Overhaul relocation framework to support overflow checking.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
44803b5d
CC
12016-02-06 Cary Coutant <ccoutant@gmail.com>
2
3 PR gold/18695
4 * reloc.h (Relocate_functions::Address): New typedef.
5 (Relocate_functions::Addendtype): New typedef.
6 (Relocate_functions::Overflow_check): New enum type.
7 (Relocate_functions::Reloc_status): New enum type.
8 (Relocate_functions::check_overflow): New function template.
9 (Relocate_functions::rel): Add check parameter; check for overflow.
10 (Relocate_functions::rel_unaligned): Likewise.
11 (Relocate_functions::rela): Likewise.
12 (Relocate_functions::pcrel): Likewise.
13 (Relocate_functions::pcrel_unaligned): Likewise.
14 (Relocate_functions::pcrela): Likewise.
15 (Relocate_functions::rel8): Adjust parameter types.
16 (Relocate_functions::rela8): Likewise.
17 (Relocate_functions::pcrel8): Likewise.
18 (Relocate_functions::pcrela8): Likewise.
19 (Relocate_functions::rel16): Likewise.
20 (Relocate_functions::rela168): Likewise.
21 (Relocate_functions::pcrel16): Likewise.
22 (Relocate_functions::pcrela16): Likewise.
23 (Relocate_functions::rel32): Likewise.
24 (Relocate_functions::rel32_unaligned): Likewise.
25 (Relocate_functions::rela32): Likewise.
26 (Relocate_functions::pcrel32): Likewise.
27 (Relocate_functions::pcrel32_unaligned): Likewise.
28 (Relocate_functions::pcrela32): Likewise.
29 (Relocate_functions::rel8_check): New function.
30 (Relocate_functions::rela8_check): New function.
31 (Relocate_functions::pcrel8_check): New function.
32 (Relocate_functions::pcrela8_check): New function.
33 (Relocate_functions::rel16_check): New function.
34 (Relocate_functions::rela168_check): New function.
35 (Relocate_functions::pcrel16_check): New function.
36 (Relocate_functions::pcrela16_check): New function.
37 (Relocate_functions::rel32_check): New function.
38 (Relocate_functions::rel32_unaligned_check): New function.
39 (Relocate_functions::rela32_check): New function.
40 (Relocate_functions::pcrel32_check): New function.
41 (Relocate_functions::pcrel32_unaligned_check): New function.
42 (Relocate_functions::pcrela32_check): New function.
43 (Bits::has_unsigned_overflow32): New function.
44 (Bits::has_unsigned_overflow): New function.
45 * testsuite/Makefile.am (overflow_unittest): New test.
46 * testsuite/Makefile.in: Regenerate.
47 * testsuite/overflow_unittest.cc: New source file.
48
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492016-02-04 Alan Modra <amodra@gmail.com>
50
51 * powerpc.cc (relocate): Adjust last patch for big-endian.
52
85fabe71
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532016-02-02 Alan Modra <amodra@gmail.com>
54
55 * powerpc.cc (relocate): Further restrict ELFv2 entry optimization.
56
9a472eda
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572016-01-15 Han Shen <shenhan@google.com>
58
59 PR gold/19472 - need pc-relative stubs.
60
61 * aarch64.cc (Reloc_stub::stub_type_for_reloc): Return PC-relative
62 stub type for DSOs and pie executables.
63
41549dfb
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642016-01-12 H.J. Lu <hongjiu.lu@intel.com>
65
66 * i386.cc (Target_i386::Classify_reloc::get_r_addend): Remove
67 'typename'.
68
8a8880cb
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692016-01-12 Cary Coutant <ccoutant@gmail.com>
70
71 * arm.cc (Target_arm::Classify_reloc::get_r_addend): New method.
72 * i386.cc (Target_i386::Classify_reloc::get_r_addend): New method.
73 * mips.cc (Target_arm::Mips_classify_reloc::get_r_addend): (Both
74 specializations) New method.
75
d21f123b
CC
762016-01-11 Cary Coutant <ccoutant@gmail.com>
77
78 PR gold/19353
79 * aarch64.cc (Target_aarch64::relocate_tls): Don't insist that
80 we have a TLS segment for GD-to-IE optimization.
81 * i386.cc (Target_i386::tls_gd_to_ie): Remove tls_segment parameter.
82 Adjust all calls.
83 (Target_i386::tls_desc_gd_to_ie): Likewise.
84 (Target_i386::relocate_tls): Don't insist that we have a TLS segment
85 for TLSDESC GD-to-IE optimizations.
86 * x86_64.cc (Target_x86_64::tls_gd_to_ie): Remove tls_segment parameter.
87 Adjust all calls.
88 (Target_x86_64::tls_desc_gd_to_ie): Likewise.
89 (Target_x86_64::relocate_tls): Don't insist that we have a TLS segment
90 for TLSDESC GD-to-IE optimizations.
91
4d625b70
CC
922016-01-11 Cary Coutant <ccoutant@gmail.com>
93
94 Refactor gold to enable support for MIPS-64 relocation format.
95
96 * gc.h (get_embedded_addend_size): Remove sh_type parameter.
97 (gc_process_relocs): Remove sh_type template parameter.
98 Use Classify_reloc to access r_sym, r_type, and r_addend fields.
99 * object.h (Sized_relobj_file::split_stack_adjust): Add target
100 parameter.
101 (Sized_relobj_file::split_stack_adjust_reltype): Likewise.
102 * reloc-types.h (Reloc_types::copy_reloc_addend): (SHT_REL and SHT_RELA
103 specializations) Remove.
104 * reloc.cc (Emit_relocs_strategy): Rename and move to target-reloc.h.
105 (Sized_relobj_file::emit_relocs_scan): Call Target::emit_relocs_scan().
106 (Sized_relobj_file::emit_relocs_scan_reltype): Remove.
107 (Sized_relobj_file::split_stack_adjust): Add target parameter.
108 Adjust all callers.
109 (Sized_relobj_file::split_stack_adjust_reltype): Likewise. Call
110 Target::get_r_sym() to get r_sym field from relocations.
111 (Track_relocs::next_symndx): Call Target::get_r_sym().
112 * target-reloc.h (scan_relocs): Remove sh_type template parameter;
113 add Classify_reloc template parameter. Use for accessing r_sym and
114 r_type.
115 (relocate_section): Likewise.
116 (Default_classify_reloc): New class (renamed and moved from reloc.cc).
117 (Default_scan_relocatable_relocs): Remove sh_type template parameter.
118 (Default_scan_relocatable_relocs::Reltype): New typedef.
119 (Default_scan_relocatable_relocs::reloc_size): New const.
120 (Default_scan_relocatable_relocs::sh_type): New const.
121 (Default_scan_relocatable_relocs::get_r_sym): New method.
122 (Default_scan_relocatable_relocs::get_r_type): New method.
123 (Default_emit_relocs_strategy): New class.
124 (scan_relocatable_relocs): Replace sh_type template parameter with
125 Scan_relocatable_relocs class. Use it to access r_sym and r_type
126 fields.
127 (relocate_relocs): Replace sh_type template parameter with
128 Classify_reloc class. Use it to access r_sym and r_type fields.
129 * target.h (Target::is_call_to_non_split): Replace r_type parameter
130 with pointer to relocation. Adjust all callers.
131 (Target::do_is_call_to_non_split): Likewise.
132 (Target::emit_relocs_scan): New virtual method.
133 (Sized_target::get_r_sym): New virtual method.
134 * target.cc (Target::do_is_call_to_non_split): Replace r_type parameter
135 with pointer to relocation.
136
137 * aarch64.cc (Target_aarch64::emit_relocs_scan): New method.
138 (Target_aarch64::Relocatable_size_for_reloc): Remove.
139 (Target_aarch64::gc_process_relocs): Use Default_classify_reloc.
140 (Target_aarch64::scan_relocs): Likewise.
141 (Target_aarch64::relocate_section): Likewise.
142 (Target_aarch64::Relocatable_size_for_reloc::get_size_for_reloc):
143 Remove.
144 (Target_aarch64::scan_relocatable_relocs): Use Default_classify_reloc.
145 (Target_aarch64::relocate_relocs): Use Default_classify_reloc.
146 * arm.cc (Target_arm::Arm_scan_relocatable_relocs): Remove sh_type
147 template parameter.
148 (Target_arm::emit_relocs_scan): New method.
149 (Target_arm::Relocatable_size_for_reloc): Replace with...
150 (Target_arm::Classify_reloc): ...this.
151 (Target_arm::gc_process_relocs): Use Classify_reloc.
152 (Target_arm::scan_relocs): Likewise.
153 (Target_arm::relocate_section): Likewise.
154 (Target_arm::scan_relocatable_relocs): Likewise.
155 (Target_arm::relocate_relocs): Likewise.
156 * i386.cc (Target_i386::emit_relocs_scan): New method.
157 (Target_i386::Relocatable_size_for_reloc): Replace with...
158 (Target_i386::Classify_reloc): ...this.
159 (Target_i386::gc_process_relocs): Use Classify_reloc.
160 (Target_i386::scan_relocs): Likewise.
161 (Target_i386::relocate_section): Likewise.
162 (Target_i386::scan_relocatable_relocs): Likewise.
163 (Target_i386::relocate_relocs): Likewise.
164 * mips.cc (Mips_scan_relocatable_relocs): Remove sh_type template
165 parameter.
166 (Mips_reloc_types): New class template.
167 (Mips_classify_reloc): New class template.
168 (Target_mips::Reltype): New typedef.
169 (Target_mips::Relatype): New typedef.
170 (Target_mips::emit_relocs_scan): New method.
171 (Target_mips::get_r_sym): New method.
172 (Target_mips::Relocatable_size_for_reloc): Replace with
173 Mips_classify_reloc.
174 (Target_mips::copy_reloc): Use Mips_classify_reloc.
175 (Target_mips::gc_process_relocs): Likewise.
176 (Target_mips::scan_relocs): Likewise.
177 (Target_mips::relocate_section): Likewise.
178 (Target_mips::scan_relocatable_relocs): Likewise.
179 (Target_mips::relocate_relocs): Likewise.
180 (mips_get_size_for_reloc): New function, factored out from
181 Relocatable_size_for_reloc::get_size_for_reloc.
182 (Target_mips::Scan::local): Use Mips_classify_reloc.
183 (Target_mips::Scan::global): Likewise.
184 (Target_mips::Relocate::relocate): Likewise.
185 * powerpc.cc (Target_powerpc::emit_relocs_scan): New method.
186 (Target_powerpc::Relocatable_size_for_reloc): Remove.
187 (Target_powerpc::gc_process_relocs): Use Default_classify_reloc.
188 (Target_powerpc::scan_relocs): Likewise.
189 (Target_powerpc::relocate_section): Likewise.
190 (Powerpc_scan_relocatable_reloc): Convert to class template.
191 (Powerpc_scan_relocatable_reloc::Reltype): New typedef.
192 (Powerpc_scan_relocatable_reloc::reloc_size): New const.
193 (Powerpc_scan_relocatable_reloc::sh_type): New const.
194 (Powerpc_scan_relocatable_reloc::get_r_sym): New method.
195 (Powerpc_scan_relocatable_reloc::get_r_type): New method.
196 (Target_powerpc::scan_relocatable_relocs): Use
197 Powerpc_scan_relocatable_reloc.
198 (Target_powerpc::relocate_relocs): Use Default_classify_reloc.
199 * s390.cc (Target_s390::emit_relocs_scan): New method.
200 (Target_s390::Relocatable_size_for_reloc): Remove.
201 (Target_s390::gc_process_relocs): Use Default_classify_reloc.
202 (Target_s390::scan_relocs): Likewise.
203 (Target_s390::relocate_section): Likewise.
204 (Target_s390::Relocatable_size_for_reloc::get_size_for_reloc):
205 Remove.
206 (Target_s390::scan_relocatable_relocs): Use Default_classify_reloc.
207 (Target_s390::relocate_relocs): Use Default_classify_reloc.
208 * sparc.cc (Target_sparc::emit_relocs_scan): New method.
209 (Target_sparc::Relocatable_size_for_reloc): Remove.
210 (Target_sparc::gc_process_relocs): Use Default_classify_reloc.
211 (Target_sparc::scan_relocs): Likewise.
212 (Target_sparc::relocate_section): Likewise.
213 (Target_sparc::Relocatable_size_for_reloc::get_size_for_reloc):
214 Remove.
215 (Target_sparc::scan_relocatable_relocs): Use Default_classify_reloc.
216 (Target_sparc::relocate_relocs): Use Default_classify_reloc.
217 * tilegx.cc (Target_tilegx::emit_relocs_scan): New method.
218 (Target_tilegx::Relocatable_size_for_reloc): Remove.
219 (Target_tilegx::gc_process_relocs): Use Default_classify_reloc.
220 (Target_tilegx::scan_relocs): Likewise.
221 (Target_tilegx::relocate_section): Likewise.
222 (Target_tilegx::Relocatable_size_for_reloc::get_size_for_reloc):
223 Remove.
224 (Target_tilegx::scan_relocatable_relocs): Use Default_classify_reloc.
225 (Target_tilegx::relocate_relocs): Use Default_classify_reloc.
226 * x86_64.cc (Target_x86_64::emit_relocs_scan): New method.
227 (Target_x86_64::Relocatable_size_for_reloc): Remove.
228 (Target_x86_64::gc_process_relocs): Use Default_classify_reloc.
229 (Target_x86_64::scan_relocs): Likewise.
230 (Target_x86_64::relocate_section): Likewise.
231 (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
232 Remove.
233 (Target_x86_64::scan_relocatable_relocs): Use Default_classify_reloc.
234 (Target_x86_64::relocate_relocs): Use Default_classify_reloc.
235
236 * testsuite/testfile.cc (Target_test::emit_relocs_scan): New method.
237
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2382016-01-01 Alan Modra <amodra@gmail.com>
239
240 Update year range in copyright notice of all files.
241
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242For older changes see ChangeLog-0815
243\f
244Copyright (C) 2016 Free Software Foundation, Inc.
245
246Copying and distribution of this file, with or without modification,
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248notice and this notice are preserved.
249
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