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Fix bug with relocation addends and merge sections with --icf.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
651d1620
CC		 12018-04-24 Cary Coutant <ccoutant@gmail.com>
2
3 PR gold/20642
4 PR gold/22820
5 * gc.h (gc_process_relocs): Flag STT_SECTION symbols in symvec.
6 * icf.cc (get_section_contents): For merge sections, ignore the
7 addend for relocations against non-section symbols.
8
890d1555
CC		 92018-04-24 Cary Coutant <ccoutant@gmail.com>
10
11 PR gold/16504
12 * dynobj.cc (Versions::symbol_section_contents): Don't set
13 VERSYM_HIDDEN flag for undefined symbols.
14 * symtab.cc (Symbol_table::add_from_object): Don't override default
15 version definition with a different default version.
16 * symtab.h (Symbol::from_dyn): New method.
17 * testsuite/plugin_test.c (struct sym_info): Add ver field.
18 (claim_file_hook): Pass symbol version to plugin API.
19 (parse_readelf_line): Parse symbol version.
20 * testsuite/Makefile.am (ver_test_pr16504): New test case.
21 * testsuite/Makefile.in: Regenerate.
22 * testsuite/ver_test_pr16504.sh: New test script.
23 * testsuite/ver_test_pr16504_a.c: New source file.
24 * testsuite/ver_test_pr16504_a.script: New version script.
25 * testsuite/ver_test_pr16504_b.c: New source file.
26 * testsuite/ver_test_pr16504_b.script: New version script.
27
d83d5403
CC		 282018-04-19 Cary Coutant <ccoutant@gmail.com>
29
30 PR gold/23046
31 * gc.h (gc_process_relocs): Pass target to
32 scan.local_reloc_may_be_function_pointer.
33
f792cedd
NC		 342018-04-18 Nick Clifton <nickc@redhat.com>
35
36 * po/es.po: Updated Spanish translation.
37
aae82809
CC		 382018-04-14 Cary Coutant <ccoutant@gmail.com>
39
40 PR gold/23046
41 * gc.h (gc_process_relocs): Pass target to
42 scan.global_reloc_may_be_function_pointer.
43
c4a614e2
AM		 442018-04-09 Alan Modra <amodra@gmail.com>
45
46 * configure: Regenerate.
47
23cedd1d
AM		 482018-04-09 Alan Modra <amodra@gmail.com>
49
50 * powerpc.cc (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call):
51 Handle inline plt sequence relocs.
52 (Stub_table::Plt_stub_key::Plt_stub_key): Likewise.
53 (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise.
54 (Target_powerpc::Relocate::relocate): Likewise.
55
2d7ad24e
AM		 562018-04-09 Alan Modra <amodra@gmail.com>
57
58 * powerpc.cc (Target_powerpc::lplt_): New variable.
59 (Target_powerpc::lplt_section): Associated accessor.
60 (Target_powerpc::plt_off): Handle local non-ifunc symbols.
61 (Target_powerpc::make_lplt_section): New function.
62 (Target_powerpc::make_local_plt_entry): New function.
63 (Powerpc_relobj::do_relocate_sections): Write out lplt.
64 (Output_data_plt_powerpc::first_plt_entry_offset): Zero for lplt.
65 (Output_data_plt_powerpc::add_local_entry): New function.
66 (Output_data_plt_powerpc::do_write): Ignore lplt.
67 (Target_powerpc::make_iplt_section): Make lplt first.
68 (Target_powerpc::make_brlt_section): Make .branch_lt relro.
69 (Target_powerpc::Scan::local): Handle PLT16 relocs.
70
08be3224
AM		 712018-04-09 Alan Modra <amodra@gmail.com>
72
73 * powerpc.cc (Target_powerpc::plt_off): New functions.
74 (is_plt16_reloc): New function.
75 (Stub_table::plt_off): Use Target_powerpc::plt_off.
76 (Stub_table::plt_call_size): Use plt_off.
77 (Stub_table::do_write): Likewise.
78 (Target_powerpc::Scan::get_reference_flags): Return RELATIVE_REF
79 for PLT16 relocations.
80 (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Return true
81 for PLT16 relocations.
82 (Target_powerpc::Scan::global): Make a PLT entry for PLT16 relocations.
