Package ghidra.app.plugin.processors.sleigh.expression

Class TokenField

java.lang.Object

ghidra.app.plugin.processors.sleigh.expression.PatternExpression

ghidra.app.plugin.processors.sleigh.expression.PatternValue

ghidra.app.plugin.processors.sleigh.expression.TokenField

public class TokenField
extends PatternValue

A contiguous set of bits within instruction stream, interpreted as an integer value

Constructor Summary

Constructors

Constructor	Description
TokenField()

Method Summary

Modifier and Type	Method	Description
static long	byteSwap(long val, int size)	Swap the least sig -size- bytes in -val-
boolean	equals(java.lang.Object obj)
int	getBitEnd()
int	getBitStart()
int	getByteEnd()
int	getByteStart()
int	getShift()
long	getValue(ParserWalker walker)
int	hashCode()
boolean	hasSignbit()
boolean	isBigEndian()
long	maxValue()
long	minValue()
void	restoreXml(XmlPullParser parser, SleighLanguage lang)
static long	signExtend(long val, int bit)	Sign extend -val- above -bit-
java.lang.String	toString()
static long	zeroExtend(long val, int bit)	Clear all bits in -val- above -bit-

Methods inherited from class ghidra.app.plugin.processors.sleigh.expression.PatternExpression

restoreExpression

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

TokenField

public TokenField()

Method Detail

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

minValue

public long minValue()

Specified by:

minValue in class PatternValue

maxValue

public long maxValue()

Specified by:

maxValue in class PatternValue

getValue

public long getValue(ParserWalker walker)
              throws MemoryAccessException

Specified by:

getValue in class PatternExpression

Throws:

MemoryAccessException

getBitStart

public int getBitStart()

getBitEnd

public int getBitEnd()

getByteStart

public int getByteStart()

getByteEnd

public int getByteEnd()

restoreXml

public void restoreXml(XmlPullParser parser,
                       SleighLanguage lang)

Specified by:

restoreXml in class PatternExpression

hasSignbit

public boolean hasSignbit()

signExtend

public static long signExtend(long val,
                              int bit)

Sign extend -val- above -bit-

Parameters:

val - value to extend

bit - bit specifying sign

Returns:

zeroExtend

public static long zeroExtend(long val,
                              int bit)

Clear all bits in -val- above -bit-

Parameters:

val - value to zero extend

bit - bit above which to zero extend

Returns:

byteSwap

public static long byteSwap(long val,
                            int size)

Swap the least sig -size- bytes in -val-

Parameters:

val - value to be byte swapped

size - number of bytes involved in swap

Returns:

isBigEndian

public boolean isBigEndian()

getShift

public int getShift()

toString

public java.lang.String toString()

Specified by:

toString in class PatternExpression