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comparison src/m/7300.h @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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children abe6d1db359e
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427:0a0253eac470 428:3ecd8885ac67
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
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 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. */
21
22 /* Synched up with: FSF 19.31. */
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 /* XINT must explicitly sign-extend */
29
30 #define EXPLICIT_SIGN_EXTEND
31
32 /* Now define a symbol for the cpu type, if your compiler
33 does not define it automatically:
34 vax, m68000, ns16000 are the ones defined so far. */
35
36 # ifndef mc68k
37 # define mc68k
38 # endif
39 #ifndef m68k
40 #define m68k
41 #endif
42
43 /* Cause crt0.c to define errno. */
44
45 #define NEED_ERRNO
46
47 /* Data type of load average, as read out of kmem. */
48 /* These are commented out since it is not supported by this machine. */
49
50 /* #define LOAD_AVE_TYPE long */
51
52 /* Convert that into an integer that is 100 for a load average of 1.0 */
53
54 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0) */
55
56 #ifdef __GNUC__
57
58 #define HAVE_ALLOCA
59
60 #else
61
62 #define SWITCH_ENUM_BUG
63 #define C_ALLOCA
64 #define STACK_DIRECTION -1
65
66 #endif
67
68 /* If you have the PD pty driver installed, uncomment the following line. */
69 /* #define HAVE_PTYS */
70
71 /* We don't have memmove. */
72 #define memmove(d, s, n) safe_bcopy (s, d, n)
73
74 /* These three lines were new in 18.50. They were said to permit
75 a demand-paged executable, but someone else says they don't work.
76 Someone else says they do. They didn't work because errno was an
77 initialized variable in crt0.c, and because of %splimit (also therein),
78 both of which have been fixed now. */
79 #define SECTION_ALIGNMENT 0x03ff
80 #define SEGMENT_MASK 0xffff
81 #define LD_SWITCH_MACHINE "-z"
82
83 /* Insist on using cc when compiling this. GCC may have been
84 configured to use GAS syntax, which causes problems. */
85 #define CRT0_COMPILE "cc -c -O -Demacs"