1 2018-01-25 Release Manager
5 2017-10-10 Paolo Carlini <paolo.carlini@oracle.com>
7 * elf.c: Fix typo in the last commit, SFH_COMPRESSED vs SHF_COMPRESSED.
9 2017-10-10 Ian Lance Taylor <iant@golang.org>
12 * elf.c (SHF_COMPRESSED): Define.
13 (elf_add): Ignore debug sections with SHF_COMPRESSED set.
15 2017-08-14 Release Manager
19 2017-05-02 Release Manager
23 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
25 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
26 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
28 2017-01-01 Jakub Jelinek <jakub@redhat.com>
30 Update copyright years.
32 2016-11-15 Matthias Klose <doko@ubuntu.com>
34 * configure: Regenerate.
36 2016-09-11 Carlos Liam <carlos@aarzee.me>
38 * all: Remove meaningless trailing whitespace.
40 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
43 * elf.c (phdr_callback) [__i386__]: Add
44 __attribute__((__force_align_arg_pointer__)).
46 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
48 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
50 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
51 missing debug info anymore.
53 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
55 * mmap.c (MAP_FAILED): Define if not defined.
57 2016-01-04 Jakub Jelinek <jakub@redhat.com>
59 Update copyright years.
61 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
63 * configure.ac: Specify that DJGPP do not have mmap
64 even when sys/mman.h exists.
65 * configure: Regenerate
67 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
70 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
71 * configure: Regenerate.
72 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
75 2015-09-17 Ian Lance Taylor <iant@google.com>
77 * posix.c (backtrace_open): Cast second argument of open() to int.
79 2015-09-11 Ian Lance Taylor <iant@google.com>
81 * Makefile.am (backtrace.lo): Depend on internal.h.
82 (sort.lo, stest.lo): Add explicit dependencies.
83 * Makefile.in: Rebuild.
85 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
87 * backtrace.c: #include <sys/types.h>.
89 2015-09-08 Ian Lance Taylor <iant@google.com>
92 * backtrace.c: #include "internal.h".
93 (struct backtrace_data): Add can_alloc field.
94 (unwind): If can_alloc is false, don't try to get file/line
96 (backtrace_full): Set can_alloc field in bdata.
97 * alloc.c (backtrace_alloc): Don't call error_callback if it is
99 * mmap.c (backtrace_alloc): Likewise.
100 * internal.h: Update comments for backtrace_alloc and
103 2015-09-08 Ian Lance Taylor <iant@google.com>
106 * mmap.c (backtrace_alloc): Correct test for mmap failure.
108 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
110 * configure.ac: For spu-*-* targets, set have_fcntl to no.
111 * configure: Regenerate.
113 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
115 * configure.ac: Remove [disable-shared] argument to LT_INIT.
116 Remove setting PIC_FLAG when building as target library.
117 * configure: Regenerate.
119 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
121 * configure.ac: Only compile with -fPIC if the target
123 * configure: Regenerate.
125 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
127 * configure.ac: Set have_mmap to no on spu-*-* targets.
128 * configure: Regenerate.
130 2015-08-13 Ian Lance Taylor <iant@google.com>
132 * dwarf.c (read_function_entry): Add vec_inlined parameter.
135 2015-06-11 Martin Sebor <msebor@redhat.com>
138 * dwarf.c (struct line): Add new field idx.
139 (line_compare): Use it.
141 (read_line_info): Reset it.
143 2015-05-29 Tristan Gingold <gingold@adacore.com>
145 * pecoff.c: New file.
146 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
147 * Makefile.in: Regenerate.
148 * filetype.awk: Detect pecoff.
149 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
151 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
153 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
154 * configure: Regenerate.
155 * pecoff.c: New file.
157 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
159 * Makefile.in: Regenerated with automake-1.11.6.
160 * aclocal.m4: Likewise.
161 * configure: Likewise.
163 2015-01-24 Matthias Klose <doko@ubuntu.com>
165 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
166 * configure: Regenerate.
168 2015-01-05 Jakub Jelinek <jakub@redhat.com>
170 Update copyright years.
172 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
175 * configure: Regenerated.
177 2014-11-11 David Malcolm <dmalcolm@redhat.com>
179 * ChangeLog.jit: New.
181 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
184 * configure: Regenerate.
