1 2017-06-21 Richard Biener <rguenther@suse.de>
3 * configure.ac: Add AC_SYS_LARGEFILE.
4 * config.h.in: Regenerate.
7 2017-06-11 Ian Lance Taylor <iant@golang.org>
9 * elf.c (backtrace_initialize): Always set *fileline_fn.
11 * btest.c: Move support functions into testlib.c. Change calls to
12 check to pass file name.
13 * testlib.c: New file, copied from (part of) btest.c.
14 * testlib.h: New file, declarations for testlib.c.
15 * edtest.c: Use testlib.h and testlib.c.
16 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
17 * Makefile.am (btest_SOURCES): Add testlib.c.
18 (edtest_SOURCES): Likewise.
19 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
20 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
21 * configure, Makefile.in: Rebuild.
23 2017-05-19 Than McIntosh <thanm@google.com>
25 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
26 (read_line_header): Don't allocate dirs if dirs_count == 0.
28 * edtest2.c: New file.
29 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
30 (check_PROGRAMS): Add edtest.
31 (edtest2_build.c, gen_edtest2_build): New targets.
32 * Makefile.in: Rebuild.
34 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
36 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
37 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
39 2017-01-01 Jakub Jelinek <jakub@redhat.com>
41 Update copyright years.
43 2016-11-15 Matthias Klose <doko@ubuntu.com>
45 * configure: Regenerate.
47 2016-09-11 Carlos Liam <carlos@aarzee.me>
49 * all: Remove meaningless trailing whitespace.
51 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
54 * elf.c (phdr_callback) [__i386__]: Add
55 __attribute__((__force_align_arg_pointer__)).
57 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
59 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
61 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
62 missing debug info anymore.
64 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
66 * mmap.c (MAP_FAILED): Define if not defined.
68 2016-01-04 Jakub Jelinek <jakub@redhat.com>
70 Update copyright years.
72 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
74 * configure.ac: Specify that DJGPP do not have mmap
75 even when sys/mman.h exists.
76 * configure: Regenerate
78 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
81 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
82 * configure: Regenerate.
83 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
86 2015-09-17 Ian Lance Taylor <iant@google.com>
88 * posix.c (backtrace_open): Cast second argument of open() to int.
90 2015-09-11 Ian Lance Taylor <iant@google.com>
92 * Makefile.am (backtrace.lo): Depend on internal.h.
93 (sort.lo, stest.lo): Add explicit dependencies.
94 * Makefile.in: Rebuild.
96 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
98 * backtrace.c: #include <sys/types.h>.
100 2015-09-08 Ian Lance Taylor <iant@google.com>
103 * backtrace.c: #include "internal.h".
104 (struct backtrace_data): Add can_alloc field.
105 (unwind): If can_alloc is false, don't try to get file/line
107 (backtrace_full): Set can_alloc field in bdata.
108 * alloc.c (backtrace_alloc): Don't call error_callback if it is
110 * mmap.c (backtrace_alloc): Likewise.
111 * internal.h: Update comments for backtrace_alloc and
114 2015-09-08 Ian Lance Taylor <iant@google.com>
117 * mmap.c (backtrace_alloc): Correct test for mmap failure.
119 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
121 * configure.ac: For spu-*-* targets, set have_fcntl to no.
122 * configure: Regenerate.
124 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
126 * configure.ac: Remove [disable-shared] argument to LT_INIT.
127 Remove setting PIC_FLAG when building as target library.
128 * configure: Regenerate.
130 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
132 * configure.ac: Only compile with -fPIC if the target
134 * configure: Regenerate.
136 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
138 * configure.ac: Set have_mmap to no on spu-*-* targets.
139 * configure: Regenerate.
141 2015-08-13 Ian Lance Taylor <iant@google.com>
143 * dwarf.c (read_function_entry): Add vec_inlined parameter.
146 2015-06-11 Martin Sebor <msebor@redhat.com>
149 * dwarf.c (struct line): Add new field idx.
150 (line_compare): Use it.
152 (read_line_info): Reset it.
154 2015-05-29 Tristan Gingold <gingold@adacore.com>
156 * pecoff.c: New file.
157 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
158 * Makefile.in: Regenerate.
159 * filetype.awk: Detect pecoff.
160 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
162 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
164 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
165 * configure: Regenerate.
166 * pecoff.c: New file.
168 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
170 * Makefile.in: Regenerated with automake-1.11.6.
171 * aclocal.m4: Likewise.
172 * configure: Likewise.
174 2015-01-24 Matthias Klose <doko@ubuntu.com>
176 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
177 * configure: Regenerate.
179 2015-01-05 Jakub Jelinek <jakub@redhat.com>
181 Update copyright years.
183 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
186 * configure: Regenerated.
188 2014-11-11 David Malcolm <dmalcolm@redhat.com>
190 * ChangeLog.jit: New.
192 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
195 * configure: Regenerate.
197 2014-10-23 Ian Lance Taylor <iant@google.com>
199 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
200 Fix to return void *.
202 2014-05-08 Ian Lance Taylor <iant@google.com>
204 * mmap.c (backtrace_free): If freeing a large aligned block of
205 memory, call munmap rather than holding onto it.
206 (backtrace_vector_grow): When growing a vector, double the number
207 of pages requested. When releasing the old version of a grown
208 vector, pass the correct size to backtrace_free.
210 2014-03-07 Ian Lance Taylor <iant@google.com>
212 * sort.c (backtrace_qsort): Use middle element as pivot.
214 2014-03-06 Ian Lance Taylor <iant@google.com>
218 * internal.h (backtrace_qsort): Declare.
219 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
220 (read_line_info, read_function_entry): Likewise.
221 (read_function_info, build_dwarf_data): Likewise.
222 * elf.c (elf_initialize_syminfo): Likewise.
223 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
224 (stest_SOURCES, stest_LDADD): Define.
225 (check_PROGRAMS): Add stest.
227 2014-02-07 Misty De Meo <misty@brew.sh>
230 * configure.ac: Use AC_LINK_IFELSE in check for
232 * configure: Regenerate.
234 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
236 Update copyright years
238 2013-12-06 Jakub Jelinek <jakub@redhat.com>
240 * elf.c (ET_DYN): Undefine and define again.
241 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
242 return early -1 without closing the descriptor.
243 (struct phdr_data): Add exe_descriptor.
244 (phdr_callback): If pd->exe_descriptor is not -1, for very first
245 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
246 otherwise backtrace_close the exe_descriptor if not -1. Adjust
248 (backtrace_initialize): Adjust call to elf_add. If it returns
249 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
251 2013-12-05 Ian Lance Taylor <iant@google.com>
253 * alloc.c (backtrace_vector_finish): Add error_callback and data
254 parameters. Call backtrace_vector_release. Return address base.
255 * mmap.c (backtrace_vector_finish): Add error_callback and data
256 parameters. Return address base.
257 * dwarf.c (read_function_info): Get new address base from
258 backtrace_vector_finish.
259 * internal.h (backtrace_vector_finish): Update declaration.
261 2013-11-27 Ian Lance Taylor <iant@google.com>
263 * dwarf.c (find_address_ranges): New static function, broken out
264 of build_address_map.
265 (build_address_map): Call it.
266 * btest.c (check): Check for missing filename or function, rather
268 (f3): Check that enough frames were returned.
270 2013-11-19 Jakub Jelinek <jakub@redhat.com>
272 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
273 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
275 * btest.c (struct symdata): Add size field.
276 (callback_three): Add symsize argument. Copy it to the data->size
278 (f23): Set symdata.size to 0.
279 (test5): Likewise. If sizeof (int) > 1, lookup address of
280 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
283 * atomic.c: Include sys/types.h.
285 2013-11-18 Ian Lance Taylor <iant@google.com>
287 * configure.ac: Check for support of __atomic extensions.
288 * internal.h: Declare or #define atomic functions for use in
290 * atomic.c: New file.
291 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
292 (dwarf_fileline, backtrace_dwarf_add): Likewise.
293 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
294 (backtrace_initialize): Likewise.
295 * fileline.c (fileline_initialize): Likewise.
296 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
297 * configure, config.h.in, Makefile.in: Rebuild.
299 2013-11-18 Jakub Jelinek <jakub@redhat.com>
301 * elf.c (SHN_UNDEF): Define.
302 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
303 with st_shndx == SHN_UNDEF. Add base_address to address fields.
304 (elf_add): Adjust caller.
306 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
308 2013-11-16 Ian Lance Taylor <iant@google.com>
310 * backtrace.h (backtrace_create_state): Correct comment about
313 2013-11-15 Ian Lance Taylor <iant@google.com>
315 * backtrace.h (backtrace_syminfo): Update comment and parameter
316 name to take any address, not just a PC value.
317 * elf.c (STT_OBJECT): Define.
318 (elf_nosyms): Rename parameter pc to addr.
