1 2016-01-04 Jakub Jelinek <jakub@redhat.com>
3 Update copyright years.
5 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
7 * configure.ac: Specify that DJGPP do not have mmap even when sys/mman.h exists
8 * configure: Regenerate
10 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
13 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
14 * configure: Regenerate.
15 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
18 2015-09-17 Ian Lance Taylor <iant@google.com>
20 * posix.c (backtrace_open): Cast second argument of open() to int.
22 2015-09-11 Ian Lance Taylor <iant@google.com>
24 * Makefile.am (backtrace.lo): Depend on internal.h.
25 (sort.lo, stest.lo): Add explicit dependencies.
26 * Makefile.in: Rebuild.
28 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
30 * backtrace.c: #include <sys/types.h>.
32 2015-09-08 Ian Lance Taylor <iant@google.com>
35 * backtrace.c: #include "internal.h".
36 (struct backtrace_data): Add can_alloc field.
37 (unwind): If can_alloc is false, don't try to get file/line
39 (backtrace_full): Set can_alloc field in bdata.
40 * alloc.c (backtrace_alloc): Don't call error_callback if it is
42 * mmap.c (backtrace_alloc): Likewise.
43 * internal.h: Update comments for backtrace_alloc and
46 2015-09-08 Ian Lance Taylor <iant@google.com>
49 * mmap.c (backtrace_alloc): Correct test for mmap failure.
51 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
53 * configure.ac: For spu-*-* targets, set have_fcntl to no.
54 * configure: Regenerate.
56 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
58 * configure.ac: Remove [disable-shared] argument to LT_INIT.
59 Remove setting PIC_FLAG when building as target library.
60 * configure: Regenerate.
62 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
64 * configure.ac: Only compile with -fPIC if the target
66 * configure: Regenerate.
68 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
70 * configure.ac: Set have_mmap to no on spu-*-* targets.
71 * configure: Regenerate.
73 2015-08-13 Ian Lance Taylor <iant@google.com>
75 * dwarf.c (read_function_entry): Add vec_inlined parameter.
78 2015-06-11 Martin Sebor <msebor@redhat.com>
81 * dwarf.c (struct line): Add new field idx.
82 (line_compare): Use it.
84 (read_line_info): Reset it.
86 2015-05-29 Tristan Gingold <gingold@adacore.com>
89 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
90 * Makefile.in: Regenerate.
91 * filetype.awk: Detect pecoff.
92 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
94 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
96 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
97 * configure: Regenerate.
100 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
102 * Makefile.in: Regenerated with automake-1.11.6.
103 * aclocal.m4: Likewise.
104 * configure: Likewise.
106 2015-01-24 Matthias Klose <doko@ubuntu.com>
108 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
109 * configure: Regenerate.
111 2015-01-05 Jakub Jelinek <jakub@redhat.com>
113 Update copyright years.
115 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
118 * configure: Regenerated.
120 2014-11-11 David Malcolm <dmalcolm@redhat.com>
122 * ChangeLog.jit: New.
124 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
127 * configure: Regenerate.
129 2014-10-23 Ian Lance Taylor <iant@google.com>
131 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
132 Fix to return void *.
134 2014-05-08 Ian Lance Taylor <iant@google.com>
136 * mmap.c (backtrace_free): If freeing a large aligned block of
137 memory, call munmap rather than holding onto it.
138 (backtrace_vector_grow): When growing a vector, double the number
139 of pages requested. When releasing the old version of a grown
140 vector, pass the correct size to backtrace_free.
142 2014-03-07 Ian Lance Taylor <iant@google.com>
144 * sort.c (backtrace_qsort): Use middle element as pivot.
146 2014-03-06 Ian Lance Taylor <iant@google.com>
150 * internal.h (backtrace_qsort): Declare.
151 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
152 (read_line_info, read_function_entry): Likewise.
153 (read_function_info, build_dwarf_data): Likewise.
154 * elf.c (elf_initialize_syminfo): Likewise.
155 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
156 (stest_SOURCES, stest_LDADD): Define.
157 (check_PROGRAMS): Add stest.
159 2014-02-07 Misty De Meo <misty@brew.sh>
162 * configure.ac: Use AC_LINK_IFELSE in check for
164 * configure: Regenerate.
166 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
168 Update copyright years
170 2013-12-06 Jakub Jelinek <jakub@redhat.com>
172 * elf.c (ET_DYN): Undefine and define again.
173 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
174 return early -1 without closing the descriptor.
175 (struct phdr_data): Add exe_descriptor.
176 (phdr_callback): If pd->exe_descriptor is not -1, for very first
177 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
178 otherwise backtrace_close the exe_descriptor if not -1. Adjust
180 (backtrace_initialize): Adjust call to elf_add. If it returns
181 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
183 2013-12-05 Ian Lance Taylor <iant@google.com>
185 * alloc.c (backtrace_vector_finish): Add error_callback and data
186 parameters. Call backtrace_vector_release. Return address base.
187 * mmap.c (backtrace_vector_finish): Add error_callback and data
188 parameters. Return address base.
189 * dwarf.c (read_function_info): Get new address base from
190 backtrace_vector_finish.
191 * internal.h (backtrace_vector_finish): Update declaration.
193 2013-11-27 Ian Lance Taylor <iant@google.com>
195 * dwarf.c (find_address_ranges): New static function, broken out
196 of build_address_map.
197 (build_address_map): Call it.
198 * btest.c (check): Check for missing filename or function, rather
200 (f3): Check that enough frames were returned.
202 2013-11-19 Jakub Jelinek <jakub@redhat.com>
204 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
205 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
207 * btest.c (struct symdata): Add size field.
208 (callback_three): Add symsize argument. Copy it to the data->size
210 (f23): Set symdata.size to 0.
211 (test5): Likewise. If sizeof (int) > 1, lookup address of
212 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
215 * atomic.c: Include sys/types.h.
217 2013-11-18 Ian Lance Taylor <iant@google.com>
219 * configure.ac: Check for support of __atomic extensions.
220 * internal.h: Declare or #define atomic functions for use in
222 * atomic.c: New file.
223 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
224 (dwarf_fileline, backtrace_dwarf_add): Likewise.
225 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
226 (backtrace_initialize): Likewise.
227 * fileline.c (fileline_initialize): Likewise.
228 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
229 * configure, config.h.in, Makefile.in: Rebuild.
231 2013-11-18 Jakub Jelinek <jakub@redhat.com>
233 * elf.c (SHN_UNDEF): Define.
234 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
235 with st_shndx == SHN_UNDEF. Add base_address to address fields.
236 (elf_add): Adjust caller.
238 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
240 2013-11-16 Ian Lance Taylor <iant@google.com>
242 * backtrace.h (backtrace_create_state): Correct comment about
245 2013-11-15 Ian Lance Taylor <iant@google.com>
247 * backtrace.h (backtrace_syminfo): Update comment and parameter
248 name to take any address, not just a PC value.
249 * elf.c (STT_OBJECT): Define.
250 (elf_nosyms): Rename parameter pc to addr.
251 (elf_symbol_search): Rename local variable pc to addr.
252 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
253 (elf_syminfo): Rename parameter pc to addr.
254 * btest.c (global): New global variable.
258 2013-10-17 Ian Lance Taylor <iant@google.com>
260 * elf.c (elf_add): Don't get the wrong offsets if a debug section
263 2013-10-15 David Malcolm <dmalcolm@redhat.com>
265 * configure.ac: Add --enable-host-shared, setting up
266 pre-existing PIC_FLAG variable within Makefile.am et al.
267 * configure: Regenerate.
269 2013-09-20 Alan Modra <amodra@gmail.com>
271 * configure: Regenerate.
273 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
275 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
277 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
279 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
280 dl_iterate_phdr callbacks.
282 2013-03-25 Ian Lance Taylor <iant@google.com>
284 * alloc.c: #include <sys/types.h>.
