/*
 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * questions.
 */
package com.oracle.graal.hotspot.amd64;

import static com.oracle.graal.hotspot.HotSpotHostBackend.*;

import com.oracle.graal.asm.amd64.*;
import com.oracle.graal.lir.*;
import com.oracle.graal.lir.StandardOp.BlockEndOp;
import com.oracle.graal.lir.amd64.*;
import com.oracle.graal.lir.asm.*;
import com.oracle.jvmci.meta.*;

/**
 * Removes the current frame and tail calls the uncommon trap routine.
 */
@Opcode("DEOPT_CALLER")
final class AMD64HotSpotDeoptimizeCallerOp extends AMD64HotSpotEpilogueOp implements BlockEndOp {

    public static final LIRInstructionClass<AMD64HotSpotDeoptimizeCallerOp> TYPE = LIRInstructionClass.create(AMD64HotSpotDeoptimizeCallerOp.class);

    protected AMD64HotSpotDeoptimizeCallerOp(AllocatableValue savedRbp) {
        super(TYPE, savedRbp);
    }

    @Override
    public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
        leaveFrameAndRestoreRbp(crb, masm);
        AMD64Call.directJmp(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER));
    }
}