src/m/orion.h

   1 /* machine description file for HLH Orion.
   2    Copyright (C) 1985 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, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21
  22 /* The following line tells the configuration script what sort of
  23    operating system this machine is likely to run.
  24    USUAL-OPSYS="bsd4-2"  */
  25
  26 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  27    is the most significant byte.  */
  28
  29 #undef WORDS_BIG_ENDIAN
  30
  31 /* Now define a symbol for the cpu type, if your compiler
  32    does not define it automatically.  */
  33
  34 #ifndef orion
  35 #define orion
  36 #endif
  37
  38 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
  39  * group of arguments and treat it as an array of the arguments.  */
  40
  41 #define NO_ARG_ARRAY
  42
  43 /* Define WORD_MACHINE if addresses and such have
  44  * to be corrected before they can be used as byte counts.  */
  45
  46 #define WORD_MACHINE
  47
  48 /* Use type int rather than a union, to represent Lisp_Object */
  49 /* This is desirable for most machines.  */
  50
  51 #define NO_UNION_TYPE
  52
  53 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend */
  54
  55 #define EXPLICIT_SIGN_EXTEND
  56
  57 /* Data type of load average, as read out of kmem.  */
  58
  59 #define LOAD_AVE_TYPE double
  60
  61 /* Convert that into an integer that is 100 for a load average of 1.0  */
  62
  63 #ifndef FSCALE
  64 #define FSCALE 1.0
  65 #endif
  66 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
  67
  68 /* It is necessary to use the portable imitation of alloca,
  69    since a true stack-allocating one is impossible.  */
  70
  71 #define C_ALLOCA