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