1 2018-01-19 Tony Reix <tony.reix@atos.net>
3 * xcoff.c (xcoff_incl_compare): New function.
4 (xcoff_incl_search): New function.
5 (xcoff_process_linenos): Use bsearch to find include file.
6 (xcoff_initialize_fileline): Sort include file information.
8 2018-01-16 Ian Lance Taylor <iant@golang.org>
10 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
12 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
13 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
14 (elf_zlib_default_table): Update.
15 (elf_zlib_default_dist_table): New static array.
16 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
18 * ztest.c (struct zlib_test): Add uncompressed_len.
19 (tests): Initialize uncompressed_len field. Add new test case.
20 (test_samples): Use uncompressed_len field.
22 2018-01-03 Jakub Jelinek <jakub@redhat.com>
24 Update copyright years.
26 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
28 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
29 * aclocal.m4: Regenerate.
30 * Makefile.in: Likewise.
31 * configure: Likewise.
33 2017-10-06 Ian Lance Taylor <iant@golang.org>
35 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
36 zlib uncompress function.
38 2017-10-05 Ian Lance Taylor <iant@golang.org>
40 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
41 Read a four byte integer.
42 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
43 boundary before ever calling elf_zlib_fetch.
44 * ztest.c (test_large): Simplify print statements a bit.
46 2017-10-02 Ian Lance Taylor <iant@golang.org>
48 * ztest.c: #include <errno.h>.
49 (TEST_TIMING): Don't define, don't test.
50 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
51 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
52 (ZLIB_CLOCK_GETTIME_ARG): Define.
53 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
54 * Makefile.am: Likewise.
55 * configure, Makefile.in: Rebuild.
57 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
60 * Makefile.am: Append the content of clock_gettime_link to
62 * configure.ac: Test for the case that clock_gettime is in librt.
63 * Makefile.in: Regenerate.
64 * configure: Likewise.
67 * configure.ac: Check for clock_gettime.
68 * config.h.in: Regenerate.
69 * configure: Likewise.
70 * ztest.c (average_time, test_large): Conditionalize test timing
71 on clock_gettime availability.
73 2017-09-29 Tony Reix <tony.reix@atos.net>
75 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
76 (STYP_DWARF, SSUBTYP_DW*): Define.
77 (enum dwarf_section): Define.
78 (struct dwsect_info): Define.
79 (xcoff_add): Look for DWARF sections, pass them to
82 2017-09-28 Ian Lance Taylor <iant@golang.org>
85 * elf.c (__builtin_prefetch): Define if not __GNUC__.
87 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
88 (b_elf_chdr): Define type.
89 (enum debug_section): Add ZDEBUG_xxx values.
90 (debug_section_names): Add names for new sections.
91 (struct debug_section_info): Add compressed field.
92 (elf_zlib_failed, elf_zlib_fetch): New static functions.
93 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
94 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
95 (HUFFMAN_SECONDARY_SHIFT): Define.
96 (ZDEBUG_TABLE_SIZE): Define.
97 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
98 (final_next_secondary): New static variable if
99 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
100 (elf_zlib_inflate_table): New static function.
101 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
102 function to produce fixed Huffman table.
103 (elf_zlib_default_table): New static variable.
104 (elf_zlib_inflate): New static function.
105 (elf_zlib_verify_checksum): Likewise.
106 (elf_zlib_inflate_and_verify): Likewise.
107 (elf_uncompress_zdebug): Likewise.
108 (elf_uncompress_chdr): Likewise.
109 (backtrace_uncompress_zdebug): New extern function.
110 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
111 sections, and uncompress them.
112 * internal.h (backtrace_compress_zdebug): Declare.
114 * configure.ac: Check for -lz and check whether the linker
115 supports --compress-debug-sections.
116 * Makefile.am (ztest_SOURCES): New variable.
117 (ztest_CFLAGS, ztest_LDADD): New variables.
118 (check_PROGRAMS): Add ztest.
119 (ctestg_SOURCES): New variable.
120 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
121 (ctesta_SOURCES): New variable.
122 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
123 (check_PROGRAMS): Add ctestg and ctesta.
124 * configure, config.h.in, Makefile.in: Rebuild.
