1/* machine description file for Data General AViiON.
2   Copyright (C) 1985, 1986, 1991, 2001, 2002, 2003, 2004,
3                 2005, 2006, 2007  Free Software Foundation, Inc.
4
5This file is part of GNU Emacs.
6
7GNU Emacs is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GNU Emacs is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GNU Emacs; see the file COPYING.  If not, write to
19the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22
23/* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
24   is the most significant byte.  */
25
26#define WORDS_BIG_ENDIAN
27
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.  */
30
31#define NO_ARG_ARRAY
32
33/* Define WORD_MACHINE if addresses and such have
34 * to be corrected before they can be used as byte counts.  */
35
36#define WORD_MACHINE
37
38/* Define DATA_SEG_BITS if pointers need to be corrected with
39   a segment field.  */
40
41#ifdef FIX_ADDRESS
42#define DATA_SEG_BITS 0xef000000
43#endif
44
45/* Now define a symbol for the cpu type, if your compiler
46   does not define it automatically:
47   Ones defined so far include vax, m68000, ns16000, pyramid,
48   orion, tahoe, APOLLO and many others */
49
50#ifndef m88k
51#define m88k
52#endif
53
54/* Use type int rather than a union, to represent Lisp_Object */
55/* This is desirable for most machines.  */
56
57#define NO_UNION_TYPE
58
59/* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
60   the bit field into an int.  In other words, if bit fields
61   are always unsigned.
62
63   If you use NO_UNION_TYPE, this flag does not matter.  */
64
65#define EXPLICIT_SIGN_EXTEND
66
67/* Data type of load average, as read out of kmem.  */
68
69/* #define LOAD_AVE_TYPE long */
70
71/* Convert that into an integer that is 100 for a load average of 1.0  */
72
73/* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
74
75/* Define CANNOT_DUMP on machines where unexec does not work.
76   Then the function dump-emacs will not be defined
77   and temacs will do (load "loadup") automatically unless told otherwise.  */
78
79/* #define CANNOT_DUMP */
80
81/* Define VIRT_ADDR_VARIES if the virtual addresses of
82   pure and impure space as loaded can vary, and even their
83   relative order cannot be relied on.
84
85   Otherwise Emacs assumes that text space precedes data space,
86   numerically.  */
87
88/* #define VIRT_ADDR_VARIES */
89
90#define alloca(x) __builtin_alloca(x)
91
92/* Define NO_REMAP if memory segmentation makes it not work well
93   to change the boundary between the text section and data section
94   when Emacs is dumped.  If you define this, the preloaded Lisp
95   code will not be sharable; but that's better than failing completely.  */
96
97#define NO_REMAP
98
99/* Define ADDR_CORRECT(ADDR) to be a macro to correct an int which is
100   the bit pattern of a pointer to a byte into an int which is the
101   number of a byte.
102
103   This macro has a default definition which is usually right.
104   This default definition is a no-op on most machines (where a
105   pointer looks like an int) but not on all machines. */
106
107#define	ADDR_CORRECT(ADDR) ((int)ADDR)
108
109/* Cast pointers to this type to compare them. */
110
111#define	PNTR_COMPARISON_TYPE	void *
112
113/* Some machines that use COFF executables require that each section
114   start on a certain boundary *in the COFF file*.  Such machines should
115   define SECTION_ALIGNMENT to a mask of the low-order bits that must be
116   zero on such a boundary.  This mask is used to control padding between
117   segments in the COFF file.
118
119   If SECTION_ALIGNMENT is not defined, the segments are written
120   consecutively with no attempt at alignment.  This is right for
121   unmodified system V.  */
122
123#define SECTION_ALIGNMENT 0x7
124
125/* arch-tag: 9de8e6ed-ddd8-4480-8308-17ddd7c86559
126   (do not change this comment) */
127