1 2018-04-04 Jakub Jelinek <jakub@redhat.com>
4 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
5 big endian, only use 32-bit loads if endianity macros are predefined
6 and indicate big or little endian.
8 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
11 * configure: Regenerate.
13 2018-02-15 Jakub Jelinek <jakub@redhat.com>
16 * elf.c (SHT_PROGBITS): Undefine and define.
18 2018-02-14 Jakub Jelinek <jakub@redhat.com>
21 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
22 (struct elf_ppc64_opd_data): New type.
23 (elf_initialize_syminfo): Add opd argument, handle symbols
24 pointing into the PowerPC64 ELFv1 .opd section.
25 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
26 to structure with .opd data to elf_initialize_syminfo.
28 2018-01-31 Ian Lance Taylor <iant@golang.org>
30 * elf.c (elf_add): Close descriptor if we use a debugfile.
31 * btest.c (check_open_files): New static function.
32 (main): Call check_open_files.
34 2018-01-25 Ian Lance Taylor <iant@golang.org>
36 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
38 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
40 2018-01-25 Ian Lance Taylor <iant@golang.org>
42 * pecoff.c (coff_add): Only release syms_view if it is valid.
44 2018-01-25 Ian Lance Taylor <iant@golang.org>
46 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
48 2018-01-24 Ian Lance Taylor <iant@golang.org>
50 * pecoff.c (coff_add): Use coff_read4, not memcpy.
52 2018-01-24 Ian Lance Taylor <iant@golang.org>
55 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
58 2018-01-19 Tony Reix <tony.reix@atos.net>
60 * xcoff.c (xcoff_incl_compare): New function.
61 (xcoff_incl_search): New function.
62 (xcoff_process_linenos): Use bsearch to find include file.
63 (xcoff_initialize_fileline): Sort include file information.
65 2018-01-16 Ian Lance Taylor <iant@golang.org>
67 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
69 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
70 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
71 (elf_zlib_default_table): Update.
72 (elf_zlib_default_dist_table): New static array.
73 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
75 * ztest.c (struct zlib_test): Add uncompressed_len.
76 (tests): Initialize uncompressed_len field. Add new test case.
77 (test_samples): Use uncompressed_len field.
79 2018-01-03 Jakub Jelinek <jakub@redhat.com>
81 Update copyright years.
83 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
85 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
86 * aclocal.m4: Regenerate.
87 * Makefile.in: Likewise.
88 * configure: Likewise.
90 2017-10-06 Ian Lance Taylor <iant@golang.org>
92 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
93 zlib uncompress function.
95 2017-10-05 Ian Lance Taylor <iant@golang.org>
97 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
98 Read a four byte integer.
99 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
100 boundary before ever calling elf_zlib_fetch.
101 * ztest.c (test_large): Simplify print statements a bit.
103 2017-10-02 Ian Lance Taylor <iant@golang.org>
105 * ztest.c: #include <errno.h>.
106 (TEST_TIMING): Don't define, don't test.
107 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
108 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
109 (ZLIB_CLOCK_GETTIME_ARG): Define.
110 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
111 * Makefile.am: Likewise.
112 * configure, Makefile.in: Rebuild.
114 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
117 * Makefile.am: Append the content of clock_gettime_link to
119 * configure.ac: Test for the case that clock_gettime is in librt.
120 * Makefile.in: Regenerate.
121 * configure: Likewise.
124 * configure.ac: Check for clock_gettime.
125 * config.h.in: Regenerate.
126 * configure: Likewise.
127 * ztest.c (average_time, test_large): Conditionalize test timing
128 on clock_gettime availability.
130 2017-09-29 Tony Reix <tony.reix@atos.net>
132 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
133 (STYP_DWARF, SSUBTYP_DW*): Define.
134 (enum dwarf_section): Define.
135 (struct dwsect_info): Define.
136 (xcoff_add): Look for DWARF sections, pass them to
139 2017-09-28 Ian Lance Taylor <iant@golang.org>
142 * elf.c (__builtin_prefetch): Define if not __GNUC__.
144 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
145 (b_elf_chdr): Define type.
146 (enum debug_section): Add ZDEBUG_xxx values.
147 (debug_section_names): Add names for new sections.
148 (struct debug_section_info): Add compressed field.
149 (elf_zlib_failed, elf_zlib_fetch): New static functions.
150 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
151 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
152 (HUFFMAN_SECONDARY_SHIFT): Define.
