gold/ChangeLog

   1 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
   2             Andrew Senkevich  <andrew.senkevich@intel.com>
   3
   4         PR gold/18695
   5         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
   6         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
   7         R_X86_64_PLT32.
   8         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
   9         * testsuite/x86_64_overflow_pc32.sh: New test script.
  10         * testsuite/x86_64_overflow_pc32.s: New source file.
  11
  12 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
  13
  14         PR gold/18695
  15         * reloc.h (Relocate_functions::Address): New typedef.
  16         (Relocate_functions::Addendtype): New typedef.
  17         (Relocate_functions::Overflow_check): New enum type.
  18         (Relocate_functions::Reloc_status): New enum type.
  19         (Relocate_functions::check_overflow): New function template.
  20         (Relocate_functions::rel): Add check parameter; check for overflow.
  21         (Relocate_functions::rel_unaligned): Likewise.
  22         (Relocate_functions::rela): Likewise.
  23         (Relocate_functions::pcrel): Likewise.
  24         (Relocate_functions::pcrel_unaligned): Likewise.
  25         (Relocate_functions::pcrela): Likewise.
  26         (Relocate_functions::rel8): Adjust parameter types.
  27         (Relocate_functions::rela8): Likewise.
  28         (Relocate_functions::pcrel8): Likewise.
  29         (Relocate_functions::pcrela8): Likewise.
  30         (Relocate_functions::rel16): Likewise.
  31         (Relocate_functions::rela168): Likewise.
  32         (Relocate_functions::pcrel16): Likewise.
  33         (Relocate_functions::pcrela16): Likewise.
  34         (Relocate_functions::rel32): Likewise.
  35         (Relocate_functions::rel32_unaligned): Likewise.
  36         (Relocate_functions::rela32): Likewise.
  37         (Relocate_functions::pcrel32): Likewise.
  38         (Relocate_functions::pcrel32_unaligned): Likewise.
  39         (Relocate_functions::pcrela32): Likewise.
  40         (Relocate_functions::rel8_check): New function.
  41         (Relocate_functions::rela8_check): New function.
  42         (Relocate_functions::pcrel8_check): New function.
  43         (Relocate_functions::pcrela8_check): New function.
  44         (Relocate_functions::rel16_check): New function.
  45         (Relocate_functions::rela168_check): New function.
  46         (Relocate_functions::pcrel16_check): New function.
  47         (Relocate_functions::pcrela16_check): New function.
  48         (Relocate_functions::rel32_check): New function.
  49         (Relocate_functions::rel32_unaligned_check): New function.
  50         (Relocate_functions::rela32_check): New function.
  51         (Relocate_functions::pcrel32_check): New function.
  52         (Relocate_functions::pcrel32_unaligned_check): New function.
  53         (Relocate_functions::pcrela32_check): New function.
  54         (Bits::has_unsigned_overflow32): New function.
  55         (Bits::has_unsigned_overflow): New function.
  56         * testsuite/Makefile.am (overflow_unittest): New test.
  57         * testsuite/Makefile.in: Regenerate.
  58         * testsuite/overflow_unittest.cc: New source file.
  59
  60 2016-02-04  Alan Modra  <amodra@gmail.com>
  61
  62         * powerpc.cc (relocate): Adjust last patch for big-endian.
  63
  64 2016-02-02  Alan Modra  <amodra@gmail.com>
  65
  66         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
  67
  68 2016-01-15 Han Shen  <shenhan@google.com>
  69
  70         PR gold/19472 - need pc-relative stubs.
  71
  72         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
  73         stub type for DSOs and pie executables.
  74
  75 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
  76
  77         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
  78         'typename'.
  79
  80 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
  81
  82         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
  83         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
  84         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
  85         specializations) New method.
  86
  87 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
  88
  89         PR gold/19353
  90         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
  91         we have a TLS segment for GD-to-IE optimization.
  92         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
  93         Adjust all calls.
  94         (Target_i386::tls_desc_gd_to_ie): Likewise.
  95         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
  96         for TLSDESC GD-to-IE optimizations.
  97         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
  98         Adjust all calls.
  99         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
 100         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
 101         for TLSDESC GD-to-IE optimizations.
 102
 103 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 104
 105         Refactor gold to enable support for MIPS-64 relocation format.
 106
 107         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
 108         (gc_process_relocs): Remove sh_type template parameter.
 109         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
 110         * object.h (Sized_relobj_file::split_stack_adjust): Add target
 111         parameter.
 112         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
 113         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
 114         specializations) Remove.
 115         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
 116         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
 117         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
 118         (Sized_relobj_file::split_stack_adjust): Add target parameter.
 119         Adjust all callers.
 120         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
 121         Target::get_r_sym() to get r_sym field from relocations.
 122         (Track_relocs::next_symndx): Call Target::get_r_sym().
 123         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
 124         add Classify_reloc template parameter.  Use for accessing r_sym and
 125         r_type.
 126         (relocate_section): Likewise.
 127         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
 128         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
 129         (Default_scan_relocatable_relocs::Reltype): New typedef.
 130         (Default_scan_relocatable_relocs::reloc_size): New const.
 131         (Default_scan_relocatable_relocs::sh_type): New const.
 132         (Default_scan_relocatable_relocs::get_r_sym): New method.
 133         (Default_scan_relocatable_relocs::get_r_type): New method.
 134         (Default_emit_relocs_strategy): New class.
 135         (scan_relocatable_relocs): Replace sh_type template parameter with
 136         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
 137         fields.
 138         (relocate_relocs): Replace sh_type template parameter with
 139         Classify_reloc class.  Use it to access r_sym and r_type fields.
 140         * target.h (Target::is_call_to_non_split): Replace r_type parameter
 141         with pointer to relocation. Adjust all callers.
 142         (Target::do_is_call_to_non_split): Likewise.
 143         (Target::emit_relocs_scan): New virtual method.
 144         (Sized_target::get_r_sym): New virtual method.
 145         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
 146         with pointer to relocation.
 147
 148         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
 149         (Target_aarch64::Relocatable_size_for_reloc): Remove.
 150         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
 151         (Target_aarch64::scan_relocs): Likewise.
 152         (Target_aarch64::relocate_section): Likewise.
 153         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
 154         Remove.
 155         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
 156         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
 157         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
 158         template parameter.
 159         (Target_arm::emit_relocs_scan): New method.
 160         (Target_arm::Relocatable_size_for_reloc): Replace with...
 161         (Target_arm::Classify_reloc): ...this.
 162         (Target_arm::gc_process_relocs): Use Classify_reloc.
 163         (Target_arm::scan_relocs): Likewise.
 164         (Target_arm::relocate_section): Likewise.
 165         (Target_arm::scan_relocatable_relocs): Likewise.
 166         (Target_arm::relocate_relocs): Likewise.
 167         * i386.cc (Target_i386::emit_relocs_scan): New method.
 168         (Target_i386::Relocatable_size_for_reloc): Replace with...
 169         (Target_i386::Classify_reloc): ...this.
 170         (Target_i386::gc_process_relocs): Use Classify_reloc.
 171         (Target_i386::scan_relocs): Likewise.
 172         (Target_i386::relocate_section): Likewise.
 173         (Target_i386::scan_relocatable_relocs): Likewise.
 174         (Target_i386::relocate_relocs): Likewise.
 175         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
 176         parameter.
 177         (Mips_reloc_types): New class template.
 178         (Mips_classify_reloc): New class template.
 179         (Target_mips::Reltype): New typedef.
 180         (Target_mips::Relatype): New typedef.
 181         (Target_mips::emit_relocs_scan): New method.
 182         (Target_mips::get_r_sym): New method.
 183         (Target_mips::Relocatable_size_for_reloc): Replace with
 184         Mips_classify_reloc.
 185         (Target_mips::copy_reloc): Use Mips_classify_reloc.
 186         (Target_mips::gc_process_relocs): Likewise.
 187         (Target_mips::scan_relocs): Likewise.
 188         (Target_mips::relocate_section): Likewise.
 189         (Target_mips::scan_relocatable_relocs): Likewise.
 190         (Target_mips::relocate_relocs): Likewise.
 191         (mips_get_size_for_reloc): New function, factored out from
 192         Relocatable_size_for_reloc::get_size_for_reloc.
 193         (Target_mips::Scan::local): Use Mips_classify_reloc.
 194         (Target_mips::Scan::global): Likewise.
 195         (Target_mips::Relocate::relocate): Likewise.
 196         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
 197         (Target_powerpc::Relocatable_size_for_reloc): Remove.
 198         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
 199         (Target_powerpc::scan_relocs): Likewise.
 200         (Target_powerpc::relocate_section): Likewise.
 201         (Powerpc_scan_relocatable_reloc): Convert to class template.
 202         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
 203         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
 204         (Powerpc_scan_relocatable_reloc::sh_type): New const.
 205         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
 206         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
 207         (Target_powerpc::scan_relocatable_relocs): Use
 208         Powerpc_scan_relocatable_reloc.
 209         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
 210         * s390.cc (Target_s390::emit_relocs_scan): New method.
 211         (Target_s390::Relocatable_size_for_reloc): Remove.
 212         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
 213         (Target_s390::scan_relocs): Likewise.
 214         (Target_s390::relocate_section): Likewise.
 215         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
 216         Remove.
 217         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
 218         (Target_s390::relocate_relocs): Use Default_classify_reloc.
 219         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
 220         (Target_sparc::Relocatable_size_for_reloc): Remove.
 221         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
 222         (Target_sparc::scan_relocs): Likewise.
 223         (Target_sparc::relocate_section): Likewise.
 224         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
 225         Remove.
 226         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
 227         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
 228         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
 229         (Target_tilegx::Relocatable_size_for_reloc): Remove.
 230         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
 231         (Target_tilegx::scan_relocs): Likewise.
 232         (Target_tilegx::relocate_section): Likewise.
 233         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
 234         Remove.
 235         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
 236         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
 237         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
 238         (Target_x86_64::Relocatable_size_for_reloc): Remove.
 239         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
 240         (Target_x86_64::scan_relocs): Likewise.
 241         (Target_x86_64::relocate_section): Likewise.
 242         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
 243         Remove.
 244         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
 245         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
 246
 247         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
 248
 249 2016-01-01  Alan Modra  <amodra@gmail.com>
 250
 251         Update year range in copyright notice of all files.
 252
 253 For older changes see ChangeLog-0815
 254 \f
 255 Copyright (C) 2016 Free Software Foundation, Inc.
 256
 257 Copying and distribution of this file, with or without modification,
 258 are permitted in any medium without royalty provided the copyright
 259 notice and this notice are preserved.
 260
 261 Local Variables:
 262 mode: change-log
 263 left-margin: 8
 264 fill-column: 74
 265 version-control: never
 266 End: