1 2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
3 * argp-std.c: Don't include unistd.h.
4 * core-file.c: Don't include unistd.h, endian.h, byteswap.h and
6 * dwfl_build_id_find_debuginfo.c: Don't include unistd.h.
7 * dwfl_build_id_find_elf.c: Likewise.
8 * dwfl_end.c: Likewise.
9 * dwfl_frame.c: Likewise.
10 * dwfl_module.c: Likewise.
11 * dwfl_module_getdwarf.c: Likewise.
12 * dwfl_report_elf.c: Likewise.
13 * dwfl_segment_report_module.c: Don't include endian.h and unistd.h.
14 * find-debuginfo.c: Don't include unistd.h.
16 * image-header.c: Don't include system.h, unistd.h and endian.h.
17 * link_map.c: Don't include byteswap.h and endian.h.
18 * linux-pid-attach.c: Don't include unistd.h.
19 * offline.c: Likewise.
22 2022-10-21 Yonggang Luo <luoyonggang@gmail.com>
24 * libdwfl_crc32.c: Remove LIB_SYSTEM_H define.
26 2022-09-20 Yonggang Luo <luoyonggang@gmail.com>
28 * dwfl_segment_report_module.c: Use BYTE_ORDER, LITTLE_ENDIAN and
31 2022-09-13 Aleksei Vetrov <vvvvvv@google.com>
33 * libdwfl.h (dwfl_report_offline_memory): New function.
34 * libdwflP.h (__libdw_open_elf_memory): New internal function.
35 (dwfl_report_offline_memory): INTDECL.
36 * offline.c (dwfl_report_offline_memory): New function.
37 * open.c (decompress): Return DWFL_E_BADELF when fd is -1.
38 (libdw_open_elf): New argument use_elfp. Adding *elfp to elf if
40 (__libdw_open_file): Pass false to libdw_open_elf.
41 (__libdw_open_elf_memory): New function.
42 (__libdw_open_elf): Pass false for libdw_open_elf.
44 2022-07-28 Di Chen <dichen@redhat.com>
46 * libdwfl.h (dwfl_frame_reg): New function.
47 * libdwflP.h (DWFL_E_REGISTER_VAL_UNKNOWN): New error code.
48 (__libdwfl_frame_reg_get): Return an int.
49 (dwfl_frame_reg): INTDECL.
50 * dwfl_frame_regs.c (dwfl_frame_reg): New function.
51 * frame_unwind.c (__libdwfl_frame_reg_get): Return an int.
52 (state_get_reg): Removed.
53 (expr_eval): Use INTUSE (dwfl_frame_reg) instead of state_get_reg.
54 (handle_cfi): Likewise.
56 * linux-core-attach.c (core_set_initial_registers): Check
57 __libdwfl_frame_reg_get returns zero.
59 2022-07-28 Mark Wielaard <mark@klomp.org>
61 * core-file.c (elf_begin_rand): Replace struct ar_hdr h with
62 a char ar_size[AR_SIZE_CHARS + 1] array to read size.
64 2022-07-18 Shahab Vahedi <shahab@synopsys.com>
66 * debuginfod-client.c (dwfl_get_debuginfod_client stub):
67 Add a name to the sole parameter.
69 2022-07-13 Mark Wielaard <mark@klomp.org>
71 * debuginfod-client.c (dwfl_get_debuginfod_client): Add INTDEF.
72 (__libdwfl_debuginfod_find_executable): Use
73 INTUSE (dwfl_get_debuginfod_client).
74 (__libdwfl_debuginfod_find_debuginfo): Likewise.
76 2022-06-22 Milian Wolff <mail@milianw.de>
78 * libdwfl.h, debuginfod-client.c (dwfl_get_debuginfod_client):
79 Rename get_client to dwfl_get_debuginfod_client and make it public.
81 2022-05-15 Mark Wielaard <mark@klomp.org>
83 * libdwfl.h (dwfl_module_addrinfo): Update docs and nonnull
84 attribute to make clear offset and sym cannot be NULL.
86 2022-04-22 Mark Wielaard <mark@klomp.org>
88 * debuginfod-client.c (init_control): New static pthread_once_t.
89 (get_client): Use pthread_once to call __libdwfl_debuginfod_init.
90 (__libdwfl_debuginfod_init): Make static, remove attribute
93 2022-02-18 Mark Wielaard <mark@klomp.org>
95 * image-header.c (__libdw_image_header): Assign header values for
96 magic1, magic2, version, offset, length and sects using memcpy.
98 2022-02-18 Mark Wielaard <mark@klomp.org>
100 * offline.c (process_archive_member): Close member if process_file
103 2022-01-03 Mark Wielaard <mark@klomp.org>
105 * link_map.c (dwfl_link_map_report): Only declare d32 and d64 before
108 2022-01-03 Mark Wielaard <mark@klomp.org>
110 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
111 dyn_data and set xlatefrom.d_buf to dyns when dyns is not aligned.
113 2022-01-03 Mark Wielaard <mark@klomp.org>
115 * link_map.c (read_addrs): Fix buffer_available nb overflow.
117 2021-12-23 Mark Wielaard <mark@klomp.org>
119 * link_map.c (read_addrs): Calculate addr to read by hand.
121 2021-12-23 Mark Wielaard <mark@klomp.org>
123 * link_map.c (dwfl_link_map_report): Call memcpy and set in.d_buf to
124 out.d_buf before calling xlatetom for unaligned buffers.
126 2021-12-23 Mark Wielaard <mark@klomp.org>
128 * core-file.c (dwfl_elf_phdr_memory_callback): Check start <
129 elf->maximum_size and end - start < minread.
131 2021-12-20 Mark Wielaard <mark@klomp.org>
133 * dwfl_segment_report_module.c (dwfl_segment_report_module): Move
134 and initialize struct elf_build_id build_id early. Only free memory
135 early when no longer needed. Free memory if not NULL at out.
137 2021-12-19 Mark Wielaard <mark@klomp.org>
139 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
140 data and set xlatefrom.d_buf to notes when data is not aligned.
142 2021-12-19 Mark Wielaard <mark@klomp.org>
144 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
145 ph_buffer and set xlatefrom.d_buf to phdrsp when ph_buffer is not
148 2021-12-19 Mark Wielaard <mark@klomp.org>
150 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
151 buffer and set xlatefrom.d_buf to ehdr when buffer is not aligned.
153 2021-12-19 Mark Wielaard <mark@klomp.org>
155 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
156 notes filesz. Rewrite reading of GElf_Nhdr.
158 2021-12-08 Mark Wielaard <mark@klomp.org>
160 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make sure
161 that dyn_filesz can contain at least one Elf_Dyn and isn't larger than
164 2021-12-08 Mark Wielaard <mark@klomp.org>
166 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make sure
167 that ph_buffer_size has room for at least one phdr.
169 2021-12-08 Mark Wielaard <mark@klomp.org>
171 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make
172 sure the note len increases each iteration.
174 2021-12-17 Mark Wielaard <mark@klomp.org>
176 * libdwflP.h (dwfl_segment_report_module): Add maxread argument.
177 * core-file.c (dwfl_core_file_report): Pass elf->maximum_size to
178 dwfl_segment_report_module.
179 * dwfl_segment_report_module.c (dwfl_segment_report_module): Add
180 maxread argument. Check file_trimmed_end against maxread.
182 2021-12-16 Mark Wielaard <mark@klomp.org>
184 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
185 note data is properly aligned.
187 2021-12-16 Mark Wielaard <mark@klomp.org>
189 * link_map.c (dwfl_link_map_report): Make sure phnum is non-zero.
191 2021-12-16 Mark Wielaard <mark@klomp.org>
193 * link_map.c (dwfl_link_map_report): Make sure dyn_filesz / entsize is
196 2021-12-08 Mark Wielaard <mark@klomp.org>
198 * dwfl_segment_report_module.c (dwfl_segment_report_module): Add
199 len overflow check while iterating notes.
201 2021-12-15 Mark Wielaard <mark@klomp.org>
203 * link_map.c (dwfl_link_map_report): Make sure phent is either sizeof
204 Elf32_Phdr or sizeof Elf64_Phdr. Check in.d_size can hold at least one
207 2021-12-12 Mark Wielaard <mark@klomp.org>
209 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't
210 allocate more than SIZE_MAX.
212 2021-12-09 Mark Wielaard <mark@klomp.org>
214 * link_map.c (dwfl_link_map_report): Limit dyn_filesz malloc size
215 to max possible. When converting make sure we don't exceed the number
216 of bytes available in either in.d_buf or out.d_buf.
218 2021-12-08 Mark Wielaard <mark@klomp.org>
220 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
221 Dwfl_Module isn't associated with an Elf before installing it.
223 2021-12-08 Mark Wielaard <mark@klomp.org>
225 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't
228 2021-12-08 Mark Wielaard <mark@klomp.org>
230 * link_map.c (dwfl_link_map_report): Make sure phent != 0.
232 2021-12-08 Mark Wielaard <mark@klomp.org>
234 * link_map.c (dwfl_link_map_report): Limit malloc size to max
235 possible. When converting make sure we don't exceed the number
236 of bytes available in either in.d_buf nor out.d_buf.
238 2021-12-08 Mark Wielaard <mark@klomp.org>
240 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't
241 read beyond of (actual) end of (memory) file.
243 2021-11-18 Matthias Maennich <maennich@google.com>
245 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules):
246 Add one to modname array size.
248 2021-02-14 Alexander Miller <alex.miller@gmx.de>
250 * core-file.c (dwfl_core_file_report): Move NEW_VERSION before
251 definition. Replace INTDEF with NEW_INTDEF.
252 * dwfl_module_build_id.c (dwfl_module_build_id): Likewise.
253 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
255 2021-09-06 Dmitry V. Levin <ldv@altlinux.org>
257 * linux-pid-attach.c (read_cached_memory): Remove cast of malloc
260 2021-06-09 Omar Sandoval <osandov@fb.com>
262 * link_map.c (read_addrs): Fix potential NULL pointer dereference.
264 2021-04-19 Martin Liska <mliska@suse.cz>
266 * dwfl_frame.c (dwfl_attach_state): Use startswith.
267 * dwfl_module_getdwarf.c (find_symtab): Likewise.
268 * linux-kernel-modules.c: Likewise.
269 * linux-pid-attach.c (linux_proc_pid_is_stopped): Likewise.
270 (dwfl_linux_proc_attach): Likewise.
271 * relocate.c (resolve_symbol): Likewise.
272 (relocate_section): Likewise.
274 2021-02-01 Érico Nogueira <ericonr@disroot.org>
276 * dwfl_error.c (strerror_r): Only use the GNU version when available.
278 2021-01-08 Timm Bäder <tbaeder@redhat.com>
280 * elf-from-memory.c (elf_from_remote_memory): Add for loop over
281 switch. inline handle_segment call, set vaddr, offset and filesz
282 directly based on class.
284 2021-01-08 Timm Bäder <tbaeder@redhat.com>
286 * elf-from-memory.c (elf_from_remote_memory): Use if instead of
287 switch on class. Set new vaddr, memsz, offset and filesz
288 variables. Inline handle_segment function check and set loadbase,
289 found_base, segments_end and segments_end_mem directly.
291 2020-12-16 Dmitry V. Levin <ldv@altlinux.org>
293 * argp-std.c (_): Remove.
294 * libdwflP.h (_): Likewise.
296 2020-12-12 Dmitry V. Levin <ldv@altlinux.org>
298 * libdwfl.h: Fix spelling typos in comments.
299 * dwfl_module_getdwarf.c (open_elf, find_symtab): Likewise.
300 * dwfl_report_elf.c (__libdwfl_elf_address_range): Likewise.
301 * linux-pid-attach.c (read_cached_memory): Likewise.
303 2020-12-07 Timm Bäder <tbaeder@redhat.com>
305 * link_map.c (report_r_debug): Pull read_addrs() function into
308 2020-12-07 Timm Bäder <tbaeder@redhat.com>
310 * link_map.c (report_r_debug): Pull release_buffer() function into
311 file scope. Add memory_closure struct.
313 2020-12-08 Dmitry V. Levin <ldv@altlinux.org>
315 * debuginfod-client.c (__libdwfl_debuginfod_init): Replace
316 "libdebuginfod-" VERSION ".so" with DEBUGINFOD_SONAME in dlopen call.
317 Do not fall back to dlopen of "libdebuginfod.so".
319 2020-12-01 Timm Bäder <tbaeder@redhat.com>
321 * link_map.c (dwfl_link_map_report): Removed consider_phdr function
324 2020-11-28 Mark Wielaard <mark@klomp.org>
326 * dwfl_segment_report_module.c (dwfl_segment_report_module):
327 Use GElf_Addr to calculate note_vaddr instead of size_t.
329 2020-11-26 Timm Bäder <tbaeder@redhat.com>
331 * dwfl_segment_report_module.c (dwfl_segment_report_module):
332 Remove consider_notes function. Inline code for type == PT_NOTE.
334 2020-11-26 Timm Bäder <tbaeder@redhat.com>
336 * dwfl_segment_report_module.c (read_portion): New static function.
337 (dwfl_segment_report_module): Remove read_portion function.
338 Call static function with read_state, start and segment.
340 2020-11-26 Timm Bäder <tbaeder@redhat.com>
342 * dwfl_segment_report_module.c (struct read_state): New.
343 (finish_portion): New static function.
344 (dwfl_segment_report_module): Introduce read_state. Remove
345 finish_portion function. Call static function with read_state.
347 2020-11-23 Timm Bäder <tbaeder@redhat.com>
349 * segment_report_module.c (dwfl_segment_report_module): Remove
350 consider_phdr, do checks inline.
352 2020-11-23 Timm Bäder <tbaeder@redhat.com>
354 * segment_report_module.c (dwfl_segment_report_module): Remove
355 consider_dyn, do checks inline.
357 2020-11-23 Timm Bäder <tbaeder@redhat.com>
359 * segment_report_module.c (dwfl_segment_report_module): Do one
360 loop check for d32/d64 arrays.
