1 /* Definitions for virtual tail call frames unwinder for GDB.
2 
3    Copyright (C) 2010-2013 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 3 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, see <http://www.gnu.org/licenses/>.  */
19 
20 #ifndef DWARF2_FRAME_TAILCALL_H
21 #define DWARF2_FRAME_TAILCALL_H 1
22 
23 struct frame_info;
24 struct frame_unwind;
25 
26 /* The tail call frame unwinder.  */
27 
28 extern void
29   dwarf2_tailcall_sniffer_first (struct frame_info *this_frame,
30 				 void **tailcall_cachep,
31 				 const LONGEST *entry_cfa_sp_offsetp);
32 
33 extern struct value *
34   dwarf2_tailcall_prev_register_first (struct frame_info *this_frame,
35 				       void **tailcall_cachep, int regnum);
36 
37 extern const struct frame_unwind dwarf2_tailcall_frame_unwind;
38 
39 #endif /* !DWARF2_FRAME_TAILCALL_H */
40