12022-10-21 Yonggang Luo <luoyonggang@gmail.com> 2 3 * argp-std.c: Don't include unistd.h. 4 * core-file.c: Don't include unistd.h, endian.h, byteswap.h and 5 system.h. 6 * dwfl_build_id_find_debuginfo.c: Don't include unistd.h. 7 * dwfl_build_id_find_elf.c: Likewise. 8 * dwfl_end.c: Likewise. 9 * dwfl_frame.c: Likewise. 10 * dwfl_module.c: Likewise. 11 * dwfl_module_getdwarf.c: Likewise. 12 * dwfl_report_elf.c: Likewise. 13 * dwfl_segment_report_module.c: Don't include endian.h and unistd.h. 14 * find-debuginfo.c: Don't include unistd.h. 15 * gzip.c: Likewise. 16 * image-header.c: Don't include system.h, unistd.h and endian.h. 17 * link_map.c: Don't include byteswap.h and endian.h. 18 * linux-pid-attach.c: Don't include unistd.h. 19 * offline.c: Likewise. 20 * open.c: Likewise. 21 222022-10-21 Yonggang Luo <luoyonggang@gmail.com> 23 24 * libdwfl_crc32.c: Remove LIB_SYSTEM_H define. 25 262022-09-20 Yonggang Luo <luoyonggang@gmail.com> 27 28 * dwfl_segment_report_module.c: Use BYTE_ORDER, LITTLE_ENDIAN and 29 BIG_ENDIAN. 30 312022-09-13 Aleksei Vetrov <vvvvvv@google.com> 32 33 * libdwfl.h (dwfl_report_offline_memory): New function. 34 * libdwflP.h (__libdw_open_elf_memory): New internal function. 35 (dwfl_report_offline_memory): INTDECL. 36 * offline.c (dwfl_report_offline_memory): New function. 37 * open.c (decompress): Return DWFL_E_BADELF when fd is -1. 38 (libdw_open_elf): New argument use_elfp. Adding *elfp to elf if 39 true. 40 (__libdw_open_file): Pass false to libdw_open_elf. 41 (__libdw_open_elf_memory): New function. 42 (__libdw_open_elf): Pass false for libdw_open_elf. 43 442022-07-28 Di Chen <dichen@redhat.com> 45 46 * libdwfl.h (dwfl_frame_reg): New function. 47 * libdwflP.h (DWFL_E_REGISTER_VAL_UNKNOWN): New error code. 48 (__libdwfl_frame_reg_get): Return an int. 49 (dwfl_frame_reg): INTDECL. 50 * dwfl_frame_regs.c (dwfl_frame_reg): New function. 51 * frame_unwind.c (__libdwfl_frame_reg_get): Return an int. 52 (state_get_reg): Removed. 53 (expr_eval): Use INTUSE (dwfl_frame_reg) instead of state_get_reg. 54 (handle_cfi): Likewise. 55 (getfunc): Likewise. 56 * linux-core-attach.c (core_set_initial_registers): Check 57 __libdwfl_frame_reg_get returns zero. 58 592022-07-28 Mark Wielaard <mark@klomp.org> 60 61 * core-file.c (elf_begin_rand): Replace struct ar_hdr h with 62 a char ar_size[AR_SIZE_CHARS + 1] array to read size. 63 642022-07-18 Shahab Vahedi <shahab@synopsys.com> 65 66 * debuginfod-client.c (dwfl_get_debuginfod_client stub): 67 Add a name to the sole parameter. 68 692022-07-13 Mark Wielaard <mark@klomp.org> 70 71 * debuginfod-client.c (dwfl_get_debuginfod_client): Add INTDEF. 72 (__libdwfl_debuginfod_find_executable): Use 73 INTUSE (dwfl_get_debuginfod_client). 74 (__libdwfl_debuginfod_find_debuginfo): Likewise. 75 762022-06-22 Milian Wolff <mail@milianw.de> 77 78 * libdwfl.h, debuginfod-client.c (dwfl_get_debuginfod_client): 79 Rename get_client to dwfl_get_debuginfod_client and make it public. 80 812022-05-15 Mark Wielaard <mark@klomp.org> 82 83 * libdwfl.h (dwfl_module_addrinfo): Update docs and nonnull 84 attribute to make clear offset and sym cannot be NULL. 85 862022-04-22 Mark Wielaard <mark@klomp.org> 87 88 * debuginfod-client.c (init_control): New static pthread_once_t. 89 (get_client): Use pthread_once to call __libdwfl_debuginfod_init. 90 (__libdwfl_debuginfod_init): Make static, remove attribute 91 constructor. 92 932022-02-18 Mark Wielaard <mark@klomp.org> 94 95 * image-header.c (__libdw_image_header): Assign header values for 96 magic1, magic2, version, offset, length and sects using memcpy. 97 982022-02-18 Mark Wielaard <mark@klomp.org> 99 100 * offline.c (process_archive_member): Close member if process_file 101 failed. 102 1032022-01-03 Mark Wielaard <mark@klomp.org> 104 105 * link_map.c (dwfl_link_map_report): Only declare d32 and d64 before 106 actual use. 107 1082022-01-03 Mark Wielaard <mark@klomp.org> 109 110 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy 111 dyn_data and set xlatefrom.d_buf to dyns when dyns is not aligned. 112 1132022-01-03 Mark Wielaard <mark@klomp.org> 114 115 * link_map.c (read_addrs): Fix buffer_available nb overflow. 116 1172021-12-23 Mark Wielaard <mark@klomp.org> 118 119 * link_map.c (read_addrs): Calculate addr to read by hand. 120 1212021-12-23 Mark Wielaard <mark@klomp.org> 122 123 * link_map.c (dwfl_link_map_report): Call memcpy and set in.d_buf to 124 out.d_buf before calling xlatetom for unaligned buffers. 125 1262021-12-23 Mark Wielaard <mark@klomp.org> 127 128 * core-file.c (dwfl_elf_phdr_memory_callback): Check start < 129 elf->maximum_size and end - start < minread. 130 1312021-12-20 Mark Wielaard <mark@klomp.org> 132 133 * dwfl_segment_report_module.c (dwfl_segment_report_module): Move 134 and initialize struct elf_build_id build_id early. Only free memory 135 early when no longer needed. Free memory if not NULL at out. 136 1372021-12-19 Mark Wielaard <mark@klomp.org> 138 139 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy 140 data and set xlatefrom.d_buf to notes when data is not aligned. 141 1422021-12-19 Mark Wielaard <mark@klomp.org> 143 144 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy 145 ph_buffer and set xlatefrom.d_buf to phdrsp when ph_buffer is not 146 aligned. 147 1482021-12-19 Mark Wielaard <mark@klomp.org> 149 150 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy 151 buffer and set xlatefrom.d_buf to ehdr when buffer is not aligned. 152 1532021-12-19 Mark Wielaard <mark@klomp.org> 154 155 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 156 notes filesz. Rewrite reading of GElf_Nhdr. 157 1582021-12-08 Mark Wielaard <mark@klomp.org> 159 160 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make sure 161 that dyn_filesz can contain at least one Elf_Dyn and isn't larger than 162 possible. 163 1642021-12-08 Mark Wielaard <mark@klomp.org> 165 166 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make sure 167 that ph_buffer_size has room for at least one phdr. 168 1692021-12-08 Mark Wielaard <mark@klomp.org> 170 171 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make 172 sure the note len increases each iteration. 173 1742021-12-17 Mark Wielaard <mark@klomp.org> 175 176 * libdwflP.h (dwfl_segment_report_module): Add maxread argument. 177 * core-file.c (dwfl_core_file_report): Pass elf->maximum_size to 178 dwfl_segment_report_module. 179 * dwfl_segment_report_module.c (dwfl_segment_report_module): Add 180 maxread argument. Check file_trimmed_end against maxread. 181 1822021-12-16 Mark Wielaard <mark@klomp.org> 183 184 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 185 note data is properly aligned. 186 1872021-12-16 Mark Wielaard <mark@klomp.org> 188 189 * link_map.c (dwfl_link_map_report): Make sure phnum is non-zero. 190 1912021-12-16 Mark Wielaard <mark@klomp.org> 192 193 * link_map.c (dwfl_link_map_report): Make sure dyn_filesz / entsize is 194 non-zero. 195 1962021-12-08 Mark Wielaard <mark@klomp.org> 197 198 * dwfl_segment_report_module.c (dwfl_segment_report_module): Add 199 len overflow check while iterating notes. 200 2012021-12-15 Mark Wielaard <mark@klomp.org> 202 203 * link_map.c (dwfl_link_map_report): Make sure phent is either sizeof 204 Elf32_Phdr or sizeof Elf64_Phdr. Check in.d_size can hold at least one 205 Phdr. 206 2072021-12-12 Mark Wielaard <mark@klomp.org> 208 209 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't 210 allocate more than SIZE_MAX. 211 2122021-12-09 Mark Wielaard <mark@klomp.org> 213 214 * link_map.c (dwfl_link_map_report): Limit dyn_filesz malloc size 215 to max possible. When converting make sure we don't exceed the number 216 of bytes available in either in.d_buf or out.d_buf. 217 2182021-12-08 Mark Wielaard <mark@klomp.org> 219 220 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 221 Dwfl_Module isn't associated with an Elf before installing it. 222 2232021-12-08 Mark Wielaard <mark@klomp.org> 224 225 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't 226 trust e_shentsize. 227 2282021-12-08 Mark Wielaard <mark@klomp.org> 229 230 * link_map.c (dwfl_link_map_report): Make sure phent != 0. 231 2322021-12-08 Mark Wielaard <mark@klomp.org> 233 234 * link_map.c (dwfl_link_map_report): Limit malloc size to max 235 possible. When converting make sure we don't exceed the number 236 of bytes available in either in.d_buf nor out.d_buf. 237 2382021-12-08 Mark Wielaard <mark@klomp.org> 239 240 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't 241 read beyond of (actual) end of (memory) file. 242 2432021-11-18 Matthias Maennich <maennich@google.com> 244 245 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): 246 Add one to modname array size. 247 2482021-02-14 Alexander Miller <alex.miller@gmx.de> 249 250 * core-file.c (dwfl_core_file_report): Move NEW_VERSION before 251 definition. Replace INTDEF with NEW_INTDEF. 252 * dwfl_module_build_id.c (dwfl_module_build_id): Likewise. 253 * dwfl_report_elf.c (dwfl_report_elf): Likewise. 254 2552021-09-06 Dmitry V. Levin <ldv@altlinux.org> 256 257 * linux-pid-attach.c (read_cached_memory): Remove cast of malloc 258 return value. 259 2602021-06-09 Omar Sandoval <osandov@fb.com> 261 262 * link_map.c (read_addrs): Fix potential NULL pointer dereference. 263 2642021-04-19 Martin Liska <mliska@suse.cz> 265 266 * dwfl_frame.c (dwfl_attach_state): Use startswith. 267 * dwfl_module_getdwarf.c (find_symtab): Likewise. 268 * linux-kernel-modules.c: Likewise. 269 * linux-pid-attach.c (linux_proc_pid_is_stopped): Likewise. 270 (dwfl_linux_proc_attach): Likewise. 271 * relocate.c (resolve_symbol): Likewise. 272 (relocate_section): Likewise. 273 2742021-02-01 Érico Nogueira <ericonr@disroot.org> 275 276 * dwfl_error.c (strerror_r): Only use the GNU version when available. 277 2782021-01-08 Timm Bäder <tbaeder@redhat.com> 279 280 * elf-from-memory.c (elf_from_remote_memory): Add for loop over 281 switch. inline handle_segment call, set vaddr, offset and filesz 282 directly based on class. 283 2842021-01-08 Timm Bäder <tbaeder@redhat.com> 285 286 * elf-from-memory.c (elf_from_remote_memory): Use if instead of 287 switch on class. Set new vaddr, memsz, offset and filesz 288 variables. Inline handle_segment function check and set loadbase, 289 found_base, segments_end and segments_end_mem directly. 290 2912020-12-16 Dmitry V. Levin <ldv@altlinux.org> 292 293 * argp-std.c (_): Remove. 294 * libdwflP.h (_): Likewise. 295 2962020-12-12 Dmitry V. Levin <ldv@altlinux.org> 297 298 * libdwfl.h: Fix spelling typos in comments. 299 * dwfl_module_getdwarf.c (open_elf, find_symtab): Likewise. 300 * dwfl_report_elf.c (__libdwfl_elf_address_range): Likewise. 301 * linux-pid-attach.c (read_cached_memory): Likewise. 302 3032020-12-07 Timm Bäder <tbaeder@redhat.com> 304 305 * link_map.c (report_r_debug): Pull read_addrs() function into 306 file scope. 307 3082020-12-07 Timm Bäder <tbaeder@redhat.com> 309 310 * link_map.c (report_r_debug): Pull release_buffer() function into 311 file scope. Add memory_closure struct. 312 3132020-12-08 Dmitry V. Levin <ldv@altlinux.org> 314 315 * debuginfod-client.c (__libdwfl_debuginfod_init): Replace 316 "libdebuginfod-" VERSION ".so" with DEBUGINFOD_SONAME in dlopen call. 317 Do not fall back to dlopen of "libdebuginfod.so". 318 3192020-12-01 Timm Bäder <tbaeder@redhat.com> 320 321 * link_map.c (dwfl_link_map_report): Removed consider_phdr function 322 and inline code. 323 3242020-11-28 Mark Wielaard <mark@klomp.org> 325 326 * dwfl_segment_report_module.c (dwfl_segment_report_module): 327 Use GElf_Addr to calculate note_vaddr instead of size_t. 328 3292020-11-26 Timm Bäder <tbaeder@redhat.com> 330 331 * dwfl_segment_report_module.c (dwfl_segment_report_module): 332 Remove consider_notes function. Inline code for type == PT_NOTE. 333 3342020-11-26 Timm Bäder <tbaeder@redhat.com> 335 336 * dwfl_segment_report_module.c (read_portion): New static function. 337 (dwfl_segment_report_module): Remove read_portion function. 338 Call static function with read_state, start and segment. 339 3402020-11-26 Timm Bäder <tbaeder@redhat.com> 341 342 * dwfl_segment_report_module.c (struct read_state): New. 343 (finish_portion): New static function. 344 (dwfl_segment_report_module): Introduce read_state. Remove 345 finish_portion function. Call static function with read_state. 346 3472020-11-23 Timm Bäder <tbaeder@redhat.com> 348 349 * segment_report_module.c (dwfl_segment_report_module): Remove 350 consider_phdr, do checks inline. 351 3522020-11-23 Timm Bäder <tbaeder@redhat.com> 353 354 * segment_report_module.c (dwfl_segment_report_module): Remove 355 consider_dyn, do checks inline. 356 3572020-11-23 Timm Bäder <tbaeder@redhat.com> 358 359 * segment_report_module.c (dwfl_segment_report_module): Do one 360 loop check for d32/d64 arrays. 361 3622020-11-23 Timm Bäder <tbaeder@redhat.com> 363 364 * segment_report_module.c (dwfl_segment_report_module): Remove 365 read_phdr, do check and call memory_callback directly. 366 3672020-11-23 Timm Bäder <tbaeder@redhat.com> 368 369 * segment_report_module.c (dwfl_segment_report_module): Do one 370 loop check for p32/p64 arrays. 371 3722020-11-23 Timm Bäder <tbaeder@redhat.com> 373 374 * segment_report_module.c (dwfl_segment_report_module): Remove 375 final_read, call memory_callback directly. 376 3772020-11-23 Timm Bäder <tbaeder@redhat.com> 378 379 * segment_report_module.c (struct elf_build_id): New. 380 (dwfl_segment_report_module): Pass build_id as struct. 381 3822020-11-23 Timm Bäder <tbaeder@redhat.com> 383 384 * segment_report_module.c (dwfl_segment_report_module): Remove 385 release_buffer, call memory_callback directly. 386 3872020-11-23 Timm Bäder <tbaeder@redhat.com> 388 389 * segment_report_module.c (dwfl_segment_report_module): Remove 390 segment_read, call memory_callback directly. 391 3922020-11-19 Andreas Krebbel <krebbel@linux.ibm.com> 393 394 * linux-pid-attach.c (pid_memory_read): Shift the upper 4 bytes 395 down on big endian 64 bit targets. 396 3972020-11-12 Timm Bäder <tbaeder@redhat.com> 398 399 * dwfl_segment_report_module.c (dwfl_segment_report_module): Remove 400 finish function, replace with goto out. 401 4022020-11-12 Timm Bäder <tbaeder@redhat.com> 403 404 * dwfl_segment_report_module.c (dwfl_segment_report_module): Declare 405 p32 and p64 as pointers instead of arrays. 406 4072020-09-18 Mark Wielaard <mark@klomp.org> 408 409 * zstd.c: New file. 410 * libdwflP.h: Add DWFL_E_ZSTD and __libdw_unzstd. 411 * Makefile.am (libdwfl_a_SOURCES): add zstd.c if ZSTD. 412 * gzip.c: Add defines and includes for ZSTD. 413 (zlib_fail): Don't define for ZSTD. 414 (unzip): Change pread_retry failure from zlib_fail to fail. 415 Add ZSTD support. 416 * open.c (decompress): Also try __libdw_unzstd. 417 * linux-kernel-modules.c (check_suffix): Also TRY ".ko.zst". 418 4192020-08-20 Dmitry V. Levin <ldv@altlinux.org> 420 421 * Makefile.am (libdwfl_a_SOURCES): Conditionalize 422 debuginfod-client.c on LIBDEBUGINFOD. 423 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Conditionalize 424 __libdwfl_debuginfod_find_executable invocation on 425 ENABLE_LIBDEBUGINFOD. 426 * dwfl_end.c (dwfl_end): Conditionalize __libdwfl_debuginfod_end 427 invocation on ENABLE_LIBDEBUGINFOD. 428 * find-debuginfo.c (dwfl_standard_find_debuginfo): Conditionalize 429 __libdwfl_debuginfod_find_debuginfo invocation on 430 ENABLE_LIBDEBUGINFOD. 431 * libdwflP.h: Guard debuginfod.h include with ENABLE_LIBDEBUGINFOD. 432 (struct Dwfl): Guard debuginfod field with ENABLE_LIBDEBUGINFOD. 433 (__libdwfl_debuginfod_find_executable, 434 __libdwfl_debuginfod_find_debuginfo, __libdwfl_debuginfod_end): 435 Guard declarations with ENABLE_LIBDEBUGINFOD. 436 4372020-07-05 Mark Wielaard <mark@klomp.org> 438 439 * argp-std.c (parse_opt): Don't assert, but call fail when 440 dwfl_report_end fails. 441 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't 442 assert, but goto bad_id when snprintf fails. 443 * frame_unwind.c (__libdwfl_frame_unwind): Don't assert, but 444 return when dwfl_frame_pc fails. 445 * linux-core-attach.c (core_set_initial_registers): Don't assert, 446 but return false when gelf_getnote fails or the core note is not 447 as expected. 448 * linux-pid-attach.c (dwfl_linux_proc_attach): Don't assert, but 449 goto fail when snprintf fails. 450 4512020-06-16 Mark Wielaard <mark@klomp.org> 452 453 * frame_unwind.c (handle_cfi): Flag an error if 454 return_address_register is invalid. 455 4562020-06-16 Mark Wielaard <mark@klomp.org> 457 458 * linux-kernel-modules.c (try_kernel_name): Don't try other 459 compressed kernels if we already found an compressed image. 460 4612020-05-09 Mark Wielaard <mark@klomp.org> 462 463 * find-debuginfo.c (dwfl_standard_find_debuginfo): Return failure 464 when mod is NULL. 465 4662020-05-08 Mark Wielaard <mark@klomp.org> 467 468 * libdwfl/core-file.c (dwfl_core_file_report): Keep track of 469 new bool cleanup_user_core and cleanup dwfl->user_core in error 470 case. 471 4722020-04-30 Mark Wielaard <mark@klomp.org> 473 474 * find-debuginfo.c (dwfl_standard_find_debuginfo): When mod->dw 475 is already set then try fetching debugaltlink. 