1 2015-09-11 Ian Lance Taylor <iant@google.com>
3 * Makefile.am (backtrace.lo): Depend on internal.h.
4 (sort.lo, stest.lo): Add explicit dependencies.
5 * Makefile.in: Rebuild.
7 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
9 * backtrace.c: #include <sys/types.h>.
11 2015-09-08 Ian Lance Taylor <iant@google.com>
14 * backtrace.c: #include "internal.h".
15 (struct backtrace_data): Add can_alloc field.
16 (unwind): If can_alloc is false, don't try to get file/line
18 (backtrace_full): Set can_alloc field in bdata.
19 * alloc.c (backtrace_alloc): Don't call error_callback if it is
21 * mmap.c (backtrace_alloc): Likewise.
22 * internal.h: Update comments for backtrace_alloc and
25 2015-09-08 Ian Lance Taylor <iant@google.com>
28 * mmap.c (backtrace_alloc): Correct test for mmap failure.
30 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
32 * configure.ac: For spu-*-* targets, set have_fcntl to no.
33 * configure: Regenerate.
35 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
37 * configure.ac: Remove [disable-shared] argument to LT_INIT.
38 Remove setting PIC_FLAG when building as target library.
39 * configure: Regenerate.
41 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
43 * configure.ac: Only compile with -fPIC if the target
45 * configure: Regenerate.
47 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
49 * configure.ac: Set have_mmap to no on spu-*-* targets.
50 * configure: Regenerate.
52 2015-08-13 Ian Lance Taylor <iant@google.com>
54 * dwarf.c (read_function_entry): Add vec_inlined parameter.
57 2015-06-11 Martin Sebor <msebor@redhat.com>
60 * dwarf.c (struct line): Add new field idx.
61 (line_compare): Use it.
63 (read_line_info): Reset it.
65 2015-05-29 Tristan Gingold <gingold@adacore.com>
68 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
69 * Makefile.in: Regenerate.
70 * filetype.awk: Detect pecoff.
71 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
73 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
75 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
76 * configure: Regenerate.
79 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
81 * Makefile.in: Regenerated with automake-1.11.6.
82 * aclocal.m4: Likewise.
83 * configure: Likewise.
85 2015-01-24 Matthias Klose <doko@ubuntu.com>
87 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
88 * configure: Regenerate.
90 2015-01-05 Jakub Jelinek <jakub@redhat.com>
92 Update copyright years.
94 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
97 * configure: Regenerated.
99 2014-11-11 David Malcolm <dmalcolm@redhat.com>
101 * ChangeLog.jit: New.
103 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
106 * configure: Regenerate.
108 2014-10-23 Ian Lance Taylor <iant@google.com>
110 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
111 Fix to return void *.
113 2014-05-08 Ian Lance Taylor <iant@google.com>
115 * mmap.c (backtrace_free): If freeing a large aligned block of
116 memory, call munmap rather than holding onto it.
117 (backtrace_vector_grow): When growing a vector, double the number
118 of pages requested. When releasing the old version of a grown
119 vector, pass the correct size to backtrace_free.
121 2014-03-07 Ian Lance Taylor <iant@google.com>
123 * sort.c (backtrace_qsort): Use middle element as pivot.
125 2014-03-06 Ian Lance Taylor <iant@google.com>
129 * internal.h (backtrace_qsort): Declare.
130 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
131 (read_line_info, read_function_entry): Likewise.
132 (read_function_info, build_dwarf_data): Likewise.
133 * elf.c (elf_initialize_syminfo): Likewise.
134 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
135 (stest_SOURCES, stest_LDADD): Define.
136 (check_PROGRAMS): Add stest.
138 2014-02-07 Misty De Meo <misty@brew.sh>
141 * configure.ac: Use AC_LINK_IFELSE in check for
143 * configure: Regenerate.
145 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
147 Update copyright years
149 2013-12-06 Jakub Jelinek <jakub@redhat.com>
151 * elf.c (ET_DYN): Undefine and define again.
152 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
153 return early -1 without closing the descriptor.
154 (struct phdr_data): Add exe_descriptor.
155 (phdr_callback): If pd->exe_descriptor is not -1, for very first
156 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
157 otherwise backtrace_close the exe_descriptor if not -1. Adjust
159 (backtrace_initialize): Adjust call to elf_add. If it returns
160 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
162 2013-12-05 Ian Lance Taylor <iant@google.com>
164 * alloc.c (backtrace_vector_finish): Add error_callback and data
165 parameters. Call backtrace_vector_release. Return address base.
166 * mmap.c (backtrace_vector_finish): Add error_callback and data
167 parameters. Return address base.
168 * dwarf.c (read_function_info): Get new address base from
169 backtrace_vector_finish.
170 * internal.h (backtrace_vector_finish): Update declaration.
172 2013-11-27 Ian Lance Taylor <iant@google.com>
174 * dwarf.c (find_address_ranges): New static function, broken out
175 of build_address_map.
176 (build_address_map): Call it.
177 * btest.c (check): Check for missing filename or function, rather
179 (f3): Check that enough frames were returned.
