12021-02-01 Érico Nogueira <ericonr@disroot.org> 2 3 * dwfl_error.c (strerror_r): Only use the GNU version when available. 4 52021-01-08 Timm Bäder <tbaeder@redhat.com> 6 7 * elf-from-memory.c (elf_from_remote_memory): Add for loop over 8 switch. inline handle_segment call, set vaddr, offset and filesz 9 directly based on class. 10 112021-01-08 Timm Bäder <tbaeder@redhat.com> 12 13 * elf-from-memory.c (elf_from_remote_memory): Use if instead of 14 switch on class. Set new vaddr, memsz, offset and filesz 15 variables. Inline handle_segment function check and set loadbase, 16 found_base, segments_end and segments_end_mem directly. 17 182020-12-16 Dmitry V. Levin <ldv@altlinux.org> 19 20 * argp-std.c (_): Remove. 21 * libdwflP.h (_): Likewise. 22 232020-12-12 Dmitry V. Levin <ldv@altlinux.org> 24 25 * libdwfl.h: Fix spelling typos in comments. 26 * dwfl_module_getdwarf.c (open_elf, find_symtab): Likewise. 27 * dwfl_report_elf.c (__libdwfl_elf_address_range): Likewise. 28 * linux-pid-attach.c (read_cached_memory): Likewise. 29 302020-12-07 Timm Bäder <tbaeder@redhat.com> 31 32 * link_map.c (report_r_debug): Pull read_addrs() function into 33 file scope. 34 352020-12-07 Timm Bäder <tbaeder@redhat.com> 36 37 * link_map.c (report_r_debug): Pull release_buffer() function into 38 file scope. Add memory_closure struct. 39 402020-12-08 Dmitry V. Levin <ldv@altlinux.org> 41 42 * debuginfod-client.c (__libdwfl_debuginfod_init): Replace 43 "libdebuginfod-" VERSION ".so" with DEBUGINFOD_SONAME in dlopen call. 44 Do not fall back to dlopen of "libdebuginfod.so". 45 462020-12-01 Timm Bäder <tbaeder@redhat.com> 47 48 * link_map.c (dwfl_link_map_report): Removed consider_phdr function 49 and inline code. 50 512020-11-28 Mark Wielaard <mark@klomp.org> 52 53 * dwfl_segment_report_module.c (dwfl_segment_report_module): 54 Use GElf_Addr to calculate note_vaddr instead of size_t. 55 562020-11-26 Timm Bäder <tbaeder@redhat.com> 57 58 * dwfl_segment_report_module.c (dwfl_segment_report_module): 59 Remove consider_notes function. Inline code for type == PT_NOTE. 60 612020-11-26 Timm Bäder <tbaeder@redhat.com> 62 63 * dwfl_segment_report_module.c (read_portion): New static function. 64 (dwfl_segment_report_module): Remove read_portion function. 65 Call static function with read_state, start and segment. 66 672020-11-26 Timm Bäder <tbaeder@redhat.com> 68 69 * dwfl_segment_report_module.c (struct read_state): New. 70 (finish_portion): New static function. 71 (dwfl_segment_report_module): Introduce read_state. Remove 72 finish_portion function. Call static function with read_state. 73 742020-11-23 Timm Bäder <tbaeder@redhat.com> 75 76 * segment_report_module.c (dwfl_segment_report_module): Remove 77 consider_phdr, do checks inline. 78 792020-11-23 Timm Bäder <tbaeder@redhat.com> 80 81 * segment_report_module.c (dwfl_segment_report_module): Remove 82 consider_dyn, do checks inline. 83 842020-11-23 Timm Bäder <tbaeder@redhat.com> 85 86 * segment_report_module.c (dwfl_segment_report_module): Do one 87 loop check for d32/d64 arrays. 88 892020-11-23 Timm Bäder <tbaeder@redhat.com> 90 91 * segment_report_module.c (dwfl_segment_report_module): Remove 92 read_phdr, do check and call memory_callback directly. 93 942020-11-23 Timm Bäder <tbaeder@redhat.com> 95 96 * segment_report_module.c (dwfl_segment_report_module): Do one 97 loop check for p32/p64 arrays. 98 992020-11-23 Timm Bäder <tbaeder@redhat.com> 100 101 * segment_report_module.c (dwfl_segment_report_module): Remove 102 final_read, call memory_callback directly. 103 1042020-11-23 Timm Bäder <tbaeder@redhat.com> 105 106 * segment_report_module.c (struct elf_build_id): New. 107 (dwfl_segment_report_module): Pass build_id as struct. 108 1092020-11-23 Timm Bäder <tbaeder@redhat.com> 110 111 * segment_report_module.c (dwfl_segment_report_module): Remove 112 release_buffer, call memory_callback directly. 113 1142020-11-23 Timm Bäder <tbaeder@redhat.com> 115 116 * segment_report_module.c (dwfl_segment_report_module): Remove 117 segment_read, call memory_callback directly. 118 1192020-11-19 Andreas Krebbel <krebbel@linux.ibm.com> 120 121 * linux-pid-attach.c (pid_memory_read): Shift the upper 4 bytes 122 down on big endian 64 bit targets. 123 1242020-11-12 Timm Bäder <tbaeder@redhat.com> 125 126 * dwfl_segment_report_module.c (dwfl_segment_report_module): Remove 127 finish function, replace with goto out. 128 1292020-11-12 Timm Bäder <tbaeder@redhat.com> 130 131 * dwfl_segment_report_module.c (dwfl_segment_report_module): Declare 132 p32 and p64 as pointers instead of arrays. 133 1342020-09-18 Mark Wielaard <mark@klomp.org> 135 136 * zstd.c: New file. 137 * libdwflP.h: Add DWFL_E_ZSTD and __libdw_unzstd. 138 * Makefile.am (libdwfl_a_SOURCES): add zstd.c if ZSTD. 139 * gzip.c: Add defines and includes for ZSTD. 140 (zlib_fail): Don't define for ZSTD. 141 (unzip): Change pread_retry failure from zlib_fail to fail. 142 Add ZSTD support. 143 * open.c (decompress): Also try __libdw_unzstd. 144 * linux-kernel-modules.c (check_suffix): Also TRY ".ko.zst". 145 1462020-08-20 Dmitry V. Levin <ldv@altlinux.org> 147 148 * Makefile.am (libdwfl_a_SOURCES): Conditionalize 149 debuginfod-client.c on LIBDEBUGINFOD. 150 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Conditionalize 151 __libdwfl_debuginfod_find_executable invocation on 152 ENABLE_LIBDEBUGINFOD. 153 * dwfl_end.c (dwfl_end): Conditionalize __libdwfl_debuginfod_end 154 invocation on ENABLE_LIBDEBUGINFOD. 155 * find-debuginfo.c (dwfl_standard_find_debuginfo): Conditionalize 156 __libdwfl_debuginfod_find_debuginfo invocation on 157 ENABLE_LIBDEBUGINFOD. 158 * libdwflP.h: Guard debuginfod.h include with ENABLE_LIBDEBUGINFOD. 159 (struct Dwfl): Guard debuginfod field with ENABLE_LIBDEBUGINFOD. 160 (__libdwfl_debuginfod_find_executable, 161 __libdwfl_debuginfod_find_debuginfo, __libdwfl_debuginfod_end): 162 Guard declarations with ENABLE_LIBDEBUGINFOD. 163 1642020-07-05 Mark Wielaard <mark@klomp.org> 165 166 * argp-std.c (parse_opt): Don't assert, but call fail when 167 dwfl_report_end fails. 168 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't 169 assert, but goto bad_id when snprintf fails. 170 * frame_unwind.c (__libdwfl_frame_unwind): Don't assert, but 171 return when dwfl_frame_pc fails. 172 * linux-core-attach.c (core_set_initial_registers): Don't assert, 173 but return false when gelf_getnote fails or the core note is not 174 as expected. 175 * linux-pid-attach.c (dwfl_linux_proc_attach): Don't assert, but 176 goto fail when snprintf fails. 177 1782020-06-16 Mark Wielaard <mark@klomp.org> 179 180 * frame_unwind.c (handle_cfi): Flag an error if 181 return_address_register is invalid. 182 1832020-06-16 Mark Wielaard <mark@klomp.org> 184 185 * linux-kernel-modules.c (try_kernel_name): Don't try other 186 compressed kernels if we already found an compressed image. 187 1882020-05-09 Mark Wielaard <mark@klomp.org> 189 190 * find-debuginfo.c (dwfl_standard_find_debuginfo): Return failure 191 when mod is NULL. 192 1932020-05-08 Mark Wielaard <mark@klomp.org> 194 195 * libdwfl/core-file.c (dwfl_core_file_report): Keep track of 196 new bool cleanup_user_core and cleanup dwfl->user_core in error 197 case. 198 1992020-04-30 Mark Wielaard <mark@klomp.org> 200 201 * find-debuginfo.c (dwfl_standard_find_debuginfo): When mod->dw 202 is already set then try fetching debugaltlink. 203 2042020-04-25 Mark Wielaard <mark@klomp.org> 205 206 * gzip.c (open_stream): Return DWFL_E_NOMEM instead of calling 207 zlib_fail. 208 2092020-04-16 Mark Wielaard <mark@klomp.org> 210 211 * find-debuginfo.c (dwfl_standard_find_debuginfo): Initialize bits 212 to NULL. 213 2142020-01-24 Mark Wielaard <mark@klomp.org> 215 216 * linux-kernel-modules.c (find_kernel_elf): Check release isn't NULL. 217 (report_kernel): Check release and *release aren't NULL. 218 (report_kernel_archive): Likewise. 219 2202019-12-11 Omar Sandoval <osandov@fb.com> 221 222 * libdwflP.h (Dwfl_Module): Remove coalescing state. 223 Rename lookup_tail_ndx to next_segndx. 224 * segment.c (dwfl_report_segment): Remove coalescing logic. 225 * libdwfl.h (dwfl_report_segment): Document that IDENT is ignored. 226 2272019-12-05 Mark Wielaard <mark@klomp.org> 228 229 * linux-kernel-modules.c (find_kernel_elf): Also try to find 230 vmlinux image. 231 2322019-10-28 Aaron Merey <amerey@redhat.com> 233 234 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Call debuginfod 235 client functions via dlopen to look for elf/dwarf files as fallback. 236 * find-debuginfo.c (dwfl_standard_find_debuginfo): Ditto. 237 2382019-10-07 Omar Sandoval <osandov@fb.com> 239 240 * dwfl_frame.c (dwfl_getthreads): Get rid of unnecessary 241 thread_free_all_states calls. 242 (getthread): Ditto. 243 (state_free): Remove function. 244 (thread_free_all_states): Remove function. 245 (free_states): Add function. 246 (dwfl_thread_getframes): Don't update thread->unwound while unwinding. 247 * libdwflP.h (struct Dwfl_Thread): Update comment for unwound member. 248 2492019-08-12 Mark Wielaard <mark@klomp.org> 250 251 * gzip.c (open_stream): Return DWFL_E_ERRNO on bad file operation. 252 * open.c (libdw_open_elf): New argument bad_elf_ok. Check it and 253 return DWFL_E_NOERROR in case it is set and error was DWFL_E_BADELF. 254 (__libdw_open_file): Call libdw_open_elf with bad_elf_ok false. 255 (__libdw_open_elf): Call libdw_open_elf with bad_elf_ok true. 256 2572019-08-05 Omar Sandoval <osandov@fb.com> 258 259 * dwfl_segment_report_module.c (dwfl_segment_report_module): Assign 260 mod->main.fd. 261 2622019-04-28 Mark Wielaard <mark@klomp.org> 263 264 * frame_unwind.c (expr_eval): Make sure we left shift a unsigned 265 64bit value. 266 2672019-04-28 Mark Wielaard <mark@klomp.org> 268 269 * cu.c (addrarange): Only call realloc when naranges is not zero. 270 2712019-03-27 Mark Wielaard <mark@klomp.org> 272 273 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 274 ph_buffer_size vs xlatefrom.d_size after read_portion call. 275 2762019-02-24 Mark Wielaard <mark@klomp.org> 277 278 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before 279 fopen. 280 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm. 281 2822019-01-25 Yonghong Song <yhs@fb.com> 283 284 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to 285 read the inode number. 286 2872019-01-20 Mark Wielaard <mark@klomp.org> 288 289 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 290 dyn_filesz vs dyn_data_size after read_portion call. 291 2922019-01-16 Mark Wielaard <mark@klomp.org> 293 294 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note. 295 (core_set_initial_registers): Likewise. 296 2972018-10-23 Mark Wielaard <mark@klomp.org> 298 299 * relocate.c (relocate_section): Only sanity check mmapped Elf files 300 for overlap. Don't error when section data was malloced, not mmapped. 301 3022018-10-20 Mark Wielaard <mark@klomp.org> 303 304 * libdwflP.h (__libdw_open_elf): New internal function declaration. 305 * open.c (what_kind): Rename close_fd to may_close_fd. 306 (__libdw_open_file): Replaced (and renamed) by a call to ... 307 (libdw_open_elf): this. And add never_close_fd argument. 308 (__libdw_open_elf): New function that calls libdw_open_elf. 309 3102018-10-18 Mark Wielaard <mark@klomp.org> 311 312 * dwfl_segment_report_module.c (consider_note): Take align as new 313 argument. Use align to set d_type and calculate padding. 314 (dwfl_segment_report_module): Pass align to consider_notes. 315 * core-file.c (dwfl_core_file_report): Check p_align to set ELF 316 type. 317 * linux-kernel-modules.c (check_notes): Check name and type of note 318 to determine padding. 319 3202018-10-19 Mark Wielaard <mark@klomp.org> 321 322 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero. 323 3242018-10-14 Mark Wielaard <mark@klomp.org> 325 326 * dwfl_segment_report_module.c (read_portion): Check requested 327 filesz isn't larger than buffer_available. 328 (dwfl_segment_report_module): Check data_size vs filesz after 329 read_portion call. 330 3312018-10-02 Andreas Schwab <schwab@suse.de> 332 333 * relocate.c (relocate): Handle ADD/SUB relocations. 334 3352018-09-13 Mark Wielaard <mark@klomp.org> 336 337 * dwfl_segment_report_module.c (dwfl_segment_report_module): 338 Document why we use e_shnum directly. 339 * elf-from-memory.c (elf_from_remote_memory): Likewise. 340 3412018-07-17 Ulf Hermann <ulf.hermann@qt.io> 342 343 * linux-pid-attach.c: Include sys/uio.h only on linux. 344 3452018-06-04 Mark Wielaard <mark@klomp.org> 346 347 * libdwflP.h (__libdwfl_addrsym): Remove function declaration. 348 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function. 349 3502018-05-27 Mark Wielaard <mark@klomp.org> 351 352 * relocate.c (__libdwfl_relocate): Always call relocate_section with 353 partial true. 354 3552018-05-17 Mark Wielaard <mark@klomp.org> 356 357 * dwfl_module (__libdwfl_module_free): Free elfdir. 358 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after 359 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the 360 main module file and we recorded the elfdir. 361 * libdwflP.h (struct Dwfl_Module): Add elfdir field. 362 * offline.c (process_elf): Record the elfdir before we close the 363 main ELF file descriptor. 364 3652018-04-10 Mark Wielaard <mark@klomp.org> 366 367 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for 368 the return address either set an error or mark the pc undefined. 369 3702018-03-17 Mark Wielaard <mark@klomp.org> 371 372 * libdwflP.h (struct __libdwfl_remote_mem_cache): New. 373 (struct __libdwfl_pid_arg): Add mem_cache field. 374 * linux-pid-attach.c (read_cached_memory): New function. 375 (clear_cached_memory): Likewise. 376 (pid_memory_read): Call read_cached_memory. 377 (pid_detach): Free mem_cache. 378 (pid_thread_detach): Call clear_cached_memory. 379 (dwfl_linux_proc_attach): Initialize mem_cache to NULL. 380 3812018-03-05 Mark Wielaard <mark@klomp.org> 382 383 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use 384 realpath (name, NULL) instead of canonicalize_file_name (name). 385 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise. 386 3872018-01-29 Mark Wielaard <mark@klomp.org> 388 389 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of 390 DIE_OFFSET_FROM_CU_OFFSET. 391 (intern_cu): Simply use a copy of the given die CU as key instead of 392 trying to construct a dummy one by hand. 393 3942018-02-15 Mark Wielaard <mark@klomp.org> 395 396 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h. 397 3982018-02-09 Joshua Watt <JPEWhacker@gmail.com> 399 400 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH 401 macro instead of comment. 402 * frame_unwind.c (expr_eval): Likewise. 403 4042017-11-20 Mark Wielaard <mark@klomp.org> 405 406 * link_map.c (do_check64): Take a char * and calculate type and val 407 offsets before reading, possibly unaligned, values. 408 (do_check32): Likewise. 409 (check64): Remove define. 410 (check32): Likewise. 411 (auxv_format_probe): Call do_check32 and do_check64 directly with 412 a, possibly unaligned, auxv entry pointer. 413 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a 414 possibly unaligned auxv entry pointer. 415 4162017-10-16 Mark Wielaard <mark@klomp.org> 417 418 * argp-std.c (parse_opt): For -k call argp_failure not failure to 419 keep dwfl around. 420 4212017-07-26 Yunlian Jiang <yunlian@google.com> 422 423 * argp-std.c (failure): Move to file scope. 424 (fail): Likewise. 425 4262017-04-20 Ulf Hermann <ulf.hermann@qt.io> 427 Mark Wielaard <mark@klomp.org> 428 429 * derelocate.c (compare_secrefs): Compare by end address and then by 430 section number if addresses are equal. 431 4322017-04-20 Ulf Hermann <ulf.hermann@qt.io> 433 Mark Wielaard <mark@klomp.org> 434 435 * linux-kernel-modules.c: Always return NULL from kernel_release() on 436 non-linux systems and set errno to ENOTSUP. 