476 4772020-04-25 Mark Wielaard <mark@klomp.org> 478 479 * gzip.c (open_stream): Return DWFL_E_NOMEM instead of calling 480 zlib_fail. 481 4822020-04-16 Mark Wielaard <mark@klomp.org> 483 484 * find-debuginfo.c (dwfl_standard_find_debuginfo): Initialize bits 485 to NULL. 486 4872020-01-24 Mark Wielaard <mark@klomp.org> 488 489 * linux-kernel-modules.c (find_kernel_elf): Check release isn't NULL. 490 (report_kernel): Check release and *release aren't NULL. 491 (report_kernel_archive): Likewise. 492 4932019-12-11 Omar Sandoval <osandov@fb.com> 494 495 * libdwflP.h (Dwfl_Module): Remove coalescing state. 496 Rename lookup_tail_ndx to next_segndx. 497 * segment.c (dwfl_report_segment): Remove coalescing logic. 498 * libdwfl.h (dwfl_report_segment): Document that IDENT is ignored. 499 5002019-12-05 Mark Wielaard <mark@klomp.org> 501 502 * linux-kernel-modules.c (find_kernel_elf): Also try to find 503 vmlinux image. 504 5052019-10-28 Aaron Merey <amerey@redhat.com> 506 507 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Call debuginfod 508 client functions via dlopen to look for elf/dwarf files as fallback. 509 * find-debuginfo.c (dwfl_standard_find_debuginfo): Ditto. 510 5112019-10-07 Omar Sandoval <osandov@fb.com> 512 513 * dwfl_frame.c (dwfl_getthreads): Get rid of unnecessary 514 thread_free_all_states calls. 515 (getthread): Ditto. 516 (state_free): Remove function. 517 (thread_free_all_states): Remove function. 518 (free_states): Add function. 519 (dwfl_thread_getframes): Don't update thread->unwound while unwinding. 520 * libdwflP.h (struct Dwfl_Thread): Update comment for unwound member. 521 5222019-08-12 Mark Wielaard <mark@klomp.org> 523 524 * gzip.c (open_stream): Return DWFL_E_ERRNO on bad file operation. 525 * open.c (libdw_open_elf): New argument bad_elf_ok. Check it and 526 return DWFL_E_NOERROR in case it is set and error was DWFL_E_BADELF. 527 (__libdw_open_file): Call libdw_open_elf with bad_elf_ok false. 528 (__libdw_open_elf): Call libdw_open_elf with bad_elf_ok true. 529 5302019-08-05 Omar Sandoval <osandov@fb.com> 531 532 * dwfl_segment_report_module.c (dwfl_segment_report_module): Assign 533 mod->main.fd. 534 5352019-04-28 Mark Wielaard <mark@klomp.org> 536 537 * frame_unwind.c (expr_eval): Make sure we left shift a unsigned 538 64bit value. 539 5402019-04-28 Mark Wielaard <mark@klomp.org> 541 542 * cu.c (addrarange): Only call realloc when naranges is not zero. 543 5442019-03-27 Mark Wielaard <mark@klomp.org> 545 546 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 547 ph_buffer_size vs xlatefrom.d_size after read_portion call. 548 5492019-02-24 Mark Wielaard <mark@klomp.org> 550 551 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before 552 fopen. 553 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm. 554 5552019-01-25 Yonghong Song <yhs@fb.com> 556 557 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to 558 read the inode number. 559 5602019-01-20 Mark Wielaard <mark@klomp.org> 561 562 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 563 dyn_filesz vs dyn_data_size after read_portion call. 564 5652019-01-16 Mark Wielaard <mark@klomp.org> 566 567 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note. 568 (core_set_initial_registers): Likewise. 569 5702018-10-23 Mark Wielaard <mark@klomp.org> 571 572 * relocate.c (relocate_section): Only sanity check mmapped Elf files 573 for overlap. Don't error when section data was malloced, not mmapped. 574 5752018-10-20 Mark Wielaard <mark@klomp.org> 576 577 * libdwflP.h (__libdw_open_elf): New internal function declaration. 578 * open.c (what_kind): Rename close_fd to may_close_fd. 579 (__libdw_open_file): Replaced (and renamed) by a call to ... 580 (libdw_open_elf): this. And add never_close_fd argument. 581 (__libdw_open_elf): New function that calls libdw_open_elf. 582 5832018-10-18 Mark Wielaard <mark@klomp.org> 584 585 * dwfl_segment_report_module.c (consider_note): Take align as new 586 argument. Use align to set d_type and calculate padding. 587 (dwfl_segment_report_module): Pass align to consider_notes. 588 * core-file.c (dwfl_core_file_report): Check p_align to set ELF 589 type. 590 * linux-kernel-modules.c (check_notes): Check name and type of note 591 to determine padding. 592 5932018-10-19 Mark Wielaard <mark@klomp.org> 594 595 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero. 596 5972018-10-14 Mark Wielaard <mark@klomp.org> 598 599 * dwfl_segment_report_module.c (read_portion): Check requested 600 filesz isn't larger than buffer_available. 601 (dwfl_segment_report_module): Check data_size vs filesz after 602 read_portion call. 603 6042018-10-02 Andreas Schwab <schwab@suse.de> 605 606 * relocate.c (relocate): Handle ADD/SUB relocations. 607 6082018-09-13 Mark Wielaard <mark@klomp.org> 609 610 * dwfl_segment_report_module.c (dwfl_segment_report_module): 611 Document why we use e_shnum directly. 612 * elf-from-memory.c (elf_from_remote_memory): Likewise. 613 6142018-07-17 Ulf Hermann <ulf.hermann@qt.io> 615 616 * linux-pid-attach.c: Include sys/uio.h only on linux. 617 6182018-06-04 Mark Wielaard <mark@klomp.org> 619 620 * libdwflP.h (__libdwfl_addrsym): Remove function declaration. 621 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function. 622 6232018-05-27 Mark Wielaard <mark@klomp.org> 624 625 * relocate.c (__libdwfl_relocate): Always call relocate_section with 626 partial true. 627 6282018-05-17 Mark Wielaard <mark@klomp.org> 629 630 * dwfl_module (__libdwfl_module_free): Free elfdir. 631 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after 632 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the 633 main module file and we recorded the elfdir. 634 * libdwflP.h (struct Dwfl_Module): Add elfdir field. 635 * offline.c (process_elf): Record the elfdir before we close the 636 main ELF file descriptor. 637 6382018-04-10 Mark Wielaard <mark@klomp.org> 639 640 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for 641 the return address either set an error or mark the pc undefined. 642 6432018-03-17 Mark Wielaard <mark@klomp.org> 644 645 * libdwflP.h (struct __libdwfl_remote_mem_cache): New. 646 (struct __libdwfl_pid_arg): Add mem_cache field. 647 * linux-pid-attach.c (read_cached_memory): New function. 648 (clear_cached_memory): Likewise. 649 (pid_memory_read): Call read_cached_memory. 650 (pid_detach): Free mem_cache. 651 (pid_thread_detach): Call clear_cached_memory. 652 (dwfl_linux_proc_attach): Initialize mem_cache to NULL. 653 6542018-03-05 Mark Wielaard <mark@klomp.org> 655 656 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use 657 realpath (name, NULL) instead of canonicalize_file_name (name). 658 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise. 659 6602018-01-29 Mark Wielaard <mark@klomp.org> 661 662 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of 663 DIE_OFFSET_FROM_CU_OFFSET. 664 (intern_cu): Simply use a copy of the given die CU as key instead of 665 trying to construct a dummy one by hand. 666 6672018-02-15 Mark Wielaard <mark@klomp.org> 668 669 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h. 670 6712018-02-09 Joshua Watt <JPEWhacker@gmail.com> 672 673 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH 674 macro instead of comment. 675 * frame_unwind.c (expr_eval): Likewise. 676 6772017-11-20 Mark Wielaard <mark@klomp.org> 678 679 * link_map.c (do_check64): Take a char * and calculate type and val 680 offsets before reading, possibly unaligned, values. 681 (do_check32): Likewise. 682 (check64): Remove define. 683 (check32): Likewise. 684 (auxv_format_probe): Call do_check32 and do_check64 directly with 685 a, possibly unaligned, auxv entry pointer. 686 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a 687 possibly unaligned auxv entry pointer. 688 6892017-10-16 Mark Wielaard <mark@klomp.org> 690 691 * argp-std.c (parse_opt): For -k call argp_failure not failure to 692 keep dwfl around. 693 6942017-07-26 Yunlian Jiang <yunlian@google.com> 695 696 * argp-std.c (failure): Move to file scope. 697 (fail): Likewise. 698 6992017-04-20 Ulf Hermann <ulf.hermann@qt.io> 700 Mark Wielaard <mark@klomp.org> 701 702 * derelocate.c (compare_secrefs): Compare by end address and then by 703 section number if addresses are equal. 704 7052017-04-20 Ulf Hermann <ulf.hermann@qt.io> 706 Mark Wielaard <mark@klomp.org> 707 708 * linux-kernel-modules.c: Always return NULL from kernel_release() on 709 non-linux systems and set errno to ENOTSUP. 710 7112017-04-20 Ulf Hermann <ulf.hermann@qt.io> 712 713 * libdwflP.h: Don't include config.h. 714 * argp-std.c: Include config.h. 715 * cu.c: Likewise. 716 * derelocate.c: Likewise. 717 * dwfl_addrdie.c: Likewise. 718 * dwfl_addrdwarf.c: Likewise. 719 * dwfl_addrmodule.c: Likewise. 720 * dwfl_begin.c: Likewise. 721 * dwfl_build_id_find_debuginfo.c: Likewise. 722 * dwfl_build_id_find_elf.c: Likewise. 723 * dwfl_cumodule.c: Likewise. 724 * dwfl_dwarf_line.c: Likewise. 725 * dwfl_end.c: Likewise. 726 * dwfl_frame.c: Likewise. 727 * dwfl_frame_regs.c: Likewise. 728 * dwfl_getdwarf.c: Likewise. 729 * dwfl_getmodules.c: Likewise. 730 * dwfl_getsrc.c: Likewise. 731 * dwfl_getsrclines.c: Likewise. 732 * dwfl_line_comp_dir.c: Likewise. 733 * dwfl_linecu.c: Likewise. 734 * dwfl_lineinfo.c: Likewise. 735 * dwfl_linemodule.c: Likewise. 736 * dwfl_module.c: Likewise. 737 * dwfl_module_addrdie.c: Likewise. 738 * dwfl_module_addrname.c: Likewise. 739 * dwfl_module_addrsym.c: Likewise. 740 * dwfl_module_build_id.c: Likewise. 741 * dwfl_module_dwarf_cfi.c: Likewise. 742 * dwfl_module_eh_cfi.c: Likewise. 743 * dwfl_module_getdarf.c: Likewise. 744 * dwfl_module_getelf.c: Likewise. 745 * dwfl_module_getsrc.c: Likewise. 746 * dwfl_module_getsrc_file.c: Likewise. 747 * dwfl_module_getsym.c: Likewise. 748 * dwfl_module_info.c: Likewise. 749 * dwfl_module_nextcu.c: Likewise. 750 * dwfl_module_register_names.c: Likewise. 751 * dwfl_module_report_build_id.c: Likewise. 752 * dwfl_module_return_value_location.c: Likewise. 753 * dwfl_nextcu.c: Likewise. 754 * dwfl_onesrcline.c: Likewise. 755 * dwfl_report_elf.c: Likewise. 756 * dwfl_validate_address.c: Likewise. 757 * dwfl_version.c: Likewise. 758 * find-debuginfo.c: Likewise. 759 * gzip.c: Likewise. 760 * image-header.c: Likewise. 761 * lines.c: Likewise. 762 * linux-core-attach.c: Likewise. 763 * linux-pid-attach.c: Likewise. 764 * offline.c: Likewise. 765 * open.c: Likewise. 766 * relocate.c: Likewise. 767 * segment.c: Likewise. 768 7692017-04-20 Ulf Hermann <ulf.hermann@qt.io> 770 771 * libdwfl.h: Use __const_attribute__. 772 7732017-04-20 Ulf Hermann <ulf.hermann@qt.io> 774 775 * elf-from-memory.c: Explicitly cast phnum to size_t. 776 7772017-04-20 Ulf Hermann <ulf.hermann@qt.io> 778 779 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from 780 it. 781 7822017-04-20 Ulf Hermann <ulf.hermann@qt.io> 783 784 * dwfl_frame.c: Drop unused sys/ptrace.h include. 785 * frame_unwind.c: Likewise. 786 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on 787 linux. 788 7892017-04-20 Ulf Hermann <ulf.hermann@qt.io> 790 791 * linux-kernel-modules.c: Include sys/types.h before fts.h 792 7932017-03-24 Mark Wielaard <mark@klomp.org> 794 795 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then 796 the note name data is the empty string. 797 (dwfl_core_file_attach): Likewise. 798 7992017-02-15 Ulf Hermann <ulf.hermann@qt.io> 800 801 * linux-kernel-modules.c: Include system.h. 802 8032017-02-15 Ulf Hermann <ulf.hermann@qt.io> 804 805 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size. 806 * linux-proc-maps.c: Likewise. 807 8082016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com> 809 810 * dwfl_build_id_find_elf.c: Include system.h. 811 * dwfl_module_getdwarf.c: Likewise. 812 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H. 813 8142016-11-23 Mark Wielaard <mjw@redhat.com> 815 816 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is 817 defined. 818 8192016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> 820 821 * core-file.c: Remove sys/param.h. 822 * dwfl_segment_report_module.c: Likewise. Add system.h include. 823 (MAX): Remove definition. 824 * frame_unwind.c: Add system.h include. 825 (MAX): Remove definition. 826 * linux-core-attach.c (MIN): Remove definition. 827 * linux-pid-attach.c (MAX): Likewise. 828 8292016-08-12 Mark Wielaard <mjw@redhat.com> 830 831 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size. 832 8332016-04-14 Mark Wielaard <mjw@redhat.com> 834 835 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match 836 on invalid DWARF if we allocated it. 837 8382016-04-14 Mark Wielaard <mjw@redhat.com> 839 840 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file 841 mapping. 842 8432016-03-01 Steven Chamberlain <steven@pyro.eu.org> 844 845 * linux-pid-attach.c: Removed unused pid_thread_callbacks, 846 pid_thread_detach, pid_detach, pid_set_initial_registers, 847 pid_memory_read, pid_getthread, pid_next_thread in #ifndef 848 __linux__ code. 849 8502016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> 851 Mark Wielaard <mjw@redhat.com> 852 853 * find-debuginfo.c (find_debuginfo_in_path): Remember whether 854 debuglink_file is NULL. Try file basename (without .debug) ofr 855 absolute and relative path if debug_file was NULL. 856 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call 857 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with 858 basename of fname. 859 8602016-02-13 Mark Wielaard <mjw@redhat.com> 861 862 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC. 863 8642016-02-13 Mark Wielaard <mjw@redhat.com> 865 866 * frame_unwind.c (new_unwound): Check and return unwound. 867 (handle_cfi): Check new_unwound was able to allocate new memory 868 before use. Return DWFL_E_NOMEM otherwise. 869 8702016-02-11 Mark Wielaard <mjw@redhat.com> 871 872 * relocate.c (relocate_section): Check result of all gelf_get* calls. 873 (__libdwfl_relocate): Likewise. 874 (__libdwfl_relocate_section): Likewise. 875 8762016-02-11 Mark Wielaard <mjw@redhat.com> 877 878 * relocate.c (relocate_section): Check result of gelf_update_* calls. 879 8802016-01-08 Mark Wielaard <mjw@redhat.com> 881 882 * libdwfl_a_SOURCES: Unconditionally add gzip.c. 883 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least 884 .gz support. 885 (try_kernel_name): Likewise. 886 (check_suffix): Likewise. 887 * open.c (decompress): Likewise. 888 8892015-12-18 Mark Wielaard <mjw@redhat.com> 890 891 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym 892 sections and aux_str, aux_xndx and aux_sym sections if necessary. 893 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx 894 if necessary. 895 (resolve_symbol): Uncompress strtab section if necessary. 896 (relocate_section): Uncompress the section the relocations apply to 897 if necessary. 898 8992015-11-18 Chih-Hung Hsieh <chh@google.com> 900 901 * linux-proc-maps.c (proc_maps_report): Move nested function 902 'report' to file scope. 903 9042015-11-18 Chih-Hung Hsieh <chh@google.com> 905 906 * core-file.c (elf_begin_rand): Move nested function 'fail' to file 907 scope. 908 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions 909 'update_end' and 'more' to file scope. 910 9112015-11-17 Chih-Hung Hsieh <chh@google.com> 912 913 * link_map.c (auxv_format_probe): Move nested functions 914 check64 and check32 to file scope. 915 9162015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com> 917 918 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to 919 the value of the return address register as defined by the CFI 920 abi. 921 * frame_unwind.c (handle_cfi): Likewise. 922 9232015-12-01 Mark Wielaard <mjw@redhat.com> 924 925 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes 926 from exec or memory_callback, free as appropriate. 927 9282015-12-01 Mark Wielaard <mjw@redhat.com> 929 930 * libdwflP.h (struct Dwfl_User_Core): New. 931 (struct DWfl): Replace executable_for_core with user_core. 932 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core. 933 * core-file.c (dwfl_core_file_report): Check and store 934 executable_for_core in Dwfl user_core. 935 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use 936 executable_for_core in Dwfl user_core. 937 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core. 938 * link-map.c (report_r_debug): Check executable_for_core in Dwfl 939 user_core. 940 (dwfl_link_map_report): Likewise. 941 9422015-11-16 Chih-Hung Hsieh <chh@google.com> 943 944 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested 945 function 'consider_shdr' to file scope. 946 * dwfl_module_getdwarf.c (find_dynsym): Move nested function 947 'translate_offs' to file scope. 948 9492015-11-16 Chih-Hung Hsieh <chh@google.com> 950 951 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions 952 'same_section', 'binding_value', 'try_sym_value', and 'search_table' 953 to file scope. 