org.jikesrvm.compilers.opt.runtimesupport.ia32

Class OptExceptionDeliverer

java.lang.Object

org.jikesrvm.runtime.ExceptionDeliverer

org.jikesrvm.compilers.opt.runtimesupport.ia32.OptExceptionDeliverer

public final class OptExceptionDeliverer
extends ExceptionDeliverer

Handle exception delivery and stack unwinding for methods compiled by optimizing Compiler.

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean	TRACE

Constructor Summary

Constructors

Constructor and Description
OptExceptionDeliverer()

Method Summary

Modifier and Type	Method and Description
void	deliverException(CompiledMethod compiledMethod, Address catchBlockInstructionAddress, Throwable exceptionObject, AbstractRegisters registers) Pass control to a catch block.
void	unwindStackFrame(CompiledMethod compiledMethod, AbstractRegisters registers) Unwind a stackframe.

Methods inherited from class java.lang.Object

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

Field Detail

TRACE

private static final boolean TRACE

See Also:

Constant Field Values

Constructor Detail

OptExceptionDeliverer

public OptExceptionDeliverer()

Method Detail

deliverException

public void deliverException(CompiledMethod compiledMethod,
                             Address catchBlockInstructionAddress,
                             Throwable exceptionObject,
                             AbstractRegisters registers)

Pass control to a catch block.

Specified by:

deliverException in class ExceptionDeliverer

Parameters:

compiledMethod - method whose catch block is to receive control

catchBlockInstructionAddress - instruction address at which to begin execution of catch block

exceptionObject - exception object to be passed as argument to catch block

registers - registers to be loaded before passing control to catch block

unwindStackFrame

public void unwindStackFrame(CompiledMethod compiledMethod,
                             AbstractRegisters registers)

Unwind a stackframe.

Specified by:

unwindStackFrame in class ExceptionDeliverer

Parameters:

compiledMethod - method whose stackframe is to be unwound

registers - thread state to be updated by restoring non-volatiles and unwinding the stackframe