src/m/ns16000.h

   1 /* machine description file for ns16000.
   2    Copyright (C) 1985, 2002, 2003, 2004, 2005,
   3                  2006 Free Software Foundation, Inc.
   4
   5 This file is part of GNU Emacs.
   6
   7 GNU Emacs is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU Emacs is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU Emacs; see the file COPYING.  If not, write to
  19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  20 Boston, MA 02110-1301, USA.  */
  21
  22
  23 /* The following line tells the configuration script what sort of
  24    operating system this machine is likely to run.
  25    USUAL-OPSYS="note"
  26
  27 NOTE-START
  28 For the Encore, use `-opsystem=umax'.
  29 For a Tektronix 16000 box (a 6130, perhaps?), use `-opsystem=bsd4-2'.
  30 Use `-machine=ns16000' for both.
  31 NOTE-END  */
  32
  33 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  34    is the most significant byte.  */
  35
  36 #undef WORDS_BIG_ENDIAN
  37
  38 /* Say this machine is a 16000 */
  39
  40 #define ns16000 1
  41
  42 /* Use type int rather than a union, to represent Lisp_Object */
  43
  44 #define NO_UNION_TYPE
  45
  46 /* Data type of load average, as read out of kmem.  */
  47
  48 #ifndef USG
  49 #define LOAD_AVE_TYPE double
  50 #endif
  51
  52 /* Convert that into an integer that is 100 for a load average of 1.0  */
  53
  54 #ifndef USG
  55 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
  56 #endif
  57 \f
  58 #ifdef USG
  59
  60 /* Control assembler syntax used in alloca.s.  */
  61 #define NS5
  62
  63 /* On early NS systems ulimit was buggy. If set emacs uses this value
  64  * for the maximum sbrk value instead of getting it from ulimit.
  65  */
  66 #define ULIMIT_BREAK_VALUE 0x7E0000
  67
  68 /* Early NS compilers have this bug. I believe it has been fixed in later
  69  * releases.
  70  */
  71 #define SHORT_CAST_BUG
  72
  73 #define SEGMENT_MASK (NBPS - 1)
  74
  75 /* Variables to get crt0.c to come out correctly */
  76 #define CRT0_DUMMIES bogus_fp,
  77 #define DOT_GLOBAL_START
  78
  79 /* Control how emacsclient communicates.  */
  80 #define HAVE_SYSVIPC
  81
  82 /* Set this to /bin/mail unless you have a better mail posting program */
  83 #define MAIL_PROGRAM_NAME "/usr/local/bin/remail"
  84
  85 /* Tell sysdep.c not to define bzero, etc.  */
  86 #undef BSTRING
  87 #define BSTRING
  88
  89 /* This avoids problems with uninitialized static variables going in .data.  */
  90 #define static
  91
  92 #endif /* USG */
  93
  94 /* arch-tag: 4210db3c-e35c-4b96-9399-1dbde3e00a57
  95    (do not change this comment) */