1 2017-10-10 Release Manager
5 2016-06-03 Release Manager
9 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
12 * elf.c (phdr_callback) [__i386__]: Add
13 __attribute__((__force_align_arg_pointer__)).
15 2015-12-04 Release Manager
19 2015-07-16 Release Manager
23 2015-04-22 Release Manager
27 2015-01-24 Matthias Klose <doko@ubuntu.com>
29 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
30 * configure: Regenerate.
32 2015-01-05 Jakub Jelinek <jakub@redhat.com>
34 Update copyright years.
36 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
39 * configure: Regenerated.
41 2014-11-11 David Malcolm <dmalcolm@redhat.com>
45 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
48 * configure: Regenerate.
50 2014-10-23 Ian Lance Taylor <iant@google.com>
52 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
55 2014-05-08 Ian Lance Taylor <iant@google.com>
57 * mmap.c (backtrace_free): If freeing a large aligned block of
58 memory, call munmap rather than holding onto it.
59 (backtrace_vector_grow): When growing a vector, double the number
60 of pages requested. When releasing the old version of a grown
61 vector, pass the correct size to backtrace_free.
63 2014-03-07 Ian Lance Taylor <iant@google.com>
65 * sort.c (backtrace_qsort): Use middle element as pivot.
67 2014-03-06 Ian Lance Taylor <iant@google.com>
71 * internal.h (backtrace_qsort): Declare.
72 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
73 (read_line_info, read_function_entry): Likewise.
74 (read_function_info, build_dwarf_data): Likewise.
75 * elf.c (elf_initialize_syminfo): Likewise.
76 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
77 (stest_SOURCES, stest_LDADD): Define.
78 (check_PROGRAMS): Add stest.
80 2014-02-07 Misty De Meo <misty@brew.sh>
83 * configure.ac: Use AC_LINK_IFELSE in check for
85 * configure: Regenerate.
87 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
89 Update copyright years
91 2013-12-06 Jakub Jelinek <jakub@redhat.com>
93 * elf.c (ET_DYN): Undefine and define again.
94 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
95 return early -1 without closing the descriptor.
96 (struct phdr_data): Add exe_descriptor.
97 (phdr_callback): If pd->exe_descriptor is not -1, for very first
98 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
99 otherwise backtrace_close the exe_descriptor if not -1. Adjust
101 (backtrace_initialize): Adjust call to elf_add. If it returns
102 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
104 2013-12-05 Ian Lance Taylor <iant@google.com>
106 * alloc.c (backtrace_vector_finish): Add error_callback and data
107 parameters. Call backtrace_vector_release. Return address base.
108 * mmap.c (backtrace_vector_finish): Add error_callback and data
109 parameters. Return address base.
110 * dwarf.c (read_function_info): Get new address base from
111 backtrace_vector_finish.
112 * internal.h (backtrace_vector_finish): Update declaration.
114 2013-11-27 Ian Lance Taylor <iant@google.com>
116 * dwarf.c (find_address_ranges): New static function, broken out
117 of build_address_map.
118 (build_address_map): Call it.
119 * btest.c (check): Check for missing filename or function, rather
121 (f3): Check that enough frames were returned.
123 2013-11-19 Jakub Jelinek <jakub@redhat.com>
125 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
126 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
128 * btest.c (struct symdata): Add size field.
129 (callback_three): Add symsize argument. Copy it to the data->size
131 (f23): Set symdata.size to 0.
132 (test5): Likewise. If sizeof (int) > 1, lookup address of
133 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
136 * atomic.c: Include sys/types.h.
138 2013-11-18 Ian Lance Taylor <iant@google.com>
140 * configure.ac: Check for support of __atomic extensions.
141 * internal.h: Declare or #define atomic functions for use in
143 * atomic.c: New file.
144 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
145 (dwarf_fileline, backtrace_dwarf_add): Likewise.
146 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
147 (backtrace_initialize): Likewise.
148 * fileline.c (fileline_initialize): Likewise.
149 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
150 * configure, config.h.in, Makefile.in: Rebuild.
152 2013-11-18 Jakub Jelinek <jakub@redhat.com>
154 * elf.c (SHN_UNDEF): Define.
155 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
156 with st_shndx == SHN_UNDEF. Add base_address to address fields.
157 (elf_add): Adjust caller.
159 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
161 2013-11-16 Ian Lance Taylor <iant@google.com>
163 * backtrace.h (backtrace_create_state): Correct comment about
166 2013-11-15 Ian Lance Taylor <iant@google.com>
168 * backtrace.h (backtrace_syminfo): Update comment and parameter
169 name to take any address, not just a PC value.
