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ChangeLog revision 1.1.1.22
      1 2025-07-11  Release Manager
      2 
      3 	* GCC 12.5.0 released.
      4 
      5 2024-06-20  Release Manager
      6 
      7 	* GCC 12.4.0 released.
      8 
      9 2023-05-08  Release Manager
     10 
     11 	* GCC 12.3.0 released.
     12 
     13 2022-08-19  Release Manager
     14 
     15 	* GCC 12.2.0 released.
     16 
     17 2022-05-06  Release Manager
     18 
     19 	* GCC 12.1.0 released.
     20 
     21 2022-04-05  Ian Lance Taylor  <iant (a] golang.org>
     22 
     23 	* elf.c (elf_zlib_inflate): Don't skip initial aligned byte in
     24 	uncompressed block.
     25 
     26 2022-02-17  Ian Lance Taylor  <iant (a] golang.org>
     27 
     28 	* dwarf.c (find_address_ranges): Handle skeleton units.
     29 	(read_function_entry): Likewise.
     30 
     31 2022-02-16  Ian Lance Taylor  <iant (a] golang.org>
     32 
     33 	* dwarf.c (build_address_map): Initialize DWARF 5 fields of unit.
     34 
     35 2022-02-03  David Seifert  <soap (a] gentoo.org>
     36 	    Jakub Jelinek  <jakub (a] redhat.com>
     37 
     38 	* configure.ac: Support --disable-werror.
     39 	* configure: Regenerate.
     40 
     41 2021-12-28  Francois-Xavier Coudert  <fxcoudert (a] gmail.com>
     42 
     43 	PR libbacktrace/103822
     44 	* Makefile.am: Fix newline.
     45 	* Makefile.in: Regenerate.
     46 
     47 2021-11-12  Martin Liska  <mliska (a] suse.cz>
     48 
     49 	PR libbacktrace/103167
     50 	* elf.c (elf_uncompress_lzma_block): Cast to unsigned int.
     51 	(elf_uncompress_lzma): Likewise.
     52 	* xztest.c (test_samples): memcpy only if v > 0.
     53 
     54 2021-10-22  Martin Liska  <mliska (a] suse.cz>
     55 
     56 	PR testsuite/102742
     57 	* btest.c (MIN_DESCRIPTOR): New.
     58 	(MAX_DESCRIPTOR): Likewise.
     59 	(check_available_files): Likewise.
     60 	(check_open_files): Check only file descriptors that
     61 	were not available at the entry.
     62 	(main): Call check_available_files.
     63 
     64 2021-08-13  Sergei Trofimovich  <siarheit (a] google.com>
     65 
     66 	* install-debuginfo-for-buildid.sh.in: Force non-localized readelf
     67 	output with LANG=C.
     68 
     69 2021-06-28  Clment Chigot  <clement.chigot (a] atos.net>
     70 
     71 	* xcoff.c (SSUBTYP_DWRNGES): New define.
     72 	(xcoff_add): Use correct XCOFF DWARF section subtype
     73 	for DEBUG_RANGES. Remove lineoff workaround.
     74 	Adjust base_address.
     75 	(xcoff_initialize_syminfo): Adapt to new base_address.
     76 	(xcoff_lookup_pc): Likewise.
     77 	(xcoff_initialize_fileline): Likewise.
     78 
     79 2021-05-03  H.J. Lu  <hjl.tools (a] gmail.com>
     80 
     81 	PR bootstrap/99703
     82 	* configure: Regenerated.
     83 
     84 2021-03-03  Ian Lance Taylor  <iant (a] golang.org>
     85 
     86 	* dwarf.c (read_line_program): Don't special case file 0.
     87 	(read_function_entry): Likewise.
     88 
     89 2021-03-02  Ian Lance Taylor  <iant (a] golang.org>
     90 
     91 	PR libbacktrace/98818
     92 	* dwarf.c (dwarf_buf_error): Add errnum parameter.  Change all
     93 	callers.
     94 	* backtrace.h: Update backtrace_error_callback comment.
     95 
     96 2021-02-12  Ian Lance Taylor  <iant (a] golang.org>
     97 
     98 	* configure.ac: Check for objcopy --add-gnu-debuglink by using
     99 	objcopy --help.
    100 	* configure: Regenerate
    101 
    102 2021-01-18  Ian Lance Taylor  <iant (a] golang.org>
    103 
    104 	* Makefile.am (%_dwz): If dwz fails, use uncompressed debug info.
    105 	* Makefile.in: Regenerate.
    106 	* configure: Regenerate.
    107 
    108 2021-01-18  Ian Lance Taylor  <iant (a] golang.org>
    109 
    110 	PR debug/98716
    111 	* dwarf.c (read_v2_paths): Allocate zero entry for dirs and
    112 	filenames.
    113 	(read_line_program): Remove parameter u, change caller.  Don't
    114 	subtract one from dirs and filenames index.
    115 	(read_function_entry): Don't subtract one from filenames index.
    116 
    117 2021-01-05  Samuel Thibault  <samuel.thibault (a] ens-lyon.org>
    118 
    119 	* configure: Re-generate.
    120 
    121 2020-12-05  Iain Sandoe  <iain (a] sandoe.co.uk>
    122 
    123 	PR target/97865
    124 	* configure: Regenerate.
    125 
    126 2020-12-02  Ian Lance Taylor  <iant (a] golang.org>
    127 
    128 	* dwarf.c (resolve_string): Use > rather than >= to check whether
    129 	string index extends past buffer.
    130 	(resolve_addr_index): Similarly for address index.
    131 
    132 2020-11-29  John David Anglin  <danglin (a] gcc.gnu.org>
    133 
    134 	* configure: Regenerate.
    135 
    136 2020-10-20  Ian Lance Taylor  <iant (a] golang.org>
    137 
    138 	* internal.h (ATTRIBUTE_FALLTHROUGH): Define.
    139 	* elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH.
    140 
    141 2020-09-28  Ian Lance Taylor  <iant (a] golang.org>
    142 
    143 	PR libbacktrace/97082
    144 	* Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL.
    145 	* Makefile.in: Regenerate.
    146 
    147 2020-09-28  Ian Lance Taylor  <iant (a] golang.org>
    148 
    149 	PR libbacktrace/97227
    150 	* configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL.
    151 	* Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL.
    152 	* configure: Regenerate.
    153 	* Makefile.in: Regenerate.
    154 
    155 2020-09-23  Ian Lance Taylor  <iant (a] golang.org>
    156 
    157 	* dwarf.c (report_inlined_functions): Handle PC == -1 and PC ==
    158 	p->low.
    159 	(dwarf_lookup_pc): Likewise.
    160 
    161 2020-09-17  Ian Lance Taylor  <iant (a] golang.org>
    162 
    163 	PR libbacktrace/97080
    164 	* fileline.c (backtrace_syminfo_to_full_callback): New function.
    165 	(backtrace_syminfo_to_full_error_callback): New function.
    166 	* elf.c (elf_nodebug): Call syminfo_fn if possible.
    167 	* internal.h (struct backtrace_call_full): Define.
    168 	(backtrace_syminfo_to_full_callback): Declare.
    169 	(backtrace_syminfo_to_full_error_callback): Declare.
    170 	* mtest.c (f3): Only check all[i] if data.index permits.
    171 
    172 2020-09-16  Iain Sandoe  <iain (a] sandoe.co.uk>
    173 
    174 	* macho.c (MACH_O_CPU_TYPE_PPC): New.
    175 	(MACH_O_CPU_TYPE_PPC64): New.
    176 	Add compile-tests for powerpc to the Mach-O variants.
    177 
    178 2020-09-14  Ian Lance Taylor  <iant (a] golang.org>
    179 
    180 	PR libbacktrace/93608
    181 	Add support for MiniDebugInfo.
    182 	* elf.c (struct elf_view): Define.  Replace most uses of
    183 	backtrace_view with elf_view.
    184 	(elf_get_view): New static functions.  Replace most calls of
    185 	backtrace_get_view with elf_get_view.
    186 	(elf_release_view): New static functions.  Replace most calls of
    187 	backtrace_release_view with elf_release_view.
    188 	(elf_uncompress_failed): Rename from elf_zlib_failed.  Change all
    189 	callers.
    190 	(LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define.
    191 	(LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define.
    192 	(LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define.
    193 	(LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define.
    194 	(LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define.
    195 	(LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define.
    196 	(LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define.
    197 	(LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define.
    198 	(LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define.
    199 	(LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define.
    200 	(LZMA_PROB_DIST_ALIGN_LEN): Define.
    201 	(LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define.
    202 	(LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define.
    203 	(LZMA_PROB_MATCH_LEN_LOW_LEN): Define.
    204 	(LZMA_PROB_MATCH_LEN_MID_LEN): Define.
    205 	(LZMA_PROB_MATCH_LEN_HIGH_LEN): Define.
    206 	(LZMA_PROB_REP_LEN_CHOICE_LEN): Define.
    207 	(LZMA_PROB_REP_LEN_CHOICE2_LEN): Define.
    208 	(LZMA_PROB_REP_LEN_LOW_LEN): Define.
    209 	(LZMA_PROB_REP_LEN_MID_LEN): Define.
    210 	(LZMA_PROB_REP_LEN_HIGH_LEN): Define.
    211 	(LZMA_PROB_LITERAL_LEN): Define.
    212 	(LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define.
    213 	(LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define.
    214 	(LZMA_PROB_IS_REP2_OFFSET): Define.
    215 	(LZMA_PROB_IS_REP0_LONG_OFFSET): Define.
    216 	(LZMA_PROB_DIST_SLOT_OFFSET): Define.
    217 	(LZMA_PROB_DIST_SPECIAL_OFFSET): Define.
    218 	(LZMA_PROB_DIST_ALIGN_OFFSET): Define.
    219 	(LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define.
    220 	(LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define.
    221 	(LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define.
    222 	(LZMA_PROB_MATCH_LEN_MID_OFFSET): Define.
    223 	(LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define.
    224 	(LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define.
    225 	(LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define.
    226 	(LZMA_PROB_REP_LEN_LOW_OFFSET): Define.
    227 	(LZMA_PROB_REP_LEN_MID_OFFSET): Define.
    228 	(LZMA_PROB_REP_LEN_HIGH_OFFSET): Define.
