author | iveresov |
Tue, 11 Dec 2018 16:50:43 -0800 | |
changeset 52956 | 4b0b796dd581 |
parent 52910 | 583fd71c47d6 |
child 58299 | 6df94ce3ab2f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package org.graalvm.compiler.hotspot; |
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import static jdk.vm.ci.code.CodeUtil.K; |
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import static jdk.vm.ci.code.CodeUtil.getCallingConvention; |
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import static jdk.vm.ci.common.InitTimer.timer; |
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import java.util.Collections; |
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import org.graalvm.compiler.core.common.NumUtil; |
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import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; |
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import org.graalvm.compiler.debug.DebugHandlersFactory; |
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import org.graalvm.compiler.hotspot.meta.HotSpotHostForeignCallsProvider; |
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import org.graalvm.compiler.hotspot.meta.HotSpotLoweringProvider; |
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import org.graalvm.compiler.hotspot.meta.HotSpotProviders; |
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import org.graalvm.compiler.hotspot.stubs.Stub; |
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import org.graalvm.compiler.lir.asm.CompilationResultBuilder; |
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import org.graalvm.compiler.lir.framemap.ReferenceMapBuilder; |
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import org.graalvm.compiler.nodes.StructuredGraph; |
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import org.graalvm.compiler.options.OptionValues; |
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import org.graalvm.compiler.printer.GraalDebugHandlersFactory; |
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import org.graalvm.compiler.word.Word; |
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import jdk.vm.ci.code.CallingConvention; |
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import jdk.vm.ci.common.InitTimer; |
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import jdk.vm.ci.hotspot.HotSpotCallingConventionType; |
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import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; |
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import jdk.vm.ci.meta.JavaKind; |
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import jdk.vm.ci.meta.JavaType; |
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import jdk.vm.ci.runtime.JVMCICompiler; |
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/** |
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* Common functionality of HotSpot host backends. |
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*/ |
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public abstract class HotSpotHostBackend extends HotSpotBackend { |
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/** |
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* Descriptor for {@code SharedRuntime::deopt_blob()->unpack()}. |
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*/ |
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public static final ForeignCallDescriptor DEOPTIMIZATION_HANDLER = new ForeignCallDescriptor("deoptHandler", void.class); |
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/** |
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* Descriptor for {@code SharedRuntime::deopt_blob()->uncommon_trap()}. |
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*/ |
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public static final ForeignCallDescriptor UNCOMMON_TRAP_HANDLER = new ForeignCallDescriptor("uncommonTrapHandler", void.class); |
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a25c48c0a1ab
8181855: [Graal] runtime/ReservedStack/ReservedStackTest.java triggers: assert(thread->deopt_mark() == __null) failed: no stack overflow from deopt blob/uncommon trap
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public static final ForeignCallDescriptor ENABLE_STACK_RESERVED_ZONE = new ForeignCallDescriptor("enableStackReservedZoneEntry", void.class, Word.class); |
a25c48c0a1ab
8181855: [Graal] runtime/ReservedStack/ReservedStackTest.java triggers: assert(thread->deopt_mark() == __null) failed: no stack overflow from deopt blob/uncommon trap
dlong
parents:
50858
diff
changeset
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a25c48c0a1ab
8181855: [Graal] runtime/ReservedStack/ReservedStackTest.java triggers: assert(thread->deopt_mark() == __null) failed: no stack overflow from deopt blob/uncommon trap
dlong
parents:
50858
diff
changeset
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public static final ForeignCallDescriptor THROW_DELAYED_STACKOVERFLOW_ERROR = new ForeignCallDescriptor("throwDelayedStackoverflowError", void.class); |
a25c48c0a1ab
8181855: [Graal] runtime/ReservedStack/ReservedStackTest.java triggers: assert(thread->deopt_mark() == __null) failed: no stack overflow from deopt blob/uncommon trap
dlong
parents:
50858
diff
changeset
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protected final GraalHotSpotVMConfig config; |
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public HotSpotHostBackend(GraalHotSpotVMConfig config, HotSpotGraalRuntimeProvider runtime, HotSpotProviders providers) { |
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super(runtime, providers); |
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this.config = config; |
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} |
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@Override |
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@SuppressWarnings("try") |
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public void completeInitialization(HotSpotJVMCIRuntime jvmciRuntime, OptionValues options) { |
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final HotSpotProviders providers = getProviders(); |
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HotSpotHostForeignCallsProvider foreignCalls = (HotSpotHostForeignCallsProvider) providers.getForeignCalls(); |
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final HotSpotLoweringProvider lowerer = (HotSpotLoweringProvider) providers.getLowerer(); |
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try (InitTimer st = timer("foreignCalls.initialize")) { |
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foreignCalls.initialize(providers, options); |
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} |
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try (InitTimer st = timer("lowerer.initialize")) { |
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Iterable<DebugHandlersFactory> factories = Collections.singletonList(new GraalDebugHandlersFactory(providers.getSnippetReflection())); |
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lowerer.initialize(options, factories, providers, config); |
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} |
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providers.getReplacements().closeSnippetRegistration(); |
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} |
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protected CallingConvention makeCallingConvention(StructuredGraph graph, Stub stub) { |
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if (stub != null) { |
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return stub.getLinkage().getIncomingCallingConvention(); |
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} |
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CallingConvention cc = getCallingConvention(getCodeCache(), HotSpotCallingConventionType.JavaCallee, graph.method(), this); |
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if (graph.getEntryBCI() != JVMCICompiler.INVOCATION_ENTRY_BCI) { |
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// for OSR, only a pointer is passed to the method. |
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JavaType[] parameterTypes = new JavaType[]{getMetaAccess().lookupJavaType(long.class)}; |
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CallingConvention tmp = getCodeCache().getRegisterConfig().getCallingConvention(HotSpotCallingConventionType.JavaCallee, getMetaAccess().lookupJavaType(void.class), parameterTypes, this); |
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cc = new CallingConvention(cc.getStackSize(), cc.getReturn(), tmp.getArgument(0)); |
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} |
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return cc; |
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} |
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public void emitStackOverflowCheck(CompilationResultBuilder crb) { |
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if (config.useStackBanging) { |
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// Each code entry causes one stack bang n pages down the stack where n |
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// is configurable by StackShadowPages. The setting depends on the maximum |
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// depth of VM call stack or native before going back into java code, |
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// since only java code can raise a stack overflow exception using the |
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// stack banging mechanism. The VM and native code does not detect stack |
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// overflow. |
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// The code in JavaCalls::call() checks that there is at least n pages |
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// available, so all entry code needs to do is bang once for the end of |
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// this shadow zone. |
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// The entry code may need to bang additional pages if the framesize |
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// is greater than a page. |
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int pageSize = config.vmPageSize; |
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int bangEnd = NumUtil.roundUp(config.stackShadowPages * 4 * K, pageSize); |
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// This is how far the previous frame's stack banging extended. |
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int bangEndSafe = bangEnd; |
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int frameSize = Math.max(crb.frameMap.frameSize(), crb.compilationResult.getMaxInterpreterFrameSize()); |
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if (frameSize > pageSize) { |
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bangEnd += frameSize; |
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} |
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int bangOffset = bangEndSafe; |
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if (bangOffset <= bangEnd) { |
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crb.blockComment("[stack overflow check]"); |
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} |
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while (bangOffset <= bangEnd) { |
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// Need at least one stack bang at end of shadow zone. |
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bangStackWithOffset(crb, bangOffset); |
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bangOffset += pageSize; |
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} |
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} |
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} |
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protected abstract void bangStackWithOffset(CompilationResultBuilder crb, int bangOffset); |
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@Override |
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public ReferenceMapBuilder newReferenceMapBuilder(int totalFrameSize) { |
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int uncompressedReferenceSize = getTarget().arch.getPlatformKind(JavaKind.Object).getSizeInBytes(); |
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return new HotSpotReferenceMapBuilder(totalFrameSize, config.maxOopMapStackOffset, uncompressedReferenceSize); |
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} |
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} |