1 2024-08-05 Ian Lance Taylor <iant@golang.org>
3 * configure.ac (ACX_PROG_CC_WARNING_OPTS): Add -Wpointer-arith.
4 * pecoff.c (coff_add): Cast void pointers.
5 * xcoff.c (xcoff_add): Likewise.
6 * configure: Regenerate.
8 2024-07-30 Ian Lance Taylor <iant@golang.org>
10 * pecoff.c (LDR_DLL_NOTIFICATION): Put function modifier
12 (LDR_REGISTER_FUNCTION): Likewise.
14 2024-07-18 Ian Lance Taylor <iant@golang.org>
16 * internal.h: Use __has_attribute to check for fallthrough
18 * elf.c (elf_zstd_decompress): Use ATTRIBUTE_FALLTHROUGH rather
19 than a FALLTHROUGH comment.
21 2024-07-18 Ian Lance Taylor <iant@golang.org>
23 * print.c (print_syminfo_callback): Add cast to avoid warning.
25 2024-07-18 Ian Lance Taylor <iant@golang.org>
27 * print.c (print_syminfo_callback): New static function.
28 (print_callback): Call backtrace_syminfo if there is no function
31 2024-07-18 Ian Lance Taylor <iant@golang.org>
33 * README: Add notes about dl_iterate_phdr.
35 2024-07-17 Ian Lance Taylor <iant@golang.org>
37 * xcoff.c (struct xcoff_fileline_data): Change base_address field
38 to struct libbacktrace_base_address.
39 (xcoff_initialize_syminfo): Change base_address to struct
40 libbacktrace_base_address. Use libbacktrace_add_base.
41 (xcoff_initialize_fileline): Likewise.
42 (xcoff_lookup_pc): Use libbacktrace_add_base.
43 (xcoff_add): Change base_address to struct
44 libbacktrace_base_address.
45 (xcoff_armem_add, xcoff_add_shared_libs): Likewise.
46 (backtrace_initialize): Likewise.
47 * Makefile.am (xcoff.lo): Remove unused target.
48 (xcoff_32.lo, xcoff_64.lo): New targets.
49 * Makefile.in: Regenerate.
51 2024-07-16 Ian Lance Taylor <iant@golang.org>
53 * internal.h: If FDPIC, #include <link.h> and/or <sys/link.h>.
54 (libbacktrace_using_fdpic): Define.
55 (struct libbacktrace_base_address): Define.
56 (libbacktrace_add_base): Define.
57 (backtrace_dwarf_add): Change base_address to struct
58 libbacktrace_base_address.
59 * dwarf.c (struct dwarf_data): Change base_address to struct
60 libbacktrace_base_address.
61 (add_ranges, find_address_ranges, build_ddress_map): Likewise.
62 (build_dwarf_data, build_dwarf_add): Likewise.
63 (add_low_high_range): Change base_address to struct
64 libbacktrace_base_address. Use libbacktrace_add_base.
65 (add_ranges_from_ranges, add_ranges_from_rnglists): Likewise.
66 (add_line): Use libbacktrace_add_base.
67 * elf.c (elf_initialize_syminfo): Change base_address to struct
68 libbacktrace_base_address. Use libbacktrace_add_base.
69 (elf_add): Change base_address to struct
70 libbacktrace_base_address.
71 (phdr_callback): Likewise. Initialize base_address.m.
72 (backtrace_initialize): If using FDPIC, don't call elf_add with
73 main executable; always use dl_iterate_phdr.
74 * macho.c (macho_add_symtab): Change base_address to struct
75 libbacktrace_base_address. Use libbacktrace_add_base.
76 (macho_syminfo): Change base_address to struct
77 libbacktrace_base_address.
78 (macho_add_fat, macho_add_dsym, macho_add): Likewise.
79 (backtrace_initialize): Likewise. Initialize base_address.m.
80 * pecoff.c (coff_initialize_syminfo): Change base_address to
81 struct libbacktrace_base_address. Use libbacktrace_add_base.
82 (coff_add): Change base_address to struct
83 libbacktrace_base_address. Initialize base_address.m.
85 2024-07-12 Ian Lance Taylor <iant@golang.org>
87 * elf.c (elf_add): Don't use .gnu_debugdata if we are already
88 reading a debuginfo file.
89 * Makefile.am (m2test_*): New test targets.
90 (CHECK_PROGRAMS): Add m2test.
91 (MAKETESTS): Add m2test_minidebug2.
92 (%_minidebug2): New pattern.
93 (CLEANFILES): Remove minidebug2 files.
94 * Makefile.in: Regenerate.
96 2024-07-12 Ian Lance Taylor <iant@golang.org>
98 * btest.c (test5): Don't fail if symbol size is 0.
99 * mtest.c (test5): Likewise.
101 2024-07-12 Ian Lance Taylor <iant@golang.org>
103 * macho.c (MACH_O_N_EXT): Don't define.
104 (MACH_O_N_UNDF): Define.
105 (macho_defined_symbol): Don't discard N_EXT symbols. Do
106 discard N_UNDF symbols.
108 2024-07-11 Ian Lance Taylor <iant@golang.org>
110 * btest.c (test1, test3): Add optnone attribute.
111 * edtest.c (test1): Likewise.
112 * mtest.c (test1, test3): Likewise.
113 * configure.ac: Use -Wno-attributes and -Wno-unknown-attributes.
114 * configure: Regenerate.
116 2024-07-11 Ian Lance Taylor <iant@golang.org>
118 * elf.c (elf_nodebug): Suggest -g.
119 * macho.c (macho_nodebug): Suggest -g and dsymutil.
120 * pecoff.c (coff_nodebug): Suggest -g.
122 2024-07-11 Ian Lance Taylor <iant@golang.org>
124 * dwarf.c: Remove trailing whitespace.
127 2024-06-16 Ian Lance Taylor <iant@golang.org>
129 * elf.c (elf_fetch_bits_backward) Don't fail if no bits are
132 2024-05-03 Ian Lance Taylor <iant@golang.org>
134 * pecoff.c (struct dll_notification_data): Define.
135 (LDR_DLL_NOTIFICATION): New typedef.
136 (LDR_REGISTER_FUNCTION): New typedef.
137 (struct dll_notification_context): Define.
138 (dll_notification): New static function.
139 (backtrace_initialize): Register DLL notification.
141 2024-04-28 Ian Lance Taylor <iant@golang.org>
143 * configure.ac: Checked for tlhelp32.h
144 * pecoff.c: Include <tlhelp32.h> if available.
145 (backtrace_initialize): Use tlhelp32 api for a snapshot to
146 detect loaded modules.
147 (coff_add): New argument for the module handle of the file,
148 to get the base address.
149 * configure, config.h.in: Regenerate.
151 2024-04-23 Ian Lance Taylor <iant@golang.org>
153 * configure.ac: Test --compress-debug-sections=zlib-gnu and
154 --compress-debug-sections=zlib-gabi separately, setting new
155 automake conditionals.
156 * Makefile.am (ctestg, ctestg_alloc): Only build if
157 HAVE_COMPRESSED_DEBUG_ZLIB_GNU.
158 (ctesta, ctesta_alloc): Only build if
159 HAVE_COMPRESSED_DEBUG_ZLIB_GABI.
160 (ctestzstd_alloc): New test if HAVE_COMPRESSED_DEBUG_ZSTD.
161 * configure, Makefile.in: Regenerate.
163 2024-03-08 Ian Lance Taylor <iant@golang.org>
165 * elf.c (elf_uncompress_chdr): Don't assume compressed section is
168 2024-03-02 Ian Lance Taylor <iant@golang.org>
170 * Makefile.am (libbacktrace_testing_ldflags): Define.
171 (*_LDFLAGS): Add $(libbacktrace_testing_ldflags) for test
173 * Makefile.in: Regenerate
175 2024-03-02 Ian Lance Taylor <iant@golang.org>
177 * elf.c (elf_uncompress_lzma_block): Skip all header padding bytes
178 and verify that they are zero.
180 2024-03-02 Ian Lance Taylor <iant@golang.org>
182 PR libbacktrace/114201
183 * elf.c (elf_add): Add caller_opd parameter. Change all callers.
184 Release opd data after all recursive calls.
186 2024-03-01 Ian Lance Taylor <iant@golang.org>
188 * elf.c (elf_add): Add the symbol table from a debuginfo file.
189 * Makefile.am (MAKETESTS): Add buildidfull and gnudebuglinkfull
190 variants of buildid and gnudebuglink tests.
191 (%_gnudebuglinkfull, %_buildidfull): New patterns.
192 * Makefile.in: Regenerate.
194 2023-11-30 Ian Lance Taylor <iant@golang.org>
196 * pecoff.c: Include <windows.h> if available.
197 (coff_add): On Windows call GetModuleHandle to get base address.
199 2023-11-29 Ian Lance Taylor <iant@golang.org>
201 * fileline.c: Include <windows.h> if available.
202 (windows_get_executable_path): New static function.
203 (fileline_initialize): Call windows_get_executable_path.
204 * configure.ac: Checked for windows.h
205 * configure: Regenerate.
206 * config.h.in: Regenerate.
208 2023-10-22 Iain Sandoe <iain@sandoe.co.uk>
210 * configure: Regenerate.
211 * configure.ac: Handle Darwin rpaths.
213 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
215 * configure: Regenerate.
217 2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
219 * configure: Regenerate.
