001/*
002 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.hotspot.amd64;
024
025import static com.oracle.graal.hotspot.HotSpotHostBackend.*;
026
027import com.oracle.graal.asm.amd64.*;
028import com.oracle.graal.lir.*;
029import com.oracle.graal.lir.amd64.*;
030import com.oracle.graal.lir.asm.*;
031
032import jdk.internal.jvmci.meta.*;
033
034/**
035 * Removes the current frame and tail calls the uncommon trap routine.
036 */
037@Opcode("DEOPT_CALLER")
038final class AMD64HotSpotDeoptimizeCallerOp extends AMD64HotSpotEpilogueBlockEndOp {
039
040    public static final LIRInstructionClass<AMD64HotSpotDeoptimizeCallerOp> TYPE = LIRInstructionClass.create(AMD64HotSpotDeoptimizeCallerOp.class);
041
042    protected AMD64HotSpotDeoptimizeCallerOp(AllocatableValue savedRbp) {
043        super(TYPE, savedRbp);
044    }
045
046    @Override
047    public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
048        leaveFrameAndRestoreRbp(crb, masm);
049        AMD64Call.directJmp(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER));
050    }
051}