| endian.h (127914) | endian.h (143063) |
|---|---|
| 1/*- 2 * Copyright (c) 1987, 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)endian.h 7.8 (Berkeley) 4/3/91 | 1/*- 2 * Copyright (c) 1987, 1991 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 13 unchanged lines hidden (view full) --- 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)endian.h 7.8 (Berkeley) 4/3/91 |
| 30 * $FreeBSD: head/sys/amd64/include/endian.h 127914 2004-04-05 21:29:41Z imp $ | 30 * $FreeBSD: head/sys/amd64/include/endian.h 143063 2005-03-02 21:33:29Z joerg $ |
| 31 */ 32 33#ifndef _MACHINE_ENDIAN_H_ 34#define _MACHINE_ENDIAN_H_ 35 36#include <sys/cdefs.h> 37#include <sys/_types.h> 38 --- 19 unchanged lines hidden (view full) --- 58 */ 59#if __BSD_VISIBLE 60#define LITTLE_ENDIAN _LITTLE_ENDIAN 61#define BIG_ENDIAN _BIG_ENDIAN 62#define PDP_ENDIAN _PDP_ENDIAN 63#define BYTE_ORDER _BYTE_ORDER 64#endif 65 | 31 */ 32 33#ifndef _MACHINE_ENDIAN_H_ 34#define _MACHINE_ENDIAN_H_ 35 36#include <sys/cdefs.h> 37#include <sys/_types.h> 38 --- 19 unchanged lines hidden (view full) --- 58 */ 59#if __BSD_VISIBLE 60#define LITTLE_ENDIAN _LITTLE_ENDIAN 61#define BIG_ENDIAN _BIG_ENDIAN 62#define PDP_ENDIAN _PDP_ENDIAN 63#define BYTE_ORDER _BYTE_ORDER 64#endif 65 |
| 66#ifdef __GNUC__ | 66#if defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE_BUILTIN_CONSTANT_P) |
| 67 68#define __word_swap_int_var(x) \ 69__extension__ ({ register __uint32_t __X = (x); \ 70 __asm ("rorl $16, %0" : "+r" (__X)); \ 71 __X; }) 72 73#ifdef __OPTIMIZE__ 74 --- 97 unchanged lines hidden (view full) --- 172 return (__byte_swap_word(_x)); 173} 174 175#define __htonl(x) __bswap32(x) 176#define __htons(x) __bswap16(x) 177#define __ntohl(x) __bswap32(x) 178#define __ntohs(x) __bswap16(x) 179 | 67 68#define __word_swap_int_var(x) \ 69__extension__ ({ register __uint32_t __X = (x); \ 70 __asm ("rorl $16, %0" : "+r" (__X)); \ 71 __X; }) 72 73#ifdef __OPTIMIZE__ 74 --- 97 unchanged lines hidden (view full) --- 172 return (__byte_swap_word(_x)); 173} 174 175#define __htonl(x) __bswap32(x) 176#define __htons(x) __bswap16(x) 177#define __ntohl(x) __bswap32(x) 178#define __ntohs(x) __bswap16(x) 179 |
| 180#else /* !__GNUC__ */ | 180#else /* !(__GNUCLIKE_ASM && __GNUCLIKE_BUILTIN_CONSTANT_P) */ |
| 181 182/* 183 * No optimizations are available for this compiler. Fall back to 184 * non-optimized functions by defining the constant usually used to prevent 185 * redefinition. 186 */ 187#define _BYTEORDER_FUNC_DEFINED 188 | 181 182/* 183 * No optimizations are available for this compiler. Fall back to 184 * non-optimized functions by defining the constant usually used to prevent 185 * redefinition. 186 */ 187#define _BYTEORDER_FUNC_DEFINED 188 |
| 189#endif /* __GNUC__ */ | 189#endif /* __GNUCLIKE_ASM && __GNUCLIKE_BUILTIN_CONSTANT_P */ |
| 190 191#endif /* !_MACHINE_ENDIAN_H_ */ | 190 191#endif /* !_MACHINE_ENDIAN_H_ */ |