1 /* machine description file for SEQUENT BALANCE machines
2 Copyright (C) 1985, 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.
28 Use -opsystem=bsd4-2, or -opsystem=bsd4-3 on newer systems.
31 /* NOTE: this file works for DYNIX release 2.0
32 (not tested on 1.3) on NS32000's */
34 /* Now define a symbol for the cpu type, if your compiler
35 does not define it automatically:
36 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
37 are the ones defined so far. */
39 /* BTW: DYNIX defines sequent, ns32000, and ns16000 (GENIX compatibility) */
40 #ifndef sequent /* pre DYNIX 2.1 releases */
44 /* crt0.c should use the vax-bsd style of entry, with these dummy args. */
46 #define CRT0_DUMMIES bogus_fp,
48 /* crt0.c should define a symbol `start' and do .globl with a dot. */
50 #define DOT_GLOBAL_START
52 /* Data type of load average, as read out of kmem. */
54 #define LOAD_AVE_TYPE unsigned long
56 /* Convert that into an integer that is 100 for a load average of 1.0 */
59 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
61 /* Define CANNOT_DUMP on machines where unexec does not work.
62 Then the function dump-emacs will not be defined
63 and temacs will do (load "loadup") automatically unless told otherwise. */
65 /* #define CANNOT_DUMP */
67 /* Define C_ALLOCA if this machine does not support a true alloca
68 and the one written in C should be used instead.
69 Define HAVE_ALLOCA to say that the system provides a properly
70 working alloca function and it should be used.
71 Define neither one if an assembler-language alloca
72 in the file alloca.s should be used. */
74 /* #define C_ALLOCA */
77 /* Name of file the to look in
78 for the kernel symbol table (for load average) */
81 #define KERNEL_FILE "/dynix"
83 /* Avoids a compiler bug */
85 #define TAHOE_REGISTER_BUG
87 /* Say that the text segment of a.out includes the header;
88 the header actually occupies the first few bytes of the text segment
89 and is counted in hdr.a_text. Furthermore, the value written
90 in the a_text in the file must have N_ADDRADJ added to it. */
92 #define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR))
94 /* This is the offset of the executable's text, from the start of the file. */
96 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
98 /* (short) negative-int doesn't sign-extend correctly */
99 #define SHORT_CAST_BUG
101 /* Cause compilations to be done in parallel in ymakefile. */
102 #define MAKE_PARALLEL &
104 /* Say that mailer interlocking uses flock. */
105 #define MAIL_USE_FLOCK
107 /* On many 4.2-based systems, there's a rather tricky bug
108 * with the interpretation of the pid/pgrp value given to
109 * the F_SETOWN fcntl() call. It works as documented EXCEPT
110 * when applied to filedescriptors for sockets, in which case
111 * the sign must be reversed. If your emacs subprocesses get
112 * SIGIO's when they shouldn't, while running on a socket
113 * (e.g. under X windows), you should probably define this.
116 #define F_SETOWN_SOCK_NEG
118 /* Some really obscure 4.2-based systems (like Sequent DYNIX)
119 * do not support asynchronous I/O (using SIGIO) on sockets,
120 * even though it works fine on tty's. If you have one of
121 * these systems, define the following, and then use it in
122 * config.h (or elsewhere) to decide when (not) to use SIGIO.
125 /* Note: This definition not used under XEmacs */
126 #define NO_SOCK_SIGIO
128 /* Define how to search all pty names.
129 This is for Dynix 3.0; delete next 5 definitions for older systems. */
131 #define PTY_MAJOR "pqrstuvwPQRSTUVW"
132 #define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
133 #define PTY_ITERATION \
134 register int ma, mi; \
135 for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++) \
136 for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++)
137 #define PTY_NAME_SPRINTF \
138 sprintf (ptyname, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
139 #define PTY_TTY_NAME_SPRINTF \
140 sprintf (ptyname, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);