diff options
Diffstat (limited to 'arch/riscv/include/asm/string.h')
| -rw-r--r-- | arch/riscv/include/asm/string.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/string.h b/arch/riscv/include/asm/string.h new file mode 100644 index 0000000000..a96b1fea24 --- /dev/null +++ b/arch/riscv/include/asm/string.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2013 Regents of the University of California + */ + +#ifndef _ASM_RISCV_STRING_H +#define _ASM_RISCV_STRING_H + +#include <linux/types.h> +#include <linux/linkage.h> + +#define __HAVE_ARCH_MEMSET +extern asmlinkage void *memset(void *, int, size_t); +extern asmlinkage void *__memset(void *, int, size_t); +#define __HAVE_ARCH_MEMCPY +extern asmlinkage void *memcpy(void *, const void *, size_t); +extern asmlinkage void *__memcpy(void *, const void *, size_t); +#define __HAVE_ARCH_MEMMOVE +extern asmlinkage void *memmove(void *, const void *, size_t); +extern asmlinkage void *__memmove(void *, const void *, size_t); + +#define __HAVE_ARCH_STRCMP +extern asmlinkage int strcmp(const char *cs, const char *ct); + +#define __HAVE_ARCH_STRLEN +extern asmlinkage __kernel_size_t strlen(const char *); + +#define __HAVE_ARCH_STRNCMP +extern asmlinkage int strncmp(const char *cs, const char *ct, size_t count); + +/* For those files which don't want to check by kasan. */ +#if defined(CONFIG_KASAN) && !defined(__SANITIZE_ADDRESS__) +#define memcpy(dst, src, len) __memcpy(dst, src, len) +#define memset(s, c, n) __memset(s, c, n) +#define memmove(dst, src, len) __memmove(dst, src, len) + +#ifndef __NO_FORTIFY +#define __NO_FORTIFY /* FORTIFY_SOURCE uses __builtin_memcpy, etc. */ +#endif + +#endif +#endif /* _ASM_RISCV_STRING_H */ |