1 2016-01-08 Mark Wielaard <mjw (a] redhat.com> 2 3 * libdwfl_a_SOURCES: Unconditionally add gzip.c. 4 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least 5 .gz support. 6 (try_kernel_name): Likewise. 7 (check_suffix): Likewise. 8 * open.c (decompress): Likewise. 9 10 2015-12-18 Mark Wielaard <mjw (a] redhat.com> 11 12 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym 13 sections and aux_str, aux_xndx and aux_sym sections if necessary. 14 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx 15 if necessary. 16 (resolve_symbol): Uncompress strtab section if necessary. 17 (relocate_section): Uncompress the section the relocations apply to 18 if necessary. 19 20 2015-11-18 Chih-Hung Hsieh <chh (a] google.com> 21 22 * linux-proc-maps.c (proc_maps_report): Move nested function 23 'report' to file scope. 24 25 2015-11-18 Chih-Hung Hsieh <chh (a] google.com> 26 27 * core-file.c (elf_begin_rand): Move nested function 'fail' to file 28 scope. 29 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions 30 'update_end' and 'more' to file scope. 31 32 2015-11-17 Chih-Hung Hsieh <chh (a] google.com> 33 34 * link_map.c (auxv_format_probe): Move nested functions 35 check64 and check32 to file scope. 36 37 2015-12-08 Jose E. Marchesi <jose.marchesi (a] oracle.com> 38 39 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to 40 the value of the return address register as defined by the CFI 41 abi. 42 * frame_unwind.c (handle_cfi): Likewise. 43 44 2015-12-01 Mark Wielaard <mjw (a] redhat.com> 45 46 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes 47 from exec or memory_callback, free as appropriate. 48 49 2015-12-01 Mark Wielaard <mjw (a] redhat.com> 50 51 * libdwflP.h (struct Dwfl_User_Core): New. 52 (struct DWfl): Replace executable_for_core with user_core. 53 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core. 54 * core-file.c (dwfl_core_file_report): Check and store 55 executable_for_core in Dwfl user_core. 56 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use 57 executable_for_core in Dwfl user_core. 58 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core. 59 * link-map.c (report_r_debug): Check executable_for_core in Dwfl 60 user_core. 61 (dwfl_link_map_report): Likewise. 62 63 2015-11-16 Chih-Hung Hsieh <chh (a] google.com> 64 65 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested 66 function 'consider_shdr' to file scope. 67 * dwfl_module_getdwarf.c (find_dynsym): Move nested function 68 'translate_offs' to file scope. 69 70 2015-11-16 Chih-Hung Hsieh <chh (a] google.com> 71 72 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions 73 'same_section', 'binding_value', 'try_sym_value', and 'search_table' 74 to file scope. 75 76 2015-11-19 Mark Wielaard <mjw (a] redhat.com> 77 78 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from 79 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and 80 dwarf_cfi_end. 81 82 2015-11-13 Chih-Hung Hsieh <chh (a] google.com> 83 84 * gzip.c (unzip): Move nested functions to file scope. 85 86 2015-10-21 Chih-Hung Hsieh <chh (a] google.com> 87 Mark Wielaard <mjw (a] redhat.com> 88 89 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested 90 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to 91 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't 92 use INTUSE. 93 94 2015-10-21 Chih-Hung Hsieh <chh (a] google.com> 95 96 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop' 97 to file scope. Pass used local variables in struct eval_stack. 98 99 2015-10-21 Chih-Hung Hsieh <chh (a] google.com> 100 101 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to 102 file scope. 103 104 2015-10-09 Josh Stone <jistone (a] redhat.com> 105 106 * core-file.c (elf_begin_rand): Replace loff_t with off_t. 107 * open.c (decompress): Replace off64_t with off_t. 108 * gzip.c (unzip): Likewise. 109 * image-header.c (__libdw_image_header): Likewise. 110 * libdwflP.h: Likewise in function declarations. 111 * argp-std.c (parse_opt): Replace open64 with open. 112 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id, 113 dwfl_build_id_find_elf): Likewise. 114 * dwfl_module_getdwarf.c (open_elf_file): Likewise. 115 * dwfl_report_elf.c (dwfl_report_elf): Likewise. 116 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 117 * link_map.c (report_r_debug): Likewise. 118 * offline.c (dwfl_report_offline): Likewise. 119 * linux-proc-maps.c (grovel_auxv, get_pid_class, 120 dwfl_linux_proc_find_elf): Likewise. 121 (read_proc_memory): Replace off64_t with off_t. 122 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and 123 fstat64 with stat and fstat. 124 (try_open): Likewise, and replace open64 with open. 125 * linux-kernel-modules.c: Manually define open and fopen to open64 and 126 fopen64 when needed, since the early fts.h include breaks that. 127 (try_kernel_name): Replace open64 with open. 128 (check_notes): Likewise. 129 130 2015-10-09 Jose E. Marchesi <jose.marchesi (a] oracle.com> 131 132 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of 133 pread, as the later doesn't accept negative offsets. 134 135 2015-10-07 Mark Wielaard <mjw (a] redhat.com> 136 137 * dwfl_module_getdwarf.c (MAX): Removed. 138 (find_prelink_address_sync): Allocate exact amount of bytes for 139 phdrs and shdrs. 140 * dwfl_segment_report_module.c (dwfl_segment_report_module): 141 Likewise for phdrs. 142 * elf-from-memory.c (MAX): Removed. 143 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs. 144 145 2015-10-05 Chih-Hung Hsieh <chh (a] google.com> 146 147 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use 148 union of variable length arrays. 149 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 150 * elf-from-memory.c (elf_from_remote_memory): Likewise. 151 * link_map.c (auxv_format_probe): Likewise. 152 * link_map.c (report_r_debug): Likewise. 153 * link_map.c (dwfl_link_map_report): Likewise. 154 155 2015-09-18 Chih-Hung Hsieh <chh (a] google.com> 156 157 * relocate.c (relocate_section): Move nested function "relocate" 158 to file scope, pass all used local variables as constants. 159 Move nested "check_badreltype" to file scope, pass addresses of 160 updated used local variables. 161 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function 162 "read_address" to file scope, pass all updated local variables in 163 a state structure. 164 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested 165 function "subst_name" to file scope, pass all used local variables 166 as constants. 167 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace 168 simple nested function "report" with a macro. Work around gcc static 169 analysis error -Werror=maybe-uninitialized. 170 171 2015-09-22 Mark Wielaard <mjw (a] redhat.com> 172 173 * core-file.c: Remove old-style function definitions. 174 * dwfl_error.c: Likewise. 175 * dwfl_module_dwarf_cfi.c: Likewise. 176 * dwfl_module_eh_cfi.c: Likewise. 177 * dwfl_module_register_names.c: Likewise. 178 * dwfl_module_return_value_location.c: Likewise. 179 * dwfl_version.c: Likewise. 180 181 2015-09-09 Chih-Hung Hsieh <chh (a] google.com> 182 Mark Wielaard <mjw (a] redhat.com> 183 184 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests 185 on parameters declared with __nonnull_attribute__. 186 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as 187 nonnull. 188 189 2015-09-08 Mark Wielaard <mjw (a] redhat.com> 190 191 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd. 192 * linux-pid-attach.c (pid_detach): Call elf_end and close. 193 (dwfl_linux_proc_attach): Open and save /proc/PID/exe. 194 195 2015-09-04 Chih-Hung Hsieh <chh (a] google.com 196 197 * frame_unwind.c (expr_eval): Use llabs instead of abs. 198 199 2015-08-14 Dodji Seketeli <dodji (a] seketeli.org> 200 201 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the 202 debug info file named debuglink_file under 203 mod->dwfl->callbacks->debuginfo_path, by looking at 204 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path 205 which is common to the set of non-absolute parent trees of 206 file_name. 207 208 2015-06-18 Mark Wielaard <mjw (a] redhat.com> 209 210 * find-debuginfo.c (try_open): Free fname on all failure paths. 211 212 2015-06-18 Mark Wielaard <mjw (a] redhat.com> 213 214 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and 215 sh_entsize is not zero. 216 217 2015-06-06 Mark Wielaard <mjw (a] redhat.com> 218 219 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath, 220 localname and file_dirname. 221 222 2015-06-06 Mark Wielaard <mjw (a] redhat.com> 223 224 * derelocate.c (cache_sections): Free sortrefs. 225 226 2015-06-05 Mark Wielaard <mjw (a] redhat.com> 227 228 * dwfl_segment_report_module.c (dwfl_segment_report_module): 229 If the note_file exists, but the build_id doesn't match discard 230 the file and continue reporting. 231 232 2015-06-01 Mark Wielaard <mjw (a] redhat.com> 233 234 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path 235 pointer before passing to strsep. 236 237 2015-05-30 Mark Wielaard <mjw (a] redhat.com> 238 239 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read 240 type and value. 241 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read 242 adresses. 243 244 2015-05-30 Mark Wielaard <mjw (a] redhat.com> 245 246 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is 247 not NULL before calling canonicalize_file_name. 248 249 2015-05-24 Mark Wielaard <mjw (a] redhat.com> 250 251 * derelocate.c (check_module): Check mod is not NULL. 252 253 2015-05-22 Mark Wielaard <mjw (a] redhat.com> 254 255 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with 256 malloc instead of stack allocating. Call free when done with data. 257 258 2015-05-22 Mark Wielaard <mjw (a] redhat.com> 259 260 * dwfl_segment_report_module.c (dwfl_segment_report_module): 261 Allocate phdrs with malloc, not on stack. free in finish. 262 Allocate dyn with malloc, not on stack, free after use. 263 264 2015-05-22 Mark Wielaard <mjw (a] redhat.com> 265 266 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup, 267 instead of alloca or strdupa, local strings of unknown size. 268 Call free before return. 269 270 2015-05-22 Mark Wielaard <mjw (a] redhat.com> 271 272 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return 273 error when id_len too small or too large. strdup, not strdupa, 274 and free path when done. 275 276 2015-05-19 Mark Wielaard <mjw (a] redhat.com> 277 278 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all 279 phdrs on the stack. Allocate with malloc and free when done. 280 281 2015-05-19 Mark Wielaard <mjw (a] redhat.com> 282 283 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and 284 free alternate_name. 285 286 2015-05-19 Mark Wielaard <mjw (a] redhat.com> 287 288 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't 289 stack allocate name. Only change chars up to suffix. 290 291 2015-05-18 Mark Wielaard <mjw (a] redhat.com> 292 293 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate 294 phdrs and shdrs unions with malloc, not alloca. Free after use. 295 296 2015-05-18 Mark Wielaard <mjw (a] redhat.com> 297 298 * derelocate.c (cache_sections): Allocate temporary newrefs and 299 sortrefs with malloc, not alloca. Always free them on return. 300 301 2015-05-07 Mark Wielaard <mjw (a] redhat.com> 302 303 * cu.c (intern_cu): Check for EOF and check cuoff points to a real 304 Dwarf_Die before interning. Explicitly check EOF is expected. 305 306 2015-05-05 Mark Wielaard <mjw (a] redhat.com> 307 308 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid. 309 310 2015-05-06 Roland McGrath <roland (a] hack.frob.com> 311 312 * dwfl_error.c (struct msgtable): Break type definition out of 313 the 'msgtable' initializer. 314 (msgtable): Make it a union of struct msgtable and a char array. 315 (msgstr): Use the full-table char array rather than the msg_0 entry. 316 317 2015-04-23 Max Filippov <jcmvbkbc (a] gmail.com> 318 319 * core-file.c (_compat_without_executable_dwfl_core_file_report): 320 Guard with SYMBOL_VERSIONING. 321 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id): 322 Likewise. 323 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf): 324 Likewise. 325 326 2015-04-02 Mark Wielaard <mjw (a] redhat.com> 327 328 * segment.c (insert): Check correct number of lookup_elts. 329 330 2015-03-31 Mark Wielaard <mjw (a] redhat.com> 331 332 * core-file.c (core_file_read_eagerly): Special case small images. 333 334 2015-01-26 Mark Wielaard <mjw (a] redhat.com> 335 336 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata, 337 syments and first_global on elferr before calling find_dynsym. 338 339 2014-12-27 Mark Wielaard <mjw (a] redhat.com> 340 341 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that 342 has end_sequence set. 343 344 2015-01-04 Mark Wielaard <mjw (a] redhat.com> 345 346 * cu.c (intern_cu): Store result and return directly when finding 347 EOF marker. 348 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1. 349 350 2014-12-19 Mark Wielaard <mjw (a] redhat.com> 351 352 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last. 353 354 2014-12-19 Mark Wielaard <mjw (a] redhat.com> 355 356 * elf-from-memory.c (handle_segment): Remove palign sanity check. 