1 2014-11-11 David Malcolm <dmalcolm@redhat.com>
5 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
8 * configure: Regenerate.
10 2014-10-23 Ian Lance Taylor <iant@google.com>
12 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
15 2014-05-08 Ian Lance Taylor <iant@google.com>
17 * mmap.c (backtrace_free): If freeing a large aligned block of
18 memory, call munmap rather than holding onto it.
19 (backtrace_vector_grow): When growing a vector, double the number
20 of pages requested. When releasing the old version of a grown
21 vector, pass the correct size to backtrace_free.
23 2014-03-07 Ian Lance Taylor <iant@google.com>
25 * sort.c (backtrace_qsort): Use middle element as pivot.
27 2014-03-06 Ian Lance Taylor <iant@google.com>
31 * internal.h (backtrace_qsort): Declare.
32 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
33 (read_line_info, read_function_entry): Likewise.
34 (read_function_info, build_dwarf_data): Likewise.
35 * elf.c (elf_initialize_syminfo): Likewise.
36 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
37 (stest_SOURCES, stest_LDADD): Define.
38 (check_PROGRAMS): Add stest.
40 2014-02-07 Misty De Meo <misty@brew.sh>
43 * configure.ac: Use AC_LINK_IFELSE in check for
45 * configure: Regenerate.
47 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
49 Update copyright years
51 2013-12-06 Jakub Jelinek <jakub@redhat.com>
53 * elf.c (ET_DYN): Undefine and define again.
54 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
55 return early -1 without closing the descriptor.
56 (struct phdr_data): Add exe_descriptor.
57 (phdr_callback): If pd->exe_descriptor is not -1, for very first
58 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
59 otherwise backtrace_close the exe_descriptor if not -1. Adjust
61 (backtrace_initialize): Adjust call to elf_add. If it returns
62 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
64 2013-12-05 Ian Lance Taylor <iant@google.com>
66 * alloc.c (backtrace_vector_finish): Add error_callback and data
67 parameters. Call backtrace_vector_release. Return address base.
68 * mmap.c (backtrace_vector_finish): Add error_callback and data
69 parameters. Return address base.
70 * dwarf.c (read_function_info): Get new address base from
71 backtrace_vector_finish.
72 * internal.h (backtrace_vector_finish): Update declaration.
74 2013-11-27 Ian Lance Taylor <iant@google.com>
76 * dwarf.c (find_address_ranges): New static function, broken out
78 (build_address_map): Call it.
79 * btest.c (check): Check for missing filename or function, rather
81 (f3): Check that enough frames were returned.
83 2013-11-19 Jakub Jelinek <jakub@redhat.com>
85 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
86 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
88 * btest.c (struct symdata): Add size field.
89 (callback_three): Add symsize argument. Copy it to the data->size
91 (f23): Set symdata.size to 0.
92 (test5): Likewise. If sizeof (int) > 1, lookup address of
93 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
96 * atomic.c: Include sys/types.h.
98 2013-11-18 Ian Lance Taylor <iant@google.com>
100 * configure.ac: Check for support of __atomic extensions.
101 * internal.h: Declare or #define atomic functions for use in
103 * atomic.c: New file.
104 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
105 (dwarf_fileline, backtrace_dwarf_add): Likewise.
106 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
107 (backtrace_initialize): Likewise.
108 * fileline.c (fileline_initialize): Likewise.
109 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
110 * configure, config.h.in, Makefile.in: Rebuild.
112 2013-11-18 Jakub Jelinek <jakub@redhat.com>
114 * elf.c (SHN_UNDEF): Define.
115 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
116 with st_shndx == SHN_UNDEF. Add base_address to address fields.
117 (elf_add): Adjust caller.
119 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
121 2013-11-16 Ian Lance Taylor <iant@google.com>
123 * backtrace.h (backtrace_create_state): Correct comment about
126 2013-11-15 Ian Lance Taylor <iant@google.com>
128 * backtrace.h (backtrace_syminfo): Update comment and parameter
129 name to take any address, not just a PC value.
130 * elf.c (STT_OBJECT): Define.
131 (elf_nosyms): Rename parameter pc to addr.
132 (elf_symbol_search): Rename local variable pc to addr.
133 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
134 (elf_syminfo): Rename parameter pc to addr.
135 * btest.c (global): New global variable.
