|
0
|
1 /* RTPC machine dependent defines
|
|
|
2 Copyright (C) 1986 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="bsd4-2" */
|
|
|
26
|
|
|
27 /* Define WORD_MACHINE if addresses and such have
|
|
|
28 * to be corrected before they can be used as byte counts. */
|
|
|
29
|
|
|
30 #define WORD_MACHINE
|
|
|
31
|
|
|
32 /* Now define a symbol for the cpu type, if your compiler
|
|
|
33 does not define it automatically. */
|
|
|
34
|
|
|
35 /* XEmacs change */
|
|
|
36 #ifndef ibmrt
|
|
|
37 #define ibmrt
|
|
|
38 #endif
|
|
|
39 #ifndef romp
|
|
|
40 #define romp /* unfortunately old include files are hanging around. */
|
|
|
41 #endif
|
|
|
42
|
|
|
43 /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend
|
|
|
44 the bit field into an int. In other words, if bit fields
|
|
|
45 are always unsigned.
|
|
|
46
|
|
|
47 If you use NO_UNION_TYPE, this flag does not matter. */
|
|
|
48
|
|
|
49 #define EXPLICIT_SIGN_EXTEND
|
|
|
50
|
|
|
51 /* Data type of load average, as read out of kmem. */
|
|
|
52
|
|
|
53 #define LOAD_AVE_TYPE double /* For AIS (sysV) */
|
|
|
54
|
|
|
55 /* Convert that into an integer that is 100 for a load average of 1.0 */
|
|
|
56
|
|
|
57 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
|
|
|
58
|
|
|
59 /* Define CANNOT_DUMP on machines where unexec does not work.
|
|
|
60 Then the function dump-emacs will not be defined
|
|
|
61 and temacs will do (load "loadup") automatically unless told otherwise. */
|
|
|
62
|
|
|
63 /* #define CANNOT_DUMP */
|
|
|
64
|
|
|
65 /* Define VIRT_ADDR_VARIES if the virtual addresses of
|
|
|
66 pure and impure space as loaded can vary, and even their
|
|
|
67 relative order cannot be relied on.
|
|
|
68
|
|
|
69 Otherwise Emacs assumes that text space precedes data space,
|
|
|
70 numerically. */
|
|
|
71
|
|
|
72 #undef VIRT_ADDR_VARIES
|
|
|
73
|
|
|
74 /* Define C_ALLOCA if this machine does not support a true alloca
|
|
|
75 and the one written in C should be used instead.
|
|
|
76 Define HAVE_ALLOCA to say that the system provides a properly
|
|
|
77 working alloca function and it should be used.
|
|
|
78 Define neither one if an assembler-language alloca
|
|
|
79 in the file alloca.s should be used. */
|
|
|
80
|
|
|
81 #define HAVE_ALLOCA
|
|
|
82
|
|
|
83 /* The data segment in this machine starts at a fixed address.
|
|
|
84 An address of data cannot be stored correctly in a Lisp object;
|
|
|
85 we always lose the high bits. We must tell XPNTR to add them back. */
|
|
|
86
|
|
|
87 #define DATA_SEG_BITS 0x10000000
|
|
|
88 #define DATA_START 0x10000000
|
|
|
89
|
|
|
90 /* The text segment always starts at a fixed address.
|
|
|
91 This way we don't need to have a label _start defined. */
|
|
|
92 #define TEXT_START 0
|
|
|
93
|
|
|
94 /* Taking a pointer to a char casting it as int pointer */
|
|
|
95 /* and then taking the int which the int pointer points to */
|
|
|
96 /* is practically guaranteed to give erroneous results */
|
|
|
97
|
|
|
98 #define NEED_ERRNO
|
|
|
99
|
|
|
100 #define SKTPAIR
|
|
|
101
|
|
|
102 /* Special switches to give the C compiler. */
|
|
|
103
|
|
|
104 #ifndef __GNUC__
|
|
163
|
105 #define C_SWITCH_MACHINE "-Dalloca=_Alloca"
|
|
0
|
106 #endif
|
|
|
107
|
|
|
108 /* XEmacs addition: */
|
|
|
109 /* Under Mach at least, gcc doesn't seem to work as the linker. */
|
|
|
110 #ifdef MACH
|
|
163
|
111 #define START_FILES "pre-crt0.o"
|
|
0
|
112 #ifdef __GNUC__
|
|
163
|
113 #define LINKER "pcc"
|
|
0
|
114 #endif
|
|
|
115 #endif
|
|
|
116
|
|
|
117 /* Don't attempt to relabel some of the data as text when dumping.
|
|
|
118 It does not work because their virtual addresses are not consecutive.
|
|
|
119 This enables us to use the standard crt0.o. */
|
|
|
120
|
|
|
121 #define NO_REMAP
|
|
|
122
|
|
|
123 /* Use the bitmap files that come with Emacs. */
|
|
|
124 #define EMACS_BITMAP_FILES
|