357 358 2014-12-18 Mark Wielaard <mjw (a] redhat.com> 359 360 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL. 361 362 2014-12-13 Mark Wielaard <mjw (a] redhat.com> 363 364 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes 365 a size_t, make sure it doesn't overflow. 366 367 2014-12-13 Mark Wielaard <mjw (a] redhat.com> 368 369 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't 370 wrap around before returning as int. 371 372 2014-12-11 Josh Stone <jistone (a] redhat.com> 373 374 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line 375 record <= addr, rather than returning immediately on matches. 376 377 2014-12-09 Mark Wielaard <mjw (a] redhat.com> 378 379 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't 380 overflow. 381 382 2014-12-07 Mark Wielaard <mjw (a] redhat.com> 383 384 * relocate.c (relocate_section): Sanity check section overlap against 385 actually used ehsize, shentsize and phentsize. 386 387 2014-12-07 Mark Wielaard <mjw (a] redhat.com> 388 389 * offline.c (dwfl_offline_section_address): Assert shndx is not zero. 390 * relocate.c (__libdwfl_relocate_value): Don't relocate against 391 section zero. 392 393 2014-11-29 Mark Wielaard <mjw (a] redhat.com> 394 395 * relocate.c (relocate_section): Check relocation section and target 396 section data don't overlap any of the ELF headers. 397 (relocate): Check for offset + size overflow. 398 399 2014-11-22 Mark Wielaard <mjw (a] redhat.com> 400 401 * link_map.c (consider_executable): Use elf_getphdrnum. 402 (dwfl_link_map_report): Likewise. 403 404 2014-11-18 Mark Wielaard <mjw (a] redhat.com> 405 406 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer, 407 number of symbols and first_global before use. 408 409 2014-11-14 Mark Wielaard <mjw (a] redhat.com> 410 411 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have 412 a zero sh_entsize. 413 414 2014-11-10 Mark Wielaard <mjw (a] redhat.com> 415 416 * dwfl_module_getdwarf.c (find_dynsym): New inner function 417 translate_offs that takes an adjust argument. Try finding 418 the symbol table with and without adjusting to main_bias. 419 420 2014-09-26 Jan Kratochvil <jan.kratochvil (a] redhat.com> 421 422 Support NT_FILE for locating files. 423 * core-file.c (dwfl_core_file_report): New variables note_file and 424 note_file_size, set them and pass them to dwfl_segment_report_module. 425 * dwfl_segment_report_module.c: Include common.h and fcntl.h. 426 (buf_has_data, buf_read_ulong, handle_file_note): New functions. 427 (invalid_elf): New function from code of dwfl_segment_report_module. 428 (dwfl_segment_report_module): Add parameters note_file and 429 note_file_size. New variables elf and fd, clean them up in finish. 430 Move some code to invalid_elf. Call handle_file_note, if it found 431 a name verify the file by invalid_elf. Protect elf and fd against 432 cleanup by finish if we found the file for new Dwfl_Module. 433 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and 434 note_file_size. 435 436 2014-09-23 Mark Wielaard <mjw (a] redhat.com> 437 438 * dwfl_segment_report_module.c (dwfl_segment_report_module): 439 Extract ei_class, ei_data and e_type early and use the result. 440 441 2014-09-18 Jan Kratochvil <jan.kratochvil (a] redhat.com> 442 443 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE. 444 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set 445 IS_EXECUTABLE. 446 * libdwflP.h (struct Dwfl_Module): New field is_executable. 447 448 2014-08-28 Jan Kratochvil <jan.kratochvil (a] redhat.com> 449 450 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use 451 it. 452 (find_dynsym): Pass the new parameter main_bias. 453 454 2014-08-14 Mark Wielaard <mjw (a] redhat.com> 455 456 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz. 457 458 2014-07-24 Jan Kratochvil <jan.kratochvil (a] redhat.com> 459 460 Fix report_r_debug for prelinked libraries. 461 * link_map.c (report_r_debug): Comment out variable l_addr. 462 Use instead new variable base recalculated from l_ld. 463 464 2014-06-24 Kurt Roeckx <kurt (a] roeckx.be> 465 466 * linux-pid-attach.c: Make it build on non linux hosts. 467 468 2014-06-17 Mark Wielaard <mjw (a] redhat.com> 469 470 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask. 471 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise. 472 473 2014-06-15 Mark Wielaard <mjw (a] redhat.com> 474 475 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h 476 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt 477 to read possibly unaligned data. 478 (core_next_thread): Likewise. 479 (core_set_initial_registers): Likewise. 480 (dwfl_core_file_attach): Likewise. 481 482 2014-06-11 Mark Wielaard <mjw (a] redhat.com> 483 484 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr. 485 (dwfl_attach_state): Set dwfl->attacherr. 486 (dwfl_pid): Check and return dwfl->attacherr if set. 487 (dwfl_getthreads): Likewise. 488 (getthread): Likewise. 489 * libdwflP.h: Add DWFL_E_NO_CORE_FILE. 490 (struct Dwfl): Add attacherr field. 491 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr. 492 Don't assert if ELF file is not ET_CORE, just return error. 493 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr. 494 495 2014-06-10 Mark Wielaard <mjw (a] redhat.com> 496 497 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach 498 or dwfl_linux_proc_attach. 499 500 2014-05-15 Mark Wielaard <mjw (a] redhat.com> 501 502 * linux-proc-maps.c (grovel_auxv): Close fd on error. 503 504 2014-05-02 Mark Wielaard <mjw (a] redhat.com> 505 506 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink 507 is always called. 508 509 2014-05-01 Mark Wielaard <mjw (a] redhat.com> 510 511 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields. 512 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id. 513 (__libdwfl_open_by_build_id): New declaration that takes an explicit 514 build-id. 515 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If 516 we already have the Dwarf then look for the alt dwz multi file by 517 build-id. 518 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the 519 build-id we are looking for as argument. 520 (__libdwfl_open_mod_by_build_id): New function, calls 521 __libdwfl_open_by_build_id. 522 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id. 523 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and 524 close alt_fd if necessary. 525 * dwfl_module_getdwarf.c (__check_build_id): Removed. 526 (try_debugaltlink): Removed. 527 (open_debugaltlink): Removed. 528 (open_elf_file): First half of open_elf that just opens the elf 529 file but doesn't setup the load address. 530 (open_elf): Call open_elf_file. 531 (find_debug_altlink): New function. 532 (load_dw): Remove loading of dwz multifile. 533 (find_dw): Call find_debug_altlink. 534 * find-debuginfo.c (validate): Handle alt debug case using 535 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf. 536 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz 537 subdirs. 538 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name 539 to store name to find by dwfl_standard_find_debuginfo instead of 540 allocating an extra variable on stack. 541 542 2014-04-30 Mark Wielaard <mjw (a] redhat.com> 543 544 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to 545 dwelf_elf_gnu_build_id.c. 546 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL. 547 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call 548 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id. 549 * dwfl_module_getdwarf.c (__check_build_id): Implement using 550 dwelf_elf_gnu_build_id. 551 552 2014-04-15 Florian Weimer <fweimer (a] redhat.com> 553 554 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw. 555 (try_debugaltlink): Likewise. 556 (open_debugaltlink): Likewise. 557 (load_dw): Locate alternate debug information using 558 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink. 559 560 2014-04-11 Mark Wielaard <mjw (a] redhat.com> 561 562 * Makefile.am (AM_CPPFLAGS): Add libdwelf. 563 * libdwflP.h: Include libdwelfP.h. 564 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf. 565 (find_debuginfo): Use dwelf_elf_gnu_debuglink. 566 567 2014-04-22 Mark Wielaard <mjw (a] redhat.com> 568 569 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when 570 checking bits. 571 (__libdwfl_frame_reg_set): Likewise. 572 573 2014-04-22 Kurt Roeckx <kurt (a] roeckx.be> 574 575 * linux-pid-attach.c: Make linux only. 576 577 2014-03-14 Mark Wielaard <mjw (a] redhat.com> 578 579 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions. 580 Remove libelf and libdw definitions when MUDFLAP is defined. 581 * argp-std.c (__libdwfl_argp_mudflap_options): Removed. 582 583 2014-03-03 Mark Wielaard <mjw (a] redhat.com> 584 585 * elf-from-memory.c (elf_from_remote_memory): Keep track of 586 segments_end_mem. Pass memsz to first handle_segment pass. Only 587 extend contents_size and use shdrs if only file bits are in 588 segment. 589 590 2014-03-11 Josh Stone <jistone (a] redhat.com> 591 592 * dwfl_module_getdwarf.c (open_elf): Only explicitly set 593 mod->e_type when processing the main ELF file. 594 595 2014-03-04 Mark Wielaard <mjw (a] redhat.com> 596 597 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from 598 linux-pid-attach.c (struct pid_arg). 599 (__libdwfl_get_pid_arg): New internal function declaration. 600 (__libdwfl_ptrace_attach): Likewise. 601 (__libdwfl_ptrace_detach): Likewise. 602 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the 603 special exception modules that cannot be checked at this point. 604 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h 605 (ptrace_attach): Renamed to... 606 (__libdwfl_ptrace_attach): New internal function. 607 (__libdwfl_ptrace_detach): Likewise. Extracted from ... 608 (pid_thread_detach): Call __libdwfl_ptrace_detach now. 609 (__libdwfl_get_pid_arg): New internal function. 610 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special 611 module name contains "(deleted)" and dwfl_pid gives an attached 612 pid. If pid is set and try to (re)use ptrace attach state of 613 process before reading memory. 614 615 2014-03-03 Mark Wielaard <mjw (a] redhat.com> 616 617 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as 618 argument. Free buffer when detecting bad elf. Check PT_LOAD 619 alignment requirements on first handle_segment pass. Calculate 620 loadbase, start and end of segment using pagesize, not p_align. 621 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize 622 to elf_from_remote_memory. 623 624 2014-02-26 Mark Wielaard <mjw (a] redhat.com> 625 626 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input. 627 628 2014-02-26 Mark Wielaard <mjw (a] redhat.com> 629 630 * elf-from-memory.c (elf_from_remote_memory): Check against p64 631 p_type in case ELFCLASS64, not against p32 p_type. 632 633 2014-01-17 Petr Machata <pmachata (a] redhat.com> 634 635 * relocate.c (relocate_section): Use gelf_fsize instead of relying 636 on shdr->sh_entsize. 637 638 2014-01-05 Mark Wielaard <mjw (a] redhat.com> 639 640 * frame_unwind.c (handle_cfi): Only skip resetting return register 641 if the regno is not the actual CIE return address register. 642 643 2014-01-02 Mark Wielaard <mjw (a] redhat.com> 644 645 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi. 646 647 2013-12-30 Mark Wielaard <mjw (a] redhat.com> 648 649 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and 650 dwfl_core_file_attach explicitly. 651 * core-file.c (dwfl_core_file_report): Don't call 652 __libdwfl_attach_state_for_core implicitly. 653 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error. 654 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not 655 process_attach_error. 656 (dwfl_getthreads): Likewise. 657 (getthread): Likewise. 658 * libdwfl.h (dwfl_core_file_report): Update documentation. 659 (dwfl_linux_proc_report): Likewise. 660 (dwfl_core_file_attach): New function declaration. 661 (dwfl_linux_proc_attach): Likewise. 662 * libdwflP.h (struct Dwfl): Remove process_attach_error. 663 (__libdwfl_attach_state_for_pid): Removed declaration. 664 (__libdwfl_attach_state_for_core): Likewise. 665 (dwfl_core_file_attach): New internal declaration. 666 (dwfl_linux_proc_attach): Likewise. 667 (attach_state_for_core): Renamed to... 668 (dwfl_core_file_attach): ...this. Change return type. 669 (__libdwfl_attach_state_for_core): Removed. 670 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped. 671 (pid_set_initial_registers): Check assume_ptrace_stopped before 672 calling ptrace. 673 (pid_thread_detach): Likewise. 674 (__libdwfl_attach_state_for_pid): Renamed to... 675 (dwfl_linux_proc_attach): ...this. Adjust return type. 676 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call 677 __libdwfl_attach_state_for_pid implicitly. 678 679 2013-12-28 Mark Wielaard <mjw (a] redhat.com> 680 681 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special 682 character device files, only regular files. 683 684 2013-12-24 Mark Wielaard <mjw (a] redhat.com> 685 686 * linux-core-attach.c (core_next_thread): Check whether thread_argp 687 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg 688 in that case. Free thread_arg if there are no more threads. 