1 2019-05-24 Clement Chigot <clement.chigot@atos.net>
3 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
5 * Makefile.in: Regenerate.
7 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
9 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
11 * configure: Regenerate.
13 2019-03-11 Ian Lance Taylor <iant@golang.org>
16 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
18 * Makefile.in: Regenerate.
20 2019-02-26 Tom de Vries <tdevries@suse.de>
22 * btest.c (test5): Allow global.* as minimal symbol name for global.
24 2019-02-26 Tom de Vries <tdevries@suse.de>
26 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
27 * Makefile.in: Regenerate.
29 2019-02-12 Tom de Vries <tdevries@suse.de>
32 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
34 2019-02-10 Tom de Vries <tdevries@suse.de>
36 * Makefile.am (BUILDTESTS): Add btest_lto.
37 * Makefile.in: Regenerate.
38 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
39 __attribute__((noclone)).
41 2019-02-08 Tom de Vries <tdevries@suse.de>
43 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
44 * print.c (backtrace_print): Same.
45 * simple.c (backtrace_simple): Same.
47 2019-02-08 Tom de Vries <tdevries@suse.de>
50 * dwarf.c (build_address_map): Keep all parsed units.
51 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
53 2019-01-31 Tom de Vries <tdevries@suse.de>
56 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
57 'debugaltlink_name_len =+ 1'.
59 2019-01-29 Tom de Vries <tdevries@suse.de>
61 * install-debuginfo-for-buildid.sh.in: New script.
62 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
63 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
64 * Makefile.in: Regenerate.
65 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
66 (READELF): Set with AC_CHECK_PROG.
67 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
68 * configure: Regenerate.
69 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
70 (elf_open_debugfile_by_buildid): ... here.
72 2019-01-29 Tom de Vries <tdevries@suse.de>
74 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
76 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
77 (check_PROGRAMS): Add BUILDTESTS.
78 * Makefile.in: Regenerate.
80 2019-01-28 Tom de Vries <tdevries@suse.de>
82 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
83 Use $< to access prerequisite.
84 * Makefile.in: Regenerate.
86 2019-01-25 Nathan Sidwell <nathan@acm.org>
88 * elf.c (elf_add): Pass "" filename to recursive call with
91 2019-01-25 Tom de Vries <tdevries@suse.de>
93 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
95 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
96 * Makefile.in: Regenerate.
98 2019-01-25 Tom de Vries <tdevries@suse.de>
100 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
101 (TESTS): Rename dtest to btest_gnudebuglink.
102 * Makefile.in: Regenerate.
104 2019-01-23 Tom de Vries <tdevries@suse.de>
106 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
107 (units_search, find_unit): Use size_t for offset.
108 (build_address_map): Use size_t for unit_offset.
110 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
112 * allocfail.c (main): Increase portability of printf statement.
114 2019-01-18 Ian Lance Taylor <iant@golang.org>
116 PR libbacktrace/88890
117 * mmapio.c (backtrace_get_view): Change size parameter to
118 uint64_t. Check that value fits in size_t.
119 * read.c (backtrace_get_view): Likewise.
120 * internal.h (backtrace_get_view): Update declaration.
121 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
123 2019-01-17 Tom de Vries <tdevries@suse.de>
125 PR libbacktrace/82857
126 * configure.ac (DWZ): Set with AC_CHECK_PROG.
127 (HAVE_DWZ): Set with AM_CONDITIONAL.
128 * configure: Regenerate.
129 * Makefile.am (TESTS): Add btest_dwz.
130 * Makefile.in: Regenerate.
132 2019-01-17 Tom de Vries <tdevries@suse.de>
134 PR libbacktrace/82857
135 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
136 (read_attribute): Handle DW_FORM_GNU_ref_alt using
137 ATTR_VAL_REF_ALT_INFO.
138 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
140 2019-01-17 Tom de Vries <tdevries@suse.de>
142 * dwarf.c (struct unit): Add low_offset and high_offset fields.
143 (struct unit_vector): New type.
144 (struct dwarf_data): Add units and units_counts fields.
145 (find_unit): New function.
146 (find_address_ranges): Add and handle unit_tag parameter.
147 (build_address_map): Add and handle units_vec parameter.
148 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
151 2019-01-17 Tom de Vries <tdevries@suse.de>
153 PR libbacktrace/82857
154 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
157 2019-01-17 Tom de Vries <tdevries@suse.de>
159 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
160 (read_attribute): Add altlink parameter. Handle missing altlink for
161 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
162 (find_address_ranges, build_address_map, build_dwarf_data): Add and
163 handle altlink parameter.
