time.c - platform/external/strace - Gitiles

 /*
  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  *	$Id$
  */

 #include "defs.h"

 #ifdef LINUX
 #include <linux/version.h>
 #include <sys/timex.h>
 #include <linux/ioctl.h>
 #include <linux/rtc.h>

 #ifndef UTIME_NOW
 #define UTIME_NOW ((1l << 30) - 1l)
 #endif
 #ifndef UTIME_OMIT
 #define UTIME_OMIT ((1l << 30) - 2l)
 #endif
 #endif /* LINUX */

 struct timeval32
 {
 	u_int32_t tv_sec, tv_usec;
 };

 static void
 tprint_timeval32(struct tcb *tcp, const struct timeval32 *tv)
 {
 	tprintf("{%u, %u}", tv->tv_sec, tv->tv_usec);
 }

 static void
 tprint_timeval(struct tcb *tcp, const struct timeval *tv)
 {
 	tprintf("{%lu, %lu}",
 		(unsigned long) tv->tv_sec, (unsigned long) tv->tv_usec);
 }

 void
 printtv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness, int special)
 {
 	if (addr == 0)
 		tprintf("NULL");
 	else if (!verbose(tcp))
 		tprintf("%#lx", addr);
 	else
 	{
 		int     rc;

 		if (bitness == BITNESS_32
 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		    || personality_wordsize[current_personality] == 4
 #endif
 			)
 		{
 			struct timeval32 tv;

 			if ((rc = umove(tcp, addr, &tv)) >= 0) {
 				if (special && tv.tv_sec == 0 &&
 				    tv.tv_usec == UTIME_NOW)
 					tprintf("UTIME_NOW");
 				else if (special && tv.tv_sec == 0 &&
 					 tv.tv_usec == UTIME_OMIT)
 					tprintf("UTIME_OMIT");
 				else
 					tprint_timeval32(tcp, &tv);
 			}
 		} else
 		{
 			struct timeval tv;

 			if ((rc = umove(tcp, addr, &tv)) >= 0) {
 				if (special && tv.tv_sec == 0 &&
 				    tv.tv_usec == UTIME_NOW)
 					tprintf("UTIME_NOW");
 				else if (special && tv.tv_sec == 0 &&
 					 tv.tv_usec == UTIME_OMIT)
 					tprintf("UTIME_OMIT");
 				else
 					tprint_timeval(tcp, &tv);
 			}
 		}

 		if (rc < 0)
 			tprintf("{...}");
 	}
 }

 void
 sprinttv(struct tcb *tcp, long addr, enum bitness_t bitness, char *buf)
 {
 	if (addr == 0)
 		strcpy(buf, "NULL");
 	else if (!verbose(tcp))
 		sprintf(buf, "%#lx", addr);
 	else
 	{
 		int     rc;

 		if (bitness == BITNESS_32
 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		    || personality_wordsize[current_personality] == 4
 #endif
 			)
 		{
 			struct timeval32 tv;

 			if ((rc = umove(tcp, addr, &tv)) >= 0)
 				sprintf(buf, "{%u, %u}",
 					tv.tv_sec, tv.tv_usec);
 		} else
 		{
 			struct timeval tv;

 			if ((rc = umove(tcp, addr, &tv)) >= 0)
 				sprintf(buf, "{%lu, %lu}",
 					(unsigned long) tv.tv_sec,
 					(unsigned long) tv.tv_usec);
 		}

 		if (rc < 0)
 			strcpy(buf, "{...}");
 	}
 }

 void print_timespec (struct tcb *tcp, long addr)
 {
 	if (addr == 0)
 		tprintf("NULL");
 	else if (!verbose(tcp))
 		tprintf("%#lx", addr);
 	else {
 		int     rc;

 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		if (personality_wordsize[current_personality] == 4)
 		{
 			struct timeval32 tv;

 			if ((rc = umove(tcp, addr, &tv)) >= 0)
 				tprintf("{%u, %u}",
 					tv.tv_sec, tv.tv_usec);
 		} else
 		{
 #endif
 			struct timespec ts;

 			if ((rc = umove(tcp, addr, &ts)) >= 0)
 				tprintf("{%lu, %lu}",
 					(unsigned long) ts.tv_sec,
 					(unsigned long) ts.tv_nsec);
 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		}
 #endif

 		if (rc < 0)
 			tprintf("{...}");
 	}
 }

 void sprint_timespec (char *buf, struct tcb *tcp, long addr)
 {
 	if (addr == 0)
 		strcpy(buf, "NULL");
 	else if (!verbose(tcp))
 		sprintf(buf, "%#lx", addr);
 	else {
 		int     rc;

 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		if (personality_wordsize[current_personality] == 4)
 		{
 			struct timeval32 tv;

 			if ((rc = umove(tcp, addr, &tv)) >= 0)
 				sprintf(buf, "{%u, %u}",
 					tv.tv_sec, tv.tv_usec);
 		} else
 		{
 #endif
 			struct timespec ts;

 			if ((rc = umove(tcp, addr, &ts)) >= 0)
 				sprintf(buf, "{%lu, %lu}",
 					(unsigned long) ts.tv_sec,
 					(unsigned long) ts.tv_nsec);
 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		}
 #endif

 		if (rc < 0)
 			strcpy(buf, "{...}");
 	}
 }

 int
 sys_time(tcp)
 struct tcb *tcp;
 {
 	if (exiting(tcp)) {
 #ifndef SVR4
 		printnum(tcp, tcp->u_arg[0], "%ld");
 #endif /* SVR4 */
 	}
 	return 0;
 }

 int
 sys_stime(tcp)
 struct tcb *tcp;
 {
 	if (exiting(tcp)) {
 		printnum(tcp, tcp->u_arg[0], "%ld");
 	}
 	return 0;
 }

 int
 sys_gettimeofday(tcp)
 struct tcb *tcp;
 {
 	if (exiting(tcp)) {
 		if (syserror(tcp)) {
 			tprintf("%#lx, %#lx",
 				tcp->u_arg[0], tcp->u_arg[1]);
 			return 0;
 		}
 		printtv(tcp, tcp->u_arg[0]);
 #ifndef SVR4
 		tprintf(", ");
 		printtv(tcp, tcp->u_arg[1]);
 #endif /* !SVR4 */
 	}
 	return 0;
 }


 #ifdef ALPHA
 int
 sys_osf_gettimeofday(tcp)
 struct tcb *tcp;
 {
     if (exiting(tcp)) {
 	if (syserror(tcp)) {
 	    tprintf("%#lx, %#lx",
 		    tcp->u_arg[0], tcp->u_arg[1]);
 	    return 0;
 	}
 	printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32, 0);
 #ifndef SVR4
 	tprintf(", ");
 	printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
 #endif /* !SVR4 */
     }
     return 0;
 }
 #endif

 int
 sys_settimeofday(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printtv(tcp, tcp->u_arg[0]);
 #ifndef SVR4
 		tprintf(", ");
 		printtv(tcp, tcp->u_arg[1]);
 #endif /* !SVR4 */
 	}
 	return 0;
 }

 #ifdef ALPHA
 int
 sys_osf_settimeofday(tcp)
 struct tcb *tcp;
 {
     if (entering(tcp)) {
 	printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32, 0);
 #ifndef SVR4
 	tprintf(", ");
 	printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
 #endif /* !SVR4 */
     }
     return 0;
 }
 #endif

 int
 sys_adjtime(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printtv(tcp, tcp->u_arg[0]);
 		tprintf(", ");
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[1]);
 		else
 			printtv(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }

 int
 sys_nanosleep(struct tcb *tcp)
 {
 	if (entering(tcp)) {
 		print_timespec(tcp, tcp->u_arg[0]);
 		tprintf(", ");
 	} else {
 		if (!tcp->u_arg[1] || is_restart_error(tcp))
 			print_timespec(tcp, tcp->u_arg[1]);
 		else
 			tprintf("%#lx", tcp->u_arg[1]);
 	}
 	return 0;
 }

 static const struct xlat which[] = {
 	{ ITIMER_REAL,	"ITIMER_REAL"	},
 	{ ITIMER_VIRTUAL,"ITIMER_VIRTUAL"},
 	{ ITIMER_PROF,	"ITIMER_PROF"	},
 	{ 0,		NULL		},
 };

 static void
 printitv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness)
 {
 	if (addr == 0)
 		tprintf("NULL");
 	else if (!verbose(tcp))
 		tprintf("%#lx", addr);
 	else
 	{
 		int     rc;

 		if (bitness == BITNESS_32
 #if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
 		    || personality_wordsize[current_personality] == 4
 #endif
 			)
 		{
 			struct
 			{
 				struct timeval32 it_interval, it_value;
 			} itv;

 			if ((rc = umove(tcp, addr, &itv)) >= 0) {
 				tprintf("{it_interval=");
 				tprint_timeval32(tcp, &itv.it_interval);
 				tprintf(", it_value=");
 				tprint_timeval32(tcp, &itv.it_value);
 				tprintf("}");
 			}
 		} else
 		{
 			struct itimerval itv;

 			if ((rc = umove(tcp, addr, &itv)) >= 0)	{
 				tprintf("{it_interval=");
 				tprint_timeval(tcp, &itv.it_interval);
 				tprintf(", it_value=");
 				tprint_timeval(tcp, &itv.it_value);
 				tprintf("}");
 			}
 		}

 		if (rc < 0)
 			tprintf("{...}");
 	}
 }

 #define printitv(tcp, addr)	\
 	printitv_bitness((tcp), (addr), BITNESS_CURRENT)

 int
 sys_getitimer(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printxval(which, tcp->u_arg[0], "ITIMER_???");
 		tprintf(", ");
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[1]);
 		else
 			printitv(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }


 #ifdef ALPHA
 int
 sys_osf_getitimer(tcp)
 struct tcb *tcp;
 {
     if (entering(tcp)) {
 	printxval(which, tcp->u_arg[0], "ITIMER_???");
 	tprintf(", ");
     } else {
 	if (syserror(tcp))
 	    tprintf("%#lx", tcp->u_arg[1]);
 	else
 	    printitv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
     }
     return 0;
 }
 #endif

 int
 sys_setitimer(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printxval(which, tcp->u_arg[0], "ITIMER_???");
 		tprintf(", ");
 		printitv(tcp, tcp->u_arg[1]);
 		tprintf(", ");
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[2]);
 		else
 			printitv(tcp, tcp->u_arg[2]);
 	}
 	return 0;
 }

 #ifdef ALPHA
 int
 sys_osf_setitimer(tcp)
 struct tcb *tcp;
 {
     if (entering(tcp)) {
 	printxval(which, tcp->u_arg[0], "ITIMER_???");
 	tprintf(", ");
 	printitv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
 	tprintf(", ");
     } else {
 	if (syserror(tcp))
 	    tprintf("%#lx", tcp->u_arg[2]);
 	else
 	    printitv_bitness(tcp, tcp->u_arg[2], BITNESS_32);
     }
     return 0;
 }
 #endif

 #ifdef LINUX

 static const struct xlat adjtimex_modes[] = {
   { 0, "0" },
 #ifdef ADJ_OFFSET
   { ADJ_OFFSET, "ADJ_OFFSET" },
 #endif
 #ifdef ADJ_FREQUENCY
   { ADJ_FREQUENCY, "ADJ_FREQUENCY" },
 #endif
 #ifdef ADJ_MAXERROR
   { ADJ_MAXERROR, "ADJ_MAXERROR" },
 #endif
 #ifdef ADJ_ESTERROR
   { ADJ_ESTERROR, "ADJ_ESTERROR" },
 #endif
 #ifdef ADJ_STATUS
   { ADJ_STATUS, "ADJ_STATUS" },
 #endif
 #ifdef ADJ_TIMECONST
   { ADJ_TIMECONST, "ADJ_TIMECONST" },
 #endif
 #ifdef ADJ_TICK
   { ADJ_TICK, "ADJ_TICK" },
 #endif
 #ifdef ADJ_OFFSET_SINGLESHOT
   { ADJ_OFFSET_SINGLESHOT, "ADJ_OFFSET_SINGLESHOT" },
 #endif
   { 0,             NULL }
 };

 static const struct xlat adjtimex_status[] = {
 #ifdef STA_PLL
   { STA_PLL, "STA_PLL" },
 #endif
 #ifdef STA_PPSFREQ
   { STA_PPSFREQ, "STA_PPSFREQ" },
 #endif
 #ifdef STA_PPSTIME
   { STA_PPSTIME, "STA_PPSTIME" },
 #endif
 #ifdef STA_FLL
   { STA_FLL, "STA_FLL" },
 #endif
 #ifdef STA_INS
   { STA_INS, "STA_INS" },
 #endif
 #ifdef STA_DEL
   { STA_DEL, "STA_DEL" },
 #endif
 #ifdef STA_UNSYNC
   { STA_UNSYNC, "STA_UNSYNC" },
 #endif
 #ifdef STA_FREQHOLD
   { STA_FREQHOLD, "STA_FREQHOLD" },
 #endif
 #ifdef STA_PPSSIGNAL
   { STA_PPSSIGNAL, "STA_PPSSIGNAL" },
 #endif
 #ifdef STA_PPSJITTER
   { STA_PPSJITTER, "STA_PPSJITTER" },
 #endif
 #ifdef STA_PPSWANDER
   { STA_PPSWANDER, "STA_PPSWANDER" },
 #endif
 #ifdef STA_PPSERROR
   { STA_PPSERROR, "STA_PPSERROR" },
 #endif
 #ifdef STA_CLOCKERR
   { STA_CLOCKERR, "STA_CLOCKERR" },
 #endif
   { 0,             NULL }
 };

 static const struct xlat adjtimex_state[] = {
 #ifdef TIME_OK
   { TIME_OK, "TIME_OK" },
 #endif
 #ifdef TIME_INS
   { TIME_INS, "TIME_INS" },
 #endif
 #ifdef TIME_DEL
   { TIME_DEL, "TIME_DEL" },
 #endif
 #ifdef TIME_OOP
   { TIME_OOP, "TIME_OOP" },
 #endif
 #ifdef TIME_WAIT
   { TIME_WAIT, "TIME_WAIT" },
 #endif
 #ifdef TIME_ERROR
   { TIME_ERROR, "TIME_ERROR" },
 #endif
   { 0,             NULL }
 };

 #if SUPPORTED_PERSONALITIES > 1
 static int
 tprint_timex32(struct tcb *tcp, long addr)
 {
 	struct
 	{
 		unsigned int modes;
 		int     offset;
 		int     freq;
 		int     maxerror;
 		int     esterror;
 		int     status;
 		int     constant;
 		int     precision;
 		int     tolerance;
 		struct timeval32 time;
 		int     tick;
 		int     ppsfreq;
 		int     jitter;
 		int     shift;
 		int     stabil;
 		int     jitcnt;
 		int     calcnt;
 		int     errcnt;
 		int     stbcnt;
 	} tx;

 	if (umove(tcp, addr, &tx) < 0)
 		return -1;

 	tprintf("{modes=");
 	printflags(adjtimex_modes, tx.modes, "ADJ_???");
 	tprintf(", offset=%d, freq=%d, maxerror=%d, ",
 		tx.offset, tx.freq, tx.maxerror);
 	tprintf("esterror=%u, status=", tx.esterror);
 	printflags(adjtimex_status, tx.status, "STA_???");
 	tprintf(", constant=%d, precision=%u, ",
 		tx.constant, tx.precision);
 	tprintf("tolerance=%d, time=", tx.tolerance);
 	tprint_timeval32(tcp, &tx.time);
 	tprintf(", tick=%d, ppsfreq=%d, jitter=%d",
 		tx.tick, tx.ppsfreq, tx.jitter);
 	tprintf(", shift=%d, stabil=%d, jitcnt=%d",
 		tx.shift, tx.stabil, tx.jitcnt);
 	tprintf(", calcnt=%d, errcnt=%d, stbcnt=%d",
 		tx.calcnt, tx.errcnt, tx.stbcnt);
 	tprintf("}");
 	return 0;
 }
 #endif /* SUPPORTED_PERSONALITIES > 1 */

 static int
 tprint_timex(struct tcb *tcp, long addr)
 {
 	struct timex tx;

 #if SUPPORTED_PERSONALITIES > 1
 	if (personality_wordsize[current_personality] == 4)
 		return tprint_timex32(tcp, addr);
 #endif
 	if (umove(tcp, addr, &tx) < 0)
 		return -1;

 #if LINUX_VERSION_CODE < 66332
 	tprintf("{mode=%d, offset=%ld, frequency=%ld, ",
 		tx.mode, tx.offset, tx.frequency);
 	tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
 		tx.maxerror, tx.esterror, tx.status);
 	tprintf("time_constant=%ld, precision=%lu, ",
 		tx.time_constant, tx.precision);
 	tprintf("tolerance=%ld, time=", tx.tolerance);
 	tprint_timeval(tcp, &tx.time);
 #else
 	tprintf("{modes=");
 	printflags(adjtimex_modes, tx.modes, "ADJ_???");
 	tprintf(", offset=%ld, freq=%ld, maxerror=%ld, ",
 		tx.offset, tx.freq, tx.maxerror);
 	tprintf("esterror=%lu, status=", tx.esterror);
 	printflags(adjtimex_status, tx.status, "STA_???");
 	tprintf(", constant=%ld, precision=%lu, ",
 		tx.constant, tx.precision);
 	tprintf("tolerance=%ld, time=", tx.tolerance);
 	tprint_timeval(tcp, &tx.time);
 	tprintf(", tick=%ld, ppsfreq=%ld, jitter=%ld",
 		tx.tick, tx.ppsfreq, tx.jitter);
 	tprintf(", shift=%d, stabil=%ld, jitcnt=%ld",
 		tx.shift, tx.stabil, tx.jitcnt);
 	tprintf(", calcnt=%ld, errcnt=%ld, stbcnt=%ld",
 		tx.calcnt, tx.errcnt, tx.stbcnt);
 #endif
 	tprintf("}");
 	return 0;
 }

 int
 sys_adjtimex(struct tcb *tcp)
 {
 	if (exiting(tcp)) {
 		if (tcp->u_arg[0] == 0)
 			tprintf("NULL");
 		else if (syserror(tcp) || !verbose(tcp))
 			tprintf("%#lx", tcp->u_arg[0]);
 		else if (tprint_timex(tcp, tcp->u_arg[0]) < 0)
 			tprintf("{...}");
 		if (syserror(tcp))
 			return 0;
 		tcp->auxstr = xlookup(adjtimex_state, tcp->u_rval);
 		if (tcp->auxstr)
 			return RVAL_STR;
 	}
 	return 0;
 }

 static const struct xlat clockflags[] = {
   { TIMER_ABSTIME, "TIMER_ABSTIME" },
   { 0,             NULL }
 };

 static const struct xlat clocknames[] = {
 #ifdef CLOCK_REALTIME
   { CLOCK_REALTIME, "CLOCK_REALTIME" },
 #endif
 #ifdef CLOCK_MONOTONIC
   { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" },
 #endif
   { 0,             NULL }
 };

 int
 sys_clock_settime(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 		tprintf(", ");
 		printtv(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }

 int
 sys_clock_gettime(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 		tprintf(", ");
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[1]);
 		else
 			printtv(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }

 int
 sys_clock_nanosleep(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 		tprintf(", ");
 		printflags(clockflags, tcp->u_arg[1], "TIMER_???");
 		tprintf(", ");
 		printtv(tcp, tcp->u_arg[2]);
 		tprintf(", ");
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[3]);
 		else
 			printtv(tcp, tcp->u_arg[3]);
 	}
 	return 0;
 }

 #ifndef SIGEV_THREAD_ID
 # define SIGEV_THREAD_ID 4
 #endif
 static const struct xlat sigev_value[] = {
 	{ SIGEV_SIGNAL+1, "SIGEV_SIGNAL" },
 	{ SIGEV_NONE+1, "SIGEV_NONE" },
 	{ SIGEV_THREAD+1, "SIGEV_THREAD" },
 	{ SIGEV_THREAD_ID+1, "SIGEV_THREAD_ID" },
 	{ 0, NULL }
 };

 #if SUPPORTED_PERSONALITIES > 1
 static void
 printsigevent32(struct tcb *tcp, long arg)
 {
 	struct
 	{
 		int     sigev_value;
 		int     sigev_signo;
 		int     sigev_notify;

 		union
 		{
 			int     tid;
 			struct
 			{
 				int     function, attribute;
 			} thread;
 		} un;
 	} sev;

 	if (umove(tcp, arg, &sev) < 0)
 		tprintf("{...}");
 	else
 	{
 		tprintf("{%#x, ", sev.sigev_value);
 		if (sev.sigev_notify == SIGEV_SIGNAL)
 			tprintf("%s, ", signame(sev.sigev_signo));
 		else
 			tprintf("%u, ", sev.sigev_signo);
 		printxval(sigev_value, sev.sigev_notify + 1, "SIGEV_???");
 		tprintf(", ");
 		if (sev.sigev_notify == SIGEV_THREAD_ID)
 			tprintf("{%d}", sev.un.tid);
 		else if (sev.sigev_notify == SIGEV_THREAD)
 			tprintf("{%#x, %#x}",
 				sev.un.thread.function,
 				sev.un.thread.attribute);
 		else
 			tprintf("{...}");
 		tprintf("}");
 	}
 }
 #endif

 void
 printsigevent(struct tcb *tcp, long arg)
 {
 	struct sigevent sev;

 #if SUPPORTED_PERSONALITIES > 1
 	if (personality_wordsize[current_personality] == 4)
 	{
 		printsigevent32(tcp, arg);
 		return;
 	}
 #endif
 	if (umove (tcp, arg, &sev) < 0)
 		tprintf("{...}");
 	else {
 		tprintf("{%p, ", sev.sigev_value.sival_ptr);
 		if (sev.sigev_notify == SIGEV_SIGNAL)
 			tprintf("%s, ", signame(sev.sigev_signo));
 		else
 			tprintf("%u, ", sev.sigev_signo);
 		printxval(sigev_value, sev.sigev_notify+1, "SIGEV_???");
 		tprintf(", ");
 		if (sev.sigev_notify == SIGEV_THREAD_ID)
 			/* _pad[0] is the _tid field which might not be
 			   present in the userlevel definition of the
 			   struct.  */
 			tprintf("{%d}", sev._sigev_un._pad[0]);
 		else if (sev.sigev_notify == SIGEV_THREAD)
 			tprintf("{%p, %p}", sev.sigev_notify_function,
 				sev.sigev_notify_attributes);
 		else
 			tprintf("{...}");
 		tprintf("}");
 	}
 }

 int
 sys_timer_create(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 		tprintf(", ");
 		printsigevent(tcp, tcp->u_arg[1]);
 		tprintf(", ");
 	} else {
 		void *p;

 		if (syserror(tcp) || umove(tcp, tcp->u_arg[2], &p) < 0)
 			tprintf("%#lx", tcp->u_arg[2]);
 		else
 			tprintf("{%p}", p);
 	}
 	return 0;
 }

 int
 sys_timer_settime(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		tprintf("%#lx, ", tcp->u_arg[0]);
 		printflags(clockflags, tcp->u_arg[1], "TIMER_???");
 		tprintf(", ");
 		printitv(tcp, tcp->u_arg[2]);
 		tprintf(", ");
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[3]);
 		else
 			printitv(tcp, tcp->u_arg[3]);
 	}
 	return 0;
 }

 int
 sys_timer_gettime(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		tprintf("%#lx, ", tcp->u_arg[0]);
 	} else {
 		if (syserror(tcp))
 			tprintf("%#lx", tcp->u_arg[1]);
 		else
 			printitv(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }

 static void
 print_rtc(tcp, rt)
 struct tcb *tcp;
 const struct rtc_time *rt;
 {
 	tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
 		"tm_mday=%d, tm_mon=%d, tm_year=%d, ",
 		rt->tm_sec, rt->tm_min, rt->tm_hour,
 		rt->tm_mday, rt->tm_mon, rt->tm_year);
 	if (!abbrev(tcp))
 		tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
 			rt->tm_wday, rt->tm_yday, rt->tm_isdst);
 	else
 		tprintf("...}");
 }

 int
 rtc_ioctl(tcp, code, arg)
 struct tcb *tcp;
 long code;
 long arg;
 {
 	switch (code) {
 	case RTC_ALM_SET:
 	case RTC_SET_TIME:
 		if (entering(tcp)) {
 			struct rtc_time rt;
 			if (umove(tcp, arg, &rt) < 0)
 				tprintf(", %#lx", arg);
 			else {
 				tprintf(", ");
 				print_rtc(tcp, &rt);
 			}
 		}
 		break;
 	case RTC_ALM_READ:
 	case RTC_RD_TIME:
 		if (exiting(tcp)) {
 			struct rtc_time rt;
 			if (syserror(tcp) || umove(tcp, arg, &rt) < 0)
 				tprintf(", %#lx", arg);
 			else {
 				tprintf(", ");
 				print_rtc(tcp, &rt);
 			}
 		}
 		break;
 	case RTC_IRQP_SET:
 	case RTC_EPOCH_SET:
 		if (entering(tcp))
 			tprintf(", %lu", arg);
 		break;
 	case RTC_IRQP_READ:
 	case RTC_EPOCH_READ:
 		if (exiting(tcp))
 			tprintf(", %lu", arg);
 		break;
 	case RTC_WKALM_SET:
 		if (entering(tcp)) {
 			struct rtc_wkalrm wk;
 			if (umove(tcp, arg, &wk) < 0)
 				tprintf(", %#lx", arg);
 			else {
 				tprintf(", {enabled=%d, pending=%d, ",
 					wk.enabled, wk.pending);
 				print_rtc(tcp, &wk.time);
 				tprintf("}");
 			}
 		}
 		break;
 	case RTC_WKALM_RD:
 		if (exiting(tcp)) {
 			struct rtc_wkalrm wk;
 			if (syserror(tcp) || umove(tcp, arg, &wk) < 0)
 				tprintf(", %#lx", arg);
 			else {
 				tprintf(", {enabled=%d, pending=%d, ",
 					wk.enabled, wk.pending);
 				print_rtc(tcp, &wk.time);
 				tprintf("}");
 			}
 		}
 		break;
 	default:
 		if (entering(tcp))
 			tprintf(", %#lx", arg);
 		break;
 	}
 	return 1;
 }

 #ifndef TFD_TIMER_ABSTIME
 #define TFD_TIMER_ABSTIME (1 << 0)
 #endif

 static const struct xlat timerfdflags[] = {
 	{ TFD_TIMER_ABSTIME,	"TFD_TIMER_ABSTIME"	},
 	{ 0,			NULL			}
 };

 int
 sys_timerfd(tcp)
 struct tcb *tcp;
 {
 	if (entering(tcp)) {
 		/* It does not matter that the kernel uses itimerspec.  */
 		tprintf("%ld, ", tcp->u_arg[0]);
 		printxval(clocknames, tcp->u_arg[1], "CLOCK_???");
 		tprintf(", ");
 		printflags(timerfdflags, tcp->u_arg[2], "TFD_???");
 		tprintf(", ");
 		printitv(tcp, tcp->u_arg[3]);
 	}
 	return 0;
 }

 int
 sys_timerfd_create(struct tcb *tcp)
 {
 	if (entering(tcp)) {
 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 		tprintf(", ");
 		printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
 	}
 	return 0;
 }

 int
 sys_timerfd_settime(struct tcb *tcp)
 {
 	if (entering(tcp)) {
 		tprintf("%ld, ", tcp->u_arg[0]);
 		printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
 		tprintf(", ");
 		printitv(tcp, tcp->u_arg[2]);
 		tprintf(", ");
 		printitv(tcp, tcp->u_arg[3]);
 	}
 	return 0;
 }

 int
 sys_timerfd_gettime(struct tcb *tcp)
 {
 	if (entering(tcp)) {
 		tprintf("%ld, ", tcp->u_arg[0]);
 		tprintf(", ");
 		printitv(tcp, tcp->u_arg[1]);
 	}
 	return 0;
 }

