1 2018-10-02 Andreas Schwab <schwab@suse.de>
3 * relocate.c (relocate): Handle ADD/SUB relocations.
5 2018-09-13 Mark Wielaard <mark@klomp.org>
7 * dwfl_segment_report_module.c (dwfl_segment_report_module):
8 Document why we use e_shnum directly.
9 * elf-from-memory.c (elf_from_remote_memory): Likewise.
11 2018-07-17 Ulf Hermann <ulf.hermann@qt.io>
13 * linux-pid-attach.c: Include sys/uio.h only on linux.
15 2018-06-04 Mark Wielaard <mark@klomp.org>
17 * libdwflP.h (__libdwfl_addrsym): Remove function declaration.
18 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function.
20 2018-05-27 Mark Wielaard <mark@klomp.org>
22 * relocate.c (__libdwfl_relocate): Always call relocate_section with
25 2018-05-17 Mark Wielaard <mark@klomp.org>
27 * dwfl_module (__libdwfl_module_free): Free elfdir.
28 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after
29 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the
30 main module file and we recorded the elfdir.
31 * libdwflP.h (struct Dwfl_Module): Add elfdir field.
32 * offline.c (process_elf): Record the elfdir before we close the
33 main ELF file descriptor.
35 2018-04-10 Mark Wielaard <mark@klomp.org>
37 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for
38 the return address either set an error or mark the pc undefined.
40 2018-03-17 Mark Wielaard <mark@klomp.org>
42 * libdwflP.h (struct __libdwfl_remote_mem_cache): New.
43 (struct __libdwfl_pid_arg): Add mem_cache field.
44 * linux-pid-attach.c (read_cached_memory): New function.
45 (clear_cached_memory): Likewise.
46 (pid_memory_read): Call read_cached_memory.
47 (pid_detach): Free mem_cache.
48 (pid_thread_detach): Call clear_cached_memory.
49 (dwfl_linux_proc_attach): Initialize mem_cache to NULL.
51 2018-03-05 Mark Wielaard <mark@klomp.org>
53 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use
54 realpath (name, NULL) instead of canonicalize_file_name (name).
55 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise.
57 2018-01-29 Mark Wielaard <mark@klomp.org>
59 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of
60 DIE_OFFSET_FROM_CU_OFFSET.
61 (intern_cu): Simply use a copy of the given die CU as key instead of
62 trying to construct a dummy one by hand.
64 2018-02-15 Mark Wielaard <mark@klomp.org>
66 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h.
68 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
70 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
71 macro instead of comment.
72 * frame_unwind.c (expr_eval): Likewise.
74 2017-11-20 Mark Wielaard <mark@klomp.org>
76 * link_map.c (do_check64): Take a char * and calculate type and val
77 offsets before reading, possibly unaligned, values.
78 (do_check32): Likewise.
79 (check64): Remove define.
81 (auxv_format_probe): Call do_check32 and do_check64 directly with
82 a, possibly unaligned, auxv entry pointer.
83 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
84 possibly unaligned auxv entry pointer.
86 2017-10-16 Mark Wielaard <mark@klomp.org>
88 * argp-std.c (parse_opt): For -k call argp_failure not failure to
91 2017-07-26 Yunlian Jiang <yunlian@google.com>
93 * argp-std.c (failure): Move to file scope.
96 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
97 Mark Wielaard <mark@klomp.org>
99 * derelocate.c (compare_secrefs): Compare by end address and then by
100 section number if addresses are equal.
102 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
103 Mark Wielaard <mark@klomp.org>
105 * linux-kernel-modules.c: Always return NULL from kernel_release() on
106 non-linux systems and set errno to ENOTSUP.
108 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
110 * libdwflP.h: Don't include config.h.
111 * argp-std.c: Include config.h.
113 * derelocate.c: Likewise.
114 * dwfl_addrdie.c: Likewise.
115 * dwfl_addrdwarf.c: Likewise.
116 * dwfl_addrmodule.c: Likewise.
117 * dwfl_begin.c: Likewise.
118 * dwfl_build_id_find_debuginfo.c: Likewise.
119 * dwfl_build_id_find_elf.c: Likewise.
120 * dwfl_cumodule.c: Likewise.
121 * dwfl_dwarf_line.c: Likewise.
122 * dwfl_end.c: Likewise.
123 * dwfl_frame.c: Likewise.
124 * dwfl_frame_regs.c: Likewise.
125 * dwfl_getdwarf.c: Likewise.
126 * dwfl_getmodules.c: Likewise.
127 * dwfl_getsrc.c: Likewise.
128 * dwfl_getsrclines.c: Likewise.
129 * dwfl_line_comp_dir.c: Likewise.
130 * dwfl_linecu.c: Likewise.
131 * dwfl_lineinfo.c: Likewise.
132 * dwfl_linemodule.c: Likewise.
133 * dwfl_module.c: Likewise.
134 * dwfl_module_addrdie.c: Likewise.
135 * dwfl_module_addrname.c: Likewise.
136 * dwfl_module_addrsym.c: Likewise.
137 * dwfl_module_build_id.c: Likewise.
138 * dwfl_module_dwarf_cfi.c: Likewise.
139 * dwfl_module_eh_cfi.c: Likewise.
140 * dwfl_module_getdarf.c: Likewise.
141 * dwfl_module_getelf.c: Likewise.
142 * dwfl_module_getsrc.c: Likewise.
143 * dwfl_module_getsrc_file.c: Likewise.
144 * dwfl_module_getsym.c: Likewise.
145 * dwfl_module_info.c: Likewise.
146 * dwfl_module_nextcu.c: Likewise.
147 * dwfl_module_register_names.c: Likewise.
148 * dwfl_module_report_build_id.c: Likewise.
149 * dwfl_module_return_value_location.c: Likewise.
150 * dwfl_nextcu.c: Likewise.
151 * dwfl_onesrcline.c: Likewise.
152 * dwfl_report_elf.c: Likewise.
153 * dwfl_validate_address.c: Likewise.
154 * dwfl_version.c: Likewise.
155 * find-debuginfo.c: Likewise.
157 * image-header.c: Likewise.
159 * linux-core-attach.c: Likewise.
160 * linux-pid-attach.c: Likewise.
161 * offline.c: Likewise.
163 * relocate.c: Likewise.
164 * segment.c: Likewise.
166 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
168 * libdwfl.h: Use __const_attribute__.
170 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
172 * elf-from-memory.c: Explicitly cast phnum to size_t.
174 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
176 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
179 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
181 * dwfl_frame.c: Drop unused sys/ptrace.h include.
182 * frame_unwind.c: Likewise.
183 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
186 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
188 * linux-kernel-modules.c: Include sys/types.h before fts.h
190 2017-03-24 Mark Wielaard <mark@klomp.org>
192 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
193 the note name data is the empty string.
194 (dwfl_core_file_attach): Likewise.
196 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
198 * linux-kernel-modules.c: Include system.h.
200 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
202 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
203 * linux-proc-maps.c: Likewise.
205 2016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
207 * dwfl_build_id_find_elf.c: Include system.h.
208 * dwfl_module_getdwarf.c: Likewise.
209 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
211 2016-11-23 Mark Wielaard <mjw@redhat.com>
213 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
216 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
218 * core-file.c: Remove sys/param.h.
219 * dwfl_segment_report_module.c: Likewise. Add system.h include.
220 (MAX): Remove definition.
221 * frame_unwind.c: Add system.h include.
222 (MAX): Remove definition.
223 * linux-core-attach.c (MIN): Remove definition.
224 * linux-pid-attach.c (MAX): Likewise.
226 2016-08-12 Mark Wielaard <mjw@redhat.com>
228 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
230 2016-04-14 Mark Wielaard <mjw@redhat.com>
232 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
233 on invalid DWARF if we allocated it.
235 2016-04-14 Mark Wielaard <mjw@redhat.com>
237 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
240 2016-03-01 Steven Chamberlain <steven@pyro.eu.org>
242 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
243 pid_thread_detach, pid_detach, pid_set_initial_registers,
244 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
247 2016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
248 Mark Wielaard <mjw@redhat.com>
250 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
251 debuglink_file is NULL. Try file basename (without .debug) ofr
252 absolute and relative path if debug_file was NULL.
253 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
254 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
257 2016-02-13 Mark Wielaard <mjw@redhat.com>
259 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
261 2016-02-13 Mark Wielaard <mjw@redhat.com>
263 * frame_unwind.c (new_unwound): Check and return unwound.
264 (handle_cfi): Check new_unwound was able to allocate new memory
265 before use. Return DWFL_E_NOMEM otherwise.
267 2016-02-11 Mark Wielaard <mjw@redhat.com>
269 * relocate.c (relocate_section): Check result of all gelf_get* calls.
270 (__libdwfl_relocate): Likewise.
271 (__libdwfl_relocate_section): Likewise.
273 2016-02-11 Mark Wielaard <mjw@redhat.com>
275 * relocate.c (relocate_section): Check result of gelf_update_* calls.
277 2016-01-08 Mark Wielaard <mjw@redhat.com>
279 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
280 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
282 (try_kernel_name): Likewise.
283 (check_suffix): Likewise.
284 * open.c (decompress): Likewise.
286 2015-12-18 Mark Wielaard <mjw@redhat.com>
288 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
289 sections and aux_str, aux_xndx and aux_sym sections if necessary.
290 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
292 (resolve_symbol): Uncompress strtab section if necessary.
293 (relocate_section): Uncompress the section the relocations apply to
296 2015-11-18 Chih-Hung Hsieh <chh@google.com>
298 * linux-proc-maps.c (proc_maps_report): Move nested function
299 'report' to file scope.
301 2015-11-18 Chih-Hung Hsieh <chh@google.com>
303 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
305 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
306 'update_end' and 'more' to file scope.
308 2015-11-17 Chih-Hung Hsieh <chh@google.com>
310 * link_map.c (auxv_format_probe): Move nested functions
311 check64 and check32 to file scope.
313 2015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
315 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
316 the value of the return address register as defined by the CFI
318 * frame_unwind.c (handle_cfi): Likewise.
320 2015-12-01 Mark Wielaard <mjw@redhat.com>
322 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
323 from exec or memory_callback, free as appropriate.
325 2015-12-01 Mark Wielaard <mjw@redhat.com>
327 * libdwflP.h (struct Dwfl_User_Core): New.
328 (struct DWfl): Replace executable_for_core with user_core.
329 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
330 * core-file.c (dwfl_core_file_report): Check and store
331 executable_for_core in Dwfl user_core.
332 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
333 executable_for_core in Dwfl user_core.
334 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
335 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
337 (dwfl_link_map_report): Likewise.
339 2015-11-16 Chih-Hung Hsieh <chh@google.com>
341 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
342 function 'consider_shdr' to file scope.
343 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
344 'translate_offs' to file scope.
346 2015-11-16 Chih-Hung Hsieh <chh@google.com>
348 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
349 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
352 2015-11-19 Mark Wielaard <mjw@redhat.com>
354 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
355 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
358 2015-11-13 Chih-Hung Hsieh <chh@google.com>
360 * gzip.c (unzip): Move nested functions to file scope.
362 2015-10-21 Chih-Hung Hsieh <chh@google.com>
363 Mark Wielaard <mjw@redhat.com>
365 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
366 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
367 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
370 2015-10-21 Chih-Hung Hsieh <chh@google.com>
372 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
373 to file scope. Pass used local variables in struct eval_stack.
375 2015-10-21 Chih-Hung Hsieh <chh@google.com>
377 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
380 2015-10-09 Josh Stone <jistone@redhat.com>
382 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
383 * open.c (decompress): Replace off64_t with off_t.
384 * gzip.c (unzip): Likewise.
385 * image-header.c (__libdw_image_header): Likewise.
386 * libdwflP.h: Likewise in function declarations.
387 * argp-std.c (parse_opt): Replace open64 with open.
388 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
389 dwfl_build_id_find_elf): Likewise.
390 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
391 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
392 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
393 * link_map.c (report_r_debug): Likewise.
394 * offline.c (dwfl_report_offline): Likewise.
395 * linux-proc-maps.c (grovel_auxv, get_pid_class,
396 dwfl_linux_proc_find_elf): Likewise.
397 (read_proc_memory): Replace off64_t with off_t.
398 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
399 fstat64 with stat and fstat.
400 (try_open): Likewise, and replace open64 with open.
401 * linux-kernel-modules.c: Manually define open and fopen to open64 and
402 fopen64 when needed, since the early fts.h include breaks that.
403 (try_kernel_name): Replace open64 with open.
404 (check_notes): Likewise.
406 2015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
408 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
409 pread, as the later doesn't accept negative offsets.
411 2015-10-07 Mark Wielaard <mjw@redhat.com>
413 * dwfl_module_getdwarf.c (MAX): Removed.
414 (find_prelink_address_sync): Allocate exact amount of bytes for
416 * dwfl_segment_report_module.c (dwfl_segment_report_module):
418 * elf-from-memory.c (MAX): Removed.
419 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
421 2015-10-05 Chih-Hung Hsieh <chh@google.com>
423 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
424 union of variable length arrays.
425 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
426 * elf-from-memory.c (elf_from_remote_memory): Likewise.
427 * link_map.c (auxv_format_probe): Likewise.
428 * link_map.c (report_r_debug): Likewise.
429 * link_map.c (dwfl_link_map_report): Likewise.
431 2015-09-18 Chih-Hung Hsieh <chh@google.com>
433 * relocate.c (relocate_section): Move nested function "relocate"
434 to file scope, pass all used local variables as constants.
435 Move nested "check_badreltype" to file scope, pass addresses of
436 updated used local variables.
437 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
438 "read_address" to file scope, pass all updated local variables in
440 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
441 function "subst_name" to file scope, pass all used local variables
443 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
444 simple nested function "report" with a macro. Work around gcc static
445 analysis error -Werror=maybe-uninitialized.
447 2015-09-22 Mark Wielaard <mjw@redhat.com>
449 * core-file.c: Remove old-style function definitions.
450 * dwfl_error.c: Likewise.
451 * dwfl_module_dwarf_cfi.c: Likewise.
452 * dwfl_module_eh_cfi.c: Likewise.
453 * dwfl_module_register_names.c: Likewise.
454 * dwfl_module_return_value_location.c: Likewise.
455 * dwfl_version.c: Likewise.
457 2015-09-09 Chih-Hung Hsieh <chh@google.com>
458 Mark Wielaard <mjw@redhat.com>
460 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
461 on parameters declared with __nonnull_attribute__.
462 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
465 2015-09-08 Mark Wielaard <mjw@redhat.com>
467 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
468 * linux-pid-attach.c (pid_detach): Call elf_end and close.
469 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
471 2015-09-04 Chih-Hung Hsieh <chh@google.com
473 * frame_unwind.c (expr_eval): Use llabs instead of abs.
475 2015-08-14 Dodji Seketeli <dodji@seketeli.org>
477 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
478 debug info file named debuglink_file under
479 mod->dwfl->callbacks->debuginfo_path, by looking at
480 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
481 which is common to the set of non-absolute parent trees of
484 2015-06-18 Mark Wielaard <mjw@redhat.com>
486 * find-debuginfo.c (try_open): Free fname on all failure paths.
488 2015-06-18 Mark Wielaard <mjw@redhat.com>
490 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
491 sh_entsize is not zero.
493 2015-06-06 Mark Wielaard <mjw@redhat.com>
495 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
496 localname and file_dirname.
498 2015-06-06 Mark Wielaard <mjw@redhat.com>
500 * derelocate.c (cache_sections): Free sortrefs.
502 2015-06-05 Mark Wielaard <mjw@redhat.com>
504 * dwfl_segment_report_module.c (dwfl_segment_report_module):
505 If the note_file exists, but the build_id doesn't match discard
506 the file and continue reporting.
508 2015-06-01 Mark Wielaard <mjw@redhat.com>
510 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
511 pointer before passing to strsep.
513 2015-05-30 Mark Wielaard <mjw@redhat.com>
515 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
517 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
520 2015-05-30 Mark Wielaard <mjw@redhat.com>
522 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
523 not NULL before calling canonicalize_file_name.
525 2015-05-24 Mark Wielaard <mjw@redhat.com>
527 * derelocate.c (check_module): Check mod is not NULL.
529 2015-05-22 Mark Wielaard <mjw@redhat.com>
531 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
532 malloc instead of stack allocating. Call free when done with data.
534 2015-05-22 Mark Wielaard <mjw@redhat.com>
536 * dwfl_segment_report_module.c (dwfl_segment_report_module):
537 Allocate phdrs with malloc, not on stack. free in finish.
538 Allocate dyn with malloc, not on stack, free after use.
540 2015-05-22 Mark Wielaard <mjw@redhat.com>
542 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
543 instead of alloca or strdupa, local strings of unknown size.
544 Call free before return.
546 2015-05-22 Mark Wielaard <mjw@redhat.com>
548 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
549 error when id_len too small or too large. strdup, not strdupa,
550 and free path when done.
552 2015-05-19 Mark Wielaard <mjw@redhat.com>
554 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
555 phdrs on the stack. Allocate with malloc and free when done.
557 2015-05-19 Mark Wielaard <mjw@redhat.com>
559 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
562 2015-05-19 Mark Wielaard <mjw@redhat.com>
564 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
565 stack allocate name. Only change chars up to suffix.
567 2015-05-18 Mark Wielaard <mjw@redhat.com>
569 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
570 phdrs and shdrs unions with malloc, not alloca. Free after use.
572 2015-05-18 Mark Wielaard <mjw@redhat.com>
574 * derelocate.c (cache_sections): Allocate temporary newrefs and
575 sortrefs with malloc, not alloca. Always free them on return.
577 2015-05-07 Mark Wielaard <mjw@redhat.com>
579 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
580 Dwarf_Die before interning. Explicitly check EOF is expected.
582 2015-05-05 Mark Wielaard <mjw@redhat.com>
584 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
586 2015-05-06 Roland McGrath <roland@hack.frob.com>
588 * dwfl_error.c (struct msgtable): Break type definition out of
589 the 'msgtable' initializer.
590 (msgtable): Make it a union of struct msgtable and a char array.
591 (msgstr): Use the full-table char array rather than the msg_0 entry.
593 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
595 * core-file.c (_compat_without_executable_dwfl_core_file_report):
596 Guard with SYMBOL_VERSIONING.
597 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
599 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
602 2015-04-02 Mark Wielaard <mjw@redhat.com>
604 * segment.c (insert): Check correct number of lookup_elts.
606 2015-03-31 Mark Wielaard <mjw@redhat.com>
608 * core-file.c (core_file_read_eagerly): Special case small images.
610 2015-01-26 Mark Wielaard <mjw@redhat.com>
612 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
613 syments and first_global on elferr before calling find_dynsym.
615 2014-12-27 Mark Wielaard <mjw@redhat.com>
617 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
618 has end_sequence set.
620 2015-01-04 Mark Wielaard <mjw@redhat.com>
622 * cu.c (intern_cu): Store result and return directly when finding
624 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
626 2014-12-19 Mark Wielaard <mjw@redhat.com>
628 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
630 2014-12-19 Mark Wielaard <mjw@redhat.com>
632 * elf-from-memory.c (handle_segment): Remove palign sanity check.
634 2014-12-18 Mark Wielaard <mjw@redhat.com>
636 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
638 2014-12-13 Mark Wielaard <mjw@redhat.com>
640 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
641 a size_t, make sure it doesn't overflow.
643 2014-12-13 Mark Wielaard <mjw@redhat.com>
645 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
646 wrap around before returning as int.
648 2014-12-11 Josh Stone <jistone@redhat.com>
650 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
651 record <= addr, rather than returning immediately on matches.
653 2014-12-09 Mark Wielaard <mjw@redhat.com>
655 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
658 2014-12-07 Mark Wielaard <mjw@redhat.com>
660 * relocate.c (relocate_section): Sanity check section overlap against
661 actually used ehsize, shentsize and phentsize.
663 2014-12-07 Mark Wielaard <mjw@redhat.com>
665 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
666 * relocate.c (__libdwfl_relocate_value): Don't relocate against
669 2014-11-29 Mark Wielaard <mjw@redhat.com>
671 * relocate.c (relocate_section): Check relocation section and target
672 section data don't overlap any of the ELF headers.
673 (relocate): Check for offset + size overflow.
675 2014-11-22 Mark Wielaard <mjw@redhat.com>
677 * link_map.c (consider_executable): Use elf_getphdrnum.
678 (dwfl_link_map_report): Likewise.
680 2014-11-18 Mark Wielaard <mjw@redhat.com>
682 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
683 number of symbols and first_global before use.
685 2014-11-14 Mark Wielaard <mjw@redhat.com>
687 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
690 2014-11-10 Mark Wielaard <mjw@redhat.com>
692 * dwfl_module_getdwarf.c (find_dynsym): New inner function
693 translate_offs that takes an adjust argument. Try finding
694 the symbol table with and without adjusting to main_bias.
696 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
698 Support NT_FILE for locating files.
699 * core-file.c (dwfl_core_file_report): New variables note_file and
700 note_file_size, set them and pass them to dwfl_segment_report_module.
701 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
702 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
703 (invalid_elf): New function from code of dwfl_segment_report_module.
704 (dwfl_segment_report_module): Add parameters note_file and
705 note_file_size. New variables elf and fd, clean them up in finish.
706 Move some code to invalid_elf. Call handle_file_note, if it found
707 a name verify the file by invalid_elf. Protect elf and fd against
708 cleanup by finish if we found the file for new Dwfl_Module.
709 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
712 2014-09-23 Mark Wielaard <mjw@redhat.com>
714 * dwfl_segment_report_module.c (dwfl_segment_report_module):
715 Extract ei_class, ei_data and e_type early and use the result.
717 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
719 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
720 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
722 * libdwflP.h (struct Dwfl_Module): New field is_executable.
724 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
726 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
728 (find_dynsym): Pass the new parameter main_bias.
730 2014-08-14 Mark Wielaard <mjw@redhat.com>
732 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
734 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
736 Fix report_r_debug for prelinked libraries.
737 * link_map.c (report_r_debug): Comment out variable l_addr.
738 Use instead new variable base recalculated from l_ld.
740 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
742 * linux-pid-attach.c: Make it build on non linux hosts.
744 2014-06-17 Mark Wielaard <mjw@redhat.com>
746 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
747 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
749 2014-06-15 Mark Wielaard <mjw@redhat.com>
751 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
752 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
753 to read possibly unaligned data.
754 (core_next_thread): Likewise.
755 (core_set_initial_registers): Likewise.
756 (dwfl_core_file_attach): Likewise.
758 2014-06-11 Mark Wielaard <mjw@redhat.com>
760 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
761 (dwfl_attach_state): Set dwfl->attacherr.
762 (dwfl_pid): Check and return dwfl->attacherr if set.
763 (dwfl_getthreads): Likewise.
764 (getthread): Likewise.
765 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
766 (struct Dwfl): Add attacherr field.
767 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
768 Don't assert if ELF file is not ET_CORE, just return error.
769 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
771 2014-06-10 Mark Wielaard <mjw@redhat.com>
773 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
774 or dwfl_linux_proc_attach.
776 2014-05-15 Mark Wielaard <mjw@redhat.com>
778 * linux-proc-maps.c (grovel_auxv): Close fd on error.
780 2014-05-02 Mark Wielaard <mjw@redhat.com>
782 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
785 2014-05-01 Mark Wielaard <mjw@redhat.com>
787 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
788 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
789 (__libdwfl_open_by_build_id): New declaration that takes an explicit
791 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
792 we already have the Dwarf then look for the alt dwz multi file by
794 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
795 build-id we are looking for as argument.
796 (__libdwfl_open_mod_by_build_id): New function, calls
797 __libdwfl_open_by_build_id.
798 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
799 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
800 close alt_fd if necessary.
801 * dwfl_module_getdwarf.c (__check_build_id): Removed.
802 (try_debugaltlink): Removed.
803 (open_debugaltlink): Removed.
804 (open_elf_file): First half of open_elf that just opens the elf
805 file but doesn't setup the load address.
806 (open_elf): Call open_elf_file.
807 (find_debug_altlink): New function.
808 (load_dw): Remove loading of dwz multifile.
809 (find_dw): Call find_debug_altlink.
810 * find-debuginfo.c (validate): Handle alt debug case using
811 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
812 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
814 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
815 to store name to find by dwfl_standard_find_debuginfo instead of
816 allocating an extra variable on stack.
818 2014-04-30 Mark Wielaard <mjw@redhat.com>
820 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
821 dwelf_elf_gnu_build_id.c.
822 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
823 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
824 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
825 * dwfl_module_getdwarf.c (__check_build_id): Implement using
826 dwelf_elf_gnu_build_id.
828 2014-04-15 Florian Weimer <fweimer@redhat.com>
830 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
831 (try_debugaltlink): Likewise.
832 (open_debugaltlink): Likewise.
833 (load_dw): Locate alternate debug information using
834 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
836 2014-04-11 Mark Wielaard <mjw@redhat.com>
838 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
839 * libdwflP.h: Include libdwelfP.h.
840 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
841 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
843 2014-04-22 Mark Wielaard <mjw@redhat.com>
845 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
847 (__libdwfl_frame_reg_set): Likewise.
849 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
851 * linux-pid-attach.c: Make linux only.
853 2014-03-14 Mark Wielaard <mjw@redhat.com>
855 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
856 Remove libelf and libdw definitions when MUDFLAP is defined.
857 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
859 2014-03-03 Mark Wielaard <mjw@redhat.com>
861 * elf-from-memory.c (elf_from_remote_memory): Keep track of
862 segments_end_mem. Pass memsz to first handle_segment pass. Only
863 extend contents_size and use shdrs if only file bits are in
866 2014-03-11 Josh Stone <jistone@redhat.com>
868 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
869 mod->e_type when processing the main ELF file.
871 2014-03-04 Mark Wielaard <mjw@redhat.com>
873 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
874 linux-pid-attach.c (struct pid_arg).
875 (__libdwfl_get_pid_arg): New internal function declaration.
876 (__libdwfl_ptrace_attach): Likewise.
877 (__libdwfl_ptrace_detach): Likewise.
878 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
879 special exception modules that cannot be checked at this point.
880 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
881 (ptrace_attach): Renamed to...
882 (__libdwfl_ptrace_attach): New internal function.
883 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
884 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
885 (__libdwfl_get_pid_arg): New internal function.
886 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
887 module name contains "(deleted)" and dwfl_pid gives an attached
888 pid. If pid is set and try to (re)use ptrace attach state of
889 process before reading memory.
891 2014-03-03 Mark Wielaard <mjw@redhat.com>
893 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
894 argument. Free buffer when detecting bad elf. Check PT_LOAD
895 alignment requirements on first handle_segment pass. Calculate
896 loadbase, start and end of segment using pagesize, not p_align.
897 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
898 to elf_from_remote_memory.
900 2014-02-26 Mark Wielaard <mjw@redhat.com>
902 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
904 2014-02-26 Mark Wielaard <mjw@redhat.com>
906 * elf-from-memory.c (elf_from_remote_memory): Check against p64
907 p_type in case ELFCLASS64, not against p32 p_type.
909 2014-01-17 Petr Machata <pmachata@redhat.com>
911 * relocate.c (relocate_section): Use gelf_fsize instead of relying
914 2014-01-05 Mark Wielaard <mjw@redhat.com>
916 * frame_unwind.c (handle_cfi): Only skip resetting return register
917 if the regno is not the actual CIE return address register.
919 2014-01-02 Mark Wielaard <mjw@redhat.com>
921 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
923 2013-12-30 Mark Wielaard <mjw@redhat.com>
925 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
926 dwfl_core_file_attach explicitly.
927 * core-file.c (dwfl_core_file_report): Don't call
928 __libdwfl_attach_state_for_core implicitly.
929 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
930 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
931 process_attach_error.
932 (dwfl_getthreads): Likewise.
933 (getthread): Likewise.
934 * libdwfl.h (dwfl_core_file_report): Update documentation.
935 (dwfl_linux_proc_report): Likewise.
936 (dwfl_core_file_attach): New function declaration.
937 (dwfl_linux_proc_attach): Likewise.
938 * libdwflP.h (struct Dwfl): Remove process_attach_error.
939 (__libdwfl_attach_state_for_pid): Removed declaration.
940 (__libdwfl_attach_state_for_core): Likewise.
941 (dwfl_core_file_attach): New internal declaration.
942 (dwfl_linux_proc_attach): Likewise.
943 (attach_state_for_core): Renamed to...
944 (dwfl_core_file_attach): ...this. Change return type.
945 (__libdwfl_attach_state_for_core): Removed.
946 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
947 (pid_set_initial_registers): Check assume_ptrace_stopped before
949 (pid_thread_detach): Likewise.
950 (__libdwfl_attach_state_for_pid): Renamed to...
951 (dwfl_linux_proc_attach): ...this. Adjust return type.
952 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
953 __libdwfl_attach_state_for_pid implicitly.
955 2013-12-28 Mark Wielaard <mjw@redhat.com>
957 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
958 character device files, only regular files.
960 2013-12-24 Mark Wielaard <mjw@redhat.com>
962 * linux-core-attach.c (core_next_thread): Check whether thread_argp
963 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
964 in that case. Free thread_arg if there are no more threads.
966 2013-12-23 Mark Wielaard <mjw@redhat.com>
968 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
969 build_id before returning early.
971 2013-12-23 Mark Wielaard <mjw@redhat.com>
973 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
974 pid (thread group leader) to dwfl_attach_state.
976 2013-12-21 Mark Wielaard <mjw@redhat.com>
978 * frame_unwind.c (handle_cfi): Track whether the return register
979 has been set and only allow it to be set once.
981 2013-12-20 Mark Wielaard <mjw@redhat.com>
983 * dwfl_frame.c (one_arg): New struct.
984 (get_one_thread_cb): New function.
985 (dwfl_getthread): Likewise.
986 (one_thread): New struct.
987 (get_one_thread_frames_cb): New function.
988 (dwfl_getthread_frames): Likewise.
989 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
990 (dwfl_getthread_frames): Likewise.
991 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
992 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
994 * linux-pid-attach.c (pid_getthread): New function.
995 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
997 2013-12-20 Mark Wielaard <mjw@redhat.com>
999 * linux-kernel-modules.c (report_kernel_archive): Correct nested
1000 asprintf result check for debug.a.
1002 2013-12-18 Mark Wielaard <mjw@redhat.com>
1004 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
1005 * dwfl_module_addrname.c (dwfl_module_addrname): Use
1006 dwfl_module_addrinfo.
1007 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
1008 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
1009 for comparisons, not st_value. Fill in off. Search for both value
1010 and the (adjusted) sym.st_value when different.
1011 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
1012 (dwfl_module_addrinfo): New function.
1013 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
1014 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
1015 and possible. Adjust sym->st_value only when requested. Fill in addr
1017 (dwfl_module_getsym_info): New function.
1018 (dwfl_module_getsym): Use __libdwfl_getsym.
1019 * libdwfl.h (dwfl_module_getsym_elf): Removed.
1020 (dwfl_module_getsym_info): New function declaration.
1021 (dwfl_module_addrinfo): Likewise.
1022 (dwfl_module_addrsym): Add documentation describing differences
1023 with addrinfo variants.
1024 (dwfl_module_addrsym_elf): Removed.
1025 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
1026 (__libdwfl_addrsym): Likewise.
1027 (__libdwfl_find_section_ndx): Likewise.
1028 (dwfl_module_addrinfo): New internal declaration.
1029 (dwfl_module_getsym_info): Likewise.
1030 (dwfl_module_addrsym_elf): Removed.
1031 (dwfl_module_getsym_elf): Likewise.
1033 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1035 * argp-std.c (offline_find_elf): Remove.
1036 (offline_callbacks): Use dwfl_build_id_find_elf instead.
1037 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
1040 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1042 unwinder: s390 and s390x
1043 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
1044 * frame_unwind.c (new_unwound): New function from ...
1045 (handle_cfi): ... here. Call it.
1046 (setfunc, getfunc, readfunc): New functions.
1047 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
1048 * linux-core-attach.c (core_set_initial_registers): Always iterate
1049 through the Ebl_Register_Location loop. Call
1050 dwfl_thread_state_register_pc there.
1052 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1054 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
1056 2013-12-17 Mark Wielaard <mjw@redhat.com>
1058 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
1061 2013-12-16 Mark Wielaard <mjw@redhat.com>
1063 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
1065 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
1067 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1068 function definition.
1069 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1071 2013-12-14 Mark Wielaard <mjw@redhat.com>
1073 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1074 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1075 * frame_unwind.c (handle_cfi): Free frame result from
1076 dwarf_cfi_addrframe when done.
1078 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1080 unwinder: ppc and ppc64
1081 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1082 Call ebl_dwarf_to_regno.
1083 * linux-core-attach.c (core_set_initial_registers): Implement
1084 pc_register support.
1085 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1088 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1090 Introduce process_attach_error.
1091 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1092 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1094 * libdwflP.h (struct Dwfl): New field process_attach_error.
1095 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1096 (attach_state_for_core): ... here, make it static, change return type,
1097 no longer use __libdwfl_seterrno.
1098 (__libdwfl_attach_state_for_core): New wrapper for it.
1100 2013-11-27 Mark Wielaard <mjw@redhat.com>
1102 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1103 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1104 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1105 instead of tracking dwfl_files.
1106 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1107 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1108 new elfp and biasp arguments. Track elf instead of file.
1109 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1110 dwfl_module_info.c (dwfl_module_info): Pass elf to
1111 dwfl_adjusted_st_value.
1112 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1113 (dwfl_module_getsym_elf): New function declaration.
1114 (dwfl_module_addrsym_elf): Likewise.
1115 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1116 (dwfl_module_getsym_elf): Likewise.
1117 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1118 (dwfl_deadjust_st_value): Likewise.
1119 (__libdwfl_module_getsym): Removed.
1120 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1122 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1124 Fix non-build-id core files on build-id system.
1125 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1126 be read from memory.
1128 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1130 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1131 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1132 content, if possible.
1134 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1136 link_map: Use proper bias, not l_addr.
1137 * core-file.c (dynamic_vaddr_get): Rename to ...
1138 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1140 (dwfl_core_file_report): Update name in the caller.
1141 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1142 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1143 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1144 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1146 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1148 Compatibility with older kernels such as RHEL-6.
1149 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1150 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1151 (pid_set_initial_registers): Pass tid_was_stopped.
1152 (pid_thread_detach): Use tid_was_stopped.
1154 2013-11-18 Josh Stone <jistone@redhat.com>
1156 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1157 (find_aux_sym): Use it.
1159 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1161 Code cleanup: Remove const in prototype
1162 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1164 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1165 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1167 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1169 Fix dwfl_attach_state machine->elf.
1170 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1171 Call ebl_openbackend instead of ebl_openbackend_machine.
1172 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1173 Update the function description.
1174 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1176 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1179 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1181 Provide __libdwfl_module_getsym to get dwfl_file *.
1182 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1183 (dwfl_module_addrsym) (search_table): New variable file. Use
1184 __libdwfl_module_getsym. Use file.
1185 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1186 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1187 (dwfl_module_getsym): New wrapper.
1188 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1190 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1192 Fix dwfl_module_addrsym for minidebuginfo.
1193 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1195 (dwfl_module_addrsym) (same_section): Use it.
1196 (dwfl_module_addrsym) (i_to_symfile): New function.
1197 (dwfl_module_addrsym) (search_table): Use it.
1199 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1200 Mark Wielaard <mjw@redhat.com>
1202 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1203 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1205 * core-file.c (dwfl_core_file_report): Call
1206 __libdwfl_attach_state_for_core.
1207 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1208 * dwfl_frame.c: New file.
1209 * frame_unwind.c: New file.
1210 * dwfl_frame_pc.c: New file.
1211 * linux-pid-attach.c: New file.
1212 * linux-core-attach.c: New file.
1213 * dwfl_frame_regs.c: New file.
1214 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1215 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1216 (Dwfl_Thread_Callbacks): New definition.
1217 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1218 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1219 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1220 (dwfl_frame_pc): New declarations.
1221 * libdwflP.h (Dwfl_Process): New typedef.
1222 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1223 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1224 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1225 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1226 (struct Dwfl): New entry process.
1227 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1228 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1229 (__libdwfl_process_free, __libdwfl_frame_unwind)
1230 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1231 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1232 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1233 (dwfl_frame_thread, dwfl_thread_state_registers)
1234 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1235 (dwfl_frame_pc): New INTDECL entries.
1236 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1237 __libdwfl_attach_state_for_pid.
1238 * segment.c (segment_start): Rename to ...
1239 (__libdwfl_segment_start): ... here and make it internal_function.
1240 (segment_end): Rename to ...
1241 (__libdwfl_segment_end): ... here and make it internal_function.
1242 (reify_segments, dwfl_report_segment): Rename them at the callers.
1244 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1246 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1248 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1250 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1251 retval. Fix one forgotten LISTED increase.
1253 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1255 Fix core files for re-prelink-ed files.
1256 * core-file.c (dynamic_vaddr_get): New function.
1257 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1258 dynamic_vaddr_get instead of using L_ADDR.
1259 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1260 * link_map.c (report_r_debug): Do not initialize l_addr.
1262 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1265 * core-file.c (dwfl_core_file_report): Reindent block of code by
1268 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1270 * argp-std.c (parse_opt): Use executable parameter of
1271 dwfl_core_file_report.
1272 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1273 it to DWFL. Add NEW_VERSION for it.
1274 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1275 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1276 the function comment.
1278 2013-10-15 Mark Wielaard <mjw@redhat.com>
1280 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1282 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1284 2013-09-12 Mark Wielaard <mjw@redhat.com>
1286 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1288 2013-09-12 Mark Wielaard <mjw@redhat.com>
1290 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1293 2013-09-12 Mark Wielaard <mjw@redhat.com>
1295 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1296 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1298 2013-08-25 Mark Wielaard <mjw@redhat.com>
1300 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1303 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1305 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1306 conflicts all the modules, not just the first one. Compare L_LD if it
1307 is equal, not if it is in a module address range.
1309 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1311 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1313 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1315 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1316 (dwfl_core_file_report): Call __libdwfl_report_elf for
1317 R_DEBUG_INFO.MODULE.
1318 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1320 (__libdwfl_report_elf): ... this function. Call it.
1321 * dwfl_segment_report_module.c: Include unistd.h.
1322 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1323 Clear MODULE if it has no build-id and we have segment with build-id.
1324 Ignore this segment only if MODULE still contains valid ELF.
1325 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1326 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1327 and disk_file_has_build_id.
1328 (dwfl_link_map_report): Extend the comment.
1329 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1330 r_debug_info_module. Initialize also the new r_debug_info_module
1331 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1332 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1334 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1336 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1338 2013-07-02 Mark Wielaard <mjw@redhat.com>
1340 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1342 2013-06-05 Mark Wielaard <mjw@redhat.com>
1344 * link_map.c (report_r_debug): Always call release_buffer after
1345 memory_callback succeeded reading build_id.
1347 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1349 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1350 executable_for_core before calling dwfl_core_file_report.
1351 * core-file.c (clear_r_debug_info): New function.
1352 (dwfl_core_file_report): Move raw segments reporting lower. New
1353 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1354 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1355 * dwfl_module_build_id.c (check_notes): Move into
1356 __libdwfl_find_elf_build_id.
1357 (__libdwfl_find_build_id): Rename to ...
1358 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1359 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1360 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1361 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1362 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1363 adjust its data_elfaddr parameter.
1364 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1365 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1366 parameter r_debug_info. New variable name_is_final. Adjust addresses
1367 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1368 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1369 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1370 (struct r_debug_info_module, struct r_debug_info): New definitions.
1371 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1373 * link_map.c: Include fcntl.h.
1374 (report_r_debug): Add parameter r_debug_info, describe it in the
1375 function comment. Delete dwfl_addrmodule call and its dependent code.
1376 Verify build-id before calling dwfl_report_elf, also supply
1377 executable_for_core to it. Store r_debug_info->module info when
1379 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1380 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1383 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1385 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1386 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1387 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1388 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1390 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1392 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1393 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1394 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1395 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
1397 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
1399 2013-04-27 Mark Wielaard <mjw@redhat.com>
1401 * link_map.c: #include system.h.
1403 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1405 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
1406 them to lib/system.h.
1408 2013-04-24 Mark Wielaard <mjw@redhat.com>
1410 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1412 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1414 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
1416 2013-03-12 Mark Wielaard <mjw@redhat.com>
1418 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
1420 2013-02-22 Mark Wielaard <mjw@redhat.com>
1422 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
1423 as DWFL_E_BADELF when not used.
1425 2013-02-10 Mark Wielaard <mjw@redhat.com>
1427 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
1428 failure messages When handling ARGP_KEY_SUCCESS because arg will
1431 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1433 * linux-proc-maps.c: Include system.h.
1434 (PROCEXEFMT, get_pid_class): New.
1435 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
1438 2013-01-23 Mark Wielaard <mjw@redhat.com>
1440 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one
1441 from aux_syments by default.
1442 (find_symtab): Also succeed when only aux_symdata is found.
1443 When no symtab is found always try to load auxiliary table.
1444 (dwfl_module_getsymtab): Substract one from result when both
1445 tables have symbols.
1446 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
1447 zero entry when both tables have symbols.
1448 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract
1449 one from first_global when both tables have symbols.
1451 2013-01-16 Mark Wielaard <mjw@redhat.com>
1453 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
1454 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
1455 (dwfl_adjusted_aux_sym_addr): New function.
1456 (dwfl_deadjust_aux_sym_addr): Likewise.
1457 (dwfl_adjusted_st_value): Take and check symfile argument.
1458 (dwfl_deadjust_st_value): Likewise.
1459 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
1460 use dwfl_file as argument to set address_sync.
1461 (find_debuginfo): Call find_prelink_address_sync with debug file.
1462 (find_aux_sym): New function.
1463 (find_symtab): Use find_aux_sym if all we have is the dynsym table
1464 and fill in aux DwflModule fields.
1465 (dwfl_module_getsymtab): Return syments plus aux_syments.
1466 (load_symtab): Always set first_global.
1467 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
1468 when using same_section. Calculate first_global based on both
1469 mod->first_global and mod->aux_first_global.
1470 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
1471 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
1472 to retrieve symbol and name if necessary, making sure all locals
1473 from any table come before any globals.
1474 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
1476 * relocate.c (resolve_symbol): Likewise.
1478 2013-01-07 Roland McGrath <roland@hack.frob.com>
1480 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
1481 still assume the data is at least 32-bit aligned anyway.
1482 (dwfl_link_map_report): Handle unaligned auxv data.
1484 2012-12-11 Mark Wielaard <mjw@redhat.com>
1486 * linux-kernel-modules.c (report_kernel): Only free fname if
1487 find_kernel_elf succeeds and allocates it.
1488 (report_kernel_archive): Fix brackets around unlikely expression.
1490 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
1492 * argp-std.c: Update Copyright year.
1493 (offline_find_elf): New function.
1494 (offline_callbacks): Use it for find_elf.
1495 (struct parse_opt): New.
