--- /dev/null 2015-10-08 07:26:42.000000000 -1000 +++ new/test/compiler/jvmci/compilerToVM/GetLocalVariableTableTest.java 2015-10-08 07:26:42.000000000 -1000 @@ -0,0 +1,116 @@ +/* + * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" + * @library /testlibrary /../../test/lib / + * @clean compiler.jvmci.compilerToVM.* + * @compile -g DummyInterface.java + * @compile -g DummyAbstractClass.java + * @compile -g DummyClass.java + * @compile ../common/CompilerToVMHelper.java + * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper + * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI + * -Xbootclasspath/a:. + * compiler.jvmci.compilerToVM.GetLocalVariableTableTest + * @clean compiler.jvmci.compilerToVM.* + */ + +package compiler.jvmci.compilerToVM; + +import compiler.jvmci.common.CTVMUtilities; +import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; +import jdk.vm.ci.hotspot.CompilerToVMHelper; +import jdk.test.lib.Asserts; + +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 testCases = createTestCases(); + testCases.forEach(GetLocalVariableTableTest::runSanityTest); + } + + private static Map createTestCases() { + HashMap 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) { + HotSpotResolvedJavaMethodImpl 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); + } + } +}