1 /* RTPC machine dependent defines
2 Copyright (C) 1986 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
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)
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.
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. */
21 /* Synched up with: FSF 19.31. */
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" */
27 /* Now define a symbol for the cpu type, if your compiler
28 does not define it automatically. */
35 #define romp /* unfortunately old include files are hanging around. */
38 /* Data type of load average, as read out of kmem. */
40 #define LOAD_AVE_TYPE double /* For AIS (sysV) */
42 /* Convert that into an integer that is 100 for a load average of 1.0 */
44 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0)
46 /* Define CANNOT_DUMP on machines where unexec does not work.
47 Then the function dump-emacs will not be defined
48 and temacs will do (load "loadup") automatically unless told otherwise. */
50 /* #define CANNOT_DUMP */
52 /* Define C_ALLOCA if this machine does not support a true alloca
53 and the one written in C should be used instead.
54 Define HAVE_ALLOCA to say that the system provides a properly
55 working alloca function and it should be used.
56 Define neither one if an assembler-language alloca
57 in the file alloca.s should be used. */
61 #define DATA_START 0x10000000
63 /* The text segment always starts at a fixed address.
64 This way we don't need to have a label _start defined. */
67 /* Taking a pointer to a char casting it as int pointer */
68 /* and then taking the int which the int pointer points to */
69 /* is practically guaranteed to give erroneous results */
75 /* Special switches to give the C compiler. */
78 #define C_SWITCH_MACHINE "-Dalloca=_Alloca"
81 /* XEmacs addition: */
82 /* Under Mach at least, gcc doesn't seem to work as the linker. */
84 #define START_FILES "pre-crt0.o"
90 /* Don't attempt to relabel some of the data as text when dumping.
91 It does not work because their virtual addresses are not consecutive.
92 This enables us to use the standard crt0.o. */
96 /* Use the bitmap files that come with Emacs. */
97 #define EMACS_BITMAP_FILES