1 2015-07-16 Release Manager
5 2015-04-22 Release Manager
9 2015-01-24 Matthias Klose <doko@ubuntu.com>
11 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
12 * configure: Regenerate.
14 2015-01-05 Jakub Jelinek <jakub@redhat.com>
16 Update copyright years.
18 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
21 * configure: Regenerated.
23 2014-11-11 David Malcolm <dmalcolm@redhat.com>
27 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
30 * configure: Regenerate.
32 2014-10-23 Ian Lance Taylor <iant@google.com>
34 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
37 2014-05-08 Ian Lance Taylor <iant@google.com>
39 * mmap.c (backtrace_free): If freeing a large aligned block of
40 memory, call munmap rather than holding onto it.
41 (backtrace_vector_grow): When growing a vector, double the number
42 of pages requested. When releasing the old version of a grown
43 vector, pass the correct size to backtrace_free.
45 2014-03-07 Ian Lance Taylor <iant@google.com>
47 * sort.c (backtrace_qsort): Use middle element as pivot.
49 2014-03-06 Ian Lance Taylor <iant@google.com>
53 * internal.h (backtrace_qsort): Declare.
54 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
55 (read_line_info, read_function_entry): Likewise.
56 (read_function_info, build_dwarf_data): Likewise.
57 * elf.c (elf_initialize_syminfo): Likewise.
58 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
59 (stest_SOURCES, stest_LDADD): Define.
60 (check_PROGRAMS): Add stest.
62 2014-02-07 Misty De Meo <misty@brew.sh>
65 * configure.ac: Use AC_LINK_IFELSE in check for
67 * configure: Regenerate.
69 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
71 Update copyright years
73 2013-12-06 Jakub Jelinek <jakub@redhat.com>
75 * elf.c (ET_DYN): Undefine and define again.
76 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
77 return early -1 without closing the descriptor.
78 (struct phdr_data): Add exe_descriptor.
79 (phdr_callback): If pd->exe_descriptor is not -1, for very first
80 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
81 otherwise backtrace_close the exe_descriptor if not -1. Adjust
83 (backtrace_initialize): Adjust call to elf_add. If it returns
84 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
86 2013-12-05 Ian Lance Taylor <iant@google.com>
88 * alloc.c (backtrace_vector_finish): Add error_callback and data
89 parameters. Call backtrace_vector_release. Return address base.
90 * mmap.c (backtrace_vector_finish): Add error_callback and data
91 parameters. Return address base.
92 * dwarf.c (read_function_info): Get new address base from
93 backtrace_vector_finish.
94 * internal.h (backtrace_vector_finish): Update declaration.
96 2013-11-27 Ian Lance Taylor <iant@google.com>
98 * dwarf.c (find_address_ranges): New static function, broken out
100 (build_address_map): Call it.
101 * btest.c (check): Check for missing filename or function, rather
103 (f3): Check that enough frames were returned.
105 2013-11-19 Jakub Jelinek <jakub@redhat.com>
107 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
108 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
110 * btest.c (struct symdata): Add size field.
111 (callback_three): Add symsize argument. Copy it to the data->size
113 (f23): Set symdata.size to 0.
114 (test5): Likewise. If sizeof (int) > 1, lookup address of
115 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
118 * atomic.c: Include sys/types.h.
120 2013-11-18 Ian Lance Taylor <iant@google.com>
122 * configure.ac: Check for support of __atomic extensions.
123 * internal.h: Declare or #define atomic functions for use in
125 * atomic.c: New file.
126 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
127 (dwarf_fileline, backtrace_dwarf_add): Likewise.
128 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
129 (backtrace_initialize): Likewise.
130 * fileline.c (fileline_initialize): Likewise.
131 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
132 * configure, config.h.in, Makefile.in: Rebuild.
134 2013-11-18 Jakub Jelinek <jakub@redhat.com>
136 * elf.c (SHN_UNDEF): Define.
137 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
138 with st_shndx == SHN_UNDEF. Add base_address to address fields.
139 (elf_add): Adjust caller.
141 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
143 2013-11-16 Ian Lance Taylor <iant@google.com>
145 * backtrace.h (backtrace_create_state): Correct comment about
148 2013-11-15 Ian Lance Taylor <iant@google.com>
150 * backtrace.h (backtrace_syminfo): Update comment and parameter
151 name to take any address, not just a PC value.
152 * elf.c (STT_OBJECT): Define.
