Add --no-relax option.
[external/binutils.git] / gold / ChangeLog
1 2017-08-03  James Clarke  <jrtc27@jrtc27.com>
2
3         * options.h (General_options): Set a non-NULL second help string
4         argument for relax to allow --no-relax.
5
6 2017-08-01  Alan Modra  <amodra@gmail.com>
7
8         * ehframe.cc (Fde::operator==): New.
9         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): New.
10         * ehframe.h (Fde::operator==): Declare.
11         (Cie::remove_fde, Eh_frame::remove_ehframe_for_plt): Likewise.
12         * layout.cc (Layout::remove_eh_frame_for_plt): New.
13         * layout.h (Layout::remove_eh_frame_for_plt): Declare.
14         * powerpc.cc (Target_powerpc::do_relax): Remove old eh_frame FDEs.
15         (Stub_table::add_eh_frame): Delete eh_frame_added_ condition.
16         Don't add eh_frame for empty stub section.
17         (Stub_table::remove_eh_frame): New.
18
19 2017-07-31  Alan Modra  <amodra@gmail.com>
20
21         * options.h (no_tls_optimize): New powerpc option.
22         * powerpc.cc (Target_powerpc::abiversion, set_abiversion): Formatting.
23         (Target_powerpc::stk_toc): Formatting, fix comment.
24         (Target_powerpc::Track_tls::tls_get_addr_state): Rename from
25         tls_get_addr.
26         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
27         Return TLSOPT_NONE when !tls_optimize.
28         (Target_powerpc::add_global_pair_with_rel): Check
29         for existing reloc before reserving.
30         (Target_powerpc::add_local_tls_pair): Likewise.
31
32 2017-07-31  Alan Modra  <amodra@gmail.com>
33
34         * powerpc.cc (Target_powerpc::scan_relocs): Warn on --plt-localentry
35         without ld.so checks.
36
37 2017-07-29  Alan Modra  <amodra@gmail.com>
38
39         PR 21847
40         * powerpc.cc (Target_powerpc::scan_relocs): Default to
41         --no-plt-localentry.
42
43 2017-07-28  H.J. Lu  <hongjiu.lu@intel.com>
44
45         PR gold/21857
46         * compressed_output.cc (Output_compressed_section::set_final_data_size):
47         Call put_ch_reserved to clear the reserved field for 64-bit ELF.
48
49 2017-07-26  H.J. Lu  <hongjiu.lu@intel.com>
50
51         * mips.cc (Mips_relocate_functions): Add "llu" suffix to
52         0x800080008000.
53
54 2017-07-23  Alan Modra  <amodra@gmail.com>
55
56         * powerpc.cc (glink_eh_frame_fde_64v2): Correct advance to
57         restore of LR.
58         (glink_eh_frame_fde_64v1): Advance to restore of LR at latest
59         possible insn.
60
61 2017-07-18  Nick Clifton  <nickc@redhat.com>
62
63         PR 21775
64         * aarch64.cc: Fix spelling typos.
65         * arm.cc: Likewise.
66         * layout.cc: Likewise.
67         * powerpc.cc: Likewise.
68         * x86_64.cc: Likewise.
69
70 2017-07-12  Alan Modra  <amodra@gmail.com>
71
72         * po/es.po: Update from translationproject.org/latest/gold/.
73         * po/fi.po: Likewise.
74         * po/fr.po: Likewise.
75         * po/id.po: Likewise.
76         * po/it.po: Likewise.
77         * po/vi.po: Likewise.
78         * po/zh_CN.po: Likewise.
79         * po/ja.po: New file from translationproject.org.
80         * po/sv.po: Likewise.
81         * po/uk.po: Likewise.
82
83 2017-07-06  Han Shen  <shenhan@google.com>
84
85         PR gold/21491
86         * aarch64.cc (Erratum_stub::invalidate_erratum_stub): New method.
87         (Erratum_stub::is_invalidated_erratum_stub): New method.
88         (Stub_table::relocate_reloc_stub): Renamed from "relocate_stub".
89         (Stub_table::relocate_reloc_stubs): Renamed from "relocate_stubs".
90         (Stub_table::relocate_erratum_stub): New method.
91         (AArch64_relobj::fix_errata_and_relocate_erratum_stubs): Renamed from
92         "fix_errata".
93         (Target_aarch64::relocate_reloc_stub): Renamed from "relocate_stub".
