1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) 2013 Regents of the University of California 4 */ 5 6#ifndef _ASM_RISCV_STRING_H 7#define _ASM_RISCV_STRING_H 8 9#include <linux/types.h> 10#include <linux/linkage.h> 11 12#define __HAVE_ARCH_MEMSET 13extern asmlinkage void *memset(void *, int, size_t); 14extern asmlinkage void *__memset(void *, int, size_t); 15#define __HAVE_ARCH_MEMCPY 16extern asmlinkage void *memcpy(void *, const void *, size_t); 17extern asmlinkage void *__memcpy(void *, const void *, size_t); 18#define __HAVE_ARCH_MEMMOVE 19extern asmlinkage void *memmove(void *, const void *, size_t); 20extern asmlinkage void *__memmove(void *, const void *, size_t); 21 22#define __HAVE_ARCH_STRCMP 23extern asmlinkage int strcmp(const char *cs, const char *ct); 24 25#define __HAVE_ARCH_STRLEN 26extern asmlinkage __kernel_size_t strlen(const char *); 27 28#define __HAVE_ARCH_STRNCMP 29extern asmlinkage int strncmp(const char *cs, const char *ct, size_t count); 30 31/* For those files which don't want to check by kasan. */ 32#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) 33#define memcpy(dst, src, len) __memcpy(dst, src, len) 34#define memset(s, c, n) __memset(s, c, n) 35#define memmove(dst, src, len) __memmove(dst, src, len) 36 37#ifndef __NO_FORTIFY 38#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ 39#endif 40 41#endif 42#endif /* _ASM_RISCV_STRING_H */ 43