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Make memory copy functions scalar storage order barriers
[thirdparty/gcc.git] / libbacktrace / ChangeLog
CommitLineData
885ef72f
GA		 12020-05-29 H.J. Lu <hjl.tools@gmail.com>
2
3 PR bootstrap/95413
4 * configure: Regenerated.
5
4c1a5d8b
L		 62020-05-15 H.J. Lu <hongjiu.lu@intel.com>
7
8 PR bootstrap/95147
9 * configure: Regenerated.
10
8d286dd1
L		 112020-05-14 H.J. Lu <hongjiu.lu@intel.com>
12
13 * configure: Regenerated.
14
d2ec2786
ILT		 152020-05-13 Ian Lance Taylor <iant@golang.org>
16
17 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
18
702adbb2
ILT		 192020-05-13 Ian Lance Taylor <iant@golang.org>
20
21 PR go/95061
22 * posix.c (backtrace_open): Treat EACCESS like ENOENT.
23
242020-05-12 H.J. Lu <hongjiu.lu@intel.com>
d2148648
L		 25
26 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
27 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
28 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
29 enabled.
30 * Makefile.in: Regenerated.
31 * configure: Likewise.
32
47f4703c
ILT		 332020-05-11 Ian Lance Taylor <iant@golang.org>
34
35 PR libbacktrace/95012
36 * configure.ac: Check for getpagesize declaration.
37 * mmap.c: Declare getpagesize if necessary.
38 * mmapio.c: Likewise.
39 * configure: Regenerate.
40 * config.h.in: Regenerate.
41 * Makefile.in: Regenerate.
42
ef639420
ILT		 432020-05-09 Roland McGrath <mcgrathr@google.com>
44
45 * elf.c (elf_add): Bail early if there are no section headers at all.
46
8600440e
ILT		 472020-05-09 Ian Lance Taylor <iant@golang.org>
48
49 * elf.c (elf_add): Don't free strtab if an error occurs after
50 recording symbol information.
51
dea40c94
ILT		 522020-05-09 Ian Lance Taylor <iant@golang.org>
53
54 PR libbacktrace/88745
55 * macho.c: New file.
56 * filetype.awk: Recognize Mach-O files.
57 * Makefile.am (FORMAT_FILES): Add macho.c.
58 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
59 (%.dSYM): New pattern target.
60 (test_macho_SOURCES, test_macho_CFLAGS): New targets.
61 (test_macho_LDADD): New target.
62 (BUILDTESTS): Add test_macho.
63 (macho.lo): Add dependencies.
64 * configure.ac: Recognize macho file type. Check for
65 mach-o/dyld.h. Don't try to run objcopy if we don't find it.
66 Look for dsymutil and define a HAVE_DSYMUTIL conditional.
67 * Makefile.in: Regenerate.
68 * configure: Regenerate.
69 * config.h.in: Regenerate.
70
4b26b138
ILT		 712020-05-09 Ian Lance Taylor <iant@golang.org>
72
73 * read.c (backtrace_get_view): Support short read.
74
31ae7b86
ILT		 752020-05-09 Ian Lance Taylor <iant@golang.org>
76
77 * elf.c (elf_add): If debug sections are very large or far apart,
78 read them individually rather than as a single view.
79
26135684
ILT		 802020-05-08 Ian Lance Taylor <iant@golang.org>
81
82 * fileline.c (sysctl_exec_name): New static function.
83 (sysctl_exec_name1): New macro or static function.
84 (sysctl_exec_name2): Likewise.
85 (fileline_initialize): Try sysctl_exec_name[12].
86 * configure.ac: Check for sysctl args to fetch executable name.
87 * configure: Regenerate.
88 * config.h.in: Regenerate.
89
9a3d019a
ILT		 902020-02-15 Ian Lance Taylor <iant@golang.org>
91
92 * ztest.c (test_large): Update file to current libgo test file.
93
628ee3c2
ILT		 942020-02-03 Ian Lance Taylor <iant@golang.org>
95
96 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
97 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
98 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
99 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
100 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
101 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
102 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
103 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
104 (stest_alloc_CFLAGS): Likewise.
105 * Makefile.in: Regenerate.
106 * ztest.c (error_callback_compress): Mark vdata unused.
107 (test_large): Add casts to avoid warnings.
108
8d9254fc
JJ		 1092020-01-01 Jakub Jelinek <jakub@redhat.com>
110
111 Update copyright years.
112
c926fd82
ILT		 1132019-12-13 Ian Lance Taylor <iant@golang.org>
114
115 Add DWARF 5 support.
116 * dwarf.c (struct attr): Add val field.
117 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
118 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
119 (struct line_header): Add addrsize field.
120 (struct line_header_format): Define.
121 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
122 fields.
123 (read_uint24): New static function.
124 (read_attribute): Add implicit_val parameter. Replace dwarf_str
125 and dwarf_str_size parameters with dwarf_sections parameter. Add
126 support for new DWARF 5 forms. Change all callers.
127 (resolve_string): New static function.
128 (resolve_addr_index): Likewise.
129 (read_abbrevs): Support DW_FORM_implicit_const.
130 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
131 and ranges_is_index fields.
132 (update_pcrange): Support DWARF 5 encodings.
133 (add_high_low_range): New static function, split out of
134 add_ranges.
135 (add_ranges_from_ranges): Likewise.
136 (add_ranges_from_rnglists): New static function.
137 (add_ranges): Just call new helper functions.
138 (find_address_ranges): Use resolve_string for strings, after
139 reading all attributes. Handle new DWARF 5 attributes.
140 (build_address_map): Support DWARF 5 compilation units.
141 (read_v2_paths): New static function, split out of
142 read_line_header.
143 (read_lnct): New static function.
144 (read_line_header_format_entries): Likewise.
145 (read_line_header): Add ddata parameter. Support DWARF 5 line
146 headers. Call new helper functions. Change all callers.
147 (read_line_program): Use addrsize from line program header. Don't
148 special case directory index 0 for DWARF 5.
149 (read_referenced_name): Use resolve_string.
150 (read_function_entry): Handle DWARF 5 encodings. Use
151 resolve_string.
152 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
153 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
154 * elf.c (dwarf_section_names): Add new section names.
155 * pecoff.c (dwarf_section_names): Likewise.
156 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
157 fields.
158 * configure.ac: Define HAVE_DWARF5 automake conditional.
159 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
160 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
161 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
162 (dwarf5_alloc_LDADD): Likewise.
163 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
164 (CLEANFILES, clean-local): Define.
165
4b3fc188
ILT		 1662019-12-08 Ian Lance Taylor <iant@golang.org>
167
168 * dwarf.c (struct pcrange): Define.
169 (update_pcrange, add_ranges): New static functions.
170 (add_unit_addr): Change signature to work with add_ranges. Don't
171 add base_address here.
172 (add_unit_ranges): Remove.
173 (find_address_ranges): Replace str/ranges parameters with
174 dwarf_sections. Use update_pcrange and add_ranges. Change all
175 callers.
176 (add_function_range): Change signature to work with add_ranges.
177 Don't add base_address here.
178 (add_function_ranges): Remove.
179 (read_function_entry): Use update_pcrange and add_ranges.
180
70bfe5a7
ILT		 1812019-12-04 Ian Lance Taylor <iant@golang.org>
182
183 * edtest.c (test1): Add noclone attribute.
184
66ab5839
ILT		 1852019-12-04 Ian Lance Taylor <iant@golang.org>
186
187 * internal.h (enum dwarf_section): Define.
188 (struct dwarf_sections): Define.
189 (backtrace_dwarf_add): Update declaration to replace specific
190 section parameters with dwarf_sections parameter.
191 * dwarf.c (struct dwarf_data): Replace specific section fields
192 with dwarf_sections field.
193 (read_attribute): Use dwarf_sections with altlink.
194 (build_address_map): Replace specific section parameters with
195 dwarf_sections parameter. Change all callers.
196 (read_line_info): Use dwarf_sections with ddata.
197 (read_referenced_name): Likewise.
198 (add_function_ranges): Likewise.
199 (read_function_entry): Likewise.
200 (read_function_info): Likewise.
201 (build_dwarf_data): Replace specific section parameters with
202 dwarf_sections parameter. Change all callers.
203 (backtrace_dwarf_add): Likewise.
204 * elf.c (enum debug_section): Remove.
205 (dwarf_section_names): Remove .zdebug names.
206 (elf_add): Track zsections separately. Build dwarf_sections.
207 * pecoff.c (enum debug_section): Remove.
208 (struct debug_section_info): Remove data field.
209 (coff_add): Build dwarf_sections.
210 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
211 references with DEBUG_xxx references.
212 (xcoff_add): Build dwarf_sections.
213
e9085da5
MR		 2142019-09-27 Maciej W. Rozycki <macro@wdc.com>
215
216 * configure: Regenerate.
217
5fe5f75f
ILT		 2182019-09-26 Ian Lance Taylor <iant@golang.org>
219
220 PR libbacktrace/91908
221 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
222 __sync_bool_compare_and_swap to void.
223 * xcoff.c (backtrace_initialize): Likewise.
224
2f2aeda9
UW		 2252019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
226
227 * configure.ac: Remove references to spu.
228 * configure: Regenerate.
229
245254b8
CC		 2302019-05-24 Clement Chigot <clement.chigot@atos.net>
231
232 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
233 test_elf_64.
234 * Makefile.in: Regenerate.
235
ccd1242e
RO		 2362019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
237
238 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
239 handling.
240 * configure: Regenerate.
241
7856fb45
ILT		 2422019-03-11 Ian Lance Taylor <iant@golang.org>
243
244 PR libbacktrace/89669
245 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
246 HAVE_ELF.
247 * Makefile.in: Regenerate.
248
067aef03
TV		 2492019-02-26 Tom de Vries <tdevries@suse.de>
250
251 * btest.c (test5): Allow global.* as minimal symbol name for global.
252
d831b1ec
TV		 2532019-02-26 Tom de Vries <tdevries@suse.de>
254
255 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
256 * Makefile.in: Regenerate.
257
68641fb7
TV		 2582019-02-12 Tom de Vries <tdevries@suse.de>
259
260 PR libbacktrace/81983
261 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
262
c51b2c8c
TV		 2632019-02-10 Tom de Vries <tdevries@suse.de>
264
265 * Makefile.am (BUILDTESTS): Add btest_lto.
266 * Makefile.in: Regenerate.
267 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
268 __attribute__((noclone)).
269
4af50e13
TV		 2702019-02-08 Tom de Vries <tdevries@suse.de>
271
272 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
273 * print.c (backtrace_print): Same.
274 * simple.c (backtrace_simple): Same.
275
2bd0a246
TV		 2762019-02-08 Tom de Vries <tdevries@suse.de>
277
278 PR libbacktrace/78063
279 * dwarf.c (build_address_map): Keep all parsed units.
280 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
281
3a3f5dd1
TV		 2822019-01-31 Tom de Vries <tdevries@suse.de>
283
284 PR libbacktrace/89136
285 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
286 'debugaltlink_name_len =+ 1'.
287
fddbc193
TV		 2882019-01-29 Tom de Vries <tdevries@suse.de>
289
290 * install-debuginfo-for-buildid.sh.in: New script.
291 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
292 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
293 * Makefile.in: Regenerate.
294 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
295 (READELF): Set with AC_CHECK_PROG.
296 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
297 * configure: Regenerate.
298 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
299 (elf_open_debugfile_by_buildid): ... here.
300
57f0d303
TV		 3012019-01-29 Tom de Vries <tdevries@suse.de>
302
303 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
304 allocfail.
305 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
306 (check_PROGRAMS): Add BUILDTESTS.
307 * Makefile.in: Regenerate.
308
62d4a355
TV		 3092019-01-28 Tom de Vries <tdevries@suse.de>
310
311 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
312 Use $< to access prerequisite.
313 * Makefile.in: Regenerate.
314
4bfcd139
NS		 3152019-01-25 Nathan Sidwell <nathan@acm.org>
316
317 * elf.c (elf_add): Pass "" filename to recursive call with
318 separated debug.
319
c75795fa
TV		 3202019-01-25 Tom de Vries <tdevries@suse.de>
321
322 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
323 filename == "".
324 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
325 * Makefile.in: Regenerate.
326
37ab491d
TV		 3272019-01-25 Tom de Vries <tdevries@suse.de>
328
329 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
330 (TESTS): Rename dtest to btest_gnudebuglink.
331 * Makefile.in: Regenerate.
332
3f5d2012
TV		 3332019-01-23 Tom de Vries <tdevries@suse.de>
334
335 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
336 (units_search, find_unit): Use size_t for offset.
337 (build_address_map): Use size_t for unit_offset.
338
5e2a7241
GP		 3392019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
340
341 * allocfail.c (main): Increase portability of printf statement.
342
8b248c17
ILT		 3432019-01-18 Ian Lance Taylor <iant@golang.org>
344
345 PR libbacktrace/88890
346 * mmapio.c (backtrace_get_view): Change size parameter to
347 uint64_t. Check that value fits in size_t.
348 * read.c (backtrace_get_view): Likewise.
349 * internal.h (backtrace_get_view): Update declaration.
350 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
351
10f48858
TV		 3522019-01-17 Tom de Vries <tdevries@suse.de>
353
354 PR libbacktrace/82857
355 * configure.ac (DWZ): Set with AC_CHECK_PROG.
356 (HAVE_DWZ): Set with AM_CONDITIONAL.
357 * configure: Regenerate.
358 * Makefile.am (TESTS): Add btest_dwz.
359 * Makefile.in: Regenerate.
360
1c2a9a37
TV		 3612019-01-17 Tom de Vries <tdevries@suse.de>
362
363 PR libbacktrace/82857
364 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
365 (read_attribute): Handle DW_FORM_GNU_ref_alt using
366 ATTR_VAL_REF_ALT_INFO.
367 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
368
9d576782
TV		 3692019-01-17 Tom de Vries <tdevries@suse.de>
370
371 * dwarf.c (struct unit): Add low_offset and high_offset fields.
372 (struct unit_vector): New type.
373 (struct dwarf_data): Add units and units_counts fields.