437 4382017-04-20 Ulf Hermann <ulf.hermann@qt.io> 439 440 * libdwflP.h: Don't include config.h. 441 * argp-std.c: Include config.h. 442 * cu.c: Likewise. 443 * derelocate.c: Likewise. 444 * dwfl_addrdie.c: Likewise. 445 * dwfl_addrdwarf.c: Likewise. 446 * dwfl_addrmodule.c: Likewise. 447 * dwfl_begin.c: Likewise. 448 * dwfl_build_id_find_debuginfo.c: Likewise. 449 * dwfl_build_id_find_elf.c: Likewise. 450 * dwfl_cumodule.c: Likewise. 451 * dwfl_dwarf_line.c: Likewise. 452 * dwfl_end.c: Likewise. 453 * dwfl_frame.c: Likewise. 454 * dwfl_frame_regs.c: Likewise. 455 * dwfl_getdwarf.c: Likewise. 456 * dwfl_getmodules.c: Likewise. 457 * dwfl_getsrc.c: Likewise. 458 * dwfl_getsrclines.c: Likewise. 459 * dwfl_line_comp_dir.c: Likewise. 460 * dwfl_linecu.c: Likewise. 461 * dwfl_lineinfo.c: Likewise. 462 * dwfl_linemodule.c: Likewise. 463 * dwfl_module.c: Likewise. 464 * dwfl_module_addrdie.c: Likewise. 465 * dwfl_module_addrname.c: Likewise. 466 * dwfl_module_addrsym.c: Likewise. 467 * dwfl_module_build_id.c: Likewise. 468 * dwfl_module_dwarf_cfi.c: Likewise. 469 * dwfl_module_eh_cfi.c: Likewise. 470 * dwfl_module_getdarf.c: Likewise. 471 * dwfl_module_getelf.c: Likewise. 472 * dwfl_module_getsrc.c: Likewise. 473 * dwfl_module_getsrc_file.c: Likewise. 474 * dwfl_module_getsym.c: Likewise. 475 * dwfl_module_info.c: Likewise. 476 * dwfl_module_nextcu.c: Likewise. 477 * dwfl_module_register_names.c: Likewise. 478 * dwfl_module_report_build_id.c: Likewise. 479 * dwfl_module_return_value_location.c: Likewise. 480 * dwfl_nextcu.c: Likewise. 481 * dwfl_onesrcline.c: Likewise. 482 * dwfl_report_elf.c: Likewise. 483 * dwfl_validate_address.c: Likewise. 484 * dwfl_version.c: Likewise. 485 * find-debuginfo.c: Likewise. 486 * gzip.c: Likewise. 487 * image-header.c: Likewise. 488 * lines.c: Likewise. 489 * linux-core-attach.c: Likewise. 490 * linux-pid-attach.c: Likewise. 491 * offline.c: Likewise. 492 * open.c: Likewise. 493 * relocate.c: Likewise. 494 * segment.c: Likewise. 495 4962017-04-20 Ulf Hermann <ulf.hermann@qt.io> 497 498 * libdwfl.h: Use __const_attribute__. 499 5002017-04-20 Ulf Hermann <ulf.hermann@qt.io> 501 502 * elf-from-memory.c: Explicitly cast phnum to size_t. 503 5042017-04-20 Ulf Hermann <ulf.hermann@qt.io> 505 506 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from 507 it. 508 5092017-04-20 Ulf Hermann <ulf.hermann@qt.io> 510 511 * dwfl_frame.c: Drop unused sys/ptrace.h include. 512 * frame_unwind.c: Likewise. 513 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on 514 linux. 515 5162017-04-20 Ulf Hermann <ulf.hermann@qt.io> 517 518 * linux-kernel-modules.c: Include sys/types.h before fts.h 519 5202017-03-24 Mark Wielaard <mark@klomp.org> 521 522 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then 523 the note name data is the empty string. 524 (dwfl_core_file_attach): Likewise. 525 5262017-02-15 Ulf Hermann <ulf.hermann@qt.io> 527 528 * linux-kernel-modules.c: Include system.h. 529 5302017-02-15 Ulf Hermann <ulf.hermann@qt.io> 531 532 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size. 533 * linux-proc-maps.c: Likewise. 534 5352016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com> 536 537 * dwfl_build_id_find_elf.c: Include system.h. 538 * dwfl_module_getdwarf.c: Likewise. 539 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H. 540 5412016-11-23 Mark Wielaard <mjw@redhat.com> 542 543 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is 544 defined. 545 5462016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> 547 548 * core-file.c: Remove sys/param.h. 549 * dwfl_segment_report_module.c: Likewise. Add system.h include. 550 (MAX): Remove definition. 551 * frame_unwind.c: Add system.h include. 552 (MAX): Remove definition. 553 * linux-core-attach.c (MIN): Remove definition. 554 * linux-pid-attach.c (MAX): Likewise. 555 5562016-08-12 Mark Wielaard <mjw@redhat.com> 557 558 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size. 559 5602016-04-14 Mark Wielaard <mjw@redhat.com> 561 562 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match 563 on invalid DWARF if we allocated it. 564 5652016-04-14 Mark Wielaard <mjw@redhat.com> 566 567 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file 568 mapping. 569 5702016-03-01 Steven Chamberlain <steven@pyro.eu.org> 571 572 * linux-pid-attach.c: Removed unused pid_thread_callbacks, 573 pid_thread_detach, pid_detach, pid_set_initial_registers, 574 pid_memory_read, pid_getthread, pid_next_thread in #ifndef 575 __linux__ code. 576 5772016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> 578 Mark Wielaard <mjw@redhat.com> 579 580 * find-debuginfo.c (find_debuginfo_in_path): Remember whether 581 debuglink_file is NULL. Try file basename (without .debug) ofr 582 absolute and relative path if debug_file was NULL. 583 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call 584 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with 585 basename of fname. 586 5872016-02-13 Mark Wielaard <mjw@redhat.com> 588 589 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC. 590 5912016-02-13 Mark Wielaard <mjw@redhat.com> 592 593 * frame_unwind.c (new_unwound): Check and return unwound. 594 (handle_cfi): Check new_unwound was able to allocate new memory 595 before use. Return DWFL_E_NOMEM otherwise. 596 5972016-02-11 Mark Wielaard <mjw@redhat.com> 598 599 * relocate.c (relocate_section): Check result of all gelf_get* calls. 600 (__libdwfl_relocate): Likewise. 601 (__libdwfl_relocate_section): Likewise. 602 6032016-02-11 Mark Wielaard <mjw@redhat.com> 604 605 * relocate.c (relocate_section): Check result of gelf_update_* calls. 606 6072016-01-08 Mark Wielaard <mjw@redhat.com> 608 609 * libdwfl_a_SOURCES: Unconditionally add gzip.c. 610 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least 611 .gz support. 612 (try_kernel_name): Likewise. 613 (check_suffix): Likewise. 614 * open.c (decompress): Likewise. 615 6162015-12-18 Mark Wielaard <mjw@redhat.com> 617 618 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym 619 sections and aux_str, aux_xndx and aux_sym sections if necessary. 620 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx 621 if necessary. 622 (resolve_symbol): Uncompress strtab section if necessary. 623 (relocate_section): Uncompress the section the relocations apply to 624 if necessary. 625 6262015-11-18 Chih-Hung Hsieh <chh@google.com> 627 628 * linux-proc-maps.c (proc_maps_report): Move nested function 629 'report' to file scope. 630 6312015-11-18 Chih-Hung Hsieh <chh@google.com> 632 633 * core-file.c (elf_begin_rand): Move nested function 'fail' to file 634 scope. 635 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions 636 'update_end' and 'more' to file scope. 637 6382015-11-17 Chih-Hung Hsieh <chh@google.com> 639 640 * link_map.c (auxv_format_probe): Move nested functions 641 check64 and check32 to file scope. 642 6432015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com> 644 645 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to 646 the value of the return address register as defined by the CFI 647 abi. 648 * frame_unwind.c (handle_cfi): Likewise. 649 6502015-12-01 Mark Wielaard <mjw@redhat.com> 651 652 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes 653 from exec or memory_callback, free as appropriate. 654 6552015-12-01 Mark Wielaard <mjw@redhat.com> 656 657 * libdwflP.h (struct Dwfl_User_Core): New. 658 (struct DWfl): Replace executable_for_core with user_core. 659 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core. 660 * core-file.c (dwfl_core_file_report): Check and store 661 executable_for_core in Dwfl user_core. 662 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use 663 executable_for_core in Dwfl user_core. 664 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core. 665 * link-map.c (report_r_debug): Check executable_for_core in Dwfl 666 user_core. 667 (dwfl_link_map_report): Likewise. 668 6692015-11-16 Chih-Hung Hsieh <chh@google.com> 670 671 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested 672 function 'consider_shdr' to file scope. 673 * dwfl_module_getdwarf.c (find_dynsym): Move nested function 674 'translate_offs' to file scope. 675 6762015-11-16 Chih-Hung Hsieh <chh@google.com> 677 678 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions 679 'same_section', 'binding_value', 'try_sym_value', and 'search_table' 680 to file scope. 681 6822015-11-19 Mark Wielaard <mjw@redhat.com> 683 684 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from 685 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and 686 dwarf_cfi_end. 687 6882015-11-13 Chih-Hung Hsieh <chh@google.com> 689 690 * gzip.c (unzip): Move nested functions to file scope. 691 6922015-10-21 Chih-Hung Hsieh <chh@google.com> 693 Mark Wielaard <mjw@redhat.com> 694 695 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested 696 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to 697 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't 698 use INTUSE. 699 7002015-10-21 Chih-Hung Hsieh <chh@google.com> 701 702 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop' 703 to file scope. Pass used local variables in struct eval_stack. 704 7052015-10-21 Chih-Hung Hsieh <chh@google.com> 706 707 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to 708 file scope. 709 7102015-10-09 Josh Stone <jistone@redhat.com> 711 712 * core-file.c (elf_begin_rand): Replace loff_t with off_t. 713 * open.c (decompress): Replace off64_t with off_t. 714 * gzip.c (unzip): Likewise. 715 * image-header.c (__libdw_image_header): Likewise. 716 * libdwflP.h: Likewise in function declarations. 717 * argp-std.c (parse_opt): Replace open64 with open. 718 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id, 719 dwfl_build_id_find_elf): Likewise. 720 * dwfl_module_getdwarf.c (open_elf_file): Likewise. 721 * dwfl_report_elf.c (dwfl_report_elf): Likewise. 722 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 723 * link_map.c (report_r_debug): Likewise. 724 * offline.c (dwfl_report_offline): Likewise. 725 * linux-proc-maps.c (grovel_auxv, get_pid_class, 726 dwfl_linux_proc_find_elf): Likewise. 727 (read_proc_memory): Replace off64_t with off_t. 728 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and 729 fstat64 with stat and fstat. 730 (try_open): Likewise, and replace open64 with open. 731 * linux-kernel-modules.c: Manually define open and fopen to open64 and 732 fopen64 when needed, since the early fts.h include breaks that. 733 (try_kernel_name): Replace open64 with open. 734 (check_notes): Likewise. 735 7362015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com> 737 738 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of 739 pread, as the later doesn't accept negative offsets. 740 7412015-10-07 Mark Wielaard <mjw@redhat.com> 742 743 * dwfl_module_getdwarf.c (MAX): Removed. 744 (find_prelink_address_sync): Allocate exact amount of bytes for 745 phdrs and shdrs. 746 * dwfl_segment_report_module.c (dwfl_segment_report_module): 747 Likewise for phdrs. 748 * elf-from-memory.c (MAX): Removed. 749 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs. 750 7512015-10-05 Chih-Hung Hsieh <chh@google.com> 752 753 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use 754 union of variable length arrays. 755 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 756 * elf-from-memory.c (elf_from_remote_memory): Likewise. 757 * link_map.c (auxv_format_probe): Likewise. 758 * link_map.c (report_r_debug): Likewise. 759 * link_map.c (dwfl_link_map_report): Likewise. 760 7612015-09-18 Chih-Hung Hsieh <chh@google.com> 762 763 * relocate.c (relocate_section): Move nested function "relocate" 764 to file scope, pass all used local variables as constants. 765 Move nested "check_badreltype" to file scope, pass addresses of 766 updated used local variables. 767 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function 768 "read_address" to file scope, pass all updated local variables in 769 a state structure. 770 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested 771 function "subst_name" to file scope, pass all used local variables 772 as constants. 773 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace 774 simple nested function "report" with a macro. Work around gcc static 775 analysis error -Werror=maybe-uninitialized. 776 7772015-09-22 Mark Wielaard <mjw@redhat.com> 778 779 * core-file.c: Remove old-style function definitions. 780 * dwfl_error.c: Likewise. 781 * dwfl_module_dwarf_cfi.c: Likewise. 782 * dwfl_module_eh_cfi.c: Likewise. 783 * dwfl_module_register_names.c: Likewise. 784 * dwfl_module_return_value_location.c: Likewise. 785 * dwfl_version.c: Likewise. 786 7872015-09-09 Chih-Hung Hsieh <chh@google.com> 788 Mark Wielaard <mjw@redhat.com> 789 790 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests 791 on parameters declared with __nonnull_attribute__. 792 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as 793 nonnull. 794 7952015-09-08 Mark Wielaard <mjw@redhat.com> 796 797 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd. 798 * linux-pid-attach.c (pid_detach): Call elf_end and close. 799 (dwfl_linux_proc_attach): Open and save /proc/PID/exe. 800 8012015-09-04 Chih-Hung Hsieh <chh@google.com 802 803 * frame_unwind.c (expr_eval): Use llabs instead of abs. 804 8052015-08-14 Dodji Seketeli <dodji@seketeli.org> 806 807 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the 808 debug info file named debuglink_file under 809 mod->dwfl->callbacks->debuginfo_path, by looking at 810 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path 811 which is common to the set of non-absolute parent trees of 812 file_name. 813 8142015-06-18 Mark Wielaard <mjw@redhat.com> 815 816 * find-debuginfo.c (try_open): Free fname on all failure paths. 817 8182015-06-18 Mark Wielaard <mjw@redhat.com> 819 820 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and 821 sh_entsize is not zero. 822 8232015-06-06 Mark Wielaard <mjw@redhat.com> 824 825 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath, 826 localname and file_dirname. 827 8282015-06-06 Mark Wielaard <mjw@redhat.com> 829 830 * derelocate.c (cache_sections): Free sortrefs. 831 8322015-06-05 Mark Wielaard <mjw@redhat.com> 833 834 * dwfl_segment_report_module.c (dwfl_segment_report_module): 835 If the note_file exists, but the build_id doesn't match discard 836 the file and continue reporting. 837 8382015-06-01 Mark Wielaard <mjw@redhat.com> 839 840 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path 841 pointer before passing to strsep. 842 8432015-05-30 Mark Wielaard <mjw@redhat.com> 844 845 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read 846 type and value. 847 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read 848 addresses. 849 8502015-05-30 Mark Wielaard <mjw@redhat.com> 851 852 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is 853 not NULL before calling canonicalize_file_name. 854 8552015-05-24 Mark Wielaard <mjw@redhat.com> 856 857 * derelocate.c (check_module): Check mod is not NULL. 858 8592015-05-22 Mark Wielaard <mjw@redhat.com> 860 861 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with 862 malloc instead of stack allocating. Call free when done with data. 863 8642015-05-22 Mark Wielaard <mjw@redhat.com> 865 866 * dwfl_segment_report_module.c (dwfl_segment_report_module): 867 Allocate phdrs with malloc, not on stack. free in finish. 868 Allocate dyn with malloc, not on stack, free after use. 869 8702015-05-22 Mark Wielaard <mjw@redhat.com> 871 872 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup, 873 instead of alloca or strdupa, local strings of unknown size. 874 Call free before return. 