Commit | Line | Data |
---|---|---|
ca557f44 AC |
1 | /* GNU/Linux specific methods for using the /proc file system. |
2 | ||
be4d1333 | 3 | Copyright 2001, 2002 Free Software Foundation, Inc. |
4b09dc8c MS |
4 | |
5 | This file is part of GDB. | |
6 | ||
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 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
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. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | #include "defs.h" | |
be4d1333 | 23 | #include "inferior.h" |
4b09dc8c | 24 | #include <sys/param.h> /* for MAXPATHLEN */ |
2bf543a6 MS |
25 | #include <sys/procfs.h> /* for elf_gregset etc. */ |
26 | #include <sys/stat.h> /* for struct stat */ | |
27 | #include <ctype.h> /* for isdigit */ | |
1e4d76e7 | 28 | #include "regcache.h" /* for registers_changed */ |
be4d1333 MS |
29 | #include "gregset.h" /* for gregset */ |
30 | #include "gdbcore.h" /* for get_exec_file */ | |
31 | #include "gdbthread.h" /* for struct thread_info etc. */ | |
2bf543a6 MS |
32 | #include "elf-bfd.h" /* for elfcore_write_* */ |
33 | #include "cli/cli-decode.h" /* for add_info */ | |
be4d1333 MS |
34 | |
35 | /* Function: child_pid_to_exec_file | |
36 | * | |
37 | * Accepts an integer pid | |
38 | * Returns a string representing a file that can be opened | |
39 | * to get the symbols for the child process. | |
40 | */ | |
4b09dc8c MS |
41 | |
42 | char * | |
43 | child_pid_to_exec_file (int pid) | |
44 | { | |
145fdc6e | 45 | char *name1, *name2; |
4b09dc8c | 46 | |
145fdc6e MS |
47 | name1 = xmalloc (MAXPATHLEN); |
48 | name2 = xmalloc (MAXPATHLEN); | |
49 | make_cleanup (xfree, name1); | |
50 | make_cleanup (xfree, name2); | |
51 | memset (name2, 0, MAXPATHLEN); | |
52 | ||
53 | sprintf (name1, "/proc/%d/exe", pid); | |
54 | if (readlink (name1, name2, MAXPATHLEN) > 0) | |
55 | return name2; | |
56 | else | |
57 | return name1; | |
4b09dc8c | 58 | } |
be4d1333 | 59 | |
2bf543a6 MS |
60 | /* Function: read_mappings |
61 | * | |
62 | * Service function for corefiles and info proc. | |
63 | */ | |
64 | ||
65 | static int | |
66 | read_mapping (FILE *mapfile, | |
67 | long long *addr, | |
68 | long long *endaddr, | |
69 | char *permissions, | |
70 | long long *offset, | |
71 | char *device, | |
72 | long long *inode, | |
73 | char *filename) | |
74 | { | |
75 | int ret = fscanf (mapfile, "%llx-%llx %s %llx %s %llx", | |
76 | addr, endaddr, permissions, offset, device, inode); | |
77 | ||
78 | if (ret > 0 && ret != EOF && *inode != 0) | |
79 | { | |
ee677e8d MS |
80 | /* Eat everything up to EOL for the filename. This will prevent |
81 | weird filenames (such as one with embedded whitespace) from | |
82 | confusing this code. It also makes this code more robust | |
83 | in respect to annotations the kernel may add after the | |
84 | filename. | |
85 | ||
86 | Note the filename is used for informational purposes only. */ | |
87 | ret += fscanf (mapfile, "%[^\n]\n", filename); | |
2bf543a6 MS |
88 | } |
89 | else | |
90 | { | |
91 | filename[0] = '\0'; /* no filename */ | |
92 | fscanf (mapfile, "\n"); | |
93 | } | |
94 | return (ret != 0 && ret != EOF); | |
95 | } | |
96 | ||
be4d1333 MS |
97 | /* Function: linux_find_memory_regions |
98 | * | |
99 | * Fills the "to_find_memory_regions" target vector. | |
100 | * Lists the memory regions in the inferior for a corefile. | |
101 | */ | |
102 | ||
103 | static int | |
104 | linux_find_memory_regions (int (*func) (CORE_ADDR, | |
