1 2013-11-19 Jakub Jelinek <jakub@redhat.com>
3 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
4 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
6 * btest.c (struct symdata): Add size field.
7 (callback_three): Add symsize argument. Copy it to the data->size
9 (f23): Set symdata.size to 0.
10 (test5): Likewise. If sizeof (int) > 1, lookup address of
11 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
14 * atomic.c: Include sys/types.h.
16 2013-11-18 Ian Lance Taylor <iant@google.com>
18 * configure.ac: Check for support of __atomic extensions.
19 * internal.h: Declare or #define atomic functions for use in
22 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
23 (dwarf_fileline, backtrace_dwarf_add): Likewise.
24 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
25 (backtrace_initialize): Likewise.
26 * fileline.c (fileline_initialize): Likewise.
27 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
28 * configure, config.h.in, Makefile.in: Rebuild.
30 2013-11-18 Jakub Jelinek <jakub@redhat.com>
32 * elf.c (SHN_UNDEF): Define.
33 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
34 with st_shndx == SHN_UNDEF. Add base_address to address fields.
35 (elf_add): Adjust caller.
37 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
39 2013-11-16 Ian Lance Taylor <iant@google.com>
41 * backtrace.h (backtrace_create_state): Correct comment about
44 2013-11-15 Ian Lance Taylor <iant@google.com>
46 * backtrace.h (backtrace_syminfo): Update comment and parameter
47 name to take any address, not just a PC value.
48 * elf.c (STT_OBJECT): Define.
49 (elf_nosyms): Rename parameter pc to addr.
50 (elf_symbol_search): Rename local variable pc to addr.
51 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
52 (elf_syminfo): Rename parameter pc to addr.
53 * btest.c (global): New global variable.
57 2013-10-17 Ian Lance Taylor <iant@google.com>
59 * elf.c (elf_add): Don't get the wrong offsets if a debug section
62 2013-10-15 David Malcolm <dmalcolm@redhat.com>
64 * configure.ac: Add --enable-host-shared, setting up
65 pre-existing PIC_FLAG variable within Makefile.am et al.
66 * configure: Regenerate.
68 2013-09-20 Alan Modra <amodra@gmail.com>
70 * configure: Regenerate.
72 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
74 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
76 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
78 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
79 dl_iterate_phdr callbacks.
81 2013-03-25 Ian Lance Taylor <iant@google.com>
83 * alloc.c: #include <sys/types.h>.
86 2013-01-31 Ian Lance Taylor <iant@google.com>
88 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
89 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
91 2013-01-25 Jakub Jelinek <jakub@redhat.com>
94 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
95 attribute was not seen.
97 2013-01-16 Ian Lance Taylor <iant@google.com>
99 * dwarf.c (struct unit): Add filename and abs_filename fields.
100 (build_address_map): Set new fields when reading unit.
101 (dwarf_lookup_pc): If we don't find an entry in the line table,
102 just return the main file name.
104 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
106 Update copyright years.
108 2013-01-01 Ian Lance Taylor <iant@google.com>
111 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
112 $(MULTIBUILDTOP)/../../gcc/include.
113 * Makefile.in: Rebuild.
115 2013-01-01 Ian Lance Taylor <iant@google.com>
118 * mmap.c (backtrace_alloc): Don't call sync functions if not
120 (backtrace_free): Likewise.
122 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
124 * mmapio.c: Define MAP_FAILED if not defined.
126 2012-12-11 Jakub Jelinek <jakub@redhat.com>
129 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
130 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
131 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
133 * Makefile.in: Regenerated.
134 * configure: Regenerated.
136 2012-12-07 Jakub Jelinek <jakub@redhat.com>
139 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
140 * Makefile.in: Regenerated.
142 2012-11-20 Ian Lance Taylor <iant@google.com>
144 * dwarf.c (read_attribute): Always clear val.
146 2012-11-13 Ian Lance Taylor <iant@google.com>
149 * configure.ac: Only add -Werror if building a target library.
150 * configure: Rebuild.
152 2012-11-12 Ian Lance Taylor <iant@google.com>
153 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
154 Gerald Pfeifer <gerald@pfeifer.com>
156 * configure.ac: Check for getexecname.
157 * fileline.c: #include <errno.h>. Define getexecname if not
159 (fileline_initialize): Try to find the executable in a few
161 * print.c (error_callback): Only print the filename if it came
162 from the backtrace state.
163 * configure, config.h.in: Rebuild.
165 2012-10-29 Ian Lance Taylor <iant@google.com>
167 * mmap.c (backtrace_vector_release): Correct last patch: add
170 2012-10-29 Ian Lance Taylor <iant@google.com>
172 * mmap.c (backtrace_vector_release): Make sure freed block is
173 aligned on 8-byte boundary.
175 2012-10-26 Ian Lance Taylor <iant@google.com>
178 * posix.c (backtrace_open): Add does_not_exist parameter.
179 * elf.c (phdr_callback): Do not warn if shared library could not
181 * fileline.c (fileline_initialize): Update calls to
183 * internal.h (backtrace_open): Update declaration.
185 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
188 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
189 * configure: Regenerate.
191 2012-10-24 Ian Lance Taylor <iant@google.com>
194 * configure.ac: Check whether -funwind-tables option works.
195 * configure: Rebuild.
197 2012-10-11 Ian Lance Taylor <iant@google.com>
199 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
200 * configure: Rebuild.
202 2012-10-10 Ian Lance Taylor <iant@google.com>
204 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
207 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
209 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
211 2012-10-09 Ian Lance Taylor <iant@google.com>
213 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
214 (backtrace_dwarf_add): Likewise.
216 2012-10-09 Ian Lance Taylor <iant@google.com>
218 Add support for tracing through shared libraries.
219 * configure.ac: Check for link.h and dl_iterate_phdr.
220 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
221 ELF macros before #defining them.
222 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
224 (struct elf_syminfo_data): Add next field.
225 (elf_initialize_syminfo): Initialize next field.
226 (elf_add_syminfo_data): New static function.
227 (elf_add): New static function, broken out of
228 backtrace_initialize. Call backtrace_dwarf_add instead of
229 backtrace_dwarf_initialize.
230 (struct phdr_data): Define.
231 (phdr_callback): New static function.
232 (backtrace_initialize): Call elf_add.
233 * dwarf.c (struct dwarf_data): Add next and base_address fields.
234 (add_unit_addr): Add base_address parameter. Change all callers.
235 (add_unit_ranges, build_address_map): Likewise.
236 (add_line): Add ddata parameter. Change all callers.
237 (read_line_program, add_function_range): Likewise.
238 (dwarf_lookup_pc): New static function, broken out of
240 (dwarf_fileline): Call dwarf_lookup_pc.
241 (build_dwarf_data): New static function.
242 (backtrace_dwarf_add): New function.
243 (backtrace_dwarf_initialize): Remove.
244 * internal.h (backtrace_dwarf_initialize): Don't declare.
245 (backtrace_dwarf_add): Declare.
246 * configure, config.h.in: Rebuild.
248 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
250 * btest.c (f23): Avoid uninitialized variable warning.
252 2012-10-04 Ian Lance Taylor <iant@google.com>
254 * dwarf.c: If the system header files do not declare strnlen,
255 provide our own version.
257 2012-10-03 Ian Lance Taylor <iant@google.com>
259 * dwarf.c (read_uleb128): Fix overflow test.
260 (read_sleb128): Likewise.
261 (build_address_map): Don't change unit_buf.start.
263 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
266 * configure.ac (EXTRA_FLAGS): New.
267 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
268 * configure, Makefile.in: Regenerate.
270 2012-09-29 Ian Lance Taylor <iant@google.com>
273 * fileline.c (fileline_initialize): Pass errnum as -1 when
274 reporting that we could not read executable information after a
277 2012-09-27 Ian Lance Taylor <iant@google.com>
280 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
281 * Makefile.am: Add dependencies for all objects.
282 * configure, aclocal.m4, Makefile.in: Rebuild.
284 2012-09-27 Ian Lance Taylor <iant@google.com>
287 * elf.c (backtrace_initialize): Set *fileln_fn, not
290 2012-09-19 Ian Lance Taylor <iant@google.com>
292 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
294 * configure: Rebuild.
296 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
297 Ian Lance Taylor <iant@google.com>
299 * configure.ac (GCC_HEADER_STDINT): Invoke.
300 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
301 * btest.c: Don't include <stdint.h>.
303 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
305 2012-09-18 Ian Lance Taylor <iant@google.com>
308 * Makefile.am (AM_CPPFLAGS): Define.
309 (AM_CFLAGS): Remove -I options.
310 * Makefile.in: Rebuild.
312 2012-09-18 Ian Lance Taylor <iant@google.com>
314 * posix.c (O_BINARY): Define if not defined.
315 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
316 HAVE_FCNTL is defined.
317 * configure.ac: Test for the fcntl function.
318 * configure, config.h.in: Rebuild.
320 2012-09-18 Ian Lance Taylor <iant@google.com>
322 * btest.c (test1, test2, test3, test4): Add the unused attribute.
324 2012-09-18 Ian Lance Taylor <iant@google.com>
326 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
328 2012-09-18 Ian Lance Taylor <iant@google.com>
330 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
331 * mmapio.c: Don't define _GNU_SOURCE.
332 * configure, config.h.in: Rebuild.
334 2012-09-18 Ian Lance Taylor <iant@google.com>
336 * configure.ac: Check whether strnlen is declared.
337 * dwarf.c: Declare strnlen if not declared.
338 * configure, config.h.in: Rebuild.
340 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
342 * fileline.c: Include <stdlib.h>.
345 2012-09-17 Ian Lance Taylor <iant@google.com>
348 * nounwind.c (backtrace_full): Rename from backtrace. Add state
351 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
354 * nounwind.c (backtrace_simple): Add state parameter.
356 2012-09-17 Ian Lance Taylor <iant@google.com>
359 * unknown.c (unknown_fileline): Add state parameter, remove
360 fileline_data parameter, name error_callback parameter.
361 (backtrace_initialize): Add state parameter.
363 2012-09-17 Ian Lance Taylor <iant@google.com>
365 * Initial implementation.