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comparison src/m/iris5d.h @ 0:376386a54a3c r19-14

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Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
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1 /* machine description file for Iris-4D machines. Use with s-iris3-6.h
2 Copyright (C) 1987 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 /* The following line tells the configuration script what sort of
24 operating system this machine is likely to run.
25 USUAL-OPSYS="irix3-3" */
26
27 /* Define WORD_MACHINE if addresses and such have
28 * to be corrected before they can be used as byte counts. */
29
30 #undef WORD_MACHINE
31
32 /* Now define a symbol for the cpu type, if your compiler
33 does not define it automatically:
34 Ones defined so far include vax, m68000, ns16000, pyramid,
35 orion, tahoe, APOLLO and many others */
36
37 #ifndef mips
38 #define mips
39 #endif
40
41 #ifndef IRIS_4D
42 #define IRIS_4D
43 #endif
44
45 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
46 the bit field into an int. In other words, if bit fields
47 are always unsigned.
48
49 If you use NO_UNION_TYPE, this flag does not matter. */
50
51 #define EXPLICIT_SIGN_EXTEND
52
53 /* Data type of load average, as read out of kmem. */
54
55 #define LOAD_AVE_TYPE long /* This doesn't quite work on the 4D */
56
57 /* Convert that into an integer that is 100 for a load average of 1.0 */
58
59 #define LOAD_AVE_CVT(x) (int)(((double)(x)*100)/1024.0)
60
61 /* s-iris3-6.h uses /vmunix */
62
63 #undef KERNEL_FILE
64 #define KERNEL_FILE "/unix"
65
66 /* Define CANNOT_DUMP on machines where unexec does not work.
67 Then the function dump-emacs will not be defined
68 and temacs will do (load "loadup") automatically unless told otherwise. */
69
70 #undef CANNOT_DUMP
71
72 /* Define VIRT_ADDR_VARIES if the virtual addresses of
73 pure and impure space as loaded can vary, and even their
74 relative order cannot be relied on.
75
76 Otherwise Emacs assumes that text space precedes data space,
77 numerically. */
78
79 /* #define VIRT_ADDR_VARIES */
80
81 /* Define C_ALLOCA if this machine does not support a true alloca
82 and the one written in C should be used instead.
83 Define HAVE_ALLOCA to say that the system provides a properly
84 working alloca function and it should be used.
85 Define neither one if an assembler-language alloca
86 in the file alloca.s should be used. */
87
88 #define C_ALLOCA
89 /* #define HAVE_ALLOCA */
90
91 /* Define NO_REMAP if memory segmentation makes it not work well
92 to change the boundary between the text section and data section
93 when Emacs is dumped. If you define this, the preloaded Lisp
94 code will not be sharable; but that's better than failing completely. */
95
96 #define NO_REMAP
97
98 /* This machine requires completely different unexec code
99 which lives in a separate file. Specify the file name. */
100
101 #ifdef UNEXEC
102 #undef UNEXEC
103 #endif
104 /* FSF renames this file to unexsgi.o */
105 #define UNEXEC unexelfsgi.o
106
107 #define TEXT_START 0x400000
108
109 /*
110 * DATA_SEG_BITS forces extra bits to be or'd in with any pointers which
111 * were stored in a Lisp_Object (as Emacs uses fewer than 32 bits for
112 * the value field of a LISP_OBJECT).
113 */
114
115 #define DATA_START 0x10000000
116 #define DATA_SEG_BITS 0x10000000
117
118 #undef LIBS_MACHINE
119 /* -lsun in case using Yellow Pages for passwords. */
120 #define LIBS_MACHINE -lsun -lmld
121 #define LIBS_DEBUG
122
123 /* Define this if you have a fairly recent system,
124 in which crt1.o and crt1.n should be used. */
125 #define HAVE_CRTN
126
127 #ifdef HAVE_CRTN
128 /* Must define START-FILES so that the linker can find /usr/lib/crt0.o. */
129 #define START_FILES pre-crt0.o /usr/lib/crt1.o
130 #define LIB_STANDARD -lbsd -lc /usr/lib/crtn.o
131 #else
132 #define START_FILES pre-crt0.o /usr/lib/crt0.o
133 /* The entry-point label (start of text segment) is `start', not `__start'. */
134 #define DEFAULT_ENTRY_ADDRESS start
135 #define LIB_STANDARD -lbsd -lc
136 #endif
137
138 /* Use terminfo instead of termcap. */
139
140 #define TERMINFO
141
142 /* sioctl.h should be included where appropriate. */
143
144 #define NEED_SIOCTL
145
146 /* Letter to use in finding device name of first pty,
147 if system supports pty's. 'a' means it is /dev/ptya0 */
148
149 #undef FIRST_PTY_LETTER
150 #define FIRST_PTY_LETTER 'q'
151
152 /* Define STACK_DIRECTION for alloca.c */
153
154 #define STACK_DIRECTION -1
155
156 #ifndef __GNUC__
157 /* Turn off some "helpful" error checks for type mismatches
158 that we can't fix without breaking other machines. */
159 #define C_SWITCH_MACHINE -cckr
160 #endif