1/* 2 * Copyright (c) 2000-2004 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/* 33 * Header file for basic, machine-dependent data types. i386 version. 34 */ 35 36#ifndef _MACHINE_VM_TYPES_DEFS_ 37#define _MACHINE_VM_TYPES_DEFS_ 1 38 39type short = int16_t; 40type int = int32_t; 41type unsigned = uint32_t; 42 43type float = MACH_MSG_TYPE_REAL_32; 44type double = MACH_MSG_TYPE_REAL_64; 45 46 47/* from ISO/IEC 988:1999 spec */ 48/* 7.18.1.4 Integer types capable of hgolding object pointers */ 49/* 50 * The [u]intptr_t types for the native 51 * integer type, e.g. 32 or 64 or.. whatever 52 * register size the machine has. They are 53 * used for entities that might be either 54 * [unsigned] integers or pointers, and for 55 * type-casting between the two. 56 * 57 * For instance, the IPC system represents 58 * a port in user space as an integer and 59 * in kernel space as a pointer. 60 */ 61#if defined(__LP64__) 62type uintptr_t = uint64_t; 63type intptr_t = int64_t; 64#else 65type uintptr_t = uint32_t; 66type intptr_t = int32_t; 67#endif 68 69/* 70 * These are the legacy Mach types that are 71 * the [rough] equivalents of the standards above. 72 * They were defined in terms of int, not 73 * long int, so they remain separate. 74 */ 75#if defined(__LP64__) 76type register_t = int64_t; 77#else 78type register_t = int32_t; 79#endif 80type integer_t = int32_t; 81type natural_t = uint32_t; 82 83/* 84 * These are the VM types that scale with the address 85 * space size of a given process. 86 */ 87 88#if defined(__LP64__) 89type vm_address_t = uint64_t; 90type vm_offset_t = uint64_t; 91type vm_size_t = uint64_t; 92#else 93type vm_address_t = natural_t; 94type vm_offset_t = natural_t; 95type vm_size_t = natural_t; 96#endif 97 98type mach_port_context_t = uint32_t; 99 100/* 101 * The mach_vm_xxx_t types are sized to hold the 102 * maximum pointer, offset, etc... supported on the 103 * platform. 104 */ 105type mach_vm_address_t = uint32_t; 106type mach_vm_offset_t = uint32_t; 107type mach_vm_size_t = uint32_t; 108 109#if MACH_IPC_COMPAT 110/* 111 * For the old IPC interface 112 */ 113#define MSG_TYPE_PORT_NAME natural_t 114 115#endif /* MACH_IPC_COMPAT */ 116 117/* 118 * These are types used internal to Mach to implement the 119 * legacy 32-bit VM APIs published by the kernel. 120 */ 121#define VM32_SUPPORT 1 122 123type vm32_address_t = uint32_t; 124type vm32_offset_t = uint32_t; 125type vm32_size_t = uint32_t; 126 127#endif /* _MACHINE_VM_TYPES_DEFS_ */ 128 129/* vim: set ft=c : */ 130