1/* Generic remote debugging interface for simulators.
2
3   Copyright (C) 2002, 2007 Free Software Foundation, Inc.
4
5   Contributed by Red Hat, Inc.
6
7   This file is part of GDB.
8
9   This program is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 3 of the License, or
12   (at your option) any later version.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
21
22#ifndef SIM_REGNO_H
23#define SIM_REGNO_H
24
25/* The gdbarch_register_sim_regno (REGNUM) method, when there is a
26   corresponding simulator register, returns that register number as a
27   cardinal.  When there is no corresponding register, it returns a
28   negative value.  */
29
30enum sim_regno {
31  /* Normal sane architecture.  The simulator is known to not model
32     this register.  */
33  SIM_REGNO_DOES_NOT_EXIST = -1,
34  /* For possible backward compatibility.  The register cache doesn't
35     have a corresponding name.  Skip the register entirely.  */
36  LEGACY_SIM_REGNO_IGNORE = -2
37};
38
39/* Treat all raw registers as valid.  */
40
41extern int one2one_register_sim_regno (int regnum);
42
43#endif
44