1 2015-06-26 Release Manager
5 2015-01-26 Matthias Klose <doko@ubuntu.com>
7 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
8 * configure: Regenerate.
10 2014-10-30 Release Manager
14 2014-07-16 Release Manager
18 2014-05-08 Ian Lance Taylor <iant@google.com>
20 Backport from mainline:
21 * mmap.c (backtrace_free): If freeing a large aligned block of
22 memory, call munmap rather than holding onto it.
23 (backtrace_vector_grow): When growing a vector, double the number
24 of pages requested. When releasing the old version of a grown
25 vector, pass the correct size to backtrace_free.
27 2014-04-22 Release Manager
31 2014-03-07 Ian Lance Taylor <iant@google.com>
33 * sort.c (backtrace_qsort): Use middle element as pivot.
35 2014-03-06 Ian Lance Taylor <iant@google.com>
39 * internal.h (backtrace_qsort): Declare.
40 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
41 (read_line_info, read_function_entry): Likewise.
42 (read_function_info, build_dwarf_data): Likewise.
43 * elf.c (elf_initialize_syminfo): Likewise.
44 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
45 (stest_SOURCES, stest_LDADD): Define.
46 (check_PROGRAMS): Add stest.
48 2014-02-07 Misty De Meo <misty@brew.sh>
51 * configure.ac: Use AC_LINK_IFELSE in check for
53 * configure: Regenerate.
55 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
57 Update copyright years
59 2013-12-06 Jakub Jelinek <jakub@redhat.com>
61 * elf.c (ET_DYN): Undefine and define again.
62 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
63 return early -1 without closing the descriptor.
64 (struct phdr_data): Add exe_descriptor.
65 (phdr_callback): If pd->exe_descriptor is not -1, for very first
66 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
67 otherwise backtrace_close the exe_descriptor if not -1. Adjust
69 (backtrace_initialize): Adjust call to elf_add. If it returns
70 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
72 2013-12-05 Ian Lance Taylor <iant@google.com>
74 * alloc.c (backtrace_vector_finish): Add error_callback and data
75 parameters. Call backtrace_vector_release. Return address base.
76 * mmap.c (backtrace_vector_finish): Add error_callback and data
77 parameters. Return address base.
78 * dwarf.c (read_function_info): Get new address base from
79 backtrace_vector_finish.
80 * internal.h (backtrace_vector_finish): Update declaration.
82 2013-11-27 Ian Lance Taylor <iant@google.com>
84 * dwarf.c (find_address_ranges): New static function, broken out
86 (build_address_map): Call it.
87 * btest.c (check): Check for missing filename or function, rather
89 (f3): Check that enough frames were returned.
91 2013-11-19 Jakub Jelinek <jakub@redhat.com>
93 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
94 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
96 * btest.c (struct symdata): Add size field.
97 (callback_three): Add symsize argument. Copy it to the data->size
99 (f23): Set symdata.size to 0.
100 (test5): Likewise. If sizeof (int) > 1, lookup address of
101 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
104 * atomic.c: Include sys/types.h.
106 2013-11-18 Ian Lance Taylor <iant@google.com>
108 * configure.ac: Check for support of __atomic extensions.
109 * internal.h: Declare or #define atomic functions for use in
111 * atomic.c: New file.
112 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
113 (dwarf_fileline, backtrace_dwarf_add): Likewise.
114 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
115 (backtrace_initialize): Likewise.
116 * fileline.c (fileline_initialize): Likewise.
117 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
118 * configure, config.h.in, Makefile.in: Rebuild.
120 2013-11-18 Jakub Jelinek <jakub@redhat.com>
122 * elf.c (SHN_UNDEF): Define.
123 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
124 with st_shndx == SHN_UNDEF. Add base_address to address fields.
125 (elf_add): Adjust caller.
127 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
129 2013-11-16 Ian Lance Taylor <iant@google.com>
131 * backtrace.h (backtrace_create_state): Correct comment about
134 2013-11-15 Ian Lance Taylor <iant@google.com>
136 * backtrace.h (backtrace_syminfo): Update comment and parameter
137 name to take any address, not just a PC value.
138 * elf.c (STT_OBJECT): Define.
139 (elf_nosyms): Rename parameter pc to addr.
140 (elf_symbol_search): Rename local variable pc to addr.
141 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
142 (elf_syminfo): Rename parameter pc to addr.
