1 2024-03-08 Ian Lance Taylor <iant@golang.org>
3 * elf.c (elf_uncompress_chdr): Don't assume compressed section is
6 2024-03-02 Ian Lance Taylor <iant@golang.org>
8 * Makefile.am (libbacktrace_testing_ldflags): Define.
9 (*_LDFLAGS): Add $(libbacktrace_testing_ldflags) for test
11 * Makefile.in: Regenerate
13 2024-03-02 Ian Lance Taylor <iant@golang.org>
15 * elf.c (elf_uncompress_lzma_block): Skip all header padding bytes
16 and verify that they are zero.
18 2024-03-02 Ian Lance Taylor <iant@golang.org>
20 PR libbacktrace/114201
21 * elf.c (elf_add): Add caller_opd parameter. Change all callers.
22 Release opd data after all recursive calls.
24 2024-03-01 Ian Lance Taylor <iant@golang.org>
26 * elf.c (elf_add): Add the symbol table from a debuginfo file.
27 * Makefile.am (MAKETESTS): Add buildidfull and gnudebuglinkfull
28 variants of buildid and gnudebuglink tests.
29 (%_gnudebuglinkfull, %_buildidfull): New patterns.
30 * Makefile.in: Regenerate.
32 2023-11-30 Ian Lance Taylor <iant@golang.org>
34 * pecoff.c: Include <windows.h> if available.
35 (coff_add): On Windows call GetModuleHandle to get base address.
37 2023-11-29 Ian Lance Taylor <iant@golang.org>
39 * fileline.c: Include <windows.h> if available.
40 (windows_get_executable_path): New static function.
41 (fileline_initialize): Call windows_get_executable_path.
42 * configure.ac: Checked for windows.h
43 * configure: Regenerate.
44 * config.h.in: Regenerate.
46 2023-10-22 Iain Sandoe <iain@sandoe.co.uk>
48 * configure: Regenerate.
49 * configure.ac: Handle Darwin rpaths.
51 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
53 * configure: Regenerate.
55 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
57 * configure: Regenerate.
59 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
61 * configure: Regenerate.
63 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
65 * configure: Regenerate.
67 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
69 * configure: Regenerate.
71 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
73 * configure: Regenerate.
75 2023-08-03 Richard Biener <rguenther@suse.de>
77 * zstdtest.c (test_samples): Properly compute the allocation
78 size for the uncompressed data.
80 2023-07-31 Ian Lance Taylor <iant@golang.org>
82 * configure.ac: Check for _pgmptr declaration.
83 * fileline.c (fileline_initialize): Check for _pgmfptr before
85 * configure, config.h.in: Regenerate.
87 2023-03-28 Ian Lance Taylor <iant@golang.org>
89 * elf.c (elf_zstd_read_fse): Call elf_fetch_bits after reading
90 bits, not before. Add unlikely for error case.
91 (elf_zstd_offset_table): Regenerate.
92 (elf_zstd_read_huff): Clear 13 entries in weight_mark, not 12.
93 (elf_zstd_read_literals): For a single stream adjust by
94 total_streams_size, not compressed_size.
96 2023-01-20 Ian Lance Taylor <iant@golang.org>
98 * dwarf.c (struct function_addrs): Change low and high fields to
100 (struct unit_addrs): Likewise.
101 (resolve_addr_index): Change address parameter to uintptr_t*.
102 (add_unit_addr): Change lowpc and highpc parameters to uintptr_t.
103 (add_function_range): Likewise.
104 (struct pcrange): Change lowpc and highpc fields to uintptr_t.
105 (add_low_high_range): Change add_range lowpc and highpc parameters
107 (add_ranges_from_ranges): Likewise.
108 (add_ranges_from_rnglists): Likewise.
109 (add_low_high_range): Chnage lowpc and highpc variables to
111 (add_ranges_from_rnglists): Change some local variables to
113 (add_ranges_from_ranges): Change base parameter to uintptr_t.
114 (add_ranges_from_rnglists): Likewise.
115 (read_function_entry): Likewise.
116 (resolve_addr_index): Add explicit casts to uintptr_t.
117 (update_pcrange): Likewise.
118 (add_ranges_from_ranges): Likewise.
119 (add_ranges_from_rnglists): Likewise.
120 (read_function_entry): Likewise.
122 2023-01-17 Martin Liska <mliska@suse.cz>
124 * Makefile.in: Regenerate.
126 2023-01-06 Ian Lance Taylor <iant@golang.org>
128 PR libbacktrace/108297
129 * configure.ac: Test whether linker supports --build-id.
130 * Makefile.am: Only run --build-id tests if supported.
131 * configure, Makefile.in: Regenerate.
133 2022-12-17 Ian Lance Taylor <iant@golang.org>
135 * elf.c (elf_fetch_backward_init): New static function.
136 (ZSTD_TABLE_SIZE): Use huffman scratch space size rather than
138 (ZSTD_TABLE_WORK_LIT_SIZE): Don't define.
139 (elf_zstd_read_huff): Use elf_fetch_backward_init.
140 (elf_zstd_read_literals): New static function.
141 (ZSTD_LIT_RAW, ZSTD_LIT_RLE, ZSTD_LIT_HUFF): Don't define.
142 (struct elf_zstd_literals): Don't define.
143 (elf_zstd_literal_output): Remove static function.
144 (elf_zstd_decompress): Use elf_fetch_backward_init and
145 elf_zstd_read_literals. Rewrite literal copying.<
147 2022-12-10 Ian Lance Taylor <iant@golang.org>
149 * elf.c (ZSTD_TABLE_*): Use elf_zstd_fse_baseline_entry.
150 (ZSTD_ENCODE_BASELINE_BITS): Define.
151 (ZSTD_DECODE_BASELINE, ZSTD_DECODE_BASEBITS): Define.
152 (elf_zstd_literal_length_base): New static const array.
153 (elf_zstd_match_length_base): Likewise.
154 (struct elf_zstd_fse_baseline_entry): Define.
155 (elf_zstd_make_literal_baseline_fse): New static function.
156 (elf_zstd_make_offset_baseline_fse): Likewise.
157 (elf_zstd_make_match_baseline_fse): Likewise.
158 (print_table, main): Use elf_zstd_fse_baseline_entry.
159 (elf_zstd_lit_table, elf_zstd_match_table): Likewise.
160 (elf_zstd_offset_table): Likewise.
161 (struct elf_zstd_seq_decode): Likewise. Remove use_rle and rle
163 (elf_zstd_unpack_seq_decode): Use elf_zstd_fse_baseline_entry,
164 taking a conversion function. Convert RLE to FSE.
165 (elf_zstd_literal_length_baseline): Remove.
166 (elf_zstd_literal_length_bits): Remove.
167 (elf_zstd_match_length_baseline): Remove.
168 (elf_zstd_match_length_bits): Remove.
169 (elf_zstd_decompress): Use elf_zstd_fse_baseline_entry. Rewrite
170 and simplify main loop.
172 2022-12-08 Ian Lance Taylor <iant@golang.org>
174 * configure.ac: Check for zstd library and
175 --compress-debug-sections=zstd linker option.
176 * Makefile.am (zstdtest_*): New targets.
177 (zstdtest_alloc_*, ctestzstd_*): New targets.
178 (BUILDTESTS): Add zstdtest, zstdtest_alloc, ctestzstd as
180 * elf.c (ELFCOMPRESS_ZSTD): Define.
181 (elf_fetch_bits): Rename from elf_zlib_fetch. Update uses.
182 (elf_fetch_bits_backward): New static function.
183 (ZLIB_HUFFMAN_*): Rename from HUFFMAN_*. Update uses.
184 (ZLIB_TABLE_*): Rename from ZDEBUG_TABLE_*. Update uses.
185 (ZSTD_TABLE_*): Define.
186 (struct elf_zstd_fse_entry): Define.
187 (elf_zstd_read_fse): New static function.
188 (elf_zstd_build_fse): Likewise.
189 (lit): Define if BACKTRACE_GENERATE_ZSTD_FSE_TABLES.
190 (match, offset, next, print_table, main): Likewise.
191 (elf_zstd_lit_table): New static const array.
192 (elf_zstd_match_table, elf_zstd_offset_table): Likewise.
193 (elf_zstd_read_huff): New static function.
194 (struct elf_zstd_seq_decode): Define.
195 (elf_zstd_unpack_seq_decode): New static function.
196 (ZSTD_LIT_*): Define.
197 (struct elf_zstd_literals): Define.
198 (elf_zstd_literal_output): New static function.
199 (ZSTD_LITERAL_LENGTH_BASELINE_OFFSET): Define.
200 (elf_zstd_literal_length_baseline): New static const array.
201 (elf_zstd_literal_length_bits): Likewise.
202 (ZSTD_MATCH_LENGTH_BASELINE_OFFSET): Define.
203 (elf_zstd_match_length_baseline): New static const array.
204 (elf_zstd_match_length_bits): Likewise.
205 (elf_zstd_decompress): New static function.
206 (ZDEBUG_TABLE_SIZE): New definition.
207 (elf_uncompress_chdr): Support ELF_COMPRESS_ZSTD.
208 (backtrace_uncompress_zstd): New function.
209 (elf_add): Use ZLIB_TABLE_SIZE for zlib-gnu sections.
210 * internal.h (backtrace_uncompress_zstd): Declare.
211 * zstdtest.c: New file.
212 * configure, config.h.in, Makefile.in: Regenerate.
214 2022-10-12 Martin Liska <mliska@suse.cz>
216 * configure: Regenerate.
218 2022-10-11 Olivier Hainque <hainque@adacore.com>
219 Olivier Hainque <hainque@adacore.com>
221 * configure: Regenerate.
223 2022-07-08 Ian Lance Taylor <iant@golang.org>
225 * configure.ac: Check for sys/link.h. Use either link.h or
226 sys/link.h when checking for dl_iterate_phdr.
227 * elf.c: Include sys/link.h if available.
228 * configure, config.h.in: Regenerate.
230 2022-07-07 Ian Lance Taylor <iant@golang.org>
232 * macho.c (backtrace_initialize) [HAVE_MACH_O_DYLD_H]: Don't exit
233 loop if we can't find debug info for one shared library.
235 2022-07-07 Ian Lance Taylor <iant@golang.org>
237 * Makefile.am (MAKETESTS): New variable split out of TESTS.
238 (CLEANFILES): Replace TESTS with BUILDTESTS and MAKETESTS.
239 * Makefile.in: Regenerate.
241 2022-06-27 Ian Lance Taylor <iant@golang.org>
243 * configure.ac: Use grep instead of fgrep.
244 * configure, Makefile.in: Regenerate.
246 2022-05-28 Ian Lance Taylor <iant@golang.org>
248 PR libbacktrace/105721
251 2022-04-05 Ian Lance Taylor <iant@golang.org>
253 * elf.c (elf_zlib_inflate): Don't skip initial aligned byte in
256 2022-02-17 Ian Lance Taylor <iant@golang.org>
258 * dwarf.c (find_address_ranges): Handle skeleton units.
259 (read_function_entry): Likewise.
261 2022-02-16 Ian Lance Taylor <iant@golang.org>
263 * dwarf.c (build_address_map): Initialize DWARF 5 fields of unit.
265 2022-02-03 David Seifert <soap@gentoo.org>
266 Jakub Jelinek <jakub@redhat.com>
268 * configure.ac: Support --disable-werror.
269 * configure: Regenerate.
271 2021-12-28 Francois-Xavier Coudert <fxcoudert@gmail.com>
273 PR libbacktrace/103822
274 * Makefile.am: Fix newline.
275 * Makefile.in: Regenerate.
277 2021-11-12 Martin Liska <mliska@suse.cz>
279 PR libbacktrace/103167
280 * elf.c (elf_uncompress_lzma_block): Cast to unsigned int.
281 (elf_uncompress_lzma): Likewise.
282 * xztest.c (test_samples): memcpy only if v > 0.
284 2021-10-22 Martin Liska <mliska@suse.cz>
287 * btest.c (MIN_DESCRIPTOR): New.
288 (MAX_DESCRIPTOR): Likewise.
289 (check_available_files): Likewise.
290 (check_open_files): Check only file descriptors that
291 were not available at the entry.
292 (main): Call check_available_files.
294 2021-08-13 Sergei Trofimovich <siarheit@google.com>
296 * install-debuginfo-for-buildid.sh.in: Force non-localized readelf
299 2021-06-28 Clément Chigot <clement.chigot@atos.net>
301 * xcoff.c (SSUBTYP_DWRNGES): New define.
302 (xcoff_add): Use correct XCOFF DWARF section subtype
303 for DEBUG_RANGES. Remove lineoff workaround.
305 (xcoff_initialize_syminfo): Adapt to new base_address.
306 (xcoff_lookup_pc): Likewise.
307 (xcoff_initialize_fileline): Likewise.
309 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
312 * configure: Regenerated.
314 2021-03-03 Ian Lance Taylor <iant@golang.org>
316 * dwarf.c (read_line_program): Don't special case file 0.
317 (read_function_entry): Likewise.
319 2021-03-02 Ian Lance Taylor <iant@golang.org>
321 PR libbacktrace/98818
322 * dwarf.c (dwarf_buf_error): Add errnum parameter. Change all
324 * backtrace.h: Update backtrace_error_callback comment.
326 2021-02-12 Ian Lance Taylor <iant@golang.org>
328 * configure.ac: Check for objcopy --add-gnu-debuglink by using
330 * configure: Regenerate
332 2021-01-18 Ian Lance Taylor <iant@golang.org>
334 * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
335 * Makefile.in: Regenerate.
336 * configure: Regenerate.
338 2021-01-18 Ian Lance Taylor <iant@golang.org>
341 * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
343 (read_line_program): Remove parameter u, change caller. Don't
344 subtract one from dirs and filenames index.
345 (read_function_entry): Don't subtract one from filenames index.
347 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
349 * configure: Re-generate.
351 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
354 * configure: Regenerate.
356 2020-12-02 Ian Lance Taylor <iant@golang.org>
358 * dwarf.c (resolve_string): Use > rather than >= to check whether
359 string index extends past buffer.
360 (resolve_addr_index): Similarly for address index.
362 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
364 * configure: Regenerate.
366 2020-10-20 Ian Lance Taylor <iant@golang.org>
368 * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
369 * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
371 2020-09-28 Ian Lance Taylor <iant@golang.org>
373 PR libbacktrace/97082
374 * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
375 * Makefile.in: Regenerate.
377 2020-09-28 Ian Lance Taylor <iant@golang.org>
379 PR libbacktrace/97227
380 * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
381 * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
382 * configure: Regenerate.
383 * Makefile.in: Regenerate.
385 2020-09-23 Ian Lance Taylor <iant@golang.org>
387 * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
389 (dwarf_lookup_pc): Likewise.
391 2020-09-17 Ian Lance Taylor <iant@golang.org>
393 PR libbacktrace/97080
394 * fileline.c (backtrace_syminfo_to_full_callback): New function.
395 (backtrace_syminfo_to_full_error_callback): New function.
396 * elf.c (elf_nodebug): Call syminfo_fn if possible.
397 * internal.h (struct backtrace_call_full): Define.
398 (backtrace_syminfo_to_full_callback): Declare.
399 (backtrace_syminfo_to_full_error_callback): Declare.
400 * mtest.c (f3): Only check all[i] if data.index permits.
402 2020-09-16 Iain Sandoe <iain@sandoe.co.uk>
404 * macho.c (MACH_O_CPU_TYPE_PPC): New.
405 (MACH_O_CPU_TYPE_PPC64): New.
406 Add compile-tests for powerpc to the Mach-O variants.
408 2020-09-14 Ian Lance Taylor <iant@golang.org>
410 PR libbacktrace/93608
411 Add support for MiniDebugInfo.
412 * elf.c (struct elf_view): Define. Replace most uses of
413 backtrace_view with elf_view.
414 (elf_get_view): New static functions. Replace most calls of
415 backtrace_get_view with elf_get_view.
416 (elf_release_view): New static functions. Replace most calls of
417 backtrace_release_view with elf_release_view.
418 (elf_uncompress_failed): Rename from elf_zlib_failed. Change all
420 (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
421 (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
422 (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
423 (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
424 (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
425 (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
426 (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
427 (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
428 (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
429 (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
430 (LZMA_PROB_DIST_ALIGN_LEN): Define.
431 (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
432 (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
433 (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
434 (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
435 (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
436 (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
437 (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
438 (LZMA_PROB_REP_LEN_LOW_LEN): Define.
439 (LZMA_PROB_REP_LEN_MID_LEN): Define.
440 (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
441 (LZMA_PROB_LITERAL_LEN): Define.
442 (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
443 (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
444 (LZMA_PROB_IS_REP2_OFFSET): Define.
445 (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
446 (LZMA_PROB_DIST_SLOT_OFFSET): Define.
447 (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
448 (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
449 (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
450 (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
451 (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
452 (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
453 (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
454 (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
455 (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
456 (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
457 (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
458 (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
459 (LZMA_PROB_LITERAL_OFFSET): Define.
460 (LZMA_PROB_TOTAL_COUNT): Define.
461 (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
462 (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
463 (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
464 (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
465 (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
466 (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
467 (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
468 (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
469 (elf_lzma_varint): New static function.
470 (elf_lzma_range_normalize): New static function.
471 (elf_lzma_bit, elf_lzma_integer): New static functions.
472 (elf_lzma_reverse_integer): New static function.
473 (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
474 (elf_uncompress_lzma): New static function.
475 (backtrace_uncompress_lzma): New function.
476 (elf_add): Add memory and memory_size parameters. Change all
477 callers. Look for .gnu_debugdata section, and, if found,
478 decompress it and use it for symbols and debug info. Permit the
479 descriptor parameter to be -1.
480 * internal.h (backtrace_uncompress_lzma): Declare.
482 * xztest.c: New file.
483 * configure.ac: Check for nm, xz, and comm programs. Check for
485 (HAVE_MINIDEBUG): Define.
486 * Makefile.am (mtest_SOURCES): Define.
487 (mtest_CFLAGS, mtest_LDADD): Define.
488 (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
489 (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
490 (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
491 (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
492 (xztest_alloc_LDADD): Define.
493 (BUILDTESTS): Add mtest, xztest, xztest_alloc.
494 (CLEANFILES): Add files created by minidebug pattern.
495 (btest.lo): Correct INCDIR reference.
496 (mtest.lo, xztest.lo, ztest.lo): New targets.
497 * configure: Regenerate.
498 * config.h.in: Regenerate.
499 * Makefile.in: Regenerate.
501 2020-09-09 Ian Lance Taylor <iant@golang.org>
503 * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
504 (coff_add): Determine and pass is_64.
506 2020-09-09 Ian Lance Taylor <iant@golang.org>
508 PR libbacktrace/96973
509 * fileline.c (macho_get_executable_path): New static function.
510 (fileline_initialize): Call macho_get_executable_path.
512 2020-09-09 Ian Lance Taylor <iant@golang.org>
514 * dwarf.c (function_addrs_search): Compare against the next entry
515 low address, not the high address.
516 (unit_addrs_search): Likewise.
517 (build_address_map): Add a trailing unit_addrs.
518 (read_function_entry): Add a trailing function_addrs.
519 (read_function_info): Likewise.
520 (report_inlined_functions): Search backward for function_addrs
522 (dwarf_lookup_pc): Search backward for unit_addrs and
523 function_addrs matches.
525 2020-09-08 Ian Lance Taylor <iant@golang.org>
527 * simple.c (simple_unwind): Correct comment spelling.
529 2020-09-08 Ian Lance Taylor <iant@golang.org>
531 * macho.c (macho_add_dsym): Make space for '/' in dsym. Use
532 correct length when freeing diralc.
534 2020-09-08 Ian Lance Taylor <iant@golang.org>
536 PR libbacktrace/96973
537 * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
539 2020-09-08 Ian Lance Taylor <iant@golang.org>
541 PR libbacktrace/96971
542 * filetype.awk: Only match magic number at start of line.
544 2020-08-24 Ian Lance Taylor <iant@golang.org>
546 * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
547 (MACH_O_MH_CIGAM_FAT_64): Define.
548 (struct macho_fat_arch_64): Define.
549 (macho_add_fat): Add and use is_64 parameter.
550 (macho_add): Recognize 64-bit fat files.
552 2020-07-30 H.J. Lu <hjl.tools@gmail.com>
555 * configure: Regenerated.
557 2020-07-08 Ian Lance Taylor <iant@golang.org>
559 * configure.ac: Test linker support for DWARF5
560 * configure: Regenerate
562 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
565 * configure: Regenerated.
567 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
570 * configure: Regenerated.
572 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
574 * configure: Regenerated.
576 2020-05-13 Ian Lance Taylor <iant@golang.org>
578 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
580 2020-05-13 Ian Lance Taylor <iant@golang.org>
583 * posix.c (backtrace_open): Treat EACCESS like ENOENT.
585 2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
587 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
588 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
589 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
591 * Makefile.in: Regenerated.
592 * configure: Likewise.
594 2020-05-11 Ian Lance Taylor <iant@golang.org>
596 PR libbacktrace/95012
597 * configure.ac: Check for getpagesize declaration.
598 * mmap.c: Declare getpagesize if necessary.
599 * mmapio.c: Likewise.
600 * configure: Regenerate.
601 * config.h.in: Regenerate.
602 * Makefile.in: Regenerate.
604 2020-05-09 Roland McGrath <mcgrathr@google.com>
606 * elf.c (elf_add): Bail early if there are no section headers at all.
608 2020-05-09 Ian Lance Taylor <iant@golang.org>
610 * elf.c (elf_add): Don't free strtab if an error occurs after
611 recording symbol information.
613 2020-05-09 Ian Lance Taylor <iant@golang.org>
615 PR libbacktrace/88745
617 * filetype.awk: Recognize Mach-O files.
618 * Makefile.am (FORMAT_FILES): Add macho.c.
619 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
620 (%.dSYM): New pattern target.
621 (test_macho_SOURCES, test_macho_CFLAGS): New targets.
622 (test_macho_LDADD): New target.
623 (BUILDTESTS): Add test_macho.
624 (macho.lo): Add dependencies.
625 * configure.ac: Recognize macho file type. Check for
626 mach-o/dyld.h. Don't try to run objcopy if we don't find it.
627 Look for dsymutil and define a HAVE_DSYMUTIL conditional.
628 * Makefile.in: Regenerate.
629 * configure: Regenerate.
630 * config.h.in: Regenerate.
632 2020-05-09 Ian Lance Taylor <iant@golang.org>
634 * read.c (backtrace_get_view): Support short read.
636 2020-05-09 Ian Lance Taylor <iant@golang.org>
638 * elf.c (elf_add): If debug sections are very large or far apart,
639 read them individually rather than as a single view.
641 2020-05-08 Ian Lance Taylor <iant@golang.org>
643 * fileline.c (sysctl_exec_name): New static function.
644 (sysctl_exec_name1): New macro or static function.
645 (sysctl_exec_name2): Likewise.
646 (fileline_initialize): Try sysctl_exec_name[12].
647 * configure.ac: Check for sysctl args to fetch executable name.
648 * configure: Regenerate.
649 * config.h.in: Regenerate.
651 2020-02-15 Ian Lance Taylor <iant@golang.org>
653 * ztest.c (test_large): Update file to current libgo test file.
655 2020-02-03 Ian Lance Taylor <iant@golang.org>
657 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
658 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
659 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
660 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
661 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
662 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
663 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
664 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
665 (stest_alloc_CFLAGS): Likewise.
666 * Makefile.in: Regenerate.
667 * ztest.c (error_callback_compress): Mark vdata unused.
668 (test_large): Add casts to avoid warnings.
670 2020-01-01 Jakub Jelinek <jakub@redhat.com>
672 Update copyright years.
674 2019-12-13 Ian Lance Taylor <iant@golang.org>
677 * dwarf.c (struct attr): Add val field.
678 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
679 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
680 (struct line_header): Add addrsize field.
681 (struct line_header_format): Define.
682 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
684 (read_uint24): New static function.
685 (read_attribute): Add implicit_val parameter. Replace dwarf_str
686 and dwarf_str_size parameters with dwarf_sections parameter. Add
687 support for new DWARF 5 forms. Change all callers.
688 (resolve_string): New static function.
689 (resolve_addr_index): Likewise.
690 (read_abbrevs): Support DW_FORM_implicit_const.
691 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
692 and ranges_is_index fields.
693 (update_pcrange): Support DWARF 5 encodings.
694 (add_high_low_range): New static function, split out of
696 (add_ranges_from_ranges): Likewise.
697 (add_ranges_from_rnglists): New static function.
698 (add_ranges): Just call new helper functions.
699 (find_address_ranges): Use resolve_string for strings, after
700 reading all attributes. Handle new DWARF 5 attributes.
701 (build_address_map): Support DWARF 5 compilation units.
702 (read_v2_paths): New static function, split out of
704 (read_lnct): New static function.
705 (read_line_header_format_entries): Likewise.
706 (read_line_header): Add ddata parameter. Support DWARF 5 line
707 headers. Call new helper functions. Change all callers.
708 (read_line_program): Use addrsize from line program header. Don't
709 special case directory index 0 for DWARF 5.
710 (read_referenced_name): Use resolve_string.
711 (read_function_entry): Handle DWARF 5 encodings. Use
713 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
714 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
715 * elf.c (dwarf_section_names): Add new section names.
716 * pecoff.c (dwarf_section_names): Likewise.
717 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
719 * configure.ac: Define HAVE_DWARF5 automake conditional.
720 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
721 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
722 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
723 (dwarf5_alloc_LDADD): Likewise.
724 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
725 (CLEANFILES, clean-local): Define.
727 2019-12-08 Ian Lance Taylor <iant@golang.org>
729 * dwarf.c (struct pcrange): Define.
730 (update_pcrange, add_ranges): New static functions.
731 (add_unit_addr): Change signature to work with add_ranges. Don't
732 add base_address here.
733 (add_unit_ranges): Remove.
734 (find_address_ranges): Replace str/ranges parameters with
735 dwarf_sections. Use update_pcrange and add_ranges. Change all
737 (add_function_range): Change signature to work with add_ranges.
738 Don't add base_address here.
739 (add_function_ranges): Remove.
740 (read_function_entry): Use update_pcrange and add_ranges.
742 2019-12-04 Ian Lance Taylor <iant@golang.org>
744 * edtest.c (test1): Add noclone attribute.
746 2019-12-04 Ian Lance Taylor <iant@golang.org>
748 * internal.h (enum dwarf_section): Define.
749 (struct dwarf_sections): Define.
750 (backtrace_dwarf_add): Update declaration to replace specific
751 section parameters with dwarf_sections parameter.
752 * dwarf.c (struct dwarf_data): Replace specific section fields
753 with dwarf_sections field.
754 (read_attribute): Use dwarf_sections with altlink.
755 (build_address_map): Replace specific section parameters with
756 dwarf_sections parameter. Change all callers.
757 (read_line_info): Use dwarf_sections with ddata.
758 (read_referenced_name): Likewise.
759 (add_function_ranges): Likewise.
760 (read_function_entry): Likewise.
761 (read_function_info): Likewise.
762 (build_dwarf_data): Replace specific section parameters with
763 dwarf_sections parameter. Change all callers.
764 (backtrace_dwarf_add): Likewise.
765 * elf.c (enum debug_section): Remove.
766 (dwarf_section_names): Remove .zdebug names.
767 (elf_add): Track zsections separately. Build dwarf_sections.
768 * pecoff.c (enum debug_section): Remove.
769 (struct debug_section_info): Remove data field.
770 (coff_add): Build dwarf_sections.
771 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
772 references with DEBUG_xxx references.
773 (xcoff_add): Build dwarf_sections.
775 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
777 * configure: Regenerate.
779 2019-09-26 Ian Lance Taylor <iant@golang.org>
781 PR libbacktrace/91908
782 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
783 __sync_bool_compare_and_swap to void.
784 * xcoff.c (backtrace_initialize): Likewise.
786 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
788 * configure.ac: Remove references to spu.
789 * configure: Regenerate.
791 2019-05-24 Clement Chigot <clement.chigot@atos.net>
793 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
795 * Makefile.in: Regenerate.
797 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
799 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
801 * configure: Regenerate.
803 2019-03-11 Ian Lance Taylor <iant@golang.org>
805 PR libbacktrace/89669
806 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
808 * Makefile.in: Regenerate.
810 2019-02-26 Tom de Vries <tdevries@suse.de>
812 * btest.c (test5): Allow global.* as minimal symbol name for global.
814 2019-02-26 Tom de Vries <tdevries@suse.de>
816 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
817 * Makefile.in: Regenerate.
819 2019-02-12 Tom de Vries <tdevries@suse.de>
821 PR libbacktrace/81983
822 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
824 2019-02-10 Tom de Vries <tdevries@suse.de>
826 * Makefile.am (BUILDTESTS): Add btest_lto.
827 * Makefile.in: Regenerate.
828 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
829 __attribute__((noclone)).
831 2019-02-08 Tom de Vries <tdevries@suse.de>
833 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
834 * print.c (backtrace_print): Same.
835 * simple.c (backtrace_simple): Same.
837 2019-02-08 Tom de Vries <tdevries@suse.de>
839 PR libbacktrace/78063
840 * dwarf.c (build_address_map): Keep all parsed units.
841 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
843 2019-01-31 Tom de Vries <tdevries@suse.de>
845 PR libbacktrace/89136
846 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
847 'debugaltlink_name_len =+ 1'.
849 2019-01-29 Tom de Vries <tdevries@suse.de>
851 * install-debuginfo-for-buildid.sh.in: New script.
852 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
853 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
854 * Makefile.in: Regenerate.
855 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
856 (READELF): Set with AC_CHECK_PROG.
857 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
858 * configure: Regenerate.
859 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
860 (elf_open_debugfile_by_buildid): ... here.
862 2019-01-29 Tom de Vries <tdevries@suse.de>
864 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
866 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
867 (check_PROGRAMS): Add BUILDTESTS.
868 * Makefile.in: Regenerate.
870 2019-01-28 Tom de Vries <tdevries@suse.de>
872 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
873 Use $< to access prerequisite.
874 * Makefile.in: Regenerate.
876 2019-01-25 Nathan Sidwell <nathan@acm.org>
878 * elf.c (elf_add): Pass "" filename to recursive call with
881 2019-01-25 Tom de Vries <tdevries@suse.de>
883 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
885 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
886 * Makefile.in: Regenerate.
888 2019-01-25 Tom de Vries <tdevries@suse.de>
890 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
891 (TESTS): Rename dtest to btest_gnudebuglink.
892 * Makefile.in: Regenerate.
894 2019-01-23 Tom de Vries <tdevries@suse.de>
896 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
897 (units_search, find_unit): Use size_t for offset.
898 (build_address_map): Use size_t for unit_offset.
900 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
902 * allocfail.c (main): Increase portability of printf statement.
904 2019-01-18 Ian Lance Taylor <iant@golang.org>
906 PR libbacktrace/88890
907 * mmapio.c (backtrace_get_view): Change size parameter to
908 uint64_t. Check that value fits in size_t.
909 * read.c (backtrace_get_view): Likewise.
910 * internal.h (backtrace_get_view): Update declaration.
911 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
913 2019-01-17 Tom de Vries <tdevries@suse.de>
915 PR libbacktrace/82857
916 * configure.ac (DWZ): Set with AC_CHECK_PROG.
917 (HAVE_DWZ): Set with AM_CONDITIONAL.
918 * configure: Regenerate.
919 * Makefile.am (TESTS): Add btest_dwz.
920 * Makefile.in: Regenerate.
922 2019-01-17 Tom de Vries <tdevries@suse.de>
924 PR libbacktrace/82857
925 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
926 (read_attribute): Handle DW_FORM_GNU_ref_alt using
927 ATTR_VAL_REF_ALT_INFO.
928 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
930 2019-01-17 Tom de Vries <tdevries@suse.de>
932 * dwarf.c (struct unit): Add low_offset and high_offset fields.
933 (struct unit_vector): New type.
934 (struct dwarf_data): Add units and units_counts fields.
935 (find_unit): New function.
936 (find_address_ranges): Add and handle unit_tag parameter.
937 (build_address_map): Add and handle units_vec parameter.
938 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
941 2019-01-17 Tom de Vries <tdevries@suse.de>
943 PR libbacktrace/82857
944 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
947 2019-01-17 Tom de Vries <tdevries@suse.de>
949 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
950 (read_attribute): Add altlink parameter. Handle missing altlink for
951 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
952 (find_address_ranges, build_address_map, build_dwarf_data): Add and
953 handle altlink parameter.
954 (read_referenced_name, read_function_entry): Add argument to
957 2019-01-17 Tom de Vries <tdevries@suse.de>
959 * dwarf.c (struct dwarf_data): Add altlink field.
960 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
961 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
962 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
963 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
964 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
965 * xcoff.c (xcoff_add): Same.
967 2019-01-17 Tom de Vries <tdevries@suse.de>
969 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
970 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
971 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
972 argument to backtrace_dwarf_add call.
973 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
974 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
975 * xcoff.c (xcoff_add): Same.
977 2019-01-17 Tom de Vries <tdevries@suse.de>
979 * elf.c (elf_add): Add and handle with_buildid_data and
980 with_buildid_size parameters. Handle .gnu_debugaltlink section.
981 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
983 2019-01-16 Tom de Vries <tdevries@suse.de>
985 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
987 (read_referenced_name): ... here, and ...
988 (read_function_entry): ... here.
990 2019-01-16 Tom de Vries <tdevries@suse.de>
992 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
994 (read_function_entry): Same. Don't allow name found via
995 DW_AT_abstract_origin or case DW_AT_specification to override linkage
998 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1002 * backtrace.h: Mechanically replace "can not" with "cannot".
1004 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1006 Update copyright years.
1008 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
1010 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
1012 * Makefile.in: Regenerate.
1014 2018-12-28 Tom de Vries <tdevries@suse.de>
1016 * dwarf.c (build_address_map): Reuse unused units.
1018 2018-12-28 Tom de Vries <tdevries@suse.de>
1020 * dwarf.c (build_address_map): Simplify by removing local variable
1023 2018-12-28 Ian Lance Taylor <iant@golang.org>
1024 Tom de Vries <tdevries@suse.de>
1026 PR libbacktrace/88063
1027 * dwarf.c (free_unit_addrs_vector): Remove.
1028 (build_address_map): Keep track of allocated units in vector. Free
1029 allocated units and corresponding abbrevs upon failure. Remove now
1030 redundant call to free_unit_addrs_vector. Free addrs vector upon
1031 failure. Free allocated unit vector.
1033 2018-12-28 Tom de Vries <tdevries@suse.de>
1035 * dwarf.c (build_address_map): Free addrs vector upon failure.
1037 2018-12-14 Tom de Vries <tdevries@suse.de>
1040 * allocfail.sh: Remove "set -o pipefail".
1042 2018-12-12 Tom de Vries <tdevries@suse.de>
1044 * Makefile.am (TESTS): Add allocfail.sh.
1045 (check_PROGRAMS): Add allocfail.
1046 * Makefile.in: Regenerate.
1047 * instrumented_alloc.c: New file. Redefine malloc and realloc.
1049 * allocfail.c: New file.
1050 * allocfail.sh: New file.
1052 2018-11-30 Tom de Vries <tdevries@suse.de>
1054 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
1055 test_xcoff_64, test_pecoff and test_unknown.
1056 * Makefile.in: Regenerate.
1057 * test_format.c: New file.
1059 2018-11-30 Tom de Vries <tdevries@suse.de>
1061 * Makefile.am : Add _with_alloc version for each test in
1063 * Makefile.in: Regenerate.
1065 2018-11-30 Tom de Vries <tdevries@suse.de>
1067 * internal.h (backtrace_vector_free): New static inline fuction,
1069 * dwarf.c (read_line_info): ... here.
1071 2018-11-28 Tom de Vries <tdevries@suse.de>
1073 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
1076 2018-11-27 Tom de Vries <tdevries@suse.de>
1078 * mmap.c (backtrace_vector_release): Same.
1079 * unittest.c (test1): Add check.
1081 2018-11-27 Tom de Vries <tdevries@suse.de>
1083 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
1085 * Makefile.am (check_PROGRAMS): Add unittest.
1086 * Makefile.in: Regenerate.
1087 * unittest.c: New file.
1089 2018-11-22 Tom de Vries <tdevries@suse.de>
1091 * dwarf.c (read_initial_length): Factor out of ...
1092 (build_address_map, read_line_info): ... here.
1094 2018-11-21 Tom de Vries <tdevries@suse.de>
1096 * dwarf.c (read_string): Factor out of ...
1097 (read_attribute, read_line_header, read_line_program): ... here.
1099 2018-10-31 Joseph Myers <joseph@codesourcery.com>
1102 * Makefile.am: Include multilib.am.
1103 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
1104 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
1106 2018-10-05 Ian Lance Taylor <iant@golang.org>
1108 PR libbacktrace/87529
1109 * backtrace.h: Document that backtrace_create_state should be
1112 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
1114 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
1115 * Makefile.in: Regenerate.
1116 * config.h.in: Likewise.
1117 * configure: Likewise.
1119 2018-08-01 Tony Reix <tony.reix@atos.net>
1121 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
1122 (struct xcoff_func, struct xcoff_func_vector): New structs.
1123 (xcoff_syminfo): Drop leading dot from symbol name.
1124 (xcoff_line_compare, xcoff_line_search): Remove.
1125 (xcoff_func_compare, xcoff_func_search): New static functions.
1126 (xcoff_lookup_pc): Search function table.
1127 (xcoff_add_line, xcoff_process_linenos): Remove.
1128 (xcoff_initialize_fileline): Build function table.
1130 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
1133 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
1134 checking up to 36 bytes.
1136 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
1138 * configure: Regenerated.
1140 2018-04-19 Jakub Jelinek <jakub@redhat.com>
1142 * configure: Regenerated.
1144 2018-04-17 Ian Lance Taylor <iant@golang.org>
1146 * backtrace.c: Revert last two changes. Don't call mmap
1149 2018-04-17 Ian Lance Taylor <iant@golang.org>
1151 * backtrace.c: Include backtrace-supported.h before checking
1152 BACKTRACE_USES_MALLOC.
1154 2018-04-17 Ian Lance Taylor <iant@golang.org>
1156 * backtrace.c (backtrace_full): When testing whether we can
1157 allocate memory, call mmap directly, and munmap the memory.
1159 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1162 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
1163 big endian, only use 32-bit loads if endianity macros are predefined
1164 and indicate big or little endian.
1166 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
1169 * configure: Regenerate.
1171 2018-02-15 Jakub Jelinek <jakub@redhat.com>
1174 * elf.c (SHT_PROGBITS): Undefine and define.
1176 2018-02-14 Jakub Jelinek <jakub@redhat.com>
1179 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
1180 (struct elf_ppc64_opd_data): New type.
1181 (elf_initialize_syminfo): Add opd argument, handle symbols
1182 pointing into the PowerPC64 ELFv1 .opd section.
1183 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
1184 to structure with .opd data to elf_initialize_syminfo.
1186 2018-01-31 Ian Lance Taylor <iant@golang.org>
1188 * elf.c (elf_add): Close descriptor if we use a debugfile.
1189 * btest.c (check_open_files): New static function.
1190 (main): Call check_open_files.
1192 2018-01-25 Ian Lance Taylor <iant@golang.org>
1194 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
1195 desired CRC is zero.
1196 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
1198 2018-01-25 Ian Lance Taylor <iant@golang.org>
1200 * pecoff.c (coff_add): Only release syms_view if it is valid.
1202 2018-01-25 Ian Lance Taylor <iant@golang.org>
1204 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
1206 2018-01-24 Ian Lance Taylor <iant@golang.org>
1208 * pecoff.c (coff_add): Use coff_read4, not memcpy.
1210 2018-01-24 Ian Lance Taylor <iant@golang.org>
1213 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
1216 2018-01-19 Tony Reix <tony.reix@atos.net>
1218 * xcoff.c (xcoff_incl_compare): New function.
1219 (xcoff_incl_search): New function.
1220 (xcoff_process_linenos): Use bsearch to find include file.
1221 (xcoff_initialize_fileline): Sort include file information.
1223 2018-01-16 Ian Lance Taylor <iant@golang.org>
1225 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
1227 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
1228 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
1229 (elf_zlib_default_table): Update.
1230 (elf_zlib_default_dist_table): New static array.
1231 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
1233 * ztest.c (struct zlib_test): Add uncompressed_len.
1234 (tests): Initialize uncompressed_len field. Add new test case.
1235 (test_samples): Use uncompressed_len field.
1237 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1239 Update copyright years.
1241 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
1243 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
1244 * aclocal.m4: Regenerate.
1245 * Makefile.in: Likewise.
1246 * configure: Likewise.
1248 2017-10-06 Ian Lance Taylor <iant@golang.org>
1250 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
1251 zlib uncompress function.
1253 2017-10-05 Ian Lance Taylor <iant@golang.org>
1255 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
1256 Read a four byte integer.
1257 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
1258 boundary before ever calling elf_zlib_fetch.
1259 * ztest.c (test_large): Simplify print statements a bit.
1261 2017-10-02 Ian Lance Taylor <iant@golang.org>
1263 * ztest.c: #include <errno.h>.
1264 (TEST_TIMING): Don't define, don't test.
1265 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
1266 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
1267 (ZLIB_CLOCK_GETTIME_ARG): Define.
1268 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
1269 * Makefile.am: Likewise.
1270 * configure, Makefile.in: Rebuild.
1272 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
1275 * Makefile.am: Append the content of clock_gettime_link to
1277 * configure.ac: Test for the case that clock_gettime is in librt.
1278 * Makefile.in: Regenerate.
1279 * configure: Likewise.
1282 * configure.ac: Check for clock_gettime.
1283 * config.h.in: Regenerate.
1284 * configure: Likewise.
1285 * ztest.c (average_time, test_large): Conditionalize test timing
1286 on clock_gettime availability.
1288 2017-09-29 Tony Reix <tony.reix@atos.net>
1290 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
1291 (STYP_DWARF, SSUBTYP_DW*): Define.
1292 (enum dwarf_section): Define.
1293 (struct dwsect_info): Define.
1294 (xcoff_add): Look for DWARF sections, pass them to
1295 backtrace_dwarf_add.
1297 2017-09-28 Ian Lance Taylor <iant@golang.org>
1300 * elf.c (__builtin_prefetch): Define if not __GNUC__.
1302 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
1303 (b_elf_chdr): Define type.
1304 (enum debug_section): Add ZDEBUG_xxx values.
1305 (debug_section_names): Add names for new sections.
1306 (struct debug_section_info): Add compressed field.
1307 (elf_zlib_failed, elf_zlib_fetch): New static functions.
1308 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
1309 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
1310 (HUFFMAN_SECONDARY_SHIFT): Define.
1311 (ZDEBUG_TABLE_SIZE): Define.
1312 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1313 (final_next_secondary): New static variable if
1314 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1315 (elf_zlib_inflate_table): New static function.
1316 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1317 function to produce fixed Huffman table.
1318 (elf_zlib_default_table): New static variable.
1319 (elf_zlib_inflate): New static function.
1320 (elf_zlib_verify_checksum): Likewise.
1321 (elf_zlib_inflate_and_verify): Likewise.
1322 (elf_uncompress_zdebug): Likewise.
1323 (elf_uncompress_chdr): Likewise.
1324 (backtrace_uncompress_zdebug): New extern function.
1325 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1326 sections, and uncompress them.
1327 * internal.h (backtrace_compress_zdebug): Declare.
1328 * ztest.c: New file.
1329 * configure.ac: Check for -lz and check whether the linker
1330 supports --compress-debug-sections.
1331 * Makefile.am (ztest_SOURCES): New variable.
1332 (ztest_CFLAGS, ztest_LDADD): New variables.
1333 (check_PROGRAMS): Add ztest.
1334 (ctestg_SOURCES): New variable.
1335 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1336 (ctesta_SOURCES): New variable.
1337 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1338 (check_PROGRAMS): Add ctestg and ctesta.
1339 * configure, config.h.in, Makefile.in: Rebuild.
1341 2017-09-22 Ian Lance Taylor <iant@golang.org>
1344 * configure.ac: Check for lstat and readlink.
1345 * elf.c (lstat, readlink): Provide dummy versions if real versions
1347 * configure, config.h.in: Rebuild.
1349 2017-09-21 Ian Lance Taylor <iant@google.com>
1352 * elf.c (backtrace_initialize): Set pd.exe_filename.
1354 2017-09-20 Ian Lance Taylor <iant@golang.org>
1355 Denis Khalikov <d.khalikov@partner.samsung.com>
1358 Support for external debug info.
1359 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1360 (S_ISLNK): Define if not defined.
1361 (xstrnlen): Define if strnlen is not available.
1362 (b_elf_note): Define type.
1363 (NT_GNU_BUILD_ID): Define macro.
1364 (elf_crc32, elf_crc32_file): New static functions.
1365 (elf_is_symlink, elf_readlink): New static functions.
1366 (elf_open_debugfile_by_buildid): New static function.
1367 (elf_try_debugfile): New static function.
1368 (elf_find_debugfile_by_debuglink): New static function.
1369 (elf_open_debugfile_by_debuglink): New static function.
1370 (elf_add): Add filename and debuginfo parameters. Adjust all
1371 callers. Look for external debug info notes, and try to fetch
1372 debug info from external file.
1373 (struct phdr_data): Add exe_filename field.
1374 (phdr_callback): Pass filename to elf_add.
1375 (backtrace_initialize): Add filename parameter.
1376 * internal.h (backtrace_initialize): Add filename parameter.
1377 * fileline.c (fileline_initialize): Pass filename to
1378 backtrace_initialize.
1379 * pecoff.c (fileline_initialize): Add unused filename parameter.
1380 * unknown.c (fileline_initialize): Likewise.
1381 * xcoff.c (fileline_initialize): Likewise.
1382 * configure.ac: Check for objcopy --add-gnu-debuglink.
1383 * Makefile.am (dtest): New test target.
1384 * configure, Makefile.in: Rebuild.
1386 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1389 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1390 * Makefile.in: Regenerate.
1392 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1395 * libbacktrace/Makefile.in
1396 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1398 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
1401 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1403 2017-07-28 Tony Reix <tony.reix@atos.net>
1405 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1407 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1409 * fileline.c (fileline_initialize): Print pid_t as long.
1411 2017-07-26 Tony Reix <tony.reix@atos.net>
1413 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
1414 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1415 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1416 * configure, config.h.in: Regenerate.
1418 2017-07-21 Tony Reix <tony.reix@atos.net>
1420 * filetype.awk: Add AIX XCOFF type detection.
1421 * configure.ac: Recognize xcoff format.
1422 * Makefile.am (FORMAT_FILES): Add xcoff.c.
1423 * fileline.c: Include <unistd.h>.
1424 (fileline_initialize): Add case for AIX procfs.
1425 * xcoff.c: New file.
1426 * configure, Makefile.in: Rebuild.
1428 2017-06-21 Richard Biener <rguenther@suse.de>
1430 * configure.ac: Add AC_SYS_LARGEFILE.
1431 * config.h.in: Regenerate.
1432 * configure: Likewise.
1434 2017-06-11 Ian Lance Taylor <iant@golang.org>
1436 * elf.c (backtrace_initialize): Always set *fileline_fn.
1437 * ttest.c: New file.
1438 * btest.c: Move support functions into testlib.c. Change calls to
1439 check to pass file name.
1440 * testlib.c: New file, copied from (part of) btest.c.
1441 * testlib.h: New file, declarations for testlib.c.
1442 * edtest.c: Use testlib.h and testlib.c.
1443 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1444 * Makefile.am (btest_SOURCES): Add testlib.c.
1445 (edtest_SOURCES): Likewise.
1446 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1447 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1448 * configure, Makefile.in: Rebuild.
1450 2017-05-19 Than McIntosh <thanm@google.com>
1452 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1453 (read_line_header): Don't allocate dirs if dirs_count == 0.
1454 * edtest.c: New file.
1455 * edtest2.c: New file.
1456 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1457 (check_PROGRAMS): Add edtest.
1458 (edtest2_build.c, gen_edtest2_build): New targets.
1459 * Makefile.in: Rebuild.
1461 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
1463 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1464 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1466 2017-01-01 Jakub Jelinek <jakub@redhat.com>
1468 Update copyright years.
1470 2016-11-15 Matthias Klose <doko@ubuntu.com>
1472 * configure: Regenerate.
1474 2016-09-11 Carlos Liam <carlos@aarzee.me>
1476 * all: Remove meaningless trailing whitespace.
1478 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
1481 * elf.c (phdr_callback) [__i386__]: Add
1482 __attribute__((__force_align_arg_pointer__)).
1484 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
1486 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1487 avoid possible crash.
1488 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1489 missing debug info anymore.
1491 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
1493 * mmap.c (MAP_FAILED): Define if not defined.
1495 2016-01-04 Jakub Jelinek <jakub@redhat.com>
1497 Update copyright years.
1499 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
1501 * configure.ac: Specify that DJGPP do not have mmap
1502 even when sys/mman.h exists.
1503 * configure: Regenerate
1505 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
1507 PR libgfortran/68115
1508 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1509 * configure: Regenerate.
1510 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1513 2015-09-17 Ian Lance Taylor <iant@google.com>
1515 * posix.c (backtrace_open): Cast second argument of open() to int.
1517 2015-09-11 Ian Lance Taylor <iant@google.com>
1519 * Makefile.am (backtrace.lo): Depend on internal.h.
1520 (sort.lo, stest.lo): Add explicit dependencies.
1521 * Makefile.in: Rebuild.
1523 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
1525 * backtrace.c: #include <sys/types.h>.
1527 2015-09-08 Ian Lance Taylor <iant@google.com>
1530 * backtrace.c: #include "internal.h".
1531 (struct backtrace_data): Add can_alloc field.
1532 (unwind): If can_alloc is false, don't try to get file/line
1534 (backtrace_full): Set can_alloc field in bdata.
1535 * alloc.c (backtrace_alloc): Don't call error_callback if it is
1537 * mmap.c (backtrace_alloc): Likewise.
1538 * internal.h: Update comments for backtrace_alloc and
1541 2015-09-08 Ian Lance Taylor <iant@google.com>
1544 * mmap.c (backtrace_alloc): Correct test for mmap failure.
1546 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1548 * configure.ac: For spu-*-* targets, set have_fcntl to no.
1549 * configure: Regenerate.
1551 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1553 * configure.ac: Remove [disable-shared] argument to LT_INIT.
1554 Remove setting PIC_FLAG when building as target library.
1555 * configure: Regenerate.
1557 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
1559 * configure.ac: Only compile with -fPIC if the target
1561 * configure: Regenerate.
1563 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1565 * configure.ac: Set have_mmap to no on spu-*-* targets.
1566 * configure: Regenerate.
1568 2015-08-13 Ian Lance Taylor <iant@google.com>
1570 * dwarf.c (read_function_entry): Add vec_inlined parameter.
1573 2015-06-11 Martin Sebor <msebor@redhat.com>
1576 * dwarf.c (struct line): Add new field idx.
1577 (line_compare): Use it.
1579 (read_line_info): Reset it.
1581 2015-05-29 Tristan Gingold <gingold@adacore.com>
1583 * pecoff.c: New file.
1584 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1585 * Makefile.in: Regenerate.
1586 * filetype.awk: Detect pecoff.
1587 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1589 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1591 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1592 * configure: Regenerate.
1593 * pecoff.c: New file.
1595 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
1597 * Makefile.in: Regenerated with automake-1.11.6.
1598 * aclocal.m4: Likewise.
1599 * configure: Likewise.
1601 2015-01-24 Matthias Klose <doko@ubuntu.com>
1603 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1604 * configure: Regenerate.
1606 2015-01-05 Jakub Jelinek <jakub@redhat.com>
1608 Update copyright years.
1610 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
1613 * configure: Regenerated.
1615 2014-11-11 David Malcolm <dmalcolm@redhat.com>
1617 * ChangeLog.jit: New.
1619 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1622 * configure: Regenerate.
1624 2014-10-23 Ian Lance Taylor <iant@google.com>
1626 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1627 Fix to return void *.
1629 2014-05-08 Ian Lance Taylor <iant@google.com>
1631 * mmap.c (backtrace_free): If freeing a large aligned block of
1632 memory, call munmap rather than holding onto it.
1633 (backtrace_vector_grow): When growing a vector, double the number
1634 of pages requested. When releasing the old version of a grown
1635 vector, pass the correct size to backtrace_free.
1637 2014-03-07 Ian Lance Taylor <iant@google.com>
1639 * sort.c (backtrace_qsort): Use middle element as pivot.
1641 2014-03-06 Ian Lance Taylor <iant@google.com>
1644 * stest.c: New file.
1645 * internal.h (backtrace_qsort): Declare.
1646 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1647 (read_line_info, read_function_entry): Likewise.
1648 (read_function_info, build_dwarf_data): Likewise.
1649 * elf.c (elf_initialize_syminfo): Likewise.
1650 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1651 (stest_SOURCES, stest_LDADD): Define.
1652 (check_PROGRAMS): Add stest.
1654 2014-02-07 Misty De Meo <misty@brew.sh>
1657 * configure.ac: Use AC_LINK_IFELSE in check for
1659 * configure: Regenerate.
1661 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1663 Update copyright years
1665 2013-12-06 Jakub Jelinek <jakub@redhat.com>
1667 * elf.c (ET_DYN): Undefine and define again.
1668 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1669 return early -1 without closing the descriptor.
1670 (struct phdr_data): Add exe_descriptor.
1671 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1672 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1673 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1675 (backtrace_initialize): Adjust call to elf_add. If it returns
1676 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1678 2013-12-05 Ian Lance Taylor <iant@google.com>
1680 * alloc.c (backtrace_vector_finish): Add error_callback and data
1681 parameters. Call backtrace_vector_release. Return address base.
1682 * mmap.c (backtrace_vector_finish): Add error_callback and data
1683 parameters. Return address base.
1684 * dwarf.c (read_function_info): Get new address base from
1685 backtrace_vector_finish.
1686 * internal.h (backtrace_vector_finish): Update declaration.
1688 2013-11-27 Ian Lance Taylor <iant@google.com>
1690 * dwarf.c (find_address_ranges): New static function, broken out
1691 of build_address_map.
1692 (build_address_map): Call it.
1693 * btest.c (check): Check for missing filename or function, rather
1695 (f3): Check that enough frames were returned.
1697 2013-11-19 Jakub Jelinek <jakub@redhat.com>
1699 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1700 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1702 * btest.c (struct symdata): Add size field.
1703 (callback_three): Add symsize argument. Copy it to the data->size
1705 (f23): Set symdata.size to 0.
1706 (test5): Likewise. If sizeof (int) > 1, lookup address of
1707 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1710 * atomic.c: Include sys/types.h.
1712 2013-11-18 Ian Lance Taylor <iant@google.com>
1714 * configure.ac: Check for support of __atomic extensions.
1715 * internal.h: Declare or #define atomic functions for use in
1717 * atomic.c: New file.
1718 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1719 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1720 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1721 (backtrace_initialize): Likewise.
1722 * fileline.c (fileline_initialize): Likewise.
1723 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1724 * configure, config.h.in, Makefile.in: Rebuild.
1726 2013-11-18 Jakub Jelinek <jakub@redhat.com>
1728 * elf.c (SHN_UNDEF): Define.
1729 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1730 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1731 (elf_add): Adjust caller.
1733 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1735 2013-11-16 Ian Lance Taylor <iant@google.com>
1737 * backtrace.h (backtrace_create_state): Correct comment about
1740 2013-11-15 Ian Lance Taylor <iant@google.com>
1742 * backtrace.h (backtrace_syminfo): Update comment and parameter
1743 name to take any address, not just a PC value.
1744 * elf.c (STT_OBJECT): Define.
1745 (elf_nosyms): Rename parameter pc to addr.
1746 (elf_symbol_search): Rename local variable pc to addr.
1747 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1748 (elf_syminfo): Rename parameter pc to addr.
1749 * btest.c (global): New global variable.
1753 2013-10-17 Ian Lance Taylor <iant@google.com>
1755 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1758 2013-10-15 David Malcolm <dmalcolm@redhat.com>
1760 * configure.ac: Add --enable-host-shared, setting up
1761 pre-existing PIC_FLAG variable within Makefile.am et al.
1762 * configure: Regenerate.
1764 2013-09-20 Alan Modra <amodra@gmail.com>
1766 * configure: Regenerate.
1768 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1770 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1772 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1774 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1775 dl_iterate_phdr callbacks.
1777 2013-03-25 Ian Lance Taylor <iant@google.com>
1779 * alloc.c: #include <sys/types.h>.
1782 2013-01-31 Ian Lance Taylor <iant@google.com>
1784 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1785 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1787 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1790 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1791 attribute was not seen.
1793 2013-01-16 Ian Lance Taylor <iant@google.com>
1795 * dwarf.c (struct unit): Add filename and abs_filename fields.
1796 (build_address_map): Set new fields when reading unit.
1797 (dwarf_lookup_pc): If we don't find an entry in the line table,
1798 just return the main file name.
1800 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1802 Update copyright years.
1804 2013-01-01 Ian Lance Taylor <iant@google.com>
1807 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1808 $(MULTIBUILDTOP)/../../gcc/include.
1809 * Makefile.in: Rebuild.
1811 2013-01-01 Ian Lance Taylor <iant@google.com>
1814 * mmap.c (backtrace_alloc): Don't call sync functions if not
1816 (backtrace_free): Likewise.
1818 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1820 * mmapio.c: Define MAP_FAILED if not defined.
1822 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1825 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1826 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1827 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1829 * Makefile.in: Regenerated.
1830 * configure: Regenerated.
1832 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1835 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1836 * Makefile.in: Regenerated.
1838 2012-11-20 Ian Lance Taylor <iant@google.com>
1840 * dwarf.c (read_attribute): Always clear val.
1842 2012-11-13 Ian Lance Taylor <iant@google.com>
1845 * configure.ac: Only add -Werror if building a target library.
1846 * configure: Rebuild.
1848 2012-11-12 Ian Lance Taylor <iant@google.com>
1849 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1850 Gerald Pfeifer <gerald@pfeifer.com>
1852 * configure.ac: Check for getexecname.
1853 * fileline.c: #include <errno.h>. Define getexecname if not
1855 (fileline_initialize): Try to find the executable in a few
1857 * print.c (error_callback): Only print the filename if it came
1858 from the backtrace state.
1859 * configure, config.h.in: Rebuild.
1861 2012-10-29 Ian Lance Taylor <iant@google.com>
1863 * mmap.c (backtrace_vector_release): Correct last patch: add
1866 2012-10-29 Ian Lance Taylor <iant@google.com>
1868 * mmap.c (backtrace_vector_release): Make sure freed block is
1869 aligned on 8-byte boundary.
1871 2012-10-26 Ian Lance Taylor <iant@google.com>
1874 * posix.c (backtrace_open): Add does_not_exist parameter.
1875 * elf.c (phdr_callback): Do not warn if shared library could not
1877 * fileline.c (fileline_initialize): Update calls to
1879 * internal.h (backtrace_open): Update declaration.
1881 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1884 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1885 * configure: Regenerate.
1887 2012-10-24 Ian Lance Taylor <iant@google.com>
1890 * configure.ac: Check whether -funwind-tables option works.
1891 * configure: Rebuild.
1893 2012-10-11 Ian Lance Taylor <iant@google.com>
1895 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1896 * configure: Rebuild.
1898 2012-10-10 Ian Lance Taylor <iant@google.com>
1900 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1903 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1905 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1907 2012-10-09 Ian Lance Taylor <iant@google.com>
1909 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1910 (backtrace_dwarf_add): Likewise.
1912 2012-10-09 Ian Lance Taylor <iant@google.com>
1914 Add support for tracing through shared libraries.
1915 * configure.ac: Check for link.h and dl_iterate_phdr.
1916 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1917 ELF macros before #defining them.
1918 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1920 (struct elf_syminfo_data): Add next field.
1921 (elf_initialize_syminfo): Initialize next field.
1922 (elf_add_syminfo_data): New static function.
1923 (elf_add): New static function, broken out of
1924 backtrace_initialize. Call backtrace_dwarf_add instead of
1925 backtrace_dwarf_initialize.
1926 (struct phdr_data): Define.
1927 (phdr_callback): New static function.
1928 (backtrace_initialize): Call elf_add.
1929 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1930 (add_unit_addr): Add base_address parameter. Change all callers.
1931 (add_unit_ranges, build_address_map): Likewise.
1932 (add_line): Add ddata parameter. Change all callers.
1933 (read_line_program, add_function_range): Likewise.
1934 (dwarf_lookup_pc): New static function, broken out of
1936 (dwarf_fileline): Call dwarf_lookup_pc.
1937 (build_dwarf_data): New static function.
1938 (backtrace_dwarf_add): New function.
1939 (backtrace_dwarf_initialize): Remove.
1940 * internal.h (backtrace_dwarf_initialize): Don't declare.
1941 (backtrace_dwarf_add): Declare.
1942 * configure, config.h.in: Rebuild.
1944 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1946 * btest.c (f23): Avoid uninitialized variable warning.
1948 2012-10-04 Ian Lance Taylor <iant@google.com>
1950 * dwarf.c: If the system header files do not declare strnlen,
1951 provide our own version.
1953 2012-10-03 Ian Lance Taylor <iant@google.com>
1955 * dwarf.c (read_uleb128): Fix overflow test.
1956 (read_sleb128): Likewise.
1957 (build_address_map): Don't change unit_buf.start.
1959 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
1962 * configure.ac (EXTRA_FLAGS): New.
1963 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1964 * configure, Makefile.in: Regenerate.
1966 2012-09-29 Ian Lance Taylor <iant@google.com>
1969 * fileline.c (fileline_initialize): Pass errnum as -1 when
1970 reporting that we could not read executable information after a
1973 2012-09-27 Ian Lance Taylor <iant@google.com>
1976 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1977 * Makefile.am: Add dependencies for all objects.
1978 * configure, aclocal.m4, Makefile.in: Rebuild.
1980 2012-09-27 Ian Lance Taylor <iant@google.com>
1983 * elf.c (backtrace_initialize): Set *fileln_fn, not
1986 2012-09-19 Ian Lance Taylor <iant@google.com>
1988 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1989 as a target library.
1990 * configure: Rebuild.
1992 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1993 Ian Lance Taylor <iant@google.com>
1995 * configure.ac (GCC_HEADER_STDINT): Invoke.
1996 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1997 * btest.c: Don't include <stdint.h>.
1998 * dwarf.c: Likewise.
1999 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
2001 2012-09-18 Ian Lance Taylor <iant@google.com>
2004 * Makefile.am (AM_CPPFLAGS): Define.
2005 (AM_CFLAGS): Remove -I options.
2006 * Makefile.in: Rebuild.
2008 2012-09-18 Ian Lance Taylor <iant@google.com>
2010 * posix.c (O_BINARY): Define if not defined.
2011 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
2012 HAVE_FCNTL is defined.
2013 * configure.ac: Test for the fcntl function.
2014 * configure, config.h.in: Rebuild.
2016 2012-09-18 Ian Lance Taylor <iant@google.com>
2018 * btest.c (test1, test2, test3, test4): Add the unused attribute.
2020 2012-09-18 Ian Lance Taylor <iant@google.com>
2022 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
2024 2012-09-18 Ian Lance Taylor <iant@google.com>
2026 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
2027 * mmapio.c: Don't define _GNU_SOURCE.
2028 * configure, config.h.in: Rebuild.
2030 2012-09-18 Ian Lance Taylor <iant@google.com>
2032 * configure.ac: Check whether strnlen is declared.
2033 * dwarf.c: Declare strnlen if not declared.
2034 * configure, config.h.in: Rebuild.
2036 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2038 * fileline.c: Include <stdlib.h>.
2041 2012-09-17 Ian Lance Taylor <iant@google.com>
2044 * nounwind.c (backtrace_full): Rename from backtrace. Add state
2047 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
2050 * nounwind.c (backtrace_simple): Add state parameter.
2052 2012-09-17 Ian Lance Taylor <iant@google.com>
2055 * unknown.c (unknown_fileline): Add state parameter, remove
2056 fileline_data parameter, name error_callback parameter.
2057 (backtrace_initialize): Add state parameter.
2059 2012-09-17 Ian Lance Taylor <iant@google.com>
2061 * Initial implementation.
2063 Copyright (C) 2012-2024 Free Software Foundation, Inc.
2065 Copying and distribution of this file, with or without modification,
2066 are permitted in any medium without royalty provided the copyright
2067 notice and this notice are preserved.