1/* Generic remote debugging interface for simulators.
2
3   Copyright 2002 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 2 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, write to the Free Software
21   Foundation, Inc., 59 Temple Place - Suite 330,
22   Boston, MA 02111-1307, USA.  */
23
24#ifndef SIM_REGNO_H
25#define SIM_REGNO_H
26
27/* The REGISTER_SIM_REGNO(REGNUM) method, when there is a
28   corresponding simulator register, returns that register number as a
29   cardinal.  When there is no corresponding register, it returns a
30   negative value.  */
31
32enum sim_regno {
33  /* Normal sane architecture.  The simulator is known to not model
34     this register.  */
35  SIM_REGNO_DOES_NOT_EXIST = -1,
36  /* For possible backward compatibility.  The register cache doesn't
37     have a corresponding name.  Skip the register entirely.  */
38  LEGACY_SIM_REGNO_IGNORE = -2
39};
40
41/* Treat all raw registers as valid.  */
42
43extern int one2one_register_sim_regno (int regnum);
44
45#endif
46