143 * btest.c (global): New global variable.
147 2013-10-17 Ian Lance Taylor <iant@google.com>
149 * elf.c (elf_add): Don't get the wrong offsets if a debug section
152 2013-10-15 David Malcolm <dmalcolm@redhat.com>
154 * configure.ac: Add --enable-host-shared, setting up
155 pre-existing PIC_FLAG variable within Makefile.am et al.
156 * configure: Regenerate.
158 2013-09-20 Alan Modra <amodra@gmail.com>
160 * configure: Regenerate.
162 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
164 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
166 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
168 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
169 dl_iterate_phdr callbacks.
171 2013-03-25 Ian Lance Taylor <iant@google.com>
173 * alloc.c: #include <sys/types.h>.
176 2013-01-31 Ian Lance Taylor <iant@google.com>
178 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
179 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
181 2013-01-25 Jakub Jelinek <jakub@redhat.com>
184 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
185 attribute was not seen.
187 2013-01-16 Ian Lance Taylor <iant@google.com>
189 * dwarf.c (struct unit): Add filename and abs_filename fields.
190 (build_address_map): Set new fields when reading unit.
191 (dwarf_lookup_pc): If we don't find an entry in the line table,
192 just return the main file name.
194 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
196 Update copyright years.
198 2013-01-01 Ian Lance Taylor <iant@google.com>
201 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
202 $(MULTIBUILDTOP)/../../gcc/include.
203 * Makefile.in: Rebuild.
205 2013-01-01 Ian Lance Taylor <iant@google.com>
208 * mmap.c (backtrace_alloc): Don't call sync functions if not
210 (backtrace_free): Likewise.
212 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
214 * mmapio.c: Define MAP_FAILED if not defined.
216 2012-12-11 Jakub Jelinek <jakub@redhat.com>
219 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
220 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
221 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
223 * Makefile.in: Regenerated.
224 * configure: Regenerated.
226 2012-12-07 Jakub Jelinek <jakub@redhat.com>
229 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
230 * Makefile.in: Regenerated.
232 2012-11-20 Ian Lance Taylor <iant@google.com>
234 * dwarf.c (read_attribute): Always clear val.
236 2012-11-13 Ian Lance Taylor <iant@google.com>
239 * configure.ac: Only add -Werror if building a target library.
240 * configure: Rebuild.
242 2012-11-12 Ian Lance Taylor <iant@google.com>
243 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
244 Gerald Pfeifer <gerald@pfeifer.com>
246 * configure.ac: Check for getexecname.
247 * fileline.c: #include <errno.h>. Define getexecname if not
249 (fileline_initialize): Try to find the executable in a few
251 * print.c (error_callback): Only print the filename if it came
252 from the backtrace state.
253 * configure, config.h.in: Rebuild.
255 2012-10-29 Ian Lance Taylor <iant@google.com>
257 * mmap.c (backtrace_vector_release): Correct last patch: add
260 2012-10-29 Ian Lance Taylor <iant@google.com>
262 * mmap.c (backtrace_vector_release): Make sure freed block is
263 aligned on 8-byte boundary.
265 2012-10-26 Ian Lance Taylor <iant@google.com>
268 * posix.c (backtrace_open): Add does_not_exist parameter.
269 * elf.c (phdr_callback): Do not warn if shared library could not
271 * fileline.c (fileline_initialize): Update calls to
273 * internal.h (backtrace_open): Update declaration.
275 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
278 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
279 * configure: Regenerate.
281 2012-10-24 Ian Lance Taylor <iant@google.com>
284 * configure.ac: Check whether -funwind-tables option works.
285 * configure: Rebuild.
287 2012-10-11 Ian Lance Taylor <iant@google.com>
289 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
290 * configure: Rebuild.
292 2012-10-10 Ian Lance Taylor <iant@google.com>
294 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
297 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
299 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
301 2012-10-09 Ian Lance Taylor <iant@google.com>
303 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
304 (backtrace_dwarf_add): Likewise.
306 2012-10-09 Ian Lance Taylor <iant@google.com>
308 Add support for tracing through shared libraries.
309 * configure.ac: Check for link.h and dl_iterate_phdr.
310 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
311 ELF macros before #defining them.
312 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
314 (struct elf_syminfo_data): Add next field.
315 (elf_initialize_syminfo): Initialize next field.
316 (elf_add_syminfo_data): New static function.
317 (elf_add): New static function, broken out of
318 backtrace_initialize. Call backtrace_dwarf_add instead of
319 backtrace_dwarf_initialize.
320 (struct phdr_data): Define.
321 (phdr_callback): New static function.
322 (backtrace_initialize): Call elf_add.
323 * dwarf.c (struct dwarf_data): Add next and base_address fields.
324 (add_unit_addr): Add base_address parameter. Change all callers.
325 (add_unit_ranges, build_address_map): Likewise.
326 (add_line): Add ddata parameter. Change all callers.
327 (read_line_program, add_function_range): Likewise.
328 (dwarf_lookup_pc): New static function, broken out of
330 (dwarf_fileline): Call dwarf_lookup_pc.
331 (build_dwarf_data): New static function.
332 (backtrace_dwarf_add): New function.
333 (backtrace_dwarf_initialize): Remove.
334 * internal.h (backtrace_dwarf_initialize): Don't declare.
335 (backtrace_dwarf_add): Declare.
336 * configure, config.h.in: Rebuild.
338 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
340 * btest.c (f23): Avoid uninitialized variable warning.
342 2012-10-04 Ian Lance Taylor <iant@google.com>
344 * dwarf.c: If the system header files do not declare strnlen,
345 provide our own version.
347 2012-10-03 Ian Lance Taylor <iant@google.com>
349 * dwarf.c (read_uleb128): Fix overflow test.
350 (read_sleb128): Likewise.
351 (build_address_map): Don't change unit_buf.start.
353 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
356 * configure.ac (EXTRA_FLAGS): New.
357 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
358 * configure, Makefile.in: Regenerate.
360 2012-09-29 Ian Lance Taylor <iant@google.com>
363 * fileline.c (fileline_initialize): Pass errnum as -1 when
364 reporting that we could not read executable information after a
367 2012-09-27 Ian Lance Taylor <iant@google.com>
370 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
371 * Makefile.am: Add dependencies for all objects.
372 * configure, aclocal.m4, Makefile.in: Rebuild.
374 2012-09-27 Ian Lance Taylor <iant@google.com>
377 * elf.c (backtrace_initialize): Set *fileln_fn, not
380 2012-09-19 Ian Lance Taylor <iant@google.com>
382 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
384 * configure: Rebuild.
386 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
387 Ian Lance Taylor <iant@google.com>
389 * configure.ac (GCC_HEADER_STDINT): Invoke.
390 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
391 * btest.c: Don't include <stdint.h>.
393 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
395 2012-09-18 Ian Lance Taylor <iant@google.com>
398 * Makefile.am (AM_CPPFLAGS): Define.
399 (AM_CFLAGS): Remove -I options.
400 * Makefile.in: Rebuild.
402 2012-09-18 Ian Lance Taylor <iant@google.com>
404 * posix.c (O_BINARY): Define if not defined.
405 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
406 HAVE_FCNTL is defined.
407 * configure.ac: Test for the fcntl function.
408 * configure, config.h.in: Rebuild.
410 2012-09-18 Ian Lance Taylor <iant@google.com>
412 * btest.c (test1, test2, test3, test4): Add the unused attribute.
414 2012-09-18 Ian Lance Taylor <iant@google.com>
416 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
418 2012-09-18 Ian Lance Taylor <iant@google.com>
420 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
421 * mmapio.c: Don't define _GNU_SOURCE.
422 * configure, config.h.in: Rebuild.
424 2012-09-18 Ian Lance Taylor <iant@google.com>
426 * configure.ac: Check whether strnlen is declared.
427 * dwarf.c: Declare strnlen if not declared.
428 * configure, config.h.in: Rebuild.
430 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
432 * fileline.c: Include <stdlib.h>.
435 2012-09-17 Ian Lance Taylor <iant@google.com>
438 * nounwind.c (backtrace_full): Rename from backtrace. Add state
441 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
444 * nounwind.c (backtrace_simple): Add state parameter.
446 2012-09-17 Ian Lance Taylor <iant@google.com>
449 * unknown.c (unknown_fileline): Add state parameter, remove
450 fileline_data parameter, name error_callback parameter.
451 (backtrace_initialize): Add state parameter.
453 2012-09-17 Ian Lance Taylor <iant@google.com>
455 * Initial implementation.