164 (read_referenced_name, read_function_entry): Add argument to
167 2019-01-17 Tom de Vries <tdevries@suse.de>
169 * dwarf.c (struct dwarf_data): Add altlink field.
170 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
171 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
172 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
173 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
174 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
175 * xcoff.c (xcoff_add): Same.
177 2019-01-17 Tom de Vries <tdevries@suse.de>
179 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
180 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
181 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
182 argument to backtrace_dwarf_add call.
183 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
184 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
185 * xcoff.c (xcoff_add): Same.
187 2019-01-17 Tom de Vries <tdevries@suse.de>
189 * elf.c (elf_add): Add and handle with_buildid_data and
190 with_buildid_size parameters. Handle .gnu_debugaltlink section.
191 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
193 2019-01-16 Tom de Vries <tdevries@suse.de>
195 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
197 (read_referenced_name): ... here, and ...
198 (read_function_entry): ... here.
200 2019-01-16 Tom de Vries <tdevries@suse.de>
202 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
204 (read_function_entry): Same. Don't allow name found via
205 DW_AT_abstract_origin or case DW_AT_specification to override linkage
208 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
212 * backtrace.h: Mechanically replace "can not" with "cannot".
214 2019-01-01 Jakub Jelinek <jakub@redhat.com>
216 Update copyright years.
218 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
220 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
222 * Makefile.in: Regenerate.
224 2018-12-28 Tom de Vries <tdevries@suse.de>
226 * dwarf.c (build_address_map): Reuse unused units.
228 2018-12-28 Tom de Vries <tdevries@suse.de>
230 * dwarf.c (build_address_map): Simplify by removing local variable
233 2018-12-28 Ian Lance Taylor <iant@golang.org>
234 Tom de Vries <tdevries@suse.de>
236 PR libbacktrace/88063
237 * dwarf.c (free_unit_addrs_vector): Remove.
238 (build_address_map): Keep track of allocated units in vector. Free
239 allocated units and corresponding abbrevs upon failure. Remove now
240 redundant call to free_unit_addrs_vector. Free addrs vector upon
241 failure. Free allocated unit vector.
243 2018-12-28 Tom de Vries <tdevries@suse.de>
245 * dwarf.c (build_address_map): Free addrs vector upon failure.
247 2018-12-14 Tom de Vries <tdevries@suse.de>
250 * allocfail.sh: Remove "set -o pipefail".
252 2018-12-12 Tom de Vries <tdevries@suse.de>
254 * Makefile.am (TESTS): Add allocfail.sh.
255 (check_PROGRAMS): Add allocfail.
256 * Makefile.in: Regenerate.
257 * instrumented_alloc.c: New file. Redefine malloc and realloc.
259 * allocfail.c: New file.
260 * allocfail.sh: New file.
262 2018-11-30 Tom de Vries <tdevries@suse.de>
264 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
265 test_xcoff_64, test_pecoff and test_unknown.
266 * Makefile.in: Regenerate.
267 * test_format.c: New file.
269 2018-11-30 Tom de Vries <tdevries@suse.de>
271 * Makefile.am : Add _with_alloc version for each test in
273 * Makefile.in: Regenerate.
275 2018-11-30 Tom de Vries <tdevries@suse.de>
277 * internal.h (backtrace_vector_free): New static inline fuction,
279 * dwarf.c (read_line_info): ... here.
281 2018-11-28 Tom de Vries <tdevries@suse.de>
283 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
286 2018-11-27 Tom de Vries <tdevries@suse.de>
288 * mmap.c (backtrace_vector_release): Same.
289 * unittest.c (test1): Add check.
291 2018-11-27 Tom de Vries <tdevries@suse.de>
293 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
295 * Makefile.am (check_PROGRAMS): Add unittest.
296 * Makefile.in: Regenerate.
297 * unittest.c: New file.
299 2018-11-22 Tom de Vries <tdevries@suse.de>
301 * dwarf.c (read_initial_length): Factor out of ...
302 (build_address_map, read_line_info): ... here.
304 2018-11-21 Tom de Vries <tdevries@suse.de>
306 * dwarf.c (read_string): Factor out of ...
307 (read_attribute, read_line_header, read_line_program): ... here.
309 2018-10-31 Joseph Myers <joseph@codesourcery.com>
312 * Makefile.am: Include multilib.am.
313 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
314 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
316 2018-10-05 Ian Lance Taylor <iant@golang.org>
318 PR libbacktrace/87529
319 * backtrace.h: Document that backtrace_create_state should be
322 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
324 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
325 * Makefile.in: Regenerate.
326 * config.h.in: Likewise.
327 * configure: Likewise.
329 2018-08-01 Tony Reix <tony.reix@atos.net>
331 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
332 (struct xcoff_func, struct xcoff_func_vector): New structs.
