1 2022-07-28 Di Chen <dichen@redhat.com>
3 * libdwfl.h (dwfl_frame_reg): New function.
4 * libdwflP.h (DWFL_E_REGISTER_VAL_UNKNOWN): New error code.
5 (__libdwfl_frame_reg_get): Return an int.
6 (dwfl_frame_reg): INTDECL.
7 * dwfl_frame_regs.c (dwfl_frame_reg): New function.
8 * frame_unwind.c (__libdwfl_frame_reg_get): Return an int.
9 (state_get_reg): Removed.
10 (expr_eval): Use INTUSE (dwfl_frame_reg) instead of state_get_reg.
11 (handle_cfi): Likewise.
13 * linux-core-attach.c (core_set_initial_registers): Check
14 __libdwfl_frame_reg_get returns zero.
16 2022-07-28 Mark Wielaard <mark@klomp.org>
18 * core-file.c (elf_begin_rand): Replace struct ar_hdr h with
19 a char ar_size[AR_SIZE_CHARS + 1] array to read size.
21 2022-07-18 Shahab Vahedi <shahab@synopsys.com>
23 * debuginfod-client.c (dwfl_get_debuginfod_client stub):
24 Add a name to the sole parameter.
26 2022-07-13 Mark Wielaard <mark@klomp.org>
28 * debuginfod-client.c (dwfl_get_debuginfod_client): Add INTDEF.
29 (__libdwfl_debuginfod_find_executable): Use
30 INTUSE (dwfl_get_debuginfod_client).
31 (__libdwfl_debuginfod_find_debuginfo): Likewise.
33 2022-06-22 Milian Wolff <mail@milianw.de>
35 * libdwfl.h, debuginfod-client.c (dwfl_get_debuginfod_client):
36 Rename get_client to dwfl_get_debuginfod_client and make it public.
38 2022-05-15 Mark Wielaard <mark@klomp.org>
40 * libdwfl.h (dwfl_module_addrinfo): Update docs and nonnull
41 attribute to make clear offset and sym cannot be NULL.
43 2022-04-22 Mark Wielaard <mark@klomp.org>
45 * debuginfod-client.c (init_control): New static pthread_once_t.
46 (get_client): Use pthread_once to call __libdwfl_debuginfod_init.
47 (__libdwfl_debuginfod_init): Make static, remove attribute
50 2022-02-18 Mark Wielaard <mark@klomp.org>
52 * image-header.c (__libdw_image_header): Assign header values for
53 magic1, magic2, version, offset, length and sects using memcpy.
55 2022-02-18 Mark Wielaard <mark@klomp.org>
57 * offline.c (process_archive_member): Close member if process_file
60 2022-01-03 Mark Wielaard <mark@klomp.org>
62 * link_map.c (dwfl_link_map_report): Only declare d32 and d64 before
65 2022-01-03 Mark Wielaard <mark@klomp.org>
67 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
68 dyn_data and set xlatefrom.d_buf to dyns when dyns is not aligned.
70 2022-01-03 Mark Wielaard <mark@klomp.org>
72 * link_map.c (read_addrs): Fix buffer_available nb overflow.
74 2021-12-23 Mark Wielaard <mark@klomp.org>
76 * link_map.c (read_addrs): Calculate addr to read by hand.
78 2021-12-23 Mark Wielaard <mark@klomp.org>
80 * link_map.c (dwfl_link_map_report): Call memcpy and set in.d_buf to
81 out.d_buf before calling xlatetom for unaligned buffers.
83 2021-12-23 Mark Wielaard <mark@klomp.org>
85 * core-file.c (dwfl_elf_phdr_memory_callback): Check start <
86 elf->maximum_size and end - start < minread.
88 2021-12-20 Mark Wielaard <mark@klomp.org>
90 * dwfl_segment_report_module.c (dwfl_segment_report_module): Move
91 and initialize struct elf_build_id build_id early. Only free memory
92 early when no longer needed. Free memory if not NULL at out.
94 2021-12-19 Mark Wielaard <mark@klomp.org>
96 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
97 data and set xlatefrom.d_buf to notes when data is not aligned.
99 2021-12-19 Mark Wielaard <mark@klomp.org>
101 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
102 ph_buffer and set xlatefrom.d_buf to phdrsp when ph_buffer is not
105 2021-12-19 Mark Wielaard <mark@klomp.org>
107 * dwfl_segment_report_module.c (dwfl_segment_report_module): Copy
108 buffer and set xlatefrom.d_buf to ehdr when buffer is not aligned.
110 2021-12-19 Mark Wielaard <mark@klomp.org>
112 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
113 notes filesz. Rewrite reading of GElf_Nhdr.
115 2021-12-08 Mark Wielaard <mark@klomp.org>
117 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make sure
118 that dyn_filesz can contain at least one Elf_Dyn and isn't larger than
121 2021-12-08 Mark Wielaard <mark@klomp.org>
123 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make sure
124 that ph_buffer_size has room for at least one phdr.
126 2021-12-08 Mark Wielaard <mark@klomp.org>
128 * dwfl_segment_report_module.c (dwfl_segment_report_module): Make
129 sure the note len increases each iteration.
131 2021-12-17 Mark Wielaard <mark@klomp.org>
133 * libdwflP.h (dwfl_segment_report_module): Add maxread argument.
134 * core-file.c (dwfl_core_file_report): Pass elf->maximum_size to
135 dwfl_segment_report_module.
136 * dwfl_segment_report_module.c (dwfl_segment_report_module): Add
137 maxread argument. Check file_trimmed_end against maxread.
139 2021-12-16 Mark Wielaard <mark@klomp.org>
141 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
142 note data is properly aligned.
144 2021-12-16 Mark Wielaard <mark@klomp.org>
146 * link_map.c (dwfl_link_map_report): Make sure phnum is non-zero.
148 2021-12-16 Mark Wielaard <mark@klomp.org>
150 * link_map.c (dwfl_link_map_report): Make sure dyn_filesz / entsize is
153 2021-12-08 Mark Wielaard <mark@klomp.org>
155 * dwfl_segment_report_module.c (dwfl_segment_report_module): Add
156 len overflow check while iterating notes.
158 2021-12-15 Mark Wielaard <mark@klomp.org>
160 * link_map.c (dwfl_link_map_report): Make sure phent is either sizeof
161 Elf32_Phdr or sizeof Elf64_Phdr. Check in.d_size can hold at least one
164 2021-12-12 Mark Wielaard <mark@klomp.org>
166 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't
167 allocate more than SIZE_MAX.
169 2021-12-09 Mark Wielaard <mark@klomp.org>
171 * link_map.c (dwfl_link_map_report): Limit dyn_filesz malloc size
172 to max possible. When converting make sure we don't exceed the number
173 of bytes available in either in.d_buf or out.d_buf.
175 2021-12-08 Mark Wielaard <mark@klomp.org>
177 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
178 Dwfl_Module isn't associated with an Elf before installing it.
180 2021-12-08 Mark Wielaard <mark@klomp.org>
182 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't
185 2021-12-08 Mark Wielaard <mark@klomp.org>
187 * link_map.c (dwfl_link_map_report): Make sure phent != 0.
189 2021-12-08 Mark Wielaard <mark@klomp.org>
191 * link_map.c (dwfl_link_map_report): Limit malloc size to max
192 possible. When converting make sure we don't exceed the number
193 of bytes available in either in.d_buf nor out.d_buf.
195 2021-12-08 Mark Wielaard <mark@klomp.org>
197 * dwfl_segment_report_module.c (dwfl_segment_report_module): Don't
198 read beyond of (actual) end of (memory) file.
200 2021-11-18 Matthias Maennich <maennich@google.com>
202 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules):
203 Add one to modname array size.
205 2021-02-14 Alexander Miller <alex.miller@gmx.de>
207 * core-file.c (dwfl_core_file_report): Move NEW_VERSION before
208 definition. Replace INTDEF with NEW_INTDEF.
209 * dwfl_module_build_id.c (dwfl_module_build_id): Likewise.
210 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
212 2021-09-06 Dmitry V. Levin <ldv@altlinux.org>
214 * linux-pid-attach.c (read_cached_memory): Remove cast of malloc
217 2021-06-09 Omar Sandoval <osandov@fb.com>
219 * link_map.c (read_addrs): Fix potential NULL pointer dereference.
221 2021-04-19 Martin Liska <mliska@suse.cz>
223 * dwfl_frame.c (dwfl_attach_state): Use startswith.
224 * dwfl_module_getdwarf.c (find_symtab): Likewise.
225 * linux-kernel-modules.c: Likewise.
226 * linux-pid-attach.c (linux_proc_pid_is_stopped): Likewise.
227 (dwfl_linux_proc_attach): Likewise.
228 * relocate.c (resolve_symbol): Likewise.
229 (relocate_section): Likewise.
231 2021-02-01 Érico Nogueira <ericonr@disroot.org>
233 * dwfl_error.c (strerror_r): Only use the GNU version when available.
235 2021-01-08 Timm Bäder <tbaeder@redhat.com>
237 * elf-from-memory.c (elf_from_remote_memory): Add for loop over
238 switch. inline handle_segment call, set vaddr, offset and filesz
239 directly based on class.
241 2021-01-08 Timm Bäder <tbaeder@redhat.com>
243 * elf-from-memory.c (elf_from_remote_memory): Use if instead of
244 switch on class. Set new vaddr, memsz, offset and filesz
245 variables. Inline handle_segment function check and set loadbase,
246 found_base, segments_end and segments_end_mem directly.
248 2020-12-16 Dmitry V. Levin <ldv@altlinux.org>
250 * argp-std.c (_): Remove.
251 * libdwflP.h (_): Likewise.
253 2020-12-12 Dmitry V. Levin <ldv@altlinux.org>
255 * libdwfl.h: Fix spelling typos in comments.
256 * dwfl_module_getdwarf.c (open_elf, find_symtab): Likewise.
257 * dwfl_report_elf.c (__libdwfl_elf_address_range): Likewise.
258 * linux-pid-attach.c (read_cached_memory): Likewise.
260 2020-12-07 Timm Bäder <tbaeder@redhat.com>
262 * link_map.c (report_r_debug): Pull read_addrs() function into
265 2020-12-07 Timm Bäder <tbaeder@redhat.com>
267 * link_map.c (report_r_debug): Pull release_buffer() function into
268 file scope. Add memory_closure struct.
270 2020-12-08 Dmitry V. Levin <ldv@altlinux.org>
272 * debuginfod-client.c (__libdwfl_debuginfod_init): Replace
273 "libdebuginfod-" VERSION ".so" with DEBUGINFOD_SONAME in dlopen call.
274 Do not fall back to dlopen of "libdebuginfod.so".
276 2020-12-01 Timm Bäder <tbaeder@redhat.com>
278 * link_map.c (dwfl_link_map_report): Removed consider_phdr function
281 2020-11-28 Mark Wielaard <mark@klomp.org>
283 * dwfl_segment_report_module.c (dwfl_segment_report_module):
284 Use GElf_Addr to calculate note_vaddr instead of size_t.
286 2020-11-26 Timm Bäder <tbaeder@redhat.com>
288 * dwfl_segment_report_module.c (dwfl_segment_report_module):
289 Remove consider_notes function. Inline code for type == PT_NOTE.
291 2020-11-26 Timm Bäder <tbaeder@redhat.com>
293 * dwfl_segment_report_module.c (read_portion): New static function.
294 (dwfl_segment_report_module): Remove read_portion function.
295 Call static function with read_state, start and segment.
297 2020-11-26 Timm Bäder <tbaeder@redhat.com>
299 * dwfl_segment_report_module.c (struct read_state): New.
300 (finish_portion): New static function.
301 (dwfl_segment_report_module): Introduce read_state. Remove
302 finish_portion function. Call static function with read_state.
304 2020-11-23 Timm Bäder <tbaeder@redhat.com>
306 * segment_report_module.c (dwfl_segment_report_module): Remove
307 consider_phdr, do checks inline.
309 2020-11-23 Timm Bäder <tbaeder@redhat.com>
311 * segment_report_module.c (dwfl_segment_report_module): Remove
312 consider_dyn, do checks inline.
314 2020-11-23 Timm Bäder <tbaeder@redhat.com>
316 * segment_report_module.c (dwfl_segment_report_module): Do one
317 loop check for d32/d64 arrays.
319 2020-11-23 Timm Bäder <tbaeder@redhat.com>
321 * segment_report_module.c (dwfl_segment_report_module): Remove
322 read_phdr, do check and call memory_callback directly.
324 2020-11-23 Timm Bäder <tbaeder@redhat.com>
326 * segment_report_module.c (dwfl_segment_report_module): Do one
327 loop check for p32/p64 arrays.
329 2020-11-23 Timm Bäder <tbaeder@redhat.com>
331 * segment_report_module.c (dwfl_segment_report_module): Remove
332 final_read, call memory_callback directly.
334 2020-11-23 Timm Bäder <tbaeder@redhat.com>
336 * segment_report_module.c (struct elf_build_id): New.
337 (dwfl_segment_report_module): Pass build_id as struct.
339 2020-11-23 Timm Bäder <tbaeder@redhat.com>
341 * segment_report_module.c (dwfl_segment_report_module): Remove
342 release_buffer, call memory_callback directly.
344 2020-11-23 Timm Bäder <tbaeder@redhat.com>
346 * segment_report_module.c (dwfl_segment_report_module): Remove
347 segment_read, call memory_callback directly.
349 2020-11-19 Andreas Krebbel <krebbel@linux.ibm.com>
351 * linux-pid-attach.c (pid_memory_read): Shift the upper 4 bytes
352 down on big endian 64 bit targets.
354 2020-11-12 Timm Bäder <tbaeder@redhat.com>
356 * dwfl_segment_report_module.c (dwfl_segment_report_module): Remove
357 finish function, replace with goto out.
