Module openj9.dtfj

Package com.ibm.j9ddr.vm29.j9.walkers

Class J9MemTagIterator

java.lang.Object

com.ibm.j9ddr.vm29.j9.walkers.J9MemTagIterator

All Implemented Interfaces:

Iterator<com.ibm.j9ddr.vm29.pointer.generated.J9MemTagPointer>

public class J9MemTagIterator
extends Object
implements Iterator<com.ibm.j9ddr.vm29.pointer.generated.J9MemTagPointer>

Iterator encapsulating the knowledge of how to search for J9-malloc'd sections in memory. Iterates over header tags. Use J9MemTagHelper to get from headers to footers and vice-versa.

Method Summary

Modifier and Type	Method	Description
boolean	isFooterCorrupted()
static J9MemTagIterator	iterateAllocatedHeaders()
static J9MemTagIterator	iterateAllocatedHeaders(long baseAddress, long topAddress)
static J9MemTagIterator	iterateFreedHeaders()
static J9MemTagIterator	iterateFreedHeaders(long baseAddress)
static J9MemTagIterator	iterateFreedHeaders(long baseAddress, long topAddress)
static J9MemTagIterator	iterateHeaders(long baseAddress, long topAddress, long headerEyecatcher, long footerEyecatcher)
static J9MemTagIterator	iterateHeaders(long baseAddress, long topAddress, long headerEyecatcher, long footerEyecatcher, boolean lookingForFreedCallSites)
void	moveCurrentSearchAddress(long jumpSize)

Methods declared in class java.lang.Object

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

Methods declared in interface java.util.Iterator

forEachRemaining, hasNext, next, remove

Method Detail

moveCurrentSearchAddress

public void moveCurrentSearchAddress(long jumpSize)

isFooterCorrupted

public boolean isFooterCorrupted()

iterateHeaders

public static J9MemTagIterator iterateHeaders(long baseAddress,
                                              long topAddress,
                                              long headerEyecatcher,
                                              long footerEyecatcher)

iterateHeaders

public static J9MemTagIterator iterateHeaders(long baseAddress,
                                              long topAddress,
                                              long headerEyecatcher,
                                              long footerEyecatcher,
                                              boolean lookingForFreedCallSites)

iterateAllocatedHeaders

public static J9MemTagIterator iterateAllocatedHeaders(long baseAddress,
                                                       long topAddress)

iterateAllocatedHeaders

public static J9MemTagIterator iterateAllocatedHeaders()

iterateFreedHeaders

public static J9MemTagIterator iterateFreedHeaders()

iterateFreedHeaders

public static J9MemTagIterator iterateFreedHeaders(long baseAddress)

iterateFreedHeaders

public static J9MemTagIterator iterateFreedHeaders(long baseAddress,
                                                   long topAddress)