    229 	(LZMA_PROB_LITERAL_OFFSET): Define.
    230 	(LZMA_PROB_TOTAL_COUNT): Define.
    231 	(LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define.
    232 	(LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define.
    233 	(LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define.
    234 	(LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define.
    235 	(LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define.
    236 	(LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define.
    237 	(LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define.
    238 	(LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define.
    239 	(elf_lzma_varint): New static function.
    240 	(elf_lzma_range_normalize): New static function.
    241 	(elf_lzma_bit, elf_lzma_integer): New static functions.
    242 	(elf_lzma_reverse_integer): New static function.
    243 	(elf_lzma_len, elf_uncompress_lzma_block): New static functions.
    244 	(elf_uncompress_lzma): New static function.
    245 	(backtrace_uncompress_lzma): New function.
    246 	(elf_add): Add memory and memory_size parameters.  Change all
    247 	callers.  Look for .gnu_debugdata section, and, if found,
    248 	decompress it and use it for symbols and debug info.  Permit the
    249 	descriptor parameter to be -1.
    250 	* internal.h (backtrace_uncompress_lzma): Declare.
    251 	* mtest.c: New file.
    252 	* xztest.c: New file.
    253 	* configure.ac: Check for nm, xz, and comm programs.  Check for
    254 	liblzma library.
    255 	(HAVE_MINIDEBUG): Define.
    256 	* Makefile.am (mtest_SOURCES): Define.
    257 	(mtest_CFLAGS, mtest_LDADD): Define.
    258 	(TESTS): Add mtest_minidebug if HAVE_MINIDEBUG.
    259 	(%_minidebug): New pattern rule, if HAVE_MINIDEBUG.
    260 	(xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define.
    261 	(xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define
    262 	(xztest_alloc_LDADD): Define.
    263 	(BUILDTESTS): Add mtest, xztest, xztest_alloc.
    264 	(CLEANFILES): Add files created by minidebug pattern.
    265 	(btest.lo): Correct INCDIR reference.
    266 	(mtest.lo, xztest.lo, ztest.lo): New targets.
    267 	* configure: Regenerate.
    268 	* config.h.in: Regenerate.
    269 	* Makefile.in: Regenerate.
    270 
    271 2020-09-09  Ian Lance Taylor  <iant (a] golang.org>
    272 
    273 	* pecoff.c (coff_initialize_syminfo): Add is_64 parameter.
    274 	(coff_add): Determine and pass is_64.
    275 
    276 2020-09-09  Ian Lance Taylor  <iant (a] golang.org>
    277 
    278 	PR libbacktrace/96973
    279 	* fileline.c (macho_get_executable_path): New static function.
    280 	(fileline_initialize): Call macho_get_executable_path.
    281 
    282 2020-09-09  Ian Lance Taylor  <iant (a] golang.org>
    283 
    284 	* dwarf.c (function_addrs_search): Compare against the next entry
    285 	low address, not the high address.
    286 	(unit_addrs_search): Likewise.
    287 	(build_address_map): Add a trailing unit_addrs.
    288 	(read_function_entry): Add a trailing function_addrs.
    289 	(read_function_info): Likewise.
    290 	(report_inlined_functions): Search backward for function_addrs
    291 	match.
    292 	(dwarf_lookup_pc): Search backward for unit_addrs and
    293 	function_addrs matches.
    294 
    295 2020-09-08  Ian Lance Taylor  <iant (a] golang.org>
    296 
    297 	* simple.c (simple_unwind): Correct comment spelling.
    298 
    299 2020-09-08  Ian Lance Taylor  <iant (a] golang.org>
    300 
    301 	* macho.c (macho_add_dsym): Make space for '/' in dsym.  Use
    302 	correct length when freeing diralc.
    303 
    304 2020-09-08  Ian Lance Taylor  <iant (a] golang.org>
    305 
    306 	PR libbacktrace/96973
    307 	* macho.c (macho_add_fat): Correctly swap 32-bit file offset.
    308 
    309 2020-09-08  Ian Lance Taylor  <iant (a] golang.org>
    310 
    311 	PR libbacktrace/96971
    312 	* filetype.awk: Only match magic number at start of line.
    313 
    314 2020-08-24  Ian Lance Taylor  <iant (a] golang.org>
    315 
    316 	* macho.c (MACH_O_MH_MAGIC_FAT_64): Define.
    317 	(MACH_O_MH_CIGAM_FAT_64): Define.
    318 	(struct macho_fat_arch_64): Define.
    319 	(macho_add_fat): Add and use is_64 parameter.
    320 	(macho_add): Recognize 64-bit fat files.
    321 
    322 2020-07-30  H.J. Lu  <hjl.tools (a] gmail.com>
    323 
    324 	PR bootstrap/96202
    325 	* configure: Regenerated.
    326 
    327 2020-07-08  Ian Lance Taylor  <iant (a] golang.org>
    328 
    329 	* configure.ac: Test linker support for DWARF5
    330 	* configure: Regenerate
    331 
    332 2020-05-29  H.J. Lu  <hjl.tools (a] gmail.com>
    333 
    334 	PR bootstrap/95413
    335 	* configure: Regenerated.
    336 
    337 2020-05-15  H.J. Lu  <hongjiu.lu (a] intel.com>
    338 
    339 	PR bootstrap/95147
    340 	* configure: Regenerated.
    341 
    342 2020-05-14  H.J. Lu  <hongjiu.lu (a] intel.com>
    343 
    344 	* configure: Regenerated.
    345 
    346 2020-05-13  Ian Lance Taylor  <iant (a] golang.org>
    347 
    348 	* ztest.c (test_large): Mark state ATTRIBUTE_UNUSED.
    349 
    350 2020-05-13  Ian Lance Taylor  <iant (a] golang.org>
    351 
    352 	PR go/95061
    353 	* posix.c (backtrace_open): Treat EACCESS like ENOENT.
    354 
    355 2020-05-12  H.J. Lu  <hongjiu.lu (a] intel.com>
    356 
    357 	* Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS).
    358 	* configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and
    359 	AC_SUBST(CET_HOST_FLAGS).  Clear CET_HOST_FLAGS if jit isn't
    360 	enabled.
    361 	* Makefile.in: Regenerated.
    362 	* configure: Likewise.
    363 
    364 2020-05-11  Ian Lance Taylor  <iant (a] golang.org>
    365 
    366 	PR libbacktrace/95012
    367 	* configure.ac: Check for getpagesize declaration.
    368 	* mmap.c: Declare getpagesize if necessary.
    369 	* mmapio.c: Likewise.
    370 	* configure: Regenerate.
    371 	* config.h.in: Regenerate.
    372 	* Makefile.in: Regenerate.
    373 
    374 2020-05-09  Roland McGrath  <mcgrathr (a] google.com>
    375 
    376 	* elf.c (elf_add): Bail early if there are no section headers at all.
    377 
    378 2020-05-09  Ian Lance Taylor  <iant (a] golang.org>
    379 
    380 	* elf.c (elf_add): Don't free strtab if an error occurs after
    381 	recording symbol information.
    382 
    383 2020-05-09  Ian Lance Taylor  <iant (a] golang.org>
    384 
    385 	PR libbacktrace/88745
    386 	* macho.c: New file.
    387 	* filetype.awk: Recognize Mach-O files.
    388 	* Makefile.am (FORMAT_FILES): Add macho.c.
    389 	(check_DATA): New variable.  Set to .dSYM if HAVE_DSYMUTIL.
    390 	(%.dSYM): New pattern target.
    391 	(test_macho_SOURCES, test_macho_CFLAGS): New targets.
    392 	(test_macho_LDADD): New target.
    393 	(BUILDTESTS): Add test_macho.
    394 	(macho.lo): Add dependencies.
    395 	* configure.ac: Recognize macho file type.  Check for
    396 	mach-o/dyld.h.  Don't try to run objcopy if we don't find it.
    397 	Look for dsymutil and define a HAVE_DSYMUTIL conditional.
    398 	* Makefile.in: Regenerate.
    399 	* configure: Regenerate.
    400 	* config.h.in: Regenerate.
    401 
    402 2020-05-09  Ian Lance Taylor  <iant (a] golang.org>
    403 
    404 	* read.c (backtrace_get_view): Support short read.
    405 
    406 2020-05-09  Ian Lance Taylor  <iant (a] golang.org>
    407 
    408 	* elf.c (elf_add): If debug sections are very large or far apart,
    409 	read them individually rather than as a single view.
    410 
    411 2020-05-08  Ian Lance Taylor  <iant (a] golang.org>
    412 
    413 	* fileline.c (sysctl_exec_name): New static function.
    414 	(sysctl_exec_name1): New macro or static function.
    415 	(sysctl_exec_name2): Likewise.
    416 	(fileline_initialize): Try sysctl_exec_name[12].
    417 	* configure.ac: Check for sysctl args to fetch executable name.
    418 	* configure: Regenerate.
    419 	* config.h.in: Regenerate.
    420 
    421 2020-02-15  Ian Lance Taylor  <iant (a] golang.org>
    422 
    423 	* ztest.c (test_large): Update file to current libgo test file.
    424 
    425 2020-02-03  Ian Lance Taylor  <iant (a] golang.org>
    426 
    427 	* Makefile.am (libbacktrace_TEST_CFLAGS): Define.
    428 	(test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
    429 	(test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
    430 	(test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
    431 	(test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
    432 	(unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
    433 	(b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
    434 	(btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
    435 	(stest_alloc_CFLAGS): Likewise.
    436 	* Makefile.in: Regenerate.
    437 	* ztest.c (error_callback_compress): Mark vdata unused.
    438 	(test_large): Add casts to avoid warnings.
    439 
    440 2020-01-01  Jakub Jelinek  <jakub (a] redhat.com>
    441 
    442 	Update copyright years.
    443 
    444 2019-12-13  Ian Lance Taylor  <iant (a] golang.org>
    445 
    446 	Add DWARF 5 support.
    447 	* dwarf.c (struct attr): Add val field.
    448 	(enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
    449 	ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
    450 	(struct line_header): Add addrsize field.
    451 	(struct line_header_format): Define.
    452 	(struct unit): Add str_offsets_base, addr_base, and rnglists_base
    453 	fields.
    454 	(read_uint24): New static function.
    455 	(read_attribute): Add implicit_val parameter.  Replace dwarf_str
    456 	and dwarf_str_size parameters with dwarf_sections parameter.  Add
    457 	support for new DWARF 5 forms.  Change all callers.
    458 	(resolve_string): New static function.
    459 	(resolve_addr_index): Likewise.
    460 	(read_abbrevs): Support DW_FORM_implicit_const.
    461 	(struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
    462 	and ranges_is_index fields.
    463 	(update_pcrange): Support DWARF 5 encodings.
    464 	(add_high_low_range): New static function, split out of
    465 	add_ranges.
    466 	(add_ranges_from_ranges): Likewise.
    467 	(add_ranges_from_rnglists): New static function.
    468 	(add_ranges): Just call new helper functions.
    469 	(find_address_ranges): Use resolve_string for strings, after
    470 	reading all attributes.  Handle new DWARF 5 attributes.
    471 	(build_address_map): Support DWARF 5 compilation units.
    472 	(read_v2_paths): New static function, split out of
    473 	read_line_header.
    474 	(read_lnct): New static	function.
    475 	(read_line_header_format_entries): Likewise.
    476 	(read_line_header): Add ddata parameter.  Support DWARF 5 line
    477 	headers.  Call new helper functions.  Change all callers.
    478 	(read_line_program): Use addrsize from line program header.  Don't
    479 	special case directory index 0 for DWARF 5.
    480 	(read_referenced_name): Use resolve_string.
    481 	(read_function_entry): Handle DWARF 5 encodings.  Use
    482 	resolve_string.
    483 	* internal.h (enum dwarf_section): Add DEBUG_ADDR,
    484 	DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
    485 	* elf.c (dwarf_section_names): Add new section names.
    486 	* pecoff.c (dwarf_section_names): Likewise.
    487 	* xcoff.c (xcoff_add): Clear dwarf_sections before setting
    488 	fields.
    489 	* configure.ac: Define HAVE_DWARF5 automake conditional.
    490 	* Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
    491 	(dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
    492 	(dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
    493 	(dwarf5_alloc_LDADD): Likewise.
    494 	(BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
    495 	(CLEANFILES, clean-local): Define.
    496 
    497 2019-12-08  Ian Lance Taylor  <iant (a] golang.org>
    498 
    499 	* dwarf.c (struct pcrange): Define.
    500 	(update_pcrange, add_ranges): New static functions.
    501 	(add_unit_addr): Change signature to work with add_ranges.  Don't
    502 	add base_address here.
    503 	(add_unit_ranges): Remove.
    504 	(find_address_ranges): Replace str/ranges parameters with
    505 	dwarf_sections.  Use update_pcrange and add_ranges.  Change all
    506 	callers.
    507 	(add_function_range): Change signature to work with add_ranges.
    508 	Don't add base_address here.
    509 	(add_function_ranges): Remove.
    510 	(read_function_entry): Use update_pcrange and add_ranges.
    511 
    512 2019-12-04  Ian Lance Taylor  <iant (a] golang.org>
    513 
    514 	* edtest.c (test1): Add noclone attribute.
    515 
    516 2019-12-04  Ian Lance Taylor  <iant (a] golang.org>
    517 
    518 	* internal.h (enum dwarf_section): Define.
    519 	(struct dwarf_sections): Define.
    520 	(backtrace_dwarf_add): Update declaration to replace specific
    521 	section parameters with dwarf_sections parameter.
    522 	* dwarf.c (struct dwarf_data): Replace specific section fields
    523 	with dwarf_sections field.
    524 	(read_attribute): Use dwarf_sections with altlink.
    525 	(build_address_map): Replace specific section parameters with
    526 	dwarf_sections parameter.  Change all callers.
    527 	(read_line_info): Use dwarf_sections with ddata.
    528 	(read_referenced_name): Likewise.
    529 	(add_function_ranges): Likewise.
    530 	(read_function_entry): Likewise.
    531 	(read_function_info): Likewise.
    532 	(build_dwarf_data): Replace specific section parameters with
    533 	dwarf_sections parameter.  Change all callers.
    534 	(backtrace_dwarf_add): Likewise.
    535 	* elf.c (enum debug_section): Remove.
    536 	(dwarf_section_names): Remove .zdebug names.
    537 	(elf_add): Track zsections separately.  Build dwarf_sections.
    538 	* pecoff.c (enum debug_section): Remove.
    539 	(struct debug_section_info): Remove data field.
    540 	(coff_add): Build dwarf_sections.
    541 	* xcoff.c (enum dwarf_section): Remove.  Replace DWSECT_xxx
    542 	references with DEBUG_xxx references.
    543 	(xcoff_add): Build dwarf_sections.
    544 
    545 2019-09-27  Maciej W. Rozycki  <macro (a] wdc.com>
    546 
    547 	* configure: Regenerate.
    548 
    549 2019-09-26  Ian Lance Taylor  <iant (a] golang.org>
    550 
    551 	PR libbacktrace/91908
    552 	* pecoff.c (backtrace_initialize): Explicitly cast unchecked
    553 	__sync_bool_compare_and_swap to void.
    554 	* xcoff.c (backtrace_initialize): Likewise.
    555 
    556 2019-09-03  Ulrich Weigand  <uweigand (a] de.ibm.com>
    557 
    558 	* configure.ac: Remove references to spu.
    559 	* configure: Regenerate.
    560 
    561 2019-05-24  Clement Chigot  <clement.chigot (a] atos.net>
    562 
    563 	* Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
    564 	test_elf_64.
    565 	* Makefile.in: Regenerate.
    566 
    567 2019-05-14  Rainer Orth  <ro (a] CeBiTec.Uni-Bielefeld.DE>
    568 
    569 	* configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
    570 	handling.
    571 	* configure: Regenerate.
    572 
    573 2019-03-11  Ian Lance Taylor  <iant (a] golang.org>
    574 
    575 	PR libbacktrace/89669
    576 	* Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
    577 	HAVE_ELF.
    578 	* Makefile.in: Regenerate.
    579 
    580 2019-02-26  Tom de Vries  <tdevries (a] suse.de>
    581 
    582 	* btest.c (test5): Allow global.* as minimal symbol name for global.
    583 
    584 2019-02-26  Tom de Vries  <tdevries (a] suse.de>
    585 
    586 	* Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
    587 	* Makefile.in: Regenerate.
    588 
    589 2019-02-12  Tom de Vries  <tdevries (a] suse.de>
    590 
    591 	PR libbacktrace/81983
    592 	* dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
    593 
    594 2019-02-10  Tom de Vries  <tdevries (a] suse.de>
    595 
    596 	* Makefile.am (BUILDTESTS): Add btest_lto.
    597 	* Makefile.in: Regenerate.
    598 	* btest.c (test1, f2, f3, test3, f22, f23): Declare with
    599 	__attribute__((noclone)).
    600 
    601 2019-02-08  Tom de Vries  <tdevries (a] suse.de>
    602 
    603 	* backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
    604 	* print.c (backtrace_print): Same.
    605 	* simple.c (backtrace_simple): Same.
    606 
    607 2019-02-08  Tom de Vries  <tdevries (a] suse.de>
    608 
    609 	PR libbacktrace/78063
    610 	* dwarf.c (build_address_map): Keep all parsed units.
    611 	(read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
    612 
    613 2019-01-31  Tom de Vries  <tdevries (a] suse.de>
    614 
    615 	PR libbacktrace/89136
    616 	* elf.c (elf_add): Read build-id if with_buildid_data.  Fix
    617 	'debugaltlink_name_len =+ 1'.
    618 
    619 2019-01-29  Tom de Vries  <tdevries (a] suse.de>
    620 
    621 	* install-debuginfo-for-buildid.sh.in: New script.
    622 	* Makefile.am (check_PROGRAMS): Add b2test and b3test.
    623 	(TESTS): Add b2test_buildid and b3test_dwz_buildid.
    624 	* Makefile.in: Regenerate.
    625 	* configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
    626 	(READELF): Set with AC_CHECK_PROG.
    627 	(install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
    628 	* configure: Regenerate.
    629 	* elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
    630 	(elf_open_debugfile_by_buildid): ... here.
    631 
    632 2019-01-29  Tom de Vries  <tdevries (a] suse.de>
    633 
    634 	* Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
    635 	allocfail.
    636 	(TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
    637 	(check_PROGRAMS): Add BUILDTESTS.
    638 	* Makefile.in: Regenerate.
    639 
    640 2019-01-28  Tom de Vries  <tdevries (a] suse.de>
    641 
    642 	* Makefile.am (xcoff_%.c): Generate sed result into temporary file.
    643 	Use $< to access prerequisite.
    644 	* Makefile.in: Regenerate.
    645 
    646 2019-01-25  Nathan Sidwell  <nathan (a] acm.org>
    647 
    648 	* elf.c (elf_add): Pass "" filename to recursive call with
    649 	separated debug.
    650 
    651 2019-01-25  Tom de Vries  <tdevries (a] suse.de>
    652 
    653 	* elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
    654 	filename == "".
    655 	* Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
    656 	* Makefile.in: Regenerate.
    657 
    658 2019-01-25  Tom de Vries  <tdevries (a] suse.de>
    659 
    660 	* Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
    661 	(TESTS): Rename dtest to btest_gnudebuglink.
    662 	* Makefile.in: Regenerate.
    663 
    664 2019-01-23  Tom de Vries  <tdevries (a] suse.de>
    665 
    666 	* dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
    667 	(units_search, find_unit): Use size_t for offset.
    668 	(build_address_map): Use size_t for unit_offset.
    669 
    670 2019-01-20  Gerald Pfeifer  <gerald (a] pfeifer.com>
    671 
    672 	* allocfail.c (main): Increase portability of printf statement.
    673 
    674 2019-01-18  Ian Lance Taylor  <iant (a] golang.org>
    675 
    676 	PR libbacktrace/88890
    677 	* mmapio.c (backtrace_get_view): Change size parameter to
    678 	uint64_t.  Check that value fits in size_t.
    679 	* read.c (backtrace_get_view): Likewise.
    680 	* internal.h (backtrace_get_view): Update declaration.
    681 	* elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
    682 
    683 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    684 
    685 	PR libbacktrace/82857
    686 	* configure.ac (DWZ): Set with AC_CHECK_PROG.
    687 	(HAVE_DWZ): Set with AM_CONDITIONAL.
    688 	* configure: Regenerate.
    689 	* Makefile.am (TESTS): Add btest_dwz.
    690 	* Makefile.in: Regenerate.
    691 
    692 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    693 
    694 	PR libbacktrace/82857
    695 	* dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
    696 	(read_attribute): Handle DW_FORM_GNU_ref_alt using
    697 	ATTR_VAL_REF_ALT_INFO.
    698 	(read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
    699 
    700 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    701 
    702 	* dwarf.c (struct unit): Add low_offset and high_offset fields.
    703 	(struct unit_vector): New type.
    704 	(struct dwarf_data): Add units and units_counts fields.
    705 	(find_unit): New function.
    706 	(find_address_ranges): Add and handle unit_tag parameter.
    707 	(build_address_map): Add and handle units_vec parameter.
    708 	(build_dwarf_data): Pass units_vec to build_address_map.  Store resulting
    709 	units vector.
    710 
    711 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    712 
    713 	PR libbacktrace/82857
    714 	* dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
    715 	using altlink.
    716 
    717 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    718 
    719 	* dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
    720 	(read_attribute): Add altlink parameter.  Handle missing altlink for
    721 	DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
    722 	(find_address_ranges, build_address_map, build_dwarf_data): Add and
    723 	handle altlink parameter.
    724 	(read_referenced_name, read_function_entry): Add argument to
    725 	read_attribute call.
    726 
    727 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    728 
    729 	* dwarf.c (struct dwarf_data): Add altlink field.
    730 	(backtrace_dwarf_add): Add and handle fileline_altlink parameter.
    731 	* elf.c	(elf_add): Add argument to backtrace_dwarf_add call.
    732 	(phdr_callback, backtrace_initialize): Add argument to elf_add calls.
    733 	* internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
    734 	* pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
    735 	* xcoff.c (xcoff_add): Same.
    736 
    737 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    738 
    739 	* internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
    740 	* dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
    741 	* elf.c	(elf_add): Add and handle fileline_entry parameter.  Add
    742 	argument to backtrace_dwarf_add call.
    743 	(phdr_callback, backtrace_initialize): Add argument to elf_add calls.
    744 	* pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
    745 	* xcoff.c (xcoff_add): Same.
    746 
    747 2019-01-17  Tom de Vries  <tdevries (a] suse.de>
    748 
    749 	* elf.c (elf_add): Add and handle with_buildid_data and
    750 	with_buildid_size parameters.  Handle .gnu_debugaltlink section.
    751 	(phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
    752 
    753 2019-01-16  Tom de Vries  <tdevries (a] suse.de>
    754 
    755 	* dwarf.c (read_referenced_name_from_attr): New function.  Factor out
    756 	of ...
    757  	(read_referenced_name): ... here, and ...
    758 	(read_function_entry): ... here.
    759 
    760 2019-01-16  Tom de Vries  <tdevries (a] suse.de>
    761 
    762 	* dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
    763 	name.
    764 	(read_function_entry): Same.  Don't allow name found via
    765 	DW_AT_abstract_origin or case DW_AT_specification to override linkage
    766 	name.
    767 
    768 2019-01-09  Sandra Loosemore  <sandra (a] codesourcery.com>
    769 
    770 	PR other/16615
    771 
    772 	* backtrace.h: Mechanically replace "can not" with "cannot".
    773 
    774 2019-01-01  Jakub Jelinek  <jakub (a] redhat.com>
    775 
    776 	Update copyright years.
    777 
    778 2018-12-29  Gerald Pfeifer  <gerald (a] pfeifer.com>
    779 
    780 	* Makefile.am (xcoff_%.c): Use an actual newline instead of \n
    781 	in sed pattern.
    782 	* Makefile.in: Regenerate.
    783 
    784 2018-12-28  Tom de Vries  <tdevries (a] suse.de>
    785 
    786 	* dwarf.c (build_address_map): Reuse unused units.
    787 
    788 2018-12-28  Tom de Vries  <tdevries (a] suse.de>
    789 
    790 	* dwarf.c (build_address_map): Simplify by removing local variable
    791 	abbrevs.
    792 
    793 2018-12-28  Ian Lance Taylor  <iant (a] golang.org>
    794 	    Tom de Vries  <tdevries (a] suse.de>
    795 
    796 	PR libbacktrace/88063
    797 	* dwarf.c (free_unit_addrs_vector): Remove.
    798 	(build_address_map): Keep track of allocated units in vector.  Free
    799 	allocated units and corresponding abbrevs upon failure.  Remove now
    800 	redundant call to free_unit_addrs_vector.  Free addrs vector upon
    801 	failure.  Free allocated unit vector.
    802 
    803 2018-12-28  Tom de Vries  <tdevries (a] suse.de>
    804 
    805 	* dwarf.c (build_address_map): Free addrs vector upon failure.
    806 
    807 2018-12-14  Tom de Vries  <tdevries (a] suse.de>
    808 
    809 	PR testsuite/88491
    810 	* allocfail.sh: Remove "set -o pipefail".
    811 
    812 2018-12-12  Tom de Vries  <tdevries (a] suse.de>
    813 
    814 	* Makefile.am (TESTS): Add allocfail.sh.
    815 	(check_PROGRAMS): Add allocfail.
    816 	* Makefile.in: Regenerate.
    817 	* instrumented_alloc.c: New file.  Redefine malloc and realloc.
    818 	Include alloc.c.
    819 	* allocfail.c: New file.
    820 	* allocfail.sh: New file.
    821 
    822 2018-11-30  Tom de Vries  <tdevries (a] suse.de>
    823 
    824 	* Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
    825 	test_xcoff_64, test_pecoff and test_unknown.
    826 	* Makefile.in: Regenerate.
    827 	* test_format.c: New file.
    828 
    829 2018-11-30  Tom de Vries  <tdevries (a] suse.de>
    830 
    831 	* Makefile.am : Add _with_alloc version for each test in
    832 	check_PROGRAMS.
    833 	* Makefile.in: Regenerate.
    834 
    835 2018-11-30  Tom de Vries  <tdevries (a] suse.de>
    836 
    837 	* internal.h (backtrace_vector_free): New static inline fuction,
    838 	factored out of ...
    839 	* dwarf.c (read_line_info): ... here.
    840 
    841 2018-11-28  Tom de Vries  <tdevries (a] suse.de>
    842 
    843 	* dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
    844 	failure.
    845 
    846 2018-11-27  Tom de Vries  <tdevries (a] suse.de>
    847 
    848 	* mmap.c (backtrace_vector_release): Same.
    849 	* unittest.c (test1): Add check.
    850 
    851 2018-11-27  Tom de Vries  <tdevries (a] suse.de>
    852 
    853 	* alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
    854 	instead of realloc.
    855 	* Makefile.am (check_PROGRAMS): Add unittest.
    856 	* Makefile.in: Regenerate.
    857 	* unittest.c: New file.
    858 
    859 2018-11-22  Tom de Vries  <tdevries (a] suse.de>
    860 
    861 	* dwarf.c (read_initial_length): Factor out of ...
    862 	(build_address_map, read_line_info): ... here.
    863 
    864 2018-11-21  Tom de Vries  <tdevries (a] suse.de>
    865 
    866 	* dwarf.c (read_string): Factor out of ...
    867 	(read_attribute, read_line_header, read_line_program): ... here.
    868 
    869 2018-10-31  Joseph Myers  <joseph (a] codesourcery.com>
    870 
    871 	PR bootstrap/82856
    872 	* Makefile.am: Include multilib.am.
    873 	* configure.ac: Remove AC_PREREQ.  Use AC_LANG_SOURCE.
    874 	* Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
    875 
    876 2018-10-05  Ian Lance Taylor  <iant (a] golang.org>
    877 
    878 	PR libbacktrace/87529
    879 	* backtrace.h: Document that backtrace_create_state should be
    880 	called only once.
    881 
    882 2018-08-05 Iain Buclaw  <ibuclaw (a] gdcproject.org>
    883 
    884 	* configure.ac: Move define of HAVE_ZLIB into check for -lz.
    885 	* Makefile.in: Regenerate.
    886 	* config.h.in: Likewise.
    887 	* configure: Likewise.
    888 
    889 2018-08-01  Tony Reix  <tony.reix (a] atos.net>
    890 
    891 	* xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
    892 	(struct xcoff_func, struct xcoff_func_vector): New structs.
    893 	(xcoff_syminfo): Drop leading dot from symbol name.
    894 	(xcoff_line_compare, xcoff_line_search): Remove.
    895 	(xcoff_func_compare, xcoff_func_search): New static functions.
    896 	(xcoff_lookup_pc): Search function table.
    897 	(xcoff_add_line, xcoff_process_linenos): Remove.
    898 	(xcoff_initialize_fileline): Build function table.
    899 
    900 2018-06-21 Denis Khalikov <d.khalikov (a] partner.samsung.com>
    901 
    902 	PR other/86198
    903 	* elf.c (elf_add): Increase ".note.gnu.build-id" section size
    904 	checking up to 36 bytes.
    905 
    906 2018-04-24  H.J. Lu  <hongjiu.lu (a] intel.com>
    907 
    908 	* configure: Regenerated.
    909 
    910 2018-04-19  Jakub Jelinek  <jakub (a] redhat.com>
    911 
    912 	* configure: Regenerated.
    913 
    914 2018-04-17  Ian Lance Taylor  <iant (a] golang.org>
    915 
    916 	* backtrace.c: Revert last two changes.  Don't call mmap
    917 	directly.
    918 
    919 2018-04-17  Ian Lance Taylor  <iant (a] golang.org>
    920 
    921 	* backtrace.c: Include backtrace-supported.h before checking
    922 	BACKTRACE_USES_MALLOC.
    923 
    924 2018-04-17  Ian Lance Taylor  <iant (a] golang.org>
    925 
    926 	* backtrace.c (backtrace_full): When testing whether we can
    927 	allocate memory, call mmap directly, and munmap the memory.
    928 
    929 2018-04-04  Jakub Jelinek  <jakub (a] redhat.com>
    930 
    931 	PR other/85161
    932 	* elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
    933 	big endian, only use 32-bit loads if endianity macros are predefined
    934 	and indicate big or little endian.
    935 
    936 2018-02-14  Igor Tsimbalist  <igor.v.tsimbalist (a] intel.com>
    937 
    938 	PR target/84148
    939 	* configure: Regenerate.
    940 
    941 2018-02-15  Jakub Jelinek  <jakub (a] redhat.com>
    942 
    943 	PR other/82368
    944 	* elf.c (SHT_PROGBITS): Undefine and define.
    945 
    946 2018-02-14  Jakub Jelinek  <jakub (a] redhat.com>
    947 
    948 	PR other/82368
    949 	* elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
    950 	(struct elf_ppc64_opd_data): New type.
    951 	(elf_initialize_syminfo): Add opd argument, handle symbols
    952 	pointing into the PowerPC64 ELFv1 .opd section.
    953 	(elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
    954 	to structure with .opd data to elf_initialize_syminfo.
    955 
    956 2018-01-31  Ian Lance Taylor  <iant (a] golang.org>
    957 
    958 	* elf.c (elf_add): Close descriptor if we use a debugfile.
    959 	* btest.c (check_open_files): New static function.
    960 	(main): Call check_open_files.
    961 
    962 2018-01-25  Ian Lance Taylor  <iant (a] golang.org>
    963 
    964 	* elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
    965 	desired CRC is zero.
    966 	(elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
    967 
    968 2018-01-25  Ian Lance Taylor  <iant (a] golang.org>
    969 
    970 	* pecoff.c (coff_add): Only release syms_view if it is valid.
    971 
    972 2018-01-25  Ian Lance Taylor  <iant (a] golang.org>
    973 
    974 	* pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
    975 
    976 2018-01-24  Ian Lance Taylor  <iant (a] golang.org>
    977 
    978 	* pecoff.c (coff_add): Use coff_read4, not memcpy.
    979 
    980 2018-01-24  Ian Lance Taylor  <iant (a] golang.org>
    981 
    982 	PR other/68239
    983 	* mmap.c (backtrace_free_locked): Don't put more than 16 entries
    984 	on the free list.
    985 
    986 2018-01-19  Tony Reix  <tony.reix (a] atos.net>
    987 
    988 	* xcoff.c (xcoff_incl_compare): New function.
    989 	(xcoff_incl_search): New function.
    990 	(xcoff_process_linenos): Use bsearch to find include file.
    991 	(xcoff_initialize_fileline): Sort include file information.
    992 
    993 2018-01-16  Ian Lance Taylor  <iant (a] golang.org>
    994 
    995 	* elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
    996 	288.
    997 	(main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
    998 	elf_zlib_inflate_table.  Generate elf_zlib_default_dist_table.
    999 	(elf_zlib_default_table): Update.
   1000 	(elf_zlib_default_dist_table): New static array.
   1001 	(elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
   1002 	for block type 1.
   1003 	* ztest.c (struct zlib_test): Add uncompressed_len.
   1004 	(tests): Initialize uncompressed_len field.  Add new test case.
   1005 	(test_samples): Use uncompressed_len field.
   1006 
   1007 2018-01-03  Jakub Jelinek  <jakub (a] redhat.com>
   1008 
   1009 	Update copyright years.
   1010 
   1011 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist (a] intel.com>
   1012 
   1013 	* configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
   1014 	* aclocal.m4: Regenerate.
   1015 	* Makefile.in: Likewise.
   1016 	* configure: Likewise.
   1017 
   1018 2017-10-06  Ian Lance Taylor  <iant (a] golang.org>
   1019 
   1020 	* ztest.c (test_large): Pass unsigned long *, not size_t *, to
   1021 	zlib uncompress function.
   1022 
   1023 2017-10-05  Ian Lance Taylor  <iant (a] golang.org>
   1024 
   1025 	* elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
   1026 	Read a four byte integer.
   1027 	(elf_zlib_inflate): Change val to uint64_t.  Align pin to a 32-bit
   1028 	boundary before ever calling elf_zlib_fetch.
   1029 	* ztest.c (test_large): Simplify print statements a bit.
   1030 
   1031 2017-10-02  Ian Lance Taylor  <iant (a] golang.org>
   1032 
   1033 	* ztest.c: #include <errno.h>.
   1034 	(TEST_TIMING): Don't define, don't test.
   1035 	(xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
   1036 	(clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
   1037 	(ZLIB_CLOCK_GETTIME_ARG): Define.
   1038 	* configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
   1039 	* Makefile.am: Likewise.
   1040 	* configure, Makefile.in: Rebuild.
   1041 
   1042 2017-10-02  Thomas Schwinge  <thomas (a] codesourcery.com>
   1043 
   1044 	PR other/67165
   1045 	* Makefile.am: Append the content of clock_gettime_link to
   1046 	ztest_LDADD.
   1047 	* configure.ac: Test for the case that clock_gettime is in librt.
   1048 	* Makefile.in: Regenerate.
   1049 	* configure: Likewise.
   1050 
   1051 	PR other/67165
   1052 	* configure.ac: Check for clock_gettime.
   1053 	* config.h.in: Regenerate.
   1054 	* configure: Likewise.
   1055 	* ztest.c (average_time, test_large): Conditionalize test timing
   1056 	on clock_gettime availability.
   1057 
   1058 2017-09-29  Tony Reix  <tony.reix (a] atos.net>
   1059 
   1060 	* xcoff.c: Initial support for DWARF debug sections in XCOFF.
   1061 	(STYP_DWARF, SSUBTYP_DW*): Define.
   1062 	(enum dwarf_section): Define.
   1063 	(struct dwsect_info): Define.
   1064 	(xcoff_add): Look for DWARF sections, pass them to
   1065 	backtrace_dwarf_add.
   1066 
   1067 2017-09-28  Ian Lance Taylor  <iant (a] golang.org>
   1068 
   1069 	PR other/67165
   1070 	* elf.c (__builtin_prefetch): Define if not __GNUC__.
   1071 	(unlikely): Define.
   1072 	(SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
   1073 	(b_elf_chdr): Define type.
   1074 	(enum debug_section): Add ZDEBUG_xxx values.
   1075 	(debug_section_names): Add names for new sections.
   1076 	(struct debug_section_info): Add compressed field.
   1077 	(elf_zlib_failed, elf_zlib_fetch): New static functions.
   1078 	(HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
   1079 	(HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
   1080 	(HUFFMAN_SECONDARY_SHIFT): Define.
   1081 	(ZDEBUG_TABLE_SIZE): Define.
   1082 	(ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
   1083 	(final_next_secondary): New static variable if
   1084 	BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
   1085 	(elf_zlib_inflate_table): New static function.
   1086 	(BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
   1087 	function to produce fixed Huffman table.
   1088 	(elf_zlib_default_table): New static variable.
   1089 	(elf_zlib_inflate): New static function.
   1090 	(elf_zlib_verify_checksum): Likewise.
   1091 	(elf_zlib_inflate_and_verify): Likewise.
   1092 	(elf_uncompress_zdebug): Likewise.
   1093 	(elf_uncompress_chdr): Likewise.
   1094 	(backtrace_uncompress_zdebug): New extern function.
   1095 	(elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
   1096 	sections, and uncompress them.
   1097 	* internal.h (backtrace_compress_zdebug): Declare.
   1098 	* ztest.c: New file.
   1099 	* configure.ac: Check for -lz and check whether the linker
   1100 	supports --compress-debug-sections.
   1101 	* Makefile.am (ztest_SOURCES): New variable.
   1102 	(ztest_CFLAGS, ztest_LDADD): New variables.
   1103 	(check_PROGRAMS): Add ztest.
   1104 	(ctestg_SOURCES): New variable.
   1105 	(ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
   1106 	(ctesta_SOURCES): New variable.
   1107 	(ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
   1108 	(check_PROGRAMS): Add ctestg and ctesta.
   1109 	* configure, config.h.in, Makefile.in: Rebuild.
   1110 
   1111 2017-09-22  Ian Lance Taylor  <iant (a] golang.org>
   1112 
   1113 	PR sanitizer/77631
   1114 	* configure.ac: Check for lstat and readlink.
   1115 	* elf.c (lstat, readlink): Provide dummy versions if real versions
   1116 	are not available.
   1117 	* configure, config.h.in: Rebuild.
   1118 
   1119 2017-09-21  Ian Lance Taylor  <iant (a] google.com>
   1120 
   1121 	PR go/82284
   1122 	* elf.c (backtrace_initialize): Set pd.exe_filename.
   1123 
   1124 2017-09-20  Ian Lance Taylor  <iant (a] golang.org>
   1125 	    Denis Khalikov  <d.khalikov (a] partner.samsung.com>
   1126 
   1127 	PR sanitizer/77631
   1128 	Support for external debug info.
   1129 	* elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
   1130 	(S_ISLNK): Define if not defined.
   1131 	(xstrnlen): Define if strnlen is not available.
   1132 	(b_elf_note): Define type.
   1133 	(NT_GNU_BUILD_ID): Define macro.
   1134 	(elf_crc32, elf_crc32_file): New static functions.
   1135 	(elf_is_symlink, elf_readlink): New static functions.
   1136 	(elf_open_debugfile_by_buildid): New static function.
   1137 	(elf_try_debugfile): New static function.
   1138 	(elf_find_debugfile_by_debuglink): New static function.
   1139 	(elf_open_debugfile_by_debuglink): New static function.
   1140 	(elf_add): Add filename and debuginfo parameters.  Adjust all
   1141 	callers.  Look for external debug info notes, and try to fetch
   1142 	debug info from external file.
   1143 	(struct phdr_data): Add exe_filename field.
   1144 	(phdr_callback): Pass filename to elf_add.
   1145 	(backtrace_initialize): Add filename parameter.
   1146 	* internal.h (backtrace_initialize): Add filename parameter.
   1147 	* fileline.c (fileline_initialize): Pass filename to
   1148 	backtrace_initialize.
   1149 	* pecoff.c (fileline_initialize): Add unused filename parameter.
   1150 	* unknown.c (fileline_initialize): Likewise.
   1151 	* xcoff.c (fileline_initialize): Likewise.
   1152 	* configure.ac: Check for objcopy --add-gnu-debuglink.
   1153 	* Makefile.am (dtest): New test target.
   1154 	* configure, Makefile.in: Rebuild.
   1155 
   1156 2017-09-12  Steve Ellcey  <sellcey (a] cavium.com>
   1157 
   1158 	PR other/81096
   1159 	* Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
   1160 	* Makefile.in: Regenerate.
