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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-s390x/] [string.h] - Blame information for rev 1765

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/*
 *  include/asm-s390/string.h
 *
 *  S390 version
 *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
 *    Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
 */
 
#ifndef _S390_STRING_H_
#define _S390_STRING_H_
 
#ifdef __KERNEL__
 
#ifndef _LINUX_TYPES_H
#include <linux/types.h>
#endif
 
#define __HAVE_ARCH_MEMCHR
#define __HAVE_ARCH_MEMCPY
#define __HAVE_ARCH_MEMSET
#define __HAVE_ARCH_STRCAT
#define __HAVE_ARCH_STRCMP
#define __HAVE_ARCH_STRCPY
#define __HAVE_ARCH_STRLEN
#define __HAVE_ARCH_STRNCPY
 
#undef __HAVE_ARCH_MEMMOVE
#undef __HAVE_ARCH_STRNICMP
#undef __HAVE_ARCH_STRNCAT
#undef __HAVE_ARCH_STRNCMP
#undef __HAVE_ARCH_STRCHR
#undef __HAVE_ARCH_STRRCHR
#undef __HAVE_ARCH_STRNLEN
#undef __HAVE_ARCH_STRSPN
#undef __HAVE_ARCH_STRPBRK
#undef __HAVE_ARCH_STRTOK
#undef __HAVE_ARCH_BCOPY
#undef __HAVE_ARCH_MEMCMP
#undef __HAVE_ARCH_MEMSCAN
#undef __HAVE_ARCH_STRSTR
 
extern void *memset(void *, int, size_t);
extern void *memcpy(void *, const void *, size_t);
extern void *memmove(void *, const void *, size_t);
extern char *strncpy(char *, const char *, size_t);
extern int strcmp(const char *,const char *);
 
static inline void * memchr(const void * cs,int c,size_t count)
{
    void *ptr;
 
    __asm__ __volatile__ ("   lgr   0,%2\n"
                          "   lgr   1,%1\n"
                          "   la    %0,0(%3,%1)\n"
                          "0: srst  %0,1\n"
                          "   jo    0b\n"
                          "   brc   13,1f\n"
                          "   slgr  %0,%0\n"
                          "1:"
                          : "=&a" (ptr) : "a" (cs), "d" (c), "d" (count)
                          : "cc", "0", "1" );
    return ptr;
}
 
static __inline__ char *strcpy(char *dest, const char *src)
{
    char *tmp = dest;
 
    __asm__ __volatile__ ("   slgr  0,0\n"
                          "0: mvst  %0,%1\n"
                          "   jo    0b"
                          : "+&a" (dest), "+&a" (src) :
                          : "cc", "memory", "0" );
    return tmp;
}
 
static __inline__ size_t strlen(const char *s)
{
    size_t len;
 
    __asm__ __volatile__ ("   slgr  0,0\n"
                          "   lgr   %0,%1\n"
                          "0: srst  0,%0\n"
                          "   jo    0b\n"
                          "   lgr   %0,0\n"
                          "   sgr   %0,%1"
                          : "=&a" (len) : "a" (s)
                          : "cc", "0" );
    return len;
}
 
static __inline__ char *strcat(char *dest, const char *src)
{
    char *tmp = dest;
 
    __asm__ __volatile__ ("   slgr  0,0\n"
                          "0: srst  0,%0\n"
                          "   jo    0b\n"
                          "   lgr   %0,0\n"
                          "   slgr  0,0\n"
                          "1: mvst  %0,%1\n"
                          "   jo    1b"
                          : "+&a" (dest), "+&a" (src) :
                          : "cc", "memory", "0" );
    return tmp;
}
 
extern void *alloca(size_t);
#endif /* __KERNEL__ */
 
#endif /* __S390_STRING_H_ */
 

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* include/asm-s390/string.h`
3			`*`
4			`* S390 version`
5			`* Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation`
6			`* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),`
7			`*/`
8
9			`#ifndef _S390_STRING_H_`
10			`#define _S390_STRING_H_`
11
12			`#ifdef __KERNEL__`
13
14			`#ifndef _LINUX_TYPES_H`
15			`#include <linux/types.h>`
16			`#endif`
17
18			`#define __HAVE_ARCH_MEMCHR`
19			`#define __HAVE_ARCH_MEMCPY`
20			`#define __HAVE_ARCH_MEMSET`
21			`#define __HAVE_ARCH_STRCAT`
22			`#define __HAVE_ARCH_STRCMP`
23			`#define __HAVE_ARCH_STRCPY`
24			`#define __HAVE_ARCH_STRLEN`
25			`#define __HAVE_ARCH_STRNCPY`
26
27			`#undef __HAVE_ARCH_MEMMOVE`
28			`#undef __HAVE_ARCH_STRNICMP`
29			`#undef __HAVE_ARCH_STRNCAT`
30			`#undef __HAVE_ARCH_STRNCMP`
31			`#undef __HAVE_ARCH_STRCHR`
32			`#undef __HAVE_ARCH_STRRCHR`
33			`#undef __HAVE_ARCH_STRNLEN`
34			`#undef __HAVE_ARCH_STRSPN`
35			`#undef __HAVE_ARCH_STRPBRK`
36			`#undef __HAVE_ARCH_STRTOK`
37			`#undef __HAVE_ARCH_BCOPY`
38			`#undef __HAVE_ARCH_MEMCMP`
39			`#undef __HAVE_ARCH_MEMSCAN`
40			`#undef __HAVE_ARCH_STRSTR`
41
42			`extern void memset(void , int, size_t);`
43			`extern void memcpy(void , const void *, size_t);`
44			`extern void memmove(void , const void *, size_t);`
45			`extern char strncpy(char , const char *, size_t);`
46			`extern int strcmp(const char ,const char );`
47
48			`static inline void * memchr(const void * cs,int c,size_t count)`
49			`{`
50			`void *ptr;`
51
52			`__asm__ __volatile__ (" lgr 0,%2\n"`
53			`" lgr 1,%1\n"`
54			`" la %0,0(%3,%1)\n"`
55			`"0: srst %0,1\n"`
56			`" jo 0b\n"`
57			`" brc 13,1f\n"`
58			`" slgr %0,%0\n"`
59			`"1:"`
60			`: "=&a" (ptr) : "a" (cs), "d" (c), "d" (count)`
61			`: "cc", "0", "1" );`
62			`return ptr;`
63			`}`
64
65			`static __inline__ char strcpy(char dest, const char *src)`
66			`{`
67			`char *tmp = dest;`
68
69			`__asm__ __volatile__ (" slgr 0,0\n"`
70			`"0: mvst %0,%1\n"`
71			`" jo 0b"`
72			`: "+&a" (dest), "+&a" (src) :`
73			`: "cc", "memory", "0" );`
74			`return tmp;`
75			`}`
76
77			`static __inline__ size_t strlen(const char *s)`
78			`{`
79			`size_t len;`
80
81			`__asm__ __volatile__ (" slgr 0,0\n"`
82			`" lgr %0,%1\n"`
83			`"0: srst 0,%0\n"`
84			`" jo 0b\n"`
85			`" lgr %0,0\n"`
86			`" sgr %0,%1"`
87			`: "=&a" (len) : "a" (s)`
88			`: "cc", "0" );`
89			`return len;`
90			`}`
91
92			`static __inline__ char strcat(char dest, const char *src)`
93			`{`
94			`char *tmp = dest;`
95
96			`__asm__ __volatile__ (" slgr 0,0\n"`
97			`"0: srst 0,%0\n"`
98			`" jo 0b\n"`
99			`" lgr %0,0\n"`
100			`" slgr 0,0\n"`
101			`"1: mvst %0,%1\n"`
102			`" jo 1b"`
103			`: "+&a" (dest), "+&a" (src) :`
104			`: "cc", "memory", "0" );`
105			`return tmp;`
106			`}`
107
108			`extern void *alloca(size_t);`
109			`#endif /* __KERNEL__ */`
110
111			`#endif /* __S390_STRING_H_ */`
112

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-s390x/] [string.h] - Blame information for rev 1765