362 2020-11-23 Timm Bäder <tbaeder@redhat.com>
364 * segment_report_module.c (dwfl_segment_report_module): Remove
365 read_phdr, do check and call memory_callback directly.
367 2020-11-23 Timm Bäder <tbaeder@redhat.com>
369 * segment_report_module.c (dwfl_segment_report_module): Do one
370 loop check for p32/p64 arrays.
372 2020-11-23 Timm Bäder <tbaeder@redhat.com>
374 * segment_report_module.c (dwfl_segment_report_module): Remove
375 final_read, call memory_callback directly.
377 2020-11-23 Timm Bäder <tbaeder@redhat.com>
379 * segment_report_module.c (struct elf_build_id): New.
380 (dwfl_segment_report_module): Pass build_id as struct.
382 2020-11-23 Timm Bäder <tbaeder@redhat.com>
384 * segment_report_module.c (dwfl_segment_report_module): Remove
385 release_buffer, call memory_callback directly.
387 2020-11-23 Timm Bäder <tbaeder@redhat.com>
389 * segment_report_module.c (dwfl_segment_report_module): Remove
390 segment_read, call memory_callback directly.
392 2020-11-19 Andreas Krebbel <krebbel@linux.ibm.com>
394 * linux-pid-attach.c (pid_memory_read): Shift the upper 4 bytes
395 down on big endian 64 bit targets.
397 2020-11-12 Timm Bäder <tbaeder@redhat.com>
399 * dwfl_segment_report_module.c (dwfl_segment_report_module): Remove
400 finish function, replace with goto out.
402 2020-11-12 Timm Bäder <tbaeder@redhat.com>
404 * dwfl_segment_report_module.c (dwfl_segment_report_module): Declare
405 p32 and p64 as pointers instead of arrays.
407 2020-09-18 Mark Wielaard <mark@klomp.org>
410 * libdwflP.h: Add DWFL_E_ZSTD and __libdw_unzstd.
411 * Makefile.am (libdwfl_a_SOURCES): add zstd.c if ZSTD.
412 * gzip.c: Add defines and includes for ZSTD.
413 (zlib_fail): Don't define for ZSTD.
414 (unzip): Change pread_retry failure from zlib_fail to fail.
416 * open.c (decompress): Also try __libdw_unzstd.
417 * linux-kernel-modules.c (check_suffix): Also TRY ".ko.zst".
419 2020-08-20 Dmitry V. Levin <ldv@altlinux.org>
421 * Makefile.am (libdwfl_a_SOURCES): Conditionalize
422 debuginfod-client.c on LIBDEBUGINFOD.
423 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Conditionalize
424 __libdwfl_debuginfod_find_executable invocation on
425 ENABLE_LIBDEBUGINFOD.
426 * dwfl_end.c (dwfl_end): Conditionalize __libdwfl_debuginfod_end
427 invocation on ENABLE_LIBDEBUGINFOD.
428 * find-debuginfo.c (dwfl_standard_find_debuginfo): Conditionalize
429 __libdwfl_debuginfod_find_debuginfo invocation on
430 ENABLE_LIBDEBUGINFOD.
431 * libdwflP.h: Guard debuginfod.h include with ENABLE_LIBDEBUGINFOD.
432 (struct Dwfl): Guard debuginfod field with ENABLE_LIBDEBUGINFOD.
433 (__libdwfl_debuginfod_find_executable,
434 __libdwfl_debuginfod_find_debuginfo, __libdwfl_debuginfod_end):
435 Guard declarations with ENABLE_LIBDEBUGINFOD.
437 2020-07-05 Mark Wielaard <mark@klomp.org>
439 * argp-std.c (parse_opt): Don't assert, but call fail when
440 dwfl_report_end fails.
441 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't
442 assert, but goto bad_id when snprintf fails.
443 * frame_unwind.c (__libdwfl_frame_unwind): Don't assert, but
444 return when dwfl_frame_pc fails.
445 * linux-core-attach.c (core_set_initial_registers): Don't assert,
446 but return false when gelf_getnote fails or the core note is not
448 * linux-pid-attach.c (dwfl_linux_proc_attach): Don't assert, but
449 goto fail when snprintf fails.
451 2020-06-16 Mark Wielaard <mark@klomp.org>
453 * frame_unwind.c (handle_cfi): Flag an error if
454 return_address_register is invalid.
456 2020-06-16 Mark Wielaard <mark@klomp.org>
458 * linux-kernel-modules.c (try_kernel_name): Don't try other
459 compressed kernels if we already found an compressed image.
461 2020-05-09 Mark Wielaard <mark@klomp.org>
463 * find-debuginfo.c (dwfl_standard_find_debuginfo): Return failure
466 2020-05-08 Mark Wielaard <mark@klomp.org>
468 * libdwfl/core-file.c (dwfl_core_file_report): Keep track of
469 new bool cleanup_user_core and cleanup dwfl->user_core in error
472 2020-04-30 Mark Wielaard <mark@klomp.org>
474 * find-debuginfo.c (dwfl_standard_find_debuginfo): When mod->dw
475 is already set then try fetching debugaltlink.
477 2020-04-25 Mark Wielaard <mark@klomp.org>
479 * gzip.c (open_stream): Return DWFL_E_NOMEM instead of calling
482 2020-04-16 Mark Wielaard <mark@klomp.org>
484 * find-debuginfo.c (dwfl_standard_find_debuginfo): Initialize bits
487 2020-01-24 Mark Wielaard <mark@klomp.org>
489 * linux-kernel-modules.c (find_kernel_elf): Check release isn't NULL.
490 (report_kernel): Check release and *release aren't NULL.
491 (report_kernel_archive): Likewise.
493 2019-12-11 Omar Sandoval <osandov@fb.com>
495 * libdwflP.h (Dwfl_Module): Remove coalescing state.
496 Rename lookup_tail_ndx to next_segndx.
497 * segment.c (dwfl_report_segment): Remove coalescing logic.
498 * libdwfl.h (dwfl_report_segment): Document that IDENT is ignored.
500 2019-12-05 Mark Wielaard <mark@klomp.org>
502 * linux-kernel-modules.c (find_kernel_elf): Also try to find
505 2019-10-28 Aaron Merey <amerey@redhat.com>
507 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Call debuginfod
508 client functions via dlopen to look for elf/dwarf files as fallback.
509 * find-debuginfo.c (dwfl_standard_find_debuginfo): Ditto.
511 2019-10-07 Omar Sandoval <osandov@fb.com>
513 * dwfl_frame.c (dwfl_getthreads): Get rid of unnecessary
514 thread_free_all_states calls.
516 (state_free): Remove function.
517 (thread_free_all_states): Remove function.
518 (free_states): Add function.
519 (dwfl_thread_getframes): Don't update thread->unwound while unwinding.
520 * libdwflP.h (struct Dwfl_Thread): Update comment for unwound member.
522 2019-08-12 Mark Wielaard <mark@klomp.org>
524 * gzip.c (open_stream): Return DWFL_E_ERRNO on bad file operation.
525 * open.c (libdw_open_elf): New argument bad_elf_ok. Check it and
526 return DWFL_E_NOERROR in case it is set and error was DWFL_E_BADELF.
527 (__libdw_open_file): Call libdw_open_elf with bad_elf_ok false.
528 (__libdw_open_elf): Call libdw_open_elf with bad_elf_ok true.
530 2019-08-05 Omar Sandoval <osandov@fb.com>
532 * dwfl_segment_report_module.c (dwfl_segment_report_module): Assign
535 2019-04-28 Mark Wielaard <mark@klomp.org>
537 * frame_unwind.c (expr_eval): Make sure we left shift a unsigned
540 2019-04-28 Mark Wielaard <mark@klomp.org>
542 * cu.c (addrarange): Only call realloc when naranges is not zero.
544 2019-03-27 Mark Wielaard <mark@klomp.org>
546 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
547 ph_buffer_size vs xlatefrom.d_size after read_portion call.
549 2019-02-24 Mark Wielaard <mark@klomp.org>
551 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before
553 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm.
555 2019-01-25 Yonghong Song <yhs@fb.com>
557 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to
558 read the inode number.
560 2019-01-20 Mark Wielaard <mark@klomp.org>
562 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
563 dyn_filesz vs dyn_data_size after read_portion call.
565 2019-01-16 Mark Wielaard <mark@klomp.org>
567 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note.
568 (core_set_initial_registers): Likewise.
570 2018-10-23 Mark Wielaard <mark@klomp.org>
572 * relocate.c (relocate_section): Only sanity check mmapped Elf files
573 for overlap. Don't error when section data was malloced, not mmapped.
575 2018-10-20 Mark Wielaard <mark@klomp.org>
577 * libdwflP.h (__libdw_open_elf): New internal function declaration.
578 * open.c (what_kind): Rename close_fd to may_close_fd.
579 (__libdw_open_file): Replaced (and renamed) by a call to ...
580 (libdw_open_elf): this. And add never_close_fd argument.
581 (__libdw_open_elf): New function that calls libdw_open_elf.
583 2018-10-18 Mark Wielaard <mark@klomp.org>
585 * dwfl_segment_report_module.c (consider_note): Take align as new
586 argument. Use align to set d_type and calculate padding.
587 (dwfl_segment_report_module): Pass align to consider_notes.
588 * core-file.c (dwfl_core_file_report): Check p_align to set ELF
590 * linux-kernel-modules.c (check_notes): Check name and type of note
591 to determine padding.
593 2018-10-19 Mark Wielaard <mark@klomp.org>
595 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero.
597 2018-10-14 Mark Wielaard <mark@klomp.org>
599 * dwfl_segment_report_module.c (read_portion): Check requested
600 filesz isn't larger than buffer_available.
601 (dwfl_segment_report_module): Check data_size vs filesz after
604 2018-10-02 Andreas Schwab <schwab@suse.de>
606 * relocate.c (relocate): Handle ADD/SUB relocations.
608 2018-09-13 Mark Wielaard <mark@klomp.org>
610 * dwfl_segment_report_module.c (dwfl_segment_report_module):
611 Document why we use e_shnum directly.
612 * elf-from-memory.c (elf_from_remote_memory): Likewise.
614 2018-07-17 Ulf Hermann <ulf.hermann@qt.io>
616 * linux-pid-attach.c: Include sys/uio.h only on linux.
618 2018-06-04 Mark Wielaard <mark@klomp.org>
620 * libdwflP.h (__libdwfl_addrsym): Remove function declaration.
621 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function.
623 2018-05-27 Mark Wielaard <mark@klomp.org>
625 * relocate.c (__libdwfl_relocate): Always call relocate_section with
628 2018-05-17 Mark Wielaard <mark@klomp.org>
630 * dwfl_module (__libdwfl_module_free): Free elfdir.
631 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after
632 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the
633 main module file and we recorded the elfdir.
634 * libdwflP.h (struct Dwfl_Module): Add elfdir field.
635 * offline.c (process_elf): Record the elfdir before we close the
636 main ELF file descriptor.
638 2018-04-10 Mark Wielaard <mark@klomp.org>
640 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for
641 the return address either set an error or mark the pc undefined.
643 2018-03-17 Mark Wielaard <mark@klomp.org>
645 * libdwflP.h (struct __libdwfl_remote_mem_cache): New.
646 (struct __libdwfl_pid_arg): Add mem_cache field.
647 * linux-pid-attach.c (read_cached_memory): New function.
648 (clear_cached_memory): Likewise.
649 (pid_memory_read): Call read_cached_memory.
650 (pid_detach): Free mem_cache.
651 (pid_thread_detach): Call clear_cached_memory.
652 (dwfl_linux_proc_attach): Initialize mem_cache to NULL.
654 2018-03-05 Mark Wielaard <mark@klomp.org>
656 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use
657 realpath (name, NULL) instead of canonicalize_file_name (name).
658 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise.
660 2018-01-29 Mark Wielaard <mark@klomp.org>
662 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of
663 DIE_OFFSET_FROM_CU_OFFSET.
664 (intern_cu): Simply use a copy of the given die CU as key instead of
665 trying to construct a dummy one by hand.
667 2018-02-15 Mark Wielaard <mark@klomp.org>
669 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h.
671 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
673 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
674 macro instead of comment.
675 * frame_unwind.c (expr_eval): Likewise.
677 2017-11-20 Mark Wielaard <mark@klomp.org>
679 * link_map.c (do_check64): Take a char * and calculate type and val
680 offsets before reading, possibly unaligned, values.
681 (do_check32): Likewise.
682 (check64): Remove define.
684 (auxv_format_probe): Call do_check32 and do_check64 directly with
685 a, possibly unaligned, auxv entry pointer.
686 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
687 possibly unaligned auxv entry pointer.
689 2017-10-16 Mark Wielaard <mark@klomp.org>
691 * argp-std.c (parse_opt): For -k call argp_failure not failure to
694 2017-07-26 Yunlian Jiang <yunlian@google.com>
696 * argp-std.c (failure): Move to file scope.
699 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
700 Mark Wielaard <mark@klomp.org>
702 * derelocate.c (compare_secrefs): Compare by end address and then by
703 section number if addresses are equal.
705 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
706 Mark Wielaard <mark@klomp.org>
708 * linux-kernel-modules.c: Always return NULL from kernel_release() on
709 non-linux systems and set errno to ENOTSUP.
711 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
713 * libdwflP.h: Don't include config.h.
714 * argp-std.c: Include config.h.
716 * derelocate.c: Likewise.
717 * dwfl_addrdie.c: Likewise.
718 * dwfl_addrdwarf.c: Likewise.
719 * dwfl_addrmodule.c: Likewise.
720 * dwfl_begin.c: Likewise.
721 * dwfl_build_id_find_debuginfo.c: Likewise.
722 * dwfl_build_id_find_elf.c: Likewise.
723 * dwfl_cumodule.c: Likewise.
724 * dwfl_dwarf_line.c: Likewise.
725 * dwfl_end.c: Likewise.
726 * dwfl_frame.c: Likewise.
727 * dwfl_frame_regs.c: Likewise.
728 * dwfl_getdwarf.c: Likewise.