153 (ZDEBUG_TABLE_SIZE): Define.
154 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
155 (final_next_secondary): New static variable if
156 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
157 (elf_zlib_inflate_table): New static function.
158 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
159 function to produce fixed Huffman table.
160 (elf_zlib_default_table): New static variable.
161 (elf_zlib_inflate): New static function.
162 (elf_zlib_verify_checksum): Likewise.
163 (elf_zlib_inflate_and_verify): Likewise.
164 (elf_uncompress_zdebug): Likewise.
165 (elf_uncompress_chdr): Likewise.
166 (backtrace_uncompress_zdebug): New extern function.
167 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
168 sections, and uncompress them.
169 * internal.h (backtrace_compress_zdebug): Declare.
171 * configure.ac: Check for -lz and check whether the linker
172 supports --compress-debug-sections.
173 * Makefile.am (ztest_SOURCES): New variable.
174 (ztest_CFLAGS, ztest_LDADD): New variables.
175 (check_PROGRAMS): Add ztest.
176 (ctestg_SOURCES): New variable.
177 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
178 (ctesta_SOURCES): New variable.
179 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
180 (check_PROGRAMS): Add ctestg and ctesta.
181 * configure, config.h.in, Makefile.in: Rebuild.
183 2017-09-22 Ian Lance Taylor <iant@golang.org>
186 * configure.ac: Check for lstat and readlink.
187 * elf.c (lstat, readlink): Provide dummy versions if real versions
189 * configure, config.h.in: Rebuild.
191 2017-09-21 Ian Lance Taylor <iant@google.com>
194 * elf.c (backtrace_initialize): Set pd.exe_filename.
196 2017-09-20 Ian Lance Taylor <iant@golang.org>
197 Denis Khalikov <d.khalikov@partner.samsung.com>
200 Support for external debug info.
201 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
202 (S_ISLNK): Define if not defined.
203 (xstrnlen): Define if strnlen is not available.
204 (b_elf_note): Define type.
205 (NT_GNU_BUILD_ID): Define macro.
206 (elf_crc32, elf_crc32_file): New static functions.
207 (elf_is_symlink, elf_readlink): New static functions.
208 (elf_open_debugfile_by_buildid): New static function.
209 (elf_try_debugfile): New static function.
210 (elf_find_debugfile_by_debuglink): New static function.
211 (elf_open_debugfile_by_debuglink): New static function.
212 (elf_add): Add filename and debuginfo parameters. Adjust all
213 callers. Look for external debug info notes, and try to fetch
214 debug info from external file.
215 (struct phdr_data): Add exe_filename field.
216 (phdr_callback): Pass filename to elf_add.
217 (backtrace_initialize): Add filename parameter.
218 * internal.h (backtrace_initialize): Add filename parameter.
219 * fileline.c (fileline_initialize): Pass filename to
220 backtrace_initialize.
221 * pecoff.c (fileline_initialize): Add unused filename parameter.
222 * unknown.c (fileline_initialize): Likewise.
223 * xcoff.c (fileline_initialize): Likewise.
224 * configure.ac: Check for objcopy --add-gnu-debuglink.
225 * Makefile.am (dtest): New test target.
226 * configure, Makefile.in: Rebuild.
228 2017-09-12 Steve Ellcey <sellcey@cavium.com>
231 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
232 * Makefile.in: Regenerate.
234 2017-09-12 Steve Ellcey <sellcey@cavium.com>
237 * libbacktrace/Makefile.in
238 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
240 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
243 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
245 2017-07-28 Tony Reix <tony.reix@atos.net>
247 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
249 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
251 * fileline.c (fileline_initialize): Print pid_t as long.
253 2017-07-26 Tony Reix <tony.reix@atos.net>
255 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
256 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
257 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
258 * configure, config.h.in: Regenerate.
260 2017-07-21 Tony Reix <tony.reix@atos.net>
262 * filetype.awk: Add AIX XCOFF type detection.
263 * configure.ac: Recognize xcoff format.
264 * Makefile.am (FORMAT_FILES): Add xcoff.c.
265 * fileline.c: Include <unistd.h>.
266 (fileline_initialize): Add case for AIX procfs.
268 * configure, Makefile.in: Rebuild.
270 2017-06-21 Richard Biener <rguenther@suse.de>
272 * configure.ac: Add AC_SYS_LARGEFILE.
273 * config.h.in: Regenerate.
274 * configure: Likewise.
