12019-02-24 Mark Wielaard <mark@klomp.org> 2 3 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before 4 fopen. 5 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm. 6 72019-01-25 Yonghong Song <yhs@fb.com> 8 9 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to 10 read the inode number. 11 122019-01-20 Mark Wielaard <mark@klomp.org> 13 14 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check 15 dyn_filesz vs dyn_data_size after read_portion call. 16 172019-01-16 Mark Wielaard <mark@klomp.org> 18 19 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note. 20 (core_set_initial_registers): Likewise. 21 222018-10-23 Mark Wielaard <mark@klomp.org> 23 24 * relocate.c (relocate_section): Only sanity check mmapped Elf files 25 for overlap. Don't error when section data was malloced, not mmapped. 26 272018-10-20 Mark Wielaard <mark@klomp.org> 28 29 * libdwflP.h (__libdw_open_elf): New internal function declaration. 30 * open.c (what_kind): Rename close_fd to may_close_fd. 31 (__libdw_open_file): Replaced (and renamed) by a call to ... 32 (libdw_open_elf): this. And add never_close_fd argument. 33 (__libdw_open_elf): New function that calls libdw_open_elf. 34 352018-10-18 Mark Wielaard <mark@klomp.org> 36 37 * dwfl_segment_report_module.c (consider_note): Take align as new 38 argument. Use align to set d_type and calculate padding. 39 (dwfl_segment_report_module): Pass align to consider_notes. 40 * core-file.c (dwfl_core_file_report): Check p_align to set ELF 41 type. 42 * linux-kernel-modules.c (check_notes): Check name and type of note 43 to determine padding. 44 452018-10-19 Mark Wielaard <mark@klomp.org> 46 47 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero. 48 492018-10-14 Mark Wielaard <mark@klomp.org> 50 51 * dwfl_segment_report_module.c (read_portion): Check requested 52 filesz isn't larger than buffer_available. 53 (dwfl_segment_report_module): Check data_size vs filesz after 54 read_portion call. 55 562018-10-02 Andreas Schwab <schwab@suse.de> 57 58 * relocate.c (relocate): Handle ADD/SUB relocations. 59 602018-09-13 Mark Wielaard <mark@klomp.org> 61 62 * dwfl_segment_report_module.c (dwfl_segment_report_module): 63 Document why we use e_shnum directly. 64 * elf-from-memory.c (elf_from_remote_memory): Likewise. 65 662018-07-17 Ulf Hermann <ulf.hermann@qt.io> 67 68 * linux-pid-attach.c: Include sys/uio.h only on linux. 69 702018-06-04 Mark Wielaard <mark@klomp.org> 71 72 * libdwflP.h (__libdwfl_addrsym): Remove function declaration. 73 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function. 74 752018-05-27 Mark Wielaard <mark@klomp.org> 76 77 * relocate.c (__libdwfl_relocate): Always call relocate_section with 78 partial true. 79 802018-05-17 Mark Wielaard <mark@klomp.org> 81 82 * dwfl_module (__libdwfl_module_free): Free elfdir. 83 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after 84 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the 85 main module file and we recorded the elfdir. 86 * libdwflP.h (struct Dwfl_Module): Add elfdir field. 87 * offline.c (process_elf): Record the elfdir before we close the 88 main ELF file descriptor. 89 902018-04-10 Mark Wielaard <mark@klomp.org> 91 92 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for 93 the return address either set an error or mark the pc undefined. 94 952018-03-17 Mark Wielaard <mark@klomp.org> 96 97 * libdwflP.h (struct __libdwfl_remote_mem_cache): New. 98 (struct __libdwfl_pid_arg): Add mem_cache field. 99 * linux-pid-attach.c (read_cached_memory): New function. 100 (clear_cached_memory): Likewise. 101 (pid_memory_read): Call read_cached_memory. 102 (pid_detach): Free mem_cache. 103 (pid_thread_detach): Call clear_cached_memory. 104 (dwfl_linux_proc_attach): Initialize mem_cache to NULL. 105 1062018-03-05 Mark Wielaard <mark@klomp.org> 107 108 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use 109 realpath (name, NULL) instead of canonicalize_file_name (name). 110 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise. 111 1122018-01-29 Mark Wielaard <mark@klomp.org> 113 114 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of 115 DIE_OFFSET_FROM_CU_OFFSET. 116 (intern_cu): Simply use a copy of the given die CU as key instead of 117 trying to construct a dummy one by hand. 118 1192018-02-15 Mark Wielaard <mark@klomp.org> 120 121 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h. 122 1232018-02-09 Joshua Watt <JPEWhacker@gmail.com> 124 125 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH 126 macro instead of comment. 127 * frame_unwind.c (expr_eval): Likewise. 128 1292017-11-20 Mark Wielaard <mark@klomp.org> 130 131 * link_map.c (do_check64): Take a char * and calculate type and val 132 offsets before reading, possibly unaligned, values. 133 (do_check32): Likewise. 134 (check64): Remove define. 135 (check32): Likewise. 136 (auxv_format_probe): Call do_check32 and do_check64 directly with 137 a, possibly unaligned, auxv entry pointer. 138 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a 139 possibly unaligned auxv entry pointer. 140 1412017-10-16 Mark Wielaard <mark@klomp.org> 142 143 * argp-std.c (parse_opt): For -k call argp_failure not failure to 144 keep dwfl around. 145 1462017-07-26 Yunlian Jiang <yunlian@google.com> 147 148 * argp-std.c (failure): Move to file scope. 149 (fail): Likewise. 150 1512017-04-20 Ulf Hermann <ulf.hermann@qt.io> 152 Mark Wielaard <mark@klomp.org> 153 154 * derelocate.c (compare_secrefs): Compare by end address and then by 155 section number if addresses are equal. 156 1572017-04-20 Ulf Hermann <ulf.hermann@qt.io> 158 Mark Wielaard <mark@klomp.org> 159 160 * linux-kernel-modules.c: Always return NULL from kernel_release() on 161 non-linux systems and set errno to ENOTSUP. 162 1632017-04-20 Ulf Hermann <ulf.hermann@qt.io> 164 165 * libdwflP.h: Don't include config.h. 166 * argp-std.c: Include config.h. 167 * cu.c: Likewise. 168 * derelocate.c: Likewise. 169 * dwfl_addrdie.c: Likewise. 170 * dwfl_addrdwarf.c: Likewise. 171 * dwfl_addrmodule.c: Likewise. 172 * dwfl_begin.c: Likewise. 173 * dwfl_build_id_find_debuginfo.c: Likewise. 174 * dwfl_build_id_find_elf.c: Likewise. 175 * dwfl_cumodule.c: Likewise. 176 * dwfl_dwarf_line.c: Likewise. 177 * dwfl_end.c: Likewise. 178 * dwfl_frame.c: Likewise. 179 * dwfl_frame_regs.c: Likewise. 180 * dwfl_getdwarf.c: Likewise. 181 * dwfl_getmodules.c: Likewise. 182 * dwfl_getsrc.c: Likewise. 183 * dwfl_getsrclines.c: Likewise. 184 * dwfl_line_comp_dir.c: Likewise. 185 * dwfl_linecu.c: Likewise. 186 * dwfl_lineinfo.c: Likewise. 187 * dwfl_linemodule.c: Likewise. 188 * dwfl_module.c: Likewise. 189 * dwfl_module_addrdie.c: Likewise. 190 * dwfl_module_addrname.c: Likewise. 191 * dwfl_module_addrsym.c: Likewise. 192 * dwfl_module_build_id.c: Likewise. 193 * dwfl_module_dwarf_cfi.c: Likewise. 194 * dwfl_module_eh_cfi.c: Likewise. 195 * dwfl_module_getdarf.c: Likewise. 196 * dwfl_module_getelf.c: Likewise. 197 * dwfl_module_getsrc.c: Likewise. 198 * dwfl_module_getsrc_file.c: Likewise. 199 * dwfl_module_getsym.c: Likewise. 200 * dwfl_module_info.c: Likewise. 201 * dwfl_module_nextcu.c: Likewise. 202 * dwfl_module_register_names.c: Likewise. 203 * dwfl_module_report_build_id.c: Likewise. 204 * dwfl_module_return_value_location.c: Likewise. 205 * dwfl_nextcu.c: Likewise. 206 * dwfl_onesrcline.c: Likewise. 207 * dwfl_report_elf.c: Likewise. 208 * dwfl_validate_address.c: Likewise. 209 * dwfl_version.c: Likewise. 210 * find-debuginfo.c: Likewise. 211 * gzip.c: Likewise. 212 * image-header.c: Likewise. 213 * lines.c: Likewise. 214 * linux-core-attach.c: Likewise. 215 * linux-pid-attach.c: Likewise. 216 * offline.c: Likewise. 217 * open.c: Likewise. 218 * relocate.c: Likewise. 219 * segment.c: Likewise. 220 2212017-04-20 Ulf Hermann <ulf.hermann@qt.io> 222 223 * libdwfl.h: Use __const_attribute__. 224 2252017-04-20 Ulf Hermann <ulf.hermann@qt.io> 226 227 * elf-from-memory.c: Explicitly cast phnum to size_t. 228 2292017-04-20 Ulf Hermann <ulf.hermann@qt.io> 230 231 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from 232 it. 233 2342017-04-20 Ulf Hermann <ulf.hermann@qt.io> 235 236 * dwfl_frame.c: Drop unused sys/ptrace.h include. 237 * frame_unwind.c: Likewise. 238 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on 239 linux. 240 2412017-04-20 Ulf Hermann <ulf.hermann@qt.io> 242 243 * linux-kernel-modules.c: Include sys/types.h before fts.h 244 2452017-03-24 Mark Wielaard <mark@klomp.org> 246 247 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then 248 the note name data is the empty string. 249 (dwfl_core_file_attach): Likewise. 250 2512017-02-15 Ulf Hermann <ulf.hermann@qt.io> 252 253 * linux-kernel-modules.c: Include system.h. 254 2552017-02-15 Ulf Hermann <ulf.hermann@qt.io> 256 257 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size. 258 * linux-proc-maps.c: Likewise. 259 2602016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com> 261 262 * dwfl_build_id_find_elf.c: Include system.h. 263 * dwfl_module_getdwarf.c: Likewise. 264 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H. 265 2662016-11-23 Mark Wielaard <mjw@redhat.com> 267 268 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is 269 defined. 270 2712016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp> 272 273 * core-file.c: Remove sys/param.h. 274 * dwfl_segment_report_module.c: Likewise. Add system.h include. 275 (MAX): Remove definition. 276 * frame_unwind.c: Add system.h include. 277 (MAX): Remove definition. 278 * linux-core-attach.c (MIN): Remove definition. 279 * linux-pid-attach.c (MAX): Likewise. 280 2812016-08-12 Mark Wielaard <mjw@redhat.com> 282 283 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size. 284 2852016-04-14 Mark Wielaard <mjw@redhat.com> 286 287 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match 288 on invalid DWARF if we allocated it. 289 2902016-04-14 Mark Wielaard <mjw@redhat.com> 291 292 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file 293 mapping. 294 2952016-03-01 Steven Chamberlain <steven@pyro.eu.org> 296 297 * linux-pid-attach.c: Removed unused pid_thread_callbacks, 298 pid_thread_detach, pid_detach, pid_set_initial_registers, 299 pid_memory_read, pid_getthread, pid_next_thread in #ifndef 300 __linux__ code. 301 3022016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com> 303 Mark Wielaard <mjw@redhat.com> 304 305 * find-debuginfo.c (find_debuginfo_in_path): Remember whether 306 debuglink_file is NULL. Try file basename (without .debug) ofr 307 absolute and relative path if debug_file was NULL. 308 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call 309 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with 310 basename of fname. 311 3122016-02-13 Mark Wielaard <mjw@redhat.com> 313 314 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC. 315 3162016-02-13 Mark Wielaard <mjw@redhat.com> 317 318 * frame_unwind.c (new_unwound): Check and return unwound. 319 (handle_cfi): Check new_unwound was able to allocate new memory 320 before use. Return DWFL_E_NOMEM otherwise. 321 3222016-02-11 Mark Wielaard <mjw@redhat.com> 323 324 * relocate.c (relocate_section): Check result of all gelf_get* calls. 325 (__libdwfl_relocate): Likewise. 326 (__libdwfl_relocate_section): Likewise. 327 3282016-02-11 Mark Wielaard <mjw@redhat.com> 329 330 * relocate.c (relocate_section): Check result of gelf_update_* calls. 331 3322016-01-08 Mark Wielaard <mjw@redhat.com> 333 334 * libdwfl_a_SOURCES: Unconditionally add gzip.c. 335 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least 336 .gz support. 337 (try_kernel_name): Likewise. 338 (check_suffix): Likewise. 339 * open.c (decompress): Likewise. 340 3412015-12-18 Mark Wielaard <mjw@redhat.com> 342 343 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym 344 sections and aux_str, aux_xndx and aux_sym sections if necessary. 345 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx 346 if necessary. 347 (resolve_symbol): Uncompress strtab section if necessary. 348 (relocate_section): Uncompress the section the relocations apply to 349 if necessary. 350 3512015-11-18 Chih-Hung Hsieh <chh@google.com> 352 353 * linux-proc-maps.c (proc_maps_report): Move nested function 354 'report' to file scope. 355 3562015-11-18 Chih-Hung Hsieh <chh@google.com> 357 358 * core-file.c (elf_begin_rand): Move nested function 'fail' to file 359 scope. 360 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions 361 'update_end' and 'more' to file scope. 362 3632015-11-17 Chih-Hung Hsieh <chh@google.com> 364 365 * link_map.c (auxv_format_probe): Move nested functions 366 check64 and check32 to file scope. 367 3682015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com> 369 370 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to 371 the value of the return address register as defined by the CFI 372 abi. 373 * frame_unwind.c (handle_cfi): Likewise. 374 3752015-12-01 Mark Wielaard <mjw@redhat.com> 376 377 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes 378 from exec or memory_callback, free as appropriate. 379 3802015-12-01 Mark Wielaard <mjw@redhat.com> 381 382 * libdwflP.h (struct Dwfl_User_Core): New. 383 (struct DWfl): Replace executable_for_core with user_core. 384 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core. 385 * core-file.c (dwfl_core_file_report): Check and store 386 executable_for_core in Dwfl user_core. 387 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use 388 executable_for_core in Dwfl user_core. 389 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core. 390 * link-map.c (report_r_debug): Check executable_for_core in Dwfl 391 user_core. 392 (dwfl_link_map_report): Likewise. 393 3942015-11-16 Chih-Hung Hsieh <chh@google.com> 395 396 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested 397 function 'consider_shdr' to file scope. 398 * dwfl_module_getdwarf.c (find_dynsym): Move nested function 399 'translate_offs' to file scope. 400 4012015-11-16 Chih-Hung Hsieh <chh@google.com> 402 403 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions 404 'same_section', 'binding_value', 'try_sym_value', and 'search_table' 405 to file scope. 406 4072015-11-19 Mark Wielaard <mjw@redhat.com> 408 409 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from 410 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and 411 dwarf_cfi_end. 412 4132015-11-13 Chih-Hung Hsieh <chh@google.com> 414 415 * gzip.c (unzip): Move nested functions to file scope. 416 4172015-10-21 Chih-Hung Hsieh <chh@google.com> 418 Mark Wielaard <mjw@redhat.com> 419 420 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested 421 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to 422 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't 423 use INTUSE. 424 4252015-10-21 Chih-Hung Hsieh <chh@google.com> 426 427 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop' 428 to file scope. Pass used local variables in struct eval_stack. 429 4302015-10-21 Chih-Hung Hsieh <chh@google.com> 431 432 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to 433 file scope. 434 4352015-10-09 Josh Stone <jistone@redhat.com> 436 437 * core-file.c (elf_begin_rand): Replace loff_t with off_t. 438 * open.c (decompress): Replace off64_t with off_t. 439 * gzip.c (unzip): Likewise. 440 * image-header.c (__libdw_image_header): Likewise. 441 * libdwflP.h: Likewise in function declarations. 442 * argp-std.c (parse_opt): Replace open64 with open. 443 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id, 444 dwfl_build_id_find_elf): Likewise. 445 * dwfl_module_getdwarf.c (open_elf_file): Likewise. 446 * dwfl_report_elf.c (dwfl_report_elf): Likewise. 447 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 448 * link_map.c (report_r_debug): Likewise. 449 * offline.c (dwfl_report_offline): Likewise. 450 * linux-proc-maps.c (grovel_auxv, get_pid_class, 451 dwfl_linux_proc_find_elf): Likewise. 452 (read_proc_memory): Replace off64_t with off_t. 453 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and 454 fstat64 with stat and fstat. 455 (try_open): Likewise, and replace open64 with open. 456 * linux-kernel-modules.c: Manually define open and fopen to open64 and 457 fopen64 when needed, since the early fts.h include breaks that. 458 (try_kernel_name): Replace open64 with open. 459 (check_notes): Likewise. 460 4612015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com> 462 463 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of 464 pread, as the later doesn't accept negative offsets. 465 4662015-10-07 Mark Wielaard <mjw@redhat.com> 467 468 * dwfl_module_getdwarf.c (MAX): Removed. 469 (find_prelink_address_sync): Allocate exact amount of bytes for 470 phdrs and shdrs. 471 * dwfl_segment_report_module.c (dwfl_segment_report_module): 472 Likewise for phdrs. 473 * elf-from-memory.c (MAX): Removed. 474 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs. 475 4762015-10-05 Chih-Hung Hsieh <chh@google.com> 477 478 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use 479 union of variable length arrays. 480 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 481 * elf-from-memory.c (elf_from_remote_memory): Likewise. 482 * link_map.c (auxv_format_probe): Likewise. 483 * link_map.c (report_r_debug): Likewise. 484 * link_map.c (dwfl_link_map_report): Likewise. 485 4862015-09-18 Chih-Hung Hsieh <chh@google.com> 487 488 * relocate.c (relocate_section): Move nested function "relocate" 489 to file scope, pass all used local variables as constants. 490 Move nested "check_badreltype" to file scope, pass addresses of 491 updated used local variables. 492 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function 493 "read_address" to file scope, pass all updated local variables in 494 a state structure. 495 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested 496 function "subst_name" to file scope, pass all used local variables 497 as constants. 498 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace 499 simple nested function "report" with a macro. Work around gcc static 500 analysis error -Werror=maybe-uninitialized. 501 5022015-09-22 Mark Wielaard <mjw@redhat.com> 503 504 * core-file.c: Remove old-style function definitions. 505 * dwfl_error.c: Likewise. 506 * dwfl_module_dwarf_cfi.c: Likewise. 507 * dwfl_module_eh_cfi.c: Likewise. 508 * dwfl_module_register_names.c: Likewise. 509 * dwfl_module_return_value_location.c: Likewise. 510 * dwfl_version.c: Likewise. 511 5122015-09-09 Chih-Hung Hsieh <chh@google.com> 513 Mark Wielaard <mjw@redhat.com> 514 515 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests 516 on parameters declared with __nonnull_attribute__. 517 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as 518 nonnull. 519 5202015-09-08 Mark Wielaard <mjw@redhat.com> 521 522 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd. 523 * linux-pid-attach.c (pid_detach): Call elf_end and close. 524 (dwfl_linux_proc_attach): Open and save /proc/PID/exe. 525 5262015-09-04 Chih-Hung Hsieh <chh@google.com 527 528 * frame_unwind.c (expr_eval): Use llabs instead of abs. 529 5302015-08-14 Dodji Seketeli <dodji@seketeli.org> 531 532 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the 533 debug info file named debuglink_file under 534 mod->dwfl->callbacks->debuginfo_path, by looking at 535 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path 536 which is common to the set of non-absolute parent trees of 537 file_name. 538 5392015-06-18 Mark Wielaard <mjw@redhat.com> 540 541 * find-debuginfo.c (try_open): Free fname on all failure paths. 542 5432015-06-18 Mark Wielaard <mjw@redhat.com> 544 545 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and 546 sh_entsize is not zero. 547 5482015-06-06 Mark Wielaard <mjw@redhat.com> 549 550 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath, 551 localname and file_dirname. 552 5532015-06-06 Mark Wielaard <mjw@redhat.com> 554 555 * derelocate.c (cache_sections): Free sortrefs. 556 5572015-06-05 Mark Wielaard <mjw@redhat.com> 558 559 * dwfl_segment_report_module.c (dwfl_segment_report_module): 560 If the note_file exists, but the build_id doesn't match discard 561 the file and continue reporting. 562 5632015-06-01 Mark Wielaard <mjw@redhat.com> 564 565 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path 566 pointer before passing to strsep. 567 5682015-05-30 Mark Wielaard <mjw@redhat.com> 569 570 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read 571 type and value. 572 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read 573 adresses. 574 5752015-05-30 Mark Wielaard <mjw@redhat.com> 576 577 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is 578 not NULL before calling canonicalize_file_name. 579 5802015-05-24 Mark Wielaard <mjw@redhat.com> 581 582 * derelocate.c (check_module): Check mod is not NULL. 583 5842015-05-22 Mark Wielaard <mjw@redhat.com> 585 586 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with 587 malloc instead of stack allocating. Call free when done with data. 588 5892015-05-22 Mark Wielaard <mjw@redhat.com> 590 591 * dwfl_segment_report_module.c (dwfl_segment_report_module): 592 Allocate phdrs with malloc, not on stack. free in finish. 593 Allocate dyn with malloc, not on stack, free after use. 594 5952015-05-22 Mark Wielaard <mjw@redhat.com> 596 597 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup, 598 instead of alloca or strdupa, local strings of unknown size. 599 Call free before return. 600 6012015-05-22 Mark Wielaard <mjw@redhat.com> 602 603 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return 604 error when id_len too small or too large. strdup, not strdupa, 605 and free path when done. 606 6072015-05-19 Mark Wielaard <mjw@redhat.com> 608 609 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all 610 phdrs on the stack. Allocate with malloc and free when done. 611 6122015-05-19 Mark Wielaard <mjw@redhat.com> 613 614 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and 615 free alternate_name. 616 6172015-05-19 Mark Wielaard <mjw@redhat.com> 618 619 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't 620 stack allocate name. Only change chars up to suffix. 621 6222015-05-18 Mark Wielaard <mjw@redhat.com> 623 624 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate 625 phdrs and shdrs unions with malloc, not alloca. Free after use. 626 6272015-05-18 Mark Wielaard <mjw@redhat.com> 628 629 * derelocate.c (cache_sections): Allocate temporary newrefs and 630 sortrefs with malloc, not alloca. Always free them on return. 631 6322015-05-07 Mark Wielaard <mjw@redhat.com> 633 634 * cu.c (intern_cu): Check for EOF and check cuoff points to a real 635 Dwarf_Die before interning. Explicitly check EOF is expected. 636 6372015-05-05 Mark Wielaard <mjw@redhat.com> 638 639 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid. 640 6412015-05-06 Roland McGrath <roland@hack.frob.com> 642 643 * dwfl_error.c (struct msgtable): Break type definition out of 644 the 'msgtable' initializer. 645 (msgtable): Make it a union of struct msgtable and a char array. 646 (msgstr): Use the full-table char array rather than the msg_0 entry. 647 6482015-04-23 Max Filippov <jcmvbkbc@gmail.com> 649 650 * core-file.c (_compat_without_executable_dwfl_core_file_report): 651 Guard with SYMBOL_VERSIONING. 652 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id): 653 Likewise. 654 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf): 655 Likewise. 656 6572015-04-02 Mark Wielaard <mjw@redhat.com> 658 659 * segment.c (insert): Check correct number of lookup_elts. 660 6612015-03-31 Mark Wielaard <mjw@redhat.com> 662 663 * core-file.c (core_file_read_eagerly): Special case small images. 664 6652015-01-26 Mark Wielaard <mjw@redhat.com> 666 667 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata, 668 syments and first_global on elferr before calling find_dynsym. 669 6702014-12-27 Mark Wielaard <mjw@redhat.com> 671 672 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that 673 has end_sequence set. 674 6752015-01-04 Mark Wielaard <mjw@redhat.com> 676 677 * cu.c (intern_cu): Store result and return directly when finding 678 EOF marker. 679 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1. 680 6812014-12-19 Mark Wielaard <mjw@redhat.com> 682 683 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last. 684 6852014-12-19 Mark Wielaard <mjw@redhat.com> 686 687 * elf-from-memory.c (handle_segment): Remove palign sanity check. 688 6892014-12-18 Mark Wielaard <mjw@redhat.com> 690 691 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL. 692 6932014-12-13 Mark Wielaard <mjw@redhat.com> 694 695 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes 696 a size_t, make sure it doesn't overflow. 697 6982014-12-13 Mark Wielaard <mjw@redhat.com> 699 700 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't 701 wrap around before returning as int. 702 7032014-12-11 Josh Stone <jistone@redhat.com> 704 705 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line 706 record <= addr, rather than returning immediately on matches. 707 7082014-12-09 Mark Wielaard <mjw@redhat.com> 709 710 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't 711 overflow. 712 7132014-12-07 Mark Wielaard <mjw@redhat.com> 714 715 * relocate.c (relocate_section): Sanity check section overlap against 716 actually used ehsize, shentsize and phentsize. 717 7182014-12-07 Mark Wielaard <mjw@redhat.com> 719 720 * offline.c (dwfl_offline_section_address): Assert shndx is not zero. 721 * relocate.c (__libdwfl_relocate_value): Don't relocate against 722 section zero. 723 7242014-11-29 Mark Wielaard <mjw@redhat.com> 725 726 * relocate.c (relocate_section): Check relocation section and target 727 section data don't overlap any of the ELF headers. 728 (relocate): Check for offset + size overflow. 729 7302014-11-22 Mark Wielaard <mjw@redhat.com> 731 732 * link_map.c (consider_executable): Use elf_getphdrnum. 733 (dwfl_link_map_report): Likewise. 734 7352014-11-18 Mark Wielaard <mjw@redhat.com> 736 737 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer, 738 number of symbols and first_global before use. 739 7402014-11-14 Mark Wielaard <mjw@redhat.com> 741 742 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have 743 a zero sh_entsize. 744 7452014-11-10 Mark Wielaard <mjw@redhat.com> 746 747 * dwfl_module_getdwarf.c (find_dynsym): New inner function 748 translate_offs that takes an adjust argument. Try finding 749 the symbol table with and without adjusting to main_bias. 750 7512014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com> 752 753 Support NT_FILE for locating files. 754 * core-file.c (dwfl_core_file_report): New variables note_file and 755 note_file_size, set them and pass them to dwfl_segment_report_module. 756 * dwfl_segment_report_module.c: Include common.h and fcntl.h. 757 (buf_has_data, buf_read_ulong, handle_file_note): New functions. 758 (invalid_elf): New function from code of dwfl_segment_report_module. 759 (dwfl_segment_report_module): Add parameters note_file and 760 note_file_size. New variables elf and fd, clean them up in finish. 761 Move some code to invalid_elf. Call handle_file_note, if it found 762 a name verify the file by invalid_elf. Protect elf and fd against 763 cleanup by finish if we found the file for new Dwfl_Module. 764 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and 765 note_file_size. 766 7672014-09-23 Mark Wielaard <mjw@redhat.com> 768 769 * dwfl_segment_report_module.c (dwfl_segment_report_module): 770 Extract ei_class, ei_data and e_type early and use the result. 771 7722014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com> 773 774 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE. 775 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set 776 IS_EXECUTABLE. 777 * libdwflP.h (struct Dwfl_Module): New field is_executable. 778 7792014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com> 780 781 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use 782 it. 783 (find_dynsym): Pass the new parameter main_bias. 784 7852014-08-14 Mark Wielaard <mjw@redhat.com> 786 787 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz. 788 7892014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com> 790 791 Fix report_r_debug for prelinked libraries. 792 * link_map.c (report_r_debug): Comment out variable l_addr. 793 Use instead new variable base recalculated from l_ld. 794 7952014-06-24 Kurt Roeckx <kurt@roeckx.be> 796 797 * linux-pid-attach.c: Make it build on non linux hosts. 798 7992014-06-17 Mark Wielaard <mjw@redhat.com> 800 801 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask. 802 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise. 803 8042014-06-15 Mark Wielaard <mjw@redhat.com> 805 806 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h 807 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt 808 to read possibly unaligned data. 809 (core_next_thread): Likewise. 810 (core_set_initial_registers): Likewise. 