linux/arch/arm64/include/asm/vdso.h

42 lines
1.1 KiB
C

/*
* Copyright (C) 2012 ARM Limited
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __ASM_VDSO_H
#define __ASM_VDSO_H
#ifdef __KERNEL__
/*
* Default link address for the vDSO.
* Since we randomise the VDSO mapping, there's little point in trying
* to prelink this.
*/
#define VDSO_LBASE 0x0
#ifndef __ASSEMBLY__
#include <generated/vdso-offsets.h>
#define VDSO_SYMBOL(base, name) \
({ \
(void *)(vdso_offset_##name - VDSO_LBASE + (unsigned long)(base)); \
})
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* __ASM_VDSO_H */