287 2013-01-31 Ian Lance Taylor <iant@google.com>
289 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
290 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
292 2013-01-25 Jakub Jelinek <jakub@redhat.com>
295 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
296 attribute was not seen.
298 2013-01-16 Ian Lance Taylor <iant@google.com>
300 * dwarf.c (struct unit): Add filename and abs_filename fields.
301 (build_address_map): Set new fields when reading unit.
302 (dwarf_lookup_pc): If we don't find an entry in the line table,
303 just return the main file name.
305 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
307 Update copyright years.
309 2013-01-01 Ian Lance Taylor <iant@google.com>
312 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
313 $(MULTIBUILDTOP)/../../gcc/include.
314 * Makefile.in: Rebuild.
316 2013-01-01 Ian Lance Taylor <iant@google.com>
319 * mmap.c (backtrace_alloc): Don't call sync functions if not
321 (backtrace_free): Likewise.
323 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
325 * mmapio.c: Define MAP_FAILED if not defined.
327 2012-12-11 Jakub Jelinek <jakub@redhat.com>
330 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
331 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
332 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
334 * Makefile.in: Regenerated.
335 * configure: Regenerated.
337 2012-12-07 Jakub Jelinek <jakub@redhat.com>
340 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
341 * Makefile.in: Regenerated.
343 2012-11-20 Ian Lance Taylor <iant@google.com>
345 * dwarf.c (read_attribute): Always clear val.
347 2012-11-13 Ian Lance Taylor <iant@google.com>
350 * configure.ac: Only add -Werror if building a target library.
351 * configure: Rebuild.
353 2012-11-12 Ian Lance Taylor <iant@google.com>
354 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
355 Gerald Pfeifer <gerald@pfeifer.com>
357 * configure.ac: Check for getexecname.
358 * fileline.c: #include <errno.h>. Define getexecname if not
360 (fileline_initialize): Try to find the executable in a few
362 * print.c (error_callback): Only print the filename if it came
363 from the backtrace state.
364 * configure, config.h.in: Rebuild.
366 2012-10-29 Ian Lance Taylor <iant@google.com>
368 * mmap.c (backtrace_vector_release): Correct last patch: add
371 2012-10-29 Ian Lance Taylor <iant@google.com>
373 * mmap.c (backtrace_vector_release): Make sure freed block is
374 aligned on 8-byte boundary.
376 2012-10-26 Ian Lance Taylor <iant@google.com>
379 * posix.c (backtrace_open): Add does_not_exist parameter.
380 * elf.c (phdr_callback): Do not warn if shared library could not
382 * fileline.c (fileline_initialize): Update calls to
384 * internal.h (backtrace_open): Update declaration.
386 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
389 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
390 * configure: Regenerate.
392 2012-10-24 Ian Lance Taylor <iant@google.com>
395 * configure.ac: Check whether -funwind-tables option works.
396 * configure: Rebuild.
398 2012-10-11 Ian Lance Taylor <iant@google.com>
400 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
401 * configure: Rebuild.
403 2012-10-10 Ian Lance Taylor <iant@google.com>
405 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
408 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
410 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
412 2012-10-09 Ian Lance Taylor <iant@google.com>
414 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
415 (backtrace_dwarf_add): Likewise.
417 2012-10-09 Ian Lance Taylor <iant@google.com>
419 Add support for tracing through shared libraries.
420 * configure.ac: Check for link.h and dl_iterate_phdr.
421 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
422 ELF macros before #defining them.
423 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
425 (struct elf_syminfo_data): Add next field.
426 (elf_initialize_syminfo): Initialize next field.
427 (elf_add_syminfo_data): New static function.
428 (elf_add): New static function, broken out of
429 backtrace_initialize. Call backtrace_dwarf_add instead of
430 backtrace_dwarf_initialize.
431 (struct phdr_data): Define.
432 (phdr_callback): New static function.
433 (backtrace_initialize): Call elf_add.
434 * dwarf.c (struct dwarf_data): Add next and base_address fields.
435 (add_unit_addr): Add base_address parameter. Change all callers.
436 (add_unit_ranges, build_address_map): Likewise.