729 * dwfl_getmodules.c: Likewise.
730 * dwfl_getsrc.c: Likewise.
731 * dwfl_getsrclines.c: Likewise.
732 * dwfl_line_comp_dir.c: Likewise.
733 * dwfl_linecu.c: Likewise.
734 * dwfl_lineinfo.c: Likewise.
735 * dwfl_linemodule.c: Likewise.
736 * dwfl_module.c: Likewise.
737 * dwfl_module_addrdie.c: Likewise.
738 * dwfl_module_addrname.c: Likewise.
739 * dwfl_module_addrsym.c: Likewise.
740 * dwfl_module_build_id.c: Likewise.
741 * dwfl_module_dwarf_cfi.c: Likewise.
742 * dwfl_module_eh_cfi.c: Likewise.
743 * dwfl_module_getdarf.c: Likewise.
744 * dwfl_module_getelf.c: Likewise.
745 * dwfl_module_getsrc.c: Likewise.
746 * dwfl_module_getsrc_file.c: Likewise.
747 * dwfl_module_getsym.c: Likewise.
748 * dwfl_module_info.c: Likewise.
749 * dwfl_module_nextcu.c: Likewise.
750 * dwfl_module_register_names.c: Likewise.
751 * dwfl_module_report_build_id.c: Likewise.
752 * dwfl_module_return_value_location.c: Likewise.
753 * dwfl_nextcu.c: Likewise.
754 * dwfl_onesrcline.c: Likewise.
755 * dwfl_report_elf.c: Likewise.
756 * dwfl_validate_address.c: Likewise.
757 * dwfl_version.c: Likewise.
758 * find-debuginfo.c: Likewise.
760 * image-header.c: Likewise.
762 * linux-core-attach.c: Likewise.
763 * linux-pid-attach.c: Likewise.
764 * offline.c: Likewise.
766 * relocate.c: Likewise.
767 * segment.c: Likewise.
769 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
771 * libdwfl.h: Use __const_attribute__.
773 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
775 * elf-from-memory.c: Explicitly cast phnum to size_t.
777 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
779 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
782 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
784 * dwfl_frame.c: Drop unused sys/ptrace.h include.
785 * frame_unwind.c: Likewise.
786 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
789 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
791 * linux-kernel-modules.c: Include sys/types.h before fts.h
793 2017-03-24 Mark Wielaard <mark@klomp.org>
795 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
796 the note name data is the empty string.
797 (dwfl_core_file_attach): Likewise.
799 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
801 * linux-kernel-modules.c: Include system.h.
803 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
805 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
806 * linux-proc-maps.c: Likewise.
808 2016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
810 * dwfl_build_id_find_elf.c: Include system.h.
811 * dwfl_module_getdwarf.c: Likewise.
812 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
814 2016-11-23 Mark Wielaard <mjw@redhat.com>
816 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
819 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
821 * core-file.c: Remove sys/param.h.
822 * dwfl_segment_report_module.c: Likewise. Add system.h include.
823 (MAX): Remove definition.
824 * frame_unwind.c: Add system.h include.
825 (MAX): Remove definition.
826 * linux-core-attach.c (MIN): Remove definition.
827 * linux-pid-attach.c (MAX): Likewise.
829 2016-08-12 Mark Wielaard <mjw@redhat.com>
831 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
833 2016-04-14 Mark Wielaard <mjw@redhat.com>
835 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
836 on invalid DWARF if we allocated it.
838 2016-04-14 Mark Wielaard <mjw@redhat.com>
840 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
843 2016-03-01 Steven Chamberlain <steven@pyro.eu.org>
845 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
846 pid_thread_detach, pid_detach, pid_set_initial_registers,
847 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
850 2016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
851 Mark Wielaard <mjw@redhat.com>
853 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
854 debuglink_file is NULL. Try file basename (without .debug) ofr
855 absolute and relative path if debug_file was NULL.
856 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
857 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
860 2016-02-13 Mark Wielaard <mjw@redhat.com>
862 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
864 2016-02-13 Mark Wielaard <mjw@redhat.com>
866 * frame_unwind.c (new_unwound): Check and return unwound.
867 (handle_cfi): Check new_unwound was able to allocate new memory
868 before use. Return DWFL_E_NOMEM otherwise.
870 2016-02-11 Mark Wielaard <mjw@redhat.com>
872 * relocate.c (relocate_section): Check result of all gelf_get* calls.
873 (__libdwfl_relocate): Likewise.
874 (__libdwfl_relocate_section): Likewise.
876 2016-02-11 Mark Wielaard <mjw@redhat.com>
878 * relocate.c (relocate_section): Check result of gelf_update_* calls.
880 2016-01-08 Mark Wielaard <mjw@redhat.com>
882 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
883 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
885 (try_kernel_name): Likewise.
886 (check_suffix): Likewise.
887 * open.c (decompress): Likewise.
889 2015-12-18 Mark Wielaard <mjw@redhat.com>
891 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
892 sections and aux_str, aux_xndx and aux_sym sections if necessary.
893 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
895 (resolve_symbol): Uncompress strtab section if necessary.
896 (relocate_section): Uncompress the section the relocations apply to
899 2015-11-18 Chih-Hung Hsieh <chh@google.com>
901 * linux-proc-maps.c (proc_maps_report): Move nested function
902 'report' to file scope.
904 2015-11-18 Chih-Hung Hsieh <chh@google.com>
906 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
908 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
909 'update_end' and 'more' to file scope.
911 2015-11-17 Chih-Hung Hsieh <chh@google.com>
913 * link_map.c (auxv_format_probe): Move nested functions
914 check64 and check32 to file scope.
916 2015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
918 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
919 the value of the return address register as defined by the CFI
921 * frame_unwind.c (handle_cfi): Likewise.
923 2015-12-01 Mark Wielaard <mjw@redhat.com>
925 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
926 from exec or memory_callback, free as appropriate.
928 2015-12-01 Mark Wielaard <mjw@redhat.com>
930 * libdwflP.h (struct Dwfl_User_Core): New.
931 (struct DWfl): Replace executable_for_core with user_core.
932 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
933 * core-file.c (dwfl_core_file_report): Check and store
934 executable_for_core in Dwfl user_core.
935 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
936 executable_for_core in Dwfl user_core.
937 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
938 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
940 (dwfl_link_map_report): Likewise.
942 2015-11-16 Chih-Hung Hsieh <chh@google.com>
944 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
945 function 'consider_shdr' to file scope.
946 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
947 'translate_offs' to file scope.
949 2015-11-16 Chih-Hung Hsieh <chh@google.com>
951 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
952 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
955 2015-11-19 Mark Wielaard <mjw@redhat.com>
957 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
958 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
961 2015-11-13 Chih-Hung Hsieh <chh@google.com>
963 * gzip.c (unzip): Move nested functions to file scope.
965 2015-10-21 Chih-Hung Hsieh <chh@google.com>
966 Mark Wielaard <mjw@redhat.com>
968 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
969 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
970 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
973 2015-10-21 Chih-Hung Hsieh <chh@google.com>
975 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
976 to file scope. Pass used local variables in struct eval_stack.
978 2015-10-21 Chih-Hung Hsieh <chh@google.com>
980 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
983 2015-10-09 Josh Stone <jistone@redhat.com>
985 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
986 * open.c (decompress): Replace off64_t with off_t.
987 * gzip.c (unzip): Likewise.
988 * image-header.c (__libdw_image_header): Likewise.
989 * libdwflP.h: Likewise in function declarations.
990 * argp-std.c (parse_opt): Replace open64 with open.
991 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
992 dwfl_build_id_find_elf): Likewise.
993 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
994 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
995 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
996 * link_map.c (report_r_debug): Likewise.
997 * offline.c (dwfl_report_offline): Likewise.
998 * linux-proc-maps.c (grovel_auxv, get_pid_class,
999 dwfl_linux_proc_find_elf): Likewise.
1000 (read_proc_memory): Replace off64_t with off_t.
1001 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
1002 fstat64 with stat and fstat.
1003 (try_open): Likewise, and replace open64 with open.
1004 * linux-kernel-modules.c: Manually define open and fopen to open64 and
1005 fopen64 when needed, since the early fts.h include breaks that.
1006 (try_kernel_name): Replace open64 with open.
1007 (check_notes): Likewise.
1009 2015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
1011 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
1012 pread, as the later doesn't accept negative offsets.
1014 2015-10-07 Mark Wielaard <mjw@redhat.com>
1016 * dwfl_module_getdwarf.c (MAX): Removed.
1017 (find_prelink_address_sync): Allocate exact amount of bytes for
1019 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1021 * elf-from-memory.c (MAX): Removed.
1022 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
1024 2015-10-05 Chih-Hung Hsieh <chh@google.com>
1026 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
1027 union of variable length arrays.
1028 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1029 * elf-from-memory.c (elf_from_remote_memory): Likewise.
1030 * link_map.c (auxv_format_probe): Likewise.
1031 * link_map.c (report_r_debug): Likewise.
1032 * link_map.c (dwfl_link_map_report): Likewise.
1034 2015-09-18 Chih-Hung Hsieh <chh@google.com>
1036 * relocate.c (relocate_section): Move nested function "relocate"
1037 to file scope, pass all used local variables as constants.
1038 Move nested "check_badreltype" to file scope, pass addresses of
1039 updated used local variables.
1040 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
1041 "read_address" to file scope, pass all updated local variables in
1043 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
1044 function "subst_name" to file scope, pass all used local variables
1046 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
1047 simple nested function "report" with a macro. Work around gcc static
1048 analysis error -Werror=maybe-uninitialized.
1050 2015-09-22 Mark Wielaard <mjw@redhat.com>
1052 * core-file.c: Remove old-style function definitions.
1053 * dwfl_error.c: Likewise.
1054 * dwfl_module_dwarf_cfi.c: Likewise.
1055 * dwfl_module_eh_cfi.c: Likewise.
1056 * dwfl_module_register_names.c: Likewise.
1057 * dwfl_module_return_value_location.c: Likewise.
1058 * dwfl_version.c: Likewise.
1060 2015-09-09 Chih-Hung Hsieh <chh@google.com>
1061 Mark Wielaard <mjw@redhat.com>
1063 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
1064 on parameters declared with __nonnull_attribute__.
1065 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
1068 2015-09-08 Mark Wielaard <mjw@redhat.com>
1070 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
1071 * linux-pid-attach.c (pid_detach): Call elf_end and close.
1072 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
1074 2015-09-04 Chih-Hung Hsieh <chh@google.com
1076 * frame_unwind.c (expr_eval): Use llabs instead of abs.
1078 2015-08-14 Dodji Seketeli <dodji@seketeli.org>
1080 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
1081 debug info file named debuglink_file under
1082 mod->dwfl->callbacks->debuginfo_path, by looking at
1083 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
1084 which is common to the set of non-absolute parent trees of
1087 2015-06-18 Mark Wielaard <mjw@redhat.com>
1089 * find-debuginfo.c (try_open): Free fname on all failure paths.
1091 2015-06-18 Mark Wielaard <mjw@redhat.com>
1093 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
1094 sh_entsize is not zero.
1096 2015-06-06 Mark Wielaard <mjw@redhat.com>
1098 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
1099 localname and file_dirname.
1101 2015-06-06 Mark Wielaard <mjw@redhat.com>
1103 * derelocate.c (cache_sections): Free sortrefs.
1105 2015-06-05 Mark Wielaard <mjw@redhat.com>
1107 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1108 If the note_file exists, but the build_id doesn't match discard
1109 the file and continue reporting.
1111 2015-06-01 Mark Wielaard <mjw@redhat.com>
1113 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
1114 pointer before passing to strsep.
1116 2015-05-30 Mark Wielaard <mjw@redhat.com>
1118 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
1120 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
1123 2015-05-30 Mark Wielaard <mjw@redhat.com>
1125 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
1126 not NULL before calling canonicalize_file_name.
1128 2015-05-24 Mark Wielaard <mjw@redhat.com>
1130 * derelocate.c (check_module): Check mod is not NULL.
1132 2015-05-22 Mark Wielaard <mjw@redhat.com>
1134 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
1135 malloc instead of stack allocating. Call free when done with data.
1137 2015-05-22 Mark Wielaard <mjw@redhat.com>
1139 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1140 Allocate phdrs with malloc, not on stack. free in finish.
1141 Allocate dyn with malloc, not on stack, free after use.
1143 2015-05-22 Mark Wielaard <mjw@redhat.com>
1145 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
1146 instead of alloca or strdupa, local strings of unknown size.
1147 Call free before return.
1149 2015-05-22 Mark Wielaard <mjw@redhat.com>
1151 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
1152 error when id_len too small or too large. strdup, not strdupa,
1153 and free path when done.
1155 2015-05-19 Mark Wielaard <mjw@redhat.com>
1157 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
1158 phdrs on the stack. Allocate with malloc and free when done.
1160 2015-05-19 Mark Wielaard <mjw@redhat.com>
1162 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
1163 free alternate_name.
1165 2015-05-19 Mark Wielaard <mjw@redhat.com>
1167 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
1168 stack allocate name. Only change chars up to suffix.
1170 2015-05-18 Mark Wielaard <mjw@redhat.com>
1172 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
1173 phdrs and shdrs unions with malloc, not alloca. Free after use.
1175 2015-05-18 Mark Wielaard <mjw@redhat.com>
1177 * derelocate.c (cache_sections): Allocate temporary newrefs and
1178 sortrefs with malloc, not alloca. Always free them on return.
1180 2015-05-07 Mark Wielaard <mjw@redhat.com>
1182 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
1183 Dwarf_Die before interning. Explicitly check EOF is expected.
1185 2015-05-05 Mark Wielaard <mjw@redhat.com>
1187 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
1189 2015-05-06 Roland McGrath <roland@hack.frob.com>
1191 * dwfl_error.c (struct msgtable): Break type definition out of
1192 the 'msgtable' initializer.
1193 (msgtable): Make it a union of struct msgtable and a char array.
1194 (msgstr): Use the full-table char array rather than the msg_0 entry.
1196 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
1198 * core-file.c (_compat_without_executable_dwfl_core_file_report):
1199 Guard with SYMBOL_VERSIONING.
1200 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
1202 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
1205 2015-04-02 Mark Wielaard <mjw@redhat.com>
1207 * segment.c (insert): Check correct number of lookup_elts.
1209 2015-03-31 Mark Wielaard <mjw@redhat.com>
1211 * core-file.c (core_file_read_eagerly): Special case small images.
1213 2015-01-26 Mark Wielaard <mjw@redhat.com>
1215 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
1216 syments and first_global on elferr before calling find_dynsym.
1218 2014-12-27 Mark Wielaard <mjw@redhat.com>
1220 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
1221 has end_sequence set.
1223 2015-01-04 Mark Wielaard <mjw@redhat.com>
1225 * cu.c (intern_cu): Store result and return directly when finding
1227 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
1229 2014-12-19 Mark Wielaard <mjw@redhat.com>
1231 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
1233 2014-12-19 Mark Wielaard <mjw@redhat.com>
1235 * elf-from-memory.c (handle_segment): Remove palign sanity check.
1237 2014-12-18 Mark Wielaard <mjw@redhat.com>
1239 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
1241 2014-12-13 Mark Wielaard <mjw@redhat.com>
1243 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
1244 a size_t, make sure it doesn't overflow.
1246 2014-12-13 Mark Wielaard <mjw@redhat.com>
1248 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
1249 wrap around before returning as int.
1251 2014-12-11 Josh Stone <jistone@redhat.com>
1253 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
1254 record <= addr, rather than returning immediately on matches.
1256 2014-12-09 Mark Wielaard <mjw@redhat.com>
1258 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
1261 2014-12-07 Mark Wielaard <mjw@redhat.com>
1263 * relocate.c (relocate_section): Sanity check section overlap against
1264 actually used ehsize, shentsize and phentsize.
1266 2014-12-07 Mark Wielaard <mjw@redhat.com>
1268 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
1269 * relocate.c (__libdwfl_relocate_value): Don't relocate against
1272 2014-11-29 Mark Wielaard <mjw@redhat.com>
1274 * relocate.c (relocate_section): Check relocation section and target
1275 section data don't overlap any of the ELF headers.
1276 (relocate): Check for offset + size overflow.
1278 2014-11-22 Mark Wielaard <mjw@redhat.com>
1280 * link_map.c (consider_executable): Use elf_getphdrnum.
1281 (dwfl_link_map_report): Likewise.
1283 2014-11-18 Mark Wielaard <mjw@redhat.com>
1285 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
1286 number of symbols and first_global before use.
1288 2014-11-14 Mark Wielaard <mjw@redhat.com>
1290 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
1293 2014-11-10 Mark Wielaard <mjw@redhat.com>
1295 * dwfl_module_getdwarf.c (find_dynsym): New inner function
1296 translate_offs that takes an adjust argument. Try finding
1297 the symbol table with and without adjusting to main_bias.
1299 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1301 Support NT_FILE for locating files.
1302 * core-file.c (dwfl_core_file_report): New variables note_file and
1303 note_file_size, set them and pass them to dwfl_segment_report_module.
1304 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
1305 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
1306 (invalid_elf): New function from code of dwfl_segment_report_module.
1307 (dwfl_segment_report_module): Add parameters note_file and
1308 note_file_size. New variables elf and fd, clean them up in finish.
1309 Move some code to invalid_elf. Call handle_file_note, if it found
1310 a name verify the file by invalid_elf. Protect elf and fd against
1311 cleanup by finish if we found the file for new Dwfl_Module.
1312 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
1315 2014-09-23 Mark Wielaard <mjw@redhat.com>
1317 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1318 Extract ei_class, ei_data and e_type early and use the result.
1320 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1322 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
1323 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
1325 * libdwflP.h (struct Dwfl_Module): New field is_executable.
1327 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
1329 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
1331 (find_dynsym): Pass the new parameter main_bias.
1333 2014-08-14 Mark Wielaard <mjw@redhat.com>
1335 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
1337 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
1339 Fix report_r_debug for prelinked libraries.
1340 * link_map.c (report_r_debug): Comment out variable l_addr.
1341 Use instead new variable base recalculated from l_ld.
1343 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
1345 * linux-pid-attach.c: Make it build on non linux hosts.
1347 2014-06-17 Mark Wielaard <mjw@redhat.com>
1349 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
1350 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
1352 2014-06-15 Mark Wielaard <mjw@redhat.com>
1354 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
1355 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
1356 to read possibly unaligned data.
1357 (core_next_thread): Likewise.
1358 (core_set_initial_registers): Likewise.
1359 (dwfl_core_file_attach): Likewise.
1361 2014-06-11 Mark Wielaard <mjw@redhat.com>
1363 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
1364 (dwfl_attach_state): Set dwfl->attacherr.
1365 (dwfl_pid): Check and return dwfl->attacherr if set.
1366 (dwfl_getthreads): Likewise.
1367 (getthread): Likewise.
1368 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
1369 (struct Dwfl): Add attacherr field.
1370 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
1371 Don't assert if ELF file is not ET_CORE, just return error.
1372 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
1374 2014-06-10 Mark Wielaard <mjw@redhat.com>
1376 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
1377 or dwfl_linux_proc_attach.
1379 2014-05-15 Mark Wielaard <mjw@redhat.com>
1381 * linux-proc-maps.c (grovel_auxv): Close fd on error.
1383 2014-05-02 Mark Wielaard <mjw@redhat.com>
1385 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
1388 2014-05-01 Mark Wielaard <mjw@redhat.com>
1390 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
1391 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
1392 (__libdwfl_open_by_build_id): New declaration that takes an explicit
1394 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
1395 we already have the Dwarf then look for the alt dwz multi file by
1397 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
1398 build-id we are looking for as argument.
1399 (__libdwfl_open_mod_by_build_id): New function, calls
1400 __libdwfl_open_by_build_id.
1401 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
1402 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
1403 close alt_fd if necessary.
1404 * dwfl_module_getdwarf.c (__check_build_id): Removed.
1405 (try_debugaltlink): Removed.
1406 (open_debugaltlink): Removed.
1407 (open_elf_file): First half of open_elf that just opens the elf
1408 file but doesn't setup the load address.
1409 (open_elf): Call open_elf_file.
1410 (find_debug_altlink): New function.
1411 (load_dw): Remove loading of dwz multifile.
1412 (find_dw): Call find_debug_altlink.
1413 * find-debuginfo.c (validate): Handle alt debug case using
1414 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
1415 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
1417 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
1418 to store name to find by dwfl_standard_find_debuginfo instead of
1419 allocating an extra variable on stack.
1421 2014-04-30 Mark Wielaard <mjw@redhat.com>
1423 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
1424 dwelf_elf_gnu_build_id.c.
1425 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
1426 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
1427 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
1428 * dwfl_module_getdwarf.c (__check_build_id): Implement using
1429 dwelf_elf_gnu_build_id.
1431 2014-04-15 Florian Weimer <fweimer@redhat.com>
1433 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
1434 (try_debugaltlink): Likewise.
1435 (open_debugaltlink): Likewise.
1436 (load_dw): Locate alternate debug information using
1437 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
1439 2014-04-11 Mark Wielaard <mjw@redhat.com>
1441 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
1442 * libdwflP.h: Include libdwelfP.h.
1443 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
1444 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
1446 2014-04-22 Mark Wielaard <mjw@redhat.com>
1448 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
1450 (__libdwfl_frame_reg_set): Likewise.
1452 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
1454 * linux-pid-attach.c: Make linux only.
1456 2014-03-14 Mark Wielaard <mjw@redhat.com>
1458 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
1459 Remove libelf and libdw definitions when MUDFLAP is defined.
1460 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
1462 2014-03-03 Mark Wielaard <mjw@redhat.com>
1464 * elf-from-memory.c (elf_from_remote_memory): Keep track of
1465 segments_end_mem. Pass memsz to first handle_segment pass. Only
1466 extend contents_size and use shdrs if only file bits are in
1469 2014-03-11 Josh Stone <jistone@redhat.com>
1471 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
1472 mod->e_type when processing the main ELF file.
1474 2014-03-04 Mark Wielaard <mjw@redhat.com>
1476 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
1477 linux-pid-attach.c (struct pid_arg).
1478 (__libdwfl_get_pid_arg): New internal function declaration.
1479 (__libdwfl_ptrace_attach): Likewise.
1480 (__libdwfl_ptrace_detach): Likewise.
1481 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
1482 special exception modules that cannot be checked at this point.
1483 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
1484 (ptrace_attach): Renamed to...
1485 (__libdwfl_ptrace_attach): New internal function.
1486 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
1487 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
1488 (__libdwfl_get_pid_arg): New internal function.
1489 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
1490 module name contains "(deleted)" and dwfl_pid gives an attached
1491 pid. If pid is set and try to (re)use ptrace attach state of
1492 process before reading memory.
1494 2014-03-03 Mark Wielaard <mjw@redhat.com>
1496 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
1497 argument. Free buffer when detecting bad elf. Check PT_LOAD
1498 alignment requirements on first handle_segment pass. Calculate
1499 loadbase, start and end of segment using pagesize, not p_align.
1500 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
1501 to elf_from_remote_memory.
1503 2014-02-26 Mark Wielaard <mjw@redhat.com>
1505 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
1507 2014-02-26 Mark Wielaard <mjw@redhat.com>
1509 * elf-from-memory.c (elf_from_remote_memory): Check against p64
1510 p_type in case ELFCLASS64, not against p32 p_type.
1512 2014-01-17 Petr Machata <pmachata@redhat.com>
1514 * relocate.c (relocate_section): Use gelf_fsize instead of relying
1515 on shdr->sh_entsize.
1517 2014-01-05 Mark Wielaard <mjw@redhat.com>
1519 * frame_unwind.c (handle_cfi): Only skip resetting return register
1520 if the regno is not the actual CIE return address register.
1522 2014-01-02 Mark Wielaard <mjw@redhat.com>
1524 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
1526 2013-12-30 Mark Wielaard <mjw@redhat.com>
1528 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
1529 dwfl_core_file_attach explicitly.
1530 * core-file.c (dwfl_core_file_report): Don't call
1531 __libdwfl_attach_state_for_core implicitly.
1532 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
1533 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
1534 process_attach_error.
1535 (dwfl_getthreads): Likewise.
1536 (getthread): Likewise.
1537 * libdwfl.h (dwfl_core_file_report): Update documentation.
1538 (dwfl_linux_proc_report): Likewise.
1539 (dwfl_core_file_attach): New function declaration.
1540 (dwfl_linux_proc_attach): Likewise.
1541 * libdwflP.h (struct Dwfl): Remove process_attach_error.
1542 (__libdwfl_attach_state_for_pid): Removed declaration.
1543 (__libdwfl_attach_state_for_core): Likewise.
1544 (dwfl_core_file_attach): New internal declaration.
1545 (dwfl_linux_proc_attach): Likewise.
1546 (attach_state_for_core): Renamed to...
1547 (dwfl_core_file_attach): ...this. Change return type.
1548 (__libdwfl_attach_state_for_core): Removed.
1549 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
1550 (pid_set_initial_registers): Check assume_ptrace_stopped before
1552 (pid_thread_detach): Likewise.
1553 (__libdwfl_attach_state_for_pid): Renamed to...
1554 (dwfl_linux_proc_attach): ...this. Adjust return type.
1555 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
1556 __libdwfl_attach_state_for_pid implicitly.
1558 2013-12-28 Mark Wielaard <mjw@redhat.com>
1560 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
1561 character device files, only regular files.
1563 2013-12-24 Mark Wielaard <mjw@redhat.com>
1565 * linux-core-attach.c (core_next_thread): Check whether thread_argp
1566 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
1567 in that case. Free thread_arg if there are no more threads.
1569 2013-12-23 Mark Wielaard <mjw@redhat.com>
1571 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
1572 build_id before returning early.
1574 2013-12-23 Mark Wielaard <mjw@redhat.com>
1576 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
1577 pid (thread group leader) to dwfl_attach_state.
1579 2013-12-21 Mark Wielaard <mjw@redhat.com>
1581 * frame_unwind.c (handle_cfi): Track whether the return register
1582 has been set and only allow it to be set once.
1584 2013-12-20 Mark Wielaard <mjw@redhat.com>
1586 * dwfl_frame.c (one_arg): New struct.
1587 (get_one_thread_cb): New function.
1588 (dwfl_getthread): Likewise.
1589 (one_thread): New struct.
1590 (get_one_thread_frames_cb): New function.
1591 (dwfl_getthread_frames): Likewise.
1592 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
1593 (dwfl_getthread_frames): Likewise.
1594 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
1595 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
1597 * linux-pid-attach.c (pid_getthread): New function.
1598 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
1600 2013-12-20 Mark Wielaard <mjw@redhat.com>
1602 * linux-kernel-modules.c (report_kernel_archive): Correct nested
1603 asprintf result check for debug.a.
1605 2013-12-18 Mark Wielaard <mjw@redhat.com>
1607 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
1608 * dwfl_module_addrname.c (dwfl_module_addrname): Use
1609 dwfl_module_addrinfo.
1610 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
1611 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
1612 for comparisons, not st_value. Fill in off. Search for both value
1613 and the (adjusted) sym.st_value when different.
1614 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
1615 (dwfl_module_addrinfo): New function.
1616 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
1617 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
1618 and possible. Adjust sym->st_value only when requested. Fill in addr
1620 (dwfl_module_getsym_info): New function.
1621 (dwfl_module_getsym): Use __libdwfl_getsym.
1622 * libdwfl.h (dwfl_module_getsym_elf): Removed.
1623 (dwfl_module_getsym_info): New function declaration.
1624 (dwfl_module_addrinfo): Likewise.
1625 (dwfl_module_addrsym): Add documentation describing differences
1626 with addrinfo variants.
1627 (dwfl_module_addrsym_elf): Removed.
1628 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
1629 (__libdwfl_addrsym): Likewise.
1630 (__libdwfl_find_section_ndx): Likewise.
1631 (dwfl_module_addrinfo): New internal declaration.
1632 (dwfl_module_getsym_info): Likewise.
1633 (dwfl_module_addrsym_elf): Removed.
1634 (dwfl_module_getsym_elf): Likewise.
1636 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1638 * argp-std.c (offline_find_elf): Remove.
1639 (offline_callbacks): Use dwfl_build_id_find_elf instead.
1640 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
1643 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1645 unwinder: s390 and s390x
1646 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
1647 * frame_unwind.c (new_unwound): New function from ...
1648 (handle_cfi): ... here. Call it.
1649 (setfunc, getfunc, readfunc): New functions.
1650 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
1651 * linux-core-attach.c (core_set_initial_registers): Always iterate
1652 through the Ebl_Register_Location loop. Call
1653 dwfl_thread_state_register_pc there.
1655 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1657 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
1659 2013-12-17 Mark Wielaard <mjw@redhat.com>
1661 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
1664 2013-12-16 Mark Wielaard <mjw@redhat.com>
1666 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
1668 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
1670 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1671 function definition.
1672 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1674 2013-12-14 Mark Wielaard <mjw@redhat.com>
1676 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1677 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1678 * frame_unwind.c (handle_cfi): Free frame result from
1679 dwarf_cfi_addrframe when done.
1681 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1683 unwinder: ppc and ppc64
1684 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1685 Call ebl_dwarf_to_regno.
1686 * linux-core-attach.c (core_set_initial_registers): Implement
1687 pc_register support.
1688 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1691 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1693 Introduce process_attach_error.
1694 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1695 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1697 * libdwflP.h (struct Dwfl): New field process_attach_error.
1698 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1699 (attach_state_for_core): ... here, make it static, change return type,
1700 no longer use __libdwfl_seterrno.
1701 (__libdwfl_attach_state_for_core): New wrapper for it.
1703 2013-11-27 Mark Wielaard <mjw@redhat.com>
1705 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1706 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1707 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1708 instead of tracking dwfl_files.
1709 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1710 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1711 new elfp and biasp arguments. Track elf instead of file.
1712 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1713 dwfl_module_info.c (dwfl_module_info): Pass elf to
1714 dwfl_adjusted_st_value.
1715 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1716 (dwfl_module_getsym_elf): New function declaration.
1717 (dwfl_module_addrsym_elf): Likewise.
1718 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1719 (dwfl_module_getsym_elf): Likewise.
1720 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1721 (dwfl_deadjust_st_value): Likewise.
1722 (__libdwfl_module_getsym): Removed.
1723 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1725 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1727 Fix non-build-id core files on build-id system.
1728 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1729 be read from memory.
1731 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1733 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1734 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1735 content, if possible.
1737 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1739 link_map: Use proper bias, not l_addr.
1740 * core-file.c (dynamic_vaddr_get): Rename to ...
1741 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1743 (dwfl_core_file_report): Update name in the caller.
1744 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1745 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1746 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1747 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1749 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1751 Compatibility with older kernels such as RHEL-6.
1752 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1753 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1754 (pid_set_initial_registers): Pass tid_was_stopped.
1755 (pid_thread_detach): Use tid_was_stopped.
1757 2013-11-18 Josh Stone <jistone@redhat.com>
1759 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1760 (find_aux_sym): Use it.
1762 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1764 Code cleanup: Remove const in prototype
1765 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1767 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1768 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1770 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1772 Fix dwfl_attach_state machine->elf.
1773 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1774 Call ebl_openbackend instead of ebl_openbackend_machine.
1775 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1776 Update the function description.
1777 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1779 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1782 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1784 Provide __libdwfl_module_getsym to get dwfl_file *.
1785 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1786 (dwfl_module_addrsym) (search_table): New variable file. Use
1787 __libdwfl_module_getsym. Use file.
1788 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1789 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1790 (dwfl_module_getsym): New wrapper.
1791 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1793 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1795 Fix dwfl_module_addrsym for minidebuginfo.
1796 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1798 (dwfl_module_addrsym) (same_section): Use it.
1799 (dwfl_module_addrsym) (i_to_symfile): New function.
1800 (dwfl_module_addrsym) (search_table): Use it.
1802 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1803 Mark Wielaard <mjw@redhat.com>
1805 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1806 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1808 * core-file.c (dwfl_core_file_report): Call
1809 __libdwfl_attach_state_for_core.
1810 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1811 * dwfl_frame.c: New file.
1812 * frame_unwind.c: New file.
1813 * dwfl_frame_pc.c: New file.
1814 * linux-pid-attach.c: New file.
1815 * linux-core-attach.c: New file.
1816 * dwfl_frame_regs.c: New file.
1817 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1818 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1819 (Dwfl_Thread_Callbacks): New definition.
1820 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1821 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1822 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1823 (dwfl_frame_pc): New declarations.
1824 * libdwflP.h (Dwfl_Process): New typedef.
1825 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1826 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1827 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1828 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1829 (struct Dwfl): New entry process.
1830 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1831 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1832 (__libdwfl_process_free, __libdwfl_frame_unwind)
1833 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1834 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1835 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1836 (dwfl_frame_thread, dwfl_thread_state_registers)
1837 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1838 (dwfl_frame_pc): New INTDECL entries.
1839 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1840 __libdwfl_attach_state_for_pid.
1841 * segment.c (segment_start): Rename to ...
1842 (__libdwfl_segment_start): ... here and make it internal_function.
1843 (segment_end): Rename to ...
1844 (__libdwfl_segment_end): ... here and make it internal_function.
1845 (reify_segments, dwfl_report_segment): Rename them at the callers.
1847 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1849 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1851 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1853 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1854 retval. Fix one forgotten LISTED increase.
1856 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1858 Fix core files for re-prelink-ed files.
1859 * core-file.c (dynamic_vaddr_get): New function.
1860 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1861 dynamic_vaddr_get instead of using L_ADDR.
1862 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1863 * link_map.c (report_r_debug): Do not initialize l_addr.
1865 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1868 * core-file.c (dwfl_core_file_report): Reindent block of code by
1871 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1873 * argp-std.c (parse_opt): Use executable parameter of
1874 dwfl_core_file_report.
1875 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1876 it to DWFL. Add NEW_VERSION for it.
1877 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1878 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1879 the function comment.
1881 2013-10-15 Mark Wielaard <mjw@redhat.com>
1883 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1885 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1887 2013-09-12 Mark Wielaard <mjw@redhat.com>
1889 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1891 2013-09-12 Mark Wielaard <mjw@redhat.com>
1893 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1896 2013-09-12 Mark Wielaard <mjw@redhat.com>
1898 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1899 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1901 2013-08-25 Mark Wielaard <mjw@redhat.com>
1903 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1906 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1908 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1909 conflicts all the modules, not just the first one. Compare L_LD if it
1910 is equal, not if it is in a module address range.
1912 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1914 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1916 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1918 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1919 (dwfl_core_file_report): Call __libdwfl_report_elf for
1920 R_DEBUG_INFO.MODULE.
1921 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1923 (__libdwfl_report_elf): ... this function. Call it.
1924 * dwfl_segment_report_module.c: Include unistd.h.
1925 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1926 Clear MODULE if it has no build-id and we have segment with build-id.
1927 Ignore this segment only if MODULE still contains valid ELF.
1928 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1929 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1930 and disk_file_has_build_id.
1931 (dwfl_link_map_report): Extend the comment.
1932 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1933 r_debug_info_module. Initialize also the new r_debug_info_module
1934 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1935 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1937 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1939 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1941 2013-07-02 Mark Wielaard <mjw@redhat.com>
1943 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1945 2013-06-05 Mark Wielaard <mjw@redhat.com>
1947 * link_map.c (report_r_debug): Always call release_buffer after
1948 memory_callback succeeded reading build_id.
1950 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1952 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1953 executable_for_core before calling dwfl_core_file_report.
1954 * core-file.c (clear_r_debug_info): New function.
1955 (dwfl_core_file_report): Move raw segments reporting lower. New
1956 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1957 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1958 * dwfl_module_build_id.c (check_notes): Move into
1959 __libdwfl_find_elf_build_id.
1960 (__libdwfl_find_build_id): Rename to ...
1961 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1962 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1963 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1964 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1965 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1966 adjust its data_elfaddr parameter.
1967 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1968 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1969 parameter r_debug_info. New variable name_is_final. Adjust addresses
1970 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1971 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1972 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1973 (struct r_debug_info_module, struct r_debug_info): New definitions.
1974 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1976 * link_map.c: Include fcntl.h.
1977 (report_r_debug): Add parameter r_debug_info, describe it in the
1978 function comment. Delete dwfl_addrmodule call and its dependent code.
1979 Verify build-id before calling dwfl_report_elf, also supply
1980 executable_for_core to it. Store r_debug_info->module info when
1982 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1983 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1986 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1988 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1989 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1990 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1991 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1993 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1995 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1996 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1997 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1998 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
2000 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
2002 2013-04-27 Mark Wielaard <mjw@redhat.com>
2004 * link_map.c: #include system.h.
2006 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
2008 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
2009 them to lib/system.h.
2011 2013-04-24 Mark Wielaard <mjw@redhat.com>
2013 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
2015 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
2017 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
2019 2013-03-12 Mark Wielaard <mjw@redhat.com>
2021 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
2023 2013-02-22 Mark Wielaard <mjw@redhat.com>
2025 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
2026 as DWFL_E_BADELF when not used.
2028 2013-02-10 Mark Wielaard <mjw@redhat.com>
2030 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
2031 failure messages When handling ARGP_KEY_SUCCESS because arg will
2034 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
2036 * linux-proc-maps.c: Include system.h.
2037 (PROCEXEFMT, get_pid_class): New.
2038 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
2041 2013-01-23 Mark Wielaard <mjw@redhat.com>
2043 * dwfl_module_getdwarf.c (find_aux_sym): Don't subtract one
2044 from aux_syments by default.
2045 (find_symtab): Also succeed when only aux_symdata is found.
2046 When no symtab is found always try to load auxiliary table.
2047 (dwfl_module_getsymtab): Substract one from result when both
2048 tables have symbols.
2049 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
2050 zero entry when both tables have symbols.
2051 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only subtract
2052 one from first_global when both tables have symbols.
2054 2013-01-16 Mark Wielaard <mjw@redhat.com>
2056 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
2057 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
2058 (dwfl_adjusted_aux_sym_addr): New function.
2059 (dwfl_deadjust_aux_sym_addr): Likewise.
2060 (dwfl_adjusted_st_value): Take and check symfile argument.
2061 (dwfl_deadjust_st_value): Likewise.
2062 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
2063 use dwfl_file as argument to set address_sync.
2064 (find_debuginfo): Call find_prelink_address_sync with debug file.
2065 (find_aux_sym): New function.
2066 (find_symtab): Use find_aux_sym if all we have is the dynsym table
2067 and fill in aux DwflModule fields.
2068 (dwfl_module_getsymtab): Return syments plus aux_syments.
2069 (load_symtab): Always set first_global.
2070 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
2071 when using same_section. Calculate first_global based on both
2072 mod->first_global and mod->aux_first_global.
2073 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
2074 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
2075 to retrieve symbol and name if necessary, making sure all locals
2076 from any table come before any globals.
2077 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
2079 * relocate.c (resolve_symbol): Likewise.
2081 2013-01-07 Roland McGrath <roland@hack.frob.com>
2083 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
2084 still assume the data is at least 32-bit aligned anyway.
2085 (dwfl_link_map_report): Handle unaligned auxv data.
2087 2012-12-11 Mark Wielaard <mjw@redhat.com>
2089 * linux-kernel-modules.c (report_kernel): Only free fname if
2090 find_kernel_elf succeeds and allocates it.
2091 (report_kernel_archive): Fix brackets around unlikely expression.
2093 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
2095 * argp-std.c: Update Copyright year.
2096 (offline_find_elf): New function.
2097 (offline_callbacks): Use it for find_elf.
2098 (struct parse_opt): New.
2099 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
2100 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
2101 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
2102 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
2103 final state->input initialization optional.
2104 * dwfl_end.c: Update Copyright year.
2105 (dwfl_end): Free executable_for_core.
2106 * libdwflP.h: Update Copyright year.
2107 (struct Dwfl): New field executable_for_core.
2109 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
2111 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
2114 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
2116 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
2118 (__libdwfl_getelf): ... here. Call it.
2120 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
2122 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
2124 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
2126 * dwfl_segment_report_module.c (dwfl_segment_report_module):
2127 Initialize mod->MAIN_BIAS.
2129 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
2131 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
2132 binding_value. Use it for both zero and non-zero size symbols
2135 2012-10-01 Mark Wielaard <mjw@redhat.com>
2137 * cu.c (cudie_offset): Don't use type_sig8, it might not be
2138 initialized and these are always real CUs, never TUs.
2140 2012-10-01 Mark Wielaard <mjw@redhat.com>
2142 * derelocate.c (find_section): Check next section exists before
2145 2012-08-01 Petr Machata <pmachata@redhat.com>
2147 * offline.c (process_archive_member): Ignore entry "/SYM64/".
2149 2012-03-28 Roland McGrath <roland@hack.frob.com>
2151 * dwfl_segment_report_module.c
2152 (dwfl_segment_report_module: read_portion): Don't use existing buffer
2153 when FILESZ is zero (string mode) and available portion doesn't hold
2154 a terminated string.
2156 2011-12-02 Roland McGrath <roland@hack.frob.com>
2158 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
2159 to use elf64_xlatetom and PHDRS.p64.
2160 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
2162 2011-11-31 Mark Wielaard <mjw@redhat.com>
2164 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
2165 global symbols. Then only when that doesn't provide a match search
2166 all local symbols too.
2167 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
2169 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
2170 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
2172 2011-11-31 Mark Wielaard <mjw@redhat.com>
2174 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
2175 sizeless_sym if needed and closer to desired addr.
2177 2011-10-20 Mark Wielaard <mjw@redhat.com>
2179 * derelocate.c (cache_sections): Intern mod->reloc_info check.
2180 (dwfl_module_relocations): Don't check mod->reloc_info.
2181 (dwfl_module_relocation_info): Likewise.
2182 (find_section): Likewise.
2184 2011-07-09 Roland McGrath <roland@hack.frob.com>
2186 * image-header.c (LE32): Macro removed (now in lib/system.h).
2188 2011-04-11 Mark Wielaard <mjw@redhat.com>
2190 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
2191 by check for zlib, bzlib or lzma defines to check it isn't empty.
2192 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
2194 2011-03-08 Roland McGrath <roland@redhat.com>
2196 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
2197 Reported by Kurt Roeckx <kurt@roeckx.be>.
2199 2011-02-11 Roland McGrath <roland@redhat.com>
2201 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
2202 suffixes if corresponding decompression support is enabled.
2204 2011-02-01 Roland McGrath <roland@redhat.com>
2206 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
2207 section-end address as the synchronization point, rather than sh_addr.
2209 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
2210 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
2212 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
2213 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
2215 2011-01-11 Roland McGrath <roland@redhat.com>
2217 * dwfl_module_getdwarf.c (open_elf): Remove section-based
2218 address_sync fixup from here.
2219 (find_prelink_address_sync): New function.
2220 (find_debuginfo): Call it.
2221 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
2223 2011-01-04 Roland McGrath <roland@redhat.com>
2225 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
2226 logic to consider section addresses, the better to survive all the
2227 possible prelink machinations.
2228 * libdwflP.h (struct dwfl_file): Comment change.
2230 2010-11-30 Roland McGrath <roland@redhat.com>
2232 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
2234 2010-11-12 Roland McGrath <roland@redhat.com>
2236 * libdwflP.h (struct Dwfl_Module): New member main_bias.
2237 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
2238 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
2240 * libdwflP.h (dwfl_deadjust_address): New function.
2241 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
2242 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
2243 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
2245 2010-11-11 Roland McGrath <roland@redhat.com>
2247 * libdwflP.h (struct dwfl_file): Remove bias member.
2248 Add vaddr and address_sync members instead.
2249 (dwfl_adjusted_address): Calculate using vaddr.
2250 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
2251 (dwfl_adjusted_st_value): Use one of those calls.
2252 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
2253 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
2254 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
2255 * link_map.c (consider_executable): Adjust only MOD->low_addr for
2256 detected PIE bias change.
2258 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
2259 * dwfl_module_info.c: Use it.
2260 * cu.c (addrarange): Likewise.
2261 * dwfl_dwarf_line.c: Likewise.
2262 * dwfl_module_dwarf_cfi.c: Likewise.
2263 * dwfl_lineinfo.c: Likewise.
2264 * dwfl_nextcu.c: Likewise.
2265 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
2267 * libdwflP.h (dwfl_adjusted_st_value): New function.
2268 * relocate.c (resolve_symbol): Use it.
2269 * dwfl_module_getsym.c: Likewise.
2270 * dwfl_module_addrsym.c: Likewise.
2271 * dwfl_module_info.c: Likewise.
2273 * libdwflP.h (dwfl_adjusted_address): New function.
2274 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
2275 * relocate.c (__libdwfl_relocate_value): Likewise.
2276 * derelocate.c (cache_sections): Likewise.
2277 (dwfl_module_address_section): Likewise.
2278 * dwfl_module_getelf.c: Likewise.
2279 * dwfl_module_eh_cfi.c: Likewise.
2280 * link_map.c (consider_executable): Likewise.
2282 2010-08-24 Roland McGrath <roland@redhat.com>
2284 * dwfl_dwarf_line.c: New file.
2285 * Makefile.am (libdwfl_a_SOURCES): Add it.
2287 2010-08-18 Roland McGrath <roland@redhat.com>
2289 * link_map.c (report_r_debug): Use found name if we have no name,
2290 even if we already have an Elf handle.
2292 2010-06-30 Roland McGrath <roland@redhat.com>
2294 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
2295 confused by -1 return from dwfl_build_id_find_elf after it opened
2297 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
2298 dwfl_build_id_find_debuginfo.
2300 2010-06-16 Roland McGrath <roland@redhat.com>
2302 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
2304 2010-06-14 Roland McGrath <roland@redhat.com>
2306 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
2307 candidate file to that st_dev/st_ino and pretend it didn't exist
2309 (find_debuginfo_in_path): Update caller, pass main file's info.
2311 2010-05-20 Roland McGrath <roland@redhat.com>
2313 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
2314 (grovel_auxv): ... this. Take DWFL argument.
2315 (dwfl_linux_proc_report): Update caller.
2317 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
2318 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
2320 2010-05-19 Roland McGrath <roland@redhat.com>
2322 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
2324 2010-05-06 Roland McGrath <roland@redhat.com>
2326 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
2328 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
2329 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
2330 ID but we didn't find a file.
2331 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
2332 and refuse any fallback file-by-name if it lacks the matching ID.
2334 * dwfl_error.c (dwfl_errno): Add INTDEF.
2335 * libdwflP.h: Add INTDECL.
2337 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
2340 2010-05-04 Roland McGrath <roland@redhat.com>
2342 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
2343 ET_DYN that has a DT_DEBUG.
2345 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
2347 * segment.c (insert): Fix moving of values following insertion.
2348 (reify_segments): Fix up MOD->segment backpointer indices after
2349 later insertions in the main loop invalidate them.
2351 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
2352 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
2354 * core-file.c (dwfl_core_file_report): Return any nonzero count of
2355 modules reported, even if link_map grovelling failed and only sniffing
2358 2010-04-26 Roland McGrath <roland@redhat.com>
2360 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
2361 Works around probably-wrong ld -r behavior for case of a DWARF address
2362 constant that refers to a discarded SHF_ALLOC section.
2364 2010-04-14 Roland McGrath <roland@redhat.com>
2366 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
2367 an upper bound on sane possible number of elements.
2369 2010-03-11 Roland McGrath <roland@redhat.com>
2371 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
2372 the second half for 32-bit matches.
2374 2010-03-10 Roland McGrath <roland@redhat.com>
2376 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
2377 * argp-std.c (parse_opt): Update caller.
2378 * libdwfl.h: Declare dwfl_core_file_report.
2379 * libdwflP.h: Don't.
2381 2010-02-17 Roland McGrath <roland@redhat.com>
2383 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
2384 If set, find the first index not below ADDR.
2385 (dwfl_segment_report_module): Update callers.
2386 Pass true when calculating return value.
2388 2010-02-15 Roland McGrath <roland@redhat.com>
2390 * Makefile.am: Use config/eu.am for common stuff.
2392 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
2393 variable in failure path.
2395 2010-02-02 Mark Wielaard <mjw@redhat.com>
2397 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
2398 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
2400 2010-01-07 Roland McGrath <roland@redhat.com>
2402 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
2403 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
2404 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
2405 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2407 2010-01-06 Roland McGrath <roland@redhat.com>
2409 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
2410 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
2412 2009-11-16 Roland McGrath <roland@redhat.com>
2414 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
2416 2009-11-12 Petr Machata <pmachata@redhat.com>
2418 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
2419 the chunk is both offset-contiguous and vaddr-contiguous.
2421 2009-11-05 Roland McGrath <roland@redhat.com>
2423 * link_map.c (report_r_debug): Skip entries with l_ld==0.
2424 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
2426 2009-09-04 Roland McGrath <roland@redhat.com>
2428 * image-header.c (__libdw_image_header): Fix tranposed comparison.
2430 2009-08-27 Roland McGrath <roland@redhat.com>
2432 * image-header.c: New file.
2433 * Makefile.am (libdwfl_a_SOURCES): Add it.
2434 * libdwflP.h: Declare __libdw_image_header.
2435 * open.c (decompress): Don't consume ELF on failure.
2436 (what_kind): New function, broken out of ...
2437 (__libdw_open_file): ... here. Call it.
2438 If it fails, try __libdw_image_header and then try what_kind again.
2440 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
2441 leave it behind for next decompressor.
2442 * open.c (decompress): Free BUFFER on failure.
2444 2009-08-26 Roland McGrath <roland@redhat.com>
2446 * gzip.c (find_zImage_payload): New function, broken out of ...
2447 (mapped_zImage): ... here. Call it.
2448 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
2449 stupid method of just trying the decoder.
2451 * open.c [USE_LZMA]: Try __libdw_unlzma.
2452 * libdwflP.h: Declare it.
2453 (DWFL_ERRORS): Add DWFL_E_LZMA.
2454 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
2456 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
2458 * gzip.c (mapped_zImage): Limit scan to 32kb.
2459 Make this unconditional, support bzip2 kernel images too.
2460 (unzip): Use direct inflate method for non-mmap case too.
2461 Only zlib uses the stream method.
2463 2009-08-09 Roland McGrath <roland@redhat.com>
2465 * dwfl_module_build_id.c: Use new macros for versioned definitions.
2467 2009-07-08 Roland McGrath <roland@redhat.com>
2469 * dwfl_module_dwarf_cfi.c: New file.
2470 * dwfl_module_eh_cfi.c: New file.
2471 * Makefile.am (libdwfl_a_SOURCES): Add them.
2472 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
2473 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
2475 2009-07-08 Roland McGrath <roland@redhat.com>
2477 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
2479 2009-06-18 Mark Wielaard <mjw@redhat.com>
2481 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
2483 2009-06-13 Ulrich Drepper <drepper@redhat.com>
2485 * derelocate.c: Don't use deprecated libelf functions.
2486 * dwfl_module_getdwarf.c: Likewise.
2487 * relocate.c: Likewise.
2489 2009-04-23 Ulrich Drepper <drepper@redhat.com>
2491 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
2492 defined. Otherwise just define the latest version.
2494 2009-04-22 Roland McGrath <roland@redhat.com>
2496 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
2497 a non-ET_REL module.
2499 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
2500 adjust properly for non-ET_REL.
2502 2009-04-21 Roland McGrath <roland@redhat.com>
2504 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
2506 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
2507 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
2509 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
2511 2009-04-20 Roland McGrath <roland@redhat.com>
2513 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
2515 2009-04-19 Roland McGrath <roland@redhat.com>
2517 * dwfl_module_getdwarf.c (find_file): Renamed to ...
2518 (__libdwfl_getelf): ... this. Make it global.
2519 (find_symtab, find_dw): Update callers.
2520 (dwfl_module_getelf): Functions moved ...
2521 * dwfl_module_getelf.c: ... here, new file.
2522 * Makefile.am (libdwfl_a_SOURCES): Add it.
2523 * libdwflP.h: Declare __libdwfl_getelf.
2525 2009-04-14 Roland McGrath <roland@redhat.com>
2527 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
2528 absolute (already adjusted in place) or needing load bias adjustment.
2530 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
2531 gelf_getphdr failure. Fix file size limit checks.
2533 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
2535 2009-04-08 Roland McGrath <roland@redhat.com>
2537 * dwfl_module_getsym.c: Don't adjust for bias again after
2538 __libdwfl_relocate_value.
2540 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
2541 a non-SHF_ALLOC section.
2542 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
2543 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
2545 2009-03-09 Roland McGrath <roland@redhat.com>
2547 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
2548 variable to outer scope, so we cache it for the loop.
2550 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
2552 2009-02-12 Roland McGrath <roland@redhat.com>
2554 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
2555 __libdwfl_relocate_value to find correct sh_addr value.
2557 2009-02-10 Roland McGrath <roland@redhat.com>
2559 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
2560 If false, don't fail for NO_PHDR.
2561 (dwfl_report_elf): Update caller.
2562 * libdwflP.h: Update decl.
2563 * offline.c (process_elf): Call it with false, so we don't refuse
2564 dubiously-formed objects here.
2566 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
2567 finds our module. We shouldn't crash when we confuse some guesses.
2569 2009-02-10 Ulrich Drepper <drepper@redhat.com>
2571 * open.c (decompress): Avoid crash with empty input file.
2573 2009-01-27 Roland McGrath <roland@redhat.com>
2575 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
2576 with zero vaddr and memsz.
2578 2009-01-22 Roland McGrath <roland@redhat.com>
2580 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
2582 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
2583 after address-matching loop.
2585 * segment.c (lookup): Fix fencepost in checking for HINT match.
2587 2009-01-14 Roland McGrath <roland@redhat.com>
2589 * gzip.c [!BZLIB] (mapped_zImage): New function.
2590 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
2592 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2594 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
2596 2009-01-08 Roland McGrath <roland@redhat.com>
2598 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
2599 Skip subdirectory named "source".
2600 (dwfl_linux_kernel_find_elf): Likewise.
2602 2009-01-06 Roland McGrath <roland@redhat.com>
2604 * linux-kernel-modules.c (check_suffix): New function.
2605 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
2606 (dwfl_linux_kernel_report_offline): Use it.
2607 (dwfl_linux_kernel_find_elf): Likewise.
2609 2009-01-05 Roland McGrath <roland@redhat.com>
2611 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
2612 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
2613 * dwfl_build_id_find_elf.c: Likewise.
2614 * dwfl_module_getdwarf.c (open_elf): Likewise.
2615 * dwfl_report_elf.c: Likewise.
2616 * find-debuginfo.c (validate): Likewise.
2617 * offline.c (__libdwfl_report_offline): Likewise.
2619 * libdwflP.h: Declare __libdw_open_file.
2621 * Makefile.am (libdwfl_a_SOURCES): Add it.
2624 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
2625 * bzip2.c: New file.
2626 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
2627 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
2629 2008-12-16 Roland McGrath <roland@redhat.com>
2631 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
2632 symver magic to bind to ELFUTILS_0.138.
2633 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
2634 wrapper for ELFUTILS_0.130 version set.
2636 2008-12-18 Roland McGrath <roland@redhat.com>
2638 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
2639 addresses are taken as relative to MOD->low_addr.
2641 2008-12-15 Roland McGrath <roland@redhat.com>
2643 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2646 2008-12-11 Roland McGrath <roland@redhat.com>
2648 * offline.c (process_archive): Don't call elf_end and close if
2649 returning NULL. Check first elf_begin call and set error code
2650 specially for empty archive.
2653 2008-12-02 Roland McGrath <roland@redhat.com>
2655 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2657 2008-11-26 Roland McGrath <roland@redhat.com>
2659 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
2660 return value, and interpret encoded OFFSET argument.
2662 2008-10-07 Roland McGrath <roland@redhat.com>
2664 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2666 2008-09-29 Roland McGrath <roland@redhat.com>
2668 * segment.c (insert): Must realloc DWFL->lookup_module here too.
2669 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2671 2008-08-28 Roland McGrath <roland@redhat.com>
2673 * segment.c (reify_segments): Fix last change.
2675 2008-08-27 Roland McGrath <roland@redhat.com>
2677 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2678 failure from pread64.
2680 2008-08-26 Roland McGrath <roland@redhat.com>
2682 * segment.c (reify_segments): Insert a trailing segment for a module
2683 end that is above the highest current segment.
2685 2008-08-25 Roland McGrath <roland@redhat.com>
2687 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2688 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2689 if FILE->elf is not ELF_K_ELF.
2691 * dwfl_segment_report_module.c: Add a cast.
2693 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2695 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2696 which decides which symbol is "closest" to a given address.
2698 2008-08-15 Roland McGrath <roland@redhat.com>
2700 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2701 (options, parse_opt): Handle --core.
2703 * core-file.c: New file.
2704 * Makefile.am (libdwfl_a_SOURCES): Add it.
2705 * libdwflP.h (dwfl_core_file_report): Declare it.
2707 * link_map.c: New file.
2708 * Makefile.am (libdwfl_a_SOURCES): Add it.
2709 * libdwflP.h (dwfl_link_map_report): Declare it.
2711 * libdwflP.h (MIN, MAX): New macros.
2712 (Dwfl_Memory_Callback): New typedef.
2713 (Dwfl_Module_Callback): New typedef.
2714 (dwfl_segment_report_module): Declare it.
2715 * dwfl_segment_report_module.c: New file.
2716 * Makefile.am (libdwfl_a_SOURCES): Add it.
2718 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2719 * libdwflP.h: Add INTDECL.
2721 * segment.c: New file.
2722 * Makefile.am (libdwfl_a_SOURCES): Add it.
2723 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2724 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2725 lookup_addr, lookup_module, lookup_segndx, replace removed members
2727 (struct Dwfl_Module): New member segment.
2728 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2729 to each free module.
2730 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2731 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2732 (dwfl_report_module): Don't touch DWFL->nmodules.
2733 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2734 (compare_modules): Function removed.
2735 * dwfl_getmodules.c: Rewritten.
2737 * libdwflP.h: Add INTDECLs.
2738 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2739 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2741 2008-08-03 Roland McGrath <roland@redhat.com>
2743 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2745 2008-07-17 Roland McGrath <roland@redhat.com>
2747 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2748 zero if the failure was only ENOENT.
2750 2008-06-03 Roland McGrath <roland@redhat.com>
2752 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2755 2008-05-22 Petr Machata <pmachata@redhat.com>
2757 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2759 2008-05-06 Roland McGrath <roland@frob.com>
2761 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2762 FTS_LOGICAL here too.
2763 (dwfl_linux_kernel_find_elf): Likewise.
2765 2008-04-29 Roland McGrath <roland@redhat.com>
2767 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2768 based on canonicalize_file_name if it differs from the supplied name.
2770 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2773 2008-04-27 Roland McGrath <roland@redhat.com>
2775 * linux-kernel-modules.c (report_kernel): Fix crash when
2776 dwfl_report_elf fails.
2778 2008-04-05 Roland McGrath <roland@redhat.com>
2780 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2782 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2783 Clear it after freeing.
2784 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2786 2008-03-26 Roland McGrath <roland@redhat.com>
2788 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2789 SHT_DYNSYM, just set *SYMSCN like the comment says.
2791 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2793 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2795 2008-03-19 Roland McGrath <roland@redhat.com>
2797 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2799 2008-03-01 Roland McGrath <roland@redhat.com>
2801 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2802 prototype to avoid older compiler's complaint about reuse of the name.
2803 (__libdwfl_canon_error): Likewise.
2805 2008-02-19 Roland McGrath <roland@redhat.com>
2807 * relocate.c (relocate_section): Check for an unhandled relocation
2808 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2809 DWFL_E_UNKNOWN_MACHINE check out of loops.
2811 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2812 DEBUGFILE->relocated is already set.
2814 2008-01-26 Roland McGrath <roland@redhat.com>
2816 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2818 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2819 incoming *FILE_NAME at the start.
2821 2008-01-08 Roland McGrath <roland@redhat.com>
2823 * Makefile.am (euinclude): Variable removed.
2824 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2826 2007-10-23 Roland McGrath <roland@redhat.com>
2828 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2829 module to appear first.
2831 2007-10-20 Roland McGrath <roland@redhat.com>
2833 * offline.c (process_archive_member): Take FD argument, pass it down
2834 to process_file. Return Elf_Cmd, not bool.
2835 Call elf_next here, always before elf_end.
2836 (process_archive): Update caller. Don't close FD here unless there
2839 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2841 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2842 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2843 partial relocation to one or both files.
2844 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2845 relocations have been applied to the debug file if dwfl_module_getelf
2846 has been used before.
2848 * relocate.c (resolve_symbol): New function.
2849 (relocate_section): Call it.
2851 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2852 (relocate_section): Take new bool arg, PARTIAL. If true,
2853 no error for BADRELTYPE/RELUNDEF, instead just skip them
2854 and leave only those skipped relocs behind the reloc section.
2855 (__libdwfl_relocate_section): Take new arg, pass it down.
2856 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2857 do partial relocation on all sections.
2858 * dwfl_module_getdwarf.c (load_dw): Update caller.
2859 * libdwflP.h: Update decls.
2860 * derelocate.c (dwfl_module_address_section): Pass new argument
2861 to __libdwfl_relocate_section, true.
2863 * derelocate.c (cache_sections): Don't cache reloc sections when
2864 section_address callback is null.
2866 2007-10-19 Roland McGrath <roland@redhat.com>
2868 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2870 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2871 (struct secref): Likewise.
2872 (cache_sections): Cache the relocation section referring to each
2873 section we cache, if any.
2874 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2877 * relocate.c (struct reloc_symtab_cache): New type.
2878 (relocate_getsym): Use it instead of four arguments.
2879 (__libdwfl_relocate): Update caller.
2880 (relocate_section): New function, broken out of ...
2881 (__libdwfl_relocate): ... here.
2882 (__libdwfl_relocate_section): New function.
2883 * libdwflP.h: Declare it.
2885 2007-10-17 Roland McGrath <roland@redhat.com>
2887 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2888 to relocated st_value.
2890 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2893 2007-10-16 Roland McGrath <roland@redhat.com>
2895 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2896 section has larger alignment requirements not met by the original BASE,
2897 rather than padding more between sections.
2899 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2901 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2904 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2905 at zero in ET_REL case. Adjust BASE to necessary alignment.
2907 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2909 (__libdwfl_find_build_id): Update caller.
2911 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2912 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2913 * offline.c (dwfl_offline_section_address): Bail early if there is
2914 separate debug file.
2916 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2918 2007-10-09 Roland McGrath <roland@redhat.com>
2920 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2921 caching SHDR->sh_addr = 0.
2922 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2923 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2925 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2926 we've found SHT_SYMTAB.
2928 * relocate.c (relocate_getsym): New function.
2929 (__libdwfl_relocate): Use it.
2930 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2931 be a pointer instead of value; cache getshstrndx result there.
2932 * libdwflP.h: Update decl.
2933 * derelocate.c (cache_sections): Update caller.
2934 Always work on the main file, not the symfile.
2935 (dwfl_module_address_section): Likewise.
2936 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2938 2007-10-07 Roland McGrath <roland@redhat.com>
2940 * offline.c (process_archive): Initialize MOD.
2942 * linux-kernel-modules.c (get_release): New function, broken out of ...
2943 (report_kernel): ... here. Call it.
2944 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2945 (find_kernel_elf): Update caller.
2946 (report_kernel_archive): New function.
2947 (dwfl_linux_kernel_report_offline): Call it.
2949 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2950 (process_archive): Likewise.
2951 (process_archive_member): Likewise. When nonnull, let the predicate
2952 decide whether to use this member.
2953 (__libdwfl_report_offline): New function, broken out of ...
2954 (dwfl_report_offline): ... here. Call it.
2955 * libdwflP.h: Declare it.
2957 * offline.c (process_archive, process_archive_member): New functions.
2958 (process_elf, process_file): New functions, broken out of ...
2959 (dwfl_report_offline): ... here. Call process_file, which recurses on
2962 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2963 (dwfl_report_elf): ... here. Call it.
2964 * libdwflP.h: Declare it.
2966 2007-10-06 Roland McGrath <roland@redhat.com>
2968 * derelocate.c (dwfl_module_relocations): Don't call
2969 dwfl_module_getdwarf.
2971 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2974 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2975 SHF_ALLOC, to cache sh_addr resolved to 0.
2977 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2978 values nonzero already, just use its existing layout.
2980 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2981 in-core shdr after applying it.
2983 2007-10-04 Ulrich Drepper <drepper@redhat.com>
2985 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2986 initialization of notes variable.
2988 2007-10-04 Roland McGrath <roland@redhat.com>
2990 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2991 fill in with vaddr of "__start_notes" symbol if found.
2992 (check_notes): New function.
2993 (check_kernel_notes): New function.
2994 (dwfl_linux_kernel_report_kernel): Call it.
2995 (check_module_notes): New function.
2996 (dwfl_linux_kernel_report_modules): Call it.
2998 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2999 Try dwfl_build_id_find_elf first.
3001 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
3002 Set kernel module e_type to ET_DYN.
3004 2007-10-03 Roland McGrath <roland@redhat.com>
3006 * find-debuginfo.c (validate): New function, broken out of ...
3007 (find_debuginfo_in_path): ... here. New function, broken out of ...
3008 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
3009 dwfl_build_id_find_debuginfo first.
3011 * dwfl_build_id_find_elf.c: New file.
3012 * dwfl_build_id_find_debuginfo.c: New file.
3013 * Makefile.am (libdwfl_a_SOURCES): Add them.
3014 * libdwfl.h: Declare them.
3015 * libdwflP.h: Add INTDECLs.
3017 * dwfl_module_build_id.c: New file.
3018 * dwfl_module_report_build_id.c: New file.
3019 * Makefile.am (libdwfl_a_SOURCES): Add them.
3020 * libdwfl.h: Declare them.
3021 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
3022 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
3023 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
3025 * dwfl_module_getdwarf.c (find_offsets): New function.
3026 (find_dynsym): New function, calls that.
3027 (find_symtab): Call it.
3029 2007-09-11 Roland McGrath <roland@redhat.com>
3031 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
3032 address if its st_size is smaller.
3034 2007-08-13 Roland McGrath <roland@redhat.com>
3036 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
3038 2007-08-12 Roland McGrath <roland@redhat.com>
3040 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
3043 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
3044 a second phdr if it happens to match EHDR_VMA exactly.
3046 2007-08-08 Roland McGrath <roland@redhat.com>
3048 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
3049 those with no names. Rewrite best symbol algorithm not to assume a
3050 sorted table and to be smarter handling sizeless symbols.
3052 2007-07-16 Roland McGrath <roland@redhat.com>
3054 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
3055 reviving an existing module.
3057 2007-06-08 Roland McGrath <roland@redhat.com>
3059 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
3061 2007-05-17 Roland McGrath <roland@redhat.com>
3063 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
3064 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
3065 (dwfl_linux_kernel_find_elf): Likewise.
3067 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
3068 getline and sscanf instead of fscanf.
3070 2007-05-08 Roland McGrath <roland@redhat.com>
3072 * offline.c (dwfl_offline_section_address): Don't assume section
3073 numbers match between stripped and debuginfo files. Instead, assume
3074 only that the ordering among SHF_ALLOC sections matches.
3076 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
3078 (dwfl_linux_kernel_report_offline): Update caller.
3079 (dwfl_linux_kernel_report_kernel): Likewise.
3081 2007-04-23 Roland McGrath <roland@redhat.com>
3083 * argp-std.c (options): Fix group title string.
3085 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
3086 Update via STATE->input every time we set STATE->hook, not only at
3089 * dwfl_module.c (free_file): Free FILE->name.
3091 2007-04-16 Roland McGrath <roland@redhat.com>
3093 * derelocate.c (cache_sections): Apply bias to sh_addr.
3094 (compare_secrefs): Fix address comparison to avoid signed overflow.
3095 (find_section): New function, broken out of ...
3096 (dwfl_module_relocate_address): ... here, call it.
3097 (check_module): New function, broken out of ...
3098 (dwfl_module_relocate_address): ... here, call it.
3099 (dwfl_module_address_section): New function.
3100 * libdwfl.h: Declare it.
3102 2007-03-26 Roland McGrath <roland@redhat.com>
3104 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
3106 2007-03-18 Roland McGrath <roland@redhat.com>
3108 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
3109 (find_debuginfo): ... here. Call it.
3110 Don't return error for libelf errors finding .gnu_debuglink section.
3112 2007-03-12 Roland McGrath <roland@redhat.com>
3114 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
3115 (dwfl_report_begin): ... here. Call it.
3116 * libdwfl.h: Declare it.
3117 * libdwflP.h: Add INTDECL.
3119 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
3121 * offline.c: Comment typo fix.
3123 2007-03-04 Roland McGrath <roland@redhat.com>
3125 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
3126 (find_kernel_elf): New function, broken out of ...
3127 (report_kernel): ... here. Call it.
3128 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
3129 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
3130 virtual address bounds of kernel from symbols rounded to page size.
3131 (dwfl_linux_kernel_report_kernel): Use that if it works, before
3132 resorting to report_kernel.
3134 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
3135 ET_EXEC file with nonzero bias.
3137 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
3138 dwfl_module_addrsym. Guts moved to ...
3139 * dwfl_module_addrsym.c: ... here; new file.
3140 * Makefile.am (libdwfl_a_SOURCES): Add it.
3141 * libdwfl.h: Declare dwfl_module_addrsym.
3142 * libdwflP.h: Add INTDECL.
3144 2007-03-03 Roland McGrath <roland@redhat.com>
3146 * dwfl_module.c (free_file): New function, broken out of ...
3147 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
3149 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
3152 2007-03-02 Roland McGrath <roland@redhat.com>
3154 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
3156 2007-02-02 Roland McGrath <roland@redhat.com>
3158 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
3159 address exactly if it's no other module's low boundary.
3161 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
3162 and size cover the address, select the closest symbol with st_size==0
3163 that lies in the same section.
3165 2007-01-29 Roland McGrath <roland@redhat.com>
3167 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
3170 2007-01-20 Roland McGrath <roland@redhat.com>
3172 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
3174 * libdwfl.h (Dwfl_Callbacks): Update comment.
3175 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
3176 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
3177 For ignored missing section, use -1 instead of 0.
3178 * offline.c (dwfl_offline_section_address): Expect a call for 0.
3180 2007-01-19 Roland McGrath <roland@redhat.com>
3182 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
3183 zero so a lone -e foo.so is shown without address bias.
3185 2007-01-10 Roland McGrath <roland@redhat.com>
3187 * linux-kernel-modules.c (report_kernel): Check asprintf return value
3188 directly instead of via side effect, to silence warn_unused_result.
3189 (dwfl_linux_kernel_report_offline): Likewise.
3190 (dwfl_linux_kernel_find_elf): Likewise.
3191 (dwfl_linux_kernel_module_section_address): Likewise.
3192 * find-debuginfo.c (try_open): Likewise.
3193 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
3194 (dwfl_linux_proc_report): Likewise.
3196 * libdwfl.h (dwfl_begin): Require nonnull argument.
3198 2006-12-27 Roland McGrath <roland@redhat.com>
3200 * dwfl_module.c (compare_modules): Fix address comparison to avoid
3201 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
3203 2006-10-30 Roland McGrath <roland@redhat.com>
3205 * dwfl_module.c (dwfl_report_module): Comment typo fix.
3207 2006-09-05 Roland McGrath <roland@redhat.com>
3209 * derelocate.c (cache_sections): Use alloca instead of variable-sized
3210 auto array, in function already using alloca.
3212 2006-08-14 Roland McGrath <roland@redhat.com>
3214 * linux-kernel-modules.c (try_kernel_name): If the call to
3215 dwfl_standard_find_debuginfo produces no results, try it again
3216 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
3218 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
3219 * libdwflP.h: ... to here.
3220 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
3221 repeats the first thing dwfl_standard_find_debuginfo will try.
3223 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
3224 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
3225 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
3228 2006-07-12 Ulrich Drepper <drepper@redhat.com>
3230 * cu.c: Adjust for internal_function_def removal.
3231 * dwfl_error.c: Likewise.
3232 * dwfl_module.c: Likewise.
3233 * dwfl_module_getdwarf.c: Likewise.
3234 * lines.c: Likewise.
3235 * relocate.c: Likewise.
3237 2006-07-11 Ulrich Drepper <drepper@redhat.com>
3239 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
3240 it can overflow the return value type.
3241 Patch by Tim Moore <timoore@redhat.com>.
3243 2006-06-28 Roland McGrath <roland@redhat.com>
3245 * libdwfl.h: Cosmetic changes.
3247 * dwfl_line_comp_dir.c: New file.
3248 * Makefile.am (libdwfl_a_SOURCES): Add it.
3249 * libdwfl.h: Declare dwfl_line_comp_dir.
3251 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
3253 * dwfl_linecu.c: New file.
3254 * Makefile.am (libdwfl_a_SOURCES): Add it.
3255 * libdwfl.h: Declare dwfl_linecu.
3257 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
3258 (dwfl_linecu): Define as macro.
3260 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
3262 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
3263 (dwfl_module_addrname): Function moved ...
3264 * dwfl_module_addrname.c: ... here, new file.
3265 * dwfl_module_getsym.c: New file.
3266 * Makefile.am (libdwfl_a_SOURCES): Add them.
3267 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
3268 * libdwflP.h: Add INTDECLs.
3270 2006-06-27 Roland McGrath <roland@redhat.com>
3272 * dwfl_module.c (dwfl_report_end): Whitespace fix.
3274 2006-06-13 Roland McGrath <roland@redhat.com>
3276 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
3277 Use __libdwfl_seterrno for elf_memory failure.
3279 2006-05-22 Roland McGrath <roland@redhat.com>
3281 * dwfl_module_return_value_location.c
3282 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
3284 2006-05-27 Ulrich Drepper <drepper@redhat.com>
3286 * libdwfl.h: Add extern "C".
3288 2006-05-22 Ulrich Drepper <drepper@redhat.com>
3290 * cu.c (addrarange): Handle files without aranges information.
3292 2006-05-16 Ulrich Drepper <drepper@redhat.com>
3294 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
3297 2006-02-26 Roland McGrath <roland@redhat.com>
3299 * dwfl_version.c: New file.
3300 * Makefile.am (libdwfl_a_SOURCES): Add it.
3301 * libdwfl.h: Declare dwfl_version.
3303 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
3304 aligned up from DWFL->offline_next_address when checking for overlap.
3306 2005-12-22 Roland McGrath <roland@redhat.com>
3308 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
3310 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
3311 (dwfl_linux_proc_report): ... here. Call it.
3312 (dwfl_linux_proc_maps_report): New function.
3313 * libdwfl.h: Declare it.
3314 * libdwflP.h: Add INTDECL.
3315 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
3317 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
3318 failed with DWFL_E_NO_DWARF.
3320 2005-11-26 Roland McGrath <roland@redhat.com>
3322 * dwfl_end.c (dwfl_end): Free the DWFL itself.
3324 2005-11-25 Roland McGrath <roland@redhat.com>
3326 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
3328 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
3329 * libdwflP.h: Declare it.
3331 * dwfl_module_register_names.c: New file.
3332 * Makefile.am (libdwfl_a_SOURCES): Add it.
3333 * libdwfl.h: Declare dwfl_module_register_names.
3335 2005-11-21 Roland McGrath <roland@redhat.com>
3337 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
3338 Don't leak malloc'd file name.
3339 If a /sys/.../sections file is missing and starts with ".init",
3340 try the variant with "_init" too; catches PPC64 kernel braindamage.
3342 2005-11-15 Roland McGrath <roland@redhat.com>
3344 * libdwfl.h: Comment fixes.
3346 * dwfl_module_return_value_location.c: Add unlikely for error case.
3348 2005-11-13 Roland McGrath <roland@redhat.com>
3350 * dwfl_return_value_location.c: New file.
3351 * Makefile.am (libdwfl_a_SOURCES): Add it.
3352 * libdwfl.h: Declare dwfl_module_return_value_location.
3353 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
3355 2005-10-20 Roland McGrath <roland@redhat.com>
3357 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
3358 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
3359 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
3361 2005-10-01 Roland McGrath <roland@redhat.com>
3363 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
3366 2005-09-19 Roland McGrath <roland@redhat.com>
3368 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
3369 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
3370 the signed integer reading; they will just have to be in hexadecimal.
3371 (dwfl_linux_kernel_module_section_address): Likewise.
3373 2005-08-28 Ulrich Drepper <drepper@redhat.com>
3375 * Makefile.am (%.os): Use COMPILE.os.
3376 (COMPILE.os): Filter out gconv options.
3378 2005-08-25 Roland McGrath <roland@redhat.com>
3380 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
3381 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
3383 2005-08-24 Roland McGrath <roland@redhat.com>
3385 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
3387 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
3388 magic initializer to set -heur-stack-bound option.
3390 2005-08-22 Roland McGrath <roland@redhat.com>
3392 * dwfl_validate_address.c: New file.
3393 * Makefile.am (libdwfl_a_SOURCES): Add it.
3394 * libdwfl.h: Declare dwfl_validate_address.
3396 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
3397 * libdwflP.h: Add INTDECL.
3399 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
3400 elf_rawdata for symbol-related sections.
3402 * offline.c (dwfl_report_offline): Move offline_next_address outside
3403 module's range, in case it's an ET_EXEC using fixed segment locations.
3404 * libdwfl.h: Update comment.
3406 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
3409 2005-08-20 Roland McGrath <roland@redhat.com>
3411 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
3412 function to choose whether to report.
3413 (dwfl_linux_kernel_report_offline): Likewise.
3414 * libdwfl.h: Update decl.
3415 * argp-std.c (parse_opt): Update caller.
3417 * dwfl_getsrclines.c: New file.
3418 * dwfl_onesrcline.c: New file.
3419 * Makefile.am (libdwfl_a_SOURCES): Add them.
3420 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
3422 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
3423 MODULESDIR[0]. Call fts_close on failure.
3425 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
3426 Close ET_REL file descriptors after relocation.
3427 (find_dw): Update caller.
3428 * offline.c (dwfl_report_offline): Get the file into memory and close
3429 the file descriptor.
3431 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
3432 MOD->debug.elf is already set.
3434 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
3435 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
3437 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
3438 dwfl_linux_kernel_report_offline with offline_callbacks.
3440 * linux-kernel-modules.c (report_kernel): New function, broken out of
3442 (dwfl_linux_kernel_report_kernel): ... here. Use it.
3443 (dwfl_linux_kernel_report_offline): New function.
3444 * libdwfl.h: Declare it.
3445 * libdwflP.h: Add INTDECL.
3447 2005-08-19 Roland McGrath <roland@redhat.com>
3449 Use standard debuginfo search path to look for vmlinux.
3450 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
3452 * linux-kernel-modules.c (try_kernel_name): New function, broken out
3454 (dwfl_linux_kernel_report_kernel): ... here. Use it.
3456 * argp-std.c (offline_callbacks): New variable.
3457 (parse_opt): Use it for -e. Allow multiple -e options.
3459 * offline.c: New file.
3460 * Makefile.am (libdwfl_a_SOURCES): Add it.
3461 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
3462 * libdwflP.h: Add INTDECLs.
3463 (OFFLINE_REDZONE): New macro.
3464 (struct Dwfl): New member `offline_next_address'.
3465 * dwfl_begin.c (dwfl_begin): Initialize it.
3466 * dwfl_module.c (dwfl_report_begin): Likewise.
3468 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
3469 do a nominal absolute section layout starting at BASE.
3470 * libdwfl.h: Update comment.
3472 2005-08-18 Roland McGrath <roland@redhat.com>
3474 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
3475 dwfl_module_getdwarf if necessary.
3477 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
3478 * libdwfl.h: Update comment.
3480 * derelocate.c: New file.
3481 * Makefile.am (libdwfl_a_SOURCES): Add it.
3483 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
3484 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
3485 * dwfl_module_getdwarf.c (open_elf): Update initialization.
3486 (load_dw, dwfl_module_addrname): Update uses.
3487 * relocate.c (__libdwfl_relocate): Likewise.
3489 2005-08-04 Roland McGrath <roland@redhat.com>
3491 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
3492 arguments SHNDX, SHDR.
3493 (dwfl_linux_kernel_module_section_address): Update prototype.
3494 * relocate.c (__libdwfl_relocate_value): Update caller.
3495 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
3496 Take the new arguments.
3498 2005-08-10 Roland McGrath <roland@redhat.com>
3500 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
3501 use it instead of MOD->debug.file.
3502 * libdwflP.h: Update decl.
3503 * dwfl_module_getdwarf.c (load_dw): Update caller.
3506 2005-08-09 Roland McGrath <roland@redhat.com>
3508 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
3509 * cu.c: Use INTUSE on dwarf_* calls.
3510 * dwfl_error.c: Likewise.
3511 * dwfl_module.c: Likewise.
3512 * dwfl_module_getdwarf.c: Likewise.
3513 * dwfl_module_getsrc_file.c: Likewise.
3514 * lines.c: Likewise.
3516 2005-08-07 Roland McGrath <roland@redhat.com>
3518 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
3519 names contain '_' or '-', look for files named either "foo-bar.ko"
3522 2005-07-29 Roland McGrath <roland@redhat.com>
3524 * loc2c.c: File removed.
3525 * loc2c.h: File removed.
3526 * loc2c-runtime.h: File removed.
3527 * test2.c: File removed.
3528 * Makefile.am (EXTRA_DIST): Variable removed.
3529 (noinst_HEADERS): Remove loc2c.h from here.
3531 2005-07-28 Ulrich Drepper <drepper@redhat.com>
3533 * libdwfl.h: Add a few missing extern for function prototypes.
3535 * libdwfl_crc32.c: New file.
3536 * libdwfl_crc32_file.c: New file.
3537 * libdwflP.h: Declare the new functions.
3538 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
3539 libdwfl_crc32_file.c.
3540 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
3541 instead of crc32_file.
3543 2005-07-28 Roland McGrath <roland@redhat.com>
3545 * ptest.c: Moved to ../tests/dwflmodtest.c.
3547 * Makefile.am (noinst_PROGRAMS): Variable removed.
3548 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
3549 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
3550 (libdwfl): Don't use libdwfl.so any more.
3551 (libdwfl.so, install, uninstall): Targets removed.
3552 (test2_SOURCES): Define EXTRA_DIST instead of this.
3553 * libdwfl.map: File removed.
3555 * libdwfl.h: Use "" for libdw.h #include.
3557 2005-07-27 Roland McGrath <roland@redhat.com>
3559 * libdwfl.map: Add dwfl_getmodules.
3561 2005-07-23 Ulrich Drepper <drepper@redhat.com>
3563 * Makefile.am: Fix rules to allow building with mudflap.
3565 2005-07-21 Roland McGrath <roland@redhat.com>
3567 * Makefile.am (noinst_HEADERS): Add loc2c.c.
3569 * test2.c (main): Check sscanf result to quiet warning.
3571 2005-07-20 Roland McGrath <roland@redhat.com>
3573 * libdwfl-branch merged, creating this direcotry.