12024-06-20 Release Manager 2 3 * GCC 12.4.0 released. 4 52023-05-08 Release Manager 6 7 * GCC 12.3.0 released. 8 92022-08-19 Release Manager 10 11 * GCC 12.2.0 released. 12 132022-05-06 Release Manager 14 15 * GCC 12.1.0 released. 16 172022-04-05 Ian Lance Taylor <iant@golang.org> 18 19 * elf.c (elf_zlib_inflate): Don't skip initial aligned byte in 20 uncompressed block. 21 222022-02-17 Ian Lance Taylor <iant@golang.org> 23 24 * dwarf.c (find_address_ranges): Handle skeleton units. 25 (read_function_entry): Likewise. 26 272022-02-16 Ian Lance Taylor <iant@golang.org> 28 29 * dwarf.c (build_address_map): Initialize DWARF 5 fields of unit. 30 312022-02-03 David Seifert <soap@gentoo.org> 32 Jakub Jelinek <jakub@redhat.com> 33 34 * configure.ac: Support --disable-werror. 35 * configure: Regenerate. 36 372021-12-28 Francois-Xavier Coudert <fxcoudert@gmail.com> 38 39 PR libbacktrace/103822 40 * Makefile.am: Fix newline. 41 * Makefile.in: Regenerate. 42 432021-11-12 Martin Liska <mliska@suse.cz> 44 45 PR libbacktrace/103167 46 * elf.c (elf_uncompress_lzma_block): Cast to unsigned int. 47 (elf_uncompress_lzma): Likewise. 48 * xztest.c (test_samples): memcpy only if v > 0. 49 502021-10-22 Martin Liska <mliska@suse.cz> 51 52 PR testsuite/102742 53 * btest.c (MIN_DESCRIPTOR): New. 54 (MAX_DESCRIPTOR): Likewise. 55 (check_available_files): Likewise. 56 (check_open_files): Check only file descriptors that 57 were not available at the entry. 58 (main): Call check_available_files. 59 602021-08-13 Sergei Trofimovich <siarheit@google.com> 61 62 * install-debuginfo-for-buildid.sh.in: Force non-localized readelf 63 output with LANG=C. 64 652021-06-28 Cl��ment Chigot <clement.chigot@atos.net> 66 67 * xcoff.c (SSUBTYP_DWRNGES): New define. 68 (xcoff_add): Use correct XCOFF DWARF section subtype 69 for DEBUG_RANGES. Remove lineoff workaround. 70 Adjust base_address. 71 (xcoff_initialize_syminfo): Adapt to new base_address. 72 (xcoff_lookup_pc): Likewise. 73 (xcoff_initialize_fileline): Likewise. 74 752021-05-03 H.J. Lu <hjl.tools@gmail.com> 76 77 PR bootstrap/99703 78 * configure: Regenerated. 79 802021-03-03 Ian Lance Taylor <iant@golang.org> 81 82 * dwarf.c (read_line_program): Don't special case file 0. 83 (read_function_entry): Likewise. 84 852021-03-02 Ian Lance Taylor <iant@golang.org> 86 87 PR libbacktrace/98818 88 * dwarf.c (dwarf_buf_error): Add errnum parameter. Change all 89 callers. 90 * backtrace.h: Update backtrace_error_callback comment. 91 922021-02-12 Ian Lance Taylor <iant@golang.org> 93 94 * configure.ac: Check for objcopy --add-gnu-debuglink by using 95 objcopy --help. 96 * configure: Regenerate 97 982021-01-18 Ian Lance Taylor <iant@golang.org> 99 100 * Makefile.am (%_dwz): If dwz fails, use uncompressed debug info. 101 * Makefile.in: Regenerate. 102 * configure: Regenerate. 103 1042021-01-18 Ian Lance Taylor <iant@golang.org> 105 106 PR debug/98716 107 * dwarf.c (read_v2_paths): Allocate zero entry for dirs and 108 filenames. 109 (read_line_program): Remove parameter u, change caller. Don't 110 subtract one from dirs and filenames index. 111 (read_function_entry): Don't subtract one from filenames index. 112 1132021-01-05 Samuel Thibault <samuel.thibault@ens-lyon.org> 114 115 * configure: Re-generate. 116 1172020-12-05 Iain Sandoe <iain@sandoe.co.uk> 118 119 PR target/97865 120 * configure: Regenerate. 121 1222020-12-02 Ian Lance Taylor <iant@golang.org> 123 124 * dwarf.c (resolve_string): Use > rather than >= to check whether 125 string index extends past buffer. 126 (resolve_addr_index): Similarly for address index. 127 1282020-11-29 John David Anglin <danglin@gcc.gnu.org> 129 130 * configure: Regenerate. 131 1322020-10-20 Ian Lance Taylor <iant@golang.org> 133 134 * internal.h (ATTRIBUTE_FALLTHROUGH): Define. 135 * elf.c (elf_zlib_inflate): Use ATTRIBUTE_FALLTHROUGH. 136 1372020-09-28 Ian Lance Taylor <iant@golang.org> 138 139 PR libbacktrace/97082 140 * Makefile.am (check_DATA): Add mtest.dSYM if USE_DSYMUTIL. 141 * Makefile.in: Regenerate. 142 1432020-09-28 Ian Lance Taylor <iant@golang.org> 144 145 PR libbacktrace/97227 146 * configure.ac (USE_DSYMUTIL): Define instead of HAVE_DSYMUTIL. 147 * Makefile.am: Change all uses of HAVE_DSYMUTIL to USE_DSYMUTIL. 148 * configure: Regenerate. 149 * Makefile.in: Regenerate. 150 1512020-09-23 Ian Lance Taylor <iant@golang.org> 152 153 * dwarf.c (report_inlined_functions): Handle PC == -1 and PC == 154 p->low. 155 (dwarf_lookup_pc): Likewise. 156 1572020-09-17 Ian Lance Taylor <iant@golang.org> 158 159 PR libbacktrace/97080 160 * fileline.c (backtrace_syminfo_to_full_callback): New function. 161 (backtrace_syminfo_to_full_error_callback): New function. 162 * elf.c (elf_nodebug): Call syminfo_fn if possible. 163 * internal.h (struct backtrace_call_full): Define. 164 (backtrace_syminfo_to_full_callback): Declare. 165 (backtrace_syminfo_to_full_error_callback): Declare. 166 * mtest.c (f3): Only check all[i] if data.index permits. 167 1682020-09-16 Iain Sandoe <iain@sandoe.co.uk> 169 170 * macho.c (MACH_O_CPU_TYPE_PPC): New. 171 (MACH_O_CPU_TYPE_PPC64): New. 172 Add compile-tests for powerpc to the Mach-O variants. 173 1742020-09-14 Ian Lance Taylor <iant@golang.org> 175 176 PR libbacktrace/93608 177 Add support for MiniDebugInfo. 178 * elf.c (struct elf_view): Define. Replace most uses of 179 backtrace_view with elf_view. 180 (elf_get_view): New static functions. Replace most calls of 181 backtrace_get_view with elf_get_view. 182 (elf_release_view): New static functions. Replace most calls of 183 backtrace_release_view with elf_release_view. 184 (elf_uncompress_failed): Rename from elf_zlib_failed. Change all 185 callers. 186 (LZMA_STATES, LZMA_POS_STATES, LZMA_DIST_STATES): Define. 187 (LZMA_DIST_SLOTS, LZMA_DIST_MODEL_START): Define. 188 (LZMA_DIST_MODEL_END, LZMA_FULL_DISTANCES): Define. 189 (LZMA_ALIGN_SIZE, LZMA_LEN_LOW_SYMBOLS): Define. 190 (LZMA_LEN_MID_SYMBOLS, LZMA_LEN_HIGH_SYMBOLS): Define. 191 (LZMA_LITERAL_CODERS_MAX, LZMA_LITERAL_CODER_SIZE): Define. 192 (LZMA_PROB_IS_MATCH_LEN, LZMA_PROB_IS_REP_LEN): Define. 193 (LZMA_PROB_IS_REP0_LEN, LZMA_PROB_IS_REP1_LEN): Define. 194 (LZMA_PROB_IS_REP2_LEN, LZMA_PROB_IS_REP0_LONG_LEN): Define. 195 (LZMA_PROB_DIST_SLOT_LEN, LZMA_PROB_DIST_SPECIAL_LEN): Define. 196 (LZMA_PROB_DIST_ALIGN_LEN): Define. 197 (LZMA_PROB_MATCH_LEN_CHOICE_LEN): Define. 198 (LZMA_PROB_MATCH_LEN_CHOICE2_LEN): Define. 199 (LZMA_PROB_MATCH_LEN_LOW_LEN): Define. 200 (LZMA_PROB_MATCH_LEN_MID_LEN): Define. 201 (LZMA_PROB_MATCH_LEN_HIGH_LEN): Define. 202 (LZMA_PROB_REP_LEN_CHOICE_LEN): Define. 203 (LZMA_PROB_REP_LEN_CHOICE2_LEN): Define. 204 (LZMA_PROB_REP_LEN_LOW_LEN): Define. 205 (LZMA_PROB_REP_LEN_MID_LEN): Define. 206 (LZMA_PROB_REP_LEN_HIGH_LEN): Define. 207 (LZMA_PROB_LITERAL_LEN): Define. 208 (LZMA_PROB_IS_MATCH_OFFSET, LZMA_PROB_IS_REP_OFFSET): Define. 209 (LZMA_PROB_IS_REP0_OFFSET, LZMA_PROB_IS_REP1_OFFSET): Define. 210 (LZMA_PROB_IS_REP2_OFFSET): Define. 211 (LZMA_PROB_IS_REP0_LONG_OFFSET): Define. 212 (LZMA_PROB_DIST_SLOT_OFFSET): Define. 213 (LZMA_PROB_DIST_SPECIAL_OFFSET): Define. 214 (LZMA_PROB_DIST_ALIGN_OFFSET): Define. 215 (LZMA_PROB_MATCH_LEN_CHOICE_OFFSET): Define. 216 (LZMA_PROB_MATCH_LEN_CHOICE2_OFFSET): Define. 217 (LZMA_PROB_MATCH_LEN_LOW_OFFSET): Define. 218 (LZMA_PROB_MATCH_LEN_MID_OFFSET): Define. 219 (LZMA_PROB_MATCH_LEN_HIGH_OFFSET): Define. 220 (LZMA_PROB_REP_LEN_CHOICE_OFFSET): Define. 221 (LZMA_PROB_REP_LEN_CHOICE2_OFFSET): Define. 222 (LZMA_PROB_REP_LEN_LOW_OFFSET): Define. 223 (LZMA_PROB_REP_LEN_MID_OFFSET): Define. 224 (LZMA_PROB_REP_LEN_HIGH_OFFSET): Define. 225 (LZMA_PROB_LITERAL_OFFSET): Define. 226 (LZMA_PROB_TOTAL_COUNT): Define. 227 (LZMA_IS_MATCH, LZMA_IS_REP, LZMA_IS_REP0): Define. 228 (LZMA_IS_REP1, LZMA_IS_REP2, LZMA_IS_REP0_LONG): Define. 229 (LZMA_DIST_SLOT, LZMA_DIST_SPECIAL, LZMA_DIST_ALIGN): Define. 230 (LZMA_MATCH_LEN_CHOICE, LZMA_MATCH_LEN_CHOICE2): Define. 231 (LZMA_MATCH_LEN_LOW, LZMA_MATCH_LEN_MID): Define. 232 (LZMA_MATCH_LEN_HIGH, LZMA_REP_LEN_CHOICE): Define. 233 (LZMA_REP_LEN_CHOICE2, LZMA_REP_LEN_LOW): Define. 234 (LZMA_REP_LEN_MID, LZMA_REP_LEN_HIGH, LZMA_LITERAL): Define. 