1496 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
1497 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
1498 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
1499 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
1500 final state->input initialization optional.
1501 * dwfl_end.c: Update Copyright year.
1502 (dwfl_end): Free executable_for_core.
1503 * libdwflP.h: Update Copyright year.
1504 (struct Dwfl): New field executable_for_core.
1506 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1508 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
1511 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1513 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
1515 (__libdwfl_getelf): ... here. Call it.
1517 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1519 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
1521 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1523 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1524 Initialize mod->MAIN_BIAS.
1526 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1528 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
1529 binding_value. Use it for both zero and non-zero size symbols
1532 2012-10-01 Mark Wielaard <mjw@redhat.com>
1534 * cu.c (cudie_offset): Don't use type_sig8, it might not be
1535 initialized and these are always real CUs, never TUs.
1537 2012-10-01 Mark Wielaard <mjw@redhat.com>
1539 * derelocate.c (find_section): Check next section exists before
1542 2012-08-01 Petr Machata <pmachata@redhat.com>
1544 * offline.c (process_archive_member): Ignore entry "/SYM64/".
1546 2012-03-28 Roland McGrath <roland@hack.frob.com>
1548 * dwfl_segment_report_module.c
1549 (dwfl_segment_report_module: read_portion): Don't use existing buffer
1550 when FILESZ is zero (string mode) and available portion doesn't hold
1551 a terminated string.
1553 2011-12-02 Roland McGrath <roland@hack.frob.com>
1555 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
1556 to use elf64_xlatetom and PHDRS.p64.
1557 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
1559 2011-11-31 Mark Wielaard <mjw@redhat.com>
1561 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
1562 global symbols. Then only when that doesn't provide a match search
1563 all local symbols too.
1564 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
1566 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
1567 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
1569 2011-11-31 Mark Wielaard <mjw@redhat.com>
1571 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
1572 sizeless_sym if needed and closer to desired addr.
1574 2011-10-20 Mark Wielaard <mjw@redhat.com>
1576 * derelocate.c (cache_sections): Intern mod->reloc_info check.
1577 (dwfl_module_relocations): Don't check mod->reloc_info.
1578 (dwfl_module_relocation_info): Likewise.
1579 (find_section): Likewise.
1581 2011-07-09 Roland McGrath <roland@hack.frob.com>
1583 * image-header.c (LE32): Macro removed (now in lib/system.h).
1585 2011-04-11 Mark Wielaard <mjw@redhat.com>
1587 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
1588 by check for zlib, bzlib or lzma defines to check it isn't empty.
1589 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
1591 2011-03-08 Roland McGrath <roland@redhat.com>
1593 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
1594 Reported by Kurt Roeckx <kurt@roeckx.be>.
1596 2011-02-11 Roland McGrath <roland@redhat.com>
1598 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
1599 suffixes if corresponding decompression support is enabled.
1601 2011-02-01 Roland McGrath <roland@redhat.com>
1603 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
1604 section-end address as the synchronization point, rather than sh_addr.
1606 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
1607 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
1609 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
1610 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
1612 2011-01-11 Roland McGrath <roland@redhat.com>
1614 * dwfl_module_getdwarf.c (open_elf): Remove section-based
1615 address_sync fixup from here.
1616 (find_prelink_address_sync): New function.
1617 (find_debuginfo): Call it.
1618 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
1620 2011-01-04 Roland McGrath <roland@redhat.com>
1622 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
1623 logic to consider section addresses, the better to survive all the
1624 possible prelink machinations.
1625 * libdwflP.h (struct dwfl_file): Comment change.
1627 2010-11-30 Roland McGrath <roland@redhat.com>
1629 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
1631 2010-11-12 Roland McGrath <roland@redhat.com>
1633 * libdwflP.h (struct Dwfl_Module): New member main_bias.
1634 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
1635 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
1637 * libdwflP.h (dwfl_deadjust_address): New function.
1638 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
1639 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
1640 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
1642 2010-11-11 Roland McGrath <roland@redhat.com>
1644 * libdwflP.h (struct dwfl_file): Remove bias member.
1645 Add vaddr and address_sync members instead.
1646 (dwfl_adjusted_address): Calculate using vaddr.
1647 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
1648 (dwfl_adjusted_st_value): Use one of those calls.
1649 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
1650 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1651 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
1652 * link_map.c (consider_executable): Adjust only MOD->low_addr for
1653 detected PIE bias change.
1655 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
1656 * dwfl_module_info.c: Use it.
1657 * cu.c (addrarange): Likewise.
1658 * dwfl_dwarf_line.c: Likewise.
1659 * dwfl_module_dwarf_cfi.c: Likewise.
1660 * dwfl_lineinfo.c: Likewise.
1661 * dwfl_nextcu.c: Likewise.
1662 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
1664 * libdwflP.h (dwfl_adjusted_st_value): New function.
1665 * relocate.c (resolve_symbol): Use it.
1666 * dwfl_module_getsym.c: Likewise.
1667 * dwfl_module_addrsym.c: Likewise.
1668 * dwfl_module_info.c: Likewise.
1670 * libdwflP.h (dwfl_adjusted_address): New function.
1671 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
1672 * relocate.c (__libdwfl_relocate_value): Likewise.
1673 * derelocate.c (cache_sections): Likewise.
1674 (dwfl_module_address_section): Likewise.
1675 * dwfl_module_getelf.c: Likewise.
1676 * dwfl_module_eh_cfi.c: Likewise.
1677 * link_map.c (consider_executable): Likewise.
1679 2010-08-24 Roland McGrath <roland@redhat.com>
1681 * dwfl_dwarf_line.c: New file.
1682 * Makefile.am (libdwfl_a_SOURCES): Add it.
1684 2010-08-18 Roland McGrath <roland@redhat.com>
1686 * link_map.c (report_r_debug): Use found name if we have no name,
1687 even if we already have an Elf handle.
1689 2010-06-30 Roland McGrath <roland@redhat.com>
1691 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
1692 confused by -1 return from dwfl_build_id_find_elf after it opened
1694 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
1695 dwfl_build_id_find_debuginfo.
1697 2010-06-16 Roland McGrath <roland@redhat.com>
1699 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
1701 2010-06-14 Roland McGrath <roland@redhat.com>
1703 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
1704 candidate file to that st_dev/st_ino and pretend it didn't exist
1706 (find_debuginfo_in_path): Update caller, pass main file's info.
1708 2010-05-20 Roland McGrath <roland@redhat.com>
1710 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
1711 (grovel_auxv): ... this. Take DWFL argument.
1712 (dwfl_linux_proc_report): Update caller.
1714 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
1715 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
1717 2010-05-19 Roland McGrath <roland@redhat.com>
1719 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
1721 2010-05-06 Roland McGrath <roland@redhat.com>
1723 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
1725 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
1726 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
1727 ID but we didn't find a file.
1728 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
1729 and refuse any fallback file-by-name if it lacks the matching ID.
1731 * dwfl_error.c (dwfl_errno): Add INTDEF.
1732 * libdwflP.h: Add INTDECL.
1734 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
1737 2010-05-04 Roland McGrath <roland@redhat.com>
1739 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
1740 ET_DYN that has a DT_DEBUG.
1742 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
1744 * segment.c (insert): Fix moving of values following insertion.
1745 (reify_segments): Fix up MOD->segment backpointer indices after
1746 later insertions in the main loop invalidate them.
1748 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
1749 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
1751 * core-file.c (dwfl_core_file_report): Return any nonzero count of
1752 modules reported, even if link_map grovelling failed and only sniffing
1755 2010-04-26 Roland McGrath <roland@redhat.com>
1757 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
1758 Works around probably-wrong ld -r behavior for case of a DWARF address
1759 constant that refers to a discarded SHF_ALLOC section.
1761 2010-04-14 Roland McGrath <roland@redhat.com>
1763 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
1764 an upper bound on sane possible number of elements.
1766 2010-03-11 Roland McGrath <roland@redhat.com>
1768 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
1769 the second half for 32-bit matches.
1771 2010-03-10 Roland McGrath <roland@redhat.com>
1773 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
1774 * argp-std.c (parse_opt): Update caller.
1775 * libdwfl.h: Declare dwfl_core_file_report.
1776 * libdwflP.h: Don't.
1778 2010-02-17 Roland McGrath <roland@redhat.com>
1780 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
1781 If set, find the first index not below ADDR.
1782 (dwfl_segment_report_module): Update callers.
1783 Pass true when calculating return value.
1785 2010-02-15 Roland McGrath <roland@redhat.com>
1787 * Makefile.am: Use config/eu.am for common stuff.
1789 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
1790 variable in failure path.
1792 2010-02-02 Mark Wielaard <mjw@redhat.com>
1794 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
1795 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
1797 2010-01-07 Roland McGrath <roland@redhat.com>
1799 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
1800 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1801 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
1802 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1804 2010-01-06 Roland McGrath <roland@redhat.com>
1806 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
1807 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
1809 2009-11-16 Roland McGrath <roland@redhat.com>
1811 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
1813 2009-11-12 Petr Machata <pmachata@redhat.com>
1815 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
1816 the chunk is both offset-contiguous and vaddr-contiguous.
1818 2009-11-05 Roland McGrath <roland@redhat.com>
1820 * link_map.c (report_r_debug): Skip entries with l_ld==0.
1821 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
1823 2009-09-04 Roland McGrath <roland@redhat.com>
1825 * image-header.c (__libdw_image_header): Fix tranposed comparison.
1827 2009-08-27 Roland McGrath <roland@redhat.com>
1829 * image-header.c: New file.
1830 * Makefile.am (libdwfl_a_SOURCES): Add it.
1831 * libdwflP.h: Declare __libdw_image_header.
1832 * open.c (decompress): Don't consume ELF on failure.
1833 (what_kind): New function, broken out of ...
1834 (__libdw_open_file): ... here. Call it.
1835 If it fails, try __libdw_image_header and then try what_kind again.
1837 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
1838 leave it behind for next decompressor.
1839 * open.c (decompress): Free BUFFER on failure.
1841 2009-08-26 Roland McGrath <roland@redhat.com>
1843 * gzip.c (find_zImage_payload): New function, broken out of ...
1844 (mapped_zImage): ... here. Call it.
1845 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
1846 stupid method of just trying the decoder.
1848 * open.c [USE_LZMA]: Try __libdw_unlzma.
1849 * libdwflP.h: Declare it.
1850 (DWFL_ERRORS): Add DWFL_E_LZMA.
1851 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
1853 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
1855 * gzip.c (mapped_zImage): Limit scan to 32kb.
1856 Make this unconditional, support bzip2 kernel images too.
1857 (unzip): Use direct inflate method for non-mmap case too.
1858 Only zlib uses the stream method.
1860 2009-08-09 Roland McGrath <roland@redhat.com>
1862 * dwfl_module_build_id.c: Use new macros for versioned definitions.
1864 2009-07-08 Roland McGrath <roland@redhat.com>
1866 * dwfl_module_dwarf_cfi.c: New file.
1867 * dwfl_module_eh_cfi.c: New file.
1868 * Makefile.am (libdwfl_a_SOURCES): Add them.
1869 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
1870 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
1872 2009-07-08 Roland McGrath <roland@redhat.com>
1874 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
1876 2009-06-18 Mark Wielaard <mjw@redhat.com>
1878 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
1880 2009-06-13 Ulrich Drepper <drepper@redhat.com>
1882 * derelocate.c: Don't use deprecated libelf functions.
1883 * dwfl_module_getdwarf.c: Likewise.
1884 * relocate.c: Likewise.
1886 2009-04-23 Ulrich Drepper <drepper@redhat.com>
1888 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
1889 defined. Otherwise just define the latest version.
1891 2009-04-22 Roland McGrath <roland@redhat.com>
1893 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
1894 a non-ET_REL module.
1896 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
1897 adjust properly for non-ET_REL.
1899 2009-04-21 Roland McGrath <roland@redhat.com>
1901 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
1903 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
1904 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
1906 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1908 2009-04-20 Roland McGrath <roland@redhat.com>
1910 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
1912 2009-04-19 Roland McGrath <roland@redhat.com>
1914 * dwfl_module_getdwarf.c (find_file): Renamed to ...
1915 (__libdwfl_getelf): ... this. Make it global.
1916 (find_symtab, find_dw): Update callers.
1917 (dwfl_module_getelf): Functions moved ...
1918 * dwfl_module_getelf.c: ... here, new file.
1919 * Makefile.am (libdwfl_a_SOURCES): Add it.
1920 * libdwflP.h: Declare __libdwfl_getelf.
1922 2009-04-14 Roland McGrath <roland@redhat.com>
1924 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
1925 absolute (already adjusted in place) or needing load bias adjustment.
1927 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
1928 gelf_getphdr failure. Fix file size limit checks.
1930 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
1932 2009-04-08 Roland McGrath <roland@redhat.com>
1934 * dwfl_module_getsym.c: Don't adjust for bias again after
1935 __libdwfl_relocate_value.
1937 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
1938 a non-SHF_ALLOC section.
1939 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
1940 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
1942 2009-03-09 Roland McGrath <roland@redhat.com>
1944 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
1945 variable to outer scope, so we cache it for the loop.
1947 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
1949 2009-02-12 Roland McGrath <roland@redhat.com>
1951 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
1952 __libdwfl_relocate_value to find correct sh_addr value.
1954 2009-02-10 Roland McGrath <roland@redhat.com>
1956 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
1957 If false, don't fail for NO_PHDR.
1958 (dwfl_report_elf): Update caller.
1959 * libdwflP.h: Update decl.
1960 * offline.c (process_elf): Call it with false, so we don't refuse
1961 dubiously-formed objects here.
1963 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
1964 finds our module. We shouldn't crash when we confuse some guesses.
1966 2009-02-10 Ulrich Drepper <drepper@redhat.com>
1968 * open.c (decompress): Avoid crash with empty input file.
1970 2009-01-27 Roland McGrath <roland@redhat.com>
1972 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
1973 with zero vaddr and memsz.
1975 2009-01-22 Roland McGrath <roland@redhat.com>
1977 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
1979 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
1980 after address-matching loop.
1982 * segment.c (lookup): Fix fencepost in checking for HINT match.
1984 2009-01-14 Roland McGrath <roland@redhat.com>
1986 * gzip.c [!BZLIB] (mapped_zImage): New function.
1987 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
1989 2009-01-10 Ulrich Drepper <drepper@redhat.com>
1991 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
1993 2009-01-08 Roland McGrath <roland@redhat.com>
1995 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
1996 Skip subdirectory named "source".
1997 (dwfl_linux_kernel_find_elf): Likewise.
1999 2009-01-06 Roland McGrath <roland@redhat.com>
2001 * linux-kernel-modules.c (check_suffix): New function.
2002 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
2003 (dwfl_linux_kernel_report_offline): Use it.
2004 (dwfl_linux_kernel_find_elf): Likewise.
2006 2009-01-05 Roland McGrath <roland@redhat.com>
2008 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
2009 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
2010 * dwfl_build_id_find_elf.c: Likewise.
2011 * dwfl_module_getdwarf.c (open_elf): Likewise.
2012 * dwfl_report_elf.c: Likewise.
2013 * find-debuginfo.c (validate): Likewise.
2014 * offline.c (__libdwfl_report_offline): Likewise.
2016 * libdwflP.h: Declare __libdw_open_file.
2018 * Makefile.am (libdwfl_a_SOURCES): Add it.
2021 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
2022 * bzip2.c: New file.
2023 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
2024 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
2026 2008-12-16 Roland McGrath <roland@redhat.com>
2028 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
2029 symver magic to bind to ELFUTILS_0.138.
2030 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
2031 wrapper for ELFUTILS_0.130 version set.
2033 2008-12-18 Roland McGrath <roland@redhat.com>
2035 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
2036 addresses are taken as relative to MOD->low_addr.
2038 2008-12-15 Roland McGrath <roland@redhat.com>
2040 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2043 2008-12-11 Roland McGrath <roland@redhat.com>
2045 * offline.c (process_archive): Don't call elf_end and close if
2046 returning NULL. Check first elf_begin call and set error code
2047 specially for empty archive.
2050 2008-12-02 Roland McGrath <roland@redhat.com>
2052 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2054 2008-11-26 Roland McGrath <roland@redhat.com>
2056 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
2057 return value, and interpret encoded OFFSET argument.
2059 2008-10-07 Roland McGrath <roland@redhat.com>
2061 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2063 2008-09-29 Roland McGrath <roland@redhat.com>
2065 * segment.c (insert): Must realloc DWFL->lookup_module here too.
2066 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2068 2008-08-28 Roland McGrath <roland@redhat.com>
2070 * segment.c (reify_segments): Fix last change.
2072 2008-08-27 Roland McGrath <roland@redhat.com>
2074 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2075 failure from pread64.
2077 2008-08-26 Roland McGrath <roland@redhat.com>
2079 * segment.c (reify_segments): Insert a trailing segment for a module
2080 end that is above the highest current segment.
2082 2008-08-25 Roland McGrath <roland@redhat.com>
2084 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2085 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2086 if FILE->elf is not ELF_K_ELF.
2088 * dwfl_segment_report_module.c: Add a cast.
2090 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2092 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2093 which decides which symbol is "closest" to a given address.
2095 2008-08-15 Roland McGrath <roland@redhat.com>
2097 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2098 (options, parse_opt): Handle --core.
2100 * core-file.c: New file.
2101 * Makefile.am (libdwfl_a_SOURCES): Add it.
2102 * libdwflP.h (dwfl_core_file_report): Declare it.
2104 * link_map.c: New file.
2105 * Makefile.am (libdwfl_a_SOURCES): Add it.
2106 * libdwflP.h (dwfl_link_map_report): Declare it.
2108 * libdwflP.h (MIN, MAX): New macros.
2109 (Dwfl_Memory_Callback): New typedef.
2110 (Dwfl_Module_Callback): New typedef.
2111 (dwfl_segment_report_module): Declare it.
2112 * dwfl_segment_report_module.c: New file.
2113 * Makefile.am (libdwfl_a_SOURCES): Add it.
2115 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2116 * libdwflP.h: Add INTDECL.
2118 * segment.c: New file.
2119 * Makefile.am (libdwfl_a_SOURCES): Add it.
2120 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2121 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2122 lookup_addr, lookup_module, lookup_segndx, replace removed members
2124 (struct Dwfl_Module): New member segment.
2125 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2126 to each free module.
2127 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2128 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2129 (dwfl_report_module): Don't touch DWFL->nmodules.
2130 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2131 (compare_modules): Function removed.
2132 * dwfl_getmodules.c: Rewritten.
2134 * libdwflP.h: Add INTDECLs.
2135 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2136 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2138 2008-08-03 Roland McGrath <roland@redhat.com>
2140 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2142 2008-07-17 Roland McGrath <roland@redhat.com>
2144 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2145 zero if the failure was only ENOENT.
2147 2008-06-03 Roland McGrath <roland@redhat.com>
2149 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2152 2008-05-22 Petr Machata <pmachata@redhat.com>
2154 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2156 2008-05-06 Roland McGrath <roland@frob.com>
2158 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2159 FTS_LOGICAL here too.
2160 (dwfl_linux_kernel_find_elf): Likewise.
2162 2008-04-29 Roland McGrath <roland@redhat.com>
2164 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2165 based on canonicalize_file_name if it differs from the supplied name.
2167 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2170 2008-04-27 Roland McGrath <roland@redhat.com>
2172 * linux-kernel-modules.c (report_kernel): Fix crash when
2173 dwfl_report_elf fails.
2175 2008-04-05 Roland McGrath <roland@redhat.com>
2177 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2179 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2180 Clear it after freeing.
2181 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2183 2008-03-26 Roland McGrath <roland@redhat.com>
2185 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2186 SHT_DYNSYM, just set *SYMSCN like the comment says.
2188 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2190 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2192 2008-03-19 Roland McGrath <roland@redhat.com>
2194 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2196 2008-03-01 Roland McGrath <roland@redhat.com>
2198 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2199 prototype to avoid older compiler's complaint about reuse of the name.
2200 (__libdwfl_canon_error): Likewise.
2202 2008-02-19 Roland McGrath <roland@redhat.com>
2204 * relocate.c (relocate_section): Check for an unhandled relocation
2205 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2206 DWFL_E_UNKNOWN_MACHINE check out of loops.
2208 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2209 DEBUGFILE->relocated is already set.
2211 2008-01-26 Roland McGrath <roland@redhat.com>
2213 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2215 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2216 incoming *FILE_NAME at the start.
2218 2008-01-08 Roland McGrath <roland@redhat.com>
2220 * Makefile.am (euinclude): Variable removed.
2221 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2223 2007-10-23 Roland McGrath <roland@redhat.com>
2225 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2226 module to appear first.
2228 2007-10-20 Roland McGrath <roland@redhat.com>
2230 * offline.c (process_archive_member): Take FD argument, pass it down
2231 to process_file. Return Elf_Cmd, not bool.
2232 Call elf_next here, always before elf_end.
2233 (process_archive): Update caller. Don't close FD here unless there
2236 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2238 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2239 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2240 partial relocation to one or both files.
2241 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2242 relocations have been applied to the debug file if dwfl_module_getelf
2243 has been used before.
2245 * relocate.c (resolve_symbol): New function.
2246 (relocate_section): Call it.
2248 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2249 (relocate_section): Take new bool arg, PARTIAL. If true,
2250 no error for BADRELTYPE/RELUNDEF, instead just skip them
2251 and leave only those skipped relocs behind the reloc section.
2252 (__libdwfl_relocate_section): Take new arg, pass it down.
2253 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2254 do partial relocation on all sections.
2255 * dwfl_module_getdwarf.c (load_dw): Update caller.
2256 * libdwflP.h: Update decls.
2257 * derelocate.c (dwfl_module_address_section): Pass new argument
2258 to __libdwfl_relocate_section, true.
2260 * derelocate.c (cache_sections): Don't cache reloc sections when
2261 section_address callback is null.
2263 2007-10-19 Roland McGrath <roland@redhat.com>
2265 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2267 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2268 (struct secref): Likewise.
2269 (cache_sections): Cache the relocation section referring to each
2270 section we cache, if any.
2271 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2274 * relocate.c (struct reloc_symtab_cache): New type.
2275 (relocate_getsym): Use it instead of four arguments.
2276 (__libdwfl_relocate): Update caller.
2277 (relocate_section): New function, broken out of ...
2278 (__libdwfl_relocate): ... here.
2279 (__libdwfl_relocate_section): New function.
2280 * libdwflP.h: Declare it.
2282 2007-10-17 Roland McGrath <roland@redhat.com>
2284 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2285 to relocated st_value.
2287 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2290 2007-10-16 Roland McGrath <roland@redhat.com>
2292 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2293 section has larger alignment requirements not met by the original BASE,
2294 rather than padding more between sections.
2296 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2298 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2301 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2302 at zero in ET_REL case. Adjust BASE to necessary alignment.
2304 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2306 (__libdwfl_find_build_id): Update caller.
2308 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2309 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2310 * offline.c (dwfl_offline_section_address): Bail early if there is
2311 separate debug file.
2313 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2315 2007-10-09 Roland McGrath <roland@redhat.com>
2317 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2318 caching SHDR->sh_addr = 0.
2319 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2320 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2322 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2323 we've found SHT_SYMTAB.
2325 * relocate.c (relocate_getsym): New function.
2326 (__libdwfl_relocate): Use it.
2327 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2328 be a pointer instead of value; cache getshstrndx result there.
2329 * libdwflP.h: Update decl.
2330 * derelocate.c (cache_sections): Update caller.
2331 Always work on the main file, not the symfile.
2332 (dwfl_module_address_section): Likewise.
2333 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2335 2007-10-07 Roland McGrath <roland@redhat.com>
2337 * offline.c (process_archive): Initialize MOD.
2339 * linux-kernel-modules.c (get_release): New function, broken out of ...
2340 (report_kernel): ... here. Call it.
2341 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2342 (find_kernel_elf): Update caller.
2343 (report_kernel_archive): New function.
2344 (dwfl_linux_kernel_report_offline): Call it.
2346 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2347 (process_archive): Likewise.
2348 (process_archive_member): Likewise. When nonnull, let the predicate
2349 decide whether to use this member.
2350 (__libdwfl_report_offline): New function, broken out of ...
2351 (dwfl_report_offline): ... here. Call it.
2352 * libdwflP.h: Declare it.
2354 * offline.c (process_archive, process_archive_member): New functions.
2355 (process_elf, process_file): New functions, broken out of ...
2356 (dwfl_report_offline): ... here. Call process_file, which recurses on
2359 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2360 (dwfl_report_elf): ... here. Call it.
2361 * libdwflP.h: Declare it.
2363 2007-10-06 Roland McGrath <roland@redhat.com>
2365 * derelocate.c (dwfl_module_relocations): Don't call
2366 dwfl_module_getdwarf.
2368 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2371 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2372 SHF_ALLOC, to cache sh_addr resolved to 0.
2374 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2375 values nonzero already, just use its existing layout.
2377 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2378 in-core shdr after applying it.
2380 2007-10-04 Ulrich Drepper <drepper@redhat.com>
2382 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2383 initialization of notes variable.
2385 2007-10-04 Roland McGrath <roland@redhat.com>
2387 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2388 fill in with vaddr of "__start_notes" symbol if found.
2389 (check_notes): New function.
2390 (check_kernel_notes): New function.
2391 (dwfl_linux_kernel_report_kernel): Call it.
2392 (check_module_notes): New function.
2393 (dwfl_linux_kernel_report_modules): Call it.
2395 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2396 Try dwfl_build_id_find_elf first.
2398 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
2399 Set kernel module e_type to ET_DYN.
2401 2007-10-03 Roland McGrath <roland@redhat.com>
2403 * find-debuginfo.c (validate): New function, broken out of ...
2404 (find_debuginfo_in_path): ... here. New function, broken out of ...
2405 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
2406 dwfl_build_id_find_debuginfo first.
2408 * dwfl_build_id_find_elf.c: New file.
2409 * dwfl_build_id_find_debuginfo.c: New file.
2410 * Makefile.am (libdwfl_a_SOURCES): Add them.
2411 * libdwfl.h: Declare them.
2412 * libdwflP.h: Add INTDECLs.
2414 * dwfl_module_build_id.c: New file.
2415 * dwfl_module_report_build_id.c: New file.
2416 * Makefile.am (libdwfl_a_SOURCES): Add them.
2417 * libdwfl.h: Declare them.
2418 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
2419 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
2420 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
2422 * dwfl_module_getdwarf.c (find_offsets): New function.
2423 (find_dynsym): New function, calls that.
2424 (find_symtab): Call it.
2426 2007-09-11 Roland McGrath <roland@redhat.com>
2428 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
2429 address if its st_size is smaller.
2431 2007-08-13 Roland McGrath <roland@redhat.com>
2433 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2435 2007-08-12 Roland McGrath <roland@redhat.com>
2437 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
2440 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
2441 a second phdr if it happens to match EHDR_VMA exactly.
2443 2007-08-08 Roland McGrath <roland@redhat.com>
2445 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
2446 those with no names. Rewrite best symbol algorithm not to assume a
2447 sorted table and to be smarter handling sizeless symbols.
2449 2007-07-16 Roland McGrath <roland@redhat.com>
2451 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
2452 reviving an existing module.
2454 2007-06-08 Roland McGrath <roland@redhat.com>
2456 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
2458 2007-05-17 Roland McGrath <roland@redhat.com>
2460 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
2461 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
2462 (dwfl_linux_kernel_find_elf): Likewise.
2464 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2465 getline and sscanf instead of fscanf.
2467 2007-05-08 Roland McGrath <roland@redhat.com>
2469 * offline.c (dwfl_offline_section_address): Don't assume section
2470 numbers match between stripped and debuginfo files. Instead, assume
2471 only that the ordering among SHF_ALLOC sections matches.
2473 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
2475 (dwfl_linux_kernel_report_offline): Update caller.
2476 (dwfl_linux_kernel_report_kernel): Likewise.
2478 2007-04-23 Roland McGrath <roland@redhat.com>
2480 * argp-std.c (options): Fix group title string.
2482 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
2483 Update via STATE->input every time we set STATE->hook, not only at
2486 * dwfl_module.c (free_file): Free FILE->name.
2488 2007-04-16 Roland McGrath <roland@redhat.com>
2490 * derelocate.c (cache_sections): Apply bias to sh_addr.
2491 (compare_secrefs): Fix address comparison to avoid signed overflow.
2492 (find_section): New function, broken out of ...
2493 (dwfl_module_relocate_address): ... here, call it.
2494 (check_module): New function, broken out of ...
2495 (dwfl_module_relocate_address): ... here, call it.
2496 (dwfl_module_address_section): New function.
2497 * libdwfl.h: Declare it.
2499 2007-03-26 Roland McGrath <roland@redhat.com>
2501 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2503 2007-03-18 Roland McGrath <roland@redhat.com>
2505 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
2506 (find_debuginfo): ... here. Call it.
2507 Don't return error for libelf errors finding .gnu_debuglink section.
2509 2007-03-12 Roland McGrath <roland@redhat.com>
2511 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
2512 (dwfl_report_begin): ... here. Call it.
2513 * libdwfl.h: Declare it.
2514 * libdwflP.h: Add INTDECL.
2516 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2518 * offline.c: Comment typo fix.
2520 2007-03-04 Roland McGrath <roland@redhat.com>
2522 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
2523 (find_kernel_elf): New function, broken out of ...
2524 (report_kernel): ... here. Call it.
2525 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
2526 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
2527 virtual address bounds of kernel from symbols rounded to page size.
2528 (dwfl_linux_kernel_report_kernel): Use that if it works, before
2529 resorting to report_kernel.
2531 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
2532 ET_EXEC file with nonzero bias.
2534 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
2535 dwfl_module_addrsym. Guts moved to ...
2536 * dwfl_module_addrsym.c: ... here; new file.
2537 * Makefile.am (libdwfl_a_SOURCES): Add it.
2538 * libdwfl.h: Declare dwfl_module_addrsym.
2539 * libdwflP.h: Add INTDECL.
2541 2007-03-03 Roland McGrath <roland@redhat.com>
2543 * dwfl_module.c (free_file): New function, broken out of ...
2544 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
2546 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
2549 2007-03-02 Roland McGrath <roland@redhat.com>
2551 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
2553 2007-02-02 Roland McGrath <roland@redhat.com>
2555 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
2556 address exactly if it's no other module's low boundary.
2558 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
2559 and size cover the address, select the closest symbol with st_size==0
2560 that lies in the same section.
2562 2007-01-29 Roland McGrath <roland@redhat.com>
2564 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2567 2007-01-20 Roland McGrath <roland@redhat.com>
2569 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
2571 * libdwfl.h (Dwfl_Callbacks): Update comment.
2572 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
2573 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2574 For ignored missing section, use -1 instead of 0.
2575 * offline.c (dwfl_offline_section_address): Expect a call for 0.
2577 2007-01-19 Roland McGrath <roland@redhat.com>
2579 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
2580 zero so a lone -e foo.so is shown without address bias.
2582 2007-01-10 Roland McGrath <roland@redhat.com>
2584 * linux-kernel-modules.c (report_kernel): Check asprintf return value
2585 directly instead of via side effect, to silence warn_unused_result.
2586 (dwfl_linux_kernel_report_offline): Likewise.
2587 (dwfl_linux_kernel_find_elf): Likewise.
2588 (dwfl_linux_kernel_module_section_address): Likewise.
2589 * find-debuginfo.c (try_open): Likewise.
2590 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
2591 (dwfl_linux_proc_report): Likewise.
2593 * libdwfl.h (dwfl_begin): Require nonnull argument.
2595 2006-12-27 Roland McGrath <roland@redhat.com>
2597 * dwfl_module.c (compare_modules): Fix address comparison to avoid
2598 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
2600 2006-10-30 Roland McGrath <roland@redhat.com>
2602 * dwfl_module.c (dwfl_report_module): Comment typo fix.
2604 2006-09-05 Roland McGrath <roland@redhat.com>
2606 * derelocate.c (cache_sections): Use alloca instead of variable-sized
2607 auto array, in function already using alloca.
2609 2006-08-14 Roland McGrath <roland@redhat.com>
2611 * linux-kernel-modules.c (try_kernel_name): If the call to
2612 dwfl_standard_find_debuginfo produces no results, try it again
2613 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
2615 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
2616 * libdwflP.h: ... to here.
2617 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
2618 repeats the first thing dwfl_standard_find_debuginfo will try.
2620 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
2621 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
2622 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
2625 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2627 * cu.c: Adjust for internal_function_def removal.
2628 * dwfl_error.c: Likewise.
2629 * dwfl_module.c: Likewise.
2630 * dwfl_module_getdwarf.c: Likewise.
2631 * lines.c: Likewise.
2632 * relocate.c: Likewise.
2634 2006-07-11 Ulrich Drepper <drepper@redhat.com>
2636 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
2637 it can overflow the return value type.
2638 Patch by Tim Moore <timoore@redhat.com>.
2640 2006-06-28 Roland McGrath <roland@redhat.com>
2642 * libdwfl.h: Cosmetic changes.
2644 * dwfl_line_comp_dir.c: New file.
2645 * Makefile.am (libdwfl_a_SOURCES): Add it.
2646 * libdwfl.h: Declare dwfl_line_comp_dir.
2648 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
2650 * dwfl_linecu.c: New file.
2651 * Makefile.am (libdwfl_a_SOURCES): Add it.
2652 * libdwfl.h: Declare dwfl_linecu.
2654 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
2655 (dwfl_linecu): Define as macro.
2657 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
2659 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
2660 (dwfl_module_addrname): Function moved ...
2661 * dwfl_module_addrname.c: ... here, new file.
2662 * dwfl_module_getsym.c: New file.
2663 * Makefile.am (libdwfl_a_SOURCES): Add them.
2664 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
2665 * libdwflP.h: Add INTDECLs.
2667 2006-06-27 Roland McGrath <roland@redhat.com>
2669 * dwfl_module.c (dwfl_report_end): Whitespace fix.
2671 2006-06-13 Roland McGrath <roland@redhat.com>
2673 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2674 Use __libdwfl_seterrno for elf_memory failure.
2676 2006-05-22 Roland McGrath <roland@redhat.com>
2678 * dwfl_module_return_value_location.c
2679 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2681 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2683 * libdwfl.h: Add extern "C".
2685 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2687 * cu.c (addrarange): Handle files without aranges information.
2689 2006-05-16 Ulrich Drepper <drepper@redhat.com>
2691 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
2694 2006-02-26 Roland McGrath <roland@redhat.com>
2696 * dwfl_version.c: New file.
2697 * Makefile.am (libdwfl_a_SOURCES): Add it.
2698 * libdwfl.h: Declare dwfl_version.
2700 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
2701 aligned up from DWFL->offline_next_address when checking for overlap.
2703 2005-12-22 Roland McGrath <roland@redhat.com>
2705 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
2707 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
2708 (dwfl_linux_proc_report): ... here. Call it.
2709 (dwfl_linux_proc_maps_report): New function.
2710 * libdwfl.h: Declare it.
2711 * libdwflP.h: Add INTDECL.
2712 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
2714 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
2715 failed with DWFL_E_NO_DWARF.
2717 2005-11-26 Roland McGrath <roland@redhat.com>
2719 * dwfl_end.c (dwfl_end): Free the DWFL itself.
2721 2005-11-25 Roland McGrath <roland@redhat.com>
2723 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
2725 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
2726 * libdwflP.h: Declare it.
2728 * dwfl_module_register_names.c: New file.
2729 * Makefile.am (libdwfl_a_SOURCES): Add it.
2730 * libdwfl.h: Declare dwfl_module_register_names.
2732 2005-11-21 Roland McGrath <roland@redhat.com>
2734 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2735 Don't leak malloc'd file name.
2736 If a /sys/.../sections file is missing and starts with ".init",
2737 try the variant with "_init" too; catches PPC64 kernel braindamage.
2739 2005-11-15 Roland McGrath <roland@redhat.com>
2741 * libdwfl.h: Comment fixes.
2743 * dwfl_module_return_value_location.c: Add unlikely for error case.
2745 2005-11-13 Roland McGrath <roland@redhat.com>
2747 * dwfl_return_value_location.c: New file.
2748 * Makefile.am (libdwfl_a_SOURCES): Add it.
2749 * libdwfl.h: Declare dwfl_module_return_value_location.
2750 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
2752 2005-10-20 Roland McGrath <roland@redhat.com>
2754 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
2755 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
2756 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2758 2005-10-01 Roland McGrath <roland@redhat.com>
2760 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
2763 2005-09-19 Roland McGrath <roland@redhat.com>
2765 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2766 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
2767 the signed integer reading; they will just have to be in hexadecimal.
2768 (dwfl_linux_kernel_module_section_address): Likewise.
2770 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2772 * Makefile.am (%.os): Use COMPILE.os.
2773 (COMPILE.os): Filter out gconv options.
2775 2005-08-25 Roland McGrath <roland@redhat.com>
2777 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
2778 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2780 2005-08-24 Roland McGrath <roland@redhat.com>
2782 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
2784 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
2785 magic initializer to set -heur-stack-bound option.
2787 2005-08-22 Roland McGrath <roland@redhat.com>
2789 * dwfl_validate_address.c: New file.
2790 * Makefile.am (libdwfl_a_SOURCES): Add it.
2791 * libdwfl.h: Declare dwfl_validate_address.
2793 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
2794 * libdwflP.h: Add INTDECL.
2796 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
2797 elf_rawdata for symbol-related sections.
2799 * offline.c (dwfl_report_offline): Move offline_next_address outside
2800 module's range, in case it's an ET_EXEC using fixed segment locations.
2801 * libdwfl.h: Update comment.
2803 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
2806 2005-08-20 Roland McGrath <roland@redhat.com>
2808 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
2809 function to choose whether to report.
2810 (dwfl_linux_kernel_report_offline): Likewise.
2811 * libdwfl.h: Update decl.
2812 * argp-std.c (parse_opt): Update caller.
2814 * dwfl_getsrclines.c: New file.
2815 * dwfl_onesrcline.c: New file.
2816 * Makefile.am (libdwfl_a_SOURCES): Add them.
2817 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
2819 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
2820 MODULESDIR[0]. Call fts_close on failure.
2822 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
2823 Close ET_REL file descriptors after relocation.
2824 (find_dw): Update caller.
2825 * offline.c (dwfl_report_offline): Get the file into memory and close
2826 the file descriptor.
2828 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
2829 MOD->debug.elf is already set.
2831 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
2832 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
2834 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
2835 dwfl_linux_kernel_report_offline with offline_callbacks.
2837 * linux-kernel-modules.c (report_kernel): New function, broken out of
2839 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2840 (dwfl_linux_kernel_report_offline): New function.
2841 * libdwfl.h: Declare it.
2842 * libdwflP.h: Add INTDECL.
2844 2005-08-19 Roland McGrath <roland@redhat.com>
2846 Use standard debuginfo search path to look for vmlinux.
2847 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
2849 * linux-kernel-modules.c (try_kernel_name): New function, broken out
2851 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2853 * argp-std.c (offline_callbacks): New variable.
2854 (parse_opt): Use it for -e. Allow multiple -e options.
2856 * offline.c: New file.
2857 * Makefile.am (libdwfl_a_SOURCES): Add it.
2858 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
2859 * libdwflP.h: Add INTDECLs.
2860 (OFFLINE_REDZONE): New macro.
2861 (struct Dwfl): New member `offline_next_address'.
2862 * dwfl_begin.c (dwfl_begin): Initialize it.
2863 * dwfl_module.c (dwfl_report_begin): Likewise.
2865 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
2866 do a nominal absolute section layout starting at BASE.
2867 * libdwfl.h: Update comment.
2869 2005-08-18 Roland McGrath <roland@redhat.com>
2871 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
2872 dwfl_module_getdwarf if necessary.
2874 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
2875 * libdwfl.h: Update comment.
2877 * derelocate.c: New file.
2878 * Makefile.am (libdwfl_a_SOURCES): Add it.
2880 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
2881 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
2882 * dwfl_module_getdwarf.c (open_elf): Update initialization.
2883 (load_dw, dwfl_module_addrname): Update uses.
2884 * relocate.c (__libdwfl_relocate): Likewise.
2886 2005-08-04 Roland McGrath <roland@redhat.com>
2888 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
2889 arguments SHNDX, SHDR.
2890 (dwfl_linux_kernel_module_section_address): Update prototype.
2891 * relocate.c (__libdwfl_relocate_value): Update caller.
2892 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2893 Take the new arguments.
2895 2005-08-10 Roland McGrath <roland@redhat.com>
2897 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
2898 use it instead of MOD->debug.file.
2899 * libdwflP.h: Update decl.
2900 * dwfl_module_getdwarf.c (load_dw): Update caller.
2903 2005-08-09 Roland McGrath <roland@redhat.com>
2905 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
2906 * cu.c: Use INTUSE on dwarf_* calls.
2907 * dwfl_error.c: Likewise.
2908 * dwfl_module.c: Likewise.
2909 * dwfl_module_getdwarf.c: Likewise.
2910 * dwfl_module_getsrc_file.c: Likewise.
2911 * lines.c: Likewise.
2913 2005-08-07 Roland McGrath <roland@redhat.com>
2915 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
2916 names contain '_' or '-', look for files named either "foo-bar.ko"
2919 2005-07-29 Roland McGrath <roland@redhat.com>
2921 * loc2c.c: File removed.
2922 * loc2c.h: File removed.
2923 * loc2c-runtime.h: File removed.
2924 * test2.c: File removed.
2925 * Makefile.am (EXTRA_DIST): Variable removed.
2926 (noinst_HEADERS): Remove loc2c.h from here.
2928 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2930 * libdwfl.h: Add a few missing extern for function prototypes.
2932 * libdwfl_crc32.c: New file.
2933 * libdwfl_crc32_file.c: New file.
2934 * libdwflP.h: Declare the new functions.
2935 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
2936 libdwfl_crc32_file.c.
2937 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
2938 instead of crc32_file.
2940 2005-07-28 Roland McGrath <roland@redhat.com>
2942 * ptest.c: Moved to ../tests/dwflmodtest.c.
2944 * Makefile.am (noinst_PROGRAMS): Variable removed.
2945 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
2946 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
2947 (libdwfl): Don't use libdwfl.so any more.
2948 (libdwfl.so, install, uninstall): Targets removed.
2949 (test2_SOURCES): Define EXTRA_DIST instead of this.
2950 * libdwfl.map: File removed.
2952 * libdwfl.h: Use "" for libdw.h #include.
2954 2005-07-27 Roland McGrath <roland@redhat.com>
2956 * libdwfl.map: Add dwfl_getmodules.
2958 2005-07-23 Ulrich Drepper <drepper@redhat.com>
2960 * Makefile.am: Fix rules to allow building with mudflap.
2962 2005-07-21 Roland McGrath <roland@redhat.com>
2964 * Makefile.am (noinst_HEADERS): Add loc2c.c.
2966 * test2.c (main): Check sscanf result to quiet warning.
2968 2005-07-20 Roland McGrath <roland@redhat.com>
2970 * libdwfl-branch merged, creating this direcotry.