xref: /dragonfly/contrib/gdb-7/gdb/sim-regno.h (revision fb151170)
1 /* Generic remote debugging interface for simulators.
2 
3    Copyright (C) 2002, 2007, 2008, 2009, 2010, 2011
4    Free Software Foundation, Inc.
5 
6    Contributed by Red Hat, Inc.
7 
8    This file is part of GDB.
9 
10    This program is free software; you can redistribute it and/or modify
11    it under the terms of the GNU General Public License as published by
12    the Free Software Foundation; either version 3 of the License, or
13    (at your option) any later version.
14 
15    This program is distributed in the hope that it will be useful,
16    but WITHOUT ANY WARRANTY; without even the implied warranty of
17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18    GNU General Public License for more details.
19 
20    You should have received a copy of the GNU General Public License
21    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
22 
23 #ifndef SIM_REGNO_H
24 #define SIM_REGNO_H
25 
26 /* The gdbarch_register_sim_regno (REGNUM) method, when there is a
27    corresponding simulator register, returns that register number as a
28    cardinal.  When there is no corresponding register, it returns a
29    negative value.  */
30 
31 enum sim_regno {
32   /* Normal sane architecture.  The simulator is known to not model
33      this register.  */
34   SIM_REGNO_DOES_NOT_EXIST = -1,
35   /* For possible backward compatibility.  The register cache doesn't
36      have a corresponding name.  Skip the register entirely.  */
37   LEGACY_SIM_REGNO_IGNORE = -2
38 };
39 
40 /* Treat all raw registers as valid.  */
41 
42 extern int one2one_register_sim_regno (struct gdbarch *gdbarch, int regnum);
43 
44 #endif
45