1/* Definitions for virtual tail call frames unwinder for GDB.
2
3   Copyright (C) 2010-2020 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
23struct frame_info;
24struct frame_unwind;
25
26/* The tail call frame unwinder.  */
27
28extern void
29  dwarf2_tailcall_sniffer_first (struct frame_info *this_frame,
30				 void **tailcall_cachep,
31				 const LONGEST *entry_cfa_sp_offsetp);
32
33extern struct value *
34  dwarf2_tailcall_prev_register_first (struct frame_info *this_frame,
35				       void **tailcall_cachep, int regnum);
36
37extern const struct frame_unwind dwarf2_tailcall_frame_unwind;
38
39#endif /* !DWARF2_FRAME_TAILCALL_H */
40