1 2023-01-20 Ian Lance Taylor <iant@golang.org>
3 * dwarf.c (struct function_addrs): Change low and high fields to
5 (struct unit_addrs): Likewise.
6 (resolve_addr_index): Change address parameter to uintptr_t*.
7 (add_unit_addr): Change lowpc and highpc parameters to uintptr_t.
8 (add_function_range): Likewise.
9 (struct pcrange): Change lowpc and highpc fields to uintptr_t.
10 (add_low_high_range): Change add_range lowpc and highpc parameters
12 (add_ranges_from_ranges): Likewise.
13 (add_ranges_from_rnglists): Likewise.
14 (add_low_high_range): Chnage lowpc and highpc variables to
16 (add_ranges_from_rnglists): Change some local variables to
18 (add_ranges_from_ranges): Change base parameter to uintptr_t.
19 (add_ranges_from_rnglists): Likewise.
20 (read_function_entry): Likewise.
21 (resolve_addr_index): Add explicit casts to uintptr_t.
22 (update_pcrange): Likewise.
23 (add_ranges_from_ranges): Likewise.
24 (add_ranges_from_rnglists): Likewise.
25 (read_function_entry): Likewise.
27 2023-01-17 Martin Liska <mliska@suse.cz>
29 * Makefile.in: Regenerate.
31 2023-01-06 Ian Lance Taylor <iant@golang.org>
33 PR libbacktrace/108297
34 * configure.ac: Test whether linker supports --build-id.
35 * Makefile.am: Only run --build-id tests if supported.
36 * configure, Makefile.in: Regenerate.
38 2022-12-17 Ian Lance Taylor <iant@golang.org>
40 * elf.c (elf_fetch_backward_init): New static function.
41 (ZSTD_TABLE_SIZE): Use huffman scratch space size rather than
43 (ZSTD_TABLE_WORK_LIT_SIZE): Don't define.
44 (elf_zstd_read_huff): Use elf_fetch_backward_init.
45 (elf_zstd_read_literals): New static function.
46 (ZSTD_LIT_RAW, ZSTD_LIT_RLE, ZSTD_LIT_HUFF): Don't define.
47 (struct elf_zstd_literals): Don't define.
48 (elf_zstd_literal_output): Remove static function.
49 (elf_zstd_decompress): Use elf_fetch_backward_init and
50 elf_zstd_read_literals. Rewrite literal copying.<
52 2022-12-10 Ian Lance Taylor <iant@golang.org>
54 * elf.c (ZSTD_TABLE_*): Use elf_zstd_fse_baseline_entry.
55 (ZSTD_ENCODE_BASELINE_BITS): Define.
56 (ZSTD_DECODE_BASELINE, ZSTD_DECODE_BASEBITS): Define.
57 (elf_zstd_literal_length_base): New static const array.
58 (elf_zstd_match_length_base): Likewise.
59 (struct elf_zstd_fse_baseline_entry): Define.
60 (elf_zstd_make_literal_baseline_fse): New static function.
61 (elf_zstd_make_offset_baseline_fse): Likewise.
62 (elf_zstd_make_match_baseline_fse): Likewise.
63 (print_table, main): Use elf_zstd_fse_baseline_entry.
64 (elf_zstd_lit_table, elf_zstd_match_table): Likewise.
65 (elf_zstd_offset_table): Likewise.
66 (struct elf_zstd_seq_decode): Likewise. Remove use_rle and rle
68 (elf_zstd_unpack_seq_decode): Use elf_zstd_fse_baseline_entry,
69 taking a conversion function. Convert RLE to FSE.
70 (elf_zstd_literal_length_baseline): Remove.
71 (elf_zstd_literal_length_bits): Remove.
72 (elf_zstd_match_length_baseline): Remove.
73 (elf_zstd_match_length_bits): Remove.
74 (elf_zstd_decompress): Use elf_zstd_fse_baseline_entry. Rewrite
75 and simplify main loop.
77 2022-12-08 Ian Lance Taylor <iant@golang.org>
79 * configure.ac: Check for zstd library and
80 --compress-debug-sections=zstd linker option.
81 * Makefile.am (zstdtest_*): New targets.
82 (zstdtest_alloc_*, ctestzstd_*): New targets.
83 (BUILDTESTS): Add zstdtest, zstdtest_alloc, ctestzstd as
85 * elf.c (ELFCOMPRESS_ZSTD): Define.
86 (elf_fetch_bits): Rename from elf_zlib_fetch. Update uses.
87 (elf_fetch_bits_backward): New static function.
88 (ZLIB_HUFFMAN_*): Rename from HUFFMAN_*. Update uses.
89 (ZLIB_TABLE_*): Rename from ZDEBUG_TABLE_*. Update uses.
90 (ZSTD_TABLE_*): Define.
91 (struct elf_zstd_fse_entry): Define.
92 (elf_zstd_read_fse): New static function.
93 (elf_zstd_build_fse): Likewise.
94 (lit): Define if BACKTRACE_GENERATE_ZSTD_FSE_TABLES.
95 (match, offset, next, print_table, main): Likewise.
96 (elf_zstd_lit_table): New static const array.
97 (elf_zstd_match_table, elf_zstd_offset_table): Likewise.
98 (elf_zstd_read_huff): New static function.
99 (struct elf_zstd_seq_decode): Define.
100 (elf_zstd_unpack_seq_decode): New static function.
101 (ZSTD_LIT_*): Define.
102 (struct elf_zstd_literals): Define.
103 (elf_zstd_literal_output): New static function.
104 (ZSTD_LITERAL_LENGTH_BASELINE_OFFSET): Define.
105 (elf_zstd_literal_length_baseline): New static const array.
106 (elf_zstd_literal_length_bits): Likewise.
107 (ZSTD_MATCH_LENGTH_BASELINE_OFFSET): Define.
108 (elf_zstd_match_length_baseline): New static const array.
109 (elf_zstd_match_length_bits): Likewise.
110 (elf_zstd_decompress): New static function.
111 (ZDEBUG_TABLE_SIZE): New definition.
112 (elf_uncompress_chdr): Support ELF_COMPRESS_ZSTD.
113 (backtrace_uncompress_zstd): New function.
114 (elf_add): Use ZLIB_TABLE_SIZE for zlib-gnu sections.
115 * internal.h (backtrace_uncompress_zstd): Declare.
116 * zstdtest.c: New file.
117 * configure, config.h.in, Makefile.in: Regenerate.
119 2022-10-12 Martin Liska <mliska@suse.cz>
121 * configure: Regenerate.
123 2022-10-11 Olivier Hainque <hainque@adacore.com>
124 Olivier Hainque <hainque@adacore.com>
126 * configure: Regenerate.
128 2022-07-08 Ian Lance Taylor <iant@golang.org>
130 * configure.ac: Check for sys/link.h. Use either link.h or
131 sys/link.h when checking for dl_iterate_phdr.
132 * elf.c: Include sys/link.h if available.
133 * configure, config.h.in: Regenerate.
135 2022-07-07 Ian Lance Taylor <iant@golang.org>
137 * macho.c (backtrace_initialize) [HAVE_MACH_O_DYLD_H]: Don't exit
138 loop if we can't find debug info for one shared library.
140 2022-07-07 Ian Lance Taylor <iant@golang.org>
142 * Makefile.am (MAKETESTS): New variable split out of TESTS.
143 (CLEANFILES): Replace TESTS with BUILDTESTS and MAKETESTS.
144 * Makefile.in: Regenerate.
146 2022-06-27 Ian Lance Taylor <iant@golang.org>
148 * configure.ac: Use grep instead of fgrep.
149 * configure, Makefile.in: Regenerate.
151 2022-05-28 Ian Lance Taylor <iant@golang.org>
153 PR libbacktrace/105721
156 2022-04-05 Ian Lance Taylor <iant@golang.org>
158 * elf.c (elf_zlib_inflate): Don't skip initial aligned byte in
161 2022-02-17 Ian Lance Taylor <iant@golang.org>
163 * dwarf.c (find_address_ranges): Handle skeleton units.
