/* Chrysalide - Outil d'analyse de fichiers binaires
 * register-int.h - définitions internes pour la représentation générique d'un registre
 *
 * Copyright (C) 2018 Cyrille Bagard
 *
 *  This file is part of Chrysalide.
 *
 *  Chrysalide 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.
 *
 *  Chrysalide 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 Chrysalide.  If not, see <http://www.gnu.org/licenses/>.
 */


#ifndef _ARCH_OPERANDS_REGISTER_INT_H
#define _ARCH_OPERANDS_REGISTER_INT_H


#include "register.h"


#include "../operand-int.h"
#include "../../glibext/objhole.h"



/* Informations glissées dans la structure GObject de GArchInstruction */
typedef union _regop_obj_extra
{
    struct
    {
        bool is_written;                    /* Changement de contenu       */

    };

    gint lock;                              /* Gestion d'accès aux fanions */

} regop_obj_extra;

/* Définition d'un opérande visant un registre (instance) */
struct _GRegisterOperand
{
    GArchOperand parent;                    /* Instance parente            */

    GArchRegister *reg;                     /* Registre représenté         */

#if __SIZEOF_INT__ == __SIZEOF_LONG__

    /**
     * L'inclusion des informations suivantes dépend de l'architecture.
     *
     * Si la structure GObject possède un trou, on remplit de préférence
     * ce dernier.
     */

    regop_obj_extra extra;                  /* Externalisation embarquée   */

#endif

};

/**
 * Accès aux informations éventuellement déportées.
 */

#if __SIZEOF_INT__ == __SIZEOF_LONG__

#   define INIT_REG_OP_EXTRA(op) op->extra.lock = 0

#   define GET_REG_OP_EXTRA(op) &op->extra

#else

#   define INIT_REG_OP_EXTRA(op) INIT_GOBJECT_EXTRA(G_OBJECT(op))

#   define GET_REG_OP_EXTRA(op) GET_GOBJECT_EXTRA(G_OBJECT(op), regop_obj_extra)

#endif

/* Définition d'un opérande visant un registre (classe) */
struct _GRegisterOperandClass
{
    GArchOperandClass parent;               /* Classe parente              */

};



#endif  /* _ARCH_OPERANDS_REGISTER_INT_H */