osfmk/mach/i386/machine_types.defs

   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
  39 type short = int16_t;
  40 type int = int32_t;
  41 type unsigned = uint32_t;
  42
  43 type float = MACH_MSG_TYPE_REAL_32;
  44 type 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__)
  62 type uintptr_t = uint64_t;
  63 type intptr_t = int64_t;
  64 #else
  65 type uintptr_t = uint32_t;
  66 type 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__)
  76 type register_t = int64_t;
  77 #else
  78 type register_t = int32_t;
  79 #endif
  80 type integer_t = int32_t;
  81 type 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__)
  89 type vm_address_t = uint64_t;
  90 type vm_offset_t = uint64_t;
  91 type vm_size_t = uint64_t;
  92 #else
  93 type vm_address_t = natural_t;
  94 type vm_offset_t = natural_t;
  95 type vm_size_t = natural_t;
  96 #endif
  97
  98 /*
  99  * The mach_vm_xxx_t types are sized to hold the
 100  * maximum pointer, offset, etc... supported on the
 101  * platform.
 102  */
 103 type mach_vm_address_t = uint64_t;
 104 type mach_vm_offset_t = uint64_t;
 105 type mach_vm_size_t = uint64_t;
 106
 107 #if     MACH_IPC_COMPAT
 108 /*
 109  * For the old IPC interface
 110  */
 111 #define MSG_TYPE_PORT_NAME      natural_t
 112
 113 #endif  /* MACH_IPC_COMPAT */
 114
 115 /*
 116  * These are types used internal to Mach to implement the
 117  * legacy 32-bit VM APIs published by the kernel.
 118  */
 119 #define VM32_SUPPORT    1
 120
 121 type vm32_address_t = uint32_t;
 122 type vm32_offset_t = uint32_t;
 123 type vm32_size_t = uint32_t;
 124
 125 #endif  /* _MACHINE_VM_TYPES_DEFS_ */
 126
 127 /* vim: set ft=c : */