diff options
Diffstat (limited to 'newlib/libc/sys/linux/machine/i386/include/endian.h')
| -rw-r--r-- | newlib/libc/sys/linux/machine/i386/include/endian.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/newlib/libc/sys/linux/machine/i386/include/endian.h b/newlib/libc/sys/linux/machine/i386/include/endian.h deleted file mode 100644 index aa9cd90a3..000000000 --- a/newlib/libc/sys/linux/machine/i386/include/endian.h +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright (c) 1987, 1991 Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * from: @(#)endian.h 7.8 (Berkeley) 4/3/91 - * $Id$ - */ - -#ifndef _MACHINE_ENDIAN_H_ -#define _MACHINE_ENDIAN_H_ - -/* - * Define the order of 32-bit words in 64-bit words. - */ -#define _QUAD_HIGHWORD 1 -#define _QUAD_LOWWORD 0 - -/* - * Definitions for byte order, according to byte significance from low - * address to high. - */ -#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ -#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ -#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ - -#define BYTE_ORDER LITTLE_ENDIAN - -#ifndef KERNEL -#include <sys/cdefs.h> -#endif - -#include <sys/types.h> - -__BEGIN_DECLS -unsigned long htonl __P((unsigned long)); -unsigned short htons __P((unsigned short)); -unsigned long ntohl __P((unsigned long)); -unsigned short ntohs __P((unsigned short)); -__END_DECLS - -#define __word_swap_long(x) \ -__extension__ ({ register u_long __X = (x); \ - __asm ("rorl $16, %1" \ - : "=r" (__X) \ - : "0" (__X)); \ - __X; }) - -#if defined(KERNEL) && (defined(I486_CPU) || defined(I586_CPU) || defined(I686_CPU)) && !defined(I386_CPU) - -#define __byte_swap_long(x) \ -__extension__ ({ register u_long __X = (x); \ - __asm ("bswap %0" \ - : "=r" (__X) \ - : "0" (__X)); \ - __X; }) -#else - -#define __byte_swap_long(x) \ -__extension__ ({ register u_long __X = (x); \ - __asm ("xchgb %h1, %b1\n\trorl $16, %1\n\txchgb %h1, %b1" \ - : "=q" (__X) \ - : "0" (__X)); \ - __X; }) -#endif - -#define __byte_swap_word(x) \ -__extension__ ({ register u_short __X = (x); \ - __asm ("xchgb %h1, %b1" \ - : "=q" (__X) \ - : "0" (__X)); \ - __X; }) - -/* - * Macros for network/external number representation conversion. - */ -#ifdef __GNUC__ -#define ntohl __byte_swap_long -#define ntohs __byte_swap_word -#define htonl __byte_swap_long -#define htons __byte_swap_word -#endif - -#define NTOHL(x) ((x) = ntohl((u_long)(x))) -#define NTOHS(x) ((x) = ntohs((u_short)(x))) -#define HTONL(x) ((x) = htonl((u_long)(x))) -#define HTONS(x) ((x) = htons((u_short)(x))) - -#endif /* !_MACHINE_ENDIAN_H_ */ |