Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | ||
9 | #define __HAVE_ARCH_STRCPY | |
10 | static __inline__ char *strcpy(char *__dest, const char *__src) | |
11 | { | |
12 | register char *__xdest = __dest; | |
13 | unsigned long __dummy; | |
14 | ||
15 | __asm__ __volatile__("1:\n\t" | |
16 | "mov.b @%1+, %2\n\t" | |
17 | "mov.b %2, @%0\n\t" | |
18 | "cmp/eq #0, %2\n\t" | |
19 | "bf/s 1b\n\t" | |
20 | " add #1, %0\n\t" | |
21 | : "=r" (__dest), "=r" (__src), "=&z" (__dummy) | |
22 | : "0" (__dest), "1" (__src) | |
23 | : "memory", "t"); | |
24 | ||
25 | return __xdest; | |
26 | } | |
27 | ||
28 | #define __HAVE_ARCH_STRNCPY | |
29 | static __inline__ char *strncpy(char *__dest, const char *__src, size_t __n) | |
30 | { | |
31 | register char *__xdest = __dest; | |
32 | unsigned long __dummy; | |
33 | ||
34 | if (__n == 0) | |
35 | return __xdest; | |
36 | ||
37 | __asm__ __volatile__( | |
38 | "1:\n" | |
39 | "mov.b @%1+, %2\n\t" | |
40 | "mov.b %2, @%0\n\t" | |
41 | "cmp/eq #0, %2\n\t" | |
42 | "bt/s 2f\n\t" | |
43 | " cmp/eq %5,%1\n\t" | |
44 | "bf/s 1b\n\t" | |
45 | " add #1, %0\n" | |
46 | "2:" | |
47 | : "=r" (__dest), "=r" (__src), "=&z" (__dummy) | |
48 | : "0" (__dest), "1" (__src), "r" (__src+__n) | |
49 | : "memory", "t"); | |
50 | ||
51 | return __xdest; | |
52 | } | |
53 | ||
54 | #define __HAVE_ARCH_STRCMP | |
55 | static __inline__ int strcmp(const char *__cs, const char *__ct) | |
56 | { | |
57 | register int __res; | |
58 | unsigned long __dummy; | |
59 | ||
60 | __asm__ __volatile__( | |
61 | "mov.b @%1+, %3\n" | |
62 | "1:\n\t" | |
63 | "mov.b @%0+, %2\n\t" | |
64 | "cmp/eq #0, %3\n\t" | |
65 | "bt 2f\n\t" | |
66 | "cmp/eq %2, %3\n\t" | |
67 | "bt/s 1b\n\t" | |
68 | " mov.b @%1+, %3\n\t" | |
69 | "add #-2, %1\n\t" | |
70 | "mov.b @%1, %3\n\t" | |
71 | "sub %3, %2\n" | |
72 | "2:" | |
73 | : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) | |
74 | : "0" (__cs), "1" (__ct) | |
75 | : "t"); | |
76 | ||
77 | return __res; | |
78 | } | |
79 | ||
80 | #define __HAVE_ARCH_STRNCMP | |
81 | static __inline__ int strncmp(const char *__cs, const char *__ct, size_t __n) | |
82 | { | |
83 | register int __res; | |
84 | unsigned long __dummy; | |
85 | ||
86 | if (__n == 0) | |
87 | return 0; | |
88 | ||
89 | __asm__ __volatile__( | |
90 | "mov.b @%1+, %3\n" | |
91 | "1:\n\t" | |
92 | "mov.b @%0+, %2\n\t" | |
93 | "cmp/eq %6, %0\n\t" | |
94 | "bt/s 2f\n\t" | |
95 | " cmp/eq #0, %3\n\t" | |
96 | "bt/s 3f\n\t" | |
97 | " cmp/eq %3, %2\n\t" | |
98 | "bt/s 1b\n\t" | |
99 | " mov.b @%1+, %3\n\t" | |
100 | "add #-2, %1\n\t" | |
101 | "mov.b @%1, %3\n" | |
102 | "2:\n\t" | |
103 | "sub %3, %2\n" | |
104 | "3:" | |
105 | :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy) | |
106 | : "0" (__cs), "1" (__ct), "r" (__cs+__n) | |
107 | : "t"); | |
108 | ||
109 | return __res; | |
110 | } | |
111 | ||
112 | #define __HAVE_ARCH_MEMSET | |
113 | extern void *memset(void *__s, int __c, size_t __count); | |
114 | ||
115 | #define __HAVE_ARCH_MEMCPY | |
116 | extern void *memcpy(void *__to, __const__ void *__from, size_t __n); | |
117 | ||
118 | #define __HAVE_ARCH_MEMMOVE | |
119 | extern void *memmove(void *__dest, __const__ void *__src, size_t __n); | |
120 | ||
121 | #define __HAVE_ARCH_MEMCHR | |
122 | extern void *memchr(const void *__s, int __c, size_t __n); | |
123 | ||
124 | #define __HAVE_ARCH_STRLEN | |
125 | extern size_t strlen(const char *); | |
126 | ||
127 | #endif /* __ASM_SH_STRING_H */ |