374 (find_unit): New function.
375 (find_address_ranges): Add and handle unit_tag parameter.
376 (build_address_map): Add and handle units_vec parameter.
377 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
378 units vector.
379
f2f00d3a
TV		 3802019-01-17 Tom de Vries <tdevries@suse.de>
381
382 PR libbacktrace/82857
383 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
384 using altlink.
385
944f59ff
TV		 3862019-01-17 Tom de Vries <tdevries@suse.de>
387
388 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
389 (read_attribute): Add altlink parameter. Handle missing altlink for
390 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
391 (find_address_ranges, build_address_map, build_dwarf_data): Add and
392 handle altlink parameter.
393 (read_referenced_name, read_function_entry): Add argument to
394 read_attribute call.
395
9ad458d5
TV		 3962019-01-17 Tom de Vries <tdevries@suse.de>
397
398 * dwarf.c (struct dwarf_data): Add altlink field.
399 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
400 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
401 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
402 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
403 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
404 * xcoff.c (xcoff_add): Same.
405
e6f00c83
TV		 4062019-01-17 Tom de Vries <tdevries@suse.de>
407
408 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
409 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
410 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
411 argument to backtrace_dwarf_add call.
412 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
413 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
414 * xcoff.c (xcoff_add): Same.
415
a34c2a3d
TV		 4162019-01-17 Tom de Vries <tdevries@suse.de>
417
418 * elf.c (elf_add): Add and handle with_buildid_data and
419 with_buildid_size parameters. Handle .gnu_debugaltlink section.
420 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
421
07e1534f
TV		 4222019-01-16 Tom de Vries <tdevries@suse.de>
423
424 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
425 of ...
426 (read_referenced_name): ... here, and ...
427 (read_function_entry): ... here.
428
df1de064
TV		 4292019-01-16 Tom de Vries <tdevries@suse.de>
430
431 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
432 name.
433 (read_function_entry): Same. Don't allow name found via
434 DW_AT_abstract_origin or case DW_AT_specification to override linkage
435 name.
436
67914693
SL		 4372019-01-09 Sandra Loosemore <sandra@codesourcery.com>
438
439 PR other/16615
440
441 * backtrace.h: Mechanically replace "can not" with "cannot".
442
a5544970
JJ		 4432019-01-01 Jakub Jelinek <jakub@redhat.com>
444
445 Update copyright years.
446
4b420b27
GP		 4472018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
448
449 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
450 in sed pattern.
451 * Makefile.in: Regenerate.
452
eb33bf0a
TV		 4532018-12-28 Tom de Vries <tdevries@suse.de>
454
455 * dwarf.c (build_address_map): Reuse unused units.
456
d9aa0961
TV		 4572018-12-28 Tom de Vries <tdevries@suse.de>
458
459 * dwarf.c (build_address_map): Simplify by removing local variable
460 abbrevs.
461
40b8d3b2
ILT		 4622018-12-28 Ian Lance Taylor <iant@golang.org>
463 Tom de Vries <tdevries@suse.de>
464
465 PR libbacktrace/88063
466 * dwarf.c (free_unit_addrs_vector): Remove.
467 (build_address_map): Keep track of allocated units in vector. Free
468 allocated units and corresponding abbrevs upon failure. Remove now
469 redundant call to free_unit_addrs_vector. Free addrs vector upon
470 failure. Free allocated unit vector.
471
53a52133
TV		 4722018-12-28 Tom de Vries <tdevries@suse.de>
473
474 * dwarf.c (build_address_map): Free addrs vector upon failure.
475
a37a52e5
TV		 4762018-12-14 Tom de Vries <tdevries@suse.de>
477
478 PR testsuite/88491
479 * allocfail.sh: Remove "set -o pipefail".
480
d665cd9b
TV		 4812018-12-12 Tom de Vries <tdevries@suse.de>
482
483 * Makefile.am (TESTS): Add allocfail.sh.
484 (check_PROGRAMS): Add allocfail.
485 * Makefile.in: Regenerate.
486 * instrumented_alloc.c: New file. Redefine malloc and realloc.
487 Include alloc.c.
488 * allocfail.c: New file.
489 * allocfail.sh: New file.
490
187b9e1d
TV		 4912018-11-30 Tom de Vries <tdevries@suse.de>
492
493 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
494 test_xcoff_64, test_pecoff and test_unknown.
495 * Makefile.in: Regenerate.
496 * test_format.c: New file.
497
9b7d1a97
TV		 4982018-11-30 Tom de Vries <tdevries@suse.de>
499
500 * Makefile.am : Add _with_alloc version for each test in
501 check_PROGRAMS.
502 * Makefile.in: Regenerate.
503
518a3a21
TV		 5042018-11-30 Tom de Vries <tdevries@suse.de>
505
506 * internal.h (backtrace_vector_free): New static inline fuction,
507 factored out of ...
508 * dwarf.c (read_line_info): ... here.
509
18c742b5
TV		 5102018-11-28 Tom de Vries <tdevries@suse.de>
511
512 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
513 failure.
514
6d760a01
TV		 5152018-11-27 Tom de Vries <tdevries@suse.de>
516
517 * mmap.c (backtrace_vector_release): Same.
518 * unittest.c (test1): Add check.
519
0c155f24
TV		 5202018-11-27 Tom de Vries <tdevries@suse.de>
521
522 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
523 instead of realloc.
524 * Makefile.am (check_PROGRAMS): Add unittest.
525 * Makefile.in: Regenerate.
526 * unittest.c: New file.
527
292592c5
TV		 5282018-11-22 Tom de Vries <tdevries@suse.de>
529
530 * dwarf.c (read_initial_length): Factor out of ...
531 (build_address_map, read_line_info): ... here.
532
17112570
TV		 5332018-11-21 Tom de Vries <tdevries@suse.de>
534
535 * dwarf.c (read_string): Factor out of ...
536 (read_attribute, read_line_header, read_line_program): ... here.
537
22e05272
JM		 5382018-10-31 Joseph Myers <joseph@codesourcery.com>
539
540 PR bootstrap/82856
541 * Makefile.am: Include multilib.am.
542 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
543 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
544
a2a86641
ILT		 5452018-10-05 Ian Lance Taylor <iant@golang.org>
546
547 PR libbacktrace/87529
548 * backtrace.h: Document that backtrace_create_state should be
549 called only once.
550
2206fb89
IB		 5512018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
552
553 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
554 * Makefile.in: Regenerate.
555 * config.h.in: Likewise.
556 * configure: Likewise.
557
ca9a1314
TR		 5582018-08-01 Tony Reix <tony.reix@atos.net>
559
560 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
561 (struct xcoff_func, struct xcoff_func_vector): New structs.
562 (xcoff_syminfo): Drop leading dot from symbol name.
563 (xcoff_line_compare, xcoff_line_search): Remove.
564 (xcoff_func_compare, xcoff_func_search): New static functions.
565 (xcoff_lookup_pc): Search function table.
566 (xcoff_add_line, xcoff_process_linenos): Remove.
567 (xcoff_initialize_fileline): Build function table.
568
1ac6620a
DK		 5692018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
570
571 PR other/86198
572 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
573 checking up to 36 bytes.
574
7b47ecf2
L		 5752018-04-24 H.J. Lu <hongjiu.lu@intel.com>
576
577 * configure: Regenerated.
578
a0e1df88
JJ		 5792018-04-19 Jakub Jelinek <jakub@redhat.com>
580
581 * configure: Regenerated.
582
21070494
ILT		 5832018-04-17 Ian Lance Taylor <iant@golang.org>
584
585 * backtrace.c: Revert last two changes. Don't call mmap
586 directly.
587
c36af1b4
ILT		 5882018-04-17 Ian Lance Taylor <iant@golang.org>
589
590 * backtrace.c: Include backtrace-supported.h before checking
591 BACKTRACE_USES_MALLOC.
592
83a658ca
ILT		 5932018-04-17 Ian Lance Taylor <iant@golang.org>
594
595 * backtrace.c (backtrace_full): When testing whether we can
596 allocate memory, call mmap directly, and munmap the memory.
597
c5c4b2ae
JJ		 5982018-04-04 Jakub Jelinek <jakub@redhat.com>
599
600 PR other/85161
601 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
602 big endian, only use 32-bit loads if endianity macros are predefined
603 and indicate big or little endian.
604
14e335ed
IT		 6052018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
606
607 PR target/84148
608 * configure: Regenerate.
609
bcc23586
JJ		 6102018-02-15 Jakub Jelinek <jakub@redhat.com>
611
612 PR other/82368
613 * elf.c (SHT_PROGBITS): Undefine and define.
614
da07141f
JJ		 6152018-02-14 Jakub Jelinek <jakub@redhat.com>
616
617 PR other/82368
618 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
619 (struct elf_ppc64_opd_data): New type.
620 (elf_initialize_syminfo): Add opd argument, handle symbols
621 pointing into the PowerPC64 ELFv1 .opd section.
622 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
623 to structure with .opd data to elf_initialize_syminfo.
624
65d0b859
ILT		 6252018-01-31 Ian Lance Taylor <iant@golang.org>
626
627 * elf.c (elf_add): Close descriptor if we use a debugfile.
628 * btest.c (check_open_files): New static function.
629 (main): Call check_open_files.
630
96f7c2a9
ILT		 6312018-01-25 Ian Lance Taylor <iant@golang.org>
632
633 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
634 desired CRC is zero.
635 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
636
a794e494
ILT		 6372018-01-25 Ian Lance Taylor <iant@golang.org>
638
639 * pecoff.c (coff_add): Only release syms_view if it is valid.
640
45f3ab19
ILT		 6412018-01-25 Ian Lance Taylor <iant@golang.org>
642
643 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
644
017707ce
ILT		 6452018-01-24 Ian Lance Taylor <iant@golang.org>
646
647 * pecoff.c (coff_add): Use coff_read4, not memcpy.
648
3fe3c7d7
ILT		 6492018-01-24 Ian Lance Taylor <iant@golang.org>
650
651 PR other/68239
652 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
653 on the free list.
654
47c699f5
TR		 6552018-01-19 Tony Reix <tony.reix@atos.net>
656
657 * xcoff.c (xcoff_incl_compare): New function.
658 (xcoff_incl_search): New function.
659 (xcoff_process_linenos): Use bsearch to find include file.
660 (xcoff_initialize_fileline): Sort include file information.
661
566588f1
ILT		 6622018-01-16 Ian Lance Taylor <iant@golang.org>
663
664 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
665 288.
666 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
667 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
668 (elf_zlib_default_table): Update.
669 (elf_zlib_default_dist_table): New static array.
670 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
671 for block type 1.
672 * ztest.c (struct zlib_test): Add uncompressed_len.
673 (tests): Initialize uncompressed_len field. Add new test case.
674 (test_samples): Use uncompressed_len field.
675
85ec4feb
JJ		 6762018-01-03 Jakub Jelinek <jakub@redhat.com>
677
678 Update copyright years.
679
44685d37
IT		 6802017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
681
682 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
683 * aclocal.m4: Regenerate.
684 * Makefile.in: Likewise.
685 * configure: Likewise.
686
549d24e9
ILT		 6872017-10-06 Ian Lance Taylor <iant@golang.org>
688
689 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
690 zlib uncompress function.
691
a978e26b
ILT		 6922017-10-05 Ian Lance Taylor <iant@golang.org>
693
694 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
695 Read a four byte integer.
696 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
697 boundary before ever calling elf_zlib_fetch.
698 * ztest.c (test_large): Simplify print statements a bit.
699
8398c1df
ILT		 7002017-10-02 Ian Lance Taylor <iant@golang.org>
701
702 * ztest.c: #include <errno.h>.
703 (TEST_TIMING): Don't define, don't test.
704 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
705 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
706 (ZLIB_CLOCK_GETTIME_ARG): Define.
707 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
708 * Makefile.am: Likewise.
709 * configure, Makefile.in: Rebuild.
710
dbc31f20
TS		 7112017-10-02 Thomas Schwinge <thomas@codesourcery.com>
712
dd954c67
TS		 713 PR other/67165
714 * Makefile.am: Append the content of clock_gettime_link to
715 ztest_LDADD.
716 * configure.ac: Test for the case that clock_gettime is in librt.
717 * Makefile.in: Regenerate.
718 * configure: Likewise.
719
dbc31f20
TS		 720 PR other/67165
721 * configure.ac: Check for clock_gettime.
722 * config.h.in: Regenerate.
723 * configure: Likewise.
724 * ztest.c (average_time, test_large): Conditionalize test timing
725 on clock_gettime availability.
726
e90c74f5
TR		 7272017-09-29 Tony Reix <tony.reix@atos.net>
728
729 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
730 (STYP_DWARF, SSUBTYP_DW*): Define.
731 (enum dwarf_section): Define.
732 (struct dwsect_info): Define.
733 (xcoff_add): Look for DWARF sections, pass them to
734 backtrace_dwarf_add.
735
8da872d9
ILT		 7362017-09-28 Ian Lance Taylor <iant@golang.org>
737
738 PR other/67165
739 * elf.c (__builtin_prefetch): Define if not __GNUC__.
740 (unlikely): Define.
741 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
742 (b_elf_chdr): Define type.
743 (enum debug_section): Add ZDEBUG_xxx values.
744 (debug_section_names): Add names for new sections.
745 (struct debug_section_info): Add compressed field.
746 (elf_zlib_failed, elf_zlib_fetch): New static functions.
747 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
748 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
749 (HUFFMAN_SECONDARY_SHIFT): Define.
750 (ZDEBUG_TABLE_SIZE): Define.
751 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
752 (final_next_secondary): New static variable if
753 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
754 (elf_zlib_inflate_table): New static function.
755 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
756 function to produce fixed Huffman table.
757 (elf_zlib_default_table): New static variable.
758 (elf_zlib_inflate): New static function.
759 (elf_zlib_verify_checksum): Likewise.
760 (elf_zlib_inflate_and_verify): Likewise.
761 (elf_uncompress_zdebug): Likewise.
762 (elf_uncompress_chdr): Likewise.
763 (backtrace_uncompress_zdebug): New extern function.
764 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
765 sections, and uncompress them.
766 * internal.h (backtrace_compress_zdebug): Declare.
767 * ztest.c: New file.
768 * configure.ac: Check for -lz and check whether the linker
769 supports --compress-debug-sections.
770 * Makefile.am (ztest_SOURCES): New variable.
771 (ztest_CFLAGS, ztest_LDADD): New variables.
772 (check_PROGRAMS): Add ztest.
773 (ctestg_SOURCES): New variable.
774 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
775 (ctesta_SOURCES): New variable.
776 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
777 (check_PROGRAMS): Add ctestg and ctesta.
778 * configure, config.h.in, Makefile.in: Rebuild.
779
8c2ea6b2
ILT		 7802017-09-22 Ian Lance Taylor <iant@golang.org>
781
782 PR sanitizer/77631
783 * configure.ac: Check for lstat and readlink.
784 * elf.c (lstat, readlink): Provide dummy versions if real versions
785 are not available.
786 * configure, config.h.in: Rebuild.
787
f0de4542
ILT		 7882017-09-21 Ian Lance Taylor <iant@google.com>
789
790 PR go/82284
791 * elf.c (backtrace_initialize): Set pd.exe_filename.
792
9283471b
ILT		 7932017-09-20 Ian Lance Taylor <iant@golang.org>
794 Denis Khalikov <d.khalikov@partner.samsung.com>
795
796 PR sanitizer/77631
797 Support for external debug info.
798 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
799 (S_ISLNK): Define if not defined.
800 (xstrnlen): Define if strnlen is not available.
801 (b_elf_note): Define type.
802 (NT_GNU_BUILD_ID): Define macro.
803 (elf_crc32, elf_crc32_file): New static functions.
804 (elf_is_symlink, elf_readlink): New static functions.
805 (elf_open_debugfile_by_buildid): New static function.
806 (elf_try_debugfile): New static function.
807 (elf_find_debugfile_by_debuglink): New static function.
808 (elf_open_debugfile_by_debuglink): New static function.
809 (elf_add): Add filename and debuginfo parameters. Adjust all
810 callers. Look for external debug info notes, and try to fetch
811 debug info from external file.
812 (struct phdr_data): Add exe_filename field.
813 (phdr_callback): Pass filename to elf_add.
814 (backtrace_initialize): Add filename parameter.
815 * internal.h (backtrace_initialize): Add filename parameter.
816 * fileline.c (fileline_initialize): Pass filename to
817 backtrace_initialize.
818 * pecoff.c (fileline_initialize): Add unused filename parameter.
819 * unknown.c (fileline_initialize): Likewise.
820 * xcoff.c (fileline_initialize): Likewise.
821 * configure.ac: Check for objcopy --add-gnu-debuglink.
822 * Makefile.am (dtest): New test target.
823 * configure, Makefile.in: Rebuild.
824
29788f90
SE		 8252017-09-12 Steve Ellcey <sellcey@cavium.com>
826
827 PR other/81096
828 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
829 * Makefile.in: Regenerate.
830
917a804c
SE		 8312017-09-12 Steve Ellcey <sellcey@cavium.com>
832
833 PR other/81096
834 * libbacktrace/Makefile.in
835 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
836
2e6af1b8
DE		 8372017-08-02 David Edelsohn <dje.gcc@gmail.com>
838
8a0e6224 839 PR bootstrap/81638
2e6af1b8
DE		 840 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
841
afce7deb
TR		 8422017-07-28 Tony Reix <tony.reix@atos.net>
843
844 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
845
cf311b03
RO		 8462017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
847
848 * fileline.c (fileline_initialize): Print pid_t as long.
849
7e2a8417
TR		 8502017-07-26 Tony Reix <tony.reix@atos.net>
851
852 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
853 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
854 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
855 * configure, config.h.in: Regenerate.
856
b3530b94
TR		 8572017-07-21 Tony Reix <tony.reix@atos.net>
858
859 * filetype.awk: Add AIX XCOFF type detection.
860 * configure.ac: Recognize xcoff format.
861 * Makefile.am (FORMAT_FILES): Add xcoff.c.
862 * fileline.c: Include <unistd.h>.
863 (fileline_initialize): Add case for AIX procfs.
864 * xcoff.c: New file.
865 * configure, Makefile.in: Rebuild.
866
e91a2ddc
RB		 8672017-06-21 Richard Biener <rguenther@suse.de>
868
869 * configure.ac: Add AC_SYS_LARGEFILE.
870 * config.h.in: Regenerate.
871 * configure: Likewise.
872
d1609a23
ILT		 8732017-06-11 Ian Lance Taylor <iant@golang.org>
874
875 * elf.c (backtrace_initialize): Always set *fileline_fn.
876 * ttest.c: New file.
877 * btest.c: Move support functions into testlib.c. Change calls to
878 check to pass file name.
879 * testlib.c: New file, copied from (part of) btest.c.
880 * testlib.h: New file, declarations for testlib.c.
881 * edtest.c: Use testlib.h and testlib.c.
882 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
883 * Makefile.am (btest_SOURCES): Add testlib.c.
884 (edtest_SOURCES): Likewise.
885 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
886 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
887 * configure, Makefile.in: Rebuild.
888
281161d1
TM		 8892017-05-19 Than McIntosh <thanm@google.com>
890
891 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
892 (read_line_header): Don't allocate dirs if dirs_count == 0.
893 * edtest.c: New file.
894 * edtest2.c: New file.
895 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
896 (check_PROGRAMS): Add edtest.
897 (edtest2_build.c, gen_edtest2_build): New targets.
898 * Makefile.in: Rebuild.
899
121eb024
ST		 9002017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
901
902 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
903 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
904
cbe34bb5
JJ		 9052017-01-01 Jakub Jelinek <jakub@redhat.com>
906
907 Update copyright years.
908
84c1b9d3
MK		 9092016-11-15 Matthias Klose <doko@ubuntu.com>
910
911 * configure: Regenerate.
912
84ebf639
CL		 9132016-09-11 Carlos Liam <carlos@aarzee.me>
914
915 * all: Remove meaningless trailing whitespace.
916
28644f75
UB		 9172016-05-18 Uros Bizjak <ubizjak@gmail.com>
918
919 PR target/71161
920 * elf.c (phdr_callback) [__i386__]: Add
921 __attribute__((__force_align_arg_pointer__)).
922
26ac52db
MO		 9232016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
924
925 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
926 avoid possible crash.
927 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
928 missing debug info anymore.
929
09b08e17
JDA		 9302016-02-06 John David Anglin <danglin@gcc.gnu.org>
931
932 * mmap.c (MAP_FAILED): Define if not defined.
933
818ab71a
JJ		 9342016-01-04 Jakub Jelinek <jakub@redhat.com>
935
936 Update copyright years.
937
5b4bbc7d
AP		 9382015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
939
28644f75
UB		 940 * configure.ac: Specify that DJGPP do not have mmap
941 even when sys/mman.h exists.
5b4bbc7d
AP		 942 * configure: Regenerate
943
2f401a8f
JDA		 9442015-12-09 John David Anglin <danglin@gcc.gnu.org>
945
28644f75 946 PR libgfortran/68115
2f401a8f
JDA		 947 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
948 * configure: Regenerate.
949 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
950 to void.
951
750cdaf7
ILT		 9522015-09-17 Ian Lance Taylor <iant@google.com>
953
954 * posix.c (backtrace_open): Cast second argument of open() to int.
955
fc002444
ILT		 9562015-09-11 Ian Lance Taylor <iant@google.com>
957
958 * Makefile.am (backtrace.lo): Depend on internal.h.
959 (sort.lo, stest.lo): Add explicit dependencies.
960 * Makefile.in: Rebuild.
961
50809ff9
HPN		 9622015-09-09 Hans-Peter Nilsson <hp@axis.com>
963
964 * backtrace.c: #include <sys/types.h>.
965
c478516b
ILT		 9662015-09-08 Ian Lance Taylor <iant@google.com>
967
968 PR other/67457
969 * backtrace.c: #include "internal.h".
970 (struct backtrace_data): Add can_alloc field.
971 (unwind): If can_alloc is false, don't try to get file/line
972 information.
973 (backtrace_full): Set can_alloc field in bdata.
974 * alloc.c (backtrace_alloc): Don't call error_callback if it is
975 NULL.
976 * mmap.c (backtrace_alloc): Likewise.
977 * internal.h: Update comments for backtrace_alloc and
978 backtrace_free.
979
981d281f
ILT		 9802015-09-08 Ian Lance Taylor <iant@google.com>
981
982 PR other/67457
983 * mmap.c (backtrace_alloc): Correct test for mmap failure.
984
8f5027bf
UW		 9852015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
986
987 * configure.ac: For spu-*-* targets, set have_fcntl to no.
988 * configure: Regenerate.
989
7e5c7547
UW		 9902015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
991
992 * configure.ac: Remove [disable-shared] argument to LT_INIT.
993 Remove setting PIC_FLAG when building as target library.
994 * configure: Regenerate.
995
7ce9cf39
HPN		 9962015-08-26 Hans-Peter Nilsson <hp@axis.com>
997
998 * configure.ac: Only compile with -fPIC if the target
999 supports it.
1000 * configure: Regenerate.
1001
1b533361
UW		 10022015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1003
1004 * configure.ac: Set have_mmap to no on spu-*-* targets.
1005 * configure: Regenerate.
1006
d96fa208
ILT		 10072015-08-13 Ian Lance Taylor <iant@google.com>
1008
1009 * dwarf.c (read_function_entry): Add vec_inlined parameter.
1010 Change all callers.
1011
d99a7b4d
MS		 10122015-06-11 Martin Sebor <msebor@redhat.com>
1013
1014 PR sanitizer/65479
1015 * dwarf.c (struct line): Add new field idx.
1016 (line_compare): Use it.
1017 (add_line): Set it.
1018 (read_line_info): Reset it.
1019
e24afc10
TG		 10202015-05-29 Tristan Gingold <gingold@adacore.com>
1021
1022 * pecoff.c: New file.
1023 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1024 * Makefile.in: Regenerate.
1025 * filetype.awk: Detect pecoff.
1026 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1027 Add pecoff.
1028 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1029 true.
1030 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1031 * configure: Regenerate.
1032 * pecoff.c: New file.
1033
df96c0f7
MH		 10342015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
1035
1036 * Makefile.in: Regenerated with automake-1.11.6.
1037 * aclocal.m4: Likewise.
1038 * configure: Likewise.
1039
2b8fa469
MK		 10402015-01-24 Matthias Klose <doko@ubuntu.com>
1041
1042 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1043 * configure: Regenerate.
1044
5624e564
JJ		 10452015-01-05 Jakub Jelinek <jakub@redhat.com>
1046
1047 Update copyright years.
1048
a699d672
L		 10492014-11-21 H.J. Lu <hongjiu.lu@intel.com>
1050
1051 PR bootstrap/63784
1052 * configure: Regenerated.
1053
35485da9
DM		 10542014-11-11 David Malcolm <dmalcolm@redhat.com>
1055
1056 * ChangeLog.jit: New.
1057
ebf6d33b
FXC		 10582014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1059
1060 PR target/63610
1061 * configure: Regenerate.
1062
c96601d2
ILT		 10632014-10-23 Ian Lance Taylor <iant@google.com>
1064
1065 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1066 Fix to return void *.
1067
d573fd89
ILT		 10682014-05-08 Ian Lance Taylor <iant@google.com>
1069
1070 * mmap.c (backtrace_free): If freeing a large aligned block of
1071 memory, call munmap rather than holding onto it.
1072 (backtrace_vector_grow): When growing a vector, double the number
1073 of pages requested. When releasing the old version of a grown
1074 vector, pass the correct size to backtrace_free.
1075
dbe20842
ILT		 10762014-03-07 Ian Lance Taylor <iant@google.com>
1077
1078 * sort.c (backtrace_qsort): Use middle element as pivot.
1079
c5604b48
ILT		 10802014-03-06 Ian Lance Taylor <iant@google.com>
1081
1082 * sort.c: New file.
1083 * stest.c: New file.
1084 * internal.h (backtrace_qsort): Declare.
1085 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1086 (read_line_info, read_function_entry): Likewise.
1087 (read_function_info, build_dwarf_data): Likewise.
1088 * elf.c (elf_initialize_syminfo): Likewise.
1089 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1090 (stest_SOURCES, stest_LDADD): Define.
1091 (check_PROGRAMS): Add stest.
1092
63fefb4b
MDM		 10932014-02-07 Misty De Meo <misty@brew.sh>
1094
1095 PR target/58710
1096 * configure.ac: Use AC_LINK_IFELSE in check for
1097 _Unwind_GetIPInfo.
1098 * configure: Regenerate.
1099
afeba5cb
RS		 11002014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1101
1102 Update copyright years
1103
0284b52e
JJ		 11042013-12-06 Jakub Jelinek <jakub@redhat.com>
1105
1106 * elf.c (ET_DYN): Undefine and define again.
1107 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1108 return early -1 without closing the descriptor.
1109 (struct phdr_data): Add exe_descriptor.
1110 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1111 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1112 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1113 call to elf_add.
1114 (backtrace_initialize): Adjust call to elf_add. If it returns
1115 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1116
bfd74f22
ILT		 11172013-12-05 Ian Lance Taylor <iant@google.com>
1118
1119 * alloc.c (backtrace_vector_finish): Add error_callback and data
1120 parameters. Call backtrace_vector_release. Return address base.
1121 * mmap.c (backtrace_vector_finish): Add error_callback and data
1122 parameters. Return address base.
1123 * dwarf.c (read_function_info): Get new address base from
1124 backtrace_vector_finish.
1125 * internal.h (backtrace_vector_finish): Update declaration.
1126
b8ddd61b
ILT		 11272013-11-27 Ian Lance Taylor <iant@google.com>
1128
1129 * dwarf.c (find_address_ranges): New static function, broken out
1130 of build_address_map.
1131 (build_address_map): Call it.
1132 * btest.c (check): Check for missing filename or function, rather
1133 than crashing.
1134 (f3): Check that enough frames were returned.
1135
64856e1e
JJ		 11362013-11-19 Jakub Jelinek <jakub@redhat.com>
1137
1f96a712
JJ		 1138 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1139 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1140 last argument.
1141 * btest.c (struct symdata): Add size field.
1142 (callback_three): Add symsize argument. Copy it to the data->size
1143 field.
1144 (f23): Set symdata.size to 0.
1145 (test5): Likewise. If sizeof (int) > 1, lookup address of
1146 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1147 values.
1148
64856e1e
JJ		 1149 * atomic.c: Include sys/types.h.
1150
49579c7e
ILT		 11512013-11-18 Ian Lance Taylor <iant@google.com>
1152
1153 * configure.ac: Check for support of __atomic extensions.
1154 * internal.h: Declare or #define atomic functions for use in
1155 backtrace code.
1156 * atomic.c: New file.
1157 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1158 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1159 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1160 (backtrace_initialize): Likewise.
1161 * fileline.c (fileline_initialize): Likewise.
1162 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1163 * configure, config.h.in, Makefile.in: Rebuild.
1164
582f5a2d
JJ		 11652013-11-18 Jakub Jelinek <jakub@redhat.com>
1166
f1857815
JJ		 1167 * elf.c (SHN_UNDEF): Define.
1168 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1169 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1170 (elf_add): Adjust caller.
1171
582f5a2d
JJ		 1172 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1173
25e6253e
ILT		 11742013-11-16 Ian Lance Taylor <iant@google.com>
1175
1176 * backtrace.h (backtrace_create_state): Correct comment about
1177 threading.
1178
cfa658e4
ILT		 11792013-11-15 Ian Lance Taylor <iant@google.com>
1180
1181 * backtrace.h (backtrace_syminfo): Update comment and parameter
1182 name to take any address, not just a PC value.
1183 * elf.c (STT_OBJECT): Define.
1184 (elf_nosyms): Rename parameter pc to addr.
1185 (elf_symbol_search): Rename local variable pc to addr.
1186 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1187 (elf_syminfo): Rename parameter pc to addr.
1188 * btest.c (global): New global variable.
1189 (test5): New test.
1190 (main): Call test5.
1191
6c084a5b
ILT		 11922013-10-17 Ian Lance Taylor <iant@google.com>
1193
1194 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1195 is missing.
1196
459260ec
DM		 11972013-10-15 David Malcolm <dmalcolm@redhat.com>
1198
1199 * configure.ac: Add --enable-host-shared, setting up
1200 pre-existing PIC_FLAG variable within Makefile.am et al.
1201 * configure: Regenerate.
1202
3cbe17f7
AM		 12032013-09-20 Alan Modra <amodra@gmail.com>
1204
1205 * configure: Regenerate.
1206
78625ce6
AM		 12072013-07-23 Alexander Monakov <amonakov@ispras.ru>
1208
1209 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1210
0153887c
AM		 12112013-07-23 Alexander Monakov <amonakov@ispras.ru>
1212
1213 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1214 dl_iterate_phdr callbacks.
1215
85d8c21e
ILT		 12162013-03-25 Ian Lance Taylor <iant@google.com>
1217
1218 * alloc.c: #include <sys/types.h>.
1219 * mmap.c: Likewise.
1220
38811401
ILT		 12212013-01-31 Ian Lance Taylor <iant@google.com>
1222
1223 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1224 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1225
1e678aed
JJ		 12262013-01-25 Jakub Jelinek <jakub@redhat.com>
1227
1228 PR other/56076
1229 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1230 attribute was not seen.
1231
6b514c53
ILT		 12322013-01-16 Ian Lance Taylor <iant@google.com>
1233
1234 * dwarf.c (struct unit): Add filename and abs_filename fields.
1235 (build_address_map): Set new fields when reading unit.
1236 (dwarf_lookup_pc): If we don't find an entry in the line table,
1237 just return the main file name.
1238
f8a7e1a4
RS		 12392013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1240
1241 Update copyright years.
1242
c3de1960
ILT		 12432013-01-01 Ian Lance Taylor <iant@google.com>
1244
1245 PR bootstrap/54834
1246 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1247 $(MULTIBUILDTOP)/../../gcc/include.
1248 * Makefile.in: Rebuild.
1249
2a5195d9
ILT		 12502013-01-01 Ian Lance Taylor <iant@google.com>
1251
1252 PR other/55536
1253 * mmap.c (backtrace_alloc): Don't call sync functions if not
1254 threaded.
1255 (backtrace_free): Likewise.
1256
85619b6f
JDA		 12572012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1258
1259 * mmapio.c: Define MAP_FAILED if not defined.
1260
36a58fb3
JJ		 12612012-12-11 Jakub Jelinek <jakub@redhat.com>
1262
1263 PR bootstrap/54926
1264 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1265 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1266 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1267 accepts it.
1268 * Makefile.in: Regenerated.
1269 * configure: Regenerated.
1270
a58dfde0
JJ		 12712012-12-07 Jakub Jelinek <jakub@redhat.com>
1272
1273 PR bootstrap/54926
1274 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1275 * Makefile.in: Regenerated.
1276
b20ade36
ILT		 12772012-11-20 Ian Lance Taylor <iant@google.com>
1278
1279 * dwarf.c (read_attribute): Always clear val.
1280
73c3ed27
ILT		 12812012-11-13 Ian Lance Taylor <iant@google.com>
1282
1283 PR other/55312
1284 * configure.ac: Only add -Werror if building a target library.
2a5195d9 1285 * configure: Rebuild.
73c3ed27 1286
33521509
ILT		 12872012-11-12 Ian Lance Taylor <iant@google.com>
1288 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1289 Gerald Pfeifer <gerald@pfeifer.com>
1290
1291 * configure.ac: Check for getexecname.
1292 * fileline.c: #include <errno.h>. Define getexecname if not
1293 available.
1294 (fileline_initialize): Try to find the executable in a few
1295 different ways.
1296 * print.c (error_callback): Only print the filename if it came
1297 from the backtrace state.
1298 * configure, config.h.in: Rebuild.
1299
8fe91dea
ILT		 13002012-10-29 Ian Lance Taylor <iant@google.com>
1301
1302 * mmap.c (backtrace_vector_release): Correct last patch: add
1303 aligned, not size.
1304
8277de34
ILT		 13052012-10-29 Ian Lance Taylor <iant@google.com>
1306
1307 * mmap.c (backtrace_vector_release): Make sure freed block is
1308 aligned on 8-byte boundary.
1309
73f41491
ILT		 13102012-10-26 Ian Lance Taylor <iant@google.com>
1311
1312 PR other/55087
1313 * posix.c (backtrace_open): Add does_not_exist parameter.
1314 * elf.c (phdr_callback): Do not warn if shared library could not
1315 be opened.
1316 * fileline.c (fileline_initialize): Update calls to
1317 backtrace_open.
1318 * internal.h (backtrace_open): Update declaration.
1319
385710cf
JH		 13202012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1321
1322 PR target/55061
1323 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1324 * configure: Regenerate.
1325
32061319
ILT		 13262012-10-24 Ian Lance Taylor <iant@google.com>
1327
1328 PR target/55061
1329 * configure.ac: Check whether -funwind-tables option works.
