binutils-gdb/gdb/regset.h

64 lines
2.2 KiB
C

/* Manage register sets.
Copyright (C) 2003, 2004 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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#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 */