Package ghidra.app.plugin.processors.sleigh.pattern

Class PatternBlock

java.lang.Object

ghidra.app.plugin.processors.sleigh.pattern.PatternBlock

public class PatternBlock
extends Object

A mask/value pair viewed as two bitstreams

Field Summary

Fields

Modifier and Type	Field	Description
protected static final int	LEFT_BYTE
protected static final int	SHAMT

Constructor Summary

Constructors

Constructor	Description
PatternBlock(boolean tf)
PatternBlock(int off, int msk, int val)
PatternBlock(PatternBlock a, PatternBlock b)
PatternBlock(ArrayList<?> list)

Method Summary

Modifier and Type	Method	Description
boolean	alwaysFalse()
boolean	alwaysTrue()
PatternBlock	andBlock(PatternBlock b)
Object	clone()
void	decode(Decoder decoder)
int	getLength()
int	getMask(int startbit, int size)
int[]	getMaskVector()
int	getNonZeroLength()
int	getOffset()
int	getValue(int startbit, int size)
int[]	getValueVector()
byte[]	getWholeBytes()	Extract those portions of the pattern which constitute fully-specified bytes
boolean	identical(PatternBlock op2)
boolean	isContextMatch(ParserWalker walker)
boolean	isInstructionMatch(ParserWalker walker)
void	shift(int sa)
boolean	specializes(PatternBlock op2)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

SHAMT

protected static final int SHAMT

See Also:

• Constant Field Values

LEFT_BYTE

protected static final int LEFT_BYTE

See Also:

• Constant Field Values

Constructor Details

PatternBlock

public PatternBlock(int off,
 int msk,
 int val)

PatternBlock

public PatternBlock(boolean tf)

PatternBlock

public PatternBlock(PatternBlock a,
 PatternBlock b)

PatternBlock

public PatternBlock(ArrayList<?> list)

Method Details

getMaskVector

public int[] getMaskVector()

getValueVector

public int[] getValueVector()

clone

public Object clone()

Overrides:

clone in class Object

andBlock

public PatternBlock andBlock(PatternBlock b)

specializes

public boolean specializes(PatternBlock op2)

identical

public boolean identical(PatternBlock op2)

shift

public void shift(int sa)

getLength

public int getLength()

getMask

public int getMask(int startbit,
 int size)

getValue

public int getValue(int startbit,
 int size)

alwaysTrue

public boolean alwaysTrue()

alwaysFalse

public boolean alwaysFalse()

isInstructionMatch

public boolean isInstructionMatch(ParserWalker walker)

isContextMatch

public boolean isContextMatch(ParserWalker walker)

decode

public void decode(Decoder decoder)
            throws DecoderException

Throws:

DecoderException

toString

public String toString()

Overrides:

toString in class Object

getOffset

public int getOffset()

getNonZeroLength

public int getNonZeroLength()

getWholeBytes

public byte[] getWholeBytes()

Extract those portions of the pattern which constitute fully-specified bytes

Returns:

an array of bytes