Fix treatment of symbol versions with unused as-needed libraries.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
cea6ffbd
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12018-06-21 Cary Coutant <ccoutant@gmail.com>
2
3 * resolve.cc (Symbol_table::resolve): Rename tobinding to
4 orig_tobinding. Call set_is_needed() for objects that resolve
5 non-weak references.
6 (Symbol_table::should_override): Allow a dynamic definition to
7 override an earlier one in a not-needed library.
8 * symtab.cc (Symbol_table::set_dynsym_indexes): Remove separate
9 processing for as-needed symbols. Add warning when discarding
10 version informatin.
11 * testsuite/Makefile.am (weak_as_needed): New test case.
12 * testsuite/Makefile.in: Regenerate.
13 * testsuite/weak_as_needed.sh: New test script.
14 * testsuite/weak_as_needed_a.c: New source file.
15 * testsuite/weak_as_needed_b.c: New source file.
16 * testsuite/weak_as_needed_b.script: New version script.
17 * testsuite/weak_as_needed_c.c: New source file.
18 * testsuite/weak_as_needed_c.script: New version script.
19
ebb13322
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202018-06-20 Cary Coutant <ccoutant@gmail.com>
21
22 PR gold/23268
23 * dynobj.cc (Versions::Versions): Change init for needs_base_version_.
24 (Versions::record_version): Add verdefs for both shared objects and
25 executables.
26 (Versions::add_def): Likewise for base version.
27 (Versions::add_need): Don't add base version for executables.
28 (Versions::version_index): Look up version for both shared objects and
29 executables.
30 * testsuite/Makefile.am (ver_test_14): New test case.
31 * testsuite/Makefile.in: Regenerate.
32 * testsuite/ver_test_14.script: New version script.
33 * testsuite/ver_test_14.sh: New test script.
34
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352018-06-19 Joshua Watt <jpewhacker@gmail.com>
36 Cary Coutant <ccoutant@gmail.com>
37
38 * configure.ac: Replace manual thread configuration with AX_PTHREAD.
39 Add --enable-threads=auto.
40 * Makefile.am (THREADFLAGS, THREADLIBS): New defines.
4ef2c1b9 41 (AM_CFLAGS, AM_CXXFLAGS): Add $(THREADFLAGS).
c8dc28bc
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42 (THREADSLIB): Remove; change all references to THREADLIBS.
43 * Makefile.in: Regenerate.
44 * aclocal.m4: Regenerate.
45 * config.in: Regenerate.
46 * configure: Regenerate.
47 * testsuite/Makefile.am (THREADSLIB): Replace with...
48 (THREADFLAGS, THREADLIBS): ... these.
49 (LDADD): Remove; add as individual defines for...
50 (object_unittest, binary_unittest, leb128_unittest)
51 (overflow_unittest): ... these tests.
52 (tls_test, tls_pic_test, tls_pie_test, tls_pie_pic_test)
53 (tls_shared_test, tls_shared_ie_test, tls_shared_gd_to_ie_test)
54 (tls_shared_gnu2_gd_to_ie_test, tls_shared_gnu2_test_LDFLAGS)
55 (tls_shared_nonpic_test_LDFLAGS): Add $(THREADFLAGS) and ($THREADLIBS).
56 * testsuite/Makefile.in: Regenerate.
57
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582018-06-19 Cary Coutant <ccoutant@gmail.com>
59
60 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add *.stderr.
61 * testsuite/Makefile.in: Regenerate.
62
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632018-06-19 Simon Marchi <simon.marchi@ericsson.com>
64
65 * configure.ac: Remove AC_PREREQ, add missing quoting and usage
66 of AC_LANG_SOURCE.
67 * Makefile.in: Re-generate.
68 * aclocal.m4: Re-generate.
69 * configure: Re-generate.
70 * testsuite/Makefile.in: Re-generate.
71
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722018-05-10 Stephen Crane <sjc@immunant.com>
73
74 * aarch64.cc (Target_aarch64::do_finalize_sections): Use size of
75 .got section for the _GLOBAL_OFFSET_TABLE_ symbol computation.