875 8762015-05-22 Mark Wielaard <mjw@redhat.com> 877 878 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return 879 error when id_len too small or too large. strdup, not strdupa, 880 and free path when done. 881 8822015-05-19 Mark Wielaard <mjw@redhat.com> 883 884 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all 885 phdrs on the stack. Allocate with malloc and free when done. 886 8872015-05-19 Mark Wielaard <mjw@redhat.com> 888 889 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and 890 free alternate_name. 891 8922015-05-19 Mark Wielaard <mjw@redhat.com> 893 894 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't 895 stack allocate name. Only change chars up to suffix. 896 8972015-05-18 Mark Wielaard <mjw@redhat.com> 898 899 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate 900 phdrs and shdrs unions with malloc, not alloca. Free after use. 901 9022015-05-18 Mark Wielaard <mjw@redhat.com> 903 904 * derelocate.c (cache_sections): Allocate temporary newrefs and 905 sortrefs with malloc, not alloca. Always free them on return. 906 9072015-05-07 Mark Wielaard <mjw@redhat.com> 908 909 * cu.c (intern_cu): Check for EOF and check cuoff points to a real 910 Dwarf_Die before interning. Explicitly check EOF is expected. 911 9122015-05-05 Mark Wielaard <mjw@redhat.com> 913 914 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid. 915 9162015-05-06 Roland McGrath <roland@hack.frob.com> 917 918 * dwfl_error.c (struct msgtable): Break type definition out of 919 the 'msgtable' initializer. 920 (msgtable): Make it a union of struct msgtable and a char array. 921 (msgstr): Use the full-table char array rather than the msg_0 entry. 922 9232015-04-23 Max Filippov <jcmvbkbc@gmail.com> 924 925 * core-file.c (_compat_without_executable_dwfl_core_file_report): 926 Guard with SYMBOL_VERSIONING. 927 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id): 928 Likewise. 929 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf): 930 Likewise. 931 9322015-04-02 Mark Wielaard <mjw@redhat.com> 933 934 * segment.c (insert): Check correct number of lookup_elts. 935 9362015-03-31 Mark Wielaard <mjw@redhat.com> 937 938 * core-file.c (core_file_read_eagerly): Special case small images. 939 9402015-01-26 Mark Wielaard <mjw@redhat.com> 941 942 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata, 943 syments and first_global on elferr before calling find_dynsym. 944 9452014-12-27 Mark Wielaard <mjw@redhat.com> 946 947 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that 948 has end_sequence set. 949 9502015-01-04 Mark Wielaard <mjw@redhat.com> 951 952 * cu.c (intern_cu): Store result and return directly when finding 953 EOF marker. 954 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1. 955 9562014-12-19 Mark Wielaard <mjw@redhat.com> 957 958 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last. 959 9602014-12-19 Mark Wielaard <mjw@redhat.com> 961 962 * elf-from-memory.c (handle_segment): Remove palign sanity check. 963 9642014-12-18 Mark Wielaard <mjw@redhat.com> 965 966 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL. 967 9682014-12-13 Mark Wielaard <mjw@redhat.com> 969 970 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes 971 a size_t, make sure it doesn't overflow. 972 9732014-12-13 Mark Wielaard <mjw@redhat.com> 974 975 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't 976 wrap around before returning as int. 977 9782014-12-11 Josh Stone <jistone@redhat.com> 979 980 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line 981 record <= addr, rather than returning immediately on matches. 982 9832014-12-09 Mark Wielaard <mjw@redhat.com> 984 985 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't 986 overflow. 987 9882014-12-07 Mark Wielaard <mjw@redhat.com> 989 990 * relocate.c (relocate_section): Sanity check section overlap against 991 actually used ehsize, shentsize and phentsize. 992 9932014-12-07 Mark Wielaard <mjw@redhat.com> 994 995 * offline.c (dwfl_offline_section_address): Assert shndx is not zero. 996 * relocate.c (__libdwfl_relocate_value): Don't relocate against 997 section zero. 998 9992014-11-29 Mark Wielaard <mjw@redhat.com> 1000 1001 * relocate.c (relocate_section): Check relocation section and target 1002 section data don't overlap any of the ELF headers. 1003 (relocate): Check for offset + size overflow. 1004 10052014-11-22 Mark Wielaard <mjw@redhat.com> 1006 1007 * link_map.c (consider_executable): Use elf_getphdrnum. 1008 (dwfl_link_map_report): Likewise. 1009 10102014-11-18 Mark Wielaard <mjw@redhat.com> 1011 1012 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer, 1013 number of symbols and first_global before use. 1014 10152014-11-14 Mark Wielaard <mjw@redhat.com> 1016 1017 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have 1018 a zero sh_entsize. 1019 10202014-11-10 Mark Wielaard <mjw@redhat.com> 1021 1022 * dwfl_module_getdwarf.c (find_dynsym): New inner function 1023 translate_offs that takes an adjust argument. Try finding 1024 the symbol table with and without adjusting to main_bias. 1025 10262014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com> 1027 1028 Support NT_FILE for locating files. 1029 * core-file.c (dwfl_core_file_report): New variables note_file and 1030 note_file_size, set them and pass them to dwfl_segment_report_module. 1031 * dwfl_segment_report_module.c: Include common.h and fcntl.h. 1032 (buf_has_data, buf_read_ulong, handle_file_note): New functions. 1033 (invalid_elf): New function from code of dwfl_segment_report_module. 1034 (dwfl_segment_report_module): Add parameters note_file and 1035 note_file_size. New variables elf and fd, clean them up in finish. 1036 Move some code to invalid_elf. Call handle_file_note, if it found 1037 a name verify the file by invalid_elf. Protect elf and fd against 1038 cleanup by finish if we found the file for new Dwfl_Module. 1039 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and 1040 note_file_size. 1041 10422014-09-23 Mark Wielaard <mjw@redhat.com> 1043 1044 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1045 Extract ei_class, ei_data and e_type early and use the result. 1046 10472014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1048 1049 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE. 1050 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set 1051 IS_EXECUTABLE. 1052 * libdwflP.h (struct Dwfl_Module): New field is_executable. 1053 10542014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com> 1055 1056 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use 1057 it. 1058 (find_dynsym): Pass the new parameter main_bias. 1059 10602014-08-14 Mark Wielaard <mjw@redhat.com> 1061 1062 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz. 1063 10642014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com> 1065 1066 Fix report_r_debug for prelinked libraries. 1067 * link_map.c (report_r_debug): Comment out variable l_addr. 1068 Use instead new variable base recalculated from l_ld. 1069 10702014-06-24 Kurt Roeckx <kurt@roeckx.be> 1071 1072 * linux-pid-attach.c: Make it build on non linux hosts. 1073 10742014-06-17 Mark Wielaard <mjw@redhat.com> 1075 1076 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask. 1077 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise. 1078 10792014-06-15 Mark Wielaard <mjw@redhat.com> 1080 1081 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h 1082 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt 1083 to read possibly unaligned data. 1084 (core_next_thread): Likewise. 1085 (core_set_initial_registers): Likewise. 1086 (dwfl_core_file_attach): Likewise. 1087 10882014-06-11 Mark Wielaard <mjw@redhat.com> 1089 1090 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr. 1091 (dwfl_attach_state): Set dwfl->attacherr. 1092 (dwfl_pid): Check and return dwfl->attacherr if set. 1093 (dwfl_getthreads): Likewise. 1094 (getthread): Likewise. 1095 * libdwflP.h: Add DWFL_E_NO_CORE_FILE. 1096 (struct Dwfl): Add attacherr field. 1097 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr. 1098 Don't assert if ELF file is not ET_CORE, just return error. 1099 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr. 1100 11012014-06-10 Mark Wielaard <mjw@redhat.com> 1102 1103 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach 1104 or dwfl_linux_proc_attach. 1105 11062014-05-15 Mark Wielaard <mjw@redhat.com> 1107 1108 * linux-proc-maps.c (grovel_auxv): Close fd on error. 1109 11102014-05-02 Mark Wielaard <mjw@redhat.com> 1111 1112 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink 1113 is always called. 1114 11152014-05-01 Mark Wielaard <mjw@redhat.com> 1116 1117 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields. 1118 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id. 1119 (__libdwfl_open_by_build_id): New declaration that takes an explicit 1120 build-id. 1121 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If 1122 we already have the Dwarf then look for the alt dwz multi file by 1123 build-id. 1124 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the 1125 build-id we are looking for as argument. 1126 (__libdwfl_open_mod_by_build_id): New function, calls 1127 __libdwfl_open_by_build_id. 1128 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id. 1129 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and 1130 close alt_fd if necessary. 1131 * dwfl_module_getdwarf.c (__check_build_id): Removed. 1132 (try_debugaltlink): Removed. 1133 (open_debugaltlink): Removed. 1134 (open_elf_file): First half of open_elf that just opens the elf 1135 file but doesn't setup the load address. 1136 (open_elf): Call open_elf_file. 1137 (find_debug_altlink): New function. 1138 (load_dw): Remove loading of dwz multifile. 1139 (find_dw): Call find_debug_altlink. 1140 * find-debuginfo.c (validate): Handle alt debug case using 1141 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf. 1142 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz 1143 subdirs. 1144 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name 1145 to store name to find by dwfl_standard_find_debuginfo instead of 1146 allocating an extra variable on stack. 1147 11482014-04-30 Mark Wielaard <mjw@redhat.com> 1149 1150 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to 1151 dwelf_elf_gnu_build_id.c. 1152 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL. 1153 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call 1154 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id. 1155 * dwfl_module_getdwarf.c (__check_build_id): Implement using 1156 dwelf_elf_gnu_build_id. 1157 11582014-04-15 Florian Weimer <fweimer@redhat.com> 1159 1160 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw. 1161 (try_debugaltlink): Likewise. 1162 (open_debugaltlink): Likewise. 1163 (load_dw): Locate alternate debug information using 1164 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink. 1165 11662014-04-11 Mark Wielaard <mjw@redhat.com> 1167 1168 * Makefile.am (AM_CPPFLAGS): Add libdwelf. 1169 * libdwflP.h: Include libdwelfP.h. 1170 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf. 1171 (find_debuginfo): Use dwelf_elf_gnu_debuglink. 1172 11732014-04-22 Mark Wielaard <mjw@redhat.com> 1174 1175 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when 1176 checking bits. 1177 (__libdwfl_frame_reg_set): Likewise. 1178 11792014-04-22 Kurt Roeckx <kurt@roeckx.be> 1180 1181 * linux-pid-attach.c: Make linux only. 1182 11832014-03-14 Mark Wielaard <mjw@redhat.com> 1184 1185 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions. 1186 Remove libelf and libdw definitions when MUDFLAP is defined. 1187 * argp-std.c (__libdwfl_argp_mudflap_options): Removed. 1188 11892014-03-03 Mark Wielaard <mjw@redhat.com> 1190 1191 * elf-from-memory.c (elf_from_remote_memory): Keep track of 1192 segments_end_mem. Pass memsz to first handle_segment pass. Only 1193 extend contents_size and use shdrs if only file bits are in 1194 segment. 1195 11962014-03-11 Josh Stone <jistone@redhat.com> 1197 1198 * dwfl_module_getdwarf.c (open_elf): Only explicitly set 1199 mod->e_type when processing the main ELF file. 1200 12012014-03-04 Mark Wielaard <mjw@redhat.com> 1202 1203 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from 1204 linux-pid-attach.c (struct pid_arg). 1205 (__libdwfl_get_pid_arg): New internal function declaration. 1206 (__libdwfl_ptrace_attach): Likewise. 1207 (__libdwfl_ptrace_detach): Likewise. 1208 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the 1209 special exception modules that cannot be checked at this point. 1210 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h 1211 (ptrace_attach): Renamed to... 1212 (__libdwfl_ptrace_attach): New internal function. 1213 (__libdwfl_ptrace_detach): Likewise. Extracted from ... 1214 (pid_thread_detach): Call __libdwfl_ptrace_detach now. 1215 (__libdwfl_get_pid_arg): New internal function. 1216 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special 1217 module name contains "(deleted)" and dwfl_pid gives an attached 1218 pid. If pid is set and try to (re)use ptrace attach state of 1219 process before reading memory. 1220 12212014-03-03 Mark Wielaard <mjw@redhat.com> 1222 1223 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as 1224 argument. Free buffer when detecting bad elf. Check PT_LOAD 1225 alignment requirements on first handle_segment pass. Calculate 1226 loadbase, start and end of segment using pagesize, not p_align. 1227 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize 1228 to elf_from_remote_memory. 1229 12302014-02-26 Mark Wielaard <mjw@redhat.com> 1231 1232 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input. 1233 12342014-02-26 Mark Wielaard <mjw@redhat.com> 1235 1236 * elf-from-memory.c (elf_from_remote_memory): Check against p64 1237 p_type in case ELFCLASS64, not against p32 p_type. 1238 12392014-01-17 Petr Machata <pmachata@redhat.com> 1240 1241 * relocate.c (relocate_section): Use gelf_fsize instead of relying 1242 on shdr->sh_entsize. 1243 12442014-01-05 Mark Wielaard <mjw@redhat.com> 1245 1246 * frame_unwind.c (handle_cfi): Only skip resetting return register 1247 if the regno is not the actual CIE return address register. 1248 12492014-01-02 Mark Wielaard <mjw@redhat.com> 1250 1251 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi. 1252 12532013-12-30 Mark Wielaard <mjw@redhat.com> 1254 1255 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and 1256 dwfl_core_file_attach explicitly. 1257 * core-file.c (dwfl_core_file_report): Don't call 1258 __libdwfl_attach_state_for_core implicitly. 1259 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error. 1260 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not 1261 process_attach_error. 1262 (dwfl_getthreads): Likewise. 1263 (getthread): Likewise. 1264 * libdwfl.h (dwfl_core_file_report): Update documentation. 1265 (dwfl_linux_proc_report): Likewise. 1266 (dwfl_core_file_attach): New function declaration. 1267 (dwfl_linux_proc_attach): Likewise. 1268 * libdwflP.h (struct Dwfl): Remove process_attach_error. 1269 (__libdwfl_attach_state_for_pid): Removed declaration. 1270 (__libdwfl_attach_state_for_core): Likewise. 1271 (dwfl_core_file_attach): New internal declaration. 1272 (dwfl_linux_proc_attach): Likewise. 1273 (attach_state_for_core): Renamed to... 1274 (dwfl_core_file_attach): ...this. Change return type. 1275 (__libdwfl_attach_state_for_core): Removed. 1276 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped. 1277 (pid_set_initial_registers): Check assume_ptrace_stopped before 1278 calling ptrace. 1279 (pid_thread_detach): Likewise. 1280 (__libdwfl_attach_state_for_pid): Renamed to... 1281 (dwfl_linux_proc_attach): ...this. Adjust return type. 1282 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call 1283 __libdwfl_attach_state_for_pid implicitly. 