xref: /freebsd/usr.bin/kdump/kdump.c (revision b4e38a41f584ad4391c04b8cfec81f46176b18b0)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
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.
15  * 3. Neither the name of the University nor the names of its contributors
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 #ifndef lint
33 static const char copyright[] =
34 "@(#) Copyright (c) 1988, 1993\n\
35 	The Regents of the University of California.  All rights reserved.\n";
36 #endif /* not lint */
37 
38 #ifndef lint
39 #if 0
40 static char sccsid[] = "@(#)kdump.c	8.1 (Berkeley) 6/6/93";
41 #endif
42 #endif /* not lint */
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
45 
46 #define _WANT_KERNEL_ERRNO
47 #ifdef __LP64__
48 #define	_WANT_KEVENT32
49 #endif
50 #define	_WANT_FREEBSD11_KEVENT
51 #include <sys/param.h>
52 #include <sys/capsicum.h>
53 #include <sys/errno.h>
54 #include <sys/time.h>
55 #include <sys/uio.h>
56 #include <sys/event.h>
57 #include <sys/ktrace.h>
58 #include <sys/mman.h>
59 #include <sys/ioctl.h>
60 #include <sys/socket.h>
61 #include <sys/stat.h>
62 #include <sys/sysent.h>
63 #include <sys/umtx.h>
64 #include <sys/un.h>
65 #include <sys/queue.h>
66 #include <sys/wait.h>
67 #ifdef WITH_CASPER
68 #include <sys/nv.h>
69 #endif
70 #include <arpa/inet.h>
71 #include <netinet/in.h>
72 #include <ctype.h>
73 #include <capsicum_helpers.h>
74 #include <err.h>
75 #include <grp.h>
76 #include <inttypes.h>
77 #include <locale.h>
78 #include <netdb.h>
79 #include <nl_types.h>
80 #include <pwd.h>
81 #include <stddef.h>
82 #include <stdio.h>
83 #include <stdlib.h>
84 #include <string.h>
85 #include <sysdecode.h>
86 #include <time.h>
87 #include <unistd.h>
88 #include <vis.h>
89 #include "ktrace.h"
90 
91 #ifdef WITH_CASPER
92 #include <libcasper.h>
93 
94 #include <casper/cap_grp.h>
95 #include <casper/cap_pwd.h>
96 #endif
97 
98 int fetchprocinfo(struct ktr_header *, u_int *);
99 u_int findabi(struct ktr_header *);
100 int fread_tail(void *, int, int);
101 void dumpheader(struct ktr_header *, u_int);
102 void ktrsyscall(struct ktr_syscall *, u_int);
103 void ktrsysret(struct ktr_sysret *, u_int);
104 void ktrnamei(char *, int);
105 void hexdump(char *, int, int);
106 void visdump(char *, int, int);
107 void ktrgenio(struct ktr_genio *, int);
108 void ktrpsig(struct ktr_psig *);
109 void ktrcsw(struct ktr_csw *);
110 void ktrcsw_old(struct ktr_csw_old *);
111 void ktruser(int, void *);
112 void ktrcaprights(cap_rights_t *);
113 void ktritimerval(struct itimerval *it);
114 void ktrsockaddr(struct sockaddr *);
115 void ktrstat(struct stat *);
116 void ktrstruct(char *, size_t);
117 void ktrcapfail(struct ktr_cap_fail *);
118 void ktrfault(struct ktr_fault *);
119 void ktrfaultend(struct ktr_faultend *);
120 void ktrkevent(struct kevent *);
121 void ktrstructarray(struct ktr_struct_array *, size_t);
122 void usage(void);
123 
124 #define	TIMESTAMP_NONE		0x0
125 #define	TIMESTAMP_ABSOLUTE	0x1
126 #define	TIMESTAMP_ELAPSED	0x2
127 #define	TIMESTAMP_RELATIVE	0x4
128 
129 static bool abiflag, decimal, fancy = true, resolv, suppressdata, syscallno,
130     tail, threads;
131 static int timestamp, maxdata;
132 static const char *tracefile = DEF_TRACEFILE;
133 static struct ktr_header ktr_header;
134 
135 #define TIME_FORMAT	"%b %e %T %Y"
136 #define eqs(s1, s2)	(strcmp((s1), (s2)) == 0)
137 
138 #define	print_number64(first,i,n,c) do {				\
139 	uint64_t __v;							\
140 									\
141 	if (quad_align && (((ptrdiff_t)((i) - (first))) & 1) == 1) {	\
142 		(i)++;							\
143 		(n)--;							\
144 	}								\
145 	if (quad_slots == 2)						\
146 		__v = (uint64_t)(uint32_t)(i)[0] |			\
147 		    ((uint64_t)(uint32_t)(i)[1]) << 32;			\
148 	else								\
149 		__v = (uint64_t)*(i);					\
150 	if (decimal)							\
151 		printf("%c%jd", (c), (intmax_t)__v);			\
152 	else								\
153 		printf("%c%#jx", (c), (uintmax_t)__v);			\
154 	(i) += quad_slots;						\
155 	(n) -= quad_slots;						\
156 	(c) = ',';							\
157 } while (0)
158 
159 #define print_number(i,n,c) do {					\
160 	if (decimal)							\
161 		printf("%c%jd", c, (intmax_t)*i);			\
162 	else								\
163 		printf("%c%#jx", c, (uintmax_t)(u_register_t)*i);	\
164 	i++;								\
165 	n--;								\
166 	c = ',';							\
167 } while (0)
168 
169 struct proc_info
170 {
171 	TAILQ_ENTRY(proc_info)	info;
172 	u_int			sv_flags;
173 	pid_t			pid;
174 };
175 
176 static TAILQ_HEAD(trace_procs, proc_info) trace_procs;
177 
178 #ifdef WITH_CASPER
179 static cap_channel_t *cappwd, *capgrp;
180 
181 static int
182 cappwdgrp_setup(cap_channel_t **cappwdp, cap_channel_t **capgrpp)
183 {
184 	cap_channel_t *capcas, *cappwdloc, *capgrploc;
185 	const char *cmds[1], *fields[1];
186 
187 	capcas = cap_init();
188 	if (capcas == NULL) {
189 		err(1, "unable to create casper process");
190 		exit(1);
191 	}
192 	cappwdloc = cap_service_open(capcas, "system.pwd");
193 	capgrploc = cap_service_open(capcas, "system.grp");
194 	/* Casper capability no longer needed. */
195 	cap_close(capcas);
196 	if (cappwdloc == NULL || capgrploc == NULL) {
197 		if (cappwdloc == NULL)
198 			warn("unable to open system.pwd service");
199 		if (capgrploc == NULL)
200 			warn("unable to open system.grp service");
201 		exit(1);
202 	}
203 	/* Limit system.pwd to only getpwuid() function and pw_name field. */
204 	cmds[0] = "getpwuid";
205 	if (cap_pwd_limit_cmds(cappwdloc, cmds, 1) < 0)
206 		err(1, "unable to limit system.pwd service");
207 	fields[0] = "pw_name";
208 	if (cap_pwd_limit_fields(cappwdloc, fields, 1) < 0)
209 		err(1, "unable to limit system.pwd service");
210 	/* Limit system.grp to only getgrgid() function and gr_name field. */
211 	cmds[0] = "getgrgid";
212 	if (cap_grp_limit_cmds(capgrploc, cmds, 1) < 0)
213 		err(1, "unable to limit system.grp service");
214 	fields[0] = "gr_name";
215 	if (cap_grp_limit_fields(capgrploc, fields, 1) < 0)
216 		err(1, "unable to limit system.grp service");
217 
218 	*cappwdp = cappwdloc;
219 	*capgrpp = capgrploc;
220 	return (0);
221 }
222 #endif	/* WITH_CASPER */
223 
224 static void
225 print_integer_arg(const char *(*decoder)(int), int value)
226 {
227 	const char *str;
228 
229 	str = decoder(value);
230 	if (str != NULL)
231 		printf("%s", str);
232 	else {
233 		if (decimal)
234 			printf("<invalid=%d>", value);
235 		else
236 			printf("<invalid=%#x>", value);
237 	}
238 }
239 
240 /* Like print_integer_arg but unknown values are treated as valid. */
241 static void
242 print_integer_arg_valid(const char *(*decoder)(int), int value)
243 {
244 	const char *str;
245 
246 	str = decoder(value);
247 	if (str != NULL)
248 		printf("%s", str);
249 	else {
250 		if (decimal)
251 			printf("%d", value);
252 		else
253 			printf("%#x", value);
254 	}
255 }
256 
257 static void
258 print_mask_arg(bool (*decoder)(FILE *, int, int *), int value)
259 {
260 	bool invalid;
261 	int rem;
262 
263 	printf("%#x<", value);
264 	invalid = !decoder(stdout, value, &rem);
265 	printf(">");
266 	if (invalid)
267 		printf("<invalid>%u", rem);
268 }
269 
270 static void
271 print_mask_arg0(bool (*decoder)(FILE *, int, int *), int value)
272 {
273 	bool invalid;
274 	int rem;
275 
276 	if (value == 0) {
277 		printf("0");
278 		return;
279 	}
280 	printf("%#x<", value);
281 	invalid = !decoder(stdout, value, &rem);
282 	printf(">");
283 	if (invalid)
284 		printf("<invalid>%u", rem);
285 }
286 
287 static void
288 decode_fileflags(fflags_t value)
289 {
290 	bool invalid;
291 	fflags_t rem;
292 
293 	if (value == 0) {
294 		printf("0");
295 		return;
296 	}
297 	printf("%#x<", value);
298 	invalid = !sysdecode_fileflags(stdout, value, &rem);
299 	printf(">");
300 	if (invalid)
301 		printf("<invalid>%u", rem);
302 }
303 
304 static void
305 decode_filemode(int value)
306 {
307 	bool invalid;
308 	int rem;
309 
310 	if (value == 0) {
311 		printf("0");
312 		return;
313 	}
314 	printf("%#o<", value);
315 	invalid = !sysdecode_filemode(stdout, value, &rem);
316 	printf(">");
317 	if (invalid)
318 		printf("<invalid>%u", rem);
319 }
320 
321 static void
322 print_mask_arg32(bool (*decoder)(FILE *, uint32_t, uint32_t *), uint32_t value)
323 {
324 	bool invalid;
325 	uint32_t rem;
326 
327 	printf("%#x<", value);
328 	invalid = !decoder(stdout, value, &rem);
329 	printf(">");
330 	if (invalid)
331 		printf("<invalid>%u", rem);
332 }
333 
334 static void
335 print_mask_argul(bool (*decoder)(FILE *, u_long, u_long *), u_long value)
336 {
337 	bool invalid;
338 	u_long rem;
339 
340 	if (value == 0) {
341 		printf("0");
342 		return;
343 	}
344 	printf("%#lx<", value);
345 	invalid = !decoder(stdout, value, &rem);
346 	printf(">");
347 	if (invalid)
348 		printf("<invalid>%lu", rem);
349 }
350 
351 int
352 main(int argc, char *argv[])
353 {
354 	int ch, ktrlen, size;
355 	void *m;
356 	int trpoints = ALL_POINTS;
357 	int drop_logged;
358 	pid_t pid = 0;
359 	u_int sv_flags;
360 
361 	setlocale(LC_CTYPE, "");
362 
363 	timestamp = TIMESTAMP_NONE;
364 
365 	while ((ch = getopt(argc,argv,"f:dElm:np:AHRrSsTt:")) != -1)
366 		switch (ch) {
367 		case 'A':
368 			abiflag = true;
369 			break;
370 		case 'f':
371 			tracefile = optarg;
372 			break;
373 		case 'd':
374 			decimal = true;
375 			break;
376 		case 'l':
377 			tail = true;
378 			break;
379 		case 'm':
380 			maxdata = atoi(optarg);
381 			break;
382 		case 'n':
383 			fancy = false;
384 			break;
385 		case 'p':
386 			pid = atoi(optarg);
387 			break;
388 		case 'r':
389 			resolv = true;
390 			break;
391 		case 'S':
392 			syscallno = true;
393 			break;
394 		case 's':
395 			suppressdata = true;
396 			break;
397 		case 'E':
398 			timestamp |= TIMESTAMP_ELAPSED;
399 			break;
400 		case 'H':
401 			threads = true;
402 			break;
403 		case 'R':
404 			timestamp |= TIMESTAMP_RELATIVE;
405 			break;
406 		case 'T':
407 			timestamp |= TIMESTAMP_ABSOLUTE;
408 			break;
409 		case 't':
410 			trpoints = getpoints(optarg);
411 			if (trpoints < 0)
412 				errx(1, "unknown trace point in %s", optarg);
413 			break;
414 		default:
415 			usage();
416 		}
417 
418 	if (argc > optind)
419 		usage();
420 
421 	m = malloc(size = 1025);
422 	if (m == NULL)
423 		errx(1, "%s", strerror(ENOMEM));
424 	if (strcmp(tracefile, "-") != 0)
425 		if (!freopen(tracefile, "r", stdin))
426 			err(1, "%s", tracefile);
427 
428 	caph_cache_catpages();
429 	caph_cache_tzdata();
430 
431 #ifdef WITH_CASPER
432 	if (resolv) {
433 		if (cappwdgrp_setup(&cappwd, &capgrp) < 0) {
434 			cappwd = NULL;
435 			capgrp = NULL;
436 		}
437 	}
438 	if (!resolv || (cappwd != NULL && capgrp != NULL)) {
439 		if (caph_enter() < 0)
440 			err(1, "unable to enter capability mode");
441 	}
442 #else
443 	if (!resolv) {
444 		if (caph_enter() < 0)
445 			err(1, "unable to enter capability mode");
446 	}
447 #endif
448 	if (caph_limit_stdio() == -1)
449 		err(1, "unable to limit stdio");
450 
451 	TAILQ_INIT(&trace_procs);
452 	drop_logged = 0;
453 	while (fread_tail(&ktr_header, sizeof(struct ktr_header), 1)) {
454 		if (ktr_header.ktr_type & KTR_DROP) {
455 			ktr_header.ktr_type &= ~KTR_DROP;
456 			if (!drop_logged && threads) {
457 				printf(
458 				    "%6jd %6jd %-8.*s Events dropped.\n",
459 				    (intmax_t)ktr_header.ktr_pid,
460 				    ktr_header.ktr_tid > 0 ?
461 				    (intmax_t)ktr_header.ktr_tid : 0,
462 				    MAXCOMLEN, ktr_header.ktr_comm);
463 				drop_logged = 1;
464 			} else if (!drop_logged) {
465 				printf("%6jd %-8.*s Events dropped.\n",
466 				    (intmax_t)ktr_header.ktr_pid, MAXCOMLEN,
467 				    ktr_header.ktr_comm);
468 				drop_logged = 1;
469 			}
470 		}
471 		if ((ktrlen = ktr_header.ktr_len) < 0)
472 			errx(1, "bogus length 0x%x", ktrlen);
473 		if (ktrlen > size) {
474 			m = realloc(m, ktrlen+1);
475 			if (m == NULL)
476 				errx(1, "%s", strerror(ENOMEM));
477 			size = ktrlen;
478 		}
479 		if (ktrlen && fread_tail(m, ktrlen, 1) == 0)
480 			errx(1, "data too short");
481 		if (fetchprocinfo(&ktr_header, (u_int *)m) != 0)
482 			continue;
483 		if (pid && ktr_header.ktr_pid != pid &&
484 		    ktr_header.ktr_tid != pid)
485 			continue;
486 		if ((trpoints & (1<<ktr_header.ktr_type)) == 0)
487 			continue;
488 		sv_flags = findabi(&ktr_header);
489 		dumpheader(&ktr_header, sv_flags);
490 		drop_logged = 0;
491 		switch (ktr_header.ktr_type) {
492 		case KTR_SYSCALL:
493 			ktrsyscall((struct ktr_syscall *)m, sv_flags);
494 			break;
495 		case KTR_SYSRET:
496 			ktrsysret((struct ktr_sysret *)m, sv_flags);
497 			break;
498 		case KTR_NAMEI:
499 		case KTR_SYSCTL:
500 			ktrnamei(m, ktrlen);
501 			break;
502 		case KTR_GENIO:
503 			ktrgenio((struct ktr_genio *)m, ktrlen);
504 			break;
505 		case KTR_PSIG:
506 			ktrpsig((struct ktr_psig *)m);
507 			break;
508 		case KTR_CSW:
509 			if (ktrlen == sizeof(struct ktr_csw_old))
510 				ktrcsw_old((struct ktr_csw_old *)m);
511 			else
512 				ktrcsw((struct ktr_csw *)m);
513 			break;
514 		case KTR_USER:
515 			ktruser(ktrlen, m);
516 			break;
517 		case KTR_STRUCT:
518 			ktrstruct(m, ktrlen);
519 			break;
520 		case KTR_CAPFAIL:
521 			ktrcapfail((struct ktr_cap_fail *)m);
522 			break;
523 		case KTR_FAULT:
524 			ktrfault((struct ktr_fault *)m);
525 			break;
526 		case KTR_FAULTEND:
527 			ktrfaultend((struct ktr_faultend *)m);
528 			break;
529 		case KTR_STRUCT_ARRAY:
530 			ktrstructarray((struct ktr_struct_array *)m, ktrlen);
531 			break;
532 		default:
533 			printf("\n");
534 			break;
535 		}
536 		if (tail)
537 			fflush(stdout);
538 	}
539 	return 0;
540 }
541 
542 int
543 fread_tail(void *buf, int size, int num)
544 {
545 	int i;
546 
547 	while ((i = fread(buf, size, num, stdin)) == 0 && tail) {
548 		sleep(1);
549 		clearerr(stdin);
550 	}
551 	return (i);
552 }
553 
554 int
555 fetchprocinfo(struct ktr_header *kth, u_int *flags)
556 {
557 	struct proc_info *pi;
558 
559 	switch (kth->ktr_type) {
560 	case KTR_PROCCTOR:
561 		TAILQ_FOREACH(pi, &trace_procs, info) {
562 			if (pi->pid == kth->ktr_pid) {
563 				TAILQ_REMOVE(&trace_procs, pi, info);
564 				break;
565 			}
566 		}
567 		pi = malloc(sizeof(struct proc_info));
568 		if (pi == NULL)
569 			errx(1, "%s", strerror(ENOMEM));
570 		pi->sv_flags = *flags;
571 		pi->pid = kth->ktr_pid;
572 		TAILQ_INSERT_TAIL(&trace_procs, pi, info);
573 		return (1);
574 
575 	case KTR_PROCDTOR:
576 		TAILQ_FOREACH(pi, &trace_procs, info) {
577 			if (pi->pid == kth->ktr_pid) {
578 				TAILQ_REMOVE(&trace_procs, pi, info);
579 				free(pi);
580 				break;
581 			}
582 		}
583 		return (1);
584 	}
585 
586 	return (0);
587 }
588 
589 u_int
590 findabi(struct ktr_header *kth)
591 {
592 	struct proc_info *pi;
593 
594 	TAILQ_FOREACH(pi, &trace_procs, info) {
595 		if (pi->pid == kth->ktr_pid) {
596 			return (pi->sv_flags);
597 		}
598 	}
599 	return (0);
600 }
601 
602 void
603 dumpheader(struct ktr_header *kth, u_int sv_flags)
604 {
605 	static char unknown[64];
606 	static struct timeval prevtime, prevtime_e;
607 	struct timeval temp;
608 	const char *abi;
609 	const char *arch;
610 	const char *type;
611 	const char *sign;
612 
613 	switch (kth->ktr_type) {
614 	case KTR_SYSCALL:
615 		type = "CALL";
616 		break;
617 	case KTR_SYSRET:
618 		type = "RET ";
619 		break;
620 	case KTR_NAMEI:
621 		type = "NAMI";
622 		break;
623 	case KTR_GENIO:
624 		type = "GIO ";
625 		break;
626 	case KTR_PSIG:
627 		type = "PSIG";
628 		break;
629 	case KTR_CSW:
630 		type = "CSW ";
631 		break;
632 	case KTR_USER:
633 		type = "USER";
634 		break;
635 	case KTR_STRUCT:
636 	case KTR_STRUCT_ARRAY:
637 		type = "STRU";
638 		break;
639 	case KTR_SYSCTL:
640 		type = "SCTL";
641 		break;
642 	case KTR_CAPFAIL:
643 		type = "CAP ";
644 		break;
645 	case KTR_FAULT:
646 		type = "PFLT";
647 		break;
648 	case KTR_FAULTEND:
649 		type = "PRET";
650 		break;
651 	default:
652 		sprintf(unknown, "UNKNOWN(%d)", kth->ktr_type);
653 		type = unknown;
654 	}
655 
656 	/*
657 	 * The ktr_tid field was previously the ktr_buffer field, which held
658 	 * the kernel pointer value for the buffer associated with data
659 	 * following the record header.  It now holds a threadid, but only
660 	 * for trace files after the change.  Older trace files still contain
661 	 * kernel pointers.  Detect this and suppress the results by printing
662 	 * negative tid's as 0.
663 	 */
664 	if (threads)
665 		printf("%6jd %6jd %-8.*s ", (intmax_t)kth->ktr_pid,
666 		    kth->ktr_tid > 0 ? (intmax_t)kth->ktr_tid : 0,
667 		    MAXCOMLEN, kth->ktr_comm);
668 	else
669 		printf("%6jd %-8.*s ", (intmax_t)kth->ktr_pid, MAXCOMLEN,
670 		    kth->ktr_comm);
671         if (timestamp) {
672 		if (timestamp & TIMESTAMP_ABSOLUTE) {
673 			printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
674 			    kth->ktr_time.tv_usec);
675 		}
676 		if (timestamp & TIMESTAMP_ELAPSED) {
677 			if (prevtime_e.tv_sec == 0)
678 				prevtime_e = kth->ktr_time;
679 			timersub(&kth->ktr_time, &prevtime_e, &temp);
680 			printf("%jd.%06ld ", (intmax_t)temp.tv_sec,
681 			    temp.tv_usec);
682 		}
683 		if (timestamp & TIMESTAMP_RELATIVE) {
684 			if (prevtime.tv_sec == 0)
685 				prevtime = kth->ktr_time;
686 			if (timercmp(&kth->ktr_time, &prevtime, <)) {
687 				timersub(&prevtime, &kth->ktr_time, &temp);
688 				sign = "-";
689 			} else {
690 				timersub(&kth->ktr_time, &prevtime, &temp);
691 				sign = "";
692 			}
693 			prevtime = kth->ktr_time;
694 			printf("%s%jd.%06ld ", sign, (intmax_t)temp.tv_sec,
695 			    temp.tv_usec);
696 		}
697 	}
698 	printf("%s  ", type);
699 	if (abiflag != 0) {
700 		switch (sv_flags & SV_ABI_MASK) {
701 		case SV_ABI_LINUX:
702 			abi = "L";
703 			break;
704 		case SV_ABI_FREEBSD:
705 			abi = "F";
706 			break;
707 		case SV_ABI_CLOUDABI:
708 			abi = "C";
709 			break;
710 		default:
711 			abi = "U";
712 			break;
713 		}
714 
715 		if ((sv_flags & SV_LP64) != 0)
716 			arch = "64";
717 		else if ((sv_flags & SV_ILP32) != 0)
718 			arch = "32";
719 		else
720 			arch = "00";
721 
722 		printf("%s%s  ", abi, arch);
723 	}
724 }
725 
726 #include <sys/syscall.h>
727 
728 static void
729 ioctlname(unsigned long val)
730 {
731 	const char *str;
732 
733 	str = sysdecode_ioctlname(val);
734 	if (str != NULL)
735 		printf("%s", str);
736 	else if (decimal)
737 		printf("%lu", val);
738 	else
739 		printf("%#lx", val);
740 }
741 
742 static enum sysdecode_abi
743 syscallabi(u_int sv_flags)
744 {
745 
746 	if (sv_flags == 0)
747 		return (SYSDECODE_ABI_FREEBSD);
748 	switch (sv_flags & SV_ABI_MASK) {
749 	case SV_ABI_FREEBSD:
750 		return (SYSDECODE_ABI_FREEBSD);
751 	case SV_ABI_LINUX:
752 #ifdef __LP64__
753 		if (sv_flags & SV_ILP32)
754 			return (SYSDECODE_ABI_LINUX32);
755 #endif
756 		return (SYSDECODE_ABI_LINUX);
757 	case SV_ABI_CLOUDABI:
758 		return (SYSDECODE_ABI_CLOUDABI64);
759 	default:
760 		return (SYSDECODE_ABI_UNKNOWN);
761 	}
762 }
763 
764 static void
765 syscallname(u_int code, u_int sv_flags)
766 {
767 	const char *name;
768 
769 	name = sysdecode_syscallname(syscallabi(sv_flags), code);
770 	if (name == NULL)
771 		printf("[%d]", code);
772 	else {
773 		printf("%s", name);
774 		if (syscallno)
775 			printf("[%d]", code);
776 	}
777 }
778 
779 static void
780 print_signal(int signo)
781 {
782 	const char *signame;
783 
784 	signame = sysdecode_signal(signo);
785 	if (signame != NULL)
786 		printf("%s", signame);
787 	else
788 		printf("SIG %d", signo);
789 }
790 
791 void
792 ktrsyscall(struct ktr_syscall *ktr, u_int sv_flags)
793 {
794 	int narg = ktr->ktr_narg;
795 	register_t *ip, *first;
796 	intmax_t arg;
797 	int quad_align, quad_slots;
798 
799 	syscallname(ktr->ktr_code, sv_flags);
800 	ip = first = &ktr->ktr_args[0];
801 	if (narg) {
802 		char c = '(';
803 		if (fancy &&
804 		    (sv_flags == 0 ||
805 		    (sv_flags & SV_ABI_MASK) == SV_ABI_FREEBSD)) {
806 			quad_align = 0;
807 			if (sv_flags & SV_ILP32) {
808 #ifdef __powerpc__
809 				quad_align = 1;
810 #endif
811 				quad_slots = 2;
812 			} else
813 				quad_slots = 1;
814 			switch (ktr->ktr_code) {
815 			case SYS_bindat:
816 			case SYS_chflagsat:
817 			case SYS_connectat:
818 			case SYS_faccessat:
819 			case SYS_fchmodat:
820 			case SYS_fchownat:
821 			case SYS_fstatat:
822 			case SYS_futimesat:
823 			case SYS_linkat:
824 			case SYS_mkdirat:
825 			case SYS_mkfifoat:
826 			case SYS_mknodat:
827 			case SYS_openat:
828 			case SYS_readlinkat:
829 			case SYS_renameat:
830 			case SYS_unlinkat:
831 			case SYS_utimensat:
832 				putchar('(');
833 				print_integer_arg_valid(sysdecode_atfd, *ip);
834 				c = ',';
835 				ip++;
836 				narg--;
837 				break;
838 			}
839 			switch (ktr->ktr_code) {
840 			case SYS_ioctl: {
841 				print_number(ip, narg, c);
842 				putchar(c);
843 				ioctlname(*ip);
844 				c = ',';
845 				ip++;
846 				narg--;
847 				break;
848 			}
849 			case SYS_ptrace:
850 				putchar('(');
851 				print_integer_arg(sysdecode_ptrace_request, *ip);
852 				c = ',';
853 				ip++;
854 				narg--;
855 				break;
856 			case SYS_access:
857 			case SYS_eaccess:
858 			case SYS_faccessat:
859 				print_number(ip, narg, c);
860 				putchar(',');
861 				print_mask_arg(sysdecode_access_mode, *ip);
862 				ip++;
863 				narg--;
864 				break;
865 			case SYS_open:
866 			case SYS_openat:
867 				print_number(ip, narg, c);
868 				putchar(',');
869 				print_mask_arg(sysdecode_open_flags, ip[0]);
870 				if ((ip[0] & O_CREAT) == O_CREAT) {
871 					putchar(',');
872 					decode_filemode(ip[1]);
873 				}
874 				ip += 2;
875 				narg -= 2;
876 				break;
877 			case SYS_wait4:
878 				print_number(ip, narg, c);
879 				print_number(ip, narg, c);
880 				putchar(',');
881 				print_mask_arg0(sysdecode_wait4_options, *ip);
882 				ip++;
883 				narg--;
884 				break;
885 			case SYS_wait6:
886 				putchar('(');
887 				print_integer_arg(sysdecode_idtype, *ip);
888 				c = ',';
889 				ip++;
890 				narg--;
891 				print_number64(first, ip, narg, c);
892 				print_number(ip, narg, c);
893 				putchar(',');
894 				print_mask_arg(sysdecode_wait6_options, *ip);
895 				ip++;
896 				narg--;
897 				break;
898 			case SYS_chmod:
899 			case SYS_fchmod:
900 			case SYS_lchmod:
901 			case SYS_fchmodat:
902 				print_number(ip, narg, c);
903 				putchar(',');
904 				decode_filemode(*ip);
905 				ip++;
906 				narg--;
907 				break;
908 			case SYS_mknodat:
909 				print_number(ip, narg, c);
910 				putchar(',');
911 				decode_filemode(*ip);
912 				ip++;
913 				narg--;
914 				break;
915 			case SYS_getfsstat:
916 				print_number(ip, narg, c);
917 				print_number(ip, narg, c);
918 				putchar(',');
919 				print_integer_arg(sysdecode_getfsstat_mode, *ip);
920 				ip++;
921 				narg--;
922 				break;
923 			case SYS_mount:
924 				print_number(ip, narg, c);
925 				print_number(ip, narg, c);
926 				putchar(',');
927 				print_mask_arg(sysdecode_mount_flags, *ip);
928 				ip++;
929 				narg--;
930 				break;
931 			case SYS_unmount:
932 				print_number(ip, narg, c);
933 				putchar(',');
934 				print_mask_arg(sysdecode_mount_flags, *ip);
935 				ip++;
936 				narg--;
937 				break;
938 			case SYS_recvmsg:
939 			case SYS_sendmsg:
940 				print_number(ip, narg, c);
941 				print_number(ip, narg, c);
942 				putchar(',');
943 				print_mask_arg0(sysdecode_msg_flags, *ip);
944 				ip++;
945 				narg--;
946 				break;
947 			case SYS_recvfrom:
948 			case SYS_sendto:
949 				print_number(ip, narg, c);
950 				print_number(ip, narg, c);
951 				print_number(ip, narg, c);
952 				putchar(',');
953 				print_mask_arg0(sysdecode_msg_flags, *ip);
954 				ip++;
955 				narg--;
956 				break;
957 			case SYS_chflags:
958 			case SYS_chflagsat:
959 			case SYS_fchflags:
960 			case SYS_lchflags:
961 				print_number(ip, narg, c);
962 				putchar(',');
963 				decode_fileflags(*ip);
964 				ip++;
965 				narg--;
966 				break;
967 			case SYS_kill:
968 				print_number(ip, narg, c);
969 				putchar(',');
970 				print_signal(*ip);
971 				ip++;
972 				narg--;
973 				break;
974 			case SYS_reboot:
975 				putchar('(');
976 				print_mask_arg(sysdecode_reboot_howto, *ip);
977 				ip++;
978 				narg--;
979 				break;
980 			case SYS_umask:
981 				putchar('(');
982 				decode_filemode(*ip);
983 				ip++;
984 				narg--;
985 				break;
986 			case SYS_msync:
987 				print_number(ip, narg, c);
988 				print_number(ip, narg, c);
989 				putchar(',');
990 				print_mask_arg(sysdecode_msync_flags, *ip);
991 				ip++;
992 				narg--;
993 				break;
994 #ifdef SYS_freebsd6_mmap
995 			case SYS_freebsd6_mmap:
996 				print_number(ip, narg, c);
997 				print_number(ip, narg, c);
998 				putchar(',');
999 				print_mask_arg(sysdecode_mmap_prot, *ip);
1000 				putchar(',');
1001 				ip++;
1002 				narg--;
1003 				print_mask_arg(sysdecode_mmap_flags, *ip);
1004 				ip++;
1005 				narg--;
1006 				break;
1007 #endif
1008 			case SYS_mmap:
1009 				print_number(ip, narg, c);
1010 				print_number(ip, narg, c);
1011 				putchar(',');
1012 				print_mask_arg(sysdecode_mmap_prot, *ip);
1013 				putchar(',');
1014 				ip++;
1015 				narg--;
1016 				print_mask_arg(sysdecode_mmap_flags, *ip);
1017 				ip++;
1018 				narg--;
1019 				break;
1020 			case SYS_mprotect:
1021 				print_number(ip, narg, c);
1022 				print_number(ip, narg, c);
1023 				putchar(',');
1024 				print_mask_arg(sysdecode_mmap_prot, *ip);
1025 				ip++;
1026 				narg--;
1027 				break;
1028 			case SYS_madvise:
1029 				print_number(ip, narg, c);
1030 				print_number(ip, narg, c);
1031 				putchar(',');
1032 				print_integer_arg(sysdecode_madvice, *ip);
1033 				ip++;
1034 				narg--;
1035 				break;
1036 			case SYS_pathconf:
1037 			case SYS_lpathconf:
1038 			case SYS_fpathconf:
1039 				print_number(ip, narg, c);
1040 				putchar(',');
1041 				print_integer_arg(sysdecode_pathconf_name, *ip);
1042 				ip++;
1043 				narg--;
1044 				break;
1045 			case SYS_getpriority:
1046 			case SYS_setpriority:
1047 				putchar('(');
1048 				print_integer_arg(sysdecode_prio_which, *ip);
1049 				c = ',';
1050 				ip++;
1051 				narg--;
1052 				break;
1053 			case SYS_fcntl:
1054 				print_number(ip, narg, c);
1055 				putchar(',');
1056 				print_integer_arg(sysdecode_fcntl_cmd, ip[0]);
1057 				if (sysdecode_fcntl_arg_p(ip[0])) {
1058 					putchar(',');
1059 					if (ip[0] == F_SETFL)
1060 						print_mask_arg(
1061 						    sysdecode_fcntl_fileflags,
1062 							ip[1]);
1063 					else
1064 						sysdecode_fcntl_arg(stdout,
1065 						    ip[0], ip[1],
1066 						    decimal ? 10 : 16);
1067 				}
1068 				ip += 2;
1069 				narg -= 2;
1070 				break;
1071 			case SYS_socket: {
1072 				int sockdomain;
1073 				putchar('(');
1074 				sockdomain = *ip;
1075 				print_integer_arg(sysdecode_socketdomain,
1076 				    sockdomain);
1077 				ip++;
1078 				narg--;
1079 				putchar(',');
1080 				print_mask_arg(sysdecode_socket_type, *ip);
1081 				ip++;
1082 				narg--;
1083 				if (sockdomain == PF_INET ||
1084 				    sockdomain == PF_INET6) {
1085 					putchar(',');
1086 					print_integer_arg(sysdecode_ipproto,
1087 					    *ip);
1088 					ip++;
1089 					narg--;
1090 				}
1091 				c = ',';
1092 				break;
1093 			}
1094 			case SYS_setsockopt:
1095 			case SYS_getsockopt: {
1096 				const char *str;
1097 
1098 				print_number(ip, narg, c);
1099 				putchar(',');
1100 				print_integer_arg_valid(sysdecode_sockopt_level,
1101 				    *ip);
1102 				str = sysdecode_sockopt_name(ip[0], ip[1]);
1103 				if (str != NULL) {
1104 					printf(",%s", str);
1105 					ip++;
1106 					narg--;
1107 				}
1108 				ip++;
1109 				narg--;
1110 				break;
1111 			}
1112 #ifdef SYS_freebsd6_lseek
1113 			case SYS_freebsd6_lseek:
1114 				print_number(ip, narg, c);
1115 				/* Hidden 'pad' argument, not in lseek(2) */
1116 				print_number(ip, narg, c);
1117 				print_number64(first, ip, narg, c);
1118 				putchar(',');
1119 				print_integer_arg(sysdecode_whence, *ip);
1120 				ip++;
1121 				narg--;
1122 				break;
1123 #endif
1124 			case SYS_lseek:
1125 				print_number(ip, narg, c);
1126 				print_number64(first, ip, narg, c);
1127 				putchar(',');
1128 				print_integer_arg(sysdecode_whence, *ip);
1129 				ip++;
1130 				narg--;
1131 				break;
1132 			case SYS_flock:
1133 				print_number(ip, narg, c);
1134 				putchar(',');
1135 				print_mask_arg(sysdecode_flock_operation, *ip);
1136 				ip++;
1137 				narg--;
1138 				break;
1139 			case SYS_mkfifo:
1140 			case SYS_mkfifoat:
1141 			case SYS_mkdir:
1142 			case SYS_mkdirat:
1143 				print_number(ip, narg, c);
1144 				putchar(',');
1145 				decode_filemode(*ip);
1146 				ip++;
1147 				narg--;
1148 				break;
1149 			case SYS_shutdown:
1150 				print_number(ip, narg, c);
1151 				putchar(',');
1152 				print_integer_arg(sysdecode_shutdown_how, *ip);
1153 				ip++;
1154 				narg--;
1155 				break;
1156 			case SYS_socketpair:
1157 				putchar('(');
1158 				print_integer_arg(sysdecode_socketdomain, *ip);
1159 				ip++;
1160 				narg--;
1161 				putchar(',');
1162 				print_mask_arg(sysdecode_socket_type, *ip);
1163 				ip++;
1164 				narg--;
1165 				c = ',';
1166 				break;
1167 			case SYS_getrlimit:
1168 			case SYS_setrlimit:
1169 				putchar('(');
1170 				print_integer_arg(sysdecode_rlimit, *ip);
1171 				ip++;
1172 				narg--;
1173 				c = ',';
1174 				break;
1175 			case SYS_getrusage:
1176 				putchar('(');
1177 				print_integer_arg(sysdecode_getrusage_who, *ip);
1178 				ip++;
1179 				narg--;
1180 				c = ',';
1181 				break;
1182 			case SYS_quotactl:
1183 				print_number(ip, narg, c);
1184 				putchar(',');
1185 				if (!sysdecode_quotactl_cmd(stdout, *ip)) {
1186 					if (decimal)
1187 						printf("<invalid=%d>", (int)*ip);
1188 					else
1189 						printf("<invalid=%#x>",
1190 						    (int)*ip);
1191 				}
1192 				ip++;
1193 				narg--;
1194 				c = ',';
1195 				break;
1196 			case SYS_nfssvc:
1197 				putchar('(');
1198 				print_integer_arg(sysdecode_nfssvc_flags, *ip);
1199 				ip++;
1200 				narg--;
1201 				c = ',';
1202 				break;
1203 			case SYS_rtprio:
1204 			case SYS_rtprio_thread:
1205 				putchar('(');
1206 				print_integer_arg(sysdecode_rtprio_function,
1207 				    *ip);
1208 				ip++;
1209 				narg--;
1210 				c = ',';
1211 				break;
1212 			case SYS___semctl:
1213 				print_number(ip, narg, c);
1214 				print_number(ip, narg, c);
1215 				putchar(',');
1216 				print_integer_arg(sysdecode_semctl_cmd, *ip);
1217 				ip++;
1218 				narg--;
1219 				break;
1220 			case SYS_semget:
1221 				print_number(ip, narg, c);
1222 				print_number(ip, narg, c);
1223 				putchar(',');
1224 				print_mask_arg(sysdecode_semget_flags, *ip);
1225 				ip++;
1226 				narg--;
1227 				break;
1228 			case SYS_msgctl:
1229 				print_number(ip, narg, c);
1230 				putchar(',');
1231 				print_integer_arg(sysdecode_msgctl_cmd, *ip);
1232 				ip++;
1233 				narg--;
1234 				break;
1235 			case SYS_shmat:
1236 				print_number(ip, narg, c);
1237 				print_number(ip, narg, c);
1238 				putchar(',');
1239 				print_mask_arg(sysdecode_shmat_flags, *ip);
1240 				ip++;
1241 				narg--;
1242 				break;
1243 			case SYS_shmctl:
1244 				print_number(ip, narg, c);
1245 				putchar(',');
1246 				print_integer_arg(sysdecode_shmctl_cmd, *ip);
1247 				ip++;
1248 				narg--;
1249 				break;
1250 #ifdef SYS_freebsd12_shm_open
1251 			case SYS_freebsd12_shm_open:
1252 				if (ip[0] == (uintptr_t)SHM_ANON) {
1253 					printf("(SHM_ANON");
1254 					ip++;
1255 				} else {
1256 					print_number(ip, narg, c);
1257 				}
1258 				putchar(',');
1259 				print_mask_arg(sysdecode_open_flags, ip[0]);
1260 				putchar(',');
1261 				decode_filemode(ip[1]);
1262 				ip += 2;
1263 				narg -= 2;
1264 				break;
1265 #endif
1266 			case SYS_shm_open2:
1267 				if (ip[0] == (uintptr_t)SHM_ANON) {
1268 					printf("(SHM_ANON");
1269 					ip++;
1270 				} else {
1271 					print_number(ip, narg, c);
1272 				}
1273 				putchar(',');
1274 				print_mask_arg(sysdecode_open_flags, ip[0]);
1275 				putchar(',');
1276 				decode_filemode(ip[1]);
1277 				putchar(',');
1278 				print_mask_arg(sysdecode_shmflags, ip[2]);
1279 				ip += 3;
1280 				narg -= 3;
1281 				break;
1282 			case SYS_minherit:
1283 				print_number(ip, narg, c);
1284 				print_number(ip, narg, c);
1285 				putchar(',');
1286 				print_integer_arg(sysdecode_minherit_inherit,
1287 				    *ip);
1288 				ip++;
1289 				narg--;
1290 				break;
1291 			case SYS_rfork:
1292 				putchar('(');
1293 				print_mask_arg(sysdecode_rfork_flags, *ip);
1294 				ip++;
1295 				narg--;
1296 				c = ',';
1297 				break;
1298 			case SYS_lio_listio:
1299 				putchar('(');
1300 				print_integer_arg(sysdecode_lio_listio_mode,
1301 				    *ip);
1302 				ip++;
1303 				narg--;
1304 				c = ',';
1305 				break;
1306 			case SYS_mlockall:
1307 				putchar('(');
1308 				print_mask_arg(sysdecode_mlockall_flags, *ip);
1309 				ip++;
1310 				narg--;
1311 				break;
1312 			case SYS_sched_setscheduler:
1313 				print_number(ip, narg, c);
1314 				putchar(',');
1315 				print_integer_arg(sysdecode_scheduler_policy,
1316 				    *ip);
1317 				ip++;
1318 				narg--;
1319 				break;
1320 			case SYS_sched_get_priority_max:
1321 			case SYS_sched_get_priority_min:
1322 				putchar('(');
1323 				print_integer_arg(sysdecode_scheduler_policy,
1324 				    *ip);
1325 				ip++;
1326 				narg--;
1327 				break;
1328 			case SYS_sendfile:
1329 				print_number(ip, narg, c);
1330 				print_number(ip, narg, c);
1331 				print_number(ip, narg, c);
1332 				print_number(ip, narg, c);
1333 				print_number(ip, narg, c);
1334 				print_number(ip, narg, c);
1335 				putchar(',');
1336 				print_mask_arg(sysdecode_sendfile_flags, *ip);
1337 				ip++;
1338 				narg--;
1339 				break;
1340 			case SYS_kldsym:
1341 				print_number(ip, narg, c);
1342 				putchar(',');
1343 				print_integer_arg(sysdecode_kldsym_cmd, *ip);
1344 				ip++;
1345 				narg--;
1346 				break;
1347 			case SYS_sigprocmask:
1348 				putchar('(');
1349 				print_integer_arg(sysdecode_sigprocmask_how,
1350 				    *ip);
1351 				ip++;
1352 				narg--;
1353 				c = ',';
1354 				break;
1355 			case SYS___acl_get_file:
1356 			case SYS___acl_set_file:
1357 			case SYS___acl_get_fd:
1358 			case SYS___acl_set_fd:
1359 			case SYS___acl_delete_file:
1360 			case SYS___acl_delete_fd:
1361 			case SYS___acl_aclcheck_file:
1362 			case SYS___acl_aclcheck_fd:
1363 			case SYS___acl_get_link:
1364 			case SYS___acl_set_link:
1365 			case SYS___acl_delete_link:
1366 			case SYS___acl_aclcheck_link:
1367 				print_number(ip, narg, c);
1368 				putchar(',');
1369 				print_integer_arg(sysdecode_acltype, *ip);
1370 				ip++;
1371 				narg--;
1372 				break;
1373 			case SYS_sigaction:
1374 				putchar('(');
1375 				print_signal(*ip);
1376 				ip++;
1377 				narg--;
1378 				c = ',';
1379 				break;
1380 			case SYS_extattrctl:
1381 				print_number(ip, narg, c);
1382 				putchar(',');
1383 				print_integer_arg(sysdecode_extattrnamespace,
1384 				    *ip);
1385 				ip++;
1386 				narg--;
1387 				break;
1388 			case SYS_nmount:
1389 				print_number(ip, narg, c);
1390 				print_number(ip, narg, c);
1391 				putchar(',');
1392 				print_mask_arg(sysdecode_mount_flags, *ip);
1393 				ip++;
1394 				narg--;
1395 				break;
1396 			case SYS_thr_create:
1397 				print_number(ip, narg, c);
1398 				print_number(ip, narg, c);
1399 				putchar(',');
1400 				print_mask_arg(sysdecode_thr_create_flags, *ip);
1401 				ip++;
1402 				narg--;
1403 				break;
1404 			case SYS_thr_kill:
1405 				print_number(ip, narg, c);
1406 				putchar(',');
1407 				print_signal(*ip);
1408 				ip++;
1409 				narg--;
1410 				break;
1411 			case SYS_kldunloadf:
1412 				print_number(ip, narg, c);
1413 				putchar(',');
1414 				print_integer_arg(sysdecode_kldunload_flags,
1415 				    *ip);
1416 				ip++;
1417 				narg--;
1418 				break;
1419 			case SYS_linkat:
1420 			case SYS_renameat:
1421 			case SYS_symlinkat:
1422 				print_number(ip, narg, c);
1423 				putchar(',');
1424 				print_integer_arg_valid(sysdecode_atfd, *ip);
1425 				ip++;
1426 				narg--;
1427 				print_number(ip, narg, c);
1428 				break;
1429 			case SYS_cap_fcntls_limit:
1430 				print_number(ip, narg, c);
1431 				putchar(',');
1432 				arg = *ip;
1433 				ip++;
1434 				narg--;
1435 				print_mask_arg32(sysdecode_cap_fcntlrights, arg);
1436 				break;
1437 			case SYS_posix_fadvise:
1438 				print_number(ip, narg, c);
1439 				print_number(ip, narg, c);
1440 				print_number(ip, narg, c);
1441 				(void)putchar(',');
1442 				print_integer_arg(sysdecode_fadvice, *ip);
1443 				ip++;
1444 				narg--;
1445 				break;
1446 			case SYS_procctl:
1447 				putchar('(');
1448 				print_integer_arg(sysdecode_idtype, *ip);
1449 				c = ',';
1450 				ip++;
1451 				narg--;
1452 				print_number64(first, ip, narg, c);
1453 				putchar(',');
1454 				print_integer_arg(sysdecode_procctl_cmd, *ip);
1455 				ip++;
1456 				narg--;
1457 				break;
1458 			case SYS__umtx_op:
1459 				print_number(ip, narg, c);
1460 				putchar(',');
1461 				print_integer_arg(sysdecode_umtx_op, *ip);
1462 				switch (*ip) {
1463 				case UMTX_OP_CV_WAIT:
1464 					ip++;
1465 					narg--;
1466 					putchar(',');
1467 					print_mask_argul(
1468 					    sysdecode_umtx_cvwait_flags, *ip);
1469 					break;
1470 				case UMTX_OP_RW_RDLOCK:
1471 					ip++;
1472 					narg--;
1473 					putchar(',');
1474 					print_mask_argul(
1475 					    sysdecode_umtx_rwlock_flags, *ip);
1476 					break;
1477 				}
1478 				ip++;
1479 				narg--;
1480 				break;
1481 			case SYS_ftruncate:
1482 			case SYS_truncate:
1483 				print_number(ip, narg, c);
1484 				print_number64(first, ip, narg, c);
1485 				break;
1486 			case SYS_fchownat:
1487 				print_number(ip, narg, c);
1488 				print_number(ip, narg, c);
1489 				print_number(ip, narg, c);
1490 				break;
1491 			case SYS_fstatat:
1492 			case SYS_utimensat:
1493 				print_number(ip, narg, c);
1494 				print_number(ip, narg, c);
1495 				break;
1496 			case SYS_unlinkat:
1497 				print_number(ip, narg, c);
1498 				break;
1499 			case SYS_sysarch:
1500 				putchar('(');
1501 				print_integer_arg(sysdecode_sysarch_number, *ip);
1502 				ip++;
1503 				narg--;
1504 				c = ',';
1505 				break;
1506 			}
1507 			switch (ktr->ktr_code) {
1508 			case SYS_chflagsat:
1509 			case SYS_fchownat:
1510 			case SYS_faccessat:
1511 			case SYS_fchmodat:
1512 			case SYS_fstatat:
1513 			case SYS_linkat:
1514 			case SYS_unlinkat:
1515 			case SYS_utimensat:
1516 				putchar(',');
1517 				print_mask_arg0(sysdecode_atflags, *ip);
1518 				ip++;
1519 				narg--;
1520 				break;
1521 			}
1522 		}
1523 		while (narg > 0) {
1524 			print_number(ip, narg, c);
1525 		}
1526 		putchar(')');
1527 	}
1528 	putchar('\n');
1529 }
1530 
1531 void
1532 ktrsysret(struct ktr_sysret *ktr, u_int sv_flags)
1533 {
1534 	register_t ret = ktr->ktr_retval;
1535 	int error = ktr->ktr_error;
1536 
1537 	syscallname(ktr->ktr_code, sv_flags);
1538 	printf(" ");
1539 
1540 	if (error == 0) {
1541 		if (fancy) {
1542 			printf("%ld", (long)ret);
1543 			if (ret < 0 || ret > 9)
1544 				printf("/%#lx", (unsigned long)ret);
1545 		} else {
1546 			if (decimal)
1547 				printf("%ld", (long)ret);
1548 			else
1549 				printf("%#lx", (unsigned long)ret);
1550 		}
1551 	} else if (error == ERESTART)
1552 		printf("RESTART");
1553 	else if (error == EJUSTRETURN)
1554 		printf("JUSTRETURN");
1555 	else {
1556 		printf("-1 errno %d", sysdecode_freebsd_to_abi_errno(
1557 		    syscallabi(sv_flags), error));
1558 		if (fancy)
1559 			printf(" %s", strerror(ktr->ktr_error));
1560 	}
1561 	putchar('\n');
1562 }
1563 
1564 void
1565 ktrnamei(char *cp, int len)
1566 {
1567 	printf("\"%.*s\"\n", len, cp);
1568 }
1569 
1570 void
1571 hexdump(char *p, int len, int screenwidth)
1572 {
1573 	int n, i;
1574 	int width;
1575 
1576 	width = 0;
1577 	do {
1578 		width += 2;
1579 		i = 13;			/* base offset */
1580 		i += (width / 2) + 1;	/* spaces every second byte */
1581 		i += (width * 2);	/* width of bytes */
1582 		i += 3;			/* "  |" */
1583 		i += width;		/* each byte */
1584 		i += 1;			/* "|" */
1585 	} while (i < screenwidth);
1586 	width -= 2;
1587 
1588 	for (n = 0; n < len; n += width) {
1589 		for (i = n; i < n + width; i++) {
1590 			if ((i % width) == 0) {	/* beginning of line */
1591 				printf("       0x%04x", i);
1592 			}
1593 			if ((i % 2) == 0) {
1594 				printf(" ");
1595 			}
1596 			if (i < len)
1597 				printf("%02x", p[i] & 0xff);
1598 			else
1599 				printf("  ");
1600 		}
1601 		printf("  |");
1602 		for (i = n; i < n + width; i++) {
1603 			if (i >= len)
1604 				break;
1605 			if (p[i] >= ' ' && p[i] <= '~')
1606 				printf("%c", p[i]);
1607 			else
1608 				printf(".");
1609 		}
1610 		printf("|\n");
1611 	}
1612 	if ((i % width) != 0)
1613 		printf("\n");
1614 }
1615 
1616 void
1617 visdump(char *dp, int datalen, int screenwidth)
1618 {
1619 	int col = 0;
1620 	char *cp;
1621 	int width;
1622 	char visbuf[5];
1623 
1624 	printf("       \"");
1625 	col = 8;
1626 	for (;datalen > 0; datalen--, dp++) {
1627 		 vis(visbuf, *dp, VIS_CSTYLE, *(dp+1));
1628 		cp = visbuf;
1629 		/*
1630 		 * Keep track of printables and
1631 		 * space chars (like fold(1)).
1632 		 */
1633 		if (col == 0) {
1634 			putchar('\t');
1635 			col = 8;
1636 		}
1637 		switch(*cp) {
1638 		case '\n':
1639 			col = 0;
1640 			putchar('\n');
1641 			continue;
1642 		case '\t':
1643 			width = 8 - (col&07);
1644 			break;
1645 		default:
1646 			width = strlen(cp);
1647 		}
1648 		if (col + width > (screenwidth-2)) {
1649 			printf("\\\n\t");
1650 			col = 8;
1651 		}
1652 		col += width;
1653 		do {
1654 			putchar(*cp++);
1655 		} while (*cp);
1656 	}
1657 	if (col == 0)
1658 		printf("       ");
1659 	printf("\"\n");
1660 }
1661 
1662 void
1663 ktrgenio(struct ktr_genio *ktr, int len)
1664 {
1665 	int datalen = len - sizeof (struct ktr_genio);
1666 	char *dp = (char *)ktr + sizeof (struct ktr_genio);
1667 	static int screenwidth = 0;
1668 	int i, binary;
1669 
1670 	printf("fd %d %s %d byte%s\n", ktr->ktr_fd,
1671 		ktr->ktr_rw == UIO_READ ? "read" : "wrote", datalen,
1672 		datalen == 1 ? "" : "s");
1673 	if (suppressdata)
1674 		return;
1675 	if (screenwidth == 0) {
1676 		struct winsize ws;
1677 
1678 		if (fancy && ioctl(fileno(stderr), TIOCGWINSZ, &ws) != -1 &&
1679 		    ws.ws_col > 8)
1680 			screenwidth = ws.ws_col;
1681 		else
1682 			screenwidth = 80;
1683 	}
1684 	if (maxdata && datalen > maxdata)
1685 		datalen = maxdata;
1686 
1687 	for (i = 0, binary = 0; i < datalen && binary == 0; i++)  {
1688 		if (dp[i] >= 32 && dp[i] < 127)
1689 			continue;
1690 		if (dp[i] == 10 || dp[i] == 13 || dp[i] == 0 || dp[i] == 9)
1691 			continue;
1692 		binary = 1;
1693 	}
1694 	if (binary)
1695 		hexdump(dp, datalen, screenwidth);
1696 	else
1697 		visdump(dp, datalen, screenwidth);
1698 }
1699 
1700 void
1701 ktrpsig(struct ktr_psig *psig)
1702 {
1703 	const char *str;
1704 
1705 	print_signal(psig->signo);
1706 	if (psig->action == SIG_DFL) {
1707 		printf(" SIG_DFL");
1708 	} else {
1709 		printf(" caught handler=0x%lx mask=0x%x",
1710 		    (u_long)psig->action, psig->mask.__bits[0]);
1711 	}
1712 	printf(" code=");
1713 	str = sysdecode_sigcode(psig->signo, psig->code);
1714 	if (str != NULL)
1715 		printf("%s", str);
1716 	else
1717 		printf("<invalid=%#x>", psig->code);
1718 	putchar('\n');
1719 }
1720 
1721 void
1722 ktrcsw_old(struct ktr_csw_old *cs)
1723 {
1724 	printf("%s %s\n", cs->out ? "stop" : "resume",
1725 		cs->user ? "user" : "kernel");
1726 }
1727 
1728 void
1729 ktrcsw(struct ktr_csw *cs)
1730 {
1731 	printf("%s %s \"%s\"\n", cs->out ? "stop" : "resume",
1732 	    cs->user ? "user" : "kernel", cs->wmesg);
1733 }
1734 
1735 void
1736 ktruser(int len, void *p)
1737 {
1738 	unsigned char *cp;
1739 
1740 	if (sysdecode_utrace(stdout, p, len)) {
1741 		printf("\n");
1742 		return;
1743 	}
1744 
1745 	printf("%d ", len);
1746 	cp = p;
1747 	while (len--)
1748 		if (decimal)
1749 			printf(" %d", *cp++);
1750 		else
1751 			printf(" %02x", *cp++);
1752 	printf("\n");
1753 }
1754 
1755 void
1756 ktrcaprights(cap_rights_t *rightsp)
1757 {
1758 
1759 	printf("cap_rights_t ");
1760 	sysdecode_cap_rights(stdout, rightsp);
1761 	printf("\n");
1762 }
1763 
1764 static void
1765 ktrtimeval(struct timeval *tv)
1766 {
1767 
1768 	printf("{%ld, %ld}", (long)tv->tv_sec, tv->tv_usec);
1769 }
1770 
1771 void
1772 ktritimerval(struct itimerval *it)
1773 {
1774 
1775 	printf("itimerval { .interval = ");
1776 	ktrtimeval(&it->it_interval);
1777 	printf(", .value = ");
1778 	ktrtimeval(&it->it_value);
1779 	printf(" }\n");
1780 }
1781 
1782 void
1783 ktrsockaddr(struct sockaddr *sa)
1784 {
1785 /*
1786  TODO: Support additional address families
1787 	#include <netsmb/netbios.h>
1788 	struct sockaddr_nb	*nb;
1789 */
1790 	const char *str;
1791 	char addr[64];
1792 
1793 	/*
1794 	 * note: ktrstruct() has already verified that sa points to a
1795 	 * buffer at least sizeof(struct sockaddr) bytes long and exactly
1796 	 * sa->sa_len bytes long.
1797 	 */
1798 	printf("struct sockaddr { ");
1799 	str = sysdecode_sockaddr_family(sa->sa_family);
1800 	if (str != NULL)
1801 		printf("%s", str);
1802 	else
1803 		printf("<invalid=%d>", sa->sa_family);
1804 	printf(", ");
1805 
1806 #define check_sockaddr_len(n)					\
1807 	if (sa_##n.s##n##_len < sizeof(struct sockaddr_##n)) {	\
1808 		printf("invalid");				\
1809 		break;						\
1810 	}
1811 
1812 	switch(sa->sa_family) {
1813 	case AF_INET: {
1814 		struct sockaddr_in sa_in;
1815 
1816 		memset(&sa_in, 0, sizeof(sa_in));
1817 		memcpy(&sa_in, sa, sa->sa_len);
1818 		check_sockaddr_len(in);
1819 		inet_ntop(AF_INET, &sa_in.sin_addr, addr, sizeof addr);
1820 		printf("%s:%u", addr, ntohs(sa_in.sin_port));
1821 		break;
1822 	}
1823 	case AF_INET6: {
1824 		struct sockaddr_in6 sa_in6;
1825 
1826 		memset(&sa_in6, 0, sizeof(sa_in6));
1827 		memcpy(&sa_in6, sa, sa->sa_len);
1828 		check_sockaddr_len(in6);
1829 		getnameinfo((struct sockaddr *)&sa_in6, sizeof(sa_in6),
1830 		    addr, sizeof(addr), NULL, 0, NI_NUMERICHOST);
1831 		printf("[%s]:%u", addr, htons(sa_in6.sin6_port));
1832 		break;
1833 	}
1834 	case AF_UNIX: {
1835 		struct sockaddr_un sa_un;
1836 
1837 		memset(&sa_un, 0, sizeof(sa_un));
1838 		memcpy(&sa_un, sa, sa->sa_len);
1839 		printf("%.*s", (int)sizeof(sa_un.sun_path), sa_un.sun_path);
1840 		break;
1841 	}
1842 	default:
1843 		printf("unknown address family");
1844 	}
1845 	printf(" }\n");
1846 }
1847 
1848 void
1849 ktrstat(struct stat *statp)
1850 {
1851 	char mode[12], timestr[PATH_MAX + 4];
1852 	struct passwd *pwd;
1853 	struct group  *grp;
1854 	struct tm *tm;
1855 
1856 	/*
1857 	 * note: ktrstruct() has already verified that statp points to a
1858 	 * buffer exactly sizeof(struct stat) bytes long.
1859 	 */
1860 	printf("struct stat {");
1861 	printf("dev=%ju, ino=%ju, ",
1862 		(uintmax_t)statp->st_dev, (uintmax_t)statp->st_ino);
1863 	if (!resolv)
1864 		printf("mode=0%jo, ", (uintmax_t)statp->st_mode);
1865 	else {
1866 		strmode(statp->st_mode, mode);
1867 		printf("mode=%s, ", mode);
1868 	}
1869 	printf("nlink=%ju, ", (uintmax_t)statp->st_nlink);
1870 	if (!resolv) {
1871 		pwd = NULL;
1872 	} else {
1873 #ifdef WITH_CASPER
1874 		if (cappwd != NULL)
1875 			pwd = cap_getpwuid(cappwd, statp->st_uid);
1876 		else
1877 #endif
1878 			pwd = getpwuid(statp->st_uid);
1879 	}
1880 	if (pwd == NULL)
1881 		printf("uid=%ju, ", (uintmax_t)statp->st_uid);
1882 	else
1883 		printf("uid=\"%s\", ", pwd->pw_name);
1884 	if (!resolv) {
1885 		grp = NULL;
1886 	} else {
1887 #ifdef WITH_CASPER
1888 		if (capgrp != NULL)
1889 			grp = cap_getgrgid(capgrp, statp->st_gid);
1890 		else
1891 #endif
1892 			grp = getgrgid(statp->st_gid);
1893 	}
1894 	if (grp == NULL)
1895 		printf("gid=%ju, ", (uintmax_t)statp->st_gid);
1896 	else
1897 		printf("gid=\"%s\", ", grp->gr_name);
1898 	printf("rdev=%ju, ", (uintmax_t)statp->st_rdev);
1899 	printf("atime=");
1900 	if (!resolv)
1901 		printf("%jd", (intmax_t)statp->st_atim.tv_sec);
1902 	else {
1903 		tm = localtime(&statp->st_atim.tv_sec);
1904 		strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1905 		printf("\"%s\"", timestr);
1906 	}
1907 	if (statp->st_atim.tv_nsec != 0)
1908 		printf(".%09ld, ", statp->st_atim.tv_nsec);
1909 	else
1910 		printf(", ");
1911 	printf("mtime=");
1912 	if (!resolv)
1913 		printf("%jd", (intmax_t)statp->st_mtim.tv_sec);
1914 	else {
1915 		tm = localtime(&statp->st_mtim.tv_sec);
1916 		strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1917 		printf("\"%s\"", timestr);
1918 	}
1919 	if (statp->st_mtim.tv_nsec != 0)
1920 		printf(".%09ld, ", statp->st_mtim.tv_nsec);
1921 	else
1922 		printf(", ");
1923 	printf("ctime=");
1924 	if (!resolv)
1925 		printf("%jd", (intmax_t)statp->st_ctim.tv_sec);
1926 	else {
1927 		tm = localtime(&statp->st_ctim.tv_sec);
1928 		strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1929 		printf("\"%s\"", timestr);
1930 	}
1931 	if (statp->st_ctim.tv_nsec != 0)
1932 		printf(".%09ld, ", statp->st_ctim.tv_nsec);
1933 	else
1934 		printf(", ");
1935 	printf("birthtime=");
1936 	if (!resolv)
1937 		printf("%jd", (intmax_t)statp->st_birthtim.tv_sec);
1938 	else {
1939 		tm = localtime(&statp->st_birthtim.tv_sec);
1940 		strftime(timestr, sizeof(timestr), TIME_FORMAT, tm);
1941 		printf("\"%s\"", timestr);
1942 	}
1943 	if (statp->st_birthtim.tv_nsec != 0)
1944 		printf(".%09ld, ", statp->st_birthtim.tv_nsec);
1945 	else
1946 		printf(", ");
1947 	printf("size=%jd, blksize=%ju, blocks=%jd, flags=0x%x",
1948 		(uintmax_t)statp->st_size, (uintmax_t)statp->st_blksize,
1949 		(intmax_t)statp->st_blocks, statp->st_flags);
1950 	printf(" }\n");
1951 }
1952 
1953 void
1954 ktrstruct(char *buf, size_t buflen)
1955 {
1956 	char *name, *data;
1957 	size_t namelen, datalen;
1958 	int i;
1959 	cap_rights_t rights;
1960 	struct itimerval it;
1961 	struct stat sb;
1962 	struct sockaddr_storage ss;
1963 
1964 	for (name = buf, namelen = 0;
1965 	     namelen < buflen && name[namelen] != '\0';
1966 	     ++namelen)
1967 		/* nothing */;
1968 	if (namelen == buflen)
1969 		goto invalid;
1970 	if (name[namelen] != '\0')
1971 		goto invalid;
1972 	data = buf + namelen + 1;
1973 	datalen = buflen - namelen - 1;
1974 	if (datalen == 0)
1975 		goto invalid;
1976 	/* sanity check */
1977 	for (i = 0; i < (int)namelen; ++i)
1978 		if (!isalpha(name[i]))
1979 			goto invalid;
1980 	if (strcmp(name, "caprights") == 0) {
1981 		if (datalen != sizeof(cap_rights_t))
1982 			goto invalid;
1983 		memcpy(&rights, data, datalen);
1984 		ktrcaprights(&rights);
1985 	} else if (strcmp(name, "itimerval") == 0) {
1986 		if (datalen != sizeof(struct itimerval))
1987 			goto invalid;
1988 		memcpy(&it, data, datalen);
1989 		ktritimerval(&it);
1990 	} else if (strcmp(name, "stat") == 0) {
1991 		if (datalen != sizeof(struct stat))
1992 			goto invalid;
1993 		memcpy(&sb, data, datalen);
1994 		ktrstat(&sb);
1995 	} else if (strcmp(name, "sockaddr") == 0) {
1996 		if (datalen > sizeof(ss))
1997 			goto invalid;
1998 		memcpy(&ss, data, datalen);
1999 		if (datalen != ss.ss_len)
2000 			goto invalid;
2001 		ktrsockaddr((struct sockaddr *)&ss);
2002 	} else {
2003 		printf("unknown structure\n");
2004 	}
2005 	return;
2006 invalid:
2007 	printf("invalid record\n");
2008 }
2009 
2010 void
2011 ktrcapfail(struct ktr_cap_fail *ktr)
2012 {
2013 	switch (ktr->cap_type) {
2014 	case CAPFAIL_NOTCAPABLE:
2015 		/* operation on fd with insufficient capabilities */
2016 		printf("operation requires ");
2017 		sysdecode_cap_rights(stdout, &ktr->cap_needed);
2018 		printf(", descriptor holds ");
2019 		sysdecode_cap_rights(stdout, &ktr->cap_held);
2020 		break;
2021 	case CAPFAIL_INCREASE:
2022 		/* requested more capabilities than fd already has */
2023 		printf("attempt to increase capabilities from ");
2024 		sysdecode_cap_rights(stdout, &ktr->cap_held);
2025 		printf(" to ");
2026 		sysdecode_cap_rights(stdout, &ktr->cap_needed);
2027 		break;
2028 	case CAPFAIL_SYSCALL:
2029 		/* called restricted syscall */
2030 		printf("disallowed system call");
2031 		break;
2032 	case CAPFAIL_LOOKUP:
2033 		/* absolute or AT_FDCWD path, ".." path, etc. */
2034 		printf("restricted VFS lookup");
2035 		break;
2036 	default:
2037 		printf("unknown capability failure: ");
2038 		sysdecode_cap_rights(stdout, &ktr->cap_needed);
2039 		printf(" ");
2040 		sysdecode_cap_rights(stdout, &ktr->cap_held);
2041 		break;
2042 	}
2043 	printf("\n");
2044 }
2045 
2046 void
2047 ktrfault(struct ktr_fault *ktr)
2048 {
2049 
2050 	printf("0x%jx ", (uintmax_t)ktr->vaddr);
2051 	print_mask_arg(sysdecode_vmprot, ktr->type);
2052 	printf("\n");
2053 }
2054 
2055 void
2056 ktrfaultend(struct ktr_faultend *ktr)
2057 {
2058 	const char *str;
2059 
2060 	str = sysdecode_vmresult(ktr->result);
2061 	if (str != NULL)
2062 		printf("%s", str);
2063 	else
2064 		printf("<invalid=%d>", ktr->result);
2065 	printf("\n");
2066 }
2067 
2068 void
2069 ktrkevent(struct kevent *kev)
2070 {
2071 
2072 	printf("{ ident=");
2073 	switch (kev->filter) {
2074 	case EVFILT_READ:
2075 	case EVFILT_WRITE:
2076 	case EVFILT_VNODE:
2077 	case EVFILT_PROC:
2078 	case EVFILT_TIMER:
2079 	case EVFILT_PROCDESC:
2080 	case EVFILT_EMPTY:
2081 		printf("%ju", (uintmax_t)kev->ident);
2082 		break;
2083 	case EVFILT_SIGNAL:
2084 		print_signal(kev->ident);
2085 		break;
2086 	default:
2087 		printf("%p", (void *)kev->ident);
2088 	}
2089 	printf(", filter=");
2090 	print_integer_arg(sysdecode_kevent_filter, kev->filter);
2091 	printf(", flags=");
2092 	print_mask_arg0(sysdecode_kevent_flags, kev->flags);
2093 	printf(", fflags=");
2094 	sysdecode_kevent_fflags(stdout, kev->filter, kev->fflags,
2095 	    decimal ? 10 : 16);
2096 	printf(", data=%#jx, udata=%p }", (uintmax_t)kev->data, kev->udata);
2097 }
2098 
2099 void
2100 ktrstructarray(struct ktr_struct_array *ksa, size_t buflen)
2101 {
2102 	struct kevent kev;
2103 	char *name, *data;
2104 	size_t namelen, datalen;
2105 	int i;
2106 	bool first;
2107 
2108 	buflen -= sizeof(*ksa);
2109 	for (name = (char *)(ksa + 1), namelen = 0;
2110 	     namelen < buflen && name[namelen] != '\0';
2111 	     ++namelen)
2112 		/* nothing */;
2113 	if (namelen == buflen)
2114 		goto invalid;
2115 	if (name[namelen] != '\0')
2116 		goto invalid;
2117 	/* sanity check */
2118 	for (i = 0; i < (int)namelen; ++i)
2119 		if (!isalnum(name[i]) && name[i] != '_')
2120 			goto invalid;
2121 	data = name + namelen + 1;
2122 	datalen = buflen - namelen - 1;
2123 	printf("struct %s[] = { ", name);
2124 	first = true;
2125 	for (; datalen >= ksa->struct_size;
2126 	    data += ksa->struct_size, datalen -= ksa->struct_size) {
2127 		if (!first)
2128 			printf("\n             ");
2129 		else
2130 			first = false;
2131 		if (strcmp(name, "kevent") == 0) {
2132 			if (ksa->struct_size != sizeof(kev))
2133 				goto bad_size;
2134 			memcpy(&kev, data, sizeof(kev));
2135 			ktrkevent(&kev);
2136 		} else if (strcmp(name, "kevent_freebsd11") == 0) {
2137 			struct kevent_freebsd11 kev11;
2138 
2139 			if (ksa->struct_size != sizeof(kev11))
2140 				goto bad_size;
2141 			memcpy(&kev11, data, sizeof(kev11));
2142 			memset(&kev, 0, sizeof(kev));
2143 			kev.ident = kev11.ident;
2144 			kev.filter = kev11.filter;
2145 			kev.flags = kev11.flags;
2146 			kev.fflags = kev11.fflags;
2147 			kev.data = kev11.data;
2148 			kev.udata = kev11.udata;
2149 			ktrkevent(&kev);
2150 #ifdef _WANT_KEVENT32
2151 		} else if (strcmp(name, "kevent32") == 0) {
2152 			struct kevent32 kev32;
2153 
2154 			if (ksa->struct_size != sizeof(kev32))
2155 				goto bad_size;
2156 			memcpy(&kev32, data, sizeof(kev32));
2157 			memset(&kev, 0, sizeof(kev));
2158 			kev.ident = kev32.ident;
2159 			kev.filter = kev32.filter;
2160 			kev.flags = kev32.flags;
2161 			kev.fflags = kev32.fflags;
2162 #if BYTE_ORDER == BIG_ENDIAN
2163 			kev.data = kev32.data2 | ((int64_t)kev32.data1 << 32);
2164 #else
2165 			kev.data = kev32.data1 | ((int64_t)kev32.data2 << 32);
2166 #endif
2167 			kev.udata = (void *)(uintptr_t)kev32.udata;
2168 			ktrkevent(&kev);
2169 		} else if (strcmp(name, "kevent32_freebsd11") == 0) {
2170 			struct kevent32_freebsd11 kev32;
2171 
2172 			if (ksa->struct_size != sizeof(kev32))
2173 				goto bad_size;
2174 			memcpy(&kev32, data, sizeof(kev32));
2175 			memset(&kev, 0, sizeof(kev));
2176 			kev.ident = kev32.ident;
2177 			kev.filter = kev32.filter;
2178 			kev.flags = kev32.flags;
2179 			kev.fflags = kev32.fflags;
2180 			kev.data = kev32.data;
2181 			kev.udata = (void *)(uintptr_t)kev32.udata;
2182 			ktrkevent(&kev);
2183 #endif
2184 		} else {
2185 			printf("<unknown structure> }\n");
2186 			return;
2187 		}
2188 	}
2189 	printf(" }\n");
2190 	return;
2191 invalid:
2192 	printf("invalid record\n");
2193 	return;
2194 bad_size:
2195 	printf("<bad size> }\n");
2196 	return;
2197 }
2198 
2199 void
2200 usage(void)
2201 {
2202 	fprintf(stderr, "usage: kdump [-dEnlHRrSsTA] [-f trfile] "
2203 	    "[-m maxdata] [-p pid] [-t trstr]\n");
2204 	exit(1);
2205 }
2206