Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/bridge/CompilerToVM.java @ 10475:3489047ffea2
Restructure the handling of HotSpotInstalledCode and their link to nmethods.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 21 Jun 2013 18:26:52 +0200 |
parents | a323a9e20f9d |
children | cd68d6902328 |
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/* * Copyright (c) 2011, 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.bridge; import java.lang.reflect.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; /** * Calls from Java into HotSpot. */ public interface CompilerToVM { /** * Copies the original bytecode of a given method into a given byte array. * * @param metaspaceMethod the metaspace Method object * @param code the array into which to copy the original bytecode * @return the value of {@code code} */ byte[] initializeBytecode(long metaspaceMethod, byte[] code); String getSignature(long metaspaceMethod); ExceptionHandler[] initializeExceptionHandlers(long metaspaceMethod, ExceptionHandler[] handlers); /** * Determines if a given metaspace Method object has balanced monitors. * * @param metaspaceMethod the metaspace Method object to query * @return true if the method has balanced monitors */ boolean hasBalancedMonitors(long metaspaceMethod); /** * Determines if a given metaspace Method object is compilable. A method may not be compilable * for a number of reasons such as: * <ul> * <li>a CompileOracle directive may prevent compilation of methods</li> * <li>the method may have a bytecode breakpoint set</li> * <li>the method may have other bytecode features that require special handling by the VM</li> * </ul> * * A non-compilable method should not be inlined. * * @param metaspaceMethod the metaspace Method object to query * @return true if the method is compilable */ boolean isMethodCompilable(long metaspaceMethod); /** * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}. * * @param metaspaceMethod the metaspace Method on which to based the search * @param resultHolder the holder of the result is put in element 0 of this array * @return the metaspace Method result or 0 is there is no unique concrete method for * {@code metaspaceMethod} */ long getUniqueConcreteMethod(long metaspaceMethod, HotSpotResolvedObjectType[] resultHolder); /** * Used to determine if an interface has exactly one implementor. * * @param interfaceType interface for which the implementor should be returned * @return the unique implementor of the interface or null if the interface has 0 or more than 1 * implementor */ ResolvedJavaType getUniqueImplementor(HotSpotResolvedObjectType interfaceType); /** * Gets the invocation count for a method. * * @param metaspaceMethod the metaspace Method object to query * @return the invocation count for the method */ int getInvocationCount(long metaspaceMethod); /** * Initializes a {@link HotSpotResolvedJavaMethod} object from a metaspace Method object. * * @param metaspaceMethod the metaspace Method object * @param method address of a metaspace Method object */ void initializeMethod(long metaspaceMethod, HotSpotResolvedJavaMethod method); /** * Initializes a {@link HotSpotMethodData} object from a metaspace MethodData object. * * @param metaspaceMethodData the metaspace MethodData object * @param methodData the object to initialize from the metaspace object */ void initializeMethodData(long metaspaceMethodData, HotSpotMethodData methodData); /** * Converts a name to a Java type. * * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format * @param accessingClass the context of resolution (may be null) * @param eagerResolve force resolution to a {@link ResolvedJavaType}. If true, this method will * either return a {@link ResolvedJavaType} or throw an exception * @return a Java type for {@code name} which is guaranteed to be of type * {@link ResolvedJavaType} if {@code eagerResolve == true} * @throws LinkageError if {@code eagerResolve == true} and the resolution failed */ JavaType lookupType(String name, HotSpotResolvedObjectType accessingClass, boolean eagerResolve); int constantPoolLength(HotSpotResolvedObjectType pool); Object lookupConstantInPool(HotSpotResolvedObjectType pool, int cpi); JavaMethod lookupMethodInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); JavaType lookupTypeInPool(HotSpotResolvedObjectType pool, int cpi); JavaField lookupFieldInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); void lookupReferencedTypeInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); Object lookupAppendixInPool(HotSpotResolvedObjectType pool, int cpi, byte opcode); // Must be kept in sync with enum in graalEnv.hpp public enum CodeInstallResult { OK, DEPENDENCIES_FAILED, CACHE_FULL } /** * Installs the result of a compilation into the code cache. * * @param compiledCode the result of a compilation * @param code the details of the installed CodeBlob are written to this object * @return the outcome of the installation as a {@link CodeInstallResult}. */ CodeInstallResult installCode(HotSpotCompiledCode compiledCode, HotSpotInstalledCode code, SpeculationLog cache); void initializeConfiguration(HotSpotVMConfig config); JavaMethod resolveMethod(HotSpotResolvedObjectType klass, String name, String signature); boolean isTypeInitialized(HotSpotResolvedObjectType klass); void initializeType(HotSpotResolvedObjectType klass); ResolvedJavaType getResolvedType(Class<?> javaClass); HotSpotResolvedJavaField[] getInstanceFields(HotSpotResolvedObjectType klass); HotSpotResolvedJavaMethod[] getMethods(HotSpotResolvedObjectType klass); boolean hasFinalizableSubclass(HotSpotResolvedObjectType klass); /** * Gets the compiled code size for a method. * * @param metaspaceMethod the metaspace Method object to query * @return the compiled code size the method */ int getCompiledCodeSize(long metaspaceMethod); /** * Gets the metaspace Method object corresponding to a given reflection {@link Method} object. * * @param reflectionMethod * @param resultHolder the holder of the result is put in element 0 of this array * @return the metaspace Method result for {@code reflectionMethod} */ long getMetaspaceMethod(Method reflectionMethod, HotSpotResolvedObjectType[] resultHolder); long getMetaspaceConstructor(Constructor reflectionConstructor, HotSpotResolvedObjectType[] resultHolder); HotSpotResolvedJavaField getJavaField(Field reflectionField); long getMaxCallTargetOffset(long address); String disassembleCodeBlob(long codeBlob); /** * Gets a copy of the machine code for a CodeBlob. * * @return the machine code for {@code codeBlob} if it is valid, null otherwise */ byte[] getCode(long codeBlob); StackTraceElement getStackTraceElement(long metaspaceMethod, int bci); Object executeCompiledMethod(Object arg1, Object arg2, Object arg3, HotSpotInstalledCode hotspotInstalledCode) throws InvalidInstalledCodeException; Object executeCompiledMethodVarargs(Object[] args, HotSpotInstalledCode hotspotInstalledCode) throws InvalidInstalledCodeException; int getVtableEntryOffset(long metaspaceMethod); boolean hasVtableEntry(long metaspaceMethod); long[] getDeoptedLeafGraphIds(); long[] getLineNumberTable(HotSpotResolvedJavaMethod method); Local[] getLocalVariableTable(HotSpotResolvedJavaMethod method); String getFileName(HotSpotResolvedJavaType method); /** * Invalidates the profiling information and restarts profiling upon the next invocation. * * @param metaspaceMethod the metaspace Method object */ void reprofile(long metaspaceMethod); void invalidateInstalledCode(long nativeMethod); boolean isInstalledCodeValid(long nativeMethod); }