954 9552015-11-19 Mark Wielaard <mjw@redhat.com> 956 957 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from 958 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and 959 dwarf_cfi_end. 960 9612015-11-13 Chih-Hung Hsieh <chh@google.com> 962 963 * gzip.c (unzip): Move nested functions to file scope. 964 9652015-10-21 Chih-Hung Hsieh <chh@google.com> 966 Mark Wielaard <mjw@redhat.com> 967 968 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested 969 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to 970 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't 971 use INTUSE. 972 9732015-10-21 Chih-Hung Hsieh <chh@google.com> 974 975 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop' 976 to file scope. Pass used local variables in struct eval_stack. 977 9782015-10-21 Chih-Hung Hsieh <chh@google.com> 979 980 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to 981 file scope. 982 9832015-10-09 Josh Stone <jistone@redhat.com> 984 985 * core-file.c (elf_begin_rand): Replace loff_t with off_t. 986 * open.c (decompress): Replace off64_t with off_t. 987 * gzip.c (unzip): Likewise. 988 * image-header.c (__libdw_image_header): Likewise. 989 * libdwflP.h: Likewise in function declarations. 990 * argp-std.c (parse_opt): Replace open64 with open. 991 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id, 992 dwfl_build_id_find_elf): Likewise. 993 * dwfl_module_getdwarf.c (open_elf_file): Likewise. 994 * dwfl_report_elf.c (dwfl_report_elf): Likewise. 995 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 996 * link_map.c (report_r_debug): Likewise. 997 * offline.c (dwfl_report_offline): Likewise. 998 * linux-proc-maps.c (grovel_auxv, get_pid_class, 999 dwfl_linux_proc_find_elf): Likewise. 1000 (read_proc_memory): Replace off64_t with off_t. 1001 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and 1002 fstat64 with stat and fstat. 1003 (try_open): Likewise, and replace open64 with open. 1004 * linux-kernel-modules.c: Manually define open and fopen to open64 and 1005 fopen64 when needed, since the early fts.h include breaks that. 1006 (try_kernel_name): Replace open64 with open. 1007 (check_notes): Likewise. 1008 10092015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com> 1010 1011 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of 1012 pread, as the later doesn't accept negative offsets. 1013 10142015-10-07 Mark Wielaard <mjw@redhat.com> 1015 1016 * dwfl_module_getdwarf.c (MAX): Removed. 1017 (find_prelink_address_sync): Allocate exact amount of bytes for 1018 phdrs and shdrs. 1019 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1020 Likewise for phdrs. 1021 * elf-from-memory.c (MAX): Removed. 1022 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs. 1023 10242015-10-05 Chih-Hung Hsieh <chh@google.com> 1025 1026 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use 1027 union of variable length arrays. 1028 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 1029 * elf-from-memory.c (elf_from_remote_memory): Likewise. 1030 * link_map.c (auxv_format_probe): Likewise. 1031 * link_map.c (report_r_debug): Likewise. 1032 * link_map.c (dwfl_link_map_report): Likewise. 1033 10342015-09-18 Chih-Hung Hsieh <chh@google.com> 1035 1036 * relocate.c (relocate_section): Move nested function "relocate" 1037 to file scope, pass all used local variables as constants. 1038 Move nested "check_badreltype" to file scope, pass addresses of 1039 updated used local variables. 1040 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function 1041 "read_address" to file scope, pass all updated local variables in 1042 a state structure. 1043 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested 1044 function "subst_name" to file scope, pass all used local variables 1045 as constants. 1046 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace 1047 simple nested function "report" with a macro. Work around gcc static 1048 analysis error -Werror=maybe-uninitialized. 1049 10502015-09-22 Mark Wielaard <mjw@redhat.com> 1051 1052 * core-file.c: Remove old-style function definitions. 1053 * dwfl_error.c: Likewise. 1054 * dwfl_module_dwarf_cfi.c: Likewise. 1055 * dwfl_module_eh_cfi.c: Likewise. 1056 * dwfl_module_register_names.c: Likewise. 1057 * dwfl_module_return_value_location.c: Likewise. 1058 * dwfl_version.c: Likewise. 1059 10602015-09-09 Chih-Hung Hsieh <chh@google.com> 1061 Mark Wielaard <mjw@redhat.com> 1062 1063 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests 1064 on parameters declared with __nonnull_attribute__. 1065 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as 1066 nonnull. 1067 10682015-09-08 Mark Wielaard <mjw@redhat.com> 1069 1070 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd. 1071 * linux-pid-attach.c (pid_detach): Call elf_end and close. 1072 (dwfl_linux_proc_attach): Open and save /proc/PID/exe. 1073 10742015-09-04 Chih-Hung Hsieh <chh@google.com 1075 1076 * frame_unwind.c (expr_eval): Use llabs instead of abs. 1077 10782015-08-14 Dodji Seketeli <dodji@seketeli.org> 1079 1080 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the 1081 debug info file named debuglink_file under 1082 mod->dwfl->callbacks->debuginfo_path, by looking at 1083 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path 1084 which is common to the set of non-absolute parent trees of 1085 file_name. 1086 10872015-06-18 Mark Wielaard <mjw@redhat.com> 1088 1089 * find-debuginfo.c (try_open): Free fname on all failure paths. 1090 10912015-06-18 Mark Wielaard <mjw@redhat.com> 1092 1093 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and 1094 sh_entsize is not zero. 1095 10962015-06-06 Mark Wielaard <mjw@redhat.com> 1097 1098 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath, 1099 localname and file_dirname. 1100 11012015-06-06 Mark Wielaard <mjw@redhat.com> 1102 1103 * derelocate.c (cache_sections): Free sortrefs. 1104 11052015-06-05 Mark Wielaard <mjw@redhat.com> 1106 1107 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1108 If the note_file exists, but the build_id doesn't match discard 1109 the file and continue reporting. 1110 11112015-06-01 Mark Wielaard <mjw@redhat.com> 1112 1113 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path 1114 pointer before passing to strsep. 1115 11162015-05-30 Mark Wielaard <mjw@redhat.com> 1117 1118 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read 1119 type and value. 1120 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read 1121 addresses. 1122 11232015-05-30 Mark Wielaard <mjw@redhat.com> 1124 1125 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is 1126 not NULL before calling canonicalize_file_name. 1127 11282015-05-24 Mark Wielaard <mjw@redhat.com> 1129 1130 * derelocate.c (check_module): Check mod is not NULL. 1131 11322015-05-22 Mark Wielaard <mjw@redhat.com> 1133 1134 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with 1135 malloc instead of stack allocating. Call free when done with data. 1136 11372015-05-22 Mark Wielaard <mjw@redhat.com> 1138 1139 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1140 Allocate phdrs with malloc, not on stack. free in finish. 1141 Allocate dyn with malloc, not on stack, free after use. 1142 11432015-05-22 Mark Wielaard <mjw@redhat.com> 1144 1145 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup, 1146 instead of alloca or strdupa, local strings of unknown size. 1147 Call free before return. 1148 11492015-05-22 Mark Wielaard <mjw@redhat.com> 1150 1151 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return 1152 error when id_len too small or too large. strdup, not strdupa, 1153 and free path when done. 1154 11552015-05-19 Mark Wielaard <mjw@redhat.com> 1156 1157 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all 1158 phdrs on the stack. Allocate with malloc and free when done. 1159 11602015-05-19 Mark Wielaard <mjw@redhat.com> 1161 1162 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and 1163 free alternate_name. 1164 11652015-05-19 Mark Wielaard <mjw@redhat.com> 1166 1167 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't 1168 stack allocate name. Only change chars up to suffix. 1169 11702015-05-18 Mark Wielaard <mjw@redhat.com> 1171 1172 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate 1173 phdrs and shdrs unions with malloc, not alloca. Free after use. 1174 11752015-05-18 Mark Wielaard <mjw@redhat.com> 1176 1177 * derelocate.c (cache_sections): Allocate temporary newrefs and 1178 sortrefs with malloc, not alloca. Always free them on return. 1179 11802015-05-07 Mark Wielaard <mjw@redhat.com> 1181 1182 * cu.c (intern_cu): Check for EOF and check cuoff points to a real 1183 Dwarf_Die before interning. Explicitly check EOF is expected. 1184 11852015-05-05 Mark Wielaard <mjw@redhat.com> 1186 1187 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid. 1188 11892015-05-06 Roland McGrath <roland@hack.frob.com> 1190 1191 * dwfl_error.c (struct msgtable): Break type definition out of 1192 the 'msgtable' initializer. 1193 (msgtable): Make it a union of struct msgtable and a char array. 1194 (msgstr): Use the full-table char array rather than the msg_0 entry. 1195 11962015-04-23 Max Filippov <jcmvbkbc@gmail.com> 1197 1198 * core-file.c (_compat_without_executable_dwfl_core_file_report): 1199 Guard with SYMBOL_VERSIONING. 1200 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id): 1201 Likewise. 1202 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf): 1203 Likewise. 1204 12052015-04-02 Mark Wielaard <mjw@redhat.com> 1206 1207 * segment.c (insert): Check correct number of lookup_elts. 1208 12092015-03-31 Mark Wielaard <mjw@redhat.com> 1210 1211 * core-file.c (core_file_read_eagerly): Special case small images. 1212 12132015-01-26 Mark Wielaard <mjw@redhat.com> 1214 1215 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata, 1216 syments and first_global on elferr before calling find_dynsym. 1217 12182014-12-27 Mark Wielaard <mjw@redhat.com> 1219 1220 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that 1221 has end_sequence set. 1222 12232015-01-04 Mark Wielaard <mjw@redhat.com> 1224 1225 * cu.c (intern_cu): Store result and return directly when finding 1226 EOF marker. 1227 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1. 1228 12292014-12-19 Mark Wielaard <mjw@redhat.com> 1230 1231 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last. 1232 12332014-12-19 Mark Wielaard <mjw@redhat.com> 1234 1235 * elf-from-memory.c (handle_segment): Remove palign sanity check. 1236 12372014-12-18 Mark Wielaard <mjw@redhat.com> 1238 1239 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL. 1240 12412014-12-13 Mark Wielaard <mjw@redhat.com> 1242 1243 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes 1244 a size_t, make sure it doesn't overflow. 1245 12462014-12-13 Mark Wielaard <mjw@redhat.com> 1247 1248 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't 1249 wrap around before returning as int. 1250 12512014-12-11 Josh Stone <jistone@redhat.com> 1252 1253 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line 1254 record <= addr, rather than returning immediately on matches. 1255 12562014-12-09 Mark Wielaard <mjw@redhat.com> 1257 1258 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't 1259 overflow. 1260 12612014-12-07 Mark Wielaard <mjw@redhat.com> 1262 1263 * relocate.c (relocate_section): Sanity check section overlap against 1264 actually used ehsize, shentsize and phentsize. 1265 12662014-12-07 Mark Wielaard <mjw@redhat.com> 1267 1268 * offline.c (dwfl_offline_section_address): Assert shndx is not zero. 1269 * relocate.c (__libdwfl_relocate_value): Don't relocate against 1270 section zero. 1271 12722014-11-29 Mark Wielaard <mjw@redhat.com> 1273 1274 * relocate.c (relocate_section): Check relocation section and target 1275 section data don't overlap any of the ELF headers. 1276 (relocate): Check for offset + size overflow. 1277 12782014-11-22 Mark Wielaard <mjw@redhat.com> 1279 1280 * link_map.c (consider_executable): Use elf_getphdrnum. 1281 (dwfl_link_map_report): Likewise. 1282 12832014-11-18 Mark Wielaard <mjw@redhat.com> 1284 1285 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer, 1286 number of symbols and first_global before use. 1287 12882014-11-14 Mark Wielaard <mjw@redhat.com> 1289 1290 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have 1291 a zero sh_entsize. 1292 12932014-11-10 Mark Wielaard <mjw@redhat.com> 1294 1295 * dwfl_module_getdwarf.c (find_dynsym): New inner function 1296 translate_offs that takes an adjust argument. Try finding 1297 the symbol table with and without adjusting to main_bias. 1298 12992014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com> 1300 1301 Support NT_FILE for locating files. 1302 * core-file.c (dwfl_core_file_report): New variables note_file and 1303 note_file_size, set them and pass them to dwfl_segment_report_module. 1304 * dwfl_segment_report_module.c: Include common.h and fcntl.h. 1305 (buf_has_data, buf_read_ulong, handle_file_note): New functions. 1306 (invalid_elf): New function from code of dwfl_segment_report_module. 1307 (dwfl_segment_report_module): Add parameters note_file and 1308 note_file_size. New variables elf and fd, clean them up in finish. 1309 Move some code to invalid_elf. Call handle_file_note, if it found 1310 a name verify the file by invalid_elf. Protect elf and fd against 1311 cleanup by finish if we found the file for new Dwfl_Module. 1312 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and 1313 note_file_size. 1314 13152014-09-23 Mark Wielaard <mjw@redhat.com> 1316 1317 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1318 Extract ei_class, ei_data and e_type early and use the result. 1319 13202014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1321 1322 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE. 1323 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set 1324 IS_EXECUTABLE. 1325 * libdwflP.h (struct Dwfl_Module): New field is_executable. 1326 13272014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com> 1328 1329 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use 1330 it. 1331 (find_dynsym): Pass the new parameter main_bias. 1332 13332014-08-14 Mark Wielaard <mjw@redhat.com> 1334 1335 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz. 1336 13372014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com> 1338 1339 Fix report_r_debug for prelinked libraries. 1340 * link_map.c (report_r_debug): Comment out variable l_addr. 1341 Use instead new variable base recalculated from l_ld. 1342 13432014-06-24 Kurt Roeckx <kurt@roeckx.be> 1344 1345 * linux-pid-attach.c: Make it build on non linux hosts. 1346 13472014-06-17 Mark Wielaard <mjw@redhat.com> 1348 1349 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask. 1350 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise. 1351 13522014-06-15 Mark Wielaard <mjw@redhat.com> 1353 1354 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h 1355 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt 1356 to read possibly unaligned data. 1357 (core_next_thread): Likewise. 1358 (core_set_initial_registers): Likewise. 1359 (dwfl_core_file_attach): Likewise. 1360 13612014-06-11 Mark Wielaard <mjw@redhat.com> 1362 1363 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr. 1364 (dwfl_attach_state): Set dwfl->attacherr. 1365 (dwfl_pid): Check and return dwfl->attacherr if set. 1366 (dwfl_getthreads): Likewise. 1367 (getthread): Likewise. 1368 * libdwflP.h: Add DWFL_E_NO_CORE_FILE. 1369 (struct Dwfl): Add attacherr field. 1370 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr. 1371 Don't assert if ELF file is not ET_CORE, just return error. 1372 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr. 1373 13742014-06-10 Mark Wielaard <mjw@redhat.com> 1375 1376 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach 1377 or dwfl_linux_proc_attach. 1378 13792014-05-15 Mark Wielaard <mjw@redhat.com> 1380 1381 * linux-proc-maps.c (grovel_auxv): Close fd on error. 1382 13832014-05-02 Mark Wielaard <mjw@redhat.com> 1384 1385 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink 1386 is always called. 1387 13882014-05-01 Mark Wielaard <mjw@redhat.com> 1389 1390 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields. 1391 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id. 1392 (__libdwfl_open_by_build_id): New declaration that takes an explicit 1393 build-id. 1394 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If 1395 we already have the Dwarf then look for the alt dwz multi file by 1396 build-id. 1397 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the 1398 build-id we are looking for as argument. 1399 (__libdwfl_open_mod_by_build_id): New function, calls 1400 __libdwfl_open_by_build_id. 1401 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id. 1402 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and 1403 close alt_fd if necessary. 1404 * dwfl_module_getdwarf.c (__check_build_id): Removed. 1405 (try_debugaltlink): Removed. 1406 (open_debugaltlink): Removed. 