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/* Interface for functions using gregset and fpregset types.
   Copyright (C) 2000, 2002, 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 GREGSET_H
#define GREGSET_H
 
#ifndef GDB_GREGSET_T
#define GDB_GREGSET_T gregset_t
#endif
 
#ifndef GDB_FPREGSET_T
#define GDB_FPREGSET_T fpregset_t
#endif
 
typedef GDB_GREGSET_T gdb_gregset_t;
typedef GDB_FPREGSET_T gdb_fpregset_t;
 
struct regcache;
 
/* A gregset is a data structure supplied by the native OS containing
   the general register values of the debugged process.  Usually this
   includes integer registers and control registers.  An fpregset is a
   data structure containing the floating point registers.  These data
   structures were originally a part of the /proc interface, but have
   been borrowed or copied by other GDB targets, eg. GNU/Linux.  */
 
/* Copy register values from the native target gregset/fpregset
   into GDB's internal register cache.  */
 
extern void supply_gregset (struct regcache *regcache,
			    const gdb_gregset_t *gregs);
extern void supply_fpregset (struct regcache *regcache,
			     const gdb_fpregset_t *fpregs);
 
/* Copy register values from GDB's register cache into
   the native target gregset/fpregset.  If regno is -1, 
   copy all the registers.  */
 
extern void fill_gregset (const struct regcache *regcache,
			  gdb_gregset_t *gregs, int regno);
extern void fill_fpregset (const struct regcache *regcache,
			   gdb_fpregset_t *fpregs, int regno);
 
#ifdef FILL_FPXREGSET
/* GNU/Linux i386: Copy register values between GDB's internal register cache
   and the i386 extended floating point registers.  */
 
#ifndef GDB_FPXREGSET_T
#define GDB_FPXREGSET_T elf_fpxregset_t
#endif
 
typedef GDB_FPXREGSET_T gdb_fpxregset_t;
 
extern void supply_fpxregset (struct regcache *regcache,
			      const gdb_fpxregset_t *fpxregs);
extern void fill_fpxregset (const struct regcache *regcache,
			    gdb_fpxregset_t *fpxregs, int regno);
#endif
 
#endif