Fix problem where undef can fail to trigger archive rescan.
[binutils-gdb.git] / gold / ChangeLog
1 2017-11-17 Stephen Crane <sjc@immunant.com>
2
3 PR gold/22448
4 * symtab.cc (Symbol_table::add_from_object): Only rescan for
5 undefined symbols in regular, not dynamic, objects.
6
7 2017-11-30 Peter Smith <peter.smith@linaro.org>
8
9 PR gold/20765
10 * aarch64.cc (Aarch64_relobj::update_erratum_address): New method.
11 (AArch64_relobj::scan_errata): Update addresses in stub table after
12 relaxation pass.
13
14 2017-11-30 Peter Smith <peter.smith@linaro.org>
15 Cary Coutant <ccoutant@gmail.com>
16
17 PR gold/20765
18 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): Use erratum_insn_
19 instead of relobj_ to invalidate the stub.
20 (Erratum_stub::is_invalidated_erratum_stub): Likewise.
21
22 2017-11-30 Peter Smith <peter.smith@linaro.org>
23
24 PR gold/22233
25 * aarch64.cc (AArch64_relobj::fix_errata_and_relocate_erratum_stubs):
26 Fix calculation of stub address.
27
28 2017-11-29 Stefan Stroe <stroestefan@gmail.com>
29
30 * po/Make-in (datadir): Define as @datadir@.
31 (localedir): Define as @localedir@.
32 (gnulocaledir, gettextsrcdir): Use @datarootdir@.
33
34 2017-11-28 Cary Coutant <ccoutant@gmail.com>
35
36 * resolve.cc (Symbol_table::resolve): Allow multiply-defined absolute
37 symbols when they have the same value.
38
39 2017-11-28 Cary Coutant <ccoutant@gmail.com>
40
41 * object.h (class Sized_relobj_file): Remove discarded_eh_frame_shndx_.
42 * object.cc (Sized_relobj_file::Sized_relobj_file): Likewise.
43 (Sized_relobj_file::layout_eh_frame_section): Likewise.
44 (Sized_relobj_file::do_count_local_symbols): Check for optimized
45 .eh_frame section by other means.
46 (Sized_relobj_file::compute_final_local_value_internal): Likewise.
47
48 2017-11-28 H.J. Lu <hongjiu.lu@intel.com>
49
50 * testsuite/pr22266_a.c: Add a newline at end of file.
51
52 2017-11-27 Cary Coutant <ccoutant@gmail.com>
53
54 PR gold/19291
55 PR gold/22266
56 * object.cc (Sized_relobj_file::compute_final_local_value_internal):
57 Revert changes from 2017-11-08 patch. Adjust symbol value in
58 relocatable links for non-section symbols.
59 (Sized_relobj_file::compute_final_local_value): Revert changes from
60 2017-11-08 patch.
61 (Sized_relobj_file::do_finalize_local_symbols): Likewise.
62 (Sized_relobj_file::write_local_symbols): Revert changes from
63 2015-11-25 patch.
64 * object.h (Sized_relobj_file::compute_final_local_value_internal):
65 Revert changes from 2017-11-08 patch.
66 * powerpc.cc (Target_powerpc::relocate_relocs): Adjust addend for
67 relocatable links.
68 * target-reloc.h (relocate_relocs): Adjust addend for relocatable links.
69 * testsuite/pr22266_a.c (hello): New function.
70 * testsuite/pr22266_main.c (main): Add test for merge sections.
71 * testsuite/pr22266_script.t: Add rule for .rodata.
72
73 2017-11-19 Ian Lance Taylor <iant@google.com>
74 Cary Coutant <ccoutant@gmail.com>
75
76 * dwarf_reader.h (class Dwarf_info_reader): Add ref_addr_size
77 method.
78 * dwarf_reader.cc (Dwarf_die::read_attributes): Use ref_addr_size
79 for DW_FORM_ref_addr_size.
80 (Dwarf_die::skip_attributes): Likewise.
81
82 2017-11-08 H.J. Lu <hongjiu.lu@intel.com>
83
84 PR gold/22291
85 * layout.cc (Layout::define_section_symbols): Use STV_PROTECTED
86 for __start and __stop symbols.
87 * symtab.cc (Symbol_table::define_special_symbol): Add an
88 argument, visibility. Ignore definition and reference from
89 a dynamic object, depending on visibility.
90 (Symbol_table::do_define_in_output_data): Pass visibility to
91 define_special_symbol.
92 (Symbol_table::do_define_in_output_segment): Likewise.
93 (Symbol_table::do_define_as_constant): Likewise.
94 (Symbol_table::add_undefined_symbol_from_command_line): Pass
95 STV_DEFAULT to define_special_symbol.
96 * symtab.h (Symbol_table::define_special_symbol): Add an
97 argument, visibility.
98
99 2017-11-08 James Clarke <jrtc27@jrtc27.com>
100
101 PR gold/22266
102 * object.cc (Sized_relobj_file::compute_final_local_value_internal):
103 Drop relocatable parameter and stop adjusting output value based on
104 it.
105 (Sized_relobj_file::compute_final_local_value): Stop passing
106 relocatable to compute_final_local_value_internal.
107 (Sized_relobj_file::do_finalize_local_symbols): Ditto.
108 * object.h (Sized_relobj_file::compute_final_local_value_internal):
109 Drop relocatable parameter.
110
111 2017-11-08 Kyle Butt <iteratee@google.com>
112
113 * object.cc (do_find_special_sections): Fix a thinko with memmem return
114 values and check for != NULL rather than == 0.
115
116 2017-11-07 Alan Modra <amodra@gmail.com>
117
118 * system.h (textdomain, bindtextdomain): Use safer "do nothing".
119 (ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
120
121 2017-10-25 Alan Modra <amodra@gmail.com>
122
123 * symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
124 optionally prefixed with "_".
125
126 2017-10-20 Sriraman Tallam <tmsriram@google.com>
127
128 * options.h (-z,text_unlikely_segment): New option.
129 * layout.cc (Layout::layout): Create new output section
130 for .text.unlikely sections with the new option.
131 (Layout::segment_precedes): Check for the new option
132 when segment flags match.
133 * testsuite/text_unlikely_segment.cc: New test source.
134 * testsuite/text_unlikely_segment.sh: New test script.
135 * testsuite/Makefile.am (text_unlikely_segment): New test.
136 * testsuite/Makefile.in: Regenerate.
137
138 2017-10-19 Umesh Kalappa <ukalappa@cisco.com>
139
140 * arm.cc (Stub::do_fixed_endian_write):Far call stubs support for arm
141 in the be8 mode.
142 * testsuite/Makefile.am: New test cases.
143 * testsuite/Makefile.in: Regenerate.
144 * testsuite/arm_farcall_arm_arm_be8.sh: New script for arm to arm far
145 call stubs.
146 * testsuite/arm_farcall_thumb_thumb_be8.sh: New script for thumb to
147 thumb far call stubs.
148
149 2017-10-18 Kyle Butt <iteratee@google.com>
150 Alan Modra <amodra@gmail.com>
151
152 * powerpc.cc (Target_powerpc::Scan::local): Correct dst_off
153 calculation for TOC16 relocs.
154 (Target_powerpc::Scan::global): Likewise.
155
156 2017-09-26 Cary Coutant <ccoutant@gmail.com>
157
158 PR gold/22213
159 * sparc.cc (Target_sparc): Fix incorrect register mask.
160
161 2017-09-22 Jim Wilson <jim.wilson@linaro.org>
162
163 * aarch64.cc (Target_aarch64::aarch64_info): Set
164 is_default_stack_executable to false.
165
166 2017-09-22 Alan Modra <amodra@gmail.com>
167
168 * resolve.cc (clone): Fix got_offset_list test.
169
170 2017-09-22 Alan Modra <amodra@gmail.com>
171
172 * powerpc.cc (Target_powerpc<64,*>::powerpc_info): Set
173 is_default_stack_executable false.
174
175 2017-09-20 Teresa Johnson <tejohnson@google.com>
176
177 * plugin.cc (is_visible_from_outside): Check for export dynamic symbol
178 option and list.
179 * testsuite/Makefile.am (plugin_test_12): New test.
180 * testsuite/Makefile.in: Regenerate.
181 * testsuite/export_dynamic_plugin.cc: New test source.
182 * testsuite/plugin_test_12.sh: New test script.
183
184 2017-09-20 Alan Modra <amodra@gmail.com>
185
186 * powerpc.cc (Target_powerpc::Branch_info::make_stub): Put
187 stubs for ppc32 non-branch relocs in first stub table.
188 (Target_powerpc::Relocate::relocate): Resolve similarly.
189
190 2017-09-19 Alan Modra <amodra@gmail.com>
191
192 * options.h (stub-group-multi): Default to true. Add
193 --no-stub-group-multi.
194
195 2017-08-30 Alan Modra <amodra@gmail.com>
196
197 * powerpc.cc (Target_powerpc::Relocate::relocate): Nop addis on
198 TPREL16_HA, and convert insn on TPREL16_LO and TPREL16_LO_DS
199 relocs to use r2/r13 when addis would add zero.
200
201 2017-08-29 Alan Modra <amodra@gmail.com>
202
203 * options.h (tls_get_addr_optimize): New option.
204 * symtab.h (Symbol::clear_in_reg, clone): New functions.
205 (Sized_symbol::clone): New function.
206 (Symbol_table::clone): New function.
207 * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions.
208 * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_,
209 tls_get_addr_, tls_get_addr_opt_): New vars.
210 (Target_powerpc::tls_get_addr_opt, tls_get_addr,
211 is_tls_get_addr_opt, replace_tls_get_addr,
212 set_has_tls_get_addr_opt, stk_linker): New functions.
213 (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add
214 target param. Update callers. Compare symbols rather than names.
215 (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_
216 and tls_get_addr_opt_.
217 (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr
218 sym to tls_get_addr_opt.
219 (Target_powerpc::Branch_info::make_stub): Likewise.
220 (Stub_table::define_stub_syms): Likewise.
221 (Target_powerpc::Scan::global): Likewise.
222 (Target_powerpc::Relocate::relocate): Likewise.
223 (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0,
224 ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0,
225 mtlr_11, std_11_1): New constants.
226 (Stub_table::eh_frame_added_): Delete.
227 (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars.
228 (Stub_table::init_plt_fde): New functions.
229 (Stub_table::add_eh_frame, replace_eh_frame): Move definition out
230 of line. Init and use plt_fde_.
231 (Stub_table::plt_call_size): Return size for tls_get_addr stub.
232 Extract alignment code to..
233 (Stub_table::plt_call_align): ..this new function. Adjust all callers.
234 (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and
235 tls_get_addr_opt_bctrl, and align after that.
236 (Stub_table::do_write): Write out tls_get_addr stub.
237 (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT
238 PPC_OPT_TLS/PPC64_OPT_TLS bit.
239 (Target_powerpc::Relocate::relocate): Don't check for or modify
240 nop following bl for tls_get_addr stub.
241
242 2017-08-29 Alan Modra <amodra@gmail.com>
243
244 * symtab.h (Symbol): Split u_ into u1_ and u2_. Adjust accessors
245 to suit. Move plt_offset_ before got_offsets_.
246 * symtab.cc (Symbol::init_fields): Adjust for union change.
247 (Symbol::init_base_output_data): Likewise.
248 (Symbol::init_base_output_segment): Likewise.
249 (Symbol::allocate_base_common): Likewise.
250 (Symbol::output_section): Likewise.
251 (Symbol::set_output_section): Likewise.
252 (Symbol::set_output_segment): Likewise.
253 * resolve.cc (Symbol::override_base): Likewise.
254 (Symbol::override_base_with_special): Likewise.
255
256 2017-08-28 Igor Kudrin <ikudrin@accesssoftek.com>
257
258 * aarch64.cc (Target_aarch64::Relocate::relocate_tls):
259 Make got_tlsdesc_offset signed and fix its calculation.
260 * testsuite/Makefile.am (aarch64_tlsdesc): New test.
261 * testsuite/Makefile.in: Regenerate.
262 * testsuite/aarch64_tlsdesc.s: New test source file.
263 * testsuite/aarch64_tlsdesc.sh: New test script.
264 * testsuite/aarch64_tlsdesc.t: New test linker script.
265
266 2017-08-28 Alan Modra <amodra@gmail.com>
267
268 PR 21847
269 * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
270 non_zero_localentry.
271 (Target_powerpc::resolve): New function.
272 (powerpc_info): Set has_resolve for 64-bit.
273 * target.h (Sized_target::resolve): Return bool.
274 * resolve.cc (Symbol_table::resolve): Continue with normal
275 processing when target resolve returns false.
276 * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
277 New accessors.
278 (Symbol::non_zero_localentry_): New flag bit.
279 * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
280
281 2017-08-08 Romain Geissler <romain.geissler@gmail.com>
282 Alan Modra <amodra@gmail.com>
283
284 * configure.ac: Add --enable-default-hash-style option.
285 * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
286 * configure: Regenerate.
287 * config.in: Regenerate.
288
289 2017-08-03 James Clarke <jrtc27@jrtc27.com>
290
291 * options.h (General_options): Set a non-NULL second help string
292 argument for relax to allow --no-relax.
293
294 2017-08-01 Alan Modra <amodra@gmail.com>
295
296 * ehframe.cc (Fde::operator==): New.
297 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
298 * ehframe.h (Fde::operator==): Declare.
299 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
300 * layout.cc (Layout::remove_eh_frame_for_plt): New.
301 * layout.h (Layout::remove_eh_frame_for_plt): Declare.
302 * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
303 (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
304 Don't add eh_frame for empty stub section.
305 (Stub_table::remove_eh_frame): New.
306
307 2017-07-31 Alan Modra <amodra@gmail.com>
308
309 * options.h (no_tls_optimize): New powerpc option.
310 * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
311 (Target_powerpc::stk_toc): Formatting, fix comment.
312 (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
313 tls_get_addr.
314 (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
315 Return TLSOPT_NONE when !tls_optimize.
316 (Target_powerpc::add_global_pair_with_rel): Check
317 for existing reloc before reserving.
318 (Target_powerpc::add_local_tls_pair): Likewise.
319
320 2017-07-31 Alan Modra <amodra@gmail.com>
321
322 PR 21847
323 * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
324 without ld.so checks.
325
326 2017-07-29 Alan Modra <amodra@gmail.com>
327
328 PR 21847
329 * powerpc.cc (Target_powerpc::scan_relocs): Default to
330 --no-plt-localentry.
331
332 2017-07-28 H.J. Lu <hongjiu.lu@intel.com>
333
334 PR gold/21857
335 * compressed_output.cc (Output_compressed_section::set_final_data_size):
336 Call put_ch_reserved to clear the reserved field for 64-bit ELF.
337
338 2017-07-26 H.J. Lu <hongjiu.lu@intel.com>
339
340 * mips.cc (Mips_relocate_functions): Add "llu" suffix to
341 0x800080008000.
342
343 2017-07-23 Alan Modra <amodra@gmail.com>
344
345 * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
346 restore of LR.
347 (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
348 possible insn.
349
350 2017-07-18 Nick Clifton <nickc@redhat.com>
351
352 PR 21775
353 * aarch64.cc: Fix spelling typos.
354 * arm.cc: Likewise.
355 * layout.cc: Likewise.
356 * powerpc.cc: Likewise.
357 * x86_64.cc: Likewise.
358
359 2017-07-12 Alan Modra <amodra@gmail.com>
360
361 * po/es.po: Update from translationproject.org/latest/gold/.
362 * po/fi.po: Likewise.
363 * po/fr.po: Likewise.
364 * po/id.po: Likewise.
365 * po/it.po: Likewise.
366 * po/vi.po: Likewise.
367 * po/zh_CN.po: Likewise.
368 * po/ja.po: New file from translationproject.org.
369 * po/sv.po: Likewise.
370 * po/uk.po: Likewise.
371
372 2017-07-06 Han Shen <shenhan@google.com>
373
374 PR gold/21491
375 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
376 (Erratum_stub::is_invalidated_erratum_stub): New method.
377 (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
378 (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
379 (Stub_table::relocate_erratum_stub): New method.
380 (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
381 "fix_errata".
382 (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
383
384 2017-06-23 Alan Modra <amodra@gmail.com>
385
386 * options.h (General_options): Add plt_localentry.
387 * powerpc.cc (Target_powerpc::st_other): New function.
388 (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
389 has_localentry0_): New vars.
390 (Target_powerpc::plt_localentry0, set_has_localentry0,
391 is_elfv2_localentry0): New functions.
392 (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
393 return true for localentry:0 calls.
394 (Stub_table::Plt_stub_ent::localentry0_): New var.
395 (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
396 Don't set r2save_ for localentry:0 calls.
397 (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
398 (Target_powerpc::scan_relocs): Default plt_localentry0_.
399 (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
400 (Target_powerpc::Relocate::relocate): Don't require nop following
401 calls for localentry:0 plt calls, and don't change nop.
402
403 2017-06-23 Alan Modra <amodra@gmail.com>
404
405 * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
406 (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
407 (Target_powerpc::Branch_info::tocsave_): New var.
408 (Target_powerpc::Branch_info::mark_pltcall): New function.
409 (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
410 add_plt_call_entry.
411 (Stub_table::Plt_stub_ent): Make public. Add r2save_.
412 (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set
413 r2save_.
414 (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust
415 use throughout.
416 (Stub_table::do_write): Conditionally output r2 save in plt stubs.
417 (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
418 (Target_powerpc::Scan::global): Likewise.
419 (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
420 with tocsave reloc. Replace header tocsave nop with r2 save.
421 * symtab.h (struct Symbol_location_hash): Make public.
422
423 2017-06-21 Alan Modra <amodra@gmail.com>
424
425 * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent. Remove indx_.
426 (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
427 (struct Plt_stub_ent): New.
428 (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent. Adjust
429 use throughout file.
430
431 2017-06-20 Eric Christopher <echristo@gmail.com>
432
433 * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
434 calculate the symbol value.
435 (scan_reloc_section_for_stubs): Allow stubs to be created for
436 section symbols.
437 (maybe_apply_stub): Handle creating stubs for weak symbols to
438 match the code in scan_reloc_for_stub.
439
440 2017-06-20 James Clarke <jrtc27@jrtc27.com>
441
442 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
443 uniq_ value.
444
445 2017-06-15 Eric Christopher <echristo@gmail.com>
446
447 * aarch64.cc: Fix a few typos and grammar-os.
448
449 2017-06-15 Jiong Wang <jiong.wang@arm.com>
450
451 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
452 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
453 Return ture for some TLS relaxed sequences.
454
455 2017-06-07 Eric Christopher <echristo@gmail.com>
456
457 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
458 up stubs to undefined symbols and early return rather than
459 fail to look them up.
460 (scan_reloc_for_stub): Add debug logging for no stub creation
461 for undefined symbols.
462
463 2017-05-23 Alan Modra <amodra@gmail.com>
464
465 PR 21503
466 * options.h: Add --emit-stub-syms option.
467 * powerpc.cc (object_id): New.
468 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
469 better packing.
470 (Powerpc_dynobj): Sort variables for better packing.
471 (Target_powerpc::define_local): New function.
472 (Target_powerpc::group_sections): Pass stub table size to
473 Stub_table constructor.
474 (Target_powerpc::do_relax): Define stub and glink symbols.
475 (Stub_table): Add uniq_ variable, and id param to constructor.
476 (Stub_table::Plt_stub_ent): Add indx_ variable.
477 (Stub_table::Branch_stub_entries): Move typedef earlier.
478 (Stub_table::branch_stub_size): Replace "to" parameter with a
479 Branch_stub_entries iterator.
480 (Stub_table::add_long_branch_entry): Adjust to suit.
481 (Stub_table::add_plt_call_entry): Set indx_.
482 (Stub_table::define_stub_syms): New function.
483
484 2017-05-15 Eric Christopher <echristo@gmail.com>
485
486 * layout.cc (Layout::segment_precedes): Add a case for testing
487 pointer equality when determining which segment precedes
488 another.
489
490 2017-05-13 James Clarke <jrtc27@jrtc27.com>
491
492 PR gold/21444
493 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
494 variables are final for position-independent executables. This
495 has to be consistent with Target_sparc::Scan::local otherwise
496 they will disagree as to whether local-exec is used.
497
498 2017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
499
500 PR gold/21430
501 * aarch64.cc
502 (AArch64_relobj::convert_input_section_to_relaxed_section):
503 Set the section offset to -1ULL.
504 (Target_aarch64::relocate_section): Adjust the view in case
505 of a relaxed input section.
506 * testsuite/Makefile.am (pr21430): New test.
507 * testsuite/Makefile.in: Regenerate
508 * testsuite/pr21430.s: New test source file.
509 * testsuite/pr21430.sh: New test script.
510
511 2017-04-27 Alan Modra <amodra@gmail.com>
512
513 * testsuite/plugin_section_order.c (onload): Add missing break.
514
515 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
516
517 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
518 possibility of collisions.
519 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
520 entries.
521
522 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
523
524 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
525 member.
526 (Mips_relobj::merge_processor_specific_data): New method.
527 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
528 to false, only if the input file is a binary or if object has no
529 contents except the section name string table and an empty symbol
530 table with the undefined symbol.
531 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
532 for merging processor-specific data.
533
534 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
535
536 * mips.cc (Target_mips::Relocate::calculated_value_): New data
537 member.
538 (Target_mips::Relocate::calculate_only_): Likewise.
539 (Target_mips::Relocate::relocate): Handle multiple consecutive
540 relocations with the same offset.
541
542 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
543
544 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
545 checks for relocatable link.
546 (Mips_relocate_functions::reljalr): Likewise.
547
548 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
549
550 * mips.cc (class Mips_output_section_options): New class.
551 (Target_mips::do_make_output_section): New method.
552
553 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
554
555 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
556 overflow error message.
557 (Target_mips::relocate_special_relocatable): Improve relocation
558 overflow error message.
559 (Target_mips::Relocate::relocate): Likewise.
560
561 2017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
562
563 * mips.cc (symbol_refs_local): Return false if a symbol
564 is from a dynamic object.
565 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
566 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
567 STB_LOCAL.
568 (Target_mips::do_finalize_sections): Set _gp after all the checks
569 for creating .got are done.
570 (Target_mips::Scan::global): Remove unused code.
571
572 2017-02-22 Alan Modra <amodra@gmail.com>
573
574 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
575 output_section exists before attempting add_output_section_data.
576 (Target_powerpc::make_brlt_section): Likewise.
577
578 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
579
580 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
581 gold_unreachable from default case.
582
583 2017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
584
585 PR gold/21111
586 * mips.cc (Mips_relocate_functions::relhigher): New method.
587 (Mips_relocate_functions::relhighest): Likewise.
588 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
589 R_MIPS_HIGHEST.
590 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
591 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
592 (Target_mips::Scan::global): Likewise.
593 (Target_mips::Scan::get_reference_flags): Likewise.
594 (Target_mips::Relocate::relocate): Call static methods for resolving
595 HIGHER and HIGHEST relocations.
596
597 2017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
598
599 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
600 Return true even when building pie binaries.
601 (Target_x86_64::possible_function_pointer_reloc): Check opcode
602 for R_X86_64_PC32 relocations.
603 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
604 extra arguments to local_reloc_may_be_function_pointer.
605 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
606 * gc.h (gc_process_relocs): Add check for STT_FUNC.
607 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
608 * testsuite/Makefile.in: Regenerate.
609 * testsuite/icf_safe_pie_test.sh: New shell script.
610
611 2017-02-03 Alan Modra <amodra@gmail.com>
612
613 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
614 when no .toc section exists.
615
616 2017-01-31 Cary Coutant <ccoutant@gmail.com>
617
618 PR gold/21090
619 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
620 for predefined symbol.
621 (Target_x86_64::Relocate::relocate): Fix formatting.
622
623 2017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
624
625 * testsuite/icf_safe_so_test.sh: Use "set -e".
626 * testsuite/icf_safe_test.sh: Likewise.
627 * testsuite/icf_test.sh: Likewise.
628
629 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
630
631 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
632 type.
633 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
634 point to .plt.
635
636 2017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
637
638 PR gold/21054
639 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
640 to the dynamic symbol table if it is forced to local visibility.
641 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
642 dynamic symbol table if it is forced to local visibility.
643
644 2017-01-20 Nick Clifton <nickc@redhat.com>
645
646 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
647 from a pointer to an array.
648
649 2017-01-13 H.J. Lu <hongjiu.lu@intel.com>
650
651 PR gold/21040
652 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
653 Cast 0x80008000 to uint64_t.
654
655 2017-01-12 Cary Coutant <ccoutant@gmail.com>
656
657 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
658
659 2017-01-11 Cary Coutant <ccoutant@gmail.com>
660
661 PR gold/21040
662 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
663 Remove unnecessary 'typename' keyword.
664 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
665 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
666 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
667 (Output_data_plt_x86_64_bnd::do_write): Likewise.
668
669 2017-01-11 Cary Coutant <ccoutant@gmail.com>
670
671 PR gold/21040
672 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
673 Remove unnecessary 'typename' keyword.
674 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
675 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
676 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
677 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
678 declarations.
679
680 2017-01-11 Cary Coutant <ccoutant@gmail.com>
681
682 PR gold/21039
683 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
684 * testsuite/script_test_15a.sh: Likewise.
685 * testsuite/script_test_15b.sh: Likewise.
686 * testsuite/script_test_15c.sh: Likewise.
687
688 2017-01-11 Alan Modra <amodra@gmail.com>
689
690 * powerpc.cc (class Powerpc_copy_relocs): New.
691 (Powerpc_copy_relocs::emit): New function.
692 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
693 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
694 (Powerpc_relobj::do_relocate_sections): New function.
695 (Powerpc_relobj::make_toc_relative): Likewise.
696 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
697 and .toc too.
698 (ok_lo_toc_insn): Move earlier, and handle more insns.
699 (Target_powerpc::Scan::local): If optimizing toc accesses, set
700 no_toc_opt for entries we can't edit. Check insn validity.
701 Emit "toc optimization is not supported" warning, downgraded
702 from error.
703 (Target_powerpc::Scan::global): Likewise.
704 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
705 to TOC relative. Don't emit "toc optimization is not supported"
706 error here.
707
708 2017-01-10 Cary Coutant <ccoutant@gmail.com>
709
710 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
711 Sized_relobj_file::relocate_section_range().
712 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
713 * object.h (Sized_relobj_file::relocate_section_range): New method.
714 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
715 implementation...
716 (Sized_relobj_file::relocate_section_range): ...to new method.
717
718 2017-01-10 Alan Modra <amodra@gmail.com>
719
720 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
721 _GLOBAL_OFFSET_TABLE_. Allow zero count.
722 * testsuite/copy_test_relro_1.cc (c, q): New vars.
723 * testsuite/copy_test_relro.cc: Rewrite to test read-only
724 status of variables directly. Reference new vars in
725 read-only data.
726
727 2017-01-10 Alan Modra <amodra@gmail.com>
728
729 * options.h: Add --secure-plt option.
730 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
731 on -fPIC -mbss-plt code.
732 (Target_powerpc::Scan::global): Likewise.
733
734 2017-01-09 Alan Modra <amodra@gmail.com>
735
736 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
737 ".rela.plt" at ".plt".
738
739 2017-01-07 Alan Modra <amodra@gmail.com>
740
741 * powerpc.cc: Use shorter equivalent elfcpp typedef for
742 Reltype and reloc_size throughout.
743 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
744 (Target_powerpc::Scan::local): Use local var r_sym.
745 (Target_powerpc::Scan::global: Likewise.
746 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
747
748 2017-01-02 Alan Modra <amodra@gmail.com>
749
750 Update year range in copyright notice of all files.
751
752 For older changes see ChangeLog-2016
753 \f
754 Copyright (C) 2017 Free Software Foundation, Inc.
755
756 Copying and distribution of this file, with or without modification,
757 are permitted in any medium without royalty provided the copyright
758 notice and this notice are preserved.
759
760 Local Variables:
761 mode: change-log
762 left-margin: 8
763 fill-column: 74
764 version-control: never
765 End: