1 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
3 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
4 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
6 2017-01-01 Jakub Jelinek <jakub@redhat.com>
8 Update copyright years.
10 2016-11-15 Matthias Klose <doko@ubuntu.com>
12 * configure: Regenerate.
14 2016-09-11 Carlos Liam <carlos@aarzee.me>
16 * all: Remove meaningless trailing whitespace.
18 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
21 * elf.c (phdr_callback) [__i386__]: Add
22 __attribute__((__force_align_arg_pointer__)).
24 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
26 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
28 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
29 missing debug info anymore.
31 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
33 * mmap.c (MAP_FAILED): Define if not defined.
35 2016-01-04 Jakub Jelinek <jakub@redhat.com>
37 Update copyright years.
39 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
41 * configure.ac: Specify that DJGPP do not have mmap
42 even when sys/mman.h exists.
43 * configure: Regenerate
45 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
48 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
49 * configure: Regenerate.
50 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
53 2015-09-17 Ian Lance Taylor <iant@google.com>
55 * posix.c (backtrace_open): Cast second argument of open() to int.
57 2015-09-11 Ian Lance Taylor <iant@google.com>
59 * Makefile.am (backtrace.lo): Depend on internal.h.
60 (sort.lo, stest.lo): Add explicit dependencies.
61 * Makefile.in: Rebuild.
63 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
65 * backtrace.c: #include <sys/types.h>.
67 2015-09-08 Ian Lance Taylor <iant@google.com>
70 * backtrace.c: #include "internal.h".
71 (struct backtrace_data): Add can_alloc field.
72 (unwind): If can_alloc is false, don't try to get file/line
74 (backtrace_full): Set can_alloc field in bdata.
75 * alloc.c (backtrace_alloc): Don't call error_callback if it is
77 * mmap.c (backtrace_alloc): Likewise.
78 * internal.h: Update comments for backtrace_alloc and
81 2015-09-08 Ian Lance Taylor <iant@google.com>
84 * mmap.c (backtrace_alloc): Correct test for mmap failure.
86 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
88 * configure.ac: For spu-*-* targets, set have_fcntl to no.
89 * configure: Regenerate.
91 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
93 * configure.ac: Remove [disable-shared] argument to LT_INIT.
94 Remove setting PIC_FLAG when building as target library.
95 * configure: Regenerate.
97 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
99 * configure.ac: Only compile with -fPIC if the target
101 * configure: Regenerate.
103 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
105 * configure.ac: Set have_mmap to no on spu-*-* targets.
106 * configure: Regenerate.
108 2015-08-13 Ian Lance Taylor <iant@google.com>
110 * dwarf.c (read_function_entry): Add vec_inlined parameter.
113 2015-06-11 Martin Sebor <msebor@redhat.com>
116 * dwarf.c (struct line): Add new field idx.
117 (line_compare): Use it.
119 (read_line_info): Reset it.
121 2015-05-29 Tristan Gingold <gingold@adacore.com>
123 * pecoff.c: New file.
124 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
125 * Makefile.in: Regenerate.
126 * filetype.awk: Detect pecoff.
127 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
129 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
131 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
132 * configure: Regenerate.
133 * pecoff.c: New file.
135 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
137 * Makefile.in: Regenerated with automake-1.11.6.
138 * aclocal.m4: Likewise.
139 * configure: Likewise.
141 2015-01-24 Matthias Klose <doko@ubuntu.com>
143 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
144 * configure: Regenerate.
146 2015-01-05 Jakub Jelinek <jakub@redhat.com>
148 Update copyright years.
150 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
153 * configure: Regenerated.
155 2014-11-11 David Malcolm <dmalcolm@redhat.com>
157 * ChangeLog.jit: New.
159 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
162 * configure: Regenerate.
164 2014-10-23 Ian Lance Taylor <iant@google.com>
166 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
167 Fix to return void *.
169 2014-05-08 Ian Lance Taylor <iant@google.com>
171 * mmap.c (backtrace_free): If freeing a large aligned block of
172 memory, call munmap rather than holding onto it.
173 (backtrace_vector_grow): When growing a vector, double the number
174 of pages requested. When releasing the old version of a grown
175 vector, pass the correct size to backtrace_free.
177 2014-03-07 Ian Lance Taylor <iant@google.com>
179 * sort.c (backtrace_qsort): Use middle element as pivot.
181 2014-03-06 Ian Lance Taylor <iant@google.com>
185 * internal.h (backtrace_qsort): Declare.
186 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
187 (read_line_info, read_function_entry): Likewise.
188 (read_function_info, build_dwarf_data): Likewise.
189 * elf.c (elf_initialize_syminfo): Likewise.
190 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
191 (stest_SOURCES, stest_LDADD): Define.
192 (check_PROGRAMS): Add stest.
194 2014-02-07 Misty De Meo <misty@brew.sh>
197 * configure.ac: Use AC_LINK_IFELSE in check for
199 * configure: Regenerate.
201 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
203 Update copyright years
205 2013-12-06 Jakub Jelinek <jakub@redhat.com>
207 * elf.c (ET_DYN): Undefine and define again.
208 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
209 return early -1 without closing the descriptor.
210 (struct phdr_data): Add exe_descriptor.
211 (phdr_callback): If pd->exe_descriptor is not -1, for very first
212 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
213 otherwise backtrace_close the exe_descriptor if not -1. Adjust
215 (backtrace_initialize): Adjust call to elf_add. If it returns
216 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
218 2013-12-05 Ian Lance Taylor <iant@google.com>
220 * alloc.c (backtrace_vector_finish): Add error_callback and data
221 parameters. Call backtrace_vector_release. Return address base.
222 * mmap.c (backtrace_vector_finish): Add error_callback and data
223 parameters. Return address base.
224 * dwarf.c (read_function_info): Get new address base from
225 backtrace_vector_finish.
226 * internal.h (backtrace_vector_finish): Update declaration.
228 2013-11-27 Ian Lance Taylor <iant@google.com>
230 * dwarf.c (find_address_ranges): New static function, broken out
231 of build_address_map.
232 (build_address_map): Call it.
233 * btest.c (check): Check for missing filename or function, rather
235 (f3): Check that enough frames were returned.
237 2013-11-19 Jakub Jelinek <jakub@redhat.com>
239 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
240 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
242 * btest.c (struct symdata): Add size field.
243 (callback_three): Add symsize argument. Copy it to the data->size
245 (f23): Set symdata.size to 0.
246 (test5): Likewise. If sizeof (int) > 1, lookup address of
247 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
250 * atomic.c: Include sys/types.h.
252 2013-11-18 Ian Lance Taylor <iant@google.com>
254 * configure.ac: Check for support of __atomic extensions.
255 * internal.h: Declare or #define atomic functions for use in
257 * atomic.c: New file.
258 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
259 (dwarf_fileline, backtrace_dwarf_add): Likewise.
260 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
261 (backtrace_initialize): Likewise.
262 * fileline.c (fileline_initialize): Likewise.
263 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
264 * configure, config.h.in, Makefile.in: Rebuild.
266 2013-11-18 Jakub Jelinek <jakub@redhat.com>
268 * elf.c (SHN_UNDEF): Define.
269 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
270 with st_shndx == SHN_UNDEF. Add base_address to address fields.
271 (elf_add): Adjust caller.
273 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
275 2013-11-16 Ian Lance Taylor <iant@google.com>
277 * backtrace.h (backtrace_create_state): Correct comment about
280 2013-11-15 Ian Lance Taylor <iant@google.com>
282 * backtrace.h (backtrace_syminfo): Update comment and parameter
283 name to take any address, not just a PC value.
284 * elf.c (STT_OBJECT): Define.
285 (elf_nosyms): Rename parameter pc to addr.
286 (elf_symbol_search): Rename local variable pc to addr.
287 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
288 (elf_syminfo): Rename parameter pc to addr.
289 * btest.c (global): New global variable.
293 2013-10-17 Ian Lance Taylor <iant@google.com>
295 * elf.c (elf_add): Don't get the wrong offsets if a debug section
298 2013-10-15 David Malcolm <dmalcolm@redhat.com>
300 * configure.ac: Add --enable-host-shared, setting up
301 pre-existing PIC_FLAG variable within Makefile.am et al.
302 * configure: Regenerate.
304 2013-09-20 Alan Modra <amodra@gmail.com>
306 * configure: Regenerate.
308 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
310 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
312 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
314 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
315 dl_iterate_phdr callbacks.
317 2013-03-25 Ian Lance Taylor <iant@google.com>
319 * alloc.c: #include <sys/types.h>.
322 2013-01-31 Ian Lance Taylor <iant@google.com>
324 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
325 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
327 2013-01-25 Jakub Jelinek <jakub@redhat.com>
330 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
331 attribute was not seen.
333 2013-01-16 Ian Lance Taylor <iant@google.com>
335 * dwarf.c (struct unit): Add filename and abs_filename fields.
336 (build_address_map): Set new fields when reading unit.
337 (dwarf_lookup_pc): If we don't find an entry in the line table,
338 just return the main file name.
340 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
342 Update copyright years.
344 2013-01-01 Ian Lance Taylor <iant@google.com>
347 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
348 $(MULTIBUILDTOP)/../../gcc/include.
349 * Makefile.in: Rebuild.
351 2013-01-01 Ian Lance Taylor <iant@google.com>
354 * mmap.c (backtrace_alloc): Don't call sync functions if not
356 (backtrace_free): Likewise.
358 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
360 * mmapio.c: Define MAP_FAILED if not defined.
362 2012-12-11 Jakub Jelinek <jakub@redhat.com>
365 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
366 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
367 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
369 * Makefile.in: Regenerated.
370 * configure: Regenerated.
372 2012-12-07 Jakub Jelinek <jakub@redhat.com>
375 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
376 * Makefile.in: Regenerated.
378 2012-11-20 Ian Lance Taylor <iant@google.com>
380 * dwarf.c (read_attribute): Always clear val.
382 2012-11-13 Ian Lance Taylor <iant@google.com>
385 * configure.ac: Only add -Werror if building a target library.
386 * configure: Rebuild.
388 2012-11-12 Ian Lance Taylor <iant@google.com>
389 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
390 Gerald Pfeifer <gerald@pfeifer.com>
392 * configure.ac: Check for getexecname.
393 * fileline.c: #include <errno.h>. Define getexecname if not
395 (fileline_initialize): Try to find the executable in a few
397 * print.c (error_callback): Only print the filename if it came
398 from the backtrace state.
399 * configure, config.h.in: Rebuild.
401 2012-10-29 Ian Lance Taylor <iant@google.com>
403 * mmap.c (backtrace_vector_release): Correct last patch: add
406 2012-10-29 Ian Lance Taylor <iant@google.com>
408 * mmap.c (backtrace_vector_release): Make sure freed block is
409 aligned on 8-byte boundary.
411 2012-10-26 Ian Lance Taylor <iant@google.com>
414 * posix.c (backtrace_open): Add does_not_exist parameter.
415 * elf.c (phdr_callback): Do not warn if shared library could not
417 * fileline.c (fileline_initialize): Update calls to
419 * internal.h (backtrace_open): Update declaration.
421 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
424 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
425 * configure: Regenerate.
427 2012-10-24 Ian Lance Taylor <iant@google.com>
430 * configure.ac: Check whether -funwind-tables option works.
431 * configure: Rebuild.
433 2012-10-11 Ian Lance Taylor <iant@google.com>
435 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
436 * configure: Rebuild.
438 2012-10-10 Ian Lance Taylor <iant@google.com>
440 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
443 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
445 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
447 2012-10-09 Ian Lance Taylor <iant@google.com>
449 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
450 (backtrace_dwarf_add): Likewise.
452 2012-10-09 Ian Lance Taylor <iant@google.com>
454 Add support for tracing through shared libraries.
455 * configure.ac: Check for link.h and dl_iterate_phdr.
456 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
457 ELF macros before #defining them.
458 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
460 (struct elf_syminfo_data): Add next field.
461 (elf_initialize_syminfo): Initialize next field.
462 (elf_add_syminfo_data): New static function.
463 (elf_add): New static function, broken out of
464 backtrace_initialize. Call backtrace_dwarf_add instead of
465 backtrace_dwarf_initialize.
466 (struct phdr_data): Define.
467 (phdr_callback): New static function.
468 (backtrace_initialize): Call elf_add.
469 * dwarf.c (struct dwarf_data): Add next and base_address fields.
470 (add_unit_addr): Add base_address parameter. Change all callers.
471 (add_unit_ranges, build_address_map): Likewise.
472 (add_line): Add ddata parameter. Change all callers.
473 (read_line_program, add_function_range): Likewise.
474 (dwarf_lookup_pc): New static function, broken out of
476 (dwarf_fileline): Call dwarf_lookup_pc.
477 (build_dwarf_data): New static function.
478 (backtrace_dwarf_add): New function.
479 (backtrace_dwarf_initialize): Remove.
480 * internal.h (backtrace_dwarf_initialize): Don't declare.
481 (backtrace_dwarf_add): Declare.
482 * configure, config.h.in: Rebuild.
484 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
486 * btest.c (f23): Avoid uninitialized variable warning.
488 2012-10-04 Ian Lance Taylor <iant@google.com>
490 * dwarf.c: If the system header files do not declare strnlen,
491 provide our own version.
493 2012-10-03 Ian Lance Taylor <iant@google.com>
495 * dwarf.c (read_uleb128): Fix overflow test.
496 (read_sleb128): Likewise.
497 (build_address_map): Don't change unit_buf.start.
499 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
502 * configure.ac (EXTRA_FLAGS): New.
503 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
504 * configure, Makefile.in: Regenerate.
506 2012-09-29 Ian Lance Taylor <iant@google.com>
509 * fileline.c (fileline_initialize): Pass errnum as -1 when
510 reporting that we could not read executable information after a
513 2012-09-27 Ian Lance Taylor <iant@google.com>
516 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
517 * Makefile.am: Add dependencies for all objects.
518 * configure, aclocal.m4, Makefile.in: Rebuild.
520 2012-09-27 Ian Lance Taylor <iant@google.com>
523 * elf.c (backtrace_initialize): Set *fileln_fn, not
526 2012-09-19 Ian Lance Taylor <iant@google.com>
528 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
530 * configure: Rebuild.
532 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
533 Ian Lance Taylor <iant@google.com>
535 * configure.ac (GCC_HEADER_STDINT): Invoke.
536 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
537 * btest.c: Don't include <stdint.h>.
539 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
541 2012-09-18 Ian Lance Taylor <iant@google.com>
544 * Makefile.am (AM_CPPFLAGS): Define.
545 (AM_CFLAGS): Remove -I options.
546 * Makefile.in: Rebuild.
548 2012-09-18 Ian Lance Taylor <iant@google.com>
550 * posix.c (O_BINARY): Define if not defined.
551 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
552 HAVE_FCNTL is defined.
553 * configure.ac: Test for the fcntl function.
554 * configure, config.h.in: Rebuild.
556 2012-09-18 Ian Lance Taylor <iant@google.com>
558 * btest.c (test1, test2, test3, test4): Add the unused attribute.
560 2012-09-18 Ian Lance Taylor <iant@google.com>
562 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
564 2012-09-18 Ian Lance Taylor <iant@google.com>
566 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
567 * mmapio.c: Don't define _GNU_SOURCE.
568 * configure, config.h.in: Rebuild.
570 2012-09-18 Ian Lance Taylor <iant@google.com>
572 * configure.ac: Check whether strnlen is declared.
573 * dwarf.c: Declare strnlen if not declared.
574 * configure, config.h.in: Rebuild.
576 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
578 * fileline.c: Include <stdlib.h>.
581 2012-09-17 Ian Lance Taylor <iant@google.com>
584 * nounwind.c (backtrace_full): Rename from backtrace. Add state
587 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
590 * nounwind.c (backtrace_simple): Add state parameter.
592 2012-09-17 Ian Lance Taylor <iant@google.com>
595 * unknown.c (unknown_fileline): Add state parameter, remove
596 fileline_data parameter, name error_callback parameter.
597 (backtrace_initialize): Add state parameter.
599 2012-09-17 Ian Lance Taylor <iant@google.com>
601 * Initial implementation.
603 Copyright (C) 2012-2017 Free Software Foundation, Inc.
605 Copying and distribution of this file, with or without modification,
606 are permitted in any medium without royalty provided the copyright
607 notice and this notice are preserved.