blob: 453f1d3e6ffdf3cc4d0002b25140a3728cf6ef16 [file] [log] [blame]
Brian Silverman86497922018-02-10 19:28:39 -050012018-02-09 Joshua Watt <JPEWhacker@gmail.com>
2
3 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
4 macro instead of comment.
5 * frame_unwind.c (expr_eval): Likewise.
6
72017-11-20 Mark Wielaard <mark@klomp.org>
8
9 * link_map.c (do_check64): Take a char * and calculate type and val
10 offsets before reading, possibly unaligned, values.
11 (do_check32): Likewise.
12 (check64): Remove define.
13 (check32): Likewise.
14 (auxv_format_probe): Call do_check32 and do_check64 directly with
15 a, possibly unaligned, auxv entry pointer.
16 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
17 possibly unaligned auxv entry pointer.
18
192017-10-16 Mark Wielaard <mark@klomp.org>
20
21 * argp-std.c (parse_opt): For -k call argp_failure not failure to
22 keep dwfl around.
23
242017-07-26 Yunlian Jiang <yunlian@google.com>
25
26 * argp-std.c (failure): Move to file scope.
27 (fail): Likewise.
28
292017-04-20 Ulf Hermann <ulf.hermann@qt.io>
30 Mark Wielaard <mark@klomp.org>
31
32 * derelocate.c (compare_secrefs): Compare by end address and then by
33 section number if addresses are equal.
34
352017-04-20 Ulf Hermann <ulf.hermann@qt.io>
36 Mark Wielaard <mark@klomp.org>
37
38 * linux-kernel-modules.c: Always return NULL from kernel_release() on
39 non-linux systems and set errno to ENOTSUP.
40
412017-04-20 Ulf Hermann <ulf.hermann@qt.io>
42
43 * libdwflP.h: Don't include config.h.
44 * argp-std.c: Include config.h.
45 * cu.c: Likewise.
46 * derelocate.c: Likewise.
47 * dwfl_addrdie.c: Likewise.
48 * dwfl_addrdwarf.c: Likewise.
49 * dwfl_addrmodule.c: Likewise.
50 * dwfl_begin.c: Likewise.
51 * dwfl_build_id_find_debuginfo.c: Likewise.
52 * dwfl_build_id_find_elf.c: Likewise.
53 * dwfl_cumodule.c: Likewise.
54 * dwfl_dwarf_line.c: Likewise.
55 * dwfl_end.c: Likewise.
56 * dwfl_frame.c: Likewise.
57 * dwfl_frame_regs.c: Likewise.
58 * dwfl_getdwarf.c: Likewise.
59 * dwfl_getmodules.c: Likewise.
60 * dwfl_getsrc.c: Likewise.
61 * dwfl_getsrclines.c: Likewise.
62 * dwfl_line_comp_dir.c: Likewise.
63 * dwfl_linecu.c: Likewise.
64 * dwfl_lineinfo.c: Likewise.
65 * dwfl_linemodule.c: Likewise.
66 * dwfl_module.c: Likewise.
67 * dwfl_module_addrdie.c: Likewise.
68 * dwfl_module_addrname.c: Likewise.
69 * dwfl_module_addrsym.c: Likewise.
70 * dwfl_module_build_id.c: Likewise.
71 * dwfl_module_dwarf_cfi.c: Likewise.
72 * dwfl_module_eh_cfi.c: Likewise.
73 * dwfl_module_getdarf.c: Likewise.
74 * dwfl_module_getelf.c: Likewise.
75 * dwfl_module_getsrc.c: Likewise.
76 * dwfl_module_getsrc_file.c: Likewise.
77 * dwfl_module_getsym.c: Likewise.
78 * dwfl_module_info.c: Likewise.
79 * dwfl_module_nextcu.c: Likewise.
80 * dwfl_module_register_names.c: Likewise.
81 * dwfl_module_report_build_id.c: Likewise.
82 * dwfl_module_return_value_location.c: Likewise.
83 * dwfl_nextcu.c: Likewise.
84 * dwfl_onesrcline.c: Likewise.
85 * dwfl_report_elf.c: Likewise.
86 * dwfl_validate_address.c: Likewise.
87 * dwfl_version.c: Likewise.
88 * find-debuginfo.c: Likewise.
89 * gzip.c: Likewise.
90 * image-header.c: Likewise.
91 * lines.c: Likewise.
92 * linux-core-attach.c: Likewise.
93 * linux-pid-attach.c: Likewise.
94 * offline.c: Likewise.
95 * open.c: Likewise.
96 * relocate.c: Likewise.
97 * segment.c: Likewise.
98
992017-04-20 Ulf Hermann <ulf.hermann@qt.io>
100
101 * libdwfl.h: Use __const_attribute__.
102
1032017-04-20 Ulf Hermann <ulf.hermann@qt.io>
104
105 * elf-from-memory.c: Explicitly cast phnum to size_t.
106
1072017-04-20 Ulf Hermann <ulf.hermann@qt.io>
108
109 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
110 it.
111
1122017-04-20 Ulf Hermann <ulf.hermann@qt.io>
113
114 * dwfl_frame.c: Drop unused sys/ptrace.h include.
115 * frame_unwind.c: Likewise.
116 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
117 linux.
118
1192017-04-20 Ulf Hermann <ulf.hermann@qt.io>
120
121 * linux-kernel-modules.c: Include sys/types.h before fts.h
122
1232017-03-24 Mark Wielaard <mark@klomp.org>
124
125 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
126 the note name data is the empty string.
127 (dwfl_core_file_attach): Likewise.
128
1292017-02-15 Ulf Hermann <ulf.hermann@qt.io>
130
131 * linux-kernel-modules.c: Include system.h.
132
1332017-02-15 Ulf Hermann <ulf.hermann@qt.io>
134
135 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
136 * linux-proc-maps.c: Likewise.
137
1382016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
139
140 * dwfl_build_id_find_elf.c: Include system.h.
141 * dwfl_module_getdwarf.c: Likewise.
142 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
143
1442016-11-23 Mark Wielaard <mjw@redhat.com>
145
146 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
147 defined.
148
1492016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
150
151 * core-file.c: Remove sys/param.h.
152 * dwfl_segment_report_module.c: Likewise. Add system.h include.
153 (MAX): Remove definition.
154 * frame_unwind.c: Add system.h include.
155 (MAX): Remove definition.
156 * linux-core-attach.c (MIN): Remove definition.
157 * linux-pid-attach.c (MAX): Likewise.
158
1592016-08-12 Mark Wielaard <mjw@redhat.com>
160
161 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
162
1632016-04-14 Mark Wielaard <mjw@redhat.com>
164
165 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
166 on invalid DWARF if we allocated it.
167
1682016-04-14 Mark Wielaard <mjw@redhat.com>
169
170 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
171 mapping.
172
1732016-03-01 Steven Chamberlain <steven@pyro.eu.org>
174
175 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
176 pid_thread_detach, pid_detach, pid_set_initial_registers,
177 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
178 __linux__ code.
179
1802016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
181 Mark Wielaard <mjw@redhat.com>
182
183 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
184 debuglink_file is NULL. Try file basename (without .debug) ofr
185 absolute and relative path if debug_file was NULL.
186 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
187 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
188 basename of fname.
189
1902016-02-13 Mark Wielaard <mjw@redhat.com>
191
192 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
193
1942016-02-13 Mark Wielaard <mjw@redhat.com>
195
196 * frame_unwind.c (new_unwound): Check and return unwound.
197 (handle_cfi): Check new_unwound was able to allocate new memory
198 before use. Return DWFL_E_NOMEM otherwise.
199
2002016-02-11 Mark Wielaard <mjw@redhat.com>
201
202 * relocate.c (relocate_section): Check result of all gelf_get* calls.
203 (__libdwfl_relocate): Likewise.
204 (__libdwfl_relocate_section): Likewise.
205
2062016-02-11 Mark Wielaard <mjw@redhat.com>
207
208 * relocate.c (relocate_section): Check result of gelf_update_* calls.
209
2102016-01-08 Mark Wielaard <mjw@redhat.com>
211
212 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
213 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
214 .gz support.
215 (try_kernel_name): Likewise.
216 (check_suffix): Likewise.
217 * open.c (decompress): Likewise.
218
2192015-12-18 Mark Wielaard <mjw@redhat.com>
220
221 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
222 sections and aux_str, aux_xndx and aux_sym sections if necessary.
223 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
224 if necessary.
225 (resolve_symbol): Uncompress strtab section if necessary.
226 (relocate_section): Uncompress the section the relocations apply to
227 if necessary.
228
2292015-11-18 Chih-Hung Hsieh <chh@google.com>
230
231 * linux-proc-maps.c (proc_maps_report): Move nested function
232 'report' to file scope.
233
2342015-11-18 Chih-Hung Hsieh <chh@google.com>
235
236 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
237 scope.
238 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
239 'update_end' and 'more' to file scope.
240
2412015-11-17 Chih-Hung Hsieh <chh@google.com>
242
243 * link_map.c (auxv_format_probe): Move nested functions
244 check64 and check32 to file scope.
245
2462015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
247
248 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
249 the value of the return address register as defined by the CFI
250 abi.
251 * frame_unwind.c (handle_cfi): Likewise.
252
2532015-12-01 Mark Wielaard <mjw@redhat.com>
254
255 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
256 from exec or memory_callback, free as appropriate.
257
2582015-12-01 Mark Wielaard <mjw@redhat.com>
259
260 * libdwflP.h (struct Dwfl_User_Core): New.
261 (struct DWfl): Replace executable_for_core with user_core.
262 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
263 * core-file.c (dwfl_core_file_report): Check and store
264 executable_for_core in Dwfl user_core.
265 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
266 executable_for_core in Dwfl user_core.
267 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
268 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
269 user_core.
270 (dwfl_link_map_report): Likewise.
271
2722015-11-16 Chih-Hung Hsieh <chh@google.com>
273
274 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
275 function 'consider_shdr' to file scope.
276 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
277 'translate_offs' to file scope.
278
2792015-11-16 Chih-Hung Hsieh <chh@google.com>
280
281 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
282 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
283 to file scope.
284
2852015-11-19 Mark Wielaard <mjw@redhat.com>
286
287 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
288 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
289 dwarf_cfi_end.
290
2912015-11-13 Chih-Hung Hsieh <chh@google.com>
292
293 * gzip.c (unzip): Move nested functions to file scope.
294
2952015-10-21 Chih-Hung Hsieh <chh@google.com>
296 Mark Wielaard <mjw@redhat.com>
297
298 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
299 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
300 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
301 use INTUSE.
302
3032015-10-21 Chih-Hung Hsieh <chh@google.com>
304
305 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
306 to file scope. Pass used local variables in struct eval_stack.
307
3082015-10-21 Chih-Hung Hsieh <chh@google.com>
309
310 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
311 file scope.
312
3132015-10-09 Josh Stone <jistone@redhat.com>
314
315 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
316 * open.c (decompress): Replace off64_t with off_t.
317 * gzip.c (unzip): Likewise.
318 * image-header.c (__libdw_image_header): Likewise.
319 * libdwflP.h: Likewise in function declarations.
320 * argp-std.c (parse_opt): Replace open64 with open.
321 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
322 dwfl_build_id_find_elf): Likewise.
323 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
324 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
325 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
326 * link_map.c (report_r_debug): Likewise.
327 * offline.c (dwfl_report_offline): Likewise.
328 * linux-proc-maps.c (grovel_auxv, get_pid_class,
329 dwfl_linux_proc_find_elf): Likewise.
330 (read_proc_memory): Replace off64_t with off_t.
331 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
332 fstat64 with stat and fstat.
333 (try_open): Likewise, and replace open64 with open.
334 * linux-kernel-modules.c: Manually define open and fopen to open64 and
335 fopen64 when needed, since the early fts.h include breaks that.
336 (try_kernel_name): Replace open64 with open.
337 (check_notes): Likewise.
338
3392015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
340
341 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
342 pread, as the later doesn't accept negative offsets.
343
3442015-10-07 Mark Wielaard <mjw@redhat.com>
345
346 * dwfl_module_getdwarf.c (MAX): Removed.
347 (find_prelink_address_sync): Allocate exact amount of bytes for
348 phdrs and shdrs.
349 * dwfl_segment_report_module.c (dwfl_segment_report_module):
350 Likewise for phdrs.
351 * elf-from-memory.c (MAX): Removed.
352 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
353
3542015-10-05 Chih-Hung Hsieh <chh@google.com>
355
356 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
357 union of variable length arrays.
358 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
359 * elf-from-memory.c (elf_from_remote_memory): Likewise.
360 * link_map.c (auxv_format_probe): Likewise.
361 * link_map.c (report_r_debug): Likewise.
362 * link_map.c (dwfl_link_map_report): Likewise.
363
3642015-09-18 Chih-Hung Hsieh <chh@google.com>
365
366 * relocate.c (relocate_section): Move nested function "relocate"
367 to file scope, pass all used local variables as constants.
368 Move nested "check_badreltype" to file scope, pass addresses of
369 updated used local variables.
370 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
371 "read_address" to file scope, pass all updated local variables in
372 a state structure.
373 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
374 function "subst_name" to file scope, pass all used local variables
375 as constants.
376 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
377 simple nested function "report" with a macro. Work around gcc static
378 analysis error -Werror=maybe-uninitialized.
379
3802015-09-22 Mark Wielaard <mjw@redhat.com>
381
382 * core-file.c: Remove old-style function definitions.
383 * dwfl_error.c: Likewise.
384 * dwfl_module_dwarf_cfi.c: Likewise.
385 * dwfl_module_eh_cfi.c: Likewise.
386 * dwfl_module_register_names.c: Likewise.
387 * dwfl_module_return_value_location.c: Likewise.
388 * dwfl_version.c: Likewise.
389
3902015-09-09 Chih-Hung Hsieh <chh@google.com>
391 Mark Wielaard <mjw@redhat.com>
392
393 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
394 on parameters declared with __nonnull_attribute__.
395 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
396 nonnull.
397
3982015-09-08 Mark Wielaard <mjw@redhat.com>
399
400 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
401 * linux-pid-attach.c (pid_detach): Call elf_end and close.
402 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
403
4042015-09-04 Chih-Hung Hsieh <chh@google.com
405
406 * frame_unwind.c (expr_eval): Use llabs instead of abs.
407
4082015-08-14 Dodji Seketeli <dodji@seketeli.org>
409
410 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
411 debug info file named debuglink_file under
412 mod->dwfl->callbacks->debuginfo_path, by looking at
413 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
414 which is common to the set of non-absolute parent trees of
415 file_name.
416
4172015-06-18 Mark Wielaard <mjw@redhat.com>
418
419 * find-debuginfo.c (try_open): Free fname on all failure paths.
420
4212015-06-18 Mark Wielaard <mjw@redhat.com>
422
423 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
424 sh_entsize is not zero.
425
4262015-06-06 Mark Wielaard <mjw@redhat.com>
427
428 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
429 localname and file_dirname.
430
4312015-06-06 Mark Wielaard <mjw@redhat.com>
432
433 * derelocate.c (cache_sections): Free sortrefs.
434
4352015-06-05 Mark Wielaard <mjw@redhat.com>
436
437 * dwfl_segment_report_module.c (dwfl_segment_report_module):
438 If the note_file exists, but the build_id doesn't match discard
439 the file and continue reporting.
440
4412015-06-01 Mark Wielaard <mjw@redhat.com>
442
443 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
444 pointer before passing to strsep.
445
4462015-05-30 Mark Wielaard <mjw@redhat.com>
447
448 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
449 type and value.
450 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
451 adresses.
452
4532015-05-30 Mark Wielaard <mjw@redhat.com>
454
455 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
456 not NULL before calling canonicalize_file_name.
457
4582015-05-24 Mark Wielaard <mjw@redhat.com>
459
460 * derelocate.c (check_module): Check mod is not NULL.
461
4622015-05-22 Mark Wielaard <mjw@redhat.com>
463
464 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
465 malloc instead of stack allocating. Call free when done with data.
466
4672015-05-22 Mark Wielaard <mjw@redhat.com>
468
469 * dwfl_segment_report_module.c (dwfl_segment_report_module):
470 Allocate phdrs with malloc, not on stack. free in finish.
471 Allocate dyn with malloc, not on stack, free after use.
472
4732015-05-22 Mark Wielaard <mjw@redhat.com>
474
475 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
476 instead of alloca or strdupa, local strings of unknown size.
477 Call free before return.
478
4792015-05-22 Mark Wielaard <mjw@redhat.com>
480
481 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
482 error when id_len too small or too large. strdup, not strdupa,
483 and free path when done.
484
4852015-05-19 Mark Wielaard <mjw@redhat.com>
486
487 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
488 phdrs on the stack. Allocate with malloc and free when done.
489
4902015-05-19 Mark Wielaard <mjw@redhat.com>
491
492 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
493 free alternate_name.
494
4952015-05-19 Mark Wielaard <mjw@redhat.com>
496
497 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
498 stack allocate name. Only change chars up to suffix.
499
5002015-05-18 Mark Wielaard <mjw@redhat.com>
501
502 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
503 phdrs and shdrs unions with malloc, not alloca. Free after use.
504
5052015-05-18 Mark Wielaard <mjw@redhat.com>
506
507 * derelocate.c (cache_sections): Allocate temporary newrefs and
508 sortrefs with malloc, not alloca. Always free them on return.
509
5102015-05-07 Mark Wielaard <mjw@redhat.com>
511
512 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
513 Dwarf_Die before interning. Explicitly check EOF is expected.
514
5152015-05-05 Mark Wielaard <mjw@redhat.com>
516
517 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
518
5192015-05-06 Roland McGrath <roland@hack.frob.com>
520
521 * dwfl_error.c (struct msgtable): Break type definition out of
522 the 'msgtable' initializer.
523 (msgtable): Make it a union of struct msgtable and a char array.
524 (msgstr): Use the full-table char array rather than the msg_0 entry.
525
5262015-04-23 Max Filippov <jcmvbkbc@gmail.com>
527
528 * core-file.c (_compat_without_executable_dwfl_core_file_report):
529 Guard with SYMBOL_VERSIONING.
530 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
531 Likewise.
532 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
533 Likewise.
534
5352015-04-02 Mark Wielaard <mjw@redhat.com>
536
537 * segment.c (insert): Check correct number of lookup_elts.
538
5392015-03-31 Mark Wielaard <mjw@redhat.com>
540
541 * core-file.c (core_file_read_eagerly): Special case small images.
542
5432015-01-26 Mark Wielaard <mjw@redhat.com>
544
545 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
546 syments and first_global on elferr before calling find_dynsym.
547
5482014-12-27 Mark Wielaard <mjw@redhat.com>
549
550 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
551 has end_sequence set.
552
5532015-01-04 Mark Wielaard <mjw@redhat.com>
554
555 * cu.c (intern_cu): Store result and return directly when finding
556 EOF marker.
557 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
558
5592014-12-19 Mark Wielaard <mjw@redhat.com>
560
561 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
562
5632014-12-19 Mark Wielaard <mjw@redhat.com>
564
565 * elf-from-memory.c (handle_segment): Remove palign sanity check.
566
5672014-12-18 Mark Wielaard <mjw@redhat.com>
568
569 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
570
5712014-12-13 Mark Wielaard <mjw@redhat.com>
572
573 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
574 a size_t, make sure it doesn't overflow.
575
5762014-12-13 Mark Wielaard <mjw@redhat.com>
577
578 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
579 wrap around before returning as int.
580
5812014-12-11 Josh Stone <jistone@redhat.com>
582
583 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
584 record <= addr, rather than returning immediately on matches.
585
5862014-12-09 Mark Wielaard <mjw@redhat.com>
587
588 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
589 overflow.
590
5912014-12-07 Mark Wielaard <mjw@redhat.com>
592
593 * relocate.c (relocate_section): Sanity check section overlap against
594 actually used ehsize, shentsize and phentsize.
595
5962014-12-07 Mark Wielaard <mjw@redhat.com>
597
598 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
599 * relocate.c (__libdwfl_relocate_value): Don't relocate against
600 section zero.
601
6022014-11-29 Mark Wielaard <mjw@redhat.com>
603
604 * relocate.c (relocate_section): Check relocation section and target
605 section data don't overlap any of the ELF headers.
606 (relocate): Check for offset + size overflow.
607
6082014-11-22 Mark Wielaard <mjw@redhat.com>
609
610 * link_map.c (consider_executable): Use elf_getphdrnum.
611 (dwfl_link_map_report): Likewise.
612
6132014-11-18 Mark Wielaard <mjw@redhat.com>
614
615 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
616 number of symbols and first_global before use.
617
6182014-11-14 Mark Wielaard <mjw@redhat.com>
619
620 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
621 a zero sh_entsize.
622
6232014-11-10 Mark Wielaard <mjw@redhat.com>
624
625 * dwfl_module_getdwarf.c (find_dynsym): New inner function
626 translate_offs that takes an adjust argument. Try finding
627 the symbol table with and without adjusting to main_bias.
628
6292014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
630
631 Support NT_FILE for locating files.
632 * core-file.c (dwfl_core_file_report): New variables note_file and
633 note_file_size, set them and pass them to dwfl_segment_report_module.
634 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
635 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
636 (invalid_elf): New function from code of dwfl_segment_report_module.
637 (dwfl_segment_report_module): Add parameters note_file and
638 note_file_size. New variables elf and fd, clean them up in finish.
639 Move some code to invalid_elf. Call handle_file_note, if it found
640 a name verify the file by invalid_elf. Protect elf and fd against
641 cleanup by finish if we found the file for new Dwfl_Module.
642 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
643 note_file_size.
644
6452014-09-23 Mark Wielaard <mjw@redhat.com>
646
647 * dwfl_segment_report_module.c (dwfl_segment_report_module):
648 Extract ei_class, ei_data and e_type early and use the result.
649
6502014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
651
652 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
653 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
654 IS_EXECUTABLE.
655 * libdwflP.h (struct Dwfl_Module): New field is_executable.
656
6572014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
658
659 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
660 it.
661 (find_dynsym): Pass the new parameter main_bias.
662
6632014-08-14 Mark Wielaard <mjw@redhat.com>
664
665 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
666
6672014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
668
669 Fix report_r_debug for prelinked libraries.
670 * link_map.c (report_r_debug): Comment out variable l_addr.
671 Use instead new variable base recalculated from l_ld.
672
6732014-06-24 Kurt Roeckx <kurt@roeckx.be>
674
675 * linux-pid-attach.c: Make it build on non linux hosts.
676
6772014-06-17 Mark Wielaard <mjw@redhat.com>
678
679 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
680 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
681
6822014-06-15 Mark Wielaard <mjw@redhat.com>
683
684 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
685 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
686 to read possibly unaligned data.
687 (core_next_thread): Likewise.
688 (core_set_initial_registers): Likewise.
689 (dwfl_core_file_attach): Likewise.
690
6912014-06-11 Mark Wielaard <mjw@redhat.com>
692
693 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
694 (dwfl_attach_state): Set dwfl->attacherr.
695 (dwfl_pid): Check and return dwfl->attacherr if set.
696 (dwfl_getthreads): Likewise.
697 (getthread): Likewise.
698 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
699 (struct Dwfl): Add attacherr field.
700 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
701 Don't assert if ELF file is not ET_CORE, just return error.
702 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
703
7042014-06-10 Mark Wielaard <mjw@redhat.com>
705
706 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
707 or dwfl_linux_proc_attach.
708
7092014-05-15 Mark Wielaard <mjw@redhat.com>
710
711 * linux-proc-maps.c (grovel_auxv): Close fd on error.
712
7132014-05-02 Mark Wielaard <mjw@redhat.com>
714
715 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
716 is always called.
717
7182014-05-01 Mark Wielaard <mjw@redhat.com>
719
720 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
721 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
722 (__libdwfl_open_by_build_id): New declaration that takes an explicit
723 build-id.
724 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
725 we already have the Dwarf then look for the alt dwz multi file by
726 build-id.
727 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
728 build-id we are looking for as argument.
729 (__libdwfl_open_mod_by_build_id): New function, calls
730 __libdwfl_open_by_build_id.
731 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
732 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
733 close alt_fd if necessary.
734 * dwfl_module_getdwarf.c (__check_build_id): Removed.
735 (try_debugaltlink): Removed.
736 (open_debugaltlink): Removed.
737 (open_elf_file): First half of open_elf that just opens the elf
738 file but doesn't setup the load address.
739 (open_elf): Call open_elf_file.
740 (find_debug_altlink): New function.
741 (load_dw): Remove loading of dwz multifile.
742 (find_dw): Call find_debug_altlink.
743 * find-debuginfo.c (validate): Handle alt debug case using
744 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
745 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
746 subdirs.
747 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
748 to store name to find by dwfl_standard_find_debuginfo instead of
749 allocating an extra variable on stack.
750
7512014-04-30 Mark Wielaard <mjw@redhat.com>
752
753 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
754 dwelf_elf_gnu_build_id.c.
755 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
756 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
757 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
758 * dwfl_module_getdwarf.c (__check_build_id): Implement using
759 dwelf_elf_gnu_build_id.
760
7612014-04-15 Florian Weimer <fweimer@redhat.com>
762
763 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
764 (try_debugaltlink): Likewise.
765 (open_debugaltlink): Likewise.
766 (load_dw): Locate alternate debug information using
767 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
768
7692014-04-11 Mark Wielaard <mjw@redhat.com>
770
771 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
772 * libdwflP.h: Include libdwelfP.h.
773 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
774 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
775
7762014-04-22 Mark Wielaard <mjw@redhat.com>
777
778 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
779 checking bits.
780 (__libdwfl_frame_reg_set): Likewise.
781
7822014-04-22 Kurt Roeckx <kurt@roeckx.be>
783
784 * linux-pid-attach.c: Make linux only.
785
7862014-03-14 Mark Wielaard <mjw@redhat.com>
787
788 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
789 Remove libelf and libdw definitions when MUDFLAP is defined.
790 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
791
7922014-03-03 Mark Wielaard <mjw@redhat.com>
793
794 * elf-from-memory.c (elf_from_remote_memory): Keep track of
795 segments_end_mem. Pass memsz to first handle_segment pass. Only
796 extend contents_size and use shdrs if only file bits are in
797 segment.
798
7992014-03-11 Josh Stone <jistone@redhat.com>
800
801 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
802 mod->e_type when processing the main ELF file.
803
8042014-03-04 Mark Wielaard <mjw@redhat.com>
805
806 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
807 linux-pid-attach.c (struct pid_arg).
808 (__libdwfl_get_pid_arg): New internal function declaration.
809 (__libdwfl_ptrace_attach): Likewise.
810 (__libdwfl_ptrace_detach): Likewise.
811 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
812 special exception modules that cannot be checked at this point.
813 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
814 (ptrace_attach): Renamed to...
815 (__libdwfl_ptrace_attach): New internal function.
816 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
817 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
818 (__libdwfl_get_pid_arg): New internal function.
819 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
820 module name contains "(deleted)" and dwfl_pid gives an attached
821 pid. If pid is set and try to (re)use ptrace attach state of
822 process before reading memory.
823
8242014-03-03 Mark Wielaard <mjw@redhat.com>
825
826 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
827 argument. Free buffer when detecting bad elf. Check PT_LOAD
828 alignment requirements on first handle_segment pass. Calculate
829 loadbase, start and end of segment using pagesize, not p_align.
830 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
831 to elf_from_remote_memory.
832
8332014-02-26 Mark Wielaard <mjw@redhat.com>
834
835 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
836
8372014-02-26 Mark Wielaard <mjw@redhat.com>
838
839 * elf-from-memory.c (elf_from_remote_memory): Check against p64
840 p_type in case ELFCLASS64, not against p32 p_type.
841
8422014-01-17 Petr Machata <pmachata@redhat.com>
843
844 * relocate.c (relocate_section): Use gelf_fsize instead of relying
845 on shdr->sh_entsize.
846
8472014-01-05 Mark Wielaard <mjw@redhat.com>
848
849 * frame_unwind.c (handle_cfi): Only skip resetting return register
850 if the regno is not the actual CIE return address register.
851
8522014-01-02 Mark Wielaard <mjw@redhat.com>
853
854 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
855
8562013-12-30 Mark Wielaard <mjw@redhat.com>
857
858 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
859 dwfl_core_file_attach explicitly.
860 * core-file.c (dwfl_core_file_report): Don't call
861 __libdwfl_attach_state_for_core implicitly.
862 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
863 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
864 process_attach_error.
865 (dwfl_getthreads): Likewise.
866 (getthread): Likewise.
867 * libdwfl.h (dwfl_core_file_report): Update documentation.
868 (dwfl_linux_proc_report): Likewise.
869 (dwfl_core_file_attach): New function declaration.
870 (dwfl_linux_proc_attach): Likewise.
871 * libdwflP.h (struct Dwfl): Remove process_attach_error.
872 (__libdwfl_attach_state_for_pid): Removed declaration.
873 (__libdwfl_attach_state_for_core): Likewise.
874 (dwfl_core_file_attach): New internal declaration.
875 (dwfl_linux_proc_attach): Likewise.
876 (attach_state_for_core): Renamed to...
877 (dwfl_core_file_attach): ...this. Change return type.
878 (__libdwfl_attach_state_for_core): Removed.
879 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
880 (pid_set_initial_registers): Check assume_ptrace_stopped before
881 calling ptrace.
882 (pid_thread_detach): Likewise.
883 (__libdwfl_attach_state_for_pid): Renamed to...
884 (dwfl_linux_proc_attach): ...this. Adjust return type.
885 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
886 __libdwfl_attach_state_for_pid implicitly.
887
8882013-12-28 Mark Wielaard <mjw@redhat.com>
889
890 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
891 character device files, only regular files.
892
8932013-12-24 Mark Wielaard <mjw@redhat.com>
894
895 * linux-core-attach.c (core_next_thread): Check whether thread_argp
896 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
897 in that case. Free thread_arg if there are no more threads.
898
8992013-12-23 Mark Wielaard <mjw@redhat.com>
900
901 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
902 build_id before returning early.
903
9042013-12-23 Mark Wielaard <mjw@redhat.com>
905
906 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
907 pid (thread group leader) to dwfl_attach_state.
908
9092013-12-21 Mark Wielaard <mjw@redhat.com>
910
911 * frame_unwind.c (handle_cfi): Track whether the return register
912 has been set and only allow it to be set once.
913
9142013-12-20 Mark Wielaard <mjw@redhat.com>
915
916 * dwfl_frame.c (one_arg): New struct.
917 (get_one_thread_cb): New function.
918 (dwfl_getthread): Likewise.
919 (one_thread): New struct.
920 (get_one_thread_frames_cb): New function.
921 (dwfl_getthread_frames): Likewise.
922 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
923 (dwfl_getthread_frames): Likewise.
924 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
925 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
926 to NULL.
927 * linux-pid-attach.c (pid_getthread): New function.
928 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
929
9302013-12-20 Mark Wielaard <mjw@redhat.com>
931
932 * linux-kernel-modules.c (report_kernel_archive): Correct nested
933 asprintf result check for debug.a.
934
9352013-12-18 Mark Wielaard <mjw@redhat.com>
936
937 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
938 * dwfl_module_addrname.c (dwfl_module_addrname): Use
939 dwfl_module_addrinfo.
940 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
941 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
942 for comparisons, not st_value. Fill in off. Search for both value
943 and the (adjusted) sym.st_value when different.
944 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
945 (dwfl_module_addrinfo): New function.
946 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
947 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
948 and possible. Adjust sym->st_value only when requested. Fill in addr
949 if available.
950 (dwfl_module_getsym_info): New function.
951 (dwfl_module_getsym): Use __libdwfl_getsym.
952 * libdwfl.h (dwfl_module_getsym_elf): Removed.
953 (dwfl_module_getsym_info): New function declaration.
954 (dwfl_module_addrinfo): Likewise.
955 (dwfl_module_addrsym): Add documentation describing differences
956 with addrinfo variants.
957 (dwfl_module_addrsym_elf): Removed.
958 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
959 (__libdwfl_addrsym): Likewise.
960 (__libdwfl_find_section_ndx): Likewise.
961 (dwfl_module_addrinfo): New internal declaration.
962 (dwfl_module_getsym_info): Likewise.
963 (dwfl_module_addrsym_elf): Removed.
964 (dwfl_module_getsym_elf): Likewise.
965
9662013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
967
968 * argp-std.c (offline_find_elf): Remove.
969 (offline_callbacks): Use dwfl_build_id_find_elf instead.
970 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
971 removed above.
972
9732013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
974
975 unwinder: s390 and s390x
976 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
977 * frame_unwind.c (new_unwound): New function from ...
978 (handle_cfi): ... here. Call it.
979 (setfunc, getfunc, readfunc): New functions.
980 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
981 * linux-core-attach.c (core_set_initial_registers): Always iterate
982 through the Ebl_Register_Location loop. Call
983 dwfl_thread_state_register_pc there.
984
9852013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
986
987 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
988
9892013-12-17 Mark Wielaard <mjw@redhat.com>
990
991 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
992 traversal.
993
9942013-12-16 Mark Wielaard <mjw@redhat.com>
995
996 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
997 definition.
998 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
999 function.
1000 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1001 function definition.
1002 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1003
10042013-12-14 Mark Wielaard <mjw@redhat.com>
1005
1006 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1007 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1008 * frame_unwind.c (handle_cfi): Free frame result from
1009 dwarf_cfi_addrframe when done.
1010
10112013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1012
1013 unwinder: ppc and ppc64
1014 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1015 Call ebl_dwarf_to_regno.
1016 * linux-core-attach.c (core_set_initial_registers): Implement
1017 pc_register support.
1018 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1019 FIRSTREG -1.
1020
10212013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1022
1023 Introduce process_attach_error.
1024 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1025 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1026 PROCESS is NULL.
1027 * libdwflP.h (struct Dwfl): New field process_attach_error.
1028 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1029 (attach_state_for_core): ... here, make it static, change return type,
1030 no longer use __libdwfl_seterrno.
1031 (__libdwfl_attach_state_for_core): New wrapper for it.
1032
10332013-11-27 Mark Wielaard <mjw@redhat.com>
1034
1035 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1036 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1037 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1038 instead of tracking dwfl_files.
1039 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1040 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1041 new elfp and biasp arguments. Track elf instead of file.
1042 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1043 dwfl_module_info.c (dwfl_module_info): Pass elf to
1044 dwfl_adjusted_st_value.
1045 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1046 (dwfl_module_getsym_elf): New function declaration.
1047 (dwfl_module_addrsym_elf): Likewise.
1048 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1049 (dwfl_module_getsym_elf): Likewise.
1050 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1051 (dwfl_deadjust_st_value): Likewise.
1052 (__libdwfl_module_getsym): Removed.
1053 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1054
10552013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1056
1057 Fix non-build-id core files on build-id system.
1058 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1059 be read from memory.
1060
10612013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1062
1063 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1064 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1065 content, if possible.
1066
10672013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1068
1069 link_map: Use proper bias, not l_addr.
1070 * core-file.c (dynamic_vaddr_get): Rename to ...
1071 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1072 internal_function.
1073 (dwfl_core_file_report): Update name in the caller.
1074 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1075 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1076 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1077 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1078
10792013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1080
1081 Compatibility with older kernels such as RHEL-6.
1082 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1083 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1084 (pid_set_initial_registers): Pass tid_was_stopped.
1085 (pid_thread_detach): Use tid_was_stopped.
1086
10872013-11-18 Josh Stone <jistone@redhat.com>
1088
1089 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1090 (find_aux_sym): Use it.
1091
10922013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1093
1094 Code cleanup: Remove const in prototype
1095 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1096 firstreg.
1097 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1098 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1099
11002013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1101
1102 Fix dwfl_attach_state machine->elf.
1103 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1104 Call ebl_openbackend instead of ebl_openbackend_machine.
1105 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1106 Update the function description.
1107 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1108 dwfl_attach_state.
1109 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1110 dwfl_attach_state.
1111
11122013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1113
1114 Provide __libdwfl_module_getsym to get dwfl_file *.
1115 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1116 (dwfl_module_addrsym) (search_table): New variable file. Use
1117 __libdwfl_module_getsym. Use file.
1118 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1119 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1120 (dwfl_module_getsym): New wrapper.
1121 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1122
11232013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1124
1125 Fix dwfl_module_addrsym for minidebuginfo.
1126 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1127 addr_symfile.
1128 (dwfl_module_addrsym) (same_section): Use it.
1129 (dwfl_module_addrsym) (i_to_symfile): New function.
1130 (dwfl_module_addrsym) (search_table): Use it.
1131
11322013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1133 Mark Wielaard <mjw@redhat.com>
1134
1135 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1136 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1137 dwfl_frame_regs.c.
1138 * core-file.c (dwfl_core_file_report): Call
1139 __libdwfl_attach_state_for_core.
1140 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1141 * dwfl_frame.c: New file.
1142 * frame_unwind.c: New file.
1143 * dwfl_frame_pc.c: New file.
1144 * linux-pid-attach.c: New file.
1145 * linux-core-attach.c: New file.
1146 * dwfl_frame_regs.c: New file.
1147 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1148 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1149 (Dwfl_Thread_Callbacks): New definition.
1150 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1151 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1152 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1153 (dwfl_frame_pc): New declarations.
1154 * libdwflP.h (Dwfl_Process): New typedef.
1155 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1156 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1157 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1158 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1159 (struct Dwfl): New entry process.
1160 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1161 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1162 (__libdwfl_process_free, __libdwfl_frame_unwind)
1163 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1164 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1165 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1166 (dwfl_frame_thread, dwfl_thread_state_registers)
1167 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1168 (dwfl_frame_pc): New INTDECL entries.
1169 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1170 __libdwfl_attach_state_for_pid.
1171 * segment.c (segment_start): Rename to ...
1172 (__libdwfl_segment_start): ... here and make it internal_function.
1173 (segment_end): Rename to ...
1174 (__libdwfl_segment_end): ... here and make it internal_function.
1175 (reify_segments, dwfl_report_segment): Rename them at the callers.
1176
11772013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1178
1179 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1180
11812013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1182
1183 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1184 retval. Fix one forgotten LISTED increase.
1185
11862013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1187
1188 Fix core files for re-prelink-ed files.
1189 * core-file.c (dynamic_vaddr_get): New function.
1190 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1191 dynamic_vaddr_get instead of using L_ADDR.
1192 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1193 * link_map.c (report_r_debug): Do not initialize l_addr.
1194
11952013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1196
1197 Code cleanup.
1198 * core-file.c (dwfl_core_file_report): Reindent block of code by
1199 continue keyword.
1200
12012013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1202
1203 * argp-std.c (parse_opt): Use executable parameter of
1204 dwfl_core_file_report.
1205 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1206 it to DWFL. Add NEW_VERSION for it.
1207 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1208 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1209 the function comment.
1210
12112013-10-15 Mark Wielaard <mjw@redhat.com>
1212
1213 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1214 mappings.
1215 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1216
12172013-09-12 Mark Wielaard <mjw@redhat.com>
1218
1219 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1220
12212013-09-12 Mark Wielaard <mjw@redhat.com>
1222
1223 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1224 bad_report.
1225
12262013-09-12 Mark Wielaard <mjw@redhat.com>
1227
1228 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1229 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1230
12312013-08-25 Mark Wielaard <mjw@redhat.com>
1232
1233 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1234 to dwfl_report_elf.
1235
12362013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1237
1238 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1239 conflicts all the modules, not just the first one. Compare L_LD if it
1240 is equal, not if it is in a module address range.
1241
12422013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1243
1244 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1245
12462013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1247
1248 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1249 (dwfl_core_file_report): Call __libdwfl_report_elf for
1250 R_DEBUG_INFO.MODULE.
1251 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1252 code of ...
1253 (__libdwfl_report_elf): ... this function. Call it.
1254 * dwfl_segment_report_module.c: Include unistd.h.
1255 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1256 Clear MODULE if it has no build-id and we have segment with build-id.
1257 Ignore this segment only if MODULE still contains valid ELF.
1258 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1259 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1260 and disk_file_has_build_id.
1261 (dwfl_link_map_report): Extend the comment.
1262 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1263 r_debug_info_module. Initialize also the new r_debug_info_module
1264 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1265 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1266
12672013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1268
1269 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1270
12712013-07-02 Mark Wielaard <mjw@redhat.com>
1272
1273 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1274
12752013-06-05 Mark Wielaard <mjw@redhat.com>
1276
1277 * link_map.c (report_r_debug): Always call release_buffer after
1278 memory_callback succeeded reading build_id.
1279
12802013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1281
1282 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1283 executable_for_core before calling dwfl_core_file_report.
1284 * core-file.c (clear_r_debug_info): New function.
1285 (dwfl_core_file_report): Move raw segments reporting lower. New
1286 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1287 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1288 * dwfl_module_build_id.c (check_notes): Move into
1289 __libdwfl_find_elf_build_id.
1290 (__libdwfl_find_build_id): Rename to ...
1291 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1292 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1293 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1294 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1295 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1296 adjust its data_elfaddr parameter.
1297 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1298 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1299 parameter r_debug_info. New variable name_is_final. Adjust addresses
1300 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1301 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1302 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1303 (struct r_debug_info_module, struct r_debug_info): New definitions.
1304 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1305 r_debug_info.
1306 * link_map.c: Include fcntl.h.
1307 (report_r_debug): Add parameter r_debug_info, describe it in the
1308 function comment. Delete dwfl_addrmodule call and its dependent code.
1309 Verify build-id before calling dwfl_report_elf, also supply
1310 executable_for_core to it. Store r_debug_info->module info when
1311 appropriate.
1312 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1313 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1314 caller parameters.
1315
13162013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1317
1318 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1319 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1320 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1321 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1322 NEW_VERSION.
1323 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1324 COMPAT_VERSION.
1325 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1326 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1327 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1328 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
1329 dwfl_report_elf.
1330 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
1331
13322013-04-27 Mark Wielaard <mjw@redhat.com>
1333
1334 * link_map.c: #include system.h.
1335
13362013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1337
1338 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
1339 them to lib/system.h.
1340
13412013-04-24 Mark Wielaard <mjw@redhat.com>
1342
1343 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1344
13452013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1346
1347 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
1348
13492013-03-12 Mark Wielaard <mjw@redhat.com>
1350
1351 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
1352
13532013-02-22 Mark Wielaard <mjw@redhat.com>
1354
1355 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
1356 as DWFL_E_BADELF when not used.
1357
13582013-02-10 Mark Wielaard <mjw@redhat.com>
1359
1360 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
1361 failure messages When handling ARGP_KEY_SUCCESS because arg will
1362 not have been set.
1363
13642013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1365
1366 * linux-proc-maps.c: Include system.h.
1367 (PROCEXEFMT, get_pid_class): New.
1368 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
1369 get_pid_class.
1370
13712013-01-23 Mark Wielaard <mjw@redhat.com>
1372
1373 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one
1374 from aux_syments by default.
1375 (find_symtab): Also succeed when only aux_symdata is found.
1376 When no symtab is found always try to load auxiliary table.
1377 (dwfl_module_getsymtab): Substract one from result when both
1378 tables have symbols.
1379 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
1380 zero entry when both tables have symbols.
1381 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract
1382 one from first_global when both tables have symbols.
1383
13842013-01-16 Mark Wielaard <mjw@redhat.com>
1385
1386 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
1387 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
1388 (dwfl_adjusted_aux_sym_addr): New function.
1389 (dwfl_deadjust_aux_sym_addr): Likewise.
1390 (dwfl_adjusted_st_value): Take and check symfile argument.
1391 (dwfl_deadjust_st_value): Likewise.
1392 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
1393 use dwfl_file as argument to set address_sync.
1394 (find_debuginfo): Call find_prelink_address_sync with debug file.
1395 (find_aux_sym): New function.
1396 (find_symtab): Use find_aux_sym if all we have is the dynsym table
1397 and fill in aux DwflModule fields.
1398 (dwfl_module_getsymtab): Return syments plus aux_syments.
1399 (load_symtab): Always set first_global.
1400 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
1401 when using same_section. Calculate first_global based on both
1402 mod->first_global and mod->aux_first_global.
1403 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
1404 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
1405 to retrieve symbol and name if necessary, making sure all locals
1406 from any table come before any globals.
1407 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
1408 with symfile.
1409 * relocate.c (resolve_symbol): Likewise.
1410
14112013-01-07 Roland McGrath <roland@hack.frob.com>
1412
1413 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
1414 still assume the data is at least 32-bit aligned anyway.
1415 (dwfl_link_map_report): Handle unaligned auxv data.
1416
14172012-12-11 Mark Wielaard <mjw@redhat.com>
1418
1419 * linux-kernel-modules.c (report_kernel): Only free fname if
1420 find_kernel_elf succeeds and allocates it.
1421 (report_kernel_archive): Fix brackets around unlikely expression.
1422
14232012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
1424
1425 * argp-std.c: Update Copyright year.
1426 (offline_find_elf): New function.
1427 (offline_callbacks): Use it for find_elf.
1428 (struct parse_opt): New.
1429 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
1430 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
1431 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
1432 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
1433 final state->input initialization optional.
1434 * dwfl_end.c: Update Copyright year.
1435 (dwfl_end): Free executable_for_core.
1436 * libdwflP.h: Update Copyright year.
1437 (struct Dwfl): New field executable_for_core.
1438
14392012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1440
1441 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
1442 calculation.
1443
14442012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1445
1446 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
1447 from ...
1448 (__libdwfl_getelf): ... here. Call it.
1449
14502012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1451
1452 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
1453
14542012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1455
1456 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1457 Initialize mod->MAIN_BIAS.
1458
14592012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1460
1461 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
1462 binding_value. Use it for both zero and non-zero size symbols
1463 comparisons.
1464
14652012-10-01 Mark Wielaard <mjw@redhat.com>
1466
1467 * cu.c (cudie_offset): Don't use type_sig8, it might not be
1468 initialized and these are always real CUs, never TUs.
1469
14702012-10-01 Mark Wielaard <mjw@redhat.com>
1471
1472 * derelocate.c (find_section): Check next section exists before
1473 accessing it.
1474
14752012-08-01 Petr Machata <pmachata@redhat.com>
1476
1477 * offline.c (process_archive_member): Ignore entry "/SYM64/".
1478
14792012-03-28 Roland McGrath <roland@hack.frob.com>
1480
1481 * dwfl_segment_report_module.c
1482 (dwfl_segment_report_module: read_portion): Don't use existing buffer
1483 when FILESZ is zero (string mode) and available portion doesn't hold
1484 a terminated string.
1485
14862011-12-02 Roland McGrath <roland@hack.frob.com>
1487
1488 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
1489 to use elf64_xlatetom and PHDRS.p64.
1490 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
1491
14922011-11-31 Mark Wielaard <mjw@redhat.com>
1493
1494 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
1495 global symbols. Then only when that doesn't provide a match search
1496 all local symbols too.
1497 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
1498 and fill it in.
1499 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
1500 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
1501
15022011-11-31 Mark Wielaard <mjw@redhat.com>
1503
1504 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
1505 sizeless_sym if needed and closer to desired addr.
1506
15072011-10-20 Mark Wielaard <mjw@redhat.com>
1508
1509 * derelocate.c (cache_sections): Intern mod->reloc_info check.
1510 (dwfl_module_relocations): Don't check mod->reloc_info.
1511 (dwfl_module_relocation_info): Likewise.
1512 (find_section): Likewise.
1513
15142011-07-09 Roland McGrath <roland@hack.frob.com>
1515
1516 * image-header.c (LE32): Macro removed (now in lib/system.h).
1517
15182011-04-11 Mark Wielaard <mjw@redhat.com>
1519
1520 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
1521 by check for zlib, bzlib or lzma defines to check it isn't empty.
1522 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
1523
15242011-03-08 Roland McGrath <roland@redhat.com>
1525
1526 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
1527 Reported by Kurt Roeckx <kurt@roeckx.be>.
1528
15292011-02-11 Roland McGrath <roland@redhat.com>
1530
1531 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
1532 suffixes if corresponding decompression support is enabled.
1533
15342011-02-01 Roland McGrath <roland@redhat.com>
1535
1536 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
1537 section-end address as the synchronization point, rather than sh_addr.
1538
1539 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
1540 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
1541
1542 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
1543 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
1544
15452011-01-11 Roland McGrath <roland@redhat.com>
1546
1547 * dwfl_module_getdwarf.c (open_elf): Remove section-based
1548 address_sync fixup from here.
1549 (find_prelink_address_sync): New function.
1550 (find_debuginfo): Call it.
1551 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
1552
15532011-01-04 Roland McGrath <roland@redhat.com>
1554
1555 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
1556 logic to consider section addresses, the better to survive all the
1557 possible prelink machinations.
1558 * libdwflP.h (struct dwfl_file): Comment change.
1559
15602010-11-30 Roland McGrath <roland@redhat.com>
1561
1562 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
1563
15642010-11-12 Roland McGrath <roland@redhat.com>
1565
1566 * libdwflP.h (struct Dwfl_Module): New member main_bias.
1567 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
1568 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
1569
1570 * libdwflP.h (dwfl_deadjust_address): New function.
1571 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
1572 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
1573 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
1574
15752010-11-11 Roland McGrath <roland@redhat.com>
1576
1577 * libdwflP.h (struct dwfl_file): Remove bias member.
1578 Add vaddr and address_sync members instead.
1579 (dwfl_adjusted_address): Calculate using vaddr.
1580 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
1581 (dwfl_adjusted_st_value): Use one of those calls.
1582 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
1583 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1584 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
1585 * link_map.c (consider_executable): Adjust only MOD->low_addr for
1586 detected PIE bias change.
1587
1588 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
1589 * dwfl_module_info.c: Use it.
1590 * cu.c (addrarange): Likewise.
1591 * dwfl_dwarf_line.c: Likewise.
1592 * dwfl_module_dwarf_cfi.c: Likewise.
1593 * dwfl_lineinfo.c: Likewise.
1594 * dwfl_nextcu.c: Likewise.
1595 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
1596
1597 * libdwflP.h (dwfl_adjusted_st_value): New function.
1598 * relocate.c (resolve_symbol): Use it.
1599 * dwfl_module_getsym.c: Likewise.
1600 * dwfl_module_addrsym.c: Likewise.
1601 * dwfl_module_info.c: Likewise.
1602
1603 * libdwflP.h (dwfl_adjusted_address): New function.
1604 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
1605 * relocate.c (__libdwfl_relocate_value): Likewise.
1606 * derelocate.c (cache_sections): Likewise.
1607 (dwfl_module_address_section): Likewise.
1608 * dwfl_module_getelf.c: Likewise.
1609 * dwfl_module_eh_cfi.c: Likewise.
1610 * link_map.c (consider_executable): Likewise.
1611
16122010-08-24 Roland McGrath <roland@redhat.com>
1613
1614 * dwfl_dwarf_line.c: New file.
1615 * Makefile.am (libdwfl_a_SOURCES): Add it.
1616
16172010-08-18 Roland McGrath <roland@redhat.com>
1618
1619 * link_map.c (report_r_debug): Use found name if we have no name,
1620 even if we already have an Elf handle.
1621
16222010-06-30 Roland McGrath <roland@redhat.com>
1623
1624 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
1625 confused by -1 return from dwfl_build_id_find_elf after it opened
1626 the Elf handle.
1627 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
1628 dwfl_build_id_find_debuginfo.
1629
16302010-06-16 Roland McGrath <roland@redhat.com>
1631
1632 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
1633
16342010-06-14 Roland McGrath <roland@redhat.com>
1635
1636 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
1637 candidate file to that st_dev/st_ino and pretend it didn't exist
1638 if they match.
1639 (find_debuginfo_in_path): Update caller, pass main file's info.
1640
16412010-05-20 Roland McGrath <roland@redhat.com>
1642
1643 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
1644 (grovel_auxv): ... this. Take DWFL argument.
1645 (dwfl_linux_proc_report): Update caller.
1646
1647 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
1648 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
1649
16502010-05-19 Roland McGrath <roland@redhat.com>
1651
1652 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
1653
16542010-05-06 Roland McGrath <roland@redhat.com>
1655
1656 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
1657
1658 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
1659 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
1660 ID but we didn't find a file.
1661 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
1662 and refuse any fallback file-by-name if it lacks the matching ID.
1663
1664 * dwfl_error.c (dwfl_errno): Add INTDEF.
1665 * libdwflP.h: Add INTDECL.
1666
1667 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
1668 failure cases.
1669
16702010-05-04 Roland McGrath <roland@redhat.com>
1671
1672 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
1673 ET_DYN that has a DT_DEBUG.
1674
1675 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
1676
1677 * segment.c (insert): Fix moving of values following insertion.
1678 (reify_segments): Fix up MOD->segment backpointer indices after
1679 later insertions in the main loop invalidate them.
1680
1681 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
1682 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
1683
1684 * core-file.c (dwfl_core_file_report): Return any nonzero count of
1685 modules reported, even if link_map grovelling failed and only sniffing
1686 found anything.
1687
16882010-04-26 Roland McGrath <roland@redhat.com>
1689
1690 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
1691 Works around probably-wrong ld -r behavior for case of a DWARF address
1692 constant that refers to a discarded SHF_ALLOC section.
1693
16942010-04-14 Roland McGrath <roland@redhat.com>
1695
1696 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
1697 an upper bound on sane possible number of elements.
1698
16992010-03-11 Roland McGrath <roland@redhat.com>
1700
1701 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
1702 the second half for 32-bit matches.
1703
17042010-03-10 Roland McGrath <roland@redhat.com>
1705
1706 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
1707 * argp-std.c (parse_opt): Update caller.
1708 * libdwfl.h: Declare dwfl_core_file_report.
1709 * libdwflP.h: Don't.
1710
17112010-02-17 Roland McGrath <roland@redhat.com>
1712
1713 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
1714 If set, find the first index not below ADDR.
1715 (dwfl_segment_report_module): Update callers.
1716 Pass true when calculating return value.
1717
17182010-02-15 Roland McGrath <roland@redhat.com>
1719
1720 * Makefile.am: Use config/eu.am for common stuff.
1721
1722 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
1723 variable in failure path.
1724
17252010-02-02 Mark Wielaard <mjw@redhat.com>
1726
1727 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
1728 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
1729
17302010-01-07 Roland McGrath <roland@redhat.com>
1731
1732 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
1733 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1734 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
1735 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1736
17372010-01-06 Roland McGrath <roland@redhat.com>
1738
1739 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
1740 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
1741
17422009-11-16 Roland McGrath <roland@redhat.com>
1743
1744 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
1745
17462009-11-12 Petr Machata <pmachata@redhat.com>
1747
1748 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
1749 the chunk is both offset-contiguous and vaddr-contiguous.
1750
17512009-11-05 Roland McGrath <roland@redhat.com>
1752
1753 * link_map.c (report_r_debug): Skip entries with l_ld==0.
1754 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
1755
17562009-09-04 Roland McGrath <roland@redhat.com>
1757
1758 * image-header.c (__libdw_image_header): Fix tranposed comparison.
1759
17602009-08-27 Roland McGrath <roland@redhat.com>
1761
1762 * image-header.c: New file.
1763 * Makefile.am (libdwfl_a_SOURCES): Add it.
1764 * libdwflP.h: Declare __libdw_image_header.
1765 * open.c (decompress): Don't consume ELF on failure.
1766 (what_kind): New function, broken out of ...
1767 (__libdw_open_file): ... here. Call it.
1768 If it fails, try __libdw_image_header and then try what_kind again.
1769
1770 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
1771 leave it behind for next decompressor.
1772 * open.c (decompress): Free BUFFER on failure.
1773
17742009-08-26 Roland McGrath <roland@redhat.com>
1775
1776 * gzip.c (find_zImage_payload): New function, broken out of ...
1777 (mapped_zImage): ... here. Call it.
1778 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
1779 stupid method of just trying the decoder.
1780
1781 * open.c [USE_LZMA]: Try __libdw_unlzma.
1782 * libdwflP.h: Declare it.
1783 (DWFL_ERRORS): Add DWFL_E_LZMA.
1784 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
1785 * lzma.c: New file.
1786 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
1787
1788 * gzip.c (mapped_zImage): Limit scan to 32kb.
1789 Make this unconditional, support bzip2 kernel images too.
1790 (unzip): Use direct inflate method for non-mmap case too.
1791 Only zlib uses the stream method.
1792
17932009-08-09 Roland McGrath <roland@redhat.com>
1794
1795 * dwfl_module_build_id.c: Use new macros for versioned definitions.
1796
17972009-07-08 Roland McGrath <roland@redhat.com>
1798
1799 * dwfl_module_dwarf_cfi.c: New file.
1800 * dwfl_module_eh_cfi.c: New file.
1801 * Makefile.am (libdwfl_a_SOURCES): Add them.
1802 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
1803 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
1804
18052009-07-08 Roland McGrath <roland@redhat.com>
1806
1807 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
1808
18092009-06-18 Mark Wielaard <mjw@redhat.com>
1810
1811 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
1812
18132009-06-13 Ulrich Drepper <drepper@redhat.com>
1814
1815 * derelocate.c: Don't use deprecated libelf functions.
1816 * dwfl_module_getdwarf.c: Likewise.
1817 * relocate.c: Likewise.
1818
18192009-04-23 Ulrich Drepper <drepper@redhat.com>
1820
1821 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
1822 defined. Otherwise just define the latest version.
1823
18242009-04-22 Roland McGrath <roland@redhat.com>
1825
1826 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
1827 a non-ET_REL module.
1828
1829 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
1830 adjust properly for non-ET_REL.
1831
18322009-04-21 Roland McGrath <roland@redhat.com>
1833
1834 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
1835
1836 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
1837 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
1838 for ET_REL.
1839 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1840
18412009-04-20 Roland McGrath <roland@redhat.com>
1842
1843 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
1844
18452009-04-19 Roland McGrath <roland@redhat.com>
1846
1847 * dwfl_module_getdwarf.c (find_file): Renamed to ...
1848 (__libdwfl_getelf): ... this. Make it global.
1849 (find_symtab, find_dw): Update callers.
1850 (dwfl_module_getelf): Functions moved ...
1851 * dwfl_module_getelf.c: ... here, new file.
1852 * Makefile.am (libdwfl_a_SOURCES): Add it.
1853 * libdwflP.h: Declare __libdwfl_getelf.
1854
18552009-04-14 Roland McGrath <roland@redhat.com>
1856
1857 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
1858 absolute (already adjusted in place) or needing load bias adjustment.
1859
1860 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
1861 gelf_getphdr failure. Fix file size limit checks.
1862
1863 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
1864
18652009-04-08 Roland McGrath <roland@redhat.com>
1866
1867 * dwfl_module_getsym.c: Don't adjust for bias again after
1868 __libdwfl_relocate_value.
1869
1870 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
1871 a non-SHF_ALLOC section.
1872 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
1873 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
1874
18752009-03-09 Roland McGrath <roland@redhat.com>
1876
1877 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
1878 variable to outer scope, so we cache it for the loop.
1879
1880 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
1881
18822009-02-12 Roland McGrath <roland@redhat.com>
1883
1884 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
1885 __libdwfl_relocate_value to find correct sh_addr value.
1886
18872009-02-10 Roland McGrath <roland@redhat.com>
1888
1889 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
1890 If false, don't fail for NO_PHDR.
1891 (dwfl_report_elf): Update caller.
1892 * libdwflP.h: Update decl.
1893 * offline.c (process_elf): Call it with false, so we don't refuse
1894 dubiously-formed objects here.
1895
1896 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
1897 finds our module. We shouldn't crash when we confuse some guesses.
1898
18992009-02-10 Ulrich Drepper <drepper@redhat.com>
1900
1901 * open.c (decompress): Avoid crash with empty input file.
1902
19032009-01-27 Roland McGrath <roland@redhat.com>
1904
1905 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
1906 with zero vaddr and memsz.
1907
19082009-01-22 Roland McGrath <roland@redhat.com>
1909
1910 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
1911
1912 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
1913 after address-matching loop.
1914
1915 * segment.c (lookup): Fix fencepost in checking for HINT match.
1916
19172009-01-14 Roland McGrath <roland@redhat.com>
1918
1919 * gzip.c [!BZLIB] (mapped_zImage): New function.
1920 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
1921
19222009-01-10 Ulrich Drepper <drepper@redhat.com>
1923
1924 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
1925
19262009-01-08 Roland McGrath <roland@redhat.com>
1927
1928 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
1929 Skip subdirectory named "source".
1930 (dwfl_linux_kernel_find_elf): Likewise.
1931
19322009-01-06 Roland McGrath <roland@redhat.com>
1933
1934 * linux-kernel-modules.c (check_suffix): New function.
1935 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
1936 (dwfl_linux_kernel_report_offline): Use it.
1937 (dwfl_linux_kernel_find_elf): Likewise.
1938
19392009-01-05 Roland McGrath <roland@redhat.com>
1940
1941 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
1942 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
1943 * dwfl_build_id_find_elf.c: Likewise.
1944 * dwfl_module_getdwarf.c (open_elf): Likewise.
1945 * dwfl_report_elf.c: Likewise.
1946 * find-debuginfo.c (validate): Likewise.
1947 * offline.c (__libdwfl_report_offline): Likewise.
1948
1949 * libdwflP.h: Declare __libdw_open_file.
1950 * open.c: New file.
1951 * Makefile.am (libdwfl_a_SOURCES): Add it.
1952
1953 * gzip.c: New file.
1954 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
1955 * bzip2.c: New file.
1956 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
1957 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
1958
19592008-12-16 Roland McGrath <roland@redhat.com>
1960
1961 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
1962 symver magic to bind to ELFUTILS_0.138.
1963 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
1964 wrapper for ELFUTILS_0.130 version set.
1965
19662008-12-18 Roland McGrath <roland@redhat.com>
1967
1968 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
1969 addresses are taken as relative to MOD->low_addr.
1970
19712008-12-15 Roland McGrath <roland@redhat.com>
1972
1973 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
1974 debug.bias.
1975
19762008-12-11 Roland McGrath <roland@redhat.com>
1977
1978 * offline.c (process_archive): Don't call elf_end and close if
1979 returning NULL. Check first elf_begin call and set error code
1980 specially for empty archive.
1981 Fixes RHBZ#465878.
1982
19832008-12-02 Roland McGrath <roland@redhat.com>
1984
1985 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
1986
19872008-11-26 Roland McGrath <roland@redhat.com>
1988
1989 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
1990 return value, and interpret encoded OFFSET argument.
1991
19922008-10-07 Roland McGrath <roland@redhat.com>
1993
1994 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
1995
19962008-09-29 Roland McGrath <roland@redhat.com>
1997
1998 * segment.c (insert): Must realloc DWFL->lookup_module here too.
1999 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2000
20012008-08-28 Roland McGrath <roland@redhat.com>
2002
2003 * segment.c (reify_segments): Fix last change.
2004
20052008-08-27 Roland McGrath <roland@redhat.com>
2006
2007 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2008 failure from pread64.
2009
20102008-08-26 Roland McGrath <roland@redhat.com>
2011
2012 * segment.c (reify_segments): Insert a trailing segment for a module
2013 end that is above the highest current segment.
2014
20152008-08-25 Roland McGrath <roland@redhat.com>
2016
2017 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2018 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2019 if FILE->elf is not ELF_K_ELF.
2020
2021 * dwfl_segment_report_module.c: Add a cast.
2022
20232008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2024
2025 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2026 which decides which symbol is "closest" to a given address.
2027
20282008-08-15 Roland McGrath <roland@redhat.com>
2029
2030 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2031 (options, parse_opt): Handle --core.
2032
2033 * core-file.c: New file.
2034 * Makefile.am (libdwfl_a_SOURCES): Add it.
2035 * libdwflP.h (dwfl_core_file_report): Declare it.
2036
2037 * link_map.c: New file.
2038 * Makefile.am (libdwfl_a_SOURCES): Add it.
2039 * libdwflP.h (dwfl_link_map_report): Declare it.
2040
2041 * libdwflP.h (MIN, MAX): New macros.
2042 (Dwfl_Memory_Callback): New typedef.
2043 (Dwfl_Module_Callback): New typedef.
2044 (dwfl_segment_report_module): Declare it.
2045 * dwfl_segment_report_module.c: New file.
2046 * Makefile.am (libdwfl_a_SOURCES): Add it.
2047
2048 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2049 * libdwflP.h: Add INTDECL.
2050
2051 * segment.c: New file.
2052 * Makefile.am (libdwfl_a_SOURCES): Add it.
2053 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2054 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2055 lookup_addr, lookup_module, lookup_segndx, replace removed members
2056 modules, nmodules.
2057 (struct Dwfl_Module): New member segment.
2058 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2059 to each free module.
2060 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2061 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2062 (dwfl_report_module): Don't touch DWFL->nmodules.
2063 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2064 (compare_modules): Function removed.
2065 * dwfl_getmodules.c: Rewritten.
2066 Add INTDEF.
2067 * libdwflP.h: Add INTDECLs.
2068 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2069 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2070
20712008-08-03 Roland McGrath <roland@redhat.com>
2072
2073 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2074
20752008-07-17 Roland McGrath <roland@redhat.com>
2076
2077 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2078 zero if the failure was only ENOENT.
2079
20802008-06-03 Roland McGrath <roland@redhat.com>
2081
2082 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2083 symbols.
2084
20852008-05-22 Petr Machata <pmachata@redhat.com>
2086
2087 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2088
20892008-05-06 Roland McGrath <roland@frob.com>
2090
2091 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2092 FTS_LOGICAL here too.
2093 (dwfl_linux_kernel_find_elf): Likewise.
2094
20952008-04-29 Roland McGrath <roland@redhat.com>
2096
2097 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2098 based on canonicalize_file_name if it differs from the supplied name.
2099
2100 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2101 we accept symlinks.
2102
21032008-04-27 Roland McGrath <roland@redhat.com>
2104
2105 * linux-kernel-modules.c (report_kernel): Fix crash when
2106 dwfl_report_elf fails.
2107
21082008-04-05 Roland McGrath <roland@redhat.com>
2109
2110 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2111
2112 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2113 Clear it after freeing.
2114 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2115
21162008-03-26 Roland McGrath <roland@redhat.com>
2117
2118 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2119 SHT_DYNSYM, just set *SYMSCN like the comment says.
2120
2121 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2122
2123 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2124
21252008-03-19 Roland McGrath <roland@redhat.com>
2126
2127 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2128
21292008-03-01 Roland McGrath <roland@redhat.com>
2130
2131 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2132 prototype to avoid older compiler's complaint about reuse of the name.
2133 (__libdwfl_canon_error): Likewise.
2134
21352008-02-19 Roland McGrath <roland@redhat.com>
2136
2137 * relocate.c (relocate_section): Check for an unhandled relocation
2138 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2139 DWFL_E_UNKNOWN_MACHINE check out of loops.
2140
2141 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2142 DEBUGFILE->relocated is already set.
2143
21442008-01-26 Roland McGrath <roland@redhat.com>
2145
2146 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2147
2148 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2149 incoming *FILE_NAME at the start.
2150
21512008-01-08 Roland McGrath <roland@redhat.com>
2152
2153 * Makefile.am (euinclude): Variable removed.
2154 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2155
21562007-10-23 Roland McGrath <roland@redhat.com>
2157
2158 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2159 module to appear first.
2160
21612007-10-20 Roland McGrath <roland@redhat.com>
2162
2163 * offline.c (process_archive_member): Take FD argument, pass it down
2164 to process_file. Return Elf_Cmd, not bool.
2165 Call elf_next here, always before elf_end.
2166 (process_archive): Update caller. Don't close FD here unless there
2167 are no member refs.
2168
2169 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2170
2171 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2172 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2173 partial relocation to one or both files.
2174 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2175 relocations have been applied to the debug file if dwfl_module_getelf
2176 has been used before.
2177
2178 * relocate.c (resolve_symbol): New function.
2179 (relocate_section): Call it.
2180
2181 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2182 (relocate_section): Take new bool arg, PARTIAL. If true,
2183 no error for BADRELTYPE/RELUNDEF, instead just skip them
2184 and leave only those skipped relocs behind the reloc section.
2185 (__libdwfl_relocate_section): Take new arg, pass it down.
2186 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2187 do partial relocation on all sections.
2188 * dwfl_module_getdwarf.c (load_dw): Update caller.
2189 * libdwflP.h: Update decls.
2190 * derelocate.c (dwfl_module_address_section): Pass new argument
2191 to __libdwfl_relocate_section, true.
2192
2193 * derelocate.c (cache_sections): Don't cache reloc sections when
2194 section_address callback is null.
2195
21962007-10-19 Roland McGrath <roland@redhat.com>
2197
2198 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2199
2200 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2201 (struct secref): Likewise.
2202 (cache_sections): Cache the relocation section referring to each
2203 section we cache, if any.
2204 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2205 necessary.
2206
2207 * relocate.c (struct reloc_symtab_cache): New type.
2208 (relocate_getsym): Use it instead of four arguments.
2209 (__libdwfl_relocate): Update caller.
2210 (relocate_section): New function, broken out of ...
2211 (__libdwfl_relocate): ... here.
2212 (__libdwfl_relocate_section): New function.
2213 * libdwflP.h: Declare it.
2214
22152007-10-17 Roland McGrath <roland@redhat.com>
2216
2217 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2218 to relocated st_value.
2219
2220 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2221 ET_REL to 0x100.
2222
22232007-10-16 Roland McGrath <roland@redhat.com>
2224
2225 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2226 section has larger alignment requirements not met by the original BASE,
2227 rather than padding more between sections.
2228
2229 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2230
2231 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2232 to sh_addr value.
2233
2234 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2235 at zero in ET_REL case. Adjust BASE to necessary alignment.
2236
2237 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2238 for DATA_VADDR.
2239 (__libdwfl_find_build_id): Update caller.
2240
2241 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2242 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2243 * offline.c (dwfl_offline_section_address): Bail early if there is
2244 separate debug file.
2245
2246 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2247
22482007-10-09 Roland McGrath <roland@redhat.com>
2249
2250 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2251 caching SHDR->sh_addr = 0.
2252 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2253 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2254
2255 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2256 we've found SHT_SYMTAB.
2257
2258 * relocate.c (relocate_getsym): New function.
2259 (__libdwfl_relocate): Use it.
2260 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2261 be a pointer instead of value; cache getshstrndx result there.
2262 * libdwflP.h: Update decl.
2263 * derelocate.c (cache_sections): Update caller.
2264 Always work on the main file, not the symfile.
2265 (dwfl_module_address_section): Likewise.
2266 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2267
22682007-10-07 Roland McGrath <roland@redhat.com>
2269
2270 * offline.c (process_archive): Initialize MOD.
2271
2272 * linux-kernel-modules.c (get_release): New function, broken out of ...
2273 (report_kernel): ... here. Call it.
2274 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2275 (find_kernel_elf): Update caller.
2276 (report_kernel_archive): New function.
2277 (dwfl_linux_kernel_report_offline): Call it.
2278
2279 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2280 (process_archive): Likewise.
2281 (process_archive_member): Likewise. When nonnull, let the predicate
2282 decide whether to use this member.
2283 (__libdwfl_report_offline): New function, broken out of ...
2284 (dwfl_report_offline): ... here. Call it.
2285 * libdwflP.h: Declare it.
2286
2287 * offline.c (process_archive, process_archive_member): New functions.
2288 (process_elf, process_file): New functions, broken out of ...
2289 (dwfl_report_offline): ... here. Call process_file, which recurses on
2290 ELF_K_AR files.
2291
2292 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2293 (dwfl_report_elf): ... here. Call it.
2294 * libdwflP.h: Declare it.
2295
22962007-10-06 Roland McGrath <roland@redhat.com>
2297
2298 * derelocate.c (dwfl_module_relocations): Don't call
2299 dwfl_module_getdwarf.
2300
2301 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2302 __libdw_seterrno.
2303
2304 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2305 SHF_ALLOC, to cache sh_addr resolved to 0.
2306
2307 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2308 values nonzero already, just use its existing layout.
2309
2310 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2311 in-core shdr after applying it.
2312
23132007-10-04 Ulrich Drepper <drepper@redhat.com>
2314
2315 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2316 initialization of notes variable.
2317
23182007-10-04 Roland McGrath <roland@redhat.com>
2319
2320 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2321 fill in with vaddr of "__start_notes" symbol if found.
2322 (check_notes): New function.
2323 (check_kernel_notes): New function.
2324 (dwfl_linux_kernel_report_kernel): Call it.
2325 (check_module_notes): New function.
2326 (dwfl_linux_kernel_report_modules): Call it.
2327
2328 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2329 Try dwfl_build_id_find_elf first.
2330
2331 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
2332 Set kernel module e_type to ET_DYN.
2333
23342007-10-03 Roland McGrath <roland@redhat.com>
2335
2336 * find-debuginfo.c (validate): New function, broken out of ...
2337 (find_debuginfo_in_path): ... here. New function, broken out of ...
2338 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
2339 dwfl_build_id_find_debuginfo first.
2340
2341 * dwfl_build_id_find_elf.c: New file.
2342 * dwfl_build_id_find_debuginfo.c: New file.
2343 * Makefile.am (libdwfl_a_SOURCES): Add them.
2344 * libdwfl.h: Declare them.
2345 * libdwflP.h: Add INTDECLs.
2346
2347 * dwfl_module_build_id.c: New file.
2348 * dwfl_module_report_build_id.c: New file.
2349 * Makefile.am (libdwfl_a_SOURCES): Add them.
2350 * libdwfl.h: Declare them.
2351 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
2352 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
2353 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
2354
2355 * dwfl_module_getdwarf.c (find_offsets): New function.
2356 (find_dynsym): New function, calls that.
2357 (find_symtab): Call it.
2358
23592007-09-11 Roland McGrath <roland@redhat.com>
2360
2361 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
2362 address if its st_size is smaller.
2363
23642007-08-13 Roland McGrath <roland@redhat.com>
2365
2366 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2367
23682007-08-12 Roland McGrath <roland@redhat.com>
2369
2370 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
2371 FTS_LOGICAL.
2372
2373 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
2374 a second phdr if it happens to match EHDR_VMA exactly.
2375
23762007-08-08 Roland McGrath <roland@redhat.com>
2377
2378 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
2379 those with no names. Rewrite best symbol algorithm not to assume a
2380 sorted table and to be smarter handling sizeless symbols.
2381
23822007-07-16 Roland McGrath <roland@redhat.com>
2383
2384 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
2385 reviving an existing module.
2386
23872007-06-08 Roland McGrath <roland@redhat.com>
2388
2389 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
2390
23912007-05-17 Roland McGrath <roland@redhat.com>
2392
2393 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
2394 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
2395 (dwfl_linux_kernel_find_elf): Likewise.
2396
2397 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2398 getline and sscanf instead of fscanf.
2399
24002007-05-08 Roland McGrath <roland@redhat.com>
2401
2402 * offline.c (dwfl_offline_section_address): Don't assume section
2403 numbers match between stripped and debuginfo files. Instead, assume
2404 only that the ordering among SHF_ALLOC sections matches.
2405
2406 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
2407 pointer to string.
2408 (dwfl_linux_kernel_report_offline): Update caller.
2409 (dwfl_linux_kernel_report_kernel): Likewise.
2410
24112007-04-23 Roland McGrath <roland@redhat.com>
2412
2413 * argp-std.c (options): Fix group title string.
2414
2415 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
2416 Update via STATE->input every time we set STATE->hook, not only at
2417 ARGP_KEY_SUCCESS.
2418
2419 * dwfl_module.c (free_file): Free FILE->name.
2420
24212007-04-16 Roland McGrath <roland@redhat.com>
2422
2423 * derelocate.c (cache_sections): Apply bias to sh_addr.
2424 (compare_secrefs): Fix address comparison to avoid signed overflow.
2425 (find_section): New function, broken out of ...
2426 (dwfl_module_relocate_address): ... here, call it.
2427 (check_module): New function, broken out of ...
2428 (dwfl_module_relocate_address): ... here, call it.
2429 (dwfl_module_address_section): New function.
2430 * libdwfl.h: Declare it.
2431
24322007-03-26 Roland McGrath <roland@redhat.com>
2433
2434 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2435
24362007-03-18 Roland McGrath <roland@redhat.com>
2437
2438 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
2439 (find_debuginfo): ... here. Call it.
2440 Don't return error for libelf errors finding .gnu_debuglink section.
2441
24422007-03-12 Roland McGrath <roland@redhat.com>
2443
2444 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
2445 (dwfl_report_begin): ... here. Call it.
2446 * libdwfl.h: Declare it.
2447 * libdwflP.h: Add INTDECL.
2448
2449 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2450
2451 * offline.c: Comment typo fix.
2452
24532007-03-04 Roland McGrath <roland@redhat.com>
2454
2455 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
2456 (find_kernel_elf): New function, broken out of ...
2457 (report_kernel): ... here. Call it.
2458 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
2459 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
2460 virtual address bounds of kernel from symbols rounded to page size.
2461 (dwfl_linux_kernel_report_kernel): Use that if it works, before
2462 resorting to report_kernel.
2463
2464 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
2465 ET_EXEC file with nonzero bias.
2466
2467 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
2468 dwfl_module_addrsym. Guts moved to ...
2469 * dwfl_module_addrsym.c: ... here; new file.
2470 * Makefile.am (libdwfl_a_SOURCES): Add it.
2471 * libdwfl.h: Declare dwfl_module_addrsym.
2472 * libdwflP.h: Add INTDECL.
2473
24742007-03-03 Roland McGrath <roland@redhat.com>
2475
2476 * dwfl_module.c (free_file): New function, broken out of ...
2477 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
2478
2479 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
2480 on libelf failure.
2481
24822007-03-02 Roland McGrath <roland@redhat.com>
2483
2484 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
2485
24862007-02-02 Roland McGrath <roland@redhat.com>
2487
2488 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
2489 address exactly if it's no other module's low boundary.
2490
2491 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
2492 and size cover the address, select the closest symbol with st_size==0
2493 that lies in the same section.
2494
24952007-01-29 Roland McGrath <roland@redhat.com>
2496
2497 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2498 not PACKAGE_STRING.
2499
25002007-01-20 Roland McGrath <roland@redhat.com>
2501
2502 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
2503 as omitted, not 0.
2504 * libdwfl.h (Dwfl_Callbacks): Update comment.
2505 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
2506 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2507 For ignored missing section, use -1 instead of 0.
2508 * offline.c (dwfl_offline_section_address): Expect a call for 0.
2509
25102007-01-19 Roland McGrath <roland@redhat.com>
2511
2512 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
2513 zero so a lone -e foo.so is shown without address bias.
2514
25152007-01-10 Roland McGrath <roland@redhat.com>
2516
2517 * linux-kernel-modules.c (report_kernel): Check asprintf return value
2518 directly instead of via side effect, to silence warn_unused_result.
2519 (dwfl_linux_kernel_report_offline): Likewise.
2520 (dwfl_linux_kernel_find_elf): Likewise.
2521 (dwfl_linux_kernel_module_section_address): Likewise.
2522 * find-debuginfo.c (try_open): Likewise.
2523 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
2524 (dwfl_linux_proc_report): Likewise.
2525
2526 * libdwfl.h (dwfl_begin): Require nonnull argument.
2527
25282006-12-27 Roland McGrath <roland@redhat.com>
2529
2530 * dwfl_module.c (compare_modules): Fix address comparison to avoid
2531 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
2532
25332006-10-30 Roland McGrath <roland@redhat.com>
2534
2535 * dwfl_module.c (dwfl_report_module): Comment typo fix.
2536
25372006-09-05 Roland McGrath <roland@redhat.com>
2538
2539 * derelocate.c (cache_sections): Use alloca instead of variable-sized
2540 auto array, in function already using alloca.
2541
25422006-08-14 Roland McGrath <roland@redhat.com>
2543
2544 * linux-kernel-modules.c (try_kernel_name): If the call to
2545 dwfl_standard_find_debuginfo produces no results, try it again
2546 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
2547
2548 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
2549 * libdwflP.h: ... to here.
2550 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
2551 repeats the first thing dwfl_standard_find_debuginfo will try.
2552
2553 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
2554 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
2555 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
2556 section name.
2557
25582006-07-12 Ulrich Drepper <drepper@redhat.com>
2559
2560 * cu.c: Adjust for internal_function_def removal.
2561 * dwfl_error.c: Likewise.
2562 * dwfl_module.c: Likewise.
2563 * dwfl_module_getdwarf.c: Likewise.
2564 * lines.c: Likewise.
2565 * relocate.c: Likewise.
2566
25672006-07-11 Ulrich Drepper <drepper@redhat.com>
2568
2569 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
2570 it can overflow the return value type.
2571 Patch by Tim Moore <timoore@redhat.com>.
2572
25732006-06-28 Roland McGrath <roland@redhat.com>
2574
2575 * libdwfl.h: Cosmetic changes.
2576
2577 * dwfl_line_comp_dir.c: New file.
2578 * Makefile.am (libdwfl_a_SOURCES): Add it.
2579 * libdwfl.h: Declare dwfl_line_comp_dir.
2580
2581 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
2582
2583 * dwfl_linecu.c: New file.
2584 * Makefile.am (libdwfl_a_SOURCES): Add it.
2585 * libdwfl.h: Declare dwfl_linecu.
2586
2587 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
2588 (dwfl_linecu): Define as macro.
2589
2590 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
2591
2592 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
2593 (dwfl_module_addrname): Function moved ...
2594 * dwfl_module_addrname.c: ... here, new file.
2595 * dwfl_module_getsym.c: New file.
2596 * Makefile.am (libdwfl_a_SOURCES): Add them.
2597 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
2598 * libdwflP.h: Add INTDECLs.
2599
26002006-06-27 Roland McGrath <roland@redhat.com>
2601
2602 * dwfl_module.c (dwfl_report_end): Whitespace fix.
2603
26042006-06-13 Roland McGrath <roland@redhat.com>
2605
2606 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2607 Use __libdwfl_seterrno for elf_memory failure.
2608
26092006-05-22 Roland McGrath <roland@redhat.com>
2610
2611 * dwfl_module_return_value_location.c
2612 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2613
26142006-05-27 Ulrich Drepper <drepper@redhat.com>
2615
2616 * libdwfl.h: Add extern "C".
2617
26182006-05-22 Ulrich Drepper <drepper@redhat.com>
2619
2620 * cu.c (addrarange): Handle files without aranges information.
2621
26222006-05-16 Ulrich Drepper <drepper@redhat.com>
2623
2624 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
2625 ->modules is NULL.
2626
26272006-02-26 Roland McGrath <roland@redhat.com>
2628
2629 * dwfl_version.c: New file.
2630 * Makefile.am (libdwfl_a_SOURCES): Add it.
2631 * libdwfl.h: Declare dwfl_version.
2632
2633 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
2634 aligned up from DWFL->offline_next_address when checking for overlap.
2635
26362005-12-22 Roland McGrath <roland@redhat.com>
2637
2638 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
2639
2640 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
2641 (dwfl_linux_proc_report): ... here. Call it.
2642 (dwfl_linux_proc_maps_report): New function.
2643 * libdwfl.h: Declare it.
2644 * libdwflP.h: Add INTDECL.
2645 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
2646
2647 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
2648 failed with DWFL_E_NO_DWARF.
2649
26502005-11-26 Roland McGrath <roland@redhat.com>
2651
2652 * dwfl_end.c (dwfl_end): Free the DWFL itself.
2653
26542005-11-25 Roland McGrath <roland@redhat.com>
2655
2656 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
2657 (load_dw): Use it.
2658 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
2659 * libdwflP.h: Declare it.
2660
2661 * dwfl_module_register_names.c: New file.
2662 * Makefile.am (libdwfl_a_SOURCES): Add it.
2663 * libdwfl.h: Declare dwfl_module_register_names.
2664
26652005-11-21 Roland McGrath <roland@redhat.com>
2666
2667 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2668 Don't leak malloc'd file name.
2669 If a /sys/.../sections file is missing and starts with ".init",
2670 try the variant with "_init" too; catches PPC64 kernel braindamage.
2671
26722005-11-15 Roland McGrath <roland@redhat.com>
2673
2674 * libdwfl.h: Comment fixes.
2675
2676 * dwfl_module_return_value_location.c: Add unlikely for error case.
2677
26782005-11-13 Roland McGrath <roland@redhat.com>
2679
2680 * dwfl_return_value_location.c: New file.
2681 * Makefile.am (libdwfl_a_SOURCES): Add it.
2682 * libdwfl.h: Declare dwfl_module_return_value_location.
2683 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
2684
26852005-10-20 Roland McGrath <roland@redhat.com>
2686
2687 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
2688 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
2689 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2690
26912005-10-01 Roland McGrath <roland@redhat.com>
2692
2693 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
2694 with errno 0.
2695
26962005-09-19 Roland McGrath <roland@redhat.com>
2697
2698 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2699 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
2700 the signed integer reading; they will just have to be in hexadecimal.
2701 (dwfl_linux_kernel_module_section_address): Likewise.
2702
27032005-08-28 Ulrich Drepper <drepper@redhat.com>
2704
2705 * Makefile.am (%.os): Use COMPILE.os.
2706 (COMPILE.os): Filter out gconv options.
2707
27082005-08-25 Roland McGrath <roland@redhat.com>
2709
2710 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
2711 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2712
27132005-08-24 Roland McGrath <roland@redhat.com>
2714
2715 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
2716
2717 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
2718 magic initializer to set -heur-stack-bound option.
2719
27202005-08-22 Roland McGrath <roland@redhat.com>
2721
2722 * dwfl_validate_address.c: New file.
2723 * Makefile.am (libdwfl_a_SOURCES): Add it.
2724 * libdwfl.h: Declare dwfl_validate_address.
2725
2726 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
2727 * libdwflP.h: Add INTDECL.
2728
2729 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
2730 elf_rawdata for symbol-related sections.
2731
2732 * offline.c (dwfl_report_offline): Move offline_next_address outside
2733 module's range, in case it's an ET_EXEC using fixed segment locations.
2734 * libdwfl.h: Update comment.
2735
2736 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
2737 required alignment.
2738
27392005-08-20 Roland McGrath <roland@redhat.com>
2740
2741 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
2742 function to choose whether to report.
2743 (dwfl_linux_kernel_report_offline): Likewise.
2744 * libdwfl.h: Update decl.
2745 * argp-std.c (parse_opt): Update caller.
2746
2747 * dwfl_getsrclines.c: New file.
2748 * dwfl_onesrcline.c: New file.
2749 * Makefile.am (libdwfl_a_SOURCES): Add them.
2750 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
2751
2752 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
2753 MODULESDIR[0]. Call fts_close on failure.
2754
2755 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
2756 Close ET_REL file descriptors after relocation.
2757 (find_dw): Update caller.
2758 * offline.c (dwfl_report_offline): Get the file into memory and close
2759 the file descriptor.
2760
2761 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
2762 MOD->debug.elf is already set.
2763
2764 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
2765 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
2766
2767 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
2768 dwfl_linux_kernel_report_offline with offline_callbacks.
2769
2770 * linux-kernel-modules.c (report_kernel): New function, broken out of
2771 ...
2772 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2773 (dwfl_linux_kernel_report_offline): New function.
2774 * libdwfl.h: Declare it.
2775 * libdwflP.h: Add INTDECL.
2776
27772005-08-19 Roland McGrath <roland@redhat.com>
2778
2779 Use standard debuginfo search path to look for vmlinux.
2780 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
2781 passed zero.
2782 * linux-kernel-modules.c (try_kernel_name): New function, broken out
2783 of ...
2784 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2785
2786 * argp-std.c (offline_callbacks): New variable.
2787 (parse_opt): Use it for -e. Allow multiple -e options.
2788
2789 * offline.c: New file.
2790 * Makefile.am (libdwfl_a_SOURCES): Add it.
2791 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
2792 * libdwflP.h: Add INTDECLs.
2793 (OFFLINE_REDZONE): New macro.
2794 (struct Dwfl): New member `offline_next_address'.
2795 * dwfl_begin.c (dwfl_begin): Initialize it.
2796 * dwfl_module.c (dwfl_report_begin): Likewise.
2797
2798 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
2799 do a nominal absolute section layout starting at BASE.
2800 * libdwfl.h: Update comment.
2801
28022005-08-18 Roland McGrath <roland@redhat.com>
2803
2804 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
2805 dwfl_module_getdwarf if necessary.
2806
2807 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
2808 * libdwfl.h: Update comment.
2809
2810 * derelocate.c: New file.
2811 * Makefile.am (libdwfl_a_SOURCES): Add it.
2812
2813 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
2814 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
2815 * dwfl_module_getdwarf.c (open_elf): Update initialization.
2816 (load_dw, dwfl_module_addrname): Update uses.
2817 * relocate.c (__libdwfl_relocate): Likewise.
2818
28192005-08-04 Roland McGrath <roland@redhat.com>
2820
2821 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
2822 arguments SHNDX, SHDR.
2823 (dwfl_linux_kernel_module_section_address): Update prototype.
2824 * relocate.c (__libdwfl_relocate_value): Update caller.
2825 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2826 Take the new arguments.
2827
28282005-08-10 Roland McGrath <roland@redhat.com>
2829
2830 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
2831 use it instead of MOD->debug.file.
2832 * libdwflP.h: Update decl.
2833 * dwfl_module_getdwarf.c (load_dw): Update caller.
2834 Fixes bug #165598.
2835
28362005-08-09 Roland McGrath <roland@redhat.com>
2837
2838 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
2839 * cu.c: Use INTUSE on dwarf_* calls.
2840 * dwfl_error.c: Likewise.
2841 * dwfl_module.c: Likewise.
2842 * dwfl_module_getdwarf.c: Likewise.
2843 * dwfl_module_getsrc_file.c: Likewise.
2844 * lines.c: Likewise.
2845
28462005-08-07 Roland McGrath <roland@redhat.com>
2847
2848 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
2849 names contain '_' or '-', look for files named either "foo-bar.ko"
2850 or "foo_bar.ko".
2851
28522005-07-29 Roland McGrath <roland@redhat.com>
2853
2854 * loc2c.c: File removed.
2855 * loc2c.h: File removed.
2856 * loc2c-runtime.h: File removed.
2857 * test2.c: File removed.
2858 * Makefile.am (EXTRA_DIST): Variable removed.
2859 (noinst_HEADERS): Remove loc2c.h from here.
2860
28612005-07-28 Ulrich Drepper <drepper@redhat.com>
2862
2863 * libdwfl.h: Add a few missing extern for function prototypes.
2864
2865 * libdwfl_crc32.c: New file.
2866 * libdwfl_crc32_file.c: New file.
2867 * libdwflP.h: Declare the new functions.
2868 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
2869 libdwfl_crc32_file.c.
2870 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
2871 instead of crc32_file.
2872
28732005-07-28 Roland McGrath <roland@redhat.com>
2874
2875 * ptest.c: Moved to ../tests/dwflmodtest.c.
2876
2877 * Makefile.am (noinst_PROGRAMS): Variable removed.
2878 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
2879 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
2880 (libdwfl): Don't use libdwfl.so any more.
2881 (libdwfl.so, install, uninstall): Targets removed.
2882 (test2_SOURCES): Define EXTRA_DIST instead of this.
2883 * libdwfl.map: File removed.
2884
2885 * libdwfl.h: Use "" for libdw.h #include.
2886
28872005-07-27 Roland McGrath <roland@redhat.com>
2888
2889 * libdwfl.map: Add dwfl_getmodules.
2890
28912005-07-23 Ulrich Drepper <drepper@redhat.com>
2892
2893 * Makefile.am: Fix rules to allow building with mudflap.
2894
28952005-07-21 Roland McGrath <roland@redhat.com>
2896
2897 * Makefile.am (noinst_HEADERS): Add loc2c.c.
2898
2899 * test2.c (main): Check sscanf result to quiet warning.
2900
29012005-07-20 Roland McGrath <roland@redhat.com>
2902
2903 * libdwfl-branch merged, creating this direcotry.