1 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
4 * configure: Regenerated.
6 2021-03-03 Ian Lance Taylor <iant@golang.org>
8 * dwarf.c (read_line_program): Don't special case file 0.
9 (read_function_entry): Likewise.
11 2021-03-02 Ian Lance Taylor <iant@golang.org>
14 * dwarf.c (dwarf_buf_error): Add errnum parameter. Change all
16 * backtrace.h: Update backtrace_error_callback comment.
18 2021-02-12 Ian Lance Taylor <iant@golang.org>
20 * configure.ac: Check for objcopy --add-gnu-debuglink by using
22 * configure: Regenerate
24 2021-01-18 Ian Lance Taylor <iant@golang.org>
26 * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
27 * Makefile.in: Regenerate.
28 * configure: Regenerate.
30 2021-01-18 Ian Lance Taylor <iant@golang.org>
33 * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
35 (read_line_program): Remove parameter u, change caller. Don't
36 subtract one from dirs and filenames index.
37 (read_function_entry): Don't subtract one from filenames index.
39 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
41 * configure: Re-generate.
43 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
46 * configure: Regenerate.
48 2020-12-02 Ian Lance Taylor <iant@golang.org>
50 * dwarf.c (resolve_string): Use > rather than >= to check whether
51 string index extends past buffer.
52 (resolve_addr_index): Similarly for address index.
54 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
56 * configure: Regenerate.
58 2020-10-20 Ian Lance Taylor <iant@golang.org>
60 * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
61 * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
63 2020-09-28 Ian Lance Taylor <iant@golang.org>
66 * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
67 * Makefile.in: Regenerate.
69 2020-09-28 Ian Lance Taylor <iant@golang.org>
72 * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
73 * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
74 * configure: Regenerate.
75 * Makefile.in: Regenerate.
77 2020-09-23 Ian Lance Taylor <iant@golang.org>
79 * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
81 (dwarf_lookup_pc): Likewise.
83 2020-09-17 Ian Lance Taylor <iant@golang.org>
86 * fileline.c (backtrace_syminfo_to_full_callback): New function.
87 (backtrace_syminfo_to_full_error_callback): New function.
88 * elf.c (elf_nodebug): Call syminfo_fn if possible.
89 * internal.h (struct backtrace_call_full): Define.
90 (backtrace_syminfo_to_full_callback): Declare.
91 (backtrace_syminfo_to_full_error_callback): Declare.
92 * mtest.c (f3): Only check all[i] if data.index permits.
94 2020-09-16 Iain Sandoe <iain@sandoe.co.uk>
96 * macho.c (MACH_O_CPU_TYPE_PPC): New.
97 (MACH_O_CPU_TYPE_PPC64): New.
98 Add compile-tests for powerpc to the Mach-O variants.
100 2020-09-14 Ian Lance Taylor <iant@golang.org>
102 PR libbacktrace/93608
103 Add support for MiniDebugInfo.
104 * elf.c (struct elf_view): Define. Replace most uses of
105 backtrace_view with elf_view.
106 (elf_get_view): New static functions. Replace most calls of
107 backtrace_get_view with elf_get_view.
108 (elf_release_view): New static functions. Replace most calls of
109 backtrace_release_view with elf_release_view.
110 (elf_uncompress_failed): Rename from elf_zlib_failed. Change all
112 (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
113 (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
114 (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
115 (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
116 (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
117 (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
118 (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
119 (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
120 (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
121 (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
122 (LZMA_PROB_DIST_ALIGN_LEN): Define.
123 (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
124 (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
125 (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
126 (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
127 (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
128 (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
129 (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
130 (LZMA_PROB_REP_LEN_LOW_LEN): Define.
131 (LZMA_PROB_REP_LEN_MID_LEN): Define.
132 (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
133 (LZMA_PROB_LITERAL_LEN): Define.
134 (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
135 (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
136 (LZMA_PROB_IS_REP2_OFFSET): Define.
137 (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
138 (LZMA_PROB_DIST_SLOT_OFFSET): Define.
139 (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
140 (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
141 (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
142 (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
143 (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
144 (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
145 (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
146 (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
147 (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
148 (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
149 (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
150 (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
151 (LZMA_PROB_LITERAL_OFFSET): Define.
152 (LZMA_PROB_TOTAL_COUNT): Define.
153 (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
154 (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
155 (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
156 (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
157 (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
158 (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
159 (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
160 (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
161 (elf_lzma_varint): New static function.
162 (elf_lzma_range_normalize): New static function.
163 (elf_lzma_bit, elf_lzma_integer): New static functions.
164 (elf_lzma_reverse_integer): New static function.
165 (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
166 (elf_uncompress_lzma): New static function.
167 (backtrace_uncompress_lzma): New function.
168 (elf_add): Add memory and memory_size parameters. Change all
169 callers. Look for .gnu_debugdata section, and, if found,
170 decompress it and use it for symbols and debug info. Permit the
171 descriptor parameter to be -1.
172 * internal.h (backtrace_uncompress_lzma): Declare.
174 * xztest.c: New file.
175 * configure.ac: Check for nm, xz, and comm programs. Check for
177 (HAVE_MINIDEBUG): Define.
178 * Makefile.am (mtest_SOURCES): Define.
179 (mtest_CFLAGS, mtest_LDADD): Define.
180 (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
181 (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
182 (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
183 (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
184 (xztest_alloc_LDADD): Define.
185 (BUILDTESTS): Add mtest, xztest, xztest_alloc.
186 (CLEANFILES): Add files created by minidebug pattern.
187 (btest.lo): Correct INCDIR reference.
188 (mtest.lo, xztest.lo, ztest.lo): New targets.
189 * configure: Regenerate.
190 * config.h.in: Regenerate.
191 * Makefile.in: Regenerate.
193 2020-09-09 Ian Lance Taylor <iant@golang.org>
195 * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
196 (coff_add): Determine and pass is_64.
198 2020-09-09 Ian Lance Taylor <iant@golang.org>
200 PR libbacktrace/96973
201 * fileline.c (macho_get_executable_path): New static function.
202 (fileline_initialize): Call macho_get_executable_path.
204 2020-09-09 Ian Lance Taylor <iant@golang.org>
206 * dwarf.c (function_addrs_search): Compare against the next entry
207 low address, not the high address.
208 (unit_addrs_search): Likewise.
209 (build_address_map): Add a trailing unit_addrs.
210 (read_function_entry): Add a trailing function_addrs.
211 (read_function_info): Likewise.
212 (report_inlined_functions): Search backward for function_addrs
214 (dwarf_lookup_pc): Search backward for unit_addrs and
215 function_addrs matches.
