[GOLD] Avoid duplicate PLT stub symbols on ppc32
[deliverable/binutils-gdb.git] / gold / ChangeLog
1 2017-06-20 James Clarke <jrtc27@jrtc27.com>
2
3 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
4 uniq_ value.
5
6 2017-06-15 Eric Christopher <echristo@gmail.com>
7
8 * aarch64.cc: Fix a few typos and grammar-os.
9
10 2017-06-15 Jiong Wang <jiong.wang@arm.com>
11
12 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
13 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
14 Return ture for some TLS relaxed sequences.
15
16 2017-06-07 Eric Christopher <echristo@gmail.com>
17
18 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
19 up stubs to undefined symbols and early return rather than
20 fail to look them up.
21 (scan_reloc_for_stub): Add debug logging for no stub creation
22 for undefined symbols.
23
24 2017-05-23 Alan Modra <amodra@gmail.com>
25
26 PR 21503
27 * options.h: Add --emit-stub-syms option.
28 * powerpc.cc (object_id): New.
29 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
30 better packing.
31 (Powerpc_dynobj): Sort variables for better packing.
32 (Target_powerpc::define_local): New function.
33 (Target_powerpc::group_sections): Pass stub table size to
34 Stub_table constructor.
35 (Target_powerpc::do_relax): Define stub and glink symbols.
36 (Stub_table): Add uniq_ variable, and id param to constructor.
37 (Stub_table::Plt_stub_ent): Add indx_ variable.
38 (Stub_table::Branch_stub_entries): Move typedef earlier.
39 (Stub_table::branch_stub_size): Replace "to" parameter with a
40 Branch_stub_entries iterator.
41 (Stub_table::add_long_branch_entry): Adjust to suit.
42 (Stub_table::add_plt_call_entry): Set indx_.
43 (Stub_table::define_stub_syms): New function.
44
45 2017-05-15 Eric Christopher <echristo@gmail.com>
46
47 * layout.cc (Layout::segment_precedes): Add a case for testing
48 pointer equality when determining which segment precedes
49 another.
50
51 2017-05-13 James Clarke <jrtc27@jrtc27.com>
52
53 PR gold/21444
54 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
55 variables are final for position-independent executables. This
56 has to be consistent with Target_sparc::Scan::local otherwise
57 they will disagree as to whether local-exec is used.
58
59 2017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
60
61 PR gold/21430
62 * aarch64.cc
63 (AArch64_relobj::convert_input_section_to_relaxed_section):
64 Set the section offset to -1ULL.
65 (Target_aarch64::relocate_section): Adjust the view in case
66 of a relaxed input section.
67 * testsuite/Makefile.am (pr21430): New test.
68 * testsuite/Makefile.in: Regenerate
69 * testsuite/pr21430.s: New test source file.
70 * testsuite/pr21430.sh: New test script.
71
72 2017-04-27 Alan Modra <amodra@gmail.com>
73
74 * testsuite/plugin_section_order.c (onload): Add missing break.
75
76 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
77
78 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
79 possibility of collisions.
80 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
81 entries.
82
83 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
84
85 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
86 member.
87 (Mips_relobj::merge_processor_specific_data): New method.
88 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
89 to false, only if the input file is a binary or if object has no
90 contents except the section name string table and an empty symbol
91 table with the undefined symbol.
92 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
93 for merging processor-specific data.
94
95 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
96
97 * mips.cc (Target_mips::Relocate::calculated_value_): New data
98 member.
99 (Target_mips::Relocate::calculate_only_): Likewise.
100 (Target_mips::Relocate::relocate): Handle multiple consecutive
101 relocations with the same offset.
102
103 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
104
105 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
106 checks for relocatable link.
107 (Mips_relocate_functions::reljalr): Likewise.
108
109 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
110
111 * mips.cc (class Mips_output_section_options): New class.
112 (Target_mips::do_make_output_section): New method.
113
114 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
115
116 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
117 overflow error message.
118 (Target_mips::relocate_special_relocatable): Improve relocation
119 overflow error message.
120 (Target_mips::Relocate::relocate): Likewise.
121
122 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
123
124 * mips.cc (symbol_refs_local): Return false if a symbol
125 is from a dynamic object.
126 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
127 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
128 STB_LOCAL.
129 (Target_mips::do_finalize_sections): Set _gp after all the checks
130 for creating .got are done.
131 (Target_mips::Scan::global): Remove unused code.
132
133 2017-02-22 Alan Modra <amodra@gmail.com>
134
135 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
136 output_section exists before attempting add_output_section_data.
137 (Target_powerpc::make_brlt_section): Likewise.
138
139 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
140
141 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
142 gold_unreachable from default case.
143
144 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
145
146 PR gold/21111
147 * mips.cc (Mips_relocate_functions::relhigher): New method.
148 (Mips_relocate_functions::relhighest): Likewise.
149 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
150 R_MIPS_HIGHEST.
151 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
152 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
153 (Target_mips::Scan::global): Likewise.
154 (Target_mips::Scan::get_reference_flags): Likewise.
155 (Target_mips::Relocate::relocate): Call static methods for resolving
156 HIGHER and HIGHEST relocations.
157
158 2017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
159
160 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
161 Return true even when building pie binaries.
162 (Target_x86_64::possible_function_pointer_reloc): Check opcode
163 for R_X86_64_PC32 relocations.
164 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
165 extra arguments to local_reloc_may_be_function_pointer.
166 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
167 * gc.h (gc_process_relocs): Add check for STT_FUNC.
168 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
169 * testsuite/Makefile.in: Regenerate.
170 * testsuite/icf_safe_pie_test.sh: New shell script.
171
172 2017-02-03 Alan Modra <amodra@gmail.com>
173
174 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
175 when no .toc section exists.
176
177 2017-01-31 Cary Coutant <ccoutant@gmail.com>
178
179 PR gold/21090
180 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
181 for predefined symbol.
182 (Target_x86_64::Relocate::relocate): Fix formatting.
183
184 2017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
185
186 * testsuite/icf_safe_so_test.sh: Use "set -e".
187 * testsuite/icf_safe_test.sh: Likewise.
188 * testsuite/icf_test.sh: Likewise.
189
190 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
191
192 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
193 type.
194 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
195 point to .plt.
196
197 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
198
199 PR gold/21054
200 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
201 to the dynamic symbol table if it is forced to local visibility.
202 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
203 dynamic symbol table if it is forced to local visibility.
204
205 2017-01-20 Nick Clifton <nickc@redhat.com>
206
207 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
208 from a pointer to an array.
209
210 2017-01-13 H.J. Lu <hongjiu.lu@intel.com>
211
212 PR gold/21040
213 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
214 Cast 0x80008000 to uint64_t.
215
216 2017-01-12 Cary Coutant <ccoutant@gmail.com>
217
218 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
219
220 2017-01-11 Cary Coutant <ccoutant@gmail.com>
221
222 PR gold/21040
223 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
224 Remove unnecessary 'typename' keyword.
225 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
226 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
227 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
228 (Output_data_plt_x86_64_bnd::do_write): Likewise.
229
230 2017-01-11 Cary Coutant <ccoutant@gmail.com>
231
232 PR gold/21040
233 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
234 Remove unnecessary 'typename' keyword.
235 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
236 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
237 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
238 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
239 declarations.
240
241 2017-01-11 Cary Coutant <ccoutant@gmail.com>
242
243 PR gold/21039
244 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
245 * testsuite/script_test_15a.sh: Likewise.
246 * testsuite/script_test_15b.sh: Likewise.
247 * testsuite/script_test_15c.sh: Likewise.
248
249 2017-01-11 Alan Modra <amodra@gmail.com>
250
251 * powerpc.cc (class Powerpc_copy_relocs): New.
252 (Powerpc_copy_relocs::emit): New function.
253 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
254 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
255 (Powerpc_relobj::do_relocate_sections): New function.
256 (Powerpc_relobj::make_toc_relative): Likewise.
257 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
258 and .toc too.
259 (ok_lo_toc_insn): Move earlier, and handle more insns.
260 (Target_powerpc::Scan::local): If optimizing toc accesses, set
261 no_toc_opt for entries we can't edit. Check insn validity.
262 Emit "toc optimization is not supported" warning, downgraded
263 from error.
264 (Target_powerpc::Scan::global): Likewise.
265 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
266 to TOC relative. Don't emit "toc optimization is not supported"
267 error here.
268
269 2017-01-10 Cary Coutant <ccoutant@gmail.com>
270
271 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
272 Sized_relobj_file::relocate_section_range().
273 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
274 * object.h (Sized_relobj_file::relocate_section_range): New method.
275 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
276 implementation...
277 (Sized_relobj_file::relocate_section_range): ...to new method.
278
279 2017-01-10 Alan Modra <amodra@gmail.com>
280
281 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
282 _GLOBAL_OFFSET_TABLE_. Allow zero count.
283 * testsuite/copy_test_relro_1.cc (c, q): New vars.
284 * testsuite/copy_test_relro.cc: Rewrite to test read-only
285 status of variables directly. Reference new vars in
286 read-only data.
287
288 2017-01-10 Alan Modra <amodra@gmail.com>
289
290 * options.h: Add --secure-plt option.
291 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
292 on -fPIC -mbss-plt code.
293 (Target_powerpc::Scan::global): Likewise.
294
295 2017-01-09 Alan Modra <amodra@gmail.com>
296
297 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
298 ".rela.plt" at ".plt".
299
300 2017-01-07 Alan Modra <amodra@gmail.com>
301
302 * powerpc.cc: Use shorter equivalent elfcpp typedef for
303 Reltype and reloc_size throughout.
304 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
305 (Target_powerpc::Scan::local): Use local var r_sym.
306 (Target_powerpc::Scan::global: Likewise.
307 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
308
309 2017-01-02 Alan Modra <amodra@gmail.com>
310
311 Update year range in copyright notice of all files.
312
313 For older changes see ChangeLog-2016
314 \f
315 Copyright (C) 2017 Free Software Foundation, Inc.
316
317 Copying and distribution of this file, with or without modification,
318 are permitted in any medium without royalty provided the copyright
319 notice and this notice are preserved.
320
321 Local Variables:
322 mode: change-log
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325 version-control: never
326 End:
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