Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/HotSpotHostBackend.java @ 23222:56359eb3abfa
moved @ServiceProvider mechanism from JVMCI to Graal (GRAAL-1380)
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 30 Dec 2015 18:08:59 +0100 |
parents | 615f3bbbb174 |
children | 3e4b96f3e4d3 |
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/* * Copyright (c) 2013, 2015, 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 com.oracle.graal.hotspot; import static com.oracle.graal.compiler.common.GraalOptions.BootstrapReplacements; import static com.oracle.graal.compiler.common.GraalOptions.Intrinsify; import static jdk.vm.ci.inittimer.InitTimer.timer; import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; import jdk.vm.ci.hotspot.HotSpotVMConfig; import jdk.vm.ci.inittimer.InitTimer; import jdk.vm.ci.meta.ResolvedJavaMethod; import jdk.vm.ci.services.Services; import com.oracle.graal.compiler.common.spi.ForeignCallDescriptor; import com.oracle.graal.debug.Debug; import com.oracle.graal.debug.Debug.Scope; import com.oracle.graal.debug.DebugDumpScope; import com.oracle.graal.hotspot.meta.HotSpotHostForeignCallsProvider; import com.oracle.graal.hotspot.meta.HotSpotLoweringProvider; import com.oracle.graal.hotspot.meta.HotSpotProviders; import com.oracle.graal.hotspot.stubs.DeoptimizationStub; import com.oracle.graal.hotspot.stubs.UncommonTrapStub; import com.oracle.graal.nodes.spi.ReplacementsProvider; /** * Common functionality of HotSpot host backends. */ public abstract class HotSpotHostBackend extends HotSpotBackend { /** * Descriptor for {@code SharedRuntime::deopt_blob()->unpack()} or * {@link DeoptimizationStub#deoptimizationHandler} depending on * {@link HotSpotBackend.Options#PreferGraalStubs}. */ public static final ForeignCallDescriptor DEOPTIMIZATION_HANDLER = new ForeignCallDescriptor("deoptHandler", void.class); /** * Descriptor for {@code SharedRuntime::deopt_blob()->uncommon_trap()} or * {@link UncommonTrapStub#uncommonTrapHandler} depending on * {@link HotSpotBackend.Options#PreferGraalStubs}. */ public static final ForeignCallDescriptor UNCOMMON_TRAP_HANDLER = new ForeignCallDescriptor("uncommonTrapHandler", void.class); /** * This will be 0 if stack banging is disabled. */ protected final int pagesToBang; public HotSpotHostBackend(HotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) { super(runtime, providers); this.pagesToBang = config.useStackBanging ? config.stackShadowPages : 0; } @Override @SuppressWarnings("try") public void completeInitialization(HotSpotJVMCIRuntime jvmciRuntime) { final HotSpotProviders providers = getProviders(); HotSpotHostForeignCallsProvider foreignCalls = (HotSpotHostForeignCallsProvider) providers.getForeignCalls(); final HotSpotLoweringProvider lowerer = (HotSpotLoweringProvider) providers.getLowerer(); HotSpotReplacementsImpl replacements = (HotSpotReplacementsImpl) providers.getReplacements(); try (InitTimer st = timer("foreignCalls.initialize")) { foreignCalls.initialize(providers); } try (InitTimer st = timer("lowerer.initialize")) { lowerer.initialize(providers, jvmciRuntime.getConfig()); } // Install intrinsics. if (Intrinsify.getValue()) { try (Scope s = Debug.scope("RegisterReplacements", new DebugDumpScope("RegisterReplacements"))) { try (InitTimer st = timer("replacementsProviders.registerReplacements")) { Iterable<ReplacementsProvider> sl = Services.load(ReplacementsProvider.class); for (ReplacementsProvider replacementsProvider : sl) { replacementsProvider.registerReplacements(providers.getMetaAccess(), lowerer, providers.getSnippetReflection(), replacements, providers.getCodeCache().getTarget()); } } if (BootstrapReplacements.getValue()) { for (ResolvedJavaMethod method : replacements.getAllReplacements()) { replacements.getSubstitution(method, -1); } } } catch (Throwable e) { throw Debug.handle(e); } } } }