217 2020-09-08 Ian Lance Taylor <iant@golang.org>
219 * simple.c (simple_unwind): Correct comment spelling.
221 2020-09-08 Ian Lance Taylor <iant@golang.org>
223 * macho.c (macho_add_dsym): Make space for '/' in dsym. Use
224 correct length when freeing diralc.
226 2020-09-08 Ian Lance Taylor <iant@golang.org>
228 PR libbacktrace/96973
229 * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
231 2020-09-08 Ian Lance Taylor <iant@golang.org>
233 PR libbacktrace/96971
234 * filetype.awk: Only match magic number at start of line.
236 2020-08-24 Ian Lance Taylor <iant@golang.org>
238 * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
239 (MACH_O_MH_CIGAM_FAT_64): Define.
240 (struct macho_fat_arch_64): Define.
241 (macho_add_fat): Add and use is_64 parameter.
242 (macho_add): Recognize 64-bit fat files.
244 2020-07-30 H.J. Lu <hjl.tools@gmail.com>
247 * configure: Regenerated.
249 2020-07-08 Ian Lance Taylor <iant@golang.org>
251 * configure.ac: Test linker support for DWARF5
252 * configure: Regenerate
254 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
257 * configure: Regenerated.
259 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
262 * configure: Regenerated.
264 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
266 * configure: Regenerated.
268 2020-05-13 Ian Lance Taylor <iant@golang.org>
270 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
272 2020-05-13 Ian Lance Taylor <iant@golang.org>
275 * posix.c (backtrace_open): Treat EACCESS like ENOENT.
277 2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
279 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
280 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
281 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
283 * Makefile.in: Regenerated.
284 * configure: Likewise.
286 2020-05-11 Ian Lance Taylor <iant@golang.org>
288 PR libbacktrace/95012
289 * configure.ac: Check for getpagesize declaration.
290 * mmap.c: Declare getpagesize if necessary.
291 * mmapio.c: Likewise.
292 * configure: Regenerate.
293 * config.h.in: Regenerate.
294 * Makefile.in: Regenerate.
296 2020-05-09 Roland McGrath <mcgrathr@google.com>
298 * elf.c (elf_add): Bail early if there are no section headers at all.
300 2020-05-09 Ian Lance Taylor <iant@golang.org>
302 * elf.c (elf_add): Don't free strtab if an error occurs after
303 recording symbol information.
305 2020-05-09 Ian Lance Taylor <iant@golang.org>
307 PR libbacktrace/88745
309 * filetype.awk: Recognize Mach-O files.
310 * Makefile.am (FORMAT_FILES): Add macho.c.
311 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
312 (%.dSYM): New pattern target.
313 (test_macho_SOURCES, test_macho_CFLAGS): New targets.
314 (test_macho_LDADD): New target.
315 (BUILDTESTS): Add test_macho.
316 (macho.lo): Add dependencies.
317 * configure.ac: Recognize macho file type. Check for
318 mach-o/dyld.h. Don't try to run objcopy if we don't find it.
319 Look for dsymutil and define a HAVE_DSYMUTIL conditional.
320 * Makefile.in: Regenerate.
321 * configure: Regenerate.
322 * config.h.in: Regenerate.
324 2020-05-09 Ian Lance Taylor <iant@golang.org>
326 * read.c (backtrace_get_view): Support short read.
328 2020-05-09 Ian Lance Taylor <iant@golang.org>
330 * elf.c (elf_add): If debug sections are very large or far apart,
331 read them individually rather than as a single view.
333 2020-05-08 Ian Lance Taylor <iant@golang.org>
335 * fileline.c (sysctl_exec_name): New static function.
336 (sysctl_exec_name1): New macro or static function.
337 (sysctl_exec_name2): Likewise.
338 (fileline_initialize): Try sysctl_exec_name[12].
339 * configure.ac: Check for sysctl args to fetch executable name.
340 * configure: Regenerate.
341 * config.h.in: Regenerate.
343 2020-02-15 Ian Lance Taylor <iant@golang.org>
345 * ztest.c (test_large): Update file to current libgo test file.
347 2020-02-03 Ian Lance Taylor <iant@golang.org>
349 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
350 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
351 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
352 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
353 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
354 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
355 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
356 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
357 (stest_alloc_CFLAGS): Likewise.
358 * Makefile.in: Regenerate.
359 * ztest.c (error_callback_compress): Mark vdata unused.
360 (test_large): Add casts to avoid warnings.
362 2020-01-01 Jakub Jelinek <jakub@redhat.com>
364 Update copyright years.
366 2019-12-13 Ian Lance Taylor <iant@golang.org>
369 * dwarf.c (struct attr): Add val field.
370 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
371 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
372 (struct line_header): Add addrsize field.
373 (struct line_header_format): Define.
374 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
376 (read_uint24): New static function.
377 (read_attribute): Add implicit_val parameter. Replace dwarf_str
378 and dwarf_str_size parameters with dwarf_sections parameter. Add
379 support for new DWARF 5 forms. Change all callers.
380 (resolve_string): New static function.
381 (resolve_addr_index): Likewise.
382 (read_abbrevs): Support DW_FORM_implicit_const.
383 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
384 and ranges_is_index fields.
385 (update_pcrange): Support DWARF 5 encodings.
386 (add_high_low_range): New static function, split out of
388 (add_ranges_from_ranges): Likewise.
389 (add_ranges_from_rnglists): New static function.
390 (add_ranges): Just call new helper functions.
391 (find_address_ranges): Use resolve_string for strings, after
392 reading all attributes. Handle new DWARF 5 attributes.
393 (build_address_map): Support DWARF 5 compilation units.
394 (read_v2_paths): New static function, split out of
396 (read_lnct): New static function.
397 (read_line_header_format_entries): Likewise.
398 (read_line_header): Add ddata parameter. Support DWARF 5 line
399 headers. Call new helper functions. Change all callers.
400 (read_line_program): Use addrsize from line program header. Don't
401 special case directory index 0 for DWARF 5.
402 (read_referenced_name): Use resolve_string.
403 (read_function_entry): Handle DWARF 5 encodings. Use
405 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
406 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
407 * elf.c (dwarf_section_names): Add new section names.
408 * pecoff.c (dwarf_section_names): Likewise.
409 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
411 * configure.ac: Define HAVE_DWARF5 automake conditional.
412 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
413 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
414 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
415 (dwarf5_alloc_LDADD): Likewise.
416 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
417 (CLEANFILES, clean-local): Define.
419 2019-12-08 Ian Lance Taylor <iant@golang.org>
421 * dwarf.c (struct pcrange): Define.
422 (update_pcrange, add_ranges): New static functions.