139 2013-10-17 Ian Lance Taylor <iant@google.com>
141 * elf.c (elf_add): Don't get the wrong offsets if a debug section
144 2013-10-15 David Malcolm <dmalcolm@redhat.com>
146 * configure.ac: Add --enable-host-shared, setting up
147 pre-existing PIC_FLAG variable within Makefile.am et al.
148 * configure: Regenerate.
150 2013-09-20 Alan Modra <amodra@gmail.com>
152 * configure: Regenerate.
154 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
156 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
158 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
160 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
161 dl_iterate_phdr callbacks.
163 2013-03-25 Ian Lance Taylor <iant@google.com>
165 * alloc.c: #include <sys/types.h>.
168 2013-01-31 Ian Lance Taylor <iant@google.com>
170 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
171 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
173 2013-01-25 Jakub Jelinek <jakub@redhat.com>
176 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
177 attribute was not seen.
179 2013-01-16 Ian Lance Taylor <iant@google.com>
181 * dwarf.c (struct unit): Add filename and abs_filename fields.
182 (build_address_map): Set new fields when reading unit.
183 (dwarf_lookup_pc): If we don't find an entry in the line table,
184 just return the main file name.
186 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
188 Update copyright years.
190 2013-01-01 Ian Lance Taylor <iant@google.com>
193 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
194 $(MULTIBUILDTOP)/../../gcc/include.
195 * Makefile.in: Rebuild.
197 2013-01-01 Ian Lance Taylor <iant@google.com>
200 * mmap.c (backtrace_alloc): Don't call sync functions if not
202 (backtrace_free): Likewise.
204 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
206 * mmapio.c: Define MAP_FAILED if not defined.
208 2012-12-11 Jakub Jelinek <jakub@redhat.com>
211 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
212 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
213 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
215 * Makefile.in: Regenerated.
216 * configure: Regenerated.
218 2012-12-07 Jakub Jelinek <jakub@redhat.com>
221 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
222 * Makefile.in: Regenerated.
224 2012-11-20 Ian Lance Taylor <iant@google.com>
226 * dwarf.c (read_attribute): Always clear val.
228 2012-11-13 Ian Lance Taylor <iant@google.com>
231 * configure.ac: Only add -Werror if building a target library.
232 * configure: Rebuild.
234 2012-11-12 Ian Lance Taylor <iant@google.com>
235 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
236 Gerald Pfeifer <gerald@pfeifer.com>
238 * configure.ac: Check for getexecname.
239 * fileline.c: #include <errno.h>. Define getexecname if not
241 (fileline_initialize): Try to find the executable in a few
243 * print.c (error_callback): Only print the filename if it came
244 from the backtrace state.
245 * configure, config.h.in: Rebuild.
247 2012-10-29 Ian Lance Taylor <iant@google.com>
249 * mmap.c (backtrace_vector_release): Correct last patch: add
252 2012-10-29 Ian Lance Taylor <iant@google.com>
254 * mmap.c (backtrace_vector_release): Make sure freed block is
255 aligned on 8-byte boundary.
257 2012-10-26 Ian Lance Taylor <iant@google.com>
260 * posix.c (backtrace_open): Add does_not_exist parameter.
261 * elf.c (phdr_callback): Do not warn if shared library could not
263 * fileline.c (fileline_initialize): Update calls to
265 * internal.h (backtrace_open): Update declaration.
267 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
270 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
271 * configure: Regenerate.
273 2012-10-24 Ian Lance Taylor <iant@google.com>
276 * configure.ac: Check whether -funwind-tables option works.
277 * configure: Rebuild.
279 2012-10-11 Ian Lance Taylor <iant@google.com>
281 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
282 * configure: Rebuild.
284 2012-10-10 Ian Lance Taylor <iant@google.com>
286 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
289 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
291 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
293 2012-10-09 Ian Lance Taylor <iant@google.com>
295 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
296 (backtrace_dwarf_add): Likewise.
298 2012-10-09 Ian Lance Taylor <iant@google.com>
300 Add support for tracing through shared libraries.
301 * configure.ac: Check for link.h and dl_iterate_phdr.
302 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
303 ELF macros before #defining them.
304 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
306 (struct elf_syminfo_data): Add next field.
307 (elf_initialize_syminfo): Initialize next field.
308 (elf_add_syminfo_data): New static function.
309 (elf_add): New static function, broken out of
310 backtrace_initialize. Call backtrace_dwarf_add instead of
311 backtrace_dwarf_initialize.
312 (struct phdr_data): Define.
313 (phdr_callback): New static function.
314 (backtrace_initialize): Call elf_add.
315 * dwarf.c (struct dwarf_data): Add next and base_address fields.
316 (add_unit_addr): Add base_address parameter. Change all callers.
317 (add_unit_ranges, build_address_map): Likewise.
318 (add_line): Add ddata parameter. Change all callers.
319 (read_line_program, add_function_range): Likewise.
320 (dwarf_lookup_pc): New static function, broken out of
322 (dwarf_fileline): Call dwarf_lookup_pc.
323 (build_dwarf_data): New static function.
324 (backtrace_dwarf_add): New function.
325 (backtrace_dwarf_initialize): Remove.
326 * internal.h (backtrace_dwarf_initialize): Don't declare.
327 (backtrace_dwarf_add): Declare.
328 * configure, config.h.in: Rebuild.
330 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
332 * btest.c (f23): Avoid uninitialized variable warning.
334 2012-10-04 Ian Lance Taylor <iant@google.com>
336 * dwarf.c: If the system header files do not declare strnlen,
337 provide our own version.
339 2012-10-03 Ian Lance Taylor <iant@google.com>
341 * dwarf.c (read_uleb128): Fix overflow test.
342 (read_sleb128): Likewise.
343 (build_address_map): Don't change unit_buf.start.
345 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
348 * configure.ac (EXTRA_FLAGS): New.
349 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
350 * configure, Makefile.in: Regenerate.
352 2012-09-29 Ian Lance Taylor <iant@google.com>
355 * fileline.c (fileline_initialize): Pass errnum as -1 when
356 reporting that we could not read executable information after a
359 2012-09-27 Ian Lance Taylor <iant@google.com>
362 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
363 * Makefile.am: Add dependencies for all objects.
364 * configure, aclocal.m4, Makefile.in: Rebuild.
366 2012-09-27 Ian Lance Taylor <iant@google.com>
369 * elf.c (backtrace_initialize): Set *fileln_fn, not
372 2012-09-19 Ian Lance Taylor <iant@google.com>
374 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
376 * configure: Rebuild.
378 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
379 Ian Lance Taylor <iant@google.com>
381 * configure.ac (GCC_HEADER_STDINT): Invoke.
382 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
383 * btest.c: Don't include <stdint.h>.
385 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
387 2012-09-18 Ian Lance Taylor <iant@google.com>
390 * Makefile.am (AM_CPPFLAGS): Define.
391 (AM_CFLAGS): Remove -I options.
392 * Makefile.in: Rebuild.
394 2012-09-18 Ian Lance Taylor <iant@google.com>
396 * posix.c (O_BINARY): Define if not defined.
397 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
398 HAVE_FCNTL is defined.
399 * configure.ac: Test for the fcntl function.
400 * configure, config.h.in: Rebuild.
402 2012-09-18 Ian Lance Taylor <iant@google.com>
404 * btest.c (test1, test2, test3, test4): Add the unused attribute.
406 2012-09-18 Ian Lance Taylor <iant@google.com>
408 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
410 2012-09-18 Ian Lance Taylor <iant@google.com>
412 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
413 * mmapio.c: Don't define _GNU_SOURCE.
414 * configure, config.h.in: Rebuild.
416 2012-09-18 Ian Lance Taylor <iant@google.com>
418 * configure.ac: Check whether strnlen is declared.
419 * dwarf.c: Declare strnlen if not declared.
420 * configure, config.h.in: Rebuild.
422 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
424 * fileline.c: Include <stdlib.h>.
427 2012-09-17 Ian Lance Taylor <iant@google.com>
430 * nounwind.c (backtrace_full): Rename from backtrace. Add state
433 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
436 * nounwind.c (backtrace_simple): Add state parameter.
438 2012-09-17 Ian Lance Taylor <iant@google.com>
441 * unknown.c (unknown_fileline): Add state parameter, remove
442 fileline_data parameter, name error_callback parameter.
443 (backtrace_initialize): Add state parameter.
445 2012-09-17 Ian Lance Taylor <iant@google.com>
447 * Initial implementation.