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SubstrateVM image builder components
/*
* Copyright (c) 2012, 2017, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.svm.hosted.meta;
import java.util.Collection;
import java.util.Collections;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
import org.graalvm.compiler.core.common.GraalOptions;
import org.graalvm.compiler.core.common.spi.ConstantFieldProvider;
import org.graalvm.compiler.options.OptionValues;
import com.oracle.graal.pointsto.BigBang;
import com.oracle.graal.pointsto.constraints.UnsupportedFeatureException;
import com.oracle.graal.pointsto.infrastructure.Universe;
import com.oracle.graal.pointsto.infrastructure.WrappedConstantPool;
import com.oracle.graal.pointsto.infrastructure.WrappedJavaType;
import com.oracle.graal.pointsto.infrastructure.WrappedSignature;
import com.oracle.graal.pointsto.meta.AnalysisField;
import com.oracle.graal.pointsto.meta.AnalysisMethod;
import com.oracle.graal.pointsto.meta.AnalysisType;
import com.oracle.graal.pointsto.util.ConcurrentLightHashSet;
import com.oracle.svm.core.SubstrateOptions;
import com.oracle.svm.hosted.SVMHost;
import com.oracle.svm.hosted.analysis.Inflation;
import jdk.vm.ci.meta.ConstantPool;
import jdk.vm.ci.meta.ConstantReflectionProvider;
import jdk.vm.ci.meta.JavaConstant;
import jdk.vm.ci.meta.JavaField;
import jdk.vm.ci.meta.JavaKind;
import jdk.vm.ci.meta.JavaMethod;
import jdk.vm.ci.meta.JavaType;
import jdk.vm.ci.meta.ResolvedJavaField;
import jdk.vm.ci.meta.ResolvedJavaMethod;
import jdk.vm.ci.meta.ResolvedJavaType;
import jdk.vm.ci.meta.Signature;
/**
* Stores all meta data for classes, fields, methods that will be part of the native image. It is
* constructed after the closed-world analysis from the information provided by the analysis.
* Nothing is added later on during compilation of methods.
*/
public class HostedUniverse implements Universe {
protected final Inflation bb;
protected final Map types = new HashMap<>();
protected final Map fields = new HashMap<>();
protected final Map methods = new HashMap<>();
protected final Map signatures = new HashMap<>();
protected final Map constantPools = new HashMap<>();
protected final ConcurrentLightHashSet methodsWithStackValues = new ConcurrentLightHashSet<>();
protected EnumMap kindToType = new EnumMap<>(JavaKind.class);
protected List orderedTypes;
protected List orderedMethods;
protected List orderedFields;
/**
* Number of allocated bits for instanceof checks.
*/
protected int numInterfaceBits;
private boolean postParseCanonicalized;
public HostedUniverse(Inflation bb) {
this.bb = bb;
}
public HostedType getType(JavaKind kind) {
assert kindToType.containsKey(kind);
return kindToType.get(kind);
}
public HostedInstanceClass getObjectClass() {
HostedInstanceClass result = (HostedInstanceClass) kindToType.get(JavaKind.Object);
assert result != null;
return result;
}
public synchronized HostedMethod createDeoptTarget(HostedMethod method) {
if (method.compilationInfo.getDeoptTargetMethod() == null) {
HostedMethod deoptTarget = new HostedMethod(this, method.getWrapped(), method.getDeclaringClass(), method.getSignature(), method.getConstantPool(), method.getExceptionHandlers());
assert method.staticAnalysisResults != null;
deoptTarget.staticAnalysisResults = method.staticAnalysisResults;
method.compilationInfo.setDeoptTarget(deoptTarget);
}
return method.compilationInfo.getDeoptTargetMethod();
}
public boolean contains(JavaType type) {
return types.containsKey(type);
}
@Override
public SVMHost hostVM() {
return bb.getHostVM();
}
@Override
public SnippetReflectionProvider getSnippetReflection() {
return bb.getProviders().getSnippetReflection();
}
@Override
public HostedType lookup(JavaType type) {
JavaType result = lookupAllowUnresolved(type);
if (result instanceof ResolvedJavaType) {
return (HostedType) result;
}
throw new UnsupportedFeatureException("Unresolved type found. Probably there are some compilation or classpath problems. " + type.toJavaName(true));
}
@Override
public JavaType lookupAllowUnresolved(JavaType type) {
if (!(type instanceof ResolvedJavaType)) {
return type;
}
assert types.containsKey(type) : type;
return optionalLookup(type);
}
public HostedType optionalLookup(JavaType type) {
return types.get(type);
}
@Override
public HostedField lookup(JavaField field) {
JavaField result = lookupAllowUnresolved(field);
if (result instanceof ResolvedJavaField) {
return (HostedField) result;
}
throw new UnsupportedFeatureException("Unresolved field found. Probably there are some compilation or classpath problems. " + field.format("%H.%n"));
}
@Override
public JavaField lookupAllowUnresolved(JavaField field) {
if (!(field instanceof ResolvedJavaField)) {
return field;
}
assert fields.containsKey(field) : field;
return optionalLookup(field);
}
public HostedField optionalLookup(JavaField field) {
return fields.get(field);
}
@Override
public HostedMethod lookup(JavaMethod method) {
JavaMethod result = lookupAllowUnresolved(method);
if (result instanceof ResolvedJavaMethod) {
return (HostedMethod) result;
}
throw new UnsupportedFeatureException("Unresolved method found. Probably there are some compilation or classpath problems. " + method.format("%H.%n(%p)"));
}
@Override
public JavaMethod lookupAllowUnresolved(JavaMethod method) {
if (!(method instanceof ResolvedJavaMethod)) {
return method;
}
assert methods.containsKey(method) : method;
return optionalLookup(method);
}
public HostedMethod optionalLookup(JavaMethod method) {
return methods.get(method);
}
public HostedMethod[] lookup(JavaMethod[] inputs) {
HostedMethod[] result = new HostedMethod[inputs.length];
for (int i = 0; i < result.length; i++) {
result[i] = lookup(inputs[i]);
}
return result;
}
@Override
public WrappedSignature lookup(Signature signature, WrappedJavaType defaultAccessingClass) {
assert signatures.containsKey(signature) : signature;
return signatures.get(signature);
}
@Override
public WrappedConstantPool lookup(ConstantPool constantPool, WrappedJavaType defaultAccessingClass) {
assert constantPools.containsKey(constantPool) : constantPool;
return constantPools.get(constantPool);
}
@Override
public JavaConstant lookup(JavaConstant constant) {
// There should not be any conversion necessary for constants.
return constant;
}
public Collection getTypes() {
return orderedTypes;
}
public Collection getFields() {
return orderedFields;
}
public Collection getMethods() {
return orderedMethods;
}
public BigBang getBigBang() {
return bb;
}
public ConstantReflectionProvider getConstantReflectionProvider() {
return bb.getConstantReflectionProvider();
}
public ConstantFieldProvider getConstantFieldProvider() {
return bb.getConstantFieldProvider();
}
public void recordMethodWithStackValues(AnalysisMethod analysisMethod) {
methodsWithStackValues.addElement(analysisMethod);
}
public Set getMethodsWithStackValues() {
return Collections.unmodifiableSet(methodsWithStackValues.getElements());
}
@Override
public ResolvedJavaMethod resolveSubstitution(ResolvedJavaMethod method) {
return method;
}
@Override
public OptionValues adjustCompilerOptions(OptionValues optionValues, ResolvedJavaMethod method) {
if (SubstrateOptions.Optimize.getValue() <= 0 && !((HostedMethod) method).isDeoptTarget()) {
/*
* Disabling liveness analysis preserves the values of local variables beyond the
* bytecode-liveness. This greatly helps debugging. When local variable numbers are
* reused by javac, local variables can still get illegal values. Since we cannot
* "restore" such illegal values during deoptimization, we cannot disable liveness
* analysis for deoptimization target methods.
*/
return new OptionValues(optionValues, GraalOptions.OptClearNonLiveLocals, false);
}
return optionValues;
}
@Override
public HostedType objectType() {
return types.get(bb.getUniverse().objectType());
}
public boolean isPostParseCanonicalized() {
return postParseCanonicalized;
}
public void setPostParseCanonicalized() {
postParseCanonicalized = true;
}
}