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51 lines
1.4 KiB
51 lines
1.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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#ifndef __ASM_KASAN_H |
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#define __ASM_KASAN_H |
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#ifdef CONFIG_KASAN |
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#define _GLOBAL_KASAN(fn) _GLOBAL(__##fn) |
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#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(__##fn) |
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#define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn) |
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#else |
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#define _GLOBAL_KASAN(fn) _GLOBAL(fn) |
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#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(fn) |
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#define EXPORT_SYMBOL_KASAN(fn) |
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#endif |
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#ifndef __ASSEMBLY__ |
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#include <asm/page.h> |
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#include <linux/sizes.h> |
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#define KASAN_SHADOW_SCALE_SHIFT 3 |
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#ifdef CONFIG_MODULES |
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#define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M) |
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#else |
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#define KASAN_KERN_START PAGE_OFFSET |
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#endif |
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#define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \ |
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(KASAN_KERN_START >> KASAN_SHADOW_SCALE_SHIFT)) |
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#define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET) |
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#define KASAN_SHADOW_END (-(-KASAN_SHADOW_START >> KASAN_SHADOW_SCALE_SHIFT)) |
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#ifdef CONFIG_KASAN |
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void kasan_early_init(void); |
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void kasan_mmu_init(void); |
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void kasan_init(void); |
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void kasan_late_init(void); |
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#else |
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static inline void kasan_init(void) { } |
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static inline void kasan_mmu_init(void) { } |
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static inline void kasan_late_init(void) { } |
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#endif |
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void kasan_update_early_region(unsigned long k_start, unsigned long k_end, pte_t pte); |
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int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end); |
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int kasan_init_region(void *start, size_t size); |
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#endif /* __ASSEMBLY */ |
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#endif
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