359 2020-11-12 Timm Bäder <tbaeder@redhat.com>
361 * dwfl_segment_report_module.c (dwfl_segment_report_module): Declare
362 p32 and p64 as pointers instead of arrays.
364 2020-09-18 Mark Wielaard <mark@klomp.org>
367 * libdwflP.h: Add DWFL_E_ZSTD and __libdw_unzstd.
368 * Makefile.am (libdwfl_a_SOURCES): add zstd.c if ZSTD.
369 * gzip.c: Add defines and includes for ZSTD.
370 (zlib_fail): Don't define for ZSTD.
371 (unzip): Change pread_retry failure from zlib_fail to fail.
373 * open.c (decompress): Also try __libdw_unzstd.
374 * linux-kernel-modules.c (check_suffix): Also TRY ".ko.zst".
376 2020-08-20 Dmitry V. Levin <ldv@altlinux.org>
378 * Makefile.am (libdwfl_a_SOURCES): Conditionalize
379 debuginfod-client.c on LIBDEBUGINFOD.
380 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Conditionalize
381 __libdwfl_debuginfod_find_executable invocation on
382 ENABLE_LIBDEBUGINFOD.
383 * dwfl_end.c (dwfl_end): Conditionalize __libdwfl_debuginfod_end
384 invocation on ENABLE_LIBDEBUGINFOD.
385 * find-debuginfo.c (dwfl_standard_find_debuginfo): Conditionalize
386 __libdwfl_debuginfod_find_debuginfo invocation on
387 ENABLE_LIBDEBUGINFOD.
388 * libdwflP.h: Guard debuginfod.h include with ENABLE_LIBDEBUGINFOD.
389 (struct Dwfl): Guard debuginfod field with ENABLE_LIBDEBUGINFOD.
390 (__libdwfl_debuginfod_find_executable,
391 __libdwfl_debuginfod_find_debuginfo, __libdwfl_debuginfod_end):
392 Guard declarations with ENABLE_LIBDEBUGINFOD.
394 2020-07-05 Mark Wielaard <mark@klomp.org>
396 * argp-std.c (parse_opt): Don't assert, but call fail when
397 dwfl_report_end fails.
398 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't
399 assert, but goto bad_id when snprintf fails.
400 * frame_unwind.c (__libdwfl_frame_unwind): Don't assert, but
401 return when dwfl_frame_pc fails.
402 * linux-core-attach.c (core_set_initial_registers): Don't assert,
403 but return false when gelf_getnote fails or the core note is not
405 * linux-pid-attach.c (dwfl_linux_proc_attach): Don't assert, but
406 goto fail when snprintf fails.
408 2020-06-16 Mark Wielaard <mark@klomp.org>
410 * frame_unwind.c (handle_cfi): Flag an error if
411 return_address_register is invalid.
413 2020-06-16 Mark Wielaard <mark@klomp.org>
415 * linux-kernel-modules.c (try_kernel_name): Don't try other
416 compressed kernels if we already found an compressed image.
418 2020-05-09 Mark Wielaard <mark@klomp.org>
420 * find-debuginfo.c (dwfl_standard_find_debuginfo): Return failure
423 2020-05-08 Mark Wielaard <mark@klomp.org>
425 * libdwfl/core-file.c (dwfl_core_file_report): Keep track of
426 new bool cleanup_user_core and cleanup dwfl->user_core in error
429 2020-04-30 Mark Wielaard <mark@klomp.org>
431 * find-debuginfo.c (dwfl_standard_find_debuginfo): When mod->dw
432 is already set then try fetching debugaltlink.
434 2020-04-25 Mark Wielaard <mark@klomp.org>
436 * gzip.c (open_stream): Return DWFL_E_NOMEM instead of calling
439 2020-04-16 Mark Wielaard <mark@klomp.org>
441 * find-debuginfo.c (dwfl_standard_find_debuginfo): Initialize bits
444 2020-01-24 Mark Wielaard <mark@klomp.org>
446 * linux-kernel-modules.c (find_kernel_elf): Check release isn't NULL.
447 (report_kernel): Check release and *release aren't NULL.
448 (report_kernel_archive): Likewise.
450 2019-12-11 Omar Sandoval <osandov@fb.com>
452 * libdwflP.h (Dwfl_Module): Remove coalescing state.
453 Rename lookup_tail_ndx to next_segndx.
454 * segment.c (dwfl_report_segment): Remove coalescing logic.
455 * libdwfl.h (dwfl_report_segment): Document that IDENT is ignored.
457 2019-12-05 Mark Wielaard <mark@klomp.org>
459 * linux-kernel-modules.c (find_kernel_elf): Also try to find
462 2019-10-28 Aaron Merey <amerey@redhat.com>
464 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Call debuginfod
465 client functions via dlopen to look for elf/dwarf files as fallback.
466 * find-debuginfo.c (dwfl_standard_find_debuginfo): Ditto.
468 2019-10-07 Omar Sandoval <osandov@fb.com>
470 * dwfl_frame.c (dwfl_getthreads): Get rid of unnecessary
471 thread_free_all_states calls.
473 (state_free): Remove function.
474 (thread_free_all_states): Remove function.
475 (free_states): Add function.
476 (dwfl_thread_getframes): Don't update thread->unwound while unwinding.
477 * libdwflP.h (struct Dwfl_Thread): Update comment for unwound member.
479 2019-08-12 Mark Wielaard <mark@klomp.org>
481 * gzip.c (open_stream): Return DWFL_E_ERRNO on bad file operation.
482 * open.c (libdw_open_elf): New argument bad_elf_ok. Check it and
483 return DWFL_E_NOERROR in case it is set and error was DWFL_E_BADELF.
484 (__libdw_open_file): Call libdw_open_elf with bad_elf_ok false.
485 (__libdw_open_elf): Call libdw_open_elf with bad_elf_ok true.
487 2019-08-05 Omar Sandoval <osandov@fb.com>
489 * dwfl_segment_report_module.c (dwfl_segment_report_module): Assign
492 2019-04-28 Mark Wielaard <mark@klomp.org>
494 * frame_unwind.c (expr_eval): Make sure we left shift a unsigned
497 2019-04-28 Mark Wielaard <mark@klomp.org>
499 * cu.c (addrarange): Only call realloc when naranges is not zero.
501 2019-03-27 Mark Wielaard <mark@klomp.org>
503 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
504 ph_buffer_size vs xlatefrom.d_size after read_portion call.
506 2019-02-24 Mark Wielaard <mark@klomp.org>
508 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before
510 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm.
512 2019-01-25 Yonghong Song <yhs@fb.com>
514 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to
515 read the inode number.
517 2019-01-20 Mark Wielaard <mark@klomp.org>
519 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
520 dyn_filesz vs dyn_data_size after read_portion call.
522 2019-01-16 Mark Wielaard <mark@klomp.org>
524 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note.
525 (core_set_initial_registers): Likewise.
527 2018-10-23 Mark Wielaard <mark@klomp.org>
529 * relocate.c (relocate_section): Only sanity check mmapped Elf files
530 for overlap. Don't error when section data was malloced, not mmapped.
532 2018-10-20 Mark Wielaard <mark@klomp.org>
534 * libdwflP.h (__libdw_open_elf): New internal function declaration.
535 * open.c (what_kind): Rename close_fd to may_close_fd.
536 (__libdw_open_file): Replaced (and renamed) by a call to ...
537 (libdw_open_elf): this. And add never_close_fd argument.
538 (__libdw_open_elf): New function that calls libdw_open_elf.
540 2018-10-18 Mark Wielaard <mark@klomp.org>
542 * dwfl_segment_report_module.c (consider_note): Take align as new
543 argument. Use align to set d_type and calculate padding.
544 (dwfl_segment_report_module): Pass align to consider_notes.
545 * core-file.c (dwfl_core_file_report): Check p_align to set ELF
547 * linux-kernel-modules.c (check_notes): Check name and type of note
548 to determine padding.
550 2018-10-19 Mark Wielaard <mark@klomp.org>
552 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero.
554 2018-10-14 Mark Wielaard <mark@klomp.org>
556 * dwfl_segment_report_module.c (read_portion): Check requested
557 filesz isn't larger than buffer_available.
558 (dwfl_segment_report_module): Check data_size vs filesz after
561 2018-10-02 Andreas Schwab <schwab@suse.de>
563 * relocate.c (relocate): Handle ADD/SUB relocations.
565 2018-09-13 Mark Wielaard <mark@klomp.org>
567 * dwfl_segment_report_module.c (dwfl_segment_report_module):
568 Document why we use e_shnum directly.
569 * elf-from-memory.c (elf_from_remote_memory): Likewise.
571 2018-07-17 Ulf Hermann <ulf.hermann@qt.io>
573 * linux-pid-attach.c: Include sys/uio.h only on linux.
575 2018-06-04 Mark Wielaard <mark@klomp.org>
577 * libdwflP.h (__libdwfl_addrsym): Remove function declaration.
578 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function.
580 2018-05-27 Mark Wielaard <mark@klomp.org>
582 * relocate.c (__libdwfl_relocate): Always call relocate_section with
585 2018-05-17 Mark Wielaard <mark@klomp.org>
587 * dwfl_module (__libdwfl_module_free): Free elfdir.
588 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after
589 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the
590 main module file and we recorded the elfdir.
591 * libdwflP.h (struct Dwfl_Module): Add elfdir field.
592 * offline.c (process_elf): Record the elfdir before we close the
593 main ELF file descriptor.
595 2018-04-10 Mark Wielaard <mark@klomp.org>
597 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for
598 the return address either set an error or mark the pc undefined.
600 2018-03-17 Mark Wielaard <mark@klomp.org>
602 * libdwflP.h (struct __libdwfl_remote_mem_cache): New.
603 (struct __libdwfl_pid_arg): Add mem_cache field.
604 * linux-pid-attach.c (read_cached_memory): New function.
605 (clear_cached_memory): Likewise.
606 (pid_memory_read): Call read_cached_memory.
607 (pid_detach): Free mem_cache.
608 (pid_thread_detach): Call clear_cached_memory.
609 (dwfl_linux_proc_attach): Initialize mem_cache to NULL.
611 2018-03-05 Mark Wielaard <mark@klomp.org>
613 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use
614 realpath (name, NULL) instead of canonicalize_file_name (name).
615 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise.
617 2018-01-29 Mark Wielaard <mark@klomp.org>
619 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of
620 DIE_OFFSET_FROM_CU_OFFSET.
621 (intern_cu): Simply use a copy of the given die CU as key instead of
622 trying to construct a dummy one by hand.
624 2018-02-15 Mark Wielaard <mark@klomp.org>
626 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h.
628 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
630 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
631 macro instead of comment.
632 * frame_unwind.c (expr_eval): Likewise.
634 2017-11-20 Mark Wielaard <mark@klomp.org>
636 * link_map.c (do_check64): Take a char * and calculate type and val
637 offsets before reading, possibly unaligned, values.
638 (do_check32): Likewise.
639 (check64): Remove define.
641 (auxv_format_probe): Call do_check32 and do_check64 directly with
642 a, possibly unaligned, auxv entry pointer.
643 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
644 possibly unaligned auxv entry pointer.
646 2017-10-16 Mark Wielaard <mark@klomp.org>
648 * argp-std.c (parse_opt): For -k call argp_failure not failure to
651 2017-07-26 Yunlian Jiang <yunlian@google.com>
653 * argp-std.c (failure): Move to file scope.
656 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
657 Mark Wielaard <mark@klomp.org>
659 * derelocate.c (compare_secrefs): Compare by end address and then by
660 section number if addresses are equal.
662 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
663 Mark Wielaard <mark@klomp.org>
665 * linux-kernel-modules.c: Always return NULL from kernel_release() on
666 non-linux systems and set errno to ENOTSUP.
668 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
670 * libdwflP.h: Don't include config.h.
671 * argp-std.c: Include config.h.
673 * derelocate.c: Likewise.
674 * dwfl_addrdie.c: Likewise.
675 * dwfl_addrdwarf.c: Likewise.
676 * dwfl_addrmodule.c: Likewise.
677 * dwfl_begin.c: Likewise.
678 * dwfl_build_id_find_debuginfo.c: Likewise.
679 * dwfl_build_id_find_elf.c: Likewise.
680 * dwfl_cumodule.c: Likewise.
681 * dwfl_dwarf_line.c: Likewise.
682 * dwfl_end.c: Likewise.
683 * dwfl_frame.c: Likewise.
684 * dwfl_frame_regs.c: Likewise.
685 * dwfl_getdwarf.c: Likewise.
686 * dwfl_getmodules.c: Likewise.
687 * dwfl_getsrc.c: Likewise.
688 * dwfl_getsrclines.c: Likewise.
689 * dwfl_line_comp_dir.c: Likewise.
690 * dwfl_linecu.c: Likewise.
691 * dwfl_lineinfo.c: Likewise.
692 * dwfl_linemodule.c: Likewise.
693 * dwfl_module.c: Likewise.
694 * dwfl_module_addrdie.c: Likewise.
695 * dwfl_module_addrname.c: Likewise.
696 * dwfl_module_addrsym.c: Likewise.
697 * dwfl_module_build_id.c: Likewise.
698 * dwfl_module_dwarf_cfi.c: Likewise.
699 * dwfl_module_eh_cfi.c: Likewise.
700 * dwfl_module_getdarf.c: Likewise.
701 * dwfl_module_getelf.c: Likewise.
702 * dwfl_module_getsrc.c: Likewise.
703 * dwfl_module_getsrc_file.c: Likewise.
704 * dwfl_module_getsym.c: Likewise.
705 * dwfl_module_info.c: Likewise.
706 * dwfl_module_nextcu.c: Likewise.
707 * dwfl_module_register_names.c: Likewise.
708 * dwfl_module_report_build_id.c: Likewise.
