1 /***********************************************************
2 
3 Copyright 1987, 1998  The Open Group
4 
5 Permission to use, copy, modify, distribute, and sell this software and its
6 documentation for any purpose is hereby granted without fee, provided that
7 the above copyright notice appear in all copies and that both that
8 copyright notice and this permission notice appear in supporting
9 documentation.
10 
11 The above copyright notice and this permission notice shall be included in
12 all copies or substantial portions of the Software.
13 
14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20 
21 Except as contained in this notice, the name of The Open Group shall not be
22 used in advertising or otherwise to promote the sale, use or other dealings
23 in this Software without prior written authorization from The Open Group.
24 
25 
26 Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
27 
28                         All Rights Reserved
29 
30 Permission to use, copy, modify, and distribute this software and its
31 documentation for any purpose and without fee is hereby granted,
32 provided that the above copyright notice appear in all copies and that
33 both that copyright notice and this permission notice appear in
34 supporting documentation, and that the name of Digital not be
35 used in advertising or publicity pertaining to distribution of the
36 software without specific, written prior permission.
37 
38 DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
39 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
40 DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
41 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
44 SOFTWARE.
45 
46 ******************************************************************/
47 #ifndef XMD_H
48 #define XMD_H 1
49 /*
50  *  Xmd.h: MACHINE DEPENDENT DECLARATIONS.
51  */
52 
53 /*
54  * Special per-machine configuration flags.
55  */
56 #if defined(__sun) && defined(__SVR4)
57 #include <sys/isa_defs.h> /* Solaris: defines _LP64 if necessary */
58 #endif
59 
60 #if defined(_LP64) || defined(__LP64__) ||    \
61 	defined(__alpha) || defined(__alpha__) || \
62 	defined(__ia64__) || defined(ia64) ||     \
63 	defined(__sparc64__) ||                   \
64 	defined(__s390x__) ||                     \
65 	defined(__amd64__) || defined(amd64) ||   \
66 	defined(__powerpc64__) ||                 \
67 	defined(__e2k__)
68 #if !defined(__ILP32__) /* amd64-x32 is 32bit */
69 #define LONG64          /* 32/64-bit architecture */
70 #endif                  /* !__ILP32__ */
71 #endif
72 
73 /*
74  * Stuff to handle large architecture machines; the constants were generated
75  * on a 32-bit machine and must correspond to the protocol.
76  */
77 #ifdef WORD64
78 #define MUSTCOPY
79 #endif /* WORD64 */
80 
81 /*
82  * Definition of macro used to set constants for size of network structures;
83  * machines with preprocessors that can't handle all of the sz_ symbols
84  * can define this macro to be sizeof(x) if and only if their compiler doesn't
85  * pad out structures (esp. the xTextElt structure which contains only two
86  * one-byte fields).  Network structures should always define sz_symbols.
87  *
88  * The sz_ prefix is used instead of something more descriptive so that the
89  * symbols are no more than 32 characters long (which causes problems for some
90  * compilers and preprocessors).
91  *
92  * The extra indirection is to get macro arguments to expand correctly before
93  * the concatenation, rather than afterward.
94  */
95 #define _SIZEOF(x) sz_##x
96 #define SIZEOF(x) _SIZEOF(x)
97 
98 /*
99  * Bitfield suffixes for the protocol structure elements, if you
100  * need them.  Note that bitfields are not guaranteed to be signed
101  * (or even unsigned) according to ANSI C.
102  */
103 #ifdef WORD64
104 typedef long INT64;
105 typedef unsigned long CARD64;
106 #define B32 :32
107 #define B16 :16
108 #ifdef UNSIGNEDBITFIELDS
109 typedef unsigned int INT32;
110 typedef unsigned int INT16;
111 #else
112 typedef signed int INT32;
113 typedef signed int INT16;
114 #endif
115 #else
116 #define B32
117 #define B16
118 #ifdef LONG64
119 typedef long INT64;
120 typedef int INT32;
121 #else
122 typedef long INT32;
123 #endif
124 typedef short INT16;
125 #endif
126 
127 typedef signed char INT8;
128 
129 #ifdef LONG64
130 typedef unsigned long CARD64;
131 typedef unsigned int CARD32;
132 #else
133 typedef unsigned long CARD32;
134 #endif
135 #if !defined(WORD64) && !defined(LONG64)
136 typedef unsigned long long CARD64;
137 #endif
138 typedef unsigned short CARD16;
139 typedef unsigned char CARD8;
140 
141 typedef CARD32 BITS32;
142 typedef CARD16 BITS16;
143 
144 typedef CARD8 BYTE;
145 typedef CARD8 BOOL;
146 
147 /*
148  * definitions for sign-extending bitfields on 64-bit architectures
149  */
150 #if defined(WORD64) && defined(UNSIGNEDBITFIELDS)
151 #define cvtINT8toInt(val) (((val)&0x00000080) ? ((val) | 0xffffffffffffff00) : (val))
152 #define cvtINT16toInt(val) (((val)&0x00008000) ? ((val) | 0xffffffffffff0000) : (val))
153 #define cvtINT32toInt(val) (((val)&0x80000000) ? ((val) | 0xffffffff00000000) : (val))
154 #define cvtINT8toShort(val) cvtINT8toInt(val)
155 #define cvtINT16toShort(val) cvtINT16toInt(val)
156 #define cvtINT32toShort(val) cvtINT32toInt(val)
157 #define cvtINT8toLong(val) cvtINT8toInt(val)
158 #define cvtINT16toLong(val) cvtINT16toInt(val)
159 #define cvtINT32toLong(val) cvtINT32toInt(val)
160 #else
161 #define cvtINT8toInt(val) (val)
162 #define cvtINT16toInt(val) (val)
163 #define cvtINT32toInt(val) (val)
164 #define cvtINT8toShort(val) (val)
165 #define cvtINT16toShort(val) (val)
166 #define cvtINT32toShort(val) (val)
167 #define cvtINT8toLong(val) (val)
168 #define cvtINT16toLong(val) (val)
169 #define cvtINT32toLong(val) (val)
170 #endif /* WORD64 and UNSIGNEDBITFIELDS */
171 
172 #ifdef MUSTCOPY
173 /*
174  * This macro must not cast or else pointers will get aligned and be wrong
175  */
176 #define NEXTPTR(p, t) (((char *)p) + SIZEOF(t))
177 #else /* else not MUSTCOPY, this is used for 32-bit machines */
178 /*
179  * this version should leave result of type (t *), but that should only be
180  * used when not in MUSTCOPY
181  */
182 #define NEXTPTR(p, t) (((t *)(p)) + 1)
183 #endif /* MUSTCOPY - used machines whose C structs don't line up with proto */
184 
185 #endif /* XMD_H */
186