1 2022-06-28 Release Manager
5 2021-04-08 Release Manager
9 2021-01-03 Iain Sandoe <iain@sandoe.co.uk>
10 Jakub Jelinek <jakub@redhat.com>
13 * configure: Regenerate.
15 2020-07-23 Release Manager
17 * GCC 10.2.0 released.
19 2020-07-08 Ian Lance Taylor <iant@golang.org>
21 * configure.ac: Test linker support for DWARF5
22 * configure: Regenerate
24 2020-05-07 Release Manager
26 * GCC 10.1.0 released.
28 2020-02-15 Ian Lance Taylor <iant@golang.org>
30 * ztest.c (test_large): Update file to current libgo test file.
32 2020-02-03 Ian Lance Taylor <iant@golang.org>
34 * Makefile.am (libbacktrace_TEST_CFLAGS): Define.
35 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS).
36 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise.
37 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise.
38 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise.
39 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise.
40 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise.
41 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise.
42 (stest_alloc_CFLAGS): Likewise.
43 * Makefile.in: Regenerate.
44 * ztest.c (error_callback_compress): Mark vdata unused.
45 (test_large): Add casts to avoid warnings.
47 2020-01-01 Jakub Jelinek <jakub@redhat.com>
49 Update copyright years.
51 2019-12-13 Ian Lance Taylor <iant@golang.org>
54 * dwarf.c (struct attr): Add val field.
55 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX,
56 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX.
57 (struct line_header): Add addrsize field.
58 (struct line_header_format): Define.
59 (struct unit): Add str_offsets_base, addr_base, and rnglists_base
61 (read_uint24): New static function.
62 (read_attribute): Add implicit_val parameter. Replace dwarf_str
63 and dwarf_str_size parameters with dwarf_sections parameter. Add
64 support for new DWARF 5 forms. Change all callers.
65 (resolve_string): New static function.
66 (resolve_addr_index): Likewise.
67 (read_abbrevs): Support DW_FORM_implicit_const.
68 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index,
69 and ranges_is_index fields.
70 (update_pcrange): Support DWARF 5 encodings.
71 (add_high_low_range): New static function, split out of
73 (add_ranges_from_ranges): Likewise.
74 (add_ranges_from_rnglists): New static function.
75 (add_ranges): Just call new helper functions.
76 (find_address_ranges): Use resolve_string for strings, after
77 reading all attributes. Handle new DWARF 5 attributes.
78 (build_address_map): Support DWARF 5 compilation units.
79 (read_v2_paths): New static function, split out of
81 (read_lnct): New static function.
82 (read_line_header_format_entries): Likewise.
83 (read_line_header): Add ddata parameter. Support DWARF 5 line
84 headers. Call new helper functions. Change all callers.
85 (read_line_program): Use addrsize from line program header. Don't
86 special case directory index 0 for DWARF 5.
87 (read_referenced_name): Use resolve_string.
88 (read_function_entry): Handle DWARF 5 encodings. Use
90 * internal.h (enum dwarf_section): Add DEBUG_ADDR,
91 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS.
92 * elf.c (dwarf_section_names): Add new section names.
93 * pecoff.c (dwarf_section_names): Likewise.
94 * xcoff.c (xcoff_add): Clear dwarf_sections before setting
96 * configure.ac: Define HAVE_DWARF5 automake conditional.
97 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5.
98 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise.
99 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise.
100 (dwarf5_alloc_LDADD): Likewise.
101 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5.
102 (CLEANFILES, clean-local): Define.
104 2019-12-08 Ian Lance Taylor <iant@golang.org>
106 * dwarf.c (struct pcrange): Define.
107 (update_pcrange, add_ranges): New static functions.
108 (add_unit_addr): Change signature to work with add_ranges. Don't
109 add base_address here.
110 (add_unit_ranges): Remove.
111 (find_address_ranges): Replace str/ranges parameters with
112 dwarf_sections. Use update_pcrange and add_ranges. Change all
114 (add_function_range): Change signature to work with add_ranges.
115 Don't add base_address here.
116 (add_function_ranges): Remove.
117 (read_function_entry): Use update_pcrange and add_ranges.
119 2019-12-04 Ian Lance Taylor <iant@golang.org>
121 * edtest.c (test1): Add noclone attribute.
123 2019-12-04 Ian Lance Taylor <iant@golang.org>
125 * internal.h (enum dwarf_section): Define.
126 (struct dwarf_sections): Define.
127 (backtrace_dwarf_add): Update declaration to replace specific
128 section parameters with dwarf_sections parameter.
129 * dwarf.c (struct dwarf_data): Replace specific section fields
130 with dwarf_sections field.
131 (read_attribute): Use dwarf_sections with altlink.
132 (build_address_map): Replace specific section parameters with
133 dwarf_sections parameter. Change all callers.
134 (read_line_info): Use dwarf_sections with ddata.
135 (read_referenced_name): Likewise.
136 (add_function_ranges): Likewise.
137 (read_function_entry): Likewise.
138 (read_function_info): Likewise.
139 (build_dwarf_data): Replace specific section parameters with
140 dwarf_sections parameter. Change all callers.
141 (backtrace_dwarf_add): Likewise.
142 * elf.c (enum debug_section): Remove.
143 (dwarf_section_names): Remove .zdebug names.
144 (elf_add): Track zsections separately. Build dwarf_sections.
145 * pecoff.c (enum debug_section): Remove.
146 (struct debug_section_info): Remove data field.
147 (coff_add): Build dwarf_sections.
148 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx
149 references with DEBUG_xxx references.
150 (xcoff_add): Build dwarf_sections.
152 2019-09-27 Maciej W. Rozycki <macro@wdc.com>
154 * configure: Regenerate.
156 2019-09-26 Ian Lance Taylor <iant@golang.org>
158 PR libbacktrace/91908
159 * pecoff.c (backtrace_initialize): Explicitly cast unchecked
160 __sync_bool_compare_and_swap to void.
161 * xcoff.c (backtrace_initialize): Likewise.