186 2014-10-23 Ian Lance Taylor <iant@google.com>
188 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
189 Fix to return void *.
191 2014-05-08 Ian Lance Taylor <iant@google.com>
193 * mmap.c (backtrace_free): If freeing a large aligned block of
194 memory, call munmap rather than holding onto it.
195 (backtrace_vector_grow): When growing a vector, double the number
196 of pages requested. When releasing the old version of a grown
197 vector, pass the correct size to backtrace_free.
199 2014-03-07 Ian Lance Taylor <iant@google.com>
201 * sort.c (backtrace_qsort): Use middle element as pivot.
203 2014-03-06 Ian Lance Taylor <iant@google.com>
207 * internal.h (backtrace_qsort): Declare.
208 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
209 (read_line_info, read_function_entry): Likewise.
210 (read_function_info, build_dwarf_data): Likewise.
211 * elf.c (elf_initialize_syminfo): Likewise.
212 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
213 (stest_SOURCES, stest_LDADD): Define.
214 (check_PROGRAMS): Add stest.
216 2014-02-07 Misty De Meo <misty@brew.sh>
219 * configure.ac: Use AC_LINK_IFELSE in check for
221 * configure: Regenerate.
223 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
225 Update copyright years
227 2013-12-06 Jakub Jelinek <jakub@redhat.com>
229 * elf.c (ET_DYN): Undefine and define again.
230 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
231 return early -1 without closing the descriptor.
232 (struct phdr_data): Add exe_descriptor.
233 (phdr_callback): If pd->exe_descriptor is not -1, for very first
234 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
235 otherwise backtrace_close the exe_descriptor if not -1. Adjust
237 (backtrace_initialize): Adjust call to elf_add. If it returns
238 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
240 2013-12-05 Ian Lance Taylor <iant@google.com>
242 * alloc.c (backtrace_vector_finish): Add error_callback and data
243 parameters. Call backtrace_vector_release. Return address base.
244 * mmap.c (backtrace_vector_finish): Add error_callback and data
245 parameters. Return address base.
246 * dwarf.c (read_function_info): Get new address base from
247 backtrace_vector_finish.
248 * internal.h (backtrace_vector_finish): Update declaration.
250 2013-11-27 Ian Lance Taylor <iant@google.com>
252 * dwarf.c (find_address_ranges): New static function, broken out
253 of build_address_map.
254 (build_address_map): Call it.
255 * btest.c (check): Check for missing filename or function, rather
257 (f3): Check that enough frames were returned.
259 2013-11-19 Jakub Jelinek <jakub@redhat.com>
261 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
262 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
264 * btest.c (struct symdata): Add size field.
265 (callback_three): Add symsize argument. Copy it to the data->size
267 (f23): Set symdata.size to 0.
268 (test5): Likewise. If sizeof (int) > 1, lookup address of
269 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
272 * atomic.c: Include sys/types.h.
274 2013-11-18 Ian Lance Taylor <iant@google.com>
276 * configure.ac: Check for support of __atomic extensions.
277 * internal.h: Declare or #define atomic functions for use in
279 * atomic.c: New file.
280 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
281 (dwarf_fileline, backtrace_dwarf_add): Likewise.
282 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
283 (backtrace_initialize): Likewise.
284 * fileline.c (fileline_initialize): Likewise.
285 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
286 * configure, config.h.in, Makefile.in: Rebuild.
288 2013-11-18 Jakub Jelinek <jakub@redhat.com>
290 * elf.c (SHN_UNDEF): Define.
291 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
292 with st_shndx == SHN_UNDEF. Add base_address to address fields.
293 (elf_add): Adjust caller.
295 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
297 2013-11-16 Ian Lance Taylor <iant@google.com>
299 * backtrace.h (backtrace_create_state): Correct comment about
302 2013-11-15 Ian Lance Taylor <iant@google.com>
304 * backtrace.h (backtrace_syminfo): Update comment and parameter
305 name to take any address, not just a PC value.
306 * elf.c (STT_OBJECT): Define.
307 (elf_nosyms): Rename parameter pc to addr.
308 (elf_symbol_search): Rename local variable pc to addr.
309 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
310 (elf_syminfo): Rename parameter pc to addr.
311 * btest.c (global): New global variable.
