1 /* Target-dependent code for GNU/Linux, architecture independent.
3 Copyright (C) 2009-2012 Free Software Foundation, Inc.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 #include "linux-tdep.h"
25 #include "gdbthread.h"
29 #include "elf/common.h"
30 #include "elf-bfd.h" /* for elfcore_write_* */
32 #include "cli/cli-utils.h"
36 static struct gdbarch_data *linux_gdbarch_data_handle;
38 struct linux_gdbarch_data
40 struct type *siginfo_type;
44 init_linux_gdbarch_data (struct gdbarch *gdbarch)
46 return GDBARCH_OBSTACK_ZALLOC (gdbarch, struct linux_gdbarch_data);
49 static struct linux_gdbarch_data *
50 get_linux_gdbarch_data (struct gdbarch *gdbarch)
52 return gdbarch_data (gdbarch, linux_gdbarch_data_handle);
55 /* This function is suitable for architectures that don't
56 extend/override the standard siginfo structure. */
59 linux_get_siginfo_type (struct gdbarch *gdbarch)
61 struct linux_gdbarch_data *linux_gdbarch_data;
62 struct type *int_type, *uint_type, *long_type, *void_ptr_type;
63 struct type *uid_type, *pid_type;
64 struct type *sigval_type, *clock_type;
65 struct type *siginfo_type, *sifields_type;
68 linux_gdbarch_data = get_linux_gdbarch_data (gdbarch);
69 if (linux_gdbarch_data->siginfo_type != NULL)
70 return linux_gdbarch_data->siginfo_type;
72 int_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
74 uint_type = arch_integer_type (gdbarch, gdbarch_int_bit (gdbarch),
76 long_type = arch_integer_type (gdbarch, gdbarch_long_bit (gdbarch),
78 void_ptr_type = lookup_pointer_type (builtin_type (gdbarch)->builtin_void);
81 sigval_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION);
82 TYPE_NAME (sigval_type) = xstrdup ("sigval_t");
83 append_composite_type_field (sigval_type, "sival_int", int_type);
84 append_composite_type_field (sigval_type, "sival_ptr", void_ptr_type);
87 pid_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
88 TYPE_LENGTH (int_type), "__pid_t");
89 TYPE_TARGET_TYPE (pid_type) = int_type;
90 TYPE_TARGET_STUB (pid_type) = 1;
93 uid_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
94 TYPE_LENGTH (uint_type), "__uid_t");
95 TYPE_TARGET_TYPE (uid_type) = uint_type;
96 TYPE_TARGET_STUB (uid_type) = 1;
99 clock_type = arch_type (gdbarch, TYPE_CODE_TYPEDEF,
100 TYPE_LENGTH (long_type), "__clock_t");
101 TYPE_TARGET_TYPE (clock_type) = long_type;
102 TYPE_TARGET_STUB (clock_type) = 1;
105 sifields_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_UNION);
108 const int si_max_size = 128;
110 int size_of_int = gdbarch_int_bit (gdbarch) / HOST_CHAR_BIT;
113 if (gdbarch_ptr_bit (gdbarch) == 64)
114 si_pad_size = (si_max_size / size_of_int) - 4;
116 si_pad_size = (si_max_size / size_of_int) - 3;
117 append_composite_type_field (sifields_type, "_pad",
118 init_vector_type (int_type, si_pad_size));
122 type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
123 append_composite_type_field (type, "si_pid", pid_type);
124 append_composite_type_field (type, "si_uid", uid_type);
125 append_composite_type_field (sifields_type, "_kill", type);
128 type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
129 append_composite_type_field (type, "si_tid", int_type);
130 append_composite_type_field (type, "si_overrun", int_type);
131 append_composite_type_field (type, "si_sigval", sigval_type);
132 append_composite_type_field (sifields_type, "_timer", type);
135 type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
136 append_composite_type_field (type, "si_pid", pid_type);
137 append_composite_type_field (type, "si_uid", uid_type);
138 append_composite_type_field (type, "si_sigval", sigval_type);
139 append_composite_type_field (sifields_type, "_rt", type);
142 type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
143 append_composite_type_field (type, "si_pid", pid_type);
144 append_composite_type_field (type, "si_uid", uid_type);
145 append_composite_type_field (type, "si_status", int_type);
146 append_composite_type_field (type, "si_utime", clock_type);
147 append_composite_type_field (type, "si_stime", clock_type);
148 append_composite_type_field (sifields_type, "_sigchld", type);
151 type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
152 append_composite_type_field (type, "si_addr", void_ptr_type);
153 append_composite_type_field (sifields_type, "_sigfault", type);
156 type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
157 append_composite_type_field (type, "si_band", long_type);
158 append_composite_type_field (type, "si_fd", int_type);
159 append_composite_type_field (sifields_type, "_sigpoll", type);
162 siginfo_type = arch_composite_type (gdbarch, NULL, TYPE_CODE_STRUCT);
163 TYPE_NAME (siginfo_type) = xstrdup ("siginfo");
164 append_composite_type_field (siginfo_type, "si_signo", int_type);
165 append_composite_type_field (siginfo_type, "si_errno", int_type);
166 append_composite_type_field (siginfo_type, "si_code", int_type);
167 append_composite_type_field_aligned (siginfo_type,
168 "_sifields", sifields_type,
169 TYPE_LENGTH (long_type));
171 linux_gdbarch_data->siginfo_type = siginfo_type;
177 linux_has_shared_address_space (struct gdbarch *gdbarch)
179 /* Determine whether we are running on uClinux or normal Linux
182 int target_is_uclinux;
185 = (target_auxv_search (¤t_target, AT_NULL, &dummy) > 0
186 && target_auxv_search (¤t_target, AT_PAGESZ, &dummy) == 0);
188 return target_is_uclinux;
191 /* This is how we want PTIDs from core files to be printed. */
194 linux_core_pid_to_str (struct gdbarch *gdbarch, ptid_t ptid)
198 if (ptid_get_lwp (ptid) != 0)
200 snprintf (buf, sizeof (buf), "LWP %ld", ptid_get_lwp (ptid));
204 return normal_pid_to_str (ptid);
207 /* Service function for corefiles and info proc. */
210 read_mapping (const char *line,
211 ULONGEST *addr, ULONGEST *endaddr,
212 const char **permissions, size_t *permissions_len,
214 const char **device, size_t *device_len,
216 const char **filename)
218 const char *p = line;
220 *addr = strtoulst (p, &p, 16);
223 *endaddr = strtoulst (p, &p, 16);
225 while (*p && isspace (*p))
228 while (*p && !isspace (*p))
230 *permissions_len = p - *permissions;
232 *offset = strtoulst (p, &p, 16);
234 while (*p && isspace (*p))
237 while (*p && !isspace (*p))
239 *device_len = p - *device;
241 *inode = strtoulst (p, &p, 10);
243 while (*p && isspace (*p))
248 /* Implement the "info proc" command. */
251 linux_info_proc (struct gdbarch *gdbarch, char *args,
252 enum info_proc_what what)
254 /* A long is used for pid instead of an int to avoid a loss of precision
255 compiler warning from the output of strtoul. */
257 int cmdline_f = (what == IP_MINIMAL || what == IP_CMDLINE || what == IP_ALL);
258 int cwd_f = (what == IP_MINIMAL || what == IP_CWD || what == IP_ALL);
259 int exe_f = (what == IP_MINIMAL || what == IP_EXE || what == IP_ALL);
260 int mappings_f = (what == IP_MAPPINGS || what == IP_ALL);
261 int status_f = (what == IP_STATUS || what == IP_ALL);
262 int stat_f = (what == IP_STAT || what == IP_ALL);
267 if (args && isdigit (args[0]))
268 pid = strtoul (args, &args, 10);
271 if (!target_has_execution)
272 error (_("No current process: you must name one."));
273 if (current_inferior ()->fake_pid_p)
274 error (_("Can't determine the current process's PID: you must name one."));
276 pid = current_inferior ()->pid;
279 args = skip_spaces (args);
281 error (_("Too many parameters: %s"), args);
283 printf_filtered (_("process %ld\n"), pid);
286 xsnprintf (filename, sizeof filename, "/proc/%ld/cmdline", pid);
287 data = target_fileio_read_stralloc (filename);
290 struct cleanup *cleanup = make_cleanup (xfree, data);
291 printf_filtered ("cmdline = '%s'\n", data);
292 do_cleanups (cleanup);
295 warning (_("unable to open /proc file '%s'"), filename);
299 xsnprintf (filename, sizeof filename, "/proc/%ld/cwd", pid);
300 data = target_fileio_readlink (filename, &target_errno);
303 struct cleanup *cleanup = make_cleanup (xfree, data);
304 printf_filtered ("cwd = '%s'\n", data);
305 do_cleanups (cleanup);
308 warning (_("unable to read link '%s'"), filename);
312 xsnprintf (filename, sizeof filename, "/proc/%ld/exe", pid);
313 data = target_fileio_readlink (filename, &target_errno);
316 struct cleanup *cleanup = make_cleanup (xfree, data);
317 printf_filtered ("exe = '%s'\n", data);
318 do_cleanups (cleanup);
321 warning (_("unable to read link '%s'"), filename);
325 xsnprintf (filename, sizeof filename, "/proc/%ld/maps", pid);
326 data = target_fileio_read_stralloc (filename);
329 struct cleanup *cleanup = make_cleanup (xfree, data);
332 printf_filtered (_("Mapped address spaces:\n\n"));
333 if (gdbarch_addr_bit (gdbarch) == 32)
335 printf_filtered ("\t%10s %10s %10s %10s %s\n",
338 " Size", " Offset", "objfile");
342 printf_filtered (" %18s %18s %10s %10s %s\n",
345 " Size", " Offset", "objfile");
348 for (line = strtok (data, "\n"); line; line = strtok (NULL, "\n"))
350 ULONGEST addr, endaddr, offset, inode;
351 const char *permissions, *device, *filename;
352 size_t permissions_len, device_len;
354 read_mapping (line, &addr, &endaddr,
355 &permissions, &permissions_len,
356 &offset, &device, &device_len,
359 if (gdbarch_addr_bit (gdbarch) == 32)
361 printf_filtered ("\t%10s %10s %10s %10s %s\n",
362 paddress (gdbarch, addr),
363 paddress (gdbarch, endaddr),
364 hex_string (endaddr - addr),
366 *filename? filename : "");
370 printf_filtered (" %18s %18s %10s %10s %s\n",
371 paddress (gdbarch, addr),
372 paddress (gdbarch, endaddr),
373 hex_string (endaddr - addr),
375 *filename? filename : "");
379 do_cleanups (cleanup);
382 warning (_("unable to open /proc file '%s'"), filename);
386 xsnprintf (filename, sizeof filename, "/proc/%ld/status", pid);
387 data = target_fileio_read_stralloc (filename);
390 struct cleanup *cleanup = make_cleanup (xfree, data);
391 puts_filtered (data);
392 do_cleanups (cleanup);
395 warning (_("unable to open /proc file '%s'"), filename);
399 xsnprintf (filename, sizeof filename, "/proc/%ld/stat", pid);
400 data = target_fileio_read_stralloc (filename);
403 struct cleanup *cleanup = make_cleanup (xfree, data);
404 const char *p = data;
406 printf_filtered (_("Process: %s\n"),
407 pulongest (strtoulst (p, &p, 10)));
409 while (*p && isspace (*p))
413 const char *ep = strchr (p, ')');
416 printf_filtered ("Exec file: %.*s\n",
417 (int) (ep - p - 1), p + 1);
422 while (*p && isspace (*p))
425 printf_filtered (_("State: %c\n"), *p++);
428 printf_filtered (_("Parent process: %s\n"),
429 pulongest (strtoulst (p, &p, 10)));
431 printf_filtered (_("Process group: %s\n"),
432 pulongest (strtoulst (p, &p, 10)));
434 printf_filtered (_("Session id: %s\n"),
435 pulongest (strtoulst (p, &p, 10)));
437 printf_filtered (_("TTY: %s\n"),
438 pulongest (strtoulst (p, &p, 10)));
440 printf_filtered (_("TTY owner process group: %s\n"),
441 pulongest (strtoulst (p, &p, 10)));
444 printf_filtered (_("Flags: %s\n"),
445 hex_string (strtoulst (p, &p, 10)));
447 printf_filtered (_("Minor faults (no memory page): %s\n"),
448 pulongest (strtoulst (p, &p, 10)));
450 printf_filtered (_("Minor faults, children: %s\n"),
451 pulongest (strtoulst (p, &p, 10)));
453 printf_filtered (_("Major faults (memory page faults): %s\n"),
454 pulongest (strtoulst (p, &p, 10)));
456 printf_filtered (_("Major faults, children: %s\n"),
457 pulongest (strtoulst (p, &p, 10)));
459 printf_filtered (_("utime: %s\n"),
460 pulongest (strtoulst (p, &p, 10)));
462 printf_filtered (_("stime: %s\n"),
463 pulongest (strtoulst (p, &p, 10)));
465 printf_filtered (_("utime, children: %s\n"),
466 pulongest (strtoulst (p, &p, 10)));
468 printf_filtered (_("stime, children: %s\n"),
469 pulongest (strtoulst (p, &p, 10)));
471 printf_filtered (_("jiffies remaining in current "
473 pulongest (strtoulst (p, &p, 10)));
475 printf_filtered (_("'nice' value: %s\n"),
476 pulongest (strtoulst (p, &p, 10)));
478 printf_filtered (_("jiffies until next timeout: %s\n"),
479 pulongest (strtoulst (p, &p, 10)));
481 printf_filtered (_("jiffies until next SIGALRM: %s\n"),
482 pulongest (strtoulst (p, &p, 10)));
484 printf_filtered (_("start time (jiffies since "
485 "system boot): %s\n"),
486 pulongest (strtoulst (p, &p, 10)));
488 printf_filtered (_("Virtual memory size: %s\n"),
489 pulongest (strtoulst (p, &p, 10)));
491 printf_filtered (_("Resident set size: %s\n"),
492 pulongest (strtoulst (p, &p, 10)));
494 printf_filtered (_("rlim: %s\n"),
495 pulongest (strtoulst (p, &p, 10)));
497 printf_filtered (_("Start of text: %s\n"),
498 hex_string (strtoulst (p, &p, 10)));
500 printf_filtered (_("End of text: %s\n"),
501 hex_string (strtoulst (p, &p, 10)));
503 printf_filtered (_("Start of stack: %s\n"),
504 hex_string (strtoulst (p, &p, 10)));
505 #if 0 /* Don't know how architecture-dependent the rest is...
506 Anyway the signal bitmap info is available from "status". */
508 printf_filtered (_("Kernel stack pointer: %s\n"),
509 hex_string (strtoulst (p, &p, 10)));
511 printf_filtered (_("Kernel instr pointer: %s\n"),
512 hex_string (strtoulst (p, &p, 10)));
514 printf_filtered (_("Pending signals bitmap: %s\n"),
515 hex_string (strtoulst (p, &p, 10)));
517 printf_filtered (_("Blocked signals bitmap: %s\n"),
518 hex_string (strtoulst (p, &p, 10)));
520 printf_filtered (_("Ignored signals bitmap: %s\n"),
521 hex_string (strtoulst (p, &p, 10)));
523 printf_filtered (_("Catched signals bitmap: %s\n"),
524 hex_string (strtoulst (p, &p, 10)));
526 printf_filtered (_("wchan (system call): %s\n"),
527 hex_string (strtoulst (p, &p, 10)));
529 do_cleanups (cleanup);
532 warning (_("unable to open /proc file '%s'"), filename);
536 /* List memory regions in the inferior for a corefile. */
539 linux_find_memory_regions (struct gdbarch *gdbarch,
540 find_memory_region_ftype func, void *obfd)
545 /* We need to know the real target PID to access /proc. */
546 if (current_inferior ()->fake_pid_p)
549 xsnprintf (filename, sizeof filename,
550 "/proc/%d/smaps", current_inferior ()->pid);
551 data = target_fileio_read_stralloc (filename);
554 /* Older Linux kernels did not support /proc/PID/smaps. */
555 xsnprintf (filename, sizeof filename,
556 "/proc/%d/maps", current_inferior ()->pid);
557 data = target_fileio_read_stralloc (filename);
561 struct cleanup *cleanup = make_cleanup (xfree, data);
564 line = strtok (data, "\n");
567 ULONGEST addr, endaddr, offset, inode;
568 const char *permissions, *device, *filename;
569 size_t permissions_len, device_len;
570 int read, write, exec;
571 int modified = 0, has_anonymous = 0;
573 read_mapping (line, &addr, &endaddr, &permissions, &permissions_len,
574 &offset, &device, &device_len, &inode, &filename);
576 /* Decode permissions. */
577 read = (memchr (permissions, 'r', permissions_len) != 0);
578 write = (memchr (permissions, 'w', permissions_len) != 0);
579 exec = (memchr (permissions, 'x', permissions_len) != 0);
581 /* Try to detect if region was modified by parsing smaps counters. */
582 for (line = strtok (NULL, "\n");
583 line && line[0] >= 'A' && line[0] <= 'Z';
584 line = strtok (NULL, "\n"))
586 char keyword[64 + 1];
587 unsigned long number;
589 if (sscanf (line, "%64s%lu kB\n", keyword, &number) != 2)
591 warning (_("Error parsing {s,}maps file '%s'"), filename);
594 if (strcmp (keyword, "Anonymous:") == 0)
596 if (number != 0 && (strcmp (keyword, "Shared_Dirty:") == 0
597 || strcmp (keyword, "Private_Dirty:") == 0
598 || strcmp (keyword, "Swap:") == 0
599 || strcmp (keyword, "Anonymous:") == 0))
603 /* Older Linux kernels did not support the "Anonymous:" counter.
604 If it is missing, we can't be sure - dump all the pages. */
608 /* Invoke the callback function to create the corefile segment. */
609 func (addr, endaddr - addr, read, write, exec, modified, obfd);
612 do_cleanups (cleanup);
619 /* Determine which signal stopped execution. */
622 find_signalled_thread (struct thread_info *info, void *data)
624 if (info->suspend.stop_signal != GDB_SIGNAL_0
625 && ptid_get_pid (info->ptid) == ptid_get_pid (inferior_ptid))
631 static enum gdb_signal
632 find_stop_signal (void)
634 struct thread_info *info =
635 iterate_over_threads (find_signalled_thread, NULL);
638 return info->suspend.stop_signal;
643 /* Generate corefile notes for SPU contexts. */
646 linux_spu_make_corefile_notes (bfd *obfd, char *note_data, int *note_size)
648 static const char *spu_files[] =
670 enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch ());
674 /* Determine list of SPU ids. */
675 size = target_read_alloc (¤t_target, TARGET_OBJECT_SPU,
678 /* Generate corefile notes for each SPU file. */
679 for (i = 0; i < size; i += 4)
681 int fd = extract_unsigned_integer (spu_ids + i, 4, byte_order);
683 for (j = 0; j < sizeof (spu_files) / sizeof (spu_files[0]); j++)
685 char annex[32], note_name[32];
689 xsnprintf (annex, sizeof annex, "%d/%s", fd, spu_files[j]);
690 spu_len = target_read_alloc (¤t_target, TARGET_OBJECT_SPU,
694 xsnprintf (note_name, sizeof note_name, "SPU/%s", annex);
695 note_data = elfcore_write_note (obfd, note_data, note_size,
715 /* Records the thread's register state for the corefile note
719 linux_collect_thread_registers (const struct regcache *regcache,
720 ptid_t ptid, bfd *obfd,
721 char *note_data, int *note_size,
722 enum gdb_signal stop_signal)
724 struct gdbarch *gdbarch = get_regcache_arch (regcache);
725 struct core_regset_section *sect_list;
728 sect_list = gdbarch_core_regset_sections (gdbarch);
729 gdb_assert (sect_list);
731 /* For remote targets the LWP may not be available, so use the TID. */
732 lwp = ptid_get_lwp (ptid);
734 lwp = ptid_get_tid (ptid);
736 while (sect_list->sect_name != NULL)
738 const struct regset *regset;
741 regset = gdbarch_regset_from_core_section (gdbarch,
742 sect_list->sect_name,
744 gdb_assert (regset && regset->collect_regset);
746 buf = xmalloc (sect_list->size);
747 regset->collect_regset (regset, regcache, -1, buf, sect_list->size);
749 /* PRSTATUS still needs to be treated specially. */
750 if (strcmp (sect_list->sect_name, ".reg") == 0)
751 note_data = (char *) elfcore_write_prstatus
752 (obfd, note_data, note_size, lwp,
753 gdb_signal_to_host (stop_signal), buf);
755 note_data = (char *) elfcore_write_register_note
756 (obfd, note_data, note_size,
757 sect_list->sect_name, buf, sect_list->size);
768 /* Fetch the siginfo data for the current thread, if it exists. If
769 there is no data, or we could not read it, return NULL. Otherwise,
770 return a newly malloc'd buffer holding the data and fill in *SIZE
771 with the size of the data. The caller is responsible for freeing
775 linux_get_siginfo_data (struct gdbarch *gdbarch, LONGEST *size)
777 struct type *siginfo_type;
780 struct cleanup *cleanups;
782 if (!gdbarch_get_siginfo_type_p (gdbarch))
785 siginfo_type = gdbarch_get_siginfo_type (gdbarch);
787 buf = xmalloc (TYPE_LENGTH (siginfo_type));
788 cleanups = make_cleanup (xfree, buf);
790 bytes_read = target_read (¤t_target, TARGET_OBJECT_SIGNAL_INFO, NULL,
791 buf, 0, TYPE_LENGTH (siginfo_type));
792 if (bytes_read == TYPE_LENGTH (siginfo_type))
794 discard_cleanups (cleanups);
799 do_cleanups (cleanups);
806 struct linux_corefile_thread_data
808 struct gdbarch *gdbarch;
814 enum gdb_signal stop_signal;
815 linux_collect_thread_registers_ftype collect;
818 /* Called by gdbthread.c once per thread. Records the thread's
819 register state for the corefile note section. */
822 linux_corefile_thread_callback (struct thread_info *info, void *data)
824 struct linux_corefile_thread_data *args = data;
826 if (ptid_get_pid (info->ptid) == args->pid)
828 struct cleanup *old_chain;
829 struct regcache *regcache;
830 gdb_byte *siginfo_data;
831 LONGEST siginfo_size;
833 regcache = get_thread_arch_regcache (info->ptid, args->gdbarch);
835 old_chain = save_inferior_ptid ();
836 inferior_ptid = info->ptid;
837 target_fetch_registers (regcache, -1);
838 siginfo_data = linux_get_siginfo_data (args->gdbarch, &siginfo_size);
839 do_cleanups (old_chain);
841 old_chain = make_cleanup (xfree, siginfo_data);
843 args->note_data = args->collect (regcache, info->ptid, args->obfd,
844 args->note_data, args->note_size,
848 if (siginfo_data != NULL)
850 args->note_data = elfcore_write_note (args->obfd,
854 siginfo_data, siginfo_size);
858 do_cleanups (old_chain);
861 return !args->note_data;
864 /* Fills the "to_make_corefile_note" target vector. Builds the note
865 section for a corefile, and returns it in a malloc buffer. */
868 linux_make_corefile_notes (struct gdbarch *gdbarch, bfd *obfd, int *note_size,
869 linux_collect_thread_registers_ftype collect)
871 struct linux_corefile_thread_data thread_args;
872 char *note_data = NULL;
876 /* Process information. */
877 if (get_exec_file (0))
879 const char *fname = lbasename (get_exec_file (0));
880 char *psargs = xstrdup (fname);
882 if (get_inferior_args ())
883 psargs = reconcat (psargs, psargs, " ", get_inferior_args (),
886 note_data = elfcore_write_prpsinfo (obfd, note_data, note_size,
894 /* Thread register information. */
895 thread_args.gdbarch = gdbarch;
896 thread_args.pid = ptid_get_pid (inferior_ptid);
897 thread_args.obfd = obfd;
898 thread_args.note_data = note_data;
899 thread_args.note_size = note_size;
900 thread_args.num_notes = 0;
901 thread_args.stop_signal = find_stop_signal ();
902 thread_args.collect = collect;
903 iterate_over_threads (linux_corefile_thread_callback, &thread_args);
904 note_data = thread_args.note_data;
908 /* Auxillary vector. */
909 auxv_len = target_read_alloc (¤t_target, TARGET_OBJECT_AUXV,
913 note_data = elfcore_write_note (obfd, note_data, note_size,
914 "CORE", NT_AUXV, auxv, auxv_len);
921 /* SPU information. */
922 note_data = linux_spu_make_corefile_notes (obfd, note_data, note_size);
926 make_cleanup (xfree, note_data);
931 linux_make_corefile_notes_1 (struct gdbarch *gdbarch, bfd *obfd, int *note_size)
933 /* FIXME: uweigand/2011-10-06: Once all GNU/Linux architectures have been
934 converted to gdbarch_core_regset_sections, we no longer need to fall back
935 to the target method at this point. */
937 if (!gdbarch_core_regset_sections (gdbarch))
938 return target_make_corefile_notes (obfd, note_size);
940 return linux_make_corefile_notes (gdbarch, obfd, note_size,
941 linux_collect_thread_registers);
944 /* To be called from the various GDB_OSABI_LINUX handlers for the
945 various GNU/Linux architectures and machine types. */
948 linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
950 set_gdbarch_core_pid_to_str (gdbarch, linux_core_pid_to_str);
951 set_gdbarch_info_proc (gdbarch, linux_info_proc);
952 set_gdbarch_find_memory_regions (gdbarch, linux_find_memory_regions);
953 set_gdbarch_make_corefile_notes (gdbarch, linux_make_corefile_notes_1);
954 set_gdbarch_has_shared_address_space (gdbarch,
955 linux_has_shared_address_space);
958 /* Provide a prototype to silence -Wmissing-prototypes. */
959 extern initialize_file_ftype _initialize_linux_tdep;
962 _initialize_linux_tdep (void)
964 linux_gdbarch_data_handle =
965 gdbarch_data_register_post_init (init_linux_gdbarch_data);