1 2008-12-16 Roland McGrath <roland (a] redhat.com> 2 3 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and 4 symver magic to bind to ELFUTILS_0.138. 5 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible 6 wrapper for ELFUTILS_0.130 version set. 7 8 2008-12-18 Roland McGrath <roland (a] redhat.com> 9 10 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN 11 addresses are taken as relative to MOD->low_addr. 12 13 2008-12-15 Roland McGrath <roland (a] redhat.com> 14 15 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not 16 debug.bias. 17 18 2008-12-11 Roland McGrath <roland (a] redhat.com> 19 20 * offline.c (process_archive): Don't call elf_end and close if 21 returning NULL. Check first elf_begin call and set error code 22 specially for empty archive. 23 Fixes RHBZ#465878. 24 25 2008-12-02 Roland McGrath <roland (a] redhat.com> 26 27 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. 28 29 2008-11-26 Roland McGrath <roland (a] redhat.com> 30 31 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in 32 return value, and interpret encoded OFFSET argument. 33 34 2008-10-07 Roland McGrath <roland (a] redhat.com> 35 36 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. 37 38 2008-09-29 Roland McGrath <roland (a] redhat.com> 39 40 * segment.c (insert): Must realloc DWFL->lookup_module here too. 41 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls. 42 43 2008-08-28 Roland McGrath <roland (a] redhat.com> 44 45 * segment.c (reify_segments): Fix last change. 46 47 2008-08-27 Roland McGrath <roland (a] redhat.com> 48 49 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM 50 failure from pread64. 51 52 2008-08-26 Roland McGrath <roland (a] redhat.com> 53 54 * segment.c (reify_segments): Insert a trailing segment for a module 55 end that is above the highest current segment. 56 57 2008-08-25 Roland McGrath <roland (a] redhat.com> 58 59 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for 60 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF 61 if FILE->elf is not ELF_K_ELF. 62 63 * dwfl_segment_report_module.c: Add a cast. 64 65 2008-08-21 Denys Vlasenko <dvlasenk (a] redhat.com> 66 67 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic 68 which decides which symbol is "closest" to a given address. 69 70 2008-08-15 Roland McGrath <roland (a] redhat.com> 71 72 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. 73 (options, parse_opt): Handle --core. 74 75 * core-file.c: New file. 76 * Makefile.am (libdwfl_a_SOURCES): Add it. 77 * libdwflP.h (dwfl_core_file_report): Declare it. 78 79 * link_map.c: New file. 80 * Makefile.am (libdwfl_a_SOURCES): Add it. 81 * libdwflP.h (dwfl_link_map_report): Declare it. 82 83 * libdwflP.h (MIN, MAX): New macros. 84 (Dwfl_Memory_Callback): New typedef. 85 (Dwfl_Module_Callback): New typedef. 86 (dwfl_segment_report_module): Declare it. 87 * dwfl_segment_report_module.c: New file. 88 * Makefile.am (libdwfl_a_SOURCES): Add it. 89 90 * derelocate.c (dwfl_module_address_section): Add INTDEF. 91 * libdwflP.h: Add INTDECL. 92 93 * segment.c: New file. 94 * Makefile.am (libdwfl_a_SOURCES): Add it. 95 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment. 96 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc, 97 lookup_addr, lookup_module, lookup_segndx, replace removed members 98 modules, nmodules. 99 (struct Dwfl_Module): New member segment. 100 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist 101 to each free module. 102 * dwfl_module.c (dwfl_report_begin_add): Do nothing. 103 (dwfl_report_begin): Don't call it. Truncate the segment table instead. 104 (dwfl_report_module): Don't touch DWFL->nmodules. 105 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules. 106 (compare_modules): Function removed. 107 * dwfl_getmodules.c: Rewritten. 108 Add INTDEF. 109 * libdwflP.h: Add INTDECLs. 110 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules. 111 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment. 112 113 2008-08-03 Roland McGrath <roland (a] redhat.com> 114 115 * linux-kernel-modules.c: Include <fts.h> before <config.h>. 116 117 2008-07-17 Roland McGrath <roland (a] redhat.com> 118 119 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to 120 zero if the failure was only ENOENT. 121 122 2008-06-03 Roland McGrath <roland (a] redhat.com> 123 124 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined 125 symbols. 