1407 (open_elf_file): First half of open_elf that just opens the elf 1408 file but doesn't setup the load address. 1409 (open_elf): Call open_elf_file. 1410 (find_debug_altlink): New function. 1411 (load_dw): Remove loading of dwz multifile. 1412 (find_dw): Call find_debug_altlink. 1413 * find-debuginfo.c (validate): Handle alt debug case using 1414 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf. 1415 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz 1416 subdirs. 1417 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name 1418 to store name to find by dwfl_standard_find_debuginfo instead of 1419 allocating an extra variable on stack. 1420 14212014-04-30 Mark Wielaard <mjw@redhat.com> 1422 1423 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to 1424 dwelf_elf_gnu_build_id.c. 1425 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL. 1426 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call 1427 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id. 1428 * dwfl_module_getdwarf.c (__check_build_id): Implement using 1429 dwelf_elf_gnu_build_id. 1430 14312014-04-15 Florian Weimer <fweimer@redhat.com> 1432 1433 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw. 1434 (try_debugaltlink): Likewise. 1435 (open_debugaltlink): Likewise. 1436 (load_dw): Locate alternate debug information using 1437 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink. 1438 14392014-04-11 Mark Wielaard <mjw@redhat.com> 1440 1441 * Makefile.am (AM_CPPFLAGS): Add libdwelf. 1442 * libdwflP.h: Include libdwelfP.h. 1443 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf. 1444 (find_debuginfo): Use dwelf_elf_gnu_debuglink. 1445 14462014-04-22 Mark Wielaard <mjw@redhat.com> 1447 1448 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when 1449 checking bits. 1450 (__libdwfl_frame_reg_set): Likewise. 1451 14522014-04-22 Kurt Roeckx <kurt@roeckx.be> 1453 1454 * linux-pid-attach.c: Make linux only. 1455 14562014-03-14 Mark Wielaard <mjw@redhat.com> 1457 1458 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions. 1459 Remove libelf and libdw definitions when MUDFLAP is defined. 1460 * argp-std.c (__libdwfl_argp_mudflap_options): Removed. 1461 14622014-03-03 Mark Wielaard <mjw@redhat.com> 1463 1464 * elf-from-memory.c (elf_from_remote_memory): Keep track of 1465 segments_end_mem. Pass memsz to first handle_segment pass. Only 1466 extend contents_size and use shdrs if only file bits are in 1467 segment. 1468 14692014-03-11 Josh Stone <jistone@redhat.com> 1470 1471 * dwfl_module_getdwarf.c (open_elf): Only explicitly set 1472 mod->e_type when processing the main ELF file. 1473 14742014-03-04 Mark Wielaard <mjw@redhat.com> 1475 1476 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from 1477 linux-pid-attach.c (struct pid_arg). 1478 (__libdwfl_get_pid_arg): New internal function declaration. 1479 (__libdwfl_ptrace_attach): Likewise. 1480 (__libdwfl_ptrace_detach): Likewise. 1481 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the 1482 special exception modules that cannot be checked at this point. 1483 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h 1484 (ptrace_attach): Renamed to... 1485 (__libdwfl_ptrace_attach): New internal function. 1486 (__libdwfl_ptrace_detach): Likewise. Extracted from ... 1487 (pid_thread_detach): Call __libdwfl_ptrace_detach now. 1488 (__libdwfl_get_pid_arg): New internal function. 1489 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special 1490 module name contains "(deleted)" and dwfl_pid gives an attached 1491 pid. If pid is set and try to (re)use ptrace attach state of 1492 process before reading memory. 1493 14942014-03-03 Mark Wielaard <mjw@redhat.com> 1495 1496 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as 1497 argument. Free buffer when detecting bad elf. Check PT_LOAD 1498 alignment requirements on first handle_segment pass. Calculate 1499 loadbase, start and end of segment using pagesize, not p_align. 1500 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize 1501 to elf_from_remote_memory. 1502 15032014-02-26 Mark Wielaard <mjw@redhat.com> 1504 1505 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input. 1506 15072014-02-26 Mark Wielaard <mjw@redhat.com> 1508 1509 * elf-from-memory.c (elf_from_remote_memory): Check against p64 1510 p_type in case ELFCLASS64, not against p32 p_type. 1511 15122014-01-17 Petr Machata <pmachata@redhat.com> 1513 1514 * relocate.c (relocate_section): Use gelf_fsize instead of relying 1515 on shdr->sh_entsize. 1516 15172014-01-05 Mark Wielaard <mjw@redhat.com> 1518 1519 * frame_unwind.c (handle_cfi): Only skip resetting return register 1520 if the regno is not the actual CIE return address register. 1521 15222014-01-02 Mark Wielaard <mjw@redhat.com> 1523 1524 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi. 1525 15262013-12-30 Mark Wielaard <mjw@redhat.com> 1527 1528 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and 1529 dwfl_core_file_attach explicitly. 1530 * core-file.c (dwfl_core_file_report): Don't call 1531 __libdwfl_attach_state_for_core implicitly. 1532 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error. 1533 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not 1534 process_attach_error. 1535 (dwfl_getthreads): Likewise. 1536 (getthread): Likewise. 1537 * libdwfl.h (dwfl_core_file_report): Update documentation. 1538 (dwfl_linux_proc_report): Likewise. 1539 (dwfl_core_file_attach): New function declaration. 1540 (dwfl_linux_proc_attach): Likewise. 1541 * libdwflP.h (struct Dwfl): Remove process_attach_error. 1542 (__libdwfl_attach_state_for_pid): Removed declaration. 1543 (__libdwfl_attach_state_for_core): Likewise. 1544 (dwfl_core_file_attach): New internal declaration. 1545 (dwfl_linux_proc_attach): Likewise. 1546 (attach_state_for_core): Renamed to... 1547 (dwfl_core_file_attach): ...this. Change return type. 1548 (__libdwfl_attach_state_for_core): Removed. 1549 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped. 1550 (pid_set_initial_registers): Check assume_ptrace_stopped before 1551 calling ptrace. 1552 (pid_thread_detach): Likewise. 1553 (__libdwfl_attach_state_for_pid): Renamed to... 1554 (dwfl_linux_proc_attach): ...this. Adjust return type. 1555 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call 1556 __libdwfl_attach_state_for_pid implicitly. 1557 15582013-12-28 Mark Wielaard <mjw@redhat.com> 1559 1560 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special 1561 character device files, only regular files. 1562 15632013-12-24 Mark Wielaard <mjw@redhat.com> 1564 1565 * linux-core-attach.c (core_next_thread): Check whether thread_argp 1566 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg 1567 in that case. Free thread_arg if there are no more threads. 1568 15692013-12-23 Mark Wielaard <mjw@redhat.com> 1570 1571 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free 1572 build_id before returning early. 1573 15742013-12-23 Mark Wielaard <mjw@redhat.com> 1575 1576 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual 1577 pid (thread group leader) to dwfl_attach_state. 1578 15792013-12-21 Mark Wielaard <mjw@redhat.com> 1580 1581 * frame_unwind.c (handle_cfi): Track whether the return register 1582 has been set and only allow it to be set once. 1583 15842013-12-20 Mark Wielaard <mjw@redhat.com> 1585 1586 * dwfl_frame.c (one_arg): New struct. 1587 (get_one_thread_cb): New function. 1588 (dwfl_getthread): Likewise. 1589 (one_thread): New struct. 1590 (get_one_thread_frames_cb): New function. 1591 (dwfl_getthread_frames): Likewise. 1592 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function. 1593 (dwfl_getthread_frames): Likewise. 1594 * libdwflP.h (dwfl_getthread_frames): New internal function declaration. 1595 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread 1596 to NULL. 1597 * linux-pid-attach.c (pid_getthread): New function. 1598 (pid_thread_callbacks): Initialize get_thread to pid_getthread. 1599 16002013-12-20 Mark Wielaard <mjw@redhat.com> 1601 1602 * linux-kernel-modules.c (report_kernel_archive): Correct nested 1603 asprintf result check for debug.a. 1604 16052013-12-18 Mark Wielaard <mjw@redhat.com> 1606 1607 * derelocate.c (__libdwfl_find_section_ndx): New internal function. 1608 * dwfl_module_addrname.c (dwfl_module_addrname): Use 1609 dwfl_module_addrinfo. 1610 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with... 1611 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value 1612 for comparisons, not st_value. Fill in off. Search for both value 1613 and the (adjusted) sym.st_value when different. 1614 (dwfl_module_addrsym): Implement using __libdwfl_addrsym. 1615 (dwfl_module_addrinfo): New function. 1616 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with... 1617 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested 1618 and possible. Adjust sym->st_value only when requested. Fill in addr 1619 if available. 1620 (dwfl_module_getsym_info): New function. 1621 (dwfl_module_getsym): Use __libdwfl_getsym. 1622 * libdwfl.h (dwfl_module_getsym_elf): Removed. 1623 (dwfl_module_getsym_info): New function declaration. 1624 (dwfl_module_addrinfo): Likewise. 1625 (dwfl_module_addrsym): Add documentation describing differences 1626 with addrinfo variants. 1627 (dwfl_module_addrsym_elf): Removed. 1628 * libdwflP.h (__libdwfl_getsym): New internal function declaration. 1629 (__libdwfl_addrsym): Likewise. 1630 (__libdwfl_find_section_ndx): Likewise. 1631 (dwfl_module_addrinfo): New internal declaration. 1632 (dwfl_module_getsym_info): Likewise. 1633 (dwfl_module_addrsym_elf): Removed. 1634 (dwfl_module_getsym_elf): Likewise. 1635 16362013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1637 1638 * argp-std.c (offline_find_elf): Remove. 1639 (offline_callbacks): Use dwfl_build_id_find_elf instead. 1640 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code 1641 removed above. 1642 16432013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1644 1645 unwinder: s390 and s390x 1646 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc. 1647 * frame_unwind.c (new_unwound): New function from ... 1648 (handle_cfi): ... here. Call it. 1649 (setfunc, getfunc, readfunc): New functions. 1650 (__libdwfl_frame_unwind): Call ebl_unwind with those functions. 1651 * linux-core-attach.c (core_set_initial_registers): Always iterate 1652 through the Ebl_Register_Location loop. Call 1653 dwfl_thread_state_register_pc there. 1654 16552013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1656 1657 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA. 1658 16592013-12-17 Mark Wielaard <mjw@redhat.com> 1660 1661 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first 1662 traversal. 1663 16642013-12-16 Mark Wielaard <mjw@redhat.com> 1665 1666 * libdwfl.h (dwfl_module_getsymtab_first_global): New function 1667 definition. 1668 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New 1669 function. 1670 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal 1671 function definition. 1672 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function. 1673 16742013-12-14 Mark Wielaard <mjw@redhat.com> 1675 1676 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if 1677 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary. 1678 * frame_unwind.c (handle_cfi): Free frame result from 1679 dwarf_cfi_addrframe when done. 1680 16812013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com> 1682 1683 unwinder: ppc and ppc64 1684 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set): 1685 Call ebl_dwarf_to_regno. 1686 * linux-core-attach.c (core_set_initial_registers): Implement 1687 pc_register support. 1688 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement 1689 FIRSTREG -1. 1690 16912013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1692 1693 Introduce process_attach_error. 1694 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error. 1695 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if 1696 PROCESS is NULL. 1697 * libdwflP.h (struct Dwfl): New field process_attach_error. 1698 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ... 1699 (attach_state_for_core): ... here, make it static, change return type, 1700 no longer use __libdwfl_seterrno. 1701 (__libdwfl_attach_state_for_core): New wrapper for it. 1702 17032013-11-27 Mark Wielaard <mjw@redhat.com> 1704 1705 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call... 1706 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments, 1707 keep track of symelf, addr_symelf, closest_elf and sizeless_elf 1708 instead of tracking dwfl_files. 1709 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to... 1710 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add 1711 new elfp and biasp arguments. Track elf instead of file. 1712 (dwfl_module_getsym): Call dwfl_module_getsym_elf. 1713 dwfl_module_info.c (dwfl_module_info): Pass elf to 1714 dwfl_adjusted_st_value. 1715 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx. 1716 (dwfl_module_getsym_elf): New function declaration. 1717 (dwfl_module_addrsym_elf): Likewise. 1718 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL. 1719 (dwfl_module_getsym_elf): Likewise. 1720 (dwfl_adjusted_st_value): Take and check elf not dwfl_file. 1721 (dwfl_deadjust_st_value): Likewise. 1722 (__libdwfl_module_getsym): Removed. 1723 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value. 1724 17252013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1726 1727 Fix non-build-id core files on build-id system. 1728 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot 1729 be read from memory. 1730 17312013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1732 1733 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1734 variable close_elf. Call __libdwfl_find_elf_build_id and compare the 1735 content, if possible. 1736 17372013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1738 1739 link_map: Use proper bias, not l_addr. 1740 * core-file.c (dynamic_vaddr_get): Rename to ... 1741 (__libdwfl_dynamic_vaddr_get): ... here, make it global, 1742 internal_function. 1743 (dwfl_core_file_report): Update name in the caller. 1744 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration. 1745 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call 1746 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment. 1747 Use ELF_DYNAMIC_VADDR instead of L_ADDR. 1748 17492013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com> 1750 1751 Compatibility with older kernels such as RHEL-6. 1752 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped. 1753 (ptrace_attach): New parameter tid_was_stoppedp. Set it. 1754 (pid_set_initial_registers): Pass tid_was_stopped. 1755 (pid_thread_detach): Use tid_was_stopped. 1756 17572013-11-18 Josh Stone <jistone@redhat.com> 1758 1759 * dwfl_module_getdwarf.c (find_aux_address_sync): New function. 1760 (find_aux_sym): Use it. 1761 17622013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> 1763 1764 Code cleanup: Remove const in prototype 1765 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from 1766 firstreg. 1767 * libdwfl.h (dwfl_thread_state_registers): Likewise. 1768 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise. 1769 17702013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> 1771 1772 Fix dwfl_attach_state machine->elf. 1773 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf. 1774 Call ebl_openbackend instead of ebl_openbackend_machine. 1775 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf. 1776 Update the function description. 1777 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to 1778 dwfl_attach_state. 1779 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to 1780 dwfl_attach_state. 1781 17822013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com> 1783 1784 Provide __libdwfl_module_getsym to get dwfl_file *. 1785 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove. 1786 (dwfl_module_addrsym) (search_table): New variable file. Use 1787 __libdwfl_module_getsym. Use file. 1788 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ... 1789 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it. 1790 (dwfl_module_getsym): New wrapper. 1791 * libdwflP.h (__libdwfl_module_getsym): New declaration. 1792 17932013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com> 1794 1795 Fix dwfl_module_addrsym for minidebuginfo. 1796 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable 1797 addr_symfile. 1798 (dwfl_module_addrsym) (same_section): Use it. 1799 (dwfl_module_addrsym) (i_to_symfile): New function. 1800 (dwfl_module_addrsym) (search_table): Use it. 1801 18022013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1803 Mark Wielaard <mjw@redhat.com> 1804 1805 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c, 1806 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and 1807 dwfl_frame_regs.c. 1808 * core-file.c (dwfl_core_file_report): Call 1809 __libdwfl_attach_state_for_core. 1810 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free. 1811 * dwfl_frame.c: New file. 1812 * frame_unwind.c: New file. 1813 * dwfl_frame_pc.c: New file. 1814 * linux-pid-attach.c: New file. 1815 * linux-core-attach.c: New file. 1816 * dwfl_frame_regs.c: New file. 1817 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs. 1818 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments. 1819 (Dwfl_Thread_Callbacks): New definition. 1820 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl) 1821 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers) 1822 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 1823 (dwfl_frame_pc): New declarations. 1824 * libdwflP.h (Dwfl_Process): New typedef. 1825 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ) 1826 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF) 1827 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND) 1828 (INVALID_ARGUMENT): New DWFL_ERROR entries. 1829 (struct Dwfl): New entry process. 1830 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame) 1831 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set) 1832 (__libdwfl_process_free, __libdwfl_frame_unwind) 1833 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core) 1834 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations. 1835 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid) 1836 (dwfl_frame_thread, dwfl_thread_state_registers) 1837 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 1838 (dwfl_frame_pc): New INTDECL entries. 1839 * linux-proc-maps.c (dwfl_linux_proc_report): Call 1840 __libdwfl_attach_state_for_pid. 1841 * segment.c (segment_start): Rename to ... 1842 (__libdwfl_segment_start): ... here and make it internal_function. 1843 (segment_end): Rename to ... 1844 (__libdwfl_segment_end): ... here and make it internal_function. 1845 (reify_segments, dwfl_report_segment): Rename them at the callers. 1846 18472013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1848 1849 * core-file.c (dwfl_core_file_report): Remove the use of MAX. 1850 18512013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1852 1853 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by 1854 retval. Fix one forgotten LISTED increase. 1855 18562013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1857 1858 Fix core files for re-prelink-ed files. 1859 * core-file.c (dynamic_vaddr_get): New function. 1860 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call 1861 dynamic_vaddr_get instead of using L_ADDR. 1862 * libdwflP.h (struct r_debug_info_module): Remove field l_addr. 1863 * link_map.c (report_r_debug): Do not initialize l_addr. 1864 18652013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1866 1867 Code cleanup. 1868 * core-file.c (dwfl_core_file_report): Reindent block of code by 1869 continue keyword. 1870 18712013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1872 1873 * argp-std.c (parse_opt): Use executable parameter of 1874 dwfl_core_file_report. 1875 * core-file.c (dwfl_core_file_report): Add parameter executable. Set 1876 it to DWFL. Add NEW_VERSION for it. 1877 (_compat_without_executable_dwfl_core_file_report): New. Twice. 1878 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update 1879 the function comment. 1880 18812013-10-15 Mark Wielaard <mjw@redhat.com> 1882 1883 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file 1884 mappings. 1885 (dwfl_linux_proc_find_elf): Don't abort, just return failure. 1886 18872013-09-12 Mark Wielaard <mjw@redhat.com> 1888 1889 * cu.c (intern_cu): If dwarf_offdie fails free cu. 1890 18912013-09-12 Mark Wielaard <mjw@redhat.com> 1892 1893 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in 1894 bad_report. 1895 18962013-09-12 Mark Wielaard <mjw@redhat.com> 1897 1898 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with 1899 aux_xndxscn, not xndxscn, for aux_symxndxdata. 1900 19012013-08-25 Mark Wielaard <mjw@redhat.com> 1902 1903 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true 1904 to dwfl_report_elf. 1905 19062013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com> 1907 1908 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for 1909 conflicts all the modules, not just the first one. Compare L_LD if it 1910 is equal, not if it is in a module address range. 1911 19122013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> 1913 1914 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function. 1915 19162013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> 1917 1918 * core-file.c (clear_r_debug_info): Close also ELF and FD. 1919 (dwfl_core_file_report): Call __libdwfl_report_elf for 1920 R_DEBUG_INFO.MODULE. 1921 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from 1922 code of ... 1923 (__libdwfl_report_elf): ... this function. Call it. 1924 * dwfl_segment_report_module.c: Include unistd.h. 1925 (dwfl_segment_report_module): Use basename for MODULE->NAME. 1926 Clear MODULE if it has no build-id and we have segment with build-id. 1927 Ignore this segment only if MODULE still contains valid ELF. 1928 * libdwflP.h (__libdwfl_elf_address_range): New declaration. 1929 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end 1930 and disk_file_has_build_id. 1931 (dwfl_link_map_report): Extend the comment. 1932 * link_map.c (report_r_debug): Extend the comment. Always fill in new 1933 r_debug_info_module. Initialize also the new r_debug_info_module 1934 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range 1935 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL. 1936 19372013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com> 1938 1939 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function. 1940 19412013-07-02 Mark Wielaard <mjw@redhat.com> 1942 1943 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert. 1944 19452013-06-05 Mark Wielaard <mjw@redhat.com> 1946 1947 * link_map.c (report_r_debug): Always call release_buffer after 1948 memory_callback succeeded reading build_id. 1949 19502013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1951 1952 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set 1953 executable_for_core before calling dwfl_core_file_report. 1954 * core-file.c (clear_r_debug_info): New function. 1955 (dwfl_core_file_report): Move raw segments reporting lower. New 1956 variable r_debug_info, pass it to dwfl_segment_report_module. Call 1957 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED. 1958 * dwfl_module_build_id.c (check_notes): Move into 1959 __libdwfl_find_elf_build_id. 1960 (__libdwfl_find_build_id): Rename to ... 1961 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits, 1962 build_id_elfaddr and build_id_len. Verify MOD vs. ELF. 1963 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and 1964 set, rename data_vaddr to data_elfaddr. Do not call found_build_id. 1965 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not 1966 adjust its data_elfaddr parameter. 1967 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id. 1968 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1969 parameter r_debug_info. New variable name_is_final. Adjust addresses 1970 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL. 1971 Do not overwrite NAME by SONAME if NAME_IS_FINAL. 1972 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration. 1973 (struct r_debug_info_module, struct r_debug_info): New definitions. 1974 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter 1975 r_debug_info. 1976 * link_map.c: Include fcntl.h. 1977 (report_r_debug): Add parameter r_debug_info, describe it in the 1978 function comment. Delete dwfl_addrmodule call and its dependent code. 1979 Verify build-id before calling dwfl_report_elf, also supply 1980 executable_for_core to it. Store r_debug_info->module info when 1981 appropriate. 1982 (dwfl_link_map_report): Add parameter r_debug_info. New variable 1983 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug 1984 caller parameters. 1985 19862013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1987 1988 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr. 1989 Set it to true for ET_EXEC and ET_CORE. Provide alternative 1990 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE. 1991 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add 1992 NEW_VERSION. 1993 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with 1994 COMPAT_VERSION. 1995 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it. 1996 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr. 1997 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf. 1998 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for 1999 dwfl_report_elf. 2000 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf. 2001 20022013-04-27 Mark Wielaard <mjw@redhat.com> 2003 2004 * link_map.c: #include system.h. 2005 20062013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com> 2007 2008 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move 2009 them to lib/system.h. 2010 20112013-04-24 Mark Wielaard <mjw@redhat.com> 2012 2013 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. 2014 20152013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com> 2016 2017 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning. 2018 20192013-03-12 Mark Wielaard <mjw@redhat.com> 2020 2021 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success. 2022 20232013-02-22 Mark Wielaard <mjw@redhat.com> 2024 2025 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define 2026 as DWFL_E_BADELF when not used. 2027 20282013-02-10 Mark Wielaard <mjw@redhat.com> 2029 2030 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in 2031 failure messages When handling ARGP_KEY_SUCCESS because arg will 2032 not have been set. 2033 20342013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com> 2035 2036 * linux-proc-maps.c: Include system.h. 2037 (PROCEXEFMT, get_pid_class): New. 2038 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call 2039 get_pid_class. 2040 20412013-01-23 Mark Wielaard <mjw@redhat.com> 2042 2043 * dwfl_module_getdwarf.c (find_aux_sym): Don't subtract one 2044 from aux_syments by default. 2045 (find_symtab): Also succeed when only aux_symdata is found. 2046 When no symtab is found always try to load auxiliary table. 2047 (dwfl_module_getsymtab): Substract one from result when both 2048 tables have symbols. 2049 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary 2050 zero entry when both tables have symbols. 2051 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only subtract 2052 one from first_global when both tables have symbols. 2053 20542013-01-16 Mark Wielaard <mjw@redhat.com> 2055 2056 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata, 2057 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global. 2058 (dwfl_adjusted_aux_sym_addr): New function. 2059 (dwfl_deadjust_aux_sym_addr): Likewise. 2060 (dwfl_adjusted_st_value): Take and check symfile argument. 2061 (dwfl_deadjust_st_value): Likewise. 2062 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and 2063 use dwfl_file as argument to set address_sync. 2064 (find_debuginfo): Call find_prelink_address_sync with debug file. 2065 (find_aux_sym): New function. 2066 (find_symtab): Use find_aux_sym if all we have is the dynsym table 2067 and fill in aux DwflModule fields. 2068 (dwfl_module_getsymtab): Return syments plus aux_syments. 2069 (load_symtab): Always set first_global. 2070 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile 2071 when using same_section. Calculate first_global based on both 2072 mod->first_global and mod->aux_first_global. 2073 * dwfl_module.c (__libdwfl_module_free): Free aux_sym. 2074 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table 2075 to retrieve symbol and name if necessary, making sure all locals 2076 from any table come before any globals. 2077 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value 2078 with symfile. 2079 * relocate.c (resolve_symbol): Likewise. 2080 20812013-01-07 Roland McGrath <roland@hack.frob.com> 2082 2083 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but 2084 still assume the data is at least 32-bit aligned anyway. 2085 (dwfl_link_map_report): Handle unaligned auxv data. 2086 20872012-12-11 Mark Wielaard <mjw@redhat.com> 2088 2089 * linux-kernel-modules.c (report_kernel): Only free fname if 2090 find_kernel_elf succeeds and allocates it. 2091 (report_kernel_archive): Fix brackets around unlikely expression. 2092 20932012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com> 2094 2095 * argp-std.c: Update Copyright year. 2096 (offline_find_elf): New function. 2097 (offline_callbacks): Use it for find_elf. 2098 (struct parse_opt): New. 2099 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct 2100 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE 2101 processing till ARGP_KEY_SUCCESS. Initialize state->input already from 2102 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the 2103 final state->input initialization optional. 2104 * dwfl_end.c: Update Copyright year. 2105 (dwfl_end): Free executable_for_core. 2106 * libdwflP.h: Update Copyright year. 2107 (struct Dwfl): New field executable_for_core. 2108 21092012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com> 2110 2111 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS 2112 calculation. 2113 21142012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> 2115 2116 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code 2117 from ... 2118 (__libdwfl_getelf): ... here. Call it. 2119 21202012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> 2121 2122 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__. 2123 21242012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> 2125 2126 * dwfl_segment_report_module.c (dwfl_segment_report_module): 2127 Initialize mod->MAIN_BIAS. 2128 21292012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> 2130 2131 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function 2132 binding_value. Use it for both zero and non-zero size symbols 2133 comparisons. 2134 21352012-10-01 Mark Wielaard <mjw@redhat.com> 2136 2137 * cu.c (cudie_offset): Don't use type_sig8, it might not be 2138 initialized and these are always real CUs, never TUs. 2139 21402012-10-01 Mark Wielaard <mjw@redhat.com> 2141 2142 * derelocate.c (find_section): Check next section exists before 2143 accessing it. 2144 21452012-08-01 Petr Machata <pmachata@redhat.com> 2146 2147 * offline.c (process_archive_member): Ignore entry "/SYM64/". 2148 21492012-03-28 Roland McGrath <roland@hack.frob.com> 2150 2151 * dwfl_segment_report_module.c 2152 (dwfl_segment_report_module: read_portion): Don't use existing buffer 2153 when FILESZ is zero (string mode) and available portion doesn't hold 2154 a terminated string. 2155 21562011-12-02 Roland McGrath <roland@hack.frob.com> 2157 2158 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case 2159 to use elf64_xlatetom and PHDRS.p64. 2160 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>. 2161 21622011-11-31 Mark Wielaard <mjw@redhat.com> 2163 2164 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all 2165 global symbols. Then only when that doesn't provide a match search 2166 all local symbols too. 2167 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg 2168 and fill it in. 2169 (find_symtab): Initialize mod->first_global and pass it to load_symtab. 2170 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field. 2171 21722011-11-31 Mark Wielaard <mjw@redhat.com> 2173 2174 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update 2175 sizeless_sym if needed and closer to desired addr. 2176 21772011-10-20 Mark Wielaard <mjw@redhat.com> 2178 2179 * derelocate.c (cache_sections): Intern mod->reloc_info check. 2180 (dwfl_module_relocations): Don't check mod->reloc_info. 2181 (dwfl_module_relocation_info): Likewise. 2182 (find_section): Likewise. 2183 21842011-07-09 Roland McGrath <roland@hack.frob.com> 2185 2186 * image-header.c (LE32): Macro removed (now in lib/system.h). 2187 21882011-04-11 Mark Wielaard <mjw@redhat.com> 2189 2190 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition 2191 by check for zlib, bzlib or lzma defines to check it isn't empty. 2192 (try_kernel_name): Use same guard for use of vmlinux_suffixes. 2193 21942011-03-08 Roland McGrath <roland@redhat.com> 2195 2196 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL. 2197 Reported by Kurt Roeckx <kurt@roeckx.be>. 2198 21992011-02-11 Roland McGrath <roland@redhat.com> 2200 2201 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz 2202 suffixes if corresponding decompression support is enabled. 2203 22042011-02-01 Roland McGrath <roland@redhat.com> 2205 2206 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the 2207 section-end address as the synchronization point, rather than sh_addr. 2208 2209 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover 2210 PT_INTERP p_vaddr separately from main phdrs and undo phdrs. 2211 2212 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in 2213 last change, so we recognize PT_INTERP in ELFCLASS64 correctly. 