1 2018-01-16 Ian Lance Taylor <iant@golang.org>
3 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
5 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
6 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
7 (elf_zlib_default_table): Update.
8 (elf_zlib_default_dist_table): New static array.
9 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
11 * ztest.c (struct zlib_test): Add uncompressed_len.
12 (tests): Initialize uncompressed_len field. Add new test case.
13 (test_samples): Use uncompressed_len field.
15 2018-01-03 Jakub Jelinek <jakub@redhat.com>
17 Update copyright years.
19 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
21 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
22 * aclocal.m4: Regenerate.
23 * Makefile.in: Likewise.
24 * configure: Likewise.
26 2017-10-06 Ian Lance Taylor <iant@golang.org>
28 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
29 zlib uncompress function.
31 2017-10-05 Ian Lance Taylor <iant@golang.org>
33 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
34 Read a four byte integer.
35 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
36 boundary before ever calling elf_zlib_fetch.
37 * ztest.c (test_large): Simplify print statements a bit.
39 2017-10-02 Ian Lance Taylor <iant@golang.org>
41 * ztest.c: #include <errno.h>.
42 (TEST_TIMING): Don't define, don't test.
43 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
44 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
45 (ZLIB_CLOCK_GETTIME_ARG): Define.
46 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
47 * Makefile.am: Likewise.
48 * configure, Makefile.in: Rebuild.
50 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
53 * Makefile.am: Append the content of clock_gettime_link to
55 * configure.ac: Test for the case that clock_gettime is in librt.
56 * Makefile.in: Regenerate.
57 * configure: Likewise.
60 * configure.ac: Check for clock_gettime.
61 * config.h.in: Regenerate.
62 * configure: Likewise.
63 * ztest.c (average_time, test_large): Conditionalize test timing
64 on clock_gettime availability.
66 2017-09-29 Tony Reix <tony.reix@atos.net>
68 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
69 (STYP_DWARF, SSUBTYP_DW*): Define.
70 (enum dwarf_section): Define.
71 (struct dwsect_info): Define.
72 (xcoff_add): Look for DWARF sections, pass them to
75 2017-09-28 Ian Lance Taylor <iant@golang.org>
78 * elf.c (__builtin_prefetch): Define if not __GNUC__.
80 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
81 (b_elf_chdr): Define type.
82 (enum debug_section): Add ZDEBUG_xxx values.
83 (debug_section_names): Add names for new sections.
84 (struct debug_section_info): Add compressed field.
85 (elf_zlib_failed, elf_zlib_fetch): New static functions.
86 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
87 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
88 (HUFFMAN_SECONDARY_SHIFT): Define.
89 (ZDEBUG_TABLE_SIZE): Define.
90 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
91 (final_next_secondary): New static variable if
92 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
93 (elf_zlib_inflate_table): New static function.
94 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
95 function to produce fixed Huffman table.
96 (elf_zlib_default_table): New static variable.
97 (elf_zlib_inflate): New static function.
98 (elf_zlib_verify_checksum): Likewise.
99 (elf_zlib_inflate_and_verify): Likewise.
100 (elf_uncompress_zdebug): Likewise.
101 (elf_uncompress_chdr): Likewise.
102 (backtrace_uncompress_zdebug): New extern function.
103 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
104 sections, and uncompress them.
105 * internal.h (backtrace_compress_zdebug): Declare.
107 * configure.ac: Check for -lz and check whether the linker
108 supports --compress-debug-sections.
109 * Makefile.am (ztest_SOURCES): New variable.
110 (ztest_CFLAGS, ztest_LDADD): New variables.
111 (check_PROGRAMS): Add ztest.
112 (ctestg_SOURCES): New variable.
113 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
114 (ctesta_SOURCES): New variable.
115 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
116 (check_PROGRAMS): Add ctestg and ctesta.
117 * configure, config.h.in, Makefile.in: Rebuild.
119 2017-09-22 Ian Lance Taylor <iant@golang.org>
122 * configure.ac: Check for lstat and readlink.
123 * elf.c (lstat, readlink): Provide dummy versions if real versions
125 * configure, config.h.in: Rebuild.