811 (dwfl_core_file_attach): Likewise. 812 8132014-06-11 Mark Wielaard <mjw@redhat.com> 814 815 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr. 816 (dwfl_attach_state): Set dwfl->attacherr. 817 (dwfl_pid): Check and return dwfl->attacherr if set. 818 (dwfl_getthreads): Likewise. 819 (getthread): Likewise. 820 * libdwflP.h: Add DWFL_E_NO_CORE_FILE. 821 (struct Dwfl): Add attacherr field. 822 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr. 823 Don't assert if ELF file is not ET_CORE, just return error. 824 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr. 825 8262014-06-10 Mark Wielaard <mjw@redhat.com> 827 828 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach 829 or dwfl_linux_proc_attach. 830 8312014-05-15 Mark Wielaard <mjw@redhat.com> 832 833 * linux-proc-maps.c (grovel_auxv): Close fd on error. 834 8352014-05-02 Mark Wielaard <mjw@redhat.com> 836 837 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink 838 is always called. 839 8402014-05-01 Mark Wielaard <mjw@redhat.com> 841 842 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields. 843 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id. 844 (__libdwfl_open_by_build_id): New declaration that takes an explicit 845 build-id. 846 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If 847 we already have the Dwarf then look for the alt dwz multi file by 848 build-id. 849 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the 850 build-id we are looking for as argument. 851 (__libdwfl_open_mod_by_build_id): New function, calls 852 __libdwfl_open_by_build_id. 853 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id. 854 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and 855 close alt_fd if necessary. 856 * dwfl_module_getdwarf.c (__check_build_id): Removed. 857 (try_debugaltlink): Removed. 858 (open_debugaltlink): Removed. 859 (open_elf_file): First half of open_elf that just opens the elf 860 file but doesn't setup the load address. 861 (open_elf): Call open_elf_file. 862 (find_debug_altlink): New function. 863 (load_dw): Remove loading of dwz multifile. 864 (find_dw): Call find_debug_altlink. 865 * find-debuginfo.c (validate): Handle alt debug case using 866 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf. 867 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz 868 subdirs. 869 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name 870 to store name to find by dwfl_standard_find_debuginfo instead of 871 allocating an extra variable on stack. 872 8732014-04-30 Mark Wielaard <mjw@redhat.com> 874 875 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to 876 dwelf_elf_gnu_build_id.c. 877 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL. 878 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call 879 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id. 880 * dwfl_module_getdwarf.c (__check_build_id): Implement using 881 dwelf_elf_gnu_build_id. 882 8832014-04-15 Florian Weimer <fweimer@redhat.com> 884 885 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw. 886 (try_debugaltlink): Likewise. 887 (open_debugaltlink): Likewise. 888 (load_dw): Locate alternate debug information using 889 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink. 890 8912014-04-11 Mark Wielaard <mjw@redhat.com> 892 893 * Makefile.am (AM_CPPFLAGS): Add libdwelf. 894 * libdwflP.h: Include libdwelfP.h. 895 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf. 896 (find_debuginfo): Use dwelf_elf_gnu_debuglink. 897 8982014-04-22 Mark Wielaard <mjw@redhat.com> 899 900 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when 901 checking bits. 902 (__libdwfl_frame_reg_set): Likewise. 903 9042014-04-22 Kurt Roeckx <kurt@roeckx.be> 905 906 * linux-pid-attach.c: Make linux only. 907 9082014-03-14 Mark Wielaard <mjw@redhat.com> 909 910 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions. 911 Remove libelf and libdw definitions when MUDFLAP is defined. 912 * argp-std.c (__libdwfl_argp_mudflap_options): Removed. 913 9142014-03-03 Mark Wielaard <mjw@redhat.com> 915 916 * elf-from-memory.c (elf_from_remote_memory): Keep track of 917 segments_end_mem. Pass memsz to first handle_segment pass. Only 918 extend contents_size and use shdrs if only file bits are in 919 segment. 920 9212014-03-11 Josh Stone <jistone@redhat.com> 922 923 * dwfl_module_getdwarf.c (open_elf): Only explicitly set 924 mod->e_type when processing the main ELF file. 925 9262014-03-04 Mark Wielaard <mjw@redhat.com> 927 928 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from 929 linux-pid-attach.c (struct pid_arg). 930 (__libdwfl_get_pid_arg): New internal function declaration. 931 (__libdwfl_ptrace_attach): Likewise. 932 (__libdwfl_ptrace_detach): Likewise. 933 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the 934 special exception modules that cannot be checked at this point. 935 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h 936 (ptrace_attach): Renamed to... 937 (__libdwfl_ptrace_attach): New internal function. 938 (__libdwfl_ptrace_detach): Likewise. Extracted from ... 939 (pid_thread_detach): Call __libdwfl_ptrace_detach now. 940 (__libdwfl_get_pid_arg): New internal function. 941 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special 942 module name contains "(deleted)" and dwfl_pid gives an attached 943 pid. If pid is set and try to (re)use ptrace attach state of 944 process before reading memory. 945 9462014-03-03 Mark Wielaard <mjw@redhat.com> 947 948 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as 949 argument. Free buffer when detecting bad elf. Check PT_LOAD 950 alignment requirements on first handle_segment pass. Calculate 951 loadbase, start and end of segment using pagesize, not p_align. 952 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize 953 to elf_from_remote_memory. 954 9552014-02-26 Mark Wielaard <mjw@redhat.com> 956 957 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input. 958 9592014-02-26 Mark Wielaard <mjw@redhat.com> 960 961 * elf-from-memory.c (elf_from_remote_memory): Check against p64 962 p_type in case ELFCLASS64, not against p32 p_type. 963 9642014-01-17 Petr Machata <pmachata@redhat.com> 965 966 * relocate.c (relocate_section): Use gelf_fsize instead of relying 967 on shdr->sh_entsize. 968 9692014-01-05 Mark Wielaard <mjw@redhat.com> 970 971 * frame_unwind.c (handle_cfi): Only skip resetting return register 972 if the regno is not the actual CIE return address register. 973 9742014-01-02 Mark Wielaard <mjw@redhat.com> 975 976 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi. 977 9782013-12-30 Mark Wielaard <mjw@redhat.com> 979 980 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and 981 dwfl_core_file_attach explicitly. 982 * core-file.c (dwfl_core_file_report): Don't call 983 __libdwfl_attach_state_for_core implicitly. 984 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error. 985 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not 986 process_attach_error. 987 (dwfl_getthreads): Likewise. 988 (getthread): Likewise. 989 * libdwfl.h (dwfl_core_file_report): Update documentation. 990 (dwfl_linux_proc_report): Likewise. 991 (dwfl_core_file_attach): New function declaration. 992 (dwfl_linux_proc_attach): Likewise. 993 * libdwflP.h (struct Dwfl): Remove process_attach_error. 994 (__libdwfl_attach_state_for_pid): Removed declaration. 995 (__libdwfl_attach_state_for_core): Likewise. 996 (dwfl_core_file_attach): New internal declaration. 997 (dwfl_linux_proc_attach): Likewise. 998 (attach_state_for_core): Renamed to... 999 (dwfl_core_file_attach): ...this. Change return type. 1000 (__libdwfl_attach_state_for_core): Removed. 1001 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped. 1002 (pid_set_initial_registers): Check assume_ptrace_stopped before 1003 calling ptrace. 1004 (pid_thread_detach): Likewise. 1005 (__libdwfl_attach_state_for_pid): Renamed to... 1006 (dwfl_linux_proc_attach): ...this. Adjust return type. 1007 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call 1008 __libdwfl_attach_state_for_pid implicitly. 1009 10102013-12-28 Mark Wielaard <mjw@redhat.com> 1011 1012 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special 1013 character device files, only regular files. 1014 10152013-12-24 Mark Wielaard <mjw@redhat.com> 1016 1017 * linux-core-attach.c (core_next_thread): Check whether thread_argp 1018 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg 1019 in that case. Free thread_arg if there are no more threads. 1020 10212013-12-23 Mark Wielaard <mjw@redhat.com> 1022 1023 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free 1024 build_id before returning early. 1025 10262013-12-23 Mark Wielaard <mjw@redhat.com> 1027 1028 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual 1029 pid (thread group leader) to dwfl_attach_state. 1030 10312013-12-21 Mark Wielaard <mjw@redhat.com> 1032 1033 * frame_unwind.c (handle_cfi): Track whether the return register 1034 has been set and only allow it to be set once. 1035 10362013-12-20 Mark Wielaard <mjw@redhat.com> 1037 1038 * dwfl_frame.c (one_arg): New struct. 1039 (get_one_thread_cb): New function. 1040 (dwfl_getthread): Likewise. 1041 (one_thread): New struct. 1042 (get_one_thread_frames_cb): New function. 1043 (dwfl_getthread_frames): Likewise. 1044 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function. 1045 (dwfl_getthread_frames): Likewise. 1046 * libdwflP.h (dwfl_getthread_frames): New internal function declaration. 1047 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread 1048 to NULL. 1049 * linux-pid-attach.c (pid_getthread): New function. 1050 (pid_thread_callbacks): Initialize get_thread to pid_getthread. 1051 10522013-12-20 Mark Wielaard <mjw@redhat.com> 1053 1054 * linux-kernel-modules.c (report_kernel_archive): Correct nested 1055 asprintf result check for debug.a. 1056 10572013-12-18 Mark Wielaard <mjw@redhat.com> 1058 1059 * derelocate.c (__libdwfl_find_section_ndx): New internal function. 1060 * dwfl_module_addrname.c (dwfl_module_addrname): Use 1061 dwfl_module_addrinfo. 1062 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with... 1063 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value 1064 for comparisons, not st_value. Fill in off. Search for both value 1065 and the (adjusted) sym.st_value when different. 1066 (dwfl_module_addrsym): Implement using __libdwfl_addrsym. 1067 (dwfl_module_addrinfo): New function. 1068 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with... 1069 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested 1070 and possible. Adjust sym->st_value only when requested. Fill in addr 1071 if available. 1072 (dwfl_module_getsym_info): New function. 1073 (dwfl_module_getsym): Use __libdwfl_getsym. 1074 * libdwfl.h (dwfl_module_getsym_elf): Removed. 1075 (dwfl_module_getsym_info): New function declaration. 1076 (dwfl_module_addrinfo): Likewise. 1077 (dwfl_module_addrsym): Add documentation describing differences 1078 with addrinfo variants. 1079 (dwfl_module_addrsym_elf): Removed. 1080 * libdwflP.h (__libdwfl_getsym): New internal function declaration. 1081 (__libdwfl_addrsym): Likewise. 1082 (__libdwfl_find_section_ndx): Likewise. 1083 (dwfl_module_addrinfo): New internal declaration. 1084 (dwfl_module_getsym_info): Likewise. 1085 (dwfl_module_addrsym_elf): Removed. 1086 (dwfl_module_getsym_elf): Likewise. 1087 10882013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1089 1090 * argp-std.c (offline_find_elf): Remove. 1091 (offline_callbacks): Use dwfl_build_id_find_elf instead. 1092 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code 1093 removed above. 1094 10952013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com> 1096 1097 unwinder: s390 and s390x 1098 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc. 1099 * frame_unwind.c (new_unwound): New function from ... 1100 (handle_cfi): ... here. Call it. 1101 (setfunc, getfunc, readfunc): New functions. 1102 (__libdwfl_frame_unwind): Call ebl_unwind with those functions. 1103 * linux-core-attach.c (core_set_initial_registers): Always iterate 1104 through the Ebl_Register_Location loop. Call 1105 dwfl_thread_state_register_pc there. 1106 11072013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1108 1109 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA. 1110 11112013-12-17 Mark Wielaard <mjw@redhat.com> 1112 1113 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first 1114 traversal. 1115 11162013-12-16 Mark Wielaard <mjw@redhat.com> 1117 1118 * libdwfl.h (dwfl_module_getsymtab_first_global): New function 1119 definition. 1120 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New 1121 function. 1122 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal 1123 function definition. 1124 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function. 1125 11262013-12-14 Mark Wielaard <mjw@redhat.com> 1127 1128 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if 1129 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary. 1130 * frame_unwind.c (handle_cfi): Free frame result from 1131 dwarf_cfi_addrframe when done. 1132 11332013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com> 1134 1135 unwinder: ppc and ppc64 1136 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set): 1137 Call ebl_dwarf_to_regno. 1138 * linux-core-attach.c (core_set_initial_registers): Implement 1139 pc_register support. 1140 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement 1141 FIRSTREG -1. 1142 11432013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1144 1145 Introduce process_attach_error. 1146 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error. 1147 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if 1148 PROCESS is NULL. 1149 * libdwflP.h (struct Dwfl): New field process_attach_error. 1150 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ... 1151 (attach_state_for_core): ... here, make it static, change return type, 1152 no longer use __libdwfl_seterrno. 1153 (__libdwfl_attach_state_for_core): New wrapper for it. 1154 11552013-11-27 Mark Wielaard <mjw@redhat.com> 1156 1157 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call... 1158 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments, 1159 keep track of symelf, addr_symelf, closest_elf and sizeless_elf 1160 instead of tracking dwfl_files. 1161 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to... 1162 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add 1163 new elfp and biasp arguments. Track elf instead of file. 1164 (dwfl_module_getsym): Call dwfl_module_getsym_elf. 1165 dwfl_module_info.c (dwfl_module_info): Pass elf to 1166 dwfl_adjusted_st_value. 