Annotation of src/usr.bin/kdump/kdump.c, Revision 1.88
1.88 ! guenther 1: /* $OpenBSD: kdump.c,v 1.87 2014/08/17 22:25:53 guenther Exp $ */
1.4 deraadt 2:
1.1 deraadt 3: /*-
4: * Copyright (c) 1988, 1993
5: * The Regents of the University of California. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
1.21 millert 15: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 16: * may be used to endorse or promote products derived from this software
17: * without specific prior written permission.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
31:
32: #include <sys/param.h>
33: #include <sys/time.h>
34: #include <sys/uio.h>
35: #include <sys/ktrace.h>
36: #include <sys/ioctl.h>
1.62 otto 37: #include <sys/malloc.h>
38: #include <sys/namei.h>
1.1 deraadt 39: #include <sys/ptrace.h>
1.62 otto 40: #include <sys/sem.h>
41: #include <sys/shm.h>
1.51 otto 42: #include <sys/socket.h>
1.28 deraadt 43: #include <sys/sysctl.h>
1.63 deraadt 44: #include <sys/siginfo.h>
1.62 otto 45: #include <sys/vmmeter.h>
46: #include <sys/tty.h>
1.82 guenther 47: #include <sys/wait.h>
1.1 deraadt 48: #define _KERNEL
1.84 guenther 49: #include <errno.h>
1.1 deraadt 50: #undef _KERNEL
1.62 otto 51: #include <ddb/db_var.h>
52: #include <machine/cpu.h>
1.1 deraadt 53:
1.33 tedu 54: #include <ctype.h>
1.1 deraadt 55: #include <err.h>
1.61 matthew 56: #include <fcntl.h>
1.64 guenther 57: #include <limits.h>
1.77 guenther 58: #include <poll.h>
1.1 deraadt 59: #include <signal.h>
60: #include <stdio.h>
61: #include <stdlib.h>
1.55 otto 62: #include <stdint.h>
1.1 deraadt 63: #include <string.h>
64: #include <unistd.h>
65: #include <vis.h>
66:
67: #include "ktrace.h"
1.22 deraadt 68: #include "kdump.h"
1.51 otto 69: #include "kdump_subr.h"
1.12 espie 70: #include "extern.h"
1.1 deraadt 71:
1.67 mikeb 72: int timestamp, decimal, iohex, fancy = 1, maxdata = INT_MAX;
73: int needtid, resolv, tail;
1.1 deraadt 74: char *tracefile = DEF_TRACEFILE;
75: struct ktr_header ktr_header;
1.85 guenther 76: pid_t pid_opt = -1;
1.1 deraadt 77:
78: #define eqs(s1, s2) (strcmp((s1), (s2)) == 0)
79:
80: #include <sys/syscall.h>
81:
1.25 mickey 82: #include <compat/linux/linux_syscall.h>
1.1 deraadt 83:
84: #define KTRACE
1.19 mickey 85: #define PTRACE
1.7 deraadt 86: #define NFSCLIENT
87: #define NFSSERVER
88: #define SYSVSEM
89: #define SYSVMSG
90: #define SYSVSHM
91: #define LFS
1.25 mickey 92: #include <kern/syscalls.c>
1.1 deraadt 93:
1.25 mickey 94: #include <compat/linux/linux_syscalls.c>
1.1 deraadt 95: #undef KTRACE
1.19 mickey 96: #undef PTRACE
1.7 deraadt 97: #undef NFSCLIENT
98: #undef NFSSERVER
99: #undef SYSVSEM
100: #undef SYSVMSG
101: #undef SYSVSHM
102: #undef LFS
1.1 deraadt 103:
104: struct emulation {
105: char *name; /* Emulation name */
106: char **sysnames; /* Array of system call names */
107: int nsysnames; /* Number of */
108: };
109:
110: static struct emulation emulations[] = {
1.9 deraadt 111: { "native", syscallnames, SYS_MAXSYSCALL },
112: { "linux", linux_syscallnames, LINUX_SYS_MAXSYSCALL },
1.49 miod 113: { NULL, NULL, 0 }
1.1 deraadt 114: };
115:
1.59 otto 116: static struct emulation *current;
1.60 otto 117: static struct emulation *def_emul;
1.59 otto 118:
119: struct pid_emul {
120: struct emulation *e;
121: pid_t p;
122: };
123:
124: static struct pid_emul *pe_table;
125: static size_t pe_size;
1.1 deraadt 126:
127:
128: static char *ptrace_ops[] = {
129: "PT_TRACE_ME", "PT_READ_I", "PT_READ_D", "PT_READ_U",
130: "PT_WRITE_I", "PT_WRITE_D", "PT_WRITE_U", "PT_CONTINUE",
1.15 art 131: "PT_KILL", "PT_ATTACH", "PT_DETACH", "PT_IO",
1.64 guenther 132: "PT_SET_EVENT_MASK", "PT_GET_EVENT_MASK", "PT_GET_PROCESS_STATE",
1.71 guenther 133: "PT_GET_THREAD_FIRST", "PT_GET_THREAD_NEXT",
1.1 deraadt 134: };
135:
1.52 otto 136: static int narg;
137: static register_t *ap;
138: static char sep;
139:
1.59 otto 140: static void mappidtoemul(pid_t, struct emulation *);
141: static struct emulation * findemul(pid_t);
1.37 tedu 142: static int fread_tail(void *, size_t, size_t);
1.13 millert 143: static void dumpheader(struct ktr_header *);
144: static void ktrcsw(struct ktr_csw *);
1.37 tedu 145: static void ktremul(char *, size_t);
146: static void ktrgenio(struct ktr_genio *, size_t);
147: static void ktrnamei(const char *, size_t);
1.13 millert 148: static void ktrpsig(struct ktr_psig *);
149: static void ktrsyscall(struct ktr_syscall *);
1.62 otto 150: static const char *kresolvsysctl(int, int *, int);
1.13 millert 151: static void ktrsysret(struct ktr_sysret *);
1.81 miod 152: static void ktruser(struct ktr_user *, size_t);
1.13 millert 153: static void setemul(const char *);
154: static void usage(void);
1.61 matthew 155: static void atfd(int);
1.77 guenther 156: static void polltimeout(int);
1.82 guenther 157: static void pgid(int);
158: static void wait4pid(int);
1.83 guenther 159: static void signame(int);
160: static void semctlname(int);
161: static void shmctlname(int);
162: static void semgetname(int);
163: static void flagsandmodename(int, int);
164: static void clockname(int);
165: static void sockoptlevelname(int);
1.88 ! guenther 166: static void ktraceopname(int);
1.12 espie 167:
1.1 deraadt 168: int
1.17 deraadt 169: main(int argc, char *argv[])
1.1 deraadt 170: {
1.37 tedu 171: int ch, silent;
172: size_t ktrlen, size;
1.17 deraadt 173: int trpoints = ALL_POINTS;
1.12 espie 174: void *m;
1.1 deraadt 175:
1.60 otto 176: def_emul = current = &emulations[0]; /* native */
1.1 deraadt 177:
1.67 mikeb 178: while ((ch = getopt(argc, argv, "e:f:dHlm:nrRp:Tt:xX")) != -1)
1.1 deraadt 179: switch (ch) {
180: case 'e':
181: setemul(optarg);
1.60 otto 182: def_emul = current;
1.1 deraadt 183: break;
184: case 'f':
185: tracefile = optarg;
186: break;
187: case 'd':
188: decimal = 1;
189: break;
1.67 mikeb 190: case 'H':
191: needtid = 1;
192: break;
1.1 deraadt 193: case 'l':
194: tail = 1;
195: break;
196: case 'm':
197: maxdata = atoi(optarg);
198: break;
199: case 'n':
200: fancy = 0;
201: break;
1.17 deraadt 202: case 'p':
1.85 guenther 203: pid_opt = atoi(optarg);
1.17 deraadt 204: break;
1.55 otto 205: case 'r':
206: resolv = 1;
207: break;
1.1 deraadt 208: case 'R':
209: timestamp = 2; /* relative timestamp */
210: break;
211: case 'T':
212: timestamp = 1;
213: break;
214: case 't':
215: trpoints = getpoints(optarg);
216: if (trpoints < 0)
217: errx(1, "unknown trace point in %s", optarg);
218: break;
1.31 tedu 219: case 'x':
220: iohex = 1;
221: break;
222: case 'X':
223: iohex = 2;
224: break;
1.1 deraadt 225: default:
226: usage();
227: }
1.5 deraadt 228: if (argc > optind)
1.1 deraadt 229: usage();
230:
1.37 tedu 231: m = malloc(size = 1025);
1.1 deraadt 232: if (m == NULL)
1.37 tedu 233: err(1, NULL);
1.1 deraadt 234: if (!freopen(tracefile, "r", stdin))
235: err(1, "%s", tracefile);
1.67 mikeb 236: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
237: ktr_header.ktr_type != htobe32(KTR_START))
238: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 239: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 240: silent = 0;
1.59 otto 241: if (pe_size == 0)
242: mappidtoemul(ktr_header.ktr_pid, current);
1.85 guenther 243: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 244: silent = 1;
245: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 246: dumpheader(&ktr_header);
1.37 tedu 247: ktrlen = ktr_header.ktr_len;
1.1 deraadt 248: if (ktrlen > size) {
1.23 tedu 249: void *newm;
250:
1.64 guenther 251: if (ktrlen == SIZE_MAX)
252: errx(1, "data too long");
1.23 tedu 253: newm = realloc(m, ktrlen+1);
254: if (newm == NULL)
1.66 deraadt 255: err(1, "realloc");
1.23 tedu 256: m = newm;
1.1 deraadt 257: size = ktrlen;
258: }
259: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
260: errx(1, "data too short");
1.17 deraadt 261: if (silent)
262: continue;
1.1 deraadt 263: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
264: continue;
1.59 otto 265: current = findemul(ktr_header.ktr_pid);
1.1 deraadt 266: switch (ktr_header.ktr_type) {
267: case KTR_SYSCALL:
268: ktrsyscall((struct ktr_syscall *)m);
269: break;
270: case KTR_SYSRET:
271: ktrsysret((struct ktr_sysret *)m);
272: break;
273: case KTR_NAMEI:
274: ktrnamei(m, ktrlen);
275: break;
276: case KTR_GENIO:
277: ktrgenio((struct ktr_genio *)m, ktrlen);
278: break;
279: case KTR_PSIG:
280: ktrpsig((struct ktr_psig *)m);
281: break;
282: case KTR_CSW:
283: ktrcsw((struct ktr_csw *)m);
284: break;
285: case KTR_EMUL:
286: ktremul(m, ktrlen);
1.59 otto 287: mappidtoemul(ktr_header.ktr_pid, current);
1.1 deraadt 288: break;
1.55 otto 289: case KTR_STRUCT:
290: ktrstruct(m, ktrlen);
291: break;
1.81 miod 292: case KTR_USER:
293: ktruser(m, ktrlen);
294: break;
1.1 deraadt 295: }
296: if (tail)
297: (void)fflush(stdout);
298: }
1.12 espie 299: exit(0);
1.1 deraadt 300: }
301:
1.59 otto 302: static void
303: mappidtoemul(pid_t pid, struct emulation *emul)
304: {
305: size_t i;
306: struct pid_emul *tmp;
307:
308: for (i = 0; i < pe_size; i++) {
309: if (pe_table[i].p == pid) {
310: pe_table[i].e = emul;
311: return;
312: }
313: }
314: tmp = realloc(pe_table, (pe_size + 1) * sizeof(*pe_table));
315: if (tmp == NULL)
316: err(1, NULL);
317: pe_table = tmp;
318: pe_table[pe_size].p = pid;
319: pe_table[pe_size].e = emul;
320: pe_size++;
321: }
322:
323: static struct emulation*
324: findemul(pid_t pid)
325: {
326: size_t i;
327:
328: for (i = 0; i < pe_size; i++)
329: if (pe_table[i].p == pid)
330: return pe_table[i].e;
1.60 otto 331: return def_emul;
1.59 otto 332: }
333:
1.12 espie 334: static int
1.37 tedu 335: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 336: {
337: int i;
338:
339: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
340: (void)sleep(1);
341: clearerr(stdin);
342: }
343: return (i);
344: }
345:
1.12 espie 346: static void
1.17 deraadt 347: dumpheader(struct ktr_header *kth)
1.1 deraadt 348: {
1.67 mikeb 349: static struct timespec prevtime;
1.1 deraadt 350: char unknown[64], *type;
1.67 mikeb 351: struct timespec temp;
1.1 deraadt 352:
353: switch (kth->ktr_type) {
354: case KTR_SYSCALL:
355: type = "CALL";
356: break;
357: case KTR_SYSRET:
358: type = "RET ";
359: break;
360: case KTR_NAMEI:
361: type = "NAMI";
362: break;
363: case KTR_GENIO:
364: type = "GIO ";
365: break;
366: case KTR_PSIG:
367: type = "PSIG";
368: break;
369: case KTR_CSW:
370: type = "CSW";
371: break;
372: case KTR_EMUL:
373: type = "EMUL";
374: break;
1.55 otto 375: case KTR_STRUCT:
376: type = "STRU";
377: break;
1.81 miod 378: case KTR_USER:
379: type = "USER";
380: break;
1.1 deraadt 381: default:
1.17 deraadt 382: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%d)",
383: kth->ktr_type);
1.1 deraadt 384: type = unknown;
385: }
386:
1.67 mikeb 387: (void)printf("%6ld", (long)kth->ktr_pid);
388: if (needtid)
1.69 mikeb 389: (void)printf("/%-7ld", (long)kth->ktr_tid);
1.67 mikeb 390: (void)printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 391: if (timestamp) {
392: if (timestamp == 2) {
1.67 mikeb 393: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 394: prevtime = kth->ktr_time;
395: } else
396: temp = kth->ktr_time;
1.79 deraadt 397: printf("%lld.%06ld ", (long long)temp.tv_sec,
398: temp.tv_nsec / 1000);
1.1 deraadt 399: }
400: (void)printf("%s ", type);
401: }
402:
1.12 espie 403: static void
1.17 deraadt 404: ioctldecode(u_long cmd)
1.2 deraadt 405: {
406: char dirbuf[4], *dir = dirbuf;
407:
1.6 deraadt 408: if (cmd & IOC_IN)
409: *dir++ = 'W';
1.2 deraadt 410: if (cmd & IOC_OUT)
411: *dir++ = 'R';
412: *dir = '\0';
413:
1.33 tedu 414: printf(decimal ? ",_IO%s('%c',%lu" : ",_IO%s('%c',%#lx",
415: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1.2 deraadt 416: if ((cmd & IOC_VOID) == 0)
1.34 tedu 417: printf(decimal ? ",%lu)" : ",%#lx)", (cmd >> 16) & 0xff);
1.2 deraadt 418: else
419: printf(")");
420: }
1.1 deraadt 421:
1.52 otto 422: static void
423: ptracedecode(void)
424: {
425: if (*ap >= 0 && *ap <
426: sizeof(ptrace_ops) / sizeof(ptrace_ops[0]))
427: (void)printf("%s", ptrace_ops[*ap]);
428: else switch(*ap) {
429: #ifdef PT_GETFPREGS
430: case PT_GETFPREGS:
431: (void)printf("PT_GETFPREGS");
432: break;
433: #endif
434: case PT_GETREGS:
435: (void)printf("PT_GETREGS");
436: break;
1.75 guenther 437: #ifdef PT_GETXMMREGS
438: case PT_GETXMMREGS:
439: (void)printf("PT_GETXMMREGS");
440: break;
441: #endif
1.52 otto 442: #ifdef PT_SETFPREGS
443: case PT_SETFPREGS:
444: (void)printf("PT_SETFPREGS");
445: break;
446: #endif
447: case PT_SETREGS:
448: (void)printf("PT_SETREGS");
449: break;
1.75 guenther 450: #ifdef PT_SETXMMREGS
451: case PT_SETXMMREGS:
452: (void)printf("PT_SETXMMREGS");
453: break;
454: #endif
1.52 otto 455: #ifdef PT_STEP
456: case PT_STEP:
457: (void)printf("PT_STEP");
458: break;
459: #endif
460: #ifdef PT_WCOOKIE
461: case PT_WCOOKIE:
462: (void)printf("PT_WCOOKIE");
463: break;
464: #endif
465: default:
466: (void)printf("%ld", (long)*ap);
467: break;
468: }
469: sep = ',';
470: ap++;
471: narg--;
472: }
473:
474: static void
475: pn(void (*f)(int))
476: {
477: if (sep)
478: (void)putchar(sep);
479: if (fancy && f != NULL)
480: f((int)*ap);
481: else if (decimal)
482: (void)printf("%ld", (long)*ap);
483: else
484: (void)printf("%#lx", (long)*ap);
485: ap++;
486: narg--;
487: sep = ',';
488: }
489:
490: #ifdef __LP64__
491: #define plln() pn(NULL)
492: #elif _BYTE_ORDER == _LITTLE_ENDIAN
493: static void
494: plln(void)
495: {
496: long long val = ((long long)*ap) & 0xffffffff;
497: ap++;
498: val |= ((long long)*ap) << 32;
499: ap++;
500: narg -= 2;
501: if (sep)
502: (void)putchar(sep);
503: if (decimal)
504: (void)printf("%lld", val);
505: else
506: (void)printf("%#llx", val);
507: sep = ',';
508: }
509: #else
510: static void
511: plln(void)
512: {
513: long long val = ((long long)*ap) << 32;
514: ap++;
515: val |= ((long long)*ap) & 0xffffffff;
516: ap++;
517: narg -= 2;
518: if (sep)
519: (void)putchar(sep);
520: if (decimal)
521: (void)printf("%lld", val);
522: else
523: (void)printf("%#llx", val);
524: sep = ',';
525: }
526: #endif
1.51 otto 527:
1.12 espie 528: static void
1.17 deraadt 529: ktrsyscall(struct ktr_syscall *ktr)
1.1 deraadt 530: {
1.52 otto 531: narg = ktr->ktr_argsize / sizeof(register_t);
532: sep = '\0';
1.1 deraadt 533:
534: if (ktr->ktr_code >= current->nsysnames || ktr->ktr_code < 0)
535: (void)printf("[%d]", ktr->ktr_code);
536: else
537: (void)printf("%s", current->sysnames[ktr->ktr_code]);