105 | unsigned long, | |
106 | int, int, int, | |
107 | void *), | |
108 | void *obfd) | |
109 | { | |
110 | long long pid = PIDGET (inferior_ptid); | |
2bf543a6 MS |
111 | char mapsfilename[MAXPATHLEN]; |
112 | FILE *mapsfile; | |
be4d1333 | 113 | long long addr, endaddr, size, offset, inode; |
2bf543a6 | 114 | char permissions[8], device[8], filename[MAXPATHLEN]; |
be4d1333 MS |
115 | int read, write, exec; |
116 | int ret; | |
117 | ||
118 | /* Compose the filename for the /proc memory map, and open it. */ | |
2bf543a6 MS |
119 | sprintf (mapsfilename, "/proc/%lld/maps", pid); |
120 | if ((mapsfile = fopen (mapsfilename, "r")) == NULL) | |
121 | error ("Could not open %s\n", mapsfilename); | |
be4d1333 MS |
122 | |
123 | if (info_verbose) | |
124 | fprintf_filtered (gdb_stdout, | |
2bf543a6 | 125 | "Reading memory regions from %s\n", mapsfilename); |
be4d1333 MS |
126 | |
127 | /* Now iterate until end-of-file. */ | |
2bf543a6 MS |
128 | while (read_mapping (mapsfile, &addr, &endaddr, &permissions[0], |
129 | &offset, &device[0], &inode, &filename[0])) | |
be4d1333 MS |
130 | { |
131 | size = endaddr - addr; | |
132 | ||
133 | /* Get the segment's permissions. */ | |
2bf543a6 MS |
134 | read = (strchr (permissions, 'r') != 0); |
135 | write = (strchr (permissions, 'w') != 0); | |
136 | exec = (strchr (permissions, 'x') != 0); | |
be4d1333 MS |
137 | |
138 | if (info_verbose) | |
139 | { | |
140 | fprintf_filtered (gdb_stdout, | |
141 | "Save segment, %lld bytes at 0x%s (%c%c%c)", | |
142 | size, paddr_nz (addr), | |
143 | read ? 'r' : ' ', | |
144 | write ? 'w' : ' ', | |
145 | exec ? 'x' : ' '); | |
146 | if (filename && filename[0]) | |
147 | fprintf_filtered (gdb_stdout, | |
148 | " for %s", filename); | |
149 | fprintf_filtered (gdb_stdout, "\n"); | |
150 | } | |
151 | ||
152 | /* Invoke the callback function to create the corefile segment. */ | |
153 | func (addr, size, read, write, exec, obfd); | |
be4d1333 | 154 | } |
2bf543a6 | 155 | fclose (mapsfile); |
be4d1333 MS |
156 | return 0; |
157 | } | |
158 | ||
159 | /* Function: linux_do_thread_registers | |
160 | * | |
161 | * Records the thread's register state for the corefile note section. | |
162 | */ | |
163 | ||
164 | static char * | |
165 | linux_do_thread_registers (bfd *obfd, ptid_t ptid, | |
166 | char *note_data, int *note_size) | |
167 | { | |
168 | gdb_gregset_t gregs; | |
169 | gdb_fpregset_t fpregs; | |
32872fa7 DJ |
170 | #ifdef FILL_FPXREGSET |
171 | gdb_fpxregset_t fpxregs; | |
172 | #endif | |
be4d1333 MS |
173 | unsigned long merged_pid = ptid_get_tid (ptid) << 16 | ptid_get_pid (ptid); |
174 | ||
175 | fill_gregset (&gregs, -1); | |
176 | note_data = (char *) elfcore_write_prstatus (obfd, | |
177 | note_data, | |
178 | note_size, | |
179 | merged_pid, | |
180 | stop_signal, | |
181 | &gregs); | |
182 | ||
183 | fill_fpregset (&fpregs, -1); | |
184 | note_data = (char *) elfcore_write_prfpreg (obfd, | |
185 | note_data, | |
186 | note_size, | |
187 | &fpregs, | |
188 | sizeof (fpregs)); | |
32872fa7 DJ |
189 | #ifdef FILL_FPXREGSET |
190 | fill_fpxregset (&fpxregs, -1); | |
191 | note_data = (char *) elfcore_write_prxfpreg (obfd, | |
192 | note_data, | |
193 | note_size, | |
194 | &fpxregs, | |
195 | sizeof (fpxregs)); | |
196 | #endif | |
be4d1333 MS |
197 | return note_data; |
198 | } | |
199 | ||
200 | struct linux_corefile_thread_data { | |
201 | bfd *obfd; | |
202 | char *note_data; | |
203 | int *note_size; | |
204 | }; | |
205 | ||
206 | /* Function: linux_corefile_thread_callback | |
207 | * | |
208 | * Called by gdbthread.c once per thread. | |
209 | * Records the thread's register state for the corefile note section. | |
210 | */ | |
211 | ||
212 | static int | |
213 | linux_corefile_thread_callback (struct thread_info *ti, void *data) | |
214 | { | |
215 | struct linux_corefile_thread_data *args = data; | |
216 | ptid_t saved_ptid = inferior_ptid; | |
217 | ||
218 | inferior_ptid = ti->ptid; | |
219 | registers_changed (); | |
220 | target_fetch_registers (-1); /* FIXME should not be necessary; | |
221 | fill_gregset should do it automatically. */ | |
222 | args->note_data = linux_do_thread_registers (args->obfd, | |
223 | ti->ptid, | |
224 | args->note_data, | |
225 | args->note_size); | |
226 | inferior_ptid = saved_ptid; | |
227 | registers_changed (); | |
228 | target_fetch_registers (-1); /* FIXME should not be necessary; | |
229 | fill_gregset should do it automatically. */ | |
230 | return 0; | |
231 | } | |
232 | ||
233 | /* Function: linux_make_note_section | |
234 | * | |
235 | * Fills the "to_make_corefile_note" target vector. | |
236 | * Builds the note section for a corefile, and returns it | |
237 | * in a malloc buffer. | |
238 | */ | |
239 | ||
240 | static char * | |
241 | linux_make_note_section (bfd *obfd, int *note_size) | |
242 | { | |
243 | struct linux_corefile_thread_data thread_args; | |
244 | struct cleanup *old_chain; | |
245 | char fname[16] = {'\0'}; | |
246 | char psargs[80] = {'\0'}; | |
247 | char *note_data = NULL; | |
248 | ptid_t current_ptid = inferior_ptid; | |
249 | ||
250 | if (get_exec_file (0)) | |
251 | { | |
252 | strncpy (fname, strrchr (get_exec_file (0), '/') + 1, sizeof (fname)); | |
253 | strncpy (psargs, get_exec_file (0), | |
254 | sizeof (psargs)); | |
255 | if (get_inferior_args ()) | |
256 | { | |
257 | strncat (psargs, " ", | |
258 | sizeof (psargs) - strlen (psargs)); | |
259 | strncat (psargs, get_inferior_args (), | |
260 | sizeof (psargs) - strlen (psargs)); | |
261 | } | |
262 | note_data = (char *) elfcore_write_prpsinfo (obfd, | |
263 | note_data, | |
264 | note_size, | |
265 | fname, | |
266 | psargs); | |
267 | } | |
268 | ||
269 | /* Dump information for threads. */ | |
270 | thread_args.obfd = obfd; | |
271 | thread_args.note_data = note_data; | |
272 | thread_args.note_size = note_size; | |
273 | iterate_over_threads (linux_corefile_thread_callback, &thread_args); | |
274 | if (thread_args.note_data == note_data) | |
275 | { | |
276 | /* iterate_over_threads didn't come up with any threads; | |
277 | just use inferior_ptid. */ | |
278 | note_data = linux_do_thread_registers (obfd, inferior_ptid, | |
279 | note_data, note_size); | |
280 | } | |
281 | else | |
282 | { | |
283 | note_data = thread_args.note_data; | |
284 | } | |
285 | ||
286 | make_cleanup (xfree, note_data); | |
287 | return note_data; | |
288 | } | |
289 | ||
2bf543a6 MS |
290 | /* |
291 | * Function: linux_info_proc_cmd | |
292 | * | |
293 | * Implement the "info proc" command. | |
294 | */ | |
295 | ||
296 | static void | |
297 | linux_info_proc_cmd (char *args, int from_tty) | |
298 | { | |
299 | long long pid = PIDGET (inferior_ptid); | |
300 | FILE *procfile; | |
301 | char **argv = NULL; | |
302 | char buffer[MAXPATHLEN]; | |
303 | char fname1[MAXPATHLEN], fname2[MAXPATHLEN]; | |
304 | int cmdline_f = 1; | |
305 | int cwd_f = 1; | |
306 | int exe_f = 1; | |
307 | int mappings_f = 0; | |
308 | int environ_f = 0; | |
