| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| /** |
| * @test |
| * @bug 8136421 |
| * @requires vm.jvmci |
| * @library /test/lib / |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.vm.ci/jdk.vm.ci.hotspot |
| * jdk.vm.ci/jdk.vm.ci.code |
| * @clean compiler.jvmci.compilerToVM.* |
| * @compile -g DummyInterface.java |
| * @compile -g DummyAbstractClass.java |
| * @compile -g DummyClass.java |
| * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * compiler.jvmci.compilerToVM.GetLocalVariableTableTest |
| * @clean compiler.jvmci.compilerToVM.* |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import jdk.test.lib.Asserts; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
| |
| import java.lang.reflect.Executable; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class GetLocalVariableTableTest { |
| |
| public static final int MAIN_LOCALS_COUNT = 0; |
| public static final int INSTANCE_LOCALS_COUNT = 4; |
| public static final int EMPTY_INSTANCE_COUNT = 1; |
| public static final int EMPTY_STATIC_COUNT = 0; |
| public static final int ABSTRACT_INHERIT_LOCALS_COUNT = 2; |
| public static final int DEFAULTFUNC_LOCALS_COUNT = 4; |
| |
| public static void main(String[] args) { |
| Map<Executable, Integer> testCases = createTestCases(); |
| testCases.forEach(GetLocalVariableTableTest::runSanityTest); |
| } |
| |
| private static Map<Executable, Integer> createTestCases() { |
| HashMap<Executable, Integer> methods = new HashMap<>(); |
| try { |
| Class<?> aClass; |
| |
| aClass = GetLocalVariableTableTest.class; |
| methods.put(aClass.getDeclaredMethod("main", String[].class), |
| MAIN_LOCALS_COUNT); |
| |
| aClass = DummyClass.class; |
| methods.put(aClass.getMethod("dummyInstanceFunction"), |
| INSTANCE_LOCALS_COUNT); |
| methods.put(aClass.getMethod("dummyEmptyInstanceFunction"), |
| EMPTY_INSTANCE_COUNT); |
| methods.put(aClass.getMethod("dummyEmptyStaticFunction"), |
| EMPTY_STATIC_COUNT); |
| methods.put(aClass.getMethod("dummyFunction"), |
| EMPTY_INSTANCE_COUNT); |
| methods.put(aClass.getMethod("dummyAbstractFunction"), |
| ABSTRACT_INHERIT_LOCALS_COUNT); |
| |
| aClass = DummyInterface.class; |
| methods.put(aClass.getMethod("dummyFunction"), EMPTY_STATIC_COUNT); |
| methods.put(aClass.getMethod("dummyDefaultFunction", int.class, |
| int.class), DEFAULTFUNC_LOCALS_COUNT); |
| |
| aClass = DummyAbstractClass.class; |
| methods.put(aClass.getMethod("dummyAbstractFunction"), 0); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG", e); |
| } |
| return methods; |
| } |
| |
| private static void runSanityTest(Executable aMethod, |
| Integer expectedTableLength) { |
| HotSpotResolvedJavaMethod method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| |
| int tblLength = CompilerToVMHelper.getLocalVariableTableLength(method); |
| Asserts.assertEQ(tblLength, expectedTableLength, aMethod + " : incorrect " |
| + "local variable table length."); |
| |
| long tblStart = CompilerToVMHelper.getLocalVariableTableStart(method); |
| if (tblLength > 0) { |
| Asserts.assertNE(tblStart, 0L, aMethod + " : local variable table starts" |
| + " at 0 with length " + tblLength); |
| } |
| } |
| } |