1559671e0SHuacai Chen /* SPDX-License-Identifier: GPL-2.0 */ 2559671e0SHuacai Chen /* 3559671e0SHuacai Chen * Copyright (C) 2020-2022 Loongson Technology Corporation Limited 4559671e0SHuacai Chen */ 5559671e0SHuacai Chen #ifndef _ASM_STRING_H 6559671e0SHuacai Chen #define _ASM_STRING_H 7559671e0SHuacai Chen 8a275a82dSHuacai Chen #define __HAVE_ARCH_MEMSET 9559671e0SHuacai Chen extern void *memset(void *__s, int __c, size_t __count); 10*5aa4ac64SQing Zhang extern void *__memset(void *__s, int __c, size_t __count); 11a275a82dSHuacai Chen 12a275a82dSHuacai Chen #define __HAVE_ARCH_MEMCPY 13559671e0SHuacai Chen extern void *memcpy(void *__to, __const__ void *__from, size_t __n); 14*5aa4ac64SQing Zhang extern void *__memcpy(void *__to, __const__ void *__from, size_t __n); 15a275a82dSHuacai Chen 16a275a82dSHuacai Chen #define __HAVE_ARCH_MEMMOVE 17559671e0SHuacai Chen extern void *memmove(void *__dest, __const__ void *__src, size_t __n); 18*5aa4ac64SQing Zhang extern void *__memmove(void *__dest, __const__ void *__src, size_t __n); 19*5aa4ac64SQing Zhang 20*5aa4ac64SQing Zhang #if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) 21*5aa4ac64SQing Zhang 22*5aa4ac64SQing Zhang /* 23*5aa4ac64SQing Zhang * For files that are not instrumented (e.g. mm/slub.c) we 24*5aa4ac64SQing Zhang * should use not instrumented version of mem* functions. 25*5aa4ac64SQing Zhang */ 26*5aa4ac64SQing Zhang 27*5aa4ac64SQing Zhang #define memset(s, c, n) __memset(s, c, n) 28*5aa4ac64SQing Zhang #define memcpy(dst, src, len) __memcpy(dst, src, len) 29*5aa4ac64SQing Zhang #define memmove(dst, src, len) __memmove(dst, src, len) 30*5aa4ac64SQing Zhang 31*5aa4ac64SQing Zhang #ifndef __NO_FORTIFY 32*5aa4ac64SQing Zhang #define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ 33*5aa4ac64SQing Zhang #endif 34*5aa4ac64SQing Zhang 35*5aa4ac64SQing Zhang #endif 36559671e0SHuacai Chen 37559671e0SHuacai Chen #endif /* _ASM_STRING_H */ 38