315 2013-10-17 Ian Lance Taylor <iant@google.com>
317 * elf.c (elf_add): Don't get the wrong offsets if a debug section
320 2013-10-15 David Malcolm <dmalcolm@redhat.com>
322 * configure.ac: Add --enable-host-shared, setting up
323 pre-existing PIC_FLAG variable within Makefile.am et al.
324 * configure: Regenerate.
326 2013-09-20 Alan Modra <amodra@gmail.com>
328 * configure: Regenerate.
330 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
332 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
334 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
336 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
337 dl_iterate_phdr callbacks.
339 2013-03-25 Ian Lance Taylor <iant@google.com>
341 * alloc.c: #include <sys/types.h>.
344 2013-01-31 Ian Lance Taylor <iant@google.com>
346 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
347 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
349 2013-01-25 Jakub Jelinek <jakub@redhat.com>
352 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
353 attribute was not seen.
355 2013-01-16 Ian Lance Taylor <iant@google.com>
357 * dwarf.c (struct unit): Add filename and abs_filename fields.
358 (build_address_map): Set new fields when reading unit.
359 (dwarf_lookup_pc): If we don't find an entry in the line table,
360 just return the main file name.
362 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
364 Update copyright years.
366 2013-01-01 Ian Lance Taylor <iant@google.com>
369 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
370 $(MULTIBUILDTOP)/../../gcc/include.
371 * Makefile.in: Rebuild.
373 2013-01-01 Ian Lance Taylor <iant@google.com>
376 * mmap.c (backtrace_alloc): Don't call sync functions if not
378 (backtrace_free): Likewise.
380 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
382 * mmapio.c: Define MAP_FAILED if not defined.
384 2012-12-11 Jakub Jelinek <jakub@redhat.com>
387 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
388 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
389 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
391 * Makefile.in: Regenerated.
392 * configure: Regenerated.
394 2012-12-07 Jakub Jelinek <jakub@redhat.com>
397 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
398 * Makefile.in: Regenerated.
400 2012-11-20 Ian Lance Taylor <iant@google.com>
402 * dwarf.c (read_attribute): Always clear val.
404 2012-11-13 Ian Lance Taylor <iant@google.com>
407 * configure.ac: Only add -Werror if building a target library.
408 * configure: Rebuild.
410 2012-11-12 Ian Lance Taylor <iant@google.com>
411 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
412 Gerald Pfeifer <gerald@pfeifer.com>
414 * configure.ac: Check for getexecname.
415 * fileline.c: #include <errno.h>. Define getexecname if not
417 (fileline_initialize): Try to find the executable in a few
419 * print.c (error_callback): Only print the filename if it came
420 from the backtrace state.
421 * configure, config.h.in: Rebuild.
423 2012-10-29 Ian Lance Taylor <iant@google.com>
425 * mmap.c (backtrace_vector_release): Correct last patch: add
428 2012-10-29 Ian Lance Taylor <iant@google.com>
430 * mmap.c (backtrace_vector_release): Make sure freed block is
431 aligned on 8-byte boundary.
433 2012-10-26 Ian Lance Taylor <iant@google.com>
436 * posix.c (backtrace_open): Add does_not_exist parameter.
437 * elf.c (phdr_callback): Do not warn if shared library could not
439 * fileline.c (fileline_initialize): Update calls to
441 * internal.h (backtrace_open): Update declaration.
443 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
446 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
447 * configure: Regenerate.
449 2012-10-24 Ian Lance Taylor <iant@google.com>
452 * configure.ac: Check whether -funwind-tables option works.
453 * configure: Rebuild.
455 2012-10-11 Ian Lance Taylor <iant@google.com>
457 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
458 * configure: Rebuild.
460 2012-10-10 Ian Lance Taylor <iant@google.com>
462 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
465 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
467 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
469 2012-10-09 Ian Lance Taylor <iant@google.com>
471 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
472 (backtrace_dwarf_add): Likewise.
474 2012-10-09 Ian Lance Taylor <iant@google.com>
476 Add support for tracing through shared libraries.
477 * configure.ac: Check for link.h and dl_iterate_phdr.
478 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
479 ELF macros before #defining them.
480 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
482 (struct elf_syminfo_data): Add next field.
483 (elf_initialize_syminfo): Initialize next field.
484 (elf_add_syminfo_data): New static function.
485 (elf_add): New static function, broken out of
486 backtrace_initialize. Call backtrace_dwarf_add instead of
487 backtrace_dwarf_initialize.
