gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / gold / ChangeLog-2017
CommitLineData
1e563868
AM
12017-12-15 Alan Modra <amodra@gmail.com>
2
3 PR 22602
4 * powerpc.cc (Target_powerpc::Branch_info::mark_pltcall): Resolve
5 forwards before replacing __tls_get_addr.
6 (Target_powerpc::Branch_info::make_stub): Likewise.
7
82017-12-11 Stephen Crane <sjc@immunant.com>
9
10 * plugin.cc (Plugin::load): Include hooks for register_new_input
11 in transfer vector.
12 (Plugin::new_input): New function.
13 (register_new_input): New function.
14 (Plugin_manager::claim_file): Call Plugin::new_input if in
15 replacement phase.
16 * plugin.h (Plugin::set_new_input_handler): New function.
17 * testsuite/plugin_new_section_layout.c: New plugin to test
18 new_input plugin API.
19 * testsuite/plugin_final_layout.sh: Add new input test.
20 * testsuite/Makefile.am (plugin_layout_new_file): New test case.
21 * testsuite/Makefile.in: Regenerate.
22
232017-12-02 Vladimir Kondratyev <vladimir@kondratyev.su>
24 Cary Coutant <ccoutant@gmail.com>
25
26 PR gold/22540
27 * output.cc (gold_fallocate): Trivial return for len == 0.
28 Add fallback options when posix_fallocate and fallocate return
29 not-supported errors.
30
312017-12-01 Cary Coutant <ccoutant@gmail.com>
32
33 PR gold/21090
34 * incremental.cc (Sized_relobj_incr::do_relocate): Fix comment.
35 * options.cc (General_options::finalize): Disallow -pie with
36 incremental linking.
37 * x86_64.cc (Target_x86_64::Scan::local): Don't do mov-to-lea
38 or callq-to-direct optimizations for incremental links.
39 (Target_x86_64::Scan::global): Likewise.
40 (Target_x86_64::Relocate::relocate): Likewise.
41 * testsuite/Makefile.am (incremental_test): Force -no-pie.
42 (incremental_test_2): Likewise.
43 (incremental_test_3): Likewise.
44 (incremental_test_4): Likewise.
45 (incremental_test_5): Likewise.
46 (incremental_test_6): Likewise.
47 (incremental_copy_test): Likewise.
48 (incremental_common_test_1): Likewise.
49 (incremental_comdat_test_1): Likewise.
50 * testsuite/Makefile.in: Regenerate.
51
522017-12-01 Cary Coutant <ccoutant@gmail.com>
53
54 PR gold/21841
55 * testsuite/debug_msg.sh: Adjust expected line numbers.
56 * testsuite/odr_violation2.cc (DummyFunction): New function.
57
582017-12-01 Cary Coutant <ccoutant@gmail.com>
59
60 PR gold/22309
61 * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): Compile with
62 no EH information.
63 (two_file_test_1_ndebug.o): Likewise.
64 * testsuite/Makefile.in: Regenerate.
65 * testsuite/two_file_test_1.cc: Touch to force recompilation with new
66 flags.
67 * testsuite/two_file_test_1_v1.cc: Likewise.
68
692017-12-01 Cary Coutant <ccoutant@gmail.com>
70
71 PR gold/22042
72 * options.h (-fuse-ld): Use NULL instead of empty string.
73
742017-12-01 Benjamin Peterson <bp@benjamin.pe>
75
76 PR gold/22406
77 * gold.cc (queue_initial_tasks) Check for number of real input files.
78 * options.cc (Command_line::process) Check for unterminated --start-lib
79 options.
80 * testsuite/Makefile.am: Add new test script.
81 * testsuite/Makefile.in: Regenerate.
82 * testsuite/check_empty_command_lines.sh: New test script.
83
842017-11-17 Stephen Crane <sjc@immunant.com>
85
86 PR gold/22448
87 * symtab.cc (Symbol_table::add_from_object): Only rescan for
88 undefined symbols in regular, not dynamic, objects.
89
902017-11-30 Peter Smith <peter.smith@linaro.org>
91
92 PR gold/20765
93 * aarch64.cc (Aarch64_relobj::update_erratum_address): New method.
94 (AArch64_relobj::scan_errata): Update addresses in stub table after
95 relaxation pass.