126 127 2008-05-22 Petr Machata <pmachata (a] redhat.com> 128 129 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. 130 131 2008-05-06 Roland McGrath <roland (a] frob.com> 132 133 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use 134 FTS_LOGICAL here too. 135 (dwfl_linux_kernel_find_elf): Likewise. 136 137 2008-04-29 Roland McGrath <roland (a] redhat.com> 138 139 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search 140 based on canonicalize_file_name if it differs from the supplied name. 141 142 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so 143 we accept symlinks. 144 145 2008-04-27 Roland McGrath <roland (a] redhat.com> 146 147 * linux-kernel-modules.c (report_kernel): Fix crash when 148 dwfl_report_elf fails. 149 150 2008-04-05 Roland McGrath <roland (a] redhat.com> 151 152 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE. 153 154 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits. 155 Clear it after freeing. 156 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise. 157 158 2008-03-26 Roland McGrath <roland (a] redhat.com> 159 160 * dwfl_module_getdwarf.c (load_symtab): Don't return success for 161 SHT_DYNSYM, just set *SYMSCN like the comment says. 162 163 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array. 164 165 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure. 166 167 2008-03-19 Roland McGrath <roland (a] redhat.com> 168 169 * dwfl_module_getsrc.c: Adjust address for module bias before search. 170 171 2008-03-01 Roland McGrath <roland (a] redhat.com> 172 173 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from 174 prototype to avoid older compiler's complaint about reuse of the name. 175 (__libdwfl_canon_error): Likewise. 176 177 2008-02-19 Roland McGrath <roland (a] redhat.com> 178 179 * relocate.c (relocate_section): Check for an unhandled relocation 180 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE -> 181 DWFL_E_UNKNOWN_MACHINE check out of loops. 182 183 * dwfl_module_getdwarf.c (load_dw): Skip relocation if 184 DEBUGFILE->relocated is already set. 185 186 2008-01-26 Roland McGrath <roland (a] redhat.com> 187 188 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null. 189 190 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear 191 incoming *FILE_NAME at the start. 192 193 2008-01-08 Roland McGrath <roland (a] redhat.com> 194 195 * Makefile.am (euinclude): Variable removed. 196 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 197 198 2007-10-23 Roland McGrath <roland (a] redhat.com> 199 200 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel 201 module to appear first. 202 203 2007-10-20 Roland McGrath <roland (a] redhat.com> 204 205 * offline.c (process_archive_member): Take FD argument, pass it down 206 to process_file. Return Elf_Cmd, not bool. 207 Call elf_next here, always before elf_end. 208 (process_archive): Update caller. Don't close FD here unless there 209 are no member refs. 210 211 * dwfl_module.c (free_file): Close fd only when elf_end returns zero. 212 213 * libdwflP.h (struct dwfl_file): New bool member `relocated'. 214 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply 215 partial relocation to one or both files. 216 (dwfl_module_getdwarf): For ET_REL, make sure extra sections' 217 relocations have been applied to the debug file if dwfl_module_getelf 218 has been used before. 219 220 * relocate.c (resolve_symbol): New function. 221 (relocate_section): Call it. 222 223 * relocate.c (relocate_getsym): Handle null MOD->symfile. 224 (relocate_section): Take new bool arg, PARTIAL. If true, 225 no error for BADRELTYPE/RELUNDEF, instead just skip them 226 and leave only those skipped relocs behind the reloc section. 227 (__libdwfl_relocate_section): Take new arg, pass it down. 228 (__libdwfl_relocate): Take new bool arg, DEBUG. If false, 229 do partial relocation on all sections. 230 * dwfl_module_getdwarf.c (load_dw): Update caller. 231 * libdwflP.h: Update decls. 232 * derelocate.c (dwfl_module_address_section): Pass new argument 233 to __libdwfl_relocate_section, true. 234 235 * derelocate.c (cache_sections): Don't cache reloc sections when 236 section_address callback is null. 237 238 2007-10-19 Roland McGrath <roland (a] redhat.com> 239 240 * relocate.c (relocate_section): Fix fencepost error in r_offset check. 