1 2015-09-08 Ian Lance Taylor <iant@google.com>
4 * backtrace.c: #include "internal.h".
5 (struct backtrace_data): Add can_alloc field.
6 (unwind): If can_alloc is false, don't try to get file/line
8 (backtrace_full): Set can_alloc field in bdata.
9 * alloc.c (backtrace_alloc): Don't call error_callback if it is
11 * mmap.c (backtrace_alloc): Likewise.
12 * internal.h: Update comments for backtrace_alloc and
15 2015-09-08 Ian Lance Taylor <iant@google.com>
18 * mmap.c (backtrace_alloc): Correct test for mmap failure.
20 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
22 * configure.ac: For spu-*-* targets, set have_fcntl to no.
23 * configure: Regenerate.
25 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
27 * configure.ac: Remove [disable-shared] argument to LT_INIT.
28 Remove setting PIC_FLAG when building as target library.
29 * configure: Regenerate.
31 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
33 * configure.ac: Only compile with -fPIC if the target
35 * configure: Regenerate.
37 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
39 * configure.ac: Set have_mmap to no on spu-*-* targets.
40 * configure: Regenerate.
42 2015-08-13 Ian Lance Taylor <iant@google.com>
44 * dwarf.c (read_function_entry): Add vec_inlined parameter.
47 2015-06-11 Martin Sebor <msebor@redhat.com>
50 * dwarf.c (struct line): Add new field idx.
51 (line_compare): Use it.
53 (read_line_info): Reset it.
55 2015-05-29 Tristan Gingold <gingold@adacore.com>
58 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
59 * Makefile.in: Regenerate.
60 * filetype.awk: Detect pecoff.
61 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
63 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
65 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
66 * configure: Regenerate.
69 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
71 * Makefile.in: Regenerated with automake-1.11.6.
72 * aclocal.m4: Likewise.
73 * configure: Likewise.
75 2015-01-24 Matthias Klose <doko@ubuntu.com>
77 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
78 * configure: Regenerate.
80 2015-01-05 Jakub Jelinek <jakub@redhat.com>
82 Update copyright years.
84 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
87 * configure: Regenerated.
89 2014-11-11 David Malcolm <dmalcolm@redhat.com>
93 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
96 * configure: Regenerate.
98 2014-10-23 Ian Lance Taylor <iant@google.com>
100 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
101 Fix to return void *.
103 2014-05-08 Ian Lance Taylor <iant@google.com>
105 * mmap.c (backtrace_free): If freeing a large aligned block of
106 memory, call munmap rather than holding onto it.
107 (backtrace_vector_grow): When growing a vector, double the number
108 of pages requested. When releasing the old version of a grown
109 vector, pass the correct size to backtrace_free.
111 2014-03-07 Ian Lance Taylor <iant@google.com>
113 * sort.c (backtrace_qsort): Use middle element as pivot.
115 2014-03-06 Ian Lance Taylor <iant@google.com>
119 * internal.h (backtrace_qsort): Declare.
120 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
121 (read_line_info, read_function_entry): Likewise.
122 (read_function_info, build_dwarf_data): Likewise.
123 * elf.c (elf_initialize_syminfo): Likewise.
124 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
125 (stest_SOURCES, stest_LDADD): Define.
126 (check_PROGRAMS): Add stest.
128 2014-02-07 Misty De Meo <misty@brew.sh>
131 * configure.ac: Use AC_LINK_IFELSE in check for
133 * configure: Regenerate.
135 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
137 Update copyright years
139 2013-12-06 Jakub Jelinek <jakub@redhat.com>
141 * elf.c (ET_DYN): Undefine and define again.
142 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
143 return early -1 without closing the descriptor.
144 (struct phdr_data): Add exe_descriptor.
145 (phdr_callback): If pd->exe_descriptor is not -1, for very first
146 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
147 otherwise backtrace_close the exe_descriptor if not -1. Adjust
149 (backtrace_initialize): Adjust call to elf_add. If it returns
150 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
152 2013-12-05 Ian Lance Taylor <iant@google.com>
154 * alloc.c (backtrace_vector_finish): Add error_callback and data
155 parameters. Call backtrace_vector_release. Return address base.
156 * mmap.c (backtrace_vector_finish): Add error_callback and data
157 parameters. Return address base.
158 * dwarf.c (read_function_info): Get new address base from
159 backtrace_vector_finish.
160 * internal.h (backtrace_vector_finish): Update declaration.
162 2013-11-27 Ian Lance Taylor <iant@google.com>
164 * dwarf.c (find_address_ranges): New static function, broken out
165 of build_address_map.
166 (build_address_map): Call it.
167 * btest.c (check): Check for missing filename or function, rather
169 (f3): Check that enough frames were returned.
171 2013-11-19 Jakub Jelinek <jakub@redhat.com>
173 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
174 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
176 * btest.c (struct symdata): Add size field.
177 (callback_three): Add symsize argument. Copy it to the data->size
179 (f23): Set symdata.size to 0.
