1 2011-12-02 Roland McGrath <roland (a] hack.frob.com> 2 3 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case 4 to use elf64_xlatetom and PHDRS.p64. 5 Reported by Serge Pavlov <serge.pavlov.at.gnu (a] gmail.com>. 6 7 2011-11-31 Mark Wielaard <mjw (a] redhat.com> 8 9 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all 10 global symbols. Then only when that doesn't provide a match search 11 all local symbols too. 12 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg 13 and fill it in. 14 (find_symtab): Initialize mod->first_global and pass it to load_symtab. 15 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field. 16 17 2011-11-31 Mark Wielaard <mjw (a] redhat.com> 18 19 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update 20 sizeless_sym if needed and closer to desired addr. 21 22 2011-10-20 Mark Wielaard <mjw (a] redhat.com> 23 24 * derelocate.c (cache_sections): Intern mod->reloc_info check. 25 (dwfl_module_relocations): Don't check mod->reloc_info. 26 (dwfl_module_relocation_info): Likewise. 27 (find_section): Likewise. 28 29 2011-07-09 Roland McGrath <roland (a] hack.frob.com> 30 31 * image-header.c (LE32): Macro removed (now in lib/system.h). 32 33 2011-04-11 Mark Wielaard <mjw (a] redhat.com> 34 35 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition 36 by check for zlib, bzlib or lzma defines to check it isn't empty. 37 (try_kernel_name): Use same guard for use of vmlinux_suffixes. 38 39 2011-03-08 Roland McGrath <roland (a] redhat.com> 40 41 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL. 42 Reported by Kurt Roeckx <kurt (a] roeckx.be>. 43 44 2011-02-11 Roland McGrath <roland (a] redhat.com> 45 46 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz 47 suffixes if corresponding decompression support is enabled. 48 49 2011-02-01 Roland McGrath <roland (a] redhat.com> 50 51 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the 52 section-end address as the synchronization point, rather than sh_addr. 53 54 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover 55 PT_INTERP p_vaddr separately from main phdrs and undo phdrs. 56 57 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in 58 last change, so we recognize PT_INTERP in ELFCLASS64 correctly. 59 60 2011-01-11 Roland McGrath <roland (a] redhat.com> 61 62 * dwfl_module_getdwarf.c (open_elf): Remove section-based 63 address_sync fixup from here. 64 (find_prelink_address_sync): New function. 65 (find_debuginfo): Call it. 66 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error. 67 68 2011-01-04 Roland McGrath <roland (a] redhat.com> 69 70 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation 71 logic to consider section addresses, the better to survive all the 72 possible prelink machinations. 73 * libdwflP.h (struct dwfl_file): Comment change. 74 75 2010-11-30 Roland McGrath <roland (a] redhat.com> 76 77 * derelocate.c (dwfl_module_relocations): Remove over-eager assert. 78 79 2010-11-12 Roland McGrath <roland (a] redhat.com> 80 81 * libdwflP.h (struct Dwfl_Module): New member main_bias. 82 (dwfl_adjusted_address, dwfl_deadjust_address): Use it. 83 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it. 84 85 * libdwflP.h (dwfl_deadjust_address): New function. 86 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions. 87 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr. 88 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value. 89 90 2010-11-11 Roland McGrath <roland (a] redhat.com> 91 92 * libdwflP.h (struct dwfl_file): Remove bias member. 93 Add vaddr and address_sync members instead. 94 (dwfl_adjusted_address): Calculate using vaddr. 95 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that. 96 (dwfl_adjusted_st_value): Use one of those calls. 97 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync. 98 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 99 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions. 100 * link_map.c (consider_executable): Adjust only MOD->low_addr for 101 detected PIE bias change. 102 103 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function. 104 * dwfl_module_info.c: Use it. 105 * cu.c (addrarange): Likewise. 106 * dwfl_dwarf_line.c: Likewise. 107 * dwfl_module_dwarf_cfi.c: Likewise. 108 * dwfl_lineinfo.c: Likewise. 109 * dwfl_nextcu.c: Likewise. 110 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise. 111 112 * libdwflP.h (dwfl_adjusted_st_value): New function. 113 * relocate.c (resolve_symbol): Use it. 114 * dwfl_module_getsym.c: Likewise. 115 * dwfl_module_addrsym.c: Likewise. 116 * dwfl_module_info.c: Likewise. 117 118 * libdwflP.h (dwfl_adjusted_address): New function. 119 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it. 120 * relocate.c (__libdwfl_relocate_value): Likewise. 121 * derelocate.c (cache_sections): Likewise. 122 (dwfl_module_address_section): Likewise. 123 * dwfl_module_getelf.c: Likewise. 124 * dwfl_module_eh_cfi.c: Likewise. 125 * link_map.c (consider_executable): Likewise. 126 127 2010-08-24 Roland McGrath <roland (a] redhat.com> 128 129 * dwfl_dwarf_line.c: New file. 130 * Makefile.am (libdwfl_a_SOURCES): Add it. 131 132 2010-08-18 Roland McGrath <roland (a] redhat.com> 133 134 * link_map.c (report_r_debug): Use found name if we have no name, 135 even if we already have an Elf handle. 136 137 2010-06-30 Roland McGrath <roland (a] redhat.com> 138 139 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be 140 confused by -1 return from dwfl_build_id_find_elf after it opened 141 the Elf handle. 142 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for 143 dwfl_build_id_find_debuginfo. 144 145 2010-06-16 Roland McGrath <roland (a] redhat.com> 146 147 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro. 148 149 2010-06-14 Roland McGrath <roland (a] redhat.com> 150 151 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare 152 candidate file to that st_dev/st_ino and pretend it didn't exist 153 if they match. 154 (find_debuginfo_in_path): Update caller, pass main file's info. 155 156 2010-05-20 Roland McGrath <roland (a] redhat.com> 157 158 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ... 159 (grovel_auxv): ... this. Take DWFL argument. 160 (dwfl_linux_proc_report): Update caller. 161 162 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias 163 based on dwfl->segment_align or manifest alignment of MOD->low_addr. 164 165 2010-05-19 Roland McGrath <roland (a] redhat.com> 166 167 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten. 168 169 2010-05-06 Roland McGrath <roland (a] redhat.com> 170 171 * segment.c (insert): Clear inserted elements of DWFL->lookup_module. 172 173 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF. 174 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build 175 ID but we didn't find a file. 176 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check 177 and refuse any fallback file-by-name if it lacks the matching ID. 178 179 * dwfl_error.c (dwfl_errno): Add INTDEF. 180 * libdwflP.h: Add INTDECL. 181 182 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in 183 failure cases. 184 185 2010-05-04 Roland McGrath <roland (a] redhat.com> 186 187 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an 188 ET_DYN that has a DT_DEBUG. 189 190 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop. 191 192 * segment.c (insert): Fix moving of values following insertion. 193 (reify_segments): Fix up MOD->segment backpointer indices after 194 later insertions in the main loop invalidate them. 195 196 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and 197 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly. 198 199 * core-file.c (dwfl_core_file_report): Return any nonzero count of 200 modules reported, even if link_map grovelling failed and only sniffing 201 found anything. 202 203 2010-04-26 Roland McGrath <roland (a] redhat.com> 204 205 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc. 206 Works around probably-wrong ld -r behavior for case of a DWARF address 207 constant that refers to a discarded SHF_ALLOC section. 208 209 2010-04-14 Roland McGrath <roland (a] redhat.com> 210 211 * link_map.c (report_r_debug): Limit iterations on the l_next chain to 212 an upper bound on sane possible number of elements. 213 214 2010-03-11 Roland McGrath <roland (a] redhat.com> 215 216 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan 217 the second half for 32-bit matches. 218 219 2010-03-10 Roland McGrath <roland (a] redhat.com> 220 221 * core-file.c (dwfl_core_file_report): Punt EHDR argument. 222 * argp-std.c (parse_opt): Update caller. 223 * libdwfl.h: Declare dwfl_core_file_report. 224 * libdwflP.h: Don't. 225 226 2010-02-17 Roland McGrath <roland (a] redhat.com> 227 228 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument. 229 If set, find the first index not below ADDR. 230 (dwfl_segment_report_module): Update callers. 231 Pass true when calculating return value. 232 233 2010-02-15 Roland McGrath <roland (a] redhat.com> 234 235 * Makefile.am: Use config/eu.am for common stuff. 236 237 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized 238 variable in failure path. 239 240 2010-02-02 Mark Wielaard <mjw (a] redhat.com> 241 242 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias. 243 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise 244 245 2010-01-07 Roland McGrath <roland (a] redhat.com> 246 247 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum. 248 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 249 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise. 250 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 251 252 2010-01-06 Roland McGrath <roland (a] redhat.com> 253 254 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value. 255 (relocate_section): Let unresolved SHN_COMMON symbol stay 0. 256 257 2009-11-16 Roland McGrath <roland (a] redhat.com> 258 259 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn. 260 261 2009-11-12 Petr Machata <pmachata (a] redhat.com> 262 263 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if 264 the chunk is both offset-contiguous and vaddr-contiguous. 265 266 2009-11-05 Roland McGrath <roland (a] redhat.com> 267 268 * link_map.c (report_r_debug): Skip entries with l_ld==0. 269 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure. 270 271 2009-09-04 Roland McGrath <roland (a] redhat.com> 272 273 * image-header.c (__libdw_image_header): Fix tranposed comparison. 274 275 2009-08-27 Roland McGrath <roland (a] redhat.com> 276 277 * image-header.c: New file. 278 * Makefile.am (libdwfl_a_SOURCES): Add it. 279 * libdwflP.h: Declare __libdw_image_header. 280 * open.c (decompress): Don't consume ELF on failure. 281 (what_kind): New function, broken out of ... 282 (__libdw_open_file): ... here. Call it. 283 If it fails, try __libdw_image_header and then try what_kind again. 284 285 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER, 286 leave it behind for next decompressor. 287 * open.c (decompress): Free BUFFER on failure. 288 289 2009-08-26 Roland McGrath <roland (a] redhat.com> 290 291 * gzip.c (find_zImage_payload): New function, broken out of ... 292 (mapped_zImage): ... here. Call it. 293 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with 294 stupid method of just trying the decoder. 295 296 * open.c [USE_LZMA]: Try __libdw_unlzma. 297 * libdwflP.h: Declare it. 298 (DWFL_ERRORS): Add DWFL_E_LZMA. 299 * gzip.c [LZMA]: Implement liblzma version for XZ file format. 300 * lzma.c: New file. 301 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it. 302 303 * gzip.c (mapped_zImage): Limit scan to 32kb. 304 Make this unconditional, support bzip2 kernel images too. 305 (unzip): Use direct inflate method for non-mmap case too. 306 Only zlib uses the stream method. 307 308 2009-08-09 Roland McGrath <roland (a] redhat.com> 309 310 * dwfl_module_build_id.c: Use new macros for versioned definitions. 311 312 2009-07-08 Roland McGrath <roland (a] redhat.com> 313 314 * dwfl_module_dwarf_cfi.c: New file. 315 * dwfl_module_eh_cfi.c: New file. 316 * Makefile.am (libdwfl_a_SOURCES): Add them. 317 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi. 318 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi. 319 320 2009-07-08 Roland McGrath <roland (a] redhat.com> 321 322 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better. 323 324 2009-06-18 Mark Wielaard <mjw (a] redhat.com> 325 326 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap. 327 328 2009-06-13 Ulrich Drepper <drepper (a] redhat.com> 329 330 * derelocate.c: Don't use deprecated libelf functions. 331 * dwfl_module_getdwarf.c: Likewise. 332 * relocate.c: Likewise. 333 334 2009-04-23 Ulrich Drepper <drepper (a] redhat.com> 335 336 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is 337 defined. Otherwise just define the latest version. 338 339 2009-04-22 Roland McGrath <roland (a] redhat.com> 340 341 * relocate.c (resolve_symbol): Apply correct bias to st_value found in 342 a non-ET_REL module. 