osfmk/mach/ndr.h

   1 /*
   2  * Copyright (c) 2000-2005 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 #ifndef _MACH_NDR_H_
  33 #define _MACH_NDR_H_
  34
  35 #include <stdint.h>
  36 #include <sys/cdefs.h>
  37
  38 typedef struct {
  39     unsigned char       mig_vers;
  40     unsigned char       if_vers;
  41     unsigned char       reserved1;
  42     unsigned char       mig_encoding;
  43     unsigned char       int_rep;
  44     unsigned char       char_rep;
  45     unsigned char       float_rep;
  46     unsigned char       reserved2;
  47 } NDR_record_t;
  48
  49 /*
  50  * MIG supported protocols for Network Data Representation
  51  */
  52 #define  NDR_PROTOCOL_2_0      0
  53
  54 /*
  55  * NDR 2.0 format flag type definition and values.
  56  */
  57 #define  NDR_INT_BIG_ENDIAN    0
  58 #define  NDR_INT_LITTLE_ENDIAN 1
  59 #define  NDR_FLOAT_IEEE        0
  60 #define  NDR_FLOAT_VAX         1
  61 #define  NDR_FLOAT_CRAY        2
  62 #define  NDR_FLOAT_IBM         3
  63 #define  NDR_CHAR_ASCII        0
  64 #define  NDR_CHAR_EBCDIC       1
  65
  66 extern NDR_record_t NDR_record;
  67
  68 #ifndef __NDR_convert__
  69 #define __NDR_convert__ 1
  70 #endif /* __NDR_convert__ */
  71
  72 #ifndef __NDR_convert__int_rep__
  73 #define __NDR_convert__int_rep__ 1
  74 #endif /* __NDR_convert__int_rep__ */
  75
  76 #ifndef __NDR_convert__char_rep__
  77 #define __NDR_convert__char_rep__ 0
  78 #endif /* __NDR_convert__char_rep__ */
  79
  80 #ifndef __NDR_convert__float_rep__
  81 #define __NDR_convert__float_rep__ 0
  82 #endif /* __NDR_convert__float_rep__ */
  83
  84 #if __NDR_convert__
  85
  86 #define __NDR_convert__NOOP             do ; while (0)
  87 #define __NDR_convert__UNKNOWN(s)       __NDR_convert__NOOP
  88 #define __NDR_convert__SINGLE(a, f, r)  do { r((a), (f)); } while (0)
  89 #define __NDR_convert__ARRAY(a, f, c, r) \
  90         do { int __i__, __C__ = (c); \
  91         for (__i__ = 0; __i__ < __C__; __i__++) \
  92         r(&(a)[__i__], f); } while (0)
  93 #define __NDR_convert__2DARRAY(a, f, s, c, r) \
  94         do { int __i__, __C__ = (c), __S__ = (s); \
  95         for (__i__ = 0; __i__ < __C__; __i__++) \
  96         r(&(a)[__i__ * __S__], f, __S__); } while (0)
  97
  98 #if __NDR_convert__int_rep__
  99
 100 #include <libkern/OSByteOrder.h>
 101
 102 #define __NDR_READSWAP_assign(a, rs)    do { *(a) = rs(a); } while (0)
 103
 104 #define __NDR_READSWAP__uint16_t(a)     OSReadSwapInt16((void *)a, 0)
 105 #define __NDR_READSWAP__int16_t(a)      (int16_t)OSReadSwapInt16((void *)a, 0)
 106 #define __NDR_READSWAP__uint32_t(a)     OSReadSwapInt32((void *)a, 0)
 107 #define __NDR_READSWAP__int32_t(a)      (int32_t)OSReadSwapInt32((void *)a, 0)
 108 #define __NDR_READSWAP__uint64_t(a)     OSReadSwapInt64((void *)a, 0)
 109 #define __NDR_READSWAP__int64_t(a)      (int64_t)OSReadSwapInt64((void *)a, 0)
 110
 111 __BEGIN_DECLS
 112
 113 static __inline__ float __NDR_READSWAP__float(float *argp) {
 114         union {
 115                 float sv;
 116                 uint32_t ull;
 117         } result;
 118         result.ull = __NDR_READSWAP__uint32_t((uint32_t *)argp);
 119         return result.sv;
 120 }
 121
 122 static __inline__ double __NDR_READSWAP__double(double *argp) {
 123         union {
 124                 double sv;
 125                 uint64_t ull;
 126         } result;
 127         result.ull = __NDR_READSWAP__uint64_t((uint64_t *)argp);
 128         return result.sv;
 129 }
 130
 131 __END_DECLS
 132
 133 #define __NDR_convert__int_rep__int16_t__defined
 134 #define __NDR_convert__int_rep__int16_t(v,f)            \
 135         __NDR_READSWAP_assign(v, __NDR_READSWAP__int16_t)
 136
 137 #define __NDR_convert__int_rep__uint16_t__defined
 138 #define __NDR_convert__int_rep__uint16_t(v,f)           \
 139         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint16_t)
 140
 141 #define __NDR_convert__int_rep__int32_t__defined
 142 #define __NDR_convert__int_rep__int32_t(v,f)            \
 143         __NDR_READSWAP_assign(v, __NDR_READSWAP__int32_t)
 144
 145 #define __NDR_convert__int_rep__uint32_t__defined
 146 #define __NDR_convert__int_rep__uint32_t(v,f)           \
 147         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint32_t)
 148
 149 #define __NDR_convert__int_rep__int64_t__defined
 150 #define __NDR_convert__int_rep__int64_t(v,f)            \
 151         __NDR_READSWAP_assign(v, __NDR_READSWAP__int64_t)
 152
 153 #define __NDR_convert__int_rep__uint64_t__defined
 154 #define __NDR_convert__int_rep__uint64_t(v,f)           \
 155         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint64_t)
 156
 157 #define __NDR_convert__int_rep__float__defined
 158 #define __NDR_convert__int_rep__float(v,f)              \
 159         __NDR_READSWAP_assign(v, __NDR_READSWAP__float)
 160
 161 #define __NDR_convert__int_rep__double__defined
 162 #define __NDR_convert__int_rep__double(v,f)             \
 163         __NDR_READSWAP_assign(v, __NDR_READSWAP__double)
 164
 165 #define __NDR_convert__int_rep__boolean_t__defined
 166 #define __NDR_convert__int_rep__boolean_t(v, f)         \
 167         __NDR_convert__int_rep__int32_t(v,f)
 168
 169 #define __NDR_convert__int_rep__kern_return_t__defined
 170 #define __NDR_convert__int_rep__kern_return_t(v,f)      \
 171         __NDR_convert__int_rep__int32_t(v,f)
 172
 173 #define __NDR_convert__int_rep__mach_port_name_t__defined
 174 #define __NDR_convert__int_rep__mach_port_name_t(v,f)   \
 175         __NDR_convert__int_rep__uint32_t(v,f)
 176
 177 #define __NDR_convert__int_rep__mach_msg_type_number_t__defined
 178 #define __NDR_convert__int_rep__mach_msg_type_number_t(v,f) \
 179         __NDR_convert__int_rep__uint32_t(v,f)
 180
 181 #endif /* __NDR_convert__int_rep__ */
 182
 183 #if __NDR_convert__char_rep__
 184
 185 #warning  NDR character representation conversions not implemented yet!
 186 #define __NDR_convert__char_rep__char(v,f)      __NDR_convert__NOOP
 187 #define __NDR_convert__char_rep__string(v,f,l)  __NDR_convert__NOOP
 188
 189 #endif /* __NDR_convert__char_rep__ */
 190
 191 #if __NDR_convert__float_rep__
 192
 193 #warning  NDR floating point representation conversions not implemented yet!
 194 #define __NDR_convert__float_rep__float(v,f)    __NDR_convert__NOOP
 195 #define __NDR_convert__float_rep__double(v,f)   __NDR_convert__NOOP
 196
 197 #endif /* __NDR_convert__float_rep__ */
 198
 199 #endif /* __NDR_convert__ */
 200
 201 #endif /* _MACH_NDR_H_ */