1 2016-09-11 Carlos Liam <carlos@aarzee.me>
3 * all: Remove meaningless trailing whitespace.
5 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
8 * elf.c (phdr_callback) [__i386__]: Add
9 __attribute__((__force_align_arg_pointer__)).
11 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
13 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
15 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
16 missing debug info anymore.
18 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
20 * mmap.c (MAP_FAILED): Define if not defined.
22 2016-01-04 Jakub Jelinek <jakub@redhat.com>
24 Update copyright years.
26 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
28 * configure.ac: Specify that DJGPP do not have mmap
29 even when sys/mman.h exists.
30 * configure: Regenerate
32 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
35 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
36 * configure: Regenerate.
37 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
40 2015-09-17 Ian Lance Taylor <iant@google.com>
42 * posix.c (backtrace_open): Cast second argument of open() to int.
44 2015-09-11 Ian Lance Taylor <iant@google.com>
46 * Makefile.am (backtrace.lo): Depend on internal.h.
47 (sort.lo, stest.lo): Add explicit dependencies.
48 * Makefile.in: Rebuild.
50 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
52 * backtrace.c: #include <sys/types.h>.
54 2015-09-08 Ian Lance Taylor <iant@google.com>
57 * backtrace.c: #include "internal.h".
58 (struct backtrace_data): Add can_alloc field.
59 (unwind): If can_alloc is false, don't try to get file/line
61 (backtrace_full): Set can_alloc field in bdata.
62 * alloc.c (backtrace_alloc): Don't call error_callback if it is
64 * mmap.c (backtrace_alloc): Likewise.
65 * internal.h: Update comments for backtrace_alloc and
68 2015-09-08 Ian Lance Taylor <iant@google.com>
71 * mmap.c (backtrace_alloc): Correct test for mmap failure.
73 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
75 * configure.ac: For spu-*-* targets, set have_fcntl to no.
76 * configure: Regenerate.
78 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
80 * configure.ac: Remove [disable-shared] argument to LT_INIT.
81 Remove setting PIC_FLAG when building as target library.
82 * configure: Regenerate.
84 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
86 * configure.ac: Only compile with -fPIC if the target
88 * configure: Regenerate.
90 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
92 * configure.ac: Set have_mmap to no on spu-*-* targets.
93 * configure: Regenerate.
95 2015-08-13 Ian Lance Taylor <iant@google.com>
97 * dwarf.c (read_function_entry): Add vec_inlined parameter.
100 2015-06-11 Martin Sebor <msebor@redhat.com>
103 * dwarf.c (struct line): Add new field idx.
104 (line_compare): Use it.
106 (read_line_info): Reset it.
108 2015-05-29 Tristan Gingold <gingold@adacore.com>
110 * pecoff.c: New file.
111 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
112 * Makefile.in: Regenerate.
113 * filetype.awk: Detect pecoff.
114 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
116 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
118 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
119 * configure: Regenerate.
120 * pecoff.c: New file.
122 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
124 * Makefile.in: Regenerated with automake-1.11.6.
125 * aclocal.m4: Likewise.
126 * configure: Likewise.
128 2015-01-24 Matthias Klose <doko@ubuntu.com>
130 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
131 * configure: Regenerate.
133 2015-01-05 Jakub Jelinek <jakub@redhat.com>
135 Update copyright years.
137 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
140 * configure: Regenerated.
142 2014-11-11 David Malcolm <dmalcolm@redhat.com>
144 * ChangeLog.jit: New.
146 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
149 * configure: Regenerate.
151 2014-10-23 Ian Lance Taylor <iant@google.com>
153 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
154 Fix to return void *.
156 2014-05-08 Ian Lance Taylor <iant@google.com>
158 * mmap.c (backtrace_free): If freeing a large aligned block of
159 memory, call munmap rather than holding onto it.
160 (backtrace_vector_grow): When growing a vector, double the number
161 of pages requested. When releasing the old version of a grown
162 vector, pass the correct size to backtrace_free.
164 2014-03-07 Ian Lance Taylor <iant@google.com>
166 * sort.c (backtrace_qsort): Use middle element as pivot.
168 2014-03-06 Ian Lance Taylor <iant@google.com>
172 * internal.h (backtrace_qsort): Declare.
173 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
174 (read_line_info, read_function_entry): Likewise.
175 (read_function_info, build_dwarf_data): Likewise.
176 * elf.c (elf_initialize_syminfo): Likewise.
177 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
178 (stest_SOURCES, stest_LDADD): Define.
179 (check_PROGRAMS): Add stest.
181 2014-02-07 Misty De Meo <misty@brew.sh>
184 * configure.ac: Use AC_LINK_IFELSE in check for
186 * configure: Regenerate.
188 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
190 Update copyright years
192 2013-12-06 Jakub Jelinek <jakub@redhat.com>
194 * elf.c (ET_DYN): Undefine and define again.
195 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
196 return early -1 without closing the descriptor.
197 (struct phdr_data): Add exe_descriptor.
198 (phdr_callback): If pd->exe_descriptor is not -1, for very first
199 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
200 otherwise backtrace_close the exe_descriptor if not -1. Adjust
202 (backtrace_initialize): Adjust call to elf_add. If it returns
203 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
205 2013-12-05 Ian Lance Taylor <iant@google.com>
207 * alloc.c (backtrace_vector_finish): Add error_callback and data
208 parameters. Call backtrace_vector_release. Return address base.
209 * mmap.c (backtrace_vector_finish): Add error_callback and data
210 parameters. Return address base.
211 * dwarf.c (read_function_info): Get new address base from
212 backtrace_vector_finish.
213 * internal.h (backtrace_vector_finish): Update declaration.
215 2013-11-27 Ian Lance Taylor <iant@google.com>
217 * dwarf.c (find_address_ranges): New static function, broken out
218 of build_address_map.
219 (build_address_map): Call it.
220 * btest.c (check): Check for missing filename or function, rather
222 (f3): Check that enough frames were returned.
224 2013-11-19 Jakub Jelinek <jakub@redhat.com>
226 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
227 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
229 * btest.c (struct symdata): Add size field.
230 (callback_three): Add symsize argument. Copy it to the data->size
232 (f23): Set symdata.size to 0.
233 (test5): Likewise. If sizeof (int) > 1, lookup address of
234 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
237 * atomic.c: Include sys/types.h.
239 2013-11-18 Ian Lance Taylor <iant@google.com>
241 * configure.ac: Check for support of __atomic extensions.
242 * internal.h: Declare or #define atomic functions for use in
244 * atomic.c: New file.
245 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
246 (dwarf_fileline, backtrace_dwarf_add): Likewise.
247 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
248 (backtrace_initialize): Likewise.
249 * fileline.c (fileline_initialize): Likewise.
250 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
251 * configure, config.h.in, Makefile.in: Rebuild.
253 2013-11-18 Jakub Jelinek <jakub@redhat.com>
255 * elf.c (SHN_UNDEF): Define.
256 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
257 with st_shndx == SHN_UNDEF. Add base_address to address fields.
258 (elf_add): Adjust caller.
260 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
262 2013-11-16 Ian Lance Taylor <iant@google.com>
264 * backtrace.h (backtrace_create_state): Correct comment about
267 2013-11-15 Ian Lance Taylor <iant@google.com>
269 * backtrace.h (backtrace_syminfo): Update comment and parameter
270 name to take any address, not just a PC value.
271 * elf.c (STT_OBJECT): Define.
272 (elf_nosyms): Rename parameter pc to addr.
273 (elf_symbol_search): Rename local variable pc to addr.
274 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
275 (elf_syminfo): Rename parameter pc to addr.
276 * btest.c (global): New global variable.
280 2013-10-17 Ian Lance Taylor <iant@google.com>
282 * elf.c (elf_add): Don't get the wrong offsets if a debug section
285 2013-10-15 David Malcolm <dmalcolm@redhat.com>
287 * configure.ac: Add --enable-host-shared, setting up
288 pre-existing PIC_FLAG variable within Makefile.am et al.
289 * configure: Regenerate.
291 2013-09-20 Alan Modra <amodra@gmail.com>
293 * configure: Regenerate.
295 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
297 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
299 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
301 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
302 dl_iterate_phdr callbacks.
