Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/bridge/CompilerToVM.java @ 14117:2b2f0022900f
removed unnecessary lookupKlassByName method
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Sat, 08 Mar 2014 10:04:44 +0100 |
parents | 800057208a2c |
children | cd22c8dbda4f |
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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 com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; 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); int exceptionTableLength(long metaspaceMethod); long exceptionTableStart(long metaspaceMethod); /** * 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 can be inlined. A method may not be inlinable for a * number of reasons such as: * <ul> * <li>a CompileOracle directive may prevent inlining or compilation of this 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> * * @param metaspaceMethod the metaspace Method object to query * @return true if the method can be inlined */ boolean canInlineMethod(long metaspaceMethod); /** * Determines if a given metaspace Method should be inlined at any cost. This could be because: * <ul> * <li>a CompileOracle directive may forces inlining of this methods</li> * <li>an annotation forces inlining of this method</li> * </ul> * * @param metaspaceMethod the metaspace Method object to query * @return true if the method should be inlined */ boolean shouldInlineMethod(long metaspaceMethod); /** * Used to implement {@link ResolvedJavaType#findUniqueConcreteMethod(ResolvedJavaMethod)}. * * @param metaspaceMethod the metaspace Method on which to based the search * @return the metaspace Method result or 0 is there is no unique concrete method for * {@code metaspaceMethod} */ long findUniqueConcreteMethod(long metaspaceMethod); /** * Returns the implementor for the given interface class. * * @param metaspaceKlass the metaspace klass to get the implementor for * @return the implementor as metaspace klass pointer or null if there is no implementor */ long getKlassImplementor(long metaspaceKlass); /** * 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); /** * Converts a name to a metaspace klass. * * @param name a well formed Java type in {@linkplain JavaType#getName() internal} format * @param accessingClass the context of resolution (may be null) * @param resolve force resolution to a {@link ResolvedJavaType}. If true, this method will * either return a {@link ResolvedJavaType} or throw an exception * @return a metaspace klass for {@code name} * @throws LinkageError if {@code resolve == true} and the resolution failed */ long lookupType(String name, Class<?> accessingClass, boolean resolve); Object lookupConstantInPool(long metaspaceConstantPool, int cpi); int lookupNameAndTypeRefIndexInPool(long metaspaceConstantPool, int cpi); long lookupNameRefInPool(long metaspaceConstantPool, int cpi); long lookupSignatureRefInPool(long metaspaceConstantPool, int cpi); int lookupKlassRefIndexInPool(long metaspaceConstantPool, int cpi); /** * Looks up a class entry in a constant pool. * * @param metaspaceConstantPool metaspace constant pool pointer * @param cpi constant pool index * @return a metaspace Klass for a resolved method entry, a metaspace Symbol otherwise (with * tagging) */ long lookupKlassInPool(long metaspaceConstantPool, int cpi); /** * Looks up a method entry in a constant pool. * * @param metaspaceConstantPool metaspace constant pool pointer * @param cpi constant pool index * @return a metaspace Method for a resolved method entry, 0 otherwise */ long lookupMethodInPool(long metaspaceConstantPool, int cpi, byte opcode); /** * Looks up a field entry in a constant pool and attempts to resolve it. The values returned in * {@code info} are: * * <pre> * [(int) flags, // only valid if field is resolved * (int) offset] // only valid if field is resolved * </pre> * * @param metaspaceConstantPool metaspace constant pool pointer * @param cpi constant pool index * @param info an array in which the details of the field are returned * @return true if the field is resolved */ long resolveField(long metaspaceConstantPool, int cpi, byte opcode, long[] info); void loadReferencedTypeInPool(long metaspaceConstantPool, int cpi, byte opcode); Object lookupAppendixInPool(long metaspaceConstantPool, int cpi); public enum CodeInstallResult { OK("ok"), DEPENDENCIES_FAILED("dependencies failed"), CACHE_FULL("code cache is full"), CODE_TOO_LARGE("code is too large"); private int value; private String message; private CodeInstallResult(String name) { HotSpotVMConfig config = HotSpotGraalRuntime.runtime().getConfig(); switch (name) { case "ok": this.value = config.codeInstallResultOk; break; case "dependencies failed": this.value = config.codeInstallResultDependenciesFailed; break; case "code cache is full": this.value = config.codeInstallResultCacheFull; break; case "code is too large": this.value = config.codeInstallResultCodeTooLarge; break; default: throw GraalInternalError.shouldNotReachHere("unknown enum name " + name); } this.message = name; } /** * Returns the enum object for the given value. */ public static CodeInstallResult getEnum(int value) { for (CodeInstallResult e : values()) { if (e.value == value) { return e; } } throw GraalInternalError.shouldNotReachHere("unknown enum value " + value); } @Override public String toString() { return message; } } /** * 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 speculationLog); /** * Notifies the VM of statistics for a completed compilation. * * @param id the identifier of the compilation * @param method the method compiled * @param osr specifies if the compilation was for on-stack-replacement * @param processedBytecodes the number of bytecodes processed during the compilation, including * the bytecodes of all inlined methods * @param time the amount time spent compiling {@code method} * @param timeUnitsPerSecond the granularity of the units for the {@code time} value * @param installedCode the nmethod installed as a result of the compilation */ void notifyCompilationStatistics(int id, HotSpotResolvedJavaMethod method, boolean osr, int processedBytecodes, long time, long timeUnitsPerSecond, HotSpotInstalledCode installedCode); void printCompilationStatistics(boolean perCompiler, boolean aggregate); void resetCompilationStatistics(); void initializeConfiguration(HotSpotVMConfig config); long resolveMethod(long metaspaceKlass, String name, String signature); long getClassInitializer(long metaspaceKlass); boolean hasFinalizableSubclass(long metaspaceKlass); /** * 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 {@link Class} object and slot * number. * * @param holder method holder * @param slot slot number of the method * @return the metaspace Method */ long getMetaspaceMethod(Class<?> holder, int slot); long getMaxCallTargetOffset(long address); String disassembleCodeBlob(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; long[] getDeoptedLeafGraphIds(); long[] getLineNumberTable(long metaspaceMethod); long getLocalVariableTableStart(long metaspaceMethod); int getLocalVariableTableLength(long metaspaceMethod); String getFileName(HotSpotResolvedJavaType method); Object readUnsafeUncompressedPointer(Object o, long displacement); long readUnsafeKlassPointer(Object o); void doNotInlineOrCompile(long metaspaceMethod); /** * Invalidates the profiling information and restarts profiling upon the next invocation. * * @param metaspaceMethod the metaspace Method object */ void reprofile(long metaspaceMethod); void invalidateInstalledCode(HotSpotInstalledCode hotspotInstalledCode); /** * Collects the current values of all Graal benchmark counters, summed up over all threads. */ long[] collectCounters(); boolean isMature(long metaspaceMethodData); /** * Generate a unique id to identify the result of the compile. */ int allocateCompileId(long metaspaceMethod, int entryBCI); /** * Gets the names of the supported GPU architectures. * * @return a comma separated list of names */ String getGPUs(); /** * * @param metaspaceMethod the method to check * @param entryBCI * @param level the compilation level * @return true if the {@code metaspaceMethod} has code for {@code level} */ boolean hasCompiledCodeForOSR(long metaspaceMethod, int entryBCI, int level); }