1 2021-11-12 Martin Liska <mliska@suse.cz>
4 * elf.c (elf_uncompress_lzma_block): Cast to unsigned int.
5 (elf_uncompress_lzma): Likewise.
6 * xztest.c (test_samples): memcpy only if v > 0.
8 2021-10-22 Martin Liska <mliska@suse.cz>
11 * btest.c (MIN_DESCRIPTOR): New.
12 (MAX_DESCRIPTOR): Likewise.
13 (check_available_files): Likewise.
14 (check_open_files): Check only file descriptors that
15 were not available at the entry.
16 (main): Call check_available_files.
18 2021-08-13 Sergei Trofimovich <siarheit@google.com>
20 * install-debuginfo-for-buildid.sh.in: Force non-localized readelf
23 2021-06-28 Clément Chigot <clement.chigot@atos.net>
25 * xcoff.c (SSUBTYP_DWRNGES): New define.
26 (xcoff_add): Use correct XCOFF DWARF section subtype
27 for DEBUG_RANGES. Remove lineoff workaround.
29 (xcoff_initialize_syminfo): Adapt to new base_address.
30 (xcoff_lookup_pc): Likewise.
31 (xcoff_initialize_fileline): Likewise.
33 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
36 * configure: Regenerated.
38 2021-03-03 Ian Lance Taylor <iant@golang.org>
40 * dwarf.c (read_line_program): Don't special case file 0.
41 (read_function_entry): Likewise.
43 2021-03-02 Ian Lance Taylor <iant@golang.org>
46 * dwarf.c (dwarf_buf_error): Add errnum parameter. Change all
48 * backtrace.h: Update backtrace_error_callback comment.
50 2021-02-12 Ian Lance Taylor <iant@golang.org>
52 * configure.ac: Check for objcopy --add-gnu-debuglink by using
54 * configure: Regenerate
56 2021-01-18 Ian Lance Taylor <iant@golang.org>
58 * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
59 * Makefile.in: Regenerate.
60 * configure: Regenerate.
62 2021-01-18 Ian Lance Taylor <iant@golang.org>
65 * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
67 (read_line_program): Remove parameter u, change caller. Don't
68 subtract one from dirs and filenames index.
69 (read_function_entry): Don't subtract one from filenames index.
71 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
73 * configure: Re-generate.
75 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
78 * configure: Regenerate.
80 2020-12-02 Ian Lance Taylor <iant@golang.org>
82 * dwarf.c (resolve_string): Use > rather than >= to check whether
83 string index extends past buffer.
84 (resolve_addr_index): Similarly for address index.
86 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
88 * configure: Regenerate.
90 2020-10-20 Ian Lance Taylor <iant@golang.org>
92 * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
93 * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
95 2020-09-28 Ian Lance Taylor <iant@golang.org>
98 * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
99 * Makefile.in: Regenerate.
101 2020-09-28 Ian Lance Taylor <iant@golang.org>
103 PR libbacktrace/97227
104 * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
105 * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
106 * configure: Regenerate.
107 * Makefile.in: Regenerate.
109 2020-09-23 Ian Lance Taylor <iant@golang.org>
111 * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
113 (dwarf_lookup_pc): Likewise.
115 2020-09-17 Ian Lance Taylor <iant@golang.org>
117 PR libbacktrace/97080
118 * fileline.c (backtrace_syminfo_to_full_callback): New function.
119 (backtrace_syminfo_to_full_error_callback): New function.
120 * elf.c (elf_nodebug): Call syminfo_fn if possible.
121 * internal.h (struct backtrace_call_full): Define.
122 (backtrace_syminfo_to_full_callback): Declare.
123 (backtrace_syminfo_to_full_error_callback): Declare.
124 * mtest.c (f3): Only check all[i] if data.index permits.
126 2020-09-16 Iain Sandoe <iain@sandoe.co.uk>
128 * macho.c (MACH_O_CPU_TYPE_PPC): New.
129 (MACH_O_CPU_TYPE_PPC64): New.
130 Add compile-tests for powerpc to the Mach-O variants.
132 2020-09-14 Ian Lance Taylor <iant@golang.org>
134 PR libbacktrace/93608
135 Add support for MiniDebugInfo.
136 * elf.c (struct elf_view): Define. Replace most uses of
137 backtrace_view with elf_view.
138 (elf_get_view): New static functions. Replace most calls of
139 backtrace_get_view with elf_get_view.
140 (elf_release_view): New static functions. Replace most calls of
141 backtrace_release_view with elf_release_view.
142 (elf_uncompress_failed): Rename from elf_zlib_failed. Change all
144 (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
145 (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
146 (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
147 (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
148 (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
149 (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
150 (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
151 (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
152 (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
153 (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
154 (LZMA_PROB_DIST_ALIGN_LEN): Define.
155 (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
156 (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
157 (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
158 (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
159 (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
160 (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
161 (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
162 (LZMA_PROB_REP_LEN_LOW_LEN): Define.
163 (LZMA_PROB_REP_LEN_MID_LEN): Define.
164 (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
165 (LZMA_PROB_LITERAL_LEN): Define.
166 (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
167 (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
168 (LZMA_PROB_IS_REP2_OFFSET): Define.
169 (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
170 (LZMA_PROB_DIST_SLOT_OFFSET): Define.
171 (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
172 (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
173 (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
174 (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
175 (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
176 (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
177 (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
178 (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
179 (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
180 (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
181 (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
182 (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
183 (LZMA_PROB_LITERAL_OFFSET): Define.
184 (LZMA_PROB_TOTAL_COUNT): Define.
185 (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
186 (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
187 (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
188 (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
189 (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
190 (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
191 (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
192 (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
193 (elf_lzma_varint): New static function.
194 (elf_lzma_range_normalize): New static function.
195 (elf_lzma_bit, elf_lzma_integer): New static functions.
196 (elf_lzma_reverse_integer): New static function.
197 (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
198 (elf_uncompress_lzma): New static function.
199 (backtrace_uncompress_lzma): New function.
200 (elf_add): Add memory and memory_size parameters. Change all
201 callers. Look for .gnu_debugdata section, and, if found,
202 decompress it and use it for symbols and debug info. Permit the
203 descriptor parameter to be -1.
204 * internal.h (backtrace_uncompress_lzma): Declare.
206 * xztest.c: New file.
207 * configure.ac: Check for nm, xz, and comm programs. Check for
209 (HAVE_MINIDEBUG): Define.
210 * Makefile.am (mtest_SOURCES): Define.
211 (mtest_CFLAGS, mtest_LDADD): Define.
212 (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
213 (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
214 (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
215 (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
216 (xztest_alloc_LDADD): Define.
217 (BUILDTESTS): Add mtest, xztest, xztest_alloc.
218 (CLEANFILES): Add files created by minidebug pattern.
219 (btest.lo): Correct INCDIR reference.
220 (mtest.lo, xztest.lo, ztest.lo): New targets.
221 * configure: Regenerate.
222 * config.h.in: Regenerate.
223 * Makefile.in: Regenerate.
225 2020-09-09 Ian Lance Taylor <iant@golang.org>
227 * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
228 (coff_add): Determine and pass is_64.
230 2020-09-09 Ian Lance Taylor <iant@golang.org>
232 PR libbacktrace/96973
233 * fileline.c (macho_get_executable_path): New static function.
234 (fileline_initialize): Call macho_get_executable_path.
236 2020-09-09 Ian Lance Taylor <iant@golang.org>
238 * dwarf.c (function_addrs_search): Compare against the next entry
239 low address, not the high address.
240 (unit_addrs_search): Likewise.
241 (build_address_map): Add a trailing unit_addrs.
242 (read_function_entry): Add a trailing function_addrs.
243 (read_function_info): Likewise.
244 (report_inlined_functions): Search backward for function_addrs
246 (dwarf_lookup_pc): Search backward for unit_addrs and
247 function_addrs matches.
249 2020-09-08 Ian Lance Taylor <iant@golang.org>
251 * simple.c (simple_unwind): Correct comment spelling.
253 2020-09-08 Ian Lance Taylor <iant@golang.org>
255 * macho.c (macho_add_dsym): Make space for '/' in dsym. Use
256 correct length when freeing diralc.
258 2020-09-08 Ian Lance Taylor <iant@golang.org>
260 PR libbacktrace/96973
261 * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
263 2020-09-08 Ian Lance Taylor <iant@golang.org>
265 PR libbacktrace/96971
266 * filetype.awk: Only match magic number at start of line.
268 2020-08-24 Ian Lance Taylor <iant@golang.org>
270 * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
271 (MACH_O_MH_CIGAM_FAT_64): Define.
272 (struct macho_fat_arch_64): Define.
273 (macho_add_fat): Add and use is_64 parameter.
274 (macho_add): Recognize 64-bit fat files.
276 2020-07-30 H.J. Lu <hjl.tools@gmail.com>
279 * configure: Regenerated.
281 2020-07-08 Ian Lance Taylor <iant@golang.org>
283 * configure.ac: Test linker support for DWARF5
284 * configure: Regenerate
286 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
289 * configure: Regenerated.
291 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
294 * configure: Regenerated.
296 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
298 * configure: Regenerated.
300 2020-05-13 Ian Lance Taylor <iant@golang.org>
302 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
304 2020-05-13 Ian Lance Taylor <iant@golang.org>
307 * posix.c (backtrace_open): Treat EACCESS like ENOENT.
309 2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
311 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
312 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
313 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
315 * Makefile.in: Regenerated.
316 * configure: Likewise.
318 2020-05-11 Ian Lance Taylor <iant@golang.org>
320 PR libbacktrace/95012
321 * configure.ac: Check for getpagesize declaration.
322 * mmap.c: Declare getpagesize if necessary.
323 * mmapio.c: Likewise.
324 * configure: Regenerate.
325 * config.h.in: Regenerate.
326 * Makefile.in: Regenerate.
328 2020-05-09 Roland McGrath <mcgrathr@google.com>
330 * elf.c (elf_add): Bail early if there are no section headers at all.
332 2020-05-09 Ian Lance Taylor <iant@golang.org>
334 * elf.c (elf_add): Don't free strtab if an error occurs after
335 recording symbol information.
337 2020-05-09 Ian Lance Taylor <iant@golang.org>
339 PR libbacktrace/88745
341 * filetype.awk: Recognize Mach-O files.
342 * Makefile.am (FORMAT_FILES): Add macho.c.
343 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
344 (%.dSYM): New pattern target.
345 (test_macho_SOURCES, test_macho_CFLAGS): New targets.
346 (test_macho_LDADD): New target.
347 (BUILDTESTS): Add test_macho.
348 (macho.lo): Add dependencies.
349 * configure.ac: Recognize macho file type. Check for
350 mach-o/dyld.h. Don't try to run objcopy if we don't find it.
351 Look for dsymutil and define a HAVE_DSYMUTIL conditional.
352 * Makefile.in: Regenerate.
353 * configure: Regenerate.
354 * config.h.in: Regenerate.
356 2020-05-09 Ian Lance Taylor <iant@golang.org>
358 * read.c (backtrace_get_view): Support short read.
360 2020-05-09 Ian Lance Taylor <iant@golang.org>
362 * elf.c (elf_add): If debug sections are very large or far apart,
363 read them individually rather than as a single view.
365 2020-05-08 Ian Lance Taylor <iant@golang.org>
367 * fileline.c (sysctl_exec_name): New static function.
368 (sysctl_exec_name1): New macro or static function.
369 (sysctl_exec_name2): Likewise.
370 (fileline_initialize): Try sysctl_exec_name[12].
371 * configure.ac: Check for sysctl args to fetch executable name.
372 * configure: Regenerate.
373 * config.h.in: Regenerate.
375 2020-02-15 Ian Lance Taylor <iant@golang.org>
377 * ztest.c (test_large): Update file to current libgo test file.
379 2020-02-03 Ian Lance Taylor <iant@golang.org>
381 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
382 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
383 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
384 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
385 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
386 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
387 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
388 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
389 (stest_alloc_CFLAGS): Likewise.
390 * Makefile.in: Regenerate.
391 * ztest.c (error_callback_compress): Mark vdata unused.
392 (test_large): Add casts to avoid warnings.
394 2020-01-01 Jakub Jelinek <jakub@redhat.com>
396 Update copyright years.
398 2019-12-13 Ian Lance Taylor <iant@golang.org>
401 * dwarf.c (struct attr): Add val field.
402 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
403 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
404 (struct line_header): Add addrsize field.
405 (struct line_header_format): Define.
406 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
408 (read_uint24): New static function.
409 (read_attribute): Add implicit_val parameter. Replace dwarf_str
410 and dwarf_str_size parameters with dwarf_sections parameter. Add
411 support for new DWARF 5 forms. Change all callers.
412 (resolve_string): New static function.
413 (resolve_addr_index): Likewise.
414 (read_abbrevs): Support DW_FORM_implicit_const.
415 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
416 and ranges_is_index fields.
417 (update_pcrange): Support DWARF 5 encodings.
418 (add_high_low_range): New static function, split out of
420 (add_ranges_from_ranges): Likewise.
421 (add_ranges_from_rnglists): New static function.
422 (add_ranges): Just call new helper functions.
423 (find_address_ranges): Use resolve_string for strings, after
424 reading all attributes. Handle new DWARF 5 attributes.
425 (build_address_map): Support DWARF 5 compilation units.
426 (read_v2_paths): New static function, split out of
428 (read_lnct): New static function.