153 (elf_nosyms): Rename parameter pc to addr.
154 (elf_symbol_search): Rename local variable pc to addr.
155 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
156 (elf_syminfo): Rename parameter pc to addr.
157 * btest.c (global): New global variable.
161 2013-10-17 Ian Lance Taylor <iant@google.com>
163 * elf.c (elf_add): Don't get the wrong offsets if a debug section
166 2013-10-15 David Malcolm <dmalcolm@redhat.com>
168 * configure.ac: Add --enable-host-shared, setting up
169 pre-existing PIC_FLAG variable within Makefile.am et al.
170 * configure: Regenerate.
172 2013-09-20 Alan Modra <amodra@gmail.com>
174 * configure: Regenerate.
176 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
178 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
180 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
182 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
183 dl_iterate_phdr callbacks.
185 2013-03-25 Ian Lance Taylor <iant@google.com>
187 * alloc.c: #include <sys/types.h>.
190 2013-01-31 Ian Lance Taylor <iant@google.com>
192 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
193 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
195 2013-01-25 Jakub Jelinek <jakub@redhat.com>
198 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
199 attribute was not seen.
201 2013-01-16 Ian Lance Taylor <iant@google.com>
203 * dwarf.c (struct unit): Add filename and abs_filename fields.
204 (build_address_map): Set new fields when reading unit.
205 (dwarf_lookup_pc): If we don't find an entry in the line table,
206 just return the main file name.
208 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
210 Update copyright years.
212 2013-01-01 Ian Lance Taylor <iant@google.com>
215 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
216 $(MULTIBUILDTOP)/../../gcc/include.
217 * Makefile.in: Rebuild.
219 2013-01-01 Ian Lance Taylor <iant@google.com>
222 * mmap.c (backtrace_alloc): Don't call sync functions if not
224 (backtrace_free): Likewise.
226 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
228 * mmapio.c: Define MAP_FAILED if not defined.
230 2012-12-11 Jakub Jelinek <jakub@redhat.com>
233 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
234 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
235 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
237 * Makefile.in: Regenerated.
238 * configure: Regenerated.
240 2012-12-07 Jakub Jelinek <jakub@redhat.com>
243 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
244 * Makefile.in: Regenerated.
246 2012-11-20 Ian Lance Taylor <iant@google.com>
248 * dwarf.c (read_attribute): Always clear val.
250 2012-11-13 Ian Lance Taylor <iant@google.com>
253 * configure.ac: Only add -Werror if building a target library.
254 * configure: Rebuild.
256 2012-11-12 Ian Lance Taylor <iant@google.com>
257 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
258 Gerald Pfeifer <gerald@pfeifer.com>
260 * configure.ac: Check for getexecname.
261 * fileline.c: #include <errno.h>. Define getexecname if not
263 (fileline_initialize): Try to find the executable in a few
265 * print.c (error_callback): Only print the filename if it came
266 from the backtrace state.
267 * configure, config.h.in: Rebuild.
269 2012-10-29 Ian Lance Taylor <iant@google.com>
271 * mmap.c (backtrace_vector_release): Correct last patch: add
274 2012-10-29 Ian Lance Taylor <iant@google.com>
276 * mmap.c (backtrace_vector_release): Make sure freed block is
277 aligned on 8-byte boundary.
279 2012-10-26 Ian Lance Taylor <iant@google.com>
282 * posix.c (backtrace_open): Add does_not_exist parameter.
283 * elf.c (phdr_callback): Do not warn if shared library could not
285 * fileline.c (fileline_initialize): Update calls to
287 * internal.h (backtrace_open): Update declaration.
289 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
292 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
293 * configure: Regenerate.
295 2012-10-24 Ian Lance Taylor <iant@google.com>
298 * configure.ac: Check whether -funwind-tables option works.
299 * configure: Rebuild.
301 2012-10-11 Ian Lance Taylor <iant@google.com>
303 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
304 * configure: Rebuild.
306 2012-10-10 Ian Lance Taylor <iant@google.com>
308 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
311 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
313 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
315 2012-10-09 Ian Lance Taylor <iant@google.com>
317 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
318 (backtrace_dwarf_add): Likewise.
320 2012-10-09 Ian Lance Taylor <iant@google.com>
322 Add support for tracing through shared libraries.
323 * configure.ac: Check for link.h and dl_iterate_phdr.
324 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
325 ELF macros before #defining them.
326 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
328 (struct elf_syminfo_data): Add next field.
