granicus.if.org Git - strace/blob - time.c

   1 /*
   2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
   3  * Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
   4  * Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@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  *      $Id$
  30  */
  31
  32 #include "defs.h"
  33
  34 #include <linux/version.h>
  35 #include <sys/timex.h>
  36 #include <linux/ioctl.h>
  37 #include <linux/rtc.h>
  38
  39 #ifndef UTIME_NOW
  40 #define UTIME_NOW ((1l << 30) - 1l)
  41 #endif
  42 #ifndef UTIME_OMIT
  43 #define UTIME_OMIT ((1l << 30) - 2l)
  44 #endif
  45
  46 struct timeval32
  47 {
  48         u_int32_t tv_sec, tv_usec;
  49 };
  50
  51 static void
  52 tprint_timeval32(struct tcb *tcp, const struct timeval32 *tv)
  53 {
  54         tprintf("{%u, %u}", tv->tv_sec, tv->tv_usec);
  55 }
  56
  57 static void
  58 tprint_timeval(struct tcb *tcp, const struct timeval *tv)
  59 {
  60         tprintf("{%lu, %lu}",
  61                 (unsigned long) tv->tv_sec, (unsigned long) tv->tv_usec);
  62 }
  63
  64 void
  65 printtv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness, int special)
  66 {
  67         char buf[TIMEVAL_TEXT_BUFSIZE];
  68         sprinttv(buf, tcp, addr, bitness, special);
  69         tprints(buf);
  70 }
  71
  72 char *
  73 sprinttv(char *buf, struct tcb *tcp, long addr, enum bitness_t bitness, int special)
  74 {
  75         int rc;
  76
  77         if (addr == 0)
  78                 return stpcpy(buf, "NULL");
  79
  80         if (!verbose(tcp))
  81                 return buf + sprintf(buf, "%#lx", addr);
  82
  83         if (bitness == BITNESS_32
  84 #if SUPPORTED_PERSONALITIES > 1
  85             || personality_wordsize[current_personality] == 4
  86 #endif
  87                 )
  88         {
  89                 struct timeval32 tv;
  90
  91                 rc = umove(tcp, addr, &tv);
  92                 if (rc >= 0) {
  93                         if (special && tv.tv_sec == 0) {
  94                                 if (tv.tv_usec == UTIME_NOW)
  95                                         return stpcpy(buf, "UTIME_NOW");
  96                                 if (tv.tv_usec == UTIME_OMIT)
  97                                         return stpcpy(buf, "UTIME_OMIT");
  98                         }
  99                         return buf + sprintf(buf, "{%u, %u}",
 100                                 tv.tv_sec, tv.tv_usec);
 101                 }
 102         } else {
 103                 struct timeval tv;
 104
 105                 rc = umove(tcp, addr, &tv);
 106                 if (rc >= 0) {
 107                         if (special && tv.tv_sec == 0) {
 108                                 if (tv.tv_usec == UTIME_NOW)
 109                                         return stpcpy(buf, "UTIME_NOW");
 110                                 if (tv.tv_usec == UTIME_OMIT)
 111                                         return stpcpy(buf, "UTIME_OMIT");
 112                         }
 113                         return buf + sprintf(buf, "{%lu, %lu}",
 114                                 (unsigned long) tv.tv_sec,
 115                                 (unsigned long) tv.tv_usec);
 116                 }
 117         }
 118
 119         return stpcpy(buf, "{...}");
 120 }
 121
 122 void
 123 print_timespec(struct tcb *tcp, long addr)
 124 {
 125         char buf[TIMESPEC_TEXT_BUFSIZE];
 126         sprint_timespec(buf, tcp, addr);
 127         tprints(buf);
 128 }
 129
 130 void
 131 sprint_timespec(char *buf, struct tcb *tcp, long addr)
 132 {
 133         if (addr == 0)
 134                 strcpy(buf, "NULL");
 135         else if (!verbose(tcp))
 136                 sprintf(buf, "%#lx", addr);
 137         else {
 138                 int rc;
 139
 140 #if SUPPORTED_PERSONALITIES > 1
