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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [regset.h] - Rev 387

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/* Manage register sets.
 
   Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
   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 for the supported register notes in a core file.  */
struct core_regset_section
{
  const char *sect_name;
  int size;
  const char *human_name;
};
 
/* 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 */
 

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