1 2015-06-11 Martin Sebor <msebor@redhat.com>
4 * dwarf.c (struct line): Add new field idx.
5 (line_compare): Use it.
7 (read_line_info): Reset it.
9 2015-05-29 Tristan Gingold <gingold@adacore.com>
12 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
13 * Makefile.in: Regenerate.
14 * filetype.awk: Detect pecoff.
15 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
17 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
19 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
20 * configure: Regenerate.
23 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
25 * Makefile.in: Regenerated with automake-1.11.6.
26 * aclocal.m4: Likewise.
27 * configure: Likewise.
29 2015-01-24 Matthias Klose <doko@ubuntu.com>
31 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
32 * configure: Regenerate.
34 2015-01-05 Jakub Jelinek <jakub@redhat.com>
36 Update copyright years.
38 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
41 * configure: Regenerated.
43 2014-11-11 David Malcolm <dmalcolm@redhat.com>
47 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
50 * configure: Regenerate.
52 2014-10-23 Ian Lance Taylor <iant@google.com>
54 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
57 2014-05-08 Ian Lance Taylor <iant@google.com>
59 * mmap.c (backtrace_free): If freeing a large aligned block of
60 memory, call munmap rather than holding onto it.
61 (backtrace_vector_grow): When growing a vector, double the number
62 of pages requested. When releasing the old version of a grown
63 vector, pass the correct size to backtrace_free.
65 2014-03-07 Ian Lance Taylor <iant@google.com>
67 * sort.c (backtrace_qsort): Use middle element as pivot.
69 2014-03-06 Ian Lance Taylor <iant@google.com>
73 * internal.h (backtrace_qsort): Declare.
74 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
75 (read_line_info, read_function_entry): Likewise.
76 (read_function_info, build_dwarf_data): Likewise.
77 * elf.c (elf_initialize_syminfo): Likewise.
78 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
79 (stest_SOURCES, stest_LDADD): Define.
80 (check_PROGRAMS): Add stest.
82 2014-02-07 Misty De Meo <misty@brew.sh>
85 * configure.ac: Use AC_LINK_IFELSE in check for
87 * configure: Regenerate.
89 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
91 Update copyright years
93 2013-12-06 Jakub Jelinek <jakub@redhat.com>
95 * elf.c (ET_DYN): Undefine and define again.
96 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
97 return early -1 without closing the descriptor.
98 (struct phdr_data): Add exe_descriptor.
99 (phdr_callback): If pd->exe_descriptor is not -1, for very first
100 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
101 otherwise backtrace_close the exe_descriptor if not -1. Adjust
103 (backtrace_initialize): Adjust call to elf_add. If it returns
104 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
106 2013-12-05 Ian Lance Taylor <iant@google.com>
108 * alloc.c (backtrace_vector_finish): Add error_callback and data
109 parameters. Call backtrace_vector_release. Return address base.
110 * mmap.c (backtrace_vector_finish): Add error_callback and data
111 parameters. Return address base.
112 * dwarf.c (read_function_info): Get new address base from
113 backtrace_vector_finish.
114 * internal.h (backtrace_vector_finish): Update declaration.
116 2013-11-27 Ian Lance Taylor <iant@google.com>
118 * dwarf.c (find_address_ranges): New static function, broken out
119 of build_address_map.
120 (build_address_map): Call it.
121 * btest.c (check): Check for missing filename or function, rather
123 (f3): Check that enough frames were returned.
125 2013-11-19 Jakub Jelinek <jakub@redhat.com>
127 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
128 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
130 * btest.c (struct symdata): Add size field.
131 (callback_three): Add symsize argument. Copy it to the data->size
133 (f23): Set symdata.size to 0.
134 (test5): Likewise. If sizeof (int) > 1, lookup address of
135 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
138 * atomic.c: Include sys/types.h.
140 2013-11-18 Ian Lance Taylor <iant@google.com>
142 * configure.ac: Check for support of __atomic extensions.
143 * internal.h: Declare or #define atomic functions for use in
145 * atomic.c: New file.
146 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
147 (dwarf_fileline, backtrace_dwarf_add): Likewise.
148 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
149 (backtrace_initialize): Likewise.
150 * fileline.c (fileline_initialize): Likewise.
151 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
152 * configure, config.h.in, Makefile.in: Rebuild.
154 2013-11-18 Jakub Jelinek <jakub@redhat.com>
156 * elf.c (SHN_UNDEF): Define.
157 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
158 with st_shndx == SHN_UNDEF. Add base_address to address fields.
159 (elf_add): Adjust caller.