429 (read_line_header_format_entries): Likewise.
430 (read_line_header): Add ddata parameter. Support DWARF 5 line
431 headers. Call new helper functions. Change all callers.
432 (read_line_program): Use addrsize from line program header. Don't
433 special case directory index 0 for DWARF 5.
434 (read_referenced_name): Use resolve_string.
435 (read_function_entry): Handle DWARF 5 encodings. Use
437 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
438 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
439 * elf.c (dwarf_section_names): Add new section names.
440 * pecoff.c (dwarf_section_names): Likewise.
441 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
443 * configure.ac: Define HAVE_DWARF5 automake conditional.
444 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
445 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
446 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
447 (dwarf5_alloc_LDADD): Likewise.
448 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
449 (CLEANFILES, clean-local): Define.
451 2019-12-08 Ian Lance Taylor <iant@golang.org>
453 * dwarf.c (struct pcrange): Define.
454 (update_pcrange, add_ranges): New static functions.
455 (add_unit_addr): Change signature to work with add_ranges. Don't
456 add base_address here.
457 (add_unit_ranges): Remove.
458 (find_address_ranges): Replace str/ranges parameters with
459 dwarf_sections. Use update_pcrange and add_ranges. Change all
461 (add_function_range): Change signature to work with add_ranges.
462 Don't add base_address here.
463 (add_function_ranges): Remove.
464 (read_function_entry): Use update_pcrange and add_ranges.
466 2019-12-04 Ian Lance Taylor <iant@golang.org>
468 * edtest.c (test1): Add noclone attribute.
470 2019-12-04 Ian Lance Taylor <iant@golang.org>
472 * internal.h (enum dwarf_section): Define.
473 (struct dwarf_sections): Define.
474 (backtrace_dwarf_add): Update declaration to replace specific
475 section parameters with dwarf_sections parameter.
476 * dwarf.c (struct dwarf_data): Replace specific section fields
477 with dwarf_sections field.
478 (read_attribute): Use dwarf_sections with altlink.
479 (build_address_map): Replace specific section parameters with
480 dwarf_sections parameter. Change all callers.
481 (read_line_info): Use dwarf_sections with ddata.
482 (read_referenced_name): Likewise.
483 (add_function_ranges): Likewise.
484 (read_function_entry): Likewise.
485 (read_function_info): Likewise.
486 (build_dwarf_data): Replace specific section parameters with
487 dwarf_sections parameter. Change all callers.
488 (backtrace_dwarf_add): Likewise.
489 * elf.c (enum debug_section): Remove.
490 (dwarf_section_names): Remove .zdebug names.
491 (elf_add): Track zsections separately. Build dwarf_sections.
492 * pecoff.c (enum debug_section): Remove.
493 (struct debug_section_info): Remove data field.
494 (coff_add): Build dwarf_sections.
495 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
496 references with DEBUG_xxx references.
497 (xcoff_add): Build dwarf_sections.
499 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
501 * configure: Regenerate.
503 2019-09-26 Ian Lance Taylor <iant@golang.org>
505 PR libbacktrace/91908
506 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
507 __sync_bool_compare_and_swap to void.
508 * xcoff.c (backtrace_initialize): Likewise.
510 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
512 * configure.ac: Remove references to spu.
513 * configure: Regenerate.
515 2019-05-24 Clement Chigot <clement.chigot@atos.net>
517 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
519 * Makefile.in: Regenerate.
521 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
523 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
525 * configure: Regenerate.
527 2019-03-11 Ian Lance Taylor <iant@golang.org>
529 PR libbacktrace/89669
530 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
532 * Makefile.in: Regenerate.
534 2019-02-26 Tom de Vries <tdevries@suse.de>
536 * btest.c (test5): Allow global.* as minimal symbol name for global.
538 2019-02-26 Tom de Vries <tdevries@suse.de>
540 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
541 * Makefile.in: Regenerate.
543 2019-02-12 Tom de Vries <tdevries@suse.de>
545 PR libbacktrace/81983
546 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
548 2019-02-10 Tom de Vries <tdevries@suse.de>
550 * Makefile.am (BUILDTESTS): Add btest_lto.
551 * Makefile.in: Regenerate.
552 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
553 __attribute__((noclone)).
555 2019-02-08 Tom de Vries <tdevries@suse.de>
557 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
558 * print.c (backtrace_print): Same.
559 * simple.c (backtrace_simple): Same.
561 2019-02-08 Tom de Vries <tdevries@suse.de>
563 PR libbacktrace/78063
564 * dwarf.c (build_address_map): Keep all parsed units.
565 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
567 2019-01-31 Tom de Vries <tdevries@suse.de>
569 PR libbacktrace/89136
570 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
571 'debugaltlink_name_len =+ 1'.
573 2019-01-29 Tom de Vries <tdevries@suse.de>
575 * install-debuginfo-for-buildid.sh.in: New script.
576 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
577 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
578 * Makefile.in: Regenerate.
579 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
580 (READELF): Set with AC_CHECK_PROG.
581 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
582 * configure: Regenerate.
583 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
584 (elf_open_debugfile_by_buildid): ... here.
586 2019-01-29 Tom de Vries <tdevries@suse.de>
588 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
590 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
591 (check_PROGRAMS): Add BUILDTESTS.
592 * Makefile.in: Regenerate.
594 2019-01-28 Tom de Vries <tdevries@suse.de>
596 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
597 Use $< to access prerequisite.
598 * Makefile.in: Regenerate.
600 2019-01-25 Nathan Sidwell <nathan@acm.org>
602 * elf.c (elf_add): Pass "" filename to recursive call with
605 2019-01-25 Tom de Vries <tdevries@suse.de>
607 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
609 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
610 * Makefile.in: Regenerate.
612 2019-01-25 Tom de Vries <tdevries@suse.de>
614 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
615 (TESTS): Rename dtest to btest_gnudebuglink.
616 * Makefile.in: Regenerate.
618 2019-01-23 Tom de Vries <tdevries@suse.de>
620 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
621 (units_search, find_unit): Use size_t for offset.
622 (build_address_map): Use size_t for unit_offset.
624 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
626 * allocfail.c (main): Increase portability of printf statement.
628 2019-01-18 Ian Lance Taylor <iant@golang.org>
630 PR libbacktrace/88890
631 * mmapio.c (backtrace_get_view): Change size parameter to
632 uint64_t. Check that value fits in size_t.
633 * read.c (backtrace_get_view): Likewise.
634 * internal.h (backtrace_get_view): Update declaration.
635 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
637 2019-01-17 Tom de Vries <tdevries@suse.de>
639 PR libbacktrace/82857
640 * configure.ac (DWZ): Set with AC_CHECK_PROG.
641 (HAVE_DWZ): Set with AM_CONDITIONAL.
642 * configure: Regenerate.
643 * Makefile.am (TESTS): Add btest_dwz.
644 * Makefile.in: Regenerate.
646 2019-01-17 Tom de Vries <tdevries@suse.de>
648 PR libbacktrace/82857
649 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
650 (read_attribute): Handle DW_FORM_GNU_ref_alt using
651 ATTR_VAL_REF_ALT_INFO.
652 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
654 2019-01-17 Tom de Vries <tdevries@suse.de>
656 * dwarf.c (struct unit): Add low_offset and high_offset fields.
657 (struct unit_vector): New type.
658 (struct dwarf_data): Add units and units_counts fields.
659 (find_unit): New function.
660 (find_address_ranges): Add and handle unit_tag parameter.
661 (build_address_map): Add and handle units_vec parameter.
662 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
665 2019-01-17 Tom de Vries <tdevries@suse.de>
667 PR libbacktrace/82857
668 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
671 2019-01-17 Tom de Vries <tdevries@suse.de>
673 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
674 (read_attribute): Add altlink parameter. Handle missing altlink for
675 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
676 (find_address_ranges, build_address_map, build_dwarf_data): Add and
677 handle altlink parameter.
678 (read_referenced_name, read_function_entry): Add argument to
681 2019-01-17 Tom de Vries <tdevries@suse.de>
683 * dwarf.c (struct dwarf_data): Add altlink field.
684 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
685 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
686 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
687 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
688 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
689 * xcoff.c (xcoff_add): Same.
691 2019-01-17 Tom de Vries <tdevries@suse.de>
693 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
694 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
695 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
696 argument to backtrace_dwarf_add call.
697 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
698 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
699 * xcoff.c (xcoff_add): Same.
701 2019-01-17 Tom de Vries <tdevries@suse.de>
703 * elf.c (elf_add): Add and handle with_buildid_data and
704 with_buildid_size parameters. Handle .gnu_debugaltlink section.
705 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
707 2019-01-16 Tom de Vries <tdevries@suse.de>
709 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
711 (read_referenced_name): ... here, and ...
712 (read_function_entry): ... here.
714 2019-01-16 Tom de Vries <tdevries@suse.de>
716 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
718 (read_function_entry): Same. Don't allow name found via
719 DW_AT_abstract_origin or case DW_AT_specification to override linkage
722 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
726 * backtrace.h: Mechanically replace "can not" with "cannot".
728 2019-01-01 Jakub Jelinek <jakub@redhat.com>
730 Update copyright years.
732 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
734 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
736 * Makefile.in: Regenerate.
738 2018-12-28 Tom de Vries <tdevries@suse.de>
740 * dwarf.c (build_address_map): Reuse unused units.
742 2018-12-28 Tom de Vries <tdevries@suse.de>
744 * dwarf.c (build_address_map): Simplify by removing local variable
747 2018-12-28 Ian Lance Taylor <iant@golang.org>
748 Tom de Vries <tdevries@suse.de>
750 PR libbacktrace/88063
751 * dwarf.c (free_unit_addrs_vector): Remove.
752 (build_address_map): Keep track of allocated units in vector. Free
753 allocated units and corresponding abbrevs upon failure. Remove now
754 redundant call to free_unit_addrs_vector. Free addrs vector upon
755 failure. Free allocated unit vector.
757 2018-12-28 Tom de Vries <tdevries@suse.de>
759 * dwarf.c (build_address_map): Free addrs vector upon failure.
761 2018-12-14 Tom de Vries <tdevries@suse.de>
764 * allocfail.sh: Remove "set -o pipefail".
766 2018-12-12 Tom de Vries <tdevries@suse.de>
768 * Makefile.am (TESTS): Add allocfail.sh.
769 (check_PROGRAMS): Add allocfail.
770 * Makefile.in: Regenerate.
771 * instrumented_alloc.c: New file. Redefine malloc and realloc.
773 * allocfail.c: New file.
774 * allocfail.sh: New file.
776 2018-11-30 Tom de Vries <tdevries@suse.de>
778 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
779 test_xcoff_64, test_pecoff and test_unknown.
780 * Makefile.in: Regenerate.
781 * test_format.c: New file.
783 2018-11-30 Tom de Vries <tdevries@suse.de>
785 * Makefile.am : Add _with_alloc version for each test in
787 * Makefile.in: Regenerate.
789 2018-11-30 Tom de Vries <tdevries@suse.de>
791 * internal.h (backtrace_vector_free): New static inline fuction,
793 * dwarf.c (read_line_info): ... here.
795 2018-11-28 Tom de Vries <tdevries@suse.de>
797 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
800 2018-11-27 Tom de Vries <tdevries@suse.de>
802 * mmap.c (backtrace_vector_release): Same.
803 * unittest.c (test1): Add check.
805 2018-11-27 Tom de Vries <tdevries@suse.de>
807 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
809 * Makefile.am (check_PROGRAMS): Add unittest.
810 * Makefile.in: Regenerate.
811 * unittest.c: New file.
813 2018-11-22 Tom de Vries <tdevries@suse.de>
815 * dwarf.c (read_initial_length): Factor out of ...
816 (build_address_map, read_line_info): ... here.
818 2018-11-21 Tom de Vries <tdevries@suse.de>
820 * dwarf.c (read_string): Factor out of ...
821 (read_attribute, read_line_header, read_line_program): ... here.
823 2018-10-31 Joseph Myers <joseph@codesourcery.com>
826 * Makefile.am: Include multilib.am.
827 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
828 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
830 2018-10-05 Ian Lance Taylor <iant@golang.org>
832 PR libbacktrace/87529
833 * backtrace.h: Document that backtrace_create_state should be
836 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
838 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
839 * Makefile.in: Regenerate.
840 * config.h.in: Likewise.
841 * configure: Likewise.
843 2018-08-01 Tony Reix <tony.reix@atos.net>
845 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
846 (struct xcoff_func, struct xcoff_func_vector): New structs.
847 (xcoff_syminfo): Drop leading dot from symbol name.
848 (xcoff_line_compare, xcoff_line_search): Remove.
849 (xcoff_func_compare, xcoff_func_search): New static functions.
850 (xcoff_lookup_pc): Search function table.
851 (xcoff_add_line, xcoff_process_linenos): Remove.
852 (xcoff_initialize_fileline): Build function table.
854 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
857 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
858 checking up to 36 bytes.
860 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
862 * configure: Regenerated.
864 2018-04-19 Jakub Jelinek <jakub@redhat.com>
866 * configure: Regenerated.
868 2018-04-17 Ian Lance Taylor <iant@golang.org>
870 * backtrace.c: Revert last two changes. Don't call mmap
873 2018-04-17 Ian Lance Taylor <iant@golang.org>
875 * backtrace.c: Include backtrace-supported.h before checking
876 BACKTRACE_USES_MALLOC.
878 2018-04-17 Ian Lance Taylor <iant@golang.org>
880 * backtrace.c (backtrace_full): When testing whether we can
881 allocate memory, call mmap directly, and munmap the memory.
883 2018-04-04 Jakub Jelinek <jakub@redhat.com>
886 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
887 big endian, only use 32-bit loads if endianity macros are predefined
888 and indicate big or little endian.
890 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
893 * configure: Regenerate.
895 2018-02-15 Jakub Jelinek <jakub@redhat.com>
898 * elf.c (SHT_PROGBITS): Undefine and define.
900 2018-02-14 Jakub Jelinek <jakub@redhat.com>
903 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
904 (struct elf_ppc64_opd_data): New type.
905 (elf_initialize_syminfo): Add opd argument, handle symbols
906 pointing into the PowerPC64 ELFv1 .opd section.
907 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
908 to structure with .opd data to elf_initialize_syminfo.
910 2018-01-31 Ian Lance Taylor <iant@golang.org>
912 * elf.c (elf_add): Close descriptor if we use a debugfile.
913 * btest.c (check_open_files): New static function.
914 (main): Call check_open_files.
916 2018-01-25 Ian Lance Taylor <iant@golang.org>
918 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
920 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
922 2018-01-25 Ian Lance Taylor <iant@golang.org>
924 * pecoff.c (coff_add): Only release syms_view if it is valid.
926 2018-01-25 Ian Lance Taylor <iant@golang.org>
928 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
930 2018-01-24 Ian Lance Taylor <iant@golang.org>
932 * pecoff.c (coff_add): Use coff_read4, not memcpy.
934 2018-01-24 Ian Lance Taylor <iant@golang.org>
937 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
940 2018-01-19 Tony Reix <tony.reix@atos.net>
942 * xcoff.c (xcoff_incl_compare): New function.
943 (xcoff_incl_search): New function.
944 (xcoff_process_linenos): Use bsearch to find include file.
945 (xcoff_initialize_fileline): Sort include file information.
947 2018-01-16 Ian Lance Taylor <iant@golang.org>
949 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
951 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
952 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
953 (elf_zlib_default_table): Update.
954 (elf_zlib_default_dist_table): New static array.
955 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
957 * ztest.c (struct zlib_test): Add uncompressed_len.
958 (tests): Initialize uncompressed_len field. Add new test case.
959 (test_samples): Use uncompressed_len field.
961 2018-01-03 Jakub Jelinek <jakub@redhat.com>
963 Update copyright years.
965 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
967 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
968 * aclocal.m4: Regenerate.
969 * Makefile.in: Likewise.
970 * configure: Likewise.
972 2017-10-06 Ian Lance Taylor <iant@golang.org>
974 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
975 zlib uncompress function.
977 2017-10-05 Ian Lance Taylor <iant@golang.org>
979 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
980 Read a four byte integer.
981 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
982 boundary before ever calling elf_zlib_fetch.
983 * ztest.c (test_large): Simplify print statements a bit.
985 2017-10-02 Ian Lance Taylor <iant@golang.org>
987 * ztest.c: #include <errno.h>.
988 (TEST_TIMING): Don't define, don't test.
989 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
990 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
991 (ZLIB_CLOCK_GETTIME_ARG): Define.
992 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
993 * Makefile.am: Likewise.
994 * configure, Makefile.in: Rebuild.
996 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
999 * Makefile.am: Append the content of clock_gettime_link to
1001 * configure.ac: Test for the case that clock_gettime is in librt.
1002 * Makefile.in: Regenerate.
1003 * configure: Likewise.
1006 * configure.ac: Check for clock_gettime.
1007 * config.h.in: Regenerate.
1008 * configure: Likewise.
1009 * ztest.c (average_time, test_large): Conditionalize test timing
1010 on clock_gettime availability.
1012 2017-09-29 Tony Reix <tony.reix@atos.net>
1014 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
1015 (STYP_DWARF, SSUBTYP_DW*): Define.
1016 (enum dwarf_section): Define.
1017 (struct dwsect_info): Define.
1018 (xcoff_add): Look for DWARF sections, pass them to
1019 backtrace_dwarf_add.
1021 2017-09-28 Ian Lance Taylor <iant@golang.org>
1024 * elf.c (__builtin_prefetch): Define if not __GNUC__.
1026 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
1027 (b_elf_chdr): Define type.
1028 (enum debug_section): Add ZDEBUG_xxx values.
1029 (debug_section_names): Add names for new sections.
1030 (struct debug_section_info): Add compressed field.
1031 (elf_zlib_failed, elf_zlib_fetch): New static functions.
1032 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
1033 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
1034 (HUFFMAN_SECONDARY_SHIFT): Define.
1035 (ZDEBUG_TABLE_SIZE): Define.
1036 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1037 (final_next_secondary): New static variable if
1038 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1039 (elf_zlib_inflate_table): New static function.
1040 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1041 function to produce fixed Huffman table.
1042 (elf_zlib_default_table): New static variable.
1043 (elf_zlib_inflate): New static function.
1044 (elf_zlib_verify_checksum): Likewise.
1045 (elf_zlib_inflate_and_verify): Likewise.
1046 (elf_uncompress_zdebug): Likewise.
1047 (elf_uncompress_chdr): Likewise.
1048 (backtrace_uncompress_zdebug): New extern function.
1049 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1050 sections, and uncompress them.
1051 * internal.h (backtrace_compress_zdebug): Declare.
1052 * ztest.c: New file.
1053 * configure.ac: Check for -lz and check whether the linker
1054 supports --compress-debug-sections.
1055 * Makefile.am (ztest_SOURCES): New variable.
1056 (ztest_CFLAGS, ztest_LDADD): New variables.
1057 (check_PROGRAMS): Add ztest.
1058 (ctestg_SOURCES): New variable.
1059 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1060 (ctesta_SOURCES): New variable.
1061 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1062 (check_PROGRAMS): Add ctestg and ctesta.
1063 * configure, config.h.in, Makefile.in: Rebuild.
1065 2017-09-22 Ian Lance Taylor <iant@golang.org>
1068 * configure.ac: Check for lstat and readlink.
1069 * elf.c (lstat, readlink): Provide dummy versions if real versions
1071 * configure, config.h.in: Rebuild.
1073 2017-09-21 Ian Lance Taylor <iant@google.com>
1076 * elf.c (backtrace_initialize): Set pd.exe_filename.
1078 2017-09-20 Ian Lance Taylor <iant@golang.org>
1079 Denis Khalikov <d.khalikov@partner.samsung.com>
1082 Support for external debug info.
1083 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1084 (S_ISLNK): Define if not defined.
1085 (xstrnlen): Define if strnlen is not available.
1086 (b_elf_note): Define type.
1087 (NT_GNU_BUILD_ID): Define macro.