180 (test5): Likewise. If sizeof (int) > 1, lookup address of
181 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
184 * atomic.c: Include sys/types.h.
186 2013-11-18 Ian Lance Taylor <iant@google.com>
188 * configure.ac: Check for support of __atomic extensions.
189 * internal.h: Declare or #define atomic functions for use in
191 * atomic.c: New file.
192 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
193 (dwarf_fileline, backtrace_dwarf_add): Likewise.
194 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
195 (backtrace_initialize): Likewise.
196 * fileline.c (fileline_initialize): Likewise.
197 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
198 * configure, config.h.in, Makefile.in: Rebuild.
200 2013-11-18 Jakub Jelinek <jakub@redhat.com>
202 * elf.c (SHN_UNDEF): Define.
203 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
204 with st_shndx == SHN_UNDEF. Add base_address to address fields.
205 (elf_add): Adjust caller.
207 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
209 2013-11-16 Ian Lance Taylor <iant@google.com>
211 * backtrace.h (backtrace_create_state): Correct comment about
214 2013-11-15 Ian Lance Taylor <iant@google.com>
216 * backtrace.h (backtrace_syminfo): Update comment and parameter
217 name to take any address, not just a PC value.
218 * elf.c (STT_OBJECT): Define.
219 (elf_nosyms): Rename parameter pc to addr.
220 (elf_symbol_search): Rename local variable pc to addr.
221 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
222 (elf_syminfo): Rename parameter pc to addr.
223 * btest.c (global): New global variable.
227 2013-10-17 Ian Lance Taylor <iant@google.com>
229 * elf.c (elf_add): Don't get the wrong offsets if a debug section
232 2013-10-15 David Malcolm <dmalcolm@redhat.com>
234 * configure.ac: Add --enable-host-shared, setting up
235 pre-existing PIC_FLAG variable within Makefile.am et al.
236 * configure: Regenerate.
238 2013-09-20 Alan Modra <amodra@gmail.com>
240 * configure: Regenerate.
242 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
244 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
246 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
248 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
249 dl_iterate_phdr callbacks.
251 2013-03-25 Ian Lance Taylor <iant@google.com>
253 * alloc.c: #include <sys/types.h>.
256 2013-01-31 Ian Lance Taylor <iant@google.com>
258 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
259 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
261 2013-01-25 Jakub Jelinek <jakub@redhat.com>
264 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
265 attribute was not seen.
267 2013-01-16 Ian Lance Taylor <iant@google.com>
269 * dwarf.c (struct unit): Add filename and abs_filename fields.
270 (build_address_map): Set new fields when reading unit.
271 (dwarf_lookup_pc): If we don't find an entry in the line table,
272 just return the main file name.
274 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
276 Update copyright years.
278 2013-01-01 Ian Lance Taylor <iant@google.com>
281 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
282 $(MULTIBUILDTOP)/../../gcc/include.
283 * Makefile.in: Rebuild.
285 2013-01-01 Ian Lance Taylor <iant@google.com>
288 * mmap.c (backtrace_alloc): Don't call sync functions if not
290 (backtrace_free): Likewise.
292 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
294 * mmapio.c: Define MAP_FAILED if not defined.
296 2012-12-11 Jakub Jelinek <jakub@redhat.com>
299 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
300 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
301 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
303 * Makefile.in: Regenerated.
304 * configure: Regenerated.
306 2012-12-07 Jakub Jelinek <jakub@redhat.com>
309 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
310 * Makefile.in: Regenerated.
312 2012-11-20 Ian Lance Taylor <iant@google.com>
314 * dwarf.c (read_attribute): Always clear val.
316 2012-11-13 Ian Lance Taylor <iant@google.com>
319 * configure.ac: Only add -Werror if building a target library.
320 * configure: Rebuild.
322 2012-11-12 Ian Lance Taylor <iant@google.com>
323 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
324 Gerald Pfeifer <gerald@pfeifer.com>
326 * configure.ac: Check for getexecname.
327 * fileline.c: #include <errno.h>. Define getexecname if not
329 (fileline_initialize): Try to find the executable in a few
331 * print.c (error_callback): Only print the filename if it came
332 from the backtrace state.
333 * configure, config.h.in: Rebuild.
335 2012-10-29 Ian Lance Taylor <iant@google.com>
337 * mmap.c (backtrace_vector_release): Correct last patch: add
340 2012-10-29 Ian Lance Taylor <iant@google.com>
342 * mmap.c (backtrace_vector_release): Make sure freed block is
343 aligned on 8-byte boundary.
345 2012-10-26 Ian Lance Taylor <iant@google.com>
348 * posix.c (backtrace_open): Add does_not_exist parameter.
349 * elf.c (phdr_callback): Do not warn if shared library could not
351 * fileline.c (fileline_initialize): Update calls to
353 * internal.h (backtrace_open): Update declaration.
355 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
358 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
359 * configure: Regenerate.
361 2012-10-24 Ian Lance Taylor <iant@google.com>
364 * configure.ac: Check whether -funwind-tables option works.
365 * configure: Rebuild.
367 2012-10-11 Ian Lance Taylor <iant@google.com>
369 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
370 * configure: Rebuild.
372 2012-10-10 Ian Lance Taylor <iant@google.com>
374 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
377 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
379 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
381 2012-10-09 Ian Lance Taylor <iant@google.com>
383 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
384 (backtrace_dwarf_add): Likewise.
386 2012-10-09 Ian Lance Taylor <iant@google.com>
388 Add support for tracing through shared libraries.
389 * configure.ac: Check for link.h and dl_iterate_phdr.
390 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
391 ELF macros before #defining them.
392 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
394 (struct elf_syminfo_data): Add next field.
395 (elf_initialize_syminfo): Initialize next field.
396 (elf_add_syminfo_data): New static function.
397 (elf_add): New static function, broken out of
398 backtrace_initialize. Call backtrace_dwarf_add instead of
399 backtrace_dwarf_initialize.
400 (struct phdr_data): Define.
401 (phdr_callback): New static function.
402 (backtrace_initialize): Call elf_add.
403 * dwarf.c (struct dwarf_data): Add next and base_address fields.
404 (add_unit_addr): Add base_address parameter. Change all callers.
405 (add_unit_ranges, build_address_map): Likewise.
406 (add_line): Add ddata parameter. Change all callers.
407 (read_line_program, add_function_range): Likewise.
408 (dwarf_lookup_pc): New static function, broken out of
410 (dwarf_fileline): Call dwarf_lookup_pc.
411 (build_dwarf_data): New static function.
412 (backtrace_dwarf_add): New function.
413 (backtrace_dwarf_initialize): Remove.
414 * internal.h (backtrace_dwarf_initialize): Don't declare.
415 (backtrace_dwarf_add): Declare.
416 * configure, config.h.in: Rebuild.
418 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
420 * btest.c (f23): Avoid uninitialized variable warning.
422 2012-10-04 Ian Lance Taylor <iant@google.com>
424 * dwarf.c: If the system header files do not declare strnlen,
425 provide our own version.
427 2012-10-03 Ian Lance Taylor <iant@google.com>
429 * dwarf.c (read_uleb128): Fix overflow test.
430 (read_sleb128): Likewise.
431 (build_address_map): Don't change unit_buf.start.
433 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
436 * configure.ac (EXTRA_FLAGS): New.
437 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
438 * configure, Makefile.in: Regenerate.
440 2012-09-29 Ian Lance Taylor <iant@google.com>
443 * fileline.c (fileline_initialize): Pass errnum as -1 when
444 reporting that we could not read executable information after a
447 2012-09-27 Ian Lance Taylor <iant@google.com>
450 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
451 * Makefile.am: Add dependencies for all objects.
452 * configure, aclocal.m4, Makefile.in: Rebuild.
454 2012-09-27 Ian Lance Taylor <iant@google.com>
457 * elf.c (backtrace_initialize): Set *fileln_fn, not
460 2012-09-19 Ian Lance Taylor <iant@google.com>
462 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
464 * configure: Rebuild.
466 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
467 Ian Lance Taylor <iant@google.com>
469 * configure.ac (GCC_HEADER_STDINT): Invoke.
470 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
471 * btest.c: Don't include <stdint.h>.
473 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
475 2012-09-18 Ian Lance Taylor <iant@google.com>
478 * Makefile.am (AM_CPPFLAGS): Define.
479 (AM_CFLAGS): Remove -I options.
480 * Makefile.in: Rebuild.
482 2012-09-18 Ian Lance Taylor <iant@google.com>
484 * posix.c (O_BINARY): Define if not defined.
485 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
486 HAVE_FCNTL is defined.
487 * configure.ac: Test for the fcntl function.
488 * configure, config.h.in: Rebuild.
490 2012-09-18 Ian Lance Taylor <iant@google.com>
492 * btest.c (test1, test2, test3, test4): Add the unused attribute.
494 2012-09-18 Ian Lance Taylor <iant@google.com>
496 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
498 2012-09-18 Ian Lance Taylor <iant@google.com>
500 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
501 * mmapio.c: Don't define _GNU_SOURCE.
502 * configure, config.h.in: Rebuild.
504 2012-09-18 Ian Lance Taylor <iant@google.com>
506 * configure.ac: Check whether strnlen is declared.
507 * dwarf.c: Declare strnlen if not declared.
508 * configure, config.h.in: Rebuild.
510 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
512 * fileline.c: Include <stdlib.h>.
515 2012-09-17 Ian Lance Taylor <iant@google.com>
518 * nounwind.c (backtrace_full): Rename from backtrace. Add state
521 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
524 * nounwind.c (backtrace_simple): Add state parameter.
526 2012-09-17 Ian Lance Taylor <iant@google.com>
529 * unknown.c (unknown_fileline): Add state parameter, remove
530 fileline_data parameter, name error_callback parameter.
531 (backtrace_initialize): Add state parameter.
533 2012-09-17 Ian Lance Taylor <iant@google.com>
535 * Initial implementation.