gold/ChangeLog

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