94
95 2017-06-23  Alan Modra  <amodra@gmail.com>
96
97         * options.h (General_options): Add plt_localentry.
98         * powerpc.cc (Target_powerpc::st_other): New function.
99         (Target_powerpc::plt_localentry0_, plt_localentry0_init_,
100         has_localentry0_): New vars.
101         (Target_powerpc::plt_localentry0, set_has_localentry0,
102         is_elfv2_localentry0): New functions.
103         (Target_powerpc::Branch_info::mark_pltcall): Don't set tocsave or
104         return true for localentry:0 calls.
105         (Stub_table::Plt_stub_ent::localentry0_): New var.
106         (Stub_table::add_plt_call_entry): Set localentry0_ and has_localentry0_.
107         Don't set r2save_ for localentry:0 calls.
108         (Output_data_glink::do_write): Save r2 in __glink_PLTresolve for elfv2.
109         (Target_powerpc::scan_relocs): Default plt_localentry0_.
110         (Target_powerpc::do_finalize_sections): Set DT_PPC64_OPT.
111         (Target_powerpc::Relocate::relocate): Don't require nop following
112         calls for localentry:0 plt calls, and don't change nop.
113
114 2017-06-23  Alan Modra  <amodra@gmail.com>
115
116         * powerpc.cc (Target_powerpc::tocsave_loc_): New var.
117         (Target_powerpc::mark_pltcall, add_tocsave, tocsave_loc): New functions.
118         (Target_powerpc::Branch_info::tocsave_): New var.
119         (Target_powerpc::Branch_info::mark_pltcall): New function.
120         (Target_powerpc::Branch_info::make_stub): Pass tocsave_ to
121         add_plt_call_entry.
122         (Stub_table::Plt_stub_ent): Make public.  Add r2save_.
123         (Stub_table::add_plt_call_entry): Add bool tocsave_ param.  Set
124         r2save_.
125         (Stub_table::find_plt_call_entry): Return Plt_stub_ent*.  Adjust
126         use throughout.
127         (Stub_table::do_write): Conditionally output r2 save in plt stubs.
128         (Target_powerpc::Scan::local): Handle R_PPC64_TOCSAVE.
129         (Target_powerpc::Scan::global): Likewise.
130         (Target_powerpc::Relocate::relocate): Skip r2 save in plt call stub
131         with tocsave reloc.  Replace header tocsave nop with r2 save.
132         * symtab.h (struct Symbol_location_hash): Make public.
133
134 2017-06-21  Alan Modra  <amodra@gmail.com>
135
136         * powerpc.cc (Plt_stub_key): Rename from Plt_stub_ent.  Remove indx_.
137         (Plt_stub_key_hash): Rename from Plt_stub_ent_hash.
138         (struct Plt_stub_ent): New.
139         (Plt_stub_entries): Map from Plt_stub_key to Plt_stub_ent.  Adjust
140         use throughout file.
141
142 2017-06-20  Eric Christopher  <echristo@gmail.com>
143
144         * aarch64.cc (scan_reloc_for_stub): Use plt_address_for_global to
145         calculate the symbol value.
146         (scan_reloc_section_for_stubs): Allow stubs to be created for
147         section symbols.
148         (maybe_apply_stub): Handle creating stubs for weak symbols to
149         match the code in scan_reloc_for_stub.
150
151 2017-06-20  James Clarke  <jrtc27@jrtc27.com>
152
153         * powerpc.cc (Stub_table::define_stub_syms): Always include object's
154         uniq_ value.
155
156 2017-06-15  Eric Christopher  <echristo@gmail.com>
157
158         * aarch64.cc: Fix a few typos and grammar-os.
159
160 2017-06-15  Jiong Wang  <jiong.wang@arm.com>
161
162         * aarch64.cc (Insn_utilities::is_mrs_tpidr_el0): New method.
163         (AArch64_relobj<size, big_endian>::try_fix_erratum_843419_optimized):
164         Return ture for some TLS relaxed sequences.
165
166 2017-06-07  Eric Christopher  <echristo@gmail.com>
167
168         * aarch64.cc (maybe_apply_stub): Add debug logging for looking
169         up stubs to undefined symbols and early return rather than
170         fail to look them up.
171         (scan_reloc_for_stub): Add debug logging for no stub creation
172         for undefined symbols.
173
174 2017-05-23  Alan Modra  <amodra@gmail.com>
175
176         PR 21503
177         * options.h: Add --emit-stub-syms option.
