Current File : //usr/src/linux-headers-5.15.0-125-generic/arch/riscv/include/asm/vdso.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 ARM Limited
* Copyright (C) 2014 Regents of the University of California
* Copyright (C) 2017 SiFive
*/
#ifndef _ASM_RISCV_VDSO_H
#define _ASM_RISCV_VDSO_H
/*
* All systems with an MMU have a VDSO, but systems without an MMU don't
* support shared libraries and therefor don't have one.
*/
#ifdef CONFIG_MMU
#include <linux/types.h>
/*
* All systems with an MMU have a VDSO, but systems without an MMU don't
* support shared libraries and therefor don't have one.
*/
#ifdef CONFIG_MMU
#define __VVAR_PAGES 1
#ifndef __ASSEMBLY__
#include <generated/vdso-offsets.h>
#define VDSO_SYMBOL(base, name) \
(void __user *)((unsigned long)(base) + __vdso_##name##_offset)
#endif /* CONFIG_MMU */
#endif /* !__ASSEMBLY__ */
#endif /* CONFIG_MMU */
#endif /* _ASM_RISCV_VDSO_H */
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