709 * dwfl_module_return_value_location.c: Likewise.
710 * dwfl_nextcu.c: Likewise.
711 * dwfl_onesrcline.c: Likewise.
712 * dwfl_report_elf.c: Likewise.
713 * dwfl_validate_address.c: Likewise.
714 * dwfl_version.c: Likewise.
715 * find-debuginfo.c: Likewise.
717 * image-header.c: Likewise.
719 * linux-core-attach.c: Likewise.
720 * linux-pid-attach.c: Likewise.
721 * offline.c: Likewise.
723 * relocate.c: Likewise.
724 * segment.c: Likewise.
726 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
728 * libdwfl.h: Use __const_attribute__.
730 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
732 * elf-from-memory.c: Explicitly cast phnum to size_t.
734 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
736 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
739 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
741 * dwfl_frame.c: Drop unused sys/ptrace.h include.
742 * frame_unwind.c: Likewise.
743 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
746 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
748 * linux-kernel-modules.c: Include sys/types.h before fts.h
750 2017-03-24 Mark Wielaard <mark@klomp.org>
752 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
753 the note name data is the empty string.
754 (dwfl_core_file_attach): Likewise.
756 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
758 * linux-kernel-modules.c: Include system.h.
760 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
762 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
763 * linux-proc-maps.c: Likewise.
765 2016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
767 * dwfl_build_id_find_elf.c: Include system.h.
768 * dwfl_module_getdwarf.c: Likewise.
769 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
771 2016-11-23 Mark Wielaard <mjw@redhat.com>
773 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
776 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
778 * core-file.c: Remove sys/param.h.
779 * dwfl_segment_report_module.c: Likewise. Add system.h include.
780 (MAX): Remove definition.
781 * frame_unwind.c: Add system.h include.
782 (MAX): Remove definition.
783 * linux-core-attach.c (MIN): Remove definition.
784 * linux-pid-attach.c (MAX): Likewise.
786 2016-08-12 Mark Wielaard <mjw@redhat.com>
788 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
790 2016-04-14 Mark Wielaard <mjw@redhat.com>
792 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
793 on invalid DWARF if we allocated it.
795 2016-04-14 Mark Wielaard <mjw@redhat.com>
797 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
800 2016-03-01 Steven Chamberlain <steven@pyro.eu.org>
802 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
803 pid_thread_detach, pid_detach, pid_set_initial_registers,
804 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
807 2016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
808 Mark Wielaard <mjw@redhat.com>
810 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
811 debuglink_file is NULL. Try file basename (without .debug) ofr
812 absolute and relative path if debug_file was NULL.
813 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
814 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
817 2016-02-13 Mark Wielaard <mjw@redhat.com>
819 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
821 2016-02-13 Mark Wielaard <mjw@redhat.com>
823 * frame_unwind.c (new_unwound): Check and return unwound.
824 (handle_cfi): Check new_unwound was able to allocate new memory
825 before use. Return DWFL_E_NOMEM otherwise.
827 2016-02-11 Mark Wielaard <mjw@redhat.com>
829 * relocate.c (relocate_section): Check result of all gelf_get* calls.
830 (__libdwfl_relocate): Likewise.
831 (__libdwfl_relocate_section): Likewise.
833 2016-02-11 Mark Wielaard <mjw@redhat.com>
835 * relocate.c (relocate_section): Check result of gelf_update_* calls.
837 2016-01-08 Mark Wielaard <mjw@redhat.com>
839 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
840 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
842 (try_kernel_name): Likewise.
843 (check_suffix): Likewise.
844 * open.c (decompress): Likewise.
846 2015-12-18 Mark Wielaard <mjw@redhat.com>
848 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
849 sections and aux_str, aux_xndx and aux_sym sections if necessary.
850 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
852 (resolve_symbol): Uncompress strtab section if necessary.
853 (relocate_section): Uncompress the section the relocations apply to
856 2015-11-18 Chih-Hung Hsieh <chh@google.com>
858 * linux-proc-maps.c (proc_maps_report): Move nested function
859 'report' to file scope.
861 2015-11-18 Chih-Hung Hsieh <chh@google.com>
863 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
865 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
866 'update_end' and 'more' to file scope.
868 2015-11-17 Chih-Hung Hsieh <chh@google.com>
870 * link_map.c (auxv_format_probe): Move nested functions
871 check64 and check32 to file scope.
873 2015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
875 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
876 the value of the return address register as defined by the CFI
878 * frame_unwind.c (handle_cfi): Likewise.
880 2015-12-01 Mark Wielaard <mjw@redhat.com>
882 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
883 from exec or memory_callback, free as appropriate.
885 2015-12-01 Mark Wielaard <mjw@redhat.com>
887 * libdwflP.h (struct Dwfl_User_Core): New.
888 (struct DWfl): Replace executable_for_core with user_core.
889 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
890 * core-file.c (dwfl_core_file_report): Check and store
891 executable_for_core in Dwfl user_core.
892 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
893 executable_for_core in Dwfl user_core.
894 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
895 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
897 (dwfl_link_map_report): Likewise.
899 2015-11-16 Chih-Hung Hsieh <chh@google.com>
901 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
902 function 'consider_shdr' to file scope.
903 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
904 'translate_offs' to file scope.
906 2015-11-16 Chih-Hung Hsieh <chh@google.com>
908 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
909 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
912 2015-11-19 Mark Wielaard <mjw@redhat.com>
914 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
915 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
918 2015-11-13 Chih-Hung Hsieh <chh@google.com>
920 * gzip.c (unzip): Move nested functions to file scope.
922 2015-10-21 Chih-Hung Hsieh <chh@google.com>
923 Mark Wielaard <mjw@redhat.com>
925 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
926 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
927 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
930 2015-10-21 Chih-Hung Hsieh <chh@google.com>
932 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
933 to file scope. Pass used local variables in struct eval_stack.
935 2015-10-21 Chih-Hung Hsieh <chh@google.com>
937 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
940 2015-10-09 Josh Stone <jistone@redhat.com>
942 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
943 * open.c (decompress): Replace off64_t with off_t.
944 * gzip.c (unzip): Likewise.
945 * image-header.c (__libdw_image_header): Likewise.
946 * libdwflP.h: Likewise in function declarations.
947 * argp-std.c (parse_opt): Replace open64 with open.
948 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
949 dwfl_build_id_find_elf): Likewise.
950 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
951 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
952 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
953 * link_map.c (report_r_debug): Likewise.
954 * offline.c (dwfl_report_offline): Likewise.
955 * linux-proc-maps.c (grovel_auxv, get_pid_class,
956 dwfl_linux_proc_find_elf): Likewise.
957 (read_proc_memory): Replace off64_t with off_t.
958 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
959 fstat64 with stat and fstat.
960 (try_open): Likewise, and replace open64 with open.
961 * linux-kernel-modules.c: Manually define open and fopen to open64 and
962 fopen64 when needed, since the early fts.h include breaks that.
963 (try_kernel_name): Replace open64 with open.
964 (check_notes): Likewise.
966 2015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
968 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
969 pread, as the later doesn't accept negative offsets.
971 2015-10-07 Mark Wielaard <mjw@redhat.com>
973 * dwfl_module_getdwarf.c (MAX): Removed.
974 (find_prelink_address_sync): Allocate exact amount of bytes for
976 * dwfl_segment_report_module.c (dwfl_segment_report_module):
978 * elf-from-memory.c (MAX): Removed.
979 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
981 2015-10-05 Chih-Hung Hsieh <chh@google.com>
983 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
984 union of variable length arrays.
985 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
986 * elf-from-memory.c (elf_from_remote_memory): Likewise.
987 * link_map.c (auxv_format_probe): Likewise.
988 * link_map.c (report_r_debug): Likewise.
989 * link_map.c (dwfl_link_map_report): Likewise.
991 2015-09-18 Chih-Hung Hsieh <chh@google.com>
993 * relocate.c (relocate_section): Move nested function "relocate"
994 to file scope, pass all used local variables as constants.
995 Move nested "check_badreltype" to file scope, pass addresses of
996 updated used local variables.
997 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
998 "read_address" to file scope, pass all updated local variables in
1000 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
1001 function "subst_name" to file scope, pass all used local variables
1003 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
1004 simple nested function "report" with a macro. Work around gcc static
1005 analysis error -Werror=maybe-uninitialized.
1007 2015-09-22 Mark Wielaard <mjw@redhat.com>
1009 * core-file.c: Remove old-style function definitions.
1010 * dwfl_error.c: Likewise.
1011 * dwfl_module_dwarf_cfi.c: Likewise.
1012 * dwfl_module_eh_cfi.c: Likewise.
1013 * dwfl_module_register_names.c: Likewise.
1014 * dwfl_module_return_value_location.c: Likewise.
1015 * dwfl_version.c: Likewise.
1017 2015-09-09 Chih-Hung Hsieh <chh@google.com>
1018 Mark Wielaard <mjw@redhat.com>
1020 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
1021 on parameters declared with __nonnull_attribute__.
1022 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
1025 2015-09-08 Mark Wielaard <mjw@redhat.com>
1027 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
1028 * linux-pid-attach.c (pid_detach): Call elf_end and close.
1029 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
1031 2015-09-04 Chih-Hung Hsieh <chh@google.com
1033 * frame_unwind.c (expr_eval): Use llabs instead of abs.
1035 2015-08-14 Dodji Seketeli <dodji@seketeli.org>
1037 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
1038 debug info file named debuglink_file under
1039 mod->dwfl->callbacks->debuginfo_path, by looking at
1040 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
1041 which is common to the set of non-absolute parent trees of
1044 2015-06-18 Mark Wielaard <mjw@redhat.com>
1046 * find-debuginfo.c (try_open): Free fname on all failure paths.
1048 2015-06-18 Mark Wielaard <mjw@redhat.com>
1050 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
1051 sh_entsize is not zero.
1053 2015-06-06 Mark Wielaard <mjw@redhat.com>
1055 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
1056 localname and file_dirname.
1058 2015-06-06 Mark Wielaard <mjw@redhat.com>
1060 * derelocate.c (cache_sections): Free sortrefs.
1062 2015-06-05 Mark Wielaard <mjw@redhat.com>
1064 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1065 If the note_file exists, but the build_id doesn't match discard
1066 the file and continue reporting.
1068 2015-06-01 Mark Wielaard <mjw@redhat.com>
1070 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
1071 pointer before passing to strsep.
1073 2015-05-30 Mark Wielaard <mjw@redhat.com>
1075 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
1077 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
1080 2015-05-30 Mark Wielaard <mjw@redhat.com>
1082 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
1083 not NULL before calling canonicalize_file_name.
1085 2015-05-24 Mark Wielaard <mjw@redhat.com>
1087 * derelocate.c (check_module): Check mod is not NULL.
1089 2015-05-22 Mark Wielaard <mjw@redhat.com>
1091 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
1092 malloc instead of stack allocating. Call free when done with data.
1094 2015-05-22 Mark Wielaard <mjw@redhat.com>
1096 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1097 Allocate phdrs with malloc, not on stack. free in finish.
1098 Allocate dyn with malloc, not on stack, free after use.
1100 2015-05-22 Mark Wielaard <mjw@redhat.com>
1102 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
1103 instead of alloca or strdupa, local strings of unknown size.
1104 Call free before return.
1106 2015-05-22 Mark Wielaard <mjw@redhat.com>
1108 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
1109 error when id_len too small or too large. strdup, not strdupa,
1110 and free path when done.
1112 2015-05-19 Mark Wielaard <mjw@redhat.com>
1114 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
1115 phdrs on the stack. Allocate with malloc and free when done.
1117 2015-05-19 Mark Wielaard <mjw@redhat.com>
1119 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
1120 free alternate_name.
1122 2015-05-19 Mark Wielaard <mjw@redhat.com>
1124 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
1125 stack allocate name. Only change chars up to suffix.
1127 2015-05-18 Mark Wielaard <mjw@redhat.com>
1129 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
1130 phdrs and shdrs unions with malloc, not alloca. Free after use.
1132 2015-05-18 Mark Wielaard <mjw@redhat.com>
1134 * derelocate.c (cache_sections): Allocate temporary newrefs and
1135 sortrefs with malloc, not alloca. Always free them on return.
1137 2015-05-07 Mark Wielaard <mjw@redhat.com>
1139 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
1140 Dwarf_Die before interning. Explicitly check EOF is expected.
1142 2015-05-05 Mark Wielaard <mjw@redhat.com>
1144 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
1146 2015-05-06 Roland McGrath <roland@hack.frob.com>
1148 * dwfl_error.c (struct msgtable): Break type definition out of
1149 the 'msgtable' initializer.
1150 (msgtable): Make it a union of struct msgtable and a char array.
1151 (msgstr): Use the full-table char array rather than the msg_0 entry.
1153 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
1155 * core-file.c (_compat_without_executable_dwfl_core_file_report):
1156 Guard with SYMBOL_VERSIONING.
1157 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
1159 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
1162 2015-04-02 Mark Wielaard <mjw@redhat.com>
1164 * segment.c (insert): Check correct number of lookup_elts.
1166 2015-03-31 Mark Wielaard <mjw@redhat.com>
1168 * core-file.c (core_file_read_eagerly): Special case small images.
1170 2015-01-26 Mark Wielaard <mjw@redhat.com>
1172 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
1173 syments and first_global on elferr before calling find_dynsym.
1175 2014-12-27 Mark Wielaard <mjw@redhat.com>
1177 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
1178 has end_sequence set.
1180 2015-01-04 Mark Wielaard <mjw@redhat.com>
1182 * cu.c (intern_cu): Store result and return directly when finding
1184 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
1186 2014-12-19 Mark Wielaard <mjw@redhat.com>
1188 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
1190 2014-12-19 Mark Wielaard <mjw@redhat.com>
1192 * elf-from-memory.c (handle_segment): Remove palign sanity check.
1194 2014-12-18 Mark Wielaard <mjw@redhat.com>
1196 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
1198 2014-12-13 Mark Wielaard <mjw@redhat.com>
1200 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
1201 a size_t, make sure it doesn't overflow.
1203 2014-12-13 Mark Wielaard <mjw@redhat.com>
1205 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
1206 wrap around before returning as int.
1208 2014-12-11 Josh Stone <jistone@redhat.com>
1210 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
1211 record <= addr, rather than returning immediately on matches.
1213 2014-12-09 Mark Wielaard <mjw@redhat.com>
1215 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
1218 2014-12-07 Mark Wielaard <mjw@redhat.com>
1220 * relocate.c (relocate_section): Sanity check section overlap against
1221 actually used ehsize, shentsize and phentsize.
1223 2014-12-07 Mark Wielaard <mjw@redhat.com>
1225 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
1226 * relocate.c (__libdwfl_relocate_value): Don't relocate against
1229 2014-11-29 Mark Wielaard <mjw@redhat.com>
1231 * relocate.c (relocate_section): Check relocation section and target
1232 section data don't overlap any of the ELF headers.
1233 (relocate): Check for offset + size overflow.
1235 2014-11-22 Mark Wielaard <mjw@redhat.com>
1237 * link_map.c (consider_executable): Use elf_getphdrnum.
1238 (dwfl_link_map_report): Likewise.
1240 2014-11-18 Mark Wielaard <mjw@redhat.com>
1242 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
1243 number of symbols and first_global before use.
1245 2014-11-14 Mark Wielaard <mjw@redhat.com>
1247 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
1250 2014-11-10 Mark Wielaard <mjw@redhat.com>
1252 * dwfl_module_getdwarf.c (find_dynsym): New inner function
1253 translate_offs that takes an adjust argument. Try finding
1254 the symbol table with and without adjusting to main_bias.
1256 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1258 Support NT_FILE for locating files.
1259 * core-file.c (dwfl_core_file_report): New variables note_file and
1260 note_file_size, set them and pass them to dwfl_segment_report_module.
1261 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
1262 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
1263 (invalid_elf): New function from code of dwfl_segment_report_module.
1264 (dwfl_segment_report_module): Add parameters note_file and
1265 note_file_size. New variables elf and fd, clean them up in finish.
1266 Move some code to invalid_elf. Call handle_file_note, if it found
1267 a name verify the file by invalid_elf. Protect elf and fd against
1268 cleanup by finish if we found the file for new Dwfl_Module.
1269 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
1272 2014-09-23 Mark Wielaard <mjw@redhat.com>
1274 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1275 Extract ei_class, ei_data and e_type early and use the result.
1277 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1279 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
1280 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
1282 * libdwflP.h (struct Dwfl_Module): New field is_executable.
1284 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
1286 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
1288 (find_dynsym): Pass the new parameter main_bias.
1290 2014-08-14 Mark Wielaard <mjw@redhat.com>
1292 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
1294 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
1296 Fix report_r_debug for prelinked libraries.
1297 * link_map.c (report_r_debug): Comment out variable l_addr.
1298 Use instead new variable base recalculated from l_ld.
1300 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
1302 * linux-pid-attach.c: Make it build on non linux hosts.
1304 2014-06-17 Mark Wielaard <mjw@redhat.com>
1306 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
1307 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
1309 2014-06-15 Mark Wielaard <mjw@redhat.com>
1311 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
1312 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
1313 to read possibly unaligned data.
1314 (core_next_thread): Likewise.
1315 (core_set_initial_registers): Likewise.
1316 (dwfl_core_file_attach): Likewise.
1318 2014-06-11 Mark Wielaard <mjw@redhat.com>
1320 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
1321 (dwfl_attach_state): Set dwfl->attacherr.
1322 (dwfl_pid): Check and return dwfl->attacherr if set.
1323 (dwfl_getthreads): Likewise.
1324 (getthread): Likewise.
1325 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
1326 (struct Dwfl): Add attacherr field.
1327 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
1328 Don't assert if ELF file is not ET_CORE, just return error.
1329 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
1331 2014-06-10 Mark Wielaard <mjw@redhat.com>
1333 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
1334 or dwfl_linux_proc_attach.
1336 2014-05-15 Mark Wielaard <mjw@redhat.com>
1338 * linux-proc-maps.c (grovel_auxv): Close fd on error.
1340 2014-05-02 Mark Wielaard <mjw@redhat.com>
1342 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
1345 2014-05-01 Mark Wielaard <mjw@redhat.com>
1347 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
1348 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
1349 (__libdwfl_open_by_build_id): New declaration that takes an explicit
1351 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
1352 we already have the Dwarf then look for the alt dwz multi file by
1354 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
1355 build-id we are looking for as argument.
1356 (__libdwfl_open_mod_by_build_id): New function, calls
1357 __libdwfl_open_by_build_id.
1358 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
1359 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
1360 close alt_fd if necessary.
1361 * dwfl_module_getdwarf.c (__check_build_id): Removed.
1362 (try_debugaltlink): Removed.
1363 (open_debugaltlink): Removed.
1364 (open_elf_file): First half of open_elf that just opens the elf
1365 file but doesn't setup the load address.
1366 (open_elf): Call open_elf_file.
1367 (find_debug_altlink): New function.
1368 (load_dw): Remove loading of dwz multifile.
1369 (find_dw): Call find_debug_altlink.
1370 * find-debuginfo.c (validate): Handle alt debug case using
1371 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
1372 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
1374 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
1375 to store name to find by dwfl_standard_find_debuginfo instead of
1376 allocating an extra variable on stack.
1378 2014-04-30 Mark Wielaard <mjw@redhat.com>
1380 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
1381 dwelf_elf_gnu_build_id.c.
1382 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
1383 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
1384 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
1385 * dwfl_module_getdwarf.c (__check_build_id): Implement using
1386 dwelf_elf_gnu_build_id.
1388 2014-04-15 Florian Weimer <fweimer@redhat.com>
1390 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
1391 (try_debugaltlink): Likewise.
1392 (open_debugaltlink): Likewise.
1393 (load_dw): Locate alternate debug information using
1394 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
1396 2014-04-11 Mark Wielaard <mjw@redhat.com>
1398 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
1399 * libdwflP.h: Include libdwelfP.h.
1400 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
1401 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
1403 2014-04-22 Mark Wielaard <mjw@redhat.com>
1405 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
1407 (__libdwfl_frame_reg_set): Likewise.
1409 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
1411 * linux-pid-attach.c: Make linux only.
1413 2014-03-14 Mark Wielaard <mjw@redhat.com>
1415 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
1416 Remove libelf and libdw definitions when MUDFLAP is defined.
1417 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
1419 2014-03-03 Mark Wielaard <mjw@redhat.com>
1421 * elf-from-memory.c (elf_from_remote_memory): Keep track of
1422 segments_end_mem. Pass memsz to first handle_segment pass. Only
1423 extend contents_size and use shdrs if only file bits are in
1426 2014-03-11 Josh Stone <jistone@redhat.com>
1428 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
1429 mod->e_type when processing the main ELF file.
1431 2014-03-04 Mark Wielaard <mjw@redhat.com>
1433 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
1434 linux-pid-attach.c (struct pid_arg).
1435 (__libdwfl_get_pid_arg): New internal function declaration.
1436 (__libdwfl_ptrace_attach): Likewise.
1437 (__libdwfl_ptrace_detach): Likewise.
1438 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
1439 special exception modules that cannot be checked at this point.
1440 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
1441 (ptrace_attach): Renamed to...
1442 (__libdwfl_ptrace_attach): New internal function.
1443 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
1444 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
1445 (__libdwfl_get_pid_arg): New internal function.
1446 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
1447 module name contains "(deleted)" and dwfl_pid gives an attached
1448 pid. If pid is set and try to (re)use ptrace attach state of
1449 process before reading memory.
1451 2014-03-03 Mark Wielaard <mjw@redhat.com>
1453 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
1454 argument. Free buffer when detecting bad elf. Check PT_LOAD
1455 alignment requirements on first handle_segment pass. Calculate
1456 loadbase, start and end of segment using pagesize, not p_align.
1457 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
1458 to elf_from_remote_memory.
1460 2014-02-26 Mark Wielaard <mjw@redhat.com>
1462 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
1464 2014-02-26 Mark Wielaard <mjw@redhat.com>
1466 * elf-from-memory.c (elf_from_remote_memory): Check against p64
1467 p_type in case ELFCLASS64, not against p32 p_type.
1469 2014-01-17 Petr Machata <pmachata@redhat.com>
1471 * relocate.c (relocate_section): Use gelf_fsize instead of relying
1472 on shdr->sh_entsize.
1474 2014-01-05 Mark Wielaard <mjw@redhat.com>
1476 * frame_unwind.c (handle_cfi): Only skip resetting return register
1477 if the regno is not the actual CIE return address register.
1479 2014-01-02 Mark Wielaard <mjw@redhat.com>
1481 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
1483 2013-12-30 Mark Wielaard <mjw@redhat.com>
1485 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
1486 dwfl_core_file_attach explicitly.
1487 * core-file.c (dwfl_core_file_report): Don't call
1488 __libdwfl_attach_state_for_core implicitly.
1489 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
1490 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
1491 process_attach_error.
1492 (dwfl_getthreads): Likewise.
1493 (getthread): Likewise.
1494 * libdwfl.h (dwfl_core_file_report): Update documentation.
1495 (dwfl_linux_proc_report): Likewise.
1496 (dwfl_core_file_attach): New function declaration.
1497 (dwfl_linux_proc_attach): Likewise.
1498 * libdwflP.h (struct Dwfl): Remove process_attach_error.
1499 (__libdwfl_attach_state_for_pid): Removed declaration.
1500 (__libdwfl_attach_state_for_core): Likewise.
1501 (dwfl_core_file_attach): New internal declaration.
1502 (dwfl_linux_proc_attach): Likewise.
1503 (attach_state_for_core): Renamed to...
1504 (dwfl_core_file_attach): ...this. Change return type.
1505 (__libdwfl_attach_state_for_core): Removed.
1506 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
1507 (pid_set_initial_registers): Check assume_ptrace_stopped before
1509 (pid_thread_detach): Likewise.
1510 (__libdwfl_attach_state_for_pid): Renamed to...
1511 (dwfl_linux_proc_attach): ...this. Adjust return type.
1512 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
1513 __libdwfl_attach_state_for_pid implicitly.
1515 2013-12-28 Mark Wielaard <mjw@redhat.com>
1517 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
1518 character device files, only regular files.
1520 2013-12-24 Mark Wielaard <mjw@redhat.com>
1522 * linux-core-attach.c (core_next_thread): Check whether thread_argp
1523 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
1524 in that case. Free thread_arg if there are no more threads.
1526 2013-12-23 Mark Wielaard <mjw@redhat.com>
1528 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
1529 build_id before returning early.
1531 2013-12-23 Mark Wielaard <mjw@redhat.com>
1533 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
1534 pid (thread group leader) to dwfl_attach_state.
1536 2013-12-21 Mark Wielaard <mjw@redhat.com>
1538 * frame_unwind.c (handle_cfi): Track whether the return register
1539 has been set and only allow it to be set once.
1541 2013-12-20 Mark Wielaard <mjw@redhat.com>
1543 * dwfl_frame.c (one_arg): New struct.
1544 (get_one_thread_cb): New function.
1545 (dwfl_getthread): Likewise.
1546 (one_thread): New struct.
1547 (get_one_thread_frames_cb): New function.
1548 (dwfl_getthread_frames): Likewise.
1549 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
1550 (dwfl_getthread_frames): Likewise.
1551 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
1552 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
1554 * linux-pid-attach.c (pid_getthread): New function.
1555 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
1557 2013-12-20 Mark Wielaard <mjw@redhat.com>
1559 * linux-kernel-modules.c (report_kernel_archive): Correct nested
1560 asprintf result check for debug.a.
1562 2013-12-18 Mark Wielaard <mjw@redhat.com>
1564 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
1565 * dwfl_module_addrname.c (dwfl_module_addrname): Use
1566 dwfl_module_addrinfo.
1567 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
1568 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
1569 for comparisons, not st_value. Fill in off. Search for both value
1570 and the (adjusted) sym.st_value when different.
1571 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
1572 (dwfl_module_addrinfo): New function.
1573 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
1574 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
1575 and possible. Adjust sym->st_value only when requested. Fill in addr
1577 (dwfl_module_getsym_info): New function.
1578 (dwfl_module_getsym): Use __libdwfl_getsym.
1579 * libdwfl.h (dwfl_module_getsym_elf): Removed.
1580 (dwfl_module_getsym_info): New function declaration.
1581 (dwfl_module_addrinfo): Likewise.
1582 (dwfl_module_addrsym): Add documentation describing differences
1583 with addrinfo variants.
1584 (dwfl_module_addrsym_elf): Removed.
1585 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
1586 (__libdwfl_addrsym): Likewise.
1587 (__libdwfl_find_section_ndx): Likewise.
1588 (dwfl_module_addrinfo): New internal declaration.
1589 (dwfl_module_getsym_info): Likewise.
1590 (dwfl_module_addrsym_elf): Removed.
1591 (dwfl_module_getsym_elf): Likewise.
1593 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1595 * argp-std.c (offline_find_elf): Remove.
1596 (offline_callbacks): Use dwfl_build_id_find_elf instead.
1597 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
1600 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1602 unwinder: s390 and s390x
1603 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
1604 * frame_unwind.c (new_unwound): New function from ...
1605 (handle_cfi): ... here. Call it.
1606 (setfunc, getfunc, readfunc): New functions.
1607 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
1608 * linux-core-attach.c (core_set_initial_registers): Always iterate
1609 through the Ebl_Register_Location loop. Call
1610 dwfl_thread_state_register_pc there.
1612 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1614 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
1616 2013-12-17 Mark Wielaard <mjw@redhat.com>
1618 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
1621 2013-12-16 Mark Wielaard <mjw@redhat.com>
1623 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
1625 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
1627 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1628 function definition.
1629 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1631 2013-12-14 Mark Wielaard <mjw@redhat.com>
1633 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1634 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1635 * frame_unwind.c (handle_cfi): Free frame result from
1636 dwarf_cfi_addrframe when done.
1638 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1640 unwinder: ppc and ppc64
1641 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1642 Call ebl_dwarf_to_regno.
1643 * linux-core-attach.c (core_set_initial_registers): Implement
1644 pc_register support.
1645 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1648 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1650 Introduce process_attach_error.
1651 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1652 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1654 * libdwflP.h (struct Dwfl): New field process_attach_error.
1655 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1656 (attach_state_for_core): ... here, make it static, change return type,
1657 no longer use __libdwfl_seterrno.
1658 (__libdwfl_attach_state_for_core): New wrapper for it.
1660 2013-11-27 Mark Wielaard <mjw@redhat.com>
1662 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1663 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1664 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1665 instead of tracking dwfl_files.
1666 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1667 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1668 new elfp and biasp arguments. Track elf instead of file.
1669 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1670 dwfl_module_info.c (dwfl_module_info): Pass elf to
1671 dwfl_adjusted_st_value.
1672 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1673 (dwfl_module_getsym_elf): New function declaration.
1674 (dwfl_module_addrsym_elf): Likewise.
1675 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1676 (dwfl_module_getsym_elf): Likewise.
1677 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1678 (dwfl_deadjust_st_value): Likewise.
1679 (__libdwfl_module_getsym): Removed.
1680 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1682 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1684 Fix non-build-id core files on build-id system.
1685 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1686 be read from memory.
1688 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1690 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1691 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1692 content, if possible.
1694 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1696 link_map: Use proper bias, not l_addr.
1697 * core-file.c (dynamic_vaddr_get): Rename to ...
1698 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1700 (dwfl_core_file_report): Update name in the caller.
1701 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1702 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1703 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1704 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1706 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1708 Compatibility with older kernels such as RHEL-6.
1709 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1710 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1711 (pid_set_initial_registers): Pass tid_was_stopped.
1712 (pid_thread_detach): Use tid_was_stopped.
1714 2013-11-18 Josh Stone <jistone@redhat.com>
1716 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1717 (find_aux_sym): Use it.
1719 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1721 Code cleanup: Remove const in prototype
1722 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1724 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1725 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1727 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1729 Fix dwfl_attach_state machine->elf.
1730 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1731 Call ebl_openbackend instead of ebl_openbackend_machine.
1732 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1733 Update the function description.
1734 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1736 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1739 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1741 Provide __libdwfl_module_getsym to get dwfl_file *.
1742 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1743 (dwfl_module_addrsym) (search_table): New variable file. Use
1744 __libdwfl_module_getsym. Use file.
1745 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1746 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1747 (dwfl_module_getsym): New wrapper.
1748 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1750 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1752 Fix dwfl_module_addrsym for minidebuginfo.
1753 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1755 (dwfl_module_addrsym) (same_section): Use it.
1756 (dwfl_module_addrsym) (i_to_symfile): New function.
1757 (dwfl_module_addrsym) (search_table): Use it.
1759 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1760 Mark Wielaard <mjw@redhat.com>
1762 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1763 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1765 * core-file.c (dwfl_core_file_report): Call
1766 __libdwfl_attach_state_for_core.
1767 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1768 * dwfl_frame.c: New file.
1769 * frame_unwind.c: New file.
1770 * dwfl_frame_pc.c: New file.
1771 * linux-pid-attach.c: New file.
1772 * linux-core-attach.c: New file.
1773 * dwfl_frame_regs.c: New file.
1774 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1775 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1776 (Dwfl_Thread_Callbacks): New definition.
1777 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1778 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1779 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1780 (dwfl_frame_pc): New declarations.
1781 * libdwflP.h (Dwfl_Process): New typedef.
1782 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1783 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1784 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1785 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1786 (struct Dwfl): New entry process.
1787 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1788 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1789 (__libdwfl_process_free, __libdwfl_frame_unwind)
1790 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1791 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1792 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1793 (dwfl_frame_thread, dwfl_thread_state_registers)
1794 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1795 (dwfl_frame_pc): New INTDECL entries.
1796 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1797 __libdwfl_attach_state_for_pid.
1798 * segment.c (segment_start): Rename to ...
1799 (__libdwfl_segment_start): ... here and make it internal_function.
1800 (segment_end): Rename to ...
1801 (__libdwfl_segment_end): ... here and make it internal_function.
1802 (reify_segments, dwfl_report_segment): Rename them at the callers.
1804 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1806 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1808 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1810 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1811 retval. Fix one forgotten LISTED increase.
1813 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1815 Fix core files for re-prelink-ed files.
1816 * core-file.c (dynamic_vaddr_get): New function.
1817 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1818 dynamic_vaddr_get instead of using L_ADDR.
1819 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1820 * link_map.c (report_r_debug): Do not initialize l_addr.
1822 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1825 * core-file.c (dwfl_core_file_report): Reindent block of code by
1828 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1830 * argp-std.c (parse_opt): Use executable parameter of
1831 dwfl_core_file_report.
1832 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1833 it to DWFL. Add NEW_VERSION for it.
1834 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1835 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1836 the function comment.
1838 2013-10-15 Mark Wielaard <mjw@redhat.com>
1840 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1842 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1844 2013-09-12 Mark Wielaard <mjw@redhat.com>
1846 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1848 2013-09-12 Mark Wielaard <mjw@redhat.com>
1850 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1853 2013-09-12 Mark Wielaard <mjw@redhat.com>
1855 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1856 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1858 2013-08-25 Mark Wielaard <mjw@redhat.com>
1860 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1863 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1865 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1866 conflicts all the modules, not just the first one. Compare L_LD if it
1867 is equal, not if it is in a module address range.
1869 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1871 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1873 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1875 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1876 (dwfl_core_file_report): Call __libdwfl_report_elf for
1877 R_DEBUG_INFO.MODULE.
1878 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1880 (__libdwfl_report_elf): ... this function. Call it.
1881 * dwfl_segment_report_module.c: Include unistd.h.
1882 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1883 Clear MODULE if it has no build-id and we have segment with build-id.
1884 Ignore this segment only if MODULE still contains valid ELF.
1885 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1886 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1887 and disk_file_has_build_id.
1888 (dwfl_link_map_report): Extend the comment.
1889 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1890 r_debug_info_module. Initialize also the new r_debug_info_module
1891 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1892 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1894 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1896 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1898 2013-07-02 Mark Wielaard <mjw@redhat.com>
1900 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1902 2013-06-05 Mark Wielaard <mjw@redhat.com>
1904 * link_map.c (report_r_debug): Always call release_buffer after
1905 memory_callback succeeded reading build_id.
1907 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1909 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1910 executable_for_core before calling dwfl_core_file_report.
1911 * core-file.c (clear_r_debug_info): New function.
1912 (dwfl_core_file_report): Move raw segments reporting lower. New
1913 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1914 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1915 * dwfl_module_build_id.c (check_notes): Move into
1916 __libdwfl_find_elf_build_id.
1917 (__libdwfl_find_build_id): Rename to ...
1918 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1919 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1920 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1921 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1922 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1923 adjust its data_elfaddr parameter.
1924 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1925 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1926 parameter r_debug_info. New variable name_is_final. Adjust addresses
1927 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1928 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1929 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1930 (struct r_debug_info_module, struct r_debug_info): New definitions.
1931 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1933 * link_map.c: Include fcntl.h.
1934 (report_r_debug): Add parameter r_debug_info, describe it in the
1935 function comment. Delete dwfl_addrmodule call and its dependent code.
1936 Verify build-id before calling dwfl_report_elf, also supply
1937 executable_for_core to it. Store r_debug_info->module info when
1939 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1940 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1943 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1945 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1946 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1947 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1948 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1950 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1952 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1953 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1954 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1955 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
1957 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
1959 2013-04-27 Mark Wielaard <mjw@redhat.com>
1961 * link_map.c: #include system.h.
1963 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1965 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
1966 them to lib/system.h.
1968 2013-04-24 Mark Wielaard <mjw@redhat.com>
1970 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1972 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1974 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
1976 2013-03-12 Mark Wielaard <mjw@redhat.com>
1978 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
1980 2013-02-22 Mark Wielaard <mjw@redhat.com>
1982 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
1983 as DWFL_E_BADELF when not used.
1985 2013-02-10 Mark Wielaard <mjw@redhat.com>
1987 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
1988 failure messages When handling ARGP_KEY_SUCCESS because arg will
1991 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1993 * linux-proc-maps.c: Include system.h.
1994 (PROCEXEFMT, get_pid_class): New.
1995 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
1998 2013-01-23 Mark Wielaard <mjw@redhat.com>
2000 * dwfl_module_getdwarf.c (find_aux_sym): Don't subtract one
2001 from aux_syments by default.
2002 (find_symtab): Also succeed when only aux_symdata is found.
2003 When no symtab is found always try to load auxiliary table.
2004 (dwfl_module_getsymtab): Substract one from result when both
2005 tables have symbols.
2006 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
2007 zero entry when both tables have symbols.
2008 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only subtract
2009 one from first_global when both tables have symbols.
2011 2013-01-16 Mark Wielaard <mjw@redhat.com>
2013 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
2014 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
2015 (dwfl_adjusted_aux_sym_addr): New function.
2016 (dwfl_deadjust_aux_sym_addr): Likewise.
2017 (dwfl_adjusted_st_value): Take and check symfile argument.
2018 (dwfl_deadjust_st_value): Likewise.
2019 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
2020 use dwfl_file as argument to set address_sync.
2021 (find_debuginfo): Call find_prelink_address_sync with debug file.
2022 (find_aux_sym): New function.
2023 (find_symtab): Use find_aux_sym if all we have is the dynsym table
2024 and fill in aux DwflModule fields.
2025 (dwfl_module_getsymtab): Return syments plus aux_syments.
2026 (load_symtab): Always set first_global.
2027 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
2028 when using same_section. Calculate first_global based on both
2029 mod->first_global and mod->aux_first_global.
2030 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
2031 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
2032 to retrieve symbol and name if necessary, making sure all locals
2033 from any table come before any globals.
2034 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
2036 * relocate.c (resolve_symbol): Likewise.
2038 2013-01-07 Roland McGrath <roland@hack.frob.com>
2040 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
2041 still assume the data is at least 32-bit aligned anyway.
2042 (dwfl_link_map_report): Handle unaligned auxv data.
2044 2012-12-11 Mark Wielaard <mjw@redhat.com>
2046 * linux-kernel-modules.c (report_kernel): Only free fname if
2047 find_kernel_elf succeeds and allocates it.
2048 (report_kernel_archive): Fix brackets around unlikely expression.
2050 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
2052 * argp-std.c: Update Copyright year.
2053 (offline_find_elf): New function.
2054 (offline_callbacks): Use it for find_elf.
2055 (struct parse_opt): New.
2056 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
2057 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
2058 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
2059 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
2060 final state->input initialization optional.
2061 * dwfl_end.c: Update Copyright year.
2062 (dwfl_end): Free executable_for_core.
2063 * libdwflP.h: Update Copyright year.
2064 (struct Dwfl): New field executable_for_core.
2066 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
2068 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
2071 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
2073 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
2075 (__libdwfl_getelf): ... here. Call it.
2077 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
2079 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
2081 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
2083 * dwfl_segment_report_module.c (dwfl_segment_report_module):
2084 Initialize mod->MAIN_BIAS.
2086 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
2088 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
2089 binding_value. Use it for both zero and non-zero size symbols
2092 2012-10-01 Mark Wielaard <mjw@redhat.com>
2094 * cu.c (cudie_offset): Don't use type_sig8, it might not be
2095 initialized and these are always real CUs, never TUs.
2097 2012-10-01 Mark Wielaard <mjw@redhat.com>
2099 * derelocate.c (find_section): Check next section exists before
2102 2012-08-01 Petr Machata <pmachata@redhat.com>
2104 * offline.c (process_archive_member): Ignore entry "/SYM64/".
2106 2012-03-28 Roland McGrath <roland@hack.frob.com>
2108 * dwfl_segment_report_module.c
2109 (dwfl_segment_report_module: read_portion): Don't use existing buffer
2110 when FILESZ is zero (string mode) and available portion doesn't hold
2111 a terminated string.
2113 2011-12-02 Roland McGrath <roland@hack.frob.com>
2115 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
2116 to use elf64_xlatetom and PHDRS.p64.
2117 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
2119 2011-11-31 Mark Wielaard <mjw@redhat.com>
2121 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
2122 global symbols. Then only when that doesn't provide a match search
2123 all local symbols too.
2124 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
2126 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
2127 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
2129 2011-11-31 Mark Wielaard <mjw@redhat.com>
2131 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
2132 sizeless_sym if needed and closer to desired addr.
2134 2011-10-20 Mark Wielaard <mjw@redhat.com>
2136 * derelocate.c (cache_sections): Intern mod->reloc_info check.
2137 (dwfl_module_relocations): Don't check mod->reloc_info.
2138 (dwfl_module_relocation_info): Likewise.
2139 (find_section): Likewise.
2141 2011-07-09 Roland McGrath <roland@hack.frob.com>
2143 * image-header.c (LE32): Macro removed (now in lib/system.h).
2145 2011-04-11 Mark Wielaard <mjw@redhat.com>
2147 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
2148 by check for zlib, bzlib or lzma defines to check it isn't empty.