1284 12852013-12-28 Mark Wielaard <mjw@redhat.com> 1286 1287 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special 1288 character device files, only regular files. 1289 12902013-12-24 Mark Wielaard <mjw@redhat.com> 1291 1292 * linux-core-attach.c (core_next_thread): Check whether thread_argp 1293 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg 1294 in that case. Free thread_arg if there are no more threads. 1295 12962013-12-23 Mark Wielaard <mjw@redhat.com> 1297 1298 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free 1299 build_id before returning early. 1300 13012013-12-23 Mark Wielaard <mjw@redhat.com> 1302 1303 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual 1304 pid (thread group leader) to dwfl_attach_state. 1305 13062013-12-21 Mark Wielaard <mjw@redhat.com> 1307 1308 * frame_unwind.c (handle_cfi): Track whether the return register 1309 has been set and only allow it to be set once. 1310 13112013-12-20 Mark Wielaard <mjw@redhat.com> 1312 1313 * dwfl_frame.c (one_arg): New struct. 1314 (get_one_thread_cb): New function. 1315 (dwfl_getthread): Likewise. 1316 (one_thread): New struct. 1317 (get_one_thread_frames_cb): New function. 1318 (dwfl_getthread_frames): Likewise. 1319 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function. 1320 (dwfl_getthread_frames): Likewise. 1321 * libdwflP.h (dwfl_getthread_frames): New internal function declaration. 1322 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread 1323 to NULL. 1324 * linux-pid-attach.c (pid_getthread): New function. 1325 (pid_thread_callbacks): Initialize get_thread to pid_getthread. 1326 13272013-12-20 Mark Wielaard <mjw@redhat.com> 1328 1329 * linux-kernel-modules.c (report_kernel_archive): Correct nested 1330 asprintf result check for debug.a. 1331 13322013-12-18 Mark Wielaard <mjw@redhat.com> 1333 1334 * derelocate.c (__libdwfl_find_section_ndx): New internal function. 1335 * dwfl_module_addrname.c (dwfl_module_addrname): Use 1336 dwfl_module_addrinfo. 1337 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with... 1338 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value 1339 for comparisons, not st_value. Fill in off. Search for both value 1340 and the (adjusted) sym.st_value when different. 1341 (dwfl_module_addrsym): Implement using __libdwfl_addrsym. 1342 (dwfl_module_addrinfo): New function. 1343 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with... 1344 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested 1345 and possible. Adjust sym->st_value only when requested. Fill in addr 1346 if available. 1347 (dwfl_module_getsym_info): New function. 1348 (dwfl_module_getsym): Use __libdwfl_getsym. 1349 * libdwfl.h (dwfl_module_getsym_elf): Removed. 1350 (dwfl_module_getsym_info): New function declaration. 1351 (dwfl_module_addrinfo): Likewise. 1352 (dwfl_module_addrsym): Add documentation describing differences 1353 with addrinfo variants. 1354 (dwfl_module_addrsym_elf): Removed. 1355 * libdwflP.h (__libdwfl_getsym): New internal function declaration. 1356 (__libdwfl_addrsym): Likewise. 1357 (__libdwfl_find_section_ndx): Likewise. 1358 (dwfl_module_addrinfo): New internal declaration. 1359 (dwfl_module_getsym_info): Likewise. 1360 (dwfl_module_addrsym_elf): Removed. 1361 (dwfl_module_getsym_elf): Likewise. 1362 13632013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1364 1365 * argp-std.c (offline_find_elf): Remove. 1366 (offline_callbacks): Use dwfl_build_id_find_elf instead. 1367 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code 1368 removed above. 1369 13702013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1371 1372 unwinder: s390 and s390x 1373 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc. 1374 * frame_unwind.c (new_unwound): New function from ... 1375 (handle_cfi): ... here. Call it. 1376 (setfunc, getfunc, readfunc): New functions. 1377 (__libdwfl_frame_unwind): Call ebl_unwind with those functions. 1378 * linux-core-attach.c (core_set_initial_registers): Always iterate 1379 through the Ebl_Register_Location loop. Call 1380 dwfl_thread_state_register_pc there. 1381 13822013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1383 1384 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA. 1385 13862013-12-17 Mark Wielaard <mjw@redhat.com> 1387 1388 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first 1389 traversal. 1390 13912013-12-16 Mark Wielaard <mjw@redhat.com> 1392 1393 * libdwfl.h (dwfl_module_getsymtab_first_global): New function 1394 definition. 1395 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New 1396 function. 1397 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal 1398 function definition. 1399 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function. 1400 14012013-12-14 Mark Wielaard <mjw@redhat.com> 1402 1403 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if 1404 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary. 1405 * frame_unwind.c (handle_cfi): Free frame result from 1406 dwarf_cfi_addrframe when done. 1407 14082013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com> 1409 1410 unwinder: ppc and ppc64 1411 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set): 1412 Call ebl_dwarf_to_regno. 1413 * linux-core-attach.c (core_set_initial_registers): Implement 1414 pc_register support. 1415 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement 1416 FIRSTREG -1. 1417 14182013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1419 1420 Introduce process_attach_error. 1421 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error. 1422 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if 1423 PROCESS is NULL. 1424 * libdwflP.h (struct Dwfl): New field process_attach_error. 1425 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ... 1426 (attach_state_for_core): ... here, make it static, change return type, 1427 no longer use __libdwfl_seterrno. 1428 (__libdwfl_attach_state_for_core): New wrapper for it. 1429 14302013-11-27 Mark Wielaard <mjw@redhat.com> 1431 1432 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call... 1433 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments, 1434 keep track of symelf, addr_symelf, closest_elf and sizeless_elf 1435 instead of tracking dwfl_files. 1436 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to... 1437 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add 1438 new elfp and biasp arguments. Track elf instead of file. 1439 (dwfl_module_getsym): Call dwfl_module_getsym_elf. 1440 dwfl_module_info.c (dwfl_module_info): Pass elf to 1441 dwfl_adjusted_st_value. 1442 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx. 1443 (dwfl_module_getsym_elf): New function declaration. 1444 (dwfl_module_addrsym_elf): Likewise. 1445 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL. 1446 (dwfl_module_getsym_elf): Likewise. 1447 (dwfl_adjusted_st_value): Take and check elf not dwfl_file. 1448 (dwfl_deadjust_st_value): Likewise. 1449 (__libdwfl_module_getsym): Removed. 1450 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value. 1451 14522013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1453 1454 Fix non-build-id core files on build-id system. 1455 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot 1456 be read from memory. 1457 14582013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1459 1460 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1461 variable close_elf. Call __libdwfl_find_elf_build_id and compare the 1462 content, if possible. 1463 14642013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1465 1466 link_map: Use proper bias, not l_addr. 1467 * core-file.c (dynamic_vaddr_get): Rename to ... 1468 (__libdwfl_dynamic_vaddr_get): ... here, make it global, 1469 internal_function. 1470 (dwfl_core_file_report): Update name in the caller. 1471 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration. 1472 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call 1473 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment. 1474 Use ELF_DYNAMIC_VADDR instead of L_ADDR. 1475 14762013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com> 1477 1478 Compatibility with older kernels such as RHEL-6. 1479 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped. 1480 (ptrace_attach): New parameter tid_was_stoppedp. Set it. 1481 (pid_set_initial_registers): Pass tid_was_stopped. 1482 (pid_thread_detach): Use tid_was_stopped. 1483 14842013-11-18 Josh Stone <jistone@redhat.com> 1485 1486 * dwfl_module_getdwarf.c (find_aux_address_sync): New function. 1487 (find_aux_sym): Use it. 1488 14892013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> 1490 1491 Code cleanup: Remove const in prototype 1492 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from 1493 firstreg. 1494 * libdwfl.h (dwfl_thread_state_registers): Likewise. 1495 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise. 1496 14972013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> 1498 1499 Fix dwfl_attach_state machine->elf. 1500 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf. 1501 Call ebl_openbackend instead of ebl_openbackend_machine. 1502 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf. 1503 Update the function description. 1504 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to 1505 dwfl_attach_state. 1506 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to 1507 dwfl_attach_state. 1508 15092013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com> 1510 1511 Provide __libdwfl_module_getsym to get dwfl_file *. 1512 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove. 1513 (dwfl_module_addrsym) (search_table): New variable file. Use 1514 __libdwfl_module_getsym. Use file. 1515 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ... 1516 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it. 1517 (dwfl_module_getsym): New wrapper. 1518 * libdwflP.h (__libdwfl_module_getsym): New declaration. 1519 15202013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com> 1521 1522 Fix dwfl_module_addrsym for minidebuginfo. 1523 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable 1524 addr_symfile. 1525 (dwfl_module_addrsym) (same_section): Use it. 1526 (dwfl_module_addrsym) (i_to_symfile): New function. 1527 (dwfl_module_addrsym) (search_table): Use it. 1528 15292013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1530 Mark Wielaard <mjw@redhat.com> 1531 1532 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c, 1533 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and 1534 dwfl_frame_regs.c. 1535 * core-file.c (dwfl_core_file_report): Call 1536 __libdwfl_attach_state_for_core. 1537 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free. 1538 * dwfl_frame.c: New file. 1539 * frame_unwind.c: New file. 1540 * dwfl_frame_pc.c: New file. 1541 * linux-pid-attach.c: New file. 1542 * linux-core-attach.c: New file. 1543 * dwfl_frame_regs.c: New file. 1544 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs. 1545 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments. 1546 (Dwfl_Thread_Callbacks): New definition. 1547 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl) 1548 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers) 1549 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 1550 (dwfl_frame_pc): New declarations. 1551 * libdwflP.h (Dwfl_Process): New typedef. 1552 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ) 1553 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF) 1554 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND) 1555 (INVALID_ARGUMENT): New DWFL_ERROR entries. 1556 (struct Dwfl): New entry process. 1557 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame) 1558 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set) 1559 (__libdwfl_process_free, __libdwfl_frame_unwind) 1560 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core) 1561 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations. 1562 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid) 1563 (dwfl_frame_thread, dwfl_thread_state_registers) 1564 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 1565 (dwfl_frame_pc): New INTDECL entries. 1566 * linux-proc-maps.c (dwfl_linux_proc_report): Call 1567 __libdwfl_attach_state_for_pid. 1568 * segment.c (segment_start): Rename to ... 1569 (__libdwfl_segment_start): ... here and make it internal_function. 1570 (segment_end): Rename to ... 1571 (__libdwfl_segment_end): ... here and make it internal_function. 1572 (reify_segments, dwfl_report_segment): Rename them at the callers. 1573 15742013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1575 1576 * core-file.c (dwfl_core_file_report): Remove the use of MAX. 1577 15782013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1579 1580 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by 1581 retval. Fix one forgotten LISTED increase. 1582 15832013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1584 1585 Fix core files for re-prelink-ed files. 1586 * core-file.c (dynamic_vaddr_get): New function. 1587 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call 1588 dynamic_vaddr_get instead of using L_ADDR. 1589 * libdwflP.h (struct r_debug_info_module): Remove field l_addr. 1590 * link_map.c (report_r_debug): Do not initialize l_addr. 1591 15922013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1593 1594 Code cleanup. 1595 * core-file.c (dwfl_core_file_report): Reindent block of code by 1596 continue keyword. 1597 15982013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1599 1600 * argp-std.c (parse_opt): Use executable parameter of 1601 dwfl_core_file_report. 1602 * core-file.c (dwfl_core_file_report): Add parameter executable. Set 1603 it to DWFL. Add NEW_VERSION for it. 1604 (_compat_without_executable_dwfl_core_file_report): New. Twice. 1605 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update 1606 the function comment. 1607 16082013-10-15 Mark Wielaard <mjw@redhat.com> 1609 1610 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file 1611 mappings. 1612 (dwfl_linux_proc_find_elf): Don't abort, just return failure. 1613 16142013-09-12 Mark Wielaard <mjw@redhat.com> 1615 1616 * cu.c (intern_cu): If dwarf_offdie fails free cu. 1617 16182013-09-12 Mark Wielaard <mjw@redhat.com> 1619 1620 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in 1621 bad_report. 1622 16232013-09-12 Mark Wielaard <mjw@redhat.com> 1624 1625 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with 1626 aux_xndxscn, not xndxscn, for aux_symxndxdata. 1627 16282013-08-25 Mark Wielaard <mjw@redhat.com> 1629 1630 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true 1631 to dwfl_report_elf. 1632 16332013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com> 1634 1635 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for 1636 conflicts all the modules, not just the first one. Compare L_LD if it 1637 is equal, not if it is in a module address range. 1638 16392013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> 1640 1641 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function. 1642 16432013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> 1644 1645 * core-file.c (clear_r_debug_info): Close also ELF and FD. 1646 (dwfl_core_file_report): Call __libdwfl_report_elf for 1647 R_DEBUG_INFO.MODULE. 1648 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from 1649 code of ... 1650 (__libdwfl_report_elf): ... this function. Call it. 1651 * dwfl_segment_report_module.c: Include unistd.h. 1652 (dwfl_segment_report_module): Use basename for MODULE->NAME. 1653 Clear MODULE if it has no build-id and we have segment with build-id. 1654 Ignore this segment only if MODULE still contains valid ELF. 1655 * libdwflP.h (__libdwfl_elf_address_range): New declaration. 