304 2013-03-25 Ian Lance Taylor <iant@google.com>
306 * alloc.c: #include <sys/types.h>.
309 2013-01-31 Ian Lance Taylor <iant@google.com>
311 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
312 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
314 2013-01-25 Jakub Jelinek <jakub@redhat.com>
317 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
318 attribute was not seen.
320 2013-01-16 Ian Lance Taylor <iant@google.com>
322 * dwarf.c (struct unit): Add filename and abs_filename fields.
323 (build_address_map): Set new fields when reading unit.
324 (dwarf_lookup_pc): If we don't find an entry in the line table,
325 just return the main file name.
327 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
329 Update copyright years.
331 2013-01-01 Ian Lance Taylor <iant@google.com>
334 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
335 $(MULTIBUILDTOP)/../../gcc/include.
336 * Makefile.in: Rebuild.
338 2013-01-01 Ian Lance Taylor <iant@google.com>
341 * mmap.c (backtrace_alloc): Don't call sync functions if not
343 (backtrace_free): Likewise.
345 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
347 * mmapio.c: Define MAP_FAILED if not defined.
349 2012-12-11 Jakub Jelinek <jakub@redhat.com>
352 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
353 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
354 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
356 * Makefile.in: Regenerated.
357 * configure: Regenerated.
359 2012-12-07 Jakub Jelinek <jakub@redhat.com>
362 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
363 * Makefile.in: Regenerated.
365 2012-11-20 Ian Lance Taylor <iant@google.com>
367 * dwarf.c (read_attribute): Always clear val.
369 2012-11-13 Ian Lance Taylor <iant@google.com>
372 * configure.ac: Only add -Werror if building a target library.
373 * configure: Rebuild.
375 2012-11-12 Ian Lance Taylor <iant@google.com>
376 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
377 Gerald Pfeifer <gerald@pfeifer.com>
379 * configure.ac: Check for getexecname.
380 * fileline.c: #include <errno.h>. Define getexecname if not
382 (fileline_initialize): Try to find the executable in a few
384 * print.c (error_callback): Only print the filename if it came
385 from the backtrace state.
386 * configure, config.h.in: Rebuild.
388 2012-10-29 Ian Lance Taylor <iant@google.com>
390 * mmap.c (backtrace_vector_release): Correct last patch: add
393 2012-10-29 Ian Lance Taylor <iant@google.com>
395 * mmap.c (backtrace_vector_release): Make sure freed block is
396 aligned on 8-byte boundary.
398 2012-10-26 Ian Lance Taylor <iant@google.com>
401 * posix.c (backtrace_open): Add does_not_exist parameter.
402 * elf.c (phdr_callback): Do not warn if shared library could not
404 * fileline.c (fileline_initialize): Update calls to
406 * internal.h (backtrace_open): Update declaration.
408 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
411 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
412 * configure: Regenerate.
414 2012-10-24 Ian Lance Taylor <iant@google.com>
417 * configure.ac: Check whether -funwind-tables option works.
418 * configure: Rebuild.
420 2012-10-11 Ian Lance Taylor <iant@google.com>
422 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
423 * configure: Rebuild.
425 2012-10-10 Ian Lance Taylor <iant@google.com>
427 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
430 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
432 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
434 2012-10-09 Ian Lance Taylor <iant@google.com>
436 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
437 (backtrace_dwarf_add): Likewise.
439 2012-10-09 Ian Lance Taylor <iant@google.com>
441 Add support for tracing through shared libraries.
442 * configure.ac: Check for link.h and dl_iterate_phdr.
443 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
444 ELF macros before #defining them.
445 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
447 (struct elf_syminfo_data): Add next field.
448 (elf_initialize_syminfo): Initialize next field.
449 (elf_add_syminfo_data): New static function.
450 (elf_add): New static function, broken out of
451 backtrace_initialize. Call backtrace_dwarf_add instead of
452 backtrace_dwarf_initialize.
453 (struct phdr_data): Define.
454 (phdr_callback): New static function.
455 (backtrace_initialize): Call elf_add.
456 * dwarf.c (struct dwarf_data): Add next and base_address fields.
