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      1 /*
      2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl>
      3  * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl>
      4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs (at) world.std.com>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  *
     29  *	$Id: time.c,v 1.12 2005/06/01 19:02:38 roland Exp $
     30  */
     31 
     32 #include "defs.h"
     33 
     34 #ifdef LINUX
     35 #include <linux/version.h>
     36 #ifdef HAVE_ANDROID_OS
     37 #include <linux/timex.h>
     38 #else
     39 #include <sys/timex.h>
     40 #endif
     41 #include <linux/ioctl.h>
     42 #include <linux/rtc.h>
     43 #endif /* LINUX */
     44 
     45 void
     46 printtv(tcp, addr)
     47 struct tcb *tcp;
     48 long addr;
     49 {
     50 	struct timeval tv;
     51 
     52 	if (addr == 0)
     53 		tprintf("NULL");
     54 	else if (!verbose(tcp))
     55 		tprintf("%#lx", addr);
     56 	else if (umove(tcp, addr, &tv) < 0)
     57 		tprintf("{...}");
     58 	else
     59 		tprintf("{%lu, %lu}", (long) tv.tv_sec, (long) tv.tv_usec);
     60 }
     61 
     62 #ifdef ALPHA
     63 struct timeval32
     64 {
     65     unsigned tv_sec;
     66     unsigned tv_usec;
     67 };
     68 
     69 void
     70 printtv32(tcp, addr)
     71 struct tcb *tcp;
     72 long addr;
     73 {
     74     struct timeval32  tv;
     75 
     76     if (addr == 0)
     77 	tprintf("NULL");
     78     else if (!verbose(tcp))
     79 	tprintf("%#lx", addr);
     80     else if (umove(tcp, addr, &tv) < 0)
     81 	tprintf("{...}");
     82     else
     83 	tprintf("{%u, %u}", tv.tv_sec, tv.tv_usec);
     84 }
     85 #endif
     86 
     87 
     88 int
     89 sys_time(tcp)
     90 struct tcb *tcp;
     91 {
     92 	if (exiting(tcp)) {
     93 #ifndef SVR4
     94 		printnum(tcp, tcp->u_arg[0], "%ld");
     95 #endif /* SVR4 */
     96 	}
     97 	return 0;
     98 }
     99 
    100 int
    101 sys_stime(tcp)
    102 struct tcb *tcp;
    103 {
    104 	if (exiting(tcp)) {
    105 		printnum(tcp, tcp->u_arg[0], "%ld");
    106 	}
    107 	return 0;
    108 }
    109 
    110 int
    111 sys_gettimeofday(tcp)
    112 struct tcb *tcp;
    113 {
    114 	if (exiting(tcp)) {
    115 		if (syserror(tcp)) {
    116 			tprintf("%#lx, %#lx",
    117 				tcp->u_arg[0], tcp->u_arg[1]);
    118 			return 0;
    119 		}
    120 		printtv(tcp, tcp->u_arg[0]);
    121 #ifndef SVR4
    122 		tprintf(", ");
    123 		printtv(tcp, tcp->u_arg[1]);
    124 #endif /* !SVR4 */
    125 	}
    126 	return 0;
    127 }
    128 
    129 
    130 #ifdef ALPHA
    131 int
    132 sys_osf_gettimeofday(tcp)
    133 struct tcb *tcp;
    134 {
    135     if (exiting(tcp)) {
    136 	if (syserror(tcp)) {
    137 	    tprintf("%#lx, %#lx",
    138 		    tcp->u_arg[0], tcp->u_arg[1]);
    139 	    return 0;
    140 	}
    141 	printtv32(tcp, tcp->u_arg[0]);
    142 #ifndef SVR4
    143 	tprintf(", ");
    144 	printtv32(tcp, tcp->u_arg[1]);
    145 #endif /* !SVR4 */
    146     }
    147     return 0;
    148 }
    149 #endif
    150 
    151 int
    152 sys_settimeofday(tcp)
    153 struct tcb *tcp;
    154 {
    155 	if (entering(tcp)) {
    156 		printtv(tcp, tcp->u_arg[0]);
    157 #ifndef SVR4
    158 		tprintf(", ");
    159 		printtv(tcp, tcp->u_arg[1]);
    160 #endif /* !SVR4 */
    161 	}
    162 	return 0;
    163 }
    164 
    165 #ifdef ALPHA
    166 int
    167 sys_osf_settimeofday(tcp)
    168 struct tcb *tcp;
    169 {
    170     if (entering(tcp)) {
    171 	printtv32(tcp, tcp->u_arg[0]);
    172 #ifndef SVR4
    173 	tprintf(", ");
    174 	printtv32(tcp, tcp->u_arg[1]);
    175 #endif /* !SVR4 */
    176     }
    177     return 0;
    178 }
    179 #endif
    180 
    181 int
    182 sys_adjtime(tcp)
    183 struct tcb *tcp;
    184 {
    185 	if (entering(tcp)) {
    186 		printtv(tcp, tcp->u_arg[0]);
    187 		tprintf(", ");
    188 	} else {
    189 		if (syserror(tcp))
    190 			tprintf("%#lx", tcp->u_arg[1]);
    191 		else
    192 			printtv(tcp, tcp->u_arg[1]);
    193 	}
    194 	return 0;
    195 }
    196 
    197 static const struct xlat which[] = {
    198 	{ ITIMER_REAL,	"ITIMER_REAL"	},
    199 	{ ITIMER_VIRTUAL,"ITIMER_VIRTUAL"},
    200 	{ ITIMER_PROF,	"ITIMER_PROF"	},
    201 	{ 0,		NULL		},
    202 };
    203 
    204 static void
    205 printitv(tcp, addr)
    206 struct tcb *tcp;
    207 long addr;
    208 {
    209 	struct itimerval itv;
    210 
    211 	if (addr == 0)
    212 		tprintf("NULL");
    213 	else if (!verbose(tcp))
    214 		tprintf("%#lx", addr);
    215 	else if (umove(tcp, addr, &itv) < 0)
    216 		tprintf("{...}");
    217 	else {
    218 		tprintf("{it_interval={%lu, %lu}, it_value={%lu, %lu}}",
    219 		(long) itv.it_interval.tv_sec, (long) itv.it_interval.tv_usec,
    220 		(long) itv.it_value.tv_sec, (long) itv.it_value.tv_usec);
    221 	}
    222 }
    223 
    224 
    225 #ifdef ALPHA
    226 static void
    227 printitv32(tcp, addr)
    228 struct tcb *tcp;
    229 long addr;
    230 {
    231     struct itimerval32
    232     {
    233 	struct timeval32 it_interval;
    234 	struct timeval32 it_value;
    235     } itv;
    236 
    237     if (addr == 0)
    238 	tprintf("NULL");
    239     else if (!verbose(tcp))
    240 	tprintf("%#lx", addr);
    241     else if (umove(tcp, addr, &itv) < 0)
    242 	tprintf("{...}");
    243     else {
    244 	tprintf("{it_interval={%u, %u}, it_value={%u, %u}}",
    245 		itv.it_interval.tv_sec, itv.it_interval.tv_usec,
    246 		itv.it_value.tv_sec, itv.it_value.tv_usec);
    247     }
    248 }
    249 #endif
    250 
    251 int
    252 sys_getitimer(tcp)
    253 struct tcb *tcp;
    254 {
    255 	if (entering(tcp)) {
    256 		printxval(which, tcp->u_arg[0], "ITIMER_???");
    257 		tprintf(", ");
    258 	} else {
    259 		if (syserror(tcp))
    260 			tprintf("%#lx", tcp->u_arg[1]);
    261 		else
    262 			printitv(tcp, tcp->u_arg[1]);
    263 	}
    264 	return 0;
    265 }
    266 
    267 
    268 #ifdef ALPHA
    269 int
    270 sys_osf_getitimer(tcp)
    271 struct tcb *tcp;
    272 {
    273     if (entering(tcp)) {
    274 	printxval(which, tcp->u_arg[0], "ITIMER_???");
    275 	tprintf(", ");
    276     } else {
    277 	if (syserror(tcp))
    278 	    tprintf("%#lx", tcp->u_arg[1]);
    279 	else
    280 	    printitv32(tcp, tcp->u_arg[1]);
    281     }
    282     return 0;
    283 }
    284 #endif
    285 
    286 int
    287 sys_setitimer(tcp)
    288 struct tcb *tcp;
    289 {
    290 	if (entering(tcp)) {
    291 		printxval(which, tcp->u_arg[0], "ITIMER_???");
    292 		tprintf(", ");
    293 		printitv(tcp, tcp->u_arg[1]);
    294 		tprintf(", ");
    295 	} else {
    296 		if (syserror(tcp))
    297 			tprintf("%#lx", tcp->u_arg[2]);
    298 		else
    299 			printitv(tcp, tcp->u_arg[2]);
    300 	}
    301 	return 0;
    302 }
    303 
    304 #ifdef ALPHA
    305 int
    306 sys_osf_setitimer(tcp)
    307 struct tcb *tcp;
    308 {
    309     if (entering(tcp)) {
    310 	printxval(which, tcp->u_arg[0], "ITIMER_???");
    311 	tprintf(", ");
    312 	printitv32(tcp, tcp->u_arg[1]);
    313 	tprintf(", ");
    314     } else {
    315 	if (syserror(tcp))
    316 	    tprintf("%#lx", tcp->u_arg[2]);
    317 	else
    318 	    printitv32(tcp, tcp->u_arg[2]);
    319     }
    320     return 0;
    321 }
    322 #endif
    323 
    324 #ifdef LINUX
    325 
    326 int
    327 sys_adjtimex(tcp)
    328 struct tcb *tcp;
    329 {
    330 	struct timex txc;
    331 
    332 	if (exiting(tcp)) {
    333 		if (tcp->u_arg[0] == 0)
    334 			tprintf("NULL");
    335 		else if (syserror(tcp) || !verbose(tcp))
    336 			tprintf("%#lx", tcp->u_arg[0]);
    337 		else if (umove(tcp, tcp->u_arg[0], &txc) < 0)
    338 			tprintf("{...}");
    339 		else {
    340 #if LINUX_VERSION_CODE < 66332
    341 			tprintf("{mode=%d, offset=%ld, frequency=%ld, ",
    342 				txc.mode, txc.offset, txc.frequency);
    343 			tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
    344 				txc.maxerror, txc.esterror, txc.status);
    345 			tprintf("time_constant=%ld, precision=%lu, ",
    346 				txc.time_constant, txc.precision);
    347 			tprintf("tolerance=%ld, time={%lu, %lu}}",
    348 				txc.tolerance, (long) txc.time.tv_sec,
    349 				(long) txc.time.tv_usec);
    350 #else
    351 			tprintf("{modes=%d, offset=%ld, freq=%ld, ",
    352 				txc.modes, txc.offset, txc.freq);
    353 			tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
    354 				txc.maxerror, txc.esterror, txc.status);
    355 			tprintf("constant=%ld, precision=%lu, ",
    356 				txc.constant, txc.precision);
    357 			tprintf("tolerance=%ld, time={%lu, %lu}}",
    358 				txc.tolerance, (long) txc.time.tv_sec,
    359 				(long) txc.time.tv_usec);
    360 			/* there's a bunch of other stuff, but it's not
    361 			 * worth the time or the trouble to include */
    362 #endif
    363 		}
    364 	}
    365 	return 0;
    366 }
    367 
    368 static const struct xlat clockflags[] = {
    369   { TIMER_ABSTIME, "TIMER_ABSTIME" },
    370   { 0,             NULL }
    371 };
    372 
    373 static const struct xlat clocknames[] = {
    374 #ifdef CLOCK_REALTIME
    375   { CLOCK_REALTIME, "CLOCK_REALTIME" },
    376 #endif
    377 #ifdef CLOCK_MONOTONIC
    378   { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" },
    379 #endif
    380   { 0,             NULL }
    381 };
    382 
    383 int
    384 sys_clock_settime(tcp)
    385 struct tcb *tcp;
    386 {
    387 	if (entering(tcp)) {
    388 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
    389 		tprintf(", ");
    390 		printtv(tcp, tcp->u_arg[1]);
    391 	}
    392 	return 0;
    393 }
    394 
    395 int
    396 sys_clock_gettime(tcp)
    397 struct tcb *tcp;
    398 {
    399 	if (entering(tcp)) {
    400 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
    401 		tprintf(", ");
    402 	} else {
    403 		if (syserror(tcp))
    404 			tprintf("%#lx", tcp->u_arg[1]);
    405 		else
    406 			printtv(tcp, tcp->u_arg[1]);
    407 	}
    408 	return 0;
    409 }
    410 
    411 int
    412 sys_clock_nanosleep(tcp)
    413 struct tcb *tcp;
    414 {
    415 	if (entering(tcp)) {
    416 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
    417 		tprintf(", ");
    418 		printflags(clockflags, tcp->u_arg[1], "TIMER_???");
    419 		tprintf(", ");
    420 		printtv(tcp, tcp->u_arg[2]);
    421 		tprintf(", ");
    422 	} else {
    423 		if (syserror(tcp))
    424 			tprintf("%#lx", tcp->u_arg[3]);
    425 		else
    426 			printtv(tcp, tcp->u_arg[3]);
    427 	}
    428 	return 0;
    429 }
    430 
    431 #ifndef SIGEV_THREAD_ID
    432 # define SIGEV_THREAD_ID 4
    433 #endif
    434 static const struct xlat sigev_value[] = {
    435 	{ SIGEV_SIGNAL+1, "SIGEV_SIGNAL" },
    436 	{ SIGEV_NONE+1, "SIGEV_NONE" },
    437 	{ SIGEV_THREAD+1, "SIGEV_THREAD" },
    438 	{ SIGEV_THREAD_ID+1, "SIGEV_THREAD_ID" },
    439 	{ 0, NULL }
    440 };
    441 
    442 void
    443 printsigevent(tcp, arg)
    444 struct tcb *tcp;
    445 long arg;
    446 {
    447 	struct sigevent sev;
    448 	if (umove (tcp, arg, &sev) < 0)
    449 		tprintf("{...}");
    450 	else {
    451 		tprintf("{%p, ", sev.sigev_value.sival_ptr);
    452 		if (sev.sigev_notify == SIGEV_SIGNAL)
    453 			tprintf("%s, ", signame(sev.sigev_signo));
    454 		else
    455 			tprintf("%u, ", sev.sigev_signo);
    456 		printxval(sigev_value, sev.sigev_notify+1, "SIGEV_???");
    457 		tprintf(", ");
    458 		if (sev.sigev_notify == SIGEV_THREAD_ID)
    459 			/* _pad[0] is the _tid field which might not be
    460 			   present in the userlevel definition of the
    461 			   struct.  */
    462 			tprintf("{%d}", sev._sigev_un._pad[0]);
    463 		else if (sev.sigev_notify == SIGEV_THREAD)
    464 			tprintf("{%p, %p}", sev.sigev_notify_function,
    465 				sev.sigev_notify_attributes);
    466 		else
    467 			tprintf("{...}");
    468 		tprintf("}");
    469 	}
    470 }
    471 
    472 int
    473 sys_timer_create(tcp)
    474 struct tcb *tcp;
    475 {
    476 	if (entering(tcp)) {
    477 		printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
    478 		tprintf(", ");
    479 		printsigevent(tcp, tcp->u_arg[1]);
    480 		tprintf(", ");
    481 	} else {
    482 		if (syserror(tcp))
    483 			tprintf("%#lx", tcp->u_arg[2]);
    484 		else {
    485 			void *p;
    486 			umove(tcp, tcp->u_arg[2], &p);
    487 			tprintf("{%p}", p);
    488 		}
    489 	}
    490 	return 0;
    491 }
    492 
    493 int
    494 sys_timer_settime(tcp)
    495 struct tcb *tcp;
    496 {
    497 	if (entering(tcp)) {
    498 		tprintf("%#lx, ", tcp->u_arg[0]);
    499 		printflags(clockflags, tcp->u_arg[1], "TIMER_???");
    500 		tprintf(", ");
    501 		printitv(tcp, tcp->u_arg[2]);
    502 		tprintf(", ");
    503 	} else {
    504 		if (syserror(tcp))
    505 			tprintf("%#lx", tcp->u_arg[3]);
    506 		else
    507 			printitv(tcp, tcp->u_arg[3]);
    508 	}
    509 	return 0;
    510 }
    511 
    512 int
    513 sys_timer_gettime(tcp)
    514 struct tcb *tcp;
    515 {
    516 	if (entering(tcp)) {
    517 		tprintf("%#lx, ", tcp->u_arg[0]);
    518 	} else {
    519 		if (syserror(tcp))
    520 			tprintf("%#lx", tcp->u_arg[1]);
    521 		else
    522 			printitv(tcp, tcp->u_arg[1]);
    523 	}
    524 	return 0;
    525 }
    526 
    527 static void
    528 print_rtc(tcp, rt)
    529 struct tcb *tcp;
    530 const struct rtc_time *rt;
    531 {
    532 	tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
    533 		"tm_mday=%d, tm_mon=%d, tm_year=%d, ",
    534 		rt->tm_sec, rt->tm_min, rt->tm_hour,
    535 		rt->tm_mday, rt->tm_mon, rt->tm_year);
    536 	if (!abbrev(tcp))
    537 		tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
    538 			rt->tm_wday, rt->tm_yday, rt->tm_isdst);
    539 	else
    540 		tprintf("...}");
    541 }
    542 
    543 int
    544 rtc_ioctl(tcp, code, arg)
    545 struct tcb *tcp;
    546 long code;
    547 long arg;
    548 {
    549 	switch (code) {
    550 	case RTC_ALM_SET:
    551 	case RTC_SET_TIME:
    552 		if (entering(tcp)) {
    553 			struct rtc_time rt;
    554 			if (umove(tcp, arg, &rt) < 0)
    555 				tprintf(", %#lx", arg);
    556 			else {
    557 				tprintf(", ");
    558 				print_rtc(tcp, &rt);
    559 			}
    560 		}
    561 		break;
    562 	case RTC_ALM_READ:
    563 	case RTC_RD_TIME:
    564 		if (exiting(tcp)) {
    565 			struct rtc_time rt;
    566 			if (syserror(tcp) || umove(tcp, arg, &rt) < 0)
    567 				tprintf(", %#lx", arg);
    568 			else {
    569 				tprintf(", ");
    570 				print_rtc(tcp, &rt);
    571 			}
    572 		}
    573 		break;
    574 	case RTC_IRQP_SET:
    575 	case RTC_EPOCH_SET:
    576 		if (entering(tcp))
    577 			tprintf(", %lu", arg);
    578 		break;
    579 	case RTC_IRQP_READ:
    580 	case RTC_EPOCH_READ:
    581 		if (exiting(tcp))
    582 			tprintf(", %lu", arg);
    583 		break;
    584 	case RTC_WKALM_SET:
    585 		if (entering(tcp)) {
    586 			struct rtc_wkalrm wk;
    587 			if (umove(tcp, arg, &wk) < 0)
    588 				tprintf(", %#lx", arg);
    589 			else {
    590 				tprintf(", {enabled=%d, pending=%d, ",
    591 					wk.enabled, wk.pending);
    592 				print_rtc(tcp, &wk.time);
    593 				tprintf("}");
    594 			}
    595 		}
    596 		break;
    597 	case RTC_WKALM_RD:
    598 		if (exiting(tcp)) {
    599 			struct rtc_wkalrm wk;
    600 			if (syserror(tcp) || umove(tcp, arg, &wk) < 0)
    601 				tprintf(", %#lx", arg);
    602 			else {
    603 				tprintf(", {enabled=%d, pending=%d, ",
    604 					wk.enabled, wk.pending);
    605 				print_rtc(tcp, &wk.time);
    606 				tprintf("}");
    607 			}
    608 		}
    609 		break;
    610 	default:
    611 		if (entering(tcp))
    612 			tprintf(", %#lx", arg);
    613 		break;
    614 	}
    615 	return 1;
    616 }
    617 #endif /* LINUX */
    618