/* $Id: string.h,v 1.20 2001/09/27 04:36:24 kanoj Exp $ * string.h: External definitions for optimized assembly string * routines for the Linux Kernel. * * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu) * Copyright (C) 1996,1997,1999 Jakub Jelinek (jakub@redhat.com) */ #ifndef __SPARC64_STRING_H__ #define __SPARC64_STRING_H__ /* Really, userland/ksyms should not see any of this stuff. */ #ifdef __KERNEL__ #include <asm/asi.h> extern void *__memset(void *,int,__kernel_size_t); #ifndef EXPORT_SYMTAB_STROPS /* First the mem*() things. */ #define __HAVE_ARCH_MEMMOVE extern void *memmove(void *, const void *, __kernel_size_t); #define __HAVE_ARCH_MEMCPY extern void *memcpy(void *, const void *, __kernel_size_t); #define __HAVE_ARCH_MEMSET extern void *__builtin_memset(void *,int,__kernel_size_t); static inline void *__constant_memset(void *s, int c, __kernel_size_t count) { extern __kernel_size_t __bzero(void *, __kernel_size_t); if (!c) { __bzero(s, count); return s; } else return __memset(s, c, count); } #undef memset #define memset(s, c, count) \ ((__builtin_constant_p(count) && (count) <= 32) ? \ __builtin_memset((s), (c), (count)) : \ (__builtin_constant_p(c) ? \ __constant_memset((s), (c), (count)) : \ __memset((s), (c), (count)))) #define __HAVE_ARCH_MEMSCAN #undef memscan #define memscan(__arg0, __char, __arg2) \ ({ \ extern void *__memscan_zero(void *, size_t); \ extern void *__memscan_generic(void *, int, size_t); \ void *__retval, *__addr = (__arg0); \ size_t __size = (__arg2); \ \ if(__builtin_constant_p(__char) && !(__char)) \ __retval = __memscan_zero(__addr, __size); \ else \ __retval = __memscan_generic(__addr, (__char), __size); \ \ __retval; \ }) #define __HAVE_ARCH_MEMCMP extern int memcmp(const void *,const void *,__kernel_size_t); /* Now the str*() stuff... */ #define __HAVE_ARCH_STRLEN extern __kernel_size_t strlen(const char *); #define __HAVE_ARCH_STRNCMP extern int strncmp(const char *, const char *, __kernel_size_t); #endif /* !EXPORT_SYMTAB_STROPS */ #endif /* __KERNEL__ */ #endif /* !(__SPARC64_STRING_H__) */