2149 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
2151 2011-03-08 Roland McGrath <roland@redhat.com>
2153 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
2154 Reported by Kurt Roeckx <kurt@roeckx.be>.
2156 2011-02-11 Roland McGrath <roland@redhat.com>
2158 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
2159 suffixes if corresponding decompression support is enabled.
2161 2011-02-01 Roland McGrath <roland@redhat.com>
2163 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
2164 section-end address as the synchronization point, rather than sh_addr.
2166 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
2167 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
2169 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
2170 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
2172 2011-01-11 Roland McGrath <roland@redhat.com>
2174 * dwfl_module_getdwarf.c (open_elf): Remove section-based
2175 address_sync fixup from here.
2176 (find_prelink_address_sync): New function.
2177 (find_debuginfo): Call it.
2178 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
2180 2011-01-04 Roland McGrath <roland@redhat.com>
2182 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
2183 logic to consider section addresses, the better to survive all the
2184 possible prelink machinations.
2185 * libdwflP.h (struct dwfl_file): Comment change.
2187 2010-11-30 Roland McGrath <roland@redhat.com>
2189 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
2191 2010-11-12 Roland McGrath <roland@redhat.com>
2193 * libdwflP.h (struct Dwfl_Module): New member main_bias.
2194 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
2195 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
2197 * libdwflP.h (dwfl_deadjust_address): New function.
2198 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
2199 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
2200 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
2202 2010-11-11 Roland McGrath <roland@redhat.com>
2204 * libdwflP.h (struct dwfl_file): Remove bias member.
2205 Add vaddr and address_sync members instead.
2206 (dwfl_adjusted_address): Calculate using vaddr.
2207 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
2208 (dwfl_adjusted_st_value): Use one of those calls.
2209 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
2210 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
2211 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
2212 * link_map.c (consider_executable): Adjust only MOD->low_addr for
2213 detected PIE bias change.
2215 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
2216 * dwfl_module_info.c: Use it.
2217 * cu.c (addrarange): Likewise.
2218 * dwfl_dwarf_line.c: Likewise.
2219 * dwfl_module_dwarf_cfi.c: Likewise.
2220 * dwfl_lineinfo.c: Likewise.
2221 * dwfl_nextcu.c: Likewise.
2222 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
2224 * libdwflP.h (dwfl_adjusted_st_value): New function.
2225 * relocate.c (resolve_symbol): Use it.
2226 * dwfl_module_getsym.c: Likewise.
2227 * dwfl_module_addrsym.c: Likewise.
2228 * dwfl_module_info.c: Likewise.
2230 * libdwflP.h (dwfl_adjusted_address): New function.
2231 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
2232 * relocate.c (__libdwfl_relocate_value): Likewise.
2233 * derelocate.c (cache_sections): Likewise.
2234 (dwfl_module_address_section): Likewise.
2235 * dwfl_module_getelf.c: Likewise.
2236 * dwfl_module_eh_cfi.c: Likewise.
2237 * link_map.c (consider_executable): Likewise.
2239 2010-08-24 Roland McGrath <roland@redhat.com>
2241 * dwfl_dwarf_line.c: New file.
2242 * Makefile.am (libdwfl_a_SOURCES): Add it.
2244 2010-08-18 Roland McGrath <roland@redhat.com>
2246 * link_map.c (report_r_debug): Use found name if we have no name,
2247 even if we already have an Elf handle.
2249 2010-06-30 Roland McGrath <roland@redhat.com>
2251 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
2252 confused by -1 return from dwfl_build_id_find_elf after it opened
2254 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
2255 dwfl_build_id_find_debuginfo.
2257 2010-06-16 Roland McGrath <roland@redhat.com>
2259 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
2261 2010-06-14 Roland McGrath <roland@redhat.com>
2263 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
2264 candidate file to that st_dev/st_ino and pretend it didn't exist
2266 (find_debuginfo_in_path): Update caller, pass main file's info.
2268 2010-05-20 Roland McGrath <roland@redhat.com>
2270 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
2271 (grovel_auxv): ... this. Take DWFL argument.
2272 (dwfl_linux_proc_report): Update caller.
2274 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
2275 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
2277 2010-05-19 Roland McGrath <roland@redhat.com>
2279 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
2281 2010-05-06 Roland McGrath <roland@redhat.com>
2283 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
2285 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
2286 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
2287 ID but we didn't find a file.
2288 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
2289 and refuse any fallback file-by-name if it lacks the matching ID.
2291 * dwfl_error.c (dwfl_errno): Add INTDEF.
2292 * libdwflP.h: Add INTDECL.
2294 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
2297 2010-05-04 Roland McGrath <roland@redhat.com>
2299 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
2300 ET_DYN that has a DT_DEBUG.
2302 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
2304 * segment.c (insert): Fix moving of values following insertion.
2305 (reify_segments): Fix up MOD->segment backpointer indices after
2306 later insertions in the main loop invalidate them.
2308 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
2309 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
2311 * core-file.c (dwfl_core_file_report): Return any nonzero count of
2312 modules reported, even if link_map grovelling failed and only sniffing
2315 2010-04-26 Roland McGrath <roland@redhat.com>
2317 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
2318 Works around probably-wrong ld -r behavior for case of a DWARF address
2319 constant that refers to a discarded SHF_ALLOC section.
2321 2010-04-14 Roland McGrath <roland@redhat.com>
2323 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
2324 an upper bound on sane possible number of elements.
2326 2010-03-11 Roland McGrath <roland@redhat.com>
2328 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
2329 the second half for 32-bit matches.
2331 2010-03-10 Roland McGrath <roland@redhat.com>
2333 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
2334 * argp-std.c (parse_opt): Update caller.
2335 * libdwfl.h: Declare dwfl_core_file_report.
2336 * libdwflP.h: Don't.
2338 2010-02-17 Roland McGrath <roland@redhat.com>
2340 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
2341 If set, find the first index not below ADDR.
2342 (dwfl_segment_report_module): Update callers.
2343 Pass true when calculating return value.
2345 2010-02-15 Roland McGrath <roland@redhat.com>
2347 * Makefile.am: Use config/eu.am for common stuff.
2349 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
2350 variable in failure path.
2352 2010-02-02 Mark Wielaard <mjw@redhat.com>
2354 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
2355 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
2357 2010-01-07 Roland McGrath <roland@redhat.com>
2359 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
2360 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
2361 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
2362 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2364 2010-01-06 Roland McGrath <roland@redhat.com>
2366 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
2367 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
2369 2009-11-16 Roland McGrath <roland@redhat.com>
2371 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
2373 2009-11-12 Petr Machata <pmachata@redhat.com>
2375 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
2376 the chunk is both offset-contiguous and vaddr-contiguous.
2378 2009-11-05 Roland McGrath <roland@redhat.com>
2380 * link_map.c (report_r_debug): Skip entries with l_ld==0.
2381 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
2383 2009-09-04 Roland McGrath <roland@redhat.com>
2385 * image-header.c (__libdw_image_header): Fix tranposed comparison.
2387 2009-08-27 Roland McGrath <roland@redhat.com>
2389 * image-header.c: New file.
2390 * Makefile.am (libdwfl_a_SOURCES): Add it.
2391 * libdwflP.h: Declare __libdw_image_header.
2392 * open.c (decompress): Don't consume ELF on failure.
2393 (what_kind): New function, broken out of ...
2394 (__libdw_open_file): ... here. Call it.
2395 If it fails, try __libdw_image_header and then try what_kind again.
2397 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
2398 leave it behind for next decompressor.
2399 * open.c (decompress): Free BUFFER on failure.
2401 2009-08-26 Roland McGrath <roland@redhat.com>
2403 * gzip.c (find_zImage_payload): New function, broken out of ...
2404 (mapped_zImage): ... here. Call it.
2405 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
2406 stupid method of just trying the decoder.
2408 * open.c [USE_LZMA]: Try __libdw_unlzma.
2409 * libdwflP.h: Declare it.
2410 (DWFL_ERRORS): Add DWFL_E_LZMA.
2411 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
2413 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
2415 * gzip.c (mapped_zImage): Limit scan to 32kb.
2416 Make this unconditional, support bzip2 kernel images too.
2417 (unzip): Use direct inflate method for non-mmap case too.
2418 Only zlib uses the stream method.
2420 2009-08-09 Roland McGrath <roland@redhat.com>
2422 * dwfl_module_build_id.c: Use new macros for versioned definitions.
2424 2009-07-08 Roland McGrath <roland@redhat.com>
2426 * dwfl_module_dwarf_cfi.c: New file.
2427 * dwfl_module_eh_cfi.c: New file.
2428 * Makefile.am (libdwfl_a_SOURCES): Add them.
2429 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
2430 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
2432 2009-07-08 Roland McGrath <roland@redhat.com>
2434 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
2436 2009-06-18 Mark Wielaard <mjw@redhat.com>
2438 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
2440 2009-06-13 Ulrich Drepper <drepper@redhat.com>
2442 * derelocate.c: Don't use deprecated libelf functions.
2443 * dwfl_module_getdwarf.c: Likewise.
2444 * relocate.c: Likewise.
2446 2009-04-23 Ulrich Drepper <drepper@redhat.com>
2448 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
2449 defined. Otherwise just define the latest version.
2451 2009-04-22 Roland McGrath <roland@redhat.com>
2453 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
2454 a non-ET_REL module.
2456 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
2457 adjust properly for non-ET_REL.
2459 2009-04-21 Roland McGrath <roland@redhat.com>
2461 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
2463 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
2464 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
2466 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
2468 2009-04-20 Roland McGrath <roland@redhat.com>
2470 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
2472 2009-04-19 Roland McGrath <roland@redhat.com>
2474 * dwfl_module_getdwarf.c (find_file): Renamed to ...
2475 (__libdwfl_getelf): ... this. Make it global.
2476 (find_symtab, find_dw): Update callers.
2477 (dwfl_module_getelf): Functions moved ...
2478 * dwfl_module_getelf.c: ... here, new file.
2479 * Makefile.am (libdwfl_a_SOURCES): Add it.
2480 * libdwflP.h: Declare __libdwfl_getelf.
2482 2009-04-14 Roland McGrath <roland@redhat.com>
2484 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
2485 absolute (already adjusted in place) or needing load bias adjustment.
2487 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
2488 gelf_getphdr failure. Fix file size limit checks.
2490 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
2492 2009-04-08 Roland McGrath <roland@redhat.com>
2494 * dwfl_module_getsym.c: Don't adjust for bias again after
2495 __libdwfl_relocate_value.
2497 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
2498 a non-SHF_ALLOC section.
2499 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
2500 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
2502 2009-03-09 Roland McGrath <roland@redhat.com>
2504 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
2505 variable to outer scope, so we cache it for the loop.
2507 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
2509 2009-02-12 Roland McGrath <roland@redhat.com>
2511 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
2512 __libdwfl_relocate_value to find correct sh_addr value.
2514 2009-02-10 Roland McGrath <roland@redhat.com>
2516 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
2517 If false, don't fail for NO_PHDR.
2518 (dwfl_report_elf): Update caller.
2519 * libdwflP.h: Update decl.
2520 * offline.c (process_elf): Call it with false, so we don't refuse
2521 dubiously-formed objects here.
2523 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
2524 finds our module. We shouldn't crash when we confuse some guesses.
2526 2009-02-10 Ulrich Drepper <drepper@redhat.com>
2528 * open.c (decompress): Avoid crash with empty input file.
2530 2009-01-27 Roland McGrath <roland@redhat.com>
2532 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
2533 with zero vaddr and memsz.
2535 2009-01-22 Roland McGrath <roland@redhat.com>
2537 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
2539 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
2540 after address-matching loop.
2542 * segment.c (lookup): Fix fencepost in checking for HINT match.
2544 2009-01-14 Roland McGrath <roland@redhat.com>
2546 * gzip.c [!BZLIB] (mapped_zImage): New function.
2547 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
2549 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2551 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
2553 2009-01-08 Roland McGrath <roland@redhat.com>
2555 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
2556 Skip subdirectory named "source".
2557 (dwfl_linux_kernel_find_elf): Likewise.
2559 2009-01-06 Roland McGrath <roland@redhat.com>
2561 * linux-kernel-modules.c (check_suffix): New function.
2562 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
2563 (dwfl_linux_kernel_report_offline): Use it.
2564 (dwfl_linux_kernel_find_elf): Likewise.
2566 2009-01-05 Roland McGrath <roland@redhat.com>
2568 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
2569 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
2570 * dwfl_build_id_find_elf.c: Likewise.
2571 * dwfl_module_getdwarf.c (open_elf): Likewise.
2572 * dwfl_report_elf.c: Likewise.
2573 * find-debuginfo.c (validate): Likewise.
2574 * offline.c (__libdwfl_report_offline): Likewise.
2576 * libdwflP.h: Declare __libdw_open_file.
2578 * Makefile.am (libdwfl_a_SOURCES): Add it.
2581 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
2582 * bzip2.c: New file.
2583 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
2584 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
2586 2008-12-16 Roland McGrath <roland@redhat.com>
2588 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
2589 symver magic to bind to ELFUTILS_0.138.
2590 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
2591 wrapper for ELFUTILS_0.130 version set.
2593 2008-12-18 Roland McGrath <roland@redhat.com>
2595 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
2596 addresses are taken as relative to MOD->low_addr.
2598 2008-12-15 Roland McGrath <roland@redhat.com>
2600 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2603 2008-12-11 Roland McGrath <roland@redhat.com>
2605 * offline.c (process_archive): Don't call elf_end and close if
2606 returning NULL. Check first elf_begin call and set error code
2607 specially for empty archive.
2610 2008-12-02 Roland McGrath <roland@redhat.com>
2612 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2614 2008-11-26 Roland McGrath <roland@redhat.com>
2616 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
2617 return value, and interpret encoded OFFSET argument.
2619 2008-10-07 Roland McGrath <roland@redhat.com>
2621 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2623 2008-09-29 Roland McGrath <roland@redhat.com>
2625 * segment.c (insert): Must realloc DWFL->lookup_module here too.
2626 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2628 2008-08-28 Roland McGrath <roland@redhat.com>
2630 * segment.c (reify_segments): Fix last change.
2632 2008-08-27 Roland McGrath <roland@redhat.com>
2634 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2635 failure from pread64.
2637 2008-08-26 Roland McGrath <roland@redhat.com>
2639 * segment.c (reify_segments): Insert a trailing segment for a module
2640 end that is above the highest current segment.
2642 2008-08-25 Roland McGrath <roland@redhat.com>
2644 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2645 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2646 if FILE->elf is not ELF_K_ELF.
2648 * dwfl_segment_report_module.c: Add a cast.
2650 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2652 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2653 which decides which symbol is "closest" to a given address.
2655 2008-08-15 Roland McGrath <roland@redhat.com>
2657 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2658 (options, parse_opt): Handle --core.
2660 * core-file.c: New file.
2661 * Makefile.am (libdwfl_a_SOURCES): Add it.
2662 * libdwflP.h (dwfl_core_file_report): Declare it.
2664 * link_map.c: New file.
2665 * Makefile.am (libdwfl_a_SOURCES): Add it.
2666 * libdwflP.h (dwfl_link_map_report): Declare it.
2668 * libdwflP.h (MIN, MAX): New macros.
2669 (Dwfl_Memory_Callback): New typedef.
2670 (Dwfl_Module_Callback): New typedef.
2671 (dwfl_segment_report_module): Declare it.
2672 * dwfl_segment_report_module.c: New file.
2673 * Makefile.am (libdwfl_a_SOURCES): Add it.
2675 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2676 * libdwflP.h: Add INTDECL.
2678 * segment.c: New file.
2679 * Makefile.am (libdwfl_a_SOURCES): Add it.
2680 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2681 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2682 lookup_addr, lookup_module, lookup_segndx, replace removed members
2684 (struct Dwfl_Module): New member segment.
2685 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2686 to each free module.
2687 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2688 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2689 (dwfl_report_module): Don't touch DWFL->nmodules.
2690 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2691 (compare_modules): Function removed.
2692 * dwfl_getmodules.c: Rewritten.
2694 * libdwflP.h: Add INTDECLs.
2695 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2696 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2698 2008-08-03 Roland McGrath <roland@redhat.com>
2700 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2702 2008-07-17 Roland McGrath <roland@redhat.com>
2704 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2705 zero if the failure was only ENOENT.
2707 2008-06-03 Roland McGrath <roland@redhat.com>
2709 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2712 2008-05-22 Petr Machata <pmachata@redhat.com>
2714 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2716 2008-05-06 Roland McGrath <roland@frob.com>
2718 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2719 FTS_LOGICAL here too.
2720 (dwfl_linux_kernel_find_elf): Likewise.
2722 2008-04-29 Roland McGrath <roland@redhat.com>
2724 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2725 based on canonicalize_file_name if it differs from the supplied name.
2727 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2730 2008-04-27 Roland McGrath <roland@redhat.com>
2732 * linux-kernel-modules.c (report_kernel): Fix crash when
2733 dwfl_report_elf fails.
2735 2008-04-05 Roland McGrath <roland@redhat.com>
2737 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2739 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2740 Clear it after freeing.
2741 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2743 2008-03-26 Roland McGrath <roland@redhat.com>
2745 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2746 SHT_DYNSYM, just set *SYMSCN like the comment says.
2748 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2750 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2752 2008-03-19 Roland McGrath <roland@redhat.com>
2754 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2756 2008-03-01 Roland McGrath <roland@redhat.com>
2758 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2759 prototype to avoid older compiler's complaint about reuse of the name.
2760 (__libdwfl_canon_error): Likewise.
2762 2008-02-19 Roland McGrath <roland@redhat.com>
2764 * relocate.c (relocate_section): Check for an unhandled relocation
2765 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2766 DWFL_E_UNKNOWN_MACHINE check out of loops.
2768 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2769 DEBUGFILE->relocated is already set.
2771 2008-01-26 Roland McGrath <roland@redhat.com>
2773 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2775 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2776 incoming *FILE_NAME at the start.
2778 2008-01-08 Roland McGrath <roland@redhat.com>
2780 * Makefile.am (euinclude): Variable removed.
2781 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2783 2007-10-23 Roland McGrath <roland@redhat.com>
2785 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2786 module to appear first.
2788 2007-10-20 Roland McGrath <roland@redhat.com>
2790 * offline.c (process_archive_member): Take FD argument, pass it down
2791 to process_file. Return Elf_Cmd, not bool.
2792 Call elf_next here, always before elf_end.
2793 (process_archive): Update caller. Don't close FD here unless there
2796 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2798 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2799 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2800 partial relocation to one or both files.
2801 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2802 relocations have been applied to the debug file if dwfl_module_getelf
2803 has been used before.
2805 * relocate.c (resolve_symbol): New function.
2806 (relocate_section): Call it.
2808 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2809 (relocate_section): Take new bool arg, PARTIAL. If true,
2810 no error for BADRELTYPE/RELUNDEF, instead just skip them
2811 and leave only those skipped relocs behind the reloc section.
2812 (__libdwfl_relocate_section): Take new arg, pass it down.
2813 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2814 do partial relocation on all sections.
2815 * dwfl_module_getdwarf.c (load_dw): Update caller.
2816 * libdwflP.h: Update decls.
2817 * derelocate.c (dwfl_module_address_section): Pass new argument
2818 to __libdwfl_relocate_section, true.
2820 * derelocate.c (cache_sections): Don't cache reloc sections when
2821 section_address callback is null.
2823 2007-10-19 Roland McGrath <roland@redhat.com>
2825 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2827 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2828 (struct secref): Likewise.
2829 (cache_sections): Cache the relocation section referring to each
2830 section we cache, if any.
2831 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2834 * relocate.c (struct reloc_symtab_cache): New type.
2835 (relocate_getsym): Use it instead of four arguments.
2836 (__libdwfl_relocate): Update caller.
2837 (relocate_section): New function, broken out of ...
2838 (__libdwfl_relocate): ... here.
2839 (__libdwfl_relocate_section): New function.
2840 * libdwflP.h: Declare it.
2842 2007-10-17 Roland McGrath <roland@redhat.com>
2844 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2845 to relocated st_value.
2847 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2850 2007-10-16 Roland McGrath <roland@redhat.com>
2852 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2853 section has larger alignment requirements not met by the original BASE,
2854 rather than padding more between sections.
2856 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2858 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2861 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2862 at zero in ET_REL case. Adjust BASE to necessary alignment.
2864 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2866 (__libdwfl_find_build_id): Update caller.
2868 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2869 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2870 * offline.c (dwfl_offline_section_address): Bail early if there is
2871 separate debug file.
2873 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2875 2007-10-09 Roland McGrath <roland@redhat.com>
2877 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2878 caching SHDR->sh_addr = 0.
2879 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2880 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2882 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2883 we've found SHT_SYMTAB.
2885 * relocate.c (relocate_getsym): New function.
2886 (__libdwfl_relocate): Use it.
2887 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2888 be a pointer instead of value; cache getshstrndx result there.
2889 * libdwflP.h: Update decl.
2890 * derelocate.c (cache_sections): Update caller.
2891 Always work on the main file, not the symfile.
2892 (dwfl_module_address_section): Likewise.
2893 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2895 2007-10-07 Roland McGrath <roland@redhat.com>
2897 * offline.c (process_archive): Initialize MOD.
2899 * linux-kernel-modules.c (get_release): New function, broken out of ...
2900 (report_kernel): ... here. Call it.
2901 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2902 (find_kernel_elf): Update caller.
2903 (report_kernel_archive): New function.
2904 (dwfl_linux_kernel_report_offline): Call it.
2906 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2907 (process_archive): Likewise.
2908 (process_archive_member): Likewise. When nonnull, let the predicate
2909 decide whether to use this member.
2910 (__libdwfl_report_offline): New function, broken out of ...
2911 (dwfl_report_offline): ... here. Call it.
2912 * libdwflP.h: Declare it.
2914 * offline.c (process_archive, process_archive_member): New functions.
2915 (process_elf, process_file): New functions, broken out of ...
2916 (dwfl_report_offline): ... here. Call process_file, which recurses on
2919 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2920 (dwfl_report_elf): ... here. Call it.
2921 * libdwflP.h: Declare it.
2923 2007-10-06 Roland McGrath <roland@redhat.com>
2925 * derelocate.c (dwfl_module_relocations): Don't call
2926 dwfl_module_getdwarf.
2928 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2931 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2932 SHF_ALLOC, to cache sh_addr resolved to 0.
2934 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2935 values nonzero already, just use its existing layout.
2937 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2938 in-core shdr after applying it.
2940 2007-10-04 Ulrich Drepper <drepper@redhat.com>
2942 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2943 initialization of notes variable.
2945 2007-10-04 Roland McGrath <roland@redhat.com>
2947 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2948 fill in with vaddr of "__start_notes" symbol if found.
2949 (check_notes): New function.
2950 (check_kernel_notes): New function.
2951 (dwfl_linux_kernel_report_kernel): Call it.
2952 (check_module_notes): New function.
2953 (dwfl_linux_kernel_report_modules): Call it.
2955 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2956 Try dwfl_build_id_find_elf first.
2958 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
2959 Set kernel module e_type to ET_DYN.
2961 2007-10-03 Roland McGrath <roland@redhat.com>
2963 * find-debuginfo.c (validate): New function, broken out of ...
2964 (find_debuginfo_in_path): ... here. New function, broken out of ...
2965 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
2966 dwfl_build_id_find_debuginfo first.
2968 * dwfl_build_id_find_elf.c: New file.
2969 * dwfl_build_id_find_debuginfo.c: New file.
2970 * Makefile.am (libdwfl_a_SOURCES): Add them.
2971 * libdwfl.h: Declare them.
2972 * libdwflP.h: Add INTDECLs.
2974 * dwfl_module_build_id.c: New file.
2975 * dwfl_module_report_build_id.c: New file.
2976 * Makefile.am (libdwfl_a_SOURCES): Add them.
2977 * libdwfl.h: Declare them.
2978 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
2979 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
2980 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
2982 * dwfl_module_getdwarf.c (find_offsets): New function.
2983 (find_dynsym): New function, calls that.
2984 (find_symtab): Call it.
2986 2007-09-11 Roland McGrath <roland@redhat.com>
2988 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
2989 address if its st_size is smaller.
2991 2007-08-13 Roland McGrath <roland@redhat.com>
2993 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2995 2007-08-12 Roland McGrath <roland@redhat.com>
2997 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
3000 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
3001 a second phdr if it happens to match EHDR_VMA exactly.
3003 2007-08-08 Roland McGrath <roland@redhat.com>
3005 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
3006 those with no names. Rewrite best symbol algorithm not to assume a
3007 sorted table and to be smarter handling sizeless symbols.
3009 2007-07-16 Roland McGrath <roland@redhat.com>
3011 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
3012 reviving an existing module.
3014 2007-06-08 Roland McGrath <roland@redhat.com>
3016 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
3018 2007-05-17 Roland McGrath <roland@redhat.com>
3020 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
3021 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
3022 (dwfl_linux_kernel_find_elf): Likewise.
3024 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
3025 getline and sscanf instead of fscanf.
3027 2007-05-08 Roland McGrath <roland@redhat.com>
3029 * offline.c (dwfl_offline_section_address): Don't assume section
3030 numbers match between stripped and debuginfo files. Instead, assume
3031 only that the ordering among SHF_ALLOC sections matches.
3033 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
3035 (dwfl_linux_kernel_report_offline): Update caller.
3036 (dwfl_linux_kernel_report_kernel): Likewise.
3038 2007-04-23 Roland McGrath <roland@redhat.com>
3040 * argp-std.c (options): Fix group title string.
3042 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
3043 Update via STATE->input every time we set STATE->hook, not only at
3046 * dwfl_module.c (free_file): Free FILE->name.
3048 2007-04-16 Roland McGrath <roland@redhat.com>
3050 * derelocate.c (cache_sections): Apply bias to sh_addr.
3051 (compare_secrefs): Fix address comparison to avoid signed overflow.
3052 (find_section): New function, broken out of ...
3053 (dwfl_module_relocate_address): ... here, call it.
3054 (check_module): New function, broken out of ...
3055 (dwfl_module_relocate_address): ... here, call it.
3056 (dwfl_module_address_section): New function.
3057 * libdwfl.h: Declare it.
3059 2007-03-26 Roland McGrath <roland@redhat.com>
3061 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
3063 2007-03-18 Roland McGrath <roland@redhat.com>
3065 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
3066 (find_debuginfo): ... here. Call it.
3067 Don't return error for libelf errors finding .gnu_debuglink section.
3069 2007-03-12 Roland McGrath <roland@redhat.com>
3071 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
3072 (dwfl_report_begin): ... here. Call it.
3073 * libdwfl.h: Declare it.
3074 * libdwflP.h: Add INTDECL.
3076 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
3078 * offline.c: Comment typo fix.
3080 2007-03-04 Roland McGrath <roland@redhat.com>
3082 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
3083 (find_kernel_elf): New function, broken out of ...
3084 (report_kernel): ... here. Call it.
3085 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
3086 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
3087 virtual address bounds of kernel from symbols rounded to page size.
3088 (dwfl_linux_kernel_report_kernel): Use that if it works, before
3089 resorting to report_kernel.
3091 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
3092 ET_EXEC file with nonzero bias.
3094 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
3095 dwfl_module_addrsym. Guts moved to ...
3096 * dwfl_module_addrsym.c: ... here; new file.
3097 * Makefile.am (libdwfl_a_SOURCES): Add it.
3098 * libdwfl.h: Declare dwfl_module_addrsym.
3099 * libdwflP.h: Add INTDECL.
3101 2007-03-03 Roland McGrath <roland@redhat.com>
3103 * dwfl_module.c (free_file): New function, broken out of ...
3104 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
3106 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
3109 2007-03-02 Roland McGrath <roland@redhat.com>
3111 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
3113 2007-02-02 Roland McGrath <roland@redhat.com>
3115 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
3116 address exactly if it's no other module's low boundary.
3118 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
3119 and size cover the address, select the closest symbol with st_size==0
3120 that lies in the same section.
3122 2007-01-29 Roland McGrath <roland@redhat.com>
3124 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
3127 2007-01-20 Roland McGrath <roland@redhat.com>
3129 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
3131 * libdwfl.h (Dwfl_Callbacks): Update comment.
3132 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
3133 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
3134 For ignored missing section, use -1 instead of 0.
3135 * offline.c (dwfl_offline_section_address): Expect a call for 0.
3137 2007-01-19 Roland McGrath <roland@redhat.com>
3139 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
3140 zero so a lone -e foo.so is shown without address bias.
3142 2007-01-10 Roland McGrath <roland@redhat.com>
3144 * linux-kernel-modules.c (report_kernel): Check asprintf return value
3145 directly instead of via side effect, to silence warn_unused_result.
3146 (dwfl_linux_kernel_report_offline): Likewise.
3147 (dwfl_linux_kernel_find_elf): Likewise.
3148 (dwfl_linux_kernel_module_section_address): Likewise.
3149 * find-debuginfo.c (try_open): Likewise.
3150 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
3151 (dwfl_linux_proc_report): Likewise.
3153 * libdwfl.h (dwfl_begin): Require nonnull argument.
3155 2006-12-27 Roland McGrath <roland@redhat.com>
3157 * dwfl_module.c (compare_modules): Fix address comparison to avoid
3158 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
3160 2006-10-30 Roland McGrath <roland@redhat.com>
3162 * dwfl_module.c (dwfl_report_module): Comment typo fix.
3164 2006-09-05 Roland McGrath <roland@redhat.com>
3166 * derelocate.c (cache_sections): Use alloca instead of variable-sized
3167 auto array, in function already using alloca.
3169 2006-08-14 Roland McGrath <roland@redhat.com>
3171 * linux-kernel-modules.c (try_kernel_name): If the call to
3172 dwfl_standard_find_debuginfo produces no results, try it again
3173 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
3175 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
3176 * libdwflP.h: ... to here.
3177 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
3178 repeats the first thing dwfl_standard_find_debuginfo will try.
3180 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
3181 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
3182 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
3185 2006-07-12 Ulrich Drepper <drepper@redhat.com>
3187 * cu.c: Adjust for internal_function_def removal.
3188 * dwfl_error.c: Likewise.
3189 * dwfl_module.c: Likewise.
3190 * dwfl_module_getdwarf.c: Likewise.
3191 * lines.c: Likewise.
3192 * relocate.c: Likewise.
3194 2006-07-11 Ulrich Drepper <drepper@redhat.com>
3196 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
3197 it can overflow the return value type.
3198 Patch by Tim Moore <timoore@redhat.com>.
3200 2006-06-28 Roland McGrath <roland@redhat.com>
3202 * libdwfl.h: Cosmetic changes.
3204 * dwfl_line_comp_dir.c: New file.
3205 * Makefile.am (libdwfl_a_SOURCES): Add it.
3206 * libdwfl.h: Declare dwfl_line_comp_dir.
3208 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
3210 * dwfl_linecu.c: New file.
3211 * Makefile.am (libdwfl_a_SOURCES): Add it.
3212 * libdwfl.h: Declare dwfl_linecu.
3214 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
3215 (dwfl_linecu): Define as macro.
3217 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
3219 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
3220 (dwfl_module_addrname): Function moved ...
3221 * dwfl_module_addrname.c: ... here, new file.
3222 * dwfl_module_getsym.c: New file.
3223 * Makefile.am (libdwfl_a_SOURCES): Add them.
3224 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
3225 * libdwflP.h: Add INTDECLs.
3227 2006-06-27 Roland McGrath <roland@redhat.com>
3229 * dwfl_module.c (dwfl_report_end): Whitespace fix.
3231 2006-06-13 Roland McGrath <roland@redhat.com>
3233 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
3234 Use __libdwfl_seterrno for elf_memory failure.
3236 2006-05-22 Roland McGrath <roland@redhat.com>
3238 * dwfl_module_return_value_location.c
3239 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
3241 2006-05-27 Ulrich Drepper <drepper@redhat.com>
3243 * libdwfl.h: Add extern "C".
3245 2006-05-22 Ulrich Drepper <drepper@redhat.com>
3247 * cu.c (addrarange): Handle files without aranges information.
3249 2006-05-16 Ulrich Drepper <drepper@redhat.com>
3251 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
3254 2006-02-26 Roland McGrath <roland@redhat.com>
3256 * dwfl_version.c: New file.
3257 * Makefile.am (libdwfl_a_SOURCES): Add it.
3258 * libdwfl.h: Declare dwfl_version.
3260 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
3261 aligned up from DWFL->offline_next_address when checking for overlap.
3263 2005-12-22 Roland McGrath <roland@redhat.com>
3265 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
3267 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
3268 (dwfl_linux_proc_report): ... here. Call it.
3269 (dwfl_linux_proc_maps_report): New function.
3270 * libdwfl.h: Declare it.
3271 * libdwflP.h: Add INTDECL.
3272 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
3274 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
3275 failed with DWFL_E_NO_DWARF.
3277 2005-11-26 Roland McGrath <roland@redhat.com>
3279 * dwfl_end.c (dwfl_end): Free the DWFL itself.
3281 2005-11-25 Roland McGrath <roland@redhat.com>
3283 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
3285 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
3286 * libdwflP.h: Declare it.
3288 * dwfl_module_register_names.c: New file.
3289 * Makefile.am (libdwfl_a_SOURCES): Add it.
3290 * libdwfl.h: Declare dwfl_module_register_names.
3292 2005-11-21 Roland McGrath <roland@redhat.com>
3294 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
3295 Don't leak malloc'd file name.
3296 If a /sys/.../sections file is missing and starts with ".init",
3297 try the variant with "_init" too; catches PPC64 kernel braindamage.
3299 2005-11-15 Roland McGrath <roland@redhat.com>
3301 * libdwfl.h: Comment fixes.
3303 * dwfl_module_return_value_location.c: Add unlikely for error case.
3305 2005-11-13 Roland McGrath <roland@redhat.com>
3307 * dwfl_return_value_location.c: New file.
3308 * Makefile.am (libdwfl_a_SOURCES): Add it.
3309 * libdwfl.h: Declare dwfl_module_return_value_location.
3310 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
3312 2005-10-20 Roland McGrath <roland@redhat.com>
3314 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
3315 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
3316 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
3318 2005-10-01 Roland McGrath <roland@redhat.com>
3320 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
3323 2005-09-19 Roland McGrath <roland@redhat.com>
3325 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
3326 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
3327 the signed integer reading; they will just have to be in hexadecimal.
3328 (dwfl_linux_kernel_module_section_address): Likewise.
3330 2005-08-28 Ulrich Drepper <drepper@redhat.com>
3332 * Makefile.am (%.os): Use COMPILE.os.
3333 (COMPILE.os): Filter out gconv options.
3335 2005-08-25 Roland McGrath <roland@redhat.com>
3337 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
3338 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
3340 2005-08-24 Roland McGrath <roland@redhat.com>
3342 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
3344 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
3345 magic initializer to set -heur-stack-bound option.
3347 2005-08-22 Roland McGrath <roland@redhat.com>
3349 * dwfl_validate_address.c: New file.
3350 * Makefile.am (libdwfl_a_SOURCES): Add it.
3351 * libdwfl.h: Declare dwfl_validate_address.
3353 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
3354 * libdwflP.h: Add INTDECL.
3356 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
3357 elf_rawdata for symbol-related sections.
3359 * offline.c (dwfl_report_offline): Move offline_next_address outside
3360 module's range, in case it's an ET_EXEC using fixed segment locations.
3361 * libdwfl.h: Update comment.
3363 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
3366 2005-08-20 Roland McGrath <roland@redhat.com>
3368 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
3369 function to choose whether to report.
3370 (dwfl_linux_kernel_report_offline): Likewise.
3371 * libdwfl.h: Update decl.
3372 * argp-std.c (parse_opt): Update caller.
3374 * dwfl_getsrclines.c: New file.
3375 * dwfl_onesrcline.c: New file.
3376 * Makefile.am (libdwfl_a_SOURCES): Add them.
3377 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
3379 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
3380 MODULESDIR[0]. Call fts_close on failure.
3382 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
3383 Close ET_REL file descriptors after relocation.
3384 (find_dw): Update caller.
3385 * offline.c (dwfl_report_offline): Get the file into memory and close
3386 the file descriptor.
3388 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
3389 MOD->debug.elf is already set.
3391 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
3392 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
3394 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
3395 dwfl_linux_kernel_report_offline with offline_callbacks.
3397 * linux-kernel-modules.c (report_kernel): New function, broken out of
3399 (dwfl_linux_kernel_report_kernel): ... here. Use it.
3400 (dwfl_linux_kernel_report_offline): New function.
3401 * libdwfl.h: Declare it.
3402 * libdwflP.h: Add INTDECL.
3404 2005-08-19 Roland McGrath <roland@redhat.com>
3406 Use standard debuginfo search path to look for vmlinux.
3407 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
3409 * linux-kernel-modules.c (try_kernel_name): New function, broken out
3411 (dwfl_linux_kernel_report_kernel): ... here. Use it.
3413 * argp-std.c (offline_callbacks): New variable.
3414 (parse_opt): Use it for -e. Allow multiple -e options.
3416 * offline.c: New file.
3417 * Makefile.am (libdwfl_a_SOURCES): Add it.
3418 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
3419 * libdwflP.h: Add INTDECLs.
3420 (OFFLINE_REDZONE): New macro.
3421 (struct Dwfl): New member `offline_next_address'.
3422 * dwfl_begin.c (dwfl_begin): Initialize it.
3423 * dwfl_module.c (dwfl_report_begin): Likewise.
3425 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
3426 do a nominal absolute section layout starting at BASE.
3427 * libdwfl.h: Update comment.
3429 2005-08-18 Roland McGrath <roland@redhat.com>
3431 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
3432 dwfl_module_getdwarf if necessary.
3434 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
3435 * libdwfl.h: Update comment.
3437 * derelocate.c: New file.
3438 * Makefile.am (libdwfl_a_SOURCES): Add it.
3440 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
3441 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
3442 * dwfl_module_getdwarf.c (open_elf): Update initialization.
3443 (load_dw, dwfl_module_addrname): Update uses.
3444 * relocate.c (__libdwfl_relocate): Likewise.
3446 2005-08-04 Roland McGrath <roland@redhat.com>
3448 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
3449 arguments SHNDX, SHDR.
3450 (dwfl_linux_kernel_module_section_address): Update prototype.
3451 * relocate.c (__libdwfl_relocate_value): Update caller.
3452 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
3453 Take the new arguments.
3455 2005-08-10 Roland McGrath <roland@redhat.com>
3457 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
3458 use it instead of MOD->debug.file.
3459 * libdwflP.h: Update decl.
3460 * dwfl_module_getdwarf.c (load_dw): Update caller.
3463 2005-08-09 Roland McGrath <roland@redhat.com>
3465 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
3466 * cu.c: Use INTUSE on dwarf_* calls.
3467 * dwfl_error.c: Likewise.
3468 * dwfl_module.c: Likewise.
3469 * dwfl_module_getdwarf.c: Likewise.
3470 * dwfl_module_getsrc_file.c: Likewise.
3471 * lines.c: Likewise.
3473 2005-08-07 Roland McGrath <roland@redhat.com>
3475 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
3476 names contain '_' or '-', look for files named either "foo-bar.ko"
3479 2005-07-29 Roland McGrath <roland@redhat.com>
3481 * loc2c.c: File removed.
3482 * loc2c.h: File removed.
3483 * loc2c-runtime.h: File removed.
3484 * test2.c: File removed.
3485 * Makefile.am (EXTRA_DIST): Variable removed.
3486 (noinst_HEADERS): Remove loc2c.h from here.
3488 2005-07-28 Ulrich Drepper <drepper@redhat.com>
3490 * libdwfl.h: Add a few missing extern for function prototypes.
3492 * libdwfl_crc32.c: New file.
3493 * libdwfl_crc32_file.c: New file.
3494 * libdwflP.h: Declare the new functions.
3495 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
3496 libdwfl_crc32_file.c.
3497 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
3498 instead of crc32_file.
3500 2005-07-28 Roland McGrath <roland@redhat.com>
3502 * ptest.c: Moved to ../tests/dwflmodtest.c.
3504 * Makefile.am (noinst_PROGRAMS): Variable removed.
3505 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
3506 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
3507 (libdwfl): Don't use libdwfl.so any more.
3508 (libdwfl.so, install, uninstall): Targets removed.
3509 (test2_SOURCES): Define EXTRA_DIST instead of this.
3510 * libdwfl.map: File removed.
3512 * libdwfl.h: Use "" for libdw.h #include.
3514 2005-07-27 Roland McGrath <roland@redhat.com>
3516 * libdwfl.map: Add dwfl_getmodules.
3518 2005-07-23 Ulrich Drepper <drepper@redhat.com>
3520 * Makefile.am: Fix rules to allow building with mudflap.
3522 2005-07-21 Roland McGrath <roland@redhat.com>
3524 * Makefile.am (noinst_HEADERS): Add loc2c.c.
3526 * test2.c (main): Check sscanf result to quiet warning.
3528 2005-07-20 Roland McGrath <roland@redhat.com>
3530 * libdwfl-branch merged, creating this direcotry.