| 1 | /* GNU/Linux specific methods for using the /proc file system. |
| 2 | |
| 3 | Copyright 2001, 2002 Free Software Foundation, Inc. |
| 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" |
| 23 | #include "inferior.h" |
| 24 | #include <sys/param.h> /* for MAXPATHLEN */ |
| 25 | #include <sys/procfs.h> /* for elf_gregset etc. */ |
| 26 | #include <sys/stat.h> /* for struct stat */ |
| 27 | #include <ctype.h> /* for isdigit */ |
| 28 | #include "regcache.h" /* for registers_changed */ |
| 29 | #include "gregset.h" /* for gregset */ |
| 30 | #include "gdbcore.h" /* for get_exec_file */ |
| 31 | #include "gdbthread.h" /* for struct thread_info etc. */ |
| 32 | #include "elf-bfd.h" /* for elfcore_write_* */ |
| 33 | #include "cli/cli-decode.h" /* for add_info */ |
| 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 | */ |
| 41 | |
| 42 | char * |
| 43 | child_pid_to_exec_file (int pid) |
| 44 | { |
| 45 | char *name1, *name2; |
| 46 | |
| 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; |
| 58 | } |
| 59 | |
| 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 | { |
| 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); |
| 88 | } |
| 89 | else |
| 90 | { |
| 91 | filename[0] = '\0'; /* no filename */ |
| 92 | fscanf (mapfile, "\n"); |
| 93 | } |
| 94 | return (ret != 0 && ret != EOF); |
| 95 | } |
| 96 | |
| 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); |
| 111 | char mapsfilename[MAXPATHLEN]; |
| 112 | FILE *mapsfile; |
| 113 | long long addr, endaddr, size, offset, inode; |
| 114 | char permissions[8], device[8], filename[MAXPATHLEN]; |
| 115 | int read, write, exec; |
| 116 | int ret; |
| 117 | |
| 118 | /* Compose the filename for the /proc memory map, and open it. */ |
| 119 | sprintf (mapsfilename, "/proc/%lld/maps", pid); |
| 120 | if ((mapsfile = fopen (mapsfilename, "r")) == NULL) |
| 121 | error ("Could not open %s\n", mapsfilename); |
| 122 | |
| 123 | if (info_verbose) |
| 124 | fprintf_filtered (gdb_stdout, |
| 125 | "Reading memory regions from %s\n", mapsfilename); |
| 126 | |
| 127 | /* Now iterate until end-of-file. */ |
| 128 | while (read_mapping (mapsfile, &addr, &endaddr, &permissions[0], |
| 129 | &offset, &device[0], &inode, &filename[0])) |
| 130 | { |
| 131 | size = endaddr - addr; |
| 132 | |
| 133 | /* Get the segment's permissions. */ |
| 134 | read = (strchr (permissions, 'r') != 0); |
| 135 | write = (strchr (permissions, 'w') != 0); |
| 136 | exec = (strchr (permissions, 'x') != 0); |
| 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); |
| 154 | } |
| 155 | fclose (mapsfile); |
| 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; |
| 170 | #ifdef FILL_FPXREGSET |
| 171 | gdb_fpxregset_t fpxregs; |
| 172 | #endif |
| 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)); |
| 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 |
| 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 | |
| 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 | |
| 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); |
| 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."); |
| 574 | } |