76
651d1620
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772018-04-24 Cary Coutant <ccoutant@gmail.com>
78
79 PR gold/20642
80 PR gold/22820
81 * gc.h (gc_process_relocs): Flag STT_SECTION symbols in symvec.
82 * icf.cc (get_section_contents): For merge sections, ignore the
83 addend for relocations against non-section symbols.
84
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852018-04-24 Cary Coutant <ccoutant@gmail.com>
86
87 PR gold/16504
88 * dynobj.cc (Versions::symbol_section_contents): Don't set
89 VERSYM_HIDDEN flag for undefined symbols.
90 * symtab.cc (Symbol_table::add_from_object): Don't override default
91 version definition with a different default version.
92 * symtab.h (Symbol::from_dyn): New method.
93 * testsuite/plugin_test.c (struct sym_info): Add ver field.
94 (claim_file_hook): Pass symbol version to plugin API.
95 (parse_readelf_line): Parse symbol version.
96 * testsuite/Makefile.am (ver_test_pr16504): New test case.
97 * testsuite/Makefile.in: Regenerate.
98 * testsuite/ver_test_pr16504.sh: New test script.
99 * testsuite/ver_test_pr16504_a.c: New source file.
100 * testsuite/ver_test_pr16504_a.script: New version script.
101 * testsuite/ver_test_pr16504_b.c: New source file.
102 * testsuite/ver_test_pr16504_b.script: New version script.
103
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1042018-04-19 Cary Coutant <ccoutant@gmail.com>
105
106 PR gold/23046
107 * gc.h (gc_process_relocs): Pass target to
108 scan.local_reloc_may_be_function_pointer.
109
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1102018-04-18 Nick Clifton <nickc@redhat.com>
111
112 * po/es.po: Updated Spanish translation.
113
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1142018-04-14 Cary Coutant <ccoutant@gmail.com>
115
116 PR gold/23046
117 * gc.h (gc_process_relocs): Pass target to
118 scan.global_reloc_may_be_function_pointer.
119
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1202018-04-09 Alan Modra <amodra@gmail.com>
121
122 * configure: Regenerate.
123
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1242018-04-09 Alan Modra <amodra@gmail.com>
125
126 * powerpc.cc (Target_powerpc::Track_tls::maybe_skip_tls_get_addr_call):
127 Handle inline plt sequence relocs.
128 (Stub_table::Plt_stub_key::Plt_stub_key): Likewise.
129 (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Likewise.
130 (Target_powerpc::Relocate::relocate): Likewise.
131
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1322018-04-09 Alan Modra <amodra@gmail.com>
133
134 * powerpc.cc (Target_powerpc::lplt_): New variable.
135 (Target_powerpc::lplt_section): Associated accessor.
136 (Target_powerpc::plt_off): Handle local non-ifunc symbols.
137 (Target_powerpc::make_lplt_section): New function.
138 (Target_powerpc::make_local_plt_entry): New function.
139 (Powerpc_relobj::do_relocate_sections): Write out lplt.
140 (Output_data_plt_powerpc::first_plt_entry_offset): Zero for lplt.
141 (Output_data_plt_powerpc::add_local_entry): New function.
142 (Output_data_plt_powerpc::do_write): Ignore lplt.
143 (Target_powerpc::make_iplt_section): Make lplt first.
144 (Target_powerpc::make_brlt_section): Make .branch_lt relro.
145 (Target_powerpc::Scan::local): Handle PLT16 relocs.
146
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1472018-04-09 Alan Modra <amodra@gmail.com>
148
149 * powerpc.cc (Target_powerpc::plt_off): New functions.
150 (is_plt16_reloc): New function.
151 (Stub_table::plt_off): Use Target_powerpc::plt_off.
152 (Stub_table::plt_call_size): Use plt_off.
153 (Stub_table::do_write): Likewise.
154 (Target_powerpc::Scan::get_reference_flags): Return RELATIVE_REF
155 for PLT16 relocations.
156 (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Return true
157 for PLT16 relocations.
158 (Target_powerpc::Scan::global): Make a PLT entry for PLT16 relocations.
159 (Target_powerpc::Relocate::relocate): Support PLT16 relocations.
160 (Powerpc_scan_relocatable_reloc::global_strategy): Return RELOC_SPECIAL
161 for ppc32 plt16 relocs.
