1 /* Macro definitions for i386 running under BSD Unix.
2 Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996
3 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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. */
23 #define TM_I386BSD_H 1
25 #include "i386/tm-i386.h"
27 /* 386BSD cannot handle the segment registers. */
28 /* BSDI can't handle them either. */
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. */
37 #define SIGTRAMP_START(pc) 0xfdbfdfc0
38 #define SIGTRAMP_END(pc) 0xfdbfe000
40 /* Saved Pc. Get it from sigcontext if within sigtramp. */
42 /* Offset to saved PC in sigcontext, from <sys/signal.h>. */
43 #define SIGCONTEXT_PC_OFFSET 20
45 #endif /* ifndef TM_I386BSD_H */
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