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Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/include/asm/vdso.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/vdso.h b/arch/arm64/include/asm/vdso.h new file mode 100644 index 000000000..839ce0031 --- /dev/null +++ b/arch/arm64/include/asm/vdso.h @@ -0,0 +1,41 @@ +/* + * 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 */ |