1 /* machine description file for the NCR Tower 32 running System V.3.
2 Copyright (C) 1986 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 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run.
25 USUAL-OPSYS="usg5-3" */
27 /* Define WORD_MACHINE if addresses and such have
28 * to be corrected before they can be used as byte counts. */
30 /* #define WORD_MACHINE */
32 /* Now define a symbol for the cpu type, if your compiler
33 does not define it automatically:
34 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
35 are the ones defined so far. */
38 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
39 the bit field into an int. In other words, if bit fields
42 If you use NO_UNION_TYPE, this flag does not matter. */
44 #define EXPLICIT_SIGN_EXTEND
46 /* Data type of load average, as read out of kmem. */
48 /* #define LOAD_AVE_TYPE long */
50 /* Convert that into an integer that is 100 for a load average of 1.0 */
52 /* #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) */
54 /* Define CANNOT_DUMP on machines where unexec does not work.
55 Then the function dump-emacs will not be defined
56 and temacs will do (load "loadup") automatically unless told otherwise. */
58 /* #define CANNOT_DUMP */
60 /* Define VIRT_ADDR_VARIES if the virtual addresses of
61 pure and impure space as loaded can vary, and even their
62 relative order cannot be relied on.
64 Otherwise Emacs assumes that text space precedes data space,
67 /* #define VIRT_ADDR_VARIES */
69 /* Define C_ALLOCA if this machine does not support a true alloca
70 and the one written in C should be used instead.
71 Define HAVE_ALLOCA to say that the system provides a properly
72 working alloca function and it should be used.
73 Define neither one if an assembler-language alloca
74 in the file alloca.s should be used. */
78 #define alloca __builtin_alloca
79 #define C_OPTIMIZE_SWITCH "-O -fstrength-reduce -fomit-frame-pointer"
80 #define LIB_STANDARD "-lc /lib/crtn.o"
82 /* This section is correct if you do *not* change src/ymakefile so that
83 CFLAGS includes C_OPTIMIZE_SWITCH rather than C_DEBUG_SWITCH. */
85 #define "C_DEBUG_SWITCH -g -O0"
86 #define LIB_STANDARD "-lc -lPW /lib/crtn.o"
87 /* This section is correct if you do enable C_OPTIMIZE_SWITCH. */
88 /* #define C_ALLOCA */
89 /* #define STACK_DIRECTION -1 */
90 /* #define C_OPTIMIZE_SWITCH -O2 */
91 /* #define LIB_STANDARD -lc /lib/crtn.o */
94 /* The OS maps the data section far away from the text section. */
97 #define START_FILES "pre-crt0.o /lib/crt1.o"
99 /* The OS has an implementation of symlinks that is semantically different
100 from BSD, but for some silly reason it partly has the same syntax. */
103 /* The OS needs stream.h+ptem.h included in sysdep.c. */