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comparison src/m/hp9000s300.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 hp9000 series 200 or 300 on either HPUX or BSD.
2 Copyright (C) 1985, 1994 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="note"
26
27 NOTE-START
28 HP 9000 series 200 or 300 (-machine=hp9000s300)
29
30 These machines are 68000-series CPUs running HP-UX
31 (a derivative of sysV with some BSD features) or BSD 4.3 ported by Utah.
32
33 If you're running HP-UX, specify `-opsystem=hpux'.
34 If you're running BSD, specify `-opsystem=bsd4-3'.
35 NOTE-END */
36
37 /* Define this symbol if you are running a version of HP-UX
38 which predates version 6.01 */
39
40 /* #define HPUX_5 */
41
42 /* Define WORD_MACHINE if addresses and such have
43 * to be corrected before they can be used as byte counts. */
44
45 /* #define WORD_MACHINE */
46
47 /* Now define a symbol for the cpu type, if your compiler
48 does not define it automatically. */
49
50 #ifndef hp9000s300
51 #define hp9000s300
52 #endif
53
54 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
55 the bit field into an int. In other words, if bit fields
56 are always unsigned.
57
58 If you use NO_UNION_TYPE, this flag does not matter. */
59
60 #define EXPLICIT_SIGN_EXTEND
61
62 /* Define CANNOT_DUMP on machines where unexec does not work.
63 Then the function dump-emacs will not be defined
64 and temacs will do (load "loadup") automatically unless told otherwise. */
65
66 /* #define CANNOT_DUMP */
67
68 /* Define VIRT_ADDR_VARIES if the virtual addresses of
69 pure and impure space as loaded can vary, and even their
70 relative order cannot be relied on.
71
72 Otherwise Emacs assumes that text space precedes data space,
73 numerically. */
74
75 /* #define VIRT_ADDR_VARIES */
76
77 /* XEmacs: Richard Cognot <cognot@ensg.u-nancy.fr> says we need this for
78 HPUX; but eeide@asylum.cs.utah.edu (Eric Eide) says it loses on BSD. */
79 #ifndef BSD
80 # define UNEXEC unexhp9k3.o
81 #endif
82
83
84 /* For University of Utah 4.3bsd implementation on HP300s.
85 The #ifndef __GNUC__ definitions are required for the "standard" cc,
86 a very old, brain-dead version of PCC. */
87
88 #ifdef BSD4_3
89
90 /* Tell crt0.c that this is an ordinary 68020. */
91 #undef hp9000s300
92 #define m68000
93
94 #define CRT0_DUMMIES bogus_a6,
95
96 #define HAVE_ALLOCA
97
98 #ifndef __GNUC__
99 #define LIBS_DEBUG /* don't have -lg that works */
100 #define C_DEBUG_SWITCH /* don't support -g */
101 #endif
102
103 #undef LOAD_AVE_TYPE
104 #undef LOAD_AVE_CVT
105 #define LOAD_AVE_TYPE long
106 #define LOAD_AVE_CVT(x) ((int) (((double) (x)) / 2048.0 * 100.0))
107
108 #endif /* BSD4_3 */
109
110 #ifndef BSD4_3
111 /* The following definitions are for HPUX only. */
112
113 /* The symbol in the kernel where the load average is found
114 is named _avenrun on this machine. */
115
116 #define LDAV_SYMBOL "_avenrun"
117
118 /* Data type of load average, as read out of kmem. */
119
120 #define LOAD_AVE_TYPE double
121
122 /* Convert that into an integer that is 100 for a load average of 1.0 */
123
124 #define LOAD_AVE_CVT(x) ((int) ((x) * 100.0))
125
126 #ifdef __GNUC__
127 #define HAVE_ALLOCA
128 #endif
129
130 /* This library is needed with -g, on the 200/300 only. */
131
132 #if !defined(__GNUC__) || defined(__HPUX_ASM__)
133 #define LIBS_DEBUG /usr/lib/end.o
134 #endif
135
136 /* Need a TEXT_START. On the HP9000/s300 that is 0. */
137 #ifdef __GNUC__
138 #define TEXT_START 0
139 #endif
140
141 /* In older versions of hpux, for unknown reasons, S_IFLNK is defined
142 even though symbolic links do not exist.
143 Make sure our conditionals based on S_IFLNK are not confused.
144
145 Here we assume that stat.h is included before config.h
146 so that we can override it here.
147
148 Version 6 of HP-UX has symbolic links. */
149
150 #ifdef HPUX_5
151 #undef S_IFLNK
152 #endif
153
154 /* Define C_SWITCH_MACHINE to be +X if you want the s200/300
155 * Emacs to run on both 68010 and 68020 based hp-ux's.
156 *
157 * Define OLD_HP_ASSEMBLER if you have an ancient assembler
158 *
159 * Define HPUX_68010 if you are using the new assembler but
160 * compiling for a s200 (upgraded) or s310. 68010 based
161 * processor without 68881.
162 */
163
164 /* These switches increase the size of some internal C compiler tables.
165 They are required for compiling the X11 interface files. */
166
167 #ifndef HPUX_5
168 #ifndef __GNUC__
169 #define C_SWITCH_MACHINE -Wc,-Nd4000,-Ns3000
170 #endif
171 #endif
172
173 /* Define NEED_BSDTTY if you have such. */
174
175 #define NEED_BSDTTY
176
177 #endif /* not BSD4_3 */