538: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 539: (void)putchar('(');
1.52 otto 540:
1.54 otto 541: if (current != &emulations[0])
542: goto nonnative;
543:
1.52 otto 544: switch (ktr->ktr_code) {
545: case SYS_ioctl: {
546: const char *cp;
547:
548: pn(NULL);
549: if (!fancy)
550: break;
551: if ((cp = ioctlname(*ap)) != NULL)
552: (void)printf(",%s", cp);
553: else
554: ioctldecode(*ap);
555: ap++;
556: narg--;
557: break;
558: }
559: case SYS___sysctl: {
1.62 otto 560: const char *s;
561: int *np, n, i, *top;
1.52 otto 562:
563: if (!fancy)
564: break;
565: n = ap[1];
566: if (n > CTL_MAXNAME)
567: n = CTL_MAXNAME;
1.62 otto 568: np = top = (int *)(ap + 6);
569: for (i = 0; n--; np++, i++) {
1.52 otto 570: if (sep)
571: putchar(sep);
1.62 otto 572: if (resolv && (s = kresolvsysctl(i, top, *np)) != NULL)
573: printf("%s", s);
574: else
575: printf("%d", *np);
1.52 otto 576: sep = '.';
1.1 deraadt 577: }
1.52 otto 578:
579: sep = ',';
580: ap += 2;
581: narg -= 2;
582: break;
583: }
584: case SYS_ptrace:
585: if (!fancy)
586: break;
587: ptracedecode();
588: break;
589: case SYS_access:
590: pn(NULL);
591: pn(accessmodename);
592: break;
593: case SYS_chmod:
594: case SYS_fchmod:
1.87 guenther 595: case SYS_mkdir:
596: case SYS_mkfifo:
597: case SYS_mknod:
1.61 matthew 598: pn(NULL);
1.87 guenther 599: pn(modename);
600: break;
601: case SYS_umask:
1.52 otto 602: pn(modename);
603: break;
604: case SYS_fcntl: {
605: int cmd;
606: int arg;
607: pn(NULL);
608: if (!fancy)
609: break;
610: cmd = ap[0];
611: arg = ap[1];
612: (void)putchar(',');
613: fcntlcmdname(cmd, arg);
614: ap += 2;
615: narg -= 2;
616: break;
617: }
618: case SYS_flock:
619: pn(NULL);
620: pn(flockname);
621: break;
622: case SYS_getrlimit:
623: case SYS_setrlimit:
624: pn(rlimitname);
625: break;
626: case SYS_getsockopt:
627: case SYS_setsockopt: {
628: int level;
629:
630: pn(NULL);
631: level = *ap;
632: pn(sockoptlevelname);
633: if (level == SOL_SOCKET)
634: pn(sockoptname);
635: break;
636: }
637: case SYS_kill:
1.82 guenther 638: pn(pgid);
1.52 otto 639: pn(signame);
640: break;
641: case SYS_lseek:
642: pn(NULL);
643: /* skip padding */
644: ap++;
645: narg--;
646: plln();
647: pn(whencename);
648: break;
649: case SYS_madvise:
650: pn(NULL);
651: pn(NULL);
652: pn(madvisebehavname);
653: break;
654: case SYS_minherit:
655: pn(NULL);
656: pn(NULL);
657: pn(minheritname);
658: break;
659: case SYS_mlockall:
660: pn(mlockallname);
661: break;
662: case SYS_mmap:
1.88 ! guenther 663: case SYS_mquery:
1.52 otto 664: pn(NULL);
665: pn(NULL);
666: pn(mmapprotname);
667: pn(mmapflagsname);
668: pn(NULL);
669: /* skip padding */
670: ap++;
671: narg--;
672: plln();
673: break;
674: case SYS_mprotect:
675: pn(NULL);
676: pn(NULL);
677: pn(mmapprotname);
678: break;
679: case SYS_msync:
680: pn(NULL);
681: pn(NULL);
682: pn(msyncflagsname);
683: break;
684: case SYS_msgctl:
685: pn(NULL);
686: pn(shmctlname);
687: break;
688: case SYS_open: {
689: int flags;
690: int mode;
691:
692: pn(NULL);
693: if (!fancy)
694: break;
695: flags = ap[0];
696: mode = ap[1];
697: (void)putchar(',');
698: flagsandmodename(flags, mode);
699: ap += 2;
700: narg -= 2;
701: break;
702: }
703: case SYS_pread:
704: case SYS_preadv:
705: case SYS_pwrite:
706: case SYS_pwritev:
707: pn(NULL);
708: pn(NULL);
709: pn(NULL);
710: /* skip padding */
711: ap++;
712: narg--;
713: plln();
714: break;
715: case SYS_recvmsg:
716: case SYS_sendmsg:
717: pn(NULL);
718: pn(NULL);
719: pn(sendrecvflagsname);
720: break;
721: case SYS_recvfrom:
722: case SYS_sendto:
723: pn(NULL);
724: pn(NULL);
725: pn(NULL);
726: pn(sendrecvflagsname);
727: break;
1.77 guenther 728: case SYS_shutdown:
729: pn(NULL);
730: pn(shutdownhowname);
731: break;
1.52 otto 732: case SYS___semctl:
733: pn(NULL);
734: pn(NULL);
735: pn(semctlname);
736: break;
737: case SYS_semget:
738: pn(NULL);
739: pn(NULL);
740: pn(semgetname);
741: break;
742: case SYS_shmat:
743: pn(NULL);
744: pn(NULL);
745: pn(shmatname);
746: break;
747: case SYS_shmctl:
748: pn(NULL);
749: pn(shmctlname);
750: break;
1.64 guenther 751: case SYS_clock_gettime:
752: case SYS_clock_settime:
753: case SYS_clock_getres:
754: pn(clockname);
755: break;
1.77 guenther 756: case SYS_poll:
757: pn(NULL);
758: pn(NULL);
759: pn(polltimeout);
760: break;
1.52 otto 761: case SYS_sigaction:
762: pn(signame);
763: break;
764: case SYS_sigprocmask:
765: pn(sigprocmaskhowname);
1.64 guenther 766: pn(sigset);
767: break;
768: case SYS_sigsuspend:
769: pn(sigset);
1.52 otto 770: break;
771: case SYS_socket: {
772: int sockdomain = *ap;
773:
774: pn(sockdomainname);
775: pn(socktypename);
776: if (sockdomain == PF_INET || sockdomain == PF_INET6)
777: pn(sockipprotoname);
778: break;
779: }
780: case SYS_socketpair:
781: pn(sockdomainname);
782: pn(socktypename);
783: break;
784: case SYS_truncate:
785: case SYS_ftruncate:
786: pn(NULL);
787: /* skip padding */
788: ap++;
789: narg--;
790: plln();
791: break;
792: case SYS_wait4:
1.82 guenther 793: pn(wait4pid);
1.52 otto 794: pn(NULL);
795: pn(wait4optname);
796: break;
1.77 guenther 797: case SYS_getrusage:
798: pn(rusagewho);
799: break;
1.64 guenther 800: case SYS___thrsleep:
801: pn(NULL);
802: pn(clockname);
803: break;
804: case SYS___thrsigdivert:
805: pn(sigset);
806: break;
1.61 matthew 807: case SYS_faccessat:
808: pn(atfd);
809: pn(NULL);
810: pn(accessmodename);
811: pn(atflagsname);
812: break;
813: case SYS_fchmodat:
814: pn(atfd);
815: pn(NULL);
816: pn(modename);
817: pn(atflagsname);
818: break;
819: case SYS_fchownat:
820: pn(atfd);
821: pn(NULL);
822: pn(NULL);
823: pn(NULL);
824: pn(atflagsname);
825: break;
826: case SYS_fstatat:
827: pn(atfd);
828: pn(NULL);
829: pn(NULL);
830: pn(atflagsname);
831: break;
832: case SYS_linkat:
833: pn(atfd);
834: pn(NULL);
835: pn(atfd);
836: pn(NULL);
837: pn(atflagsname);
838: break;
839: case SYS_mkdirat:
840: case SYS_mkfifoat:
841: case SYS_mknodat:
842: pn(atfd);
843: pn(NULL);
844: pn(modename);
845: break;
846: case SYS_openat: {
847: int flags;
848: int mode;
849:
850: pn(atfd);
851: pn(NULL);
852: if (!fancy)
853: break;
854: flags = ap[0];
855: mode = ap[1];
856: (void)putchar(',');
857: flagsandmodename(flags, mode);
858: ap += 2;
859: narg -= 2;
860: break;
861: }
862: case SYS_readlinkat:
863: pn(atfd);
864: break;
865: case SYS_renameat:
866: pn(atfd);
867: pn(NULL);
868: pn(atfd);
869: break;
870: case SYS_symlinkat:
871: pn(NULL);
872: pn(atfd);
873: break;
874: case SYS_unlinkat:
875: pn(atfd);
876: pn(NULL);
877: pn(atflagsname);
878: break;
879: case SYS_utimensat:
880: pn(atfd);
881: pn(NULL);
882: pn(NULL);
883: pn(atflagsname);
884: break;
1.77 guenther 885: case SYS_pathconf:
886: case SYS_fpathconf:
887: pn(NULL);
888: pn(pathconfname);
1.86 guenther 889: break;
890: case SYS_ktrace:
891: pn(NULL);
1.88 ! guenther 892: pn(ktraceopname);
1.86 guenther 893: pn(ktracefacname);
894: pn(pgid);
895: break;
896: case SYS_setitimer:
897: case SYS_getitimer:
898: pn(itimername);
1.77 guenther 899: break;
1.52 otto 900: }
901:
1.54 otto 902: nonnative:
1.52 otto 903: while (narg) {
904: if (sep)
905: putchar(sep);
906: if (decimal)
907: (void)printf("%ld", (long)*ap);
908: else
909: (void)printf("%#lx", (long)*ap);
910: sep = ',';
911: ap++;
912: narg--;
1.1 deraadt 913: }
1.27 mickey 914: (void)printf(")\n");
1.62 otto 915: }
916:
917: static struct ctlname topname[] = CTL_NAMES;
918: static struct ctlname kernname[] = CTL_KERN_NAMES;
919: static struct ctlname vmname[] = CTL_VM_NAMES;
920: static struct ctlname fsname[] = CTL_FS_NAMES;
921: static struct ctlname netname[] = CTL_NET_NAMES;
922: static struct ctlname hwname[] = CTL_HW_NAMES;
923: static struct ctlname debugname[CTL_DEBUG_MAXID];
924: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
925: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
926: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.88 ! guenther 927: static struct ctlname kernprocname[] = {
1.64 guenther 928: { NULL },
929: { "all" },
930: { "pid" },
931: { "pgrp" },
932: { "session" },
933: { "tty" },
934: { "uid" },
935: { "ruid" },
1.77 guenther 936: { "kthread" },
1.64 guenther 937: };
1.62 otto 938: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
939: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
940: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
941: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
942: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
943: #ifdef CTL_MACHDEP_NAMES
944: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
945: #endif
946: static struct ctlname ddbname[] = CTL_DDB_NAMES;
947:
948: #ifndef nitems
949: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
950: #endif
951:
952: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
953:
954: static const char *
955: kresolvsysctl(int depth, int *top, int idx)
956: {
957: struct ctlname *names;
958: size_t limit;
959:
960: names = NULL;
961:
962: switch (depth) {
963: case 0:
964: SETNAME(topname);
965: break;
966: case 1:
967: switch (top[0]) {
968: case CTL_KERN:
969: SETNAME(kernname);
970: break;
971: case CTL_VM:
972: SETNAME(vmname);
973: break;
974: case CTL_FS:
975: SETNAME(fsname);
976: break;
977: case CTL_NET:
978: SETNAME(netname);
979: break;
980: case CTL_DEBUG:
981: SETNAME(debugname);
982: break;
983: case CTL_HW:
984: SETNAME(hwname);
985: break;
986: #ifdef CTL_MACHDEP_NAMES
987: case CTL_MACHDEP:
988: SETNAME(machdepname);
989: break;
990: #endif
991: case CTL_DDB:
992: SETNAME(ddbname);
993: break;
994: }
995: break;
996: case 2:
997: switch (top[0]) {
998: case CTL_KERN:
999: switch (top[1]) {
1000: case KERN_MALLOCSTATS:
1001: SETNAME(kernmallocname);
1002: break;
1003: case KERN_FORKSTAT:
1004: SETNAME(forkstatname);
1005: break;
1006: case KERN_NCHSTATS:
1007: SETNAME(nchstatsname);
1008: break;
1009: case KERN_TTY:
1010: SETNAME(ttysname);
1011: break;
1012: case KERN_SEMINFO:
1013: SETNAME(semname);
1014: break;
1015: case KERN_SHMINFO:
1016: SETNAME(shmname);
1017: break;
1018: case KERN_WATCHDOG:
1019: SETNAME(watchdogname);
1020: break;
1.64 guenther 1021: case KERN_PROC:
1022: idx++; /* zero is valid at this level */
1023: SETNAME(kernprocname);
1024: break;
1.62 otto 1025: case KERN_TIMECOUNTER:
1026: SETNAME(tcname);
1027: break;
1028: }
1029: }
1030: break;
1031: }
1032: if (names != NULL && idx > 0 && idx < limit)
1033: return (names[idx].ctl_name);
1034: return (NULL);
1.1 deraadt 1035: }
1036:
1.12 espie 1037: static void
1.17 deraadt 1038: ktrsysret(struct ktr_sysret *ktr)
1.1 deraadt 1039: {
1.50 deraadt 1040: register_t ret = ktr->ktr_retval;
1.12 espie 1041: int error = ktr->ktr_error;
1042: int code = ktr->ktr_code;
1.1 deraadt 1043:
1044: if (code >= current->nsysnames || code < 0)
1045: (void)printf("[%d] ", code);
1.59 otto 1046: else {
1.1 deraadt 1047: (void)printf("%s ", current->sysnames[code]);
1.59 otto 1048: if (ret > 0 && (strcmp(current->sysnames[code], "fork") == 0 ||
1049: strcmp(current->sysnames[code], "vfork") == 0 ||
1.64 guenther 1050: strcmp(current->sysnames[code], "__tfork") == 0 ||
1.59 otto 1051: strcmp(current->sysnames[code], "clone") == 0))
1052: mappidtoemul(ret, current);
1053: }
1.1 deraadt 1054:
1055: if (error == 0) {
1056: if (fancy) {
1.64 guenther 1057: switch (current == &emulations[0] ? code : -1) {
1058: case SYS_sigprocmask:
1.73 guenther 1059: case SYS_sigpending:
1.64 guenther 1060: sigset(ret);
1061: break;
1062: case SYS___thrsigdivert:
1063: signame(ret);
1064: break;
1065: case -1: /* non-default emulation */
1066: default:
1067: (void)printf("%ld", (long)ret);
1068: if (ret < 0 || ret > 9)
1069: (void)printf("/%#lx", (long)ret);
1070: }
1.1 deraadt 1071: } else {
1072: if (decimal)
1.50 deraadt 1073: (void)printf("%ld", (long)ret);
1.1 deraadt 1074: else
1.50 deraadt 1075: (void)printf("%#lx", (long)ret);
1.1 deraadt 1076: }
1077: } else if (error == ERESTART)
1078: (void)printf("RESTART");
1079: else if (error == EJUSTRETURN)
1080: (void)printf("JUSTRETURN");
1081: else {
1082: (void)printf("-1 errno %d", ktr->ktr_error);
1083: if (fancy)
1084: (void)printf(" %s", strerror(ktr->ktr_error));
1085: }
1086: (void)putchar('\n');
1087: }
1088:
1.12 espie 1089: static void
1.37 tedu 1090: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1091: {
1.37 tedu 1092: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1093: }
1094:
1.12 espie 1095: static void
1.37 tedu 1096: ktremul(char *cp, size_t len)
1.1 deraadt 1097: {
1098: char name[1024];
1099:
1100: if (len >= sizeof(name))
1101: errx(1, "Emulation name too long");
1102:
1103: strncpy(name, cp, len);
1104: name[len] = '\0';
1105: (void)printf("\"%s\"\n", name);
1106:
1107: setemul(name);
1108: }
1109:
1.12 espie 1110: static void
1.81 miod 1111: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1112: {
1.37 tedu 1113: int i, j;
1.81 miod 1114: static int screenwidth;
1.31 tedu 1115: int col = 0, width, bpl;
1.32 tedu 1116: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1117:
1118: if (screenwidth == 0) {
1119: struct winsize ws;
1120:
1121: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1122: ws.ws_col > 8)
1123: screenwidth = ws.ws_col;
1124: else
1125: screenwidth = 80;
1126: }
1.31 tedu 1127: if (iohex == 1) {
1128: putchar('\t');
1129: col = 8;
1130: for (i = 0; i < datalen; i++) {
1.35 tedu 1131: printf("%02x", dp[i]);
1.31 tedu 1132: col += 3;
1133: if (i < datalen - 1) {
1134: if (col + 3 > screenwidth) {
1135: printf("\n\t");
1136: col = 8;
1137: } else
1138: putchar(' ');
1139: }
1140: }
1141: putchar('\n');
1142: return;
1143: }
1144: if (iohex == 2) {
1145: bpl = (screenwidth - 13)/4;
1146: if (bpl <= 0)
1147: bpl = 1;
1148: for (i = 0; i < datalen; i += bpl) {
1149: printf(" %04x: ", i);
1150: for (j = 0; j < bpl; j++) {
1151: if (i+j >= datalen)
1152: printf(" ");
1153: else
1.35 tedu 1154: printf("%02x ", dp[i+j]);
1.31 tedu 1155: }
1156: putchar(' ');
1157: for (j = 0; j < bpl; j++) {
1158: if (i+j >= datalen)
1159: break;
1160: c = dp[i+j];
1161: if (!isprint(c))
1162: c = '.';
1163: putchar(c);
1164: }
1165: putchar('\n');
1166: }
1167: return;
1168: }
1.1 deraadt 1169: (void)printf(" \"");
1170: col = 8;
1171: for (; datalen > 0; datalen--, dp++) {
1.31 tedu 1172: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1.1 deraadt 1173: cp = visbuf;
1.17 deraadt 1174:
1.1 deraadt 1175: /*
1176: * Keep track of printables and
1177: * space chars (like fold(1)).
1178: */
1179: if (col == 0) {
1180: (void)putchar('\t');
1181: col = 8;
1182: }
1.17 deraadt 1183: switch (*cp) {
1.1 deraadt 1184: case '\n':
1185: col = 0;
1186: (void)putchar('\n');
1187: continue;
1188: case '\t':
1189: width = 8 - (col&07);
1190: break;
1191: default:
1192: width = strlen(cp);
1193: }
1194: if (col + width > (screenwidth-2)) {
1195: (void)printf("\\\n\t");
1196: col = 8;
1197: }
1198: col += width;
1199: do {
1200: (void)putchar(*cp++);
1201: } while (*cp);
1202: }
1203: if (col == 0)
1204: (void)printf(" ");
1205: (void)printf("\"\n");
1206: }
1207:
1.12 espie 1208: static void
1.81 miod 1209: ktrgenio(struct ktr_genio *ktr, size_t len)
1210: {
1211: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1212: size_t datalen = len - sizeof(struct ktr_genio);
1213:
1214: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1215: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1216: if (maxdata == 0)
1217: return;
1218: if (datalen > maxdata)
1219: datalen = maxdata;
1220: if (iohex && !datalen)
1221: return;
1222: showbuf(dp, datalen);
1223: }
1224:
1225: static void
1.17 deraadt 1226: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1227: {
1228: (void)printf("SIG%s ", sys_signame[psig->signo]);
1229: if (psig->action == SIG_DFL)
1.63 deraadt 1230: (void)printf("SIG_DFL");
1.64 guenther 1231: else {
1232: (void)printf("caught handler=0x%lx mask=",
1233: (u_long)psig->action);
1234: sigset(psig->mask);
1235: }
1.63 deraadt 1236: if (psig->code) {
1237: printf(" code ");
1238: if (fancy) {
1239: switch (psig->signo) {
1240: case SIGILL:
1241: sigill_name(psig->code);
1242: break;
1243: case SIGTRAP:
1244: sigtrap_name(psig->code);
1245: break;
1246: case SIGEMT:
1247: sigemt_name(psig->code);
1248: break;
1249: case SIGFPE:
1250: sigfpe_name(psig->code);
1251: break;
1252: case SIGBUS:
1253: sigbus_name(psig->code);
1254: break;
1255: case SIGSEGV:
1256: sigsegv_name(psig->code);
1257: break;
1258: case SIGCHLD:
1259: sigchld_name(psig->code);
1260: break;
1261: }
1262: }
1263: printf("<%d>", psig->code);
1264: }
1265:
1.14 deraadt 1266: switch (psig->signo) {
1267: case SIGSEGV:
1268: case SIGILL:
1269: case SIGBUS:
1270: case SIGFPE:
1271: printf(" addr=%p trapno=%d", psig->si.si_addr,
1272: psig->si.si_trapno);
1273: break;
1274: default:
1275: break;
1276: }
1277: printf("\n");
1.1 deraadt 1278: }
1279:
1.12 espie 1280: static void
1.17 deraadt 1281: ktrcsw(struct ktr_csw *cs)
1.1 deraadt 1282: {
1283: (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1284: cs->user ? "user" : "kernel");
1285: }
1286:
1.64 guenther 1287: static void
1.81 miod 1288: ktruser(struct ktr_user *usr, size_t len)
1289: {
1290: len -= sizeof(struct ktr_user);
1291: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1292: printf(" %zu bytes\n", len);
1293: showbuf((unsigned char *)(usr + 1), len);
1294: }
1295:
1296: static void
1.17 deraadt 1297: usage(void)
1.1 deraadt 1298: {
1299:
1.19 mickey 1300: extern char *__progname;
1301: fprintf(stderr, "usage: %s "
1.68 jmc 1302: "[-dHlnRrTXx] [-e emulation] [-f file] [-m maxdata] [-p pid]\n"
1.81 miod 1303: "%*s[-t [ceinstuw]]\n",
1.51 otto 1304: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1305: exit(1);
1306: }
1307:
1.12 espie 1308: static void
1.17 deraadt 1309: setemul(const char *name)
1.1 deraadt 1310: {
1311: int i;
1.17 deraadt 1312:
1.1 deraadt 1313: for (i = 0; emulations[i].name != NULL; i++)
1314: if (strcmp(emulations[i].name, name) == 0) {
1315: current = &emulations[i];
1316: return;
1317: }
1318: warnx("Emulation `%s' unknown", name);
1.61 matthew 1319: }
1320:
1321: static void
1322: atfd(int fd)
1323: {
1324: if (fd == AT_FDCWD)
1325: (void)printf("AT_FDCWD");
1326: else if (decimal)
1327: (void)printf("%d", fd);
1328: else
1329: (void)printf("%#x", fd);
1.77 guenther 1330: }
1331:
1332: static void
1333: polltimeout(int timeout)
1334: {
1335: if (timeout == INFTIM)
1336: (void)printf("INFTIM");
1337: else if (decimal)
1338: (void)printf("%d", timeout);
1339: else
1340: (void)printf("%#x", timeout);
1.82 guenther 1341: }
1342:
1343: static void
1344: pgid(int pid)
1345: {
1346: (void)printf("%d", pid);
1347: }
1348:
1349: static void
1350: wait4pid(int pid)
1351: {
1352: if (pid == WAIT_ANY)
1353: (void)printf("WAIT_ANY");
1354: else if (pid == WAIT_MYPGRP)
1355: (void)printf("WAIT_MYPGRP");
1356: else
1357: pgid(pid);
1.1 deraadt 1358: }
1.83 guenther 1359:
1360: static void
1361: signame(int sig)
1362: {
1363: if (sig > 0 && sig < NSIG)
1364: (void)printf("SIG%s", sys_signame[sig]);
1365: else
1366: (void)printf("SIG %d", sig);
1367: }
1368:
1.84 guenther 1369: void
1.83 guenther 1370: sigset(int ss)
1371: {
1372: int or = 0;
1373: int cnt = 0;
1374: int i;
1375:
1376: for (i = 1; i < NSIG; i++)
1377: if (sigismember(&ss, i))
1378: cnt++;
1379: if (cnt > (NSIG-1)/2) {
1380: ss = ~ss;
1381: putchar('~');
1382: }
1383:
1384: if (ss == 0) {
1385: (void)printf("0<>");
1386: return;
1387: }
1388:
1389: printf("%#x<", ss);
1390: for (i = 1; i < NSIG; i++)
1391: if (sigismember(&ss, i)) {
1392: if (or) putchar('|'); else or=1;
1393: signame(i);
1394: }
1395: printf(">");
1396: }
1397:
1398: static void
1399: semctlname(int cmd)
1400: {
1401: switch (cmd) {
1402: case GETNCNT:
1403: (void)printf("GETNCNT");
1404: break;
1405: case GETPID:
1406: (void)printf("GETPID");
1407: break;
1408: case GETVAL:
1409: (void)printf("GETVAL");
1410: break;
1411: case GETALL:
1412: (void)printf("GETALL");
1413: break;
1414: case GETZCNT:
1415: (void)printf("GETZCNT");
1416: break;
1417: case SETVAL:
1418: (void)printf("SETVAL");
1419: break;
1420: case SETALL:
1421: (void)printf("SETALL");
1422: break;
1423: case IPC_RMID:
1424: (void)printf("IPC_RMID");
1425: break;
1426: case IPC_SET:
1427: (void)printf("IPC_SET");
1428: break;
1429: case IPC_STAT:
1430: (void)printf("IPC_STAT");
1431: break;
1432: default: /* Should not reach */
1433: (void)printf("<invalid=%ld>", (long)cmd);
1434: }
1435: }
1436:
1437: static void
1.88 ! guenther 1438: shmctlname(int cmd)
! 1439: {
1.83 guenther 1440: switch (cmd) {
1441: case IPC_RMID:
1442: (void)printf("IPC_RMID");
1443: break;
1444: case IPC_SET:
1445: (void)printf("IPC_SET");
1446: break;
1447: case IPC_STAT:
1448: (void)printf("IPC_STAT");
1449: break;
1450: default: /* Should not reach */
1451: (void)printf("<invalid=%ld>", (long)cmd);
1452: }
1453: }
1454:
1455:
1456: static void
1.88 ! guenther 1457: semgetname(int flag)
! 1458: {
1.83 guenther 1459: int or = 0;
1460: if_print_or(flag, IPC_CREAT, or);
1461: if_print_or(flag, IPC_EXCL, or);
1462: if_print_or(flag, SEM_R, or);
1463: if_print_or(flag, SEM_A, or);
1464: if_print_or(flag, (SEM_R>>3), or);
1465: if_print_or(flag, (SEM_A>>3), or);
1466: if_print_or(flag, (SEM_R>>6), or);
1467: if_print_or(flag, (SEM_A>>6), or);
1468: }
1469:
1470:
1471: /*
1472: * Only used by SYS_open. Unless O_CREAT is set in flags, the
1473: * mode argument is unused (and often bogus and misleading).
1474: */
1475: static void
1.88 ! guenther 1476: flagsandmodename(int flags, int mode)
! 1477: {
1.83 guenther 1478: flagsname (flags);
1479: if ((flags & O_CREAT) == O_CREAT) {
1480: (void)putchar(',');
1481: modename (mode);
1482: } else if (!fancy) {
1483: (void)putchar(',');
1484: if (decimal) {
1485: (void)printf("<unused>%ld", (long)mode);
1486: } else {
1487: (void)printf("<unused>%#lx", (long)mode);
1488: }
1489: }
1490: }
1491:
1492: static void
1493: clockname(int clockid)
1494: {
1495: clocktypename(__CLOCK_TYPE(clockid));
1496: if (__CLOCK_PTID(clockid) != 0)
1497: printf("(%d)", __CLOCK_PTID(clockid));
1498: }
1499:
1500: /*
1501: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1502: * referring to a line in /etc/protocols . It might be appropriate
1503: * to use getprotoent(3) here.
1504: */
1505: static void
1506: sockoptlevelname(int level)
1507: {
1508: if (level == SOL_SOCKET) {
1509: (void)printf("SOL_SOCKET");
1510: } else {
1511: if (decimal) {
1512: (void)printf("%ld", (long)level);
1513: } else {
1514: (void)printf("%#lx", (long)level);
1515: }
1516: }
1517: }
1518:
1.88 ! guenther 1519: static void
! 1520: ktraceopname(int ops)
! 1521: {
! 1522: int invalid = 0;
! 1523:
! 1524: printf("%#x<", ops);
! 1525: switch (KTROP(ops)) {
! 1526: case KTROP_SET:
! 1527: printf("KTROP_SET");
! 1528: break;
! 1529: case KTROP_CLEAR:
! 1530: printf("KTROP_CLEAR");
! 1531: break;
! 1532: case KTROP_CLEARFILE:
! 1533: printf("KTROP_CLEARFILE");
! 1534: break;
! 1535: default:
! 1536: printf("KTROP(%d)", KTROP(ops));
! 1537: invalid = 1;
! 1538: break;
! 1539: }
! 1540: if (ops & KTRFLAG_DESCEND) printf ("|%s", "KTRFLAG_DESCEND");
! 1541: printf(">");
! 1542: if (invalid || (ops & ~(KTROP((unsigned)-1) | KTRFLAG_DESCEND)))
! 1543: (void)printf("<invalid>%ld", (long)ops);
! 1544: }