   1161 
   1162 2017-09-12  Steve Ellcey  <sellcey (a] cavium.com>
   1163 
   1164 	PR other/81096
   1165 	* libbacktrace/Makefile.in
   1166 	(HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
   1167 
   1168 2017-08-02  David Edelsohn  <dje.gcc (a] gmail.com>
   1169 
   1170 	PR bootstrap/81638
   1171 	* xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
   1172 
   1173 2017-07-28  Tony Reix  <tony.reix (a] atos.net>
   1174 
   1175 	* xcoff.c: Don't leak a file descriptor if an archive is malformed.
   1176 
   1177 2017-07-28  Rainer Orth  <ro (a] CeBiTec.Uni-Bielefeld.DE>
   1178 
   1179 	* fileline.c (fileline_initialize): Print pid_t as long.
   1180 
   1181 2017-07-26  Tony Reix  <tony.reix (a] atos.net>
   1182 
   1183 	* configure.ac: Check for XCOFF32/XCOFF64.  Check for loadquery.
   1184 	* filetype.awk: Separate AIX XCOFF32 and XCOFF64.
   1185 	* xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
   1186 	* configure, config.h.in: Regenerate.
   1187 
   1188 2017-07-21  Tony Reix  <tony.reix (a] atos.net>
   1189 
   1190 	* filetype.awk: Add AIX XCOFF type detection.
   1191 	* configure.ac: Recognize xcoff format.
   1192 	* Makefile.am (FORMAT_FILES): Add xcoff.c.
   1193 	* fileline.c: Include <unistd.h>.
   1194 	(fileline_initialize): Add case for AIX procfs.
   1195 	* xcoff.c: New file.
   1196 	* configure, Makefile.in: Rebuild.
   1197 
   1198 2017-06-21  Richard Biener  <rguenther (a] suse.de>
   1199 
   1200 	* configure.ac: Add AC_SYS_LARGEFILE.
   1201 	* config.h.in: Regenerate.
   1202 	* configure: Likewise.
   1203 
   1204 2017-06-11  Ian Lance Taylor  <iant (a] golang.org>
   1205 
   1206 	* elf.c (backtrace_initialize): Always set *fileline_fn.
   1207 	* ttest.c: New file.
   1208 	* btest.c: Move support functions into testlib.c.  Change calls to
   1209 	check to pass file name.
   1210 	* testlib.c: New file, copied from (part of) btest.c.
   1211 	* testlib.h: New file, declarations for testlib.c.
   1212 	* edtest.c: Use testlib.h and testlib.c.
   1213 	* configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
   1214 	* Makefile.am (btest_SOURCES): Add testlib.c.
   1215 	(edtest_SOURCES): Likewise.
   1216 	(CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
   1217 	(ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
   1218 	* configure, Makefile.in: Rebuild.
   1219 
   1220 2017-05-19  Than McIntosh  <thanm (a] google.com>
   1221 
   1222 	* dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
   1223 	(read_line_header): Don't allocate dirs if dirs_count == 0.
   1224 	* edtest.c: New file.
   1225 	* edtest2.c: New file.
   1226 	* Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
   1227 	(check_PROGRAMS): Add edtest.
   1228 	(edtest2_build.c, gen_edtest2_build): New targets.
   1229 	* Makefile.in: Rebuild.
   1230 
   1231 2017-03-08  Sam Thursfield  <sam.thursfield (a] codethink.co.uk>
   1232 
   1233 	* btest.c (test5): Replace #ifdef guard with 'unused' attribute
   1234 	to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
   1235 
   1236 2017-01-01  Jakub Jelinek  <jakub (a] redhat.com>
   1237 
   1238 	Update copyright years.
   1239 
   1240 2016-11-15  Matthias Klose  <doko (a] ubuntu.com>
   1241 
   1242 	* configure: Regenerate.
   1243 
   1244 2016-09-11  Carlos Liam  <carlos (a] aarzee.me>
   1245 
   1246 	* all: Remove meaningless trailing whitespace.
   1247 
   1248 2016-05-18  Uros Bizjak  <ubizjak (a] gmail.com>
   1249 
   1250 	PR target/71161
   1251 	* elf.c (phdr_callback) [__i386__]: Add
   1252 	__attribute__((__force_align_arg_pointer__)).
   1253 
   1254 2016-03-02  Maxim Ostapenko  <m.ostapenko (a] partner.samsung.com>
   1255 
   1256 	* elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
   1257 	avoid possible crash.
   1258 	(elf_add): Don't set *fileline_fn to elf_nodebug value in case of
   1259 	missing debug info anymore.
   1260 
   1261 2016-02-06  John David Anglin  <danglin (a] gcc.gnu.org>
   1262 
   1263 	* mmap.c (MAP_FAILED): Define if not defined.
   1264 
   1265 2016-01-04  Jakub Jelinek  <jakub (a] redhat.com>
   1266 
   1267 	Update copyright years.
   1268 
   1269 2015-12-18  Andris Pavenis  <andris.pavenis (a] iki.fi>
   1270 
   1271 	* configure.ac: Specify that DJGPP do not have mmap
   1272 	even when sys/mman.h exists.
   1273 	* configure: Regenerate
   1274 
   1275 2015-12-09  John David Anglin  <danglin (a] gcc.gnu.org>
   1276 
   1277 	PR libgfortran/68115
   1278 	* configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
   1279 	* configure: Regenerate.
   1280 	* elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
   1281 	to void.
   1282 
   1283 2015-09-17  Ian Lance Taylor  <iant (a] google.com>
   1284 
   1285 	* posix.c (backtrace_open): Cast second argument of open() to int.
   1286 
   1287 2015-09-11  Ian Lance Taylor  <iant (a] google.com>
   1288 
   1289 	* Makefile.am (backtrace.lo): Depend on internal.h.
   1290 	(sort.lo, stest.lo): Add explicit dependencies.
   1291 	* Makefile.in: Rebuild.
   1292 
   1293 2015-09-09  Hans-Peter Nilsson  <hp (a] axis.com>
   1294 
   1295 	* backtrace.c: #include <sys/types.h>.
   1296 
   1297 2015-09-08  Ian Lance Taylor  <iant (a] google.com>
   1298 
   1299 	PR other/67457
   1300 	* backtrace.c: #include "internal.h".
   1301 	(struct backtrace_data): Add can_alloc field.
   1302 	(unwind): If can_alloc is false, don't try to get file/line
   1303 	information.
   1304 	(backtrace_full): Set can_alloc field in bdata.
   1305 	* alloc.c (backtrace_alloc): Don't call error_callback if it is
   1306 	NULL.
   1307 	* mmap.c (backtrace_alloc): Likewise.
   1308 	* internal.h: Update comments for backtrace_alloc and
   1309 	backtrace_free.
   1310 
   1311 2015-09-08  Ian Lance Taylor  <iant (a] google.com>
   1312 
   1313 	PR other/67457
   1314 	* mmap.c (backtrace_alloc): Correct test for mmap failure.
   1315 
   1316 2015-08-31  Ulrich Weigand  <Ulrich.Weigand (a] de.ibm.com>
   1317 
   1318 	* configure.ac: For spu-*-* targets, set have_fcntl to no.
   1319 	* configure: Regenerate.
   1320 
   1321 2015-08-27  Ulrich Weigand  <Ulrich.Weigand (a] de.ibm.com>
   1322 
   1323 	* configure.ac: Remove [disable-shared] argument to LT_INIT.
   1324 	Remove setting PIC_FLAG when building as target library.
   1325 	* configure: Regenerate.
   1326 
   1327 2015-08-26  Hans-Peter Nilsson  <hp (a] axis.com>
   1328 
   1329 	* configure.ac: Only compile with -fPIC if the target
   1330 	supports it.
   1331 	* configure: Regenerate.
   1332 
   1333 2015-08-24  Ulrich Weigand  <Ulrich.Weigand (a] de.ibm.com>
   1334 
   1335 	* configure.ac: Set have_mmap to no on spu-*-* targets.
   1336 	* configure: Regenerate.
   1337 
   1338 2015-08-13  Ian Lance Taylor  <iant (a] google.com>
   1339 
   1340 	* dwarf.c (read_function_entry): Add vec_inlined parameter.
   1341 	Change all callers.
   1342 
   1343 2015-06-11  Martin Sebor  <msebor (a] redhat.com>
   1344 
   1345 	PR sanitizer/65479
   1346 	* dwarf.c (struct line): Add new field idx.
   1347 	(line_compare): Use it.
   1348 	(add_line): Set it.
   1349 	(read_line_info): Reset it.
   1350 
   1351 2015-05-29  Tristan Gingold  <gingold (a] adacore.com>
   1352 
   1353 	* pecoff.c: New file.
   1354 	* Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
   1355 	* Makefile.in: Regenerate.
   1356 	* filetype.awk: Detect pecoff.
   1357 	* configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
   1358 	Add pecoff.
   1359 	* btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
   1360 	true.
   1361 	* backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
   1362 	* configure: Regenerate.
   1363 	* pecoff.c: New file.
   1364 
   1365 2015-05-13  Michael Haubenwallner  <michael.haubenwallner (a] ssi-schaefer.com>
   1366 
   1367 	* Makefile.in: Regenerated with automake-1.11.6.
   1368 	* aclocal.m4: Likewise.
   1369 	* configure: Likewise.
   1370 
   1371 2015-01-24  Matthias Klose  <doko (a] ubuntu.com>
   1372 
   1373 	* configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
   1374 	* configure: Regenerate.
   1375 
   1376 2015-01-05  Jakub Jelinek  <jakub (a] redhat.com>
   1377 
   1378 	Update copyright years.
   1379 
   1380 2014-11-21  H.J. Lu  <hongjiu.lu (a] intel.com>
   1381 
   1382 	PR bootstrap/63784
   1383 	* configure: Regenerated.
   1384 
   1385 2014-11-11  David Malcolm  <dmalcolm (a] redhat.com>
   1386 
   1387 	* ChangeLog.jit: New.
   1388 
   1389 2014-11-11  Francois-Xavier Coudert  <fxcoudert (a] gcc.gnu.org>
   1390 
   1391 	PR target/63610
   1392 	* configure: Regenerate.