2214 22152011-01-11 Roland McGrath <roland@redhat.com> 2216 2217 * dwfl_module_getdwarf.c (open_elf): Remove section-based 2218 address_sync fixup from here. 2219 (find_prelink_address_sync): New function. 2220 (find_debuginfo): Call it. 2221 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error. 2222 22232011-01-04 Roland McGrath <roland@redhat.com> 2224 2225 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation 2226 logic to consider section addresses, the better to survive all the 2227 possible prelink machinations. 2228 * libdwflP.h (struct dwfl_file): Comment change. 2229 22302010-11-30 Roland McGrath <roland@redhat.com> 2231 2232 * derelocate.c (dwfl_module_relocations): Remove over-eager assert. 2233 22342010-11-12 Roland McGrath <roland@redhat.com> 2235 2236 * libdwflP.h (struct Dwfl_Module): New member main_bias. 2237 (dwfl_adjusted_address, dwfl_deadjust_address): Use it. 2238 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it. 2239 2240 * libdwflP.h (dwfl_deadjust_address): New function. 2241 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions. 2242 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr. 2243 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value. 2244 22452010-11-11 Roland McGrath <roland@redhat.com> 2246 2247 * libdwflP.h (struct dwfl_file): Remove bias member. 2248 Add vaddr and address_sync members instead. 2249 (dwfl_adjusted_address): Calculate using vaddr. 2250 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that. 2251 (dwfl_adjusted_st_value): Use one of those calls. 2252 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync. 2253 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 2254 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions. 2255 * link_map.c (consider_executable): Adjust only MOD->low_addr for 2256 detected PIE bias change. 2257 2258 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function. 2259 * dwfl_module_info.c: Use it. 2260 * cu.c (addrarange): Likewise. 2261 * dwfl_dwarf_line.c: Likewise. 2262 * dwfl_module_dwarf_cfi.c: Likewise. 2263 * dwfl_lineinfo.c: Likewise. 2264 * dwfl_nextcu.c: Likewise. 2265 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise. 2266 2267 * libdwflP.h (dwfl_adjusted_st_value): New function. 2268 * relocate.c (resolve_symbol): Use it. 2269 * dwfl_module_getsym.c: Likewise. 2270 * dwfl_module_addrsym.c: Likewise. 2271 * dwfl_module_info.c: Likewise. 2272 2273 * libdwflP.h (dwfl_adjusted_address): New function. 2274 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it. 2275 * relocate.c (__libdwfl_relocate_value): Likewise. 2276 * derelocate.c (cache_sections): Likewise. 2277 (dwfl_module_address_section): Likewise. 2278 * dwfl_module_getelf.c: Likewise. 2279 * dwfl_module_eh_cfi.c: Likewise. 2280 * link_map.c (consider_executable): Likewise. 2281 22822010-08-24 Roland McGrath <roland@redhat.com> 2283 2284 * dwfl_dwarf_line.c: New file. 2285 * Makefile.am (libdwfl_a_SOURCES): Add it. 2286 22872010-08-18 Roland McGrath <roland@redhat.com> 2288 2289 * link_map.c (report_r_debug): Use found name if we have no name, 2290 even if we already have an Elf handle. 2291 22922010-06-30 Roland McGrath <roland@redhat.com> 2293 2294 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be 2295 confused by -1 return from dwfl_build_id_find_elf after it opened 2296 the Elf handle. 2297 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for 2298 dwfl_build_id_find_debuginfo. 2299 23002010-06-16 Roland McGrath <roland@redhat.com> 2301 2302 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro. 2303 23042010-06-14 Roland McGrath <roland@redhat.com> 2305 2306 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare 2307 candidate file to that st_dev/st_ino and pretend it didn't exist 2308 if they match. 2309 (find_debuginfo_in_path): Update caller, pass main file's info. 2310 23112010-05-20 Roland McGrath <roland@redhat.com> 2312 2313 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ... 2314 (grovel_auxv): ... this. Take DWFL argument. 2315 (dwfl_linux_proc_report): Update caller. 2316 2317 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias 2318 based on dwfl->segment_align or manifest alignment of MOD->low_addr. 2319 23202010-05-19 Roland McGrath <roland@redhat.com> 2321 2322 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten. 2323 23242010-05-06 Roland McGrath <roland@redhat.com> 2325 2326 * segment.c (insert): Clear inserted elements of DWFL->lookup_module. 2327 2328 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF. 2329 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build 2330 ID but we didn't find a file. 2331 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check 2332 and refuse any fallback file-by-name if it lacks the matching ID. 2333 2334 * dwfl_error.c (dwfl_errno): Add INTDEF. 2335 * libdwflP.h: Add INTDECL. 2336 2337 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in 2338 failure cases. 2339 23402010-05-04 Roland McGrath <roland@redhat.com> 2341 2342 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an 2343 ET_DYN that has a DT_DEBUG. 2344 2345 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop. 2346 2347 * segment.c (insert): Fix moving of values following insertion. 2348 (reify_segments): Fix up MOD->segment backpointer indices after 2349 later insertions in the main loop invalidate them. 2350 2351 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and 2352 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly. 2353 2354 * core-file.c (dwfl_core_file_report): Return any nonzero count of 2355 modules reported, even if link_map grovelling failed and only sniffing 2356 found anything. 2357 23582010-04-26 Roland McGrath <roland@redhat.com> 2359 2360 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc. 2361 Works around probably-wrong ld -r behavior for case of a DWARF address 2362 constant that refers to a discarded SHF_ALLOC section. 2363 23642010-04-14 Roland McGrath <roland@redhat.com> 2365 2366 * link_map.c (report_r_debug): Limit iterations on the l_next chain to 2367 an upper bound on sane possible number of elements. 2368 23692010-03-11 Roland McGrath <roland@redhat.com> 2370 2371 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan 2372 the second half for 32-bit matches. 2373 23742010-03-10 Roland McGrath <roland@redhat.com> 2375 2376 * core-file.c (dwfl_core_file_report): Punt EHDR argument. 2377 * argp-std.c (parse_opt): Update caller. 2378 * libdwfl.h: Declare dwfl_core_file_report. 2379 * libdwflP.h: Don't. 2380 23812010-02-17 Roland McGrath <roland@redhat.com> 2382 2383 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument. 2384 If set, find the first index not below ADDR. 2385 (dwfl_segment_report_module): Update callers. 2386 Pass true when calculating return value. 2387 23882010-02-15 Roland McGrath <roland@redhat.com> 2389 2390 * Makefile.am: Use config/eu.am for common stuff. 2391 2392 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized 2393 variable in failure path. 2394 23952010-02-02 Mark Wielaard <mjw@redhat.com> 2396 2397 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias. 2398 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise 2399 24002010-01-07 Roland McGrath <roland@redhat.com> 2401 2402 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum. 2403 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 2404 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise. 2405 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 2406 24072010-01-06 Roland McGrath <roland@redhat.com> 2408 2409 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value. 2410 (relocate_section): Let unresolved SHN_COMMON symbol stay 0. 2411 24122009-11-16 Roland McGrath <roland@redhat.com> 2413 2414 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn. 2415 24162009-11-12 Petr Machata <pmachata@redhat.com> 2417 2418 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if 2419 the chunk is both offset-contiguous and vaddr-contiguous. 2420 24212009-11-05 Roland McGrath <roland@redhat.com> 2422 2423 * link_map.c (report_r_debug): Skip entries with l_ld==0. 2424 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure. 2425 24262009-09-04 Roland McGrath <roland@redhat.com> 2427 2428 * image-header.c (__libdw_image_header): Fix tranposed comparison. 2429 24302009-08-27 Roland McGrath <roland@redhat.com> 2431 2432 * image-header.c: New file. 2433 * Makefile.am (libdwfl_a_SOURCES): Add it. 2434 * libdwflP.h: Declare __libdw_image_header. 2435 * open.c (decompress): Don't consume ELF on failure. 2436 (what_kind): New function, broken out of ... 2437 (__libdw_open_file): ... here. Call it. 2438 If it fails, try __libdw_image_header and then try what_kind again. 2439 2440 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER, 2441 leave it behind for next decompressor. 2442 * open.c (decompress): Free BUFFER on failure. 2443 24442009-08-26 Roland McGrath <roland@redhat.com> 2445 2446 * gzip.c (find_zImage_payload): New function, broken out of ... 2447 (mapped_zImage): ... here. Call it. 2448 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with 2449 stupid method of just trying the decoder. 2450 2451 * open.c [USE_LZMA]: Try __libdw_unlzma. 2452 * libdwflP.h: Declare it. 2453 (DWFL_ERRORS): Add DWFL_E_LZMA. 2454 * gzip.c [LZMA]: Implement liblzma version for XZ file format. 2455 * lzma.c: New file. 2456 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it. 2457 2458 * gzip.c (mapped_zImage): Limit scan to 32kb. 2459 Make this unconditional, support bzip2 kernel images too. 2460 (unzip): Use direct inflate method for non-mmap case too. 2461 Only zlib uses the stream method. 2462 24632009-08-09 Roland McGrath <roland@redhat.com> 2464 2465 * dwfl_module_build_id.c: Use new macros for versioned definitions. 2466 24672009-07-08 Roland McGrath <roland@redhat.com> 2468 2469 * dwfl_module_dwarf_cfi.c: New file. 2470 * dwfl_module_eh_cfi.c: New file. 2471 * Makefile.am (libdwfl_a_SOURCES): Add them. 2472 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi. 2473 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi. 2474 24752009-07-08 Roland McGrath <roland@redhat.com> 2476 2477 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better. 2478 24792009-06-18 Mark Wielaard <mjw@redhat.com> 2480 2481 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap. 2482 24832009-06-13 Ulrich Drepper <drepper@redhat.com> 2484 2485 * derelocate.c: Don't use deprecated libelf functions. 2486 * dwfl_module_getdwarf.c: Likewise. 2487 * relocate.c: Likewise. 2488 24892009-04-23 Ulrich Drepper <drepper@redhat.com> 2490 2491 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is 2492 defined. Otherwise just define the latest version. 2493 24942009-04-22 Roland McGrath <roland@redhat.com> 2495 2496 * relocate.c (resolve_symbol): Apply correct bias to st_value found in 2497 a non-ET_REL module. 2498 2499 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to 2500 adjust properly for non-ET_REL. 2501 25022009-04-21 Roland McGrath <roland@redhat.com> 2503 2504 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC. 2505 2506 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL. 2507 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only 2508 for ET_REL. 2509 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 2510 25112009-04-20 Roland McGrath <roland@redhat.com> 2512 2513 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function. 2514 25152009-04-19 Roland McGrath <roland@redhat.com> 2516 2517 * dwfl_module_getdwarf.c (find_file): Renamed to ... 2518 (__libdwfl_getelf): ... this. Make it global. 2519 (find_symtab, find_dw): Update callers. 2520 (dwfl_module_getelf): Functions moved ... 2521 * dwfl_module_getelf.c: ... here, new file. 2522 * Makefile.am (libdwfl_a_SOURCES): Add it. 2523 * libdwflP.h: Declare __libdwfl_getelf. 2524 25252009-04-14 Roland McGrath <roland@redhat.com> 2526 2527 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either 2528 absolute (already adjusted in place) or needing load bias adjustment. 2529 2530 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for 2531 gelf_getphdr failure. Fix file size limit checks. 2532 2533 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check. 2534 25352009-04-08 Roland McGrath <roland@redhat.com> 2536 2537 * dwfl_module_getsym.c: Don't adjust for bias again after 2538 __libdwfl_relocate_value. 2539 2540 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from 2541 a non-SHF_ALLOC section. 2542 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX. 2543 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise. 2544 25452009-03-09 Roland McGrath <roland@redhat.com> 2546 2547 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX 2548 variable to outer scope, so we cache it for the loop. 2549 2550 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr. 2551 25522009-02-12 Roland McGrath <roland@redhat.com> 2553 2554 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use 2555 __libdwfl_relocate_value to find correct sh_addr value. 2556 25572009-02-10 Roland McGrath <roland@redhat.com> 2558 2559 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY. 2560 If false, don't fail for NO_PHDR. 2561 (dwfl_report_elf): Update caller. 2562 * libdwflP.h: Update decl. 2563 * offline.c (process_elf): Call it with false, so we don't refuse 2564 dubiously-formed objects here. 2565 2566 * link_map.c (consider_executable): Don't assert dwfl_addrsegment 2567 finds our module. We shouldn't crash when we confuse some guesses. 2568 25692009-02-10 Ulrich Drepper <drepper@redhat.com> 2570 2571 * open.c (decompress): Avoid crash with empty input file. 2572 25732009-01-27 Roland McGrath <roland@redhat.com> 2574 2575 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD 2576 with zero vaddr and memsz. 2577 25782009-01-22 Roland McGrath <roland@redhat.com> 2579 2580 * open.c (decompress): Move BUFFER, SIZE decls outside #if. 2581 2582 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments 2583 after address-matching loop. 2584 2585 * segment.c (lookup): Fix fencepost in checking for HINT match. 2586 25872009-01-14 Roland McGrath <roland@redhat.com> 2588 2589 * gzip.c [!BZLIB] (mapped_zImage): New function. 2590 (unzip) [!BZLIB]: Grok Linux kernel zImage format. 2591 25922009-01-10 Ulrich Drepper <drepper@redhat.com> 2593 2594 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code. 2595 25962009-01-08 Roland McGrath <roland@redhat.com> 2597 2598 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): 2599 Skip subdirectory named "source". 2600 (dwfl_linux_kernel_find_elf): Likewise. 2601 26022009-01-06 Roland McGrath <roland@redhat.com> 2603 2604 * linux-kernel-modules.c (check_suffix): New function. 2605 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes. 2606 (dwfl_linux_kernel_report_offline): Use it. 2607 (dwfl_linux_kernel_find_elf): Likewise. 2608 26092009-01-05 Roland McGrath <roland@redhat.com> 2610 2611 * argp-std.c (parse_opt): Use __libdw_open_file for core file. 2612 * dwfl_build_id_find_debuginfo.c: Use it to open the file. 2613 * dwfl_build_id_find_elf.c: Likewise. 2614 * dwfl_module_getdwarf.c (open_elf): Likewise. 2615 * dwfl_report_elf.c: Likewise. 2616 * find-debuginfo.c (validate): Likewise. 2617 * offline.c (__libdwfl_report_offline): Likewise. 2618 2619 * libdwflP.h: Declare __libdw_open_file. 2620 * open.c: New file. 2621 * Makefile.am (libdwfl_a_SOURCES): Add it. 2622 2623 * gzip.c: New file. 2624 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it. 2625 * bzip2.c: New file. 2626 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it. 2627 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2. 2628 26292008-12-16 Roland McGrath <roland@redhat.com> 2630 2631 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and 2632 symver magic to bind to ELFUTILS_0.138. 2633 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible 2634 wrapper for ELFUTILS_0.130 version set. 2635 26362008-12-18 Roland McGrath <roland@redhat.com> 2637 2638 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN 2639 addresses are taken as relative to MOD->low_addr. 2640 26412008-12-15 Roland McGrath <roland@redhat.com> 2642 2643 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not 2644 debug.bias. 2645 26462008-12-11 Roland McGrath <roland@redhat.com> 2647 2648 * offline.c (process_archive): Don't call elf_end and close if 2649 returning NULL. Check first elf_begin call and set error code 2650 specially for empty archive. 2651 Fixes RHBZ#465878. 2652 26532008-12-02 Roland McGrath <roland@redhat.com> 2654 2655 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. 2656 26572008-11-26 Roland McGrath <roland@redhat.com> 2658 2659 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in 2660 return value, and interpret encoded OFFSET argument. 2661 26622008-10-07 Roland McGrath <roland@redhat.com> 2663 2664 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. 2665 26662008-09-29 Roland McGrath <roland@redhat.com> 2667 2668 * segment.c (insert): Must realloc DWFL->lookup_module here too. 2669 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls. 2670 26712008-08-28 Roland McGrath <roland@redhat.com> 2672 2673 * segment.c (reify_segments): Fix last change. 2674 26752008-08-27 Roland McGrath <roland@redhat.com> 2676 2677 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM 2678 failure from pread64. 2679 26802008-08-26 Roland McGrath <roland@redhat.com> 2681 2682 * segment.c (reify_segments): Insert a trailing segment for a module 2683 end that is above the highest current segment. 2684 26852008-08-25 Roland McGrath <roland@redhat.com> 2686 2687 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for 2688 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF 2689 if FILE->elf is not ELF_K_ELF. 2690 2691 * dwfl_segment_report_module.c: Add a cast. 2692 26932008-08-21 Denys Vlasenko <dvlasenk@redhat.com> 2694 2695 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic 2696 which decides which symbol is "closest" to a given address. 2697 26982008-08-15 Roland McGrath <roland@redhat.com> 2699 2700 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. 2701 (options, parse_opt): Handle --core. 2702 2703 * core-file.c: New file. 2704 * Makefile.am (libdwfl_a_SOURCES): Add it. 2705 * libdwflP.h (dwfl_core_file_report): Declare it. 2706 2707 * link_map.c: New file. 2708 * Makefile.am (libdwfl_a_SOURCES): Add it. 2709 * libdwflP.h (dwfl_link_map_report): Declare it. 2710 2711 * libdwflP.h (MIN, MAX): New macros. 2712 (Dwfl_Memory_Callback): New typedef. 2713 (Dwfl_Module_Callback): New typedef. 2714 (dwfl_segment_report_module): Declare it. 2715 * dwfl_segment_report_module.c: New file. 2716 * Makefile.am (libdwfl_a_SOURCES): Add it. 2717 2718 * derelocate.c (dwfl_module_address_section): Add INTDEF. 2719 * libdwflP.h: Add INTDECL. 2720 2721 * segment.c: New file. 2722 * Makefile.am (libdwfl_a_SOURCES): Add it. 2723 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment. 2724 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc, 2725 lookup_addr, lookup_module, lookup_segndx, replace removed members 2726 modules, nmodules. 2727 (struct Dwfl_Module): New member segment. 2728 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist 2729 to each free module. 2730 * dwfl_module.c (dwfl_report_begin_add): Do nothing. 2731 (dwfl_report_begin): Don't call it. Truncate the segment table instead. 2732 (dwfl_report_module): Don't touch DWFL->nmodules. 2733 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules. 2734 (compare_modules): Function removed. 2735 * dwfl_getmodules.c: Rewritten. 2736 Add INTDEF. 2737 * libdwflP.h: Add INTDECLs. 2738 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules. 2739 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment. 2740 27412008-08-03 Roland McGrath <roland@redhat.com> 2742 2743 * linux-kernel-modules.c: Include <fts.h> before <config.h>. 2744 27452008-07-17 Roland McGrath <roland@redhat.com> 2746 2747 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to 2748 zero if the failure was only ENOENT. 2749 27502008-06-03 Roland McGrath <roland@redhat.com> 2751 2752 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined 2753 symbols. 2754 27552008-05-22 Petr Machata <pmachata@redhat.com> 2756 2757 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. 2758 27592008-05-06 Roland McGrath <roland@frob.com> 2760 2761 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use 2762 FTS_LOGICAL here too. 2763 (dwfl_linux_kernel_find_elf): Likewise. 2764 27652008-04-29 Roland McGrath <roland@redhat.com> 2766 2767 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search 2768 based on canonicalize_file_name if it differs from the supplied name. 2769 2770 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so 2771 we accept symlinks. 2772 27732008-04-27 Roland McGrath <roland@redhat.com> 2774 2775 * linux-kernel-modules.c (report_kernel): Fix crash when 2776 dwfl_report_elf fails. 2777 27782008-04-05 Roland McGrath <roland@redhat.com> 2779 2780 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE. 2781 2782 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits. 2783 Clear it after freeing. 2784 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise. 2785 27862008-03-26 Roland McGrath <roland@redhat.com> 2787 2788 * dwfl_module_getdwarf.c (load_symtab): Don't return success for 2789 SHT_DYNSYM, just set *SYMSCN like the comment says. 2790 2791 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array. 2792 2793 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure. 2794 27952008-03-19 Roland McGrath <roland@redhat.com> 2796 2797 * dwfl_module_getsrc.c: Adjust address for module bias before search. 2798 27992008-03-01 Roland McGrath <roland@redhat.com> 2800 2801 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from 2802 prototype to avoid older compiler's complaint about reuse of the name. 2803 (__libdwfl_canon_error): Likewise. 2804 28052008-02-19 Roland McGrath <roland@redhat.com> 2806 2807 * relocate.c (relocate_section): Check for an unhandled relocation 2808 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE -> 2809 DWFL_E_UNKNOWN_MACHINE check out of loops. 2810 2811 * dwfl_module_getdwarf.c (load_dw): Skip relocation if 2812 DEBUGFILE->relocated is already set. 2813 28142008-01-26 Roland McGrath <roland@redhat.com> 2815 2816 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null. 2817 2818 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear 2819 incoming *FILE_NAME at the start. 2820 28212008-01-08 Roland McGrath <roland@redhat.com> 2822 2823 * Makefile.am (euinclude): Variable removed. 2824 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 2825 28262007-10-23 Roland McGrath <roland@redhat.com> 2827 2828 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel 2829 module to appear first. 2830 28312007-10-20 Roland McGrath <roland@redhat.com> 2832 2833 * offline.c (process_archive_member): Take FD argument, pass it down 2834 to process_file. Return Elf_Cmd, not bool. 2835 Call elf_next here, always before elf_end. 2836 (process_archive): Update caller. Don't close FD here unless there 2837 are no member refs. 2838 2839 * dwfl_module.c (free_file): Close fd only when elf_end returns zero. 2840 2841 * libdwflP.h (struct dwfl_file): New bool member `relocated'. 2842 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply 2843 partial relocation to one or both files. 2844 (dwfl_module_getdwarf): For ET_REL, make sure extra sections' 2845 relocations have been applied to the debug file if dwfl_module_getelf 2846 has been used before. 2847 2848 * relocate.c (resolve_symbol): New function. 2849 (relocate_section): Call it. 2850 2851 * relocate.c (relocate_getsym): Handle null MOD->symfile. 2852 (relocate_section): Take new bool arg, PARTIAL. If true, 2853 no error for BADRELTYPE/RELUNDEF, instead just skip them 2854 and leave only those skipped relocs behind the reloc section. 2855 (__libdwfl_relocate_section): Take new arg, pass it down. 2856 (__libdwfl_relocate): Take new bool arg, DEBUG. If false, 2857 do partial relocation on all sections. 2858 * dwfl_module_getdwarf.c (load_dw): Update caller. 2859 * libdwflP.h: Update decls. 2860 * derelocate.c (dwfl_module_address_section): Pass new argument 2861 to __libdwfl_relocate_section, true. 2862 2863 * derelocate.c (cache_sections): Don't cache reloc sections when 2864 section_address callback is null. 2865 28662007-10-19 Roland McGrath <roland@redhat.com> 2867 2868 * relocate.c (relocate_section): Fix fencepost error in r_offset check. 2869 2870 * derelocate.c (struct dwfl_relocation): Add member `relocs'. 2871 (struct secref): Likewise. 2872 (cache_sections): Cache the relocation section referring to each 2873 section we cache, if any. 2874 (dwfl_module_address_section): Use __libdwfl_relocate_section as 2875 necessary. 2876 2877 * relocate.c (struct reloc_symtab_cache): New type. 2878 (relocate_getsym): Use it instead of four arguments. 2879 (__libdwfl_relocate): Update caller. 2880 (relocate_section): New function, broken out of ... 2881 (__libdwfl_relocate): ... here. 2882 (__libdwfl_relocate_section): New function. 2883 * libdwflP.h: Declare it. 2884 28852007-10-17 Roland McGrath <roland@redhat.com> 2886 2887 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias 2888 to relocated st_value. 2889 2890 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for 2891 ET_REL to 0x100. 2892 28932007-10-16 Roland McGrath <roland@redhat.com> 2894 2895 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later 2896 section has larger alignment requirements not met by the original BASE, 2897 rather than padding more between sections. 2898 2899 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation. 2900 2901 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias 2902 to sh_addr value. 2903 2904 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE 2905 at zero in ET_REL case. Adjust BASE to necessary alignment. 2906 2907 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value 2908 for DATA_VADDR. 2909 (__libdwfl_find_build_id): Update caller. 2910 2911 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset. 2912 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 2913 * offline.c (dwfl_offline_section_address): Bail early if there is 2914 separate debug file. 2915 2916 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF. 2917 29182007-10-09 Roland McGrath <roland@redhat.com> 2919 2920 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when 2921 caching SHDR->sh_addr = 0. 2922 * offline.c (dwfl_offline_section_address): Never called for sh_addr 2923 really at 0, don't check for it. Use MOD->debug directly, not symfile. 2924 2925 * dwfl_module_getdwarf.c (load_symtab): Return success properly when 2926 we've found SHT_SYMTAB. 2927 2928 * relocate.c (relocate_getsym): New function. 2929 (__libdwfl_relocate): Use it. 2930 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX 2931 be a pointer instead of value; cache getshstrndx result there. 2932 * libdwflP.h: Update decl. 2933 * derelocate.c (cache_sections): Update caller. 2934 Always work on the main file, not the symfile. 2935 (dwfl_module_address_section): Likewise. 2936 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller. 2937 29382007-10-07 Roland McGrath <roland@redhat.com> 2939 2940 * offline.c (process_archive): Initialize MOD. 2941 2942 * linux-kernel-modules.c (get_release): New function, broken out of ... 2943 (report_kernel): ... here. Call it. 2944 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set. 2945 (find_kernel_elf): Update caller. 2946 (report_kernel_archive): New function. 2947 (dwfl_linux_kernel_report_offline): Call it. 2948 2949 * offline.c (process_file): Take new arg PREDICATE, pass it down. 2950 (process_archive): Likewise. 2951 (process_archive_member): Likewise. When nonnull, let the predicate 2952 decide whether to use this member. 2953 (__libdwfl_report_offline): New function, broken out of ... 2954 (dwfl_report_offline): ... here. Call it. 2955 * libdwflP.h: Declare it. 2956 2957 * offline.c (process_archive, process_archive_member): New functions. 2958 (process_elf, process_file): New functions, broken out of ... 2959 (dwfl_report_offline): ... here. Call process_file, which recurses on 2960 ELF_K_AR files. 2961 2962 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ... 2963 (dwfl_report_elf): ... here. Call it. 2964 * libdwflP.h: Declare it. 2965 29662007-10-06 Roland McGrath <roland@redhat.com> 2967 2968 * derelocate.c (dwfl_module_relocations): Don't call 2969 dwfl_module_getdwarf. 2970 2971 * derelocate.c (find_section): Use __libdwfl_seterrno, not 2972 __libdw_seterrno. 2973 2974 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not 2975 SHF_ALLOC, to cache sh_addr resolved to 0. 2976 2977 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr 2978 values nonzero already, just use its existing layout. 2979 2980 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its 2981 in-core shdr after applying it. 2982 29832007-10-04 Ulrich Drepper <drepper@redhat.com> 2984 2985 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake 2986 initialization of notes variable. 2987 29882007-10-04 Roland McGrath <roland@redhat.com> 2989 2990 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES, 2991 fill in with vaddr of "__start_notes" symbol if found. 2992 (check_notes): New function. 2993 (check_kernel_notes): New function. 2994 (dwfl_linux_kernel_report_kernel): Call it. 2995 (check_module_notes): New function. 2996 (dwfl_linux_kernel_report_modules): Call it. 2997 2998 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): 2999 Try dwfl_build_id_find_elf first. 3000 3001 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT. 3002 Set kernel module e_type to ET_DYN. 3003 30042007-10-03 Roland McGrath <roland@redhat.com> 3005 3006 * find-debuginfo.c (validate): New function, broken out of ... 3007 (find_debuginfo_in_path): ... here. New function, broken out of ... 3008 (dwfl_standard_find_debuginfo): ... here. Call it, after trying 3009 dwfl_build_id_find_debuginfo first. 3010 3011 * dwfl_build_id_find_elf.c: New file. 3012 * dwfl_build_id_find_debuginfo.c: New file. 3013 * Makefile.am (libdwfl_a_SOURCES): Add them. 3014 * libdwfl.h: Declare them. 3015 * libdwflP.h: Add INTDECLs. 3016 3017 * dwfl_module_build_id.c: New file. 3018 * dwfl_module_report_build_id.c: New file. 3019 * Makefile.am (libdwfl_a_SOURCES): Add them. 3020 * libdwfl.h: Declare them. 3021 * libdwflP.h (struct Dwfl_Module): New members build_id_bits, 3022 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id. 3023 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits. 3024 3025 * dwfl_module_getdwarf.c (find_offsets): New function. 3026 (find_dynsym): New function, calls that. 3027 (find_symtab): Call it. 3028 30292007-09-11 Roland McGrath <roland@redhat.com> 3030 3031 * dwfl_module_addrsym.c: Prefer a later global symbol at the same 3032 address if its st_size is smaller. 3033 30342007-08-13 Roland McGrath <roland@redhat.com> 3035 3036 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler. 3037 30382007-08-12 Roland McGrath <roland@redhat.com> 3039 3040 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use 3041 FTS_LOGICAL. 3042 3043 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on 3044 a second phdr if it happens to match EHDR_VMA exactly. 3045 30462007-08-08 Roland McGrath <roland@redhat.com> 3047 3048 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and 3049 those with no names. Rewrite best symbol algorithm not to assume a 3050 sorted table and to be smarter handling sizeless symbols. 3051 30522007-07-16 Roland McGrath <roland@redhat.com> 3053 3054 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when 3055 reviving an existing module. 3056 30572007-06-08 Roland McGrath <roland@redhat.com> 3058 3059 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME. 3060 30612007-05-17 Roland McGrath <roland@redhat.com> 3062 3063 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at 3064 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel. 3065 (dwfl_linux_kernel_find_elf): Likewise. 3066 3067 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 3068 getline and sscanf instead of fscanf. 3069 30702007-05-08 Roland McGrath <roland@redhat.com> 3071 3072 * offline.c (dwfl_offline_section_address): Don't assume section 3073 numbers match between stripped and debuginfo files. Instead, assume 3074 only that the ordering among SHF_ALLOC sections matches. 3075 3076 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to 3077 pointer to string. 3078 (dwfl_linux_kernel_report_offline): Update caller. 3079 (dwfl_linux_kernel_report_kernel): Likewise. 3080 30812007-04-23 Roland McGrath <roland@redhat.com> 3082 3083 * argp-std.c (options): Fix group title string. 3084 3085 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl. 3086 Update via STATE->input every time we set STATE->hook, not only at 3087 ARGP_KEY_SUCCESS. 3088 3089 * dwfl_module.c (free_file): Free FILE->name. 3090 30912007-04-16 Roland McGrath <roland@redhat.com> 3092 3093 * derelocate.c (cache_sections): Apply bias to sh_addr. 3094 (compare_secrefs): Fix address comparison to avoid signed overflow. 3095 (find_section): New function, broken out of ... 3096 (dwfl_module_relocate_address): ... here, call it. 3097 (check_module): New function, broken out of ... 3098 (dwfl_module_relocate_address): ... here, call it. 3099 (dwfl_module_address_section): New function. 3100 * libdwfl.h: Declare it. 3101 31022007-03-26 Roland McGrath <roland@redhat.com> 3103 3104 * dwfl_module.c (__libdwfl_module_free): Free MOD itself. 3105 31062007-03-18 Roland McGrath <roland@redhat.com> 3107 3108 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of 3109 (find_debuginfo): ... here. Call it. 3110 Don't return error for libelf errors finding .gnu_debuglink section. 