222 lines
9.0 KiB
Java
222 lines
9.0 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test
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* @bug 8136421
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* @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
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* @library /testlibrary /test/lib /
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* @compile ../common/CompilerToVMHelper.java ../common/PublicMetaspaceWrapperObject.java
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* @build sun.hotspot.WhiteBox
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* compiler.jvmci.compilerToVM.GetConstantPoolTest
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* @run main ClassFileInstaller sun.hotspot.WhiteBox
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* sun.hotspot.WhiteBox$WhiteBoxPermission
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* jdk.vm.ci.hotspot.CompilerToVMHelper
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* jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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* -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions
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* -XX:+EnableJVMCI compiler.jvmci.compilerToVM.GetConstantPoolTest
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*/
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package compiler.jvmci.compilerToVM;
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import java.lang.reflect.Field;
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import jdk.vm.ci.meta.ConstantPool;
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import jdk.vm.ci.hotspot.CompilerToVMHelper;
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import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
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import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
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import jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject;
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import jdk.test.lib.Utils;
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import sun.hotspot.WhiteBox;
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import sun.misc.Unsafe;
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/**
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* Tests for jdk.vm.ci.hotspot.CompilerToVM::getConstantPool method
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*/
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public class GetConstantPoolTest {
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private static enum TestCase {
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NULL_BASE {
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@Override
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ConstantPool getConstantPool() {
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return CompilerToVMHelper.getConstantPool(null,
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getPtrToCpAddress());
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}
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},
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JAVA_METHOD_BASE {
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@Override
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ConstantPool getConstantPool() {
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HotSpotResolvedJavaMethod methodInstance
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= CompilerToVMHelper.getResolvedJavaMethodAtSlot(
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TEST_CLASS, 0);
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Field field;
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try {
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// jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl.metaspaceMethod
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field = methodInstance.getClass()
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.getDeclaredField("metaspaceMethod");
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field.setAccessible(true);
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field.set(methodInstance, getPtrToCpAddress());
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} catch (ReflectiveOperationException e) {
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throw new Error("TESTBUG : " + e, e);
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}
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return CompilerToVMHelper.getConstantPool(methodInstance, 0L);
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}
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},
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CONSTANT_POOL_BASE {
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@Override
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ConstantPool getConstantPool() {
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ConstantPool cpInst;
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try {
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cpInst = CompilerToVMHelper.getConstantPool(null,
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getPtrToCpAddress());
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Field field = CompilerToVMHelper.HotSpotConstantPoolClass()
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.getDeclaredField("metaspaceConstantPool");
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field.setAccessible(true);
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field.set(cpInst, getPtrToCpAddress());
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} catch (ReflectiveOperationException e) {
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throw new Error("TESTBUG : " + e.getMessage(), e);
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}
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return CompilerToVMHelper.getConstantPool(cpInst, 0L);
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}
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},
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CONSTANT_POOL_BASE_IN_TWO {
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@Override
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ConstantPool getConstantPool() {
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long ptr = getPtrToCpAddress();
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ConstantPool cpInst;
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try {
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cpInst = CompilerToVMHelper.getConstantPool(null, ptr);
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Field field = CompilerToVMHelper.HotSpotConstantPoolClass()
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.getDeclaredField("metaspaceConstantPool");
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field.setAccessible(true);
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field.set(cpInst, ptr / 2L);
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} catch (ReflectiveOperationException e) {
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throw new Error("TESTBUG : " + e.getMessage(), e);
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}
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return CompilerToVMHelper.getConstantPool(cpInst,
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ptr - ptr / 2L);
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}
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},
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CONSTANT_POOL_BASE_ZERO {
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@Override
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ConstantPool getConstantPool() {
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long ptr = getPtrToCpAddress();
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ConstantPool cpInst;
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try {
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cpInst = CompilerToVMHelper.getConstantPool(null, ptr);
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Field field = CompilerToVMHelper.HotSpotConstantPoolClass()
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.getDeclaredField("metaspaceConstantPool");
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field.setAccessible(true);
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field.set(cpInst, 0L);
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} catch (ReflectiveOperationException e) {
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throw new Error("TESTBUG : " + e.getMessage(), e);
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}
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return CompilerToVMHelper.getConstantPool(cpInst, ptr);
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}
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},
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OBJECT_TYPE_BASE {
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@Override
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ConstantPool getConstantPool() {
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HotSpotResolvedObjectType type
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= HotSpotResolvedObjectType.fromObjectClass(
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OBJECT_TYPE_BASE.getClass());
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long ptrToClass = UNSAFE.getKlassPointer(OBJECT_TYPE_BASE);
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return CompilerToVMHelper.getConstantPool(type,
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getPtrToCpAddress() - ptrToClass);
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}
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},
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;
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abstract ConstantPool getConstantPool();
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}
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private static final WhiteBox WB = WhiteBox.getWhiteBox();
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private static final Unsafe UNSAFE = Utils.getUnsafe();
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private static final Class TEST_CLASS = GetConstantPoolTest.class;
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private static final long CP_ADDRESS
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= WB.getConstantPool(GetConstantPoolTest.class);
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public void test(TestCase testCase) {
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System.out.println(testCase.name());
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ConstantPool cp = testCase.getConstantPool();
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String cpStringRep = cp.toString();
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String cpClassSimpleName
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= CompilerToVMHelper.HotSpotConstantPoolClass().getSimpleName();
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if (!cpStringRep.contains(cpClassSimpleName)
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|| !cpStringRep.contains(TEST_CLASS.getName())) {
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String msg = String.format("%s : "
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+ " Constant pool is not valid."
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+ " String representation should contain \"%s\" and \"%s\"",
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testCase.name(), cpClassSimpleName,
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TEST_CLASS.getName());
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throw new AssertionError(msg);
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}
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}
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public static void main(String[] args) {
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GetConstantPoolTest test = new GetConstantPoolTest();
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for (TestCase testCase : TestCase.values()) {
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test.test(testCase);
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}
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testObjectBase();
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testMetaspaceWrapperBase();
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}
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private static void testObjectBase() {
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try {
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Object cp = CompilerToVMHelper.getConstantPool(new Object(), 0L);
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throw new AssertionError("Test OBJECT_BASE."
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+ " Expected IllegalArgumentException has not been caught");
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} catch (IllegalArgumentException iae) {
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// expected
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}
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}
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private static void testMetaspaceWrapperBase() {
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try {
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Object cp = CompilerToVMHelper.getConstantPool(
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new PublicMetaspaceWrapperObject() {
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@Override
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public long getMetaspacePointer() {
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return getPtrToCpAddress();
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}
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}, 0L);
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throw new AssertionError("Test METASPACE_WRAPPER_BASE."
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+ " Expected IllegalArgumentException has not been caught");
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} catch (IllegalArgumentException iae) {
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// expected
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}
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}
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private static long getPtrToCpAddress() {
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Field field;
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try {
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field = TEST_CLASS.getDeclaredField("CP_ADDRESS");
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} catch (NoSuchFieldException nsfe) {
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throw new Error("TESTBUG : cannot find field \"CP_ADDRESS\" : "
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+ nsfe.getMessage(), nsfe);
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}
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Object base = UNSAFE.staticFieldBase(field);
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return WB.getObjectAddress(base) + UNSAFE.staticFieldOffset(field);
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}
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}
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