MIPS/GAS: Correct `-O0' and `-O' option help, add `-O1' and `-O2'
[external/binutils.git] / gold / ChangeLog
1 2018-05-10  Stephen Crane  <sjc@immunant.com>
2
3         * aarch64.cc (Target_aarch64::do_finalize_sections): Use size of
4         .got section for the _GLOBAL_OFFSET_TABLE_ symbol computation.
5
6 2018-04-24  Cary Coutant  <ccoutant@gmail.com>
7
8         PR gold/20642
9         PR gold/22820
10         * gc.h (gc_process_relocs): Flag STT_SECTION symbols in symvec.
11         * icf.cc (get_section_contents): For merge sections, ignore the
12         addend for relocations against non-section symbols.
13
14 2018-04-24  Cary Coutant  <ccoutant@gmail.com>
15
16         PR gold/16504
17         * dynobj.cc (Versions::symbol_section_contents): Don't set
18         VERSYM_HIDDEN flag for undefined symbols.
19         * symtab.cc (Symbol_table::add_from_object): Don't override default
20         version definition with a different default version.
21         * symtab.h (Symbol::from_dyn): New method.
22         * testsuite/plugin_test.c (struct sym_info): Add ver field.
23         (claim_file_hook): Pass symbol version to plugin API.
24         (parse_readelf_line): Parse symbol version.
25         * testsuite/Makefile.am (ver_test_pr16504): New test case.
26         * testsuite/Makefile.in: Regenerate.
27         * testsuite/ver_test_pr16504.sh: New test script.
28         * testsuite/ver_test_pr16504_a.c: New source file.
29         * testsuite/ver_test_pr16504_a.script: New version script.
30         * testsuite/ver_test_pr16504_b.c: New source file.
31         * testsuite/ver_test_pr16504_b.script: New version script.
32
33 2018-04-19  Cary Coutant  <ccoutant@gmail.com>
34
35         PR gold/23046
36         * gc.h (gc_process_relocs): Pass target to
37         scan.local_reloc_may_be_function_pointer.
38
39 2018-04-18  Nick Clifton  <nickc@redhat.com>
40
41         * po/es.po: Updated Spanish translation.
42
43 2018-04-14  Cary Coutant  <ccoutant@gmail.com>
44
45         PR gold/23046
46         * gc.h (gc_process_relocs): Pass target to
47         scan.global_reloc_may_be_function_pointer.
48
49 2018-04-09  Alan Modra  <amodra@gmail.com>
50
51         * configure: Regenerate.
52
53 2018-04-09  Alan Modra  <amodra@gmail.com>
54
55         * powerpc.cc (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call):
56         Handle inline plt sequence relocs.
57         (Stub_table::Plt_stub_key::Plt_stub_key): Likewise.
58         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise.
59         (Target_powerpc::Relocate::relocate): Likewise.
60
61 2018-04-09  Alan Modra  <amodra@gmail.com>
62
63         * powerpc.cc (Target_powerpc::lplt_): New variable.
64         (Target_powerpc::lplt_section): Associated accessor.
65         (Target_powerpc::plt_off): Handle local non-ifunc symbols.
66         (Target_powerpc::make_lplt_section): New function.
67         (Target_powerpc::make_local_plt_entry): New function.
68         (Powerpc_relobj::do_relocate_sections): Write out lplt.
69         (Output_data_plt_powerpc::first_plt_entry_offset): Zero for lplt.
70         (Output_data_plt_powerpc::add_local_entry): New function.
71         (Output_data_plt_powerpc::do_write): Ignore lplt.
72         (Target_powerpc::make_iplt_section): Make lplt first.
73         (Target_powerpc::make_brlt_section): Make .branch_lt relro.
74         (Target_powerpc::Scan::local): Handle PLT16 relocs.
75
76 2018-04-09  Alan Modra  <amodra@gmail.com>
77
78         * powerpc.cc (Target_powerpc::plt_off): New functions.
79         (is_plt16_reloc): New function.
80         (Stub_table::plt_off): Use Target_powerpc::plt_off.
81         (Stub_table::plt_call_size): Use plt_off.
82         (Stub_table::do_write): Likewise.
83         (Target_powerpc::Scan::get_reference_flags): Return RELATIVE_REF
84         for PLT16 relocations.
85         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Return true
86         for PLT16 relocations.
87         (Target_powerpc::Scan::global): Make a PLT entry for PLT16 relocations.
88         (Target_powerpc::Relocate::relocate): Support PLT16 relocations.
89         (Powerpc_scan_relocatable_reloc::global_strategy): Return RELOC_SPECIAL
90         for ppc32 plt16 relocs.
91
92 2018-04-06  Cary Coutant  <ccoutant@gmail.com>
93
94         * object.cc (Sized_relobj_file::include_section_group): Store
95         reference to Kept_section info for discarded comdat sections
96         regardless of size.  Move size checking to map_to_kept_section.
97         (Sized_relobj_file::include_linkonce_section): Likewise.
98         (Sized_relobj_file::map_to_kept_section): Add section name parameter.
99         Insert size checking logic from above functions.
100         (Sized_relobj_file::find_kept_section_object): New method.
101         (Sized_relobj_file::get_symbol_name): New method.
102         * object.h (Sized_relobj_file::map_to_kept_section): Add section_name
103         parameter.  Adjust all callers.
104         (Sized_relobj_file::find_kept_section_object): New method.
105         (Sized_relobj_file::get_symbol_name): New method.
106         (Sized_relobj_file::Kept_comdat_section): Replace object and shndx
107         fields with sh_size, kept_section, symndx, and is_comdat fields.
108         (Sized_relobj_file::set_kept_comdat_section): Replace kept_object
109         and kept_shndx parameters with is_comdat, symndx, sh_size, and
110         kept_section.
111         (Sized_relobj_file::get_kept_comdat_section): Likewise.
112         * target-reloc.h (enum Comdat_behavior): Change CB_WARNING to CB_ERROR.
113         Adjust all references.
114         (issue_undefined_symbol_error): New function template.
115         (relocate_section): Pass section name to map_to_kept_section.
116         Move discarded section code to new function above.
117         * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Move
118         declaration for gsym out one level.  Call issue_discarded_error.
119         * arm.cc (Target_arm::scan_reloc_section_for_stubs): Likewise.
120         * powerpc.cc (Relocate_comdat_behavior): Change CB_WARNING to CB_ERROR.
121
122 2018-04-05  Cary Coutant  <ccoutant@gmail.com>
123
124         * target-reloc.h (relocate_section): Add local symbol index or global
125         symbol name to warning about relocation that refers to discarded
126         section.
127
128 2018-04-05  James Cowgill  <james.cowgill@mips.com>
129
130         Revert previous patch and apply revised patch.
131
132         PR gold/22770
133         * mips.cc (Mips_got_info::record_got_page_entry): Don't insert
134         Got_page_entry for object's GOT.
135         (Mips_got_info::add_got_page_entries): Add all pages from from's GOT.
136         Rename to add_got_page_count.
137         (Got_page_entry): Remove num_pages.
138
139 2018-04-05  James Cowgill  <james.cowgill@mips.com>
140
141         PR gold/22770
142         * mips.cc (Mips_got_info::record_got_page_entry): Fetch existing
143         page entries for the object's GOT.
144
145 2018-04-05  Alan Modra  <amodra@gmail.com>
146
147         * powerpc.cc (Target_powerpc::make_brlt_section): Make .branch_lt relro.
148
149 2018-04-04  Nick Clifton  <nickc@redhat.com>
150
151         * po/es.po: Updated Spanish translation.
152
153 2018-04-02  Cary Coutant  <ccoutant@gmail.com>
154
155         PR gold/23016
156         * incremental.cc (can_incremental_update): Check for unwind section
157         type.
158         * layout.h (Layout::layout): Add sh_type parameter.
159         * layout.cc (Layout::layout): Likewise.
160         (Layout::layout_reloc): Create new output reloc section if data
161         section does not already have one.
162         (Layout::layout_eh_frame): Check for unwind section type.
163         (Layout::make_eh_frame_section): Use unwind section type for .eh_frame
164         and .eh_frame_hdr.
165         * object.h (Sized_relobj_file::Shdr_write): New typedef.
166         (Sized_relobj_file::layout_section): Add sh_type parameter.
167         (Sized_relobj_file::Deferred_layout::Deferred_layout): Add sh_type
168         parameter.
169         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
170         unwind section type.
171         (Sized_relobj_file::layout_section): Add sh_type parameter; pass it
172         to Layout::layout.
173         (Sized_relobj_file::do_layout): Make local copy of sh_type.
174         Force .eh_frame sections to unwind section type.
175         Pass sh_type to layout_section.
176         (Sized_relobj_file<size, big_endian>::do_layout_deferred_sections):
177         Pass sh_type to layout_section.
178         * output.cc (Output_section::Output_section): Initialize reloc_section_.
179         * output.h (Output_section::reloc_section): New method.
180         (Output_section::set_reloc_section): New method.
181         (Output_section::reloc_section_): New data member.
182         * target.h (Target::unwind_section_type): New method.
183         (Target::Target_info::unwind_section_type): New data member.
184
185         * aarch64.cc (aarch64_info): Add unwind_section_type.
186         * arm.cc (arm_info, arm_nacl_info): Likewise.
187         * i386.cc (i386_info, i386_nacl_info, iamcu_info): Likewise.
188         * mips.cc (mips_info, mips_nacl_info): Likewise.
189         * powerpc.cc (powerpc_info): Likewise.
190         * s390.cc (s390_info): Likewise.
191         * sparc.cc (sparc_info): Likewise.
192         * tilegx.cc (tilegx_info): Likewise.
193         * x86_64.cc (x86_64_info, x86_64_nacl_info): Likewise.
194
195         * testsuite/Makefile.am (pr23016_1, pr23016_2): New test cases.
196         * testsuite/Makefile.in: Regenerate.
197         * testsuite/testfile.cc: Add unwind_section_type.
198         * testsuite/pr23016_1.sh: New test script.
199         * testsuite/pr23016_1a.s: New source file.
200         * testsuite/pr23016_1b.s: New source file.
201         * testsuite/pr23016_2.sh: New test script.
202         * testsuite/pr23016_2a.s: New source file.
203         * testsuite/pr23016_2b.s: New source file.
204
205 2018-03-28  Cary Coutant  <ccoutant@gmail.com>
206
207         PR gold/21423
208         PR gold/22500
209         * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
210         Replace check for --enable-plugins with AC_PLUGINS.
211         * options.cc (parse_plugin, parse_plugin_opt): Remove #ifdef.
212         (General_options::finalize): Check if plugins enabled.
213         * options.h (--plugin, --plugin-opt): Define even if plugins not
214         enabled.
215         * Makefile.in: Regenerate.
216         * aclocal.m4: Regenerate.
217         * configure: Regenerate.
218         * testsuite/Makefile.in: Regenerate.
219
220 2018-03-28  Cary Coutant  <ccoutant@gmail.com>
221
222         PR gold/22969
223         * aarch64-reloc.def: Add TLSLE_LDST* relocations.
224         * aarch64.cc (Target_aarch64::optimize_tls_reloc): Likewise.
225         (Target_aarch64::Scan::local): Likewise.
226         (Target_aarch64::Scan::global): Likewise.
227         (Target_aarch64::Relocate::relocate): Likewise.
228         (Target_aarch64::Relocate::relocate_tls): Likewise.
229
230 2018-03-27  Roland McGrath  <mcgrathr@google.com>
231
232         * testsuite/split_x86_64.sh: Fix bad regexp.
233
234 2018-03-26  Cary Coutant  <ccoutant@gmail.com>
235
236         PR gold/22868
237         * plugin.cc (Sized_pluginobj::do_add_symbols): Use a real section
238         index instead of SHN_ABS for defined symbols.
239         * testsuite/Makefile.am (plugin_pr22868): New test case.
240         * testsuite/Makefile.in: Regenerate
241         * testsuite/plugin_pr22868.sh: New test script.
242         * testsuite/plugin_pr22868_a.c: New source file.
243         * testsuite/plugin_pr22868_b.c: New source file.
244
245 2018-03-23  Cary Coutant  <ccoutant@gmail.com>
246
247         * plugin.cc (link_or_copy_file): Remove newlines from warning messages.
248         Add pedantic check for return value from ::write.
249
250 2018-03-23  Cary Coutant  <ccoutant@gmail.com>
251
252         * debug.h (DEBUG_PLUGIN): New constant.
253         (DEBUG_ALL): Add DEBUG_PLUGIN.
254         (debug_string_to_enum): Likewise.
255         * plugin.cc (make_sized_plugin_object): Add filename parameter.
256         (Plugin_recorder): New class.
257         (Plugin_manager::~Plugin_manager): Delete recorder_.
258         (Plugin_manager::load_plugins): Create and initialize recorder_.
259         (Plugin_manager::claim_file): Record claimed and unclaimed files.
260         (Plugin_manager::make_plugin_object): Use object name as name for
261         plugin object, if available.
262         (Plugin_manager::add_input_file): Record replacement files.
263         (Sized_pluginobj::do_add_symbols): Record plugin symbols.
264         (Plugin_finish::run): Call Plugin_recorder::finish().
265         (make_sized_plugin_object): Add filename parameter and pass to
266         Sized_pluginobj constructor.
267         * plugin.h (Plugin::filename): New method.
268         (Plugin::recorder): New method.
269         (Plugin::recorder_): New data member.
270
271 2018-03-07  Sriraman Tallam  <tmsriram@google.com>
272
273         * layout.cc (Layout::default_section_order): Check for text section
274         prefixes.
275         (Layout::text_section_name_mapping): New static member.
276         (Layout::text_section_name_mapping_count): New static member.
277         (Layout::match_section_name): New static function.
278         (Layout::output_section_name): Check for text section prefixes.
279         * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value.
280         (Output_section_order::ORDER_TEXT_STARTUP): New enum value.
281         (Output_section_order::ORDER_TEXT_EXIT): New enum value.
282         (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value.
283         (Layout::text_section_name_mapping): New static member.
284         (Layout::text_section_name_mapping_count): New static member.
285         (Layout::match_section_name): New static function.
286         * options.h (keep_text_section_prefix): New -z option.
287         * testsuite/Makefile.am (keep_text_section_prefix): New test.
288         * testsuite/Makefile.in: Regenerate.
289         * testsuite/keep_text_section_prefix.cc: New test source.
290         * testsuite/keep_text_section_prefix.sh: New test script.
291
292 2018-02-22  Sriraman Tallam  <tmsriram@google.com>
293
294         * plugin.cc (get_wrap_symbols): New plugin interface.
295         (load): Add get_wrap_symbols to transfer vector.
296         * plugin-api.h (ld_plugin_get_wrap_symbols): New plugin interface.
297         * testsuite/plugin_test.c (onload): Call and check get_wrap_symbols
298         interface.
299         * testsuite/plugin_test_wrap_symbols.sh: New test script.
300         * testsuite/plugin_test_wrap_symbols_1.cc: New file.
301         * testsuite/plugin_test_wrap_symbols_2.cc: New file.
302         * testsuite/Makefile.am (plugin_test_wrap_symbols): New test.
303         * testsuite/Makefile.in: Regenerate.
304
305 2018-02-07  Sriraman Tallam  <tmsriram@google.com>
306
307         * expression.cc (Symbol_expression::set_expr_sym_in_real_elf):
308         New method.
309         (Unary_expression::set_expr_sym_in_real_elf): New method.
310         (Binary_expression::set_expr_sym_in_real_elf): New method.
311         (Trinary_expression::set_expr_sym_in_real_elf): New method.
312         * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if
313         defined or used in defsyms.
314         * plugin.h (Plugin_manager::is_defsym_def): New method.
315         (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_.
316         (Plugin_manager::defsym_defines_set_): New member.
317         (Plugin_manager::Defsym_defines_set): New typedef.
318         * script.cc (Script_options::set_defsym_uses_in_real_elf): New method.
319         (Script_options::find_defsym_defs): New method.
320         * script.h (Expression::set_expr_sym_in_real_elf): New method.
321         (Symbol_assignment::is_defsym): New method.
322         (Symbol_assignment::value): New method.
323         (Script_options::find_defsym_defs): New method.
324         (Script_options::set_defsym_uses_in_real_elf): New method.
