|
428
|
1 /* alliant.h Alliant machine running system version 2 or 3.
|
|
|
2 Copyright (C) 1985, 1986, 1987 Free Software Foundation, Inc.
|
|
|
3 Note that for version 1 of the Alliant system
|
|
|
4 you should use alliant1.h instead of this file.
|
|
|
5 Use alliant4.h for version 4.
|
|
|
6
|
|
|
7 This file is part of GNU Emacs.
|
|
|
8
|
|
|
9 GNU Emacs is free software; you can redistribute it and/or modify
|
|
|
10 it under the terms of the GNU General Public License as published by
|
|
|
11 the Free Software Foundation; either version 2, or (at your option)
|
|
|
12 any later version.
|
|
|
13
|
|
|
14 GNU Emacs is distributed in the hope that it will be useful,
|
|
|
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
17 GNU General Public License for more details.
|
|
|
18
|
|
|
19 You should have received a copy of the GNU General Public License
|
|
|
20 along with XEmacs; see the file COPYING. If not, write to
|
|
|
21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
|
22 Boston, MA 02111-1307, USA. */
|
|
|
23
|
|
|
24 /* Synched up with: FSF 19.31. */
|
|
|
25
|
|
|
26 /* The following line tells the configuration script what sort of
|
|
|
27 operating system this machine is likely to run.
|
|
|
28 USUAL-OPSYS="bsd4-2" */
|
|
|
29
|
|
|
30 /* Define WORD_MACHINE if addresses and such have
|
|
|
31 * to be corrected before they can be used as byte counts. */
|
|
|
32
|
|
|
33 #undef WORD_MACHINE
|
|
|
34
|
|
|
35 /* Now define a symbol for the cpu type, if your compiler
|
|
|
36 does not define it automatically:
|
|
|
37 vax, m68000, ns16000, pyramid, orion, tahoe and APOLLO
|
|
|
38 are the ones defined so far. */
|
|
|
39
|
|
|
40 #define ALLIANT
|
|
|
41
|
|
|
42 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
|
|
|
43 the bit field into an int. In other words, if bit fields
|
|
|
44 are always unsigned.
|
|
|
45
|
|
|
46 If you use NO_UNION_TYPE, this flag does not matter. */
|
|
|
47 /* On Alliants, bitfields are unsigned. */
|
|
|
48
|
|
|
49 #define EXPLICIT_SIGN_EXTEND
|
|
|
50
|
|
|
51 /* No load average information available for Alliants. */
|
|
|
52
|
|
|
53 #undef LOAD_AVE_TYPE
|
|
|
54 #undef LOAD_AVE_CVT
|
|
|
55
|
|
|
56 /* Define CANNOT_DUMP on machines where unexec does not work.
|
|
|
57 Then the function dump-emacs will not be defined
|
|
|
58 and temacs will do (load "loadup") automatically unless told otherwise. */
|
|
|
59
|
|
|
60 #undef CANNOT_DUMP
|
|
|
61
|
|
|
62 /* Define VIRT_ADDR_VARIES if the virtual addresses of
|
|
|
63 pure and impure space as loaded can vary, and even their
|
|
|
64 relative order cannot be relied on.
|
|
|
65
|
|
|
66 Otherwise Emacs assumes that text space precedes data space,
|
|
|
67 numerically. */
|
|
|
68
|
|
|
69 #undef VIRT_ADDR_VARIES
|
|
|
70
|
|
|
71 /* Define C_ALLOCA if this machine does not support a true alloca
|
|
|
72 and the one written in C should be used instead.
|
|
|
73 Define HAVE_ALLOCA to say that the system provides a properly
|
|
|
74 working alloca function and it should be used.
|
|
|
75 Define neither one if an assembler-language alloca
|
|
|
76 in the file alloca.s should be used. */
|
|
|
77
|
|
|
78 #undef C_ALLOCA
|
|
|
79 #define HAVE_ALLOCA
|
|
|
80
|
|
|
81 #ifdef ALLIANT_1
|
|
|
82 #define C_ALLOCA
|
|
|
83 #undef HAVE_ALLOCA
|
|
|
84 #endif /* ALLIANT_1 */
|
|
|
85
|
|
|
86 /* Define NO_REMAP if memory segmentation makes it not work well
|
|
|
87 to change the boundary between the text section and data section
|
|
|
88 when Emacs is dumped. If you define this, the preloaded Lisp
|
|
|
89 code will not be sharable; but that's better than failing completely. */
|
|
|
90 /* Actually, Alliant CONCENTRIX does paging "right":
|
|
|
91 data pages are copy-on-write, which means that the pure data areas
|
|
|
92 are shared automatically and remapping is not necessary. */
|
|
|
93
|
|
|
94 #define NO_REMAP
|
|
|
95
|
|
|
96 /* Alliant needs special crt0.o because system version is not reentrant */
|
|
|
97
|
|
|
98 #define START_FILES "crt0.o"
|
|
|
99
|
|
|
100 /* Alliant dependent code for dumping executing image.
|
|
|
101 See crt0.c code for alliant. */
|
|
|
102
|
|
|
103 #define ADJUST_EXEC_HEADER {\
|
|
|
104 extern int _curbrk, _setbrk;\
|
|
|
105 _setbrk = _curbrk;\
|
|
|
106 hdr.a_bss_addr = bss_start;\
|
|
|
107 unexec_text_start = hdr.a_text_addr;}
|
|
|
108
|
|
|
109 /* cc screws up on long names. Try making cpp replace them. */
|
|
|
110
|
|
|
111 #ifdef ALLIANT_1
|
|
|
112 #define Finsert_abbrev_table_description Finsert_abbrev_table_descrip
|
|
|
113 #define internal_with_output_to_temp_buffer internal_with_output_to_tem
|
|
|
114 #endif
|
|
|
115
|
|
|
116 /* "vector" is a typedef in /usr/include/machine/reg.h, so its use as
|
|
|
117 a variable name causes errors when compiling under ANSI C. */
|
|
|
118
|
|
|
119 #define vector xxvector
|