 141                 if (personality_wordsize[current_personality] == 4) {
 142                         struct timeval32 tv;
 143
 144                         rc = umove(tcp, addr, &tv);
 145                         if (rc >= 0)
 146                                 sprintf(buf, "{%u, %u}",
 147                                         tv.tv_sec, tv.tv_usec);
 148                 } else
 149 #endif
 150                 {
 151                         struct timespec ts;
 152
 153                         rc = umove(tcp, addr, &ts);
 154                         if (rc >= 0)
 155                                 sprintf(buf, "{%lu, %lu}",
 156                                         (unsigned long) ts.tv_sec,
 157                                         (unsigned long) ts.tv_nsec);
 158                 }
 159                 if (rc < 0)
 160                         strcpy(buf, "{...}");
 161         }
 162 }
 163
 164 int
 165 sys_time(struct tcb *tcp)
 166 {
 167         if (exiting(tcp)) {
 168                 printnum(tcp, tcp->u_arg[0], "%ld");
 169         }
 170         return 0;
 171 }
 172
 173 int
 174 sys_stime(struct tcb *tcp)
 175 {
 176         if (exiting(tcp)) {
 177                 printnum(tcp, tcp->u_arg[0], "%ld");
 178         }
 179         return 0;
 180 }
 181
 182 int
 183 sys_gettimeofday(struct tcb *tcp)
 184 {
 185         if (exiting(tcp)) {
 186                 if (syserror(tcp)) {
 187                         tprintf("%#lx, %#lx",
 188                                 tcp->u_arg[0], tcp->u_arg[1]);
 189                         return 0;
 190                 }
 191                 printtv(tcp, tcp->u_arg[0]);
 192                 tprints(", ");
 193                 printtv(tcp, tcp->u_arg[1]);
 194         }
 195         return 0;
 196 }
 197
 198 #ifdef ALPHA
 199 int
 200 sys_osf_gettimeofday(struct tcb *tcp)
 201 {
 202         if (exiting(tcp)) {
 203                 if (syserror(tcp)) {
 204                         tprintf("%#lx, %#lx", tcp->u_arg[0], tcp->u_arg[1]);
 205                         return 0;
 206                 }
 207                 printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32, 0);
 208                 tprints(", ");
 209                 printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
 210         }
 211         return 0;
 212 }
 213 #endif
 214
 215 int
 216 sys_settimeofday(struct tcb *tcp)
 217 {
 218         if (entering(tcp)) {
 219                 printtv(tcp, tcp->u_arg[0]);
 220                 tprints(", ");
 221                 printtv(tcp, tcp->u_arg[1]);
 222         }
 223         return 0;
 224 }
 225
 226 #ifdef ALPHA
 227 int
 228 sys_osf_settimeofday(struct tcb *tcp)
 229 {
 230         if (entering(tcp)) {
 231                 printtv_bitness(tcp, tcp->u_arg[0], BITNESS_32, 0);
 232                 tprints(", ");
 233                 printtv_bitness(tcp, tcp->u_arg[1], BITNESS_32, 0);
 234         }
 235         return 0;
 236 }
 237 #endif
 238
 239 int
 240 sys_adjtime(struct tcb *tcp)
 241 {
 242         if (entering(tcp)) {
 243                 printtv(tcp, tcp->u_arg[0]);
 244                 tprints(", ");
 245         } else {
 246                 if (syserror(tcp))
 247                         tprintf("%#lx", tcp->u_arg[1]);
 248                 else
 249                         printtv(tcp, tcp->u_arg[1]);
 250         }
 251         return 0;
 252 }
 253
 254 int
 255 sys_nanosleep(struct tcb *tcp)
 256 {
 257         if (entering(tcp)) {
 258                 print_timespec(tcp, tcp->u_arg[0]);
 259                 tprints(", ");
 260         } else {
 261                 /* Second (returned) timespec is only significant
 262                  * if syscall was interrupted. We print only its address
 263                  * on _success_, since kernel doesn't modify its value.
 264                  */
 265                 if (is_restart_error(tcp) || !tcp->u_arg[1])
 266                         /* Interrupted (or NULL) */
 267                         print_timespec(tcp, tcp->u_arg[1]);
 268                 else
 269                         /* Success */
 270                         tprintf("%#lx", tcp->u_arg[1]);
 271         }
 272         return 0;
 273 }
 274
 275 static const struct xlat which[] = {
 276         { ITIMER_REAL,  "ITIMER_REAL"   },
 277         { ITIMER_VIRTUAL,"ITIMER_VIRTUAL"},
 278         { ITIMER_PROF,  "ITIMER_PROF"   },
 279         { 0,            NULL            },
 280 };
 281
 282 static void
 283 printitv_bitness(struct tcb *tcp, long addr, enum bitness_t bitness)
 284 {
 285         if (addr == 0)
 286                 tprints("NULL");
 287         else if (!verbose(tcp))
 288                 tprintf("%#lx", addr);
 289         else {
 290                 int rc;
 291
 292                 if (bitness == BITNESS_32
 293 #if SUPPORTED_PERSONALITIES > 1
 294                     || personality_wordsize[current_personality] == 4
 295 #endif
 296                         )
 297                 {
 298                         struct {
 299                                 struct timeval32 it_interval, it_value;
 300                         } itv;
 301
 302                         rc = umove(tcp, addr, &itv);
 303                         if (rc >= 0) {
 304                                 tprints("{it_interval=");
 305                                 tprint_timeval32(tcp, &itv.it_interval);
 306                                 tprints(", it_value=");
 307                                 tprint_timeval32(tcp, &itv.it_value);
 308                                 tprints("}");
 309                         }
 310                 } else {
 311                         struct itimerval itv;
 312
 313                         rc = umove(tcp, addr, &itv);
 314                         if (rc >= 0) {
 315                                 tprints("{it_interval=");
 316                                 tprint_timeval(tcp, &itv.it_interval);
 317                                 tprints(", it_value=");
 318                                 tprint_timeval(tcp, &itv.it_value);
 319                                 tprints("}");
 320                         }
 321                 }
 322                 if (rc < 0)
 323                         tprints("{...}");
 324         }
 325 }
 326
 327 #define printitv(tcp, addr)     \
 328         printitv_bitness((tcp), (addr), BITNESS_CURRENT)
 329
 330 int
 331 sys_getitimer(struct tcb *tcp)
 332 {
 333         if (entering(tcp)) {
 334                 printxval(which, tcp->u_arg[0], "ITIMER_???");
 335                 tprints(", ");
 336         } else {
 337                 if (syserror(tcp))
 338                         tprintf("%#lx", tcp->u_arg[1]);
 339                 else
 340                         printitv(tcp, tcp->u_arg[1]);
 341         }
 342         return 0;
 343 }
 344
 345 #ifdef ALPHA
 346 int
 347 sys_osf_getitimer(struct tcb *tcp)
 348 {
 349         if (entering(tcp)) {
 350                 printxval(which, tcp->u_arg[0], "ITIMER_???");
 351                 tprints(", ");
 352         } else {
 353                 if (syserror(tcp))
 354                         tprintf("%#lx", tcp->u_arg[1]);
 355                 else
 356                         printitv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
 357         }
 358         return 0;
 359 }
 360 #endif
 361
 362 int
 363 sys_setitimer(struct tcb *tcp)
 364 {
 365         if (entering(tcp)) {
 366                 printxval(which, tcp->u_arg[0], "ITIMER_???");
 367                 tprints(", ");
 368                 printitv(tcp, tcp->u_arg[1]);
 369                 tprints(", ");
 370         } else {
 371                 if (syserror(tcp))
 372                         tprintf("%#lx", tcp->u_arg[2]);
 373                 else
 374                         printitv(tcp, tcp->u_arg[2]);
 375         }
 376         return 0;
 377 }
 378
 379 #ifdef ALPHA
 380 int
 381 sys_osf_setitimer(struct tcb *tcp)
 382 {
 383         if (entering(tcp)) {
 384                 printxval(which, tcp->u_arg[0], "ITIMER_???");
 385                 tprints(", ");
 386                 printitv_bitness(tcp, tcp->u_arg[1], BITNESS_32);
 387                 tprints(", ");
 388         } else {
 389                 if (syserror(tcp))
 390                         tprintf("%#lx", tcp->u_arg[2]);
 391                 else
 392                         printitv_bitness(tcp, tcp->u_arg[2], BITNESS_32);
 393         }
 394         return 0;
 395 }
 396 #endif
 397
 398 static const struct xlat adjtimex_modes[] = {
 399   { 0, "0" },
 400 #ifdef ADJ_OFFSET
 401   { ADJ_OFFSET, "ADJ_OFFSET" },
 402 #endif
 403 #ifdef ADJ_FREQUENCY
 404   { ADJ_FREQUENCY, "ADJ_FREQUENCY" },
 405 #endif
 406 #ifdef ADJ_MAXERROR
 407   { ADJ_MAXERROR, "ADJ_MAXERROR" },
 408 #endif
 409 #ifdef ADJ_ESTERROR
 410   { ADJ_ESTERROR, "ADJ_ESTERROR" },
 411 #endif
 412 #ifdef ADJ_STATUS
 413   { ADJ_STATUS, "ADJ_STATUS" },
 414 #endif
 415 #ifdef ADJ_TIMECONST
 416   { ADJ_TIMECONST, "ADJ_TIMECONST" },
 417 #endif
 418 #ifdef ADJ_TICK
 419   { ADJ_TICK, "ADJ_TICK" },
 420 #endif
 421 #ifdef ADJ_OFFSET_SINGLESHOT
 422   { ADJ_OFFSET_SINGLESHOT, "ADJ_OFFSET_SINGLESHOT" },
 423 #endif
 424   { 0,             NULL }
 425 };
 426
 427 static const struct xlat adjtimex_status[] = {
 428 #ifdef STA_PLL
 429   { STA_PLL, "STA_PLL" },
 430 #endif
 431 #ifdef STA_PPSFREQ
 432   { STA_PPSFREQ, "STA_PPSFREQ" },
 433 #endif
 434 #ifdef STA_PPSTIME
 435   { STA_PPSTIME, "STA_PPSTIME" },
 436 #endif
 437 #ifdef STA_FLL
 438   { STA_FLL, "STA_FLL" },
 439 #endif
 440 #ifdef STA_INS
 441   { STA_INS, "STA_INS" },
 442 #endif
 443 #ifdef STA_DEL
 444   { STA_DEL, "STA_DEL" },
 445 #endif
 446 #ifdef STA_UNSYNC
 447   { STA_UNSYNC, "STA_UNSYNC" },
 448 #endif
 449 #ifdef STA_FREQHOLD
 450   { STA_FREQHOLD, "STA_FREQHOLD" },
 451 #endif
 452 #ifdef STA_PPSSIGNAL
 453   { STA_PPSSIGNAL, "STA_PPSSIGNAL" },
 454 #endif
 455 #ifdef STA_PPSJITTER
 456   { STA_PPSJITTER, "STA_PPSJITTER" },
 457 #endif
 458 #ifdef STA_PPSWANDER
 459   { STA_PPSWANDER, "STA_PPSWANDER" },
 460 #endif
 461 #ifdef STA_PPSERROR
 462   { STA_PPSERROR, "STA_PPSERROR" },
 463 #endif
 464 #ifdef STA_CLOCKERR
 465   { STA_CLOCKERR, "STA_CLOCKERR" },
 466 #endif
 467   { 0,             NULL }
 468 };
 469
 470 static const struct xlat adjtimex_state[] = {
 471 #ifdef TIME_OK
 472   { TIME_OK, "TIME_OK" },
 473 #endif
 474 #ifdef TIME_INS
 475   { TIME_INS, "TIME_INS" },
 476 #endif
 477 #ifdef TIME_DEL
 478   { TIME_DEL, "TIME_DEL" },
 479 #endif
 480 #ifdef TIME_OOP
 481   { TIME_OOP, "TIME_OOP" },
 482 #endif
 483 #ifdef TIME_WAIT
 484   { TIME_WAIT, "TIME_WAIT" },
 485 #endif
 486 #ifdef TIME_ERROR
 487   { TIME_ERROR, "TIME_ERROR" },
 488 #endif
 489   { 0,             NULL }
 490 };
 491
 492 #if SUPPORTED_PERSONALITIES > 1
 493 static int
 494 tprint_timex32(struct tcb *tcp, long addr)
 495 {
 496         struct {
 497                 unsigned int modes;
 498                 int     offset;
 499                 int     freq;
 500                 int     maxerror;
 501                 int     esterror;
 502                 int     status;
 503                 int     constant;
 504                 int     precision;
 505                 int     tolerance;
 506                 struct timeval32 time;
 507                 int     tick;
 508                 int     ppsfreq;
 509                 int     jitter;
 510                 int     shift;
 511                 int     stabil;
 512                 int     jitcnt;
 513                 int     calcnt;
 514                 int     errcnt;
 515                 int     stbcnt;
 516         } tx;
 517
 518         if (umove(tcp, addr, &tx) < 0)
 519                 return -1;
 520
 521         tprints("{modes=");
 522         printflags(adjtimex_modes, tx.modes, "ADJ_???");
 523         tprintf(", offset=%d, freq=%d, maxerror=%d, ",
 524                 tx.offset, tx.freq, tx.maxerror);
 525         tprintf("esterror=%u, status=", tx.esterror);
 526         printflags(adjtimex_status, tx.status, "STA_???");
 527         tprintf(", constant=%d, precision=%u, ",
 528                 tx.constant, tx.precision);
 529         tprintf("tolerance=%d, time=", tx.tolerance);
 530         tprint_timeval32(tcp, &tx.time);
 531         tprintf(", tick=%d, ppsfreq=%d, jitter=%d",
 532                 tx.tick, tx.ppsfreq, tx.jitter);
 533         tprintf(", shift=%d, stabil=%d, jitcnt=%d",
 534                 tx.shift, tx.stabil, tx.jitcnt);
 535         tprintf(", calcnt=%d, errcnt=%d, stbcnt=%d",
 536                 tx.calcnt, tx.errcnt, tx.stbcnt);
 537         tprints("}");
 538         return 0;
 539 }
 540 #endif /* SUPPORTED_PERSONALITIES > 1 */
 541
 542 static int
 543 tprint_timex(struct tcb *tcp, long addr)
 544 {
 545         struct timex tx;
 546
 547 #if SUPPORTED_PERSONALITIES > 1
 548         if (personality_wordsize[current_personality] == 4)
 549                 return tprint_timex32(tcp, addr);
 550 #endif
 551         if (umove(tcp, addr, &tx) < 0)
 552                 return -1;
 553
 554 #if LINUX_VERSION_CODE < 66332
 555         tprintf("{mode=%d, offset=%ld, frequency=%ld, ",
 556                 tx.mode, tx.offset, tx.frequency);
 557         tprintf("maxerror=%ld, esterror=%lu, status=%u, ",
 558                 tx.maxerror, tx.esterror, tx.status);
 559         tprintf("time_constant=%ld, precision=%lu, ",
 560                 tx.time_constant, tx.precision);
 561         tprintf("tolerance=%ld, time=", tx.tolerance);
 562         tprint_timeval(tcp, &tx.time);
 563 #else
 564         tprints("{modes=");
 565         printflags(adjtimex_modes, tx.modes, "ADJ_???");
 566         tprintf(", offset=%ld, freq=%ld, maxerror=%ld, ",
 567                 (long) tx.offset, (long) tx.freq, (long) tx.maxerror);
 568         tprintf("esterror=%lu, status=", (long) tx.esterror);
 569         printflags(adjtimex_status, tx.status, "STA_???");
 570         tprintf(", constant=%ld, precision=%lu, ",
 571                 (long) tx.constant, (long) tx.precision);
 572         tprintf("tolerance=%ld, time=", (long) tx.tolerance);
 573         tprint_timeval(tcp, &tx.time);
 574         tprintf(", tick=%ld, ppsfreq=%ld, jitter=%ld",
 575                 (long) tx.tick, (long) tx.ppsfreq, (long) tx.jitter);
 576         tprintf(", shift=%d, stabil=%ld, jitcnt=%ld",
 577                 tx.shift, (long) tx.stabil, (long) tx.jitcnt);
 578         tprintf(", calcnt=%ld, errcnt=%ld, stbcnt=%ld",
 579                 (long) tx.calcnt, (long) tx.errcnt, (long) tx.stbcnt);
 580 #endif
 581         tprints("}");
 582         return 0;
 583 }
 584
 585 static int
 586 do_adjtimex(struct tcb *tcp, long addr)
 587 {
 588         if (addr == 0)
 589                 tprints("NULL");
 590         else if (syserror(tcp) || !verbose(tcp))
 591                 tprintf("%#lx", addr);
 592         else if (tprint_timex(tcp, addr) < 0)
 593                 tprints("{...}");
 594         if (syserror(tcp))
 595                 return 0;
 596         tcp->auxstr = xlookup(adjtimex_state, tcp->u_rval);
 597         if (tcp->auxstr)
 598                 return RVAL_STR;
 599         return 0;
 600 }
 601
 602 int
 603 sys_adjtimex(struct tcb *tcp)
 604 {
 605         if (exiting(tcp))
 606                 return do_adjtimex(tcp, tcp->u_arg[0]);
 607         return 0;
 608 }
 609
 610 static const struct xlat clockflags[] = {
 611   { TIMER_ABSTIME, "TIMER_ABSTIME" },
 612   { 0,             NULL }
 613 };
 614
 615 static const struct xlat clocknames[] = {
 616 #ifdef CLOCK_REALTIME
 617   { CLOCK_REALTIME, "CLOCK_REALTIME" },
 618 #endif
 619 #ifdef CLOCK_MONOTONIC
 620   { CLOCK_MONOTONIC, "CLOCK_MONOTONIC" },
 621 #endif
 622 #ifdef CLOCK_PROCESS_CPUTIME_ID
 623   { CLOCK_PROCESS_CPUTIME_ID, "CLOCK_PROCESS_CPUTIME_ID" },
 624 #endif
 625 #ifdef CLOCK_THREAD_CPUTIME_ID
 626   { CLOCK_THREAD_CPUTIME_ID, "CLOCK_THREAD_CPUTIME_ID" },
 627 #endif
 628 #ifdef CLOCK_MONOTONIC_RAW
 629   { CLOCK_MONOTONIC_RAW, "CLOCK_MONOTONIC_RAW" },
 630 #endif
 631 #ifdef CLOCK_REALTIME_COARSE
 632   { CLOCK_REALTIME_COARSE, "CLOCK_REALTIME_COARSE" },
 633 #endif
 634 #ifdef CLOCK_MONOTONIC_COARSE
 635   { CLOCK_MONOTONIC_COARSE, "CLOCK_MONOTONIC_COARSE" },
 636 #endif
 637   { 0, NULL }
 638 };
 639
 640 int
 641 sys_clock_settime(struct tcb *tcp)
 642 {
 643         if (entering(tcp)) {
 644                 printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 645                 tprints(", ");
 646                 printtv(tcp, tcp->u_arg[1]);
 647         }
 648         return 0;
 649 }
 650
 651 int
 652 sys_clock_gettime(struct tcb *tcp)
 653 {
 654         if (entering(tcp)) {
 655                 printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 656                 tprints(", ");
 657         } else {
 658                 if (syserror(tcp))
 659                         tprintf("%#lx", tcp->u_arg[1]);
 660                 else
 661                         printtv(tcp, tcp->u_arg[1]);
 662         }
 663         return 0;
 664 }
 665
 666 int
 667 sys_clock_nanosleep(struct tcb *tcp)
 668 {
 669         if (entering(tcp)) {
 670                 printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 671                 tprints(", ");
 672                 printflags(clockflags, tcp->u_arg[1], "TIMER_???");
 673                 tprints(", ");
 674                 printtv(tcp, tcp->u_arg[2]);
 675                 tprints(", ");
 676         } else {
 677                 if (syserror(tcp))
 678                         tprintf("%#lx", tcp->u_arg[3]);
 679                 else
 680                         printtv(tcp, tcp->u_arg[3]);
 681         }
 682         return 0;
 683 }
 684
 685 int
 686 sys_clock_adjtime(struct tcb *tcp)
 687 {
 688         if (exiting(tcp))
 689                 return do_adjtimex(tcp, tcp->u_arg[1]);
 690         printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 691         tprints(", ");
 692         return 0;
 693 }
 694
 695 #ifndef SIGEV_THREAD_ID
 696 # define SIGEV_THREAD_ID 4
 697 #endif
 698 static const struct xlat sigev_value[] = {
 699         { SIGEV_SIGNAL+1, "SIGEV_SIGNAL" },
 700         { SIGEV_NONE+1, "SIGEV_NONE" },
 701         { SIGEV_THREAD+1, "SIGEV_THREAD" },
 702         { SIGEV_THREAD_ID+1, "SIGEV_THREAD_ID" },
 703         { 0, NULL }
 704 };
 705
 706 #if SUPPORTED_PERSONALITIES > 1
 707 static void
 708 printsigevent32(struct tcb *tcp, long arg)
 709 {
 710         struct {
 711                 int     sigev_value;
 712                 int     sigev_signo;
 713                 int     sigev_notify;
 714
 715                 union {
 716                         int     tid;
 717                         struct {
 718                                 int     function, attribute;
 719                         } thread;
 720                 } un;
 721         } sev;
 722
 723         if (umove(tcp, arg, &sev) < 0)
 724                 tprints("{...}");
 725         else {
 726                 tprintf("{%#x, ", sev.sigev_value);
 727                 if (sev.sigev_notify == SIGEV_SIGNAL)
 728                         tprintf("%s, ", signame(sev.sigev_signo));
 729                 else
 730                         tprintf("%u, ", sev.sigev_signo);
 731                 printxval(sigev_value, sev.sigev_notify + 1, "SIGEV_???");
 732                 tprints(", ");
 733                 if (sev.sigev_notify == SIGEV_THREAD_ID)
 734                         tprintf("{%d}", sev.un.tid);
 735                 else if (sev.sigev_notify == SIGEV_THREAD)
 736                         tprintf("{%#x, %#x}",
 737                                 sev.un.thread.function,
 738                                 sev.un.thread.attribute);
 739                 else
 740                         tprints("{...}");
 741                 tprints("}");
 742         }
 743 }
 744 #endif
 745
 746 void
 747 printsigevent(struct tcb *tcp, long arg)
 748 {
 749         struct sigevent sev;
 750
 751 #if SUPPORTED_PERSONALITIES > 1
 752         if (personality_wordsize[current_personality] == 4) {
 753                 printsigevent32(tcp, arg);
 754                 return;
 755         }
 756 #endif
 757         if (umove(tcp, arg, &sev) < 0)
 758                 tprints("{...}");
 759         else {
 760                 tprintf("{%p, ", sev.sigev_value.sival_ptr);
 761                 if (sev.sigev_notify == SIGEV_SIGNAL)
 762                         tprintf("%s, ", signame(sev.sigev_signo));
 763                 else
 764                         tprintf("%u, ", sev.sigev_signo);
 765                 printxval(sigev_value, sev.sigev_notify+1, "SIGEV_???");
 766                 tprints(", ");
 767                 if (sev.sigev_notify == SIGEV_THREAD_ID)
 768                         /* _pad[0] is the _tid field which might not be
 769                            present in the userlevel definition of the
 770                            struct.  */
 771                         tprintf("{%d}", sev._sigev_un._pad[0]);
 772                 else if (sev.sigev_notify == SIGEV_THREAD)
 773                         tprintf("{%p, %p}", sev.sigev_notify_function,
 774                                 sev.sigev_notify_attributes);
 775                 else
 776                         tprints("{...}");
 777                 tprints("}");
 778         }
 779 }
 780
 781 int
 782 sys_timer_create(struct tcb *tcp)
 783 {
 784         if (entering(tcp)) {
 785                 printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 786                 tprints(", ");
 787                 printsigevent(tcp, tcp->u_arg[1]);
 788                 tprints(", ");
 789         } else {
 790                 int timer_id;
 791
 792                 if (syserror(tcp) || umove(tcp, tcp->u_arg[2], &timer_id) < 0)
 793                         tprintf("%#lx", tcp->u_arg[2]);
 794                 else
 795                         tprintf("{%d}", timer_id);
 796         }
 797         return 0;
 798 }
 799
 800 int
 801 sys_timer_settime(struct tcb *tcp)
 802 {
 803         if (entering(tcp)) {
 804                 tprintf("%#lx, ", tcp->u_arg[0]);
 805                 printflags(clockflags, tcp->u_arg[1], "TIMER_???");
 806                 tprints(", ");
 807                 printitv(tcp, tcp->u_arg[2]);
 808                 tprints(", ");
 809         } else {
 810                 if (syserror(tcp))
 811                         tprintf("%#lx", tcp->u_arg[3]);
 812                 else
 813                         printitv(tcp, tcp->u_arg[3]);
 814         }
 815         return 0;
 816 }
 817
 818 int
 819 sys_timer_gettime(struct tcb *tcp)
 820 {
 821         if (entering(tcp)) {
 822                 tprintf("%#lx, ", tcp->u_arg[0]);
 823         } else {
 824                 if (syserror(tcp))
 825                         tprintf("%#lx", tcp->u_arg[1]);
 826                 else
 827                         printitv(tcp, tcp->u_arg[1]);
 828         }
 829         return 0;
 830 }
 831
 832 static void
 833 print_rtc(struct tcb *tcp, const struct rtc_time *rt)
 834 {
 835         tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
 836                 "tm_mday=%d, tm_mon=%d, tm_year=%d, ",
 837                 rt->tm_sec, rt->tm_min, rt->tm_hour,
 838                 rt->tm_mday, rt->tm_mon, rt->tm_year);
 839         if (!abbrev(tcp))
 840                 tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
 841                         rt->tm_wday, rt->tm_yday, rt->tm_isdst);
 842         else
 843                 tprints("...}");
 844 }
 845
 846 int
 847 rtc_ioctl(struct tcb *tcp, long code, long arg)
 848 {
 849         switch (code) {
 850         case RTC_ALM_SET:
 851         case RTC_SET_TIME:
 852                 if (entering(tcp)) {
 853                         struct rtc_time rt;
 854                         if (umove(tcp, arg, &rt) < 0)
 855                                 tprintf(", %#lx", arg);
 856                         else {
 857                                 tprints(", ");
 858                                 print_rtc(tcp, &rt);
 859                         }
 860                 }
 861                 break;
 862         case RTC_ALM_READ:
 863         case RTC_RD_TIME:
 864                 if (exiting(tcp)) {
 865                         struct rtc_time rt;
 866                         if (syserror(tcp) || umove(tcp, arg, &rt) < 0)
 867                                 tprintf(", %#lx", arg);
 868                         else {
 869                                 tprints(", ");
 870                                 print_rtc(tcp, &rt);
 871                         }
 872                 }
 873                 break;
 874         case RTC_IRQP_SET:
 875         case RTC_EPOCH_SET:
 876                 if (entering(tcp))
 877                         tprintf(", %lu", arg);
 878                 break;
 879         case RTC_IRQP_READ:
 880         case RTC_EPOCH_READ:
 881                 if (exiting(tcp))
 882                         tprintf(", %lu", arg);
 883                 break;
 884         case RTC_WKALM_SET:
 885                 if (entering(tcp)) {
 886                         struct rtc_wkalrm wk;
 887                         if (umove(tcp, arg, &wk) < 0)
 888                                 tprintf(", %#lx", arg);
 889                         else {
 890                                 tprintf(", {enabled=%d, pending=%d, ",
 891                                         wk.enabled, wk.pending);
 892                                 print_rtc(tcp, &wk.time);
 893                                 tprints("}");
 894                         }
 895                 }
 896                 break;
 897         case RTC_WKALM_RD:
 898                 if (exiting(tcp)) {
 899                         struct rtc_wkalrm wk;
 900                         if (syserror(tcp) || umove(tcp, arg, &wk) < 0)
 901                                 tprintf(", %#lx", arg);
 902                         else {
 903                                 tprintf(", {enabled=%d, pending=%d, ",
 904                                         wk.enabled, wk.pending);
 905                                 print_rtc(tcp, &wk.time);
 906                                 tprints("}");
 907                         }
 908                 }
 909                 break;
 910         default:
 911                 if (entering(tcp))
 912                         tprintf(", %#lx", arg);
 913                 break;
 914         }
 915         return 1;
 916 }
 917
 918 #ifndef TFD_TIMER_ABSTIME
 919 #define TFD_TIMER_ABSTIME (1 << 0)
 920 #endif
 921
 922 static const struct xlat timerfdflags[] = {
 923         { TFD_TIMER_ABSTIME,    "TFD_TIMER_ABSTIME"     },
 924         { 0,                    NULL                    }
 925 };
 926
 927 int
 928 sys_timerfd(struct tcb *tcp)
 929 {
 930         if (entering(tcp)) {
 931                 /* It does not matter that the kernel uses itimerspec.  */
 932                 tprintf("%ld, ", tcp->u_arg[0]);
 933                 printxval(clocknames, tcp->u_arg[1], "CLOCK_???");
 934                 tprints(", ");
 935                 printflags(timerfdflags, tcp->u_arg[2], "TFD_???");
 936                 tprints(", ");
 937                 printitv(tcp, tcp->u_arg[3]);
 938         }
 939         return 0;
 940 }
 941
 942 int
 943 sys_timerfd_create(struct tcb *tcp)
 944 {
 945         if (entering(tcp)) {
 946                 printxval(clocknames, tcp->u_arg[0], "CLOCK_???");
 947                 tprints(", ");
 948                 printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
 949         }
 950         return 0;
 951 }
 952
 953 int
 954 sys_timerfd_settime(struct tcb *tcp)
 955 {
 956         if (entering(tcp)) {
 957                 printfd(tcp, tcp->u_arg[0]);
 958                 tprints(", ");
 959                 printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
 960                 tprints(", ");
 961                 printitv(tcp, tcp->u_arg[2]);
 962                 tprints(", ");
 963                 printitv(tcp, tcp->u_arg[3]);
 964         }
 965         return 0;
 966 }
 967
 968 int
 969 sys_timerfd_gettime(struct tcb *tcp)
 970 {
 971         if (entering(tcp)) {
 972                 printfd(tcp, tcp->u_arg[0]);
 973                 tprints(", ");
 974                 printitv(tcp, tcp->u_arg[1]);
 975         }
 976         return 0;
 977 }