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 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
37 * @build compiler.jvmci.compilerToVM.GetExceptionTableTest
38 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
39 * compiler.jvmci.compilerToVM.GetExceptionTableTest
40 */
41
42 package compiler.jvmci.compilerToVM;
43
44 import compiler.jvmci.common.CTVMUtilities;
45 import jdk.test.lib.Asserts;
46 import jdk.vm.ci.hotspot.CompilerToVMHelper;
47 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
48
49 import java.io.IOException;
50 import java.lang.reflect.Executable;
51 import java.net.Socket;
52 import java.util.HashMap;
53 import java.util.Map;
54
55 public class GetExceptionTableTest {
56
57 public static final int TRY_CATCH_COUNT = 3;
58 public static final int TRY_CATCH_FINALLY_COUNT = 8;
59 public static final int TRY_WITH_RESOURCES_COUNT = 6;
60 public static final int EMPTY_COUNT = 0;
61
62 public static void main(String[] args) {
63 Map<Executable, Integer> testCases = createTestCases();
64 testCases.forEach(GetExceptionTableTest::runSanityTest);
65 }
66
67 private static Map<Executable, Integer> createTestCases() {
68 HashMap<Executable, Integer> methods = new HashMap<>();
69 try {
70 Class<?> aClass = GetExceptionTableTest.DummyClass.class;
71 methods.put(aClass.getMethod("tryCatchDummy"), TRY_CATCH_COUNT);
72 methods.put(aClass.getMethod("tryCatchFinallyDummy"),
73 TRY_CATCH_FINALLY_COUNT);
74 methods.put(aClass.getMethod("tryWithResourcesDummy"),
75 TRY_WITH_RESOURCES_COUNT);
76 methods.put(aClass.getMethod("emptyFunction"), EMPTY_COUNT);
77 } catch (NoSuchMethodException e) {
78 throw new Error("TEST BUG", e);
79 }
80 return methods;
81 }
82
83 private static void runSanityTest(Executable aMethod,
84 Integer expectedTableLength) {
85 HotSpotResolvedJavaMethod method = CTVMUtilities
86 .getResolvedMethod(aMethod);
87 int tableLength = CompilerToVMHelper.getExceptionTableLength(method);
88 Asserts.assertEQ(tableLength, expectedTableLength, aMethod
89 + " incorrect exception table length.");
90
91 long tableStart = CompilerToVMHelper.getExceptionTableStart(method);
92 if (tableLength > 0) {
93 Asserts.assertNE(tableStart, 0L, aMethod + " exception table starts "
94 + "at 0.");
95 }
96 }
97
98 private static class DummyClass {
99 public static void emptyFunction() {}
100 public static void tryCatchDummy() throws Throwable {
101 try {
102 throw new Exception("Dummy exception");
103 } catch (ArithmeticException ex) {
104 throw new IOException(ex.getMessage());
105 } catch (IOException ex) {
106 throw new Exception(ex);
107 } catch (Exception ex) {
108 throw new Exception(ex);
109 }
110 }
111
112 public int tryCatchFinallyDummy() {
113 // 4 times catch/finally = 8 catch-blocks and finally-blocks
114 try {
115 throw new Exception("Dummy exception");
116 } catch (IndexOutOfBoundsException ex) {
117 return 1;
118 } catch (ArithmeticException ex) {
119 return 2;
120 } catch (IOException ex) {
121 return 3;
122 } catch (Exception ex) {
123 return 4;
124 } finally {
125 return 0;
126 }
127 }
128
129 public static int tryWithResourcesDummy() throws Throwable {
130 try (Socket socket = new Socket()) {
131 throw new Exception("Dummy exception");
132 } catch (ArithmeticException ex) {
133 return 1;
134 } catch (IOException ex) {
135 return 2;
136 } catch (Exception ex) {
137 return 3;
138 }
139 }
140 }
141 }
142