Module openj9.dtfj

Package com.ibm.j9ddr.corereaders.memory

Class DumpMemorySource

java.lang.Object

com.ibm.j9ddr.corereaders.memory.BaseMemoryRange

com.ibm.j9ddr.corereaders.memory.ProtectedMemoryRange

com.ibm.j9ddr.corereaders.memory.DumpMemorySource

All Implemented Interfaces:

IMemoryRange, IMemorySource, Comparable<IMemoryRange>

Direct Known Subclasses:

DetailedDumpMemorySource

public class DumpMemorySource
extends ProtectedMemoryRange
implements IMemorySource

Memory range backed by an AbstractCoreReader

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

Constructor Summary

Constructors

Modifier	Constructor	Description
	DumpMemorySource(long baseAddress, long size, long fileOffset, int addressSpaceId, AbstractCoreReader reader, String name)
	DumpMemorySource(long baseAddress, long size, long fileOffset, int addressSpaceId, AbstractCoreReader reader, String name, boolean shared, boolean readOnly, boolean executable)
	DumpMemorySource(long baseAddress, long size, long fileOffset, AbstractCoreReader reader)
	DumpMemorySource(long baseAddress, long size, long fileOffset, AbstractCoreReader reader, boolean shared, boolean readOnly, boolean executable)
protected	DumpMemorySource(DumpMemorySource d)

Method Summary

Modifier and Type	Method	Description
int	getAddressSpaceId()
int	getBytes(long address, byte[] buffer, int offset, int length)	Reads data from the memory range
long	getFileOffset()
String	getName()

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

isExecutable, isReadOnly, isShared

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

compareTo, contains, getBaseAddress, getSize, getTopAddress, isBacked, isSubRange, overlaps

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.IMemoryRange

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

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

isBacked

Constructor Details

DumpMemorySource

protected DumpMemorySource(DumpMemorySource d)

DumpMemorySource

public DumpMemorySource(long baseAddress,
 long size,
 long fileOffset,
 AbstractCoreReader reader)

DumpMemorySource

public DumpMemorySource(long baseAddress,
 long size,
 long fileOffset,
 AbstractCoreReader reader,
 boolean shared,
 boolean readOnly,
 boolean executable)

DumpMemorySource

public DumpMemorySource(long baseAddress,
 long size,
 long fileOffset,
 int addressSpaceId,
 AbstractCoreReader reader,
 String name)

DumpMemorySource

public DumpMemorySource(long baseAddress,
 long size,
 long fileOffset,
 int addressSpaceId,
 AbstractCoreReader reader,
 String name,
 boolean shared,
 boolean readOnly,
 boolean executable)

Method Details

getAddressSpaceId

public int getAddressSpaceId()

Specified by:

getAddressSpaceId in interface IMemoryRange

Returns:

Address space ID that this range belongs to.

getBytes

public int getBytes(long address,
 byte[] buffer,
 int offset,
 int length)
             throws MemoryFault

Description copied from interface: IMemorySource

Reads data from the memory range

Specified by:

getBytes in interface IMemorySource

Parameters:

address - Starting address

buffer - Buffer to read into

offset - Offset in buffer to write to

length - Number of bytes to read

Returns:

Bytes read

Throws:

MemoryFault

getFileOffset

public long getFileOffset()

getName

public String getName()

Specified by:

getName in interface IMemoryRange

Returns:

Name of this range (e.g. .text or stack), or null if range is unnamed.