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/* 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 */