osfmk/mach/i386/machine_types.defs

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 /*
  27  *      Header file for basic, machine-dependent data types.  i386 version.
  28  */
  29
  30 #ifndef _MACHINE_VM_TYPES_DEFS_
  31 #define _MACHINE_VM_TYPES_DEFS_ 1
  32
  33 type short = int16_t;
  34 type int = int32_t;
  35 type unsigned = uint32_t;
  36
  37 type float = MACH_MSG_TYPE_REAL_32;
  38 type double = MACH_MSG_TYPE_REAL_64;
  39
  40
  41 /* from ISO/IEC 988:1999 spec */
  42 /* 7.18.1.4 Integer types capable of hgolding object pointers */
  43 /*
  44  * The [u]intptr_t types for the native
  45  * integer type, e.g. 32 or 64 or.. whatever
  46  * register size the machine has.  They are
  47  * used for entities that might be either
  48  * [unsigned] integers or pointers, and for
  49  * type-casting between the two.
  50  *
  51  * For instance, the IPC system represents
  52  * a port in user space as an integer and
  53  * in kernel space as a pointer.
  54  */
  55 type uintptr_t = uint32_t;
  56 type intptr_t = int32_t;
  57
  58 /*
  59  * These are the legacy Mach types that are
  60  * the [rough] equivalents of the standards above.
  61  * They were defined in terms of int, not
  62  * long int, so they remain separate.
  63  */
  64 type register_t = int32_t;
  65 type integer_t = int32_t;
  66 type natural_t = uint32_t;
  67
  68 /*
  69  * These are the VM types that scale with the address
  70  * space size of a given process.
  71  */
  72 type vm_address_t = natural_t;
  73 type vm_offset_t = natural_t;
  74 type vm_size_t = natural_t;
  75
  76 /*
  77  * The mach_vm_xxx_t types are sized to hold the
  78  * maximum pointer, offset, etc... supported on the
  79  * platform.
  80  */
  81 type mach_vm_address_t = uint32_t;
  82 type mach_vm_offset_t = uint32_t;
  83 type mach_vm_size_t = uint32_t;
  84
  85 #if     MACH_IPC_COMPAT
  86 /*
  87  * For the old IPC interface
  88  */
  89 #define MSG_TYPE_PORT_NAME      natural_t
  90
  91 #endif  /* MACH_IPC_COMPAT */
  92
  93 #endif  /* _MACHINE_VM_TYPES_DEFS_ */