164 (read_function_entry): Likewise.
166 2022-02-16 Ian Lance Taylor <iant@golang.org>
168 * dwarf.c (build_address_map): Initialize DWARF 5 fields of unit.
170 2022-02-03 David Seifert <soap@gentoo.org>
171 Jakub Jelinek <jakub@redhat.com>
173 * configure.ac: Support --disable-werror.
174 * configure: Regenerate.
176 2021-12-28 Francois-Xavier Coudert <fxcoudert@gmail.com>
178 PR libbacktrace/103822
179 * Makefile.am: Fix newline.
180 * Makefile.in: Regenerate.
182 2021-11-12 Martin Liska <mliska@suse.cz>
184 PR libbacktrace/103167
185 * elf.c (elf_uncompress_lzma_block): Cast to unsigned int.
186 (elf_uncompress_lzma): Likewise.
187 * xztest.c (test_samples): memcpy only if v > 0.
189 2021-10-22 Martin Liska <mliska@suse.cz>
192 * btest.c (MIN_DESCRIPTOR): New.
193 (MAX_DESCRIPTOR): Likewise.
194 (check_available_files): Likewise.
195 (check_open_files): Check only file descriptors that
196 were not available at the entry.
197 (main): Call check_available_files.
199 2021-08-13 Sergei Trofimovich <siarheit@google.com>
201 * install-debuginfo-for-buildid.sh.in: Force non-localized readelf
204 2021-06-28 Clément Chigot <clement.chigot@atos.net>
206 * xcoff.c (SSUBTYP_DWRNGES): New define.
207 (xcoff_add): Use correct XCOFF DWARF section subtype
208 for DEBUG_RANGES. Remove lineoff workaround.
210 (xcoff_initialize_syminfo): Adapt to new base_address.
211 (xcoff_lookup_pc): Likewise.
212 (xcoff_initialize_fileline): Likewise.
214 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
217 * configure: Regenerated.
219 2021-03-03 Ian Lance Taylor <iant@golang.org>
221 * dwarf.c (read_line_program): Don't special case file 0.
222 (read_function_entry): Likewise.
224 2021-03-02 Ian Lance Taylor <iant@golang.org>
226 PR libbacktrace/98818
227 * dwarf.c (dwarf_buf_error): Add errnum parameter. Change all
229 * backtrace.h: Update backtrace_error_callback comment.
231 2021-02-12 Ian Lance Taylor <iant@golang.org>
233 * configure.ac: Check for objcopy --add-gnu-debuglink by using
235 * configure: Regenerate
237 2021-01-18 Ian Lance Taylor <iant@golang.org>
239 * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
240 * Makefile.in: Regenerate.
241 * configure: Regenerate.
243 2021-01-18 Ian Lance Taylor <iant@golang.org>
246 * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
248 (read_line_program): Remove parameter u, change caller. Don't
249 subtract one from dirs and filenames index.
250 (read_function_entry): Don't subtract one from filenames index.
252 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
254 * configure: Re-generate.
256 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
259 * configure: Regenerate.
261 2020-12-02 Ian Lance Taylor <iant@golang.org>
263 * dwarf.c (resolve_string): Use > rather than >= to check whether
264 string index extends past buffer.
265 (resolve_addr_index): Similarly for address index.
267 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
269 * configure: Regenerate.
271 2020-10-20 Ian Lance Taylor <iant@golang.org>
273 * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
274 * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
276 2020-09-28 Ian Lance Taylor <iant@golang.org>
278 PR libbacktrace/97082
279 * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
280 * Makefile.in: Regenerate.
282 2020-09-28 Ian Lance Taylor <iant@golang.org>
284 PR libbacktrace/97227
285 * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
286 * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
287 * configure: Regenerate.
288 * Makefile.in: Regenerate.
290 2020-09-23 Ian Lance Taylor <iant@golang.org>
292 * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
294 (dwarf_lookup_pc): Likewise.
296 2020-09-17 Ian Lance Taylor <iant@golang.org>
298 PR libbacktrace/97080
299 * fileline.c (backtrace_syminfo_to_full_callback): New function.
300 (backtrace_syminfo_to_full_error_callback): New function.
301 * elf.c (elf_nodebug): Call syminfo_fn if possible.
302 * internal.h (struct backtrace_call_full): Define.
303 (backtrace_syminfo_to_full_callback): Declare.
304 (backtrace_syminfo_to_full_error_callback): Declare.
305 * mtest.c (f3): Only check all[i] if data.index permits.
307 2020-09-16 Iain Sandoe <iain@sandoe.co.uk>
309 * macho.c (MACH_O_CPU_TYPE_PPC): New.
310 (MACH_O_CPU_TYPE_PPC64): New.
311 Add compile-tests for powerpc to the Mach-O variants.
313 2020-09-14 Ian Lance Taylor <iant@golang.org>
315 PR libbacktrace/93608
316 Add support for MiniDebugInfo.
317 * elf.c (struct elf_view): Define. Replace most uses of
318 backtrace_view with elf_view.
319 (elf_get_view): New static functions. Replace most calls of
320 backtrace_get_view with elf_get_view.
321 (elf_release_view): New static functions. Replace most calls of
322 backtrace_release_view with elf_release_view.
323 (elf_uncompress_failed): Rename from elf_zlib_failed. Change all
325 (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
326 (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
327 (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
328 (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
329 (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
330 (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
331 (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
332 (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
333 (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
334 (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
335 (LZMA_PROB_DIST_ALIGN_LEN): Define.
336 (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
337 (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
338 (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
339 (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
340 (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
341 (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
342 (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
343 (LZMA_PROB_REP_LEN_LOW_LEN): Define.
344 (LZMA_PROB_REP_LEN_MID_LEN): Define.
345 (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
346 (LZMA_PROB_LITERAL_LEN): Define.
347 (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
348 (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
349 (LZMA_PROB_IS_REP2_OFFSET): Define.
350 (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
351 (LZMA_PROB_DIST_SLOT_OFFSET): Define.
352 (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
353 (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
354 (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
355 (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
356 (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
357 (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
358 (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
359 (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
360 (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
361 (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
362 (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
363 (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
364 (LZMA_PROB_LITERAL_OFFSET): Define.
365 (LZMA_PROB_TOTAL_COUNT): Define.
366 (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
367 (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
368 (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
369 (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
370 (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
371 (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
372 (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
373 (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
374 (elf_lzma_varint): New static function.
375 (elf_lzma_range_normalize): New static function.
376 (elf_lzma_bit, elf_lzma_integer): New static functions.
377 (elf_lzma_reverse_integer): New static function.
378 (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
379 (elf_uncompress_lzma): New static function.
380 (backtrace_uncompress_lzma): New function.
381 (elf_add): Add memory and memory_size parameters. Change all
382 callers. Look for .gnu_debugdata section, and, if found,
383 decompress it and use it for symbols and debug info. Permit the
384 descriptor parameter to be -1.
385 * internal.h (backtrace_uncompress_lzma): Declare.
387 * xztest.c: New file.
388 * configure.ac: Check for nm, xz, and comm programs. Check for
390 (HAVE_MINIDEBUG): Define.
391 * Makefile.am (mtest_SOURCES): Define.
392 (mtest_CFLAGS, mtest_LDADD): Define.
393 (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
394 (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
395 (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
396 (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
397 (xztest_alloc_LDADD): Define.
398 (BUILDTESTS): Add mtest, xztest, xztest_alloc.
399 (CLEANFILES): Add files created by minidebug pattern.
400 (btest.lo): Correct INCDIR reference.
401 (mtest.lo, xztest.lo, ztest.lo): New targets.
402 * configure: Regenerate.
403 * config.h.in: Regenerate.
404 * Makefile.in: Regenerate.
406 2020-09-09 Ian Lance Taylor <iant@golang.org>
408 * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
409 (coff_add): Determine and pass is_64.
411 2020-09-09 Ian Lance Taylor <iant@golang.org>
413 PR libbacktrace/96973
414 * fileline.c (macho_get_executable_path): New static function.
415 (fileline_initialize): Call macho_get_executable_path.
417 2020-09-09 Ian Lance Taylor <iant@golang.org>
419 * dwarf.c (function_addrs_search): Compare against the next entry
420 low address, not the high address.
421 (unit_addrs_search): Likewise.
422 (build_address_map): Add a trailing unit_addrs.
423 (read_function_entry): Add a trailing function_addrs.
424 (read_function_info): Likewise.
425 (report_inlined_functions): Search backward for function_addrs
427 (dwarf_lookup_pc): Search backward for unit_addrs and
428 function_addrs matches.
430 2020-09-08 Ian Lance Taylor <iant@golang.org>
432 * simple.c (simple_unwind): Correct comment spelling.
434 2020-09-08 Ian Lance Taylor <iant@golang.org>
436 * macho.c (macho_add_dsym): Make space for '/' in dsym. Use
437 correct length when freeing diralc.
439 2020-09-08 Ian Lance Taylor <iant@golang.org>
441 PR libbacktrace/96973
442 * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
444 2020-09-08 Ian Lance Taylor <iant@golang.org>
446 PR libbacktrace/96971
447 * filetype.awk: Only match magic number at start of line.
449 2020-08-24 Ian Lance Taylor <iant@golang.org>
451 * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
452 (MACH_O_MH_CIGAM_FAT_64): Define.
453 (struct macho_fat_arch_64): Define.
454 (macho_add_fat): Add and use is_64 parameter.
455 (macho_add): Recognize 64-bit fat files.
457 2020-07-30 H.J. Lu <hjl.tools@gmail.com>
460 * configure: Regenerated.
462 2020-07-08 Ian Lance Taylor <iant@golang.org>
464 * configure.ac: Test linker support for DWARF5
465 * configure: Regenerate
467 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
470 * configure: Regenerated.
472 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
475 * configure: Regenerated.
477 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
479 * configure: Regenerated.
481 2020-05-13 Ian Lance Taylor <iant@golang.org>
483 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
485 2020-05-13 Ian Lance Taylor <iant@golang.org>
488 * posix.c (backtrace_open): Treat EACCESS like ENOENT.
490 2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
492 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
493 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
494 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
496 * Makefile.in: Regenerated.
497 * configure: Likewise.
499 2020-05-11 Ian Lance Taylor <iant@golang.org>
501 PR libbacktrace/95012
502 * configure.ac: Check for getpagesize declaration.
503 * mmap.c: Declare getpagesize if necessary.
504 * mmapio.c: Likewise.
505 * configure: Regenerate.
506 * config.h.in: Regenerate.
507 * Makefile.in: Regenerate.
509 2020-05-09 Roland McGrath <mcgrathr@google.com>
511 * elf.c (elf_add): Bail early if there are no section headers at all.
513 2020-05-09 Ian Lance Taylor <iant@golang.org>
515 * elf.c (elf_add): Don't free strtab if an error occurs after
516 recording symbol information.
518 2020-05-09 Ian Lance Taylor <iant@golang.org>
520 PR libbacktrace/88745
522 * filetype.awk: Recognize Mach-O files.
523 * Makefile.am (FORMAT_FILES): Add macho.c.
524 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
525 (%.dSYM): New pattern target.
526 (test_macho_SOURCES, test_macho_CFLAGS): New targets.
527 (test_macho_LDADD): New target.
528 (BUILDTESTS): Add test_macho.
529 (macho.lo): Add dependencies.
530 * configure.ac: Recognize macho file type. Check for
531 mach-o/dyld.h. Don't try to run objcopy if we don't find it.
532 Look for dsymutil and define a HAVE_DSYMUTIL conditional.
533 * Makefile.in: Regenerate.
534 * configure: Regenerate.
535 * config.h.in: Regenerate.
537 2020-05-09 Ian Lance Taylor <iant@golang.org>
539 * read.c (backtrace_get_view): Support short read.
541 2020-05-09 Ian Lance Taylor <iant@golang.org>
543 * elf.c (elf_add): If debug sections are very large or far apart,
544 read them individually rather than as a single view.
546 2020-05-08 Ian Lance Taylor <iant@golang.org>
548 * fileline.c (sysctl_exec_name): New static function.
549 (sysctl_exec_name1): New macro or static function.
550 (sysctl_exec_name2): Likewise.
551 (fileline_initialize): Try sysctl_exec_name[12].
552 * configure.ac: Check for sysctl args to fetch executable name.
553 * configure: Regenerate.
554 * config.h.in: Regenerate.
556 2020-02-15 Ian Lance Taylor <iant@golang.org>
558 * ztest.c (test_large): Update file to current libgo test file.
560 2020-02-03 Ian Lance Taylor <iant@golang.org>
562 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
563 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
564 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
565 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
566 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
567 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
568 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
569 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
570 (stest_alloc_CFLAGS): Likewise.
571 * Makefile.in: Regenerate.
572 * ztest.c (error_callback_compress): Mark vdata unused.
573 (test_large): Add casts to avoid warnings.
575 2020-01-01 Jakub Jelinek <jakub@redhat.com>
577 Update copyright years.
579 2019-12-13 Ian Lance Taylor <iant@golang.org>
582 * dwarf.c (struct attr): Add val field.
583 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
584 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
585 (struct line_header): Add addrsize field.
586 (struct line_header_format): Define.
587 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
589 (read_uint24): New static function.
590 (read_attribute): Add implicit_val parameter. Replace dwarf_str
591 and dwarf_str_size parameters with dwarf_sections parameter. Add
592 support for new DWARF 5 forms. Change all callers.
593 (resolve_string): New static function.
594 (resolve_addr_index): Likewise.
595 (read_abbrevs): Support DW_FORM_implicit_const.
596 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
597 and ranges_is_index fields.
598 (update_pcrange): Support DWARF 5 encodings.
599 (add_high_low_range): New static function, split out of
601 (add_ranges_from_ranges): Likewise.
602 (add_ranges_from_rnglists): New static function.
603 (add_ranges): Just call new helper functions.
604 (find_address_ranges): Use resolve_string for strings, after
605 reading all attributes. Handle new DWARF 5 attributes.
606 (build_address_map): Support DWARF 5 compilation units.
607 (read_v2_paths): New static function, split out of
609 (read_lnct): New static function.
610 (read_line_header_format_entries): Likewise.
611 (read_line_header): Add ddata parameter. Support DWARF 5 line
612 headers. Call new helper functions. Change all callers.
613 (read_line_program): Use addrsize from line program header. Don't
614 special case directory index 0 for DWARF 5.
615 (read_referenced_name): Use resolve_string.
616 (read_function_entry): Handle DWARF 5 encodings. Use
618 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
619 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
620 * elf.c (dwarf_section_names): Add new section names.
621 * pecoff.c (dwarf_section_names): Likewise.
622 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
624 * configure.ac: Define HAVE_DWARF5 automake conditional.
625 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
626 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
627 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
628 (dwarf5_alloc_LDADD): Likewise.
629 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
630 (CLEANFILES, clean-local): Define.
632 2019-12-08 Ian Lance Taylor <iant@golang.org>
634 * dwarf.c (struct pcrange): Define.
635 (update_pcrange, add_ranges): New static functions.
636 (add_unit_addr): Change signature to work with add_ranges. Don't
637 add base_address here.
638 (add_unit_ranges): Remove.
639 (find_address_ranges): Replace str/ranges parameters with
640 dwarf_sections. Use update_pcrange and add_ranges. Change all
642 (add_function_range): Change signature to work with add_ranges.
643 Don't add base_address here.
644 (add_function_ranges): Remove.