181 2013-11-19 Jakub Jelinek <jakub@redhat.com>
183 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
184 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
186 * btest.c (struct symdata): Add size field.
187 (callback_three): Add symsize argument. Copy it to the data->size
189 (f23): Set symdata.size to 0.
190 (test5): Likewise. If sizeof (int) > 1, lookup address of
191 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
194 * atomic.c: Include sys/types.h.
196 2013-11-18 Ian Lance Taylor <iant@google.com>
198 * configure.ac: Check for support of __atomic extensions.
199 * internal.h: Declare or #define atomic functions for use in
201 * atomic.c: New file.
202 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
203 (dwarf_fileline, backtrace_dwarf_add): Likewise.
204 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
205 (backtrace_initialize): Likewise.
206 * fileline.c (fileline_initialize): Likewise.
207 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
208 * configure, config.h.in, Makefile.in: Rebuild.
210 2013-11-18 Jakub Jelinek <jakub@redhat.com>
212 * elf.c (SHN_UNDEF): Define.
213 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
214 with st_shndx == SHN_UNDEF. Add base_address to address fields.
215 (elf_add): Adjust caller.
217 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
219 2013-11-16 Ian Lance Taylor <iant@google.com>
221 * backtrace.h (backtrace_create_state): Correct comment about
224 2013-11-15 Ian Lance Taylor <iant@google.com>
226 * backtrace.h (backtrace_syminfo): Update comment and parameter
227 name to take any address, not just a PC value.
228 * elf.c (STT_OBJECT): Define.
229 (elf_nosyms): Rename parameter pc to addr.
230 (elf_symbol_search): Rename local variable pc to addr.
231 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
232 (elf_syminfo): Rename parameter pc to addr.
233 * btest.c (global): New global variable.
237 2013-10-17 Ian Lance Taylor <iant@google.com>
239 * elf.c (elf_add): Don't get the wrong offsets if a debug section
242 2013-10-15 David Malcolm <dmalcolm@redhat.com>
244 * configure.ac: Add --enable-host-shared, setting up
245 pre-existing PIC_FLAG variable within Makefile.am et al.
246 * configure: Regenerate.
248 2013-09-20 Alan Modra <amodra@gmail.com>
250 * configure: Regenerate.
252 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
254 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
256 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
258 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
259 dl_iterate_phdr callbacks.
261 2013-03-25 Ian Lance Taylor <iant@google.com>
263 * alloc.c: #include <sys/types.h>.
266 2013-01-31 Ian Lance Taylor <iant@google.com>
268 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
269 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
271 2013-01-25 Jakub Jelinek <jakub@redhat.com>
274 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
275 attribute was not seen.
277 2013-01-16 Ian Lance Taylor <iant@google.com>
279 * dwarf.c (struct unit): Add filename and abs_filename fields.
280 (build_address_map): Set new fields when reading unit.
281 (dwarf_lookup_pc): If we don't find an entry in the line table,
282 just return the main file name.
284 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
286 Update copyright years.
288 2013-01-01 Ian Lance Taylor <iant@google.com>
291 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
292 $(MULTIBUILDTOP)/../../gcc/include.
293 * Makefile.in: Rebuild.
295 2013-01-01 Ian Lance Taylor <iant@google.com>
298 * mmap.c (backtrace_alloc): Don't call sync functions if not
300 (backtrace_free): Likewise.
302 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
304 * mmapio.c: Define MAP_FAILED if not defined.
306 2012-12-11 Jakub Jelinek <jakub@redhat.com>
309 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
310 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
311 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
313 * Makefile.in: Regenerated.
314 * configure: Regenerated.
316 2012-12-07 Jakub Jelinek <jakub@redhat.com>
319 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
320 * Makefile.in: Regenerated.
322 2012-11-20 Ian Lance Taylor <iant@google.com>
324 * dwarf.c (read_attribute): Always clear val.
326 2012-11-13 Ian Lance Taylor <iant@google.com>
329 * configure.ac: Only add -Werror if building a target library.
330 * configure: Rebuild.
332 2012-11-12 Ian Lance Taylor <iant@google.com>
333 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
334 Gerald Pfeifer <gerald@pfeifer.com>
336 * configure.ac: Check for getexecname.
337 * fileline.c: #include <errno.h>. Define getexecname if not
339 (fileline_initialize): Try to find the executable in a few
341 * print.c (error_callback): Only print the filename if it came
342 from the backtrace state.
343 * configure, config.h.in: Rebuild.
345 2012-10-29 Ian Lance Taylor <iant@google.com>
347 * mmap.c (backtrace_vector_release): Correct last patch: add
350 2012-10-29 Ian Lance Taylor <iant@google.com>
352 * mmap.c (backtrace_vector_release): Make sure freed block is
353 aligned on 8-byte boundary.
355 2012-10-26 Ian Lance Taylor <iant@google.com>
358 * posix.c (backtrace_open): Add does_not_exist parameter.
359 * elf.c (phdr_callback): Do not warn if shared library could not
361 * fileline.c (fileline_initialize): Update calls to
363 * internal.h (backtrace_open): Update declaration.
365 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
368 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
369 * configure: Regenerate.
371 2012-10-24 Ian Lance Taylor <iant@google.com>
374 * configure.ac: Check whether -funwind-tables option works.
375 * configure: Rebuild.
377 2012-10-11 Ian Lance Taylor <iant@google.com>
379 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
380 * configure: Rebuild.
382 2012-10-10 Ian Lance Taylor <iant@google.com>
384 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
387 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
389 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
391 2012-10-09 Ian Lance Taylor <iant@google.com>
393 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
394 (backtrace_dwarf_add): Likewise.
396 2012-10-09 Ian Lance Taylor <iant@google.com>
398 Add support for tracing through shared libraries.
399 * configure.ac: Check for link.h and dl_iterate_phdr.
400 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
401 ELF macros before #defining them.
402 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
404 (struct elf_syminfo_data): Add next field.
405 (elf_initialize_syminfo): Initialize next field.
406 (elf_add_syminfo_data): New static function.
407 (elf_add): New static function, broken out of
408 backtrace_initialize. Call backtrace_dwarf_add instead of
409 backtrace_dwarf_initialize.
410 (struct phdr_data): Define.
411 (phdr_callback): New static function.
412 (backtrace_initialize): Call elf_add.
413 * dwarf.c (struct dwarf_data): Add next and base_address fields.
414 (add_unit_addr): Add base_address parameter. Change all callers.
415 (add_unit_ranges, build_address_map): Likewise.
416 (add_line): Add ddata parameter. Change all callers.
417 (read_line_program, add_function_range): Likewise.
418 (dwarf_lookup_pc): New static function, broken out of
420 (dwarf_fileline): Call dwarf_lookup_pc.
421 (build_dwarf_data): New static function.
422 (backtrace_dwarf_add): New function.
423 (backtrace_dwarf_initialize): Remove.
424 * internal.h (backtrace_dwarf_initialize): Don't declare.
425 (backtrace_dwarf_add): Declare.
426 * configure, config.h.in: Rebuild.
428 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
430 * btest.c (f23): Avoid uninitialized variable warning.
432 2012-10-04 Ian Lance Taylor <iant@google.com>
434 * dwarf.c: If the system header files do not declare strnlen,
435 provide our own version.
437 2012-10-03 Ian Lance Taylor <iant@google.com>
439 * dwarf.c (read_uleb128): Fix overflow test.
440 (read_sleb128): Likewise.
441 (build_address_map): Don't change unit_buf.start.
443 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
446 * configure.ac (EXTRA_FLAGS): New.
447 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
448 * configure, Makefile.in: Regenerate.
450 2012-09-29 Ian Lance Taylor <iant@google.com>
453 * fileline.c (fileline_initialize): Pass errnum as -1 when
454 reporting that we could not read executable information after a
457 2012-09-27 Ian Lance Taylor <iant@google.com>
460 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
461 * Makefile.am: Add dependencies for all objects.
462 * configure, aclocal.m4, Makefile.in: Rebuild.
464 2012-09-27 Ian Lance Taylor <iant@google.com>
467 * elf.c (backtrace_initialize): Set *fileln_fn, not
470 2012-09-19 Ian Lance Taylor <iant@google.com>
472 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
474 * configure: Rebuild.
476 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
477 Ian Lance Taylor <iant@google.com>
479 * configure.ac (GCC_HEADER_STDINT): Invoke.
480 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
481 * btest.c: Don't include <stdint.h>.
483 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
485 2012-09-18 Ian Lance Taylor <iant@google.com>
488 * Makefile.am (AM_CPPFLAGS): Define.
489 (AM_CFLAGS): Remove -I options.
490 * Makefile.in: Rebuild.
492 2012-09-18 Ian Lance Taylor <iant@google.com>
494 * posix.c (O_BINARY): Define if not defined.
495 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
496 HAVE_FCNTL is defined.
497 * configure.ac: Test for the fcntl function.
498 * configure, config.h.in: Rebuild.
500 2012-09-18 Ian Lance Taylor <iant@google.com>
502 * btest.c (test1, test2, test3, test4): Add the unused attribute.
504 2012-09-18 Ian Lance Taylor <iant@google.com>
506 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
508 2012-09-18 Ian Lance Taylor <iant@google.com>
510 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
511 * mmapio.c: Don't define _GNU_SOURCE.
512 * configure, config.h.in: Rebuild.
514 2012-09-18 Ian Lance Taylor <iant@google.com>
516 * configure.ac: Check whether strnlen is declared.
517 * dwarf.c: Declare strnlen if not declared.
518 * configure, config.h.in: Rebuild.
520 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
522 * fileline.c: Include <stdlib.h>.
525 2012-09-17 Ian Lance Taylor <iant@google.com>
528 * nounwind.c (backtrace_full): Rename from backtrace. Add state
531 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
534 * nounwind.c (backtrace_simple): Add state parameter.
536 2012-09-17 Ian Lance Taylor <iant@google.com>
539 * unknown.c (unknown_fileline): Add state parameter, remove
540 fileline_data parameter, name error_callback parameter.
541 (backtrace_initialize): Add state parameter.
543 2012-09-17 Ian Lance Taylor <iant@google.com>
545 * Initial implementation.