1167 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx. 1168 (dwfl_module_getsym_elf): New function declaration. 1169 (dwfl_module_addrsym_elf): Likewise. 1170 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL. 1171 (dwfl_module_getsym_elf): Likewise. 1172 (dwfl_adjusted_st_value): Take and check elf not dwfl_file. 1173 (dwfl_deadjust_st_value): Likewise. 1174 (__libdwfl_module_getsym): Removed. 1175 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value. 1176 11772013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1178 1179 Fix non-build-id core files on build-id system. 1180 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot 1181 be read from memory. 1182 11832013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1184 1185 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1186 variable close_elf. Call __libdwfl_find_elf_build_id and compare the 1187 content, if possible. 1188 11892013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com> 1190 1191 link_map: Use proper bias, not l_addr. 1192 * core-file.c (dynamic_vaddr_get): Rename to ... 1193 (__libdwfl_dynamic_vaddr_get): ... here, make it global, 1194 internal_function. 1195 (dwfl_core_file_report): Update name in the caller. 1196 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration. 1197 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call 1198 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment. 1199 Use ELF_DYNAMIC_VADDR instead of L_ADDR. 1200 12012013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com> 1202 1203 Compatibility with older kernels such as RHEL-6. 1204 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped. 1205 (ptrace_attach): New parameter tid_was_stoppedp. Set it. 1206 (pid_set_initial_registers): Pass tid_was_stopped. 1207 (pid_thread_detach): Use tid_was_stopped. 1208 12092013-11-18 Josh Stone <jistone@redhat.com> 1210 1211 * dwfl_module_getdwarf.c (find_aux_address_sync): New function. 1212 (find_aux_sym): Use it. 1213 12142013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> 1215 1216 Code cleanup: Remove const in prototype 1217 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from 1218 firstreg. 1219 * libdwfl.h (dwfl_thread_state_registers): Likewise. 1220 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise. 1221 12222013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com> 1223 1224 Fix dwfl_attach_state machine->elf. 1225 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf. 1226 Call ebl_openbackend instead of ebl_openbackend_machine. 1227 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf. 1228 Update the function description. 1229 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to 1230 dwfl_attach_state. 1231 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to 1232 dwfl_attach_state. 1233 12342013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com> 1235 1236 Provide __libdwfl_module_getsym to get dwfl_file *. 1237 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove. 1238 (dwfl_module_addrsym) (search_table): New variable file. Use 1239 __libdwfl_module_getsym. Use file. 1240 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ... 1241 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it. 1242 (dwfl_module_getsym): New wrapper. 1243 * libdwflP.h (__libdwfl_module_getsym): New declaration. 1244 12452013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com> 1246 1247 Fix dwfl_module_addrsym for minidebuginfo. 1248 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable 1249 addr_symfile. 1250 (dwfl_module_addrsym) (same_section): Use it. 1251 (dwfl_module_addrsym) (i_to_symfile): New function. 1252 (dwfl_module_addrsym) (search_table): Use it. 1253 12542013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1255 Mark Wielaard <mjw@redhat.com> 1256 1257 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c, 1258 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and 1259 dwfl_frame_regs.c. 1260 * core-file.c (dwfl_core_file_report): Call 1261 __libdwfl_attach_state_for_core. 1262 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free. 1263 * dwfl_frame.c: New file. 1264 * frame_unwind.c: New file. 1265 * dwfl_frame_pc.c: New file. 1266 * linux-pid-attach.c: New file. 1267 * linux-core-attach.c: New file. 1268 * dwfl_frame_regs.c: New file. 1269 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs. 1270 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments. 1271 (Dwfl_Thread_Callbacks): New definition. 1272 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl) 1273 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers) 1274 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 1275 (dwfl_frame_pc): New declarations. 1276 * libdwflP.h (Dwfl_Process): New typedef. 1277 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ) 1278 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF) 1279 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND) 1280 (INVALID_ARGUMENT): New DWFL_ERROR entries. 1281 (struct Dwfl): New entry process. 1282 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame) 1283 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set) 1284 (__libdwfl_process_free, __libdwfl_frame_unwind) 1285 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core) 1286 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations. 1287 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid) 1288 (dwfl_frame_thread, dwfl_thread_state_registers) 1289 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes) 1290 (dwfl_frame_pc): New INTDECL entries. 1291 * linux-proc-maps.c (dwfl_linux_proc_report): Call 1292 __libdwfl_attach_state_for_pid. 1293 * segment.c (segment_start): Rename to ... 1294 (__libdwfl_segment_start): ... here and make it internal_function. 1295 (segment_end): Rename to ... 1296 (__libdwfl_segment_end): ... here and make it internal_function. 1297 (reify_segments, dwfl_report_segment): Rename them at the callers. 1298 12992013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1300 1301 * core-file.c (dwfl_core_file_report): Remove the use of MAX. 1302 13032013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1304 1305 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by 1306 retval. Fix one forgotten LISTED increase. 1307 13082013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1309 1310 Fix core files for re-prelink-ed files. 1311 * core-file.c (dynamic_vaddr_get): New function. 1312 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call 1313 dynamic_vaddr_get instead of using L_ADDR. 1314 * libdwflP.h (struct r_debug_info_module): Remove field l_addr. 1315 * link_map.c (report_r_debug): Do not initialize l_addr. 1316 13172013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com> 1318 1319 Code cleanup. 1320 * core-file.c (dwfl_core_file_report): Reindent block of code by 1321 continue keyword. 1322 13232013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1324 1325 * argp-std.c (parse_opt): Use executable parameter of 1326 dwfl_core_file_report. 1327 * core-file.c (dwfl_core_file_report): Add parameter executable. Set 1328 it to DWFL. Add NEW_VERSION for it. 1329 (_compat_without_executable_dwfl_core_file_report): New. Twice. 1330 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update 1331 the function comment. 1332 13332013-10-15 Mark Wielaard <mjw@redhat.com> 1334 1335 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file 1336 mappings. 1337 (dwfl_linux_proc_find_elf): Don't abort, just return failure. 1338 13392013-09-12 Mark Wielaard <mjw@redhat.com> 1340 1341 * cu.c (intern_cu): If dwarf_offdie fails free cu. 1342 13432013-09-12 Mark Wielaard <mjw@redhat.com> 1344 1345 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in 1346 bad_report. 1347 13482013-09-12 Mark Wielaard <mjw@redhat.com> 1349 1350 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with 1351 aux_xndxscn, not xndxscn, for aux_symxndxdata. 1352 13532013-08-25 Mark Wielaard <mjw@redhat.com> 1354 1355 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true 1356 to dwfl_report_elf. 1357 13582013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com> 1359 1360 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for 1361 conflicts all the modules, not just the first one. Compare L_LD if it 1362 is equal, not if it is in a module address range. 1363 13642013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> 1365 1366 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function. 1367 13682013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com> 1369 1370 * core-file.c (clear_r_debug_info): Close also ELF and FD. 1371 (dwfl_core_file_report): Call __libdwfl_report_elf for 1372 R_DEBUG_INFO.MODULE. 1373 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from 1374 code of ... 1375 (__libdwfl_report_elf): ... this function. Call it. 1376 * dwfl_segment_report_module.c: Include unistd.h. 1377 (dwfl_segment_report_module): Use basename for MODULE->NAME. 1378 Clear MODULE if it has no build-id and we have segment with build-id. 1379 Ignore this segment only if MODULE still contains valid ELF. 1380 * libdwflP.h (__libdwfl_elf_address_range): New declaration. 1381 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end 1382 and disk_file_has_build_id. 1383 (dwfl_link_map_report): Extend the comment. 1384 * link_map.c (report_r_debug): Extend the comment. Always fill in new 1385 r_debug_info_module. Initialize also the new r_debug_info_module 1386 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range 1387 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL. 1388 13892013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com> 1390 1391 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function. 1392 13932013-07-02 Mark Wielaard <mjw@redhat.com> 1394 1395 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert. 1396 13972013-06-05 Mark Wielaard <mjw@redhat.com> 1398 1399 * link_map.c (report_r_debug): Always call release_buffer after 1400 memory_callback succeeded reading build_id. 1401 14022013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1403 1404 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set 1405 executable_for_core before calling dwfl_core_file_report. 1406 * core-file.c (clear_r_debug_info): New function. 1407 (dwfl_core_file_report): Move raw segments reporting lower. New 1408 variable r_debug_info, pass it to dwfl_segment_report_module. Call 1409 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED. 1410 * dwfl_module_build_id.c (check_notes): Move into 1411 __libdwfl_find_elf_build_id. 1412 (__libdwfl_find_build_id): Rename to ... 1413 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits, 1414 build_id_elfaddr and build_id_len. Verify MOD vs. ELF. 1415 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and 1416 set, rename data_vaddr to data_elfaddr. Do not call found_build_id. 1417 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not 1418 adjust its data_elfaddr parameter. 1419 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id. 1420 * dwfl_segment_report_module.c (dwfl_segment_report_module): New 1421 parameter r_debug_info. New variable name_is_final. Adjust addresses 1422 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL. 1423 Do not overwrite NAME by SONAME if NAME_IS_FINAL. 1424 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration. 1425 (struct r_debug_info_module, struct r_debug_info): New definitions. 1426 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter 1427 r_debug_info. 1428 * link_map.c: Include fcntl.h. 1429 (report_r_debug): Add parameter r_debug_info, describe it in the 1430 function comment. Delete dwfl_addrmodule call and its dependent code. 1431 Verify build-id before calling dwfl_report_elf, also supply 1432 executable_for_core to it. Store r_debug_info->module info when 1433 appropriate. 1434 (dwfl_link_map_report): Add parameter r_debug_info. New variable 1435 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug 1436 caller parameters. 1437 14382013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1439 1440 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr. 1441 Set it to true for ET_EXEC and ET_CORE. Provide alternative 1442 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE. 1443 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add 1444 NEW_VERSION. 1445 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with 1446 COMPAT_VERSION. 1447 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it. 1448 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr. 1449 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf. 1450 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for 1451 dwfl_report_elf. 1452 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf. 1453 14542013-04-27 Mark Wielaard <mjw@redhat.com> 1455 1456 * link_map.c: #include system.h. 1457 14582013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com> 1459 1460 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move 1461 them to lib/system.h. 1462 14632013-04-24 Mark Wielaard <mjw@redhat.com> 1464 1465 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES. 1466 14672013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com> 1468 1469 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning. 1470 14712013-03-12 Mark Wielaard <mjw@redhat.com> 1472 1473 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success. 1474 14752013-02-22 Mark Wielaard <mjw@redhat.com> 1476 1477 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define 1478 as DWFL_E_BADELF when not used. 1479 14802013-02-10 Mark Wielaard <mjw@redhat.com> 1481 1482 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in 1483 failure messages When handling ARGP_KEY_SUCCESS because arg will 1484 not have been set. 1485 14862013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com> 1487 1488 * linux-proc-maps.c: Include system.h. 1489 (PROCEXEFMT, get_pid_class): New. 1490 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call 1491 get_pid_class. 1492 14932013-01-23 Mark Wielaard <mjw@redhat.com> 1494 1495 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one 1496 from aux_syments by default. 1497 (find_symtab): Also succeed when only aux_symdata is found. 1498 When no symtab is found always try to load auxiliary table. 