1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
| /* SPDX-License-Identifier: GPL-2.0 */
| #ifndef __ASM_SH_STRING_H
| #define __ASM_SH_STRING_H
|
| /*
| * Copyright (C) 1999 Niibe Yutaka
| * But consider these trivial functions to be public domain.
| */
|
| #define __HAVE_ARCH_STRCPY
| static inline char *strcpy(char *__dest, const char *__src)
| {
| register char *__xdest = __dest;
| unsigned long __dummy;
|
| __asm__ __volatile__("1:\n\t"
| "mov.b @%1+, %2\n\t"
| "mov.b %2, @%0\n\t"
| "cmp/eq #0, %2\n\t"
| "bf/s 1b\n\t"
| " add #1, %0\n\t"
| : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
| : "0" (__dest), "1" (__src)
| : "memory", "t");
|
| return __xdest;
| }
|
| #define __HAVE_ARCH_STRCMP
| static inline int strcmp(const char *__cs, const char *__ct)
| {
| register int __res;
| unsigned long __dummy;
|
| __asm__ __volatile__(
| "mov.b @%1+, %3\n"
| "1:\n\t"
| "mov.b @%0+, %2\n\t"
| "cmp/eq #0, %3\n\t"
| "bt 2f\n\t"
| "cmp/eq %2, %3\n\t"
| "bt/s 1b\n\t"
| " mov.b @%1+, %3\n\t"
| "add #-2, %1\n\t"
| "mov.b @%1, %3\n\t"
| "sub %3, %2\n"
| "2:"
| : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
| : "0" (__cs), "1" (__ct)
| : "t");
|
| return __res;
| }
|
| #define __HAVE_ARCH_STRNCMP
| static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
| {
| register int __res;
| unsigned long __dummy;
|
| if (__n == 0)
| return 0;
|
| __asm__ __volatile__(
| "mov.b @%1+, %3\n"
| "1:\n\t"
| "mov.b @%0+, %2\n\t"
| "cmp/eq %6, %0\n\t"
| "bt/s 2f\n\t"
| " cmp/eq #0, %3\n\t"
| "bt/s 3f\n\t"
| " cmp/eq %3, %2\n\t"
| "bt/s 1b\n\t"
| " mov.b @%1+, %3\n\t"
| "add #-2, %1\n\t"
| "mov.b @%1, %3\n"
| "2:\n\t"
| "sub %3, %2\n"
| "3:"
| :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
| : "0" (__cs), "1" (__ct), "r" (__cs+__n)
| : "t");
|
| return __res;
| }
|
| #define __HAVE_ARCH_MEMSET
| extern void *memset(void *__s, int __c, size_t __count);
|
| #define __HAVE_ARCH_MEMCPY
| extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
|
| #define __HAVE_ARCH_MEMMOVE
| extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
|
| #define __HAVE_ARCH_MEMCHR
| extern void *memchr(const void *__s, int __c, size_t __n);
|
| #define __HAVE_ARCH_STRLEN
| extern size_t strlen(const char *);
|
| #endif /* __ASM_SH_STRING_H */
|
|