689 690 2013-12-23 Mark Wielaard <mjw (a] redhat.com> 691 692 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free 693 build_id before returning early. 694 695 2013-12-23 Mark Wielaard <mjw (a] redhat.com> 696 697 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual 698 pid (thread group leader) to dwfl_attach_state. 699 700 2013-12-21 Mark Wielaard <mjw (a] redhat.com> 701 702 * frame_unwind.c (handle_cfi): Track whether the return register 703 has been set and only allow it to be set once. 704 705 2013-12-20 Mark Wielaard <mjw (a] redhat.com> 706 707 * dwfl_frame.c (one_arg): New struct. 708 (get_one_thread_cb): New function. 709 (dwfl_getthread): Likewise. 710 (one_thread): New struct. 711 (get_one_thread_frames_cb): New function. 712 (dwfl_getthread_frames): Likewise. 713 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function. 714 (dwfl_getthread_frames): Likewise. 715 * libdwflP.h (dwfl_getthread_frames): New internal function declaration. 716 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread 717 to NULL. 718 * linux-pid-attach.c (pid_getthread): New function. 719 (pid_thread_callbacks): Initialize get_thread to pid_getthread. 720 721 2013-12-20 Mark Wielaard <mjw (a] redhat.com> 722 723 * linux-kernel-modules.c (report_kernel_archive): Correct nested 724 asprintf result check for debug.a. 725 726 2013-12-18 Mark Wielaard <mjw (a] redhat.com> 727 728 * derelocate.c (__libdwfl_find_section_ndx): New internal function. 729 * dwfl_module_addrname.c (dwfl_module_addrname): Use 730 dwfl_module_addrinfo. 731 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with... 732 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value 733 for comparisons, not st_value. Fill in off. Search for both value 734 and the (adjusted) sym.st_value when different. 735 (dwfl_module_addrsym): Implement using __libdwfl_addrsym. 736 (dwfl_module_addrinfo): New function. 737 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with... 738 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested 739 and possible. Adjust sym->st_value only when requested. Fill in addr 740 if available. 741 (dwfl_module_getsym_info): New function. 742 (dwfl_module_getsym): Use __libdwfl_getsym. 743 * libdwfl.h (dwfl_module_getsym_elf): Removed. 744 (dwfl_module_getsym_info): New function declaration. 745 (dwfl_module_addrinfo): Likewise. 746 (dwfl_module_addrsym): Add documentation describing differences 747 with addrinfo variants. 748 (dwfl_module_addrsym_elf): Removed. 749 * libdwflP.h (__libdwfl_getsym): New internal function declaration. 750 (__libdwfl_addrsym): Likewise. 751 (__libdwfl_find_section_ndx): Likewise. 752 (dwfl_module_addrinfo): New internal declaration. 753 (dwfl_module_getsym_info): Likewise. 754 (dwfl_module_addrsym_elf): Removed. 755 (dwfl_module_getsym_elf): Likewise. 756 757 2013-12-18 Jan Kratochvil <jan.kratochvil (a] redhat.com> 758 759 * argp-std.c (offline_find_elf): Remove. 760 (offline_callbacks): Use dwfl_build_id_find_elf instead. 761 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code 762 removed above. 763 764 2013-12-18 Jan Kratochvil <jan.kratochvil (a] redhat.com> 765 766 unwinder: s390 and s390x 767 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc. 768 * frame_unwind.c (new_unwound): New function from ... 769 (handle_cfi): ... here. Call it. 770 (setfunc, getfunc, readfunc): New functions. 771 (__libdwfl_frame_unwind): Call ebl_unwind with those functions. 772 * linux-core-attach.c (core_set_initial_registers): Always iterate 773 through the Ebl_Register_Location loop. Call 774 dwfl_thread_state_register_pc there. 775 776 2013-12-17 Jan Kratochvil <jan.kratochvil (a] redhat.com> 777 778 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA. 779 780 2013-12-17 Mark Wielaard <mjw (a] redhat.com> 781 782 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first 783 traversal. 784 785 2013-12-16 Mark Wielaard <mjw (a] redhat.com> 786 787 * libdwfl.h (dwfl_module_getsymtab_first_global): New function 788 definition. 789 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New 790 function. 791 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal 792 function definition. 793 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function. 794 795 2013-12-14 Mark Wielaard <mjw (a] redhat.com> 796 797 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if 798 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary. 799 * frame_unwind.c (handle_cfi): Free frame result from 800 dwarf_cfi_addrframe when done. 801 802 2013-12-15 Jan Kratochvil <jan.kratochvil (a] redhat.com> 803 804 unwinder: ppc and ppc64 805 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set): 806 Call ebl_dwarf_to_regno. 807 * linux-core-attach.c (core_set_initial_registers): Implement 808 pc_register support. 809 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement 810 FIRSTREG -1. 811 812 2013-11-30 Jan Kratochvil <jan.kratochvil (a] redhat.com> 813 814 Introduce process_attach_error. 815 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error. 816 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if 817 PROCESS is NULL. 818 * libdwflP.h (struct Dwfl): New field process_attach_error. 819 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ... 820 (attach_state_for_core): ... here, make it static, change return type, 821 no longer use __libdwfl_seterrno. 822 (__libdwfl_attach_state_for_core): New wrapper for it. 823 824 2013-11-27 Mark Wielaard <mjw (a] redhat.com> 825 826 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call... 827 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments, 828 keep track of symelf, addr_symelf, closest_elf and sizeless_elf 829 instead of tracking dwfl_files. 830 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to... 831 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add 832 new elfp and biasp arguments. Track elf instead of file. 833 (dwfl_module_getsym): Call dwfl_module_getsym_elf. 834 dwfl_module_info.c (dwfl_module_info): Pass elf to 835 dwfl_adjusted_st_value. 836 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx. 837 (dwfl_module_getsym_elf): New function declaration. 838 (dwfl_module_addrsym_elf): Likewise. 839 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL. 840 (dwfl_module_getsym_elf): Likewise. 841 (dwfl_adjusted_st_value): Take and check elf not dwfl_file. 842 (dwfl_deadjust_st_value): Likewise. 843 (__libdwfl_module_getsym): Removed. 844 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value. 845 846 2013-11-21 Jan Kratochvil <jan.kratochvil (a] redhat.com> 847 848 Fix non-build-id core files on build-id system. 849 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot 850 be read from memory. 851 852 2013-11-21 Jan Kratochvil <jan.kratochvil (a] redhat.com> 853 854 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 855 variable close_elf. Call __libdwfl_find_elf_build_id and compare the 856 content, if possible. 857 858 2013-11-21 Jan Kratochvil <jan.kratochvil (a] redhat.com> 859 860 link_map: Use proper bias, not l_addr. 861 * core-file.c (dynamic_vaddr_get): Rename to ... 862 (__libdwfl_dynamic_vaddr_get): ... here, make it global, 863 internal_function. 864 (dwfl_core_file_report): Update name in the caller. 865 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration. 866 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call 867 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment. 868 Use ELF_DYNAMIC_VADDR instead of L_ADDR. 869 870 2013-11-19 Jan Kratochvil <jan.kratochvil (a] redhat.com> 871 872 Compatibility with older kernels such as RHEL-6. 873 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped. 874 (ptrace_attach): New parameter tid_was_stoppedp. Set it. 875 (pid_set_initial_registers): Pass tid_was_stopped. 876 (pid_thread_detach): Use tid_was_stopped. 877 878 2013-11-18 Josh Stone <jistone (a] redhat.com> 879 880 * dwfl_module_getdwarf.c (find_aux_address_sync): New function. 881 (find_aux_sym): Use it. 882 883 2013-11-14 Jan Kratochvil <jan.kratochvil (a] redhat.com> 884 885 Code cleanup: Remove const in prototype 886 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from 887 firstreg. 888 * libdwfl.h (dwfl_thread_state_registers): Likewise. 889 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise. 890 891 2013-11-14 Jan Kratochvil <jan.kratochvil (a] redhat.com> 892 893 Fix dwfl_attach_state machine->elf. 894 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf. 895 Call ebl_openbackend instead of ebl_openbackend_machine. 896 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf. 897 Update the function description. 898 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to 899 dwfl_attach_state. 900 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to 901 dwfl_attach_state. 902 903 2013-11-06 Jan Kratochvil <jan.kratochvil (a] redhat.com> 904 905 Provide __libdwfl_module_getsym to get dwfl_file *. 906 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove. 907 (dwfl_module_addrsym) (search_table): New variable file. Use 908 __libdwfl_module_getsym. Use file. 909 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ... 910 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it. 911 (dwfl_module_getsym): New wrapper. 912 * libdwflP.h (__libdwfl_module_getsym): New declaration. 913 914 2013-11-13 Jan Kratochvil <jan.kratochvil (a] redhat.com> 915 916 Fix dwfl_module_addrsym for minidebuginfo. 917 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable 918 addr_symfile. 919 (dwfl_module_addrsym) (same_section): Use it. 920 (dwfl_module_addrsym) (i_to_symfile): New function. 921 (dwfl_module_addrsym) (search_table): Use it. 922 923 2013-11-07 Jan Kratochvil <jan.kratochvil (a] redhat.com> 924 Mark Wielaard <mjw (a] redhat.com> 925 926 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c, 927 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and 928 dwfl_frame_regs.c. 929 * core-file.c (dwfl_core_file_report): Call 930 __libdwfl_attach_state_for_core. 931 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free. 932 * dwfl_frame.c: New file. 933 * frame_unwind.c: New file. 934 * dwfl_frame_pc.c: New file. 935 * linux-pid-attach.c: New file. 936 * linux-core-attach.c: New file. 937 * dwfl_frame_regs.c: New file. 938 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs. 939 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments. 940 (Dwfl_Thread_Callbacks): New definition. 941 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl) 942 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers) 943 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 944 (dwfl_frame_pc): New declarations. 945 * libdwflP.h (Dwfl_Process): New typedef. 946 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ) 947 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF) 948 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND) 949 (INVALID_ARGUMENT): New DWFL_ERROR entries. 950 (struct Dwfl): New entry process. 951 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame) 952 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set) 953 (__libdwfl_process_free, __libdwfl_frame_unwind) 954 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core) 955 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations. 956 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid) 957 (dwfl_frame_thread, dwfl_thread_state_registers) 958 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 959 (dwfl_frame_pc): New INTDECL entries. 960 * linux-proc-maps.c (dwfl_linux_proc_report): Call 961 __libdwfl_attach_state_for_pid. 962 * segment.c (segment_start): Rename to ... 963 (__libdwfl_segment_start): ... here and make it internal_function. 964 (segment_end): Rename to ... 965 (__libdwfl_segment_end): ... here and make it internal_function. 966 (reify_segments, dwfl_report_segment): Rename them at the callers. 967 968 2013-11-07 Jan Kratochvil <jan.kratochvil (a] redhat.com> 969 970 * core-file.c (dwfl_core_file_report): Remove the use of MAX. 971 972 2013-11-07 Jan Kratochvil <jan.kratochvil (a] redhat.com> 973 974 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by 975 retval. Fix one forgotten LISTED increase. 976 977 2013-11-07 Jan Kratochvil <jan.kratochvil (a] redhat.com> 978 979 Fix core files for re-prelink-ed files. 980 * core-file.c (dynamic_vaddr_get): New function. 981 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call 982 dynamic_vaddr_get instead of using L_ADDR. 983 * libdwflP.h (struct r_debug_info_module): Remove field l_addr. 984 * link_map.c (report_r_debug): Do not initialize l_addr. 985 986 2013-11-07 Jan Kratochvil <jan.kratochvil (a] redhat.com> 987 988 Code cleanup. 989 * core-file.c (dwfl_core_file_report): Reindent block of code by 990 continue keyword. 991 992 2013-10-30 Jan Kratochvil <jan.kratochvil (a] redhat.com> 993 994 * argp-std.c (parse_opt): Use executable parameter of 995 dwfl_core_file_report. 996 * core-file.c (dwfl_core_file_report): Add parameter executable. Set 997 it to DWFL. Add NEW_VERSION for it. 998 (_compat_without_executable_dwfl_core_file_report): New. Twice. 