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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | #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 *); /* Don't build bcopy at all ... */ #define __HAVE_ARCH_BCOPY #endif /* __ASM_SH_STRING_H */ |