1/* 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * @OSF_COPYRIGHT@ 30 */ 31/* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56/* 57 */ 58 59/* 60 * File: vm_types.h 61 * Author: Avadis Tevanian, Jr. 62 * Date: 1985 63 * 64 * Header file for VM data types. I386 version. 65 */ 66 67#ifndef _MACH_I386_VM_TYPES_H_ 68#define _MACH_I386_VM_TYPES_H_ 69 70#ifndef ASSEMBLER 71 72#include <i386/_types.h> 73#include <stdint.h> 74 75/* 76 * natural_t and integer_t are Mach's legacy types for machine- 77 * independent integer types (unsigned, and signed, respectively). 78 * Their original purpose was to define other types in a machine/ 79 * compiler independent way. 80 * 81 * They also had an implicit "same size as pointer" characteristic 82 * to them (i.e. Mach's traditional types are very ILP32 or ILP64 83 * centric). We support x86 ABIs that do not follow either of 84 * these models (specifically LP64). Therefore, we had to make a 85 * choice between making these types scale with pointers or stay 86 * tied to integers. Because their use is predominantly tied to 87 * to the size of an integer, we are keeping that association and 88 * breaking free from pointer size guarantees. 89 * 90 * New use of these types is discouraged. 91 */ 92typedef __darwin_natural_t natural_t; 93typedef int integer_t; 94 95/* 96 * A vm_offset_t is a type-neutral pointer, 97 * e.g. an offset into a virtual memory space. 98 */ 99#ifdef __LP64__ 100typedef uintptr_t vm_offset_t; 101#else /* __LP64__ */ 102typedef natural_t vm_offset_t; 103#endif /* __LP64__ */ 104 105/* 106 * A vm_size_t is the proper type for e.g. 107 * expressing the difference between two 108 * vm_offset_t entities. 109 */ 110#ifdef __LP64__ 111typedef uintptr_t vm_size_t; 112#else /* __LP64__ */ 113typedef natural_t vm_size_t; 114#endif /* __LP64__ */ 115 116/* 117 * This new type is independent of a particular vm map's 118 * implementation size - and represents appropriate types 119 * for all possible maps. This is used for interfaces 120 * where the size of the map is not known - or we don't 121 * want to have to distinguish. 122 */ 123typedef uint64_t mach_vm_address_t; 124typedef uint64_t mach_vm_offset_t; 125typedef uint64_t mach_vm_size_t; 126 127typedef uint64_t vm_map_offset_t; 128typedef uint64_t vm_map_address_t; 129typedef uint64_t vm_map_size_t; 130 131#ifdef MACH_KERNEL_PRIVATE 132 133#ifdef VM32_SUPPORT 134 135/* 136 * These are types used internal to Mach to implement the 137 * legacy 32-bit VM APIs published by the kernel. 138 */ 139typedef uint32_t vm32_address_t; 140typedef uint32_t vm32_offset_t; 141typedef uint32_t vm32_size_t; 142 143#endif /* VM32_SUPPORT */ 144 145#endif /* MACH_KERNEL_PRIVATE */ 146 147#endif /* ASSEMBLER */ 148 149/* 150 * If composing messages by hand (please do not) 151 */ 152#define MACH_MSG_TYPE_INTEGER_T MACH_MSG_TYPE_INTEGER_32 153 154#endif /* _MACH_I386_VM_TYPES_H_ */ 155