1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
4  */
5 #ifndef _ASM_STRING_H
6 #define _ASM_STRING_H
7 
8 #define __HAVE_ARCH_MEMSET
9 extern void *memset(void *__s, int __c, size_t __count);
10 extern void *__memset(void *__s, int __c, size_t __count);
11 
12 #define __HAVE_ARCH_MEMCPY
13 extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
14 extern void *__memcpy(void *__to, __const__ void *__from, size_t __n);
15 
16 #define __HAVE_ARCH_MEMMOVE
17 extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
18 extern void *__memmove(void *__dest, __const__ void *__src, size_t __n);
19 
20 #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
21 
22 /*
23  * For files that are not instrumented (e.g. mm/slub.c) we
24  * should use not instrumented version of mem* functions.
25  */
26 
27 #define memset(s, c, n) __memset(s, c, n)
28 #define memcpy(dst, src, len) __memcpy(dst, src, len)
29 #define memmove(dst, src, len) __memmove(dst, src, len)
30 
31 #ifndef __NO_FORTIFY
32 #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
33 #endif
34 
35 #endif
36 
37 #endif /* _ASM_STRING_H */
38