309 | int status_f = 0; | |
310 | int stat_f = 0; | |
311 | int all = 0; | |
312 | struct stat dummy; | |
313 | ||
314 | if (args) | |
315 | { | |
316 | /* Break up 'args' into an argv array. */ | |
317 | if ((argv = buildargv (args)) == NULL) | |
318 | nomem (0); | |
319 | else | |
320 | make_cleanup_freeargv (argv); | |
321 | } | |
322 | while (argv != NULL && *argv != NULL) | |
323 | { | |
324 | if (isdigit (argv[0][0])) | |
325 | { | |
326 | pid = strtoul (argv[0], NULL, 10); | |
327 | } | |
328 | else if (strncmp (argv[0], "mappings", strlen (argv[0])) == 0) | |
329 | { | |
330 | mappings_f = 1; | |
331 | } | |
332 | else if (strcmp (argv[0], "status") == 0) | |
333 | { | |
334 | status_f = 1; | |
335 | } | |
336 | else if (strcmp (argv[0], "stat") == 0) | |
337 | { | |
338 | stat_f = 1; | |
339 | } | |
340 | else if (strcmp (argv[0], "cmd") == 0) | |
341 | { | |
342 | cmdline_f = 1; | |
343 | } | |
344 | else if (strncmp (argv[0], "exe", strlen (argv[0])) == 0) | |
345 | { | |
346 | exe_f = 1; | |
347 | } | |
348 | else if (strcmp (argv[0], "cwd") == 0) | |
349 | { | |
350 | cwd_f = 1; | |
351 | } | |
352 | else if (strncmp (argv[0], "all", strlen (argv[0])) == 0) | |
353 | { | |
354 | all = 1; | |
355 | } | |
356 | else | |
357 | { | |
358 | /* [...] (future options here) */ | |
359 | } | |
360 | argv++; | |
361 | } | |
362 | if (pid == 0) | |
363 | error ("No current process: you must name one."); | |
364 | ||
365 | sprintf (fname1, "/proc/%lld", pid); | |
366 | if (stat (fname1, &dummy) != 0) | |
367 | error ("No /proc directory: '%s'", fname1); | |
368 | ||
369 | printf_filtered ("process %lld\n", pid); | |
370 | if (cmdline_f || all) | |
371 | { | |
372 | sprintf (fname1, "/proc/%lld/cmdline", pid); | |
373 | if ((procfile = fopen (fname1, "r")) > 0) | |
374 | { | |
375 | fgets (buffer, sizeof (buffer), procfile); | |
376 | printf_filtered ("cmdline = '%s'\n", buffer); | |
377 | fclose (procfile); | |
378 | } | |
379 | else | |
380 | warning ("unable to open /proc file '%s'", fname1); | |
381 | } | |
382 | if (cwd_f || all) | |
383 | { | |
384 | sprintf (fname1, "/proc/%lld/cwd", pid); | |
385 | memset (fname2, 0, sizeof (fname2)); | |
386 | if (readlink (fname1, fname2, sizeof (fname2)) > 0) | |
387 | printf_filtered ("cwd = '%s'\n", fname2); | |
388 | else | |
389 | warning ("unable to read link '%s'", fname1); | |
390 | } | |
391 | if (exe_f || all) | |
392 | { | |
393 | sprintf (fname1, "/proc/%lld/exe", pid); | |
394 | memset (fname2, 0, sizeof (fname2)); | |
395 | if (readlink (fname1, fname2, sizeof (fname2)) > 0) | |
396 | printf_filtered ("exe = '%s'\n", fname2); | |
397 | else | |
398 | warning ("unable to read link '%s'", fname1); | |
399 | } | |
400 | if (mappings_f || all) | |
401 | { | |
402 | sprintf (fname1, "/proc/%lld/maps", pid); | |
403 | if ((procfile = fopen (fname1, "r")) > 0) | |
404 | { | |
405 | long long addr, endaddr, size, offset, inode; | |
406 | char permissions[8], device[8], filename[MAXPATHLEN]; | |
407 | char *header_fmt_string, *data_fmt_string; | |
408 | ||
409 | if (TARGET_ADDR_BIT == 32) | |
410 | { | |
411 | header_fmt_string = "\t%10s %10s %10s %10s %7s\n"; | |
412 | data_fmt_string = "\t%#10lx %#10lx %#10x %#10x %7s\n"; | |
413 | } | |
414 | else | |
415 | { | |
416 | header_fmt_string = " %18s %18s %10s %10s %7s\n"; | |
417 | data_fmt_string = " %#18lx %#18lx %#10x %#10x %7s\n"; | |
418 | } | |
419 | ||
420 | printf_filtered ("Mapped address spaces:\n\n"); | |
421 | printf_filtered (header_fmt_string, | |
422 | "Start Addr", | |
423 | " End Addr", | |
424 | " Size", | |
425 | " Offset", | |
426 | "objfile"); | |
427 | ||
428 | while (read_mapping (procfile, &addr, &endaddr, &permissions[0], | |
429 | &offset, &device[0], &inode, &filename[0])) | |
430 | { | |
431 | size = endaddr - addr; | |
432 | printf_filtered (data_fmt_string, | |
433 | (unsigned long) addr, /* FIXME: pr_addr */ | |
434 | (unsigned long) endaddr, | |
435 | (int) size, | |
436 | (unsigned int) offset, | |
437 | filename[0] ? filename : ""); | |
438 | ||
439 | } | |
440 | ||
441 | fclose (procfile); | |
442 | } | |
443 | else | |
444 | warning ("unable to open /proc file '%s'", fname1); | |
445 | } | |
446 | if (status_f || all) | |
447 | { | |
448 | sprintf (fname1, "/proc/%lld/status", pid); | |
449 | if ((procfile = fopen (fname1, "r")) > 0) | |
450 | { | |
451 | while (fgets (buffer, sizeof (buffer), procfile) != NULL) | |
452 | printf_filtered (buffer); | |
453 | fclose (procfile); | |
454 | } | |
455 | else | |
456 | warning ("unable to open /proc file '%s'", fname1); | |
457 | } | |
458 | if (stat_f || all) | |
459 | { | |
460 | sprintf (fname1, "/proc/%lld/stat", pid); | |
461 | if ((procfile = fopen (fname1, "r")) > 0) | |
462 | { | |
463 | int itmp; | |
464 | char ctmp; | |
465 | ||
466 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
467 | printf_filtered ("Process: %d\n", itmp); | |
468 | if (fscanf (procfile, "%s ", &buffer[0]) > 0) | |
469 | printf_filtered ("Exec file: %s\n", buffer); | |
470 | if (fscanf (procfile, "%c ", &ctmp) > 0) | |
471 | printf_filtered ("State: %c\n", ctmp); | |
472 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
473 | printf_filtered ("Parent process: %d\n", itmp); | |
474 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
475 | printf_filtered ("Process group: %d\n", itmp); | |
476 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
477 | printf_filtered ("Session id: %d\n", itmp); | |
478 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
479 | printf_filtered ("TTY: %d\n", itmp); | |
480 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
481 | printf_filtered ("TTY owner process group: %d\n", itmp); | |
482 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
483 | printf_filtered ("Flags: 0x%x\n", itmp); | |
484 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
485 | printf_filtered ("Minor faults (no memory page): %u\n", | |
486 | (unsigned int) itmp); | |
487 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
488 | printf_filtered ("Minor faults, children: %u\n", | |
489 | (unsigned int) itmp); | |
490 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
491 | printf_filtered ("Major faults (memory page faults): %u\n", | |
492 | (unsigned int) itmp); | |
493 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
494 | printf_filtered ("Major faults, children: %u\n", | |
495 | (unsigned int) itmp); | |
496 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
497 | printf_filtered ("utime: %d\n", itmp); | |
498 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
499 | printf_filtered ("stime: %d\n", itmp); | |
500 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
501 | printf_filtered ("utime, children: %d\n", itmp); | |
502 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
503 | printf_filtered ("stime, children: %d\n", itmp); | |
504 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
505 | printf_filtered ("jiffies remaining in current time slice: %d\n", | |
506 | itmp); | |
507 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
508 | printf_filtered ("'nice' value: %d\n", itmp); | |
509 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
510 | printf_filtered ("jiffies until next timeout: %u\n", | |
511 | (unsigned int) itmp); | |
512 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
513 | printf_filtered ("jiffies until next SIGALRM: %u\n", | |
514 | (unsigned int) itmp); | |
515 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
516 | printf_filtered ("start time (jiffies since system boot): %d\n", | |
517 | itmp); | |
518 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
519 | printf_filtered ("Virtual memory size: %u\n", | |
520 | (unsigned int) itmp); | |
521 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
522 | printf_filtered ("Resident set size: %u\n", | |
523 | (unsigned int) itmp); | |
524 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
525 | printf_filtered ("rlim: %u\n", | |
526 | (unsigned int) itmp); | |
527 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
528 | printf_filtered ("Start of text: 0x%x\n", itmp); | |
529 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
530 | printf_filtered ("End of text: 0x%x\n", itmp); | |
531 | if (fscanf (procfile, "%u ", &itmp) > 0) | |
532 | printf_filtered ("Start of stack: 0x%x\n", itmp); | |
533 | #if 0 /* Don't know how architecture-dependent the rest is... | |
534 | Anyway the signal bitmap info is available from "status". */ | |
535 | if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */ | |
536 | printf_filtered ("Kernel stack pointer: 0x%x\n", itmp); | |
537 | if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */ | |
538 | printf_filtered ("Kernel instr pointer: 0x%x\n", itmp); | |
539 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
540 | printf_filtered ("Pending signals bitmap: 0x%x\n", itmp); | |
541 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
542 | printf_filtered ("Blocked signals bitmap: 0x%x\n", itmp); | |
543 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
544 | printf_filtered ("Ignored signals bitmap: 0x%x\n", itmp); | |
545 | if (fscanf (procfile, "%d ", &itmp) > 0) | |
546 | printf_filtered ("Catched signals bitmap: 0x%x\n", itmp); | |
547 | if (fscanf (procfile, "%u ", &itmp) > 0) /* FIXME arch? */ | |
548 | printf_filtered ("wchan (system call): 0x%x\n", itmp); | |
549 | #endif | |
550 | fclose (procfile); | |
551 | } | |
552 | else | |
553 | warning ("unable to open /proc file '%s'", fname1); | |
554 | } | |
555 | } | |
556 | ||
be4d1333 MS |
557 | void |
558 | _initialize_linux_proc (void) | |
559 | { | |
560 | extern void inftarg_set_find_memory_regions (); | |
561 | extern void inftarg_set_make_corefile_notes (); | |
562 | ||
563 | inftarg_set_find_memory_regions (linux_find_memory_regions); | |
564 | inftarg_set_make_corefile_notes (linux_make_note_section); | |
2bf543a6 MS |
565 | |
566 | add_info ("proc", linux_info_proc_cmd, | |
567 | "Show /proc process information about any running process.\n\ | |
568 | Specify any process id, or use the program being debugged by default.\n\ | |
569 | Specify any of the following keywords for detailed info:\n\ | |
570 | mappings -- list of mapped memory regions.\n\ | |
571 | stat -- list a bunch of random process info.\n\ | |
572 | status -- list a different bunch of random process info.\n\ | |
573 | all -- list all available /proc info."); | |
be4d1333 | 574 | } |