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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | #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_STRNCPY static __inline__ char *strncpy(char *__dest, const char *__src, size_t __n) { register char *__xdest = __dest; unsigned long __dummy; if (__n == 0) return __xdest; __asm__ __volatile__( "1:\n" "mov.b @%1+, %2\n\t" "mov.b %2, @%0\n\t" "cmp/eq #0, %2\n\t" "bt/s 2f\n\t" " cmp/eq %5,%1\n\t" "bf/s 1b\n\t" " add #1, %0\n" "2:" : "=r" (__dest), "=r" (__src), "=&z" (__dummy) : "0" (__dest), "1" (__src), "r" (__src+__n) : "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 */ |