1/* 2 * Copyright (c) 2000-2007 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. arm+i386 version. 34 */ 35 36#ifndef _MACH_MACHINE_MACHNINE_TYPES_DEFS 37#define _MACH_MACHINE_MACHNINE_TYPES_DEFS 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#if VM_KERNEL_SERVER 47#define VM_ADD_CTYPE(type) ctype: type 48#define VM_TYPE_SAFE_UNSAFE(_safe_type, _unsafe_type) ctype: _unsafe_type 49#else /* VM_KERNEL_SERVER */ 50#define VM_ADD_CTYPE(type) 51#define VM_TYPE_SAFE_UNSAFE(_safe_type, _unsafe_type) ctype: _safe_type 52#endif /* VM_KERNEL_SERVER */ 53 54#define VM_UNSAFE_TYPE(_unsafe_type) VM_ADD_CTYPE(_unsafe_type) 55 56/* from ISO/IEC 988:1999 spec */ 57/* 7.18.1.4 Integer types capable of hgolding object pointers */ 58/* 59 * The [u]intptr_t types for the native 60 * integer type, e.g. 32 or 64 or.. whatever 61 * register size the machine has. They are 62 * used for entities that might be either 63 * [unsigned] integers or pointers, and for 64 * type-casting between the two. 65 * 66 * For instance, the IPC system represents 67 * a port in user space as an integer and 68 * in kernel space as a pointer. 69 */ 70#if defined(__LP64__) 71type uintptr_t = uint64_t; 72type intptr_t = int64_t; 73#else 74type uintptr_t = uint32_t; 75type intptr_t = int32_t; 76#endif 77 78/* 79 * These are the legacy Mach types that are 80 * the [rough] equivalents of the standards above. 81 * They were defined in terms of int, not 82 * long int, so they remain separate. 83 */ 84#if defined(__LP64__) 85type register_t = int64_t; 86#else 87type register_t = int32_t; 88#endif 89type integer_t = int32_t; 90type natural_t = uint32_t; 91 92/* 93 * These are the VM types that scale with the address 94 * space size of a given process. 95 */ 96 97#if defined(__LP64__) 98type vm_address_t = uint64_t VM_UNSAFE_TYPE(vm_address_ut); 99type vm_offset_t = uint64_t VM_UNSAFE_TYPE(vm_offset_ut); 100type vm_size_t = uint64_t VM_UNSAFE_TYPE(vm_size_ut); 101#else 102type vm_address_t = natural_t VM_UNSAFE_TYPE(vm_address_ut); 103type vm_offset_t = natural_t VM_UNSAFE_TYPE(vm_offset_ut); 104type vm_size_t = natural_t VM_UNSAFE_TYPE(vm_size_ut); 105#endif 106 107/* This is a bit of a hack for arm. We implement the backend with a wide type, but present a native-sized type to callers */ 108type mach_port_context_t = uint64_t; 109 110/* 111 * The mach_vm_xxx_t types are sized to hold the 112 * maximum pointer, offset, etc... supported on the 113 * platform. 114 */ 115type mach_vm_address_t = uint64_t VM_UNSAFE_TYPE(mach_vm_address_ut); 116type mach_vm_offset_t = uint64_t VM_UNSAFE_TYPE(mach_vm_offset_ut); 117type mach_vm_size_t = uint64_t VM_UNSAFE_TYPE(mach_vm_size_ut); 118 119/* 120 * These are types used internal to Mach to implement the 121 * legacy 32-bit VM APIs published by the kernel. 122 */ 123#define VM32_SUPPORT 1 124 125type vm32_address_t = uint32_t VM_UNSAFE_TYPE(vm32_address_ut); 126type vm32_offset_t = uint32_t VM_UNSAFE_TYPE(vm32_offset_ut); 127type vm32_size_t = uint32_t VM_UNSAFE_TYPE(vm32_size_ut); 128 129#endif /* _MACH_MACHINE_MACHNINE_TYPES_DEFS */ 130 131/* vim: set ft=c : */ 132