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      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 #  define LONG64				/* 32/64-bit architecture */
     68 # endif
     69 
     70 /*
     71  * Stuff to handle large architecture machines; the constants were generated
     72  * on a 32-bit machine and must correspond to the protocol.
     73  */
     74 # ifdef WORD64
     75 #  define MUSTCOPY
     76 # endif /* WORD64 */
     77 
     78 
     79 /*
     80  * Definition of macro used to set constants for size of network structures;
     81  * machines with preprocessors that can't handle all of the sz_ symbols
     82  * can define this macro to be sizeof(x) if and only if their compiler doesn't
     83  * pad out structures (esp. the xTextElt structure which contains only two
     84  * one-byte fields).  Network structures should always define sz_symbols.
     85  *
     86  * The sz_ prefix is used instead of something more descriptive so that the
     87  * symbols are no more than 32 characters long (which causes problems for some
     88  * compilers and preprocessors).
     89  *
     90  * The extra indirection is to get macro arguments to expand correctly before
     91  * the concatenation, rather than afterward.
     92  */
     93 # define _SIZEOF(x) sz_##x
     94 # define SIZEOF(x) _SIZEOF(x)
     95 
     96 /*
     97  * Bitfield suffixes for the protocol structure elements, if you
     98  * need them.  Note that bitfields are not guaranteed to be signed
     99  * (or even unsigned) according to ANSI C.
    100  */
    101 # ifdef WORD64
    102 typedef long INT64;
    103 typedef unsigned long CARD64;
    104 #  define B32 :32
    105 #  define B16 :16
    106 #  ifdef UNSIGNEDBITFIELDS
    107 typedef unsigned int INT32;
    108 typedef unsigned int INT16;
    109 #  else
    110 typedef signed int INT32;
    111 typedef signed int INT16;
    112 #  endif
    113 # else
    114 #  define B32
    115 #  define B16
    116 #  ifdef LONG64
    117 typedef long INT64;
    118 typedef int INT32;
    119 #  else
    120 typedef long INT32;
    121 #  endif
    122 typedef short INT16;
    123 # endif
    124 
    125 typedef signed char    INT8;
    126 
    127 # ifdef LONG64
    128 typedef unsigned long CARD64;
    129 typedef unsigned int CARD32;
    130 # else
    131 typedef unsigned long CARD32;
    132 # endif
    133 # if !defined(WORD64) && !defined(LONG64)
    134 typedef unsigned long long CARD64;
    135 # endif
    136 typedef unsigned short CARD16;
    137 typedef unsigned char  CARD8;
    138 
    139 typedef CARD32		BITS32;
    140 typedef CARD16		BITS16;
    141 
    142 typedef CARD8		BYTE;
    143 typedef CARD8		BOOL;
    144 
    145 /*
    146  * definitions for sign-extending bitfields on 64-bit architectures
    147  */
    148 # if defined(WORD64) && defined(UNSIGNEDBITFIELDS)
    149 #  define cvtINT8toInt(val)   (((val) & 0x00000080) ? ((val) | 0xffffffffffffff00) : (val))
    150 #  define cvtINT16toInt(val)  (((val) & 0x00008000) ? ((val) | 0xffffffffffff0000) : (val))
    151 #  define cvtINT32toInt(val)  (((val) & 0x80000000) ? ((val) | 0xffffffff00000000) : (val))
    152 #  define cvtINT8toShort(val)  cvtINT8toInt(val)
    153 #  define cvtINT16toShort(val) cvtINT16toInt(val)
    154 #  define cvtINT32toShort(val) cvtINT32toInt(val)
    155 #  define cvtINT8toLong(val)  cvtINT8toInt(val)
    156 #  define cvtINT16toLong(val) cvtINT16toInt(val)
    157 #  define cvtINT32toLong(val) cvtINT32toInt(val)
    158 # else
    159 #  define cvtINT8toInt(val) (val)
    160 #  define cvtINT16toInt(val) (val)
    161 #  define cvtINT32toInt(val) (val)
    162 #  define cvtINT8toShort(val) (val)
    163 #  define cvtINT16toShort(val) (val)
    164 #  define cvtINT32toShort(val) (val)
    165 #  define cvtINT8toLong(val) (val)
    166 #  define cvtINT16toLong(val) (val)
    167 #  define cvtINT32toLong(val) (val)
    168 # endif /* WORD64 and UNSIGNEDBITFIELDS */
    169 
    170 
    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