1 /* machine description file for Data General AViiON.
2 Copyright (C) 1985, 1986, 1991 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
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)
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.
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. */
21 /* Synched up with: FSF 19.31. */
23 /* Now define a symbol for the cpu type, if your compiler
24 does not define it automatically:
25 Ones defined so far include vax, m68000, ns16000, pyramid,
26 orion, tahoe, APOLLO and many others */
32 /* Data type of load average, as read out of kmem. */
34 /* #define LOAD_AVE_TYPE long */
36 /* Convert that into an integer that is 100 for a load average of 1.0 */
38 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
40 /* Define CANNOT_DUMP on machines where unexec does not work.
41 Then the function dump-emacs will not be defined
42 and temacs will do (load "loadup") automatically unless told otherwise. */
44 /* #define CANNOT_DUMP */
46 /* Define C_ALLOCA if this machine does not support a true alloca
47 and the one written in C should be used instead.
48 Define HAVE_ALLOCA to say that the system provides a properly
49 working alloca function and it should be used.
50 Define neither one if an assembler-language alloca
51 in the file alloca.s should be used. */
53 /* #define C_ALLOCA */
55 #define alloca(x) __builtin_alloca(x)
57 /* Define NO_REMAP if memory segmentation makes it not work well
58 to change the boundary between the text section and data section
59 when Emacs is dumped. If you define this, the preloaded Lisp
60 code will not be sharable; but that's better than failing completely. */
64 /* Define ADDR_CORRECT(ADDR) to be a macro to correct an int which is
65 the bit pattern of a pointer to a byte into an int which is the
68 This macro has a default definition which is usually right.
69 This default definition is a no-op on most machines (where a
70 pointer looks like an int) but not on all machines. */
72 #define ADDR_CORRECT(ADDR) ((int)ADDR)
74 /* Some machines that use COFF executables require that each section
75 start on a certain boundary *in the COFF file*. Such machines should
76 define SECTION_ALIGNMENT to a mask of the low-order bits that must be
77 zero on such a boundary. This mask is used to control padding between
78 segments in the COFF file.
80 If SECTION_ALIGNMENT is not defined, the segments are written
81 consecutively with no attempt at alignment. This is right for
82 unmodified system V. */
84 #define SECTION_ALIGNMENT 0x7