sh: build fixes for defconfigs.
[linux-2.6.git] / include / asm-sh / string.h
1 #ifndef __ASM_SH_STRING_H
2 #define __ASM_SH_STRING_H
3
4 #ifdef __KERNEL__
5
6 /*
7  * Copyright (C) 1999 Niibe Yutaka
8  * But consider these trivial functions to be public domain.
9  */
10
11 #define __HAVE_ARCH_STRCPY
12 static inline char *strcpy(char *__dest, const char *__src)
13 {
14         register char *__xdest = __dest;
15         unsigned long __dummy;
16
17         __asm__ __volatile__("1:\n\t"
18                              "mov.b     @%1+, %2\n\t"
19                              "mov.b     %2, @%0\n\t"
20                              "cmp/eq    #0, %2\n\t"
21                              "bf/s      1b\n\t"
22                              " add      #1, %0\n\t"
23                              : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
24                              : "0" (__dest), "1" (__src)
25                              : "memory", "t");
26
27         return __xdest;
28 }
29
30 #define __HAVE_ARCH_STRNCPY
31 static inline char *strncpy(char *__dest, const char *__src, size_t __n)
32 {
33         register char *__xdest = __dest;
34         unsigned long __dummy;
35
36         if (__n == 0)
37                 return __xdest;
38
39         __asm__ __volatile__(
40                 "1:\n"
41                 "mov.b  @%1+, %2\n\t"
42                 "mov.b  %2, @%0\n\t"
43                 "cmp/eq #0, %2\n\t"
44                 "bt/s   2f\n\t"
45                 " cmp/eq        %5,%1\n\t"
46                 "bf/s   1b\n\t"
47                 " add   #1, %0\n"
48                 "2:"
49                 : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
50                 : "0" (__dest), "1" (__src), "r" (__src+__n)
51                 : "memory", "t");
52
53         return __xdest;
54 }
55
56 #define __HAVE_ARCH_STRCMP
57 static inline int strcmp(const char *__cs, const char *__ct)
58 {
59         register int __res;
60         unsigned long __dummy;
61
62         __asm__ __volatile__(
63                 "mov.b  @%1+, %3\n"
64                 "1:\n\t"
65                 "mov.b  @%0+, %2\n\t"
66                 "cmp/eq #0, %3\n\t"
67                 "bt     2f\n\t"
68                 "cmp/eq %2, %3\n\t"
69                 "bt/s   1b\n\t"
70                 " mov.b @%1+, %3\n\t"
71                 "add    #-2, %1\n\t"
72                 "mov.b  @%1, %3\n\t"
73                 "sub    %3, %2\n"
74                 "2:"
75                 : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
76                 : "0" (__cs), "1" (__ct)
77                 : "t");
78
79         return __res;
80 }
81
82 #define __HAVE_ARCH_STRNCMP
83 static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
84 {
85         register int __res;
86         unsigned long __dummy;
87
88         if (__n == 0)
89                 return 0;
90
91         __asm__ __volatile__(
92                 "mov.b  @%1+, %3\n"
93                 "1:\n\t"
94                 "mov.b  @%0+, %2\n\t"
95                 "cmp/eq %6, %0\n\t"
96                 "bt/s   2f\n\t"
97                 " cmp/eq #0, %3\n\t"
98                 "bt/s   3f\n\t"
99                 " cmp/eq %3, %2\n\t"
100                 "bt/s   1b\n\t"
101                 " mov.b @%1+, %3\n\t"
102                 "add    #-2, %1\n\t"
103                 "mov.b  @%1, %3\n"
104                 "2:\n\t"
105                 "sub    %3, %2\n"
106                 "3:"
107                 :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
108                 : "0" (__cs), "1" (__ct), "r" (__cs+__n)
109                 : "t");
110
111         return __res;
112 }
113
114 #define __HAVE_ARCH_MEMSET
115 extern void *memset(void *__s, int __c, size_t __count);
116
117 #define __HAVE_ARCH_MEMCPY
118 extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
119
120 #define __HAVE_ARCH_MEMMOVE
121 extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
122
123 #define __HAVE_ARCH_MEMCHR
124 extern void *memchr(const void *__s, int __c, size_t __n);
125
126 #define __HAVE_ARCH_STRLEN
127 extern size_t strlen(const char *);
128
129 /* arch/sh/lib/strcasecmp.c */
130 extern int strcasecmp(const char *, const char *);
131
132 #endif /* __KERNEL__ */
133
134 #endif /* __ASM_SH_STRING_H */