1088 (elf_crc32, elf_crc32_file): New static functions.
1089 (elf_is_symlink, elf_readlink): New static functions.
1090 (elf_open_debugfile_by_buildid): New static function.
1091 (elf_try_debugfile): New static function.
1092 (elf_find_debugfile_by_debuglink): New static function.
1093 (elf_open_debugfile_by_debuglink): New static function.
1094 (elf_add): Add filename and debuginfo parameters. Adjust all
1095 callers. Look for external debug info notes, and try to fetch
1096 debug info from external file.
1097 (struct phdr_data): Add exe_filename field.
1098 (phdr_callback): Pass filename to elf_add.
1099 (backtrace_initialize): Add filename parameter.
1100 * internal.h (backtrace_initialize): Add filename parameter.
1101 * fileline.c (fileline_initialize): Pass filename to
1102 backtrace_initialize.
1103 * pecoff.c (fileline_initialize): Add unused filename parameter.
1104 * unknown.c (fileline_initialize): Likewise.
1105 * xcoff.c (fileline_initialize): Likewise.
1106 * configure.ac: Check for objcopy --add-gnu-debuglink.
1107 * Makefile.am (dtest): New test target.
1108 * configure, Makefile.in: Rebuild.
1110 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1113 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1114 * Makefile.in: Regenerate.
1116 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1119 * libbacktrace/Makefile.in
1120 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1122 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
1125 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1127 2017-07-28 Tony Reix <tony.reix@atos.net>
1129 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1131 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1133 * fileline.c (fileline_initialize): Print pid_t as long.
1135 2017-07-26 Tony Reix <tony.reix@atos.net>
1137 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
1138 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1139 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1140 * configure, config.h.in: Regenerate.
1142 2017-07-21 Tony Reix <tony.reix@atos.net>
1144 * filetype.awk: Add AIX XCOFF type detection.
1145 * configure.ac: Recognize xcoff format.
1146 * Makefile.am (FORMAT_FILES): Add xcoff.c.
1147 * fileline.c: Include <unistd.h>.
1148 (fileline_initialize): Add case for AIX procfs.
1149 * xcoff.c: New file.
1150 * configure, Makefile.in: Rebuild.
1152 2017-06-21 Richard Biener <rguenther@suse.de>
1154 * configure.ac: Add AC_SYS_LARGEFILE.
1155 * config.h.in: Regenerate.
1156 * configure: Likewise.
1158 2017-06-11 Ian Lance Taylor <iant@golang.org>
1160 * elf.c (backtrace_initialize): Always set *fileline_fn.
1161 * ttest.c: New file.
1162 * btest.c: Move support functions into testlib.c. Change calls to
1163 check to pass file name.
1164 * testlib.c: New file, copied from (part of) btest.c.
1165 * testlib.h: New file, declarations for testlib.c.
1166 * edtest.c: Use testlib.h and testlib.c.
1167 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1168 * Makefile.am (btest_SOURCES): Add testlib.c.
1169 (edtest_SOURCES): Likewise.
1170 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1171 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1172 * configure, Makefile.in: Rebuild.
1174 2017-05-19 Than McIntosh <thanm@google.com>
1176 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1177 (read_line_header): Don't allocate dirs if dirs_count == 0.
1178 * edtest.c: New file.
1179 * edtest2.c: New file.
1180 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1181 (check_PROGRAMS): Add edtest.
1182 (edtest2_build.c, gen_edtest2_build): New targets.
1183 * Makefile.in: Rebuild.
1185 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
1187 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1188 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1190 2017-01-01 Jakub Jelinek <jakub@redhat.com>
1192 Update copyright years.
1194 2016-11-15 Matthias Klose <doko@ubuntu.com>
1196 * configure: Regenerate.
1198 2016-09-11 Carlos Liam <carlos@aarzee.me>
1200 * all: Remove meaningless trailing whitespace.
1202 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
1205 * elf.c (phdr_callback) [__i386__]: Add
1206 __attribute__((__force_align_arg_pointer__)).
1208 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
1210 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1211 avoid possible crash.
1212 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1213 missing debug info anymore.
1215 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
1217 * mmap.c (MAP_FAILED): Define if not defined.
1219 2016-01-04 Jakub Jelinek <jakub@redhat.com>
1221 Update copyright years.
1223 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
1225 * configure.ac: Specify that DJGPP do not have mmap
1226 even when sys/mman.h exists.
1227 * configure: Regenerate
1229 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
1231 PR libgfortran/68115
1232 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1233 * configure: Regenerate.
1234 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1237 2015-09-17 Ian Lance Taylor <iant@google.com>
1239 * posix.c (backtrace_open): Cast second argument of open() to int.
1241 2015-09-11 Ian Lance Taylor <iant@google.com>
1243 * Makefile.am (backtrace.lo): Depend on internal.h.
1244 (sort.lo, stest.lo): Add explicit dependencies.
1245 * Makefile.in: Rebuild.
1247 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
1249 * backtrace.c: #include <sys/types.h>.
1251 2015-09-08 Ian Lance Taylor <iant@google.com>
1254 * backtrace.c: #include "internal.h".
1255 (struct backtrace_data): Add can_alloc field.
1256 (unwind): If can_alloc is false, don't try to get file/line
1258 (backtrace_full): Set can_alloc field in bdata.
1259 * alloc.c (backtrace_alloc): Don't call error_callback if it is
1261 * mmap.c (backtrace_alloc): Likewise.
1262 * internal.h: Update comments for backtrace_alloc and
1265 2015-09-08 Ian Lance Taylor <iant@google.com>
1268 * mmap.c (backtrace_alloc): Correct test for mmap failure.
1270 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1272 * configure.ac: For spu-*-* targets, set have_fcntl to no.
1273 * configure: Regenerate.
1275 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1277 * configure.ac: Remove [disable-shared] argument to LT_INIT.
1278 Remove setting PIC_FLAG when building as target library.
1279 * configure: Regenerate.
1281 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
1283 * configure.ac: Only compile with -fPIC if the target
1285 * configure: Regenerate.
1287 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1289 * configure.ac: Set have_mmap to no on spu-*-* targets.
1290 * configure: Regenerate.
1292 2015-08-13 Ian Lance Taylor <iant@google.com>
1294 * dwarf.c (read_function_entry): Add vec_inlined parameter.
1297 2015-06-11 Martin Sebor <msebor@redhat.com>
1300 * dwarf.c (struct line): Add new field idx.
1301 (line_compare): Use it.
1303 (read_line_info): Reset it.
1305 2015-05-29 Tristan Gingold <gingold@adacore.com>
1307 * pecoff.c: New file.
1308 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1309 * Makefile.in: Regenerate.
1310 * filetype.awk: Detect pecoff.
1311 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1313 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1315 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1316 * configure: Regenerate.
1317 * pecoff.c: New file.
1319 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
1321 * Makefile.in: Regenerated with automake-1.11.6.
1322 * aclocal.m4: Likewise.
1323 * configure: Likewise.
1325 2015-01-24 Matthias Klose <doko@ubuntu.com>
1327 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1328 * configure: Regenerate.
1330 2015-01-05 Jakub Jelinek <jakub@redhat.com>
1332 Update copyright years.
1334 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
1337 * configure: Regenerated.
1339 2014-11-11 David Malcolm <dmalcolm@redhat.com>
1341 * ChangeLog.jit: New.
1343 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1346 * configure: Regenerate.
1348 2014-10-23 Ian Lance Taylor <iant@google.com>
1350 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1351 Fix to return void *.
1353 2014-05-08 Ian Lance Taylor <iant@google.com>
1355 * mmap.c (backtrace_free): If freeing a large aligned block of
1356 memory, call munmap rather than holding onto it.
1357 (backtrace_vector_grow): When growing a vector, double the number
1358 of pages requested. When releasing the old version of a grown
1359 vector, pass the correct size to backtrace_free.
1361 2014-03-07 Ian Lance Taylor <iant@google.com>
1363 * sort.c (backtrace_qsort): Use middle element as pivot.
1365 2014-03-06 Ian Lance Taylor <iant@google.com>
1368 * stest.c: New file.
1369 * internal.h (backtrace_qsort): Declare.
1370 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1371 (read_line_info, read_function_entry): Likewise.
1372 (read_function_info, build_dwarf_data): Likewise.
1373 * elf.c (elf_initialize_syminfo): Likewise.
1374 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1375 (stest_SOURCES, stest_LDADD): Define.
1376 (check_PROGRAMS): Add stest.
1378 2014-02-07 Misty De Meo <misty@brew.sh>
1381 * configure.ac: Use AC_LINK_IFELSE in check for
1383 * configure: Regenerate.
1385 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1387 Update copyright years
1389 2013-12-06 Jakub Jelinek <jakub@redhat.com>
1391 * elf.c (ET_DYN): Undefine and define again.
1392 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1393 return early -1 without closing the descriptor.
1394 (struct phdr_data): Add exe_descriptor.
1395 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1396 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1397 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1399 (backtrace_initialize): Adjust call to elf_add. If it returns
1400 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1402 2013-12-05 Ian Lance Taylor <iant@google.com>
1404 * alloc.c (backtrace_vector_finish): Add error_callback and data
1405 parameters. Call backtrace_vector_release. Return address base.
1406 * mmap.c (backtrace_vector_finish): Add error_callback and data
1407 parameters. Return address base.
1408 * dwarf.c (read_function_info): Get new address base from
1409 backtrace_vector_finish.
1410 * internal.h (backtrace_vector_finish): Update declaration.
1412 2013-11-27 Ian Lance Taylor <iant@google.com>
1414 * dwarf.c (find_address_ranges): New static function, broken out
1415 of build_address_map.
1416 (build_address_map): Call it.
1417 * btest.c (check): Check for missing filename or function, rather
1419 (f3): Check that enough frames were returned.
1421 2013-11-19 Jakub Jelinek <jakub@redhat.com>
1423 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1424 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1426 * btest.c (struct symdata): Add size field.
1427 (callback_three): Add symsize argument. Copy it to the data->size
1429 (f23): Set symdata.size to 0.
1430 (test5): Likewise. If sizeof (int) > 1, lookup address of
1431 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1434 * atomic.c: Include sys/types.h.
1436 2013-11-18 Ian Lance Taylor <iant@google.com>
1438 * configure.ac: Check for support of __atomic extensions.
1439 * internal.h: Declare or #define atomic functions for use in
1441 * atomic.c: New file.
1442 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1443 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1444 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1445 (backtrace_initialize): Likewise.
1446 * fileline.c (fileline_initialize): Likewise.
1447 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1448 * configure, config.h.in, Makefile.in: Rebuild.
1450 2013-11-18 Jakub Jelinek <jakub@redhat.com>
1452 * elf.c (SHN_UNDEF): Define.
1453 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1454 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1455 (elf_add): Adjust caller.
1457 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1459 2013-11-16 Ian Lance Taylor <iant@google.com>
1461 * backtrace.h (backtrace_create_state): Correct comment about
1464 2013-11-15 Ian Lance Taylor <iant@google.com>
1466 * backtrace.h (backtrace_syminfo): Update comment and parameter
1467 name to take any address, not just a PC value.
1468 * elf.c (STT_OBJECT): Define.
1469 (elf_nosyms): Rename parameter pc to addr.
1470 (elf_symbol_search): Rename local variable pc to addr.
1471 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1472 (elf_syminfo): Rename parameter pc to addr.
1473 * btest.c (global): New global variable.
1477 2013-10-17 Ian Lance Taylor <iant@google.com>
1479 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1482 2013-10-15 David Malcolm <dmalcolm@redhat.com>
1484 * configure.ac: Add --enable-host-shared, setting up
1485 pre-existing PIC_FLAG variable within Makefile.am et al.
1486 * configure: Regenerate.
1488 2013-09-20 Alan Modra <amodra@gmail.com>
1490 * configure: Regenerate.
1492 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1494 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1496 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1498 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1499 dl_iterate_phdr callbacks.
1501 2013-03-25 Ian Lance Taylor <iant@google.com>
1503 * alloc.c: #include <sys/types.h>.
1506 2013-01-31 Ian Lance Taylor <iant@google.com>
1508 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1509 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1511 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1514 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1515 attribute was not seen.
1517 2013-01-16 Ian Lance Taylor <iant@google.com>
1519 * dwarf.c (struct unit): Add filename and abs_filename fields.
1520 (build_address_map): Set new fields when reading unit.
1521 (dwarf_lookup_pc): If we don't find an entry in the line table,
1522 just return the main file name.
1524 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1526 Update copyright years.
1528 2013-01-01 Ian Lance Taylor <iant@google.com>
1531 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1532 $(MULTIBUILDTOP)/../../gcc/include.
1533 * Makefile.in: Rebuild.
1535 2013-01-01 Ian Lance Taylor <iant@google.com>
1538 * mmap.c (backtrace_alloc): Don't call sync functions if not
1540 (backtrace_free): Likewise.
1542 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1544 * mmapio.c: Define MAP_FAILED if not defined.
1546 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1549 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1550 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1551 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1553 * Makefile.in: Regenerated.
1554 * configure: Regenerated.
1556 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1559 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1560 * Makefile.in: Regenerated.
1562 2012-11-20 Ian Lance Taylor <iant@google.com>
1564 * dwarf.c (read_attribute): Always clear val.
1566 2012-11-13 Ian Lance Taylor <iant@google.com>
1569 * configure.ac: Only add -Werror if building a target library.
