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Example 1 with JNIPrimitiveArrayOperationMethod

use of com.oracle.svm.jni.hosted.JNIPrimitiveArrayOperationMethod in project graal by oracle.

the class JNIFunctionTablesFeature method beforeAnalysis.

@Override
public void beforeAnalysis(BeforeAnalysisAccess arg) {
    BeforeAnalysisAccessImpl access = (BeforeAnalysisAccessImpl) arg;
    AnalysisMetaAccess metaAccess = access.getMetaAccess();
    JNIFunctionTables.create();
    NativeLibraries nativeLibraries = access.getNativeLibraries();
    AnalysisType invokeInterface = metaAccess.lookupJavaType(JNIInvokeInterface.class);
    invokeInterfaceMetadata = (StructInfo) nativeLibraries.findElementInfo(invokeInterface);
    AnalysisType functionTable = metaAccess.lookupJavaType(JNINativeInterface.class);
    functionTableMetadata = (StructInfo) nativeLibraries.findElementInfo(functionTable);
    // Manually add functions as entry points so this is only done when JNI features are enabled
    AnalysisType invokes = metaAccess.lookupJavaType(JNIInvocationInterface.class);
    AnalysisType exports = metaAccess.lookupJavaType(JNIInvocationInterface.Exports.class);
    AnalysisType functions = metaAccess.lookupJavaType(JNIFunctions.class);
    Stream<AnalysisMethod> analysisMethods = Stream.of(invokes, functions, exports).flatMap(t -> Stream.of(t.getDeclaredMethods()));
    Stream<AnalysisMethod> unimplementedMethods = Stream.of((AnalysisMethod) getSingleMethod(metaAccess, UnimplementedWithJNIEnvArgument.class), (AnalysisMethod) getSingleMethod(metaAccess, UnimplementedWithJavaVMArgument.class));
    Stream.concat(analysisMethods, unimplementedMethods).forEach(method -> {
        CEntryPoint annotation = method.getAnnotation(CEntryPoint.class);
        assert annotation != null : "only entry points allowed in class";
        CEntryPointCallStubSupport.singleton().registerStubForMethod(method, () -> CEntryPointData.create(method));
    });
    ArrayList<ResolvedJavaMethod> generated = new ArrayList<>();
    MetaAccessProvider wrappedMetaAccess = metaAccess.getWrapped();
    ResolvedJavaType generatedMethodClass = wrappedMetaAccess.lookupJavaType(JNIFunctions.class);
    ConstantPool constantPool = generatedMethodClass.getDeclaredMethods()[0].getConstantPool();
    // Generate JNI field accessors
    EnumSet<JavaKind> fldKinds = jniKinds.clone();
    fldKinds.remove(JavaKind.Void);
    for (JavaKind kind : fldKinds) {
        boolean[] trueFalse = { true, false };
        for (boolean isSetter : trueFalse) {
            for (boolean isStatic : trueFalse) {
                JNIFieldAccessorMethod method = new JNIFieldAccessorMethod(kind, isSetter, isStatic, generatedMethodClass, constantPool, wrappedMetaAccess);
                AnalysisMethod analysisMethod = access.getUniverse().lookup(method);
                access.getBigBang().addRootMethod(analysisMethod).registerAsEntryPoint(method.createEntryPointData());
                generated.add(method);
            }
        }
    }
    // Generate JNI primitive array operations
    EnumSet<JavaKind> primitiveArrayKinds = jniKinds.clone();
    primitiveArrayKinds.remove(JavaKind.Void);
    primitiveArrayKinds.remove(JavaKind.Object);
    for (JavaKind kind : primitiveArrayKinds) {
        for (Operation op : Operation.values()) {
            JNIPrimitiveArrayOperationMethod method = new JNIPrimitiveArrayOperationMethod(kind, op, generatedMethodClass, constantPool, wrappedMetaAccess);
            AnalysisMethod analysisMethod = access.getUniverse().lookup(method);
            access.getBigBang().addRootMethod(analysisMethod).registerAsEntryPoint(method.createEntryPointData());
            generated.add(method);
        }
    }
    generatedMethods = generated.toArray(new ResolvedJavaMethod[0]);
}
Also used : BeforeAnalysisAccessImpl(com.oracle.svm.hosted.FeatureImpl.BeforeAnalysisAccessImpl) AnalysisType(com.oracle.graal.pointsto.meta.AnalysisType) NativeLibraries(com.oracle.svm.hosted.c.NativeLibraries) ArrayList(java.util.ArrayList) AnalysisMetaAccess(com.oracle.graal.pointsto.meta.AnalysisMetaAccess) Operation(com.oracle.svm.jni.hosted.JNIPrimitiveArrayOperationMethod.Operation) JNIFieldAccessorMethod(com.oracle.svm.jni.hosted.JNIFieldAccessorMethod) ResolvedJavaType(jdk.vm.ci.meta.ResolvedJavaType) AnalysisMethod(com.oracle.graal.pointsto.meta.AnalysisMethod) CEntryPoint(org.graalvm.nativeimage.c.function.CEntryPoint) ConstantPool(jdk.vm.ci.meta.ConstantPool) JNIPrimitiveArrayOperationMethod(com.oracle.svm.jni.hosted.JNIPrimitiveArrayOperationMethod) ResolvedJavaMethod(jdk.vm.ci.meta.ResolvedJavaMethod) MetaAccessProvider(jdk.vm.ci.meta.MetaAccessProvider) JavaKind(jdk.vm.ci.meta.JavaKind)

Aggregations

AnalysisMetaAccess (com.oracle.graal.pointsto.meta.AnalysisMetaAccess)1 AnalysisMethod (com.oracle.graal.pointsto.meta.AnalysisMethod)1 AnalysisType (com.oracle.graal.pointsto.meta.AnalysisType)1 BeforeAnalysisAccessImpl (com.oracle.svm.hosted.FeatureImpl.BeforeAnalysisAccessImpl)1 NativeLibraries (com.oracle.svm.hosted.c.NativeLibraries)1 JNIFieldAccessorMethod (com.oracle.svm.jni.hosted.JNIFieldAccessorMethod)1 JNIPrimitiveArrayOperationMethod (com.oracle.svm.jni.hosted.JNIPrimitiveArrayOperationMethod)1 Operation (com.oracle.svm.jni.hosted.JNIPrimitiveArrayOperationMethod.Operation)1 ArrayList (java.util.ArrayList)1 ConstantPool (jdk.vm.ci.meta.ConstantPool)1 JavaKind (jdk.vm.ci.meta.JavaKind)1 MetaAccessProvider (jdk.vm.ci.meta.MetaAccessProvider)1 ResolvedJavaMethod (jdk.vm.ci.meta.ResolvedJavaMethod)1 ResolvedJavaType (jdk.vm.ci.meta.ResolvedJavaType)1 CEntryPoint (org.graalvm.nativeimage.c.function.CEntryPoint)1