 #endif /* LINUX */
	/*
	* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
	* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
	* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. The name of the author may not be used to endorse or promote products
	* derived from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*
	* $Id$
	*/

	#include "defs.h"

	#ifdef LINUX
	#include <linux/version.h>
	#include <sys/timex.h>
	#include <linux/ioctl.h>
	#include <linux/rtc.h>

	#ifndef UTIME_NOW
	#define UTIME_NOW ((1l << 30) - 1l)
	#endif
	#ifndef UTIME_OMIT
	#define UTIME_OMIT ((1l << 30) - 2l)
	#endif
	#endif /* LINUX */

	struct timeval32
	{
	u_int32_t tv_sec, tv_usec;
	};

	static void
	tprint_timeval32(struct tcb tcp, const struct timeval32 tv)
	{
	tprintf("{%u, %u}", tv->tv_sec, tv->tv_usec);
	}

	static void
	tprint_timeval(struct tcb tcp, const struct timeval tv)
	{
	tprintf("{%lu, %lu}",
	(unsigned long) tv->tv_sec, (unsigned long) tv->tv_usec);
	}

	void
	printtv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness, int special)
	{
	if (addr == 0)
	tprintf("NULL");
	else if (!verbose(tcp))
	tprintf("%#lx", addr);
	else
	{
	int rc;

	if (bitness == BITNESS_32
	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	\|\| personality_wordsize[current_personality] == 4
	#endif
	)
	{
	struct timeval32 tv;

	if ((rc = umove(tcp, addr, &tv)) >= 0) {
	if (special && tv.tv_sec == 0 &&
	tv.tv_usec == UTIME_NOW)
	tprintf("UTIME_NOW");
	else if (special && tv.tv_sec == 0 &&
	tv.tv_usec == UTIME_OMIT)
	tprintf("UTIME_OMIT");
	else
	tprint_timeval32(tcp, &tv);
	}
	} else
	{
	struct timeval tv;

	if ((rc = umove(tcp, addr, &tv)) >= 0) {
	if (special && tv.tv_sec == 0 &&
	tv.tv_usec == UTIME_NOW)
	tprintf("UTIME_NOW");
	else if (special && tv.tv_sec == 0 &&
	tv.tv_usec == UTIME_OMIT)
	tprintf("UTIME_OMIT");
	else
	tprint_timeval(tcp, &tv);
	}
	}

	if (rc < 0)
	tprintf("{...}");
	}
	}

	void
	sprinttv(struct tcb tcp, long addr, enum bitness_t bitness, char buf)
	{
	if (addr == 0)
	strcpy(buf, "NULL");
	else if (!verbose(tcp))
	sprintf(buf, "%#lx", addr);
	else
	{
	int rc;

	if (bitness == BITNESS_32
	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	\|\| personality_wordsize[current_personality] == 4
	#endif
	)
	{
	struct timeval32 tv;

	if ((rc = umove(tcp, addr, &tv)) >= 0)
	sprintf(buf, "{%u, %u}",
	tv.tv_sec, tv.tv_usec);
	} else
	{
	struct timeval tv;

	if ((rc = umove(tcp, addr, &tv)) >= 0)
	sprintf(buf, "{%lu, %lu}",
	(unsigned long) tv.tv_sec,
	(unsigned long) tv.tv_usec);
	}

	if (rc < 0)
	strcpy(buf, "{...}");
	}
	}

	void print_timespec (struct tcb *tcp, long addr)
	{
	if (addr == 0)
	tprintf("NULL");
	else if (!verbose(tcp))
	tprintf("%#lx", addr);
	else {
	int rc;

	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	if (personality_wordsize[current_personality] == 4)
	{
	struct timeval32 tv;

	if ((rc = umove(tcp, addr, &tv)) >= 0)
	tprintf("{%u, %u}",
	tv.tv_sec, tv.tv_usec);
	} else
	{
	#endif
	struct timespec ts;

	if ((rc = umove(tcp, addr, &ts)) >= 0)
	tprintf("{%lu, %lu}",
	(unsigned long) ts.tv_sec,
	(unsigned long) ts.tv_nsec);
	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	}
	#endif

	if (rc < 0)
	tprintf("{...}");
	}
	}

	void sprint_timespec (char buf, struct tcb tcp, long addr)
	{
	if (addr == 0)
	strcpy(buf, "NULL");
	else if (!verbose(tcp))
	sprintf(buf, "%#lx", addr);
	else {
	int rc;

	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	if (personality_wordsize[current_personality] == 4)
	{
	struct timeval32 tv;

	if ((rc = umove(tcp, addr, &tv)) >= 0)
	sprintf(buf, "{%u, %u}",
	tv.tv_sec, tv.tv_usec);
	} else
	{
	#endif
	struct timespec ts;

	if ((rc = umove(tcp, addr, &ts)) >= 0)
	sprintf(buf, "{%lu, %lu}",
	(unsigned long) ts.tv_sec,
	(unsigned long) ts.tv_nsec);
	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	}
	#endif

	if (rc < 0)
	strcpy(buf, "{...}");
	}
	}

	int
	sys_time(tcp)
	struct tcb *tcp;
	{
	if (exiting(tcp)) {
	#ifndef SVR4
	printnum(tcp, tcp->u_arg[0], "%ld");
	#endif /* SVR4 */
	}
	return 0;
	}

	int
	sys_stime(tcp)
	struct tcb *tcp;
	{
	if (exiting(tcp)) {
	printnum(tcp, tcp->u_arg[0], "%ld");
	}
	return 0;
	}

	int
	sys_gettimeofday(tcp)
	struct tcb *tcp;
	{
	if (exiting(tcp)) {
	if (syserror(tcp)) {
	tprintf("%#lx, %#lx",
	tcp->u_arg[0], tcp->u_arg[1]);
	return 0;
	}
	printtv(tcp, tcp->u_arg[0]);
	#ifndef SVR4
	tprintf(", ");
	printtv(tcp, tcp->u_arg[1]);
	#endif /* !SVR4 */
	}
	return 0;
	}


	#ifdef ALPHA
	int
	sys_osf_gettimeofday(tcp)
	struct tcb *tcp;
	{
	if (exiting(tcp)) {
	if (syserror(tcp)) {
	tprintf("%#lx, %#lx",
	tcp->u_arg[0], tcp->u_arg[1]);
	return 0;
	}
	printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32, 0);
	#ifndef SVR4
	tprintf(", ");
	printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
	#endif /* !SVR4 */
	}
	return 0;
	}
	#endif

	int
	sys_settimeofday(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printtv(tcp, tcp->u_arg[0]);
	#ifndef SVR4
	tprintf(", ");
	printtv(tcp, tcp->u_arg[1]);
	#endif /* !SVR4 */
	}
	return 0;
	}

	#ifdef ALPHA
	int
	sys_osf_settimeofday(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32, 0);
	#ifndef SVR4
	tprintf(", ");
	printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
	#endif /* !SVR4 */
	}
	return 0;
	}
	#endif

	int
	sys_adjtime(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printtv(tcp, tcp->u_arg[0]);
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[1]);
	else
	printtv(tcp, tcp->u_arg[1]);
	}
	return 0;
	}

	int
	sys_nanosleep(struct tcb *tcp)
	{
	if (entering(tcp)) {
	print_timespec(tcp, tcp->u_arg[0]);
	tprintf(", ");
	} else {
	if (!tcp->u_arg[1] \|\| is_restart_error(tcp))
	print_timespec(tcp, tcp->u_arg[1]);
	else
	tprintf("%#lx", tcp->u_arg[1]);
	}
	return 0;
	}

	static const struct xlat which[] = {
	{ ITIMER_REAL, "ITIMER_REAL" },
	{ ITIMER_VIRTUAL,"ITIMER_VIRTUAL"},
	{ ITIMER_PROF, "ITIMER_PROF" },
	{ 0, NULL },
	};

	static void
	printitv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness)
	{
	if (addr == 0)
	tprintf("NULL");
	else if (!verbose(tcp))
	tprintf("%#lx", addr);
	else
	{
	int rc;

	if (bitness == BITNESS_32
	#if defined(LINUX) && SUPPORTED_PERSONALITIES > 1
	\|\| personality_wordsize[current_personality] == 4
	#endif
	)
	{
	struct
	{
	struct timeval32 it_interval, it_value;
	} itv;

	if ((rc = umove(tcp, addr, &itv)) >= 0) {
	tprintf("{it_interval=");
	tprint_timeval32(tcp, &itv.it_interval);
	tprintf(", it_value=");
	tprint_timeval32(tcp, &itv.it_value);
	tprintf("}");
	}
	} else
	{
	struct itimerval itv;

	if ((rc = umove(tcp, addr, &itv)) >= 0) {
	tprintf("{it_interval=");
	tprint_timeval(tcp, &itv.it_interval);
	tprintf(", it_value=");
	tprint_timeval(tcp, &itv.it_value);
	tprintf("}");
	}
	}

	if (rc < 0)
	tprintf("{...}");
	}
	}

	#define printitv(tcp, addr) \
	printitv_bitness((tcp), (addr), BITNESS_CURRENT)

	int
	sys_getitimer(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(which, tcp->u_arg[0], "ITIMER_???");
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[1]);
	else
	printitv(tcp, tcp->u_arg[1]);
	}
	return 0;
	}


	#ifdef ALPHA
	int
	sys_osf_getitimer(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(which, tcp->u_arg[0], "ITIMER_???");
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[1]);
	else
	printitv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
	}
	return 0;
	}
	#endif

	int
	sys_setitimer(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(which, tcp->u_arg[0], "ITIMER_???");
	tprintf(", ");
	printitv(tcp, tcp->u_arg[1]);
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[2]);
	else
	printitv(tcp, tcp->u_arg[2]);
	}
	return 0;
	}

	#ifdef ALPHA
	int
	sys_osf_setitimer(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(which, tcp->u_arg[0], "ITIMER_???");
	tprintf(", ");
	printitv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[2]);
	else
	printitv_bitness(tcp, tcp->u_arg[2], BITNESS_32);
	}
	return 0;
	}
	#endif

	#ifdef LINUX

	static const struct xlat adjtimex_modes[] = {
	{ 0, "0" },
	#ifdef ADJ_OFFSET
	{ ADJ_OFFSET, "ADJ_OFFSET" },
	#endif
	#ifdef ADJ_FREQUENCY
	{ ADJ_FREQUENCY, "ADJ_FREQUENCY" },
	#endif
	#ifdef ADJ_MAXERROR
	{ ADJ_MAXERROR, "ADJ_MAXERROR" },
	#endif
	#ifdef ADJ_ESTERROR
	{ ADJ_ESTERROR, "ADJ_ESTERROR" },
	#endif
	#ifdef ADJ_STATUS
	{ ADJ_STATUS, "ADJ_STATUS" },
	#endif
	#ifdef ADJ_TIMECONST
	{ ADJ_TIMECONST, "ADJ_TIMECONST" },
	#endif
	#ifdef ADJ_TICK
	{ ADJ_TICK, "ADJ_TICK" },
	#endif
	#ifdef ADJ_OFFSET_SINGLESHOT
	{ ADJ_OFFSET_SINGLESHOT, "ADJ_OFFSET_SINGLESHOT" },
	#endif
	{ 0, NULL }
	};

	static const struct xlat adjtimex_status[] = {
	#ifdef STA_PLL
	{ STA_PLL, "STA_PLL" },
	#endif
	#ifdef STA_PPSFREQ
	{ STA_PPSFREQ, "STA_PPSFREQ" },
	#endif
	#ifdef STA_PPSTIME
	{ STA_PPSTIME, "STA_PPSTIME" },
	#endif
	#ifdef STA_FLL
	{ STA_FLL, "STA_FLL" },
	#endif
	#ifdef STA_INS
	{ STA_INS, "STA_INS" },
	#endif
	#ifdef STA_DEL
	{ STA_DEL, "STA_DEL" },
	#endif
	#ifdef STA_UNSYNC
	{ STA_UNSYNC, "STA_UNSYNC" },
	#endif
	#ifdef STA_FREQHOLD
	{ STA_FREQHOLD, "STA_FREQHOLD" },
	#endif
	#ifdef STA_PPSSIGNAL
	{ STA_PPSSIGNAL, "STA_PPSSIGNAL" },
	#endif
	#ifdef STA_PPSJITTER
	{ STA_PPSJITTER, "STA_PPSJITTER" },
	#endif
	#ifdef STA_PPSWANDER
	{ STA_PPSWANDER, "STA_PPSWANDER" },
	#endif
	#ifdef STA_PPSERROR
	{ STA_PPSERROR, "STA_PPSERROR" },
	#endif
	#ifdef STA_CLOCKERR
	{ STA_CLOCKERR, "STA_CLOCKERR" },
	#endif
	{ 0, NULL }
	};

	static const struct xlat adjtimex_state[] = {
	#ifdef TIME_OK
	{ TIME_OK, "TIME_OK" },
	#endif
	#ifdef TIME_INS
	{ TIME_INS, "TIME_INS" },
	#endif
	#ifdef TIME_DEL
	{ TIME_DEL, "TIME_DEL" },
	#endif
	#ifdef TIME_OOP
	{ TIME_OOP, "TIME_OOP" },
	#endif
	#ifdef TIME_WAIT
	{ TIME_WAIT, "TIME_WAIT" },
	#endif
	#ifdef TIME_ERROR
	{ TIME_ERROR, "TIME_ERROR" },
	#endif
	{ 0, NULL }
	};

	#if SUPPORTED_PERSONALITIES > 1
	static int
	tprint_timex32(struct tcb *tcp, long addr)
	{
	struct
	{
	unsigned int modes;
	int offset;
	int freq;
	int maxerror;
	int esterror;
	int status;
	int constant;
	int precision;
	int tolerance;
	struct timeval32 time;
	int tick;
	int ppsfreq;
	int jitter;
	int shift;
	int stabil;
	int jitcnt;
	int calcnt;
	int errcnt;
	int stbcnt;
	} tx;

	if (umove(tcp, addr, &tx) < 0)
	return -1;

	tprintf("{modes=");
	printflags(adjtimex_modes, tx.modes, "ADJ_???");
	tprintf(", offset=%d, freq=%d, maxerror=%d, ",
	tx.offset, tx.freq, tx.maxerror);
	tprintf("esterror=%u, status=", tx.esterror);
	printflags(adjtimex_status, tx.status, "STA_???");
	tprintf(", constant=%d, precision=%u, ",
	tx.constant, tx.precision);
	tprintf("tolerance=%d, time=", tx.tolerance);
	tprint_timeval32(tcp, &tx.time);
	tprintf(", tick=%d, ppsfreq=%d, jitter=%d",
	tx.tick, tx.ppsfreq, tx.jitter);
	tprintf(", shift=%d, stabil=%d, jitcnt=%d",
	tx.shift, tx.stabil, tx.jitcnt);
	tprintf(", calcnt=%d, errcnt=%d, stbcnt=%d",
	tx.calcnt, tx.errcnt, tx.stbcnt);
	tprintf("}");
	return 0;
	}
	#endif /* SUPPORTED_PERSONALITIES > 1 */

	static int
	tprint_timex(struct tcb *tcp, long addr)
	{
	struct timex tx;

	#if SUPPORTED_PERSONALITIES > 1
	if (personality_wordsize[current_personality] == 4)
	return tprint_timex32(tcp, addr);
	#endif
	if (umove(tcp, addr, &tx) < 0)
	return -1;

	#if LINUX_VERSION_CODE < 66332
	tprintf("{mode=%d, offset=%ld, frequency=%ld, ",
	tx.mode, tx.offset, tx.frequency);
	tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
	tx.maxerror, tx.esterror, tx.status);
	tprintf("time_constant=%ld, precision=%lu, ",
	tx.time_constant, tx.precision);
	tprintf("tolerance=%ld, time=", tx.tolerance);
	tprint_timeval(tcp, &tx.time);
	#else
	tprintf("{modes=");
	printflags(adjtimex_modes, tx.modes, "ADJ_???");
	tprintf(", offset=%ld, freq=%ld, maxerror=%ld, ",
	tx.offset, tx.freq, tx.maxerror);
	tprintf("esterror=%lu, status=", tx.esterror);
	printflags(adjtimex_status, tx.status, "STA_???");
	tprintf(", constant=%ld, precision=%lu, ",
	tx.constant, tx.precision);
	tprintf("tolerance=%ld, time=", tx.tolerance);
	tprint_timeval(tcp, &tx.time);
	tprintf(", tick=%ld, ppsfreq=%ld, jitter=%ld",
	tx.tick, tx.ppsfreq, tx.jitter);
	tprintf(", shift=%d, stabil=%ld, jitcnt=%ld",
	tx.shift, tx.stabil, tx.jitcnt);
	tprintf(", calcnt=%ld, errcnt=%ld, stbcnt=%ld",
	tx.calcnt, tx.errcnt, tx.stbcnt);
	#endif
	tprintf("}");
	return 0;
	}

	int
	sys_adjtimex(struct tcb *tcp)
	{
	if (exiting(tcp)) {
	if (tcp->u_arg[0] == 0)
	tprintf("NULL");
	else if (syserror(tcp) \|\| !verbose(tcp))
	tprintf("%#lx", tcp->u_arg[0]);
	else if (tprint_timex(tcp, tcp->u_arg[0]) < 0)
	tprintf("{...}");
	if (syserror(tcp))
	return 0;
	tcp->auxstr = xlookup(adjtimex_state, tcp->u_rval);
	if (tcp->auxstr)
	return RVAL_STR;
	}
	return 0;
	}

	static const struct xlat clockflags[] = {
	{ TIMER_ABSTIME, "TIMER_ABSTIME" },
	{ 0, NULL }
	};

	static const struct xlat clocknames[] = {
	#ifdef CLOCK_REALTIME
	{ CLOCK_REALTIME, "CLOCK_REALTIME" },
	#endif
	#ifdef CLOCK_MONOTONIC
	{ CLOCK_MONOTONIC, "CLOCK_MONOTONIC" },
	#endif
	{ 0, NULL }
	};

	int
	sys_clock_settime(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
	tprintf(", ");
	printtv(tcp, tcp->u_arg[1]);
	}
	return 0;
	}

	int
	sys_clock_gettime(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[1]);
	else
	printtv(tcp, tcp->u_arg[1]);
	}
	return 0;
	}

	int
	sys_clock_nanosleep(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
	tprintf(", ");
	printflags(clockflags, tcp->u_arg[1], "TIMER_???");
	tprintf(", ");
	printtv(tcp, tcp->u_arg[2]);
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[3]);
	else
	printtv(tcp, tcp->u_arg[3]);
	}
	return 0;
	}

	#ifndef SIGEV_THREAD_ID
	# define SIGEV_THREAD_ID 4
	#endif
	static const struct xlat sigev_value[] = {
	{ SIGEV_SIGNAL+1, "SIGEV_SIGNAL" },
	{ SIGEV_NONE+1, "SIGEV_NONE" },
	{ SIGEV_THREAD+1, "SIGEV_THREAD" },
	{ SIGEV_THREAD_ID+1, "SIGEV_THREAD_ID" },
	{ 0, NULL }
	};

	#if SUPPORTED_PERSONALITIES > 1
	static void
	printsigevent32(struct tcb *tcp, long arg)
	{
	struct
	{
	int sigev_value;
	int sigev_signo;
	int sigev_notify;

	union
	{
	int tid;
	struct
	{
	int function, attribute;
	} thread;
	} un;
	} sev;

	if (umove(tcp, arg, &sev) < 0)
	tprintf("{...}");
	else
	{
	tprintf("{%#x, ", sev.sigev_value);
	if (sev.sigev_notify == SIGEV_SIGNAL)
	tprintf("%s, ", signame(sev.sigev_signo));
	else
	tprintf("%u, ", sev.sigev_signo);
	printxval(sigev_value, sev.sigev_notify + 1, "SIGEV_???");
	tprintf(", ");
	if (sev.sigev_notify == SIGEV_THREAD_ID)
	tprintf("{%d}", sev.un.tid);
	else if (sev.sigev_notify == SIGEV_THREAD)
	tprintf("{%#x, %#x}",
	sev.un.thread.function,
	sev.un.thread.attribute);
	else
	tprintf("{...}");
	tprintf("}");
	}
	}
	#endif

	void
	printsigevent(struct tcb *tcp, long arg)
	{
	struct sigevent sev;

	#if SUPPORTED_PERSONALITIES > 1
	if (personality_wordsize[current_personality] == 4)
	{
	printsigevent32(tcp, arg);
	return;
	}
	#endif
	if (umove (tcp, arg, &sev) < 0)
	tprintf("{...}");
	else {
	tprintf("{%p, ", sev.sigev_value.sival_ptr);
	if (sev.sigev_notify == SIGEV_SIGNAL)
	tprintf("%s, ", signame(sev.sigev_signo));
	else
	tprintf("%u, ", sev.sigev_signo);
	printxval(sigev_value, sev.sigev_notify+1, "SIGEV_???");
	tprintf(", ");
	if (sev.sigev_notify == SIGEV_THREAD_ID)
	/* _pad[0] is the _tid field which might not be
	present in the userlevel definition of the
	struct. */
	tprintf("{%d}", sev._sigev_un._pad[0]);
	else if (sev.sigev_notify == SIGEV_THREAD)
	tprintf("{%p, %p}", sev.sigev_notify_function,
	sev.sigev_notify_attributes);
	else
	tprintf("{...}");
	tprintf("}");
	}
	}

	int
	sys_timer_create(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
	tprintf(", ");
	printsigevent(tcp, tcp->u_arg[1]);
	tprintf(", ");
	} else {
	void *p;

	if (syserror(tcp) \|\| umove(tcp, tcp->u_arg[2], &p) < 0)
	tprintf("%#lx", tcp->u_arg[2]);
	else
	tprintf("{%p}", p);
	}
	return 0;
	}

	int
	sys_timer_settime(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	tprintf("%#lx, ", tcp->u_arg[0]);
	printflags(clockflags, tcp->u_arg[1], "TIMER_???");
	tprintf(", ");
	printitv(tcp, tcp->u_arg[2]);
	tprintf(", ");
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[3]);
	else
	printitv(tcp, tcp->u_arg[3]);
	}
	return 0;
	}

	int
	sys_timer_gettime(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	tprintf("%#lx, ", tcp->u_arg[0]);
	} else {
	if (syserror(tcp))
	tprintf("%#lx", tcp->u_arg[1]);
	else
	printitv(tcp, tcp->u_arg[1]);
	}
	return 0;
	}

	static void
	print_rtc(tcp, rt)
	struct tcb *tcp;
	const struct rtc_time *rt;
	{
	tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
	"tm_mday=%d, tm_mon=%d, tm_year=%d, ",
	rt->tm_sec, rt->tm_min, rt->tm_hour,
	rt->tm_mday, rt->tm_mon, rt->tm_year);
	if (!abbrev(tcp))
	tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
	rt->tm_wday, rt->tm_yday, rt->tm_isdst);
	else
	tprintf("...}");
	}

	int
	rtc_ioctl(tcp, code, arg)
	struct tcb *tcp;
	long code;
	long arg;
	{
	switch (code) {
	case RTC_ALM_SET:
	case RTC_SET_TIME:
	if (entering(tcp)) {
	struct rtc_time rt;
	if (umove(tcp, arg, &rt) < 0)
	tprintf(", %#lx", arg);
	else {
	tprintf(", ");
	print_rtc(tcp, &rt);
	}
	}
	break;
	case RTC_ALM_READ:
	case RTC_RD_TIME:
	if (exiting(tcp)) {
	struct rtc_time rt;
	if (syserror(tcp) \|\| umove(tcp, arg, &rt) < 0)
	tprintf(", %#lx", arg);
	else {
	tprintf(", ");
	print_rtc(tcp, &rt);
	}
	}
	break;
	case RTC_IRQP_SET:
	case RTC_EPOCH_SET:
	if (entering(tcp))
	tprintf(", %lu", arg);
	break;
	case RTC_IRQP_READ:
	case RTC_EPOCH_READ:
	if (exiting(tcp))
	tprintf(", %lu", arg);
	break;
	case RTC_WKALM_SET:
	if (entering(tcp)) {
	struct rtc_wkalrm wk;
	if (umove(tcp, arg, &wk) < 0)
	tprintf(", %#lx", arg);
	else {
	tprintf(", {enabled=%d, pending=%d, ",
	wk.enabled, wk.pending);
	print_rtc(tcp, &wk.time);
	tprintf("}");
	}
	}
	break;
	case RTC_WKALM_RD:
	if (exiting(tcp)) {
	struct rtc_wkalrm wk;
	if (syserror(tcp) \|\| umove(tcp, arg, &wk) < 0)
	tprintf(", %#lx", arg);
	else {
	tprintf(", {enabled=%d, pending=%d, ",
	wk.enabled, wk.pending);
	print_rtc(tcp, &wk.time);
	tprintf("}");
	}
	}
	break;
	default:
	if (entering(tcp))
	tprintf(", %#lx", arg);
	break;
	}
	return 1;
	}

	#ifndef TFD_TIMER_ABSTIME
	#define TFD_TIMER_ABSTIME (1 << 0)
	#endif

	static const struct xlat timerfdflags[] = {
	{ TFD_TIMER_ABSTIME, "TFD_TIMER_ABSTIME" },
	{ 0, NULL }
	};

	int
	sys_timerfd(tcp)
	struct tcb *tcp;
	{
	if (entering(tcp)) {
	/* It does not matter that the kernel uses itimerspec. */
	tprintf("%ld, ", tcp->u_arg[0]);
	printxval(clocknames, tcp->u_arg[1], "CLOCK_???");
	tprintf(", ");
	printflags(timerfdflags, tcp->u_arg[2], "TFD_???");
	tprintf(", ");
	printitv(tcp, tcp->u_arg[3]);
	}
	return 0;
	}

	int
	sys_timerfd_create(struct tcb *tcp)
	{
	if (entering(tcp)) {
	printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
	tprintf(", ");
	printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
	}
	return 0;
	}

	int
	sys_timerfd_settime(struct tcb *tcp)
	{
	if (entering(tcp)) {
	tprintf("%ld, ", tcp->u_arg[0]);
	printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
	tprintf(", ");
	printitv(tcp, tcp->u_arg[2]);
	tprintf(", ");
	printitv(tcp, tcp->u_arg[3]);
	}
	return 0;
	}

	int
	sys_timerfd_gettime(struct tcb *tcp)
	{
	if (entering(tcp)) {
	tprintf("%ld, ", tcp->u_arg[0]);
	tprintf(", ");
	printitv(tcp, tcp->u_arg[1]);
	}
	return 0;
	}

	#endif /* LINUX */