1: /* m- file for vax.
2: Copyright (C) 1985 Richard M. Stallman.
3:
4: This file is part of GNU Emacs.
5:
6: GNU Emacs is distributed in the hope that it will be useful,
7: but WITHOUT ANY WARRANTY. No author or distributor
8: accepts responsibility to anyone for the consequences of using it
9: or for whether it serves any particular purpose or works at all,
10: unless he says so in writing. Refer to the GNU Emacs General Public
11: License for full details.
12:
13: Everyone is granted permission to copy, modify and redistribute
14: GNU Emacs, but only under the conditions described in the
15: GNU Emacs General Public License. A copy of this license is
16: supposed to have been given to you along with GNU Emacs so you
17: can know your rights and responsibilities. It should be in a
18: file named COPYING. Among other things, the copyright notice
19: and this notice must be preserved on all copies. */
20:
21:
22: /* The following three symbols give information on
23: the size of various data types. */
24:
25: #define SHORTBITS 16 /* Number of bits in a short */
26:
27: #define INTBITS 32 /* Number of bits in an int */
28:
29: #define LONGBITS 32 /* Number of bits in a long */
30:
31: /* Vax is not big-endian: lowest numbered byte is least significant. */
32:
33: #undef BIG_ENDIAN
34:
35: /* Define how to take a char and sign-extend into an int.
36: On machines where char is signed, this is a no-op. */
37:
38: #define SIGN_EXTEND_CHAR(c) (c)
39:
40: /* #define vax -- appears to be done automatically */
41:
42: /* Use type int rather than a union, to represent Lisp_Object */
43:
44: #define NO_UNION_TYPE
45:
46: #ifdef BSD
47: /* USG systems I know of running on Vaxes do not actually
48: support the load average, so disable it for them. */
49:
50: /* Data type of load average, as read out of kmem. */
51:
52: #define LOAD_AVE_TYPE double
53:
54: /* Convert that into an integer that is 100 for a load average of 1.0 */
55:
56: #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
57:
58: #endif /* BSD */
59:
60: /* Vax sysV has alloca in the PW library. */
61:
62: #ifdef USG
63: #define LIB_STANDARD -lPW -lc
64: #define HAVE_ALLOCA
65: #endif /* USG */
Defined macros
Usage of this include