1 /* machine description file for sh3el
2 Copyright (C) 1985, 1986, 2006, 2007 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 GNU Emacs; 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. */
22 /* The following line tells the configuration script what sort of
23 operating system this machine is likely to run.
24 USUAL-OPSYS="<name of system .h file here, without the s- or .h>" */
26 /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word
27 is the most significant byte. */
29 #undef WORDS_BIG_ENDIAN
31 /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
32 * group of arguments and treat it as an array of the arguments. */
36 /* Define WORD_MACHINE if addresses and such have
37 * to be corrected before they can be used as byte counts. */
41 /* Now define a symbol for the cpu type, if your compiler
42 does not define it automatically:
43 Ones defined so far include vax, m68000, ns16000, pyramid,
44 orion, tahoe, APOLLO and many others */
46 /* Use type int rather than a union, to represent Lisp_Object */
47 /* This is desirable for most machines. */
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 /* Data type of load average, as read out of kmem. */
61 #define LOAD_AVE_TYPE long
63 /* Convert that into an integer that is 100 for a load average of 1.0 */
65 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
67 /* Define CANNOT_DUMP on machines where unexec does not work.
68 Then the function dump-emacs will not be defined
69 and temacs will do (load "loadup") automatically unless told otherwise. */
73 /* Define VIRT_ADDR_VARIES if the virtual addresses of
74 pure and impure space as loaded can vary, and even their
75 relative order cannot be relied on.
77 Otherwise Emacs assumes that text space precedes data space,
80 #define VIRT_ADDR_VARIES
82 /* Define C_ALLOCA if this machine does not support a true alloca
83 and the one written in C should be used instead.
84 Define HAVE_ALLOCA to say that the system provides a properly
85 working alloca function and it should be used.
86 Define neither one if an assembler-language alloca
87 in the file alloca.s should be used. */
89 /* #define C_ALLOCA */
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. */
99 /* After adding support for a new system, modify the large case
100 statement in the `configure' script to recognize reasonable
101 configuration names, and add a description of the system to
104 If you've just fixed a problem in an existing configuration file,
105 you should also check `etc/MACHINES' to make sure its descriptions
106 of known problems in that configuration should be updated. */
108 /* arch-tag: ee325990-6f40-47a2-b9df-60ecf3599899
109 (do not change this comment) */