (Target_s390::ss_match_cr): New helper method.
 882         (Target_s390::do_calls_non_split): New method.
 883         * testsuite/Makefile.am: Added new tests.
 884         * testsuite/Makefile.in: Regenerate.
 885         * testsuite/split_s390.sh: New test.
 886         * testsuite/split_s390_1_a1.s: New test.
 887         * testsuite/split_s390_1_a2.s: New test.
 888         * testsuite/split_s390_1_n1.s: New test.
 889         * testsuite/split_s390_1_n2.s: New test.
 890         * testsuite/split_s390_1_z1.s: New test.
 891         * testsuite/split_s390_1_z2.s: New test.
 892         * testsuite/split_s390_1_z3.s: New test.
 893         * testsuite/split_s390_1_z4.s: New test.
 894         * testsuite/split_s390_2_ns.s: New test.
 895         * testsuite/split_s390_2_s.s: New test.
 896         * testsuite/split_s390x_1_a1.s: New test.
 897         * testsuite/split_s390x_1_a2.s: New test.
 898         * testsuite/split_s390x_1_n1.s: New test.
 899         * testsuite/split_s390x_1_n2.s: New test.
 900         * testsuite/split_s390x_1_z1.s: New test.
 901         * testsuite/split_s390x_1_z2.s: New test.
 902         * testsuite/split_s390x_1_z3.s: New test.
 903         * testsuite/split_s390x_1_z4.s: New test.
 904         * testsuite/split_s390x_2_ns.s: New test.
 905         * testsuite/split_s390x_2_s.s: New test.
 906
 907 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
 908
 909         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
 910         info message for every erratum 843419 found and fixed.
 911
 912 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
 913
 914         PR gold/18695
 915         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
 916         information to relocation overflow errors.
 917
 918 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 919
 920         PR gold/18695
 921         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
 922         overflow checking when symbol value + addend < 0.
 923
 924 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 925
 926         PR gold/19577
 927         * reloc.h (Limits): New class.
 928         (Bits::has_overflow32): Use min/max values from Limits.
 929         (Bits::has_unsigned_overflow32): Likewise.
 930         (Bits::has_signed_unsigned_overflow32): Likewise.
 931         (Bits::has_overflow): Likewise.
 932         (Bits::has_unsigned_overflow): Likewise.
 933         (Bits::has_signed_unsigned_overflow64): Likewise.
 934
 935 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 936
 937         PR gold/19567
 938         * reloc.h (Relocate_functions::Overflow_check): Add comments.
 939         * x86_64.cc (X86_64_relocate_functions): New class.
 940         (Target_x86_64::Relocate::relocate): Use the new class.
 941         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
 942         (x32_overflow_pc32): New test case.
 943         * testsuite/Makefile.in: Regenerate.
 944         * testsuite/x32_overflow_pc32.sh: New script.
 945         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
 946
 947 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 948
 949         PR gold/19577
 950         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
 951         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
 952
 953 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
 954
 955         PR gold/19577
 956         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
 957         comparison.
 958         (Bits::has_unsigned_overflow): Likewise.
 959
 960 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
 961
 962         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
 963         parameters.
 964         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
 965         and view_size to is_call_to_non_split.
 966         * target.cc (Target::is_call_to_non_split): Add view and view_size
 967         parameters.
 968         * target.h (class Target): Likewise.
 969
 970 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
 971
 972         * icf.cc (get_rel_addend): New function.
 973         (get_section_contents):  Move merge section addend computation to a
 974         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
 975         Fix bug to not read past the length of the section.
 976
 977 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 978             Andrew Senkevich  <andrew.senkevich@intel.com>
 979
 980         PR gold/18695
 981         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
 982         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
 983         R_X86_64_PLT32.
 984         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
 985         * testsuite/x86_64_overflow_pc32.sh: New test script.
 986         * testsuite/x86_64_overflow_pc32.s: New source file.
 987
 988 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
 989
 990         PR gold/18695
 991         * reloc.h (Relocate_functions::Address): New typedef.
 992         (Relocate_functions::Addendtype): New typedef.
 993         (Relocate_functions::Overflow_check): New enum type.
 994         (Relocate_functions::Reloc_status): New enum type.
 995         (Relocate_functions::check_overflow): New function template.
 996         (Relocate_functions::rel): Add check parameter; check for overflow.
 997         (Relocate_functions::rel_unaligned): Likewise.
 998         (Relocate_functions::rela): Likewise.
 999         (Relocate_functions::pcrel): Likewise.
1000         (Relocate_functions::pcrel_unaligned): Likewise.
