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