276 2017-06-11 Ian Lance Taylor <iant@golang.org>
278 * elf.c (backtrace_initialize): Always set *fileline_fn.
280 * btest.c: Move support functions into testlib.c. Change calls to
281 check to pass file name.
282 * testlib.c: New file, copied from (part of) btest.c.
283 * testlib.h: New file, declarations for testlib.c.
284 * edtest.c: Use testlib.h and testlib.c.
285 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
286 * Makefile.am (btest_SOURCES): Add testlib.c.
287 (edtest_SOURCES): Likewise.
288 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
289 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
290 * configure, Makefile.in: Rebuild.
292 2017-05-19 Than McIntosh <thanm@google.com>
294 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
295 (read_line_header): Don't allocate dirs if dirs_count == 0.
296 * edtest.c: New file.
297 * edtest2.c: New file.
298 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
299 (check_PROGRAMS): Add edtest.
300 (edtest2_build.c, gen_edtest2_build): New targets.
301 * Makefile.in: Rebuild.
303 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
305 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
306 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
308 2017-01-01 Jakub Jelinek <jakub@redhat.com>
310 Update copyright years.
312 2016-11-15 Matthias Klose <doko@ubuntu.com>
314 * configure: Regenerate.
316 2016-09-11 Carlos Liam <carlos@aarzee.me>
318 * all: Remove meaningless trailing whitespace.
320 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
323 * elf.c (phdr_callback) [__i386__]: Add
324 __attribute__((__force_align_arg_pointer__)).
326 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
328 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
329 avoid possible crash.
330 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
331 missing debug info anymore.
333 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
335 * mmap.c (MAP_FAILED): Define if not defined.
337 2016-01-04 Jakub Jelinek <jakub@redhat.com>
339 Update copyright years.
341 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
343 * configure.ac: Specify that DJGPP do not have mmap
344 even when sys/mman.h exists.
345 * configure: Regenerate
347 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
350 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
351 * configure: Regenerate.
352 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
355 2015-09-17 Ian Lance Taylor <iant@google.com>
357 * posix.c (backtrace_open): Cast second argument of open() to int.
359 2015-09-11 Ian Lance Taylor <iant@google.com>
361 * Makefile.am (backtrace.lo): Depend on internal.h.
362 (sort.lo, stest.lo): Add explicit dependencies.
363 * Makefile.in: Rebuild.
365 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
367 * backtrace.c: #include <sys/types.h>.
369 2015-09-08 Ian Lance Taylor <iant@google.com>
372 * backtrace.c: #include "internal.h".
373 (struct backtrace_data): Add can_alloc field.
374 (unwind): If can_alloc is false, don't try to get file/line
376 (backtrace_full): Set can_alloc field in bdata.
377 * alloc.c (backtrace_alloc): Don't call error_callback if it is
379 * mmap.c (backtrace_alloc): Likewise.
380 * internal.h: Update comments for backtrace_alloc and
383 2015-09-08 Ian Lance Taylor <iant@google.com>
386 * mmap.c (backtrace_alloc): Correct test for mmap failure.
388 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
390 * configure.ac: For spu-*-* targets, set have_fcntl to no.
391 * configure: Regenerate.
393 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
395 * configure.ac: Remove [disable-shared] argument to LT_INIT.
396 Remove setting PIC_FLAG when building as target library.
397 * configure: Regenerate.
399 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
401 * configure.ac: Only compile with -fPIC if the target
403 * configure: Regenerate.
405 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
407 * configure.ac: Set have_mmap to no on spu-*-* targets.
408 * configure: Regenerate.
410 2015-08-13 Ian Lance Taylor <iant@google.com>
412 * dwarf.c (read_function_entry): Add vec_inlined parameter.
415 2015-06-11 Martin Sebor <msebor@redhat.com>
418 * dwarf.c (struct line): Add new field idx.
419 (line_compare): Use it.
421 (read_line_info): Reset it.
423 2015-05-29 Tristan Gingold <gingold@adacore.com>
425 * pecoff.c: New file.
426 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
427 * Makefile.in: Regenerate.
428 * filetype.awk: Detect pecoff.
429 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
431 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
433 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
434 * configure: Regenerate.
435 * pecoff.c: New file.
437 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
439 * Makefile.in: Regenerated with automake-1.11.6.
440 * aclocal.m4: Likewise.
441 * configure: Likewise.
443 2015-01-24 Matthias Klose <doko@ubuntu.com>
445 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
446 * configure: Regenerate.
448 2015-01-05 Jakub Jelinek <jakub@redhat.com>
450 Update copyright years.
452 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
455 * configure: Regenerated.
457 2014-11-11 David Malcolm <dmalcolm@redhat.com>
459 * ChangeLog.jit: New.
461 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
464 * configure: Regenerate.
466 2014-10-23 Ian Lance Taylor <iant@google.com>
468 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
469 Fix to return void *.
471 2014-05-08 Ian Lance Taylor <iant@google.com>
473 * mmap.c (backtrace_free): If freeing a large aligned block of
474 memory, call munmap rather than holding onto it.
475 (backtrace_vector_grow): When growing a vector, double the number
476 of pages requested. When releasing the old version of a grown
477 vector, pass the correct size to backtrace_free.
479 2014-03-07 Ian Lance Taylor <iant@google.com>
481 * sort.c (backtrace_qsort): Use middle element as pivot.
483 2014-03-06 Ian Lance Taylor <iant@google.com>
487 * internal.h (backtrace_qsort): Declare.
488 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
489 (read_line_info, read_function_entry): Likewise.
490 (read_function_info, build_dwarf_data): Likewise.
491 * elf.c (elf_initialize_syminfo): Likewise.
492 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
493 (stest_SOURCES, stest_LDADD): Define.
494 (check_PROGRAMS): Add stest.
496 2014-02-07 Misty De Meo <misty@brew.sh>
499 * configure.ac: Use AC_LINK_IFELSE in check for
501 * configure: Regenerate.
503 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
505 Update copyright years
507 2013-12-06 Jakub Jelinek <jakub@redhat.com>
509 * elf.c (ET_DYN): Undefine and define again.
510 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
511 return early -1 without closing the descriptor.
512 (struct phdr_data): Add exe_descriptor.
513 (phdr_callback): If pd->exe_descriptor is not -1, for very first
514 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
515 otherwise backtrace_close the exe_descriptor if not -1. Adjust
517 (backtrace_initialize): Adjust call to elf_add. If it returns
518 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
520 2013-12-05 Ian Lance Taylor <iant@google.com>
522 * alloc.c (backtrace_vector_finish): Add error_callback and data
523 parameters. Call backtrace_vector_release. Return address base.
524 * mmap.c (backtrace_vector_finish): Add error_callback and data
525 parameters. Return address base.
526 * dwarf.c (read_function_info): Get new address base from
527 backtrace_vector_finish.
528 * internal.h (backtrace_vector_finish): Update declaration.
530 2013-11-27 Ian Lance Taylor <iant@google.com>
532 * dwarf.c (find_address_ranges): New static function, broken out
533 of build_address_map.
534 (build_address_map): Call it.
535 * btest.c (check): Check for missing filename or function, rather
537 (f3): Check that enough frames were returned.
539 2013-11-19 Jakub Jelinek <jakub@redhat.com>
541 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
542 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
544 * btest.c (struct symdata): Add size field.
545 (callback_three): Add symsize argument. Copy it to the data->size
547 (f23): Set symdata.size to 0.
548 (test5): Likewise. If sizeof (int) > 1, lookup address of
549 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
552 * atomic.c: Include sys/types.h.
554 2013-11-18 Ian Lance Taylor <iant@google.com>
556 * configure.ac: Check for support of __atomic extensions.
557 * internal.h: Declare or #define atomic functions for use in
559 * atomic.c: New file.
560 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
561 (dwarf_fileline, backtrace_dwarf_add): Likewise.
562 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
563 (backtrace_initialize): Likewise.
564 * fileline.c (fileline_initialize): Likewise.
565 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
566 * configure, config.h.in, Makefile.in: Rebuild.
568 2013-11-18 Jakub Jelinek <jakub@redhat.com>
570 * elf.c (SHN_UNDEF): Define.
571 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
572 with st_shndx == SHN_UNDEF. Add base_address to address fields.
573 (elf_add): Adjust caller.
575 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
577 2013-11-16 Ian Lance Taylor <iant@google.com>
579 * backtrace.h (backtrace_create_state): Correct comment about
582 2013-11-15 Ian Lance Taylor <iant@google.com>
584 * backtrace.h (backtrace_syminfo): Update comment and parameter
585 name to take any address, not just a PC value.
586 * elf.c (STT_OBJECT): Define.
587 (elf_nosyms): Rename parameter pc to addr.
588 (elf_symbol_search): Rename local variable pc to addr.
589 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
590 (elf_syminfo): Rename parameter pc to addr.
591 * btest.c (global): New global variable.
595 2013-10-17 Ian Lance Taylor <iant@google.com>
597 * elf.c (elf_add): Don't get the wrong offsets if a debug section
600 2013-10-15 David Malcolm <dmalcolm@redhat.com>
602 * configure.ac: Add --enable-host-shared, setting up
603 pre-existing PIC_FLAG variable within Makefile.am et al.
604 * configure: Regenerate.
606 2013-09-20 Alan Modra <amodra@gmail.com>
608 * configure: Regenerate.
610 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
612 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
614 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
616 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
617 dl_iterate_phdr callbacks.
619 2013-03-25 Ian Lance Taylor <iant@google.com>
621 * alloc.c: #include <sys/types.h>.
624 2013-01-31 Ian Lance Taylor <iant@google.com>
626 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
627 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
629 2013-01-25 Jakub Jelinek <jakub@redhat.com>
632 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
633 attribute was not seen.
635 2013-01-16 Ian Lance Taylor <iant@google.com>
637 * dwarf.c (struct unit): Add filename and abs_filename fields.
638 (build_address_map): Set new fields when reading unit.
639 (dwarf_lookup_pc): If we don't find an entry in the line table,
640 just return the main file name.
642 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
644 Update copyright years.
646 2013-01-01 Ian Lance Taylor <iant@google.com>
649 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
650 $(MULTIBUILDTOP)/../../gcc/include.
651 * Makefile.in: Rebuild.
653 2013-01-01 Ian Lance Taylor <iant@google.com>
656 * mmap.c (backtrace_alloc): Don't call sync functions if not
658 (backtrace_free): Likewise.
660 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
662 * mmapio.c: Define MAP_FAILED if not defined.
664 2012-12-11 Jakub Jelinek <jakub@redhat.com>
667 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
668 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
669 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
671 * Makefile.in: Regenerated.
672 * configure: Regenerated.
674 2012-12-07 Jakub Jelinek <jakub@redhat.com>
677 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
678 * Makefile.in: Regenerated.
680 2012-11-20 Ian Lance Taylor <iant@google.com>
682 * dwarf.c (read_attribute): Always clear val.
684 2012-11-13 Ian Lance Taylor <iant@google.com>
687 * configure.ac: Only add -Werror if building a target library.
688 * configure: Rebuild.
690 2012-11-12 Ian Lance Taylor <iant@google.com>
691 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
692 Gerald Pfeifer <gerald@pfeifer.com>
694 * configure.ac: Check for getexecname.
695 * fileline.c: #include <errno.h>. Define getexecname if not
697 (fileline_initialize): Try to find the executable in a few
699 * print.c (error_callback): Only print the filename if it came
700 from the backtrace state.
701 * configure, config.h.in: Rebuild.
703 2012-10-29 Ian Lance Taylor <iant@google.com>
705 * mmap.c (backtrace_vector_release): Correct last patch: add
708 2012-10-29 Ian Lance Taylor <iant@google.com>
710 * mmap.c (backtrace_vector_release): Make sure freed block is
711 aligned on 8-byte boundary.
713 2012-10-26 Ian Lance Taylor <iant@google.com>
716 * posix.c (backtrace_open): Add does_not_exist parameter.
717 * elf.c (phdr_callback): Do not warn if shared library could not
719 * fileline.c (fileline_initialize): Update calls to
721 * internal.h (backtrace_open): Update declaration.
723 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
726 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
727 * configure: Regenerate.
729 2012-10-24 Ian Lance Taylor <iant@google.com>
732 * configure.ac: Check whether -funwind-tables option works.
733 * configure: Rebuild.
735 2012-10-11 Ian Lance Taylor <iant@google.com>
737 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
738 * configure: Rebuild.
740 2012-10-10 Ian Lance Taylor <iant@google.com>
742 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
745 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
747 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
749 2012-10-09 Ian Lance Taylor <iant@google.com>
751 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
752 (backtrace_dwarf_add): Likewise.
754 2012-10-09 Ian Lance Taylor <iant@google.com>
756 Add support for tracing through shared libraries.
757 * configure.ac: Check for link.h and dl_iterate_phdr.
758 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
759 ELF macros before #defining them.
760 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
762 (struct elf_syminfo_data): Add next field.
763 (elf_initialize_syminfo): Initialize next field.
764 (elf_add_syminfo_data): New static function.
765 (elf_add): New static function, broken out of
766 backtrace_initialize. Call backtrace_dwarf_add instead of
767 backtrace_dwarf_initialize.
768 (struct phdr_data): Define.
769 (phdr_callback): New static function.
770 (backtrace_initialize): Call elf_add.
771 * dwarf.c (struct dwarf_data): Add next and base_address fields.
772 (add_unit_addr): Add base_address parameter. Change all callers.
773 (add_unit_ranges, build_address_map): Likewise.
774 (add_line): Add ddata parameter. Change all callers.
775 (read_line_program, add_function_range): Likewise.
776 (dwarf_lookup_pc): New static function, broken out of
778 (dwarf_fileline): Call dwarf_lookup_pc.
779 (build_dwarf_data): New static function.
780 (backtrace_dwarf_add): New function.
781 (backtrace_dwarf_initialize): Remove.
782 * internal.h (backtrace_dwarf_initialize): Don't declare.
783 (backtrace_dwarf_add): Declare.
784 * configure, config.h.in: Rebuild.
786 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
788 * btest.c (f23): Avoid uninitialized variable warning.
790 2012-10-04 Ian Lance Taylor <iant@google.com>
792 * dwarf.c: If the system header files do not declare strnlen,
793 provide our own version.
795 2012-10-03 Ian Lance Taylor <iant@google.com>
797 * dwarf.c (read_uleb128): Fix overflow test.
798 (read_sleb128): Likewise.
799 (build_address_map): Don't change unit_buf.start.
801 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
804 * configure.ac (EXTRA_FLAGS): New.
805 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
806 * configure, Makefile.in: Regenerate.
808 2012-09-29 Ian Lance Taylor <iant@google.com>
811 * fileline.c (fileline_initialize): Pass errnum as -1 when
812 reporting that we could not read executable information after a
815 2012-09-27 Ian Lance Taylor <iant@google.com>
818 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
819 * Makefile.am: Add dependencies for all objects.
820 * configure, aclocal.m4, Makefile.in: Rebuild.
822 2012-09-27 Ian Lance Taylor <iant@google.com>
825 * elf.c (backtrace_initialize): Set *fileln_fn, not
828 2012-09-19 Ian Lance Taylor <iant@google.com>
830 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
832 * configure: Rebuild.
834 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
835 Ian Lance Taylor <iant@google.com>
837 * configure.ac (GCC_HEADER_STDINT): Invoke.
838 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
839 * btest.c: Don't include <stdint.h>.
841 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
843 2012-09-18 Ian Lance Taylor <iant@google.com>
846 * Makefile.am (AM_CPPFLAGS): Define.
847 (AM_CFLAGS): Remove -I options.
848 * Makefile.in: Rebuild.
850 2012-09-18 Ian Lance Taylor <iant@google.com>
852 * posix.c (O_BINARY): Define if not defined.
853 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
854 HAVE_FCNTL is defined.
855 * configure.ac: Test for the fcntl function.
856 * configure, config.h.in: Rebuild.
858 2012-09-18 Ian Lance Taylor <iant@google.com>
860 * btest.c (test1, test2, test3, test4): Add the unused attribute.
862 2012-09-18 Ian Lance Taylor <iant@google.com>
864 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
866 2012-09-18 Ian Lance Taylor <iant@google.com>
868 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
869 * mmapio.c: Don't define _GNU_SOURCE.
870 * configure, config.h.in: Rebuild.
872 2012-09-18 Ian Lance Taylor <iant@google.com>
874 * configure.ac: Check whether strnlen is declared.
875 * dwarf.c: Declare strnlen if not declared.
876 * configure, config.h.in: Rebuild.
878 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
880 * fileline.c: Include <stdlib.h>.
883 2012-09-17 Ian Lance Taylor <iant@google.com>
886 * nounwind.c (backtrace_full): Rename from backtrace. Add state
889 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
892 * nounwind.c (backtrace_simple): Add state parameter.
894 2012-09-17 Ian Lance Taylor <iant@google.com>
897 * unknown.c (unknown_fileline): Add state parameter, remove
898 fileline_data parameter, name error_callback parameter.
899 (backtrace_initialize): Add state parameter.
901 2012-09-17 Ian Lance Taylor <iant@google.com>
903 * Initial implementation.
905 Copyright (C) 2012-2018 Free Software Foundation, Inc.
907 Copying and distribution of this file, with or without modification,
908 are permitted in any medium without royalty provided the copyright
909 notice and this notice are preserved.