1 /*
   2  * Copyright (c) 2013, 2016, 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 
  24 
  25 package org.graalvm.compiler.hotspot.aarch64;
  26 
  27 import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER;
  28 
  29 import org.graalvm.compiler.asm.aarch64.AArch64MacroAssembler;
  30 import org.graalvm.compiler.lir.LIRFrameState;
  31 import org.graalvm.compiler.lir.LIRInstructionClass;
  32 import org.graalvm.compiler.lir.Opcode;
  33 import org.graalvm.compiler.lir.StandardOp.BlockEndOp;
  34 import org.graalvm.compiler.lir.aarch64.AArch64BlockEndOp;
  35 import org.graalvm.compiler.lir.aarch64.AArch64Call;
  36 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
  37 
  38 @Opcode("DEOPT")
  39 public class AArch64HotSpotDeoptimizeOp extends AArch64BlockEndOp implements BlockEndOp {
  40     public static final LIRInstructionClass<AArch64HotSpotDeoptimizeOp> TYPE = LIRInstructionClass.create(AArch64HotSpotDeoptimizeOp.class);
  41 
  42     @State private LIRFrameState info;
  43 
  44     public AArch64HotSpotDeoptimizeOp(LIRFrameState info) {
  45         super(TYPE);
  46         this.info = info;
  47     }
  48 
  49     @Override
  50     public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
  51         try (AArch64MacroAssembler.ScratchRegister scratch = masm.getScratchRegister()) {
  52             AArch64Call.directCall(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER), scratch.getRegister(), info, null);
  53         }
  54     }
  55 
  56 }