| /* |
| * Copyright (c) 2016, 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 jdk.vm.ci.hotspot.test; |
| |
| import jdk.vm.ci.hotspot.HotSpotConstantReflectionProvider; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| import jdk.vm.ci.meta.MethodHandleAccessProvider; |
| import jdk.vm.ci.runtime.JVMCI; |
| import org.testng.annotations.DataProvider; |
| |
| import java.io.File; |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| import java.net.MalformedURLException; |
| import java.net.URL; |
| import java.net.URLClassLoader; |
| import java.nio.file.Paths; |
| |
| public class MethodHandleAccessProviderData implements TestInterface { |
| private static final MetaAccessProvider META_ACCESS = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess(); |
| private static final HotSpotConstantReflectionProvider CONSTANT_REFLECTION = (HotSpotConstantReflectionProvider) JVMCI.getRuntime().getHostJVMCIBackend().getConstantReflection(); |
| // see DirectMethodHandle.java to check invoke* method names assignment |
| private static final String IVIRTUAL_RESOLVED_NAME = "invokeVirtual"; |
| private static final String ISTATIC_RESOLVED_NAME = "invokeStatic"; |
| private static final String ISPECIAL_RESOLVED_NAME = "invokeSpecial"; |
| private static final String ISTATICINIT_RESOLVED_NAME = "invokeStaticInit"; |
| private static final String IINTERFACE_RESOLVED_NAME = "invokeInterface"; |
| private static final String INEWSPECIAL_RESOLVED_NAME = "newInvokeSpecial"; |
| |
| @DataProvider(name = "intrinsicsPositive") |
| public static Object[][] getIntrinsicsDataPositive() { |
| Object[][] result; |
| try { |
| result = new Object[][]{ |
| new Object[]{ |
| META_ACCESS.lookupJavaMethod(MethodHandle.class.getDeclaredMethod("invokeBasic", Object[].class)), |
| MethodHandleAccessProvider.IntrinsicMethod.INVOKE_BASIC}, |
| new Object[]{ |
| META_ACCESS.lookupJavaMethod(MethodHandle.class.getDeclaredMethod("linkToInterface", Object[].class)), |
| MethodHandleAccessProvider.IntrinsicMethod.LINK_TO_INTERFACE}, |
| new Object[]{ |
| META_ACCESS.lookupJavaMethod(MethodHandle.class.getDeclaredMethod("linkToStatic", Object[].class)), |
| MethodHandleAccessProvider.IntrinsicMethod.LINK_TO_STATIC}, |
| new Object[]{ |
| META_ACCESS.lookupJavaMethod(MethodHandle.class.getDeclaredMethod("linkToVirtual", Object[].class)), |
| MethodHandleAccessProvider.IntrinsicMethod.LINK_TO_VIRTUAL}, |
| new Object[]{ |
| META_ACCESS.lookupJavaMethod(MethodHandle.class.getDeclaredMethod("linkToSpecial", Object[].class)), |
| MethodHandleAccessProvider.IntrinsicMethod.LINK_TO_SPECIAL}}; |
| } catch (NoSuchMethodException e) { |
| throw new Error("TESTBUG: can't find method: " + e, e); |
| } |
| return result; |
| } |
| |
| @DataProvider(name = "intrinsicsNegative") |
| public static Object[][] getIntrinsicsDataNegative() { |
| Object[][] result; |
| try { |
| result = new Object[][]{new Object[]{META_ACCESS.lookupJavaMethod(MethodHandle.class.getDeclaredMethod("invokeWithArguments", Object[].class))}}; |
| } catch (NoSuchMethodException e) { |
| throw new Error("TESTBUG: can't find method: " + e, e); |
| } |
| return result; |
| } |
| |
| @DataProvider(name = "invokeBasicNegative1") |
| public static Object[][] getInvokeBasicDataNegative1() { |
| Object[][] result; |
| JavaConstant wrongObject = CONSTANT_REFLECTION.forObject("42"); |
| // 2nd parameter is force bytecode generation = true/false |
| result = new Object[][]{ |
| new Object[]{wrongObject, true}, |
| new Object[]{wrongObject, false}, |
| new Object[]{JavaConstant.NULL_POINTER, true}, |
| new Object[]{JavaConstant.NULL_POINTER, false}}; |
| return result; |
| } |
| |
| @DataProvider(name = "invokeBasicNegative2") |
| public static Object[][] getInvokeBasicDataNegative2() { |
| Object[][] result; |
| // 2nd parameter is force bytecode generation = true/false |
| result = new Object[][]{ |
| new Object[]{null, true}, |
| new Object[]{null, false}}; |
| return result; |
| } |
| |
| @DataProvider(name = "invokeBasicPositive") |
| public static Object[][] getInvokeBasicDataPositive() { |
| Object[][] result; |
| MethodHandle mhIVirtual; |
| MethodHandle mhIStatic; |
| MethodHandle mhISpecial; |
| MethodHandle mhIStaticInit; |
| MethodHandle mhINewSpecial; |
| MethodHandle mhIInterface; |
| MethodHandles.Lookup lookup = MethodHandles.lookup(); |
| MethodType voidRet = MethodType.methodType(void.class); |
| Class<?> self = MethodHandleAccessProviderData.class; |
| // let's get a separate, thus, not initialized class |
| ClassLoader current = self.getClassLoader(); |
| String[] cpaths = System.getProperty("java.class.path").split(File.pathSeparator); |
| URL[] urls = new URL[cpaths.length]; |
| try { |
| for (int i = 0; i < cpaths.length; i++) { |
| urls[i] = Paths.get(cpaths[i]).toUri().toURL(); |
| } |
| } catch (MalformedURLException e) { |
| throw new Error("Can't parse classpath url: " + e, e); |
| } |
| Class<?> clone; |
| try { |
| clone = new ParentLastURLClassLoader(urls, current).loadClass(self.getName()); |
| } catch (ClassNotFoundException e) { |
| throw new Error("TESTBUG: can't find class: " + e, e); |
| } |
| try { |
| mhIVirtual = lookup.findVirtual(self, "publicMethod", voidRet); |
| mhIStatic = lookup.findStatic(self, "staticMethod", voidRet); |
| mhISpecial = lookup.findSpecial(self, "privateMethod", voidRet, self); |
| mhIStaticInit = lookup.findStatic(clone, "staticMethod", voidRet); |
| mhINewSpecial = lookup.findConstructor(self, voidRet); |
| mhIInterface = lookup.findVirtual(TestInterface.class, "interfaceMethod", voidRet); |
| } catch (NoSuchMethodException | IllegalAccessException e) { |
| throw new Error("TESTBUG: lookup failed: " + e, e); |
| } |
| JavaConstant jcIVirtual = CONSTANT_REFLECTION.forObject(mhIVirtual); |
| JavaConstant jcIStatic = CONSTANT_REFLECTION.forObject(mhIStatic); |
| JavaConstant jcISpecial = CONSTANT_REFLECTION.forObject(mhISpecial); |
| JavaConstant jcIStaticInit = CONSTANT_REFLECTION.forObject(mhIStaticInit); |
| JavaConstant jcINewSpecial = CONSTANT_REFLECTION.forObject(mhINewSpecial); |
| JavaConstant jcIInterface = CONSTANT_REFLECTION.forObject(mhIInterface); |
| // 2nd parameter is force bytecode generation = true/false |
| result = new Object[][]{ |
| new Object[]{jcIVirtual, true, IVIRTUAL_RESOLVED_NAME}, |
| new Object[]{jcIVirtual, false, IVIRTUAL_RESOLVED_NAME}, |
| new Object[]{jcIStatic, true, ISTATIC_RESOLVED_NAME}, |
| new Object[]{jcIStatic, false, ISTATIC_RESOLVED_NAME}, |
| new Object[]{jcISpecial, true, ISPECIAL_RESOLVED_NAME}, |
| new Object[]{jcISpecial, false, ISPECIAL_RESOLVED_NAME}, |
| new Object[]{jcIStaticInit, true, ISTATICINIT_RESOLVED_NAME}, |
| new Object[]{jcIStaticInit, false, ISTATICINIT_RESOLVED_NAME}, |
| new Object[]{jcINewSpecial, false, INEWSPECIAL_RESOLVED_NAME}, |
| new Object[]{jcINewSpecial, true, INEWSPECIAL_RESOLVED_NAME}, |
| new Object[]{jcIInterface, false, IINTERFACE_RESOLVED_NAME}, |
| new Object[]{jcIInterface, true, IINTERFACE_RESOLVED_NAME}}; |
| return result; |
| } |
| |
| // can't use nested classes for storing these test methods. see JDK-8010319 |
| private void privateMethod() { |
| // empty |
| } |
| |
| public static void staticMethod() { |
| // empty |
| } |
| |
| public void publicMethod() { |
| // empty |
| } |
| |
| @Override |
| public void interfaceMethod() { |
| // empty |
| } |
| } |
| |
| interface TestInterface { |
| void interfaceMethod(); |
| } |
| |
| class ParentLastURLClassLoader extends URLClassLoader { |
| |
| ParentLastURLClassLoader(URL[] urls, ClassLoader parent) { |
| super(urls, parent); |
| } |
| |
| @Override |
| public Class<?> loadClass(String name) throws ClassNotFoundException { |
| try { |
| Class<?> c = findClass(name); |
| if (c != null) { |
| return c; |
| } |
| } catch (ClassNotFoundException e) { |
| // ignore |
| } |
| return super.loadClass(name); |
| } |
| } |