645 (read_function_entry): Use update_pcrange and add_ranges.
647 2019-12-04 Ian Lance Taylor <iant@golang.org>
649 * edtest.c (test1): Add noclone attribute.
651 2019-12-04 Ian Lance Taylor <iant@golang.org>
653 * internal.h (enum dwarf_section): Define.
654 (struct dwarf_sections): Define.
655 (backtrace_dwarf_add): Update declaration to replace specific
656 section parameters with dwarf_sections parameter.
657 * dwarf.c (struct dwarf_data): Replace specific section fields
658 with dwarf_sections field.
659 (read_attribute): Use dwarf_sections with altlink.
660 (build_address_map): Replace specific section parameters with
661 dwarf_sections parameter. Change all callers.
662 (read_line_info): Use dwarf_sections with ddata.
663 (read_referenced_name): Likewise.
664 (add_function_ranges): Likewise.
665 (read_function_entry): Likewise.
666 (read_function_info): Likewise.
667 (build_dwarf_data): Replace specific section parameters with
668 dwarf_sections parameter. Change all callers.
669 (backtrace_dwarf_add): Likewise.
670 * elf.c (enum debug_section): Remove.
671 (dwarf_section_names): Remove .zdebug names.
672 (elf_add): Track zsections separately. Build dwarf_sections.
673 * pecoff.c (enum debug_section): Remove.
674 (struct debug_section_info): Remove data field.
675 (coff_add): Build dwarf_sections.
676 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
677 references with DEBUG_xxx references.
678 (xcoff_add): Build dwarf_sections.
680 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
682 * configure: Regenerate.
684 2019-09-26 Ian Lance Taylor <iant@golang.org>
686 PR libbacktrace/91908
687 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
688 __sync_bool_compare_and_swap to void.
689 * xcoff.c (backtrace_initialize): Likewise.
691 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
693 * configure.ac: Remove references to spu.
694 * configure: Regenerate.
696 2019-05-24 Clement Chigot <clement.chigot@atos.net>
698 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
700 * Makefile.in: Regenerate.
702 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
704 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
706 * configure: Regenerate.
708 2019-03-11 Ian Lance Taylor <iant@golang.org>
710 PR libbacktrace/89669
711 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
713 * Makefile.in: Regenerate.
715 2019-02-26 Tom de Vries <tdevries@suse.de>
717 * btest.c (test5): Allow global.* as minimal symbol name for global.
719 2019-02-26 Tom de Vries <tdevries@suse.de>
721 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
722 * Makefile.in: Regenerate.
724 2019-02-12 Tom de Vries <tdevries@suse.de>
726 PR libbacktrace/81983
727 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
729 2019-02-10 Tom de Vries <tdevries@suse.de>
731 * Makefile.am (BUILDTESTS): Add btest_lto.
732 * Makefile.in: Regenerate.
733 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
734 __attribute__((noclone)).
736 2019-02-08 Tom de Vries <tdevries@suse.de>
738 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
739 * print.c (backtrace_print): Same.
740 * simple.c (backtrace_simple): Same.
742 2019-02-08 Tom de Vries <tdevries@suse.de>
744 PR libbacktrace/78063
745 * dwarf.c (build_address_map): Keep all parsed units.
746 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
748 2019-01-31 Tom de Vries <tdevries@suse.de>
750 PR libbacktrace/89136
751 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
752 'debugaltlink_name_len =+ 1'.
754 2019-01-29 Tom de Vries <tdevries@suse.de>
756 * install-debuginfo-for-buildid.sh.in: New script.
757 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
758 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
759 * Makefile.in: Regenerate.
760 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
761 (READELF): Set with AC_CHECK_PROG.
762 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
763 * configure: Regenerate.
764 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
765 (elf_open_debugfile_by_buildid): ... here.
767 2019-01-29 Tom de Vries <tdevries@suse.de>
769 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
771 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
772 (check_PROGRAMS): Add BUILDTESTS.
773 * Makefile.in: Regenerate.
775 2019-01-28 Tom de Vries <tdevries@suse.de>
777 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
778 Use $< to access prerequisite.
779 * Makefile.in: Regenerate.
781 2019-01-25 Nathan Sidwell <nathan@acm.org>
783 * elf.c (elf_add): Pass "" filename to recursive call with
786 2019-01-25 Tom de Vries <tdevries@suse.de>
788 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
790 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
791 * Makefile.in: Regenerate.
793 2019-01-25 Tom de Vries <tdevries@suse.de>
795 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
796 (TESTS): Rename dtest to btest_gnudebuglink.
797 * Makefile.in: Regenerate.
799 2019-01-23 Tom de Vries <tdevries@suse.de>
801 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
802 (units_search, find_unit): Use size_t for offset.
803 (build_address_map): Use size_t for unit_offset.
805 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
807 * allocfail.c (main): Increase portability of printf statement.
809 2019-01-18 Ian Lance Taylor <iant@golang.org>
811 PR libbacktrace/88890
812 * mmapio.c (backtrace_get_view): Change size parameter to
813 uint64_t. Check that value fits in size_t.
814 * read.c (backtrace_get_view): Likewise.
815 * internal.h (backtrace_get_view): Update declaration.
816 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
818 2019-01-17 Tom de Vries <tdevries@suse.de>
820 PR libbacktrace/82857
821 * configure.ac (DWZ): Set with AC_CHECK_PROG.
822 (HAVE_DWZ): Set with AM_CONDITIONAL.
823 * configure: Regenerate.
824 * Makefile.am (TESTS): Add btest_dwz.
825 * Makefile.in: Regenerate.
827 2019-01-17 Tom de Vries <tdevries@suse.de>
829 PR libbacktrace/82857
830 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
831 (read_attribute): Handle DW_FORM_GNU_ref_alt using
832 ATTR_VAL_REF_ALT_INFO.
833 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
835 2019-01-17 Tom de Vries <tdevries@suse.de>
837 * dwarf.c (struct unit): Add low_offset and high_offset fields.
838 (struct unit_vector): New type.
839 (struct dwarf_data): Add units and units_counts fields.
840 (find_unit): New function.
841 (find_address_ranges): Add and handle unit_tag parameter.
842 (build_address_map): Add and handle units_vec parameter.
843 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
846 2019-01-17 Tom de Vries <tdevries@suse.de>
848 PR libbacktrace/82857
849 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
852 2019-01-17 Tom de Vries <tdevries@suse.de>
854 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
855 (read_attribute): Add altlink parameter. Handle missing altlink for
856 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
857 (find_address_ranges, build_address_map, build_dwarf_data): Add and
858 handle altlink parameter.
859 (read_referenced_name, read_function_entry): Add argument to
862 2019-01-17 Tom de Vries <tdevries@suse.de>
864 * dwarf.c (struct dwarf_data): Add altlink field.
865 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
866 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
867 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
868 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
869 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
870 * xcoff.c (xcoff_add): Same.
872 2019-01-17 Tom de Vries <tdevries@suse.de>
874 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
875 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
876 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
877 argument to backtrace_dwarf_add call.
878 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
879 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
880 * xcoff.c (xcoff_add): Same.
882 2019-01-17 Tom de Vries <tdevries@suse.de>
884 * elf.c (elf_add): Add and handle with_buildid_data and
885 with_buildid_size parameters. Handle .gnu_debugaltlink section.
886 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
888 2019-01-16 Tom de Vries <tdevries@suse.de>
890 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
892 (read_referenced_name): ... here, and ...
893 (read_function_entry): ... here.
895 2019-01-16 Tom de Vries <tdevries@suse.de>
897 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
899 (read_function_entry): Same. Don't allow name found via
900 DW_AT_abstract_origin or case DW_AT_specification to override linkage
903 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
907 * backtrace.h: Mechanically replace "can not" with "cannot".
909 2019-01-01 Jakub Jelinek <jakub@redhat.com>
911 Update copyright years.
913 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
915 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
917 * Makefile.in: Regenerate.