241 242 * derelocate.c (struct dwfl_relocation): Add member `relocs'. 243 (struct secref): Likewise. 244 (cache_sections): Cache the relocation section referring to each 245 section we cache, if any. 246 (dwfl_module_address_section): Use __libdwfl_relocate_section as 247 necessary. 248 249 * relocate.c (struct reloc_symtab_cache): New type. 250 (relocate_getsym): Use it instead of four arguments. 251 (__libdwfl_relocate): Update caller. 252 (relocate_section): New function, broken out of ... 253 (__libdwfl_relocate): ... here. 254 (__libdwfl_relocate_section): New function. 255 * libdwflP.h: Declare it. 256 257 2007-10-17 Roland McGrath <roland (a] redhat.com> 258 259 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias 260 to relocated st_value. 261 262 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for 263 ET_REL to 0x100. 264 265 2007-10-16 Roland McGrath <roland (a] redhat.com> 266 267 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later 268 section has larger alignment requirements not met by the original BASE, 269 rather than padding more between sections. 270 271 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation. 272 273 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias 274 to sh_addr value. 275 276 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE 277 at zero in ET_REL case. Adjust BASE to necessary alignment. 278 279 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value 280 for DATA_VADDR. 281 (__libdwfl_find_build_id): Update caller. 282 283 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset. 284 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 285 * offline.c (dwfl_offline_section_address): Bail early if there is 286 separate debug file. 287 288 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF. 289 290 2007-10-09 Roland McGrath <roland (a] redhat.com> 291 292 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when 293 caching SHDR->sh_addr = 0. 294 * offline.c (dwfl_offline_section_address): Never called for sh_addr 295 really at 0, don't check for it. Use MOD->debug directly, not symfile. 296 297 * dwfl_module_getdwarf.c (load_symtab): Return success properly when 298 we've found SHT_SYMTAB. 299 300 * relocate.c (relocate_getsym): New function. 301 (__libdwfl_relocate): Use it. 302 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX 303 be a pointer instead of value; cache getshstrndx result there. 304 * libdwflP.h: Update decl. 305 * derelocate.c (cache_sections): Update caller. 306 Always work on the main file, not the symfile. 307 (dwfl_module_address_section): Likewise. 308 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller. 309 310 2007-10-07 Roland McGrath <roland (a] redhat.com> 311 312 * offline.c (process_archive): Initialize MOD. 313 314 * linux-kernel-modules.c (get_release): New function, broken out of ... 315 (report_kernel): ... here. Call it. 316 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set. 317 (find_kernel_elf): Update caller. 318 (report_kernel_archive): New function. 319 (dwfl_linux_kernel_report_offline): Call it. 320 321 * offline.c (process_file): Take new arg PREDICATE, pass it down. 322 (process_archive): Likewise. 323 (process_archive_member): Likewise. When nonnull, let the predicate 324 decide whether to use this member. 325 (__libdwfl_report_offline): New function, broken out of ... 326 (dwfl_report_offline): ... here. Call it. 327 * libdwflP.h: Declare it. 328 329 * offline.c (process_archive, process_archive_member): New functions. 330 (process_elf, process_file): New functions, broken out of ... 331 (dwfl_report_offline): ... here. Call process_file, which recurses on 332 ELF_K_AR files. 333 334 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ... 335 (dwfl_report_elf): ... here. Call it. 336 * libdwflP.h: Declare it. 337 338 2007-10-06 Roland McGrath <roland (a] redhat.com> 339 340 * derelocate.c (dwfl_module_relocations): Don't call 341 dwfl_module_getdwarf. 342 343 * derelocate.c (find_section): Use __libdwfl_seterrno, not 344 __libdw_seterrno. 345 346 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not 347 SHF_ALLOC, to cache sh_addr resolved to 0. 348 349 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr 350 values nonzero already, just use its existing layout. 351 352 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its 353 in-core shdr after applying it. 354 355 2007-10-04 Ulrich Drepper <drepper (a] redhat.com> 356 357 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake 358 initialization of notes variable. 359 360 2007-10-04 Roland McGrath <roland (a] redhat.com> 361 362 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES, 363 fill in with vaddr of "__start_notes" symbol if found. 364 (check_notes): New function. 365 (check_kernel_notes): New function. 366 (dwfl_linux_kernel_report_kernel): Call it. 367 (check_module_notes): New function. 368 (dwfl_linux_kernel_report_modules): Call it. 369 370 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): 371 Try dwfl_build_id_find_elf first. 372 373 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT. 374 Set kernel module e_type to ET_DYN. 375 376 2007-10-03 Roland McGrath <roland (a] redhat.com> 377 378 * find-debuginfo.c (validate): New function, broken out of ... 379 (find_debuginfo_in_path): ... here. New function, broken out of ... 380 (dwfl_standard_find_debuginfo): ... here. Call it, after trying 381 dwfl_build_id_find_debuginfo first. 382 383 * dwfl_build_id_find_elf.c: New file. 384 * dwfl_build_id_find_debuginfo.c: New file. 385 * Makefile.am (libdwfl_a_SOURCES): Add them. 386 * libdwfl.h: Declare them. 387 * libdwflP.h: Add INTDECLs. 388 389 * dwfl_module_build_id.c: New file. 390 * dwfl_module_report_build_id.c: New file. 391 * Makefile.am (libdwfl_a_SOURCES): Add them. 392 * libdwfl.h: Declare them. 393 * libdwflP.h (struct Dwfl_Module): New members build_id_bits, 394 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id. 395 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits. 396 397 * dwfl_module_getdwarf.c (find_offsets): New function. 398 (find_dynsym): New function, calls that. 399 (find_symtab): Call it. 400 401 2007-09-11 Roland McGrath <roland (a] redhat.com> 402 403 * dwfl_module_addrsym.c: Prefer a later global symbol at the same 404 address if its st_size is smaller. 405 406 2007-08-13 Roland McGrath <roland (a] redhat.com> 407 408 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler. 409 410 2007-08-12 Roland McGrath <roland (a] redhat.com> 411 412 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use 413 FTS_LOGICAL. 414 415 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on 416 a second phdr if it happens to match EHDR_VMA exactly. 417 418 2007-08-08 Roland McGrath <roland (a] redhat.com> 419 420 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and 421 those with no names. Rewrite best symbol algorithm not to assume a 422 sorted table and to be smarter handling sizeless symbols. 423 424 2007-07-16 Roland McGrath <roland (a] redhat.com> 425 426 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when 427 reviving an existing module. 428 429 2007-06-08 Roland McGrath <roland (a] redhat.com> 430 431 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME. 432 433 2007-05-17 Roland McGrath <roland (a] redhat.com> 434 435 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at 436 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel. 437 (dwfl_linux_kernel_find_elf): Likewise. 438 439 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 440 getline and sscanf instead of fscanf. 441 442 2007-05-08 Roland McGrath <roland (a] redhat.com> 443 444 * offline.c (dwfl_offline_section_address): Don't assume section 445 numbers match between stripped and debuginfo files. Instead, assume 446 only that the ordering among SHF_ALLOC sections matches. 447 448 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to 449 pointer to string. 450 (dwfl_linux_kernel_report_offline): Update caller. 451 (dwfl_linux_kernel_report_kernel): Likewise. 452 453 2007-04-23 Roland McGrath <roland (a] redhat.com> 454 455 * argp-std.c (options): Fix group title string. 456 457 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl. 458 Update via STATE->input every time we set STATE->hook, not only at 459 ARGP_KEY_SUCCESS. 460 461 * dwfl_module.c (free_file): Free FILE->name. 462 463 2007-04-16 Roland McGrath <roland (a] redhat.com> 464 465 * derelocate.c (cache_sections): Apply bias to sh_addr. 466 (compare_secrefs): Fix address comparison to avoid signed overflow. 467 (find_section): New function, broken out of ... 468 (dwfl_module_relocate_address): ... here, call it. 469 (check_module): New function, broken out of ... 