1 /* machine description file for clipper
2 Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007 Free Software Foundation, Inc.
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 GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
23 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
24 is the most significant byte. */
26 #undef WORDS_BIG_ENDIAN
28 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
29 * group of arguments and treat it as an array of the arguments. */
33 /* Define WORD_MACHINE if addresses and such have
34 * to be corrected before they can be used as byte counts. */
36 /* #define WORD_MACHINE */
38 /* Now define a symbol for the cpu type, if your compiler
39 does not define it automatically */
43 /* Use type int rather than a union, to represent Lisp_Object */
47 /* crt0.c should define a symbol `start' and do .globl with a dot. */
49 #define DOT_GLOBAL_START
51 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
52 the 24-bit bit field into an int. In other words, if bit fields
55 If you use NO_UNION_TYPE, this flag does not matter. */
57 /* #define EXPLICIT_SIGN_EXTEND */
59 /* USG systems I know of running on Vaxes do not actually
60 support the load average, so disable it for them. */
62 /* Data type of load average, as read out of kmem. */
64 #define LOAD_AVE_TYPE double
66 /* Convert that into an integer that is 100 for a load average of 1.0 */
68 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
70 /* Define CANNOT_DUMP on machines where unexec does not work.
71 Then the function dump-emacs will not be defined
72 and temacs will do (load "loadup") automatically unless told otherwise. */
73 /* #define CANNOT_DUMP */
75 /* Define VIRT_ADDR_VARIES if the virtual addresses of
76 pure and impure space as loaded can vary, and even their
77 relative order cannot be relied on.
79 Otherwise Emacs assumes that text space precedes data space,
82 /* #define VIRT_ADDR_VARIES */ /* Karl Kleinpaste says this isn't needed. */
84 /* Define NO_REMAP if memory segmentation makes it not work well
85 to change the boundary between the text section and data section
86 when Emacs is dumped. If you define this, the preloaded Lisp
87 code will not be sharable; but that's better than failing completely. */
89 /* #define NO_REMAP */
95 #define LD_TEXT_START_ADDR 8000
97 /* arch-tag: 2f7981c1-7018-4a1e-b7b6-b2900de36a04
98 (do not change this comment) */