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
9extern void *memset(void *__s, int __c, size_t __count);
10extern void *__memset(void *__s, int __c, size_t __count);
11
12#define __HAVE_ARCH_MEMCPY
13extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
14extern void *__memcpy(void *__to, __const__ void *__from, size_t __n);
15
16#define __HAVE_ARCH_MEMMOVE
17extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
18extern 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