tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __ASM_KASAN_H
3#define __ASM_KASAN_H
4
5#ifdef CONFIG_KASAN
6#define _GLOBAL_KASAN(fn) _GLOBAL(__##fn)
7#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(__##fn)
8#define EXPORT_SYMBOL_KASAN(fn) EXPORT_SYMBOL(__##fn)
9#else
10#define _GLOBAL_KASAN(fn) _GLOBAL(fn)
11#define _GLOBAL_TOC_KASAN(fn) _GLOBAL_TOC(fn)
12#define EXPORT_SYMBOL_KASAN(fn)
13#endif
14
15#ifndef __ASSEMBLY__
16
17#include <asm/page.h>
18
19#define KASAN_SHADOW_SCALE_SHIFT 3
20
21#define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET + \
22 (PAGE_OFFSET >> KASAN_SHADOW_SCALE_SHIFT))
23
24#define KASAN_SHADOW_OFFSET ASM_CONST(CONFIG_KASAN_SHADOW_OFFSET)
25
26#define KASAN_SHADOW_END (-(-KASAN_SHADOW_START >> KASAN_SHADOW_SCALE_SHIFT))
27
28#ifdef CONFIG_KASAN
29void kasan_early_init(void);
30void kasan_init(void);
31void kasan_late_init(void);
32#else
33static inline void kasan_init(void) { }
34static inline void kasan_late_init(void) { }
35#endif
36
37void kasan_update_early_region(unsigned long k_start, unsigned long k_end, pte_t pte);
38int kasan_init_shadow_page_tables(unsigned long k_start, unsigned long k_end);
39int kasan_init_region(void *start, size_t size);
40
41#endif /* __ASSEMBLY */
42#endif