221 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
223 * configure: Regenerate.
225 2023-08-07 Nick Alcock <nick.alcock@oracle.com>
227 * configure: Regenerate.
229 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
231 * configure: Regenerate.
233 2023-08-07 H.J. Lu <hjl.tools@gmail.com>
235 * configure: Regenerate.
237 2023-08-03 Richard Biener <rguenther@suse.de>
239 * zstdtest.c (test_samples): Properly compute the allocation
240 size for the uncompressed data.
242 2023-07-31 Ian Lance Taylor <iant@golang.org>
244 * configure.ac: Check for _pgmptr declaration.
245 * fileline.c (fileline_initialize): Check for _pgmfptr before
247 * configure, config.h.in: Regenerate.
249 2023-03-28 Ian Lance Taylor <iant@golang.org>
251 * elf.c (elf_zstd_read_fse): Call elf_fetch_bits after reading
252 bits, not before. Add unlikely for error case.
253 (elf_zstd_offset_table): Regenerate.
254 (elf_zstd_read_huff): Clear 13 entries in weight_mark, not 12.
255 (elf_zstd_read_literals): For a single stream adjust by
256 total_streams_size, not compressed_size.
258 2023-01-20 Ian Lance Taylor <iant@golang.org>
260 * dwarf.c (struct function_addrs): Change low and high fields to
262 (struct unit_addrs): Likewise.
263 (resolve_addr_index): Change address parameter to uintptr_t*.
264 (add_unit_addr): Change lowpc and highpc parameters to uintptr_t.
265 (add_function_range): Likewise.
266 (struct pcrange): Change lowpc and highpc fields to uintptr_t.
267 (add_low_high_range): Change add_range lowpc and highpc parameters
269 (add_ranges_from_ranges): Likewise.
270 (add_ranges_from_rnglists): Likewise.
271 (add_low_high_range): Chnage lowpc and highpc variables to
273 (add_ranges_from_rnglists): Change some local variables to
275 (add_ranges_from_ranges): Change base parameter to uintptr_t.
276 (add_ranges_from_rnglists): Likewise.
277 (read_function_entry): Likewise.
278 (resolve_addr_index): Add explicit casts to uintptr_t.
279 (update_pcrange): Likewise.
280 (add_ranges_from_ranges): Likewise.
281 (add_ranges_from_rnglists): Likewise.
282 (read_function_entry): Likewise.
284 2023-01-17 Martin Liska <mliska@suse.cz>
286 * Makefile.in: Regenerate.
288 2023-01-06 Ian Lance Taylor <iant@golang.org>
290 PR libbacktrace/108297
291 * configure.ac: Test whether linker supports --build-id.
292 * Makefile.am: Only run --build-id tests if supported.
293 * configure, Makefile.in: Regenerate.
295 2022-12-17 Ian Lance Taylor <iant@golang.org>
297 * elf.c (elf_fetch_backward_init): New static function.
298 (ZSTD_TABLE_SIZE): Use huffman scratch space size rather than
300 (ZSTD_TABLE_WORK_LIT_SIZE): Don't define.
301 (elf_zstd_read_huff): Use elf_fetch_backward_init.
302 (elf_zstd_read_literals): New static function.
303 (ZSTD_LIT_RAW, ZSTD_LIT_RLE, ZSTD_LIT_HUFF): Don't define.
304 (struct elf_zstd_literals): Don't define.
305 (elf_zstd_literal_output): Remove static function.
306 (elf_zstd_decompress): Use elf_fetch_backward_init and
307 elf_zstd_read_literals. Rewrite literal copying.<
309 2022-12-10 Ian Lance Taylor <iant@golang.org>
311 * elf.c (ZSTD_TABLE_*): Use elf_zstd_fse_baseline_entry.
312 (ZSTD_ENCODE_BASELINE_BITS): Define.
313 (ZSTD_DECODE_BASELINE, ZSTD_DECODE_BASEBITS): Define.
314 (elf_zstd_literal_length_base): New static const array.
315 (elf_zstd_match_length_base): Likewise.
316 (struct elf_zstd_fse_baseline_entry): Define.
317 (elf_zstd_make_literal_baseline_fse): New static function.
318 (elf_zstd_make_offset_baseline_fse): Likewise.
319 (elf_zstd_make_match_baseline_fse): Likewise.
320 (print_table, main): Use elf_zstd_fse_baseline_entry.
321 (elf_zstd_lit_table, elf_zstd_match_table): Likewise.
322 (elf_zstd_offset_table): Likewise.
323 (struct elf_zstd_seq_decode): Likewise. Remove use_rle and rle
325 (elf_zstd_unpack_seq_decode): Use elf_zstd_fse_baseline_entry,
326 taking a conversion function. Convert RLE to FSE.
327 (elf_zstd_literal_length_baseline): Remove.
328 (elf_zstd_literal_length_bits): Remove.
329 (elf_zstd_match_length_baseline): Remove.
330 (elf_zstd_match_length_bits): Remove.
331 (elf_zstd_decompress): Use elf_zstd_fse_baseline_entry. Rewrite
332 and simplify main loop.
334 2022-12-08 Ian Lance Taylor <iant@golang.org>
336 * configure.ac: Check for zstd library and
337 --compress-debug-sections=zstd linker option.
338 * Makefile.am (zstdtest_*): New targets.
339 (zstdtest_alloc_*, ctestzstd_*): New targets.
340 (BUILDTESTS): Add zstdtest, zstdtest_alloc, ctestzstd as
342 * elf.c (ELFCOMPRESS_ZSTD): Define.
343 (elf_fetch_bits): Rename from elf_zlib_fetch. Update uses.
344 (elf_fetch_bits_backward): New static function.
345 (ZLIB_HUFFMAN_*): Rename from HUFFMAN_*. Update uses.
346 (ZLIB_TABLE_*): Rename from ZDEBUG_TABLE_*. Update uses.
347 (ZSTD_TABLE_*): Define.
348 (struct elf_zstd_fse_entry): Define.
349 (elf_zstd_read_fse): New static function.
350 (elf_zstd_build_fse): Likewise.
351 (lit): Define if BACKTRACE_GENERATE_ZSTD_FSE_TABLES.
352 (match, offset, next, print_table, main): Likewise.
353 (elf_zstd_lit_table): New static const array.
354 (elf_zstd_match_table, elf_zstd_offset_table): Likewise.
355 (elf_zstd_read_huff): New static function.
356 (struct elf_zstd_seq_decode): Define.
357 (elf_zstd_unpack_seq_decode): New static function.
358 (ZSTD_LIT_*): Define.
359 (struct elf_zstd_literals): Define.
360 (elf_zstd_literal_output): New static function.
361 (ZSTD_LITERAL_LENGTH_BASELINE_OFFSET): Define.
362 (elf_zstd_literal_length_baseline): New static const array.
363 (elf_zstd_literal_length_bits): Likewise.
364 (ZSTD_MATCH_LENGTH_BASELINE_OFFSET): Define.
365 (elf_zstd_match_length_baseline): New static const array.
366 (elf_zstd_match_length_bits): Likewise.
367 (elf_zstd_decompress): New static function.
368 (ZDEBUG_TABLE_SIZE): New definition.
369 (elf_uncompress_chdr): Support ELF_COMPRESS_ZSTD.
370 (backtrace_uncompress_zstd): New function.
371 (elf_add): Use ZLIB_TABLE_SIZE for zlib-gnu sections.
372 * internal.h (backtrace_uncompress_zstd): Declare.
373 * zstdtest.c: New file.
374 * configure, config.h.in, Makefile.in: Regenerate.
376 2022-10-12 Martin Liska <mliska@suse.cz>
378 * configure: Regenerate.
380 2022-10-11 Olivier Hainque <hainque@adacore.com>
381 Olivier Hainque <hainque@adacore.com>
383 * configure: Regenerate.
385 2022-07-08 Ian Lance Taylor <iant@golang.org>
387 * configure.ac: Check for sys/link.h. Use either link.h or
388 sys/link.h when checking for dl_iterate_phdr.
389 * elf.c: Include sys/link.h if available.
390 * configure, config.h.in: Regenerate.
392 2022-07-07 Ian Lance Taylor <iant@golang.org>
394 * macho.c (backtrace_initialize) [HAVE_MACH_O_DYLD_H]: Don't exit
395 loop if we can't find debug info for one shared library.
397 2022-07-07 Ian Lance Taylor <iant@golang.org>
399 * Makefile.am (MAKETESTS): New variable split out of TESTS.
400 (CLEANFILES): Replace TESTS with BUILDTESTS and MAKETESTS.
401 * Makefile.in: Regenerate.
403 2022-06-27 Ian Lance Taylor <iant@golang.org>
405 * configure.ac: Use grep instead of fgrep.
406 * configure, Makefile.in: Regenerate.
408 2022-05-28 Ian Lance Taylor <iant@golang.org>
410 PR libbacktrace/105721
413 2022-04-05 Ian Lance Taylor <iant@golang.org>
415 * elf.c (elf_zlib_inflate): Don't skip initial aligned byte in
418 2022-02-17 Ian Lance Taylor <iant@golang.org>
420 * dwarf.c (find_address_ranges): Handle skeleton units.
421 (read_function_entry): Likewise.
423 2022-02-16 Ian Lance Taylor <iant@golang.org>
425 * dwarf.c (build_address_map): Initialize DWARF 5 fields of unit.
427 2022-02-03 David Seifert <soap@gentoo.org>
428 Jakub Jelinek <jakub@redhat.com>
430 * configure.ac: Support --disable-werror.
431 * configure: Regenerate.
433 2021-12-28 Francois-Xavier Coudert <fxcoudert@gmail.com>
435 PR libbacktrace/103822
436 * Makefile.am: Fix newline.
437 * Makefile.in: Regenerate.
439 2021-11-12 Martin Liska <mliska@suse.cz>
441 PR libbacktrace/103167
442 * elf.c (elf_uncompress_lzma_block): Cast to unsigned int.
443 (elf_uncompress_lzma): Likewise.
444 * xztest.c (test_samples): memcpy only if v > 0.
446 2021-10-22 Martin Liska <mliska@suse.cz>
449 * btest.c (MIN_DESCRIPTOR): New.
450 (MAX_DESCRIPTOR): Likewise.
451 (check_available_files): Likewise.
452 (check_open_files): Check only file descriptors that
453 were not available at the entry.
454 (main): Call check_available_files.
456 2021-08-13 Sergei Trofimovich <siarheit@google.com>
458 * install-debuginfo-for-buildid.sh.in: Force non-localized readelf
461 2021-06-28 Clément Chigot <clement.chigot@atos.net>
463 * xcoff.c (SSUBTYP_DWRNGES): New define.
464 (xcoff_add): Use correct XCOFF DWARF section subtype
465 for DEBUG_RANGES. Remove lineoff workaround.
467 (xcoff_initialize_syminfo): Adapt to new base_address.
468 (xcoff_lookup_pc): Likewise.
469 (xcoff_initialize_fileline): Likewise.
471 2021-05-03 H.J. Lu <hjl.tools@gmail.com>
474 * configure: Regenerated.
476 2021-03-03 Ian Lance Taylor <iant@golang.org>
478 * dwarf.c (read_line_program): Don't special case file 0.
479 (read_function_entry): Likewise.
481 2021-03-02 Ian Lance Taylor <iant@golang.org>
483 PR libbacktrace/98818
484 * dwarf.c (dwarf_buf_error): Add errnum parameter. Change all
486 * backtrace.h: Update backtrace_error_callback comment.
488 2021-02-12 Ian Lance Taylor <iant@golang.org>
490 * configure.ac: Check for objcopy --add-gnu-debuglink by using
492 * configure: Regenerate
494 2021-01-18 Ian Lance Taylor <iant@golang.org>
496 * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
497 * Makefile.in: Regenerate.
498 * configure: Regenerate.
500 2021-01-18 Ian Lance Taylor <iant@golang.org>
503 * dwarf.c (read_v2_paths): Allocate zero entry for dirs and
505 (read_line_program): Remove parameter u, change caller. Don't
506 subtract one from dirs and filenames index.
507 (read_function_entry): Don't subtract one from filenames index.
509 2021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org>
511 * configure: Re-generate.
513 2020-12-05 Iain Sandoe <iain@sandoe.co.uk>
516 * configure: Regenerate.
518 2020-12-02 Ian Lance Taylor <iant@golang.org>
520 * dwarf.c (resolve_string): Use > rather than >= to check whether
521 string index extends past buffer.
522 (resolve_addr_index): Similarly for address index.
524 2020-11-29 John David Anglin <danglin@gcc.gnu.org>
526 * configure: Regenerate.
528 2020-10-20 Ian Lance Taylor <iant@golang.org>
530 * internal.h (ATTRIBUTE_FALLTHROUGH): Define.
531 * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
533 2020-09-28 Ian Lance Taylor <iant@golang.org>
535 PR libbacktrace/97082
536 * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
537 * Makefile.in: Regenerate.
539 2020-09-28 Ian Lance Taylor <iant@golang.org>
541 PR libbacktrace/97227
542 * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
543 * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
544 * configure: Regenerate.
545 * Makefile.in: Regenerate.
547 2020-09-23 Ian Lance Taylor <iant@golang.org>
549 * dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
551 (dwarf_lookup_pc): Likewise.
553 2020-09-17 Ian Lance Taylor <iant@golang.org>
555 PR libbacktrace/97080
556 * fileline.c (backtrace_syminfo_to_full_callback): New function.
557 (backtrace_syminfo_to_full_error_callback): New function.
558 * elf.c (elf_nodebug): Call syminfo_fn if possible.
559 * internal.h (struct backtrace_call_full): Define.
560 (backtrace_syminfo_to_full_callback): Declare.
561 (backtrace_syminfo_to_full_error_callback): Declare.
562 * mtest.c (f3): Only check all[i] if data.index permits.
564 2020-09-16 Iain Sandoe <iain@sandoe.co.uk>
566 * macho.c (MACH_O_CPU_TYPE_PPC): New.
567 (MACH_O_CPU_TYPE_PPC64): New.
568 Add compile-tests for powerpc to the Mach-O variants.
570 2020-09-14 Ian Lance Taylor <iant@golang.org>
572 PR libbacktrace/93608
573 Add support for MiniDebugInfo.
574 * elf.c (struct elf_view): Define. Replace most uses of
575 backtrace_view with elf_view.
576 (elf_get_view): New static functions. Replace most calls of
577 backtrace_get_view with elf_get_view.
578 (elf_release_view): New static functions. Replace most calls of
579 backtrace_release_view with elf_release_view.
580 (elf_uncompress_failed): Rename from elf_zlib_failed. Change all
582 (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
583 (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
584 (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
585 (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
586 (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
587 (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
588 (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
589 (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
590 (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
591 (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
592 (LZMA_PROB_DIST_ALIGN_LEN): Define.
593 (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
594 (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
595 (LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
596 (LZMA_PROB_MATCH_LEN_MID_LEN): Define.
597 (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
598 (LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
599 (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
600 (LZMA_PROB_REP_LEN_LOW_LEN): Define.
601 (LZMA_PROB_REP_LEN_MID_LEN): Define.
602 (LZMA_PROB_REP_LEN_HIGH_LEN): Define.
603 (LZMA_PROB_LITERAL_LEN): Define.
604 (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
605 (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
606 (LZMA_PROB_IS_REP2_OFFSET): Define.
607 (LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
608 (LZMA_PROB_DIST_SLOT_OFFSET): Define.
609 (LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
610 (LZMA_PROB_DIST_ALIGN_OFFSET): Define.
611 (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
612 (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
613 (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
614 (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
615 (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
616 (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
617 (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
618 (LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
619 (LZMA_PROB_REP_LEN_MID_OFFSET): Define.
620 (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
621 (LZMA_PROB_LITERAL_OFFSET): Define.
622 (LZMA_PROB_TOTAL_COUNT): Define.
623 (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
624 (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
625 (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
626 (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
627 (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
628 (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
629 (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
630 (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
631 (elf_lzma_varint): New static function.
632 (elf_lzma_range_normalize): New static function.
633 (elf_lzma_bit, elf_lzma_integer): New static functions.
634 (elf_lzma_reverse_integer): New static function.
635 (elf_lzma_len, elf_uncompress_lzma_block): New static functions.
636 (elf_uncompress_lzma): New static function.
637 (backtrace_uncompress_lzma): New function.
638 (elf_add): Add memory and memory_size parameters. Change all
639 callers. Look for .gnu_debugdata section, and, if found,
640 decompress it and use it for symbols and debug info. Permit the
641 descriptor parameter to be -1.
642 * internal.h (backtrace_uncompress_lzma): Declare.
644 * xztest.c: New file.
645 * configure.ac: Check for nm, xz, and comm programs. Check for
647 (HAVE_MINIDEBUG): Define.
648 * Makefile.am (mtest_SOURCES): Define.
649 (mtest_CFLAGS, mtest_LDADD): Define.
650 (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
651 (%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
652 (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
653 (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
654 (xztest_alloc_LDADD): Define.
655 (BUILDTESTS): Add mtest, xztest, xztest_alloc.
656 (CLEANFILES): Add files created by minidebug pattern.
657 (btest.lo): Correct INCDIR reference.
658 (mtest.lo, xztest.lo, ztest.lo): New targets.
659 * configure: Regenerate.
660 * config.h.in: Regenerate.
661 * Makefile.in: Regenerate.
663 2020-09-09 Ian Lance Taylor <iant@golang.org>
665 * pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
666 (coff_add): Determine and pass is_64.
668 2020-09-09 Ian Lance Taylor <iant@golang.org>
670 PR libbacktrace/96973
671 * fileline.c (macho_get_executable_path): New static function.
672 (fileline_initialize): Call macho_get_executable_path.
674 2020-09-09 Ian Lance Taylor <iant@golang.org>
676 * dwarf.c (function_addrs_search): Compare against the next entry
677 low address, not the high address.
678 (unit_addrs_search): Likewise.
679 (build_address_map): Add a trailing unit_addrs.
680 (read_function_entry): Add a trailing function_addrs.
681 (read_function_info): Likewise.
682 (report_inlined_functions): Search backward for function_addrs
684 (dwarf_lookup_pc): Search backward for unit_addrs and
685 function_addrs matches.
687 2020-09-08 Ian Lance Taylor <iant@golang.org>
689 * simple.c (simple_unwind): Correct comment spelling.
691 2020-09-08 Ian Lance Taylor <iant@golang.org>
693 * macho.c (macho_add_dsym): Make space for '/' in dsym. Use
694 correct length when freeing diralc.
696 2020-09-08 Ian Lance Taylor <iant@golang.org>
698 PR libbacktrace/96973
699 * macho.c (macho_add_fat): Correctly swap 32-bit file offset.
701 2020-09-08 Ian Lance Taylor <iant@golang.org>
703 PR libbacktrace/96971
704 * filetype.awk: Only match magic number at start of line.
706 2020-08-24 Ian Lance Taylor <iant@golang.org>
708 * macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
709 (MACH_O_MH_CIGAM_FAT_64): Define.
710 (struct macho_fat_arch_64): Define.
711 (macho_add_fat): Add and use is_64 parameter.
712 (macho_add): Recognize 64-bit fat files.
714 2020-07-30 H.J. Lu <hjl.tools@gmail.com>
717 * configure: Regenerated.
719 2020-07-08 Ian Lance Taylor <iant@golang.org>
721 * configure.ac: Test linker support for DWARF5
722 * configure: Regenerate
724 2020-05-29 H.J. Lu <hjl.tools@gmail.com>
727 * configure: Regenerated.
729 2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
732 * configure: Regenerated.
734 2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
736 * configure: Regenerated.
738 2020-05-13 Ian Lance Taylor <iant@golang.org>
740 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
742 2020-05-13 Ian Lance Taylor <iant@golang.org>
745 * posix.c (backtrace_open): Treat EACCESS like ENOENT.
747 2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
749 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
750 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
751 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't
753 * Makefile.in: Regenerated.
754 * configure: Likewise.
756 2020-05-11 Ian Lance Taylor <iant@golang.org>
758 PR libbacktrace/95012
759 * configure.ac: Check for getpagesize declaration.
760 * mmap.c: Declare getpagesize if necessary.
761 * mmapio.c: Likewise.
762 * configure: Regenerate.
763 * config.h.in: Regenerate.
764 * Makefile.in: Regenerate.
766 2020-05-09 Roland McGrath <mcgrathr@google.com>
768 * elf.c (elf_add): Bail early if there are no section headers at all.
770 2020-05-09 Ian Lance Taylor <iant@golang.org>
772 * elf.c (elf_add): Don't free strtab if an error occurs after
773 recording symbol information.
775 2020-05-09 Ian Lance Taylor <iant@golang.org>
777 PR libbacktrace/88745
779 * filetype.awk: Recognize Mach-O files.
780 * Makefile.am (FORMAT_FILES): Add macho.c.
781 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL.
782 (%.dSYM): New pattern target.
783 (test_macho_SOURCES, test_macho_CFLAGS): New targets.
784 (test_macho_LDADD): New target.
785 (BUILDTESTS): Add test_macho.
786 (macho.lo): Add dependencies.
787 * configure.ac: Recognize macho file type. Check for
788 mach-o/dyld.h. Don't try to run objcopy if we don't find it.
789 Look for dsymutil and define a HAVE_DSYMUTIL conditional.
790 * Makefile.in: Regenerate.
791 * configure: Regenerate.
792 * config.h.in: Regenerate.
794 2020-05-09 Ian Lance Taylor <iant@golang.org>
796 * read.c (backtrace_get_view): Support short read.
798 2020-05-09 Ian Lance Taylor <iant@golang.org>
800 * elf.c (elf_add): If debug sections are very large or far apart,
801 read them individually rather than as a single view.
803 2020-05-08 Ian Lance Taylor <iant@golang.org>
805 * fileline.c (sysctl_exec_name): New static function.
806 (sysctl_exec_name1): New macro or static function.
807 (sysctl_exec_name2): Likewise.
808 (fileline_initialize): Try sysctl_exec_name[12].
809 * configure.ac: Check for sysctl args to fetch executable name.
810 * configure: Regenerate.
811 * config.h.in: Regenerate.
813 2020-02-15 Ian Lance Taylor <iant@golang.org>
815 * ztest.c (test_large): Update file to current libgo test file.
817 2020-02-03 Ian Lance Taylor <iant@golang.org>
819 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
820 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
821 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
822 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
823 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
824 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
825 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
826 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
827 (stest_alloc_CFLAGS): Likewise.
828 * Makefile.in: Regenerate.
829 * ztest.c (error_callback_compress): Mark vdata unused.
830 (test_large): Add casts to avoid warnings.
832 2020-01-01 Jakub Jelinek <jakub@redhat.com>
834 Update copyright years.
836 2019-12-13 Ian Lance Taylor <iant@golang.org>
839 * dwarf.c (struct attr): Add val field.
840 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
841 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
842 (struct line_header): Add addrsize field.
843 (struct line_header_format): Define.
844 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
846 (read_uint24): New static function.
847 (read_attribute): Add implicit_val parameter. Replace dwarf_str
848 and dwarf_str_size parameters with dwarf_sections parameter. Add
849 support for new DWARF 5 forms. Change all callers.
850 (resolve_string): New static function.
851 (resolve_addr_index): Likewise.
852 (read_abbrevs): Support DW_FORM_implicit_const.
853 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
854 and ranges_is_index fields.
855 (update_pcrange): Support DWARF 5 encodings.
856 (add_high_low_range): New static function, split out of
858 (add_ranges_from_ranges): Likewise.
859 (add_ranges_from_rnglists): New static function.
860 (add_ranges): Just call new helper functions.
861 (find_address_ranges): Use resolve_string for strings, after
862 reading all attributes. Handle new DWARF 5 attributes.
863 (build_address_map): Support DWARF 5 compilation units.
864 (read_v2_paths): New static function, split out of
866 (read_lnct): New static function.
867 (read_line_header_format_entries): Likewise.
868 (read_line_header): Add ddata parameter. Support DWARF 5 line
869 headers. Call new helper functions. Change all callers.
870 (read_line_program): Use addrsize from line program header. Don't
871 special case directory index 0 for DWARF 5.
872 (read_referenced_name): Use resolve_string.
873 (read_function_entry): Handle DWARF 5 encodings. Use
875 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
876 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
877 * elf.c (dwarf_section_names): Add new section names.
878 * pecoff.c (dwarf_section_names): Likewise.
879 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
881 * configure.ac: Define HAVE_DWARF5 automake conditional.
882 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
883 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
884 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
885 (dwarf5_alloc_LDADD): Likewise.
886 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
887 (CLEANFILES, clean-local): Define.
889 2019-12-08 Ian Lance Taylor <iant@golang.org>
891 * dwarf.c (struct pcrange): Define.
892 (update_pcrange, add_ranges): New static functions.
893 (add_unit_addr): Change signature to work with add_ranges. Don't
894 add base_address here.
895 (add_unit_ranges): Remove.
896 (find_address_ranges): Replace str/ranges parameters with
897 dwarf_sections. Use update_pcrange and add_ranges. Change all
899 (add_function_range): Change signature to work with add_ranges.
900 Don't add base_address here.
901 (add_function_ranges): Remove.
902 (read_function_entry): Use update_pcrange and add_ranges.
904 2019-12-04 Ian Lance Taylor <iant@golang.org>
906 * edtest.c (test1): Add noclone attribute.
908 2019-12-04 Ian Lance Taylor <iant@golang.org>
910 * internal.h (enum dwarf_section): Define.
911 (struct dwarf_sections): Define.
912 (backtrace_dwarf_add): Update declaration to replace specific
913 section parameters with dwarf_sections parameter.
914 * dwarf.c (struct dwarf_data): Replace specific section fields
915 with dwarf_sections field.
916 (read_attribute): Use dwarf_sections with altlink.
917 (build_address_map): Replace specific section parameters with
918 dwarf_sections parameter. Change all callers.
919 (read_line_info): Use dwarf_sections with ddata.
920 (read_referenced_name): Likewise.
921 (add_function_ranges): Likewise.
922 (read_function_entry): Likewise.
923 (read_function_info): Likewise.
924 (build_dwarf_data): Replace specific section parameters with
925 dwarf_sections parameter. Change all callers.
926 (backtrace_dwarf_add): Likewise.
927 * elf.c (enum debug_section): Remove.
928 (dwarf_section_names): Remove .zdebug names.
929 (elf_add): Track zsections separately. Build dwarf_sections.
930 * pecoff.c (enum debug_section): Remove.
931 (struct debug_section_info): Remove data field.
932 (coff_add): Build dwarf_sections.
933 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
934 references with DEBUG_xxx references.
935 (xcoff_add): Build dwarf_sections.
937 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
939 * configure: Regenerate.
941 2019-09-26 Ian Lance Taylor <iant@golang.org>
943 PR libbacktrace/91908
944 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
945 __sync_bool_compare_and_swap to void.
946 * xcoff.c (backtrace_initialize): Likewise.
948 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
950 * configure.ac: Remove references to spu.
951 * configure: Regenerate.
953 2019-05-24 Clement Chigot <clement.chigot@atos.net>
955 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
957 * Makefile.in: Regenerate.
959 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
961 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
963 * configure: Regenerate.
965 2019-03-11 Ian Lance Taylor <iant@golang.org>
967 PR libbacktrace/89669
968 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
970 * Makefile.in: Regenerate.
972 2019-02-26 Tom de Vries <tdevries@suse.de>
974 * btest.c (test5): Allow global.* as minimal symbol name for global.
976 2019-02-26 Tom de Vries <tdevries@suse.de>
978 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
979 * Makefile.in: Regenerate.
981 2019-02-12 Tom de Vries <tdevries@suse.de>
983 PR libbacktrace/81983
984 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
986 2019-02-10 Tom de Vries <tdevries@suse.de>
988 * Makefile.am (BUILDTESTS): Add btest_lto.
989 * Makefile.in: Regenerate.
990 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
991 __attribute__((noclone)).
993 2019-02-08 Tom de Vries <tdevries@suse.de>
995 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
996 * print.c (backtrace_print): Same.
997 * simple.c (backtrace_simple): Same.
999 2019-02-08 Tom de Vries <tdevries@suse.de>
1001 PR libbacktrace/78063
1002 * dwarf.c (build_address_map): Keep all parsed units.
1003 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
1005 2019-01-31 Tom de Vries <tdevries@suse.de>
1007 PR libbacktrace/89136
1008 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
1009 'debugaltlink_name_len =+ 1'.
1011 2019-01-29 Tom de Vries <tdevries@suse.de>
1013 * install-debuginfo-for-buildid.sh.in: New script.
1014 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
1015 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
1016 * Makefile.in: Regenerate.
1017 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
1018 (READELF): Set with AC_CHECK_PROG.
1019 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
1020 * configure: Regenerate.
1021 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
1022 (elf_open_debugfile_by_buildid): ... here.
1024 2019-01-29 Tom de Vries <tdevries@suse.de>
1026 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
1028 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
1029 (check_PROGRAMS): Add BUILDTESTS.
1030 * Makefile.in: Regenerate.
1032 2019-01-28 Tom de Vries <tdevries@suse.de>
1034 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
1035 Use $< to access prerequisite.
1036 * Makefile.in: Regenerate.
1038 2019-01-25 Nathan Sidwell <nathan@acm.org>
1040 * elf.c (elf_add): Pass "" filename to recursive call with
1043 2019-01-25 Tom de Vries <tdevries@suse.de>
1045 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
1047 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
1048 * Makefile.in: Regenerate.
1050 2019-01-25 Tom de Vries <tdevries@suse.de>
1052 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
1053 (TESTS): Rename dtest to btest_gnudebuglink.
1054 * Makefile.in: Regenerate.
1056 2019-01-23 Tom de Vries <tdevries@suse.de>
1058 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
1059 (units_search, find_unit): Use size_t for offset.
1060 (build_address_map): Use size_t for unit_offset.
1062 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
1064 * allocfail.c (main): Increase portability of printf statement.
1066 2019-01-18 Ian Lance Taylor <iant@golang.org>
1068 PR libbacktrace/88890
1069 * mmapio.c (backtrace_get_view): Change size parameter to
1070 uint64_t. Check that value fits in size_t.
1071 * read.c (backtrace_get_view): Likewise.
1072 * internal.h (backtrace_get_view): Update declaration.
1073 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
1075 2019-01-17 Tom de Vries <tdevries@suse.de>
1077 PR libbacktrace/82857
1078 * configure.ac (DWZ): Set with AC_CHECK_PROG.
1079 (HAVE_DWZ): Set with AM_CONDITIONAL.
1080 * configure: Regenerate.
1081 * Makefile.am (TESTS): Add btest_dwz.
1082 * Makefile.in: Regenerate.
1084 2019-01-17 Tom de Vries <tdevries@suse.de>
1086 PR libbacktrace/82857
1087 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
1088 (read_attribute): Handle DW_FORM_GNU_ref_alt using
1089 ATTR_VAL_REF_ALT_INFO.
1090 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
1092 2019-01-17 Tom de Vries <tdevries@suse.de>
1094 * dwarf.c (struct unit): Add low_offset and high_offset fields.
1095 (struct unit_vector): New type.
1096 (struct dwarf_data): Add units and units_counts fields.
1097 (find_unit): New function.
1098 (find_address_ranges): Add and handle unit_tag parameter.
1099 (build_address_map): Add and handle units_vec parameter.
1100 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
1103 2019-01-17 Tom de Vries <tdevries@suse.de>
1105 PR libbacktrace/82857
1106 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
1109 2019-01-17 Tom de Vries <tdevries@suse.de>
1111 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
1112 (read_attribute): Add altlink parameter. Handle missing altlink for
1113 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
1114 (find_address_ranges, build_address_map, build_dwarf_data): Add and
1115 handle altlink parameter.
1116 (read_referenced_name, read_function_entry): Add argument to
1117 read_attribute call.
1119 2019-01-17 Tom de Vries <tdevries@suse.de>
1121 * dwarf.c (struct dwarf_data): Add altlink field.
1122 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
1123 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
1124 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
1125 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
1126 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
1127 * xcoff.c (xcoff_add): Same.
1129 2019-01-17 Tom de Vries <tdevries@suse.de>
1131 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
1132 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
1133 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
1134 argument to backtrace_dwarf_add call.
1135 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
1136 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
1137 * xcoff.c (xcoff_add): Same.
1139 2019-01-17 Tom de Vries <tdevries@suse.de>
1141 * elf.c (elf_add): Add and handle with_buildid_data and
1142 with_buildid_size parameters. Handle .gnu_debugaltlink section.
1143 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
1145 2019-01-16 Tom de Vries <tdevries@suse.de>
1147 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
1149 (read_referenced_name): ... here, and ...
1150 (read_function_entry): ... here.
1152 2019-01-16 Tom de Vries <tdevries@suse.de>
1154 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
1156 (read_function_entry): Same. Don't allow name found via
1157 DW_AT_abstract_origin or case DW_AT_specification to override linkage
1160 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
1164 * backtrace.h: Mechanically replace "can not" with "cannot".
1166 2019-01-01 Jakub Jelinek <jakub@redhat.com>
1168 Update copyright years.
1170 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
1172 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
1174 * Makefile.in: Regenerate.
1176 2018-12-28 Tom de Vries <tdevries@suse.de>
1178 * dwarf.c (build_address_map): Reuse unused units.
1180 2018-12-28 Tom de Vries <tdevries@suse.de>
1182 * dwarf.c (build_address_map): Simplify by removing local variable
1185 2018-12-28 Ian Lance Taylor <iant@golang.org>
1186 Tom de Vries <tdevries@suse.de>
1188 PR libbacktrace/88063
1189 * dwarf.c (free_unit_addrs_vector): Remove.
1190 (build_address_map): Keep track of allocated units in vector. Free
1191 allocated units and corresponding abbrevs upon failure. Remove now
1192 redundant call to free_unit_addrs_vector. Free addrs vector upon
1193 failure. Free allocated unit vector.
1195 2018-12-28 Tom de Vries <tdevries@suse.de>
1197 * dwarf.c (build_address_map): Free addrs vector upon failure.
1199 2018-12-14 Tom de Vries <tdevries@suse.de>
1202 * allocfail.sh: Remove "set -o pipefail".
1204 2018-12-12 Tom de Vries <tdevries@suse.de>
1206 * Makefile.am (TESTS): Add allocfail.sh.
1207 (check_PROGRAMS): Add allocfail.
1208 * Makefile.in: Regenerate.
1209 * instrumented_alloc.c: New file. Redefine malloc and realloc.
1211 * allocfail.c: New file.
1212 * allocfail.sh: New file.
1214 2018-11-30 Tom de Vries <tdevries@suse.de>
1216 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
1217 test_xcoff_64, test_pecoff and test_unknown.
1218 * Makefile.in: Regenerate.
1219 * test_format.c: New file.
1221 2018-11-30 Tom de Vries <tdevries@suse.de>
1223 * Makefile.am : Add _with_alloc version for each test in
1225 * Makefile.in: Regenerate.
1227 2018-11-30 Tom de Vries <tdevries@suse.de>
1229 * internal.h (backtrace_vector_free): New static inline fuction,
1231 * dwarf.c (read_line_info): ... here.
1233 2018-11-28 Tom de Vries <tdevries@suse.de>
1235 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
1238 2018-11-27 Tom de Vries <tdevries@suse.de>
1240 * mmap.c (backtrace_vector_release): Same.
1241 * unittest.c (test1): Add check.
1243 2018-11-27 Tom de Vries <tdevries@suse.de>
1245 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
1247 * Makefile.am (check_PROGRAMS): Add unittest.
1248 * Makefile.in: Regenerate.
1249 * unittest.c: New file.
1251 2018-11-22 Tom de Vries <tdevries@suse.de>
1253 * dwarf.c (read_initial_length): Factor out of ...
1254 (build_address_map, read_line_info): ... here.
1256 2018-11-21 Tom de Vries <tdevries@suse.de>
1258 * dwarf.c (read_string): Factor out of ...
1259 (read_attribute, read_line_header, read_line_program): ... here.
1261 2018-10-31 Joseph Myers <joseph@codesourcery.com>
1264 * Makefile.am: Include multilib.am.
1265 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
1266 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
1268 2018-10-05 Ian Lance Taylor <iant@golang.org>
1270 PR libbacktrace/87529
1271 * backtrace.h: Document that backtrace_create_state should be
1274 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
1276 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
1277 * Makefile.in: Regenerate.
1278 * config.h.in: Likewise.
1279 * configure: Likewise.
1281 2018-08-01 Tony Reix <tony.reix@atos.net>
1283 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
1284 (struct xcoff_func, struct xcoff_func_vector): New structs.
1285 (xcoff_syminfo): Drop leading dot from symbol name.
1286 (xcoff_line_compare, xcoff_line_search): Remove.
1287 (xcoff_func_compare, xcoff_func_search): New static functions.
1288 (xcoff_lookup_pc): Search function table.
1289 (xcoff_add_line, xcoff_process_linenos): Remove.
1290 (xcoff_initialize_fileline): Build function table.
1292 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
1295 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
1296 checking up to 36 bytes.
1298 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
1300 * configure: Regenerated.
1302 2018-04-19 Jakub Jelinek <jakub@redhat.com>
1304 * configure: Regenerated.
1306 2018-04-17 Ian Lance Taylor <iant@golang.org>
1308 * backtrace.c: Revert last two changes. Don't call mmap
1311 2018-04-17 Ian Lance Taylor <iant@golang.org>
1313 * backtrace.c: Include backtrace-supported.h before checking
1314 BACKTRACE_USES_MALLOC.
1316 2018-04-17 Ian Lance Taylor <iant@golang.org>
1318 * backtrace.c (backtrace_full): When testing whether we can
1319 allocate memory, call mmap directly, and munmap the memory.
1321 2018-04-04 Jakub Jelinek <jakub@redhat.com>
1324 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
1325 big endian, only use 32-bit loads if endianity macros are predefined
1326 and indicate big or little endian.
1328 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
1331 * configure: Regenerate.
1333 2018-02-15 Jakub Jelinek <jakub@redhat.com>
1336 * elf.c (SHT_PROGBITS): Undefine and define.
1338 2018-02-14 Jakub Jelinek <jakub@redhat.com>
1341 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
1342 (struct elf_ppc64_opd_data): New type.
1343 (elf_initialize_syminfo): Add opd argument, handle symbols
1344 pointing into the PowerPC64 ELFv1 .opd section.
1345 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
1346 to structure with .opd data to elf_initialize_syminfo.
1348 2018-01-31 Ian Lance Taylor <iant@golang.org>
1350 * elf.c (elf_add): Close descriptor if we use a debugfile.
1351 * btest.c (check_open_files): New static function.
1352 (main): Call check_open_files.
1354 2018-01-25 Ian Lance Taylor <iant@golang.org>
1356 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
1357 desired CRC is zero.
1358 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
1360 2018-01-25 Ian Lance Taylor <iant@golang.org>
1362 * pecoff.c (coff_add): Only release syms_view if it is valid.
1364 2018-01-25 Ian Lance Taylor <iant@golang.org>
1366 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
1368 2018-01-24 Ian Lance Taylor <iant@golang.org>
1370 * pecoff.c (coff_add): Use coff_read4, not memcpy.
1372 2018-01-24 Ian Lance Taylor <iant@golang.org>
1375 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
1378 2018-01-19 Tony Reix <tony.reix@atos.net>
1380 * xcoff.c (xcoff_incl_compare): New function.
1381 (xcoff_incl_search): New function.
1382 (xcoff_process_linenos): Use bsearch to find include file.
1383 (xcoff_initialize_fileline): Sort include file information.
1385 2018-01-16 Ian Lance Taylor <iant@golang.org>
1387 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
1389 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
1390 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
1391 (elf_zlib_default_table): Update.
1392 (elf_zlib_default_dist_table): New static array.
1393 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
1395 * ztest.c (struct zlib_test): Add uncompressed_len.
1396 (tests): Initialize uncompressed_len field. Add new test case.
1397 (test_samples): Use uncompressed_len field.
1399 2018-01-03 Jakub Jelinek <jakub@redhat.com>
1401 Update copyright years.
1403 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
1405 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
1406 * aclocal.m4: Regenerate.
1407 * Makefile.in: Likewise.
1408 * configure: Likewise.
1410 2017-10-06 Ian Lance Taylor <iant@golang.org>
1412 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
1413 zlib uncompress function.
1415 2017-10-05 Ian Lance Taylor <iant@golang.org>
1417 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
1418 Read a four byte integer.
1419 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
1420 boundary before ever calling elf_zlib_fetch.
1421 * ztest.c (test_large): Simplify print statements a bit.
1423 2017-10-02 Ian Lance Taylor <iant@golang.org>
1425 * ztest.c: #include <errno.h>.
1426 (TEST_TIMING): Don't define, don't test.
1427 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
1428 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
1429 (ZLIB_CLOCK_GETTIME_ARG): Define.
1430 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
1431 * Makefile.am: Likewise.
1432 * configure, Makefile.in: Rebuild.
1434 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
1437 * Makefile.am: Append the content of clock_gettime_link to
1439 * configure.ac: Test for the case that clock_gettime is in librt.
1440 * Makefile.in: Regenerate.
1441 * configure: Likewise.
1444 * configure.ac: Check for clock_gettime.
1445 * config.h.in: Regenerate.
1446 * configure: Likewise.
1447 * ztest.c (average_time, test_large): Conditionalize test timing
1448 on clock_gettime availability.
1450 2017-09-29 Tony Reix <tony.reix@atos.net>
1452 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
1453 (STYP_DWARF, SSUBTYP_DW*): Define.
1454 (enum dwarf_section): Define.
1455 (struct dwsect_info): Define.
1456 (xcoff_add): Look for DWARF sections, pass them to
1457 backtrace_dwarf_add.
1459 2017-09-28 Ian Lance Taylor <iant@golang.org>
1462 * elf.c (__builtin_prefetch): Define if not __GNUC__.
1464 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
1465 (b_elf_chdr): Define type.
1466 (enum debug_section): Add ZDEBUG_xxx values.
1467 (debug_section_names): Add names for new sections.
1468 (struct debug_section_info): Add compressed field.
1469 (elf_zlib_failed, elf_zlib_fetch): New static functions.
1470 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
1471 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
1472 (HUFFMAN_SECONDARY_SHIFT): Define.
1473 (ZDEBUG_TABLE_SIZE): Define.
1474 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
1475 (final_next_secondary): New static variable if
1476 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
1477 (elf_zlib_inflate_table): New static function.
1478 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
1479 function to produce fixed Huffman table.
1480 (elf_zlib_default_table): New static variable.
1481 (elf_zlib_inflate): New static function.
1482 (elf_zlib_verify_checksum): Likewise.
1483 (elf_zlib_inflate_and_verify): Likewise.
1484 (elf_uncompress_zdebug): Likewise.
1485 (elf_uncompress_chdr): Likewise.
1486 (backtrace_uncompress_zdebug): New extern function.
1487 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
1488 sections, and uncompress them.
1489 * internal.h (backtrace_compress_zdebug): Declare.
1490 * ztest.c: New file.
1491 * configure.ac: Check for -lz and check whether the linker
1492 supports --compress-debug-sections.
1493 * Makefile.am (ztest_SOURCES): New variable.
1494 (ztest_CFLAGS, ztest_LDADD): New variables.
1495 (check_PROGRAMS): Add ztest.
1496 (ctestg_SOURCES): New variable.
1497 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
1498 (ctesta_SOURCES): New variable.
1499 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
1500 (check_PROGRAMS): Add ctestg and ctesta.
1501 * configure, config.h.in, Makefile.in: Rebuild.
1503 2017-09-22 Ian Lance Taylor <iant@golang.org>
1506 * configure.ac: Check for lstat and readlink.
1507 * elf.c (lstat, readlink): Provide dummy versions if real versions
1509 * configure, config.h.in: Rebuild.
1511 2017-09-21 Ian Lance Taylor <iant@google.com>
1514 * elf.c (backtrace_initialize): Set pd.exe_filename.
1516 2017-09-20 Ian Lance Taylor <iant@golang.org>
1517 Denis Khalikov <d.khalikov@partner.samsung.com>
1520 Support for external debug info.
1521 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
1522 (S_ISLNK): Define if not defined.
1523 (xstrnlen): Define if strnlen is not available.
1524 (b_elf_note): Define type.
1525 (NT_GNU_BUILD_ID): Define macro.
1526 (elf_crc32, elf_crc32_file): New static functions.
1527 (elf_is_symlink, elf_readlink): New static functions.
1528 (elf_open_debugfile_by_buildid): New static function.
1529 (elf_try_debugfile): New static function.
1530 (elf_find_debugfile_by_debuglink): New static function.
1531 (elf_open_debugfile_by_debuglink): New static function.
1532 (elf_add): Add filename and debuginfo parameters. Adjust all
1533 callers. Look for external debug info notes, and try to fetch
1534 debug info from external file.
1535 (struct phdr_data): Add exe_filename field.
1536 (phdr_callback): Pass filename to elf_add.
1537 (backtrace_initialize): Add filename parameter.
1538 * internal.h (backtrace_initialize): Add filename parameter.
1539 * fileline.c (fileline_initialize): Pass filename to
1540 backtrace_initialize.
1541 * pecoff.c (fileline_initialize): Add unused filename parameter.
1542 * unknown.c (fileline_initialize): Likewise.
1543 * xcoff.c (fileline_initialize): Likewise.
1544 * configure.ac: Check for objcopy --add-gnu-debuglink.
1545 * Makefile.am (dtest): New test target.
1546 * configure, Makefile.in: Rebuild.
1548 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1551 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
1552 * Makefile.in: Regenerate.
1554 2017-09-12 Steve Ellcey <sellcey@cavium.com>
1557 * libbacktrace/Makefile.in
1558 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
1560 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
1563 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
1565 2017-07-28 Tony Reix <tony.reix@atos.net>
1567 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
1569 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1571 * fileline.c (fileline_initialize): Print pid_t as long.
1573 2017-07-26 Tony Reix <tony.reix@atos.net>
1575 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
1576 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
1577 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
1578 * configure, config.h.in: Regenerate.
1580 2017-07-21 Tony Reix <tony.reix@atos.net>
1582 * filetype.awk: Add AIX XCOFF type detection.
1583 * configure.ac: Recognize xcoff format.
1584 * Makefile.am (FORMAT_FILES): Add xcoff.c.
1585 * fileline.c: Include <unistd.h>.
1586 (fileline_initialize): Add case for AIX procfs.
1587 * xcoff.c: New file.
1588 * configure, Makefile.in: Rebuild.
1590 2017-06-21 Richard Biener <rguenther@suse.de>
1592 * configure.ac: Add AC_SYS_LARGEFILE.
1593 * config.h.in: Regenerate.
1594 * configure: Likewise.
1596 2017-06-11 Ian Lance Taylor <iant@golang.org>
1598 * elf.c (backtrace_initialize): Always set *fileline_fn.
1599 * ttest.c: New file.
1600 * btest.c: Move support functions into testlib.c. Change calls to
1601 check to pass file name.
1602 * testlib.c: New file, copied from (part of) btest.c.
1603 * testlib.h: New file, declarations for testlib.c.
1604 * edtest.c: Use testlib.h and testlib.c.
1605 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
1606 * Makefile.am (btest_SOURCES): Add testlib.c.
1607 (edtest_SOURCES): Likewise.
1608 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
1609 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
1610 * configure, Makefile.in: Rebuild.
1612 2017-05-19 Than McIntosh <thanm@google.com>
1614 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
1615 (read_line_header): Don't allocate dirs if dirs_count == 0.
1616 * edtest.c: New file.
1617 * edtest2.c: New file.
1618 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
1619 (check_PROGRAMS): Add edtest.
1620 (edtest2_build.c, gen_edtest2_build): New targets.
1621 * Makefile.in: Rebuild.
1623 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
1625 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
1626 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
1628 2017-01-01 Jakub Jelinek <jakub@redhat.com>
1630 Update copyright years.
1632 2016-11-15 Matthias Klose <doko@ubuntu.com>
1634 * configure: Regenerate.
1636 2016-09-11 Carlos Liam <carlos@aarzee.me>
1638 * all: Remove meaningless trailing whitespace.
1640 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
1643 * elf.c (phdr_callback) [__i386__]: Add
1644 __attribute__((__force_align_arg_pointer__)).
1646 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
1648 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
1649 avoid possible crash.
1650 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
1651 missing debug info anymore.
1653 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
1655 * mmap.c (MAP_FAILED): Define if not defined.
1657 2016-01-04 Jakub Jelinek <jakub@redhat.com>
1659 Update copyright years.
1661 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
1663 * configure.ac: Specify that DJGPP do not have mmap
1664 even when sys/mman.h exists.
1665 * configure: Regenerate
1667 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
1669 PR libgfortran/68115
1670 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
1671 * configure: Regenerate.
1672 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
1675 2015-09-17 Ian Lance Taylor <iant@google.com>
1677 * posix.c (backtrace_open): Cast second argument of open() to int.
1679 2015-09-11 Ian Lance Taylor <iant@google.com>
1681 * Makefile.am (backtrace.lo): Depend on internal.h.
1682 (sort.lo, stest.lo): Add explicit dependencies.
1683 * Makefile.in: Rebuild.
1685 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
1687 * backtrace.c: #include <sys/types.h>.
1689 2015-09-08 Ian Lance Taylor <iant@google.com>
1692 * backtrace.c: #include "internal.h".
1693 (struct backtrace_data): Add can_alloc field.
1694 (unwind): If can_alloc is false, don't try to get file/line
1696 (backtrace_full): Set can_alloc field in bdata.
1697 * alloc.c (backtrace_alloc): Don't call error_callback if it is
1699 * mmap.c (backtrace_alloc): Likewise.
1700 * internal.h: Update comments for backtrace_alloc and
1703 2015-09-08 Ian Lance Taylor <iant@google.com>
1706 * mmap.c (backtrace_alloc): Correct test for mmap failure.
1708 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1710 * configure.ac: For spu-*-* targets, set have_fcntl to no.
1711 * configure: Regenerate.
1713 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1715 * configure.ac: Remove [disable-shared] argument to LT_INIT.
1716 Remove setting PIC_FLAG when building as target library.
1717 * configure: Regenerate.
1719 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
1721 * configure.ac: Only compile with -fPIC if the target
1723 * configure: Regenerate.
1725 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1727 * configure.ac: Set have_mmap to no on spu-*-* targets.
1728 * configure: Regenerate.
1730 2015-08-13 Ian Lance Taylor <iant@google.com>
1732 * dwarf.c (read_function_entry): Add vec_inlined parameter.
1735 2015-06-11 Martin Sebor <msebor@redhat.com>
1738 * dwarf.c (struct line): Add new field idx.
1739 (line_compare): Use it.
1741 (read_line_info): Reset it.
1743 2015-05-29 Tristan Gingold <gingold@adacore.com>
1745 * pecoff.c: New file.
1746 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
1747 * Makefile.in: Regenerate.
1748 * filetype.awk: Detect pecoff.
1749 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
1751 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
1753 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
1754 * configure: Regenerate.
1755 * pecoff.c: New file.
1757 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
1759 * Makefile.in: Regenerated with automake-1.11.6.
1760 * aclocal.m4: Likewise.
1761 * configure: Likewise.
1763 2015-01-24 Matthias Klose <doko@ubuntu.com>
1765 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
1766 * configure: Regenerate.
1768 2015-01-05 Jakub Jelinek <jakub@redhat.com>
1770 Update copyright years.
1772 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
1775 * configure: Regenerated.
1777 2014-11-11 David Malcolm <dmalcolm@redhat.com>
1779 * ChangeLog.jit: New.
1781 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1784 * configure: Regenerate.
1786 2014-10-23 Ian Lance Taylor <iant@google.com>
1788 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1789 Fix to return void *.
1791 2014-05-08 Ian Lance Taylor <iant@google.com>
1793 * mmap.c (backtrace_free): If freeing a large aligned block of
1794 memory, call munmap rather than holding onto it.
1795 (backtrace_vector_grow): When growing a vector, double the number
1796 of pages requested. When releasing the old version of a grown
1797 vector, pass the correct size to backtrace_free.
1799 2014-03-07 Ian Lance Taylor <iant@google.com>
1801 * sort.c (backtrace_qsort): Use middle element as pivot.
1803 2014-03-06 Ian Lance Taylor <iant@google.com>
1806 * stest.c: New file.
1807 * internal.h (backtrace_qsort): Declare.
1808 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1809 (read_line_info, read_function_entry): Likewise.
1810 (read_function_info, build_dwarf_data): Likewise.
1811 * elf.c (elf_initialize_syminfo): Likewise.
1812 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1813 (stest_SOURCES, stest_LDADD): Define.
1814 (check_PROGRAMS): Add stest.
1816 2014-02-07 Misty De Meo <misty@brew.sh>
1819 * configure.ac: Use AC_LINK_IFELSE in check for
1821 * configure: Regenerate.
1823 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1825 Update copyright years
1827 2013-12-06 Jakub Jelinek <jakub@redhat.com>
1829 * elf.c (ET_DYN): Undefine and define again.
1830 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1831 return early -1 without closing the descriptor.
1832 (struct phdr_data): Add exe_descriptor.
1833 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1834 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1835 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1837 (backtrace_initialize): Adjust call to elf_add. If it returns
1838 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1840 2013-12-05 Ian Lance Taylor <iant@google.com>
1842 * alloc.c (backtrace_vector_finish): Add error_callback and data
1843 parameters. Call backtrace_vector_release. Return address base.
1844 * mmap.c (backtrace_vector_finish): Add error_callback and data
1845 parameters. Return address base.
1846 * dwarf.c (read_function_info): Get new address base from
1847 backtrace_vector_finish.
1848 * internal.h (backtrace_vector_finish): Update declaration.
1850 2013-11-27 Ian Lance Taylor <iant@google.com>
1852 * dwarf.c (find_address_ranges): New static function, broken out
1853 of build_address_map.
1854 (build_address_map): Call it.
1855 * btest.c (check): Check for missing filename or function, rather
1857 (f3): Check that enough frames were returned.
1859 2013-11-19 Jakub Jelinek <jakub@redhat.com>
1861 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1862 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1864 * btest.c (struct symdata): Add size field.
1865 (callback_three): Add symsize argument. Copy it to the data->size
1867 (f23): Set symdata.size to 0.
1868 (test5): Likewise. If sizeof (int) > 1, lookup address of
1869 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1872 * atomic.c: Include sys/types.h.
1874 2013-11-18 Ian Lance Taylor <iant@google.com>
1876 * configure.ac: Check for support of __atomic extensions.
1877 * internal.h: Declare or #define atomic functions for use in
1879 * atomic.c: New file.
1880 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1881 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1882 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1883 (backtrace_initialize): Likewise.
1884 * fileline.c (fileline_initialize): Likewise.
1885 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1886 * configure, config.h.in, Makefile.in: Rebuild.
1888 2013-11-18 Jakub Jelinek <jakub@redhat.com>
1890 * elf.c (SHN_UNDEF): Define.
1891 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1892 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1893 (elf_add): Adjust caller.
1895 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1897 2013-11-16 Ian Lance Taylor <iant@google.com>
1899 * backtrace.h (backtrace_create_state): Correct comment about
1902 2013-11-15 Ian Lance Taylor <iant@google.com>
1904 * backtrace.h (backtrace_syminfo): Update comment and parameter
1905 name to take any address, not just a PC value.
1906 * elf.c (STT_OBJECT): Define.
1907 (elf_nosyms): Rename parameter pc to addr.
1908 (elf_symbol_search): Rename local variable pc to addr.
1909 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1910 (elf_syminfo): Rename parameter pc to addr.
1911 * btest.c (global): New global variable.
1915 2013-10-17 Ian Lance Taylor <iant@google.com>
1917 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1920 2013-10-15 David Malcolm <dmalcolm@redhat.com>
1922 * configure.ac: Add --enable-host-shared, setting up
1923 pre-existing PIC_FLAG variable within Makefile.am et al.
1924 * configure: Regenerate.
1926 2013-09-20 Alan Modra <amodra@gmail.com>
1928 * configure: Regenerate.
1930 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1932 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1934 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1936 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1937 dl_iterate_phdr callbacks.
1939 2013-03-25 Ian Lance Taylor <iant@google.com>
1941 * alloc.c: #include <sys/types.h>.
1944 2013-01-31 Ian Lance Taylor <iant@google.com>
1946 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1947 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1949 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1952 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1953 attribute was not seen.
1955 2013-01-16 Ian Lance Taylor <iant@google.com>
1957 * dwarf.c (struct unit): Add filename and abs_filename fields.
1958 (build_address_map): Set new fields when reading unit.
1959 (dwarf_lookup_pc): If we don't find an entry in the line table,
1960 just return the main file name.
1962 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1964 Update copyright years.
1966 2013-01-01 Ian Lance Taylor <iant@google.com>
1969 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1970 $(MULTIBUILDTOP)/../../gcc/include.
1971 * Makefile.in: Rebuild.
1973 2013-01-01 Ian Lance Taylor <iant@google.com>
1976 * mmap.c (backtrace_alloc): Don't call sync functions if not
1978 (backtrace_free): Likewise.
1980 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1982 * mmapio.c: Define MAP_FAILED if not defined.
1984 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1987 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1988 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1989 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1991 * Makefile.in: Regenerated.
1992 * configure: Regenerated.
1994 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1997 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1998 * Makefile.in: Regenerated.
2000 2012-11-20 Ian Lance Taylor <iant@google.com>
2002 * dwarf.c (read_attribute): Always clear val.
2004 2012-11-13 Ian Lance Taylor <iant@google.com>
2007 * configure.ac: Only add -Werror if building a target library.
2008 * configure: Rebuild.
2010 2012-11-12 Ian Lance Taylor <iant@google.com>
2011 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2012 Gerald Pfeifer <gerald@pfeifer.com>
2014 * configure.ac: Check for getexecname.
2015 * fileline.c: #include <errno.h>. Define getexecname if not
2017 (fileline_initialize): Try to find the executable in a few
2019 * print.c (error_callback): Only print the filename if it came
2020 from the backtrace state.
2021 * configure, config.h.in: Rebuild.
2023 2012-10-29 Ian Lance Taylor <iant@google.com>
2025 * mmap.c (backtrace_vector_release): Correct last patch: add
2028 2012-10-29 Ian Lance Taylor <iant@google.com>
2030 * mmap.c (backtrace_vector_release): Make sure freed block is
2031 aligned on 8-byte boundary.
2033 2012-10-26 Ian Lance Taylor <iant@google.com>
2036 * posix.c (backtrace_open): Add does_not_exist parameter.
2037 * elf.c (phdr_callback): Do not warn if shared library could not
2039 * fileline.c (fileline_initialize): Update calls to
2041 * internal.h (backtrace_open): Update declaration.
2043 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
2046 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
2047 * configure: Regenerate.
2049 2012-10-24 Ian Lance Taylor <iant@google.com>
2052 * configure.ac: Check whether -funwind-tables option works.
2053 * configure: Rebuild.
2055 2012-10-11 Ian Lance Taylor <iant@google.com>
2057 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
2058 * configure: Rebuild.
2060 2012-10-10 Ian Lance Taylor <iant@google.com>
2062 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
2065 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
2067 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
2069 2012-10-09 Ian Lance Taylor <iant@google.com>
2071 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
2072 (backtrace_dwarf_add): Likewise.
2074 2012-10-09 Ian Lance Taylor <iant@google.com>
2076 Add support for tracing through shared libraries.
2077 * configure.ac: Check for link.h and dl_iterate_phdr.
2078 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
2079 ELF macros before #defining them.
2080 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
2082 (struct elf_syminfo_data): Add next field.
2083 (elf_initialize_syminfo): Initialize next field.
2084 (elf_add_syminfo_data): New static function.
2085 (elf_add): New static function, broken out of
2086 backtrace_initialize. Call backtrace_dwarf_add instead of
2087 backtrace_dwarf_initialize.
2088 (struct phdr_data): Define.
2089 (phdr_callback): New static function.
2090 (backtrace_initialize): Call elf_add.
2091 * dwarf.c (struct dwarf_data): Add next and base_address fields.
2092 (add_unit_addr): Add base_address parameter. Change all callers.
2093 (add_unit_ranges, build_address_map): Likewise.
2094 (add_line): Add ddata parameter. Change all callers.
2095 (read_line_program, add_function_range): Likewise.
2096 (dwarf_lookup_pc): New static function, broken out of
2098 (dwarf_fileline): Call dwarf_lookup_pc.
2099 (build_dwarf_data): New static function.
2100 (backtrace_dwarf_add): New function.
2101 (backtrace_dwarf_initialize): Remove.
2102 * internal.h (backtrace_dwarf_initialize): Don't declare.
2103 (backtrace_dwarf_add): Declare.
2104 * configure, config.h.in: Rebuild.
2106 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
2108 * btest.c (f23): Avoid uninitialized variable warning.
2110 2012-10-04 Ian Lance Taylor <iant@google.com>
2112 * dwarf.c: If the system header files do not declare strnlen,
2113 provide our own version.
2115 2012-10-03 Ian Lance Taylor <iant@google.com>
2117 * dwarf.c (read_uleb128): Fix overflow test.
2118 (read_sleb128): Likewise.
2119 (build_address_map): Don't change unit_buf.start.
2121 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
2124 * configure.ac (EXTRA_FLAGS): New.
2125 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
2126 * configure, Makefile.in: Regenerate.
2128 2012-09-29 Ian Lance Taylor <iant@google.com>
2131 * fileline.c (fileline_initialize): Pass errnum as -1 when
2132 reporting that we could not read executable information after a
2135 2012-09-27 Ian Lance Taylor <iant@google.com>
2138 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
2139 * Makefile.am: Add dependencies for all objects.
2140 * configure, aclocal.m4, Makefile.in: Rebuild.
2142 2012-09-27 Ian Lance Taylor <iant@google.com>
2145 * elf.c (backtrace_initialize): Set *fileln_fn, not
2148 2012-09-19 Ian Lance Taylor <iant@google.com>
2150 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
2151 as a target library.
2152 * configure: Rebuild.
2154 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2155 Ian Lance Taylor <iant@google.com>
2157 * configure.ac (GCC_HEADER_STDINT): Invoke.
2158 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
2159 * btest.c: Don't include <stdint.h>.
2160 * dwarf.c: Likewise.
2161 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
2163 2012-09-18 Ian Lance Taylor <iant@google.com>
2166 * Makefile.am (AM_CPPFLAGS): Define.
2167 (AM_CFLAGS): Remove -I options.
2168 * Makefile.in: Rebuild.
2170 2012-09-18 Ian Lance Taylor <iant@google.com>
2172 * posix.c (O_BINARY): Define if not defined.
2173 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
2174 HAVE_FCNTL is defined.
2175 * configure.ac: Test for the fcntl function.
2176 * configure, config.h.in: Rebuild.
2178 2012-09-18 Ian Lance Taylor <iant@google.com>
2180 * btest.c (test1, test2, test3, test4): Add the unused attribute.
2182 2012-09-18 Ian Lance Taylor <iant@google.com>
2184 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
2186 2012-09-18 Ian Lance Taylor <iant@google.com>
2188 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
2189 * mmapio.c: Don't define _GNU_SOURCE.
2190 * configure, config.h.in: Rebuild.
2192 2012-09-18 Ian Lance Taylor <iant@google.com>
2194 * configure.ac: Check whether strnlen is declared.
2195 * dwarf.c: Declare strnlen if not declared.
2196 * configure, config.h.in: Rebuild.
2198 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2200 * fileline.c: Include <stdlib.h>.
2203 2012-09-17 Ian Lance Taylor <iant@google.com>
2206 * nounwind.c (backtrace_full): Rename from backtrace. Add state
2209 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
2212 * nounwind.c (backtrace_simple): Add state parameter.
2214 2012-09-17 Ian Lance Taylor <iant@google.com>
2217 * unknown.c (unknown_fileline): Add state parameter, remove
2218 fileline_data parameter, name error_callback parameter.
2219 (backtrace_initialize): Add state parameter.
2221 2012-09-17 Ian Lance Taylor <iant@google.com>
2223 * Initial implementation.
2225 Copyright (C) 2012-2024 Free Software Foundation, Inc.
2227 Copying and distribution of this file, with or without modification,
2228 are permitted in any medium without royalty provided the copyright
2229 notice and this notice are preserved.