1 2014-04-22 Release Manager
5 2014-03-07 Ian Lance Taylor <iant@google.com>
7 * sort.c (backtrace_qsort): Use middle element as pivot.
9 2014-03-06 Ian Lance Taylor <iant@google.com>
13 * internal.h (backtrace_qsort): Declare.
14 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
15 (read_line_info, read_function_entry): Likewise.
16 (read_function_info, build_dwarf_data): Likewise.
17 * elf.c (elf_initialize_syminfo): Likewise.
18 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
19 (stest_SOURCES, stest_LDADD): Define.
20 (check_PROGRAMS): Add stest.
22 2014-02-07 Misty De Meo <misty@brew.sh>
25 * configure.ac: Use AC_LINK_IFELSE in check for
27 * configure: Regenerate.
29 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
31 Update copyright years
33 2013-12-06 Jakub Jelinek <jakub@redhat.com>
35 * elf.c (ET_DYN): Undefine and define again.
36 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
37 return early -1 without closing the descriptor.
38 (struct phdr_data): Add exe_descriptor.
39 (phdr_callback): If pd->exe_descriptor is not -1, for very first
40 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
41 otherwise backtrace_close the exe_descriptor if not -1. Adjust
43 (backtrace_initialize): Adjust call to elf_add. If it returns
44 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
46 2013-12-05 Ian Lance Taylor <iant@google.com>
48 * alloc.c (backtrace_vector_finish): Add error_callback and data
49 parameters. Call backtrace_vector_release. Return address base.
50 * mmap.c (backtrace_vector_finish): Add error_callback and data
51 parameters. Return address base.
52 * dwarf.c (read_function_info): Get new address base from
53 backtrace_vector_finish.
54 * internal.h (backtrace_vector_finish): Update declaration.
56 2013-11-27 Ian Lance Taylor <iant@google.com>
58 * dwarf.c (find_address_ranges): New static function, broken out
60 (build_address_map): Call it.
61 * btest.c (check): Check for missing filename or function, rather
63 (f3): Check that enough frames were returned.
65 2013-11-19 Jakub Jelinek <jakub@redhat.com>
67 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
68 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
70 * btest.c (struct symdata): Add size field.
71 (callback_three): Add symsize argument. Copy it to the data->size
73 (f23): Set symdata.size to 0.
74 (test5): Likewise. If sizeof (int) > 1, lookup address of
75 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
78 * atomic.c: Include sys/types.h.
80 2013-11-18 Ian Lance Taylor <iant@google.com>
82 * configure.ac: Check for support of __atomic extensions.
83 * internal.h: Declare or #define atomic functions for use in
86 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
87 (dwarf_fileline, backtrace_dwarf_add): Likewise.
88 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
89 (backtrace_initialize): Likewise.
90 * fileline.c (fileline_initialize): Likewise.
91 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
92 * configure, config.h.in, Makefile.in: Rebuild.
94 2013-11-18 Jakub Jelinek <jakub@redhat.com>
96 * elf.c (SHN_UNDEF): Define.
97 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
98 with st_shndx == SHN_UNDEF. Add base_address to address fields.
99 (elf_add): Adjust caller.
101 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
103 2013-11-16 Ian Lance Taylor <iant@google.com>
105 * backtrace.h (backtrace_create_state): Correct comment about
108 2013-11-15 Ian Lance Taylor <iant@google.com>
110 * backtrace.h (backtrace_syminfo): Update comment and parameter
111 name to take any address, not just a PC value.
112 * elf.c (STT_OBJECT): Define.
113 (elf_nosyms): Rename parameter pc to addr.
114 (elf_symbol_search): Rename local variable pc to addr.
115 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
116 (elf_syminfo): Rename parameter pc to addr.
117 * btest.c (global): New global variable.
121 2013-10-17 Ian Lance Taylor <iant@google.com>
123 * elf.c (elf_add): Don't get the wrong offsets if a debug section
126 2013-10-15 David Malcolm <dmalcolm@redhat.com>
128 * configure.ac: Add --enable-host-shared, setting up
129 pre-existing PIC_FLAG variable within Makefile.am et al.
130 * configure: Regenerate.
132 2013-09-20 Alan Modra <amodra@gmail.com>
134 * configure: Regenerate.
136 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
138 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
140 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
142 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
143 dl_iterate_phdr callbacks.
145 2013-03-25 Ian Lance Taylor <iant@google.com>
147 * alloc.c: #include <sys/types.h>.
150 2013-01-31 Ian Lance Taylor <iant@google.com>
152 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
153 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
155 2013-01-25 Jakub Jelinek <jakub@redhat.com>
158 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
159 attribute was not seen.
161 2013-01-16 Ian Lance Taylor <iant@google.com>
163 * dwarf.c (struct unit): Add filename and abs_filename fields.
164 (build_address_map): Set new fields when reading unit.
165 (dwarf_lookup_pc): If we don't find an entry in the line table,
166 just return the main file name.
168 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
170 Update copyright years.
172 2013-01-01 Ian Lance Taylor <iant@google.com>
175 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
176 $(MULTIBUILDTOP)/../../gcc/include.
177 * Makefile.in: Rebuild.
179 2013-01-01 Ian Lance Taylor <iant@google.com>
182 * mmap.c (backtrace_alloc): Don't call sync functions if not
184 (backtrace_free): Likewise.
186 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
188 * mmapio.c: Define MAP_FAILED if not defined.
190 2012-12-11 Jakub Jelinek <jakub@redhat.com>
193 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
194 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
195 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
197 * Makefile.in: Regenerated.
198 * configure: Regenerated.
200 2012-12-07 Jakub Jelinek <jakub@redhat.com>
203 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
204 * Makefile.in: Regenerated.
206 2012-11-20 Ian Lance Taylor <iant@google.com>
208 * dwarf.c (read_attribute): Always clear val.
210 2012-11-13 Ian Lance Taylor <iant@google.com>
213 * configure.ac: Only add -Werror if building a target library.
214 * configure: Rebuild.
216 2012-11-12 Ian Lance Taylor <iant@google.com>
217 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
218 Gerald Pfeifer <gerald@pfeifer.com>
220 * configure.ac: Check for getexecname.
221 * fileline.c: #include <errno.h>. Define getexecname if not
223 (fileline_initialize): Try to find the executable in a few
225 * print.c (error_callback): Only print the filename if it came
226 from the backtrace state.
227 * configure, config.h.in: Rebuild.
229 2012-10-29 Ian Lance Taylor <iant@google.com>
231 * mmap.c (backtrace_vector_release): Correct last patch: add
234 2012-10-29 Ian Lance Taylor <iant@google.com>
236 * mmap.c (backtrace_vector_release): Make sure freed block is
237 aligned on 8-byte boundary.
239 2012-10-26 Ian Lance Taylor <iant@google.com>
242 * posix.c (backtrace_open): Add does_not_exist parameter.
243 * elf.c (phdr_callback): Do not warn if shared library could not
245 * fileline.c (fileline_initialize): Update calls to
247 * internal.h (backtrace_open): Update declaration.
249 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
252 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
253 * configure: Regenerate.
255 2012-10-24 Ian Lance Taylor <iant@google.com>
258 * configure.ac: Check whether -funwind-tables option works.
259 * configure: Rebuild.
261 2012-10-11 Ian Lance Taylor <iant@google.com>
263 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
264 * configure: Rebuild.
266 2012-10-10 Ian Lance Taylor <iant@google.com>
268 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
271 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
273 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
275 2012-10-09 Ian Lance Taylor <iant@google.com>
277 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
278 (backtrace_dwarf_add): Likewise.
280 2012-10-09 Ian Lance Taylor <iant@google.com>
282 Add support for tracing through shared libraries.
283 * configure.ac: Check for link.h and dl_iterate_phdr.
284 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
285 ELF macros before #defining them.
286 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
288 (struct elf_syminfo_data): Add next field.
289 (elf_initialize_syminfo): Initialize next field.
290 (elf_add_syminfo_data): New static function.
291 (elf_add): New static function, broken out of
292 backtrace_initialize. Call backtrace_dwarf_add instead of
293 backtrace_dwarf_initialize.
294 (struct phdr_data): Define.
295 (phdr_callback): New static function.
296 (backtrace_initialize): Call elf_add.
297 * dwarf.c (struct dwarf_data): Add next and base_address fields.
298 (add_unit_addr): Add base_address parameter. Change all callers.
299 (add_unit_ranges, build_address_map): Likewise.
300 (add_line): Add ddata parameter. Change all callers.
301 (read_line_program, add_function_range): Likewise.
302 (dwarf_lookup_pc): New static function, broken out of
304 (dwarf_fileline): Call dwarf_lookup_pc.
305 (build_dwarf_data): New static function.
306 (backtrace_dwarf_add): New function.
307 (backtrace_dwarf_initialize): Remove.
308 * internal.h (backtrace_dwarf_initialize): Don't declare.
309 (backtrace_dwarf_add): Declare.
310 * configure, config.h.in: Rebuild.
312 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
314 * btest.c (f23): Avoid uninitialized variable warning.
316 2012-10-04 Ian Lance Taylor <iant@google.com>
318 * dwarf.c: If the system header files do not declare strnlen,
319 provide our own version.
321 2012-10-03 Ian Lance Taylor <iant@google.com>
323 * dwarf.c (read_uleb128): Fix overflow test.
324 (read_sleb128): Likewise.
325 (build_address_map): Don't change unit_buf.start.
327 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
330 * configure.ac (EXTRA_FLAGS): New.
331 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
332 * configure, Makefile.in: Regenerate.
334 2012-09-29 Ian Lance Taylor <iant@google.com>
337 * fileline.c (fileline_initialize): Pass errnum as -1 when
338 reporting that we could not read executable information after a
341 2012-09-27 Ian Lance Taylor <iant@google.com>
344 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
345 * Makefile.am: Add dependencies for all objects.
346 * configure, aclocal.m4, Makefile.in: Rebuild.
348 2012-09-27 Ian Lance Taylor <iant@google.com>
351 * elf.c (backtrace_initialize): Set *fileln_fn, not
354 2012-09-19 Ian Lance Taylor <iant@google.com>
356 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
358 * configure: Rebuild.
360 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
361 Ian Lance Taylor <iant@google.com>
363 * configure.ac (GCC_HEADER_STDINT): Invoke.
364 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
365 * btest.c: Don't include <stdint.h>.
367 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
369 2012-09-18 Ian Lance Taylor <iant@google.com>
372 * Makefile.am (AM_CPPFLAGS): Define.
373 (AM_CFLAGS): Remove -I options.
374 * Makefile.in: Rebuild.
376 2012-09-18 Ian Lance Taylor <iant@google.com>
378 * posix.c (O_BINARY): Define if not defined.
379 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
380 HAVE_FCNTL is defined.
381 * configure.ac: Test for the fcntl function.
382 * configure, config.h.in: Rebuild.
384 2012-09-18 Ian Lance Taylor <iant@google.com>
386 * btest.c (test1, test2, test3, test4): Add the unused attribute.
388 2012-09-18 Ian Lance Taylor <iant@google.com>
390 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
392 2012-09-18 Ian Lance Taylor <iant@google.com>
394 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
395 * mmapio.c: Don't define _GNU_SOURCE.
396 * configure, config.h.in: Rebuild.
398 2012-09-18 Ian Lance Taylor <iant@google.com>
400 * configure.ac: Check whether strnlen is declared.
401 * dwarf.c: Declare strnlen if not declared.
402 * configure, config.h.in: Rebuild.
404 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
406 * fileline.c: Include <stdlib.h>.
409 2012-09-17 Ian Lance Taylor <iant@google.com>
412 * nounwind.c (backtrace_full): Rename from backtrace. Add state
415 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
418 * nounwind.c (backtrace_simple): Add state parameter.
420 2012-09-17 Ian Lance Taylor <iant@google.com>
423 * unknown.c (unknown_fileline): Add state parameter, remove
424 fileline_data parameter, name error_callback parameter.
425 (backtrace_initialize): Add state parameter.
427 2012-09-17 Ian Lance Taylor <iant@google.com>
429 * Initial implementation.