com.oracle.svm.core.heap

Class FramePointerMapWalker

java.lang.Object

com.oracle.svm.core.heap.FramePointerMapWalker

All Implemented Interfaces:

StackFrameVisitor

public class FramePointerMapWalker
extends Object
implements StackFrameVisitor

A StackFrameVisitor that applies an ObjectReferenceVisitor to all the Object references in a frame.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FramePointerMapWalker(ObjectReferenceVisitor objRefVisitor)

Method Summary

Modifier and Type	Method and Description
boolean	epilogue() Called after all frames have been visited.
static FramePointerMapWalker	factory(ObjectReferenceVisitor objRefVisitor)
boolean	prologue() Called before any calls to the visitFrame method.
boolean	visitFrame(org.graalvm.word.Pointer sp, org.graalvm.nativeimage.c.function.CodePointer ip, DeoptimizedFrame deoptimizedFrame) Called for each frame that is visited.

Methods inherited from class java.lang.Object

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

Constructor Detail

FramePointerMapWalker

protected FramePointerMapWalker(ObjectReferenceVisitor objRefVisitor)

Method Detail

factory

public static FramePointerMapWalker factory(ObjectReferenceVisitor objRefVisitor)

prologue

public boolean prologue()

Description copied from interface: StackFrameVisitor

Called before any calls to the visitFrame method.

Specified by:

prologue in interface StackFrameVisitor

Returns:

true if visiting should continue, false otherwise.

visitFrame

public boolean visitFrame(org.graalvm.word.Pointer sp,
                          org.graalvm.nativeimage.c.function.CodePointer ip,
                          DeoptimizedFrame deoptimizedFrame)

Description copied from interface: StackFrameVisitor

Called for each frame that is visited.

Specified by:

visitFrame in interface StackFrameVisitor

Parameters:

sp - The stack pointer of the frame being visited.

ip - The instruction pointer of the frame being visited.

deoptimizedFrame - The information about a deoptimized frame, or null if the frame is not deoptimized.

Returns:

true if visiting should continue, false otherwise.

epilogue

public boolean epilogue()

Description copied from interface: StackFrameVisitor

Called after all frames have been visited.

Specified by:

epilogue in interface StackFrameVisitor