1 2014-10-30 Release Manager
5 2014-07-16 Release Manager
9 2014-05-08 Ian Lance Taylor <iant@google.com>
11 Backport from mainline:
12 * mmap.c (backtrace_free): If freeing a large aligned block of
13 memory, call munmap rather than holding onto it.
14 (backtrace_vector_grow): When growing a vector, double the number
15 of pages requested. When releasing the old version of a grown
16 vector, pass the correct size to backtrace_free.
18 2014-04-22 Release Manager
22 2014-03-07 Ian Lance Taylor <iant@google.com>
24 * sort.c (backtrace_qsort): Use middle element as pivot.
26 2014-03-06 Ian Lance Taylor <iant@google.com>
30 * internal.h (backtrace_qsort): Declare.
31 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
32 (read_line_info, read_function_entry): Likewise.
33 (read_function_info, build_dwarf_data): Likewise.
34 * elf.c (elf_initialize_syminfo): Likewise.
35 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
36 (stest_SOURCES, stest_LDADD): Define.
37 (check_PROGRAMS): Add stest.
39 2014-02-07 Misty De Meo <misty@brew.sh>
42 * configure.ac: Use AC_LINK_IFELSE in check for
44 * configure: Regenerate.
46 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
48 Update copyright years
50 2013-12-06 Jakub Jelinek <jakub@redhat.com>
52 * elf.c (ET_DYN): Undefine and define again.
53 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
54 return early -1 without closing the descriptor.
55 (struct phdr_data): Add exe_descriptor.
56 (phdr_callback): If pd->exe_descriptor is not -1, for very first
57 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
58 otherwise backtrace_close the exe_descriptor if not -1. Adjust
60 (backtrace_initialize): Adjust call to elf_add. If it returns
61 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
63 2013-12-05 Ian Lance Taylor <iant@google.com>
65 * alloc.c (backtrace_vector_finish): Add error_callback and data
66 parameters. Call backtrace_vector_release. Return address base.
67 * mmap.c (backtrace_vector_finish): Add error_callback and data
68 parameters. Return address base.
69 * dwarf.c (read_function_info): Get new address base from
70 backtrace_vector_finish.
71 * internal.h (backtrace_vector_finish): Update declaration.
73 2013-11-27 Ian Lance Taylor <iant@google.com>
75 * dwarf.c (find_address_ranges): New static function, broken out
77 (build_address_map): Call it.
78 * btest.c (check): Check for missing filename or function, rather
80 (f3): Check that enough frames were returned.
82 2013-11-19 Jakub Jelinek <jakub@redhat.com>
84 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
85 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
87 * btest.c (struct symdata): Add size field.
88 (callback_three): Add symsize argument. Copy it to the data->size
90 (f23): Set symdata.size to 0.
91 (test5): Likewise. If sizeof (int) > 1, lookup address of
92 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
95 * atomic.c: Include sys/types.h.
97 2013-11-18 Ian Lance Taylor <iant@google.com>
99 * configure.ac: Check for support of __atomic extensions.
100 * internal.h: Declare or #define atomic functions for use in
102 * atomic.c: New file.
103 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
104 (dwarf_fileline, backtrace_dwarf_add): Likewise.
105 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
106 (backtrace_initialize): Likewise.
107 * fileline.c (fileline_initialize): Likewise.
108 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
109 * configure, config.h.in, Makefile.in: Rebuild.
111 2013-11-18 Jakub Jelinek <jakub@redhat.com>
113 * elf.c (SHN_UNDEF): Define.
114 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
115 with st_shndx == SHN_UNDEF. Add base_address to address fields.
116 (elf_add): Adjust caller.
118 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
120 2013-11-16 Ian Lance Taylor <iant@google.com>
122 * backtrace.h (backtrace_create_state): Correct comment about
125 2013-11-15 Ian Lance Taylor <iant@google.com>
127 * backtrace.h (backtrace_syminfo): Update comment and parameter
128 name to take any address, not just a PC value.
129 * elf.c (STT_OBJECT): Define.
130 (elf_nosyms): Rename parameter pc to addr.
131 (elf_symbol_search): Rename local variable pc to addr.
132 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
133 (elf_syminfo): Rename parameter pc to addr.
134 * btest.c (global): New global variable.
138 2013-10-17 Ian Lance Taylor <iant@google.com>
140 * elf.c (elf_add): Don't get the wrong offsets if a debug section
143 2013-10-15 David Malcolm <dmalcolm@redhat.com>
145 * configure.ac: Add --enable-host-shared, setting up
146 pre-existing PIC_FLAG variable within Makefile.am et al.
147 * configure: Regenerate.
149 2013-09-20 Alan Modra <amodra@gmail.com>
151 * configure: Regenerate.
153 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
155 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
157 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
159 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
160 dl_iterate_phdr callbacks.
162 2013-03-25 Ian Lance Taylor <iant@google.com>
164 * alloc.c: #include <sys/types.h>.
167 2013-01-31 Ian Lance Taylor <iant@google.com>
169 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
170 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
172 2013-01-25 Jakub Jelinek <jakub@redhat.com>
175 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
176 attribute was not seen.
178 2013-01-16 Ian Lance Taylor <iant@google.com>
180 * dwarf.c (struct unit): Add filename and abs_filename fields.
181 (build_address_map): Set new fields when reading unit.
182 (dwarf_lookup_pc): If we don't find an entry in the line table,
183 just return the main file name.
185 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
187 Update copyright years.
189 2013-01-01 Ian Lance Taylor <iant@google.com>
192 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
193 $(MULTIBUILDTOP)/../../gcc/include.
194 * Makefile.in: Rebuild.
196 2013-01-01 Ian Lance Taylor <iant@google.com>
199 * mmap.c (backtrace_alloc): Don't call sync functions if not
201 (backtrace_free): Likewise.
203 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
205 * mmapio.c: Define MAP_FAILED if not defined.
207 2012-12-11 Jakub Jelinek <jakub@redhat.com>
210 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
211 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
212 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
214 * Makefile.in: Regenerated.
215 * configure: Regenerated.
217 2012-12-07 Jakub Jelinek <jakub@redhat.com>
220 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
221 * Makefile.in: Regenerated.
223 2012-11-20 Ian Lance Taylor <iant@google.com>
225 * dwarf.c (read_attribute): Always clear val.
227 2012-11-13 Ian Lance Taylor <iant@google.com>
230 * configure.ac: Only add -Werror if building a target library.
231 * configure: Rebuild.
233 2012-11-12 Ian Lance Taylor <iant@google.com>
234 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
235 Gerald Pfeifer <gerald@pfeifer.com>
237 * configure.ac: Check for getexecname.
238 * fileline.c: #include <errno.h>. Define getexecname if not
240 (fileline_initialize): Try to find the executable in a few
242 * print.c (error_callback): Only print the filename if it came
243 from the backtrace state.
244 * configure, config.h.in: Rebuild.
246 2012-10-29 Ian Lance Taylor <iant@google.com>
248 * mmap.c (backtrace_vector_release): Correct last patch: add
251 2012-10-29 Ian Lance Taylor <iant@google.com>
253 * mmap.c (backtrace_vector_release): Make sure freed block is
254 aligned on 8-byte boundary.
256 2012-10-26 Ian Lance Taylor <iant@google.com>
259 * posix.c (backtrace_open): Add does_not_exist parameter.
260 * elf.c (phdr_callback): Do not warn if shared library could not
262 * fileline.c (fileline_initialize): Update calls to
264 * internal.h (backtrace_open): Update declaration.
266 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
269 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
270 * configure: Regenerate.
272 2012-10-24 Ian Lance Taylor <iant@google.com>
275 * configure.ac: Check whether -funwind-tables option works.
276 * configure: Rebuild.
278 2012-10-11 Ian Lance Taylor <iant@google.com>
280 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
281 * configure: Rebuild.
283 2012-10-10 Ian Lance Taylor <iant@google.com>
285 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
288 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
290 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
292 2012-10-09 Ian Lance Taylor <iant@google.com>
294 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
295 (backtrace_dwarf_add): Likewise.
297 2012-10-09 Ian Lance Taylor <iant@google.com>
299 Add support for tracing through shared libraries.
300 * configure.ac: Check for link.h and dl_iterate_phdr.
301 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
302 ELF macros before #defining them.
303 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
305 (struct elf_syminfo_data): Add next field.
306 (elf_initialize_syminfo): Initialize next field.
307 (elf_add_syminfo_data): New static function.
308 (elf_add): New static function, broken out of
309 backtrace_initialize. Call backtrace_dwarf_add instead of
310 backtrace_dwarf_initialize.
311 (struct phdr_data): Define.
312 (phdr_callback): New static function.
313 (backtrace_initialize): Call elf_add.
314 * dwarf.c (struct dwarf_data): Add next and base_address fields.
315 (add_unit_addr): Add base_address parameter. Change all callers.
316 (add_unit_ranges, build_address_map): Likewise.
317 (add_line): Add ddata parameter. Change all callers.
318 (read_line_program, add_function_range): Likewise.
319 (dwarf_lookup_pc): New static function, broken out of
321 (dwarf_fileline): Call dwarf_lookup_pc.
322 (build_dwarf_data): New static function.
323 (backtrace_dwarf_add): New function.
324 (backtrace_dwarf_initialize): Remove.
325 * internal.h (backtrace_dwarf_initialize): Don't declare.
326 (backtrace_dwarf_add): Declare.
327 * configure, config.h.in: Rebuild.
329 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
331 * btest.c (f23): Avoid uninitialized variable warning.
333 2012-10-04 Ian Lance Taylor <iant@google.com>
335 * dwarf.c: If the system header files do not declare strnlen,
336 provide our own version.
338 2012-10-03 Ian Lance Taylor <iant@google.com>
340 * dwarf.c (read_uleb128): Fix overflow test.
341 (read_sleb128): Likewise.
342 (build_address_map): Don't change unit_buf.start.
344 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
347 * configure.ac (EXTRA_FLAGS): New.
348 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
349 * configure, Makefile.in: Regenerate.
351 2012-09-29 Ian Lance Taylor <iant@google.com>
354 * fileline.c (fileline_initialize): Pass errnum as -1 when
355 reporting that we could not read executable information after a
358 2012-09-27 Ian Lance Taylor <iant@google.com>
361 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
362 * Makefile.am: Add dependencies for all objects.
363 * configure, aclocal.m4, Makefile.in: Rebuild.
365 2012-09-27 Ian Lance Taylor <iant@google.com>
368 * elf.c (backtrace_initialize): Set *fileln_fn, not
371 2012-09-19 Ian Lance Taylor <iant@google.com>
373 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
375 * configure: Rebuild.
377 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
378 Ian Lance Taylor <iant@google.com>
380 * configure.ac (GCC_HEADER_STDINT): Invoke.
381 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
382 * btest.c: Don't include <stdint.h>.
384 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
386 2012-09-18 Ian Lance Taylor <iant@google.com>
389 * Makefile.am (AM_CPPFLAGS): Define.
390 (AM_CFLAGS): Remove -I options.
391 * Makefile.in: Rebuild.
393 2012-09-18 Ian Lance Taylor <iant@google.com>
395 * posix.c (O_BINARY): Define if not defined.
396 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
397 HAVE_FCNTL is defined.
398 * configure.ac: Test for the fcntl function.
399 * configure, config.h.in: Rebuild.
401 2012-09-18 Ian Lance Taylor <iant@google.com>
403 * btest.c (test1, test2, test3, test4): Add the unused attribute.
405 2012-09-18 Ian Lance Taylor <iant@google.com>
407 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
409 2012-09-18 Ian Lance Taylor <iant@google.com>
411 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
412 * mmapio.c: Don't define _GNU_SOURCE.
413 * configure, config.h.in: Rebuild.
415 2012-09-18 Ian Lance Taylor <iant@google.com>
417 * configure.ac: Check whether strnlen is declared.
418 * dwarf.c: Declare strnlen if not declared.
419 * configure, config.h.in: Rebuild.
421 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
423 * fileline.c: Include <stdlib.h>.
426 2012-09-17 Ian Lance Taylor <iant@google.com>
429 * nounwind.c (backtrace_full): Rename from backtrace. Add state
432 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
435 * nounwind.c (backtrace_simple): Add state parameter.
437 2012-09-17 Ian Lance Taylor <iant@google.com>
440 * unknown.c (unknown_fileline): Add state parameter, remove
441 fileline_data parameter, name error_callback parameter.
442 (backtrace_initialize): Add state parameter.
444 2012-09-17 Ian Lance Taylor <iant@google.com>
446 * Initial implementation.