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 #include <libkern/OSByteOrder.h>
  38
  39
  40 typedef struct {
  41         unsigned char       mig_vers;
  42         unsigned char       if_vers;
  43         unsigned char       reserved1;
  44         unsigned char       mig_encoding;
  45         unsigned char       int_rep;
  46         unsigned char       char_rep;
  47         unsigned char       float_rep;
  48         unsigned char       reserved2;
  49 } NDR_record_t;
  50
  51 /*
  52  * MIG supported protocols for Network Data Representation
  53  */
  54 #define  NDR_PROTOCOL_2_0      0
  55
  56 /*
  57  * NDR 2.0 format flag type definition and values.
  58  */
  59 #define  NDR_INT_BIG_ENDIAN    0
  60 #define  NDR_INT_LITTLE_ENDIAN 1
  61 #define  NDR_FLOAT_IEEE        0
  62 #define  NDR_FLOAT_VAX         1
  63 #define  NDR_FLOAT_CRAY        2
  64 #define  NDR_FLOAT_IBM         3
  65 #define  NDR_CHAR_ASCII        0
  66 #define  NDR_CHAR_EBCDIC       1
  67
  68 extern NDR_record_t NDR_record;
  69
  70 /* NDR conversion off by default */
  71
  72 #if !defined(__NDR_convert__)
  73 #define __NDR_convert__ 0
  74 #endif /* !defined(__NDR_convert__) */
  75
  76 #ifndef __NDR_convert__int_rep__
  77 #define __NDR_convert__int_rep__ __NDR_convert__
  78 #endif /* __NDR_convert__int_rep__ */
  79
  80 #ifndef __NDR_convert__char_rep__
  81 #define __NDR_convert__char_rep__ 0
  82 #endif /* __NDR_convert__char_rep__ */
  83
  84 #ifndef __NDR_convert__float_rep__
  85 #define __NDR_convert__float_rep__ 0
  86 #endif /* __NDR_convert__float_rep__ */
  87
  88 #if __NDR_convert__
  89
  90 #define __NDR_convert__NOOP             do ; while (0)
  91 #define __NDR_convert__UNKNOWN(s)       __NDR_convert__NOOP
  92 #define __NDR_convert__SINGLE(a, f, r)  do { r((a), (f)); } while (0)
  93 #define __NDR_convert__ARRAY(a, f, c, r) \
  94         do { int __i__, __C__ = (c); \
  95         for (__i__ = 0; __i__ < __C__; __i__++) \
  96         r(&(a)[__i__], f); } while (0)
  97 #define __NDR_convert__2DARRAY(a, f, s, c, r) \
  98         do { int __i__, __C__ = (c), __S__ = (s); \
  99         for (__i__ = 0; __i__ < __C__; __i__++) \
 100         r(&(a)[__i__ * __S__], f, __S__); } while (0)
 101
 102 #if __NDR_convert__int_rep__
 103
 104 #define __NDR_READSWAP_assign(a, rs)    do { *(a) = rs(a); } while (0)
 105
 106 #define __NDR_READSWAP__uint16_t(a)     OSReadSwapInt16((void *)a, 0)
 107 #define __NDR_READSWAP__int16_t(a)      (int16_t)OSReadSwapInt16((void *)a, 0)
 108 #define __NDR_READSWAP__uint32_t(a)     OSReadSwapInt32((void *)a, 0)
 109 #define __NDR_READSWAP__int32_t(a)      (int32_t)OSReadSwapInt32((void *)a, 0)
 110 #define __NDR_READSWAP__uint64_t(a)     OSReadSwapInt64((void *)a, 0)
 111 #define __NDR_READSWAP__int64_t(a)      (int64_t)OSReadSwapInt64((void *)a, 0)
 112
 113 __BEGIN_DECLS
 114
 115 static __inline__ float
 116 __NDR_READSWAP__float(float *argp)
 117 {
 118         union {
 119                 float sv;
 120                 uint32_t ull;
 121         } result;
 122         result.ull = __NDR_READSWAP__uint32_t((uint32_t *)argp);
 123         return result.sv;
 124 }
 125
 126 static __inline__ double
 127 __NDR_READSWAP__double(double *argp)
 128 {
 129         union {
 130                 double sv;
 131                 uint64_t ull;
 132         } result;
 133         result.ull = __NDR_READSWAP__uint64_t((uint64_t *)argp);
 134         return result.sv;
 135 }
 136
 137 __END_DECLS
 138
 139 #define __NDR_convert__int_rep__int16_t__defined
 140 #define __NDR_convert__int_rep__int16_t(v, f)            \
 141         __NDR_READSWAP_assign(v, __NDR_READSWAP__int16_t)
 142
 143 #define __NDR_convert__int_rep__uint16_t__defined
 144 #define __NDR_convert__int_rep__uint16_t(v, f)           \
 145         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint16_t)
 146
 147 #define __NDR_convert__int_rep__int32_t__defined
 148 #define __NDR_convert__int_rep__int32_t(v, f)            \
 149         __NDR_READSWAP_assign(v, __NDR_READSWAP__int32_t)
 150
 151 #define __NDR_convert__int_rep__uint32_t__defined
 152 #define __NDR_convert__int_rep__uint32_t(v, f)           \
 153         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint32_t)
 154
 155 #define __NDR_convert__int_rep__int64_t__defined
 156 #define __NDR_convert__int_rep__int64_t(v, f)            \
 157         __NDR_READSWAP_assign(v, __NDR_READSWAP__int64_t)
 158
 159 #define __NDR_convert__int_rep__uint64_t__defined
 160 #define __NDR_convert__int_rep__uint64_t(v, f)           \
 161         __NDR_READSWAP_assign(v, __NDR_READSWAP__uint64_t)
 162
 163 #define __NDR_convert__int_rep__float__defined
 164 #define __NDR_convert__int_rep__float(v, f)              \
 165         __NDR_READSWAP_assign(v, __NDR_READSWAP__float)
 166
 167 #define __NDR_convert__int_rep__double__defined
 168 #define __NDR_convert__int_rep__double(v, f)             \
 169         __NDR_READSWAP_assign(v, __NDR_READSWAP__double)
 170
 171 #define __NDR_convert__int_rep__boolean_t__defined
 172 #define __NDR_convert__int_rep__boolean_t(v, f)         \
 173         __NDR_convert__int_rep__int32_t(v,f)
 174
 175 #define __NDR_convert__int_rep__kern_return_t__defined
 176 #define __NDR_convert__int_rep__kern_return_t(v, f)      \
 177         __NDR_convert__int_rep__int32_t(v,f)
 178
 179 #define __NDR_convert__int_rep__mach_port_name_t__defined
 180 #define __NDR_convert__int_rep__mach_port_name_t(v, f)   \
 181         __NDR_convert__int_rep__uint32_t(v,f)
 182
 183 #define __NDR_convert__int_rep__mach_msg_type_number_t__defined
 184 #define __NDR_convert__int_rep__mach_msg_type_number_t(v, f) \
 185         __NDR_convert__int_rep__uint32_t(v,f)
 186
 187 #endif /* __NDR_convert__int_rep__ */
 188
 189 #if __NDR_convert__char_rep__
 190
 191 #warning  NDR character representation conversions not implemented yet!
 192 #define __NDR_convert__char_rep__char(v, f)      __NDR_convert__NOOP
 193 #define __NDR_convert__char_rep__string(v, f, l)  __NDR_convert__NOOP
 194
 195 #endif /* __NDR_convert__char_rep__ */
 196
 197 #if __NDR_convert__float_rep__
 198
 199 #warning  NDR floating point representation conversions not implemented yet!
 200 #define __NDR_convert__float_rep__float(v, f)    __NDR_convert__NOOP
 201 #define __NDR_convert__float_rep__double(v, f)   __NDR_convert__NOOP
 202
 203 #endif /* __NDR_convert__float_rep__ */
 204
 205 #endif /* __NDR_convert__ */
 206
 207 #endif /* _MACH_NDR_H_ */