Class RarVM

java.lang.Object

com.github.junrar.unpack.vm.BitInput

com.github.junrar.unpack.vm.RarVM

public class RarVM
extends BitInput

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Version:

$LastChangedRevision$

Field Summary

Fields

Modifier and Type	Field	Description
private int	codeSize
private int	flags
private int	IP
private int	maxOpCount
private byte[]	mem
private final int[]	R
private static final int	regCount
private static final long	UINT_MASK
static final int	VM_FIXEDGLOBALSIZE
static final int	VM_GLOBALMEMADDR
static final int	VM_GLOBALMEMSIZE
static final int	VM_MEMMASK
static final int	VM_MEMSIZE

Fields inherited from class BitInput

inAddr, inBit, inBuf, MAX_SIZE

Constructor Summary

Constructors

Constructor	Description
RarVM()

Method Summary

Modifier and Type	Method	Description
private void	decodeArg(VMPreparedOperand op, boolean byteMode)
void	execute(VMPreparedProgram prg)
private boolean	ExecuteCode(List<VMPreparedCommand> preparedCode, int cmdCount)
private void	ExecuteStandardFilter(VMStandardFilters filterType)
private int	filterItanium_GetBits(int curPos, int bitPos, int bitCount)
private void	filterItanium_SetBits(int curPos, int bitField, int bitPos, int bitCount)
byte[]	getMem()
private int	getOperand(VMPreparedOperand cmdOp)
private int	getValue(boolean byteMode, byte[] mem, int offset)
void	init()
private VMStandardFilters	IsStandardFilter(byte[] code, int codeSize)
private boolean	isVMMem(byte[] mem)
private void	optimize(VMPreparedProgram prg)
void	prepare(byte[] code, int codeSize, VMPreparedProgram prg)
static int	ReadData(BitInput rarVM)
private boolean	setIP(int ip)
void	setLowEndianValue(byte[] mem, int offset, int value)
void	setLowEndianValue(Vector<Byte> mem, int offset, int value)
void	setMemory(int pos, byte[] data, int offset, int dataSize)
private void	setValue(boolean byteMode, byte[] mem, int offset, int value)

Methods inherited from class BitInput

addbits, faddbits, fgetbits, getbits, getInBuf, InitBitInput, Overflow

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

VM_MEMSIZE

public static final int VM_MEMSIZE

See Also:

• Constant Field Values

VM_MEMMASK

public static final int VM_MEMMASK

See Also:

• Constant Field Values

VM_GLOBALMEMADDR

public static final int VM_GLOBALMEMADDR

See Also:

• Constant Field Values

VM_GLOBALMEMSIZE

public static final int VM_GLOBALMEMSIZE

See Also:

• Constant Field Values

VM_FIXEDGLOBALSIZE

public static final int VM_FIXEDGLOBALSIZE

See Also:

• Constant Field Values

regCount

private static final int regCount

See Also:

• Constant Field Values

UINT_MASK

private static final long UINT_MASK

See Also:

• Constant Field Values

mem

private byte[] mem

R

private final int[] R

flags

private int flags

maxOpCount

private int maxOpCount

codeSize

private int codeSize

IP

private int IP

Constructor Details

RarVM

public RarVM()

Method Details

init

public void init()

isVMMem

private boolean isVMMem(byte[] mem)

getValue

private int getValue(boolean byteMode,
 byte[] mem,
 int offset)

setValue

private void setValue(boolean byteMode,
 byte[] mem,
 int offset,
 int value)

setLowEndianValue

public void setLowEndianValue(byte[] mem,
 int offset,
 int value)

setLowEndianValue

public void setLowEndianValue(Vector<Byte> mem,
 int offset,
 int value)

getOperand

private int getOperand(VMPreparedOperand cmdOp)

execute

public void execute(VMPreparedProgram prg)

getMem

public byte[] getMem()

setIP

private boolean setIP(int ip)

ExecuteCode

private boolean ExecuteCode(List<VMPreparedCommand> preparedCode,
 int cmdCount)

prepare

public void prepare(byte[] code,
 int codeSize,
 VMPreparedProgram prg)

decodeArg

private void decodeArg(VMPreparedOperand op,
 boolean byteMode)

optimize

private void optimize(VMPreparedProgram prg)

ReadData

public static int ReadData(BitInput rarVM)

IsStandardFilter

private VMStandardFilters IsStandardFilter(byte[] code,
 int codeSize)

ExecuteStandardFilter

private void ExecuteStandardFilter(VMStandardFilters filterType)

filterItanium_SetBits

private void filterItanium_SetBits(int curPos,
 int bitField,
 int bitPos,
 int bitCount)

filterItanium_GetBits

private int filterItanium_GetBits(int curPos,
 int bitPos,
 int bitCount)

setMemory

public void setMemory(int pos,
 byte[] data,
 int offset,
 int dataSize)