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/* Manage register sets.

   Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef REGSET_H

#define REGSET_H 1

struct gdbarch;

struct regcache;

/* Data structure describing a register set.  */

typedef void (supply_regset_ftype) (const struct regset *, struct regcache *,

                                    int, const void *, size_t);

typedef void (collect_regset_ftype) (const struct regset *,

                                     const struct regcache *,

                                     int, void *, size_t);

struct regset

{

  /* Data pointer for private use by the methods below, presumably

     providing some sort of description of the register set.  */

  const void *descr;

  /* Function supplying values in a register set to a register cache.  */

  supply_regset_ftype *supply_regset;

  /* Function collecting values in a register set from a register cache.  */

  collect_regset_ftype *collect_regset;

  /* Architecture associated with the register set.  */

  struct gdbarch *arch;

};

/* Allocate a fresh 'struct regset' whose supply_regset function is

   SUPPLY_REGSET, and whose collect_regset function is COLLECT_REGSET.

   If the regset has no collect_regset function, pass NULL for

   COLLECT_REGSET.

   The object returned is allocated on ARCH's obstack.  */

extern struct regset *regset_alloc (struct gdbarch *arch,

                                    supply_regset_ftype *supply_regset,

                                    collect_regset_ftype *collect_regset);

#endif /* regset.h */