1 2019-10-07 Omar Sandoval <osandov@fb.com>
3 * dwfl_frame.c (dwfl_getthreads): Get rid of unnecessary
4 thread_free_all_states calls.
6 (state_free): Remove function.
7 (thread_free_all_states): Remove function.
8 (free_states): Add function.
9 (dwfl_thread_getframes): Don't update thread->unwound while unwinding.
10 * libdwflP.h (struct Dwfl_Thread): Update comment for unwound member.
12 2019-08-12 Mark Wielaard <mark@klomp.org>
14 * gzip.c (open_stream): Return DWFL_E_ERRNO on bad file operation.
15 * open.c (libdw_open_elf): New argument bad_elf_ok. Check it and
16 return DWFL_E_NOERROR in case it is set and error was DWFL_E_BADELF.
17 (__libdw_open_file): Call libdw_open_elf with bad_elf_ok false.
18 (__libdw_open_elf): Call libdw_open_elf with bad_elf_ok true.
20 2019-08-05 Omar Sandoval <osandov@fb.com>
22 * dwfl_segment_report_module.c (dwfl_segment_report_module): Assign
25 2019-04-28 Mark Wielaard <mark@klomp.org>
27 * frame_unwind.c (expr_eval): Make sure we left shift a unsigned
30 2019-04-28 Mark Wielaard <mark@klomp.org>
32 * cu.c (addrarange): Only call realloc when naranges is not zero.
34 2019-03-27 Mark Wielaard <mark@klomp.org>
36 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
37 ph_buffer_size vs xlatefrom.d_size after read_portion call.
39 2019-02-24 Mark Wielaard <mark@klomp.org>
41 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before
43 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm.
45 2019-01-25 Yonghong Song <yhs@fb.com>
47 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to
48 read the inode number.
50 2019-01-20 Mark Wielaard <mark@klomp.org>
52 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
53 dyn_filesz vs dyn_data_size after read_portion call.
55 2019-01-16 Mark Wielaard <mark@klomp.org>
57 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note.
58 (core_set_initial_registers): Likewise.
60 2018-10-23 Mark Wielaard <mark@klomp.org>
62 * relocate.c (relocate_section): Only sanity check mmapped Elf files
63 for overlap. Don't error when section data was malloced, not mmapped.
65 2018-10-20 Mark Wielaard <mark@klomp.org>
67 * libdwflP.h (__libdw_open_elf): New internal function declaration.
68 * open.c (what_kind): Rename close_fd to may_close_fd.
69 (__libdw_open_file): Replaced (and renamed) by a call to ...
70 (libdw_open_elf): this. And add never_close_fd argument.
71 (__libdw_open_elf): New function that calls libdw_open_elf.
73 2018-10-18 Mark Wielaard <mark@klomp.org>
75 * dwfl_segment_report_module.c (consider_note): Take align as new
76 argument. Use align to set d_type and calculate padding.
77 (dwfl_segment_report_module): Pass align to consider_notes.
78 * core-file.c (dwfl_core_file_report): Check p_align to set ELF
80 * linux-kernel-modules.c (check_notes): Check name and type of note
83 2018-10-19 Mark Wielaard <mark@klomp.org>
85 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero.
87 2018-10-14 Mark Wielaard <mark@klomp.org>
89 * dwfl_segment_report_module.c (read_portion): Check requested
90 filesz isn't larger than buffer_available.
91 (dwfl_segment_report_module): Check data_size vs filesz after
94 2018-10-02 Andreas Schwab <schwab@suse.de>
96 * relocate.c (relocate): Handle ADD/SUB relocations.
98 2018-09-13 Mark Wielaard <mark@klomp.org>
100 * dwfl_segment_report_module.c (dwfl_segment_report_module):
101 Document why we use e_shnum directly.
102 * elf-from-memory.c (elf_from_remote_memory): Likewise.
104 2018-07-17 Ulf Hermann <ulf.hermann@qt.io>
106 * linux-pid-attach.c: Include sys/uio.h only on linux.
108 2018-06-04 Mark Wielaard <mark@klomp.org>
110 * libdwflP.h (__libdwfl_addrsym): Remove function declaration.
111 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function.
113 2018-05-27 Mark Wielaard <mark@klomp.org>
115 * relocate.c (__libdwfl_relocate): Always call relocate_section with
118 2018-05-17 Mark Wielaard <mark@klomp.org>
120 * dwfl_module (__libdwfl_module_free): Free elfdir.
121 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after
122 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the
123 main module file and we recorded the elfdir.
124 * libdwflP.h (struct Dwfl_Module): Add elfdir field.
125 * offline.c (process_elf): Record the elfdir before we close the
126 main ELF file descriptor.
128 2018-04-10 Mark Wielaard <mark@klomp.org>
130 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for
131 the return address either set an error or mark the pc undefined.
133 2018-03-17 Mark Wielaard <mark@klomp.org>
135 * libdwflP.h (struct __libdwfl_remote_mem_cache): New.
136 (struct __libdwfl_pid_arg): Add mem_cache field.
137 * linux-pid-attach.c (read_cached_memory): New function.
138 (clear_cached_memory): Likewise.
139 (pid_memory_read): Call read_cached_memory.
140 (pid_detach): Free mem_cache.
141 (pid_thread_detach): Call clear_cached_memory.
142 (dwfl_linux_proc_attach): Initialize mem_cache to NULL.
144 2018-03-05 Mark Wielaard <mark@klomp.org>
146 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use
147 realpath (name, NULL) instead of canonicalize_file_name (name).
148 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise.
150 2018-01-29 Mark Wielaard <mark@klomp.org>
152 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of
153 DIE_OFFSET_FROM_CU_OFFSET.
154 (intern_cu): Simply use a copy of the given die CU as key instead of
155 trying to construct a dummy one by hand.
157 2018-02-15 Mark Wielaard <mark@klomp.org>
159 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h.
161 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
163 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
164 macro instead of comment.
165 * frame_unwind.c (expr_eval): Likewise.
167 2017-11-20 Mark Wielaard <mark@klomp.org>
169 * link_map.c (do_check64): Take a char * and calculate type and val
170 offsets before reading, possibly unaligned, values.
171 (do_check32): Likewise.
172 (check64): Remove define.
174 (auxv_format_probe): Call do_check32 and do_check64 directly with
175 a, possibly unaligned, auxv entry pointer.
176 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
177 possibly unaligned auxv entry pointer.
179 2017-10-16 Mark Wielaard <mark@klomp.org>
181 * argp-std.c (parse_opt): For -k call argp_failure not failure to
184 2017-07-26 Yunlian Jiang <yunlian@google.com>
186 * argp-std.c (failure): Move to file scope.
189 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
190 Mark Wielaard <mark@klomp.org>
192 * derelocate.c (compare_secrefs): Compare by end address and then by
193 section number if addresses are equal.
195 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
196 Mark Wielaard <mark@klomp.org>
198 * linux-kernel-modules.c: Always return NULL from kernel_release() on
199 non-linux systems and set errno to ENOTSUP.
201 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
203 * libdwflP.h: Don't include config.h.
204 * argp-std.c: Include config.h.
206 * derelocate.c: Likewise.
207 * dwfl_addrdie.c: Likewise.
208 * dwfl_addrdwarf.c: Likewise.
209 * dwfl_addrmodule.c: Likewise.
210 * dwfl_begin.c: Likewise.
211 * dwfl_build_id_find_debuginfo.c: Likewise.
212 * dwfl_build_id_find_elf.c: Likewise.
213 * dwfl_cumodule.c: Likewise.
214 * dwfl_dwarf_line.c: Likewise.
215 * dwfl_end.c: Likewise.
216 * dwfl_frame.c: Likewise.
217 * dwfl_frame_regs.c: Likewise.
218 * dwfl_getdwarf.c: Likewise.
219 * dwfl_getmodules.c: Likewise.
220 * dwfl_getsrc.c: Likewise.
221 * dwfl_getsrclines.c: Likewise.
222 * dwfl_line_comp_dir.c: Likewise.
223 * dwfl_linecu.c: Likewise.
224 * dwfl_lineinfo.c: Likewise.
225 * dwfl_linemodule.c: Likewise.
226 * dwfl_module.c: Likewise.
227 * dwfl_module_addrdie.c: Likewise.
228 * dwfl_module_addrname.c: Likewise.
229 * dwfl_module_addrsym.c: Likewise.
230 * dwfl_module_build_id.c: Likewise.
231 * dwfl_module_dwarf_cfi.c: Likewise.
232 * dwfl_module_eh_cfi.c: Likewise.
233 * dwfl_module_getdarf.c: Likewise.
234 * dwfl_module_getelf.c: Likewise.
235 * dwfl_module_getsrc.c: Likewise.
236 * dwfl_module_getsrc_file.c: Likewise.
237 * dwfl_module_getsym.c: Likewise.
238 * dwfl_module_info.c: Likewise.
239 * dwfl_module_nextcu.c: Likewise.
240 * dwfl_module_register_names.c: Likewise.
241 * dwfl_module_report_build_id.c: Likewise.
242 * dwfl_module_return_value_location.c: Likewise.
243 * dwfl_nextcu.c: Likewise.
244 * dwfl_onesrcline.c: Likewise.
245 * dwfl_report_elf.c: Likewise.
246 * dwfl_validate_address.c: Likewise.
247 * dwfl_version.c: Likewise.
248 * find-debuginfo.c: Likewise.
250 * image-header.c: Likewise.
252 * linux-core-attach.c: Likewise.
253 * linux-pid-attach.c: Likewise.
254 * offline.c: Likewise.
256 * relocate.c: Likewise.
257 * segment.c: Likewise.
259 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
261 * libdwfl.h: Use __const_attribute__.
263 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
265 * elf-from-memory.c: Explicitly cast phnum to size_t.
267 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
269 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
272 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
274 * dwfl_frame.c: Drop unused sys/ptrace.h include.
275 * frame_unwind.c: Likewise.
276 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
279 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
281 * linux-kernel-modules.c: Include sys/types.h before fts.h
283 2017-03-24 Mark Wielaard <mark@klomp.org>
285 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
286 the note name data is the empty string.
287 (dwfl_core_file_attach): Likewise.
289 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
291 * linux-kernel-modules.c: Include system.h.
293 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
295 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
296 * linux-proc-maps.c: Likewise.
298 2016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
300 * dwfl_build_id_find_elf.c: Include system.h.
301 * dwfl_module_getdwarf.c: Likewise.
302 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
304 2016-11-23 Mark Wielaard <mjw@redhat.com>
306 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
309 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
311 * core-file.c: Remove sys/param.h.
312 * dwfl_segment_report_module.c: Likewise. Add system.h include.
313 (MAX): Remove definition.
314 * frame_unwind.c: Add system.h include.
315 (MAX): Remove definition.
316 * linux-core-attach.c (MIN): Remove definition.
317 * linux-pid-attach.c (MAX): Likewise.
319 2016-08-12 Mark Wielaard <mjw@redhat.com>
321 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
323 2016-04-14 Mark Wielaard <mjw@redhat.com>
325 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
326 on invalid DWARF if we allocated it.
328 2016-04-14 Mark Wielaard <mjw@redhat.com>
330 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
333 2016-03-01 Steven Chamberlain <steven@pyro.eu.org>
335 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
336 pid_thread_detach, pid_detach, pid_set_initial_registers,
337 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
340 2016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
341 Mark Wielaard <mjw@redhat.com>
343 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
344 debuglink_file is NULL. Try file basename (without .debug) ofr
345 absolute and relative path if debug_file was NULL.
