gold/ChangeLog

   1 2016-02-07  Cary Coutant  <ccoutant@gmail.com>
   2
   3         PR gold/18695
   4         * x86_64.cc (Target_x86_64::Relocate::relocate): Add additional
   5         information to relocation overflow errors.
   6
   7 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
   8
   9         PR gold/18695
  10         * x86_64.cc (X86_64_relocate_functions::pcrela32_check): Fix x32
  11         overflow checking when symbol value + addend < 0.
  12
  13 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  14
  15         PR gold/19577
  16         * reloc.h (Limits): New class.
  17         (Bits::has_overflow32): Use min/max values from Limits.
  18         (Bits::has_unsigned_overflow32): Likewise.
  19         (Bits::has_signed_unsigned_overflow32): Likewise.
  20         (Bits::has_overflow): Likewise.
  21         (Bits::has_unsigned_overflow): Likewise.
  22         (Bits::has_signed_unsigned_overflow64): Likewise.
  23
  24 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  25
  26         PR gold/19567
  27         * reloc.h (Relocate_functions::Overflow_check): Add comments.
  28         * x86_64.cc (X86_64_relocate_functions): New class.
  29         (Target_x86_64::Relocate::relocate): Use the new class.
  30         * testsuite/Makefile.am (x86_64_overflow_pc32): Add -Tdata option.
  31         (x32_overflow_pc32): New test case.
  32         * testsuite/Makefile.in: Regenerate.
  33         * testsuite/x32_overflow_pc32.sh: New script.
  34         * testsuite/x86_64_overflow_pc32.s: Remove .space directive.
  35
  36 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  37
  38         PR gold/19577
  39         * reloc.h (Bits::has_unsigned_overflow32): Fix static_cast.
  40         (Bits::has_unsigned_overflow): Remove unnecessary static_cast.
  41
  42 2016-02-06  Cary Coutant  <ccoutant@gmail.com>
  43
  44         PR gold/19577
  45         * reloc.h (Bits::has_unsigned_overflow32): Fix unsigned/signed
  46         comparison.
  47         (Bits::has_unsigned_overflow): Likewise.
  48
  49 2016-02-06  Marcin Kościelnicki  <koriakin@0x04.net>
  50
  51         * i386.cc (Target_i386::is_call_to_non_split): Add view and view_size
  52         parameters.
  53         * reloc.cc (Sized_relobj_file::split_stack_adjust_reltype): Pass view
  54         and view_size to is_call_to_non_split.
  55         * target.cc (Target::is_call_to_non_split): Add view and view_size
  56         parameters.
  57         * target.h (class Target): Likewise.
  58
  59 2016-02-05  Sriraman Tallam  <tmsriram@google.com>
  60
  61         * icf.cc (get_rel_addend): New function.
  62         (get_section_contents):  Move merge section addend computation to a
  63         new function.  Ignore negative values for SHT_REL and SHT_RELA addends.
  64         Fix bug to not read past the length of the section.
  65
  66 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
  67             Andrew Senkevich  <andrew.senkevich@intel.com>
  68
  69         PR gold/18695
  70         * x86_64.cc (Target_x86_64::Relocate::relocate): Add overflow
  71         checking for R_X86_64_32, R_X86_64_32S, R_X86_64_PC32, and
  72         R_X86_64_PLT32.
  73         * testsuite/Makefile.am (x86_64_overflow_pc32): New test.
  74         * testsuite/x86_64_overflow_pc32.sh: New test script.
  75         * testsuite/x86_64_overflow_pc32.s: New source file.
  76
  77 2016-02-05  Cary Coutant  <ccoutant@gmail.com>
  78
  79         PR gold/18695
  80         * reloc.h (Relocate_functions::Address): New typedef.
  81         (Relocate_functions::Addendtype): New typedef.
  82         (Relocate_functions::Overflow_check): New enum type.
  83         (Relocate_functions::Reloc_status): New enum type.
  84         (Relocate_functions::check_overflow): New function template.
  85         (Relocate_functions::rel): Add check parameter; check for overflow.
  86         (Relocate_functions::rel_unaligned): Likewise.
  87         (Relocate_functions::rela): Likewise.
  88         (Relocate_functions::pcrel): Likewise.
  89         (Relocate_functions::pcrel_unaligned): Likewise.
  90         (Relocate_functions::pcrela): Likewise.
  91         (Relocate_functions::rel8): Adjust parameter types.
  92         (Relocate_functions::rela8): Likewise.
  93         (Relocate_functions::pcrel8): Likewise.
  94         (Relocate_functions::pcrela8): Likewise.
  95         (Relocate_functions::rel16): Likewise.
  96         (Relocate_functions::rela168): Likewise.
  97         (Relocate_functions::pcrel16): Likewise.
  98         (Relocate_functions::pcrela16): Likewise.
  99         (Relocate_functions::rel32): Likewise.
 100         (Relocate_functions::rel32_unaligned): Likewise.
 101         (Relocate_functions::rela32): Likewise.
 102         (Relocate_functions::pcrel32): Likewise.
 103         (Relocate_functions::pcrel32_unaligned): Likewise.
 104         (Relocate_functions::pcrela32): Likewise.
 105         (Relocate_functions::rel8_check): New function.
 106         (Relocate_functions::rela8_check): New function.
 107         (Relocate_functions::pcrel8_check): New function.
 108         (Relocate_functions::pcrela8_check): New function.
 109         (Relocate_functions::rel16_check): New function.
 110         (Relocate_functions::rela168_check): New function.
 111         (Relocate_functions::pcrel16_check): New function.
 112         (Relocate_functions::pcrela16_check): New function.
 113         (Relocate_functions::rel32_check): New function.
 114         (Relocate_functions::rel32_unaligned_check): New function.
 115         (Relocate_functions::rela32_check): New function.
 116         (Relocate_functions::pcrel32_check): New function.
 117         (Relocate_functions::pcrel32_unaligned_check): New function.
 118         (Relocate_functions::pcrela32_check): New function.
 119         (Bits::has_unsigned_overflow32): New function.
 120         (Bits::has_unsigned_overflow): New function.
 121         * testsuite/Makefile.am (overflow_unittest): New test.
 122         * testsuite/Makefile.in: Regenerate.
 123         * testsuite/overflow_unittest.cc: New source file.
 124
 125 2016-02-04  Alan Modra  <amodra@gmail.com>
 126
 127         * powerpc.cc (relocate): Adjust last patch for big-endian.
 128
 129 2016-02-02  Alan Modra  <amodra@gmail.com>
 130
 131         * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
 132
 133 2016-01-15 Han Shen  <shenhan@google.com>
 134
 135         PR gold/19472 - need pc-relative stubs.
 136
 137         * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
 138         stub type for DSOs and pie executables.
 139
 140 2016-01-12  H.J. Lu  <hongjiu.lu@intel.com>
 141
 142         * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
 143         'typename'.
 144
 145 2016-01-12  Cary Coutant  <ccoutant@gmail.com>
 146
 147         * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
 148         * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
 149         * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
 150         specializations) New method.
 151
 152 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 153
 154         PR gold/19353
 155         * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
 156         we have a TLS segment for GD-to-IE optimization.
 157         * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
 158         Adjust all calls.
 159         (Target_i386::tls_desc_gd_to_ie): Likewise.
 160         (Target_i386::relocate_tls): Don't insist that we have a TLS segment
 161         for TLSDESC GD-to-IE optimizations.
 162         * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
 163         Adjust all calls.
 164         (Target_x86_64::tls_desc_gd_to_ie): Likewise.
 165         (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
 166         for TLSDESC GD-to-IE optimizations.
 167
 168 2016-01-11  Cary Coutant  <ccoutant@gmail.com>
 169
 170         Refactor gold to enable support for MIPS-64 relocation format.
 171
 172         * gc.h (get_embedded_addend_size): Remove sh_type parameter.
 173         (gc_process_relocs): Remove sh_type template parameter.
 174         Use Classify_reloc to access r_sym, r_type, and r_addend fields.
 175         * object.h (Sized_relobj_file::split_stack_adjust): Add target
 176         parameter.
 177         (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
 178         * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
 179         specializations) Remove.
 180         * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
 181         (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
 182         (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
 183         (Sized_relobj_file::split_stack_adjust): Add target parameter.
 184         Adjust all callers.
 185         (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
 186         Target::get_r_sym() to get r_sym field from relocations.
 187         (Track_relocs::next_symndx): Call Target::get_r_sym().
 188         * target-reloc.h (scan_relocs): Remove sh_type template parameter;
 189         add Classify_reloc template parameter.  Use for accessing r_sym and
 190         r_type.
 191         (relocate_section): Likewise.
 192         (Default_classify_reloc): New class (renamed and moved from reloc.cc).
 193         (Default_scan_relocatable_relocs): Remove sh_type template parameter.
 194         (Default_scan_relocatable_relocs::Reltype): New typedef.
 195         (Default_scan_relocatable_relocs::reloc_size): New const.
 196         (Default_scan_relocatable_relocs::sh_type): New const.
 197         (Default_scan_relocatable_relocs::get_r_sym): New method.
 198         (Default_scan_relocatable_relocs::get_r_type): New method.
 199         (Default_emit_relocs_strategy): New class.
 200         (scan_relocatable_relocs): Replace sh_type template parameter with
 201         Scan_relocatable_relocs class.  Use it to access r_sym and r_type
 202         fields.
 203         (relocate_relocs): Replace sh_type template parameter with
 204         Classify_reloc class.  Use it to access r_sym and r_type fields.
 205         * target.h (Target::is_call_to_non_split): Replace r_type parameter
 206         with pointer to relocation. Adjust all callers.
 207         (Target::do_is_call_to_non_split): Likewise.
 208         (Target::emit_relocs_scan): New virtual method.
 209         (Sized_target::get_r_sym): New virtual method.
 210         * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
 211         with pointer to relocation.
 212
 213         * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
 214         (Target_aarch64::Relocatable_size_for_reloc): Remove.
 215         (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
 216         (Target_aarch64::scan_relocs): Likewise.
 217         (Target_aarch64::relocate_section): Likewise.
 218         (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
 219         Remove.
 220         (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
 221         (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
 222         * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
 223         template parameter.
 224         (Target_arm::emit_relocs_scan): New method.
 225         (Target_arm::Relocatable_size_for_reloc): Replace with...
 226         (Target_arm::Classify_reloc): ...this.
 227         (Target_arm::gc_process_relocs): Use Classify_reloc.
 228         (Target_arm::scan_relocs): Likewise.
 229         (Target_arm::relocate_section): Likewise.
 230         (Target_arm::scan_relocatable_relocs): Likewise.
 231         (Target_arm::relocate_relocs): Likewise.
 232         * i386.cc (Target_i386::emit_relocs_scan): New method.
 233         (Target_i386::Relocatable_size_for_reloc): Replace with...
 234         (Target_i386::Classify_reloc): ...this.
 235         (Target_i386::gc_process_relocs): Use Classify_reloc.
 236         (Target_i386::scan_relocs): Likewise.
 237         (Target_i386::relocate_section): Likewise.
 238         (Target_i386::scan_relocatable_relocs): Likewise.
 239         (Target_i386::relocate_relocs): Likewise.
 240         * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
 241         parameter.
 242         (Mips_reloc_types): New class template.
 243         (Mips_classify_reloc): New class template.
 244         (Target_mips::Reltype): New typedef.
 245         (Target_mips::Relatype): New typedef.
 246         (Target_mips::emit_relocs_scan): New method.
 247         (Target_mips::get_r_sym): New method.
 248         (Target_mips::Relocatable_size_for_reloc): Replace with
 249         Mips_classify_reloc.
 250         (Target_mips::copy_reloc): Use Mips_classify_reloc.
 251         (Target_mips::gc_process_relocs): Likewise.
 252         (Target_mips::scan_relocs): Likewise.
 253         (Target_mips::relocate_section): Likewise.
 254         (Target_mips::scan_relocatable_relocs): Likewise.
 255         (Target_mips::relocate_relocs): Likewise.
 256         (mips_get_size_for_reloc): New function, factored out from
 257         Relocatable_size_for_reloc::get_size_for_reloc.
 258         (Target_mips::Scan::local): Use Mips_classify_reloc.
 259         (Target_mips::Scan::global): Likewise.
 260         (Target_mips::Relocate::relocate): Likewise.
 261         * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
 262         (Target_powerpc::Relocatable_size_for_reloc): Remove.
 263         (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
 264         (Target_powerpc::scan_relocs): Likewise.
 265         (Target_powerpc::relocate_section): Likewise.
 266         (Powerpc_scan_relocatable_reloc): Convert to class template.
 267         (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
 268         (Powerpc_scan_relocatable_reloc::reloc_size): New const.
 269         (Powerpc_scan_relocatable_reloc::sh_type): New const.
 270         (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
 271         (Powerpc_scan_relocatable_reloc::get_r_type): New method.
 272         (Target_powerpc::scan_relocatable_relocs): Use
 273         Powerpc_scan_relocatable_reloc.
 274         (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
 275         * s390.cc (Target_s390::emit_relocs_scan): New method.
 276         (Target_s390::Relocatable_size_for_reloc): Remove.
 277         (Target_s390::gc_process_relocs): Use Default_classify_reloc.
 278         (Target_s390::scan_relocs): Likewise.
 279         (Target_s390::relocate_section): Likewise.
 280         (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
 281         Remove.
 282         (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
 283         (Target_s390::relocate_relocs): Use Default_classify_reloc.
 284         * sparc.cc (Target_sparc::emit_relocs_scan): New method.
 285         (Target_sparc::Relocatable_size_for_reloc): Remove.
 286         (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
 287         (Target_sparc::scan_relocs): Likewise.
 288         (Target_sparc::relocate_section): Likewise.
 289         (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
 290         Remove.
 291         (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
 292         (Target_sparc::relocate_relocs): Use Default_classify_reloc.
 293         * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
 294         (Target_tilegx::Relocatable_size_for_reloc): Remove.
 295         (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
 296         (Target_tilegx::scan_relocs): Likewise.
 297         (Target_tilegx::relocate_section): Likewise.
 298         (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
 299         Remove.
 300         (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
 301         (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
 302         * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
 303         (Target_x86_64::Relocatable_size_for_reloc): Remove.
 304         (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
 305         (Target_x86_64::scan_relocs): Likewise.
 306         (Target_x86_64::relocate_section): Likewise.
 307         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
 308         Remove.
 309         (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
 310         (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
 311
 312         * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
 313
 314 2016-01-01  Alan Modra  <amodra@gmail.com>
 315
 316         Update year range in copyright notice of all files.
 317
 318 For older changes see ChangeLog-0815
 319 \f
 320 Copyright (C) 2016 Free Software Foundation, Inc.
 321
 322 Copying and distribution of this file, with or without modification,
 323 are permitted in any medium without royalty provided the copyright
 324 notice and this notice are preserved.
 325
 326 Local Variables:
 327 mode: change-log
 328 left-margin: 8
 329 fill-column: 74
 330 version-control: never
 331 End: