osfmk/mach/i386/vm_types.h

   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 1.2.8.2  1995/01/06  19:50:48  devrcs
  35  *      mk6 CR668 - 1.3b26 merge
  36  *      64bit cleanup
  37  *      [1994/10/14  03:42:42  dwm]
  38  *
  39  * Revision 1.2.8.1  1994/09/23  02:38:01  ezf
  40  *      change marker to not FREE
  41  *      [1994/09/22  21:40:30  ezf]
  42  *
  43  * Revision 1.2.2.2  1993/06/09  02:41:01  gm
  44  *      Added to OSF/1 R1.3 from NMK15.0.
  45  *      [1993/06/02  21:16:38  jeffc]
  46  *
  47  * Revision 1.2  1993/04/19  16:34:37  devrcs
  48  *      ansi C conformance changes
  49  *      [1993/02/02  18:56:34  david]
  50  *
  51  * Revision 1.1  1992/09/30  02:30:57  robert
  52  *      Initial revision
  53  *
  54  * $EndLog$
  55  */
  56 /* CMU_HIST */
  57 /*
  58  * Revision 2.4  91/05/14  16:53:00  mrt
  59  *      Correcting copyright
  60  *
  61  * Revision 2.3  91/02/05  17:32:34  mrt
  62  *      Changed to new Mach copyright
  63  *      [91/02/01  17:10:49  mrt]
  64  *
  65  * Revision 2.2  90/05/03  15:48:32  dbg
  66  *      First checkin.
  67  *
  68  * Revision 1.3  89/03/09  20:20:12  rpd
  69  *      More cleanup.
  70  *
  71  * Revision 1.2  89/02/26  13:01:20  gm0w
  72  *      Changes for cleanup.
  73  *
  74  * 31-Dec-88  Robert Baron (rvb) at Carnegie-Mellon University
  75  *      Derived from MACH2.0 vax release.
  76  *
  77  * 23-Apr-87  Michael Young (mwyoung) at Carnegie-Mellon University
  78  *      Changed things to "unsigned int" to appease the user community :-).
  79  *
  80  */
  81 /* CMU_ENDHIST */
  82 /*
  83  * Mach Operating System
  84  * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
  85  * All Rights Reserved.
  86  *
  87  * Permission to use, copy, modify and distribute this software and its
  88  * documentation is hereby granted, provided that both the copyright
  89  * notice and this permission notice appear in all copies of the
  90  * software, derivative works or modified versions, and any portions
  91  * thereof, and that both notices appear in supporting documentation.
  92  *
  93  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  94  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  95  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  96  *
  97  * Carnegie Mellon requests users of this software to return to
  98  *
  99  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 100  *  School of Computer Science
 101  *  Carnegie Mellon University
 102  *  Pittsburgh PA 15213-3890
 103  *
 104  * any improvements or extensions that they make and grant Carnegie Mellon
 105  * the rights to redistribute these changes.
 106  */
 107 /*
 108  */
 109
 110 /*
 111  *      File:   vm_types.h
 112  *      Author: Avadis Tevanian, Jr.
 113  *      Date: 1985
 114  *
 115  *      Header file for VM data types.  I386 version.
 116  */
 117
 118 #ifndef _MACH_I386_VM_TYPES_H_
 119 #define _MACH_I386_VM_TYPES_H_
 120
 121 #ifdef  ASSEMBLER
 122 #else   /* ASSEMBLER */
 123
 124 /*
 125  * A natural_t is the type for the native
 126  * integer type, e.g. 32 or 64 or.. whatever
 127  * register size the machine has.  Unsigned, it is
 128  * used for entities that might be either
 129  * unsigned integers or pointers, and for
 130  * type-casting between the two.
 131  * For instance, the IPC system represents
 132  * a port in user space as an integer and
 133  * in kernel space as a pointer.
 134  */
 135 typedef unsigned int    natural_t;
 136
 137 /*
 138  * An integer_t is the signed counterpart
 139  * of the natural_t type. Both types are
 140  * only supposed to be used to define
 141  * other types in a machine-independent
 142  * way.
 143  */
 144 typedef int             integer_t;
 145
 146 #ifdef  MACH_KERNEL_PRIVATE
 147 /*
 148  * An int32 is an integer that is at least 32 bits wide
 149  */
 150 typedef int             int32;
 151 typedef unsigned int    uint32;
 152 #endif
 153
 154 /*
 155  * A vm_offset_t is a type-neutral pointer,
 156  * e.g. an offset into a virtual memory space.
 157  */
 158 typedef natural_t       vm_offset_t;
 159
 160 /*
 161  * A vm_size_t is the proper type for e.g.
 162  * expressing the difference between two
 163  * vm_offset_t entities.
 164  */
 165 typedef natural_t       vm_size_t;
 166
 167 #endif  /* ASSEMBLER */
 168
 169 /*
 170  * If composing messages by hand (please dont)
 171  */
 172
 173 #define MACH_MSG_TYPE_INTEGER_T MACH_MSG_TYPE_INTEGER_32
 174
 175 #endif  /* _MACH_I386_VM_TYPES_H_ */