999 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update 1000 the function comment. 1001 1002 2013-10-15 Mark Wielaard <mjw (a] redhat.com> 1003 1004 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file 1005 mappings. 1006 (dwfl_linux_proc_find_elf): Don't abort, just return failure. 1007 1008 2013-09-12 Mark Wielaard <mjw (a] redhat.com> 1009 1010 * cu.c (intern_cu): If dwarf_offdie fails free cu. 1011 1012 2013-09-12 Mark Wielaard <mjw (a] redhat.com> 1013 1014 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in 1015 bad_report. 1016 1017 2013-09-12 Mark Wielaard <mjw (a] redhat.com> 1018 1019 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with 1020 aux_xndxscn, not xndxscn, for aux_symxndxdata. 1021 1022 2013-08-25 Mark Wielaard <mjw (a] redhat.com> 1023 1024 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true 1025 to dwfl_report_elf. 1026 1027 2013-07-25 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1028 1029 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for 1030 conflicts all the modules, not just the first one. Compare L_LD if it 1031 is equal, not if it is in a module address range. 1032 1033 2013-07-23 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1034 1035 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function. 1036 1037 2013-07-23 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1038 1039 * core-file.c (clear_r_debug_info): Close also ELF and FD. 1040 (dwfl_core_file_report): Call __libdwfl_report_elf for 1041 R_DEBUG_INFO.MODULE. 1042 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from 1043 code of ... 1044 (__libdwfl_report_elf): ... this function. Call it. 1045 * dwfl_segment_report_module.c: Include unistd.h. 1046 (dwfl_segment_report_module): Use basename for MODULE->NAME. 1047 Clear MODULE if it has no build-id and we have segment with build-id. 1048 Ignore this segment only if MODULE still contains valid ELF. 1049 * libdwflP.h (__libdwfl_elf_address_range): New declaration. 1050 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end 1051 and disk_file_has_build_id. 1052 (dwfl_link_map_report): Extend the comment. 1053 * link_map.c (report_r_debug): Extend the comment. Always fill in new 1054 r_debug_info_module. Initialize also the new r_debug_info_module 1055 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range 1056 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL. 1057 1058 2013-07-19 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1059 1060 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function. 1061 1062 2013-07-02 Mark Wielaard <mjw (a] redhat.com> 1063 1064 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert. 1065 1066 2013-06-05 Mark Wielaard <mjw (a] redhat.com> 1067 1068 * link_map.c (report_r_debug): Always call release_buffer after 1069 memory_callback succeeded reading build_id. 1070 1071 2013-05-30 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1072 1073 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set 1074 executable_for_core before calling dwfl_core_file_report. 1075 * core-file.c (clear_r_debug_info): New function. 1076 (dwfl_core_file_report): Move raw segments reporting lower. New 1077 variable r_debug_info, pass it to dwfl_segment_report_module. Call 1078 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED. 1079 * dwfl_module_build_id.c (check_notes): Move into 1080 __libdwfl_find_elf_build_id. 1081 (__libdwfl_find_build_id): Rename to ... 1082 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits, 1083 build_id_elfaddr and build_id_len. Verify MOD vs. ELF. 1084 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and 1085 set, rename data_vaddr to data_elfaddr. Do not call found_build_id. 1086 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not 1087 adjust its data_elfaddr parameter. 1088 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id. 1089 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1090 parameter r_debug_info. New variable name_is_final. Adjust addresses 1091 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL. 1092 Do not overwrite NAME by SONAME if NAME_IS_FINAL. 1093 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration. 1094 (struct r_debug_info_module, struct r_debug_info): New definitions. 1095 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter 1096 r_debug_info. 1097 * link_map.c: Include fcntl.h. 1098 (report_r_debug): Add parameter r_debug_info, describe it in the 1099 function comment. Delete dwfl_addrmodule call and its dependent code. 1100 Verify build-id before calling dwfl_report_elf, also supply 1101 executable_for_core to it. Store r_debug_info->module info when 1102 appropriate. 1103 (dwfl_link_map_report): Add parameter r_debug_info. New variable 1104 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug 1105 caller parameters. 1106 1107 2013-04-30 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1108 1109 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr. 1110 Set it to true for ET_EXEC and ET_CORE. Provide alternative 1111 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE. 1112 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add 1113 NEW_VERSION. 1114 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with 1115 COMPAT_VERSION. 1116 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it. 1117 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr. 1118 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf. 1119 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for 1120 dwfl_report_elf. 1121 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf. 1122 1123 2013-04-27 Mark Wielaard <mjw (a] redhat.com> 1124 1125 * link_map.c: #include system.h. 1126 1127 2013-04-26 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1128 1129 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move 1130 them to lib/system.h. 1131 1132 2013-04-24 Mark Wielaard <mjw (a] redhat.com> 1133 1134 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. 1135 1136 2013-03-20 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1137 1138 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning. 1139 1140 2013-03-12 Mark Wielaard <mjw (a] redhat.com> 1141 1142 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success. 1143 1144 2013-02-22 Mark Wielaard <mjw (a] redhat.com> 1145 1146 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define 1147 as DWFL_E_BADELF when not used. 1148 1149 2013-02-10 Mark Wielaard <mjw (a] redhat.com> 1150 1151 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in 1152 failure messages When handling ARGP_KEY_SUCCESS because arg will 1153 not have been set. 1154 1155 2013-01-30 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1156 1157 * linux-proc-maps.c: Include system.h. 1158 (PROCEXEFMT, get_pid_class): New. 1159 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call 1160 get_pid_class. 1161 1162 2013-01-23 Mark Wielaard <mjw (a] redhat.com> 1163 1164 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one 1165 from aux_syments by default. 1166 (find_symtab): Also succeed when only aux_symdata is found. 1167 When no symtab is found always try to load auxiliary table. 1168 (dwfl_module_getsymtab): Substract one from result when both 1169 tables have symbols. 1170 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary 1171 zero entry when both tables have symbols. 1172 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract 1173 one from first_global when both tables have symbols. 1174 1175 2013-01-16 Mark Wielaard <mjw (a] redhat.com> 1176 1177 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata, 1178 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global. 1179 (dwfl_adjusted_aux_sym_addr): New function. 1180 (dwfl_deadjust_aux_sym_addr): Likewise. 1181 (dwfl_adjusted_st_value): Take and check symfile argument. 1182 (dwfl_deadjust_st_value): Likewise. 1183 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and 1184 use dwfl_file as argument to set address_sync. 1185 (find_debuginfo): Call find_prelink_address_sync with debug file. 1186 (find_aux_sym): New function. 1187 (find_symtab): Use find_aux_sym if all we have is the dynsym table 1188 and fill in aux DwflModule fields. 1189 (dwfl_module_getsymtab): Return syments plus aux_syments. 1190 (load_symtab): Always set first_global. 1191 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile 1192 when using same_section. Calculate first_global based on both 1193 mod->first_global and mod->aux_first_global. 1194 * dwfl_module.c (__libdwfl_module_free): Free aux_sym. 1195 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table 1196 to retrieve symbol and name if necessary, making sure all locals 1197 from any table come before any globals. 1198 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value 1199 with symfile. 1200 * relocate.c (resolve_symbol): Likewise. 1201 1202 2013-01-07 Roland McGrath <roland (a] hack.frob.com> 1203 1204 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but 1205 still assume the data is at least 32-bit aligned anyway. 1206 (dwfl_link_map_report): Handle unaligned auxv data. 1207 1208 2012-12-11 Mark Wielaard <mjw (a] redhat.com> 1209 1210 * linux-kernel-modules.c (report_kernel): Only free fname if 1211 find_kernel_elf succeeds and allocates it. 1212 (report_kernel_archive): Fix brackets around unlikely expression. 1213 1214 2012-11-29 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1215 1216 * argp-std.c: Update Copyright year. 1217 (offline_find_elf): New function. 1218 (offline_callbacks): Use it for find_elf. 1219 (struct parse_opt): New. 1220 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct 1221 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE 1222 processing till ARGP_KEY_SUCCESS. Initialize state->input already from 1223 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the 1224 final state->input initialization optional. 1225 * dwfl_end.c: Update Copyright year. 1226 (dwfl_end): Free executable_for_core. 1227 * libdwflP.h: Update Copyright year. 1228 (struct Dwfl): New field executable_for_core. 1229 1230 2012-11-20 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1231 1232 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS 1233 calculation. 1234 1235 2012-10-17 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1236 1237 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code 1238 from ... 1239 (__libdwfl_getelf): ... here. Call it. 1240 1241 2012-10-17 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1242 1243 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__. 1244 1245 2012-10-10 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1246 1247 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1248 Initialize mod->MAIN_BIAS. 1249 1250 2012-10-10 Jan Kratochvil <jan.kratochvil (a] redhat.com> 1251 1252 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function 1253 binding_value. Use it for both zero and non-zero size symbols 1254 comparisons. 1255 1256 2012-10-01 Mark Wielaard <mjw (a] redhat.com> 1257 1258 * cu.c (cudie_offset): Don't use type_sig8, it might not be 1259 initialized and these are always real CUs, never TUs. 1260 1261 2012-10-01 Mark Wielaard <mjw (a] redhat.com> 1262 1263 * derelocate.c (find_section): Check next section exists before 1264 accessing it. 1265 1266 2012-08-01 Petr Machata <pmachata (a] redhat.com> 1267 1268 * offline.c (process_archive_member): Ignore entry "/SYM64/". 1269 1270 2012-03-28 Roland McGrath <roland (a] hack.frob.com> 1271 1272 * dwfl_segment_report_module.c 1273 (dwfl_segment_report_module: read_portion): Don't use existing buffer 1274 when FILESZ is zero (string mode) and available portion doesn't hold 1275 a terminated string. 1276 1277 2011-12-02 Roland McGrath <roland (a] hack.frob.com> 1278 1279 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case 1280 to use elf64_xlatetom and PHDRS.p64. 1281 Reported by Serge Pavlov <serge.pavlov.at.gnu (a] gmail.com>. 1282 1283 2011-11-31 Mark Wielaard <mjw (a] redhat.com> 1284 1285 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all 1286 global symbols. Then only when that doesn't provide a match search 1287 all local symbols too. 1288 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg 1289 and fill it in. 1290 (find_symtab): Initialize mod->first_global and pass it to load_symtab. 1291 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field. 1292 1293 2011-11-31 Mark Wielaard <mjw (a] redhat.com> 1294 1295 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update 1296 sizeless_sym if needed and closer to desired addr. 1297 1298 2011-10-20 Mark Wielaard <mjw (a] redhat.com> 1299 1300 * derelocate.c (cache_sections): Intern mod->reloc_info check. 1301 (dwfl_module_relocations): Don't check mod->reloc_info. 1302 (dwfl_module_relocation_info): Likewise. 1303 (find_section): Likewise. 1304 1305 2011-07-09 Roland McGrath <roland (a] hack.frob.com> 1306 1307 * image-header.c (LE32): Macro removed (now in lib/system.h). 1308 1309 2011-04-11 Mark Wielaard <mjw (a] redhat.com> 1310 1311 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition 1312 by check for zlib, bzlib or lzma defines to check it isn't empty. 