Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/meta/HotSpotMetaAccessProvider.java @ 12429:5124eeec1a7b
split HotSpotRuntime into separate provider implementations
moved HotSpot specific parts of HSAIL into new com.oracle.graal.hotspot.hsail project
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 15 Oct 2013 14:14:06 +0200 |
parents | |
children | 7080a96be216 |
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/* * Copyright (c) 2011, 2012, 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.meta; import java.lang.reflect.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.bridge.*; /** * HotSpot implementation of {@link MetaAccessProvider}. */ public class HotSpotMetaAccessProvider implements MetaAccessProvider { protected final HotSpotGraalRuntime graalRuntime; public HotSpotMetaAccessProvider(HotSpotGraalRuntime graalRuntime) { this.graalRuntime = graalRuntime; } public ResolvedJavaType lookupJavaType(Class<?> clazz) { if (clazz == null) { throw new IllegalArgumentException("Class parameter was null"); } return HotSpotResolvedObjectType.fromClass(clazz); } public ResolvedJavaType lookupJavaType(Constant constant) { if (constant.getKind() != Kind.Object || constant.isNull()) { return null; } Object o = constant.asObject(); return HotSpotResolvedObjectType.fromClass(o.getClass()); } public Signature parseMethodDescriptor(String signature) { return new HotSpotSignature(signature); } public ResolvedJavaMethod lookupJavaMethod(Method reflectionMethod) { CompilerToVM c2vm = graalRuntime.getCompilerToVM(); HotSpotResolvedObjectType[] resultHolder = {null}; long metaspaceMethod = c2vm.getMetaspaceMethod(reflectionMethod, resultHolder); assert metaspaceMethod != 0L; return resultHolder[0].createMethod(metaspaceMethod); } public ResolvedJavaMethod lookupJavaConstructor(Constructor reflectionConstructor) { CompilerToVM c2vm = graalRuntime.getCompilerToVM(); HotSpotResolvedObjectType[] resultHolder = {null}; long metaspaceMethod = c2vm.getMetaspaceConstructor(reflectionConstructor, resultHolder); assert metaspaceMethod != 0L; return resultHolder[0].createMethod(metaspaceMethod); } public ResolvedJavaField lookupJavaField(Field reflectionField) { return graalRuntime.getCompilerToVM().getJavaField(reflectionField); } @Override public Constant encodeDeoptActionAndReason(DeoptimizationAction action, DeoptimizationReason reason) { final int actionShift = 0; final int reasonShift = 3; int actionValue = convertDeoptAction(action); int reasonValue = convertDeoptReason(reason); return Constant.forInt(~(((reasonValue) << reasonShift) + ((actionValue) << actionShift))); } public int convertDeoptAction(DeoptimizationAction action) { switch (action) { case None: return graalRuntime.getConfig().deoptActionNone; case RecompileIfTooManyDeopts: return graalRuntime.getConfig().deoptActionMaybeRecompile; case InvalidateReprofile: return graalRuntime.getConfig().deoptActionReinterpret; case InvalidateRecompile: return graalRuntime.getConfig().deoptActionMakeNotEntrant; case InvalidateStopCompiling: return graalRuntime.getConfig().deoptActionMakeNotCompilable; default: throw GraalInternalError.shouldNotReachHere(); } } public int convertDeoptReason(DeoptimizationReason reason) { switch (reason) { case None: return graalRuntime.getConfig().deoptReasonNone; case NullCheckException: return graalRuntime.getConfig().deoptReasonNullCheck; case BoundsCheckException: return graalRuntime.getConfig().deoptReasonRangeCheck; case ClassCastException: return graalRuntime.getConfig().deoptReasonClassCheck; case ArrayStoreException: return graalRuntime.getConfig().deoptReasonArrayCheck; case UnreachedCode: return graalRuntime.getConfig().deoptReasonUnreached0; case TypeCheckedInliningViolated: return graalRuntime.getConfig().deoptReasonTypeCheckInlining; case OptimizedTypeCheckViolated: return graalRuntime.getConfig().deoptReasonOptimizedTypeCheck; case NotCompiledExceptionHandler: return graalRuntime.getConfig().deoptReasonNotCompiledExceptionHandler; case Unresolved: return graalRuntime.getConfig().deoptReasonUnresolved; case JavaSubroutineMismatch: return graalRuntime.getConfig().deoptReasonJsrMismatch; case ArithmeticException: return graalRuntime.getConfig().deoptReasonDiv0Check; case RuntimeConstraint: return graalRuntime.getConfig().deoptReasonConstraint; case LoopLimitCheck: return graalRuntime.getConfig().deoptReasonLoopLimitCheck; default: throw GraalInternalError.shouldNotReachHere(); } } }