gold/ChangeLog

   1 2016-12-01  Cary Coutant  <ccoutant@gmail.com>
   2
   3         PR gold/20807
   4         * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Handle
   5         section symbols correctly.
   6         * arm.cc (Target_arm): Likewise.
   7         * powerpc.cc (Target_powerpc): Likewise.
   8
   9 2016-11-27  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
  10
  11         * aarch64-reloc.def: Fix spelling in comments.
  12
  13 2016-11-27  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
  14
  15         * aarch64.cc: Fix spelling in comments.
  16         * arm.cc: Fix spelling in comments.
  17         * icf.cc: Fix spelling in comments.
  18         * layout.cc: Fix spelling in comments.
  19         * layout.h: Fix spelling in comments.
  20         * mips.cc: Fix spelling in comments.
  21         * output.h: Fix spelling in comments.
  22         * plugin.h: Fix spelling in comments.
  23         * script-sections.h: Fix spelling in comments.
  24         * script.h: Fix spelling in comments.
  25         * stringpool.h: Fix spelling in comments.
  26         * tilegx.cc: Fix spelling in comments.
  27
  28 2016-11-22  Cary Coutant  <ccoutant@gmail.com>
  29
  30         PR gold/20346
  31         * options.cc (One_option::print): Print "(default)" when appropriate.
  32         * options.h: Clean up and re-sort options.
  33         (One_option::is_default): New data member.
  34         (One_option::One_option): Add is_default parameter; adjust all calls.
  35         (DEFINE_var): Add is_default__ parameter; adjust all calls.
  36         (DEFINE_bool): Set is_default based on default_value__.
  37         (DEFINE_bool_ignore): New macro.
  38         (--no-eh-frame-hdr): New option.
  39         (--enable-new-dtags): Remove mention of DT_FLAGS.
  40
  41 2016-11-22  Ambrogino Modigliani  <ambrogino.modigliani@gmail.com>
  42
  43         * configure: Regenerate.
  44
  45 2016-11-21  Cary Coutant  <ccoutant@gmail.com>
  46
  47         PR gold/20693
  48         * gold.cc (queue_middle_tasks): Force valid target earlier.
  49
  50 2016-11-21  Igor Kudrin  <ikudrin@accesssoftek.com>
  51
  52         * layout.cc: Include windows.h and rpcdce.h (for MinGW32).
  53         (Layout::create_build_id): Generate uuid using UuidCreate().
  54
  55 2016-11-04  Loïc Yhuel <loic.yhuel@softathome.com>
  56
  57         * configure.ac: add missing '$'.
  58         * configure: Regenerate.
  59
  60 2016-10-21  Gergely Nagy  <ngg@tresorit.com>
  61
  62         PR gold/17704
  63         * icf.cc (match_sections): Add new parameter section_addraligns.
  64         Check section alignment and keep the section with the strictest
  65         alignment.
  66         (find_identical_sections): New local variable section_addraligns.
  67         Store each section's alignment.
  68         * testsuite/pr17704a_test.s: New file.
  69         * testsuite/Makefile.am (pr17704a_test): New test.
  70         * testsuite/Makefile.in: Regenerate.
  71
  72 2016-10-06  Alan Modra  <amodra@gmail.com>
  73
  74         * powerpc.cc (Target_powerpc::Relocate::relocate): Add fall
  75         through comment.
  76         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  77
  78 2016-10-06  Alan Modra  <amodra@gmail.com>
  79
  80         * aarch64.cc: Spell fall through comments as "// Fall through.".
  81         * arm.cc: Likewise.
  82         * mips.cc: Likewise.
  83         * powerpc.cc: Likewise.
  84         * s390.cc: Likewise.
  85         * sparc.cc: Likewise.
  86         * x86_64.cc: Likewise.
  87         * powerpc.cc (Target_powerpc::Relocate::relocate): Add missing
  88         fall through comments.
  89         * sparc.cc: (Target_sparc::Scan::global): Likewise.
  90         (Target_sparc::Relocate::relocate): Likewise.
  91         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
  92         * resolve.cc (symbol_to_bits): Add missing break.
  93
  94 2016-09-26  Cary Coutant  <ccoutant@gmail.com>
  95
  96         PR gold/20238
  97         * symtab.cc (Symbol_table::define_default_version): Check that
  98         unversioned symbol is defined.
  99
 100 2016-09-26  Vlad Zakharov  <vzakhar@synopsys.com>
 101
 102         * Makefile.in: Regenerate.
 103         * configure: Likewise.
 104         * testsuite/Makefile.in: Likewise.
 105
 106 2016-09-26  Alan Modra  <amodra@gmail.com>
 107
 108         * aarch64.cc (Target_aarch64::is_erratum_835769_sequence): Avoid
 109         compiler warning.
 110         * output.cc (Output_segment::set_section_addresses): Likewise.
 111         * testsuite/Makefile.in: Regenerate.
 112
 113 2016-09-02  Doug Kwan  <dougkwan@google.com>
 114
 115         * arm.cc (Target_arm::Target_arm): Move method definition outside of
 116         class definition.  Add code to handle --target1-rel, --target1-abs
 117         and --target2= options.
 118         (Target_arm::get_reloc_reloc_type): Change method to be non-static
 119         and const.
 120         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
 121         member declaration.
 122         (Target_arm::Scan::local, Target_arm::Scan::global,
 123         Target_arm::Relocate::relocate,
 124         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
 125         call to Target_arm::get_real_reloc_type.
 126         (Target_arm::get_real_reloc_type): Use command line options to
 127         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
 128         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
 129         options.
 130
 131 2016-08-31  Alan Modra  <amodra@gmail.com>
 132
 133         * powerpc.cc (class Stub_control): Delete stub14_group_size_
 134         and has14_.  Add group_size_.
 135         (Stub_control::can_add_to_stub_group): Adjust to suit.  Print
 136         debug info when switching to adding sections before stubs.
 137
 138 2016-08-31  Alan Modra  <amodra@gmail.com>
 139
 140         * debug.h (DEBUG_TARGET): New.
 141         (DEBUG_ALL): Add DEBUG_TARGET.
 142         (gold_debug): Delete FORMAT param.
 143         * powerpc.cc (Stub_control::can_add_to_stub_group): Print debug ourput.
 144
 145 2016-08-30  Alan Modra  <amodra@gmail.com>
 146
 147         PR 20523
 148         * powerpc.cc (class Stub_control): Add has14_.  Comment owner_.
 149         (Stub_control::can_add_to_stub_group): Correct grouping of
 150         sections containing 14-bit external branches.  When returning
 151         false, set state_ to reflect the fact that we have one section
 152         for the next group.  Rewrite most of function for clarity.
 153         Add and expand comments.
 154         (Target_powerpc::do_relax): Print stub group size retry in hex.
 155
 156 2016-08-26  Han Shen  <shenhan@google.com>
 157
 158         PR gold/20529 - relaxing loop never ends.
 159
 160         * powerpc.cc (Stub_table::min_size_threshold_): New member to
 161         limit size.
 162         (Stub_table::set_min_size_threshold): New member function.
 163         (Stub_table::set_address_and_size): Add code to only allow size
 164         increase.
 165         (Target_powerpc::do_relax): Add code to record last size.
 166
 167 2016-08-23  Roland McGrath  <roland@hack.frob.com>
 168
 169         * options.h (General_options): Grok -z stack-size.
 170         * output.h (Output_segment::set_size): New method.
 171         * layout.cc (Layout::create_executable_stack_info): Renamed to ...
 172         (Layout::create_stack_segment): ... this.  Always create the
 173         segment if -z stack-size was used.
 174         (Layout::set_segment_offsets): Don't call ->set_offset on the
 175         PT_GNU_STACK segment.
 176
 177 2016-08-15  Bharathi Seshadri  <bseshadr@cisco.com>
 178
 179         * options.h (General_options): Add --be8 option.
 180         * arm.cc (Arm_relobj::do_relocate_sections): Add code to swap for be8.
 181         (Output_data_plt_arm_standard::do_fill_first_plt_entry): Likewise.
 182         (Output_data_plt_arm_short::do_fill_plt_entry): Likewise.