919 2018-12-28 Tom de Vries <tdevries@suse.de>
921 * dwarf.c (build_address_map): Reuse unused units.
923 2018-12-28 Tom de Vries <tdevries@suse.de>
925 * dwarf.c (build_address_map): Simplify by removing local variable
928 2018-12-28 Ian Lance Taylor <iant@golang.org>
929 Tom de Vries <tdevries@suse.de>
931 PR libbacktrace/88063
932 * dwarf.c (free_unit_addrs_vector): Remove.
933 (build_address_map): Keep track of allocated units in vector. Free
934 allocated units and corresponding abbrevs upon failure. Remove now
935 redundant call to free_unit_addrs_vector. Free addrs vector upon
936 failure. Free allocated unit vector.
938 2018-12-28 Tom de Vries <tdevries@suse.de>
940 * dwarf.c (build_address_map): Free addrs vector upon failure.
942 2018-12-14 Tom de Vries <tdevries@suse.de>
945 * allocfail.sh: Remove "set -o pipefail".
947 2018-12-12 Tom de Vries <tdevries@suse.de>
949 * Makefile.am (TESTS): Add allocfail.sh.
950 (check_PROGRAMS): Add allocfail.
951 * Makefile.in: Regenerate.
952 * instrumented_alloc.c: New file. Redefine malloc and realloc.
954 * allocfail.c: New file.
955 * allocfail.sh: New file.
957 2018-11-30 Tom de Vries <tdevries@suse.de>
959 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
960 test_xcoff_64, test_pecoff and test_unknown.
961 * Makefile.in: Regenerate.
962 * test_format.c: New file.
964 2018-11-30 Tom de Vries <tdevries@suse.de>
966 * Makefile.am : Add _with_alloc version for each test in
968 * Makefile.in: Regenerate.
970 2018-11-30 Tom de Vries <tdevries@suse.de>
972 * internal.h (backtrace_vector_free): New static inline fuction,
974 * dwarf.c (read_line_info): ... here.
976 2018-11-28 Tom de Vries <tdevries@suse.de>
978 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
981 2018-11-27 Tom de Vries <tdevries@suse.de>
983 * mmap.c (backtrace_vector_release): Same.
984 * unittest.c (test1): Add check.
986 2018-11-27 Tom de Vries <tdevries@suse.de>
988 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
990 * Makefile.am (check_PROGRAMS): Add unittest.
991 * Makefile.in: Regenerate.
992 * unittest.c: New file.
994 2018-11-22 Tom de Vries <tdevries@suse.de>
996 * dwarf.c (read_initial_length): Factor out of ...
997 (build_address_map, read_line_info): ... here.
999 2018-11-21 Tom de Vries <tdevries@suse.de>
1001 * dwarf.c (read_string): Factor out of ...
1002 (read_attribute, read_line_header, read_line_program): ... here.
1004 2018-10-31 Joseph Myers <joseph@codesourcery.com>
1007 * Makefile.am: Include multilib.am.
1008 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
1009 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
1011 2018-10-05 Ian Lance Taylor <iant@golang.org>
1013 PR libbacktrace/87529
1014 * backtrace.h: Document that backtrace_create_state should be
1017 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
1019 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
1020 * Makefile.in: Regenerate.
1021 * config.h.in: Likewise.
1022 * configure: Likewise.
1024 2018-08-01 Tony Reix <tony.reix@atos.net>
1026 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
1027 (struct xcoff_func, struct xcoff_func_vector): New structs.
1028 (xcoff_syminfo): Drop leading dot from symbol name.
1029 (xcoff_line_compare, xcoff_line_search): Remove.
1030 (xcoff_func_compare, xcoff_func_search): New static functions.
1031 (xcoff_lookup_pc): Search function table.
1032 (xcoff_add_line, xcoff_process_linenos): Remove.
1033 (xcoff_initialize_fileline): Build function table.
1035 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
1038 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
1039 checking up to 36 bytes.
1041 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
1043 * configure: Regenerated.
1045 2018-04-19 Jakub Jelinek <jakub@redhat.com>
1047 * configure: Regenerated.
1049 2018-04-17 Ian Lance Taylor <iant@golang.org>
1051 * backtrace.c: Revert last two changes. Don't call mmap
1054 2018-04-17 Ian Lance Taylor <iant@golang.org>
1056 * backtrace.c: Include backtrace-supported.h before checking
1057 BACKTRACE_USES_MALLOC.
1059 2018-04-17 Ian Lance Taylor <iant@golang.org>
1061 * backtrace.c (backtrace_full): When testing whether we can
1062 allocate memory, call mmap directly, and munmap the memory.
1064 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1067 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
1068 big endian, only use 32-bit loads if endianity macros are predefined
1069 and indicate big or little endian.
1071 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
1074 * configure: Regenerate.
1076 2018-02-15 Jakub Jelinek <jakub@redhat.com>
1079 * elf.c (SHT_PROGBITS): Undefine and define.
1081 2018-02-14 Jakub Jelinek <jakub@redhat.com>
1084 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
1085 (struct elf_ppc64_opd_data): New type.
1086 (elf_initialize_syminfo): Add opd argument, handle symbols
1087 pointing into the PowerPC64 ELFv1 .opd section.
1088 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
1089 to structure with .opd data to elf_initialize_syminfo.
1091 2018-01-31 Ian Lance Taylor <iant@golang.org>
1093 * elf.c (elf_add): Close descriptor if we use a debugfile.
1094 * btest.c (check_open_files): New static function.
1095 (main): Call check_open_files.
1097 2018-01-25 Ian Lance Taylor <iant@golang.org>
1099 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
1100 desired CRC is zero.
1101 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
1103 2018-01-25 Ian Lance Taylor <iant@golang.org>
1105 * pecoff.c (coff_add): Only release syms_view if it is valid.
1107 2018-01-25 Ian Lance Taylor <iant@golang.org>
1109 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
1111 2018-01-24 Ian Lance Taylor <iant@golang.org>
1113 * pecoff.c (coff_add): Use coff_read4, not memcpy.
1115 2018-01-24 Ian Lance Taylor <iant@golang.org>
1118 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
1121 2018-01-19 Tony Reix <tony.reix@atos.net>
1123 * xcoff.c (xcoff_incl_compare): New function.
1124 (xcoff_incl_search): New function.
1125 (xcoff_process_linenos): Use bsearch to find include file.
1126 (xcoff_initialize_fileline): Sort include file information.
1128 2018-01-16 Ian Lance Taylor <iant@golang.org>
1130 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
1132 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
1133 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
1134 (elf_zlib_default_table): Update.
1135 (elf_zlib_default_dist_table): New static array.
1136 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
1138 * ztest.c (struct zlib_test): Add uncompressed_len.
1139 (tests): Initialize uncompressed_len field. Add new test case.
1140 (test_samples): Use uncompressed_len field.
1142 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1144 Update copyright years.
1146 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
1148 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
1149 * aclocal.m4: Regenerate.
1150 * Makefile.in: Likewise.
1151 * configure: Likewise.
1153 2017-10-06 Ian Lance Taylor <iant@golang.org>
1155 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
1156 zlib uncompress function.
1158 2017-10-05 Ian Lance Taylor <iant@golang.org>
1160 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
1161 Read a four byte integer.
1162 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
1163 boundary before ever calling elf_zlib_fetch.
1164 * ztest.c (test_large): Simplify print statements a bit.
1166 2017-10-02 Ian Lance Taylor <iant@golang.org>
1168 * ztest.c: #include <errno.h>.
1169 (TEST_TIMING): Don't define, don't test.
1170 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
1171 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
1172 (ZLIB_CLOCK_GETTIME_ARG): Define.
1173 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
1174 * Makefile.am: Likewise.
1175 * configure, Makefile.in: Rebuild.
1177 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
1180 * Makefile.am: Append the content of clock_gettime_link to
1182 * configure.ac: Test for the case that clock_gettime is in librt.
1183 * Makefile.in: Regenerate.
1184 * configure: Likewise.
1187 * configure.ac: Check for clock_gettime.
1188 * config.h.in: Regenerate.
1189 * configure: Likewise.
1190 * ztest.c (average_time, test_large): Conditionalize test timing
1191 on clock_gettime availability.
1193 2017-09-29 Tony Reix <tony.reix@atos.net>
1195 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
1196 (STYP_DWARF, SSUBTYP_DW*): Define.
1197 (enum dwarf_section): Define.
1198 (struct dwsect_info): Define.
1199 (xcoff_add): Look for DWARF sections, pass them to
1200 backtrace_dwarf_add.
1202 2017-09-28 Ian Lance Taylor <iant@golang.org>
1205 * elf.c (__builtin_prefetch): Define if not __GNUC__.
1207 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
1208 (b_elf_chdr): Define type.
1209 (enum debug_section): Add ZDEBUG_xxx values.
1210 (debug_section_names): Add names for new sections.
1211 (struct debug_section_info): Add compressed field.
1212 (elf_zlib_failed, elf_zlib_fetch): New static functions.
1213 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
1214 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
1215 (HUFFMAN_SECONDARY_SHIFT): Define.
1216 (ZDEBUG_TABLE_SIZE): Define.
1217 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1218 (final_next_secondary): New static variable if
1219 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1220 (elf_zlib_inflate_table): New static function.
1221 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1222 function to produce fixed Huffman table.
1223 (elf_zlib_default_table): New static variable.
1224 (elf_zlib_inflate): New static function.
1225 (elf_zlib_verify_checksum): Likewise.
1226 (elf_zlib_inflate_and_verify): Likewise.
1227 (elf_uncompress_zdebug): Likewise.
1228 (elf_uncompress_chdr): Likewise.
1229 (backtrace_uncompress_zdebug): New extern function.
1230 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1231 sections, and uncompress them.
1232 * internal.h (backtrace_compress_zdebug): Declare.
1233 * ztest.c: New file.
1234 * configure.ac: Check for -lz and check whether the linker
1235 supports --compress-debug-sections.
1236 * Makefile.am (ztest_SOURCES): New variable.
1237 (ztest_CFLAGS, ztest_LDADD): New variables.
1238 (check_PROGRAMS): Add ztest.
1239 (ctestg_SOURCES): New variable.
1240 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1241 (ctesta_SOURCES): New variable.
1242 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1243 (check_PROGRAMS): Add ctestg and ctesta.
1244 * configure, config.h.in, Makefile.in: Rebuild.
1246 2017-09-22 Ian Lance Taylor <iant@golang.org>
1249 * configure.ac: Check for lstat and readlink.
1250 * elf.c (lstat, readlink): Provide dummy versions if real versions
1252 * configure, config.h.in: Rebuild.
1254 2017-09-21 Ian Lance Taylor <iant@google.com>
1257 * elf.c (backtrace_initialize): Set pd.exe_filename.
1259 2017-09-20 Ian Lance Taylor <iant@golang.org>
1260 Denis Khalikov <d.khalikov@partner.samsung.com>
1263 Support for external debug info.
1264 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1265 (S_ISLNK): Define if not defined.
1266 (xstrnlen): Define if strnlen is not available.
1267 (b_elf_note): Define type.
1268 (NT_GNU_BUILD_ID): Define macro.
1269 (elf_crc32, elf_crc32_file): New static functions.
1270 (elf_is_symlink, elf_readlink): New static functions.
1271 (elf_open_debugfile_by_buildid): New static function.
1272 (elf_try_debugfile): New static function.
1273 (elf_find_debugfile_by_debuglink): New static function.
1274 (elf_open_debugfile_by_debuglink): New static function.
1275 (elf_add): Add filename and debuginfo parameters. Adjust all
1276 callers. Look for external debug info notes, and try to fetch
1277 debug info from external file.
1278 (struct phdr_data): Add exe_filename field.
1279 (phdr_callback): Pass filename to elf_add.
1280 (backtrace_initialize): Add filename parameter.
1281 * internal.h (backtrace_initialize): Add filename parameter.
1282 * fileline.c (fileline_initialize): Pass filename to
1283 backtrace_initialize.
1284 * pecoff.c (fileline_initialize): Add unused filename parameter.
1285 * unknown.c (fileline_initialize): Likewise.
1286 * xcoff.c (fileline_initialize): Likewise.
1287 * configure.ac: Check for objcopy --add-gnu-debuglink.
1288 * Makefile.am (dtest): New test target.
1289 * configure, Makefile.in: Rebuild.
1291 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1294 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1295 * Makefile.in: Regenerate.
1297 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1300 * libbacktrace/Makefile.in
1301 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1303 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
1306 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1308 2017-07-28 Tony Reix <tony.reix@atos.net>
1310 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1312 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1314 * fileline.c (fileline_initialize): Print pid_t as long.
1316 2017-07-26 Tony Reix <tony.reix@atos.net>
1318 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
1319 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1320 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1321 * configure, config.h.in: Regenerate.
1323 2017-07-21 Tony Reix <tony.reix@atos.net>
1325 * filetype.awk: Add AIX XCOFF type detection.
1326 * configure.ac: Recognize xcoff format.
1327 * Makefile.am (FORMAT_FILES): Add xcoff.c.
1328 * fileline.c: Include <unistd.h>.
1329 (fileline_initialize): Add case for AIX procfs.
1330 * xcoff.c: New file.
1331 * configure, Makefile.in: Rebuild.
1333 2017-06-21 Richard Biener <rguenther@suse.de>
1335 * configure.ac: Add AC_SYS_LARGEFILE.
1336 * config.h.in: Regenerate.
1337 * configure: Likewise.
1339 2017-06-11 Ian Lance Taylor <iant@golang.org>
1341 * elf.c (backtrace_initialize): Always set *fileline_fn.
1342 * ttest.c: New file.
1343 * btest.c: Move support functions into testlib.c. Change calls to
1344 check to pass file name.
1345 * testlib.c: New file, copied from (part of) btest.c.
1346 * testlib.h: New file, declarations for testlib.c.
1347 * edtest.c: Use testlib.h and testlib.c.
1348 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1349 * Makefile.am (btest_SOURCES): Add testlib.c.
1350 (edtest_SOURCES): Likewise.
1351 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1352 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1353 * configure, Makefile.in: Rebuild.
1355 2017-05-19 Than McIntosh <thanm@google.com>
1357 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1358 (read_line_header): Don't allocate dirs if dirs_count == 0.
1359 * edtest.c: New file.
1360 * edtest2.c: New file.
1361 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1362 (check_PROGRAMS): Add edtest.
1363 (edtest2_build.c, gen_edtest2_build): New targets.
1364 * Makefile.in: Rebuild.
1366 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
1368 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1369 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1371 2017-01-01 Jakub Jelinek <jakub@redhat.com>
1373 Update copyright years.
1375 2016-11-15 Matthias Klose <doko@ubuntu.com>
1377 * configure: Regenerate.
1379 2016-09-11 Carlos Liam <carlos@aarzee.me>
1381 * all: Remove meaningless trailing whitespace.
1383 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
1386 * elf.c (phdr_callback) [__i386__]: Add
1387 __attribute__((__force_align_arg_pointer__)).
1389 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
1391 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1392 avoid possible crash.
1393 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1394 missing debug info anymore.
1396 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
1398 * mmap.c (MAP_FAILED): Define if not defined.
1400 2016-01-04 Jakub Jelinek <jakub@redhat.com>
1402 Update copyright years.
1404 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
1406 * configure.ac: Specify that DJGPP do not have mmap
1407 even when sys/mman.h exists.
1408 * configure: Regenerate
1410 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
1412 PR libgfortran/68115
1413 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1414 * configure: Regenerate.
1415 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1418 2015-09-17 Ian Lance Taylor <iant@google.com>
1420 * posix.c (backtrace_open): Cast second argument of open() to int.
1422 2015-09-11 Ian Lance Taylor <iant@google.com>
1424 * Makefile.am (backtrace.lo): Depend on internal.h.
1425 (sort.lo, stest.lo): Add explicit dependencies.
1426 * Makefile.in: Rebuild.
1428 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
1430 * backtrace.c: #include <sys/types.h>.
1432 2015-09-08 Ian Lance Taylor <iant@google.com>
1435 * backtrace.c: #include "internal.h".
1436 (struct backtrace_data): Add can_alloc field.
1437 (unwind): If can_alloc is false, don't try to get file/line
1439 (backtrace_full): Set can_alloc field in bdata.
1440 * alloc.c (backtrace_alloc): Don't call error_callback if it is
1442 * mmap.c (backtrace_alloc): Likewise.
1443 * internal.h: Update comments for backtrace_alloc and
1446 2015-09-08 Ian Lance Taylor <iant@google.com>
1449 * mmap.c (backtrace_alloc): Correct test for mmap failure.
1451 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1453 * configure.ac: For spu-*-* targets, set have_fcntl to no.
1454 * configure: Regenerate.
1456 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1458 * configure.ac: Remove [disable-shared] argument to LT_INIT.
1459 Remove setting PIC_FLAG when building as target library.
1460 * configure: Regenerate.
1462 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
1464 * configure.ac: Only compile with -fPIC if the target
1466 * configure: Regenerate.
1468 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1470 * configure.ac: Set have_mmap to no on spu-*-* targets.
1471 * configure: Regenerate.
1473 2015-08-13 Ian Lance Taylor <iant@google.com>
1475 * dwarf.c (read_function_entry): Add vec_inlined parameter.
1478 2015-06-11 Martin Sebor <msebor@redhat.com>
1481 * dwarf.c (struct line): Add new field idx.
1482 (line_compare): Use it.
1484 (read_line_info): Reset it.
1486 2015-05-29 Tristan Gingold <gingold@adacore.com>
1488 * pecoff.c: New file.
1489 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1490 * Makefile.in: Regenerate.
1491 * filetype.awk: Detect pecoff.
1492 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1494 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1496 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1497 * configure: Regenerate.
1498 * pecoff.c: New file.
1500 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
1502 * Makefile.in: Regenerated with automake-1.11.6.
1503 * aclocal.m4: Likewise.
1504 * configure: Likewise.
1506 2015-01-24 Matthias Klose <doko@ubuntu.com>
1508 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1509 * configure: Regenerate.
1511 2015-01-05 Jakub Jelinek <jakub@redhat.com>
1513 Update copyright years.
1515 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
1518 * configure: Regenerated.
1520 2014-11-11 David Malcolm <dmalcolm@redhat.com>
1522 * ChangeLog.jit: New.
1524 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1527 * configure: Regenerate.
1529 2014-10-23 Ian Lance Taylor <iant@google.com>
1531 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1532 Fix to return void *.
1534 2014-05-08 Ian Lance Taylor <iant@google.com>
1536 * mmap.c (backtrace_free): If freeing a large aligned block of
1537 memory, call munmap rather than holding onto it.
1538 (backtrace_vector_grow): When growing a vector, double the number
1539 of pages requested. When releasing the old version of a grown
1540 vector, pass the correct size to backtrace_free.
1542 2014-03-07 Ian Lance Taylor <iant@google.com>
1544 * sort.c (backtrace_qsort): Use middle element as pivot.
1546 2014-03-06 Ian Lance Taylor <iant@google.com>
1549 * stest.c: New file.
1550 * internal.h (backtrace_qsort): Declare.
1551 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1552 (read_line_info, read_function_entry): Likewise.
1553 (read_function_info, build_dwarf_data): Likewise.
1554 * elf.c (elf_initialize_syminfo): Likewise.
1555 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1556 (stest_SOURCES, stest_LDADD): Define.
1557 (check_PROGRAMS): Add stest.
1559 2014-02-07 Misty De Meo <misty@brew.sh>
1562 * configure.ac: Use AC_LINK_IFELSE in check for
1564 * configure: Regenerate.
1566 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1568 Update copyright years
1570 2013-12-06 Jakub Jelinek <jakub@redhat.com>
1572 * elf.c (ET_DYN): Undefine and define again.
1573 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1574 return early -1 without closing the descriptor.
1575 (struct phdr_data): Add exe_descriptor.
1576 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1577 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1578 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1580 (backtrace_initialize): Adjust call to elf_add. If it returns
1581 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1583 2013-12-05 Ian Lance Taylor <iant@google.com>
1585 * alloc.c (backtrace_vector_finish): Add error_callback and data
1586 parameters. Call backtrace_vector_release. Return address base.
1587 * mmap.c (backtrace_vector_finish): Add error_callback and data
1588 parameters. Return address base.
1589 * dwarf.c (read_function_info): Get new address base from
1590 backtrace_vector_finish.
1591 * internal.h (backtrace_vector_finish): Update declaration.
1593 2013-11-27 Ian Lance Taylor <iant@google.com>
1595 * dwarf.c (find_address_ranges): New static function, broken out
1596 of build_address_map.
1597 (build_address_map): Call it.
1598 * btest.c (check): Check for missing filename or function, rather
1600 (f3): Check that enough frames were returned.
1602 2013-11-19 Jakub Jelinek <jakub@redhat.com>
1604 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1605 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1607 * btest.c (struct symdata): Add size field.
1608 (callback_three): Add symsize argument. Copy it to the data->size
1610 (f23): Set symdata.size to 0.
1611 (test5): Likewise. If sizeof (int) > 1, lookup address of
1612 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1615 * atomic.c: Include sys/types.h.
1617 2013-11-18 Ian Lance Taylor <iant@google.com>
1619 * configure.ac: Check for support of __atomic extensions.
1620 * internal.h: Declare or #define atomic functions for use in
1622 * atomic.c: New file.
1623 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1624 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1625 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1626 (backtrace_initialize): Likewise.
1627 * fileline.c (fileline_initialize): Likewise.
1628 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1629 * configure, config.h.in, Makefile.in: Rebuild.
1631 2013-11-18 Jakub Jelinek <jakub@redhat.com>
1633 * elf.c (SHN_UNDEF): Define.
1634 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1635 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1636 (elf_add): Adjust caller.
1638 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1640 2013-11-16 Ian Lance Taylor <iant@google.com>
1642 * backtrace.h (backtrace_create_state): Correct comment about
1645 2013-11-15 Ian Lance Taylor <iant@google.com>
1647 * backtrace.h (backtrace_syminfo): Update comment and parameter
1648 name to take any address, not just a PC value.
1649 * elf.c (STT_OBJECT): Define.
1650 (elf_nosyms): Rename parameter pc to addr.
1651 (elf_symbol_search): Rename local variable pc to addr.
1652 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1653 (elf_syminfo): Rename parameter pc to addr.
1654 * btest.c (global): New global variable.
1658 2013-10-17 Ian Lance Taylor <iant@google.com>
1660 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1663 2013-10-15 David Malcolm <dmalcolm@redhat.com>
1665 * configure.ac: Add --enable-host-shared, setting up
1666 pre-existing PIC_FLAG variable within Makefile.am et al.
1667 * configure: Regenerate.
1669 2013-09-20 Alan Modra <amodra@gmail.com>
1671 * configure: Regenerate.
1673 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1675 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1677 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1679 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1680 dl_iterate_phdr callbacks.
1682 2013-03-25 Ian Lance Taylor <iant@google.com>
1684 * alloc.c: #include <sys/types.h>.
1687 2013-01-31 Ian Lance Taylor <iant@google.com>
1689 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1690 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1692 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1695 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1696 attribute was not seen.
1698 2013-01-16 Ian Lance Taylor <iant@google.com>
1700 * dwarf.c (struct unit): Add filename and abs_filename fields.
