osfmk/mach/ppc/machine_types.defs

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_COPYRIGHT@
  25  */
  26
  27 /*
  28  *      Header file for basic, machine-dependent data types.
  29  */
  30
  31 #ifndef _PPC_VM_TYPES_DEFS_
  32 #define _PPC_VM_TYPES_DEFS_
  33
  34 type short = int16_t;
  35 type int = int32_t;
  36 type unsigned = uint32_t;
  37
  38 type float = MACH_MSG_TYPE_REAL_32;
  39 type double = MACH_MSG_TYPE_REAL_64;
  40
  41 /* from ISO/IEC 988:1999 spec */
  42 /* 7.18.1.4 Integer types capable of holding 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 #if defined(__ppc64__)
  56 type uintptr_t = uint64_t;
  57 type intptr_t = int64_t;
  58 #else
  59 type uintptr_t = uint32_t;
  60 type intptr_t = int32_t;
  61 #endif
  62
  63 /*
  64  * These are the legacy Mach types that are
  65  * the [rough] equivalents of the standards above.
  66  * They were defined in terms of int, not
  67  * long int, so they remain separate.
  68  */
  69 #if defined(__ppc64__)
  70 type register_t = int64_t;
  71 #else
  72 type register_t = int32_t;
  73 #endif
  74 type integer_t = int32_t;
  75 type natural_t = uint32_t;
  76
  77 /*
  78  * These are the VM types that scale with the address
  79  * space size of a given process.
  80  */
  81
  82 #if defined(__ppc64__)
  83 type vm_address_t = uint64_t;
  84 type vm_offset_t = uint64_t;
  85 type vm_size_t = uint64_t;
  86 #else
  87 type vm_address_t = natural_t;
  88 type vm_offset_t = natural_t;
  89 type vm_size_t = natural_t;
  90 #endif
  91
  92 /*
  93  * The mach_vm_xxx_t types are sized to hold the
  94  * maximum pointer, offset, etc... supported on the
  95  * platform.
  96  */
  97 type mach_vm_address_t = uint64_t;
  98 type mach_vm_offset_t = uint64_t;
  99 type mach_vm_size_t = uint64_t;
 100
 101 #if     MACH_IPC_COMPAT
 102 /*
 103  * For the old IPC interface
 104  */
 105 #define MSG_TYPE_PORT_NAME      uint32_t
 106
 107 #endif  /* MACH_IPC_COMPAT */
 108
 109 #endif  /* _PPC_VM_TYPES_DEFS_ */