jef.dna.instructions
Class BCOperations

java.lang.Object
  jef.dna.instructions.BCOperations

public class BCOperations
extends java.lang.Object

BCOperations: ByteCodeOperations

Author:

ggiovanzana

Field Summary

protected static Logger	logger Logger
static int	MASK_16 Bit mask used to exstrac a byte value from an int value.
static int	SHIFT_8 Position to shift.

Constructor Summary

BCOperations()
Creates a new instance of BCOperations

Method Summary

static int	applyOffset16(int[] byteCode, int offset) Computes new values of indexbyte1 and indexbyte2 after offset application.
static int	applyOffset8(int[] byteCode, int offset) Computes new values of index with offset application.

Methods inherited from class java.lang.Object

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

Field Detail

MASK_16

public static final int MASK_16

Bit mask used to exstrac a byte value from an int value.

See Also:

Constant Field Values

SHIFT_8

public static final int SHIFT_8

Position to shift.

See Also:

Constant Field Values

logger

protected static Logger logger

Logger

Constructor Detail

BCOperations

public BCOperations()

Creates a new instance of BCOperations

Method Detail

applyOffset8

public static int applyOffset8(int[] byteCode,
                               int offset)

Computes new values of index with offset application.

Parameters:

byteCode - The bytecode

offset - The offset to apply to all the bytecode references to constant pool table entries

Returns:

int Number of processed bytes.

applyOffset16

public static int applyOffset16(int[] byteCode,
                                int offset)

Computes new values of indexbyte1 and indexbyte2 after offset application.

Parameters:

byteCode - The bytecode to modify

offset - The offset to be applied to all the bytecode references to constant pool table entries

Returns:

int Number of processed bytes.