437 (add_line): Add ddata parameter. Change all callers.
438 (read_line_program, add_function_range): Likewise.
439 (dwarf_lookup_pc): New static function, broken out of
441 (dwarf_fileline): Call dwarf_lookup_pc.
442 (build_dwarf_data): New static function.
443 (backtrace_dwarf_add): New function.
444 (backtrace_dwarf_initialize): Remove.
445 * internal.h (backtrace_dwarf_initialize): Don't declare.
446 (backtrace_dwarf_add): Declare.
447 * configure, config.h.in: Rebuild.
449 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
451 * btest.c (f23): Avoid uninitialized variable warning.
453 2012-10-04 Ian Lance Taylor <iant@google.com>
455 * dwarf.c: If the system header files do not declare strnlen,
456 provide our own version.
458 2012-10-03 Ian Lance Taylor <iant@google.com>
460 * dwarf.c (read_uleb128): Fix overflow test.
461 (read_sleb128): Likewise.
462 (build_address_map): Don't change unit_buf.start.
464 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
467 * configure.ac (EXTRA_FLAGS): New.
468 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
469 * configure, Makefile.in: Regenerate.
471 2012-09-29 Ian Lance Taylor <iant@google.com>
474 * fileline.c (fileline_initialize): Pass errnum as -1 when
475 reporting that we could not read executable information after a
478 2012-09-27 Ian Lance Taylor <iant@google.com>
481 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
482 * Makefile.am: Add dependencies for all objects.
483 * configure, aclocal.m4, Makefile.in: Rebuild.
485 2012-09-27 Ian Lance Taylor <iant@google.com>
488 * elf.c (backtrace_initialize): Set *fileln_fn, not
491 2012-09-19 Ian Lance Taylor <iant@google.com>
493 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
495 * configure: Rebuild.
497 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
498 Ian Lance Taylor <iant@google.com>
500 * configure.ac (GCC_HEADER_STDINT): Invoke.
501 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
502 * btest.c: Don't include <stdint.h>.
504 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
506 2012-09-18 Ian Lance Taylor <iant@google.com>
509 * Makefile.am (AM_CPPFLAGS): Define.
510 (AM_CFLAGS): Remove -I options.
511 * Makefile.in: Rebuild.
513 2012-09-18 Ian Lance Taylor <iant@google.com>
515 * posix.c (O_BINARY): Define if not defined.
516 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
517 HAVE_FCNTL is defined.
518 * configure.ac: Test for the fcntl function.
519 * configure, config.h.in: Rebuild.
521 2012-09-18 Ian Lance Taylor <iant@google.com>
523 * btest.c (test1, test2, test3, test4): Add the unused attribute.
525 2012-09-18 Ian Lance Taylor <iant@google.com>
527 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
529 2012-09-18 Ian Lance Taylor <iant@google.com>
531 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
532 * mmapio.c: Don't define _GNU_SOURCE.
533 * configure, config.h.in: Rebuild.
535 2012-09-18 Ian Lance Taylor <iant@google.com>
537 * configure.ac: Check whether strnlen is declared.
538 * dwarf.c: Declare strnlen if not declared.
539 * configure, config.h.in: Rebuild.
541 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
543 * fileline.c: Include <stdlib.h>.
546 2012-09-17 Ian Lance Taylor <iant@google.com>
549 * nounwind.c (backtrace_full): Rename from backtrace. Add state
552 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
555 * nounwind.c (backtrace_simple): Add state parameter.
557 2012-09-17 Ian Lance Taylor <iant@google.com>
560 * unknown.c (unknown_fileline): Add state parameter, remove
561 fileline_data parameter, name error_callback parameter.
562 (backtrace_initialize): Add state parameter.
564 2012-09-17 Ian Lance Taylor <iant@google.com>
566 * Initial implementation.
568 Copyright (C) 2012-2016 Free Software Foundation, Inc.
570 Copying and distribution of this file, with or without modification,
571 are permitted in any medium without royalty provided the copyright
572 notice and this notice are preserved.