Module openj9.dtfj

Package com.ibm.j9ddr.corereaders.memory

Class UnbackedMemorySource

java.lang.Object

com.ibm.j9ddr.corereaders.memory.BaseMemoryRange

com.ibm.j9ddr.corereaders.memory.ProtectedMemoryRange

com.ibm.j9ddr.corereaders.memory.UnbackedMemorySource

All Implemented Interfaces:

IDetailedMemoryRange, IMemoryRange, IMemorySource, Comparable<IMemoryRange>

public class UnbackedMemorySource
extends ProtectedMemoryRange
implements IMemorySource, IDetailedMemoryRange

Memory source for storage range that is declared, but not backed. Any attempt to read storage results in a MemoryFault

Field Summary

Fields declared in class com.ibm.j9ddr.corereaders.memory.ProtectedMemoryRange

executable, readOnly, shared

Fields declared in class com.ibm.j9ddr.corereaders.memory.BaseMemoryRange

baseAddress, size

Fields declared in interface com.ibm.j9ddr.corereaders.memory.IDetailedMemoryRange

EXECUTABLE, READABLE, WRITABLE

Constructor Summary

Constructors

Constructor	Description
UnbackedMemorySource(long base, long size, String explanation)
UnbackedMemorySource(long base, long size, String explanation, int asid, String name)

Method Summary

Methods declared in class java.lang.Object

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

Methods declared in interface java.lang.Comparable

compareTo

Methods declared in interface com.ibm.j9ddr.corereaders.memory.IDetailedMemoryRange

getProperties

Methods declared in interface com.ibm.j9ddr.corereaders.memory.IMemoryRange

contains, getAddressSpaceId, getBaseAddress, getName, getSize, getTopAddress, isExecutable, isReadOnly, isShared, isSubRange, overlaps

Methods declared in interface com.ibm.j9ddr.corereaders.memory.IMemorySource

getBytes, isBacked

Constructor Detail

UnbackedMemorySource

public UnbackedMemorySource(long base,
                            long size,
                            String explanation,
                            int asid,
                            String name)

Parameters:

base - Base address for this range

size - Size of this range

explanation - String message explaining why this section isn't backed with storage

asid - Address space id

UnbackedMemorySource

public UnbackedMemorySource(long base,
                            long size,
                            String explanation)

Parameters:

base - Base address for this range

size - Size of this range

explanation - String message explaining why this section isn't backed with storage