1 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
3 * configure: Regenerated.
5 2018-04-19 Jakub Jelinek <jakub@redhat.com>
7 * configure: Regenerated.
9 2018-04-17 Ian Lance Taylor <iant@golang.org>
11 * backtrace.c: Revert last two changes. Don't call mmap
14 2018-04-17 Ian Lance Taylor <iant@golang.org>
16 * backtrace.c: Include backtrace-supported.h before checking
17 BACKTRACE_USES_MALLOC.
19 2018-04-17 Ian Lance Taylor <iant@golang.org>
21 * backtrace.c (backtrace_full): When testing whether we can
22 allocate memory, call mmap directly, and munmap the memory.
24 2018-04-04 Jakub Jelinek <jakub@redhat.com>
27 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
28 big endian, only use 32-bit loads if endianity macros are predefined
29 and indicate big or little endian.
31 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
34 * configure: Regenerate.
36 2018-02-15 Jakub Jelinek <jakub@redhat.com>
39 * elf.c (SHT_PROGBITS): Undefine and define.
41 2018-02-14 Jakub Jelinek <jakub@redhat.com>
44 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
45 (struct elf_ppc64_opd_data): New type.
46 (elf_initialize_syminfo): Add opd argument, handle symbols
47 pointing into the PowerPC64 ELFv1 .opd section.
48 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
49 to structure with .opd data to elf_initialize_syminfo.
51 2018-01-31 Ian Lance Taylor <iant@golang.org>
53 * elf.c (elf_add): Close descriptor if we use a debugfile.
54 * btest.c (check_open_files): New static function.
55 (main): Call check_open_files.
57 2018-01-25 Ian Lance Taylor <iant@golang.org>
59 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
61 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
63 2018-01-25 Ian Lance Taylor <iant@golang.org>
65 * pecoff.c (coff_add): Only release syms_view if it is valid.
67 2018-01-25 Ian Lance Taylor <iant@golang.org>
69 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
71 2018-01-24 Ian Lance Taylor <iant@golang.org>
73 * pecoff.c (coff_add): Use coff_read4, not memcpy.
75 2018-01-24 Ian Lance Taylor <iant@golang.org>
78 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
81 2018-01-19 Tony Reix <tony.reix@atos.net>
83 * xcoff.c (xcoff_incl_compare): New function.
84 (xcoff_incl_search): New function.
85 (xcoff_process_linenos): Use bsearch to find include file.
86 (xcoff_initialize_fileline): Sort include file information.
88 2018-01-16 Ian Lance Taylor <iant@golang.org>
90 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
92 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
93 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
94 (elf_zlib_default_table): Update.
95 (elf_zlib_default_dist_table): New static array.
96 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
98 * ztest.c (struct zlib_test): Add uncompressed_len.
99 (tests): Initialize uncompressed_len field. Add new test case.
100 (test_samples): Use uncompressed_len field.
102 2018-01-03 Jakub Jelinek <jakub@redhat.com>
104 Update copyright years.
106 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
108 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
109 * aclocal.m4: Regenerate.
110 * Makefile.in: Likewise.
111 * configure: Likewise.
113 2017-10-06 Ian Lance Taylor <iant@golang.org>
115 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
116 zlib uncompress function.
118 2017-10-05 Ian Lance Taylor <iant@golang.org>
120 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
121 Read a four byte integer.
122 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
123 boundary before ever calling elf_zlib_fetch.
124 * ztest.c (test_large): Simplify print statements a bit.
126 2017-10-02 Ian Lance Taylor <iant@golang.org>
128 * ztest.c: #include <errno.h>.
129 (TEST_TIMING): Don't define, don't test.
130 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
131 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
132 (ZLIB_CLOCK_GETTIME_ARG): Define.
133 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
134 * Makefile.am: Likewise.
135 * configure, Makefile.in: Rebuild.
137 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
140 * Makefile.am: Append the content of clock_gettime_link to
142 * configure.ac: Test for the case that clock_gettime is in librt.
