1 2016-04-27 Release Manager
5 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
7 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
9 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
10 missing debug info anymore.
12 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
14 * mmap.c (MAP_FAILED): Define if not defined.
16 2016-01-04 Jakub Jelinek <jakub@redhat.com>
18 Update copyright years.
20 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
22 * configure.ac: Specify that DJGPP do not have mmap even when sys/mman.h exists
23 * configure: Regenerate
25 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
28 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
29 * configure: Regenerate.
30 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
33 2015-09-17 Ian Lance Taylor <iant@google.com>
35 * posix.c (backtrace_open): Cast second argument of open() to int.
37 2015-09-11 Ian Lance Taylor <iant@google.com>
39 * Makefile.am (backtrace.lo): Depend on internal.h.
40 (sort.lo, stest.lo): Add explicit dependencies.
41 * Makefile.in: Rebuild.
43 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
45 * backtrace.c: #include <sys/types.h>.
47 2015-09-08 Ian Lance Taylor <iant@google.com>
50 * backtrace.c: #include "internal.h".
51 (struct backtrace_data): Add can_alloc field.
52 (unwind): If can_alloc is false, don't try to get file/line
54 (backtrace_full): Set can_alloc field in bdata.
55 * alloc.c (backtrace_alloc): Don't call error_callback if it is
57 * mmap.c (backtrace_alloc): Likewise.
58 * internal.h: Update comments for backtrace_alloc and
61 2015-09-08 Ian Lance Taylor <iant@google.com>
64 * mmap.c (backtrace_alloc): Correct test for mmap failure.
66 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
68 * configure.ac: For spu-*-* targets, set have_fcntl to no.
69 * configure: Regenerate.
71 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
73 * configure.ac: Remove [disable-shared] argument to LT_INIT.
74 Remove setting PIC_FLAG when building as target library.
75 * configure: Regenerate.
77 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
79 * configure.ac: Only compile with -fPIC if the target
81 * configure: Regenerate.
83 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
85 * configure.ac: Set have_mmap to no on spu-*-* targets.
86 * configure: Regenerate.
88 2015-08-13 Ian Lance Taylor <iant@google.com>
90 * dwarf.c (read_function_entry): Add vec_inlined parameter.
93 2015-06-11 Martin Sebor <msebor@redhat.com>
96 * dwarf.c (struct line): Add new field idx.
97 (line_compare): Use it.
99 (read_line_info): Reset it.
101 2015-05-29 Tristan Gingold <gingold@adacore.com>
103 * pecoff.c: New file.
104 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
105 * Makefile.in: Regenerate.
106 * filetype.awk: Detect pecoff.
107 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
109 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
111 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
112 * configure: Regenerate.
113 * pecoff.c: New file.
115 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
117 * Makefile.in: Regenerated with automake-1.11.6.
118 * aclocal.m4: Likewise.
119 * configure: Likewise.
121 2015-01-24 Matthias Klose <doko@ubuntu.com>
123 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
124 * configure: Regenerate.
126 2015-01-05 Jakub Jelinek <jakub@redhat.com>
128 Update copyright years.
130 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
133 * configure: Regenerated.
135 2014-11-11 David Malcolm <dmalcolm@redhat.com>
137 * ChangeLog.jit: New.
139 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
142 * configure: Regenerate.
144 2014-10-23 Ian Lance Taylor <iant@google.com>
146 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
147 Fix to return void *.
149 2014-05-08 Ian Lance Taylor <iant@google.com>
151 * mmap.c (backtrace_free): If freeing a large aligned block of
152 memory, call munmap rather than holding onto it.
153 (backtrace_vector_grow): When growing a vector, double the number
154 of pages requested. When releasing the old version of a grown
155 vector, pass the correct size to backtrace_free.
157 2014-03-07 Ian Lance Taylor <iant@google.com>
159 * sort.c (backtrace_qsort): Use middle element as pivot.
161 2014-03-06 Ian Lance Taylor <iant@google.com>
165 * internal.h (backtrace_qsort): Declare.
166 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
167 (read_line_info, read_function_entry): Likewise.
168 (read_function_info, build_dwarf_data): Likewise.
169 * elf.c (elf_initialize_syminfo): Likewise.
170 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
171 (stest_SOURCES, stest_LDADD): Define.
172 (check_PROGRAMS): Add stest.
174 2014-02-07 Misty De Meo <misty@brew.sh>
177 * configure.ac: Use AC_LINK_IFELSE in check for
179 * configure: Regenerate.
181 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
183 Update copyright years
185 2013-12-06 Jakub Jelinek <jakub@redhat.com>
187 * elf.c (ET_DYN): Undefine and define again.
188 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
189 return early -1 without closing the descriptor.
190 (struct phdr_data): Add exe_descriptor.
191 (phdr_callback): If pd->exe_descriptor is not -1, for very first
192 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
193 otherwise backtrace_close the exe_descriptor if not -1. Adjust
195 (backtrace_initialize): Adjust call to elf_add. If it returns
196 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
198 2013-12-05 Ian Lance Taylor <iant@google.com>
200 * alloc.c (backtrace_vector_finish): Add error_callback and data
201 parameters. Call backtrace_vector_release. Return address base.
202 * mmap.c (backtrace_vector_finish): Add error_callback and data
203 parameters. Return address base.
204 * dwarf.c (read_function_info): Get new address base from
205 backtrace_vector_finish.
206 * internal.h (backtrace_vector_finish): Update declaration.
208 2013-11-27 Ian Lance Taylor <iant@google.com>
210 * dwarf.c (find_address_ranges): New static function, broken out
211 of build_address_map.
212 (build_address_map): Call it.
213 * btest.c (check): Check for missing filename or function, rather
215 (f3): Check that enough frames were returned.
217 2013-11-19 Jakub Jelinek <jakub@redhat.com>
219 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
220 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
222 * btest.c (struct symdata): Add size field.
223 (callback_three): Add symsize argument. Copy it to the data->size
225 (f23): Set symdata.size to 0.
226 (test5): Likewise. If sizeof (int) > 1, lookup address of
227 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
230 * atomic.c: Include sys/types.h.
232 2013-11-18 Ian Lance Taylor <iant@google.com>
234 * configure.ac: Check for support of __atomic extensions.
235 * internal.h: Declare or #define atomic functions for use in
237 * atomic.c: New file.
238 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
239 (dwarf_fileline, backtrace_dwarf_add): Likewise.
240 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
241 (backtrace_initialize): Likewise.
242 * fileline.c (fileline_initialize): Likewise.
243 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
244 * configure, config.h.in, Makefile.in: Rebuild.
246 2013-11-18 Jakub Jelinek <jakub@redhat.com>
248 * elf.c (SHN_UNDEF): Define.
249 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
250 with st_shndx == SHN_UNDEF. Add base_address to address fields.
251 (elf_add): Adjust caller.
253 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
255 2013-11-16 Ian Lance Taylor <iant@google.com>
257 * backtrace.h (backtrace_create_state): Correct comment about
260 2013-11-15 Ian Lance Taylor <iant@google.com>
262 * backtrace.h (backtrace_syminfo): Update comment and parameter
263 name to take any address, not just a PC value.
264 * elf.c (STT_OBJECT): Define.
265 (elf_nosyms): Rename parameter pc to addr.
266 (elf_symbol_search): Rename local variable pc to addr.
267 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
268 (elf_syminfo): Rename parameter pc to addr.
269 * btest.c (global): New global variable.
273 2013-10-17 Ian Lance Taylor <iant@google.com>
275 * elf.c (elf_add): Don't get the wrong offsets if a debug section
278 2013-10-15 David Malcolm <dmalcolm@redhat.com>
280 * configure.ac: Add --enable-host-shared, setting up
281 pre-existing PIC_FLAG variable within Makefile.am et al.
282 * configure: Regenerate.
284 2013-09-20 Alan Modra <amodra@gmail.com>
286 * configure: Regenerate.
288 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
290 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
292 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
294 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
295 dl_iterate_phdr callbacks.
297 2013-03-25 Ian Lance Taylor <iant@google.com>
299 * alloc.c: #include <sys/types.h>.
302 2013-01-31 Ian Lance Taylor <iant@google.com>
304 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
305 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
307 2013-01-25 Jakub Jelinek <jakub@redhat.com>
310 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
311 attribute was not seen.
313 2013-01-16 Ian Lance Taylor <iant@google.com>
315 * dwarf.c (struct unit): Add filename and abs_filename fields.
316 (build_address_map): Set new fields when reading unit.
317 (dwarf_lookup_pc): If we don't find an entry in the line table,
318 just return the main file name.
320 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
322 Update copyright years.
324 2013-01-01 Ian Lance Taylor <iant@google.com>
327 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
328 $(MULTIBUILDTOP)/../../gcc/include.
329 * Makefile.in: Rebuild.
331 2013-01-01 Ian Lance Taylor <iant@google.com>
334 * mmap.c (backtrace_alloc): Don't call sync functions if not
336 (backtrace_free): Likewise.
338 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
340 * mmapio.c: Define MAP_FAILED if not defined.
342 2012-12-11 Jakub Jelinek <jakub@redhat.com>
345 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
346 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
347 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
349 * Makefile.in: Regenerated.
350 * configure: Regenerated.
352 2012-12-07 Jakub Jelinek <jakub@redhat.com>
355 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
356 * Makefile.in: Regenerated.
358 2012-11-20 Ian Lance Taylor <iant@google.com>
360 * dwarf.c (read_attribute): Always clear val.
362 2012-11-13 Ian Lance Taylor <iant@google.com>
365 * configure.ac: Only add -Werror if building a target library.
366 * configure: Rebuild.
368 2012-11-12 Ian Lance Taylor <iant@google.com>
369 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
370 Gerald Pfeifer <gerald@pfeifer.com>
372 * configure.ac: Check for getexecname.
373 * fileline.c: #include <errno.h>. Define getexecname if not
375 (fileline_initialize): Try to find the executable in a few
377 * print.c (error_callback): Only print the filename if it came
378 from the backtrace state.
379 * configure, config.h.in: Rebuild.
381 2012-10-29 Ian Lance Taylor <iant@google.com>
383 * mmap.c (backtrace_vector_release): Correct last patch: add
386 2012-10-29 Ian Lance Taylor <iant@google.com>
388 * mmap.c (backtrace_vector_release): Make sure freed block is
389 aligned on 8-byte boundary.
391 2012-10-26 Ian Lance Taylor <iant@google.com>
394 * posix.c (backtrace_open): Add does_not_exist parameter.
395 * elf.c (phdr_callback): Do not warn if shared library could not
397 * fileline.c (fileline_initialize): Update calls to
399 * internal.h (backtrace_open): Update declaration.
401 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
404 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
405 * configure: Regenerate.
407 2012-10-24 Ian Lance Taylor <iant@google.com>
410 * configure.ac: Check whether -funwind-tables option works.
411 * configure: Rebuild.
413 2012-10-11 Ian Lance Taylor <iant@google.com>
415 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
416 * configure: Rebuild.
418 2012-10-10 Ian Lance Taylor <iant@google.com>
420 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
423 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
425 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
427 2012-10-09 Ian Lance Taylor <iant@google.com>
429 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
430 (backtrace_dwarf_add): Likewise.
432 2012-10-09 Ian Lance Taylor <iant@google.com>
434 Add support for tracing through shared libraries.
435 * configure.ac: Check for link.h and dl_iterate_phdr.
436 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
437 ELF macros before #defining them.
438 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
440 (struct elf_syminfo_data): Add next field.
441 (elf_initialize_syminfo): Initialize next field.
442 (elf_add_syminfo_data): New static function.
443 (elf_add): New static function, broken out of
444 backtrace_initialize. Call backtrace_dwarf_add instead of
445 backtrace_dwarf_initialize.
446 (struct phdr_data): Define.
447 (phdr_callback): New static function.
448 (backtrace_initialize): Call elf_add.
449 * dwarf.c (struct dwarf_data): Add next and base_address fields.
450 (add_unit_addr): Add base_address parameter. Change all callers.
451 (add_unit_ranges, build_address_map): Likewise.
452 (add_line): Add ddata parameter. Change all callers.
453 (read_line_program, add_function_range): Likewise.
454 (dwarf_lookup_pc): New static function, broken out of
456 (dwarf_fileline): Call dwarf_lookup_pc.
457 (build_dwarf_data): New static function.
458 (backtrace_dwarf_add): New function.
459 (backtrace_dwarf_initialize): Remove.
460 * internal.h (backtrace_dwarf_initialize): Don't declare.
461 (backtrace_dwarf_add): Declare.
462 * configure, config.h.in: Rebuild.
464 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
466 * btest.c (f23): Avoid uninitialized variable warning.
468 2012-10-04 Ian Lance Taylor <iant@google.com>
470 * dwarf.c: If the system header files do not declare strnlen,
471 provide our own version.
473 2012-10-03 Ian Lance Taylor <iant@google.com>
475 * dwarf.c (read_uleb128): Fix overflow test.
476 (read_sleb128): Likewise.
477 (build_address_map): Don't change unit_buf.start.
479 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
482 * configure.ac (EXTRA_FLAGS): New.
483 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
484 * configure, Makefile.in: Regenerate.
486 2012-09-29 Ian Lance Taylor <iant@google.com>
489 * fileline.c (fileline_initialize): Pass errnum as -1 when
490 reporting that we could not read executable information after a
493 2012-09-27 Ian Lance Taylor <iant@google.com>
496 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
497 * Makefile.am: Add dependencies for all objects.
498 * configure, aclocal.m4, Makefile.in: Rebuild.
500 2012-09-27 Ian Lance Taylor <iant@google.com>
503 * elf.c (backtrace_initialize): Set *fileln_fn, not
506 2012-09-19 Ian Lance Taylor <iant@google.com>
508 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
510 * configure: Rebuild.
512 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
513 Ian Lance Taylor <iant@google.com>
515 * configure.ac (GCC_HEADER_STDINT): Invoke.
516 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
517 * btest.c: Don't include <stdint.h>.
519 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
521 2012-09-18 Ian Lance Taylor <iant@google.com>
524 * Makefile.am (AM_CPPFLAGS): Define.
525 (AM_CFLAGS): Remove -I options.
526 * Makefile.in: Rebuild.
528 2012-09-18 Ian Lance Taylor <iant@google.com>
530 * posix.c (O_BINARY): Define if not defined.
531 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
532 HAVE_FCNTL is defined.
533 * configure.ac: Test for the fcntl function.
534 * configure, config.h.in: Rebuild.
536 2012-09-18 Ian Lance Taylor <iant@google.com>
538 * btest.c (test1, test2, test3, test4): Add the unused attribute.
540 2012-09-18 Ian Lance Taylor <iant@google.com>
542 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
544 2012-09-18 Ian Lance Taylor <iant@google.com>
546 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
547 * mmapio.c: Don't define _GNU_SOURCE.
548 * configure, config.h.in: Rebuild.
550 2012-09-18 Ian Lance Taylor <iant@google.com>
552 * configure.ac: Check whether strnlen is declared.
553 * dwarf.c: Declare strnlen if not declared.
554 * configure, config.h.in: Rebuild.
556 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
558 * fileline.c: Include <stdlib.h>.
561 2012-09-17 Ian Lance Taylor <iant@google.com>
564 * nounwind.c (backtrace_full): Rename from backtrace. Add state
567 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
570 * nounwind.c (backtrace_simple): Add state parameter.
572 2012-09-17 Ian Lance Taylor <iant@google.com>
575 * unknown.c (unknown_fileline): Add state parameter, remove
576 fileline_data parameter, name error_callback parameter.
577 (backtrace_initialize): Add state parameter.
579 2012-09-17 Ian Lance Taylor <iant@google.com>
581 * Initial implementation.
583 Copyright (C) 2012-2016 Free Software Foundation, Inc.
585 Copying and distribution of this file, with or without modification,
586 are permitted in any medium without royalty provided the copyright
587 notice and this notice are preserved.