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										 |  |  | /*
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							|  |  |  |  * 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 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | 
					
						
							|  |  |  |  */ | 
					
						
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							|  |  |  | #ifndef __SPARC_STRING_H__
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							|  |  |  | #define __SPARC_STRING_H__
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							|  |  |  | #include <asm/page.h>
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							|  |  |  | /* Really, userland/ksyms should not see any of this stuff. */ | 
					
						
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							|  |  |  | #ifdef __KERNEL__
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							|  |  |  | extern void __memmove(void *,const void *,__kernel_size_t); | 
					
						
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							|  |  |  | #ifndef EXPORT_SYMTAB_STROPS
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							|  |  |  | /* First the mem*() things. */ | 
					
						
							|  |  |  | #define __HAVE_ARCH_MEMMOVE
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							|  |  |  | #undef memmove
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							|  |  |  | #define memmove(_to, _from, _n) \
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							|  |  |  | ({ \ | 
					
						
							|  |  |  | 	void *_t = (_to); \ | 
					
						
							|  |  |  | 	__memmove(_t, (_from), (_n)); \ | 
					
						
							|  |  |  | 	_t; \ | 
					
						
							|  |  |  | }) | 
					
						
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							|  |  |  | #define __HAVE_ARCH_MEMCPY
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										 |  |  | #define memcpy(t, f, n) __builtin_memcpy(t, f, n)
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							|  |  |  | #define __HAVE_ARCH_MEMSET
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										 |  |  | #define memset(s, c, count) __builtin_memset(s, c, count)
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							|  |  |  | #define __HAVE_ARCH_MEMSCAN
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							|  |  |  | #undef memscan
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							|  |  |  | #define memscan(__arg0, __char, __arg2)						\
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							|  |  |  | ({										\ | 
					
						
							|  |  |  | 	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;								\ | 
					
						
							|  |  |  | }) | 
					
						
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							|  |  |  | #define __HAVE_ARCH_MEMCMP
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							|  |  |  | extern int memcmp(const void *,const void *,__kernel_size_t); | 
					
						
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							|  |  |  | /* Now the str*() stuff... */ | 
					
						
							|  |  |  | #define __HAVE_ARCH_STRLEN
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							|  |  |  | extern __kernel_size_t strlen(const char *); | 
					
						
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							|  |  |  | #define __HAVE_ARCH_STRNCMP
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										 |  |  | extern int strncmp(const char *, const char *, __kernel_size_t); | 
					
						
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							|  |  |  | #endif /* !EXPORT_SYMTAB_STROPS */
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							|  |  |  | #endif /* __KERNEL__ */
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							|  |  |  | #endif /* !(__SPARC_STRING_H__) */
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