[gcc.git] / libbacktrace / ChangeLog

2013-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR other/56076
	* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
	attribute was not seen.

2013-01-16  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (struct unit): Add filename and abs_filename fields.
	(build_address_map): Set new fields when reading unit.
	(dwarf_lookup_pc): If we don't find an entry in the line table,
	just return the main file name.

2013-01-14  Richard Sandiford  <rdsandiford@googlemail.com>

	Update copyright years.

2013-01-01  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54834
	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
	$(MULTIBUILDTOP)/../../gcc/include.
	* Makefile.in: Rebuild.

2013-01-01  Ian Lance Taylor  <iant@google.com>

	PR other/55536
	* mmap.c (backtrace_alloc): Don't call sync functions if not
	threaded.
	(backtrace_free): Likewise.

2012-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* mmapio.c: Define MAP_FAILED if not defined.

2012-12-11  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/54926
	* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
	* configure.ac: If --with-target-subdir, add -frandom-seed=$@
	to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
	accepts it.
	* Makefile.in: Regenerated.
	* configure: Regenerated.

2012-12-07  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/54926
	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
	* Makefile.in: Regenerated.

2012-11-20  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (read_attribute): Always clear val.

2012-11-13  Ian Lance Taylor  <iant@google.com>

	PR other/55312
	* configure.ac: Only add -Werror if building a target library.
	* configure: Rebuild.

2012-11-12  Ian Lance Taylor  <iant@google.com>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Gerald Pfeifer  <gerald@pfeifer.com>

	* configure.ac: Check for getexecname.
	* fileline.c: #include <errno.h>.  Define getexecname if not
	available.
	(fileline_initialize): Try to find the executable in a few
	different ways.
	* print.c (error_callback): Only print the filename if it came
	from the backtrace state.
	* configure, config.h.in: Rebuild.

2012-10-29  Ian Lance Taylor  <iant@google.com>

	* mmap.c (backtrace_vector_release): Correct last patch: add
	aligned, not size.

2012-10-29  Ian Lance Taylor  <iant@google.com>

	* mmap.c (backtrace_vector_release): Make sure freed block is
	aligned on 8-byte boundary.

2012-10-26  Ian Lance Taylor  <iant@google.com>

	PR other/55087
	* posix.c (backtrace_open): Add does_not_exist parameter.
	* elf.c (phdr_callback): Do not warn if shared library could not
	be opened.
	* fileline.c (fileline_initialize): Update calls to
	backtrace_open.
	* internal.h (backtrace_open): Update declaration.

2012-10-26  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/55061
	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	* configure: Regenerate.

2012-10-24  Ian Lance Taylor  <iant@google.com>

	PR target/55061
	* configure.ac: Check whether -funwind-tables option works.
	* configure: Rebuild.

2012-10-11  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
	* configure: Rebuild.

2012-10-10  Ian Lance Taylor  <iant@google.com>

	* elf.c: Rename all Elf typedefs to start with b_elf, and be all
	lower case.

2012-10-10  Hans-Peter Nilsson  <hp@bitrange.com>

	* elf.c (elf_add_syminfo_data): Add casts to avoid warning.

2012-10-09  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (dwarf_fileline): Add cast to avoid warning.
	(backtrace_dwarf_add): Likewise.

2012-10-09  Ian Lance Taylor  <iant@google.com>

	Add support for tracing through shared libraries.
	* configure.ac: Check for link.h and dl_iterate_phdr.
	* elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
	ELF macros before #defining them.
	(dl_phdr_info, dl_iterate_phdr): Define if system does not have
	dl_iterate_phdr.
	(struct elf_syminfo_data): Add next field.
	(elf_initialize_syminfo): Initialize next field.
	(elf_add_syminfo_data): New static function.
	(elf_add): New static function, broken out of
	backtrace_initialize.  Call backtrace_dwarf_add instead of
	backtrace_dwarf_initialize.
	(struct phdr_data): Define.
	(phdr_callback): New static function.
	(backtrace_initialize): Call elf_add.
	* dwarf.c (struct dwarf_data): Add next and base_address fields.
	(add_unit_addr): Add base_address parameter.  Change all callers.
	(add_unit_ranges, build_address_map): Likewise.
	(add_line): Add ddata parameter.  Change all callers.
	(read_line_program, add_function_range): Likewise.
	(dwarf_lookup_pc): New static function, broken out of
	dwarf_fileline.
	(dwarf_fileline): Call dwarf_lookup_pc.
	(build_dwarf_data): New static function.
	(backtrace_dwarf_add): New function.
	(backtrace_dwarf_initialize): Remove.
	* internal.h (backtrace_dwarf_initialize): Don't declare.
	(backtrace_dwarf_add): Declare.
	* configure, config.h.in: Rebuild.

2012-10-04  Gerald Pfeifer  <gerald@pfeifer.com>

	* btest.c (f23): Avoid uninitialized variable warning.

2012-10-04  Ian Lance Taylor  <iant@google.com>

	* dwarf.c: If the system header files do not declare strnlen,
	provide our own version.

2012-10-03  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (read_uleb128): Fix overflow test.
	(read_sleb128): Likewise.
	(build_address_map): Don't change unit_buf.start.

2012-10-02  Uros Bizjak  <ubizjak@gmail.com>

	PR other/54761
	* configure.ac (EXTRA_FLAGS): New.
	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
	* configure, Makefile.in: Regenerate.

2012-09-29  Ian Lance Taylor  <iant@google.com>

	PR other/54749
	* fileline.c (fileline_initialize): Pass errnum as -1 when
	reporting that we could not read executable information after a
	previous failure.

2012-09-27  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54732
	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
	* Makefile.am: Add dependencies for all objects.
	* configure, aclocal.m4, Makefile.in: Rebuild.

2012-09-27  Ian Lance Taylor  <iant@google.com>

	PR other/54726
	* elf.c (backtrace_initialize): Set *fileln_fn, not
	state->fileln_fn.

2012-09-19  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
	as a target library.
	* configure: Rebuild.

2012-09-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Ian Lance Taylor  <iant@google.com>

        * configure.ac (GCC_HEADER_STDINT): Invoke.
        * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
        * btest.c: Don't include <stdint.h>.
        * dwarf.c: Likewise.
        * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54623
	* Makefile.am (AM_CPPFLAGS): Define.
	(AM_CFLAGS): Remove -I options.
	* Makefile.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* posix.c (O_BINARY): Define if not defined.
	(backtrace_open): Pass O_BINARY to open.  Only call fcntl if
	HAVE_FCNTL is defined.
	* configure.ac: Test for the fcntl function.
	* configure, config.h.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* btest.c (test1, test2, test3, test4): Add the unused attribute.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* dwarf.c: Correct test of HAVE_DECL_STRNLEN.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
	* mmapio.c: Don't define _GNU_SOURCE.
	* configure, config.h.in: Rebuild.

2012-09-18  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Check whether strnlen is declared.
	* dwarf.c: Declare strnlen if not declared.
	* configure, config.h.in: Rebuild.

2012-09-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* fileline.c: Include <stdlib.h>.
	* mmap.c: Likewise.

2012-09-17  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54611
	* nounwind.c (backtrace_full): Rename from backtrace.  Add state
	parameter.

2012-09-17  Gerald Pfeifer  <gerald@pfeifer.com>

	PR bootstrap/54611
	* nounwind.c (backtrace_simple): Add state parameter.

2012-09-17  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/54609
	* unknown.c (unknown_fileline): Add state parameter, remove
	fileline_data parameter, name error_callback parameter.
	(backtrace_initialize): Add state parameter.

2012-09-17  Ian Lance Taylor  <iant@google.com>

	* Initial implementation.
Commit	Line	Data
1e678aed JJ	1	2013-01-25 Jakub Jelinek <jakub@redhat.com>
	2
	3	PR other/56076
	4	* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
	5	attribute was not seen.
	6
6b514c53 ILT	7	2013-01-16 Ian Lance Taylor <iant@google.com>
	8
	9	* dwarf.c (struct unit): Add filename and abs_filename fields.
	10	(build_address_map): Set new fields when reading unit.
	11	(dwarf_lookup_pc): If we don't find an entry in the line table,
	12	just return the main file name.
	13
f8a7e1a4 RS	14	2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
	15
	16	Update copyright years.
	17
c3de1960 ILT	18	2013-01-01 Ian Lance Taylor <iant@google.com>
	19
	20	PR bootstrap/54834
	21	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
	22	$(MULTIBUILDTOP)/../../gcc/include.
	23	* Makefile.in: Rebuild.
	24
2a5195d9 ILT	25	2013-01-01 Ian Lance Taylor <iant@google.com>
	26
	27	PR other/55536
	28	* mmap.c (backtrace_alloc): Don't call sync functions if not
	29	threaded.
	30	(backtrace_free): Likewise.
	31
85619b6f JDA	32	2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
	33
	34	* mmapio.c: Define MAP_FAILED if not defined.
	35
36a58fb3 JJ	36	2012-12-11 Jakub Jelinek <jakub@redhat.com>
	37
	38	PR bootstrap/54926
	39	* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
	40	* configure.ac: If --with-target-subdir, add -frandom-seed=$@
	41	to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
	42	accepts it.
	43	* Makefile.in: Regenerated.
	44	* configure: Regenerated.
	45
a58dfde0 JJ	46	2012-12-07 Jakub Jelinek <jakub@redhat.com>
	47
	48	PR bootstrap/54926
	49	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
	50	* Makefile.in: Regenerated.
	51
b20ade36 ILT	52	2012-11-20 Ian Lance Taylor <iant@google.com>
	53
	54	* dwarf.c (read_attribute): Always clear val.
	55
73c3ed27 ILT	56	2012-11-13 Ian Lance Taylor <iant@google.com>
	57
	58	PR other/55312
	59	* configure.ac: Only add -Werror if building a target library.
2a5195d9	60	* configure: Rebuild.
73c3ed27	61
33521509 ILT	62	2012-11-12 Ian Lance Taylor <iant@google.com>
	63	Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	64	Gerald Pfeifer <gerald@pfeifer.com>
	65
	66	* configure.ac: Check for getexecname.
	67	* fileline.c: #include <errno.h>. Define getexecname if not
	68	available.
	69	(fileline_initialize): Try to find the executable in a few
	70	different ways.
	71	* print.c (error_callback): Only print the filename if it came
	72	from the backtrace state.
	73	* configure, config.h.in: Rebuild.
	74
8fe91dea ILT	75	2012-10-29 Ian Lance Taylor <iant@google.com>
	76
	77	* mmap.c (backtrace_vector_release): Correct last patch: add
	78	aligned, not size.
	79
8277de34 ILT	80	2012-10-29 Ian Lance Taylor <iant@google.com>
	81
	82	* mmap.c (backtrace_vector_release): Make sure freed block is
	83	aligned on 8-byte boundary.
	84
73f41491 ILT	85	2012-10-26 Ian Lance Taylor <iant@google.com>
	86
	87	PR other/55087
	88	* posix.c (backtrace_open): Add does_not_exist parameter.
	89	* elf.c (phdr_callback): Do not warn if shared library could not
	90	be opened.
	91	* fileline.c (fileline_initialize): Update calls to
	92	backtrace_open.
	93	* internal.h (backtrace_open): Update declaration.
	94
385710cf JH	95	2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
	96
	97	PR target/55061
	98	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	99	* configure: Regenerate.
	100
32061319 ILT	101	2012-10-24 Ian Lance Taylor <iant@google.com>
	102
	103	PR target/55061
	104	* configure.ac: Check whether -funwind-tables option works.
	105	* configure: Rebuild.
	106
5551b12c ILT	107	2012-10-11 Ian Lance Taylor <iant@google.com>
	108
	109	* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
	110	* configure: Rebuild.
	111
40d15b5b ILT	112	2012-10-10 Ian Lance Taylor <iant@google.com>
	113
	114	* elf.c: Rename all Elf typedefs to start with b_elf, and be all
	115	lower case.
	116
74f80620 HPN	117	2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
	118
	119	* elf.c (elf_add_syminfo_data): Add casts to avoid warning.
	120
ce8aa074 ILT	121	2012-10-09 Ian Lance Taylor <iant@google.com>
	122
	123	* dwarf.c (dwarf_fileline): Add cast to avoid warning.
	124	(backtrace_dwarf_add): Likewise.
	125
e561a992 ILT	126	2012-10-09 Ian Lance Taylor <iant@google.com>
	127
	128	Add support for tracing through shared libraries.
	129	* configure.ac: Check for link.h and dl_iterate_phdr.
	130	* elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
	131	ELF macros before #defining them.
	132	(dl_phdr_info, dl_iterate_phdr): Define if system does not have
	133	dl_iterate_phdr.
	134	(struct elf_syminfo_data): Add next field.
	135	(elf_initialize_syminfo): Initialize next field.
	136	(elf_add_syminfo_data): New static function.
	137	(elf_add): New static function, broken out of
	138	backtrace_initialize. Call backtrace_dwarf_add instead of
	139	backtrace_dwarf_initialize.
	140	(struct phdr_data): Define.
	141	(phdr_callback): New static function.
	142	(backtrace_initialize): Call elf_add.
	143	* dwarf.c (struct dwarf_data): Add next and base_address fields.
	144	(add_unit_addr): Add base_address parameter. Change all callers.
	145	(add_unit_ranges, build_address_map): Likewise.
	146	(add_line): Add ddata parameter. Change all callers.
	147	(read_line_program, add_function_range): Likewise.
	148	(dwarf_lookup_pc): New static function, broken out of
	149	dwarf_fileline.
	150	(dwarf_fileline): Call dwarf_lookup_pc.
	151	(build_dwarf_data): New static function.
	152	(backtrace_dwarf_add): New function.
	153	(backtrace_dwarf_initialize): Remove.
	154	* internal.h (backtrace_dwarf_initialize): Don't declare.
	155	(backtrace_dwarf_add): Declare.
	156	* configure, config.h.in: Rebuild.
	157
068ef6d1 GP	158	2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
	159
	160	* btest.c (f23): Avoid uninitialized variable warning.
e561a992	161
244e2d9c ILT	162	2012-10-04 Ian Lance Taylor <iant@google.com>
	163
	164	* dwarf.c: If the system header files do not declare strnlen,
	165	provide our own version.
	166
be4ba8ae ILT	167	2012-10-03 Ian Lance Taylor <iant@google.com>
	168
	169	* dwarf.c (read_uleb128): Fix overflow test.
	170	(read_sleb128): Likewise.
	171	(build_address_map): Don't change unit_buf.start.
	172
56195009 UB	173	2012-10-02 Uros Bizjak <ubizjak@gmail.com>
56195009 UB	174
faf86a02 UB	175	PR other/54761
faf86a02 UB	176	* configure.ac (EXTRA_FLAGS): New.
56195009	177	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
faf86a02	178	* configure, Makefile.in: Regenerate.
56195009	179
8a447b3d ILT	180	2012-09-29 Ian Lance Taylor <iant@google.com>
	181
	182	PR other/54749
	183	* fileline.c (fileline_initialize): Pass errnum as -1 when
	184	reporting that we could not read executable information after a
	185	previous failure.
	186
af710874 ILT	187	2012-09-27 Ian Lance Taylor <iant@google.com>
	188
	189	PR bootstrap/54732
	190	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
	191	* Makefile.am: Add dependencies for all objects.
	192	* configure, aclocal.m4, Makefile.in: Rebuild.
	193
588f4f8f ILT	194	2012-09-27 Ian Lance Taylor <iant@google.com>
	195
	196	PR other/54726
	197	* elf.c (backtrace_initialize): Set *fileln_fn, not
	198	state->fileln_fn.
	199
64b89453 ILT	200	2012-09-19 Ian Lance Taylor <iant@google.com>
	201
	202	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
	203	as a target library.
	204	* configure: Rebuild.
	205
76850556 RO	206	2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	207	Ian Lance Taylor <iant@google.com>
	208
	209	* configure.ac (GCC_HEADER_STDINT): Invoke.
	210	* backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
	211	* btest.c: Don't include <stdint.h>.
	212	* dwarf.c: Likewise.
	213	* configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
	214
9425c00b ILT	215	2012-09-18 Ian Lance Taylor <iant@google.com>
	216
	217	PR bootstrap/54623
	218	* Makefile.am (AM_CPPFLAGS): Define.
	219	(AM_CFLAGS): Remove -I options.
	220	* Makefile.in: Rebuild.
	221
3319ef17 ILT	222	2012-09-18 Ian Lance Taylor <iant@google.com>
	223
	224	* posix.c (O_BINARY): Define if not defined.
	225	(backtrace_open): Pass O_BINARY to open. Only call fcntl if
	226	HAVE_FCNTL is defined.
	227	* configure.ac: Test for the fcntl function.
	228	* configure, config.h.in: Rebuild.
	229
bd3e497d ILT	230	2012-09-18 Ian Lance Taylor <iant@google.com>
	231
	232	* btest.c (test1, test2, test3, test4): Add the unused attribute.
	233
30e15876 ILT	234	2012-09-18 Ian Lance Taylor <iant@google.com>
	235
	236	* dwarf.c: Correct test of HAVE_DECL_STRNLEN.
	237
d4c059d5 ILT	238	2012-09-18 Ian Lance Taylor <iant@google.com>
	239
	240	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
	241	* mmapio.c: Don't define _GNU_SOURCE.
	242	* configure, config.h.in: Rebuild.
	243
772a71a9 ILT	244	2012-09-18 Ian Lance Taylor <iant@google.com>
	245
	246	* configure.ac: Check whether strnlen is declared.
	247	* dwarf.c: Declare strnlen if not declared.
	248	* configure, config.h.in: Rebuild.
	249
c0558468 RO	250	2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	251
	252	* fileline.c: Include <stdlib.h>.
	253	* mmap.c: Likewise.
	254
c5812e0b ILT	255	2012-09-17 Ian Lance Taylor <iant@google.com>
	256
	257	PR bootstrap/54611
	258	* nounwind.c (backtrace_full): Rename from backtrace. Add state
	259	parameter.
	260
e8f4008a GP	261	2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
	262
	263	PR bootstrap/54611
	264	* nounwind.c (backtrace_simple): Add state parameter.
	265
f588eb27 ILT	266	2012-09-17 Ian Lance Taylor <iant@google.com>
	267
	268	PR bootstrap/54609
	269	* unknown.c (unknown_fileline): Add state parameter, remove
	270	fileline_data parameter, name error_callback parameter.
	271	(backtrace_initialize): Add state parameter.
	272
eff02e4f ILT	273	2012-09-17 Ian Lance Taylor <iant@google.com>
	274
	275	* Initial implementation.