1656 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end 1657 and disk_file_has_build_id. 1658 (dwfl_link_map_report): Extend the comment. 1659 * link_map.c (report_r_debug): Extend the comment. Always fill in new 1660 r_debug_info_module. Initialize also the new r_debug_info_module 1661 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range 1662 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL. 1663 16642013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com> 1665 1666 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function. 1667 16682013-07-02 Mark Wielaard <mjw@redhat.com> 1669 1670 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert. 1671 16722013-06-05 Mark Wielaard <mjw@redhat.com> 1673 1674 * link_map.c (report_r_debug): Always call release_buffer after 1675 memory_callback succeeded reading build_id. 1676 16772013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1678 1679 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set 1680 executable_for_core before calling dwfl_core_file_report. 1681 * core-file.c (clear_r_debug_info): New function. 1682 (dwfl_core_file_report): Move raw segments reporting lower. New 1683 variable r_debug_info, pass it to dwfl_segment_report_module. Call 1684 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED. 1685 * dwfl_module_build_id.c (check_notes): Move into 1686 __libdwfl_find_elf_build_id. 1687 (__libdwfl_find_build_id): Rename to ... 1688 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits, 1689 build_id_elfaddr and build_id_len. Verify MOD vs. ELF. 1690 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and 1691 set, rename data_vaddr to data_elfaddr. Do not call found_build_id. 1692 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not 1693 adjust its data_elfaddr parameter. 1694 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id. 1695 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1696 parameter r_debug_info. New variable name_is_final. Adjust addresses 1697 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL. 1698 Do not overwrite NAME by SONAME if NAME_IS_FINAL. 1699 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration. 1700 (struct r_debug_info_module, struct r_debug_info): New definitions. 1701 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter 1702 r_debug_info. 1703 * link_map.c: Include fcntl.h. 1704 (report_r_debug): Add parameter r_debug_info, describe it in the 1705 function comment. Delete dwfl_addrmodule call and its dependent code. 1706 Verify build-id before calling dwfl_report_elf, also supply 1707 executable_for_core to it. Store r_debug_info->module info when 1708 appropriate. 1709 (dwfl_link_map_report): Add parameter r_debug_info. New variable 1710 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug 1711 caller parameters. 1712 17132013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1714 1715 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr. 1716 Set it to true for ET_EXEC and ET_CORE. Provide alternative 1717 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE. 1718 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add 1719 NEW_VERSION. 1720 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with 1721 COMPAT_VERSION. 1722 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it. 1723 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr. 1724 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf. 1725 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for 1726 dwfl_report_elf. 1727 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf. 1728 17292013-04-27 Mark Wielaard <mjw@redhat.com> 1730 1731 * link_map.c: #include system.h. 1732 17332013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com> 1734 1735 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move 1736 them to lib/system.h. 1737 17382013-04-24 Mark Wielaard <mjw@redhat.com> 1739 1740 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. 1741 17422013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com> 1743 1744 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning. 1745 17462013-03-12 Mark Wielaard <mjw@redhat.com> 1747 1748 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success. 1749 17502013-02-22 Mark Wielaard <mjw@redhat.com> 1751 1752 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define 1753 as DWFL_E_BADELF when not used. 1754 17552013-02-10 Mark Wielaard <mjw@redhat.com> 1756 1757 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in 1758 failure messages When handling ARGP_KEY_SUCCESS because arg will 1759 not have been set. 1760 17612013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1762 1763 * linux-proc-maps.c: Include system.h. 1764 (PROCEXEFMT, get_pid_class): New. 1765 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call 1766 get_pid_class. 1767 17682013-01-23 Mark Wielaard <mjw@redhat.com> 1769 1770 * dwfl_module_getdwarf.c (find_aux_sym): Don't subtract one 1771 from aux_syments by default. 1772 (find_symtab): Also succeed when only aux_symdata is found. 1773 When no symtab is found always try to load auxiliary table. 1774 (dwfl_module_getsymtab): Substract one from result when both 1775 tables have symbols. 1776 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary 1777 zero entry when both tables have symbols. 1778 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only subtract 1779 one from first_global when both tables have symbols. 1780 17812013-01-16 Mark Wielaard <mjw@redhat.com> 1782 1783 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata, 1784 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global. 1785 (dwfl_adjusted_aux_sym_addr): New function. 1786 (dwfl_deadjust_aux_sym_addr): Likewise. 1787 (dwfl_adjusted_st_value): Take and check symfile argument. 1788 (dwfl_deadjust_st_value): Likewise. 1789 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and 1790 use dwfl_file as argument to set address_sync. 1791 (find_debuginfo): Call find_prelink_address_sync with debug file. 1792 (find_aux_sym): New function. 1793 (find_symtab): Use find_aux_sym if all we have is the dynsym table 1794 and fill in aux DwflModule fields. 1795 (dwfl_module_getsymtab): Return syments plus aux_syments. 1796 (load_symtab): Always set first_global. 1797 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile 1798 when using same_section. Calculate first_global based on both 1799 mod->first_global and mod->aux_first_global. 1800 * dwfl_module.c (__libdwfl_module_free): Free aux_sym. 1801 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table 1802 to retrieve symbol and name if necessary, making sure all locals 1803 from any table come before any globals. 1804 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value 1805 with symfile. 1806 * relocate.c (resolve_symbol): Likewise. 1807 18082013-01-07 Roland McGrath <roland@hack.frob.com> 1809 1810 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but 1811 still assume the data is at least 32-bit aligned anyway. 1812 (dwfl_link_map_report): Handle unaligned auxv data. 1813 18142012-12-11 Mark Wielaard <mjw@redhat.com> 1815 1816 * linux-kernel-modules.c (report_kernel): Only free fname if 1817 find_kernel_elf succeeds and allocates it. 1818 (report_kernel_archive): Fix brackets around unlikely expression. 1819 18202012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com> 1821 1822 * argp-std.c: Update Copyright year. 1823 (offline_find_elf): New function. 1824 (offline_callbacks): Use it for find_elf. 1825 (struct parse_opt): New. 1826 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct 1827 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE 1828 processing till ARGP_KEY_SUCCESS. Initialize state->input already from 1829 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the 1830 final state->input initialization optional. 1831 * dwfl_end.c: Update Copyright year. 1832 (dwfl_end): Free executable_for_core. 1833 * libdwflP.h: Update Copyright year. 1834 (struct Dwfl): New field executable_for_core. 1835 18362012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com> 1837 1838 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS 1839 calculation. 1840 18412012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1842 1843 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code 1844 from ... 1845 (__libdwfl_getelf): ... here. Call it. 1846 18472012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1848 1849 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__. 1850 18512012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> 1852 1853 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1854 Initialize mod->MAIN_BIAS. 1855 18562012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> 1857 1858 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function 1859 binding_value. Use it for both zero and non-zero size symbols 1860 comparisons. 1861 18622012-10-01 Mark Wielaard <mjw@redhat.com> 1863 1864 * cu.c (cudie_offset): Don't use type_sig8, it might not be 1865 initialized and these are always real CUs, never TUs. 1866 18672012-10-01 Mark Wielaard <mjw@redhat.com> 1868 1869 * derelocate.c (find_section): Check next section exists before 1870 accessing it. 1871 18722012-08-01 Petr Machata <pmachata@redhat.com> 1873 1874 * offline.c (process_archive_member): Ignore entry "/SYM64/". 1875 18762012-03-28 Roland McGrath <roland@hack.frob.com> 1877 1878 * dwfl_segment_report_module.c 1879 (dwfl_segment_report_module: read_portion): Don't use existing buffer 1880 when FILESZ is zero (string mode) and available portion doesn't hold 1881 a terminated string. 1882 18832011-12-02 Roland McGrath <roland@hack.frob.com> 1884 1885 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case 1886 to use elf64_xlatetom and PHDRS.p64. 1887 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>. 1888 18892011-11-31 Mark Wielaard <mjw@redhat.com> 1890 1891 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all 1892 global symbols. Then only when that doesn't provide a match search 1893 all local symbols too. 1894 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg 1895 and fill it in. 1896 (find_symtab): Initialize mod->first_global and pass it to load_symtab. 1897 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field. 1898 18992011-11-31 Mark Wielaard <mjw@redhat.com> 1900 1901 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update 1902 sizeless_sym if needed and closer to desired addr. 1903 19042011-10-20 Mark Wielaard <mjw@redhat.com> 1905 1906 * derelocate.c (cache_sections): Intern mod->reloc_info check. 1907 (dwfl_module_relocations): Don't check mod->reloc_info. 1908 (dwfl_module_relocation_info): Likewise. 1909 (find_section): Likewise. 1910 19112011-07-09 Roland McGrath <roland@hack.frob.com> 1912 1913 * image-header.c (LE32): Macro removed (now in lib/system.h). 1914 19152011-04-11 Mark Wielaard <mjw@redhat.com> 1916 1917 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition 1918 by check for zlib, bzlib or lzma defines to check it isn't empty. 1919 (try_kernel_name): Use same guard for use of vmlinux_suffixes. 1920 19212011-03-08 Roland McGrath <roland@redhat.com> 1922 1923 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL. 1924 Reported by Kurt Roeckx <kurt@roeckx.be>. 1925 19262011-02-11 Roland McGrath <roland@redhat.com> 1927 1928 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz 1929 suffixes if corresponding decompression support is enabled. 1930 19312011-02-01 Roland McGrath <roland@redhat.com> 1932 1933 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the 1934 section-end address as the synchronization point, rather than sh_addr. 1935 1936 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover 1937 PT_INTERP p_vaddr separately from main phdrs and undo phdrs. 1938 1939 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in 1940 last change, so we recognize PT_INTERP in ELFCLASS64 correctly. 1941 19422011-01-11 Roland McGrath <roland@redhat.com> 1943 1944 * dwfl_module_getdwarf.c (open_elf): Remove section-based 1945 address_sync fixup from here. 1946 (find_prelink_address_sync): New function. 1947 (find_debuginfo): Call it. 1948 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error. 1949 19502011-01-04 Roland McGrath <roland@redhat.com> 1951 1952 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation 1953 logic to consider section addresses, the better to survive all the 1954 possible prelink machinations. 1955 * libdwflP.h (struct dwfl_file): Comment change. 1956 19572010-11-30 Roland McGrath <roland@redhat.com> 1958 1959 * derelocate.c (dwfl_module_relocations): Remove over-eager assert. 1960 19612010-11-12 Roland McGrath <roland@redhat.com> 1962 1963 * libdwflP.h (struct Dwfl_Module): New member main_bias. 1964 (dwfl_adjusted_address, dwfl_deadjust_address): Use it. 1965 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it. 1966 1967 * libdwflP.h (dwfl_deadjust_address): New function. 1968 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions. 1969 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr. 1970 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value. 1971 19722010-11-11 Roland McGrath <roland@redhat.com> 1973 1974 * libdwflP.h (struct dwfl_file): Remove bias member. 1975 Add vaddr and address_sync members instead. 1976 (dwfl_adjusted_address): Calculate using vaddr. 1977 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that. 1978 (dwfl_adjusted_st_value): Use one of those calls. 1979 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync. 1980 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 1981 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions. 1982 * link_map.c (consider_executable): Adjust only MOD->low_addr for 1983 detected PIE bias change. 1984 1985 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function. 1986 * dwfl_module_info.c: Use it. 1987 * cu.c (addrarange): Likewise. 1988 * dwfl_dwarf_line.c: Likewise. 1989 * dwfl_module_dwarf_cfi.c: Likewise. 1990 * dwfl_lineinfo.c: Likewise. 1991 * dwfl_nextcu.c: Likewise. 1992 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise. 1993 1994 * libdwflP.h (dwfl_adjusted_st_value): New function. 1995 * relocate.c (resolve_symbol): Use it. 1996 * dwfl_module_getsym.c: Likewise. 1997 * dwfl_module_addrsym.c: Likewise. 1998 * dwfl_module_info.c: Likewise. 1999 2000 * libdwflP.h (dwfl_adjusted_address): New function. 2001 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it. 2002 * relocate.c (__libdwfl_relocate_value): Likewise. 2003 * derelocate.c (cache_sections): Likewise. 2004 (dwfl_module_address_section): Likewise. 2005 * dwfl_module_getelf.c: Likewise. 2006 * dwfl_module_eh_cfi.c: Likewise. 2007 * link_map.c (consider_executable): Likewise. 2008 20092010-08-24 Roland McGrath <roland@redhat.com> 2010 2011 * dwfl_dwarf_line.c: New file. 2012 * Makefile.am (libdwfl_a_SOURCES): Add it. 2013 20142010-08-18 Roland McGrath <roland@redhat.com> 2015 2016 * link_map.c (report_r_debug): Use found name if we have no name, 2017 even if we already have an Elf handle. 2018 20192010-06-30 Roland McGrath <roland@redhat.com> 2020 2021 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be 2022 confused by -1 return from dwfl_build_id_find_elf after it opened 2023 the Elf handle. 2024 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for 2025 dwfl_build_id_find_debuginfo. 2026 20272010-06-16 Roland McGrath <roland@redhat.com> 2028 2029 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro. 2030 20312010-06-14 Roland McGrath <roland@redhat.com> 2032 2033 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare 2034 candidate file to that st_dev/st_ino and pretend it didn't exist 2035 if they match. 2036 (find_debuginfo_in_path): Update caller, pass main file's info. 2037 20382010-05-20 Roland McGrath <roland@redhat.com> 2039 2040 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ... 2041 (grovel_auxv): ... this. Take DWFL argument. 2042 (dwfl_linux_proc_report): Update caller. 2043 2044 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias 2045 based on dwfl->segment_align or manifest alignment of MOD->low_addr. 2046 20472010-05-19 Roland McGrath <roland@redhat.com> 2048 2049 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten. 2050 20512010-05-06 Roland McGrath <roland@redhat.com> 2052 2053 * segment.c (insert): Clear inserted elements of DWFL->lookup_module. 2054 2055 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF. 2056 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build 2057 ID but we didn't find a file. 2058 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check 2059 and refuse any fallback file-by-name if it lacks the matching ID. 2060 2061 * dwfl_error.c (dwfl_errno): Add INTDEF. 2062 * libdwflP.h: Add INTDECL. 2063 2064 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in 2065 failure cases. 2066 20672010-05-04 Roland McGrath <roland@redhat.com> 2068 2069 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an 2070 ET_DYN that has a DT_DEBUG. 2071 2072 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop. 2073 2074 * segment.c (insert): Fix moving of values following insertion. 2075 (reify_segments): Fix up MOD->segment backpointer indices after 2076 later insertions in the main loop invalidate them. 2077 2078 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and 2079 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly. 2080 2081 * core-file.c (dwfl_core_file_report): Return any nonzero count of 2082 modules reported, even if link_map grovelling failed and only sniffing 2083 found anything. 2084 20852010-04-26 Roland McGrath <roland@redhat.com> 2086 2087 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc. 2088 Works around probably-wrong ld -r behavior for case of a DWARF address 2089 constant that refers to a discarded SHF_ALLOC section. 2090 20912010-04-14 Roland McGrath <roland@redhat.com> 2092 2093 * link_map.c (report_r_debug): Limit iterations on the l_next chain to 2094 an upper bound on sane possible number of elements. 2095 20962010-03-11 Roland McGrath <roland@redhat.com> 2097 2098 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan 2099 the second half for 32-bit matches. 2100 21012010-03-10 Roland McGrath <roland@redhat.com> 2102 2103 * core-file.c (dwfl_core_file_report): Punt EHDR argument. 2104 * argp-std.c (parse_opt): Update caller. 2105 * libdwfl.h: Declare dwfl_core_file_report. 2106 * libdwflP.h: Don't. 2107 21082010-02-17 Roland McGrath <roland@redhat.com> 2109 2110 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument. 2111 If set, find the first index not below ADDR. 2112 (dwfl_segment_report_module): Update callers. 2113 Pass true when calculating return value. 2114 21152010-02-15 Roland McGrath <roland@redhat.com> 2116 2117 * Makefile.am: Use config/eu.am for common stuff. 2118 2119 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized 2120 variable in failure path. 2121 21222010-02-02 Mark Wielaard <mjw@redhat.com> 2123 2124 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias. 2125 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise 2126 21272010-01-07 Roland McGrath <roland@redhat.com> 2128 2129 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum. 2130 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 2131 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise. 2132 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 2133 21342010-01-06 Roland McGrath <roland@redhat.com> 2135 2136 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value. 2137 (relocate_section): Let unresolved SHN_COMMON symbol stay 0. 2138 21392009-11-16 Roland McGrath <roland@redhat.com> 2140 2141 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn. 2142 21432009-11-12 Petr Machata <pmachata@redhat.com> 2144 2145 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if 2146 the chunk is both offset-contiguous and vaddr-contiguous. 2147 21482009-11-05 Roland McGrath <roland@redhat.com> 2149 2150 * link_map.c (report_r_debug): Skip entries with l_ld==0. 2151 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure. 2152 21532009-09-04 Roland McGrath <roland@redhat.com> 2154 2155 * image-header.c (__libdw_image_header): Fix tranposed comparison. 2156 21572009-08-27 Roland McGrath <roland@redhat.com> 2158 2159 * image-header.c: New file. 2160 * Makefile.am (libdwfl_a_SOURCES): Add it. 2161 * libdwflP.h: Declare __libdw_image_header. 2162 * open.c (decompress): Don't consume ELF on failure. 2163 (what_kind): New function, broken out of ... 2164 (__libdw_open_file): ... here. Call it. 2165 If it fails, try __libdw_image_header and then try what_kind again. 2166 2167 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER, 2168 leave it behind for next decompressor. 2169 * open.c (decompress): Free BUFFER on failure. 2170 21712009-08-26 Roland McGrath <roland@redhat.com> 2172 2173 * gzip.c (find_zImage_payload): New function, broken out of ... 2174 (mapped_zImage): ... here. Call it. 2175 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with 2176 stupid method of just trying the decoder. 2177 2178 * open.c [USE_LZMA]: Try __libdw_unlzma. 2179 * libdwflP.h: Declare it. 2180 (DWFL_ERRORS): Add DWFL_E_LZMA. 2181 * gzip.c [LZMA]: Implement liblzma version for XZ file format. 2182 * lzma.c: New file. 2183 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it. 2184 2185 * gzip.c (mapped_zImage): Limit scan to 32kb. 2186 Make this unconditional, support bzip2 kernel images too. 2187 (unzip): Use direct inflate method for non-mmap case too. 2188 Only zlib uses the stream method. 2189 21902009-08-09 Roland McGrath <roland@redhat.com> 2191 2192 * dwfl_module_build_id.c: Use new macros for versioned definitions. 2193 21942009-07-08 Roland McGrath <roland@redhat.com> 2195 2196 * dwfl_module_dwarf_cfi.c: New file. 2197 * dwfl_module_eh_cfi.c: New file. 2198 * Makefile.am (libdwfl_a_SOURCES): Add them. 2199 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi. 2200 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi. 2201 22022009-07-08 Roland McGrath <roland@redhat.com> 2203 2204 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better. 2205 22062009-06-18 Mark Wielaard <mjw@redhat.com> 2207 2208 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap. 2209 22102009-06-13 Ulrich Drepper <drepper@redhat.com> 2211 2212 * derelocate.c: Don't use deprecated libelf functions. 2213 * dwfl_module_getdwarf.c: Likewise. 2214 * relocate.c: Likewise. 2215 22162009-04-23 Ulrich Drepper <drepper@redhat.com> 2217 2218 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is 2219 defined. Otherwise just define the latest version. 2220 22212009-04-22 Roland McGrath <roland@redhat.com> 2222 2223 * relocate.c (resolve_symbol): Apply correct bias to st_value found in 2224 a non-ET_REL module. 2225 2226 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to 2227 adjust properly for non-ET_REL. 2228 22292009-04-21 Roland McGrath <roland@redhat.com> 2230 2231 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC. 2232 2233 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL. 2234 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only 2235 for ET_REL. 2236 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 2237 22382009-04-20 Roland McGrath <roland@redhat.com> 2239 2240 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function. 2241 22422009-04-19 Roland McGrath <roland@redhat.com> 2243 2244 * dwfl_module_getdwarf.c (find_file): Renamed to ... 2245 (__libdwfl_getelf): ... this. Make it global. 2246 (find_symtab, find_dw): Update callers. 2247 (dwfl_module_getelf): Functions moved ... 2248 * dwfl_module_getelf.c: ... here, new file. 2249 * Makefile.am (libdwfl_a_SOURCES): Add it. 2250 * libdwflP.h: Declare __libdwfl_getelf. 2251 22522009-04-14 Roland McGrath <roland@redhat.com> 2253 2254 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either 2255 absolute (already adjusted in place) or needing load bias adjustment. 2256 2257 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for 2258 gelf_getphdr failure. Fix file size limit checks. 2259 2260 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check. 2261 22622009-04-08 Roland McGrath <roland@redhat.com> 2263 2264 * dwfl_module_getsym.c: Don't adjust for bias again after 2265 __libdwfl_relocate_value. 2266 2267 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from 2268 a non-SHF_ALLOC section. 2269 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX. 2270 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise. 2271 22722009-03-09 Roland McGrath <roland@redhat.com> 2273 2274 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX 2275 variable to outer scope, so we cache it for the loop. 2276 2277 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr. 2278 22792009-02-12 Roland McGrath <roland@redhat.com> 2280 2281 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use 2282 __libdwfl_relocate_value to find correct sh_addr value. 2283 22842009-02-10 Roland McGrath <roland@redhat.com> 2285 2286 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY. 2287 If false, don't fail for NO_PHDR. 2288 (dwfl_report_elf): Update caller. 2289 * libdwflP.h: Update decl. 2290 * offline.c (process_elf): Call it with false, so we don't refuse 2291 dubiously-formed objects here. 2292 2293 * link_map.c (consider_executable): Don't assert dwfl_addrsegment 2294 finds our module. We shouldn't crash when we confuse some guesses. 2295 22962009-02-10 Ulrich Drepper <drepper@redhat.com> 2297 2298 * open.c (decompress): Avoid crash with empty input file. 2299 23002009-01-27 Roland McGrath <roland@redhat.com> 2301 2302 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD 2303 with zero vaddr and memsz. 2304 23052009-01-22 Roland McGrath <roland@redhat.com> 2306 2307 * open.c (decompress): Move BUFFER, SIZE decls outside #if. 2308 2309 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments 2310 after address-matching loop. 2311 2312 * segment.c (lookup): Fix fencepost in checking for HINT match. 2313 23142009-01-14 Roland McGrath <roland@redhat.com> 2315 2316 * gzip.c [!BZLIB] (mapped_zImage): New function. 2317 (unzip) [!BZLIB]: Grok Linux kernel zImage format. 2318 23192009-01-10 Ulrich Drepper <drepper@redhat.com> 2320 2321 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code. 2322 23232009-01-08 Roland McGrath <roland@redhat.com> 2324 2325 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): 2326 Skip subdirectory named "source". 2327 (dwfl_linux_kernel_find_elf): Likewise. 2328 23292009-01-06 Roland McGrath <roland@redhat.com> 2330 2331 * linux-kernel-modules.c (check_suffix): New function. 2332 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes. 2333 (dwfl_linux_kernel_report_offline): Use it. 2334 (dwfl_linux_kernel_find_elf): Likewise. 2335 23362009-01-05 Roland McGrath <roland@redhat.com> 2337 2338 * argp-std.c (parse_opt): Use __libdw_open_file for core file. 2339 * dwfl_build_id_find_debuginfo.c: Use it to open the file. 2340 * dwfl_build_id_find_elf.c: Likewise. 2341 * dwfl_module_getdwarf.c (open_elf): Likewise. 2342 * dwfl_report_elf.c: Likewise. 2343 * find-debuginfo.c (validate): Likewise. 2344 * offline.c (__libdwfl_report_offline): Likewise. 2345 2346 * libdwflP.h: Declare __libdw_open_file. 2347 * open.c: New file. 2348 * Makefile.am (libdwfl_a_SOURCES): Add it. 2349 2350 * gzip.c: New file. 2351 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it. 2352 * bzip2.c: New file. 2353 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it. 2354 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2. 2355 23562008-12-16 Roland McGrath <roland@redhat.com> 2357 2358 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and 2359 symver magic to bind to ELFUTILS_0.138. 2360 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible 2361 wrapper for ELFUTILS_0.130 version set. 2362 23632008-12-18 Roland McGrath <roland@redhat.com> 2364 2365 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN 2366 addresses are taken as relative to MOD->low_addr. 2367 23682008-12-15 Roland McGrath <roland@redhat.com> 2369 2370 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not 2371 debug.bias. 2372 23732008-12-11 Roland McGrath <roland@redhat.com> 2374 2375 * offline.c (process_archive): Don't call elf_end and close if 2376 returning NULL. Check first elf_begin call and set error code 2377 specially for empty archive. 2378 Fixes RHBZ#465878. 2379 23802008-12-02 Roland McGrath <roland@redhat.com> 2381 2382 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. 2383 23842008-11-26 Roland McGrath <roland@redhat.com> 2385 2386 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in 2387 return value, and interpret encoded OFFSET argument. 2388 23892008-10-07 Roland McGrath <roland@redhat.com> 2390 2391 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. 2392 23932008-09-29 Roland McGrath <roland@redhat.com> 2394 2395 * segment.c (insert): Must realloc DWFL->lookup_module here too. 2396 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls. 2397 23982008-08-28 Roland McGrath <roland@redhat.com> 2399 2400 * segment.c (reify_segments): Fix last change. 2401 24022008-08-27 Roland McGrath <roland@redhat.com> 2403 2404 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM 2405 failure from pread64. 2406 24072008-08-26 Roland McGrath <roland@redhat.com> 2408 2409 * segment.c (reify_segments): Insert a trailing segment for a module 2410 end that is above the highest current segment. 2411 24122008-08-25 Roland McGrath <roland@redhat.com> 2413 2414 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for 2415 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF 2416 if FILE->elf is not ELF_K_ELF. 2417 2418 * dwfl_segment_report_module.c: Add a cast. 2419 24202008-08-21 Denys Vlasenko <dvlasenk@redhat.com> 2421 2422 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic 2423 which decides which symbol is "closest" to a given address. 2424 24252008-08-15 Roland McGrath <roland@redhat.com> 2426 2427 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. 2428 (options, parse_opt): Handle --core. 2429 2430 * core-file.c: New file. 2431 * Makefile.am (libdwfl_a_SOURCES): Add it. 2432 * libdwflP.h (dwfl_core_file_report): Declare it. 2433 2434 * link_map.c: New file. 2435 * Makefile.am (libdwfl_a_SOURCES): Add it. 2436 * libdwflP.h (dwfl_link_map_report): Declare it. 2437 2438 * libdwflP.h (MIN, MAX): New macros. 2439 (Dwfl_Memory_Callback): New typedef. 2440 (Dwfl_Module_Callback): New typedef. 2441 (dwfl_segment_report_module): Declare it. 2442 * dwfl_segment_report_module.c: New file. 2443 * Makefile.am (libdwfl_a_SOURCES): Add it. 2444 2445 * derelocate.c (dwfl_module_address_section): Add INTDEF. 2446 * libdwflP.h: Add INTDECL. 2447 2448 * segment.c: New file. 2449 * Makefile.am (libdwfl_a_SOURCES): Add it. 2450 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment. 2451 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc, 2452 lookup_addr, lookup_module, lookup_segndx, replace removed members 2453 modules, nmodules. 2454 (struct Dwfl_Module): New member segment. 2455 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist 2456 to each free module. 2457 * dwfl_module.c (dwfl_report_begin_add): Do nothing. 2458 (dwfl_report_begin): Don't call it. Truncate the segment table instead. 2459 (dwfl_report_module): Don't touch DWFL->nmodules. 2460 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules. 2461 (compare_modules): Function removed. 2462 * dwfl_getmodules.c: Rewritten. 2463 Add INTDEF. 2464 * libdwflP.h: Add INTDECLs. 2465 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules. 2466 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment. 2467 24682008-08-03 Roland McGrath <roland@redhat.com> 2469 2470 * linux-kernel-modules.c: Include <fts.h> before <config.h>. 2471 24722008-07-17 Roland McGrath <roland@redhat.com> 2473 2474 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to 2475 zero if the failure was only ENOENT. 2476 24772008-06-03 Roland McGrath <roland@redhat.com> 2478 2479 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined 2480 symbols. 2481 24822008-05-22 Petr Machata <pmachata@redhat.com> 2483 2484 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. 2485 24862008-05-06 Roland McGrath <roland@frob.com> 2487 2488 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use 2489 FTS_LOGICAL here too. 2490 (dwfl_linux_kernel_find_elf): Likewise. 2491 24922008-04-29 Roland McGrath <roland@redhat.com> 2493 2494 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search 2495 based on canonicalize_file_name if it differs from the supplied name. 2496 2497 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so 2498 we accept symlinks. 2499 25002008-04-27 Roland McGrath <roland@redhat.com> 2501 2502 * linux-kernel-modules.c (report_kernel): Fix crash when 2503 dwfl_report_elf fails. 2504 25052008-04-05 Roland McGrath <roland@redhat.com> 2506 2507 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE. 2508 2509 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits. 2510 Clear it after freeing. 2511 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise. 2512 25132008-03-26 Roland McGrath <roland@redhat.com> 2514 2515 * dwfl_module_getdwarf.c (load_symtab): Don't return success for 2516 SHT_DYNSYM, just set *SYMSCN like the comment says. 2517 2518 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array. 2519 2520 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure. 2521 25222008-03-19 Roland McGrath <roland@redhat.com> 2523 2524 * dwfl_module_getsrc.c: Adjust address for module bias before search. 2525 25262008-03-01 Roland McGrath <roland@redhat.com> 2527 2528 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from 2529 prototype to avoid older compiler's complaint about reuse of the name. 2530 (__libdwfl_canon_error): Likewise. 2531 25322008-02-19 Roland McGrath <roland@redhat.com> 2533 2534 * relocate.c (relocate_section): Check for an unhandled relocation 2535 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE -> 2536 DWFL_E_UNKNOWN_MACHINE check out of loops. 2537 2538 * dwfl_module_getdwarf.c (load_dw): Skip relocation if 2539 DEBUGFILE->relocated is already set. 2540 25412008-01-26 Roland McGrath <roland@redhat.com> 2542 2543 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null. 2544 2545 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear 2546 incoming *FILE_NAME at the start. 2547 25482008-01-08 Roland McGrath <roland@redhat.com> 2549 2550 * Makefile.am (euinclude): Variable removed. 2551 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 2552 25532007-10-23 Roland McGrath <roland@redhat.com> 2554 2555 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel 2556 module to appear first. 2557 25582007-10-20 Roland McGrath <roland@redhat.com> 2559 2560 * offline.c (process_archive_member): Take FD argument, pass it down 2561 to process_file. Return Elf_Cmd, not bool. 2562 Call elf_next here, always before elf_end. 2563 (process_archive): Update caller. Don't close FD here unless there 2564 are no member refs. 2565 2566 * dwfl_module.c (free_file): Close fd only when elf_end returns zero. 2567 2568 * libdwflP.h (struct dwfl_file): New bool member `relocated'. 2569 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply 2570 partial relocation to one or both files. 2571 (dwfl_module_getdwarf): For ET_REL, make sure extra sections' 2572 relocations have been applied to the debug file if dwfl_module_getelf 2573 has been used before. 2574 2575 * relocate.c (resolve_symbol): New function. 2576 (relocate_section): Call it. 2577 2578 * relocate.c (relocate_getsym): Handle null MOD->symfile. 2579 (relocate_section): Take new bool arg, PARTIAL. If true, 2580 no error for BADRELTYPE/RELUNDEF, instead just skip them 2581 and leave only those skipped relocs behind the reloc section. 2582 (__libdwfl_relocate_section): Take new arg, pass it down. 2583 (__libdwfl_relocate): Take new bool arg, DEBUG. If false, 2584 do partial relocation on all sections. 2585 * dwfl_module_getdwarf.c (load_dw): Update caller. 2586 * libdwflP.h: Update decls. 2587 * derelocate.c (dwfl_module_address_section): Pass new argument 2588 to __libdwfl_relocate_section, true. 2589 2590 * derelocate.c (cache_sections): Don't cache reloc sections when 2591 section_address callback is null. 2592 25932007-10-19 Roland McGrath <roland@redhat.com> 2594 2595 * relocate.c (relocate_section): Fix fencepost error in r_offset check. 2596 2597 * derelocate.c (struct dwfl_relocation): Add member `relocs'. 2598 (struct secref): Likewise. 2599 (cache_sections): Cache the relocation section referring to each 2600 section we cache, if any. 2601 (dwfl_module_address_section): Use __libdwfl_relocate_section as 2602 necessary. 2603 2604 * relocate.c (struct reloc_symtab_cache): New type. 2605 (relocate_getsym): Use it instead of four arguments. 2606 (__libdwfl_relocate): Update caller. 2607 (relocate_section): New function, broken out of ... 2608 (__libdwfl_relocate): ... here. 2609 (__libdwfl_relocate_section): New function. 2610 * libdwflP.h: Declare it. 2611 26122007-10-17 Roland McGrath <roland@redhat.com> 2613 2614 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias 2615 to relocated st_value. 2616 2617 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for 2618 ET_REL to 0x100. 2619 26202007-10-16 Roland McGrath <roland@redhat.com> 2621 2622 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later 2623 section has larger alignment requirements not met by the original BASE, 2624 rather than padding more between sections. 2625 2626 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation. 2627 2628 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias 2629 to sh_addr value. 2630 2631 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE 2632 at zero in ET_REL case. Adjust BASE to necessary alignment. 2633 2634 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value 2635 for DATA_VADDR. 2636 (__libdwfl_find_build_id): Update caller. 2637 2638 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset. 2639 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 2640 * offline.c (dwfl_offline_section_address): Bail early if there is 2641 separate debug file. 2642 2643 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF. 2644 26452007-10-09 Roland McGrath <roland@redhat.com> 2646 2647 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when 2648 caching SHDR->sh_addr = 0. 2649 * offline.c (dwfl_offline_section_address): Never called for sh_addr 2650 really at 0, don't check for it. Use MOD->debug directly, not symfile. 2651 2652 * dwfl_module_getdwarf.c (load_symtab): Return success properly when 2653 we've found SHT_SYMTAB. 2654 2655 * relocate.c (relocate_getsym): New function. 2656 (__libdwfl_relocate): Use it. 2657 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX 2658 be a pointer instead of value; cache getshstrndx result there. 2659 * libdwflP.h: Update decl. 2660 * derelocate.c (cache_sections): Update caller. 2661 Always work on the main file, not the symfile. 2662 (dwfl_module_address_section): Likewise. 2663 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller. 2664 26652007-10-07 Roland McGrath <roland@redhat.com> 2666 2667 * offline.c (process_archive): Initialize MOD. 2668 2669 * linux-kernel-modules.c (get_release): New function, broken out of ... 2670 (report_kernel): ... here. Call it. 2671 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set. 2672 (find_kernel_elf): Update caller. 2673 (report_kernel_archive): New function. 2674 (dwfl_linux_kernel_report_offline): Call it. 2675 2676 * offline.c (process_file): Take new arg PREDICATE, pass it down. 2677 (process_archive): Likewise. 2678 (process_archive_member): Likewise. When nonnull, let the predicate 2679 decide whether to use this member. 2680 (__libdwfl_report_offline): New function, broken out of ... 2681 (dwfl_report_offline): ... here. Call it. 2682 * libdwflP.h: Declare it. 2683 2684 * offline.c (process_archive, process_archive_member): New functions. 2685 (process_elf, process_file): New functions, broken out of ... 2686 (dwfl_report_offline): ... here. Call process_file, which recurses on 2687 ELF_K_AR files. 2688 2689 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ... 2690 (dwfl_report_elf): ... here. Call it. 2691 * libdwflP.h: Declare it. 2692 26932007-10-06 Roland McGrath <roland@redhat.com> 2694 2695 * derelocate.c (dwfl_module_relocations): Don't call 2696 dwfl_module_getdwarf. 2697 2698 * derelocate.c (find_section): Use __libdwfl_seterrno, not 2699 __libdw_seterrno. 2700 2701 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not 2702 SHF_ALLOC, to cache sh_addr resolved to 0. 2703 2704 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr 2705 values nonzero already, just use its existing layout. 2706 2707 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its 2708 in-core shdr after applying it. 2709 27102007-10-04 Ulrich Drepper <drepper@redhat.com> 2711 2712 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake 2713 initialization of notes variable. 2714 27152007-10-04 Roland McGrath <roland@redhat.com> 2716 2717 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES, 2718 fill in with vaddr of "__start_notes" symbol if found. 2719 (check_notes): New function. 2720 (check_kernel_notes): New function. 2721 (dwfl_linux_kernel_report_kernel): Call it. 2722 (check_module_notes): New function. 2723 (dwfl_linux_kernel_report_modules): Call it. 2724 2725 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): 2726 Try dwfl_build_id_find_elf first. 2727 2728 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT. 2729 Set kernel module e_type to ET_DYN. 2730 27312007-10-03 Roland McGrath <roland@redhat.com> 2732 2733 * find-debuginfo.c (validate): New function, broken out of ... 2734 (find_debuginfo_in_path): ... here. New function, broken out of ... 2735 (dwfl_standard_find_debuginfo): ... here. Call it, after trying 2736 dwfl_build_id_find_debuginfo first. 2737 2738 * dwfl_build_id_find_elf.c: New file. 2739 * dwfl_build_id_find_debuginfo.c: New file. 2740 * Makefile.am (libdwfl_a_SOURCES): Add them. 2741 * libdwfl.h: Declare them. 2742 * libdwflP.h: Add INTDECLs. 2743 2744 * dwfl_module_build_id.c: New file. 2745 * dwfl_module_report_build_id.c: New file. 2746 * Makefile.am (libdwfl_a_SOURCES): Add them. 2747 * libdwfl.h: Declare them. 2748 * libdwflP.h (struct Dwfl_Module): New members build_id_bits, 2749 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id. 2750 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits. 2751 2752 * dwfl_module_getdwarf.c (find_offsets): New function. 2753 (find_dynsym): New function, calls that. 2754 (find_symtab): Call it. 2755 27562007-09-11 Roland McGrath <roland@redhat.com> 2757 2758 * dwfl_module_addrsym.c: Prefer a later global symbol at the same 2759 address if its st_size is smaller. 2760 27612007-08-13 Roland McGrath <roland@redhat.com> 2762 2763 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler. 2764 27652007-08-12 Roland McGrath <roland@redhat.com> 2766 2767 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use 2768 FTS_LOGICAL. 2769 2770 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on 2771 a second phdr if it happens to match EHDR_VMA exactly. 2772 27732007-08-08 Roland McGrath <roland@redhat.com> 2774 2775 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and 2776 those with no names. Rewrite best symbol algorithm not to assume a 2777 sorted table and to be smarter handling sizeless symbols. 2778 27792007-07-16 Roland McGrath <roland@redhat.com> 2780 2781 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when 2782 reviving an existing module. 2783 27842007-06-08 Roland McGrath <roland@redhat.com> 2785 2786 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME. 2787 27882007-05-17 Roland McGrath <roland@redhat.com> 2789 2790 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at 2791 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel. 2792 (dwfl_linux_kernel_find_elf): Likewise. 2793 2794 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 2795 getline and sscanf instead of fscanf. 2796 27972007-05-08 Roland McGrath <roland@redhat.com> 2798 2799 * offline.c (dwfl_offline_section_address): Don't assume section 2800 numbers match between stripped and debuginfo files. Instead, assume 2801 only that the ordering among SHF_ALLOC sections matches. 2802 2803 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to 2804 pointer to string. 2805 (dwfl_linux_kernel_report_offline): Update caller. 2806 (dwfl_linux_kernel_report_kernel): Likewise. 2807 28082007-04-23 Roland McGrath <roland@redhat.com> 2809 2810 * argp-std.c (options): Fix group title string. 2811 2812 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl. 2813 Update via STATE->input every time we set STATE->hook, not only at 2814 ARGP_KEY_SUCCESS. 2815 2816 * dwfl_module.c (free_file): Free FILE->name. 2817 28182007-04-16 Roland McGrath <roland@redhat.com> 2819 2820 * derelocate.c (cache_sections): Apply bias to sh_addr. 2821 (compare_secrefs): Fix address comparison to avoid signed overflow. 2822 (find_section): New function, broken out of ... 2823 (dwfl_module_relocate_address): ... here, call it. 2824 (check_module): New function, broken out of ... 2825 (dwfl_module_relocate_address): ... here, call it. 2826 (dwfl_module_address_section): New function. 2827 * libdwfl.h: Declare it. 2828 28292007-03-26 Roland McGrath <roland@redhat.com> 2830 2831 * dwfl_module.c (__libdwfl_module_free): Free MOD itself. 2832 28332007-03-18 Roland McGrath <roland@redhat.com> 2834 2835 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of 2836 (find_debuginfo): ... here. Call it. 2837 Don't return error for libelf errors finding .gnu_debuglink section. 2838 28392007-03-12 Roland McGrath <roland@redhat.com> 2840 2841 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ... 2842 (dwfl_report_begin): ... here. Call it. 2843 * libdwfl.h: Declare it. 2844 * libdwflP.h: Add INTDECL. 2845 2846 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 2847 2848 * offline.c: Comment typo fix. 2849 28502007-03-04 Roland McGrath <roland@redhat.com> 2851 2852 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel". 2853 (find_kernel_elf): New function, broken out of ... 2854 (report_kernel): ... here. Call it. 2855 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME. 2856 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess 2857 virtual address bounds of kernel from symbols rounded to page size. 2858 (dwfl_linux_kernel_report_kernel): Use that if it works, before 2859 resorting to report_kernel. 2860 2861 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an 2862 ET_EXEC file with nonzero bias. 2863 2864 * dwfl_module_addrname.c (dwfl_module_addrname): Just call 2865 dwfl_module_addrsym. Guts moved to ... 2866 * dwfl_module_addrsym.c: ... here; new file. 2867 * Makefile.am (libdwfl_a_SOURCES): Add it. 2868 * libdwfl.h: Declare dwfl_module_addrsym. 2869 * libdwflP.h: Add INTDECL. 