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) 1996,1997,1999 Jakub Jelinek (jakub@redhat.com) 7 */ 8 9#ifndef __SPARC64_STRING_H__ 10#define __SPARC64_STRING_H__ 11 12/* Really, userland/ksyms should not see any of this stuff. */ 13 14#ifdef __KERNEL__ 15 16#include <asm/asi.h> 17 18#ifndef EXPORT_SYMTAB_STROPS 19 20/* First the mem*() things. */ 21#define __HAVE_ARCH_MEMMOVE 22extern void *memmove(void *, const void *, __kernel_size_t); 23 24#define __HAVE_ARCH_MEMCPY 25#define memcpy(t, f, n) __builtin_memcpy(t, f, n) 26 27#define __HAVE_ARCH_MEMSET 28#define memset(s, c, count) __builtin_memset(s, c, count) 29 30#define __HAVE_ARCH_MEMSCAN 31 32#undef memscan 33#define memscan(__arg0, __char, __arg2) \ 34({ \ 35 extern void *__memscan_zero(void *, size_t); \ 36 extern void *__memscan_generic(void *, int, size_t); \ 37 void *__retval, *__addr = (__arg0); \ 38 size_t __size = (__arg2); \ 39 \ 40 if(__builtin_constant_p(__char) && !(__char)) \ 41 __retval = __memscan_zero(__addr, __size); \ 42 else \ 43 __retval = __memscan_generic(__addr, (__char), __size); \ 44 \ 45 __retval; \ 46}) 47 48#define __HAVE_ARCH_MEMCMP 49extern int memcmp(const void *,const void *,__kernel_size_t); 50 51/* Now the str*() stuff... */ 52#define __HAVE_ARCH_STRLEN 53extern __kernel_size_t strlen(const char *); 54 55#define __HAVE_ARCH_STRNCMP 56extern int strncmp(const char *, const char *, __kernel_size_t); 57 58#endif /* !EXPORT_SYMTAB_STROPS */ 59 60#endif /* __KERNEL__ */ 61 62#endif /* !(__SPARC64_STRING_H__) */ 63