126 2017-09-22 Ian Lance Taylor <iant@golang.org>
129 * configure.ac: Check for lstat and readlink.
130 * elf.c (lstat, readlink): Provide dummy versions if real versions
132 * configure, config.h.in: Rebuild.
134 2017-09-21 Ian Lance Taylor <iant@google.com>
137 * elf.c (backtrace_initialize): Set pd.exe_filename.
139 2017-09-20 Ian Lance Taylor <iant@golang.org>
140 Denis Khalikov <d.khalikov@partner.samsung.com>
143 Support for external debug info.
144 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
145 (S_ISLNK): Define if not defined.
146 (xstrnlen): Define if strnlen is not available.
147 (b_elf_note): Define type.
148 (NT_GNU_BUILD_ID): Define macro.
149 (elf_crc32, elf_crc32_file): New static functions.
150 (elf_is_symlink, elf_readlink): New static functions.
151 (elf_open_debugfile_by_buildid): New static function.
152 (elf_try_debugfile): New static function.
153 (elf_find_debugfile_by_debuglink): New static function.
154 (elf_open_debugfile_by_debuglink): New static function.
155 (elf_add): Add filename and debuginfo parameters. Adjust all
156 callers. Look for external debug info notes, and try to fetch
157 debug info from external file.
158 (struct phdr_data): Add exe_filename field.
159 (phdr_callback): Pass filename to elf_add.
160 (backtrace_initialize): Add filename parameter.
161 * internal.h (backtrace_initialize): Add filename parameter.
162 * fileline.c (fileline_initialize): Pass filename to
163 backtrace_initialize.
164 * pecoff.c (fileline_initialize): Add unused filename parameter.
165 * unknown.c (fileline_initialize): Likewise.
166 * xcoff.c (fileline_initialize): Likewise.
167 * configure.ac: Check for objcopy --add-gnu-debuglink.
168 * Makefile.am (dtest): New test target.
169 * configure, Makefile.in: Rebuild.
171 2017-09-12 Steve Ellcey <sellcey@cavium.com>
174 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
175 * Makefile.in: Regenerate.
177 2017-09-12 Steve Ellcey <sellcey@cavium.com>
180 * libbacktrace/Makefile.in
181 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
183 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
186 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
188 2017-07-28 Tony Reix <tony.reix@atos.net>
190 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
192 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
194 * fileline.c (fileline_initialize): Print pid_t as long.
196 2017-07-26 Tony Reix <tony.reix@atos.net>
198 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
199 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
200 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
201 * configure, config.h.in: Regenerate.
203 2017-07-21 Tony Reix <tony.reix@atos.net>
205 * filetype.awk: Add AIX XCOFF type detection.
206 * configure.ac: Recognize xcoff format.
207 * Makefile.am (FORMAT_FILES): Add xcoff.c.
208 * fileline.c: Include <unistd.h>.
209 (fileline_initialize): Add case for AIX procfs.
211 * configure, Makefile.in: Rebuild.
213 2017-06-21 Richard Biener <rguenther@suse.de>
215 * configure.ac: Add AC_SYS_LARGEFILE.
216 * config.h.in: Regenerate.
217 * configure: Likewise.
219 2017-06-11 Ian Lance Taylor <iant@golang.org>
221 * elf.c (backtrace_initialize): Always set *fileline_fn.
223 * btest.c: Move support functions into testlib.c. Change calls to
224 check to pass file name.
225 * testlib.c: New file, copied from (part of) btest.c.
226 * testlib.h: New file, declarations for testlib.c.
227 * edtest.c: Use testlib.h and testlib.c.
228 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
229 * Makefile.am (btest_SOURCES): Add testlib.c.
230 (edtest_SOURCES): Likewise.
231 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
232 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
233 * configure, Makefile.in: Rebuild.
235 2017-05-19 Than McIntosh <thanm@google.com>
237 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
238 (read_line_header): Don't allocate dirs if dirs_count == 0.
239 * edtest.c: New file.
240 * edtest2.c: New file.
241 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
242 (check_PROGRAMS): Add edtest.
243 (edtest2_build.c, gen_edtest2_build): New targets.
244 * Makefile.in: Rebuild.