163 2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
165 * configure.ac: Remove references to spu.
166 * configure: Regenerate.
168 2019-05-24 Clement Chigot <clement.chigot@atos.net>
170 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and
172 * Makefile.in: Regenerate.
174 2019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
176 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10*
178 * configure: Regenerate.
180 2019-03-11 Ian Lance Taylor <iant@golang.org>
182 PR libbacktrace/89669
183 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if
185 * Makefile.in: Regenerate.
187 2019-02-26 Tom de Vries <tdevries@suse.de>
189 * btest.c (test5): Allow global.* as minimal symbol name for global.
191 2019-02-26 Tom de Vries <tdevries@suse.de>
193 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ.
194 * Makefile.in: Regenerate.
196 2019-02-12 Tom de Vries <tdevries@suse.de>
198 PR libbacktrace/81983
199 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0.
201 2019-02-10 Tom de Vries <tdevries@suse.de>
203 * Makefile.am (BUILDTESTS): Add btest_lto.
204 * Makefile.in: Regenerate.
205 * btest.c (test1, f2, f3, test3, f22, f23): Declare with
206 __attribute__((noclone)).
208 2019-02-08 Tom de Vries <tdevries@suse.de>
210 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)).
211 * print.c (backtrace_print): Same.
212 * simple.c (backtrace_simple): Same.
214 2019-02-08 Tom de Vries <tdevries@suse.de>
216 PR libbacktrace/78063
217 * dwarf.c (build_address_map): Keep all parsed units.
218 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr.
220 2019-01-31 Tom de Vries <tdevries@suse.de>
222 PR libbacktrace/89136
223 * elf.c (elf_add): Read build-id if with_buildid_data. Fix
224 'debugaltlink_name_len =+ 1'.
226 2019-01-29 Tom de Vries <tdevries@suse.de>
228 * install-debuginfo-for-buildid.sh.in: New script.
229 * Makefile.am (check_PROGRAMS): Add b2test and b3test.
230 (TESTS): Add b2test_buildid and b3test_dwz_buildid.
231 * Makefile.in: Regenerate.
232 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL.
233 (READELF): Set with AC_CHECK_PROG.
234 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES.
235 * configure: Regenerate.
236 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ...
237 (elf_open_debugfile_by_buildid): ... here.
239 2019-01-29 Tom de Vries <tdevries@suse.de>
241 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for
243 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS.
244 (check_PROGRAMS): Add BUILDTESTS.
245 * Makefile.in: Regenerate.
247 2019-01-28 Tom de Vries <tdevries@suse.de>
249 * Makefile.am (xcoff_%.c): Generate sed result into temporary file.
250 Use $< to access prerequisite.
251 * Makefile.in: Regenerate.
253 2019-01-25 Nathan Sidwell <nathan@acm.org>
255 * elf.c (elf_add): Pass "" filename to recursive call with
258 2019-01-25 Tom de Vries <tdevries@suse.de>
260 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with
262 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink.
263 * Makefile.in: Regenerate.
265 2019-01-25 Tom de Vries <tdevries@suse.de>
267 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule.
268 (TESTS): Rename dtest to btest_gnudebuglink.
269 * Makefile.in: Regenerate.
271 2019-01-23 Tom de Vries <tdevries@suse.de>
273 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields.
274 (units_search, find_unit): Use size_t for offset.
275 (build_address_map): Use size_t for unit_offset.
277 2019-01-20 Gerald Pfeifer <gerald@pfeifer.com>
279 * allocfail.c (main): Increase portability of printf statement.
281 2019-01-18 Ian Lance Taylor <iant@golang.org>
283 PR libbacktrace/88890
284 * mmapio.c (backtrace_get_view): Change size parameter to
285 uint64_t. Check that value fits in size_t.
286 * read.c (backtrace_get_view): Likewise.
287 * internal.h (backtrace_get_view): Update declaration.
288 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view.
290 2019-01-17 Tom de Vries <tdevries@suse.de>
292 PR libbacktrace/82857
293 * configure.ac (DWZ): Set with AC_CHECK_PROG.
294 (HAVE_DWZ): Set with AM_CONDITIONAL.
295 * configure: Regenerate.
296 * Makefile.am (TESTS): Add btest_dwz.
297 * Makefile.in: Regenerate.
299 2019-01-17 Tom de Vries <tdevries@suse.de>
301 PR libbacktrace/82857
302 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO.
303 (read_attribute): Handle DW_FORM_GNU_ref_alt using
304 ATTR_VAL_REF_ALT_INFO.
305 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt.
307 2019-01-17 Tom de Vries <tdevries@suse.de>
309 * dwarf.c (struct unit): Add low_offset and high_offset fields.
310 (struct unit_vector): New type.
311 (struct dwarf_data): Add units and units_counts fields.
312 (find_unit): New function.
313 (find_address_ranges): Add and handle unit_tag parameter.
314 (build_address_map): Add and handle units_vec parameter.
315 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting
318 2019-01-17 Tom de Vries <tdevries@suse.de>
320 PR libbacktrace/82857
321 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt
324 2019-01-17 Tom de Vries <tdevries@suse.de>
326 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE.
327 (read_attribute): Add altlink parameter. Handle missing altlink for
328 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt.
329 (find_address_ranges, build_address_map, build_dwarf_data): Add and
330 handle altlink parameter.
331 (read_referenced_name, read_function_entry): Add argument to
334 2019-01-17 Tom de Vries <tdevries@suse.de>
336 * dwarf.c (struct dwarf_data): Add altlink field.
337 (backtrace_dwarf_add): Add and handle fileline_altlink parameter.
338 * elf.c (elf_add): Add argument to backtrace_dwarf_add call.
339 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
340 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter.
341 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
342 * xcoff.c (xcoff_add): Same.
344 2019-01-17 Tom de Vries <tdevries@suse.de>
346 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter.
347 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter.
348 * elf.c (elf_add): Add and handle fileline_entry parameter. Add
349 argument to backtrace_dwarf_add call.
350 (phdr_callback, backtrace_initialize): Add argument to elf_add calls.
