1 2015-06-05 Mark Wielaard <mjw@redhat.com>
3 * dwfl_segment_report_module.c (dwfl_segment_report_module):
4 If the note_file exists, but the build_id doesn't match discard
5 the file and continue reporting.
7 2015-06-01 Mark Wielaard <mjw@redhat.com>
9 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Copy path
10 pointer before passing to strsep.
12 2015-05-30 Mark Wielaard <mjw@redhat.com>
14 * link_map.c (check32): Use read_4ubyte_unaligned_noncvt to read
16 (read_addrs): Use read_(4|8)ubyte_unaligned_noncvt or to read
19 2015-05-30 Mark Wielaard <mjw@redhat.com>
21 * find-debuginfo.c (dwfl_standard_find_debuginfo): Check file_name is
22 not NULL before calling canonicalize_file_name.
24 2015-05-24 Mark Wielaard <mjw@redhat.com>
26 * derelocate.c (check_module): Check mod is not NULL.
28 2015-05-22 Mark Wielaard <mjw@redhat.com>
30 * link_map.c (dwfl_link_map_report): Allocate phdrs and dyn with
31 malloc instead of stack allocating. Call free when done with data.
33 2015-05-22 Mark Wielaard <mjw@redhat.com>
35 * dwfl_segment_report_module.c (dwfl_segment_report_module):
36 Allocate phdrs with malloc, not on stack. free in finish.
37 Allocate dyn with malloc, not on stack, free after use.
39 2015-05-22 Mark Wielaard <mjw@redhat.com>
41 * find-debuginfo.c (find_debuginfo_in_path): malloc or strdup,
42 instead of alloca or strdupa, local strings of unknown size.
43 Call free before return.
45 2015-05-22 Mark Wielaard <mjw@redhat.com>
47 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Return
48 error when id_len too small or too large. strdup, not strdupa,
49 and free path when done.
51 2015-05-19 Mark Wielaard <mjw@redhat.com>
53 * elf-from-memory.c (elf_from_remote_memory): Don't allocate all
54 phdrs on the stack. Allocate with malloc and free when done.
56 2015-05-19 Mark Wielaard <mjw@redhat.com>
58 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): malloc and
61 2015-05-19 Mark Wielaard <mjw@redhat.com>
63 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't
64 stack allocate name. Only change chars up to suffix.
66 2015-05-18 Mark Wielaard <mjw@redhat.com>
68 * dwfl_module_getdwarf.c (find_prelink_address_sync): Allocate
69 phdrs and shdrs unions with malloc, not alloca. Free after use.
71 2015-05-18 Mark Wielaard <mjw@redhat.com>
73 * derelocate.c (cache_sections): Allocate temporary newrefs and
74 sortrefs with malloc, not alloca. Always free them on return.
76 2015-05-07 Mark Wielaard <mjw@redhat.com>
78 * cu.c (intern_cu): Check for EOF and check cuoff points to a real
79 Dwarf_Die before interning. Explicitly check EOF is expected.
81 2015-05-05 Mark Wielaard <mjw@redhat.com>
83 * dwfl_lineinfo.c (dwfl_lineinfo): Check info->file is valid.
85 2015-05-06 Roland McGrath <roland@hack.frob.com>
87 * dwfl_error.c (struct msgtable): Break type definition out of
88 the 'msgtable' initializer.
89 (msgtable): Make it a union of struct msgtable and a char array.
90 (msgstr): Use the full-table char array rather than the msg_0 entry.
92 2015-04-23 Max Filippov <jcmvbkbc@gmail.com>
94 * core-file.c (_compat_without_executable_dwfl_core_file_report):
95 Guard with SYMBOL_VERSIONING.
96 * dwfl_module_build_id.c (_compat_vaddr_at_end_dwfl_module_build_id):
98 * dwfl_report_elf.c (_compat_without_add_p_vaddr_dwfl_report_elf):
101 2015-04-02 Mark Wielaard <mjw@redhat.com>
103 * segment.c (insert): Check correct number of lookup_elts.
105 2015-03-31 Mark Wielaard <mjw@redhat.com>
107 * core-file.c (core_file_read_eagerly): Special case small images.
109 2015-01-26 Mark Wielaard <mjw@redhat.com>
111 * dwfl_module_getdwarf.c (find_symtab): Explicitly clear symdata,
112 syments and first_global on elferr before calling find_dynsym.
114 2014-12-27 Mark Wielaard <mjw@redhat.com>
116 * dwfl_module_getsrc.c (dwfl_module_getsrc): Never match a line that
117 has end_sequence set.
119 2015-01-04 Mark Wielaard <mjw@redhat.com>
121 * cu.c (intern_cu): Store result and return directly when finding
123 (__libdwfl_nextcu): Check *nextp as returned by intern_cu isn't -1.
125 2014-12-19 Mark Wielaard <mjw@redhat.com>
127 * dwfl_module_getdwarf.c (find_symtab): Always try find_dynsym last.
129 2014-12-19 Mark Wielaard <mjw@redhat.com>
131 * elf-from-memory.c (handle_segment): Remove palign sanity check.
133 2014-12-18 Mark Wielaard <mjw@redhat.com>
135 * relocate.c (resolve_symbol): Make sure symstrdata->d_buf != NULL.
137 2014-12-13 Mark Wielaard <mjw@redhat.com>
139 * dwfl_module_getdwarf.c (find_dynsym): elf_getdata_rawchunk takes
140 a size_t, make sure it doesn't overflow.
142 2014-12-13 Mark Wielaard <mjw@redhat.com>
144 * cu.c (cudie_offset): Make sure Dwarf_Off difference doesn't
145 wrap around before returning as int.
147 2014-12-11 Josh Stone <jistone@redhat.com>
149 * dwfl_module_getsrc.c (dwfl_module_getsrc): Return the *last* line
150 record <= addr, rather than returning immediately on matches.
152 2014-12-09 Mark Wielaard <mjw@redhat.com>
154 * dwfl_segment_report_module.c (handle_file_note): Check count doesn't
157 2014-12-07 Mark Wielaard <mjw@redhat.com>
159 * relocate.c (relocate_section): Sanity check section overlap against
160 actually used ehsize, shentsize and phentsize.
162 2014-12-07 Mark Wielaard <mjw@redhat.com>
164 * offline.c (dwfl_offline_section_address): Assert shndx is not zero.
165 * relocate.c (__libdwfl_relocate_value): Don't relocate against
168 2014-11-29 Mark Wielaard <mjw@redhat.com>
170 * relocate.c (relocate_section): Check relocation section and target
171 section data don't overlap any of the ELF headers.
172 (relocate): Check for offset + size overflow.
174 2014-11-22 Mark Wielaard <mjw@redhat.com>
176 * link_map.c (consider_executable): Use elf_getphdrnum.
177 (dwfl_link_map_report): Likewise.
179 2014-11-18 Mark Wielaard <mjw@redhat.com>
181 * dwfl_module_getdwarf.c (find_symtab): Sanity check the data buffer,
182 number of symbols and first_global before use.
184 2014-11-14 Mark Wielaard <mjw@redhat.com>
186 * dwfl_module_getdwarf.c (load_symtab): Don't use tables which have
189 2014-11-10 Mark Wielaard <mjw@redhat.com>
191 * dwfl_module_getdwarf.c (find_dynsym): New inner function
192 translate_offs that takes an adjust argument. Try finding
193 the symbol table with and without adjusting to main_bias.
195 2014-09-26 Jan Kratochvil <jan.kratochvil@redhat.com>
197 Support NT_FILE for locating files.
198 * core-file.c (dwfl_core_file_report): New variables note_file and
199 note_file_size, set them and pass them to dwfl_segment_report_module.
200 * dwfl_segment_report_module.c: Include common.h and fcntl.h.
201 (buf_has_data, buf_read_ulong, handle_file_note): New functions.
202 (invalid_elf): New function from code of dwfl_segment_report_module.
203 (dwfl_segment_report_module): Add parameters note_file and
204 note_file_size. New variables elf and fd, clean them up in finish.
205 Move some code to invalid_elf. Call handle_file_note, if it found
206 a name verify the file by invalid_elf. Protect elf and fd against
207 cleanup by finish if we found the file for new Dwfl_Module.
208 * libdwflP.h (dwfl_segment_report_module): Add parameters note_file and
211 2014-09-23 Mark Wielaard <mjw@redhat.com>
213 * dwfl_segment_report_module.c (dwfl_segment_report_module):
214 Extract ei_class, ei_data and e_type early and use the result.
216 2014-09-18 Jan Kratochvil <jan.kratochvil@redhat.com>
218 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Use IS_EXECUTABLE.
219 * dwfl_segment_report_module.c (dwfl_segment_report_module): Set
221 * libdwflP.h (struct Dwfl_Module): New field is_executable.
223 2014-08-28 Jan Kratochvil <jan.kratochvil@redhat.com>
225 * dwfl_module_getdwarf.c (find_offsets): Add parameter main_bias, use
227 (find_dynsym): Pass the new parameter main_bias.
229 2014-08-14 Mark Wielaard <mjw@redhat.com>
231 * linux-kernel-modules.c (check-suffix): Also TRY .ko.xz.
233 2014-07-24 Jan Kratochvil <jan.kratochvil@redhat.com>
235 Fix report_r_debug for prelinked libraries.
236 * link_map.c (report_r_debug): Comment out variable l_addr.
237 Use instead new variable base recalculated from l_ld.
239 2014-06-24 Kurt Roeckx <kurt@roeckx.be>
241 * linux-pid-attach.c: Make it build on non linux hosts.
243 2014-06-17 Mark Wielaard <mjw@redhat.com>
245 * frame_unwind.c (handle_cfi): Use ebl_func_addr_mask.
246 * dwfl_module_getsym.c (__libdwfl_getsym): Likewise.
248 2014-06-15 Mark Wielaard <mjw@redhat.com>
250 * linux-core-attach.c (core_memory_read): Use libdw/memory-access.h
251 macros read_4ubyte_unaligned_noncvt and read_8ubyte_unaligned_noncvt
252 to read possibly unaligned data.
253 (core_next_thread): Likewise.
254 (core_set_initial_registers): Likewise.
255 (dwfl_core_file_attach): Likewise.
257 2014-06-11 Mark Wielaard <mjw@redhat.com>
259 * dwfl_frame.c (__libdwfl_process_free): Reset dwfl->attacherr.
260 (dwfl_attach_state): Set dwfl->attacherr.
261 (dwfl_pid): Check and return dwfl->attacherr if set.
262 (dwfl_getthreads): Likewise.
263 (getthread): Likewise.
264 * libdwflP.h: Add DWFL_E_NO_CORE_FILE.
265 (struct Dwfl): Add attacherr field.
266 * linux-core-attach.c (dwfl_core_file_attach): Set dwfl->attacherr.
267 Don't assert if ELF file is not ET_CORE, just return error.
268 * linux-pid-attach.c (dwfl_linux_proc_attach): Set dwfl->attacherr.
270 2014-06-10 Mark Wielaard <mjw@redhat.com>
272 * argp-std.c (parse_opt): Ignore errors from dwfl_core_file_attach
273 or dwfl_linux_proc_attach.
275 2014-05-15 Mark Wielaard <mjw@redhat.com>
277 * linux-proc-maps.c (grovel_auxv): Close fd on error.
279 2014-05-02 Mark Wielaard <mjw@redhat.com>
281 * dwfl_module_getdwarf: Remove ENABLE_DWZ ifdefs so find_debug_altlink
284 2014-05-01 Mark Wielaard <mjw@redhat.com>
286 * libdwflP.h (struct Dwfl_Module): Add alt, alt_fd and alt_elf fields.
287 (__libdwfl_open_mod_by_build_id): Renamed __libdwfl_open_by_build_id.
288 (__libdwfl_open_by_build_id): New declaration that takes an explicit
290 * dwfl_build_id_find_debuginfo.c (dwfl_build_id_find_debuginfo): If
291 we already have the Dwarf then look for the alt dwz multi file by
293 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Add the
294 build-id we are looking for as argument.
295 (__libdwfl_open_mod_by_build_id): New function, calls
296 __libdwfl_open_by_build_id.
297 (dwfl_build_id_find_elf): Call __libdwfl_open_mod_by_build_id.
298 * dwfl_module.c (__libdwfl_module_free): Release alt, alt_elf and
299 close alt_fd if necessary.
300 * dwfl_module_getdwarf.c (__check_build_id): Removed.
301 (try_debugaltlink): Removed.
302 (open_debugaltlink): Removed.
303 (open_elf_file): First half of open_elf that just opens the elf
304 file but doesn't setup the load address.
305 (open_elf): Call open_elf_file.
306 (find_debug_altlink): New function.
307 (load_dw): Remove loading of dwz multifile.
308 (find_dw): Call find_debug_altlink.
309 * find-debuginfo.c (validate): Handle alt debug case using
310 dwelf_dwarf_gnu_debugaltlink and mod->alt_elf.
311 (find_debuginfo_in_path): Handle alt debug files possibly in .dwz
313 * linux-kernel-modules.c (try_kernel_name): Use fakemod.debug.name
314 to store name to find by dwfl_standard_find_debuginfo instead of
315 allocating an extra variable on stack.
317 2014-04-30 Mark Wielaard <mjw@redhat.com>
319 * dwfl_module_build_id.c (__libdwfl_find_elf_build_id): Moved to
320 dwelf_elf_gnu_build_id.c.
321 (__libdwfl_find_build_id): Add assert to make sure mod is never NULL.
322 * dwfl_segment_report_module.c (dwfl_segment_report_module): Call
323 dwelf_elf_gnu_build_id directly instead of __libdwfl_find_build_id.
324 * dwfl_module_getdwarf.c (__check_build_id): Implement using
325 dwelf_elf_gnu_build_id.
327 2014-04-15 Florian Weimer <fweimer@redhat.com>
329 * dwfl_module_getdwarf.c (__check_build_id): Moved from libdw.
330 (try_debugaltlink): Likewise.
