linux/arch/arm64/kernel/vdso/vgettimeofday.c

// SPDX-License-Identifier: GPL-2.0
/*
 * ARM64 userspace implementations of gettimeofday() and similar.
 *
 * Copyright (C) 2018 ARM Limited
 *
 */

int __kernel_clock_gettime(clockid_t clock, struct __kernel_timespec *ts);
int __kernel_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
int __kernel_clock_getres(clockid_t clock_id, struct __kernel_timespec *res);

int __kernel_clock_gettime(clockid_t clock,
			   struct __kernel_timespec *ts)
{
	return __cvdso_clock_gettime(clock, ts);
}

int __kernel_gettimeofday(struct __kernel_old_timeval *tv,
			  struct timezone *tz)
{
	return __cvdso_gettimeofday(tv, tz);
}

int __kernel_clock_getres(clockid_t clock_id,
			  struct __kernel_timespec *res)
{
	return __cvdso_clock_getres(clock_id, res);
}