1701 (build_address_map): Set new fields when reading unit.
1702 (dwarf_lookup_pc): If we don't find an entry in the line table,
1703 just return the main file name.
1705 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1707 Update copyright years.
1709 2013-01-01 Ian Lance Taylor <iant@google.com>
1712 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1713 $(MULTIBUILDTOP)/../../gcc/include.
1714 * Makefile.in: Rebuild.
1716 2013-01-01 Ian Lance Taylor <iant@google.com>
1719 * mmap.c (backtrace_alloc): Don't call sync functions if not
1721 (backtrace_free): Likewise.
1723 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1725 * mmapio.c: Define MAP_FAILED if not defined.
1727 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1730 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1731 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1732 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1734 * Makefile.in: Regenerated.
1735 * configure: Regenerated.
1737 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1740 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1741 * Makefile.in: Regenerated.
1743 2012-11-20 Ian Lance Taylor <iant@google.com>
1745 * dwarf.c (read_attribute): Always clear val.
1747 2012-11-13 Ian Lance Taylor <iant@google.com>
1750 * configure.ac: Only add -Werror if building a target library.
1751 * configure: Rebuild.
1753 2012-11-12 Ian Lance Taylor <iant@google.com>
1754 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1755 Gerald Pfeifer <gerald@pfeifer.com>
1757 * configure.ac: Check for getexecname.
1758 * fileline.c: #include <errno.h>. Define getexecname if not
1760 (fileline_initialize): Try to find the executable in a few
1762 * print.c (error_callback): Only print the filename if it came
1763 from the backtrace state.
1764 * configure, config.h.in: Rebuild.
1766 2012-10-29 Ian Lance Taylor <iant@google.com>
1768 * mmap.c (backtrace_vector_release): Correct last patch: add
1771 2012-10-29 Ian Lance Taylor <iant@google.com>
1773 * mmap.c (backtrace_vector_release): Make sure freed block is
1774 aligned on 8-byte boundary.
1776 2012-10-26 Ian Lance Taylor <iant@google.com>
1779 * posix.c (backtrace_open): Add does_not_exist parameter.
1780 * elf.c (phdr_callback): Do not warn if shared library could not
1782 * fileline.c (fileline_initialize): Update calls to
1784 * internal.h (backtrace_open): Update declaration.
1786 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1789 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1790 * configure: Regenerate.
1792 2012-10-24 Ian Lance Taylor <iant@google.com>
1795 * configure.ac: Check whether -funwind-tables option works.
1796 * configure: Rebuild.
1798 2012-10-11 Ian Lance Taylor <iant@google.com>
1800 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1801 * configure: Rebuild.
1803 2012-10-10 Ian Lance Taylor <iant@google.com>
1805 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1808 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1810 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1812 2012-10-09 Ian Lance Taylor <iant@google.com>
1814 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1815 (backtrace_dwarf_add): Likewise.
1817 2012-10-09 Ian Lance Taylor <iant@google.com>
1819 Add support for tracing through shared libraries.
1820 * configure.ac: Check for link.h and dl_iterate_phdr.
1821 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1822 ELF macros before #defining them.
1823 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1825 (struct elf_syminfo_data): Add next field.
1826 (elf_initialize_syminfo): Initialize next field.
1827 (elf_add_syminfo_data): New static function.
1828 (elf_add): New static function, broken out of
1829 backtrace_initialize. Call backtrace_dwarf_add instead of
1830 backtrace_dwarf_initialize.
1831 (struct phdr_data): Define.
1832 (phdr_callback): New static function.
1833 (backtrace_initialize): Call elf_add.
1834 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1835 (add_unit_addr): Add base_address parameter. Change all callers.
1836 (add_unit_ranges, build_address_map): Likewise.
1837 (add_line): Add ddata parameter. Change all callers.
1838 (read_line_program, add_function_range): Likewise.
1839 (dwarf_lookup_pc): New static function, broken out of
1841 (dwarf_fileline): Call dwarf_lookup_pc.
1842 (build_dwarf_data): New static function.
1843 (backtrace_dwarf_add): New function.
1844 (backtrace_dwarf_initialize): Remove.
1845 * internal.h (backtrace_dwarf_initialize): Don't declare.
1846 (backtrace_dwarf_add): Declare.
1847 * configure, config.h.in: Rebuild.
1849 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1851 * btest.c (f23): Avoid uninitialized variable warning.
1853 2012-10-04 Ian Lance Taylor <iant@google.com>
1855 * dwarf.c: If the system header files do not declare strnlen,
1856 provide our own version.
1858 2012-10-03 Ian Lance Taylor <iant@google.com>
1860 * dwarf.c (read_uleb128): Fix overflow test.
1861 (read_sleb128): Likewise.
1862 (build_address_map): Don't change unit_buf.start.
1864 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
1867 * configure.ac (EXTRA_FLAGS): New.
1868 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1869 * configure, Makefile.in: Regenerate.
1871 2012-09-29 Ian Lance Taylor <iant@google.com>
1874 * fileline.c (fileline_initialize): Pass errnum as -1 when
1875 reporting that we could not read executable information after a
1878 2012-09-27 Ian Lance Taylor <iant@google.com>
1881 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1882 * Makefile.am: Add dependencies for all objects.
1883 * configure, aclocal.m4, Makefile.in: Rebuild.
1885 2012-09-27 Ian Lance Taylor <iant@google.com>
1888 * elf.c (backtrace_initialize): Set *fileln_fn, not
1891 2012-09-19 Ian Lance Taylor <iant@google.com>
1893 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1894 as a target library.
1895 * configure: Rebuild.
1897 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1898 Ian Lance Taylor <iant@google.com>
1900 * configure.ac (GCC_HEADER_STDINT): Invoke.
1901 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1902 * btest.c: Don't include <stdint.h>.
1903 * dwarf.c: Likewise.
1904 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1906 2012-09-18 Ian Lance Taylor <iant@google.com>
1909 * Makefile.am (AM_CPPFLAGS): Define.
1910 (AM_CFLAGS): Remove -I options.
1911 * Makefile.in: Rebuild.
1913 2012-09-18 Ian Lance Taylor <iant@google.com>
1915 * posix.c (O_BINARY): Define if not defined.
1916 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
1917 HAVE_FCNTL is defined.
1918 * configure.ac: Test for the fcntl function.
1919 * configure, config.h.in: Rebuild.
1921 2012-09-18 Ian Lance Taylor <iant@google.com>
1923 * btest.c (test1, test2, test3, test4): Add the unused attribute.
1925 2012-09-18 Ian Lance Taylor <iant@google.com>
1927 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1929 2012-09-18 Ian Lance Taylor <iant@google.com>
1931 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1932 * mmapio.c: Don't define _GNU_SOURCE.
1933 * configure, config.h.in: Rebuild.
1935 2012-09-18 Ian Lance Taylor <iant@google.com>
1937 * configure.ac: Check whether strnlen is declared.
1938 * dwarf.c: Declare strnlen if not declared.
1939 * configure, config.h.in: Rebuild.
1941 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1943 * fileline.c: Include <stdlib.h>.
1946 2012-09-17 Ian Lance Taylor <iant@google.com>
1949 * nounwind.c (backtrace_full): Rename from backtrace. Add state
1952 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
1955 * nounwind.c (backtrace_simple): Add state parameter.
1957 2012-09-17 Ian Lance Taylor <iant@google.com>
1960 * unknown.c (unknown_fileline): Add state parameter, remove
1961 fileline_data parameter, name error_callback parameter.
1962 (backtrace_initialize): Add state parameter.
1964 2012-09-17 Ian Lance Taylor <iant@google.com>
1966 * Initial implementation.
1968 Copyright (C) 2012-2023 Free Software Foundation, Inc.
1970 Copying and distribution of this file, with or without modification,
1971 are permitted in any medium without royalty provided the copyright
1972 notice and this notice are preserved.