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1.1 root 1: /* m- file for the NCR Tower 32 running System V.2.
2: Copyright (C) 1986 Free Software Foundation, Inc.
3:
4: This file is part of GNU Emacs.
5:
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 1, or (at your option)
9: any later version.
10:
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.
15:
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
19:
20:
21: /* The following three symbols give information on
22: the size of various data types. */
23:
24: #define SHORTBITS 16 /* Number of bits in a short */
25:
26: #define INTBITS 32 /* Number of bits in an int */
27:
28: #define LONGBITS 32 /* Number of bits in a long */
29:
30: /* Define BIG_ENDIAN iff lowest-numbered byte in a word
31: is the most significant byte. */
32:
33: #define BIG_ENDIAN
34:
35: /* Define NO_ARG_ARRAY if you cannot take the address of the first of a
36: * group of arguments and treat it as an array of the arguments. */
37:
38: /* #define NO_ARG_ARRAY */
39:
40: /* Define WORD_MACHINE if addresses and such have
41: * to be corrected before they can be used as byte counts. */
42:
43: /* #define WORD_MACHINE */
44:
45: /* Define how to take a char and sign-extend into an int.
46: On machines where char is signed, this is a no-op. */
47:
48: #define SIGN_EXTEND_CHAR(c) (c)
49:
50: /* Now define a symbol for the cpu type, if your compiler
51: does not define it automatically:
52: vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
53: are the ones defined so far. */
54: #define m68000
55:
56: /* Use type int rather than a union, to represent Lisp_Object */
57: /* This is desirable for most machines. */
58:
59: #define NO_UNION_TYPE
60:
61: /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
62: the 24-bit bit field into an int. In other words, if bit fields
63: are always unsigned.
64:
65: If you use NO_UNION_TYPE, this flag does not matter. */
66:
67: #define EXPLICIT_SIGN_EXTEND
68:
69: /* Data type of load average, as read out of kmem. */
70:
71: /* #define LOAD_AVE_TYPE long */
72:
73: /* Convert that into an integer that is 100 for a load average of 1.0 */
74:
75: /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
76:
77: /* Define CANNOT_DUMP on machines where unexec does not work.
78: Then the function dump-emacs will not be defined
79: and temacs will do (load "loadup") automatically unless told otherwise. */
80:
81: /* #define CANNOT_DUMP */
82:
83: /* Define VIRT_ADDR_VARIES if the virtual addresses of
84: pure and impure space as loaded can vary, and even their
85: relative order cannot be relied on.
86:
87: Otherwise Emacs assumes that text space precedes data space,
88: numerically. */
89:
90: /* #define VIRT_ADDR_VARIES */
91:
92: /* Define C_ALLOCA if this machine does not support a true alloca
93: and the one written in C should be used instead.
94: Define HAVE_ALLOCA to say that the system provides a properly
95: working alloca function and it should be used.
96: Define neither one if an assembler-language alloca
97: in the file alloca.s should be used. */
98:
99: /* #define C_ALLOCA */
100: #define HAVE_ALLOCA
101:
102: /* Change some things to avoid bugs in compiler */
103:
104: #define SWITCH_ENUM_BUG 1
105:
106: /* The standard C library is -lcieee, not -lc.
107: Also use the PW library, which contains alloca. */
108:
109: #define LIB_STANDARD -lPW -lcieee
110:
111: /* crt0.c should use the vax-bsd style of entry. Beware that if you have
112: OS release 2.00.00 or later, *and* change src/ymakefile so that CFLAGS
113: includes C_OPTIMIZE_SWITCH rather than C_DEBUG_SWITCH, you need to
114: uncomment CRT0_DUMMIES and C_OPTIMIZE_SWITCH below. */
115:
116: /* With the optimizer OFF */
117:
118: #define CRT0_DUMMIES zero, bogus_fp,
119:
120: /* With the optimizer ON */
121:
122: /* #define CRT0_DUMMIES */
123: /* #define C_OPTIMIZE_SWITCH -O2 */
124:
125: /* emacs's magic number isn't temacs's;
126: temacs is writeable text (the default!). */
127:
128: #include <asld.h>
129: #define EXEC_MAGIC AOUT1MAGIC
130: #define EXEC_PAGESIZE DATACLICK
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