235 (elf_lzma_varint): New static function. 236 (elf_lzma_range_normalize): New static function. 237 (elf_lzma_bit, elf_lzma_integer): New static functions. 238 (elf_lzma_reverse_integer): New static function. 239 (elf_lzma_len, elf_uncompress_lzma_block): New static functions. 240 (elf_uncompress_lzma): New static function. 241 (backtrace_uncompress_lzma): New function. 242 (elf_add): Add memory and memory_size parameters. Change all 243 callers. Look for .gnu_debugdata section, and, if found, 244 decompress it and use it for symbols and debug info. Permit the 245 descriptor parameter to be -1. 246 * internal.h (backtrace_uncompress_lzma): Declare. 247 * mtest.c: New file. 248 * xztest.c: New file. 249 * configure.ac: Check for nm, xz, and comm programs. Check for 250 liblzma library. 251 (HAVE_MINIDEBUG): Define. 252 * Makefile.am (mtest_SOURCES): Define. 253 (mtest_CFLAGS, mtest_LDADD): Define. 254 (TESTS): Add mtest_minidebug if HAVE_MINIDEBUG. 255 (%_minidebug): New pattern rule, if HAVE_MINIDEBUG. 256 (xztest_SOURCES, xztest_CFLAGS, xztest_LDADD): Define. 257 (xztest_alloc_SOURCES, xztest_alloc_CFLAGS): Define 258 (xztest_alloc_LDADD): Define. 259 (BUILDTESTS): Add mtest, xztest, xztest_alloc. 260 (CLEANFILES): Add files created by minidebug pattern. 261 (btest.lo): Correct INCDIR reference. 262 (mtest.lo, xztest.lo, ztest.lo): New targets. 263 * configure: Regenerate. 264 * config.h.in: Regenerate. 265 * Makefile.in: Regenerate. 266 2672020-09-09 Ian Lance Taylor <iant@golang.org> 268 269 * pecoff.c (coff_initialize_syminfo): Add is_64 parameter. 270 (coff_add): Determine and pass is_64. 271 2722020-09-09 Ian Lance Taylor <iant@golang.org> 273 274 PR libbacktrace/96973 275 * fileline.c (macho_get_executable_path): New static function. 276 (fileline_initialize): Call macho_get_executable_path. 277 2782020-09-09 Ian Lance Taylor <iant@golang.org> 279 280 * dwarf.c (function_addrs_search): Compare against the next entry 281 low address, not the high address. 282 (unit_addrs_search): Likewise. 283 (build_address_map): Add a trailing unit_addrs. 284 (read_function_entry): Add a trailing function_addrs. 285 (read_function_info): Likewise. 286 (report_inlined_functions): Search backward for function_addrs 287 match. 288 (dwarf_lookup_pc): Search backward for unit_addrs and 289 function_addrs matches. 290 2912020-09-08 Ian Lance Taylor <iant@golang.org> 292 293 * simple.c (simple_unwind): Correct comment spelling. 294 2952020-09-08 Ian Lance Taylor <iant@golang.org> 296 297 * macho.c (macho_add_dsym): Make space for '/' in dsym. Use 298 correct length when freeing diralc. 299 3002020-09-08 Ian Lance Taylor <iant@golang.org> 301 302 PR libbacktrace/96973 303 * macho.c (macho_add_fat): Correctly swap 32-bit file offset. 304 3052020-09-08 Ian Lance Taylor <iant@golang.org> 306 307 PR libbacktrace/96971 308 * filetype.awk: Only match magic number at start of line. 309 3102020-08-24 Ian Lance Taylor <iant@golang.org> 311 312 * macho.c (MACH_O_MH_MAGIC_FAT_64): Define. 313 (MACH_O_MH_CIGAM_FAT_64): Define. 314 (struct macho_fat_arch_64): Define. 315 (macho_add_fat): Add and use is_64 parameter. 316 (macho_add): Recognize 64-bit fat files. 317 3182020-07-30 H.J. Lu <hjl.tools@gmail.com> 319 320 PR bootstrap/96202 321 * configure: Regenerated. 322 3232020-07-08 Ian Lance Taylor <iant@golang.org> 324 325 * configure.ac: Test linker support for DWARF5 326 * configure: Regenerate 327 3282020-05-29 H.J. Lu <hjl.tools@gmail.com> 329 330 PR bootstrap/95413 331 * configure: Regenerated. 332 3332020-05-15 H.J. Lu <hongjiu.lu@intel.com> 334 335 PR bootstrap/95147 336 * configure: Regenerated. 337 3382020-05-14 H.J. Lu <hongjiu.lu@intel.com> 339 340 * configure: Regenerated. 341 3422020-05-13 Ian Lance Taylor <iant@golang.org> 343 344 * ztest.c (test_large): Mark state ATTRIBUTE_UNUSED. 345 3462020-05-13 Ian Lance Taylor <iant@golang.org> 347 348 PR go/95061 349 * posix.c (backtrace_open): Treat EACCESS like ENOENT. 350 3512020-05-12 H.J. Lu <hongjiu.lu@intel.com> 352 353 * Makefile.am (AM_CFLAGS): Add $(CET_HOST_FLAGS). 354 * configure.ac: Add GCC_CET_HOST_FLAGS(CET_HOST_FLAGS) and 355 AC_SUBST(CET_HOST_FLAGS). Clear CET_HOST_FLAGS if jit isn't 356 enabled. 357 * Makefile.in: Regenerated. 358 * configure: Likewise. 359 3602020-05-11 Ian Lance Taylor <iant@golang.org> 361 362 PR libbacktrace/95012 363 * configure.ac: Check for getpagesize declaration. 364 * mmap.c: Declare getpagesize if necessary. 365 * mmapio.c: Likewise. 366 * configure: Regenerate. 367 * config.h.in: Regenerate. 368 * Makefile.in: Regenerate. 369 3702020-05-09 Roland McGrath <mcgrathr@google.com> 371 372 * elf.c (elf_add): Bail early if there are no section headers at all. 373 3742020-05-09 Ian Lance Taylor <iant@golang.org> 375 376 * elf.c (elf_add): Don't free strtab if an error occurs after 377 recording symbol information. 378 3792020-05-09 Ian Lance Taylor <iant@golang.org> 380 381 PR libbacktrace/88745 382 * macho.c: New file. 383 * filetype.awk: Recognize Mach-O files. 384 * Makefile.am (FORMAT_FILES): Add macho.c. 385 (check_DATA): New variable. Set to .dSYM if HAVE_DSYMUTIL. 386 (%.dSYM): New pattern target. 387 (test_macho_SOURCES, test_macho_CFLAGS): New targets. 388 (test_macho_LDADD): New target. 389 (BUILDTESTS): Add test_macho. 390 (macho.lo): Add dependencies. 391 * configure.ac: Recognize macho file type. Check for 392 mach-o/dyld.h. Don't try to run objcopy if we don't find it. 393 Look for dsymutil and define a HAVE_DSYMUTIL conditional. 394 * Makefile.in: Regenerate. 395 * configure: Regenerate. 396 * config.h.in: Regenerate. 397 3982020-05-09 Ian Lance Taylor <iant@golang.org> 399 400 * read.c (backtrace_get_view): Support short read. 401 4022020-05-09 Ian Lance Taylor <iant@golang.org> 403 404 * elf.c (elf_add): If debug sections are very large or far apart, 405 read them individually rather than as a single view. 406 4072020-05-08 Ian Lance Taylor <iant@golang.org> 408 409 * fileline.c (sysctl_exec_name): New static function. 410 (sysctl_exec_name1): New macro or static function. 411 (sysctl_exec_name2): Likewise. 412 (fileline_initialize): Try sysctl_exec_name[12]. 413 * configure.ac: Check for sysctl args to fetch executable name. 414 * configure: Regenerate. 415 * config.h.in: Regenerate. 416 4172020-02-15 Ian Lance Taylor <iant@golang.org> 418 419 * ztest.c (test_large): Update file to current libgo test file. 420 4212020-02-03 Ian Lance Taylor <iant@golang.org> 422 423 * Makefile.am (libbacktrace_TEST_CFLAGS): Define. 424 (test_elf32_CFLAGS): Use $(libbacktrace_test_CFLAGS). 425 (test_elf_64_CFLAGS, test_xcoff_32_CFLAGS): Likewise. 426 (test_xcoff_64_CFLAGS, test_pecoff_CFLAGS): Likewise. 427 (test_unknown_CFLAGS, unittest_CFLAGS): Likewise. 428 (unittest_alloc_CFLAGS, allocfail_CFLAGS): Likewise. 429 (b2test_CFLAGS, b3test_CFLAGS, btest_CFLAGS): Likewise. 430 (btest_lto_CFLAGS, btest_alloc_CFLAGS, stest_CFLAGS): Likewise. 431 (stest_alloc_CFLAGS): Likewise. 432 * Makefile.in: Regenerate. 433 * ztest.c (error_callback_compress): Mark vdata unused. 434 (test_large): Add casts to avoid warnings. 435 4362020-01-01 Jakub Jelinek <jakub@redhat.com> 437 438 Update copyright years. 439 4402019-12-13 Ian Lance Taylor <iant@golang.org> 441 442 Add DWARF 5 support. 443 * dwarf.c (struct attr): Add val field. 444 (enum attr_val_encoding): Add ATTR_VAL_ADDDRESS_INDEX, 445 ATTR_VAL_STRING_INDEX, ATTR_VAL_RNGLISTS_INDEX. 446 (struct line_header): Add addrsize field. 447 (struct line_header_format): Define. 448 (struct unit): Add str_offsets_base, addr_base, and rnglists_base 449 fields. 450 (read_uint24): New static function. 451 (read_attribute): Add implicit_val parameter. Replace dwarf_str 452 and dwarf_str_size parameters with dwarf_sections parameter. Add 453 support for new DWARF 5 forms. Change all callers. 454 (resolve_string): New static function. 455 (resolve_addr_index): Likewise. 456 (read_abbrevs): Support DW_FORM_implicit_const. 457 (struct pcrange): Add lowpc_is_addr_index, highpc_is_addr_Index, 458 and ranges_is_index fields. 459 (update_pcrange): Support DWARF 5 encodings. 460 (add_high_low_range): New static function, split out of 461 add_ranges. 462 (add_ranges_from_ranges): Likewise. 463 (add_ranges_from_rnglists): New static function. 464 (add_ranges): Just call new helper functions. 465 (find_address_ranges): Use resolve_string for strings, after 466 reading all attributes. Handle new DWARF 5 attributes. 467 (build_address_map): Support DWARF 5 compilation units. 468 (read_v2_paths): New static function, split out of 469 read_line_header. 470 (read_lnct): New static function. 471 (read_line_header_format_entries): Likewise. 472 (read_line_header): Add ddata parameter. Support DWARF 5 line 473 headers. Call new helper functions. Change all callers. 474 (read_line_program): Use addrsize from line program header. Don't 475 special case directory index 0 for DWARF 5. 476 (read_referenced_name): Use resolve_string. 477 (read_function_entry): Handle DWARF 5 encodings. Use 478 resolve_string. 479 * internal.h (enum dwarf_section): Add DEBUG_ADDR, 480 DEBUG_STR_OFFSETS, DEBUG_LINE_STR, DEBUG_RNGLISTS. 481 * elf.c (dwarf_section_names): Add new section names. 482 * pecoff.c (dwarf_section_names): Likewise. 483 * xcoff.c (xcoff_add): Clear dwarf_sections before setting 484 fields. 485 * configure.ac: Define HAVE_DWARF5 automake conditional. 486 * Makefile.am (dwarf5_SOURCES): New variable if HAVE_DWARF5. 487 (dwarf5_CFLAGS, dwarf5_LDADD): Likewise. 488 (dwarf5_alloc_SOURCES, dwarf5_alloc_CFLAGS): Likewise. 489 (dwarf5_alloc_LDADD): Likewise. 490 (BUILDTESTS): Add dwarf5 tests if HAVE_DWARF5. 491 (CLEANFILES, clean-local): Define. 492 4932019-12-08 Ian Lance Taylor <iant@golang.org> 494 495 * dwarf.c (struct pcrange): Define. 496 (update_pcrange, add_ranges): New static functions. 497 (add_unit_addr): Change signature to work with add_ranges. Don't 498 add base_address here. 499 (add_unit_ranges): Remove. 500 (find_address_ranges): Replace str/ranges parameters with 501 dwarf_sections. Use update_pcrange and add_ranges. Change all 502 callers. 503 (add_function_range): Change signature to work with add_ranges. 504 Don't add base_address here. 505 (add_function_ranges): Remove. 506 (read_function_entry): Use update_pcrange and add_ranges. 507 5082019-12-04 Ian Lance Taylor <iant@golang.org> 509 510 * edtest.c (test1): Add noclone attribute. 511 5122019-12-04 Ian Lance Taylor <iant@golang.org> 513 514 * internal.h (enum dwarf_section): Define. 515 (struct dwarf_sections): Define. 516 (backtrace_dwarf_add): Update declaration to replace specific 517 section parameters with dwarf_sections parameter. 518 * dwarf.c (struct dwarf_data): Replace specific section fields 519 with dwarf_sections field. 520 (read_attribute): Use dwarf_sections with altlink. 521 (build_address_map): Replace specific section parameters with 522 dwarf_sections parameter. Change all callers. 523 (read_line_info): Use dwarf_sections with ddata. 524 (read_referenced_name): Likewise. 525 (add_function_ranges): Likewise. 526 (read_function_entry): Likewise. 527 (read_function_info): Likewise. 528 (build_dwarf_data): Replace specific section parameters with 529 dwarf_sections parameter. Change all callers. 530 (backtrace_dwarf_add): Likewise. 531 * elf.c (enum debug_section): Remove. 532 (dwarf_section_names): Remove .zdebug names. 533 (elf_add): Track zsections separately. Build dwarf_sections. 534 * pecoff.c (enum debug_section): Remove. 535 (struct debug_section_info): Remove data field. 536 (coff_add): Build dwarf_sections. 537 * xcoff.c (enum dwarf_section): Remove. Replace DWSECT_xxx 538 references with DEBUG_xxx references. 539 (xcoff_add): Build dwarf_sections. 540 5412019-09-27 Maciej W. Rozycki <macro@wdc.com> 542 543 * configure: Regenerate. 544 5452019-09-26 Ian Lance Taylor <iant@golang.org> 546 547 PR libbacktrace/91908 548 * pecoff.c (backtrace_initialize): Explicitly cast unchecked 549 __sync_bool_compare_and_swap to void. 550 * xcoff.c (backtrace_initialize): Likewise. 551 5522019-09-03 Ulrich Weigand <uweigand@de.ibm.com> 553 554 * configure.ac: Remove references to spu. 555 * configure: Regenerate. 556 5572019-05-24 Clement Chigot <clement.chigot@atos.net> 558 559 * Makefile.am (BUILDTESTS): Remove test_elf, add test_elf_32 and 560 test_elf_64. 561 * Makefile.in: Regenerate. 562 5632019-05-14 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 564 565 * configure.ac (have_dl_iterate_phdr): Remove *-*-solaris2.10* 566 handling. 567 * configure: Regenerate. 568 5692019-03-11 Ian Lance Taylor <iant@golang.org> 570 571 PR libbacktrace/89669 572 * Makefile.am (BUILDTESTS): Only add ztest and ztest_alloc if 573 HAVE_ELF. 574 * Makefile.in: Regenerate. 575 5762019-02-26 Tom de Vries <tdevries@suse.de> 577 578 * btest.c (test5): Allow global.* as minimal symbol name for global. 579 5802019-02-26 Tom de Vries <tdevries@suse.de> 581 582 * Makefile.am (TESTS): Only add b3test_dwz_buildid if HAVE_DWZ. 583 * Makefile.in: Regenerate. 584 5852019-02-12 Tom de Vries <tdevries@suse.de> 586 587 PR libbacktrace/81983 588 * dwarf.c (dwarf_lookup_pc): Don't call bsearch if nmemb == 0. 589 5902019-02-10 Tom de Vries <tdevries@suse.de> 591 592 * Makefile.am (BUILDTESTS): Add btest_lto. 593 * Makefile.in: Regenerate. 594 * btest.c (test1, f2, f3, test3, f22, f23): Declare with 595 __attribute__((noclone)). 596 5972019-02-08 Tom de Vries <tdevries@suse.de> 598 599 * backtrace.c (backtrace_full): Declare with __attribute__((noinline)). 600 * print.c (backtrace_print): Same. 601 * simple.c (backtrace_simple): Same. 602 6032019-02-08 Tom de Vries <tdevries@suse.de> 604 605 PR libbacktrace/78063 606 * dwarf.c (build_address_map): Keep all parsed units. 607 (read_referenced_name_from_attr): Handle DW_FORM_ref_addr. 608 6092019-01-31 Tom de Vries <tdevries@suse.de> 610 611 PR libbacktrace/89136 612 * elf.c (elf_add): Read build-id if with_buildid_data. Fix 613 'debugaltlink_name_len =+ 1'. 614 6152019-01-29 Tom de Vries <tdevries@suse.de> 616 617 * install-debuginfo-for-buildid.sh.in: New script. 618 * Makefile.am (check_PROGRAMS): Add b2test and b3test. 619 (TESTS): Add b2test_buildid and b3test_dwz_buildid. 620 * Makefile.in: Regenerate. 621 * configure.ac (HAVE_ELF): Set with AM_CONDITIONAL. 622 (READELF): Set with AC_CHECK_PROG. 623 (install-debuginfo-for-buildid.sh): Generate with AC_CONFIG_FILES. 624 * configure: Regenerate. 625 * elf.c (SYSTEM_BUILD_ID_DIR): Factor out of ... 626 (elf_open_debugfile_by_buildid): ... here. 627 6282019-01-29 Tom de Vries <tdevries@suse.de> 629 630 * Makefile.am: Replace check_PROGRAMS with BUILDTESTS, except for 631 allocfail. 632 (TESTS): Don't add check_PROGRAMS. Add BUILDTESTS. 633 (check_PROGRAMS): Add BUILDTESTS. 634 * Makefile.in: Regenerate. 635 6362019-01-28 Tom de Vries <tdevries@suse.de> 637 638 * Makefile.am (xcoff_%.c): Generate sed result into temporary file. 639 Use $< to access prerequisite. 640 * Makefile.in: Regenerate. 641 6422019-01-25 Nathan Sidwell <nathan@acm.org> 643 644 * elf.c (elf_add): Pass "" filename to recursive call with 645 separated debug. 646 6472019-01-25 Tom de Vries <tdevries@suse.de> 648 649 * elf.c (elf_add): When handling .gnu_debugaltlink, call elf_add with 650 filename == "". 651 * Makefile.am (TESTS): Add btest_dwz_gnudebuglink. 652 * Makefile.in: Regenerate. 653 6542019-01-25 Tom de Vries <tdevries@suse.de> 655 656 * Makefile.am: Rewrite dtest rule into "%_gnudebuglink" pattern rule. 657 (TESTS): Rename dtest to btest_gnudebuglink. 658 * Makefile.in: Regenerate. 659 6602019-01-23 Tom de Vries <tdevries@suse.de> 661 662 * dwarf.c (struct unit): Use size_t for low_offset/high_offset fields. 663 (units_search, find_unit): Use size_t for offset. 664 (build_address_map): Use size_t for unit_offset. 665 6662019-01-20 Gerald Pfeifer <gerald@pfeifer.com> 667 668 * allocfail.c (main): Increase portability of printf statement. 669 6702019-01-18 Ian Lance Taylor <iant@golang.org> 671 672 PR libbacktrace/88890 673 * mmapio.c (backtrace_get_view): Change size parameter to 674 uint64_t. Check that value fits in size_t. 675 * read.c (backtrace_get_view): Likewise. 676 * internal.h (backtrace_get_view): Update declaration. 677 * elf.c (elf_add): Pass shstrhdr->sh_size to backtrace_get_view. 678 6792019-01-17 Tom de Vries <tdevries@suse.de> 680 681 PR libbacktrace/82857 682 * configure.ac (DWZ): Set with AC_CHECK_PROG. 683 (HAVE_DWZ): Set with AM_CONDITIONAL. 684 * configure: Regenerate. 685 * Makefile.am (TESTS): Add btest_dwz. 686 * Makefile.in: Regenerate. 687 6882019-01-17 Tom de Vries <tdevries@suse.de> 689 690 PR libbacktrace/82857 691 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_REF_ALT_INFO. 692 (read_attribute): Handle DW_FORM_GNU_ref_alt using 693 ATTR_VAL_REF_ALT_INFO. 694 (read_referenced_name_from_attr): Handle DW_FORM_GNU_ref_alt. 695 6962019-01-17 Tom de Vries <tdevries@suse.de> 697 698 * dwarf.c (struct unit): Add low_offset and high_offset fields. 699 (struct unit_vector): New type. 700 (struct dwarf_data): Add units and units_counts fields. 701 (find_unit): New function. 702 (find_address_ranges): Add and handle unit_tag parameter. 703 (build_address_map): Add and handle units_vec parameter. 704 (build_dwarf_data): Pass units_vec to build_address_map. Store resulting 705 units vector. 706 7072019-01-17 Tom de Vries <tdevries@suse.de> 708 709 PR libbacktrace/82857 710 * dwarf.c (read_attribute): Handle DW_FORM_GNU_strp_alt 711 using altlink. 712 7132019-01-17 Tom de Vries <tdevries@suse.de> 714 715 * dwarf.c (enum attr_val_encoding): Add ATTR_VAL_NONE. 716 (read_attribute): Add altlink parameter. Handle missing altlink for 717 DW_FORM_GNU_strp_alt and DW_FORM_GNU_ref_alt. 718 (find_address_ranges, build_address_map, build_dwarf_data): Add and 719 handle altlink parameter. 720 (read_referenced_name, read_function_entry): Add argument to 721 read_attribute call. 722 7232019-01-17 Tom de Vries <tdevries@suse.de> 724 725 * dwarf.c (struct dwarf_data): Add altlink field. 726 (backtrace_dwarf_add): Add and handle fileline_altlink parameter. 727 * elf.c (elf_add): Add argument to backtrace_dwarf_add call. 728 (phdr_callback, backtrace_initialize): Add argument to elf_add calls. 729 * internal.h (backtrace_dwarf_add): Add fileline_altlink parameter. 730 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call. 731 * xcoff.c (xcoff_add): Same. 732 7332019-01-17 Tom de Vries <tdevries@suse.de> 734 735 * internal.h (backtrace_dwarf_add): Add fileline_entry parameter. 736 * dwarf.c (backtrace_dwarf_add): Add and handle fileline_entry parameter. 737 * elf.c (elf_add): Add and handle fileline_entry parameter. Add 738 argument to backtrace_dwarf_add call. 739 (phdr_callback, backtrace_initialize): Add argument to elf_add calls. 740 * pecoff.c (coff_add): Add argument to backtrace_dwarf_add call. 741 * xcoff.c (xcoff_add): Same. 742 7432019-01-17 Tom de Vries <tdevries@suse.de> 744 745 * elf.c (elf_add): Add and handle with_buildid_data and 746 with_buildid_size parameters. Handle .gnu_debugaltlink section. 747 (phdr_callback, backtrace_initialize): Add arguments to elf_add calls. 748 7492019-01-16 Tom de Vries <tdevries@suse.de> 750 751 * dwarf.c (read_referenced_name_from_attr): New function. Factor out 752 of ... 753 (read_referenced_name): ... here, and ... 754 (read_function_entry): ... here. 755 7562019-01-16 Tom de Vries <tdevries@suse.de> 757 758 * dwarf.c (read_referenced_name): Don't allow DW_AT_name to override any 759 name. 760 (read_function_entry): Same. Don't allow name found via 761 DW_AT_abstract_origin or case DW_AT_specification to override linkage 762 name. 763 7642019-01-09 Sandra Loosemore <sandra@codesourcery.com> 765 766 PR other/16615 767 768 * backtrace.h: Mechanically replace "can not" with "cannot". 769 7702019-01-01 Jakub Jelinek <jakub@redhat.com> 771 772 Update copyright years. 773 7742018-12-29 Gerald Pfeifer <gerald@pfeifer.com> 775 776 * Makefile.am (xcoff_%.c): Use an actual newline instead of \n 777 in sed pattern. 778 * Makefile.in: Regenerate. 779 7802018-12-28 Tom de Vries <tdevries@suse.de> 781 782 * dwarf.c (build_address_map): Reuse unused units. 783 7842018-12-28 Tom de Vries <tdevries@suse.de> 785 786 * dwarf.c (build_address_map): Simplify by removing local variable 787 abbrevs. 788 7892018-12-28 Ian Lance Taylor <iant@golang.org> 790 Tom de Vries <tdevries@suse.de> 791 792 PR libbacktrace/88063 793 * dwarf.c (free_unit_addrs_vector): Remove. 794 (build_address_map): Keep track of allocated units in vector. Free 795 allocated units and corresponding abbrevs upon failure. Remove now 796 redundant call to free_unit_addrs_vector. Free addrs vector upon 797 failure. Free allocated unit vector. 798 7992018-12-28 Tom de Vries <tdevries@suse.de> 800 801 * dwarf.c (build_address_map): Free addrs vector upon failure. 802 8032018-12-14 Tom de Vries <tdevries@suse.de> 804 805 PR testsuite/88491 806 * allocfail.sh: Remove "set -o pipefail". 807 8082018-12-12 Tom de Vries <tdevries@suse.de> 809 810 * Makefile.am (TESTS): Add allocfail.sh. 811 (check_PROGRAMS): Add allocfail. 812 * Makefile.in: Regenerate. 813 * instrumented_alloc.c: New file. Redefine malloc and realloc. 814 Include alloc.c. 815 * allocfail.c: New file. 816 * allocfail.sh: New file. 817 8182018-11-30 Tom de Vries <tdevries@suse.de> 819 820 * Makefile.am (check_PROGRAMS): Add test_elf, test_xcoff_32, 821 test_xcoff_64, test_pecoff and test_unknown. 822 * Makefile.in: Regenerate. 823 * test_format.c: New file. 824 8252018-11-30 Tom de Vries <tdevries@suse.de> 826 827 * Makefile.am : Add _with_alloc version for each test in 828 check_PROGRAMS. 829 * Makefile.in: Regenerate. 830 8312018-11-30 Tom de Vries <tdevries@suse.de> 832 833 * internal.h (backtrace_vector_free): New static inline fuction, 834 factored out of ... 835 * dwarf.c (read_line_info): ... here. 836 8372018-11-28 Tom de Vries <tdevries@suse.de> 838 839 * dwarf.c (read_abbrevs): Fix handling of abbrevs->abbrevs allocation 840 failure. 841 8422018-11-27 Tom de Vries <tdevries@suse.de> 843 844 * mmap.c (backtrace_vector_release): Same. 845 * unittest.c (test1): Add check. 846 8472018-11-27 Tom de Vries <tdevries@suse.de> 848 849 * alloc.c (backtrace_vector_release): Handle vec->size == 0 using free 850 instead of realloc. 851 * Makefile.am (check_PROGRAMS): Add unittest. 852 * Makefile.in: Regenerate. 853 * unittest.c: New file. 854 8552018-11-22 Tom de Vries <tdevries@suse.de> 856 857 * dwarf.c (read_initial_length): Factor out of ... 858 (build_address_map, read_line_info): ... here. 859 8602018-11-21 Tom de Vries <tdevries@suse.de> 861 862 * dwarf.c (read_string): Factor out of ... 863 (read_attribute, read_line_header, read_line_program): ... here. 864 8652018-10-31 Joseph Myers <joseph@codesourcery.com> 866 867 PR bootstrap/82856 868 * Makefile.am: Include multilib.am. 869 * configure.ac: Remove AC_PREREQ. Use AC_LANG_SOURCE. 870 * Makefile.in, aclocal.m4, config.h.in, configure: Regenerate. 871 8722018-10-05 Ian Lance Taylor <iant@golang.org> 873 874 PR libbacktrace/87529 875 * backtrace.h: Document that backtrace_create_state should be 876 called only once. 877 8782018-08-05 Iain Buclaw <ibuclaw@gdcproject.org> 879 880 * configure.ac: Move define of HAVE_ZLIB into check for -lz. 881 * Makefile.in: Regenerate. 882 * config.h.in: Likewise. 883 * configure: Likewise. 884 8852018-08-01 Tony Reix <tony.reix@atos.net> 886 887 * xcoff.c (struct xcoff_line, struct xcoff_line_vector): Remove. 888 (struct xcoff_func, struct xcoff_func_vector): New structs. 889 (xcoff_syminfo): Drop leading dot from symbol name. 890 (xcoff_line_compare, xcoff_line_search): Remove. 891 (xcoff_func_compare, xcoff_func_search): New static functions. 892 (xcoff_lookup_pc): Search function table. 893 (xcoff_add_line, xcoff_process_linenos): Remove. 894 (xcoff_initialize_fileline): Build function table. 895 8962018-06-21 Denis Khalikov <d.khalikov@partner.samsung.com> 897 898 PR other/86198 899 * elf.c (elf_add): Increase ".note.gnu.build-id" section size 900 checking up to 36 bytes. 901 9022018-04-24 H.J. Lu <hongjiu.lu@intel.com> 903 904 * configure: Regenerated. 905 9062018-04-19 Jakub Jelinek <jakub@redhat.com> 907 908 * configure: Regenerated. 909 9102018-04-17 Ian Lance Taylor <iant@golang.org> 911 912 * backtrace.c: Revert last two changes. Don't call mmap 913 directly. 914 9152018-04-17 Ian Lance Taylor <iant@golang.org> 916 917 * backtrace.c: Include backtrace-supported.h before checking 918 BACKTRACE_USES_MALLOC. 919 9202018-04-17 Ian Lance Taylor <iant@golang.org> 921 922 * backtrace.c (backtrace_full): When testing whether we can 923 allocate memory, call mmap directly, and munmap the memory. 924 9252018-04-04 Jakub Jelinek <jakub@redhat.com> 926 927 PR other/85161 928 * elf.c (elf_zlib_fetch): Fix up predefined macro names in test for 929 big endian, only use 32-bit loads if endianity macros are predefined 930 and indicate big or little endian. 931 9322018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com> 933 934 PR target/84148 935 * configure: Regenerate. 936 9372018-02-15 Jakub Jelinek <jakub@redhat.com> 938 939 PR other/82368 940 * elf.c (SHT_PROGBITS): Undefine and define. 941 9422018-02-14 Jakub Jelinek <jakub@redhat.com> 943 944 PR other/82368 945 * elf.c (EM_PPC64, EF_PPC64_ABI): Undefine and define. 946 (struct elf_ppc64_opd_data): New type. 947 (elf_initialize_syminfo): Add opd argument, handle symbols 948 pointing into the PowerPC64 ELFv1 .opd section. 949 (elf_add): Read .opd section on PowerPC64 ELFv1, pass pointer 950 to structure with .opd data to elf_initialize_syminfo. 951 9522018-01-31 Ian Lance Taylor <iant@golang.org> 953 954 * elf.c (elf_add): Close descriptor if we use a debugfile. 955 * btest.c (check_open_files): New static function. 956 (main): Call check_open_files. 957 9582018-01-25 Ian Lance Taylor <iant@golang.org> 959 960 * elf.c (elf_open_debugfile_by_debuglink): Don't check CRC if the 961 desired CRC is zero. 962 (elf_add): Don't clear *found_sym and *found_dwarf if debuginfo. 963 9642018-01-25 Ian Lance Taylor <iant@golang.org> 965 966 * pecoff.c (coff_add): Only release syms_view if it is valid. 967 9682018-01-25 Ian Lance Taylor <iant@golang.org> 969 970 * pecoff.c (coff_add): Another memcpy -> coff_read4 fix. 971 9722018-01-24 Ian Lance Taylor <iant@golang.org> 973 974 * pecoff.c (coff_add): Use coff_read4, not memcpy. 975 9762018-01-24 Ian Lance Taylor <iant@golang.org> 977 978 PR other/68239 979 * mmap.c (backtrace_free_locked): Don't put more than 16 entries 980 on the free list. 981 9822018-01-19 Tony Reix <tony.reix@atos.net> 983 984 * xcoff.c (xcoff_incl_compare): New function. 985 (xcoff_incl_search): New function. 986 (xcoff_process_linenos): Use bsearch to find include file. 987 (xcoff_initialize_fileline): Sort include file information. 988 9892018-01-16 Ian Lance Taylor <iant@golang.org> 990 991 * elf.c (codes) [GENERATE_FIXED_HUFFMAN_TABLE]: Fix size to be 992 288. 993 (main) [GENERATE_FIXED_HUFFMAN_TABLE]: Pass 288 to 994 elf_zlib_inflate_table. Generate elf_zlib_default_dist_table. 995 (elf_zlib_default_table): Update. 996 (elf_zlib_default_dist_table): New static array. 997 (elf_zlib_inflate): Use elf_zlib_default_dist_table for dist table 998 for block type 1. 999 * ztest.c (struct zlib_test): Add uncompressed_len. 1000 (tests): Initialize uncompressed_len field. Add new test case. 1001 (test_samples): Use uncompressed_len field. 1002 10032018-01-03 Jakub Jelinek <jakub@redhat.com> 1004 1005 Update copyright years. 1006 10072017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com> 1008 1009 * configure.ac: Add CET_FLAGS to EXTRA_FLAGS. 1010 * aclocal.m4: Regenerate. 1011 * Makefile.in: Likewise. 1012 * configure: Likewise. 1013 10142017-10-06 Ian Lance Taylor <iant@golang.org> 1015 1016 * ztest.c (test_large): Pass unsigned long *, not size_t *, to 1017 zlib uncompress function. 1018 10192017-10-05 Ian Lance Taylor <iant@golang.org> 1020 1021 * elf.c (elf_zlib_fetch): Change pval argument to uint64_t *. 1022 Read a four byte integer. 1023 (elf_zlib_inflate): Change val to uint64_t. Align pin to a 32-bit 1024 boundary before ever calling elf_zlib_fetch. 1025 * ztest.c (test_large): Simplify print statements a bit. 1026 10272017-10-02 Ian Lance Taylor <iant@golang.org> 1028 1029 * ztest.c: #include <errno.h>. 1030 (TEST_TIMING): Don't define, don't test. 1031 (xclock_gettime, xclockid_t): Define if !HAVE_CLOCK_GETTIME. 1032 (clockid_t, clock_gettime, CLOCK_REALTIME): Likewise. 1033 (ZLIB_CLOCK_GETTIME_ARG): Define. 1034 * configure.ac: Change clock_gettime_link to CLOCK_GETTIME_LINK. 1035 * Makefile.am: Likewise. 1036 * configure, Makefile.in: Rebuild. 1037 10382017-10-02 Thomas Schwinge <thomas@codesourcery.com> 1039 1040 PR other/67165 1041 * Makefile.am: Append the content of clock_gettime_link to 1042 ztest_LDADD. 1043 * configure.ac: Test for the case that clock_gettime is in librt. 1044 * Makefile.in: Regenerate. 1045 * configure: Likewise. 1046 1047 PR other/67165 1048 * configure.ac: Check for clock_gettime. 1049 * config.h.in: Regenerate. 1050 * configure: Likewise. 1051 * ztest.c (average_time, test_large): Conditionalize test timing 1052 on clock_gettime availability. 1053 10542017-09-29 Tony Reix <tony.reix@atos.net> 1055 1056 * xcoff.c: Initial support for DWARF debug sections in XCOFF. 1057 (STYP_DWARF, SSUBTYP_DW*): Define. 1058 (enum dwarf_section): Define. 1059 (struct dwsect_info): Define. 1060 (xcoff_add): Look for DWARF sections, pass them to 1061 backtrace_dwarf_add. 1062 10632017-09-28 Ian Lance Taylor <iant@golang.org> 1064 1065 PR other/67165 1066 * elf.c (__builtin_prefetch): Define if not __GNUC__. 1067 (unlikely): Define. 1068 (SHF_UNCOMPRESSED, ELFCOMPRESS_ZLIB): Define. 1069 (b_elf_chdr): Define type. 1070 (enum debug_section): Add ZDEBUG_xxx values. 1071 (debug_section_names): Add names for new sections. 1072 (struct debug_section_info): Add compressed field. 1073 (elf_zlib_failed, elf_zlib_fetch): New static functions. 1074 (HUFFMAN_TABLE_SIZE, HUFFMAN_VALUE_MASK): Define. 1075 (HUFFMAN_BITS_SHIFT, HUFFMAN_BITS_MASK): Define. 1076 (HUFFMAN_SECONDARY_SHIFT): Define. 1077 (ZDEBUG_TABLE_SIZE): Define. 1078 (ZDEBUG_TABLE_CODELEN_OFFSET, ZDEBUG_TABLE_WORK_OFFSET): Define. 1079 (final_next_secondary): New static variable if 1080 BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE. 1081 (elf_zlib_inflate_table): New static function. 1082 (BACKTRACE_GENERATE_FIXED_HUFFMAN_TABLE): If define, define main 1083 function to produce fixed Huffman table. 1084 (elf_zlib_default_table): New static variable. 1085 (elf_zlib_inflate): New static function. 1086 (elf_zlib_verify_checksum): Likewise. 1087 (elf_zlib_inflate_and_verify): Likewise. 1088 (elf_uncompress_zdebug): Likewise. 1089 (elf_uncompress_chdr): Likewise. 1090 (backtrace_uncompress_zdebug): New extern function. 1091 (elf_add): Look for .zdebug sections and SHF_COMPRESSED debug 1092 sections, and uncompress them. 1093 * internal.h (backtrace_compress_zdebug): Declare. 1094 * ztest.c: New file. 1095 * configure.ac: Check for -lz and check whether the linker 1096 supports --compress-debug-sections. 1097 * Makefile.am (ztest_SOURCES): New variable. 1098 (ztest_CFLAGS, ztest_LDADD): New variables. 1099 (check_PROGRAMS): Add ztest. 1100 (ctestg_SOURCES): New variable. 1101 (ctestg_CFLAGS, ctestg_LDFLAGS, ctestg_LDADD): New variables. 1102 (ctesta_SOURCES): New variable. 1103 (ctesta_CFLAGS, ctesta_LDFLAGS, ctesta_LDADD): New variables. 1104 (check_PROGRAMS): Add ctestg and ctesta. 1105 * configure, config.h.in, Makefile.in: Rebuild. 1106 11072017-09-22 Ian Lance Taylor <iant@golang.org> 1108 1109 PR sanitizer/77631 1110 * configure.ac: Check for lstat and readlink. 1111 * elf.c (lstat, readlink): Provide dummy versions if real versions 1112 are not available. 1113 * configure, config.h.in: Rebuild. 1114 11152017-09-21 Ian Lance Taylor <iant@google.com> 1116 1117 PR go/82284 1118 * elf.c (backtrace_initialize): Set pd.exe_filename. 1119 11202017-09-20 Ian Lance Taylor <iant@golang.org> 1121 Denis Khalikov <d.khalikov@partner.samsung.com> 1122 1123 PR sanitizer/77631 1124 Support for external debug info. 1125 * elf.c: Include <errno.h>, <sys/stat.h>, <unistd.h>. 1126 (S_ISLNK): Define if not defined. 1127 (xstrnlen): Define if strnlen is not available. 1128 (b_elf_note): Define type. 1129 (NT_GNU_BUILD_ID): Define macro. 1130 (elf_crc32, elf_crc32_file): New static functions. 1131 (elf_is_symlink, elf_readlink): New static functions. 1132 (elf_open_debugfile_by_buildid): New static function. 1133 (elf_try_debugfile): New static function. 1134 (elf_find_debugfile_by_debuglink): New static function. 1135 (elf_open_debugfile_by_debuglink): New static function. 1136 (elf_add): Add filename and debuginfo parameters. Adjust all 1137 callers. Look for external debug info notes, and try to fetch 1138 debug info from external file. 1139 (struct phdr_data): Add exe_filename field. 1140 (phdr_callback): Pass filename to elf_add. 1141 (backtrace_initialize): Add filename parameter. 1142 * internal.h (backtrace_initialize): Add filename parameter. 1143 * fileline.c (fileline_initialize): Pass filename to 1144 backtrace_initialize. 1145 * pecoff.c (fileline_initialize): Add unused filename parameter. 1146 * unknown.c (fileline_initialize): Likewise. 1147 * xcoff.c (fileline_initialize): Likewise. 1148 * configure.ac: Check for objcopy --add-gnu-debuglink. 1149 * Makefile.am (dtest): New test target. 1150 * configure, Makefile.in: Rebuild. 1151 11522017-09-12 Steve Ellcey <sellcey@cavium.com> 1153 1154 PR other/81096 1155 * Makefile.am (ttest_CFLAGS): Add $(AM_CFLAGS) 1156 * Makefile.in: Regenerate. 1157 11582017-09-12 Steve Ellcey <sellcey@cavium.com> 1159 1160 PR other/81096 1161 * libbacktrace/Makefile.in 1162 (HAVE_PTHREAD_TRUE@@NATIVE_TRUE@ttest_CFLAGS): Add $(AM_CFLAGS) 1163 11642017-08-02 David Edelsohn <dje.gcc@gmail.com> 1165 1166 PR bootstrap/81638 1167 * xcoff.c (xcoff_process_linenos): Initialize incl to NULL. 1168 11692017-07-28 Tony Reix <tony.reix@atos.net> 1170 1171 * xcoff.c: Don't leak a file descriptor if an archive is malformed. 1172 11732017-07-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 1174 1175 * fileline.c (fileline_initialize): Print pid_t as long. 1176 11772017-07-26 Tony Reix <tony.reix@atos.net> 1178 1179 * configure.ac: Check for XCOFF32/XCOFF64. Check for loadquery. 1180 * filetype.awk: Separate AIX XCOFF32 and XCOFF64. 1181 * xcoff.c: Add support for AIX XCOFF32 and XCOFF64 formats. 1182 * configure, config.h.in: Regenerate. 1183 11842017-07-21 Tony Reix <tony.reix@atos.net> 1185 1186 * filetype.awk: Add AIX XCOFF type detection. 1187 * configure.ac: Recognize xcoff format. 1188 * Makefile.am (FORMAT_FILES): Add xcoff.c. 1189 * fileline.c: Include <unistd.h>. 1190 (fileline_initialize): Add case for AIX procfs. 1191 * xcoff.c: New file. 1192 * configure, Makefile.in: Rebuild. 1193 11942017-06-21 Richard Biener <rguenther@suse.de> 1195 1196 * configure.ac: Add AC_SYS_LARGEFILE. 1197 * config.h.in: Regenerate. 1198 * configure: Likewise. 1199 12002017-06-11 Ian Lance Taylor <iant@golang.org> 1201 1202 * elf.c (backtrace_initialize): Always set *fileline_fn. 1203 * ttest.c: New file. 1204 * btest.c: Move support functions into testlib.c. Change calls to 1205 check to pass file name. 1206 * testlib.c: New file, copied from (part of) btest.c. 1207 * testlib.h: New file, declarations for testlib.c. 1208 * edtest.c: Use testlib.h and testlib.c. 1209 * configure.ac: Test for -pthread, set HAVE_PTHREAD conditional. 1210 * Makefile.am (btest_SOURCES): Add testlib.c. 1211 (edtest_SOURCES): Likewise. 1212 (CHECK_PROGRAMS): Add ttest if HAVE_PTHREAD. 1213 (ttest_SOURCES, ttest_CFLAGS, ttest_LDADD): Define. 1214 * configure, Makefile.in: Rebuild. 1215 12162017-05-19 Than McIntosh <thanm@google.com> 1217 1218 * dwarf.c (free_line_header): Don't free dirs if dirs_count == 0. 1219 (read_line_header): Don't allocate dirs if dirs_count == 0. 1220 * edtest.c: New file. 1221 * edtest2.c: New file. 1222 * Makefile.am (edtest_SOURCES, edtest_LDADD): Define. 1223 (check_PROGRAMS): Add edtest. 1224 (edtest2_build.c, gen_edtest2_build): New targets. 1225 * Makefile.in: Rebuild. 1226 12272017-03-08 Sam Thursfield <sam.thursfield@codethink.co.uk> 1228 1229 * btest.c (test5): Replace #ifdef guard with 'unused' attribute 1230 to fix compile warning when BACKTRACE_SUPPORTED isn't defined. 1231 12322017-01-01 Jakub Jelinek <jakub@redhat.com> 1233 1234 Update copyright years. 1235 12362016-11-15 Matthias Klose <doko@ubuntu.com> 1237 1238 * configure: Regenerate. 1239 12402016-09-11 Carlos Liam <carlos@aarzee.me> 1241 1242 * all: Remove meaningless trailing whitespace. 1243 12442016-05-18 Uros Bizjak <ubizjak@gmail.com> 1245 1246 PR target/71161 1247 * elf.c (phdr_callback) [__i386__]: Add 1248 __attribute__((__force_align_arg_pointer__)). 1249 12502016-03-02 Maxim Ostapenko <m.ostapenko@partner.samsung.com> 1251 1252 * elf.c (backtrace_initialize): Properly initialize elf_fileline_fn to 1253 avoid possible crash. 1254 (elf_add): Don't set *fileline_fn to elf_nodebug value in case of 1255 missing debug info anymore. 1256 12572016-02-06 John David Anglin <danglin@gcc.gnu.org> 1258 1259 * mmap.c (MAP_FAILED): Define if not defined. 1260 12612016-01-04 Jakub Jelinek <jakub@redhat.com> 1262 1263 Update copyright years. 1264 12652015-12-18 Andris Pavenis <andris.pavenis@iki.fi> 1266 1267 * configure.ac: Specify that DJGPP do not have mmap 1268 even when sys/mman.h exists. 1269 * configure: Regenerate 1270 12712015-12-09 John David Anglin <danglin@gcc.gnu.org> 1272 1273 PR libgfortran/68115 1274 * configure.ac: Set libbacktrace_cv_sys_sync to no on hppa*-*-hpux*. 1275 * configure: Regenerate. 1276 * elf.c (backtrace_initialize): Cast __sync_bool_compare_and_swap call 1277 to void. 1278 12792015-09-17 Ian Lance Taylor <iant@google.com> 1280 1281 * posix.c (backtrace_open): Cast second argument of open() to int. 1282 12832015-09-11 Ian Lance Taylor <iant@google.com> 1284 1285 * Makefile.am (backtrace.lo): Depend on internal.h. 1286 (sort.lo, stest.lo): Add explicit dependencies. 1287 * Makefile.in: Rebuild. 1288 12892015-09-09 Hans-Peter Nilsson <hp@axis.com> 1290 1291 * backtrace.c: #include <sys/types.h>. 1292 12932015-09-08 Ian Lance Taylor <iant@google.com> 1294 1295 PR other/67457 1296 * backtrace.c: #include "internal.h". 1297 (struct backtrace_data): Add can_alloc field. 1298 (unwind): If can_alloc is false, don't try to get file/line 1299 information. 1300 (backtrace_full): Set can_alloc field in bdata. 1301 * alloc.c (backtrace_alloc): Don't call error_callback if it is 1302 NULL. 1303 * mmap.c (backtrace_alloc): Likewise. 1304 * internal.h: Update comments for backtrace_alloc and 1305 backtrace_free. 1306 13072015-09-08 Ian Lance Taylor <iant@google.com> 1308 1309 PR other/67457 1310 * mmap.c (backtrace_alloc): Correct test for mmap failure. 1311 13122015-08-31 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> 1313 1314 * configure.ac: For spu-*-* targets, set have_fcntl to no. 1315 * configure: Regenerate. 1316 13172015-08-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> 1318 1319 * configure.ac: Remove [disable-shared] argument to LT_INIT. 1320 Remove setting PIC_FLAG when building as target library. 1321 * configure: Regenerate. 1322 13232015-08-26 Hans-Peter Nilsson <hp@axis.com> 1324 1325 * configure.ac: Only compile with -fPIC if the target 1326 supports it. 1327 * configure: Regenerate. 1328 13292015-08-24 Ulrich Weigand <Ulrich.Weigand@de.ibm.com> 1330 1331 * configure.ac: Set have_mmap to no on spu-*-* targets. 1332 * configure: Regenerate. 1333 13342015-08-13 Ian Lance Taylor <iant@google.com> 1335 1336 * dwarf.c (read_function_entry): Add vec_inlined parameter. 1337 Change all callers. 1338 13392015-06-11 Martin Sebor <msebor@redhat.com> 1340 1341 PR sanitizer/65479 1342 * dwarf.c (struct line): Add new field idx. 1343 (line_compare): Use it. 1344 (add_line): Set it. 1345 (read_line_info): Reset it. 1346 13472015-05-29 Tristan Gingold <gingold@adacore.com> 1348 1349 * pecoff.c: New file. 1350 * Makefile.am (FORMAT_FILES): Add pecoff.c and dependencies. 1351 * Makefile.in: Regenerate. 1352 * filetype.awk: Detect pecoff. 1353 * configure.ac: Define BACKTRACE_SUPPORTS_DATA on elf platforms. 1354 Add pecoff. 1355 * btest.c (test5): Test enabled only if BACKTRACE_SUPPORTS_DATA is 1356 true. 1357 * backtrace-supported.h.in (BACKTRACE_SUPPORTS_DATA): Define. 1358 * configure: Regenerate. 1359 * pecoff.c: New file. 1360 13612015-05-13 Michael Haubenwallner <michael.haubenwallner@ssi-schaefer.com> 1362 1363 * Makefile.in: Regenerated with automake-1.11.6. 1364 * aclocal.m4: Likewise. 1365 * configure: Likewise. 1366 13672015-01-24 Matthias Klose <doko@ubuntu.com> 1368 1369 * configure.ac: Move AM_ENABLE_MULTILIB before AC_PROG_CC. 1370 * configure: Regenerate. 1371 13722015-01-05 Jakub Jelinek <jakub@redhat.com> 1373 1374 Update copyright years. 1375 13762014-11-21 H.J. Lu <hongjiu.lu@intel.com> 1377 1378 PR bootstrap/63784 1379 * configure: Regenerated. 1380 13812014-11-11 David Malcolm <dmalcolm@redhat.com> 1382 1383 * ChangeLog.jit: New. 1384 13852014-11-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org> 1386 1387 PR target/63610 1388 * configure: Regenerate. 1389 13902014-10-23 Ian Lance Taylor <iant@google.com> 1391 1392 * internal.h (backtrace_atomic_load_pointer) [no atomic or sync]: 1393 Fix to return void *. 1394 13952014-05-08 Ian Lance Taylor <iant@google.com> 1396 1397 * mmap.c (backtrace_free): If freeing a large aligned block of 1398 memory, call munmap rather than holding onto it. 1399 (backtrace_vector_grow): When growing a vector, double the number 1400 of pages requested. When releasing the old version of a grown 1401 vector, pass the correct size to backtrace_free. 1402 14032014-03-07 Ian Lance Taylor <iant@google.com> 1404 1405 * sort.c (backtrace_qsort): Use middle element as pivot. 1406 14072014-03-06 Ian Lance Taylor <iant@google.com> 1408 1409 * sort.c: New file. 1410 * stest.c: New file. 1411 * internal.h (backtrace_qsort): Declare. 1412 * dwarf.c (read_abbrevs): Call backtrace_qsort instead of qsort. 1413 (read_line_info, read_function_entry): Likewise. 1414 (read_function_info, build_dwarf_data): Likewise. 1415 * elf.c (elf_initialize_syminfo): Likewise. 1416 * Makefile.am (libbacktrace_la_SOURCES): Add sort.c. 1417 (stest_SOURCES, stest_LDADD): Define. 1418 (check_PROGRAMS): Add stest. 1419 14202014-02-07 Misty De Meo <misty@brew.sh> 1421 1422 PR target/58710 1423 * configure.ac: Use AC_LINK_IFELSE in check for 1424 _Unwind_GetIPInfo. 1425 * configure: Regenerate. 1426 14272014-01-02 Richard Sandiford <rdsandiford@googlemail.com> 1428 1429 Update copyright years 1430 14312013-12-06 Jakub Jelinek <jakub@redhat.com> 1432 1433 * elf.c (ET_DYN): Undefine and define again. 1434 (elf_add): Add exe argument, if true and ehdr.e_type is ET_DYN, 1435 return early -1 without closing the descriptor. 1436 (struct phdr_data): Add exe_descriptor. 1437 (phdr_callback): If pd->exe_descriptor is not -1, for very first 1438 call if dlpi_name is NULL just call elf_add with the exe_descriptor, 1439 otherwise backtrace_close the exe_descriptor if not -1. Adjust 1440 call to elf_add. 1441 (backtrace_initialize): Adjust call to elf_add. If it returns 1442 -1, set pd.exe_descriptor to descriptor, otherwise set it to -1. 1443 14442013-12-05 Ian Lance Taylor <iant@google.com> 1445 1446 * alloc.c (backtrace_vector_finish): Add error_callback and data 1447 parameters. Call backtrace_vector_release. Return address base. 1448 * mmap.c (backtrace_vector_finish): Add error_callback and data 1449 parameters. Return address base. 1450 * dwarf.c (read_function_info): Get new address base from 1451 backtrace_vector_finish. 1452 * internal.h (backtrace_vector_finish): Update declaration. 1453 14542013-11-27 Ian Lance Taylor <iant@google.com> 1455 1456 * dwarf.c (find_address_ranges): New static function, broken out 1457 of build_address_map. 1458 (build_address_map): Call it. 1459 * btest.c (check): Check for missing filename or function, rather 1460 than crashing. 1461 (f3): Check that enough frames were returned. 1462 14632013-11-19 Jakub Jelinek <jakub@redhat.com> 1464 1465 * backtrace.h (backtrace_syminfo_callback): Add symsize argument. 1466 * elf.c (elf_syminfo): Pass 0 or sym->size to the callback as 1467 last argument. 1468 * btest.c (struct symdata): Add size field. 1469 (callback_three): Add symsize argument. Copy it to the data->size 1470 field. 1471 (f23): Set symdata.size to 0. 1472 (test5): Likewise. If sizeof (int) > 1, lookup address of 1473 ((uintptr_t) &global) + 1. Verify symdata.val and symdata.size 1474 values. 1475 1476 * atomic.c: Include sys/types.h. 1477 14782013-11-18 Ian Lance Taylor <iant@google.com> 1479 1480 * configure.ac: Check for support of __atomic extensions. 1481 * internal.h: Declare or #define atomic functions for use in 1482 backtrace code. 1483 * atomic.c: New file. 1484 * dwarf.c (dwarf_lookup_pc): Use atomic functions. 1485 (dwarf_fileline, backtrace_dwarf_add): Likewise. 1486 * elf.c (elf_add_syminfo_data, elf_syminfo): Likewise. 1487 (backtrace_initialize): Likewise. 1488 * fileline.c (fileline_initialize): Likewise. 1489 * Makefile.am (libbacktrace_la_SOURCES): Add atomic.c. 1490 * configure, config.h.in, Makefile.in: Rebuild. 1491 14922013-11-18 Jakub Jelinek <jakub@redhat.com> 1493 1494 * elf.c (SHN_UNDEF): Define. 1495 (elf_initialize_syminfo): Add base_address argument. Ignore symbols 1496 with st_shndx == SHN_UNDEF. Add base_address to address fields. 1497 (elf_add): Adjust caller. 1498 1499 * elf.c (phdr_callback): Process info->dlpi_addr == 0 normally. 1500 15012013-11-16 Ian Lance Taylor <iant@google.com> 1502 1503 * backtrace.h (backtrace_create_state): Correct comment about 1504 threading. 1505 15062013-11-15 Ian Lance Taylor <iant@google.com> 1507 1508 * backtrace.h (backtrace_syminfo): Update comment and parameter 1509 name to take any address, not just a PC value. 1510 * elf.c (STT_OBJECT): Define. 1511 (elf_nosyms): Rename parameter pc to addr. 1512 (elf_symbol_search): Rename local variable pc to addr. 1513 (elf_initialize_syminfo): Add STT_OBJECT symbols to elf_symbols. 1514 (elf_syminfo): Rename parameter pc to addr. 1515 * btest.c (global): New global variable. 1516 (test5): New test. 1517 (main): Call test5. 1518 15192013-10-17 Ian Lance Taylor <iant@google.com> 1520 1521 * elf.c (elf_add): Don't get the wrong offsets if a debug section 1522 is missing. 1523 15242013-10-15 David Malcolm <dmalcolm@redhat.com> 1525 1526 * configure.ac: Add --enable-host-shared, setting up 1527 pre-existing PIC_FLAG variable within Makefile.am et al. 1528 * configure: Regenerate. 1529 15302013-09-20 Alan Modra <amodra@gmail.com> 1531 1532 * configure: Regenerate. 1533 15342013-07-23 Alexander Monakov <amonakov@ispras.ru> 1535 1536 * elf.c (elf_syminfo): Loop over the elf_syminfo_data chain. 1537 15382013-07-23 Alexander Monakov <amonakov@ispras.ru> 1539 1540 * elf.c (backtrace_initialize): Pass elf_fileline_fn to 1541 dl_iterate_phdr callbacks. 1542 15432013-03-25 Ian Lance Taylor <iant@google.com> 1544 1545 * alloc.c: #include <sys/types.h>. 1546 * mmap.c: Likewise. 1547 15482013-01-31 Ian Lance Taylor <iant@google.com> 1549 1550 * dwarf.c (read_function_info): Permit fvec parameter to be NULL. 1551 (dwarf_lookup_pc): Don't use ddata->fvec if threaded. 1552 15532013-01-25 Jakub Jelinek <jakub@redhat.com> 1554 1555 PR other/56076 1556 * dwarf.c (read_line_header): Don't crash if DW_AT_comp_dir 1557 attribute was not seen. 1558 15592013-01-16 Ian Lance Taylor <iant@google.com> 1560 1561 * dwarf.c (struct unit): Add filename and abs_filename fields. 1562 (build_address_map): Set new fields when reading unit. 1563 (dwarf_lookup_pc): If we don't find an entry in the line table, 1564 just return the main file name. 1565 15662013-01-14 Richard Sandiford <rdsandiford@googlemail.com> 1567 1568 Update copyright years. 1569 15702013-01-01 Ian Lance Taylor <iant@google.com> 1571 1572 PR bootstrap/54834 1573 * Makefile.am (AM_CPPFLAGS): Remove -I ../gcc/include and -I 1574 $(MULTIBUILDTOP)/../../gcc/include. 1575 * Makefile.in: Rebuild. 1576 15772013-01-01 Ian Lance Taylor <iant@google.com> 1578 1579 PR other/55536 1580 * mmap.c (backtrace_alloc): Don't call sync functions if not 1581 threaded. 1582 (backtrace_free): Likewise. 1583 15842012-12-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> 1585 1586 * mmapio.c: Define MAP_FAILED if not defined. 1587 15882012-12-11 Jakub Jelinek <jakub@redhat.com> 1589 1590 PR bootstrap/54926 1591 * Makefile.am (AM_CFLAGS): Remove -frandom-seed=$@. 1592 * configure.ac: If --with-target-subdir, add -frandom-seed=$@ 1593 to EXTRA_FLAGS unconditionally, otherwise check whether the compiler 1594 accepts it. 1595 * Makefile.in: Regenerated. 1596 * configure: Regenerated. 