diff libbacktrace/ChangeLog @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libbacktrace/ChangeLog	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,820 @@
+2017-10-06  Ian Lance Taylor  <iant@golang.org>
+
+	* ztest.c (test_large): Pass unsigned long *, not size_t *, to
+	zlib uncompress function.
+
+2017-10-05  Ian Lance Taylor  <iant@golang.org>
+
+	* elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
+	Read a four byte integer.
+	(elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
+	boundary before ever calling elf_zlib_fetch.
+	* ztest.c (test_large): Simplify print statements a bit.
+
+2017-10-02  Ian Lance Taylor  <iant@golang.org>
+
+	* ztest.c: #include <errno.h>.
+	(TEST_TIMING): Don't define, don't test.
+	(xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
+	(clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
+	(ZLIB_CLOCK_GETTIME_ARG): Define.
+	* configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
+	* Makefile.am: Likewise.
+	* configure, Makefile.in: Rebuild.
+
+2017-10-02  Thomas Schwinge  <thomas@codesourcery.com>
+
+	PR other/67165
+	* Makefile.am: Append the content of clock_gettime_link to
+	ztest_LDADD.
+	* configure.ac: Test for the case that clock_gettime is in librt.
+	* Makefile.in: Regenerate.
+	* configure: Likewise.
+
+	PR other/67165
+	* configure.ac: Check for clock_gettime.
+	* config.h.in: Regenerate.
+	* configure: Likewise.
+	* ztest.c (average_time, test_large): Conditionalize test timing
+	on clock_gettime availability.
+
+2017-09-29  Tony Reix  <tony.reix@atos.net>
+
+	* xcoff.c: Initial support for DWARF debug sections in XCOFF.
+	(STYP_DWARF, SSUBTYP_DW*): Define.
+	(enum dwarf_section): Define.
+	(struct dwsect_info): Define.
+	(xcoff_add): Look for DWARF sections, pass them to
+	backtrace_dwarf_add.
+
+2017-09-28  Ian Lance Taylor  <iant@golang.org>
+
+	PR other/67165
+	* elf.c (__builtin_prefetch): Define if not __GNUC__.
+	(unlikely): Define.
+	(SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
+	(b_elf_chdr): Define type.
+	(enum debug_section): Add ZDEBUG_xxx values.
+	(debug_section_names): Add names for new sections.
+	(struct debug_section_info): Add compressed field.
+	(elf_zlib_failed, elf_zlib_fetch): New static functions.
+	(HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
+	(HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
+	(HUFFMAN_SECONDARY_SHIFT): Define.
+	(ZDEBUG_TABLE_SIZE): Define.
+	(ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
+	(final_next_secondary): New static variable if
+	BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
+	(elf_zlib_inflate_table): New static function.
+	(BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
+	function to produce fixed Huffman table.
+	(elf_zlib_default_table): New static variable.
+	(elf_zlib_inflate): New static function.
+	(elf_zlib_verify_checksum): Likewise.
+	(elf_zlib_inflate_and_verify): Likewise.
+	(elf_uncompress_zdebug): Likewise.
+	(elf_uncompress_chdr): Likewise.
+	(backtrace_uncompress_zdebug): New extern function.
+	(elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
+	sections, and uncompress them.
+	* internal.h (backtrace_compress_zdebug): Declare.
+	* ztest.c: New file.
+	* configure.ac: Check for -lz and check whether the linker
+	supports --compress-debug-sections.
+	* Makefile.am (ztest_SOURCES): New variable.
+	(ztest_CFLAGS, ztest_LDADD): New variables.
+	(check_PROGRAMS): Add ztest.
+	(ctestg_SOURCES): New variable.
+	(ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
+	(ctesta_SOURCES): New variable.
+	(ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
+	(check_PROGRAMS): Add ctestg and ctesta.
+	* configure, config.h.in, Makefile.in: Rebuild.
+
+2017-09-22  Ian Lance Taylor  <iant@golang.org>
+
+	PR sanitizer/77631
+	* configure.ac: Check for lstat and readlink.
+	* elf.c (lstat, readlink): Provide dummy versions if real versions
+	are not available.
+	* configure, config.h.in: Rebuild.
+
+2017-09-21  Ian Lance Taylor  <iant@google.com>
+
+	PR go/82284
+	* elf.c (backtrace_initialize): Set pd.exe_filename.
+
+2017-09-20  Ian Lance Taylor  <iant@golang.org>
+	    Denis Khalikov  <d.khalikov@partner.samsung.com>
+
+	PR sanitizer/77631
+	Support for external debug info.
+	* elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
+	(S_ISLNK): Define if not defined.
+	(xstrnlen): Define if strnlen is not available.
+	(b_elf_note): Define type.
+	(NT_GNU_BUILD_ID): Define macro.
+	(elf_crc32, elf_crc32_file): New static functions.
+	(elf_is_symlink, elf_readlink): New static functions.
+	(elf_open_debugfile_by_buildid): New static function.
+	(elf_try_debugfile): New static function.
+	(elf_find_debugfile_by_debuglink): New static function.
+	(elf_open_debugfile_by_debuglink): New static function.
+	(elf_add): Add filename and debuginfo parameters.  Adjust all
+	callers.  Look for external debug info notes, and try to fetch
+	debug info from external file.
+	(struct phdr_data): Add exe_filename field.
+	(phdr_callback): Pass filename to elf_add.
+	(backtrace_initialize): Add filename parameter.
+	* internal.h (backtrace_initialize): Add filename parameter.
+	* fileline.c (fileline_initialize): Pass filename to
+	backtrace_initialize.
+	* pecoff.c (fileline_initialize): Add unused filename parameter.
+	* unknown.c (fileline_initialize): Likewise.
+	* xcoff.c (fileline_initialize): Likewise.
+	* configure.ac: Check for objcopy --add-gnu-debuglink.
+	* Makefile.am (dtest): New test target.
+	* configure, Makefile.in: Rebuild.
+
+2017-09-12  Steve Ellcey  <sellcey@cavium.com>
+
+	PR other/81096
+	* Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
+	* Makefile.in: Regenerate.
+
+2017-09-12  Steve Ellcey  <sellcey@cavium.com>
+
+	PR other/81096
+	* libbacktrace/Makefile.in
+	(HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
+
+2017-08-02  David Edelsohn  <dje.gcc@gmail.com>
+
+	PR bootstrap/81638
+	* xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
+
+2017-07-28  Tony Reix  <tony.reix@atos.net>
+
+	* xcoff.c: Don't leak a file descriptor if an archive is malformed.
+
+2017-07-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* fileline.c (fileline_initialize): Print pid_t as long.
+
+2017-07-26  Tony Reix  <tony.reix@atos.net>
+
+	* configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
+	* filetype.awk: Separate AIX XCOFF32 and XCOFF64.
+	* xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
+	* configure, config.h.in: Regenerate.
+
+2017-07-21  Tony Reix  <tony.reix@atos.net>
+
+	* filetype.awk: Add AIX XCOFF type detection.
+	* configure.ac: Recognize xcoff format.
+	* Makefile.am (FORMAT_FILES): Add xcoff.c.
+	* fileline.c: Include <unistd.h>.
+	(fileline_initialize): Add case for AIX procfs.
+	* xcoff.c: New file.
+	* configure, Makefile.in: Rebuild.
+
+2017-06-21  Richard Biener  <rguenther@suse.de>
+
+	* configure.ac: Add AC_SYS_LARGEFILE.
+	* config.h.in: Regenerate.
+	* configure: Likewise.
+
+2017-06-11  Ian Lance Taylor  <iant@golang.org>
+
+	* elf.c (backtrace_initialize): Always set *fileline_fn.
+	* ttest.c: New file.
+	* btest.c: Move support functions into testlib.c.  Change calls to
+	check to pass file name.
+	* testlib.c: New file, copied from (part of) btest.c.
+	* testlib.h: New file, declarations for testlib.c.
+	* edtest.c: Use testlib.h and testlib.c.
+	* configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
+	* Makefile.am (btest_SOURCES): Add testlib.c.
+	(edtest_SOURCES): Likewise.
+	(CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
+	(ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
+	* configure, Makefile.in: Rebuild.
+
+2017-05-19  Than McIntosh  <thanm@google.com>
+
+	* dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
+	(read_line_header): Don't allocate dirs if dirs_count == 0.
+	* edtest.c: New file.
+	* edtest2.c: New file.
+	* Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
+	(check_PROGRAMS): Add edtest.
+	(edtest2_build.c, gen_edtest2_build): New targets.
+	* Makefile.in: Rebuild.
+
+2017-03-08  Sam Thursfield  <sam.thursfield@codethink.co.uk>
+
+	* btest.c (test5): Replace #ifdef guard with 'unused' attribute
+	to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
+
+2017-01-01  Jakub Jelinek  <jakub@redhat.com>
+
+	Update copyright years.
+
+2016-11-15  Matthias Klose  <doko@ubuntu.com>
+
+	* configure: Regenerate.
+
+2016-09-11  Carlos Liam  <carlos@aarzee.me>
+
+	* all: Remove meaningless trailing whitespace.
+
+2016-05-18  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR target/71161
+	* elf.c (phdr_callback) [__i386__]: Add
+	__attribute__((__force_align_arg_pointer__)).
+
+2016-03-02  Maxim Ostapenko  <m.ostapenko@partner.samsung.com>
+
+	* elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
+	avoid possible crash.
+	(elf_add): Don't set *fileline_fn to elf_nodebug value in case of
+	missing debug info anymore.
+
+2016-02-06  John David Anglin  <danglin@gcc.gnu.org>
+
+	* mmap.c (MAP_FAILED): Define if not defined.
+
+2016-01-04  Jakub Jelinek  <jakub@redhat.com>
+
+	Update copyright years.
+
+2015-12-18  Andris Pavenis  <andris.pavenis@iki.fi>
+
+	* configure.ac: Specify that DJGPP do not have mmap
+	even when sys/mman.h exists.
+	* configure: Regenerate
+
+2015-12-09  John David Anglin  <danglin@gcc.gnu.org>
+
+	PR libgfortran/68115
+	* configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
+	* configure: Regenerate.