127 2017-09-21 Ian Lance Taylor <iant@google.com>
130 * elf.c (backtrace_initialize): Set pd.exe_filename.
132 2017-09-20 Ian Lance Taylor <iant@golang.org>
133 Denis Khalikov <d.khalikov@partner.samsung.com>
136 Support for external debug info.
137 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
138 (S_ISLNK): Define if not defined.
139 (xstrnlen): Define if strnlen is not available.
140 (b_elf_note): Define type.
141 (NT_GNU_BUILD_ID): Define macro.
142 (elf_crc32, elf_crc32_file): New static functions.
143 (elf_is_symlink, elf_readlink): New static functions.
144 (elf_open_debugfile_by_buildid): New static function.
145 (elf_try_debugfile): New static function.
146 (elf_find_debugfile_by_debuglink): New static function.
147 (elf_open_debugfile_by_debuglink): New static function.
148 (elf_add): Add filename and debuginfo parameters. Adjust all
149 callers. Look for external debug info notes, and try to fetch
150 debug info from external file.
151 (struct phdr_data): Add exe_filename field.
152 (phdr_callback): Pass filename to elf_add.
153 (backtrace_initialize): Add filename parameter.
154 * internal.h (backtrace_initialize): Add filename parameter.
155 * fileline.c (fileline_initialize): Pass filename to
156 backtrace_initialize.
157 * pecoff.c (fileline_initialize): Add unused filename parameter.
158 * unknown.c (fileline_initialize): Likewise.
159 * xcoff.c (fileline_initialize): Likewise.
160 * configure.ac: Check for objcopy --add-gnu-debuglink.
161 * Makefile.am (dtest): New test target.
162 * configure, Makefile.in: Rebuild.
164 2017-09-12 Steve Ellcey <sellcey@cavium.com>
167 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
168 * Makefile.in: Regenerate.
170 2017-09-12 Steve Ellcey <sellcey@cavium.com>
173 * libbacktrace/Makefile.in
174 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
176 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
179 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
181 2017-07-28 Tony Reix <tony.reix@atos.net>
183 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
185 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
187 * fileline.c (fileline_initialize): Print pid_t as long.
189 2017-07-26 Tony Reix <tony.reix@atos.net>
191 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
192 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
193 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
194 * configure, config.h.in: Regenerate.
196 2017-07-21 Tony Reix <tony.reix@atos.net>
198 * filetype.awk: Add AIX XCOFF type detection.
199 * configure.ac: Recognize xcoff format.
200 * Makefile.am (FORMAT_FILES): Add xcoff.c.
201 * fileline.c: Include <unistd.h>.
202 (fileline_initialize): Add case for AIX procfs.
204 * configure, Makefile.in: Rebuild.
206 2017-06-21 Richard Biener <rguenther@suse.de>
208 * configure.ac: Add AC_SYS_LARGEFILE.
209 * config.h.in: Regenerate.
210 * configure: Likewise.
212 2017-06-11 Ian Lance Taylor <iant@golang.org>
214 * elf.c (backtrace_initialize): Always set *fileline_fn.
216 * btest.c: Move support functions into testlib.c. Change calls to
217 check to pass file name.
218 * testlib.c: New file, copied from (part of) btest.c.
219 * testlib.h: New file, declarations for testlib.c.
220 * edtest.c: Use testlib.h and testlib.c.
221 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
222 * Makefile.am (btest_SOURCES): Add testlib.c.
223 (edtest_SOURCES): Likewise.
224 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
225 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
226 * configure, Makefile.in: Rebuild.
228 2017-05-19 Than McIntosh <thanm@google.com>
230 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
231 (read_line_header): Don't allocate dirs if dirs_count == 0.
232 * edtest.c: New file.
233 * edtest2.c: New file.
234 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
235 (check_PROGRAMS): Add edtest.
236 (edtest2_build.c, gen_edtest2_build): New targets.
237 * Makefile.in: Rebuild.
239 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
241 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
242 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
244 2017-01-01 Jakub Jelinek <jakub@redhat.com>
246 Update copyright years.
248 2016-11-15 Matthias Klose <doko@ubuntu.com>
250 * configure: Regenerate.
252 2016-09-11 Carlos Liam <carlos@aarzee.me>
254 * all: Remove meaningless trailing whitespace.
256 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
259 * elf.c (phdr_callback) [__i386__]: Add
260 __attribute__((__force_align_arg_pointer__)).
262 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
264 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
265 avoid possible crash.
266 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
267 missing debug info anymore.
269 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
271 * mmap.c (MAP_FAILED): Define if not defined.
273 2016-01-04 Jakub Jelinek <jakub@redhat.com>
275 Update copyright years.
277 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
279 * configure.ac: Specify that DJGPP do not have mmap
280 even when sys/mman.h exists.
281 * configure: Regenerate
283 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
286 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
287 * configure: Regenerate.
288 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
291 2015-09-17 Ian Lance Taylor <iant@google.com>
293 * posix.c (backtrace_open): Cast second argument of open() to int.
295 2015-09-11 Ian Lance Taylor <iant@google.com>
297 * Makefile.am (backtrace.lo): Depend on internal.h.
298 (sort.lo, stest.lo): Add explicit dependencies.
299 * Makefile.in: Rebuild.
301 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
303 * backtrace.c: #include <sys/types.h>.
305 2015-09-08 Ian Lance Taylor <iant@google.com>
308 * backtrace.c: #include "internal.h".
309 (struct backtrace_data): Add can_alloc field.
310 (unwind): If can_alloc is false, don't try to get file/line
312 (backtrace_full): Set can_alloc field in bdata.
313 * alloc.c (backtrace_alloc): Don't call error_callback if it is
315 * mmap.c (backtrace_alloc): Likewise.
316 * internal.h: Update comments for backtrace_alloc and
319 2015-09-08 Ian Lance Taylor <iant@google.com>
322 * mmap.c (backtrace_alloc): Correct test for mmap failure.
324 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
326 * configure.ac: For spu-*-* targets, set have_fcntl to no.
327 * configure: Regenerate.
329 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
331 * configure.ac: Remove [disable-shared] argument to LT_INIT.
332 Remove setting PIC_FLAG when building as target library.
333 * configure: Regenerate.
335 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
337 * configure.ac: Only compile with -fPIC if the target
339 * configure: Regenerate.
341 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
343 * configure.ac: Set have_mmap to no on spu-*-* targets.
344 * configure: Regenerate.
346 2015-08-13 Ian Lance Taylor <iant@google.com>
348 * dwarf.c (read_function_entry): Add vec_inlined parameter.
351 2015-06-11 Martin Sebor <msebor@redhat.com>
354 * dwarf.c (struct line): Add new field idx.
355 (line_compare): Use it.
357 (read_line_info): Reset it.
359 2015-05-29 Tristan Gingold <gingold@adacore.com>
361 * pecoff.c: New file.
362 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
363 * Makefile.in: Regenerate.
364 * filetype.awk: Detect pecoff.
365 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
367 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
369 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
370 * configure: Regenerate.
371 * pecoff.c: New file.
373 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
375 * Makefile.in: Regenerated with automake-1.11.6.
376 * aclocal.m4: Likewise.
377 * configure: Likewise.
379 2015-01-24 Matthias Klose <doko@ubuntu.com>
381 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
382 * configure: Regenerate.
384 2015-01-05 Jakub Jelinek <jakub@redhat.com>
386 Update copyright years.
388 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
391 * configure: Regenerated.
393 2014-11-11 David Malcolm <dmalcolm@redhat.com>
395 * ChangeLog.jit: New.
397 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
400 * configure: Regenerate.
402 2014-10-23 Ian Lance Taylor <iant@google.com>
404 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
405 Fix to return void *.
407 2014-05-08 Ian Lance Taylor <iant@google.com>
409 * mmap.c (backtrace_free): If freeing a large aligned block of
410 memory, call munmap rather than holding onto it.
411 (backtrace_vector_grow): When growing a vector, double the number
412 of pages requested. When releasing the old version of a grown
413 vector, pass the correct size to backtrace_free.
415 2014-03-07 Ian Lance Taylor <iant@google.com>
417 * sort.c (backtrace_qsort): Use middle element as pivot.
419 2014-03-06 Ian Lance Taylor <iant@google.com>
423 * internal.h (backtrace_qsort): Declare.
424 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
425 (read_line_info, read_function_entry): Likewise.
426 (read_function_info, build_dwarf_data): Likewise.
427 * elf.c (elf_initialize_syminfo): Likewise.
428 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
429 (stest_SOURCES, stest_LDADD): Define.
430 (check_PROGRAMS): Add stest.
432 2014-02-07 Misty De Meo <misty@brew.sh>
435 * configure.ac: Use AC_LINK_IFELSE in check for
437 * configure: Regenerate.
439 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
441 Update copyright years
443 2013-12-06 Jakub Jelinek <jakub@redhat.com>
445 * elf.c (ET_DYN): Undefine and define again.
446 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
447 return early -1 without closing the descriptor.
448 (struct phdr_data): Add exe_descriptor.
449 (phdr_callback): If pd->exe_descriptor is not -1, for very first
450 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
451 otherwise backtrace_close the exe_descriptor if not -1. Adjust
453 (backtrace_initialize): Adjust call to elf_add. If it returns
454 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
456 2013-12-05 Ian Lance Taylor <iant@google.com>
458 * alloc.c (backtrace_vector_finish): Add error_callback and data
459 parameters. Call backtrace_vector_release. Return address base.
460 * mmap.c (backtrace_vector_finish): Add error_callback and data
461 parameters. Return address base.
462 * dwarf.c (read_function_info): Get new address base from
463 backtrace_vector_finish.
464 * internal.h (backtrace_vector_finish): Update declaration.
466 2013-11-27 Ian Lance Taylor <iant@google.com>
468 * dwarf.c (find_address_ranges): New static function, broken out
469 of build_address_map.
470 (build_address_map): Call it.
471 * btest.c (check): Check for missing filename or function, rather
473 (f3): Check that enough frames were returned.
475 2013-11-19 Jakub Jelinek <jakub@redhat.com>
477 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
478 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
480 * btest.c (struct symdata): Add size field.
481 (callback_three): Add symsize argument. Copy it to the data->size
483 (f23): Set symdata.size to 0.
484 (test5): Likewise. If sizeof (int) > 1, lookup address of
485 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
488 * atomic.c: Include sys/types.h.
490 2013-11-18 Ian Lance Taylor <iant@google.com>
492 * configure.ac: Check for support of __atomic extensions.
493 * internal.h: Declare or #define atomic functions for use in
495 * atomic.c: New file.
496 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
497 (dwarf_fileline, backtrace_dwarf_add): Likewise.
498 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
499 (backtrace_initialize): Likewise.
500 * fileline.c (fileline_initialize): Likewise.
501 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
502 * configure, config.h.in, Makefile.in: Rebuild.
504 2013-11-18 Jakub Jelinek <jakub@redhat.com>
506 * elf.c (SHN_UNDEF): Define.
507 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
508 with st_shndx == SHN_UNDEF. Add base_address to address fields.
509 (elf_add): Adjust caller.
511 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
513 2013-11-16 Ian Lance Taylor <iant@google.com>
515 * backtrace.h (backtrace_create_state): Correct comment about
518 2013-11-15 Ian Lance Taylor <iant@google.com>
520 * backtrace.h (backtrace_syminfo): Update comment and parameter
521 name to take any address, not just a PC value.
522 * elf.c (STT_OBJECT): Define.
523 (elf_nosyms): Rename parameter pc to addr.
524 (elf_symbol_search): Rename local variable pc to addr.
525 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
526 (elf_syminfo): Rename parameter pc to addr.
527 * btest.c (global): New global variable.
531 2013-10-17 Ian Lance Taylor <iant@google.com>
533 * elf.c (elf_add): Don't get the wrong offsets if a debug section
536 2013-10-15 David Malcolm <dmalcolm@redhat.com>
538 * configure.ac: Add --enable-host-shared, setting up
539 pre-existing PIC_FLAG variable within Makefile.am et al.
540 * configure: Regenerate.
542 2013-09-20 Alan Modra <amodra@gmail.com>
544 * configure: Regenerate.
546 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
548 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
550 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
552 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
553 dl_iterate_phdr callbacks.
555 2013-03-25 Ian Lance Taylor <iant@google.com>
557 * alloc.c: #include <sys/types.h>.
560 2013-01-31 Ian Lance Taylor <iant@google.com>
562 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
563 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
565 2013-01-25 Jakub Jelinek <jakub@redhat.com>
568 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
569 attribute was not seen.
571 2013-01-16 Ian Lance Taylor <iant@google.com>
573 * dwarf.c (struct unit): Add filename and abs_filename fields.
574 (build_address_map): Set new fields when reading unit.
575 (dwarf_lookup_pc): If we don't find an entry in the line table,
576 just return the main file name.
578 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
580 Update copyright years.
582 2013-01-01 Ian Lance Taylor <iant@google.com>
585 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
586 $(MULTIBUILDTOP)/../../gcc/include.
587 * Makefile.in: Rebuild.
589 2013-01-01 Ian Lance Taylor <iant@google.com>
592 * mmap.c (backtrace_alloc): Don't call sync functions if not
594 (backtrace_free): Likewise.
596 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
598 * mmapio.c: Define MAP_FAILED if not defined.
600 2012-12-11 Jakub Jelinek <jakub@redhat.com>
603 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
604 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
605 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
607 * Makefile.in: Regenerated.
608 * configure: Regenerated.
610 2012-12-07 Jakub Jelinek <jakub@redhat.com>
613 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
614 * Makefile.in: Regenerated.
616 2012-11-20 Ian Lance Taylor <iant@google.com>
618 * dwarf.c (read_attribute): Always clear val.
620 2012-11-13 Ian Lance Taylor <iant@google.com>
623 * configure.ac: Only add -Werror if building a target library.
624 * configure: Rebuild.
626 2012-11-12 Ian Lance Taylor <iant@google.com>
627 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
628 Gerald Pfeifer <gerald@pfeifer.com>
630 * configure.ac: Check for getexecname.
631 * fileline.c: #include <errno.h>. Define getexecname if not
633 (fileline_initialize): Try to find the executable in a few
635 * print.c (error_callback): Only print the filename if it came
636 from the backtrace state.
637 * configure, config.h.in: Rebuild.
639 2012-10-29 Ian Lance Taylor <iant@google.com>
641 * mmap.c (backtrace_vector_release): Correct last patch: add
644 2012-10-29 Ian Lance Taylor <iant@google.com>
646 * mmap.c (backtrace_vector_release): Make sure freed block is
647 aligned on 8-byte boundary.
649 2012-10-26 Ian Lance Taylor <iant@google.com>
652 * posix.c (backtrace_open): Add does_not_exist parameter.
653 * elf.c (phdr_callback): Do not warn if shared library could not
655 * fileline.c (fileline_initialize): Update calls to
657 * internal.h (backtrace_open): Update declaration.
659 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
662 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
663 * configure: Regenerate.
665 2012-10-24 Ian Lance Taylor <iant@google.com>
668 * configure.ac: Check whether -funwind-tables option works.
669 * configure: Rebuild.
671 2012-10-11 Ian Lance Taylor <iant@google.com>
673 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
674 * configure: Rebuild.
676 2012-10-10 Ian Lance Taylor <iant@google.com>
678 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
681 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
683 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
685 2012-10-09 Ian Lance Taylor <iant@google.com>
687 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
688 (backtrace_dwarf_add): Likewise.
690 2012-10-09 Ian Lance Taylor <iant@google.com>
692 Add support for tracing through shared libraries.
693 * configure.ac: Check for link.h and dl_iterate_phdr.
694 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
695 ELF macros before #defining them.
696 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
698 (struct elf_syminfo_data): Add next field.
699 (elf_initialize_syminfo): Initialize next field.
700 (elf_add_syminfo_data): New static function.
701 (elf_add): New static function, broken out of
702 backtrace_initialize. Call backtrace_dwarf_add instead of
703 backtrace_dwarf_initialize.
704 (struct phdr_data): Define.
705 (phdr_callback): New static function.
706 (backtrace_initialize): Call elf_add.
707 * dwarf.c (struct dwarf_data): Add next and base_address fields.
708 (add_unit_addr): Add base_address parameter. Change all callers.
709 (add_unit_ranges, build_address_map): Likewise.
710 (add_line): Add ddata parameter. Change all callers.
711 (read_line_program, add_function_range): Likewise.
712 (dwarf_lookup_pc): New static function, broken out of
714 (dwarf_fileline): Call dwarf_lookup_pc.
715 (build_dwarf_data): New static function.
716 (backtrace_dwarf_add): New function.
717 (backtrace_dwarf_initialize): Remove.
718 * internal.h (backtrace_dwarf_initialize): Don't declare.
719 (backtrace_dwarf_add): Declare.
720 * configure, config.h.in: Rebuild.
722 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
724 * btest.c (f23): Avoid uninitialized variable warning.
726 2012-10-04 Ian Lance Taylor <iant@google.com>
728 * dwarf.c: If the system header files do not declare strnlen,
729 provide our own version.
731 2012-10-03 Ian Lance Taylor <iant@google.com>
733 * dwarf.c (read_uleb128): Fix overflow test.
734 (read_sleb128): Likewise.
735 (build_address_map): Don't change unit_buf.start.
737 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
740 * configure.ac (EXTRA_FLAGS): New.
741 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
742 * configure, Makefile.in: Regenerate.
744 2012-09-29 Ian Lance Taylor <iant@google.com>
747 * fileline.c (fileline_initialize): Pass errnum as -1 when
748 reporting that we could not read executable information after a
751 2012-09-27 Ian Lance Taylor <iant@google.com>
754 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
755 * Makefile.am: Add dependencies for all objects.
756 * configure, aclocal.m4, Makefile.in: Rebuild.
758 2012-09-27 Ian Lance Taylor <iant@google.com>
761 * elf.c (backtrace_initialize): Set *fileln_fn, not
764 2012-09-19 Ian Lance Taylor <iant@google.com>
766 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
768 * configure: Rebuild.
770 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
771 Ian Lance Taylor <iant@google.com>
773 * configure.ac (GCC_HEADER_STDINT): Invoke.
774 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
775 * btest.c: Don't include <stdint.h>.
777 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
779 2012-09-18 Ian Lance Taylor <iant@google.com>
782 * Makefile.am (AM_CPPFLAGS): Define.
783 (AM_CFLAGS): Remove -I options.
784 * Makefile.in: Rebuild.
786 2012-09-18 Ian Lance Taylor <iant@google.com>
788 * posix.c (O_BINARY): Define if not defined.
789 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
790 HAVE_FCNTL is defined.
791 * configure.ac: Test for the fcntl function.
792 * configure, config.h.in: Rebuild.
794 2012-09-18 Ian Lance Taylor <iant@google.com>
796 * btest.c (test1, test2, test3, test4): Add the unused attribute.
798 2012-09-18 Ian Lance Taylor <iant@google.com>
800 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
802 2012-09-18 Ian Lance Taylor <iant@google.com>
804 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
805 * mmapio.c: Don't define _GNU_SOURCE.
806 * configure, config.h.in: Rebuild.
808 2012-09-18 Ian Lance Taylor <iant@google.com>
810 * configure.ac: Check whether strnlen is declared.
811 * dwarf.c: Declare strnlen if not declared.
812 * configure, config.h.in: Rebuild.
814 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
816 * fileline.c: Include <stdlib.h>.
819 2012-09-17 Ian Lance Taylor <iant@google.com>
822 * nounwind.c (backtrace_full): Rename from backtrace. Add state
825 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
828 * nounwind.c (backtrace_simple): Add state parameter.
830 2012-09-17 Ian Lance Taylor <iant@google.com>
833 * unknown.c (unknown_fileline): Add state parameter, remove
834 fileline_data parameter, name error_callback parameter.
835 (backtrace_initialize): Add state parameter.
837 2012-09-17 Ian Lance Taylor <iant@google.com>
839 * Initial implementation.
841 Copyright (C) 2012-2018 Free Software Foundation, Inc.
843 Copying and distribution of this file, with or without modification,
844 are permitted in any medium without royalty provided the copyright
845 notice and this notice are preserved.