/*
* 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>
* Copyright (c) 1996-2017 The strace developers.
* 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.
*/
#include "defs.h"
#include <fcntl.h>
#include <signal.h>
#include <sys/timex.h>
static void
print_timezone(struct tcb *const tcp, const kernel_ulong_t addr)
{
struct timezone tz;
if (umove_or_printaddr(tcp, addr, &tz))
return;
tprintf("{tz_minuteswest=%d, tz_dsttime=%d}",
tz.tz_minuteswest, tz.tz_dsttime);
}
SYS_FUNC(gettimeofday)
{
if (exiting(tcp)) {
print_timeval(tcp, tcp->u_arg[0]);
tprints(", ");
print_timezone(tcp, tcp->u_arg[1]);
}
return 0;
}
#ifdef ALPHA
SYS_FUNC(osf_gettimeofday)
{
if (exiting(tcp)) {
print_timeval32(tcp, tcp->u_arg[0]);
tprints(", ");
print_timezone(tcp, tcp->u_arg[1]);
}
return 0;
}
#endif
SYS_FUNC(settimeofday)
{
print_timeval(tcp, tcp->u_arg[0]);
tprints(", ");
print_timezone(tcp, tcp->u_arg[1]);
return RVAL_DECODED;
}
#ifdef ALPHA
SYS_FUNC(osf_settimeofday)
{
print_timeval32(tcp, tcp->u_arg[0]);
tprints(", ");
print_timezone(tcp, tcp->u_arg[1]);
return RVAL_DECODED;
}
#endif
SYS_FUNC(nanosleep)
{
if (entering(tcp)) {
print_timespec(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
/*
* Second (returned) timespec is only significant if syscall
* was interrupted. On success and in case of other errors we
* print only its address, since kernel doesn't modify it,
* and printing the value may show uninitialized data.
*/
if (is_erestart(tcp)) {
temporarily_clear_syserror(tcp);
print_timespec(tcp, tcp->u_arg[1]);
restore_cleared_syserror(tcp);
} else {
printaddr(tcp->u_arg[1]);
}
}
return 0;
}
#include "xlat/itimer_which.h"
SYS_FUNC(getitimer)
{
if (entering(tcp)) {
printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
tprints(", ");
} else {
print_itimerval(tcp, tcp->u_arg[1]);
}
return 0;
}
#ifdef ALPHA
SYS_FUNC(osf_getitimer)
{
if (entering(tcp)) {
printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
tprints(", ");
} else {
print_itimerval32(tcp, tcp->u_arg[1]);
}
return 0;
}
#endif
SYS_FUNC(setitimer)
{
if (entering(tcp)) {
printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
tprints(", ");
print_itimerval(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
print_itimerval(tcp, tcp->u_arg[2]);
}
return 0;
}
#ifdef ALPHA
SYS_FUNC(osf_setitimer)
{
if (entering(tcp)) {
printxval(itimer_which, tcp->u_arg[0], "ITIMER_???");
tprints(", ");
print_itimerval32(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
print_itimerval32(tcp, tcp->u_arg[2]);
}
return 0;
}
#endif
#include "xlat/adjtimex_state.h"
static int
do_adjtimex(struct tcb *const tcp, const kernel_ulong_t addr)
{
if (print_timex(tcp, addr))
return 0;
tcp->auxstr = xlookup(adjtimex_state, (kernel_ulong_t) tcp->u_rval);
if (tcp->auxstr)
return RVAL_STR;
return 0;
}
SYS_FUNC(adjtimex)
{
if (exiting(tcp))
return do_adjtimex(tcp, tcp->u_arg[0]);
return 0;
}
#include "xlat/clockflags.h"
#include "xlat/clocknames.h"
static void
printclockname(int clockid)
{
#ifdef CLOCKID_TO_FD
# include "xlat/cpuclocknames.h"
if (clockid < 0) {
if ((clockid & CLOCKFD_MASK) == CLOCKFD)
tprintf("FD_TO_CLOCKID(%d)", CLOCKID_TO_FD(clockid));
else {
if (CPUCLOCK_PERTHREAD(clockid))
tprintf("MAKE_THREAD_CPUCLOCK(%d,", CPUCLOCK_PID(clockid));
else
tprintf("MAKE_PROCESS_CPUCLOCK(%d,", CPUCLOCK_PID(clockid));
printxval(cpuclocknames, clockid & CLOCKFD_MASK, "CPUCLOCK_???");
tprints(")");
}
} else
#endif
printxval(clocknames, clockid, "CLOCK_???");
}
SYS_FUNC(clock_settime)
{
printclockname(tcp->u_arg[0]);
tprints(", ");
print_timespec(tcp, tcp->u_arg[1]);
return RVAL_DECODED;
}
SYS_FUNC(clock_gettime)
{
if (entering(tcp)) {
printclockname(tcp->u_arg[0]);
tprints(", ");
} else {
print_timespec(tcp, tcp->u_arg[1]);
}
return 0;
}
SYS_FUNC(clock_nanosleep)
{
if (entering(tcp)) {
printclockname(tcp->u_arg[0]);
tprints(", ");
printflags(clockflags, tcp->u_arg[1], "TIMER_???");
tprints(", ");
print_timespec(tcp, tcp->u_arg[2]);
tprints(", ");
} else {
/*
* Second (returned) timespec is only significant
* if syscall was interrupted and flags is not TIMER_ABSTIME.
*/
if (!tcp->u_arg[1] && is_erestart(tcp)) {
temporarily_clear_syserror(tcp);
print_timespec(tcp, tcp->u_arg[3]);
restore_cleared_syserror(tcp);
} else {
printaddr(tcp->u_arg[3]);
}
}
return 0;
}
SYS_FUNC(clock_adjtime)
{
if (exiting(tcp))
return do_adjtimex(tcp, tcp->u_arg[1]);
printclockname(tcp->u_arg[0]);
tprints(", ");
return 0;
}
SYS_FUNC(timer_create)
{
if (entering(tcp)) {
printclockname(tcp->u_arg[0]);
tprints(", ");
print_sigevent(tcp, tcp->u_arg[1]);
tprints(", ");
} else {
printnum_int(tcp, tcp->u_arg[2], "%d");
}
return 0;
}
SYS_FUNC(timer_settime)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
printflags(clockflags, tcp->u_arg[1], "TIMER_???");
tprints(", ");
print_itimerspec(tcp, tcp->u_arg[2]);
tprints(", ");
} else {
print_itimerspec(tcp, tcp->u_arg[3]);
}
return 0;
}
SYS_FUNC(timer_gettime)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
} else {
print_itimerspec(tcp, tcp->u_arg[1]);
}
return 0;
}
#include "xlat/timerfdflags.h"
SYS_FUNC(timerfd_create)
{
printclockname(tcp->u_arg[0]);
tprints(", ");
printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
return RVAL_DECODED | RVAL_FD;
}
SYS_FUNC(timerfd_settime)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
tprints(", ");
print_itimerspec(tcp, tcp->u_arg[2]);
tprints(", ");
} else {
print_itimerspec(tcp, tcp->u_arg[3]);
}
return 0;
}
SYS_FUNC(timerfd_gettime)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_itimerspec(tcp, tcp->u_arg[1]);
}
return 0;
}