gold/ChangeLog

   1 2017-06-21  Alan Modra  <amodra@gmail.com>
   2
   3         * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent.  Remove indx_.
   4         (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
   5         (struct Plt_stub_ent): New.
   6         (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent.  Adjust
   7         use throughout file.
   8
   9 2017-06-20  Eric Christopher  <echristo@gmail.com>
  10
  11         * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
  12         calculate the symbol value.
  13         (scan_reloc_section_for_stubs): Allow stubs to be created for
  14         section symbols.
  15         (maybe_apply_stub): Handle creating stubs for weak symbols to
  16         match the code in scan_reloc_for_stub.
  17
  18 2017-06-20  James Clarke  <jrtc27@jrtc27.com>
  19
  20         * powerpc.cc (Stub_table::define_stub_syms): Always include object's
  21         uniq_ value.
  22
  23 2017-06-15  Eric Christopher  <echristo@gmail.com>
  24
  25         * aarch64.cc: Fix a few typos and grammar-os.
  26
  27 2017-06-15  Jiong Wang  <jiong.wang@arm.com>
  28
  29         * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
  30         (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
  31         Return ture for some TLS relaxed sequences.
  32
  33 2017-06-07  Eric Christopher  <echristo@gmail.com>
  34
  35         * aarch64.cc (maybe_apply_stub): Add debug logging for looking
  36         up stubs to undefined symbols and early return rather than
  37         fail to look them up.
  38         (scan_reloc_for_stub): Add debug logging for no stub creation
  39         for undefined symbols.
  40
  41 2017-05-23  Alan Modra  <amodra@gmail.com>
  42
  43         PR 21503
  44         * options.h: Add --emit-stub-syms option.
  45         * powerpc.cc (object_id): New.
  46         (Powerpc_relobj): Add uniq_ and accessor.  Sort variables for
  47         better packing.
  48         (Powerpc_dynobj): Sort variables for better packing.
  49         (Target_powerpc::define_local): New function.
  50         (Target_powerpc::group_sections): Pass stub table size to
  51         Stub_table constructor.
  52         (Target_powerpc::do_relax): Define stub and glink symbols.
  53         (Stub_table): Add uniq_ variable, and id param to constructor.
  54         (Stub_table::Plt_stub_ent): Add indx_ variable.
  55         (Stub_table::Branch_stub_entries): Move typedef earlier.
  56         (Stub_table::branch_stub_size): Replace "to" parameter with a
  57         Branch_stub_entries iterator.
  58         (Stub_table::add_long_branch_entry): Adjust to suit.
  59         (Stub_table::add_plt_call_entry): Set indx_.
  60         (Stub_table::define_stub_syms): New function.
  61
  62 2017-05-15  Eric Christopher <echristo@gmail.com>
  63
  64         * layout.cc (Layout::segment_precedes): Add a case for testing
  65         pointer equality when determining which segment precedes
  66         another.
  67
  68 2017-05-13  James Clarke  <jrtc27@jrtc27.com>
  69
  70         PR gold/21444
  71         * gold.cc (Target_sparc::Relocate::relocate_tls): Local
  72         variables are final for position-independent executables. This
  73         has to be consistent with Target_sparc::Scan::local otherwise
  74         they will disagree as to whether local-exec is used.
  75
  76 2017-05-12  Igor Kudrin  <ikudrin@accesssoftek.com>
  77
  78         PR gold/21430
  79         * aarch64.cc
  80         (AArch64_relobj::convert_input_section_to_relaxed_section):
  81         Set the section offset to -1ULL.
  82         (Target_aarch64::relocate_section): Adjust the view in case
  83         of a relaxed input section.
  84         * testsuite/Makefile.am (pr21430): New test.
  85         * testsuite/Makefile.in: Regenerate
  86         * testsuite/pr21430.s: New test source file.
  87         * testsuite/pr21430.sh: New test script.
  88
  89 2017-04-27  Alan Modra  <amodra@gmail.com>
  90
  91         * testsuite/plugin_section_order.c (onload): Add missing break.
  92
  93 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
  94
  95         * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
  96         possibility of collisions.
  97         (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
  98         entries.
  99
 100 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 101
 102         * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
 103         member.
 104         (Mips_relobj::merge_processor_specific_data): New method.
 105         (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
 106         to false, only if the input file is a binary or if object has no
 107         contents except the section name string table and an empty symbol
 108         table with the undefined symbol.
 109         (Target_mips::do_finalize_sections): Refactor.  Skip empty object files
 110         for merging processor-specific data.
 111
 112 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 113
 114         * mips.cc (Target_mips::Relocate::calculated_value_): New data
 115         member.
 116         (Target_mips::Relocate::calculate_only_): Likewise.
 117         (Target_mips::Relocate::relocate): Handle multiple consecutive
 118         relocations with the same offset.
 119
 120 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 121
 122         * mips.cc (Target_mips::Relocate::relocate): Remove redundant
 123         checks for relocatable link.
 124         (Mips_relocate_functions::reljalr): Likewise.
 125
 126 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 127
 128         * mips.cc (class Mips_output_section_options): New class.
 129         (Target_mips::do_make_output_section): New method.
 130
 131 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 132
 133         * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
 134         overflow error message.
 135         (Target_mips::relocate_special_relocatable): Improve relocation
 136         overflow error message.
 137         (Target_mips::Relocate::relocate): Likewise.
 138
 139 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 140
 141         * mips.cc (symbol_refs_local): Return false if a symbol
 142         is from a dynamic object.
 143         (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
 144         (Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
 145         STB_LOCAL.
 146         (Target_mips::do_finalize_sections): Set _gp after all the checks
 147         for creating .got are done.
 148         (Target_mips::Scan::global): Remove unused code.
 149
 150 2017-02-22  Alan Modra  <amodra@gmail.com>
 151
 152         * powerpc.cc (Target_powerpc::make_iplt_section): Check that
 153         output_section exists before attempting add_output_section_data.
 154         (Target_powerpc::make_brlt_section): Likewise.
 155
 156 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 157
 158         * mips.cc (Target_mips::Scan::get_reference_flags): Remove
 159         gold_unreachable from default case.
 160
 161 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 162
 163         PR gold/21111
 164         * mips.cc (Mips_relocate_functions::relhigher): New method.
 165         (Mips_relocate_functions::relhighest): Likewise.
 166         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
 167         R_MIPS_HIGHEST.
 168         (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
 169         R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
 170         (Target_mips::Scan::global): Likewise.
 171         (Target_mips::Scan::get_reference_flags): Likewise.
 172         (Target_mips::Relocate::relocate): Call static methods for resolving
 173         HIGHER and HIGHEST relocations.
 174
 175 2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>
 176
 177         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 178         Return true even when building pie binaries.
 179         (Target_x86_64::possible_function_pointer_reloc): Check opcode
 180         for R_X86_64_PC32 relocations.
 181         (Target_x86_64::local_reloc_may_be_function_pointer): Pass
 182         extra arguments to local_reloc_may_be_function_pointer.
 183         (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
 184         * gc.h (gc_process_relocs): Add check for STT_FUNC.
 185         * testsuite/Makefile.am (icf_safe_pie_test): New test case.
 186         * testsuite/Makefile.in: Regenerate.
 187         * testsuite/icf_safe_pie_test.sh: New shell script.
 188
 189 2017-02-03  Alan Modra  <amodra@gmail.com>
 190
 191         * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
 192         when no .toc section exists.
 193
 194 2017-01-31  Cary Coutant  <ccoutant@gmail.com>
 195
 196         PR gold/21090
 197         * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
 198         for predefined symbol.
 199         (Target_x86_64::Relocate::relocate): Fix formatting.
 200
 201 2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>
 202
 203         * testsuite/icf_safe_so_test.sh: Use "set -e".
 204         * testsuite/icf_safe_test.sh: Likewise.
 205         * testsuite/icf_test.sh: Likewise.
 206
 207 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 208
 209         * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
 210         type.
 211         (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
 212         point to .plt.
 213
 214 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
 215
 216         PR gold/21054
 217         * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
 218         to the dynamic symbol table if it is forced to local visibility.
 219         (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
 220         dynamic symbol table if it is forced to local visibility.
 221
 222 2017-01-20  Nick Clifton  <nickc@redhat.com>
 223
 224         * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
 225         from a pointer to an array.
 226
 227 2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>
 228
 229         PR gold/21040
 230         * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
 231         Cast 0x80008000 to uint64_t.
 232
 233 2017-01-12  Cary Coutant  <ccoutant@gmail.com>
 234
 235         * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
 236
 237 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 238
 239         PR gold/21040
 240         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 241         Remove unnecessary 'typename' keyword.
 242         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 243         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 244         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 245         (Output_data_plt_x86_64_bnd::do_write): Likewise.
 246
 247 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 248
 249         PR gold/21040
 250         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
 251         Remove unnecessary 'typename' keyword.
 252         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
 253         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
 254         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
 255         * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
 256         declarations.
 257
 258 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
 259
 260         PR gold/21039
 261         * testsuite/script_test_13.sh: Adjust patterns to work for i386.
 262         * testsuite/script_test_15a.sh: Likewise.
 263         * testsuite/script_test_15b.sh: Likewise.
 264         * testsuite/script_test_15c.sh: Likewise.
 265
 266 2017-01-11  Alan Modra  <amodra@gmail.com>
 267
 268         * powerpc.cc (class Powerpc_copy_relocs): New.
 269         (Powerpc_copy_relocs::emit): New function.
 270         (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
 271         (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
 272         (Powerpc_relobj::do_relocate_sections): New function.
 273         (Powerpc_relobj::make_toc_relative): Likewise.
 274         (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
 275         and .toc too.
 276         (ok_lo_toc_insn): Move earlier, and handle more insns.
 277         (Target_powerpc::Scan::local): If optimizing toc accesses, set
 278         no_toc_opt for entries we can't edit.  Check insn validity.
 279         Emit "toc optimization is not supported" warning, downgraded
 280         from error.
 281         (Target_powerpc::Scan::global): Likewise.
 282         (Target_powerpc::Relocate::relocate): Edit TOC indirect code
 283         to TOC relative.  Don't emit "toc optimization is not supported"
 284         error here.
 285
 286 2017-01-10  Cary Coutant  <ccoutant@gmail.com>
 287
 288         * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
 289         Sized_relobj_file::relocate_section_range().
 290         * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
 291         * object.h (Sized_relobj_file::relocate_section_range): New method.
 292         * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
 293         implementation...
 294         (Sized_relobj_file::relocate_section_range): ...to new method.
 295
 296 2017-01-10  Alan Modra  <amodra@gmail.com>
 297
 298         * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
 299         _GLOBAL_OFFSET_TABLE_.  Allow zero count.
 300         * testsuite/copy_test_relro_1.cc (c, q): New vars.
 301         * testsuite/copy_test_relro.cc: Rewrite to test read-only
 302         status of variables directly.  Reference new vars in
 303         read-only data.
 304
 305 2017-01-10  Alan Modra  <amodra@gmail.com>
 306
 307         * options.h: Add --secure-plt option.
 308         * powerpc.cc (Target_powerpc::Scan::local): Detect and error
 309         on -fPIC -mbss-plt code.
 310         (Target_powerpc::Scan::global): Likewise.
 311
 312 2017-01-09  Alan Modra  <amodra@gmail.com>
 313
 314         * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
 315         ".rela.plt" at ".plt".
 316
 317 2017-01-07  Alan Modra  <amodra@gmail.com>
 318
 319         * powerpc.cc: Use shorter equivalent elfcpp typedef for
 320         Reltype and reloc_size throughout.
 321         (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
 322         (Target_powerpc::Scan::local): Use local var r_sym.
 323         (Target_powerpc::Scan::global: Likewise.
 324         (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
 325
 326 2017-01-02  Alan Modra  <amodra@gmail.com>
 327
 328         Update year range in copyright notice of all files.
 329
 330 For older changes see ChangeLog-2016
 331 \f
 332 Copyright (C) 2017 Free Software Foundation, Inc.
 333
 334 Copying and distribution of this file, with or without modification,
 335 are permitted in any medium without royalty provided the copyright
 336 notice and this notice are preserved.
 337
 338 Local Variables:
 339 mode: change-log
 340 left-margin: 8
 341 fill-column: 74
 342 version-control: never
 343 End: