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 (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
29 * @library /testlibrary /test/lib /
30 * @library ../common/patches
31 * @modules java.base/jdk.internal.misc
32 * @modules java.base/jdk.internal.org.objectweb.asm
33 * java.base/jdk.internal.org.objectweb.asm.tree
34 * jdk.vm.ci/jdk.vm.ci.hotspot
35 * jdk.vm.ci/jdk.vm.ci.code
36 * @clean compiler.jvmci.compilerToVM.*
37 * @compile -g DummyInterface.java
38 * @compile -g DummyAbstractClass.java
39 * @compile -g DummyClass.java
40 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
41 * @build compiler.jvmci.compilerToVM.GetLocalVariableTableTest
42 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
43 * compiler.jvmci.compilerToVM.GetLocalVariableTableTest
44 * @clean compiler.jvmci.compilerToVM.*
45 */
46
47 package compiler.jvmci.compilerToVM;
48
49 import compiler.jvmci.common.CTVMUtilities;
50 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
51 import jdk.vm.ci.hotspot.CompilerToVMHelper;
52 import jdk.test.lib.Asserts;
53
54 import java.lang.reflect.Executable;
55 import java.util.HashMap;
56 import java.util.Map;
57
58 public class GetLocalVariableTableTest {
59
60 public static final int MAIN_LOCALS_COUNT = 0;
61 public static final int INSTANCE_LOCALS_COUNT = 4;
62 public static final int EMPTY_INSTANCE_COUNT = 1;
63 public static final int EMPTY_STATIC_COUNT = 0;
64 public static final int ABSTRACT_INHERIT_LOCALS_COUNT = 2;
65 public static final int DEFAULTFUNC_LOCALS_COUNT = 4;
66
67 public static void main(String[] args) {
68 Map<Executable, Integer> testCases = createTestCases();
69 testCases.forEach(GetLocalVariableTableTest::runSanityTest);
70 }
71
72 private static Map<Executable, Integer> createTestCases() {
73 HashMap<Executable, Integer> methods = new HashMap<>();
74 try {
75 Class<?> aClass;
76
77 aClass = GetLocalVariableTableTest.class;
78 methods.put(aClass.getDeclaredMethod("main", String[].class),
79 MAIN_LOCALS_COUNT);
80
81 aClass = DummyClass.class;
82 methods.put(aClass.getMethod("dummyInstanceFunction"),
83 INSTANCE_LOCALS_COUNT);
84 methods.put(aClass.getMethod("dummyEmptyInstanceFunction"),
85 EMPTY_INSTANCE_COUNT);
86 methods.put(aClass.getMethod("dummyEmptyStaticFunction"),
87 EMPTY_STATIC_COUNT);
88 methods.put(aClass.getMethod("dummyFunction"),
89 EMPTY_INSTANCE_COUNT);
90 methods.put(aClass.getMethod("dummyAbstractFunction"),
91 ABSTRACT_INHERIT_LOCALS_COUNT);
92
93 aClass = DummyInterface.class;
94 methods.put(aClass.getMethod("dummyFunction"), EMPTY_STATIC_COUNT);
95 methods.put(aClass.getMethod("dummyDefaultFunction", int.class,
96 int.class), DEFAULTFUNC_LOCALS_COUNT);
97
98 aClass = DummyAbstractClass.class;
99 methods.put(aClass.getMethod("dummyAbstractFunction"), 0);
100 } catch (NoSuchMethodException e) {
101 throw new Error("TEST BUG", e);
102 }
103 return methods;
104 }
105
106 private static void runSanityTest(Executable aMethod,
107 Integer expectedTableLength) {
108 HotSpotResolvedJavaMethod method = CTVMUtilities
109 .getResolvedMethod(aMethod);
110
111 int tblLength = CompilerToVMHelper.getLocalVariableTableLength(method);
112 Asserts.assertEQ(tblLength, expectedTableLength, aMethod + " : incorrect "
113 + "local variable table length.");
114
115 long tblStart = CompilerToVMHelper.getLocalVariableTableStart(method);
116 if (tblLength > 0) {
117 Asserts.assertNE(tblStart, 0L, aMethod + " : local variable table starts"
118 + " at 0 with length " + tblLength);
119 }
120 }
121 }