143 * Makefile.in: Regenerate.
144 * configure: Likewise.
147 * configure.ac: Check for clock_gettime.
148 * config.h.in: Regenerate.
149 * configure: Likewise.
150 * ztest.c (average_time, test_large): Conditionalize test timing
151 on clock_gettime availability.
153 2017-09-29 Tony Reix <tony.reix@atos.net>
155 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
156 (STYP_DWARF, SSUBTYP_DW*): Define.
157 (enum dwarf_section): Define.
158 (struct dwsect_info): Define.
159 (xcoff_add): Look for DWARF sections, pass them to
162 2017-09-28 Ian Lance Taylor <iant@golang.org>
165 * elf.c (__builtin_prefetch): Define if not __GNUC__.
167 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
168 (b_elf_chdr): Define type.
169 (enum debug_section): Add ZDEBUG_xxx values.
170 (debug_section_names): Add names for new sections.
171 (struct debug_section_info): Add compressed field.
172 (elf_zlib_failed, elf_zlib_fetch): New static functions.
173 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
174 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
175 (HUFFMAN_SECONDARY_SHIFT): Define.
176 (ZDEBUG_TABLE_SIZE): Define.
177 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
178 (final_next_secondary): New static variable if
179 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
180 (elf_zlib_inflate_table): New static function.
181 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
182 function to produce fixed Huffman table.
183 (elf_zlib_default_table): New static variable.
184 (elf_zlib_inflate): New static function.
185 (elf_zlib_verify_checksum): Likewise.
186 (elf_zlib_inflate_and_verify): Likewise.
187 (elf_uncompress_zdebug): Likewise.
188 (elf_uncompress_chdr): Likewise.
189 (backtrace_uncompress_zdebug): New extern function.
190 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
191 sections, and uncompress them.
192 * internal.h (backtrace_compress_zdebug): Declare.
194 * configure.ac: Check for -lz and check whether the linker
195 supports --compress-debug-sections.
196 * Makefile.am (ztest_SOURCES): New variable.
197 (ztest_CFLAGS, ztest_LDADD): New variables.
198 (check_PROGRAMS): Add ztest.
199 (ctestg_SOURCES): New variable.
200 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
201 (ctesta_SOURCES): New variable.
202 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
203 (check_PROGRAMS): Add ctestg and ctesta.
204 * configure, config.h.in, Makefile.in: Rebuild.
206 2017-09-22 Ian Lance Taylor <iant@golang.org>
209 * configure.ac: Check for lstat and readlink.
210 * elf.c (lstat, readlink): Provide dummy versions if real versions
212 * configure, config.h.in: Rebuild.
214 2017-09-21 Ian Lance Taylor <iant@google.com>
217 * elf.c (backtrace_initialize): Set pd.exe_filename.
219 2017-09-20 Ian Lance Taylor <iant@golang.org>
220 Denis Khalikov <d.khalikov@partner.samsung.com>
223 Support for external debug info.
224 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
225 (S_ISLNK): Define if not defined.
226 (xstrnlen): Define if strnlen is not available.
227 (b_elf_note): Define type.
228 (NT_GNU_BUILD_ID): Define macro.
229 (elf_crc32, elf_crc32_file): New static functions.
230 (elf_is_symlink, elf_readlink): New static functions.
231 (elf_open_debugfile_by_buildid): New static function.
232 (elf_try_debugfile): New static function.
233 (elf_find_debugfile_by_debuglink): New static function.
234 (elf_open_debugfile_by_debuglink): New static function.
235 (elf_add): Add filename and debuginfo parameters. Adjust all
236 callers. Look for external debug info notes, and try to fetch
237 debug info from external file.
238 (struct phdr_data): Add exe_filename field.
239 (phdr_callback): Pass filename to elf_add.
240 (backtrace_initialize): Add filename parameter.
241 * internal.h (backtrace_initialize): Add filename parameter.
242 * fileline.c (fileline_initialize): Pass filename to
243 backtrace_initialize.
244 * pecoff.c (fileline_initialize): Add unused filename parameter.
245 * unknown.c (fileline_initialize): Likewise.
246 * xcoff.c (fileline_initialize): Likewise.
247 * configure.ac: Check for objcopy --add-gnu-debuglink.
248 * Makefile.am (dtest): New test target.
249 * configure, Makefile.in: Rebuild.
251 2017-09-12 Steve Ellcey <sellcey@cavium.com>
254 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
255 * Makefile.in: Regenerate.
257 2017-09-12 Steve Ellcey <sellcey@cavium.com>
260 * libbacktrace/Makefile.in
261 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
263 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
266 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
268 2017-07-28 Tony Reix <tony.reix@atos.net>
270 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
272 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
274 * fileline.c (fileline_initialize): Print pid_t as long.
276 2017-07-26 Tony Reix <tony.reix@atos.net>
278 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
279 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
280 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
281 * configure, config.h.in: Regenerate.
283 2017-07-21 Tony Reix <tony.reix@atos.net>
285 * filetype.awk: Add AIX XCOFF type detection.
286 * configure.ac: Recognize xcoff format.
287 * Makefile.am (FORMAT_FILES): Add xcoff.c.
288 * fileline.c: Include <unistd.h>.
289 (fileline_initialize): Add case for AIX procfs.
291 * configure, Makefile.in: Rebuild.
293 2017-06-21 Richard Biener <rguenther@suse.de>
295 * configure.ac: Add AC_SYS_LARGEFILE.
296 * config.h.in: Regenerate.
297 * configure: Likewise.
299 2017-06-11 Ian Lance Taylor <iant@golang.org>
301 * elf.c (backtrace_initialize): Always set *fileline_fn.
303 * btest.c: Move support functions into testlib.c. Change calls to
304 check to pass file name.
305 * testlib.c: New file, copied from (part of) btest.c.
306 * testlib.h: New file, declarations for testlib.c.
307 * edtest.c: Use testlib.h and testlib.c.
308 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
309 * Makefile.am (btest_SOURCES): Add testlib.c.
310 (edtest_SOURCES): Likewise.
311 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
312 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
313 * configure, Makefile.in: Rebuild.
315 2017-05-19 Than McIntosh <thanm@google.com>
317 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
318 (read_line_header): Don't allocate dirs if dirs_count == 0.
319 * edtest.c: New file.
320 * edtest2.c: New file.
321 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
322 (check_PROGRAMS): Add edtest.
323 (edtest2_build.c, gen_edtest2_build): New targets.
324 * Makefile.in: Rebuild.
326 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
328 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
329 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
331 2017-01-01 Jakub Jelinek <jakub@redhat.com>
333 Update copyright years.
335 2016-11-15 Matthias Klose <doko@ubuntu.com>
337 * configure: Regenerate.
339 2016-09-11 Carlos Liam <carlos@aarzee.me>
341 * all: Remove meaningless trailing whitespace.
343 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
346 * elf.c (phdr_callback) [__i386__]: Add
347 __attribute__((__force_align_arg_pointer__)).
349 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
351 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
352 avoid possible crash.
353 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
354 missing debug info anymore.
356 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
358 * mmap.c (MAP_FAILED): Define if not defined.
360 2016-01-04 Jakub Jelinek <jakub@redhat.com>
362 Update copyright years.
364 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
366 * configure.ac: Specify that DJGPP do not have mmap
367 even when sys/mman.h exists.
368 * configure: Regenerate
370 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
373 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
374 * configure: Regenerate.
375 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
378 2015-09-17 Ian Lance Taylor <iant@google.com>
380 * posix.c (backtrace_open): Cast second argument of open() to int.
382 2015-09-11 Ian Lance Taylor <iant@google.com>
384 * Makefile.am (backtrace.lo): Depend on internal.h.
385 (sort.lo, stest.lo): Add explicit dependencies.
386 * Makefile.in: Rebuild.
388 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
390 * backtrace.c: #include <sys/types.h>.
392 2015-09-08 Ian Lance Taylor <iant@google.com>
395 * backtrace.c: #include "internal.h".
396 (struct backtrace_data): Add can_alloc field.
397 (unwind): If can_alloc is false, don't try to get file/line
399 (backtrace_full): Set can_alloc field in bdata.
400 * alloc.c (backtrace_alloc): Don't call error_callback if it is
402 * mmap.c (backtrace_alloc): Likewise.
403 * internal.h: Update comments for backtrace_alloc and
406 2015-09-08 Ian Lance Taylor <iant@google.com>
409 * mmap.c (backtrace_alloc): Correct test for mmap failure.
411 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
413 * configure.ac: For spu-*-* targets, set have_fcntl to no.
414 * configure: Regenerate.
416 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
418 * configure.ac: Remove [disable-shared] argument to LT_INIT.
419 Remove setting PIC_FLAG when building as target library.
420 * configure: Regenerate.
422 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
424 * configure.ac: Only compile with -fPIC if the target
426 * configure: Regenerate.
428 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
430 * configure.ac: Set have_mmap to no on spu-*-* targets.
431 * configure: Regenerate.
433 2015-08-13 Ian Lance Taylor <iant@google.com>
435 * dwarf.c (read_function_entry): Add vec_inlined parameter.
438 2015-06-11 Martin Sebor <msebor@redhat.com>
441 * dwarf.c (struct line): Add new field idx.
442 (line_compare): Use it.
444 (read_line_info): Reset it.
446 2015-05-29 Tristan Gingold <gingold@adacore.com>
448 * pecoff.c: New file.
449 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
450 * Makefile.in: Regenerate.
451 * filetype.awk: Detect pecoff.
452 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
454 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
456 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
457 * configure: Regenerate.
458 * pecoff.c: New file.
460 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
462 * Makefile.in: Regenerated with automake-1.11.6.
463 * aclocal.m4: Likewise.
464 * configure: Likewise.
466 2015-01-24 Matthias Klose <doko@ubuntu.com>
468 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
469 * configure: Regenerate.
471 2015-01-05 Jakub Jelinek <jakub@redhat.com>
473 Update copyright years.
475 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
478 * configure: Regenerated.
480 2014-11-11 David Malcolm <dmalcolm@redhat.com>
482 * ChangeLog.jit: New.
484 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
487 * configure: Regenerate.
489 2014-10-23 Ian Lance Taylor <iant@google.com>
491 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
492 Fix to return void *.
494 2014-05-08 Ian Lance Taylor <iant@google.com>
496 * mmap.c (backtrace_free): If freeing a large aligned block of
497 memory, call munmap rather than holding onto it.
498 (backtrace_vector_grow): When growing a vector, double the number
499 of pages requested. When releasing the old version of a grown
500 vector, pass the correct size to backtrace_free.
502 2014-03-07 Ian Lance Taylor <iant@google.com>
504 * sort.c (backtrace_qsort): Use middle element as pivot.
506 2014-03-06 Ian Lance Taylor <iant@google.com>
510 * internal.h (backtrace_qsort): Declare.
511 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
512 (read_line_info, read_function_entry): Likewise.
513 (read_function_info, build_dwarf_data): Likewise.
514 * elf.c (elf_initialize_syminfo): Likewise.
515 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
516 (stest_SOURCES, stest_LDADD): Define.
517 (check_PROGRAMS): Add stest.
519 2014-02-07 Misty De Meo <misty@brew.sh>
522 * configure.ac: Use AC_LINK_IFELSE in check for
524 * configure: Regenerate.
526 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
528 Update copyright years
530 2013-12-06 Jakub Jelinek <jakub@redhat.com>
532 * elf.c (ET_DYN): Undefine and define again.