162
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1632018-04-06 Cary Coutant <ccoutant@gmail.com>
164
165 * object.cc (Sized_relobj_file::include_section_group): Store
166 reference to Kept_section info for discarded comdat sections
167 regardless of size. Move size checking to map_to_kept_section.
168 (Sized_relobj_file::include_linkonce_section): Likewise.
169 (Sized_relobj_file::map_to_kept_section): Add section name parameter.
170 Insert size checking logic from above functions.
171 (Sized_relobj_file::find_kept_section_object): New method.
172 (Sized_relobj_file::get_symbol_name): New method.
173 * object.h (Sized_relobj_file::map_to_kept_section): Add section_name
174 parameter. Adjust all callers.
175 (Sized_relobj_file::find_kept_section_object): New method.
176 (Sized_relobj_file::get_symbol_name): New method.
177 (Sized_relobj_file::Kept_comdat_section): Replace object and shndx
178 fields with sh_size, kept_section, symndx, and is_comdat fields.
179 (Sized_relobj_file::set_kept_comdat_section): Replace kept_object
180 and kept_shndx parameters with is_comdat, symndx, sh_size, and
181 kept_section.
182 (Sized_relobj_file::get_kept_comdat_section): Likewise.
183 * target-reloc.h (enum Comdat_behavior): Change CB_WARNING to CB_ERROR.
184 Adjust all references.
185 (issue_undefined_symbol_error): New function template.
186 (relocate_section): Pass section name to map_to_kept_section.
187 Move discarded section code to new function above.
188 * aarch64.cc (Target_aarch64::scan_reloc_section_for_stubs): Move
189 declaration for gsym out one level. Call issue_discarded_error.
190 * arm.cc (Target_arm::scan_reloc_section_for_stubs): Likewise.
191 * powerpc.cc (Relocate_comdat_behavior): Change CB_WARNING to CB_ERROR.
192
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1932018-04-05 Cary Coutant <ccoutant@gmail.com>
194
195 * target-reloc.h (relocate_section): Add local symbol index or global
196 symbol name to warning about relocation that refers to discarded
197 section.
198
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1992018-04-05 James Cowgill <james.cowgill@mips.com>
200
201 Revert previous patch and apply revised patch.
202
203 PR gold/22770
204 * mips.cc (Mips_got_info::record_got_page_entry): Don't insert
205 Got_page_entry for object's GOT.
206 (Mips_got_info::add_got_page_entries): Add all pages from from's GOT.
207 Rename to add_got_page_count.
208 (Got_page_entry): Remove num_pages.
209
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2102018-04-05 James Cowgill <james.cowgill@mips.com>
211
212 PR gold/22770
213 * mips.cc (Mips_got_info::record_got_page_entry): Fetch existing
214 page entries for the object's GOT.
215
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2162018-04-05 Alan Modra <amodra@gmail.com>
217
218 * powerpc.cc (Target_powerpc::make_brlt_section): Make .branch_lt relro.
219
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2202018-04-04 Nick Clifton <nickc@redhat.com>
221
222 * po/es.po: Updated Spanish translation.
223
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2242018-04-02 Cary Coutant <ccoutant@gmail.com>
225
226 PR gold/23016
227 * incremental.cc (can_incremental_update): Check for unwind section
228 type.
229 * layout.h (Layout::layout): Add sh_type parameter.
230 * layout.cc (Layout::layout): Likewise.
231 (Layout::layout_reloc): Create new output reloc section if data
232 section does not already have one.
233 (Layout::layout_eh_frame): Check for unwind section type.
234 (Layout::make_eh_frame_section): Use unwind section type for .eh_frame
235 and .eh_frame_hdr.
236 * object.h (Sized_relobj_file::Shdr_write): New typedef.
237 (Sized_relobj_file::layout_section): Add sh_type parameter.
238 (Sized_relobj_file::Deferred_layout::Deferred_layout): Add sh_type
239 parameter.
240 * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
241 unwind section type.
242 (Sized_relobj_file::layout_section): Add sh_type parameter; pass it
243 to Layout::layout.
244 (Sized_relobj_file::do_layout): Make local copy of sh_type.
