1/* Generic GNU/Linux target using traditional ptrace register access.
2
3   Copyright (C) 2000-2020 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 LINUX_NAT_TRAD_H
21#define LINUX_NAT_TRAD_H
22
23#include "linux-nat.h"
24
25/* A prototype GNU/Linux target using traditional ptrace register
26   access.  A concrete type should override REGISTER_U_OFFSET.  */
27
28class linux_nat_trad_target : public linux_nat_target
29{
30public:
31  void fetch_registers (struct regcache *, int) override;
32  void store_registers (struct regcache *, int) override;
33
34protected:
35  /* Return the offset within the user area where a particular
36     register is stored.  */
37  virtual CORE_ADDR register_u_offset (struct gdbarch *gdbarch,
38				       int regnum, int store) = 0;
39
40private:
41  /* Helpers.  See definition.  */
42  void fetch_register (struct regcache *regcache, int regnum);
43  void store_register (const struct regcache *regcache, int regnum);
44};
45
46#endif /* LINUX_NAT_TRAD_H */
47