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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103/* 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_STRCPYstatic 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_STRCMPstatic 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_STRNCMPstatic 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_MEMSETextern void *memset(void *__s, int __c, size_t __count);
#define __HAVE_ARCH_MEMCPYextern void *memcpy(void *__to, __const__ void *__from, size_t __n);
#define __HAVE_ARCH_MEMMOVEextern void *memmove(void *__dest, __const__ void *__src, size_t __n);
#define __HAVE_ARCH_MEMCHRextern void *memchr(const void *__s, int __c, size_t __n);
#define __HAVE_ARCH_STRLENextern size_t strlen(const char *);
#endif /* __ASM_SH_STRING_H */