170 * elf.c (STT_OBJECT): Define.
171 (elf_nosyms): Rename parameter pc to addr.
172 (elf_symbol_search): Rename local variable pc to addr.
173 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
174 (elf_syminfo): Rename parameter pc to addr.
175 * btest.c (global): New global variable.
179 2013-10-17 Ian Lance Taylor <iant@google.com>
181 * elf.c (elf_add): Don't get the wrong offsets if a debug section
184 2013-10-15 David Malcolm <dmalcolm@redhat.com>
186 * configure.ac: Add --enable-host-shared, setting up
187 pre-existing PIC_FLAG variable within Makefile.am et al.
188 * configure: Regenerate.
190 2013-09-20 Alan Modra <amodra@gmail.com>
192 * configure: Regenerate.
194 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
196 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
198 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
200 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
201 dl_iterate_phdr callbacks.
203 2013-03-25 Ian Lance Taylor <iant@google.com>
205 * alloc.c: #include <sys/types.h>.
208 2013-01-31 Ian Lance Taylor <iant@google.com>
210 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
211 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
213 2013-01-25 Jakub Jelinek <jakub@redhat.com>
216 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
217 attribute was not seen.
219 2013-01-16 Ian Lance Taylor <iant@google.com>
221 * dwarf.c (struct unit): Add filename and abs_filename fields.
222 (build_address_map): Set new fields when reading unit.
223 (dwarf_lookup_pc): If we don't find an entry in the line table,
224 just return the main file name.
226 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
228 Update copyright years.
230 2013-01-01 Ian Lance Taylor <iant@google.com>
233 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
234 $(MULTIBUILDTOP)/../../gcc/include.
235 * Makefile.in: Rebuild.
237 2013-01-01 Ian Lance Taylor <iant@google.com>
240 * mmap.c (backtrace_alloc): Don't call sync functions if not
242 (backtrace_free): Likewise.
244 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
246 * mmapio.c: Define MAP_FAILED if not defined.
248 2012-12-11 Jakub Jelinek <jakub@redhat.com>
251 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
252 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
253 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
255 * Makefile.in: Regenerated.
256 * configure: Regenerated.
258 2012-12-07 Jakub Jelinek <jakub@redhat.com>
261 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
262 * Makefile.in: Regenerated.
264 2012-11-20 Ian Lance Taylor <iant@google.com>
266 * dwarf.c (read_attribute): Always clear val.
268 2012-11-13 Ian Lance Taylor <iant@google.com>
271 * configure.ac: Only add -Werror if building a target library.
272 * configure: Rebuild.
274 2012-11-12 Ian Lance Taylor <iant@google.com>
275 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
276 Gerald Pfeifer <gerald@pfeifer.com>
278 * configure.ac: Check for getexecname.
279 * fileline.c: #include <errno.h>. Define getexecname if not
281 (fileline_initialize): Try to find the executable in a few
283 * print.c (error_callback): Only print the filename if it came
284 from the backtrace state.
285 * configure, config.h.in: Rebuild.
287 2012-10-29 Ian Lance Taylor <iant@google.com>
289 * mmap.c (backtrace_vector_release): Correct last patch: add
292 2012-10-29 Ian Lance Taylor <iant@google.com>
294 * mmap.c (backtrace_vector_release): Make sure freed block is
295 aligned on 8-byte boundary.
297 2012-10-26 Ian Lance Taylor <iant@google.com>
300 * posix.c (backtrace_open): Add does_not_exist parameter.
301 * elf.c (phdr_callback): Do not warn if shared library could not
303 * fileline.c (fileline_initialize): Update calls to
305 * internal.h (backtrace_open): Update declaration.
307 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
310 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
311 * configure: Regenerate.
313 2012-10-24 Ian Lance Taylor <iant@google.com>
316 * configure.ac: Check whether -funwind-tables option works.
317 * configure: Rebuild.
319 2012-10-11 Ian Lance Taylor <iant@google.com>
321 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
322 * configure: Rebuild.
324 2012-10-10 Ian Lance Taylor <iant@google.com>
326 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
329 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
331 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
333 2012-10-09 Ian Lance Taylor <iant@google.com>
335 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
336 (backtrace_dwarf_add): Likewise.
338 2012-10-09 Ian Lance Taylor <iant@google.com>
340 Add support for tracing through shared libraries.
341 * configure.ac: Check for link.h and dl_iterate_phdr.
342 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
343 ELF macros before #defining them.
344 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
346 (struct elf_syminfo_data): Add next field.
347 (elf_initialize_syminfo): Initialize next field.
348 (elf_add_syminfo_data): New static function.
349 (elf_add): New static function, broken out of
350 backtrace_initialize. Call backtrace_dwarf_add instead of
351 backtrace_dwarf_initialize.
352 (struct phdr_data): Define.
353 (phdr_callback): New static function.
354 (backtrace_initialize): Call elf_add.
355 * dwarf.c (struct dwarf_data): Add next and base_address fields.
356 (add_unit_addr): Add base_address parameter. Change all callers.
357 (add_unit_ranges, build_address_map): Likewise.
358 (add_line): Add ddata parameter. Change all callers.
359 (read_line_program, add_function_range): Likewise.
360 (dwarf_lookup_pc): New static function, broken out of
362 (dwarf_fileline): Call dwarf_lookup_pc.
363 (build_dwarf_data): New static function.
364 (backtrace_dwarf_add): New function.
365 (backtrace_dwarf_initialize): Remove.
366 * internal.h (backtrace_dwarf_initialize): Don't declare.
367 (backtrace_dwarf_add): Declare.
368 * configure, config.h.in: Rebuild.
370 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
372 * btest.c (f23): Avoid uninitialized variable warning.
374 2012-10-04 Ian Lance Taylor <iant@google.com>
376 * dwarf.c: If the system header files do not declare strnlen,
377 provide our own version.
379 2012-10-03 Ian Lance Taylor <iant@google.com>
381 * dwarf.c (read_uleb128): Fix overflow test.
382 (read_sleb128): Likewise.
383 (build_address_map): Don't change unit_buf.start.
385 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
388 * configure.ac (EXTRA_FLAGS): New.
389 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
390 * configure, Makefile.in: Regenerate.
392 2012-09-29 Ian Lance Taylor <iant@google.com>
395 * fileline.c (fileline_initialize): Pass errnum as -1 when
396 reporting that we could not read executable information after a
399 2012-09-27 Ian Lance Taylor <iant@google.com>
402 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
403 * Makefile.am: Add dependencies for all objects.
404 * configure, aclocal.m4, Makefile.in: Rebuild.
406 2012-09-27 Ian Lance Taylor <iant@google.com>
409 * elf.c (backtrace_initialize): Set *fileln_fn, not
412 2012-09-19 Ian Lance Taylor <iant@google.com>
414 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
416 * configure: Rebuild.
418 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
419 Ian Lance Taylor <iant@google.com>
421 * configure.ac (GCC_HEADER_STDINT): Invoke.
422 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
423 * btest.c: Don't include <stdint.h>.
425 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
427 2012-09-18 Ian Lance Taylor <iant@google.com>
430 * Makefile.am (AM_CPPFLAGS): Define.
431 (AM_CFLAGS): Remove -I options.
432 * Makefile.in: Rebuild.
434 2012-09-18 Ian Lance Taylor <iant@google.com>
436 * posix.c (O_BINARY): Define if not defined.
437 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
438 HAVE_FCNTL is defined.
439 * configure.ac: Test for the fcntl function.
440 * configure, config.h.in: Rebuild.
442 2012-09-18 Ian Lance Taylor <iant@google.com>
444 * btest.c (test1, test2, test3, test4): Add the unused attribute.
446 2012-09-18 Ian Lance Taylor <iant@google.com>
448 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
450 2012-09-18 Ian Lance Taylor <iant@google.com>
452 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
453 * mmapio.c: Don't define _GNU_SOURCE.
454 * configure, config.h.in: Rebuild.
456 2012-09-18 Ian Lance Taylor <iant@google.com>
458 * configure.ac: Check whether strnlen is declared.
459 * dwarf.c: Declare strnlen if not declared.
460 * configure, config.h.in: Rebuild.
462 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
464 * fileline.c: Include <stdlib.h>.
467 2012-09-17 Ian Lance Taylor <iant@google.com>
470 * nounwind.c (backtrace_full): Rename from backtrace. Add state
473 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
476 * nounwind.c (backtrace_simple): Add state parameter.
478 2012-09-17 Ian Lance Taylor <iant@google.com>
481 * unknown.c (unknown_fileline): Add state parameter, remove
482 fileline_data parameter, name error_callback parameter.
483 (backtrace_initialize): Add state parameter.
485 2012-09-17 Ian Lance Taylor <iant@google.com>
487 * Initial implementation.