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: /lib/modules/5.11.0-1022-aws/build/arch/riscv/include/asm/ [ drwxr-xr-x ]
name : 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 #include <linux/types.h> #ifndef CONFIG_GENERIC_TIME_VSYSCALL struct vdso_data { }; #endif /* * The VDSO symbols are mapped into Linux so we can just use regular symbol * addressing to get their offsets in userspace. The symbols are mapped at an * offset of 0, but since the linker must support setting weak undefined * symbols to the absolute address 0 it also happens to support other low * addresses even when the code model suggests those low addresses would not * otherwise be availiable. */ #define VDSO_SYMBOL(base, name) \ ({ \ extern const char __vdso_##name[]; \ (void __user *)((unsigned long)(base) + __vdso_##name); \ }) asmlinkage long sys_riscv_flush_icache(uintptr_t, uintptr_t, uintptr_t); #endif /* _ASM_RISCV_VDSO_H */