1 /* 2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 8136421 28 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64" 29 * @library /testlibrary /../../test/lib / 30 * @clean compiler.jvmci.compilerToVM.* 31 * @compile -g DummyInterface.java 32 * @compile -g DummyAbstractClass.java 33 * @compile -g DummyClass.java 34 * @compile ../common/CompilerToVMHelper.java 35 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper 36 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 37 * -Xbootclasspath/a:. 38 * compiler.jvmci.compilerToVM.GetLocalVariableTableTest 39 * @clean compiler.jvmci.compilerToVM.* 40 */ 41 42 package compiler.jvmci.compilerToVM; 43 44 import compiler.jvmci.common.CTVMUtilities; 45 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; 46 import jdk.vm.ci.hotspot.CompilerToVMHelper; 47 import jdk.test.lib.Asserts; 48 49 import java.lang.reflect.Executable; 50 import java.util.HashMap; 51 import java.util.Map; 52 53 public class GetLocalVariableTableTest { 54 55 public static final int MAIN_LOCALS_COUNT = 0; 56 public static final int INSTANCE_LOCALS_COUNT = 4; 57 public static final int EMPTY_INSTANCE_COUNT = 1; 58 public static final int EMPTY_STATIC_COUNT = 0; 59 public static final int ABSTRACT_INHERIT_LOCALS_COUNT = 2; 60 public static final int DEFAULTFUNC_LOCALS_COUNT = 4; 61 62 public static void main(String[] args) { 63 Map<Executable, Integer> testCases = createTestCases(); 64 testCases.forEach(GetLocalVariableTableTest::runSanityTest); 65 } 66 67 private static Map<Executable, Integer> createTestCases() { 68 HashMap<Executable, Integer> methods = new HashMap<>(); 69 try { 70 Class<?> aClass; 71 72 aClass = GetLocalVariableTableTest.class; 73 methods.put(aClass.getDeclaredMethod("main", String[].class), 74 MAIN_LOCALS_COUNT); 75 76 aClass = DummyClass.class; 77 methods.put(aClass.getMethod("dummyInstanceFunction"), 78 INSTANCE_LOCALS_COUNT); 79 methods.put(aClass.getMethod("dummyEmptyInstanceFunction"), 80 EMPTY_INSTANCE_COUNT); 81 methods.put(aClass.getMethod("dummyEmptyStaticFunction"), 82 EMPTY_STATIC_COUNT); 83 methods.put(aClass.getMethod("dummyFunction"), 84 EMPTY_INSTANCE_COUNT); 85 methods.put(aClass.getMethod("dummyAbstractFunction"), 86 ABSTRACT_INHERIT_LOCALS_COUNT); 87 88 aClass = DummyInterface.class; 89 methods.put(aClass.getMethod("dummyFunction"), EMPTY_STATIC_COUNT); 90 methods.put(aClass.getMethod("dummyDefaultFunction", int.class, 91 int.class), DEFAULTFUNC_LOCALS_COUNT); 92 93 aClass = DummyAbstractClass.class; 94 methods.put(aClass.getMethod("dummyAbstractFunction"), 0); 95 } catch (NoSuchMethodException e) { 96 throw new Error("TEST BUG", e); 97 } 98 return methods; 99 } 100 101 private static void runSanityTest(Executable aMethod, 102 Integer expectedTableLength) { 103 HotSpotResolvedJavaMethodImpl method = CTVMUtilities 104 .getResolvedMethod(aMethod); 105 106 int tblLength = CompilerToVMHelper.getLocalVariableTableLength(method); 107 Asserts.assertEQ(tblLength, expectedTableLength, aMethod + " : incorrect " 108 + "local variable table length."); 109 110 long tblStart = CompilerToVMHelper.getLocalVariableTableStart(method); 111 if (tblLength > 0) { 112 Asserts.assertNE(tblStart, 0L, aMethod + " : local variable table starts" 113 + " at 0 with length " + tblLength); 114 } 115 } 116 }