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66ab583969
gcc/libbacktrace/ChangeLog
Ian Lance Taylor 66ab583969 libbacktrace: simplify DWARF section handling 
This is in preparation for adding DWARF 5 support.

	* internal.h (enum dwarf_section): Define.
	(struct dwarf_sections): Define.
	(backtrace_dwarf_add): Update declaration to replace specific
	section parameters with dwarf_sections parameter.
	* dwarf.c (struct dwarf_data): Replace specific section fields
	with dwarf_sections field.
	(read_attribute): Use dwarf_sections with altlink.
	(build_address_map): Replace specific section parameters with
	dwarf_sections parameter.  Change all callers.
	(read_line_info): Use dwarf_sections with ddata.
	(read_referenced_name): Likewise.
	(add_function_ranges): Likewise.
	(read_function_entry): Likewise.
	(read_function_info): Likewise.
	(build_dwarf_data): Replace specific section parameters with
	dwarf_sections parameter.  Change all callers.
	(backtrace_dwarf_add): Likewise.
	* elf.c (enum debug_section): Remove.
	(dwarf_section_names): Remove .zdebug names.
	(elf_add): Track zsections separately.  Build dwarf_sections.
	* pecoff.c (enum debug_section): Remove.
	(struct debug_section_info): Remove data field.
	(coff_add): Build dwarf_sections.
	* xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
	references with DEBUG_xxx references.
	(xcoff_add): Build dwarf_sections.

From-SVN: r278984
2019-12-05 02:20:11 +00:00

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2019-12-04 Ian Lance Taylor <iant@golang.org>
* internal.h (enum dwarf_section): Define.
(struct dwarf_sections): Define.
(backtrace_dwarf_add): Update declaration to replace specific
section parameters with dwarf_sections parameter.
* dwarf.c (struct dwarf_data): Replace specific section fields
with dwarf_sections field.
(read_attribute): Use dwarf_sections with altlink.
(build_address_map): Replace specific section parameters with
dwarf_sections parameter. Change all callers.
(read_line_info): Use dwarf_sections with ddata.
(read_referenced_name): Likewise.
(add_function_ranges): Likewise.
(read_function_entry): Likewise.
(read_function_info): Likewise.
(build_dwarf_data): Replace specific section parameters with
dwarf_sections parameter. Change all callers.
(backtrace_dwarf_add): Likewise.
* elf.c (enum debug_section): Remove.
(dwarf_section_names): Remove .zdebug names.
(elf_add): Track zsections separately. Build dwarf_sections.
* pecoff.c (enum debug_section): Remove.
(struct debug_section_info): Remove data field.
(coff_add): Build dwarf_sections.
* xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
references with DEBUG_xxx references.
(xcoff_add): Build dwarf_sections.
2019-09-27 Maciej W. Rozycki <macro@wdc.com>
* configure: Regenerate.
2019-09-26 Ian Lance Taylor <iant@golang.org>
PR libbacktrace/91908
* pecoff.c (backtrace_initialize): Explicitly cast unchecked
__sync_bool_compare_and_swap to void.
* xcoff.c (backtrace_initialize): Likewise.
2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
* configure.ac: Remove references to spu.
* configure: Regenerate.
2019-05-24 Clement Chigot <clement.chigot@atos.net>
* Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
test_elf_64.
* Makefile.in: Regenerate.
2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
handling.
* configure: Regenerate.
2019-03-11 Ian Lance Taylor <iant@golang.org>
PR libbacktrace/89669
* Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
HAVE_ELF.
* Makefile.in: Regenerate.
2019-02-26 Tom de Vries <tdevries@suse.de>
* btest.c (test5): Allow global.* as minimal symbol name for global.
2019-02-26 Tom de Vries <tdevries@suse.de>
* Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
* Makefile.in: Regenerate.
2019-02-12 Tom de Vries <tdevries@suse.de>
PR libbacktrace/81983
* dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
2019-02-10 Tom de Vries <tdevries@suse.de>
* Makefile.am (BUILDTESTS): Add btest_lto.
* Makefile.in: Regenerate.
* btest.c (test1, f2, f3, test3, f22, f23): Declare with
__attribute__((noclone)).
2019-02-08 Tom de Vries <tdevries@suse.de>
* backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
* print.c (backtrace_print): Same.
* simple.c (backtrace_simple): Same.
2019-02-08 Tom de Vries <tdevries@suse.de>
PR libbacktrace/78063
* dwarf.c (build_address_map): Keep all parsed units.
(read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
2019-01-31 Tom de Vries <tdevries@suse.de>
PR libbacktrace/89136
* elf.c (elf_add): Read build-id if with_buildid_data. Fix
'debugaltlink_name_len =+ 1'.
2019-01-29 Tom de Vries <tdevries@suse.de>
* install-debuginfo-for-buildid.sh.in: New script.
* Makefile.am (check_PROGRAMS): Add b2test and b3test.
(TESTS): Add b2test_buildid and b3test_dwz_buildid.
* Makefile.in: Regenerate.
* configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
(READELF): Set with AC_CHECK_PROG.
(install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
* configure: Regenerate.
* elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
(elf_open_debugfile_by_buildid): ... here.
2019-01-29 Tom de Vries <tdevries@suse.de>
* Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
allocfail.
(TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
(check_PROGRAMS): Add BUILDTESTS.
* Makefile.in: Regenerate.
2019-01-28 Tom de Vries <tdevries@suse.de>
* Makefile.am (xcoff_%.c): Generate sed result into temporary file.
Use $< to access prerequisite.
* Makefile.in: Regenerate.
2019-01-25 Nathan Sidwell <nathan@acm.org>
* elf.c (elf_add): Pass "" filename to recursive call with
separated debug.
2019-01-25 Tom de Vries <tdevries@suse.de>
* elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
filename == "".
* Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
* Makefile.in: Regenerate.
2019-01-25 Tom de Vries <tdevries@suse.de>
* Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
(TESTS): Rename dtest to btest_gnudebuglink.
* Makefile.in: Regenerate.
2019-01-23 Tom de Vries <tdevries@suse.de>
* dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
(units_search, find_unit): Use size_t for offset.
(build_address_map): Use size_t for unit_offset.
2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
* allocfail.c (main): Increase portability of printf statement.
2019-01-18 Ian Lance Taylor <iant@golang.org>
PR libbacktrace/88890
* mmapio.c (backtrace_get_view): Change size parameter to
uint64_t. Check that value fits in size_t.
* read.c (backtrace_get_view): Likewise.
* internal.h (backtrace_get_view): Update declaration.
* elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
2019-01-17 Tom de Vries <tdevries@suse.de>
PR libbacktrace/82857
* configure.ac (DWZ): Set with AC_CHECK_PROG.
(HAVE_DWZ): Set with AM_CONDITIONAL.
* configure: Regenerate.
* Makefile.am (TESTS): Add btest_dwz.
* Makefile.in: Regenerate.
2019-01-17 Tom de Vries <tdevries@suse.de>
PR libbacktrace/82857
* dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
(read_attribute): Handle DW_FORM_GNU_ref_alt using
ATTR_VAL_REF_ALT_INFO.
(read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
2019-01-17 Tom de Vries <tdevries@suse.de>
* dwarf.c (struct unit): Add low_offset and high_offset fields.
(struct unit_vector): New type.
(struct dwarf_data): Add units and units_counts fields.
(find_unit): New function.
(find_address_ranges): Add and handle unit_tag parameter.
(build_address_map): Add and handle units_vec parameter.
(build_dwarf_data): Pass units_vec to build_address_map. Store resulting
units vector.
2019-01-17 Tom de Vries <tdevries@suse.de>
PR libbacktrace/82857
* dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
using altlink.
2019-01-17 Tom de Vries <tdevries@suse.de>
* dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
(read_attribute): Add altlink parameter. Handle missing altlink for
DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
(find_address_ranges, build_address_map, build_dwarf_data): Add and
handle altlink parameter.
(read_referenced_name, read_function_entry): Add argument to
read_attribute call.
2019-01-17 Tom de Vries <tdevries@suse.de>
* dwarf.c (struct dwarf_data): Add altlink field.
(backtrace_dwarf_add): Add and handle fileline_altlink parameter.
* elf.c (elf_add): Add argument to backtrace_dwarf_add call.
(phdr_callback, backtrace_initialize): Add argument to elf_add calls.
* internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
* pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
* xcoff.c (xcoff_add): Same.
2019-01-17 Tom de Vries <tdevries@suse.de>
* internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
* dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
* elf.c (elf_add): Add and handle fileline_entry parameter. Add
argument to backtrace_dwarf_add call.
(phdr_callback, backtrace_initialize): Add argument to elf_add calls.
* pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
* xcoff.c (xcoff_add): Same.
2019-01-17 Tom de Vries <tdevries@suse.de>
* elf.c (elf_add): Add and handle with_buildid_data and
with_buildid_size parameters. Handle .gnu_debugaltlink section.
(phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
2019-01-16 Tom de Vries <tdevries@suse.de>
* dwarf.c (read_referenced_name_from_attr): New function. Factor out
of ...
(read_referenced_name): ... here, and ...
(read_function_entry): ... here.
2019-01-16 Tom de Vries <tdevries@suse.de>
* dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
name.
(read_function_entry): Same. Don't allow name found via
DW_AT_abstract_origin or case DW_AT_specification to override linkage
name.
2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
PR other/16615
* backtrace.h: Mechanically replace "can not" with "cannot".
2019-01-01 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
* Makefile.am (xcoff_%.c): Use an actual newline instead of \n
in sed pattern.
* Makefile.in: Regenerate.
2018-12-28 Tom de Vries <tdevries@suse.de>
* dwarf.c (build_address_map): Reuse unused units.
2018-12-28 Tom de Vries <tdevries@suse.de>
* dwarf.c (build_address_map): Simplify by removing local variable
abbrevs.
2018-12-28 Ian Lance Taylor <iant@golang.org>
Tom de Vries <tdevries@suse.de>
PR libbacktrace/88063
* dwarf.c (free_unit_addrs_vector): Remove.
(build_address_map): Keep track of allocated units in vector. Free
allocated units and corresponding abbrevs upon failure. Remove now
redundant call to free_unit_addrs_vector. Free addrs vector upon
failure. Free allocated unit vector.
2018-12-28 Tom de Vries <tdevries@suse.de>
* dwarf.c (build_address_map): Free addrs vector upon failure.
2018-12-14 Tom de Vries <tdevries@suse.de>
PR testsuite/88491
* allocfail.sh: Remove "set -o pipefail".
2018-12-12 Tom de Vries <tdevries@suse.de>
* Makefile.am (TESTS): Add allocfail.sh.
(check_PROGRAMS): Add allocfail.
* Makefile.in: Regenerate.
* instrumented_alloc.c: New file. Redefine malloc and realloc.
Include alloc.c.
* allocfail.c: New file.
* allocfail.sh: New file.
2018-11-30 Tom de Vries <tdevries@suse.de>
* Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
test_xcoff_64, test_pecoff and test_unknown.
* Makefile.in: Regenerate.
* test_format.c: New file.
2018-11-30 Tom de Vries <tdevries@suse.de>
* Makefile.am : Add _with_alloc version for each test in
check_PROGRAMS.
* Makefile.in: Regenerate.
2018-11-30 Tom de Vries <tdevries@suse.de>
* internal.h (backtrace_vector_free): New static inline fuction,
factored out of ...
* dwarf.c (read_line_info): ... here.
2018-11-28 Tom de Vries <tdevries@suse.de>
* dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
failure.
2018-11-27 Tom de Vries <tdevries@suse.de>
* mmap.c (backtrace_vector_release): Same.
* unittest.c (test1): Add check.
2018-11-27 Tom de Vries <tdevries@suse.de>
* alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
instead of realloc.
* Makefile.am (check_PROGRAMS): Add unittest.
* Makefile.in: Regenerate.
* unittest.c: New file.
2018-11-22 Tom de Vries <tdevries@suse.de>
* dwarf.c (read_initial_length): Factor out of ...
(build_address_map, read_line_info): ... here.
2018-11-21 Tom de Vries <tdevries@suse.de>
* dwarf.c (read_string): Factor out of ...
(read_attribute, read_line_header, read_line_program): ... here.
2018-10-31 Joseph Myers <joseph@codesourcery.com>
PR bootstrap/82856
* Makefile.am: Include multilib.am.
* configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
* Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
2018-10-05 Ian Lance Taylor <iant@golang.org>
PR libbacktrace/87529
* backtrace.h: Document that backtrace_create_state should be
called only once.
2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
* configure.ac: Move define of HAVE_ZLIB into check for -lz.
* Makefile.in: Regenerate.
* config.h.in: Likewise.
* configure: Likewise.
2018-08-01 Tony Reix <tony.reix@atos.net>
* xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
(struct xcoff_func, struct xcoff_func_vector): New structs.
(xcoff_syminfo): Drop leading dot from symbol name.
(xcoff_line_compare, xcoff_line_search): Remove.
(xcoff_func_compare, xcoff_func_search): New static functions.
(xcoff_lookup_pc): Search function table.
(xcoff_add_line, xcoff_process_linenos): Remove.
(xcoff_initialize_fileline): Build function table.
2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
PR other/86198
* elf.c (elf_add): Increase ".note.gnu.build-id" section size
checking up to 36 bytes.
2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
* configure: Regenerated.
2018-04-19 Jakub Jelinek <jakub@redhat.com>
* configure: Regenerated.
2018-04-17 Ian Lance Taylor <iant@golang.org>
* backtrace.c: Revert last two changes. Don't call mmap
directly.
2018-04-17 Ian Lance Taylor <iant@golang.org>
* backtrace.c: Include backtrace-supported.h before checking
BACKTRACE_USES_MALLOC.
2018-04-17 Ian Lance Taylor <iant@golang.org>
* backtrace.c (backtrace_full): When testing whether we can
allocate memory, call mmap directly, and munmap the memory.
2018-04-04 Jakub Jelinek <jakub@redhat.com>
PR other/85161
* elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
big endian, only use 32-bit loads if endianity macros are predefined
and indicate big or little endian.
2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
PR target/84148
* configure: Regenerate.
2018-02-15 Jakub Jelinek <jakub@redhat.com>
PR other/82368
* elf.c (SHT_PROGBITS): Undefine and define.
2018-02-14 Jakub Jelinek <jakub@redhat.com>
PR other/82368
* elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
(struct elf_ppc64_opd_data): New type.
(elf_initialize_syminfo): Add opd argument, handle symbols
pointing into the PowerPC64 ELFv1 .opd section.
(elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
to structure with .opd data to elf_initialize_syminfo.
2018-01-31 Ian Lance Taylor <iant@golang.org>
* elf.c (elf_add): Close descriptor if we use a debugfile.
* btest.c (check_open_files): New static function.
(main): Call check_open_files.
2018-01-25 Ian Lance Taylor <iant@golang.org>
* elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
desired CRC is zero.
(elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
2018-01-25 Ian Lance Taylor <iant@golang.org>
* pecoff.c (coff_add): Only release syms_view if it is valid.
2018-01-25 Ian Lance Taylor <iant@golang.org>
* pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
2018-01-24 Ian Lance Taylor <iant@golang.org>
* pecoff.c (coff_add): Use coff_read4, not memcpy.
2018-01-24 Ian Lance Taylor <iant@golang.org>
PR other/68239
* mmap.c (backtrace_free_locked): Don't put more than 16 entries
on the free list.
2018-01-19 Tony Reix <tony.reix@atos.net>
* xcoff.c (xcoff_incl_compare): New function.
(xcoff_incl_search): New function.
(xcoff_process_linenos): Use bsearch to find include file.
(xcoff_initialize_fileline): Sort include file information.
2018-01-16 Ian Lance Taylor <iant@golang.org>
* elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
288.
(main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
(elf_zlib_default_table): Update.
(elf_zlib_default_dist_table): New static array.
(elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
for block type 1.
* ztest.c (struct zlib_test): Add uncompressed_len.
(tests): Initialize uncompressed_len field. Add new test case.
(test_samples): Use uncompressed_len field.
2018-01-03 Jakub Jelinek <jakub@redhat.com>
Update copyright years.
2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
* configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
* aclocal.m4: Regenerate.
* Makefile.in: Likewise.
* configure: Likewise.
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) 2012-2019 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.
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