470 (dwfl_module_relocate_address): ... here, call it. 471 (dwfl_module_address_section): New function. 472 * libdwfl.h: Declare it. 473 474 2007-03-26 Roland McGrath <roland (a] redhat.com> 475 476 * dwfl_module.c (__libdwfl_module_free): Free MOD itself. 477 478 2007-03-18 Roland McGrath <roland (a] redhat.com> 479 480 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of 481 (find_debuginfo): ... here. Call it. 482 Don't return error for libelf errors finding .gnu_debuglink section. 483 484 2007-03-12 Roland McGrath <roland (a] redhat.com> 485 486 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ... 487 (dwfl_report_begin): ... here. Call it. 488 * libdwfl.h: Declare it. 489 * libdwflP.h: Add INTDECL. 490 491 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 492 493 * offline.c: Comment typo fix. 494 495 2007-03-04 Roland McGrath <roland (a] redhat.com> 496 497 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel". 498 (find_kernel_elf): New function, broken out of ... 499 (report_kernel): ... here. Call it. 500 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME. 501 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess 502 virtual address bounds of kernel from symbols rounded to page size. 503 (dwfl_linux_kernel_report_kernel): Use that if it works, before 504 resorting to report_kernel. 505 506 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an 507 ET_EXEC file with nonzero bias. 508 509 * dwfl_module_addrname.c (dwfl_module_addrname): Just call 510 dwfl_module_addrsym. Guts moved to ... 511 * dwfl_module_addrsym.c: ... here; new file. 512 * Makefile.am (libdwfl_a_SOURCES): Add it. 513 * libdwfl.h: Declare dwfl_module_addrsym. 514 * libdwflP.h: Add INTDECL. 515 516 2007-03-03 Roland McGrath <roland (a] redhat.com> 517 518 * dwfl_module.c (free_file): New function, broken out of ... 519 (__libdwfl_module_free): ... here. In it, close fd after elf_end. 520 521 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1 522 on libelf failure. 523 524 2007-03-02 Roland McGrath <roland (a] redhat.com> 525 526 * linux-kernel-modules.c: Fix bogus error test for asprintf call. 527 528 2007-02-02 Roland McGrath <roland (a] redhat.com> 529 530 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary 531 address exactly if it's no other module's low boundary. 532 533 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value 534 and size cover the address, select the closest symbol with st_size==0 535 that lies in the same section. 536 537 2007-01-29 Roland McGrath <roland (a] redhat.com> 538 539 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION, 540 not PACKAGE_STRING. 541 542 2007-01-20 Roland McGrath <roland (a] redhat.com> 543 544 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1 545 as omitted, not 0. 546 * libdwfl.h (Dwfl_Callbacks): Update comment. 547 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections. 548 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 549 For ignored missing section, use -1 instead of 0. 550 * offline.c (dwfl_offline_section_address): Expect a call for 0. 551 552 2007-01-19 Roland McGrath <roland (a] redhat.com> 553 554 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to 555 zero so a lone -e foo.so is shown without address bias. 556 557 2007-01-10 Roland McGrath <roland (a] redhat.com> 558 559 * linux-kernel-modules.c (report_kernel): Check asprintf return value 560 directly instead of via side effect, to silence warn_unused_result. 561 (dwfl_linux_kernel_report_offline): Likewise. 562 (dwfl_linux_kernel_find_elf): Likewise. 563 (dwfl_linux_kernel_module_section_address): Likewise. 564 * find-debuginfo.c (try_open): Likewise. 565 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise. 566 (dwfl_linux_proc_report): Likewise. 567 568 * libdwfl.h (dwfl_begin): Require nonnull argument. 569 570 2006-12-27 Roland McGrath <roland (a] redhat.com> 571 572 * dwfl_module.c (compare_modules): Fix address comparison to avoid 573 signed overflow. Patch by Frank Ch. Eigler <fche (a] redhat.com>. 574 575 2006-10-30 Roland McGrath <roland (a] redhat.com> 576 577 * dwfl_module.c (dwfl_report_module): Comment typo fix. 578 579 2006-09-05 Roland McGrath <roland (a] redhat.com> 580 581 * derelocate.c (cache_sections): Use alloca instead of variable-sized 582 auto array, in function already alloca. 