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c906108c | 1 | /* Macro definitions for i386 running under BSD Unix. |
b6ba6518 KB |
2 | Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996 |
3 | Free Software Foundation, Inc. | |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program 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. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #ifndef TM_I386BSD_H | |
23 | #define TM_I386BSD_H 1 | |
24 | ||
25 | #include "i386/tm-i386.h" | |
26 | ||
27 | /* 386BSD cannot handle the segment registers. */ | |
28 | /* BSDI can't handle them either. */ | |
29 | ||
30 | #undef NUM_REGS | |
31 | #define NUM_REGS 10 | |
32 | ||
33 | /* On 386 bsd, sigtramp is above the user stack and immediately below | |
34 | the user area. Using constants here allows for cross debugging. | |
35 | These are tested for BSDI but should work on 386BSD. */ | |
36 | ||
37 | #define SIGTRAMP_START(pc) 0xfdbfdfc0 | |
38 | #define SIGTRAMP_END(pc) 0xfdbfe000 | |
39 | ||
40 | /* Saved Pc. Get it from sigcontext if within sigtramp. */ | |
41 | ||
42 | /* Offset to saved PC in sigcontext, from <sys/signal.h>. */ | |
43 | #define SIGCONTEXT_PC_OFFSET 20 | |
44 | ||
c5aa993b | 45 | #endif /* ifndef TM_I386BSD_H */ |