/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_KASAN_H #define __ASM_KASAN_H #ifdef CONFIG_KASAN #define _GLOBAL_KASAN(fn) _GLOBAL(__##fn) #define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(__##fn) #define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn) #else #define _GLOBAL_KASAN(fn) _GLOBAL(fn) #define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(fn) #define EXPORT_SYMBOL_KASAN(fn) #endif #ifndef __ASSEMBLY__ #include <asm/page.h> #define KASAN_SHADOW_SCALE_SHIFT 3 #define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \ (PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT)) #define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET) #define KASAN_SHADOW_END (-(-KASAN_SHADOW_START >> KASAN_SHADOW_SCALE_SHIFT)) #ifdef CONFIG_KASAN void kasan_early_init(void); void kasan_init(void); void kasan_late_init(void); #else static inline void kasan_init(void) { } static inline void kasan_late_init(void) { } #endif void kasan_update_early_region(unsigned long k_start, unsigned long k_end, pte_t pte); int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end); int kasan_init_region(void *start, size_t size); #endif /* __ASSEMBLY */ #endif