1001         (Relocate_functions::pcrela): Likewise.
1002         (Relocate_functions::rel8): Adjust parameter types.
1003         (Relocate_functions::rela8): Likewise.
1004         (Relocate_functions::pcrel8): Likewise.
1005         (Relocate_functions::pcrela8): Likewise.
1006         (Relocate_functions::rel16): Likewise.
1007         (Relocate_functions::rela168): Likewise.
1008         (Relocate_functions::pcrel16): Likewise.
1009         (Relocate_functions::pcrela16): Likewise.
1010         (Relocate_functions::rel32): Likewise.
1011         (Relocate_functions::rel32_unaligned): Likewise.
1012         (Relocate_functions::rela32): Likewise.
1013         (Relocate_functions::pcrel32): Likewise.
1014         (Relocate_functions::pcrel32_unaligned): Likewise.
1015         (Relocate_functions::pcrela32): Likewise.
1016         (Relocate_functions::rel8_check): New function.
1017         (Relocate_functions::rela8_check): New function.
1018         (Relocate_functions::pcrel8_check): New function.
1019         (Relocate_functions::pcrela8_check): New function.
1020         (Relocate_functions::rel16_check): New function.
1021         (Relocate_functions::rela168_check): New function.
1022         (Relocate_functions::pcrel16_check): New function.
1023         (Relocate_functions::pcrela16_check): New function.
1024         (Relocate_functions::rel32_check): New function.
1025         (Relocate_functions::rel32_unaligned_check): New function.
1026         (Relocate_functions::rela32_check): New function.
1027         (Relocate_functions::pcrel32_check): New function.
1028         (Relocate_functions::pcrel32_unaligned_check): New function.
1029         (Relocate_functions::pcrela32_check): New function.
1030         (Bits::has_unsigned_overflow32): New function.
1031         (Bits::has_unsigned_overflow): New function.
1032         * testsuite/Makefile.am (overflow_unittest): New test.
1033         * testsuite/Makefile.in: Regenerate.
1034         * testsuite/overflow_unittest.cc: New source file.
1035
1036 2016-02-04  Alan Modra  <amodra@gmail.com>
1037
1038         * powerpc.cc (relocate): Adjust last patch for big-endian.
1039
1040 2016-02-02  Alan Modra  <amodra@gmail.com>
1041
1042         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1043
1044 2016-01-15 Han Shen  <shenhan@google.com>
1045
1046         PR gold/19472 - need pc-relative stubs.
1047
1048         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1049         stub type for DSOs and pie executables.
1050
1051 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1052
1053         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1054         'typename'.
1055
1056 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1057
1058         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1059         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1060         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1061         specializations) New method.
1062
1063 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1064
1065         PR gold/19353
1066         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1067         we have a TLS segment for GD-to-IE optimization.
1068         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1069         Adjust all calls.
1070         (Target_i386::tls_desc_gd_to_ie): Likewise.
1071         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1072         for TLSDESC GD-to-IE optimizations.
1073         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1074         Adjust all calls.
1075         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1076         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1077         for TLSDESC GD-to-IE optimizations.
1078
1079 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1080
1081         Refactor gold to enable support for MIPS-64 relocation format.
1082
1083         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1084         (gc_process_relocs): Remove sh_type template parameter.
1085         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1086         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1087         parameter.
1088         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1089         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1090         specializations) Remove.
1091         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1092         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1093         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1094         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1095         Adjust all callers.
1096         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1097         Target::get_r_sym() to get r_sym field from relocations.
1098         (Track_relocs::next_symndx): Call Target::get_r_sym().
1099         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1100         add Classify_reloc template parameter.  Use for accessing r_sym and
1101         r_type.
1102         (relocate_section): Likewise.
1103         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1104         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1105         (Default_scan_relocatable_relocs::Reltype): New typedef.
1106         (Default_scan_relocatable_relocs::reloc_size): New const.
1107         (Default_scan_relocatable_relocs::sh_type): New const.
1108         (Default_scan_relocatable_relocs::get_r_sym): New method.
1109         (Default_scan_relocatable_relocs::get_r_type): New method.
1110         (Default_emit_relocs_strategy): New class.
1111         (scan_relocatable_relocs): Replace sh_type template parameter with
1112         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1113         fields.
1114         (relocate_relocs): Replace sh_type template parameter with
1115         Classify_reloc class.  Use it to access r_sym and r_type fields.
1116         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1117         with pointer to relocation. Adjust all callers.
1118         (Target::do_is_call_to_non_split): Likewise.
