1 2015-01-26 Matthias Klose <doko@ubuntu.com>
3 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
4 * configure: Regenerate.
6 2014-10-30 Release Manager
10 2014-07-16 Release Manager
14 2014-05-08 Ian Lance Taylor <iant@google.com>
16 Backport from mainline:
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 2014-04-22 Release Manager
27 2014-03-07 Ian Lance Taylor <iant@google.com>
29 * sort.c (backtrace_qsort): Use middle element as pivot.
31 2014-03-06 Ian Lance Taylor <iant@google.com>
35 * internal.h (backtrace_qsort): Declare.
36 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
37 (read_line_info, read_function_entry): Likewise.
38 (read_function_info, build_dwarf_data): Likewise.
39 * elf.c (elf_initialize_syminfo): Likewise.
40 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
41 (stest_SOURCES, stest_LDADD): Define.
42 (check_PROGRAMS): Add stest.
44 2014-02-07 Misty De Meo <misty@brew.sh>
47 * configure.ac: Use AC_LINK_IFELSE in check for
49 * configure: Regenerate.
51 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
53 Update copyright years
55 2013-12-06 Jakub Jelinek <jakub@redhat.com>
57 * elf.c (ET_DYN): Undefine and define again.
58 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
59 return early -1 without closing the descriptor.
60 (struct phdr_data): Add exe_descriptor.
61 (phdr_callback): If pd->exe_descriptor is not -1, for very first
62 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
63 otherwise backtrace_close the exe_descriptor if not -1. Adjust
65 (backtrace_initialize): Adjust call to elf_add. If it returns
66 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
68 2013-12-05 Ian Lance Taylor <iant@google.com>
70 * alloc.c (backtrace_vector_finish): Add error_callback and data
71 parameters. Call backtrace_vector_release. Return address base.
72 * mmap.c (backtrace_vector_finish): Add error_callback and data
73 parameters. Return address base.
74 * dwarf.c (read_function_info): Get new address base from
75 backtrace_vector_finish.
76 * internal.h (backtrace_vector_finish): Update declaration.
78 2013-11-27 Ian Lance Taylor <iant@google.com>
80 * dwarf.c (find_address_ranges): New static function, broken out
82 (build_address_map): Call it.
83 * btest.c (check): Check for missing filename or function, rather
85 (f3): Check that enough frames were returned.
87 2013-11-19 Jakub Jelinek <jakub@redhat.com>
89 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
90 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
92 * btest.c (struct symdata): Add size field.
93 (callback_three): Add symsize argument. Copy it to the data->size
95 (f23): Set symdata.size to 0.
96 (test5): Likewise. If sizeof (int) > 1, lookup address of
97 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
100 * atomic.c: Include sys/types.h.
102 2013-11-18 Ian Lance Taylor <iant@google.com>
104 * configure.ac: Check for support of __atomic extensions.
105 * internal.h: Declare or #define atomic functions for use in
107 * atomic.c: New file.
108 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
109 (dwarf_fileline, backtrace_dwarf_add): Likewise.
110 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
111 (backtrace_initialize): Likewise.
112 * fileline.c (fileline_initialize): Likewise.
113 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
114 * configure, config.h.in, Makefile.in: Rebuild.
116 2013-11-18 Jakub Jelinek <jakub@redhat.com>
118 * elf.c (SHN_UNDEF): Define.
119 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
120 with st_shndx == SHN_UNDEF. Add base_address to address fields.
121 (elf_add): Adjust caller.
123 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
125 2013-11-16 Ian Lance Taylor <iant@google.com>
127 * backtrace.h (backtrace_create_state): Correct comment about
130 2013-11-15 Ian Lance Taylor <iant@google.com>
132 * backtrace.h (backtrace_syminfo): Update comment and parameter
133 name to take any address, not just a PC value.
134 * elf.c (STT_OBJECT): Define.
135 (elf_nosyms): Rename parameter pc to addr.
136 (elf_symbol_search): Rename local variable pc to addr.
137 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
138 (elf_syminfo): Rename parameter pc to addr.
139 * btest.c (global): New global variable.
143 2013-10-17 Ian Lance Taylor <iant@google.com>
145 * elf.c (elf_add): Don't get the wrong offsets if a debug section
148 2013-10-15 David Malcolm <dmalcolm@redhat.com>
150 * configure.ac: Add --enable-host-shared, setting up
151 pre-existing PIC_FLAG variable within Makefile.am et al.
152 * configure: Regenerate.
154 2013-09-20 Alan Modra <amodra@gmail.com>
156 * configure: Regenerate.
158 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
160 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
162 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
164 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
165 dl_iterate_phdr callbacks.
167 2013-03-25 Ian Lance Taylor <iant@google.com>
169 * alloc.c: #include <sys/types.h>.
172 2013-01-31 Ian Lance Taylor <iant@google.com>
174 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
175 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
177 2013-01-25 Jakub Jelinek <jakub@redhat.com>
180 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
181 attribute was not seen.
183 2013-01-16 Ian Lance Taylor <iant@google.com>
185 * dwarf.c (struct unit): Add filename and abs_filename fields.
186 (build_address_map): Set new fields when reading unit.
187 (dwarf_lookup_pc): If we don't find an entry in the line table,
188 just return the main file name.
190 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
192 Update copyright years.
194 2013-01-01 Ian Lance Taylor <iant@google.com>
197 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
198 $(MULTIBUILDTOP)/../../gcc/include.
199 * Makefile.in: Rebuild.
201 2013-01-01 Ian Lance Taylor <iant@google.com>
204 * mmap.c (backtrace_alloc): Don't call sync functions if not
206 (backtrace_free): Likewise.
208 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
210 * mmapio.c: Define MAP_FAILED if not defined.
212 2012-12-11 Jakub Jelinek <jakub@redhat.com>
215 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
216 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
217 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
219 * Makefile.in: Regenerated.
220 * configure: Regenerated.
222 2012-12-07 Jakub Jelinek <jakub@redhat.com>
225 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
226 * Makefile.in: Regenerated.
228 2012-11-20 Ian Lance Taylor <iant@google.com>
230 * dwarf.c (read_attribute): Always clear val.
232 2012-11-13 Ian Lance Taylor <iant@google.com>
235 * configure.ac: Only add -Werror if building a target library.
236 * configure: Rebuild.
238 2012-11-12 Ian Lance Taylor <iant@google.com>
239 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
240 Gerald Pfeifer <gerald@pfeifer.com>
242 * configure.ac: Check for getexecname.
243 * fileline.c: #include <errno.h>. Define getexecname if not
245 (fileline_initialize): Try to find the executable in a few
247 * print.c (error_callback): Only print the filename if it came
248 from the backtrace state.
249 * configure, config.h.in: Rebuild.
251 2012-10-29 Ian Lance Taylor <iant@google.com>
253 * mmap.c (backtrace_vector_release): Correct last patch: add
256 2012-10-29 Ian Lance Taylor <iant@google.com>
258 * mmap.c (backtrace_vector_release): Make sure freed block is
259 aligned on 8-byte boundary.
261 2012-10-26 Ian Lance Taylor <iant@google.com>
264 * posix.c (backtrace_open): Add does_not_exist parameter.
265 * elf.c (phdr_callback): Do not warn if shared library could not
267 * fileline.c (fileline_initialize): Update calls to
269 * internal.h (backtrace_open): Update declaration.
271 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
274 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
275 * configure: Regenerate.
277 2012-10-24 Ian Lance Taylor <iant@google.com>
280 * configure.ac: Check whether -funwind-tables option works.
281 * configure: Rebuild.
283 2012-10-11 Ian Lance Taylor <iant@google.com>
285 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
286 * configure: Rebuild.
288 2012-10-10 Ian Lance Taylor <iant@google.com>
290 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
293 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
295 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
297 2012-10-09 Ian Lance Taylor <iant@google.com>
299 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
300 (backtrace_dwarf_add): Likewise.
302 2012-10-09 Ian Lance Taylor <iant@google.com>
304 Add support for tracing through shared libraries.
305 * configure.ac: Check for link.h and dl_iterate_phdr.
306 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
307 ELF macros before #defining them.
308 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
310 (struct elf_syminfo_data): Add next field.
311 (elf_initialize_syminfo): Initialize next field.
312 (elf_add_syminfo_data): New static function.
