1 /* Code dealing with register stack frames, for GDB, the GNU debugger.
2 
3    Copyright (C) 2003, 2007, 2008, 2009, 2010, 2011
4    Free Software Foundation, Inc.
5 
6    This file is part of GDB.
7 
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3 of the License, or
11    (at your option) any later version.
12 
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17 
18    You should have received a copy of the GNU General Public License
19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
20 
21 #if !defined (SENTINEL_FRAME_H)
22 #define SENTINEL_FRAME_H 1
23 
24 struct frame_unwind;
25 struct regcache;
26 
27 /* Implement the sentinel frame.  The sentinel frame terminates the
28    inner most end of the frame chain.  If unwound, it returns the
29    information need to construct an inner-most frame.  */
30 
31 /* Pump prime the sentinel frame's cache.  Since this needs the
32    REGCACHE provide that here.  */
33 
34 extern void *sentinel_frame_cache (struct regcache *regcache);
35 
36 /* At present there is only one type of sentinel frame.  */
37 
38 extern const struct frame_unwind sentinel_frame_unwind;
39 
40 #endif /* !defined (SENTINEL_FRAME_H)  */
41