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1/* Code dealing with register stack frames, for GDB, the GNU debugger.
2
6aba47ca 3 Copyright (C) 2003, 2007 Free Software Foundation, Inc.
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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
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19 Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
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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) */