423 (add_unit_addr): Change signature to work with add_ranges. Don't
424 add base_address here.
425 (add_unit_ranges): Remove.
426 (find_address_ranges): Replace str/ranges parameters with
427 dwarf_sections. Use update_pcrange and add_ranges. Change all
429 (add_function_range): Change signature to work with add_ranges.
430 Don't add base_address here.
431 (add_function_ranges): Remove.
432 (read_function_entry): Use update_pcrange and add_ranges.
434 2019-12-04 Ian Lance Taylor <iant@golang.org>
436 * edtest.c (test1): Add noclone attribute.
438 2019-12-04 Ian Lance Taylor <iant@golang.org>
440 * internal.h (enum dwarf_section): Define.
441 (struct dwarf_sections): Define.
442 (backtrace_dwarf_add): Update declaration to replace specific
443 section parameters with dwarf_sections parameter.
444 * dwarf.c (struct dwarf_data): Replace specific section fields
445 with dwarf_sections field.
446 (read_attribute): Use dwarf_sections with altlink.
447 (build_address_map): Replace specific section parameters with
448 dwarf_sections parameter. Change all callers.
449 (read_line_info): Use dwarf_sections with ddata.
450 (read_referenced_name): Likewise.
451 (add_function_ranges): Likewise.
452 (read_function_entry): Likewise.
453 (read_function_info): Likewise.
454 (build_dwarf_data): Replace specific section parameters with
455 dwarf_sections parameter. Change all callers.
456 (backtrace_dwarf_add): Likewise.
457 * elf.c (enum debug_section): Remove.
458 (dwarf_section_names): Remove .zdebug names.
459 (elf_add): Track zsections separately. Build dwarf_sections.
460 * pecoff.c (enum debug_section): Remove.
461 (struct debug_section_info): Remove data field.
462 (coff_add): Build dwarf_sections.
463 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
464 references with DEBUG_xxx references.
465 (xcoff_add): Build dwarf_sections.
467 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
469 * configure: Regenerate.
471 2019-09-26 Ian Lance Taylor <iant@golang.org>
473 PR libbacktrace/91908
474 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
475 __sync_bool_compare_and_swap to void.
476 * xcoff.c (backtrace_initialize): Likewise.
478 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
480 * configure.ac: Remove references to spu.
481 * configure: Regenerate.
483 2019-05-24 Clement Chigot <clement.chigot@atos.net>
485 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
487 * Makefile.in: Regenerate.
489 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
491 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
493 * configure: Regenerate.
495 2019-03-11 Ian Lance Taylor <iant@golang.org>
497 PR libbacktrace/89669
498 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
500 * Makefile.in: Regenerate.
502 2019-02-26 Tom de Vries <tdevries@suse.de>
504 * btest.c (test5): Allow global.* as minimal symbol name for global.
506 2019-02-26 Tom de Vries <tdevries@suse.de>
508 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
509 * Makefile.in: Regenerate.
511 2019-02-12 Tom de Vries <tdevries@suse.de>
513 PR libbacktrace/81983
514 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
516 2019-02-10 Tom de Vries <tdevries@suse.de>
518 * Makefile.am (BUILDTESTS): Add btest_lto.
519 * Makefile.in: Regenerate.
520 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
521 __attribute__((noclone)).
523 2019-02-08 Tom de Vries <tdevries@suse.de>
525 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
526 * print.c (backtrace_print): Same.
527 * simple.c (backtrace_simple): Same.
529 2019-02-08 Tom de Vries <tdevries@suse.de>
531 PR libbacktrace/78063
532 * dwarf.c (build_address_map): Keep all parsed units.
533 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
535 2019-01-31 Tom de Vries <tdevries@suse.de>
537 PR libbacktrace/89136
538 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
539 'debugaltlink_name_len =+ 1'.
541 2019-01-29 Tom de Vries <tdevries@suse.de>
543 * install-debuginfo-for-buildid.sh.in: New script.
544 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
545 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
546 * Makefile.in: Regenerate.
547 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
548 (READELF): Set with AC_CHECK_PROG.
549 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
550 * configure: Regenerate.
551 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
552 (elf_open_debugfile_by_buildid): ... here.
554 2019-01-29 Tom de Vries <tdevries@suse.de>
556 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
558 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
559 (check_PROGRAMS): Add BUILDTESTS.
560 * Makefile.in: Regenerate.
562 2019-01-28 Tom de Vries <tdevries@suse.de>
564 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
565 Use $< to access prerequisite.
566 * Makefile.in: Regenerate.
568 2019-01-25 Nathan Sidwell <nathan@acm.org>
570 * elf.c (elf_add): Pass "" filename to recursive call with
573 2019-01-25 Tom de Vries <tdevries@suse.de>
575 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
577 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
578 * Makefile.in: Regenerate.
580 2019-01-25 Tom de Vries <tdevries@suse.de>
582 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
583 (TESTS): Rename dtest to btest_gnudebuglink.
584 * Makefile.in: Regenerate.
586 2019-01-23 Tom de Vries <tdevries@suse.de>
588 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
589 (units_search, find_unit): Use size_t for offset.
590 (build_address_map): Use size_t for unit_offset.
592 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
594 * allocfail.c (main): Increase portability of printf statement.
596 2019-01-18 Ian Lance Taylor <iant@golang.org>
598 PR libbacktrace/88890
599 * mmapio.c (backtrace_get_view): Change size parameter to
600 uint64_t. Check that value fits in size_t.
601 * read.c (backtrace_get_view): Likewise.
602 * internal.h (backtrace_get_view): Update declaration.
603 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
605 2019-01-17 Tom de Vries <tdevries@suse.de>
607 PR libbacktrace/82857
608 * configure.ac (DWZ): Set with AC_CHECK_PROG.
609 (HAVE_DWZ): Set with AM_CONDITIONAL.
610 * configure: Regenerate.
611 * Makefile.am (TESTS): Add btest_dwz.
612 * Makefile.in: Regenerate.
614 2019-01-17 Tom de Vries <tdevries@suse.de>
616 PR libbacktrace/82857
617 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
618 (read_attribute): Handle DW_FORM_GNU_ref_alt using
619 ATTR_VAL_REF_ALT_INFO.
620 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
622 2019-01-17 Tom de Vries <tdevries@suse.de>
624 * dwarf.c (struct unit): Add low_offset and high_offset fields.
625 (struct unit_vector): New type.
626 (struct dwarf_data): Add units and units_counts fields.
627 (find_unit): New function.
628 (find_address_ranges): Add and handle unit_tag parameter.
629 (build_address_map): Add and handle units_vec parameter.
630 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
633 2019-01-17 Tom de Vries <tdevries@suse.de>
635 PR libbacktrace/82857
636 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
639 2019-01-17 Tom de Vries <tdevries@suse.de>
641 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
642 (read_attribute): Add altlink parameter. Handle missing altlink for
643 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
644 (find_address_ranges, build_address_map, build_dwarf_data): Add and
645 handle altlink parameter.
646 (read_referenced_name, read_function_entry): Add argument to
649 2019-01-17 Tom de Vries <tdevries@suse.de>
651 * dwarf.c (struct dwarf_data): Add altlink field.
652 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
653 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
654 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
655 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
656 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
657 * xcoff.c (xcoff_add): Same.
659 2019-01-17 Tom de Vries <tdevries@suse.de>
661 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
662 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
663 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
664 argument to backtrace_dwarf_add call.
665 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
666 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
667 * xcoff.c (xcoff_add): Same.
669 2019-01-17 Tom de Vries <tdevries@suse.de>
671 * elf.c (elf_add): Add and handle with_buildid_data and
672 with_buildid_size parameters. Handle .gnu_debugaltlink section.
673 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
675 2019-01-16 Tom de Vries <tdevries@suse.de>
677 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
679 (read_referenced_name): ... here, and ...
680 (read_function_entry): ... here.
682 2019-01-16 Tom de Vries <tdevries@suse.de>
684 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
686 (read_function_entry): Same. Don't allow name found via
687 DW_AT_abstract_origin or case DW_AT_specification to override linkage
690 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
694 * backtrace.h: Mechanically replace "can not" with "cannot".
696 2019-01-01 Jakub Jelinek <jakub@redhat.com>
698 Update copyright years.
700 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
702 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
704 * Makefile.in: Regenerate.
706 2018-12-28 Tom de Vries <tdevries@suse.de>
708 * dwarf.c (build_address_map): Reuse unused units.
710 2018-12-28 Tom de Vries <tdevries@suse.de>
712 * dwarf.c (build_address_map): Simplify by removing local variable
715 2018-12-28 Ian Lance Taylor <iant@golang.org>
716 Tom de Vries <tdevries@suse.de>
718 PR libbacktrace/88063
719 * dwarf.c (free_unit_addrs_vector): Remove.
720 (build_address_map): Keep track of allocated units in vector. Free
721 allocated units and corresponding abbrevs upon failure. Remove now
722 redundant call to free_unit_addrs_vector. Free addrs vector upon
723 failure. Free allocated unit vector.
725 2018-12-28 Tom de Vries <tdevries@suse.de>
727 * dwarf.c (build_address_map): Free addrs vector upon failure.
729 2018-12-14 Tom de Vries <tdevries@suse.de>
732 * allocfail.sh: Remove "set -o pipefail".
734 2018-12-12 Tom de Vries <tdevries@suse.de>
736 * Makefile.am (TESTS): Add allocfail.sh.
737 (check_PROGRAMS): Add allocfail.
738 * Makefile.in: Regenerate.
739 * instrumented_alloc.c: New file. Redefine malloc and realloc.
741 * allocfail.c: New file.
742 * allocfail.sh: New file.
744 2018-11-30 Tom de Vries <tdevries@suse.de>
746 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
747 test_xcoff_64, test_pecoff and test_unknown.
748 * Makefile.in: Regenerate.
749 * test_format.c: New file.
751 2018-11-30 Tom de Vries <tdevries@suse.de>
753 * Makefile.am : Add _with_alloc version for each test in
755 * Makefile.in: Regenerate.
757 2018-11-30 Tom de Vries <tdevries@suse.de>
759 * internal.h (backtrace_vector_free): New static inline fuction,
761 * dwarf.c (read_line_info): ... here.
763 2018-11-28 Tom de Vries <tdevries@suse.de>
765 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
768 2018-11-27 Tom de Vries <tdevries@suse.de>
770 * mmap.c (backtrace_vector_release): Same.
771 * unittest.c (test1): Add check.
773 2018-11-27 Tom de Vries <tdevries@suse.de>
775 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
777 * Makefile.am (check_PROGRAMS): Add unittest.
778 * Makefile.in: Regenerate.
779 * unittest.c: New file.
781 2018-11-22 Tom de Vries <tdevries@suse.de>
783 * dwarf.c (read_initial_length): Factor out of ...
784 (build_address_map, read_line_info): ... here.
786 2018-11-21 Tom de Vries <tdevries@suse.de>
788 * dwarf.c (read_string): Factor out of ...
789 (read_attribute, read_line_header, read_line_program): ... here.
791 2018-10-31 Joseph Myers <joseph@codesourcery.com>
794 * Makefile.am: Include multilib.am.
795 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
796 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
798 2018-10-05 Ian Lance Taylor <iant@golang.org>
800 PR libbacktrace/87529
801 * backtrace.h: Document that backtrace_create_state should be
804 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
806 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
807 * Makefile.in: Regenerate.
808 * config.h.in: Likewise.
809 * configure: Likewise.
811 2018-08-01 Tony Reix <tony.reix@atos.net>
813 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
814 (struct xcoff_func, struct xcoff_func_vector): New structs.
815 (xcoff_syminfo): Drop leading dot from symbol name.
816 (xcoff_line_compare, xcoff_line_search): Remove.
817 (xcoff_func_compare, xcoff_func_search): New static functions.
818 (xcoff_lookup_pc): Search function table.
819 (xcoff_add_line, xcoff_process_linenos): Remove.
820 (xcoff_initialize_fileline): Build function table.
822 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
825 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
826 checking up to 36 bytes.
828 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
830 * configure: Regenerated.
832 2018-04-19 Jakub Jelinek <jakub@redhat.com>
834 * configure: Regenerated.
836 2018-04-17 Ian Lance Taylor <iant@golang.org>
838 * backtrace.c: Revert last two changes. Don't call mmap
841 2018-04-17 Ian Lance Taylor <iant@golang.org>
843 * backtrace.c: Include backtrace-supported.h before checking
844 BACKTRACE_USES_MALLOC.
846 2018-04-17 Ian Lance Taylor <iant@golang.org>
848 * backtrace.c (backtrace_full): When testing whether we can
849 allocate memory, call mmap directly, and munmap the memory.
851 2018-04-04 Jakub Jelinek <jakub@redhat.com>
854 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
855 big endian, only use 32-bit loads if endianity macros are predefined
856 and indicate big or little endian.
858 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
861 * configure: Regenerate.
863 2018-02-15 Jakub Jelinek <jakub@redhat.com>
866 * elf.c (SHT_PROGBITS): Undefine and define.