319 (elf_symbol_search): Rename local variable pc to addr.
320 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
321 (elf_syminfo): Rename parameter pc to addr.
322 * btest.c (global): New global variable.
326 2013-10-17 Ian Lance Taylor <iant@google.com>
328 * elf.c (elf_add): Don't get the wrong offsets if a debug section
331 2013-10-15 David Malcolm <dmalcolm@redhat.com>
333 * configure.ac: Add --enable-host-shared, setting up
334 pre-existing PIC_FLAG variable within Makefile.am et al.
335 * configure: Regenerate.
337 2013-09-20 Alan Modra <amodra@gmail.com>
339 * configure: Regenerate.
341 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
343 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
345 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
347 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
348 dl_iterate_phdr callbacks.
350 2013-03-25 Ian Lance Taylor <iant@google.com>
352 * alloc.c: #include <sys/types.h>.
355 2013-01-31 Ian Lance Taylor <iant@google.com>
357 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
358 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
360 2013-01-25 Jakub Jelinek <jakub@redhat.com>
363 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
364 attribute was not seen.
366 2013-01-16 Ian Lance Taylor <iant@google.com>
368 * dwarf.c (struct unit): Add filename and abs_filename fields.
369 (build_address_map): Set new fields when reading unit.
370 (dwarf_lookup_pc): If we don't find an entry in the line table,
371 just return the main file name.
373 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
375 Update copyright years.
377 2013-01-01 Ian Lance Taylor <iant@google.com>
380 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
381 $(MULTIBUILDTOP)/../../gcc/include.
382 * Makefile.in: Rebuild.
384 2013-01-01 Ian Lance Taylor <iant@google.com>
387 * mmap.c (backtrace_alloc): Don't call sync functions if not
389 (backtrace_free): Likewise.
391 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
393 * mmapio.c: Define MAP_FAILED if not defined.
395 2012-12-11 Jakub Jelinek <jakub@redhat.com>
398 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
399 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
400 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
402 * Makefile.in: Regenerated.
403 * configure: Regenerated.
405 2012-12-07 Jakub Jelinek <jakub@redhat.com>
408 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
409 * Makefile.in: Regenerated.
411 2012-11-20 Ian Lance Taylor <iant@google.com>
413 * dwarf.c (read_attribute): Always clear val.
415 2012-11-13 Ian Lance Taylor <iant@google.com>
418 * configure.ac: Only add -Werror if building a target library.
419 * configure: Rebuild.
421 2012-11-12 Ian Lance Taylor <iant@google.com>
422 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
423 Gerald Pfeifer <gerald@pfeifer.com>
425 * configure.ac: Check for getexecname.
426 * fileline.c: #include <errno.h>. Define getexecname if not
428 (fileline_initialize): Try to find the executable in a few
430 * print.c (error_callback): Only print the filename if it came
431 from the backtrace state.
432 * configure, config.h.in: Rebuild.
434 2012-10-29 Ian Lance Taylor <iant@google.com>
436 * mmap.c (backtrace_vector_release): Correct last patch: add
439 2012-10-29 Ian Lance Taylor <iant@google.com>
441 * mmap.c (backtrace_vector_release): Make sure freed block is
442 aligned on 8-byte boundary.
444 2012-10-26 Ian Lance Taylor <iant@google.com>
447 * posix.c (backtrace_open): Add does_not_exist parameter.
448 * elf.c (phdr_callback): Do not warn if shared library could not
450 * fileline.c (fileline_initialize): Update calls to
452 * internal.h (backtrace_open): Update declaration.
454 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
457 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
458 * configure: Regenerate.
460 2012-10-24 Ian Lance Taylor <iant@google.com>
463 * configure.ac: Check whether -funwind-tables option works.
464 * configure: Rebuild.
466 2012-10-11 Ian Lance Taylor <iant@google.com>
468 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
469 * configure: Rebuild.
471 2012-10-10 Ian Lance Taylor <iant@google.com>
473 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
476 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
478 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
480 2012-10-09 Ian Lance Taylor <iant@google.com>
482 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
483 (backtrace_dwarf_add): Likewise.
485 2012-10-09 Ian Lance Taylor <iant@google.com>
487 Add support for tracing through shared libraries.
488 * configure.ac: Check for link.h and dl_iterate_phdr.
489 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
490 ELF macros before #defining them.
491 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
493 (struct elf_syminfo_data): Add next field.
494 (elf_initialize_syminfo): Initialize next field.
495 (elf_add_syminfo_data): New static function.