1499 (dwfl_module_getsymtab): Substract one from result when both 1500 tables have symbols. 1501 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary 1502 zero entry when both tables have symbols. 1503 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract 1504 one from first_global when both tables have symbols. 1505 15062013-01-16 Mark Wielaard <mjw@redhat.com> 1507 1508 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata, 1509 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global. 1510 (dwfl_adjusted_aux_sym_addr): New function. 1511 (dwfl_deadjust_aux_sym_addr): Likewise. 1512 (dwfl_adjusted_st_value): Take and check symfile argument. 1513 (dwfl_deadjust_st_value): Likewise. 1514 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and 1515 use dwfl_file as argument to set address_sync. 1516 (find_debuginfo): Call find_prelink_address_sync with debug file. 1517 (find_aux_sym): New function. 1518 (find_symtab): Use find_aux_sym if all we have is the dynsym table 1519 and fill in aux DwflModule fields. 1520 (dwfl_module_getsymtab): Return syments plus aux_syments. 1521 (load_symtab): Always set first_global. 1522 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile 1523 when using same_section. Calculate first_global based on both 1524 mod->first_global and mod->aux_first_global. 1525 * dwfl_module.c (__libdwfl_module_free): Free aux_sym. 1526 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table 1527 to retrieve symbol and name if necessary, making sure all locals 1528 from any table come before any globals. 1529 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value 1530 with symfile. 1531 * relocate.c (resolve_symbol): Likewise. 1532 15332013-01-07 Roland McGrath <roland@hack.frob.com> 1534 1535 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but 1536 still assume the data is at least 32-bit aligned anyway. 1537 (dwfl_link_map_report): Handle unaligned auxv data. 1538 15392012-12-11 Mark Wielaard <mjw@redhat.com> 1540 1541 * linux-kernel-modules.c (report_kernel): Only free fname if 1542 find_kernel_elf succeeds and allocates it. 1543 (report_kernel_archive): Fix brackets around unlikely expression. 1544 15452012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com> 1546 1547 * argp-std.c: Update Copyright year. 1548 (offline_find_elf): New function. 1549 (offline_callbacks): Use it for find_elf. 1550 (struct parse_opt): New. 1551 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct 1552 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE 1553 processing till ARGP_KEY_SUCCESS. Initialize state->input already from 1554 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the 1555 final state->input initialization optional. 1556 * dwfl_end.c: Update Copyright year. 1557 (dwfl_end): Free executable_for_core. 1558 * libdwflP.h: Update Copyright year. 1559 (struct Dwfl): New field executable_for_core. 1560 15612012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com> 1562 1563 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS 1564 calculation. 1565 15662012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1567 1568 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code 1569 from ... 1570 (__libdwfl_getelf): ... here. Call it. 1571 15722012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com> 1573 1574 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__. 1575 15762012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> 1577 1578 * dwfl_segment_report_module.c (dwfl_segment_report_module): 1579 Initialize mod->MAIN_BIAS. 1580 15812012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com> 1582 1583 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function 1584 binding_value. Use it for both zero and non-zero size symbols 1585 comparisons. 1586 15872012-10-01 Mark Wielaard <mjw@redhat.com> 1588 1589 * cu.c (cudie_offset): Don't use type_sig8, it might not be 1590 initialized and these are always real CUs, never TUs. 1591 15922012-10-01 Mark Wielaard <mjw@redhat.com> 1593 1594 * derelocate.c (find_section): Check next section exists before 1595 accessing it. 1596 15972012-08-01 Petr Machata <pmachata@redhat.com> 1598 1599 * offline.c (process_archive_member): Ignore entry "/SYM64/". 1600 16012012-03-28 Roland McGrath <roland@hack.frob.com> 1602 1603 * dwfl_segment_report_module.c 1604 (dwfl_segment_report_module: read_portion): Don't use existing buffer 1605 when FILESZ is zero (string mode) and available portion doesn't hold 1606 a terminated string. 1607 16082011-12-02 Roland McGrath <roland@hack.frob.com> 1609 1610 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case 1611 to use elf64_xlatetom and PHDRS.p64. 1612 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>. 1613 16142011-11-31 Mark Wielaard <mjw@redhat.com> 1615 1616 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all 1617 global symbols. Then only when that doesn't provide a match search 1618 all local symbols too. 1619 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg 1620 and fill it in. 1621 (find_symtab): Initialize mod->first_global and pass it to load_symtab. 1622 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field. 1623 16242011-11-31 Mark Wielaard <mjw@redhat.com> 1625 1626 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update 1627 sizeless_sym if needed and closer to desired addr. 1628 16292011-10-20 Mark Wielaard <mjw@redhat.com> 1630 1631 * derelocate.c (cache_sections): Intern mod->reloc_info check. 1632 (dwfl_module_relocations): Don't check mod->reloc_info. 1633 (dwfl_module_relocation_info): Likewise. 1634 (find_section): Likewise. 1635 16362011-07-09 Roland McGrath <roland@hack.frob.com> 1637 1638 * image-header.c (LE32): Macro removed (now in lib/system.h). 1639 16402011-04-11 Mark Wielaard <mjw@redhat.com> 1641 1642 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition 1643 by check for zlib, bzlib or lzma defines to check it isn't empty. 1644 (try_kernel_name): Use same guard for use of vmlinux_suffixes. 1645 16462011-03-08 Roland McGrath <roland@redhat.com> 1647 1648 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL. 1649 Reported by Kurt Roeckx <kurt@roeckx.be>. 1650 16512011-02-11 Roland McGrath <roland@redhat.com> 1652 1653 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz 1654 suffixes if corresponding decompression support is enabled. 1655 16562011-02-01 Roland McGrath <roland@redhat.com> 1657 1658 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the 1659 section-end address as the synchronization point, rather than sh_addr. 1660 1661 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover 1662 PT_INTERP p_vaddr separately from main phdrs and undo phdrs. 1663 1664 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in 1665 last change, so we recognize PT_INTERP in ELFCLASS64 correctly. 1666 16672011-01-11 Roland McGrath <roland@redhat.com> 1668 1669 * dwfl_module_getdwarf.c (open_elf): Remove section-based 1670 address_sync fixup from here. 1671 (find_prelink_address_sync): New function. 1672 (find_debuginfo): Call it. 1673 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error. 1674 16752011-01-04 Roland McGrath <roland@redhat.com> 1676 1677 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation 1678 logic to consider section addresses, the better to survive all the 1679 possible prelink machinations. 1680 * libdwflP.h (struct dwfl_file): Comment change. 1681 16822010-11-30 Roland McGrath <roland@redhat.com> 1683 1684 * derelocate.c (dwfl_module_relocations): Remove over-eager assert. 1685 16862010-11-12 Roland McGrath <roland@redhat.com> 1687 1688 * libdwflP.h (struct Dwfl_Module): New member main_bias. 1689 (dwfl_adjusted_address, dwfl_deadjust_address): Use it. 1690 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it. 1691 1692 * libdwflP.h (dwfl_deadjust_address): New function. 1693 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions. 1694 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr. 1695 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value. 1696 16972010-11-11 Roland McGrath <roland@redhat.com> 1698 1699 * libdwflP.h (struct dwfl_file): Remove bias member. 1700 Add vaddr and address_sync members instead. 1701 (dwfl_adjusted_address): Calculate using vaddr. 1702 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that. 1703 (dwfl_adjusted_st_value): Use one of those calls. 1704 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync. 1705 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise. 1706 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions. 1707 * link_map.c (consider_executable): Adjust only MOD->low_addr for 1708 detected PIE bias change. 1709 1710 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function. 1711 * dwfl_module_info.c: Use it. 1712 * cu.c (addrarange): Likewise. 1713 * dwfl_dwarf_line.c: Likewise. 1714 * dwfl_module_dwarf_cfi.c: Likewise. 1715 * dwfl_lineinfo.c: Likewise. 1716 * dwfl_nextcu.c: Likewise. 1717 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise. 1718 1719 * libdwflP.h (dwfl_adjusted_st_value): New function. 1720 * relocate.c (resolve_symbol): Use it. 1721 * dwfl_module_getsym.c: Likewise. 1722 * dwfl_module_addrsym.c: Likewise. 1723 * dwfl_module_info.c: Likewise. 1724 1725 * libdwflP.h (dwfl_adjusted_address): New function. 1726 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it. 1727 * relocate.c (__libdwfl_relocate_value): Likewise. 1728 * derelocate.c (cache_sections): Likewise. 1729 (dwfl_module_address_section): Likewise. 1730 * dwfl_module_getelf.c: Likewise. 1731 * dwfl_module_eh_cfi.c: Likewise. 1732 * link_map.c (consider_executable): Likewise. 1733 17342010-08-24 Roland McGrath <roland@redhat.com> 1735 1736 * dwfl_dwarf_line.c: New file. 1737 * Makefile.am (libdwfl_a_SOURCES): Add it. 1738 17392010-08-18 Roland McGrath <roland@redhat.com> 1740 1741 * link_map.c (report_r_debug): Use found name if we have no name, 1742 even if we already have an Elf handle. 1743 17442010-06-30 Roland McGrath <roland@redhat.com> 1745 1746 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be 1747 confused by -1 return from dwfl_build_id_find_elf after it opened 1748 the Elf handle. 1749 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for 1750 dwfl_build_id_find_debuginfo. 1751 17522010-06-16 Roland McGrath <roland@redhat.com> 1753 1754 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro. 1755 17562010-06-14 Roland McGrath <roland@redhat.com> 1757 1758 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare 1759 candidate file to that st_dev/st_ino and pretend it didn't exist 1760 if they match. 1761 (find_debuginfo_in_path): Update caller, pass main file's info. 1762 17632010-05-20 Roland McGrath <roland@redhat.com> 1764 1765 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ... 1766 (grovel_auxv): ... this. Take DWFL argument. 1767 (dwfl_linux_proc_report): Update caller. 1768 1769 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias 1770 based on dwfl->segment_align or manifest alignment of MOD->low_addr. 1771 17722010-05-19 Roland McGrath <roland@redhat.com> 1773 1774 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten. 1775 17762010-05-06 Roland McGrath <roland@redhat.com> 1777 1778 * segment.c (insert): Clear inserted elements of DWFL->lookup_module. 1779 1780 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF. 1781 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build 1782 ID but we didn't find a file. 1783 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check 1784 and refuse any fallback file-by-name if it lacks the matching ID. 1785 1786 * dwfl_error.c (dwfl_errno): Add INTDEF. 1787 * libdwflP.h: Add INTDECL. 1788 1789 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in 1790 failure cases. 1791 17922010-05-04 Roland McGrath <roland@redhat.com> 1793 1794 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an 1795 ET_DYN that has a DT_DEBUG. 1796 1797 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop. 1798 1799 * segment.c (insert): Fix moving of values following insertion. 1800 (reify_segments): Fix up MOD->segment backpointer indices after 1801 later insertions in the main loop invalidate them. 1802 1803 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and 1804 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly. 1805 1806 * core-file.c (dwfl_core_file_report): Return any nonzero count of 1807 modules reported, even if link_map grovelling failed and only sniffing 1808 found anything. 1809 18102010-04-26 Roland McGrath <roland@redhat.com> 1811 1812 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc. 1813 Works around probably-wrong ld -r behavior for case of a DWARF address 1814 constant that refers to a discarded SHF_ALLOC section. 1815 18162010-04-14 Roland McGrath <roland@redhat.com> 1817 1818 * link_map.c (report_r_debug): Limit iterations on the l_next chain to 1819 an upper bound on sane possible number of elements. 1820 18212010-03-11 Roland McGrath <roland@redhat.com> 1822 1823 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan 1824 the second half for 32-bit matches. 1825 18262010-03-10 Roland McGrath <roland@redhat.com> 1827 1828 * core-file.c (dwfl_core_file_report): Punt EHDR argument. 1829 * argp-std.c (parse_opt): Update caller. 1830 * libdwfl.h: Declare dwfl_core_file_report. 1831 * libdwflP.h: Don't. 1832 18332010-02-17 Roland McGrath <roland@redhat.com> 1834 1835 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument. 1836 If set, find the first index not below ADDR. 1837 (dwfl_segment_report_module): Update callers. 1838 Pass true when calculating return value. 1839 18402010-02-15 Roland McGrath <roland@redhat.com> 1841 1842 * Makefile.am: Use config/eu.am for common stuff. 1843 1844 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized 1845 variable in failure path. 1846 18472010-02-02 Mark Wielaard <mjw@redhat.com> 1848 1849 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias. 1850 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise 1851 18522010-01-07 Roland McGrath <roland@redhat.com> 1853 1854 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum. 1855 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 1856 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise. 1857 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 1858 18592010-01-06 Roland McGrath <roland@redhat.com> 1860 1861 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value. 1862 (relocate_section): Let unresolved SHN_COMMON symbol stay 0. 1863 18642009-11-16 Roland McGrath <roland@redhat.com> 1865 1866 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn. 1867 18682009-11-12 Petr Machata <pmachata@redhat.com> 1869 1870 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if 1871 the chunk is both offset-contiguous and vaddr-contiguous. 1872 18732009-11-05 Roland McGrath <roland@redhat.com> 1874 1875 * link_map.c (report_r_debug): Skip entries with l_ld==0. 1876 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure. 1877 18782009-09-04 Roland McGrath <roland@redhat.com> 1879 1880 * image-header.c (__libdw_image_header): Fix tranposed comparison. 1881 18822009-08-27 Roland McGrath <roland@redhat.com> 1883 1884 * image-header.c: New file. 1885 * Makefile.am (libdwfl_a_SOURCES): Add it. 1886 * libdwflP.h: Declare __libdw_image_header. 1887 * open.c (decompress): Don't consume ELF on failure. 1888 (what_kind): New function, broken out of ... 1889 (__libdw_open_file): ... here. Call it. 1890 If it fails, try __libdw_image_header and then try what_kind again. 1891 1892 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER, 1893 leave it behind for next decompressor. 1894 * open.c (decompress): Free BUFFER on failure. 1895 18962009-08-26 Roland McGrath <roland@redhat.com> 1897 1898 * gzip.c (find_zImage_payload): New function, broken out of ... 1899 (mapped_zImage): ... here. Call it. 1900 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with 1901 stupid method of just trying the decoder. 1902 1903 * open.c [USE_LZMA]: Try __libdw_unlzma. 1904 * libdwflP.h: Declare it. 1905 (DWFL_ERRORS): Add DWFL_E_LZMA. 1906 * gzip.c [LZMA]: Implement liblzma version for XZ file format. 1907 * lzma.c: New file. 1908 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it. 1909 1910 * gzip.c (mapped_zImage): Limit scan to 32kb. 1911 Make this unconditional, support bzip2 kernel images too. 1912 (unzip): Use direct inflate method for non-mmap case too. 1913 Only zlib uses the stream method. 1914 19152009-08-09 Roland McGrath <roland@redhat.com> 1916 1917 * dwfl_module_build_id.c: Use new macros for versioned definitions. 1918 19192009-07-08 Roland McGrath <roland@redhat.com> 1920 1921 * dwfl_module_dwarf_cfi.c: New file. 1922 * dwfl_module_eh_cfi.c: New file. 1923 * Makefile.am (libdwfl_a_SOURCES): Add them. 1924 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi. 1925 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi. 1926 19272009-07-08 Roland McGrath <roland@redhat.com> 1928 1929 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better. 1930 19312009-06-18 Mark Wielaard <mjw@redhat.com> 1932 1933 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap. 1934 19352009-06-13 Ulrich Drepper <drepper@redhat.com> 1936 1937 * derelocate.c: Don't use deprecated libelf functions. 1938 * dwfl_module_getdwarf.c: Likewise. 1939 * relocate.c: Likewise. 1940 19412009-04-23 Ulrich Drepper <drepper@redhat.com> 1942 1943 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is 1944 defined. Otherwise just define the latest version. 1945 19462009-04-22 Roland McGrath <roland@redhat.com> 1947 1948 * relocate.c (resolve_symbol): Apply correct bias to st_value found in 1949 a non-ET_REL module. 1950 1951 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to 1952 adjust properly for non-ET_REL. 1953 19542009-04-21 Roland McGrath <roland@redhat.com> 1955 1956 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC. 1957 1958 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL. 1959 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only 1960 for ET_REL. 1961 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise. 1962 19632009-04-20 Roland McGrath <roland@redhat.com> 1964 1965 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function. 1966 19672009-04-19 Roland McGrath <roland@redhat.com> 1968 1969 * dwfl_module_getdwarf.c (find_file): Renamed to ... 1970 (__libdwfl_getelf): ... this. Make it global. 1971 (find_symtab, find_dw): Update callers. 1972 (dwfl_module_getelf): Functions moved ... 1973 * dwfl_module_getelf.c: ... here, new file. 1974 * Makefile.am (libdwfl_a_SOURCES): Add it. 1975 * libdwflP.h: Declare __libdwfl_getelf. 1976 19772009-04-14 Roland McGrath <roland@redhat.com> 1978 1979 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either 1980 absolute (already adjusted in place) or needing load bias adjustment. 1981 1982 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for 1983 gelf_getphdr failure. Fix file size limit checks. 1984 1985 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check. 1986 19872009-04-08 Roland McGrath <roland@redhat.com> 1988 1989 * dwfl_module_getsym.c: Don't adjust for bias again after 1990 __libdwfl_relocate_value. 1991 1992 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from 1993 a non-SHF_ALLOC section. 1994 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX. 1995 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise. 1996 19972009-03-09 Roland McGrath <roland@redhat.com> 1998 1999 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX 2000 variable to outer scope, so we cache it for the loop. 2001 2002 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr. 2003 20042009-02-12 Roland McGrath <roland@redhat.com> 2005 2006 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use 2007 __libdwfl_relocate_value to find correct sh_addr value. 2008 20092009-02-10 Roland McGrath <roland@redhat.com> 2010 2011 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY. 2012 If false, don't fail for NO_PHDR. 2013 (dwfl_report_elf): Update caller. 2014 * libdwflP.h: Update decl. 2015 * offline.c (process_elf): Call it with false, so we don't refuse 2016 dubiously-formed objects here. 2017 2018 * link_map.c (consider_executable): Don't assert dwfl_addrsegment 2019 finds our module. We shouldn't crash when we confuse some guesses. 2020 20212009-02-10 Ulrich Drepper <drepper@redhat.com> 2022 2023 * open.c (decompress): Avoid crash with empty input file. 2024 20252009-01-27 Roland McGrath <roland@redhat.com> 2026 2027 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD 2028 with zero vaddr and memsz. 2029 20302009-01-22 Roland McGrath <roland@redhat.com> 2031 2032 * open.c (decompress): Move BUFFER, SIZE decls outside #if. 2033 2034 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments 2035 after address-matching loop. 2036 2037 * segment.c (lookup): Fix fencepost in checking for HINT match. 2038 20392009-01-14 Roland McGrath <roland@redhat.com> 2040 2041 * gzip.c [!BZLIB] (mapped_zImage): New function. 2042 (unzip) [!BZLIB]: Grok Linux kernel zImage format. 2043 20442009-01-10 Ulrich Drepper <drepper@redhat.com> 2045 2046 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code. 2047 20482009-01-08 Roland McGrath <roland@redhat.com> 2049 2050 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): 2051 Skip subdirectory named "source". 2052 (dwfl_linux_kernel_find_elf): Likewise. 2053 20542009-01-06 Roland McGrath <roland@redhat.com> 2055 2056 * linux-kernel-modules.c (check_suffix): New function. 2057 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes. 2058 (dwfl_linux_kernel_report_offline): Use it. 2059 (dwfl_linux_kernel_find_elf): Likewise. 2060 20612009-01-05 Roland McGrath <roland@redhat.com> 2062 2063 * argp-std.c (parse_opt): Use __libdw_open_file for core file. 2064 * dwfl_build_id_find_debuginfo.c: Use it to open the file. 2065 * dwfl_build_id_find_elf.c: Likewise. 2066 * dwfl_module_getdwarf.c (open_elf): Likewise. 2067 * dwfl_report_elf.c: Likewise. 2068 * find-debuginfo.c (validate): Likewise. 2069 * offline.c (__libdwfl_report_offline): Likewise. 2070 2071 * libdwflP.h: Declare __libdw_open_file. 2072 * open.c: New file. 2073 * Makefile.am (libdwfl_a_SOURCES): Add it. 2074 2075 * gzip.c: New file. 2076 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it. 2077 * bzip2.c: New file. 2078 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it. 2079 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2. 2080 20812008-12-16 Roland McGrath <roland@redhat.com> 2082 2083 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and 2084 symver magic to bind to ELFUTILS_0.138. 2085 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible 2086 wrapper for ELFUTILS_0.130 version set. 2087 20882008-12-18 Roland McGrath <roland@redhat.com> 2089 2090 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN 2091 addresses are taken as relative to MOD->low_addr. 2092 20932008-12-15 Roland McGrath <roland@redhat.com> 2094 2095 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not 2096 debug.bias. 2097 20982008-12-11 Roland McGrath <roland@redhat.com> 2099 2100 * offline.c (process_archive): Don't call elf_end and close if 2101 returning NULL. Check first elf_begin call and set error code 2102 specially for empty archive. 2103 Fixes RHBZ#465878. 2104 21052008-12-02 Roland McGrath <roland@redhat.com> 2106 2107 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change. 2108 21092008-11-26 Roland McGrath <roland@redhat.com> 2110 2111 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in 2112 return value, and interpret encoded OFFSET argument. 2113 21142008-10-07 Roland McGrath <roland@redhat.com> 2115 2116 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation. 2117 21182008-09-29 Roland McGrath <roland@redhat.com> 2119 2120 * segment.c (insert): Must realloc DWFL->lookup_module here too. 2121 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls. 2122 21232008-08-28 Roland McGrath <roland@redhat.com> 2124 2125 * segment.c (reify_segments): Fix last change. 2126 21272008-08-27 Roland McGrath <roland@redhat.com> 2128 2129 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM 2130 failure from pread64. 2131 21322008-08-26 Roland McGrath <roland@redhat.com> 2133 2134 * segment.c (reify_segments): Insert a trailing segment for a module 2135 end that is above the highest current segment. 2136 21372008-08-25 Roland McGrath <roland@redhat.com> 2138 2139 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for 2140 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF 2141 if FILE->elf is not ELF_K_ELF. 2142 2143 * dwfl_segment_report_module.c: Add a cast. 2144 21452008-08-21 Denys Vlasenko <dvlasenk@redhat.com> 2146 2147 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic 2148 which decides which symbol is "closest" to a given address. 2149 21502008-08-15 Roland McGrath <roland@redhat.com> 2151 2152 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf. 2153 (options, parse_opt): Handle --core. 2154 2155 * core-file.c: New file. 2156 * Makefile.am (libdwfl_a_SOURCES): Add it. 2157 * libdwflP.h (dwfl_core_file_report): Declare it. 2158 2159 * link_map.c: New file. 2160 * Makefile.am (libdwfl_a_SOURCES): Add it. 2161 * libdwflP.h (dwfl_link_map_report): Declare it. 2162 2163 * libdwflP.h (MIN, MAX): New macros. 2164 (Dwfl_Memory_Callback): New typedef. 2165 (Dwfl_Module_Callback): New typedef. 2166 (dwfl_segment_report_module): Declare it. 2167 * dwfl_segment_report_module.c: New file. 2168 * Makefile.am (libdwfl_a_SOURCES): Add it. 2169 2170 * derelocate.c (dwfl_module_address_section): Add INTDEF. 2171 * libdwflP.h: Add INTDECL. 2172 2173 * segment.c: New file. 2174 * Makefile.am (libdwfl_a_SOURCES): Add it. 2175 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment. 2176 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc, 2177 lookup_addr, lookup_module, lookup_segndx, replace removed members 2178 modules, nmodules. 2179 (struct Dwfl_Module): New member segment. 2180 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist 2181 to each free module. 2182 * dwfl_module.c (dwfl_report_begin_add): Do nothing. 2183 (dwfl_report_begin): Don't call it. Truncate the segment table instead. 2184 (dwfl_report_module): Don't touch DWFL->nmodules. 2185 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules. 2186 (compare_modules): Function removed. 2187 * dwfl_getmodules.c: Rewritten. 2188 Add INTDEF. 2189 * libdwflP.h: Add INTDECLs. 2190 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules. 2191 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment. 2192 21932008-08-03 Roland McGrath <roland@redhat.com> 2194 2195 * linux-kernel-modules.c: Include <fts.h> before <config.h>. 2196 21972008-07-17 Roland McGrath <roland@redhat.com> 2198 2199 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to 2200 zero if the failure was only ENOENT. 2201 22022008-06-03 Roland McGrath <roland@redhat.com> 2203 2204 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined 2205 symbols. 2206 22072008-05-22 Petr Machata <pmachata@redhat.com> 2208 2209 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0. 2210 22112008-05-06 Roland McGrath <roland@frob.com> 2212 2213 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use 2214 FTS_LOGICAL here too. 2215 (dwfl_linux_kernel_find_elf): Likewise. 2216 22172008-04-29 Roland McGrath <roland@redhat.com> 2218 2219 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search 2220 based on canonicalize_file_name if it differs from the supplied name. 2221 2222 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so 2223 we accept symlinks. 2224 22252008-04-27 Roland McGrath <roland@redhat.com> 2226 2227 * linux-kernel-modules.c (report_kernel): Fix crash when 2228 dwfl_report_elf fails. 2229 22302008-04-05 Roland McGrath <roland@redhat.com> 2231 2232 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE. 2233 2234 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits. 2235 Clear it after freeing. 2236 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise. 2237 22382008-03-26 Roland McGrath <roland@redhat.com> 2239 2240 * dwfl_module_getdwarf.c (load_symtab): Don't return success for 2241 SHT_DYNSYM, just set *SYMSCN like the comment says. 2242 2243 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array. 2244 2245 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure. 2246 22472008-03-19 Roland McGrath <roland@redhat.com> 2248 2249 * dwfl_module_getsrc.c: Adjust address for module bias before search. 2250 22512008-03-01 Roland McGrath <roland@redhat.com> 2252 2253 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from 2254 prototype to avoid older compiler's complaint about reuse of the name. 2255 (__libdwfl_canon_error): Likewise. 2256 22572008-02-19 Roland McGrath <roland@redhat.com> 2258 2259 * relocate.c (relocate_section): Check for an unhandled relocation 2260 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE -> 2261 DWFL_E_UNKNOWN_MACHINE check out of loops. 2262 2263 * dwfl_module_getdwarf.c (load_dw): Skip relocation if 2264 DEBUGFILE->relocated is already set. 2265 22662008-01-26 Roland McGrath <roland@redhat.com> 2267 2268 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null. 2269 2270 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear 2271 incoming *FILE_NAME at the start. 2272 22732008-01-08 Roland McGrath <roland@redhat.com> 2274 2275 * Makefile.am (euinclude): Variable removed. 2276 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS. 2277 22782007-10-23 Roland McGrath <roland@redhat.com> 2279 2280 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel 2281 module to appear first. 2282 22832007-10-20 Roland McGrath <roland@redhat.com> 2284 2285 * offline.c (process_archive_member): Take FD argument, pass it down 2286 to process_file. Return Elf_Cmd, not bool. 2287 Call elf_next here, always before elf_end. 2288 (process_archive): Update caller. Don't close FD here unless there 2289 are no member refs. 2290 2291 * dwfl_module.c (free_file): Close fd only when elf_end returns zero. 2292 2293 * libdwflP.h (struct dwfl_file): New bool member `relocated'. 2294 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply 2295 partial relocation to one or both files. 2296 (dwfl_module_getdwarf): For ET_REL, make sure extra sections' 2297 relocations have been applied to the debug file if dwfl_module_getelf 2298 has been used before. 2299 2300 * relocate.c (resolve_symbol): New function. 2301 (relocate_section): Call it. 2302 2303 * relocate.c (relocate_getsym): Handle null MOD->symfile. 2304 (relocate_section): Take new bool arg, PARTIAL. If true, 2305 no error for BADRELTYPE/RELUNDEF, instead just skip them 2306 and leave only those skipped relocs behind the reloc section. 2307 (__libdwfl_relocate_section): Take new arg, pass it down. 2308 (__libdwfl_relocate): Take new bool arg, DEBUG. If false, 2309 do partial relocation on all sections. 2310 * dwfl_module_getdwarf.c (load_dw): Update caller. 2311 * libdwflP.h: Update decls. 2312 * derelocate.c (dwfl_module_address_section): Pass new argument 2313 to __libdwfl_relocate_section, true. 2314 2315 * derelocate.c (cache_sections): Don't cache reloc sections when 2316 section_address callback is null. 2317 23182007-10-19 Roland McGrath <roland@redhat.com> 2319 2320 * relocate.c (relocate_section): Fix fencepost error in r_offset check. 2321 2322 * derelocate.c (struct dwfl_relocation): Add member `relocs'. 2323 (struct secref): Likewise. 2324 (cache_sections): Cache the relocation section referring to each 2325 section we cache, if any. 2326 (dwfl_module_address_section): Use __libdwfl_relocate_section as 2327 necessary. 2328 2329 * relocate.c (struct reloc_symtab_cache): New type. 2330 (relocate_getsym): Use it instead of four arguments. 2331 (__libdwfl_relocate): Update caller. 2332 (relocate_section): New function, broken out of ... 2333 (__libdwfl_relocate): ... here. 2334 (__libdwfl_relocate_section): New function. 2335 * libdwflP.h: Declare it. 2336 23372007-10-17 Roland McGrath <roland@redhat.com> 2338 2339 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias 2340 to relocated st_value. 2341 2342 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for 2343 ET_REL to 0x100. 2344 23452007-10-16 Roland McGrath <roland@redhat.com> 2346 2347 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later 2348 section has larger alignment requirements not met by the original BASE, 2349 rather than padding more between sections. 2350 2351 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation. 2352 2353 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias 2354 to sh_addr value. 2355 2356 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE 2357 at zero in ET_REL case. Adjust BASE to necessary alignment. 2358 2359 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value 2360 for DATA_VADDR. 2361 (__libdwfl_find_build_id): Update caller. 2362 2363 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset. 2364 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise. 2365 * offline.c (dwfl_offline_section_address): Bail early if there is 2366 separate debug file. 2367 2368 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF. 2369 23702007-10-09 Roland McGrath <roland@redhat.com> 2371 2372 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when 2373 caching SHDR->sh_addr = 0. 2374 * offline.c (dwfl_offline_section_address): Never called for sh_addr 2375 really at 0, don't check for it. Use MOD->debug directly, not symfile. 2376 2377 * dwfl_module_getdwarf.c (load_symtab): Return success properly when 2378 we've found SHT_SYMTAB. 2379 2380 * relocate.c (relocate_getsym): New function. 2381 (__libdwfl_relocate): Use it. 2382 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX 2383 be a pointer instead of value; cache getshstrndx result there. 2384 * libdwflP.h: Update decl. 2385 * derelocate.c (cache_sections): Update caller. 2386 Always work on the main file, not the symfile. 2387 (dwfl_module_address_section): Likewise. 2388 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller. 2389 23902007-10-07 Roland McGrath <roland@redhat.com> 2391 2392 * offline.c (process_archive): Initialize MOD. 2393 2394 * linux-kernel-modules.c (get_release): New function, broken out of ... 2395 (report_kernel): ... here. Call it. 2396 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set. 2397 (find_kernel_elf): Update caller. 2398 (report_kernel_archive): New function. 2399 (dwfl_linux_kernel_report_offline): Call it. 2400 2401 * offline.c (process_file): Take new arg PREDICATE, pass it down. 2402 (process_archive): Likewise. 2403 (process_archive_member): Likewise. When nonnull, let the predicate 2404 decide whether to use this member. 2405 (__libdwfl_report_offline): New function, broken out of ... 2406 (dwfl_report_offline): ... here. Call it. 2407 * libdwflP.h: Declare it. 2408 2409 * offline.c (process_archive, process_archive_member): New functions. 2410 (process_elf, process_file): New functions, broken out of ... 2411 (dwfl_report_offline): ... here. Call process_file, which recurses on 2412 ELF_K_AR files. 2413 2414 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ... 2415 (dwfl_report_elf): ... here. Call it. 2416 * libdwflP.h: Declare it. 2417 24182007-10-06 Roland McGrath <roland@redhat.com> 2419 2420 * derelocate.c (dwfl_module_relocations): Don't call 2421 dwfl_module_getdwarf. 2422 2423 * derelocate.c (find_section): Use __libdwfl_seterrno, not 2424 __libdw_seterrno. 2425 2426 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not 2427 SHF_ALLOC, to cache sh_addr resolved to 0. 2428 2429 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr 2430 values nonzero already, just use its existing layout. 2431 2432 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its 2433 in-core shdr after applying it. 2434 24352007-10-04 Ulrich Drepper <drepper@redhat.com> 2436 2437 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake 2438 initialization of notes variable. 2439 24402007-10-04 Roland McGrath <roland@redhat.com> 2441 2442 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES, 2443 fill in with vaddr of "__start_notes" symbol if found. 2444 (check_notes): New function. 2445 (check_kernel_notes): New function. 2446 (dwfl_linux_kernel_report_kernel): Call it. 2447 (check_module_notes): New function. 2448 (dwfl_linux_kernel_report_modules): Call it. 2449 2450 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): 2451 Try dwfl_build_id_find_elf first. 2452 2453 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT. 2454 Set kernel module e_type to ET_DYN. 2455 24562007-10-03 Roland McGrath <roland@redhat.com> 2457 2458 * find-debuginfo.c (validate): New function, broken out of ... 2459 (find_debuginfo_in_path): ... here. New function, broken out of ... 2460 (dwfl_standard_find_debuginfo): ... here. Call it, after trying 2461 dwfl_build_id_find_debuginfo first. 2462 2463 * dwfl_build_id_find_elf.c: New file. 2464 * dwfl_build_id_find_debuginfo.c: New file. 2465 * Makefile.am (libdwfl_a_SOURCES): Add them. 2466 * libdwfl.h: Declare them. 2467 * libdwflP.h: Add INTDECLs. 2468 2469 * dwfl_module_build_id.c: New file. 2470 * dwfl_module_report_build_id.c: New file. 2471 * Makefile.am (libdwfl_a_SOURCES): Add them. 2472 * libdwfl.h: Declare them. 2473 * libdwflP.h (struct Dwfl_Module): New members build_id_bits, 2474 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id. 2475 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits. 2476 2477 * dwfl_module_getdwarf.c (find_offsets): New function. 2478 (find_dynsym): New function, calls that. 2479 (find_symtab): Call it. 2480 24812007-09-11 Roland McGrath <roland@redhat.com> 2482 2483 * dwfl_module_addrsym.c: Prefer a later global symbol at the same 2484 address if its st_size is smaller. 2485 24862007-08-13 Roland McGrath <roland@redhat.com> 2487 2488 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler. 2489 24902007-08-12 Roland McGrath <roland@redhat.com> 2491 2492 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use 2493 FTS_LOGICAL. 2494 2495 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on 2496 a second phdr if it happens to match EHDR_VMA exactly. 2497 24982007-08-08 Roland McGrath <roland@redhat.com> 2499 2500 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and 2501 those with no names. Rewrite best symbol algorithm not to assume a 2502 sorted table and to be smarter handling sizeless symbols. 2503 25042007-07-16 Roland McGrath <roland@redhat.com> 2505 2506 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when 2507 reviving an existing module. 2508 25092007-06-08 Roland McGrath <roland@redhat.com> 2510 2511 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME. 2512 25132007-05-17 Roland McGrath <roland@redhat.com> 2514 2515 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at 2516 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel. 2517 (dwfl_linux_kernel_find_elf): Likewise. 2518 2519 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 2520 getline and sscanf instead of fscanf. 2521 25222007-05-08 Roland McGrath <roland@redhat.com> 2523 2524 * offline.c (dwfl_offline_section_address): Don't assume section 2525 numbers match between stripped and debuginfo files. Instead, assume 2526 only that the ordering among SHF_ALLOC sections matches. 2527 2528 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to 2529 pointer to string. 2530 (dwfl_linux_kernel_report_offline): Update caller. 2531 (dwfl_linux_kernel_report_kernel): Likewise. 2532 25332007-04-23 Roland McGrath <roland@redhat.com> 2534 2535 * argp-std.c (options): Fix group title string. 2536 2537 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl. 2538 Update via STATE->input every time we set STATE->hook, not only at 2539 ARGP_KEY_SUCCESS. 2540 2541 * dwfl_module.c (free_file): Free FILE->name. 2542 25432007-04-16 Roland McGrath <roland@redhat.com> 2544 2545 * derelocate.c (cache_sections): Apply bias to sh_addr. 2546 (compare_secrefs): Fix address comparison to avoid signed overflow. 2547 (find_section): New function, broken out of ... 2548 (dwfl_module_relocate_address): ... here, call it. 2549 (check_module): New function, broken out of ... 2550 (dwfl_module_relocate_address): ... here, call it. 2551 (dwfl_module_address_section): New function. 2552 * libdwfl.h: Declare it. 2553 25542007-03-26 Roland McGrath <roland@redhat.com> 2555 2556 * dwfl_module.c (__libdwfl_module_free): Free MOD itself. 2557 25582007-03-18 Roland McGrath <roland@redhat.com> 2559 2560 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of 2561 (find_debuginfo): ... here. Call it. 2562 Don't return error for libelf errors finding .gnu_debuglink section. 2563 25642007-03-12 Roland McGrath <roland@redhat.com> 2565 2566 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ... 2567 (dwfl_report_begin): ... here. Call it. 2568 * libdwfl.h: Declare it. 2569 * libdwflP.h: Add INTDECL. 2570 2571 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 2572 2573 * offline.c: Comment typo fix. 2574 25752007-03-04 Roland McGrath <roland@redhat.com> 2576 2577 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel". 2578 (find_kernel_elf): New function, broken out of ... 2579 (report_kernel): ... here. Call it. 2580 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME. 2581 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess 2582 virtual address bounds of kernel from symbols rounded to page size. 2583 (dwfl_linux_kernel_report_kernel): Use that if it works, before 2584 resorting to report_kernel. 2585 2586 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an 2587 ET_EXEC file with nonzero bias. 2588 2589 * dwfl_module_addrname.c (dwfl_module_addrname): Just call 2590 dwfl_module_addrsym. Guts moved to ... 2591 * dwfl_module_addrsym.c: ... here; new file. 2592 * Makefile.am (libdwfl_a_SOURCES): Add it. 2593 * libdwfl.h: Declare dwfl_module_addrsym. 2594 * libdwflP.h: Add INTDECL. 2595 25962007-03-03 Roland McGrath <roland@redhat.com> 2597 2598 * dwfl_module.c (free_file): New function, broken out of ... 2599 (__libdwfl_module_free): ... here. In it, close fd after elf_end. 2600 2601 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1 2602 on libelf failure. 2603 26042007-03-02 Roland McGrath <roland@redhat.com> 2605 2606 * linux-kernel-modules.c: Fix bogus error test for asprintf call. 2607 26082007-02-02 Roland McGrath <roland@redhat.com> 2609 2610 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary 2611 address exactly if it's no other module's low boundary. 2612 2613 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value 2614 and size cover the address, select the closest symbol with st_size==0 2615 that lies in the same section. 2616 26172007-01-29 Roland McGrath <roland@redhat.com> 2618 2619 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION, 2620 not PACKAGE_STRING. 2621 26222007-01-20 Roland McGrath <roland@redhat.com> 2623 2624 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1 2625 as omitted, not 0. 2626 * libdwfl.h (Dwfl_Callbacks): Update comment. 2627 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections. 2628 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2629 For ignored missing section, use -1 instead of 0. 2630 * offline.c (dwfl_offline_section_address): Expect a call for 0. 2631 26322007-01-19 Roland McGrath <roland@redhat.com> 2633 2634 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to 2635 zero so a lone -e foo.so is shown without address bias. 2636 26372007-01-10 Roland McGrath <roland@redhat.com> 2638 2639 * linux-kernel-modules.c (report_kernel): Check asprintf return value 2640 directly instead of via side effect, to silence warn_unused_result. 2641 (dwfl_linux_kernel_report_offline): Likewise. 2642 (dwfl_linux_kernel_find_elf): Likewise. 2643 (dwfl_linux_kernel_module_section_address): Likewise. 2644 * find-debuginfo.c (try_open): Likewise. 2645 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise. 2646 (dwfl_linux_proc_report): Likewise. 2647 2648 * libdwfl.h (dwfl_begin): Require nonnull argument. 2649 26502006-12-27 Roland McGrath <roland@redhat.com> 2651 2652 * dwfl_module.c (compare_modules): Fix address comparison to avoid 2653 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>. 2654 26552006-10-30 Roland McGrath <roland@redhat.com> 2656 2657 * dwfl_module.c (dwfl_report_module): Comment typo fix. 2658 26592006-09-05 Roland McGrath <roland@redhat.com> 2660 2661 * derelocate.c (cache_sections): Use alloca instead of variable-sized 2662 auto array, in function already using alloca. 2663 26642006-08-14 Roland McGrath <roland@redhat.com> 2665 2666 * linux-kernel-modules.c (try_kernel_name): If the call to 2667 dwfl_standard_find_debuginfo produces no results, try it again 2668 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix. 2669 2670 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ... 2671 * libdwflP.h: ... to here. 2672 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it 2673 repeats the first thing dwfl_standard_find_debuginfo will try. 2674 2675 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro. 2676 (dwfl_linux_kernel_module_section_address): If a /sys file is missing 2677 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the 2678 section name. 2679 26802006-07-12 Ulrich Drepper <drepper@redhat.com> 2681 2682 * cu.c: Adjust for internal_function_def removal. 2683 * dwfl_error.c: Likewise. 2684 * dwfl_module.c: Likewise. 2685 * dwfl_module_getdwarf.c: Likewise. 2686 * lines.c: Likewise. 2687 * relocate.c: Likewise. 2688 26892006-07-11 Ulrich Drepper <drepper@redhat.com> 2690 2691 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value, 2692 it can overflow the return value type. 2693 Patch by Tim Moore <timoore@redhat.com>. 2694 26952006-06-28 Roland McGrath <roland@redhat.com> 2696 2697 * libdwfl.h: Cosmetic changes. 2698 2699 * dwfl_line_comp_dir.c: New file. 2700 * Makefile.am (libdwfl_a_SOURCES): Add it. 2701 * libdwfl.h: Declare dwfl_line_comp_dir. 2702 2703 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn. 2704 2705 * dwfl_linecu.c: New file. 2706 * Makefile.am (libdwfl_a_SOURCES): Add it. 2707 * libdwfl.h: Declare dwfl_linecu. 2708 2709 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu. 2710 (dwfl_linecu): Define as macro. 2711 2712 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym. 2713 2714 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function. 2715 (dwfl_module_addrname): Function moved ... 2716 * dwfl_module_addrname.c: ... here, new file. 2717 * dwfl_module_getsym.c: New file. 2718 * Makefile.am (libdwfl_a_SOURCES): Add them. 2719 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym. 2720 * libdwflP.h: Add INTDECLs. 2721 27222006-06-27 Roland McGrath <roland@redhat.com> 2723 2724 * dwfl_module.c (dwfl_report_end): Whitespace fix. 2725 27262006-06-13 Roland McGrath <roland@redhat.com> 2727 2728 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo. 2729 Use __libdwfl_seterrno for elf_memory failure. 2730 27312006-05-22 Roland McGrath <roland@redhat.com> 2732 2733 * dwfl_module_return_value_location.c 2734 (dwfl_module_return_value_location): Use __libdwfl_module_getebl. 2735 27362006-05-27 Ulrich Drepper <drepper@redhat.com> 2737 2738 * libdwfl.h: Add extern "C". 2739 27402006-05-22 Ulrich Drepper <drepper@redhat.com> 2741 2742 * cu.c (addrarange): Handle files without aranges information. 2743 27442006-05-16 Ulrich Drepper <drepper@redhat.com> 2745 2746 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of 2747 ->modules is NULL. 2748 27492006-02-26 Roland McGrath <roland@redhat.com> 2750 2751 * dwfl_version.c: New file. 2752 * Makefile.am (libdwfl_a_SOURCES): Add it. 2753 * libdwfl.h: Declare dwfl_version. 2754 2755 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having 2756 aligned up from DWFL->offline_next_address when checking for overlap. 2757 27582005-12-22 Roland McGrath <roland@redhat.com> 2759 2760 * argp-std.c (parse_opt): Call dwfl_end in failure cases. 2761 2762 * linux-proc-maps.c (proc_maps_report): New function, broken out of ... 2763 (dwfl_linux_proc_report): ... here. Call it. 2764 (dwfl_linux_proc_maps_report): New function. 2765 * libdwfl.h: Declare it. 2766 * libdwflP.h: Add INTDECL. 2767 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map. 2768 2769 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf 2770 failed with DWFL_E_NO_DWARF. 2771 27722005-11-26 Roland McGrath <roland@redhat.com> 2773 2774 * dwfl_end.c (dwfl_end): Free the DWFL itself. 2775 27762005-11-25 Roland McGrath <roland@redhat.com> 2777 2778 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function. 2779 (load_dw): Use it. 2780 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise. 2781 * libdwflP.h: Declare it. 2782 2783 * dwfl_module_register_names.c: New file. 2784 * Makefile.am (libdwfl_a_SOURCES): Add it. 2785 * libdwfl.h: Declare dwfl_module_register_names. 2786 27872005-11-21 Roland McGrath <roland@redhat.com> 2788 2789 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2790 Don't leak malloc'd file name. 2791 If a /sys/.../sections file is missing and starts with ".init", 2792 try the variant with "_init" too; catches PPC64 kernel braindamage. 2793 27942005-11-15 Roland McGrath <roland@redhat.com> 2795 2796 * libdwfl.h: Comment fixes. 2797 2798 * dwfl_module_return_value_location.c: Add unlikely for error case. 2799 28002005-11-13 Roland McGrath <roland@redhat.com> 2801 2802 * dwfl_return_value_location.c: New file. 2803 * Makefile.am (libdwfl_a_SOURCES): Add it. 2804 * libdwfl.h: Declare dwfl_module_return_value_location. 2805 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE. 2806 28072005-10-20 Roland McGrath <roland@redhat.com> 2808 2809 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE. 2810 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE 2811 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE. 2812 28132005-10-01 Roland McGrath <roland@redhat.com> 2814 2815 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail 2816 with errno 0. 2817 28182005-09-19 Roland McGrath <roland@redhat.com> 2819 2820 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use 2821 PRIx64 instead of PRIi64, lest addresses with high bits set overflow 2822 the signed integer reading; they will just have to be in hexadecimal. 2823 (dwfl_linux_kernel_module_section_address): Likewise. 2824 28252005-08-28 Ulrich Drepper <drepper@redhat.com> 2826 2827 * Makefile.am (%.os): Use COMPILE.os. 2828 (COMPILE.os): Filter out gconv options. 2829 28302005-08-25 Roland McGrath <roland@redhat.com> 2831 2832 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end. 2833 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info. 2834 28352005-08-24 Roland McGrath <roland@redhat.com> 2836 2837 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it. 2838 2839 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function, 2840 magic initializer to set -heur-stack-bound option. 2841 28422005-08-22 Roland McGrath <roland@redhat.com> 2843 2844 * dwfl_validate_address.c: New file. 2845 * Makefile.am (libdwfl_a_SOURCES): Add it. 2846 * libdwfl.h: Declare dwfl_validate_address. 2847 2848 * derelocate.c (dwfl_module_relocate_address): Add INTDEF. 2849 * libdwflP.h: Add INTDECL. 2850 2851 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of 2852 elf_rawdata for symbol-related sections. 2853 2854 * offline.c (dwfl_report_offline): Move offline_next_address outside 2855 module's range, in case it's an ET_EXEC using fixed segment locations. 2856 * libdwfl.h: Update comment. 2857 2858 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's 2859 required alignment. 2860 28612005-08-20 Roland McGrath <roland@redhat.com> 2862 2863 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE, 2864 function to choose whether to report. 2865 (dwfl_linux_kernel_report_offline): Likewise. 2866 * libdwfl.h: Update decl. 2867 * argp-std.c (parse_opt): Update caller. 2868 2869 * dwfl_getsrclines.c: New file. 2870 * dwfl_onesrcline.c: New file. 2871 * Makefile.am (libdwfl_a_SOURCES): Add them. 2872 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline. 2873 2874 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak 2875 MODULESDIR[0]. Call fts_close on failure. 2876 2877 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *. 2878 Close ET_REL file descriptors after relocation. 2879 (find_dw): Update caller. 2880 * offline.c (dwfl_report_offline): Get the file into memory and close 2881 the file descriptor. 2882 2883 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when 2884 MOD->debug.elf is already set. 2885 2886 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY. 2887 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR. 2888 2889 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use 2890 dwfl_linux_kernel_report_offline with offline_callbacks. 2891 2892 * linux-kernel-modules.c (report_kernel): New function, broken out of 2893 ... 2894 (dwfl_linux_kernel_report_kernel): ... here. Use it. 2895 (dwfl_linux_kernel_report_offline): New function. 2896 * libdwfl.h: Declare it. 2897 * libdwflP.h: Add INTDECL. 2898 28992005-08-19 Roland McGrath <roland@redhat.com> 2900 2901 Use standard debuginfo search path to look for vmlinux. 2902 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if 2903 passed zero. 2904 * linux-kernel-modules.c (try_kernel_name): New function, broken out 2905 of ... 2906 (dwfl_linux_kernel_report_kernel): ... here. Use it. 2907 2908 * argp-std.c (offline_callbacks): New variable. 2909 (parse_opt): Use it for -e. Allow multiple -e options. 2910 2911 * offline.c: New file. 2912 * Makefile.am (libdwfl_a_SOURCES): Add it. 2913 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline. 2914 * libdwflP.h: Add INTDECLs. 2915 (OFFLINE_REDZONE): New macro. 2916 (struct Dwfl): New member `offline_next_address'. 2917 * dwfl_begin.c (dwfl_begin): Initialize it. 2918 * dwfl_module.c (dwfl_report_begin): Likewise. 2919 2920 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL, 2921 do a nominal absolute section layout starting at BASE. 2922 * libdwfl.h: Update comment. 2923 29242005-08-18 Roland McGrath <roland@redhat.com> 2925 2926 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do 2927 dwfl_module_getdwarf if necessary. 2928 2929 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0. 2930 * libdwfl.h: Update comment. 2931 2932 * derelocate.c: New file. 2933 * Makefile.am (libdwfl_a_SOURCES): Add it. 2934 2935 * libdwflP.h (struct Dwfl_Module): isrel -> e_type. 2936 * dwfl_report_elf.c (dwfl_report_elf): Initialize it. 2937 * dwfl_module_getdwarf.c (open_elf): Update initialization. 2938 (load_dw, dwfl_module_addrname): Update uses. 2939 * relocate.c (__libdwfl_relocate): Likewise. 2940 29412005-08-04 Roland McGrath <roland@redhat.com> 2942 2943 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional 2944 arguments SHNDX, SHDR. 2945 (dwfl_linux_kernel_module_section_address): Update prototype. 2946 * relocate.c (__libdwfl_relocate_value): Update caller. 2947 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address): 2948 Take the new arguments. 2949 29502005-08-10 Roland McGrath <roland@redhat.com> 2951 2952 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE, 2953 use it instead of MOD->debug.file. 2954 * libdwflP.h: Update decl. 2955 * dwfl_module_getdwarf.c (load_dw): Update caller. 2956 Fixes bug #165598. 2957 29582005-08-09 Roland McGrath <roland@redhat.com> 2959 2960 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs. 2961 * cu.c: Use INTUSE on dwarf_* calls. 2962 * dwfl_error.c: Likewise. 2963 * dwfl_module.c: Likewise. 2964 * dwfl_module_getdwarf.c: Likewise. 2965 * dwfl_module_getsrc_file.c: Likewise. 2966 * lines.c: Likewise. 2967 29682005-08-07 Roland McGrath <roland@redhat.com> 2969 2970 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module 2971 names contain '_' or '-', look for files named either "foo-bar.ko" 2972 or "foo_bar.ko". 2973 29742005-07-29 Roland McGrath <roland@redhat.com> 2975 2976 * loc2c.c: File removed. 2977 * loc2c.h: File removed. 2978 * loc2c-runtime.h: File removed. 2979 * test2.c: File removed. 2980 * Makefile.am (EXTRA_DIST): Variable removed. 2981 (noinst_HEADERS): Remove loc2c.h from here. 2982 29832005-07-28 Ulrich Drepper <drepper@redhat.com> 2984 2985 * libdwfl.h: Add a few missing extern for function prototypes. 2986 2987 * libdwfl_crc32.c: New file. 2988 * libdwfl_crc32_file.c: New file. 2989 * libdwflP.h: Declare the new functions. 2990 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and 2991 libdwfl_crc32_file.c. 2992 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file 2993 instead of crc32_file. 2994 29952005-07-28 Roland McGrath <roland@redhat.com> 2996 2997 * ptest.c: Moved to ../tests/dwflmodtest.c. 2998 2999 * Makefile.am (noinst_PROGRAMS): Variable removed. 3000 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise. 3001 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise. 3002 (libdwfl): Don't use libdwfl.so any more. 3003 (libdwfl.so, install, uninstall): Targets removed. 3004 (test2_SOURCES): Define EXTRA_DIST instead of this. 3005 * libdwfl.map: File removed. 3006 3007 * libdwfl.h: Use "" for libdw.h #include. 3008 30092005-07-27 Roland McGrath <roland@redhat.com> 3010 3011 * libdwfl.map: Add dwfl_getmodules. 3012 30132005-07-23 Ulrich Drepper <drepper@redhat.com> 3014 3015 * Makefile.am: Fix rules to allow building with mudflap. 3016 30172005-07-21 Roland McGrath <roland@redhat.com> 3018 3019 * Makefile.am (noinst_HEADERS): Add loc2c.c. 3020 3021 * test2.c (main): Check sscanf result to quiet warning. 3022 30232005-07-20 Roland McGrath <roland@redhat.com> 3024 3025 * libdwfl-branch merged, creating this direcotry. 3026