457 (add_unit_addr): Add base_address parameter. Change all callers.
458 (add_unit_ranges, build_address_map): Likewise.
459 (add_line): Add ddata parameter. Change all callers.
460 (read_line_program, add_function_range): Likewise.
461 (dwarf_lookup_pc): New static function, broken out of
463 (dwarf_fileline): Call dwarf_lookup_pc.
464 (build_dwarf_data): New static function.
465 (backtrace_dwarf_add): New function.
466 (backtrace_dwarf_initialize): Remove.
467 * internal.h (backtrace_dwarf_initialize): Don't declare.
468 (backtrace_dwarf_add): Declare.
469 * configure, config.h.in: Rebuild.
471 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
473 * btest.c (f23): Avoid uninitialized variable warning.
475 2012-10-04 Ian Lance Taylor <iant@google.com>
477 * dwarf.c: If the system header files do not declare strnlen,
478 provide our own version.
480 2012-10-03 Ian Lance Taylor <iant@google.com>
482 * dwarf.c (read_uleb128): Fix overflow test.
483 (read_sleb128): Likewise.
484 (build_address_map): Don't change unit_buf.start.
486 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
489 * configure.ac (EXTRA_FLAGS): New.
490 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
491 * configure, Makefile.in: Regenerate.
493 2012-09-29 Ian Lance Taylor <iant@google.com>
496 * fileline.c (fileline_initialize): Pass errnum as -1 when
497 reporting that we could not read executable information after a
500 2012-09-27 Ian Lance Taylor <iant@google.com>
503 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
504 * Makefile.am: Add dependencies for all objects.
505 * configure, aclocal.m4, Makefile.in: Rebuild.
507 2012-09-27 Ian Lance Taylor <iant@google.com>
510 * elf.c (backtrace_initialize): Set *fileln_fn, not
513 2012-09-19 Ian Lance Taylor <iant@google.com>
515 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
517 * configure: Rebuild.
519 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
520 Ian Lance Taylor <iant@google.com>
522 * configure.ac (GCC_HEADER_STDINT): Invoke.
523 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
524 * btest.c: Don't include <stdint.h>.
526 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
528 2012-09-18 Ian Lance Taylor <iant@google.com>
531 * Makefile.am (AM_CPPFLAGS): Define.
532 (AM_CFLAGS): Remove -I options.
533 * Makefile.in: Rebuild.
535 2012-09-18 Ian Lance Taylor <iant@google.com>
537 * posix.c (O_BINARY): Define if not defined.
538 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
539 HAVE_FCNTL is defined.
540 * configure.ac: Test for the fcntl function.
541 * configure, config.h.in: Rebuild.
543 2012-09-18 Ian Lance Taylor <iant@google.com>
545 * btest.c (test1, test2, test3, test4): Add the unused attribute.
547 2012-09-18 Ian Lance Taylor <iant@google.com>
549 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
551 2012-09-18 Ian Lance Taylor <iant@google.com>
553 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
554 * mmapio.c: Don't define _GNU_SOURCE.
555 * configure, config.h.in: Rebuild.
557 2012-09-18 Ian Lance Taylor <iant@google.com>
559 * configure.ac: Check whether strnlen is declared.
560 * dwarf.c: Declare strnlen if not declared.
561 * configure, config.h.in: Rebuild.
563 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
565 * fileline.c: Include <stdlib.h>.
568 2012-09-17 Ian Lance Taylor <iant@google.com>
571 * nounwind.c (backtrace_full): Rename from backtrace. Add state
574 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
577 * nounwind.c (backtrace_simple): Add state parameter.
579 2012-09-17 Ian Lance Taylor <iant@google.com>
582 * unknown.c (unknown_fileline): Add state parameter, remove
583 fileline_data parameter, name error_callback parameter.
584 (backtrace_initialize): Add state parameter.
586 2012-09-17 Ian Lance Taylor <iant@google.com>
588 * Initial implementation.
590 Copyright (C) 2012-2016 Free Software Foundation, Inc.
592 Copying and distribution of this file, with or without modification,
593 are permitted in any medium without royalty provided the copyright
594 notice and this notice are preserved.