245 Force .eh_frame sections to unwind section type.
246 Pass sh_type to layout_section.
247 (Sized_relobj_file<size, big_endian>::do_layout_deferred_sections):
248 Pass sh_type to layout_section.
249 * output.cc (Output_section::Output_section): Initialize reloc_section_.
250 * output.h (Output_section::reloc_section): New method.
251 (Output_section::set_reloc_section): New method.
252 (Output_section::reloc_section_): New data member.
253 * target.h (Target::unwind_section_type): New method.
254 (Target::Target_info::unwind_section_type): New data member.
255
256 * aarch64.cc (aarch64_info): Add unwind_section_type.
257 * arm.cc (arm_info, arm_nacl_info): Likewise.
258 * i386.cc (i386_info, i386_nacl_info, iamcu_info): Likewise.
259 * mips.cc (mips_info, mips_nacl_info): Likewise.
260 * powerpc.cc (powerpc_info): Likewise.
261 * s390.cc (s390_info): Likewise.
262 * sparc.cc (sparc_info): Likewise.
263 * tilegx.cc (tilegx_info): Likewise.
264 * x86_64.cc (x86_64_info, x86_64_nacl_info): Likewise.
265
266 * testsuite/Makefile.am (pr23016_1, pr23016_2): New test cases.
267 * testsuite/Makefile.in: Regenerate.
268 * testsuite/testfile.cc: Add unwind_section_type.
269 * testsuite/pr23016_1.sh: New test script.
270 * testsuite/pr23016_1a.s: New source file.
271 * testsuite/pr23016_1b.s: New source file.
272 * testsuite/pr23016_2.sh: New test script.
273 * testsuite/pr23016_2a.s: New source file.
274 * testsuite/pr23016_2b.s: New source file.
275
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2762018-03-28 Cary Coutant <ccoutant@gmail.com>
277
278 PR gold/21423
279 PR gold/22500
280 * configure.ac: Call AC_USE_SYSTEM_EXTENSIONS.
281 Replace check for --enable-plugins with AC_PLUGINS.
282 * options.cc (parse_plugin, parse_plugin_opt): Remove #ifdef.
283 (General_options::finalize): Check if plugins enabled.
284 * options.h (--plugin, --plugin-opt): Define even if plugins not
285 enabled.
286 * Makefile.in: Regenerate.
287 * aclocal.m4: Regenerate.
288 * configure: Regenerate.
289 * testsuite/Makefile.in: Regenerate.
290
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2912018-03-28 Cary Coutant <ccoutant@gmail.com>
292
293 PR gold/22969
294 * aarch64-reloc.def: Add TLSLE_LDST* relocations.
295 * aarch64.cc (Target_aarch64::optimize_tls_reloc): Likewise.
296 (Target_aarch64::Scan::local): Likewise.
297 (Target_aarch64::Scan::global): Likewise.
298 (Target_aarch64::Relocate::relocate): Likewise.
299 (Target_aarch64::Relocate::relocate_tls): Likewise.
300
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3012018-03-27 Roland McGrath <mcgrathr@google.com>
302
303 * testsuite/split_x86_64.sh: Fix bad regexp.
304
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3052018-03-26 Cary Coutant <ccoutant@gmail.com>
306
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307 PR gold/22868
308 * plugin.cc (Sized_pluginobj::do_add_symbols): Use a real section
309 index instead of SHN_ABS for defined symbols.
310 * testsuite/Makefile.am (plugin_pr22868): New test case.
311 * testsuite/Makefile.in: Regenerate
312 * testsuite/plugin_pr22868.sh: New test script.
313 * testsuite/plugin_pr22868_a.c: New source file.
314 * testsuite/plugin_pr22868_b.c: New source file.
315
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3162018-03-23 Cary Coutant <ccoutant@gmail.com>
317
318 * plugin.cc (link_or_copy_file): Remove newlines from warning messages.
319 Add pedantic check for return value from ::write.
320
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3212018-03-23 Cary Coutant <ccoutant@gmail.com>
322
323 * debug.h (DEBUG_PLUGIN): New constant.
324 (DEBUG_ALL): Add DEBUG_PLUGIN.