346 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
347 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
350 2016-02-13 Mark Wielaard <mjw@redhat.com>
352 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
354 2016-02-13 Mark Wielaard <mjw@redhat.com>
356 * frame_unwind.c (new_unwound): Check and return unwound.
357 (handle_cfi): Check new_unwound was able to allocate new memory
358 before use. Return DWFL_E_NOMEM otherwise.
360 2016-02-11 Mark Wielaard <mjw@redhat.com>
362 * relocate.c (relocate_section): Check result of all gelf_get* calls.
363 (__libdwfl_relocate): Likewise.
364 (__libdwfl_relocate_section): Likewise.
366 2016-02-11 Mark Wielaard <mjw@redhat.com>
368 * relocate.c (relocate_section): Check result of gelf_update_* calls.
370 2016-01-08 Mark Wielaard <mjw@redhat.com>
372 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
373 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
375 (try_kernel_name): Likewise.
376 (check_suffix): Likewise.
377 * open.c (decompress): Likewise.
379 2015-12-18 Mark Wielaard <mjw@redhat.com>
381 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
382 sections and aux_str, aux_xndx and aux_sym sections if necessary.
383 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
385 (resolve_symbol): Uncompress strtab section if necessary.
386 (relocate_section): Uncompress the section the relocations apply to
389 2015-11-18 Chih-Hung Hsieh <chh@google.com>
391 * linux-proc-maps.c (proc_maps_report): Move nested function
392 'report' to file scope.
394 2015-11-18 Chih-Hung Hsieh <chh@google.com>
396 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
398 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
399 'update_end' and 'more' to file scope.
401 2015-11-17 Chih-Hung Hsieh <chh@google.com>
403 * link_map.c (auxv_format_probe): Move nested functions
404 check64 and check32 to file scope.
406 2015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
408 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
409 the value of the return address register as defined by the CFI
411 * frame_unwind.c (handle_cfi): Likewise.
413 2015-12-01 Mark Wielaard <mjw@redhat.com>
415 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
416 from exec or memory_callback, free as appropriate.
418 2015-12-01 Mark Wielaard <mjw@redhat.com>
420 * libdwflP.h (struct Dwfl_User_Core): New.
421 (struct DWfl): Replace executable_for_core with user_core.
422 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
423 * core-file.c (dwfl_core_file_report): Check and store
424 executable_for_core in Dwfl user_core.
425 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
426 executable_for_core in Dwfl user_core.
427 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
428 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
430 (dwfl_link_map_report): Likewise.
432 2015-11-16 Chih-Hung Hsieh <chh@google.com>
434 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
435 function 'consider_shdr' to file scope.
436 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
437 'translate_offs' to file scope.
439 2015-11-16 Chih-Hung Hsieh <chh@google.com>
441 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
442 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
445 2015-11-19 Mark Wielaard <mjw@redhat.com>
447 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
448 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
451 2015-11-13 Chih-Hung Hsieh <chh@google.com>
453 * gzip.c (unzip): Move nested functions to file scope.
455 2015-10-21 Chih-Hung Hsieh <chh@google.com>
456 Mark Wielaard <mjw@redhat.com>
458 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
459 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
460 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
463 2015-10-21 Chih-Hung Hsieh <chh@google.com>
465 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
466 to file scope. Pass used local variables in struct eval_stack.
468 2015-10-21 Chih-Hung Hsieh <chh@google.com>
470 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
473 2015-10-09 Josh Stone <jistone@redhat.com>
475 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
476 * open.c (decompress): Replace off64_t with off_t.
477 * gzip.c (unzip): Likewise.
478 * image-header.c (__libdw_image_header): Likewise.
479 * libdwflP.h: Likewise in function declarations.
480 * argp-std.c (parse_opt): Replace open64 with open.
481 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
482 dwfl_build_id_find_elf): Likewise.
483 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
484 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
485 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
486 * link_map.c (report_r_debug): Likewise.
487 * offline.c (dwfl_report_offline): Likewise.
488 * linux-proc-maps.c (grovel_auxv, get_pid_class,
489 dwfl_linux_proc_find_elf): Likewise.
490 (read_proc_memory): Replace off64_t with off_t.
491 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
492 fstat64 with stat and fstat.
493 (try_open): Likewise, and replace open64 with open.
494 * linux-kernel-modules.c: Manually define open and fopen to open64 and
495 fopen64 when needed, since the early fts.h include breaks that.
496 (try_kernel_name): Replace open64 with open.
497 (check_notes): Likewise.
499 2015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
501 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
502 pread, as the later doesn't accept negative offsets.
504 2015-10-07 Mark Wielaard <mjw@redhat.com>
506 * dwfl_module_getdwarf.c (MAX): Removed.
507 (find_prelink_address_sync): Allocate exact amount of bytes for
509 * dwfl_segment_report_module.c (dwfl_segment_report_module):
511 * elf-from-memory.c (MAX): Removed.
512 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
514 2015-10-05 Chih-Hung Hsieh <chh@google.com>
516 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
517 union of variable length arrays.
518 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
519 * elf-from-memory.c (elf_from_remote_memory): Likewise.
520 * link_map.c (auxv_format_probe): Likewise.
521 * link_map.c (report_r_debug): Likewise.
522 * link_map.c (dwfl_link_map_report): Likewise.
524 2015-09-18 Chih-Hung Hsieh <chh@google.com>
526 * relocate.c (relocate_section): Move nested function "relocate"
527 to file scope, pass all used local variables as constants.
528 Move nested "check_badreltype" to file scope, pass addresses of
529 updated used local variables.
530 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
531 "read_address" to file scope, pass all updated local variables in
533 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
534 function "subst_name" to file scope, pass all used local variables
536 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
537 simple nested function "report" with a macro. Work around gcc static
538 analysis error -Werror=maybe-uninitialized.
540 2015-09-22 Mark Wielaard <mjw@redhat.com>
542 * core-file.c: Remove old-style function definitions.
543 * dwfl_error.c: Likewise.
544 * dwfl_module_dwarf_cfi.c: Likewise.
545 * dwfl_module_eh_cfi.c: Likewise.
546 * dwfl_module_register_names.c: Likewise.
547 * dwfl_module_return_value_location.c: Likewise.
548 * dwfl_version.c: Likewise.
550 2015-09-09 Chih-Hung Hsieh <chh@google.com>
551 Mark Wielaard <mjw@redhat.com>
553 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
554 on parameters declared with __nonnull_attribute__.
555 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
558 2015-09-08 Mark Wielaard <mjw@redhat.com>
560 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
561 * linux-pid-attach.c (pid_detach): Call elf_end and close.
562 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
564 2015-09-04 Chih-Hung Hsieh <chh@google.com
566 * frame_unwind.c (expr_eval): Use llabs instead of abs.
568 2015-08-14 Dodji Seketeli <dodji@seketeli.org>
570 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
571 debug info file named debuglink_file under
572 mod->dwfl->callbacks->debuginfo_path, by looking at
573 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
574 which is common to the set of non-absolute parent trees of
577 2015-06-18 Mark Wielaard <mjw@redhat.com>
579 * find-debuginfo.c (try_open): Free fname on all failure paths.
581 2015-06-18 Mark Wielaard <mjw@redhat.com>
583 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
584 sh_entsize is not zero.
586 2015-06-06 Mark Wielaard <mjw@redhat.com>
588 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
589 localname and file_dirname.
591 2015-06-06 Mark Wielaard <mjw@redhat.com>
593 * derelocate.c (cache_sections): Free sortrefs.
595 2015-06-05 Mark Wielaard <mjw@redhat.com>
597 * dwfl_segment_report_module.c (dwfl_segment_report_module):
598 If the note_file exists, but the build_id doesn't match discard
599 the file and continue reporting.
601 2015-06-01 Mark Wielaard <mjw@redhat.com>
603 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
604 pointer before passing to strsep.
606 2015-05-30 Mark Wielaard <mjw@redhat.com>
608 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
610 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
613 2015-05-30 Mark Wielaard <mjw@redhat.com>
615 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
616 not NULL before calling canonicalize_file_name.
618 2015-05-24 Mark Wielaard <mjw@redhat.com>
620 * derelocate.c (check_module): Check mod is not NULL.
622 2015-05-22 Mark Wielaard <mjw@redhat.com>
624 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
625 malloc instead of stack allocating. Call free when done with data.
627 2015-05-22 Mark Wielaard <mjw@redhat.com>
629 * dwfl_segment_report_module.c (dwfl_segment_report_module):
630 Allocate phdrs with malloc, not on stack. free in finish.
631 Allocate dyn with malloc, not on stack, free after use.
633 2015-05-22 Mark Wielaard <mjw@redhat.com>
635 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
636 instead of alloca or strdupa, local strings of unknown size.
637 Call free before return.
639 2015-05-22 Mark Wielaard <mjw@redhat.com>
641 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
642 error when id_len too small or too large. strdup, not strdupa,
643 and free path when done.
645 2015-05-19 Mark Wielaard <mjw@redhat.com>
647 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
648 phdrs on the stack. Allocate with malloc and free when done.
650 2015-05-19 Mark Wielaard <mjw@redhat.com>
652 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
655 2015-05-19 Mark Wielaard <mjw@redhat.com>
657 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
658 stack allocate name. Only change chars up to suffix.
660 2015-05-18 Mark Wielaard <mjw@redhat.com>
662 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
663 phdrs and shdrs unions with malloc, not alloca. Free after use.
665 2015-05-18 Mark Wielaard <mjw@redhat.com>
667 * derelocate.c (cache_sections): Allocate temporary newrefs and
668 sortrefs with malloc, not alloca. Always free them on return.
670 2015-05-07 Mark Wielaard <mjw@redhat.com>
672 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
673 Dwarf_Die before interning. Explicitly check EOF is expected.
675 2015-05-05 Mark Wielaard <mjw@redhat.com>
677 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
679 2015-05-06 Roland McGrath <roland@hack.frob.com>
681 * dwfl_error.c (struct msgtable): Break type definition out of
682 the 'msgtable' initializer.
683 (msgtable): Make it a union of struct msgtable and a char array.
684 (msgstr): Use the full-table char array rather than the msg_0 entry.
686 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
688 * core-file.c (_compat_without_executable_dwfl_core_file_report):
689 Guard with SYMBOL_VERSIONING.
690 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
692 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
695 2015-04-02 Mark Wielaard <mjw@redhat.com>
697 * segment.c (insert): Check correct number of lookup_elts.
699 2015-03-31 Mark Wielaard <mjw@redhat.com>
701 * core-file.c (core_file_read_eagerly): Special case small images.
703 2015-01-26 Mark Wielaard <mjw@redhat.com>
705 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
706 syments and first_global on elferr before calling find_dynsym.
708 2014-12-27 Mark Wielaard <mjw@redhat.com>
710 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
711 has end_sequence set.
713 2015-01-04 Mark Wielaard <mjw@redhat.com>
715 * cu.c (intern_cu): Store result and return directly when finding
717 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
719 2014-12-19 Mark Wielaard <mjw@redhat.com>
721 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
723 2014-12-19 Mark Wielaard <mjw@redhat.com>
725 * elf-from-memory.c (handle_segment): Remove palign sanity check.
