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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotHostBackend.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 30cbb666e512
children 07b088d61d5d
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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.hotspot;
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24
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25 import static com.oracle.graal.compiler.common.GraalOptions.*;
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26 import static com.oracle.graal.hotspot.InitTimer.*;
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27
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28 import com.oracle.graal.api.meta.*;
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29 import com.oracle.graal.api.runtime.*;
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30 import com.oracle.graal.debug.*;
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31 import com.oracle.graal.debug.Debug.Scope;
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32 import com.oracle.graal.hotspot.jvmci.*;
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33 import com.oracle.graal.hotspot.meta.*;
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34 import com.oracle.graal.hotspot.stubs.*;
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35 import com.oracle.graal.nodes.spi.*;
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36
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37 /**
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38 * Common functionality of HotSpot host backends.
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39 */
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40 public abstract class HotSpotHostBackend extends HotSpotBackend {
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41
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42 /**
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43 * Descriptor for {@code SharedRuntime::deopt_blob()->unpack()} or
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44 * {@link DeoptimizationStub#deoptimizationHandler} depending on
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45 * {@link HotSpotBackend.Options#PreferGraalStubs}.
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46 */
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47 public static final ForeignCallDescriptor DEOPTIMIZATION_HANDLER = new ForeignCallDescriptor("deoptHandler", void.class);
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48
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49 /**
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50 * Descriptor for {@code SharedRuntime::deopt_blob()->uncommon_trap()} or
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51 * {@link UncommonTrapStub#uncommonTrapHandler} depending on
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52 * {@link HotSpotBackend.Options#PreferGraalStubs}.
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53 */
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54 public static final ForeignCallDescriptor UNCOMMON_TRAP_HANDLER = new ForeignCallDescriptor("uncommonTrapHandler", void.class);
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55
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56 /**
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57 * This will be 0 if stack banging is disabled.
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58 */
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59 protected final int pagesToBang;
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60
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61 public HotSpotHostBackend(HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) {
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62 super(runtime, providers);
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63 this.pagesToBang = runtime.getConfig().useStackBanging ? runtime.getConfig().stackShadowPages : 0;
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64 }
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65
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66 @Override
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67 public void completeInitialization() {
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68 final HotSpotProviders providers = getProviders();
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69 HotSpotVMConfig config = getRuntime().getConfig();
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70 HotSpotHostForeignCallsProvider foreignCalls = (HotSpotHostForeignCallsProvider) providers.getForeignCalls();
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71 final HotSpotLoweringProvider lowerer = (HotSpotLoweringProvider) providers.getLowerer();
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72 HotSpotReplacementsImpl replacements = (HotSpotReplacementsImpl) providers.getReplacements();
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73
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74 try (InitTimer st = timer("foreignCalls.initialize")) {
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75 foreignCalls.initialize(providers, config);
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76 }
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77 try (InitTimer st = timer("lowerer.initialize")) {
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78 lowerer.initialize(providers, config);
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79 }
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80
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81 // Install intrinsics.
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82 if (Intrinsify.getValue()) {
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83 try (Scope s = Debug.scope("RegisterReplacements", new DebugDumpScope("RegisterReplacements"))) {
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84 try (InitTimer st = timer("replacementsProviders.registerReplacements")) {
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85 Iterable<ReplacementsProvider> sl = Services.load(ReplacementsProvider.class);
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86 for (ReplacementsProvider replacementsProvider : sl) {
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87 replacementsProvider.registerReplacements(providers.getMetaAccess(), lowerer, providers.getSnippetReflection(), replacements, providers.getCodeCache().getTarget());
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88 }
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89 }
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90 if (BootstrapReplacements.getValue()) {
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91 for (ResolvedJavaMethod method : replacements.getAllReplacements()) {
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92 replacements.getSubstitution(method, -1);
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93 }
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94 }
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95 } catch (Throwable e) {
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96 throw Debug.handle(e);
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97 }
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98 }
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99 }
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100 }