325 (debug_string_to_enum): Likewise.
326 * plugin.cc (make_sized_plugin_object): Add filename parameter.
327 (Plugin_recorder): New class.
328 (Plugin_manager::~Plugin_manager): Delete recorder_.
329 (Plugin_manager::load_plugins): Create and initialize recorder_.
330 (Plugin_manager::claim_file): Record claimed and unclaimed files.
331 (Plugin_manager::make_plugin_object): Use object name as name for
332 plugin object, if available.
333 (Plugin_manager::add_input_file): Record replacement files.
334 (Sized_pluginobj::do_add_symbols): Record plugin symbols.
335 (Plugin_finish::run): Call Plugin_recorder::finish().
336 (make_sized_plugin_object): Add filename parameter and pass to
337 Sized_pluginobj constructor.
338 * plugin.h (Plugin::filename): New method.
339 (Plugin::recorder): New method.
340 (Plugin::recorder_): New data member.
341
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3422018-03-07 Sriraman Tallam <tmsriram@google.com>
343
344 * layout.cc (Layout::default_section_order): Check for text section
345 prefixes.
346 (Layout::text_section_name_mapping): New static member.
347 (Layout::text_section_name_mapping_count): New static member.
348 (Layout::match_section_name): New static function.
349 (Layout::output_section_name): Check for text section prefixes.
350 * layout.h (Output_section_order::ORDER_TEXT_HOT): New enum value.
351 (Output_section_order::ORDER_TEXT_STARTUP): New enum value.
352 (Output_section_order::ORDER_TEXT_EXIT): New enum value.
353 (Output_section_order::ORDER_TEXT_UNLIKELY): New enum value.
354 (Layout::text_section_name_mapping): New static member.
355 (Layout::text_section_name_mapping_count): New static member.
356 (Layout::match_section_name): New static function.
357 * options.h (keep_text_section_prefix): New -z option.
358 * testsuite/Makefile.am (keep_text_section_prefix): New test.
359 * testsuite/Makefile.in: Regenerate.
360 * testsuite/keep_text_section_prefix.cc: New test source.
361 * testsuite/keep_text_section_prefix.sh: New test script.
362
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3632018-02-22 Sriraman Tallam <tmsriram@google.com>
364
365 * plugin.cc (get_wrap_symbols): New plugin interface.
366 (load): Add get_wrap_symbols to transfer vector.
367 * plugin-api.h (ld_plugin_get_wrap_symbols): New plugin interface.
368 * testsuite/plugin_test.c (onload): Call and check get_wrap_symbols
369 interface.
370 * testsuite/plugin_test_wrap_symbols.sh: New test script.
371 * testsuite/plugin_test_wrap_symbols_1.cc: New file.
372 * testsuite/plugin_test_wrap_symbols_2.cc: New file.
373 * testsuite/Makefile.am (plugin_test_wrap_symbols): New test.
374 * testsuite/Makefile.in: Regenerate.
375
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3762018-02-07 Sriraman Tallam <tmsriram@google.com>
377
378 * expression.cc (Symbol_expression::set_expr_sym_in_real_elf):
379 New method.
380 (Unary_expression::set_expr_sym_in_real_elf): New method.
381 (Binary_expression::set_expr_sym_in_real_elf): New method.
382 (Trinary_expression::set_expr_sym_in_real_elf): New method.
383 * plugin.cc (get_symbol_resolution_info): Fix symbol resolution if
384 defined or used in defsyms.
385 * plugin.h (Plugin_manager::is_defsym_def): New method.
386 (Plugin_manager::Plugin_manager): Initialize defsym_defines_set_.
387 (Plugin_manager::defsym_defines_set_): New member.
388 (Plugin_manager::Defsym_defines_set): New typedef.
389 * script.cc (Script_options::set_defsym_uses_in_real_elf): New method.
390 (Script_options::find_defsym_defs): New method.
391 * script.h (Expression::set_expr_sym_in_real_elf): New method.
392 (Symbol_assignment::is_defsym): New method.
393 (Symbol_assignment::value): New method.
394 (Script_options::find_defsym_defs): New method.
395 (Script_options::set_defsym_uses_in_real_elf): New method.
396 * testsuite/Makefile.am (plugin_test_defsym): New test.
397 * testsuite/Makefile.in: Regenerate.
398 * testsuite/plugin_test.c: Check for new symbol resolution.
399 * testsuite/plugin_test_defsym.sh: New script.
400 * testsuite/plugin_test_defsym.c: New test source.
401
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4022018-02-07 Alan Modra <amodra@gmail.com>
403
404 Revert 2018-01-17 Alan Modra <amodra@gmail.com>
405 * options.h: Remove --speculate-indirect-jumps support.
406 * powerpc.cc: Likewise.
407
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4082018-02-02 Cary Coutant <ccoutant@gmail.com>
409
410 * PR gold/22776
411 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog): Add
412 support for DWARF-4 line number tables.
413 * dwarf_reader.h (Sized_dwarf_line_info::max_ops_per_insn): New field.
414
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4152018-01-18 Alan Modra <amodra@gmail.com>
416
417 * powerpc.cc (param_plt_align): New function supplying default
418 --plt-align values. Use it..
419 (Stub_table::plt_call_align): ..here, and..
420 (Output_data_glink::global_entry_align): ..here.
421 (Stub_table::stub_align): Correct 32-bit minimum alignment.
422
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4232018-01-17 Alan Modra <amodra@gmail.com>
424
425 * options.h (speculate_indirect_jumps): New option.
426 * powerpc.cc (beqctrm, beqctrlm, crseteq): New insn constants.
427 (output_bctr): New function.
428 (Stub_table::plt_call_size): Add space for speculation barrier.
429 (Stub_table::branch_stub_size): Likewise.
430 (Output_data_glink::pltresolve_size): Likewise.
431 (Stub_table::do_write): Output speculation barriers.
432
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4332018-01-17 Alan Modra <amodra@gmail.com>
434
435 * options.h (plt_align): Support for PowerPC32 too.
436 * powerpc.cc (Stub_table::stub_align): Heed --plt-align for 32-bit.
437 (Stub_table::plt_call_size, branch_stub_size): Tidy.
438 (Stub_table::plt_call_align): Implement using stub_align.
439 (Output_data_glink::global_entry_align): New function.
440 (Output_data_glink::global_entry_off): New function.
441 (Output_data_glink::global_entry_address): Use global_entry_off.
442 (Output_data_glink::pltresolve_size): New function, replacing
443 pltresolve_size_ constant. Update all uses.
444 (Output_data_glink::add_global_entry): Align offset.
445 (Output_data_glink::set_final_data_size): Use global_entry_align.
446 (Stub_table::do_write): Don't pad __glink_PLTrelsolve with nops.
447 Tidy stub output. Use global_entry_off.
448
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4492018-01-15 Cary Coutant <ccoutant@gmail.com>
450
451 PR gold/22694
452 * options.h (-fuse-ld): Add correct helparg.
453
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4542018-01-15 Nick Clifton <nickc@redhat.com>
455
456 * po/uk.po: Updated Ukranian translation.
457
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4582018-01-13 Nick Clifton <nickc@redhat.com>
459
460 * po/gold.pot: Regenerated.
461
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4622018-01-13 Nick Clifton <nickc@redhat.com>
463
464 2.30 branch created.
465
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4662018-01-12 Cary Coutant <ccoutant@gmail.com>
467
468 * NEWS: Add new features in 1.15.
469 * version.cc (version_string): Bump to 1.15.
470
4712018-01-12 Sterling Augustine <saugustine@google.com>
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472
473 * cref.cc (Cref_inputs::Cref_table_compare::operator): Add
474 conditionals and calls to is_forwarder.
475
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4762018-01-03 Alan Modra <amodra@gmail.com>
477
478 Update year range in copyright notice of all files.
479
1e563868 480For older changes see ChangeLog-2017
3499769a 481\f
1e563868 482Copyright (C) 2018 Free Software Foundation, Inc.
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483
484Copying and distribution of this file, with or without modification,
485are permitted in any medium without royalty provided the copyright
486notice and this notice are preserved.
487
488Local Variables:
489mode: change-log
490left-margin: 8
491fill-column: 74
492version-control: never
493End:
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