1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright (C) 2012 ARM Limited 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun #ifndef __ASM_VDSO_H 6*4882a593Smuzhiyun #define __ASM_VDSO_H 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun /* 9*4882a593Smuzhiyun * Default link address for the vDSO. 10*4882a593Smuzhiyun * Since we randomise the VDSO mapping, there's little point in trying 11*4882a593Smuzhiyun * to prelink this. 12*4882a593Smuzhiyun */ 13*4882a593Smuzhiyun #define VDSO_LBASE 0x0 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #define __VVAR_PAGES 2 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifndef __ASSEMBLY__ 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #include <generated/vdso-offsets.h> 20*4882a593Smuzhiyun #ifdef CONFIG_COMPAT_VDSO 21*4882a593Smuzhiyun #include <generated/vdso32-offsets.h> 22*4882a593Smuzhiyun #endif 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define VDSO_SYMBOL(base, name) \ 25*4882a593Smuzhiyun ({ \ 26*4882a593Smuzhiyun (void *)(vdso_offset_##name - VDSO_LBASE + (unsigned long)(base)); \ 27*4882a593Smuzhiyun }) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #endif /* !__ASSEMBLY__ */ 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #endif /* __ASM_VDSO_H */ 32