code.delx.au - gnu-emacs/blob - src/m/7300.h

   1 /* machine description file for AT&T UNIX PC model 7300
   2    Copyright (C) 1986, 2002, 2003, 2004, 2005,
   3                  2006 Free Software Foundation, Inc.
   4    Modified for this machine by mtxinu!rtech!gonzo!daveb
   5
   6 This file is part of GNU Emacs.
   7
   8 GNU Emacs is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GNU Emacs is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GNU Emacs; see the file COPYING.  If not, write to
  20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 Boston, MA 02110-1301, USA.  */
  22
  23
  24 /* The following line tells the configuration script what sort of
  25    operating system this machine is likely to run.
  26    USUAL-OPSYS="usg5-2-2"  */
  27
  28 /* Supposedly now these machines have flexnames.
  29
  30 /* # define SHORTNAMES */
  31
  32
  33 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
  34    is the most significant byte.  */
  35
  36 #define WORDS_BIG_ENDIAN
  37
  38 /* XINT must explicitly sign-extend */
  39
  40 #define EXPLICIT_SIGN_EXTEND
  41
  42 /* Use type int rather than a union, to represent Lisp_Object */
  43
  44 #define NO_UNION_TYPE
  45
  46 /* Now define a symbol for the cpu type, if your compiler
  47    does not define it automatically:
  48    vax, m68000, ns16000 are the ones defined so far.  */
  49
  50 # ifndef mc68k
  51 # define mc68k
  52 # endif
  53 #ifndef m68k
  54 #define m68k
  55 #endif
  56
  57 /* Cause crt0.c to define errno.  */
  58
  59 #define NEED_ERRNO
  60
  61 /* Data type of load average, as read out of kmem.  */
  62 /* These are commented out since it is not supported by this machine.  */
  63
  64 /* #define LOAD_AVE_TYPE long */
  65
  66 /* Convert that into an integer that is 100 for a load average of 1.0  */
  67
  68 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
  69
  70 #ifndef __GNUC__
  71
  72 #define SWITCH_ENUM_BUG
  73
  74 #endif
  75
  76 /* If you have the PD pty driver installed, uncomment the following line.  */
  77 /* #define HAVE_PTYS */
  78
  79 #define HAVE_SYSVIPC
  80
  81 /* We don't have memmove.  */
  82 #define memmove(d, s, n) safe_bcopy (s, d, n)
  83
  84 /* These three lines were new in 18.50.  They were said to permit
  85    a demand-paged executable, but someone else says they don't work.
  86    Someone else says they do.  They didn't work because errno was an
  87    initialized variable in crt0.c, and because of %splimit (also therein),
  88    both of which have been fixed now. */
  89 #define SECTION_ALIGNMENT 0x03ff
  90 #define SEGMENT_MASK 0xffff
  91 #define LD_SWITCH_MACHINE -z
  92
  93 /* Insist on using cc when compiling this.  GCC may have been
  94    configured to use GAS syntax, which causes problems.  */
  95 #define CRT0_COMPILE cc -c -O -Demacs
  96
  97 /* arch-tag: 66219dc7-ef45-4f0c-bb98-f35421f39c8d
  98    (do not change this comment) */