533 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
534 return early -1 without closing the descriptor.
535 (struct phdr_data): Add exe_descriptor.
536 (phdr_callback): If pd->exe_descriptor is not -1, for very first
537 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
538 otherwise backtrace_close the exe_descriptor if not -1. Adjust
540 (backtrace_initialize): Adjust call to elf_add. If it returns
541 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
543 2013-12-05 Ian Lance Taylor <iant@google.com>
545 * alloc.c (backtrace_vector_finish): Add error_callback and data
546 parameters. Call backtrace_vector_release. Return address base.
547 * mmap.c (backtrace_vector_finish): Add error_callback and data
548 parameters. Return address base.
549 * dwarf.c (read_function_info): Get new address base from
550 backtrace_vector_finish.
551 * internal.h (backtrace_vector_finish): Update declaration.
553 2013-11-27 Ian Lance Taylor <iant@google.com>
555 * dwarf.c (find_address_ranges): New static function, broken out
556 of build_address_map.
557 (build_address_map): Call it.
558 * btest.c (check): Check for missing filename or function, rather
560 (f3): Check that enough frames were returned.
562 2013-11-19 Jakub Jelinek <jakub@redhat.com>
564 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
565 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
567 * btest.c (struct symdata): Add size field.
568 (callback_three): Add symsize argument. Copy it to the data->size
570 (f23): Set symdata.size to 0.
571 (test5): Likewise. If sizeof (int) > 1, lookup address of
572 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
575 * atomic.c: Include sys/types.h.
577 2013-11-18 Ian Lance Taylor <iant@google.com>
579 * configure.ac: Check for support of __atomic extensions.
580 * internal.h: Declare or #define atomic functions for use in
582 * atomic.c: New file.
583 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
584 (dwarf_fileline, backtrace_dwarf_add): Likewise.
585 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
586 (backtrace_initialize): Likewise.
587 * fileline.c (fileline_initialize): Likewise.
588 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
589 * configure, config.h.in, Makefile.in: Rebuild.
591 2013-11-18 Jakub Jelinek <jakub@redhat.com>
593 * elf.c (SHN_UNDEF): Define.
594 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
595 with st_shndx == SHN_UNDEF. Add base_address to address fields.
596 (elf_add): Adjust caller.
598 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
600 2013-11-16 Ian Lance Taylor <iant@google.com>
602 * backtrace.h (backtrace_create_state): Correct comment about
605 2013-11-15 Ian Lance Taylor <iant@google.com>
607 * backtrace.h (backtrace_syminfo): Update comment and parameter
608 name to take any address, not just a PC value.
609 * elf.c (STT_OBJECT): Define.
610 (elf_nosyms): Rename parameter pc to addr.
611 (elf_symbol_search): Rename local variable pc to addr.
612 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
613 (elf_syminfo): Rename parameter pc to addr.
614 * btest.c (global): New global variable.
618 2013-10-17 Ian Lance Taylor <iant@google.com>
620 * elf.c (elf_add): Don't get the wrong offsets if a debug section
623 2013-10-15 David Malcolm <dmalcolm@redhat.com>
625 * configure.ac: Add --enable-host-shared, setting up
626 pre-existing PIC_FLAG variable within Makefile.am et al.
627 * configure: Regenerate.
629 2013-09-20 Alan Modra <amodra@gmail.com>
631 * configure: Regenerate.
633 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
635 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
637 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
639 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
640 dl_iterate_phdr callbacks.
642 2013-03-25 Ian Lance Taylor <iant@google.com>
644 * alloc.c: #include <sys/types.h>.
647 2013-01-31 Ian Lance Taylor <iant@google.com>
649 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
650 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
652 2013-01-25 Jakub Jelinek <jakub@redhat.com>
655 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
656 attribute was not seen.
658 2013-01-16 Ian Lance Taylor <iant@google.com>
660 * dwarf.c (struct unit): Add filename and abs_filename fields.
661 (build_address_map): Set new fields when reading unit.
662 (dwarf_lookup_pc): If we don't find an entry in the line table,
663 just return the main file name.
665 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
667 Update copyright years.
669 2013-01-01 Ian Lance Taylor <iant@google.com>
672 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
673 $(MULTIBUILDTOP)/../../gcc/include.
674 * Makefile.in: Rebuild.
676 2013-01-01 Ian Lance Taylor <iant@google.com>
679 * mmap.c (backtrace_alloc): Don't call sync functions if not
681 (backtrace_free): Likewise.
683 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
685 * mmapio.c: Define MAP_FAILED if not defined.
687 2012-12-11 Jakub Jelinek <jakub@redhat.com>
690 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
691 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
692 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
694 * Makefile.in: Regenerated.
695 * configure: Regenerated.
697 2012-12-07 Jakub Jelinek <jakub@redhat.com>
700 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
701 * Makefile.in: Regenerated.
703 2012-11-20 Ian Lance Taylor <iant@google.com>
705 * dwarf.c (read_attribute): Always clear val.
707 2012-11-13 Ian Lance Taylor <iant@google.com>
710 * configure.ac: Only add -Werror if building a target library.
711 * configure: Rebuild.
713 2012-11-12 Ian Lance Taylor <iant@google.com>
714 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
715 Gerald Pfeifer <gerald@pfeifer.com>
717 * configure.ac: Check for getexecname.
718 * fileline.c: #include <errno.h>. Define getexecname if not
720 (fileline_initialize): Try to find the executable in a few
722 * print.c (error_callback): Only print the filename if it came
723 from the backtrace state.
724 * configure, config.h.in: Rebuild.
726 2012-10-29 Ian Lance Taylor <iant@google.com>
728 * mmap.c (backtrace_vector_release): Correct last patch: add
731 2012-10-29 Ian Lance Taylor <iant@google.com>
733 * mmap.c (backtrace_vector_release): Make sure freed block is
734 aligned on 8-byte boundary.
736 2012-10-26 Ian Lance Taylor <iant@google.com>
739 * posix.c (backtrace_open): Add does_not_exist parameter.
740 * elf.c (phdr_callback): Do not warn if shared library could not
742 * fileline.c (fileline_initialize): Update calls to
744 * internal.h (backtrace_open): Update declaration.
746 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
749 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
750 * configure: Regenerate.
752 2012-10-24 Ian Lance Taylor <iant@google.com>
755 * configure.ac: Check whether -funwind-tables option works.
756 * configure: Rebuild.
758 2012-10-11 Ian Lance Taylor <iant@google.com>
760 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
761 * configure: Rebuild.
763 2012-10-10 Ian Lance Taylor <iant@google.com>
765 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
768 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
770 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
772 2012-10-09 Ian Lance Taylor <iant@google.com>
774 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
775 (backtrace_dwarf_add): Likewise.
777 2012-10-09 Ian Lance Taylor <iant@google.com>
779 Add support for tracing through shared libraries.
780 * configure.ac: Check for link.h and dl_iterate_phdr.
781 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
782 ELF macros before #defining them.
783 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
785 (struct elf_syminfo_data): Add next field.
786 (elf_initialize_syminfo): Initialize next field.
787 (elf_add_syminfo_data): New static function.
788 (elf_add): New static function, broken out of
789 backtrace_initialize. Call backtrace_dwarf_add instead of
790 backtrace_dwarf_initialize.
791 (struct phdr_data): Define.
792 (phdr_callback): New static function.
793 (backtrace_initialize): Call elf_add.
794 * dwarf.c (struct dwarf_data): Add next and base_address fields.
795 (add_unit_addr): Add base_address parameter. Change all callers.
796 (add_unit_ranges, build_address_map): Likewise.
797 (add_line): Add ddata parameter. Change all callers.
798 (read_line_program, add_function_range): Likewise.
