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