343 344 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to 345 adjust properly for non-ET_REL. 346 347 2009-04-21 Roland McGrath <roland (a] redhat.com> 348 349 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC. 350 351 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL. 352 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only 353 for ET_REL. 354 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 355 356 2009-04-20 Roland McGrath <roland (a] redhat.com> 357 358 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function. 359 360 2009-04-19 Roland McGrath <roland (a] redhat.com> 361 362 * dwfl_module_getdwarf.c (find_file): Renamed to ... 363 (__libdwfl_getelf): ... this. Make it global. 364 (find_symtab, find_dw): Update callers. 365 (dwfl_module_getelf): Functions moved ... 366 * dwfl_module_getelf.c: ... here, new file. 367 * Makefile.am (libdwfl_a_SOURCES): Add it. 368 * libdwflP.h: Declare __libdwfl_getelf. 369 370 2009-04-14 Roland McGrath <roland (a] redhat.com> 371 372 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either 373 absolute (already adjusted in place) or needing load bias adjustment. 374 375 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for 376 gelf_getphdr failure. Fix file size limit checks. 377 378 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check. 379 380 2009-04-08 Roland McGrath <roland (a] redhat.com> 381 382 * dwfl_module_getsym.c: Don't adjust for bias again after 383 __libdwfl_relocate_value. 384 385 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from 386 a non-SHF_ALLOC section. 387 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX. 388 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise. 389 390 2009-03-09 Roland McGrath <roland (a] redhat.com> 391 392 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX 393 variable to outer scope, so we cache it for the loop. 394 395 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr. 396 397 2009-02-12 Roland McGrath <roland (a] redhat.com> 398 399 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use 400 __libdwfl_relocate_value to find correct sh_addr value. 401 402 2009-02-10 Roland McGrath <roland (a] redhat.com> 403 404 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY. 405 If false, don't fail for NO_PHDR. 406 (dwfl_report_elf): Update caller. 407 * libdwflP.h: Update decl. 408 * offline.c (process_elf): Call it with false, so we don't refuse 409 dubiously-formed objects here. 410 411 * link_map.c (consider_executable): Don't assert dwfl_addrsegment 412 finds our module. We shouldn't crash when we confuse some guesses. 413 414 2009-02-10 Ulrich Drepper <drepper (a] redhat.com> 415 416 * open.c (decompress): Avoid crash with empty input file. 417 418 2009-01-27 Roland McGrath <roland (a] redhat.com> 419 420 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD 421 with zero vaddr and memsz. 422 423 2009-01-22 Roland McGrath <roland (a] redhat.com> 424 425 * open.c (decompress): Move BUFFER, SIZE decls outside #if. 426 427 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments 428 after address-matching loop. 429 430 * segment.c (lookup): Fix fencepost in checking for HINT match. 431 432 2009-01-14 Roland McGrath <roland (a] redhat.com> 433 434 * gzip.c [!BZLIB] (mapped_zImage): New function. 435 (unzip) [!BZLIB]: Grok Linux kernel zImage format. 436 437 2009-01-10 Ulrich Drepper <drepper (a] redhat.com> 438 439 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code. 440 441 2009-01-08 Roland McGrath <roland (a] redhat.com> 442 443 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): 444 Skip subdirectory named "source". 445 (dwfl_linux_kernel_find_elf): Likewise. 446 447 2009-01-06 Roland McGrath <roland (a] redhat.com> 448 449 * linux-kernel-modules.c (check_suffix): New function. 450 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes. 451 (dwfl_linux_kernel_report_offline): Use it. 452 (dwfl_linux_kernel_find_elf): Likewise. 453 454 2009-01-05 Roland McGrath <roland (a] redhat.com> 455 456 * argp-std.c (parse_opt): Use __libdw_open_file for core file. 457 * dwfl_build_id_find_debuginfo.c: Use it to open the file. 458 * dwfl_build_id_find_elf.c: Likewise. 459 * dwfl_module_getdwarf.c (open_elf): Likewise. 460 * dwfl_report_elf.c: Likewise. 461 * find-debuginfo.c (validate): Likewise. 462 * offline.c (__libdwfl_report_offline): Likewise. 463 464 * libdwflP.h: Declare __libdw_open_file. 465 * open.c: New file. 466 * Makefile.am (libdwfl_a_SOURCES): Add it. 467 468 * gzip.c: New file. 469 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it. 470 * bzip2.c: New file. 471 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it. 472 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2. 473 474 2008-12-16 Roland McGrath <roland (a] redhat.com> 475 476 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and 477 symver magic to bind to ELFUTILS_0.138. 478 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible 479 wrapper for ELFUTILS_0.130 version set. 480 481 2008-12-18 Roland McGrath <roland (a] redhat.com> 482 483 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN 484 addresses are taken as relative to MOD->low_addr. 485 486 2008-12-15 Roland McGrath <roland (a] redhat.com> 487 488 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not 489 debug.bias. 490 491 2008-12-11 Roland McGrath <roland (a] redhat.com> 492 493 * offline.c (process_archive): Don't call elf_end and close if 494 returning NULL. Check first elf_begin call and set error code 495 specially for empty archive. 496 Fixes RHBZ#465878. 497 498 2008-12-02 Roland McGrath <roland (a] redhat.com> 499 500 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. 501 502 2008-11-26 Roland McGrath <roland (a] redhat.com> 503 504 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in 505 return value, and interpret encoded OFFSET argument. 506 507 2008-10-07 Roland McGrath <roland (a] redhat.com> 508 509 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. 510 511 2008-09-29 Roland McGrath <roland (a] redhat.com> 512 513 * segment.c (insert): Must realloc DWFL->lookup_module here too. 514 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls. 515 516 2008-08-28 Roland McGrath <roland (a] redhat.com> 517 518 * segment.c (reify_segments): Fix last change. 519 520 2008-08-27 Roland McGrath <roland (a] redhat.com> 521 522 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM 523 failure from pread64. 524 525 2008-08-26 Roland McGrath <roland (a] redhat.com> 526 527 * segment.c (reify_segments): Insert a trailing segment for a module 528 end that is above the highest current segment. 529 530 2008-08-25 Roland McGrath <roland (a] redhat.com> 531 532 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for 533 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF 534 if FILE->elf is not ELF_K_ELF. 535 536 * dwfl_segment_report_module.c: Add a cast. 537 538 2008-08-21 Denys Vlasenko <dvlasenk (a] redhat.com> 539 540 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic 541 which decides which symbol is "closest" to a given address. 