1313 (try_kernel_name): Use same guard for use of vmlinux_suffixes. 1314 1315 2011-03-08 Roland McGrath <roland (a] redhat.com> 1316 1317 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL. 1318 Reported by Kurt Roeckx <kurt (a] roeckx.be>. 1319 1320 2011-02-11 Roland McGrath <roland (a] redhat.com> 1321 1322 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz 1323 suffixes if corresponding decompression support is enabled. 1324 1325 2011-02-01 Roland McGrath <roland (a] redhat.com> 1326 1327 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the 1328 section-end address as the synchronization point, rather than sh_addr. 1329 1330 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover 1331 PT_INTERP p_vaddr separately from main phdrs and undo phdrs. 1332 1333 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in 1334 last change, so we recognize PT_INTERP in ELFCLASS64 correctly. 1335 1336 2011-01-11 Roland McGrath <roland (a] redhat.com> 1337 1338 * dwfl_module_getdwarf.c (open_elf): Remove section-based 1339 address_sync fixup from here. 1340 (find_prelink_address_sync): New function. 1341 (find_debuginfo): Call it. 1342 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error. 1343 1344 2011-01-04 Roland McGrath <roland (a] redhat.com> 1345 1346 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation 1347 logic to consider section addresses, the better to survive all the 1348 possible prelink machinations. 1349 * libdwflP.h (struct dwfl_file): Comment change. 1350 1351 2010-11-30 Roland McGrath <roland (a] redhat.com> 1352 1353 * derelocate.c (dwfl_module_relocations): Remove over-eager assert. 1354 1355 2010-11-12 Roland McGrath <roland (a] redhat.com> 1356 1357 * libdwflP.h (struct Dwfl_Module): New member main_bias. 1358 (dwfl_adjusted_address, dwfl_deadjust_address): Use it. 1359 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it. 1360 1361 * libdwflP.h (dwfl_deadjust_address): New function. 1362 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions. 1363 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr. 1364 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value. 1365 1366 2010-11-11 Roland McGrath <roland (a] redhat.com> 1367 1368 * libdwflP.h (struct dwfl_file): Remove bias member. 1369 Add vaddr and address_sync members instead. 1370 (dwfl_adjusted_address): Calculate using vaddr. 1371 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that. 1372 (dwfl_adjusted_st_value): Use one of those calls. 1373 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync. 1374 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 1375 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions. 1376 * link_map.c (consider_executable): Adjust only MOD->low_addr for 1377 detected PIE bias change. 1378 1379 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function. 1380 * dwfl_module_info.c: Use it. 1381 * cu.c (addrarange): Likewise. 1382 * dwfl_dwarf_line.c: Likewise. 1383 * dwfl_module_dwarf_cfi.c: Likewise. 1384 * dwfl_lineinfo.c: Likewise. 1385 * dwfl_nextcu.c: Likewise. 1386 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise. 1387 1388 * libdwflP.h (dwfl_adjusted_st_value): New function. 1389 * relocate.c (resolve_symbol): Use it. 1390 * dwfl_module_getsym.c: Likewise. 1391 * dwfl_module_addrsym.c: Likewise. 1392 * dwfl_module_info.c: Likewise. 1393 1394 * libdwflP.h (dwfl_adjusted_address): New function. 1395 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it. 1396 * relocate.c (__libdwfl_relocate_value): Likewise. 1397 * derelocate.c (cache_sections): Likewise. 1398 (dwfl_module_address_section): Likewise. 1399 * dwfl_module_getelf.c: Likewise. 1400 * dwfl_module_eh_cfi.c: Likewise. 1401 * link_map.c (consider_executable): Likewise. 1402 1403 2010-08-24 Roland McGrath <roland (a] redhat.com> 1404 1405 * dwfl_dwarf_line.c: New file. 1406 * Makefile.am (libdwfl_a_SOURCES): Add it. 1407 1408 2010-08-18 Roland McGrath <roland (a] redhat.com> 1409 1410 * link_map.c (report_r_debug): Use found name if we have no name, 1411 even if we already have an Elf handle. 1412 1413 2010-06-30 Roland McGrath <roland (a] redhat.com> 1414 1415 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be 1416 confused by -1 return from dwfl_build_id_find_elf after it opened 1417 the Elf handle. 1418 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for 1419 dwfl_build_id_find_debuginfo. 1420 1421 2010-06-16 Roland McGrath <roland (a] redhat.com> 1422 1423 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro. 1424 1425 2010-06-14 Roland McGrath <roland (a] redhat.com> 1426 1427 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare 1428 candidate file to that st_dev/st_ino and pretend it didn't exist 1429 if they match. 1430 (find_debuginfo_in_path): Update caller, pass main file's info. 1431 1432 2010-05-20 Roland McGrath <roland (a] redhat.com> 1433 1434 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ... 1435 (grovel_auxv): ... this. Take DWFL argument. 1436 (dwfl_linux_proc_report): Update caller. 1437 1438 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias 1439 based on dwfl->segment_align or manifest alignment of MOD->low_addr. 1440 1441 2010-05-19 Roland McGrath <roland (a] redhat.com> 1442 1443 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten. 1444 1445 2010-05-06 Roland McGrath <roland (a] redhat.com> 1446 1447 * segment.c (insert): Clear inserted elements of DWFL->lookup_module. 1448 1449 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF. 1450 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build 1451 ID but we didn't find a file. 1452 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check 1453 and refuse any fallback file-by-name if it lacks the matching ID. 1454 1455 * dwfl_error.c (dwfl_errno): Add INTDEF. 1456 * libdwflP.h: Add INTDECL. 1457 1458 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in 1459 failure cases. 1460 1461 2010-05-04 Roland McGrath <roland (a] redhat.com> 1462 1463 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an 1464 ET_DYN that has a DT_DEBUG. 1465 1466 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop. 1467 1468 * segment.c (insert): Fix moving of values following insertion. 1469 (reify_segments): Fix up MOD->segment backpointer indices after 1470 later insertions in the main loop invalidate them. 1471 1472 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and 1473 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly. 1474 1475 * core-file.c (dwfl_core_file_report): Return any nonzero count of 1476 modules reported, even if link_map grovelling failed and only sniffing 1477 found anything. 1478 1479 2010-04-26 Roland McGrath <roland (a] redhat.com> 1480 1481 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc. 1482 Works around probably-wrong ld -r behavior for case of a DWARF address 1483 constant that refers to a discarded SHF_ALLOC section. 1484 1485 2010-04-14 Roland McGrath <roland (a] redhat.com> 1486 1487 * link_map.c (report_r_debug): Limit iterations on the l_next chain to 1488 an upper bound on sane possible number of elements. 1489 1490 2010-03-11 Roland McGrath <roland (a] redhat.com> 1491 1492 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan 1493 the second half for 32-bit matches. 1494 1495 2010-03-10 Roland McGrath <roland (a] redhat.com> 1496 1497 * core-file.c (dwfl_core_file_report): Punt EHDR argument. 1498 * argp-std.c (parse_opt): Update caller. 1499 * libdwfl.h: Declare dwfl_core_file_report. 1500 * libdwflP.h: Don't. 1501 1502 2010-02-17 Roland McGrath <roland (a] redhat.com> 1503 1504 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument. 1505 If set, find the first index not below ADDR. 1506 (dwfl_segment_report_module): Update callers. 1507 Pass true when calculating return value. 1508 1509 2010-02-15 Roland McGrath <roland (a] redhat.com> 1510 1511 * Makefile.am: Use config/eu.am for common stuff. 1512 1513 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized 1514 variable in failure path. 1515 1516 2010-02-02 Mark Wielaard <mjw (a] redhat.com> 1517 1518 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias. 1519 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise 1520 1521 2010-01-07 Roland McGrath <roland (a] redhat.com> 1522 1523 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum. 1524 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 1525 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise. 1526 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 1527 1528 2010-01-06 Roland McGrath <roland (a] redhat.com> 1529 1530 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value. 1531 (relocate_section): Let unresolved SHN_COMMON symbol stay 0. 1532 1533 2009-11-16 Roland McGrath <roland (a] redhat.com> 1534 1535 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn. 1536 1537 2009-11-12 Petr Machata <pmachata (a] redhat.com> 1538 1539 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if 1540 the chunk is both offset-contiguous and vaddr-contiguous. 1541 1542 2009-11-05 Roland McGrath <roland (a] redhat.com> 1543 1544 * link_map.c (report_r_debug): Skip entries with l_ld==0. 1545 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure. 1546 1547 2009-09-04 Roland McGrath <roland (a] redhat.com> 1548 1549 * image-header.c (__libdw_image_header): Fix tranposed comparison. 1550 1551 2009-08-27 Roland McGrath <roland (a] redhat.com> 1552 1553 * image-header.c: New file. 1554 * Makefile.am (libdwfl_a_SOURCES): Add it. 1555 * libdwflP.h: Declare __libdw_image_header. 1556 * open.c (decompress): Don't consume ELF on failure. 1557 (what_kind): New function, broken out of ... 1558 (__libdw_open_file): ... here. Call it. 1559 If it fails, try __libdw_image_header and then try what_kind again. 1560 1561 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER, 1562 leave it behind for next decompressor. 1563 * open.c (decompress): Free BUFFER on failure. 1564 1565 2009-08-26 Roland McGrath <roland (a] redhat.com> 1566 1567 * gzip.c (find_zImage_payload): New function, broken out of ... 1568 (mapped_zImage): ... here. Call it. 1569 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with 1570 stupid method of just trying the decoder. 1571 1572 * open.c [USE_LZMA]: Try __libdw_unlzma. 1573 * libdwflP.h: Declare it. 1574 (DWFL_ERRORS): Add DWFL_E_LZMA. 1575 * gzip.c [LZMA]: Implement liblzma version for XZ file format. 1576 * lzma.c: New file. 1577 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it. 1578 1579 * gzip.c (mapped_zImage): Limit scan to 32kb. 1580 Make this unconditional, support bzip2 kernel images too. 1581 (unzip): Use direct inflate method for non-mmap case too. 1582 Only zlib uses the stream method. 1583 1584 2009-08-09 Roland McGrath <roland (a] redhat.com> 1585 1586 * dwfl_module_build_id.c: Use new macros for versioned definitions. 1587 1588 2009-07-08 Roland McGrath <roland (a] redhat.com> 1589 1590 * dwfl_module_dwarf_cfi.c: New file. 1591 * dwfl_module_eh_cfi.c: New file. 1592 * Makefile.am (libdwfl_a_SOURCES): Add them. 1593 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi. 1594 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi. 1595 1596 2009-07-08 Roland McGrath <roland (a] redhat.com> 1597 1598 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better. 1599 1600 2009-06-18 Mark Wielaard <mjw (a] redhat.com> 1601 1602 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap. 1603 1604 2009-06-13 Ulrich Drepper <drepper (a] redhat.com> 1605 1606 * derelocate.c: Don't use deprecated libelf functions. 1607 * dwfl_module_getdwarf.c: Likewise. 1608 * relocate.c: Likewise. 1609 1610 2009-04-23 Ulrich Drepper <drepper (a] redhat.com> 1611 1612 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is 1613 defined. Otherwise just define the latest version. 1614 1615 2009-04-22 Roland McGrath <roland (a] redhat.com> 1616 1617 * relocate.c (resolve_symbol): Apply correct bias to st_value found in 1618 a non-ET_REL module. 1619 1620 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to 1621 adjust properly for non-ET_REL. 1622 1623 2009-04-21 Roland McGrath <roland (a] redhat.com> 1624 1625 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC. 1626 1627 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL. 1628 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only 1629 for ET_REL. 1630 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 1631 1632 2009-04-20 Roland McGrath <roland (a] redhat.com> 1633 1634 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function. 1635 1636 2009-04-19 Roland McGrath <roland (a] redhat.com> 1637 1638 * dwfl_module_getdwarf.c (find_file): Renamed to ... 1639 (__libdwfl_getelf): ... this. Make it global. 1640 (find_symtab, find_dw): Update callers. 1641 (dwfl_module_getelf): Functions moved ... 1642 * dwfl_module_getelf.c: ... here, new file. 1643 * Makefile.am (libdwfl_a_SOURCES): Add it. 1644 * libdwflP.h: Declare __libdwfl_getelf. 1645 1646 2009-04-14 Roland McGrath <roland (a] redhat.com> 1647 1648 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either 1649 absolute (already adjusted in place) or needing load bias adjustment. 