96
972017-11-30 Peter Smith <peter.smith@linaro.org>
98 Cary Coutant <ccoutant@gmail.com>
99
100 PR gold/20765
101 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): Use erratum_insn_
102 instead of relobj_ to invalidate the stub.
103 (Erratum_stub::is_invalidated_erratum_stub): Likewise.
104
1052017-11-30 Peter Smith <peter.smith@linaro.org>
106
107 PR gold/22233
108 * aarch64.cc (AArch64_relobj::fix_errata_and_relocate_erratum_stubs):
109 Fix calculation of stub address.
110
1112017-11-29 Stefan Stroe <stroestefan@gmail.com>
112
113 * po/Make-in (datadir): Define as @datadir@.
114 (localedir): Define as @localedir@.
115 (gnulocaledir, gettextsrcdir): Use @datarootdir@.
116
1172017-11-28 Cary Coutant <ccoutant@gmail.com>
118
119 * resolve.cc (Symbol_table::resolve): Allow multiply-defined absolute
120 symbols when they have the same value.
121
1222017-11-28 Cary Coutant <ccoutant@gmail.com>
123
124 * object.h (class Sized_relobj_file): Remove discarded_eh_frame_shndx_.
125 * object.cc (Sized_relobj_file::Sized_relobj_file): Likewise.
126 (Sized_relobj_file::layout_eh_frame_section): Likewise.
127 (Sized_relobj_file::do_count_local_symbols): Check for optimized
128 .eh_frame section by other means.
129 (Sized_relobj_file::compute_final_local_value_internal): Likewise.
130
1312017-11-28 H.J. Lu <hongjiu.lu@intel.com>
132
133 * testsuite/pr22266_a.c: Add a newline at end of file.
134
1352017-11-27 Cary Coutant <ccoutant@gmail.com>
136
137 PR gold/19291
138 PR gold/22266
139 * object.cc (Sized_relobj_file::compute_final_local_value_internal):
140 Revert changes from 2017-11-08 patch. Adjust symbol value in
141 relocatable links for non-section symbols.
142 (Sized_relobj_file::compute_final_local_value): Revert changes from
143 2017-11-08 patch.
144 (Sized_relobj_file::do_finalize_local_symbols): Likewise.
145 (Sized_relobj_file::write_local_symbols): Revert changes from
146 2015-11-25 patch.
147 * object.h (Sized_relobj_file::compute_final_local_value_internal):
148 Revert changes from 2017-11-08 patch.
149 * powerpc.cc (Target_powerpc::relocate_relocs): Adjust addend for
150 relocatable links.
151 * target-reloc.h (relocate_relocs): Adjust addend for relocatable links.
152 * testsuite/pr22266_a.c (hello): New function.
153 * testsuite/pr22266_main.c (main): Add test for merge sections.
154 * testsuite/pr22266_script.t: Add rule for .rodata.
155
1562017-11-19 Ian Lance Taylor <iant@google.com>
157 Cary Coutant <ccoutant@gmail.com>
158
159 * dwarf_reader.h (class Dwarf_info_reader): Add ref_addr_size
160 method.
161 * dwarf_reader.cc (Dwarf_die::read_attributes): Use ref_addr_size
162 for DW_FORM_ref_addr_size.
163 (Dwarf_die::skip_attributes): Likewise.
164
1652017-11-08 H.J. Lu <hongjiu.lu@intel.com>
166
167 PR gold/22291
168 * layout.cc (Layout::define_section_symbols): Use STV_PROTECTED
169 for __start and __stop symbols.
170 * symtab.cc (Symbol_table::define_special_symbol): Add an
171 argument, visibility. Ignore definition and reference from
172 a dynamic object, depending on visibility.
173 (Symbol_table::do_define_in_output_data): Pass visibility to
174 define_special_symbol.
175 (Symbol_table::do_define_in_output_segment): Likewise.
176 (Symbol_table::do_define_as_constant): Likewise.
177 (Symbol_table::add_undefined_symbol_from_command_line): Pass
178 STV_DEFAULT to define_special_symbol.
179 * symtab.h (Symbol_table::define_special_symbol): Add an
180 argument, visibility.
181
1822017-11-08 James Clarke <jrtc27@jrtc27.com>
183
184 PR gold/22266
185 * object.cc (Sized_relobj_file::compute_final_local_value_internal):
186 Drop relocatable parameter and stop adjusting output value based on
187 it.
188 (Sized_relobj_file::compute_final_local_value): Stop passing
189 relocatable to compute_final_local_value_internal.
190 (Sized_relobj_file::do_finalize_local_symbols): Ditto.
191 * object.h (Sized_relobj_file::compute_final_local_value_internal):
192 Drop relocatable parameter.
193
1942017-11-08 Kyle Butt <iteratee@google.com>
195
196 * object.cc (do_find_special_sections): Fix a thinko with memmem return
197 values and check for != NULL rather than == 0.
198
1992017-11-07 Alan Modra <amodra@gmail.com>
200
201 * system.h (textdomain, bindtextdomain): Use safer "do nothing".
202 (ngettext, dngettext, dcngettext): Define when !ENABLE_NLS.
203
2042017-10-25 Alan Modra <amodra@gmail.com>
205
206 * symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
207 optionally prefixed with "_".
208
2092017-10-20 Sriraman Tallam <tmsriram@google.com>
210
211 * options.h (-z,text_unlikely_segment): New option.
212 * layout.cc (Layout::layout): Create new output section
213 for .text.unlikely sections with the new option.
214 (Layout::segment_precedes): Check for the new option
215 when segment flags match.
216 * testsuite/text_unlikely_segment.cc: New test source.
217 * testsuite/text_unlikely_segment.sh: New test script.
218 * testsuite/Makefile.am (text_unlikely_segment): New test.
219 * testsuite/Makefile.in: Regenerate.
220
2212017-10-19 Umesh Kalappa <ukalappa@cisco.com>
222
223 * arm.cc (Stub::do_fixed_endian_write):Far call stubs support for arm
224 in the be8 mode.
225 * testsuite/Makefile.am: New test cases.
226 * testsuite/Makefile.in: Regenerate.
227 * testsuite/arm_farcall_arm_arm_be8.sh: New script for arm to arm far
228 call stubs.
229 * testsuite/arm_farcall_thumb_thumb_be8.sh: New script for thumb to
230 thumb far call stubs.
231
2322017-10-18 Kyle Butt <iteratee@google.com>
233 Alan Modra <amodra@gmail.com>
234
235 * powerpc.cc (Target_powerpc::Scan::local): Correct dst_off
236 calculation for TOC16 relocs.
237 (Target_powerpc::Scan::global): Likewise.
238
2392017-09-26 Cary Coutant <ccoutant@gmail.com>
240
241 PR gold/22213
242 * sparc.cc (Target_sparc): Fix incorrect register mask.
243
2442017-09-22 Jim Wilson <jim.wilson@linaro.org>
245
246 * aarch64.cc (Target_aarch64::aarch64_info): Set
247 is_default_stack_executable to false.
248
2492017-09-22 Alan Modra <amodra@gmail.com>
250
251 * resolve.cc (clone): Fix got_offset_list test.
252
2532017-09-22 Alan Modra <amodra@gmail.com>
254
255 * powerpc.cc (Target_powerpc<64,*>::powerpc_info): Set
256 is_default_stack_executable false.
257
2582017-09-20 Teresa Johnson <tejohnson@google.com>
259
260 * plugin.cc (is_visible_from_outside): Check for export dynamic symbol
261 option and list.
262 * testsuite/Makefile.am (plugin_test_12): New test.
263 * testsuite/Makefile.in: Regenerate.
264 * testsuite/export_dynamic_plugin.cc: New test source.
265 * testsuite/plugin_test_12.sh: New test script.
266
2672017-09-20 Alan Modra <amodra@gmail.com>
268
269 * powerpc.cc (Target_powerpc::Branch_info::make_stub): Put
270 stubs for ppc32 non-branch relocs in first stub table.
271 (Target_powerpc::Relocate::relocate): Resolve similarly.
272
2732017-09-19 Alan Modra <amodra@gmail.com>
274
275 * options.h (stub-group-multi): Default to true. Add
276 --no-stub-group-multi.
277
2782017-08-30 Alan Modra <amodra@gmail.com>
279
280 * powerpc.cc (Target_powerpc::Relocate::relocate): Nop addis on
281 TPREL16_HA, and convert insn on TPREL16_LO and TPREL16_LO_DS
282 relocs to use r2/r13 when addis would add zero.
283
2842017-08-29 Alan Modra <amodra@gmail.com>
285
286 * options.h (tls_get_addr_optimize): New option.
287 * symtab.h (Symbol::clear_in_reg, clone): New functions.
288 (Sized_symbol::clone): New function.
289 (Symbol_table::clone): New function.
290 * resolve.cc (Symbol::clone, Sized_symbol::clone): New functions.
291 * powerpc.cc (Target_powerpc::has_tls_get_addr_opt_,
292 tls_get_addr_, tls_get_addr_opt_): New vars.
293 (Target_powerpc::tls_get_addr_opt, tls_get_addr,
294 is_tls_get_addr_opt, replace_tls_get_addr,
295 set_has_tls_get_addr_opt, stk_linker): New functions.
296 (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call): Add
297 target param. Update callers. Compare symbols rather than names.
298 (Target_powerpc::do_define_standard_symbols): Init tls_get_addr_
299 and tls_get_addr_opt_.
300 (Target_powerpc::Branch_info::mark_pltcall): Translate tls_get_addr
301 sym to tls_get_addr_opt.
302 (Target_powerpc::Branch_info::make_stub): Likewise.
303 (Stub_table::define_stub_syms): Likewise.
304 (Target_powerpc::Scan::global): Likewise.
305 (Target_powerpc::Relocate::relocate): Likewise.
306 (add_3_12_2, add_3_12_13, bctrl, beqlr, cmpdi_11_0, cmpwi_11_0,
307 ld_11_1, ld_11_3, ld_12_3, lwz_11_3, lwz_12_3, mr_0_3, mr_3_0,
308 mtlr_11, std_11_1): New constants.
309 (Stub_table::eh_frame_added_): Delete.
310 (Stub_table::tls_get_addr_opt_bctrl_, plt_fde_len_, plt_fde_): New vars.
311 (Stub_table::init_plt_fde): New functions.
312 (Stub_table::add_eh_frame, replace_eh_frame): Move definition out
313 of line. Init and use plt_fde_.
314 (Stub_table::plt_call_size): Return size for tls_get_addr stub.
315 Extract alignment code to..
316 (Stub_table::plt_call_align): ..this new function. Adjust all callers.
317 (Stub_table::add_plt_call_entry): Set has_tls_get_addr_opt and
318 tls_get_addr_opt_bctrl, and align after that.
319 (Stub_table::do_write): Write out tls_get_addr stub.
320 (Target_powerpc::do_finalize_sections): Emit DT_PPC_OPT
321 PPC_OPT_TLS/PPC64_OPT_TLS bit.
322 (Target_powerpc::Relocate::relocate): Don't check for or modify
323 nop following bl for tls_get_addr stub.
324
3252017-08-29 Alan Modra <amodra@gmail.com>
326
327 * symtab.h (Symbol): Split u_ into u1_ and u2_. Adjust accessors
328 to suit. Move plt_offset_ before got_offsets_.
329 * symtab.cc (Symbol::init_fields): Adjust for union change.
330 (Symbol::init_base_output_data): Likewise.
331 (Symbol::init_base_output_segment): Likewise.
332 (Symbol::allocate_base_common): Likewise.
333 (Symbol::output_section): Likewise.
334 (Symbol::set_output_section): Likewise.
335 (Symbol::set_output_segment): Likewise.
336 * resolve.cc (Symbol::override_base): Likewise.
337 (Symbol::override_base_with_special): Likewise.
338
3392017-08-28 Igor Kudrin <ikudrin@accesssoftek.com>
340
341 * aarch64.cc (Target_aarch64::Relocate::relocate_tls):
342 Make got_tlsdesc_offset signed and fix its calculation.
343 * testsuite/Makefile.am (aarch64_tlsdesc): New test.
344 * testsuite/Makefile.in: Regenerate.
345 * testsuite/aarch64_tlsdesc.s: New test source file.
346 * testsuite/aarch64_tlsdesc.sh: New test script.
347 * testsuite/aarch64_tlsdesc.t: New test linker script.
348
3492017-08-28 Alan Modra <amodra@gmail.com>
350
351 PR 21847
352 * powerpc.cc (Target_powerpc::is_elfv2_localentry0): Test
353 non_zero_localentry.
354 (Target_powerpc::resolve): New function.
355 (powerpc_info): Set has_resolve for 64-bit.
356 * target.h (Sized_target::resolve): Return bool.
357 * resolve.cc (Symbol_table::resolve): Continue with normal
358 processing when target resolve returns false.
359 * symtab.h (Symbol::non_zero_localentry, set_non_zero_localentry):
360 New accessors.
361 (Symbol::non_zero_localentry_): New flag bit.
362 * symtab.cc (Symbol::init_fields): Init non_zero_localentry_.
363
3642017-08-08 Romain Geissler <romain.geissler@gmail.com>
365 Alan Modra <amodra@gmail.com>
366
367 * configure.ac: Add --enable-default-hash-style option.
368 * options.h (hash_style): Use DEFAULT_HASH_STYLE as default value.
369 * configure: Regenerate.
370 * config.in: Regenerate.
371
3722017-08-03 James Clarke <jrtc27@jrtc27.com>
373
374 * options.h (General_options): Set a non-NULL second help string
375 argument for relax to allow --no-relax.
376
3772017-08-01 Alan Modra <amodra@gmail.com>
378
379 * ehframe.cc (Fde::operator==): New.
380 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
381 * ehframe.h (Fde::operator==): Declare.
382 (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
383 * layout.cc (Layout::remove_eh_frame_for_plt): New.
384 * layout.h (Layout::remove_eh_frame_for_plt): Declare.
385 * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
386 (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
387 Don't add eh_frame for empty stub section.
388 (Stub_table::remove_eh_frame): New.
389
3902017-07-31 Alan Modra <amodra@gmail.com>
391
392 * options.h (no_tls_optimize): New powerpc option.
393 * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
394 (Target_powerpc::stk_toc): Formatting, fix comment.
395 (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
396 tls_get_addr.
397 (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
398 Return TLSOPT_NONE when !tls_optimize.
399 (Target_powerpc::add_global_pair_with_rel): Check
400 for existing reloc before reserving.
401 (Target_powerpc::add_local_tls_pair): Likewise.
402
4032017-07-31 Alan Modra <amodra@gmail.com>
404
405 PR 21847
406 * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
407 without ld.so checks.
408
4092017-07-29 Alan Modra <amodra@gmail.com>
410
411 PR 21847
412 * powerpc.cc (Target_powerpc::scan_relocs): Default to
413 --no-plt-localentry.
414
4152017-07-28 H.J. Lu <hongjiu.lu@intel.com>
416
417 PR gold/21857
418 * compressed_output.cc (Output_compressed_section::set_final_data_size):
419 Call put_ch_reserved to clear the reserved field for 64-bit ELF.
420
4212017-07-26 H.J. Lu <hongjiu.lu@intel.com>
422
423 * mips.cc (Mips_relocate_functions): Add "llu" suffix to
424 0x800080008000.
425
4262017-07-23 Alan Modra <amodra@gmail.com>
427
428 * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
429 restore of LR.
430 (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
431 possible insn.
432
4332017-07-18 Nick Clifton <nickc@redhat.com>
434
435 PR 21775
436 * aarch64.cc: Fix spelling typos.
437 * arm.cc: Likewise.
438 * layout.cc: Likewise.
439 * powerpc.cc: Likewise.
440 * x86_64.cc: Likewise.
441
4422017-07-12 Alan Modra <amodra@gmail.com>
443
444 * po/es.po: Update from translationproject.org/latest/gold/.
445 * po/fi.po: Likewise.
446 * po/fr.po: Likewise.
447 * po/id.po: Likewise.
448 * po/it.po: Likewise.
449 * po/vi.po: Likewise.
450 * po/zh_CN.po: Likewise.
451 * po/ja.po: New file from translationproject.org.
452 * po/sv.po: Likewise.
453 * po/uk.po: Likewise.
454
4552017-07-06 Han Shen <shenhan@google.com>
456
457 PR gold/21491
458 * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
459 (Erratum_stub::is_invalidated_erratum_stub): New method.
460 (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
461 (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
462 (Stub_table::relocate_erratum_stub): New method.
463 (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
464 "fix_errata".
465 (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
466
4672017-06-23 Alan Modra <amodra@gmail.com>
468
469 * options.h (General_options): Add plt_localentry.
470 * powerpc.cc (Target_powerpc::st_other): New function.
471 (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
472 has_localentry0_): New vars.
473 (Target_powerpc::plt_localentry0, set_has_localentry0,
474 is_elfv2_localentry0): New functions.
475 (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
476 return true for localentry:0 calls.
477 (Stub_table::Plt_stub_ent::localentry0_): New var.
478 (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
479 Don't set r2save_ for localentry:0 calls.
480 (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
481 (Target_powerpc::scan_relocs): Default plt_localentry0_.
482 (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
483 (Target_powerpc::Relocate::relocate): Don't require nop following
484 calls for localentry:0 plt calls, and don't change nop.
485
4862017-06-23 Alan Modra <amodra@gmail.com>
487
488 * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
489 (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
490 (Target_powerpc::Branch_info::tocsave_): New var.
491 (Target_powerpc::Branch_info::mark_pltcall): New function.
492 (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
493 add_plt_call_entry.
494 (Stub_table::Plt_stub_ent): Make public. Add r2save_.
495 (Stub_table::add_plt_call_entry): Add bool tocsave_ param. Set
496 r2save_.
497 (Stub_table::find_plt_call_entry): Return Plt_stub_ent*. Adjust
498 use throughout.
499 (Stub_table::do_write): Conditionally output r2 save in plt stubs.
500 (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
501 (Target_powerpc::Scan::global): Likewise.
502 (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
503 with tocsave reloc. Replace header tocsave nop with r2 save.
504 * symtab.h (struct Symbol_location_hash): Make public.
505
5062017-06-21 Alan Modra <amodra@gmail.com>
507
508 * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent. Remove indx_.
509 (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
510 (struct Plt_stub_ent): New.
511 (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent. Adjust
512 use throughout file.
513
5142017-06-20 Eric Christopher <echristo@gmail.com>
515
516 * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
517 calculate the symbol value.
518 (scan_reloc_section_for_stubs): Allow stubs to be created for
519 section symbols.
520 (maybe_apply_stub): Handle creating stubs for weak symbols to
521 match the code in scan_reloc_for_stub.
522
5232017-06-20 James Clarke <jrtc27@jrtc27.com>
524
525 * powerpc.cc (Stub_table::define_stub_syms): Always include object's
526 uniq_ value.
527
5282017-06-15 Eric Christopher <echristo@gmail.com>
529
530 * aarch64.cc: Fix a few typos and grammar-os.
531
5322017-06-15 Jiong Wang <jiong.wang@arm.com>
533
534 * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
535 (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
536 Return ture for some TLS relaxed sequences.
537
5382017-06-07 Eric Christopher <echristo@gmail.com>
539
540 * aarch64.cc (maybe_apply_stub): Add debug logging for looking
541 up stubs to undefined symbols and early return rather than
542 fail to look them up.
543 (scan_reloc_for_stub): Add debug logging for no stub creation
544 for undefined symbols.
545
5462017-05-23 Alan Modra <amodra@gmail.com>
547
548 PR 21503
549 * options.h: Add --emit-stub-syms option.
550 * powerpc.cc (object_id): New.
551 (Powerpc_relobj): Add uniq_ and accessor. Sort variables for
552 better packing.
553 (Powerpc_dynobj): Sort variables for better packing.
554 (Target_powerpc::define_local): New function.
555 (Target_powerpc::group_sections): Pass stub table size to
556 Stub_table constructor.
557 (Target_powerpc::do_relax): Define stub and glink symbols.
558 (Stub_table): Add uniq_ variable, and id param to constructor.
559 (Stub_table::Plt_stub_ent): Add indx_ variable.
560 (Stub_table::Branch_stub_entries): Move typedef earlier.
561 (Stub_table::branch_stub_size): Replace "to" parameter with a
562 Branch_stub_entries iterator.
563 (Stub_table::add_long_branch_entry): Adjust to suit.
564 (Stub_table::add_plt_call_entry): Set indx_.
565 (Stub_table::define_stub_syms): New function.
566
5672017-05-15 Eric Christopher <echristo@gmail.com>
568
569 * layout.cc (Layout::segment_precedes): Add a case for testing
570 pointer equality when determining which segment precedes
571 another.
572
5732017-05-13 James Clarke <jrtc27@jrtc27.com>
574
575 PR gold/21444
576 * gold.cc (Target_sparc::Relocate::relocate_tls): Local
577 variables are final for position-independent executables. This
578 has to be consistent with Target_sparc::Scan::local otherwise
579 they will disagree as to whether local-exec is used.
580
5812017-05-12 Igor Kudrin <ikudrin@accesssoftek.com>
582
583 PR gold/21430
584 * aarch64.cc
585 (AArch64_relobj::convert_input_section_to_relaxed_section):
586 Set the section offset to -1ULL.
587 (Target_aarch64::relocate_section): Adjust the view in case
588 of a relaxed input section.
589 * testsuite/Makefile.am (pr21430): New test.
590 * testsuite/Makefile.in: Regenerate
591 * testsuite/pr21430.s: New test source file.
592 * testsuite/pr21430.sh: New test script.
593
5942017-04-27 Alan Modra <amodra@gmail.com>
595
596 * testsuite/plugin_section_order.c (onload): Add missing break.
597
5982017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
599
600 * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
601 possibility of collisions.
602 (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
603 entries.
604
6052017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
606
607 * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
608 member.
609 (Mips_relobj::merge_processor_specific_data): New method.
610 (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
611 to false, only if the input file is a binary or if object has no
612 contents except the section name string table and an empty symbol
613 table with the undefined symbol.
614 (Target_mips::do_finalize_sections): Refactor. Skip empty object files
615 for merging processor-specific data.
616
6172017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
618
619 * mips.cc (Target_mips::Relocate::calculated_value_): New data
620 member.
621 (Target_mips::Relocate::calculate_only_): Likewise.
622 (Target_mips::Relocate::relocate): Handle multiple consecutive
623 relocations with the same offset.
624
6252017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
626
627 * mips.cc (Target_mips::Relocate::relocate): Remove redundant
628 checks for relocatable link.
629 (Mips_relocate_functions::reljalr): Likewise.
630
6312017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
632
633 * mips.cc (class Mips_output_section_options): New class.
634 (Target_mips::do_make_output_section): New method.
635
6362017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
637
638 * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
639 overflow error message.
640 (Target_mips::relocate_special_relocatable): Improve relocation
641 overflow error message.
642 (Target_mips::Relocate::relocate): Likewise.
643
6442017-03-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
645
646 * mips.cc (symbol_refs_local): Return false if a symbol
647 is from a dynamic object.
648 (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
649 (Target_mips::set_gp): Refactor. Make _gp STT_NOTYPE and
650 STB_LOCAL.
651 (Target_mips::do_finalize_sections): Set _gp after all the checks
652 for creating .got are done.
653 (Target_mips::Scan::global): Remove unused code.
654
6552017-02-22 Alan Modra <amodra@gmail.com>
656
657 * powerpc.cc (Target_powerpc::make_iplt_section): Check that
658 output_section exists before attempting add_output_section_data.
659 (Target_powerpc::make_brlt_section): Likewise.
660
6612017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
662
663 * mips.cc (Target_mips::Scan::get_reference_flags): Remove
664 gold_unreachable from default case.
665
6662017-02-15 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
667
668 PR gold/21111
669 * mips.cc (Mips_relocate_functions::relhigher): New method.
670 (Mips_relocate_functions::relhighest): Likewise.
671 (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
672 R_MIPS_HIGHEST.
673 (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
674 R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
675 (Target_mips::Scan::global): Likewise.
676 (Target_mips::Scan::get_reference_flags): Likewise.
677 (Target_mips::Relocate::relocate): Call static methods for resolving
678 HIGHER and HIGHEST relocations.
679
6802017-02-03 Rahul Chaudhry <rahulchaudhry@google.com>
681
682 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
683 Return true even when building pie binaries.
684 (Target_x86_64::possible_function_pointer_reloc): Check opcode
685 for R_X86_64_PC32 relocations.
686 (Target_x86_64::local_reloc_may_be_function_pointer): Pass
687 extra arguments to local_reloc_may_be_function_pointer.
688 (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
689 * gc.h (gc_process_relocs): Add check for STT_FUNC.
690 * testsuite/Makefile.am (icf_safe_pie_test): New test case.
691 * testsuite/Makefile.in: Regenerate.
692 * testsuite/icf_safe_pie_test.sh: New shell script.
693
6942017-02-03 Alan Modra <amodra@gmail.com>
695
696 * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
697 when no .toc section exists.
698
6992017-01-31 Cary Coutant <ccoutant@gmail.com>
700
701 PR gold/21090
702 * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
703 for predefined symbol.
704 (Target_x86_64::Relocate::relocate): Fix formatting.
705
7062017-01-23 Rahul Chaudhry <rahulchaudhry@google.com>
707
708 * testsuite/icf_safe_so_test.sh: Use "set -e".
709 * testsuite/icf_safe_test.sh: Likewise.
710 * testsuite/icf_test.sh: Likewise.
711
7122017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
713
714 * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
715 type.
716 (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
717 point to .plt.
718
7192017-01-23 Vladimir Radosavljevic <Vladimir.Radosavljevic@imgtec.com>
720
721 PR gold/21054
722 * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
723 to the dynamic symbol table if it is forced to local visibility.
724 (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
725 dynamic symbol table if it is forced to local visibility.
726
7272017-01-20 Nick Clifton <nickc@redhat.com>
728
729 * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
730 from a pointer to an array.
731
7322017-01-13 H.J. Lu <hongjiu.lu@intel.com>
733
734 PR gold/21040
735 * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
736 Cast 0x80008000 to uint64_t.
737
7382017-01-12 Cary Coutant <ccoutant@gmail.com>
739
740 * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
741
7422017-01-11 Cary Coutant <ccoutant@gmail.com>
743
744 PR gold/21040
745 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
746 Remove unnecessary 'typename' keyword.
747 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
748 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
749 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
750 (Output_data_plt_x86_64_bnd::do_write): Likewise.
751
7522017-01-11 Cary Coutant <ccoutant@gmail.com>
753
754 PR gold/21040
755 * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
756 Remove unnecessary 'typename' keyword.
757 (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
758 (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
759 (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
760 * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
761 declarations.
762
7632017-01-11 Cary Coutant <ccoutant@gmail.com>
764
765 PR gold/21039
766 * testsuite/script_test_13.sh: Adjust patterns to work for i386.
767 * testsuite/script_test_15a.sh: Likewise.
768 * testsuite/script_test_15b.sh: Likewise.
769 * testsuite/script_test_15c.sh: Likewise.
770
7712017-01-11 Alan Modra <amodra@gmail.com>
772
773 * powerpc.cc (class Powerpc_copy_relocs): New.
774 (Powerpc_copy_relocs::emit): New function.
775 (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
776 (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
777 (Powerpc_relobj::do_relocate_sections): New function.
778 (Powerpc_relobj::make_toc_relative): Likewise.
779 (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
780 and .toc too.
781 (ok_lo_toc_insn): Move earlier, and handle more insns.
782 (Target_powerpc::Scan::local): If optimizing toc accesses, set
783 no_toc_opt for entries we can't edit. Check insn validity.
784 Emit "toc optimization is not supported" warning, downgraded
785 from error.
786 (Target_powerpc::Scan::global): Likewise.
787 (Target_powerpc::Relocate::relocate): Edit TOC indirect code
788 to TOC relative. Don't emit "toc optimization is not supported"
789 error here.
790
7912017-01-10 Cary Coutant <ccoutant@gmail.com>
792
793 * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
794 Sized_relobj_file::relocate_section_range().
795 * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
796 * object.h (Sized_relobj_file::relocate_section_range): New method.
797 * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
798 implementation...
799 (Sized_relobj_file::relocate_section_range): ...to new method.
800
8012017-01-10 Alan Modra <amodra@gmail.com>
802
803 * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
804 _GLOBAL_OFFSET_TABLE_. Allow zero count.
805 * testsuite/copy_test_relro_1.cc (c, q): New vars.
806 * testsuite/copy_test_relro.cc: Rewrite to test read-only
807 status of variables directly. Reference new vars in
808 read-only data.
809
8102017-01-10 Alan Modra <amodra@gmail.com>
811
812 * options.h: Add --secure-plt option.
813 * powerpc.cc (Target_powerpc::Scan::local): Detect and error
814 on -fPIC -mbss-plt code.
815 (Target_powerpc::Scan::global): Likewise.
816
8172017-01-09 Alan Modra <amodra@gmail.com>
818
819 * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
820 ".rela.plt" at ".plt".
821
8222017-01-07 Alan Modra <amodra@gmail.com>
823
824 * powerpc.cc: Use shorter equivalent elfcpp typedef for
825 Reltype and reloc_size throughout.
826 (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
827 (Target_powerpc::Scan::local): Use local var r_sym.
828 (Target_powerpc::Scan::global: Likewise.
829 (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
830
8312017-01-02 Alan Modra <amodra@gmail.com>
832
833 Update year range in copyright notice of all files.
834
835For older changes see ChangeLog-2016
836\f
837Copyright (C) 2017 Free Software Foundation, Inc.
838
839Copying and distribution of this file, with or without modification,
840are permitted in any medium without royalty provided the copyright
841notice and this notice are preserved.
842
843Local Variables:
844mode: change-log
845left-margin: 8
846fill-column: 74
847version-control: never
848End:
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