727 2014-12-18 Mark Wielaard <mjw@redhat.com>
729 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
731 2014-12-13 Mark Wielaard <mjw@redhat.com>
733 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
734 a size_t, make sure it doesn't overflow.
736 2014-12-13 Mark Wielaard <mjw@redhat.com>
738 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
739 wrap around before returning as int.
741 2014-12-11 Josh Stone <jistone@redhat.com>
743 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
744 record <= addr, rather than returning immediately on matches.
746 2014-12-09 Mark Wielaard <mjw@redhat.com>
748 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
751 2014-12-07 Mark Wielaard <mjw@redhat.com>
753 * relocate.c (relocate_section): Sanity check section overlap against
754 actually used ehsize, shentsize and phentsize.
756 2014-12-07 Mark Wielaard <mjw@redhat.com>
758 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
759 * relocate.c (__libdwfl_relocate_value): Don't relocate against
762 2014-11-29 Mark Wielaard <mjw@redhat.com>
764 * relocate.c (relocate_section): Check relocation section and target
765 section data don't overlap any of the ELF headers.
766 (relocate): Check for offset + size overflow.
768 2014-11-22 Mark Wielaard <mjw@redhat.com>
770 * link_map.c (consider_executable): Use elf_getphdrnum.
771 (dwfl_link_map_report): Likewise.
773 2014-11-18 Mark Wielaard <mjw@redhat.com>
775 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
776 number of symbols and first_global before use.
778 2014-11-14 Mark Wielaard <mjw@redhat.com>
780 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
783 2014-11-10 Mark Wielaard <mjw@redhat.com>
785 * dwfl_module_getdwarf.c (find_dynsym): New inner function
786 translate_offs that takes an adjust argument. Try finding
787 the symbol table with and without adjusting to main_bias.
789 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
791 Support NT_FILE for locating files.
792 * core-file.c (dwfl_core_file_report): New variables note_file and
793 note_file_size, set them and pass them to dwfl_segment_report_module.
794 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
795 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
796 (invalid_elf): New function from code of dwfl_segment_report_module.
797 (dwfl_segment_report_module): Add parameters note_file and
798 note_file_size. New variables elf and fd, clean them up in finish.
799 Move some code to invalid_elf. Call handle_file_note, if it found
800 a name verify the file by invalid_elf. Protect elf and fd against
801 cleanup by finish if we found the file for new Dwfl_Module.
802 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
805 2014-09-23 Mark Wielaard <mjw@redhat.com>
807 * dwfl_segment_report_module.c (dwfl_segment_report_module):
808 Extract ei_class, ei_data and e_type early and use the result.
810 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
812 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
813 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
815 * libdwflP.h (struct Dwfl_Module): New field is_executable.
817 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
819 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
821 (find_dynsym): Pass the new parameter main_bias.
823 2014-08-14 Mark Wielaard <mjw@redhat.com>
825 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
827 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
829 Fix report_r_debug for prelinked libraries.
830 * link_map.c (report_r_debug): Comment out variable l_addr.
831 Use instead new variable base recalculated from l_ld.
833 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
835 * linux-pid-attach.c: Make it build on non linux hosts.
837 2014-06-17 Mark Wielaard <mjw@redhat.com>
839 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
840 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
842 2014-06-15 Mark Wielaard <mjw@redhat.com>
844 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
845 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
846 to read possibly unaligned data.
847 (core_next_thread): Likewise.
848 (core_set_initial_registers): Likewise.
849 (dwfl_core_file_attach): Likewise.
851 2014-06-11 Mark Wielaard <mjw@redhat.com>
853 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
854 (dwfl_attach_state): Set dwfl->attacherr.
855 (dwfl_pid): Check and return dwfl->attacherr if set.
856 (dwfl_getthreads): Likewise.
857 (getthread): Likewise.
858 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
859 (struct Dwfl): Add attacherr field.
860 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
861 Don't assert if ELF file is not ET_CORE, just return error.
862 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
864 2014-06-10 Mark Wielaard <mjw@redhat.com>
866 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
867 or dwfl_linux_proc_attach.
869 2014-05-15 Mark Wielaard <mjw@redhat.com>
871 * linux-proc-maps.c (grovel_auxv): Close fd on error.
873 2014-05-02 Mark Wielaard <mjw@redhat.com>
875 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
878 2014-05-01 Mark Wielaard <mjw@redhat.com>
880 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
881 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
882 (__libdwfl_open_by_build_id): New declaration that takes an explicit
884 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
885 we already have the Dwarf then look for the alt dwz multi file by
887 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
888 build-id we are looking for as argument.
889 (__libdwfl_open_mod_by_build_id): New function, calls
890 __libdwfl_open_by_build_id.
891 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
892 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
893 close alt_fd if necessary.
894 * dwfl_module_getdwarf.c (__check_build_id): Removed.
895 (try_debugaltlink): Removed.
896 (open_debugaltlink): Removed.
897 (open_elf_file): First half of open_elf that just opens the elf
898 file but doesn't setup the load address.
899 (open_elf): Call open_elf_file.
900 (find_debug_altlink): New function.
901 (load_dw): Remove loading of dwz multifile.
902 (find_dw): Call find_debug_altlink.
903 * find-debuginfo.c (validate): Handle alt debug case using
904 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
905 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
907 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
908 to store name to find by dwfl_standard_find_debuginfo instead of
909 allocating an extra variable on stack.
911 2014-04-30 Mark Wielaard <mjw@redhat.com>
913 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
914 dwelf_elf_gnu_build_id.c.
915 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
916 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
917 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
918 * dwfl_module_getdwarf.c (__check_build_id): Implement using
919 dwelf_elf_gnu_build_id.
921 2014-04-15 Florian Weimer <fweimer@redhat.com>
923 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
924 (try_debugaltlink): Likewise.
925 (open_debugaltlink): Likewise.
926 (load_dw): Locate alternate debug information using
927 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
929 2014-04-11 Mark Wielaard <mjw@redhat.com>
931 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
932 * libdwflP.h: Include libdwelfP.h.
933 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
934 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
936 2014-04-22 Mark Wielaard <mjw@redhat.com>
938 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
940 (__libdwfl_frame_reg_set): Likewise.
942 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
944 * linux-pid-attach.c: Make linux only.
946 2014-03-14 Mark Wielaard <mjw@redhat.com>
948 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
949 Remove libelf and libdw definitions when MUDFLAP is defined.
950 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
952 2014-03-03 Mark Wielaard <mjw@redhat.com>
954 * elf-from-memory.c (elf_from_remote_memory): Keep track of
955 segments_end_mem. Pass memsz to first handle_segment pass. Only
956 extend contents_size and use shdrs if only file bits are in
959 2014-03-11 Josh Stone <jistone@redhat.com>
961 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
962 mod->e_type when processing the main ELF file.
964 2014-03-04 Mark Wielaard <mjw@redhat.com>
966 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
967 linux-pid-attach.c (struct pid_arg).
968 (__libdwfl_get_pid_arg): New internal function declaration.
969 (__libdwfl_ptrace_attach): Likewise.
970 (__libdwfl_ptrace_detach): Likewise.
971 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
972 special exception modules that cannot be checked at this point.
973 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
974 (ptrace_attach): Renamed to...
975 (__libdwfl_ptrace_attach): New internal function.
976 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
977 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
978 (__libdwfl_get_pid_arg): New internal function.
979 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
980 module name contains "(deleted)" and dwfl_pid gives an attached
981 pid. If pid is set and try to (re)use ptrace attach state of
982 process before reading memory.
984 2014-03-03 Mark Wielaard <mjw@redhat.com>
986 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
987 argument. Free buffer when detecting bad elf. Check PT_LOAD
988 alignment requirements on first handle_segment pass. Calculate
989 loadbase, start and end of segment using pagesize, not p_align.
990 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
991 to elf_from_remote_memory.
993 2014-02-26 Mark Wielaard <mjw@redhat.com>
995 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
997 2014-02-26 Mark Wielaard <mjw@redhat.com>
999 * elf-from-memory.c (elf_from_remote_memory): Check against p64
1000 p_type in case ELFCLASS64, not against p32 p_type.
1002 2014-01-17 Petr Machata <pmachata@redhat.com>
1004 * relocate.c (relocate_section): Use gelf_fsize instead of relying
1005 on shdr->sh_entsize.
1007 2014-01-05 Mark Wielaard <mjw@redhat.com>
1009 * frame_unwind.c (handle_cfi): Only skip resetting return register
1010 if the regno is not the actual CIE return address register.
1012 2014-01-02 Mark Wielaard <mjw@redhat.com>
1014 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
1016 2013-12-30 Mark Wielaard <mjw@redhat.com>
1018 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
1019 dwfl_core_file_attach explicitly.
1020 * core-file.c (dwfl_core_file_report): Don't call
1021 __libdwfl_attach_state_for_core implicitly.
1022 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
1023 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
1024 process_attach_error.
1025 (dwfl_getthreads): Likewise.
1026 (getthread): Likewise.
1027 * libdwfl.h (dwfl_core_file_report): Update documentation.
1028 (dwfl_linux_proc_report): Likewise.
1029 (dwfl_core_file_attach): New function declaration.
1030 (dwfl_linux_proc_attach): Likewise.
1031 * libdwflP.h (struct Dwfl): Remove process_attach_error.
1032 (__libdwfl_attach_state_for_pid): Removed declaration.
1033 (__libdwfl_attach_state_for_core): Likewise.
1034 (dwfl_core_file_attach): New internal declaration.
1035 (dwfl_linux_proc_attach): Likewise.
1036 (attach_state_for_core): Renamed to...
1037 (dwfl_core_file_attach): ...this. Change return type.
1038 (__libdwfl_attach_state_for_core): Removed.
1039 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
1040 (pid_set_initial_registers): Check assume_ptrace_stopped before
1042 (pid_thread_detach): Likewise.
1043 (__libdwfl_attach_state_for_pid): Renamed to...
1044 (dwfl_linux_proc_attach): ...this. Adjust return type.
1045 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
1046 __libdwfl_attach_state_for_pid implicitly.
1048 2013-12-28 Mark Wielaard <mjw@redhat.com>
1050 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
1051 character device files, only regular files.
1053 2013-12-24 Mark Wielaard <mjw@redhat.com>
1055 * linux-core-attach.c (core_next_thread): Check whether thread_argp
1056 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
1057 in that case. Free thread_arg if there are no more threads.
1059 2013-12-23 Mark Wielaard <mjw@redhat.com>
1061 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
1062 build_id before returning early.
1064 2013-12-23 Mark Wielaard <mjw@redhat.com>
1066 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
1067 pid (thread group leader) to dwfl_attach_state.
1069 2013-12-21 Mark Wielaard <mjw@redhat.com>
1071 * frame_unwind.c (handle_cfi): Track whether the return register
1072 has been set and only allow it to be set once.
1074 2013-12-20 Mark Wielaard <mjw@redhat.com>
1076 * dwfl_frame.c (one_arg): New struct.
1077 (get_one_thread_cb): New function.
1078 (dwfl_getthread): Likewise.
1079 (one_thread): New struct.
1080 (get_one_thread_frames_cb): New function.
1081 (dwfl_getthread_frames): Likewise.
1082 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
1083 (dwfl_getthread_frames): Likewise.
1084 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
1085 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
1087 * linux-pid-attach.c (pid_getthread): New function.
1088 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
1090 2013-12-20 Mark Wielaard <mjw@redhat.com>
1092 * linux-kernel-modules.c (report_kernel_archive): Correct nested
1093 asprintf result check for debug.a.
1095 2013-12-18 Mark Wielaard <mjw@redhat.com>
1097 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
1098 * dwfl_module_addrname.c (dwfl_module_addrname): Use
1099 dwfl_module_addrinfo.
1100 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
1101 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
1102 for comparisons, not st_value. Fill in off. Search for both value
1103 and the (adjusted) sym.st_value when different.
1104 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
1105 (dwfl_module_addrinfo): New function.
1106 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
1107 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
1108 and possible. Adjust sym->st_value only when requested. Fill in addr
1110 (dwfl_module_getsym_info): New function.
1111 (dwfl_module_getsym): Use __libdwfl_getsym.
1112 * libdwfl.h (dwfl_module_getsym_elf): Removed.
1113 (dwfl_module_getsym_info): New function declaration.
1114 (dwfl_module_addrinfo): Likewise.
1115 (dwfl_module_addrsym): Add documentation describing differences
1116 with addrinfo variants.
1117 (dwfl_module_addrsym_elf): Removed.
1118 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
1119 (__libdwfl_addrsym): Likewise.
1120 (__libdwfl_find_section_ndx): Likewise.
1121 (dwfl_module_addrinfo): New internal declaration.
1122 (dwfl_module_getsym_info): Likewise.
1123 (dwfl_module_addrsym_elf): Removed.
1124 (dwfl_module_getsym_elf): Likewise.
1126 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1128 * argp-std.c (offline_find_elf): Remove.
1129 (offline_callbacks): Use dwfl_build_id_find_elf instead.
1130 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
1133 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1135 unwinder: s390 and s390x
1136 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
1137 * frame_unwind.c (new_unwound): New function from ...
1138 (handle_cfi): ... here. Call it.
1139 (setfunc, getfunc, readfunc): New functions.
1140 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
1141 * linux-core-attach.c (core_set_initial_registers): Always iterate
1142 through the Ebl_Register_Location loop. Call
1143 dwfl_thread_state_register_pc there.
1145 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1147 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
1149 2013-12-17 Mark Wielaard <mjw@redhat.com>
1151 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
1154 2013-12-16 Mark Wielaard <mjw@redhat.com>
1156 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
1158 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
1160 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1161 function definition.
1162 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1164 2013-12-14 Mark Wielaard <mjw@redhat.com>
1166 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1167 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1168 * frame_unwind.c (handle_cfi): Free frame result from
1169 dwarf_cfi_addrframe when done.
1171 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1173 unwinder: ppc and ppc64
1174 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1175 Call ebl_dwarf_to_regno.
1176 * linux-core-attach.c (core_set_initial_registers): Implement
1177 pc_register support.
1178 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1181 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1183 Introduce process_attach_error.
1184 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1185 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1187 * libdwflP.h (struct Dwfl): New field process_attach_error.
1188 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1189 (attach_state_for_core): ... here, make it static, change return type,
1190 no longer use __libdwfl_seterrno.
1191 (__libdwfl_attach_state_for_core): New wrapper for it.
1193 2013-11-27 Mark Wielaard <mjw@redhat.com>
1195 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1196 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1197 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1198 instead of tracking dwfl_files.
1199 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1200 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1201 new elfp and biasp arguments. Track elf instead of file.
1202 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1203 dwfl_module_info.c (dwfl_module_info): Pass elf to
1204 dwfl_adjusted_st_value.
1205 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1206 (dwfl_module_getsym_elf): New function declaration.
1207 (dwfl_module_addrsym_elf): Likewise.
1208 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1209 (dwfl_module_getsym_elf): Likewise.
1210 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1211 (dwfl_deadjust_st_value): Likewise.
1212 (__libdwfl_module_getsym): Removed.
1213 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1215 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1217 Fix non-build-id core files on build-id system.
1218 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1219 be read from memory.
1221 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1223 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1224 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1225 content, if possible.
1227 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1229 link_map: Use proper bias, not l_addr.
1230 * core-file.c (dynamic_vaddr_get): Rename to ...
1231 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1233 (dwfl_core_file_report): Update name in the caller.
1234 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1235 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1236 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1237 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1239 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1241 Compatibility with older kernels such as RHEL-6.
1242 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1243 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1244 (pid_set_initial_registers): Pass tid_was_stopped.
1245 (pid_thread_detach): Use tid_was_stopped.
1247 2013-11-18 Josh Stone <jistone@redhat.com>
1249 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1250 (find_aux_sym): Use it.
1252 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1254 Code cleanup: Remove const in prototype
1255 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1257 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1258 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1260 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1262 Fix dwfl_attach_state machine->elf.
1263 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1264 Call ebl_openbackend instead of ebl_openbackend_machine.
1265 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1266 Update the function description.
1267 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1269 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1272 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1274 Provide __libdwfl_module_getsym to get dwfl_file *.
1275 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1276 (dwfl_module_addrsym) (search_table): New variable file. Use
1277 __libdwfl_module_getsym. Use file.
1278 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1279 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1280 (dwfl_module_getsym): New wrapper.
1281 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1283 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1285 Fix dwfl_module_addrsym for minidebuginfo.
1286 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1288 (dwfl_module_addrsym) (same_section): Use it.
1289 (dwfl_module_addrsym) (i_to_symfile): New function.
1290 (dwfl_module_addrsym) (search_table): Use it.
1292 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1293 Mark Wielaard <mjw@redhat.com>
1295 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1296 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1298 * core-file.c (dwfl_core_file_report): Call
1299 __libdwfl_attach_state_for_core.
1300 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1301 * dwfl_frame.c: New file.
1302 * frame_unwind.c: New file.
1303 * dwfl_frame_pc.c: New file.
1304 * linux-pid-attach.c: New file.
1305 * linux-core-attach.c: New file.
1306 * dwfl_frame_regs.c: New file.
1307 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1308 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1309 (Dwfl_Thread_Callbacks): New definition.
1310 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1311 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1312 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1313 (dwfl_frame_pc): New declarations.
1314 * libdwflP.h (Dwfl_Process): New typedef.
1315 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1316 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1317 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1318 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1319 (struct Dwfl): New entry process.
1320 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1321 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1322 (__libdwfl_process_free, __libdwfl_frame_unwind)
1323 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1324 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1325 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1326 (dwfl_frame_thread, dwfl_thread_state_registers)
1327 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1328 (dwfl_frame_pc): New INTDECL entries.
1329 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1330 __libdwfl_attach_state_for_pid.
1331 * segment.c (segment_start): Rename to ...
1332 (__libdwfl_segment_start): ... here and make it internal_function.
1333 (segment_end): Rename to ...
1334 (__libdwfl_segment_end): ... here and make it internal_function.
1335 (reify_segments, dwfl_report_segment): Rename them at the callers.
1337 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1339 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1341 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1343 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1344 retval. Fix one forgotten LISTED increase.
1346 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1348 Fix core files for re-prelink-ed files.
1349 * core-file.c (dynamic_vaddr_get): New function.
1350 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1351 dynamic_vaddr_get instead of using L_ADDR.
1352 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1353 * link_map.c (report_r_debug): Do not initialize l_addr.
1355 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1358 * core-file.c (dwfl_core_file_report): Reindent block of code by
1361 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1363 * argp-std.c (parse_opt): Use executable parameter of
1364 dwfl_core_file_report.
1365 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1366 it to DWFL. Add NEW_VERSION for it.
1367 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1368 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1369 the function comment.
1371 2013-10-15 Mark Wielaard <mjw@redhat.com>
1373 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1375 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1377 2013-09-12 Mark Wielaard <mjw@redhat.com>
1379 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1381 2013-09-12 Mark Wielaard <mjw@redhat.com>
1383 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1386 2013-09-12 Mark Wielaard <mjw@redhat.com>
1388 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1389 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1391 2013-08-25 Mark Wielaard <mjw@redhat.com>
1393 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1396 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1398 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1399 conflicts all the modules, not just the first one. Compare L_LD if it
1400 is equal, not if it is in a module address range.
1402 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1404 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1406 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1408 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1409 (dwfl_core_file_report): Call __libdwfl_report_elf for
1410 R_DEBUG_INFO.MODULE.
1411 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1413 (__libdwfl_report_elf): ... this function. Call it.
1414 * dwfl_segment_report_module.c: Include unistd.h.
1415 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1416 Clear MODULE if it has no build-id and we have segment with build-id.
1417 Ignore this segment only if MODULE still contains valid ELF.
1418 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1419 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1420 and disk_file_has_build_id.
1421 (dwfl_link_map_report): Extend the comment.
1422 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1423 r_debug_info_module. Initialize also the new r_debug_info_module
1424 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1425 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1427 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1429 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1431 2013-07-02 Mark Wielaard <mjw@redhat.com>
1433 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1435 2013-06-05 Mark Wielaard <mjw@redhat.com>
1437 * link_map.c (report_r_debug): Always call release_buffer after
1438 memory_callback succeeded reading build_id.
1440 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1442 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1443 executable_for_core before calling dwfl_core_file_report.
1444 * core-file.c (clear_r_debug_info): New function.
1445 (dwfl_core_file_report): Move raw segments reporting lower. New
1446 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1447 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1448 * dwfl_module_build_id.c (check_notes): Move into
1449 __libdwfl_find_elf_build_id.
1450 (__libdwfl_find_build_id): Rename to ...
1451 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1452 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1453 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1454 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1455 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1456 adjust its data_elfaddr parameter.
1457 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1458 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1459 parameter r_debug_info. New variable name_is_final. Adjust addresses
1460 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1461 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1462 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1463 (struct r_debug_info_module, struct r_debug_info): New definitions.
1464 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1466 * link_map.c: Include fcntl.h.
1467 (report_r_debug): Add parameter r_debug_info, describe it in the
1468 function comment. Delete dwfl_addrmodule call and its dependent code.
1469 Verify build-id before calling dwfl_report_elf, also supply
1470 executable_for_core to it. Store r_debug_info->module info when
1472 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1473 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1476 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1478 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1479 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1480 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1481 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1483 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1485 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1486 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1487 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1488 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
1490 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
1492 2013-04-27 Mark Wielaard <mjw@redhat.com>
1494 * link_map.c: #include system.h.
1496 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1498 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
1499 them to lib/system.h.
1501 2013-04-24 Mark Wielaard <mjw@redhat.com>
1503 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1505 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1507 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
1509 2013-03-12 Mark Wielaard <mjw@redhat.com>
1511 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
1513 2013-02-22 Mark Wielaard <mjw@redhat.com>
1515 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
1516 as DWFL_E_BADELF when not used.
1518 2013-02-10 Mark Wielaard <mjw@redhat.com>
1520 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
1521 failure messages When handling ARGP_KEY_SUCCESS because arg will
1524 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1526 * linux-proc-maps.c: Include system.h.
1527 (PROCEXEFMT, get_pid_class): New.
1528 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
1531 2013-01-23 Mark Wielaard <mjw@redhat.com>
1533 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one
1534 from aux_syments by default.
1535 (find_symtab): Also succeed when only aux_symdata is found.
1536 When no symtab is found always try to load auxiliary table.
1537 (dwfl_module_getsymtab): Substract one from result when both
1538 tables have symbols.
1539 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
1540 zero entry when both tables have symbols.
1541 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract
1542 one from first_global when both tables have symbols.
