1/* Code dealing with register stack frames, for GDB, the GNU debugger.
2
3   Copyright 2003 Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
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.
11
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.
16
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.  */
21
22#if !defined (SENTINEL_FRAME_H)
23#define SENTINEL_FRAME_H 1
24
25struct frame_unwind;
26struct regcache;
27
28/* Implement the sentinel frame.  The sentinel frame terminates the
29   inner most end of the frame chain.  If unwound, it returns the
30   information need to construct an inner-most frame.  */
31
32/* Pump prime the sentinel frame's cache.  Since this needs the
33   REGCACHE provide that here.  */
34
35extern void *sentinel_frame_cache (struct regcache *regcache);
36
37/* At present there is only one type of sentinel frame.  */
38
39extern const struct frame_unwind *const sentinel_frame_unwind;
40
41#endif /* !defined (SENTINEL_FRAME_H)  */
42