1 2016-11-15 Matthias Klose <doko@ubuntu.com>
3 * configure: Regenerate.
5 2016-09-11 Carlos Liam <carlos@aarzee.me>
7 * all: Remove meaningless trailing whitespace.
9 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
12 * elf.c (phdr_callback) [__i386__]: Add
13 __attribute__((__force_align_arg_pointer__)).
15 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
17 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
19 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
20 missing debug info anymore.
22 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
24 * mmap.c (MAP_FAILED): Define if not defined.
26 2016-01-04 Jakub Jelinek <jakub@redhat.com>
28 Update copyright years.
30 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
32 * configure.ac: Specify that DJGPP do not have mmap
33 even when sys/mman.h exists.
34 * configure: Regenerate
36 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
39 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
40 * configure: Regenerate.
41 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
44 2015-09-17 Ian Lance Taylor <iant@google.com>
46 * posix.c (backtrace_open): Cast second argument of open() to int.
48 2015-09-11 Ian Lance Taylor <iant@google.com>
50 * Makefile.am (backtrace.lo): Depend on internal.h.
51 (sort.lo, stest.lo): Add explicit dependencies.
52 * Makefile.in: Rebuild.
54 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
56 * backtrace.c: #include <sys/types.h>.
58 2015-09-08 Ian Lance Taylor <iant@google.com>
61 * backtrace.c: #include "internal.h".
62 (struct backtrace_data): Add can_alloc field.
63 (unwind): If can_alloc is false, don't try to get file/line
65 (backtrace_full): Set can_alloc field in bdata.
66 * alloc.c (backtrace_alloc): Don't call error_callback if it is
68 * mmap.c (backtrace_alloc): Likewise.
69 * internal.h: Update comments for backtrace_alloc and
72 2015-09-08 Ian Lance Taylor <iant@google.com>
75 * mmap.c (backtrace_alloc): Correct test for mmap failure.
77 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
79 * configure.ac: For spu-*-* targets, set have_fcntl to no.
80 * configure: Regenerate.
82 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
84 * configure.ac: Remove [disable-shared] argument to LT_INIT.
85 Remove setting PIC_FLAG when building as target library.
86 * configure: Regenerate.
88 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
90 * configure.ac: Only compile with -fPIC if the target
92 * configure: Regenerate.
94 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
96 * configure.ac: Set have_mmap to no on spu-*-* targets.
97 * configure: Regenerate.
99 2015-08-13 Ian Lance Taylor <iant@google.com>
101 * dwarf.c (read_function_entry): Add vec_inlined parameter.
104 2015-06-11 Martin Sebor <msebor@redhat.com>
107 * dwarf.c (struct line): Add new field idx.
108 (line_compare): Use it.
110 (read_line_info): Reset it.
112 2015-05-29 Tristan Gingold <gingold@adacore.com>
114 * pecoff.c: New file.
115 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
116 * Makefile.in: Regenerate.
117 * filetype.awk: Detect pecoff.
118 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
120 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
122 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
123 * configure: Regenerate.
124 * pecoff.c: New file.
126 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
128 * Makefile.in: Regenerated with automake-1.11.6.
129 * aclocal.m4: Likewise.
130 * configure: Likewise.
132 2015-01-24 Matthias Klose <doko@ubuntu.com>
134 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
135 * configure: Regenerate.
137 2015-01-05 Jakub Jelinek <jakub@redhat.com>
139 Update copyright years.
141 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
144 * configure: Regenerated.
146 2014-11-11 David Malcolm <dmalcolm@redhat.com>
148 * ChangeLog.jit: New.
150 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
153 * configure: Regenerate.
155 2014-10-23 Ian Lance Taylor <iant@google.com>
157 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
158 Fix to return void *.
160 2014-05-08 Ian Lance Taylor <iant@google.com>
162 * mmap.c (backtrace_free): If freeing a large aligned block of
163 memory, call munmap rather than holding onto it.
164 (backtrace_vector_grow): When growing a vector, double the number
165 of pages requested. When releasing the old version of a grown
166 vector, pass the correct size to backtrace_free.
168 2014-03-07 Ian Lance Taylor <iant@google.com>
170 * sort.c (backtrace_qsort): Use middle element as pivot.
172 2014-03-06 Ian Lance Taylor <iant@google.com>
176 * internal.h (backtrace_qsort): Declare.
177 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
178 (read_line_info, read_function_entry): Likewise.
179 (read_function_info, build_dwarf_data): Likewise.
180 * elf.c (elf_initialize_syminfo): Likewise.
181 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
182 (stest_SOURCES, stest_LDADD): Define.
183 (check_PROGRAMS): Add stest.
185 2014-02-07 Misty De Meo <misty@brew.sh>
188 * configure.ac: Use AC_LINK_IFELSE in check for
190 * configure: Regenerate.
192 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
194 Update copyright years
196 2013-12-06 Jakub Jelinek <jakub@redhat.com>
198 * elf.c (ET_DYN): Undefine and define again.
199 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
200 return early -1 without closing the descriptor.
201 (struct phdr_data): Add exe_descriptor.
202 (phdr_callback): If pd->exe_descriptor is not -1, for very first
203 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
204 otherwise backtrace_close the exe_descriptor if not -1. Adjust
206 (backtrace_initialize): Adjust call to elf_add. If it returns
207 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
209 2013-12-05 Ian Lance Taylor <iant@google.com>
211 * alloc.c (backtrace_vector_finish): Add error_callback and data
212 parameters. Call backtrace_vector_release. Return address base.
213 * mmap.c (backtrace_vector_finish): Add error_callback and data
214 parameters. Return address base.
215 * dwarf.c (read_function_info): Get new address base from
216 backtrace_vector_finish.
217 * internal.h (backtrace_vector_finish): Update declaration.
219 2013-11-27 Ian Lance Taylor <iant@google.com>
221 * dwarf.c (find_address_ranges): New static function, broken out
222 of build_address_map.
223 (build_address_map): Call it.
224 * btest.c (check): Check for missing filename or function, rather
226 (f3): Check that enough frames were returned.
228 2013-11-19 Jakub Jelinek <jakub@redhat.com>
230 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
231 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
233 * btest.c (struct symdata): Add size field.
234 (callback_three): Add symsize argument. Copy it to the data->size
236 (f23): Set symdata.size to 0.
237 (test5): Likewise. If sizeof (int) > 1, lookup address of
238 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
241 * atomic.c: Include sys/types.h.
243 2013-11-18 Ian Lance Taylor <iant@google.com>
245 * configure.ac: Check for support of __atomic extensions.
246 * internal.h: Declare or #define atomic functions for use in
248 * atomic.c: New file.
249 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
250 (dwarf_fileline, backtrace_dwarf_add): Likewise.
251 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
252 (backtrace_initialize): Likewise.
253 * fileline.c (fileline_initialize): Likewise.
254 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
255 * configure, config.h.in, Makefile.in: Rebuild.
257 2013-11-18 Jakub Jelinek <jakub@redhat.com>
259 * elf.c (SHN_UNDEF): Define.
260 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
261 with st_shndx == SHN_UNDEF. Add base_address to address fields.
262 (elf_add): Adjust caller.
264 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
266 2013-11-16 Ian Lance Taylor <iant@google.com>
268 * backtrace.h (backtrace_create_state): Correct comment about
271 2013-11-15 Ian Lance Taylor <iant@google.com>
273 * backtrace.h (backtrace_syminfo): Update comment and parameter
274 name to take any address, not just a PC value.
275 * elf.c (STT_OBJECT): Define.
276 (elf_nosyms): Rename parameter pc to addr.
277 (elf_symbol_search): Rename local variable pc to addr.
278 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
279 (elf_syminfo): Rename parameter pc to addr.
280 * btest.c (global): New global variable.
284 2013-10-17 Ian Lance Taylor <iant@google.com>
286 * elf.c (elf_add): Don't get the wrong offsets if a debug section
289 2013-10-15 David Malcolm <dmalcolm@redhat.com>
291 * configure.ac: Add --enable-host-shared, setting up
292 pre-existing PIC_FLAG variable within Makefile.am et al.
293 * configure: Regenerate.
295 2013-09-20 Alan Modra <amodra@gmail.com>
297 * configure: Regenerate.
299 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
301 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
303 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
305 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
306 dl_iterate_phdr callbacks.
308 2013-03-25 Ian Lance Taylor <iant@google.com>
310 * alloc.c: #include <sys/types.h>.
313 2013-01-31 Ian Lance Taylor <iant@google.com>
315 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
316 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
318 2013-01-25 Jakub Jelinek <jakub@redhat.com>
321 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
322 attribute was not seen.
324 2013-01-16 Ian Lance Taylor <iant@google.com>
326 * dwarf.c (struct unit): Add filename and abs_filename fields.
327 (build_address_map): Set new fields when reading unit.
328 (dwarf_lookup_pc): If we don't find an entry in the line table,
329 just return the main file name.
331 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
333 Update copyright years.
335 2013-01-01 Ian Lance Taylor <iant@google.com>
338 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
339 $(MULTIBUILDTOP)/../../gcc/include.
340 * Makefile.in: Rebuild.
342 2013-01-01 Ian Lance Taylor <iant@google.com>
345 * mmap.c (backtrace_alloc): Don't call sync functions if not
347 (backtrace_free): Likewise.
349 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
351 * mmapio.c: Define MAP_FAILED if not defined.
353 2012-12-11 Jakub Jelinek <jakub@redhat.com>
356 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
357 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
358 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
360 * Makefile.in: Regenerated.
361 * configure: Regenerated.
363 2012-12-07 Jakub Jelinek <jakub@redhat.com>
366 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
367 * Makefile.in: Regenerated.
369 2012-11-20 Ian Lance Taylor <iant@google.com>
371 * dwarf.c (read_attribute): Always clear val.
373 2012-11-13 Ian Lance Taylor <iant@google.com>
376 * configure.ac: Only add -Werror if building a target library.
377 * configure: Rebuild.
379 2012-11-12 Ian Lance Taylor <iant@google.com>
380 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
381 Gerald Pfeifer <gerald@pfeifer.com>
383 * configure.ac: Check for getexecname.
384 * fileline.c: #include <errno.h>. Define getexecname if not
386 (fileline_initialize): Try to find the executable in a few
388 * print.c (error_callback): Only print the filename if it came
389 from the backtrace state.
390 * configure, config.h.in: Rebuild.
392 2012-10-29 Ian Lance Taylor <iant@google.com>
394 * mmap.c (backtrace_vector_release): Correct last patch: add
397 2012-10-29 Ian Lance Taylor <iant@google.com>
399 * mmap.c (backtrace_vector_release): Make sure freed block is
400 aligned on 8-byte boundary.
402 2012-10-26 Ian Lance Taylor <iant@google.com>
405 * posix.c (backtrace_open): Add does_not_exist parameter.
406 * elf.c (phdr_callback): Do not warn if shared library could not
408 * fileline.c (fileline_initialize): Update calls to
410 * internal.h (backtrace_open): Update declaration.
412 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
415 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
416 * configure: Regenerate.
418 2012-10-24 Ian Lance Taylor <iant@google.com>
421 * configure.ac: Check whether -funwind-tables option works.
422 * configure: Rebuild.
424 2012-10-11 Ian Lance Taylor <iant@google.com>
426 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
427 * configure: Rebuild.
429 2012-10-10 Ian Lance Taylor <iant@google.com>
431 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
434 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
436 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
438 2012-10-09 Ian Lance Taylor <iant@google.com>
440 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
441 (backtrace_dwarf_add): Likewise.
443 2012-10-09 Ian Lance Taylor <iant@google.com>
445 Add support for tracing through shared libraries.
446 * configure.ac: Check for link.h and dl_iterate_phdr.
447 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
448 ELF macros before #defining them.
449 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
451 (struct elf_syminfo_data): Add next field.
452 (elf_initialize_syminfo): Initialize next field.
453 (elf_add_syminfo_data): New static function.
454 (elf_add): New static function, broken out of
455 backtrace_initialize. Call backtrace_dwarf_add instead of
456 backtrace_dwarf_initialize.
457 (struct phdr_data): Define.
458 (phdr_callback): New static function.
459 (backtrace_initialize): Call elf_add.
