machine_types.defs   [plain text]

/*
 * Copyright (c) 2002,2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/*
 *	Header file for basic, machine-dependent data types.  i386 version.
 */

#ifndef	_MACHINE_VM_TYPES_DEFS_
#define	_MACHINE_VM_TYPES_DEFS_	1

type short = int16_t;
type int = int32_t;
type unsigned = uint32_t;

type float = MACH_MSG_TYPE_REAL_32;
type double = MACH_MSG_TYPE_REAL_64;


/* from ISO/IEC 988:1999 spec */
/* 7.18.1.4 Integer types capable of hgolding object pointers */
/*
 * The [u]intptr_t types for the native
 * integer type, e.g. 32 or 64 or.. whatever
 * register size the machine has.  They are
 * used for entities that might be either
 * [unsigned] integers or pointers, and for
 * type-casting between the two.
 *
 * For instance, the IPC system represents
 * a port in user space as an integer and
 * in kernel space as a pointer.
 */
type uintptr_t = MACH_MSG_TYPE_INTEGER_32;
type intptr_t = MACH_MSG_TYPE_INTEGER_32;

/*
 * These are the legacy Mach types that are
 * the [rough] equivalents of the standards above.
 * They were defined in terms of int, not
 * long int, so they remain separate.
 */
type register_t = int32_t;
type integer_t = int32_t;
type natural_t = uint32_t;

#if	MACH_IPC_COMPAT
/*
 * For the old IPC interface
 */
#define	MSG_TYPE_PORT_NAME	MACH_MSG_TYPE_INTEGER_32

#endif	/* MACH_IPC_COMPAT */


#endif	/* _MACHINE_VM_TYPES_DEFS_ */