1 2019-10-07 Omar Sandoval <osandov@fb.com>
3 * dwfl_frame.c (dwfl_getthreads): Get rid of unnecessary
4 thread_free_all_states calls.
7 2019-08-12 Mark Wielaard <mark@klomp.org>
9 * gzip.c (open_stream): Return DWFL_E_ERRNO on bad file operation.
10 * open.c (libdw_open_elf): New argument bad_elf_ok. Check it and
11 return DWFL_E_NOERROR in case it is set and error was DWFL_E_BADELF.
12 (__libdw_open_file): Call libdw_open_elf with bad_elf_ok false.
13 (__libdw_open_elf): Call libdw_open_elf with bad_elf_ok true.
15 2019-08-05 Omar Sandoval <osandov@fb.com>
17 * dwfl_segment_report_module.c (dwfl_segment_report_module): Assign
20 2019-04-28 Mark Wielaard <mark@klomp.org>
22 * frame_unwind.c (expr_eval): Make sure we left shift a unsigned
25 2019-04-28 Mark Wielaard <mark@klomp.org>
27 * cu.c (addrarange): Only call realloc when naranges is not zero.
29 2019-03-27 Mark Wielaard <mark@klomp.org>
31 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
32 ph_buffer_size vs xlatefrom.d_size after read_portion call.
34 2019-02-24 Mark Wielaard <mark@klomp.org>
36 * linux-kernel-modules.c (intuit_kernel_bounds): Init *notes before
38 (dwfl_linux_kernel_report_kernel): Remove fake note init empty asm.
40 2019-01-25 Yonghong Song <yhs@fb.com>
42 * linux-proc-maps.c (proc_maps_report): Use PRIu64, not PRIi64, to
43 read the inode number.
45 2019-01-20 Mark Wielaard <mark@klomp.org>
47 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check
48 dyn_filesz vs dyn_data_size after read_portion call.
50 2019-01-16 Mark Wielaard <mark@klomp.org>
52 * linux-core-attach.c (core_next_thread): Pass desc to ebl_core_note.
53 (core_set_initial_registers): Likewise.
55 2018-10-23 Mark Wielaard <mark@klomp.org>
57 * relocate.c (relocate_section): Only sanity check mmapped Elf files
58 for overlap. Don't error when section data was malloced, not mmapped.
60 2018-10-20 Mark Wielaard <mark@klomp.org>
62 * libdwflP.h (__libdw_open_elf): New internal function declaration.
63 * open.c (what_kind): Rename close_fd to may_close_fd.
64 (__libdw_open_file): Replaced (and renamed) by a call to ...
65 (libdw_open_elf): this. And add never_close_fd argument.
66 (__libdw_open_elf): New function that calls libdw_open_elf.
68 2018-10-18 Mark Wielaard <mark@klomp.org>
70 * dwfl_segment_report_module.c (consider_note): Take align as new
71 argument. Use align to set d_type and calculate padding.
72 (dwfl_segment_report_module): Pass align to consider_notes.
73 * core-file.c (dwfl_core_file_report): Check p_align to set ELF
75 * linux-kernel-modules.c (check_notes): Check name and type of note
78 2018-10-19 Mark Wielaard <mark@klomp.org>
80 * dwfl_module_getdwarf.c (find_aux_sym): Check sh_entsize is not zero.
82 2018-10-14 Mark Wielaard <mark@klomp.org>
84 * dwfl_segment_report_module.c (read_portion): Check requested
85 filesz isn't larger than buffer_available.
86 (dwfl_segment_report_module): Check data_size vs filesz after
89 2018-10-02 Andreas Schwab <schwab@suse.de>
91 * relocate.c (relocate): Handle ADD/SUB relocations.
93 2018-09-13 Mark Wielaard <mark@klomp.org>
95 * dwfl_segment_report_module.c (dwfl_segment_report_module):
96 Document why we use e_shnum directly.
97 * elf-from-memory.c (elf_from_remote_memory): Likewise.
99 2018-07-17 Ulf Hermann <ulf.hermann@qt.io>
101 * linux-pid-attach.c: Include sys/uio.h only on linux.
103 2018-06-04 Mark Wielaard <mark@klomp.org>
105 * libdwflP.h (__libdwfl_addrsym): Remove function declaration.
106 * dwfl_module_addrsym.c (__libdwfl_addrsym): Make a static function.
108 2018-05-27 Mark Wielaard <mark@klomp.org>
110 * relocate.c (__libdwfl_relocate): Always call relocate_section with
113 2018-05-17 Mark Wielaard <mark@klomp.org>
115 * dwfl_module (__libdwfl_module_free): Free elfdir.
116 * dwfl_module_getdwarf.c (load_dw): Close file descriptors after
117 dwarf_begin_elf call. Set Dwarf debugdir if it is NULL, this is the
118 main module file and we recorded the elfdir.
119 * libdwflP.h (struct Dwfl_Module): Add elfdir field.
120 * offline.c (process_elf): Record the elfdir before we close the
121 main ELF file descriptor.
123 2018-04-10 Mark Wielaard <mark@klomp.org>
125 * frame_unwind.c (unwind): If __libdwfl_frame_reg_get fails for
126 the return address either set an error or mark the pc undefined.
128 2018-03-17 Mark Wielaard <mark@klomp.org>
130 * libdwflP.h (struct __libdwfl_remote_mem_cache): New.
131 (struct __libdwfl_pid_arg): Add mem_cache field.
132 * linux-pid-attach.c (read_cached_memory): New function.
133 (clear_cached_memory): Likewise.
134 (pid_memory_read): Call read_cached_memory.
135 (pid_detach): Free mem_cache.
136 (pid_thread_detach): Call clear_cached_memory.
137 (dwfl_linux_proc_attach): Initialize mem_cache to NULL.
139 2018-03-05 Mark Wielaard <mark@klomp.org>
141 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Use
142 realpath (name, NULL) instead of canonicalize_file_name (name).
143 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise.
145 2018-01-29 Mark Wielaard <mark@klomp.org>
147 * cu.c (cudie_offset): Use __libdw_first_die_off_from_cu instead of
148 DIE_OFFSET_FROM_CU_OFFSET.
149 (intern_cu): Simply use a copy of the given die CU as key instead of
150 trying to construct a dummy one by hand.
152 2018-02-15 Mark Wielaard <mark@klomp.org>
154 * linux-pid-attach.c: Include sys/wait.h after sys/ptrace.h.
156 2018-02-09 Joshua Watt <JPEWhacker@gmail.com>
158 * dwfl_report_elf.c (__libdwfl_elf_address_range): Use FALLTHROUGH
159 macro instead of comment.
160 * frame_unwind.c (expr_eval): Likewise.
162 2017-11-20 Mark Wielaard <mark@klomp.org>
164 * link_map.c (do_check64): Take a char * and calculate type and val
165 offsets before reading, possibly unaligned, values.
166 (do_check32): Likewise.
167 (check64): Remove define.
169 (auxv_format_probe): Call do_check32 and do_check64 directly with
170 a, possibly unaligned, auxv entry pointer.
171 (dwfl_link_map_report): Redefine AUXV_SCAN to not dereference a
172 possibly unaligned auxv entry pointer.
174 2017-10-16 Mark Wielaard <mark@klomp.org>
176 * argp-std.c (parse_opt): For -k call argp_failure not failure to
179 2017-07-26 Yunlian Jiang <yunlian@google.com>
181 * argp-std.c (failure): Move to file scope.
184 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
185 Mark Wielaard <mark@klomp.org>
187 * derelocate.c (compare_secrefs): Compare by end address and then by
188 section number if addresses are equal.
190 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
191 Mark Wielaard <mark@klomp.org>
193 * linux-kernel-modules.c: Always return NULL from kernel_release() on
194 non-linux systems and set errno to ENOTSUP.
196 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
198 * libdwflP.h: Don't include config.h.
199 * argp-std.c: Include config.h.
201 * derelocate.c: Likewise.
202 * dwfl_addrdie.c: Likewise.
203 * dwfl_addrdwarf.c: Likewise.
204 * dwfl_addrmodule.c: Likewise.
205 * dwfl_begin.c: Likewise.
206 * dwfl_build_id_find_debuginfo.c: Likewise.
207 * dwfl_build_id_find_elf.c: Likewise.
208 * dwfl_cumodule.c: Likewise.
209 * dwfl_dwarf_line.c: Likewise.
210 * dwfl_end.c: Likewise.
211 * dwfl_frame.c: Likewise.
212 * dwfl_frame_regs.c: Likewise.
213 * dwfl_getdwarf.c: Likewise.
214 * dwfl_getmodules.c: Likewise.
215 * dwfl_getsrc.c: Likewise.
216 * dwfl_getsrclines.c: Likewise.
217 * dwfl_line_comp_dir.c: Likewise.
218 * dwfl_linecu.c: Likewise.
219 * dwfl_lineinfo.c: Likewise.
220 * dwfl_linemodule.c: Likewise.
221 * dwfl_module.c: Likewise.
222 * dwfl_module_addrdie.c: Likewise.
223 * dwfl_module_addrname.c: Likewise.
224 * dwfl_module_addrsym.c: Likewise.
225 * dwfl_module_build_id.c: Likewise.
226 * dwfl_module_dwarf_cfi.c: Likewise.
227 * dwfl_module_eh_cfi.c: Likewise.
228 * dwfl_module_getdarf.c: Likewise.
229 * dwfl_module_getelf.c: Likewise.
230 * dwfl_module_getsrc.c: Likewise.
231 * dwfl_module_getsrc_file.c: Likewise.
232 * dwfl_module_getsym.c: Likewise.
233 * dwfl_module_info.c: Likewise.
234 * dwfl_module_nextcu.c: Likewise.
235 * dwfl_module_register_names.c: Likewise.
236 * dwfl_module_report_build_id.c: Likewise.
237 * dwfl_module_return_value_location.c: Likewise.
238 * dwfl_nextcu.c: Likewise.
239 * dwfl_onesrcline.c: Likewise.
240 * dwfl_report_elf.c: Likewise.
241 * dwfl_validate_address.c: Likewise.
242 * dwfl_version.c: Likewise.
243 * find-debuginfo.c: Likewise.
245 * image-header.c: Likewise.
247 * linux-core-attach.c: Likewise.
248 * linux-pid-attach.c: Likewise.
249 * offline.c: Likewise.
251 * relocate.c: Likewise.
252 * segment.c: Likewise.
254 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
256 * libdwfl.h: Use __const_attribute__.
258 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
260 * elf-from-memory.c: Explicitly cast phnum to size_t.
262 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
264 * dwfl_module_getdwarf.c: Check shnum for 0 before subtracting from
267 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
269 * dwfl_frame.c: Drop unused sys/ptrace.h include.
270 * frame_unwind.c: Likewise.
271 * linux-pid-attach.c: Include sys/ptrace.h and sys/syscall.h only on
274 2017-04-20 Ulf Hermann <ulf.hermann@qt.io>
276 * linux-kernel-modules.c: Include sys/types.h before fts.h
278 2017-03-24 Mark Wielaard <mark@klomp.org>
280 * linux-core-attach.c (core_next_thread): If n_namesz == 0 then
281 the note name data is the empty string.
282 (dwfl_core_file_attach): Likewise.
284 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
286 * linux-kernel-modules.c: Include system.h.
288 2017-02-15 Ulf Hermann <ulf.hermann@qt.io>
290 * linux-kernel-modules.c: Use sysconf(_SC_PAGESIZE) to get page size.
291 * linux-proc-maps.c: Likewise.
293 2016-12-29 Luiz Angelo Daros de Luca <luizluca@gmail.com>
295 * dwfl_build_id_find_elf.c: Include system.h.
296 * dwfl_module_getdwarf.c: Likewise.
297 * libdwfl_crc32_file.c: Don't define LIB_SYSTEM_H.
299 2016-11-23 Mark Wielaard <mjw@redhat.com>
301 * linux-kernel-modules.c: Only include fts.h early if BAD_FTS is
304 2016-10-11 Akihiko Odaki <akihiko.odaki.4i@stu.hosei.ac.jp>
306 * core-file.c: Remove sys/param.h.
307 * dwfl_segment_report_module.c: Likewise. Add system.h include.
308 (MAX): Remove definition.
309 * frame_unwind.c: Add system.h include.
310 (MAX): Remove definition.
311 * linux-core-attach.c (MIN): Remove definition.
312 * linux-pid-attach.c (MAX): Likewise.
314 2016-08-12 Mark Wielaard <mjw@redhat.com>
316 * link_map.c (dwfl_link_map_report): Fix assert, set in.d_size.
318 2016-04-14 Mark Wielaard <mjw@redhat.com>
320 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Free match
321 on invalid DWARF if we allocated it.
323 2016-04-14 Mark Wielaard <mjw@redhat.com>
325 * linux-proc-maps.c (proc_maps_report): Free last_file on bad file
328 2016-03-01 Steven Chamberlain <steven@pyro.eu.org>
330 * linux-pid-attach.c: Removed unused pid_thread_callbacks,
331 pid_thread_detach, pid_detach, pid_set_initial_registers,
332 pid_memory_read, pid_getthread, pid_next_thread in #ifndef
335 2016-02-22 Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
336 Mark Wielaard <mjw@redhat.com>
338 * find-debuginfo.c (find_debuginfo_in_path): Remember whether
339 debuglink_file is NULL. Try file basename (without .debug) ofr
340 absolute and relative path if debug_file was NULL.
341 * linux-kernel-modules.c (try_kernel_name): If try_debug is true call
342 dwfl_standard_find_debuginfo with NULL debuglink_file, otherwise with
345 2016-02-13 Mark Wielaard <mjw@redhat.com>
347 * linux-proc-maps.c (proc_maps_report): Free last_file when ENOEXEC.
349 2016-02-13 Mark Wielaard <mjw@redhat.com>
351 * frame_unwind.c (new_unwound): Check and return unwound.
352 (handle_cfi): Check new_unwound was able to allocate new memory
353 before use. Return DWFL_E_NOMEM otherwise.
355 2016-02-11 Mark Wielaard <mjw@redhat.com>
357 * relocate.c (relocate_section): Check result of all gelf_get* calls.
358 (__libdwfl_relocate): Likewise.
359 (__libdwfl_relocate_section): Likewise.
361 2016-02-11 Mark Wielaard <mjw@redhat.com>
363 * relocate.c (relocate_section): Check result of gelf_update_* calls.
365 2016-01-08 Mark Wielaard <mjw@redhat.com>
367 * libdwfl_a_SOURCES: Unconditionally add gzip.c.
368 * linux-kernel-modules.c (vmlinux_suffixes): We always have at least
370 (try_kernel_name): Likewise.
371 (check_suffix): Likewise.
372 * open.c (decompress): Likewise.
374 2015-12-18 Mark Wielaard <mjw@redhat.com>
376 * dwfl_module_getdwarf.c (find_symtab): Uncompress symstr, xndx, sym
377 sections and aux_str, aux_xndx and aux_sym sections if necessary.
378 * relocate.c (relocate_getsym): Uncompress symtab and symtab_shndx
380 (resolve_symbol): Uncompress strtab section if necessary.
381 (relocate_section): Uncompress the section the relocations apply to
384 2015-11-18 Chih-Hung Hsieh <chh@google.com>
386 * linux-proc-maps.c (proc_maps_report): Move nested function
387 'report' to file scope.
389 2015-11-18 Chih-Hung Hsieh <chh@google.com>
391 * core-file.c (elf_begin_rand): Move nested function 'fail' to file
393 * core-file.c (dwfl_elf_phdr_memory_callback): Move nested functions
394 'update_end' and 'more' to file scope.
396 2015-11-17 Chih-Hung Hsieh <chh@google.com>
398 * link_map.c (auxv_format_probe): Move nested functions
399 check64 and check32 to file scope.
401 2015-12-08 Jose E. Marchesi <jose.marchesi@oracle.com>
403 * dwfl_frame.c (state_fetch_pc): Add a backend-defined offset to
404 the value of the return address register as defined by the CFI
406 * frame_unwind.c (handle_cfi): Likewise.
408 2015-12-01 Mark Wielaard <mjw@redhat.com>
410 * link_map.c (dwfl_link_map_report): Track whether in.d_buf comes
411 from exec or memory_callback, free as appropriate.
413 2015-12-01 Mark Wielaard <mjw@redhat.com>
415 * libdwflP.h (struct Dwfl_User_Core): New.
416 (struct DWfl): Replace executable_for_core with user_core.
417 * argp-std.c (parse_opt): Store core and fd in Dwfl user_core.
418 * core-file.c (dwfl_core_file_report): Check and store
419 executable_for_core in Dwfl user_core.
420 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Check and use
421 executable_for_core in Dwfl user_core.
422 * dwfl_end.c (dwfl_end): Release resources held in Dwfl user_core.
423 * link-map.c (report_r_debug): Check executable_for_core in Dwfl
425 (dwfl_link_map_report): Likewise.
427 2015-11-16 Chih-Hung Hsieh <chh@google.com>
429 * dwfl_module_getdwarf.c (find_prelink_address_sync): Move nested
430 function 'consider_shdr' to file scope.
431 * dwfl_module_getdwarf.c (find_dynsym): Move nested function
432 'translate_offs' to file scope.
434 2015-11-16 Chih-Hung Hsieh <chh@google.com>
436 * dwfl_module_addrsym.c (__libdwfl_addrsym): Move nested functions
437 'same_section', 'binding_value', 'try_sym_value', and 'search_table'
440 2015-11-19 Mark Wielaard <mjw@redhat.com>
442 * dwfl_module.c (__libdwfl_module_free): Remove Dwfl_Module Ebl from
443 eh_cfi and dwarf_cfi cache if necessary before calling dwarf_end and
446 2015-11-13 Chih-Hung Hsieh <chh@google.com>
448 * gzip.c (unzip): Move nested functions to file scope.
450 2015-10-21 Chih-Hung Hsieh <chh@google.com>
451 Mark Wielaard <mjw@redhat.com>
453 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Move nested
454 functions 'dwarf_line_file', 'dwfl_line', and 'dwfl_line_file' to
455 file scope. Rename dwarf_line_file to dwfl_dwarf_line_file. Don't
458 2015-10-21 Chih-Hung Hsieh <chh@google.com>
460 * frame_unwind.c (expr_eval): Move nested function 'push' and 'pop'
461 to file scope. Pass used local variables in struct eval_stack.
463 2015-10-21 Chih-Hung Hsieh <chh@google.com>
465 * dwfl_module.c (dwfl_report_module): Move nested function 'use' to
468 2015-10-09 Josh Stone <jistone@redhat.com>
470 * core-file.c (elf_begin_rand): Replace loff_t with off_t.
471 * open.c (decompress): Replace off64_t with off_t.
472 * gzip.c (unzip): Likewise.
473 * image-header.c (__libdw_image_header): Likewise.
474 * libdwflP.h: Likewise in function declarations.
475 * argp-std.c (parse_opt): Replace open64 with open.
476 * dwfl_build_id_find_elf.c (__libdwfl_open_mod_by_build_id,
477 dwfl_build_id_find_elf): Likewise.
478 * dwfl_module_getdwarf.c (open_elf_file): Likewise.
479 * dwfl_report_elf.c (dwfl_report_elf): Likewise.
480 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
481 * link_map.c (report_r_debug): Likewise.
482 * offline.c (dwfl_report_offline): Likewise.
483 * linux-proc-maps.c (grovel_auxv, get_pid_class,
484 dwfl_linux_proc_find_elf): Likewise.
485 (read_proc_memory): Replace off64_t with off_t.
486 * find-debuginfo.c (find_debuginfo_in_path): Replace stat64 and
487 fstat64 with stat and fstat.
488 (try_open): Likewise, and replace open64 with open.
489 * linux-kernel-modules.c: Manually define open and fopen to open64 and
490 fopen64 when needed, since the early fts.h include breaks that.
491 (try_kernel_name): Replace open64 with open.
492 (check_notes): Likewise.
494 2015-10-09 Jose E. Marchesi <jose.marchesi@oracle.com>
496 * linux-proc-maps.c (read_proc_memory): Use seek+read instead of
497 pread, as the later doesn't accept negative offsets.
499 2015-10-07 Mark Wielaard <mjw@redhat.com>
501 * dwfl_module_getdwarf.c (MAX): Removed.
502 (find_prelink_address_sync): Allocate exact amount of bytes for
504 * dwfl_segment_report_module.c (dwfl_segment_report_module):
506 * elf-from-memory.c (MAX): Removed.
507 (elf_from_remote_memory): Allocate exact amount of bytes for phdrs.
509 2015-10-05 Chih-Hung Hsieh <chh@google.com>
511 * dwfl_module_getdwarf.c (find_prelink_address_sync): Do not use
512 union of variable length arrays.
513 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
514 * elf-from-memory.c (elf_from_remote_memory): Likewise.
515 * link_map.c (auxv_format_probe): Likewise.
516 * link_map.c (report_r_debug): Likewise.
517 * link_map.c (dwfl_link_map_report): Likewise.
519 2015-09-18 Chih-Hung Hsieh <chh@google.com>
521 * relocate.c (relocate_section): Move nested function "relocate"
522 to file scope, pass all used local variables as constants.
523 Move nested "check_badreltype" to file scope, pass addresses of
524 updated used local variables.
525 * linux-kernel-modules.c (intuit_kernel_bounds): Move nested function
526 "read_address" to file scope, pass all updated local variables in
528 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Move nested
529 function "subst_name" to file scope, pass all used local variables
531 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Replace
532 simple nested function "report" with a macro. Work around gcc static
533 analysis error -Werror=maybe-uninitialized.
535 2015-09-22 Mark Wielaard <mjw@redhat.com>
537 * core-file.c: Remove old-style function definitions.
538 * dwfl_error.c: Likewise.
539 * dwfl_module_dwarf_cfi.c: Likewise.
540 * dwfl_module_eh_cfi.c: Likewise.
541 * dwfl_module_register_names.c: Likewise.
542 * dwfl_module_return_value_location.c: Likewise.
543 * dwfl_version.c: Likewise.
545 2015-09-09 Chih-Hung Hsieh <chh@google.com>
546 Mark Wielaard <mjw@redhat.com>
548 * dwfl_frame.c (dwfl_attach_state): Remove redundant NULL tests
549 on parameters declared with __nonnull_attribute__.
550 * libdwfl.h (dwfl_module_getelf): Don't mark first argument as
553 2015-09-08 Mark Wielaard <mjw@redhat.com>
555 * libdwflP.h (struct __libdwfl_pid_arg): Add elf and elf_fd.
556 * linux-pid-attach.c (pid_detach): Call elf_end and close.
557 (dwfl_linux_proc_attach): Open and save /proc/PID/exe.
559 2015-09-04 Chih-Hung Hsieh <chh@google.com
561 * frame_unwind.c (expr_eval): Use llabs instead of abs.
563 2015-08-14 Dodji Seketeli <dodji@seketeli.org>
565 * find-debuginfo.c (find_debuginfo_in_path): Try to locate the
566 debug info file named debuglink_file under
567 mod->dwfl->callbacks->debuginfo_path, by looking at
568 the set of sub-trees under mod->dwfl->callbacks->debuginfo_path
569 which is common to the set of non-absolute parent trees of
572 2015-06-18 Mark Wielaard <mjw@redhat.com>
574 * find-debuginfo.c (try_open): Free fname on all failure paths.
576 2015-06-18 Mark Wielaard <mjw@redhat.com>
578 * dwfl_module_getdwarf.c (find_symtab): Check shdr is not NULL and
579 sh_entsize is not zero.
581 2015-06-06 Mark Wielaard <mjw@redhat.com>
583 * find-debuginfo.c (find_debuginfo_in_path): Always free localpath,
584 localname and file_dirname.
586 2015-06-06 Mark Wielaard <mjw@redhat.com>
588 * derelocate.c (cache_sections): Free sortrefs.
590 2015-06-05 Mark Wielaard <mjw@redhat.com>
592 * dwfl_segment_report_module.c (dwfl_segment_report_module):
593 If the note_file exists, but the build_id doesn't match discard
594 the file and continue reporting.
596 2015-06-01 Mark Wielaard <mjw@redhat.com>
598 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
599 pointer before passing to strsep.
601 2015-05-30 Mark Wielaard <mjw@redhat.com>
603 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
605 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
608 2015-05-30 Mark Wielaard <mjw@redhat.com>
610 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
611 not NULL before calling canonicalize_file_name.
613 2015-05-24 Mark Wielaard <mjw@redhat.com>
615 * derelocate.c (check_module): Check mod is not NULL.
617 2015-05-22 Mark Wielaard <mjw@redhat.com>
619 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
620 malloc instead of stack allocating. Call free when done with data.
622 2015-05-22 Mark Wielaard <mjw@redhat.com>
624 * dwfl_segment_report_module.c (dwfl_segment_report_module):
625 Allocate phdrs with malloc, not on stack. free in finish.
626 Allocate dyn with malloc, not on stack, free after use.
628 2015-05-22 Mark Wielaard <mjw@redhat.com>
630 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
631 instead of alloca or strdupa, local strings of unknown size.
632 Call free before return.
634 2015-05-22 Mark Wielaard <mjw@redhat.com>
636 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
637 error when id_len too small or too large. strdup, not strdupa,
638 and free path when done.
640 2015-05-19 Mark Wielaard <mjw@redhat.com>
642 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
643 phdrs on the stack. Allocate with malloc and free when done.
645 2015-05-19 Mark Wielaard <mjw@redhat.com>
647 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
650 2015-05-19 Mark Wielaard <mjw@redhat.com>
652 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
653 stack allocate name. Only change chars up to suffix.
655 2015-05-18 Mark Wielaard <mjw@redhat.com>
657 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
658 phdrs and shdrs unions with malloc, not alloca. Free after use.
660 2015-05-18 Mark Wielaard <mjw@redhat.com>
662 * derelocate.c (cache_sections): Allocate temporary newrefs and
663 sortrefs with malloc, not alloca. Always free them on return.
665 2015-05-07 Mark Wielaard <mjw@redhat.com>
667 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
668 Dwarf_Die before interning. Explicitly check EOF is expected.
670 2015-05-05 Mark Wielaard <mjw@redhat.com>
672 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
674 2015-05-06 Roland McGrath <roland@hack.frob.com>
676 * dwfl_error.c (struct msgtable): Break type definition out of
677 the 'msgtable' initializer.
678 (msgtable): Make it a union of struct msgtable and a char array.
679 (msgstr): Use the full-table char array rather than the msg_0 entry.
681 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
683 * core-file.c (_compat_without_executable_dwfl_core_file_report):
684 Guard with SYMBOL_VERSIONING.
685 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
687 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
690 2015-04-02 Mark Wielaard <mjw@redhat.com>
692 * segment.c (insert): Check correct number of lookup_elts.
694 2015-03-31 Mark Wielaard <mjw@redhat.com>
696 * core-file.c (core_file_read_eagerly): Special case small images.
698 2015-01-26 Mark Wielaard <mjw@redhat.com>
700 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
701 syments and first_global on elferr before calling find_dynsym.
703 2014-12-27 Mark Wielaard <mjw@redhat.com>
705 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
706 has end_sequence set.
708 2015-01-04 Mark Wielaard <mjw@redhat.com>
710 * cu.c (intern_cu): Store result and return directly when finding
712 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
714 2014-12-19 Mark Wielaard <mjw@redhat.com>
716 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
718 2014-12-19 Mark Wielaard <mjw@redhat.com>
720 * elf-from-memory.c (handle_segment): Remove palign sanity check.
722 2014-12-18 Mark Wielaard <mjw@redhat.com>
724 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
726 2014-12-13 Mark Wielaard <mjw@redhat.com>
728 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
729 a size_t, make sure it doesn't overflow.
731 2014-12-13 Mark Wielaard <mjw@redhat.com>
733 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
734 wrap around before returning as int.
736 2014-12-11 Josh Stone <jistone@redhat.com>
738 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
739 record <= addr, rather than returning immediately on matches.
741 2014-12-09 Mark Wielaard <mjw@redhat.com>
743 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
746 2014-12-07 Mark Wielaard <mjw@redhat.com>
748 * relocate.c (relocate_section): Sanity check section overlap against
749 actually used ehsize, shentsize and phentsize.
751 2014-12-07 Mark Wielaard <mjw@redhat.com>
753 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
754 * relocate.c (__libdwfl_relocate_value): Don't relocate against
757 2014-11-29 Mark Wielaard <mjw@redhat.com>
759 * relocate.c (relocate_section): Check relocation section and target
760 section data don't overlap any of the ELF headers.
761 (relocate): Check for offset + size overflow.
763 2014-11-22 Mark Wielaard <mjw@redhat.com>
765 * link_map.c (consider_executable): Use elf_getphdrnum.
766 (dwfl_link_map_report): Likewise.
768 2014-11-18 Mark Wielaard <mjw@redhat.com>
770 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
771 number of symbols and first_global before use.
773 2014-11-14 Mark Wielaard <mjw@redhat.com>
775 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
778 2014-11-10 Mark Wielaard <mjw@redhat.com>
780 * dwfl_module_getdwarf.c (find_dynsym): New inner function
781 translate_offs that takes an adjust argument. Try finding
782 the symbol table with and without adjusting to main_bias.
784 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
786 Support NT_FILE for locating files.
787 * core-file.c (dwfl_core_file_report): New variables note_file and
788 note_file_size, set them and pass them to dwfl_segment_report_module.
789 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
790 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
791 (invalid_elf): New function from code of dwfl_segment_report_module.
792 (dwfl_segment_report_module): Add parameters note_file and
793 note_file_size. New variables elf and fd, clean them up in finish.
794 Move some code to invalid_elf. Call handle_file_note, if it found
795 a name verify the file by invalid_elf. Protect elf and fd against
796 cleanup by finish if we found the file for new Dwfl_Module.
797 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
800 2014-09-23 Mark Wielaard <mjw@redhat.com>
802 * dwfl_segment_report_module.c (dwfl_segment_report_module):
803 Extract ei_class, ei_data and e_type early and use the result.
805 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
807 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
808 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
810 * libdwflP.h (struct Dwfl_Module): New field is_executable.
812 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
814 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
816 (find_dynsym): Pass the new parameter main_bias.
818 2014-08-14 Mark Wielaard <mjw@redhat.com>
820 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
822 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
824 Fix report_r_debug for prelinked libraries.
825 * link_map.c (report_r_debug): Comment out variable l_addr.
826 Use instead new variable base recalculated from l_ld.
828 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
830 * linux-pid-attach.c: Make it build on non linux hosts.
832 2014-06-17 Mark Wielaard <mjw@redhat.com>
834 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
835 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
837 2014-06-15 Mark Wielaard <mjw@redhat.com>
839 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
840 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
841 to read possibly unaligned data.
842 (core_next_thread): Likewise.
843 (core_set_initial_registers): Likewise.
844 (dwfl_core_file_attach): Likewise.
846 2014-06-11 Mark Wielaard <mjw@redhat.com>
848 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
849 (dwfl_attach_state): Set dwfl->attacherr.
850 (dwfl_pid): Check and return dwfl->attacherr if set.
851 (dwfl_getthreads): Likewise.
852 (getthread): Likewise.
853 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
854 (struct Dwfl): Add attacherr field.
855 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
856 Don't assert if ELF file is not ET_CORE, just return error.
857 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
859 2014-06-10 Mark Wielaard <mjw@redhat.com>
861 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
862 or dwfl_linux_proc_attach.
864 2014-05-15 Mark Wielaard <mjw@redhat.com>
866 * linux-proc-maps.c (grovel_auxv): Close fd on error.
868 2014-05-02 Mark Wielaard <mjw@redhat.com>
870 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
873 2014-05-01 Mark Wielaard <mjw@redhat.com>
875 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
876 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
877 (__libdwfl_open_by_build_id): New declaration that takes an explicit
879 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
880 we already have the Dwarf then look for the alt dwz multi file by
882 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
883 build-id we are looking for as argument.
884 (__libdwfl_open_mod_by_build_id): New function, calls
885 __libdwfl_open_by_build_id.
886 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
887 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
888 close alt_fd if necessary.
889 * dwfl_module_getdwarf.c (__check_build_id): Removed.
890 (try_debugaltlink): Removed.
891 (open_debugaltlink): Removed.
892 (open_elf_file): First half of open_elf that just opens the elf
893 file but doesn't setup the load address.
894 (open_elf): Call open_elf_file.
895 (find_debug_altlink): New function.
896 (load_dw): Remove loading of dwz multifile.
897 (find_dw): Call find_debug_altlink.
898 * find-debuginfo.c (validate): Handle alt debug case using
899 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
900 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
902 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
903 to store name to find by dwfl_standard_find_debuginfo instead of
904 allocating an extra variable on stack.
906 2014-04-30 Mark Wielaard <mjw@redhat.com>
908 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
909 dwelf_elf_gnu_build_id.c.
910 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
911 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
912 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
913 * dwfl_module_getdwarf.c (__check_build_id): Implement using
914 dwelf_elf_gnu_build_id.
916 2014-04-15 Florian Weimer <fweimer@redhat.com>
918 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
919 (try_debugaltlink): Likewise.
920 (open_debugaltlink): Likewise.
921 (load_dw): Locate alternate debug information using
922 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
924 2014-04-11 Mark Wielaard <mjw@redhat.com>
926 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
927 * libdwflP.h: Include libdwelfP.h.
928 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
929 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
931 2014-04-22 Mark Wielaard <mjw@redhat.com>
933 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
935 (__libdwfl_frame_reg_set): Likewise.
937 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
939 * linux-pid-attach.c: Make linux only.
941 2014-03-14 Mark Wielaard <mjw@redhat.com>
943 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
944 Remove libelf and libdw definitions when MUDFLAP is defined.
945 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
947 2014-03-03 Mark Wielaard <mjw@redhat.com>
949 * elf-from-memory.c (elf_from_remote_memory): Keep track of
950 segments_end_mem. Pass memsz to first handle_segment pass. Only
951 extend contents_size and use shdrs if only file bits are in
954 2014-03-11 Josh Stone <jistone@redhat.com>
956 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
957 mod->e_type when processing the main ELF file.
959 2014-03-04 Mark Wielaard <mjw@redhat.com>
961 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
962 linux-pid-attach.c (struct pid_arg).
963 (__libdwfl_get_pid_arg): New internal function declaration.
964 (__libdwfl_ptrace_attach): Likewise.
965 (__libdwfl_ptrace_detach): Likewise.
966 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
967 special exception modules that cannot be checked at this point.
968 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
969 (ptrace_attach): Renamed to...
970 (__libdwfl_ptrace_attach): New internal function.
971 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
972 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
973 (__libdwfl_get_pid_arg): New internal function.
974 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
975 module name contains "(deleted)" and dwfl_pid gives an attached
976 pid. If pid is set and try to (re)use ptrace attach state of
977 process before reading memory.
979 2014-03-03 Mark Wielaard <mjw@redhat.com>
981 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
982 argument. Free buffer when detecting bad elf. Check PT_LOAD
983 alignment requirements on first handle_segment pass. Calculate
984 loadbase, start and end of segment using pagesize, not p_align.
985 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
986 to elf_from_remote_memory.
988 2014-02-26 Mark Wielaard <mjw@redhat.com>
990 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
992 2014-02-26 Mark Wielaard <mjw@redhat.com>
994 * elf-from-memory.c (elf_from_remote_memory): Check against p64
995 p_type in case ELFCLASS64, not against p32 p_type.
997 2014-01-17 Petr Machata <pmachata@redhat.com>
999 * relocate.c (relocate_section): Use gelf_fsize instead of relying
1000 on shdr->sh_entsize.
1002 2014-01-05 Mark Wielaard <mjw@redhat.com>
1004 * frame_unwind.c (handle_cfi): Only skip resetting return register
1005 if the regno is not the actual CIE return address register.
1007 2014-01-02 Mark Wielaard <mjw@redhat.com>
1009 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
1011 2013-12-30 Mark Wielaard <mjw@redhat.com>
1013 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
1014 dwfl_core_file_attach explicitly.
1015 * core-file.c (dwfl_core_file_report): Don't call
1016 __libdwfl_attach_state_for_core implicitly.
1017 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
1018 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
1019 process_attach_error.
1020 (dwfl_getthreads): Likewise.
1021 (getthread): Likewise.
1022 * libdwfl.h (dwfl_core_file_report): Update documentation.
1023 (dwfl_linux_proc_report): Likewise.
1024 (dwfl_core_file_attach): New function declaration.
1025 (dwfl_linux_proc_attach): Likewise.
1026 * libdwflP.h (struct Dwfl): Remove process_attach_error.
1027 (__libdwfl_attach_state_for_pid): Removed declaration.
1028 (__libdwfl_attach_state_for_core): Likewise.
1029 (dwfl_core_file_attach): New internal declaration.
1030 (dwfl_linux_proc_attach): Likewise.
1031 (attach_state_for_core): Renamed to...
1032 (dwfl_core_file_attach): ...this. Change return type.
1033 (__libdwfl_attach_state_for_core): Removed.
1034 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
1035 (pid_set_initial_registers): Check assume_ptrace_stopped before
1037 (pid_thread_detach): Likewise.
1038 (__libdwfl_attach_state_for_pid): Renamed to...
1039 (dwfl_linux_proc_attach): ...this. Adjust return type.
1040 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
1041 __libdwfl_attach_state_for_pid implicitly.
1043 2013-12-28 Mark Wielaard <mjw@redhat.com>
1045 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
1046 character device files, only regular files.
1048 2013-12-24 Mark Wielaard <mjw@redhat.com>
1050 * linux-core-attach.c (core_next_thread): Check whether thread_argp
1051 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
1052 in that case. Free thread_arg if there are no more threads.
1054 2013-12-23 Mark Wielaard <mjw@redhat.com>
1056 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
1057 build_id before returning early.
1059 2013-12-23 Mark Wielaard <mjw@redhat.com>
1061 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
1062 pid (thread group leader) to dwfl_attach_state.
1064 2013-12-21 Mark Wielaard <mjw@redhat.com>
1066 * frame_unwind.c (handle_cfi): Track whether the return register
1067 has been set and only allow it to be set once.
1069 2013-12-20 Mark Wielaard <mjw@redhat.com>
1071 * dwfl_frame.c (one_arg): New struct.
1072 (get_one_thread_cb): New function.
1073 (dwfl_getthread): Likewise.
1074 (one_thread): New struct.
1075 (get_one_thread_frames_cb): New function.
1076 (dwfl_getthread_frames): Likewise.
1077 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
1078 (dwfl_getthread_frames): Likewise.
1079 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
1080 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
1082 * linux-pid-attach.c (pid_getthread): New function.
1083 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
1085 2013-12-20 Mark Wielaard <mjw@redhat.com>
1087 * linux-kernel-modules.c (report_kernel_archive): Correct nested
1088 asprintf result check for debug.a.
1090 2013-12-18 Mark Wielaard <mjw@redhat.com>
1092 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
1093 * dwfl_module_addrname.c (dwfl_module_addrname): Use
1094 dwfl_module_addrinfo.
1095 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
1096 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
1097 for comparisons, not st_value. Fill in off. Search for both value
1098 and the (adjusted) sym.st_value when different.
1099 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
1100 (dwfl_module_addrinfo): New function.
1101 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
1102 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
1103 and possible. Adjust sym->st_value only when requested. Fill in addr
1105 (dwfl_module_getsym_info): New function.
1106 (dwfl_module_getsym): Use __libdwfl_getsym.
1107 * libdwfl.h (dwfl_module_getsym_elf): Removed.
1108 (dwfl_module_getsym_info): New function declaration.
1109 (dwfl_module_addrinfo): Likewise.
1110 (dwfl_module_addrsym): Add documentation describing differences
1111 with addrinfo variants.
1112 (dwfl_module_addrsym_elf): Removed.
1113 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
1114 (__libdwfl_addrsym): Likewise.
1115 (__libdwfl_find_section_ndx): Likewise.
1116 (dwfl_module_addrinfo): New internal declaration.
1117 (dwfl_module_getsym_info): Likewise.
1118 (dwfl_module_addrsym_elf): Removed.
1119 (dwfl_module_getsym_elf): Likewise.
1121 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1123 * argp-std.c (offline_find_elf): Remove.
1124 (offline_callbacks): Use dwfl_build_id_find_elf instead.
1125 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
1128 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
1130 unwinder: s390 and s390x
1131 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
1132 * frame_unwind.c (new_unwound): New function from ...
1133 (handle_cfi): ... here. Call it.
1134 (setfunc, getfunc, readfunc): New functions.
1135 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
1136 * linux-core-attach.c (core_set_initial_registers): Always iterate
1137 through the Ebl_Register_Location loop. Call
1138 dwfl_thread_state_register_pc there.
1140 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1142 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
1144 2013-12-17 Mark Wielaard <mjw@redhat.com>
1146 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
1149 2013-12-16 Mark Wielaard <mjw@redhat.com>
1151 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
1153 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
1155 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
1156 function definition.
1157 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
1159 2013-12-14 Mark Wielaard <mjw@redhat.com>
1161 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
1162 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
1163 * frame_unwind.c (handle_cfi): Free frame result from
1164 dwarf_cfi_addrframe when done.
1166 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
1168 unwinder: ppc and ppc64
1169 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
1170 Call ebl_dwarf_to_regno.
1171 * linux-core-attach.c (core_set_initial_registers): Implement
1172 pc_register support.
1173 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
1176 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1178 Introduce process_attach_error.
1179 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
1180 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
1182 * libdwflP.h (struct Dwfl): New field process_attach_error.
1183 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
1184 (attach_state_for_core): ... here, make it static, change return type,
1185 no longer use __libdwfl_seterrno.
1186 (__libdwfl_attach_state_for_core): New wrapper for it.
1188 2013-11-27 Mark Wielaard <mjw@redhat.com>
1190 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
1191 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
1192 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
1193 instead of tracking dwfl_files.
1194 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
1195 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
1196 new elfp and biasp arguments. Track elf instead of file.
1197 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
1198 dwfl_module_info.c (dwfl_module_info): Pass elf to
1199 dwfl_adjusted_st_value.
1200 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
1201 (dwfl_module_getsym_elf): New function declaration.
1202 (dwfl_module_addrsym_elf): Likewise.
1203 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
1204 (dwfl_module_getsym_elf): Likewise.
1205 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
1206 (dwfl_deadjust_st_value): Likewise.
1207 (__libdwfl_module_getsym): Removed.
1208 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
1210 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1212 Fix non-build-id core files on build-id system.
1213 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
1214 be read from memory.
1216 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1218 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1219 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
1220 content, if possible.
1222 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
1224 link_map: Use proper bias, not l_addr.
1225 * core-file.c (dynamic_vaddr_get): Rename to ...
1226 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
1228 (dwfl_core_file_report): Update name in the caller.
1229 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
1230 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
1231 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
1232 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
1234 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1236 Compatibility with older kernels such as RHEL-6.
1237 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
1238 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
1239 (pid_set_initial_registers): Pass tid_was_stopped.
1240 (pid_thread_detach): Use tid_was_stopped.
1242 2013-11-18 Josh Stone <jistone@redhat.com>
1244 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
1245 (find_aux_sym): Use it.
1247 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1249 Code cleanup: Remove const in prototype
1250 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
1252 * libdwfl.h (dwfl_thread_state_registers): Likewise.
1253 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
1255 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
1257 Fix dwfl_attach_state machine->elf.
1258 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
1259 Call ebl_openbackend instead of ebl_openbackend_machine.
1260 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
1261 Update the function description.
1262 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
1264 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
1267 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
1269 Provide __libdwfl_module_getsym to get dwfl_file *.
1270 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
1271 (dwfl_module_addrsym) (search_table): New variable file. Use
1272 __libdwfl_module_getsym. Use file.
1273 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
1274 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
1275 (dwfl_module_getsym): New wrapper.
1276 * libdwflP.h (__libdwfl_module_getsym): New declaration.
1278 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
1280 Fix dwfl_module_addrsym for minidebuginfo.
1281 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
1283 (dwfl_module_addrsym) (same_section): Use it.
1284 (dwfl_module_addrsym) (i_to_symfile): New function.
1285 (dwfl_module_addrsym) (search_table): Use it.
1287 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1288 Mark Wielaard <mjw@redhat.com>
1290 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
1291 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
1293 * core-file.c (dwfl_core_file_report): Call
1294 __libdwfl_attach_state_for_core.
1295 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
1296 * dwfl_frame.c: New file.
1297 * frame_unwind.c: New file.
1298 * dwfl_frame_pc.c: New file.
1299 * linux-pid-attach.c: New file.
1300 * linux-core-attach.c: New file.
1301 * dwfl_frame_regs.c: New file.
1302 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
1303 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
1304 (Dwfl_Thread_Callbacks): New definition.
1305 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
1306 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
1307 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1308 (dwfl_frame_pc): New declarations.
1309 * libdwflP.h (Dwfl_Process): New typedef.
1310 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
1311 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
1312 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
1313 (INVALID_ARGUMENT): New DWFL_ERROR entries.
1314 (struct Dwfl): New entry process.
1315 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
1316 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
1317 (__libdwfl_process_free, __libdwfl_frame_unwind)
1318 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
1319 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
1320 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
1321 (dwfl_frame_thread, dwfl_thread_state_registers)
1322 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
1323 (dwfl_frame_pc): New INTDECL entries.
1324 * linux-proc-maps.c (dwfl_linux_proc_report): Call
1325 __libdwfl_attach_state_for_pid.
1326 * segment.c (segment_start): Rename to ...
1327 (__libdwfl_segment_start): ... here and make it internal_function.
1328 (segment_end): Rename to ...
1329 (__libdwfl_segment_end): ... here and make it internal_function.
1330 (reify_segments, dwfl_report_segment): Rename them at the callers.
1332 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1334 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
1336 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1338 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
1339 retval. Fix one forgotten LISTED increase.
1341 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1343 Fix core files for re-prelink-ed files.
1344 * core-file.c (dynamic_vaddr_get): New function.
1345 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
1346 dynamic_vaddr_get instead of using L_ADDR.
1347 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
1348 * link_map.c (report_r_debug): Do not initialize l_addr.
1350 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
1353 * core-file.c (dwfl_core_file_report): Reindent block of code by
1356 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1358 * argp-std.c (parse_opt): Use executable parameter of
1359 dwfl_core_file_report.
1360 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
1361 it to DWFL. Add NEW_VERSION for it.
1362 (_compat_without_executable_dwfl_core_file_report): New. Twice.
1363 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
1364 the function comment.
1366 2013-10-15 Mark Wielaard <mjw@redhat.com>
1368 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
1370 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
1372 2013-09-12 Mark Wielaard <mjw@redhat.com>
1374 * cu.c (intern_cu): If dwarf_offdie fails free cu.
1376 2013-09-12 Mark Wielaard <mjw@redhat.com>
1378 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
1381 2013-09-12 Mark Wielaard <mjw@redhat.com>
1383 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
1384 aux_xndxscn, not xndxscn, for aux_symxndxdata.
1386 2013-08-25 Mark Wielaard <mjw@redhat.com>
1388 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
1391 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
1393 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
1394 conflicts all the modules, not just the first one. Compare L_LD if it
1395 is equal, not if it is in a module address range.
1397 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1399 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
1401 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
1403 * core-file.c (clear_r_debug_info): Close also ELF and FD.
1404 (dwfl_core_file_report): Call __libdwfl_report_elf for
1405 R_DEBUG_INFO.MODULE.
1406 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
1408 (__libdwfl_report_elf): ... this function. Call it.
1409 * dwfl_segment_report_module.c: Include unistd.h.
1410 (dwfl_segment_report_module): Use basename for MODULE->NAME.
1411 Clear MODULE if it has no build-id and we have segment with build-id.
1412 Ignore this segment only if MODULE still contains valid ELF.
1413 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
1414 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
1415 and disk_file_has_build_id.
1416 (dwfl_link_map_report): Extend the comment.
1417 * link_map.c (report_r_debug): Extend the comment. Always fill in new
1418 r_debug_info_module. Initialize also the new r_debug_info_module
1419 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
1420 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
1422 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
1424 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
1426 2013-07-02 Mark Wielaard <mjw@redhat.com>
1428 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
1430 2013-06-05 Mark Wielaard <mjw@redhat.com>
1432 * link_map.c (report_r_debug): Always call release_buffer after
1433 memory_callback succeeded reading build_id.
1435 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1437 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
1438 executable_for_core before calling dwfl_core_file_report.
1439 * core-file.c (clear_r_debug_info): New function.
1440 (dwfl_core_file_report): Move raw segments reporting lower. New
1441 variable r_debug_info, pass it to dwfl_segment_report_module. Call
1442 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
1443 * dwfl_module_build_id.c (check_notes): Move into
1444 __libdwfl_find_elf_build_id.
1445 (__libdwfl_find_build_id): Rename to ...
1446 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
1447 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
1448 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
1449 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
1450 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
1451 adjust its data_elfaddr parameter.
1452 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
1453 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
1454 parameter r_debug_info. New variable name_is_final. Adjust addresses
1455 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
1456 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
1457 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
1458 (struct r_debug_info_module, struct r_debug_info): New definitions.
1459 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
1461 * link_map.c: Include fcntl.h.
1462 (report_r_debug): Add parameter r_debug_info, describe it in the
1463 function comment. Delete dwfl_addrmodule call and its dependent code.
1464 Verify build-id before calling dwfl_report_elf, also supply
1465 executable_for_core to it. Store r_debug_info->module info when
1467 (dwfl_link_map_report): Add parameter r_debug_info. New variable
1468 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
1471 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1473 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
1474 Set it to true for ET_EXEC and ET_CORE. Provide alternative
1475 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
1476 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
1478 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
1480 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
1481 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
1482 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
1483 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
1485 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
1487 2013-04-27 Mark Wielaard <mjw@redhat.com>
1489 * link_map.c: #include system.h.
1491 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1493 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
1494 them to lib/system.h.
1496 2013-04-24 Mark Wielaard <mjw@redhat.com>
1498 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
1500 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1502 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
1504 2013-03-12 Mark Wielaard <mjw@redhat.com>
1506 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
1508 2013-02-22 Mark Wielaard <mjw@redhat.com>
1510 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
1511 as DWFL_E_BADELF when not used.
1513 2013-02-10 Mark Wielaard <mjw@redhat.com>
1515 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
1516 failure messages When handling ARGP_KEY_SUCCESS because arg will
1519 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
1521 * linux-proc-maps.c: Include system.h.
1522 (PROCEXEFMT, get_pid_class): New.
1523 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
1526 2013-01-23 Mark Wielaard <mjw@redhat.com>
1528 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one
1529 from aux_syments by default.
1530 (find_symtab): Also succeed when only aux_symdata is found.
1531 When no symtab is found always try to load auxiliary table.
1532 (dwfl_module_getsymtab): Substract one from result when both
1533 tables have symbols.
1534 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
1535 zero entry when both tables have symbols.
1536 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract
1537 one from first_global when both tables have symbols.
1539 2013-01-16 Mark Wielaard <mjw@redhat.com>
1541 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
1542 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
1543 (dwfl_adjusted_aux_sym_addr): New function.
1544 (dwfl_deadjust_aux_sym_addr): Likewise.
1545 (dwfl_adjusted_st_value): Take and check symfile argument.
1546 (dwfl_deadjust_st_value): Likewise.
1547 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
1548 use dwfl_file as argument to set address_sync.
1549 (find_debuginfo): Call find_prelink_address_sync with debug file.
1550 (find_aux_sym): New function.
1551 (find_symtab): Use find_aux_sym if all we have is the dynsym table
1552 and fill in aux DwflModule fields.
1553 (dwfl_module_getsymtab): Return syments plus aux_syments.
1554 (load_symtab): Always set first_global.
1555 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
1556 when using same_section. Calculate first_global based on both
1557 mod->first_global and mod->aux_first_global.
1558 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
1559 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
1560 to retrieve symbol and name if necessary, making sure all locals
1561 from any table come before any globals.
1562 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
1564 * relocate.c (resolve_symbol): Likewise.
1566 2013-01-07 Roland McGrath <roland@hack.frob.com>
1568 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
1569 still assume the data is at least 32-bit aligned anyway.
1570 (dwfl_link_map_report): Handle unaligned auxv data.
1572 2012-12-11 Mark Wielaard <mjw@redhat.com>
1574 * linux-kernel-modules.c (report_kernel): Only free fname if
1575 find_kernel_elf succeeds and allocates it.
1576 (report_kernel_archive): Fix brackets around unlikely expression.
1578 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
1580 * argp-std.c: Update Copyright year.
1581 (offline_find_elf): New function.
1582 (offline_callbacks): Use it for find_elf.
1583 (struct parse_opt): New.
1584 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
1585 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
1586 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
1587 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
1588 final state->input initialization optional.
1589 * dwfl_end.c: Update Copyright year.
1590 (dwfl_end): Free executable_for_core.
1591 * libdwflP.h: Update Copyright year.
1592 (struct Dwfl): New field executable_for_core.
1594 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1596 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
1599 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1601 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
1603 (__libdwfl_getelf): ... here. Call it.
1605 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1607 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
1609 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1611 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1612 Initialize mod->MAIN_BIAS.
1614 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1616 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
1617 binding_value. Use it for both zero and non-zero size symbols
1620 2012-10-01 Mark Wielaard <mjw@redhat.com>
1622 * cu.c (cudie_offset): Don't use type_sig8, it might not be
1623 initialized and these are always real CUs, never TUs.
1625 2012-10-01 Mark Wielaard <mjw@redhat.com>
1627 * derelocate.c (find_section): Check next section exists before
1630 2012-08-01 Petr Machata <pmachata@redhat.com>
1632 * offline.c (process_archive_member): Ignore entry "/SYM64/".
1634 2012-03-28 Roland McGrath <roland@hack.frob.com>
1636 * dwfl_segment_report_module.c
1637 (dwfl_segment_report_module: read_portion): Don't use existing buffer
1638 when FILESZ is zero (string mode) and available portion doesn't hold
1639 a terminated string.
1641 2011-12-02 Roland McGrath <roland@hack.frob.com>
1643 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
1644 to use elf64_xlatetom and PHDRS.p64.
1645 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
1647 2011-11-31 Mark Wielaard <mjw@redhat.com>
1649 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
1650 global symbols. Then only when that doesn't provide a match search
1651 all local symbols too.
1652 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
1654 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
1655 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
1657 2011-11-31 Mark Wielaard <mjw@redhat.com>
1659 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
1660 sizeless_sym if needed and closer to desired addr.
1662 2011-10-20 Mark Wielaard <mjw@redhat.com>
1664 * derelocate.c (cache_sections): Intern mod->reloc_info check.
1665 (dwfl_module_relocations): Don't check mod->reloc_info.
1666 (dwfl_module_relocation_info): Likewise.
1667 (find_section): Likewise.
1669 2011-07-09 Roland McGrath <roland@hack.frob.com>
1671 * image-header.c (LE32): Macro removed (now in lib/system.h).
1673 2011-04-11 Mark Wielaard <mjw@redhat.com>
1675 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
1676 by check for zlib, bzlib or lzma defines to check it isn't empty.
1677 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
1679 2011-03-08 Roland McGrath <roland@redhat.com>
1681 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
1682 Reported by Kurt Roeckx <kurt@roeckx.be>.
1684 2011-02-11 Roland McGrath <roland@redhat.com>
1686 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
1687 suffixes if corresponding decompression support is enabled.
1689 2011-02-01 Roland McGrath <roland@redhat.com>
1691 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
1692 section-end address as the synchronization point, rather than sh_addr.
1694 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
1695 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
1697 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
1698 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
1700 2011-01-11 Roland McGrath <roland@redhat.com>
1702 * dwfl_module_getdwarf.c (open_elf): Remove section-based
1703 address_sync fixup from here.
1704 (find_prelink_address_sync): New function.
1705 (find_debuginfo): Call it.
1706 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
1708 2011-01-04 Roland McGrath <roland@redhat.com>
1710 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
1711 logic to consider section addresses, the better to survive all the
1712 possible prelink machinations.
1713 * libdwflP.h (struct dwfl_file): Comment change.
1715 2010-11-30 Roland McGrath <roland@redhat.com>
1717 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
1719 2010-11-12 Roland McGrath <roland@redhat.com>
1721 * libdwflP.h (struct Dwfl_Module): New member main_bias.
1722 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
1723 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
1725 * libdwflP.h (dwfl_deadjust_address): New function.
1726 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
1727 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
1728 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
1730 2010-11-11 Roland McGrath <roland@redhat.com>
1732 * libdwflP.h (struct dwfl_file): Remove bias member.
1733 Add vaddr and address_sync members instead.
1734 (dwfl_adjusted_address): Calculate using vaddr.
1735 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
1736 (dwfl_adjusted_st_value): Use one of those calls.
1737 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
1738 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1739 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
1740 * link_map.c (consider_executable): Adjust only MOD->low_addr for
1741 detected PIE bias change.
1743 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
1744 * dwfl_module_info.c: Use it.
1745 * cu.c (addrarange): Likewise.
1746 * dwfl_dwarf_line.c: Likewise.
1747 * dwfl_module_dwarf_cfi.c: Likewise.
1748 * dwfl_lineinfo.c: Likewise.
1749 * dwfl_nextcu.c: Likewise.
1750 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
1752 * libdwflP.h (dwfl_adjusted_st_value): New function.
1753 * relocate.c (resolve_symbol): Use it.
1754 * dwfl_module_getsym.c: Likewise.
1755 * dwfl_module_addrsym.c: Likewise.
1756 * dwfl_module_info.c: Likewise.
1758 * libdwflP.h (dwfl_adjusted_address): New function.
1759 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
1760 * relocate.c (__libdwfl_relocate_value): Likewise.
1761 * derelocate.c (cache_sections): Likewise.
1762 (dwfl_module_address_section): Likewise.
1763 * dwfl_module_getelf.c: Likewise.
1764 * dwfl_module_eh_cfi.c: Likewise.
1765 * link_map.c (consider_executable): Likewise.
1767 2010-08-24 Roland McGrath <roland@redhat.com>
1769 * dwfl_dwarf_line.c: New file.
1770 * Makefile.am (libdwfl_a_SOURCES): Add it.
1772 2010-08-18 Roland McGrath <roland@redhat.com>
1774 * link_map.c (report_r_debug): Use found name if we have no name,
1775 even if we already have an Elf handle.
1777 2010-06-30 Roland McGrath <roland@redhat.com>
1779 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
1780 confused by -1 return from dwfl_build_id_find_elf after it opened
1782 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
1783 dwfl_build_id_find_debuginfo.
1785 2010-06-16 Roland McGrath <roland@redhat.com>
1787 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
1789 2010-06-14 Roland McGrath <roland@redhat.com>
1791 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
1792 candidate file to that st_dev/st_ino and pretend it didn't exist
1794 (find_debuginfo_in_path): Update caller, pass main file's info.
1796 2010-05-20 Roland McGrath <roland@redhat.com>
1798 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
1799 (grovel_auxv): ... this. Take DWFL argument.
1800 (dwfl_linux_proc_report): Update caller.
1802 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
1803 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
1805 2010-05-19 Roland McGrath <roland@redhat.com>
1807 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
1809 2010-05-06 Roland McGrath <roland@redhat.com>
1811 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
1813 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
1814 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
1815 ID but we didn't find a file.
1816 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
1817 and refuse any fallback file-by-name if it lacks the matching ID.
1819 * dwfl_error.c (dwfl_errno): Add INTDEF.
1820 * libdwflP.h: Add INTDECL.
1822 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
1825 2010-05-04 Roland McGrath <roland@redhat.com>
1827 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
1828 ET_DYN that has a DT_DEBUG.
1830 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
1832 * segment.c (insert): Fix moving of values following insertion.
1833 (reify_segments): Fix up MOD->segment backpointer indices after
1834 later insertions in the main loop invalidate them.
1836 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
1837 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
1839 * core-file.c (dwfl_core_file_report): Return any nonzero count of
1840 modules reported, even if link_map grovelling failed and only sniffing
1843 2010-04-26 Roland McGrath <roland@redhat.com>
1845 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
1846 Works around probably-wrong ld -r behavior for case of a DWARF address
1847 constant that refers to a discarded SHF_ALLOC section.
1849 2010-04-14 Roland McGrath <roland@redhat.com>
1851 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
1852 an upper bound on sane possible number of elements.
1854 2010-03-11 Roland McGrath <roland@redhat.com>
1856 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
1857 the second half for 32-bit matches.
1859 2010-03-10 Roland McGrath <roland@redhat.com>
1861 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
1862 * argp-std.c (parse_opt): Update caller.
1863 * libdwfl.h: Declare dwfl_core_file_report.
1864 * libdwflP.h: Don't.
1866 2010-02-17 Roland McGrath <roland@redhat.com>
1868 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
1869 If set, find the first index not below ADDR.
1870 (dwfl_segment_report_module): Update callers.
1871 Pass true when calculating return value.
1873 2010-02-15 Roland McGrath <roland@redhat.com>
1875 * Makefile.am: Use config/eu.am for common stuff.
1877 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
1878 variable in failure path.
1880 2010-02-02 Mark Wielaard <mjw@redhat.com>
1882 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
1883 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
1885 2010-01-07 Roland McGrath <roland@redhat.com>
1887 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
1888 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1889 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
1890 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1892 2010-01-06 Roland McGrath <roland@redhat.com>
1894 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
1895 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
1897 2009-11-16 Roland McGrath <roland@redhat.com>
1899 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
1901 2009-11-12 Petr Machata <pmachata@redhat.com>
1903 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
1904 the chunk is both offset-contiguous and vaddr-contiguous.
1906 2009-11-05 Roland McGrath <roland@redhat.com>
1908 * link_map.c (report_r_debug): Skip entries with l_ld==0.
1909 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
1911 2009-09-04 Roland McGrath <roland@redhat.com>
1913 * image-header.c (__libdw_image_header): Fix tranposed comparison.
1915 2009-08-27 Roland McGrath <roland@redhat.com>
1917 * image-header.c: New file.
1918 * Makefile.am (libdwfl_a_SOURCES): Add it.
1919 * libdwflP.h: Declare __libdw_image_header.
1920 * open.c (decompress): Don't consume ELF on failure.
1921 (what_kind): New function, broken out of ...
1922 (__libdw_open_file): ... here. Call it.
1923 If it fails, try __libdw_image_header and then try what_kind again.
1925 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
1926 leave it behind for next decompressor.
1927 * open.c (decompress): Free BUFFER on failure.
1929 2009-08-26 Roland McGrath <roland@redhat.com>
1931 * gzip.c (find_zImage_payload): New function, broken out of ...
1932 (mapped_zImage): ... here. Call it.
1933 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
1934 stupid method of just trying the decoder.
1936 * open.c [USE_LZMA]: Try __libdw_unlzma.
1937 * libdwflP.h: Declare it.
1938 (DWFL_ERRORS): Add DWFL_E_LZMA.
1939 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
1941 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
1943 * gzip.c (mapped_zImage): Limit scan to 32kb.
1944 Make this unconditional, support bzip2 kernel images too.
1945 (unzip): Use direct inflate method for non-mmap case too.
1946 Only zlib uses the stream method.
1948 2009-08-09 Roland McGrath <roland@redhat.com>
1950 * dwfl_module_build_id.c: Use new macros for versioned definitions.
1952 2009-07-08 Roland McGrath <roland@redhat.com>
1954 * dwfl_module_dwarf_cfi.c: New file.
1955 * dwfl_module_eh_cfi.c: New file.
1956 * Makefile.am (libdwfl_a_SOURCES): Add them.
1957 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
1958 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
1960 2009-07-08 Roland McGrath <roland@redhat.com>
1962 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
1964 2009-06-18 Mark Wielaard <mjw@redhat.com>
1966 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
1968 2009-06-13 Ulrich Drepper <drepper@redhat.com>
1970 * derelocate.c: Don't use deprecated libelf functions.
1971 * dwfl_module_getdwarf.c: Likewise.
1972 * relocate.c: Likewise.
1974 2009-04-23 Ulrich Drepper <drepper@redhat.com>
1976 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
1977 defined. Otherwise just define the latest version.
1979 2009-04-22 Roland McGrath <roland@redhat.com>
1981 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
1982 a non-ET_REL module.
1984 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
1985 adjust properly for non-ET_REL.
1987 2009-04-21 Roland McGrath <roland@redhat.com>
1989 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
1991 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
1992 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
1994 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1996 2009-04-20 Roland McGrath <roland@redhat.com>
1998 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
2000 2009-04-19 Roland McGrath <roland@redhat.com>
2002 * dwfl_module_getdwarf.c (find_file): Renamed to ...
2003 (__libdwfl_getelf): ... this. Make it global.
2004 (find_symtab, find_dw): Update callers.
2005 (dwfl_module_getelf): Functions moved ...
2006 * dwfl_module_getelf.c: ... here, new file.
2007 * Makefile.am (libdwfl_a_SOURCES): Add it.
2008 * libdwflP.h: Declare __libdwfl_getelf.
2010 2009-04-14 Roland McGrath <roland@redhat.com>
2012 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
2013 absolute (already adjusted in place) or needing load bias adjustment.
2015 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
2016 gelf_getphdr failure. Fix file size limit checks.
2018 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
2020 2009-04-08 Roland McGrath <roland@redhat.com>
2022 * dwfl_module_getsym.c: Don't adjust for bias again after
2023 __libdwfl_relocate_value.
2025 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
2026 a non-SHF_ALLOC section.
2027 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
2028 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
2030 2009-03-09 Roland McGrath <roland@redhat.com>
2032 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
2033 variable to outer scope, so we cache it for the loop.
2035 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
2037 2009-02-12 Roland McGrath <roland@redhat.com>
2039 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
2040 __libdwfl_relocate_value to find correct sh_addr value.
2042 2009-02-10 Roland McGrath <roland@redhat.com>
2044 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
2045 If false, don't fail for NO_PHDR.
2046 (dwfl_report_elf): Update caller.
2047 * libdwflP.h: Update decl.
2048 * offline.c (process_elf): Call it with false, so we don't refuse
2049 dubiously-formed objects here.
2051 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
2052 finds our module. We shouldn't crash when we confuse some guesses.
2054 2009-02-10 Ulrich Drepper <drepper@redhat.com>
2056 * open.c (decompress): Avoid crash with empty input file.
2058 2009-01-27 Roland McGrath <roland@redhat.com>
2060 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
2061 with zero vaddr and memsz.
2063 2009-01-22 Roland McGrath <roland@redhat.com>
2065 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
2067 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
2068 after address-matching loop.
2070 * segment.c (lookup): Fix fencepost in checking for HINT match.
2072 2009-01-14 Roland McGrath <roland@redhat.com>
2074 * gzip.c [!BZLIB] (mapped_zImage): New function.
2075 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
2077 2009-01-10 Ulrich Drepper <drepper@redhat.com>
2079 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
2081 2009-01-08 Roland McGrath <roland@redhat.com>
2083 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
2084 Skip subdirectory named "source".
2085 (dwfl_linux_kernel_find_elf): Likewise.
2087 2009-01-06 Roland McGrath <roland@redhat.com>
2089 * linux-kernel-modules.c (check_suffix): New function.
2090 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
2091 (dwfl_linux_kernel_report_offline): Use it.
2092 (dwfl_linux_kernel_find_elf): Likewise.
2094 2009-01-05 Roland McGrath <roland@redhat.com>
2096 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
2097 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
2098 * dwfl_build_id_find_elf.c: Likewise.
2099 * dwfl_module_getdwarf.c (open_elf): Likewise.
2100 * dwfl_report_elf.c: Likewise.
2101 * find-debuginfo.c (validate): Likewise.
2102 * offline.c (__libdwfl_report_offline): Likewise.
2104 * libdwflP.h: Declare __libdw_open_file.
2106 * Makefile.am (libdwfl_a_SOURCES): Add it.
2109 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
2110 * bzip2.c: New file.
2111 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
2112 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
2114 2008-12-16 Roland McGrath <roland@redhat.com>
2116 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
2117 symver magic to bind to ELFUTILS_0.138.
2118 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
2119 wrapper for ELFUTILS_0.130 version set.
2121 2008-12-18 Roland McGrath <roland@redhat.com>
2123 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
2124 addresses are taken as relative to MOD->low_addr.
2126 2008-12-15 Roland McGrath <roland@redhat.com>
2128 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
2131 2008-12-11 Roland McGrath <roland@redhat.com>
2133 * offline.c (process_archive): Don't call elf_end and close if
2134 returning NULL. Check first elf_begin call and set error code
2135 specially for empty archive.
2138 2008-12-02 Roland McGrath <roland@redhat.com>
2140 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
2142 2008-11-26 Roland McGrath <roland@redhat.com>
2144 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
2145 return value, and interpret encoded OFFSET argument.
2147 2008-10-07 Roland McGrath <roland@redhat.com>
2149 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
2151 2008-09-29 Roland McGrath <roland@redhat.com>
2153 * segment.c (insert): Must realloc DWFL->lookup_module here too.
2154 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
2156 2008-08-28 Roland McGrath <roland@redhat.com>
2158 * segment.c (reify_segments): Fix last change.
2160 2008-08-27 Roland McGrath <roland@redhat.com>
2162 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
2163 failure from pread64.
2165 2008-08-26 Roland McGrath <roland@redhat.com>
2167 * segment.c (reify_segments): Insert a trailing segment for a module
2168 end that is above the highest current segment.
2170 2008-08-25 Roland McGrath <roland@redhat.com>
2172 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
2173 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
2174 if FILE->elf is not ELF_K_ELF.
2176 * dwfl_segment_report_module.c: Add a cast.
2178 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
2180 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
2181 which decides which symbol is "closest" to a given address.
2183 2008-08-15 Roland McGrath <roland@redhat.com>
2185 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
2186 (options, parse_opt): Handle --core.
2188 * core-file.c: New file.
2189 * Makefile.am (libdwfl_a_SOURCES): Add it.
2190 * libdwflP.h (dwfl_core_file_report): Declare it.
2192 * link_map.c: New file.
2193 * Makefile.am (libdwfl_a_SOURCES): Add it.
2194 * libdwflP.h (dwfl_link_map_report): Declare it.
2196 * libdwflP.h (MIN, MAX): New macros.
2197 (Dwfl_Memory_Callback): New typedef.
2198 (Dwfl_Module_Callback): New typedef.
2199 (dwfl_segment_report_module): Declare it.
2200 * dwfl_segment_report_module.c: New file.
2201 * Makefile.am (libdwfl_a_SOURCES): Add it.
2203 * derelocate.c (dwfl_module_address_section): Add INTDEF.
2204 * libdwflP.h: Add INTDECL.
2206 * segment.c: New file.
2207 * Makefile.am (libdwfl_a_SOURCES): Add it.
2208 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
2209 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
2210 lookup_addr, lookup_module, lookup_segndx, replace removed members
2212 (struct Dwfl_Module): New member segment.
2213 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
2214 to each free module.
2215 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
2216 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
2217 (dwfl_report_module): Don't touch DWFL->nmodules.
2218 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
2219 (compare_modules): Function removed.
2220 * dwfl_getmodules.c: Rewritten.
2222 * libdwflP.h: Add INTDECLs.
2223 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
2224 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
2226 2008-08-03 Roland McGrath <roland@redhat.com>
2228 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
2230 2008-07-17 Roland McGrath <roland@redhat.com>
2232 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
2233 zero if the failure was only ENOENT.
2235 2008-06-03 Roland McGrath <roland@redhat.com>
2237 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
2240 2008-05-22 Petr Machata <pmachata@redhat.com>
2242 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
2244 2008-05-06 Roland McGrath <roland@frob.com>
2246 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
2247 FTS_LOGICAL here too.
2248 (dwfl_linux_kernel_find_elf): Likewise.
2250 2008-04-29 Roland McGrath <roland@redhat.com>
2252 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
2253 based on canonicalize_file_name if it differs from the supplied name.
2255 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
2258 2008-04-27 Roland McGrath <roland@redhat.com>
2260 * linux-kernel-modules.c (report_kernel): Fix crash when
2261 dwfl_report_elf fails.
2263 2008-04-05 Roland McGrath <roland@redhat.com>
2265 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
2267 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
2268 Clear it after freeing.
2269 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
2271 2008-03-26 Roland McGrath <roland@redhat.com>
2273 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
2274 SHT_DYNSYM, just set *SYMSCN like the comment says.
2276 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
2278 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
2280 2008-03-19 Roland McGrath <roland@redhat.com>
2282 * dwfl_module_getsrc.c: Adjust address for module bias before search.
2284 2008-03-01 Roland McGrath <roland@redhat.com>
2286 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
2287 prototype to avoid older compiler's complaint about reuse of the name.
2288 (__libdwfl_canon_error): Likewise.
2290 2008-02-19 Roland McGrath <roland@redhat.com>
2292 * relocate.c (relocate_section): Check for an unhandled relocation
2293 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
2294 DWFL_E_UNKNOWN_MACHINE check out of loops.
2296 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
2297 DEBUGFILE->relocated is already set.
2299 2008-01-26 Roland McGrath <roland@redhat.com>
2301 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
2303 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
2304 incoming *FILE_NAME at the start.
2306 2008-01-08 Roland McGrath <roland@redhat.com>
2308 * Makefile.am (euinclude): Variable removed.
2309 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
2311 2007-10-23 Roland McGrath <roland@redhat.com>
2313 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
2314 module to appear first.
2316 2007-10-20 Roland McGrath <roland@redhat.com>
2318 * offline.c (process_archive_member): Take FD argument, pass it down
2319 to process_file. Return Elf_Cmd, not bool.
2320 Call elf_next here, always before elf_end.
2321 (process_archive): Update caller. Don't close FD here unless there
2324 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
2326 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
2327 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
2328 partial relocation to one or both files.
2329 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
2330 relocations have been applied to the debug file if dwfl_module_getelf
2331 has been used before.
2333 * relocate.c (resolve_symbol): New function.
2334 (relocate_section): Call it.
2336 * relocate.c (relocate_getsym): Handle null MOD->symfile.
2337 (relocate_section): Take new bool arg, PARTIAL. If true,
2338 no error for BADRELTYPE/RELUNDEF, instead just skip them
2339 and leave only those skipped relocs behind the reloc section.
2340 (__libdwfl_relocate_section): Take new arg, pass it down.
2341 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
2342 do partial relocation on all sections.
2343 * dwfl_module_getdwarf.c (load_dw): Update caller.
2344 * libdwflP.h: Update decls.
2345 * derelocate.c (dwfl_module_address_section): Pass new argument
2346 to __libdwfl_relocate_section, true.
2348 * derelocate.c (cache_sections): Don't cache reloc sections when
2349 section_address callback is null.
2351 2007-10-19 Roland McGrath <roland@redhat.com>
2353 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
2355 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
2356 (struct secref): Likewise.
2357 (cache_sections): Cache the relocation section referring to each
2358 section we cache, if any.
2359 (dwfl_module_address_section): Use __libdwfl_relocate_section as
2362 * relocate.c (struct reloc_symtab_cache): New type.
2363 (relocate_getsym): Use it instead of four arguments.
2364 (__libdwfl_relocate): Update caller.
2365 (relocate_section): New function, broken out of ...
2366 (__libdwfl_relocate): ... here.
2367 (__libdwfl_relocate_section): New function.
2368 * libdwflP.h: Declare it.
2370 2007-10-17 Roland McGrath <roland@redhat.com>
2372 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
2373 to relocated st_value.
2375 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
2378 2007-10-16 Roland McGrath <roland@redhat.com>
2380 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
2381 section has larger alignment requirements not met by the original BASE,
2382 rather than padding more between sections.
2384 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
2386 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
2389 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
2390 at zero in ET_REL case. Adjust BASE to necessary alignment.
2392 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
2394 (__libdwfl_find_build_id): Update caller.
2396 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
2397 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
2398 * offline.c (dwfl_offline_section_address): Bail early if there is
2399 separate debug file.
2401 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
2403 2007-10-09 Roland McGrath <roland@redhat.com>
2405 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
2406 caching SHDR->sh_addr = 0.
2407 * offline.c (dwfl_offline_section_address): Never called for sh_addr
2408 really at 0, don't check for it. Use MOD->debug directly, not symfile.
2410 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
2411 we've found SHT_SYMTAB.
2413 * relocate.c (relocate_getsym): New function.
2414 (__libdwfl_relocate): Use it.
2415 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
2416 be a pointer instead of value; cache getshstrndx result there.
2417 * libdwflP.h: Update decl.
2418 * derelocate.c (cache_sections): Update caller.
2419 Always work on the main file, not the symfile.
2420 (dwfl_module_address_section): Likewise.
2421 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
2423 2007-10-07 Roland McGrath <roland@redhat.com>
2425 * offline.c (process_archive): Initialize MOD.
2427 * linux-kernel-modules.c (get_release): New function, broken out of ...
2428 (report_kernel): ... here. Call it.
2429 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
2430 (find_kernel_elf): Update caller.
2431 (report_kernel_archive): New function.
2432 (dwfl_linux_kernel_report_offline): Call it.
2434 * offline.c (process_file): Take new arg PREDICATE, pass it down.
2435 (process_archive): Likewise.
2436 (process_archive_member): Likewise. When nonnull, let the predicate
2437 decide whether to use this member.
2438 (__libdwfl_report_offline): New function, broken out of ...
2439 (dwfl_report_offline): ... here. Call it.
2440 * libdwflP.h: Declare it.
2442 * offline.c (process_archive, process_archive_member): New functions.
2443 (process_elf, process_file): New functions, broken out of ...
2444 (dwfl_report_offline): ... here. Call process_file, which recurses on
2447 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
2448 (dwfl_report_elf): ... here. Call it.
2449 * libdwflP.h: Declare it.
2451 2007-10-06 Roland McGrath <roland@redhat.com>
2453 * derelocate.c (dwfl_module_relocations): Don't call
2454 dwfl_module_getdwarf.
2456 * derelocate.c (find_section): Use __libdwfl_seterrno, not
2459 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
2460 SHF_ALLOC, to cache sh_addr resolved to 0.
2462 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
2463 values nonzero already, just use its existing layout.
2465 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
2466 in-core shdr after applying it.
2468 2007-10-04 Ulrich Drepper <drepper@redhat.com>
2470 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
2471 initialization of notes variable.
2473 2007-10-04 Roland McGrath <roland@redhat.com>
2475 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
2476 fill in with vaddr of "__start_notes" symbol if found.
2477 (check_notes): New function.
2478 (check_kernel_notes): New function.
2479 (dwfl_linux_kernel_report_kernel): Call it.
2480 (check_module_notes): New function.
2481 (dwfl_linux_kernel_report_modules): Call it.
2483 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
2484 Try dwfl_build_id_find_elf first.
2486 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
2487 Set kernel module e_type to ET_DYN.
2489 2007-10-03 Roland McGrath <roland@redhat.com>
2491 * find-debuginfo.c (validate): New function, broken out of ...
2492 (find_debuginfo_in_path): ... here. New function, broken out of ...
2493 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
2494 dwfl_build_id_find_debuginfo first.
2496 * dwfl_build_id_find_elf.c: New file.
2497 * dwfl_build_id_find_debuginfo.c: New file.
2498 * Makefile.am (libdwfl_a_SOURCES): Add them.
2499 * libdwfl.h: Declare them.
2500 * libdwflP.h: Add INTDECLs.
2502 * dwfl_module_build_id.c: New file.
2503 * dwfl_module_report_build_id.c: New file.
2504 * Makefile.am (libdwfl_a_SOURCES): Add them.
2505 * libdwfl.h: Declare them.
2506 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
2507 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
2508 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
2510 * dwfl_module_getdwarf.c (find_offsets): New function.
2511 (find_dynsym): New function, calls that.
2512 (find_symtab): Call it.
2514 2007-09-11 Roland McGrath <roland@redhat.com>
2516 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
2517 address if its st_size is smaller.
2519 2007-08-13 Roland McGrath <roland@redhat.com>
2521 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
2523 2007-08-12 Roland McGrath <roland@redhat.com>
2525 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
2528 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
2529 a second phdr if it happens to match EHDR_VMA exactly.
2531 2007-08-08 Roland McGrath <roland@redhat.com>
2533 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
2534 those with no names. Rewrite best symbol algorithm not to assume a
2535 sorted table and to be smarter handling sizeless symbols.
2537 2007-07-16 Roland McGrath <roland@redhat.com>
2539 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
2540 reviving an existing module.
2542 2007-06-08 Roland McGrath <roland@redhat.com>
2544 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
2546 2007-05-17 Roland McGrath <roland@redhat.com>
2548 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
2549 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
2550 (dwfl_linux_kernel_find_elf): Likewise.
2552 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2553 getline and sscanf instead of fscanf.
2555 2007-05-08 Roland McGrath <roland@redhat.com>
2557 * offline.c (dwfl_offline_section_address): Don't assume section
2558 numbers match between stripped and debuginfo files. Instead, assume
2559 only that the ordering among SHF_ALLOC sections matches.
2561 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
2563 (dwfl_linux_kernel_report_offline): Update caller.
2564 (dwfl_linux_kernel_report_kernel): Likewise.
2566 2007-04-23 Roland McGrath <roland@redhat.com>
2568 * argp-std.c (options): Fix group title string.
2570 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
2571 Update via STATE->input every time we set STATE->hook, not only at
2574 * dwfl_module.c (free_file): Free FILE->name.
2576 2007-04-16 Roland McGrath <roland@redhat.com>
2578 * derelocate.c (cache_sections): Apply bias to sh_addr.
2579 (compare_secrefs): Fix address comparison to avoid signed overflow.
2580 (find_section): New function, broken out of ...
2581 (dwfl_module_relocate_address): ... here, call it.
2582 (check_module): New function, broken out of ...
2583 (dwfl_module_relocate_address): ... here, call it.
2584 (dwfl_module_address_section): New function.
2585 * libdwfl.h: Declare it.
2587 2007-03-26 Roland McGrath <roland@redhat.com>
2589 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2591 2007-03-18 Roland McGrath <roland@redhat.com>
2593 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
2594 (find_debuginfo): ... here. Call it.
2595 Don't return error for libelf errors finding .gnu_debuglink section.
2597 2007-03-12 Roland McGrath <roland@redhat.com>
2599 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
2600 (dwfl_report_begin): ... here. Call it.
2601 * libdwfl.h: Declare it.
2602 * libdwflP.h: Add INTDECL.
2604 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2606 * offline.c: Comment typo fix.
2608 2007-03-04 Roland McGrath <roland@redhat.com>
2610 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
2611 (find_kernel_elf): New function, broken out of ...
2612 (report_kernel): ... here. Call it.
2613 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
2614 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
2615 virtual address bounds of kernel from symbols rounded to page size.
2616 (dwfl_linux_kernel_report_kernel): Use that if it works, before
2617 resorting to report_kernel.
2619 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
2620 ET_EXEC file with nonzero bias.
2622 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
2623 dwfl_module_addrsym. Guts moved to ...
2624 * dwfl_module_addrsym.c: ... here; new file.
2625 * Makefile.am (libdwfl_a_SOURCES): Add it.
2626 * libdwfl.h: Declare dwfl_module_addrsym.
2627 * libdwflP.h: Add INTDECL.
2629 2007-03-03 Roland McGrath <roland@redhat.com>
2631 * dwfl_module.c (free_file): New function, broken out of ...
2632 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
2634 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
2637 2007-03-02 Roland McGrath <roland@redhat.com>
2639 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
2641 2007-02-02 Roland McGrath <roland@redhat.com>
2643 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
2644 address exactly if it's no other module's low boundary.
2646 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
2647 and size cover the address, select the closest symbol with st_size==0
2648 that lies in the same section.
2650 2007-01-29 Roland McGrath <roland@redhat.com>
2652 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2655 2007-01-20 Roland McGrath <roland@redhat.com>
2657 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
2659 * libdwfl.h (Dwfl_Callbacks): Update comment.
2660 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
2661 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2662 For ignored missing section, use -1 instead of 0.
2663 * offline.c (dwfl_offline_section_address): Expect a call for 0.
2665 2007-01-19 Roland McGrath <roland@redhat.com>
2667 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
2668 zero so a lone -e foo.so is shown without address bias.
2670 2007-01-10 Roland McGrath <roland@redhat.com>
2672 * linux-kernel-modules.c (report_kernel): Check asprintf return value
2673 directly instead of via side effect, to silence warn_unused_result.
2674 (dwfl_linux_kernel_report_offline): Likewise.
2675 (dwfl_linux_kernel_find_elf): Likewise.
2676 (dwfl_linux_kernel_module_section_address): Likewise.
2677 * find-debuginfo.c (try_open): Likewise.
2678 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
2679 (dwfl_linux_proc_report): Likewise.
2681 * libdwfl.h (dwfl_begin): Require nonnull argument.
2683 2006-12-27 Roland McGrath <roland@redhat.com>
2685 * dwfl_module.c (compare_modules): Fix address comparison to avoid
2686 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
2688 2006-10-30 Roland McGrath <roland@redhat.com>
2690 * dwfl_module.c (dwfl_report_module): Comment typo fix.
2692 2006-09-05 Roland McGrath <roland@redhat.com>
2694 * derelocate.c (cache_sections): Use alloca instead of variable-sized
2695 auto array, in function already using alloca.
2697 2006-08-14 Roland McGrath <roland@redhat.com>
2699 * linux-kernel-modules.c (try_kernel_name): If the call to
2700 dwfl_standard_find_debuginfo produces no results, try it again
2701 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
2703 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
2704 * libdwflP.h: ... to here.
2705 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
2706 repeats the first thing dwfl_standard_find_debuginfo will try.
2708 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
2709 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
2710 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
2713 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2715 * cu.c: Adjust for internal_function_def removal.
2716 * dwfl_error.c: Likewise.
2717 * dwfl_module.c: Likewise.
2718 * dwfl_module_getdwarf.c: Likewise.
2719 * lines.c: Likewise.
2720 * relocate.c: Likewise.
2722 2006-07-11 Ulrich Drepper <drepper@redhat.com>
2724 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
2725 it can overflow the return value type.
2726 Patch by Tim Moore <timoore@redhat.com>.
2728 2006-06-28 Roland McGrath <roland@redhat.com>
2730 * libdwfl.h: Cosmetic changes.
2732 * dwfl_line_comp_dir.c: New file.
2733 * Makefile.am (libdwfl_a_SOURCES): Add it.
2734 * libdwfl.h: Declare dwfl_line_comp_dir.
2736 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
2738 * dwfl_linecu.c: New file.
2739 * Makefile.am (libdwfl_a_SOURCES): Add it.
2740 * libdwfl.h: Declare dwfl_linecu.
2742 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
2743 (dwfl_linecu): Define as macro.
2745 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
2747 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
2748 (dwfl_module_addrname): Function moved ...
2749 * dwfl_module_addrname.c: ... here, new file.
2750 * dwfl_module_getsym.c: New file.
2751 * Makefile.am (libdwfl_a_SOURCES): Add them.
2752 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
2753 * libdwflP.h: Add INTDECLs.
2755 2006-06-27 Roland McGrath <roland@redhat.com>
2757 * dwfl_module.c (dwfl_report_end): Whitespace fix.
2759 2006-06-13 Roland McGrath <roland@redhat.com>
2761 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2762 Use __libdwfl_seterrno for elf_memory failure.
2764 2006-05-22 Roland McGrath <roland@redhat.com>
2766 * dwfl_module_return_value_location.c
2767 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2769 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2771 * libdwfl.h: Add extern "C".
2773 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2775 * cu.c (addrarange): Handle files without aranges information.
2777 2006-05-16 Ulrich Drepper <drepper@redhat.com>
2779 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
2782 2006-02-26 Roland McGrath <roland@redhat.com>
2784 * dwfl_version.c: New file.
2785 * Makefile.am (libdwfl_a_SOURCES): Add it.
2786 * libdwfl.h: Declare dwfl_version.
2788 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
2789 aligned up from DWFL->offline_next_address when checking for overlap.
2791 2005-12-22 Roland McGrath <roland@redhat.com>
2793 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
2795 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
2796 (dwfl_linux_proc_report): ... here. Call it.
2797 (dwfl_linux_proc_maps_report): New function.
2798 * libdwfl.h: Declare it.
2799 * libdwflP.h: Add INTDECL.
2800 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
2802 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
2803 failed with DWFL_E_NO_DWARF.
2805 2005-11-26 Roland McGrath <roland@redhat.com>
2807 * dwfl_end.c (dwfl_end): Free the DWFL itself.
2809 2005-11-25 Roland McGrath <roland@redhat.com>
2811 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
2813 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
2814 * libdwflP.h: Declare it.
2816 * dwfl_module_register_names.c: New file.
2817 * Makefile.am (libdwfl_a_SOURCES): Add it.
2818 * libdwfl.h: Declare dwfl_module_register_names.
2820 2005-11-21 Roland McGrath <roland@redhat.com>
2822 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2823 Don't leak malloc'd file name.
2824 If a /sys/.../sections file is missing and starts with ".init",
2825 try the variant with "_init" too; catches PPC64 kernel braindamage.
2827 2005-11-15 Roland McGrath <roland@redhat.com>
2829 * libdwfl.h: Comment fixes.
2831 * dwfl_module_return_value_location.c: Add unlikely for error case.
2833 2005-11-13 Roland McGrath <roland@redhat.com>
2835 * dwfl_return_value_location.c: New file.
2836 * Makefile.am (libdwfl_a_SOURCES): Add it.
2837 * libdwfl.h: Declare dwfl_module_return_value_location.
2838 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
2840 2005-10-20 Roland McGrath <roland@redhat.com>
2842 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
2843 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
2844 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2846 2005-10-01 Roland McGrath <roland@redhat.com>
2848 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
2851 2005-09-19 Roland McGrath <roland@redhat.com>
2853 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2854 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
2855 the signed integer reading; they will just have to be in hexadecimal.
2856 (dwfl_linux_kernel_module_section_address): Likewise.
2858 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2860 * Makefile.am (%.os): Use COMPILE.os.
2861 (COMPILE.os): Filter out gconv options.
2863 2005-08-25 Roland McGrath <roland@redhat.com>
2865 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
2866 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2868 2005-08-24 Roland McGrath <roland@redhat.com>
2870 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
2872 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
2873 magic initializer to set -heur-stack-bound option.
2875 2005-08-22 Roland McGrath <roland@redhat.com>
2877 * dwfl_validate_address.c: New file.
2878 * Makefile.am (libdwfl_a_SOURCES): Add it.
2879 * libdwfl.h: Declare dwfl_validate_address.
2881 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
2882 * libdwflP.h: Add INTDECL.
2884 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
2885 elf_rawdata for symbol-related sections.
2887 * offline.c (dwfl_report_offline): Move offline_next_address outside
2888 module's range, in case it's an ET_EXEC using fixed segment locations.
2889 * libdwfl.h: Update comment.
2891 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
2894 2005-08-20 Roland McGrath <roland@redhat.com>
2896 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
2897 function to choose whether to report.
2898 (dwfl_linux_kernel_report_offline): Likewise.
2899 * libdwfl.h: Update decl.
2900 * argp-std.c (parse_opt): Update caller.
2902 * dwfl_getsrclines.c: New file.
2903 * dwfl_onesrcline.c: New file.
2904 * Makefile.am (libdwfl_a_SOURCES): Add them.
2905 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
2907 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
2908 MODULESDIR[0]. Call fts_close on failure.
2910 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
2911 Close ET_REL file descriptors after relocation.
2912 (find_dw): Update caller.
2913 * offline.c (dwfl_report_offline): Get the file into memory and close
2914 the file descriptor.
2916 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
2917 MOD->debug.elf is already set.
2919 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
2920 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
2922 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
2923 dwfl_linux_kernel_report_offline with offline_callbacks.
2925 * linux-kernel-modules.c (report_kernel): New function, broken out of
2927 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2928 (dwfl_linux_kernel_report_offline): New function.
2929 * libdwfl.h: Declare it.
2930 * libdwflP.h: Add INTDECL.
2932 2005-08-19 Roland McGrath <roland@redhat.com>
2934 Use standard debuginfo search path to look for vmlinux.
2935 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
2937 * linux-kernel-modules.c (try_kernel_name): New function, broken out
2939 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2941 * argp-std.c (offline_callbacks): New variable.
2942 (parse_opt): Use it for -e. Allow multiple -e options.
2944 * offline.c: New file.
2945 * Makefile.am (libdwfl_a_SOURCES): Add it.
2946 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
2947 * libdwflP.h: Add INTDECLs.
2948 (OFFLINE_REDZONE): New macro.
2949 (struct Dwfl): New member `offline_next_address'.
2950 * dwfl_begin.c (dwfl_begin): Initialize it.
2951 * dwfl_module.c (dwfl_report_begin): Likewise.
2953 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
2954 do a nominal absolute section layout starting at BASE.
2955 * libdwfl.h: Update comment.
2957 2005-08-18 Roland McGrath <roland@redhat.com>
2959 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
2960 dwfl_module_getdwarf if necessary.
2962 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
2963 * libdwfl.h: Update comment.
2965 * derelocate.c: New file.
2966 * Makefile.am (libdwfl_a_SOURCES): Add it.
2968 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
2969 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
2970 * dwfl_module_getdwarf.c (open_elf): Update initialization.
2971 (load_dw, dwfl_module_addrname): Update uses.
2972 * relocate.c (__libdwfl_relocate): Likewise.
2974 2005-08-04 Roland McGrath <roland@redhat.com>
2976 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
2977 arguments SHNDX, SHDR.
2978 (dwfl_linux_kernel_module_section_address): Update prototype.
2979 * relocate.c (__libdwfl_relocate_value): Update caller.
2980 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2981 Take the new arguments.
2983 2005-08-10 Roland McGrath <roland@redhat.com>
2985 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
2986 use it instead of MOD->debug.file.
2987 * libdwflP.h: Update decl.
2988 * dwfl_module_getdwarf.c (load_dw): Update caller.
2991 2005-08-09 Roland McGrath <roland@redhat.com>
2993 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
2994 * cu.c: Use INTUSE on dwarf_* calls.
2995 * dwfl_error.c: Likewise.
2996 * dwfl_module.c: Likewise.
2997 * dwfl_module_getdwarf.c: Likewise.
2998 * dwfl_module_getsrc_file.c: Likewise.
2999 * lines.c: Likewise.
3001 2005-08-07 Roland McGrath <roland@redhat.com>
3003 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
3004 names contain '_' or '-', look for files named either "foo-bar.ko"
3007 2005-07-29 Roland McGrath <roland@redhat.com>
3009 * loc2c.c: File removed.
3010 * loc2c.h: File removed.
3011 * loc2c-runtime.h: File removed.
3012 * test2.c: File removed.
3013 * Makefile.am (EXTRA_DIST): Variable removed.
3014 (noinst_HEADERS): Remove loc2c.h from here.
3016 2005-07-28 Ulrich Drepper <drepper@redhat.com>
3018 * libdwfl.h: Add a few missing extern for function prototypes.
3020 * libdwfl_crc32.c: New file.
3021 * libdwfl_crc32_file.c: New file.
3022 * libdwflP.h: Declare the new functions.
3023 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
3024 libdwfl_crc32_file.c.
3025 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
3026 instead of crc32_file.
3028 2005-07-28 Roland McGrath <roland@redhat.com>
3030 * ptest.c: Moved to ../tests/dwflmodtest.c.
3032 * Makefile.am (noinst_PROGRAMS): Variable removed.
3033 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
3034 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
3035 (libdwfl): Don't use libdwfl.so any more.
3036 (libdwfl.so, install, uninstall): Targets removed.
3037 (test2_SOURCES): Define EXTRA_DIST instead of this.
3038 * libdwfl.map: File removed.
3040 * libdwfl.h: Use "" for libdw.h #include.
3042 2005-07-27 Roland McGrath <roland@redhat.com>
3044 * libdwfl.map: Add dwfl_getmodules.
3046 2005-07-23 Ulrich Drepper <drepper@redhat.com>
3048 * Makefile.am: Fix rules to allow building with mudflap.
3050 2005-07-21 Roland McGrath <roland@redhat.com>
3052 * Makefile.am (noinst_HEADERS): Add loc2c.c.
3054 * test2.c (main): Check sscanf result to quiet warning.
3056 2005-07-20 Roland McGrath <roland@redhat.com>
3058 * libdwfl-branch merged, creating this direcotry.