projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f5e706ad SR |
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 Jakub Jelinek (jj@sunsite.mff.cuni.cz) | |
| 7 | */ | |
| 8 | ||
| 9 | #ifndef __SPARC_STRING_H__ | |
| 10 | #define __SPARC_STRING_H__ | |
| 11 | ||
| 12 | #include <asm/page.h> | |
| 13 | ||
| 14 | /* Really, userland/ksyms should not see any of this stuff. */ | |
| 15 | ||
| 16 | #ifdef __KERNEL__ | |
| 17 | ||
| 18 | extern void __memmove(void *,const void *,__kernel_size_t); | |
| f5e706ad SR |
19 | |
| 20 | #ifndef EXPORT_SYMTAB_STROPS | |
| 21 | ||
| 22 | /* First the mem*() things. */ | |
| 23 | #define __HAVE_ARCH_MEMMOVE | |
| 24 | #undef memmove | |
| 25 | #define memmove(_to, _from, _n) \ | |
| 26 | ({ \ | |
| 27 | void *_t = (_to); \ | |
| 28 | __memmove(_t, (_from), (_n)); \ | |
| 29 | _t; \ | |
| 30 | }) | |
| 31 | ||
| 32 | #define __HAVE_ARCH_MEMCPY | |
| 4d14a459 | 33 | #define memcpy(t, f, n) __builtin_memcpy(t, f, n) |
| f5e706ad SR |
34 | |
| 35 | #define __HAVE_ARCH_MEMSET | |
| 4d14a459 | 36 | #define memset(s, c, count) __builtin_memset(s, c, count) |
| f5e706ad SR |
37 | |
| 38 | #define __HAVE_ARCH_MEMSCAN | |
| 39 | ||
| 40 | #undef memscan | |
| 41 | #define memscan(__arg0, __char, __arg2) \ | |
| 42 | ({ \ | |
| 43 | extern void *__memscan_zero(void *, size_t); \ | |
| 44 | extern void *__memscan_generic(void *, int, size_t); \ | |
| 45 | void *__retval, *__addr = (__arg0); \ | |
| 46 | size_t __size = (__arg2); \ | |
| 47 | \ | |
| 48 | if(__builtin_constant_p(__char) && !(__char)) \ | |
| 49 | __retval = __memscan_zero(__addr, __size); \ | |
| 50 | else \ | |
| 51 | __retval = __memscan_generic(__addr, (__char), __size); \ | |
| 52 | \ | |
| 53 | __retval; \ | |
| 54 | }) | |
| 55 | ||
| 56 | #define __HAVE_ARCH_MEMCMP | |
| 57 | extern int memcmp(const void *,const void *,__kernel_size_t); | |
| 58 | ||
| 59 | /* Now the str*() stuff... */ | |
| 60 | #define __HAVE_ARCH_STRLEN | |
| 61 | extern __kernel_size_t strlen(const char *); | |
| 62 | ||
| 63 | #define __HAVE_ARCH_STRNCMP | |
| b55e81b9 | 64 | extern int strncmp(const char *, const char *, __kernel_size_t); |
| f5e706ad SR |
65 | |
| 66 | #endif /* !EXPORT_SYMTAB_STROPS */ | |
| 67 | ||
| 68 | #endif /* __KERNEL__ */ | |
| 69 | ||
| 70 | #endif /* !(__SPARC_STRING_H__) */ |