325         * testsuite/Makefile.am (plugin_test_defsym): New test.
326         * testsuite/Makefile.in: Regenerate.
327         * testsuite/plugin_test.c: Check for new symbol resolution.
328         * testsuite/plugin_test_defsym.sh: New script.
329         * testsuite/plugin_test_defsym.c: New test source.
330
331 2018-02-07  Alan Modra  <amodra@gmail.com>
332
333         Revert 2018-01-17  Alan Modra  <amodra@gmail.com>
334         * options.h: Remove --speculate-indirect-jumps support.
335         * powerpc.cc: Likewise.
336
337 2018-02-02  Cary Coutant  <ccoutant@gmail.com>
338
339         * PR gold/22776
340         * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog): Add
341         support for DWARF-4 line number tables.
342         * dwarf_reader.h (Sized_dwarf_line_info::max_ops_per_insn): New field.
343
344 2018-01-18  Alan Modra  <amodra@gmail.com>
345
346         * powerpc.cc (param_plt_align): New function supplying default
347         --plt-align values.  Use it..
348         (Stub_table::plt_call_align): ..here, and..
349         (Output_data_glink::global_entry_align): ..here.
350         (Stub_table::stub_align): Correct 32-bit minimum alignment.
351
352 2018-01-17  Alan Modra  <amodra@gmail.com>
353
354         * options.h (speculate_indirect_jumps): New option.
355         * powerpc.cc (beqctrm, beqctrlm, crseteq): New insn constants.
356         (output_bctr): New function.
357         (Stub_table::plt_call_size): Add space for speculation barrier.
358         (Stub_table::branch_stub_size): Likewise.
359         (Output_data_glink::pltresolve_size): Likewise.
360         (Stub_table::do_write): Output speculation barriers.
361
362 2018-01-17  Alan Modra  <amodra@gmail.com>
363
364         * options.h (plt_align): Support for PowerPC32 too.
365         * powerpc.cc (Stub_table::stub_align): Heed --plt-align for 32-bit.
366         (Stub_table::plt_call_size, branch_stub_size): Tidy.
367         (Stub_table::plt_call_align): Implement using stub_align.
368         (Output_data_glink::global_entry_align): New function.
369         (Output_data_glink::global_entry_off): New function.
370         (Output_data_glink::global_entry_address): Use global_entry_off.
371         (Output_data_glink::pltresolve_size): New function, replacing
372         pltresolve_size_ constant.  Update all uses.
373         (Output_data_glink::add_global_entry): Align offset.
374         (Output_data_glink::set_final_data_size): Use global_entry_align.
375         (Stub_table::do_write): Don't pad __glink_PLTrelsolve with nops.
376         Tidy stub output.  Use global_entry_off.
377
378 2018-01-15  Cary Coutant  <ccoutant@gmail.com>
379
380         PR gold/22694
381         * options.h (-fuse-ld): Add correct helparg.
382
383 2018-01-15  Nick Clifton  <nickc@redhat.com>
384
385         * po/uk.po: Updated Ukranian translation.
386
387 2018-01-13  Nick Clifton  <nickc@redhat.com>
388
389         * po/gold.pot: Regenerated.
390
391 2018-01-13  Nick Clifton  <nickc@redhat.com>
392
393         2.30 branch created.
394
395 2018-01-12  Cary Coutant  <ccoutant@gmail.com>
396
397         * NEWS: Add new features in 1.15.
398         * version.cc (version_string): Bump to 1.15.
399
400 2018-01-12  Sterling Augustine  <saugustine@google.com>
401
402         * cref.cc (Cref_inputs::Cref_table_compare::operator): Add
403         conditionals and calls to is_forwarder.
404
405 2018-01-03  Alan Modra  <amodra@gmail.com>
406
407         Update year range in copyright notice of all files.
408
409 For older changes see ChangeLog-2017
410 \f
411 Copyright (C) 2018 Free Software Foundation, Inc.
412
413 Copying and distribution of this file, with or without modification,
414 are permitted in any medium without royalty provided the copyright
415 notice and this notice are preserved.
416
417 Local Variables:
418 mode: change-log
419 left-margin: 8
420 fill-column: 74
421 version-control: never
422 End: