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