799 (dwarf_lookup_pc): New static function, broken out of
801 (dwarf_fileline): Call dwarf_lookup_pc.
802 (build_dwarf_data): New static function.
803 (backtrace_dwarf_add): New function.
804 (backtrace_dwarf_initialize): Remove.
805 * internal.h (backtrace_dwarf_initialize): Don't declare.
806 (backtrace_dwarf_add): Declare.
807 * configure, config.h.in: Rebuild.
809 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
811 * btest.c (f23): Avoid uninitialized variable warning.
813 2012-10-04 Ian Lance Taylor <iant@google.com>
815 * dwarf.c: If the system header files do not declare strnlen,
816 provide our own version.
818 2012-10-03 Ian Lance Taylor <iant@google.com>
820 * dwarf.c (read_uleb128): Fix overflow test.
821 (read_sleb128): Likewise.
822 (build_address_map): Don't change unit_buf.start.
824 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
827 * configure.ac (EXTRA_FLAGS): New.
828 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
829 * configure, Makefile.in: Regenerate.
831 2012-09-29 Ian Lance Taylor <iant@google.com>
834 * fileline.c (fileline_initialize): Pass errnum as -1 when
835 reporting that we could not read executable information after a
838 2012-09-27 Ian Lance Taylor <iant@google.com>
841 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
842 * Makefile.am: Add dependencies for all objects.
843 * configure, aclocal.m4, Makefile.in: Rebuild.
845 2012-09-27 Ian Lance Taylor <iant@google.com>
848 * elf.c (backtrace_initialize): Set *fileln_fn, not
851 2012-09-19 Ian Lance Taylor <iant@google.com>
853 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
855 * configure: Rebuild.
857 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
858 Ian Lance Taylor <iant@google.com>
860 * configure.ac (GCC_HEADER_STDINT): Invoke.
861 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
862 * btest.c: Don't include <stdint.h>.
864 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
866 2012-09-18 Ian Lance Taylor <iant@google.com>
869 * Makefile.am (AM_CPPFLAGS): Define.
870 (AM_CFLAGS): Remove -I options.
871 * Makefile.in: Rebuild.
873 2012-09-18 Ian Lance Taylor <iant@google.com>
875 * posix.c (O_BINARY): Define if not defined.
876 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
877 HAVE_FCNTL is defined.
878 * configure.ac: Test for the fcntl function.
879 * configure, config.h.in: Rebuild.
881 2012-09-18 Ian Lance Taylor <iant@google.com>
883 * btest.c (test1, test2, test3, test4): Add the unused attribute.
885 2012-09-18 Ian Lance Taylor <iant@google.com>
887 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
889 2012-09-18 Ian Lance Taylor <iant@google.com>
891 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
892 * mmapio.c: Don't define _GNU_SOURCE.
893 * configure, config.h.in: Rebuild.
895 2012-09-18 Ian Lance Taylor <iant@google.com>
897 * configure.ac: Check whether strnlen is declared.
898 * dwarf.c: Declare strnlen if not declared.
899 * configure, config.h.in: Rebuild.
901 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
903 * fileline.c: Include <stdlib.h>.
906 2012-09-17 Ian Lance Taylor <iant@google.com>
909 * nounwind.c (backtrace_full): Rename from backtrace. Add state
912 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
915 * nounwind.c (backtrace_simple): Add state parameter.
917 2012-09-17 Ian Lance Taylor <iant@google.com>
920 * unknown.c (unknown_fileline): Add state parameter, remove
921 fileline_data parameter, name error_callback parameter.
922 (backtrace_initialize): Add state parameter.
924 2012-09-17 Ian Lance Taylor <iant@google.com>
926 * Initial implementation.
928 Copyright (C) 2012-2018 Free Software Foundation, Inc.
930 Copying and distribution of this file, with or without modification,
931 are permitted in any medium without royalty provided the copyright
932 notice and this notice are preserved.