javadis.h

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/* 
 *      HT Editor
 *      javadis.h
 *
 *      Copyright (C) 1999-2002 Stefan Weyergraf (stefan@weyergraf.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 __JAVADIS_H__
#define __JAVADIS_H__

#include "asm.h"
#include "javaopc.h"

/* x86-specific styles */
//#define X86DIS_STYLE_EXPLICIT_MEMSIZE 0x00000001              /* IF SET: mov word ptr [0000], ax      ELSE: mov [0000], ax */
//#define X86DIS_STYLE_OPTIMIZE_ADDR            0x00000002              /* IF SET: mov [eax*3], ax                      ELSE: mov [eax+eax*2+00000000], ax */
/*#define X86DIS_STYLE_USE16                    0x00000004
#define X86DIS_STYLE_USE32                      0x00000008*/

#define JAVAINSN_MAX_PARAM_COUNT        2

struct javadis_insn {
        bool invalid;
        byte size;
        int opcode;
        bool wideopcode;
        char *name;
        java_insn_op op[JAVAINSN_MAX_PARAM_COUNT];
};

/*
 *      CLASS x86dis
 */

typedef int (*java_token_func)(char *result, int maxlen, dword token, void *context);

class javadis: public Disassembler {
protected:
        javadis_insn insn;
        char insnstr[1024];
/* initme! */
        unsigned char *codep, *ocodep;
        int addr;
        int maxlen;
        java_token_func token_func;
        void *context;
/* new */
                        void decode_insn(javaopc_insn *insn);
                        void decode_op(int optype, bool wideopc, java_insn_op *op);
                        byte getbyte();
                        word getword();
                        dword getdword();
                        void invalidate();
                        void str_format(char **str, char **format, char *p, char *n, char *op[3], int oplen[3], char stopchar, int print);
        virtual void str_op(char *opstr, int *opstrlen, javadis_insn *insn, java_insn_op *op);
public:
        javadis();
        javadis(java_token_func token_func, void *context);
        virtual ~javadis();

/* overwritten */
        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 char *getName();
        virtual byte getSize(dis_insn *disasm_insn);
                   int load(ht_object_stream *f);
        virtual OBJECT_ID object_id() const;
        virtual char *str(dis_insn *disasm_insn, int options);
        virtual char *strf(dis_insn *disasm_insn, int options, char *format);
        virtual void store(ht_object_stream *f);
        virtual bool validInsn(dis_insn *disasm_insn);
};

#endif /* __JAVADIS_H__ */

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