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annotate graal/com.oracle.graal.truffle.hotspot.sparc/src/com/oracle/graal/truffle/hotspot/sparc/SPARCOptimizedCallTargetInstumentationFactory.java @ 21526:1da7aef31a08

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created com.oracle.graal.hotspot.jvmci package and moved classes destined for future JVMCI module into it (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Tue, 19 May 2015 23:16:07 +0200
parents 4fe66c16e942
children c1e2fdb5fea3
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.oracle.graal.truffle.hotspot.sparc;
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24
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25 import static com.oracle.graal.api.code.CallingConvention.Type.*;
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26 import static com.oracle.graal.api.meta.Kind.*;
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27 import static com.oracle.graal.asm.sparc.SPARCAssembler.Annul.*;
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28 import static com.oracle.graal.asm.sparc.SPARCAssembler.BranchPredict.*;
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29 import static com.oracle.graal.asm.sparc.SPARCAssembler.CC.*;
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30 import static com.oracle.graal.asm.sparc.SPARCAssembler.ConditionFlag.*;
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31 import static com.oracle.graal.sparc.SPARC.CPUFeature.*;
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32
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33 import com.oracle.graal.api.code.*;
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34 import com.oracle.graal.api.meta.*;
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35 import com.oracle.graal.api.runtime.*;
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36 import com.oracle.graal.asm.*;
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37 import com.oracle.graal.asm.sparc.*;
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38 import com.oracle.graal.asm.sparc.SPARCMacroAssembler.ScratchRegister;
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39 import com.oracle.graal.hotspot.jvmci.*;
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40 import com.oracle.graal.hotspot.meta.*;
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41 import com.oracle.graal.lir.asm.*;
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42 import com.oracle.graal.lir.framemap.*;
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43 import com.oracle.graal.truffle.*;
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44 import com.oracle.graal.truffle.hotspot.*;
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45
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46 @ServiceProvider(OptimizedCallTargetInstrumentationFactory.class)
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47 public class SPARCOptimizedCallTargetInstumentationFactory implements OptimizedCallTargetInstrumentationFactory {
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48
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49 public CompilationResultBuilder createBuilder(CodeCacheProvider codeCache, ForeignCallsProvider foreignCalls, FrameMap frameMap, Assembler asm, FrameContext frameContext,
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50 CompilationResult compilationResult) {
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51 return new OptimizedCallTargetInstrumentation(codeCache, foreignCalls, frameMap, asm, frameContext, compilationResult) {
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52 @Override
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53 protected void injectTailCallCode(HotSpotVMConfig config, HotSpotRegistersProvider registers) {
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54 @SuppressWarnings("hiding")
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55 SPARCMacroAssembler asm = (SPARCMacroAssembler) this.asm;
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56 try (ScratchRegister scratch = asm.getScratchRegister()) {
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57 Register thisRegister = codeCache.getRegisterConfig().getCallingConventionRegisters(JavaCall, Object)[0];
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58 Register spillRegister = scratch.getRegister();
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59 Label doProlog = new Label();
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60 SPARCAddress codeBlobAddress = new SPARCAddress(thisRegister, getFieldOffset("address", InstalledCode.class));
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61 SPARCAddress verifiedEntryPointAddress = new SPARCAddress(spillRegister, config.nmethodEntryOffset);
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62
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63 asm.ldx(codeBlobAddress, spillRegister);
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64 if (asm.hasFeature(CBCOND)) {
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65 asm.cbcondx(Equal, spillRegister, 0, doProlog);
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66 } else {
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67 asm.cmp(spillRegister, 0);
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68 asm.bpcc(Equal, NOT_ANNUL, doProlog, Xcc, PREDICT_NOT_TAKEN);
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69 asm.nop();
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70 }
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71 asm.ldx(verifiedEntryPointAddress, spillRegister); // in delay slot
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72 asm.jmp(spillRegister);
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73 asm.nop();
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74 asm.bind(doProlog);
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75 }
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76 }
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77 };
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78 }
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79
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80 public void setInstrumentedMethod(ResolvedJavaMethod method) {
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81 HotSpotResolvedJavaMethod hsMethod = (HotSpotResolvedJavaMethod) method;
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82 hsMethod.setNotInlineable();
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83 }
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84
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85 public String getArchitecture() {
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86 return "SPARC";
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87 }
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88 }