1 /* 2 * Copyright (C) 2012 ARM Limited 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16 #ifndef __ASM_VDSO_H 17 #define __ASM_VDSO_H 18 19 #ifdef __KERNEL__ 20 21 /* 22 * Default link address for the vDSO. 23 * Since we randomise the VDSO mapping, there's little point in trying 24 * to prelink this. 25 */ 26 #define VDSO_LBASE 0x0 27 28 #ifndef __ASSEMBLY__ 29 30 #include <generated/vdso-offsets.h> 31 32 #define VDSO_SYMBOL(base, name) \ 33 ({ \ 34 (void *)(vdso_offset_##name - VDSO_LBASE + (unsigned long)(base)); \ 35 }) 36 37 #endif /* !__ASSEMBLY__ */ 38 39 #endif /* __KERNEL__ */ 40 41 #endif /* __ASM_VDSO_H */ 42