1 /* 2 * string.h: External definitions for optimized assembly string 3 * routines for the Linux Kernel. 4 * 5 * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) 6 * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) 7 */ 8 9 #ifndef __SPARC_STRING_H__ 10 #define __SPARC_STRING_H__ 11 12 #include <asm/page.h> 13 14 /* Really, userland/ksyms should not see any of this stuff. */ 15 16 #ifdef __KERNEL__ 17 18 void __memmove(void *,const void *,__kernel_size_t); 19 20 #ifndef EXPORT_SYMTAB_STROPS 21 22 /* First the mem*() things. */ 23 #define __HAVE_ARCH_MEMMOVE 24 #undef memmove 25 #define memmove(_to, _from, _n) \ 26 ({ \ 27 void *_t = (_to); \ 28 __memmove(_t, (_from), (_n)); \ 29 _t; \ 30 }) 31 32 #define __HAVE_ARCH_MEMCPY 33 #define memcpy(t, f, n) __builtin_memcpy(t, f, n) 34 35 #define __HAVE_ARCH_MEMSET 36 #define memset(s, c, count) __builtin_memset(s, c, count) 37 38 #define __HAVE_ARCH_MEMSCAN 39 40 #undef memscan 41 #define memscan(__arg0, __char, __arg2) \ 42 ({ \ 43 void *__memscan_zero(void *, size_t); \ 44 void *__memscan_generic(void *, int, size_t); \ 45 void *__retval, *__addr = (__arg0); \ 46 size_t __size = (__arg2); \ 47 \ 48 if(__builtin_constant_p(__char) && !(__char)) \ 49 __retval = __memscan_zero(__addr, __size); \ 50 else \ 51 __retval = __memscan_generic(__addr, (__char), __size); \ 52 \ 53 __retval; \ 54 }) 55 56 #define __HAVE_ARCH_MEMCMP 57 int memcmp(const void *,const void *,__kernel_size_t); 58 59 /* Now the str*() stuff... */ 60 #define __HAVE_ARCH_STRLEN 61 __kernel_size_t strlen(const char *); 62 63 #define __HAVE_ARCH_STRNCMP 64 int strncmp(const char *, const char *, __kernel_size_t); 65 66 #endif /* !EXPORT_SYMTAB_STROPS */ 67 68 #endif /* __KERNEL__ */ 69 70 #endif /* !(__SPARC_STRING_H__) */ 71