496 (elf_add): New static function, broken out of
497 backtrace_initialize. Call backtrace_dwarf_add instead of
498 backtrace_dwarf_initialize.
499 (struct phdr_data): Define.
500 (phdr_callback): New static function.
501 (backtrace_initialize): Call elf_add.
502 * dwarf.c (struct dwarf_data): Add next and base_address fields.
503 (add_unit_addr): Add base_address parameter. Change all callers.
504 (add_unit_ranges, build_address_map): Likewise.
505 (add_line): Add ddata parameter. Change all callers.
506 (read_line_program, add_function_range): Likewise.
507 (dwarf_lookup_pc): New static function, broken out of
509 (dwarf_fileline): Call dwarf_lookup_pc.
510 (build_dwarf_data): New static function.
511 (backtrace_dwarf_add): New function.
512 (backtrace_dwarf_initialize): Remove.
513 * internal.h (backtrace_dwarf_initialize): Don't declare.
514 (backtrace_dwarf_add): Declare.
515 * configure, config.h.in: Rebuild.
517 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
519 * btest.c (f23): Avoid uninitialized variable warning.
521 2012-10-04 Ian Lance Taylor <iant@google.com>
523 * dwarf.c: If the system header files do not declare strnlen,
524 provide our own version.
526 2012-10-03 Ian Lance Taylor <iant@google.com>
528 * dwarf.c (read_uleb128): Fix overflow test.
529 (read_sleb128): Likewise.
530 (build_address_map): Don't change unit_buf.start.
532 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
535 * configure.ac (EXTRA_FLAGS): New.
536 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
537 * configure, Makefile.in: Regenerate.
539 2012-09-29 Ian Lance Taylor <iant@google.com>
542 * fileline.c (fileline_initialize): Pass errnum as -1 when
543 reporting that we could not read executable information after a
546 2012-09-27 Ian Lance Taylor <iant@google.com>
549 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
550 * Makefile.am: Add dependencies for all objects.
551 * configure, aclocal.m4, Makefile.in: Rebuild.
553 2012-09-27 Ian Lance Taylor <iant@google.com>
556 * elf.c (backtrace_initialize): Set *fileln_fn, not
559 2012-09-19 Ian Lance Taylor <iant@google.com>
561 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
563 * configure: Rebuild.
565 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
566 Ian Lance Taylor <iant@google.com>
568 * configure.ac (GCC_HEADER_STDINT): Invoke.
569 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
570 * btest.c: Don't include <stdint.h>.
572 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
574 2012-09-18 Ian Lance Taylor <iant@google.com>
577 * Makefile.am (AM_CPPFLAGS): Define.
578 (AM_CFLAGS): Remove -I options.
579 * Makefile.in: Rebuild.
581 2012-09-18 Ian Lance Taylor <iant@google.com>
583 * posix.c (O_BINARY): Define if not defined.
584 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
585 HAVE_FCNTL is defined.
586 * configure.ac: Test for the fcntl function.
587 * configure, config.h.in: Rebuild.
589 2012-09-18 Ian Lance Taylor <iant@google.com>
591 * btest.c (test1, test2, test3, test4): Add the unused attribute.
593 2012-09-18 Ian Lance Taylor <iant@google.com>
595 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
597 2012-09-18 Ian Lance Taylor <iant@google.com>
599 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
600 * mmapio.c: Don't define _GNU_SOURCE.
601 * configure, config.h.in: Rebuild.
603 2012-09-18 Ian Lance Taylor <iant@google.com>
605 * configure.ac: Check whether strnlen is declared.
606 * dwarf.c: Declare strnlen if not declared.
607 * configure, config.h.in: Rebuild.
609 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
611 * fileline.c: Include <stdlib.h>.
614 2012-09-17 Ian Lance Taylor <iant@google.com>
617 * nounwind.c (backtrace_full): Rename from backtrace. Add state
620 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
623 * nounwind.c (backtrace_simple): Add state parameter.
625 2012-09-17 Ian Lance Taylor <iant@google.com>
628 * unknown.c (unknown_fileline): Add state parameter, remove
629 fileline_data parameter, name error_callback parameter.
630 (backtrace_initialize): Add state parameter.
632 2012-09-17 Ian Lance Taylor <iant@google.com>
634 * Initial implementation.
636 Copyright (C) 2012-2017 Free Software Foundation, Inc.
638 Copying and distribution of this file, with or without modification,
639 are permitted in any medium without royalty provided the copyright
640 notice and this notice are preserved.