[deliverable/binutils-gdb.git] / gdb / regset.h

/* 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 */
Commit	Line	Data
	1	/* Manage register sets.
	2
	3	Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
	4	Free Software Foundation, Inc.
	5
	6	This file is part of GDB.
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 3 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	20
	21	#ifndef REGSET_H
	22	#define REGSET_H 1
	23
	24	struct gdbarch;
	25	struct regcache;
	26
	27	/* Data structure for the supported register notes in a core file. */
	28	struct core_regset_section
	29	{
	30	const char *sect_name;
	31	int size;
	32	const char *human_name;
	33	};
	34
	35	/* Data structure describing a register set. */
	36
	37	typedef void (supply_regset_ftype) (const struct regset , struct regcache ,
	38	int, const void *, size_t);
	39	typedef void (collect_regset_ftype) (const struct regset *,
	40	const struct regcache *,
	41	int, void *, size_t);
	42
	43	struct regset
	44	{
	45	/* Data pointer for private use by the methods below, presumably
	46	providing some sort of description of the register set. */
	47	const void *descr;
	48
	49	/* Function supplying values in a register set to a register cache. */
	50	supply_regset_ftype *supply_regset;
	51
	52	/* Function collecting values in a register set from a register cache. */
	53	collect_regset_ftype *collect_regset;
	54
	55	/* Architecture associated with the register set. */
	56	struct gdbarch *arch;
	57	};
	58
	59	/* Allocate a fresh 'struct regset' whose supply_regset function is
	60	SUPPLY_REGSET, and whose collect_regset function is COLLECT_REGSET.
	61	If the regset has no collect_regset function, pass NULL for
	62	COLLECT_REGSET.
	63
	64	The object returned is allocated on ARCH's obstack. */
	65
	66	extern struct regset regset_alloc (struct gdbarch arch,
	67	supply_regset_ftype *supply_regset,
	68	collect_regset_ftype *collect_regset);
	69
	70	#endif /* regset.h */