+	* elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
+	to void.
+
+2015-09-17  Ian Lance Taylor  <iant@google.com>
+
+	* posix.c (backtrace_open): Cast second argument of open() to int.
+
+2015-09-11  Ian Lance Taylor  <iant@google.com>
+
+	* Makefile.am (backtrace.lo): Depend on internal.h.
+	(sort.lo, stest.lo): Add explicit dependencies.
+	* Makefile.in: Rebuild.
+
+2015-09-09  Hans-Peter Nilsson  <hp@axis.com>
+
+	* backtrace.c: #include <sys/types.h>.
+
+2015-09-08  Ian Lance Taylor  <iant@google.com>
+
+	PR other/67457
+	* backtrace.c: #include "internal.h".
+	(struct backtrace_data): Add can_alloc field.
+	(unwind): If can_alloc is false, don't try to get file/line
+	information.
+	(backtrace_full): Set can_alloc field in bdata.
+	* alloc.c (backtrace_alloc): Don't call error_callback if it is
+	NULL.
+	* mmap.c (backtrace_alloc): Likewise.
+	* internal.h: Update comments for backtrace_alloc and
+	backtrace_free.
+
+2015-09-08  Ian Lance Taylor  <iant@google.com>
+
+	PR other/67457
+	* mmap.c (backtrace_alloc): Correct test for mmap failure.
+
+2015-08-31  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* configure.ac: For spu-*-* targets, set have_fcntl to no.
+	* configure: Regenerate.
+
+2015-08-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* configure.ac: Remove [disable-shared] argument to LT_INIT.
+	Remove setting PIC_FLAG when building as target library.
+	* configure: Regenerate.
+
+2015-08-26  Hans-Peter Nilsson  <hp@axis.com>
+
+	* configure.ac: Only compile with -fPIC if the target
+	supports it.
+	* configure: Regenerate.
+
+2015-08-24  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
+
+	* configure.ac: Set have_mmap to no on spu-*-* targets.
+	* configure: Regenerate.
+
+2015-08-13  Ian Lance Taylor  <iant@google.com>
+
+	* dwarf.c (read_function_entry): Add vec_inlined parameter.
+	Change all callers.
+
+2015-06-11  Martin Sebor  <msebor@redhat.com>
+
+	PR sanitizer/65479
+	* dwarf.c (struct line): Add new field idx.
+	(line_compare): Use it.
+	(add_line): Set it.
+	(read_line_info): Reset it.
+
+2015-05-29  Tristan Gingold  <gingold@adacore.com>
+
+	* pecoff.c: New file.
+	* Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
+	* Makefile.in: Regenerate.
+	* filetype.awk: Detect pecoff.
+	* configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
+	Add pecoff.
+	* btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
+	true.
+	* backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
+	* configure: Regenerate.
+	* pecoff.c: New file.
+
+2015-05-13  Michael Haubenwallner  <michael.haubenwallner@ssi-schaefer.com>
+
+	* Makefile.in: Regenerated with automake-1.11.6.
+	* aclocal.m4: Likewise.
+	* configure: Likewise.
+
+2015-01-24  Matthias Klose  <doko@ubuntu.com>
+
+	* configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
+	* configure: Regenerate.
+
+2015-01-05  Jakub Jelinek  <jakub@redhat.com>
+
+	Update copyright years.
+
+2014-11-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR bootstrap/63784
+	* configure: Regenerated.
+
+2014-11-11  David Malcolm  <dmalcolm@redhat.com>
+
+	* ChangeLog.jit: New.
+
+2014-11-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	PR target/63610
+	* configure: Regenerate.
+
+2014-10-23  Ian Lance Taylor  <iant@google.com>
+
+	* internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
+	Fix to return void *.
+
+2014-05-08  Ian Lance Taylor  <iant@google.com>
+
+	* mmap.c (backtrace_free): If freeing a large aligned block of
+	memory, call munmap rather than holding onto it.
+	(backtrace_vector_grow): When growing a vector, double the number
+	of pages requested.  When releasing the old version of a grown
+	vector, pass the correct size to backtrace_free.
+
+2014-03-07  Ian Lance Taylor  <iant@google.com>
+
+	* sort.c (backtrace_qsort): Use middle element as pivot.
+
+2014-03-06  Ian Lance Taylor  <iant@google.com>
+
+	* sort.c: New file.
+	* stest.c: New file.
+	* internal.h (backtrace_qsort): Declare.
+	* dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
+	(read_line_info, read_function_entry): Likewise.
+	(read_function_info, build_dwarf_data): Likewise.
+	* elf.c (elf_initialize_syminfo): Likewise.
+	* Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
+	(stest_SOURCES, stest_LDADD): Define.
+	(check_PROGRAMS): Add stest.
+
+2014-02-07  Misty De Meo  <misty@brew.sh>
+
+	PR target/58710
+	* configure.ac: Use AC_LINK_IFELSE in check for
+	_Unwind_GetIPInfo.
+	* configure: Regenerate.
+
+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.
+
+Copyright (C) 2012-2017 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.