1 2019-02-24 Mark Wielaard <mark@klomp.org>
3 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before
5 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm.
7 2019-01-25 Yonghong Song <yhs@fb.com>
9 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to
10 read the inode number.
12 2019-01-20 Mark Wielaard <mark@klomp.org>
14 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
15 dyn_filesz vs dyn_data_size after read_portion call.
17 2019-01-16 Mark Wielaard <mark@klomp.org>
19 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note.
20 (core_set_initial_registers): Likewise.
22 2018-10-23 Mark Wielaard <mark@klomp.org>
24 * relocate.c (relocate_section): Only sanity check mmapped Elf files
25 for overlap. Don't error when section data was malloced, not mmapped.
27 2018-10-20 Mark Wielaard <mark@klomp.org>
29 * libdwflP.h (__libdw_open_elf): New internal function declaration.
30 * open.c (what_kind): Rename close_fd to may_close_fd.
31 (__libdw_open_file): Replaced (and renamed) by a call to ...
32 (libdw_open_elf): this. And add never_close_fd argument.
33 (__libdw_open_elf): New function that calls libdw_open_elf.
35 2018-10-18 Mark Wielaard <mark@klomp.org>
37 * dwfl_segment_report_module.c (consider_note): Take align as new
38 argument. Use align to set d_type and calculate padding.
39 (dwfl_segment_report_module): Pass align to consider_notes.
40 * core-file.c (dwfl_core_file_report): Check p_align to set ELF
42 * linux-kernel-modules.c (check_notes): Check name and type of note
45 2018-10-19 Mark Wielaard <mark@klomp.org>
47 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero.
49 2018-10-14 Mark Wielaard <mark@klomp.org>
51 * dwfl_segment_report_module.c (read_portion): Check requested
52 filesz isn't larger than buffer_available.
53 (dwfl_segment_report_module): Check data_size vs filesz after
56 2018-10-02 Andreas Schwab <schwab@suse.de>
58 * relocate.c (relocate): Handle ADD/SUB relocations.
60 2018-09-13 Mark Wielaard <mark@klomp.org>
62 * dwfl_segment_report_module.c (dwfl_segment_report_module):
63 Document why we use e_shnum directly.
64 * elf-from-memory.c (elf_from_remote_memory): Likewise.
66 2018-07-17 Ulf Hermann <ulf.hermann@qt.io>
68 * linux-pid-attach.c: Include sys/uio.h only on linux.
70 2018-06-04 Mark Wielaard <mark@klomp.org>
72 * libdwflP.h (__libdwfl_addrsym): Remove function declaration.
73 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function.
75 2018-05-27 Mark Wielaard <mark@klomp.org>
77 * relocate.c (__libdwfl_relocate): Always call relocate_section with
80 2018-05-17 Mark Wielaard <mark@klomp.org>
82 * dwfl_module (__libdwfl_module_free): Free elfdir.
83 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after
84 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the
85 main module file and we recorded the elfdir.
86 * libdwflP.h (struct Dwfl_Module): Add elfdir field.
87 * offline.c (process_elf): Record the elfdir before we close the
88 main ELF file descriptor.
90 2018-04-10 Mark Wielaard <mark@klomp.org>
92 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for
93 the return address either set an error or mark the pc undefined.
95 2018-03-17 Mark Wielaard <mark@klomp.org>
97 * libdwflP.h (struct __libdwfl_remote_mem_cache): New.
98 (struct __libdwfl_pid_arg): Add mem_cache field.
99 * linux-pid-attach.c (read_cached_memory): New function.
100 (clear_cached_memory): Likewise.
101 (pid_memory_read): Call read_cached_memory.
102 (pid_detach): Free mem_cache.
103 (pid_thread_detach): Call clear_cached_memory.
104 (dwfl_linux_proc_attach): Initialize mem_cache to NULL.
106 2018-03-05 Mark Wielaard <mark@klomp.org>
108 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use
109 realpath (name, NULL) instead of canonicalize_file_name (name).
110 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise.
112 2018-01-29 Mark Wielaard <mark@klomp.org>
114 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of
115 DIE_OFFSET_FROM_CU_OFFSET.
116 (intern_cu): Simply use a copy of the given die CU as key instead of
117 trying to construct a dummy one by hand.
119 2018-02-15 Mark Wielaard <mark@klomp.org>
121 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h.
123 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
125 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
126 macro instead of comment.
127 * frame_unwind.c (expr_eval): Likewise.
129 2017-11-20 Mark Wielaard <mark@klomp.org>
131 * link_map.c (do_check64): Take a char * and calculate type and val
132 offsets before reading, possibly unaligned, values.
133 (do_check32): Likewise.
134 (check64): Remove define.
136 (auxv_format_probe): Call do_check32 and do_check64 directly with
137 a, possibly unaligned, auxv entry pointer.
138 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
139 possibly unaligned auxv entry pointer.
141 2017-10-16 Mark Wielaard <mark@klomp.org>
143 * argp-std.c (parse_opt): For -k call argp_failure not failure to
146 2017-07-26 Yunlian Jiang <yunlian@google.com>
148 * argp-std.c (failure): Move to file scope.
151 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
152 Mark Wielaard <mark@klomp.org>
154 * derelocate.c (compare_secrefs): Compare by end address and then by
155 section number if addresses are equal.
157 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
158 Mark Wielaard <mark@klomp.org>
160 * linux-kernel-modules.c: Always return NULL from kernel_release() on
161 non-linux systems and set errno to ENOTSUP.
163 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
165 * libdwflP.h: Don't include config.h.
166 * argp-std.c: Include config.h.
168 * derelocate.c: Likewise.
169 * dwfl_addrdie.c: Likewise.
170 * dwfl_addrdwarf.c: Likewise.
171 * dwfl_addrmodule.c: Likewise.
172 * dwfl_begin.c: Likewise.
173 * dwfl_build_id_find_debuginfo.c: Likewise.
174 * dwfl_build_id_find_elf.c: Likewise.
175 * dwfl_cumodule.c: Likewise.
176 * dwfl_dwarf_line.c: Likewise.
177 * dwfl_end.c: Likewise.
178 * dwfl_frame.c: Likewise.
179 * dwfl_frame_regs.c: Likewise.
180 * dwfl_getdwarf.c: Likewise.
181 * dwfl_getmodules.c: Likewise.
182 * dwfl_getsrc.c: Likewise.
183 * dwfl_getsrclines.c: Likewise.
184 * dwfl_line_comp_dir.c: Likewise.
185 * dwfl_linecu.c: Likewise.
186 * dwfl_lineinfo.c: Likewise.
187 * dwfl_linemodule.c: Likewise.
188 * dwfl_module.c: Likewise.
189 * dwfl_module_addrdie.c: Likewise.
190 * dwfl_module_addrname.c: Likewise.
191 * dwfl_module_addrsym.c: Likewise.
192 * dwfl_module_build_id.c: Likewise.
193 * dwfl_module_dwarf_cfi.c: Likewise.
194 * dwfl_module_eh_cfi.c: Likewise.
195 * dwfl_module_getdarf.c: Likewise.
196 * dwfl_module_getelf.c: Likewise.
197 * dwfl_module_getsrc.c: Likewise.
198 * dwfl_module_getsrc_file.c: Likewise.
199 * dwfl_module_getsym.c: Likewise.
200 * dwfl_module_info.c: Likewise.
201 * dwfl_module_nextcu.c: Likewise.
202 * dwfl_module_register_names.c: Likewise.
203 * dwfl_module_report_build_id.c: Likewise.
204 * dwfl_module_return_value_location.c: Likewise.
205 * dwfl_nextcu.c: Likewise.
206 * dwfl_onesrcline.c: Likewise.
207 * dwfl_report_elf.c: Likewise.
208 * dwfl_validate_address.c: Likewise.
209 * dwfl_version.c: Likewise.
210 * find-debuginfo.c: Likewise.
212 * image-header.c: Likewise.
214 * linux-core-attach.c: Likewise.
215 * linux-pid-attach.c: Likewise.
216 * offline.c: Likewise.
218 * relocate.c: Likewise.
219 * segment.c: Likewise.
221 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
223 * libdwfl.h: Use __const_attribute__.
225 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
227 * elf-from-memory.c: Explicitly cast phnum to size_t.
229 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
231 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
234 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
236 * dwfl_frame.c: Drop unused sys/ptrace.h include.
237 * frame_unwind.c: Likewise.
238 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
241 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
243 * linux-kernel-modules.c: Include sys/types.h before fts.h
245 2017-03-24 Mark Wielaard <mark@klomp.org>
247 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
248 the note name data is the empty string.
249 (dwfl_core_file_attach): Likewise.
251 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
253 * linux-kernel-modules.c: Include system.h.
255 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
257 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
258 * linux-proc-maps.c: Likewise.
260 2016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
262 * dwfl_build_id_find_elf.c: Include system.h.
263 * dwfl_module_getdwarf.c: Likewise.
264 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
266 2016-11-23 Mark Wielaard <mjw@redhat.com>
268 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
271 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
273 * core-file.c: Remove sys/param.h.
274 * dwfl_segment_report_module.c: Likewise. Add system.h include.
275 (MAX): Remove definition.
276 * frame_unwind.c: Add system.h include.
277 (MAX): Remove definition.
278 * linux-core-attach.c (MIN): Remove definition.
279 * linux-pid-attach.c (MAX): Likewise.
281 2016-08-12 Mark Wielaard <mjw@redhat.com>
283 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
285 2016-04-14 Mark Wielaard <mjw@redhat.com>
287 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
288 on invalid DWARF if we allocated it.
290 2016-04-14 Mark Wielaard <mjw@redhat.com>
292 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
295 2016-03-01 Steven Chamberlain <steven@pyro.eu.org>
297 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
298 pid_thread_detach, pid_detach, pid_set_initial_registers,
299 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
302 2016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
303 Mark Wielaard <mjw@redhat.com>
305 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
306 debuglink_file is NULL. Try file basename (without .debug) ofr
307 absolute and relative path if debug_file was NULL.
308 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
309 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
312 2016-02-13 Mark Wielaard <mjw@redhat.com>
314 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
316 2016-02-13 Mark Wielaard <mjw@redhat.com>
318 * frame_unwind.c (new_unwound): Check and return unwound.
319 (handle_cfi): Check new_unwound was able to allocate new memory
320 before use. Return DWFL_E_NOMEM otherwise.
322 2016-02-11 Mark Wielaard <mjw@redhat.com>
324 * relocate.c (relocate_section): Check result of all gelf_get* calls.
325 (__libdwfl_relocate): Likewise.
326 (__libdwfl_relocate_section): Likewise.
328 2016-02-11 Mark Wielaard <mjw@redhat.com>
330 * relocate.c (relocate_section): Check result of gelf_update_* calls.
332 2016-01-08 Mark Wielaard <mjw@redhat.com>
334 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
335 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
337 (try_kernel_name): Likewise.
338 (check_suffix): Likewise.
339 * open.c (decompress): Likewise.
341 2015-12-18 Mark Wielaard <mjw@redhat.com>
343 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
344 sections and aux_str, aux_xndx and aux_sym sections if necessary.
345 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
347 (resolve_symbol): Uncompress strtab section if necessary.
348 (relocate_section): Uncompress the section the relocations apply to
351 2015-11-18 Chih-Hung Hsieh <chh@google.com>
353 * linux-proc-maps.c (proc_maps_report): Move nested function
354 'report' to file scope.
356 2015-11-18 Chih-Hung Hsieh <chh@google.com>
358 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
360 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
361 'update_end' and 'more' to file scope.
363 2015-11-17 Chih-Hung Hsieh <chh@google.com>
365 * link_map.c (auxv_format_probe): Move nested functions
366 check64 and check32 to file scope.
368 2015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
370 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
371 the value of the return address register as defined by the CFI
373 * frame_unwind.c (handle_cfi): Likewise.
375 2015-12-01 Mark Wielaard <mjw@redhat.com>
377 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
378 from exec or memory_callback, free as appropriate.
380 2015-12-01 Mark Wielaard <mjw@redhat.com>
382 * libdwflP.h (struct Dwfl_User_Core): New.
383 (struct DWfl): Replace executable_for_core with user_core.
384 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
385 * core-file.c (dwfl_core_file_report): Check and store
386 executable_for_core in Dwfl user_core.
387 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
388 executable_for_core in Dwfl user_core.
389 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
390 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
392 (dwfl_link_map_report): Likewise.
394 2015-11-16 Chih-Hung Hsieh <chh@google.com>
396 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
397 function 'consider_shdr' to file scope.
398 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
399 'translate_offs' to file scope.
401 2015-11-16 Chih-Hung Hsieh <chh@google.com>
403 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
404 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
407 2015-11-19 Mark Wielaard <mjw@redhat.com>
409 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
410 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
413 2015-11-13 Chih-Hung Hsieh <chh@google.com>
415 * gzip.c (unzip): Move nested functions to file scope.
417 2015-10-21 Chih-Hung Hsieh <chh@google.com>
418 Mark Wielaard <mjw@redhat.com>
420 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
421 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
422 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
425 2015-10-21 Chih-Hung Hsieh <chh@google.com>
427 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
428 to file scope. Pass used local variables in struct eval_stack.
430 2015-10-21 Chih-Hung Hsieh <chh@google.com>
432 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
435 2015-10-09 Josh Stone <jistone@redhat.com>
437 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
438 * open.c (decompress): Replace off64_t with off_t.
439 * gzip.c (unzip): Likewise.
440 * image-header.c (__libdw_image_header): Likewise.
441 * libdwflP.h: Likewise in function declarations.
442 * argp-std.c (parse_opt): Replace open64 with open.
443 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
444 dwfl_build_id_find_elf): Likewise.
445 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
446 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
447 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
448 * link_map.c (report_r_debug): Likewise.
449 * offline.c (dwfl_report_offline): Likewise.
450 * linux-proc-maps.c (grovel_auxv, get_pid_class,
451 dwfl_linux_proc_find_elf): Likewise.
452 (read_proc_memory): Replace off64_t with off_t.
453 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
454 fstat64 with stat and fstat.
455 (try_open): Likewise, and replace open64 with open.
456 * linux-kernel-modules.c: Manually define open and fopen to open64 and
457 fopen64 when needed, since the early fts.h include breaks that.
458 (try_kernel_name): Replace open64 with open.
459 (check_notes): Likewise.
461 2015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
463 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
464 pread, as the later doesn't accept negative offsets.
466 2015-10-07 Mark Wielaard <mjw@redhat.com>
468 * dwfl_module_getdwarf.c (MAX): Removed.
469 (find_prelink_address_sync): Allocate exact amount of bytes for
471 * dwfl_segment_report_module.c (dwfl_segment_report_module):
473 * elf-from-memory.c (MAX): Removed.
474 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
476 2015-10-05 Chih-Hung Hsieh <chh@google.com>
478 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
479 union of variable length arrays.
480 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
481 * elf-from-memory.c (elf_from_remote_memory): Likewise.
482 * link_map.c (auxv_format_probe): Likewise.
483 * link_map.c (report_r_debug): Likewise.
484 * link_map.c (dwfl_link_map_report): Likewise.
486 2015-09-18 Chih-Hung Hsieh <chh@google.com>
488 * relocate.c (relocate_section): Move nested function "relocate"
489 to file scope, pass all used local variables as constants.
490 Move nested "check_badreltype" to file scope, pass addresses of
491 updated used local variables.
492 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
493 "read_address" to file scope, pass all updated local variables in
495 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
496 function "subst_name" to file scope, pass all used local variables
498 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
499 simple nested function "report" with a macro. Work around gcc static
500 analysis error -Werror=maybe-uninitialized.
502 2015-09-22 Mark Wielaard <mjw@redhat.com>
504 * core-file.c: Remove old-style function definitions.
505 * dwfl_error.c: Likewise.
506 * dwfl_module_dwarf_cfi.c: Likewise.
507 * dwfl_module_eh_cfi.c: Likewise.
508 * dwfl_module_register_names.c: Likewise.
509 * dwfl_module_return_value_location.c: Likewise.
510 * dwfl_version.c: Likewise.
512 2015-09-09 Chih-Hung Hsieh <chh@google.com>
513 Mark Wielaard <mjw@redhat.com>
515 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
516 on parameters declared with __nonnull_attribute__.
517 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
520 2015-09-08 Mark Wielaard <mjw@redhat.com>
522 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
523 * linux-pid-attach.c (pid_detach): Call elf_end and close.
524 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
526 2015-09-04 Chih-Hung Hsieh <chh@google.com
528 * frame_unwind.c (expr_eval): Use llabs instead of abs.
530 2015-08-14 Dodji Seketeli <dodji@seketeli.org>
532 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
533 debug info file named debuglink_file under
534 mod->dwfl->callbacks->debuginfo_path, by looking at
535 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
536 which is common to the set of non-absolute parent trees of
539 2015-06-18 Mark Wielaard <mjw@redhat.com>
541 * find-debuginfo.c (try_open): Free fname on all failure paths.
543 2015-06-18 Mark Wielaard <mjw@redhat.com>
545 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
546 sh_entsize is not zero.
548 2015-06-06 Mark Wielaard <mjw@redhat.com>
550 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
551 localname and file_dirname.
553 2015-06-06 Mark Wielaard <mjw@redhat.com>
555 * derelocate.c (cache_sections): Free sortrefs.
557 2015-06-05 Mark Wielaard <mjw@redhat.com>
559 * dwfl_segment_report_module.c (dwfl_segment_report_module):
560 If the note_file exists, but the build_id doesn't match discard
561 the file and continue reporting.
563 2015-06-01 Mark Wielaard <mjw@redhat.com>
565 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
566 pointer before passing to strsep.
568 2015-05-30 Mark Wielaard <mjw@redhat.com>
570 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
572 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
575 2015-05-30 Mark Wielaard <mjw@redhat.com>
577 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
578 not NULL before calling canonicalize_file_name.
580 2015-05-24 Mark Wielaard <mjw@redhat.com>
582 * derelocate.c (check_module): Check mod is not NULL.
584 2015-05-22 Mark Wielaard <mjw@redhat.com>
586 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
587 malloc instead of stack allocating. Call free when done with data.
589 2015-05-22 Mark Wielaard <mjw@redhat.com>
591 * dwfl_segment_report_module.c (dwfl_segment_report_module):
592 Allocate phdrs with malloc, not on stack. free in finish.
593 Allocate dyn with malloc, not on stack, free after use.
595 2015-05-22 Mark Wielaard <mjw@redhat.com>
597 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
598 instead of alloca or strdupa, local strings of unknown size.
599 Call free before return.
601 2015-05-22 Mark Wielaard <mjw@redhat.com>
603 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
604 error when id_len too small or too large. strdup, not strdupa,
605 and free path when done.
607 2015-05-19 Mark Wielaard <mjw@redhat.com>
609 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
610 phdrs on the stack. Allocate with malloc and free when done.
612 2015-05-19 Mark Wielaard <mjw@redhat.com>
614 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
617 2015-05-19 Mark Wielaard <mjw@redhat.com>
619 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
620 stack allocate name. Only change chars up to suffix.
622 2015-05-18 Mark Wielaard <mjw@redhat.com>
624 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
625 phdrs and shdrs unions with malloc, not alloca. Free after use.
627 2015-05-18 Mark Wielaard <mjw@redhat.com>
629 * derelocate.c (cache_sections): Allocate temporary newrefs and
630 sortrefs with malloc, not alloca. Always free them on return.
632 2015-05-07 Mark Wielaard <mjw@redhat.com>
634 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
635 Dwarf_Die before interning. Explicitly check EOF is expected.
637 2015-05-05 Mark Wielaard <mjw@redhat.com>
639 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
641 2015-05-06 Roland McGrath <roland@hack.frob.com>
643 * dwfl_error.c (struct msgtable): Break type definition out of
644 the 'msgtable' initializer.
645 (msgtable): Make it a union of struct msgtable and a char array.
646 (msgstr): Use the full-table char array rather than the msg_0 entry.
648 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
650 * core-file.c (_compat_without_executable_dwfl_core_file_report):
651 Guard with SYMBOL_VERSIONING.
652 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
654 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
657 2015-04-02 Mark Wielaard <mjw@redhat.com>
659 * segment.c (insert): Check correct number of lookup_elts.
661 2015-03-31 Mark Wielaard <mjw@redhat.com>
663 * core-file.c (core_file_read_eagerly): Special case small images.
665 2015-01-26 Mark Wielaard <mjw@redhat.com>
667 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
668 syments and first_global on elferr before calling find_dynsym.
670 2014-12-27 Mark Wielaard <mjw@redhat.com>
672 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
673 has end_sequence set.
675 2015-01-04 Mark Wielaard <mjw@redhat.com>
677 * cu.c (intern_cu): Store result and return directly when finding
679 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
681 2014-12-19 Mark Wielaard <mjw@redhat.com>
683 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
685 2014-12-19 Mark Wielaard <mjw@redhat.com>
687 * elf-from-memory.c (handle_segment): Remove palign sanity check.
689 2014-12-18 Mark Wielaard <mjw@redhat.com>
691 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
693 2014-12-13 Mark Wielaard <mjw@redhat.com>
695 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
696 a size_t, make sure it doesn't overflow.
698 2014-12-13 Mark Wielaard <mjw@redhat.com>
700 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
701 wrap around before returning as int.
703 2014-12-11 Josh Stone <jistone@redhat.com>
705 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
706 record <= addr, rather than returning immediately on matches.
708 2014-12-09 Mark Wielaard <mjw@redhat.com>
710 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
713 2014-12-07 Mark Wielaard <mjw@redhat.com>
715 * relocate.c (relocate_section): Sanity check section overlap against
716 actually used ehsize, shentsize and phentsize.
718 2014-12-07 Mark Wielaard <mjw@redhat.com>
720 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
721 * relocate.c (__libdwfl_relocate_value): Don't relocate against
724 2014-11-29 Mark Wielaard <mjw@redhat.com>
726 * relocate.c (relocate_section): Check relocation section and target
727 section data don't overlap any of the ELF headers.
728 (relocate): Check for offset + size overflow.
730 2014-11-22 Mark Wielaard <mjw@redhat.com>
732 * link_map.c (consider_executable): Use elf_getphdrnum.
733 (dwfl_link_map_report): Likewise.
735 2014-11-18 Mark Wielaard <mjw@redhat.com>
737 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
738 number of symbols and first_global before use.
740 2014-11-14 Mark Wielaard <mjw@redhat.com>
742 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
745 2014-11-10 Mark Wielaard <mjw@redhat.com>
747 * dwfl_module_getdwarf.c (find_dynsym): New inner function
748 translate_offs that takes an adjust argument. Try finding
749 the symbol table with and without adjusting to main_bias.
751 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
753 Support NT_FILE for locating files.
754 * core-file.c (dwfl_core_file_report): New variables note_file and
755 note_file_size, set them and pass them to dwfl_segment_report_module.
756 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
757 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
758 (invalid_elf): New function from code of dwfl_segment_report_module.
759 (dwfl_segment_report_module): Add parameters note_file and
760 note_file_size. New variables elf and fd, clean them up in finish.
761 Move some code to invalid_elf. Call handle_file_note, if it found
762 a name verify the file by invalid_elf. Protect elf and fd against
763 cleanup by finish if we found the file for new Dwfl_Module.
764 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
767 2014-09-23 Mark Wielaard <mjw@redhat.com>
769 * dwfl_segment_report_module.c (dwfl_segment_report_module):
770 Extract ei_class, ei_data and e_type early and use the result.
772 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
774 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
775 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
777 * libdwflP.h (struct Dwfl_Module): New field is_executable.
779 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
781 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
783 (find_dynsym): Pass the new parameter main_bias.
785 2014-08-14 Mark Wielaard <mjw@redhat.com>
787 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
789 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
791 Fix report_r_debug for prelinked libraries.
792 * link_map.c (report_r_debug): Comment out variable l_addr.
793 Use instead new variable base recalculated from l_ld.
795 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
797 * linux-pid-attach.c: Make it build on non linux hosts.
799 2014-06-17 Mark Wielaard <mjw@redhat.com>
801 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
802 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
804 2014-06-15 Mark Wielaard <mjw@redhat.com>
806 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
807 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
808 to read possibly unaligned data.
809 (core_next_thread): Likewise.
810 (core_set_initial_registers): Likewise.
811 (dwfl_core_file_attach): Likewise.
813 2014-06-11 Mark Wielaard <mjw@redhat.com>
815 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
816 (dwfl_attach_state): Set dwfl->attacherr.
817 (dwfl_pid): Check and return dwfl->attacherr if set.
818 (dwfl_getthreads): Likewise.
819 (getthread): Likewise.
820 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
821 (struct Dwfl): Add attacherr field.
822 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
823 Don't assert if ELF file is not ET_CORE, just return error.
824 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
826 2014-06-10 Mark Wielaard <mjw@redhat.com>
828 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
829 or dwfl_linux_proc_attach.
831 2014-05-15 Mark Wielaard <mjw@redhat.com>
833 * linux-proc-maps.c (grovel_auxv): Close fd on error.
835 2014-05-02 Mark Wielaard <mjw@redhat.com>
837 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
840 2014-05-01 Mark Wielaard <mjw@redhat.com>
842 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
843 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
844 (__libdwfl_open_by_build_id): New declaration that takes an explicit
846 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
847 we already have the Dwarf then look for the alt dwz multi file by
849 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
850 build-id we are looking for as argument.
851 (__libdwfl_open_mod_by_build_id): New function, calls
852 __libdwfl_open_by_build_id.
853 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
854 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
855 close alt_fd if necessary.
856 * dwfl_module_getdwarf.c (__check_build_id): Removed.
857 (try_debugaltlink): Removed.
858 (open_debugaltlink): Removed.
859 (open_elf_file): First half of open_elf that just opens the elf
860 file but doesn't setup the load address.
861 (open_elf): Call open_elf_file.
862 (find_debug_altlink): New function.
863 (load_dw): Remove loading of dwz multifile.
864 (find_dw): Call find_debug_altlink.
865 * find-debuginfo.c (validate): Handle alt debug case using
866 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
867 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
869 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
870 to store name to find by dwfl_standard_find_debuginfo instead of
871 allocating an extra variable on stack.
873 2014-04-30 Mark Wielaard <mjw@redhat.com>
875 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
876 dwelf_elf_gnu_build_id.c.
877 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
878 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
879 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
880 * dwfl_module_getdwarf.c (__check_build_id): Implement using
881 dwelf_elf_gnu_build_id.
883 2014-04-15 Florian Weimer <fweimer@redhat.com>
885 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
886 (try_debugaltlink): Likewise.
887 (open_debugaltlink): Likewise.
888 (load_dw): Locate alternate debug information using
889 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
891 2014-04-11 Mark Wielaard <mjw@redhat.com>
893 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
894 * libdwflP.h: Include libdwelfP.h.
895 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
896 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
898 2014-04-22 Mark Wielaard <mjw@redhat.com>
900 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
902 (__libdwfl_frame_reg_set): Likewise.
904 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
906 * linux-pid-attach.c: Make linux only.
908 2014-03-14 Mark Wielaard <mjw@redhat.com>
910 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
911 Remove libelf and libdw definitions when MUDFLAP is defined.
912 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
914 2014-03-03 Mark Wielaard <mjw@redhat.com>
916 * elf-from-memory.c (elf_from_remote_memory): Keep track of
917 segments_end_mem. Pass memsz to first handle_segment pass. Only
918 extend contents_size and use shdrs if only file bits are in
921 2014-03-11 Josh Stone <jistone@redhat.com>
923 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
924 mod->e_type when processing the main ELF file.
926 2014-03-04 Mark Wielaard <mjw@redhat.com>
928 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
929 linux-pid-attach.c (struct pid_arg).
930 (__libdwfl_get_pid_arg): New internal function declaration.
931 (__libdwfl_ptrace_attach): Likewise.
932 (__libdwfl_ptrace_detach): Likewise.
933 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
934 special exception modules that cannot be checked at this point.
935 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
936 (ptrace_attach): Renamed to...
937 (__libdwfl_ptrace_attach): New internal function.
938 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
939 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
940 (__libdwfl_get_pid_arg): New internal function.
941 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
942 module name contains "(deleted)" and dwfl_pid gives an attached
943 pid. If pid is set and try to (re)use ptrace attach state of
944 process before reading memory.
946 2014-03-03 Mark Wielaard <mjw@redhat.com>
948 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
949 argument. Free buffer when detecting bad elf. Check PT_LOAD
950 alignment requirements on first handle_segment pass. Calculate
951 loadbase, start and end of segment using pagesize, not p_align.
952 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
953 to elf_from_remote_memory.
955 2014-02-26 Mark Wielaard <mjw@redhat.com>
957 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
959 2014-02-26 Mark Wielaard <mjw@redhat.com>
961 * elf-from-memory.c (elf_from_remote_memory): Check against p64
962 p_type in case ELFCLASS64, not against p32 p_type.
964 2014-01-17 Petr Machata <pmachata@redhat.com>
966 * relocate.c (relocate_section): Use gelf_fsize instead of relying
969 2014-01-05 Mark Wielaard <mjw@redhat.com>
971 * frame_unwind.c (handle_cfi): Only skip resetting return register
972 if the regno is not the actual CIE return address register.
974 2014-01-02 Mark Wielaard <mjw@redhat.com>
976 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
978 2013-12-30 Mark Wielaard <mjw@redhat.com>
980 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
981 dwfl_core_file_attach explicitly.
982 * core-file.c (dwfl_core_file_report): Don't call
983 __libdwfl_attach_state_for_core implicitly.
984 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
985 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
986 process_attach_error.
987 (dwfl_getthreads): Likewise.
988 (getthread): Likewise.
989 * libdwfl.h (dwfl_core_file_report): Update documentation.
990 (dwfl_linux_proc_report): Likewise.
991 (dwfl_core_file_attach): New function declaration.
992 (dwfl_linux_proc_attach): Likewise.
993 * libdwflP.h (struct Dwfl): Remove process_attach_error.
994 (__libdwfl_attach_state_for_pid): Removed declaration.
995 (__libdwfl_attach_state_for_core): Likewise.
996 (dwfl_core_file_attach): New internal declaration.
997 (dwfl_linux_proc_attach): Likewise.
998 (attach_state_for_core): Renamed to...
999 (dwfl_core_file_attach): ...this. Change return type.
1000 (__libdwfl_attach_state_for_core): Removed.
1001 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
1002 (pid_set_initial_registers): Check assume_ptrace_stopped before
1004 (pid_thread_detach): Likewise.
1005 (__libdwfl_attach_state_for_pid): Renamed to...
1006 (dwfl_linux_proc_attach): ...this. Adjust return type.
1007 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
1008 __libdwfl_attach_state_for_pid implicitly.
1010 2013-12-28 Mark Wielaard <mjw@redhat.com>
1012 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
1013 character device files, only regular files.
1015 2013-12-24 Mark Wielaard <mjw@redhat.com>
1017 * linux-core-attach.c (core_next_thread): Check whether thread_argp
1018 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
1019 in that case. Free thread_arg if there are no more threads.
1021 2013-12-23 Mark Wielaard <mjw@redhat.com>
1023 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
1024 build_id before returning early.
1026 2013-12-23 Mark Wielaard <mjw@redhat.com>
1028 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
1029 pid (thread group leader) to dwfl_attach_state.
1031 2013-12-21 Mark Wielaard <mjw@redhat.com>
1033 * frame_unwind.c (handle_cfi): Track whether the return register
1034 has been set and only allow it to be set once.
1036 2013-12-20 Mark Wielaard <mjw@redhat.com>
1038 * dwfl_frame.c (one_arg): New struct.
1039 (get_one_thread_cb): New function.
1040 (dwfl_getthread): Likewise.
1041 (one_thread): New struct.
1042 (get_one_thread_frames_cb): New function.
1043 (dwfl_getthread_frames): Likewise.
1044 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
1045 (dwfl_getthread_frames): Likewise.
1046 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
1047 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
1049 * linux-pid-attach.c (pid_getthread): New function.
1050 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
1052 2013-12-20 Mark Wielaard <mjw@redhat.com>
1054 * linux-kernel-modules.c (report_kernel_archive): Correct nested
1055 asprintf result check for debug.a.
1057 2013-12-18 Mark Wielaard <mjw@redhat.com>
1059 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
1060 * dwfl_module_addrname.c (dwfl_module_addrname): Use
1061 dwfl_module_addrinfo.
1062 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
1063 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
1064 for comparisons, not st_value. Fill in off. Search for both value
1065 and the (adjusted) sym.st_value when different.
1066 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
1067 (dwfl_module_addrinfo): New function.
1068 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
1069 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
1070 and possible. Adjust sym->st_value only when requested. Fill in addr
1072 (dwfl_module_getsym_info): New function.
1073 (dwfl_module_getsym): Use __libdwfl_getsym.
1074 * libdwfl.h (dwfl_module_getsym_elf): Removed.
1075 (dwfl_module_getsym_info): New function declaration.
1076 (dwfl_module_addrinfo): Likewise.
1077 (dwfl_module_addrsym): Add documentation describing differences
1078 with addrinfo variants.
1079 (dwfl_module_addrsym_elf): Removed.
1080 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
1081 (__libdwfl_addrsym): Likewise.
1082 (__libdwfl_find_section_ndx): Likewise.
1083 (dwfl_module_addrinfo): New internal declaration.
1084 (dwfl_module_getsym_info): Likewise.
1085 (dwfl_module_addrsym_elf): Removed.
1086 (dwfl_module_getsym_elf): Likewise.
1088 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1090 * argp-std.c (offline_find_elf): Remove.
1091 (offline_callbacks): Use dwfl_build_id_find_elf instead.
1092 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
1095 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1097 unwinder: s390 and s390x
1098 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
1099 * frame_unwind.c (new_unwound): New function from ...
1100 (handle_cfi): ... here. Call it.
1101 (setfunc, getfunc, readfunc): New functions.
1102 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
1103 * linux-core-attach.c (core_set_initial_registers): Always iterate
1104 through the Ebl_Register_Location loop. Call
1105 dwfl_thread_state_register_pc there.
1107 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1109 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
1111 2013-12-17 Mark Wielaard <mjw@redhat.com>
1113 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
1116 2013-12-16 Mark Wielaard <mjw@redhat.com>
1118 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
1120 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
1122 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1123 function definition.
1124 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1126 2013-12-14 Mark Wielaard <mjw@redhat.com>
1128 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1129 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1130 * frame_unwind.c (handle_cfi): Free frame result from
1131 dwarf_cfi_addrframe when done.
1133 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1135 unwinder: ppc and ppc64
1136 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1137 Call ebl_dwarf_to_regno.
1138 * linux-core-attach.c (core_set_initial_registers): Implement
1139 pc_register support.
1140 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1143 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1145 Introduce process_attach_error.
1146 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1147 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1149 * libdwflP.h (struct Dwfl): New field process_attach_error.
1150 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1151 (attach_state_for_core): ... here, make it static, change return type,
1152 no longer use __libdwfl_seterrno.
1153 (__libdwfl_attach_state_for_core): New wrapper for it.
1155 2013-11-27 Mark Wielaard <mjw@redhat.com>
1157 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1158 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1159 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1160 instead of tracking dwfl_files.
1161 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1162 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1163 new elfp and biasp arguments. Track elf instead of file.
1164 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1165 dwfl_module_info.c (dwfl_module_info): Pass elf to
1166 dwfl_adjusted_st_value.
1167 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1168 (dwfl_module_getsym_elf): New function declaration.
1169 (dwfl_module_addrsym_elf): Likewise.
1170 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1171 (dwfl_module_getsym_elf): Likewise.
1172 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1173 (dwfl_deadjust_st_value): Likewise.
1174 (__libdwfl_module_getsym): Removed.
1175 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1177 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1179 Fix non-build-id core files on build-id system.
1180 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1181 be read from memory.
1183 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1185 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1186 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1187 content, if possible.
1189 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1191 link_map: Use proper bias, not l_addr.
1192 * core-file.c (dynamic_vaddr_get): Rename to ...
1193 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1195 (dwfl_core_file_report): Update name in the caller.
1196 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1197 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1198 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1199 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1201 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1203 Compatibility with older kernels such as RHEL-6.
1204 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1205 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1206 (pid_set_initial_registers): Pass tid_was_stopped.
1207 (pid_thread_detach): Use tid_was_stopped.
1209 2013-11-18 Josh Stone <jistone@redhat.com>
1211 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1212 (find_aux_sym): Use it.
1214 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1216 Code cleanup: Remove const in prototype
1217 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1219 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1220 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1222 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1224 Fix dwfl_attach_state machine->elf.
1225 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1226 Call ebl_openbackend instead of ebl_openbackend_machine.
1227 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1228 Update the function description.
1229 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1231 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1234 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1236 Provide __libdwfl_module_getsym to get dwfl_file *.
1237 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1238 (dwfl_module_addrsym) (search_table): New variable file. Use
1239 __libdwfl_module_getsym. Use file.
1240 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1241 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1242 (dwfl_module_getsym): New wrapper.
1243 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1245 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1247 Fix dwfl_module_addrsym for minidebuginfo.
1248 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1250 (dwfl_module_addrsym) (same_section): Use it.
1251 (dwfl_module_addrsym) (i_to_symfile): New function.
1252 (dwfl_module_addrsym) (search_table): Use it.
1254 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1255 Mark Wielaard <mjw@redhat.com>
1257 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1258 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1260 * core-file.c (dwfl_core_file_report): Call
1261 __libdwfl_attach_state_for_core.
1262 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1263 * dwfl_frame.c: New file.
1264 * frame_unwind.c: New file.
1265 * dwfl_frame_pc.c: New file.
1266 * linux-pid-attach.c: New file.
1267 * linux-core-attach.c: New file.
1268 * dwfl_frame_regs.c: New file.
1269 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1270 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1271 (Dwfl_Thread_Callbacks): New definition.
1272 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1273 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1274 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1275 (dwfl_frame_pc): New declarations.
1276 * libdwflP.h (Dwfl_Process): New typedef.
1277 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1278 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1279 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1280 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1281 (struct Dwfl): New entry process.
1282 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1283 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1284 (__libdwfl_process_free, __libdwfl_frame_unwind)
1285 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1286 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1287 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1288 (dwfl_frame_thread, dwfl_thread_state_registers)
1289 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1290 (dwfl_frame_pc): New INTDECL entries.
1291 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1292 __libdwfl_attach_state_for_pid.
1293 * segment.c (segment_start): Rename to ...
1294 (__libdwfl_segment_start): ... here and make it internal_function.
1295 (segment_end): Rename to ...
1296 (__libdwfl_segment_end): ... here and make it internal_function.
1297 (reify_segments, dwfl_report_segment): Rename them at the callers.
1299 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1301 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1303 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1305 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1306 retval. Fix one forgotten LISTED increase.
1308 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1310 Fix core files for re-prelink-ed files.
1311 * core-file.c (dynamic_vaddr_get): New function.
1312 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1313 dynamic_vaddr_get instead of using L_ADDR.
1314 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1315 * link_map.c (report_r_debug): Do not initialize l_addr.
1317 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1320 * core-file.c (dwfl_core_file_report): Reindent block of code by
1323 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1325 * argp-std.c (parse_opt): Use executable parameter of
1326 dwfl_core_file_report.
1327 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1328 it to DWFL. Add NEW_VERSION for it.
1329 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1330 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1331 the function comment.
1333 2013-10-15 Mark Wielaard <mjw@redhat.com>
1335 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1337 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1339 2013-09-12 Mark Wielaard <mjw@redhat.com>
1341 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1343 2013-09-12 Mark Wielaard <mjw@redhat.com>
1345 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1348 2013-09-12 Mark Wielaard <mjw@redhat.com>
1350 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1351 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1353 2013-08-25 Mark Wielaard <mjw@redhat.com>
1355 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1358 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1360 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1361 conflicts all the modules, not just the first one. Compare L_LD if it
1362 is equal, not if it is in a module address range.
1364 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1366 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1368 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1370 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1371 (dwfl_core_file_report): Call __libdwfl_report_elf for
1372 R_DEBUG_INFO.MODULE.
1373 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1375 (__libdwfl_report_elf): ... this function. Call it.
1376 * dwfl_segment_report_module.c: Include unistd.h.
1377 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1378 Clear MODULE if it has no build-id and we have segment with build-id.
1379 Ignore this segment only if MODULE still contains valid ELF.
1380 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1381 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1382 and disk_file_has_build_id.
1383 (dwfl_link_map_report): Extend the comment.
1384 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1385 r_debug_info_module. Initialize also the new r_debug_info_module
1386 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1387 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1389 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1391 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1393 2013-07-02 Mark Wielaard <mjw@redhat.com>
1395 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1397 2013-06-05 Mark Wielaard <mjw@redhat.com>
1399 * link_map.c (report_r_debug): Always call release_buffer after
1400 memory_callback succeeded reading build_id.
1402 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1404 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1405 executable_for_core before calling dwfl_core_file_report.
1406 * core-file.c (clear_r_debug_info): New function.
1407 (dwfl_core_file_report): Move raw segments reporting lower. New
1408 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1409 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1410 * dwfl_module_build_id.c (check_notes): Move into
1411 __libdwfl_find_elf_build_id.
1412 (__libdwfl_find_build_id): Rename to ...
1413 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1414 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1415 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1416 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1417 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1418 adjust its data_elfaddr parameter.
1419 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1420 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1421 parameter r_debug_info. New variable name_is_final. Adjust addresses
1422 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1423 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1424 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1425 (struct r_debug_info_module, struct r_debug_info): New definitions.
1426 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1428 * link_map.c: Include fcntl.h.
1429 (report_r_debug): Add parameter r_debug_info, describe it in the
1430 function comment. Delete dwfl_addrmodule call and its dependent code.
1431 Verify build-id before calling dwfl_report_elf, also supply
1432 executable_for_core to it. Store r_debug_info->module info when
1434 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1435 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1438 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1440 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1441 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1442 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1443 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1445 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1447 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1448 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1449 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1450 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
1452 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
1454 2013-04-27 Mark Wielaard <mjw@redhat.com>
1456 * link_map.c: #include system.h.
1458 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1460 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
1461 them to lib/system.h.
1463 2013-04-24 Mark Wielaard <mjw@redhat.com>
1465 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1467 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1469 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
1471 2013-03-12 Mark Wielaard <mjw@redhat.com>
1473 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
1475 2013-02-22 Mark Wielaard <mjw@redhat.com>
1477 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
1478 as DWFL_E_BADELF when not used.
1480 2013-02-10 Mark Wielaard <mjw@redhat.com>
1482 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
1483 failure messages When handling ARGP_KEY_SUCCESS because arg will
1486 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1488 * linux-proc-maps.c: Include system.h.
1489 (PROCEXEFMT, get_pid_class): New.
1490 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
1493 2013-01-23 Mark Wielaard <mjw@redhat.com>
1495 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one
1496 from aux_syments by default.
1497 (find_symtab): Also succeed when only aux_symdata is found.
1498 When no symtab is found always try to load auxiliary table.
1499 (dwfl_module_getsymtab): Substract one from result when both
1500 tables have symbols.
1501 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
1502 zero entry when both tables have symbols.
1503 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract
1504 one from first_global when both tables have symbols.
1506 2013-01-16 Mark Wielaard <mjw@redhat.com>
1508 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
1509 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
1510 (dwfl_adjusted_aux_sym_addr): New function.
1511 (dwfl_deadjust_aux_sym_addr): Likewise.
1512 (dwfl_adjusted_st_value): Take and check symfile argument.
1513 (dwfl_deadjust_st_value): Likewise.
1514 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
1515 use dwfl_file as argument to set address_sync.
1516 (find_debuginfo): Call find_prelink_address_sync with debug file.
1517 (find_aux_sym): New function.
1518 (find_symtab): Use find_aux_sym if all we have is the dynsym table
1519 and fill in aux DwflModule fields.
1520 (dwfl_module_getsymtab): Return syments plus aux_syments.
1521 (load_symtab): Always set first_global.
1522 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
1523 when using same_section. Calculate first_global based on both
1524 mod->first_global and mod->aux_first_global.
1525 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
1526 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
1527 to retrieve symbol and name if necessary, making sure all locals
1528 from any table come before any globals.
1529 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
1531 * relocate.c (resolve_symbol): Likewise.
1533 2013-01-07 Roland McGrath <roland@hack.frob.com>
1535 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
1536 still assume the data is at least 32-bit aligned anyway.
1537 (dwfl_link_map_report): Handle unaligned auxv data.
1539 2012-12-11 Mark Wielaard <mjw@redhat.com>
1541 * linux-kernel-modules.c (report_kernel): Only free fname if
1542 find_kernel_elf succeeds and allocates it.
1543 (report_kernel_archive): Fix brackets around unlikely expression.
1545 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
1547 * argp-std.c: Update Copyright year.
1548 (offline_find_elf): New function.
1549 (offline_callbacks): Use it for find_elf.
1550 (struct parse_opt): New.
1551 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
1552 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
1553 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
1554 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
1555 final state->input initialization optional.
1556 * dwfl_end.c: Update Copyright year.
1557 (dwfl_end): Free executable_for_core.
1558 * libdwflP.h: Update Copyright year.
1559 (struct Dwfl): New field executable_for_core.
1561 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1563 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
1566 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1568 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
1570 (__libdwfl_getelf): ... here. Call it.
1572 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1574 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
1576 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1578 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1579 Initialize mod->MAIN_BIAS.
1581 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1583 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
1584 binding_value. Use it for both zero and non-zero size symbols
1587 2012-10-01 Mark Wielaard <mjw@redhat.com>
1589 * cu.c (cudie_offset): Don't use type_sig8, it might not be
1590 initialized and these are always real CUs, never TUs.
1592 2012-10-01 Mark Wielaard <mjw@redhat.com>
1594 * derelocate.c (find_section): Check next section exists before
1597 2012-08-01 Petr Machata <pmachata@redhat.com>
1599 * offline.c (process_archive_member): Ignore entry "/SYM64/".
1601 2012-03-28 Roland McGrath <roland@hack.frob.com>
1603 * dwfl_segment_report_module.c
1604 (dwfl_segment_report_module: read_portion): Don't use existing buffer
1605 when FILESZ is zero (string mode) and available portion doesn't hold
1606 a terminated string.
1608 2011-12-02 Roland McGrath <roland@hack.frob.com>
1610 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
1611 to use elf64_xlatetom and PHDRS.p64.
1612 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
1614 2011-11-31 Mark Wielaard <mjw@redhat.com>
1616 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
1617 global symbols. Then only when that doesn't provide a match search
1618 all local symbols too.
1619 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
1621 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
1622 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
1624 2011-11-31 Mark Wielaard <mjw@redhat.com>
1626 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
1627 sizeless_sym if needed and closer to desired addr.
1629 2011-10-20 Mark Wielaard <mjw@redhat.com>
1631 * derelocate.c (cache_sections): Intern mod->reloc_info check.
1632 (dwfl_module_relocations): Don't check mod->reloc_info.
1633 (dwfl_module_relocation_info): Likewise.
1634 (find_section): Likewise.
1636 2011-07-09 Roland McGrath <roland@hack.frob.com>
1638 * image-header.c (LE32): Macro removed (now in lib/system.h).
1640 2011-04-11 Mark Wielaard <mjw@redhat.com>
1642 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
1643 by check for zlib, bzlib or lzma defines to check it isn't empty.
1644 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
1646 2011-03-08 Roland McGrath <roland@redhat.com>
1648 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
1649 Reported by Kurt Roeckx <kurt@roeckx.be>.
1651 2011-02-11 Roland McGrath <roland@redhat.com>
1653 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
1654 suffixes if corresponding decompression support is enabled.
1656 2011-02-01 Roland McGrath <roland@redhat.com>
1658 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
1659 section-end address as the synchronization point, rather than sh_addr.
1661 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
1662 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
1664 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
1665 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
1667 2011-01-11 Roland McGrath <roland@redhat.com>
1669 * dwfl_module_getdwarf.c (open_elf): Remove section-based
1670 address_sync fixup from here.
1671 (find_prelink_address_sync): New function.
1672 (find_debuginfo): Call it.
1673 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
1675 2011-01-04 Roland McGrath <roland@redhat.com>
1677 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
1678 logic to consider section addresses, the better to survive all the
1679 possible prelink machinations.
1680 * libdwflP.h (struct dwfl_file): Comment change.
1682 2010-11-30 Roland McGrath <roland@redhat.com>
1684 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
1686 2010-11-12 Roland McGrath <roland@redhat.com>
1688 * libdwflP.h (struct Dwfl_Module): New member main_bias.
1689 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
1690 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
1692 * libdwflP.h (dwfl_deadjust_address): New function.
1693 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
1694 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
1695 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
1697 2010-11-11 Roland McGrath <roland@redhat.com>
1699 * libdwflP.h (struct dwfl_file): Remove bias member.
1700 Add vaddr and address_sync members instead.
1701 (dwfl_adjusted_address): Calculate using vaddr.
1702 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
1703 (dwfl_adjusted_st_value): Use one of those calls.
1704 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
1705 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1706 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
1707 * link_map.c (consider_executable): Adjust only MOD->low_addr for
1708 detected PIE bias change.
1710 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
1711 * dwfl_module_info.c: Use it.
1712 * cu.c (addrarange): Likewise.
1713 * dwfl_dwarf_line.c: Likewise.
1714 * dwfl_module_dwarf_cfi.c: Likewise.
1715 * dwfl_lineinfo.c: Likewise.
1716 * dwfl_nextcu.c: Likewise.
1717 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
1719 * libdwflP.h (dwfl_adjusted_st_value): New function.
1720 * relocate.c (resolve_symbol): Use it.
1721 * dwfl_module_getsym.c: Likewise.
1722 * dwfl_module_addrsym.c: Likewise.
1723 * dwfl_module_info.c: Likewise.
1725 * libdwflP.h (dwfl_adjusted_address): New function.
1726 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
1727 * relocate.c (__libdwfl_relocate_value): Likewise.
1728 * derelocate.c (cache_sections): Likewise.
1729 (dwfl_module_address_section): Likewise.
1730 * dwfl_module_getelf.c: Likewise.
1731 * dwfl_module_eh_cfi.c: Likewise.
1732 * link_map.c (consider_executable): Likewise.
1734 2010-08-24 Roland McGrath <roland@redhat.com>
1736 * dwfl_dwarf_line.c: New file.
1737 * Makefile.am (libdwfl_a_SOURCES): Add it.
1739 2010-08-18 Roland McGrath <roland@redhat.com>
1741 * link_map.c (report_r_debug): Use found name if we have no name,
1742 even if we already have an Elf handle.
1744 2010-06-30 Roland McGrath <roland@redhat.com>
1746 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
1747 confused by -1 return from dwfl_build_id_find_elf after it opened
1749 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
1750 dwfl_build_id_find_debuginfo.
1752 2010-06-16 Roland McGrath <roland@redhat.com>
1754 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
1756 2010-06-14 Roland McGrath <roland@redhat.com>
1758 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
1759 candidate file to that st_dev/st_ino and pretend it didn't exist
1761 (find_debuginfo_in_path): Update caller, pass main file's info.
1763 2010-05-20 Roland McGrath <roland@redhat.com>
1765 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
1766 (grovel_auxv): ... this. Take DWFL argument.
1767 (dwfl_linux_proc_report): Update caller.
1769 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
1770 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
1772 2010-05-19 Roland McGrath <roland@redhat.com>
1774 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
1776 2010-05-06 Roland McGrath <roland@redhat.com>
1778 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
1780 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
1781 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
1782 ID but we didn't find a file.
1783 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
1784 and refuse any fallback file-by-name if it lacks the matching ID.
1786 * dwfl_error.c (dwfl_errno): Add INTDEF.
1787 * libdwflP.h: Add INTDECL.
1789 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
1792 2010-05-04 Roland McGrath <roland@redhat.com>
1794 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
1795 ET_DYN that has a DT_DEBUG.
1797 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
1799 * segment.c (insert): Fix moving of values following insertion.
1800 (reify_segments): Fix up MOD->segment backpointer indices after
1801 later insertions in the main loop invalidate them.
1803 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
1804 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
1806 * core-file.c (dwfl_core_file_report): Return any nonzero count of
1807 modules reported, even if link_map grovelling failed and only sniffing
1810 2010-04-26 Roland McGrath <roland@redhat.com>
1812 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
1813 Works around probably-wrong ld -r behavior for case of a DWARF address
1814 constant that refers to a discarded SHF_ALLOC section.
1816 2010-04-14 Roland McGrath <roland@redhat.com>
1818 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
1819 an upper bound on sane possible number of elements.
1821 2010-03-11 Roland McGrath <roland@redhat.com>
1823 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
1824 the second half for 32-bit matches.
1826 2010-03-10 Roland McGrath <roland@redhat.com>
1828 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
1829 * argp-std.c (parse_opt): Update caller.
1830 * libdwfl.h: Declare dwfl_core_file_report.
1831 * libdwflP.h: Don't.
1833 2010-02-17 Roland McGrath <roland@redhat.com>
1835 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
1836 If set, find the first index not below ADDR.
1837 (dwfl_segment_report_module): Update callers.
1838 Pass true when calculating return value.
1840 2010-02-15 Roland McGrath <roland@redhat.com>
1842 * Makefile.am: Use config/eu.am for common stuff.
1844 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
1845 variable in failure path.
1847 2010-02-02 Mark Wielaard <mjw@redhat.com>
1849 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
1850 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
1852 2010-01-07 Roland McGrath <roland@redhat.com>
1854 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
1855 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1856 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
1857 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1859 2010-01-06 Roland McGrath <roland@redhat.com>
1861 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
1862 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
1864 2009-11-16 Roland McGrath <roland@redhat.com>
1866 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
1868 2009-11-12 Petr Machata <pmachata@redhat.com>
1870 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
1871 the chunk is both offset-contiguous and vaddr-contiguous.
1873 2009-11-05 Roland McGrath <roland@redhat.com>
1875 * link_map.c (report_r_debug): Skip entries with l_ld==0.
1876 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
1878 2009-09-04 Roland McGrath <roland@redhat.com>
1880 * image-header.c (__libdw_image_header): Fix tranposed comparison.
1882 2009-08-27 Roland McGrath <roland@redhat.com>
1884 * image-header.c: New file.
1885 * Makefile.am (libdwfl_a_SOURCES): Add it.
1886 * libdwflP.h: Declare __libdw_image_header.
1887 * open.c (decompress): Don't consume ELF on failure.
1888 (what_kind): New function, broken out of ...
1889 (__libdw_open_file): ... here. Call it.
1890 If it fails, try __libdw_image_header and then try what_kind again.
1892 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
1893 leave it behind for next decompressor.
1894 * open.c (decompress): Free BUFFER on failure.
1896 2009-08-26 Roland McGrath <roland@redhat.com>
1898 * gzip.c (find_zImage_payload): New function, broken out of ...
1899 (mapped_zImage): ... here. Call it.
1900 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
1901 stupid method of just trying the decoder.
1903 * open.c [USE_LZMA]: Try __libdw_unlzma.
1904 * libdwflP.h: Declare it.
1905 (DWFL_ERRORS): Add DWFL_E_LZMA.
1906 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
1908 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
1910 * gzip.c (mapped_zImage): Limit scan to 32kb.
1911 Make this unconditional, support bzip2 kernel images too.
1912 (unzip): Use direct inflate method for non-mmap case too.
1913 Only zlib uses the stream method.
1915 2009-08-09 Roland McGrath <roland@redhat.com>
1917 * dwfl_module_build_id.c: Use new macros for versioned definitions.
1919 2009-07-08 Roland McGrath <roland@redhat.com>
1921 * dwfl_module_dwarf_cfi.c: New file.
1922 * dwfl_module_eh_cfi.c: New file.
1923 * Makefile.am (libdwfl_a_SOURCES): Add them.
1924 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
1925 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
1927 2009-07-08 Roland McGrath <roland@redhat.com>
1929 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
1931 2009-06-18 Mark Wielaard <mjw@redhat.com>
1933 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
1935 2009-06-13 Ulrich Drepper <drepper@redhat.com>
1937 * derelocate.c: Don't use deprecated libelf functions.
1938 * dwfl_module_getdwarf.c: Likewise.
1939 * relocate.c: Likewise.
1941 2009-04-23 Ulrich Drepper <drepper@redhat.com>
1943 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
1944 defined. Otherwise just define the latest version.
1946 2009-04-22 Roland McGrath <roland@redhat.com>
1948 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
1949 a non-ET_REL module.
1951 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
1952 adjust properly for non-ET_REL.
1954 2009-04-21 Roland McGrath <roland@redhat.com>
1956 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
1958 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
1959 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
1961 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1963 2009-04-20 Roland McGrath <roland@redhat.com>
1965 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
1967 2009-04-19 Roland McGrath <roland@redhat.com>
1969 * dwfl_module_getdwarf.c (find_file): Renamed to ...
1970 (__libdwfl_getelf): ... this. Make it global.
1971 (find_symtab, find_dw): Update callers.
1972 (dwfl_module_getelf): Functions moved ...
1973 * dwfl_module_getelf.c: ... here, new file.
1974 * Makefile.am (libdwfl_a_SOURCES): Add it.
1975 * libdwflP.h: Declare __libdwfl_getelf.
1977 2009-04-14 Roland McGrath <roland@redhat.com>
1979 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
1980 absolute (already adjusted in place) or needing load bias adjustment.
1982 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
1983 gelf_getphdr failure. Fix file size limit checks.
1985 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
1987 2009-04-08 Roland McGrath <roland@redhat.com>
1989 * dwfl_module_getsym.c: Don't adjust for bias again after
1990 __libdwfl_relocate_value.
1992 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
1993 a non-SHF_ALLOC section.
1994 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
1995 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
1997 2009-03-09 Roland McGrath <roland@redhat.com>
1999 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
2000 variable to outer scope, so we cache it for the loop.
2002 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
2004 2009-02-12 Roland McGrath <roland@redhat.com>
2006 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
2007 __libdwfl_relocate_value to find correct sh_addr value.
2009 2009-02-10 Roland McGrath <roland@redhat.com>
2011 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
2012 If false, don't fail for NO_PHDR.
2013 (dwfl_report_elf): Update caller.
2014 * libdwflP.h: Update decl.
2015 * offline.c (process_elf): Call it with false, so we don't refuse
2016 dubiously-formed objects here.
2018 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
2019 finds our module. We shouldn't crash when we confuse some guesses.
2021 2009-02-10 Ulrich Drepper <drepper@redhat.com>
2023 * open.c (decompress): Avoid crash with empty input file.
2025 2009-01-27 Roland McGrath <roland@redhat.com>
2027 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
2028 with zero vaddr and memsz.
2030 2009-01-22 Roland McGrath <roland@redhat.com>
2032 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
2034 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
2035 after address-matching loop.
2037 * segment.c (lookup): Fix fencepost in checking for HINT match.
2039 2009-01-14 Roland McGrath <roland@redhat.com>
2041 * gzip.c [!BZLIB] (mapped_zImage): New function.
2042 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
2044 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2046 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
2048 2009-01-08 Roland McGrath <roland@redhat.com>
2050 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
2051 Skip subdirectory named "source".
2052 (dwfl_linux_kernel_find_elf): Likewise.
2054 2009-01-06 Roland McGrath <roland@redhat.com>
2056 * linux-kernel-modules.c (check_suffix): New function.
2057 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
2058 (dwfl_linux_kernel_report_offline): Use it.
2059 (dwfl_linux_kernel_find_elf): Likewise.
2061 2009-01-05 Roland McGrath <roland@redhat.com>
2063 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
2064 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
2065 * dwfl_build_id_find_elf.c: Likewise.
2066 * dwfl_module_getdwarf.c (open_elf): Likewise.
2067 * dwfl_report_elf.c: Likewise.
2068 * find-debuginfo.c (validate): Likewise.
2069 * offline.c (__libdwfl_report_offline): Likewise.
2071 * libdwflP.h: Declare __libdw_open_file.
2073 * Makefile.am (libdwfl_a_SOURCES): Add it.
2076 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
2077 * bzip2.c: New file.
2078 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
2079 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
2081 2008-12-16 Roland McGrath <roland@redhat.com>
2083 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
2084 symver magic to bind to ELFUTILS_0.138.
2085 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
2086 wrapper for ELFUTILS_0.130 version set.
2088 2008-12-18 Roland McGrath <roland@redhat.com>
2090 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
2091 addresses are taken as relative to MOD->low_addr.
2093 2008-12-15 Roland McGrath <roland@redhat.com>
2095 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2098 2008-12-11 Roland McGrath <roland@redhat.com>
2100 * offline.c (process_archive): Don't call elf_end and close if
2101 returning NULL. Check first elf_begin call and set error code
2102 specially for empty archive.
2105 2008-12-02 Roland McGrath <roland@redhat.com>
2107 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2109 2008-11-26 Roland McGrath <roland@redhat.com>
2111 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
2112 return value, and interpret encoded OFFSET argument.
2114 2008-10-07 Roland McGrath <roland@redhat.com>
2116 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2118 2008-09-29 Roland McGrath <roland@redhat.com>
2120 * segment.c (insert): Must realloc DWFL->lookup_module here too.
2121 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2123 2008-08-28 Roland McGrath <roland@redhat.com>
2125 * segment.c (reify_segments): Fix last change.
2127 2008-08-27 Roland McGrath <roland@redhat.com>
2129 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2130 failure from pread64.
2132 2008-08-26 Roland McGrath <roland@redhat.com>
2134 * segment.c (reify_segments): Insert a trailing segment for a module
2135 end that is above the highest current segment.
2137 2008-08-25 Roland McGrath <roland@redhat.com>
2139 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2140 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2141 if FILE->elf is not ELF_K_ELF.
2143 * dwfl_segment_report_module.c: Add a cast.
2145 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2147 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2148 which decides which symbol is "closest" to a given address.
2150 2008-08-15 Roland McGrath <roland@redhat.com>
2152 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2153 (options, parse_opt): Handle --core.
2155 * core-file.c: New file.
2156 * Makefile.am (libdwfl_a_SOURCES): Add it.
2157 * libdwflP.h (dwfl_core_file_report): Declare it.
2159 * link_map.c: New file.
2160 * Makefile.am (libdwfl_a_SOURCES): Add it.
2161 * libdwflP.h (dwfl_link_map_report): Declare it.
2163 * libdwflP.h (MIN, MAX): New macros.
2164 (Dwfl_Memory_Callback): New typedef.
2165 (Dwfl_Module_Callback): New typedef.
2166 (dwfl_segment_report_module): Declare it.
2167 * dwfl_segment_report_module.c: New file.
2168 * Makefile.am (libdwfl_a_SOURCES): Add it.
2170 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2171 * libdwflP.h: Add INTDECL.
2173 * segment.c: New file.
2174 * Makefile.am (libdwfl_a_SOURCES): Add it.
2175 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2176 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2177 lookup_addr, lookup_module, lookup_segndx, replace removed members
2179 (struct Dwfl_Module): New member segment.
2180 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2181 to each free module.
2182 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2183 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2184 (dwfl_report_module): Don't touch DWFL->nmodules.
2185 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2186 (compare_modules): Function removed.
2187 * dwfl_getmodules.c: Rewritten.
2189 * libdwflP.h: Add INTDECLs.
2190 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2191 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2193 2008-08-03 Roland McGrath <roland@redhat.com>
2195 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2197 2008-07-17 Roland McGrath <roland@redhat.com>
2199 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2200 zero if the failure was only ENOENT.
2202 2008-06-03 Roland McGrath <roland@redhat.com>
2204 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2207 2008-05-22 Petr Machata <pmachata@redhat.com>
2209 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2211 2008-05-06 Roland McGrath <roland@frob.com>
2213 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2214 FTS_LOGICAL here too.
2215 (dwfl_linux_kernel_find_elf): Likewise.
2217 2008-04-29 Roland McGrath <roland@redhat.com>
2219 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2220 based on canonicalize_file_name if it differs from the supplied name.
2222 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2225 2008-04-27 Roland McGrath <roland@redhat.com>
2227 * linux-kernel-modules.c (report_kernel): Fix crash when
2228 dwfl_report_elf fails.
2230 2008-04-05 Roland McGrath <roland@redhat.com>
2232 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2234 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2235 Clear it after freeing.
2236 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2238 2008-03-26 Roland McGrath <roland@redhat.com>
2240 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2241 SHT_DYNSYM, just set *SYMSCN like the comment says.
2243 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2245 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2247 2008-03-19 Roland McGrath <roland@redhat.com>
2249 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2251 2008-03-01 Roland McGrath <roland@redhat.com>
2253 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2254 prototype to avoid older compiler's complaint about reuse of the name.
2255 (__libdwfl_canon_error): Likewise.
2257 2008-02-19 Roland McGrath <roland@redhat.com>
2259 * relocate.c (relocate_section): Check for an unhandled relocation
2260 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2261 DWFL_E_UNKNOWN_MACHINE check out of loops.
2263 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2264 DEBUGFILE->relocated is already set.
2266 2008-01-26 Roland McGrath <roland@redhat.com>
2268 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2270 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2271 incoming *FILE_NAME at the start.
2273 2008-01-08 Roland McGrath <roland@redhat.com>
2275 * Makefile.am (euinclude): Variable removed.
2276 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2278 2007-10-23 Roland McGrath <roland@redhat.com>
2280 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2281 module to appear first.
2283 2007-10-20 Roland McGrath <roland@redhat.com>
2285 * offline.c (process_archive_member): Take FD argument, pass it down
2286 to process_file. Return Elf_Cmd, not bool.
2287 Call elf_next here, always before elf_end.
2288 (process_archive): Update caller. Don't close FD here unless there
2291 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2293 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2294 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2295 partial relocation to one or both files.
2296 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2297 relocations have been applied to the debug file if dwfl_module_getelf
2298 has been used before.
2300 * relocate.c (resolve_symbol): New function.
2301 (relocate_section): Call it.
2303 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2304 (relocate_section): Take new bool arg, PARTIAL. If true,
2305 no error for BADRELTYPE/RELUNDEF, instead just skip them
2306 and leave only those skipped relocs behind the reloc section.
2307 (__libdwfl_relocate_section): Take new arg, pass it down.
2308 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2309 do partial relocation on all sections.
2310 * dwfl_module_getdwarf.c (load_dw): Update caller.
2311 * libdwflP.h: Update decls.
2312 * derelocate.c (dwfl_module_address_section): Pass new argument
2313 to __libdwfl_relocate_section, true.
2315 * derelocate.c (cache_sections): Don't cache reloc sections when
2316 section_address callback is null.
2318 2007-10-19 Roland McGrath <roland@redhat.com>
2320 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2322 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2323 (struct secref): Likewise.
2324 (cache_sections): Cache the relocation section referring to each
2325 section we cache, if any.
2326 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2329 * relocate.c (struct reloc_symtab_cache): New type.
2330 (relocate_getsym): Use it instead of four arguments.
2331 (__libdwfl_relocate): Update caller.
2332 (relocate_section): New function, broken out of ...
2333 (__libdwfl_relocate): ... here.
2334 (__libdwfl_relocate_section): New function.
2335 * libdwflP.h: Declare it.
2337 2007-10-17 Roland McGrath <roland@redhat.com>
2339 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2340 to relocated st_value.
2342 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2345 2007-10-16 Roland McGrath <roland@redhat.com>
2347 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2348 section has larger alignment requirements not met by the original BASE,
2349 rather than padding more between sections.
2351 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2353 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2356 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2357 at zero in ET_REL case. Adjust BASE to necessary alignment.
2359 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2361 (__libdwfl_find_build_id): Update caller.
2363 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2364 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2365 * offline.c (dwfl_offline_section_address): Bail early if there is
2366 separate debug file.
2368 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2370 2007-10-09 Roland McGrath <roland@redhat.com>
2372 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2373 caching SHDR->sh_addr = 0.
2374 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2375 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2377 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2378 we've found SHT_SYMTAB.
2380 * relocate.c (relocate_getsym): New function.
2381 (__libdwfl_relocate): Use it.
2382 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2383 be a pointer instead of value; cache getshstrndx result there.
2384 * libdwflP.h: Update decl.
2385 * derelocate.c (cache_sections): Update caller.
2386 Always work on the main file, not the symfile.
2387 (dwfl_module_address_section): Likewise.
2388 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2390 2007-10-07 Roland McGrath <roland@redhat.com>
2392 * offline.c (process_archive): Initialize MOD.
2394 * linux-kernel-modules.c (get_release): New function, broken out of ...
2395 (report_kernel): ... here. Call it.
2396 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2397 (find_kernel_elf): Update caller.
2398 (report_kernel_archive): New function.
2399 (dwfl_linux_kernel_report_offline): Call it.
2401 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2402 (process_archive): Likewise.
2403 (process_archive_member): Likewise. When nonnull, let the predicate
2404 decide whether to use this member.
2405 (__libdwfl_report_offline): New function, broken out of ...
2406 (dwfl_report_offline): ... here. Call it.
2407 * libdwflP.h: Declare it.
2409 * offline.c (process_archive, process_archive_member): New functions.
2410 (process_elf, process_file): New functions, broken out of ...
2411 (dwfl_report_offline): ... here. Call process_file, which recurses on
2414 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2415 (dwfl_report_elf): ... here. Call it.
2416 * libdwflP.h: Declare it.
2418 2007-10-06 Roland McGrath <roland@redhat.com>
2420 * derelocate.c (dwfl_module_relocations): Don't call
2421 dwfl_module_getdwarf.
2423 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2426 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2427 SHF_ALLOC, to cache sh_addr resolved to 0.
2429 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2430 values nonzero already, just use its existing layout.
2432 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2433 in-core shdr after applying it.
2435 2007-10-04 Ulrich Drepper <drepper@redhat.com>
2437 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2438 initialization of notes variable.
2440 2007-10-04 Roland McGrath <roland@redhat.com>
2442 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2443 fill in with vaddr of "__start_notes" symbol if found.
2444 (check_notes): New function.
2445 (check_kernel_notes): New function.
2446 (dwfl_linux_kernel_report_kernel): Call it.
2447 (check_module_notes): New function.
2448 (dwfl_linux_kernel_report_modules): Call it.
2450 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2451 Try dwfl_build_id_find_elf first.
2453 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
2454 Set kernel module e_type to ET_DYN.
2456 2007-10-03 Roland McGrath <roland@redhat.com>
2458 * find-debuginfo.c (validate): New function, broken out of ...
2459 (find_debuginfo_in_path): ... here. New function, broken out of ...
2460 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
2461 dwfl_build_id_find_debuginfo first.
2463 * dwfl_build_id_find_elf.c: New file.
2464 * dwfl_build_id_find_debuginfo.c: New file.
2465 * Makefile.am (libdwfl_a_SOURCES): Add them.
2466 * libdwfl.h: Declare them.
2467 * libdwflP.h: Add INTDECLs.
2469 * dwfl_module_build_id.c: New file.
2470 * dwfl_module_report_build_id.c: New file.
2471 * Makefile.am (libdwfl_a_SOURCES): Add them.
2472 * libdwfl.h: Declare them.
2473 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
2474 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
2475 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
2477 * dwfl_module_getdwarf.c (find_offsets): New function.
2478 (find_dynsym): New function, calls that.
2479 (find_symtab): Call it.
2481 2007-09-11 Roland McGrath <roland@redhat.com>
2483 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
2484 address if its st_size is smaller.
2486 2007-08-13 Roland McGrath <roland@redhat.com>
2488 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2490 2007-08-12 Roland McGrath <roland@redhat.com>
2492 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
2495 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
2496 a second phdr if it happens to match EHDR_VMA exactly.
2498 2007-08-08 Roland McGrath <roland@redhat.com>
2500 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
2501 those with no names. Rewrite best symbol algorithm not to assume a
2502 sorted table and to be smarter handling sizeless symbols.
2504 2007-07-16 Roland McGrath <roland@redhat.com>
2506 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
2507 reviving an existing module.
2509 2007-06-08 Roland McGrath <roland@redhat.com>
2511 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
2513 2007-05-17 Roland McGrath <roland@redhat.com>
2515 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
2516 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
2517 (dwfl_linux_kernel_find_elf): Likewise.
2519 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2520 getline and sscanf instead of fscanf.
2522 2007-05-08 Roland McGrath <roland@redhat.com>
2524 * offline.c (dwfl_offline_section_address): Don't assume section
2525 numbers match between stripped and debuginfo files. Instead, assume
2526 only that the ordering among SHF_ALLOC sections matches.
2528 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
2530 (dwfl_linux_kernel_report_offline): Update caller.
2531 (dwfl_linux_kernel_report_kernel): Likewise.
2533 2007-04-23 Roland McGrath <roland@redhat.com>
2535 * argp-std.c (options): Fix group title string.
2537 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
2538 Update via STATE->input every time we set STATE->hook, not only at
2541 * dwfl_module.c (free_file): Free FILE->name.
2543 2007-04-16 Roland McGrath <roland@redhat.com>
2545 * derelocate.c (cache_sections): Apply bias to sh_addr.
2546 (compare_secrefs): Fix address comparison to avoid signed overflow.
2547 (find_section): New function, broken out of ...
2548 (dwfl_module_relocate_address): ... here, call it.
2549 (check_module): New function, broken out of ...
2550 (dwfl_module_relocate_address): ... here, call it.
2551 (dwfl_module_address_section): New function.
2552 * libdwfl.h: Declare it.
2554 2007-03-26 Roland McGrath <roland@redhat.com>
2556 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2558 2007-03-18 Roland McGrath <roland@redhat.com>
2560 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
2561 (find_debuginfo): ... here. Call it.
2562 Don't return error for libelf errors finding .gnu_debuglink section.
2564 2007-03-12 Roland McGrath <roland@redhat.com>
2566 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
2567 (dwfl_report_begin): ... here. Call it.
2568 * libdwfl.h: Declare it.
2569 * libdwflP.h: Add INTDECL.
2571 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2573 * offline.c: Comment typo fix.
2575 2007-03-04 Roland McGrath <roland@redhat.com>
2577 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
2578 (find_kernel_elf): New function, broken out of ...
2579 (report_kernel): ... here. Call it.
2580 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
2581 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
2582 virtual address bounds of kernel from symbols rounded to page size.
2583 (dwfl_linux_kernel_report_kernel): Use that if it works, before
2584 resorting to report_kernel.
2586 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
2587 ET_EXEC file with nonzero bias.
2589 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
2590 dwfl_module_addrsym. Guts moved to ...
2591 * dwfl_module_addrsym.c: ... here; new file.
2592 * Makefile.am (libdwfl_a_SOURCES): Add it.
2593 * libdwfl.h: Declare dwfl_module_addrsym.
2594 * libdwflP.h: Add INTDECL.
2596 2007-03-03 Roland McGrath <roland@redhat.com>
2598 * dwfl_module.c (free_file): New function, broken out of ...
2599 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
2601 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
2604 2007-03-02 Roland McGrath <roland@redhat.com>
2606 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
2608 2007-02-02 Roland McGrath <roland@redhat.com>
2610 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
2611 address exactly if it's no other module's low boundary.
2613 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
2614 and size cover the address, select the closest symbol with st_size==0
2615 that lies in the same section.
2617 2007-01-29 Roland McGrath <roland@redhat.com>
2619 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2622 2007-01-20 Roland McGrath <roland@redhat.com>
2624 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
2626 * libdwfl.h (Dwfl_Callbacks): Update comment.
2627 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
2628 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2629 For ignored missing section, use -1 instead of 0.
2630 * offline.c (dwfl_offline_section_address): Expect a call for 0.
2632 2007-01-19 Roland McGrath <roland@redhat.com>
2634 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
2635 zero so a lone -e foo.so is shown without address bias.
2637 2007-01-10 Roland McGrath <roland@redhat.com>
2639 * linux-kernel-modules.c (report_kernel): Check asprintf return value
2640 directly instead of via side effect, to silence warn_unused_result.
2641 (dwfl_linux_kernel_report_offline): Likewise.
2642 (dwfl_linux_kernel_find_elf): Likewise.
2643 (dwfl_linux_kernel_module_section_address): Likewise.
2644 * find-debuginfo.c (try_open): Likewise.
2645 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
2646 (dwfl_linux_proc_report): Likewise.
2648 * libdwfl.h (dwfl_begin): Require nonnull argument.
2650 2006-12-27 Roland McGrath <roland@redhat.com>
2652 * dwfl_module.c (compare_modules): Fix address comparison to avoid
2653 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
2655 2006-10-30 Roland McGrath <roland@redhat.com>
2657 * dwfl_module.c (dwfl_report_module): Comment typo fix.
2659 2006-09-05 Roland McGrath <roland@redhat.com>
2661 * derelocate.c (cache_sections): Use alloca instead of variable-sized
2662 auto array, in function already using alloca.
2664 2006-08-14 Roland McGrath <roland@redhat.com>
2666 * linux-kernel-modules.c (try_kernel_name): If the call to
2667 dwfl_standard_find_debuginfo produces no results, try it again
2668 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
2670 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
2671 * libdwflP.h: ... to here.
2672 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
2673 repeats the first thing dwfl_standard_find_debuginfo will try.
2675 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
2676 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
2677 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
2680 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2682 * cu.c: Adjust for internal_function_def removal.
2683 * dwfl_error.c: Likewise.
2684 * dwfl_module.c: Likewise.
2685 * dwfl_module_getdwarf.c: Likewise.
2686 * lines.c: Likewise.
2687 * relocate.c: Likewise.
2689 2006-07-11 Ulrich Drepper <drepper@redhat.com>
2691 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
2692 it can overflow the return value type.
2693 Patch by Tim Moore <timoore@redhat.com>.
2695 2006-06-28 Roland McGrath <roland@redhat.com>
2697 * libdwfl.h: Cosmetic changes.
2699 * dwfl_line_comp_dir.c: New file.
2700 * Makefile.am (libdwfl_a_SOURCES): Add it.
2701 * libdwfl.h: Declare dwfl_line_comp_dir.
2703 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
2705 * dwfl_linecu.c: New file.
2706 * Makefile.am (libdwfl_a_SOURCES): Add it.
2707 * libdwfl.h: Declare dwfl_linecu.
2709 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
2710 (dwfl_linecu): Define as macro.
2712 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
2714 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
2715 (dwfl_module_addrname): Function moved ...
2716 * dwfl_module_addrname.c: ... here, new file.
2717 * dwfl_module_getsym.c: New file.
2718 * Makefile.am (libdwfl_a_SOURCES): Add them.
2719 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
2720 * libdwflP.h: Add INTDECLs.
2722 2006-06-27 Roland McGrath <roland@redhat.com>
2724 * dwfl_module.c (dwfl_report_end): Whitespace fix.
2726 2006-06-13 Roland McGrath <roland@redhat.com>
2728 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2729 Use __libdwfl_seterrno for elf_memory failure.
2731 2006-05-22 Roland McGrath <roland@redhat.com>
2733 * dwfl_module_return_value_location.c
2734 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2736 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2738 * libdwfl.h: Add extern "C".
2740 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2742 * cu.c (addrarange): Handle files without aranges information.
2744 2006-05-16 Ulrich Drepper <drepper@redhat.com>
2746 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
2749 2006-02-26 Roland McGrath <roland@redhat.com>
2751 * dwfl_version.c: New file.
2752 * Makefile.am (libdwfl_a_SOURCES): Add it.
2753 * libdwfl.h: Declare dwfl_version.
2755 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
2756 aligned up from DWFL->offline_next_address when checking for overlap.
2758 2005-12-22 Roland McGrath <roland@redhat.com>
2760 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
2762 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
2763 (dwfl_linux_proc_report): ... here. Call it.
2764 (dwfl_linux_proc_maps_report): New function.
2765 * libdwfl.h: Declare it.
2766 * libdwflP.h: Add INTDECL.
2767 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
2769 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
2770 failed with DWFL_E_NO_DWARF.
2772 2005-11-26 Roland McGrath <roland@redhat.com>
2774 * dwfl_end.c (dwfl_end): Free the DWFL itself.
2776 2005-11-25 Roland McGrath <roland@redhat.com>
2778 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
2780 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
2781 * libdwflP.h: Declare it.
2783 * dwfl_module_register_names.c: New file.
2784 * Makefile.am (libdwfl_a_SOURCES): Add it.
2785 * libdwfl.h: Declare dwfl_module_register_names.
2787 2005-11-21 Roland McGrath <roland@redhat.com>
2789 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2790 Don't leak malloc'd file name.
2791 If a /sys/.../sections file is missing and starts with ".init",
2792 try the variant with "_init" too; catches PPC64 kernel braindamage.
2794 2005-11-15 Roland McGrath <roland@redhat.com>
2796 * libdwfl.h: Comment fixes.
2798 * dwfl_module_return_value_location.c: Add unlikely for error case.
2800 2005-11-13 Roland McGrath <roland@redhat.com>
2802 * dwfl_return_value_location.c: New file.
2803 * Makefile.am (libdwfl_a_SOURCES): Add it.
2804 * libdwfl.h: Declare dwfl_module_return_value_location.
2805 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
2807 2005-10-20 Roland McGrath <roland@redhat.com>
2809 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
2810 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
2811 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2813 2005-10-01 Roland McGrath <roland@redhat.com>
2815 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
2818 2005-09-19 Roland McGrath <roland@redhat.com>
2820 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2821 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
2822 the signed integer reading; they will just have to be in hexadecimal.
2823 (dwfl_linux_kernel_module_section_address): Likewise.
2825 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2827 * Makefile.am (%.os): Use COMPILE.os.
2828 (COMPILE.os): Filter out gconv options.
2830 2005-08-25 Roland McGrath <roland@redhat.com>
2832 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
2833 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2835 2005-08-24 Roland McGrath <roland@redhat.com>
2837 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
2839 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
2840 magic initializer to set -heur-stack-bound option.
2842 2005-08-22 Roland McGrath <roland@redhat.com>
2844 * dwfl_validate_address.c: New file.
2845 * Makefile.am (libdwfl_a_SOURCES): Add it.
2846 * libdwfl.h: Declare dwfl_validate_address.
2848 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
2849 * libdwflP.h: Add INTDECL.
2851 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
2852 elf_rawdata for symbol-related sections.
2854 * offline.c (dwfl_report_offline): Move offline_next_address outside
2855 module's range, in case it's an ET_EXEC using fixed segment locations.
2856 * libdwfl.h: Update comment.
2858 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
2861 2005-08-20 Roland McGrath <roland@redhat.com>
2863 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
2864 function to choose whether to report.
2865 (dwfl_linux_kernel_report_offline): Likewise.
2866 * libdwfl.h: Update decl.
2867 * argp-std.c (parse_opt): Update caller.
2869 * dwfl_getsrclines.c: New file.
2870 * dwfl_onesrcline.c: New file.
2871 * Makefile.am (libdwfl_a_SOURCES): Add them.
2872 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
2874 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
2875 MODULESDIR[0]. Call fts_close on failure.
2877 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
2878 Close ET_REL file descriptors after relocation.
2879 (find_dw): Update caller.
2880 * offline.c (dwfl_report_offline): Get the file into memory and close
2881 the file descriptor.
2883 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
2884 MOD->debug.elf is already set.
2886 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
2887 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
2889 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
2890 dwfl_linux_kernel_report_offline with offline_callbacks.
2892 * linux-kernel-modules.c (report_kernel): New function, broken out of
2894 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2895 (dwfl_linux_kernel_report_offline): New function.
2896 * libdwfl.h: Declare it.
2897 * libdwflP.h: Add INTDECL.
2899 2005-08-19 Roland McGrath <roland@redhat.com>
2901 Use standard debuginfo search path to look for vmlinux.
2902 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
2904 * linux-kernel-modules.c (try_kernel_name): New function, broken out
2906 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2908 * argp-std.c (offline_callbacks): New variable.
2909 (parse_opt): Use it for -e. Allow multiple -e options.
2911 * offline.c: New file.
2912 * Makefile.am (libdwfl_a_SOURCES): Add it.
2913 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
2914 * libdwflP.h: Add INTDECLs.
2915 (OFFLINE_REDZONE): New macro.
2916 (struct Dwfl): New member `offline_next_address'.
2917 * dwfl_begin.c (dwfl_begin): Initialize it.
2918 * dwfl_module.c (dwfl_report_begin): Likewise.
2920 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
2921 do a nominal absolute section layout starting at BASE.
2922 * libdwfl.h: Update comment.
2924 2005-08-18 Roland McGrath <roland@redhat.com>
2926 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
2927 dwfl_module_getdwarf if necessary.
2929 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
2930 * libdwfl.h: Update comment.
2932 * derelocate.c: New file.
2933 * Makefile.am (libdwfl_a_SOURCES): Add it.
2935 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
2936 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
2937 * dwfl_module_getdwarf.c (open_elf): Update initialization.
2938 (load_dw, dwfl_module_addrname): Update uses.
2939 * relocate.c (__libdwfl_relocate): Likewise.
2941 2005-08-04 Roland McGrath <roland@redhat.com>
2943 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
2944 arguments SHNDX, SHDR.
2945 (dwfl_linux_kernel_module_section_address): Update prototype.
2946 * relocate.c (__libdwfl_relocate_value): Update caller.
2947 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2948 Take the new arguments.
2950 2005-08-10 Roland McGrath <roland@redhat.com>
2952 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
2953 use it instead of MOD->debug.file.
2954 * libdwflP.h: Update decl.
2955 * dwfl_module_getdwarf.c (load_dw): Update caller.
2958 2005-08-09 Roland McGrath <roland@redhat.com>
2960 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
2961 * cu.c: Use INTUSE on dwarf_* calls.
2962 * dwfl_error.c: Likewise.
2963 * dwfl_module.c: Likewise.
2964 * dwfl_module_getdwarf.c: Likewise.
2965 * dwfl_module_getsrc_file.c: Likewise.
2966 * lines.c: Likewise.
2968 2005-08-07 Roland McGrath <roland@redhat.com>
2970 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
2971 names contain '_' or '-', look for files named either "foo-bar.ko"
2974 2005-07-29 Roland McGrath <roland@redhat.com>
2976 * loc2c.c: File removed.
2977 * loc2c.h: File removed.
2978 * loc2c-runtime.h: File removed.
2979 * test2.c: File removed.
2980 * Makefile.am (EXTRA_DIST): Variable removed.
2981 (noinst_HEADERS): Remove loc2c.h from here.
2983 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2985 * libdwfl.h: Add a few missing extern for function prototypes.
2987 * libdwfl_crc32.c: New file.
2988 * libdwfl_crc32_file.c: New file.
2989 * libdwflP.h: Declare the new functions.
2990 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
2991 libdwfl_crc32_file.c.
2992 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
2993 instead of crc32_file.
2995 2005-07-28 Roland McGrath <roland@redhat.com>
2997 * ptest.c: Moved to ../tests/dwflmodtest.c.
2999 * Makefile.am (noinst_PROGRAMS): Variable removed.
3000 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
3001 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
3002 (libdwfl): Don't use libdwfl.so any more.
3003 (libdwfl.so, install, uninstall): Targets removed.
3004 (test2_SOURCES): Define EXTRA_DIST instead of this.
3005 * libdwfl.map: File removed.
3007 * libdwfl.h: Use "" for libdw.h #include.
3009 2005-07-27 Roland McGrath <roland@redhat.com>
3011 * libdwfl.map: Add dwfl_getmodules.
3013 2005-07-23 Ulrich Drepper <drepper@redhat.com>
3015 * Makefile.am: Fix rules to allow building with mudflap.
3017 2005-07-21 Roland McGrath <roland@redhat.com>
3019 * Makefile.am (noinst_HEADERS): Add loc2c.c.
3021 * test2.c (main): Check sscanf result to quiet warning.
3023 2005-07-20 Roland McGrath <roland@redhat.com>
3025 * libdwfl-branch merged, creating this direcotry.