com.oracle.graal.hotspot.amd64

Class AMD64HotSpotBackend.HotSpotFrameContext

java.lang.Object

com.oracle.graal.hotspot.amd64.AMD64HotSpotBackend.HotSpotFrameContext

All Implemented Interfaces:

FrameContext

Enclosing class:

AMD64HotSpotBackend

class AMD64HotSpotBackend.HotSpotFrameContext
extends Object
implements FrameContext

Emits code at the verified entry point and return point(s) of a method.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	isStub
(package private) boolean	omitFrame

Constructor Summary

Constructors

Constructor and Description
HotSpotFrameContext(boolean isStub, boolean omitFrame)

Method Summary

Modifier and Type	Method and Description
void	enter(CompilationResultBuilder crb) Emits code common to all entry points of a method.
boolean	hasFrame() Determines if a frame is set up and torn down by this object.
void	leave(CompilationResultBuilder crb) Emits code to be executed just prior to returning from a method.

Methods inherited from class java.lang.Object

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

Field Detail

isStub

final boolean isStub

omitFrame

final boolean omitFrame

Constructor Detail

HotSpotFrameContext

HotSpotFrameContext(boolean isStub,
                    boolean omitFrame)

Method Detail

hasFrame

public boolean hasFrame()

Description copied from interface: FrameContext

Determines if a frame is set up and torn down by this object.

Specified by:

hasFrame in interface FrameContext

enter

public void enter(CompilationResultBuilder crb)

Description copied from interface: FrameContext

Emits code common to all entry points of a method. This may include:

• setting up the stack frame
• saving callee-saved registers
• stack overflow checking

Specified by:

enter in interface FrameContext

leave

public void leave(CompilationResultBuilder crb)

Description copied from interface: FrameContext

Emits code to be executed just prior to returning from a method. This may include:

• restoring callee-saved registers
• performing a safepoint
• destroying the stack frame

Specified by:

leave in interface FrameContext