root/usr/src/cmd/truss/expound.c
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */

/*
 * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
 * Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
 * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
 * Copyright 2015 Joyent, Inc.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

#define _SYSCALL32

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <libproc.h>
#include <string.h>
#include <limits.h>
#include <sys/statfs.h>
#include <sys/times.h>
#include <sys/timex.h>
#include <sys/utssys.h>
#include <sys/utsname.h>
#include <sys/ipc.h>
#include <sys/ipc_impl.h>
#include <sys/msg.h>
#include <sys/msg_impl.h>
#include <sys/sem.h>
#include <sys/sem_impl.h>
#include <sys/shm.h>
#include <sys/shm_impl.h>
#include <sys/dirent.h>
#include <ustat.h>
#include <fcntl.h>
#include <time.h>
#include <sys/termios.h>
#include <sys/termiox.h>
#include <sys/termio.h>
#include <sys/ttold.h>
#include <sys/jioctl.h>
#include <sys/filio.h>
#include <stropts.h>
#include <poll.h>
#include <sys/uio.h>
#include <sys/resource.h>
#include <sys/statvfs.h>
#include <sys/time.h>
#include <sys/aio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
#include <sys/byteorder.h>
#include <arpa/inet.h>
#include <sys/audioio.h>
#include <sys/cladm.h>
#include <sys/synch.h>
#include <sys/synch32.h>
#include <sys/sysmacros.h>
#include <sys/sendfile.h>
#include <priv.h>
#include <ucred.h>
#include <sys/ucred.h>
#include <sys/port_impl.h>
#include <sys/zone.h>
#include <sys/priv_impl.h>
#include <sys/priv.h>
#include <tsol/label.h>
#include <sys/nvpair.h>
#include <libnvpair.h>
#include <sys/rctl_impl.h>
#include <sys/socketvar.h>
#include <sys/fs/zfs.h>
#include <sys/zfs_ioctl.h>

#include "ramdata.h"
#include "systable.h"
#include "proto.h"

void    show_sigset(private_t *, long, const char *);
void    show_ioctl(private_t *, int, long);
void    show_zfs_ioc(private_t *, long);

static void
mk_ctime(char *str, size_t maxsize, time_t value)
{
        (void) strftime(str, maxsize, "%b %e %H:%M:%S %Z %Y",
            localtime(&value));
}

void
prtime(private_t *pri, const char *name, time_t value)
{
        char str[80];

        mk_ctime(str, sizeof (str), value);
        (void) printf("%s\t%s%s  [ %lu ]\n",
            pri->pname,
            name,
            str,
            value);
}

void
prtimeval(private_t *pri, const char *name, struct timeval *value)
{
        char str[80];

        mk_ctime(str, sizeof (str), value->tv_sec);
        (void) printf("%s\t%s%s  [ %lu.%6.6lu ]\n",
            pri->pname,
            name,
            str,
            value->tv_sec,
            value->tv_usec);
}

void
prtimestruc(private_t *pri, const char *name, timestruc_t *value)
{
        char str[80];

        mk_ctime(str, sizeof (str), value->tv_sec);
        (void) printf("%s\t%s%s  [ %lu.%9.9lu ]\n",
            pri->pname,
            name,
            str,
            value->tv_sec,
            value->tv_nsec);
}

static void
show_utimens(private_t *pri, long offset)
{
        struct {
                timespec_t atime;
                timespec_t mtime;
        } utimbuf;

        if (offset == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &utimbuf, sizeof (utimbuf), offset)
                    != sizeof (utimbuf))
                        return;
        } else {
                struct {
                        timespec32_t atime;
                        timespec32_t mtime;
                } utimbuf32;

                if (Pread(Proc, &utimbuf32, sizeof (utimbuf32), offset)
                    != sizeof (utimbuf32))
                        return;

                TIMESPEC32_TO_TIMESPEC(&utimbuf.atime, &utimbuf32.atime);
                TIMESPEC32_TO_TIMESPEC(&utimbuf.mtime, &utimbuf32.mtime);
        }

        /* print access and modification times */
        if (utimbuf.atime.tv_nsec == UTIME_OMIT)
                (void) printf("%s\tat = UTIME_OMIT\n", pri->pname);
        else if (utimbuf.atime.tv_nsec == UTIME_NOW)
                (void) printf("%s\tat = UTIME_NOW\n", pri->pname);
        else
                prtimestruc(pri, "at = ", &utimbuf.atime);
        if (utimbuf.mtime.tv_nsec == UTIME_OMIT)
                (void) printf("%s\tmt = UTIME_OMIT\n", pri->pname);
        else if (utimbuf.mtime.tv_nsec == UTIME_NOW)
                (void) printf("%s\tmt = UTIME_NOW\n", pri->pname);
        else
                prtimestruc(pri, "mt = ", &utimbuf.mtime);
}

void
show_timeofday(private_t *pri)
{
        struct timeval tod;
        long offset;

        if (pri->sys_nargs < 1 || (offset = pri->sys_args[0]) == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &tod, sizeof (tod), offset)
                    != sizeof (tod))
                        return;
        } else {
                struct timeval32 tod32;

                if (Pread(Proc, &tod32, sizeof (tod32), offset)
                    != sizeof (tod32))
                        return;

                TIMEVAL32_TO_TIMEVAL(&tod, &tod32);
        }

        prtimeval(pri, "time: ", &tod);
}

void
show_itimerval(private_t *pri, long offset, const char *name)
{
        struct itimerval itimerval;

        if (offset == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &itimerval, sizeof (itimerval), offset)
                    != sizeof (itimerval))
                        return;
        } else {
                struct itimerval32 itimerval32;

                if (Pread(Proc, &itimerval32, sizeof (itimerval32), offset)
                    != sizeof (itimerval32))
                        return;

                ITIMERVAL32_TO_ITIMERVAL(&itimerval, &itimerval32);
        }

        (void) printf(
            "%s\t%s:  interval: %4ld.%6.6ld sec  value: %4ld.%6.6ld sec\n",
            pri->pname,
            name,
            itimerval.it_interval.tv_sec,
            itimerval.it_interval.tv_usec,
            itimerval.it_value.tv_sec,
            itimerval.it_value.tv_usec);
}

void
show_timeval(private_t *pri, long offset, const char *name)
{
        struct timeval timeval;

        if (offset == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &timeval, sizeof (timeval), offset)
                    != sizeof (timeval))
                        return;
        } else {
                struct timeval32 timeval32;

                if (Pread(Proc, &timeval32, sizeof (timeval32), offset)
                    != sizeof (timeval32))
                        return;

                TIMEVAL32_TO_TIMEVAL(&timeval, &timeval32);
        }

        (void) printf(
            "%s\t%s: %ld.%6.6ld sec\n",
            pri->pname,
            name,
            timeval.tv_sec,
            timeval.tv_usec);
}

void
show_timestruc(private_t *pri, long offset, const char *name)
{
        timestruc_t timestruc;

        if (offset == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &timestruc, sizeof (timestruc), offset)
                    != sizeof (timestruc))
                        return;
        } else {
                timestruc32_t timestruc32;

                if (Pread(Proc, &timestruc32, sizeof (timestruc32), offset)
                    != sizeof (timestruc32))
                        return;

                TIMESPEC32_TO_TIMESPEC(&timestruc, &timestruc32);
        }

        (void) printf(
            "%s\t%s: %ld.%9.9ld sec\n",
            pri->pname,
            name,
            timestruc.tv_sec,
            timestruc.tv_nsec);
}

void
show_stime(private_t *pri)
{
        if (pri->sys_nargs >= 1) {
                /* print new system time */
                prtime(pri, "systime = ", (time_t)pri->sys_args[0]);
        }
}

void
show_times(private_t *pri)
{
        long hz = sysconf(_SC_CLK_TCK);
        long offset;
        struct tms tms;

        if (pri->sys_nargs < 1 || (offset = pri->sys_args[0]) == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &tms, sizeof (tms), offset)
                    != sizeof (tms))
                        return;
        } else {
                struct tms32 tms32;

                if (Pread(Proc, &tms32, sizeof (tms32), offset)
                    != sizeof (tms32))
                        return;

                /*
                 * This looks a bit odd (since the values are actually
                 * signed), but we need to suppress sign extension to
                 * preserve compatibility (we've always printed these
                 * numbers as unsigned quantities).
                 */
                tms.tms_utime = (unsigned)tms32.tms_utime;
                tms.tms_stime = (unsigned)tms32.tms_stime;
                tms.tms_cutime = (unsigned)tms32.tms_cutime;
                tms.tms_cstime = (unsigned)tms32.tms_cstime;
        }

        (void) printf(
            "%s\tutim=%-6lu stim=%-6lu cutim=%-6lu cstim=%-6lu (HZ=%ld)\n",
            pri->pname,
            tms.tms_utime,
            tms.tms_stime,
            tms.tms_cutime,
            tms.tms_cstime,
            hz);
}

void
show_uname(private_t *pri, long offset)
{
        /*
         * Old utsname buffer (no longer accessible in <sys/utsname.h>).
         */
        struct {
                char    sysname[9];
                char    nodename[9];
                char    release[9];
                char    version[9];
                char    machine[9];
        } ubuf;

        if (offset != 0 &&
            Pread(Proc, &ubuf, sizeof (ubuf), offset) == sizeof (ubuf)) {
                (void) printf(
                    "%s\tsys=%-9.9snod=%-9.9srel=%-9.9sver=%-9.9smch=%.9s\n",
                    pri->pname,
                    ubuf.sysname,
                    ubuf.nodename,
                    ubuf.release,
                    ubuf.version,
                    ubuf.machine);
        }
}

/* XX64 -- definition of 'struct ustat' is strange -- check out the defn */
void
show_ustat(private_t *pri, long offset)
{
        struct ustat ubuf;

        if (offset != 0 &&
            Pread(Proc, &ubuf, sizeof (ubuf), offset) == sizeof (ubuf)) {
                (void) printf(
                    "%s\ttfree=%-6ld tinode=%-5lu fname=%-6.6s fpack=%-.6s\n",
                    pri->pname,
                    ubuf.f_tfree,
                    ubuf.f_tinode,
                    ubuf.f_fname,
                    ubuf.f_fpack);
        }
}

void
show_ustat32(private_t *pri, long offset)
{
        struct ustat32 ubuf;

        if (offset != 0 &&
            Pread(Proc, &ubuf, sizeof (ubuf), offset) == sizeof (ubuf)) {
                (void) printf(
                    "%s\ttfree=%-6d tinode=%-5u fname=%-6.6s fpack=%-.6s\n",
                    pri->pname,
                    ubuf.f_tfree,
                    ubuf.f_tinode,
                    ubuf.f_fname,
                    ubuf.f_fpack);
        }
}

void
show_fusers(private_t *pri, long offset, long nproc)
{
        f_user_t fubuf;
        int serial = (nproc > 4);

        if (offset == 0)
                return;

        /* enter region of lengthy output */
        if (serial)
                Eserialize();

        while (nproc > 0 &&
            Pread(Proc, &fubuf, sizeof (fubuf), offset) == sizeof (fubuf)) {
                (void) printf("%s\tpid=%-5d uid=%-5u flags=%s\n",
                    pri->pname,
                    (int)fubuf.fu_pid,
                    fubuf.fu_uid,
                    fuflags(pri, fubuf.fu_flags));
                nproc--;
                offset += sizeof (fubuf);
        }

        /* exit region of lengthy output */
        if (serial)
                Xserialize();
}

void
show_utssys(private_t *pri, long r0)
{
        if (pri->sys_nargs >= 3) {
                switch (pri->sys_args[2]) {
                case UTS_UNAME:
                        show_uname(pri, (long)pri->sys_args[0]);
                        break;
                case UTS_USTAT:
                        show_ustat(pri, (long)pri->sys_args[0]);
                        break;
                case UTS_FUSERS:
                        show_fusers(pri, (long)pri->sys_args[3], r0);
                        break;
                }
        }
}

void
show_utssys32(private_t *pri, long r0)
{
        if (pri->sys_nargs >= 3) {
                switch (pri->sys_args[2]) {
                case UTS_UNAME:
                        show_uname(pri, (long)pri->sys_args[0]);
                        break;
                case UTS_USTAT:
                        show_ustat32(pri, (long)pri->sys_args[0]);
                        break;
                case UTS_FUSERS:
                        show_fusers(pri, (long)pri->sys_args[3], r0);
                        break;
                }
        }
}

void
show_cladm(private_t *pri, int code, int function, long offset)
{
        int     arg;

        switch (code) {
        case CL_INITIALIZE:
                switch (function) {
                case CL_GET_BOOTFLAG:
                        if (Pread(Proc, &arg, sizeof (arg), offset)
                            == sizeof (arg)) {
                                if (arg & CLUSTER_CONFIGURED)
                                        (void) printf("%s\tbootflags="
                                            "CLUSTER_CONFIGURED", pri->pname);
                                if (arg & CLUSTER_BOOTED)
                                        (void) printf("|CLUSTER_BOOTED\n");
                        }
                        break;
                }
                break;
        case CL_CONFIG:
                switch (function) {
                case CL_NODEID:
                case CL_HIGHEST_NODEID:
                        if (Pread(Proc, &arg, sizeof (arg), offset)
                            == sizeof (arg))
                                (void) printf("%s\tnodeid=%d\n",
                                    pri->pname, arg);
                }
                break;
        }
}

#define ALL_LOCK_TYPES                                          \
        (USYNC_PROCESS | LOCK_ERRORCHECK | LOCK_RECURSIVE |     \
        LOCK_PRIO_INHERIT | LOCK_PRIO_PROTECT | LOCK_ROBUST |   \
        USYNC_PROCESS_ROBUST)

/* return cv and mutex types */
const char *
synch_type(private_t *pri, uint_t type)
{
        char *str = pri->code_buf;

        if (type & USYNC_PROCESS)
                (void) strcpy(str, "USYNC_PROCESS");
        else
                (void) strcpy(str, "USYNC_THREAD");

        if (type & LOCK_ERRORCHECK)
                (void) strcat(str, "|LOCK_ERRORCHECK");
        if (type & LOCK_RECURSIVE)
                (void) strcat(str, "|LOCK_RECURSIVE");
        if (type & LOCK_PRIO_INHERIT)
                (void) strcat(str, "|LOCK_PRIO_INHERIT");
        if (type & LOCK_PRIO_PROTECT)
                (void) strcat(str, "|LOCK_PRIO_PROTECT");
        if (type & LOCK_ROBUST)
                (void) strcat(str, "|LOCK_ROBUST");
        if (type & USYNC_PROCESS_ROBUST)
                (void) strcat(str, "|USYNC_PROCESS_ROBUST");

        if ((type &= ~ALL_LOCK_TYPES) != 0)
                (void) sprintf(str + strlen(str), "|0x%.4X", type);

        return ((const char *)str);
}

void
show_mutex(private_t *pri, long offset)
{
        lwp_mutex_t mutex;

        if (Pread(Proc, &mutex, sizeof (mutex), offset) == sizeof (mutex)) {
                (void) printf("%s\tmutex type: %s\n",
                    pri->pname,
                    synch_type(pri, mutex.mutex_type));
        }
}

void
show_condvar(private_t *pri, long offset)
{
        lwp_cond_t condvar;

        if (Pread(Proc, &condvar, sizeof (condvar), offset)
            == sizeof (condvar)) {
                (void) printf("%s\tcondvar type: %s\n",
                    pri->pname,
                    synch_type(pri, condvar.cond_type));
        }
}

void
show_sema(private_t *pri, long offset)
{
        lwp_sema_t sema;

        if (Pread(Proc, &sema, sizeof (sema), offset) == sizeof (sema)) {
                (void) printf("%s\tsema type: %s  count = %u\n",
                    pri->pname,
                    synch_type(pri, sema.sema_type),
                    sema.sema_count);
        }
}

void
show_rwlock(private_t *pri, long offset)
{
        lwp_rwlock_t rwlock;

        if (Pread(Proc, &rwlock, sizeof (rwlock), offset) == sizeof (rwlock)) {
                (void) printf("%s\trwlock type: %s  readers = %d\n",
                    pri->pname,
                    synch_type(pri, rwlock.rwlock_type),
                    rwlock.rwlock_readers);
        }
}

/* represent character as itself ('c') or octal (012) */
char *
show_char(char *buf, int c)
{
        const char *fmt;

        if (c >= ' ' && c < 0177)
                fmt = "'%c'";
        else
                fmt = "%.3o";

        (void) sprintf(buf, fmt, c&0xff);
        return (buf);
}

void
show_termio(private_t *pri, long offset)
{
        struct termio termio;
        char cbuf[8];
        int i;

        if (Pread(Proc, &termio, sizeof (termio), offset) == sizeof (termio)) {
                (void) printf(
                "%s\tiflag=0%.6o oflag=0%.6o cflag=0%.6o lflag=0%.6o line=%d\n",
                    pri->pname,
                    termio.c_iflag,
                    termio.c_oflag,
                    termio.c_cflag,
                    termio.c_lflag,
                    termio.c_line);
                (void) printf("%s\t    cc: ", pri->pname);
                for (i = 0; i < NCC; i++)
                        (void) printf(" %s",
                            show_char(cbuf, (int)termio.c_cc[i]));
                (void) fputc('\n', stdout);
        }
}

void
show_termios(private_t *pri, long offset)
{
        struct termios termios;
        char cbuf[8];
        int i;

        if (Pread(Proc, &termios, sizeof (termios), offset)
            == sizeof (termios)) {
                (void) printf(
                    "%s\tiflag=0%.6o oflag=0%.6o cflag=0%.6o lflag=0%.6o\n",
                    pri->pname,
                    termios.c_iflag,
                    termios.c_oflag,
                    termios.c_cflag,
                    termios.c_lflag);
                (void) printf("%s\t    cc: ", pri->pname);
                for (i = 0; i < NCCS; i++) {
                        if (i == NCC)   /* show new chars on new line */
                                (void) printf("\n%s\t\t", pri->pname);
                        (void) printf(" %s",
                            show_char(cbuf, (int)termios.c_cc[i]));
                }
                (void) fputc('\n', stdout);
        }
}

void
show_termiox(private_t *pri, long offset)
{
        struct termiox termiox;
        int i;

        if (Pread(Proc, &termiox, sizeof (termiox), offset)
            == sizeof (termiox)) {
                (void) printf("%s\thflag=0%.3o cflag=0%.3o rflag=0%.3o",
                    pri->pname,
                    termiox.x_hflag,
                    termiox.x_cflag,
                    termiox.x_rflag[0]);
                for (i = 1; i < NFF; i++)
                        (void) printf(",0%.3o", termiox.x_rflag[i]);
                (void) printf(" sflag=0%.3o\n",
                    termiox.x_sflag);
        }
}

void
show_sgttyb(private_t *pri, long offset)
{
        struct sgttyb sgttyb;

        if (Pread(Proc, &sgttyb, sizeof (sgttyb), offset) == sizeof (sgttyb)) {
                char erase[8];
                char kill[8];

                (void) printf(
                "%s\tispeed=%-2d ospeed=%-2d erase=%s kill=%s flags=0x%.8x\n",
                    pri->pname,
                    sgttyb.sg_ispeed&0xff,
                    sgttyb.sg_ospeed&0xff,
                    show_char(erase, sgttyb.sg_erase),
                    show_char(kill, sgttyb.sg_kill),
                    sgttyb.sg_flags);
        }
}

void
show_ltchars(private_t *pri, long offset)
{
        struct ltchars ltchars;
        char *p;
        char cbuf[8];
        int i;

        if (Pread(Proc, &ltchars, sizeof (ltchars), offset)
            == sizeof (ltchars)) {
                (void) printf("%s\t    cc: ", pri->pname);
                for (p = (char *)&ltchars, i = 0; i < sizeof (ltchars); i++)
                        (void) printf(" %s", show_char(cbuf, (int)*p++));
                (void) fputc('\n', stdout);
        }
}

void
show_tchars(private_t *pri, long offset)
{
        struct tchars tchars;
        char *p;
        char cbuf[8];
        int i;

        if (Pread(Proc, &tchars, sizeof (tchars), offset) == sizeof (tchars)) {
                (void) printf("%s\t    cc: ", pri->pname);
                for (p = (char *)&tchars, i = 0; i < sizeof (tchars); i++)
                        (void) printf(" %s", show_char(cbuf, (int)*p++));
                (void) fputc('\n', stdout);
        }
}

void
show_termcb(private_t *pri, long offset)
{
        struct termcb termcb;

        if (Pread(Proc, &termcb, sizeof (termcb), offset) == sizeof (termcb)) {
                (void) printf(
                    "%s\tflgs=0%.2o termt=%d crow=%d ccol=%d vrow=%d lrow=%d\n",
                    pri->pname,
                    termcb.st_flgs&0xff,
                    termcb.st_termt&0xff,
                    termcb.st_crow&0xff,
                    termcb.st_ccol&0xff,
                    termcb.st_vrow&0xff,
                    termcb.st_lrow&0xff);
        }
}

/* integer value pointed to by ioctl() arg */
void
show_strint(private_t *pri, int code, long offset)
{
        int val;

        if (Pread(Proc, &val, sizeof (val), offset) == sizeof (val)) {
                const char *s = NULL;

                switch (code) {         /* interpret these symbolically */
                case I_GRDOPT:
                        s = strrdopt(val);
                        break;
                case I_GETSIG:
                        s = strevents(pri, val);
                        break;
                case TIOCFLUSH:
                        s = tiocflush(pri, val);
                        break;
                }

                if (s == NULL)
                        (void) printf("%s\t0x%.8lX: %d\n",
                            pri->pname, offset, val);
                else
                        (void) printf("%s\t0x%.8lX: %s\n",
                            pri->pname, offset, s);
        }
}

void
show_strioctl(private_t *pri, long offset)
{
        struct strioctl strioctl;

        if (Pread(Proc, &strioctl, sizeof (strioctl), offset) ==
            sizeof (strioctl)) {
                (void) printf(
                    "%s\tcmd=%s timout=%d len=%d dp=0x%.8lX\n",
                    pri->pname,
                    ioctlname(pri, strioctl.ic_cmd),
                    strioctl.ic_timout,
                    strioctl.ic_len,
                    (long)strioctl.ic_dp);

                if (pri->recur++ == 0)  /* avoid indefinite recursion */
                        show_ioctl(pri, strioctl.ic_cmd,
                            (long)strioctl.ic_dp);
                --pri->recur;
        }
}

void
show_strioctl32(private_t *pri, long offset)
{
        struct strioctl32 strioctl;

        if (Pread(Proc, &strioctl, sizeof (strioctl), offset) ==
            sizeof (strioctl)) {
                (void) printf(
                    "%s\tcmd=%s timout=%d len=%d dp=0x%.8lX\n",
                    pri->pname,
                    ioctlname(pri, strioctl.ic_cmd),
                    strioctl.ic_timout,
                    strioctl.ic_len,
                    (long)strioctl.ic_dp);

                if (pri->recur++ == 0)  /* avoid indefinite recursion */
                        show_ioctl(pri, strioctl.ic_cmd,
                            (long)strioctl.ic_dp);
                --pri->recur;
        }
}

void
print_strbuf(private_t *pri, struct strbuf *sp, const char *name, int dump)
{
        (void) printf(
            "%s\t%s:  maxlen=%-4d len=%-4d buf=0x%.8lX",
            pri->pname,
            name,
            sp->maxlen,
            sp->len,
            (long)sp->buf);
        /*
         * Should we show the buffer contents?
         * Keyed to the '-r fds' and '-w fds' options?
         */
        if (sp->buf == NULL || sp->len <= 0)
                (void) fputc('\n', stdout);
        else {
                int nb = (sp->len > 8)? 8 : sp->len;
                char buffer[8];
                char obuf[40];

                if (Pread(Proc, buffer, (size_t)nb, (long)sp->buf) == nb) {
                        (void) strcpy(obuf, ": \"");
                        showbytes(buffer, nb, obuf+3);
                        (void) strcat(obuf,
                            (nb == sp->len)?
                            (const char *)"\"" : (const char *)"\"..");
                        (void) fputs(obuf, stdout);
                }
                (void) fputc('\n', stdout);
                if (dump && sp->len > 8)
                        showbuffer(pri, (long)sp->buf, (long)sp->len);
        }
}

void
print_strbuf32(private_t *pri, struct strbuf32 *sp, const char *name, int dump)
{
        (void) printf(
            "%s\t%s:  maxlen=%-4d len=%-4d buf=0x%.8lX",
            pri->pname,
            name,
            sp->maxlen,
            sp->len,
            (long)sp->buf);
        /*
         * Should we show the buffer contents?
         * Keyed to the '-r fds' and '-w fds' options?
         */
        if (sp->buf == 0 || sp->len <= 0)
                (void) fputc('\n', stdout);
        else {
                int nb = (sp->len > 8)? 8 : sp->len;
                char buffer[8];
                char obuf[40];

                if (Pread(Proc, buffer, (size_t)nb, (long)sp->buf) == nb) {
                        (void) strcpy(obuf, ": \"");
                        showbytes(buffer, nb, obuf+3);
                        (void) strcat(obuf,
                            (nb == sp->len)?
                            (const char *)"\"" : (const char *)"\"..");
                        (void) fputs(obuf, stdout);
                }
                (void) fputc('\n', stdout);
                if (dump && sp->len > 8)
                        showbuffer(pri, (long)sp->buf, (long)sp->len);
        }
}

/* strpeek and strfdinsert flags word */
const char *
strflags(private_t *pri, int flags)
{
        const char *s;

        switch (flags) {
        case 0:
                s = "0";
                break;
        case RS_HIPRI:
                s = "RS_HIPRI";
                break;
        default:
                (void) sprintf(pri->code_buf, "0x%.4X", flags);
                s = pri->code_buf;
        }

        return (s);
}

void
show_strpeek(private_t *pri, long offset)
{
        struct strpeek strpeek;

        if (Pread(Proc, &strpeek, sizeof (strpeek), offset)
            == sizeof (strpeek)) {

                print_strbuf(pri, &strpeek.ctlbuf, "ctl", FALSE);
                print_strbuf(pri, &strpeek.databuf, "dat", FALSE);

                (void) printf("%s\tflags=%s\n",
                    pri->pname,
                    strflags(pri, strpeek.flags));
        }
}

void
show_strpeek32(private_t *pri, long offset)
{
        struct strpeek32 strpeek;

        if (Pread(Proc, &strpeek, sizeof (strpeek), offset)
            == sizeof (strpeek)) {

                print_strbuf32(pri, &strpeek.ctlbuf, "ctl", FALSE);
                print_strbuf32(pri, &strpeek.databuf, "dat", FALSE);

                (void) printf("%s\tflags=%s\n",
                    pri->pname,
                    strflags(pri, strpeek.flags));
        }
}

void
show_strfdinsert(private_t *pri, long offset)
{
        struct strfdinsert strfdinsert;

        if (Pread(Proc, &strfdinsert, sizeof (strfdinsert), offset) ==
            sizeof (strfdinsert)) {

                print_strbuf(pri, &strfdinsert.ctlbuf, "ctl", FALSE);
                print_strbuf(pri, &strfdinsert.databuf, "dat", FALSE);

                (void) printf("%s\tflags=%s fildes=%d offset=%d\n",
                    pri->pname,
                    strflags(pri, strfdinsert.flags),
                    strfdinsert.fildes,
                    strfdinsert.offset);
        }
}

void
show_strfdinsert32(private_t *pri, long offset)
{
        struct strfdinsert32 strfdinsert;

        if (Pread(Proc, &strfdinsert, sizeof (strfdinsert), offset) ==
            sizeof (strfdinsert)) {

                print_strbuf32(pri, &strfdinsert.ctlbuf, "ctl", FALSE);
                print_strbuf32(pri, &strfdinsert.databuf, "dat", FALSE);

                (void) printf("%s\tflags=%s fildes=%d offset=%d\n",
                    pri->pname,
                    strflags(pri, strfdinsert.flags),
                    strfdinsert.fildes,
                    strfdinsert.offset);
        }
}

void
show_strrecvfd(private_t *pri, long offset)
{
        struct strrecvfd strrecvfd;

        if (Pread(Proc, &strrecvfd, sizeof (strrecvfd), offset) ==
            sizeof (strrecvfd)) {
                (void) printf(
                    "%s\tfd=%-5d uid=%-5u gid=%u\n",
                    pri->pname,
                    strrecvfd.fd,
                    strrecvfd.uid,
                    strrecvfd.gid);
        }
}

void
show_strlist(private_t *pri, long offset)
{
        struct str_list strlist;
        struct str_mlist list;
        int count;

        if (Pread(Proc, &strlist, sizeof (strlist), offset) ==
            sizeof (strlist)) {
                (void) printf("%s\tnmods=%d  modlist=0x%.8lX\n",
                    pri->pname,
                    strlist.sl_nmods,
                    (long)strlist.sl_modlist);

                count = strlist.sl_nmods;
                offset = (long)strlist.sl_modlist;
                while (!interrupt && --count >= 0) {
                        if (Pread(Proc, &list, sizeof (list), offset) !=
                            sizeof (list))
                                break;
                        (void) printf("%s\t\t\"%.*s\"\n",
                            pri->pname,
                            (int)sizeof (list.l_name),
                            list.l_name);
                        offset += sizeof (struct str_mlist);
                }
        }
}

void
show_strlist32(private_t *pri, long offset)
{
        struct str_list32 strlist;
        struct str_mlist list;
        int count;

        if (Pread(Proc, &strlist, sizeof (strlist), offset) ==
            sizeof (strlist)) {
                (void) printf("%s\tnmods=%d  modlist=0x%.8lX\n",
                    pri->pname,
                    strlist.sl_nmods,
                    (long)strlist.sl_modlist);

                count = strlist.sl_nmods;
                offset = (long)strlist.sl_modlist;
                while (!interrupt && --count >= 0) {
                        if (Pread(Proc, &list, sizeof (list), offset) !=
                            sizeof (list))
                                break;
                        (void) printf("%s\t\t\"%.*s\"\n",
                            pri->pname,
                            (int)sizeof (list.l_name),
                            list.l_name);
                        offset += sizeof (struct str_mlist);
                }
        }
}

void
show_jwinsize(private_t *pri, long offset)
{
        struct jwinsize jwinsize;

        if (Pread(Proc, &jwinsize, sizeof (jwinsize), offset) ==
            sizeof (jwinsize)) {
                (void) printf(
                    "%s\tbytesx=%-3u bytesy=%-3u bitsx=%-3u bitsy=%-3u\n",
                    pri->pname,
                    (unsigned)jwinsize.bytesx,
                    (unsigned)jwinsize.bytesy,
                    (unsigned)jwinsize.bitsx,
                    (unsigned)jwinsize.bitsy);
        }
}

void
show_winsize(private_t *pri, long offset)
{
        struct winsize winsize;

        if (Pread(Proc, &winsize, sizeof (winsize), offset)
            == sizeof (winsize)) {
                (void) printf(
                    "%s\trow=%-3d col=%-3d xpixel=%-3d ypixel=%-3d\n",
                    pri->pname,
                    winsize.ws_row,
                    winsize.ws_col,
                    winsize.ws_xpixel,
                    winsize.ws_ypixel);
        }
}

struct audio_stuff {
        uint_t  bit;
        const char *str;
};

const struct audio_stuff audio_output_ports[] = {
        { AUDIO_SPEAKER, "SPEAKER" },
        { AUDIO_HEADPHONE, "HEADPHONE" },
        { AUDIO_LINE_OUT, "LINE_OUT" },
        { AUDIO_SPDIF_OUT, "SPDIF_OUT" },
        { AUDIO_AUX1_OUT, "AUX1_OUT" },
        { AUDIO_AUX2_OUT, "AUX2_OUT" },
        { 0, NULL }
};

const struct audio_stuff audio_input_ports[] = {
        { AUDIO_MICROPHONE, "MICROPHONE" },
        { AUDIO_LINE_IN, "LINE_IN" },
        { AUDIO_CD, "CD" },
        { AUDIO_SPDIF_IN, "SPDIF_IN" },
        { AUDIO_AUX1_IN, "AUX1_IN" },
        { AUDIO_AUX2_IN, "AUX2_IN" },
        { AUDIO_CODEC_LOOPB_IN, "CODEC_LOOPB_IN" },
        { AUDIO_SUNVTS, "SUNVTS" },
        { 0, NULL }
};

static const struct audio_stuff audio_hw_features[] = {
        { AUDIO_HWFEATURE_DUPLEX, "DUPLEX" },
        { AUDIO_HWFEATURE_MSCODEC, "MSCODEC" },
        { AUDIO_HWFEATURE_IN2OUT, "IN2OUT" },
        { AUDIO_HWFEATURE_PLAY, "PLAY" },
        { AUDIO_HWFEATURE_RECORD, "RECORD" },
        { 0, NULL }
};

static const struct audio_stuff audio_sw_features[] = {
        { AUDIO_SWFEATURE_MIXER, "MIXER" },
        { 0, NULL }
};

void
show_audio_features(const private_t *pri,
    const struct audio_stuff *audio_porttab, uint_t features,
    const char *name)
{
        (void) printf("%s\t%s=", pri->pname, name);
        if (features == 0) {
                (void) printf("0\n");
                return;
        }

        for (; audio_porttab->bit != 0; ++audio_porttab) {
                if (features & audio_porttab->bit) {
                        (void) printf(audio_porttab->str);
                        features &= ~audio_porttab->bit;
                        if (features)
                                (void) putchar('|');
                }
        }
        if (features)
                (void) printf("0x%x", features);
        (void) putchar('\n');
}

void
show_audio_ports(private_t *pri, const char *mode,
    const char *field, uint_t ports)
{
        const struct audio_stuff *audio_porttab;

        (void) printf("%s\t%s\t%s=", pri->pname, mode, field);
        if (ports == 0) {
                (void) printf("0\n");
                return;
        }
        if (*mode == 'p')
                audio_porttab = audio_output_ports;
        else
                audio_porttab = audio_input_ports;
        for (; audio_porttab->bit != 0; ++audio_porttab) {
                if (ports & audio_porttab->bit) {
                        (void) printf(audio_porttab->str);
                        ports &= ~audio_porttab->bit;
                        if (ports)
                                (void) putchar('|');
                }
        }
        if (ports)
                (void) printf("0x%x", ports);
        (void) putchar('\n');
}

void
show_audio_prinfo(private_t *pri, const char *mode, struct audio_prinfo *au_pr)
{
        const char *s;

        /*
         * The following values describe the audio data encoding.
         */

        (void) printf("%s\t%s\tsample_rate=%u channels=%u precision=%u\n",
            pri->pname, mode,
            au_pr->sample_rate,
            au_pr->channels,
            au_pr->precision);

        s = NULL;
        switch (au_pr->encoding) {
        case AUDIO_ENCODING_NONE:       s = "NONE";     break;
        case AUDIO_ENCODING_ULAW:       s = "ULAW";     break;
        case AUDIO_ENCODING_ALAW:       s = "ALAW";     break;
        case AUDIO_ENCODING_LINEAR:     s = "LINEAR";   break;
        case AUDIO_ENCODING_DVI:        s = "DVI";      break;
        case AUDIO_ENCODING_LINEAR8:    s = "LINEAR8";  break;
        }
        if (s)
                (void) printf("%s\t%s\tencoding=%s\n", pri->pname, mode, s);
        else {
                (void) printf("%s\t%s\tencoding=%u\n",
                    pri->pname, mode, au_pr->encoding);
        }

        /*
         * The following values control audio device configuration
         */

        (void) printf(
            "%s\t%s\tgain=%u buffer_size=%u\n",
            pri->pname, mode,
            au_pr->gain,
            au_pr->buffer_size);
        show_audio_ports(pri, mode, "port", au_pr->port);
        show_audio_ports(pri, mode, "avail_ports", au_pr->avail_ports);
        show_audio_ports(pri, mode, "mod_ports", au_pr->mod_ports);

        /*
         * The following values describe driver state
         */

        (void) printf("%s\t%s\tsamples=%u eof=%u pause=%u error=%u\n",
            pri->pname, mode,
            au_pr->samples,
            au_pr->eof,
            au_pr->pause,
            au_pr->error);
        (void) printf("%s\t%s\twaiting=%u balance=%u minordev=%u\n",
            pri->pname, mode,
            au_pr->waiting,
            au_pr->balance,
            au_pr->minordev);

        /*
         * The following values are read-only state flags
         */
        (void) printf("%s\t%s\topen=%u active=%u\n",
            pri->pname, mode,
            au_pr->open,
            au_pr->active);
}

void
show_audio_info(private_t *pri, long offset)
{
        struct audio_info au;

        if (Pread(Proc, &au, sizeof (au), offset) == sizeof (au)) {
                show_audio_prinfo(pri, "play", &au.play);
                show_audio_prinfo(pri, "record", &au.record);
                (void) printf("%s\tmonitor_gain=%u output_muted=%u\n",
                    pri->pname, au.monitor_gain, au.output_muted);
                show_audio_features(pri, audio_hw_features, au.hw_features,
                    "hw_features");
                show_audio_features(pri, audio_sw_features, au.sw_features,
                    "sw_features");
                show_audio_features(pri, audio_sw_features,
                    au.sw_features_enabled, "sw_features_enabled");
        }
}

void
show_ioctl(private_t *pri, int code, long offset)
{
        int lp64 = (data_model == PR_MODEL_LP64);
        int err = pri->Errno;   /* don't display output parameters */
                                /* for a failed system call */
        if (offset == 0)
                return;

        switch (code) {
        case TCGETA:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TCSETA:
        case TCSETAW:
        case TCSETAF:
                show_termio(pri, offset);
                break;
        case TCGETS:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TCSETS:
        case TCSETSW:
        case TCSETSF:
                show_termios(pri, offset);
                break;
        case TCGETX:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TCSETX:
        case TCSETXW:
        case TCSETXF:
                show_termiox(pri, offset);
                break;
        case TIOCGETP:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TIOCSETN:
        case TIOCSETP:
                show_sgttyb(pri, offset);
                break;
        case TIOCGLTC:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TIOCSLTC:
                show_ltchars(pri, offset);
                break;
        case TIOCGETC:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TIOCSETC:
                show_tchars(pri, offset);
                break;
        case LDGETT:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case LDSETT:
                show_termcb(pri, offset);
                break;
        /* streams ioctl()s */
#if 0
                /* these are displayed as strings in the arg list */
                /* by prt_ioa().  don't display them again here */
        case I_PUSH:
        case I_LOOK:
        case I_FIND:
                /* these are displayed as decimal in the arg list */
                /* by prt_ioa().  don't display them again here */
        case I_LINK:
        case I_UNLINK:
        case I_SENDFD:
                /* these are displayed symbolically in the arg list */
                /* by prt_ioa().  don't display them again here */
        case I_SRDOPT:
        case I_SETSIG:
        case I_FLUSH:
                break;
                /* this one just ignores the argument */
        case I_POP:
                break;
#endif
                /* these return something in an int pointed to by arg */
        case I_NREAD:
        case I_GRDOPT:
        case I_GETSIG:
        case TIOCGSID:
        case TIOCGPGRP:
        case TIOCLGET:
        case FIONREAD:
        case FIORDCHK:
                if (err)
                        break;
                /*FALLTHROUGH*/
                /* these pass something in an int pointed to by arg */
        case TIOCSPGRP:
        case TIOCFLUSH:
        case TIOCLBIS:
        case TIOCLBIC:
        case TIOCLSET:
                show_strint(pri, code, offset);
                break;
                /* these all point to structures */
        case I_STR:
                if (lp64)
                        show_strioctl(pri, offset);
                else
                        show_strioctl32(pri, offset);
                break;
        case I_PEEK:
                if (lp64)
                        show_strpeek(pri, offset);
                else
                        show_strpeek32(pri, offset);
                break;
        case I_FDINSERT:
                if (lp64)
                        show_strfdinsert(pri, offset);
                else
                        show_strfdinsert32(pri, offset);
                break;
        case I_RECVFD:
                if (err)
                        break;
                show_strrecvfd(pri, offset);
                break;
        case I_LIST:
                if (err)
                        break;
                if (lp64)
                        show_strlist(pri, offset);
                else
                        show_strlist32(pri, offset);
                break;
        case JWINSIZE:
                if (err)
                        break;
                show_jwinsize(pri, offset);
                break;
        case TIOCGWINSZ:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case TIOCSWINSZ:
                show_winsize(pri, offset);
                break;
        case AUDIO_GETINFO:
        case (int)AUDIO_SETINFO:
                show_audio_info(pri, offset);
                break;

        default:
                if ((code & ~0xff) == ZFS_IOC) {
                        show_zfs_ioc(pri, offset);
                        break;
                }

                if (code & IOC_INOUT) {
                        const char *str = ioctldatastruct(code);

                        (void) printf("\t\t%s",
                            (code & IOC_INOUT) == IOC_INOUT ? "write/read" :
                            code & IOC_IN ? "write" : "read");
                        if (str != NULL) {
                                (void) printf(" (struct %s)\n", str);
                        } else {
                                (void) printf(" %d bytes\n",
                                    (code >> 16) & IOCPARM_MASK);
                        }
                }
        }
}

void
show_statvfs(private_t *pri)
{
        long offset;
        struct statvfs statvfs;
        char *cp;

        if (pri->sys_nargs > 1 && (offset = pri->sys_args[1]) != 0 &&
            Pread(Proc, &statvfs, sizeof (statvfs), offset)
            == sizeof (statvfs)) {
                (void) printf(
                "%s\tbsize=%-10lu frsize=%-9lu blocks=%-8llu bfree=%-9llu\n",
                    pri->pname,
                    statvfs.f_bsize,
                    statvfs.f_frsize,
                    (u_longlong_t)statvfs.f_blocks,
                    (u_longlong_t)statvfs.f_bfree);
                (void) printf(
                "%s\tbavail=%-9llu files=%-10llu ffree=%-9llu favail=%-9llu\n",
                    pri->pname,
                    (u_longlong_t)statvfs.f_bavail,
                    (u_longlong_t)statvfs.f_files,
                    (u_longlong_t)statvfs.f_ffree,
                    (u_longlong_t)statvfs.f_favail);
                (void) printf(
                    "%s\tfsid=0x%-9.4lX basetype=%-7.16s namemax=%ld\n",
                    pri->pname,
                    statvfs.f_fsid,
                    statvfs.f_basetype,
                    (long)statvfs.f_namemax);
                (void) printf(
                    "%s\tflag=%s\n",
                    pri->pname,
                    svfsflags(pri, (ulong_t)statvfs.f_flag));
                cp = statvfs.f_fstr + strlen(statvfs.f_fstr);
                if (cp < statvfs.f_fstr + sizeof (statvfs.f_fstr) - 1 &&
                    *(cp+1) != '\0')
                        *cp = ' ';
                (void) printf("%s\tfstr=\"%.*s\"\n",
                    pri->pname,
                    (int)sizeof (statvfs.f_fstr),
                    statvfs.f_fstr);
        }
}

void
show_statvfs32(private_t *pri)
{
        long offset;
        struct statvfs32 statvfs;
        char *cp;

        if (pri->sys_nargs > 1 && (offset = pri->sys_args[1]) != 0 &&
            Pread(Proc, &statvfs, sizeof (statvfs), offset)
            == sizeof (statvfs)) {
                (void) printf(
                    "%s\tbsize=%-10u frsize=%-9u blocks=%-8u bfree=%-9u\n",
                    pri->pname,
                    statvfs.f_bsize,
                    statvfs.f_frsize,
                    statvfs.f_blocks,
                    statvfs.f_bfree);
                (void) printf(
                    "%s\tbavail=%-9u files=%-10u ffree=%-9u favail=%-9u\n",
                    pri->pname,
                    statvfs.f_bavail,
                    statvfs.f_files,
                    statvfs.f_ffree,
                    statvfs.f_favail);
                (void) printf(
                    "%s\tfsid=0x%-9.4X basetype=%-7.16s namemax=%d\n",
                    pri->pname,
                    statvfs.f_fsid,
                    statvfs.f_basetype,
                    (int)statvfs.f_namemax);
                (void) printf(
                    "%s\tflag=%s\n",
                    pri->pname,
                    svfsflags(pri, (ulong_t)statvfs.f_flag));
                cp = statvfs.f_fstr + strlen(statvfs.f_fstr);
                if (cp < statvfs.f_fstr + sizeof (statvfs.f_fstr) - 1 &&
                    *(cp+1) != '\0')
                        *cp = ' ';
                (void) printf("%s\tfstr=\"%.*s\"\n",
                    pri->pname,
                    (int)sizeof (statvfs.f_fstr),
                    statvfs.f_fstr);
        }
}

void
show_statvfs64(private_t *pri)
{
        long offset;
        struct statvfs64_32 statvfs;
        char *cp;

        if (pri->sys_nargs > 1 && (offset = pri->sys_args[1]) != 0 &&
            Pread(Proc, &statvfs, sizeof (statvfs), offset)
            == sizeof (statvfs)) {
                (void) printf(
                    "%s\tbsize=%-10u frsize=%-9u blocks=%-8llu bfree=%-9llu\n",
                    pri->pname,
                    statvfs.f_bsize,
                    statvfs.f_frsize,
                    (u_longlong_t)statvfs.f_blocks,
                    (u_longlong_t)statvfs.f_bfree);
                (void) printf(
                "%s\tbavail=%-9llu files=%-10llu ffree=%-9llu favail=%-9llu\n",
                    pri->pname,
                    (u_longlong_t)statvfs.f_bavail,
                    (u_longlong_t)statvfs.f_files,
                    (u_longlong_t)statvfs.f_ffree,
                    (u_longlong_t)statvfs.f_favail);
                (void) printf(
                    "%s\tfsid=0x%-9.4X basetype=%-7.16s namemax=%d\n",
                    pri->pname,
                    statvfs.f_fsid,
                    statvfs.f_basetype,
                    (int)statvfs.f_namemax);
                (void) printf(
                    "%s\tflag=%s\n",
                    pri->pname,
                    svfsflags(pri, (ulong_t)statvfs.f_flag));
                cp = statvfs.f_fstr + strlen(statvfs.f_fstr);
                if (cp < statvfs.f_fstr + sizeof (statvfs.f_fstr) - 1 &&
                    *(cp+1) != '\0')
                        *cp = ' ';
                (void) printf("%s\tfstr=\"%.*s\"\n",
                    pri->pname,
                    (int)sizeof (statvfs.f_fstr),
                    statvfs.f_fstr);
        }
}

void
show_statfs(private_t *pri)
{
        long offset;
        struct statfs statfs;

        if (pri->sys_nargs >= 2 && (offset = pri->sys_args[1]) != 0 &&
            Pread(Proc, &statfs, sizeof (statfs), offset) == sizeof (statfs)) {
                (void) printf(
                "%s\tfty=%d bsz=%ld fsz=%ld blk=%ld bfr=%ld fil=%lu ffr=%lu\n",
                    pri->pname,
                    statfs.f_fstyp,
                    statfs.f_bsize,
                    statfs.f_frsize,
                    statfs.f_blocks,
                    statfs.f_bfree,
                    statfs.f_files,
                    statfs.f_ffree);
                (void) printf("%s\t    fname=%.6s fpack=%.6s\n",
                    pri->pname,
                    statfs.f_fname,
                    statfs.f_fpack);
        }
}

void
show_statfs32(private_t *pri)
{
        long offset;
        struct statfs32 statfs;

        if (pri->sys_nargs >= 2 && (offset = pri->sys_args[1]) != 0 &&
            Pread(Proc, &statfs, sizeof (statfs), offset) == sizeof (statfs)) {
                (void) printf(
                    "%s\tfty=%d bsz=%d fsz=%d blk=%d bfr=%d fil=%u ffr=%u\n",
                    pri->pname,
                    statfs.f_fstyp,
                    statfs.f_bsize,
                    statfs.f_frsize,
                    statfs.f_blocks,
                    statfs.f_bfree,
                    statfs.f_files,
                    statfs.f_ffree);
                (void) printf("%s\t    fname=%.6s fpack=%.6s\n",
                    pri->pname,
                    statfs.f_fname,
                    statfs.f_fpack);
        }
}

void
show_flock32(private_t *pri, long offset)
{
        struct flock32 flock;

        if (Pread(Proc, &flock, sizeof (flock), offset) == sizeof (flock)) {
                const char *str = NULL;

                (void) printf("%s\ttyp=", pri->pname);

                switch (flock.l_type) {
                case F_RDLCK:
                        str = "F_RDLCK";
                        break;
                case F_WRLCK:
                        str = "F_WRLCK";
                        break;
                case F_UNLCK:
                        str = "F_UNLCK";
                        break;
                }
                if (str != NULL)
                        (void) printf("%s", str);
                else
                        (void) printf("%-7d", flock.l_type);

                str = whencearg(flock.l_whence);
                if (str != NULL)
                        (void) printf("  whence=%s", str);
                else
                        (void) printf("  whence=%-8u", flock.l_whence);

                (void) printf(
                    " start=%-5d len=%-5d sys=%-2u pid=%d\n",
                    flock.l_start,
                    flock.l_len,
                    flock.l_sysid,
                    flock.l_pid);
        }
}

void
show_flock64(private_t *pri, long offset)
{
        struct flock64 flock;

        if (Pread(Proc, &flock, sizeof (flock), offset) == sizeof (flock)) {
                const char *str = NULL;

                (void) printf("%s\ttyp=", pri->pname);

                switch (flock.l_type) {
                case F_RDLCK:
                        str = "F_RDLCK";
                        break;
                case F_WRLCK:
                        str = "F_WRLCK";
                        break;
                case F_UNLCK:
                        str = "F_UNLCK";
                        break;
                }
                if (str != NULL)
                        (void) printf("%s", str);
                else
                        (void) printf("%-7d", flock.l_type);

                str = whencearg(flock.l_whence);
                if (str != NULL)
                        (void) printf("  whence=%s", str);
                else
                        (void) printf("  whence=%-8u", flock.l_whence);

                (void) printf(
                    " start=%-5lld len=%-5lld sys=%-2u pid=%d\n",
                    (long long)flock.l_start,
                    (long long)flock.l_len,
                    flock.l_sysid,
                    (int)flock.l_pid);
        }
}

void
show_share(private_t *pri, long offset)
{
        struct fshare fshare;

        if (Pread(Proc, &fshare, sizeof (fshare), offset) == sizeof (fshare)) {
                const char *str = NULL;
                int manddny = 0;

                (void) printf("%s\taccess=", pri->pname);

                switch (fshare.f_access) {
                case F_RDACC:
                        str = "F_RDACC";
                        break;
                case F_WRACC:
                        str = "F_WRACC";
                        break;
                case F_RWACC:
                        str = "F_RWACC";
                        break;
                }
                if (str != NULL)
                        (void) printf("%s", str);
                else
                        (void) printf("%-7d", fshare.f_access);

                str = NULL;
                if (fshare.f_deny & F_MANDDNY) {
                        fshare.f_deny &= ~F_MANDDNY;
                        manddny = 1;
                }
                switch (fshare.f_deny) {
                case F_NODNY:
                        str = "F_NODNY";
                        break;
                case F_RDDNY:
                        str = "F_RDDNY";
                        break;
                case F_WRDNY:
                        str = "F_WRDNY";
                        break;
                case F_RWDNY:
                        str = "F_RWDNY";
                        break;
                case F_COMPAT:
                        str = "F_COMPAT";
                        break;
                }
                if (str != NULL) {
                        if (manddny)
                                (void) printf("  deny=F_MANDDNY|%s", str);
                        else
                                (void) printf("  deny=%s", str);
                } else {
                        (void) printf("  deny=0x%x", manddny?
                            fshare.f_deny | F_MANDDNY : fshare.f_deny);
                }

                (void) printf("  id=%x\n", fshare.f_id);
        }
}

void
show_ffg(private_t *pri)
{
        (void) putchar('\t');
        (void) putchar('\t');
        prt_ffg(pri, 0, pri->Rval1);
        (void) puts(pri->sys_string);
}

void
show_ffd(private_t *pri)
{
        (void) putchar('\t');
        (void) putchar('\t');
        prt_ffd(pri, 0, pri->Rval1);
        (void) puts(pri->sys_string);
}

/* print values in fcntl() pointed-to structure */
void
show_fcntl(private_t *pri)
{
        long offset;

        if (pri->sys_nargs >= 2 && pri->sys_args[1] == F_GETFL) {
                show_ffg(pri);
                return;
        }

        if (pri->sys_nargs >= 2 && pri->sys_args[1] == F_GETFD) {
                show_ffd(pri);
                return;
        }

        if (pri->sys_nargs < 3 || (offset = pri->sys_args[2]) == 0)
                return;

        switch (pri->sys_args[1]) {
        case F_GETLK:
        case F_SETLK:
        case F_SETLKW:
        case F_FREESP:
        case F_ALLOCSP:
        case F_SETLK_NBMAND:
        case F_OFD_GETLK:
        case F_OFD_SETLK:
        case F_OFD_SETLKW:
        case F_FLOCK:
        case F_FLOCKW:
                if (data_model == PR_MODEL_LP64)
                        show_flock64(pri, offset);
                else
                        show_flock32(pri, offset);
                break;
        case 33:        /* F_GETLK64 */
        case 34:        /* F_SETLK64 */
        case 35:        /* F_SETLKW64 */
        case 27:        /* F_FREESP64 */
        case 28:        /* F_ALLOCSP64 */
        case 44:        /* F_SETLK64_NBMAND */
        case 50:        /* F_OFD_GETLK64 */
        case 51:        /* F_OFD_SETLK64 */
        case 52:        /* F_OFD_SETLKW64 */
        case 55:        /* F_FLOCK64 */
        case 56:        /* F_FLOCKW64 */
                show_flock64(pri, offset);
                break;
        case F_SHARE:
        case F_UNSHARE:
                show_share(pri, offset);
                break;
        }
}

void
show_strbuf(private_t *pri, long offset, const char *name, int dump)
{
        struct strbuf strbuf;

        if (Pread(Proc, &strbuf, sizeof (strbuf), offset) == sizeof (strbuf))
                print_strbuf(pri, &strbuf, name, dump);
}

void
show_strbuf32(private_t *pri, long offset, const char *name, int dump)
{
        struct strbuf32 strbuf;

        if (Pread(Proc, &strbuf, sizeof (strbuf), offset) == sizeof (strbuf))
                print_strbuf32(pri, &strbuf, name, dump);
}

void
show_gp_msg(private_t *pri, int what)
{
        long offset;
        int dump = FALSE;
        int fdp1 = pri->sys_args[0] + 1;

        switch (what) {
        case SYS_getmsg:
        case SYS_getpmsg:
                if (pri->Errno == 0 && prismember(&readfd, fdp1))
                        dump = TRUE;
                break;
        case SYS_putmsg:
        case SYS_putpmsg:
                if (prismember(&writefd, fdp1))
                        dump = TRUE;
                break;
        }

        /* enter region of lengthy output */
        if (dump)
                Eserialize();

        if (pri->sys_nargs >= 2 && (offset = pri->sys_args[1]) != 0) {
                if (data_model == PR_MODEL_LP64)
                        show_strbuf(pri, offset, "ctl", dump);
                else
                        show_strbuf32(pri, offset, "ctl", dump);
        }
        if (pri->sys_nargs >= 3 && (offset = pri->sys_args[2]) != 0) {
                if (data_model == PR_MODEL_LP64)
                        show_strbuf(pri, offset, "dat", dump);
                else
                        show_strbuf32(pri, offset, "dat", dump);
        }

        /* exit region of lengthy output */
        if (dump)
                Xserialize();
}

void
show_int(private_t *pri, long offset, const char *name)
{
        int value;

        if (offset != 0 &&
            Pread(Proc, &value, sizeof (value), offset) == sizeof (value))
                (void) printf("%s\t%s:\t%d\n",
                    pri->pname,
                    name,
                    value);
}

void
show_hhex_int(private_t *pri, long offset, const char *name)
{
        int value;

        if (Pread(Proc, &value, sizeof (value), offset) == sizeof (value))
                (void) printf("%s\t%s:\t0x%.4X\n",
                    pri->pname,
                    name,
                    value);
}

#define ALL_POLL_FLAGS  (POLLIN|POLLPRI|POLLOUT| \
        POLLRDNORM|POLLRDBAND|POLLWRBAND|POLLERR|POLLHUP|POLLNVAL)

const char *
pollevent(private_t *pri, int arg)
{
        char *str = pri->code_buf;

        if (arg == 0)
                return ("0");
        if (arg & ~ALL_POLL_FLAGS) {
                (void) sprintf(str, "0x%-5X", arg);
                return ((const char *)str);
        }

        *str = '\0';
        if (arg & POLLIN)
                (void) strcat(str, "|POLLIN");
        if (arg & POLLPRI)
                (void) strcat(str, "|POLLPRI");
        if (arg & POLLOUT)
                (void) strcat(str, "|POLLOUT");
        if (arg & POLLRDNORM)
                (void) strcat(str, "|POLLRDNORM");
        if (arg & POLLRDBAND)
                (void) strcat(str, "|POLLRDBAND");
        if (arg & POLLWRBAND)
                (void) strcat(str, "|POLLWRBAND");
        if (arg & POLLERR)
                (void) strcat(str, "|POLLERR");
        if (arg & POLLHUP)
                (void) strcat(str, "|POLLHUP");
        if (arg & POLLNVAL)
                (void) strcat(str, "|POLLNVAL");

        return ((const char *)(str+1));
}

static void
show_one_pollfd(private_t *pri, struct pollfd *ppollfd)
{
        /*
         * can't print both events and revents in same printf.
         * pollevent() returns a pointer to a TSD location.
         */
        (void) printf("%s\tfd=%-2d ev=%s",
            pri->pname, ppollfd->fd, pollevent(pri, ppollfd->events));
        (void) printf(" rev=%s\n", pollevent(pri, ppollfd->revents));
}

static void
show_all_pollfds(private_t *pri, long offset, int nfds)
{
        struct pollfd pollfd[2];
        int skip = -1;

        for (; nfds && !interrupt; nfds--, offset += sizeof (struct pollfd)) {
                if (Pread(Proc, &pollfd[0], sizeof (struct pollfd), offset) !=
                    sizeof (struct pollfd))
                        continue;

                if (skip >= 0 && pollfd[0].fd == pollfd[1].fd &&
                    pollfd[0].events == pollfd[1].events &&
                    pollfd[0].revents == pollfd[1].revents) {
                        skip++;
                        continue;
                }

                if (skip > 0)
                        (void) printf("%s\t...last pollfd structure"
                            " repeated %d time%s...\n",
                            pri->pname, skip, (skip == 1 ? "" : "s"));

                skip = 0;
                show_one_pollfd(pri, &pollfd[0]);
                pollfd[1] = pollfd[0];
        }

        if (skip > 0)
                (void) printf(
                    "%s\t...last pollfd structure repeated %d time%s...\n",
                    pri->pname, skip, (skip == 1 ? "" : "s"));
}

void
show_pollsys(private_t *pri)
{
        long offset;
        int nfds;
        int serial = 0;

        if (pri->sys_nargs < 2)
                return;

        offset = pri->sys_args[0];
        nfds = pri->sys_args[1];

        /* enter region of lengthy output */
        if (offset != 0 && nfds > 32) {
                Eserialize();
                serial = 1;
        }

        if (offset != 0 && nfds > 0)
                show_all_pollfds(pri, offset, nfds);

        if (pri->sys_nargs > 2)
                show_timestruc(pri, (long)pri->sys_args[2], "timeout");

        if (pri->sys_nargs > 3)
                show_sigset(pri, (long)pri->sys_args[3], "sigmask");

        /* exit region of lengthy output */
        if (serial)
                Xserialize();
}

static void
show_perm64(private_t *pri, struct ipc_perm64 *ip)
{
        (void) printf("%s\tu=%-5u g=%-5u cu=%-5u cg=%-5u z=%-5d "
            "m=0%.6o key=%d projid=%-5d\n",
            pri->pname,
            ip->ipcx_uid,
            ip->ipcx_gid,
            ip->ipcx_cuid,
            ip->ipcx_cgid,
            (int)ip->ipcx_zoneid,
            (unsigned int)ip->ipcx_mode,
            ip->ipcx_key,
            (int)ip->ipcx_projid);
}

void
show_perm(private_t *pri, struct ipc_perm *ip)
{
        (void) printf(
            "%s\tu=%-5u g=%-5u cu=%-5u cg=%-5u m=0%.6o seq=%u key=%d\n",
            pri->pname,
            ip->uid,
            ip->gid,
            ip->cuid,
            ip->cgid,
            (int)ip->mode,
            ip->seq,
            ip->key);
}

void
show_perm32(private_t *pri, struct ipc_perm32 *ip)
{
        (void) printf(
            "%s\tu=%-5u g=%-5u cu=%-5u cg=%-5u m=0%.6o seq=%u key=%d\n",
            pri->pname,
            ip->uid,
            ip->gid,
            ip->cuid,
            ip->cgid,
            ip->mode,
            ip->seq,
            ip->key);
}

static void
show_msgctl64(private_t *pri, long offset)
{
        struct msqid_ds64 msgq;

        if (offset != 0 &&
            Pread(Proc, &msgq, sizeof (msgq), offset) == sizeof (msgq)) {
                show_perm64(pri, &msgq.msgx_perm);

                (void) printf("%s\tbytes=%-5llu msgs=%-5llu maxby=%-5llu "
                    "lspid=%-5d lrpid=%-5d\n", pri->pname,
                    (unsigned long long)msgq.msgx_cbytes,
                    (unsigned long long)msgq.msgx_qnum,
                    (unsigned long long)msgq.msgx_qbytes,
                    (int)msgq.msgx_lspid,
                    (int)msgq.msgx_lrpid);

                prtime(pri, "    st = ", (time_t)msgq.msgx_stime);
                prtime(pri, "    rt = ", (time_t)msgq.msgx_rtime);
                prtime(pri, "    ct = ", (time_t)msgq.msgx_ctime);
        }
}

void
show_msgctl(private_t *pri, long offset)
{
        struct msqid_ds msgq;

        if (offset != 0 &&
            Pread(Proc, &msgq, sizeof (msgq), offset) == sizeof (msgq)) {
                show_perm(pri, &msgq.msg_perm);

                (void) printf(
        "%s\tbytes=%-5lu msgs=%-5lu maxby=%-5lu lspid=%-5u lrpid=%-5u\n",
                    pri->pname,
                    msgq.msg_cbytes,
                    msgq.msg_qnum,
                    msgq.msg_qbytes,
                    (int)msgq.msg_lspid,
                    (int)msgq.msg_lrpid);

                prtime(pri, "    st = ", msgq.msg_stime);
                prtime(pri, "    rt = ", msgq.msg_rtime);
                prtime(pri, "    ct = ", msgq.msg_ctime);
        }
}

void
show_msgctl32(private_t *pri, long offset)
{
        struct msqid_ds32 msgq;

        if (offset != 0 &&
            Pread(Proc, &msgq, sizeof (msgq), offset) == sizeof (msgq)) {
                show_perm32(pri, &msgq.msg_perm);

                (void) printf(
        "%s\tbytes=%-5u msgs=%-5u maxby=%-5u lspid=%-5u lrpid=%-5u\n",
                    pri->pname,
                    msgq.msg_cbytes,
                    msgq.msg_qnum,
                    msgq.msg_qbytes,
                    msgq.msg_lspid,
                    msgq.msg_lrpid);

                prtime(pri, "    st = ", msgq.msg_stime);
                prtime(pri, "    rt = ", msgq.msg_rtime);
                prtime(pri, "    ct = ", msgq.msg_ctime);
        }
}

void
show_msgbuf(private_t *pri, long offset, long msgsz)
{
        struct msgbuf msgb;

        if (offset != 0 &&
            Pread(Proc, &msgb, sizeof (msgb.mtype), offset) ==
            sizeof (msgb.mtype)) {
                /* enter region of lengthy output */
                if (msgsz > MYBUFSIZ / 4)
                        Eserialize();

                (void) printf("%s\tmtype=%lu  mtext[]=\n",
                    pri->pname,
                    msgb.mtype);
                showbuffer(pri,
                    (long)(offset + sizeof (msgb.mtype)), msgsz);

                /* exit region of lengthy output */
                if (msgsz > MYBUFSIZ / 4)
                        Xserialize();
        }
}

void
show_msgbuf32(private_t *pri, long offset, long msgsz)
{
        struct ipcmsgbuf32 msgb;

        if (offset != 0 &&
            Pread(Proc, &msgb, sizeof (msgb.mtype), offset) ==
            sizeof (msgb.mtype)) {
                /* enter region of lengthy output */
                if (msgsz > MYBUFSIZ / 4)
                        Eserialize();

                (void) printf("%s\tmtype=%u  mtext[]=\n",
                    pri->pname,
                    msgb.mtype);
                showbuffer(pri,
                    (long)(offset + sizeof (msgb.mtype)), msgsz);

                /* exit region of lengthy output */
                if (msgsz > MYBUFSIZ / 4)
                        Xserialize();
        }
}

void
show_msgsys(private_t *pri, long msgsz)
{
        switch (pri->sys_args[0]) {
        case 0:                 /* msgget() */
                break;
        case 1:                 /* msgctl() */
                if (pri->sys_nargs > 3) {
                        switch (pri->sys_args[2]) {
                        case IPC_STAT:
                                if (pri->Errno)
                                        break;
                                /*FALLTHROUGH*/
                        case IPC_SET:
                                if (data_model == PR_MODEL_LP64)
                                        show_msgctl(pri,
                                            (long)pri->sys_args[3]);
                                else
                                        show_msgctl32(pri,
                                            (long)pri->sys_args[3]);
                                break;
                        case IPC_STAT64:
                                if (pri->Errno)
                                        break;
                                /*FALLTHROUGH*/
                        case IPC_SET64:
                                show_msgctl64(pri, (long)pri->sys_args[3]);
                                break;
                        }
                }
                break;
        case 2:                 /* msgrcv() */
                if (!pri->Errno && pri->sys_nargs > 2) {
                        if (data_model == PR_MODEL_LP64)
                                show_msgbuf(pri, pri->sys_args[2], msgsz);
                        else
                                show_msgbuf32(pri, pri->sys_args[2], msgsz);
                }
                break;
        case 3:                 /* msgsnd() */
                if (pri->sys_nargs > 3) {
                        if (data_model == PR_MODEL_LP64)
                                show_msgbuf(pri, pri->sys_args[2],
                                    pri->sys_args[3]);
                        else
                                show_msgbuf32(pri, pri->sys_args[2],
                                    pri->sys_args[3]);
                }
                break;
        case 4:                 /* msgids() */
        case 5:                 /* msgsnap() */
        default:                /* unexpected subcode */
                break;
        }
}

static void
show_semctl64(private_t *pri, long offset)
{
        struct semid_ds64 semds;

        if (offset != 0 &&
            Pread(Proc, &semds, sizeof (semds), offset) == sizeof (semds)) {
                show_perm64(pri, &semds.semx_perm);

                (void) printf("%s\tnsems=%u\n", pri->pname, semds.semx_nsems);

                prtime(pri, "    ot = ", (time_t)semds.semx_otime);
                prtime(pri, "    ct = ", (time_t)semds.semx_ctime);
        }
}

void
show_semctl(private_t *pri, long offset)
{
        struct semid_ds semds;

        if (offset != 0 &&
            Pread(Proc, &semds, sizeof (semds), offset) == sizeof (semds)) {
                show_perm(pri, &semds.sem_perm);

                (void) printf("%s\tnsems=%u\n",
                    pri->pname,
                    semds.sem_nsems);

                prtime(pri, "    ot = ", semds.sem_otime);
                prtime(pri, "    ct = ", semds.sem_ctime);
        }
}

void
show_semctl32(private_t *pri, long offset)
{
        struct semid_ds32 semds;

        if (offset != 0 &&
            Pread(Proc, &semds, sizeof (semds), offset) == sizeof (semds)) {
                show_perm32(pri, &semds.sem_perm);

                (void) printf("%s\tnsems=%u\n",
                    pri->pname,
                    semds.sem_nsems);

                prtime(pri, "    ot = ", semds.sem_otime);
                prtime(pri, "    ct = ", semds.sem_ctime);
        }
}

void
show_semop(private_t *pri, long offset, long nsops, long timeout)
{
        struct sembuf sembuf;
        const char *str;

        if (offset == 0)
                return;

        if (nsops > 40)         /* let's not be ridiculous */
                nsops = 40;

        for (; nsops > 0 && !interrupt; --nsops, offset += sizeof (sembuf)) {
                if (Pread(Proc, &sembuf, sizeof (sembuf), offset) !=
                    sizeof (sembuf))
                        break;

                (void) printf("%s\tsemnum=%-5u semop=%-5d semflg=",
                    pri->pname,
                    sembuf.sem_num,
                    sembuf.sem_op);

                if (sembuf.sem_flg == 0)
                        (void) printf("0\n");
                else if ((str = semflags(pri, sembuf.sem_flg)) != NULL)
                        (void) printf("%s\n", str);
                else
                        (void) printf("0%.6o\n", sembuf.sem_flg);
        }
        if (timeout)
                show_timestruc(pri, timeout, "timeout");
}

void
show_semsys(private_t *pri)
{
        switch (pri->sys_args[0]) {
        case 0:                 /* semctl() */
                if (pri->sys_nargs > 4) {
                        switch (pri->sys_args[3]) {
                        case IPC_STAT:
                                if (pri->Errno)
                                        break;
                                /*FALLTHROUGH*/
                        case IPC_SET:
                                if (data_model == PR_MODEL_LP64)
                                        show_semctl(pri,
                                            (long)pri->sys_args[4]);
                                else
                                        show_semctl32(pri,
                                            (long)pri->sys_args[4]);
                                break;
                        case IPC_STAT64:
                                if (pri->Errno)
                                        break;
                                /*FALLTHROUGH*/
                        case IPC_SET64:
                                show_semctl64(pri, (long)pri->sys_args[4]);
                                break;
                        }
                }
                break;
        case 1:                 /* semget() */
                break;
        case 2:                 /* semop() */
                if (pri->sys_nargs > 3)
                        show_semop(pri, (long)pri->sys_args[2],
                            pri->sys_args[3], 0);
                break;
        case 3:                 /* semids() */
                break;
        case 4:                 /* semtimedop() */
                if (pri->sys_nargs > 4)
                        show_semop(pri, (long)pri->sys_args[2],
                            pri->sys_args[3], pri->sys_args[4]);
                break;
        default:                /* unexpected subcode */
                break;
        }
}

static void
show_shmctl64(private_t *pri, long offset)
{
        struct shmid_ds64 shmds;

        if (offset != 0 &&
            Pread(Proc, &shmds, sizeof (shmds), offset) == sizeof (shmds)) {
                show_perm64(pri, &shmds.shmx_perm);

                (void) printf(
                    "%s\tsize=%-6llu lpid=%-5d cpid=%-5d na=%-5llu cna=%llu\n",
                    pri->pname,
                    (unsigned long long)shmds.shmx_segsz,
                    (int)shmds.shmx_lpid,
                    (int)shmds.shmx_cpid,
                    (unsigned long long)shmds.shmx_nattch,
                    (unsigned long long)shmds.shmx_cnattch);

                prtime(pri, "    at = ", (time_t)shmds.shmx_atime);
                prtime(pri, "    dt = ", (time_t)shmds.shmx_dtime);
                prtime(pri, "    ct = ", (time_t)shmds.shmx_ctime);
        }
}

void
show_shmctl(private_t *pri, long offset)
{
        struct shmid_ds shmds;

        if (offset != 0 &&
            Pread(Proc, &shmds, sizeof (shmds), offset) == sizeof (shmds)) {
                show_perm(pri, &shmds.shm_perm);

                (void) printf(
                    "%s\tsize=%-6lu lpid=%-5u cpid=%-5u na=%-5lu cna=%lu\n",
                    pri->pname,
                    (ulong_t)shmds.shm_segsz,
                    (int)shmds.shm_lpid,
                    (int)shmds.shm_cpid,
                    shmds.shm_nattch,
                    shmds.shm_cnattch);

                prtime(pri, "    at = ", shmds.shm_atime);
                prtime(pri, "    dt = ", shmds.shm_dtime);
                prtime(pri, "    ct = ", shmds.shm_ctime);
        }
}

void
show_shmctl32(private_t *pri, long offset)
{
        struct shmid_ds32 shmds;

        if (offset != 0 &&
            Pread(Proc, &shmds, sizeof (shmds), offset) == sizeof (shmds)) {
                show_perm32(pri, &shmds.shm_perm);

                (void) printf(
                    "%s\tsize=%-6u lpid=%-5u cpid=%-5u na=%-5u cna=%u\n",
                    pri->pname,
                    shmds.shm_segsz,
                    shmds.shm_lpid,
                    shmds.shm_cpid,
                    shmds.shm_nattch,
                    shmds.shm_cnattch);

                prtime(pri, "    at = ", shmds.shm_atime);
                prtime(pri, "    dt = ", shmds.shm_dtime);
                prtime(pri, "    ct = ", shmds.shm_ctime);
        }
}

void
show_shmsys(private_t *pri)
{
        switch (pri->sys_args[0]) {
        case 0:                 /* shmat() */
                break;
        case 1:                 /* shmctl() */
                if (pri->sys_nargs > 3) {
                        switch (pri->sys_args[2]) {
                        case IPC_STAT:
                                if (pri->Errno)
                                        break;
                                /*FALLTHROUGH*/
                        case IPC_SET:
                                if (data_model == PR_MODEL_LP64)
                                        show_shmctl(pri,
                                            (long)pri->sys_args[3]);
                                else
                                        show_shmctl32(pri,
                                            (long)pri->sys_args[3]);
                                break;
                        case IPC_STAT64:
                                if (pri->Errno)
                                        break;
                                /*FALLTHROUGH*/
                        case IPC_SET64:
                                show_shmctl64(pri, (long)pri->sys_args[3]);
                                break;
                        }
                }
                break;
        case 2:                 /* shmdt() */
        case 3:                 /* shmget() */
        case 4:                 /* shmids() */
        default:                /* unexpected subcode */
                break;
        }
}

void
show_groups(private_t *pri, long offset, long count)
{
        int groups[100];

        if (count > 100)
                count = 100;

        if (count > 0 && offset != 0 &&
            Pread(Proc, &groups[0], count*sizeof (int), offset) ==
            count*sizeof (int)) {
                int n;

                (void) printf("%s\t", pri->pname);
                for (n = 0; !interrupt && n < count; n++) {
                        if (n != 0 && n%10 == 0)
                                (void) printf("\n%s\t", pri->pname);
                        (void) printf(" %5d", groups[n]);
                }
                (void) fputc('\n', stdout);
        }
}

/*
 * This assumes that a sigset_t is simply an array of ints.
 */
char *
sigset_string(private_t *pri, sigset_t *sp)
{
        char *s = pri->code_buf;
        int n = sizeof (*sp) / sizeof (int32_t);
        int32_t *lp = (int32_t *)sp;

        while (--n >= 0) {
                int32_t val = *lp++;

                if (val == 0)
                        s += sprintf(s, " 0");
                else
                        s += sprintf(s, " 0x%.8X", val);
        }

        return (pri->code_buf);
}

void
show_sigset(private_t *pri, long offset, const char *name)
{
        sigset_t sigset;

        if (offset != 0 &&
            Pread(Proc, &sigset, sizeof (sigset), offset) == sizeof (sigset)) {
                (void) printf("%s\t%s =%s\n",
                    pri->pname, name, sigset_string(pri, &sigset));
        }
}

void
show_sigaltstack32(private_t *pri, long offset, const char *name)
{
        struct sigaltstack32 altstack;

        if (offset != 0 &&
            Pread(Proc, &altstack, sizeof (altstack), offset) ==
            sizeof (altstack)) {
                (void) printf("%s\t%s: sp=0x%.8X size=%u flags=0x%.4X\n",
                    pri->pname,
                    name,
                    altstack.ss_sp,
                    altstack.ss_size,
                    altstack.ss_flags);
        }
}

void
show_sigaltstack(private_t *pri, long offset, const char *name)
{
        struct sigaltstack altstack;

        if (data_model != PR_MODEL_LP64) {
                show_sigaltstack32(pri, offset, name);
                return;
        }
        if (offset != 0 &&
            Pread(Proc, &altstack, sizeof (altstack), offset) ==
            sizeof (altstack)) {
                (void) printf("%s\t%s: sp=0x%.8lX size=%lu flags=0x%.4X\n",
                    pri->pname,
                    name,
                    (ulong_t)altstack.ss_sp,
                    (ulong_t)altstack.ss_size,
                    altstack.ss_flags);
        }
}

void
show_sigaction32(private_t *pri, long offset, const char *name, long odisp)
{
        struct sigaction32 sigaction;

        if (offset != 0 &&
            Pread(Proc, &sigaction, sizeof (sigaction), offset) ==
            sizeof (sigaction)) {
                /* This is stupid, we shouldn't have to do this */
                if (odisp != 0)
                        sigaction.sa_handler = (caddr32_t)odisp;
                (void) printf(
                    "%s    %s: hand = 0x%.8X mask =%s flags = 0x%.4X\n",
                    pri->pname,
                    name,
                    sigaction.sa_handler,
                    sigset_string(pri, (sigset_t *)&sigaction.sa_mask),
                    sigaction.sa_flags);
        }
}

void
show_sigaction(private_t *pri, long offset, const char *name, long odisp)
{
        struct sigaction sigaction;

        if (data_model != PR_MODEL_LP64) {
                show_sigaction32(pri, offset, name, odisp);
                return;
        }
        if (offset != 0 &&
            Pread(Proc, &sigaction, sizeof (sigaction), offset) ==
            sizeof (sigaction)) {
                /* This is stupid, we shouldn't have to do this */
                if (odisp != 0)
                        sigaction.sa_handler = (void (*)())odisp;
                (void) printf(
                    "%s    %s: hand = 0x%.8lX mask =%s flags = 0x%.4X\n",
                    pri->pname,
                    name,
                    (long)sigaction.sa_handler,
                    sigset_string(pri, &sigaction.sa_mask),
                    sigaction.sa_flags);
        }
}

void
print_siginfo32(private_t *pri, const siginfo32_t *sip)
{
        const char *code = NULL;

        (void) printf("%s      siginfo: %s", pri->pname,
            signame(pri, sip->si_signo));

        if (sip->si_signo != 0 && SI_FROMUSER(sip) && sip->si_pid != 0) {
                (void) printf(" pid=%d uid=%d", sip->si_pid, sip->si_uid);
                if (sip->si_code != 0)
                        (void) printf(" code=%d", sip->si_code);
                (void) fputc('\n', stdout);
                return;
        }

        switch (sip->si_signo) {
        default:
                (void) fputc('\n', stdout);
                return;
        case SIGILL:
        case SIGTRAP:
        case SIGFPE:
        case SIGSEGV:
        case SIGBUS:
        case SIGEMT:
        case SIGCLD:
        case SIGPOLL:
        case SIGXFSZ:
                break;
        }

        switch (sip->si_signo) {
        case SIGILL:
                switch (sip->si_code) {
                case ILL_ILLOPC:        code = "ILL_ILLOPC";    break;
                case ILL_ILLOPN:        code = "ILL_ILLOPN";    break;
                case ILL_ILLADR:        code = "ILL_ILLADR";    break;
                case ILL_ILLTRP:        code = "ILL_ILLTRP";    break;
                case ILL_PRVOPC:        code = "ILL_PRVOPC";    break;
                case ILL_PRVREG:        code = "ILL_PRVREG";    break;
                case ILL_COPROC:        code = "ILL_COPROC";    break;
                case ILL_BADSTK:        code = "ILL_BADSTK";    break;
                }
                break;
        case SIGTRAP:
                switch (sip->si_code) {
                case TRAP_BRKPT:        code = "TRAP_BRKPT";    break;
                case TRAP_TRACE:        code = "TRAP_TRACE";    break;
                case TRAP_RWATCH:       code = "TRAP_RWATCH";   break;
                case TRAP_WWATCH:       code = "TRAP_WWATCH";   break;
                case TRAP_XWATCH:       code = "TRAP_XWATCH";   break;
                case TRAP_DTRACE:       code = "TRAP_DTRACE";   break;
                }
                break;
        case SIGFPE:
                switch (sip->si_code) {
                case FPE_INTDIV:        code = "FPE_INTDIV";    break;
                case FPE_INTOVF:        code = "FPE_INTOVF";    break;
                case FPE_FLTDIV:        code = "FPE_FLTDIV";    break;
                case FPE_FLTOVF:        code = "FPE_FLTOVF";    break;
                case FPE_FLTUND:        code = "FPE_FLTUND";    break;
                case FPE_FLTRES:        code = "FPE_FLTRES";    break;
                case FPE_FLTINV:        code = "FPE_FLTINV";    break;
                case FPE_FLTSUB:        code = "FPE_FLTSUB";    break;
#if defined(FPE_FLTDEN)
                case FPE_FLTDEN:        code = "FPE_FLTDEN";    break;
#endif
                }
                break;
        case SIGSEGV:
                switch (sip->si_code) {
                case SEGV_MAPERR:       code = "SEGV_MAPERR";   break;
                case SEGV_ACCERR:       code = "SEGV_ACCERR";   break;
                }
                break;
        case SIGEMT:
                switch (sip->si_code) {
#ifdef EMT_TAGOVF
                case EMT_TAGOVF:        code = "EMT_TAGOVF";    break;
#endif
                case EMT_CPCOVF:        code = "EMT_CPCOVF";    break;
                }
                break;
        case SIGBUS:
                switch (sip->si_code) {
                case BUS_ADRALN:        code = "BUS_ADRALN";    break;
                case BUS_ADRERR:        code = "BUS_ADRERR";    break;
                case BUS_OBJERR:        code = "BUS_OBJERR";    break;
                }
                break;
        case SIGCLD:
                switch (sip->si_code) {
                case CLD_EXITED:        code = "CLD_EXITED";    break;
                case CLD_KILLED:        code = "CLD_KILLED";    break;
                case CLD_DUMPED:        code = "CLD_DUMPED";    break;
                case CLD_TRAPPED:       code = "CLD_TRAPPED";   break;
                case CLD_STOPPED:       code = "CLD_STOPPED";   break;
                case CLD_CONTINUED:     code = "CLD_CONTINUED"; break;
                }
                break;
        case SIGPOLL:
                switch (sip->si_code) {
                case POLL_IN:           code = "POLL_IN";       break;
                case POLL_OUT:          code = "POLL_OUT";      break;
                case POLL_MSG:          code = "POLL_MSG";      break;
                case POLL_ERR:          code = "POLL_ERR";      break;
                case POLL_PRI:          code = "POLL_PRI";      break;
                case POLL_HUP:          code = "POLL_HUP";      break;
                }
                break;
        }

        if (code == NULL) {
                (void) sprintf(pri->code_buf, "code=%d", sip->si_code);
                code = (const char *)pri->code_buf;
        }

        switch (sip->si_signo) {
        case SIGILL:
        case SIGTRAP:
        case SIGFPE:
        case SIGSEGV:
        case SIGBUS:
        case SIGEMT:
                (void) printf(" %s addr=0x%.8X",
                    code,
                    sip->si_addr);
                break;
        case SIGCLD:
                (void) printf(" %s pid=%d status=0x%.4X",
                    code,
                    sip->si_pid,
                    sip->si_status);
                break;
        case SIGPOLL:
        case SIGXFSZ:
                (void) printf(" %s fd=%d band=%d",
                    code,
                    sip->si_fd,
                    sip->si_band);
                break;
        }

        if (sip->si_errno != 0) {
                const char *ename = errname(sip->si_errno);

                (void) printf(" errno=%d", sip->si_errno);
                if (ename != NULL)
                        (void) printf("(%s)", ename);
        }

        (void) fputc('\n', stdout);
}

void
print_siginfo(private_t *pri, const siginfo_t *sip)
{
        const char *code = NULL;

        (void) printf("%s      siginfo: %s", pri->pname,
            signame(pri, sip->si_signo));

        if (sip->si_signo != 0 && SI_FROMUSER(sip) && sip->si_pid != 0) {
                (void) printf(" pid=%d uid=%u",
                    (int)sip->si_pid,
                    sip->si_uid);
                if (sip->si_code != 0)
                        (void) printf(" code=%d", sip->si_code);
                (void) fputc('\n', stdout);
                return;
        }

        switch (sip->si_signo) {
        default:
                (void) fputc('\n', stdout);
                return;
        case SIGILL:
        case SIGTRAP:
        case SIGFPE:
        case SIGSEGV:
        case SIGBUS:
        case SIGEMT:
        case SIGCLD:
        case SIGPOLL:
        case SIGXFSZ:
                break;
        }

        switch (sip->si_signo) {
        case SIGILL:
                switch (sip->si_code) {
                case ILL_ILLOPC:        code = "ILL_ILLOPC";    break;
                case ILL_ILLOPN:        code = "ILL_ILLOPN";    break;
                case ILL_ILLADR:        code = "ILL_ILLADR";    break;
                case ILL_ILLTRP:        code = "ILL_ILLTRP";    break;
                case ILL_PRVOPC:        code = "ILL_PRVOPC";    break;
                case ILL_PRVREG:        code = "ILL_PRVREG";    break;
                case ILL_COPROC:        code = "ILL_COPROC";    break;
                case ILL_BADSTK:        code = "ILL_BADSTK";    break;
                }
                break;
        case SIGTRAP:
                switch (sip->si_code) {
                case TRAP_BRKPT:        code = "TRAP_BRKPT";    break;
                case TRAP_TRACE:        code = "TRAP_TRACE";    break;
                case TRAP_RWATCH:       code = "TRAP_RWATCH";   break;
                case TRAP_WWATCH:       code = "TRAP_WWATCH";   break;
                case TRAP_XWATCH:       code = "TRAP_XWATCH";   break;
                case TRAP_DTRACE:       code = "TRAP_DTRACE";   break;
                }
                break;
        case SIGFPE:
                switch (sip->si_code) {
                case FPE_INTDIV:        code = "FPE_INTDIV";    break;
                case FPE_INTOVF:        code = "FPE_INTOVF";    break;
                case FPE_FLTDIV:        code = "FPE_FLTDIV";    break;
                case FPE_FLTOVF:        code = "FPE_FLTOVF";    break;
                case FPE_FLTUND:        code = "FPE_FLTUND";    break;
                case FPE_FLTRES:        code = "FPE_FLTRES";    break;
                case FPE_FLTINV:        code = "FPE_FLTINV";    break;
                case FPE_FLTSUB:        code = "FPE_FLTSUB";    break;
#if defined(FPE_FLTDEN)
                case FPE_FLTDEN:        code = "FPE_FLTDEN";    break;
#endif
                }
                break;
        case SIGSEGV:
                switch (sip->si_code) {
                case SEGV_MAPERR:       code = "SEGV_MAPERR";   break;
                case SEGV_ACCERR:       code = "SEGV_ACCERR";   break;
                }
                break;
        case SIGEMT:
                switch (sip->si_code) {
#ifdef EMT_TAGOVF
                case EMT_TAGOVF:        code = "EMT_TAGOVF";    break;
#endif
                case EMT_CPCOVF:        code = "EMT_CPCOVF";    break;
                }
                break;
        case SIGBUS:
                switch (sip->si_code) {
                case BUS_ADRALN:        code = "BUS_ADRALN";    break;
                case BUS_ADRERR:        code = "BUS_ADRERR";    break;
                case BUS_OBJERR:        code = "BUS_OBJERR";    break;
                }
                break;
        case SIGCLD:
                switch (sip->si_code) {
                case CLD_EXITED:        code = "CLD_EXITED";    break;
                case CLD_KILLED:        code = "CLD_KILLED";    break;
                case CLD_DUMPED:        code = "CLD_DUMPED";    break;
                case CLD_TRAPPED:       code = "CLD_TRAPPED";   break;
                case CLD_STOPPED:       code = "CLD_STOPPED";   break;
                case CLD_CONTINUED:     code = "CLD_CONTINUED"; break;
                }
                break;
        case SIGPOLL:
                switch (sip->si_code) {
                case POLL_IN:           code = "POLL_IN";       break;
                case POLL_OUT:          code = "POLL_OUT";      break;
                case POLL_MSG:          code = "POLL_MSG";      break;
                case POLL_ERR:          code = "POLL_ERR";      break;
                case POLL_PRI:          code = "POLL_PRI";      break;
                case POLL_HUP:          code = "POLL_HUP";      break;
                }
                break;
        }

        if (code == NULL) {
                (void) sprintf(pri->code_buf, "code=%d", sip->si_code);
                code = (const char *)pri->code_buf;
        }

        switch (sip->si_signo) {
        case SIGILL:
        case SIGTRAP:
        case SIGFPE:
        case SIGSEGV:
        case SIGBUS:
        case SIGEMT:
                (void) printf(" %s addr=0x%.8lX",
                    code,
                    (long)sip->si_addr);
                break;
        case SIGCLD:
                (void) printf(" %s pid=%d status=0x%.4X",
                    code,
                    (int)sip->si_pid,
                    sip->si_status);
                break;
        case SIGPOLL:
        case SIGXFSZ:
                (void) printf(" %s fd=%d band=%ld",
                    code,
                    sip->si_fd,
                    sip->si_band);
                break;
        }

        if (sip->si_errno != 0) {
                const char *ename = errname(sip->si_errno);

                (void) printf(" errno=%d", sip->si_errno);
                if (ename != NULL)
                        (void) printf("(%s)", ename);
        }

        (void) fputc('\n', stdout);
}

void
show_siginfo32(private_t *pri, long offset)
{
        struct siginfo32 siginfo;

        if (offset != 0 &&
            Pread(Proc, &siginfo, sizeof (siginfo), offset) == sizeof (siginfo))
                print_siginfo32(pri, &siginfo);
}

void
show_siginfo(private_t *pri, long offset)
{
        struct siginfo siginfo;

        if (data_model != PR_MODEL_LP64) {
                show_siginfo32(pri, offset);
                return;
        }
        if (offset != 0 &&
            Pread(Proc, &siginfo, sizeof (siginfo), offset) == sizeof (siginfo))
                print_siginfo(pri, &siginfo);
}

void
show_bool(private_t *pri, long offset, int count)
{
        int serial = (count > MYBUFSIZ / 4);

        /* enter region of lengthy output */
        if (serial)
                Eserialize();

        while (count > 0) {
                char buf[32];
                int nb = (count < 32)? count : 32;
                int i;

                if (Pread(Proc, buf, (size_t)nb, offset) != nb)
                        break;

                (void) printf("%s   ", pri->pname);
                for (i = 0; i < nb; i++)
                        (void) printf(" %d", buf[i]);
                (void) fputc('\n', stdout);

                count -= nb;
                offset += nb;
        }

        /* exit region of lengthy output */
        if (serial)
                Xserialize();
}

void
show_iovec32(private_t *pri, long offset, int niov, int showbuf, long count)
{
        iovec32_t iovec[16];
        iovec32_t *ip;
        long nb;
        int serial = (count > MYBUFSIZ / 4 && showbuf);

        if (niov > 16)          /* is this the real limit? */
                niov = 16;

        if (offset != 0 && niov > 0 &&
            Pread(Proc, &iovec[0], niov*sizeof (iovec32_t), offset)
            == niov*sizeof (iovec32_t)) {
                /* enter region of lengthy output */
                if (serial)
                        Eserialize();

                for (ip = &iovec[0]; niov-- && !interrupt; ip++) {
                        (void) printf("%s\tiov_base = 0x%.8X  iov_len = %d\n",
                            pri->pname,
                            ip->iov_base,
                            ip->iov_len);
                        if ((nb = count) > 0) {
                                if (nb > ip->iov_len)
                                        nb = ip->iov_len;
                                if (nb > 0)
                                        count -= nb;
                        }
                        if (showbuf && nb > 0)
                                showbuffer(pri, (long)ip->iov_base, nb);
                }

                /* exit region of lengthy output */
                if (serial)
                        Xserialize();
        }
}

void
show_iovec(private_t *pri, long offset, long niov, int showbuf, long count)
{
        iovec_t iovec[16];
        iovec_t *ip;
        long nb;
        int serial = (count > MYBUFSIZ / 4 && showbuf);

        if (data_model != PR_MODEL_LP64) {
                show_iovec32(pri, offset, niov, showbuf, count);
                return;
        }
        if (niov > 16)          /* is this the real limit? */
                niov = 16;

        if (offset != 0 && niov > 0 &&
            Pread(Proc, &iovec[0], niov*sizeof (iovec_t), offset)
            == niov*sizeof (iovec_t)) {
                /* enter region of lengthy output */
                if (serial)
                        Eserialize();

                for (ip = &iovec[0]; niov-- && !interrupt; ip++) {
                        (void) printf("%s\tiov_base = 0x%.8lX  iov_len = %lu\n",
                            pri->pname,
                            (long)ip->iov_base,
                            ip->iov_len);
                        if ((nb = count) > 0) {
                                if (nb > ip->iov_len)
                                        nb = ip->iov_len;
                                if (nb > 0)
                                        count -= nb;
                        }
                        if (showbuf && nb > 0)
                                showbuffer(pri, (long)ip->iov_base, nb);
                }

                /* exit region of lengthy output */
                if (serial)
                        Xserialize();
        }
}

void
show_dents32(private_t *pri, long offset, long count)
{
        long buf[MYBUFSIZ / sizeof (long)];
        struct dirent32 *dp;
        int serial = (count > 100);

        if (offset == 0)
                return;

        /* enter region of lengthy output */
        if (serial)
                Eserialize();

        while (count > 0 && !interrupt) {
                int nb = count < MYBUFSIZ? (int)count : MYBUFSIZ;

                if ((nb = Pread(Proc, &buf[0], (size_t)nb, offset)) <= 0)
                        break;

                dp = (struct dirent32 *)&buf[0];
                if (nb < (int)(dp->d_name - (char *)dp))
                        break;
                if ((unsigned)nb < dp->d_reclen) {
                        /* getdents() error? */
                        (void) printf(
                            "%s    ino=%-5u off=%-4d rlen=%-3d\n",
                            pri->pname,
                            dp->d_ino,
                            dp->d_off,
                            dp->d_reclen);
                        break;
                }

                while (!interrupt &&
                    nb >= (int)(dp->d_name - (char *)dp) &&
                    (unsigned)nb >= dp->d_reclen) {
                        (void) printf(
                            "%s    ino=%-5u off=%-4d rlen=%-3d \"%.*s\"\n",
                            pri->pname,
                            dp->d_ino,
                            dp->d_off,
                            dp->d_reclen,
                            dp->d_reclen - (int)(dp->d_name - (char *)dp),
                            dp->d_name);
                        nb -= dp->d_reclen;
                        count -= dp->d_reclen;
                        offset += dp->d_reclen;
                        /* LINTED improper alignment */
                        dp = (struct dirent32 *)((char *)dp + dp->d_reclen);
                }
        }

        /* exit region of lengthy output */
        if (serial)
                Xserialize();
}

void
show_dents64(private_t *pri, long offset, long count)
{
        long long buf[MYBUFSIZ / sizeof (long long)];
        struct dirent64 *dp;
        int serial = (count > 100);

        if (offset == 0)
                return;

        /* enter region of lengthy output */
        if (serial)
                Eserialize();

        while (count > 0 && !interrupt) {
                int nb = count < MYBUFSIZ? (int)count : MYBUFSIZ;

                if ((nb = Pread(Proc, &buf[0], (size_t)nb, offset)) <= 0)
                        break;

                dp = (struct dirent64 *)&buf[0];
                if (nb < (int)(dp->d_name - (char *)dp))
                        break;
                if ((unsigned)nb < dp->d_reclen) {
                        /* getdents() error? */
                        (void) printf(
                            "%s    ino=%-5llu off=%-4lld rlen=%-3d\n",
                            pri->pname,
                            (long long)dp->d_ino,
                            (long long)dp->d_off,
                            dp->d_reclen);
                        break;
                }

                while (!interrupt &&
                    nb >= (int)(dp->d_name - (char *)dp) &&
                    (unsigned)nb >= dp->d_reclen) {
                        (void) printf(
                            "%s    ino=%-5llu off=%-4lld rlen=%-3d \"%.*s\"\n",
                            pri->pname,
                            (long long)dp->d_ino,
                            (long long)dp->d_off,
                            dp->d_reclen,
                            dp->d_reclen - (int)(dp->d_name - (char *)dp),
                            dp->d_name);
                        nb -= dp->d_reclen;
                        count -= dp->d_reclen;
                        offset += dp->d_reclen;
                        /* LINTED improper alignment */
                        dp = (struct dirent64 *)((char *)dp + dp->d_reclen);
                }
        }

        /* exit region of lengthy output */
        if (serial)
                Xserialize();
}

void
show_rlimit32(private_t *pri, long offset)
{
        struct rlimit32 rlimit;

        if (offset != 0 &&
            Pread(Proc, &rlimit, sizeof (rlimit), offset) == sizeof (rlimit)) {
                (void) printf("%s\t", pri->pname);
                switch (rlimit.rlim_cur) {
                case RLIM32_INFINITY:
                        (void) fputs("cur = RLIM_INFINITY", stdout);
                        break;
                case RLIM32_SAVED_MAX:
                        (void) fputs("cur = RLIM_SAVED_MAX", stdout);
                        break;
                case RLIM32_SAVED_CUR:
                        (void) fputs("cur = RLIM_SAVED_CUR", stdout);
                        break;
                default:
                        (void) printf("cur = %lu", (long)rlimit.rlim_cur);
                        break;
                }
                switch (rlimit.rlim_max) {
                case RLIM32_INFINITY:
                        (void) fputs("  max = RLIM_INFINITY\n", stdout);
                        break;
                case RLIM32_SAVED_MAX:
                        (void) fputs("  max = RLIM_SAVED_MAX\n", stdout);
                        break;
                case RLIM32_SAVED_CUR:
                        (void) fputs("  max = RLIM_SAVED_CUR\n", stdout);
                        break;
                default:
                        (void) printf("  max = %lu\n", (long)rlimit.rlim_max);
                        break;
                }
        }
}

void
show_rlimit64(private_t *pri, long offset)
{
        struct rlimit64 rlimit;

        if (offset != 0 &&
            Pread(Proc, &rlimit, sizeof (rlimit), offset) == sizeof (rlimit)) {
                (void) printf("%s\t", pri->pname);
                switch (rlimit.rlim_cur) {
                case RLIM64_INFINITY:
                        (void) fputs("cur = RLIM64_INFINITY", stdout);
                        break;
                case RLIM64_SAVED_MAX:
                        (void) fputs("cur = RLIM64_SAVED_MAX", stdout);
                        break;
                case RLIM64_SAVED_CUR:
                        (void) fputs("cur = RLIM64_SAVED_CUR", stdout);
                        break;
                default:
                        (void) printf("cur = %llu",
                            (unsigned long long)rlimit.rlim_cur);
                        break;
                }
                switch (rlimit.rlim_max) {
                case RLIM64_INFINITY:
                        (void) fputs("  max = RLIM64_INFINITY\n", stdout);
                        break;
                case RLIM64_SAVED_MAX:
                        (void) fputs("  max = RLIM64_SAVED_MAX\n", stdout);
                        break;
                case RLIM64_SAVED_CUR:
                        (void) fputs("  max = RLIM64_SAVED_CUR\n", stdout);
                        break;
                default:
                        (void) printf("  max = %llu\n",
                            (unsigned long long)rlimit.rlim_max);
                        break;
                }
        }
}

void
show_nuname(private_t *pri, long offset)
{
        struct utsname ubuf;

        if (offset != 0 &&
            Pread(Proc, &ubuf, sizeof (ubuf), offset) == sizeof (ubuf)) {
                (void) printf(
                    "%s\tsys=%s nod=%s rel=%s ver=%s mch=%s\n",
                    pri->pname,
                    ubuf.sysname,
                    ubuf.nodename,
                    ubuf.release,
                    ubuf.version,
                    ubuf.machine);
        }
}

void
show_adjtime(private_t *pri, long off1, long off2)
{
        show_timeval(pri, off1, "   delta");
        show_timeval(pri, off2, "olddelta");
}

void
show_sockaddr(private_t *pri,
    const char *str, long addroff, long lenoff, long len)
{
        /*
         * A buffer large enough for PATH_MAX size AF_UNIX address, which is
         * also large enough to store a sockaddr_in or a sockaddr_in6.
         */
        long buf[(sizeof (short) + PATH_MAX + sizeof (long) - 1)
            / sizeof (long)];
        struct sockaddr *sa = (struct sockaddr *)buf;
        struct sockaddr_in *sin = (struct sockaddr_in *)buf;
        struct sockaddr_un *soun = (struct sockaddr_un *)buf;
        struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)buf;
        char addrbuf[INET6_ADDRSTRLEN];

        if (lenoff != 0) {
                uint_t ilen;
                if (Pread(Proc, &ilen, sizeof (ilen), lenoff) != sizeof (ilen))
                        return;
                len = ilen;
        }

        if (len >= sizeof (buf))        /* protect against ridiculous length */
                len = sizeof (buf) - 1;
        if (Pread(Proc, buf, len, addroff) != len)
                return;

        switch (sa->sa_family) {
        case AF_INET6:
                (void) printf("%s\tAF_INET6  %s = %s  port = %u\n",
                    pri->pname, str,
                    inet_ntop(AF_INET6, &sin6->sin6_addr, addrbuf,
                    sizeof (addrbuf)),
                    ntohs(sin6->sin6_port));
                (void) printf("%s\tscope id = %u  source id = 0x%x\n"
                    "%s\tflow class = 0x%02x  flow label = 0x%05x\n",
                    pri->pname, ntohl(sin6->sin6_scope_id),
                    ntohl(sin6->__sin6_src_id),
                    pri->pname,
                    ntohl((sin6->sin6_flowinfo & IPV6_FLOWINFO_TCLASS) >> 20),
                    ntohl(sin6->sin6_flowinfo & IPV6_FLOWINFO_FLOWLABEL));
                break;
        case AF_INET:
                (void) printf("%s\tAF_%s  %s = %s  port = %u\n",
                    pri->pname, "INET",
                    str, inet_ntop(AF_INET, &sin->sin_addr, addrbuf,
                    sizeof (addrbuf)), ntohs(sin->sin_port));
                break;
        case AF_UNIX:
                len -= sizeof (soun->sun_family);
                if (len >= 0) {
                        /* Null terminate */
                        soun->sun_path[len] = 0;
                        (void) printf("%s\tAF_UNIX  %s = %s\n", pri->pname,
                            str, soun->sun_path);
                }
                break;
        }
}

void
show_msghdr(private_t *pri, long offset)
{
        const lwpstatus_t *Lsp = pri->lwpstat;
        int what = Lsp->pr_what;
        int err = pri->Errno;
        struct msghdr msg;
        int showbuf = FALSE;
        int i = pri->sys_args[0]+1;
        long nb = (what == SYS_recvmsg)? pri->Rval1 : 32*1024;

        if (Pread(Proc, &msg, sizeof (msg), offset) != sizeof (msg))
                return;

        if (msg.msg_name != NULL && msg.msg_namelen != 0)
                show_sockaddr(pri, "msg_name",
                    (long)msg.msg_name, 0, (long)msg.msg_namelen);

        /*
         * Print the iovec if the syscall was successful and the fd is
         * part of the set being traced.
         */
        if ((what == SYS_recvmsg && !err &&
            prismember(&readfd, i)) ||
            (what == SYS_sendmsg &&
            prismember(&writefd, i)))
                showbuf = TRUE;

        show_iovec(pri, (long)msg.msg_iov, msg.msg_iovlen, showbuf, nb);

}

void
show_msghdr32(private_t *pri, long offset)
{
        struct msghdr32 {
                caddr32_t       msg_name;
                uint32_t        msg_namelen;
                caddr32_t       msg_iov;
                int32_t         msg_iovlen;
        } msg;
        const lwpstatus_t *Lsp = pri->lwpstat;
        int what = Lsp->pr_what;
        int err = pri->Errno;
        int showbuf = FALSE;
        int i = pri->sys_args[0]+1;
        long nb = (what == SYS_recvmsg)? pri->Rval1 : 32*1024;

        if (Pread(Proc, &msg, sizeof (msg), offset) != sizeof (msg))
                return;

        if (msg.msg_name != 0 && msg.msg_namelen != 0)
                show_sockaddr(pri, "msg_name",
                    (long)msg.msg_name, 0, (long)msg.msg_namelen);
        /*
         * Print the iovec if the syscall was successful and the fd is
         * part of the set being traced.
         */
        if ((what == SYS_recvmsg && !err &&
            prismember(&readfd, i)) ||
            (what == SYS_sendmsg &&
            prismember(&writefd, i)))
                showbuf = TRUE;

        show_iovec32(pri, (long)msg.msg_iov, msg.msg_iovlen, showbuf, nb);

}

static void
show_doorargs(private_t *pri, long offset)
{
        door_arg_t args;

        if (Pread(Proc, &args, sizeof (args), offset) == sizeof (args)) {
                (void) printf("%s\tdata_ptr=0x%lX data_size=%lu\n",
                    pri->pname,
                    (ulong_t)args.data_ptr,
                    (ulong_t)args.data_size);
                (void) printf("%s\tdesc_ptr=0x%lX desc_num=%u\n",
                    pri->pname,
                    (ulong_t)args.desc_ptr,
                    args.desc_num);
                (void) printf("%s\trbuf=0x%lX rsize=%lu\n",
                    pri->pname,
                    (ulong_t)args.rbuf,
                    (ulong_t)args.rsize);
        }
}

static void
show_ucred_privsets(private_t *pri, ucred_t *uc)
{
        int i = 0;
        const priv_set_t *s;
        priv_ptype_t sn;
        char *str;

        while ((sn = priv_getsetbynum(i++)) != NULL) {
                s = ucred_getprivset(uc, sn);

                if (s == NULL)
                        continue;

                (void) printf("%s\t%c: %s\n",
                    pri->pname,
                    *sn,
                    str = priv_set_to_str(s, ',', PRIV_STR_SHORT));

                free(str);
        }
}

static void
show_ucred(private_t *pri, long offset)
{
        ucred_t *uc = _ucred_alloc();
        size_t sz;

        if (uc == NULL)
                return;

        sz = Pread(Proc, uc, uc->uc_size, offset);

        /*
         * A new uc_size is read, it could be smaller than the previously
         * value.  We accept short reads that fill the whole header.
         */
        if (sz >= sizeof (ucred_t) && sz >= uc->uc_size) {
                (void) printf("%s\teuid=%u egid=%u\n",
                    pri->pname,
                    ucred_geteuid(uc),
                    ucred_getegid(uc));
                (void) printf("%s\truid=%u rgid=%u\n",
                    pri->pname,
                    ucred_getruid(uc),
                    ucred_getrgid(uc));
                (void) printf("%s\tpid=%d zoneid=%d\n",
                    pri->pname,
                    (int)ucred_getpid(uc),
                    (int)ucred_getzoneid(uc));
                show_ucred_privsets(pri, uc);
        }
        ucred_free(uc);
}

static void
show_privset(private_t *pri, long offset, size_t size, char *label)
{
        priv_set_t *tmp = priv_allocset();
        size_t sz;

        if (tmp == NULL)
                return;

        sz = Pread(Proc, tmp, size, offset);

        if (sz == size) {
                char *str = priv_set_to_str(tmp, ',', PRIV_STR_SHORT);
                if (str != NULL) {
                        (void) printf("%s\t%s%s\n", pri->pname, label, str);
                        free(str);
                }
        }
        priv_freeset(tmp);
}

static void
show_doorinfo(private_t *pri, long offset)
{
        door_info_t info;
        door_attr_t attr;

        if (Pread(Proc, &info, sizeof (info), offset) != sizeof (info))
                return;
        (void) printf("%s\ttarget=%d proc=0x%llX data=0x%llX\n",
            pri->pname,
            (int)info.di_target,
            info.di_proc,
            info.di_data);
        attr = info.di_attributes;
        (void) printf("%s\tattributes=%s\n", pri->pname, door_flags(pri, attr));
        (void) printf("%s\tuniquifier=%llu\n", pri->pname, info.di_uniquifier);
}

static void
show_doorparam(private_t *pri, long offset)
{
        ulong_t val;

        if (Pread(Proc, &val, sizeof (val), offset) == sizeof (val)) {
                (void) printf("%s\tvalue=%lu\n",
                    pri->pname,
                    val);
        }
}


static void
show_doorargs32(private_t *pri, long offset)
{
        struct door_arg32 args;

        if (Pread(Proc, &args, sizeof (args), offset) == sizeof (args)) {
                (void) printf("%s\tdata_ptr=%X data_size=%u\n",
                    pri->pname,
                    args.data_ptr,
                    args.data_size);
                (void) printf("%s\tdesc_ptr=0x%X desc_num=%u\n",
                    pri->pname,
                    args.desc_ptr,
                    args.desc_num);
                (void) printf("%s\trbuf=0x%X rsize=%u\n",
                    pri->pname,
                    args.rbuf,
                    args.rsize);
        }
}

static void
show_doorparam32(private_t *pri, long offset)
{
        uint_t val;

        if (Pread(Proc, &val, sizeof (val), offset) == sizeof (val)) {
                (void) printf("%s\tvalue=%u\n",
                    pri->pname,
                    val);
        }
}


static void
show_doors(private_t *pri)
{
        switch (pri->sys_args[5]) {
        case DOOR_CALL:
                if (data_model == PR_MODEL_LP64)
                        show_doorargs(pri, (long)pri->sys_args[1]);
                else
                        show_doorargs32(pri, (long)pri->sys_args[1]);
                break;
        case DOOR_UCRED:
                if (!pri->Errno)
                        show_ucred(pri, (long)pri->sys_args[0]);
                break;
        case DOOR_INFO:
                if (!pri->Errno)
                        show_doorinfo(pri, (long)pri->sys_args[1]);
                break;
        case DOOR_GETPARAM:
                if (!pri->Errno) {
                        if (data_model == PR_MODEL_LP64)
                                show_doorparam(pri, (long)pri->sys_args[2]);
                        else
                                show_doorparam32(pri, (long)pri->sys_args[2]);
                }
                break;
        }
}

static void
show_portargs(private_t *pri, long offset)
{
        port_event_t args;

        if (Pread(Proc, &args, sizeof (args), offset) == sizeof (args)) {
                (void) printf("%s\tevents=0x%x source=%u\n",
                    pri->pname,
                    args.portev_events,
                    args.portev_source);
                (void) printf("%s\tobject=0x%p user=0x%p\n",
                    pri->pname,
                    (void *)args.portev_object,
                    (void *)args.portev_user);
        }
}



static void
show_portargs32(private_t *pri, long offset)
{
        port_event32_t args;

        if (Pread(Proc, &args, sizeof (args), offset) == sizeof (args)) {
                (void) printf("%s\tevents=0x%x source=%u\n",
                    pri->pname,
                    args.portev_events,
                    args.portev_source);
                (void) printf("%s\tobject=0x%x user=0x%x\n",
                    pri->pname,
                    args.portev_object,
                    args.portev_user);
        }
}


static void
show_ports(private_t *pri)
{
        switch (pri->sys_args[0]) {
        case PORT_GET:
                if (data_model == PR_MODEL_LP64)
                        show_portargs(pri, (long)pri->sys_args[2]);
                else
                        show_portargs32(pri, (long)pri->sys_args[2]);
                break;
        }
}

#define MAX_SNDFL_PRD 16


static void
show_ksendfilevec32(private_t *pri, int fd,
    ksendfilevec32_t *sndvec, int sfvcnt)
{
        ksendfilevec32_t *snd_ptr, snd[MAX_SNDFL_PRD];
        size_t cpy_rqst;

        Eserialize();
        while (sfvcnt > 0) {
                cpy_rqst = MIN(sfvcnt, MAX_SNDFL_PRD);
                sfvcnt -= cpy_rqst;
                cpy_rqst *= sizeof (snd[0]);

                if (Pread(Proc, snd, cpy_rqst, (uintptr_t)sndvec) != cpy_rqst)
                        break;

                snd_ptr = &snd[0];

                while (cpy_rqst) {
                        (void) printf(
                            "sfv_fd=%d\tsfv_flag=0x%x\t"
                            "sfv_off=%d\tsfv_len=%u\n",
                            snd_ptr->sfv_fd,
                            snd_ptr->sfv_flag,
                            snd_ptr->sfv_off,
                            snd_ptr->sfv_len);

                        if (snd_ptr->sfv_fd == SFV_FD_SELF &&
                            prismember(&writefd, fd)) {
                                showbuffer(pri,
                                    (long)snd_ptr->sfv_off & 0xffffffff,
                                    (long)snd_ptr->sfv_len);
                        }

                        cpy_rqst -= sizeof (snd[0]);
                        snd_ptr++;
                }

                sndvec += MAX_SNDFL_PRD;
        }
        Xserialize();
}

static void
show_ksendfilevec64(private_t *pri, int fd,
    ksendfilevec64_t *sndvec, int sfvcnt)
{
        ksendfilevec64_t *snd_ptr, snd[MAX_SNDFL_PRD];
        size_t cpy_rqst;

        Eserialize();
        while (sfvcnt > 0) {
                cpy_rqst = MIN(sfvcnt, MAX_SNDFL_PRD);
                sfvcnt -= cpy_rqst;
                cpy_rqst *= sizeof (snd[0]);

                if (Pread(Proc, snd, cpy_rqst, (uintptr_t)sndvec) != cpy_rqst)
                        break;

                snd_ptr = &snd[0];

                while (cpy_rqst) {
                        (void) printf(
                            "sfv_fd=%d\tsfv_flag=0x%x\t"
                            "sfv_off=%ld\tsfv_len=%u\n",
                            snd_ptr->sfv_fd,
                            snd_ptr->sfv_flag,
                            snd_ptr->sfv_off,
                            snd_ptr->sfv_len);

                        if (snd_ptr->sfv_fd == SFV_FD_SELF &&
                            prismember(&writefd, fd)) {
                                showbuffer(pri,
                                    (long)snd_ptr->sfv_off & 0xffffffff,
                                    (long)snd_ptr->sfv_len);
                        }

                        cpy_rqst -= sizeof (snd[0]);
                        snd_ptr++;
                }

                sndvec += MAX_SNDFL_PRD;
        }
        Xserialize();
}


/*ARGSUSED*/
static void
show_sendfilevec(private_t *pri, int fd, sendfilevec_t *sndvec, int sfvcnt)
{
        sendfilevec_t *snd_ptr, snd[MAX_SNDFL_PRD];
        size_t cpy_rqst;

        if (data_model != PR_MODEL_LP64) {
                show_ksendfilevec32(pri, fd,
                    (ksendfilevec32_t *)sndvec, sfvcnt);
                return;
        }
        Eserialize();
        while (sfvcnt > 0) {
                cpy_rqst = MIN(sfvcnt, MAX_SNDFL_PRD);
                sfvcnt -= cpy_rqst;
                cpy_rqst *= sizeof (snd[0]);

                if (Pread(Proc, snd, cpy_rqst, (uintptr_t)sndvec) != cpy_rqst)
                        break;

                snd_ptr = &snd[0];

                while (cpy_rqst) {
                        (void) printf(
                            "sfv_fd=%d\tsfv_flag=0x%x\t"
                            "sfv_off=%ld\tsfv_len=%lu\n",
                            snd_ptr->sfv_fd,
                            snd_ptr->sfv_flag,
                            snd_ptr->sfv_off,
                            (ulong_t)snd_ptr->sfv_len);

                        if (snd_ptr->sfv_fd == SFV_FD_SELF &&
                            prismember(&writefd, fd)) {
                                showbuffer(pri, (long)snd_ptr->sfv_off,
                                    (long)snd_ptr->sfv_len);
                        }

                        cpy_rqst -= sizeof (snd[0]);
                        snd_ptr++;
                }

                sndvec += MAX_SNDFL_PRD;
        }
        Xserialize();
}

/*ARGSUSED*/
static void
show_sendfilevec64(private_t *pri, int fd, sendfilevec64_t *sndvec, int sfvcnt)
{
        sendfilevec64_t *snd_ptr, snd[MAX_SNDFL_PRD];
        size_t cpy_rqst;

        if (data_model != PR_MODEL_LP64) {
                show_ksendfilevec64(pri, fd,
                    (ksendfilevec64_t *)sndvec, sfvcnt);
                return;
        }

        Eserialize();
        while (sfvcnt > 0) {
                cpy_rqst = MIN(sfvcnt, MAX_SNDFL_PRD);
                sfvcnt -= cpy_rqst;
                cpy_rqst *= sizeof (snd[0]);

                if (Pread(Proc, snd, cpy_rqst, (uintptr_t)sndvec) != cpy_rqst)
                        break;

                snd_ptr = &snd[0];

                while (cpy_rqst) {
                        (void) printf(
                            "sfv_fd=%d\tsfv_flag=0x%x\t"
                            "sfv_off=%ld\tsfv_len=%lu\n",
                            snd_ptr->sfv_fd,
                            snd_ptr->sfv_flag,
                            snd_ptr->sfv_off,
                            (ulong_t)snd_ptr->sfv_len);

                        if (snd_ptr->sfv_fd == SFV_FD_SELF &&
                            prismember(&writefd, fd)) {
                                showbuffer(pri, (long)snd_ptr->sfv_off,
                                    (long)snd_ptr->sfv_len);
                        }

                        cpy_rqst -= sizeof (snd[0]);
                        snd_ptr++;
                }

                sndvec += MAX_SNDFL_PRD;
        }
        Xserialize();
}

static void
show_memcntl_mha(private_t *pri, long offset)
{
        struct memcntl_mha mha;
        const char *s = NULL;

        if (Pread(Proc, &mha, sizeof (mha), offset) == sizeof (mha)) {
                switch (mha.mha_cmd) {
                case MHA_MAPSIZE_VA:        s = "MHA_MAPSIZE_VA";       break;
                case MHA_MAPSIZE_BSSBRK:    s = "MHA_MAPSIZE_BSSBRK";   break;
                case MHA_MAPSIZE_STACK:     s = "MHA_MAPSIZE_STACK";    break;
                }
                if (s)
                        (void) printf("%s\tmha_cmd=%s mha_flags=0x%x"
                            " mha_pagesize=%lu\n",
                            pri->pname, s, mha.mha_flags,
                            (ulong_t)mha.mha_pagesize);
                else
                        (void) printf("%s\tmha_cmd=0x%.8x mha_flags=0x%x"
                            " mha_pagesize=%lu\n",
                            pri->pname, mha.mha_cmd, mha.mha_flags,
                            (ulong_t)mha.mha_pagesize);
        }
}


static void
show_memcntl_mha32(private_t *pri, long offset)
{
        struct memcntl_mha32 mha32;
        const char *s = NULL;

        if (Pread(Proc, &mha32, sizeof (mha32), offset) ==
            sizeof (mha32)) {
                switch (mha32.mha_cmd) {
                case MHA_MAPSIZE_VA:        s = "MHA_MAPSIZE_VA";       break;
                case MHA_MAPSIZE_BSSBRK:    s = "MHA_MAPSIZE_BSSBRK";   break;
                case MHA_MAPSIZE_STACK:     s = "MHA_MAPSIZE_STACK";    break;
                }
                if (s)
                        (void) printf("%s\tmha_cmd=%s mha_flags=0x%x"
                            " mha_pagesize=%u\n",
                            pri->pname, s, mha32.mha_flags, mha32.mha_pagesize);
                else
                        (void) printf("%s\tmha_cmd=0x%.8x mha_flags=0x%x"
                            " mha_pagesize=%u\n",
                            pri->pname, mha32.mha_cmd, mha32.mha_flags,
                            mha32.mha_pagesize);
        }
}


static void
show_memcntl(private_t *pri)
{

        if ((int)pri->sys_args[2] != MC_HAT_ADVISE)
                return;
        if (data_model == PR_MODEL_LP64)
                show_memcntl_mha(pri, (long)pri->sys_args[3]);
        else
                show_memcntl_mha32(pri, (long)pri->sys_args[3]);
}

void
show_ids(private_t *pri, long offset, int count)
{
        id_t buf[MYBUFSIZ / sizeof (id_t)];
        id_t *idp;
        int serial = (count > MYBUFSIZ / 48);

        if (offset == 0)
                return;

        /* enter region of lengthy output */
        if (serial)
                Eserialize();

        while (count > 0 && !interrupt) {
                ssize_t nb = (count * sizeof (id_t) < MYBUFSIZ)?
                    count * sizeof (id_t) : MYBUFSIZ;

                if ((nb = Pread(Proc, &buf[0], (size_t)nb, offset)) < 0 ||
                    nb < sizeof (id_t))
                        break;

                idp = buf;
                while (!interrupt && nb >= sizeof (id_t)) {
                        (void) printf("%s\t%8d\n", pri->pname, (int)*idp);
                        offset += sizeof (id_t);
                        nb -= sizeof (id_t);
                        idp++;
                        count--;
                }
        }

        /* exit region of lengthy output */
        if (serial)
                Xserialize();
}

void
show_ntp_gettime(private_t *pri)
{
        struct ntptimeval ntv;
        long offset;

        if (pri->sys_nargs < 1 || (offset = pri->sys_args[0]) == 0)
                return;

        if (data_model == PR_MODEL_NATIVE) {
                if (Pread(Proc, &ntv, sizeof (ntv), offset)
                    != sizeof (ntv))
                        return;
        } else {
                struct ntptimeval32 ntv32;

                if (Pread(Proc, &ntv32, sizeof (ntv32), offset)
                    != sizeof (ntv32))
                        return;

                TIMEVAL32_TO_TIMEVAL(&ntv.time, &ntv32.time);
                ntv.maxerror = ntv32.maxerror;
                ntv.esterror = ntv32.esterror;
        }

        (void) printf("\ttime:     %ld.%6.6ld sec\n",
            ntv.time.tv_sec, ntv.time.tv_usec);
        (void) printf("\tmaxerror: %11d usec\n", ntv.maxerror);
        (void) printf("\testerror: %11d usec\n", ntv.esterror);
}

static char *
get_timex_modes(private_t *pri, uint32_t val)
{
        char *str = pri->code_buf;
        size_t used = 0;

        *str = '\0';
        if (val & MOD_OFFSET)
                used = strlcat(str, "|MOD_OFFSET", sizeof (pri->code_buf));
        if (val & MOD_FREQUENCY)
                used = strlcat(str, "|MOD_FREQUENCY", sizeof (pri->code_buf));
        if (val & MOD_MAXERROR)
                used = strlcat(str, "|MOD_MAXERROR", sizeof (pri->code_buf));
        if (val & MOD_ESTERROR)
                used = strlcat(str, "|MOD_ESTERROR", sizeof (pri->code_buf));
        if (val & MOD_STATUS)
                used = strlcat(str, "|MOD_STATUS", sizeof (pri->code_buf));
        if (val & MOD_TIMECONST)
                used = strlcat(str, "|MOD_TIMECONST", sizeof (pri->code_buf));
        if (val & MOD_CLKB)
                used = strlcat(str, "|MOD_CLKB", sizeof (pri->code_buf));
        if (val & MOD_CLKA)
                used = strlcat(str, "|MOD_CLKA", sizeof (pri->code_buf));

        if (used == 0 || used >= sizeof (pri->code_buf))
                (void) snprintf(str, sizeof (pri->code_buf), " 0x%.4x", val);

        return (str + 1);
}

static char *
get_timex_status(private_t *pri, int32_t val)
{
        char *str = pri->code_buf;
        size_t used = 0;

        *str = '\0';
        if (val & STA_PLL)
                used = strlcat(str, "|STA_PLL", sizeof (pri->code_buf));
        if (val & STA_PPSFREQ)
                used = strlcat(str, "|STA_PPSFREQ", sizeof (pri->code_buf));
        if (val & STA_PPSTIME)
                used = strlcat(str, "|STA_PPSTIME", sizeof (pri->code_buf));
        if (val & STA_FLL)
                used = strlcat(str, "|STA_FLL", sizeof (pri->code_buf));

        if (val & STA_INS)
                used = strlcat(str, "|STA_INS", sizeof (pri->code_buf));
        if (val & STA_DEL)
                used = strlcat(str, "|STA_DEL", sizeof (pri->code_buf));
        if (val & STA_UNSYNC)
                used = strlcat(str, "|STA_UNSYNC", sizeof (pri->code_buf));
        if (val & STA_FREQHOLD)
                used = strlcat(str, "|STA_FREQHOLD", sizeof (pri->code_buf));

        if (val & STA_PPSSIGNAL)
                used = strlcat(str, "|STA_PPSSIGNAL", sizeof (pri->code_buf));
        if (val & STA_PPSJITTER)
                used = strlcat(str, "|STA_PPSJITTER", sizeof (pri->code_buf));
        if (val & STA_PPSWANDER)
                used = strlcat(str, "|STA_PPSWANDER", sizeof (pri->code_buf));
        if (val & STA_PPSERROR)
                used = strlcat(str, "|STA_PPSERROR", sizeof (pri->code_buf));

        if (val & STA_CLOCKERR)
                used = strlcat(str, "|STA_CLOCKERR", sizeof (pri->code_buf));

        if (used == 0 || used >= sizeof (pri->code_buf))
                (void) snprintf(str, sizeof (pri->code_buf), " 0x%.4x", val);

        return (str + 1);
}

void
show_ntp_adjtime(private_t *pri)
{
        struct timex timex;
        long offset;

        if (pri->sys_nargs < 1 || (offset = pri->sys_args[0]) == 0)
                return;

        if (Pread(Proc, &timex, sizeof (timex), offset) != sizeof (timex))
                return;

        (void) printf("\tmodes:     %s\n", get_timex_modes(pri, timex.modes));
        (void) printf("\toffset:    %11d usec\n", timex.offset);
        (void) printf("\tfreq:      %11d scaled ppm\n", timex.freq);
        (void) printf("\tmaxerror:  %11d usec\n", timex.maxerror);
        (void) printf("\testerror:  %11d usec\n", timex.esterror);
        (void) printf("\tstatus:    %s\n", get_timex_status(pri, timex.status));
        (void) printf("\tconstant:  %11d\n", timex.constant);
        (void) printf("\tprecision: %11d usec\n", timex.precision);
        (void) printf("\ttolerance: %11d scaled ppm\n", timex.tolerance);
        (void) printf("\tppsfreq:   %11d scaled ppm\n", timex.ppsfreq);
        (void) printf("\tjitter:    %11d usec\n", timex.jitter);
        (void) printf("\tshift:     %11d sec\n", timex.shift);
        (void) printf("\tstabil:    %11d scaled ppm\n", timex.stabil);
        (void) printf("\tjitcnt:    %11d\n", timex.jitcnt);
        (void) printf("\tcalcnt:    %11d\n", timex.calcnt);
        (void) printf("\terrcnt:    %11d\n", timex.errcnt);
        (void) printf("\tstbcnt:    %11d\n", timex.stbcnt);
}

void
show_getrusage(long offset)
{
        struct rusage r;
        if (Pread(Proc, &r, sizeof (r), offset) != sizeof (r))
                return;
        (void) printf("\t       user time: %ld.%6.6ld sec\n",
            r.ru_utime.tv_sec,
            r.ru_utime.tv_usec);
        (void) printf("\t     system time: %ld.%6.6ld sec\n",
            r.ru_stime.tv_sec,
            r.ru_stime.tv_usec);
        (void) printf("\t         max rss: <unimpl> %ld\n",
            r.ru_maxrss);
        (void) printf("\t     shared data: <unimpl> %ld\n",
            r.ru_ixrss);
        (void) printf("\t   unshared data: <unimpl> %ld\n",
            r.ru_idrss);
        (void) printf("\t  unshared stack: <unimpl> %ld\n",
            r.ru_isrss);
        (void) printf("\t    minor faults: %ld\n",
            r.ru_minflt);
        (void) printf("\t    major faults: %ld\n",
            r.ru_majflt);
        (void) printf("\t      # of swaps: %ld\n",
            r.ru_nswap);
        (void) printf("\t  blocked inputs: %ld\n",
            r.ru_inblock);
        (void) printf("\t blocked outputs: %ld\n",
            r.ru_oublock);
        (void) printf("\t       msgs sent: %ld\n",
            r.ru_msgsnd);
        (void) printf("\t      msgs rcv'd: %ld\n",
            r.ru_msgrcv);
        (void) printf("\t   signals rcv'd: %ld\n",
            r.ru_nsignals);
        (void) printf("\tvol cntxt swtchs: %ld\n",
            r.ru_nvcsw);
        (void) printf("\tinv cntxt swtchs: %ld\n",
            r.ru_nivcsw);
}

void
show_getrusage32(long offset)
{
        struct rusage32 r;
        if (Pread(Proc, &r, sizeof (r), offset) != sizeof (r))
                return;
        (void) printf("\t       user time: %d.%6.6d sec\n",
            r.ru_utime.tv_sec,
            r.ru_utime.tv_usec);
        (void) printf("\t     system time: %d.%6.6d sec\n",
            r.ru_stime.tv_sec,
            r.ru_stime.tv_usec);
        (void) printf("\t         max rss: <unimpl> %d\n",
            r.ru_maxrss);
        (void) printf("\t     shared data: <unimpl> %d\n",
            r.ru_ixrss);
        (void) printf("\t   unshared data: <unimpl> %d\n",
            r.ru_idrss);
        (void) printf("\t  unshared stack: <unimpl> %d\n",
            r.ru_isrss);
        (void) printf("\t    minor faults: %d\n",
            r.ru_minflt);
        (void) printf("\t    major faults: %d\n",
            r.ru_majflt);
        (void) printf("\t      # of swaps: %d\n",
            r.ru_nswap);
        (void) printf("\t  blocked inputs: %d\n",
            r.ru_inblock);
        (void) printf("\t blocked outputs: %d\n",
            r.ru_oublock);
        (void) printf("\t       msgs sent: %d\n",
            r.ru_msgsnd);
        (void) printf("\t      msgs rcv'd: %d\n",
            r.ru_msgrcv);
        (void) printf("\t   signals rcv'd: %d\n",
            r.ru_nsignals);
        (void) printf("\tvol cntxt swtchs: %d\n",
            r.ru_nvcsw);
        (void) printf("\tinv cntxt swtchs: %d\n",
            r.ru_nivcsw);
}

/*
 * Utility function to print a packed nvlist by unpacking
 * and calling the libnvpair pretty printer.  Frees all
 * allocated memory internally.
 */
static void
show_packed_nvlist(private_t *pri, uintptr_t offset, size_t size)
{
        nvlist_t *nvl = NULL;
        size_t readsize;
        char *buf;

        if ((offset == 0) || (size == 0)) {
                return;
        }

        buf = my_malloc(size, "nvlist decode buffer");
        readsize = Pread(Proc, buf, size, offset);
        if (readsize != size) {
                (void) printf("%s\t<?>", pri->pname);
        } else {
                int result;

                result = nvlist_unpack(buf, size, &nvl, 0);
                if (result == 0) {
                        dump_nvlist(nvl, 8);
                        nvlist_free(nvl);
                } else {
                        (void) printf("%s\tunpack of nvlist"
                            " failed: %d\n", pri->pname, result);
                }
        }
        free(buf);
}

static void
show_zone_create_args(private_t *pri, long offset)
{
        zone_def args;
        char zone_name[ZONENAME_MAX];
        char zone_root[MAXPATHLEN];
        char *zone_zfs = NULL;

        if (Pread(Proc, &args, sizeof (args), offset) == sizeof (args)) {

                if (Pread_string(Proc, zone_name, sizeof (zone_name),
                    (uintptr_t)args.zone_name) == -1)
                        (void) strcpy(zone_name, "<?>");

                if (Pread_string(Proc, zone_root, sizeof (zone_root),
                    (uintptr_t)args.zone_root) == -1)
                        (void) strcpy(zone_root, "<?>");

                if (args.zfsbufsz > 0) {
                        zone_zfs = malloc(MIN(4, args.zfsbufsz));
                        if (zone_zfs != NULL) {
                                if (Pread(Proc, zone_zfs, args.zfsbufsz,
                                    (uintptr_t)args.zfsbuf) == -1)
                                        (void) strcpy(zone_zfs, "<?>");
                        }
                } else {
                        zone_zfs = "";
                }

                (void) printf("%s\t     zone_name: %s\n", pri->pname,
                    zone_name);
                (void) printf("%s\t     zone_root: %s\n", pri->pname,
                    zone_root);

                show_privset(pri, (uintptr_t)args.zone_privs,
                    args.zone_privssz, "    zone_privs: ");

                (void) printf("%s\t       rctlbuf: 0x%p\n", pri->pname,
                    (void *)args.rctlbuf);
                (void) printf("%s\t     rctlbufsz: %lu\n", pri->pname,
                    (ulong_t)args.rctlbufsz);

                show_packed_nvlist(pri, (uintptr_t)args.rctlbuf,
                    args.rctlbufsz);

                (void) printf("%s\t           zfs: %s\n", pri->pname, zone_zfs);

                (void) printf("%s\textended_error: 0x%p\n", pri->pname,
                    (void *)args.extended_error);

                if (is_system_labeled()) {
                        char            *label_str = NULL;
                        bslabel_t       zone_label;

                        (void) printf("%s\t         match: %d\n", pri->pname,
                            args.match);
                        (void) printf("%s\t           doi: %d\n", pri->pname,
                            args.doi);

                        if (Pread_string(Proc, (char *)&zone_label,
                            sizeof (zone_label), (uintptr_t)args.label) != -1) {
                                /* show the label as string */
                                if (label_to_str(&zone_label, &label_str,
                                    M_LABEL, SHORT_NAMES) != 0) {
                                        /* have to dump label as raw string */
                                        (void) label_to_str(&zone_label,
                                            &label_str, M_INTERNAL,
                                            SHORT_NAMES);
                                }
                        }

                        (void) printf("%s\t         label: %s\n",
                            pri->pname, label_str != NULL ? label_str : "<?>");
                        if (label_str)
                                free(label_str);
                }

                if (args.zfsbufsz > 0)
                        free(zone_zfs);
        }
}



static void
show_zone_create_args32(private_t *pri, long offset)
{
        zone_def32 args;
        char zone_name[ZONENAME_MAX];
        char zone_root[MAXPATHLEN];
        char *zone_zfs = NULL;

        if (Pread(Proc, &args, sizeof (args), offset) == sizeof (args)) {

                if (Pread_string(Proc, zone_name, sizeof (zone_name),
                    (uintptr_t)args.zone_name) == -1)
                        (void) strcpy(zone_name, "<?>");

                if (Pread_string(Proc, zone_root, sizeof (zone_root),
                    (uintptr_t)args.zone_root) == -1)
                        (void) strcpy(zone_root, "<?>");

                if (args.zfsbufsz > 0) {
                        zone_zfs = malloc(MIN(4, args.zfsbufsz));
                        if (zone_zfs != NULL) {
                                if (Pread(Proc, zone_zfs, args.zfsbufsz,
                                    (uintptr_t)args.zfsbuf) == -1)
                                        (void) strcpy(zone_zfs, "<?>");
                        }
                } else {
                        zone_zfs = "";
                }

                (void) printf("%s\t     zone_name: %s\n", pri->pname,
                    zone_name);
                (void) printf("%s\t     zone_root: %s\n", pri->pname,
                    zone_root);

                show_privset(pri, (uintptr_t)args.zone_privs,
                    args.zone_privssz, "    zone_privs: ");

                (void) printf("%s\t       rctlbuf: 0x%x\n", pri->pname,
                    (caddr32_t)args.rctlbuf);
                (void) printf("%s\t     rctlbufsz: %lu\n", pri->pname,
                    (ulong_t)args.rctlbufsz);

                show_packed_nvlist(pri, (uintptr_t)args.rctlbuf,
                    args.rctlbufsz);

                (void) printf("%s\t           zfs: %s\n", pri->pname, zone_zfs);

                (void) printf("%s\textended_error: 0x%x\n", pri->pname,
                    (caddr32_t)args.extended_error);

                if (is_system_labeled()) {
                        char            *label_str = NULL;
                        bslabel_t       zone_label;

                        (void) printf("%s\t         match: %d\n", pri->pname,
                            args.match);
                        (void) printf("%s\t           doi: %d\n", pri->pname,
                            args.doi);

                        if (Pread_string(Proc, (char *)&zone_label,
                            sizeof (zone_label), (caddr32_t)args.label) != -1) {
                                /* show the label as string */
                                if (label_to_str(&zone_label, &label_str,
                                    M_LABEL, SHORT_NAMES) != 0) {
                                        /* have to dump label as raw string */
                                        (void) label_to_str(&zone_label,
                                            &label_str, M_INTERNAL,
                                            SHORT_NAMES);
                                }
                        }
                        (void) printf("%s\t         label: %s\n",
                            pri->pname, label_str != NULL ? label_str : "<?>");
                        if (label_str)
                                free(label_str);
                }

                if (args.zfsbufsz > 0)
                        free(zone_zfs);
        }
}


static void
show_zones(private_t *pri)
{
        switch (pri->sys_args[0]) {
        case ZONE_CREATE:
                if (data_model == PR_MODEL_LP64)
                        show_zone_create_args(pri, (long)pri->sys_args[1]);
                else
                        show_zone_create_args32(pri, (long)pri->sys_args[1]);
                break;
        }
}

static void
show_rctlblk(private_t *pri, long _rctlblk)
{
        rctlblk_t *blk;
        int size = rctlblk_size();
        size_t readsize;
        const char *s;

        blk = my_malloc(size, "rctlblk decode buffer");
        readsize = Pread(Proc, blk, size, _rctlblk);
        if (readsize != size) {
                (void) printf("%s\t\t<?>", pri->pname);
        } else {
                (void) printf("%s\t\t     Privilege: 0x%x\n",
                    pri->pname,
                    rctlblk_get_privilege(blk));
                (void) printf("%s\t\t         Value: %lld\n",
                    pri->pname,
                    rctlblk_get_value(blk));
                (void) printf("%s\t\tEnforced Value: %lld\n",
                    pri->pname,
                    rctlblk_get_enforced_value(blk));

                {
                        int sig, act;
                        act = rctlblk_get_local_action(blk, &sig);

                        s = rctl_local_action(pri, act);
                        if (s == NULL) {
                                (void) printf("%s\t\t  Local action: 0x%x\n",
                                    pri->pname, act);
                        } else {
                                (void) printf("%s\t\t  Local action: %s\n",
                                    pri->pname, s);
                        }

                        if (act & RCTL_LOCAL_SIGNAL) {
                                (void) printf("%s\t\t                "
                                    "For signal %s\n",
                                    pri->pname, signame(pri, sig));
                        }
                }

                s = rctl_local_flags(pri, rctlblk_get_local_flags(blk));
                if (s == NULL) {
                        (void) printf("%s\t\t   Local flags: 0x%x\n",
                            pri->pname, rctlblk_get_local_flags(blk));
                } else {
                        (void) printf("%s\t\t   Local flags: %s\n",
                            pri->pname, s);
                }

                (void) printf("%s\t\t Recipient PID: %d\n",
                    pri->pname,
                    rctlblk_get_recipient_pid(blk));
                (void) printf("%s\t\t   Firing Time: %lld\n",
                    pri->pname,
                    rctlblk_get_firing_time(blk));
        }
        free(blk);
}

static void
show_rctls(private_t *pri)
{
        int entry;

        switch (pri->sys_args[0]) {
        case 0: /* getrctl */
        case 1: /* setrctl */
                /*
                 * If these offsets look a little odd, remember that they're
                 * into the _raw_ system call
                 */
                (void) printf("%s\tOld rctlblk: 0x%lx\n", pri->pname,
                    pri->sys_args[2]);
                if (pri->sys_args[2] != 0) {
                        show_rctlblk(pri, pri->sys_args[2]);
                }
                (void) printf("%s\tNew rctlblk: 0x%lx\n", pri->pname,
                    pri->sys_args[3]);
                if (pri->sys_args[3] != 0) {
                        show_rctlblk(pri, pri->sys_args[3]);
                }
                break;
        case 4: /* setprojrctl */
                for (entry = 0; entry < pri->sys_args[4]; entry++) {
                        (void) printf("%s\tNew rctlblk[%d]: 0x%lx\n",
                            pri->pname, entry,
                            (long)RCTLBLK_INC(pri->sys_args[3], entry));
                        if (RCTLBLK_INC(pri->sys_args[3], entry) != NULL) {
                                show_rctlblk(pri,
                                    (long)RCTLBLK_INC(pri->sys_args[3], entry));
                        }
                }
        }
}

void
show_utimesys(private_t *pri)
{
        switch (pri->sys_args[0]) {
        case 0:                 /* futimens() */
                if (pri->sys_nargs > 2)
                        show_utimens(pri, (long)pri->sys_args[2]);
                break;
        case 1:                 /* utimensat */
                if (pri->sys_nargs > 3)
                        show_utimens(pri, (long)pri->sys_args[3]);
                break;
        default:                /* unexpected subcode */
                break;
        }
}

static void
show_sockconfig_filter_prop32(private_t *pri, long addr)
{
        struct sockconfig_filter_props32 props;
        const char *s = NULL;
        char buf[MAX(FILNAME_MAX, MODMAXNAMELEN)];
        sof_socktuple32_t *tup;
        size_t sz;
        int i;

        if (Pread(Proc, &props, sizeof (props), addr) == sizeof (props)) {
                if (Pread_string(Proc, buf, sizeof (buf),
                    (uintptr_t)props.sfp_modname) == -1)
                        (void) strcpy(buf, "<?>");
                (void) printf("%s\tmodule name: %s\n", pri->pname, buf);
                (void) printf("%s\tattach semantics: %s", pri->pname,
                    props.sfp_autoattach ? "automatic" : "progammatic");
                if (props.sfp_autoattach) {
                        buf[0] = '\0';
                        switch (props.sfp_hint) {
                        case SOF_HINT_TOP:      s = "top"; break;
                        case SOF_HINT_BOTTOM:   s = "bottom"; break;
                        case SOF_HINT_BEFORE:
                        case SOF_HINT_AFTER:
                                s = (props.sfp_hint == SOF_HINT_BEFORE) ?
                                    "before" : "after";
                                if (Pread_string(Proc, buf, sizeof (buf),
                                    (uintptr_t)props.sfp_hintarg) == -1)
                                        (void) strcpy(buf, "<?>");
                        }
                        if (s != NULL) {
                                (void) printf(", placement: %s %s", s, buf);
                        }
                }
                (void) printf("\n");
                (void) printf("%s\tsocket tuples:\n", pri->pname);
                if (props.sfp_socktuple_cnt == 0) {
                        (void) printf("\t\t<empty>\n");
                        return;
                }
                sz = props.sfp_socktuple_cnt * sizeof (*tup);
                tup = my_malloc(sz, "socket tuple buffer");
                if (Pread(Proc, tup, sz, (uintptr_t)props.sfp_socktuple) == sz)
                        for (i = 0; i < props.sfp_socktuple_cnt; i++) {
                                (void) printf(
                                    "\t\tfamily: %d, type: %d, proto: %d\n",
                                    tup[i].sofst_family, tup[i].sofst_type,
                                    tup[i].sofst_protocol);
                        }
        }
}
static void
show_sockconfig_filter_prop(private_t *pri, long addr)
{
        struct sockconfig_filter_props props;
        const char *s = NULL;
        char buf[MAX(FILNAME_MAX, MODMAXNAMELEN)];
        sof_socktuple_t *tup;
        size_t sz;
        int i;

        if (Pread(Proc, &props, sizeof (props), addr) == sizeof (props)) {
                if (Pread_string(Proc, buf, sizeof (buf),
                    (uintptr_t)props.sfp_modname) == -1)
                        (void) strcpy(buf, "<?>");
                (void) printf("%s\tmodule name: %s\n", pri->pname, buf);
                (void) printf("%s\tattach semantics: %s", pri->pname,
                    props.sfp_autoattach ? "automatic" : "progammatic");
                if (props.sfp_autoattach) {
                        buf[0] = '\0';
                        switch (props.sfp_hint) {
                        case SOF_HINT_TOP:      s = "top"; break;
                        case SOF_HINT_BOTTOM:   s = "bottom"; break;
                        case SOF_HINT_BEFORE:
                        case SOF_HINT_AFTER:
                                s = (props.sfp_hint == SOF_HINT_BEFORE) ?
                                    "before" : "after";
                                if (Pread_string(Proc, buf, sizeof (buf),
                                    (uintptr_t)props.sfp_hintarg) == -1)
                                        (void) strcpy(buf, "<?>");
                        }
                        if (s != NULL) {
                                (void) printf(", placement: %s", s);
                        }
                }
                (void) printf("\n");
                (void) printf("%s\tsocket tuples:\n", pri->pname);
                if (props.sfp_socktuple_cnt == 0) {
                        (void) printf("\t\t<empty>\n");
                        return;
                }
                sz = props.sfp_socktuple_cnt * sizeof (*tup);
                tup = my_malloc(sz, "socket tuple buffer");
                if (Pread(Proc, tup, sz, (uintptr_t)props.sfp_socktuple) == sz)
                        for (i = 0; i < props.sfp_socktuple_cnt; i++) {
                                (void) printf(
                                    "\t\tfamily: %d, type: %d, proto: %d\n",
                                    tup[i].sofst_family, tup[i].sofst_type,
                                    tup[i].sofst_protocol);
                        }
        }
}

void
show_sockconfig(private_t *pri)
{
        switch (pri->sys_args[0]) {
        case SOCKCONFIG_ADD_FILTER:
                if (data_model == PR_MODEL_LP64)
                        show_sockconfig_filter_prop(pri,
                            (long)pri->sys_args[2]);
                else
                        show_sockconfig_filter_prop32(pri,
                            (long)pri->sys_args[2]);
                break;
        default:
                break;
        }
}

void
show_zfs_ioc(private_t *pri, long addr)
{
        static const zfs_share_t zero_share = {0};
        static const dmu_objset_stats_t zero_objstats = {0};
        static const struct drr_begin zero_drrbegin = {0};
        static const zinject_record_t zero_injectrec = {0};
        static const zfs_stat_t zero_zstat = {0};
        zfs_cmd_t zc;

        if (Pread(Proc, &zc, sizeof (zc), addr) != sizeof (zc)) {
                (void) printf(" zfs_ioctl read failed\n");
                return;
        }

        if (zc.zc_name[0])
                (void) printf("    zc_name=%s\n", zc.zc_name);
        if (zc.zc_value[0])
                (void) printf("    zc_value=%s\n", zc.zc_value);
        if (zc.zc_string[0])
                (void) printf("    zc_string=%s\n", zc.zc_string);
        if (zc.zc_guid != 0) {
                (void) printf("    zc_guid=%llu\n",
                    (u_longlong_t)zc.zc_guid);
        }
        if (zc.zc_nvlist_conf_size) {
                (void) printf("    nvlist_conf:\n");
                show_packed_nvlist(pri, zc.zc_nvlist_conf,
                    zc.zc_nvlist_conf_size);
        }
        if (zc.zc_nvlist_src_size) {
                (void) printf("    nvlist_src:\n");
                show_packed_nvlist(pri, zc.zc_nvlist_src,
                    zc.zc_nvlist_src_size);
        }
        if (zc.zc_nvlist_dst_size) {
                (void) printf("    nvlist_dst:\n");
                show_packed_nvlist(pri, zc.zc_nvlist_dst,
                    zc.zc_nvlist_dst_size);
        }
        if (zc.zc_cookie != 0) {
                (void) printf("    zc_cookie=%llu\n",
                    (u_longlong_t)zc.zc_cookie);
        }
        if (zc.zc_objset_type != 0) {
                (void) printf("    zc_objset_type=%llu\n",
                    (u_longlong_t)zc.zc_objset_type);
        }
        if (zc.zc_perm_action != 0) {
                (void) printf("    zc_perm_action=%llu\n",
                    (u_longlong_t)zc.zc_perm_action);
        }
        if (zc.zc_history != 0) {
                (void) printf("    zc_history=%llu\n",
                    (u_longlong_t)zc.zc_history);
        }
        if (zc.zc_obj != 0) {
                (void) printf("    zc_obj=%llu\n",
                    (u_longlong_t)zc.zc_obj);
        }
        if (zc.zc_iflags != 0) {
                (void) printf("    zc_obj=0x%llx\n",
                    (u_longlong_t)zc.zc_iflags);
        }

        if (memcmp(&zc.zc_share, &zero_share, sizeof (zc.zc_share))) {
                zfs_share_t *z = &zc.zc_share;
                (void) printf("    zc_share:\n");
                if (z->z_exportdata) {
                        (void) printf("\tz_exportdata=0x%llx\n",
                            (u_longlong_t)z->z_exportdata);
                }
                if (z->z_sharedata) {
                        (void) printf("\tz_sharedata=0x%llx\n",
                            (u_longlong_t)z->z_sharedata);
                }
                if (z->z_sharetype) {
                        (void) printf("\tz_sharetype=%llu\n",
                            (u_longlong_t)z->z_sharetype);
                }
                if (z->z_sharemax) {
                        (void) printf("\tz_sharemax=%llu\n",
                            (u_longlong_t)z->z_sharemax);
                }
        }

        if (memcmp(&zc.zc_objset_stats, &zero_objstats,
            sizeof (zc.zc_objset_stats))) {
                dmu_objset_stats_t *dds = &zc.zc_objset_stats;
                (void) printf("    zc_objset_stats:\n");
                if (dds->dds_num_clones) {
                        (void) printf("\tdds_num_clones=%llu\n",
                            (u_longlong_t)dds->dds_num_clones);
                }
                if (dds->dds_creation_txg) {
                        (void) printf("\tdds_creation_txg=%llu\n",
                            (u_longlong_t)dds->dds_creation_txg);
                }
                if (dds->dds_guid) {
                        (void) printf("\tdds_guid=%llu\n",
                            (u_longlong_t)dds->dds_guid);
                }
                if (dds->dds_type)
                        (void) printf("\tdds_type=%u\n", dds->dds_type);
                if (dds->dds_is_snapshot) {
                        (void) printf("\tdds_is_snapshot=%u\n",
                            dds->dds_is_snapshot);
                }
                if (dds->dds_inconsistent) {
                        (void) printf("\tdds_inconsitent=%u\n",
                            dds->dds_inconsistent);
                }
                if (dds->dds_origin[0]) {
                        (void) printf("\tdds_origin=%s\n", dds->dds_origin);
                }
        }

        if (memcmp(&zc.zc_begin_record, &zero_drrbegin,
            sizeof (zc.zc_begin_record))) {
                struct drr_begin *drr = &zc.zc_begin_record.drr_u.drr_begin;
                (void) printf("    zc_begin_record:\n");
                if (drr->drr_magic) {
                        (void) printf("\tdrr_magic=%llu\n",
                            (u_longlong_t)drr->drr_magic);
                }
                if (drr->drr_versioninfo) {
                        (void) printf("\tdrr_versioninfo=%llu\n",
                            (u_longlong_t)drr->drr_versioninfo);
                }
                if (drr->drr_creation_time) {
                        (void) printf("\tdrr_creation_time=%llu\n",
                            (u_longlong_t)drr->drr_creation_time);
                }
                if (drr->drr_type)
                        (void) printf("\tdrr_type=%u\n", drr->drr_type);
                if (drr->drr_flags)
                        (void) printf("\tdrr_flags=0x%x\n", drr->drr_flags);
                if (drr->drr_toguid) {
                        (void) printf("\tdrr_toguid=%llu\n",
                            (u_longlong_t)drr->drr_toguid);
                }
                if (drr->drr_fromguid) {
                        (void) printf("\tdrr_fromguid=%llu\n",
                            (u_longlong_t)drr->drr_fromguid);
                }
                if (drr->drr_toname[0]) {
                        (void) printf("\tdrr_toname=%s\n", drr->drr_toname);
                }
        }

        if (memcmp(&zc.zc_inject_record, &zero_injectrec,
            sizeof (zc.zc_inject_record))) {
                zinject_record_t *zi = &zc.zc_inject_record;
                (void) printf("    zc_inject_record:\n");
                if (zi->zi_objset) {
                        (void) printf("\tzi_objset=%llu\n",
                            (u_longlong_t)zi->zi_objset);
                }
                if (zi->zi_object) {
                        (void) printf("\tzi_object=%llu\n",
                            (u_longlong_t)zi->zi_object);
                }
                if (zi->zi_start) {
                        (void) printf("\tzi_start=%llu\n",
                            (u_longlong_t)zi->zi_start);
                }
                if (zi->zi_end) {
                        (void) printf("\tzi_end=%llu\n",
                            (u_longlong_t)zi->zi_end);
                }
                if (zi->zi_guid) {
                        (void) printf("\tzi_guid=%llu\n",
                            (u_longlong_t)zi->zi_guid);
                }
                if (zi->zi_level) {
                        (void) printf("\tzi_level=%lu\n",
                            (ulong_t)zi->zi_level);
                }
                if (zi->zi_error) {
                        (void) printf("\tzi_error=%lu\n",
                            (ulong_t)zi->zi_error);
                }
                if (zi->zi_type) {
                        (void) printf("\tzi_type=%llu\n",
                            (u_longlong_t)zi->zi_type);
                }
                if (zi->zi_freq) {
                        (void) printf("\tzi_freq=%lu\n",
                            (ulong_t)zi->zi_freq);
                }
                if (zi->zi_failfast) {
                        (void) printf("\tzi_failfast=%lu\n",
                            (ulong_t)zi->zi_failfast);
                }
                if (zi->zi_func[0])
                        (void) printf("\tzi_func=%s\n", zi->zi_func);
                if (zi->zi_iotype) {
                        (void) printf("\tzi_iotype=%lu\n",
                            (ulong_t)zi->zi_iotype);
                }
                if (zi->zi_duration) {
                        (void) printf("\tzi_duration=%ld\n",
                            (long)zi->zi_duration);
                }
                if (zi->zi_timer) {
                        (void) printf("\tzi_timer=%llu\n",
                            (u_longlong_t)zi->zi_timer);
                }
        }

        if (zc.zc_defer_destroy) {
                (void) printf("    zc_defer_destroy=%d\n",
                    (int)zc.zc_defer_destroy);
        }
        if (zc.zc_flags) {
                (void) printf("    zc_flags=0x%x\n",
                    zc.zc_flags);
        }
        if (zc.zc_action_handle) {
                (void) printf("    zc_action_handle=%llu\n",
                    (u_longlong_t)zc.zc_action_handle);
        }
        if (zc.zc_cleanup_fd >= 0)
                (void) printf("    zc_cleanup_fd=%d\n", zc.zc_cleanup_fd);
        if (zc.zc_sendobj) {
                (void) printf("    zc_sendobj=%llu\n",
                    (u_longlong_t)zc.zc_sendobj);
        }
        if (zc.zc_fromobj) {
                (void) printf("    zc_fromobj=%llu\n",
                    (u_longlong_t)zc.zc_fromobj);
        }
        if (zc.zc_createtxg) {
                (void) printf("    zc_createtxg=%llu\n",
                    (u_longlong_t)zc.zc_createtxg);
        }

        if (memcmp(&zc.zc_stat, &zero_zstat, sizeof (zc.zc_stat))) {
                zfs_stat_t *zs = &zc.zc_stat;
                (void) printf("    zc_stat:\n");
                if (zs->zs_gen) {
                        (void) printf("\tzs_gen=%llu\n",
                            (u_longlong_t)zs->zs_gen);
                }
                if (zs->zs_mode) {
                        (void) printf("\tzs_mode=%llu\n",
                            (u_longlong_t)zs->zs_mode);
                }
                if (zs->zs_links) {
                        (void) printf("\tzs_links=%llu\n",
                            (u_longlong_t)zs->zs_links);
                }
                if (zs->zs_ctime[0]) {
                        (void) printf("\tzs_ctime[0]=%llu\n",
                            (u_longlong_t)zs->zs_ctime[0]);
                }
                if (zs->zs_ctime[1]) {
                        (void) printf("\tzs_ctime[1]=%llu\n",
                            (u_longlong_t)zs->zs_ctime[1]);
                }
        }
}

/* expound verbosely upon syscall arguments */
/*ARGSUSED*/
void
expound(private_t *pri, long r0, int raw)
{
        const lwpstatus_t *Lsp = pri->lwpstat;
        int lp64 = (data_model == PR_MODEL_LP64);
        int what = Lsp->pr_what;
        int err = pri->Errno;           /* don't display output parameters */
                                        /* for a failed system call */
        /* for reporting sleeping system calls */
        if (what == 0 && (Lsp->pr_flags & (PR_ASLEEP|PR_VFORKP)))
                what = Lsp->pr_syscall;

        switch (what) {
        case SYS_gettimeofday:
                if (!err)
                        show_timeofday(pri);
                break;
        case SYS_getitimer:
                if (!err && pri->sys_nargs > 1)
                        show_itimerval(pri, (long)pri->sys_args[1],
                            " value");
                break;
        case SYS_setitimer:
                if (pri->sys_nargs > 1)
                        show_itimerval(pri, (long)pri->sys_args[1],
                            " value");
                if (!err && pri->sys_nargs > 2)
                        show_itimerval(pri, (long)pri->sys_args[2],
                            "ovalue");
                break;
        case SYS_stime:
                show_stime(pri);
                break;
        case SYS_times:
                if (!err)
                        show_times(pri);
                break;
        case SYS_utssys:
                if (err)
                        break;
                if (lp64)
                        show_utssys(pri, r0);
                else
                        show_utssys32(pri, r0);
                break;
        case SYS_ioctl:
                if (pri->sys_nargs >= 3) /* each case must decide for itself */
                        show_ioctl(pri, pri->sys_args[1],
                            (long)pri->sys_args[2]);
                break;
        case SYS_fstatat:
                if (!err && pri->sys_nargs >= 3)
                        show_stat(pri, (long)pri->sys_args[2]);
                break;
        case SYS_fstatat64:
                if (!err && pri->sys_nargs >= 3)
                        show_stat64_32(pri, (long)pri->sys_args[2]);
                break;
        case SYS_stat:
        case SYS_fstat:
        case SYS_lstat:
                if (!err && pri->sys_nargs >= 2)
                        show_stat(pri, (long)pri->sys_args[1]);
                break;
        case SYS_stat64:
        case SYS_fstat64:
        case SYS_lstat64:
                if (!err && pri->sys_nargs >= 2)
                        show_stat64_32(pri, (long)pri->sys_args[1]);
                break;
        case SYS_statvfs:
        case SYS_fstatvfs:
                if (err)
                        break;
                if (!lp64) {
                        show_statvfs32(pri);
                        break;
                }
                show_statvfs(pri);
                break;
        case SYS_statvfs64:
        case SYS_fstatvfs64:
                if (err)
                        break;
                show_statvfs64(pri);
                break;
        case SYS_statfs:
        case SYS_fstatfs:
                if (err)
                        break;
                if (lp64)
                        show_statfs(pri);
                else
                        show_statfs32(pri);
                break;
        case SYS_fcntl:
                show_fcntl(pri);
                break;
        case SYS_msgsys:
                show_msgsys(pri, r0); /* each case must decide for itself */
                break;
        case SYS_semsys:
                show_semsys(pri);       /* each case must decide for itself */
                break;
        case SYS_shmsys:
                show_shmsys(pri);       /* each case must decide for itself */
                break;
        case SYS_getdents:
                if (err || pri->sys_nargs <= 1 || r0 <= 0)
                        break;
                if (!lp64) {
                        show_dents32(pri, (long)pri->sys_args[1], r0);
                        break;
                }
                /* FALLTHROUGH */
        case SYS_getdents64:
                if (err || pri->sys_nargs <= 1 || r0 <= 0)
                        break;
                show_dents64(pri, (long)pri->sys_args[1], r0);
                break;
        case SYS_getmsg:
                show_gp_msg(pri, what);
                if (pri->sys_nargs > 3)
                        show_hhex_int(pri, (long)pri->sys_args[3], "flags");
                break;
        case SYS_getpmsg:
                show_gp_msg(pri, what);
                if (pri->sys_nargs > 3)
                        show_hhex_int(pri, (long)pri->sys_args[3], "band");
                if (pri->sys_nargs > 4)
                        show_hhex_int(pri, (long)pri->sys_args[4], "flags");
                break;
        case SYS_putmsg:
        case SYS_putpmsg:
                show_gp_msg(pri, what);
                break;
        case SYS_pollsys:
                show_pollsys(pri);
                break;
        case SYS_setgroups:
                if (pri->sys_nargs > 1 && (r0 = pri->sys_args[0]) > 0)
                        show_groups(pri, (long)pri->sys_args[1], r0);
                break;
        case SYS_getgroups:
                if (!err && pri->sys_nargs > 1 && pri->sys_args[0] > 0)
                        show_groups(pri, (long)pri->sys_args[1], r0);
                break;
        case SYS_sigprocmask:
                if (pri->sys_nargs > 1)
                        show_sigset(pri, (long)pri->sys_args[1], " set");
                if (!err && pri->sys_nargs > 2)
                        show_sigset(pri, (long)pri->sys_args[2], "oset");
                break;
        case SYS_sigsuspend:
        case SYS_sigtimedwait:
                if (pri->sys_nargs > 0)
                        show_sigset(pri, (long)pri->sys_args[0], "sigmask");
                if (!err && pri->sys_nargs > 1)
                        show_siginfo(pri, (long)pri->sys_args[1]);
                if (pri->sys_nargs > 2)
                        show_timestruc(pri, (long)pri->sys_args[2], "timeout");
                break;
        case SYS_sigaltstack:
                if (pri->sys_nargs > 0)
                        show_sigaltstack(pri, (long)pri->sys_args[0],
                            "new");
                if (!err && pri->sys_nargs > 1)
                        show_sigaltstack(pri, (long)pri->sys_args[1],
                            "old");
                break;
        case SYS_sigaction:
                if (pri->sys_nargs > 1)
                        show_sigaction(pri, (long)pri->sys_args[1],
                            "new", 0);
                if (!err && pri->sys_nargs > 2)
                        show_sigaction(pri, (long)pri->sys_args[2],
                            "old", r0);
                break;
        case SYS_signotify:
                if (pri->sys_nargs > 1)
                        show_siginfo(pri, (long)pri->sys_args[1]);
                break;
        case SYS_sigresend:
                if (pri->sys_nargs > 1)
                        show_siginfo(pri, (long)pri->sys_args[1]);
                if (pri->sys_nargs > 2)
                        show_sigset(pri, (long)pri->sys_args[2], "sigmask");
                break;
        case SYS_sigpending:
                if (!err && pri->sys_nargs > 1)
                        show_sigset(pri, (long)pri->sys_args[1], "sigmask");
                break;
        case SYS_waitid:
                if (!err && pri->sys_nargs > 2)
                        show_siginfo(pri, (long)pri->sys_args[2]);
                break;
        case SYS_sigsendsys:
                if (pri->sys_nargs > 0)
                        show_procset(pri, (long)pri->sys_args[0]);
                break;
        case SYS_priocntlsys:
                if (pri->sys_nargs > 1)
                        show_procset(pri, (long)pri->sys_args[1]);
                break;
        case SYS_mincore:
                if (!err && pri->sys_nargs > 2)
                        show_bool(pri, (long)pri->sys_args[2],
                            (pri->sys_args[1] + pagesize - 1) / pagesize);
                break;
        case SYS_readv:
        case SYS_writev:
                if (pri->sys_nargs > 2) {
                        int i = pri->sys_args[0]+1;
                        int showbuf = FALSE;
                        long nb = (what == SYS_readv)? r0 : 32*1024;

                        if ((what == SYS_readv && !err &&
                            prismember(&readfd, i)) ||
                            (what == SYS_writev &&
                            prismember(&writefd, i)))
                                showbuf = TRUE;
                        show_iovec(pri, (long)pri->sys_args[1],
                            pri->sys_args[2], showbuf, nb);
                }
                break;
        case SYS_getrlimit:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case SYS_setrlimit:
                if (pri->sys_nargs <= 1)
                        break;
                if (lp64)
                        show_rlimit64(pri, (long)pri->sys_args[1]);
                else
                        show_rlimit32(pri, (long)pri->sys_args[1]);
                break;
        case SYS_getrlimit64:
                if (err)
                        break;
                /*FALLTHROUGH*/
        case SYS_setrlimit64:
                if (pri->sys_nargs <= 1)
                        break;
                show_rlimit64(pri, (long)pri->sys_args[1]);
                break;
        case SYS_uname:
                if (!err && pri->sys_nargs > 0)
                        show_nuname(pri, (long)pri->sys_args[0]);
                break;
        case SYS_adjtime:
                if (!err && pri->sys_nargs > 1)
                        show_adjtime(pri, (long)pri->sys_args[0],
                            (long)pri->sys_args[1]);
                break;
        case SYS_lwp_info:
                if (!err && pri->sys_nargs > 0)
                        show_timestruc(pri, (long)pri->sys_args[0], "cpu time");
                break;
        case SYS_lwp_wait:
                if (!err && pri->sys_nargs > 1)
                        show_int(pri, (long)pri->sys_args[1], "lwpid");
                break;
        case SYS_lwp_mutex_wakeup:
        case SYS_lwp_mutex_unlock:
        case SYS_lwp_mutex_trylock:
        case SYS_lwp_mutex_register:
                if (pri->sys_nargs > 0)
                        show_mutex(pri, (long)pri->sys_args[0]);
                break;
        case SYS_lwp_mutex_timedlock:
                if (pri->sys_nargs > 0)
                        show_mutex(pri, (long)pri->sys_args[0]);
                if (pri->sys_nargs > 1)
                        show_timestruc(pri, (long)pri->sys_args[1], "timeout");
                break;
        case SYS_lwp_cond_wait:
                if (pri->sys_nargs > 0)
                        show_condvar(pri, (long)pri->sys_args[0]);
                if (pri->sys_nargs > 1)
                        show_mutex(pri, (long)pri->sys_args[1]);
                if (pri->sys_nargs > 2)
                        show_timestruc(pri, (long)pri->sys_args[2], "timeout");
                break;
        case SYS_lwp_cond_signal:
        case SYS_lwp_cond_broadcast:
                if (pri->sys_nargs > 0)
                        show_condvar(pri, (long)pri->sys_args[0]);
                break;
        case SYS_lwp_sema_trywait:
        case SYS_lwp_sema_post:
                if (pri->sys_nargs > 0)
                        show_sema(pri, (long)pri->sys_args[0]);
                break;
        case SYS_lwp_sema_timedwait:
                if (pri->sys_nargs > 0)
                        show_sema(pri, (long)pri->sys_args[0]);
                if (pri->sys_nargs > 1)
                        show_timestruc(pri, (long)pri->sys_args[1], "timeout");
                break;
        case SYS_lwp_rwlock_sys:
                if (pri->sys_nargs > 1)
                        show_rwlock(pri, (long)pri->sys_args[1]);
                if (pri->sys_nargs > 2 &&
                    (pri->sys_args[0] == 0 || pri->sys_args[0] == 1))
                        show_timestruc(pri, (long)pri->sys_args[2], "timeout");
                break;
        case SYS_lwp_create:
                /* XXX print some values in ucontext ??? */
                if (!err && pri->sys_nargs > 2)
                        show_int(pri, (long)pri->sys_args[2], "lwpid");
                break;
        case SYS_kaio:
                if (pri->sys_args[0] == AIOWAIT && !err && pri->sys_nargs > 1)
                        show_timeval(pri, (long)pri->sys_args[1], "timeout");
                break;
        case SYS_nanosleep:
                if (pri->sys_nargs > 0)
                        show_timestruc(pri, (long)pri->sys_args[0], "tmout");
                if (pri->sys_nargs > 1 && (err == 0 || err == EINTR))
                        show_timestruc(pri, (long)pri->sys_args[1], "resid");
                break;
        case SYS_privsys:
                switch (pri->sys_args[0]) {
                case PRIVSYS_SETPPRIV:
                case PRIVSYS_GETPPRIV:
                        if (!err)
                                show_privset(pri, (long)pri->sys_args[3],
                                    (size_t)pri->sys_args[4], "");
                }
                break;
        case SYS_ucredsys:
                switch (pri->sys_args[0]) {
                case UCREDSYS_UCREDGET:
                case UCREDSYS_GETPEERUCRED:
                        if (err == 0)
                                show_ucred(pri, (long)pri->sys_args[2]);
                        break;
                }
                break;
        case SYS_bind:
        case SYS_connect:
                if (pri->sys_nargs > 2)
                        show_sockaddr(pri, "name", (long)pri->sys_args[1],
                            0, (long)pri->sys_args[2]);
                break;
        case SYS_sendto:
                if (pri->sys_nargs > 5)
                        show_sockaddr(pri, "to", (long)pri->sys_args[4], 0,
                            pri->sys_args[5]);
                break;
        case SYS_accept:
                if (!err && pri->sys_nargs > 2)
                        show_sockaddr(pri, "name", (long)pri->sys_args[1],
                            (long)pri->sys_args[2], 0);
                break;
        case SYS_getsockname:
        case SYS_getpeername:
                if (!err && pri->sys_nargs > 2)
                        show_sockaddr(pri, "name", (long)pri->sys_args[1],
                            (long)pri->sys_args[2], 0);
                break;
        case SYS_cladm:
                if (!err && pri->sys_nargs > 2)
                        show_cladm(pri, pri->sys_args[0], pri->sys_args[1],
                            (long)pri->sys_args[2]);
                break;
        case SYS_recvfrom:
                if (!err && pri->sys_nargs > 5)
                        show_sockaddr(pri, "from", (long)pri->sys_args[4],
                            (long)pri->sys_args[5], 0);
                break;
        case SYS_recvmsg:
                if (err)
                        break;
                /* FALLTHROUGH */
        case SYS_sendmsg:
                if (pri->sys_nargs <= 2)
                        break;
                if (lp64)
                        show_msghdr(pri, pri->sys_args[1]);
                else
                        show_msghdr32(pri, pri->sys_args[1]);
                break;
        case SYS_door:
                show_doors(pri);
                break;
        case SYS_sendfilev:
                if (pri->sys_nargs != 5)
                        break;

                if (pri->sys_args[0] == SENDFILEV) {
                        show_sendfilevec(pri, (int)pri->sys_args[1],
                            (sendfilevec_t *)pri->sys_args[2],
                            (int)pri->sys_args[3]);
                } else if (pri->sys_args[0] == SENDFILEV64) {
                        show_sendfilevec64(pri, (int)pri->sys_args[1],
                            (sendfilevec64_t *)pri->sys_args[2],
                            (int)pri->sys_args[3]);
                }
                break;
        case SYS_memcntl:
                show_memcntl(pri);
                break;
        case SYS_lwp_park:
                /*
                 * subcode 0: lwp_park(timespec_t *, id_t)
                 * subcode 4: lwp_set_park(timespec_t *, id_t)
                 */
                if (pri->sys_nargs > 1 &&
                    (pri->sys_args[0] == 0 || pri->sys_args[0] == 4))
                        show_timestruc(pri, (long)pri->sys_args[1], "timeout");
                /* subcode 2: lwp_unpark_all(id_t *, int) */
                if (pri->sys_nargs > 2 && pri->sys_args[0] == 2)
                        show_ids(pri, (long)pri->sys_args[1],
                            (int)pri->sys_args[2]);
                break;
        case SYS_ntp_gettime:
                if (!err)
                        show_ntp_gettime(pri);
                break;
        case SYS_ntp_adjtime:
                if (!err)
                        show_ntp_adjtime(pri);
                break;
        case SYS_rusagesys:
                if (!err)
                        if (pri->sys_args[0] == _RUSAGESYS_GETRUSAGE) {
                                if (!lp64)
                                        show_getrusage32(pri->sys_args[1]);
                                else
                                        show_getrusage(pri->sys_args[1]);
                        }
                break;
        case SYS_port:
                show_ports(pri);
                break;
        case SYS_zone:
                show_zones(pri);
                break;
        case SYS_rctlsys:
                show_rctls(pri);
                break;
        case SYS_utimesys:
                show_utimesys(pri);
                break;
        case SYS_sockconfig:
                show_sockconfig(pri);
                break;
        }
}