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comparison src/m/symmetry.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
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date Mon, 13 Aug 2007 08:45:50 +0200
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1 /* machine description file for SEQUENT SYMMETRY machines
2 Copyright (C) 1985, 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 2, 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 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. */
20
21 /* Synched up with: FSF 19.31. */
22
23 /* CHANGE: [Eric H. Herrin II; eric@ms.uky.edu - 15 Sept 1988]
24 * Modified the sequent.h file for the Sequent Symmetry machine.
25 * Biggest change was to align the sections in the a.out to 4K
26 * boundaries (this is the page size).
27 */
28
29
30 /* NOTICE: this file works for DYNIX release 3.0.12 on Sequent Symmetry
31 * (Intel 80386) machines. Hasn't been tested on anything else.
32 */
33
34 /* The following line tells the configuration script what sort of
35 operating system this machine is likely to run.
36 USUAL-OPSYS="bsd4-3" */
37
38 #include "intel386.h"
39
40 /* Data type of load average, as read out of kmem. */
41
42 #define LOAD_AVE_TYPE unsigned long
43
44 /* Convert that into an integer that is 100 for a load average of 1.0 */
45
46 #define FSCALE 1000.0
47 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE)
48
49 /* Define C_ALLOCA if this machine does not support a true alloca
50 and the one written in C should be used instead.
51 Define HAVE_ALLOCA to say that the system provides a properly
52 working alloca function and it should be used.
53 Define neither one if an assembler-language alloca
54 in the file alloca.s should be used. */
55
56 /* #define C_ALLOCA */
57 /*#define HAVE_ALLOCA*/
58
59 /* Name of file the to look in
60 for the kernel symbol table (for load average) */
61
62 #undef KERNEL_FILE
63 #define KERNEL_FILE "/dynix"
64
65 /* Avoids a compiler bug */
66
67 #define TAHOE_REGISTER_BUG
68
69 /* Say that the text segment of a.out includes the header;
70 the header actually occupies the first few bytes of the text segment
71 and is counted in hdr.a_text. Furthermore, the value written
72 in the a_text in the file must have N_ADDRADJ added to it. */
73
74 #define A_TEXT_OFFSET(HDR) (sizeof (HDR) + N_ADDRADJ (HDR))
75
76 /* This is the offset of the executable's text, from the start of the file. */
77
78 #define A_TEXT_SEEK(HDR) (N_TXTOFF (hdr) + sizeof (hdr))
79
80 /* The file sections in the Symmetry a.out must be on 4K boundaries.
81 */
82 #define SEGSIZ 4096
83 #define SECTION_ALIGNMENT (SEGSIZ-1)
84
85 /* (short) negative-int doesn't sign-extend correctly */
86 #define SHORT_CAST_BUG
87
88 /* Cause compilations to be done in parallel in ymakefile. */
89 #define MAKE_PARALLEL &
90
91 /* Define how to search all pty names.
92 This is for Dynix 3.0; delete next 5 definitions for older systems. */
93
94 #define PTY_MAJOR "pqrstuvwPQRSTUVW"
95 #define PTY_MINOR "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
96 #define PTY_ITERATION \
97 register int ma, mi; \
98 for (ma = 0; ma < sizeof(PTY_MAJOR) - 1; ma++) \
99 for (mi = 0; mi < sizeof(PTY_MINOR) - 1; mi++)
100 #define PTY_NAME_SPRINTF \
101 sprintf (pty_name, "/dev/pty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);
102 #define PTY_TTY_NAME_SPRINTF \
103 sprintf (pty_name, "/dev/tty%c%c", PTY_MAJOR[ma], PTY_MINOR[mi]);