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1 | /* Macro definitions for a sun 3 running os 4. |
2 | Copyright (C) 1989, Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GDB. | |
5 | ||
6 | This program 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 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program 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 this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ | |
19 | ||
20 | #include "m68k/xm-sun3.h" | |
21 | #define FPU | |
22 | ||
23 | /* Large alloca's fail because the attempt to increase the stack limit in | |
24 | main() fails because shared libraries are allocated just below the initial | |
25 | stack limit. The SunOS kernel will not allow the stack to grow into | |
26 | the area occupied by the shared libraries. Sun knows about this bug | |
27 | but has no obvious fix for it. */ | |
28 | #define BROKEN_LARGE_ALLOCA | |
29 | ||
30 | /* SunOS 4.x has memory mapped files. */ | |
31 | ||
32 | #define HAVE_MMAP | |
33 | ||
34 | /* If you expect to use the mmalloc package to obtain mapped symbol files, | |
35 | for now you have to specify some parameters that determine how gdb places | |
36 | the mappings in it's address space. See the comments in map_to_address() | |
37 | for details. This is expected to only be a short term solution. Yes it | |
38 | is a kludge. | |
39 | FIXME: Make this more automatic. */ | |
40 | ||
41 | #define MMAP_BASE_ADDRESS 0xE0000000 /* First mapping here */ | |
42 | #define MMAP_INCREMENT 0x01000000 /* Increment to next mapping */ | |
43 | ||
44 | /* Prevent type conflicts between yacc malloc decls and defs.h */ | |
45 | #define MALLOC_INCOMPATIBLE | |
46 | extern char *malloc(); | |
47 | extern char *realloc(); | |
48 | extern void free(); |