1544 2013-01-16 Mark Wielaard <mjw@redhat.com>
1546 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
1547 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
1548 (dwfl_adjusted_aux_sym_addr): New function.
1549 (dwfl_deadjust_aux_sym_addr): Likewise.
1550 (dwfl_adjusted_st_value): Take and check symfile argument.
1551 (dwfl_deadjust_st_value): Likewise.
1552 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
1553 use dwfl_file as argument to set address_sync.
1554 (find_debuginfo): Call find_prelink_address_sync with debug file.
1555 (find_aux_sym): New function.
1556 (find_symtab): Use find_aux_sym if all we have is the dynsym table
1557 and fill in aux DwflModule fields.
1558 (dwfl_module_getsymtab): Return syments plus aux_syments.
1559 (load_symtab): Always set first_global.
1560 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
1561 when using same_section. Calculate first_global based on both
1562 mod->first_global and mod->aux_first_global.
1563 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
1564 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
1565 to retrieve symbol and name if necessary, making sure all locals
1566 from any table come before any globals.
1567 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
1569 * relocate.c (resolve_symbol): Likewise.
1571 2013-01-07 Roland McGrath <roland@hack.frob.com>
1573 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
1574 still assume the data is at least 32-bit aligned anyway.
1575 (dwfl_link_map_report): Handle unaligned auxv data.
1577 2012-12-11 Mark Wielaard <mjw@redhat.com>
1579 * linux-kernel-modules.c (report_kernel): Only free fname if
1580 find_kernel_elf succeeds and allocates it.
1581 (report_kernel_archive): Fix brackets around unlikely expression.
1583 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
1585 * argp-std.c: Update Copyright year.
1586 (offline_find_elf): New function.
1587 (offline_callbacks): Use it for find_elf.
1588 (struct parse_opt): New.
1589 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
1590 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
1591 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
1592 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
1593 final state->input initialization optional.
1594 * dwfl_end.c: Update Copyright year.
1595 (dwfl_end): Free executable_for_core.
1596 * libdwflP.h: Update Copyright year.
1597 (struct Dwfl): New field executable_for_core.
1599 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1601 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
1604 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1606 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
1608 (__libdwfl_getelf): ... here. Call it.
1610 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1612 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
1614 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1616 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1617 Initialize mod->MAIN_BIAS.
1619 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1621 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
1622 binding_value. Use it for both zero and non-zero size symbols
1625 2012-10-01 Mark Wielaard <mjw@redhat.com>
1627 * cu.c (cudie_offset): Don't use type_sig8, it might not be
1628 initialized and these are always real CUs, never TUs.
1630 2012-10-01 Mark Wielaard <mjw@redhat.com>
1632 * derelocate.c (find_section): Check next section exists before
1635 2012-08-01 Petr Machata <pmachata@redhat.com>
1637 * offline.c (process_archive_member): Ignore entry "/SYM64/".
1639 2012-03-28 Roland McGrath <roland@hack.frob.com>
1641 * dwfl_segment_report_module.c
1642 (dwfl_segment_report_module: read_portion): Don't use existing buffer
1643 when FILESZ is zero (string mode) and available portion doesn't hold
1644 a terminated string.
1646 2011-12-02 Roland McGrath <roland@hack.frob.com>
1648 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
1649 to use elf64_xlatetom and PHDRS.p64.
1650 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
1652 2011-11-31 Mark Wielaard <mjw@redhat.com>
1654 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
1655 global symbols. Then only when that doesn't provide a match search
1656 all local symbols too.
1657 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
1659 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
1660 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
1662 2011-11-31 Mark Wielaard <mjw@redhat.com>
1664 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
1665 sizeless_sym if needed and closer to desired addr.
1667 2011-10-20 Mark Wielaard <mjw@redhat.com>
1669 * derelocate.c (cache_sections): Intern mod->reloc_info check.
1670 (dwfl_module_relocations): Don't check mod->reloc_info.
1671 (dwfl_module_relocation_info): Likewise.
1672 (find_section): Likewise.
1674 2011-07-09 Roland McGrath <roland@hack.frob.com>
1676 * image-header.c (LE32): Macro removed (now in lib/system.h).
1678 2011-04-11 Mark Wielaard <mjw@redhat.com>
1680 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
1681 by check for zlib, bzlib or lzma defines to check it isn't empty.
1682 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
1684 2011-03-08 Roland McGrath <roland@redhat.com>
1686 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
1687 Reported by Kurt Roeckx <kurt@roeckx.be>.
1689 2011-02-11 Roland McGrath <roland@redhat.com>
1691 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
1692 suffixes if corresponding decompression support is enabled.
1694 2011-02-01 Roland McGrath <roland@redhat.com>
1696 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
1697 section-end address as the synchronization point, rather than sh_addr.
1699 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
1700 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
1702 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
1703 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
1705 2011-01-11 Roland McGrath <roland@redhat.com>
1707 * dwfl_module_getdwarf.c (open_elf): Remove section-based
1708 address_sync fixup from here.
1709 (find_prelink_address_sync): New function.
1710 (find_debuginfo): Call it.
1711 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
1713 2011-01-04 Roland McGrath <roland@redhat.com>
1715 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
1716 logic to consider section addresses, the better to survive all the
1717 possible prelink machinations.
1718 * libdwflP.h (struct dwfl_file): Comment change.
1720 2010-11-30 Roland McGrath <roland@redhat.com>
1722 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
1724 2010-11-12 Roland McGrath <roland@redhat.com>
1726 * libdwflP.h (struct Dwfl_Module): New member main_bias.
1727 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
1728 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
1730 * libdwflP.h (dwfl_deadjust_address): New function.
1731 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
1732 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
1733 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
1735 2010-11-11 Roland McGrath <roland@redhat.com>
1737 * libdwflP.h (struct dwfl_file): Remove bias member.
1738 Add vaddr and address_sync members instead.
1739 (dwfl_adjusted_address): Calculate using vaddr.
1740 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
1741 (dwfl_adjusted_st_value): Use one of those calls.
1742 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
1743 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1744 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
1745 * link_map.c (consider_executable): Adjust only MOD->low_addr for
1746 detected PIE bias change.
1748 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
1749 * dwfl_module_info.c: Use it.
1750 * cu.c (addrarange): Likewise.
1751 * dwfl_dwarf_line.c: Likewise.
1752 * dwfl_module_dwarf_cfi.c: Likewise.
1753 * dwfl_lineinfo.c: Likewise.
1754 * dwfl_nextcu.c: Likewise.
1755 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
1757 * libdwflP.h (dwfl_adjusted_st_value): New function.
1758 * relocate.c (resolve_symbol): Use it.
1759 * dwfl_module_getsym.c: Likewise.
1760 * dwfl_module_addrsym.c: Likewise.
1761 * dwfl_module_info.c: Likewise.
1763 * libdwflP.h (dwfl_adjusted_address): New function.
1764 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
1765 * relocate.c (__libdwfl_relocate_value): Likewise.
1766 * derelocate.c (cache_sections): Likewise.
1767 (dwfl_module_address_section): Likewise.
1768 * dwfl_module_getelf.c: Likewise.
1769 * dwfl_module_eh_cfi.c: Likewise.
1770 * link_map.c (consider_executable): Likewise.
1772 2010-08-24 Roland McGrath <roland@redhat.com>
1774 * dwfl_dwarf_line.c: New file.
1775 * Makefile.am (libdwfl_a_SOURCES): Add it.
1777 2010-08-18 Roland McGrath <roland@redhat.com>
1779 * link_map.c (report_r_debug): Use found name if we have no name,
1780 even if we already have an Elf handle.
1782 2010-06-30 Roland McGrath <roland@redhat.com>
1784 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
1785 confused by -1 return from dwfl_build_id_find_elf after it opened
1787 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
1788 dwfl_build_id_find_debuginfo.
1790 2010-06-16 Roland McGrath <roland@redhat.com>
1792 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
1794 2010-06-14 Roland McGrath <roland@redhat.com>
1796 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
1797 candidate file to that st_dev/st_ino and pretend it didn't exist
1799 (find_debuginfo_in_path): Update caller, pass main file's info.
1801 2010-05-20 Roland McGrath <roland@redhat.com>
1803 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
1804 (grovel_auxv): ... this. Take DWFL argument.
1805 (dwfl_linux_proc_report): Update caller.
1807 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
1808 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
1810 2010-05-19 Roland McGrath <roland@redhat.com>
1812 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
1814 2010-05-06 Roland McGrath <roland@redhat.com>
1816 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
1818 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
1819 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
1820 ID but we didn't find a file.
1821 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
1822 and refuse any fallback file-by-name if it lacks the matching ID.
1824 * dwfl_error.c (dwfl_errno): Add INTDEF.
1825 * libdwflP.h: Add INTDECL.
1827 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
1830 2010-05-04 Roland McGrath <roland@redhat.com>
1832 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
1833 ET_DYN that has a DT_DEBUG.
1835 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
1837 * segment.c (insert): Fix moving of values following insertion.
1838 (reify_segments): Fix up MOD->segment backpointer indices after
1839 later insertions in the main loop invalidate them.
1841 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
1842 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
1844 * core-file.c (dwfl_core_file_report): Return any nonzero count of
1845 modules reported, even if link_map grovelling failed and only sniffing
1848 2010-04-26 Roland McGrath <roland@redhat.com>
1850 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
1851 Works around probably-wrong ld -r behavior for case of a DWARF address
1852 constant that refers to a discarded SHF_ALLOC section.
1854 2010-04-14 Roland McGrath <roland@redhat.com>
1856 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
1857 an upper bound on sane possible number of elements.
1859 2010-03-11 Roland McGrath <roland@redhat.com>
1861 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
1862 the second half for 32-bit matches.
1864 2010-03-10 Roland McGrath <roland@redhat.com>
1866 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
1867 * argp-std.c (parse_opt): Update caller.
1868 * libdwfl.h: Declare dwfl_core_file_report.
1869 * libdwflP.h: Don't.
1871 2010-02-17 Roland McGrath <roland@redhat.com>
1873 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
1874 If set, find the first index not below ADDR.
1875 (dwfl_segment_report_module): Update callers.
1876 Pass true when calculating return value.
1878 2010-02-15 Roland McGrath <roland@redhat.com>
1880 * Makefile.am: Use config/eu.am for common stuff.
1882 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
1883 variable in failure path.
1885 2010-02-02 Mark Wielaard <mjw@redhat.com>
1887 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
1888 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
1890 2010-01-07 Roland McGrath <roland@redhat.com>
1892 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
1893 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1894 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
1895 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1897 2010-01-06 Roland McGrath <roland@redhat.com>
1899 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
1900 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
1902 2009-11-16 Roland McGrath <roland@redhat.com>
1904 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
1906 2009-11-12 Petr Machata <pmachata@redhat.com>
1908 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
1909 the chunk is both offset-contiguous and vaddr-contiguous.
1911 2009-11-05 Roland McGrath <roland@redhat.com>
1913 * link_map.c (report_r_debug): Skip entries with l_ld==0.
1914 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
1916 2009-09-04 Roland McGrath <roland@redhat.com>
1918 * image-header.c (__libdw_image_header): Fix tranposed comparison.
1920 2009-08-27 Roland McGrath <roland@redhat.com>
1922 * image-header.c: New file.
1923 * Makefile.am (libdwfl_a_SOURCES): Add it.
1924 * libdwflP.h: Declare __libdw_image_header.
1925 * open.c (decompress): Don't consume ELF on failure.
1926 (what_kind): New function, broken out of ...
1927 (__libdw_open_file): ... here. Call it.
1928 If it fails, try __libdw_image_header and then try what_kind again.
1930 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
1931 leave it behind for next decompressor.
1932 * open.c (decompress): Free BUFFER on failure.
1934 2009-08-26 Roland McGrath <roland@redhat.com>
1936 * gzip.c (find_zImage_payload): New function, broken out of ...
1937 (mapped_zImage): ... here. Call it.
1938 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
1939 stupid method of just trying the decoder.
1941 * open.c [USE_LZMA]: Try __libdw_unlzma.
1942 * libdwflP.h: Declare it.
1943 (DWFL_ERRORS): Add DWFL_E_LZMA.
1944 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
1946 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
1948 * gzip.c (mapped_zImage): Limit scan to 32kb.
1949 Make this unconditional, support bzip2 kernel images too.
1950 (unzip): Use direct inflate method for non-mmap case too.
1951 Only zlib uses the stream method.
1953 2009-08-09 Roland McGrath <roland@redhat.com>
1955 * dwfl_module_build_id.c: Use new macros for versioned definitions.
1957 2009-07-08 Roland McGrath <roland@redhat.com>
1959 * dwfl_module_dwarf_cfi.c: New file.
1960 * dwfl_module_eh_cfi.c: New file.
1961 * Makefile.am (libdwfl_a_SOURCES): Add them.
1962 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
1963 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
1965 2009-07-08 Roland McGrath <roland@redhat.com>
1967 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
1969 2009-06-18 Mark Wielaard <mjw@redhat.com>
1971 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
1973 2009-06-13 Ulrich Drepper <drepper@redhat.com>
1975 * derelocate.c: Don't use deprecated libelf functions.
1976 * dwfl_module_getdwarf.c: Likewise.
1977 * relocate.c: Likewise.
1979 2009-04-23 Ulrich Drepper <drepper@redhat.com>
1981 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
1982 defined. Otherwise just define the latest version.
1984 2009-04-22 Roland McGrath <roland@redhat.com>
1986 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
1987 a non-ET_REL module.
1989 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
1990 adjust properly for non-ET_REL.
1992 2009-04-21 Roland McGrath <roland@redhat.com>
1994 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
1996 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
1997 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
1999 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
2001 2009-04-20 Roland McGrath <roland@redhat.com>
2003 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
2005 2009-04-19 Roland McGrath <roland@redhat.com>
2007 * dwfl_module_getdwarf.c (find_file): Renamed to ...
2008 (__libdwfl_getelf): ... this. Make it global.
2009 (find_symtab, find_dw): Update callers.
2010 (dwfl_module_getelf): Functions moved ...
2011 * dwfl_module_getelf.c: ... here, new file.
2012 * Makefile.am (libdwfl_a_SOURCES): Add it.
2013 * libdwflP.h: Declare __libdwfl_getelf.
2015 2009-04-14 Roland McGrath <roland@redhat.com>
2017 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
2018 absolute (already adjusted in place) or needing load bias adjustment.
2020 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
2021 gelf_getphdr failure. Fix file size limit checks.
2023 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
2025 2009-04-08 Roland McGrath <roland@redhat.com>
2027 * dwfl_module_getsym.c: Don't adjust for bias again after
2028 __libdwfl_relocate_value.
2030 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
2031 a non-SHF_ALLOC section.
2032 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
2033 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
2035 2009-03-09 Roland McGrath <roland@redhat.com>
2037 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
2038 variable to outer scope, so we cache it for the loop.
2040 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
2042 2009-02-12 Roland McGrath <roland@redhat.com>
2044 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
2045 __libdwfl_relocate_value to find correct sh_addr value.
2047 2009-02-10 Roland McGrath <roland@redhat.com>
2049 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
2050 If false, don't fail for NO_PHDR.
2051 (dwfl_report_elf): Update caller.
2052 * libdwflP.h: Update decl.
2053 * offline.c (process_elf): Call it with false, so we don't refuse
2054 dubiously-formed objects here.
2056 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
2057 finds our module. We shouldn't crash when we confuse some guesses.
2059 2009-02-10 Ulrich Drepper <drepper@redhat.com>
2061 * open.c (decompress): Avoid crash with empty input file.
2063 2009-01-27 Roland McGrath <roland@redhat.com>
2065 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
2066 with zero vaddr and memsz.
2068 2009-01-22 Roland McGrath <roland@redhat.com>
2070 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
2072 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
2073 after address-matching loop.
2075 * segment.c (lookup): Fix fencepost in checking for HINT match.
2077 2009-01-14 Roland McGrath <roland@redhat.com>
2079 * gzip.c [!BZLIB] (mapped_zImage): New function.
2080 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
2082 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2084 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
2086 2009-01-08 Roland McGrath <roland@redhat.com>
2088 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
2089 Skip subdirectory named "source".
2090 (dwfl_linux_kernel_find_elf): Likewise.
2092 2009-01-06 Roland McGrath <roland@redhat.com>
2094 * linux-kernel-modules.c (check_suffix): New function.
2095 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
2096 (dwfl_linux_kernel_report_offline): Use it.
2097 (dwfl_linux_kernel_find_elf): Likewise.
2099 2009-01-05 Roland McGrath <roland@redhat.com>
2101 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
2102 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
2103 * dwfl_build_id_find_elf.c: Likewise.
2104 * dwfl_module_getdwarf.c (open_elf): Likewise.
2105 * dwfl_report_elf.c: Likewise.
2106 * find-debuginfo.c (validate): Likewise.
2107 * offline.c (__libdwfl_report_offline): Likewise.
2109 * libdwflP.h: Declare __libdw_open_file.
2111 * Makefile.am (libdwfl_a_SOURCES): Add it.
2114 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
2115 * bzip2.c: New file.
2116 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
2117 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
2119 2008-12-16 Roland McGrath <roland@redhat.com>
2121 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
2122 symver magic to bind to ELFUTILS_0.138.
2123 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
2124 wrapper for ELFUTILS_0.130 version set.
2126 2008-12-18 Roland McGrath <roland@redhat.com>
2128 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
2129 addresses are taken as relative to MOD->low_addr.
2131 2008-12-15 Roland McGrath <roland@redhat.com>
2133 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2136 2008-12-11 Roland McGrath <roland@redhat.com>
2138 * offline.c (process_archive): Don't call elf_end and close if
2139 returning NULL. Check first elf_begin call and set error code
2140 specially for empty archive.
2143 2008-12-02 Roland McGrath <roland@redhat.com>
2145 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2147 2008-11-26 Roland McGrath <roland@redhat.com>
2149 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
2150 return value, and interpret encoded OFFSET argument.
2152 2008-10-07 Roland McGrath <roland@redhat.com>
2154 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2156 2008-09-29 Roland McGrath <roland@redhat.com>
2158 * segment.c (insert): Must realloc DWFL->lookup_module here too.
2159 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2161 2008-08-28 Roland McGrath <roland@redhat.com>
2163 * segment.c (reify_segments): Fix last change.
2165 2008-08-27 Roland McGrath <roland@redhat.com>
2167 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2168 failure from pread64.
2170 2008-08-26 Roland McGrath <roland@redhat.com>
2172 * segment.c (reify_segments): Insert a trailing segment for a module
2173 end that is above the highest current segment.
2175 2008-08-25 Roland McGrath <roland@redhat.com>
2177 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2178 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2179 if FILE->elf is not ELF_K_ELF.
2181 * dwfl_segment_report_module.c: Add a cast.
2183 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2185 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2186 which decides which symbol is "closest" to a given address.
2188 2008-08-15 Roland McGrath <roland@redhat.com>
2190 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2191 (options, parse_opt): Handle --core.
2193 * core-file.c: New file.
2194 * Makefile.am (libdwfl_a_SOURCES): Add it.
2195 * libdwflP.h (dwfl_core_file_report): Declare it.
2197 * link_map.c: New file.
2198 * Makefile.am (libdwfl_a_SOURCES): Add it.
2199 * libdwflP.h (dwfl_link_map_report): Declare it.
2201 * libdwflP.h (MIN, MAX): New macros.
2202 (Dwfl_Memory_Callback): New typedef.
2203 (Dwfl_Module_Callback): New typedef.
2204 (dwfl_segment_report_module): Declare it.
2205 * dwfl_segment_report_module.c: New file.
2206 * Makefile.am (libdwfl_a_SOURCES): Add it.
2208 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2209 * libdwflP.h: Add INTDECL.
2211 * segment.c: New file.
2212 * Makefile.am (libdwfl_a_SOURCES): Add it.
2213 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2214 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2215 lookup_addr, lookup_module, lookup_segndx, replace removed members
2217 (struct Dwfl_Module): New member segment.
2218 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2219 to each free module.
2220 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2221 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2222 (dwfl_report_module): Don't touch DWFL->nmodules.
2223 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2224 (compare_modules): Function removed.
2225 * dwfl_getmodules.c: Rewritten.
2227 * libdwflP.h: Add INTDECLs.
2228 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2229 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2231 2008-08-03 Roland McGrath <roland@redhat.com>
2233 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2235 2008-07-17 Roland McGrath <roland@redhat.com>
2237 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2238 zero if the failure was only ENOENT.
2240 2008-06-03 Roland McGrath <roland@redhat.com>
2242 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2245 2008-05-22 Petr Machata <pmachata@redhat.com>
2247 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2249 2008-05-06 Roland McGrath <roland@frob.com>
2251 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2252 FTS_LOGICAL here too.
2253 (dwfl_linux_kernel_find_elf): Likewise.
2255 2008-04-29 Roland McGrath <roland@redhat.com>
2257 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2258 based on canonicalize_file_name if it differs from the supplied name.
2260 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2263 2008-04-27 Roland McGrath <roland@redhat.com>
2265 * linux-kernel-modules.c (report_kernel): Fix crash when
2266 dwfl_report_elf fails.
2268 2008-04-05 Roland McGrath <roland@redhat.com>
2270 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2272 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2273 Clear it after freeing.
2274 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2276 2008-03-26 Roland McGrath <roland@redhat.com>
2278 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2279 SHT_DYNSYM, just set *SYMSCN like the comment says.
2281 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2283 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2285 2008-03-19 Roland McGrath <roland@redhat.com>
2287 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2289 2008-03-01 Roland McGrath <roland@redhat.com>
2291 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2292 prototype to avoid older compiler's complaint about reuse of the name.
2293 (__libdwfl_canon_error): Likewise.
2295 2008-02-19 Roland McGrath <roland@redhat.com>
2297 * relocate.c (relocate_section): Check for an unhandled relocation
2298 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2299 DWFL_E_UNKNOWN_MACHINE check out of loops.
2301 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2302 DEBUGFILE->relocated is already set.
2304 2008-01-26 Roland McGrath <roland@redhat.com>
2306 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2308 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2309 incoming *FILE_NAME at the start.
2311 2008-01-08 Roland McGrath <roland@redhat.com>
2313 * Makefile.am (euinclude): Variable removed.
2314 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2316 2007-10-23 Roland McGrath <roland@redhat.com>
2318 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2319 module to appear first.
2321 2007-10-20 Roland McGrath <roland@redhat.com>
2323 * offline.c (process_archive_member): Take FD argument, pass it down
2324 to process_file. Return Elf_Cmd, not bool.
2325 Call elf_next here, always before elf_end.
2326 (process_archive): Update caller. Don't close FD here unless there
2329 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2331 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2332 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2333 partial relocation to one or both files.
2334 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2335 relocations have been applied to the debug file if dwfl_module_getelf
2336 has been used before.
2338 * relocate.c (resolve_symbol): New function.
2339 (relocate_section): Call it.
2341 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2342 (relocate_section): Take new bool arg, PARTIAL. If true,
2343 no error for BADRELTYPE/RELUNDEF, instead just skip them
2344 and leave only those skipped relocs behind the reloc section.
2345 (__libdwfl_relocate_section): Take new arg, pass it down.
2346 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2347 do partial relocation on all sections.
2348 * dwfl_module_getdwarf.c (load_dw): Update caller.
2349 * libdwflP.h: Update decls.
2350 * derelocate.c (dwfl_module_address_section): Pass new argument
2351 to __libdwfl_relocate_section, true.
2353 * derelocate.c (cache_sections): Don't cache reloc sections when
2354 section_address callback is null.
2356 2007-10-19 Roland McGrath <roland@redhat.com>
2358 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2360 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2361 (struct secref): Likewise.
2362 (cache_sections): Cache the relocation section referring to each
2363 section we cache, if any.
2364 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2367 * relocate.c (struct reloc_symtab_cache): New type.
2368 (relocate_getsym): Use it instead of four arguments.
2369 (__libdwfl_relocate): Update caller.
2370 (relocate_section): New function, broken out of ...
2371 (__libdwfl_relocate): ... here.
2372 (__libdwfl_relocate_section): New function.
2373 * libdwflP.h: Declare it.
2375 2007-10-17 Roland McGrath <roland@redhat.com>
2377 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2378 to relocated st_value.
2380 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2383 2007-10-16 Roland McGrath <roland@redhat.com>
2385 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2386 section has larger alignment requirements not met by the original BASE,
2387 rather than padding more between sections.
2389 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2391 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2394 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2395 at zero in ET_REL case. Adjust BASE to necessary alignment.
2397 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2399 (__libdwfl_find_build_id): Update caller.
2401 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2402 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2403 * offline.c (dwfl_offline_section_address): Bail early if there is
2404 separate debug file.
2406 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2408 2007-10-09 Roland McGrath <roland@redhat.com>
2410 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2411 caching SHDR->sh_addr = 0.
2412 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2413 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2415 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2416 we've found SHT_SYMTAB.
2418 * relocate.c (relocate_getsym): New function.
2419 (__libdwfl_relocate): Use it.
2420 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2421 be a pointer instead of value; cache getshstrndx result there.
2422 * libdwflP.h: Update decl.
2423 * derelocate.c (cache_sections): Update caller.
2424 Always work on the main file, not the symfile.
2425 (dwfl_module_address_section): Likewise.
2426 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2428 2007-10-07 Roland McGrath <roland@redhat.com>
2430 * offline.c (process_archive): Initialize MOD.
2432 * linux-kernel-modules.c (get_release): New function, broken out of ...
2433 (report_kernel): ... here. Call it.
2434 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2435 (find_kernel_elf): Update caller.
2436 (report_kernel_archive): New function.
2437 (dwfl_linux_kernel_report_offline): Call it.
2439 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2440 (process_archive): Likewise.
2441 (process_archive_member): Likewise. When nonnull, let the predicate
2442 decide whether to use this member.
2443 (__libdwfl_report_offline): New function, broken out of ...
2444 (dwfl_report_offline): ... here. Call it.
2445 * libdwflP.h: Declare it.
2447 * offline.c (process_archive, process_archive_member): New functions.
2448 (process_elf, process_file): New functions, broken out of ...
2449 (dwfl_report_offline): ... here. Call process_file, which recurses on
2452 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2453 (dwfl_report_elf): ... here. Call it.
2454 * libdwflP.h: Declare it.
2456 2007-10-06 Roland McGrath <roland@redhat.com>
2458 * derelocate.c (dwfl_module_relocations): Don't call
2459 dwfl_module_getdwarf.
2461 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2464 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2465 SHF_ALLOC, to cache sh_addr resolved to 0.
2467 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2468 values nonzero already, just use its existing layout.
2470 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2471 in-core shdr after applying it.
2473 2007-10-04 Ulrich Drepper <drepper@redhat.com>
2475 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2476 initialization of notes variable.
2478 2007-10-04 Roland McGrath <roland@redhat.com>
2480 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2481 fill in with vaddr of "__start_notes" symbol if found.
2482 (check_notes): New function.
2483 (check_kernel_notes): New function.
2484 (dwfl_linux_kernel_report_kernel): Call it.
2485 (check_module_notes): New function.
2486 (dwfl_linux_kernel_report_modules): Call it.
2488 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2489 Try dwfl_build_id_find_elf first.
2491 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
2492 Set kernel module e_type to ET_DYN.
2494 2007-10-03 Roland McGrath <roland@redhat.com>
2496 * find-debuginfo.c (validate): New function, broken out of ...
2497 (find_debuginfo_in_path): ... here. New function, broken out of ...
2498 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
2499 dwfl_build_id_find_debuginfo first.
2501 * dwfl_build_id_find_elf.c: New file.
2502 * dwfl_build_id_find_debuginfo.c: New file.
2503 * Makefile.am (libdwfl_a_SOURCES): Add them.
2504 * libdwfl.h: Declare them.
2505 * libdwflP.h: Add INTDECLs.
2507 * dwfl_module_build_id.c: New file.
2508 * dwfl_module_report_build_id.c: New file.
2509 * Makefile.am (libdwfl_a_SOURCES): Add them.
2510 * libdwfl.h: Declare them.
2511 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
2512 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
2513 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
2515 * dwfl_module_getdwarf.c (find_offsets): New function.
2516 (find_dynsym): New function, calls that.
2517 (find_symtab): Call it.
2519 2007-09-11 Roland McGrath <roland@redhat.com>
2521 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
2522 address if its st_size is smaller.
2524 2007-08-13 Roland McGrath <roland@redhat.com>
2526 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2528 2007-08-12 Roland McGrath <roland@redhat.com>
2530 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
2533 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
2534 a second phdr if it happens to match EHDR_VMA exactly.
2536 2007-08-08 Roland McGrath <roland@redhat.com>
2538 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
2539 those with no names. Rewrite best symbol algorithm not to assume a
2540 sorted table and to be smarter handling sizeless symbols.
2542 2007-07-16 Roland McGrath <roland@redhat.com>
2544 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
2545 reviving an existing module.
2547 2007-06-08 Roland McGrath <roland@redhat.com>
2549 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
2551 2007-05-17 Roland McGrath <roland@redhat.com>
2553 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
2554 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
2555 (dwfl_linux_kernel_find_elf): Likewise.
2557 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2558 getline and sscanf instead of fscanf.
2560 2007-05-08 Roland McGrath <roland@redhat.com>
2562 * offline.c (dwfl_offline_section_address): Don't assume section
2563 numbers match between stripped and debuginfo files. Instead, assume
2564 only that the ordering among SHF_ALLOC sections matches.
2566 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
2568 (dwfl_linux_kernel_report_offline): Update caller.
2569 (dwfl_linux_kernel_report_kernel): Likewise.
2571 2007-04-23 Roland McGrath <roland@redhat.com>
2573 * argp-std.c (options): Fix group title string.
2575 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
2576 Update via STATE->input every time we set STATE->hook, not only at
2579 * dwfl_module.c (free_file): Free FILE->name.
2581 2007-04-16 Roland McGrath <roland@redhat.com>
2583 * derelocate.c (cache_sections): Apply bias to sh_addr.
2584 (compare_secrefs): Fix address comparison to avoid signed overflow.
2585 (find_section): New function, broken out of ...
2586 (dwfl_module_relocate_address): ... here, call it.
2587 (check_module): New function, broken out of ...
2588 (dwfl_module_relocate_address): ... here, call it.
2589 (dwfl_module_address_section): New function.
2590 * libdwfl.h: Declare it.
2592 2007-03-26 Roland McGrath <roland@redhat.com>
2594 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2596 2007-03-18 Roland McGrath <roland@redhat.com>
2598 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
2599 (find_debuginfo): ... here. Call it.
2600 Don't return error for libelf errors finding .gnu_debuglink section.
2602 2007-03-12 Roland McGrath <roland@redhat.com>
2604 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
2605 (dwfl_report_begin): ... here. Call it.
2606 * libdwfl.h: Declare it.
2607 * libdwflP.h: Add INTDECL.
2609 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2611 * offline.c: Comment typo fix.
2613 2007-03-04 Roland McGrath <roland@redhat.com>
2615 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
2616 (find_kernel_elf): New function, broken out of ...
2617 (report_kernel): ... here. Call it.
2618 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
2619 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
2620 virtual address bounds of kernel from symbols rounded to page size.
2621 (dwfl_linux_kernel_report_kernel): Use that if it works, before
2622 resorting to report_kernel.
2624 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
2625 ET_EXEC file with nonzero bias.
2627 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
2628 dwfl_module_addrsym. Guts moved to ...
2629 * dwfl_module_addrsym.c: ... here; new file.
2630 * Makefile.am (libdwfl_a_SOURCES): Add it.
2631 * libdwfl.h: Declare dwfl_module_addrsym.
2632 * libdwflP.h: Add INTDECL.
2634 2007-03-03 Roland McGrath <roland@redhat.com>
2636 * dwfl_module.c (free_file): New function, broken out of ...
2637 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
2639 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
2642 2007-03-02 Roland McGrath <roland@redhat.com>
2644 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
2646 2007-02-02 Roland McGrath <roland@redhat.com>
2648 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
2649 address exactly if it's no other module's low boundary.
2651 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
2652 and size cover the address, select the closest symbol with st_size==0
2653 that lies in the same section.
2655 2007-01-29 Roland McGrath <roland@redhat.com>
2657 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2660 2007-01-20 Roland McGrath <roland@redhat.com>
2662 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
2664 * libdwfl.h (Dwfl_Callbacks): Update comment.
2665 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
2666 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2667 For ignored missing section, use -1 instead of 0.
2668 * offline.c (dwfl_offline_section_address): Expect a call for 0.
2670 2007-01-19 Roland McGrath <roland@redhat.com>
2672 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
2673 zero so a lone -e foo.so is shown without address bias.
2675 2007-01-10 Roland McGrath <roland@redhat.com>
2677 * linux-kernel-modules.c (report_kernel): Check asprintf return value
2678 directly instead of via side effect, to silence warn_unused_result.
2679 (dwfl_linux_kernel_report_offline): Likewise.
2680 (dwfl_linux_kernel_find_elf): Likewise.
2681 (dwfl_linux_kernel_module_section_address): Likewise.
2682 * find-debuginfo.c (try_open): Likewise.
2683 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
2684 (dwfl_linux_proc_report): Likewise.
2686 * libdwfl.h (dwfl_begin): Require nonnull argument.
2688 2006-12-27 Roland McGrath <roland@redhat.com>
2690 * dwfl_module.c (compare_modules): Fix address comparison to avoid
2691 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
2693 2006-10-30 Roland McGrath <roland@redhat.com>
2695 * dwfl_module.c (dwfl_report_module): Comment typo fix.
2697 2006-09-05 Roland McGrath <roland@redhat.com>
2699 * derelocate.c (cache_sections): Use alloca instead of variable-sized
2700 auto array, in function already using alloca.
2702 2006-08-14 Roland McGrath <roland@redhat.com>
2704 * linux-kernel-modules.c (try_kernel_name): If the call to
2705 dwfl_standard_find_debuginfo produces no results, try it again
2706 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
2708 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
2709 * libdwflP.h: ... to here.
2710 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
2711 repeats the first thing dwfl_standard_find_debuginfo will try.
2713 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
2714 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
2715 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
2718 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2720 * cu.c: Adjust for internal_function_def removal.
2721 * dwfl_error.c: Likewise.
2722 * dwfl_module.c: Likewise.
2723 * dwfl_module_getdwarf.c: Likewise.
2724 * lines.c: Likewise.
2725 * relocate.c: Likewise.
2727 2006-07-11 Ulrich Drepper <drepper@redhat.com>
2729 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
2730 it can overflow the return value type.
2731 Patch by Tim Moore <timoore@redhat.com>.
2733 2006-06-28 Roland McGrath <roland@redhat.com>
2735 * libdwfl.h: Cosmetic changes.
2737 * dwfl_line_comp_dir.c: New file.
2738 * Makefile.am (libdwfl_a_SOURCES): Add it.
2739 * libdwfl.h: Declare dwfl_line_comp_dir.
2741 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
2743 * dwfl_linecu.c: New file.
2744 * Makefile.am (libdwfl_a_SOURCES): Add it.
2745 * libdwfl.h: Declare dwfl_linecu.
2747 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
2748 (dwfl_linecu): Define as macro.
2750 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
2752 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
2753 (dwfl_module_addrname): Function moved ...
2754 * dwfl_module_addrname.c: ... here, new file.
2755 * dwfl_module_getsym.c: New file.
2756 * Makefile.am (libdwfl_a_SOURCES): Add them.
2757 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
2758 * libdwflP.h: Add INTDECLs.
2760 2006-06-27 Roland McGrath <roland@redhat.com>
2762 * dwfl_module.c (dwfl_report_end): Whitespace fix.
2764 2006-06-13 Roland McGrath <roland@redhat.com>
2766 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2767 Use __libdwfl_seterrno for elf_memory failure.
2769 2006-05-22 Roland McGrath <roland@redhat.com>
2771 * dwfl_module_return_value_location.c
2772 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2774 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2776 * libdwfl.h: Add extern "C".
2778 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2780 * cu.c (addrarange): Handle files without aranges information.
2782 2006-05-16 Ulrich Drepper <drepper@redhat.com>
2784 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
2787 2006-02-26 Roland McGrath <roland@redhat.com>
2789 * dwfl_version.c: New file.
2790 * Makefile.am (libdwfl_a_SOURCES): Add it.
2791 * libdwfl.h: Declare dwfl_version.
2793 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
2794 aligned up from DWFL->offline_next_address when checking for overlap.
2796 2005-12-22 Roland McGrath <roland@redhat.com>
2798 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
2800 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
2801 (dwfl_linux_proc_report): ... here. Call it.
2802 (dwfl_linux_proc_maps_report): New function.
2803 * libdwfl.h: Declare it.
2804 * libdwflP.h: Add INTDECL.
2805 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
2807 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
2808 failed with DWFL_E_NO_DWARF.
2810 2005-11-26 Roland McGrath <roland@redhat.com>
2812 * dwfl_end.c (dwfl_end): Free the DWFL itself.
2814 2005-11-25 Roland McGrath <roland@redhat.com>
2816 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
2818 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
2819 * libdwflP.h: Declare it.
2821 * dwfl_module_register_names.c: New file.
2822 * Makefile.am (libdwfl_a_SOURCES): Add it.
2823 * libdwfl.h: Declare dwfl_module_register_names.
2825 2005-11-21 Roland McGrath <roland@redhat.com>
2827 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2828 Don't leak malloc'd file name.
2829 If a /sys/.../sections file is missing and starts with ".init",
2830 try the variant with "_init" too; catches PPC64 kernel braindamage.
2832 2005-11-15 Roland McGrath <roland@redhat.com>
2834 * libdwfl.h: Comment fixes.
2836 * dwfl_module_return_value_location.c: Add unlikely for error case.
2838 2005-11-13 Roland McGrath <roland@redhat.com>
2840 * dwfl_return_value_location.c: New file.
2841 * Makefile.am (libdwfl_a_SOURCES): Add it.
2842 * libdwfl.h: Declare dwfl_module_return_value_location.
2843 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
2845 2005-10-20 Roland McGrath <roland@redhat.com>
2847 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
2848 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
2849 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2851 2005-10-01 Roland McGrath <roland@redhat.com>
2853 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
2856 2005-09-19 Roland McGrath <roland@redhat.com>
2858 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2859 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
2860 the signed integer reading; they will just have to be in hexadecimal.
2861 (dwfl_linux_kernel_module_section_address): Likewise.
2863 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2865 * Makefile.am (%.os): Use COMPILE.os.
2866 (COMPILE.os): Filter out gconv options.
2868 2005-08-25 Roland McGrath <roland@redhat.com>
2870 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
2871 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2873 2005-08-24 Roland McGrath <roland@redhat.com>
2875 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
2877 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
2878 magic initializer to set -heur-stack-bound option.
2880 2005-08-22 Roland McGrath <roland@redhat.com>
2882 * dwfl_validate_address.c: New file.
2883 * Makefile.am (libdwfl_a_SOURCES): Add it.
2884 * libdwfl.h: Declare dwfl_validate_address.
2886 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
2887 * libdwflP.h: Add INTDECL.
2889 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
2890 elf_rawdata for symbol-related sections.
2892 * offline.c (dwfl_report_offline): Move offline_next_address outside
2893 module's range, in case it's an ET_EXEC using fixed segment locations.
2894 * libdwfl.h: Update comment.
2896 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
2899 2005-08-20 Roland McGrath <roland@redhat.com>
2901 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
2902 function to choose whether to report.
2903 (dwfl_linux_kernel_report_offline): Likewise.
2904 * libdwfl.h: Update decl.
2905 * argp-std.c (parse_opt): Update caller.
2907 * dwfl_getsrclines.c: New file.
2908 * dwfl_onesrcline.c: New file.
2909 * Makefile.am (libdwfl_a_SOURCES): Add them.
2910 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
2912 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
2913 MODULESDIR[0]. Call fts_close on failure.
2915 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
2916 Close ET_REL file descriptors after relocation.
2917 (find_dw): Update caller.
2918 * offline.c (dwfl_report_offline): Get the file into memory and close
2919 the file descriptor.
2921 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
2922 MOD->debug.elf is already set.
2924 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
2925 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
2927 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
2928 dwfl_linux_kernel_report_offline with offline_callbacks.
2930 * linux-kernel-modules.c (report_kernel): New function, broken out of
2932 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2933 (dwfl_linux_kernel_report_offline): New function.
2934 * libdwfl.h: Declare it.
2935 * libdwflP.h: Add INTDECL.
2937 2005-08-19 Roland McGrath <roland@redhat.com>
2939 Use standard debuginfo search path to look for vmlinux.
2940 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
2942 * linux-kernel-modules.c (try_kernel_name): New function, broken out
2944 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2946 * argp-std.c (offline_callbacks): New variable.
2947 (parse_opt): Use it for -e. Allow multiple -e options.
2949 * offline.c: New file.
2950 * Makefile.am (libdwfl_a_SOURCES): Add it.
2951 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
2952 * libdwflP.h: Add INTDECLs.
2953 (OFFLINE_REDZONE): New macro.
2954 (struct Dwfl): New member `offline_next_address'.
2955 * dwfl_begin.c (dwfl_begin): Initialize it.
2956 * dwfl_module.c (dwfl_report_begin): Likewise.
2958 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
2959 do a nominal absolute section layout starting at BASE.
2960 * libdwfl.h: Update comment.
2962 2005-08-18 Roland McGrath <roland@redhat.com>
2964 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
2965 dwfl_module_getdwarf if necessary.
2967 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
2968 * libdwfl.h: Update comment.
2970 * derelocate.c: New file.
2971 * Makefile.am (libdwfl_a_SOURCES): Add it.
2973 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
2974 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
2975 * dwfl_module_getdwarf.c (open_elf): Update initialization.
2976 (load_dw, dwfl_module_addrname): Update uses.
2977 * relocate.c (__libdwfl_relocate): Likewise.
2979 2005-08-04 Roland McGrath <roland@redhat.com>
2981 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
2982 arguments SHNDX, SHDR.
2983 (dwfl_linux_kernel_module_section_address): Update prototype.
2984 * relocate.c (__libdwfl_relocate_value): Update caller.
2985 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2986 Take the new arguments.
2988 2005-08-10 Roland McGrath <roland@redhat.com>
2990 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
2991 use it instead of MOD->debug.file.
2992 * libdwflP.h: Update decl.
2993 * dwfl_module_getdwarf.c (load_dw): Update caller.
2996 2005-08-09 Roland McGrath <roland@redhat.com>
2998 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
2999 * cu.c: Use INTUSE on dwarf_* calls.
3000 * dwfl_error.c: Likewise.
3001 * dwfl_module.c: Likewise.
3002 * dwfl_module_getdwarf.c: Likewise.
3003 * dwfl_module_getsrc_file.c: Likewise.
3004 * lines.c: Likewise.
3006 2005-08-07 Roland McGrath <roland@redhat.com>
3008 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
3009 names contain '_' or '-', look for files named either "foo-bar.ko"
3012 2005-07-29 Roland McGrath <roland@redhat.com>
3014 * loc2c.c: File removed.
3015 * loc2c.h: File removed.
3016 * loc2c-runtime.h: File removed.
3017 * test2.c: File removed.
3018 * Makefile.am (EXTRA_DIST): Variable removed.
3019 (noinst_HEADERS): Remove loc2c.h from here.
3021 2005-07-28 Ulrich Drepper <drepper@redhat.com>
3023 * libdwfl.h: Add a few missing extern for function prototypes.
3025 * libdwfl_crc32.c: New file.
3026 * libdwfl_crc32_file.c: New file.
3027 * libdwflP.h: Declare the new functions.
3028 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
3029 libdwfl_crc32_file.c.
3030 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
3031 instead of crc32_file.
3033 2005-07-28 Roland McGrath <roland@redhat.com>
3035 * ptest.c: Moved to ../tests/dwflmodtest.c.
3037 * Makefile.am (noinst_PROGRAMS): Variable removed.
3038 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
3039 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
3040 (libdwfl): Don't use libdwfl.so any more.
3041 (libdwfl.so, install, uninstall): Targets removed.
3042 (test2_SOURCES): Define EXTRA_DIST instead of this.
3043 * libdwfl.map: File removed.
3045 * libdwfl.h: Use "" for libdw.h #include.
3047 2005-07-27 Roland McGrath <roland@redhat.com>
3049 * libdwfl.map: Add dwfl_getmodules.
3051 2005-07-23 Ulrich Drepper <drepper@redhat.com>
3053 * Makefile.am: Fix rules to allow building with mudflap.
3055 2005-07-21 Roland McGrath <roland@redhat.com>
3057 * Makefile.am (noinst_HEADERS): Add loc2c.c.
3059 * test2.c (main): Check sscanf result to quiet warning.
3061 2005-07-20 Roland McGrath <roland@redhat.com>
3063 * libdwfl-branch merged, creating this direcotry.