178         * powerpc.cc (object_id): New.
179         (Powerpc_relobj): Add uniq_ and accessor.  Sort variables for
180         better packing.
181         (Powerpc_dynobj): Sort variables for better packing.
182         (Target_powerpc::define_local): New function.
183         (Target_powerpc::group_sections): Pass stub table size to
184         Stub_table constructor.
185         (Target_powerpc::do_relax): Define stub and glink symbols.
186         (Stub_table): Add uniq_ variable, and id param to constructor.
187         (Stub_table::Plt_stub_ent): Add indx_ variable.
188         (Stub_table::Branch_stub_entries): Move typedef earlier.
189         (Stub_table::branch_stub_size): Replace "to" parameter with a
190         Branch_stub_entries iterator.
191         (Stub_table::add_long_branch_entry): Adjust to suit.
192         (Stub_table::add_plt_call_entry): Set indx_.
193         (Stub_table::define_stub_syms): New function.
194
195 2017-05-15  Eric Christopher <echristo@gmail.com>
196
197         * layout.cc (Layout::segment_precedes): Add a case for testing
198         pointer equality when determining which segment precedes
199         another.
200
201 2017-05-13  James Clarke  <jrtc27@jrtc27.com>
202
203         PR gold/21444
204         * gold.cc (Target_sparc::Relocate::relocate_tls): Local
205         variables are final for position-independent executables. This
206         has to be consistent with Target_sparc::Scan::local otherwise
207         they will disagree as to whether local-exec is used.
208
209 2017-05-12  Igor Kudrin  <ikudrin@accesssoftek.com>
210
211         PR gold/21430
212         * aarch64.cc
213         (AArch64_relobj::convert_input_section_to_relaxed_section):
214         Set the section offset to -1ULL.
215         (Target_aarch64::relocate_section): Adjust the view in case
216         of a relaxed input section.
217         * testsuite/Makefile.am (pr21430): New test.
218         * testsuite/Makefile.in: Regenerate
219         * testsuite/pr21430.s: New test source file.
220         * testsuite/pr21430.sh: New test script.
221
222 2017-04-27  Alan Modra  <amodra@gmail.com>
223
224         * testsuite/plugin_section_order.c (onload): Add missing break.
225
226 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
227
228         * mips.cc (Mips_got_entry::hash()): Shift addend to reduce
229         possibility of collisions.
230         (Mips_got_entry::equals): Fix case for GOT_TLS_LDM
231         entries.
232
233 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
234
235         * mips.cc (Mips_relobj::merge_processor_specific_data_): New data
236         member.
237         (Mips_relobj::merge_processor_specific_data): New method.
238         (Mips_relobj::do_read_symbols): Set merge_processor_specific_data_
239         to false, only if the input file is a binary or if object has no
240         contents except the section name string table and an empty symbol
241         table with the undefined symbol.
242         (Target_mips::do_finalize_sections): Refactor.  Skip empty object files
243         for merging processor-specific data.
244
245 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
246
247         * mips.cc (Target_mips::Relocate::calculated_value_): New data
248         member.
249         (Target_mips::Relocate::calculate_only_): Likewise.
250         (Target_mips::Relocate::relocate): Handle multiple consecutive
251         relocations with the same offset.
252
253 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
254
255         * mips.cc (Target_mips::Relocate::relocate): Remove redundant
256         checks for relocatable link.
257         (Mips_relocate_functions::reljalr): Likewise.
258
259 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
260
261         * mips.cc (class Mips_output_section_options): New class.
262         (Target_mips::do_make_output_section): New method.
263
264 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
265
266         * mips.cc (Mips_relocate_functions::rel26): Don't print relocation
267         overflow error message.
268         (Target_mips::relocate_special_relocatable): Improve relocation
269         overflow error message.
270         (Target_mips::Relocate::relocate): Likewise.
271
272 2017-03-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
273
274         * mips.cc (symbol_refs_local): Return false if a symbol
275         is from a dynamic object.
276         (Target_mips::got_section): Make _GLOBAL_OFFSET_TABLE_ STV_HIDDEN.
277         (Target_mips::set_gp): Refactor.  Make _gp STT_NOTYPE and
278         STB_LOCAL.
279         (Target_mips::do_finalize_sections): Set _gp after all the checks
280         for creating .got are done.
281         (Target_mips::Scan::global): Remove unused code.
282
283 2017-02-22  Alan Modra  <amodra@gmail.com>
284
285         * powerpc.cc (Target_powerpc::make_iplt_section): Check that
286         output_section exists before attempting add_output_section_data.
287         (Target_powerpc::make_brlt_section): Likewise.
288
289 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
290
291         * mips.cc (Target_mips::Scan::get_reference_flags): Remove
292         gold_unreachable from default case.
293
294 2017-02-15  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
295
296         PR gold/21111
297         * mips.cc (Mips_relocate_functions::relhigher): New method.
298         (Mips_relocate_functions::relhighest): Likewise.
299         (mips_get_size_for_reloc): Add support for relocs: R_MIPS_HIGHER and
300         R_MIPS_HIGHEST.
301         (Target_mips::Scan::local): Add support for relocs: R_MIPS_HIGHER,
302         R_MIPS_HIGHEST, R_MICROMIPS_HIGHER and R_MICROMIPS_HIGHEST.
303         (Target_mips::Scan::global): Likewise.
304         (Target_mips::Scan::get_reference_flags): Likewise.
305         (Target_mips::Relocate::relocate): Call static methods for resolving
306         HIGHER and HIGHEST relocations.
307
308 2017-02-03  Rahul Chaudhry  <rahulchaudhry@google.com>
309
310         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
311         Return true even when building pie binaries.
312         (Target_x86_64::possible_function_pointer_reloc): Check opcode
313         for R_X86_64_PC32 relocations.
314         (Target_x86_64::local_reloc_may_be_function_pointer): Pass
315         extra arguments to local_reloc_may_be_function_pointer.
316         (Target_x86_64::global_reloc_may_be_function_pointer): Likewise.
317         * gc.h (gc_process_relocs): Add check for STT_FUNC.
318         * testsuite/Makefile.am (icf_safe_pie_test): New test case.
319         * testsuite/Makefile.in: Regenerate.
320         * testsuite/icf_safe_pie_test.sh: New shell script.
321
322 2017-02-03  Alan Modra  <amodra@gmail.com>
323
324         * powerpc.cc (Powerpc_relobj::make_toc_relative): Don't crash
325         when no .toc section exists.
326
327 2017-01-31  Cary Coutant  <ccoutant@gmail.com>
328
329         PR gold/21090
330         * x86_64.cc (Target_x86_64::can_convert_mov_to_lea): Add check
331         for predefined symbol.
332         (Target_x86_64::Relocate::relocate): Fix formatting.
333
334 2017-01-23  Rahul Chaudhry  <rahulchaudhry@google.com>
335
336         * testsuite/icf_safe_so_test.sh: Use "set -e".
337         * testsuite/icf_safe_test.sh: Likewise.
338         * testsuite/icf_test.sh: Likewise.
339
340 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
341
342         * mips.cc (Mips_output_data_plt::rel_plt): Remove const from return
343         type.
344         (Target_mips::make_plt_entry): Make the sh_info field of .rel.plt
345         point to .plt.
346
347 2017-01-23  Vladimir Radosavljevic  <Vladimir.Radosavljevic@imgtec.com>
348
349         PR gold/21054
350         * mips.cc (Mips_got_info::record_global_got_symbol): Don't add symbol
351         to the dynamic symbol table if it is forced to local visibility.
352         (Target_mips::do_finalize_sections): Don't add __RLD_MAP symbol to the
353         dynamic symbol table if it is forced to local visibility.
354
355 2017-01-20  Nick Clifton  <nickc@redhat.com>
356
357         * aarch64.cc (Stub_template_repertoire): Change ST_E_835769_INSNS
358         from a pointer to an array.
359
360 2017-01-13  H.J. Lu  <hongjiu.lu@intel.com>
361
362         PR gold/21040
363         * powerpc.cc (Powerpc_relobj<size, big_endian>::make_toc_relative):
364         Cast 0x80008000 to uint64_t.
365
366 2017-01-12  Cary Coutant  <ccoutant@gmail.com>
367
368         * object.cc (Sized_relobj_file): Fix byte counts for calls to memmem.
369
370 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
371
372         PR gold/21040
373         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
374         Remove unnecessary 'typename' keyword.
375         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
376         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
377         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
378         (Output_data_plt_x86_64_bnd::do_write): Likewise.
379
380 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
381
382         PR gold/21040
383         * x86_64.cc (Output_data_plt_x86_64_bnd::do_fill_first_plt_entry):
384         Remove unnecessary 'typename' keyword.
385         (Output_data_plt_x86_64_bnd::do_fill_plt_entry): Likewise.
386         (Output_data_plt_x86_64_bnd::do_fill_tlsdesc_entry): Likewise.
387         (Output_data_plt_x86_64_bnd::fill_aplt_entry): Likewise.
388         * testsuite/copy_test_relro_1.cc (p, b, c, q): Add separate extern
389         declarations.
390
391 2017-01-11  Cary Coutant  <ccoutant@gmail.com>
392
393         PR gold/21039
394         * testsuite/script_test_13.sh: Adjust patterns to work for i386.
395         * testsuite/script_test_15a.sh: Likewise.
396         * testsuite/script_test_15b.sh: Likewise.
397         * testsuite/script_test_15c.sh: Likewise.
398
399 2017-01-11  Alan Modra  <amodra@gmail.com>
400
401         * powerpc.cc (class Powerpc_copy_relocs): New.
402         (Powerpc_copy_relocs::emit): New function.
403         (Powerpc_relobj::relatoc_, toc_, no_toc_opt_): New variables.
404         (Powerpc_relobj::toc_shndx, set_no_toc_opt, no_toc_opt): New inlines.
405         (Powerpc_relobj::do_relocate_sections): New function.
406         (Powerpc_relobj::make_toc_relative): Likewise.
407         (Powerpc_relobj::do_find_special_sections): Stash away .rela.toc
408         and .toc too.
409         (ok_lo_toc_insn): Move earlier, and handle more insns.
410         (Target_powerpc::Scan::local): If optimizing toc accesses, set
411         no_toc_opt for entries we can't edit.  Check insn validity.
412         Emit "toc optimization is not supported" warning, downgraded
413         from error.
414         (Target_powerpc::Scan::global): Likewise.
415         (Target_powerpc::Relocate::relocate): Edit TOC indirect code
416         to TOC relative.  Don't emit "toc optimization is not supported"
417         error here.
418
419 2017-01-10  Cary Coutant  <ccoutant@gmail.com>
420
421         * aarch64.cc (AArch64_relobj::do_relocate_sections): Call
422         Sized_relobj_file::relocate_section_range().
423         * arm.cc (Arm_relobj::do_relocate_sections): Likewise.
424         * object.h (Sized_relobj_file::relocate_section_range): New method.
425         * reloc.cc (Sized_relobj_file::do_relocate_sections): Move
426         implementation...
427         (Sized_relobj_file::relocate_section_range): ...to new method.
428
429 2017-01-10  Alan Modra  <amodra@gmail.com>
430
431         * testsuite/ver_test_8.sh: Accept .TOC. in lieu of
432         _GLOBAL_OFFSET_TABLE_.  Allow zero count.
433         * testsuite/copy_test_relro_1.cc (c, q): New vars.
434         * testsuite/copy_test_relro.cc: Rewrite to test read-only
435         status of variables directly.  Reference new vars in
436         read-only data.
437
438 2017-01-10  Alan Modra  <amodra@gmail.com>
439
440         * options.h: Add --secure-plt option.
441         * powerpc.cc (Target_powerpc::Scan::local): Detect and error
442         on -fPIC -mbss-plt code.
443         (Target_powerpc::Scan::global): Likewise.
444
445 2017-01-09  Alan Modra  <amodra@gmail.com>
446
447         * powerpc.cc (Target_powerpc::make_plt_section): Point sh_info of
448         ".rela.plt" at ".plt".
449
450 2017-01-07  Alan Modra  <amodra@gmail.com>
451
452         * powerpc.cc: Use shorter equivalent elfcpp typedef for
453         Reltype and reloc_size throughout.
454         (Target_powerpc::symval_for_branch): Exclude dynamic symbols.
455         (Target_powerpc::Scan::local): Use local var r_sym.
456         (Target_powerpc::Scan::global: Likewise.
457         (Target_powerpc::Relocate::relocate): Delete shadowing r_sym.
458
459 2017-01-02  Alan Modra  <amodra@gmail.com>
460
461         Update year range in copyright notice of all files.
462
463 For older changes see ChangeLog-2016
464 \f
465 Copyright (C) 2017 Free Software Foundation, Inc.
466
467 Copying and distribution of this file, with or without modification,
468 are permitted in any medium without royalty provided the copyright
469 notice and this notice are preserved.
470
471 Local Variables:
472 mode: change-log
473 left-margin: 8
474 fill-column: 74
475 version-control: never
476 End: