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

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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children a86b2b5e0111 abe6d1db359e
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-1:000000000000 0:376386a54a3c
1 /* machine description file for clipper
2 Copyright (C) 1985, 1986 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 /* Define WORD_MACHINE if addresses and such have
24 * to be corrected before they can be used as byte counts. */
25
26 /* #define WORD_MACHINE */
27
28 /* Now define a symbol for the cpu type, if your compiler
29 does not define it automatically */
30
31 #define clipper 1
32
33 /* crt0.c should define a symbol `start' and do .globl with a dot. */
34
35 #define DOT_GLOBAL_START
36
37 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
38 the bit field into an int. In other words, if bit fields
39 are always unsigned.
40
41 If you use NO_UNION_TYPE, this flag does not matter. */
42
43 /* #define EXPLICIT_SIGN_EXTEND */
44
45 /* USG systems I know of running on Vaxes do not actually
46 support the load average, so disable it for them. */
47
48 /* Data type of load average, as read out of kmem. */
49
50 #define LOAD_AVE_TYPE double
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) ((x) * 100.0))
55
56 /* Define CANNOT_DUMP on machines where unexec does not work.
57 Then the function dump-emacs will not be defined
58 and temacs will do (load "loadup") automatically unless told otherwise. */
59 /* #define CANNOT_DUMP */
60
61 /* Define VIRT_ADDR_VARIES if the virtual addresses of
62 pure and impure space as loaded can vary, and even their
63 relative order cannot be relied on.
64
65 Otherwise Emacs assumes that text space precedes data space,
66 numerically. */
67
68 /* #define VIRT_ADDR_VARIES */ /* Karl Kleinpaste says this isn't needed. */
69
70 /* Define C_ALLOCA if this machine does not support a true alloca
71 and the one written in C should be used instead.
72 Define HAVE_ALLOCA to say that the system provides a properly
73 working alloca function and it should be used.
74 Define neither one if an assembler-language alloca
75 in the file alloca.s should be used. */
76
77 #define C_ALLOCA
78
79 /* Define NO_REMAP if memory segmentation makes it not work well
80 to change the boundary between the text section and data section
81 when Emacs is dumped. If you define this, the preloaded Lisp
82 code will not be sharable; but that's better than failing completely. */
83
84 /* #define NO_REMAP */
85
86 #ifdef USG
87 #define TEXT_START 0
88 #endif /* USG */
89
90 #define LD_TEXT_START_ADDR 8000