001/*
002 * Copyright (c) 2013, 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.truffle.hotspot.amd64;
024
025import jdk.internal.jvmci.amd64.*;
026import jdk.internal.jvmci.code.*;
027import jdk.internal.jvmci.code.CallingConvention.*;
028import jdk.internal.jvmci.hotspot.*;
029import jdk.internal.jvmci.meta.*;
030import jdk.internal.jvmci.service.*;
031
032import com.oracle.graal.asm.*;
033import com.oracle.graal.asm.amd64.*;
034import com.oracle.graal.asm.amd64.AMD64Assembler.*;
035import com.oracle.graal.compiler.common.spi.*;
036import com.oracle.graal.hotspot.meta.*;
037import com.oracle.graal.lir.asm.*;
038import com.oracle.graal.lir.framemap.*;
039import com.oracle.graal.truffle.*;
040import com.oracle.graal.truffle.hotspot.*;
041
042@ServiceProvider(OptimizedCallTargetInstrumentationFactory.class)
043public class AMD64OptimizedCallTargetInstrumentationFactory implements OptimizedCallTargetInstrumentationFactory {
044
045    public CompilationResultBuilder createBuilder(CodeCacheProvider codeCache, ForeignCallsProvider foreignCalls, FrameMap frameMap, Assembler asm, FrameContext frameContext,
046                    CompilationResult compilationResult) {
047        return new OptimizedCallTargetInstrumentation(codeCache, foreignCalls, frameMap, asm, frameContext, compilationResult) {
048            @Override
049            protected void injectTailCallCode(HotSpotVMConfig config, HotSpotRegistersProvider registers) {
050                @SuppressWarnings("hiding")
051                AMD64MacroAssembler asm = (AMD64MacroAssembler) this.asm;
052                Register thisRegister = codeCache.getRegisterConfig().getCallingConventionRegisters(Type.JavaCall, Kind.Object)[0];
053                Register spillRegister = AMD64.r10; // TODO(mg): fix me
054                Label doProlog = new Label();
055
056                AMD64Address codeBlobAddress = new AMD64Address(thisRegister, getFieldOffset("address", InstalledCode.class));
057                asm.movq(spillRegister, codeBlobAddress);
058                asm.cmpq(spillRegister, 0);
059                asm.jcc(ConditionFlag.Equal, doProlog);
060
061                AMD64Address verifiedEntryPointAddress = new AMD64Address(spillRegister, config.nmethodEntryOffset);
062                asm.movq(spillRegister, verifiedEntryPointAddress);
063                asm.jmp(spillRegister);
064
065                asm.bind(doProlog);
066            }
067        };
068    }
069
070    public void setInstrumentedMethod(ResolvedJavaMethod method) {
071        HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method;
072        hsMethod.setNotInlineable();
073    }
074
075    public String getArchitecture() {
076        return "AMD64";
077    }
078}