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0dc7e4aa | 1 | /* Machine description file for generic Motorola 68k. |
429ab54e GM |
2 | Copyright (C) 1985, 1995, 2001, 2002, 2003, 2004, |
3 | 2005, 2006, 2007 Free Software Foundation, Inc. | |
0dc7e4aa RS |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4a9f99bd | 9 | the Free Software Foundation; either version 3, or (at your option) |
0dc7e4aa RS |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
364c38d3 LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
0dc7e4aa RS |
21 | |
22 | ||
23 | /* The following three symbols give information on | |
24 | the size of various data types. */ | |
25 | ||
26 | ||
27 | /* Define WORDS_BIG_ENDIAN iff lowest-numbered byte in a word | |
28 | is the most significant byte. */ | |
29 | ||
30 | #define WORDS_BIG_ENDIAN | |
31 | ||
32 | /* Define NO_ARG_ARRAY if you cannot take the address of the first of a | |
33 | * group of arguments and treat it as an array of the arguments. */ | |
34 | ||
35 | /* #define NO_ARG_ARRAY */ | |
36 | ||
37 | /* Define WORD_MACHINE if addresses and such have | |
38 | * to be corrected before they can be used as byte counts. */ | |
39 | ||
40 | /* #define WORD_MACHINE */ | |
41 | ||
42 | /* Now define a symbol for the cpu type, if your compiler | |
43 | does not define it automatically. */ | |
44 | ||
45 | #ifndef m68k | |
46 | #define m68k | |
47 | #endif | |
48 | ||
49 | /* Use type int rather than a union, to represent Lisp_Object */ | |
50 | /* This is desirable for most machines. */ | |
51 | ||
52 | #define NO_UNION_TYPE | |
53 | ||
54 | /* Define EXPLICIT_SIGN_EXTEND if XINT must explicitly sign-extend | |
55 | the 24-bit bit field into an int. In other words, if bit fields | |
56 | are always unsigned. | |
57 | ||
58 | If you use NO_UNION_TYPE, this flag does not matter. */ | |
59 | ||
60 | #define EXPLICIT_SIGN_EXTEND | |
61 | ||
62 | /* Define CANNOT_DUMP on machines where unexec does not work. | |
63 | Then the function dump-emacs will not be defined | |
64 | and temacs will do (load "loadup") automatically unless told otherwise. */ | |
65 | ||
66 | /* #define CANNOT_DUMP */ | |
67 | ||
68 | /* Define VIRT_ADDR_VARIES if the virtual addresses of | |
69 | pure and impure space as loaded can vary, and even their | |
70 | relative order cannot be relied on. | |
71 | ||
72 | Otherwise Emacs assumes that text space precedes data space, | |
73 | numerically. */ | |
74 | ||
75 | /* #define VIRT_ADDR_VARIES */ | |
76 | ||
77 | #ifdef linux | |
78 | #ifdef __ELF__ | |
79 | #define DATA_SEG_BITS 0x80000000 | |
80 | #endif | |
81 | ||
82 | #define NO_REMAP | |
83 | #define TEXT_START 0 | |
84 | #endif | |
ab5796a9 MB |
85 | |
86 | /* arch-tag: 4eadd161-b4e8-4b82-82a1-e4ce7f42969d | |
87 | (do not change this comment) */ |