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1.86 ! guenther 1: /* $OpenBSD: kdump.c,v 1.85 2013/09/09 05:08:26 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);
1.12 espie 166:
1.1 deraadt 167: int
1.17 deraadt 168: main(int argc, char *argv[])
1.1 deraadt 169: {
1.37 tedu 170: int ch, silent;
171: size_t ktrlen, size;
1.17 deraadt 172: int trpoints = ALL_POINTS;
1.12 espie 173: void *m;
1.1 deraadt 174:
1.60 otto 175: def_emul = current = &emulations[0]; /* native */
1.1 deraadt 176:
1.67 mikeb 177: while ((ch = getopt(argc, argv, "e:f:dHlm:nrRp:Tt:xX")) != -1)
1.1 deraadt 178: switch (ch) {
179: case 'e':
180: setemul(optarg);
1.60 otto 181: def_emul = current;
1.1 deraadt 182: break;
183: case 'f':
184: tracefile = optarg;
185: break;
186: case 'd':
187: decimal = 1;
188: break;
1.67 mikeb 189: case 'H':
190: needtid = 1;
191: break;
1.1 deraadt 192: case 'l':
193: tail = 1;
194: break;
195: case 'm':
196: maxdata = atoi(optarg);
197: break;
198: case 'n':
199: fancy = 0;
200: break;
1.17 deraadt 201: case 'p':
1.85 guenther 202: pid_opt = atoi(optarg);
1.17 deraadt 203: break;
1.55 otto 204: case 'r':
205: resolv = 1;
206: break;
1.1 deraadt 207: case 'R':
208: timestamp = 2; /* relative timestamp */
209: break;
210: case 'T':
211: timestamp = 1;
212: break;
213: case 't':
214: trpoints = getpoints(optarg);
215: if (trpoints < 0)
216: errx(1, "unknown trace point in %s", optarg);
217: break;
1.31 tedu 218: case 'x':
219: iohex = 1;
220: break;
221: case 'X':
222: iohex = 2;
223: break;
1.1 deraadt 224: default:
225: usage();
226: }
1.5 deraadt 227: if (argc > optind)
1.1 deraadt 228: usage();
229:
1.37 tedu 230: m = malloc(size = 1025);
1.1 deraadt 231: if (m == NULL)
1.37 tedu 232: err(1, NULL);
1.1 deraadt 233: if (!freopen(tracefile, "r", stdin))
234: err(1, "%s", tracefile);
1.67 mikeb 235: if (fread_tail(&ktr_header, sizeof(struct ktr_header), 1) == 0 ||
236: ktr_header.ktr_type != htobe32(KTR_START))
237: errx(1, "%s: not a dump", tracefile);
1.1 deraadt 238: while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
1.17 deraadt 239: silent = 0;
1.59 otto 240: if (pe_size == 0)
241: mappidtoemul(ktr_header.ktr_pid, current);
1.85 guenther 242: if (pid_opt != -1 && pid_opt != ktr_header.ktr_pid)
1.17 deraadt 243: silent = 1;
244: if (silent == 0 && trpoints & (1<<ktr_header.ktr_type))
1.1 deraadt 245: dumpheader(&ktr_header);
1.37 tedu 246: ktrlen = ktr_header.ktr_len;
1.1 deraadt 247: if (ktrlen > size) {
1.23 tedu 248: void *newm;
249:
1.64 guenther 250: if (ktrlen == SIZE_MAX)
251: errx(1, "data too long");
1.23 tedu 252: newm = realloc(m, ktrlen+1);
253: if (newm == NULL)
1.66 deraadt 254: err(1, "realloc");
1.23 tedu 255: m = newm;
1.1 deraadt 256: size = ktrlen;
257: }
258: if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
259: errx(1, "data too short");
1.17 deraadt 260: if (silent)
261: continue;
1.1 deraadt 262: if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
263: continue;
1.59 otto 264: current = findemul(ktr_header.ktr_pid);
1.1 deraadt 265: switch (ktr_header.ktr_type) {
266: case KTR_SYSCALL:
267: ktrsyscall((struct ktr_syscall *)m);
268: break;
269: case KTR_SYSRET:
270: ktrsysret((struct ktr_sysret *)m);
271: break;
272: case KTR_NAMEI:
273: ktrnamei(m, ktrlen);
274: break;
275: case KTR_GENIO:
276: ktrgenio((struct ktr_genio *)m, ktrlen);
277: break;
278: case KTR_PSIG:
279: ktrpsig((struct ktr_psig *)m);
280: break;
281: case KTR_CSW:
282: ktrcsw((struct ktr_csw *)m);
283: break;
284: case KTR_EMUL:
285: ktremul(m, ktrlen);
1.59 otto 286: mappidtoemul(ktr_header.ktr_pid, current);
1.1 deraadt 287: break;
1.55 otto 288: case KTR_STRUCT:
289: ktrstruct(m, ktrlen);
290: break;
1.81 miod 291: case KTR_USER:
292: ktruser(m, ktrlen);
293: break;
1.1 deraadt 294: }
295: if (tail)
296: (void)fflush(stdout);
297: }
1.12 espie 298: exit(0);
1.1 deraadt 299: }
300:
1.59 otto 301: static void
302: mappidtoemul(pid_t pid, struct emulation *emul)
303: {
304: size_t i;
305: struct pid_emul *tmp;
