osfmk/mach/ppc/machine_types.defs

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31
  32 /*
  33  *      Header file for basic, machine-dependent data types.
  34  */
  35
  36 #ifndef _PPC_VM_TYPES_DEFS_
  37 #define _PPC_VM_TYPES_DEFS_
  38
  39 type short = int16_t;
  40 type int = int32_t;
  41 type unsigned = uint32_t;
  42
  43 type float = MACH_MSG_TYPE_REAL_32;
  44 type double = MACH_MSG_TYPE_REAL_64;
  45
  46 /* from ISO/IEC 988:1999 spec */
  47 /* 7.18.1.4 Integer types capable of holding object pointers */
  48 /*
  49  * The [u]intptr_t types for the native
  50  * integer type, e.g. 32 or 64 or.. whatever
  51  * register size the machine has.  They are
  52  * used for entities that might be either
  53  * [unsigned] integers or pointers, and for
  54  * type-casting between the two.
  55  *
  56  * For instance, the IPC system represents
  57  * a port in user space as an integer and
  58  * in kernel space as a pointer.
  59  */
  60 #if defined(__ppc64__)
  61 type uintptr_t = uint64_t;
  62 type intptr_t = int64_t;
  63 #else
  64 type uintptr_t = uint32_t;
  65 type intptr_t = int32_t;
  66 #endif
  67
  68 /*
  69  * These are the legacy Mach types that are
  70  * the [rough] equivalents of the standards above.
  71  * They were defined in terms of int, not
  72  * long int, so they remain separate.
  73  */
  74 #if defined(__ppc64__)
  75 type register_t = int64_t;
  76 #else
  77 type register_t = int32_t;
  78 #endif
  79 type integer_t = int32_t;
  80 type natural_t = uint32_t;
  81
  82 /*
  83  * These are the VM types that scale with the address
  84  * space size of a given process.
  85  */
  86
  87 #if defined(__ppc64__)
  88 type vm_address_t = uint64_t;
  89 type vm_offset_t = uint64_t;
  90 type vm_size_t = uint64_t;
  91 #else
  92 type vm_address_t = natural_t;
  93 type vm_offset_t = natural_t;
  94 type vm_size_t = natural_t;
  95 #endif
  96
  97 /*
  98  * The mach_vm_xxx_t types are sized to hold the
  99  * maximum pointer, offset, etc... supported on the
 100  * platform.
 101  */
 102 type mach_vm_address_t = uint64_t;
 103 type mach_vm_offset_t = uint64_t;
 104 type mach_vm_size_t = uint64_t;
 105
 106 #if     MACH_IPC_COMPAT
 107 /*
 108  * For the old IPC interface
 109  */
 110 #define MSG_TYPE_PORT_NAME      uint32_t
 111
 112 #endif  /* MACH_IPC_COMPAT */
 113
 114 #endif  /* _PPC_VM_TYPES_DEFS_ */
 115
 116 /* vim: set ft=c : */