333 (xcoff_syminfo): Drop leading dot from symbol name.
334 (xcoff_line_compare, xcoff_line_search): Remove.
335 (xcoff_func_compare, xcoff_func_search): New static functions.
336 (xcoff_lookup_pc): Search function table.
337 (xcoff_add_line, xcoff_process_linenos): Remove.
338 (xcoff_initialize_fileline): Build function table.
340 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
343 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
344 checking up to 36 bytes.
346 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
348 * configure: Regenerated.
350 2018-04-19 Jakub Jelinek <jakub@redhat.com>
352 * configure: Regenerated.
354 2018-04-17 Ian Lance Taylor <iant@golang.org>
356 * backtrace.c: Revert last two changes. Don't call mmap
359 2018-04-17 Ian Lance Taylor <iant@golang.org>
361 * backtrace.c: Include backtrace-supported.h before checking
362 BACKTRACE_USES_MALLOC.
364 2018-04-17 Ian Lance Taylor <iant@golang.org>
366 * backtrace.c (backtrace_full): When testing whether we can
367 allocate memory, call mmap directly, and munmap the memory.
369 2018-04-04 Jakub Jelinek <jakub@redhat.com>
372 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
373 big endian, only use 32-bit loads if endianity macros are predefined
374 and indicate big or little endian.
376 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
379 * configure: Regenerate.
381 2018-02-15 Jakub Jelinek <jakub@redhat.com>
384 * elf.c (SHT_PROGBITS): Undefine and define.
386 2018-02-14 Jakub Jelinek <jakub@redhat.com>
389 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
390 (struct elf_ppc64_opd_data): New type.
391 (elf_initialize_syminfo): Add opd argument, handle symbols
392 pointing into the PowerPC64 ELFv1 .opd section.
393 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
394 to structure with .opd data to elf_initialize_syminfo.
396 2018-01-31 Ian Lance Taylor <iant@golang.org>
398 * elf.c (elf_add): Close descriptor if we use a debugfile.
399 * btest.c (check_open_files): New static function.
400 (main): Call check_open_files.
402 2018-01-25 Ian Lance Taylor <iant@golang.org>
404 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
406 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
408 2018-01-25 Ian Lance Taylor <iant@golang.org>
410 * pecoff.c (coff_add): Only release syms_view if it is valid.
412 2018-01-25 Ian Lance Taylor <iant@golang.org>
414 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
416 2018-01-24 Ian Lance Taylor <iant@golang.org>
418 * pecoff.c (coff_add): Use coff_read4, not memcpy.
420 2018-01-24 Ian Lance Taylor <iant@golang.org>
423 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
426 2018-01-19 Tony Reix <tony.reix@atos.net>
428 * xcoff.c (xcoff_incl_compare): New function.
429 (xcoff_incl_search): New function.
430 (xcoff_process_linenos): Use bsearch to find include file.
431 (xcoff_initialize_fileline): Sort include file information.
433 2018-01-16 Ian Lance Taylor <iant@golang.org>
435 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
437 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
438 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
439 (elf_zlib_default_table): Update.
440 (elf_zlib_default_dist_table): New static array.
441 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
443 * ztest.c (struct zlib_test): Add uncompressed_len.
444 (tests): Initialize uncompressed_len field. Add new test case.
445 (test_samples): Use uncompressed_len field.
447 2018-01-03 Jakub Jelinek <jakub@redhat.com>
449 Update copyright years.
451 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
453 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
454 * aclocal.m4: Regenerate.
455 * Makefile.in: Likewise.
456 * configure: Likewise.
458 2017-10-06 Ian Lance Taylor <iant@golang.org>
460 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
461 zlib uncompress function.
463 2017-10-05 Ian Lance Taylor <iant@golang.org>
465 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
466 Read a four byte integer.
467 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
468 boundary before ever calling elf_zlib_fetch.
469 * ztest.c (test_large): Simplify print statements a bit.
471 2017-10-02 Ian Lance Taylor <iant@golang.org>
473 * ztest.c: #include <errno.h>.
474 (TEST_TIMING): Don't define, don't test.
475 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
476 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
477 (ZLIB_CLOCK_GETTIME_ARG): Define.
478 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
479 * Makefile.am: Likewise.
480 * configure, Makefile.in: Rebuild.
482 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
485 * Makefile.am: Append the content of clock_gettime_link to
487 * configure.ac: Test for the case that clock_gettime is in librt.
488 * Makefile.in: Regenerate.
489 * configure: Likewise.
492 * configure.ac: Check for clock_gettime.
493 * config.h.in: Regenerate.
494 * configure: Likewise.
495 * ztest.c (average_time, test_large): Conditionalize test timing
496 on clock_gettime availability.
498 2017-09-29 Tony Reix <tony.reix@atos.net>
500 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
501 (STYP_DWARF, SSUBTYP_DW*): Define.
502 (enum dwarf_section): Define.
503 (struct dwsect_info): Define.
504 (xcoff_add): Look for DWARF sections, pass them to
507 2017-09-28 Ian Lance Taylor <iant@golang.org>
510 * elf.c (__builtin_prefetch): Define if not __GNUC__.
512 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
513 (b_elf_chdr): Define type.
514 (enum debug_section): Add ZDEBUG_xxx values.
515 (debug_section_names): Add names for new sections.
516 (struct debug_section_info): Add compressed field.
517 (elf_zlib_failed, elf_zlib_fetch): New static functions.
518 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
519 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
520 (HUFFMAN_SECONDARY_SHIFT): Define.
521 (ZDEBUG_TABLE_SIZE): Define.
522 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
523 (final_next_secondary): New static variable if
524 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
525 (elf_zlib_inflate_table): New static function.
526 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
527 function to produce fixed Huffman table.
528 (elf_zlib_default_table): New static variable.
529 (elf_zlib_inflate): New static function.
530 (elf_zlib_verify_checksum): Likewise.
531 (elf_zlib_inflate_and_verify): Likewise.
532 (elf_uncompress_zdebug): Likewise.
533 (elf_uncompress_chdr): Likewise.
534 (backtrace_uncompress_zdebug): New extern function.
535 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
536 sections, and uncompress them.
537 * internal.h (backtrace_compress_zdebug): Declare.
539 * configure.ac: Check for -lz and check whether the linker
540 supports --compress-debug-sections.
541 * Makefile.am (ztest_SOURCES): New variable.
542 (ztest_CFLAGS, ztest_LDADD): New variables.
543 (check_PROGRAMS): Add ztest.
544 (ctestg_SOURCES): New variable.
545 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
546 (ctesta_SOURCES): New variable.
547 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
548 (check_PROGRAMS): Add ctestg and ctesta.
549 * configure, config.h.in, Makefile.in: Rebuild.
551 2017-09-22 Ian Lance Taylor <iant@golang.org>
554 * configure.ac: Check for lstat and readlink.
555 * elf.c (lstat, readlink): Provide dummy versions if real versions
557 * configure, config.h.in: Rebuild.
559 2017-09-21 Ian Lance Taylor <iant@google.com>
562 * elf.c (backtrace_initialize): Set pd.exe_filename.
564 2017-09-20 Ian Lance Taylor <iant@golang.org>
565 Denis Khalikov <d.khalikov@partner.samsung.com>
568 Support for external debug info.
569 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
570 (S_ISLNK): Define if not defined.
571 (xstrnlen): Define if strnlen is not available.
572 (b_elf_note): Define type.
573 (NT_GNU_BUILD_ID): Define macro.
574 (elf_crc32, elf_crc32_file): New static functions.
575 (elf_is_symlink, elf_readlink): New static functions.
576 (elf_open_debugfile_by_buildid): New static function.
577 (elf_try_debugfile): New static function.
578 (elf_find_debugfile_by_debuglink): New static function.
579 (elf_open_debugfile_by_debuglink): New static function.
580 (elf_add): Add filename and debuginfo parameters. Adjust all
581 callers. Look for external debug info notes, and try to fetch
582 debug info from external file.
583 (struct phdr_data): Add exe_filename field.
584 (phdr_callback): Pass filename to elf_add.
585 (backtrace_initialize): Add filename parameter.
586 * internal.h (backtrace_initialize): Add filename parameter.
587 * fileline.c (fileline_initialize): Pass filename to
588 backtrace_initialize.
589 * pecoff.c (fileline_initialize): Add unused filename parameter.
590 * unknown.c (fileline_initialize): Likewise.
591 * xcoff.c (fileline_initialize): Likewise.
592 * configure.ac: Check for objcopy --add-gnu-debuglink.
593 * Makefile.am (dtest): New test target.
594 * configure, Makefile.in: Rebuild.
596 2017-09-12 Steve Ellcey <sellcey@cavium.com>
599 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
600 * Makefile.in: Regenerate.
602 2017-09-12 Steve Ellcey <sellcey@cavium.com>
605 * libbacktrace/Makefile.in
606 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
608 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
611 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
613 2017-07-28 Tony Reix <tony.reix@atos.net>
615 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
617 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
619 * fileline.c (fileline_initialize): Print pid_t as long.
621 2017-07-26 Tony Reix <tony.reix@atos.net>
623 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
624 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
625 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
626 * configure, config.h.in: Regenerate.
628 2017-07-21 Tony Reix <tony.reix@atos.net>
630 * filetype.awk: Add AIX XCOFF type detection.
631 * configure.ac: Recognize xcoff format.
632 * Makefile.am (FORMAT_FILES): Add xcoff.c.
633 * fileline.c: Include <unistd.h>.
634 (fileline_initialize): Add case for AIX procfs.
636 * configure, Makefile.in: Rebuild.
638 2017-06-21 Richard Biener <rguenther@suse.de>
640 * configure.ac: Add AC_SYS_LARGEFILE.
641 * config.h.in: Regenerate.
642 * configure: Likewise.
644 2017-06-11 Ian Lance Taylor <iant@golang.org>
646 * elf.c (backtrace_initialize): Always set *fileline_fn.
648 * btest.c: Move support functions into testlib.c. Change calls to
649 check to pass file name.
650 * testlib.c: New file, copied from (part of) btest.c.
651 * testlib.h: New file, declarations for testlib.c.
652 * edtest.c: Use testlib.h and testlib.c.
653 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
654 * Makefile.am (btest_SOURCES): Add testlib.c.
655 (edtest_SOURCES): Likewise.
656 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
657 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
658 * configure, Makefile.in: Rebuild.
660 2017-05-19 Than McIntosh <thanm@google.com>
662 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
663 (read_line_header): Don't allocate dirs if dirs_count == 0.
664 * edtest.c: New file.
665 * edtest2.c: New file.
666 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
667 (check_PROGRAMS): Add edtest.
668 (edtest2_build.c, gen_edtest2_build): New targets.
669 * Makefile.in: Rebuild.
671 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
673 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
674 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
676 2017-01-01 Jakub Jelinek <jakub@redhat.com>
678 Update copyright years.
680 2016-11-15 Matthias Klose <doko@ubuntu.com>
682 * configure: Regenerate.
684 2016-09-11 Carlos Liam <carlos@aarzee.me>
686 * all: Remove meaningless trailing whitespace.
688 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
691 * elf.c (phdr_callback) [__i386__]: Add
692 __attribute__((__force_align_arg_pointer__)).
694 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
696 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
697 avoid possible crash.
698 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
699 missing debug info anymore.
701 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
703 * mmap.c (MAP_FAILED): Define if not defined.
705 2016-01-04 Jakub Jelinek <jakub@redhat.com>
707 Update copyright years.
709 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
711 * configure.ac: Specify that DJGPP do not have mmap
712 even when sys/mman.h exists.
713 * configure: Regenerate
715 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
718 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
719 * configure: Regenerate.
720 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
723 2015-09-17 Ian Lance Taylor <iant@google.com>
725 * posix.c (backtrace_open): Cast second argument of open() to int.
727 2015-09-11 Ian Lance Taylor <iant@google.com>
729 * Makefile.am (backtrace.lo): Depend on internal.h.
730 (sort.lo, stest.lo): Add explicit dependencies.
731 * Makefile.in: Rebuild.
733 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
735 * backtrace.c: #include <sys/types.h>.
737 2015-09-08 Ian Lance Taylor <iant@google.com>
740 * backtrace.c: #include "internal.h".
741 (struct backtrace_data): Add can_alloc field.
742 (unwind): If can_alloc is false, don't try to get file/line
744 (backtrace_full): Set can_alloc field in bdata.
745 * alloc.c (backtrace_alloc): Don't call error_callback if it is
747 * mmap.c (backtrace_alloc): Likewise.
748 * internal.h: Update comments for backtrace_alloc and
751 2015-09-08 Ian Lance Taylor <iant@google.com>
754 * mmap.c (backtrace_alloc): Correct test for mmap failure.
756 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
758 * configure.ac: For spu-*-* targets, set have_fcntl to no.
759 * configure: Regenerate.
761 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
763 * configure.ac: Remove [disable-shared] argument to LT_INIT.
764 Remove setting PIC_FLAG when building as target library.
765 * configure: Regenerate.
767 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
769 * configure.ac: Only compile with -fPIC if the target
771 * configure: Regenerate.
773 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
775 * configure.ac: Set have_mmap to no on spu-*-* targets.
776 * configure: Regenerate.
778 2015-08-13 Ian Lance Taylor <iant@google.com>
780 * dwarf.c (read_function_entry): Add vec_inlined parameter.
783 2015-06-11 Martin Sebor <msebor@redhat.com>
786 * dwarf.c (struct line): Add new field idx.
787 (line_compare): Use it.
789 (read_line_info): Reset it.
791 2015-05-29 Tristan Gingold <gingold@adacore.com>
793 * pecoff.c: New file.
794 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
795 * Makefile.in: Regenerate.
796 * filetype.awk: Detect pecoff.
797 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
799 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
801 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
802 * configure: Regenerate.
803 * pecoff.c: New file.
805 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
807 * Makefile.in: Regenerated with automake-1.11.6.
808 * aclocal.m4: Likewise.
809 * configure: Likewise.
811 2015-01-24 Matthias Klose <doko@ubuntu.com>
813 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
814 * configure: Regenerate.
816 2015-01-05 Jakub Jelinek <jakub@redhat.com>
818 Update copyright years.
820 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
823 * configure: Regenerated.
825 2014-11-11 David Malcolm <dmalcolm@redhat.com>
827 * ChangeLog.jit: New.
829 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
832 * configure: Regenerate.
834 2014-10-23 Ian Lance Taylor <iant@google.com>
836 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
837 Fix to return void *.
839 2014-05-08 Ian Lance Taylor <iant@google.com>
841 * mmap.c (backtrace_free): If freeing a large aligned block of
842 memory, call munmap rather than holding onto it.
843 (backtrace_vector_grow): When growing a vector, double the number
844 of pages requested. When releasing the old version of a grown
845 vector, pass the correct size to backtrace_free.
847 2014-03-07 Ian Lance Taylor <iant@google.com>
849 * sort.c (backtrace_qsort): Use middle element as pivot.
851 2014-03-06 Ian Lance Taylor <iant@google.com>
855 * internal.h (backtrace_qsort): Declare.
856 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
857 (read_line_info, read_function_entry): Likewise.
858 (read_function_info, build_dwarf_data): Likewise.
859 * elf.c (elf_initialize_syminfo): Likewise.
860 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
861 (stest_SOURCES, stest_LDADD): Define.
862 (check_PROGRAMS): Add stest.
864 2014-02-07 Misty De Meo <misty@brew.sh>
867 * configure.ac: Use AC_LINK_IFELSE in check for
869 * configure: Regenerate.
871 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
873 Update copyright years
875 2013-12-06 Jakub Jelinek <jakub@redhat.com>
877 * elf.c (ET_DYN): Undefine and define again.
878 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
879 return early -1 without closing the descriptor.
880 (struct phdr_data): Add exe_descriptor.
881 (phdr_callback): If pd->exe_descriptor is not -1, for very first
882 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
883 otherwise backtrace_close the exe_descriptor if not -1. Adjust
885 (backtrace_initialize): Adjust call to elf_add. If it returns
886 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
888 2013-12-05 Ian Lance Taylor <iant@google.com>
890 * alloc.c (backtrace_vector_finish): Add error_callback and data
891 parameters. Call backtrace_vector_release. Return address base.
892 * mmap.c (backtrace_vector_finish): Add error_callback and data
893 parameters. Return address base.
894 * dwarf.c (read_function_info): Get new address base from
895 backtrace_vector_finish.
896 * internal.h (backtrace_vector_finish): Update declaration.
898 2013-11-27 Ian Lance Taylor <iant@google.com>
900 * dwarf.c (find_address_ranges): New static function, broken out
901 of build_address_map.
902 (build_address_map): Call it.
903 * btest.c (check): Check for missing filename or function, rather
905 (f3): Check that enough frames were returned.
907 2013-11-19 Jakub Jelinek <jakub@redhat.com>
909 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
910 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
912 * btest.c (struct symdata): Add size field.
913 (callback_three): Add symsize argument. Copy it to the data->size
915 (f23): Set symdata.size to 0.
916 (test5): Likewise. If sizeof (int) > 1, lookup address of
917 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
920 * atomic.c: Include sys/types.h.
922 2013-11-18 Ian Lance Taylor <iant@google.com>
924 * configure.ac: Check for support of __atomic extensions.
925 * internal.h: Declare or #define atomic functions for use in
927 * atomic.c: New file.
928 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
929 (dwarf_fileline, backtrace_dwarf_add): Likewise.
930 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
931 (backtrace_initialize): Likewise.
932 * fileline.c (fileline_initialize): Likewise.
933 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
934 * configure, config.h.in, Makefile.in: Rebuild.
936 2013-11-18 Jakub Jelinek <jakub@redhat.com>
938 * elf.c (SHN_UNDEF): Define.
939 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
940 with st_shndx == SHN_UNDEF. Add base_address to address fields.
941 (elf_add): Adjust caller.
943 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
945 2013-11-16 Ian Lance Taylor <iant@google.com>
947 * backtrace.h (backtrace_create_state): Correct comment about
950 2013-11-15 Ian Lance Taylor <iant@google.com>
952 * backtrace.h (backtrace_syminfo): Update comment and parameter
953 name to take any address, not just a PC value.
954 * elf.c (STT_OBJECT): Define.
955 (elf_nosyms): Rename parameter pc to addr.
956 (elf_symbol_search): Rename local variable pc to addr.
957 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
958 (elf_syminfo): Rename parameter pc to addr.
959 * btest.c (global): New global variable.
963 2013-10-17 Ian Lance Taylor <iant@google.com>
965 * elf.c (elf_add): Don't get the wrong offsets if a debug section
968 2013-10-15 David Malcolm <dmalcolm@redhat.com>
970 * configure.ac: Add --enable-host-shared, setting up
971 pre-existing PIC_FLAG variable within Makefile.am et al.
972 * configure: Regenerate.
974 2013-09-20 Alan Modra <amodra@gmail.com>
976 * configure: Regenerate.
978 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
980 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
982 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
984 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
985 dl_iterate_phdr callbacks.
987 2013-03-25 Ian Lance Taylor <iant@google.com>
989 * alloc.c: #include <sys/types.h>.
992 2013-01-31 Ian Lance Taylor <iant@google.com>
994 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
995 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
997 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1000 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1001 attribute was not seen.
1003 2013-01-16 Ian Lance Taylor <iant@google.com>
1005 * dwarf.c (struct unit): Add filename and abs_filename fields.
1006 (build_address_map): Set new fields when reading unit.
1007 (dwarf_lookup_pc): If we don't find an entry in the line table,
1008 just return the main file name.
1010 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1012 Update copyright years.
1014 2013-01-01 Ian Lance Taylor <iant@google.com>
1017 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1018 $(MULTIBUILDTOP)/../../gcc/include.
1019 * Makefile.in: Rebuild.
1021 2013-01-01 Ian Lance Taylor <iant@google.com>
1024 * mmap.c (backtrace_alloc): Don't call sync functions if not
1026 (backtrace_free): Likewise.
1028 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1030 * mmapio.c: Define MAP_FAILED if not defined.
1032 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1035 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1036 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1037 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1039 * Makefile.in: Regenerated.
1040 * configure: Regenerated.
1042 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1045 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1046 * Makefile.in: Regenerated.
1048 2012-11-20 Ian Lance Taylor <iant@google.com>
1050 * dwarf.c (read_attribute): Always clear val.
1052 2012-11-13 Ian Lance Taylor <iant@google.com>
1055 * configure.ac: Only add -Werror if building a target library.
1056 * configure: Rebuild.
1058 2012-11-12 Ian Lance Taylor <iant@google.com>
1059 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1060 Gerald Pfeifer <gerald@pfeifer.com>
1062 * configure.ac: Check for getexecname.
1063 * fileline.c: #include <errno.h>. Define getexecname if not
1065 (fileline_initialize): Try to find the executable in a few
1067 * print.c (error_callback): Only print the filename if it came
1068 from the backtrace state.
1069 * configure, config.h.in: Rebuild.
1071 2012-10-29 Ian Lance Taylor <iant@google.com>
1073 * mmap.c (backtrace_vector_release): Correct last patch: add
1076 2012-10-29 Ian Lance Taylor <iant@google.com>
1078 * mmap.c (backtrace_vector_release): Make sure freed block is
1079 aligned on 8-byte boundary.
1081 2012-10-26 Ian Lance Taylor <iant@google.com>
1084 * posix.c (backtrace_open): Add does_not_exist parameter.
1085 * elf.c (phdr_callback): Do not warn if shared library could not
1087 * fileline.c (fileline_initialize): Update calls to
1089 * internal.h (backtrace_open): Update declaration.
1091 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1094 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1095 * configure: Regenerate.
1097 2012-10-24 Ian Lance Taylor <iant@google.com>
1100 * configure.ac: Check whether -funwind-tables option works.
1101 * configure: Rebuild.
1103 2012-10-11 Ian Lance Taylor <iant@google.com>
1105 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1106 * configure: Rebuild.
1108 2012-10-10 Ian Lance Taylor <iant@google.com>
1110 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1113 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1115 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1117 2012-10-09 Ian Lance Taylor <iant@google.com>
1119 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1120 (backtrace_dwarf_add): Likewise.
1122 2012-10-09 Ian Lance Taylor <iant@google.com>
1124 Add support for tracing through shared libraries.
1125 * configure.ac: Check for link.h and dl_iterate_phdr.
1126 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1127 ELF macros before #defining them.
1128 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1130 (struct elf_syminfo_data): Add next field.
1131 (elf_initialize_syminfo): Initialize next field.
1132 (elf_add_syminfo_data): New static function.
1133 (elf_add): New static function, broken out of
1134 backtrace_initialize. Call backtrace_dwarf_add instead of
1135 backtrace_dwarf_initialize.
1136 (struct phdr_data): Define.
1137 (phdr_callback): New static function.
1138 (backtrace_initialize): Call elf_add.
1139 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1140 (add_unit_addr): Add base_address parameter. Change all callers.
1141 (add_unit_ranges, build_address_map): Likewise.
1142 (add_line): Add ddata parameter. Change all callers.
1143 (read_line_program, add_function_range): Likewise.
1144 (dwarf_lookup_pc): New static function, broken out of
1146 (dwarf_fileline): Call dwarf_lookup_pc.
1147 (build_dwarf_data): New static function.
1148 (backtrace_dwarf_add): New function.
1149 (backtrace_dwarf_initialize): Remove.
1150 * internal.h (backtrace_dwarf_initialize): Don't declare.
1151 (backtrace_dwarf_add): Declare.
1152 * configure, config.h.in: Rebuild.
1154 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1156 * btest.c (f23): Avoid uninitialized variable warning.
1158 2012-10-04 Ian Lance Taylor <iant@google.com>
1160 * dwarf.c: If the system header files do not declare strnlen,
1161 provide our own version.
1163 2012-10-03 Ian Lance Taylor <iant@google.com>
1165 * dwarf.c (read_uleb128): Fix overflow test.
1166 (read_sleb128): Likewise.
1167 (build_address_map): Don't change unit_buf.start.
1169 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
1172 * configure.ac (EXTRA_FLAGS): New.
1173 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1174 * configure, Makefile.in: Regenerate.
1176 2012-09-29 Ian Lance Taylor <iant@google.com>
1179 * fileline.c (fileline_initialize): Pass errnum as -1 when
1180 reporting that we could not read executable information after a
1183 2012-09-27 Ian Lance Taylor <iant@google.com>
1186 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1187 * Makefile.am: Add dependencies for all objects.
1188 * configure, aclocal.m4, Makefile.in: Rebuild.
1190 2012-09-27 Ian Lance Taylor <iant@google.com>
1193 * elf.c (backtrace_initialize): Set *fileln_fn, not
1196 2012-09-19 Ian Lance Taylor <iant@google.com>
1198 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1199 as a target library.
1200 * configure: Rebuild.
1202 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1203 Ian Lance Taylor <iant@google.com>
1205 * configure.ac (GCC_HEADER_STDINT): Invoke.
1206 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1207 * btest.c: Don't include <stdint.h>.
1208 * dwarf.c: Likewise.
1209 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1211 2012-09-18 Ian Lance Taylor <iant@google.com>
1214 * Makefile.am (AM_CPPFLAGS): Define.
1215 (AM_CFLAGS): Remove -I options.
1216 * Makefile.in: Rebuild.
1218 2012-09-18 Ian Lance Taylor <iant@google.com>
1220 * posix.c (O_BINARY): Define if not defined.
1221 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
1222 HAVE_FCNTL is defined.
1223 * configure.ac: Test for the fcntl function.
1224 * configure, config.h.in: Rebuild.
1226 2012-09-18 Ian Lance Taylor <iant@google.com>
1228 * btest.c (test1, test2, test3, test4): Add the unused attribute.
1230 2012-09-18 Ian Lance Taylor <iant@google.com>
1232 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1234 2012-09-18 Ian Lance Taylor <iant@google.com>
1236 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1237 * mmapio.c: Don't define _GNU_SOURCE.
1238 * configure, config.h.in: Rebuild.
1240 2012-09-18 Ian Lance Taylor <iant@google.com>
1242 * configure.ac: Check whether strnlen is declared.
1243 * dwarf.c: Declare strnlen if not declared.
1244 * configure, config.h.in: Rebuild.
1246 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1248 * fileline.c: Include <stdlib.h>.
1251 2012-09-17 Ian Lance Taylor <iant@google.com>
1254 * nounwind.c (backtrace_full): Rename from backtrace. Add state
1257 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
1260 * nounwind.c (backtrace_simple): Add state parameter.
1262 2012-09-17 Ian Lance Taylor <iant@google.com>
1265 * unknown.c (unknown_fileline): Add state parameter, remove
1266 fileline_data parameter, name error_callback parameter.
1267 (backtrace_initialize): Add state parameter.
1269 2012-09-17 Ian Lance Taylor <iant@google.com>
1271 * Initial implementation.
1273 Copyright (C) 2012-2019 Free Software Foundation, Inc.
1275 Copying and distribution of this file, with or without modification,
1276 are permitted in any medium without royalty provided the copyright
1277 notice and this notice are preserved.