osfmk/mach/i386/machine_types.defs

   1 /*
   2  * Copyright (c) 2000 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  * HISTORY
  27  *
  28  * Revision 1.1.1.1  1998/09/22 21:05:31  wsanchez
  29  * Import of Mac OS X kernel (~semeria)
  30  *
  31  * Revision 1.1.1.1  1998/03/07 02:25:47  wsanchez
  32  * Import of OSF Mach kernel (~mburg)
  33  *
  34  * Revision 1.1.5.1  1995/01/06  19:50:37  devrcs
  35  *      mk6 CR668 - 1.3b26 merge
  36  *      new file for mk6
  37  *      [1994/11/02  18:18:29  dwm]
  38  *
  39  * Revision 1.1.2.1  1994/05/06  18:54:50  tmt
  40  *      New Mig definition file to describe required machine types.
  41  *      [1994/05/05  21:08:57  tmt]
  42  *
  43  * $EndLog$
  44  */
  45 /*
  46  *      Header file for basic, machine-dependent data types.  i386 version.
  47  */
  48
  49 #ifndef _MACHINE_VM_TYPES_DEFS_
  50 #define _MACHINE_VM_TYPES_DEFS_ 1
  51
  52 /*
  53  * A natural_t is the type for the native
  54  * integer type, e.g. 32 or 64 or.. whatever
  55  * register size the machine has.  Unsigned, it is
  56  * used for entities that might be either
  57  * unsigned integers or pointers, and for
  58  * type-casting between the two.
  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 natural_t = unsigned32;
  64
  65 /*
  66  * An integer_t is the signed counterpart
  67  * of the natural_t type. Both types are
  68  * only supposed to be used to define
  69  * other types in a machine-independent
  70  * way.
  71  */
  72 type integer_t = int32;
  73
  74
  75 #if     MACH_IPC_COMPAT
  76 /*
  77  * For the old IPC interface
  78  */
  79 #define MSG_TYPE_PORT_NAME      MACH_MSG_TYPE_INTEGER_32
  80
  81 #endif  /* MACH_IPC_COMPAT */
  82
  83
  84 #endif  /* _MACHINE_VM_TYPES_DEFS_ */