osfmk/mach/ndr.h

   1 /*
   2  * Copyright (c) 2000-2003 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 #ifndef _MACH_NDR_H_
  27 #define _MACH_NDR_H_
  28
  29 #include <stdint.h>
  30
  31 typedef struct {
  32     unsigned char       mig_vers;
  33     unsigned char       if_vers;
  34     unsigned char       reserved1;
  35     unsigned char       mig_encoding;
  36     unsigned char       int_rep;
  37     unsigned char       char_rep;
  38     unsigned char       float_rep;
  39     unsigned char       reserved2;
  40 } NDR_record_t;
  41
  42 /*
  43  * MIG supported protocols for Network Data Representation
  44  */
  45 #define  NDR_PROTOCOL_2_0      0
  46
  47 /*
  48  * NDR 2.0 format flag type definition and values.
  49  */
  50 #define  NDR_INT_BIG_ENDIAN    0
  51 #define  NDR_INT_LITTLE_ENDIAN 1
  52 #define  NDR_FLOAT_IEEE        0
  53 #define  NDR_FLOAT_VAX         1
  54 #define  NDR_FLOAT_CRAY        2
  55 #define  NDR_FLOAT_IBM         3
  56 #define  NDR_CHAR_ASCII        0
  57 #define  NDR_CHAR_EBCDIC       1
  58
  59 extern NDR_record_t NDR_record;
  60
  61 #ifndef __NDR_convert__
  62 #define __NDR_convert__ 1
  63 #endif /* __NDR_convert__ */
  64
  65 #ifndef __NDR_convert__int_rep__
  66 #define __NDR_convert__int_rep__ 1
  67 #endif /* __NDR_convert__int_rep__ */
  68
  69 #ifndef __NDR_convert__char_rep__
  70 #define __NDR_convert__char_rep__ 0
  71 #endif /* __NDR_convert__char_rep__ */
  72
  73 #ifndef __NDR_convert__float_rep__
  74 #define __NDR_convert__float_rep__ 0
  75 #endif /* __NDR_convert__float_rep__ */
  76
  77 #if __NDR_convert__
  78
  79 #define __NDR_convert__NOOP             do ; while (0)
  80 #define __NDR_convert__UNKNOWN(s)       __NDR_convert__NOOP
  81 #define __NDR_convert__SINGLE(a, f, r)  do { r((a), (f)); } while (0)
  82 #define __NDR_convert__ARRAY(a, f, c, r) \
  83         do { int __i__, __C__ = (c); \
  84         for (__i__ = 0; __i__ < __C__; __i__++) \
  85         r(&(a)[__i__], f); } while (0)
  86 #define __NDR_convert__2DARRAY(a, f, s, c, r) \
  87         do { int __i__, __C__ = (c), __S__ = (s); \
  88         for (__i__ = 0; __i__ < __C__; __i__++) \
  89         r(&(a)[__i__ * __S__], f, __S__); } while (0)
  90
  91 #if __NDR_convert__int_rep__
  92
  93 #include <libkern/OSByteOrder.h>
  94
  95 #define __NDR_READSWAP_assign(a, rs)    do { *(a) = rs(a); } while (0)
  96
  97 #define __NDR_READSWAP__uint16_t(a)     OSReadSwapInt16((void *)a, 0)
  98 #define __NDR_READSWAP__int16_t(a)      (int16_t)OSReadSwapInt16((void *)a, 0)
  99 #define __NDR_READSWAP__uint32_t(a)     OSReadSwapInt32((void *)a, 0)
 100 #define __NDR_READSWAP__int32_t(a)      (int32_t)OSReadSwapInt32((void *)a, 0)
 101 #define __NDR_READSWAP__uint64_t(a)     OSReadSwapInt64((void *)a, 0)
 102 #define __NDR_READSWAP__int64_t(a)      (int64_t)OSReadSwapInt64((void *)a, 0)
 103
 104 static __inline__ float __NDR_READSWAP__float(float *argp) {
 105         union {
 106                 float sv;
 107                 uint32_t ull;
 108         } result;
 109         result.ull = __NDR_READSWAP__uint32_t((uint32_t *)argp);
 110         return result.sv;
 111 }
 112
 113 static __inline__ double __NDR_READSWAP__double(double *argp) {
 114         union {
 115                 double sv;
 116                 uint64_t ull;
 117         } result;
 118         result.ull = __NDR_READSWAP__uint64_t((uint64_t *)argp);
 119         return result.sv;
 120 }
 121
 122 #define __NDR_convert__int_rep__int16_t__defined
 123 #define __NDR_convert__int_rep__int16_t(v,f)            \
 124         __NDR_READSWAP_assign(v, __NDR_READSWAP__int16_t)
 125
 126 #define __NDR_convert__int_rep__uint16_t__defined
 127 #define __NDR_convert__int_rep__uint16_t(v,f)           \
 128         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint16_t)
 129
 130 #define __NDR_convert__int_rep__int32_t__defined
 131 #define __NDR_convert__int_rep__int32_t(v,f)            \
 132         __NDR_READSWAP_assign(v, __NDR_READSWAP__int32_t)
 133
 134 #define __NDR_convert__int_rep__uint32_t__defined
 135 #define __NDR_convert__int_rep__uint32_t(v,f)           \
 136         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint32_t)
 137
 138 #define __NDR_convert__int_rep__int64_t__defined
 139 #define __NDR_convert__int_rep__int64_t(v,f)            \
 140         __NDR_READSWAP_assign(v, __NDR_READSWAP__int64_t)
 141
 142 #define __NDR_convert__int_rep__uint64_t__defined
 143 #define __NDR_convert__int_rep__uint64_t(v,f)           \
 144         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint64_t)
 145
 146 #define __NDR_convert__int_rep__float__defined
 147 #define __NDR_convert__int_rep__float(v,f)              \
 148         __NDR_READSWAP_assign(v, __NDR_READSWAP__float)
 149
 150 #define __NDR_convert__int_rep__double__defined
 151 #define __NDR_convert__int_rep__double(v,f)             \
 152         __NDR_READSWAP_assign(v, __NDR_READSWAP__double)
 153
 154 #define __NDR_convert__int_rep__boolean_t__defined
 155 #define __NDR_convert__int_rep__boolean_t(v, f)         \
 156         __NDR_convert__int_rep__int32_t(v,f)
 157
 158 #define __NDR_convert__int_rep__kern_return_t__defined
 159 #define __NDR_convert__int_rep__kern_return_t(v,f)      \
 160         __NDR_convert__int_rep__int32_t(v,f)
 161
 162 #define __NDR_convert__int_rep__mach_port_name_t__defined
 163 #define __NDR_convert__int_rep__mach_port_name_t(v,f)   \
 164         __NDR_convert__int_rep__uint32_t(v,f)
 165
 166 #define __NDR_convert__int_rep__mach_msg_type_number_t__defined
 167 #define __NDR_convert__int_rep__mach_msg_type_number_t(v,f) \
 168         __NDR_convert__int_rep__uint32_t(v,f)
 169
 170 #endif /* __NDR_convert__int_rep__ */
 171
 172 #if __NDR_convert__char_rep__
 173
 174 #warning  NDR character representation conversions not implemented yet!
 175 #define __NDR_convert__char_rep__char(v,f)      __NDR_convert__NOOP
 176 #define __NDR_convert__char_rep__string(v,f,l)  __NDR_convert__NOOP
 177
 178 #endif /* __NDR_convert__char_rep__ */
 179
 180 #if __NDR_convert__float_rep__
 181
 182 #warning  NDR floating point representation conversions not implemented yet!
 183 #define __NDR_convert__float_rep__float(v,f)    __NDR_convert__NOOP
 184 #define __NDR_convert__float_rep__double(v,f)   __NDR_convert__NOOP
 185
 186 #endif /* __NDR_convert__float_rep__ */
 187
 188 #endif /* __NDR_convert__ */
 189
 190 #endif /* _MACH_NDR_H_ */