161 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
163 2013-11-16 Ian Lance Taylor <iant@google.com>
165 * backtrace.h (backtrace_create_state): Correct comment about
168 2013-11-15 Ian Lance Taylor <iant@google.com>
170 * backtrace.h (backtrace_syminfo): Update comment and parameter
171 name to take any address, not just a PC value.
172 * elf.c (STT_OBJECT): Define.
173 (elf_nosyms): Rename parameter pc to addr.
174 (elf_symbol_search): Rename local variable pc to addr.
175 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
176 (elf_syminfo): Rename parameter pc to addr.
177 * btest.c (global): New global variable.
181 2013-10-17 Ian Lance Taylor <iant@google.com>
183 * elf.c (elf_add): Don't get the wrong offsets if a debug section
186 2013-10-15 David Malcolm <dmalcolm@redhat.com>
188 * configure.ac: Add --enable-host-shared, setting up
189 pre-existing PIC_FLAG variable within Makefile.am et al.
190 * configure: Regenerate.
192 2013-09-20 Alan Modra <amodra@gmail.com>
194 * configure: Regenerate.
196 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
198 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
200 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
202 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
203 dl_iterate_phdr callbacks.
205 2013-03-25 Ian Lance Taylor <iant@google.com>
207 * alloc.c: #include <sys/types.h>.
210 2013-01-31 Ian Lance Taylor <iant@google.com>
212 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
213 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
215 2013-01-25 Jakub Jelinek <jakub@redhat.com>
218 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
219 attribute was not seen.
221 2013-01-16 Ian Lance Taylor <iant@google.com>
223 * dwarf.c (struct unit): Add filename and abs_filename fields.
224 (build_address_map): Set new fields when reading unit.
225 (dwarf_lookup_pc): If we don't find an entry in the line table,
226 just return the main file name.
228 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
230 Update copyright years.
232 2013-01-01 Ian Lance Taylor <iant@google.com>
235 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
236 $(MULTIBUILDTOP)/../../gcc/include.
237 * Makefile.in: Rebuild.
239 2013-01-01 Ian Lance Taylor <iant@google.com>
242 * mmap.c (backtrace_alloc): Don't call sync functions if not
244 (backtrace_free): Likewise.
246 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
248 * mmapio.c: Define MAP_FAILED if not defined.
250 2012-12-11 Jakub Jelinek <jakub@redhat.com>
253 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
254 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
255 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
257 * Makefile.in: Regenerated.
258 * configure: Regenerated.
260 2012-12-07 Jakub Jelinek <jakub@redhat.com>
263 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
264 * Makefile.in: Regenerated.
266 2012-11-20 Ian Lance Taylor <iant@google.com>
268 * dwarf.c (read_attribute): Always clear val.
270 2012-11-13 Ian Lance Taylor <iant@google.com>
273 * configure.ac: Only add -Werror if building a target library.
274 * configure: Rebuild.
276 2012-11-12 Ian Lance Taylor <iant@google.com>
277 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
278 Gerald Pfeifer <gerald@pfeifer.com>
280 * configure.ac: Check for getexecname.
281 * fileline.c: #include <errno.h>. Define getexecname if not
283 (fileline_initialize): Try to find the executable in a few
285 * print.c (error_callback): Only print the filename if it came
286 from the backtrace state.
287 * configure, config.h.in: Rebuild.
289 2012-10-29 Ian Lance Taylor <iant@google.com>
291 * mmap.c (backtrace_vector_release): Correct last patch: add
294 2012-10-29 Ian Lance Taylor <iant@google.com>
296 * mmap.c (backtrace_vector_release): Make sure freed block is
297 aligned on 8-byte boundary.
299 2012-10-26 Ian Lance Taylor <iant@google.com>
302 * posix.c (backtrace_open): Add does_not_exist parameter.
303 * elf.c (phdr_callback): Do not warn if shared library could not
305 * fileline.c (fileline_initialize): Update calls to
307 * internal.h (backtrace_open): Update declaration.
309 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
312 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
313 * configure: Regenerate.
315 2012-10-24 Ian Lance Taylor <iant@google.com>
318 * configure.ac: Check whether -funwind-tables option works.
319 * configure: Rebuild.
321 2012-10-11 Ian Lance Taylor <iant@google.com>
323 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
324 * configure: Rebuild.
326 2012-10-10 Ian Lance Taylor <iant@google.com>
328 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
331 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
333 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
335 2012-10-09 Ian Lance Taylor <iant@google.com>
337 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
338 (backtrace_dwarf_add): Likewise.
340 2012-10-09 Ian Lance Taylor <iant@google.com>
342 Add support for tracing through shared libraries.
343 * configure.ac: Check for link.h and dl_iterate_phdr.
344 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
345 ELF macros before #defining them.
346 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
348 (struct elf_syminfo_data): Add next field.
349 (elf_initialize_syminfo): Initialize next field.
350 (elf_add_syminfo_data): New static function.
351 (elf_add): New static function, broken out of
352 backtrace_initialize. Call backtrace_dwarf_add instead of
353 backtrace_dwarf_initialize.
354 (struct phdr_data): Define.
355 (phdr_callback): New static function.
356 (backtrace_initialize): Call elf_add.
357 * dwarf.c (struct dwarf_data): Add next and base_address fields.
358 (add_unit_addr): Add base_address parameter. Change all callers.
359 (add_unit_ranges, build_address_map): Likewise.
360 (add_line): Add ddata parameter. Change all callers.
361 (read_line_program, add_function_range): Likewise.
362 (dwarf_lookup_pc): New static function, broken out of
364 (dwarf_fileline): Call dwarf_lookup_pc.
365 (build_dwarf_data): New static function.
366 (backtrace_dwarf_add): New function.
367 (backtrace_dwarf_initialize): Remove.
368 * internal.h (backtrace_dwarf_initialize): Don't declare.
369 (backtrace_dwarf_add): Declare.
370 * configure, config.h.in: Rebuild.
372 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
374 * btest.c (f23): Avoid uninitialized variable warning.
376 2012-10-04 Ian Lance Taylor <iant@google.com>
378 * dwarf.c: If the system header files do not declare strnlen,
379 provide our own version.
381 2012-10-03 Ian Lance Taylor <iant@google.com>
383 * dwarf.c (read_uleb128): Fix overflow test.
384 (read_sleb128): Likewise.
385 (build_address_map): Don't change unit_buf.start.
387 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
390 * configure.ac (EXTRA_FLAGS): New.
391 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
392 * configure, Makefile.in: Regenerate.
394 2012-09-29 Ian Lance Taylor <iant@google.com>
397 * fileline.c (fileline_initialize): Pass errnum as -1 when
398 reporting that we could not read executable information after a
401 2012-09-27 Ian Lance Taylor <iant@google.com>
404 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
405 * Makefile.am: Add dependencies for all objects.
406 * configure, aclocal.m4, Makefile.in: Rebuild.
408 2012-09-27 Ian Lance Taylor <iant@google.com>
411 * elf.c (backtrace_initialize): Set *fileln_fn, not
414 2012-09-19 Ian Lance Taylor <iant@google.com>
416 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
418 * configure: Rebuild.
420 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
421 Ian Lance Taylor <iant@google.com>
423 * configure.ac (GCC_HEADER_STDINT): Invoke.
424 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
425 * btest.c: Don't include <stdint.h>.
427 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
429 2012-09-18 Ian Lance Taylor <iant@google.com>
432 * Makefile.am (AM_CPPFLAGS): Define.
433 (AM_CFLAGS): Remove -I options.
434 * Makefile.in: Rebuild.
436 2012-09-18 Ian Lance Taylor <iant@google.com>
438 * posix.c (O_BINARY): Define if not defined.
439 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
440 HAVE_FCNTL is defined.
441 * configure.ac: Test for the fcntl function.
442 * configure, config.h.in: Rebuild.
444 2012-09-18 Ian Lance Taylor <iant@google.com>
446 * btest.c (test1, test2, test3, test4): Add the unused attribute.
448 2012-09-18 Ian Lance Taylor <iant@google.com>
450 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
452 2012-09-18 Ian Lance Taylor <iant@google.com>
454 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
455 * mmapio.c: Don't define _GNU_SOURCE.
456 * configure, config.h.in: Rebuild.
458 2012-09-18 Ian Lance Taylor <iant@google.com>
460 * configure.ac: Check whether strnlen is declared.
461 * dwarf.c: Declare strnlen if not declared.
462 * configure, config.h.in: Rebuild.
464 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
466 * fileline.c: Include <stdlib.h>.
469 2012-09-17 Ian Lance Taylor <iant@google.com>
472 * nounwind.c (backtrace_full): Rename from backtrace. Add state
475 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
478 * nounwind.c (backtrace_simple): Add state parameter.
480 2012-09-17 Ian Lance Taylor <iant@google.com>
483 * unknown.c (unknown_fileline): Add state parameter, remove
484 fileline_data parameter, name error_callback parameter.
485 (backtrace_initialize): Add state parameter.
487 2012-09-17 Ian Lance Taylor <iant@google.com>
489 * Initial implementation.