1 /* machine description file for AT&T UNIX PC model 7300
2 Copyright (C) 1986 Free Software Foundation, Inc.
3 Modified for this machine by mtxinu!rtech!gonzo!daveb
5 This file is part of GNU Emacs.
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)
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.
17 You should have received a copy of the GNU General Public License
18 along with XEmacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Synched up with: FSF 19.31. */
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" */
28 /* Now define a symbol for the cpu type, if your compiler
29 does not define it automatically:
30 vax, m68000, ns16000 are the ones defined so far. */
39 /* Cause crt0.c to define errno. */
43 /* Data type of load average, as read out of kmem. */
44 /* These are commented out since it is not supported by this machine. */
46 /* #define LOAD_AVE_TYPE long */
48 /* Convert that into an integer that is 100 for a load average of 1.0 */
50 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
58 #define SWITCH_ENUM_BUG
60 #define STACK_DIRECTION -1
64 /* If you have the PD pty driver installed, uncomment the following line. */
65 /* #define HAVE_PTYS */
67 /* We don't have memmove. */
68 #define memmove(d, s, n) safe_bcopy (s, d, n)
70 /* These three lines were new in 18.50. They were said to permit
71 a demand-paged executable, but someone else says they don't work.
72 Someone else says they do. They didn't work because errno was an
73 initialized variable in crt0.c, and because of %splimit (also therein),
74 both of which have been fixed now. */
75 #define SECTION_ALIGNMENT 0x03ff
76 #define SEGMENT_MASK 0xffff
77 #define LD_SWITCH_MACHINE "-z"
79 /* Insist on using cc when compiling this. GCC may have been
80 configured to use GAS syntax, which causes problems. */
81 #define CRT0_COMPILE "cc -c -O -Demacs"