306:
307: for (i = 0; i < pe_size; i++) {
308: if (pe_table[i].p == pid) {
309: pe_table[i].e = emul;
310: return;
311: }
312: }
313: tmp = realloc(pe_table, (pe_size + 1) * sizeof(*pe_table));
314: if (tmp == NULL)
315: err(1, NULL);
316: pe_table = tmp;
317: pe_table[pe_size].p = pid;
318: pe_table[pe_size].e = emul;
319: pe_size++;
320: }
321:
322: static struct emulation*
323: findemul(pid_t pid)
324: {
325: size_t i;
326:
327: for (i = 0; i < pe_size; i++)
328: if (pe_table[i].p == pid)
329: return pe_table[i].e;
1.60 otto 330: return def_emul;
1.59 otto 331: }
332:
1.12 espie 333: static int
1.37 tedu 334: fread_tail(void *buf, size_t size, size_t num)
1.1 deraadt 335: {
336: int i;
337:
338: while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
339: (void)sleep(1);
340: clearerr(stdin);
341: }
342: return (i);
343: }
344:
1.12 espie 345: static void
1.17 deraadt 346: dumpheader(struct ktr_header *kth)
1.1 deraadt 347: {
1.67 mikeb 348: static struct timespec prevtime;
1.1 deraadt 349: char unknown[64], *type;
1.67 mikeb 350: struct timespec temp;
1.1 deraadt 351:
352: switch (kth->ktr_type) {
353: case KTR_SYSCALL:
354: type = "CALL";
355: break;
356: case KTR_SYSRET:
357: type = "RET ";
358: break;
359: case KTR_NAMEI:
360: type = "NAMI";
361: break;
362: case KTR_GENIO:
363: type = "GIO ";
364: break;
365: case KTR_PSIG:
366: type = "PSIG";
367: break;
368: case KTR_CSW:
369: type = "CSW";
370: break;
371: case KTR_EMUL:
372: type = "EMUL";
373: break;
1.55 otto 374: case KTR_STRUCT:
375: type = "STRU";
376: break;
1.81 miod 377: case KTR_USER:
378: type = "USER";
379: break;
1.1 deraadt 380: default:
1.17 deraadt 381: (void)snprintf(unknown, sizeof unknown, "UNKNOWN(%d)",
382: kth->ktr_type);
1.1 deraadt 383: type = unknown;
384: }
385:
1.67 mikeb 386: (void)printf("%6ld", (long)kth->ktr_pid);
387: if (needtid)
1.69 mikeb 388: (void)printf("/%-7ld", (long)kth->ktr_tid);
1.67 mikeb 389: (void)printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
1.1 deraadt 390: if (timestamp) {
391: if (timestamp == 2) {
1.67 mikeb 392: timespecsub(&kth->ktr_time, &prevtime, &temp);
1.1 deraadt 393: prevtime = kth->ktr_time;
394: } else
395: temp = kth->ktr_time;
1.79 deraadt 396: printf("%lld.%06ld ", (long long)temp.tv_sec,
397: temp.tv_nsec / 1000);
1.1 deraadt 398: }
399: (void)printf("%s ", type);
400: }
401:
1.12 espie 402: static void
1.17 deraadt 403: ioctldecode(u_long cmd)
1.2 deraadt 404: {
405: char dirbuf[4], *dir = dirbuf;
406:
1.6 deraadt 407: if (cmd & IOC_IN)
408: *dir++ = 'W';
1.2 deraadt 409: if (cmd & IOC_OUT)
410: *dir++ = 'R';
411: *dir = '\0';
412:
1.33 tedu 413: printf(decimal ? ",_IO%s('%c',%lu" : ",_IO%s('%c',%#lx",
414: dirbuf, (int)((cmd >> 8) & 0xff), cmd & 0xff);
1.2 deraadt 415: if ((cmd & IOC_VOID) == 0)
1.34 tedu 416: printf(decimal ? ",%lu)" : ",%#lx)", (cmd >> 16) & 0xff);
1.2 deraadt 417: else
418: printf(")");
419: }
1.1 deraadt 420:
1.52 otto 421: static void
422: ptracedecode(void)
423: {
424: if (*ap >= 0 && *ap <
425: sizeof(ptrace_ops) / sizeof(ptrace_ops[0]))
426: (void)printf("%s", ptrace_ops[*ap]);
427: else switch(*ap) {
428: #ifdef PT_GETFPREGS
429: case PT_GETFPREGS:
430: (void)printf("PT_GETFPREGS");
431: break;
432: #endif
433: case PT_GETREGS:
434: (void)printf("PT_GETREGS");
435: break;
1.75 guenther 436: #ifdef PT_GETXMMREGS
437: case PT_GETXMMREGS:
438: (void)printf("PT_GETXMMREGS");
439: break;
440: #endif
1.52 otto 441: #ifdef PT_SETFPREGS
442: case PT_SETFPREGS:
443: (void)printf("PT_SETFPREGS");
444: break;
445: #endif
446: case PT_SETREGS:
447: (void)printf("PT_SETREGS");
448: break;
1.75 guenther 449: #ifdef PT_SETXMMREGS
450: case PT_SETXMMREGS:
451: (void)printf("PT_SETXMMREGS");
452: break;
453: #endif
1.52 otto 454: #ifdef PT_STEP
455: case PT_STEP:
456: (void)printf("PT_STEP");
457: break;
458: #endif
459: #ifdef PT_WCOOKIE
460: case PT_WCOOKIE:
461: (void)printf("PT_WCOOKIE");
462: break;
463: #endif
464: default:
465: (void)printf("%ld", (long)*ap);
466: break;
467: }
468: sep = ',';
469: ap++;
470: narg--;
471: }
472:
473: static void
474: pn(void (*f)(int))
475: {
476: if (sep)
477: (void)putchar(sep);
478: if (fancy && f != NULL)
479: f((int)*ap);
480: else if (decimal)
481: (void)printf("%ld", (long)*ap);
482: else
483: (void)printf("%#lx", (long)*ap);
484: ap++;
485: narg--;
486: sep = ',';
487: }
488:
489: #ifdef __LP64__
490: #define plln() pn(NULL)
491: #elif _BYTE_ORDER == _LITTLE_ENDIAN
492: static void
493: plln(void)
494: {
495: long long val = ((long long)*ap) & 0xffffffff;
496: ap++;
497: val |= ((long long)*ap) << 32;
498: ap++;
499: narg -= 2;
500: if (sep)
501: (void)putchar(sep);
502: if (decimal)
503: (void)printf("%lld", val);
504: else
505: (void)printf("%#llx", val);
506: sep = ',';
507: }
508: #else
509: static void
510: plln(void)
511: {
512: long long val = ((long long)*ap) << 32;
513: ap++;
514: val |= ((long long)*ap) & 0xffffffff;
515: ap++;
516: narg -= 2;
517: if (sep)
518: (void)putchar(sep);
519: if (decimal)
520: (void)printf("%lld", val);
521: else
522: (void)printf("%#llx", val);
523: sep = ',';
524: }
525: #endif
1.51 otto 526:
1.12 espie 527: static void
1.17 deraadt 528: ktrsyscall(struct ktr_syscall *ktr)
1.1 deraadt 529: {
1.52 otto 530: narg = ktr->ktr_argsize / sizeof(register_t);
531: sep = '\0';
1.1 deraadt 532:
533: if (ktr->ktr_code >= current->nsysnames || ktr->ktr_code < 0)
534: (void)printf("[%d]", ktr->ktr_code);
535: else
536: (void)printf("%s", current->sysnames[ktr->ktr_code]);
537: ap = (register_t *)((char *)ktr + sizeof(struct ktr_syscall));
1.27 mickey 538: (void)putchar('(');
1.52 otto 539:
1.54 otto 540: if (current != &emulations[0])
541: goto nonnative;
542:
1.52 otto 543: switch (ktr->ktr_code) {
544: case SYS_ioctl: {
545: const char *cp;
546:
547: pn(NULL);
548: if (!fancy)
549: break;
550: if ((cp = ioctlname(*ap)) != NULL)
551: (void)printf(",%s", cp);
552: else
553: ioctldecode(*ap);
554: ap++;
555: narg--;
556: break;
557: }
558: case SYS___sysctl: {
1.62 otto 559: const char *s;
560: int *np, n, i, *top;
1.52 otto 561:
562: if (!fancy)
563: break;
564: n = ap[1];
565: if (n > CTL_MAXNAME)
566: n = CTL_MAXNAME;
1.62 otto 567: np = top = (int *)(ap + 6);
568: for (i = 0; n--; np++, i++) {
1.52 otto 569: if (sep)
570: putchar(sep);
1.62 otto 571: if (resolv && (s = kresolvsysctl(i, top, *np)) != NULL)
572: printf("%s", s);
573: else
574: printf("%d", *np);
1.52 otto 575: sep = '.';
1.1 deraadt 576: }
1.52 otto 577:
578: sep = ',';
579: ap += 2;
580: narg -= 2;
581: break;
582: }
583: case SYS_ptrace:
584: if (!fancy)
585: break;
586: ptracedecode();
587: break;
588: case SYS_access:
589: pn(NULL);
590: pn(accessmodename);
591: break;
592: case SYS_chmod:
593: case SYS_fchmod:
1.61 matthew 594: pn(NULL);
1.52 otto 595: pn(modename);
596: break;
597: case SYS_fcntl: {
598: int cmd;
599: int arg;
600: pn(NULL);
601: if (!fancy)
602: break;
603: cmd = ap[0];
604: arg = ap[1];
605: (void)putchar(',');
606: fcntlcmdname(cmd, arg);
607: ap += 2;
608: narg -= 2;
609: break;
610: }
611: case SYS_flock:
612: pn(NULL);
613: pn(flockname);
614: break;
615: case SYS_getrlimit:
616: case SYS_setrlimit:
617: pn(rlimitname);
618: break;
619: case SYS_getsockopt:
620: case SYS_setsockopt: {
621: int level;
622:
623: pn(NULL);
624: level = *ap;
625: pn(sockoptlevelname);
626: if (level == SOL_SOCKET)
627: pn(sockoptname);
628: break;
629: }
630: case SYS_kill:
1.82 guenther 631: pn(pgid);
1.52 otto 632: pn(signame);
633: break;
634: case SYS_lseek:
635: pn(NULL);
636: /* skip padding */
637: ap++;
638: narg--;
639: plln();
640: pn(whencename);
641: break;
642: case SYS_madvise:
643: pn(NULL);
644: pn(NULL);
645: pn(madvisebehavname);
646: break;
647: case SYS_minherit:
648: pn(NULL);
649: pn(NULL);
650: pn(minheritname);
651: break;
652: case SYS_mlockall:
653: pn(mlockallname);
654: break;
655: case SYS_mmap:
656: pn(NULL);
657: pn(NULL);
658: pn(mmapprotname);
659: pn(mmapflagsname);
660: pn(NULL);
661: /* skip padding */
662: ap++;
663: narg--;
664: plln();
665: break;
666: case SYS_mprotect:
667: pn(NULL);
668: pn(NULL);
669: pn(mmapprotname);
670: break;
671: case SYS_mquery:
672: pn(NULL);
673: pn(NULL);
674: pn(mmapprotname);
675: pn(mmapflagsname);
676: pn(NULL);
677: /* skip padding */
678: ap++;
679: narg--;
680: plln();
681: break;
682: case SYS_msync:
683: pn(NULL);
684: pn(NULL);
685: pn(msyncflagsname);
686: break;
687: case SYS_msgctl:
688: pn(NULL);
689: pn(shmctlname);
690: break;
691: case SYS_open: {
692: int flags;
693: int mode;
694:
695: pn(NULL);
696: if (!fancy)
697: break;
698: flags = ap[0];
699: mode = ap[1];
700: (void)putchar(',');
701: flagsandmodename(flags, mode);
702: ap += 2;
703: narg -= 2;
704: break;
705: }
706: case SYS_pread:
707: case SYS_preadv:
708: case SYS_pwrite:
709: case SYS_pwritev:
710: pn(NULL);
711: pn(NULL);
712: pn(NULL);
713: /* skip padding */
714: ap++;
715: narg--;
716: plln();
717: break;
718: case SYS_recvmsg:
719: case SYS_sendmsg:
720: pn(NULL);
721: pn(NULL);
722: pn(sendrecvflagsname);
723: break;
724: case SYS_recvfrom:
725: case SYS_sendto:
726: pn(NULL);
727: pn(NULL);
728: pn(NULL);
729: pn(sendrecvflagsname);
730: break;
1.77 guenther 731: case SYS_shutdown:
732: pn(NULL);
733: pn(shutdownhowname);
734: break;
1.52 otto 735: case SYS___semctl:
736: pn(NULL);
737: pn(NULL);
738: pn(semctlname);
739: break;
740: case SYS_semget:
741: pn(NULL);
742: pn(NULL);
743: pn(semgetname);
744: break;
745: case SYS_shmat:
746: pn(NULL);
747: pn(NULL);
748: pn(shmatname);
749: break;
750: case SYS_shmctl:
751: pn(NULL);
752: pn(shmctlname);
753: break;
1.64 guenther 754: case SYS_clock_gettime:
755: case SYS_clock_settime:
756: case SYS_clock_getres:
757: pn(clockname);
758: break;
1.77 guenther 759: case SYS_poll:
760: pn(NULL);
761: pn(NULL);
762: pn(polltimeout);
763: break;
1.52 otto 764: case SYS_sigaction:
765: pn(signame);
766: break;
767: case SYS_sigprocmask:
768: pn(sigprocmaskhowname);
1.64 guenther 769: pn(sigset);
770: break;
771: case SYS_sigsuspend:
772: pn(sigset);
1.52 otto 773: break;
774: case SYS_socket: {
775: int sockdomain = *ap;
776:
777: pn(sockdomainname);
778: pn(socktypename);
779: if (sockdomain == PF_INET || sockdomain == PF_INET6)
780: pn(sockipprotoname);
781: break;
782: }
783: case SYS_socketpair:
784: pn(sockdomainname);
785: pn(socktypename);
786: break;
787: case SYS_truncate:
788: case SYS_ftruncate:
789: pn(NULL);
790: /* skip padding */
791: ap++;
792: narg--;
793: plln();
794: break;
795: case SYS_wait4:
1.82 guenther 796: pn(wait4pid);
1.52 otto 797: pn(NULL);
798: pn(wait4optname);
799: break;
1.77 guenther 800: case SYS_getrusage:
801: pn(rusagewho);
802: break;
1.64 guenther 803: case SYS___thrsleep:
804: pn(NULL);
805: pn(clockname);
806: break;
807: case SYS___thrsigdivert:
808: pn(sigset);
809: break;
1.61 matthew 810: case SYS_faccessat:
811: pn(atfd);
812: pn(NULL);
813: pn(accessmodename);
814: pn(atflagsname);
815: break;
816: case SYS_fchmodat:
817: pn(atfd);
818: pn(NULL);
819: pn(modename);
820: pn(atflagsname);
821: break;
822: case SYS_fchownat:
823: pn(atfd);
824: pn(NULL);
825: pn(NULL);
826: pn(NULL);
827: pn(atflagsname);
828: break;
829: case SYS_fstatat:
830: pn(atfd);
831: pn(NULL);
832: pn(NULL);
833: pn(atflagsname);
834: break;
835: case SYS_linkat:
836: pn(atfd);
837: pn(NULL);
838: pn(atfd);
839: pn(NULL);
840: pn(atflagsname);
841: break;
842: case SYS_mkdirat:
843: case SYS_mkfifoat:
844: case SYS_mknodat:
845: pn(atfd);
846: pn(NULL);
847: pn(modename);
848: break;
849: case SYS_openat: {
850: int flags;
851: int mode;
852:
853: pn(atfd);
854: pn(NULL);
855: if (!fancy)
856: break;
857: flags = ap[0];
858: mode = ap[1];
859: (void)putchar(',');
860: flagsandmodename(flags, mode);
861: ap += 2;
862: narg -= 2;
863: break;
864: }
865: case SYS_readlinkat:
866: pn(atfd);
867: break;
868: case SYS_renameat:
869: pn(atfd);
870: pn(NULL);
871: pn(atfd);
872: break;
873: case SYS_symlinkat:
874: pn(NULL);
875: pn(atfd);
876: break;
877: case SYS_unlinkat:
878: pn(atfd);
879: pn(NULL);
880: pn(atflagsname);
881: break;
882: case SYS_utimensat:
883: pn(atfd);
884: pn(NULL);
885: pn(NULL);
886: pn(atflagsname);
887: break;
1.77 guenther 888: case SYS_pathconf:
889: case SYS_fpathconf:
890: pn(NULL);
891: pn(pathconfname);
1.86 ! guenther 892: break;
! 893: case SYS_ktrace:
! 894: pn(NULL);
! 895: pn(NULL);
! 896: pn(ktracefacname);
! 897: pn(pgid);
! 898: break;
! 899: case SYS_setitimer:
! 900: case SYS_getitimer:
! 901: pn(itimername);
1.77 guenther 902: break;
1.52 otto 903: }
904:
1.54 otto 905: nonnative:
1.52 otto 906: while (narg) {
907: if (sep)
908: putchar(sep);
909: if (decimal)
910: (void)printf("%ld", (long)*ap);
911: else
912: (void)printf("%#lx", (long)*ap);
913: sep = ',';
914: ap++;
915: narg--;
1.1 deraadt 916: }
1.27 mickey 917: (void)printf(")\n");
1.62 otto 918: }
919:
920: static struct ctlname topname[] = CTL_NAMES;
921: static struct ctlname kernname[] = CTL_KERN_NAMES;
922: static struct ctlname vmname[] = CTL_VM_NAMES;
923: static struct ctlname fsname[] = CTL_FS_NAMES;
924: static struct ctlname netname[] = CTL_NET_NAMES;
925: static struct ctlname hwname[] = CTL_HW_NAMES;
926: static struct ctlname debugname[CTL_DEBUG_MAXID];
927: static struct ctlname kernmallocname[] = CTL_KERN_MALLOC_NAMES;
928: static struct ctlname forkstatname[] = CTL_KERN_FORKSTAT_NAMES;
929: static struct ctlname nchstatsname[] = CTL_KERN_NCHSTATS_NAMES;
1.64 guenther 930: static struct ctlname kernprocname[] =
931: {
932: { NULL },
933: { "all" },
934: { "pid" },
935: { "pgrp" },
936: { "session" },
937: { "tty" },
938: { "uid" },
939: { "ruid" },
1.77 guenther 940: { "kthread" },
1.64 guenther 941: };
1.62 otto 942: static struct ctlname ttysname[] = CTL_KERN_TTY_NAMES;
943: static struct ctlname semname[] = CTL_KERN_SEMINFO_NAMES;
944: static struct ctlname shmname[] = CTL_KERN_SHMINFO_NAMES;
945: static struct ctlname watchdogname[] = CTL_KERN_WATCHDOG_NAMES;
946: static struct ctlname tcname[] = CTL_KERN_TIMECOUNTER_NAMES;
947: #ifdef CTL_MACHDEP_NAMES
948: static struct ctlname machdepname[] = CTL_MACHDEP_NAMES;
949: #endif
950: static struct ctlname ddbname[] = CTL_DDB_NAMES;
951:
952: #ifndef nitems
953: #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
954: #endif
955:
956: #define SETNAME(name) do { names = (name); limit = nitems(name); } while (0)
957:
958: static const char *
959: kresolvsysctl(int depth, int *top, int idx)
960: {
961: struct ctlname *names;
962: size_t limit;
963:
964: names = NULL;
965:
966: switch (depth) {
967: case 0:
968: SETNAME(topname);
969: break;
970: case 1:
971: switch (top[0]) {
972: case CTL_KERN:
973: SETNAME(kernname);
974: break;
975: case CTL_VM:
976: SETNAME(vmname);
977: break;
978: case CTL_FS:
979: SETNAME(fsname);
980: break;
981: case CTL_NET:
982: SETNAME(netname);
983: break;
984: case CTL_DEBUG:
985: SETNAME(debugname);
986: break;
987: case CTL_HW:
988: SETNAME(hwname);
989: break;
990: #ifdef CTL_MACHDEP_NAMES
991: case CTL_MACHDEP:
992: SETNAME(machdepname);
993: break;
994: #endif
995: case CTL_DDB:
996: SETNAME(ddbname);
997: break;
998: }
999: break;
1000: case 2:
1001: switch (top[0]) {
1002: case CTL_KERN:
1003: switch (top[1]) {
1004: case KERN_MALLOCSTATS:
1005: SETNAME(kernmallocname);
1006: break;
1007: case KERN_FORKSTAT:
1008: SETNAME(forkstatname);
1009: break;
1010: case KERN_NCHSTATS:
1011: SETNAME(nchstatsname);
1012: break;
1013: case KERN_TTY:
1014: SETNAME(ttysname);
1015: break;
1016: case KERN_SEMINFO:
1017: SETNAME(semname);
1018: break;
1019: case KERN_SHMINFO:
1020: SETNAME(shmname);
1021: break;
1022: case KERN_WATCHDOG:
1023: SETNAME(watchdogname);
1024: break;
1.64 guenther 1025: case KERN_PROC:
1026: idx++; /* zero is valid at this level */
1027: SETNAME(kernprocname);
1028: break;
1.62 otto 1029: case KERN_TIMECOUNTER:
1030: SETNAME(tcname);
1031: break;
1032: }
1033: }
1034: break;
1035: }
1036: if (names != NULL && idx > 0 && idx < limit)
1037: return (names[idx].ctl_name);
1038: return (NULL);
1.1 deraadt 1039: }
1040:
1.12 espie 1041: static void
1.17 deraadt 1042: ktrsysret(struct ktr_sysret *ktr)
1.1 deraadt 1043: {
1.50 deraadt 1044: register_t ret = ktr->ktr_retval;
1.12 espie 1045: int error = ktr->ktr_error;
1046: int code = ktr->ktr_code;
1.1 deraadt 1047:
1048: if (code >= current->nsysnames || code < 0)
1049: (void)printf("[%d] ", code);
1.59 otto 1050: else {
1.1 deraadt 1051: (void)printf("%s ", current->sysnames[code]);
1.59 otto 1052: if (ret > 0 && (strcmp(current->sysnames[code], "fork") == 0 ||
1053: strcmp(current->sysnames[code], "vfork") == 0 ||
1.64 guenther 1054: strcmp(current->sysnames[code], "__tfork") == 0 ||
1.59 otto 1055: strcmp(current->sysnames[code], "clone") == 0))
1056: mappidtoemul(ret, current);
1057: }
1.1 deraadt 1058:
1059: if (error == 0) {
1060: if (fancy) {
1.64 guenther 1061: switch (current == &emulations[0] ? code : -1) {
1062: case SYS_sigprocmask:
1.73 guenther 1063: case SYS_sigpending:
1.64 guenther 1064: sigset(ret);
1065: break;
1066: case SYS___thrsigdivert:
1067: signame(ret);
1068: break;
1069: case -1: /* non-default emulation */
1070: default:
1071: (void)printf("%ld", (long)ret);
1072: if (ret < 0 || ret > 9)
1073: (void)printf("/%#lx", (long)ret);
1074: }
1.1 deraadt 1075: } else {
1076: if (decimal)
1.50 deraadt 1077: (void)printf("%ld", (long)ret);
1.1 deraadt 1078: else
1.50 deraadt 1079: (void)printf("%#lx", (long)ret);
1.1 deraadt 1080: }
1081: } else if (error == ERESTART)
1082: (void)printf("RESTART");
1083: else if (error == EJUSTRETURN)
1084: (void)printf("JUSTRETURN");
1085: else {
1086: (void)printf("-1 errno %d", ktr->ktr_error);
1087: if (fancy)
1088: (void)printf(" %s", strerror(ktr->ktr_error));
1089: }
1090: (void)putchar('\n');
1091: }
1092:
1.12 espie 1093: static void
1.37 tedu 1094: ktrnamei(const char *cp, size_t len)
1.1 deraadt 1095: {
1.37 tedu 1096: (void)printf("\"%.*s\"\n", (int)len, cp);
1.1 deraadt 1097: }
1098:
1.12 espie 1099: static void
1.37 tedu 1100: ktremul(char *cp, size_t len)
1.1 deraadt 1101: {
1102: char name[1024];
1103:
1104: if (len >= sizeof(name))
1105: errx(1, "Emulation name too long");
1106:
1107: strncpy(name, cp, len);
1108: name[len] = '\0';
1109: (void)printf("\"%s\"\n", name);
1110:
1111: setemul(name);
1112: }
1113:
1.12 espie 1114: static void
1.81 miod 1115: showbuf(unsigned char *dp, size_t datalen)
1.1 deraadt 1116: {
1.37 tedu 1117: int i, j;
1.81 miod 1118: static int screenwidth;
1.31 tedu 1119: int col = 0, width, bpl;
1.32 tedu 1120: unsigned char visbuf[5], *cp, c;
1.1 deraadt 1121:
1122: if (screenwidth == 0) {
1123: struct winsize ws;
1124:
1125: if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1126: ws.ws_col > 8)
1127: screenwidth = ws.ws_col;
1128: else
1129: screenwidth = 80;
1130: }
1.31 tedu 1131: if (iohex == 1) {
1132: putchar('\t');
1133: col = 8;
1134: for (i = 0; i < datalen; i++) {
1.35 tedu 1135: printf("%02x", dp[i]);
1.31 tedu 1136: col += 3;
1137: if (i < datalen - 1) {
1138: if (col + 3 > screenwidth) {
1139: printf("\n\t");
1140: col = 8;
1141: } else
1142: putchar(' ');
1143: }
1144: }
1145: putchar('\n');
1146: return;
1147: }
1148: if (iohex == 2) {
1149: bpl = (screenwidth - 13)/4;
1150: if (bpl <= 0)
1151: bpl = 1;
1152: for (i = 0; i < datalen; i += bpl) {
1153: printf(" %04x: ", i);
1154: for (j = 0; j < bpl; j++) {
1155: if (i+j >= datalen)
1156: printf(" ");
1157: else
1.35 tedu 1158: printf("%02x ", dp[i+j]);
1.31 tedu 1159: }
1160: putchar(' ');
1161: for (j = 0; j < bpl; j++) {
1162: if (i+j >= datalen)
1163: break;
1164: c = dp[i+j];
1165: if (!isprint(c))
1166: c = '.';
1167: putchar(c);
1168: }
1169: putchar('\n');
1170: }
1171: return;
1172: }
1.1 deraadt 1173: (void)printf(" \"");
1174: col = 8;
1175: for (; datalen > 0; datalen--, dp++) {
1.31 tedu 1176: (void)vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1.1 deraadt 1177: cp = visbuf;
1.17 deraadt 1178:
1.1 deraadt 1179: /*
1180: * Keep track of printables and
1181: * space chars (like fold(1)).
1182: */
1183: if (col == 0) {
1184: (void)putchar('\t');
1185: col = 8;
1186: }
1.17 deraadt 1187: switch (*cp) {
1.1 deraadt 1188: case '\n':
1189: col = 0;
1190: (void)putchar('\n');
1191: continue;
1192: case '\t':
1193: width = 8 - (col&07);
1194: break;
1195: default:
1196: width = strlen(cp);
1197: }
1198: if (col + width > (screenwidth-2)) {
1199: (void)printf("\\\n\t");
1200: col = 8;
1201: }
1202: col += width;
1203: do {
1204: (void)putchar(*cp++);
1205: } while (*cp);
1206: }
1207: if (col == 0)
1208: (void)printf(" ");
1209: (void)printf("\"\n");
1210: }
1211:
1.12 espie 1212: static void
1.81 miod 1213: ktrgenio(struct ktr_genio *ktr, size_t len)
1214: {
1215: unsigned char *dp = (unsigned char *)ktr + sizeof(struct ktr_genio);
1216: size_t datalen = len - sizeof(struct ktr_genio);
1217:
1218: printf("fd %d %s %zu bytes\n", ktr->ktr_fd,
1219: ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen);
1220: if (maxdata == 0)
1221: return;
1222: if (datalen > maxdata)
1223: datalen = maxdata;
1224: if (iohex && !datalen)
1225: return;
1226: showbuf(dp, datalen);
1227: }
1228:
1229: static void
1.17 deraadt 1230: ktrpsig(struct ktr_psig *psig)
1.1 deraadt 1231: {
1232: (void)printf("SIG%s ", sys_signame[psig->signo]);
1233: if (psig->action == SIG_DFL)
1.63 deraadt 1234: (void)printf("SIG_DFL");
1.64 guenther 1235: else {
1236: (void)printf("caught handler=0x%lx mask=",
1237: (u_long)psig->action);
1238: sigset(psig->mask);
1239: }
1.63 deraadt 1240: if (psig->code) {
1241: printf(" code ");
1242: if (fancy) {
1243: switch (psig->signo) {
1244: case SIGILL:
1245: sigill_name(psig->code);
1246: break;
1247: case SIGTRAP:
1248: sigtrap_name(psig->code);
1249: break;
1250: case SIGEMT:
1251: sigemt_name(psig->code);
1252: break;
1253: case SIGFPE:
1254: sigfpe_name(psig->code);
1255: break;
1256: case SIGBUS:
1257: sigbus_name(psig->code);
1258: break;
1259: case SIGSEGV:
1260: sigsegv_name(psig->code);
1261: break;
1262: case SIGCHLD:
1263: sigchld_name(psig->code);
1264: break;
1265: }
1266: }
1267: printf("<%d>", psig->code);
1268: }
1269:
1.14 deraadt 1270: switch (psig->signo) {
1271: case SIGSEGV:
1272: case SIGILL:
1273: case SIGBUS:
1274: case SIGFPE:
1275: printf(" addr=%p trapno=%d", psig->si.si_addr,
1276: psig->si.si_trapno);
1277: break;
1278: default:
1279: break;
1280: }
1281: printf("\n");
1.1 deraadt 1282: }
1283:
1.12 espie 1284: static void
1.17 deraadt 1285: ktrcsw(struct ktr_csw *cs)
1.1 deraadt 1286: {
1287: (void)printf("%s %s\n", cs->out ? "stop" : "resume",
1288: cs->user ? "user" : "kernel");
1289: }
1290:
1.64 guenther 1291: static void
1.81 miod 1292: ktruser(struct ktr_user *usr, size_t len)
1293: {
1294: len -= sizeof(struct ktr_user);
1295: printf("%.*s:", KTR_USER_MAXIDLEN, usr->ktr_id);
1296: printf(" %zu bytes\n", len);
1297: showbuf((unsigned char *)(usr + 1), len);
1298: }
1299:
1300: static void
1.17 deraadt 1301: usage(void)
1.1 deraadt 1302: {
1303:
1.19 mickey 1304: extern char *__progname;
1305: fprintf(stderr, "usage: %s "
1.68 jmc 1306: "[-dHlnRrTXx] [-e emulation] [-f file] [-m maxdata] [-p pid]\n"
1.81 miod 1307: "%*s[-t [ceinstuw]]\n",
1.51 otto 1308: __progname, (int)(sizeof("usage: ") + strlen(__progname)), "");
1.1 deraadt 1309: exit(1);
1310: }
1311:
1.12 espie 1312: static void
1.17 deraadt 1313: setemul(const char *name)
1.1 deraadt 1314: {
1315: int i;
1.17 deraadt 1316:
1.1 deraadt 1317: for (i = 0; emulations[i].name != NULL; i++)
1318: if (strcmp(emulations[i].name, name) == 0) {
1319: current = &emulations[i];
1320: return;
1321: }
1322: warnx("Emulation `%s' unknown", name);
1.61 matthew 1323: }
1324:
1325: static void
1326: atfd(int fd)
1327: {
1328: if (fd == AT_FDCWD)
1329: (void)printf("AT_FDCWD");
1330: else if (decimal)
1331: (void)printf("%d", fd);
1332: else
1333: (void)printf("%#x", fd);
1.77 guenther 1334: }
1335:
1336: static void
1337: polltimeout(int timeout)
1338: {
1339: if (timeout == INFTIM)
1340: (void)printf("INFTIM");
1341: else if (decimal)
1342: (void)printf("%d", timeout);
1343: else
1344: (void)printf("%#x", timeout);
1.82 guenther 1345: }
1346:
1347: static void
1348: pgid(int pid)
1349: {
1350: (void)printf("%d", pid);
1351: }
1352:
1353: static void
1354: wait4pid(int pid)
1355: {
1356: if (pid == WAIT_ANY)
1357: (void)printf("WAIT_ANY");
1358: else if (pid == WAIT_MYPGRP)
1359: (void)printf("WAIT_MYPGRP");
1360: else
1361: pgid(pid);
1.1 deraadt 1362: }
1.83 guenther 1363:
1364: static void
1365: signame(int sig)
1366: {
1367: if (sig > 0 && sig < NSIG)
1368: (void)printf("SIG%s", sys_signame[sig]);
1369: else
1370: (void)printf("SIG %d", sig);
1371: }
1372:
1.84 guenther 1373: void
1.83 guenther 1374: sigset(int ss)
1375: {
1376: int or = 0;
1377: int cnt = 0;
1378: int i;
1379:
1380: for (i = 1; i < NSIG; i++)
1381: if (sigismember(&ss, i))
1382: cnt++;
1383: if (cnt > (NSIG-1)/2) {
1384: ss = ~ss;
1385: putchar('~');
1386: }
1387:
1388: if (ss == 0) {
1389: (void)printf("0<>");
1390: return;
1391: }
1392:
1393: printf("%#x<", ss);
1394: for (i = 1; i < NSIG; i++)
1395: if (sigismember(&ss, i)) {
1396: if (or) putchar('|'); else or=1;
1397: signame(i);
1398: }
1399: printf(">");
1400: }
1401:
1402: static void
1403: semctlname(int cmd)
1404: {
1405: switch (cmd) {
1406: case GETNCNT:
1407: (void)printf("GETNCNT");
1408: break;
1409: case GETPID:
1410: (void)printf("GETPID");
1411: break;
1412: case GETVAL:
1413: (void)printf("GETVAL");
1414: break;
1415: case GETALL:
1416: (void)printf("GETALL");
1417: break;
1418: case GETZCNT:
1419: (void)printf("GETZCNT");
1420: break;
1421: case SETVAL:
1422: (void)printf("SETVAL");
1423: break;
1424: case SETALL:
1425: (void)printf("SETALL");
1426: break;
1427: case IPC_RMID:
1428: (void)printf("IPC_RMID");
1429: break;
1430: case IPC_SET:
1431: (void)printf("IPC_SET");
1432: break;
1433: case IPC_STAT:
1434: (void)printf("IPC_STAT");
1435: break;
1436: default: /* Should not reach */
1437: (void)printf("<invalid=%ld>", (long)cmd);
1438: }
1439: }
1440:
1441: static void
1442: shmctlname(int cmd) {
1443: switch (cmd) {
1444: case IPC_RMID:
1445: (void)printf("IPC_RMID");
1446: break;
1447: case IPC_SET:
1448: (void)printf("IPC_SET");
1449: break;
1450: case IPC_STAT:
1451: (void)printf("IPC_STAT");
1452: break;
1453: default: /* Should not reach */
1454: (void)printf("<invalid=%ld>", (long)cmd);
1455: }
1456: }
1457:
1458:
1459: static void
1460: semgetname(int flag) {
1461: int or = 0;
1462: if_print_or(flag, IPC_CREAT, or);
1463: if_print_or(flag, IPC_EXCL, or);
1464: if_print_or(flag, SEM_R, or);
1465: if_print_or(flag, SEM_A, or);
1466: if_print_or(flag, (SEM_R>>3), or);
1467: if_print_or(flag, (SEM_A>>3), or);
1468: if_print_or(flag, (SEM_R>>6), or);
1469: if_print_or(flag, (SEM_A>>6), or);
1470: }
1471:
1472:
1473: /*
1474: * Only used by SYS_open. Unless O_CREAT is set in flags, the
1475: * mode argument is unused (and often bogus and misleading).
1476: */
1477: static void
1478: flagsandmodename(int flags, int mode) {
1479: flagsname (flags);
1480: if ((flags & O_CREAT) == O_CREAT) {
1481: (void)putchar(',');
1482: modename (mode);
1483: } else if (!fancy) {
1484: (void)putchar(',');
1485: if (decimal) {
1486: (void)printf("<unused>%ld", (long)mode);
1487: } else {
1488: (void)printf("<unused>%#lx", (long)mode);
1489: }
1490: }
1491: }
1492:
1493: static void
1494: clockname(int clockid)
1495: {
1496: clocktypename(__CLOCK_TYPE(clockid));
1497: if (__CLOCK_PTID(clockid) != 0)
1498: printf("(%d)", __CLOCK_PTID(clockid));
1499: }
1500:
1501: /*
1502: * [g|s]etsockopt's level argument can either be SOL_SOCKET or a value
1503: * referring to a line in /etc/protocols . It might be appropriate
1504: * to use getprotoent(3) here.
1505: */
1506: static void
1507: sockoptlevelname(int level)
1508: {
1509: if (level == SOL_SOCKET) {
1510: (void)printf("SOL_SOCKET");
1511: } else {
1512: if (decimal) {
1513: (void)printf("%ld", (long)level);
1514: } else {
1515: (void)printf("%#lx", (long)level);
1516: }
1517: }
1518: }
1519: