PR 21847, PowerPC64 --plt-localentry again
[deliverable/binutils-gdb.git] / gold / ChangeLog
1 2017-07-31 Alan Modra <amodra@gmail.com>
2
3 * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
4 without ld.so checks.
5
6 2017-07-29 Alan Modra <amodra@gmail.com>
7
8 PR 21847
9 * powerpc.cc (Target_powerpc::scan_relocs): Default to
10 --no-plt-localentry.
11
12 2017-07-28 H.J. Lu <hongjiu.lu@intel.com>
13
14 PR gold/21857
15 * compressed_output.cc (Output_compressed_section::set_final_data_size):
16 Call put_ch_reserved to clear the reserved field for 64-bit ELF.
17
18 2017-07-26 H.J. Lu <hongjiu.lu@intel.com>
19
20 * mips.cc (Mips_relocate_functions): Add "llu" suffix to
21 0x800080008000.
22
23 2017-07-23 Alan Modra <amodra@gmail.com>
24
25 * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
26 restore of LR.
27 (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
28 possible insn.
29
30 2017-07-18 Nick Clifton <nickc@redhat.com>
31
32 PR 21775
33 * aarch64.cc: Fix spelling typos.
34 * arm.cc: Likewise.
35 * layout.cc: Likewise.
36 * powerpc.cc: Likewise.
37 * x86_64.cc: Likewise.
38
39 2017-07-12 Alan Modra <amodra@gmail.com>
40
41 * po/es.po: Update from translationproject.org/latest/gold/.
42 * po/fi.po: Likewise.
43 * po/fr.po: Likewise.
44 * po/id.po: Likewise.
45 * po/it.po: Likewise.
46 * po/vi.po: Likewise.
47 * po/zh_CN.po: Likewise.
48 * po/ja.po: New file from translationproject.org.
49 * po/sv.po: Likewise.
50 * po/uk.po: Likewise.
51
52 2017-07-06 Han Shen <shenhan@google.com>
53
54 PR gold/21491
55 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
56 (Erratum_stub::is_invalidated_erratum_stub): New method.
57 (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
58 (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
59 (Stub_table::relocate_erratum_stub): New method.
60 (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
61 "fix_errata".
62 (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
63
64 2017-06-23 Alan Modra <amodra@gmail.com>
65
66 * options.h (General_options): Add plt_localentry.
67 * powerpc.cc (Target_powerpc::st_other): New function.
68 (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
69 has_localentry0_): New vars.
70 (Target_powerpc::plt_localentry0, set_has_localentry0,
71 is_elfv2_localentry0): New functions.
72 (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
73 return true for localentry:0 calls.
74 (Stub_table::Plt_stub_ent::localentry0_): New var.
75 (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
76 Don't set r2save_ for localentry:0 calls.
77 (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
78 (Target_powerpc::scan_relocs): Default plt_localentry0_.
79 (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
80 (Target_powerpc::Relocate::relocate): Don't require nop following
81 calls for localentry:0 plt calls, and don't change nop.
82
83 2017-06-23 Alan Modra <amodra@gmail.com>
84
85 * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
86 (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
87 (Target_powerpc::Branch_info::tocsave_): New var.
88 (Target_powerpc::Branch_info::mark_pltcall): New function.
89 (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
90 add_plt_call_entry.
91 (Stub_table::Plt_stub_ent): Make public. Add r2save_.
92 (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set
93 r2save_.
94 (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust
95 use throughout.
96 (Stub_table::do_write): Conditionally output r2 save in plt stubs.
97 (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
98 (Target_powerpc::Scan::global): Likewise.
99 (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
100 with tocsave reloc. Replace header tocsave nop with r2 save.
101 * symtab.h (struct Symbol_location_hash): Make public.
102
103 2017-06-21 Alan Modra <amodra@gmail.com>
104
105 * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent. Remove indx_.
106 (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
107 (struct Plt_stub_ent): New.
108 (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent. Adjust
109 use throughout file.
110
111 2017-06-20 Eric Christopher <echristo@gmail.com>
112
113 * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
114 calculate the symbol value.
115 (scan_reloc_section_for_stubs): Allow stubs to be created for
116 section symbols.
117 (maybe_apply_stub): Handle creating stubs for weak symbols to
118 match the code in scan_reloc_for_stub.
119
120 2017-06-20 James Clarke <jrtc27@jrtc27.com>
121
122 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
123 uniq_ value.
124
125 2017-06-15 Eric Christopher <echristo@gmail.com>
126
127 * aarch64.cc: Fix a few typos and grammar-os.
128
129 2017-06-15 Jiong Wang <jiong.wang@arm.com>
130
131 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
132 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
133 Return ture for some TLS relaxed sequences.
134
135 2017-06-07 Eric Christopher <echristo@gmail.com>
136
137 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
138 up stubs to undefined symbols and early return rather than
139 fail to look them up.
140 (scan_reloc_for_stub): Add debug logging for no stub creation
141 for undefined symbols.
142
143 2017-05-23 Alan Modra <amodra@gmail.com>
144
145 PR 21503
146 * options.h: Add --emit-stub-syms option.
147 * powerpc.cc (object_id): New.
148 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
149 better packing.
150 (Powerpc_dynobj): Sort variables for better packing.
151 (Target_powerpc::define_local): New function.
152 (Target_powerpc::group_sections): Pass stub table size to
153 Stub_table constructor.
154 (Target_powerpc::do_relax): Define stub and glink symbols.
155 (Stub_table): Add uniq_ variable, and id param to constructor.
156 (Stub_table::Plt_stub_ent): Add indx_ variable.
157 (Stub_table::Branch_stub_entries): Move typedef earlier.
158 (Stub_table::branch_stub_size): Replace "to" parameter with a
159 Branch_stub_entries iterator.
160 (Stub_table::add_long_branch_entry): Adjust to suit.
161 (Stub_table::add_plt_call_entry): Set indx_.
162 (Stub_table::define_stub_syms): New function.
163
164 2017-05-15 Eric Christopher <echristo@gmail.com>
165
166 * layout.cc (Layout::segment_precedes): Add a case for testing
167 pointer equality when determining which segment precedes
168 another.
169
170 2017-05-13 James Clarke <jrtc27@jrtc27.com>
171
172 PR gold/21444
173 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
174 variables are final for position-independent executables. This
175 has to be consistent with Target_sparc::Scan::local otherwise
176 they will disagree as to whether local-exec is used.
177
178 2017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
179
180 PR gold/21430
181 * aarch64.cc
182 (AArch64_relobj::convert_input_section_to_relaxed_section):
183 Set the section offset to -1ULL.
184 (Target_aarch64::relocate_section): Adjust the view in case
185 of a relaxed input section.
186 * testsuite/Makefile.am (pr21430): New test.
187 * testsuite/Makefile.in: Regenerate
188 * testsuite/pr21430.s: New test source file.
189 * testsuite/pr21430.sh: New test script.
190
191 2017-04-27 Alan Modra <amodra@gmail.com>
192
193 * testsuite/plugin_section_order.c (onload): Add missing break.
194
195 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
196
197 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
198 possibility of collisions.
199 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
200 entries.
201
202 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
203
204 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
205 member.
206 (Mips_relobj::merge_processor_specific_data): New method.
207 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
208 to false, only if the input file is a binary or if object has no
209 contents except the section name string table and an empty symbol
210 table with the undefined symbol.
211 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
212 for merging processor-specific data.
213
214 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
215
216 * mips.cc (Target_mips::Relocate::calculated_value_): New data
217 member.
218 (Target_mips::Relocate::calculate_only_): Likewise.
219 (Target_mips::Relocate::relocate): Handle multiple consecutive
220 relocations with the same offset.
221
222 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
223
224 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
225 checks for relocatable link.
226 (Mips_relocate_functions::reljalr): Likewise.
227
228 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
229
230 * mips.cc (class Mips_output_section_options): New class.
231 (Target_mips::do_make_output_section): New method.
232
233 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
234
235 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
236 overflow error message.
237 (Target_mips::relocate_special_relocatable): Improve relocation
238 overflow error message.
239 (Target_mips::Relocate::relocate): Likewise.
240
241 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
242
243 * mips.cc (symbol_refs_local): Return false if a symbol
244 is from a dynamic object.
245 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
246 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
247 STB_LOCAL.
248 (Target_mips::do_finalize_sections): Set _gp after all the checks
249 for creating .got are done.
250 (Target_mips::Scan::global): Remove unused code.
251
252 2017-02-22 Alan Modra <amodra@gmail.com>
253
254 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
255 output_section exists before attempting add_output_section_data.
256 (Target_powerpc::make_brlt_section): Likewise.
257
258 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
259
260 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
261 gold_unreachable from default case.
262
263 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
264
265 PR gold/21111
266 * mips.cc (Mips_relocate_functions::relhigher): New method.
267 (Mips_relocate_functions::relhighest): Likewise.
268 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
269 R_MIPS_HIGHEST.
270 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
271 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
272 (Target_mips::Scan::global): Likewise.
273 (Target_mips::Scan::get_reference_flags): Likewise.
274 (Target_mips::Relocate::relocate): Call static methods for resolving
275 HIGHER and HIGHEST relocations.
276
277 2017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
278
279 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
280 Return true even when building pie binaries.
281 (Target_x86_64::possible_function_pointer_reloc): Check opcode
282 for R_X86_64_PC32 relocations.
283 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
284 extra arguments to local_reloc_may_be_function_pointer.
285 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
286 * gc.h (gc_process_relocs): Add check for STT_FUNC.
287 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
288 * testsuite/Makefile.in: Regenerate.
289 * testsuite/icf_safe_pie_test.sh: New shell script.
290
291 2017-02-03 Alan Modra <amodra@gmail.com>
292
293 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
294 when no .toc section exists.
295
296 2017-01-31 Cary Coutant <ccoutant@gmail.com>
297
298 PR gold/21090
299 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
300 for predefined symbol.
301 (Target_x86_64::Relocate::relocate): Fix formatting.
302
303 2017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
304
305 * testsuite/icf_safe_so_test.sh: Use "set -e".
306 * testsuite/icf_safe_test.sh: Likewise.
307 * testsuite/icf_test.sh: Likewise.
308
309 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
310
311 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
312 type.
313 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
314 point to .plt.
315
316 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
317
318 PR gold/21054
319 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
320 to the dynamic symbol table if it is forced to local visibility.
321 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
322 dynamic symbol table if it is forced to local visibility.
323
324 2017-01-20 Nick Clifton <nickc@redhat.com>
325
326 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
327 from a pointer to an array.
328
329 2017-01-13 H.J. Lu <hongjiu.lu@intel.com>
330
331 PR gold/21040
332 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
333 Cast 0x80008000 to uint64_t.
334
335 2017-01-12 Cary Coutant <ccoutant@gmail.com>
336
337 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
338
339 2017-01-11 Cary Coutant <ccoutant@gmail.com>
340
341 PR gold/21040
342 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
343 Remove unnecessary 'typename' keyword.
344 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
345 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
346 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
347 (Output_data_plt_x86_64_bnd::do_write): Likewise.
348
349 2017-01-11 Cary Coutant <ccoutant@gmail.com>
350
351 PR gold/21040
352 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
353 Remove unnecessary 'typename' keyword.
354 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
355 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
356 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
357 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
358 declarations.
359
360 2017-01-11 Cary Coutant <ccoutant@gmail.com>
361
362 PR gold/21039
363 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
364 * testsuite/script_test_15a.sh: Likewise.
365 * testsuite/script_test_15b.sh: Likewise.
366 * testsuite/script_test_15c.sh: Likewise.
367
368 2017-01-11 Alan Modra <amodra@gmail.com>
369
370 * powerpc.cc (class Powerpc_copy_relocs): New.
371 (Powerpc_copy_relocs::emit): New function.
372 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
373 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
374 (Powerpc_relobj::do_relocate_sections): New function.
375 (Powerpc_relobj::make_toc_relative): Likewise.
376 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
377 and .toc too.
378 (ok_lo_toc_insn): Move earlier, and handle more insns.
379 (Target_powerpc::Scan::local): If optimizing toc accesses, set
380 no_toc_opt for entries we can't edit. Check insn validity.
381 Emit "toc optimization is not supported" warning, downgraded
382 from error.
383 (Target_powerpc::Scan::global): Likewise.
384 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
385 to TOC relative. Don't emit "toc optimization is not supported"
386 error here.
387
388 2017-01-10 Cary Coutant <ccoutant@gmail.com>
389
390 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
391 Sized_relobj_file::relocate_section_range().
392 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
393 * object.h (Sized_relobj_file::relocate_section_range): New method.
394 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
395 implementation...
396 (Sized_relobj_file::relocate_section_range): ...to new method.
397
398 2017-01-10 Alan Modra <amodra@gmail.com>
399
400 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
401 _GLOBAL_OFFSET_TABLE_. Allow zero count.
402 * testsuite/copy_test_relro_1.cc (c, q): New vars.
403 * testsuite/copy_test_relro.cc: Rewrite to test read-only
404 status of variables directly. Reference new vars in
405 read-only data.
406
407 2017-01-10 Alan Modra <amodra@gmail.com>
408
409 * options.h: Add --secure-plt option.
410 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
411 on -fPIC -mbss-plt code.
412 (Target_powerpc::Scan::global): Likewise.
413
414 2017-01-09 Alan Modra <amodra@gmail.com>
415
416 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
417 ".rela.plt" at ".plt".
418
419 2017-01-07 Alan Modra <amodra@gmail.com>
420
421 * powerpc.cc: Use shorter equivalent elfcpp typedef for
422 Reltype and reloc_size throughout.
423 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
424 (Target_powerpc::Scan::local): Use local var r_sym.
425 (Target_powerpc::Scan::global: Likewise.
426 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
427
428 2017-01-02 Alan Modra <amodra@gmail.com>
429
430 Update year range in copyright notice of all files.
431
432 For older changes see ChangeLog-2016
433 \f
434 Copyright (C) 2017 Free Software Foundation, Inc.
435
436 Copying and distribution of this file, with or without modification,
437 are permitted in any medium without royalty provided the copyright
438 notice and this notice are preserved.
439
440 Local Variables:
441 mode: change-log
442 left-margin: 8
443 fill-column: 74
444 version-control: never
445 End:
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