542 543 2008-08-15 Roland McGrath <roland (a] redhat.com> 544 545 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. 546 (options, parse_opt): Handle --core. 547 548 * core-file.c: New file. 549 * Makefile.am (libdwfl_a_SOURCES): Add it. 550 * libdwflP.h (dwfl_core_file_report): Declare it. 551 552 * link_map.c: New file. 553 * Makefile.am (libdwfl_a_SOURCES): Add it. 554 * libdwflP.h (dwfl_link_map_report): Declare it. 555 556 * libdwflP.h (MIN, MAX): New macros. 557 (Dwfl_Memory_Callback): New typedef. 558 (Dwfl_Module_Callback): New typedef. 559 (dwfl_segment_report_module): Declare it. 560 * dwfl_segment_report_module.c: New file. 561 * Makefile.am (libdwfl_a_SOURCES): Add it. 562 563 * derelocate.c (dwfl_module_address_section): Add INTDEF. 564 * libdwflP.h: Add INTDECL. 565 566 * segment.c: New file. 567 * Makefile.am (libdwfl_a_SOURCES): Add it. 568 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment. 569 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc, 570 lookup_addr, lookup_module, lookup_segndx, replace removed members 571 modules, nmodules. 572 (struct Dwfl_Module): New member segment. 573 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist 574 to each free module. 575 * dwfl_module.c (dwfl_report_begin_add): Do nothing. 576 (dwfl_report_begin): Don't call it. Truncate the segment table instead. 577 (dwfl_report_module): Don't touch DWFL->nmodules. 578 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules. 579 (compare_modules): Function removed. 580 * dwfl_getmodules.c: Rewritten. 581 Add INTDEF. 582 * libdwflP.h: Add INTDECLs. 583 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules. 584 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment. 585 586 2008-08-03 Roland McGrath <roland (a] redhat.com> 587 588 * linux-kernel-modules.c: Include <fts.h> before <config.h>. 589 590 2008-07-17 Roland McGrath <roland (a] redhat.com> 591 592 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to 593 zero if the failure was only ENOENT. 594 595 2008-06-03 Roland McGrath <roland (a] redhat.com> 596 597 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined 598 symbols. 599 600 2008-05-22 Petr Machata <pmachata (a] redhat.com> 601 602 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. 603 604 2008-05-06 Roland McGrath <roland (a] frob.com> 605 606 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use 607 FTS_LOGICAL here too. 608 (dwfl_linux_kernel_find_elf): Likewise. 609 610 2008-04-29 Roland McGrath <roland (a] redhat.com> 611 612 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search 613 based on canonicalize_file_name if it differs from the supplied name. 614 615 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so 616 we accept symlinks. 617 618 2008-04-27 Roland McGrath <roland (a] redhat.com> 619 620 * linux-kernel-modules.c (report_kernel): Fix crash when 621 dwfl_report_elf fails. 622 623 2008-04-05 Roland McGrath <roland (a] redhat.com> 624 625 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE. 626 627 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits. 628 Clear it after freeing. 629 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise. 630 631 2008-03-26 Roland McGrath <roland (a] redhat.com> 632 633 * dwfl_module_getdwarf.c (load_symtab): Don't return success for 634 SHT_DYNSYM, just set *SYMSCN like the comment says. 635 636 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array. 637 638 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure. 639 640 2008-03-19 Roland McGrath <roland (a] redhat.com> 641 642 * dwfl_module_getsrc.c: Adjust address for module bias before search. 643 644 2008-03-01 Roland McGrath <roland (a] redhat.com> 645 646 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from 647 prototype to avoid older compiler's complaint about reuse of the name. 648 (__libdwfl_canon_error): Likewise. 649 650 2008-02-19 Roland McGrath <roland (a] redhat.com> 651 652 * relocate.c (relocate_section): Check for an unhandled relocation 653 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE -> 654 DWFL_E_UNKNOWN_MACHINE check out of loops. 655 656 * dwfl_module_getdwarf.c (load_dw): Skip relocation if 657 DEBUGFILE->relocated is already set. 658 659 2008-01-26 Roland McGrath <roland (a] redhat.com> 660 661 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null. 662 663 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear 664 incoming *FILE_NAME at the start. 665 666 2008-01-08 Roland McGrath <roland (a] redhat.com> 667 668 * Makefile.am (euinclude): Variable removed. 669 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 670 671 2007-10-23 Roland McGrath <roland (a] redhat.com> 672 673 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel 674 module to appear first. 675 676 2007-10-20 Roland McGrath <roland (a] redhat.com> 677 678 * offline.c (process_archive_member): Take FD argument, pass it down 679 to process_file. Return Elf_Cmd, not bool. 680 Call elf_next here, always before elf_end. 681 (process_archive): Update caller. Don't close FD here unless there 682 are no member refs. 683 684 * dwfl_module.c (free_file): Close fd only when elf_end returns zero. 685 686 * libdwflP.h (struct dwfl_file): New bool member `relocated'. 687 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply 688 partial relocation to one or both files. 689 (dwfl_module_getdwarf): For ET_REL, make sure extra sections' 690 relocations have been applied to the debug file if dwfl_module_getelf 691 has been used before. 692 693 * relocate.c (resolve_symbol): New function. 694 (relocate_section): Call it. 695 696 * relocate.c (relocate_getsym): Handle null MOD->symfile. 697 (relocate_section): Take new bool arg, PARTIAL. If true, 698 no error for BADRELTYPE/RELUNDEF, instead just skip them 699 and leave only those skipped relocs behind the reloc section. 700 (__libdwfl_relocate_section): Take new arg, pass it down. 701 (__libdwfl_relocate): Take new bool arg, DEBUG. If false, 702 do partial relocation on all sections. 703 * dwfl_module_getdwarf.c (load_dw): Update caller. 704 * libdwflP.h: Update decls. 705 * derelocate.c (dwfl_module_address_section): Pass new argument 706 to __libdwfl_relocate_section, true. 707 708 * derelocate.c (cache_sections): Don't cache reloc sections when 709 section_address callback is null. 710 711 2007-10-19 Roland McGrath <roland (a] redhat.com> 712 713 * relocate.c (relocate_section): Fix fencepost error in r_offset check. 714 715 * derelocate.c (struct dwfl_relocation): Add member `relocs'. 716 (struct secref): Likewise. 717 (cache_sections): Cache the relocation section referring to each 718 section we cache, if any. 719 (dwfl_module_address_section): Use __libdwfl_relocate_section as 720 necessary. 721 722 * relocate.c (struct reloc_symtab_cache): New type. 723 (relocate_getsym): Use it instead of four arguments. 724 (__libdwfl_relocate): Update caller. 725 (relocate_section): New function, broken out of ... 726 (__libdwfl_relocate): ... here. 727 (__libdwfl_relocate_section): New function. 728 * libdwflP.h: Declare it. 729 730 2007-10-17 Roland McGrath <roland (a] redhat.com> 731 732 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias 733 to relocated st_value. 734 735 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for 736 ET_REL to 0x100. 737 738 2007-10-16 Roland McGrath <roland (a] redhat.com> 739 740 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later 741 section has larger alignment requirements not met by the original BASE, 742 rather than padding more between sections. 743 744 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation. 745 746 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias 747 to sh_addr value. 748 749 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE 750 at zero in ET_REL case. Adjust BASE to necessary alignment. 751 752 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value 753 for DATA_VADDR. 754 (__libdwfl_find_build_id): Update caller. 755 756 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset. 757 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 758 * offline.c (dwfl_offline_section_address): Bail early if there is 759 separate debug file. 760 761 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF. 762 763 2007-10-09 Roland McGrath <roland (a] redhat.com> 764 765 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when 766 caching SHDR->sh_addr = 0. 767 * offline.c (dwfl_offline_section_address): Never called for sh_addr 768 really at 0, don't check for it. Use MOD->debug directly, not symfile. 769 770 * dwfl_module_getdwarf.c (load_symtab): Return success properly when 771 we've found SHT_SYMTAB. 772 773 * relocate.c (relocate_getsym): New function. 774 (__libdwfl_relocate): Use it. 775 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX 776 be a pointer instead of value; cache getshstrndx result there. 777 * libdwflP.h: Update decl. 778 * derelocate.c (cache_sections): Update caller. 779 Always work on the main file, not the symfile. 780 (dwfl_module_address_section): Likewise. 781 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller. 782 783 2007-10-07 Roland McGrath <roland (a] redhat.com> 784 785 * offline.c (process_archive): Initialize MOD. 786 787 * linux-kernel-modules.c (get_release): New function, broken out of ... 788 (report_kernel): ... here. Call it. 789 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set. 790 (find_kernel_elf): Update caller. 791 (report_kernel_archive): New function. 792 (dwfl_linux_kernel_report_offline): Call it. 793 794 * offline.c (process_file): Take new arg PREDICATE, pass it down. 795 (process_archive): Likewise. 796 (process_archive_member): Likewise. When nonnull, let the predicate 797 decide whether to use this member. 798 (__libdwfl_report_offline): New function, broken out of ... 799 (dwfl_report_offline): ... here. Call it. 800 * libdwflP.h: Declare it. 801 802 * offline.c (process_archive, process_archive_member): New functions. 803 (process_elf, process_file): New functions, broken out of ... 804 (dwfl_report_offline): ... here. Call process_file, which recurses on 805 ELF_K_AR files. 806 807 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ... 808 (dwfl_report_elf): ... here. Call it. 809 * libdwflP.h: Declare it. 810 811 2007-10-06 Roland McGrath <roland (a] redhat.com> 812 813 * derelocate.c (dwfl_module_relocations): Don't call 814 dwfl_module_getdwarf. 815 816 * derelocate.c (find_section): Use __libdwfl_seterrno, not 817 __libdw_seterrno. 818 819 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not 820 SHF_ALLOC, to cache sh_addr resolved to 0. 821 822 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr 823 values nonzero already, just use its existing layout. 824 825 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its 826 in-core shdr after applying it. 827 828 2007-10-04 Ulrich Drepper <drepper (a] redhat.com> 829 830 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake 831 initialization of notes variable. 832 833 2007-10-04 Roland McGrath <roland (a] redhat.com> 834 835 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES, 836 fill in with vaddr of "__start_notes" symbol if found. 837 (check_notes): New function. 838 (check_kernel_notes): New function. 839 (dwfl_linux_kernel_report_kernel): Call it. 840 (check_module_notes): New function. 841 (dwfl_linux_kernel_report_modules): Call it. 842 843 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): 844 Try dwfl_build_id_find_elf first. 845 846 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT. 847 Set kernel module e_type to ET_DYN. 848 849 2007-10-03 Roland McGrath <roland (a] redhat.com> 850 851 * find-debuginfo.c (validate): New function, broken out of ... 852 (find_debuginfo_in_path): ... here. New function, broken out of ... 853 (dwfl_standard_find_debuginfo): ... here. Call it, after trying 854 dwfl_build_id_find_debuginfo first. 855 856 * dwfl_build_id_find_elf.c: New file. 857 * dwfl_build_id_find_debuginfo.c: New file. 858 * Makefile.am (libdwfl_a_SOURCES): Add them. 859 * libdwfl.h: Declare them. 860 * libdwflP.h: Add INTDECLs. 861 862 * dwfl_module_build_id.c: New file. 863 * dwfl_module_report_build_id.c: New file. 864 * Makefile.am (libdwfl_a_SOURCES): Add them. 865 * libdwfl.h: Declare them. 866 * libdwflP.h (struct Dwfl_Module): New members build_id_bits, 867 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id. 868 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits. 869 870 * dwfl_module_getdwarf.c (find_offsets): New function. 871 (find_dynsym): New function, calls that. 872 (find_symtab): Call it. 873 874 2007-09-11 Roland McGrath <roland (a] redhat.com> 875 876 * dwfl_module_addrsym.c: Prefer a later global symbol at the same 877 address if its st_size is smaller. 878 879 2007-08-13 Roland McGrath <roland (a] redhat.com> 880 881 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler. 882 883 2007-08-12 Roland McGrath <roland (a] redhat.com> 884 885 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use 886 FTS_LOGICAL. 887 888 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on 889 a second phdr if it happens to match EHDR_VMA exactly. 890 891 2007-08-08 Roland McGrath <roland (a] redhat.com> 892 893 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and 894 those with no names. Rewrite best symbol algorithm not to assume a 895 sorted table and to be smarter handling sizeless symbols. 896 897 2007-07-16 Roland McGrath <roland (a] redhat.com> 898 899 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when 900 reviving an existing module. 901 902 2007-06-08 Roland McGrath <roland (a] redhat.com> 903 904 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME. 905 906 2007-05-17 Roland McGrath <roland (a] redhat.com> 907 908 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at 909 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel. 910 (dwfl_linux_kernel_find_elf): Likewise. 911 912 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 913 getline and sscanf instead of fscanf. 914 915 2007-05-08 Roland McGrath <roland (a] redhat.com> 916 917 * offline.c (dwfl_offline_section_address): Don't assume section 918 numbers match between stripped and debuginfo files. Instead, assume 919 only that the ordering among SHF_ALLOC sections matches. 920 921 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to 922 pointer to string. 923 (dwfl_linux_kernel_report_offline): Update caller. 924 (dwfl_linux_kernel_report_kernel): Likewise. 925 926 2007-04-23 Roland McGrath <roland (a] redhat.com> 927 928 * argp-std.c (options): Fix group title string. 929 930 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl. 931 Update via STATE->input every time we set STATE->hook, not only at 932 ARGP_KEY_SUCCESS. 933 934 * dwfl_module.c (free_file): Free FILE->name. 935 936 2007-04-16 Roland McGrath <roland (a] redhat.com> 937 938 * derelocate.c (cache_sections): Apply bias to sh_addr. 939 (compare_secrefs): Fix address comparison to avoid signed overflow. 940 (find_section): New function, broken out of ... 941 (dwfl_module_relocate_address): ... here, call it. 942 (check_module): New function, broken out of ... 943 (dwfl_module_relocate_address): ... here, call it. 944 (dwfl_module_address_section): New function. 945 * libdwfl.h: Declare it. 946 947 2007-03-26 Roland McGrath <roland (a] redhat.com> 948 949 * dwfl_module.c (__libdwfl_module_free): Free MOD itself. 950 951 2007-03-18 Roland McGrath <roland (a] redhat.com> 952 953 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of 954 (find_debuginfo): ... here. Call it. 955 Don't return error for libelf errors finding .gnu_debuglink section. 956 957 2007-03-12 Roland McGrath <roland (a] redhat.com> 958 959 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ... 960 (dwfl_report_begin): ... here. Call it. 961 * libdwfl.h: Declare it. 962 * libdwflP.h: Add INTDECL. 963 964 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 965 966 * offline.c: Comment typo fix. 967 968 2007-03-04 Roland McGrath <roland (a] redhat.com> 969 970 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel". 971 (find_kernel_elf): New function, broken out of ... 972 (report_kernel): ... here. Call it. 973 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME. 974 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess 975 virtual address bounds of kernel from symbols rounded to page size. 976 (dwfl_linux_kernel_report_kernel): Use that if it works, before 977 resorting to report_kernel. 978 979 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an 980 ET_EXEC file with nonzero bias. 981 982 * dwfl_module_addrname.c (dwfl_module_addrname): Just call 983 dwfl_module_addrsym. Guts moved to ... 984 * dwfl_module_addrsym.c: ... here; new file. 985 * Makefile.am (libdwfl_a_SOURCES): Add it. 986 * libdwfl.h: Declare dwfl_module_addrsym. 987 * libdwflP.h: Add INTDECL. 988 989 2007-03-03 Roland McGrath <roland (a] redhat.com> 990 991 * dwfl_module.c (free_file): New function, broken out of ... 992 (__libdwfl_module_free): ... here. In it, close fd after elf_end. 993 994 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1 995 on libelf failure. 996 997 2007-03-02 Roland McGrath <roland (a] redhat.com> 998 999 * linux-kernel-modules.c: Fix bogus error test for asprintf call. 1000 1001 2007-02-02 Roland McGrath <roland (a] redhat.com> 1002 1003 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary 1004 address exactly if it's no other module's low boundary. 1005 1006 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value 1007 and size cover the address, select the closest symbol with st_size==0 1008 that lies in the same section. 1009 1010 2007-01-29 Roland McGrath <roland (a] redhat.com> 1011 1012 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION, 1013 not PACKAGE_STRING. 1014 1015 2007-01-20 Roland McGrath <roland (a] redhat.com> 1016 1017 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1 1018 as omitted, not 0. 1019 * libdwfl.h (Dwfl_Callbacks): Update comment. 1020 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections. 1021 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 1022 For ignored missing section, use -1 instead of 0. 1023 * offline.c (dwfl_offline_section_address): Expect a call for 0. 1024 1025 2007-01-19 Roland McGrath <roland (a] redhat.com> 1026 1027 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to 1028 zero so a lone -e foo.so is shown without address bias. 1029 1030 2007-01-10 Roland McGrath <roland (a] redhat.com> 1031 1032 * linux-kernel-modules.c (report_kernel): Check asprintf return value 1033 directly instead of via side effect, to silence warn_unused_result. 1034 (dwfl_linux_kernel_report_offline): Likewise. 1035 (dwfl_linux_kernel_find_elf): Likewise. 1036 (dwfl_linux_kernel_module_section_address): Likewise. 1037 * find-debuginfo.c (try_open): Likewise. 1038 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise. 1039 (dwfl_linux_proc_report): Likewise. 1040 1041 * libdwfl.h (dwfl_begin): Require nonnull argument. 1042 1043 2006-12-27 Roland McGrath <roland (a] redhat.com> 1044 1045 * dwfl_module.c (compare_modules): Fix address comparison to avoid 1046 signed overflow. Patch by Frank Ch. Eigler <fche (a] redhat.com>. 1047 1048 2006-10-30 Roland McGrath <roland (a] redhat.com> 1049 1050 * dwfl_module.c (dwfl_report_module): Comment typo fix. 1051 1052 2006-09-05 Roland McGrath <roland (a] redhat.com> 1053 1054 * derelocate.c (cache_sections): Use alloca instead of variable-sized 1055 auto array, in function already using alloca. 1056 1057 2006-08-14 Roland McGrath <roland (a] redhat.com> 1058 1059 * linux-kernel-modules.c (try_kernel_name): If the call to 1060 dwfl_standard_find_debuginfo produces no results, try it again 1061 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix. 1062 1063 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ... 1064 * libdwflP.h: ... to here. 1065 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it 1066 repeats the first thing dwfl_standard_find_debuginfo will try. 1067 1068 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro. 1069 (dwfl_linux_kernel_module_section_address): If a /sys file is missing 1070 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the 1071 section name. 1072 1073 2006-07-12 Ulrich Drepper <drepper (a] redhat.com> 1074 1075 * cu.c: Adjust for internal_function_def removal. 1076 * dwfl_error.c: Likewise. 1077 * dwfl_module.c: Likewise. 1078 * dwfl_module_getdwarf.c: Likewise. 1079 * lines.c: Likewise. 1080 * relocate.c: Likewise. 1081 1082 2006-07-11 Ulrich Drepper <drepper (a] redhat.com> 1083 1084 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value, 1085 it can overflow the return value type. 1086 Patch by Tim Moore <timoore (a] redhat.com>. 1087 1088 2006-06-28 Roland McGrath <roland (a] redhat.com> 1089 1090 * libdwfl.h: Cosmetic changes. 1091 1092 * dwfl_line_comp_dir.c: New file. 1093 * Makefile.am (libdwfl_a_SOURCES): Add it. 1094 * libdwfl.h: Declare dwfl_line_comp_dir. 1095 1096 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn. 1097 1098 * dwfl_linecu.c: New file. 1099 * Makefile.am (libdwfl_a_SOURCES): Add it. 1100 * libdwfl.h: Declare dwfl_linecu. 1101 1102 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu. 1103 (dwfl_linecu): Define as macro. 1104 1105 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym. 1106 1107 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function. 1108 (dwfl_module_addrname): Function moved ... 1109 * dwfl_module_addrname.c: ... here, new file. 1110 * dwfl_module_getsym.c: New file. 1111 * Makefile.am (libdwfl_a_SOURCES): Add them. 1112 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym. 1113 * libdwflP.h: Add INTDECLs. 1114 1115 2006-06-27 Roland McGrath <roland (a] redhat.com> 1116 1117 * dwfl_module.c (dwfl_report_end): Whitespace fix. 1118 1119 2006-06-13 Roland McGrath <roland (a] redhat.com> 1120 1121 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 1122 Use __libdwfl_seterrno for elf_memory failure. 1123 1124 2006-05-22 Roland McGrath <roland (a] redhat.com> 1125 1126 * dwfl_module_return_value_location.c 1127 (dwfl_module_return_value_location): Use __libdwfl_module_getebl. 1128 1129 2006-05-27 Ulrich Drepper <drepper (a] redhat.com> 1130 1131 * libdwfl.h: Add extern "C". 1132 1133 2006-05-22 Ulrich Drepper <drepper (a] redhat.com> 1134 1135 * cu.c (addrarange): Handle files without aranges information. 1136 1137 2006-05-16 Ulrich Drepper <drepper (a] redhat.com> 1138 1139 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of 1140 ->modules is NULL. 1141 1142 2006-02-26 Roland McGrath <roland (a] redhat.com> 1143 1144 * dwfl_version.c: New file. 1145 * Makefile.am (libdwfl_a_SOURCES): Add it. 1146 * libdwfl.h: Declare dwfl_version. 1147 1148 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having 1149 aligned up from DWFL->offline_next_address when checking for overlap. 1150 1151 2005-12-22 Roland McGrath <roland (a] redhat.com> 1152 1153 * argp-std.c (parse_opt): Call dwfl_end in failure cases. 1154 1155 * linux-proc-maps.c (proc_maps_report): New function, broken out of ... 1156 (dwfl_linux_proc_report): ... here. Call it. 1157 (dwfl_linux_proc_maps_report): New function. 1158 * libdwfl.h: Declare it. 1159 * libdwflP.h: Add INTDECL. 1160 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map. 1161 1162 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf 1163 failed with DWFL_E_NO_DWARF. 1164 1165 2005-11-26 Roland McGrath <roland (a] redhat.com> 1166 1167 * dwfl_end.c (dwfl_end): Free the DWFL itself. 1168 1169 2005-11-25 Roland McGrath <roland (a] redhat.com> 1170 1171 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function. 1172 (load_dw): Use it. 1173 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise. 1174 * libdwflP.h: Declare it. 1175 1176 * dwfl_module_register_names.c: New file. 1177 * Makefile.am (libdwfl_a_SOURCES): Add it. 1178 * libdwfl.h: Declare dwfl_module_register_names. 1179 1180 2005-11-21 Roland McGrath <roland (a] redhat.com> 1181 1182 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 1183 Don't leak malloc'd file name. 1184 If a /sys/.../sections file is missing and starts with ".init", 1185 try the variant with "_init" too; catches PPC64 kernel braindamage. 1186 1187 2005-11-15 Roland McGrath <roland (a] redhat.com> 1188 1189 * libdwfl.h: Comment fixes. 1190 1191 * dwfl_module_return_value_location.c: Add unlikely for error case. 1192 1193 2005-11-13 Roland McGrath <roland (a] redhat.com> 1194 1195 * dwfl_return_value_location.c: New file. 1196 * Makefile.am (libdwfl_a_SOURCES): Add it. 1197 * libdwfl.h: Declare dwfl_module_return_value_location. 1198 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE. 1199 1200 2005-10-20 Roland McGrath <roland (a] redhat.com> 1201 1202 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE. 1203 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE 1204 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE. 1205 1206 2005-10-01 Roland McGrath <roland (a] redhat.com> 1207 1208 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail 1209 with errno 0. 1210 1211 2005-09-19 Roland McGrath <roland (a] redhat.com> 1212 1213 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 1214 PRIx64 instead of PRIi64, lest addresses with high bits set overflow 1215 the signed integer reading; they will just have to be in hexadecimal. 1216 (dwfl_linux_kernel_module_section_address): Likewise. 1217 1218 2005-08-28 Ulrich Drepper <drepper (a] redhat.com> 1219 1220 * Makefile.am (%.os): Use COMPILE.os. 1221 (COMPILE.os): Filter out gconv options. 1222 1223 2005-08-25 Roland McGrath <roland (a] redhat.com> 1224 1225 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end. 1226 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info. 1227 1228 2005-08-24 Roland McGrath <roland (a] redhat.com> 1229 1230 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it. 1231 1232 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function, 1233 magic initializer to set -heur-stack-bound option. 1234 1235 2005-08-22 Roland McGrath <roland (a] redhat.com> 1236 1237 * dwfl_validate_address.c: New file. 1238 * Makefile.am (libdwfl_a_SOURCES): Add it. 1239 * libdwfl.h: Declare dwfl_validate_address. 1240 1241 * derelocate.c (dwfl_module_relocate_address): Add INTDEF. 1242 * libdwflP.h: Add INTDECL. 1243 1244 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of 1245 elf_rawdata for symbol-related sections. 1246 1247 * offline.c (dwfl_report_offline): Move offline_next_address outside 1248 module's range, in case it's an ET_EXEC using fixed segment locations. 1249 * libdwfl.h: Update comment. 1250 1251 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's 1252 required alignment. 1253 1254 2005-08-20 Roland McGrath <roland (a] redhat.com> 1255 1256 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE, 1257 function to choose whether to report. 1258 (dwfl_linux_kernel_report_offline): Likewise. 1259 * libdwfl.h: Update decl. 1260 * argp-std.c (parse_opt): Update caller. 1261 1262 * dwfl_getsrclines.c: New file. 1263 * dwfl_onesrcline.c: New file. 1264 * Makefile.am (libdwfl_a_SOURCES): Add them. 1265 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline. 1266 1267 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak 1268 MODULESDIR[0]. Call fts_close on failure. 1269 1270 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *. 1271 Close ET_REL file descriptors after relocation. 1272 (find_dw): Update caller. 1273 * offline.c (dwfl_report_offline): Get the file into memory and close 1274 the file descriptor. 1275 1276 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when 1277 MOD->debug.elf is already set. 1278 1279 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY. 1280 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR. 1281 1282 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use 1283 dwfl_linux_kernel_report_offline with offline_callbacks. 1284 1285 * linux-kernel-modules.c (report_kernel): New function, broken out of 1286 ... 1287 (dwfl_linux_kernel_report_kernel): ... here. Use it. 1288 (dwfl_linux_kernel_report_offline): New function. 1289 * libdwfl.h: Declare it. 1290 * libdwflP.h: Add INTDECL. 1291 1292 2005-08-19 Roland McGrath <roland (a] redhat.com> 1293 1294 Use standard debuginfo search path to look for vmlinux. 1295 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if 1296 passed zero. 1297 * linux-kernel-modules.c (try_kernel_name): New function, broken out 1298 of ... 1299 (dwfl_linux_kernel_report_kernel): ... here. Use it. 1300 1301 * argp-std.c (offline_callbacks): New variable. 1302 (parse_opt): Use it for -e. Allow multiple -e options. 1303 1304 * offline.c: New file. 1305 * Makefile.am (libdwfl_a_SOURCES): Add it. 1306 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline. 1307 * libdwflP.h: Add INTDECLs. 1308 (OFFLINE_REDZONE): New macro. 1309 (struct Dwfl): New member `offline_next_address'. 1310 * dwfl_begin.c (dwfl_begin): Initialize it. 1311 * dwfl_module.c (dwfl_report_begin): Likewise. 1312 1313 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL, 1314 do a nominal absolute section layout starting at BASE. 1315 * libdwfl.h: Update comment. 1316 1317 2005-08-18 Roland McGrath <roland (a] redhat.com> 1318 1319 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do 1320 dwfl_module_getdwarf if necessary. 1321 1322 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0. 1323 * libdwfl.h: Update comment. 1324 1325 * derelocate.c: New file. 1326 * Makefile.am (libdwfl_a_SOURCES): Add it. 1327 1328 * libdwflP.h (struct Dwfl_Module): isrel -> e_type. 1329 * dwfl_report_elf.c (dwfl_report_elf): Initialize it. 1330 * dwfl_module_getdwarf.c (open_elf): Update initialization. 1331 (load_dw, dwfl_module_addrname): Update uses. 1332 * relocate.c (__libdwfl_relocate): Likewise. 1333 1334 2005-08-04 Roland McGrath <roland (a] redhat.com> 1335 1336 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional 1337 arguments SHNDX, SHDR. 1338 (dwfl_linux_kernel_module_section_address): Update prototype. 1339 * relocate.c (__libdwfl_relocate_value): Update caller. 1340 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 1341 Take the new arguments. 1342 1343 2005-08-10 Roland McGrath <roland (a] redhat.com> 1344 1345 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE, 1346 use it instead of MOD->debug.file. 1347 * libdwflP.h: Update decl. 1348 * dwfl_module_getdwarf.c (load_dw): Update caller. 1349 Fixes bug #165598. 1350 1351 2005-08-09 Roland McGrath <roland (a] redhat.com> 1352 1353 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs. 1354 * cu.c: Use INTUSE on dwarf_* calls. 1355 * dwfl_error.c: Likewise. 1356 * dwfl_module.c: Likewise. 1357 * dwfl_module_getdwarf.c: Likewise. 1358 * dwfl_module_getsrc_file.c: Likewise. 1359 * lines.c: Likewise. 1360 1361 2005-08-07 Roland McGrath <roland (a] redhat.com> 1362 1363 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module 1364 names contain '_' or '-', look for files named either "foo-bar.ko" 1365 or "foo_bar.ko". 1366 1367 2005-07-29 Roland McGrath <roland (a] redhat.com> 1368 1369 * loc2c.c: File removed. 1370 * loc2c.h: File removed. 1371 * loc2c-runtime.h: File removed. 1372 * test2.c: File removed. 1373 * Makefile.am (EXTRA_DIST): Variable removed. 1374 (noinst_HEADERS): Remove loc2c.h from here. 1375 1376 2005-07-28 Ulrich Drepper <drepper (a] redhat.com> 1377 1378 * libdwfl.h: Add a few missing extern for function prototypes. 1379 1380 * libdwfl_crc32.c: New file. 1381 * libdwfl_crc32_file.c: New file. 1382 * libdwflP.h: Declare the new functions. 1383 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and 1384 libdwfl_crc32_file.c. 1385 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file 1386 instead of crc32_file. 1387 1388 2005-07-28 Roland McGrath <roland (a] redhat.com> 1389 1390 * ptest.c: Moved to ../tests/dwflmodtest.c. 1391 1392 * Makefile.am (noinst_PROGRAMS): Variable removed. 1393 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise. 1394 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise. 1395 (libdwfl): Don't use libdwfl.so any more. 1396 (libdwfl.so, install, uninstall): Targets removed. 1397 (test2_SOURCES): Define EXTRA_DIST instead of this. 1398 * libdwfl.map: File removed. 1399 1400 * libdwfl.h: Use "" for libdw.h #include. 1401 1402 2005-07-27 Roland McGrath <roland (a] redhat.com> 1403 1404 * libdwfl.map: Add dwfl_getmodules. 1405 1406 2005-07-23 Ulrich Drepper <drepper (a] redhat.com> 1407 1408 * Makefile.am: Fix rules to allow building with mudflap. 1409 1410 2005-07-21 Roland McGrath <roland (a] redhat.com> 1411 1412 * Makefile.am (noinst_HEADERS): Add loc2c.c. 1413 1414 * test2.c (main): Check sscanf result to quiet warning. 1415 1416 2005-07-20 Roland McGrath <roland (a] redhat.com> 1417 1418 * libdwfl-branch merged, creating this direcotry. 1419
