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package org.graalvm.compiler.hotspot.nodes;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8;

import org.graalvm.compiler.core.common.type.StampFactory;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.hotspot.HotSpotBackend;
import org.graalvm.compiler.hotspot.HotSpotNodeLIRBuilder;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.ControlSinkNode;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.spi.LIRLowerable;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
import org.graalvm.compiler.word.Word;

Sets up the arguments expected by an exception handler in the caller's frame, removes the current frame and jumps to said handler.
/** * Sets up the {@linkplain HotSpotBackend#EXCEPTION_HANDLER_IN_CALLER arguments} expected by an * exception handler in the caller's frame, removes the current frame and jumps to said handler. */
@NodeInfo(cycles = CYCLES_8, size = SIZE_8) public final class JumpToExceptionHandlerInCallerNode extends ControlSinkNode implements LIRLowerable { public static final NodeClass<JumpToExceptionHandlerInCallerNode> TYPE = NodeClass.create(JumpToExceptionHandlerInCallerNode.class); @Input ValueNode handlerInCallerPc; @Input ValueNode exception; @Input ValueNode exceptionPc; public JumpToExceptionHandlerInCallerNode(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) { super(TYPE, StampFactory.forVoid()); this.handlerInCallerPc = handlerInCallerPc; this.exception = exception; this.exceptionPc = exceptionPc; } @Override public void generate(NodeLIRBuilderTool gen) { ((HotSpotNodeLIRBuilder) gen).emitJumpToExceptionHandlerInCaller(handlerInCallerPc, exception, exceptionPc); } @NodeIntrinsic public static native void jumpToExceptionHandlerInCaller(Word handlerInCallerPc, Object exception, Word exceptionPc); }