84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* $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__) */
|