comparison src/m/ns16000.h @ 0:376386a54a3c r19-14

Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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-1:000000000000 0:376386a54a3c
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 XEmacs; 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 /* Synched up with: FSF 19.31. */
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 /* Say this machine is a 16000 */
34
35 #define ns16000 1
36
37 /* Data type of load average, as read out of kmem. */
38
39 #ifndef USG
40 #define LOAD_AVE_TYPE double
41 #endif
42
43 /* Convert that into an integer that is 100 for a load average of 1.0 */
44
45 #ifndef USG
46 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
47 #endif
48
49 #ifdef USG
50
51 /* Control assembler syntax used in alloca.s. */
52 #define NS5
53
54 /* On early NS systems ulimit was buggy. If set emacs uses this value
55 * for the maximum sbrk value instead of getting it from ulimit.
56 */
57 #define ULIMIT_BREAK_VALUE 0x7E0000
58
59 /* Early NS compilers have this bug. I believe it has been fixed in later
60 * releases.
61 */
62 #define SHORT_CAST_BUG
63
64 #define SEGMENT_MASK (NBPS - 1)
65
66 /* Variables to get crt0.c to come out correctly */
67 #define CRT0_DUMMIES bogus_fp,
68 #define DOT_GLOBAL_START
69
70 /* Set this to /bin/mail unless you have a better mail posting program */
71 #define MAIL_PROGRAM_NAME "/usr/local/bin/remail"
72
73 /* This avoids problems with uninitialized static variables going in .data. */
74 #define NO_REMAP
75
76 #endif /* USG */