313 (elf_add): New static function, broken out of
314 backtrace_initialize. Call backtrace_dwarf_add instead of
315 backtrace_dwarf_initialize.
316 (struct phdr_data): Define.
317 (phdr_callback): New static function.
318 (backtrace_initialize): Call elf_add.
319 * dwarf.c (struct dwarf_data): Add next and base_address fields.
320 (add_unit_addr): Add base_address parameter. Change all callers.
321 (add_unit_ranges, build_address_map): Likewise.
322 (add_line): Add ddata parameter. Change all callers.
323 (read_line_program, add_function_range): Likewise.
324 (dwarf_lookup_pc): New static function, broken out of
326 (dwarf_fileline): Call dwarf_lookup_pc.
327 (build_dwarf_data): New static function.
328 (backtrace_dwarf_add): New function.
329 (backtrace_dwarf_initialize): Remove.
330 * internal.h (backtrace_dwarf_initialize): Don't declare.
331 (backtrace_dwarf_add): Declare.
332 * configure, config.h.in: Rebuild.
334 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
336 * btest.c (f23): Avoid uninitialized variable warning.
338 2012-10-04 Ian Lance Taylor <iant@google.com>
340 * dwarf.c: If the system header files do not declare strnlen,
341 provide our own version.
343 2012-10-03 Ian Lance Taylor <iant@google.com>
345 * dwarf.c (read_uleb128): Fix overflow test.
346 (read_sleb128): Likewise.
347 (build_address_map): Don't change unit_buf.start.
349 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
352 * configure.ac (EXTRA_FLAGS): New.
353 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
354 * configure, Makefile.in: Regenerate.
356 2012-09-29 Ian Lance Taylor <iant@google.com>
359 * fileline.c (fileline_initialize): Pass errnum as -1 when
360 reporting that we could not read executable information after a
363 2012-09-27 Ian Lance Taylor <iant@google.com>
366 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
367 * Makefile.am: Add dependencies for all objects.
368 * configure, aclocal.m4, Makefile.in: Rebuild.
370 2012-09-27 Ian Lance Taylor <iant@google.com>
373 * elf.c (backtrace_initialize): Set *fileln_fn, not
376 2012-09-19 Ian Lance Taylor <iant@google.com>
378 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
380 * configure: Rebuild.
382 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
383 Ian Lance Taylor <iant@google.com>
385 * configure.ac (GCC_HEADER_STDINT): Invoke.
386 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
387 * btest.c: Don't include <stdint.h>.
389 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
391 2012-09-18 Ian Lance Taylor <iant@google.com>
394 * Makefile.am (AM_CPPFLAGS): Define.
395 (AM_CFLAGS): Remove -I options.
396 * Makefile.in: Rebuild.
398 2012-09-18 Ian Lance Taylor <iant@google.com>
400 * posix.c (O_BINARY): Define if not defined.
401 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
402 HAVE_FCNTL is defined.
403 * configure.ac: Test for the fcntl function.
404 * configure, config.h.in: Rebuild.
406 2012-09-18 Ian Lance Taylor <iant@google.com>
408 * btest.c (test1, test2, test3, test4): Add the unused attribute.
410 2012-09-18 Ian Lance Taylor <iant@google.com>
412 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
414 2012-09-18 Ian Lance Taylor <iant@google.com>
416 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
417 * mmapio.c: Don't define _GNU_SOURCE.
418 * configure, config.h.in: Rebuild.
420 2012-09-18 Ian Lance Taylor <iant@google.com>
422 * configure.ac: Check whether strnlen is declared.
423 * dwarf.c: Declare strnlen if not declared.
424 * configure, config.h.in: Rebuild.
426 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
428 * fileline.c: Include <stdlib.h>.
431 2012-09-17 Ian Lance Taylor <iant@google.com>
434 * nounwind.c (backtrace_full): Rename from backtrace. Add state
437 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
440 * nounwind.c (backtrace_simple): Add state parameter.
442 2012-09-17 Ian Lance Taylor <iant@google.com>
445 * unknown.c (unknown_fileline): Add state parameter, remove
446 fileline_data parameter, name error_callback parameter.
447 (backtrace_initialize): Add state parameter.
449 2012-09-17 Ian Lance Taylor <iant@google.com>
451 * Initial implementation.