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 <mach/i386/vm_param.h> 74 #include <stdint.h> 75 76 /* 77 * natural_t and integer_t are Mach's legacy types for machine- 78 * independent integer types (unsigned, and signed, respectively). 79 * Their original purpose was to define other types in a machine/ 80 * compiler independent way. 81 * 82 * They also had an implicit "same size as pointer" characteristic 83 * to them (i.e. Mach's traditional types are very ILP32 or ILP64 84 * centric). We support x86 ABIs that do not follow either of 85 * these models (specifically LP64). Therefore, we had to make a 86 * choice between making these types scale with pointers or stay 87 * tied to integers. Because their use is predominantly tied to 88 * to the size of an integer, we are keeping that association and 89 * breaking free from pointer size guarantees. 90 * 91 * New use of these types is discouraged. 92 */ 93 typedef __darwin_natural_t natural_t; 94 typedef int integer_t; 95 96 /* 97 * A vm_offset_t is a type-neutral pointer, 98 * e.g. an offset into a virtual memory space. 99 */ 100 #ifdef __LP64__ 101 typedef uintptr_t vm_offset_t; 102 #else /* __LP64__ */ 103 typedef natural_t vm_offset_t; 104 #endif /* __LP64__ */ 105 106 /* 107 * A vm_size_t is the proper type for e.g. 108 * expressing the difference between two 109 * vm_offset_t entities. 110 */ 111 #ifdef __LP64__ 112 typedef uintptr_t vm_size_t; 113 #else /* __LP64__ */ 114 typedef natural_t vm_size_t; 115 #endif /* __LP64__ */ 116 117 /* 118 * This new type is independent of a particular vm map's 119 * implementation size - and represents appropriate types 120 * for all possible maps. This is used for interfaces 121 * where the size of the map is not known - or we don't 122 * want to have to distinguish. 123 */ 124 typedef uint64_t mach_vm_address_t; 125 typedef uint64_t mach_vm_offset_t; 126 typedef uint64_t mach_vm_size_t; 127 128 typedef uint64_t vm_map_offset_t; 129 typedef uint64_t vm_map_address_t; 130 typedef uint64_t vm_map_size_t; 131 132 133 #endif /* ASSEMBLER */ 134 135 /* 136 * If composing messages by hand (please do not) 137 */ 138 #define MACH_MSG_TYPE_INTEGER_T MACH_MSG_TYPE_INTEGER_32 139 140 #endif /* _MACH_I386_VM_TYPES_H_ */ 141