83 (Target_powerpc::Relocate::relocate): Support PLT16 relocations.
84 (Powerpc_scan_relocatable_reloc::global_strategy): Return RELOC_SPECIAL
85 for ppc32 plt16 relocs.
86
43193fe9
CC		 872018-04-06 Cary Coutant <ccoutant@gmail.com>
88
89 * object.cc (Sized_relobj_file::include_section_group): Store
90 reference to Kept_section info for discarded comdat sections
91 regardless of size. Move size checking to map_to_kept_section.
92 (Sized_relobj_file::include_linkonce_section): Likewise.
93 (Sized_relobj_file::map_to_kept_section): Add section name parameter.
94 Insert size checking logic from above functions.
95 (Sized_relobj_file::find_kept_section_object): New method.
96 (Sized_relobj_file::get_symbol_name): New method.
97 * object.h (Sized_relobj_file::map_to_kept_section): Add section_name
98 parameter. Adjust all callers.
99 (Sized_relobj_file::find_kept_section_object): New method.
100 (Sized_relobj_file::get_symbol_name): New method.
101 (Sized_relobj_file::Kept_comdat_section): Replace object and shndx
102 fields with sh_size, kept_section, symndx, and is_comdat fields.
103 (Sized_relobj_file::set_kept_comdat_section): Replace kept_object
104 and kept_shndx parameters with is_comdat, symndx, sh_size, and
105 kept_section.
106 (Sized_relobj_file::get_kept_comdat_section): Likewise.
107 * target-reloc.h (enum Comdat_behavior): Change CB_WARNING to CB_ERROR.
108 Adjust all references.
109 (issue_undefined_symbol_error): New function template.
110 (relocate_section): Pass section name to map_to_kept_section.
111 Move discarded section code to new function above.
112 * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Move
113 declaration for gsym out one level. Call issue_discarded_error.
114 * arm.cc (Target_arm::scan_reloc_section_for_stubs): Likewise.
115 * powerpc.cc (Relocate_comdat_behavior): Change CB_WARNING to CB_ERROR.
116
c54b27d1
CC		 1172018-04-05 Cary Coutant <ccoutant@gmail.com>
118
119 * target-reloc.h (relocate_section): Add local symbol index or global
120 symbol name to warning about relocation that refers to discarded
121 section.
122
494e49c9
CC		 1232018-04-05 James Cowgill <james.cowgill@mips.com>
124
125 Revert previous patch and apply revised patch.
126
127 PR gold/22770
128 * mips.cc (Mips_got_info::record_got_page_entry): Don't insert
129 Got_page_entry for object's GOT.
130 (Mips_got_info::add_got_page_entries): Add all pages from from's GOT.
131 Rename to add_got_page_count.
132 (Got_page_entry): Remove num_pages.
133
67faf1f4
JC		 1342018-04-05 James Cowgill <james.cowgill@mips.com>
135
136 PR gold/22770
137 * mips.cc (Mips_got_info::record_got_page_entry): Fetch existing
138 page entries for the object's GOT.
139
54483898
AM		 1402018-04-05 Alan Modra <amodra@gmail.com>
141
142 * powerpc.cc (Target_powerpc::make_brlt_section): Make .branch_lt relro.
143
4fb0d2b9
NC		 1442018-04-04 Nick Clifton <nickc@redhat.com>
145
146 * po/es.po: Updated Spanish translation.
147
bce5a025
CC		 1482018-04-02 Cary Coutant <ccoutant@gmail.com>
149
150 PR gold/23016
151 * incremental.cc (can_incremental_update): Check for unwind section
152 type.
153 * layout.h (Layout::layout): Add sh_type parameter.
154 * layout.cc (Layout::layout): Likewise.
155 (Layout::layout_reloc): Create new output reloc section if data
156 section does not already have one.
157 (Layout::layout_eh_frame): Check for unwind section type.
158 (Layout::make_eh_frame_section): Use unwind section type for .eh_frame
159 and .eh_frame_hdr.
160 * object.h (Sized_relobj_file::Shdr_write): New typedef.
161 (Sized_relobj_file::layout_section): Add sh_type parameter.
162 (Sized_relobj_file::Deferred_layout::Deferred_layout): Add sh_type
163 parameter.
164 * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
165 unwind section type.
166 (Sized_relobj_file::layout_section): Add sh_type parameter; pass it
167 to Layout::layout.
168 (Sized_relobj_file::do_layout): Make local copy of sh_type.
169 Force .eh_frame sections to unwind section type.
170 Pass sh_type to layout_section.
171 (Sized_relobj_file<size, big_endian>::do_layout_deferred_sections):
172 Pass sh_type to layout_section.
173 * output.cc (Output_section::Output_section): Initialize reloc_section_.
174 * output.h (Output_section::reloc_section): New method.
175 (Output_section::set_reloc_section): New method.
176 (Output_section::reloc_section_): New data member.
177 * target.h (Target::unwind_section_type): New method.
178 (Target::Target_info::unwind_section_type): New data member.
179
180 * aarch64.cc (aarch64_info): Add unwind_section_type.
181 * arm.cc (arm_info, arm_nacl_info): Likewise.
182 * i386.cc (i386_info, i386_nacl_info, iamcu_info): Likewise.
183 * mips.cc (mips_info, mips_nacl_info): Likewise.
184 * powerpc.cc (powerpc_info): Likewise.
185 * s390.cc (s390_info): Likewise.
186 * sparc.cc (sparc_info): Likewise.
187 * tilegx.cc (tilegx_info): Likewise.
188 * x86_64.cc (x86_64_info, x86_64_nacl_info): Likewise.
189
190 * testsuite/Makefile.am (pr23016_1, pr23016_2): New test cases.
191 * testsuite/Makefile.in: Regenerate.
192 * testsuite/testfile.cc: Add unwind_section_type.
193 * testsuite/pr23016_1.sh: New test script.
194 * testsuite/pr23016_1a.s: New source file.
195 * testsuite/pr23016_1b.s: New source file.
196 * testsuite/pr23016_2.sh: New test script.
197 * testsuite/pr23016_2a.s: New source file.
198 * testsuite/pr23016_2b.s: New source file.
199
24538276
CC		 2002018-03-28 Cary Coutant <ccoutant@gmail.com>
201
202 PR gold/21423
203 PR gold/22500
204 * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
205 Replace check for --enable-plugins with AC_PLUGINS.
206 * options.cc (parse_plugin, parse_plugin_opt): Remove #ifdef.
207 (General_options::finalize): Check if plugins enabled.
208 * options.h (--plugin, --plugin-opt): Define even if plugins not
209 enabled.
210 * Makefile.in: Regenerate.
211 * aclocal.m4: Regenerate.
212 * configure: Regenerate.
213 * testsuite/Makefile.in: Regenerate.
214
e82e6b2b
CC		 2152018-03-28 Cary Coutant <ccoutant@gmail.com>
216
217 PR gold/22969
218 * aarch64-reloc.def: Add TLSLE_LDST* relocations.
219 * aarch64.cc (Target_aarch64::optimize_tls_reloc): Likewise.
220 (Target_aarch64::Scan::local): Likewise.
221 (Target_aarch64::Scan::global): Likewise.
222 (Target_aarch64::Relocate::relocate): Likewise.
223 (Target_aarch64::Relocate::relocate_tls): Likewise.
224
9c75b456
RM		 2252018-03-27 Roland McGrath <mcgrathr@google.com>
226
227 * testsuite/split_x86_64.sh: Fix bad regexp.
228
0b7a4aa6
CC		 2292018-03-26 Cary Coutant <ccoutant@gmail.com>
230
0b7a4aa6
CC		 231 PR gold/22868
232 * plugin.cc (Sized_pluginobj::do_add_symbols): Use a real section
233 index instead of SHN_ABS for defined symbols.
234 * testsuite/Makefile.am (plugin_pr22868): New test case.
235 * testsuite/Makefile.in: Regenerate
236 * testsuite/plugin_pr22868.sh: New test script.
237 * testsuite/plugin_pr22868_a.c: New source file.
238 * testsuite/plugin_pr22868_b.c: New source file.
239
8da9a904
CC		 2402018-03-23 Cary Coutant <ccoutant@gmail.com>
241
242 * plugin.cc (link_or_copy_file): Remove newlines from warning messages.
243 Add pedantic check for return value from ::write.
244
3215deaa
CC		 2452018-03-23 Cary Coutant <ccoutant@gmail.com>
246
247 * debug.h (DEBUG_PLUGIN): New constant.
248 (DEBUG_ALL): Add DEBUG_PLUGIN.
249 (debug_string_to_enum): Likewise.
250 * plugin.cc (make_sized_plugin_object): Add filename parameter.
251 (Plugin_recorder): New class.
252 (Plugin_manager::~Plugin_manager): Delete recorder_.
253 (Plugin_manager::load_plugins): Create and initialize recorder_.
254 (Plugin_manager::claim_file): Record claimed and unclaimed files.
255 (Plugin_manager::make_plugin_object): Use object name as name for
256 plugin object, if available.
257 (Plugin_manager::add_input_file): Record replacement files.
258 (Sized_pluginobj::do_add_symbols): Record plugin symbols.
259 (Plugin_finish::run): Call Plugin_recorder::finish().
260 (make_sized_plugin_object): Add filename parameter and pass to
261 Sized_pluginobj constructor.
262 * plugin.h (Plugin::filename): New method.
263 (Plugin::recorder): New method.
264 (Plugin::recorder_): New data member.
265
779bdadb
ST		 2662018-03-07 Sriraman Tallam <tmsriram@google.com>
267
268 * layout.cc (Layout::default_section_order): Check for text section
269 prefixes.
270 (Layout::text_section_name_mapping): New static member.
271 (Layout::text_section_name_mapping_count): New static member.
272 (Layout::match_section_name): New static function.
273 (Layout::output_section_name): Check for text section prefixes.
274 * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value.
275 (Output_section_order::ORDER_TEXT_STARTUP): New enum value.
276 (Output_section_order::ORDER_TEXT_EXIT): New enum value.
277 (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value.
278 (Layout::text_section_name_mapping): New static member.
279 (Layout::text_section_name_mapping_count): New static member.
280 (Layout::match_section_name): New static function.
281 * options.h (keep_text_section_prefix): New -z option.
282 * testsuite/Makefile.am (keep_text_section_prefix): New test.
283 * testsuite/Makefile.in: Regenerate.
284 * testsuite/keep_text_section_prefix.cc: New test source.
285 * testsuite/keep_text_section_prefix.sh: New test script.
286
0b65c07b
ST		 2872018-02-22 Sriraman Tallam <tmsriram@google.com>
288
289 * plugin.cc (get_wrap_symbols): New plugin interface.
290 (load): Add get_wrap_symbols to transfer vector.
291 * plugin-api.h (ld_plugin_get_wrap_symbols): New plugin interface.
292 * testsuite/plugin_test.c (onload): Call and check get_wrap_symbols
293 interface.
294 * testsuite/plugin_test_wrap_symbols.sh: New test script.
295 * testsuite/plugin_test_wrap_symbols_1.cc: New file.
296 * testsuite/plugin_test_wrap_symbols_2.cc: New file.
297 * testsuite/Makefile.am (plugin_test_wrap_symbols): New test.
298 * testsuite/Makefile.in: Regenerate.
299
3281b315
ST		 3002018-02-07 Sriraman Tallam <tmsriram@google.com>
301
302 * expression.cc (Symbol_expression::set_expr_sym_in_real_elf):
303 New method.
304 (Unary_expression::set_expr_sym_in_real_elf): New method.
305 (Binary_expression::set_expr_sym_in_real_elf): New method.
306 (Trinary_expression::set_expr_sym_in_real_elf): New method.
307 * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if
308 defined or used in defsyms.
309 * plugin.h (Plugin_manager::is_defsym_def): New method.
310 (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_.
311 (Plugin_manager::defsym_defines_set_): New member.
312 (Plugin_manager::Defsym_defines_set): New typedef.
313 * script.cc (Script_options::set_defsym_uses_in_real_elf): New method.
314 (Script_options::find_defsym_defs): New method.
315 * script.h (Expression::set_expr_sym_in_real_elf): New method.
316 (Symbol_assignment::is_defsym): New method.
317 (Symbol_assignment::value): New method.
318 (Script_options::find_defsym_defs): New method.
319 (Script_options::set_defsym_uses_in_real_elf): New method.
320 * testsuite/Makefile.am (plugin_test_defsym): New test.
321 * testsuite/Makefile.in: Regenerate.
322 * testsuite/plugin_test.c: Check for new symbol resolution.
323 * testsuite/plugin_test_defsym.sh: New script.
324 * testsuite/plugin_test_defsym.c: New test source.
325
407aa07c
AM		 3262018-02-07 Alan Modra <amodra@gmail.com>
327
328 Revert 2018-01-17 Alan Modra <amodra@gmail.com>
329 * options.h: Remove --speculate-indirect-jumps support.
330 * powerpc.cc: Likewise.
331
c8334458
CC		 3322018-02-02 Cary Coutant <ccoutant@gmail.com>
333
334 * PR gold/22776
335 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog): Add
336 support for DWARF-4 line number tables.
337 * dwarf_reader.h (Sized_dwarf_line_info::max_ops_per_insn): New field.
338
691d2e9a
AM		 3392018-01-18 Alan Modra <amodra@gmail.com>
340
341 * powerpc.cc (param_plt_align): New function supplying default
342 --plt-align values. Use it..
343 (Stub_table::plt_call_align): ..here, and..
344 (Output_data_glink::global_entry_align): ..here.
345 (Stub_table::stub_align): Correct 32-bit minimum alignment.
346
1be5d8d3
AM		 3472018-01-17 Alan Modra <amodra@gmail.com>
348
349 * options.h (speculate_indirect_jumps): New option.
350 * powerpc.cc (beqctrm, beqctrlm, crseteq): New insn constants.
351 (output_bctr): New function.
352 (Stub_table::plt_call_size): Add space for speculation barrier.
353 (Stub_table::branch_stub_size): Likewise.
354 (Output_data_glink::pltresolve_size): Likewise.
355 (Stub_table::do_write): Output speculation barriers.
356
9e390558
AM		 3572018-01-17 Alan Modra <amodra@gmail.com>
358
359 * options.h (plt_align): Support for PowerPC32 too.
360 * powerpc.cc (Stub_table::stub_align): Heed --plt-align for 32-bit.
361 (Stub_table::plt_call_size, branch_stub_size): Tidy.
362 (Stub_table::plt_call_align): Implement using stub_align.
363 (Output_data_glink::global_entry_align): New function.
364 (Output_data_glink::global_entry_off): New function.
365 (Output_data_glink::global_entry_address): Use global_entry_off.
366 (Output_data_glink::pltresolve_size): New function, replacing
367 pltresolve_size_ constant. Update all uses.
368 (Output_data_glink::add_global_entry): Align offset.
369 (Output_data_glink::set_final_data_size): Use global_entry_align.
370 (Stub_table::do_write): Don't pad __glink_PLTrelsolve with nops.
371 Tidy stub output. Use global_entry_off.
372
930b5f8b
CC		 3732018-01-15 Cary Coutant <ccoutant@gmail.com>
374
375 PR gold/22694
376 * options.h (-fuse-ld): Add correct helparg.
377
616dcb87
NC		 3782018-01-15 Nick Clifton <nickc@redhat.com>
379
380 * po/uk.po: Updated Ukranian translation.
381
3957a496
NC		 3822018-01-13 Nick Clifton <nickc@redhat.com>
383
384 * po/gold.pot: Regenerated.
385
faf766e3
NC		 3862018-01-13 Nick Clifton <nickc@redhat.com>
387
388 2.30 branch created.
389
27f7b092
CC		 3902018-01-12 Cary Coutant <ccoutant@gmail.com>
391
392 * NEWS: Add new features in 1.15.
393 * version.cc (version_string): Bump to 1.15.
394
3952018-01-12 Sterling Augustine <saugustine@google.com>
b4b07ef1
EC		 396
397 * cref.cc (Cref_inputs::Cref_table_compare::operator): Add
398 conditionals and calls to is_forwarder.
399
219d1afa
AM		 4002018-01-03 Alan Modra <amodra@gmail.com>
401
402 Update year range in copyright notice of all files.
403
1e563868 404For older changes see ChangeLog-2017
3499769a 405\f
1e563868 406Copyright (C) 2018 Free Software Foundation, Inc.
3499769a
AM		 407
408Copying and distribution of this file, with or without modification,
409are permitted in any medium without royalty provided the copyright
410notice and this notice are preserved.
411
412Local Variables:
413mode: change-log
414left-margin: 8
415fill-column: 74
416version-control: never
417End:
GDB Binutils - Deliverables
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