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/*
* 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) 1996-2020 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include <fcntl.h>
#include <signal.h>
#include <sys/timex.h>
#if HAVE_ARCH_TIME32_SYSCALLS || HAVE_ARCH_OLD_TIME64_SYSCALLS
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;
}
SYS_FUNC(settimeofday)
{
print_timeval(tcp, tcp->u_arg[0]);
tprints(", ");
print_timezone(tcp, tcp->u_arg[1]);
return RVAL_DECODED;
}
#endif
#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
#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
#if HAVE_ARCH_TIME32_SYSCALLS || HAVE_ARCH_OLD_TIME64_SYSCALLS
static int
do_nanosleep(struct tcb *const tcp, const print_obj_by_addr_fn print_ts)
{
if (entering(tcp)) {
print_ts(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_ts(tcp, tcp->u_arg[1]);
restore_cleared_syserror(tcp);
} else {
printaddr(tcp->u_arg[1]);
}
}
return 0;
}
#endif /* HAVE_ARCH_TIME32_SYSCALLS || HAVE_ARCH_OLD_TIME64_SYSCALLS */
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(nanosleep_time32)
{
return do_nanosleep(tcp, print_timespec32);
}
#endif
#if HAVE_ARCH_OLD_TIME64_SYSCALLS
SYS_FUNC(nanosleep_time64)
{
return do_nanosleep(tcp, print_timespec64);
}
#endif
#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 print_obj_by_addr_fn print_tx,
const kernel_ulong_t addr)
{
if (print_tx(tcp, addr))
return 0;
tcp->auxstr = xlookup(adjtimex_state, (kernel_ulong_t) tcp->u_rval);
return RVAL_STR;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(adjtimex32)
{
if (exiting(tcp))
return do_adjtimex(tcp, print_timex32, tcp->u_arg[0]);
return 0;
}
#endif
#if HAVE_ARCH_OLD_TIME64_SYSCALLS
SYS_FUNC(adjtimex64)
{
if (exiting(tcp))
# ifndef SPARC64
return do_adjtimex(tcp, print_timex64, tcp->u_arg[0]);
# else
return do_adjtimex(tcp, print_sparc64_timex, tcp->u_arg[0]);
# endif
return 0;
}
#endif
#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 (xlat_verbose(xlat_verbosity) != XLAT_STYLE_ABBREV)
tprintf("%d", clockid);
if (xlat_verbose(xlat_verbosity) == XLAT_STYLE_RAW)
return;
if (xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE)
tprints(" /* ");
if ((clockid & CLOCKFD_MASK) == CLOCKFD)
tprintf("FD_TO_CLOCKID(%d)", CLOCKID_TO_FD(clockid));
else {
tprintf("%s(%d,",
CPUCLOCK_PERTHREAD(clockid) ?
"MAKE_THREAD_CPUCLOCK" :
"MAKE_PROCESS_CPUCLOCK",
CPUCLOCK_PID(clockid));
printxval(cpuclocknames, clockid & CLOCKFD_MASK,
"CPUCLOCK_???");
tprints(")");
}
if (xlat_verbose(xlat_verbosity) == XLAT_STYLE_VERBOSE)
tprints(" */");
} else
#endif
printxval(clocknames, clockid, "CLOCK_???");
}
static int
do_clock_settime(struct tcb *const tcp, const print_obj_by_addr_fn print_ts)
{
printclockname(tcp->u_arg[0]);
tprints(", ");
print_ts(tcp, tcp->u_arg[1]);
return RVAL_DECODED;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(clock_settime32)
{
return do_clock_settime(tcp, print_timespec32);
}
#endif
SYS_FUNC(clock_settime64)
{
return do_clock_settime(tcp, print_timespec64);
}
static int
do_clock_gettime(struct tcb *const tcp, const print_obj_by_addr_fn print_ts)
{
if (entering(tcp)) {
printclockname(tcp->u_arg[0]);
tprints(", ");
} else {
print_ts(tcp, tcp->u_arg[1]);
}
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(clock_gettime32)
{
return do_clock_gettime(tcp, print_timespec32);
}
#endif
SYS_FUNC(clock_gettime64)
{
return do_clock_gettime(tcp, print_timespec64);
}
static int
do_clock_nanosleep(struct tcb *const tcp, const print_obj_by_addr_fn print_ts)
{
if (entering(tcp)) {
printclockname(tcp->u_arg[0]);
tprints(", ");
printflags(clockflags, tcp->u_arg[1], "TIMER_???");
tprints(", ");
print_ts(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_ts(tcp, tcp->u_arg[3]);
restore_cleared_syserror(tcp);
} else {
printaddr(tcp->u_arg[3]);
}
}
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(clock_nanosleep_time32)
{
return do_clock_nanosleep(tcp, print_timespec32);
}
#endif
SYS_FUNC(clock_nanosleep_time64)
{
return do_clock_nanosleep(tcp, print_timespec64);
}
static int
do_clock_adjtime(struct tcb *const tcp, const print_obj_by_addr_fn print_tx)
{
if (exiting(tcp))
return do_adjtimex(tcp, print_tx, tcp->u_arg[1]);
printclockname(tcp->u_arg[0]);
tprints(", ");
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(clock_adjtime32)
{
return do_clock_adjtime(tcp, print_timex32);
}
#endif
SYS_FUNC(clock_adjtime64)
{
return do_clock_adjtime(tcp, print_timex64);
}
#ifdef SPARC64
SYS_FUNC(clock_sparc64_adjtime)
{
return do_clock_adjtime(tcp, print_sparc64_timex);
}
#endif
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;
}
static int
do_timer_settime(struct tcb *const tcp, const print_obj_by_addr_fn print_its)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
printflags(clockflags, tcp->u_arg[1], "TIMER_???");
tprints(", ");
print_its(tcp, tcp->u_arg[2]);
tprints(", ");
} else {
print_its(tcp, tcp->u_arg[3]);
}
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(timer_settime32)
{
return do_timer_settime(tcp, print_itimerspec32);
}
#endif
SYS_FUNC(timer_settime64)
{
return do_timer_settime(tcp, print_itimerspec64);
}
static int
do_timer_gettime(struct tcb *const tcp, const print_obj_by_addr_fn print_its)
{
if (entering(tcp)) {
tprintf("%d, ", (int) tcp->u_arg[0]);
} else {
print_its(tcp, tcp->u_arg[1]);
}
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(timer_gettime32)
{
return do_timer_gettime(tcp, print_itimerspec32);
}
#endif
SYS_FUNC(timer_gettime64)
{
return do_timer_gettime(tcp, print_itimerspec64);
}
#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;
}
static int
do_timerfd_settime(struct tcb *const tcp, const print_obj_by_addr_fn print_its)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printflags(timerfdflags, tcp->u_arg[1], "TFD_???");
tprints(", ");
print_its(tcp, tcp->u_arg[2]);
tprints(", ");
} else {
print_its(tcp, tcp->u_arg[3]);
}
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(timerfd_settime32)
{
return do_timerfd_settime(tcp, print_itimerspec32);
}
#endif
SYS_FUNC(timerfd_settime64)
{
return do_timerfd_settime(tcp, print_itimerspec64);
}
static int
do_timerfd_gettime(struct tcb *const tcp, const print_obj_by_addr_fn print_its)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_its(tcp, tcp->u_arg[1]);
}
return 0;
}
#if HAVE_ARCH_TIME32_SYSCALLS
SYS_FUNC(timerfd_gettime32)
{
return do_timerfd_gettime(tcp, print_itimerspec32);
}
#endif
SYS_FUNC(timerfd_gettime64)
{
return do_timerfd_gettime(tcp, print_itimerspec64);
}
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