src/m/ns16000.h

   1 /* machine description file for ns16000.
   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="note"
  25
  26 NOTE-START
  27 For the Encore, use `-opsystem=umax'.
  28 For a Tektronix 16000 box (a 6130, perhaps?), use `-opsystem=bsd4-2'.
  29 Use `-machine=ns16000' for both.
  30 NOTE-END  */
  31
  32 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  33    is the most significant byte.  */
  34
  35 #undef WORDS_BIG_ENDIAN
  36
  37 /* Say this machine is a 16000 */
  38
  39 #define ns16000 1
  40
  41 /* Use type int rather than a union, to represent Lisp_Object */
  42
  43 #define NO_UNION_TYPE
  44
  45 /* Data type of load average, as read out of kmem.  */
  46
  47 #ifndef USG
  48 #define LOAD_AVE_TYPE double
  49 #endif
  50
  51 /* Convert that into an integer that is 100 for a load average of 1.0  */
  52
  53 #ifndef USG
  54 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
  55 #endif
  56 \f
  57 #ifdef USG
  58
  59 /* Control assembler syntax used in alloca.s.  */
  60 #define NS5
  61
  62 /* On early NS systems ulimit was buggy. If set emacs uses this value
  63  * for the maximum sbrk value instead of getting it from ulimit.
  64  */
  65 #define ULIMIT_BREAK_VALUE 0x7E0000
  66
  67 /* Early NS compilers have this bug. I believe it has been fixed in later
  68  * releases.
  69  */
  70 #define SHORT_CAST_BUG
  71
  72 #define SEGMENT_MASK (NBPS - 1)
  73
  74 /* Variables to get crt0.c to come out correctly */
  75 #define CRT0_DUMMIES bogus_fp,
  76 #define DOT_GLOBAL_START
  77
  78 /* Control how emacsclient communicates.  */
  79 #define HAVE_SYSVIPC
  80
  81 /* Set this to /bin/mail unless you have a better mail posting program */
  82 #define MAIL_PROGRAM_NAME "/usr/local/bin/remail"
  83
  84 /* Tell sysdep.c not to define bzero, etc.  */
  85 #undef BSTRING
  86 #define BSTRING
  87
  88 /* Macro definitions to emulate BSD functions with SysV ones */
  89 #undef bcopy
  90 #undef bzero
  91 #undef bcmp
  92
  93 #define bcopy(a,b,s)    memcpy(b,a,s)
  94 #define bzero(a,s)      memset(a,0,s)
  95 #define bcmp            memcmp
  96
  97 /* This avoids problems with uninitialized static variables going in .data.  */
  98 #define static
  99
 100 #endif /* USG */