| /* |
| * 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 |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package org.graalvm.compiler.hotspot.amd64; |
| |
| import static org.graalvm.compiler.hotspot.HotSpotHostBackend.UNCOMMON_TRAP_HANDLER; |
| |
| import org.graalvm.compiler.asm.amd64.AMD64MacroAssembler; |
| import org.graalvm.compiler.lir.LIRInstructionClass; |
| import org.graalvm.compiler.lir.Opcode; |
| import org.graalvm.compiler.lir.amd64.AMD64Call; |
| import org.graalvm.compiler.lir.asm.CompilationResultBuilder; |
| |
| /** |
| * Removes the current frame and tail calls the uncommon trap routine. |
| */ |
| @Opcode("DEOPT_CALLER") |
| final class AMD64HotSpotDeoptimizeCallerOp extends AMD64HotSpotEpilogueBlockEndOp { |
| |
| public static final LIRInstructionClass<AMD64HotSpotDeoptimizeCallerOp> TYPE = LIRInstructionClass.create(AMD64HotSpotDeoptimizeCallerOp.class); |
| |
| protected AMD64HotSpotDeoptimizeCallerOp() { |
| super(TYPE); |
| } |
| |
| @Override |
| public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) { |
| leaveFrameAndRestoreRbp(crb, masm); |
| AMD64Call.directJmp(crb, masm, crb.foreignCalls.lookupForeignCall(UNCOMMON_TRAP_HANDLER)); |
| } |
| } |
