Package ghidra.pcode.memstate

Class UniqueMemoryBank.WordInfo

java.lang.Object

ghidra.pcode.memstate.UniqueMemoryBank.WordInfo

Enclosing class:

UniqueMemoryBank

public static class UniqueMemoryBank.WordInfo
extends Object

A simple class representing a byte-addressable word of memory. Each byte can be either initialized to a byte value or uninitialized. It is an error to attempt to read an uninitialized byte.

Field Summary

Fields

Modifier and Type	Field	Description
byte	initialized
long	word

Constructor Summary

Constructors

Constructor	Description
WordInfo()	Constructs a UniqueMemoryBank.WordInfo object with all bytes uninitialized.

Method Summary

Modifier and Type	Method	Description
byte	getByte(int index)	Returns the byte at the given index
void	getWord(byte[] buffer)	Writes an entire word into buffer
protected boolean	isEntireWordInitialized()	Returns true precisely when the entire word is initialized.
void	setByte(byte val, int index)	Initializes the byte at index and sets its value to val

Methods inherited from class java.lang.Object

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

Field Details

initialized

public byte initialized

word

public long word

Constructor Details

WordInfo

public WordInfo()

Constructs a UniqueMemoryBank.WordInfo object with all bytes uninitialized.

Method Details

setByte

public void setByte(byte val,
 int index)

Initializes the byte at index and sets its value to val

Parameters:

val - new value

index - index

Throws:

LowlevelError - if the index is invalid

getByte

public byte getByte(int index)

Returns the byte at the given index

Parameters:

index - index

Returns:

corresponding byte value

Throws:

LowlevelError - if the index is invalid or the requested byte is not initialized.

getWord

public void getWord(byte[] buffer)

Writes an entire word into buffer

Parameters:

buffer - buffer to write a single word to. Must have length 8.

Throws:

LowlevelError - if the entire word is not initialized

isEntireWordInitialized

protected boolean isEntireWordInitialized()

Returns true precisely when the entire word is initialized.

Returns:

true if entire work initialized