Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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#ifdef CONFIG_64BIT
9#define __HAVE_ARCH_MEMSET
10extern void *memset(void *__s, int __c, size_t __count);
11extern void *__memset(void *__s, int __c, size_t __count);
12
13#define __HAVE_ARCH_MEMCPY
14extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
15extern void *__memcpy(void *__to, __const__ void *__from, size_t __n);
16
17#define __HAVE_ARCH_MEMMOVE
18extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
19extern void *__memmove(void *__dest, __const__ void *__src, size_t __n);
20#endif
21
22#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__)
23
24/*
25 * For files that are not instrumented (e.g. mm/slub.c) we
26 * should use not instrumented version of mem* functions.
27 */
28
29#define memset(s, c, n) __memset(s, c, n)
30#define memcpy(dst, src, len) __memcpy(dst, src, len)
31#define memmove(dst, src, len) __memmove(dst, src, len)
32
33#ifndef __NO_FORTIFY
34#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */
35#endif
36
37#endif
38
39#endif /* _ASM_STRING_H */