1 2015-09-17 Ian Lance Taylor <iant@google.com>
3 * posix.c (backtrace_open): Cast second argument of open() to int.
5 2015-09-11 Ian Lance Taylor <iant@google.com>
7 * Makefile.am (backtrace.lo): Depend on internal.h.
8 (sort.lo, stest.lo): Add explicit dependencies.
9 * Makefile.in: Rebuild.
11 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
13 * backtrace.c: #include <sys/types.h>.
15 2015-09-08 Ian Lance Taylor <iant@google.com>
18 * backtrace.c: #include "internal.h".
19 (struct backtrace_data): Add can_alloc field.
20 (unwind): If can_alloc is false, don't try to get file/line
22 (backtrace_full): Set can_alloc field in bdata.
23 * alloc.c (backtrace_alloc): Don't call error_callback if it is
25 * mmap.c (backtrace_alloc): Likewise.
26 * internal.h: Update comments for backtrace_alloc and
29 2015-09-08 Ian Lance Taylor <iant@google.com>
32 * mmap.c (backtrace_alloc): Correct test for mmap failure.
34 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
36 * configure.ac: For spu-*-* targets, set have_fcntl to no.
37 * configure: Regenerate.
39 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
41 * configure.ac: Remove [disable-shared] argument to LT_INIT.
42 Remove setting PIC_FLAG when building as target library.
43 * configure: Regenerate.
45 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
47 * configure.ac: Only compile with -fPIC if the target
49 * configure: Regenerate.
51 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
53 * configure.ac: Set have_mmap to no on spu-*-* targets.
54 * configure: Regenerate.
56 2015-08-13 Ian Lance Taylor <iant@google.com>
58 * dwarf.c (read_function_entry): Add vec_inlined parameter.
61 2015-06-11 Martin Sebor <msebor@redhat.com>
64 * dwarf.c (struct line): Add new field idx.
65 (line_compare): Use it.
67 (read_line_info): Reset it.
69 2015-05-29 Tristan Gingold <gingold@adacore.com>
72 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
73 * Makefile.in: Regenerate.
74 * filetype.awk: Detect pecoff.
75 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
77 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
79 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
80 * configure: Regenerate.
83 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
85 * Makefile.in: Regenerated with automake-1.11.6.
86 * aclocal.m4: Likewise.
87 * configure: Likewise.
89 2015-01-24 Matthias Klose <doko@ubuntu.com>
91 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
92 * configure: Regenerate.
94 2015-01-05 Jakub Jelinek <jakub@redhat.com>
96 Update copyright years.
98 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
101 * configure: Regenerated.
103 2014-11-11 David Malcolm <dmalcolm@redhat.com>
105 * ChangeLog.jit: New.
107 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
110 * configure: Regenerate.
112 2014-10-23 Ian Lance Taylor <iant@google.com>
114 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
115 Fix to return void *.
117 2014-05-08 Ian Lance Taylor <iant@google.com>
119 * mmap.c (backtrace_free): If freeing a large aligned block of
120 memory, call munmap rather than holding onto it.
121 (backtrace_vector_grow): When growing a vector, double the number
122 of pages requested. When releasing the old version of a grown
123 vector, pass the correct size to backtrace_free.
125 2014-03-07 Ian Lance Taylor <iant@google.com>
127 * sort.c (backtrace_qsort): Use middle element as pivot.
129 2014-03-06 Ian Lance Taylor <iant@google.com>
133 * internal.h (backtrace_qsort): Declare.
134 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
135 (read_line_info, read_function_entry): Likewise.
136 (read_function_info, build_dwarf_data): Likewise.
137 * elf.c (elf_initialize_syminfo): Likewise.
138 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
139 (stest_SOURCES, stest_LDADD): Define.
140 (check_PROGRAMS): Add stest.
142 2014-02-07 Misty De Meo <misty@brew.sh>
145 * configure.ac: Use AC_LINK_IFELSE in check for
147 * configure: Regenerate.
149 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
151 Update copyright years
153 2013-12-06 Jakub Jelinek <jakub@redhat.com>
155 * elf.c (ET_DYN): Undefine and define again.
156 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
157 return early -1 without closing the descriptor.
158 (struct phdr_data): Add exe_descriptor.
159 (phdr_callback): If pd->exe_descriptor is not -1, for very first
160 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
161 otherwise backtrace_close the exe_descriptor if not -1. Adjust
163 (backtrace_initialize): Adjust call to elf_add. If it returns
164 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
166 2013-12-05 Ian Lance Taylor <iant@google.com>
168 * alloc.c (backtrace_vector_finish): Add error_callback and data
169 parameters. Call backtrace_vector_release. Return address base.
170 * mmap.c (backtrace_vector_finish): Add error_callback and data
171 parameters. Return address base.
172 * dwarf.c (read_function_info): Get new address base from
173 backtrace_vector_finish.
174 * internal.h (backtrace_vector_finish): Update declaration.
176 2013-11-27 Ian Lance Taylor <iant@google.com>
178 * dwarf.c (find_address_ranges): New static function, broken out
179 of build_address_map.
180 (build_address_map): Call it.
181 * btest.c (check): Check for missing filename or function, rather
183 (f3): Check that enough frames were returned.
185 2013-11-19 Jakub Jelinek <jakub@redhat.com>
187 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
188 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
190 * btest.c (struct symdata): Add size field.
191 (callback_three): Add symsize argument. Copy it to the data->size
193 (f23): Set symdata.size to 0.
194 (test5): Likewise. If sizeof (int) > 1, lookup address of
195 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
198 * atomic.c: Include sys/types.h.
200 2013-11-18 Ian Lance Taylor <iant@google.com>
202 * configure.ac: Check for support of __atomic extensions.
203 * internal.h: Declare or #define atomic functions for use in
205 * atomic.c: New file.
206 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
207 (dwarf_fileline, backtrace_dwarf_add): Likewise.
208 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
209 (backtrace_initialize): Likewise.
210 * fileline.c (fileline_initialize): Likewise.
211 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
212 * configure, config.h.in, Makefile.in: Rebuild.
214 2013-11-18 Jakub Jelinek <jakub@redhat.com>
216 * elf.c (SHN_UNDEF): Define.
217 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
218 with st_shndx == SHN_UNDEF. Add base_address to address fields.
219 (elf_add): Adjust caller.
221 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
223 2013-11-16 Ian Lance Taylor <iant@google.com>
225 * backtrace.h (backtrace_create_state): Correct comment about
228 2013-11-15 Ian Lance Taylor <iant@google.com>
230 * backtrace.h (backtrace_syminfo): Update comment and parameter
231 name to take any address, not just a PC value.
232 * elf.c (STT_OBJECT): Define.
233 (elf_nosyms): Rename parameter pc to addr.
234 (elf_symbol_search): Rename local variable pc to addr.
235 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
236 (elf_syminfo): Rename parameter pc to addr.
237 * btest.c (global): New global variable.
241 2013-10-17 Ian Lance Taylor <iant@google.com>
243 * elf.c (elf_add): Don't get the wrong offsets if a debug section
246 2013-10-15 David Malcolm <dmalcolm@redhat.com>
248 * configure.ac: Add --enable-host-shared, setting up
249 pre-existing PIC_FLAG variable within Makefile.am et al.
250 * configure: Regenerate.
252 2013-09-20 Alan Modra <amodra@gmail.com>
254 * configure: Regenerate.
256 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
258 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
260 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
262 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
263 dl_iterate_phdr callbacks.
265 2013-03-25 Ian Lance Taylor <iant@google.com>
267 * alloc.c: #include <sys/types.h>.
270 2013-01-31 Ian Lance Taylor <iant@google.com>
272 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
273 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
275 2013-01-25 Jakub Jelinek <jakub@redhat.com>
278 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
279 attribute was not seen.
281 2013-01-16 Ian Lance Taylor <iant@google.com>
283 * dwarf.c (struct unit): Add filename and abs_filename fields.
284 (build_address_map): Set new fields when reading unit.
285 (dwarf_lookup_pc): If we don't find an entry in the line table,
286 just return the main file name.
288 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
290 Update copyright years.
292 2013-01-01 Ian Lance Taylor <iant@google.com>
295 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
296 $(MULTIBUILDTOP)/../../gcc/include.
297 * Makefile.in: Rebuild.
299 2013-01-01 Ian Lance Taylor <iant@google.com>
302 * mmap.c (backtrace_alloc): Don't call sync functions if not
304 (backtrace_free): Likewise.
306 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
308 * mmapio.c: Define MAP_FAILED if not defined.
310 2012-12-11 Jakub Jelinek <jakub@redhat.com>
313 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
314 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
315 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
317 * Makefile.in: Regenerated.
318 * configure: Regenerated.
320 2012-12-07 Jakub Jelinek <jakub@redhat.com>
323 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
324 * Makefile.in: Regenerated.
326 2012-11-20 Ian Lance Taylor <iant@google.com>
328 * dwarf.c (read_attribute): Always clear val.
330 2012-11-13 Ian Lance Taylor <iant@google.com>
333 * configure.ac: Only add -Werror if building a target library.
334 * configure: Rebuild.
336 2012-11-12 Ian Lance Taylor <iant@google.com>
337 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
338 Gerald Pfeifer <gerald@pfeifer.com>
340 * configure.ac: Check for getexecname.
341 * fileline.c: #include <errno.h>. Define getexecname if not
343 (fileline_initialize): Try to find the executable in a few
345 * print.c (error_callback): Only print the filename if it came
346 from the backtrace state.
347 * configure, config.h.in: Rebuild.
349 2012-10-29 Ian Lance Taylor <iant@google.com>
351 * mmap.c (backtrace_vector_release): Correct last patch: add
354 2012-10-29 Ian Lance Taylor <iant@google.com>
356 * mmap.c (backtrace_vector_release): Make sure freed block is
357 aligned on 8-byte boundary.
359 2012-10-26 Ian Lance Taylor <iant@google.com>
362 * posix.c (backtrace_open): Add does_not_exist parameter.
363 * elf.c (phdr_callback): Do not warn if shared library could not
365 * fileline.c (fileline_initialize): Update calls to
367 * internal.h (backtrace_open): Update declaration.
369 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
372 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
373 * configure: Regenerate.
375 2012-10-24 Ian Lance Taylor <iant@google.com>
378 * configure.ac: Check whether -funwind-tables option works.
379 * configure: Rebuild.
381 2012-10-11 Ian Lance Taylor <iant@google.com>
383 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
384 * configure: Rebuild.
386 2012-10-10 Ian Lance Taylor <iant@google.com>
388 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
391 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
393 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
395 2012-10-09 Ian Lance Taylor <iant@google.com>
397 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
398 (backtrace_dwarf_add): Likewise.
400 2012-10-09 Ian Lance Taylor <iant@google.com>
402 Add support for tracing through shared libraries.
403 * configure.ac: Check for link.h and dl_iterate_phdr.
404 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
405 ELF macros before #defining them.
406 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
408 (struct elf_syminfo_data): Add next field.
409 (elf_initialize_syminfo): Initialize next field.
410 (elf_add_syminfo_data): New static function.
411 (elf_add): New static function, broken out of
412 backtrace_initialize. Call backtrace_dwarf_add instead of
413 backtrace_dwarf_initialize.
414 (struct phdr_data): Define.
415 (phdr_callback): New static function.
416 (backtrace_initialize): Call elf_add.
417 * dwarf.c (struct dwarf_data): Add next and base_address fields.
418 (add_unit_addr): Add base_address parameter. Change all callers.
419 (add_unit_ranges, build_address_map): Likewise.
420 (add_line): Add ddata parameter. Change all callers.
421 (read_line_program, add_function_range): Likewise.
422 (dwarf_lookup_pc): New static function, broken out of
424 (dwarf_fileline): Call dwarf_lookup_pc.
425 (build_dwarf_data): New static function.
426 (backtrace_dwarf_add): New function.
427 (backtrace_dwarf_initialize): Remove.
428 * internal.h (backtrace_dwarf_initialize): Don't declare.
429 (backtrace_dwarf_add): Declare.
430 * configure, config.h.in: Rebuild.
432 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
434 * btest.c (f23): Avoid uninitialized variable warning.
436 2012-10-04 Ian Lance Taylor <iant@google.com>
438 * dwarf.c: If the system header files do not declare strnlen,
439 provide our own version.
441 2012-10-03 Ian Lance Taylor <iant@google.com>
443 * dwarf.c (read_uleb128): Fix overflow test.
444 (read_sleb128): Likewise.
445 (build_address_map): Don't change unit_buf.start.
447 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
450 * configure.ac (EXTRA_FLAGS): New.
451 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
452 * configure, Makefile.in: Regenerate.
454 2012-09-29 Ian Lance Taylor <iant@google.com>
457 * fileline.c (fileline_initialize): Pass errnum as -1 when
458 reporting that we could not read executable information after a
461 2012-09-27 Ian Lance Taylor <iant@google.com>
464 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
465 * Makefile.am: Add dependencies for all objects.
466 * configure, aclocal.m4, Makefile.in: Rebuild.
468 2012-09-27 Ian Lance Taylor <iant@google.com>
471 * elf.c (backtrace_initialize): Set *fileln_fn, not
474 2012-09-19 Ian Lance Taylor <iant@google.com>
476 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
478 * configure: Rebuild.
480 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
481 Ian Lance Taylor <iant@google.com>
483 * configure.ac (GCC_HEADER_STDINT): Invoke.
484 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
485 * btest.c: Don't include <stdint.h>.
487 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
489 2012-09-18 Ian Lance Taylor <iant@google.com>
492 * Makefile.am (AM_CPPFLAGS): Define.
493 (AM_CFLAGS): Remove -I options.
494 * Makefile.in: Rebuild.
496 2012-09-18 Ian Lance Taylor <iant@google.com>
498 * posix.c (O_BINARY): Define if not defined.
499 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
500 HAVE_FCNTL is defined.
501 * configure.ac: Test for the fcntl function.
502 * configure, config.h.in: Rebuild.
504 2012-09-18 Ian Lance Taylor <iant@google.com>
506 * btest.c (test1, test2, test3, test4): Add the unused attribute.
508 2012-09-18 Ian Lance Taylor <iant@google.com>
510 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
512 2012-09-18 Ian Lance Taylor <iant@google.com>
514 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
515 * mmapio.c: Don't define _GNU_SOURCE.
516 * configure, config.h.in: Rebuild.
518 2012-09-18 Ian Lance Taylor <iant@google.com>
520 * configure.ac: Check whether strnlen is declared.
521 * dwarf.c: Declare strnlen if not declared.
522 * configure, config.h.in: Rebuild.
524 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
526 * fileline.c: Include <stdlib.h>.
529 2012-09-17 Ian Lance Taylor <iant@google.com>
532 * nounwind.c (backtrace_full): Rename from backtrace. Add state
535 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
538 * nounwind.c (backtrace_simple): Add state parameter.
540 2012-09-17 Ian Lance Taylor <iant@google.com>
543 * unknown.c (unknown_fileline): Add state parameter, remove
544 fileline_data parameter, name error_callback parameter.
545 (backtrace_initialize): Add state parameter.
547 2012-09-17 Ian Lance Taylor <iant@google.com>
549 * Initial implementation.