351 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call.
352 * xcoff.c (xcoff_add): Same.
354 2019-01-17 Tom de Vries <tdevries@suse.de>
356 * elf.c (elf_add): Add and handle with_buildid_data and
357 with_buildid_size parameters. Handle .gnu_debugaltlink section.
358 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls.
360 2019-01-16 Tom de Vries <tdevries@suse.de>
362 * dwarf.c (read_referenced_name_from_attr): New function. Factor out
364 (read_referenced_name): ... here, and ...
365 (read_function_entry): ... here.
367 2019-01-16 Tom de Vries <tdevries@suse.de>
369 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any
371 (read_function_entry): Same. Don't allow name found via
372 DW_AT_abstract_origin or case DW_AT_specification to override linkage
375 2019-01-09 Sandra Loosemore <sandra@codesourcery.com>
379 * backtrace.h: Mechanically replace "can not" with "cannot".
381 2019-01-01 Jakub Jelinek <jakub@redhat.com>
383 Update copyright years.
385 2018-12-29 Gerald Pfeifer <gerald@pfeifer.com>
387 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n
389 * Makefile.in: Regenerate.
391 2018-12-28 Tom de Vries <tdevries@suse.de>
393 * dwarf.c (build_address_map): Reuse unused units.
395 2018-12-28 Tom de Vries <tdevries@suse.de>
397 * dwarf.c (build_address_map): Simplify by removing local variable
400 2018-12-28 Ian Lance Taylor <iant@golang.org>
401 Tom de Vries <tdevries@suse.de>
403 PR libbacktrace/88063
404 * dwarf.c (free_unit_addrs_vector): Remove.
405 (build_address_map): Keep track of allocated units in vector. Free
406 allocated units and corresponding abbrevs upon failure. Remove now
407 redundant call to free_unit_addrs_vector. Free addrs vector upon
408 failure. Free allocated unit vector.
410 2018-12-28 Tom de Vries <tdevries@suse.de>
412 * dwarf.c (build_address_map): Free addrs vector upon failure.
414 2018-12-14 Tom de Vries <tdevries@suse.de>
417 * allocfail.sh: Remove "set -o pipefail".
419 2018-12-12 Tom de Vries <tdevries@suse.de>
421 * Makefile.am (TESTS): Add allocfail.sh.
422 (check_PROGRAMS): Add allocfail.
423 * Makefile.in: Regenerate.
424 * instrumented_alloc.c: New file. Redefine malloc and realloc.
426 * allocfail.c: New file.
427 * allocfail.sh: New file.
429 2018-11-30 Tom de Vries <tdevries@suse.de>
431 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32,
432 test_xcoff_64, test_pecoff and test_unknown.
433 * Makefile.in: Regenerate.
434 * test_format.c: New file.
436 2018-11-30 Tom de Vries <tdevries@suse.de>
438 * Makefile.am : Add _with_alloc version for each test in
440 * Makefile.in: Regenerate.
442 2018-11-30 Tom de Vries <tdevries@suse.de>
444 * internal.h (backtrace_vector_free): New static inline fuction,
446 * dwarf.c (read_line_info): ... here.
448 2018-11-28 Tom de Vries <tdevries@suse.de>
450 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation
453 2018-11-27 Tom de Vries <tdevries@suse.de>
455 * mmap.c (backtrace_vector_release): Same.
456 * unittest.c (test1): Add check.
458 2018-11-27 Tom de Vries <tdevries@suse.de>
460 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free
462 * Makefile.am (check_PROGRAMS): Add unittest.
463 * Makefile.in: Regenerate.
464 * unittest.c: New file.
466 2018-11-22 Tom de Vries <tdevries@suse.de>
468 * dwarf.c (read_initial_length): Factor out of ...
469 (build_address_map, read_line_info): ... here.
471 2018-11-21 Tom de Vries <tdevries@suse.de>
473 * dwarf.c (read_string): Factor out of ...
474 (read_attribute, read_line_header, read_line_program): ... here.
476 2018-10-31 Joseph Myers <joseph@codesourcery.com>
479 * Makefile.am: Include multilib.am.
480 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE.
481 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate.
483 2018-10-05 Ian Lance Taylor <iant@golang.org>
485 PR libbacktrace/87529
486 * backtrace.h: Document that backtrace_create_state should be
489 2018-08-05 Iain Buclaw <ibuclaw@gdcproject.org>
491 * configure.ac: Move define of HAVE_ZLIB into check for -lz.
492 * Makefile.in: Regenerate.
493 * config.h.in: Likewise.
494 * configure: Likewise.
496 2018-08-01 Tony Reix <tony.reix@atos.net>
498 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove.
499 (struct xcoff_func, struct xcoff_func_vector): New structs.
500 (xcoff_syminfo): Drop leading dot from symbol name.
501 (xcoff_line_compare, xcoff_line_search): Remove.
502 (xcoff_func_compare, xcoff_func_search): New static functions.
503 (xcoff_lookup_pc): Search function table.
504 (xcoff_add_line, xcoff_process_linenos): Remove.
505 (xcoff_initialize_fileline): Build function table.
507 2018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com>
510 * elf.c (elf_add): Increase ".note.gnu.build-id" section size
511 checking up to 36 bytes.
513 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
515 * configure: Regenerated.
517 2018-04-19 Jakub Jelinek <jakub@redhat.com>
519 * configure: Regenerated.
521 2018-04-17 Ian Lance Taylor <iant@golang.org>
523 * backtrace.c: Revert last two changes. Don't call mmap
526 2018-04-17 Ian Lance Taylor <iant@golang.org>
528 * backtrace.c: Include backtrace-supported.h before checking
529 BACKTRACE_USES_MALLOC.
531 2018-04-17 Ian Lance Taylor <iant@golang.org>
533 * backtrace.c (backtrace_full): When testing whether we can
534 allocate memory, call mmap directly, and munmap the memory.
536 2018-04-04 Jakub Jelinek <jakub@redhat.com>
539 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for
540 big endian, only use 32-bit loads if endianity macros are predefined
541 and indicate big or little endian.
543 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
546 * configure: Regenerate.
548 2018-02-15 Jakub Jelinek <jakub@redhat.com>
551 * elf.c (SHT_PROGBITS): Undefine and define.
553 2018-02-14 Jakub Jelinek <jakub@redhat.com>
556 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define.
557 (struct elf_ppc64_opd_data): New type.
558 (elf_initialize_syminfo): Add opd argument, handle symbols
559 pointing into the PowerPC64 ELFv1 .opd section.
560 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer
561 to structure with .opd data to elf_initialize_syminfo.
563 2018-01-31 Ian Lance Taylor <iant@golang.org>
565 * elf.c (elf_add): Close descriptor if we use a debugfile.
566 * btest.c (check_open_files): New static function.
567 (main): Call check_open_files.
569 2018-01-25 Ian Lance Taylor <iant@golang.org>
571 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the
573 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo.
575 2018-01-25 Ian Lance Taylor <iant@golang.org>
577 * pecoff.c (coff_add): Only release syms_view if it is valid.
579 2018-01-25 Ian Lance Taylor <iant@golang.org>
581 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix.
583 2018-01-24 Ian Lance Taylor <iant@golang.org>
585 * pecoff.c (coff_add): Use coff_read4, not memcpy.
587 2018-01-24 Ian Lance Taylor <iant@golang.org>
590 * mmap.c (backtrace_free_locked): Don't put more than 16 entries
593 2018-01-19 Tony Reix <tony.reix@atos.net>
595 * xcoff.c (xcoff_incl_compare): New function.
596 (xcoff_incl_search): New function.
597 (xcoff_process_linenos): Use bsearch to find include file.
598 (xcoff_initialize_fileline): Sort include file information.
600 2018-01-16 Ian Lance Taylor <iant@golang.org>
602 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be
604 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to
605 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table.
606 (elf_zlib_default_table): Update.
607 (elf_zlib_default_dist_table): New static array.
608 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table
610 * ztest.c (struct zlib_test): Add uncompressed_len.
611 (tests): Initialize uncompressed_len field. Add new test case.
612 (test_samples): Use uncompressed_len field.
614 2018-01-03 Jakub Jelinek <jakub@redhat.com>
616 Update copyright years.
618 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
620 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS.
621 * aclocal.m4: Regenerate.
622 * Makefile.in: Likewise.
623 * configure: Likewise.
625 2017-10-06 Ian Lance Taylor <iant@golang.org>
627 * ztest.c (test_large): Pass unsigned long *, not size_t *, to
628 zlib uncompress function.
630 2017-10-05 Ian Lance Taylor <iant@golang.org>
632 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *.
633 Read a four byte integer.
634 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit
635 boundary before ever calling elf_zlib_fetch.
636 * ztest.c (test_large): Simplify print statements a bit.
638 2017-10-02 Ian Lance Taylor <iant@golang.org>
640 * ztest.c: #include <errno.h>.
641 (TEST_TIMING): Don't define, don't test.
642 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME.
643 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise.
644 (ZLIB_CLOCK_GETTIME_ARG): Define.
645 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK.
646 * Makefile.am: Likewise.
647 * configure, Makefile.in: Rebuild.
649 2017-10-02 Thomas Schwinge <thomas@codesourcery.com>
652 * Makefile.am: Append the content of clock_gettime_link to
654 * configure.ac: Test for the case that clock_gettime is in librt.
655 * Makefile.in: Regenerate.
656 * configure: Likewise.
659 * configure.ac: Check for clock_gettime.
660 * config.h.in: Regenerate.
661 * configure: Likewise.
662 * ztest.c (average_time, test_large): Conditionalize test timing
663 on clock_gettime availability.
665 2017-09-29 Tony Reix <tony.reix@atos.net>
667 * xcoff.c: Initial support for DWARF debug sections in XCOFF.
668 (STYP_DWARF, SSUBTYP_DW*): Define.
669 (enum dwarf_section): Define.
670 (struct dwsect_info): Define.
671 (xcoff_add): Look for DWARF sections, pass them to
674 2017-09-28 Ian Lance Taylor <iant@golang.org>
677 * elf.c (__builtin_prefetch): Define if not __GNUC__.
679 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define.
680 (b_elf_chdr): Define type.
681 (enum debug_section): Add ZDEBUG_xxx values.
682 (debug_section_names): Add names for new sections.
683 (struct debug_section_info): Add compressed field.
684 (elf_zlib_failed, elf_zlib_fetch): New static functions.
685 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define.
686 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define.
687 (HUFFMAN_SECONDARY_SHIFT): Define.
688 (ZDEBUG_TABLE_SIZE): Define.
689 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define.
690 (final_next_secondary): New static variable if
691 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE.
692 (elf_zlib_inflate_table): New static function.
693 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main
694 function to produce fixed Huffman table.
695 (elf_zlib_default_table): New static variable.
696 (elf_zlib_inflate): New static function.
697 (elf_zlib_verify_checksum): Likewise.
698 (elf_zlib_inflate_and_verify): Likewise.
699 (elf_uncompress_zdebug): Likewise.
700 (elf_uncompress_chdr): Likewise.
701 (backtrace_uncompress_zdebug): New extern function.
702 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug
703 sections, and uncompress them.
704 * internal.h (backtrace_compress_zdebug): Declare.
706 * configure.ac: Check for -lz and check whether the linker
707 supports --compress-debug-sections.
708 * Makefile.am (ztest_SOURCES): New variable.
709 (ztest_CFLAGS, ztest_LDADD): New variables.
710 (check_PROGRAMS): Add ztest.
711 (ctestg_SOURCES): New variable.
712 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables.
713 (ctesta_SOURCES): New variable.
714 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables.
715 (check_PROGRAMS): Add ctestg and ctesta.
716 * configure, config.h.in, Makefile.in: Rebuild.
718 2017-09-22 Ian Lance Taylor <iant@golang.org>
721 * configure.ac: Check for lstat and readlink.
722 * elf.c (lstat, readlink): Provide dummy versions if real versions
724 * configure, config.h.in: Rebuild.
726 2017-09-21 Ian Lance Taylor <iant@google.com>
729 * elf.c (backtrace_initialize): Set pd.exe_filename.
731 2017-09-20 Ian Lance Taylor <iant@golang.org>
732 Denis Khalikov <d.khalikov@partner.samsung.com>
735 Support for external debug info.
736 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>.
737 (S_ISLNK): Define if not defined.
738 (xstrnlen): Define if strnlen is not available.
739 (b_elf_note): Define type.
740 (NT_GNU_BUILD_ID): Define macro.
741 (elf_crc32, elf_crc32_file): New static functions.
742 (elf_is_symlink, elf_readlink): New static functions.
743 (elf_open_debugfile_by_buildid): New static function.
744 (elf_try_debugfile): New static function.
745 (elf_find_debugfile_by_debuglink): New static function.
746 (elf_open_debugfile_by_debuglink): New static function.
747 (elf_add): Add filename and debuginfo parameters. Adjust all
748 callers. Look for external debug info notes, and try to fetch
749 debug info from external file.
750 (struct phdr_data): Add exe_filename field.
751 (phdr_callback): Pass filename to elf_add.
752 (backtrace_initialize): Add filename parameter.
753 * internal.h (backtrace_initialize): Add filename parameter.
754 * fileline.c (fileline_initialize): Pass filename to
755 backtrace_initialize.
756 * pecoff.c (fileline_initialize): Add unused filename parameter.
757 * unknown.c (fileline_initialize): Likewise.
758 * xcoff.c (fileline_initialize): Likewise.
759 * configure.ac: Check for objcopy --add-gnu-debuglink.
760 * Makefile.am (dtest): New test target.
761 * configure, Makefile.in: Rebuild.
763 2017-09-12 Steve Ellcey <sellcey@cavium.com>
766 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS)
767 * Makefile.in: Regenerate.
769 2017-09-12 Steve Ellcey <sellcey@cavium.com>
772 * libbacktrace/Makefile.in
773 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS)
775 2017-08-02 David Edelsohn <dje.gcc@gmail.com>
778 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL.
780 2017-07-28 Tony Reix <tony.reix@atos.net>
782 * xcoff.c: Don't leak a file descriptor if an archive is malformed.
784 2017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
786 * fileline.c (fileline_initialize): Print pid_t as long.
788 2017-07-26 Tony Reix <tony.reix@atos.net>
790 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery.
791 * filetype.awk: Separate AIX XCOFF32 and XCOFF64.
792 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats.
793 * configure, config.h.in: Regenerate.
795 2017-07-21 Tony Reix <tony.reix@atos.net>
797 * filetype.awk: Add AIX XCOFF type detection.
798 * configure.ac: Recognize xcoff format.
799 * Makefile.am (FORMAT_FILES): Add xcoff.c.
800 * fileline.c: Include <unistd.h>.
801 (fileline_initialize): Add case for AIX procfs.
803 * configure, Makefile.in: Rebuild.
805 2017-06-21 Richard Biener <rguenther@suse.de>
807 * configure.ac: Add AC_SYS_LARGEFILE.
808 * config.h.in: Regenerate.
809 * configure: Likewise.
811 2017-06-11 Ian Lance Taylor <iant@golang.org>
813 * elf.c (backtrace_initialize): Always set *fileline_fn.
815 * btest.c: Move support functions into testlib.c. Change calls to
816 check to pass file name.
817 * testlib.c: New file, copied from (part of) btest.c.
818 * testlib.h: New file, declarations for testlib.c.
819 * edtest.c: Use testlib.h and testlib.c.
820 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional.
821 * Makefile.am (btest_SOURCES): Add testlib.c.
822 (edtest_SOURCES): Likewise.
823 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD.
824 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define.
825 * configure, Makefile.in: Rebuild.
827 2017-05-19 Than McIntosh <thanm@google.com>
829 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0.
830 (read_line_header): Don't allocate dirs if dirs_count == 0.
831 * edtest.c: New file.
832 * edtest2.c: New file.
833 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define.
834 (check_PROGRAMS): Add edtest.
835 (edtest2_build.c, gen_edtest2_build): New targets.
836 * Makefile.in: Rebuild.
838 2017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk>
840 * btest.c (test5): Replace #ifdef guard with 'unused' attribute
841 to fix compile warning when BACKTRACE_SUPPORTED isn't defined.
843 2017-01-01 Jakub Jelinek <jakub@redhat.com>
845 Update copyright years.
847 2016-11-15 Matthias Klose <doko@ubuntu.com>
849 * configure: Regenerate.
851 2016-09-11 Carlos Liam <carlos@aarzee.me>
853 * all: Remove meaningless trailing whitespace.
855 2016-05-18 Uros Bizjak <ubizjak@gmail.com>
858 * elf.c (phdr_callback) [__i386__]: Add
859 __attribute__((__force_align_arg_pointer__)).
861 2016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
863 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to
864 avoid possible crash.
865 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of
866 missing debug info anymore.
868 2016-02-06 John David Anglin <danglin@gcc.gnu.org>
870 * mmap.c (MAP_FAILED): Define if not defined.
872 2016-01-04 Jakub Jelinek <jakub@redhat.com>
874 Update copyright years.
876 2015-12-18 Andris Pavenis <andris.pavenis@iki.fi>
878 * configure.ac: Specify that DJGPP do not have mmap
879 even when sys/mman.h exists.
880 * configure: Regenerate
882 2015-12-09 John David Anglin <danglin@gcc.gnu.org>
885 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*.
886 * configure: Regenerate.
887 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call
890 2015-09-17 Ian Lance Taylor <iant@google.com>
892 * posix.c (backtrace_open): Cast second argument of open() to int.
894 2015-09-11 Ian Lance Taylor <iant@google.com>
896 * Makefile.am (backtrace.lo): Depend on internal.h.
897 (sort.lo, stest.lo): Add explicit dependencies.
898 * Makefile.in: Rebuild.
900 2015-09-09 Hans-Peter Nilsson <hp@axis.com>
902 * backtrace.c: #include <sys/types.h>.
904 2015-09-08 Ian Lance Taylor <iant@google.com>
907 * backtrace.c: #include "internal.h".
908 (struct backtrace_data): Add can_alloc field.
909 (unwind): If can_alloc is false, don't try to get file/line
911 (backtrace_full): Set can_alloc field in bdata.
912 * alloc.c (backtrace_alloc): Don't call error_callback if it is
914 * mmap.c (backtrace_alloc): Likewise.
915 * internal.h: Update comments for backtrace_alloc and
918 2015-09-08 Ian Lance Taylor <iant@google.com>
921 * mmap.c (backtrace_alloc): Correct test for mmap failure.
923 2015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
925 * configure.ac: For spu-*-* targets, set have_fcntl to no.
926 * configure: Regenerate.
928 2015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
930 * configure.ac: Remove [disable-shared] argument to LT_INIT.
931 Remove setting PIC_FLAG when building as target library.
932 * configure: Regenerate.
934 2015-08-26 Hans-Peter Nilsson <hp@axis.com>
936 * configure.ac: Only compile with -fPIC if the target
938 * configure: Regenerate.
940 2015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
942 * configure.ac: Set have_mmap to no on spu-*-* targets.
943 * configure: Regenerate.
945 2015-08-13 Ian Lance Taylor <iant@google.com>
947 * dwarf.c (read_function_entry): Add vec_inlined parameter.
950 2015-06-11 Martin Sebor <msebor@redhat.com>
953 * dwarf.c (struct line): Add new field idx.
954 (line_compare): Use it.
956 (read_line_info): Reset it.
958 2015-05-29 Tristan Gingold <gingold@adacore.com>
960 * pecoff.c: New file.
961 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies.
962 * Makefile.in: Regenerate.
963 * filetype.awk: Detect pecoff.
964 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms.
966 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is
968 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define.
969 * configure: Regenerate.
970 * pecoff.c: New file.
972 2015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com>
974 * Makefile.in: Regenerated with automake-1.11.6.
975 * aclocal.m4: Likewise.
976 * configure: Likewise.
978 2015-01-24 Matthias Klose <doko@ubuntu.com>
980 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC.
981 * configure: Regenerate.
983 2015-01-05 Jakub Jelinek <jakub@redhat.com>
985 Update copyright years.
987 2014-11-21 H.J. Lu <hongjiu.lu@intel.com>
990 * configure: Regenerated.
992 2014-11-11 David Malcolm <dmalcolm@redhat.com>
994 * ChangeLog.jit: New.
996 2014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
999 * configure: Regenerate.
1001 2014-10-23 Ian Lance Taylor <iant@google.com>
1003 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]:
1004 Fix to return void *.
1006 2014-05-08 Ian Lance Taylor <iant@google.com>
1008 * mmap.c (backtrace_free): If freeing a large aligned block of
1009 memory, call munmap rather than holding onto it.
1010 (backtrace_vector_grow): When growing a vector, double the number
1011 of pages requested. When releasing the old version of a grown
1012 vector, pass the correct size to backtrace_free.
1014 2014-03-07 Ian Lance Taylor <iant@google.com>
1016 * sort.c (backtrace_qsort): Use middle element as pivot.
1018 2014-03-06 Ian Lance Taylor <iant@google.com>
1021 * stest.c: New file.
1022 * internal.h (backtrace_qsort): Declare.
1023 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort.
1024 (read_line_info, read_function_entry): Likewise.
1025 (read_function_info, build_dwarf_data): Likewise.
1026 * elf.c (elf_initialize_syminfo): Likewise.
1027 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c.
1028 (stest_SOURCES, stest_LDADD): Define.
1029 (check_PROGRAMS): Add stest.
1031 2014-02-07 Misty De Meo <misty@brew.sh>
1034 * configure.ac: Use AC_LINK_IFELSE in check for
1036 * configure: Regenerate.
1038 2014-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1040 Update copyright years
1042 2013-12-06 Jakub Jelinek <jakub@redhat.com>
1044 * elf.c (ET_DYN): Undefine and define again.
1045 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN,
1046 return early -1 without closing the descriptor.
1047 (struct phdr_data): Add exe_descriptor.
1048 (phdr_callback): If pd->exe_descriptor is not -1, for very first
1049 call if dlpi_name is NULL just call elf_add with the exe_descriptor,
1050 otherwise backtrace_close the exe_descriptor if not -1. Adjust
1052 (backtrace_initialize): Adjust call to elf_add. If it returns
1053 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1.
1055 2013-12-05 Ian Lance Taylor <iant@google.com>
1057 * alloc.c (backtrace_vector_finish): Add error_callback and data
1058 parameters. Call backtrace_vector_release. Return address base.
1059 * mmap.c (backtrace_vector_finish): Add error_callback and data
1060 parameters. Return address base.
1061 * dwarf.c (read_function_info): Get new address base from
1062 backtrace_vector_finish.
1063 * internal.h (backtrace_vector_finish): Update declaration.
1065 2013-11-27 Ian Lance Taylor <iant@google.com>
1067 * dwarf.c (find_address_ranges): New static function, broken out
1068 of build_address_map.
1069 (build_address_map): Call it.
1070 * btest.c (check): Check for missing filename or function, rather
1072 (f3): Check that enough frames were returned.
1074 2013-11-19 Jakub Jelinek <jakub@redhat.com>
1076 * backtrace.h (backtrace_syminfo_callback): Add symsize argument.
1077 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as
1079 * btest.c (struct symdata): Add size field.
1080 (callback_three): Add symsize argument. Copy it to the data->size
1082 (f23): Set symdata.size to 0.
1083 (test5): Likewise. If sizeof (int) > 1, lookup address of
1084 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size
1087 * atomic.c: Include sys/types.h.
1089 2013-11-18 Ian Lance Taylor <iant@google.com>
1091 * configure.ac: Check for support of __atomic extensions.
1092 * internal.h: Declare or #define atomic functions for use in
1094 * atomic.c: New file.
1095 * dwarf.c (dwarf_lookup_pc): Use atomic functions.
1096 (dwarf_fileline, backtrace_dwarf_add): Likewise.
1097 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise.
1098 (backtrace_initialize): Likewise.
1099 * fileline.c (fileline_initialize): Likewise.
1100 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c.
1101 * configure, config.h.in, Makefile.in: Rebuild.
1103 2013-11-18 Jakub Jelinek <jakub@redhat.com>
1105 * elf.c (SHN_UNDEF): Define.
1106 (elf_initialize_syminfo): Add base_address argument. Ignore symbols
1107 with st_shndx == SHN_UNDEF. Add base_address to address fields.
1108 (elf_add): Adjust caller.
1110 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally.
1112 2013-11-16 Ian Lance Taylor <iant@google.com>
1114 * backtrace.h (backtrace_create_state): Correct comment about
1117 2013-11-15 Ian Lance Taylor <iant@google.com>
1119 * backtrace.h (backtrace_syminfo): Update comment and parameter
1120 name to take any address, not just a PC value.
1121 * elf.c (STT_OBJECT): Define.
1122 (elf_nosyms): Rename parameter pc to addr.
1123 (elf_symbol_search): Rename local variable pc to addr.
1124 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols.
1125 (elf_syminfo): Rename parameter pc to addr.
1126 * btest.c (global): New global variable.
1130 2013-10-17 Ian Lance Taylor <iant@google.com>
1132 * elf.c (elf_add): Don't get the wrong offsets if a debug section
1135 2013-10-15 David Malcolm <dmalcolm@redhat.com>
1137 * configure.ac: Add --enable-host-shared, setting up
1138 pre-existing PIC_FLAG variable within Makefile.am et al.
1139 * configure: Regenerate.
1141 2013-09-20 Alan Modra <amodra@gmail.com>
1143 * configure: Regenerate.
1145 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1147 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain.
1149 2013-07-23 Alexander Monakov <amonakov@ispras.ru>
1151 * elf.c (backtrace_initialize): Pass elf_fileline_fn to
1152 dl_iterate_phdr callbacks.
1154 2013-03-25 Ian Lance Taylor <iant@google.com>
1156 * alloc.c: #include <sys/types.h>.
1159 2013-01-31 Ian Lance Taylor <iant@google.com>
1161 * dwarf.c (read_function_info): Permit fvec parameter to be NULL.
1162 (dwarf_lookup_pc): Don't use ddata->fvec if threaded.
1164 2013-01-25 Jakub Jelinek <jakub@redhat.com>
1167 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir
1168 attribute was not seen.
1170 2013-01-16 Ian Lance Taylor <iant@google.com>
1172 * dwarf.c (struct unit): Add filename and abs_filename fields.
1173 (build_address_map): Set new fields when reading unit.
1174 (dwarf_lookup_pc): If we don't find an entry in the line table,
1175 just return the main file name.
1177 2013-01-14 Richard Sandiford <rdsandiford@googlemail.com>
1179 Update copyright years.
1181 2013-01-01 Ian Lance Taylor <iant@google.com>
1184 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I
1185 $(MULTIBUILDTOP)/../../gcc/include.
1186 * Makefile.in: Rebuild.
1188 2013-01-01 Ian Lance Taylor <iant@google.com>
1191 * mmap.c (backtrace_alloc): Don't call sync functions if not
1193 (backtrace_free): Likewise.
1195 2012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1197 * mmapio.c: Define MAP_FAILED if not defined.
1199 2012-12-11 Jakub Jelinek <jakub@redhat.com>
1202 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@.
1203 * configure.ac: If --with-target-subdir, add -frandom-seed=$@
1204 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler
1206 * Makefile.in: Regenerated.
1207 * configure: Regenerated.
1209 2012-12-07 Jakub Jelinek <jakub@redhat.com>
1212 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@.
1213 * Makefile.in: Regenerated.
1215 2012-11-20 Ian Lance Taylor <iant@google.com>
1217 * dwarf.c (read_attribute): Always clear val.
1219 2012-11-13 Ian Lance Taylor <iant@google.com>
1222 * configure.ac: Only add -Werror if building a target library.
1223 * configure: Rebuild.
1225 2012-11-12 Ian Lance Taylor <iant@google.com>
1226 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1227 Gerald Pfeifer <gerald@pfeifer.com>
1229 * configure.ac: Check for getexecname.
1230 * fileline.c: #include <errno.h>. Define getexecname if not
1232 (fileline_initialize): Try to find the executable in a few
1234 * print.c (error_callback): Only print the filename if it came
1235 from the backtrace state.
1236 * configure, config.h.in: Rebuild.
1238 2012-10-29 Ian Lance Taylor <iant@google.com>
1240 * mmap.c (backtrace_vector_release): Correct last patch: add
1243 2012-10-29 Ian Lance Taylor <iant@google.com>
1245 * mmap.c (backtrace_vector_release): Make sure freed block is
1246 aligned on 8-byte boundary.
1248 2012-10-26 Ian Lance Taylor <iant@google.com>
1251 * posix.c (backtrace_open): Add does_not_exist parameter.
1252 * elf.c (phdr_callback): Do not warn if shared library could not
1254 * fileline.c (fileline_initialize): Update calls to
1256 * internal.h (backtrace_open): Update declaration.
1258 2012-10-26 Jack Howarth <howarth@bromo.med.uc.edu>
1261 * configure.ac: Check for _Unwind_GetIPInfo function declaration.
1262 * configure: Regenerate.
1264 2012-10-24 Ian Lance Taylor <iant@google.com>
1267 * configure.ac: Check whether -funwind-tables option works.
1268 * configure: Rebuild.
1270 2012-10-11 Ian Lance Taylor <iant@google.com>
1272 * configure.ac: Do not use dl_iterate_phdr on Solaris 10.
1273 * configure: Rebuild.