1597 15982012-12-07 Jakub Jelinek <jakub@redhat.com> 1599 1600 PR bootstrap/54926 1601 * Makefile.am (AM_CFLAGS): Add -frandom-seed=$@. 1602 * Makefile.in: Regenerated. 1603 16042012-11-20 Ian Lance Taylor <iant@google.com> 1605 1606 * dwarf.c (read_attribute): Always clear val. 1607 16082012-11-13 Ian Lance Taylor <iant@google.com> 1609 1610 PR other/55312 1611 * configure.ac: Only add -Werror if building a target library. 1612 * configure: Rebuild. 1613 16142012-11-12 Ian Lance Taylor <iant@google.com> 1615 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 1616 Gerald Pfeifer <gerald@pfeifer.com> 1617 1618 * configure.ac: Check for getexecname. 1619 * fileline.c: #include <errno.h>. Define getexecname if not 1620 available. 1621 (fileline_initialize): Try to find the executable in a few 1622 different ways. 1623 * print.c (error_callback): Only print the filename if it came 1624 from the backtrace state. 1625 * configure, config.h.in: Rebuild. 1626 16272012-10-29 Ian Lance Taylor <iant@google.com> 1628 1629 * mmap.c (backtrace_vector_release): Correct last patch: add 1630 aligned, not size. 1631 16322012-10-29 Ian Lance Taylor <iant@google.com> 1633 1634 * mmap.c (backtrace_vector_release): Make sure freed block is 1635 aligned on 8-byte boundary. 1636 16372012-10-26 Ian Lance Taylor <iant@google.com> 1638 1639 PR other/55087 1640 * posix.c (backtrace_open): Add does_not_exist parameter. 1641 * elf.c (phdr_callback): Do not warn if shared library could not 1642 be opened. 1643 * fileline.c (fileline_initialize): Update calls to 1644 backtrace_open. 1645 * internal.h (backtrace_open): Update declaration. 1646 16472012-10-26 Jack Howarth <howarth@bromo.med.uc.edu> 1648 1649 PR target/55061 1650 * configure.ac: Check for _Unwind_GetIPInfo function declaration. 1651 * configure: Regenerate. 1652 16532012-10-24 Ian Lance Taylor <iant@google.com> 1654 1655 PR target/55061 1656 * configure.ac: Check whether -funwind-tables option works. 1657 * configure: Rebuild. 1658 16592012-10-11 Ian Lance Taylor <iant@google.com> 1660 1661 * configure.ac: Do not use dl_iterate_phdr on Solaris 10. 1662 * configure: Rebuild. 1663 16642012-10-10 Ian Lance Taylor <iant@google.com> 1665 1666 * elf.c: Rename all Elf typedefs to start with b_elf, and be all 1667 lower case. 1668 16692012-10-10 Hans-Peter Nilsson <hp@bitrange.com> 1670 1671 * elf.c (elf_add_syminfo_data): Add casts to avoid warning. 1672 16732012-10-09 Ian Lance Taylor <iant@google.com> 1674 1675 * dwarf.c (dwarf_fileline): Add cast to avoid warning. 1676 (backtrace_dwarf_add): Likewise. 1677 16782012-10-09 Ian Lance Taylor <iant@google.com> 1679 1680 Add support for tracing through shared libraries. 1681 * configure.ac: Check for link.h and dl_iterate_phdr. 1682 * elf.c: #include <link.h> if system has dl_iterate_phdr. #undef 1683 ELF macros before #defining them. 1684 (dl_phdr_info, dl_iterate_phdr): Define if system does not have 1685 dl_iterate_phdr. 1686 (struct elf_syminfo_data): Add next field. 1687 (elf_initialize_syminfo): Initialize next field. 1688 (elf_add_syminfo_data): New static function. 1689 (elf_add): New static function, broken out of 1690 backtrace_initialize. Call backtrace_dwarf_add instead of 1691 backtrace_dwarf_initialize. 1692 (struct phdr_data): Define. 1693 (phdr_callback): New static function. 1694 (backtrace_initialize): Call elf_add. 1695 * dwarf.c (struct dwarf_data): Add next and base_address fields. 1696 (add_unit_addr): Add base_address parameter. Change all callers. 1697 (add_unit_ranges, build_address_map): Likewise. 1698 (add_line): Add ddata parameter. Change all callers. 1699 (read_line_program, add_function_range): Likewise. 1700 (dwarf_lookup_pc): New static function, broken out of 1701 dwarf_fileline. 1702 (dwarf_fileline): Call dwarf_lookup_pc. 1703 (build_dwarf_data): New static function. 1704 (backtrace_dwarf_add): New function. 1705 (backtrace_dwarf_initialize): Remove. 1706 * internal.h (backtrace_dwarf_initialize): Don't declare. 1707 (backtrace_dwarf_add): Declare. 1708 * configure, config.h.in: Rebuild. 1709 17102012-10-04 Gerald Pfeifer <gerald@pfeifer.com> 1711 1712 * btest.c (f23): Avoid uninitialized variable warning. 1713 17142012-10-04 Ian Lance Taylor <iant@google.com> 1715 1716 * dwarf.c: If the system header files do not declare strnlen, 1717 provide our own version. 1718 17192012-10-03 Ian Lance Taylor <iant@google.com> 1720 1721 * dwarf.c (read_uleb128): Fix overflow test. 1722 (read_sleb128): Likewise. 1723 (build_address_map): Don't change unit_buf.start. 1724 17252012-10-02 Uros Bizjak <ubizjak@gmail.com> 1726 1727 PR other/54761 1728 * configure.ac (EXTRA_FLAGS): New. 1729 * Makefile.am (AM_FLAGS): Add $(EXTRA_FLAGS). 1730 * configure, Makefile.in: Regenerate. 1731 17322012-09-29 Ian Lance Taylor <iant@google.com> 1733 1734 PR other/54749 1735 * fileline.c (fileline_initialize): Pass errnum as -1 when 1736 reporting that we could not read executable information after a 1737 previous failure. 1738 17392012-09-27 Ian Lance Taylor <iant@google.com> 1740 1741 PR bootstrap/54732 1742 * configure.ac: Add no-dependencies to AM_INIT_AUTOMAKE. 1743 * Makefile.am: Add dependencies for all objects. 1744 * configure, aclocal.m4, Makefile.in: Rebuild. 1745 17462012-09-27 Ian Lance Taylor <iant@google.com> 1747 1748 PR other/54726 1749 * elf.c (backtrace_initialize): Set *fileln_fn, not 1750 state->fileln_fn. 1751 17522012-09-19 Ian Lance Taylor <iant@google.com> 1753 1754 * configure.ac: Only use GCC_CHECK_UNWIND_GETIPINFO when compiled 1755 as a target library. 1756 * configure: Rebuild. 1757 17582012-09-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 1759 Ian Lance Taylor <iant@google.com> 1760 1761 * configure.ac (GCC_HEADER_STDINT): Invoke. 1762 * backtrace.h: If we can't find <stdint.h>, use "gstdint.h". 1763 * btest.c: Don't include <stdint.h>. 1764 * dwarf.c: Likewise. 1765 * configure, aclocal.m4, Makefile.in, config.h.in: Rebuild. 1766 17672012-09-18 Ian Lance Taylor <iant@google.com> 1768 1769 PR bootstrap/54623 1770 * Makefile.am (AM_CPPFLAGS): Define. 1771 (AM_CFLAGS): Remove -I options. 1772 * Makefile.in: Rebuild. 1773 17742012-09-18 Ian Lance Taylor <iant@google.com> 1775 1776 * posix.c (O_BINARY): Define if not defined. 1777 (backtrace_open): Pass O_BINARY to open. Only call fcntl if 1778 HAVE_FCNTL is defined. 1779 * configure.ac: Test for the fcntl function. 1780 * configure, config.h.in: Rebuild. 1781 17822012-09-18 Ian Lance Taylor <iant@google.com> 1783 1784 * btest.c (test1, test2, test3, test4): Add the unused attribute. 1785 17862012-09-18 Ian Lance Taylor <iant@google.com> 1787 1788 * dwarf.c: Correct test of HAVE_DECL_STRNLEN. 1789 17902012-09-18 Ian Lance Taylor <iant@google.com> 1791 1792 * configure.ac: Add AC_USE_SYSTEM_EXTENSIONS. 1793 * mmapio.c: Don't define _GNU_SOURCE. 1794 * configure, config.h.in: Rebuild. 1795 17962012-09-18 Ian Lance Taylor <iant@google.com> 1797 1798 * configure.ac: Check whether strnlen is declared. 1799 * dwarf.c: Declare strnlen if not declared. 1800 * configure, config.h.in: Rebuild. 1801 18022012-09-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> 1803 1804 * fileline.c: Include <stdlib.h>. 1805 * mmap.c: Likewise. 1806 18072012-09-17 Ian Lance Taylor <iant@google.com> 1808 1809 PR bootstrap/54611 1810 * nounwind.c (backtrace_full): Rename from backtrace. Add state 1811 parameter. 1812 18132012-09-17 Gerald Pfeifer <gerald@pfeifer.com> 1814 1815 PR bootstrap/54611 1816 * nounwind.c (backtrace_simple): Add state parameter. 1817 18182012-09-17 Ian Lance Taylor <iant@google.com> 1819 1820 PR bootstrap/54609 1821 * unknown.c (unknown_fileline): Add state parameter, remove 1822 fileline_data parameter, name error_callback parameter. 1823 (backtrace_initialize): Add state parameter. 1824 18252012-09-17 Ian Lance Taylor <iant@google.com> 1826 1827 * Initial implementation. 1828 1829Copyright (C) 2012-2022 Free Software Foundation, Inc. 1830 1831Copying and distribution of this file, with or without modification, 1832are permitted in any medium without royalty provided the copyright 1833notice and this notice are preserved. 1834