1 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
4 * configure: Regenerated.
6 2014-11-11 David Malcolm <dmalcolm@redhat.com>
10 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
13 * configure: Regenerate.
15 2014-10-23 Ian Lance Taylor <iant@google.com>
17 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
20 2014-05-08 Ian Lance Taylor <iant@google.com>
22 * mmap.c (backtrace_free): If freeing a large aligned block of
23 memory, call munmap rather than holding onto it.
24 (backtrace_vector_grow): When growing a vector, double the number
25 of pages requested. When releasing the old version of a grown
26 vector, pass the correct size to backtrace_free.
28 2014-03-07 Ian Lance Taylor <iant@google.com>
30 * sort.c (backtrace_qsort): Use middle element as pivot.
32 2014-03-06 Ian Lance Taylor <iant@google.com>
36 * internal.h (backtrace_qsort): Declare.
37 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
38 (read_line_info, read_function_entry): Likewise.
39 (read_function_info, build_dwarf_data): Likewise.
40 * elf.c (elf_initialize_syminfo): Likewise.
41 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
42 (stest_SOURCES, stest_LDADD): Define.
43 (check_PROGRAMS): Add stest.
45 2014-02-07 Misty De Meo <misty@brew.sh>
48 * configure.ac: Use AC_LINK_IFELSE in check for
50 * configure: Regenerate.
52 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
54 Update copyright years
56 2013-12-06 Jakub Jelinek <jakub@redhat.com>
58 * elf.c (ET_DYN): Undefine and define again.
59 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
60 return early -1 without closing the descriptor.
61 (struct phdr_data): Add exe_descriptor.
62 (phdr_callback): If pd->exe_descriptor is not -1, for very first
63 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
64 otherwise backtrace_close the exe_descriptor if not -1. Adjust
66 (backtrace_initialize): Adjust call to elf_add. If it returns
67 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
69 2013-12-05 Ian Lance Taylor <iant@google.com>
71 * alloc.c (backtrace_vector_finish): Add error_callback and data
72 parameters. Call backtrace_vector_release. Return address base.
73 * mmap.c (backtrace_vector_finish): Add error_callback and data
74 parameters. Return address base.
75 * dwarf.c (read_function_info): Get new address base from
76 backtrace_vector_finish.
77 * internal.h (backtrace_vector_finish): Update declaration.
79 2013-11-27 Ian Lance Taylor <iant@google.com>
81 * dwarf.c (find_address_ranges): New static function, broken out
83 (build_address_map): Call it.
84 * btest.c (check): Check for missing filename or function, rather
86 (f3): Check that enough frames were returned.
88 2013-11-19 Jakub Jelinek <jakub@redhat.com>
90 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
91 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
93 * btest.c (struct symdata): Add size field.
94 (callback_three): Add symsize argument. Copy it to the data->size
96 (f23): Set symdata.size to 0.
97 (test5): Likewise. If sizeof (int) > 1, lookup address of
98 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
101 * atomic.c: Include sys/types.h.
103 2013-11-18 Ian Lance Taylor <iant@google.com>
105 * configure.ac: Check for support of __atomic extensions.
106 * internal.h: Declare or #define atomic functions for use in
108 * atomic.c: New file.
109 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
110 (dwarf_fileline, backtrace_dwarf_add): Likewise.
111 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
112 (backtrace_initialize): Likewise.
113 * fileline.c (fileline_initialize): Likewise.
114 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
115 * configure, config.h.in, Makefile.in: Rebuild.
117 2013-11-18 Jakub Jelinek <jakub@redhat.com>
119 * elf.c (SHN_UNDEF): Define.
120 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
121 with st_shndx == SHN_UNDEF. Add base_address to address fields.
122 (elf_add): Adjust caller.
124 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
126 2013-11-16 Ian Lance Taylor <iant@google.com>
128 * backtrace.h (backtrace_create_state): Correct comment about
131 2013-11-15 Ian Lance Taylor <iant@google.com>
133 * backtrace.h (backtrace_syminfo): Update comment and parameter
134 name to take any address, not just a PC value.
135 * elf.c (STT_OBJECT): Define.
136 (elf_nosyms): Rename parameter pc to addr.
137 (elf_symbol_search): Rename local variable pc to addr.
138 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
139 (elf_syminfo): Rename parameter pc to addr.