488 (struct phdr_data): Define.
489 (phdr_callback): New static function.
490 (backtrace_initialize): Call elf_add.
491 * dwarf.c (struct dwarf_data): Add next and base_address fields.
492 (add_unit_addr): Add base_address parameter. Change all callers.
493 (add_unit_ranges, build_address_map): Likewise.
494 (add_line): Add ddata parameter. Change all callers.
495 (read_line_program, add_function_range): Likewise.
496 (dwarf_lookup_pc): New static function, broken out of
498 (dwarf_fileline): Call dwarf_lookup_pc.
499 (build_dwarf_data): New static function.
500 (backtrace_dwarf_add): New function.
501 (backtrace_dwarf_initialize): Remove.
502 * internal.h (backtrace_dwarf_initialize): Don't declare.
503 (backtrace_dwarf_add): Declare.
504 * configure, config.h.in: Rebuild.
506 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
508 * btest.c (f23): Avoid uninitialized variable warning.
510 2012-10-04 Ian Lance Taylor <iant@google.com>
512 * dwarf.c: If the system header files do not declare strnlen,
513 provide our own version.
515 2012-10-03 Ian Lance Taylor <iant@google.com>
517 * dwarf.c (read_uleb128): Fix overflow test.
518 (read_sleb128): Likewise.
519 (build_address_map): Don't change unit_buf.start.
521 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
524 * configure.ac (EXTRA_FLAGS): New.
525 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
526 * configure, Makefile.in: Regenerate.
528 2012-09-29 Ian Lance Taylor <iant@google.com>
531 * fileline.c (fileline_initialize): Pass errnum as -1 when
532 reporting that we could not read executable information after a
535 2012-09-27 Ian Lance Taylor <iant@google.com>
538 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
539 * Makefile.am: Add dependencies for all objects.
540 * configure, aclocal.m4, Makefile.in: Rebuild.
542 2012-09-27 Ian Lance Taylor <iant@google.com>
545 * elf.c (backtrace_initialize): Set *fileln_fn, not
548 2012-09-19 Ian Lance Taylor <iant@google.com>
550 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
552 * configure: Rebuild.
554 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
555 Ian Lance Taylor <iant@google.com>
557 * configure.ac (GCC_HEADER_STDINT): Invoke.
558 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
559 * btest.c: Don't include <stdint.h>.
561 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
563 2012-09-18 Ian Lance Taylor <iant@google.com>
566 * Makefile.am (AM_CPPFLAGS): Define.
567 (AM_CFLAGS): Remove -I options.
568 * Makefile.in: Rebuild.
570 2012-09-18 Ian Lance Taylor <iant@google.com>
572 * posix.c (O_BINARY): Define if not defined.
573 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
574 HAVE_FCNTL is defined.
575 * configure.ac: Test for the fcntl function.
576 * configure, config.h.in: Rebuild.
578 2012-09-18 Ian Lance Taylor <iant@google.com>
580 * btest.c (test1, test2, test3, test4): Add the unused attribute.
582 2012-09-18 Ian Lance Taylor <iant@google.com>
584 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
586 2012-09-18 Ian Lance Taylor <iant@google.com>
588 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
589 * mmapio.c: Don't define _GNU_SOURCE.
590 * configure, config.h.in: Rebuild.
592 2012-09-18 Ian Lance Taylor <iant@google.com>
594 * configure.ac: Check whether strnlen is declared.
595 * dwarf.c: Declare strnlen if not declared.
596 * configure, config.h.in: Rebuild.
598 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
600 * fileline.c: Include <stdlib.h>.
603 2012-09-17 Ian Lance Taylor <iant@google.com>
606 * nounwind.c (backtrace_full): Rename from backtrace. Add state
609 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
612 * nounwind.c (backtrace_simple): Add state parameter.
614 2012-09-17 Ian Lance Taylor <iant@google.com>
617 * unknown.c (unknown_fileline): Add state parameter, remove
618 fileline_data parameter, name error_callback parameter.
619 (backtrace_initialize): Add state parameter.
621 2012-09-17 Ian Lance Taylor <iant@google.com>
623 * Initial implementation.
625 Copyright (C) 2012-2017 Free Software Foundation, Inc.
627 Copying and distribution of this file, with or without modification,
628 are permitted in any medium without royalty provided the copyright
629 notice and this notice are preserved.