 183         (Output_data_plt_arm_long::do_fill_plt_entry): Likewise.
 184         (Target_arm::do_adjust_elf_header): Do EF_ARM_BE8 adjustment.
 185
 186 2016-08-17  Cary Coutant  <ccoutant@gmail.com>
 187
 188         * i386.cc (Target_i386): Reset skip_call_tls_get_addr_ after printing
 189         error message.
 190         * testsuite/Makefile.am (pr20216a): Add missing dependencies.
 191         (pr20308a): Add -Bgcctestdir/ to compile rules.
 192         * testsuite/Makefile.in: Regenerate.
 193
 194 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 195
 196         PR gold/20462
 197         * script-sections.cc (Script_sections::release_segments):
 198         Reset this->segments_created_.
 199
 200 2016-08-12  Roland McGrath  <roland@hack.frob.com>
 201
 202         * yyscript.y (HIDDEN): New %token.
 203         (assignment): Handle HIDDEN(string = expr) syntax.
 204         * script.cc (script_keyword_parsecodes): Add HIDDEN.
 205
 206 2016-08-10  Cary Coutant  <ccoutant@gmail.com>
 207
 208         PR gold/20216
 209         * x86_64.cc (Target_x86_64::Relocate::relocate): Add check for
 210         R_X86_64_GOTPCREL. Reset skip_call_tls_get_addr_ after printing
 211         error message.
 212         * testsuite/Makefile.am (pr20216_gd.o): Add -Bgcctestdir/.
 213         (pr20216_ld.o): Likewise.
 214         * testsuite/Makefile.in: Regenerate.
 215
 216 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 217
 218         PR gold/20443
 219         * symtab.cc (Symbol_table::add_from_relobj): Handle NULL symbols,
 220         which will be present for STT_SPARC_REGISTER.
 221         (Symbol_table::add_from_pluginobj): Likewise.
 222         (Symbol_table::add_from_dynobj): Likewise.
 223         (Symbol_table::add_from_incrobj): Removed dead code.
 224
 225 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 226
 227         PR gold/20442
 228         * sparc.cc (Target_sparc::Relocate::relocate): R_SPARC_GOTDATA_OP_LOX10
 229         should fall back on R_SPARC_GOT10, not R_SPARC_GOT13.
 230
 231 2016-08-10  James Clarke  <jrtc27@jrtc27.com>
 232
 233         PR gold/20441
 234         * sparc.cc (Target_sparc::Scan::check_non_pic): Allow R_SPARC_32 on
 235         sparc64.
 236
 237 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 238
 239         PR gold/20310
 240         * testsuite/dynamic_list.sh: Remove check for _ZdlPv.
 241
 242 2016-06-29  Cary Coutant  <ccoutant@gmail.com>
 243
 244         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add eh_test_2.
 245         * testsuite/Makefile.in: Regenerate.
 246
 247 2016-06-30  Alan Modra  <amodra@gmail.com>
 248
 249         * testsuite/Makefile.am (memory_test, memory_test_2): Pass
 250         -Wl,-z to gcc, not plain -z.
 251         * testsuite/Makefile.in: Regenerate.
 252
 253 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 254
 255         PR gold/20308
 256         * i386.cc (Target_i386::Relocate::relocate): Allow
 257         R_386_GOT32X relocation against ___tls_get_addr.
 258         (Target_i386::Relocate::tls_gd_to_ie): Support indirect
 259         call to __tls_get_addr.
 260         (Target_i386::Relocate::tls_gd_to_le): Likewise.
 261         (Target_i386::Relocate::tls_ld_to_le): Likewise.
 262         * testsuite/Makefile.am (check_PROGRAMS): Add pr20308a_test,
 263         pr20308b_test, pr20308c_test, pr20308d_test, pr20308e_test.
 264         (pr20308a_test_SOURCES): New.
 265         (pr20308a_test_DEPENDENCIES): Likewise.
 266         (pr20308a_test_CFLAGS): Likewise.
 267         (pr20308a_test_LDFLAGS): Likewise.
 268         (pr20308a_test_LDADD): Likewise.
 269         (pr20308b_test_SOURCES): Likewise.
 270         (pr20308b_test_DEPENDENCIES): Likewise.
 271         (pr20308b_test_CFLAGS): Likewise.
 272         (pr20308b_test_LDFLAGS): Likewise.
 273         (pr20308b_test_LDADD): Likewise.
 274         (pr20308c_test_SOURCES): Likewise.
 275         (pr20308c_test_DEPENDENCIES): Likewise.
 276         (pr20308c_test_CFLAGS): Likewise.
 277         (pr20308c_test_LDFLAGS): Likewise.
 278         (pr20308c_test_LDADD): Likewise.
 279         (pr20308d_test_SOURCES): Likewise.
 280         (pr20308d_test_DEPENDENCIES): Likewise.
 281         (pr20308d_test_CFLAGS): Likewise.
 282         (pr20308d_test_LDFLAGS): Likewise.
 283         (pr20308d_test_LDADD): Likewise.
 284         (pr20308e_test_SOURCES): Likewise.
 285         (pr20308e_test_DEPENDENCIES): Likewise.
 286         (pr20308e_test_CFLAGS): Likewise.
 287         (pr20308e_test_LDFLAGS): Likewise.
 288         (pr20308e_test_LDADD): Likewise.
 289         (pr20308a.so): Likewise.
 290         (pr20308b.so): Likewise.
 291         (pr20308_gd.o): Likewise.
 292         (pr20308_ld.o): Likewise.
 293         (MOSTLYCLEANFILES): Add pr20308a.so pr20308b.so.
 294         * testsuite/Makefile.in: Regenerated.
 295         * testsuite/pr20308_def.c: New file.
 296         * testsuite/pr20308_gd.S: Likewise.
 297         * testsuite/pr20308_ld.S: Likewise.
 298         * testsuite/pr20308_main.c: Likewise.
 299
 300 2016-06-29  H.J. Lu  <hongjiu.lu@intel.com>
 301
 302         PR gold/20216
 303         * configure.ac (DEFAULT_TARGET_X86_64_OR_X32): New
 304         AM_CONDITIONAL.
 305         * configure: Regenerated.
 306         * x86_64.cc (Target_x86_64<size>::Relocate::relocate): Allow
 307         R_X86_64_GOTPCRELX relocation against __tls_get_addr.
 308         (Target_x86_64<size>::Relocate::tls_gd_to_ie): Support indirect
 309         call to __tls_get_addr.
 310         (Target_x86_64<size>::Relocate::tls_gd_to_le): Likewise.
 311         (Target_x86_64<size>::Relocate::tls_ld_to_le): Likewise.
 312         * testsuite/Makefile.am (check_PROGRAMS): Add pr20216a_test,
 313         pr20216b_test, pr20216c_test, pr20216d_test, pr20216e_test.
 314         (pr20216a_test_SOURCES): New.
 315         (pr20216a_test_DEPENDENCIES): Likewise.
 316         (pr20216a_test_CFLAGS): Likewise.
 317         (pr20216a_test_LDFLAGS): Likewise.
 318         (pr20216a_test_LDADD): Likewise.
 319         (pr20216b_test_SOURCES): Likewise.
 320         (pr20216b_test_DEPENDENCIES): Likewise.
 321         (pr20216b_test_CFLAGS): Likewise.
 322         (pr20216b_test_LDFLAGS): Likewise.
 323         (pr20216b_test_LDADD): Likewise.
 324         (pr20216c_test_SOURCES): Likewise.
 325         (pr20216c_test_DEPENDENCIES): Likewise.
 326         (pr20216c_test_CFLAGS): Likewise.
 327         (pr20216c_test_LDFLAGS): Likewise.
 328         (pr20216c_test_LDADD): Likewise.
 329         (pr20216d_test_SOURCES): Likewise.
 330         (pr20216d_test_DEPENDENCIES): Likewise.
 331         (pr20216d_test_CFLAGS): Likewise.
 332         (pr20216d_test_LDFLAGS): Likewise.
 333         (pr20216d_test_LDADD): Likewise.
 334         (pr20216e_test_SOURCES): Likewise.
