60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
/*
|
||
|
* ARM64 compat userspace implementations of gettimeofday() and similar.
|
||
|
*
|
||
|
* Copyright (C) 2018 ARM Limited
|
||
|
*
|
||
|
*/
|
||
|
#include <linux/time.h>
|
||
|
#include <linux/types.h>
|
||
|
|
||
|
int __vdso_clock_gettime(clockid_t clock,
|
||
|
struct old_timespec32 *ts)
|
||
|
{
|
||
|
/* The checks below are required for ABI consistency with arm */
|
||
|
if ((u32)ts >= TASK_SIZE_32)
|
||
|
return -EFAULT;
|
||
|
|
||
|
return __cvdso_clock_gettime32(clock, ts);
|
||
|
}
|
||
|
|
||
|
int __vdso_clock_gettime64(clockid_t clock,
|
||
|
struct __kernel_timespec *ts)
|
||
|
{
|
||
|
/* The checks below are required for ABI consistency with arm */
|
||
|
if ((u32)ts >= TASK_SIZE_32)
|
||
|
return -EFAULT;
|
||
|
|
||
|
return __cvdso_clock_gettime(clock, ts);
|
||
|
}
|
||
|
|
||
|
int __vdso_gettimeofday(struct __kernel_old_timeval *tv,
|
||
|
struct timezone *tz)
|
||
|
{
|
||
|
return __cvdso_gettimeofday(tv, tz);
|
||
|
}
|
||
|
|
||
|
int __vdso_clock_getres(clockid_t clock_id,
|
||
|
struct old_timespec32 *res)
|
||
|
{
|
||
|
/* The checks below are required for ABI consistency with arm */
|
||
|
if ((u32)res >= TASK_SIZE_32)
|
||
|
return -EFAULT;
|
||
|
|
||
|
return __cvdso_clock_getres_time32(clock_id, res);
|
||
|
}
|
||
|
|
||
|
/* Avoid unresolved references emitted by GCC */
|
||
|
|
||
|
void __aeabi_unwind_cpp_pr0(void)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
void __aeabi_unwind_cpp_pr1(void)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
void __aeabi_unwind_cpp_pr2(void)
|
||
|
{
|
||
|
}
|