osfmk/mach/ndr.h

   1 /*
   2  * Copyright (c) 2000-2005 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 #include <sys/cdefs.h>
  31
  32 typedef struct {
  33     unsigned char       mig_vers;
  34     unsigned char       if_vers;
  35     unsigned char       reserved1;
  36     unsigned char       mig_encoding;
  37     unsigned char       int_rep;
  38     unsigned char       char_rep;
  39     unsigned char       float_rep;
  40     unsigned char       reserved2;
  41 } NDR_record_t;
  42
  43 /*
  44  * MIG supported protocols for Network Data Representation
  45  */
  46 #define  NDR_PROTOCOL_2_0      0
  47
  48 /*
  49  * NDR 2.0 format flag type definition and values.
  50  */
  51 #define  NDR_INT_BIG_ENDIAN    0
  52 #define  NDR_INT_LITTLE_ENDIAN 1
  53 #define  NDR_FLOAT_IEEE        0
  54 #define  NDR_FLOAT_VAX         1
  55 #define  NDR_FLOAT_CRAY        2
  56 #define  NDR_FLOAT_IBM         3
  57 #define  NDR_CHAR_ASCII        0
  58 #define  NDR_CHAR_EBCDIC       1
  59
  60 extern NDR_record_t NDR_record;
  61
  62 #ifndef __NDR_convert__
  63 #define __NDR_convert__ 1
  64 #endif /* __NDR_convert__ */
  65
  66 #ifndef __NDR_convert__int_rep__
  67 #define __NDR_convert__int_rep__ 1
  68 #endif /* __NDR_convert__int_rep__ */
  69
  70 #ifndef __NDR_convert__char_rep__
  71 #define __NDR_convert__char_rep__ 0
  72 #endif /* __NDR_convert__char_rep__ */
  73
  74 #ifndef __NDR_convert__float_rep__
  75 #define __NDR_convert__float_rep__ 0
  76 #endif /* __NDR_convert__float_rep__ */
  77
  78 #if __NDR_convert__
  79
  80 #define __NDR_convert__NOOP             do ; while (0)
  81 #define __NDR_convert__UNKNOWN(s)       __NDR_convert__NOOP
  82 #define __NDR_convert__SINGLE(a, f, r)  do { r((a), (f)); } while (0)
  83 #define __NDR_convert__ARRAY(a, f, c, r) \
  84         do { int __i__, __C__ = (c); \
  85         for (__i__ = 0; __i__ < __C__; __i__++) \
  86         r(&(a)[__i__], f); } while (0)
  87 #define __NDR_convert__2DARRAY(a, f, s, c, r) \
  88         do { int __i__, __C__ = (c), __S__ = (s); \
  89         for (__i__ = 0; __i__ < __C__; __i__++) \
  90         r(&(a)[__i__ * __S__], f, __S__); } while (0)
  91
  92 #if __NDR_convert__int_rep__
  93
  94 #include <libkern/OSByteOrder.h>
  95
  96 #define __NDR_READSWAP_assign(a, rs)    do { *(a) = rs(a); } while (0)
  97
  98 #define __NDR_READSWAP__uint16_t(a)     OSReadSwapInt16((void *)a, 0)
  99 #define __NDR_READSWAP__int16_t(a)      (int16_t)OSReadSwapInt16((void *)a, 0)
 100 #define __NDR_READSWAP__uint32_t(a)     OSReadSwapInt32((void *)a, 0)
 101 #define __NDR_READSWAP__int32_t(a)      (int32_t)OSReadSwapInt32((void *)a, 0)
 102 #define __NDR_READSWAP__uint64_t(a)     OSReadSwapInt64((void *)a, 0)
 103 #define __NDR_READSWAP__int64_t(a)      (int64_t)OSReadSwapInt64((void *)a, 0)
 104
 105 __BEGIN_DECLS
 106
 107 static __inline__ float __NDR_READSWAP__float(float *argp) {
 108         union {
 109                 float sv;
 110                 uint32_t ull;
 111         } result;
 112         result.ull = __NDR_READSWAP__uint32_t((uint32_t *)argp);
 113         return result.sv;
 114 }
 115
 116 static __inline__ double __NDR_READSWAP__double(double *argp) {
 117         union {
 118                 double sv;
 119                 uint64_t ull;
 120         } result;
 121         result.ull = __NDR_READSWAP__uint64_t((uint64_t *)argp);
 122         return result.sv;
 123 }
 124
 125 __END_DECLS
 126
 127 #define __NDR_convert__int_rep__int16_t__defined
 128 #define __NDR_convert__int_rep__int16_t(v,f)            \
 129         __NDR_READSWAP_assign(v, __NDR_READSWAP__int16_t)
 130
 131 #define __NDR_convert__int_rep__uint16_t__defined
 132 #define __NDR_convert__int_rep__uint16_t(v,f)           \
 133         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint16_t)
 134
 135 #define __NDR_convert__int_rep__int32_t__defined
 136 #define __NDR_convert__int_rep__int32_t(v,f)            \
 137         __NDR_READSWAP_assign(v, __NDR_READSWAP__int32_t)
 138
 139 #define __NDR_convert__int_rep__uint32_t__defined
 140 #define __NDR_convert__int_rep__uint32_t(v,f)           \
 141         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint32_t)
 142
 143 #define __NDR_convert__int_rep__int64_t__defined
 144 #define __NDR_convert__int_rep__int64_t(v,f)            \
 145         __NDR_READSWAP_assign(v, __NDR_READSWAP__int64_t)
 146
 147 #define __NDR_convert__int_rep__uint64_t__defined
 148 #define __NDR_convert__int_rep__uint64_t(v,f)           \
 149         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint64_t)
 150
 151 #define __NDR_convert__int_rep__float__defined
 152 #define __NDR_convert__int_rep__float(v,f)              \
 153         __NDR_READSWAP_assign(v, __NDR_READSWAP__float)
 154
 155 #define __NDR_convert__int_rep__double__defined
 156 #define __NDR_convert__int_rep__double(v,f)             \
 157         __NDR_READSWAP_assign(v, __NDR_READSWAP__double)
 158
 159 #define __NDR_convert__int_rep__boolean_t__defined
 160 #define __NDR_convert__int_rep__boolean_t(v, f)         \
 161         __NDR_convert__int_rep__int32_t(v,f)
 162
 163 #define __NDR_convert__int_rep__kern_return_t__defined
 164 #define __NDR_convert__int_rep__kern_return_t(v,f)      \
 165         __NDR_convert__int_rep__int32_t(v,f)
 166
 167 #define __NDR_convert__int_rep__mach_port_name_t__defined
 168 #define __NDR_convert__int_rep__mach_port_name_t(v,f)   \
 169         __NDR_convert__int_rep__uint32_t(v,f)
 170
 171 #define __NDR_convert__int_rep__mach_msg_type_number_t__defined
 172 #define __NDR_convert__int_rep__mach_msg_type_number_t(v,f) \
 173         __NDR_convert__int_rep__uint32_t(v,f)
 174
 175 #endif /* __NDR_convert__int_rep__ */
 176
 177 #if __NDR_convert__char_rep__
 178
 179 #warning  NDR character representation conversions not implemented yet!
 180 #define __NDR_convert__char_rep__char(v,f)      __NDR_convert__NOOP
 181 #define __NDR_convert__char_rep__string(v,f,l)  __NDR_convert__NOOP
 182
 183 #endif /* __NDR_convert__char_rep__ */
 184
 185 #if __NDR_convert__float_rep__
 186
 187 #warning  NDR floating point representation conversions not implemented yet!
 188 #define __NDR_convert__float_rep__float(v,f)    __NDR_convert__NOOP
 189 #define __NDR_convert__float_rep__double(v,f)   __NDR_convert__NOOP
 190
 191 #endif /* __NDR_convert__float_rep__ */
 192
 193 #endif /* __NDR_convert__ */
 194
 195 #endif /* _MACH_NDR_H_ */