 335         (pr20216e_test_DEPENDENCIES): Likewise.
 336         (pr20216e_test_CFLAGS): Likewise.
 337         (pr20216e_test_LDFLAGS): Likewise.
 338         (pr20216e_test_LDADD): Likewise.
 339         (pr20216a.so): Likewise.
 340         (pr20216b.so): Likewise.
 341         (pr20216_gd.o): Likewise.
 342         (pr20216_ld.o): Likewise.
 343         (MOSTLYCLEANFILES): Add pr20216a.so pr20216b.so.
 344         * testsuite/Makefile.in: Regenerated.
 345         * testsuite/pr20216_def.c: New file.
 346         * testsuite/pr20216_gd.S: Likewise.
 347         * testsuite/pr20216_ld.S: Likewise.
 348         * testsuite/pr20216_main.c: Likewise.
 349
 350 2016-06-29  Alan Modra  <amodra@gmail.com>
 351
 352         * script_test_12.t: Delete .plt, specify 64k page size.
 353         * script_test_12i.t: Likewise.
 354
 355 2016-06-29  Alan Modra  <amodra@gmail.com>
 356
 357         * testsuite/plugin_layout_with_alignment.c: Explicitly align all
 358         variables.
 359
 360 2016-06-29  Alan Modra  <amodra@gmail.com>
 361
 362         * testsuite/Makefile.am (copy_test_protected): Disable for powerpc.
 363         * testsuite/Makefile.in: Regenerate.
 364
 365 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 366
 367         * aarch64-reloc.def (NONE): New relocation.
 368         * aarch64.cc (Target_aarch64::Scan::local): Handle R_AARCH64_NONE.
 369         (Target_aarch64::Scan::global): Likewise.
 370         * testsuite/Makefile.am (aarch64_reloc_none): New test.
 371         * testsuite/Makefile.in: Regenerate.
 372         * testsuite/aarch64_reloc_none.s: New test source file.
 373         * testsuite/aarch64_reloc_none.sh: New test script.
 374
 375 2016-06-28  Sriraman Tallam  <tmsriram@google.com>
 376
 377         * x86_64.cc (Lazy_view): New class.
 378         (can_convert_mov_to_lea): Templatize function.  Make the function
 379         check for appropriate relocation types and use the view parameter
 380         to get section contents.
 381         (can_convert_callq_to_direct): New function.
 382         (Target_x86_64<size>::Scan::global): Refactor.
 383         (Target_x86_64<size>::Relocate::relocate): Refactor. Change any indirect
 384         call via GOT that can be converted.
 385         * testsuite/Makefile.am (x86_64_indirect_call_to_direct.sh): New test.
 386         * testsuite/Makefile.in: Regenerate.
 387         * testsuite/x86_64_indirect_call_to_direct1.s: New file.
 388         * testsuite/x86_64_indirect_jump_to_direct1.s: New file.
 389
 390 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 391
 392         * aarch64.cc (Target_aarch64::Scan::local): Move the call to got_section
 393         from the top level to the places of its use.
 394
 395 2016-06-28  Igor Kudrin  <ikudrin@accesssoftek.com>
 396
 397         PR gold/18098
 398         * script-c.h (Sort_wildcard): Add SORT_WILDCARD_BY_INIT_PRIORITY.
 399         * script-sections.cc (Input_section_sorter::get_init_priority): New method.
 400         (Input_section_sorter::operator()): Handle SORT_WILDCARD_BY_INIT_PRIORITY.
 401         (Output_section_element_input::print): Likewise.
 402         * script.cc (script_keyword_parsecodes): Add entry SORT_BY_INIT_PRIORITY.
 403         * yyscript.y (SORT_BY_INIT_PRIORITY): New token.
 404         (wildcard_section): Handle SORT_BY_INIT_PRIORITY.
 405
 406         * testsuite/Makefile.am (script_test_14): New test.
 407         * testsuite/Makefile.in: Regenerate.
 408         * testsuite/script_test_14.s: New test source file.
 409         * testsuite/script_test_14.sh: New test script.
 410         * testsuite/script_test_14.t: New test linker script.
 411
 412 2016-06-28  James Clarke  <jrtc27@jrtc27.com>
 413
 414         * sparc.cc (Target_sparc::Scan::local): Don't convert R_SPARC_32
 415         to R_SPARC_RELATIVE if class is ELFCLASS64.
 416         (Target_sparc::Scan::global): Likewise.
 417
 418 2016-06-23  Cary Coutant  <ccoutant@gmail.com>
 419             Igor Kudrin  <ikudrin@accesssoftek.com>
 420
 421         PR gold/15370
 422         * script-sections.cc
 423         (Output_section_element_input::set_section_addresses): Keep bin_count
 424         separate from input_pattern_count.
 425         * testsuite/script_test_12.t: Add another section .x4.
 426         * testsuite/script_test_12i.t: Likewise.
 427         * testsuite/script_test_12a.c: Likewise.
 428         * testsuite/script_test_12b.c: Likewise.
 429
 430 2016-06-23  Igor Kudrin  <ikudrin@accesssoftek.com>
 431
 432         * gold-threads.cc (impl_threads::Lock_impl_threads): Fix typos.
 433
 434 2016-06-22  H.J. Lu  <hongjiu.lu@intel.com>
 435
 436         PR ld/20283
 437         * NEWS: Mention --enable-relro.
 438         * configure.ac: Add --enable-relro.
 439         (DEFAULT_LD_Z_RELRO): New.  Set by --enable-relro and default
 440         to 1.
 441         * config.in: Regenerated.
 442         * configure: Likewise.
 443         * options.h (General_options::relro): Default to
 444         DEFAULT_LD_Z_RELRO.
 445
 446 2016-06-20  Cary Coutant  <ccoutant@gmail.com>
 447
 448         * NEWS: Add new features in 1.12.
 449         * version.cc (version_string): Bump to 1.12.
 450
 451 2016-06-20  H.J. Lu  <hongjiu.lu@intel.com>
 452
 453         PR gold/20245
 454         * i386.cc (Target_i386::first_plt_entry_offset): Return 0 if
 455         plt_ is NULL.
 456         (Target_i386::plt_entry_size): Likewise.
 457         (Target_x86_64<size>::first_plt_entry_offset): Likewise.
 458         (Target_x86_64<size>::plt_entry_size): Likewise.
 459
 460 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 461
 462         * mips.cc (Target_mips::Target_mips): Initialize rld_map_.
 463         (Target_mips::rld_map_): New data member.
 464         (Target_mips::do_finalize_sections): Add support for
 465         DT_MIPS_RLD_MAP and DT_MIPS_RLD_MAP_REL dynamic tags,
 466         .rld_map section, and __RLD_MAP symbol.
 467         (Target_mips::do_dynamic_tag_custom_value): Add support for
 468         DT_MIPS_RLD_MAP_REL dynamic tag.
 469         * output.cc (Output_data_dynamic::get_entry_offset): New method
 470         definition.
 471         * output.h (Output_data_dynamic::get_entry_offset): New method
 472         declaration.
 473
 474 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 475
 476         * mips.cc (Mips_relocate_functions::relpc16): Add unaligned check.
 477
 478 2016-06-20  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 479
 480         * mips.cc (relocation_needs_la25_stub): Add support for relocs:
 481         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 482         (hi16_reloc): Add support for R_MIPS_PCHI16 relocation.
 483         (is_matching_lo16_reloc): Likewise.
 484         (lo16_reloc): Add support for R_MIPS_PCLO16 relocation.
 485         (Mips_output_data_plt::plt_entry_r6): New static data member for
 486         R6 PLT entry.
 487         (Target_mips::is_output_r6): New method.
 488         (Target_mips::Mips_mach): Add new enum constants.
 489         (Mips_relocate_functions::Status): Likewise.
 490         (Mips_relocate_functions::pchi16_relocs): New static data member.
 491         (Mips_relocate_functions::relpc21): New method.
 492         (Mips_relocate_functions::relpc26): Likewise.
 493         (Mips_relocate_functions::relpc18): Likewise.
 494         (Mips_relocate_functions::relpc19): Likewise.
 495         (Mips_relocate_functions::relpchi16): Likewise.
 496         (Mips_relocate_functions::do_relpchi16): Likewise.
 497         (Mips_relocate_functions::relpclo16): Likewise.
 498         (Mips_output_data_plt::do_write): Add support for Mips r6 plt
 499         entry.
 500         (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support.
 501         (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and
 502         E_MIPS_ARCH_64R6 support.
 503         (Target_mips::update_abiflags_isa): Likewise.
 504         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16,
 505         R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and
 506         R_MIPS_PC19_S2.
 507         (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16
 508         and R_MIPS_PCLO16.
 509         (Target_mips::Scan::global): Add support for relocs:
 510         R_MIPS_PC21_S2 and R_MIPS_PC26_S2.
 511         (Target_mips::Relocate::relocate): Call functions for resolving
 512         Mips32r6 and Mips64r6 relocations, and print error message for
 513         STATUS_PCREL_UNALIGNED.
 514         (Target_mips::Scan::get_reference_flags): Add support for relocs:
 515         R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2,
 516         R_MIPS_PC18_S3 and R_MIPS_PC19_S2.
 517         (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and
 518         E_MIPS_ARCH_64R6 support.
 519
 520 2016-06-13  H.J. Lu  <hongjiu.lu@intel.com>
 521
 522         PR gold/20246
 523         * testsuite/script_test_2.t: Add .got.plt after .got.
 524
 525 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 526
 527         * mips.cc (struct Mips_abiflags): New struct.
 528         (Mips_relobj::Mips_relobj): Initialize attributes_section_data_
 529         and abiflags_.
 530         (Mips_relobj::~Mips_relobj): Delete object pointed by
 531         attributes_section_data_.
 532         (Mips_relobj::abiflags): New method.
 533         (Mips_relobj::attributes_section_data): Likewise.
 534         (Mips_relobj::attributes_section_data_): New data member.
 535         (Mips_relobj::abiflags_): Likewise.
 536         (class Mips_output_section_abiflags): New class.
 537         (Target_mips::Target_mips): Initialize attributes_section_data_,
 538         abiflags_ and has_abiflags_section_.
 539         (Target_mips::do_should_include_section): Don't emit input
 540         .MIPS.abiflags sections to output .MIPS.abiflags.
 541         (Target_mips::Mips_mach): Add new enum constants.
 542         (Target_mips::mips_isa_ext_mach): New method.
 543         (Target_mips::mips_isa_ext): Likewise.
 544         (Target_mips::update_abiflags_isa): Likewise.
 545         (Target_mips::infer_abiflags): Likewise.
 546         (Target_mips::create_abiflags): Likewise.
 547         (Target_mips::fp_abi_string): Likewise.
 548         (Target_mips::select_fp_abi): Likewise.
 549         (Target_mips::merge_obj_attributes): Likewise.
 550         (Target_mips::merge_obj_abiflags): Likewise.
 551         (Target_mips::level_rev): Likewise.
 552         (Target_mips::merge_obj_e_flags): Rename from
 553         merge_processor_specific_flags. Remove dyn_obj argument,
 554         call update_abiflags_isa when needed, compare NaN encodings and
 555         compare FP64 state.
 556         (Target_mips::add_machine_extensions): Add two machine extensions
 557         and fix one.
 558         (Target_mips::attributes_section_data_): New data member.
 559         (Target_mips::abiflags_): Likewise.
 560         (Target_mips::has_abiflags_section_): Likewise.
 561         (Mips_relobj::do_read_symbols): Read .gnu.attributes and
 562         .MIPS.abiflags sections if they exists.
 563         (Target_mips::elf_mips_mach): Add E_MIPS_MACH_5900 and
 564         E_MIPS_MACH_OCTEON3 support.
 565         (Target_mips::do_adjust_elf_header): Setup EI_ABIVERSION flag.
 566         (Target_mips::do_finalize_sections): Merge .gnu.attributes and
 567         .MIPS.abiflags sections from input. Create these sections if
 568         needed.
 569         (Target_mips::elf_mips_mach_name): Add E_MIPS_MACH_5900 and
 570         E_MIPS_MACH_OCTEON3 support, and change strings for
 571         E_MIPS_MACH_LS2E, E_MIPS_MACH_LS2F and E_MIPS_MACH_LS3A just
 572         to match bfd.
 573
 574 2016-06-10  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 575
 576         * mips.cc (Mips_relobj::Mips_relobj): Initialize
 577         has_reginfo_section_.
 578         (Mips_relobj::has_reginfo_section_): New data member.
 579         (Mips_relobj::has_reginfo_section): New method.
 580         (class Mips_output_section_reginfo): Change base class to
 581         Output_section_data, and set masks of the output .reginfo section
 582         in constructor.
 583         (Mips_output_section_reginfo::as_mips_output_section_reginfo):
 584         Remove.
 585         (Mips_output_section_reginfo::set_masks): Likewise.
 586         (Mips_output_section_reginfo::set_final_data_size): Likewise.
 587         (Mips_output_section_reginfo::do_print_to_mapfile): New method.
 588         (Target_mips::do_make_output_section): Remove.
 589         (Mips_relobj::do_read_symbols): Set has_reginfo_section_ to true
 590         if the object contains a .reginfo section.
 591         (Target_mips::do_finalize_sections): Create a .reginfo output
 592         section if needed.
 593
 594 2016-06-09  Artemiy Volkov  <artemiyv@acm.org>
 595
 596         * mips.cc (Mips_output_data_got::do_write): Add missing template
 597         args via typedef.
 598
 599 2016-05-30  Marcin Kościelnicki  <koriakin@0x04.net>
 600
 601         PR/19960
 602         * s390.cc (Target_s390::ss_code_st_r14): Removed.
 603         (Target_s390::ss_code_l_r14): Removed.
 604         (Target_s390::ss_code_ear): Removed.
 605         (Target_s390::ss_code_c): Removed.
 606         (Target_s390::ss_match_st_r14): New function.
 607         (Target_s390::ss_match_l_r14): New function.
 608         (Target_s390::ss_match_mcount): Call ss_match_{l,st}_r14 instead
 609         of matching code directly.
 610         (Target_s390::ss_match_ear): New function.
 611         (Target_s390::ss_match_c): New function.
 612         (Target_s390::do_calls_non_split): Call ss_match_{ear,c} instead
 613         of matching code directly.
 614
 615 2016-05-19  Cary Coutant  <ccoutant@gmail.com>
 616
 617         PR gold/19823
 618         * copy-relocs.cc (Copy_relocs::make_copy_reloc): Add object
 619         parameter; check for protected symbol.
 620         * copy-relocs.h (Copy_relocs::make_copy_reloc): Add object parameter.
 621         * mips.cc (Mips_copy_relocs): Adjust call to make_copy_reloc.
 622         * symtab.cc (Symbol::init_fields): Initialize is_protected_.
 623         (Symbol_table::add_from_dynobj): Mark protected symbols.
 624         * symtab.h (Symbol::is_protected): New method.
 625         (Symbol::set_is_protected): New method.
 626         (Symbol::is_protected_): New data member.
 627
 628         * testsuite/Makefile.am (copy_test_protected): New test.
 629         * testsuite/Makefile.in: Regenerate.
 630         * testsuite/copy_test.cc (main): Add legal reference to protected
 631         symbol.
 632         * testsuite/copy_test_v1.cc (main): Likewise.
 633         * testsuite/copy_test_2.cc (ip): Add protected symbol.
 634         * testsuite/copy_test_protected.cc: New test source file.
 635         * testsuite/copy_test_protected.sh: New test script.
 636
 637 2016-05-19  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 638
 639         * mips.cc (Mips_got_entry::Mips_got_entry): Remove object argument
 640         for global got symbols, and set addend to 0.
 641         (Mips_got_entry::hash): Change hash algorithm.
 642         (Mips_got_entry::equals): Refactor.
 643         (Mips_got_entry::object): Return input object for local got symbols
 644         from union d.
 645         (Mips_got_entry::addend): Change return of the relocation addend.
 646         (Mips_got_entry::addend_): Move from union d.
 647         (Mips_got_entry::object_): Move into union d.
 648         (class Mips_symbol_hash): New class.
 649         (Mips_got_info::Global_got_entry_set): New type.
 650         (Mips_got_info::global_got_symbols): Change return type to
 651         Global_got_entry_set.
 652         (Mips_got_info::global_got_symbols_): Change type to
 653         Global_got_entry_set.
 654         (Mips_symbol::hash): New method.
 655         (Mips_output_data_la25_stub::symbols_): Change type to std::vector.
 656         (Mips_output_data_mips_stubs::Mips_stubs_entry_set): New type.
 657         (Mips_output_data_mips_stubs::symbols_): Change type to
 658         Mips_stubs_entry_set.
 659         (Mips_got_info::record_global_got_symbol): Don't pass object
 660         argument when creating global got symbol.
 661         (Mips_got_info::record_got_entry): Remove find before inserting
 662         got entries.
 663         (Mips_got_info::add_reloc_only_entries): Change type of iterator
 664         to Global_got_entry_set.
 665         (Mips_got_info::count_got_symbols): Likewise.
 666         (Mips_output_data_la25_stub::create_la25_stub): Use push_back
 667         for adding entries to symbols_.
 668         (Mips_output_data_la25_stub::do_write): Change type of iterator
 669         to std::vector.
 670         (Mips_output_data_mips_stubs::set_lazy_stub_offsets): Change type
 671         of iterator to Mips_stubs_entry_set.
 672         (Mips_output_data_mips_stubs::set_needs_dynsym_value): Likewise.
 673         (Mips_output_data_mips_stubs::do_write): Likewise.
 674
 675 2016-05-06  Han Shen  <shenhan@google.com>
 676
 677         PR gold/19987.
 678
 679         * aarch64-reloc.def: New relocation type.
 680         * aarch64.cc (AArch64_relocate_functions::Page): Changed to public.
 681         (Target_aarch64::Scan::local): Add R_AARCH64_LD64_GOTPAGE_LO15.
 682         (Target_aarch64::Scan::global): Add R_AARCH64_LD64_GOTPAGE_LO15.
 683         (Target_aarch64::Relocate::relocate): Implement R_AARCH64_LD64_GOTPAGE_LO15.
 684
 685 2016-04-28  Nick Clifton  <nickc@redhat.com>
 686
 687         * po/zh_CN.po: Updated Chinese (simplified) translation.
 688
 689 2016-04-15  H.J. Lu  <hongjiu.lu@intel.com>
 690
 691         * Makefile.in: Regenerated with automake 1.11.6.
 692         * aclocal.m4: Likewise.
 693         * testsuite/Makefile.in: Likewise.
 694
 695 2016-03-30  Cary Coutant  <ccoutant@gmail.com>
 696
 697         PR gold/16979
 698         * symtab.cc (Symbol_table::define_default_version): Check for case
 699         where symbols are both in different shared objects.
 700
 701 2016-03-27  Cary Coutant  <ccoutant@gmail.com>
 702
 703         PR gold/16111
 704         * i386.cc (Target_i386): Add check for fully-resolved symbol for
 705         R_386_GOTOFF.
 706
 707 2016-03-22  Nick Clifton  <nickc@redhat.com>
 708
 709         * configure: Regenerate.
 710
 711 2016-03-21  Cary Coutant  <ccoutant@gmail.com>
 712
 713         PR gold/19842
 714         * errors.cc (Errors::undefined_symbol): Add info message when
 715         symbol should have been provided by a plugin.
 716         * target-reloc.h (issue_undefined_symbol_error): Check for
 717         placeholder symbols defined in discarded sections.
 718         * testsuite/Makefile.am (plugin_test_9b): New test case.
 719         * testsuite/Makefile.in: Regenerate.
 720         * testsuite/plugin_test_9b_elf.cc: New test source file.
 721         * testsuite/plugin_test_9b_ir.cc: New test source file.
 722
 723 2016-03-20  Cary Coutant  <ccoutant@gmail.com>
 724
 725         PR gold/19002
 726         * ehframe.cc (Eh_frame::read_fde): Check for dropped functions.
 727         * testsuite/Makefile.am (eh_test_2): New test.
 728         * testsuite/Makefile.in: Regenerate.
 729         * testsuite/eh_test_2.sh: New test script.
 730         * testsuite/eh_test_a.cc (bar): Make it comdat.
 731         * testsuite/eh_test_b.cc (bar): Add a duplicate copy.
 732
 733 2016-03-18  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 734
 735         * mips.cc (Mips_relobj::is_n64_): Remove.
 736         (Target_mips::ei_class_): Likewise.
 737         (Mips_relobj::is_newabi): Call methods.
 738         (Mips_relobj::is_n64): Change checking for N64 ABI.
 739         (Target_mips::is_output_n64): Likewise.
 740         (Target_mips::merge_processor_specific_flags): Remove ei_class
 741         argument, and remove comparing ei_class.
 742         (Target_mips::do_adjust_elf_header): Remove setting EI_CLASS field
 743         of the ELF header.
 744         (Target_mips::do_finalize_sections): Don't pass ei_class argument
 745         to merge_processor_specific_flags.
 746         (Target_mips::elf_mips_abi_name): Remove ei_class argument, and
 747         change checking for N64 ABI.
 748
 749 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 750
 751         * mips.cc (enum Special_relocation_symbol): New enum type.
 752         (is_readonly_section): New function.
 753         (eh_reloc): Likewise.
 754         (Mips_got_entry::is_section_symbol_): New member.
 755         (Mips_got_entry::is_section_symbol): New method.
 756         (Mips_got_info::record_local_got_symbol): Add is_section_symbol
 757         argument.
 758         (Mips_relobj::mips_elf_options_section_name): New method.
 759         (Mips_output_data_got::record_local_got_symbol): Add
 760         is_section_symbol argument, and pass it to
 761         Mips_got_info::record_local_got_symbol.
 762         (Mips_output_data_got::got_offset): Add addend argument, and pass
 763         it to Relobj::local_got_offset.
 764         (struct Mips_output_reloc_writer): New type.
 765         (class Mips_output_data_reloc): New class.
 766         (Mips_output_data_plt::Reloc_section): Change type to
 767         Mips_output_data_reloc.
 768         (Target_mips::Reloc_section): Likewise.
 769         (Mips_reloc_types::get_r_addend): Remove unsigned from return type.
 770         (Mips_classify_reloc::get_r_type2): New method.
 771         (Mips_classify_reloc::get_r_type3): Likewise.
 772         (Mips_classify_reloc::get_r_ssym): Likewise.
 773         (Target_mips::Reloca_section): Remove.
 774         (Relocate::should_apply_static_reloc): Rename from
 775         should_apply_r_mips_32_reloc.
 776         (Target_mips::copy_reloc): Replace Reltype parameter with r_type
 777         and r_offset.
 778         (Mips_relocate_functions::Valtype): New type.
 779         (Mips_relocate_functions::Valtype64): New type.
 780         (Mips_relocate_functions::check_overflow): New method.
 781         (Mips_relocate_functions::mips_reloc_unshuffle): Move to public
 782         interface.
 783         (Mips_relocate_functions::mips_reloc_shuffle): Likewise.
 784         (Mips_relocate_functions::rel16): Add support for resolving
 785         relocations for Mips64.
 786         (Mips_relocate_functions::rel32): Likewise.
 787         (Mips_relocate_functions::reljalr): Likewise.
 788         (Mips_relocate_functions::relpc32): Likewise.
 789         (Mips_relocate_functions::rel26): Likewise.
 790         (Mips_relocate_functions::relpc16): Likewise.
 791         (Mips_relocate_functions::relmicromips_pc7_s1): Likewise.
 792         (Mips_relocate_functions::relmicromips_pc10_s1): Likewise.
 793         (Mips_relocate_functions::relmicromips_pc16_s1): Likewise.
 794         (Mips_relocate_functions::do_relhi16): Likewise.
 795         (Mips_relocate_functions::do_relgot16_local): Likewise.
 796         (Mips_relocate_functions::rello16): Likewise.
 797         (Mips_relocate_functions::relgot): Likewise.
