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- #ifndef _ASM_X86_KASAN_H
- #define _ASM_X86_KASAN_H
- #include <linux/const.h>
- #define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
- /*
- * Compiler uses shadow offset assuming that addresses start
- * from 0. Kernel addresses don't start from 0, so shadow
- * for kernel really starts from compiler's shadow offset +
- * 'kernel address space start' >> KASAN_SHADOW_SCALE_SHIFT
- */
- #define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \
- (0xffff800000000000ULL >> 3))
- /* 47 bits for kernel address -> (47 - 3) bits for shadow */
- #define KASAN_SHADOW_END (KASAN_SHADOW_START + (1ULL << (47 - 3)))
- #ifndef __ASSEMBLY__
- #ifdef CONFIG_KASAN
- void __init kasan_early_init(void);
- void __init kasan_init(void);
- #else
- static inline void kasan_early_init(void) { }
- static inline void kasan_init(void) { }
- #endif
- #endif
- #endif
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