osfmk/mach/i386/machine_types.defs

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33
  34 /*
  35  *      Header file for basic, machine-dependent data types.  i386 version.
  36  */
  37
  38 #ifndef _MACHINE_VM_TYPES_DEFS_
  39 #define _MACHINE_VM_TYPES_DEFS_ 1
  40
  41 type short = int16_t;
  42 type int = int32_t;
  43 type unsigned = uint32_t;
  44
  45 type float = MACH_MSG_TYPE_REAL_32;
  46 type double = MACH_MSG_TYPE_REAL_64;
  47
  48
  49 /* from ISO/IEC 988:1999 spec */
  50 /* 7.18.1.4 Integer types capable of hgolding object pointers */
  51 /*
  52  * The [u]intptr_t types for the native
  53  * integer type, e.g. 32 or 64 or.. whatever
  54  * register size the machine has.  They are
  55  * used for entities that might be either
  56  * [unsigned] integers or pointers, and for
  57  * type-casting between the two.
  58  *
  59  * For instance, the IPC system represents
  60  * a port in user space as an integer and
  61  * in kernel space as a pointer.
  62  */
  63 type uintptr_t = uint32_t;
  64 type intptr_t = int32_t;
  65
  66 /*
  67  * These are the legacy Mach types that are
  68  * the [rough] equivalents of the standards above.
  69  * They were defined in terms of int, not
  70  * long int, so they remain separate.
  71  */
  72 type register_t = int32_t;
  73 type integer_t = int32_t;
  74 type natural_t = uint32_t;
  75
  76 /*
  77  * These are the VM types that scale with the address
  78  * space size of a given process.
  79  */
  80 type vm_address_t = natural_t;
  81 type vm_offset_t = natural_t;
  82 type vm_size_t = natural_t;
  83
  84 /*
  85  * The mach_vm_xxx_t types are sized to hold the
  86  * maximum pointer, offset, etc... supported on the
  87  * platform.
  88  */
  89 type mach_vm_address_t = uint32_t;
  90 type mach_vm_offset_t = uint32_t;
  91 type mach_vm_size_t = uint32_t;
  92
  93 #if     MACH_IPC_COMPAT
  94 /*
  95  * For the old IPC interface
  96  */
  97 #define MSG_TYPE_PORT_NAME      natural_t
  98
  99 #endif  /* MACH_IPC_COMPAT */
 100
 101 #endif  /* _MACHINE_VM_TYPES_DEFS_ */