2870 28712007-03-03 Roland McGrath <roland@redhat.com> 2872 2873 * dwfl_module.c (free_file): New function, broken out of ... 2874 (__libdwfl_module_free): ... here. In it, close fd after elf_end. 2875 2876 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1 2877 on libelf failure. 2878 28792007-03-02 Roland McGrath <roland@redhat.com> 2880 2881 * linux-kernel-modules.c: Fix bogus error test for asprintf call. 2882 28832007-02-02 Roland McGrath <roland@redhat.com> 2884 2885 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary 2886 address exactly if it's no other module's low boundary. 2887 2888 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value 2889 and size cover the address, select the closest symbol with st_size==0 2890 that lies in the same section. 2891 28922007-01-29 Roland McGrath <roland@redhat.com> 2893 2894 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION, 2895 not PACKAGE_STRING. 2896 28972007-01-20 Roland McGrath <roland@redhat.com> 2898 2899 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1 2900 as omitted, not 0. 2901 * libdwfl.h (Dwfl_Callbacks): Update comment. 2902 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections. 2903 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2904 For ignored missing section, use -1 instead of 0. 2905 * offline.c (dwfl_offline_section_address): Expect a call for 0. 2906 29072007-01-19 Roland McGrath <roland@redhat.com> 2908 2909 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to 2910 zero so a lone -e foo.so is shown without address bias. 2911 29122007-01-10 Roland McGrath <roland@redhat.com> 2913 2914 * linux-kernel-modules.c (report_kernel): Check asprintf return value 2915 directly instead of via side effect, to silence warn_unused_result. 2916 (dwfl_linux_kernel_report_offline): Likewise. 2917 (dwfl_linux_kernel_find_elf): Likewise. 2918 (dwfl_linux_kernel_module_section_address): Likewise. 2919 * find-debuginfo.c (try_open): Likewise. 2920 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise. 2921 (dwfl_linux_proc_report): Likewise. 2922 2923 * libdwfl.h (dwfl_begin): Require nonnull argument. 2924 29252006-12-27 Roland McGrath <roland@redhat.com> 2926 2927 * dwfl_module.c (compare_modules): Fix address comparison to avoid 2928 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>. 2929 29302006-10-30 Roland McGrath <roland@redhat.com> 2931 2932 * dwfl_module.c (dwfl_report_module): Comment typo fix. 2933 29342006-09-05 Roland McGrath <roland@redhat.com> 2935 2936 * derelocate.c (cache_sections): Use alloca instead of variable-sized 2937 auto array, in function already using alloca. 2938 29392006-08-14 Roland McGrath <roland@redhat.com> 2940 2941 * linux-kernel-modules.c (try_kernel_name): If the call to 2942 dwfl_standard_find_debuginfo produces no results, try it again 2943 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix. 2944 2945 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ... 2946 * libdwflP.h: ... to here. 2947 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it 2948 repeats the first thing dwfl_standard_find_debuginfo will try. 2949 2950 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro. 2951 (dwfl_linux_kernel_module_section_address): If a /sys file is missing 2952 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the 2953 section name. 2954 29552006-07-12 Ulrich Drepper <drepper@redhat.com> 2956 2957 * cu.c: Adjust for internal_function_def removal. 2958 * dwfl_error.c: Likewise. 2959 * dwfl_module.c: Likewise. 2960 * dwfl_module_getdwarf.c: Likewise. 2961 * lines.c: Likewise. 2962 * relocate.c: Likewise. 2963 29642006-07-11 Ulrich Drepper <drepper@redhat.com> 2965 2966 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value, 2967 it can overflow the return value type. 2968 Patch by Tim Moore <timoore@redhat.com>. 2969 29702006-06-28 Roland McGrath <roland@redhat.com> 2971 2972 * libdwfl.h: Cosmetic changes. 2973 2974 * dwfl_line_comp_dir.c: New file. 2975 * Makefile.am (libdwfl_a_SOURCES): Add it. 2976 * libdwfl.h: Declare dwfl_line_comp_dir. 2977 2978 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn. 2979 2980 * dwfl_linecu.c: New file. 2981 * Makefile.am (libdwfl_a_SOURCES): Add it. 2982 * libdwfl.h: Declare dwfl_linecu. 2983 2984 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu. 2985 (dwfl_linecu): Define as macro. 2986 2987 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym. 2988 2989 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function. 2990 (dwfl_module_addrname): Function moved ... 2991 * dwfl_module_addrname.c: ... here, new file. 2992 * dwfl_module_getsym.c: New file. 2993 * Makefile.am (libdwfl_a_SOURCES): Add them. 2994 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym. 2995 * libdwflP.h: Add INTDECLs. 2996 29972006-06-27 Roland McGrath <roland@redhat.com> 2998 2999 * dwfl_module.c (dwfl_report_end): Whitespace fix. 3000 30012006-06-13 Roland McGrath <roland@redhat.com> 3002 3003 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 3004 Use __libdwfl_seterrno for elf_memory failure. 3005 30062006-05-22 Roland McGrath <roland@redhat.com> 3007 3008 * dwfl_module_return_value_location.c 3009 (dwfl_module_return_value_location): Use __libdwfl_module_getebl. 3010 30112006-05-27 Ulrich Drepper <drepper@redhat.com> 3012 3013 * libdwfl.h: Add extern "C". 3014 30152006-05-22 Ulrich Drepper <drepper@redhat.com> 3016 3017 * cu.c (addrarange): Handle files without aranges information. 3018 30192006-05-16 Ulrich Drepper <drepper@redhat.com> 3020 3021 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of 3022 ->modules is NULL. 3023 30242006-02-26 Roland McGrath <roland@redhat.com> 3025 3026 * dwfl_version.c: New file. 3027 * Makefile.am (libdwfl_a_SOURCES): Add it. 3028 * libdwfl.h: Declare dwfl_version. 3029 3030 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having 3031 aligned up from DWFL->offline_next_address when checking for overlap. 3032 30332005-12-22 Roland McGrath <roland@redhat.com> 3034 3035 * argp-std.c (parse_opt): Call dwfl_end in failure cases. 3036 3037 * linux-proc-maps.c (proc_maps_report): New function, broken out of ... 3038 (dwfl_linux_proc_report): ... here. Call it. 3039 (dwfl_linux_proc_maps_report): New function. 3040 * libdwfl.h: Declare it. 3041 * libdwflP.h: Add INTDECL. 3042 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map. 3043 3044 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf 3045 failed with DWFL_E_NO_DWARF. 3046 30472005-11-26 Roland McGrath <roland@redhat.com> 3048 3049 * dwfl_end.c (dwfl_end): Free the DWFL itself. 3050 30512005-11-25 Roland McGrath <roland@redhat.com> 3052 3053 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function. 3054 (load_dw): Use it. 3055 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise. 3056 * libdwflP.h: Declare it. 3057 3058 * dwfl_module_register_names.c: New file. 3059 * Makefile.am (libdwfl_a_SOURCES): Add it. 3060 * libdwfl.h: Declare dwfl_module_register_names. 3061 30622005-11-21 Roland McGrath <roland@redhat.com> 3063 3064 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 3065 Don't leak malloc'd file name. 3066 If a /sys/.../sections file is missing and starts with ".init", 3067 try the variant with "_init" too; catches PPC64 kernel braindamage. 3068 30692005-11-15 Roland McGrath <roland@redhat.com> 3070 3071 * libdwfl.h: Comment fixes. 3072 3073 * dwfl_module_return_value_location.c: Add unlikely for error case. 3074 30752005-11-13 Roland McGrath <roland@redhat.com> 3076 3077 * dwfl_return_value_location.c: New file. 3078 * Makefile.am (libdwfl_a_SOURCES): Add it. 3079 * libdwfl.h: Declare dwfl_module_return_value_location. 3080 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE. 3081 30822005-10-20 Roland McGrath <roland@redhat.com> 3083 3084 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE. 3085 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE 3086 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE. 3087 30882005-10-01 Roland McGrath <roland@redhat.com> 3089 3090 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail 3091 with errno 0. 3092 30932005-09-19 Roland McGrath <roland@redhat.com> 3094 3095 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 3096 PRIx64 instead of PRIi64, lest addresses with high bits set overflow 3097 the signed integer reading; they will just have to be in hexadecimal. 3098 (dwfl_linux_kernel_module_section_address): Likewise. 3099 31002005-08-28 Ulrich Drepper <drepper@redhat.com> 3101 3102 * Makefile.am (%.os): Use COMPILE.os. 3103 (COMPILE.os): Filter out gconv options. 3104 31052005-08-25 Roland McGrath <roland@redhat.com> 3106 3107 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end. 3108 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info. 3109 31102005-08-24 Roland McGrath <roland@redhat.com> 3111 3112 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it. 3113 3114 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function, 3115 magic initializer to set -heur-stack-bound option. 3116 31172005-08-22 Roland McGrath <roland@redhat.com> 3118 3119 * dwfl_validate_address.c: New file. 3120 * Makefile.am (libdwfl_a_SOURCES): Add it. 3121 * libdwfl.h: Declare dwfl_validate_address. 3122 3123 * derelocate.c (dwfl_module_relocate_address): Add INTDEF. 3124 * libdwflP.h: Add INTDECL. 3125 3126 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of 3127 elf_rawdata for symbol-related sections. 3128 3129 * offline.c (dwfl_report_offline): Move offline_next_address outside 3130 module's range, in case it's an ET_EXEC using fixed segment locations. 3131 * libdwfl.h: Update comment. 3132 3133 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's 3134 required alignment. 3135 31362005-08-20 Roland McGrath <roland@redhat.com> 3137 3138 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE, 3139 function to choose whether to report. 3140 (dwfl_linux_kernel_report_offline): Likewise. 3141 * libdwfl.h: Update decl. 3142 * argp-std.c (parse_opt): Update caller. 3143 3144 * dwfl_getsrclines.c: New file. 3145 * dwfl_onesrcline.c: New file. 3146 * Makefile.am (libdwfl_a_SOURCES): Add them. 3147 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline. 3148 3149 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak 3150 MODULESDIR[0]. Call fts_close on failure. 3151 3152 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *. 3153 Close ET_REL file descriptors after relocation. 3154 (find_dw): Update caller. 3155 * offline.c (dwfl_report_offline): Get the file into memory and close 3156 the file descriptor. 3157 3158 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when 3159 MOD->debug.elf is already set. 3160 3161 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY. 3162 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR. 3163 3164 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use 3165 dwfl_linux_kernel_report_offline with offline_callbacks. 3166 3167 * linux-kernel-modules.c (report_kernel): New function, broken out of 3168 ... 3169 (dwfl_linux_kernel_report_kernel): ... here. Use it. 3170 (dwfl_linux_kernel_report_offline): New function. 3171 * libdwfl.h: Declare it. 3172 * libdwflP.h: Add INTDECL. 3173 31742005-08-19 Roland McGrath <roland@redhat.com> 3175 3176 Use standard debuginfo search path to look for vmlinux. 3177 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if 3178 passed zero. 3179 * linux-kernel-modules.c (try_kernel_name): New function, broken out 3180 of ... 3181 (dwfl_linux_kernel_report_kernel): ... here. Use it. 3182 3183 * argp-std.c (offline_callbacks): New variable. 3184 (parse_opt): Use it for -e. Allow multiple -e options. 3185 3186 * offline.c: New file. 3187 * Makefile.am (libdwfl_a_SOURCES): Add it. 3188 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline. 3189 * libdwflP.h: Add INTDECLs. 3190 (OFFLINE_REDZONE): New macro. 3191 (struct Dwfl): New member `offline_next_address'. 3192 * dwfl_begin.c (dwfl_begin): Initialize it. 3193 * dwfl_module.c (dwfl_report_begin): Likewise. 3194 3195 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL, 3196 do a nominal absolute section layout starting at BASE. 3197 * libdwfl.h: Update comment. 3198 31992005-08-18 Roland McGrath <roland@redhat.com> 3200 3201 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do 3202 dwfl_module_getdwarf if necessary. 3203 3204 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0. 3205 * libdwfl.h: Update comment. 3206 3207 * derelocate.c: New file. 3208 * Makefile.am (libdwfl_a_SOURCES): Add it. 3209 3210 * libdwflP.h (struct Dwfl_Module): isrel -> e_type. 3211 * dwfl_report_elf.c (dwfl_report_elf): Initialize it. 3212 * dwfl_module_getdwarf.c (open_elf): Update initialization. 3213 (load_dw, dwfl_module_addrname): Update uses. 3214 * relocate.c (__libdwfl_relocate): Likewise. 3215 32162005-08-04 Roland McGrath <roland@redhat.com> 3217 3218 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional 3219 arguments SHNDX, SHDR. 3220 (dwfl_linux_kernel_module_section_address): Update prototype. 3221 * relocate.c (__libdwfl_relocate_value): Update caller. 3222 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 3223 Take the new arguments. 3224 32252005-08-10 Roland McGrath <roland@redhat.com> 3226 3227 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE, 3228 use it instead of MOD->debug.file. 3229 * libdwflP.h: Update decl. 3230 * dwfl_module_getdwarf.c (load_dw): Update caller. 3231 Fixes bug #165598. 3232 32332005-08-09 Roland McGrath <roland@redhat.com> 3234 3235 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs. 3236 * cu.c: Use INTUSE on dwarf_* calls. 3237 * dwfl_error.c: Likewise. 3238 * dwfl_module.c: Likewise. 3239 * dwfl_module_getdwarf.c: Likewise. 3240 * dwfl_module_getsrc_file.c: Likewise. 3241 * lines.c: Likewise. 3242 32432005-08-07 Roland McGrath <roland@redhat.com> 3244 3245 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module 3246 names contain '_' or '-', look for files named either "foo-bar.ko" 3247 or "foo_bar.ko". 3248 32492005-07-29 Roland McGrath <roland@redhat.com> 3250 3251 * loc2c.c: File removed. 3252 * loc2c.h: File removed. 3253 * loc2c-runtime.h: File removed. 3254 * test2.c: File removed. 3255 * Makefile.am (EXTRA_DIST): Variable removed. 3256 (noinst_HEADERS): Remove loc2c.h from here. 3257 32582005-07-28 Ulrich Drepper <drepper@redhat.com> 3259 3260 * libdwfl.h: Add a few missing extern for function prototypes. 3261 3262 * libdwfl_crc32.c: New file. 3263 * libdwfl_crc32_file.c: New file. 3264 * libdwflP.h: Declare the new functions. 3265 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and 3266 libdwfl_crc32_file.c. 3267 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file 3268 instead of crc32_file. 3269 32702005-07-28 Roland McGrath <roland@redhat.com> 3271 3272 * ptest.c: Moved to ../tests/dwflmodtest.c. 3273 3274 * Makefile.am (noinst_PROGRAMS): Variable removed. 3275 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise. 3276 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise. 3277 (libdwfl): Don't use libdwfl.so any more. 3278 (libdwfl.so, install, uninstall): Targets removed. 3279 (test2_SOURCES): Define EXTRA_DIST instead of this. 3280 * libdwfl.map: File removed. 3281 3282 * libdwfl.h: Use "" for libdw.h #include. 3283 32842005-07-27 Roland McGrath <roland@redhat.com> 3285 3286 * libdwfl.map: Add dwfl_getmodules. 3287 32882005-07-23 Ulrich Drepper <drepper@redhat.com> 3289 3290 * Makefile.am: Fix rules to allow building with mudflap. 3291 32922005-07-21 Roland McGrath <roland@redhat.com> 3293 3294 * Makefile.am (noinst_HEADERS): Add loc2c.c. 3295 3296 * test2.c (main): Check sscanf result to quiet warning. 3297 32982005-07-20 Roland McGrath <roland@redhat.com> 3299 3300 * libdwfl-branch merged, creating this direcotry. 3301