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