com.oracle.svm.core.genscavenge

Class PathExhibitor

java.lang.Object

com.oracle.svm.core.genscavenge.PathExhibitor

public class PathExhibitor
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PathExhibitor.BootImageHeapElement A path element for a reference from the native image heap.
static class	PathExhibitor.CyclicElement A path element for a cyclic reference.
static class	PathExhibitor.FrameVisitor A reusable StackFrameVisitor.
static class	PathExhibitor.HeapElement A path element for a reference from a Object field.
static class	PathExhibitor.InterferenceElement A path element for when I find a PathElement.
static class	PathExhibitor.LeafElement A path element for a leaf.
static class	PathExhibitor.PathElement
static class	PathExhibitor.StackElement A path element for a reference from a stack frame.
static class	PathExhibitor.TestingBackDoor For debugging.

Field Summary

Fields

Modifier and Type	Field and Description
protected static com.oracle.svm.core.genscavenge.PathExhibitor.BootImageHeapObjRefVisitor	bootImageHeapObjRefVisitor
protected static com.oracle.svm.core.genscavenge.PathExhibitor.FrameSlotVisitor	frameSlotVisitor
protected static com.oracle.svm.core.genscavenge.PathExhibitor.HeapObjectVisitor	heapObjectVisitor
protected static com.oracle.svm.core.genscavenge.PathExhibitor.HeapObjRefVisitor	heapObjRefVisitor
protected ArrayList<PathExhibitor.PathElement>	path
protected static PathExhibitor.FrameVisitor	stackFrameVisitor

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PathExhibitor()

Method Summary

Modifier and Type	Method and Description
protected boolean	checkForCycles(Object currentObject)
protected static boolean	checkForInterference(Object currentObject)
static PathExhibitor	factory()
protected PathExhibitor.PathElement	findPathInBootImageHeap(Object targetObject)
protected PathExhibitor.PathElement	findPathInBootImageHeap(Object targetObject, Object firstObject, Object lastObject)
protected PathExhibitor.HeapElement	findPathInHeap(Object obj)
protected PathExhibitor.StackElement	findPathInStack(Object obj)
protected PathExhibitor.PathElement	findPathToObject(Object obj)
boolean	findPathToRoot(Object leaf)
void	toLog(Log log)

Methods inherited from class java.lang.Object

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

Field Detail

path

protected final ArrayList<PathExhibitor.PathElement> path

frameSlotVisitor

protected static final com.oracle.svm.core.genscavenge.PathExhibitor.FrameSlotVisitor frameSlotVisitor

stackFrameVisitor

protected static final PathExhibitor.FrameVisitor stackFrameVisitor

bootImageHeapObjRefVisitor

protected static final com.oracle.svm.core.genscavenge.PathExhibitor.BootImageHeapObjRefVisitor bootImageHeapObjRefVisitor

heapObjRefVisitor

protected static final com.oracle.svm.core.genscavenge.PathExhibitor.HeapObjRefVisitor heapObjRefVisitor

heapObjectVisitor

protected static final com.oracle.svm.core.genscavenge.PathExhibitor.HeapObjectVisitor heapObjectVisitor

Constructor Detail

PathExhibitor

protected PathExhibitor()

Method Detail

factory

public static PathExhibitor factory()

findPathToRoot

public boolean findPathToRoot(Object leaf)

toLog

public void toLog(Log log)

findPathToObject

protected PathExhibitor.PathElement findPathToObject(Object obj)

findPathInStack

protected PathExhibitor.StackElement findPathInStack(Object obj)

findPathInBootImageHeap

protected PathExhibitor.PathElement findPathInBootImageHeap(Object targetObject)

findPathInBootImageHeap

protected PathExhibitor.PathElement findPathInBootImageHeap(Object targetObject,
                                                            Object firstObject,
                                                            Object lastObject)

findPathInHeap

protected PathExhibitor.HeapElement findPathInHeap(Object obj)

checkForCycles

protected boolean checkForCycles(Object currentObject)

checkForInterference

protected static boolean checkForInterference(Object currentObject)