460 * dwarf.c (struct dwarf_data): Add next and base_address fields.
461 (add_unit_addr): Add base_address parameter. Change all callers.
462 (add_unit_ranges, build_address_map): Likewise.
463 (add_line): Add ddata parameter. Change all callers.
464 (read_line_program, add_function_range): Likewise.
465 (dwarf_lookup_pc): New static function, broken out of
467 (dwarf_fileline): Call dwarf_lookup_pc.
468 (build_dwarf_data): New static function.
469 (backtrace_dwarf_add): New function.
470 (backtrace_dwarf_initialize): Remove.
471 * internal.h (backtrace_dwarf_initialize): Don't declare.
472 (backtrace_dwarf_add): Declare.
473 * configure, config.h.in: Rebuild.
475 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
477 * btest.c (f23): Avoid uninitialized variable warning.
479 2012-10-04 Ian Lance Taylor <iant@google.com>
481 * dwarf.c: If the system header files do not declare strnlen,
482 provide our own version.
484 2012-10-03 Ian Lance Taylor <iant@google.com>
486 * dwarf.c (read_uleb128): Fix overflow test.
487 (read_sleb128): Likewise.
488 (build_address_map): Don't change unit_buf.start.
490 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
493 * configure.ac (EXTRA_FLAGS): New.
494 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
495 * configure, Makefile.in: Regenerate.
497 2012-09-29 Ian Lance Taylor <iant@google.com>
500 * fileline.c (fileline_initialize): Pass errnum as -1 when
501 reporting that we could not read executable information after a
504 2012-09-27 Ian Lance Taylor <iant@google.com>
507 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
508 * Makefile.am: Add dependencies for all objects.
509 * configure, aclocal.m4, Makefile.in: Rebuild.
511 2012-09-27 Ian Lance Taylor <iant@google.com>
514 * elf.c (backtrace_initialize): Set *fileln_fn, not
517 2012-09-19 Ian Lance Taylor <iant@google.com>
519 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
521 * configure: Rebuild.
523 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
524 Ian Lance Taylor <iant@google.com>
526 * configure.ac (GCC_HEADER_STDINT): Invoke.
527 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
528 * btest.c: Don't include <stdint.h>.
530 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
532 2012-09-18 Ian Lance Taylor <iant@google.com>
535 * Makefile.am (AM_CPPFLAGS): Define.
536 (AM_CFLAGS): Remove -I options.
537 * Makefile.in: Rebuild.
539 2012-09-18 Ian Lance Taylor <iant@google.com>
541 * posix.c (O_BINARY): Define if not defined.
542 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
543 HAVE_FCNTL is defined.
544 * configure.ac: Test for the fcntl function.
545 * configure, config.h.in: Rebuild.
547 2012-09-18 Ian Lance Taylor <iant@google.com>
549 * btest.c (test1, test2, test3, test4): Add the unused attribute.
551 2012-09-18 Ian Lance Taylor <iant@google.com>
553 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
555 2012-09-18 Ian Lance Taylor <iant@google.com>
557 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
558 * mmapio.c: Don't define _GNU_SOURCE.
559 * configure, config.h.in: Rebuild.
561 2012-09-18 Ian Lance Taylor <iant@google.com>
563 * configure.ac: Check whether strnlen is declared.
564 * dwarf.c: Declare strnlen if not declared.
565 * configure, config.h.in: Rebuild.
567 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
569 * fileline.c: Include <stdlib.h>.
572 2012-09-17 Ian Lance Taylor <iant@google.com>
575 * nounwind.c (backtrace_full): Rename from backtrace. Add state
578 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
581 * nounwind.c (backtrace_simple): Add state parameter.
583 2012-09-17 Ian Lance Taylor <iant@google.com>
586 * unknown.c (unknown_fileline): Add state parameter, remove
587 fileline_data parameter, name error_callback parameter.
588 (backtrace_initialize): Add state parameter.
590 2012-09-17 Ian Lance Taylor <iant@google.com>
592 * Initial implementation.
594 Copyright (C) 2012-2016 Free Software Foundation, Inc.
596 Copying and distribution of this file, with or without modification,
597 are permitted in any medium without royalty provided the copyright
598 notice and this notice are preserved.