AArch64HotSpotDeoptimizeCallerOp.java revision 12657:6ef01bd40ce2 
1/*
2 * Copyright (c) 2013, 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 */
23package org.graalvm.compiler.hotspot.aarch64;
24
25import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER;
26
27import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
28import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
29import org.graalvm.compiler.lir.LIRInstructionClass;
30import org.graalvm.compiler.lir.Opcode;
31import org.graalvm.compiler.lir.aarch64.AArch64Call;
32import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
33
34/**
35 * Removes the current frame and tail calls the uncommon trap routine.
36 */
37@Opcode("DEOPT_CALLER")
38public class AArch64HotSpotDeoptimizeCallerOp extends AArch64HotSpotEpilogueOp {
39    public static final LIRInstructionClass<AArch64HotSpotDeoptimizeCallerOp> TYPE = LIRInstructionClass.create(AArch64HotSpotDeoptimizeCallerOp.class);
40
41    public AArch64HotSpotDeoptimizeCallerOp(GraalHotSpotVMConfig config) {
42        super(TYPE, config);
43    }
44
45    @Override
46    public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
47        leaveFrame(crb, masm, /* emitSafepoint */false);
48        AArch64Call.directJmp(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER));
49    }
50}
51