3111 31122007-03-12 Roland McGrath <roland@redhat.com> 3113 3114 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ... 3115 (dwfl_report_begin): ... here. Call it. 3116 * libdwfl.h: Declare it. 3117 * libdwflP.h: Add INTDECL. 3118 3119 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 3120 3121 * offline.c: Comment typo fix. 3122 31232007-03-04 Roland McGrath <roland@redhat.com> 3124 3125 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel". 3126 (find_kernel_elf): New function, broken out of ... 3127 (report_kernel): ... here. Call it. 3128 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME. 3129 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess 3130 virtual address bounds of kernel from symbols rounded to page size. 3131 (dwfl_linux_kernel_report_kernel): Use that if it works, before 3132 resorting to report_kernel. 3133 3134 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an 3135 ET_EXEC file with nonzero bias. 3136 3137 * dwfl_module_addrname.c (dwfl_module_addrname): Just call 3138 dwfl_module_addrsym. Guts moved to ... 3139 * dwfl_module_addrsym.c: ... here; new file. 3140 * Makefile.am (libdwfl_a_SOURCES): Add it. 3141 * libdwfl.h: Declare dwfl_module_addrsym. 3142 * libdwflP.h: Add INTDECL. 3143 31442007-03-03 Roland McGrath <roland@redhat.com> 3145 3146 * dwfl_module.c (free_file): New function, broken out of ... 3147 (__libdwfl_module_free): ... here. In it, close fd after elf_end. 3148 3149 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1 3150 on libelf failure. 3151 31522007-03-02 Roland McGrath <roland@redhat.com> 3153 3154 * linux-kernel-modules.c: Fix bogus error test for asprintf call. 3155 31562007-02-02 Roland McGrath <roland@redhat.com> 3157 3158 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary 3159 address exactly if it's no other module's low boundary. 3160 3161 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value 3162 and size cover the address, select the closest symbol with st_size==0 3163 that lies in the same section. 3164 31652007-01-29 Roland McGrath <roland@redhat.com> 3166 3167 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION, 3168 not PACKAGE_STRING. 3169 31702007-01-20 Roland McGrath <roland@redhat.com> 3171 3172 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1 3173 as omitted, not 0. 3174 * libdwfl.h (Dwfl_Callbacks): Update comment. 3175 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections. 3176 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 3177 For ignored missing section, use -1 instead of 0. 3178 * offline.c (dwfl_offline_section_address): Expect a call for 0. 3179 31802007-01-19 Roland McGrath <roland@redhat.com> 3181 3182 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to 3183 zero so a lone -e foo.so is shown without address bias. 3184 31852007-01-10 Roland McGrath <roland@redhat.com> 3186 3187 * linux-kernel-modules.c (report_kernel): Check asprintf return value 3188 directly instead of via side effect, to silence warn_unused_result. 3189 (dwfl_linux_kernel_report_offline): Likewise. 3190 (dwfl_linux_kernel_find_elf): Likewise. 3191 (dwfl_linux_kernel_module_section_address): Likewise. 3192 * find-debuginfo.c (try_open): Likewise. 3193 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise. 3194 (dwfl_linux_proc_report): Likewise. 3195 3196 * libdwfl.h (dwfl_begin): Require nonnull argument. 3197 31982006-12-27 Roland McGrath <roland@redhat.com> 3199 3200 * dwfl_module.c (compare_modules): Fix address comparison to avoid 3201 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>. 3202 32032006-10-30 Roland McGrath <roland@redhat.com> 3204 3205 * dwfl_module.c (dwfl_report_module): Comment typo fix. 3206 32072006-09-05 Roland McGrath <roland@redhat.com> 3208 3209 * derelocate.c (cache_sections): Use alloca instead of variable-sized 3210 auto array, in function already using alloca. 3211 32122006-08-14 Roland McGrath <roland@redhat.com> 3213 3214 * linux-kernel-modules.c (try_kernel_name): If the call to 3215 dwfl_standard_find_debuginfo produces no results, try it again 3216 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix. 3217 3218 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ... 3219 * libdwflP.h: ... to here. 3220 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it 3221 repeats the first thing dwfl_standard_find_debuginfo will try. 3222 3223 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro. 3224 (dwfl_linux_kernel_module_section_address): If a /sys file is missing 3225 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the 3226 section name. 3227 32282006-07-12 Ulrich Drepper <drepper@redhat.com> 3229 3230 * cu.c: Adjust for internal_function_def removal. 3231 * dwfl_error.c: Likewise. 3232 * dwfl_module.c: Likewise. 3233 * dwfl_module_getdwarf.c: Likewise. 3234 * lines.c: Likewise. 3235 * relocate.c: Likewise. 3236 32372006-07-11 Ulrich Drepper <drepper@redhat.com> 3238 3239 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value, 3240 it can overflow the return value type. 3241 Patch by Tim Moore <timoore@redhat.com>. 3242 32432006-06-28 Roland McGrath <roland@redhat.com> 3244 3245 * libdwfl.h: Cosmetic changes. 3246 3247 * dwfl_line_comp_dir.c: New file. 3248 * Makefile.am (libdwfl_a_SOURCES): Add it. 3249 * libdwfl.h: Declare dwfl_line_comp_dir. 3250 3251 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn. 3252 3253 * dwfl_linecu.c: New file. 3254 * Makefile.am (libdwfl_a_SOURCES): Add it. 3255 * libdwfl.h: Declare dwfl_linecu. 3256 3257 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu. 3258 (dwfl_linecu): Define as macro. 3259 3260 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym. 3261 3262 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function. 3263 (dwfl_module_addrname): Function moved ... 3264 * dwfl_module_addrname.c: ... here, new file. 3265 * dwfl_module_getsym.c: New file. 3266 * Makefile.am (libdwfl_a_SOURCES): Add them. 3267 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym. 3268 * libdwflP.h: Add INTDECLs. 3269 32702006-06-27 Roland McGrath <roland@redhat.com> 3271 3272 * dwfl_module.c (dwfl_report_end): Whitespace fix. 3273 32742006-06-13 Roland McGrath <roland@redhat.com> 3275 3276 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 3277 Use __libdwfl_seterrno for elf_memory failure. 3278 32792006-05-22 Roland McGrath <roland@redhat.com> 3280 3281 * dwfl_module_return_value_location.c 3282 (dwfl_module_return_value_location): Use __libdwfl_module_getebl. 3283 32842006-05-27 Ulrich Drepper <drepper@redhat.com> 3285 3286 * libdwfl.h: Add extern "C". 3287 32882006-05-22 Ulrich Drepper <drepper@redhat.com> 3289 3290 * cu.c (addrarange): Handle files without aranges information. 3291 32922006-05-16 Ulrich Drepper <drepper@redhat.com> 3293 3294 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of 3295 ->modules is NULL. 3296 32972006-02-26 Roland McGrath <roland@redhat.com> 3298 3299 * dwfl_version.c: New file. 3300 * Makefile.am (libdwfl_a_SOURCES): Add it. 3301 * libdwfl.h: Declare dwfl_version. 3302 3303 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having 3304 aligned up from DWFL->offline_next_address when checking for overlap. 3305 33062005-12-22 Roland McGrath <roland@redhat.com> 3307 3308 * argp-std.c (parse_opt): Call dwfl_end in failure cases. 3309 3310 * linux-proc-maps.c (proc_maps_report): New function, broken out of ... 3311 (dwfl_linux_proc_report): ... here. Call it. 3312 (dwfl_linux_proc_maps_report): New function. 3313 * libdwfl.h: Declare it. 3314 * libdwflP.h: Add INTDECL. 3315 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map. 3316 3317 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf 3318 failed with DWFL_E_NO_DWARF. 3319 33202005-11-26 Roland McGrath <roland@redhat.com> 3321 3322 * dwfl_end.c (dwfl_end): Free the DWFL itself. 3323 33242005-11-25 Roland McGrath <roland@redhat.com> 3325 3326 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function. 3327 (load_dw): Use it. 3328 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise. 3329 * libdwflP.h: Declare it. 3330 3331 * dwfl_module_register_names.c: New file. 3332 * Makefile.am (libdwfl_a_SOURCES): Add it. 3333 * libdwfl.h: Declare dwfl_module_register_names. 3334 33352005-11-21 Roland McGrath <roland@redhat.com> 3336 3337 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 3338 Don't leak malloc'd file name. 3339 If a /sys/.../sections file is missing and starts with ".init", 3340 try the variant with "_init" too; catches PPC64 kernel braindamage. 3341 33422005-11-15 Roland McGrath <roland@redhat.com> 3343 3344 * libdwfl.h: Comment fixes. 3345 3346 * dwfl_module_return_value_location.c: Add unlikely for error case. 3347 33482005-11-13 Roland McGrath <roland@redhat.com> 3349 3350 * dwfl_return_value_location.c: New file. 3351 * Makefile.am (libdwfl_a_SOURCES): Add it. 3352 * libdwfl.h: Declare dwfl_module_return_value_location. 3353 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE. 3354 33552005-10-20 Roland McGrath <roland@redhat.com> 3356 3357 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE. 3358 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE 3359 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE. 3360 33612005-10-01 Roland McGrath <roland@redhat.com> 3362 3363 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail 3364 with errno 0. 3365 33662005-09-19 Roland McGrath <roland@redhat.com> 3367 3368 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 3369 PRIx64 instead of PRIi64, lest addresses with high bits set overflow 3370 the signed integer reading; they will just have to be in hexadecimal. 3371 (dwfl_linux_kernel_module_section_address): Likewise. 3372 33732005-08-28 Ulrich Drepper <drepper@redhat.com> 3374 3375 * Makefile.am (%.os): Use COMPILE.os. 3376 (COMPILE.os): Filter out gconv options. 3377 33782005-08-25 Roland McGrath <roland@redhat.com> 3379 3380 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end. 3381 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info. 3382 33832005-08-24 Roland McGrath <roland@redhat.com> 3384 3385 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it. 3386 3387 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function, 3388 magic initializer to set -heur-stack-bound option. 3389 33902005-08-22 Roland McGrath <roland@redhat.com> 3391 3392 * dwfl_validate_address.c: New file. 3393 * Makefile.am (libdwfl_a_SOURCES): Add it. 3394 * libdwfl.h: Declare dwfl_validate_address. 3395 3396 * derelocate.c (dwfl_module_relocate_address): Add INTDEF. 3397 * libdwflP.h: Add INTDECL. 3398 3399 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of 3400 elf_rawdata for symbol-related sections. 3401 3402 * offline.c (dwfl_report_offline): Move offline_next_address outside 3403 module's range, in case it's an ET_EXEC using fixed segment locations. 3404 * libdwfl.h: Update comment. 3405 3406 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's 3407 required alignment. 3408 34092005-08-20 Roland McGrath <roland@redhat.com> 3410 3411 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE, 3412 function to choose whether to report. 3413 (dwfl_linux_kernel_report_offline): Likewise. 3414 * libdwfl.h: Update decl. 3415 * argp-std.c (parse_opt): Update caller. 3416 3417 * dwfl_getsrclines.c: New file. 3418 * dwfl_onesrcline.c: New file. 3419 * Makefile.am (libdwfl_a_SOURCES): Add them. 3420 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline. 3421 3422 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak 3423 MODULESDIR[0]. Call fts_close on failure. 3424 3425 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *. 3426 Close ET_REL file descriptors after relocation. 3427 (find_dw): Update caller. 3428 * offline.c (dwfl_report_offline): Get the file into memory and close 3429 the file descriptor. 3430 3431 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when 3432 MOD->debug.elf is already set. 3433 3434 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY. 3435 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR. 3436 3437 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use 3438 dwfl_linux_kernel_report_offline with offline_callbacks. 3439 3440 * linux-kernel-modules.c (report_kernel): New function, broken out of 3441 ... 3442 (dwfl_linux_kernel_report_kernel): ... here. Use it. 3443 (dwfl_linux_kernel_report_offline): New function. 3444 * libdwfl.h: Declare it. 3445 * libdwflP.h: Add INTDECL. 3446 34472005-08-19 Roland McGrath <roland@redhat.com> 3448 3449 Use standard debuginfo search path to look for vmlinux. 3450 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if 3451 passed zero. 3452 * linux-kernel-modules.c (try_kernel_name): New function, broken out 3453 of ... 3454 (dwfl_linux_kernel_report_kernel): ... here. Use it. 3455 3456 * argp-std.c (offline_callbacks): New variable. 3457 (parse_opt): Use it for -e. Allow multiple -e options. 3458 3459 * offline.c: New file. 3460 * Makefile.am (libdwfl_a_SOURCES): Add it. 3461 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline. 3462 * libdwflP.h: Add INTDECLs. 3463 (OFFLINE_REDZONE): New macro. 3464 (struct Dwfl): New member `offline_next_address'. 3465 * dwfl_begin.c (dwfl_begin): Initialize it. 3466 * dwfl_module.c (dwfl_report_begin): Likewise. 3467 3468 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL, 3469 do a nominal absolute section layout starting at BASE. 3470 * libdwfl.h: Update comment. 3471 34722005-08-18 Roland McGrath <roland@redhat.com> 3473 3474 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do 3475 dwfl_module_getdwarf if necessary. 3476 3477 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0. 3478 * libdwfl.h: Update comment. 3479 3480 * derelocate.c: New file. 3481 * Makefile.am (libdwfl_a_SOURCES): Add it. 3482 3483 * libdwflP.h (struct Dwfl_Module): isrel -> e_type. 3484 * dwfl_report_elf.c (dwfl_report_elf): Initialize it. 3485 * dwfl_module_getdwarf.c (open_elf): Update initialization. 3486 (load_dw, dwfl_module_addrname): Update uses. 3487 * relocate.c (__libdwfl_relocate): Likewise. 3488 34892005-08-04 Roland McGrath <roland@redhat.com> 3490 3491 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional 3492 arguments SHNDX, SHDR. 3493 (dwfl_linux_kernel_module_section_address): Update prototype. 3494 * relocate.c (__libdwfl_relocate_value): Update caller. 3495 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 3496 Take the new arguments. 3497 34982005-08-10 Roland McGrath <roland@redhat.com> 3499 3500 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE, 3501 use it instead of MOD->debug.file. 3502 * libdwflP.h: Update decl. 3503 * dwfl_module_getdwarf.c (load_dw): Update caller. 3504 Fixes bug #165598. 3505 35062005-08-09 Roland McGrath <roland@redhat.com> 3507 3508 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs. 3509 * cu.c: Use INTUSE on dwarf_* calls. 3510 * dwfl_error.c: Likewise. 3511 * dwfl_module.c: Likewise. 3512 * dwfl_module_getdwarf.c: Likewise. 3513 * dwfl_module_getsrc_file.c: Likewise. 3514 * lines.c: Likewise. 3515 35162005-08-07 Roland McGrath <roland@redhat.com> 3517 3518 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module 3519 names contain '_' or '-', look for files named either "foo-bar.ko" 3520 or "foo_bar.ko". 3521 35222005-07-29 Roland McGrath <roland@redhat.com> 3523 3524 * loc2c.c: File removed. 3525 * loc2c.h: File removed. 3526 * loc2c-runtime.h: File removed. 3527 * test2.c: File removed. 3528 * Makefile.am (EXTRA_DIST): Variable removed. 3529 (noinst_HEADERS): Remove loc2c.h from here. 3530 35312005-07-28 Ulrich Drepper <drepper@redhat.com> 3532 3533 * libdwfl.h: Add a few missing extern for function prototypes. 3534 3535 * libdwfl_crc32.c: New file. 3536 * libdwfl_crc32_file.c: New file. 3537 * libdwflP.h: Declare the new functions. 3538 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and 3539 libdwfl_crc32_file.c. 3540 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file 3541 instead of crc32_file. 3542 35432005-07-28 Roland McGrath <roland@redhat.com> 3544 3545 * ptest.c: Moved to ../tests/dwflmodtest.c. 3546 3547 * Makefile.am (noinst_PROGRAMS): Variable removed. 3548 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise. 3549 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise. 3550 (libdwfl): Don't use libdwfl.so any more. 3551 (libdwfl.so, install, uninstall): Targets removed. 3552 (test2_SOURCES): Define EXTRA_DIST instead of this. 3553 * libdwfl.map: File removed. 3554 3555 * libdwfl.h: Use "" for libdw.h #include. 3556 35572005-07-27 Roland McGrath <roland@redhat.com> 3558 3559 * libdwfl.map: Add dwfl_getmodules. 3560 35612005-07-23 Ulrich Drepper <drepper@redhat.com> 3562 3563 * Makefile.am: Fix rules to allow building with mudflap. 3564 35652005-07-21 Roland McGrath <roland@redhat.com> 3566 3567 * Makefile.am (noinst_HEADERS): Add loc2c.c. 3568 3569 * test2.c (main): Check sscanf result to quiet warning. 3570 35712005-07-20 Roland McGrath <roland@redhat.com> 3572 3573 * libdwfl-branch merged, creating this direcotry. 3574