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20c428fd JB |
1 | /* amdahl machine description file |
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 | |
17385adc | 8 | the Free Software Foundation; either version 2, or (at your option) |
20c428fd JB |
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 GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | /* | |
21 | This file for amdahl_uts created by modifying the template.h | |
22 | by Jishnu Mukerji 3/1/87 | |
23 | ||
24 | The following line tells the configuration script what sort of | |
25 | operating system this machine is likely to run. | |
26 | USUAL-OPSYS="usg5-2-2" | |
27 | ||
28 | This file works with the Amdahl uts native C compiler. The 5.2u370 | |
29 | compiler is so brain damaged that it is not even worth trying to use it. | |
30 | */ | |
31 | ||
32 | /* The following three symbols give information on | |
33 | the size of various data types. */ | |
34 | ||
35 | #define SHORTBITS 16 /* Number of bits in a short */ | |
36 | ||
37 | #define INTBITS 32 /* Number of bits in an int */ | |
38 | ||
39 | #define LONGBITS 32 /* Number of bits in a long */ | |
40 | ||
20c428fd JB |
41 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a |
42 | * group of arguments and treat it as an array of the arguments. */ | |
43 | ||
44 | #undef NO_ARG_ARRAY | |
45 | ||
46 | /* Define WORD_MACHINE if addresses and such have | |
47 | * to be corrected before they can be used as byte counts. */ | |
48 | ||
49 | #define WORD_MACHINE /* not actually used anywhere yet! */ | |
50 | ||
20c428fd JB |
51 | /* Now define a symbol for the cpu type, if your compiler |
52 | does not define it automatically: | |
53 | vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO | |
54 | are the ones defined so far. */ | |
55 | ||
56 | /* uts gets defined automatically */ | |
57 | /* However for clarity define amdahl_uts */ | |
58 | #define amdahl_uts | |
59 | ||
60 | /* Use type int rather than a union, to represent Lisp_Object */ | |
61 | /* This is desirable for most machines. */ | |
62 | ||
63 | #define NO_UNION_TYPE | |
64 | ||
65 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
66 | the 24-bit bit field into an int. In other words, if bit fields | |
67 | are always unsigned. | |
68 | ||
69 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
70 | ||
71 | #define EXPLICIT_SIGN_EXTEND | |
72 | ||
73 | /* Data type of load average, as read out of kmem. */ | |
74 | ||
75 | /* #define LOAD_AVE_TYPE long*/ | |
76 | ||
77 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
78 | ||
79 | /*#define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)*/ | |
80 | ||
81 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
82 | Then the function dump-emacs will not be defined | |
83 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
84 | ||
85 | /* #define CANNOT_DUMP | |
86 | ||
87 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
88 | pure and impure space as loaded can vary, and even their | |
89 | relative order cannot be relied on. | |
90 | ||
91 | Otherwise Emacs assumes that text space precedes data space, | |
92 | numerically. */ | |
93 | ||
94 | /* #define VIRT_ADDR_VARIES*/ | |
95 | ||
96 | /* Define C_ALLOCA if this machine does not support a true alloca | |
97 | and the one written in C should be used instead. | |
98 | Define HAVE_ALLOCA to say that the system provides a properly | |
99 | working alloca function and it should be used. | |
100 | Define neither one if an assembler-language alloca | |
101 | in the file alloca.s should be used. */ | |
102 | ||
103 | #define C_ALLOCA | |
104 | /*#define HAVE_ALLOCA */ | |
105 | ||
106 | #ifdef HAVE_ALLOCA | |
107 | #define LIB_STANDARD -lPW -lc | |
108 | #endif | |
109 | ||
110 | /* Define NO_REMAP if memory segmentation makes it not work well | |
111 | to change the boundary between the text section and data section | |
112 | when Emacs is dumped. If you define this, the preloaded Lisp | |
113 | code will not be sharable; but that's better than failing completely. */ | |
114 | ||
115 | /*#define NO_REMAP*/ | |
116 | ||
117 | #define TERMINFO | |
118 | ||
119 | /* The usual definition of XINT, which involves shifting, does not | |
120 | sign-extend properly on this machine. */ | |
121 | ||
122 | #define XINT(i) (((sign_extend_temp=(i)) & 0x00800000) \ | |
123 | ? (sign_extend_temp | 0xFF000000) \ | |
124 | : (sign_extend_temp & 0x00FFFFFF)) | |
125 | ||
126 | #ifdef emacs /* Don't do this when making xmakefile! */ | |
127 | extern int sign_extend_temp; | |
128 | #endif | |
129 | ||
130 | /* The following needed to load the proper crt0.o and to get the | |
131 | proper declaration of data_start in the #undef NO_REMAP case */ | |
132 | ||
133 | #ifndef NO_REMAP | |
134 | #define START_FILES pre-crt0.o /lib/crt0.o | |
135 | #endif | |
136 | ||
137 | /* Perhaps this means that the optimizer isn't safe to use. */ | |
138 | ||
139 | #define C_OPTIMIZE_SWITCH | |
140 | ||
141 | /* Put text and data on non-segment boundary; makes image smaller */ | |
142 | ||
143 | #define LD_SWITCH_MACHINE -N | |
144 | ||
145 | /* When writing the 'xemacs' file, make text segment ro */ | |
146 | #define EXEC_MAGIC 0410 | |
147 | ||
148 | /* Mask for address bits within a memory segment */ | |
149 | #define SEGSIZ 0x10000 /* Should this not be defined elsewhere ? */ | |
150 | #define SEGMENT_MASK (SEGSIZ - 1) | |
151 | ||
152 | /* Tell alloca.c which direction stack grows. */ | |
153 | #define STACK_DIRECTION -1 | |
154 | ||
155 | /* Compensate for error in signal.h. */ | |
156 | #if NSIG==19 | |
157 | #undef NSIG | |
158 | #define NSIG 20 | |
159 | #endif |