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 22 extern 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 49 extern int memcmp(const void *,const void *,__kernel_size_t); 50 51 /* Now the str*() stuff... */ 52 #define __HAVE_ARCH_STRLEN 53 extern __kernel_size_t strlen(const char *); 54 55 #define __HAVE_ARCH_STRNCMP 56 extern 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