1119         (Target::emit_relocs_scan): New virtual method.
1120         (Sized_target::get_r_sym): New virtual method.
1121         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1122         with pointer to relocation.
1123
1124         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1125         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1126         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1127         (Target_aarch64::scan_relocs): Likewise.
1128         (Target_aarch64::relocate_section): Likewise.
1129         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1130         Remove.
1131         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1132         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1133         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1134         template parameter.
1135         (Target_arm::emit_relocs_scan): New method.
1136         (Target_arm::Relocatable_size_for_reloc): Replace with...
1137         (Target_arm::Classify_reloc): ...this.
1138         (Target_arm::gc_process_relocs): Use Classify_reloc.
1139         (Target_arm::scan_relocs): Likewise.
1140         (Target_arm::relocate_section): Likewise.
1141         (Target_arm::scan_relocatable_relocs): Likewise.
1142         (Target_arm::relocate_relocs): Likewise.
1143         * i386.cc (Target_i386::emit_relocs_scan): New method.
1144         (Target_i386::Relocatable_size_for_reloc): Replace with...
1145         (Target_i386::Classify_reloc): ...this.
1146         (Target_i386::gc_process_relocs): Use Classify_reloc.
1147         (Target_i386::scan_relocs): Likewise.
1148         (Target_i386::relocate_section): Likewise.
1149         (Target_i386::scan_relocatable_relocs): Likewise.
1150         (Target_i386::relocate_relocs): Likewise.
1151         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1152         parameter.
1153         (Mips_reloc_types): New class template.
1154         (Mips_classify_reloc): New class template.
1155         (Target_mips::Reltype): New typedef.
1156         (Target_mips::Relatype): New typedef.
1157         (Target_mips::emit_relocs_scan): New method.
1158         (Target_mips::get_r_sym): New method.
1159         (Target_mips::Relocatable_size_for_reloc): Replace with
1160         Mips_classify_reloc.
1161         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1162         (Target_mips::gc_process_relocs): Likewise.
1163         (Target_mips::scan_relocs): Likewise.
1164         (Target_mips::relocate_section): Likewise.
1165         (Target_mips::scan_relocatable_relocs): Likewise.
1166         (Target_mips::relocate_relocs): Likewise.
1167         (mips_get_size_for_reloc): New function, factored out from
1168         Relocatable_size_for_reloc::get_size_for_reloc.
1169         (Target_mips::Scan::local): Use Mips_classify_reloc.
1170         (Target_mips::Scan::global): Likewise.
1171         (Target_mips::Relocate::relocate): Likewise.
1172         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1173         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1174         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1175         (Target_powerpc::scan_relocs): Likewise.
1176         (Target_powerpc::relocate_section): Likewise.
1177         (Powerpc_scan_relocatable_reloc): Convert to class template.
1178         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1179         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1180         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1181         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1182         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1183         (Target_powerpc::scan_relocatable_relocs): Use
1184         Powerpc_scan_relocatable_reloc.
1185         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1186         * s390.cc (Target_s390::emit_relocs_scan): New method.
1187         (Target_s390::Relocatable_size_for_reloc): Remove.
1188         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1189         (Target_s390::scan_relocs): Likewise.
1190         (Target_s390::relocate_section): Likewise.
1191         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1192         Remove.
1193         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1194         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1195         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1196         (Target_sparc::Relocatable_size_for_reloc): Remove.
1197         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1198         (Target_sparc::scan_relocs): Likewise.
1199         (Target_sparc::relocate_section): Likewise.
1200         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1201         Remove.
1202         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1203         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1204         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1205         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1206         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1207         (Target_tilegx::scan_relocs): Likewise.
1208         (Target_tilegx::relocate_section): Likewise.
1209         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1210         Remove.
1211         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1212         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1213         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1214         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1215         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1216         (Target_x86_64::scan_relocs): Likewise.
1217         (Target_x86_64::relocate_section): Likewise.
1218         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1219         Remove.
1220         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1221         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1222
1223         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1224
1225 2016-01-01  Alan Modra  <amodra@gmail.com>
1226
1227         Update year range in copyright notice of all files.
1228
1229 For older changes see ChangeLog-0815
1230 \f
1231 Copyright (C) 2016 Free Software Foundation, Inc.
1232
1233 Copying and distribution of this file, with or without modification,
1234 are permitted in any medium without royalty provided the copyright
1235 notice and this notice are preserved.
1236
1237 Local Variables:
1238 mode: change-log
1239 left-margin: 8
1240 fill-column: 74
1241 version-control: never
1242 End: