Fix problem where erratum stubs are not always applied.
[binutils-gdb.git] / gold / ChangeLog
1 2017-11-30 Peter Smith <peter.smith@linaro.org>
2 Cary Coutant <ccoutant@gmail.com>
3
4 PR gold/20765
5 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): Use erratum_insn_
6 instead of relobj_ to invalidate the stub.
7 (Erratum_stub::is_invalidated_erratum_stub): Likewise.
8
9 2017-11-30 Peter Smith <peter.smith@linaro.org>
10
11 PR gold/22233
12 * aarch64.cc (AArch64_relobj::fix_errata_and_relocate_erratum_stubs):
13 Fix calculation of stub address.
14
15 2017-11-29 Stefan Stroe <stroestefan@gmail.com>
16
17 * po/Make-in (datadir): Define as @datadir@.
18 (localedir): Define as @localedir@.
19 (gnulocaledir, gettextsrcdir): Use @datarootdir@.
20
21 2017-11-28 Cary Coutant <ccoutant@gmail.com>
22
23 * resolve.cc (Symbol_table::resolve): Allow multiply-defined absolute
24 symbols when they have the same value.
25
26 2017-11-28 Cary Coutant <ccoutant@gmail.com>
27
28 * object.h (class Sized_relobj_file): Remove discarded_eh_frame_shndx_.
29 * object.cc (Sized_relobj_file::Sized_relobj_file): Likewise.
30 (Sized_relobj_file::layout_eh_frame_section): Likewise.
31 (Sized_relobj_file::do_count_local_symbols): Check for optimized
32 .eh_frame section by other means.
33 (Sized_relobj_file::compute_final_local_value_internal): Likewise.
34
35 2017-11-28 H.J. Lu <hongjiu.lu@intel.com>
36
37 * testsuite/pr22266_a.c: Add a newline at end of file.
38
39 2017-11-27 Cary Coutant <ccoutant@gmail.com>
40
41 PR gold/19291
42 PR gold/22266
43 * object.cc (Sized_relobj_file::compute_final_local_value_internal):
44 Revert changes from 2017-11-08 patch. Adjust symbol value in
45 relocatable links for non-section symbols.
46 (Sized_relobj_file::compute_final_local_value): Revert changes from
47 2017-11-08 patch.
48 (Sized_relobj_file::do_finalize_local_symbols): Likewise.
49 (Sized_relobj_file::write_local_symbols): Revert changes from
50 2015-11-25 patch.
51 * object.h (Sized_relobj_file::compute_final_local_value_internal):
52 Revert changes from 2017-11-08 patch.
53 * powerpc.cc (Target_powerpc::relocate_relocs): Adjust addend for
54 relocatable links.
55 * target-reloc.h (relocate_relocs): Adjust addend for relocatable links.
56 * testsuite/pr22266_a.c (hello): New function.
57 * testsuite/pr22266_main.c (main): Add test for merge sections.
58 * testsuite/pr22266_script.t: Add rule for .rodata.
59
60 2017-11-19 Ian Lance Taylor <iant@google.com>
61 Cary Coutant <ccoutant@gmail.com>
62
63 * dwarf_reader.h (class Dwarf_info_reader): Add ref_addr_size
64 method.
65 * dwarf_reader.cc (Dwarf_die::read_attributes): Use ref_addr_size
66 for DW_FORM_ref_addr_size.
67 (Dwarf_die::skip_attributes): Likewise.
68
69 2017-11-08 H.J. Lu <hongjiu.lu@intel.com>
70
71 PR gold/22291
72 * layout.cc (Layout::define_section_symbols): Use STV_PROTECTED
73 for __start and __stop symbols.
74 * symtab.cc (Symbol_table::define_special_symbol): Add an
75 argument, visibility. Ignore definition and reference from
76 a dynamic object, depending on visibility.
77 (Symbol_table::do_define_in_output_data): Pass visibility to
78 define_special_symbol.
79 (Symbol_table::do_define_in_output_segment): Likewise.
80 (Symbol_table::do_define_as_constant): Likewise.
81 (Symbol_table::add_undefined_symbol_from_command_line): Pass
82 STV_DEFAULT to define_special_symbol.
83 * symtab.h (Symbol_table::define_special_symbol): Add an
84 argument, visibility.
85
86 2017-11-08 James Clarke <jrtc27@jrtc27.com>
87
88 PR gold/22266
89 * object.cc (Sized_relobj_file::compute_final_local_value_internal):
90 Drop relocatable parameter and stop adjusting output value based on
91 it.
92 (Sized_relobj_file::compute_final_local_value): Stop passing
93 relocatable to compute_final_local_value_internal.
94 (Sized_relobj_file::do_finalize_local_symbols): Ditto.
95 * object.h (Sized_relobj_file::compute_final_local_value_internal):
96 Drop relocatable parameter.
97
98 2017-11-08 Kyle Butt <iteratee@google.com>
99
100 * object.cc (do_find_special_sections): Fix a thinko with memmem return
101 values and check for != NULL rather than == 0.
102
103 2017-11-07 Alan Modra <amodra@gmail.com>
104
105 * system.h (textdomain, bindtextdomain): Use safer "do nothing".
106 (ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
107
108 2017-10-25 Alan Modra <amodra@gmail.com>
109
110 * symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
111 optionally prefixed with "_".
112
113 2017-10-20 Sriraman Tallam <tmsriram@google.com>
114
115 * options.h (-z,text_unlikely_segment): New option.
116 * layout.cc (Layout::layout): Create new output section
117 for .text.unlikely sections with the new option.
118 (Layout::segment_precedes): Check for the new option
119 when segment flags match.
120 * testsuite/text_unlikely_segment.cc: New test source.
121 * testsuite/text_unlikely_segment.sh: New test script.
122 * testsuite/Makefile.am (text_unlikely_segment): New test.
123 * testsuite/Makefile.in: Regenerate.
124
125 2017-10-19 Umesh Kalappa <ukalappa@cisco.com>
126
127 * arm.cc (Stub::do_fixed_endian_write):Far call stubs support for arm
128 in the be8 mode.
129 * testsuite/Makefile.am: New test cases.
130 * testsuite/Makefile.in: Regenerate.
131 * testsuite/arm_farcall_arm_arm_be8.sh: New script for arm to arm far
132 call stubs.
133 * testsuite/arm_farcall_thumb_thumb_be8.sh: New script for thumb to
134 thumb far call stubs.
135
136 2017-10-18 Kyle Butt <iteratee@google.com>
137 Alan Modra <amodra@gmail.com>
138
139 * powerpc.cc (Target_powerpc::Scan::local): Correct dst_off
140 calculation for TOC16 relocs.
141 (Target_powerpc::Scan::global): Likewise.
142
143 2017-09-26 Cary Coutant <ccoutant@gmail.com>
144
145 PR gold/22213
146 * sparc.cc (Target_sparc): Fix incorrect register mask.
147
148 2017-09-22 Jim Wilson <jim.wilson@linaro.org>
149
150 * aarch64.cc (Target_aarch64::aarch64_info): Set
151 is_default_stack_executable to false.
152
153 2017-09-22 Alan Modra <amodra@gmail.com>
154
155 * resolve.cc (clone): Fix got_offset_list test.
156
157 2017-09-22 Alan Modra <amodra@gmail.com>
158
159 * powerpc.cc (Target_powerpc<64,*>::powerpc_info): Set
160 is_default_stack_executable false.
161
162 2017-09-20 Teresa Johnson <tejohnson@google.com>
163
164 * plugin.cc (is_visible_from_outside): Check for export dynamic symbol
165 option and list.
166 * testsuite/Makefile.am (plugin_test_12): New test.
167 * testsuite/Makefile.in: Regenerate.
168 * testsuite/export_dynamic_plugin.cc: New test source.
169 * testsuite/plugin_test_12.sh: New test script.
170
171 2017-09-20 Alan Modra <amodra@gmail.com>
172
173 * powerpc.cc (Target_powerpc::Branch_info::make_stub): Put
174 stubs for ppc32 non-branch relocs in first stub table.
175 (Target_powerpc::Relocate::relocate): Resolve similarly.
176
177 2017-09-19 Alan Modra <amodra@gmail.com>
178
179 * options.h (stub-group-multi): Default to true. Add
180 --no-stub-group-multi.
181
182 2017-08-30 Alan Modra <amodra@gmail.com>
183
184 * powerpc.cc (Target_powerpc::Relocate::relocate): Nop addis on
185 TPREL16_HA, and convert insn on TPREL16_LO and TPREL16_LO_DS
186 relocs to use r2/r13 when addis would add zero.
187
188 2017-08-29 Alan Modra <amodra@gmail.com>
189
190 * options.h (tls_get_addr_optimize): New option.
191 * symtab.h (Symbol::clear_in_reg, clone): New functions.
192 (Sized_symbol::clone): New function.
193 (Symbol_table::clone): New function.
194 * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions.
195 * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_,
196 tls_get_addr_, tls_get_addr_opt_): New vars.
197 (Target_powerpc::tls_get_addr_opt, tls_get_addr,
198 is_tls_get_addr_opt, replace_tls_get_addr,
199 set_has_tls_get_addr_opt, stk_linker): New functions.
200 (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add
201 target param. Update callers. Compare symbols rather than names.
202 (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_
203 and tls_get_addr_opt_.
204 (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr
205 sym to tls_get_addr_opt.
206 (Target_powerpc::Branch_info::make_stub): Likewise.
207 (Stub_table::define_stub_syms): Likewise.
208 (Target_powerpc::Scan::global): Likewise.
209 (Target_powerpc::Relocate::relocate): Likewise.
210 (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0,
211 ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0,
212 mtlr_11, std_11_1): New constants.
213 (Stub_table::eh_frame_added_): Delete.
214 (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars.
215 (Stub_table::init_plt_fde): New functions.
216 (Stub_table::add_eh_frame, replace_eh_frame): Move definition out
217 of line. Init and use plt_fde_.
218 (Stub_table::plt_call_size): Return size for tls_get_addr stub.
219 Extract alignment code to..
220 (Stub_table::plt_call_align): ..this new function. Adjust all callers.
221 (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and
222 tls_get_addr_opt_bctrl, and align after that.
223 (Stub_table::do_write): Write out tls_get_addr stub.
224 (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT
225 PPC_OPT_TLS/PPC64_OPT_TLS bit.
226 (Target_powerpc::Relocate::relocate): Don't check for or modify
227 nop following bl for tls_get_addr stub.
228
229 2017-08-29 Alan Modra <amodra@gmail.com>
230
231 * symtab.h (Symbol): Split u_ into u1_ and u2_. Adjust accessors
232 to suit. Move plt_offset_ before got_offsets_.
233 * symtab.cc (Symbol::init_fields): Adjust for union change.
234 (Symbol::init_base_output_data): Likewise.
235 (Symbol::init_base_output_segment): Likewise.
236 (Symbol::allocate_base_common): Likewise.
237 (Symbol::output_section): Likewise.
238 (Symbol::set_output_section): Likewise.
239 (Symbol::set_output_segment): Likewise.
240 * resolve.cc (Symbol::override_base): Likewise.
241 (Symbol::override_base_with_special): Likewise.
242
243 2017-08-28 Igor Kudrin <ikudrin@accesssoftek.com>
244
245 * aarch64.cc (Target_aarch64::Relocate::relocate_tls):
246 Make got_tlsdesc_offset signed and fix its calculation.
247 * testsuite/Makefile.am (aarch64_tlsdesc): New test.
248 * testsuite/Makefile.in: Regenerate.
249 * testsuite/aarch64_tlsdesc.s: New test source file.
250 * testsuite/aarch64_tlsdesc.sh: New test script.
251 * testsuite/aarch64_tlsdesc.t: New test linker script.
252
253 2017-08-28 Alan Modra <amodra@gmail.com>
254
255 PR 21847
256 * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
257 non_zero_localentry.
258 (Target_powerpc::resolve): New function.
259 (powerpc_info): Set has_resolve for 64-bit.
260 * target.h (Sized_target::resolve): Return bool.
261 * resolve.cc (Symbol_table::resolve): Continue with normal
262 processing when target resolve returns false.
263 * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
264 New accessors.
265 (Symbol::non_zero_localentry_): New flag bit.
266 * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
267
268 2017-08-08 Romain Geissler <romain.geissler@gmail.com>
269 Alan Modra <amodra@gmail.com>
270
271 * configure.ac: Add --enable-default-hash-style option.
272 * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
273 * configure: Regenerate.
274 * config.in: Regenerate.
275
276 2017-08-03 James Clarke <jrtc27@jrtc27.com>
277
278 * options.h (General_options): Set a non-NULL second help string
279 argument for relax to allow --no-relax.
280
281 2017-08-01 Alan Modra <amodra@gmail.com>
282
283 * ehframe.cc (Fde::operator==): New.
284 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
285 * ehframe.h (Fde::operator==): Declare.
286 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
287 * layout.cc (Layout::remove_eh_frame_for_plt): New.
288 * layout.h (Layout::remove_eh_frame_for_plt): Declare.
289 * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
290 (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
291 Don't add eh_frame for empty stub section.
292 (Stub_table::remove_eh_frame): New.
293
294 2017-07-31 Alan Modra <amodra@gmail.com>
295
296 * options.h (no_tls_optimize): New powerpc option.
297 * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
298 (Target_powerpc::stk_toc): Formatting, fix comment.
299 (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
300 tls_get_addr.
301 (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
302 Return TLSOPT_NONE when !tls_optimize.
303 (Target_powerpc::add_global_pair_with_rel): Check
304 for existing reloc before reserving.
305 (Target_powerpc::add_local_tls_pair): Likewise.
306
307 2017-07-31 Alan Modra <amodra@gmail.com>
308
309 PR 21847
310 * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
311 without ld.so checks.
312
313 2017-07-29 Alan Modra <amodra@gmail.com>
314
315 PR 21847
316 * powerpc.cc (Target_powerpc::scan_relocs): Default to
317 --no-plt-localentry.
318
319 2017-07-28 H.J. Lu <hongjiu.lu@intel.com>
320
321 PR gold/21857
322 * compressed_output.cc (Output_compressed_section::set_final_data_size):
323 Call put_ch_reserved to clear the reserved field for 64-bit ELF.
324
325 2017-07-26 H.J. Lu <hongjiu.lu@intel.com>
326
327 * mips.cc (Mips_relocate_functions): Add "llu" suffix to
328 0x800080008000.
329
330 2017-07-23 Alan Modra <amodra@gmail.com>
331
332 * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
333 restore of LR.
334 (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
335 possible insn.
336
337 2017-07-18 Nick Clifton <nickc@redhat.com>
338
339 PR 21775
340 * aarch64.cc: Fix spelling typos.
341 * arm.cc: Likewise.
342 * layout.cc: Likewise.
343 * powerpc.cc: Likewise.
344 * x86_64.cc: Likewise.
345
346 2017-07-12 Alan Modra <amodra@gmail.com>
347
348 * po/es.po: Update from translationproject.org/latest/gold/.
349 * po/fi.po: Likewise.
350 * po/fr.po: Likewise.
351 * po/id.po: Likewise.
352 * po/it.po: Likewise.
353 * po/vi.po: Likewise.
354 * po/zh_CN.po: Likewise.
355 * po/ja.po: New file from translationproject.org.
356 * po/sv.po: Likewise.
357 * po/uk.po: Likewise.
358
359 2017-07-06 Han Shen <shenhan@google.com>
360
361 PR gold/21491
362 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
363 (Erratum_stub::is_invalidated_erratum_stub): New method.
364 (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
365 (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
366 (Stub_table::relocate_erratum_stub): New method.
367 (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
368 "fix_errata".
369 (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
370
371 2017-06-23 Alan Modra <amodra@gmail.com>
372
373 * options.h (General_options): Add plt_localentry.
374 * powerpc.cc (Target_powerpc::st_other): New function.
375 (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
376 has_localentry0_): New vars.
377 (Target_powerpc::plt_localentry0, set_has_localentry0,
378 is_elfv2_localentry0): New functions.
379 (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
380 return true for localentry:0 calls.
381 (Stub_table::Plt_stub_ent::localentry0_): New var.
382 (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
383 Don't set r2save_ for localentry:0 calls.
384 (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
385 (Target_powerpc::scan_relocs): Default plt_localentry0_.
386 (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
387 (Target_powerpc::Relocate::relocate): Don't require nop following
388 calls for localentry:0 plt calls, and don't change nop.
389
390 2017-06-23 Alan Modra <amodra@gmail.com>
391
392 * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
393 (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
394 (Target_powerpc::Branch_info::tocsave_): New var.
395 (Target_powerpc::Branch_info::mark_pltcall): New function.
396 (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
397 add_plt_call_entry.
398 (Stub_table::Plt_stub_ent): Make public. Add r2save_.
399 (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set
400 r2save_.
401 (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust
402 use throughout.
403 (Stub_table::do_write): Conditionally output r2 save in plt stubs.
404 (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
405 (Target_powerpc::Scan::global): Likewise.
406 (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
407 with tocsave reloc. Replace header tocsave nop with r2 save.
408 * symtab.h (struct Symbol_location_hash): Make public.
409
410 2017-06-21 Alan Modra <amodra@gmail.com>
411
412 * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent. Remove indx_.
413 (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
414 (struct Plt_stub_ent): New.
415 (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent. Adjust
416 use throughout file.
417
418 2017-06-20 Eric Christopher <echristo@gmail.com>
419
420 * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
421 calculate the symbol value.
422 (scan_reloc_section_for_stubs): Allow stubs to be created for
423 section symbols.
424 (maybe_apply_stub): Handle creating stubs for weak symbols to
425 match the code in scan_reloc_for_stub.
426
427 2017-06-20 James Clarke <jrtc27@jrtc27.com>
428
429 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
430 uniq_ value.
431
432 2017-06-15 Eric Christopher <echristo@gmail.com>
433
434 * aarch64.cc: Fix a few typos and grammar-os.
435
436 2017-06-15 Jiong Wang <jiong.wang@arm.com>
437
438 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
439 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
440 Return ture for some TLS relaxed sequences.
441
442 2017-06-07 Eric Christopher <echristo@gmail.com>
443
444 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
445 up stubs to undefined symbols and early return rather than
446 fail to look them up.
447 (scan_reloc_for_stub): Add debug logging for no stub creation
448 for undefined symbols.
449
450 2017-05-23 Alan Modra <amodra@gmail.com>
451
452 PR 21503
453 * options.h: Add --emit-stub-syms option.
454 * powerpc.cc (object_id): New.
455 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
456 better packing.
457 (Powerpc_dynobj): Sort variables for better packing.
458 (Target_powerpc::define_local): New function.
459 (Target_powerpc::group_sections): Pass stub table size to
460 Stub_table constructor.
461 (Target_powerpc::do_relax): Define stub and glink symbols.
462 (Stub_table): Add uniq_ variable, and id param to constructor.
463 (Stub_table::Plt_stub_ent): Add indx_ variable.
464 (Stub_table::Branch_stub_entries): Move typedef earlier.
465 (Stub_table::branch_stub_size): Replace "to" parameter with a
466 Branch_stub_entries iterator.
467 (Stub_table::add_long_branch_entry): Adjust to suit.
468 (Stub_table::add_plt_call_entry): Set indx_.
469 (Stub_table::define_stub_syms): New function.
470
471 2017-05-15 Eric Christopher <echristo@gmail.com>
472
473 * layout.cc (Layout::segment_precedes): Add a case for testing
474 pointer equality when determining which segment precedes
475 another.
476
477 2017-05-13 James Clarke <jrtc27@jrtc27.com>
478
479 PR gold/21444
480 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
481 variables are final for position-independent executables. This
482 has to be consistent with Target_sparc::Scan::local otherwise
483 they will disagree as to whether local-exec is used.
484
485 2017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
486
487 PR gold/21430
488 * aarch64.cc
489 (AArch64_relobj::convert_input_section_to_relaxed_section):
490 Set the section offset to -1ULL.
491 (Target_aarch64::relocate_section): Adjust the view in case
492 of a relaxed input section.
493 * testsuite/Makefile.am (pr21430): New test.
494 * testsuite/Makefile.in: Regenerate
495 * testsuite/pr21430.s: New test source file.
496 * testsuite/pr21430.sh: New test script.
497
498 2017-04-27 Alan Modra <amodra@gmail.com>
499
500 * testsuite/plugin_section_order.c (onload): Add missing break.
501
502 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
503
504 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
505 possibility of collisions.
506 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
507 entries.
508
509 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
510
511 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
512 member.
513 (Mips_relobj::merge_processor_specific_data): New method.
514 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
515 to false, only if the input file is a binary or if object has no
516 contents except the section name string table and an empty symbol
517 table with the undefined symbol.
518 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
519 for merging processor-specific data.
520
521 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
522
523 * mips.cc (Target_mips::Relocate::calculated_value_): New data
524 member.
525 (Target_mips::Relocate::calculate_only_): Likewise.
526 (Target_mips::Relocate::relocate): Handle multiple consecutive
527 relocations with the same offset.
528
529 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
530
531 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
532 checks for relocatable link.
533 (Mips_relocate_functions::reljalr): Likewise.
534
535 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
536
537 * mips.cc (class Mips_output_section_options): New class.
538 (Target_mips::do_make_output_section): New method.
539
540 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
541
542 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
543 overflow error message.
544 (Target_mips::relocate_special_relocatable): Improve relocation
545 overflow error message.
546 (Target_mips::Relocate::relocate): Likewise.
547
548 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
549
550 * mips.cc (symbol_refs_local): Return false if a symbol
551 is from a dynamic object.
552 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
553 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
554 STB_LOCAL.
555 (Target_mips::do_finalize_sections): Set _gp after all the checks
556 for creating .got are done.
557 (Target_mips::Scan::global): Remove unused code.
558
559 2017-02-22 Alan Modra <amodra@gmail.com>
560
561 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
562 output_section exists before attempting add_output_section_data.
563 (Target_powerpc::make_brlt_section): Likewise.
564
565 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
566
567 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
568 gold_unreachable from default case.
569
570 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
571
572 PR gold/21111
573 * mips.cc (Mips_relocate_functions::relhigher): New method.
574 (Mips_relocate_functions::relhighest): Likewise.
575 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
576 R_MIPS_HIGHEST.
577 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
578 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
579 (Target_mips::Scan::global): Likewise.
580 (Target_mips::Scan::get_reference_flags): Likewise.
581 (Target_mips::Relocate::relocate): Call static methods for resolving
582 HIGHER and HIGHEST relocations.
583
584 2017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
585
586 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
587 Return true even when building pie binaries.
588 (Target_x86_64::possible_function_pointer_reloc): Check opcode
589 for R_X86_64_PC32 relocations.
590 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
591 extra arguments to local_reloc_may_be_function_pointer.
592 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
593 * gc.h (gc_process_relocs): Add check for STT_FUNC.
594 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
595 * testsuite/Makefile.in: Regenerate.
596 * testsuite/icf_safe_pie_test.sh: New shell script.
597
598 2017-02-03 Alan Modra <amodra@gmail.com>
599
600 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
601 when no .toc section exists.
602
603 2017-01-31 Cary Coutant <ccoutant@gmail.com>
604
605 PR gold/21090
606 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
607 for predefined symbol.
608 (Target_x86_64::Relocate::relocate): Fix formatting.
609
610 2017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
611
612 * testsuite/icf_safe_so_test.sh: Use "set -e".
613 * testsuite/icf_safe_test.sh: Likewise.
614 * testsuite/icf_test.sh: Likewise.
615
616 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
617
618 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
619 type.
620 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
621 point to .plt.
622
623 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
624
625 PR gold/21054
626 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
627 to the dynamic symbol table if it is forced to local visibility.
628 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
629 dynamic symbol table if it is forced to local visibility.
630
631 2017-01-20 Nick Clifton <nickc@redhat.com>
632
633 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
634 from a pointer to an array.
635
636 2017-01-13 H.J. Lu <hongjiu.lu@intel.com>
637
638 PR gold/21040
639 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
640 Cast 0x80008000 to uint64_t.
641
642 2017-01-12 Cary Coutant <ccoutant@gmail.com>
643
644 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
645
646 2017-01-11 Cary Coutant <ccoutant@gmail.com>
647
648 PR gold/21040
649 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
650 Remove unnecessary 'typename' keyword.
651 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
652 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
653 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
654 (Output_data_plt_x86_64_bnd::do_write): Likewise.
655
656 2017-01-11 Cary Coutant <ccoutant@gmail.com>
657
658 PR gold/21040
659 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
660 Remove unnecessary 'typename' keyword.
661 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
662 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
663 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
664 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
665 declarations.
666
667 2017-01-11 Cary Coutant <ccoutant@gmail.com>
668
669 PR gold/21039
670 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
671 * testsuite/script_test_15a.sh: Likewise.
672 * testsuite/script_test_15b.sh: Likewise.
673 * testsuite/script_test_15c.sh: Likewise.
674
675 2017-01-11 Alan Modra <amodra@gmail.com>
676
677 * powerpc.cc (class Powerpc_copy_relocs): New.
678 (Powerpc_copy_relocs::emit): New function.
679 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
680 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
681 (Powerpc_relobj::do_relocate_sections): New function.
682 (Powerpc_relobj::make_toc_relative): Likewise.
683 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
684 and .toc too.
685 (ok_lo_toc_insn): Move earlier, and handle more insns.
686 (Target_powerpc::Scan::local): If optimizing toc accesses, set
687 no_toc_opt for entries we can't edit. Check insn validity.
688 Emit "toc optimization is not supported" warning, downgraded
689 from error.
690 (Target_powerpc::Scan::global): Likewise.
691 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
692 to TOC relative. Don't emit "toc optimization is not supported"
693 error here.
694
695 2017-01-10 Cary Coutant <ccoutant@gmail.com>
696
697 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
698 Sized_relobj_file::relocate_section_range().
699 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
700 * object.h (Sized_relobj_file::relocate_section_range): New method.
701 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
702 implementation...
703 (Sized_relobj_file::relocate_section_range): ...to new method.
704
705 2017-01-10 Alan Modra <amodra@gmail.com>
706
707 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
708 _GLOBAL_OFFSET_TABLE_. Allow zero count.
709 * testsuite/copy_test_relro_1.cc (c, q): New vars.
710 * testsuite/copy_test_relro.cc: Rewrite to test read-only
711 status of variables directly. Reference new vars in
712 read-only data.
713
714 2017-01-10 Alan Modra <amodra@gmail.com>
715
716 * options.h: Add --secure-plt option.
717 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
718 on -fPIC -mbss-plt code.
719 (Target_powerpc::Scan::global): Likewise.
720
721 2017-01-09 Alan Modra <amodra@gmail.com>
722
723 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
724 ".rela.plt" at ".plt".
725
726 2017-01-07 Alan Modra <amodra@gmail.com>
727
728 * powerpc.cc: Use shorter equivalent elfcpp typedef for
729 Reltype and reloc_size throughout.
730 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
731 (Target_powerpc::Scan::local): Use local var r_sym.
732 (Target_powerpc::Scan::global: Likewise.
733 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
734
735 2017-01-02 Alan Modra <amodra@gmail.com>
736
737 Update year range in copyright notice of all files.
738
739 For older changes see ChangeLog-2016
740 \f
741 Copyright (C) 2017 Free Software Foundation, Inc.
742
743 Copying and distribution of this file, with or without modification,
744 are permitted in any medium without royalty provided the copyright
745 notice and this notice are preserved.
746
747 Local Variables:
748 mode: change-log
749 left-margin: 8
750 fill-column: 74
751 version-control: never
752 End: