src/debug/ppcdis.h

/*
 *      HT Editor
 *      ppcdis.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 __PPC_DIS_H__
#define __PPC_DIS_H__

#include "system/types.h"
#include "asm.h"
#include "ppcopc.h"

struct ppcdis_operand {
        int flags;
        const powerpc_operand *op;
        union {
                int reg;    // general register
                int freg;   // float register
                int creg;   // condition register
                int vreg;   // vector register
                uint32 imm;
                struct {
                        uint32 disp;
                        int gr;
                } mem;
                struct {
                        uint32 mem;
                } abs;
                struct {
                        uint32 mem;
                } rel;
        };
};

struct ppcdis_insn {
        bool                            valid;
        int                             size;
        const char *            name;
        uint32                  data;
        int                             ops;
        ppcdis_operand          op[8];
};

class PPCDisassembler: public Disassembler {
protected:
        char insnstr[256];
        ppcdis_insn insn;
public:
                        PPCDisassembler();

        virtual dis_insn        *decode(const 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 char            *str(dis_insn *disasm_insn, int style);
        virtual char            *strf(dis_insn *disasm_insn, int style, char *format);
        virtual ObjectID        getObjectID() const;
        virtual bool            validInsn(dis_insn *disasm_insn);
};

#endif
1	dpavlin	1	/*
2			* HT Editor
3			* ppcdis.h
4			*
5			* Copyright (C) 1999-2002 Sebastian Biallas (sb@web-productions.de)
6			*
7			* This program is free software; you can redistribute it and/or modify
8			* it under the terms of the GNU General Public License version 2 as
9			* published by the Free Software Foundation.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19			*/
20
21			#ifndef __PPC_DIS_H__
22			#define __PPC_DIS_H__
23
24			#include "system/types.h"
25			#include "asm.h"
26			#include "ppcopc.h"
27
28			struct ppcdis_operand {
29			int flags;
30			const powerpc_operand *op;
31			union {
32			int reg; // general register
33			int freg; // float register
34			int creg; // condition register
35			int vreg; // vector register
36			uint32 imm;
37			struct {
38			uint32 disp;
39			int gr;
40			} mem;
41			struct {
42			uint32 mem;
43			} abs;
44			struct {
45			uint32 mem;
46			} rel;
47			};
48			};
49
50			struct ppcdis_insn {
51			bool valid;
52			int size;
53			const char * name;
54			uint32 data;
55			int ops;
56			ppcdis_operand op[8];
57			};
58
59			class PPCDisassembler: public Disassembler {
60			protected:
61			char insnstr[256];
62			ppcdis_insn insn;
63			public:
64			PPCDisassembler();
65
66			virtual dis_insn decode(const byte code, int maxlen, CPU_ADDR addr);
67			virtual dis_insn duplicateInsn(dis_insn disasm_insn);
68			virtual void getOpcodeMetrics(int &min_length, int &max_length, int &min_look_ahead, int &avg_look_ahead, int &addr_align);
69			virtual byte getSize(dis_insn *disasm_insn);
70			virtual char *getName();
71			virtual char str(dis_insn disasm_insn, int style);
72			virtual char strf(dis_insn disasm_insn, int style, char *format);
73			virtual ObjectID getObjectID() const;
74			virtual bool validInsn(dis_insn *disasm_insn);
75			};
76
77			#endif