329 (elf_initialize_syminfo): Initialize next field.
330 (elf_add_syminfo_data): New static function.
331 (elf_add): New static function, broken out of
332 backtrace_initialize. Call backtrace_dwarf_add instead of
333 backtrace_dwarf_initialize.
334 (struct phdr_data): Define.
335 (phdr_callback): New static function.
336 (backtrace_initialize): Call elf_add.
337 * dwarf.c (struct dwarf_data): Add next and base_address fields.
338 (add_unit_addr): Add base_address parameter. Change all callers.
339 (add_unit_ranges, build_address_map): Likewise.
340 (add_line): Add ddata parameter. Change all callers.
341 (read_line_program, add_function_range): Likewise.
342 (dwarf_lookup_pc): New static function, broken out of
344 (dwarf_fileline): Call dwarf_lookup_pc.
345 (build_dwarf_data): New static function.
346 (backtrace_dwarf_add): New function.
347 (backtrace_dwarf_initialize): Remove.
348 * internal.h (backtrace_dwarf_initialize): Don't declare.
349 (backtrace_dwarf_add): Declare.
350 * configure, config.h.in: Rebuild.
352 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
354 * btest.c (f23): Avoid uninitialized variable warning.
356 2012-10-04 Ian Lance Taylor <iant@google.com>
358 * dwarf.c: If the system header files do not declare strnlen,
359 provide our own version.
361 2012-10-03 Ian Lance Taylor <iant@google.com>
363 * dwarf.c (read_uleb128): Fix overflow test.
364 (read_sleb128): Likewise.
365 (build_address_map): Don't change unit_buf.start.
367 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
370 * configure.ac (EXTRA_FLAGS): New.
371 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
372 * configure, Makefile.in: Regenerate.
374 2012-09-29 Ian Lance Taylor <iant@google.com>
377 * fileline.c (fileline_initialize): Pass errnum as -1 when
378 reporting that we could not read executable information after a
381 2012-09-27 Ian Lance Taylor <iant@google.com>
384 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
385 * Makefile.am: Add dependencies for all objects.
386 * configure, aclocal.m4, Makefile.in: Rebuild.
388 2012-09-27 Ian Lance Taylor <iant@google.com>
391 * elf.c (backtrace_initialize): Set *fileln_fn, not
394 2012-09-19 Ian Lance Taylor <iant@google.com>
396 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
398 * configure: Rebuild.
400 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
401 Ian Lance Taylor <iant@google.com>
403 * configure.ac (GCC_HEADER_STDINT): Invoke.
404 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
405 * btest.c: Don't include <stdint.h>.
407 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
409 2012-09-18 Ian Lance Taylor <iant@google.com>
412 * Makefile.am (AM_CPPFLAGS): Define.
413 (AM_CFLAGS): Remove -I options.
414 * Makefile.in: Rebuild.
416 2012-09-18 Ian Lance Taylor <iant@google.com>
418 * posix.c (O_BINARY): Define if not defined.
419 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
420 HAVE_FCNTL is defined.
421 * configure.ac: Test for the fcntl function.
422 * configure, config.h.in: Rebuild.
424 2012-09-18 Ian Lance Taylor <iant@google.com>
426 * btest.c (test1, test2, test3, test4): Add the unused attribute.
428 2012-09-18 Ian Lance Taylor <iant@google.com>
430 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
432 2012-09-18 Ian Lance Taylor <iant@google.com>
434 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
435 * mmapio.c: Don't define _GNU_SOURCE.
436 * configure, config.h.in: Rebuild.
438 2012-09-18 Ian Lance Taylor <iant@google.com>
440 * configure.ac: Check whether strnlen is declared.
441 * dwarf.c: Declare strnlen if not declared.
442 * configure, config.h.in: Rebuild.
444 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
446 * fileline.c: Include <stdlib.h>.
449 2012-09-17 Ian Lance Taylor <iant@google.com>
452 * nounwind.c (backtrace_full): Rename from backtrace. Add state
455 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
458 * nounwind.c (backtrace_simple): Add state parameter.
460 2012-09-17 Ian Lance Taylor <iant@google.com>
463 * unknown.c (unknown_fileline): Add state parameter, remove
464 fileline_data parameter, name error_callback parameter.
465 (backtrace_initialize): Add state parameter.
467 2012-09-17 Ian Lance Taylor <iant@google.com>
469 * Initial implementation.