1650 1651 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for 1652 gelf_getphdr failure. Fix file size limit checks. 1653 1654 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check. 1655 1656 2009-04-08 Roland McGrath <roland (a] redhat.com> 1657 1658 * dwfl_module_getsym.c: Don't adjust for bias again after 1659 __libdwfl_relocate_value. 1660 1661 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from 1662 a non-SHF_ALLOC section. 1663 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX. 1664 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise. 1665 1666 2009-03-09 Roland McGrath <roland (a] redhat.com> 1667 1668 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX 1669 variable to outer scope, so we cache it for the loop. 1670 1671 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr. 1672 1673 2009-02-12 Roland McGrath <roland (a] redhat.com> 1674 1675 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use 1676 __libdwfl_relocate_value to find correct sh_addr value. 1677 1678 2009-02-10 Roland McGrath <roland (a] redhat.com> 1679 1680 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY. 1681 If false, don't fail for NO_PHDR. 1682 (dwfl_report_elf): Update caller. 1683 * libdwflP.h: Update decl. 1684 * offline.c (process_elf): Call it with false, so we don't refuse 1685 dubiously-formed objects here. 1686 1687 * link_map.c (consider_executable): Don't assert dwfl_addrsegment 1688 finds our module. We shouldn't crash when we confuse some guesses. 1689 1690 2009-02-10 Ulrich Drepper <drepper (a] redhat.com> 1691 1692 * open.c (decompress): Avoid crash with empty input file. 1693 1694 2009-01-27 Roland McGrath <roland (a] redhat.com> 1695 1696 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD 1697 with zero vaddr and memsz. 1698 1699 2009-01-22 Roland McGrath <roland (a] redhat.com> 1700 1701 * open.c (decompress): Move BUFFER, SIZE decls outside #if. 1702 1703 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments 1704 after address-matching loop. 1705 1706 * segment.c (lookup): Fix fencepost in checking for HINT match. 1707 1708 2009-01-14 Roland McGrath <roland (a] redhat.com> 1709 1710 * gzip.c [!BZLIB] (mapped_zImage): New function. 1711 (unzip) [!BZLIB]: Grok Linux kernel zImage format. 1712 1713 2009-01-10 Ulrich Drepper <drepper (a] redhat.com> 1714 1715 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code. 1716 1717 2009-01-08 Roland McGrath <roland (a] redhat.com> 1718 1719 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): 1720 Skip subdirectory named "source". 1721 (dwfl_linux_kernel_find_elf): Likewise. 1722 1723 2009-01-06 Roland McGrath <roland (a] redhat.com> 1724 1725 * linux-kernel-modules.c (check_suffix): New function. 1726 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes. 1727 (dwfl_linux_kernel_report_offline): Use it. 1728 (dwfl_linux_kernel_find_elf): Likewise. 1729 1730 2009-01-05 Roland McGrath <roland (a] redhat.com> 1731 1732 * argp-std.c (parse_opt): Use __libdw_open_file for core file. 1733 * dwfl_build_id_find_debuginfo.c: Use it to open the file. 1734 * dwfl_build_id_find_elf.c: Likewise. 1735 * dwfl_module_getdwarf.c (open_elf): Likewise. 1736 * dwfl_report_elf.c: Likewise. 1737 * find-debuginfo.c (validate): Likewise. 1738 * offline.c (__libdwfl_report_offline): Likewise. 1739 1740 * libdwflP.h: Declare __libdw_open_file. 1741 * open.c: New file. 1742 * Makefile.am (libdwfl_a_SOURCES): Add it. 1743 1744 * gzip.c: New file. 1745 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it. 1746 * bzip2.c: New file. 1747 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it. 1748 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2. 1749 1750 2008-12-16 Roland McGrath <roland (a] redhat.com> 1751 1752 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and 1753 symver magic to bind to ELFUTILS_0.138. 1754 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible 1755 wrapper for ELFUTILS_0.130 version set. 1756 1757 2008-12-18 Roland McGrath <roland (a] redhat.com> 1758 1759 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN 1760 addresses are taken as relative to MOD->low_addr. 1761 1762 2008-12-15 Roland McGrath <roland (a] redhat.com> 1763 1764 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not 1765 debug.bias. 1766 1767 2008-12-11 Roland McGrath <roland (a] redhat.com> 1768 1769 * offline.c (process_archive): Don't call elf_end and close if 1770 returning NULL. Check first elf_begin call and set error code 1771 specially for empty archive. 1772 Fixes RHBZ#465878. 1773 1774 2008-12-02 Roland McGrath <roland (a] redhat.com> 1775 1776 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. 1777 1778 2008-11-26 Roland McGrath <roland (a] redhat.com> 1779 1780 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in 1781 return value, and interpret encoded OFFSET argument. 1782 1783 2008-10-07 Roland McGrath <roland (a] redhat.com> 1784 1785 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. 1786 1787 2008-09-29 Roland McGrath <roland (a] redhat.com> 1788 1789 * segment.c (insert): Must realloc DWFL->lookup_module here too. 1790 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls. 1791 1792 2008-08-28 Roland McGrath <roland (a] redhat.com> 1793 1794 * segment.c (reify_segments): Fix last change. 1795 1796 2008-08-27 Roland McGrath <roland (a] redhat.com> 1797 1798 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM 1799 failure from pread64. 1800 1801 2008-08-26 Roland McGrath <roland (a] redhat.com> 1802 1803 * segment.c (reify_segments): Insert a trailing segment for a module 1804 end that is above the highest current segment. 1805 1806 2008-08-25 Roland McGrath <roland (a] redhat.com> 1807 1808 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for 1809 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF 1810 if FILE->elf is not ELF_K_ELF. 1811 1812 * dwfl_segment_report_module.c: Add a cast. 1813 1814 2008-08-21 Denys Vlasenko <dvlasenk (a] redhat.com> 1815 1816 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic 1817 which decides which symbol is "closest" to a given address. 1818 1819 2008-08-15 Roland McGrath <roland (a] redhat.com> 1820 1821 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. 1822 (options, parse_opt): Handle --core. 1823 1824 * core-file.c: New file. 1825 * Makefile.am (libdwfl_a_SOURCES): Add it. 1826 * libdwflP.h (dwfl_core_file_report): Declare it. 1827 1828 * link_map.c: New file. 1829 * Makefile.am (libdwfl_a_SOURCES): Add it. 1830 * libdwflP.h (dwfl_link_map_report): Declare it. 1831 1832 * libdwflP.h (MIN, MAX): New macros. 1833 (Dwfl_Memory_Callback): New typedef. 1834 (Dwfl_Module_Callback): New typedef. 1835 (dwfl_segment_report_module): Declare it. 1836 * dwfl_segment_report_module.c: New file. 1837 * Makefile.am (libdwfl_a_SOURCES): Add it. 1838 1839 * derelocate.c (dwfl_module_address_section): Add INTDEF. 1840 * libdwflP.h: Add INTDECL. 1841 1842 * segment.c: New file. 1843 * Makefile.am (libdwfl_a_SOURCES): Add it. 1844 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment. 1845 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc, 1846 lookup_addr, lookup_module, lookup_segndx, replace removed members 1847 modules, nmodules. 1848 (struct Dwfl_Module): New member segment. 1849 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist 1850 to each free module. 1851 * dwfl_module.c (dwfl_report_begin_add): Do nothing. 1852 (dwfl_report_begin): Don't call it. Truncate the segment table instead. 1853 (dwfl_report_module): Don't touch DWFL->nmodules. 1854 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules. 1855 (compare_modules): Function removed. 1856 * dwfl_getmodules.c: Rewritten. 1857 Add INTDEF. 1858 * libdwflP.h: Add INTDECLs. 1859 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules. 1860 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment. 1861 1862 2008-08-03 Roland McGrath <roland (a] redhat.com> 1863 1864 * linux-kernel-modules.c: Include <fts.h> before <config.h>. 1865 1866 2008-07-17 Roland McGrath <roland (a] redhat.com> 1867 1868 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to 1869 zero if the failure was only ENOENT. 1870 1871 2008-06-03 Roland McGrath <roland (a] redhat.com> 1872 1873 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined 1874 symbols. 1875 1876 2008-05-22 Petr Machata <pmachata (a] redhat.com> 1877 1878 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. 1879 1880 2008-05-06 Roland McGrath <roland (a] frob.com> 1881 1882 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use 1883 FTS_LOGICAL here too. 1884 (dwfl_linux_kernel_find_elf): Likewise. 1885 1886 2008-04-29 Roland McGrath <roland (a] redhat.com> 1887 1888 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search 1889 based on canonicalize_file_name if it differs from the supplied name. 1890 1891 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so 1892 we accept symlinks. 1893 1894 2008-04-27 Roland McGrath <roland (a] redhat.com> 1895 1896 * linux-kernel-modules.c (report_kernel): Fix crash when 1897 dwfl_report_elf fails. 1898 1899 2008-04-05 Roland McGrath <roland (a] redhat.com> 1900 1901 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE. 1902 1903 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits. 1904 Clear it after freeing. 1905 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise. 1906 1907 2008-03-26 Roland McGrath <roland (a] redhat.com> 1908 1909 * dwfl_module_getdwarf.c (load_symtab): Don't return success for 1910 SHT_DYNSYM, just set *SYMSCN like the comment says. 1911 1912 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array. 1913 1914 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure. 1915 1916 2008-03-19 Roland McGrath <roland (a] redhat.com> 1917 1918 * dwfl_module_getsrc.c: Adjust address for module bias before search. 1919 1920 2008-03-01 Roland McGrath <roland (a] redhat.com> 1921 1922 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from 1923 prototype to avoid older compiler's complaint about reuse of the name. 1924 (__libdwfl_canon_error): Likewise. 1925 1926 2008-02-19 Roland McGrath <roland (a] redhat.com> 1927 1928 * relocate.c (relocate_section): Check for an unhandled relocation 1929 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE -> 1930 DWFL_E_UNKNOWN_MACHINE check out of loops. 1931 1932 * dwfl_module_getdwarf.c (load_dw): Skip relocation if 1933 DEBUGFILE->relocated is already set. 1934 1935 2008-01-26 Roland McGrath <roland (a] redhat.com> 1936 1937 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null. 1938 1939 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear 1940 incoming *FILE_NAME at the start. 1941 1942 2008-01-08 Roland McGrath <roland (a] redhat.com> 1943 1944 * Makefile.am (euinclude): Variable removed. 1945 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 1946 1947 2007-10-23 Roland McGrath <roland (a] redhat.com> 1948 1949 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel 1950 module to appear first. 1951 1952 2007-10-20 Roland McGrath <roland (a] redhat.com> 1953 1954 * offline.c (process_archive_member): Take FD argument, pass it down 1955 to process_file. Return Elf_Cmd, not bool. 1956 Call elf_next here, always before elf_end. 1957 (process_archive): Update caller. Don't close FD here unless there 1958 are no member refs. 1959 1960 * dwfl_module.c (free_file): Close fd only when elf_end returns zero. 1961 1962 * libdwflP.h (struct dwfl_file): New bool member `relocated'. 1963 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply 1964 partial relocation to one or both files. 1965 (dwfl_module_getdwarf): For ET_REL, make sure extra sections' 1966 relocations have been applied to the debug file if dwfl_module_getelf 1967 has been used before. 1968 1969 * relocate.c (resolve_symbol): New function. 1970 (relocate_section): Call it. 1971 1972 * relocate.c (relocate_getsym): Handle null MOD->symfile. 1973 (relocate_section): Take new bool arg, PARTIAL. If true, 1974 no error for BADRELTYPE/RELUNDEF, instead just skip them 1975 and leave only those skipped relocs behind the reloc section. 1976 (__libdwfl_relocate_section): Take new arg, pass it down. 1977 (__libdwfl_relocate): Take new bool arg, DEBUG. If false, 1978 do partial relocation on all sections. 1979 * dwfl_module_getdwarf.c (load_dw): Update caller. 1980 * libdwflP.h: Update decls. 1981 * derelocate.c (dwfl_module_address_section): Pass new argument 1982 to __libdwfl_relocate_section, true. 1983 1984 * derelocate.c (cache_sections): Don't cache reloc sections when 1985 section_address callback is null. 1986 1987 2007-10-19 Roland McGrath <roland (a] redhat.com> 1988 1989 * relocate.c (relocate_section): Fix fencepost error in r_offset check. 1990 1991 * derelocate.c (struct dwfl_relocation): Add member `relocs'. 1992 (struct secref): Likewise. 1993 (cache_sections): Cache the relocation section referring to each 1994 section we cache, if any. 1995 (dwfl_module_address_section): Use __libdwfl_relocate_section as 1996 necessary. 1997 1998 * relocate.c (struct reloc_symtab_cache): New type. 1999 (relocate_getsym): Use it instead of four arguments. 2000 (__libdwfl_relocate): Update caller. 2001 (relocate_section): New function, broken out of ... 2002 (__libdwfl_relocate): ... here. 2003 (__libdwfl_relocate_section): New function. 2004 * libdwflP.h: Declare it. 2005 2006 2007-10-17 Roland McGrath <roland (a] redhat.com> 2007 2008 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias 2009 to relocated st_value. 2010 2011 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for 2012 ET_REL to 0x100. 2013 2014 2007-10-16 Roland McGrath <roland (a] redhat.com> 2015 2016 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later 2017 section has larger alignment requirements not met by the original BASE, 2018 rather than padding more between sections. 2019 2020 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation. 2021 2022 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias 2023 to sh_addr value. 2024 2025 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE 2026 at zero in ET_REL case. Adjust BASE to necessary alignment. 2027 2028 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value 2029 for DATA_VADDR. 2030 (__libdwfl_find_build_id): Update caller. 2031 2032 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset. 2033 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 2034 * offline.c (dwfl_offline_section_address): Bail early if there is 2035 separate debug file. 2036 2037 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF. 2038 2039 2007-10-09 Roland McGrath <roland (a] redhat.com> 2040 2041 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when 2042 caching SHDR->sh_addr = 0. 2043 * offline.c (dwfl_offline_section_address): Never called for sh_addr 2044 really at 0, don't check for it. Use MOD->debug directly, not symfile. 2045 2046 * dwfl_module_getdwarf.c (load_symtab): Return success properly when 2047 we've found SHT_SYMTAB. 2048 2049 * relocate.c (relocate_getsym): New function. 2050 (__libdwfl_relocate): Use it. 2051 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX 2052 be a pointer instead of value; cache getshstrndx result there. 2053 * libdwflP.h: Update decl. 2054 * derelocate.c (cache_sections): Update caller. 2055 Always work on the main file, not the symfile. 2056 (dwfl_module_address_section): Likewise. 2057 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller. 2058 2059 2007-10-07 Roland McGrath <roland (a] redhat.com> 2060 2061 * offline.c (process_archive): Initialize MOD. 2062 2063 * linux-kernel-modules.c (get_release): New function, broken out of ... 2064 (report_kernel): ... here. Call it. 2065 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set. 2066 (find_kernel_elf): Update caller. 2067 (report_kernel_archive): New function. 2068 (dwfl_linux_kernel_report_offline): Call it. 2069 2070 * offline.c (process_file): Take new arg PREDICATE, pass it down. 2071 (process_archive): Likewise. 2072 (process_archive_member): Likewise. When nonnull, let the predicate 2073 decide whether to use this member. 2074 (__libdwfl_report_offline): New function, broken out of ... 2075 (dwfl_report_offline): ... here. Call it. 2076 * libdwflP.h: Declare it. 2077 2078 * offline.c (process_archive, process_archive_member): New functions. 2079 (process_elf, process_file): New functions, broken out of ... 2080 (dwfl_report_offline): ... here. Call process_file, which recurses on 2081 ELF_K_AR files. 2082 2083 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ... 2084 (dwfl_report_elf): ... here. Call it. 2085 * libdwflP.h: Declare it. 2086 2087 2007-10-06 Roland McGrath <roland (a] redhat.com> 2088 2089 * derelocate.c (dwfl_module_relocations): Don't call 2090 dwfl_module_getdwarf. 2091 2092 * derelocate.c (find_section): Use __libdwfl_seterrno, not 2093 __libdw_seterrno. 2094 2095 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not 2096 SHF_ALLOC, to cache sh_addr resolved to 0. 2097 2098 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr 2099 values nonzero already, just use its existing layout. 2100 2101 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its 2102 in-core shdr after applying it. 2103 2104 2007-10-04 Ulrich Drepper <drepper (a] redhat.com> 2105 2106 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake 2107 initialization of notes variable. 2108 2109 2007-10-04 Roland McGrath <roland (a] redhat.com> 2110 2111 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES, 2112 fill in with vaddr of "__start_notes" symbol if found. 2113 (check_notes): New function. 2114 (check_kernel_notes): New function. 2115 (dwfl_linux_kernel_report_kernel): Call it. 2116 (check_module_notes): New function. 2117 (dwfl_linux_kernel_report_modules): Call it. 2118 2119 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): 2120 Try dwfl_build_id_find_elf first. 2121 2122 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT. 2123 Set kernel module e_type to ET_DYN. 2124 2125 2007-10-03 Roland McGrath <roland (a] redhat.com> 2126 2127 * find-debuginfo.c (validate): New function, broken out of ... 2128 (find_debuginfo_in_path): ... here. New function, broken out of ... 2129 (dwfl_standard_find_debuginfo): ... here. Call it, after trying 2130 dwfl_build_id_find_debuginfo first. 2131 2132 * dwfl_build_id_find_elf.c: New file. 2133 * dwfl_build_id_find_debuginfo.c: New file. 2134 * Makefile.am (libdwfl_a_SOURCES): Add them. 2135 * libdwfl.h: Declare them. 2136 * libdwflP.h: Add INTDECLs. 2137 2138 * dwfl_module_build_id.c: New file. 2139 * dwfl_module_report_build_id.c: New file. 2140 * Makefile.am (libdwfl_a_SOURCES): Add them. 2141 * libdwfl.h: Declare them. 2142 * libdwflP.h (struct Dwfl_Module): New members build_id_bits, 2143 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id. 2144 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits. 2145 2146 * dwfl_module_getdwarf.c (find_offsets): New function. 2147 (find_dynsym): New function, calls that. 2148 (find_symtab): Call it. 2149 2150 2007-09-11 Roland McGrath <roland (a] redhat.com> 2151 2152 * dwfl_module_addrsym.c: Prefer a later global symbol at the same 2153 address if its st_size is smaller. 2154 2155 2007-08-13 Roland McGrath <roland (a] redhat.com> 2156 2157 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler. 2158 2159 2007-08-12 Roland McGrath <roland (a] redhat.com> 2160 2161 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use 2162 FTS_LOGICAL. 2163 2164 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on 2165 a second phdr if it happens to match EHDR_VMA exactly. 2166 2167 2007-08-08 Roland McGrath <roland (a] redhat.com> 2168 2169 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and 2170 those with no names. Rewrite best symbol algorithm not to assume a 2171 sorted table and to be smarter handling sizeless symbols. 2172 2173 2007-07-16 Roland McGrath <roland (a] redhat.com> 2174 2175 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when 2176 reviving an existing module. 2177 2178 2007-06-08 Roland McGrath <roland (a] redhat.com> 2179 2180 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME. 2181 2182 2007-05-17 Roland McGrath <roland (a] redhat.com> 2183 2184 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at 2185 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel. 2186 (dwfl_linux_kernel_find_elf): Likewise. 2187 2188 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 2189 getline and sscanf instead of fscanf. 2190 2191 2007-05-08 Roland McGrath <roland (a] redhat.com> 2192 2193 * offline.c (dwfl_offline_section_address): Don't assume section 2194 numbers match between stripped and debuginfo files. Instead, assume 2195 only that the ordering among SHF_ALLOC sections matches. 2196 2197 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to 2198 pointer to string. 2199 (dwfl_linux_kernel_report_offline): Update caller. 2200 (dwfl_linux_kernel_report_kernel): Likewise. 2201 2202 2007-04-23 Roland McGrath <roland (a] redhat.com> 2203 2204 * argp-std.c (options): Fix group title string. 2205 2206 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl. 2207 Update via STATE->input every time we set STATE->hook, not only at 2208 ARGP_KEY_SUCCESS. 2209 2210 * dwfl_module.c (free_file): Free FILE->name. 2211 2212 2007-04-16 Roland McGrath <roland (a] redhat.com> 2213 2214 * derelocate.c (cache_sections): Apply bias to sh_addr. 2215 (compare_secrefs): Fix address comparison to avoid signed overflow. 2216 (find_section): New function, broken out of ... 2217 (dwfl_module_relocate_address): ... here, call it. 2218 (check_module): New function, broken out of ... 2219 (dwfl_module_relocate_address): ... here, call it. 2220 (dwfl_module_address_section): New function. 2221 * libdwfl.h: Declare it. 2222 2223 2007-03-26 Roland McGrath <roland (a] redhat.com> 2224 2225 * dwfl_module.c (__libdwfl_module_free): Free MOD itself. 2226 2227 2007-03-18 Roland McGrath <roland (a] redhat.com> 2228 2229 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of 2230 (find_debuginfo): ... here. Call it. 2231 Don't return error for libelf errors finding .gnu_debuglink section. 2232 2233 2007-03-12 Roland McGrath <roland (a] redhat.com> 2234 2235 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ... 2236 (dwfl_report_begin): ... here. Call it. 2237 * libdwfl.h: Declare it. 2238 * libdwflP.h: Add INTDECL. 2239 2240 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 2241 2242 * offline.c: Comment typo fix. 2243 2244 2007-03-04 Roland McGrath <roland (a] redhat.com> 2245 2246 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel". 2247 (find_kernel_elf): New function, broken out of ... 2248 (report_kernel): ... here. Call it. 2249 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME. 2250 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess 2251 virtual address bounds of kernel from symbols rounded to page size. 2252 (dwfl_linux_kernel_report_kernel): Use that if it works, before 2253 resorting to report_kernel. 2254 2255 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an 2256 ET_EXEC file with nonzero bias. 2257 2258 * dwfl_module_addrname.c (dwfl_module_addrname): Just call 2259 dwfl_module_addrsym. Guts moved to ... 2260 * dwfl_module_addrsym.c: ... here; new file. 2261 * Makefile.am (libdwfl_a_SOURCES): Add it. 2262 * libdwfl.h: Declare dwfl_module_addrsym. 2263 * libdwflP.h: Add INTDECL. 2264 2265 2007-03-03 Roland McGrath <roland (a] redhat.com> 2266 2267 * dwfl_module.c (free_file): New function, broken out of ... 2268 (__libdwfl_module_free): ... here. In it, close fd after elf_end. 2269 2270 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1 2271 on libelf failure. 2272 2273 2007-03-02 Roland McGrath <roland (a] redhat.com> 2274 2275 * linux-kernel-modules.c: Fix bogus error test for asprintf call. 2276 2277 2007-02-02 Roland McGrath <roland (a] redhat.com> 2278 2279 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary 2280 address exactly if it's no other module's low boundary. 2281 2282 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value 2283 and size cover the address, select the closest symbol with st_size==0 2284 that lies in the same section. 2285 2286 2007-01-29 Roland McGrath <roland (a] redhat.com> 2287 2288 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION, 2289 not PACKAGE_STRING. 2290 2291 2007-01-20 Roland McGrath <roland (a] redhat.com> 2292 2293 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1 2294 as omitted, not 0. 2295 * libdwfl.h (Dwfl_Callbacks): Update comment. 2296 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections. 2297 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2298 For ignored missing section, use -1 instead of 0. 2299 * offline.c (dwfl_offline_section_address): Expect a call for 0. 2300 2301 2007-01-19 Roland McGrath <roland (a] redhat.com> 2302 2303 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to 2304 zero so a lone -e foo.so is shown without address bias. 2305 2306 2007-01-10 Roland McGrath <roland (a] redhat.com> 2307 2308 * linux-kernel-modules.c (report_kernel): Check asprintf return value 2309 directly instead of via side effect, to silence warn_unused_result. 2310 (dwfl_linux_kernel_report_offline): Likewise. 2311 (dwfl_linux_kernel_find_elf): Likewise. 2312 (dwfl_linux_kernel_module_section_address): Likewise. 2313 * find-debuginfo.c (try_open): Likewise. 2314 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise. 2315 (dwfl_linux_proc_report): Likewise. 2316 2317 * libdwfl.h (dwfl_begin): Require nonnull argument. 2318 2319 2006-12-27 Roland McGrath <roland (a] redhat.com> 2320 2321 * dwfl_module.c (compare_modules): Fix address comparison to avoid 2322 signed overflow. Patch by Frank Ch. Eigler <fche (a] redhat.com>. 2323 2324 2006-10-30 Roland McGrath <roland (a] redhat.com> 2325 2326 * dwfl_module.c (dwfl_report_module): Comment typo fix. 2327 2328 2006-09-05 Roland McGrath <roland (a] redhat.com> 2329 2330 * derelocate.c (cache_sections): Use alloca instead of variable-sized 2331 auto array, in function already using alloca. 2332 2333 2006-08-14 Roland McGrath <roland (a] redhat.com> 2334 2335 * linux-kernel-modules.c (try_kernel_name): If the call to 2336 dwfl_standard_find_debuginfo produces no results, try it again 2337 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix. 2338 2339 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ... 2340 * libdwflP.h: ... to here. 2341 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it 2342 repeats the first thing dwfl_standard_find_debuginfo will try. 2343 2344 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro. 2345 (dwfl_linux_kernel_module_section_address): If a /sys file is missing 2346 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the 2347 section name. 2348 2349 2006-07-12 Ulrich Drepper <drepper (a] redhat.com> 2350 2351 * cu.c: Adjust for internal_function_def removal. 2352 * dwfl_error.c: Likewise. 2353 * dwfl_module.c: Likewise. 2354 * dwfl_module_getdwarf.c: Likewise. 2355 * lines.c: Likewise. 2356 * relocate.c: Likewise. 2357 2358 2006-07-11 Ulrich Drepper <drepper (a] redhat.com> 2359 2360 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value, 2361 it can overflow the return value type. 2362 Patch by Tim Moore <timoore (a] redhat.com>. 2363 2364 2006-06-28 Roland McGrath <roland (a] redhat.com> 2365 2366 * libdwfl.h: Cosmetic changes. 2367 2368 * dwfl_line_comp_dir.c: New file. 2369 * Makefile.am (libdwfl_a_SOURCES): Add it. 2370 * libdwfl.h: Declare dwfl_line_comp_dir. 2371 2372 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn. 2373 2374 * dwfl_linecu.c: New file. 2375 * Makefile.am (libdwfl_a_SOURCES): Add it. 2376 * libdwfl.h: Declare dwfl_linecu. 2377 2378 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu. 2379 (dwfl_linecu): Define as macro. 2380 2381 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym. 2382 2383 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function. 2384 (dwfl_module_addrname): Function moved ... 2385 * dwfl_module_addrname.c: ... here, new file. 2386 * dwfl_module_getsym.c: New file. 2387 * Makefile.am (libdwfl_a_SOURCES): Add them. 2388 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym. 2389 * libdwflP.h: Add INTDECLs. 2390 2391 2006-06-27 Roland McGrath <roland (a] redhat.com> 2392 2393 * dwfl_module.c (dwfl_report_end): Whitespace fix. 2394 2395 2006-06-13 Roland McGrath <roland (a] redhat.com> 2396 2397 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 2398 Use __libdwfl_seterrno for elf_memory failure. 2399 2400 2006-05-22 Roland McGrath <roland (a] redhat.com> 2401 2402 * dwfl_module_return_value_location.c 2403 (dwfl_module_return_value_location): Use __libdwfl_module_getebl. 2404 2405 2006-05-27 Ulrich Drepper <drepper (a] redhat.com> 2406 2407 * libdwfl.h: Add extern "C". 2408 2409 2006-05-22 Ulrich Drepper <drepper (a] redhat.com> 2410 2411 * cu.c (addrarange): Handle files without aranges information. 2412 2413 2006-05-16 Ulrich Drepper <drepper (a] redhat.com> 2414 2415 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of 2416 ->modules is NULL. 2417 2418 2006-02-26 Roland McGrath <roland (a] redhat.com> 2419 2420 * dwfl_version.c: New file. 2421 * Makefile.am (libdwfl_a_SOURCES): Add it. 2422 * libdwfl.h: Declare dwfl_version. 2423 2424 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having 2425 aligned up from DWFL->offline_next_address when checking for overlap. 2426 2427 2005-12-22 Roland McGrath <roland (a] redhat.com> 2428 2429 * argp-std.c (parse_opt): Call dwfl_end in failure cases. 2430 2431 * linux-proc-maps.c (proc_maps_report): New function, broken out of ... 2432 (dwfl_linux_proc_report): ... here. Call it. 2433 (dwfl_linux_proc_maps_report): New function. 2434 * libdwfl.h: Declare it. 2435 * libdwflP.h: Add INTDECL. 2436 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map. 2437 2438 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf 2439 failed with DWFL_E_NO_DWARF. 2440 2441 2005-11-26 Roland McGrath <roland (a] redhat.com> 2442 2443 * dwfl_end.c (dwfl_end): Free the DWFL itself. 2444 2445 2005-11-25 Roland McGrath <roland (a] redhat.com> 2446 2447 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function. 2448 (load_dw): Use it. 2449 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise. 2450 * libdwflP.h: Declare it. 2451 2452 * dwfl_module_register_names.c: New file. 2453 * Makefile.am (libdwfl_a_SOURCES): Add it. 2454 * libdwfl.h: Declare dwfl_module_register_names. 2455 2456 2005-11-21 Roland McGrath <roland (a] redhat.com> 2457 2458 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2459 Don't leak malloc'd file name. 2460 If a /sys/.../sections file is missing and starts with ".init", 2461 try the variant with "_init" too; catches PPC64 kernel braindamage. 2462 2463 2005-11-15 Roland McGrath <roland (a] redhat.com> 2464 2465 * libdwfl.h: Comment fixes. 2466 2467 * dwfl_module_return_value_location.c: Add unlikely for error case. 2468 2469 2005-11-13 Roland McGrath <roland (a] redhat.com> 2470 2471 * dwfl_return_value_location.c: New file. 2472 * Makefile.am (libdwfl_a_SOURCES): Add it. 2473 * libdwfl.h: Declare dwfl_module_return_value_location. 2474 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE. 2475 2476 2005-10-20 Roland McGrath <roland (a] redhat.com> 2477 2478 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE. 2479 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE 2480 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE. 2481 2482 2005-10-01 Roland McGrath <roland (a] redhat.com> 2483 2484 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail 2485 with errno 0. 2486 2487 2005-09-19 Roland McGrath <roland (a] redhat.com> 2488 2489 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 2490 PRIx64 instead of PRIi64, lest addresses with high bits set overflow 2491 the signed integer reading; they will just have to be in hexadecimal. 2492 (dwfl_linux_kernel_module_section_address): Likewise. 2493 2494 2005-08-28 Ulrich Drepper <drepper (a] redhat.com> 2495 2496 * Makefile.am (%.os): Use COMPILE.os. 2497 (COMPILE.os): Filter out gconv options. 2498 2499 2005-08-25 Roland McGrath <roland (a] redhat.com> 2500 2501 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end. 2502 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info. 2503 2504 2005-08-24 Roland McGrath <roland (a] redhat.com> 2505 2506 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it. 2507 2508 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function, 2509 magic initializer to set -heur-stack-bound option. 2510 2511 2005-08-22 Roland McGrath <roland (a] redhat.com> 2512 2513 * dwfl_validate_address.c: New file. 2514 * Makefile.am (libdwfl_a_SOURCES): Add it. 2515 * libdwfl.h: Declare dwfl_validate_address. 2516 2517 * derelocate.c (dwfl_module_relocate_address): Add INTDEF. 2518 * libdwflP.h: Add INTDECL. 2519 2520 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of 2521 elf_rawdata for symbol-related sections. 2522 2523 * offline.c (dwfl_report_offline): Move offline_next_address outside 2524 module's range, in case it's an ET_EXEC using fixed segment locations. 2525 * libdwfl.h: Update comment. 2526 2527 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's 2528 required alignment. 2529 2530 2005-08-20 Roland McGrath <roland (a] redhat.com> 2531 2532 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE, 2533 function to choose whether to report. 2534 (dwfl_linux_kernel_report_offline): Likewise. 2535 * libdwfl.h: Update decl. 2536 * argp-std.c (parse_opt): Update caller. 2537 2538 * dwfl_getsrclines.c: New file. 2539 * dwfl_onesrcline.c: New file. 2540 * Makefile.am (libdwfl_a_SOURCES): Add them. 2541 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline. 2542 2543 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak 2544 MODULESDIR[0]. Call fts_close on failure. 2545 2546 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *. 2547 Close ET_REL file descriptors after relocation. 2548 (find_dw): Update caller. 2549 * offline.c (dwfl_report_offline): Get the file into memory and close 2550 the file descriptor. 2551 2552 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when 2553 MOD->debug.elf is already set. 2554 2555 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY. 2556 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR. 2557 2558 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use 2559 dwfl_linux_kernel_report_offline with offline_callbacks. 2560 2561 * linux-kernel-modules.c (report_kernel): New function, broken out of 2562 ... 2563 (dwfl_linux_kernel_report_kernel): ... here. Use it. 2564 (dwfl_linux_kernel_report_offline): New function. 2565 * libdwfl.h: Declare it. 2566 * libdwflP.h: Add INTDECL. 2567 2568 2005-08-19 Roland McGrath <roland (a] redhat.com> 2569 2570 Use standard debuginfo search path to look for vmlinux. 2571 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if 2572 passed zero. 2573 * linux-kernel-modules.c (try_kernel_name): New function, broken out 2574 of ... 2575 (dwfl_linux_kernel_report_kernel): ... here. Use it. 2576 2577 * argp-std.c (offline_callbacks): New variable. 2578 (parse_opt): Use it for -e. Allow multiple -e options. 2579 2580 * offline.c: New file. 2581 * Makefile.am (libdwfl_a_SOURCES): Add it. 2582 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline. 2583 * libdwflP.h: Add INTDECLs. 2584 (OFFLINE_REDZONE): New macro. 2585 (struct Dwfl): New member `offline_next_address'. 2586 * dwfl_begin.c (dwfl_begin): Initialize it. 2587 * dwfl_module.c (dwfl_report_begin): Likewise. 2588 2589 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL, 2590 do a nominal absolute section layout starting at BASE. 2591 * libdwfl.h: Update comment. 2592 2593 2005-08-18 Roland McGrath <roland (a] redhat.com> 2594 2595 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do 2596 dwfl_module_getdwarf if necessary. 2597 2598 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0. 2599 * libdwfl.h: Update comment. 2600 2601 * derelocate.c: New file. 2602 * Makefile.am (libdwfl_a_SOURCES): Add it. 2603 2604 * libdwflP.h (struct Dwfl_Module): isrel -> e_type. 2605 * dwfl_report_elf.c (dwfl_report_elf): Initialize it. 2606 * dwfl_module_getdwarf.c (open_elf): Update initialization. 2607 (load_dw, dwfl_module_addrname): Update uses. 2608 * relocate.c (__libdwfl_relocate): Likewise. 2609 2610 2005-08-04 Roland McGrath <roland (a] redhat.com> 2611 2612 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional 2613 arguments SHNDX, SHDR. 2614 (dwfl_linux_kernel_module_section_address): Update prototype. 2615 * relocate.c (__libdwfl_relocate_value): Update caller. 2616 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2617 Take the new arguments. 2618 2619 2005-08-10 Roland McGrath <roland (a] redhat.com> 2620 2621 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE, 2622 use it instead of MOD->debug.file. 2623 * libdwflP.h: Update decl. 2624 * dwfl_module_getdwarf.c (load_dw): Update caller. 2625 Fixes bug #165598. 2626 2627 2005-08-09 Roland McGrath <roland (a] redhat.com> 2628 2629 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs. 2630 * cu.c: Use INTUSE on dwarf_* calls. 2631 * dwfl_error.c: Likewise. 2632 * dwfl_module.c: Likewise. 2633 * dwfl_module_getdwarf.c: Likewise. 2634 * dwfl_module_getsrc_file.c: Likewise. 2635 * lines.c: Likewise. 2636 2637 2005-08-07 Roland McGrath <roland (a] redhat.com> 2638 2639 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module 2640 names contain '_' or '-', look for files named either "foo-bar.ko" 2641 or "foo_bar.ko". 2642 2643 2005-07-29 Roland McGrath <roland (a] redhat.com> 2644 2645 * loc2c.c: File removed. 2646 * loc2c.h: File removed. 2647 * loc2c-runtime.h: File removed. 2648 * test2.c: File removed. 2649 * Makefile.am (EXTRA_DIST): Variable removed. 2650 (noinst_HEADERS): Remove loc2c.h from here. 2651 2652 2005-07-28 Ulrich Drepper <drepper (a] redhat.com> 2653 2654 * libdwfl.h: Add a few missing extern for function prototypes. 2655 2656 * libdwfl_crc32.c: New file. 2657 * libdwfl_crc32_file.c: New file. 2658 * libdwflP.h: Declare the new functions. 2659 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and 2660 libdwfl_crc32_file.c. 2661 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file 2662 instead of crc32_file. 2663 2664 2005-07-28 Roland McGrath <roland (a] redhat.com> 2665 2666 * ptest.c: Moved to ../tests/dwflmodtest.c. 2667 2668 * Makefile.am (noinst_PROGRAMS): Variable removed. 2669 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise. 2670 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise. 2671 (libdwfl): Don't use libdwfl.so any more. 2672 (libdwfl.so, install, uninstall): Targets removed. 2673 (test2_SOURCES): Define EXTRA_DIST instead of this. 2674 * libdwfl.map: File removed. 2675 2676 * libdwfl.h: Use "" for libdw.h #include. 2677 2678 2005-07-27 Roland McGrath <roland (a] redhat.com> 2679 2680 * libdwfl.map: Add dwfl_getmodules. 2681 2682 2005-07-23 Ulrich Drepper <drepper (a] redhat.com> 2683 2684 * Makefile.am: Fix rules to allow building with mudflap. 2685 2686 2005-07-21 Roland McGrath <roland (a] redhat.com> 2687 2688 * Makefile.am (noinst_HEADERS): Add loc2c.c. 2689 2690 * test2.c (main): Check sscanf result to quiet warning. 2691 2692 2005-07-20 Roland McGrath <roland (a] redhat.com> 2693 2694 * libdwfl-branch merged, creating this direcotry. 2695