246 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
248 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
249 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
251 2017-01-01 Jakub Jelinek <jakub@redhat.com>
253 Update copyright years.
255 2016-11-15 Matthias Klose <doko@ubuntu.com>
257 * configure: Regenerate.
259 2016-09-11 Carlos Liam <carlos@aarzee.me>
261 * all: Remove meaningless trailing whitespace.
263 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
266 * elf.c (phdr_callback) [__i386__]: Add
267 __attribute__((__force_align_arg_pointer__)).
269 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
271 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
272 avoid possible crash.
273 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
274 missing debug info anymore.
276 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
278 * mmap.c (MAP_FAILED): Define if not defined.
280 2016-01-04 Jakub Jelinek <jakub@redhat.com>
282 Update copyright years.
284 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
286 * configure.ac: Specify that DJGPP do not have mmap
287 even when sys/mman.h exists.
288 * configure: Regenerate
290 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
293 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
294 * configure: Regenerate.
295 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
298 2015-09-17 Ian Lance Taylor <iant@google.com>
300 * posix.c (backtrace_open): Cast second argument of open() to int.
302 2015-09-11 Ian Lance Taylor <iant@google.com>
304 * Makefile.am (backtrace.lo): Depend on internal.h.
305 (sort.lo, stest.lo): Add explicit dependencies.
306 * Makefile.in: Rebuild.
308 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
310 * backtrace.c: #include <sys/types.h>.
312 2015-09-08 Ian Lance Taylor <iant@google.com>
315 * backtrace.c: #include "internal.h".
316 (struct backtrace_data): Add can_alloc field.
317 (unwind): If can_alloc is false, don't try to get file/line
319 (backtrace_full): Set can_alloc field in bdata.
320 * alloc.c (backtrace_alloc): Don't call error_callback if it is
322 * mmap.c (backtrace_alloc): Likewise.
323 * internal.h: Update comments for backtrace_alloc and
326 2015-09-08 Ian Lance Taylor <iant@google.com>
329 * mmap.c (backtrace_alloc): Correct test for mmap failure.
331 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
333 * configure.ac: For spu-*-* targets, set have_fcntl to no.
334 * configure: Regenerate.
336 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
338 * configure.ac: Remove [disable-shared] argument to LT_INIT.
339 Remove setting PIC_FLAG when building as target library.
340 * configure: Regenerate.
342 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
344 * configure.ac: Only compile with -fPIC if the target
346 * configure: Regenerate.
348 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
350 * configure.ac: Set have_mmap to no on spu-*-* targets.
351 * configure: Regenerate.
353 2015-08-13 Ian Lance Taylor <iant@google.com>
355 * dwarf.c (read_function_entry): Add vec_inlined parameter.
358 2015-06-11 Martin Sebor <msebor@redhat.com>
361 * dwarf.c (struct line): Add new field idx.
362 (line_compare): Use it.
364 (read_line_info): Reset it.
366 2015-05-29 Tristan Gingold <gingold@adacore.com>
368 * pecoff.c: New file.
369 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
370 * Makefile.in: Regenerate.
371 * filetype.awk: Detect pecoff.
372 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
374 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
376 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
377 * configure: Regenerate.
378 * pecoff.c: New file.
380 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
382 * Makefile.in: Regenerated with automake-1.11.6.
383 * aclocal.m4: Likewise.
384 * configure: Likewise.
386 2015-01-24 Matthias Klose <doko@ubuntu.com>
388 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
389 * configure: Regenerate.
391 2015-01-05 Jakub Jelinek <jakub@redhat.com>
393 Update copyright years.
395 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
398 * configure: Regenerated.
400 2014-11-11 David Malcolm <dmalcolm@redhat.com>
402 * ChangeLog.jit: New.
404 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
407 * configure: Regenerate.
409 2014-10-23 Ian Lance Taylor <iant@google.com>
411 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
412 Fix to return void *.
414 2014-05-08 Ian Lance Taylor <iant@google.com>
416 * mmap.c (backtrace_free): If freeing a large aligned block of
417 memory, call munmap rather than holding onto it.
418 (backtrace_vector_grow): When growing a vector, double the number
419 of pages requested. When releasing the old version of a grown
420 vector, pass the correct size to backtrace_free.
422 2014-03-07 Ian Lance Taylor <iant@google.com>
424 * sort.c (backtrace_qsort): Use middle element as pivot.
426 2014-03-06 Ian Lance Taylor <iant@google.com>
430 * internal.h (backtrace_qsort): Declare.
431 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
432 (read_line_info, read_function_entry): Likewise.
433 (read_function_info, build_dwarf_data): Likewise.
434 * elf.c (elf_initialize_syminfo): Likewise.
435 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
436 (stest_SOURCES, stest_LDADD): Define.
437 (check_PROGRAMS): Add stest.
439 2014-02-07 Misty De Meo <misty@brew.sh>
442 * configure.ac: Use AC_LINK_IFELSE in check for
444 * configure: Regenerate.
446 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
448 Update copyright years
450 2013-12-06 Jakub Jelinek <jakub@redhat.com>
452 * elf.c (ET_DYN): Undefine and define again.
453 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
454 return early -1 without closing the descriptor.
455 (struct phdr_data): Add exe_descriptor.
456 (phdr_callback): If pd->exe_descriptor is not -1, for very first
457 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
458 otherwise backtrace_close the exe_descriptor if not -1. Adjust
460 (backtrace_initialize): Adjust call to elf_add. If it returns
461 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
463 2013-12-05 Ian Lance Taylor <iant@google.com>
465 * alloc.c (backtrace_vector_finish): Add error_callback and data
466 parameters. Call backtrace_vector_release. Return address base.
467 * mmap.c (backtrace_vector_finish): Add error_callback and data
468 parameters. Return address base.
469 * dwarf.c (read_function_info): Get new address base from
470 backtrace_vector_finish.
471 * internal.h (backtrace_vector_finish): Update declaration.
473 2013-11-27 Ian Lance Taylor <iant@google.com>
475 * dwarf.c (find_address_ranges): New static function, broken out
476 of build_address_map.
477 (build_address_map): Call it.
478 * btest.c (check): Check for missing filename or function, rather
480 (f3): Check that enough frames were returned.
482 2013-11-19 Jakub Jelinek <jakub@redhat.com>
484 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
485 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
487 * btest.c (struct symdata): Add size field.
488 (callback_three): Add symsize argument. Copy it to the data->size
490 (f23): Set symdata.size to 0.
491 (test5): Likewise. If sizeof (int) > 1, lookup address of
492 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
495 * atomic.c: Include sys/types.h.
497 2013-11-18 Ian Lance Taylor <iant@google.com>
499 * configure.ac: Check for support of __atomic extensions.
500 * internal.h: Declare or #define atomic functions for use in
502 * atomic.c: New file.
503 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
504 (dwarf_fileline, backtrace_dwarf_add): Likewise.
505 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
506 (backtrace_initialize): Likewise.
507 * fileline.c (fileline_initialize): Likewise.
508 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
509 * configure, config.h.in, Makefile.in: Rebuild.
511 2013-11-18 Jakub Jelinek <jakub@redhat.com>
513 * elf.c (SHN_UNDEF): Define.
514 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
515 with st_shndx == SHN_UNDEF. Add base_address to address fields.
516 (elf_add): Adjust caller.
518 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
520 2013-11-16 Ian Lance Taylor <iant@google.com>
522 * backtrace.h (backtrace_create_state): Correct comment about
525 2013-11-15 Ian Lance Taylor <iant@google.com>
527 * backtrace.h (backtrace_syminfo): Update comment and parameter
528 name to take any address, not just a PC value.
529 * elf.c (STT_OBJECT): Define.
530 (elf_nosyms): Rename parameter pc to addr.
531 (elf_symbol_search): Rename local variable pc to addr.
532 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
533 (elf_syminfo): Rename parameter pc to addr.
534 * btest.c (global): New global variable.
538 2013-10-17 Ian Lance Taylor <iant@google.com>
540 * elf.c (elf_add): Don't get the wrong offsets if a debug section
543 2013-10-15 David Malcolm <dmalcolm@redhat.com>
545 * configure.ac: Add --enable-host-shared, setting up
546 pre-existing PIC_FLAG variable within Makefile.am et al.
547 * configure: Regenerate.
549 2013-09-20 Alan Modra <amodra@gmail.com>
551 * configure: Regenerate.
553 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
555 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
557 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
559 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
560 dl_iterate_phdr callbacks.
562 2013-03-25 Ian Lance Taylor <iant@google.com>
564 * alloc.c: #include <sys/types.h>.
567 2013-01-31 Ian Lance Taylor <iant@google.com>
569 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
570 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
572 2013-01-25 Jakub Jelinek <jakub@redhat.com>
575 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
576 attribute was not seen.
578 2013-01-16 Ian Lance Taylor <iant@google.com>
580 * dwarf.c (struct unit): Add filename and abs_filename fields.
581 (build_address_map): Set new fields when reading unit.
582 (dwarf_lookup_pc): If we don't find an entry in the line table,
583 just return the main file name.
585 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
587 Update copyright years.
589 2013-01-01 Ian Lance Taylor <iant@google.com>
592 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
593 $(MULTIBUILDTOP)/../../gcc/include.
594 * Makefile.in: Rebuild.
596 2013-01-01 Ian Lance Taylor <iant@google.com>
599 * mmap.c (backtrace_alloc): Don't call sync functions if not
601 (backtrace_free): Likewise.
603 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
605 * mmapio.c: Define MAP_FAILED if not defined.
607 2012-12-11 Jakub Jelinek <jakub@redhat.com>
610 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
611 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
612 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
614 * Makefile.in: Regenerated.
615 * configure: Regenerated.
617 2012-12-07 Jakub Jelinek <jakub@redhat.com>
620 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
621 * Makefile.in: Regenerated.
623 2012-11-20 Ian Lance Taylor <iant@google.com>
625 * dwarf.c (read_attribute): Always clear val.
627 2012-11-13 Ian Lance Taylor <iant@google.com>
630 * configure.ac: Only add -Werror if building a target library.
631 * configure: Rebuild.
633 2012-11-12 Ian Lance Taylor <iant@google.com>
634 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
635 Gerald Pfeifer <gerald@pfeifer.com>
637 * configure.ac: Check for getexecname.
638 * fileline.c: #include <errno.h>. Define getexecname if not
640 (fileline_initialize): Try to find the executable in a few
642 * print.c (error_callback): Only print the filename if it came
643 from the backtrace state.
644 * configure, config.h.in: Rebuild.
646 2012-10-29 Ian Lance Taylor <iant@google.com>
648 * mmap.c (backtrace_vector_release): Correct last patch: add
651 2012-10-29 Ian Lance Taylor <iant@google.com>
653 * mmap.c (backtrace_vector_release): Make sure freed block is
654 aligned on 8-byte boundary.
656 2012-10-26 Ian Lance Taylor <iant@google.com>
659 * posix.c (backtrace_open): Add does_not_exist parameter.
660 * elf.c (phdr_callback): Do not warn if shared library could not
662 * fileline.c (fileline_initialize): Update calls to
664 * internal.h (backtrace_open): Update declaration.
666 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
669 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
670 * configure: Regenerate.
672 2012-10-24 Ian Lance Taylor <iant@google.com>
675 * configure.ac: Check whether -funwind-tables option works.
676 * configure: Rebuild.
678 2012-10-11 Ian Lance Taylor <iant@google.com>
680 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
681 * configure: Rebuild.
683 2012-10-10 Ian Lance Taylor <iant@google.com>
685 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
688 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
690 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
692 2012-10-09 Ian Lance Taylor <iant@google.com>
694 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
695 (backtrace_dwarf_add): Likewise.
697 2012-10-09 Ian Lance Taylor <iant@google.com>
699 Add support for tracing through shared libraries.
700 * configure.ac: Check for link.h and dl_iterate_phdr.
701 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
702 ELF macros before #defining them.
703 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
705 (struct elf_syminfo_data): Add next field.
706 (elf_initialize_syminfo): Initialize next field.
707 (elf_add_syminfo_data): New static function.
708 (elf_add): New static function, broken out of
709 backtrace_initialize. Call backtrace_dwarf_add instead of
710 backtrace_dwarf_initialize.
711 (struct phdr_data): Define.
712 (phdr_callback): New static function.
713 (backtrace_initialize): Call elf_add.
714 * dwarf.c (struct dwarf_data): Add next and base_address fields.
715 (add_unit_addr): Add base_address parameter. Change all callers.
716 (add_unit_ranges, build_address_map): Likewise.
717 (add_line): Add ddata parameter. Change all callers.
718 (read_line_program, add_function_range): Likewise.
719 (dwarf_lookup_pc): New static function, broken out of
721 (dwarf_fileline): Call dwarf_lookup_pc.
722 (build_dwarf_data): New static function.
723 (backtrace_dwarf_add): New function.
724 (backtrace_dwarf_initialize): Remove.
725 * internal.h (backtrace_dwarf_initialize): Don't declare.
726 (backtrace_dwarf_add): Declare.
727 * configure, config.h.in: Rebuild.
729 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
731 * btest.c (f23): Avoid uninitialized variable warning.
733 2012-10-04 Ian Lance Taylor <iant@google.com>
735 * dwarf.c: If the system header files do not declare strnlen,
736 provide our own version.
738 2012-10-03 Ian Lance Taylor <iant@google.com>
740 * dwarf.c (read_uleb128): Fix overflow test.
741 (read_sleb128): Likewise.
742 (build_address_map): Don't change unit_buf.start.
744 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
747 * configure.ac (EXTRA_FLAGS): New.
748 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
749 * configure, Makefile.in: Regenerate.
751 2012-09-29 Ian Lance Taylor <iant@google.com>
754 * fileline.c (fileline_initialize): Pass errnum as -1 when
755 reporting that we could not read executable information after a
758 2012-09-27 Ian Lance Taylor <iant@google.com>
761 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
762 * Makefile.am: Add dependencies for all objects.
763 * configure, aclocal.m4, Makefile.in: Rebuild.
765 2012-09-27 Ian Lance Taylor <iant@google.com>
768 * elf.c (backtrace_initialize): Set *fileln_fn, not
771 2012-09-19 Ian Lance Taylor <iant@google.com>
773 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
775 * configure: Rebuild.
777 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
778 Ian Lance Taylor <iant@google.com>
780 * configure.ac (GCC_HEADER_STDINT): Invoke.
781 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
782 * btest.c: Don't include <stdint.h>.
784 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
786 2012-09-18 Ian Lance Taylor <iant@google.com>
789 * Makefile.am (AM_CPPFLAGS): Define.
790 (AM_CFLAGS): Remove -I options.
791 * Makefile.in: Rebuild.
793 2012-09-18 Ian Lance Taylor <iant@google.com>
795 * posix.c (O_BINARY): Define if not defined.
796 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
797 HAVE_FCNTL is defined.
798 * configure.ac: Test for the fcntl function.
799 * configure, config.h.in: Rebuild.
801 2012-09-18 Ian Lance Taylor <iant@google.com>
803 * btest.c (test1, test2, test3, test4): Add the unused attribute.
805 2012-09-18 Ian Lance Taylor <iant@google.com>
807 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
809 2012-09-18 Ian Lance Taylor <iant@google.com>
811 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
812 * mmapio.c: Don't define _GNU_SOURCE.
813 * configure, config.h.in: Rebuild.
815 2012-09-18 Ian Lance Taylor <iant@google.com>
817 * configure.ac: Check whether strnlen is declared.
818 * dwarf.c: Declare strnlen if not declared.
819 * configure, config.h.in: Rebuild.
821 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
823 * fileline.c: Include <stdlib.h>.
826 2012-09-17 Ian Lance Taylor <iant@google.com>
829 * nounwind.c (backtrace_full): Rename from backtrace. Add state
832 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
835 * nounwind.c (backtrace_simple): Add state parameter.
837 2012-09-17 Ian Lance Taylor <iant@google.com>
840 * unknown.c (unknown_fileline): Add state parameter, remove
841 fileline_data parameter, name error_callback parameter.
842 (backtrace_initialize): Add state parameter.
844 2012-09-17 Ian Lance Taylor <iant@google.com>
846 * Initial implementation.
848 Copyright (C) 2012-2018 Free Software Foundation, Inc.
850 Copying and distribution of this file, with or without modification,
851 are permitted in any medium without royalty provided the copyright
852 notice and this notice are preserved.