1570 * configure: Rebuild.
1572 2012-11-12 Ian Lance Taylor <iant@google.com>
1573 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1574 Gerald Pfeifer <gerald@pfeifer.com>
1576 * configure.ac: Check for getexecname.
1577 * fileline.c: #include <errno.h>. Define getexecname if not
1579 (fileline_initialize): Try to find the executable in a few
1581 * print.c (error_callback): Only print the filename if it came
1582 from the backtrace state.
1583 * configure, config.h.in: Rebuild.
1585 2012-10-29 Ian Lance Taylor <iant@google.com>
1587 * mmap.c (backtrace_vector_release): Correct last patch: add
1590 2012-10-29 Ian Lance Taylor <iant@google.com>
1592 * mmap.c (backtrace_vector_release): Make sure freed block is
1593 aligned on 8-byte boundary.
1595 2012-10-26 Ian Lance Taylor <iant@google.com>
1598 * posix.c (backtrace_open): Add does_not_exist parameter.
1599 * elf.c (phdr_callback): Do not warn if shared library could not
1601 * fileline.c (fileline_initialize): Update calls to
1603 * internal.h (backtrace_open): Update declaration.
1605 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1608 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1609 * configure: Regenerate.
1611 2012-10-24 Ian Lance Taylor <iant@google.com>
1614 * configure.ac: Check whether -funwind-tables option works.
1615 * configure: Rebuild.
1617 2012-10-11 Ian Lance Taylor <iant@google.com>
1619 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1620 * configure: Rebuild.
1622 2012-10-10 Ian Lance Taylor <iant@google.com>
1624 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1627 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1629 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1631 2012-10-09 Ian Lance Taylor <iant@google.com>
1633 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1634 (backtrace_dwarf_add): Likewise.
1636 2012-10-09 Ian Lance Taylor <iant@google.com>
1638 Add support for tracing through shared libraries.
1639 * configure.ac: Check for link.h and dl_iterate_phdr.
1640 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1641 ELF macros before #defining them.
1642 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1644 (struct elf_syminfo_data): Add next field.
1645 (elf_initialize_syminfo): Initialize next field.
1646 (elf_add_syminfo_data): New static function.
1647 (elf_add): New static function, broken out of
1648 backtrace_initialize. Call backtrace_dwarf_add instead of
1649 backtrace_dwarf_initialize.
1650 (struct phdr_data): Define.
1651 (phdr_callback): New static function.
1652 (backtrace_initialize): Call elf_add.
1653 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1654 (add_unit_addr): Add base_address parameter. Change all callers.
1655 (add_unit_ranges, build_address_map): Likewise.
1656 (add_line): Add ddata parameter. Change all callers.
1657 (read_line_program, add_function_range): Likewise.
1658 (dwarf_lookup_pc): New static function, broken out of
1660 (dwarf_fileline): Call dwarf_lookup_pc.
1661 (build_dwarf_data): New static function.
1662 (backtrace_dwarf_add): New function.
1663 (backtrace_dwarf_initialize): Remove.
1664 * internal.h (backtrace_dwarf_initialize): Don't declare.
1665 (backtrace_dwarf_add): Declare.
1666 * configure, config.h.in: Rebuild.
1668 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1670 * btest.c (f23): Avoid uninitialized variable warning.
1672 2012-10-04 Ian Lance Taylor <iant@google.com>
1674 * dwarf.c: If the system header files do not declare strnlen,
1675 provide our own version.
1677 2012-10-03 Ian Lance Taylor <iant@google.com>
1679 * dwarf.c (read_uleb128): Fix overflow test.
1680 (read_sleb128): Likewise.
1681 (build_address_map): Don't change unit_buf.start.
1683 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
1686 * configure.ac (EXTRA_FLAGS): New.
1687 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1688 * configure, Makefile.in: Regenerate.
1690 2012-09-29 Ian Lance Taylor <iant@google.com>
1693 * fileline.c (fileline_initialize): Pass errnum as -1 when
1694 reporting that we could not read executable information after a
1697 2012-09-27 Ian Lance Taylor <iant@google.com>
1700 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1701 * Makefile.am: Add dependencies for all objects.
1702 * configure, aclocal.m4, Makefile.in: Rebuild.
1704 2012-09-27 Ian Lance Taylor <iant@google.com>
1707 * elf.c (backtrace_initialize): Set *fileln_fn, not
1710 2012-09-19 Ian Lance Taylor <iant@google.com>
1712 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1713 as a target library.
1714 * configure: Rebuild.
1716 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1717 Ian Lance Taylor <iant@google.com>
1719 * configure.ac (GCC_HEADER_STDINT): Invoke.
1720 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1721 * btest.c: Don't include <stdint.h>.
1722 * dwarf.c: Likewise.
1723 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1725 2012-09-18 Ian Lance Taylor <iant@google.com>
1728 * Makefile.am (AM_CPPFLAGS): Define.
1729 (AM_CFLAGS): Remove -I options.
1730 * Makefile.in: Rebuild.
1732 2012-09-18 Ian Lance Taylor <iant@google.com>
1734 * posix.c (O_BINARY): Define if not defined.
1735 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
1736 HAVE_FCNTL is defined.
1737 * configure.ac: Test for the fcntl function.
1738 * configure, config.h.in: Rebuild.
1740 2012-09-18 Ian Lance Taylor <iant@google.com>
1742 * btest.c (test1, test2, test3, test4): Add the unused attribute.
1744 2012-09-18 Ian Lance Taylor <iant@google.com>
1746 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1748 2012-09-18 Ian Lance Taylor <iant@google.com>
1750 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1751 * mmapio.c: Don't define _GNU_SOURCE.
1752 * configure, config.h.in: Rebuild.
1754 2012-09-18 Ian Lance Taylor <iant@google.com>
1756 * configure.ac: Check whether strnlen is declared.
1757 * dwarf.c: Declare strnlen if not declared.
1758 * configure, config.h.in: Rebuild.
1760 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1762 * fileline.c: Include <stdlib.h>.
1765 2012-09-17 Ian Lance Taylor <iant@google.com>
1768 * nounwind.c (backtrace_full): Rename from backtrace. Add state
1771 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
1774 * nounwind.c (backtrace_simple): Add state parameter.
1776 2012-09-17 Ian Lance Taylor <iant@google.com>
1779 * unknown.c (unknown_fileline): Add state parameter, remove
1780 fileline_data parameter, name error_callback parameter.
1781 (backtrace_initialize): Add state parameter.
1783 2012-09-17 Ian Lance Taylor <iant@google.com>
1785 * Initial implementation.
1787 Copyright (C) 2012-2021 Free Software Foundation, Inc.
1789 Copying and distribution of this file, with or without modification,
1790 are permitted in any medium without royalty provided the copyright
1791 notice and this notice are preserved.