868 2018-02-14 Jakub Jelinek <jakub@redhat.com>
871 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
872 (struct elf_ppc64_opd_data): New type.
873 (elf_initialize_syminfo): Add opd argument, handle symbols
874 pointing into the PowerPC64 ELFv1 .opd section.
875 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
876 to structure with .opd data to elf_initialize_syminfo.
878 2018-01-31 Ian Lance Taylor <iant@golang.org>
880 * elf.c (elf_add): Close descriptor if we use a debugfile.
881 * btest.c (check_open_files): New static function.
882 (main): Call check_open_files.
884 2018-01-25 Ian Lance Taylor <iant@golang.org>
886 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
888 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
890 2018-01-25 Ian Lance Taylor <iant@golang.org>
892 * pecoff.c (coff_add): Only release syms_view if it is valid.
894 2018-01-25 Ian Lance Taylor <iant@golang.org>
896 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
898 2018-01-24 Ian Lance Taylor <iant@golang.org>
900 * pecoff.c (coff_add): Use coff_read4, not memcpy.
902 2018-01-24 Ian Lance Taylor <iant@golang.org>
905 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
908 2018-01-19 Tony Reix <tony.reix@atos.net>
910 * xcoff.c (xcoff_incl_compare): New function.
911 (xcoff_incl_search): New function.
912 (xcoff_process_linenos): Use bsearch to find include file.
913 (xcoff_initialize_fileline): Sort include file information.
915 2018-01-16 Ian Lance Taylor <iant@golang.org>
917 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
919 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
920 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
921 (elf_zlib_default_table): Update.
922 (elf_zlib_default_dist_table): New static array.
923 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
925 * ztest.c (struct zlib_test): Add uncompressed_len.
926 (tests): Initialize uncompressed_len field. Add new test case.
927 (test_samples): Use uncompressed_len field.
929 2018-01-03 Jakub Jelinek <jakub@redhat.com>
931 Update copyright years.
933 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
935 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
936 * aclocal.m4: Regenerate.
937 * Makefile.in: Likewise.
938 * configure: Likewise.
940 2017-10-06 Ian Lance Taylor <iant@golang.org>
942 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
943 zlib uncompress function.
945 2017-10-05 Ian Lance Taylor <iant@golang.org>
947 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
948 Read a four byte integer.
949 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
950 boundary before ever calling elf_zlib_fetch.
951 * ztest.c (test_large): Simplify print statements a bit.
953 2017-10-02 Ian Lance Taylor <iant@golang.org>
955 * ztest.c: #include <errno.h>.
956 (TEST_TIMING): Don't define, don't test.
957 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
958 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
959 (ZLIB_CLOCK_GETTIME_ARG): Define.
960 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
961 * Makefile.am: Likewise.
962 * configure, Makefile.in: Rebuild.
964 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
967 * Makefile.am: Append the content of clock_gettime_link to
969 * configure.ac: Test for the case that clock_gettime is in librt.
970 * Makefile.in: Regenerate.
971 * configure: Likewise.
974 * configure.ac: Check for clock_gettime.
975 * config.h.in: Regenerate.
976 * configure: Likewise.
977 * ztest.c (average_time, test_large): Conditionalize test timing
978 on clock_gettime availability.
980 2017-09-29 Tony Reix <tony.reix@atos.net>
982 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
983 (STYP_DWARF, SSUBTYP_DW*): Define.
984 (enum dwarf_section): Define.
985 (struct dwsect_info): Define.
986 (xcoff_add): Look for DWARF sections, pass them to
989 2017-09-28 Ian Lance Taylor <iant@golang.org>
992 * elf.c (__builtin_prefetch): Define if not __GNUC__.
994 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
995 (b_elf_chdr): Define type.
996 (enum debug_section): Add ZDEBUG_xxx values.
997 (debug_section_names): Add names for new sections.
998 (struct debug_section_info): Add compressed field.
999 (elf_zlib_failed, elf_zlib_fetch): New static functions.
1000 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
1001 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
1002 (HUFFMAN_SECONDARY_SHIFT): Define.
1003 (ZDEBUG_TABLE_SIZE): Define.
1004 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1005 (final_next_secondary): New static variable if
1006 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1007 (elf_zlib_inflate_table): New static function.
1008 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1009 function to produce fixed Huffman table.
1010 (elf_zlib_default_table): New static variable.
1011 (elf_zlib_inflate): New static function.
1012 (elf_zlib_verify_checksum): Likewise.
1013 (elf_zlib_inflate_and_verify): Likewise.
1014 (elf_uncompress_zdebug): Likewise.
1015 (elf_uncompress_chdr): Likewise.
1016 (backtrace_uncompress_zdebug): New extern function.
1017 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1018 sections, and uncompress them.
1019 * internal.h (backtrace_compress_zdebug): Declare.
1020 * ztest.c: New file.
1021 * configure.ac: Check for -lz and check whether the linker
1022 supports --compress-debug-sections.
1023 * Makefile.am (ztest_SOURCES): New variable.
1024 (ztest_CFLAGS, ztest_LDADD): New variables.
1025 (check_PROGRAMS): Add ztest.
1026 (ctestg_SOURCES): New variable.
1027 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1028 (ctesta_SOURCES): New variable.
1029 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1030 (check_PROGRAMS): Add ctestg and ctesta.
1031 * configure, config.h.in, Makefile.in: Rebuild.
1033 2017-09-22 Ian Lance Taylor <iant@golang.org>
1036 * configure.ac: Check for lstat and readlink.
1037 * elf.c (lstat, readlink): Provide dummy versions if real versions
1039 * configure, config.h.in: Rebuild.
1041 2017-09-21 Ian Lance Taylor <iant@google.com>
1044 * elf.c (backtrace_initialize): Set pd.exe_filename.
1046 2017-09-20 Ian Lance Taylor <iant@golang.org>
1047 Denis Khalikov <d.khalikov@partner.samsung.com>
1050 Support for external debug info.
1051 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1052 (S_ISLNK): Define if not defined.
1053 (xstrnlen): Define if strnlen is not available.
1054 (b_elf_note): Define type.
1055 (NT_GNU_BUILD_ID): Define macro.
1056 (elf_crc32, elf_crc32_file): New static functions.
1057 (elf_is_symlink, elf_readlink): New static functions.
1058 (elf_open_debugfile_by_buildid): New static function.
1059 (elf_try_debugfile): New static function.
1060 (elf_find_debugfile_by_debuglink): New static function.
1061 (elf_open_debugfile_by_debuglink): New static function.
1062 (elf_add): Add filename and debuginfo parameters. Adjust all
1063 callers. Look for external debug info notes, and try to fetch
1064 debug info from external file.
1065 (struct phdr_data): Add exe_filename field.
1066 (phdr_callback): Pass filename to elf_add.
1067 (backtrace_initialize): Add filename parameter.
1068 * internal.h (backtrace_initialize): Add filename parameter.
1069 * fileline.c (fileline_initialize): Pass filename to
1070 backtrace_initialize.
1071 * pecoff.c (fileline_initialize): Add unused filename parameter.
1072 * unknown.c (fileline_initialize): Likewise.
1073 * xcoff.c (fileline_initialize): Likewise.
1074 * configure.ac: Check for objcopy --add-gnu-debuglink.
1075 * Makefile.am (dtest): New test target.
1076 * configure, Makefile.in: Rebuild.
1078 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1081 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1082 * Makefile.in: Regenerate.
1084 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1087 * libbacktrace/Makefile.in
1088 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1090 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
1093 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1095 2017-07-28 Tony Reix <tony.reix@atos.net>
1097 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1099 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1101 * fileline.c (fileline_initialize): Print pid_t as long.
1103 2017-07-26 Tony Reix <tony.reix@atos.net>
1105 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
1106 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1107 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1108 * configure, config.h.in: Regenerate.
1110 2017-07-21 Tony Reix <tony.reix@atos.net>
1112 * filetype.awk: Add AIX XCOFF type detection.
1113 * configure.ac: Recognize xcoff format.
1114 * Makefile.am (FORMAT_FILES): Add xcoff.c.
1115 * fileline.c: Include <unistd.h>.
1116 (fileline_initialize): Add case for AIX procfs.
1117 * xcoff.c: New file.
1118 * configure, Makefile.in: Rebuild.
1120 2017-06-21 Richard Biener <rguenther@suse.de>
1122 * configure.ac: Add AC_SYS_LARGEFILE.
1123 * config.h.in: Regenerate.
1124 * configure: Likewise.
1126 2017-06-11 Ian Lance Taylor <iant@golang.org>
1128 * elf.c (backtrace_initialize): Always set *fileline_fn.
1129 * ttest.c: New file.
1130 * btest.c: Move support functions into testlib.c. Change calls to
1131 check to pass file name.
1132 * testlib.c: New file, copied from (part of) btest.c.
1133 * testlib.h: New file, declarations for testlib.c.
1134 * edtest.c: Use testlib.h and testlib.c.
1135 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1136 * Makefile.am (btest_SOURCES): Add testlib.c.
1137 (edtest_SOURCES): Likewise.
1138 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1139 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1140 * configure, Makefile.in: Rebuild.
1142 2017-05-19 Than McIntosh <thanm@google.com>
1144 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1145 (read_line_header): Don't allocate dirs if dirs_count == 0.
1146 * edtest.c: New file.
1147 * edtest2.c: New file.
1148 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1149 (check_PROGRAMS): Add edtest.
1150 (edtest2_build.c, gen_edtest2_build): New targets.
1151 * Makefile.in: Rebuild.
1153 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
1155 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1156 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1158 2017-01-01 Jakub Jelinek <jakub@redhat.com>
1160 Update copyright years.
1162 2016-11-15 Matthias Klose <doko@ubuntu.com>
1164 * configure: Regenerate.
1166 2016-09-11 Carlos Liam <carlos@aarzee.me>
1168 * all: Remove meaningless trailing whitespace.
1170 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
1173 * elf.c (phdr_callback) [__i386__]: Add
1174 __attribute__((__force_align_arg_pointer__)).
1176 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
1178 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1179 avoid possible crash.
1180 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1181 missing debug info anymore.
1183 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
1185 * mmap.c (MAP_FAILED): Define if not defined.
1187 2016-01-04 Jakub Jelinek <jakub@redhat.com>
1189 Update copyright years.
1191 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
1193 * configure.ac: Specify that DJGPP do not have mmap
1194 even when sys/mman.h exists.
1195 * configure: Regenerate
1197 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
1199 PR libgfortran/68115
1200 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1201 * configure: Regenerate.
1202 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1205 2015-09-17 Ian Lance Taylor <iant@google.com>
1207 * posix.c (backtrace_open): Cast second argument of open() to int.
1209 2015-09-11 Ian Lance Taylor <iant@google.com>
1211 * Makefile.am (backtrace.lo): Depend on internal.h.
1212 (sort.lo, stest.lo): Add explicit dependencies.
1213 * Makefile.in: Rebuild.
1215 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
1217 * backtrace.c: #include <sys/types.h>.
1219 2015-09-08 Ian Lance Taylor <iant@google.com>
1222 * backtrace.c: #include "internal.h".
1223 (struct backtrace_data): Add can_alloc field.
1224 (unwind): If can_alloc is false, don't try to get file/line
1226 (backtrace_full): Set can_alloc field in bdata.
1227 * alloc.c (backtrace_alloc): Don't call error_callback if it is
1229 * mmap.c (backtrace_alloc): Likewise.
1230 * internal.h: Update comments for backtrace_alloc and
1233 2015-09-08 Ian Lance Taylor <iant@google.com>
1236 * mmap.c (backtrace_alloc): Correct test for mmap failure.
1238 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1240 * configure.ac: For spu-*-* targets, set have_fcntl to no.
1241 * configure: Regenerate.
1243 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1245 * configure.ac: Remove [disable-shared] argument to LT_INIT.
1246 Remove setting PIC_FLAG when building as target library.
1247 * configure: Regenerate.
1249 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
1251 * configure.ac: Only compile with -fPIC if the target
1253 * configure: Regenerate.
1255 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1257 * configure.ac: Set have_mmap to no on spu-*-* targets.
1258 * configure: Regenerate.
1260 2015-08-13 Ian Lance Taylor <iant@google.com>
1262 * dwarf.c (read_function_entry): Add vec_inlined parameter.
1265 2015-06-11 Martin Sebor <msebor@redhat.com>
1268 * dwarf.c (struct line): Add new field idx.
1269 (line_compare): Use it.
1271 (read_line_info): Reset it.
1273 2015-05-29 Tristan Gingold <gingold@adacore.com>
1275 * pecoff.c: New file.
1276 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1277 * Makefile.in: Regenerate.
1278 * filetype.awk: Detect pecoff.
1279 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1281 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1283 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1284 * configure: Regenerate.
1285 * pecoff.c: New file.
1287 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
1289 * Makefile.in: Regenerated with automake-1.11.6.
1290 * aclocal.m4: Likewise.
1291 * configure: Likewise.
1293 2015-01-24 Matthias Klose <doko@ubuntu.com>
1295 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1296 * configure: Regenerate.
1298 2015-01-05 Jakub Jelinek <jakub@redhat.com>
1300 Update copyright years.
1302 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
1305 * configure: Regenerated.
1307 2014-11-11 David Malcolm <dmalcolm@redhat.com>
1309 * ChangeLog.jit: New.
1311 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1314 * configure: Regenerate.
1316 2014-10-23 Ian Lance Taylor <iant@google.com>
1318 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1319 Fix to return void *.
1321 2014-05-08 Ian Lance Taylor <iant@google.com>
1323 * mmap.c (backtrace_free): If freeing a large aligned block of
1324 memory, call munmap rather than holding onto it.
1325 (backtrace_vector_grow): When growing a vector, double the number
1326 of pages requested. When releasing the old version of a grown
1327 vector, pass the correct size to backtrace_free.
1329 2014-03-07 Ian Lance Taylor <iant@google.com>
1331 * sort.c (backtrace_qsort): Use middle element as pivot.
1333 2014-03-06 Ian Lance Taylor <iant@google.com>
1336 * stest.c: New file.
1337 * internal.h (backtrace_qsort): Declare.
1338 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1339 (read_line_info, read_function_entry): Likewise.
1340 (read_function_info, build_dwarf_data): Likewise.
1341 * elf.c (elf_initialize_syminfo): Likewise.
1342 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1343 (stest_SOURCES, stest_LDADD): Define.
1344 (check_PROGRAMS): Add stest.
1346 2014-02-07 Misty De Meo <misty@brew.sh>
1349 * configure.ac: Use AC_LINK_IFELSE in check for
1351 * configure: Regenerate.
1353 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1355 Update copyright years
1357 2013-12-06 Jakub Jelinek <jakub@redhat.com>
1359 * elf.c (ET_DYN): Undefine and define again.
1360 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1361 return early -1 without closing the descriptor.
1362 (struct phdr_data): Add exe_descriptor.
1363 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1364 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1365 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1367 (backtrace_initialize): Adjust call to elf_add. If it returns
1368 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1370 2013-12-05 Ian Lance Taylor <iant@google.com>
1372 * alloc.c (backtrace_vector_finish): Add error_callback and data
1373 parameters. Call backtrace_vector_release. Return address base.
1374 * mmap.c (backtrace_vector_finish): Add error_callback and data
1375 parameters. Return address base.
1376 * dwarf.c (read_function_info): Get new address base from
1377 backtrace_vector_finish.
1378 * internal.h (backtrace_vector_finish): Update declaration.
1380 2013-11-27 Ian Lance Taylor <iant@google.com>
1382 * dwarf.c (find_address_ranges): New static function, broken out
1383 of build_address_map.
1384 (build_address_map): Call it.
1385 * btest.c (check): Check for missing filename or function, rather
1387 (f3): Check that enough frames were returned.
1389 2013-11-19 Jakub Jelinek <jakub@redhat.com>
1391 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1392 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1394 * btest.c (struct symdata): Add size field.
1395 (callback_three): Add symsize argument. Copy it to the data->size
1397 (f23): Set symdata.size to 0.
1398 (test5): Likewise. If sizeof (int) > 1, lookup address of
1399 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1402 * atomic.c: Include sys/types.h.
1404 2013-11-18 Ian Lance Taylor <iant@google.com>
1406 * configure.ac: Check for support of __atomic extensions.
1407 * internal.h: Declare or #define atomic functions for use in
1409 * atomic.c: New file.
1410 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1411 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1412 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1413 (backtrace_initialize): Likewise.
1414 * fileline.c (fileline_initialize): Likewise.
1415 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1416 * configure, config.h.in, Makefile.in: Rebuild.
1418 2013-11-18 Jakub Jelinek <jakub@redhat.com>
1420 * elf.c (SHN_UNDEF): Define.
1421 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1422 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1423 (elf_add): Adjust caller.
1425 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1427 2013-11-16 Ian Lance Taylor <iant@google.com>
1429 * backtrace.h (backtrace_create_state): Correct comment about
1432 2013-11-15 Ian Lance Taylor <iant@google.com>
1434 * backtrace.h (backtrace_syminfo): Update comment and parameter
1435 name to take any address, not just a PC value.
1436 * elf.c (STT_OBJECT): Define.
1437 (elf_nosyms): Rename parameter pc to addr.
1438 (elf_symbol_search): Rename local variable pc to addr.
1439 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1440 (elf_syminfo): Rename parameter pc to addr.
1441 * btest.c (global): New global variable.
1445 2013-10-17 Ian Lance Taylor <iant@google.com>
1447 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1450 2013-10-15 David Malcolm <dmalcolm@redhat.com>
1452 * configure.ac: Add --enable-host-shared, setting up
1453 pre-existing PIC_FLAG variable within Makefile.am et al.
1454 * configure: Regenerate.
1456 2013-09-20 Alan Modra <amodra@gmail.com>
1458 * configure: Regenerate.
1460 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1462 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1464 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1466 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1467 dl_iterate_phdr callbacks.
1469 2013-03-25 Ian Lance Taylor <iant@google.com>
1471 * alloc.c: #include <sys/types.h>.
1474 2013-01-31 Ian Lance Taylor <iant@google.com>
1476 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1477 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1479 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1482 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1483 attribute was not seen.
1485 2013-01-16 Ian Lance Taylor <iant@google.com>
1487 * dwarf.c (struct unit): Add filename and abs_filename fields.
1488 (build_address_map): Set new fields when reading unit.
1489 (dwarf_lookup_pc): If we don't find an entry in the line table,
1490 just return the main file name.
1492 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1494 Update copyright years.
1496 2013-01-01 Ian Lance Taylor <iant@google.com>
1499 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1500 $(MULTIBUILDTOP)/../../gcc/include.
1501 * Makefile.in: Rebuild.
1503 2013-01-01 Ian Lance Taylor <iant@google.com>
1506 * mmap.c (backtrace_alloc): Don't call sync functions if not
1508 (backtrace_free): Likewise.
1510 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1512 * mmapio.c: Define MAP_FAILED if not defined.
1514 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1517 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1518 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1519 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1521 * Makefile.in: Regenerated.
1522 * configure: Regenerated.
1524 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1527 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1528 * Makefile.in: Regenerated.
1530 2012-11-20 Ian Lance Taylor <iant@google.com>
1532 * dwarf.c (read_attribute): Always clear val.
1534 2012-11-13 Ian Lance Taylor <iant@google.com>
1537 * configure.ac: Only add -Werror if building a target library.
1538 * configure: Rebuild.
1540 2012-11-12 Ian Lance Taylor <iant@google.com>
1541 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1542 Gerald Pfeifer <gerald@pfeifer.com>
1544 * configure.ac: Check for getexecname.
1545 * fileline.c: #include <errno.h>. Define getexecname if not
1547 (fileline_initialize): Try to find the executable in a few
1549 * print.c (error_callback): Only print the filename if it came
1550 from the backtrace state.
1551 * configure, config.h.in: Rebuild.
1553 2012-10-29 Ian Lance Taylor <iant@google.com>
1555 * mmap.c (backtrace_vector_release): Correct last patch: add
1558 2012-10-29 Ian Lance Taylor <iant@google.com>
1560 * mmap.c (backtrace_vector_release): Make sure freed block is
1561 aligned on 8-byte boundary.
1563 2012-10-26 Ian Lance Taylor <iant@google.com>
1566 * posix.c (backtrace_open): Add does_not_exist parameter.
1567 * elf.c (phdr_callback): Do not warn if shared library could not
1569 * fileline.c (fileline_initialize): Update calls to
1571 * internal.h (backtrace_open): Update declaration.
1573 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1576 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1577 * configure: Regenerate.
1579 2012-10-24 Ian Lance Taylor <iant@google.com>
1582 * configure.ac: Check whether -funwind-tables option works.
1583 * configure: Rebuild.
1585 2012-10-11 Ian Lance Taylor <iant@google.com>
1587 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1588 * configure: Rebuild.
1590 2012-10-10 Ian Lance Taylor <iant@google.com>
1592 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1595 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1597 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1599 2012-10-09 Ian Lance Taylor <iant@google.com>
1601 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1602 (backtrace_dwarf_add): Likewise.
1604 2012-10-09 Ian Lance Taylor <iant@google.com>
1606 Add support for tracing through shared libraries.
1607 * configure.ac: Check for link.h and dl_iterate_phdr.
1608 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1609 ELF macros before #defining them.
1610 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1612 (struct elf_syminfo_data): Add next field.
1613 (elf_initialize_syminfo): Initialize next field.
1614 (elf_add_syminfo_data): New static function.
1615 (elf_add): New static function, broken out of
1616 backtrace_initialize. Call backtrace_dwarf_add instead of
1617 backtrace_dwarf_initialize.
1618 (struct phdr_data): Define.
1619 (phdr_callback): New static function.
1620 (backtrace_initialize): Call elf_add.
1621 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1622 (add_unit_addr): Add base_address parameter. Change all callers.
1623 (add_unit_ranges, build_address_map): Likewise.
1624 (add_line): Add ddata parameter. Change all callers.
1625 (read_line_program, add_function_range): Likewise.
1626 (dwarf_lookup_pc): New static function, broken out of
1628 (dwarf_fileline): Call dwarf_lookup_pc.
1629 (build_dwarf_data): New static function.
1630 (backtrace_dwarf_add): New function.
1631 (backtrace_dwarf_initialize): Remove.
1632 * internal.h (backtrace_dwarf_initialize): Don't declare.
1633 (backtrace_dwarf_add): Declare.
1634 * configure, config.h.in: Rebuild.
1636 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1638 * btest.c (f23): Avoid uninitialized variable warning.
1640 2012-10-04 Ian Lance Taylor <iant@google.com>
1642 * dwarf.c: If the system header files do not declare strnlen,
1643 provide our own version.
1645 2012-10-03 Ian Lance Taylor <iant@google.com>
1647 * dwarf.c (read_uleb128): Fix overflow test.
1648 (read_sleb128): Likewise.
1649 (build_address_map): Don't change unit_buf.start.
1651 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
1654 * configure.ac (EXTRA_FLAGS): New.
1655 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1656 * configure, Makefile.in: Regenerate.
1658 2012-09-29 Ian Lance Taylor <iant@google.com>
1661 * fileline.c (fileline_initialize): Pass errnum as -1 when
1662 reporting that we could not read executable information after a
1665 2012-09-27 Ian Lance Taylor <iant@google.com>
1668 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1669 * Makefile.am: Add dependencies for all objects.
1670 * configure, aclocal.m4, Makefile.in: Rebuild.
1672 2012-09-27 Ian Lance Taylor <iant@google.com>
1675 * elf.c (backtrace_initialize): Set *fileln_fn, not
1678 2012-09-19 Ian Lance Taylor <iant@google.com>
1680 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1681 as a target library.
1682 * configure: Rebuild.
1684 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1685 Ian Lance Taylor <iant@google.com>
1687 * configure.ac (GCC_HEADER_STDINT): Invoke.
1688 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1689 * btest.c: Don't include <stdint.h>.
1690 * dwarf.c: Likewise.
1691 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1693 2012-09-18 Ian Lance Taylor <iant@google.com>
1696 * Makefile.am (AM_CPPFLAGS): Define.
1697 (AM_CFLAGS): Remove -I options.
1698 * Makefile.in: Rebuild.
1700 2012-09-18 Ian Lance Taylor <iant@google.com>
1702 * posix.c (O_BINARY): Define if not defined.
1703 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
1704 HAVE_FCNTL is defined.
1705 * configure.ac: Test for the fcntl function.
1706 * configure, config.h.in: Rebuild.
1708 2012-09-18 Ian Lance Taylor <iant@google.com>
1710 * btest.c (test1, test2, test3, test4): Add the unused attribute.
1712 2012-09-18 Ian Lance Taylor <iant@google.com>
1714 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1716 2012-09-18 Ian Lance Taylor <iant@google.com>
1718 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1719 * mmapio.c: Don't define _GNU_SOURCE.
1720 * configure, config.h.in: Rebuild.
1722 2012-09-18 Ian Lance Taylor <iant@google.com>
1724 * configure.ac: Check whether strnlen is declared.
1725 * dwarf.c: Declare strnlen if not declared.
1726 * configure, config.h.in: Rebuild.
1728 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1730 * fileline.c: Include <stdlib.h>.
1733 2012-09-17 Ian Lance Taylor <iant@google.com>
1736 * nounwind.c (backtrace_full): Rename from backtrace. Add state
1739 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
1742 * nounwind.c (backtrace_simple): Add state parameter.
1744 2012-09-17 Ian Lance Taylor <iant@google.com>
1747 * unknown.c (unknown_fileline): Add state parameter, remove
1748 fileline_data parameter, name error_callback parameter.
1749 (backtrace_initialize): Add state parameter.
1751 2012-09-17 Ian Lance Taylor <iant@google.com>
1753 * Initial implementation.
1755 Copyright (C) 2012-2021 Free Software Foundation, Inc.
1757 Copying and distribution of this file, with or without modification,
1758 are permitted in any medium without royalty provided the copyright
1759 notice and this notice are preserved.