 798         (Mips_relocate_functions::relgotpage): Likewise.
 799         (Mips_relocate_functions::relgotofst): Likewise.
 800         (Mips_relocate_functions::relgot_hi16): Likewise.
 801         (Mips_relocate_functions::relgot_lo16): Likewise.
 802         (Mips_relocate_functions::relgprel): Likewise.
 803         (Mips_relocate_functions::relgprel32): Likewise.
 804         (Mips_relocate_functions::tlsrelhi16): Likewise.
 805         (Mips_relocate_functions::tlsrello16): Likewise.
 806         (Mips_relocate_functions::tlsrel32): Likewise.
 807         (Mips_relocate_functions::relsub): Likewise.
 808         (Mips_relocate_functions::releh): New method.
 809         (Mips_relocate_functions::rel64): Likewise.
 810         (Mips_got_info::record_local_got_symbol): Add is_section_symbol and
 811         pass it to Mips_got_entry.
 812         (Mips_got_info::add_local_entries): Pass addend argument
 813         to code functions, and for STT_SECTION symbols call
 814         add_symbolless_local_addend.
 815         (Mips_got_info::add_tls_entries): Pass addend argument to code
 816         functions.
 817         (Mips_relobj::do_read_symbols): Read gp value that was used to
 818         create object.
 819         (Mips_output_data_plt::plt_entry): Remove opcode from l[wd]
 820         instruction. Opcode for instruction will be selected later.
 821         (Target_mips::gc_process_relocs): Add case for SHT_RELA.
 822         (Target_mips::scan_relocatable_relocs): Likewise.
 823         (Target_mips::emit_relocs_scan): Likewise.
 824         (Target_mips::relocate_relocs): Likewise.
 825         (Target_mips::do_finalize_sections): Skip objects for merging
 826         processor specific flags in which all input sections will be
 827         discarded.
 828         (mips_get_size_for_reloc): Add case for R_MIPS_EH.
 829         (Target_mips::Scan::get_reference_flags): Likewise.
 830         (Target_mips::relocate_special_relocatable): Call rel26 method with
 831         calculate_only and calculated_value arguments.
 832         (Target_mips::Scan::local): Add case for R_MIPS_EH. Don't create a
 833         dynamic relocation against a readonly sections, and pass
 834         is_section_symbol to Mips_got_info::record_local_got_symbol.
 835         (Target_mips::Scan::global): Add case for R_MIPS_EH. Don't create a
 836         dynamic relocation against a readonly sections, and pass r_type
 837         and r_offset to Target_mips::copy_reloc.
 838         (Target_mips::Relocate::relocate): Add support for resolving
 839         relocations for Mips64.
 840         (Target_mips::mips_info): Add case for Mips64 default dynamic
 841         linker name.
 842         (Target_selector_mips): Correct emulation names.
 843
 844 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 845
 846         * mips.cc (class Mips_output_data_la25_stub): Add
 847         do_print_to_mapfile function.
 848
 849 2016-03-17  Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 850
 851         * mips.cc (Mips_classify_reloc::put_r_info): Call 32bit version of
 852         elf_r_info.
 853
 854 2016-03-09  H.J. Lu  <hongjiu.lu@intel.com>
 855
 856         * testsuite/plugin_layout_with_alignment.cc: Renamed to ..
 857         * testsuite/plugin_layout_with_alignment.c: This.
 858         * testsuite/Makefile.am (plugin_layout_with_alignment.o): Updated.
 859         (plugin_layout_with_alignment): Likewise.
 860         * testsuite/Makefile.in: Regenerated.
 861
 862 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 863
 864         PR 19751
 865         * testsuite/Makefile.am (retain_symbols_file_test): Remove check
 866         for constructor.
 867         * testsuite/Makefile.in: Regenerate.
 868         * testsuite/dynamic_list.sh: Likewise.
 869         * testsuite/retain_symbols_file_test.sh: Likewise.
 870
 871 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 872
 873         PR 19751
 874         * arm.cc (Reloc_stub::Key::name): Add unused attribute.
 875         * dirsearch.cc (Dir_caches::~Dir_caches): Likewise.
 876
 877 2016-03-08  Cary Coutant  <ccoutant@gmail.com>
 878             Vladimir Radosavljevic  <vladimir.radosavljevic@imgtec.com>
 879
 880         * output.cc (Output_reloc_writer): New type.
 881         (Output_data_reloc_base::do_write): Move implementation to template
 882         in output.h and replace with invocation of template.
 883         * output.h (Output_file): Move to top of file.
 884         (Output_reloc::get_symbol_index): Move to public interface.
 885         (Output_reloc::get_address): Likewise.
 886         (Output_data_reloc_base::do_write_generic): New function template.
 887
 888 2016-03-04  Cary Coutant  <ccoutant@gmail.com>
 889
 890         PR gold/19019
 891         PR gold/19763
 892         * symtab.cc: Instantiate Sized_symbol::init_constant and
 893         Sized_symbol::init_undefined.
 894
 895 2016-03-03  Cary Coutant  <ccoutant@gmail.com>
 896
 897         PR gold/19019
 898         * layout.h (Layout::add_target_specific_dynamic_tag): New function.
 899         * layout.cc (Layout::add_target_specific_dynamic_tag): New function.
 900         * mips.cc (Target_mips::make_symbol): Adjust function signature.
 901         * sparc.cc (Target_sparc::Target_sparc): Initialize register_syms_.
 902         (Target_sparc::do_is_defined_by_abi): Remove test for
 903         STT_SPARC_REGISTER.
 904         (Target_sparc::Register_symbol): New struct type.
 905         (Target_sparc::register_syms_): New data member.
 906         (Target_sparc<64, true>::sparc_info): Set has_make_symbol to true.
 907         (Target_sparc::make_symbol): New function.
 908         (Target_sparc::do_finalize_sections): Add register symbols and new
 909         dynamic table entries.
 910         * symtab.h (Sized_symbol::init_undefined): Add value parameter.
 911         (Symbol_table::add_target_global_symbol): New function.
 912         (Symbol_table::target_symbols_): New data member.
 913         * symtab.cc (Sized_symbol::init_undefined): Add value parameter.
 914         (Symbol_table::Symbol_table): Initialize target_symbols_.
 915         (Symbol_table::add_from_object): Pass additional parameters to
 916         Target::make_symbol.
 917         (Symbol_table::define_special_symbol): Likewise.
 918         (Symbol_table::add_undefined_symbol_from_command_line): Pass 0 for
 919         undefined symbol value.
 920         (Symbol_table::set_dynsym_indexes): Process target-specific symbols.
 921         (Symbol_table::sized_finalize): Likewise.
 922         (Symbol_table::sized_write_globals): Likewise.
 923         * target.h (Sized_target::make_symbol): Add name, st_type, object,
 924         st_shndx, and value parameters.
 925
 926 2016-03-03  Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
 927
 928         * plugin.cc (do_should_include_member): Ignore LDPK_UNDEF and
 929         LDPK_WEAKUNDEF symbols.
 930
 931 2016-03-03  Than McIntosh  <thanm@google.com>
 932
 933         * plugin.cc (Plugin::load): Include hooks for get_input_section_size
 934         and get_input_section_alignment in transfer vector.
 935         (get_input_section_alignment): New function.
 936         (get_input_section_size): New function.
 937         * testsuite/Makefile.am: Add plugin_layout_with_alignment.sh test.
 938         * testsuite/Makefile.in: [Regenerate.]
 939         * testsuite/plugin_section_alignment.cc: New test file.
 940         * testsuite/plugin_layout_with_alignment.cc: New test file.
 941         * testsuite/plugin_layout_with_alignment.sh: New test file.
 942
 943 2016-03-03  Evgenii Stepanov  <eugenis@google.com>
 944
 945         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 946         parameter.
 947         * plugin.cc (get_symbols_v3): New function.
 948         (Plugin::load): Add LDPT_GET_SYMBOLS_V3.
 949         (Pluginobj::get_symbol_resolution_info): Return LDPS_NO_SYMS when using
 950         new version.
 951
 952 2016-02-26  Egor Kochetov  <egor.kochetov@intel.com>
 953             Cary Coutant  <ccoutant@gmail.com>
 954
 955         PR gold/19735
 956         * ehframe.h (Cie::fde_encoding): New method.
 957         * ehframe.cc (Eh_frame::read_fde): Discard FDEs for zero-length
 958         address ranges.
 959
 960 2016-02-15  H.J. Lu  <hongjiu.lu@intel.com>
 961
 962         * testsuite/Makefile.am (x86_64_mov_to_lea5.o): Pass
 963         -mrelax-relocations=yes to $(TEST_AS).
 964         (x86_64_mov_to_lea6.o): Likewise.
 965         (x86_64_overflow_pc32.o): Remove duplicated target.
 966         * testsuite/Makefile.in: Regenerated.
 967
 968 2016-02-15  Marcin Kościelnicki  <koriakin@0x04.net>
 969
 970         * s390.cc (Target_s390::match_view_u): New helper method.
 971         (Target_s390::do_is_call_to_non_split): New method.
 972         (Target_s390::ss_code_st_r14): New const.
 973         (Target_s390::ss_code_l_r14): New const.
 974         (Target_s390::ss_code_bras_8): New const.
 975         (Target_s390::ss_code_l_basr): New const.
 976         (Target_s390::ss_code_a_basr): New const.
 977         (Target_s390::ss_code_ear): New const.
 978         (Target_s390::ss_code_c): New const.
 979         (Target_s390::ss_code_larl): New const.
 980         (Target_s390::ss_code_brasl): New const.
 981         (Target_s390::ss_code_jg): New const.
 982         (Target_s390::ss_code_jgl): New const.
 983         (Target_s390::ss_match_mcount): New helper method.
 984         (Target_s390::ss_match_l): New helper method.
 985         (Target_s390::ss_match_ahi): New helper method.
 986         (Target_s390::ss_match_alfi): New helper method.
 987         (Target_s390::ss_match_cr): New helper method.
 988         (Target_s390::do_calls_non_split): New method.
 989         * testsuite/Makefile.am: Added new tests.
 990         * testsuite/Makefile.in: Regenerate.
 991         * testsuite/split_s390.sh: New test.
 992         * testsuite/split_s390_1_a1.s: New test.
 993         * testsuite/split_s390_1_a2.s: New test.
 994         * testsuite/split_s390_1_n1.s: New test.
 995         * testsuite/split_s390_1_n2.s: New test.
 996         * testsuite/split_s390_1_z1.s: New test.
 997         * testsuite/split_s390_1_z2.s: New test.
 998         * testsuite/split_s390_1_z3.s: New test.
 999         * testsuite/split_s390_1_z4.s: New test.
1000         * testsuite/split_s390_2_ns.s: New test.
1001         * testsuite/split_s390_2_s.s: New test.
1002         * testsuite/split_s390x_1_a1.s: New test.
1003         * testsuite/split_s390x_1_a2.s: New test.
1004         * testsuite/split_s390x_1_n1.s: New test.
1005         * testsuite/split_s390x_1_n2.s: New test.
1006         * testsuite/split_s390x_1_z1.s: New test.
1007         * testsuite/split_s390x_1_z2.s: New test.
1008         * testsuite/split_s390x_1_z3.s: New test.
1009         * testsuite/split_s390x_1_z4.s: New test.
1010         * testsuite/split_s390x_2_ns.s: New test.
1011         * testsuite/split_s390x_2_s.s: New test.
1012
1013 2016-02-11 Rahul Chaudhry  <rahulchaudhry@google.com>
1014
1015         * aarch64.cc (Target_aarch64::scan_erratum_843419_span): Remove
1016         info message for every erratum 843419 found and fixed.
1017
1018 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
1019
1020         PR gold/18695
1021         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
1022         information to relocation overflow errors.
1023
1024 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1025
1026         PR gold/18695
1027         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
1028         overflow checking when symbol value + addend < 0.
1029
1030 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1031
1032         PR gold/19577
1033         * reloc.h (Limits): New class.
1034         (Bits::has_overflow32): Use min/max values from Limits.
1035         (Bits::has_unsigned_overflow32): Likewise.
1036         (Bits::has_signed_unsigned_overflow32): Likewise.
1037         (Bits::has_overflow): Likewise.
1038         (Bits::has_unsigned_overflow): Likewise.
1039         (Bits::has_signed_unsigned_overflow64): Likewise.
1040
1041 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1042
1043         PR gold/19567
1044         * reloc.h (Relocate_functions::Overflow_check): Add comments.
1045         * x86_64.cc (X86_64_relocate_functions): New class.
1046         (Target_x86_64::Relocate::relocate): Use the new class.
1047         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
1048         (x32_overflow_pc32): New test case.
1049         * testsuite/Makefile.in: Regenerate.
1050         * testsuite/x32_overflow_pc32.sh: New script.
1051         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
1052
1053 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1054
1055         PR gold/19577
1056         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
1057         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
1058
1059 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
1060
1061         PR gold/19577
1062         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
1063         comparison.
1064         (Bits::has_unsigned_overflow): Likewise.
1065
1066 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
1067
1068         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
1069         parameters.
1070         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
1071         and view_size to is_call_to_non_split.
1072         * target.cc (Target::is_call_to_non_split): Add view and view_size
1073         parameters.
1074         * target.h (class Target): Likewise.
1075
1076 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
1077
1078         * icf.cc (get_rel_addend): New function.
1079         (get_section_contents):  Move merge section addend computation to a
1080         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
1081         Fix bug to not read past the length of the section.
1082
1083 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1084             Andrew Senkevich  <andrew.senkevich@intel.com>
1085
1086         PR gold/18695
1087         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
1088         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
1089         R_X86_64_PLT32.
1090         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
1091         * testsuite/x86_64_overflow_pc32.sh: New test script.
1092         * testsuite/x86_64_overflow_pc32.s: New source file.
1093
1094 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
1095
1096         PR gold/18695
1097         * reloc.h (Relocate_functions::Address): New typedef.
1098         (Relocate_functions::Addendtype): New typedef.
1099         (Relocate_functions::Overflow_check): New enum type.
1100         (Relocate_functions::Reloc_status): New enum type.
1101         (Relocate_functions::check_overflow): New function template.
1102         (Relocate_functions::rel): Add check parameter; check for overflow.
1103         (Relocate_functions::rel_unaligned): Likewise.
1104         (Relocate_functions::rela): Likewise.
1105         (Relocate_functions::pcrel): Likewise.
1106         (Relocate_functions::pcrel_unaligned): Likewise.
1107         (Relocate_functions::pcrela): Likewise.
1108         (Relocate_functions::rel8): Adjust parameter types.
1109         (Relocate_functions::rela8): Likewise.
1110         (Relocate_functions::pcrel8): Likewise.
1111         (Relocate_functions::pcrela8): Likewise.
1112         (Relocate_functions::rel16): Likewise.
1113         (Relocate_functions::rela168): Likewise.
1114         (Relocate_functions::pcrel16): Likewise.
1115         (Relocate_functions::pcrela16): Likewise.
1116         (Relocate_functions::rel32): Likewise.
1117         (Relocate_functions::rel32_unaligned): Likewise.
1118         (Relocate_functions::rela32): Likewise.
1119         (Relocate_functions::pcrel32): Likewise.
1120         (Relocate_functions::pcrel32_unaligned): Likewise.
1121         (Relocate_functions::pcrela32): Likewise.
1122         (Relocate_functions::rel8_check): New function.
1123         (Relocate_functions::rela8_check): New function.
1124         (Relocate_functions::pcrel8_check): New function.
1125         (Relocate_functions::pcrela8_check): New function.
1126         (Relocate_functions::rel16_check): New function.
1127         (Relocate_functions::rela168_check): New function.
1128         (Relocate_functions::pcrel16_check): New function.
1129         (Relocate_functions::pcrela16_check): New function.
1130         (Relocate_functions::rel32_check): New function.
1131         (Relocate_functions::rel32_unaligned_check): New function.
1132         (Relocate_functions::rela32_check): New function.
1133         (Relocate_functions::pcrel32_check): New function.
1134         (Relocate_functions::pcrel32_unaligned_check): New function.
1135         (Relocate_functions::pcrela32_check): New function.
1136         (Bits::has_unsigned_overflow32): New function.
1137         (Bits::has_unsigned_overflow): New function.
1138         * testsuite/Makefile.am (overflow_unittest): New test.
1139         * testsuite/Makefile.in: Regenerate.
1140         * testsuite/overflow_unittest.cc: New source file.
1141
1142 2016-02-04  Alan Modra  <amodra@gmail.com>
1143
1144         * powerpc.cc (relocate): Adjust last patch for big-endian.
1145
1146 2016-02-02  Alan Modra  <amodra@gmail.com>
1147
1148         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
1149
1150 2016-01-15 Han Shen  <shenhan@google.com>
1151
1152         PR gold/19472 - need pc-relative stubs.
1153
1154         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
1155         stub type for DSOs and pie executables.
1156
1157 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
1158
1159         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
1160         'typename'.
1161
1162 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
1163
1164         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
1165         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
1166         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
1167         specializations) New method.
1168
1169 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1170
1171         PR gold/19353
1172         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
1173         we have a TLS segment for GD-to-IE optimization.
1174         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
1175         Adjust all calls.
1176         (Target_i386::tls_desc_gd_to_ie): Likewise.
1177         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
1178         for TLSDESC GD-to-IE optimizations.
1179         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
1180         Adjust all calls.
1181         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
1182         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
1183         for TLSDESC GD-to-IE optimizations.
1184
1185 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
1186
1187         Refactor gold to enable support for MIPS-64 relocation format.
1188
1189         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
1190         (gc_process_relocs): Remove sh_type template parameter.
1191         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
1192         * object.h (Sized_relobj_file::split_stack_adjust): Add target
1193         parameter.
1194         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
1195         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
1196         specializations) Remove.
1197         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
1198         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
1199         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
1200         (Sized_relobj_file::split_stack_adjust): Add target parameter.
1201         Adjust all callers.
1202         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
1203         Target::get_r_sym() to get r_sym field from relocations.
1204         (Track_relocs::next_symndx): Call Target::get_r_sym().
1205         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
1206         add Classify_reloc template parameter.  Use for accessing r_sym and
1207         r_type.
1208         (relocate_section): Likewise.
1209         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
1210         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
1211         (Default_scan_relocatable_relocs::Reltype): New typedef.
1212         (Default_scan_relocatable_relocs::reloc_size): New const.
1213         (Default_scan_relocatable_relocs::sh_type): New const.
1214         (Default_scan_relocatable_relocs::get_r_sym): New method.
1215         (Default_scan_relocatable_relocs::get_r_type): New method.
1216         (Default_emit_relocs_strategy): New class.
1217         (scan_relocatable_relocs): Replace sh_type template parameter with
1218         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
1219         fields.
1220         (relocate_relocs): Replace sh_type template parameter with
1221         Classify_reloc class.  Use it to access r_sym and r_type fields.
1222         * target.h (Target::is_call_to_non_split): Replace r_type parameter
1223         with pointer to relocation. Adjust all callers.
1224         (Target::do_is_call_to_non_split): Likewise.
1225         (Target::emit_relocs_scan): New virtual method.
1226         (Sized_target::get_r_sym): New virtual method.
1227         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
1228         with pointer to relocation.
1229
1230         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
1231         (Target_aarch64::Relocatable_size_for_reloc): Remove.
1232         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
1233         (Target_aarch64::scan_relocs): Likewise.
1234         (Target_aarch64::relocate_section): Likewise.
1235         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
1236         Remove.
1237         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
1238         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
1239         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
1240         template parameter.
1241         (Target_arm::emit_relocs_scan): New method.
1242         (Target_arm::Relocatable_size_for_reloc): Replace with...
1243         (Target_arm::Classify_reloc): ...this.
1244         (Target_arm::gc_process_relocs): Use Classify_reloc.
1245         (Target_arm::scan_relocs): Likewise.
1246         (Target_arm::relocate_section): Likewise.
1247         (Target_arm::scan_relocatable_relocs): Likewise.
1248         (Target_arm::relocate_relocs): Likewise.
1249         * i386.cc (Target_i386::emit_relocs_scan): New method.
1250         (Target_i386::Relocatable_size_for_reloc): Replace with...
1251         (Target_i386::Classify_reloc): ...this.
1252         (Target_i386::gc_process_relocs): Use Classify_reloc.
1253         (Target_i386::scan_relocs): Likewise.
1254         (Target_i386::relocate_section): Likewise.
1255         (Target_i386::scan_relocatable_relocs): Likewise.
1256         (Target_i386::relocate_relocs): Likewise.
1257         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
1258         parameter.
1259         (Mips_reloc_types): New class template.
1260         (Mips_classify_reloc): New class template.
1261         (Target_mips::Reltype): New typedef.
1262         (Target_mips::Relatype): New typedef.
1263         (Target_mips::emit_relocs_scan): New method.
1264         (Target_mips::get_r_sym): New method.
1265         (Target_mips::Relocatable_size_for_reloc): Replace with
1266         Mips_classify_reloc.
1267         (Target_mips::copy_reloc): Use Mips_classify_reloc.
1268         (Target_mips::gc_process_relocs): Likewise.
1269         (Target_mips::scan_relocs): Likewise.
1270         (Target_mips::relocate_section): Likewise.
1271         (Target_mips::scan_relocatable_relocs): Likewise.
1272         (Target_mips::relocate_relocs): Likewise.
1273         (mips_get_size_for_reloc): New function, factored out from
1274         Relocatable_size_for_reloc::get_size_for_reloc.
1275         (Target_mips::Scan::local): Use Mips_classify_reloc.
1276         (Target_mips::Scan::global): Likewise.
1277         (Target_mips::Relocate::relocate): Likewise.
1278         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
1279         (Target_powerpc::Relocatable_size_for_reloc): Remove.
1280         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
1281         (Target_powerpc::scan_relocs): Likewise.
1282         (Target_powerpc::relocate_section): Likewise.
1283         (Powerpc_scan_relocatable_reloc): Convert to class template.
1284         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
1285         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
1286         (Powerpc_scan_relocatable_reloc::sh_type): New const.
1287         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
1288         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
1289         (Target_powerpc::scan_relocatable_relocs): Use
1290         Powerpc_scan_relocatable_reloc.
1291         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
1292         * s390.cc (Target_s390::emit_relocs_scan): New method.
1293         (Target_s390::Relocatable_size_for_reloc): Remove.
1294         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
1295         (Target_s390::scan_relocs): Likewise.
1296         (Target_s390::relocate_section): Likewise.
1297         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
1298         Remove.
1299         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
1300         (Target_s390::relocate_relocs): Use Default_classify_reloc.
1301         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
1302         (Target_sparc::Relocatable_size_for_reloc): Remove.
1303         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
1304         (Target_sparc::scan_relocs): Likewise.
1305         (Target_sparc::relocate_section): Likewise.
1306         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
1307         Remove.
1308         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
1309         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
1310         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
1311         (Target_tilegx::Relocatable_size_for_reloc): Remove.
1312         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
1313         (Target_tilegx::scan_relocs): Likewise.
1314         (Target_tilegx::relocate_section): Likewise.
1315         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
1316         Remove.
1317         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
1318         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
1319         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
1320         (Target_x86_64::Relocatable_size_for_reloc): Remove.
1321         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
1322         (Target_x86_64::scan_relocs): Likewise.
1323         (Target_x86_64::relocate_section): Likewise.
1324         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
1325         Remove.
1326         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
1327         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
1328
1329         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
1330
1331 2016-01-01  Alan Modra  <amodra@gmail.com>
1332
1333         Update year range in copyright notice of all files.
1334
1335 For older changes see ChangeLog-0815
1336 \f
1337 Copyright (C) 2016 Free Software Foundation, Inc.
1338
1339 Copying and distribution of this file, with or without modification,
1340 are permitted in any medium without royalty provided the copyright
1341 notice and this notice are preserved.
1342
1343 Local Variables:
1344 mode: change-log
1345 left-margin: 8
1346 fill-column: 74
1347 version-control: never
1348 End: