| endian.h (137784) | 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/i386/include/endian.h 137784 2004-11-16 20:42:32Z jhb $ | 30 * $FreeBSD: head/sys/i386/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 --- 23 unchanged lines hidden (view full) --- 62 */ 63#if __BSD_VISIBLE 64#define LITTLE_ENDIAN _LITTLE_ENDIAN 65#define BIG_ENDIAN _BIG_ENDIAN 66#define PDP_ENDIAN _PDP_ENDIAN 67#define BYTE_ORDER _BYTE_ORDER 68#endif 69 | 31 */ 32 33#ifndef _MACHINE_ENDIAN_H_ 34#define _MACHINE_ENDIAN_H_ 35 36#include <sys/cdefs.h> 37#include <sys/_types.h> 38 --- 23 unchanged lines hidden (view full) --- 62 */ 63#if __BSD_VISIBLE 64#define LITTLE_ENDIAN _LITTLE_ENDIAN 65#define BIG_ENDIAN _BIG_ENDIAN 66#define PDP_ENDIAN _PDP_ENDIAN 67#define BYTE_ORDER _BYTE_ORDER 68#endif 69 |
| 70#if defined(__INTEL_COMPILER) 71#if defined(__cplusplus) 72#if __INTEL_COMPILER >= 800 73#define __INTEL_COMPILER_with_FreeBSD_endian 1 74#endif 75#else 76#define __INTEL_COMPILER_with_FreeBSD_endian 1 77#endif 78#endif | 70#if defined(__GNUCLIKE_ASM) && defined(__GNUCLIKE_BUILTIN_CONSTANT_P) |
| 79 | 71 |
| 80#if defined(__GNUC__) || defined(__INTEL_COMPILER_with_FreeBSD_endian) 81 | |
| 82#define __word_swap_int_var(x) \ 83__extension__ ({ register __uint32_t __X = (x); \ 84 __asm ("rorl $16, %0" : "+r" (__X)); \ 85 __X; }) 86 87#ifdef __OPTIMIZE__ 88 89#define __word_swap_int_const(x) \ --- 73 unchanged lines hidden (view full) --- 163 return (__byte_swap_word(_x)); 164} 165 166#define __htonl(x) __bswap32(x) 167#define __htons(x) __bswap16(x) 168#define __ntohl(x) __bswap32(x) 169#define __ntohs(x) __bswap16(x) 170 | 72#define __word_swap_int_var(x) \ 73__extension__ ({ register __uint32_t __X = (x); \ 74 __asm ("rorl $16, %0" : "+r" (__X)); \ 75 __X; }) 76 77#ifdef __OPTIMIZE__ 78 79#define __word_swap_int_const(x) \ --- 73 unchanged lines hidden (view full) --- 153 return (__byte_swap_word(_x)); 154} 155 156#define __htonl(x) __bswap32(x) 157#define __htons(x) __bswap16(x) 158#define __ntohl(x) __bswap32(x) 159#define __ntohs(x) __bswap16(x) 160 |
| 171#else /* !(__GNUC__ || __INTEL_COMPILER_with_FreeBSD_endian) */ | 161#else /* !(__GNUCLIKE_ASM && __GNUCLIKE_BUILTIN_CONSTANT_P) */ |
| 172 173/* 174 * No optimizations are available for this compiler. Fall back to 175 * non-optimized functions by defining the constant usually used to prevent 176 * redefinition. 177 */ 178#define _BYTEORDER_FUNC_DEFINED 179 | 162 163/* 164 * No optimizations are available for this compiler. Fall back to 165 * non-optimized functions by defining the constant usually used to prevent 166 * redefinition. 167 */ 168#define _BYTEORDER_FUNC_DEFINED 169 |
| 180#endif /* __GNUC__ || __INTEL_COMPILER_with_FreeBSD_endian */ | 170#endif /* __GNUCLIKE_ASM && __GNUCLIKE_BUILTIN_CONSTANT_P */ |
| 181 182#ifdef __cplusplus 183} 184#endif 185 186#endif /* !_MACHINE_ENDIAN_H_ */ | 171 172#ifdef __cplusplus 173} 174#endif 175 176#endif /* !_MACHINE_ENDIAN_H_ */ |