1330 * configure: Rebuild.
1331
5551b12c
ILT		 13322012-10-11 Ian Lance Taylor <iant@google.com>
1333
1334 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1335 * configure: Rebuild.
1336
40d15b5b
ILT		 13372012-10-10 Ian Lance Taylor <iant@google.com>
1338
1339 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1340 lower case.
1341
74f80620
HPN		 13422012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1343
1344 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1345
ce8aa074
ILT		 13462012-10-09 Ian Lance Taylor <iant@google.com>
1347
1348 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1349 (backtrace_dwarf_add): Likewise.
1350
e561a992
ILT		 13512012-10-09 Ian Lance Taylor <iant@google.com>
1352
1353 Add support for tracing through shared libraries.
1354 * configure.ac: Check for link.h and dl_iterate_phdr.
1355 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1356 ELF macros before #defining them.
1357 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1358 dl_iterate_phdr.
1359 (struct elf_syminfo_data): Add next field.
1360 (elf_initialize_syminfo): Initialize next field.
1361 (elf_add_syminfo_data): New static function.
1362 (elf_add): New static function, broken out of
1363 backtrace_initialize. Call backtrace_dwarf_add instead of
1364 backtrace_dwarf_initialize.
1365 (struct phdr_data): Define.
1366 (phdr_callback): New static function.
1367 (backtrace_initialize): Call elf_add.
1368 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1369 (add_unit_addr): Add base_address parameter. Change all callers.
1370 (add_unit_ranges, build_address_map): Likewise.
1371 (add_line): Add ddata parameter. Change all callers.
1372 (read_line_program, add_function_range): Likewise.
1373 (dwarf_lookup_pc): New static function, broken out of
1374 dwarf_fileline.
1375 (dwarf_fileline): Call dwarf_lookup_pc.
1376 (build_dwarf_data): New static function.
1377 (backtrace_dwarf_add): New function.
1378 (backtrace_dwarf_initialize): Remove.
1379 * internal.h (backtrace_dwarf_initialize): Don't declare.
1380 (backtrace_dwarf_add): Declare.
1381 * configure, config.h.in: Rebuild.
1382
068ef6d1
GP		 13832012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1384
1385 * btest.c (f23): Avoid uninitialized variable warning.
e561a992 1386
244e2d9c
ILT		 13872012-10-04 Ian Lance Taylor <iant@google.com>
1388
1389 * dwarf.c: If the system header files do not declare strnlen,
1390 provide our own version.
1391
be4ba8ae
ILT		 13922012-10-03 Ian Lance Taylor <iant@google.com>
1393
1394 * dwarf.c (read_uleb128): Fix overflow test.
1395 (read_sleb128): Likewise.
1396 (build_address_map): Don't change unit_buf.start.
1397
56195009
UB		 13982012-10-02 Uros Bizjak <ubizjak@gmail.com>
1399
faf86a02
UB		 1400 PR other/54761
1401 * configure.ac (EXTRA_FLAGS): New.
56195009 1402 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
faf86a02 1403 * configure, Makefile.in: Regenerate.
56195009 1404
8a447b3d
ILT		 14052012-09-29 Ian Lance Taylor <iant@google.com>
1406
1407 PR other/54749
1408 * fileline.c (fileline_initialize): Pass errnum as -1 when
1409 reporting that we could not read executable information after a
1410 previous failure.
1411
af710874
ILT		 14122012-09-27 Ian Lance Taylor <iant@google.com>
1413
1414 PR bootstrap/54732
1415 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1416 * Makefile.am: Add dependencies for all objects.
1417 * configure, aclocal.m4, Makefile.in: Rebuild.
1418
588f4f8f
ILT		 14192012-09-27 Ian Lance Taylor <iant@google.com>
1420
1421 PR other/54726
1422 * elf.c (backtrace_initialize): Set *fileln_fn, not
1423 state->fileln_fn.
1424
64b89453
ILT		 14252012-09-19 Ian Lance Taylor <iant@google.com>
1426
1427 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1428 as a target library.
1429 * configure: Rebuild.
1430
76850556
RO		 14312012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1432 Ian Lance Taylor <iant@google.com>
1433
92a285c1
ML		 1434 * configure.ac (GCC_HEADER_STDINT): Invoke.
1435 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1436 * btest.c: Don't include <stdint.h>.
1437 * dwarf.c: Likewise.
1438 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
76850556 1439
9425c00b
ILT		 14402012-09-18 Ian Lance Taylor <iant@google.com>
1441
1442 PR bootstrap/54623
1443 * Makefile.am (AM_CPPFLAGS): Define.
1444 (AM_CFLAGS): Remove -I options.
1445 * Makefile.in: Rebuild.
1446
3319ef17
ILT		 14472012-09-18 Ian Lance Taylor <iant@google.com>
1448
1449 * posix.c (O_BINARY): Define if not defined.
1450 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
1451 HAVE_FCNTL is defined.
1452 * configure.ac: Test for the fcntl function.
1453 * configure, config.h.in: Rebuild.
1454
bd3e497d
ILT		 14552012-09-18 Ian Lance Taylor <iant@google.com>
1456
1457 * btest.c (test1, test2, test3, test4): Add the unused attribute.
1458
30e15876
ILT		 14592012-09-18 Ian Lance Taylor <iant@google.com>
1460
1461 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1462
d4c059d5
ILT		 14632012-09-18 Ian Lance Taylor <iant@google.com>
1464
1465 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1466 * mmapio.c: Don't define _GNU_SOURCE.
1467 * configure, config.h.in: Rebuild.
1468
772a71a9
ILT		 14692012-09-18 Ian Lance Taylor <iant@google.com>
1470
1471 * configure.ac: Check whether strnlen is declared.
1472 * dwarf.c: Declare strnlen if not declared.
1473 * configure, config.h.in: Rebuild.
1474
c0558468
RO		 14752012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1476
1477 * fileline.c: Include <stdlib.h>.
1478 * mmap.c: Likewise.
1479
c5812e0b
ILT		 14802012-09-17 Ian Lance Taylor <iant@google.com>
1481
1482 PR bootstrap/54611
1483 * nounwind.c (backtrace_full): Rename from backtrace. Add state
1484 parameter.
1485
e8f4008a
GP		 14862012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
1487
1488 PR bootstrap/54611
1489 * nounwind.c (backtrace_simple): Add state parameter.
1490
f588eb27
ILT		 14912012-09-17 Ian Lance Taylor <iant@google.com>
1492
1493 PR bootstrap/54609
1494 * unknown.c (unknown_fileline): Add state parameter, remove
1495 fileline_data parameter, name error_callback parameter.
1496 (backtrace_initialize): Add state parameter.
1497
eff02e4f
ILT		 14982012-09-17 Ian Lance Taylor <iant@google.com>
1499
1500 * Initial implementation.
818ab71a 1501\f
8d9254fc 1502Copyright (C) 2012-2020 Free Software Foundation, Inc.
818ab71a
JJ		 1503
1504Copying and distribution of this file, with or without modification,
1505are permitted in any medium without royalty provided the copyright
1506notice and this notice are preserved.
Mirror of https://gcc.gnu.org/git/gcc.git