1 /* 2 * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.nodes; 24 25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_15; 26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8; 27 28 import org.graalvm.compiler.core.common.type.StampFactory; 29 import org.graalvm.compiler.graph.NodeClass; 30 import org.graalvm.compiler.hotspot.HotSpotBackend; 31 import org.graalvm.compiler.hotspot.HotSpotNodeLIRBuilder; 32 import org.graalvm.compiler.nodeinfo.NodeInfo; 33 import org.graalvm.compiler.nodes.ControlSinkNode; 34 import org.graalvm.compiler.nodes.ValueNode; 35 import org.graalvm.compiler.nodes.spi.LIRLowerable; 36 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool; 37 import org.graalvm.compiler.word.Word; 38 39 /** 40 * Sets up the {@linkplain HotSpotBackend#EXCEPTION_HANDLER_IN_CALLER arguments} expected by an 41 * exception handler in the caller's frame, removes the current frame and jumps to said handler. 42 */ 43 @NodeInfo(cycles = CYCLES_15, size = SIZE_8) 44 public final class JumpToExceptionHandlerInCallerNode extends ControlSinkNode implements LIRLowerable { 45 46 public static final NodeClass<JumpToExceptionHandlerInCallerNode> TYPE = NodeClass.create(JumpToExceptionHandlerInCallerNode.class); 47 @Input ValueNode handlerInCallerPc; 48 @Input ValueNode exception; 49 @Input ValueNode exceptionPc; 50 51 public JumpToExceptionHandlerInCallerNode(ValueNode handlerInCallerPc, ValueNode exception, ValueNode exceptionPc) { 52 super(TYPE, StampFactory.forVoid()); 53 this.handlerInCallerPc = handlerInCallerPc; 54 this.exception = exception; 55 this.exceptionPc = exceptionPc; 56 } 57 58 @Override 59 public void generate(NodeLIRBuilderTool gen) { 60 ((HotSpotNodeLIRBuilder) gen).emitJumpToExceptionHandlerInCaller(handlerInCallerPc, exception, exceptionPc); 61 } 62 63 @NodeIntrinsic 64 public static native void jumpToExceptionHandlerInCaller(Word handlerInCallerPc, Object exception, Word exceptionPc); 65 }