1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __ASM_SH_STRING_H
3 #define __ASM_SH_STRING_H
8 * Copyright (C) 1999 Niibe Yutaka
9 * But consider these trivial functions to be public domain.
12 #define __HAVE_ARCH_STRCPY
13 static inline char *strcpy(char *__dest, const char *__src)
15 register char *__xdest = __dest;
16 unsigned long __dummy;
18 __asm__ __volatile__("1:\n\t"
24 : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
25 : "0" (__dest), "1" (__src)
31 #define __HAVE_ARCH_STRNCPY
32 static inline char *strncpy(char *__dest, const char *__src, size_t __n)
34 register char *__xdest = __dest;
35 unsigned long __dummy;
50 : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
51 : "0" (__dest), "1" (__src), "r" (__src+__n)
57 #define __HAVE_ARCH_STRCMP
58 static inline int strcmp(const char *__cs, const char *__ct)
61 unsigned long __dummy;
76 : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
77 : "0" (__cs), "1" (__ct)
83 #define __HAVE_ARCH_STRNCMP
84 static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
87 unsigned long __dummy;
102 " mov.b @%1+, %3\n\t"
108 :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
109 : "0" (__cs), "1" (__ct), "r" (__cs+__n)
115 #define __HAVE_ARCH_MEMSET
116 extern void *memset(void *__s, int __c, size_t __count);
118 #define __HAVE_ARCH_MEMCPY
119 extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
121 #define __HAVE_ARCH_MEMMOVE
122 extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
124 #define __HAVE_ARCH_MEMCHR
125 extern void *memchr(const void *__s, int __c, size_t __n);
127 #define __HAVE_ARCH_STRLEN
128 extern size_t strlen(const char *);
130 #endif /* __KERNEL__ */
132 #endif /* __ASM_SH_STRING_H */