1275 2012-10-10 Ian Lance Taylor <iant@google.com>
1277 * elf.c: Rename all Elf typedefs to start with b_elf, and be all
1280 2012-10-10 Hans-Peter Nilsson <hp@bitrange.com>
1282 * elf.c (elf_add_syminfo_data): Add casts to avoid warning.
1284 2012-10-09 Ian Lance Taylor <iant@google.com>
1286 * dwarf.c (dwarf_fileline): Add cast to avoid warning.
1287 (backtrace_dwarf_add): Likewise.
1289 2012-10-09 Ian Lance Taylor <iant@google.com>
1291 Add support for tracing through shared libraries.
1292 * configure.ac: Check for link.h and dl_iterate_phdr.
1293 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef
1294 ELF macros before #defining them.
1295 (dl_phdr_info, dl_iterate_phdr): Define if system does not have
1297 (struct elf_syminfo_data): Add next field.
1298 (elf_initialize_syminfo): Initialize next field.
1299 (elf_add_syminfo_data): New static function.
1300 (elf_add): New static function, broken out of
1301 backtrace_initialize. Call backtrace_dwarf_add instead of
1302 backtrace_dwarf_initialize.
1303 (struct phdr_data): Define.
1304 (phdr_callback): New static function.
1305 (backtrace_initialize): Call elf_add.
1306 * dwarf.c (struct dwarf_data): Add next and base_address fields.
1307 (add_unit_addr): Add base_address parameter. Change all callers.
1308 (add_unit_ranges, build_address_map): Likewise.
1309 (add_line): Add ddata parameter. Change all callers.
1310 (read_line_program, add_function_range): Likewise.
1311 (dwarf_lookup_pc): New static function, broken out of
1313 (dwarf_fileline): Call dwarf_lookup_pc.
1314 (build_dwarf_data): New static function.
1315 (backtrace_dwarf_add): New function.
1316 (backtrace_dwarf_initialize): Remove.
1317 * internal.h (backtrace_dwarf_initialize): Don't declare.
1318 (backtrace_dwarf_add): Declare.
1319 * configure, config.h.in: Rebuild.
1321 2012-10-04 Gerald Pfeifer <gerald@pfeifer.com>
1323 * btest.c (f23): Avoid uninitialized variable warning.
1325 2012-10-04 Ian Lance Taylor <iant@google.com>
1327 * dwarf.c: If the system header files do not declare strnlen,
1328 provide our own version.
1330 2012-10-03 Ian Lance Taylor <iant@google.com>
1332 * dwarf.c (read_uleb128): Fix overflow test.
1333 (read_sleb128): Likewise.
1334 (build_address_map): Don't change unit_buf.start.
1336 2012-10-02 Uros Bizjak <ubizjak@gmail.com>
1339 * configure.ac (EXTRA_FLAGS): New.
1340 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS).
1341 * configure, Makefile.in: Regenerate.
1343 2012-09-29 Ian Lance Taylor <iant@google.com>
1346 * fileline.c (fileline_initialize): Pass errnum as -1 when
1347 reporting that we could not read executable information after a
1350 2012-09-27 Ian Lance Taylor <iant@google.com>
1353 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE.
1354 * Makefile.am: Add dependencies for all objects.
1355 * configure, aclocal.m4, Makefile.in: Rebuild.
1357 2012-09-27 Ian Lance Taylor <iant@google.com>
1360 * elf.c (backtrace_initialize): Set *fileln_fn, not
1363 2012-09-19 Ian Lance Taylor <iant@google.com>
1365 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled
1366 as a target library.
1367 * configure: Rebuild.
1369 2012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1370 Ian Lance Taylor <iant@google.com>
1372 * configure.ac (GCC_HEADER_STDINT): Invoke.
1373 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h".
1374 * btest.c: Don't include <stdint.h>.
1375 * dwarf.c: Likewise.
1376 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild.
1378 2012-09-18 Ian Lance Taylor <iant@google.com>
1381 * Makefile.am (AM_CPPFLAGS): Define.
1382 (AM_CFLAGS): Remove -I options.
1383 * Makefile.in: Rebuild.
1385 2012-09-18 Ian Lance Taylor <iant@google.com>
1387 * posix.c (O_BINARY): Define if not defined.
1388 (backtrace_open): Pass O_BINARY to open. Only call fcntl if
1389 HAVE_FCNTL is defined.
1390 * configure.ac: Test for the fcntl function.
1391 * configure, config.h.in: Rebuild.
1393 2012-09-18 Ian Lance Taylor <iant@google.com>
1395 * btest.c (test1, test2, test3, test4): Add the unused attribute.
1397 2012-09-18 Ian Lance Taylor <iant@google.com>
1399 * dwarf.c: Correct test of HAVE_DECL_STRNLEN.
1401 2012-09-18 Ian Lance Taylor <iant@google.com>
1403 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS.
1404 * mmapio.c: Don't define _GNU_SOURCE.
1405 * configure, config.h.in: Rebuild.
1407 2012-09-18 Ian Lance Taylor <iant@google.com>
1409 * configure.ac: Check whether strnlen is declared.
1410 * dwarf.c: Declare strnlen if not declared.
1411 * configure, config.h.in: Rebuild.
1413 2012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1415 * fileline.c: Include <stdlib.h>.
1418 2012-09-17 Ian Lance Taylor <iant@google.com>
1421 * nounwind.c (backtrace_full): Rename from backtrace. Add state
1424 2012-09-17 Gerald Pfeifer <gerald@pfeifer.com>
1427 * nounwind.c (backtrace_simple): Add state parameter.
1429 2012-09-17 Ian Lance Taylor <iant@google.com>
1432 * unknown.c (unknown_fileline): Add state parameter, remove
1433 fileline_data parameter, name error_callback parameter.
1434 (backtrace_initialize): Add state parameter.
1436 2012-09-17 Ian Lance Taylor <iant@google.com>
1438 * Initial implementation.
1440 Copyright (C) 2012-2020 Free Software Foundation, Inc.
1442 Copying and distribution of this file, with or without modification,
1443 are permitted in any medium without royalty provided the copyright
1444 notice and this notice are preserved.