src/m/sps7.h

   1 /* machine description file for Bull SPS-7.
   2    Copyright (C) 1986 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Emacs.
   5
   6 GNU Emacs is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Emacs is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Emacs; see the file COPYING.  If not, write to
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 /* The following line tells the configuration script what sort of
  22    operating system this machine is likely to run.
  23    USUAL-OPSYS="usg5-2"  */
  24
  25 /* The following three symbols give information on
  26  the size of various data types.  */
  27
  28 #define SHORTBITS 16            /* Number of bits in a short */
  29
  30 #define INTBITS 32              /* Number of bits in an int */
  31
  32 #define LONGBITS 32             /* Number of bits in a long */
  33
  34 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  35    is the most significant byte.  */
  36
  37 #define WORDS_BIG_ENDIAN
  38
  39 /* Say this machine is a 68000 */
  40
  41 #ifndef m68000
  42 #define m68000
  43 #endif
  44
  45 #define sps7
  46
  47 /* Use type int rather than a union, to represent Lisp_Object */
  48
  49 #define NO_UNION_TYPE
  50
  51 /* XINT must explicitly sign-extend */
  52
  53 #define EXPLICIT_SIGN_EXTEND
  54
  55 /* Data type of load average, as read out of kmem.  */
  56 /* Suspect there is something weird about this machine, so turn it off.  */
  57
  58 /* #define LOAD_AVE_TYPE long */
  59
  60 /* Convert that into an integer that is 100 for a load average of 1.0  */
  61
  62 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
  63 \f
  64 #define SMX
  65 #define V3x
  66
  67 /*
  68  *      Define HAVE_PTYS if the system supports pty devices.
  69  */
  70
  71 #define HAVE_PTYS
  72
  73 /* Define HAVE_SOCKETS if system supports 4.2-compatible sockets.  */
  74
  75 #define HAVE_SOCKETS
  76
  77 /*      Have the socketpair call
  78 */
  79
  80 #define SKTPAIR
  81
  82 /* Define CLASH_DETECTION if you want lock files to be written
  83    so that Emacs can tell instantly when you try to modify
  84    a file that someone else has modified in his Emacs.  */
  85
  86 #define CLASH_DETECTION
  87
  88 /* Use Berkeley style interface to nlist */
  89
  90 #define NLIST_STRUCT
  91
  92 /* Define this to cause -N to be passed to ld.  This is needed
  93  *  in uniplus because of its funny memory space layout.
  94  * SMX--If you are using 32 bit (COFF) use "-N", else don't use anything.
  95  */
  96
  97 #define LD_SWITCH_MACHINE -N -T32 -e __start
  98
  99 /* If you are compiling for a 68020, then use -lc32 else use -lc */
 100
 101 #define LIB_STANDARD -lc32
 102
 103 /* Fore 16 bit, -linet, for 32 bit -linet32 (be sure you have it!). */
 104
 105 #define LIBS_MACHINE -linet32
 106
 107 /* Use -T32 for 68020, -T16 otherwise */
 108
 109 #define C_SWITCH_MACHINE -T32
 110
 111 /*
 112    Here we assume that signal.h is included before config.h
 113    so that we can override it here.  */
 114
 115 #undef SIGIO
 116
 117 /* Other than 68020 use ld16, as32, or undefine (defaults ld and as). */
 118
 119 #define ASS as32
 120
 121 #ifdef V3x
 122 #define EXEC_MAGIC 0x10b
 123 #define SEGMENT_MASK (NBPS-1)
 124 #define ADJUST_EXEC_HEADER f_hdr.f_magic = SMROMAGIC;\
 125  f_ohdr.stsize = 0;
 126 #endif