   1393 
   1394 2014-10-23  Ian Lance Taylor  <iant (a] google.com>
   1395 
   1396 	* internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
   1397 	Fix to return void *.
   1398 
   1399 2014-05-08  Ian Lance Taylor  <iant (a] google.com>
   1400 
   1401 	* mmap.c (backtrace_free): If freeing a large aligned block of
   1402 	memory, call munmap rather than holding onto it.
   1403 	(backtrace_vector_grow): When growing a vector, double the number
   1404 	of pages requested.  When releasing the old version of a grown
   1405 	vector, pass the correct size to backtrace_free.
   1406 
   1407 2014-03-07  Ian Lance Taylor  <iant (a] google.com>
   1408 
   1409 	* sort.c (backtrace_qsort): Use middle element as pivot.
   1410 
   1411 2014-03-06  Ian Lance Taylor  <iant (a] google.com>
   1412 
   1413 	* sort.c: New file.
   1414 	* stest.c: New file.
   1415 	* internal.h (backtrace_qsort): Declare.
   1416 	* dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
   1417 	(read_line_info, read_function_entry): Likewise.
   1418 	(read_function_info, build_dwarf_data): Likewise.
   1419 	* elf.c (elf_initialize_syminfo): Likewise.
   1420 	* Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
   1421 	(stest_SOURCES, stest_LDADD): Define.
   1422 	(check_PROGRAMS): Add stest.
   1423 
   1424 2014-02-07  Misty De Meo  <misty (a] brew.sh>
   1425 
   1426 	PR target/58710
   1427 	* configure.ac: Use AC_LINK_IFELSE in check for
   1428 	_Unwind_GetIPInfo.
   1429 	* configure: Regenerate.
   1430 
   1431 2014-01-02  Richard Sandiford  <rdsandiford (a] googlemail.com>
   1432 
   1433 	Update copyright years
   1434 
   1435 2013-12-06  Jakub Jelinek  <jakub (a] redhat.com>
   1436 
   1437 	* elf.c (ET_DYN): Undefine and define again.
   1438 	(elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
   1439 	return early -1 without closing the descriptor.
   1440 	(struct phdr_data): Add exe_descriptor.
   1441 	(phdr_callback): If pd->exe_descriptor is not -1, for very first
   1442 	call if dlpi_name is NULL just call elf_add with the exe_descriptor,
   1443 	otherwise backtrace_close the exe_descriptor if not -1.  Adjust
   1444 	call to elf_add.
   1445 	(backtrace_initialize): Adjust call to elf_add.  If it returns
   1446 	-1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
   1447 
   1448 2013-12-05  Ian Lance Taylor  <iant (a] google.com>
   1449 
   1450 	* alloc.c (backtrace_vector_finish): Add error_callback and data
   1451 	parameters.  Call backtrace_vector_release.  Return address base.
   1452 	* mmap.c (backtrace_vector_finish): Add error_callback and data
   1453 	parameters.  Return address base.
   1454 	* dwarf.c (read_function_info): Get new address base from
   1455 	backtrace_vector_finish.
   1456 	* internal.h (backtrace_vector_finish): Update declaration.
   1457 
   1458 2013-11-27  Ian Lance Taylor  <iant (a] google.com>
   1459 
   1460 	* dwarf.c (find_address_ranges): New static function, broken out
   1461 	of build_address_map.
   1462 	(build_address_map): Call it.
   1463 	* btest.c (check): Check for missing filename or function, rather
   1464 	than crashing.
   1465 	(f3): Check that enough frames were returned.
   1466 
   1467 2013-11-19  Jakub Jelinek  <jakub (a] redhat.com>
   1468 
   1469 	* backtrace.h (backtrace_syminfo_callback): Add symsize argument.
   1470 	* elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
   1471 	last argument.
   1472 	* btest.c (struct symdata): Add size field.
   1473 	(callback_three): Add symsize argument.  Copy it to the data->size
   1474 	field.
   1475 	(f23): Set symdata.size to 0.
   1476 	(test5): Likewise.  If sizeof (int) > 1, lookup address of
   1477 	((uintptr_t) &global) + 1.  Verify symdata.val and symdata.size
   1478 	values.
   1479 
   1480 	* atomic.c: Include sys/types.h.
   1481 
   1482 2013-11-18  Ian Lance Taylor  <iant (a] google.com>
   1483 
   1484 	* configure.ac: Check for support of __atomic extensions.
   1485 	* internal.h: Declare or #define atomic functions for use in
   1486 	backtrace code.
   1487 	* atomic.c: New file.
   1488 	* dwarf.c (dwarf_lookup_pc): Use atomic functions.
   1489 	(dwarf_fileline, backtrace_dwarf_add): Likewise.
   1490 	* elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
   1491 	(backtrace_initialize): Likewise.
   1492 	* fileline.c (fileline_initialize): Likewise.
   1493 	* Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
   1494 	* configure, config.h.in, Makefile.in: Rebuild.
   1495 
   1496 2013-11-18  Jakub Jelinek  <jakub (a] redhat.com>
   1497 
   1498 	* elf.c (SHN_UNDEF): Define.
   1499 	(elf_initialize_syminfo): Add base_address argument.  Ignore symbols
   1500 	with st_shndx == SHN_UNDEF.  Add base_address to address fields.
   1501 	(elf_add): Adjust caller.
   1502 
   1503 	* elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
   1504 
   1505 2013-11-16  Ian Lance Taylor  <iant (a] google.com>
   1506 
   1507 	* backtrace.h (backtrace_create_state): Correct comment about
   1508 	threading.
   1509 
   1510 2013-11-15  Ian Lance Taylor  <iant (a] google.com>
   1511 
   1512 	* backtrace.h (backtrace_syminfo): Update comment and parameter
   1513 	name to take any address, not just a PC value.
   1514 	* elf.c (STT_OBJECT): Define.
   1515 	(elf_nosyms): Rename parameter pc to addr.
   1516 	(elf_symbol_search): Rename local variable pc to addr.
   1517 	(elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
   1518 	(elf_syminfo): Rename parameter pc to addr.
   1519 	* btest.c (global): New global variable.
   1520 	(test5): New test.
   1521 	(main): Call test5.
   1522 
   1523 2013-10-17  Ian Lance Taylor  <iant (a] google.com>
   1524 
   1525 	* elf.c (elf_add): Don't get the wrong offsets if a debug section
   1526 	is missing.
   1527 
   1528 2013-10-15  David Malcolm  <dmalcolm (a] redhat.com>
   1529 
   1530 	* configure.ac: Add --enable-host-shared, setting up
   1531 	pre-existing PIC_FLAG variable within Makefile.am et al.
   1532 	* configure: Regenerate.
   1533 
   1534 2013-09-20  Alan Modra  <amodra (a] gmail.com>
   1535 
   1536 	* configure: Regenerate.
   1537 
   1538 2013-07-23  Alexander Monakov  <amonakov (a] ispras.ru>
   1539 
   1540 	* elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
   1541 
   1542 2013-07-23  Alexander Monakov  <amonakov (a] ispras.ru>
   1543 
   1544 	* elf.c (backtrace_initialize): Pass elf_fileline_fn to
   1545 	dl_iterate_phdr callbacks.
   1546 
   1547 2013-03-25  Ian Lance Taylor  <iant (a] google.com>
   1548 
   1549 	* alloc.c: #include <sys/types.h>.
   1550 	* mmap.c: Likewise.
   1551 
   1552 2013-01-31  Ian Lance Taylor  <iant (a] google.com>
   1553 
   1554 	* dwarf.c (read_function_info): Permit fvec parameter to be NULL.
   1555 	(dwarf_lookup_pc): Don't use ddata->fvec if threaded.
   1556 
   1557 2013-01-25  Jakub Jelinek  <jakub (a] redhat.com>
   1558 
   1559 	PR other/56076
   1560 	* dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
   1561 	attribute was not seen.
   1562 
   1563 2013-01-16  Ian Lance Taylor  <iant (a] google.com>
   1564 
   1565 	* dwarf.c (struct unit): Add filename and abs_filename fields.
   1566 	(build_address_map): Set new fields when reading unit.
   1567 	(dwarf_lookup_pc): If we don't find an entry in the line table,
   1568 	just return the main file name.
   1569 
   1570 2013-01-14  Richard Sandiford  <rdsandiford (a] googlemail.com>
   1571 
   1572 	Update copyright years.
   1573 
   1574 2013-01-01  Ian Lance Taylor  <iant (a] google.com>
   1575 
   1576 	PR bootstrap/54834
   1577 	* Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
   1578 	$(MULTIBUILDTOP)/../../gcc/include.
   1579 	* Makefile.in: Rebuild.
   1580 
   1581 2013-01-01  Ian Lance Taylor  <iant (a] google.com>
   1582 
   1583 	PR other/55536
   1584 	* mmap.c (backtrace_alloc): Don't call sync functions if not
   1585 	threaded.
   1586 	(backtrace_free): Likewise.
   1587 
   1588 2012-12-12  John David Anglin  <dave.anglin (a] nrc-cnrc.gc.ca>
   1589 
   1590 	* mmapio.c: Define MAP_FAILED if not defined.
   1591 
   1592 2012-12-11  Jakub Jelinek  <jakub (a] redhat.com>
   1593 
   1594 	PR bootstrap/54926
   1595 	* Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
   1596 	* configure.ac: If --with-target-subdir, add -frandom-seed=$@
   1597 	to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
   1598 	accepts it.
   1599 	* Makefile.in: Regenerated.
   1600 	* configure: Regenerated.
   1601 
   1602 2012-12-07  Jakub Jelinek  <jakub (a] redhat.com>
   1603 
   1604 	PR bootstrap/54926
   1605 	* Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
   1606 	* Makefile.in: Regenerated.
   1607 
   1608 2012-11-20  Ian Lance Taylor  <iant (a] google.com>
   1609 
   1610 	* dwarf.c (read_attribute): Always clear val.
   1611 
   1612 2012-11-13  Ian Lance Taylor  <iant (a] google.com>
   1613 
   1614 	PR other/55312
   1615 	* configure.ac: Only add -Werror if building a target library.
   1616 	* configure: Rebuild.
   1617 
   1618 2012-11-12  Ian Lance Taylor  <iant (a] google.com>
   1619 	    Rainer Orth  <ro (a] CeBiTec.Uni-Bielefeld.DE>
   1620 	    Gerald Pfeifer  <gerald (a] pfeifer.com>
   1621 
   1622 	* configure.ac: Check for getexecname.
   1623 	* fileline.c: #include <errno.h>.  Define getexecname if not
   1624 	available.
   1625 	(fileline_initialize): Try to find the executable in a few
   1626 	different ways.
   1627 	* print.c (error_callback): Only print the filename if it came
   1628 	from the backtrace state.
   1629 	* configure, config.h.in: Rebuild.
   1630 
   1631 2012-10-29  Ian Lance Taylor  <iant (a] google.com>
   1632 
   1633 	* mmap.c (backtrace_vector_release): Correct last patch: add
   1634 	aligned, not size.
   1635 
   1636 2012-10-29  Ian Lance Taylor  <iant (a] google.com>
   1637 
   1638 	* mmap.c (backtrace_vector_release): Make sure freed block is
   1639 	aligned on 8-byte boundary.
   1640 
   1641 2012-10-26  Ian Lance Taylor  <iant (a] google.com>
   1642 
   1643 	PR other/55087
   1644 	* posix.c (backtrace_open): Add does_not_exist parameter.
   1645 	* elf.c (phdr_callback): Do not warn if shared library could not
   1646 	be opened.
   1647 	* fileline.c (fileline_initialize): Update calls to
   1648 	backtrace_open.
   1649 	* internal.h (backtrace_open): Update declaration.
   1650 
   1651 2012-10-26  Jack Howarth  <howarth (a] bromo.med.uc.edu>
   1652 
   1653 	PR target/55061
   1654 	* configure.ac: Check for _Unwind_GetIPInfo function declaration.
   1655 	* configure: Regenerate.
   1656 
   1657 2012-10-24  Ian Lance Taylor  <iant (a] google.com>
   1658 
   1659 	PR target/55061
   1660 	* configure.ac: Check whether -funwind-tables option works.
   1661 	* configure: Rebuild.
   1662 
   1663 2012-10-11  Ian Lance Taylor  <iant (a] google.com>
   1664 
   1665 	* configure.ac: Do not use dl_iterate_phdr on Solaris 10.
   1666 	* configure: Rebuild.
   1667 
   1668 2012-10-10  Ian Lance Taylor  <iant (a] google.com>
   1669 
   1670 	* elf.c: Rename all Elf typedefs to start with b_elf, and be all
   1671 	lower case.
   1672 
   1673 2012-10-10  Hans-Peter Nilsson  <hp (a] bitrange.com>
   1674 
   1675 	* elf.c (elf_add_syminfo_data): Add casts to avoid warning.
   1676 
   1677 2012-10-09  Ian Lance Taylor  <iant (a] google.com>
   1678 
   1679 	* dwarf.c (dwarf_fileline): Add cast to avoid warning.
   1680 	(backtrace_dwarf_add): Likewise.
   1681 
   1682 2012-10-09  Ian Lance Taylor  <iant (a] google.com>
   1683 
   1684 	Add support for tracing through shared libraries.
   1685 	* configure.ac: Check for link.h and dl_iterate_phdr.
   1686 	* elf.c: #include <link.h> if system has dl_iterate_phdr.  #undef
   1687 	ELF macros before #defining them.
   1688 	(dl_phdr_info, dl_iterate_phdr): Define if system does not have
   1689 	dl_iterate_phdr.
   1690 	(struct elf_syminfo_data): Add next field.
   1691 	(elf_initialize_syminfo): Initialize next field.
   1692 	(elf_add_syminfo_data): New static function.
   1693 	(elf_add): New static function, broken out of
   1694 	backtrace_initialize.  Call backtrace_dwarf_add instead of
   1695 	backtrace_dwarf_initialize.
   1696 	(struct phdr_data): Define.
   1697 	(phdr_callback): New static function.
   1698 	(backtrace_initialize): Call elf_add.
   1699 	* dwarf.c (struct dwarf_data): Add next and base_address fields.
   1700 	(add_unit_addr): Add base_address parameter.  Change all callers.
   1701 	(add_unit_ranges, build_address_map): Likewise.
   1702 	(add_line): Add ddata parameter.  Change all callers.
   1703 	(read_line_program, add_function_range): Likewise.
   1704 	(dwarf_lookup_pc): New static function, broken out of
   1705 	dwarf_fileline.
   1706 	(dwarf_fileline): Call dwarf_lookup_pc.
   1707 	(build_dwarf_data): New static function.
   1708 	(backtrace_dwarf_add): New function.
   1709 	(backtrace_dwarf_initialize): Remove.
   1710 	* internal.h (backtrace_dwarf_initialize): Don't declare.
   1711 	(backtrace_dwarf_add): Declare.
   1712 	* configure, config.h.in: Rebuild.
   1713 
   1714 2012-10-04  Gerald Pfeifer  <gerald (a] pfeifer.com>
   1715 
   1716 	* btest.c (f23): Avoid uninitialized variable warning.
   1717 
   1718 2012-10-04  Ian Lance Taylor  <iant (a] google.com>
   1719 
   1720 	* dwarf.c: If the system header files do not declare strnlen,
   1721 	provide our own version.
   1722 
   1723 2012-10-03  Ian Lance Taylor  <iant (a] google.com>
   1724 
   1725 	* dwarf.c (read_uleb128): Fix overflow test.
   1726 	(read_sleb128): Likewise.
   1727 	(build_address_map): Don't change unit_buf.start.
   1728 
   1729 2012-10-02  Uros Bizjak  <ubizjak (a] gmail.com>
   1730 
   1731 	PR other/54761
   1732 	* configure.ac (EXTRA_FLAGS): New.
   1733 	* Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
   1734 	* configure, Makefile.in: Regenerate.
   1735 
   1736 2012-09-29  Ian Lance Taylor  <iant (a] google.com>
   1737 
   1738 	PR other/54749
   1739 	* fileline.c (fileline_initialize): Pass errnum as -1 when
   1740 	reporting that we could not read executable information after a
   1741 	previous failure.
   1742 
   1743 2012-09-27  Ian Lance Taylor  <iant (a] google.com>
   1744 
   1745 	PR bootstrap/54732
   1746 	* configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
   1747 	* Makefile.am: Add dependencies for all objects.
   1748 	* configure, aclocal.m4, Makefile.in: Rebuild.
   1749 
   1750 2012-09-27  Ian Lance Taylor  <iant (a] google.com>
   1751 
   1752 	PR other/54726
   1753 	* elf.c (backtrace_initialize): Set *fileln_fn, not
   1754 	state->fileln_fn.
   1755 
   1756 2012-09-19  Ian Lance Taylor  <iant (a] google.com>
   1757 
   1758 	* configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
   1759 	as a target library.
   1760 	* configure: Rebuild.
   1761 
   1762 2012-09-19  Rainer Orth  <ro (a] CeBiTec.Uni-Bielefeld.DE>
   1763 	    Ian Lance Taylor  <iant (a] google.com>
   1764 
   1765 	* configure.ac (GCC_HEADER_STDINT): Invoke.
   1766 	* backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
   1767 	* btest.c: Don't include <stdint.h>.
   1768 	* dwarf.c: Likewise.
   1769 	* configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
   1770 
   1771 2012-09-18  Ian Lance Taylor  <iant (a] google.com>
   1772 
   1773 	PR bootstrap/54623
   1774 	* Makefile.am (AM_CPPFLAGS): Define.
   1775 	(AM_CFLAGS): Remove -I options.
   1776 	* Makefile.in: Rebuild.
   1777 
   1778 2012-09-18  Ian Lance Taylor  <iant (a] google.com>
   1779 
   1780 	* posix.c (O_BINARY): Define if not defined.
   1781 	(backtrace_open): Pass O_BINARY to open.  Only call fcntl if
   1782 	HAVE_FCNTL is defined.
   1783 	* configure.ac: Test for the fcntl function.
   1784 	* configure, config.h.in: Rebuild.
   1785 
   1786 2012-09-18  Ian Lance Taylor  <iant (a] google.com>
   1787 
   1788 	* btest.c (test1, test2, test3, test4): Add the unused attribute.
   1789 
   1790 2012-09-18  Ian Lance Taylor  <iant (a] google.com>
   1791 
   1792 	* dwarf.c: Correct test of HAVE_DECL_STRNLEN.
   1793 
   1794 2012-09-18  Ian Lance Taylor  <iant (a] google.com>
   1795 
   1796 	* configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
   1797 	* mmapio.c: Don't define _GNU_SOURCE.
   1798 	* configure, config.h.in: Rebuild.
   1799 
   1800 2012-09-18  Ian Lance Taylor  <iant (a] google.com>
   1801 
   1802 	* configure.ac: Check whether strnlen is declared.
   1803 	* dwarf.c: Declare strnlen if not declared.
   1804 	* configure, config.h.in: Rebuild.
   1805 
   1806 2012-09-18  Rainer Orth  <ro (a] CeBiTec.Uni-Bielefeld.DE>
   1807 
   1808 	* fileline.c: Include <stdlib.h>.
   1809 	* mmap.c: Likewise.
   1810 
   1811 2012-09-17  Ian Lance Taylor  <iant (a] google.com>
   1812 
   1813 	PR bootstrap/54611
   1814 	* nounwind.c (backtrace_full): Rename from backtrace.  Add state
   1815 	parameter.
   1816 
   1817 2012-09-17  Gerald Pfeifer  <gerald (a] pfeifer.com>
   1818 
   1819 	PR bootstrap/54611
   1820 	* nounwind.c (backtrace_simple): Add state parameter.
   1821 
   1822 2012-09-17  Ian Lance Taylor  <iant (a] google.com>
   1823 
   1824 	PR bootstrap/54609
   1825 	* unknown.c (unknown_fileline): Add state parameter, remove
   1826 	fileline_data parameter, name error_callback parameter.
   1827 	(backtrace_initialize): Add state parameter.
   1828 
   1829 2012-09-17  Ian Lance Taylor  <iant (a] google.com>
   1830 
   1831 	* Initial implementation.
   1832 
   1834 Copyright (C) 2012-2022 Free Software Foundation, Inc.
   1835 
   1836 Copying and distribution of this file, with or without modification,
   1837 are permitted in any medium without royalty provided the copyright
   1838 notice and this notice are preserved.
   1839