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0b135cfc NI |
1 | #ifndef __ASM_SH_STRING_H |
2 | #define __ASM_SH_STRING_H | |
3 | ||
4 | /* | |
5 | * Copyright (C) 1999 Niibe Yutaka | |
6 | * But consider these trivial functions to be public domain. | |
7 | * | |
8 | * from linux kernel code. | |
9 | */ | |
10 | ||
b02bad12 NI |
11 | #ifdef __KERNEL__ /* only set these up for kernel code */ |
12 | ||
0b135cfc NI |
13 | #define __HAVE_ARCH_STRCPY |
14 | static inline char *strcpy(char *__dest, const char *__src) | |
15 | { | |
16 | register char *__xdest = __dest; | |
17 | unsigned long __dummy; | |
18 | ||
19 | __asm__ __volatile__("1:\n\t" | |
20 | "mov.b @%1+, %2\n\t" | |
21 | "mov.b %2, @%0\n\t" | |
22 | "cmp/eq #0, %2\n\t" | |
23 | "bf/s 1b\n\t" | |
24 | " add #1, %0\n\t" | |
25 | : "=r" (__dest), "=r" (__src), "=&z" (__dummy) | |
26 | : "0" (__dest), "1" (__src) | |
27 | : "memory", "t"); | |
28 | ||
29 | return __xdest; | |
30 | } | |
31 | ||
32 | #define __HAVE_ARCH_STRNCPY | |
33 | static inline char *strncpy(char *__dest, const char *__src, size_t __n) | |
34 | { | |
35 | register char *__xdest = __dest; | |
36 | unsigned long __dummy; | |
37 | ||
38 | if (__n == 0) | |
39 | return __xdest; | |
40 | ||
41 | __asm__ __volatile__( | |
42 | "1:\n" | |
43 | "mov.b @%1+, %2\n\t" | |
44 | "mov.b %2, @%0\n\t" | |
45 | "cmp/eq #0, %2\n\t" | |
46 | "bt/s 2f\n\t" | |
47 | " cmp/eq %5,%1\n\t" | |
48 | "bf/s 1b\n\t" | |
49 | " add #1, %0\n" | |
50 | "2:" | |
51 | : "=r" (__dest), "=r" (__src), "=&z" (__dummy) | |
52 | : "0" (__dest), "1" (__src), "r" (__src+__n) | |
53 | : "memory", "t"); | |
54 | ||
55 | return __xdest; | |
56 | } | |
57 | ||
58 | #define __HAVE_ARCH_STRCMP | |
59 | static inline int strcmp(const char *__cs, const char *__ct) | |
60 | { | |
61 | register int __res; | |
62 | unsigned long __dummy; | |
63 | ||
64 | __asm__ __volatile__( | |
65 | "mov.b @%1+, %3\n" | |
66 | "1:\n\t" | |
67 | "mov.b @%0+, %2\n\t" | |
68 | "cmp/eq #0, %3\n\t" | |
69 | "bt 2f\n\t" | |
70 | "cmp/eq %2, %3\n\t" | |
71 | "bt/s 1b\n\t" | |
72 | " mov.b @%1+, %3\n\t" | |
73 | "add #-2, %1\n\t" | |
74 | "mov.b @%1, %3\n\t" | |
75 | "sub %3, %2\n" | |
76 | "2:" | |
77 | : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) | |
78 | : "0" (__cs), "1" (__ct) | |
79 | : "t"); | |
80 | ||
81 | return __res; | |
82 | } | |
83 | ||
b2a33721 TR |
84 | #undef __HAVE_ARCH_STRNCMP |
85 | extern int strncmp(const char *__cs, const char *__ct, size_t __n); | |
0b135cfc NI |
86 | |
87 | #undef __HAVE_ARCH_MEMSET | |
88 | extern void *memset(void *__s, int __c, size_t __count); | |
89 | ||
90 | #undef __HAVE_ARCH_MEMCPY | |
91 | extern void *memcpy(void *__to, __const__ void *__from, size_t __n); | |
92 | ||
93 | #undef __HAVE_ARCH_MEMMOVE | |
94 | extern void *memmove(void *__dest, __const__ void *__src, size_t __n); | |
95 | ||
96 | #undef __HAVE_ARCH_MEMCHR | |
97 | extern void *memchr(const void *__s, int __c, size_t __n); | |
98 | ||
99 | #undef __HAVE_ARCH_STRLEN | |
100 | extern size_t strlen(const char *); | |
101 | ||
102 | /* arch/sh/lib/strcasecmp.c */ | |
103 | extern int strcasecmp(const char *, const char *); | |
104 | ||
b02bad12 NI |
105 | #else /* KERNEL */ |
106 | ||
107 | /* | |
108 | * let user libraries deal with these, | |
109 | * IMHO the kernel has no place defining these functions for user apps | |
110 | */ | |
111 | ||
112 | #define __HAVE_ARCH_STRCPY 1 | |
113 | #define __HAVE_ARCH_STRNCPY 1 | |
114 | #define __HAVE_ARCH_STRCAT 1 | |
115 | #define __HAVE_ARCH_STRNCAT 1 | |
116 | #define __HAVE_ARCH_STRCMP 1 | |
117 | #define __HAVE_ARCH_STRNCMP 1 | |
118 | #define __HAVE_ARCH_STRNICMP 1 | |
119 | #define __HAVE_ARCH_STRCHR 1 | |
120 | #define __HAVE_ARCH_STRRCHR 1 | |
121 | #define __HAVE_ARCH_STRSTR 1 | |
122 | #define __HAVE_ARCH_STRLEN 1 | |
123 | #define __HAVE_ARCH_STRNLEN 1 | |
124 | #define __HAVE_ARCH_MEMSET 1 | |
125 | #define __HAVE_ARCH_MEMCPY 1 | |
126 | #define __HAVE_ARCH_MEMMOVE 1 | |
127 | #define __HAVE_ARCH_MEMSCAN 1 | |
128 | #define __HAVE_ARCH_MEMCMP 1 | |
129 | #define __HAVE_ARCH_MEMCHR 1 | |
130 | #define __HAVE_ARCH_STRTOK 1 | |
131 | ||
132 | #endif /* KERNEL */ | |
0b135cfc | 133 | #endif /* __ASM_SH_STRING_H */ |