/*
 *  Copyright (C) 2013-2024 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
 *  Copyright (C) 2008-2013 Sourcefire, Inc.
 *
 *  Authors: aCaB <acab@clamav.net>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 2 as
 *  published by the Free Software Foundation.
 *
 *  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 __DISASMPRIV_H
#define __DISASMPRIV_H

#include "disasm-common.h"

enum DIS_STATE {
    STATE_GETOP,
    STATE_CHECKDTYPE,
    STATE_CHECKSTYPE,
    STATE_DECODEX87,
    STATE_FINALIZE,
    STATE_COMPLETE,
    STATE_ERROR
};

struct DIS_ARGS {
    enum DIS_ACCESS access;
    enum DIS_SIZE size;
    enum X86REGS reg;
    union {
        uint8_t b;
        int8_t rb;
        uint16_t w;
        int16_t rw;
        uint32_t d;
        int32_t rd;
        /*    uint48_t f; FIXME */
        uint64_t q;
        int64_t rq;
        struct {
            enum X86REGS r1; /* scaled */
            enum X86REGS r2; /* added */
            uint8_t scale;   /* r1 multiplier */
            int32_t disp;
        } marg;
    } arg;
};

/* FIXME: pack this thing and make macroes to access it in different compilers */
struct DISASMED {
    uint16_t table_op;
    uint16_t real_op;
    enum DIS_STATE state;
    uint32_t opsize;
    uint32_t adsize;
    uint32_t segment;
    uint8_t cur;
    struct DIS_ARGS args[3];
};

#endif
