ia64dis.h

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/*
 *      HT Editor
 *      ia64dis.h
 *
 *      Copyright (C) 1999-2002 Sebastian Biallas (sb@web-productions.de)
 *
 *      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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#ifndef IA64DIS_H
#define IA64DIS_H

#include "asm.h"
#include "global.h"
#include "ia64opc.h"

#define IA64_OPERAND_NO 0
#define IA64_OPERAND_EQUALS 1
#define IA64_OPERAND_1 2
#define IA64_OPERAND_REG 3
#define IA64_OPERAND_AREG 4
#define IA64_OPERAND_BREG 5
#define IA64_OPERAND_FREG 6
#define IA64_OPERAND_PREG 7
#define IA64_OPERAND_AR_PFS 8
#define IA64_OPERAND_AR_CCV 9
#define IA64_OPERAND_MEM_REG 10
#define IA64_OPERAND_IMM 11
#define IA64_OPERAND_ADDRESS 12
#define IA64_OPERAND_REG_FILE 13
#define IA64_OPERAND_PRALL 14
#define IA64_OPERAND_PRROT 15
#define IA64_OPERAND_IP 16

struct IA64Op {
        int type;
        union {
                int reg;
                qword imm;
                qword ofs;
                struct {
                        int db;
                        int idx;
                } regfile;
        };
};

struct IA64SlotDisInsn {
        bool                            valid;
        int                             next;
        qword                   data;
        dword                   qp;
        IA64OpcodeEntry *opcode;
        IA64Op                  op[7];
};

struct IA64DisInsn {
        bool                            valid;
        int                             size;
        byte                            data[16];
        IA64Template            *tmplt;
        byte                            tmplt_idx;       /* template bits */

        int                             selected;
        IA64SlotDisInsn slot[3];
};

/*
 *      CLASS alphadis
 */

class IA64Disassembler: public Disassembler {
protected:
        CPU_ADDR cpu_addr;
        char insnstr[256];
        IA64DisInsn     insn;
public:
                        IA64Disassembler();
        virtual ~IA64Disassembler();

        virtual dis_insn        *decode(byte *code, int maxlen, CPU_ADDR addr);
        virtual dis_insn        *duplicateInsn(dis_insn *disasm_insn);
        virtual void            getOpcodeMetrics(int &min_length, int &max_length, int &min_look_ahead, int &avg_look_ahead, int &addr_align);
        virtual byte            getSize(dis_insn *disasm_insn);
        virtual char            *getName();
        virtual bool            selectNext(dis_insn *disasm_insn);
        virtual char            *str(dis_insn *disasm_insn, int style);
        virtual char            *strf(dis_insn *disasm_insn, int style, char *format);
        virtual OBJECT_ID object_id() const;
        virtual bool            validInsn(dis_insn *disasm_insn);
private:
                        void            decodeSlot(int slot_nb);
                        qword   signExtend(qword a, int length);
};
                                                                
#endif 

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