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20c428fd JB |
1 | /* machine description file for tek4300. |
2 | Copyright (C) 1988 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 | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
20c428fd JB |
20 | |
21 | ||
22 | /* The following line tells the configuration script what sort of | |
23 | operating system this machine is likely to run. | |
24 | USUAL-OPSYS="bsd4-3" */ | |
25 | ||
74d3f806 KH |
26 | /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word |
27 | is the most significant byte. */ | |
28 | ||
29 | #define WORDS_BIG_ENDIAN | |
30 | ||
20c428fd JB |
31 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a |
32 | * group of arguments and treat it as an array of the arguments. */ | |
33 | ||
34 | #undef NO_ARG_ARRAY | |
35 | ||
36 | /* Define WORD_MACHINE if addresses and such have | |
37 | * to be corrected before they can be used as byte counts. */ | |
38 | ||
39 | #undef WORD_MACHINE | |
40 | ||
20c428fd JB |
41 | /* Now define a symbol for the cpu type, if your compiler |
42 | does not define it automatically. */ | |
43 | ||
bd37f911 | 44 | #ifndef tek4300 |
20c428fd | 45 | #define tek4300 |
bd37f911 | 46 | #endif |
20c428fd JB |
47 | |
48 | /* Use type int rather than a union, to represent Lisp_Object */ | |
49 | ||
50 | #define NO_UNION_TYPE | |
51 | ||
52 | /* Data type of load average, as read out of kmem. */ | |
53 | ||
54 | #define LOAD_AVE_TYPE long | |
55 | ||
56 | /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
57 | ||
58 | #define LOAD_AVE_CVT(x) (x) | |
59 | ||
60 | /* Define NO_REMAP if memory segmentation makes it not work well | |
61 | to change the boundary between the text section and data section | |
62 | when Emacs is dumped. If you define this, the preloaded Lisp | |
63 | code will not be sharable; but that's better than failing completely. */ | |
64 | ||
65 | #define NO_REMAP | |
66 | ||
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 | ||
70 | #define C_ALLOCA | |
71 | ||
72 | /* setjmp and longjmp can safely replace _setjmp and _longjmp, */ | |
73 | ||
74 | #define _longjmp longjmp | |
75 | #define _setjmp setjmp | |
76 | ||
77 | /* The text segment always starts at a fixed address. | |
78 | This way we don't need to have a label _start defined. */ | |
79 | ||
80 | #define TEXT_START 0 | |
81 | ||
82 | /* The Tektronix exec struct for ZMAGIC files is struct zexec */ | |
83 | ||
84 | #define EXEC_HDR_TYPE struct zexec | |
85 | ||
86 | /* The entry-point label (start of text segment) is `start', not `__start'. */ | |
87 | ||
88 | #define DEFAULT_ENTRY_ADDRESS start | |
bdb8d085 RS |
89 | |
90 | /* Use the system's malloc calls, gmalloc.c won't work for us. */ | |
91 | ||
92 | #define SYSTEM_MALLOC | |
93 | ||
94 | /* In building xmakefile, "cc -E -g" forcibly reads from stdin. Since we | |
95 | can't remove the CFLAGS from that "cc -E" invocation, make sure we | |
96 | never pass -g. If you want to debug, remove the following, and fix | |
97 | src/Makefile.in so it doesn't pass ${CFLAGS} when creating xmakefile. */ | |
98 | ||
99 | #define C_DEBUG_SWITCH | |
cabfafdc RS |
100 | |
101 | /* eirik@elf.ithaca.ny.us said this was needed in 19.22. */ | |
102 | #define NO_MODE_T | |
bd7caa54 RS |
103 | |
104 | /* Process groups work in the traditional BSD manner. */ | |
105 | ||
106 | #define BSD_PGRPS |