xref: /netbsd-src/bin/ps/print.c (revision 95d875fb90b1458e4f1de6950286ddcd6644bc61)
1 /*	$NetBSD: print.c,v 1.49 1999/12/05 18:33:28 fredb Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993, 1994
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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include <sys/cdefs.h>
37 #ifndef lint
38 #if 0
39 static char sccsid[] = "@(#)print.c	8.6 (Berkeley) 4/16/94";
40 #else
41 __RCSID("$NetBSD: print.c,v 1.49 1999/12/05 18:33:28 fredb Exp $");
42 #endif
43 #endif /* not lint */
44 
45 #include <sys/param.h>
46 #include <sys/time.h>
47 #include <sys/resource.h>
48 #include <sys/proc.h>
49 #include <sys/stat.h>
50 #include <sys/ucred.h>
51 #include <sys/sysctl.h>
52 
53 #include <vm/vm.h>
54 
55 #include <err.h>
56 #include <kvm.h>
57 #include <math.h>
58 #include <nlist.h>
59 #include <pwd.h>
60 #include <stddef.h>
61 #include <stdio.h>
62 #include <stdlib.h>
63 #include <string.h>
64 #include <time.h>
65 #include <tzfile.h>
66 #include <unistd.h>
67 
68 #include "ps.h"
69 
70 static char *cmdpart __P((char *));
71 static void  printval __P((char *, VAR *));
72 static int   titlecmp __P((char *, char **));
73 
74 #define	min(a,b)	((a) <= (b) ? (a) : (b))
75 #define	max(a,b)	((a) >= (b) ? (a) : (b))
76 
77 static char *
78 cmdpart(arg0)
79 	char *arg0;
80 {
81 	char *cp;
82 
83 	return ((cp = strrchr(arg0, '/')) != NULL ? cp + 1 : arg0);
84 }
85 
86 void
87 printheader()
88 {
89 	VAR *v;
90 	struct varent *vent;
91 
92 	for (vent = vhead; vent; vent = vent->next) {
93 		v = vent->var;
94 		if (v->flag & LJUST) {
95 			if (vent->next == NULL)	/* last one */
96 				(void)printf("%s", v->header);
97 			else
98 				(void)printf("%-*s", v->width, v->header);
99 		} else
100 			(void)printf("%*s", v->width, v->header);
101 		if (vent->next != NULL)
102 			(void)putchar(' ');
103 	}
104 	(void)putchar('\n');
105 }
106 
107 static int
108 titlecmp(name, argv)
109 	char *name;
110 	char **argv;
111 {
112 	char *title;
113 	int namelen;
114 
115 	if (argv == 0 || argv[0] == 0)
116 		return (1);
117 
118 	title = cmdpart(argv[0]);
119 
120 	if (!strcmp(name, title))
121 		return (0);
122 
123 	if (title[0] == '-' && !strcmp(name, title+1))
124 		return (0);
125 
126 	namelen = strlen(name);
127 
128 	if (argv[1] == 0 &&
129 	    !strncmp(name, title, namelen) &&
130 	    title[namelen+0] == ':' &&
131 	    title[namelen+1] == ' ')
132 		return (0);
133 
134 	return (1);
135 }
136 
137 void
138 command(ki, ve)
139 	KINFO *ki;
140 	VARENT *ve;
141 {
142 	VAR *v;
143 	int left;
144 	char **argv, **p, *name;
145 
146 	v = ve->var;
147 	if (ve->next != NULL || termwidth != UNLIMITED) {
148 		if (ve->next == NULL) {
149 			left = termwidth - (totwidth - v->width);
150 			if (left < 1) /* already wrapped, just use std width */
151 				left = v->width;
152 		} else
153 			left = v->width;
154 	} else
155 		left = -1;
156 	if (needenv && (myuid == 0 || KI_EPROC(ki)->e_ucred.cr_uid == myuid) &&
157 	    kd) {
158 		argv = kvm_getenvv(kd, ki->ki_p, termwidth);
159 		if ((p = argv) != NULL) {
160 			while (*p) {
161 				fmt_puts(*p, &left);
162 				p++;
163 				fmt_putc(' ', &left);
164 			}
165 		}
166 	}
167 	if (needcomm) {
168 		name = KI_PROC(ki)->p_comm;
169 		if (!commandonly) {
170 			argv = NULL;
171 			if (!use_procfs)
172 				argv = kvm_getargv(kd, ki->ki_p, termwidth);
173 			else
174 				argv = procfs_getargv(ki->ki_p, termwidth);
175 			if ((p = argv) != NULL) {
176 				while (*p) {
177 					fmt_puts(*p, &left);
178 					p++;
179 					fmt_putc(' ', &left);
180 				}
181 			}
182 			if (titlecmp(name, argv)) {
183 				fmt_putc('(', &left);
184 				fmt_puts(name, &left);
185 				fmt_putc(')', &left);
186 			}
187 			if (use_procfs && argv) {
188 				free(argv[0]);
189 				free(argv);
190 			}
191 		} else {
192 			fmt_puts(name, &left);
193 		}
194 	}
195 	if (ve->next && left > 0)
196 		printf("%*s", left, "");
197 }
198 
199 void
200 ucomm(k, ve)
201 	KINFO *k;
202 	VARENT *ve;
203 {
204 	VAR *v;
205 
206 	v = ve->var;
207 	(void)printf("%-*s", v->width, KI_PROC(k)->p_comm);
208 }
209 
210 void
211 logname(k, ve)
212 	KINFO *k;
213 	VARENT *ve;
214 {
215 	VAR *v;
216 	int n;
217 
218 	v = ve->var;
219 	n = min(v->width, MAXLOGNAME);
220 	(void)printf("%-*.*s", n, n, KI_EPROC(k)->e_login);
221 	if (v->width > n)
222 		(void)printf("%*s", v->width - n, "");
223 }
224 
225 void
226 state(k, ve)
227 	KINFO *k;
228 	VARENT *ve;
229 {
230 	struct proc *p;
231 	int flag;
232 	char *cp;
233 	VAR *v;
234 	char buf[16];
235 
236 	v = ve->var;
237 	p = KI_PROC(k);
238 	flag = p->p_flag;
239 	cp = buf;
240 
241 	switch (p->p_stat) {
242 
243 	case SSTOP:
244 		*cp = 'T';
245 		break;
246 
247 	case SSLEEP:
248 		if (flag & P_SINTR)	/* interuptable (long) */
249 			*cp = p->p_slptime >= MAXSLP ? 'I' : 'S';
250 		else
251 			*cp = 'D';
252 		break;
253 
254 	case SRUN:
255 	case SIDL:
256 		*cp = 'R';
257 		break;
258 
259 	case SZOMB:
260 	case SDEAD:
261 		*cp = 'Z';
262 		break;
263 
264 	default:
265 		*cp = '?';
266 	}
267 	cp++;
268 	if (flag & P_INMEM) {
269 	} else
270 		*cp++ = 'W';
271 	if (p->p_nice < NZERO)
272 		*cp++ = '<';
273 	else if (p->p_nice > NZERO)
274 		*cp++ = 'N';
275 	if (flag & P_TRACED)
276 		*cp++ = 'X';
277 	if (flag & P_WEXIT && P_ZOMBIE(p) == 0)
278 		*cp++ = 'E';
279 	if (flag & P_PPWAIT)
280 		*cp++ = 'V';
281 	if ((flag & P_SYSTEM) || p->p_holdcnt)
282 		*cp++ = 'L';
283 	if (KI_EPROC(k)->e_flag & EPROC_SLEADER)
284 		*cp++ = 's';
285 	if ((flag & P_CONTROLT) && KI_EPROC(k)->e_pgid == KI_EPROC(k)->e_tpgid)
286 		*cp++ = '+';
287 	*cp = '\0';
288 	(void)printf("%-*s", v->width, buf);
289 }
290 
291 void
292 pnice(k, ve)
293 	KINFO *k;
294 	VARENT *ve;
295 {
296 	VAR *v;
297 
298 	v = ve->var;
299 	(void)printf("%*d", v->width, KI_PROC(k)->p_nice - NZERO);
300 }
301 
302 void
303 pri(k, ve)
304 	KINFO *k;
305 	VARENT *ve;
306 {
307 	VAR *v;
308 
309 	v = ve->var;
310 	(void)printf("%*d", v->width, KI_PROC(k)->p_priority - PZERO);
311 }
312 
313 void
314 uname(k, ve)
315 	KINFO *k;
316 	VARENT *ve;
317 {
318 	VAR *v;
319 
320 	v = ve->var;
321 	(void)printf("%-*s",
322 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_ucred.cr_uid, 0));
323 }
324 
325 void
326 runame(k, ve)
327 	KINFO *k;
328 	VARENT *ve;
329 {
330 	VAR *v;
331 
332 	v = ve->var;
333 	(void)printf("%-*s",
334 	    (int)v->width, user_from_uid(KI_EPROC(k)->e_pcred.p_ruid, 0));
335 }
336 
337 void
338 tdev(k, ve)
339 	KINFO *k;
340 	VARENT *ve;
341 {
342 	VAR *v;
343 	dev_t dev;
344 	char buff[16];
345 
346 	v = ve->var;
347 	dev = KI_EPROC(k)->e_tdev;
348 	if (dev == NODEV)
349 		(void)printf("%*s", v->width, "??");
350 	else {
351 		(void)snprintf(buff, sizeof(buff),
352 		    "%d/%d", major(dev), minor(dev));
353 		(void)printf("%*s", v->width, buff);
354 	}
355 }
356 
357 void
358 tname(k, ve)
359 	KINFO *k;
360 	VARENT *ve;
361 {
362 	VAR *v;
363 	dev_t dev;
364 	const char *ttname;
365 
366 	v = ve->var;
367 	dev = KI_EPROC(k)->e_tdev;
368 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
369 		(void)printf("%-*s", v->width, "??");
370 	else {
371 		if (strncmp(ttname, "tty", 3) == 0 ||
372 		    strncmp(ttname, "dty", 3) == 0)
373 			ttname += 3;
374 		(void)printf("%*.*s%c", v->width-1, v->width-1, ttname,
375 			KI_EPROC(k)->e_flag & EPROC_CTTY ? ' ' : '-');
376 	}
377 }
378 
379 void
380 longtname(k, ve)
381 	KINFO *k;
382 	VARENT *ve;
383 {
384 	VAR *v;
385 	dev_t dev;
386 	const char *ttname;
387 
388 	v = ve->var;
389 	dev = KI_EPROC(k)->e_tdev;
390 	if (dev == NODEV || (ttname = devname(dev, S_IFCHR)) == NULL)
391 		(void)printf("%-*s", v->width, "??");
392 	else
393 		(void)printf("%-*s", v->width, ttname);
394 }
395 
396 void
397 started(k, ve)
398 	KINFO *k;
399 	VARENT *ve;
400 {
401 	VAR *v;
402 	static time_t now;
403 	time_t startt;
404 	struct tm *tp;
405 	char buf[100];
406 
407 	v = ve->var;
408 	if (!k->ki_u.u_valid) {
409 		(void)printf("%-*s", v->width, "-");
410 		return;
411 	}
412 
413 	startt = k->ki_u.u_start.tv_sec;
414 	tp = localtime(&startt);
415 	if (!now)
416 		(void)time(&now);
417 	if (now - k->ki_u.u_start.tv_sec < 24 * SECSPERHOUR) {
418 		/* I *hate* SCCS... */
419 		static char fmt[] = __CONCAT("%l:%", "M%p");
420 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
421 	} else if (now - k->ki_u.u_start.tv_sec < 7 * SECSPERDAY) {
422 		/* I *hate* SCCS... */
423 		static char fmt[] = __CONCAT("%a%", "I%p");
424 		(void)strftime(buf, sizeof(buf) - 1, fmt, tp);
425 	} else
426 		(void)strftime(buf, sizeof(buf) - 1, "%e%b%y", tp);
427 	(void)printf("%-*s", v->width, buf);
428 }
429 
430 void
431 lstarted(k, ve)
432 	KINFO *k;
433 	VARENT *ve;
434 {
435 	VAR *v;
436 	time_t startt;
437 	char buf[100];
438 
439 	v = ve->var;
440 	if (!k->ki_u.u_valid) {
441 		(void)printf("%-*s", v->width, "-");
442 		return;
443 	}
444 	startt = k->ki_u.u_start.tv_sec;
445 	(void)strftime(buf, sizeof(buf) -1, "%c",
446 	    localtime(&startt));
447 	(void)printf("%-*s", v->width, buf);
448 }
449 
450 void
451 wchan(k, ve)
452 	KINFO *k;
453 	VARENT *ve;
454 {
455 	VAR *v;
456 	int n;
457 
458 	v = ve->var;
459 	if (KI_PROC(k)->p_wchan) {
460 		if (KI_PROC(k)->p_wmesg) {
461 			n = min(v->width, WMESGLEN);
462 			(void)printf("%-*.*s", n, n, KI_EPROC(k)->e_wmesg);
463 			if (v->width > n)
464 				(void)printf("%*s", v->width - n, "");
465 		} else
466 			(void)printf("%-*lx", v->width,
467 			    (long)KI_PROC(k)->p_wchan);
468 	} else
469 		(void)printf("%-*s", v->width, "-");
470 }
471 
472 #define pgtok(a)        (((a)*getpagesize())/1024)
473 
474 void
475 vsize(k, ve)
476 	KINFO *k;
477 	VARENT *ve;
478 {
479 	VAR *v;
480 
481 	v = ve->var;
482 	(void)printf("%*d", v->width,
483 	    pgtok(KI_EPROC(k)->e_vm.vm_dsize + KI_EPROC(k)->e_vm.vm_ssize +
484 		KI_EPROC(k)->e_vm.vm_tsize));
485 }
486 
487 void
488 rssize(k, ve)
489 	KINFO *k;
490 	VARENT *ve;
491 {
492 	VAR *v;
493 
494 	v = ve->var;
495 	/* XXX don't have info about shared */
496 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
497 }
498 
499 void
500 p_rssize(k, ve)		/* doesn't account for text */
501 	KINFO *k;
502 	VARENT *ve;
503 {
504 	VAR *v;
505 
506 	v = ve->var;
507 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_rssize));
508 }
509 
510 void
511 cputime(k, ve)
512 	KINFO *k;
513 	VARENT *ve;
514 {
515 	VAR *v;
516 	long secs;
517 	long psecs;	/* "parts" of a second. first micro, then centi */
518 	char obuff[128];
519 
520 	v = ve->var;
521 	if (P_ZOMBIE(KI_PROC(k)) || k->ki_u.u_valid == 0) {
522 		secs = 0;
523 		psecs = 0;
524 	} else {
525 		/*
526 		 * This counts time spent handling interrupts.  We could
527 		 * fix this, but it is not 100% trivial (and interrupt
528 		 * time fractions only work on the sparc anyway).	XXX
529 		 */
530 		secs = KI_PROC(k)->p_rtime.tv_sec;
531 		psecs = KI_PROC(k)->p_rtime.tv_usec;
532 		if (sumrusage) {
533 			secs += k->ki_u.u_cru.ru_utime.tv_sec +
534 				k->ki_u.u_cru.ru_stime.tv_sec;
535 			psecs += k->ki_u.u_cru.ru_utime.tv_usec +
536 				k->ki_u.u_cru.ru_stime.tv_usec;
537 		}
538 		/*
539 		 * round and scale to 100's
540 		 */
541 		psecs = (psecs + 5000) / 10000;
542 		secs += psecs / 100;
543 		psecs = psecs % 100;
544 	}
545 	(void)snprintf(obuff, sizeof(obuff),
546 	    "%3ld:%02ld.%02ld", secs/60, secs%60, psecs);
547 	(void)printf("%*s", v->width, obuff);
548 }
549 
550 double
551 getpcpu(k)
552 	KINFO *k;
553 {
554 	struct proc *p;
555 	static int failure;
556 
557 	if (!nlistread)
558 		failure = (kd) ? donlist() : 1;
559 	if (failure)
560 		return (0.0);
561 
562 	p = KI_PROC(k);
563 #define	fxtofl(fixpt)	((double)(fixpt) / fscale)
564 
565 	/* XXX - I don't like this */
566 	if (p->p_swtime == 0 || (p->p_flag & P_INMEM) == 0 ||
567 	    P_ZOMBIE(p))
568 		return (0.0);
569 	if (rawcpu)
570 		return (100.0 * fxtofl(p->p_pctcpu));
571 	return (100.0 * fxtofl(p->p_pctcpu) /
572 		(1.0 - exp(p->p_swtime * log(fxtofl(ccpu)))));
573 }
574 
575 void
576 pcpu(k, ve)
577 	KINFO *k;
578 	VARENT *ve;
579 {
580 	VAR *v;
581 
582 	v = ve->var;
583 	(void)printf("%*.1f", v->width, getpcpu(k));
584 }
585 
586 double
587 getpmem(k)
588 	KINFO *k;
589 {
590 	static int failure;
591 	struct proc *p;
592 	struct eproc *e;
593 	double fracmem;
594 	int szptudot;
595 
596 	if (!nlistread)
597 		failure = (kd) ? donlist() : 1;
598 	if (failure)
599 		return (0.0);
600 
601 	p = KI_PROC(k);
602 	e = KI_EPROC(k);
603 	if ((p->p_flag & P_INMEM) == 0)
604 		return (0.0);
605 	/* XXX want pmap ptpages, segtab, etc. (per architecture) */
606 	szptudot = USPACE/getpagesize();
607 	/* XXX don't have info about shared */
608 	fracmem = ((float)e->e_vm.vm_rssize + szptudot)/mempages;
609 	return (100.0 * fracmem);
610 }
611 
612 void
613 pmem(k, ve)
614 	KINFO *k;
615 	VARENT *ve;
616 {
617 	VAR *v;
618 
619 	v = ve->var;
620 	(void)printf("%*.1f", v->width, getpmem(k));
621 }
622 
623 void
624 pagein(k, ve)
625 	KINFO *k;
626 	VARENT *ve;
627 {
628 	VAR *v;
629 
630 	v = ve->var;
631 	(void)printf("%*ld", v->width,
632 	    k->ki_u.u_valid ? k->ki_u.u_ru.ru_majflt : 0);
633 }
634 
635 void
636 maxrss(k, ve)
637 	KINFO *k;
638 	VARENT *ve;
639 {
640 	VAR *v;
641 
642 	v = ve->var;
643 	(void)printf("%*s", v->width, "-");
644 }
645 
646 void
647 tsize(k, ve)
648 	KINFO *k;
649 	VARENT *ve;
650 {
651 	VAR *v;
652 
653 	v = ve->var;
654 	(void)printf("%*d", v->width, pgtok(KI_EPROC(k)->e_vm.vm_tsize));
655 }
656 
657 /*
658  * Generic output routines.  Print fields from various prototype
659  * structures.
660  */
661 static void
662 printval(bp, v)
663 	char *bp;
664 	VAR *v;
665 {
666 	static char ofmt[32] = "%";
667 	char *fcp, *cp;
668 	enum type type;
669 
670 	cp = ofmt + 1;
671 	fcp = v->fmt;
672 	if (v->flag & LJUST)
673 		*cp++ = '-';
674 	*cp++ = '*';
675 	while ((*cp++ = *fcp++) != '\0')
676 		continue;
677 
678 	/*
679 	 * Note that the "INF127" check is nonsensical for types
680 	 * that are or can be signed.
681 	 */
682 #define	GET(type)		(*(type *)bp)
683 #define	CHK_INF127(n)		(((n) > 127) && (v->flag & INF127) ? 127 : (n))
684 
685 	switch (v->type) {
686 	case INT32:
687 		if (sizeof(int32_t) == sizeof(int))
688 			type = INT;
689 		else if (sizeof(int32_t) == sizeof(long))
690 			type = LONG;
691 		else
692 			errx(1, "unknown conversion for type %d", v->type);
693 		break;
694 	case UINT32:
695 		if (sizeof(u_int32_t) == sizeof(u_int))
696 			type = UINT;
697 		else if (sizeof(u_int32_t) == sizeof(u_long))
698 			type = ULONG;
699 		else
700 			errx(1, "unknown conversion for type %d", v->type);
701 		break;
702 	default:
703 		type = v->type;
704 		break;
705 	}
706 
707 	switch (type) {
708 	case CHAR:
709 		(void)printf(ofmt, v->width, GET(char));
710 		break;
711 	case UCHAR:
712 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_char)));
713 		break;
714 	case SHORT:
715 		(void)printf(ofmt, v->width, GET(short));
716 		break;
717 	case USHORT:
718 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_short)));
719 		break;
720 	case INT:
721 		(void)printf(ofmt, v->width, GET(int));
722 		break;
723 	case UINT:
724 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_int)));
725 		break;
726 	case LONG:
727 		(void)printf(ofmt, v->width, GET(long));
728 		break;
729 	case ULONG:
730 		(void)printf(ofmt, v->width, CHK_INF127(GET(u_long)));
731 		break;
732 	case KPTR:
733 		(void)printf(ofmt, v->width, GET(u_long));
734 		break;
735 	case KPTR24:
736 		(void)printf(ofmt, v->width, GET(u_long) & 0xffffff);
737 		break;
738 	case SIGLIST:
739 		{
740 			sigset_t *s = (sigset_t *)(void *)bp;
741 			size_t i;
742 #define SIGSETSIZE	(sizeof(s->__bits) / sizeof(s->__bits[0]))
743 			char buf[SIGSETSIZE * 8 + 1];
744 
745 			for (i = 0; i < SIGSETSIZE; i++)
746 				(void)snprintf(&buf[i * 8], 9, "%.8x",
747 				    s->__bits[(SIGSETSIZE - 1) - i]);
748 
749 			/* Skip leading zeroes */
750 			for (i = 0; buf[i]; i++)
751 				if (buf[i] != '0')
752 					break;
753 
754 			if (buf[i] == '\0')
755 				i--;
756 			(void)printf(ofmt, v->width, &buf[i]);
757 		}
758 		break;
759 	default:
760 		errx(1, "unknown type %d", v->type);
761 	}
762 #undef GET
763 #undef CHK_INF127
764 }
765 
766 void
767 pvar(k, ve)
768 	KINFO *k;
769 	VARENT *ve;
770 {
771 	VAR *v;
772 
773 	v = ve->var;
774 	printval((char *)KI_PROC(k) + v->off, v);
775 }
776 
777 void
778 evar(k, ve)
779 	KINFO *k;
780 	VARENT *ve;
781 {
782 	VAR *v;
783 
784 	v = ve->var;
785 	printval((char *)KI_EPROC(k) + v->off, v);
786 }
787 
788 void
789 uvar(k, ve)
790 	KINFO *k;
791 	VARENT *ve;
792 {
793 	VAR *v;
794 
795 	v = ve->var;
796 	if (k->ki_u.u_valid)
797 		printval((char *)&k->ki_u + v->off, v);
798 	else
799 		(void)printf("%*s", v->width, "-");
800 }
801 
802 void
803 rvar(k, ve)
804 	KINFO *k;
805 	VARENT *ve;
806 {
807 	VAR *v;
808 
809 	v = ve->var;
810 	if (k->ki_u.u_valid)
811 		printval((char *)&k->ki_u.u_ru + v->off, v);
812 	else
813 		(void)printf("%*s", v->width, "-");
814 }
815