[thirdparty/gcc.git] / libbacktrace / ChangeLog

2014-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	Update copyright years

2013-12-06  Jakub Jelinek  <jakub@redhat.com>

	* elf.c (ET_DYN): Undefine and define again.
	(elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
	return early -1 without closing the descriptor.
	(struct phdr_data): Add exe_descriptor.
	(phdr_callback): If pd->exe_descriptor is not -1, for very first
	call if dlpi_name is NULL just call elf_add with the exe_descriptor,
	otherwise backtrace_close the exe_descriptor if not -1.  Adjust
	call to elf_add.
	(backtrace_initialize): Adjust call to elf_add.  If it returns
	-1, set pd.exe_descriptor to descriptor, otherwise set it to -1.

2013-12-05  Ian Lance Taylor  <iant@google.com>

	* alloc.c (backtrace_vector_finish): Add error_callback and data
	parameters.  Call backtrace_vector_release.  Return address base.
	* mmap.c (backtrace_vector_finish): Add error_callback and data
	parameters.  Return address base.
	* dwarf.c (read_function_info): Get new address base from
	backtrace_vector_finish.
	* internal.h (backtrace_vector_finish): Update declaration.

2013-11-27  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (find_address_ranges): New static function, broken out
	of build_address_map.
	(build_address_map): Call it.
	* btest.c (check): Check for missing filename or function, rather
	than crashing.
	(f3): Check that enough frames were returned.

2013-11-19  Jakub Jelinek  <jakub@redhat.com>

	* backtrace.h (backtrace_syminfo_callback): Add symsize argument.
	* elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
	last argument.
	* btest.c (struct symdata): Add size field.
	(callback_three): Add symsize argument.  Copy it to the data->size
	field.
	(f23): Set symdata.size to 0.
	(test5): Likewise.  If sizeof (int) > 1, lookup address of
	((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
	values.

	* atomic.c: Include sys/types.h.

2013-11-18  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Check for support of __atomic extensions.
	* internal.h: Declare or #define atomic functions for use in
	backtrace code.
	* atomic.c: New file.
	* dwarf.c (dwarf_lookup_pc): Use atomic functions.
	(dwarf_fileline, backtrace_dwarf_add): Likewise.
	* elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
	(backtrace_initialize): Likewise.
	* fileline.c (fileline_initialize): Likewise.
	* Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
	* configure, config.h.in, Makefile.in: Rebuild.

2013-11-18  Jakub Jelinek  <jakub@redhat.com>

	* elf.c (SHN_UNDEF): Define.
	(elf_initialize_syminfo): Add base_address argument.  Ignore symbols
	with st_shndx == SHN_UNDEF.  Add base_address to address fields.
	(elf_add): Adjust caller.

	* elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.

2013-11-16  Ian Lance Taylor  <iant@google.com>

	* backtrace.h (backtrace_create_state): Correct comment about
	threading.

2013-11-15  Ian Lance Taylor  <iant@google.com>

	* backtrace.h (backtrace_syminfo): Update comment and parameter
	name to take any address, not just a PC value.
	* elf.c (STT_OBJECT): Define.
	(elf_nosyms): Rename parameter pc to addr.
	(elf_symbol_search): Rename local variable pc to addr.
	(elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
	(elf_syminfo): Rename parameter pc to addr.
	* btest.c (global): New global variable.
	(test5): New test.
	(main): Call test5.

2013-10-17  Ian Lance Taylor  <iant@google.com>

	* elf.c (elf_add): Don't get the wrong offsets if a debug section
	is missing.

2013-10-15  David Malcolm  <dmalcolm@redhat.com>

	* configure.ac: Add --enable-host-shared, setting up
	pre-existing PIC_FLAG variable within Makefile.am et al.
	* configure: Regenerate.

2013-09-20  Alan Modra  <amodra@gmail.com>

	* configure: Regenerate.

2013-07-23  Alexander Monakov  <amonakov@ispras.ru>

	* elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.

2013-07-23  Alexander Monakov  <amonakov@ispras.ru>

	* elf.c (backtrace_initialize): Pass elf_fileline_fn to
	dl_iterate_phdr callbacks.

2013-03-25  Ian Lance Taylor  <iant@google.com>

	* alloc.c: #include <sys/types.h>.
	* mmap.c: Likewise.

2013-01-31  Ian Lance Taylor  <iant@google.com>

	* dwarf.c (read_function_info): Permit fvec parameter to be NULL.
	(dwarf_lookup_pc): Don't use ddata->fvec if threaded.

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
afeba5cb RS	1	2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
	2
	3	Update copyright years
	4
0284b52e JJ	5	2013-12-06 Jakub Jelinek <jakub@redhat.com>
	6
	7	* elf.c (ET_DYN): Undefine and define again.
	8	(elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
	9	return early -1 without closing the descriptor.
	10	(struct phdr_data): Add exe_descriptor.
	11	(phdr_callback): If pd->exe_descriptor is not -1, for very first
	12	call if dlpi_name is NULL just call elf_add with the exe_descriptor,
	13	otherwise backtrace_close the exe_descriptor if not -1. Adjust
	14	call to elf_add.
	15	(backtrace_initialize): Adjust call to elf_add. If it returns
	16	-1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
	17
bfd74f22 ILT	18	2013-12-05 Ian Lance Taylor <iant@google.com>
	19
	20	* alloc.c (backtrace_vector_finish): Add error_callback and data
	21	parameters. Call backtrace_vector_release. Return address base.
	22	* mmap.c (backtrace_vector_finish): Add error_callback and data
	23	parameters. Return address base.
	24	* dwarf.c (read_function_info): Get new address base from
	25	backtrace_vector_finish.
	26	* internal.h (backtrace_vector_finish): Update declaration.
	27
b8ddd61b ILT	28	2013-11-27 Ian Lance Taylor <iant@google.com>
	29
	30	* dwarf.c (find_address_ranges): New static function, broken out
	31	of build_address_map.
	32	(build_address_map): Call it.
	33	* btest.c (check): Check for missing filename or function, rather
	34	than crashing.
	35	(f3): Check that enough frames were returned.
	36
64856e1e JJ	37	2013-11-19 Jakub Jelinek <jakub@redhat.com>
64856e1e JJ	38
1f96a712 JJ	39	* backtrace.h (backtrace_syminfo_callback): Add symsize argument.
	40	* elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
	41	last argument.
	42	* btest.c (struct symdata): Add size field.
	43	(callback_three): Add symsize argument. Copy it to the data->size
	44	field.
	45	(f23): Set symdata.size to 0.
	46	(test5): Likewise. If sizeof (int) > 1, lookup address of
	47	((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
	48	values.
	49
64856e1e JJ	50	* atomic.c: Include sys/types.h.
64856e1e JJ	51
49579c7e ILT	52	2013-11-18 Ian Lance Taylor <iant@google.com>
	53
	54	* configure.ac: Check for support of __atomic extensions.
	55	* internal.h: Declare or #define atomic functions for use in
	56	backtrace code.
	57	* atomic.c: New file.
	58	* dwarf.c (dwarf_lookup_pc): Use atomic functions.
	59	(dwarf_fileline, backtrace_dwarf_add): Likewise.
	60	* elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
	61	(backtrace_initialize): Likewise.
	62	* fileline.c (fileline_initialize): Likewise.
	63	* Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
	64	* configure, config.h.in, Makefile.in: Rebuild.
	65
582f5a2d JJ	66	2013-11-18 Jakub Jelinek <jakub@redhat.com>
582f5a2d JJ	67
f1857815 JJ	68	* elf.c (SHN_UNDEF): Define.
	69	(elf_initialize_syminfo): Add base_address argument. Ignore symbols
	70	with st_shndx == SHN_UNDEF. Add base_address to address fields.
	71	(elf_add): Adjust caller.
	72
582f5a2d JJ	73	* elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
582f5a2d JJ	74
25e6253e ILT	75	2013-11-16 Ian Lance Taylor <iant@google.com>
	76
	77	* backtrace.h (backtrace_create_state): Correct comment about
	78	threading.
	79
cfa658e4 ILT	80	2013-11-15 Ian Lance Taylor <iant@google.com>
	81
	82	* backtrace.h (backtrace_syminfo): Update comment and parameter
	83	name to take any address, not just a PC value.
	84	* elf.c (STT_OBJECT): Define.
	85	(elf_nosyms): Rename parameter pc to addr.
	86	(elf_symbol_search): Rename local variable pc to addr.
	87	(elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
	88	(elf_syminfo): Rename parameter pc to addr.
	89	* btest.c (global): New global variable.
	90	(test5): New test.
	91	(main): Call test5.
	92
6c084a5b ILT	93	2013-10-17 Ian Lance Taylor <iant@google.com>
	94
	95	* elf.c (elf_add): Don't get the wrong offsets if a debug section
	96	is missing.
	97
459260ec DM	98	2013-10-15 David Malcolm <dmalcolm@redhat.com>
	99
	100	* configure.ac: Add --enable-host-shared, setting up
	101	pre-existing PIC_FLAG variable within Makefile.am et al.
	102	* configure: Regenerate.
	103
3cbe17f7 AM	104	2013-09-20 Alan Modra <amodra@gmail.com>
	105
	106	* configure: Regenerate.
	107
78625ce6 AM	108	2013-07-23 Alexander Monakov <amonakov@ispras.ru>
	109
	110	* elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
	111
0153887c AM	112	2013-07-23 Alexander Monakov <amonakov@ispras.ru>
	113
	114	* elf.c (backtrace_initialize): Pass elf_fileline_fn to
	115	dl_iterate_phdr callbacks.
	116
85d8c21e ILT	117	2013-03-25 Ian Lance Taylor <iant@google.com>
	118
	119	* alloc.c: #include <sys/types.h>.
	120	* mmap.c: Likewise.
	121
38811401 ILT	122	2013-01-31 Ian Lance Taylor <iant@google.com>
	123
	124	* dwarf.c (read_function_info): Permit fvec parameter to be NULL.
	125	(dwarf_lookup_pc): Don't use ddata->fvec if threaded.
	126
1e678aed JJ	127	2013-01-25 Jakub Jelinek <jakub@redhat.com>
	128
	129	PR other/56076
	130	* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
	131	attribute was not seen.
	132
6b514c53 ILT	133	2013-01-16 Ian Lance Taylor <iant@google.com>
	134
	135	* dwarf.c (struct unit): Add filename and abs_filename fields.
	136	(build_address_map): Set new fields when reading unit.
	137	(dwarf_lookup_pc): If we don't find an entry in the line table,
	138	just return the main file name.
	139
f8a7e1a4 RS	140	2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
	141
	142	Update copyright years.
	143
c3de1960 ILT	144	2013-01-01 Ian Lance Taylor <iant@google.com>
	145
	146	PR bootstrap/54834
	147	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
	148	$(MULTIBUILDTOP)/../../gcc/include.
	149	* Makefile.in: Rebuild.
	150
2a5195d9 ILT	151	2013-01-01 Ian Lance Taylor <iant@google.com>
	152
	153	PR other/55536
	154	* mmap.c (backtrace_alloc): Don't call sync functions if not
	155	threaded.
	156	(backtrace_free): Likewise.
	157
85619b6f JDA	158	2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
	159
	160	* mmapio.c: Define MAP_FAILED if not defined.
	161
36a58fb3 JJ	162	2012-12-11 Jakub Jelinek <jakub@redhat.com>
	163
	164	PR bootstrap/54926
	165	* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
	166	* configure.ac: If --with-target-subdir, add -frandom-seed=$@
	167	to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
	168	accepts it.
	169	* Makefile.in: Regenerated.
	170	* configure: Regenerated.
	171
a58dfde0 JJ	172	2012-12-07 Jakub Jelinek <jakub@redhat.com>
	173
	174	PR bootstrap/54926
	175	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
	176	* Makefile.in: Regenerated.
	177
b20ade36 ILT	178	2012-11-20 Ian Lance Taylor <iant@google.com>
	179
	180	* dwarf.c (read_attribute): Always clear val.
	181
73c3ed27 ILT	182	2012-11-13 Ian Lance Taylor <iant@google.com>
	183
	184	PR other/55312
	185	* configure.ac: Only add -Werror if building a target library.
2a5195d9	186	* configure: Rebuild.
73c3ed27	187
33521509 ILT	188	2012-11-12 Ian Lance Taylor <iant@google.com>
	189	Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	190	Gerald Pfeifer <gerald@pfeifer.com>
	191
	192	* configure.ac: Check for getexecname.
	193	* fileline.c: #include <errno.h>. Define getexecname if not
	194	available.
	195	(fileline_initialize): Try to find the executable in a few
	196	different ways.
	197	* print.c (error_callback): Only print the filename if it came
	198	from the backtrace state.
	199	* configure, config.h.in: Rebuild.
	200
8fe91dea ILT	201	2012-10-29 Ian Lance Taylor <iant@google.com>
	202
	203	* mmap.c (backtrace_vector_release): Correct last patch: add
	204	aligned, not size.
	205
8277de34 ILT	206	2012-10-29 Ian Lance Taylor <iant@google.com>
	207
	208	* mmap.c (backtrace_vector_release): Make sure freed block is
	209	aligned on 8-byte boundary.
	210
73f41491 ILT	211	2012-10-26 Ian Lance Taylor <iant@google.com>
	212
	213	PR other/55087
	214	* posix.c (backtrace_open): Add does_not_exist parameter.
	215	* elf.c (phdr_callback): Do not warn if shared library could not
	216	be opened.
	217	* fileline.c (fileline_initialize): Update calls to
	218	backtrace_open.
	219	* internal.h (backtrace_open): Update declaration.
	220
385710cf JH	221	2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
	222
	223	PR target/55061
	224	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
	225	* configure: Regenerate.
	226
32061319 ILT	227	2012-10-24 Ian Lance Taylor <iant@google.com>
	228
	229	PR target/55061
	230	* configure.ac: Check whether -funwind-tables option works.
	231	* configure: Rebuild.
	232
5551b12c ILT	233	2012-10-11 Ian Lance Taylor <iant@google.com>
	234
	235	* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
	236	* configure: Rebuild.
	237
40d15b5b ILT	238	2012-10-10 Ian Lance Taylor <iant@google.com>
	239
	240	* elf.c: Rename all Elf typedefs to start with b_elf, and be all
	241	lower case.
	242
74f80620 HPN	243	2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
	244
	245	* elf.c (elf_add_syminfo_data): Add casts to avoid warning.
	246
ce8aa074 ILT	247	2012-10-09 Ian Lance Taylor <iant@google.com>
	248
	249	* dwarf.c (dwarf_fileline): Add cast to avoid warning.
	250	(backtrace_dwarf_add): Likewise.
	251
e561a992 ILT	252	2012-10-09 Ian Lance Taylor <iant@google.com>
	253
	254	Add support for tracing through shared libraries.
	255	* configure.ac: Check for link.h and dl_iterate_phdr.
	256	* elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
	257	ELF macros before #defining them.
	258	(dl_phdr_info, dl_iterate_phdr): Define if system does not have
	259	dl_iterate_phdr.
	260	(struct elf_syminfo_data): Add next field.
	261	(elf_initialize_syminfo): Initialize next field.
	262	(elf_add_syminfo_data): New static function.
	263	(elf_add): New static function, broken out of
	264	backtrace_initialize. Call backtrace_dwarf_add instead of
	265	backtrace_dwarf_initialize.
	266	(struct phdr_data): Define.
	267	(phdr_callback): New static function.
	268	(backtrace_initialize): Call elf_add.
	269	* dwarf.c (struct dwarf_data): Add next and base_address fields.
	270	(add_unit_addr): Add base_address parameter. Change all callers.
	271	(add_unit_ranges, build_address_map): Likewise.
	272	(add_line): Add ddata parameter. Change all callers.
	273	(read_line_program, add_function_range): Likewise.
	274	(dwarf_lookup_pc): New static function, broken out of
	275	dwarf_fileline.
	276	(dwarf_fileline): Call dwarf_lookup_pc.
	277	(build_dwarf_data): New static function.
	278	(backtrace_dwarf_add): New function.
	279	(backtrace_dwarf_initialize): Remove.
	280	* internal.h (backtrace_dwarf_initialize): Don't declare.
	281	(backtrace_dwarf_add): Declare.
	282	* configure, config.h.in: Rebuild.
	283
068ef6d1 GP	284	2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
	285
	286	* btest.c (f23): Avoid uninitialized variable warning.
e561a992	287
244e2d9c ILT	288	2012-10-04 Ian Lance Taylor <iant@google.com>
	289
	290	* dwarf.c: If the system header files do not declare strnlen,
	291	provide our own version.
	292
be4ba8ae ILT	293	2012-10-03 Ian Lance Taylor <iant@google.com>
	294
	295	* dwarf.c (read_uleb128): Fix overflow test.
	296	(read_sleb128): Likewise.
	297	(build_address_map): Don't change unit_buf.start.
	298
56195009 UB	299	2012-10-02 Uros Bizjak <ubizjak@gmail.com>
56195009 UB	300
faf86a02 UB	301	PR other/54761
faf86a02 UB	302	* configure.ac (EXTRA_FLAGS): New.
56195009	303	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
faf86a02	304	* configure, Makefile.in: Regenerate.
56195009	305
8a447b3d ILT	306	2012-09-29 Ian Lance Taylor <iant@google.com>
	307
	308	PR other/54749
	309	* fileline.c (fileline_initialize): Pass errnum as -1 when
	310	reporting that we could not read executable information after a
	311	previous failure.
	312
af710874 ILT	313	2012-09-27 Ian Lance Taylor <iant@google.com>
	314
	315	PR bootstrap/54732
	316	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
	317	* Makefile.am: Add dependencies for all objects.
	318	* configure, aclocal.m4, Makefile.in: Rebuild.
	319
588f4f8f ILT	320	2012-09-27 Ian Lance Taylor <iant@google.com>
	321
	322	PR other/54726
	323	* elf.c (backtrace_initialize): Set *fileln_fn, not
	324	state->fileln_fn.
	325
64b89453 ILT	326	2012-09-19 Ian Lance Taylor <iant@google.com>
	327
	328	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
	329	as a target library.
	330	* configure: Rebuild.
	331
76850556 RO	332	2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	333	Ian Lance Taylor <iant@google.com>
	334
	335	* configure.ac (GCC_HEADER_STDINT): Invoke.
	336	* backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
	337	* btest.c: Don't include <stdint.h>.
	338	* dwarf.c: Likewise.
	339	* configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
	340
9425c00b ILT	341	2012-09-18 Ian Lance Taylor <iant@google.com>
	342
	343	PR bootstrap/54623
	344	* Makefile.am (AM_CPPFLAGS): Define.
	345	(AM_CFLAGS): Remove -I options.
	346	* Makefile.in: Rebuild.
	347
3319ef17 ILT	348	2012-09-18 Ian Lance Taylor <iant@google.com>
	349
	350	* posix.c (O_BINARY): Define if not defined.
	351	(backtrace_open): Pass O_BINARY to open. Only call fcntl if
	352	HAVE_FCNTL is defined.
	353	* configure.ac: Test for the fcntl function.
	354	* configure, config.h.in: Rebuild.
	355
bd3e497d ILT	356	2012-09-18 Ian Lance Taylor <iant@google.com>
	357
	358	* btest.c (test1, test2, test3, test4): Add the unused attribute.
	359
30e15876 ILT	360	2012-09-18 Ian Lance Taylor <iant@google.com>
	361
	362	* dwarf.c: Correct test of HAVE_DECL_STRNLEN.
	363
d4c059d5 ILT	364	2012-09-18 Ian Lance Taylor <iant@google.com>
	365
	366	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
	367	* mmapio.c: Don't define _GNU_SOURCE.
	368	* configure, config.h.in: Rebuild.
	369
772a71a9 ILT	370	2012-09-18 Ian Lance Taylor <iant@google.com>
	371
	372	* configure.ac: Check whether strnlen is declared.
	373	* dwarf.c: Declare strnlen if not declared.
	374	* configure, config.h.in: Rebuild.
	375
c0558468 RO	376	2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
	377
	378	* fileline.c: Include <stdlib.h>.
	379	* mmap.c: Likewise.
	380
c5812e0b ILT	381	2012-09-17 Ian Lance Taylor <iant@google.com>
	382
	383	PR bootstrap/54611
	384	* nounwind.c (backtrace_full): Rename from backtrace. Add state
	385	parameter.
	386
e8f4008a GP	387	2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
	388
	389	PR bootstrap/54611
	390	* nounwind.c (backtrace_simple): Add state parameter.
	391
f588eb27 ILT	392	2012-09-17 Ian Lance Taylor <iant@google.com>
	393
	394	PR bootstrap/54609
	395	* unknown.c (unknown_fileline): Add state parameter, remove
	396	fileline_data parameter, name error_callback parameter.
	397	(backtrace_initialize): Add state parameter.
	398
eff02e4f ILT	399	2012-09-17 Ian Lance Taylor <iant@google.com>
	400
	401	* Initial implementation.