583 584 2006-08-14 Roland McGrath <roland (a] redhat.com> 585 586 * linux-kernel-modules.c (try_kernel_name): If the call to 587 dwfl_standard_find_debuginfo produces no results, try it again 588 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix. 589 590 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ... 591 * libdwflP.h: ... to here. 592 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it 593 repeats the first thing dwfl_standard_find_debuginfo will try. 594 595 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro. 596 (dwfl_linux_kernel_module_section_address): If a /sys file is missing 597 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the 598 section name. 599 600 2006-07-12 Ulrich Drepper <drepper (a] redhat.com> 601 602 * cu.c: Adjust for internal_function_def removal. 603 * dwfl_error.c: Likewise. 604 * dwfl_module.c: Likewise. 605 * dwfl_module_getdwarf.c: Likewise. 606 * lines.c: Likewise. 607 * relocate.c: Likewise. 608 609 2006-07-11 Ulrich Drepper <drepper (a] redhat.com> 610 611 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value, 612 it can overflow the return value type. 613 Patch by Tim Moore <timoore (a] redhat.com>. 614 615 2006-06-28 Roland McGrath <roland (a] redhat.com> 616 617 * libdwfl.h: Cosmetic changes. 618 619 * dwfl_line_comp_dir.c: New file. 620 * Makefile.am (libdwfl_a_SOURCES): Add it. 621 * libdwfl.h: Declare dwfl_line_comp_dir. 622 623 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn. 624 625 * dwfl_linecu.c: New file. 626 * Makefile.am (libdwfl_a_SOURCES): Add it. 627 * libdwfl.h: Declare dwfl_linecu. 628 629 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu. 630 (dwfl_linecu): Define as macro. 631 632 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym. 633 634 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function. 635 (dwfl_module_addrname): Function moved ... 636 * dwfl_module_addrname.c: ... here, new file. 637 * dwfl_module_getsym.c: New file. 638 * Makefile.am (libdwfl_a_SOURCES): Add them. 639 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym. 640 * libdwflP.h: Add INTDECLs. 641 642 2006-06-27 Roland McGrath <roland (a] redhat.com> 643 644 * dwfl_module.c (dwfl_report_end): Whitespace fix. 645 646 2006-06-13 Roland McGrath <roland (a] redhat.com> 647 648 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 649 Use __libdwfl_seterrno for elf_memory failure. 650 651 2006-05-22 Roland McGrath <roland (a] redhat.com> 652 653 * dwfl_module_return_value_location.c 654 (dwfl_module_return_value_location): Use __libdwfl_module_getebl. 655 656 2006-05-27 Ulrich Drepper <drepper (a] redhat.com> 657 658 * libdwfl.h: Add extern "C". 659 660 2006-05-22 Ulrich Drepper <drepper (a] redhat.com> 661 662 * cu.c (addrarange): Handle files without aranges information. 663 664 2006-05-16 Ulrich Drepper <drepper (a] redhat.com> 665 666 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of 667 ->modules is NULL. 668 669 2006-02-26 Roland McGrath <roland (a] redhat.com> 670 671 * dwfl_version.c: New file. 672 * Makefile.am (libdwfl_a_SOURCES): Add it. 673 * libdwfl.h: Declare dwfl_version. 674 675 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having 676 aligned up from DWFL->offline_next_address when checking for overlap. 677 678 2005-12-22 Roland McGrath <roland (a] redhat.com> 679 680 * argp-std.c (parse_opt): Call dwfl_end in failure cases. 681 682 * linux-proc-maps.c (proc_maps_report): New function, broken out of ... 683 (dwfl_linux_proc_report): ... here. Call it. 684 (dwfl_linux_proc_maps_report): New function. 685 * libdwfl.h: Declare it. 686 * libdwflP.h: Add INTDECL. 687 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map. 688 689 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf 690 failed with DWFL_E_NO_DWARF. 691 692 2005-11-26 Roland McGrath <roland (a] redhat.com> 693 694 * dwfl_end.c (dwfl_end): Free the DWFL itself. 695 696 2005-11-25 Roland McGrath <roland (a] redhat.com> 697 698 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function. 699 (load_dw): Use it. 700 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise. 701 * libdwflP.h: Declare it. 702 703 * dwfl_module_register_names.c: New file. 704 * Makefile.am (libdwfl_a_SOURCES): Add it. 705 * libdwfl.h: Declare dwfl_module_register_names. 706 707 2005-11-21 Roland McGrath <roland (a] redhat.com> 708 709 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 710 Don't leak malloc'd file name. 711 If a /sys/.../sections file is missing and starts with ".init", 712 try the variant with "_init" too; catches PPC64 kernel braindamage. 713 714 2005-11-15 Roland McGrath <roland (a] redhat.com> 715 716 * libdwfl.h: Comment fixes. 717 718 * dwfl_module_return_value_location.c: Add unlikely for error case. 719 720 2005-11-13 Roland McGrath <roland (a] redhat.com> 721 722 * dwfl_return_value_location.c: New file. 723 * Makefile.am (libdwfl_a_SOURCES): Add it. 724 * libdwfl.h: Declare dwfl_module_return_value_location. 725 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE. 726 727 2005-10-20 Roland McGrath <roland (a] redhat.com> 728 729 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE. 730 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE 731 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE. 732 733 2005-10-01 Roland McGrath <roland (a] redhat.com> 734 735 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail 736 with errno 0. 737 738 2005-09-19 Roland McGrath <roland (a] redhat.com> 739 740 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 741 PRIx64 instead of PRIi64, lest addresses with high bits set overflow 742 the signed integer reading; they will just have to be in hexadecimal. 743 (dwfl_linux_kernel_module_section_address): Likewise. 744 745 2005-08-28 Ulrich Drepper <drepper (a] redhat.com> 746 747 * Makefile.am (%.os): Use COMPILE.os. 748 (COMPILE.os): Filter out gconv options. 749 750 2005-08-25 Roland McGrath <roland (a] redhat.com> 751 752 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end. 753 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info. 754 755 2005-08-24 Roland McGrath <roland (a] redhat.com> 756 757 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it. 758 759 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function, 760 magic initializer to set -heur-stack-bound option. 761 762 2005-08-22 Roland McGrath <roland (a] redhat.com> 763 764 * dwfl_validate_address.c: New file. 765 * Makefile.am (libdwfl_a_SOURCES): Add it. 766 * libdwfl.h: Declare dwfl_validate_address. 767 768 * derelocate.c (dwfl_module_relocate_address): Add INTDEF. 769 * libdwflP.h: Add INTDECL. 770 771 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of 772 elf_rawdata for symbol-related sections. 773 774 * offline.c (dwfl_report_offline): Move offline_next_address outside 775 module's range, in case it's an ET_EXEC using fixed segment locations. 776 * libdwfl.h: Update comment. 777 778 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's 779 required alignment. 780 781 2005-08-20 Roland McGrath <roland (a] redhat.com> 782 783 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE, 784 function to choose whether to report. 785 (dwfl_linux_kernel_report_offline): Likewise. 786 * libdwfl.h: Update decl. 787 * argp-std.c (parse_opt): Update caller. 788 789 * dwfl_getsrclines.c: New file. 790 * dwfl_onesrcline.c: New file. 791 * Makefile.am (libdwfl_a_SOURCES): Add them. 792 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline. 793 794 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak 795 MODULESDIR[0]. Call fts_close on failure. 796 797 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *. 798 Close ET_REL file descriptors after relocation. 799 (find_dw): Update caller. 800 * offline.c (dwfl_report_offline): Get the file into memory and close 801 the file descriptor. 802 803 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when 804 MOD->debug.elf is already set. 805 806 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY. 807 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR. 808 809 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use 810 dwfl_linux_kernel_report_offline with offline_callbacks. 811 812 * linux-kernel-modules.c (report_kernel): New function, broken out of 813 ... 814 (dwfl_linux_kernel_report_kernel): ... here. Use it. 815 (dwfl_linux_kernel_report_offline): New function. 816 * libdwfl.h: Declare it. 817 * libdwflP.h: Add INTDECL. 818 819 2005-08-19 Roland McGrath <roland (a] redhat.com> 820 821 Use standard debuginfo search path to look for vmlinux. 822 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if 823 passed zero. 824 * linux-kernel-modules.c (try_kernel_name): New function, broken out 825 of ... 826 (dwfl_linux_kernel_report_kernel): ... here. Use it. 827 828 * argp-std.c (offline_callbacks): New variable. 829 (parse_opt): Use it for -e. Allow multiple -e options. 830 831 * offline.c: New file. 832 * Makefile.am (libdwfl_a_SOURCES): Add it. 833 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline. 834 * libdwflP.h: Add INTDECLs. 835 (OFFLINE_REDZONE): New macro. 836 (struct Dwfl): New member `offline_next_address'. 837 * dwfl_begin.c (dwfl_begin): Initialize it. 838 * dwfl_module.c (dwfl_report_begin): Likewise. 839 840 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL, 841 do a nominal absolute section layout starting at BASE. 842 * libdwfl.h: Update comment. 843 844 2005-08-18 Roland McGrath <roland (a] redhat.com> 845 846 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do 847 dwfl_module_getdwarf if necessary. 848 849 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0. 850 * libdwfl.h: Update comment. 851 852 * derelocate.c: New file. 853 * Makefile.am (libdwfl_a_SOURCES): Add it. 854 855 * libdwflP.h (struct Dwfl_Module): isrel -> e_type. 856 * dwfl_report_elf.c (dwfl_report_elf): Initialize it. 857 * dwfl_module_getdwarf.c (open_elf): Update initialization. 858 (load_dw, dwfl_module_addrname): Update uses. 859 * relocate.c (__libdwfl_relocate): Likewise. 860 861 2005-08-04 Roland McGrath <roland (a] redhat.com> 862 863 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional 864 arguments SHNDX, SHDR. 865 (dwfl_linux_kernel_module_section_address): Update prototype. 866 * relocate.c (__libdwfl_relocate_value): Update caller. 867 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 868 Take the new arguments. 869 870 2005-08-10 Roland McGrath <roland (a] redhat.com> 871 872 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE, 873 use it instead of MOD->debug.file. 874 * libdwflP.h: Update decl. 875 * dwfl_module_getdwarf.c (load_dw): Update caller. 876 Fixes bug #165598. 877 878 2005-08-09 Roland McGrath <roland (a] redhat.com> 879 880 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs. 881 * cu.c: Use INTUSE on dwarf_* calls. 882 * dwfl_error.c: Likewise. 883 * dwfl_module.c: Likewise. 884 * dwfl_module_getdwarf.c: Likewise. 885 * dwfl_module_getsrc_file.c: Likewise. 886 * lines.c: Likewise. 887 888 2005-08-07 Roland McGrath <roland (a] redhat.com> 889 890 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module 891 names contain '_' or '-', look for files named either "foo-bar.ko" 892 or "foo_bar.ko". 893 894 2005-07-29 Roland McGrath <roland (a] redhat.com> 895 896 * loc2c.c: File removed. 897 * loc2c.h: File removed. 898 * loc2c-runtime.h: File removed. 899 * test2.c: File removed. 900 * Makefile.am (EXTRA_DIST): Variable removed. 901 (noinst_HEADERS): Remove loc2c.h from here. 902 903 2005-07-28 Ulrich Drepper <drepper (a] redhat.com> 904 905 * libdwfl.h: Add a few missing extern for function prototypes. 906 907 * libdwfl_crc32.c: New file. 908 * libdwfl_crc32_file.c: New file. 909 * libdwflP.h: Declare the new functions. 910 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and 911 libdwfl_crc32_file.c. 912 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file 913 instead of crc32_file. 914 915 2005-07-28 Roland McGrath <roland (a] redhat.com> 916 917 * ptest.c: Moved to ../tests/dwflmodtest.c. 918 919 * Makefile.am (noinst_PROGRAMS): Variable removed. 920 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise. 921 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise. 922 (libdwfl): Don't use libdwfl.so any more. 923 (libdwfl.so, install, uninstall): Targets removed. 924 (test2_SOURCES): Define EXTRA_DIST instead of this. 925 * libdwfl.map: File removed. 926 927 * libdwfl.h: Use "" for libdw.h #include. 928 929 2005-07-27 Roland McGrath <roland (a] redhat.com> 930 931 * libdwfl.map: Add dwfl_getmodules. 932 933 2005-07-23 Ulrich Drepper <drepper (a] redhat.com> 934 935 * Makefile.am: Fix rules to allow building with mudflap. 936 937 2005-07-21 Roland McGrath <roland (a] redhat.com> 938 939 * Makefile.am (noinst_HEADERS): Add loc2c.c. 940 941 * test2.c (main): Check sscanf result to quiet warning. 942 943 2005-07-20 Roland McGrath <roland (a] redhat.com> 944 945 * libdwfl-branch merged, creating this direcotry. 946