140 * btest.c (global): New global variable.
144 2013-10-17 Ian Lance Taylor <iant@google.com>
146 * elf.c (elf_add): Don't get the wrong offsets if a debug section
149 2013-10-15 David Malcolm <dmalcolm@redhat.com>
151 * configure.ac: Add --enable-host-shared, setting up
152 pre-existing PIC_FLAG variable within Makefile.am et al.
153 * configure: Regenerate.
155 2013-09-20 Alan Modra <amodra@gmail.com>
157 * configure: Regenerate.
159 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
161 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
163 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
165 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
166 dl_iterate_phdr callbacks.
168 2013-03-25 Ian Lance Taylor <iant@google.com>
170 * alloc.c: #include <sys/types.h>.
173 2013-01-31 Ian Lance Taylor <iant@google.com>
175 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
176 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
178 2013-01-25 Jakub Jelinek <jakub@redhat.com>
181 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
182 attribute was not seen.
184 2013-01-16 Ian Lance Taylor <iant@google.com>
186 * dwarf.c (struct unit): Add filename and abs_filename fields.
187 (build_address_map): Set new fields when reading unit.
188 (dwarf_lookup_pc): If we don't find an entry in the line table,
189 just return the main file name.
191 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
193 Update copyright years.
195 2013-01-01 Ian Lance Taylor <iant@google.com>
198 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
199 $(MULTIBUILDTOP)/../../gcc/include.
200 * Makefile.in: Rebuild.
202 2013-01-01 Ian Lance Taylor <iant@google.com>
205 * mmap.c (backtrace_alloc): Don't call sync functions if not
207 (backtrace_free): Likewise.
209 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
211 * mmapio.c: Define MAP_FAILED if not defined.
213 2012-12-11 Jakub Jelinek <jakub@redhat.com>
216 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
217 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
218 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
220 * Makefile.in: Regenerated.
221 * configure: Regenerated.
223 2012-12-07 Jakub Jelinek <jakub@redhat.com>
226 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
227 * Makefile.in: Regenerated.
229 2012-11-20 Ian Lance Taylor <iant@google.com>
231 * dwarf.c (read_attribute): Always clear val.
233 2012-11-13 Ian Lance Taylor <iant@google.com>
236 * configure.ac: Only add -Werror if building a target library.
237 * configure: Rebuild.
239 2012-11-12 Ian Lance Taylor <iant@google.com>
240 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
241 Gerald Pfeifer <gerald@pfeifer.com>
243 * configure.ac: Check for getexecname.
244 * fileline.c: #include <errno.h>. Define getexecname if not
246 (fileline_initialize): Try to find the executable in a few
248 * print.c (error_callback): Only print the filename if it came
249 from the backtrace state.
250 * configure, config.h.in: Rebuild.
252 2012-10-29 Ian Lance Taylor <iant@google.com>
254 * mmap.c (backtrace_vector_release): Correct last patch: add
257 2012-10-29 Ian Lance Taylor <iant@google.com>
259 * mmap.c (backtrace_vector_release): Make sure freed block is
260 aligned on 8-byte boundary.
262 2012-10-26 Ian Lance Taylor <iant@google.com>
265 * posix.c (backtrace_open): Add does_not_exist parameter.
266 * elf.c (phdr_callback): Do not warn if shared library could not
268 * fileline.c (fileline_initialize): Update calls to
270 * internal.h (backtrace_open): Update declaration.
272 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
275 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
276 * configure: Regenerate.
278 2012-10-24 Ian Lance Taylor <iant@google.com>
281 * configure.ac: Check whether -funwind-tables option works.
282 * configure: Rebuild.
284 2012-10-11 Ian Lance Taylor <iant@google.com>
286 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
287 * configure: Rebuild.
289 2012-10-10 Ian Lance Taylor <iant@google.com>
291 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
294 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
296 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
298 2012-10-09 Ian Lance Taylor <iant@google.com>
300 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
301 (backtrace_dwarf_add): Likewise.
303 2012-10-09 Ian Lance Taylor <iant@google.com>
305 Add support for tracing through shared libraries.
306 * configure.ac: Check for link.h and dl_iterate_phdr.
307 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
308 ELF macros before #defining them.
309 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
311 (struct elf_syminfo_data): Add next field.
312 (elf_initialize_syminfo): Initialize next field.
313 (elf_add_syminfo_data): New static function.
314 (elf_add): New static function, broken out of
315 backtrace_initialize. Call backtrace_dwarf_add instead of
316 backtrace_dwarf_initialize.
317 (struct phdr_data): Define.
318 (phdr_callback): New static function.
319 (backtrace_initialize): Call elf_add.
320 * dwarf.c (struct dwarf_data): Add next and base_address fields.
321 (add_unit_addr): Add base_address parameter. Change all callers.
322 (add_unit_ranges, build_address_map): Likewise.
323 (add_line): Add ddata parameter. Change all callers.
324 (read_line_program, add_function_range): Likewise.
325 (dwarf_lookup_pc): New static function, broken out of
327 (dwarf_fileline): Call dwarf_lookup_pc.
328 (build_dwarf_data): New static function.
329 (backtrace_dwarf_add): New function.
330 (backtrace_dwarf_initialize): Remove.
331 * internal.h (backtrace_dwarf_initialize): Don't declare.
332 (backtrace_dwarf_add): Declare.
333 * configure, config.h.in: Rebuild.
335 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
337 * btest.c (f23): Avoid uninitialized variable warning.
339 2012-10-04 Ian Lance Taylor <iant@google.com>
341 * dwarf.c: If the system header files do not declare strnlen,
342 provide our own version.
344 2012-10-03 Ian Lance Taylor <iant@google.com>
346 * dwarf.c (read_uleb128): Fix overflow test.
347 (read_sleb128): Likewise.
348 (build_address_map): Don't change unit_buf.start.
350 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
353 * configure.ac (EXTRA_FLAGS): New.
354 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
355 * configure, Makefile.in: Regenerate.
357 2012-09-29 Ian Lance Taylor <iant@google.com>
360 * fileline.c (fileline_initialize): Pass errnum as -1 when
361 reporting that we could not read executable information after a
364 2012-09-27 Ian Lance Taylor <iant@google.com>
367 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
368 * Makefile.am: Add dependencies for all objects.
369 * configure, aclocal.m4, Makefile.in: Rebuild.
371 2012-09-27 Ian Lance Taylor <iant@google.com>
374 * elf.c (backtrace_initialize): Set *fileln_fn, not
377 2012-09-19 Ian Lance Taylor <iant@google.com>
379 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
381 * configure: Rebuild.
383 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
384 Ian Lance Taylor <iant@google.com>
386 * configure.ac (GCC_HEADER_STDINT): Invoke.
387 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
388 * btest.c: Don't include <stdint.h>.
390 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
392 2012-09-18 Ian Lance Taylor <iant@google.com>
395 * Makefile.am (AM_CPPFLAGS): Define.
396 (AM_CFLAGS): Remove -I options.
397 * Makefile.in: Rebuild.
399 2012-09-18 Ian Lance Taylor <iant@google.com>
401 * posix.c (O_BINARY): Define if not defined.
402 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
403 HAVE_FCNTL is defined.
404 * configure.ac: Test for the fcntl function.
405 * configure, config.h.in: Rebuild.
407 2012-09-18 Ian Lance Taylor <iant@google.com>
409 * btest.c (test1, test2, test3, test4): Add the unused attribute.
411 2012-09-18 Ian Lance Taylor <iant@google.com>
413 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
415 2012-09-18 Ian Lance Taylor <iant@google.com>
417 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
418 * mmapio.c: Don't define _GNU_SOURCE.
419 * configure, config.h.in: Rebuild.
421 2012-09-18 Ian Lance Taylor <iant@google.com>
423 * configure.ac: Check whether strnlen is declared.
424 * dwarf.c: Declare strnlen if not declared.
425 * configure, config.h.in: Rebuild.
427 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
429 * fileline.c: Include <stdlib.h>.
432 2012-09-17 Ian Lance Taylor <iant@google.com>
435 * nounwind.c (backtrace_full): Rename from backtrace. Add state
438 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
441 * nounwind.c (backtrace_simple): Add state parameter.
443 2012-09-17 Ian Lance Taylor <iant@google.com>
446 * unknown.c (unknown_fileline): Add state parameter, remove
447 fileline_data parameter, name error_callback parameter.
448 (backtrace_initialize): Add state parameter.
450 2012-09-17 Ian Lance Taylor <iant@google.com>
452 * Initial implementation.