331 (open_debugaltlink): Likewise.
332 (load_dw): Locate alternate debug information using
333 dwelf_dwarf_gnu_debugaltlink and call open_debugaltlink.
335 2014-04-11 Mark Wielaard <mjw@redhat.com>
337 * Makefile.am (AM_CPPFLAGS): Add libdwelf.
338 * libdwflP.h: Include libdwelfP.h.
339 * dwfl_module_getdwarf.c (find_debuglink): Moved to libdwelf.
340 (find_debuginfo): Use dwelf_elf_gnu_debuglink.
342 2014-04-22 Mark Wielaard <mjw@redhat.com>
344 * frame_unwind.c (__libdwfl_frame_reg_get): Use uint64_t when
346 (__libdwfl_frame_reg_set): Likewise.
348 2014-04-22 Kurt Roeckx <kurt@roeckx.be>
350 * linux-pid-attach.c: Make linux only.
352 2014-03-14 Mark Wielaard <mjw@redhat.com>
354 * Makefile.am: Remove !MUDFLAP and MUDFLAP conditions.
355 Remove libelf and libdw definitions when MUDFLAP is defined.
356 * argp-std.c (__libdwfl_argp_mudflap_options): Removed.
358 2014-03-03 Mark Wielaard <mjw@redhat.com>
360 * elf-from-memory.c (elf_from_remote_memory): Keep track of
361 segments_end_mem. Pass memsz to first handle_segment pass. Only
362 extend contents_size and use shdrs if only file bits are in
365 2014-03-11 Josh Stone <jistone@redhat.com>
367 * dwfl_module_getdwarf.c (open_elf): Only explicitly set
368 mod->e_type when processing the main ELF file.
370 2014-03-04 Mark Wielaard <mjw@redhat.com>
372 * libdwflP.h (struct __libdwfl_pid_arg): Moved here and renamed from
373 linux-pid-attach.c (struct pid_arg).
374 (__libdwfl_get_pid_arg): New internal function declaration.
375 (__libdwfl_ptrace_attach): Likewise.
376 (__libdwfl_ptrace_detach): Likewise.
377 * dwfl_frame.c (dwfl_attach_state): Add "(deleted)" files to the
378 special exception modules that cannot be checked at this point.
379 * linux-pid-attach.c (struct pid_arg): Moved to libdwflP.h
380 (ptrace_attach): Renamed to...
381 (__libdwfl_ptrace_attach): New internal function.
382 (__libdwfl_ptrace_detach): Likewise. Extracted from ...
383 (pid_thread_detach): Call __libdwfl_ptrace_detach now.
384 (__libdwfl_get_pid_arg): New internal function.
385 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Check if special
386 module name contains "(deleted)" and dwfl_pid gives an attached
387 pid. If pid is set and try to (re)use ptrace attach state of
388 process before reading memory.
390 2014-03-03 Mark Wielaard <mjw@redhat.com>
392 * elf-from-memory.c (elf_from_remote_memory): Take pagesize as
393 argument. Free buffer when detecting bad elf. Check PT_LOAD
394 alignment requirements on first handle_segment pass. Calculate
395 loadbase, start and end of segment using pagesize, not p_align.
396 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Provide pagesize
397 to elf_from_remote_memory.
399 2014-02-26 Mark Wielaard <mjw@redhat.com>
401 * linux-proc-maps.c (proc_maps_report): Don't assert on bad input.
403 2014-02-26 Mark Wielaard <mjw@redhat.com>
405 * elf-from-memory.c (elf_from_remote_memory): Check against p64
406 p_type in case ELFCLASS64, not against p32 p_type.
408 2014-01-17 Petr Machata <pmachata@redhat.com>
410 * relocate.c (relocate_section): Use gelf_fsize instead of relying
413 2014-01-05 Mark Wielaard <mjw@redhat.com>
415 * frame_unwind.c (handle_cfi): Only skip resetting return register
416 if the regno is not the actual CIE return address register.
418 2014-01-02 Mark Wielaard <mjw@redhat.com>
420 * linux-pid-attach.c (dwfl_linux_proc_attach): Use strtol, not atoi.
422 2013-12-30 Mark Wielaard <mjw@redhat.com>
424 * argp-std.c (parse_opt): Call dwfl_linux_proc_attach and
425 dwfl_core_file_attach explicitly.
426 * core-file.c (dwfl_core_file_report): Don't call
427 __libdwfl_attach_state_for_core implicitly.
428 * dwfl_begin.c (dwfl_begin): Remove setting of process_attach_error.
429 * dwfl_frame.c (dwfl_pid): Set errno to DWFL_E_NO_ATTACH_STATE, not
430 process_attach_error.
431 (dwfl_getthreads): Likewise.
432 (getthread): Likewise.
433 * libdwfl.h (dwfl_core_file_report): Update documentation.
434 (dwfl_linux_proc_report): Likewise.
435 (dwfl_core_file_attach): New function declaration.
436 (dwfl_linux_proc_attach): Likewise.
437 * libdwflP.h (struct Dwfl): Remove process_attach_error.
438 (__libdwfl_attach_state_for_pid): Removed declaration.
439 (__libdwfl_attach_state_for_core): Likewise.
440 (dwfl_core_file_attach): New internal declaration.
441 (dwfl_linux_proc_attach): Likewise.
442 (attach_state_for_core): Renamed to...
443 (dwfl_core_file_attach): ...this. Change return type.
444 (__libdwfl_attach_state_for_core): Removed.
445 * linux-pid-attach.c (struct pid_arg): Add assume_ptrace_stopped.
446 (pid_set_initial_registers): Check assume_ptrace_stopped before
448 (pid_thread_detach): Likewise.
449 (__libdwfl_attach_state_for_pid): Renamed to...
450 (dwfl_linux_proc_attach): ...this. Adjust return type.
451 * linux-proc-maps.c (dwfl_linux_proc_report): Don't call
452 __libdwfl_attach_state_for_pid implicitly.
454 2013-12-28 Mark Wielaard <mjw@redhat.com>
456 * linux-proc-maps.c (dwfl_linux_proc_find_elf): Don't return special
457 character device files, only regular files.
459 2013-12-24 Mark Wielaard <mjw@redhat.com>
461 * linux-core-attach.c (core_next_thread): Check whether thread_argp
462 is NULL. Reset core_arg->thread_note_offset and malloc a thread_arg
463 in that case. Free thread_arg if there are no more threads.
465 2013-12-23 Mark Wielaard <mjw@redhat.com>
467 * dwfl_segment_report_module.c (dwfl_segment_report_module): Free
468 build_id before returning early.
470 2013-12-23 Mark Wielaard <mjw@redhat.com>
472 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Report actual
473 pid (thread group leader) to dwfl_attach_state.
475 2013-12-21 Mark Wielaard <mjw@redhat.com>
477 * frame_unwind.c (handle_cfi): Track whether the return register
478 has been set and only allow it to be set once.
480 2013-12-20 Mark Wielaard <mjw@redhat.com>
482 * dwfl_frame.c (one_arg): New struct.
483 (get_one_thread_cb): New function.
484 (dwfl_getthread): Likewise.
485 (one_thread): New struct.
486 (get_one_thread_frames_cb): New function.
487 (dwfl_getthread_frames): Likewise.
488 * libdwfl.h (Dwfl_Thread_Callbacks): Add get_thread function.
489 (dwfl_getthread_frames): Likewise.
490 * libdwflP.h (dwfl_getthread_frames): New internal function declaration.
491 * linux-core-attach.c (core_thread_callbacks): Initialize get_thread
493 * linux-pid-attach.c (pid_getthread): New function.
494 (pid_thread_callbacks): Initialize get_thread to pid_getthread.
496 2013-12-20 Mark Wielaard <mjw@redhat.com>
498 * linux-kernel-modules.c (report_kernel_archive): Correct nested
499 asprintf result check for debug.a.
501 2013-12-18 Mark Wielaard <mjw@redhat.com>
503 * derelocate.c (__libdwfl_find_section_ndx): New internal function.
504 * dwfl_module_addrname.c (dwfl_module_addrname): Use
505 dwfl_module_addrinfo.
506 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Replace with...
507 (__libdwfl_addrsym): ...this. Use __libdwfl_getsym, use value
508 for comparisons, not st_value. Fill in off. Search for both value
509 and the (adjusted) sym.st_value when different.
510 (dwfl_module_addrsym): Implement using __libdwfl_addrsym.
511 (dwfl_module_addrinfo): New function.
512 * dwfl_module_getsym.c (dwfl_module_getsym_elf): Replace with...
513 (__libdwfl_getsym): ...this. Use ebl_resolve_sym_value if requested
514 and possible. Adjust sym->st_value only when requested. Fill in addr
516 (dwfl_module_getsym_info): New function.
517 (dwfl_module_getsym): Use __libdwfl_getsym.
518 * libdwfl.h (dwfl_module_getsym_elf): Removed.
519 (dwfl_module_getsym_info): New function declaration.
520 (dwfl_module_addrinfo): Likewise.
521 (dwfl_module_addrsym): Add documentation describing differences
522 with addrinfo variants.
523 (dwfl_module_addrsym_elf): Removed.
524 * libdwflP.h (__libdwfl_getsym): New internal function declaration.
525 (__libdwfl_addrsym): Likewise.
526 (__libdwfl_find_section_ndx): Likewise.
527 (dwfl_module_addrinfo): New internal declaration.
528 (dwfl_module_getsym_info): Likewise.
529 (dwfl_module_addrsym_elf): Removed.
530 (dwfl_module_getsym_elf): Likewise.
532 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
534 * argp-std.c (offline_find_elf): Remove.
535 (offline_callbacks): Use dwfl_build_id_find_elf instead.
536 * dwfl_build_id_find_elf.c (dwfl_build_id_find_elf): Move here the code
539 2013-12-18 Jan Kratochvil <jan.kratochvil@redhat.com>
541 unwinder: s390 and s390x
542 * dwfl_frame_pc.c (dwfl_frame_pc): Call ebl_normalize_pc.
543 * frame_unwind.c (new_unwound): New function from ...
544 (handle_cfi): ... here. Call it.
545 (setfunc, getfunc, readfunc): New functions.
546 (__libdwfl_frame_unwind): Call ebl_unwind with those functions.
547 * linux-core-attach.c (core_set_initial_registers): Always iterate
548 through the Ebl_Register_Location loop. Call
549 dwfl_thread_state_register_pc there.
551 2013-12-17 Jan Kratochvil <jan.kratochvil@redhat.com>
553 * frame_unwind.c (handle_cfi): Call ebl_dwarf_to_regno for RA.
555 2013-12-17 Mark Wielaard <mjw@redhat.com>
557 * linux-pid-attach.c (pid_next_thread): Call rewinddir on first
560 2013-12-16 Mark Wielaard <mjw@redhat.com>
562 * libdwfl.h (dwfl_module_getsymtab_first_global): New function
564 * dwfl_module_getdwarf.c (dwfl_module_getsymtab_first_global): New
566 * libdwflP.h (dwfl_module_getsymtab_first_global): New internal
568 * dwfl_module_addrsym.c (dwfl_module_addrsym_elf): Use new function.
570 2013-12-14 Mark Wielaard <mjw@redhat.com>
572 * dwfl_module.c (__libdwfl_module_free): Free mod->reloc_info if
573 allocated. Call dwarf_cfi_end on mod->eh_cfi if necessary.
574 * frame_unwind.c (handle_cfi): Free frame result from
575 dwarf_cfi_addrframe when done.
577 2013-12-15 Jan Kratochvil <jan.kratochvil@redhat.com>
579 unwinder: ppc and ppc64
580 * frame_unwind.c (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set):
581 Call ebl_dwarf_to_regno.
582 * linux-core-attach.c (core_set_initial_registers): Implement
584 * linux-pid-attach.c (pid_thread_state_registers_cb): Implement
587 2013-11-30 Jan Kratochvil <jan.kratochvil@redhat.com>
589 Introduce process_attach_error.
590 * dwfl_begin.c (dwfl_begin): Initialize process_attach_error.
591 * dwfl_frame.c (dwfl_pid, dwfl_getthreads): Use PROCESS_ATTACH_ERROR if
593 * libdwflP.h (struct Dwfl): New field process_attach_error.
594 * linux-core-attach.c (__libdwfl_attach_state_for_core): Rename to ...
595 (attach_state_for_core): ... here, make it static, change return type,
596 no longer use __libdwfl_seterrno.
597 (__libdwfl_attach_state_for_core): New wrapper for it.
599 2013-11-27 Mark Wielaard <mjw@redhat.com>
601 * dwfl_module_addrsym.c (dwfl_module_addrsym): Rename to and call...
602 (dwfl_module_addrsym_elf): this. Add elfp and biasp arguments,
603 keep track of symelf, addr_symelf, closest_elf and sizeless_elf
604 instead of tracking dwfl_files.
605 * dwfl_module_getsym.c (__libdwfl_module_getsym): Renamed to...
606 (dwfl_module_getsym_elf): ...this. Remove dwfl_file argument, add
607 new elfp and biasp arguments. Track elf instead of file.
608 (dwfl_module_getsym): Call dwfl_module_getsym_elf.
609 dwfl_module_info.c (dwfl_module_info): Pass elf to
610 dwfl_adjusted_st_value.
611 * libdwfl.h (dwfl_module_getsym): Document limitations of shndx.
612 (dwfl_module_getsym_elf): New function declaration.
613 (dwfl_module_addrsym_elf): Likewise.
614 * libdwflP.h (dwfl_module_addrsym_elf): INTDECL.
615 (dwfl_module_getsym_elf): Likewise.
616 (dwfl_adjusted_st_value): Take and check elf not dwfl_file.
617 (dwfl_deadjust_st_value): Likewise.
618 (__libdwfl_module_getsym): Removed.
619 * relocate.c (resolve_symbol): Pass elf to dwfl_adjusted_st_value.
621 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
623 Fix non-build-id core files on build-id system.
624 * link_map.c (report_r_debug): Remove valid clearing if build-id cannot
627 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
629 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
630 variable close_elf. Call __libdwfl_find_elf_build_id and compare the
631 content, if possible.
633 2013-11-21 Jan Kratochvil <jan.kratochvil@redhat.com>
635 link_map: Use proper bias, not l_addr.
636 * core-file.c (dynamic_vaddr_get): Rename to ...
637 (__libdwfl_dynamic_vaddr_get): ... here, make it global,
639 (dwfl_core_file_report): Update name in the caller.
640 * libdwflP.h (__libdwfl_dynamic_vaddr_get): New declaration.
641 * link_map.c (report_r_debug): New variable elf_dynamic_vaddr. Call
642 __libdwfl_dynamic_vaddr_get for it. Remove L_ADDR FIXME comment.
643 Use ELF_DYNAMIC_VADDR instead of L_ADDR.
645 2013-11-19 Jan Kratochvil <jan.kratochvil@redhat.com>
647 Compatibility with older kernels such as RHEL-6.
648 * linux-pid-attach.c (struct pid_arg): New field tid_was_stopped.
649 (ptrace_attach): New parameter tid_was_stoppedp. Set it.
650 (pid_set_initial_registers): Pass tid_was_stopped.
651 (pid_thread_detach): Use tid_was_stopped.
653 2013-11-18 Josh Stone <jistone@redhat.com>
655 * dwfl_module_getdwarf.c (find_aux_address_sync): New function.
656 (find_aux_sym): Use it.
658 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
660 Code cleanup: Remove const in prototype
661 * dwfl_frame_regs.c (dwfl_thread_state_registers): Remove const from
663 * libdwfl.h (dwfl_thread_state_registers): Likewise.
664 * linux-pid-attach.c (pid_thread_state_registers_cb): Likewise.
666 2013-11-14 Jan Kratochvil <jan.kratochvil@redhat.com>
668 Fix dwfl_attach_state machine->elf.
669 * dwfl_frame.c (dwfl_attach_state): Change parameter machine to elf.
670 Call ebl_openbackend instead of ebl_openbackend_machine.
671 * libdwfl.h (dwfl_attach_state): Change parameter machine to elf.
672 Update the function description.
673 * linux-core-attach.c (__libdwfl_attach_state_for_core): Pass CORE to
675 * linux-pid-attach.c (__libdwfl_attach_state_for_pid): Pass NULL to
678 2013-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
680 Provide __libdwfl_module_getsym to get dwfl_file *.
681 * dwfl_module_addrsym.c (dwfl_module_addrsym) (i_to_symfile): Remove.
682 (dwfl_module_addrsym) (search_table): New variable file. Use
683 __libdwfl_module_getsym. Use file.
684 * dwfl_module_getsym.c (dwfl_module_getsym): Rename to ...
685 (__libdwfl_module_getsym): ... here. Add parameter filep. Set it.
686 (dwfl_module_getsym): New wrapper.
687 * libdwflP.h (__libdwfl_module_getsym): New declaration.
689 2013-11-13 Jan Kratochvil <jan.kratochvil@redhat.com>
691 Fix dwfl_module_addrsym for minidebuginfo.
692 * dwfl_module_addrsym.c (dwfl_module_addrsym): New variable
694 (dwfl_module_addrsym) (same_section): Use it.
695 (dwfl_module_addrsym) (i_to_symfile): New function.
696 (dwfl_module_addrsym) (search_table): Use it.
698 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
699 Mark Wielaard <mjw@redhat.com>
701 * Makefile.am (libdwfl_a_SOURCES): Add dwfl_frame.c, frame_unwind.c,
702 dwfl_frame_pc.c, linux-pid-attach.c, linux-core-attach.c and
704 * core-file.c (dwfl_core_file_report): Call
705 __libdwfl_attach_state_for_core.
706 * dwfl_end.c (dwfl_end): Call __libdwfl_process_free.
707 * dwfl_frame.c: New file.
708 * frame_unwind.c: New file.
709 * dwfl_frame_pc.c: New file.
710 * linux-pid-attach.c: New file.
711 * linux-core-attach.c: New file.
712 * dwfl_frame_regs.c: New file.
713 * libdwfl.h (Dwfl_Thread, Dwfl_Frame): New typedefs.
714 (dwfl_core_file_report, dwfl_linux_proc_report): Extend comments.
715 (Dwfl_Thread_Callbacks): New definition.
716 (struct ebl, dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl)
717 (dwfl_thread_tid, dwfl_frame_thread, dwfl_thread_state_registers)
718 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
719 (dwfl_frame_pc): New declarations.
720 * libdwflP.h (Dwfl_Process): New typedef.
721 (LIBEBL_BAD, CORE_MISSING, INVALID_REGISTER, PROCESS_MEMORY_READ)
722 (PROCESS_NO_ARCH, PARSE_PROC, INVALID_DWARF, UNSUPPORTED_DWARF)
723 (NEXT_THREAD_FAIL, ATTACH_STATE_CONFLICT, NO_ATTACH_STATE, NO_UNWIND)
724 (INVALID_ARGUMENT): New DWFL_ERROR entries.
725 (struct Dwfl): New entry process.
726 (struct Dwfl_Process, struct Dwfl_Thread, struct Dwfl_Frame)
727 (__libdwfl_frame_reg_get, __libdwfl_frame_reg_set)
728 (__libdwfl_process_free, __libdwfl_frame_unwind)
729 (__libdwfl_attach_state_for_pid, __libdwfl_attach_state_for_core)
730 (__libdwfl_segment_start, __libdwfl_segment_end): New declarations.
731 (dwfl_attach_state, dwfl_pid, dwfl_thread_dwfl, dwfl_thread_tid)
732 (dwfl_frame_thread, dwfl_thread_state_registers)
733 (dwfl_thread_state_register_pc, dwfl_getthreads, dwfl_thread_getframes)
734 (dwfl_frame_pc): New INTDECL entries.
735 * linux-proc-maps.c (dwfl_linux_proc_report): Call
736 __libdwfl_attach_state_for_pid.
737 * segment.c (segment_start): Rename to ...
738 (__libdwfl_segment_start): ... here and make it internal_function.
739 (segment_end): Rename to ...
740 (__libdwfl_segment_end): ... here and make it internal_function.
741 (reify_segments, dwfl_report_segment): Rename them at the callers.
743 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
745 * core-file.c (dwfl_core_file_report): Remove the use of MAX.
747 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
749 * core-file.c (dwfl_core_file_report): Replaced variable sniffed by
750 retval. Fix one forgotten LISTED increase.
752 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
754 Fix core files for re-prelink-ed files.
755 * core-file.c (dynamic_vaddr_get): New function.
756 (dwfl_core_file_report): New variable file_dynamic_vaddr. Call
757 dynamic_vaddr_get instead of using L_ADDR.
758 * libdwflP.h (struct r_debug_info_module): Remove field l_addr.
759 * link_map.c (report_r_debug): Do not initialize l_addr.
761 2013-11-07 Jan Kratochvil <jan.kratochvil@redhat.com>
764 * core-file.c (dwfl_core_file_report): Reindent block of code by
767 2013-10-30 Jan Kratochvil <jan.kratochvil@redhat.com>
769 * argp-std.c (parse_opt): Use executable parameter of
770 dwfl_core_file_report.
771 * core-file.c (dwfl_core_file_report): Add parameter executable. Set
772 it to DWFL. Add NEW_VERSION for it.
773 (_compat_without_executable_dwfl_core_file_report): New. Twice.
774 * libdwfl.h (dwfl_core_file_report): Add parameter executable, update
775 the function comment.
777 2013-10-15 Mark Wielaard <mjw@redhat.com>
779 * linux-proc-maps.c (proc_maps_report): Ignore non-absolute file
781 (dwfl_linux_proc_find_elf): Don't abort, just return failure.
783 2013-09-12 Mark Wielaard <mjw@redhat.com>
785 * cu.c (intern_cu): If dwarf_offdie fails free cu.
787 2013-09-12 Mark Wielaard <mjw@redhat.com>
789 * linux-proc-maps.c (proc_maps_report): Don't fclose FILE in
792 2013-09-12 Mark Wielaard <mjw@redhat.com>
794 * dwfl_module_getdwarf.c (find_symtab): Call elf_getdata with
795 aux_xndxscn, not xndxscn, for aux_symxndxdata.
797 2013-08-25 Mark Wielaard <mjw@redhat.com>
799 * linux-kernel-modules.c (report_kernel): Pass add_p_vaddr as true
802 2013-07-25 Jan Kratochvil <jan.kratochvil@redhat.com>
804 * dwfl_segment_report_module.c (dwfl_segment_report_module): Check for
805 conflicts all the modules, not just the first one. Compare L_LD if it
806 is equal, not if it is in a module address range.
808 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
810 * libdwflP.h (__libdwfl_elf_address_range): Add internal_function.
812 2013-07-23 Jan Kratochvil <jan.kratochvil@redhat.com>
814 * core-file.c (clear_r_debug_info): Close also ELF and FD.
815 (dwfl_core_file_report): Call __libdwfl_report_elf for
817 * dwfl_report_elf.c (__libdwfl_elf_address_range): New function from
819 (__libdwfl_report_elf): ... this function. Call it.
820 * dwfl_segment_report_module.c: Include unistd.h.
821 (dwfl_segment_report_module): Use basename for MODULE->NAME.
822 Clear MODULE if it has no build-id and we have segment with build-id.
823 Ignore this segment only if MODULE still contains valid ELF.
824 * libdwflP.h (__libdwfl_elf_address_range): New declaration.
825 (struct r_debug_info_module): New fields fd, elf, l_addr, start, end
826 and disk_file_has_build_id.
827 (dwfl_link_map_report): Extend the comment.
828 * link_map.c (report_r_debug): Extend the comment. Always fill in new
829 r_debug_info_module. Initialize also the new r_debug_info_module
830 fields. Remove one FIXME comment. Call __libdwfl_elf_address_range
831 instead of __libdwfl_report_elf when R_DEBUG_INFO is not NULL.
833 2013-07-19 Jan Kratochvil <jan.kratochvil@redhat.com>
835 * libdwflP.h (__libdwfl_find_elf_build_id): Add internal_function.
837 2013-07-02 Mark Wielaard <mjw@redhat.com>
839 * relocate.c (__libdwfl_relocate_value): Remove mod->e_type assert.
841 2013-06-05 Mark Wielaard <mjw@redhat.com>
843 * link_map.c (report_r_debug): Always call release_buffer after
844 memory_callback succeeded reading build_id.
846 2013-05-30 Jan Kratochvil <jan.kratochvil@redhat.com>
848 * argp-std.c (parse_opt) <ARGP_KEY_SUCCESS> <opt->core> <opt->e>: Set
849 executable_for_core before calling dwfl_core_file_report.
850 * core-file.c (clear_r_debug_info): New function.
851 (dwfl_core_file_report): Move raw segments reporting lower. New
852 variable r_debug_info, pass it to dwfl_segment_report_module. Call
853 clear_r_debug_info in the end. Return sum of LISTED and SNIFFED.
854 * dwfl_module_build_id.c (check_notes): Move into
855 __libdwfl_find_elf_build_id.
856 (__libdwfl_find_build_id): Rename to ...
857 (__libdwfl_find_elf_build_id): ... here. Add parameters build_id_bits,
858 build_id_elfaddr and build_id_len. Verify MOD vs. ELF.
859 (__libdwfl_find_elf_build_id) (check_notes): Remove parameters mod and
860 set, rename data_vaddr to data_elfaddr. Do not call found_build_id.
861 (__libdwfl_find_elf_build_id): Update the check_notes caller, do not
862 adjust its data_elfaddr parameter.
863 (__libdwfl_find_build_id): New wrapper of __libdwfl_find_elf_build_id.
864 * dwfl_segment_report_module.c (dwfl_segment_report_module): New
865 parameter r_debug_info. New variable name_is_final. Adjust addresses
866 according to R_DEBUG_INFO->MODULE. Check conflicts against DWFL.
867 Do not overwrite NAME by SONAME if NAME_IS_FINAL.
868 * libdwflP.h (__libdwfl_find_elf_build_id): New declaration.
869 (struct r_debug_info_module, struct r_debug_info): New definitions.
870 (dwfl_segment_report_module, dwfl_link_map_report): Add parameter
872 * link_map.c: Include fcntl.h.
873 (report_r_debug): Add parameter r_debug_info, describe it in the
874 function comment. Delete dwfl_addrmodule call and its dependent code.
875 Verify build-id before calling dwfl_report_elf, also supply
876 executable_for_core to it. Store r_debug_info->module info when
878 (dwfl_link_map_report): Add parameter r_debug_info. New variable
879 in_ok. Try to read IN from EXECUTABLE_FOR_CORE. Update report_r_debug
882 2013-04-30 Jan Kratochvil <jan.kratochvil@redhat.com>
884 * dwfl_report_elf.c (__libdwfl_report_elf): Add parameter add_p_vaddr.
885 Set it to true for ET_EXEC and ET_CORE. Provide alternative
886 setup of START and BIAS if !ADD_P_VADDR. Set END from BIAS, not BASE.
887 (dwfl_report_elf): Add parameter add_p_vaddr. Pass it down. Add
889 (_compat_without_add_p_vaddr_dwfl_report_elf) <SHARED>: New, with
891 * libdwfl.h (dwfl_report_elf): Add parameter add_p_vaddr. Describe it.
892 * libdwflP.h (__libdwfl_report_elf): Add parameter add_p_vaddr.
893 * link_map.c (report_r_debug): Use true add_p_vaddr for dwfl_report_elf.
894 * linux-kernel-modules.c (report_kernel): Use false add_p_vaddr for
896 * offline.c (process_elf): Use true add_p_vaddr for dwfl_report_elf.
898 2013-04-27 Mark Wielaard <mjw@redhat.com>
900 * link_map.c: #include system.h.
902 2013-04-26 Jan Kratochvil <jan.kratochvil@redhat.com>
904 * link_map.c (BE32, BE64, LE32, LE64): Delete the definitions, move
905 them to lib/system.h.
907 2013-04-24 Mark Wielaard <mjw@redhat.com>
909 * Makefile.am: Use AM_CPPFLAGS instead of INCLUDES.
911 2013-03-20 Jan Kratochvil <jan.kratochvil@redhat.com>
913 * dwfl_report_elf.c (__libdwfl_report_elf): Remove BASE aligning.
915 2013-03-12 Mark Wielaard <mjw@redhat.com>
917 * dwfl_getsrclines.c (dwfl_getsrclines): Return 0 on success.
919 2013-02-22 Mark Wielaard <mjw@redhat.com>
921 * open.c (__libdw_gunzip,__libdw_bunzip2,__libdw_unlzma): Define
922 as DWFL_E_BADELF when not used.
924 2013-02-10 Mark Wielaard <mjw@redhat.com>
926 * argp-std.c (parse_opt): Use opt->core and opt->e explicitly in
927 failure messages When handling ARGP_KEY_SUCCESS because arg will
930 2013-01-30 Jan Kratochvil <jan.kratochvil@redhat.com>
932 * linux-proc-maps.c: Include system.h.
933 (PROCEXEFMT, get_pid_class): New.
934 (grovel_auxv): Detect 32-bit vs. 64-bit auxv, possibly call
937 2013-01-23 Mark Wielaard <mjw@redhat.com>
939 * dwfl_module_getdwarf.c (find_aux_sym): Don't substract one
940 from aux_syments by default.
941 (find_symtab): Also succeed when only aux_symdata is found.
942 When no symtab is found always try to load auxiliary table.
943 (dwfl_module_getsymtab): Substract one from result when both
945 * dwfl_module_getsym.c (dwfl_module_getsym): Only skip auxiliary
946 zero entry when both tables have symbols.
947 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only substract
948 one from first_global when both tables have symbols.
950 2013-01-16 Mark Wielaard <mjw@redhat.com>
952 * libdwflP.h (struct Dwfl_Module): Add aux_sym, aux_symdata,
953 aux_syments, aux_symstrdata, aux_symxndxdata and aux_first_global.
954 (dwfl_adjusted_aux_sym_addr): New function.
955 (dwfl_deadjust_aux_sym_addr): Likewise.
956 (dwfl_adjusted_st_value): Take and check symfile argument.
957 (dwfl_deadjust_st_value): Likewise.
958 * dwfl_module_getdwarf.c (find_prelink_address_sync): Take and
959 use dwfl_file as argument to set address_sync.
960 (find_debuginfo): Call find_prelink_address_sync with debug file.
961 (find_aux_sym): New function.
962 (find_symtab): Use find_aux_sym if all we have is the dynsym table
963 and fill in aux DwflModule fields.
964 (dwfl_module_getsymtab): Return syments plus aux_syments.
965 (load_symtab): Always set first_global.
966 * dwfl_module_addrsym.c (dwfl_module_addrsym): Check symfile
967 when using same_section. Calculate first_global based on both
968 mod->first_global and mod->aux_first_global.
969 * dwfl_module.c (__libdwfl_module_free): Free aux_sym.
970 * dwfl_module_getsym.c (dwfl_module_getsym): Use auxsym table
971 to retrieve symbol and name if necessary, making sure all locals
972 from any table come before any globals.
973 * dwfl_module_info.c (dwfl_module_info): Call dwfl_adjusted_st_value
975 * relocate.c (resolve_symbol): Likewise.
977 2013-01-07 Roland McGrath <roland@hack.frob.com>
979 * link_map.c (auxv_format_probe): Handle unaligned 64-bit data, but
980 still assume the data is at least 32-bit aligned anyway.
981 (dwfl_link_map_report): Handle unaligned auxv data.
983 2012-12-11 Mark Wielaard <mjw@redhat.com>
985 * linux-kernel-modules.c (report_kernel): Only free fname if
986 find_kernel_elf succeeds and allocates it.
987 (report_kernel_archive): Fix brackets around unlikely expression.
989 2012-11-29 Jan Kratochvil <jan.kratochvil@redhat.com>
991 * argp-std.c: Update Copyright year.
992 (offline_find_elf): New function.
993 (offline_callbacks): Use it for find_elf.
994 (struct parse_opt): New.
995 (parse_opt): New key ARGP_KEY_INIT. In other make hook struct
996 parse_opt pointer from former Dwfl pointer. Delay 'e and OPT_COREFILE
997 processing till ARGP_KEY_SUCCESS. Initialize state->input already from
998 ARGP_KEY_SUCCESS. Modify the cleanup in ARGP_KEY_ERROR. Make the
999 final state->input initialization optional.
1000 * dwfl_end.c: Update Copyright year.
1001 (dwfl_end): Free executable_for_core.
1002 * libdwflP.h: Update Copyright year.
1003 (struct Dwfl): New field executable_for_core.
1005 2012-11-20 Jan Kratochvil <jan.kratochvil@redhat.com>
1007 * dwfl_report_elf.c (__libdwfl_report_elf): Simplify START and BIAS
1010 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1012 * dwfl_module_getdwarf.c (mod_verify_build_id): New function with code
1014 (__libdwfl_getelf): ... here. Call it.
1016 2012-10-17 Jan Kratochvil <jan.kratochvil@redhat.com>
1018 * libdwfl.h (dwfl_module_getelf): Add __nonnull_attribute__.
1020 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1022 * dwfl_segment_report_module.c (dwfl_segment_report_module):
1023 Initialize mod->MAIN_BIAS.
1025 2012-10-10 Jan Kratochvil <jan.kratochvil@redhat.com>
1027 * dwfl_module_addrsym.c (dwfl_module_addrsym): New function
1028 binding_value. Use it for both zero and non-zero size symbols
1031 2012-10-01 Mark Wielaard <mjw@redhat.com>
1033 * cu.c (cudie_offset): Don't use type_sig8, it might not be
1034 initialized and these are always real CUs, never TUs.
1036 2012-10-01 Mark Wielaard <mjw@redhat.com>
1038 * derelocate.c (find_section): Check next section exists before
1041 2012-08-01 Petr Machata <pmachata@redhat.com>
1043 * offline.c (process_archive_member): Ignore entry "/SYM64/".
1045 2012-03-28 Roland McGrath <roland@hack.frob.com>
1047 * dwfl_segment_report_module.c
1048 (dwfl_segment_report_module: read_portion): Don't use existing buffer
1049 when FILESZ is zero (string mode) and available portion doesn't hold
1050 a terminated string.
1052 2011-12-02 Roland McGrath <roland@hack.frob.com>
1054 * elf-from-memory.c (elf_from_remote_memory): Fix ELFCLASS64 case
1055 to use elf64_xlatetom and PHDRS.p64.
1056 Reported by Serge Pavlov <serge.pavlov.at.gnu@gmail.com>.
1058 2011-11-31 Mark Wielaard <mjw@redhat.com>
1060 * dwfl_module_addrsym.c (dwfl_module_addrsym): First search all
1061 global symbols. Then only when that doesn't provide a match search
1062 all local symbols too.
1063 * dwfl_module_getdwarf.c (load_symtab): Take first_global int arg
1065 (find_symtab): Initialize mod->first_global and pass it to load_symtab.
1066 * libdwfl/libdwflP.h (Dwfl_Module): Add first_global field.
1068 2011-11-31 Mark Wielaard <mjw@redhat.com>
1070 * dwfl_module_addrsym.c (dwfl_module_addrsym): Only update
1071 sizeless_sym if needed and closer to desired addr.
1073 2011-10-20 Mark Wielaard <mjw@redhat.com>
1075 * derelocate.c (cache_sections): Intern mod->reloc_info check.
1076 (dwfl_module_relocations): Don't check mod->reloc_info.
1077 (dwfl_module_relocation_info): Likewise.
1078 (find_section): Likewise.
1080 2011-07-09 Roland McGrath <roland@hack.frob.com>
1082 * image-header.c (LE32): Macro removed (now in lib/system.h).
1084 2011-04-11 Mark Wielaard <mjw@redhat.com>
1086 * linux-kernel-modules.c (vmlinux_suffixes): Guard definition
1087 by check for zlib, bzlib or lzma defines to check it isn't empty.
1088 (try_kernel_name): Use same guard for use of vmlinux_suffixes.
1090 2011-03-08 Roland McGrath <roland@redhat.com>
1092 * dwfl_module_getdwarf.c (open_elf): Clear errno before CBFAIL.
1093 Reported by Kurt Roeckx <kurt@roeckx.be>.
1095 2011-02-11 Roland McGrath <roland@redhat.com>
1097 * linux-kernel-modules.c (try_kernel_name): Try .gz, .bz2, .xz
1098 suffixes if corresponding decompression support is enabled.
1100 2011-02-01 Roland McGrath <roland@redhat.com>
1102 * dwfl_module_getdwarf.c (find_prelink_address_sync): Use the
1103 section-end address as the synchronization point, rather than sh_addr.
1105 * dwfl_module_getdwarf.c (find_prelink_address_sync): Discover
1106 PT_INTERP p_vaddr separately from main phdrs and undo phdrs.
1108 * dwfl_module_getdwarf.c (find_prelink_address_sync): Fix pasto in
1109 last change, so we recognize PT_INTERP in ELFCLASS64 correctly.
1111 2011-01-11 Roland McGrath <roland@redhat.com>
1113 * dwfl_module_getdwarf.c (open_elf): Remove section-based
1114 address_sync fixup from here.
1115 (find_prelink_address_sync): New function.
1116 (find_debuginfo): Call it.
1117 * libdwflP.h (DWFL_ERRORS): Add BAD_PRELINK error.
1119 2011-01-04 Roland McGrath <roland@redhat.com>
1121 * dwfl_module_getdwarf.c (open_elf): Enhance address_sync calculation
1122 logic to consider section addresses, the better to survive all the
1123 possible prelink machinations.
1124 * libdwflP.h (struct dwfl_file): Comment change.
1126 2010-11-30 Roland McGrath <roland@redhat.com>
1128 * derelocate.c (dwfl_module_relocations): Remove over-eager assert.
1130 2010-11-12 Roland McGrath <roland@redhat.com>
1132 * libdwflP.h (struct Dwfl_Module): New member main_bias.
1133 (dwfl_adjusted_address, dwfl_deadjust_address): Use it.
1134 * dwfl_module_getdwarf.c (__libdwfl_getelf): Initialize it.
1136 * libdwflP.h (dwfl_deadjust_address): New function.
1137 (dwfl_deadjust_dwarf_addr, dwfl_deadjust_st_value): New functions.
1138 * cu.c (addrarange): Use dwfl_deadjust_dwarf_addr.
1139 * dwfl_module_addrsym.c: Use dwfl_deadjust_st_value.
1141 2010-11-11 Roland McGrath <roland@redhat.com>
1143 * libdwflP.h (struct dwfl_file): Remove bias member.
1144 Add vaddr and address_sync members instead.
1145 (dwfl_adjusted_address): Calculate using vaddr.
1146 (dwfl_adjusted_dwarf_addr): Calculate using address_sync and call that.
1147 (dwfl_adjusted_st_value): Use one of those calls.
1148 * dwfl_module_getdwarf.c (open_elf): Initialize vaddr and address_sync.
1149 * dwfl_segment_report_module.c (dwfl_segment_report_module): Likewise.
1150 * derelocate.c (dwfl_module_relocations): Update ET_EXEC assertions.
1151 * link_map.c (consider_executable): Adjust only MOD->low_addr for
1152 detected PIE bias change.
1154 * libdwflP.h (dwfl_adjusted_dwarf_addr): New function.
1155 * dwfl_module_info.c: Use it.
1156 * cu.c (addrarange): Likewise.
1157 * dwfl_dwarf_line.c: Likewise.
1158 * dwfl_module_dwarf_cfi.c: Likewise.
1159 * dwfl_lineinfo.c: Likewise.
1160 * dwfl_nextcu.c: Likewise.
1161 * dwfl_module_getdwarf.c (dwfl_module_getdwarf): Likewise.
1163 * libdwflP.h (dwfl_adjusted_st_value): New function.
1164 * relocate.c (resolve_symbol): Use it.
1165 * dwfl_module_getsym.c: Likewise.
1166 * dwfl_module_addrsym.c: Likewise.
1167 * dwfl_module_info.c: Likewise.
1169 * libdwflP.h (dwfl_adjusted_address): New function.
1170 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use it.
1171 * relocate.c (__libdwfl_relocate_value): Likewise.
1172 * derelocate.c (cache_sections): Likewise.
1173 (dwfl_module_address_section): Likewise.
1174 * dwfl_module_getelf.c: Likewise.
1175 * dwfl_module_eh_cfi.c: Likewise.
1176 * link_map.c (consider_executable): Likewise.
1178 2010-08-24 Roland McGrath <roland@redhat.com>
1180 * dwfl_dwarf_line.c: New file.
1181 * Makefile.am (libdwfl_a_SOURCES): Add it.
1183 2010-08-18 Roland McGrath <roland@redhat.com>
1185 * link_map.c (report_r_debug): Use found name if we have no name,
1186 even if we already have an Elf handle.
1188 2010-06-30 Roland McGrath <roland@redhat.com>
1190 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't be
1191 confused by -1 return from dwfl_build_id_find_elf after it opened
1193 * find-debuginfo.c (dwfl_standard_find_debuginfo): Likewise for
1194 dwfl_build_id_find_debuginfo.
1196 2010-06-16 Roland McGrath <roland@redhat.com>
1198 * cu.c (cudie_offset): Use DIE_OFFSET_FROM_CU_OFFSET macro.
1200 2010-06-14 Roland McGrath <roland@redhat.com>
1202 * find-debuginfo.c (try_open): Take new arg MAIN_STAT. Compare
1203 candidate file to that st_dev/st_ino and pretend it didn't exist
1205 (find_debuginfo_in_path): Update caller, pass main file's info.
1207 2010-05-20 Roland McGrath <roland@redhat.com>
1209 * linux-proc-maps.c (find_sysinfo_ehdr): Renamed to ...
1210 (grovel_auxv): ... this. Take DWFL argument.
1211 (dwfl_linux_proc_report): Update caller.
1213 * dwfl_module_getdwarf.c (open_elf): Calculate alignment for bias
1214 based on dwfl->segment_align or manifest alignment of MOD->low_addr.
1216 2010-05-19 Roland McGrath <roland@redhat.com>
1218 * linux-kernel-modules.c (intuit_kernel_bounds): Rewritten.
1220 2010-05-06 Roland McGrath <roland@redhat.com>
1222 * segment.c (insert): Clear inserted elements of DWFL->lookup_module.
1224 * libdwflP.h (DWFL_ERRORS): Add WRONG_ID_ELF.
1225 * dwfl_build_id_find_elf.c: Set MOD->main.valid when there is a build
1226 ID but we didn't find a file.
1227 * dwfl_module_getdwarf.c (__libdwfl_getelf): When that's set, check
1228 and refuse any fallback file-by-name if it lacks the matching ID.
1230 * dwfl_error.c (dwfl_errno): Add INTDEF.
1231 * libdwflP.h: Add INTDECL.
1233 * dwfl_module_getdwarf.c (open_elf): Do elf_end and clear FILE->elf in
1236 2010-05-04 Roland McGrath <roland@redhat.com>
1238 * dwfl_segment_report_module.c: Use "[pie]" rather than "[dso]" for an
1239 ET_DYN that has a DT_DEBUG.
1241 * dwfl_segment_report_module.c: Fix jump-start of NDX-finding loop.
1243 * segment.c (insert): Fix moving of values following insertion.
1244 (reify_segments): Fix up MOD->segment backpointer indices after
1245 later insertions in the main loop invalidate them.
1247 * link_map.c (dwfl_link_map_report): Detect bias of embedded phdrs and
1248 apply it to PT_DYNAMIC p_vaddr so we handle a PIE correctly.
1250 * core-file.c (dwfl_core_file_report): Return any nonzero count of
1251 modules reported, even if link_map grovelling failed and only sniffing
1254 2010-04-26 Roland McGrath <roland@redhat.com>
1256 * relocate.c (relocate_section): Treat R_*_NONE reloc as no reloc.
1257 Works around probably-wrong ld -r behavior for case of a DWARF address
1258 constant that refers to a discarded SHF_ALLOC section.
1260 2010-04-14 Roland McGrath <roland@redhat.com>
1262 * link_map.c (report_r_debug): Limit iterations on the l_next chain to
1263 an upper bound on sane possible number of elements.
1265 2010-03-11 Roland McGrath <roland@redhat.com>
1267 * link_map.c (auxv_format_probe): Fix scanning loop, so we really scan
1268 the second half for 32-bit matches.
1270 2010-03-10 Roland McGrath <roland@redhat.com>
1272 * core-file.c (dwfl_core_file_report): Punt EHDR argument.
1273 * argp-std.c (parse_opt): Update caller.
1274 * libdwfl.h: Declare dwfl_core_file_report.
1275 * libdwflP.h: Don't.
1277 2010-02-17 Roland McGrath <roland@redhat.com>
1279 * dwfl_segment_report_module.c (addr_segndx): Take new flag argument.
1280 If set, find the first index not below ADDR.
1281 (dwfl_segment_report_module): Update callers.
1282 Pass true when calculating return value.
1284 2010-02-15 Roland McGrath <roland@redhat.com>
1286 * Makefile.am: Use config/eu.am for common stuff.
1288 * find-debuginfo.c (find_debuginfo_in_path): Fix uninitialized
1289 variable in failure path.
1291 2010-02-02 Mark Wielaard <mjw@redhat.com>
1293 * dwfl_module_dwarf_cfi.c (dwfl_module_dwarf_cfi): Always set bias.
1294 * dwfl_module_eh_cfi.c (dwfl_module_eh_cfi): Likewise
1296 2010-01-07 Roland McGrath <roland@redhat.com>
1298 * core-file.c (dwfl_core_file_report): Use elf_getphdrnum.
1299 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1300 * dwfl_module_getdwarf.c (open_elf, find_dynsym): Likewise.
1301 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1303 2010-01-06 Roland McGrath <roland@redhat.com>
1305 * relocate.c (relocate_getsym): For SHN_COMMON, zero st_value.
1306 (relocate_section): Let unresolved SHN_COMMON symbol stay 0.
1308 2009-11-16 Roland McGrath <roland@redhat.com>
1310 * relocate.c (relocate_section): Skip SHT_NOBITS or empty target scn.
1312 2009-11-12 Petr Machata <pmachata@redhat.com>
1314 * core-file.c (dwfl_elf_phdr_memory_callback): Only load ahead if
1315 the chunk is both offset-contiguous and vaddr-contiguous.
1317 2009-11-05 Roland McGrath <roland@redhat.com>
1319 * link_map.c (report_r_debug): Skip entries with l_ld==0.
1320 Use dwfl_addrmodule for l_ld lookup, don't bail on lookup failure.
1322 2009-09-04 Roland McGrath <roland@redhat.com>
1324 * image-header.c (__libdw_image_header): Fix tranposed comparison.
1326 2009-08-27 Roland McGrath <roland@redhat.com>
1328 * image-header.c: New file.
1329 * Makefile.am (libdwfl_a_SOURCES): Add it.
1330 * libdwflP.h: Declare __libdw_image_header.
1331 * open.c (decompress): Don't consume ELF on failure.
1332 (what_kind): New function, broken out of ...
1333 (__libdw_open_file): ... here. Call it.
1334 If it fails, try __libdw_image_header and then try what_kind again.
1336 * gzip.c (unzip): Reuse *WHOLE as first INPUT_BUFFER,
1337 leave it behind for next decompressor.
1338 * open.c (decompress): Free BUFFER on failure.
1340 2009-08-26 Roland McGrath <roland@redhat.com>
1342 * gzip.c (find_zImage_payload): New function, broken out of ...
1343 (mapped_zImage): ... here. Call it.
1344 (find_zImage_payload) [LZMA]: Match LZMA-compressed kernels with
1345 stupid method of just trying the decoder.
1347 * open.c [USE_LZMA]: Try __libdw_unlzma.
1348 * libdwflP.h: Declare it.
1349 (DWFL_ERRORS): Add DWFL_E_LZMA.
1350 * gzip.c [LZMA]: Implement liblzma version for XZ file format.
1352 * Makefile.am [LZMA] (libdwfl_a_SOURCES): Add it.
1354 * gzip.c (mapped_zImage): Limit scan to 32kb.
1355 Make this unconditional, support bzip2 kernel images too.
1356 (unzip): Use direct inflate method for non-mmap case too.
1357 Only zlib uses the stream method.
1359 2009-08-09 Roland McGrath <roland@redhat.com>
1361 * dwfl_module_build_id.c: Use new macros for versioned definitions.
1363 2009-07-08 Roland McGrath <roland@redhat.com>
1365 * dwfl_module_dwarf_cfi.c: New file.
1366 * dwfl_module_eh_cfi.c: New file.
1367 * Makefile.am (libdwfl_a_SOURCES): Add them.
1368 * libdwflP.h (struct Dwfl_Module): New members `dwarf_cfi', `eh_cfi.
1369 Add INTDECL for dwfl_module_eh_cfi, dwfl_module_dwarf_cfi.
1371 2009-07-08 Roland McGrath <roland@redhat.com>
1373 * libdwflP.h (struct Dwfl_Module): Reorder members to pack better.
1375 2009-06-18 Mark Wielaard <mjw@redhat.com>
1377 * dwfl_report_elf.c (__libdwfl_report_elf): Return NULL on overlap.
1379 2009-06-13 Ulrich Drepper <drepper@redhat.com>
1381 * derelocate.c: Don't use deprecated libelf functions.
1382 * dwfl_module_getdwarf.c: Likewise.
1383 * relocate.c: Likewise.
1385 2009-04-23 Ulrich Drepper <drepper@redhat.com>
1387 * dwfl_module_build_id.c: Define versioned symbols only if SHARED is
1388 defined. Otherwise just define the latest version.
1390 2009-04-22 Roland McGrath <roland@redhat.com>
1392 * relocate.c (resolve_symbol): Apply correct bias to st_value found in
1393 a non-ET_REL module.
1395 * dwfl_module_build_id.c (__libdwfl_find_build_id): Fix last change to
1396 adjust properly for non-ET_REL.
1398 2009-04-21 Roland McGrath <roland@redhat.com>
1400 * dwfl_module_getsym.c: Apply non-ET_REL bias only if SHF_ALLOC.
1402 * relocate.c (__libdwfl_relocate_value): Assert that MOD is ET_REL.
1403 * derelocate.c (cache_sections): Call __libdwfl_relocate_value only
1405 * dwfl_module_build_id.c (__libdwfl_find_build_id): Likewise.
1407 2009-04-20 Roland McGrath <roland@redhat.com>
1409 * dwfl_module_getdwarf.c (__libdwfl_getelf): Add internal_function.
1411 2009-04-19 Roland McGrath <roland@redhat.com>
1413 * dwfl_module_getdwarf.c (find_file): Renamed to ...
1414 (__libdwfl_getelf): ... this. Make it global.
1415 (find_symtab, find_dw): Update callers.
1416 (dwfl_module_getelf): Functions moved ...
1417 * dwfl_module_getelf.c: ... here, new file.
1418 * Makefile.am (libdwfl_a_SOURCES): Add it.
1419 * libdwflP.h: Declare __libdwfl_getelf.
1421 2009-04-14 Roland McGrath <roland@redhat.com>
1423 * dwfl_segment_report_module.c: Handle DT_STRTAB value being either
1424 absolute (already adjusted in place) or needing load bias adjustment.
1426 * core-file.c (dwfl_elf_phdr_memory_callback): Fix return value for
1427 gelf_getphdr failure. Fix file size limit checks.
1429 * dwfl_segment_report_module.c: Fix underflow in DYNSTRSZ check.
1431 2009-04-08 Roland McGrath <roland@redhat.com>
1433 * dwfl_module_getsym.c: Don't adjust for bias again after
1434 __libdwfl_relocate_value.
1436 * relocate.c (__libdwfl_relocate_value): Don't adjust a value from
1437 a non-SHF_ALLOC section.
1438 (relocate_getsym): Test st_shndx for SHN_* values, not *SHNDX.
1439 * dwfl_module_getsym.c (dwfl_module_getsym): Likewise.
1441 2009-03-09 Roland McGrath <roland@redhat.com>
1443 * dwfl_module_build_id.c (__libdwfl_find_build_id): Move SHSTRNDX
1444 variable to outer scope, so we cache it for the loop.
1446 * relocate.c (__libdwfl_relocate_value): Add MOD->main.bias to sh_addr.
1448 2009-02-12 Roland McGrath <roland@redhat.com>
1450 * dwfl_module_build_id.c (__libdwfl_find_build_id): Use
1451 __libdwfl_relocate_value to find correct sh_addr value.
1453 2009-02-10 Roland McGrath <roland@redhat.com>
1455 * dwfl_report_elf.c (__libdwfl_report_elf): Take new arg SANITY.
1456 If false, don't fail for NO_PHDR.
1457 (dwfl_report_elf): Update caller.
1458 * libdwflP.h: Update decl.
1459 * offline.c (process_elf): Call it with false, so we don't refuse
1460 dubiously-formed objects here.
1462 * link_map.c (consider_executable): Don't assert dwfl_addrsegment
1463 finds our module. We shouldn't crash when we confuse some guesses.
1465 2009-02-10 Ulrich Drepper <drepper@redhat.com>
1467 * open.c (decompress): Avoid crash with empty input file.
1469 2009-01-27 Roland McGrath <roland@redhat.com>
1471 * dwfl_report_elf.c (__libdwfl_report_elf): Ignore trailing PT_LOAD
1472 with zero vaddr and memsz.
1474 2009-01-22 Roland McGrath <roland@redhat.com>
1476 * open.c (decompress): Move BUFFER, SIZE decls outside #if.
1478 * dwfl_segment_report_module.c (addr_segndx): Remove bogus adjustments
1479 after address-matching loop.
1481 * segment.c (lookup): Fix fencepost in checking for HINT match.
1483 2009-01-14 Roland McGrath <roland@redhat.com>
1485 * gzip.c [!BZLIB] (mapped_zImage): New function.
1486 (unzip) [!BZLIB]: Grok Linux kernel zImage format.
1488 2009-01-10 Ulrich Drepper <drepper@redhat.com>
1490 * dwfl_error.c: Always use __thread. Remove all !USE_TLS code.
1492 2009-01-08 Roland McGrath <roland@redhat.com>
1494 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline):
1495 Skip subdirectory named "source".
1496 (dwfl_linux_kernel_find_elf): Likewise.
1498 2009-01-06 Roland McGrath <roland@redhat.com>
1500 * linux-kernel-modules.c (check_suffix): New function.
1501 Match ".ko", ".ko.gz", and ".ko.bz2" suffixes.
1502 (dwfl_linux_kernel_report_offline): Use it.
1503 (dwfl_linux_kernel_find_elf): Likewise.
1505 2009-01-05 Roland McGrath <roland@redhat.com>
1507 * argp-std.c (parse_opt): Use __libdw_open_file for core file.
1508 * dwfl_build_id_find_debuginfo.c: Use it to open the file.
1509 * dwfl_build_id_find_elf.c: Likewise.
1510 * dwfl_module_getdwarf.c (open_elf): Likewise.
1511 * dwfl_report_elf.c: Likewise.
1512 * find-debuginfo.c (validate): Likewise.
1513 * offline.c (__libdwfl_report_offline): Likewise.
1515 * libdwflP.h: Declare __libdw_open_file.
1517 * Makefile.am (libdwfl_a_SOURCES): Add it.
1520 * Makefile.am [ZLIB] (libdwfl_a_SOURCES): Add it.
1521 * bzip2.c: New file.
1522 * Makefile.am [BZLIB] (libdwfl_a_SOURCES): Add it.
1523 * libdwflP.h: Declare __libdw_gunzip, __libdw_bunzip2.
1525 2008-12-16 Roland McGrath <roland@redhat.com>
1527 * dwfl_module_build_id.c (dwfl_module_build_id): Define with alias and
1528 symver magic to bind to ELFUTILS_0.138.
1529 (_BUG_COMPAT_dwfl_module_build_id): New function, bug compatible
1530 wrapper for ELFUTILS_0.130 version set.
1532 2008-12-18 Roland McGrath <roland@redhat.com>
1534 * derelocate.c (dwfl_module_relocate_address): Fix last fix: ET_DYN
1535 addresses are taken as relative to MOD->low_addr.
1537 2008-12-15 Roland McGrath <roland@redhat.com>
1539 * derelocate.c (dwfl_module_relocate_address): Apply main.bias, not
1542 2008-12-11 Roland McGrath <roland@redhat.com>
1544 * offline.c (process_archive): Don't call elf_end and close if
1545 returning NULL. Check first elf_begin call and set error code
1546 specially for empty archive.
1549 2008-12-02 Roland McGrath <roland@redhat.com>
1551 * dwfl_getmodules.c (dwfl_getmodules): Typo fix in last change.
1553 2008-11-26 Roland McGrath <roland@redhat.com>
1555 * dwfl_getmodules.c (dwfl_getmodules): Encode iteration style in
1556 return value, and interpret encoded OFFSET argument.
1558 2008-10-07 Roland McGrath <roland@redhat.com>
1560 * dwfl_module_build_id.c (check_notes): Fix typo in vaddr calculation.
1562 2008-09-29 Roland McGrath <roland@redhat.com>
1564 * segment.c (insert): Must realloc DWFL->lookup_module here too.
1565 (dwfl_report_segment): Clear DWFL->lookup_module before insert calls.
1567 2008-08-28 Roland McGrath <roland@redhat.com>
1569 * segment.c (reify_segments): Fix last change.
1571 2008-08-27 Roland McGrath <roland@redhat.com>
1573 * linux-proc-maps.c (read_proc_memory): Return 0 for EINVAL or EPERM
1574 failure from pread64.
1576 2008-08-26 Roland McGrath <roland@redhat.com>
1578 * segment.c (reify_segments): Insert a trailing segment for a module
1579 end that is above the highest current segment.
1581 2008-08-25 Roland McGrath <roland@redhat.com>
1583 * dwfl_module_getdwarf.c (open_elf): Extract elf_errno () for
1584 coded return value, not plain DWFL_E_LIBELF. Return DWFL_E_BADELF
1585 if FILE->elf is not ELF_K_ELF.
1587 * dwfl_segment_report_module.c: Add a cast.
1589 2008-08-21 Denys Vlasenko <dvlasenk@redhat.com>
1591 * dwfl_module_addrsym.c (dwfl_module_addrsym): Improve logic
1592 which decides which symbol is "closest" to a given address.
1594 2008-08-15 Roland McGrath <roland@redhat.com>
1596 * argp-std.c (offline_callbacks): Use dwfl_build_id_find_elf.
1597 (options, parse_opt): Handle --core.
1599 * core-file.c: New file.
1600 * Makefile.am (libdwfl_a_SOURCES): Add it.
1601 * libdwflP.h (dwfl_core_file_report): Declare it.
1603 * link_map.c: New file.
1604 * Makefile.am (libdwfl_a_SOURCES): Add it.
1605 * libdwflP.h (dwfl_link_map_report): Declare it.
1607 * libdwflP.h (MIN, MAX): New macros.
1608 (Dwfl_Memory_Callback): New typedef.
1609 (Dwfl_Module_Callback): New typedef.
1610 (dwfl_segment_report_module): Declare it.
1611 * dwfl_segment_report_module.c: New file.
1612 * Makefile.am (libdwfl_a_SOURCES): Add it.
1614 * derelocate.c (dwfl_module_address_section): Add INTDEF.
1615 * libdwflP.h: Add INTDECL.
1617 * segment.c: New file.
1618 * Makefile.am (libdwfl_a_SOURCES): Add it.
1619 * libdwfl.h: Declare dwfl_addrsegment, dwfl_report_segment.
1620 * libdwflP.h (struct Dwfl): New members lookup_elts, lookup_alloc,
1621 lookup_addr, lookup_module, lookup_segndx, replace removed members
1623 (struct Dwfl_Module): New member segment.
1624 * dwfl_end.c (dwfl_end): Free the new ones. Iterate via modulelist
1625 to each free module.
1626 * dwfl_module.c (dwfl_report_begin_add): Do nothing.
1627 (dwfl_report_begin): Don't call it. Truncate the segment table instead.
1628 (dwfl_report_module): Don't touch DWFL->nmodules.
1629 (dwfl_report_end): Don't touch DWFL->modules and DWFL->nmodules.
1630 (compare_modules): Function removed.
1631 * dwfl_getmodules.c: Rewritten.
1633 * libdwflP.h: Add INTDECLs.
1634 * dwfl_getdwarf.c: Rewritten to call dwfl_getmodules.
1635 * dwfl_addrmodule.c: Rewritten to just call dwfl_addrsegment.
1637 2008-08-03 Roland McGrath <roland@redhat.com>
1639 * linux-kernel-modules.c: Include <fts.h> before <config.h>.
1641 2008-07-17 Roland McGrath <roland@redhat.com>
1643 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Set errno to
1644 zero if the failure was only ENOENT.
1646 2008-06-03 Roland McGrath <roland@redhat.com>
1648 * dwfl_module_addrsym.c (dwfl_module_addrsym): Exclude undefined
1651 2008-05-22 Petr Machata <pmachata@redhat.com>
1653 * dwfl_module_getdwarf.c (open_elf): Bias of ET_EXEC files is always 0.
1655 2008-05-06 Roland McGrath <roland@frob.com>
1657 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Use
1658 FTS_LOGICAL here too.
1659 (dwfl_linux_kernel_find_elf): Likewise.
1661 2008-04-29 Roland McGrath <roland@redhat.com>
1663 * find-debuginfo.c (dwfl_standard_find_debuginfo): Try path search
1664 based on canonicalize_file_name if it differs from the supplied name.
1666 * linux-kernel-modules.c (check_module_notes): Use FTS_LOGICAL so
1669 2008-04-27 Roland McGrath <roland@redhat.com>
1671 * linux-kernel-modules.c (report_kernel): Fix crash when
1672 dwfl_report_elf fails.
1674 2008-04-05 Roland McGrath <roland@redhat.com>
1676 * linux-proc-maps.c (proc_maps_report): Don't leak LAST_FILE.
1678 * dwfl_module_getdwarf.c (find_file): Always free build_id_bits.
1679 Clear it after freeing.
1680 * dwfl_module_report_build_id.c (dwfl_module_report_build_id): Likewise.
1682 2008-03-26 Roland McGrath <roland@redhat.com>
1684 * dwfl_module_getdwarf.c (load_symtab): Don't return success for
1685 SHT_DYNSYM, just set *SYMSCN like the comment says.
1687 * dwfl_end.c (dwfl_end): Iterate on modulelist chain, not modules array.
1689 * argp-std.c (parse_opt): On failure, call dwfl_end before argp_failure.
1691 2008-03-19 Roland McGrath <roland@redhat.com>
1693 * dwfl_module_getsrc.c: Adjust address for module bias before search.
1695 2008-03-01 Roland McGrath <roland@redhat.com>
1697 * libdwflP.h (__libdwfl_seterrno): Remove parameter name from
1698 prototype to avoid older compiler's complaint about reuse of the name.
1699 (__libdwfl_canon_error): Likewise.
1701 2008-02-19 Roland McGrath <roland@redhat.com>
1703 * relocate.c (relocate_section): Check for an unhandled relocation
1704 type before resolving a reloc's symbol. Lift DWFL_E_BADRELTYPE ->
1705 DWFL_E_UNKNOWN_MACHINE check out of loops.
1707 * dwfl_module_getdwarf.c (load_dw): Skip relocation if
1708 DEBUGFILE->relocated is already set.
1710 2008-01-26 Roland McGrath <roland@redhat.com>
1712 * dwfl_module_getdwarf.c (open_elf): Open FILE->name if it's non-null.
1714 * dwfl_build_id_find_elf.c (__libdwfl_open_by_build_id): Don't clear
1715 incoming *FILE_NAME at the start.
1717 2008-01-08 Roland McGrath <roland@redhat.com>
1719 * Makefile.am (euinclude): Variable removed.
1720 (pkginclude_HEADERS): Set this instead of euinclude_HEADERS.
1722 2007-10-23 Roland McGrath <roland@redhat.com>
1724 * linux-kernel-modules.c (report_kernel_archive): Reorder the kernel
1725 module to appear first.
1727 2007-10-20 Roland McGrath <roland@redhat.com>
1729 * offline.c (process_archive_member): Take FD argument, pass it down
1730 to process_file. Return Elf_Cmd, not bool.
1731 Call elf_next here, always before elf_end.
1732 (process_archive): Update caller. Don't close FD here unless there
1735 * dwfl_module.c (free_file): Close fd only when elf_end returns zero.
1737 * libdwflP.h (struct dwfl_file): New bool member `relocated'.
1738 * dwfl_module_getdwarf.c (dwfl_module_getelf): For ET_REL, apply
1739 partial relocation to one or both files.
1740 (dwfl_module_getdwarf): For ET_REL, make sure extra sections'
1741 relocations have been applied to the debug file if dwfl_module_getelf
1742 has been used before.
1744 * relocate.c (resolve_symbol): New function.
1745 (relocate_section): Call it.
1747 * relocate.c (relocate_getsym): Handle null MOD->symfile.
1748 (relocate_section): Take new bool arg, PARTIAL. If true,
1749 no error for BADRELTYPE/RELUNDEF, instead just skip them
1750 and leave only those skipped relocs behind the reloc section.
1751 (__libdwfl_relocate_section): Take new arg, pass it down.
1752 (__libdwfl_relocate): Take new bool arg, DEBUG. If false,
1753 do partial relocation on all sections.
1754 * dwfl_module_getdwarf.c (load_dw): Update caller.
1755 * libdwflP.h: Update decls.
1756 * derelocate.c (dwfl_module_address_section): Pass new argument
1757 to __libdwfl_relocate_section, true.
1759 * derelocate.c (cache_sections): Don't cache reloc sections when
1760 section_address callback is null.
1762 2007-10-19 Roland McGrath <roland@redhat.com>
1764 * relocate.c (relocate_section): Fix fencepost error in r_offset check.
1766 * derelocate.c (struct dwfl_relocation): Add member `relocs'.
1767 (struct secref): Likewise.
1768 (cache_sections): Cache the relocation section referring to each
1769 section we cache, if any.
1770 (dwfl_module_address_section): Use __libdwfl_relocate_section as
1773 * relocate.c (struct reloc_symtab_cache): New type.
1774 (relocate_getsym): Use it instead of four arguments.
1775 (__libdwfl_relocate): Update caller.
1776 (relocate_section): New function, broken out of ...
1777 (__libdwfl_relocate): ... here.
1778 (__libdwfl_relocate_section): New function.
1779 * libdwflP.h: Declare it.
1781 2007-10-17 Roland McGrath <roland@redhat.com>
1783 * dwfl_module_getsym.c (dwfl_module_getsym): Apply MOD->symfile->bias
1784 to relocated st_value.
1786 * dwfl_report_elf.c (__libdwfl_report_elf): Align initial BASE for
1789 2007-10-16 Roland McGrath <roland@redhat.com>
1791 * dwfl_report_elf.c (__libdwfl_report_elf): Readjust BASE when a later
1792 section has larger alignment requirements not met by the original BASE,
1793 rather than padding more between sections.
1795 * dwfl_report_elf.c (__libdwfl_report_elf): Fix bias calculation.
1797 * dwfl_module_build_id.c (__libdwfl_find_build_id): Apply module bias
1800 * dwfl_report_elf.c (__libdwfl_report_elf): Don't be confused by BASE
1801 at zero in ET_REL case. Adjust BASE to necessary alignment.
1803 * dwfl_module_build_id.c (check_notes): Take -1, not 0, as stub value
1805 (__libdwfl_find_build_id): Update caller.
1807 * relocate.c (__libdwfl_relocate_value): Don't use sh_offset.
1808 * dwfl_report_elf.c (__libdwfl_report_elf): Likewise.
1809 * offline.c (dwfl_offline_section_address): Bail early if there is
1810 separate debug file.
1812 * relocate.c (__libdwfl_relocate): Don't return DWFL_E_NO_DWARF.
1814 2007-10-09 Roland McGrath <roland@redhat.com>
1816 * dwfl_report_elf.c (__libdwfl_report_elf): Clear SHDR->sh_offset when
1817 caching SHDR->sh_addr = 0.
1818 * offline.c (dwfl_offline_section_address): Never called for sh_addr
1819 really at 0, don't check for it. Use MOD->debug directly, not symfile.
1821 * dwfl_module_getdwarf.c (load_symtab): Return success properly when
1822 we've found SHT_SYMTAB.
1824 * relocate.c (relocate_getsym): New function.
1825 (__libdwfl_relocate): Use it.
1826 (__libdwfl_relocate_value): Take new Elf * argument. Make SYMSHSTRNDX
1827 be a pointer instead of value; cache getshstrndx result there.
1828 * libdwflP.h: Update decl.
1829 * derelocate.c (cache_sections): Update caller.
1830 Always work on the main file, not the symfile.
1831 (dwfl_module_address_section): Likewise.
1832 * dwfl_module_getsym.c (dwfl_module_getsym): Update caller.
1834 2007-10-07 Roland McGrath <roland@redhat.com>
1836 * offline.c (process_archive): Initialize MOD.
1838 * linux-kernel-modules.c (get_release): New function, broken out of ...
1839 (report_kernel): ... here. Call it.
1840 (try_kernel_name): Take new arg TRY_DEBUG, only try ".debug" if set.
1841 (find_kernel_elf): Update caller.
1842 (report_kernel_archive): New function.
1843 (dwfl_linux_kernel_report_offline): Call it.
1845 * offline.c (process_file): Take new arg PREDICATE, pass it down.
1846 (process_archive): Likewise.
1847 (process_archive_member): Likewise. When nonnull, let the predicate
1848 decide whether to use this member.
1849 (__libdwfl_report_offline): New function, broken out of ...
1850 (dwfl_report_offline): ... here. Call it.
1851 * libdwflP.h: Declare it.
1853 * offline.c (process_archive, process_archive_member): New functions.
1854 (process_elf, process_file): New functions, broken out of ...
1855 (dwfl_report_offline): ... here. Call process_file, which recurses on
1858 * dwfl_report_elf.c (__libdwfl_report_elf): New, broken out of ...
1859 (dwfl_report_elf): ... here. Call it.
1860 * libdwflP.h: Declare it.
1862 2007-10-06 Roland McGrath <roland@redhat.com>
1864 * derelocate.c (dwfl_module_relocations): Don't call
1865 dwfl_module_getdwarf.
1867 * derelocate.c (find_section): Use __libdwfl_seterrno, not
1870 * relocate.c (__libdwfl_relocate_value): Abuse sh_offset, not
1871 SHF_ALLOC, to cache sh_addr resolved to 0.
1873 * dwfl_report_elf.c (dwfl_report_elf): When an ET_REL file has sh_addr
1874 values nonzero already, just use its existing layout.
1876 * relocate.c (__libdwfl_relocate): Clear size of reloc section in its
1877 in-core shdr after applying it.
1879 2007-10-04 Ulrich Drepper <drepper@redhat.com>
1881 * linux-kernel-modules.c (dwfl_linux_kernel_report_kernel): Fake
1882 initialization of notes variable.
1884 2007-10-04 Roland McGrath <roland@redhat.com>
1886 * linux-kernel-modules.c (intuit_kernel_bounds): Take new arg NOTES,
1887 fill in with vaddr of "__start_notes" symbol if found.
1888 (check_notes): New function.
1889 (check_kernel_notes): New function.
1890 (dwfl_linux_kernel_report_kernel): Call it.
1891 (check_module_notes): New function.
1892 (dwfl_linux_kernel_report_modules): Call it.
1894 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf):
1895 Try dwfl_build_id_find_elf first.
1897 * linux-kernel-modules.c (report_kernel): Don't leak FD if !REPORT.
1898 Set kernel module e_type to ET_DYN.
1900 2007-10-03 Roland McGrath <roland@redhat.com>
1902 * find-debuginfo.c (validate): New function, broken out of ...
1903 (find_debuginfo_in_path): ... here. New function, broken out of ...
1904 (dwfl_standard_find_debuginfo): ... here. Call it, after trying
1905 dwfl_build_id_find_debuginfo first.
1907 * dwfl_build_id_find_elf.c: New file.
1908 * dwfl_build_id_find_debuginfo.c: New file.
1909 * Makefile.am (libdwfl_a_SOURCES): Add them.
1910 * libdwfl.h: Declare them.
1911 * libdwflP.h: Add INTDECLs.
1913 * dwfl_module_build_id.c: New file.
1914 * dwfl_module_report_build_id.c: New file.
1915 * Makefile.am (libdwfl_a_SOURCES): Add them.
1916 * libdwfl.h: Declare them.
1917 * libdwflP.h (struct Dwfl_Module): New members build_id_bits,
1918 build_id_len, build_id_vaddr. Declare __libdwfl_find_build_id.
1919 * dwfl_module.c (__libdwfl_module_free): Free MOD->build_id_bits.
1921 * dwfl_module_getdwarf.c (find_offsets): New function.
1922 (find_dynsym): New function, calls that.
1923 (find_symtab): Call it.
1925 2007-09-11 Roland McGrath <roland@redhat.com>
1927 * dwfl_module_addrsym.c: Prefer a later global symbol at the same
1928 address if its st_size is smaller.
1930 2007-08-13 Roland McGrath <roland@redhat.com>
1932 * dwfl_module_addrsym.c: Add dead initializer for stupid compiler.
1934 2007-08-12 Roland McGrath <roland@redhat.com>
1936 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Don't use
1939 * elf-from-memory.c (elf_from_remote_memory): Don't reset LOADBASE on
1940 a second phdr if it happens to match EHDR_VMA exactly.
1942 2007-08-08 Roland McGrath <roland@redhat.com>
1944 * dwfl_module_addrsym.c: Don't use STT_SECTION, STT_FILE symbols and
1945 those with no names. Rewrite best symbol algorithm not to assume a
1946 sorted table and to be smarter handling sizeless symbols.
1948 2007-07-16 Roland McGrath <roland@redhat.com>
1950 * dwfl_module.c (dwfl_report_module): Increment DWFL->nmodules when
1951 reviving an existing module.
1953 2007-06-08 Roland McGrath <roland@redhat.com>
1955 * libdwflP.h: Fix #ifndef for config.h to use PACKAGE_NAME.
1957 2007-05-17 Roland McGrath <roland@redhat.com>
1959 * linux-kernel-modules.c (dwfl_linux_kernel_report_offline): Look at
1960 whole /lib/modules/VERSION tree, not just /lib/modules/VERSION/kernel.
1961 (dwfl_linux_kernel_find_elf): Likewise.
1963 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
1964 getline and sscanf instead of fscanf.
1966 2007-05-08 Roland McGrath <roland@redhat.com>
1968 * offline.c (dwfl_offline_section_address): Don't assume section
1969 numbers match between stripped and debuginfo files. Instead, assume
1970 only that the ordering among SHF_ALLOC sections matches.
1972 * linux-kernel-modules.c (report_kernel): Change RELEASE argument to
1974 (dwfl_linux_kernel_report_offline): Update caller.
1975 (dwfl_linux_kernel_report_kernel): Likewise.
1977 2007-04-23 Roland McGrath <roland@redhat.com>
1979 * argp-std.c (options): Fix group title string.
1981 * argp-std.c (parse_opt): Handle ARGP_KEY_ERROR, free the Dwfl.
1982 Update via STATE->input every time we set STATE->hook, not only at
1985 * dwfl_module.c (free_file): Free FILE->name.
1987 2007-04-16 Roland McGrath <roland@redhat.com>
1989 * derelocate.c (cache_sections): Apply bias to sh_addr.
1990 (compare_secrefs): Fix address comparison to avoid signed overflow.
1991 (find_section): New function, broken out of ...
1992 (dwfl_module_relocate_address): ... here, call it.
1993 (check_module): New function, broken out of ...
1994 (dwfl_module_relocate_address): ... here, call it.
1995 (dwfl_module_address_section): New function.
1996 * libdwfl.h: Declare it.
1998 2007-03-26 Roland McGrath <roland@redhat.com>
2000 * dwfl_module.c (__libdwfl_module_free): Free MOD itself.
2002 2007-03-18 Roland McGrath <roland@redhat.com>
2004 * dwfl_module_getdwarf.c (find_debuglink): New function, broken out of
2005 (find_debuginfo): ... here. Call it.
2006 Don't return error for libelf errors finding .gnu_debuglink section.
2008 2007-03-12 Roland McGrath <roland@redhat.com>
2010 * dwfl_module.c (dwfl_report_begin_add): New function broken out of ...
2011 (dwfl_report_begin): ... here. Call it.
2012 * libdwfl.h: Declare it.
2013 * libdwflP.h: Add INTDECL.
2015 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2017 * offline.c: Comment typo fix.
2019 2007-03-04 Roland McGrath <roland@redhat.com>
2021 * linux-kernel-modules.c (KERNEL_MODNAME): New macro for "kernel".
2022 (find_kernel_elf): New function, broken out of ...
2023 (report_kernel): ... here. Call it.
2024 (dwfl_linux_kernel_find_elf): Use it for module named KERNEL_MODNAME.
2025 (intuit_kernel_bounds): New function, grovel /proc/kallsyms to guess
2026 virtual address bounds of kernel from symbols rounded to page size.
2027 (dwfl_linux_kernel_report_kernel): Use that if it works, before
2028 resorting to report_kernel.
2030 * dwfl_module_getdwarf.c (open_elf): Set MOD->e_type to ET_DYN for an
2031 ET_EXEC file with nonzero bias.
2033 * dwfl_module_addrname.c (dwfl_module_addrname): Just call
2034 dwfl_module_addrsym. Guts moved to ...
2035 * dwfl_module_addrsym.c: ... here; new file.
2036 * Makefile.am (libdwfl_a_SOURCES): Add it.
2037 * libdwfl.h: Declare dwfl_module_addrsym.
2038 * libdwflP.h: Add INTDECL.
2040 2007-03-03 Roland McGrath <roland@redhat.com>
2042 * dwfl_module.c (free_file): New function, broken out of ...
2043 (__libdwfl_module_free): ... here. In it, close fd after elf_end.
2045 * dwfl_module_getdwarf.c (open_elf): Close fd and reset to -1
2048 2007-03-02 Roland McGrath <roland@redhat.com>
2050 * linux-kernel-modules.c: Fix bogus error test for asprintf call.
2052 2007-02-02 Roland McGrath <roland@redhat.com>
2054 * dwfl_addrmodule.c (dwfl_addrmodule): Match a module's high boundary
2055 address exactly if it's no other module's low boundary.
2057 * dwfl_module_addrname.c (dwfl_module_addrname): If no symbol's value
2058 and size cover the address, select the closest symbol with st_size==0
2059 that lies in the same section.
2061 2007-01-29 Roland McGrath <roland@redhat.com>
2063 * dwfl_version.c (dwfl_version): Return PACKAGE_VERSION,
2066 2007-01-20 Roland McGrath <roland@redhat.com>
2068 * relocate.c (__libdwfl_relocate_value): Treat section_address of -1
2070 * libdwfl.h (Dwfl_Callbacks): Update comment.
2071 * derelocate.c (cache_sections): Don't ignore sh_addr == 0 sections.
2072 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2073 For ignored missing section, use -1 instead of 0.
2074 * offline.c (dwfl_offline_section_address): Expect a call for 0.
2076 2007-01-19 Roland McGrath <roland@redhat.com>
2078 * argp-std.c (parse_opt): For -e, reset DWFL->offline_next_address to
2079 zero so a lone -e foo.so is shown without address bias.
2081 2007-01-10 Roland McGrath <roland@redhat.com>
2083 * linux-kernel-modules.c (report_kernel): Check asprintf return value
2084 directly instead of via side effect, to silence warn_unused_result.
2085 (dwfl_linux_kernel_report_offline): Likewise.
2086 (dwfl_linux_kernel_find_elf): Likewise.
2087 (dwfl_linux_kernel_module_section_address): Likewise.
2088 * find-debuginfo.c (try_open): Likewise.
2089 * linux-proc-maps.c (find_sysinfo_ehdr): Likewise.
2090 (dwfl_linux_proc_report): Likewise.
2092 * libdwfl.h (dwfl_begin): Require nonnull argument.
2094 2006-12-27 Roland McGrath <roland@redhat.com>
2096 * dwfl_module.c (compare_modules): Fix address comparison to avoid
2097 signed overflow. Patch by Frank Ch. Eigler <fche@redhat.com>.
2099 2006-10-30 Roland McGrath <roland@redhat.com>
2101 * dwfl_module.c (dwfl_report_module): Comment typo fix.
2103 2006-09-05 Roland McGrath <roland@redhat.com>
2105 * derelocate.c (cache_sections): Use alloca instead of variable-sized
2106 auto array, in function already using alloca.
2108 2006-08-14 Roland McGrath <roland@redhat.com>
2110 * linux-kernel-modules.c (try_kernel_name): If the call to
2111 dwfl_standard_find_debuginfo produces no results, try it again
2112 with NULL as DEBUGLINK_FILE to try *FNAME with .debug suffix.
2114 * find-debuginfo.c (DEFAULT_DEBUGINFO_PATH): Macro moved ...
2115 * libdwflP.h: ... to here.
2116 * linux-kernel-modules.c (try_kernel_name): Skip manual open if it
2117 repeats the first thing dwfl_standard_find_debuginfo will try.
2119 * linux-kernel-modules.c (MODULE_SECT_NAME_LEN): New macro.
2120 (dwfl_linux_kernel_module_section_address): If a /sys file is missing
2121 and the section name is >= MODULE_SECT_NAME_LEN, try truncating the
2124 2006-07-12 Ulrich Drepper <drepper@redhat.com>
2126 * cu.c: Adjust for internal_function_def removal.
2127 * dwfl_error.c: Likewise.
2128 * dwfl_module.c: Likewise.
2129 * dwfl_module_getdwarf.c: Likewise.
2130 * lines.c: Likewise.
2131 * relocate.c: Likewise.
2133 2006-07-11 Ulrich Drepper <drepper@redhat.com>
2135 * dwfl_module.c (compare_modules): Don't return GElf_Sxword value,
2136 it can overflow the return value type.
2137 Patch by Tim Moore <timoore@redhat.com>.
2139 2006-06-28 Roland McGrath <roland@redhat.com>
2141 * libdwfl.h: Cosmetic changes.
2143 * dwfl_line_comp_dir.c: New file.
2144 * Makefile.am (libdwfl_a_SOURCES): Add it.
2145 * libdwfl.h: Declare dwfl_line_comp_dir.
2147 * dwfl_lineinfo.c (dwfl_lineinfo): Remove stray extern in defn.
2149 * dwfl_linecu.c: New file.
2150 * Makefile.am (libdwfl_a_SOURCES): Add it.
2151 * libdwfl.h: Declare dwfl_linecu.
2153 * libdwflP.h (dwfl_linecu_inline): Function renamed from dwfl_linecu.
2154 (dwfl_linecu): Define as macro.
2156 * relocate.c (__libdwfl_relocate): Use dwfl_module_getsym.
2158 * dwfl_module_getdwarf.c (dwfl_module_getsymtab): New function.
2159 (dwfl_module_addrname): Function moved ...
2160 * dwfl_module_addrname.c: ... here, new file.
2161 * dwfl_module_getsym.c: New file.
2162 * Makefile.am (libdwfl_a_SOURCES): Add them.
2163 * libdwfl.h: Declare dwfl_module_getsymtab, dwfl_module_getsym.
2164 * libdwflP.h: Add INTDECLs.
2166 2006-06-27 Roland McGrath <roland@redhat.com>
2168 * dwfl_module.c (dwfl_report_end): Whitespace fix.
2170 2006-06-13 Roland McGrath <roland@redhat.com>
2172 * elf-from-memory.c (elf_from_remote_memory): Fix 32/64 typo.
2173 Use __libdwfl_seterrno for elf_memory failure.
2175 2006-05-22 Roland McGrath <roland@redhat.com>
2177 * dwfl_module_return_value_location.c
2178 (dwfl_module_return_value_location): Use __libdwfl_module_getebl.
2180 2006-05-27 Ulrich Drepper <drepper@redhat.com>
2182 * libdwfl.h: Add extern "C".
2184 2006-05-22 Ulrich Drepper <drepper@redhat.com>
2186 * cu.c (addrarange): Handle files without aranges information.
2188 2006-05-16 Ulrich Drepper <drepper@redhat.com>
2190 * dwfl_addrmodule.c (dwfl_addrmodule): Also return NULL of
2193 2006-02-26 Roland McGrath <roland@redhat.com>
2195 * dwfl_version.c: New file.
2196 * Makefile.am (libdwfl_a_SOURCES): Add it.
2197 * libdwfl.h: Declare dwfl_version.
2199 * offline.c (dwfl_report_offline): Account for dwfl_report_elf having
2200 aligned up from DWFL->offline_next_address when checking for overlap.
2202 2005-12-22 Roland McGrath <roland@redhat.com>
2204 * argp-std.c (parse_opt): Call dwfl_end in failure cases.
2206 * linux-proc-maps.c (proc_maps_report): New function, broken out of ...
2207 (dwfl_linux_proc_report): ... here. Call it.
2208 (dwfl_linux_proc_maps_report): New function.
2209 * libdwfl.h: Declare it.
2210 * libdwflP.h: Add INTDECL.
2211 * argp-std.c (options, parse_opt): Grok -M/--linux-process-map.
2213 * dwfl_nextcu.c (dwfl_nextcu): Don't fail when dwfl_module_getdwarf
2214 failed with DWFL_E_NO_DWARF.
2216 2005-11-26 Roland McGrath <roland@redhat.com>
2218 * dwfl_end.c (dwfl_end): Free the DWFL itself.
2220 2005-11-25 Roland McGrath <roland@redhat.com>
2222 * dwfl_module_getdwarf.c (__libdwfl_module_getebl): New function.
2224 * dwfl_module_register_names.c (dwfl_module_register_names): Likewise.
2225 * libdwflP.h: Declare it.
2227 * dwfl_module_register_names.c: New file.
2228 * Makefile.am (libdwfl_a_SOURCES): Add it.
2229 * libdwfl.h: Declare dwfl_module_register_names.
2231 2005-11-21 Roland McGrath <roland@redhat.com>
2233 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2234 Don't leak malloc'd file name.
2235 If a /sys/.../sections file is missing and starts with ".init",
2236 try the variant with "_init" too; catches PPC64 kernel braindamage.
2238 2005-11-15 Roland McGrath <roland@redhat.com>
2240 * libdwfl.h: Comment fixes.
2242 * dwfl_module_return_value_location.c: Add unlikely for error case.
2244 2005-11-13 Roland McGrath <roland@redhat.com>
2246 * dwfl_return_value_location.c: New file.
2247 * Makefile.am (libdwfl_a_SOURCES): Add it.
2248 * libdwfl.h: Declare dwfl_module_return_value_location.
2249 * libdwflP.h (DWFL_ERRORS): Add DWFL_E_WEIRD_TYPE.
2251 2005-10-20 Roland McGrath <roland@redhat.com>
2253 * libdwflP.h (DWFL_ERRORS): New error UNKNOWN_MACHINE.
2254 * relocate.c (__libdwfl_relocate): Return DWFL_E_UNKNOWN_MACHINE
2255 instead of DWFL_E_BADRELTYPE if ebl_get_elfmachine yields EM_NONE.
2257 2005-10-01 Roland McGrath <roland@redhat.com>
2259 * linux-kernel-modules.c (report_kernel): Return ENOENT if we fail
2262 2005-09-19 Roland McGrath <roland@redhat.com>
2264 * linux-kernel-modules.c (dwfl_linux_kernel_report_modules): Use
2265 PRIx64 instead of PRIi64, lest addresses with high bits set overflow
2266 the signed integer reading; they will just have to be in hexadecimal.
2267 (dwfl_linux_kernel_module_section_address): Likewise.
2269 2005-08-28 Ulrich Drepper <drepper@redhat.com>
2271 * Makefile.am (%.os): Use COMPILE.os.
2272 (COMPILE.os): Filter out gconv options.
2274 2005-08-25 Roland McGrath <roland@redhat.com>
2276 * cu.c (__libdwfl_nextcu): Return success when dwarf_nextcu hits end.
2277 * dwfl_nextcu.c (dwfl_nextcu): Skip modules with no dwarf info.
2279 2005-08-24 Roland McGrath <roland@redhat.com>
2281 * dwfl_lineinfo.c (dwfl_lineinfo): Add bias, don't subtract it.
2283 * argp-std.c [_MUDFLAP] (__libdwfl_argp_mudflap_options): New function,
2284 magic initializer to set -heur-stack-bound option.
2286 2005-08-22 Roland McGrath <roland@redhat.com>
2288 * dwfl_validate_address.c: New file.
2289 * Makefile.am (libdwfl_a_SOURCES): Add it.
2290 * libdwfl.h: Declare dwfl_validate_address.
2292 * derelocate.c (dwfl_module_relocate_address): Add INTDEF.
2293 * libdwflP.h: Add INTDECL.
2295 * dwfl_module_getdwarf.c (find_symtab): Use elf_getdata instead of
2296 elf_rawdata for symbol-related sections.
2298 * offline.c (dwfl_report_offline): Move offline_next_address outside
2299 module's range, in case it's an ET_EXEC using fixed segment locations.
2300 * libdwfl.h: Update comment.
2302 * dwfl_report_elf.c (dwfl_report_elf): Align BASE to first segment's
2305 2005-08-20 Roland McGrath <roland@redhat.com>
2307 * linux-kernel-modules.c (report_kernel): Take new argument PREDICATE,
2308 function to choose whether to report.
2309 (dwfl_linux_kernel_report_offline): Likewise.
2310 * libdwfl.h: Update decl.
2311 * argp-std.c (parse_opt): Update caller.
2313 * dwfl_getsrclines.c: New file.
2314 * dwfl_onesrcline.c: New file.
2315 * Makefile.am (libdwfl_a_SOURCES): Add them.
2316 * libdwfl.h: Declare dwfl_getsrclines, dwfl_onesrcline.
2318 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): Don't leak
2319 MODULESDIR[0]. Call fts_close on failure.
2321 * dwfl_module_getdwarf.c (load_dw): Take dwfl_file * instead of Elf *.
2322 Close ET_REL file descriptors after relocation.
2323 (find_dw): Update caller.
2324 * offline.c (dwfl_report_offline): Get the file into memory and close
2325 the file descriptor.
2327 * dwfl_module_getdwarf.c (find_debuginfo): Do nothing when
2328 MOD->debug.elf is already set.
2330 * find-debuginfo.c (try_open): Use TEMP_FAILURE_RETRY.
2331 (dwfl_standard_find_debuginfo): Fail on errors not ENOENT or ENOTDIR.
2333 * argp-std.c (options, parse_opt): Grok -K/--offline-kernel, use
2334 dwfl_linux_kernel_report_offline with offline_callbacks.
2336 * linux-kernel-modules.c (report_kernel): New function, broken out of
2338 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2339 (dwfl_linux_kernel_report_offline): New function.
2340 * libdwfl.h: Declare it.
2341 * libdwflP.h: Add INTDECL.
2343 2005-08-19 Roland McGrath <roland@redhat.com>
2345 Use standard debuginfo search path to look for vmlinux.
2346 * find-debuginfo.c (dwfl_standard_find_debuginfo): Don't check CRC if
2348 * linux-kernel-modules.c (try_kernel_name): New function, broken out
2350 (dwfl_linux_kernel_report_kernel): ... here. Use it.
2352 * argp-std.c (offline_callbacks): New variable.
2353 (parse_opt): Use it for -e. Allow multiple -e options.
2355 * offline.c: New file.
2356 * Makefile.am (libdwfl_a_SOURCES): Add it.
2357 * libdwfl.h: Declare dwfl_offline_section_address, dwfl_report_offline.
2358 * libdwflP.h: Add INTDECLs.
2359 (OFFLINE_REDZONE): New macro.
2360 (struct Dwfl): New member `offline_next_address'.
2361 * dwfl_begin.c (dwfl_begin): Initialize it.
2362 * dwfl_module.c (dwfl_report_begin): Likewise.
2364 * dwfl_report_elf.c (dwfl_report_elf): Accept all types. When ET_REL,
2365 do a nominal absolute section layout starting at BASE.
2366 * libdwfl.h: Update comment.
2368 2005-08-18 Roland McGrath <roland@redhat.com>
2370 * dwfl_module_getsrc_file.c (dwfl_module_getsrc_file): Do
2371 dwfl_module_getdwarf if necessary.
2373 * dwfl_report_elf.c (dwfl_report_elf): Permit ET_REL with BASE==0.
2374 * libdwfl.h: Update comment.
2376 * derelocate.c: New file.
2377 * Makefile.am (libdwfl_a_SOURCES): Add it.
2379 * libdwflP.h (struct Dwfl_Module): isrel -> e_type.
2380 * dwfl_report_elf.c (dwfl_report_elf): Initialize it.
2381 * dwfl_module_getdwarf.c (open_elf): Update initialization.
2382 (load_dw, dwfl_module_addrname): Update uses.
2383 * relocate.c (__libdwfl_relocate): Likewise.
2385 2005-08-04 Roland McGrath <roland@redhat.com>
2387 * libdwfl.h (Dwfl_Callbacks.section_address): Take additional
2388 arguments SHNDX, SHDR.
2389 (dwfl_linux_kernel_module_section_address): Update prototype.
2390 * relocate.c (__libdwfl_relocate_value): Update caller.
2391 * linux-kernel-modules.c (dwfl_linux_kernel_module_section_address):
2392 Take the new arguments.
2394 2005-08-10 Roland McGrath <roland@redhat.com>
2396 * relocate.c (__libdwfl_relocate): Take argument DEBUGFILE,
2397 use it instead of MOD->debug.file.
2398 * libdwflP.h: Update decl.
2399 * dwfl_module_getdwarf.c (load_dw): Update caller.
2402 2005-08-09 Roland McGrath <roland@redhat.com>
2404 * libdwflP.h: Include ../libdw/libdwP.h for its INTDECLs.
2405 * cu.c: Use INTUSE on dwarf_* calls.
2406 * dwfl_error.c: Likewise.
2407 * dwfl_module.c: Likewise.
2408 * dwfl_module_getdwarf.c: Likewise.
2409 * dwfl_module_getsrc_file.c: Likewise.
2410 * lines.c: Likewise.
2412 2005-08-07 Roland McGrath <roland@redhat.com>
2414 * linux-kernel-modules.c (dwfl_linux_kernel_find_elf): When module
2415 names contain '_' or '-', look for files named either "foo-bar.ko"
2418 2005-07-29 Roland McGrath <roland@redhat.com>
2420 * loc2c.c: File removed.
2421 * loc2c.h: File removed.
2422 * loc2c-runtime.h: File removed.
2423 * test2.c: File removed.
2424 * Makefile.am (EXTRA_DIST): Variable removed.
2425 (noinst_HEADERS): Remove loc2c.h from here.
2427 2005-07-28 Ulrich Drepper <drepper@redhat.com>
2429 * libdwfl.h: Add a few missing extern for function prototypes.
2431 * libdwfl_crc32.c: New file.
2432 * libdwfl_crc32_file.c: New file.
2433 * libdwflP.h: Declare the new functions.
2434 * Makefile.am (libdwfl_a_SOURCES): Add libdwfl_crc32.c and
2435 libdwfl_crc32_file.c.
2436 * libdwfl/find-debuginfo.c (check_crc): Use __libdwfl_crc32_file
2437 instead of crc32_file.
2439 2005-07-28 Roland McGrath <roland@redhat.com>
2441 * ptest.c: Moved to ../tests/dwflmodtest.c.
2443 * Makefile.am (noinst_PROGRAMS): Variable removed.
2444 (libdwfl_so_SOURCES, libdwfl_LIBS, libdwfl_so_LDADD): Likewise.
2445 (EXTRA_DIST, ptest_LDADD, test2_LDADD): Likewise.
2446 (libdwfl): Don't use libdwfl.so any more.
2447 (libdwfl.so, install, uninstall): Targets removed.
2448 (test2_SOURCES): Define EXTRA_DIST instead of this.
2449 * libdwfl.map: File removed.
2451 * libdwfl.h: Use "" for libdw.h #include.
2453 2005-07-27 Roland McGrath <roland@redhat.com>
2455 * libdwfl.map: Add dwfl_getmodules.
2457 2005-07-23 Ulrich Drepper <drepper@redhat.com>
2459 * Makefile.am: Fix rules to allow building with mudflap.
2461 2005-07-21 Roland McGrath <roland@redhat.com>
2463 * Makefile.am (noinst_HEADERS): Add loc2c.c.
2465 * test2.c (main): Check sscanf result to quiet warning.
2467 2005-07-20 Roland McGrath <roland@redhat.com>
2469 * libdwfl-branch merged, creating this direcotry.