1 /*
2 * Copyright (c) 2015, 2016, 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 * @test
26 * @bug 8136421
27 * @requires vm.jvmci
28 * @library /test/lib /
29 * @library ../common/patches
30 * @modules java.base/jdk.internal.misc
31 * @modules java.base/jdk.internal.org.objectweb.asm
32 * java.base/jdk.internal.org.objectweb.asm.tree
33 * jdk.internal.vm.ci/jdk.vm.ci.hotspot
34 * jdk.internal.vm.ci/jdk.vm.ci.code
35 *
36 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox
37 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
38 * sun.hotspot.WhiteBox$WhiteBoxPermission
39 * @run main/othervm -Xbootclasspath/a:.
40 * -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
41 * -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
42 * -XX:-BackgroundCompilation
43 * compiler.jvmci.compilerToVM.AllocateCompileIdTest
44 */
45
46 package compiler.jvmci.compilerToVM;
47
48 import compiler.jvmci.common.CTVMUtilities;
49 import jdk.test.lib.Asserts;
50 import jdk.test.lib.util.Pair;
51 import jdk.test.lib.Utils;
52 import jdk.vm.ci.hotspot.CompilerToVMHelper;
53 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
54 import sun.hotspot.code.NMethod;
55
56 import java.lang.reflect.Executable;
57 import java.lang.reflect.Method;
58 import java.util.ArrayList;
59 import java.util.HashSet;
60 import java.util.List;
61 import java.util.stream.Collectors;
62 import java.util.stream.Stream;
63
64 public class AllocateCompileIdTest {
65
66 private static final int SOME_REPEAT_VALUE = 5;
67 private final HashSet<Integer> ids = new HashSet<>();
68
69 public static void main(String[] args) {
70 AllocateCompileIdTest test = new AllocateCompileIdTest();
71 createTestCasesCorrectBci().forEach(test::runSanityCorrectTest);
72 createTestCasesIncorrectBci().forEach(test::runSanityIncorrectTest);
73 }
74
75 private static List<CompileCodeTestCase> createTestCasesCorrectBci() {
76 List<CompileCodeTestCase> result = new ArrayList<>();
77 try {
78 Class<?> aClass = DummyClass.class;
79 Method method = aClass.getMethod("withLoop");
80 Object receiver = new DummyClass();
81 result.add(new CompileCodeTestCase(receiver, method, 17));
82 result.add(new CompileCodeTestCase(receiver, method, -1));
83 } catch (NoSuchMethodException e) {
84 throw new Error("TEST BUG : " + e, e);
85 }
86 return result;
87 }
88
89 private static List<Pair<CompileCodeTestCase, Class<? extends Throwable>>>
90 createTestCasesIncorrectBci() {
91 List<Pair<CompileCodeTestCase, Class<? extends Throwable>>> result
92 = new ArrayList<>();
93 try {
94 Class<?> aClass = DummyClass.class;
95 Object receiver = new DummyClass();
96 Method method = aClass.getMethod("dummyInstanceFunction");
97 // greater than bytecode.length
98 byte[] bytecode = CompilerToVMHelper.getBytecode(CTVMUtilities
99 .getResolvedMethod(method));
100 Stream.of(
101 // greater than bytecode.length
102 bytecode.length + 4,
103 bytecode.length + 50,
104 bytecode.length + 200,
105 // negative cases
106 -4, -50, -200)
107 .map(bci -> new Pair<CompileCodeTestCase,
108 Class<? extends Throwable>>(
109 new CompileCodeTestCase(receiver, method, bci),
110 IllegalArgumentException.class))
111 .collect(Collectors.toList());
112 } catch (NoSuchMethodException e) {
113 throw new Error("TEST BUG : " + e.getMessage(), e);
114 }
115 return result;
116 }
117
118 private void runSanityCorrectTest(CompileCodeTestCase testCase) {
119 System.out.println(testCase);
120 Executable aMethod = testCase.executable;
121 // to generate ciTypeFlow
122 testCase.invoke(Utils.getNullValues(aMethod.getParameterTypes()));
123 int bci = testCase.bci;
124 HotSpotResolvedJavaMethod method = CTVMUtilities
125 .getResolvedMethod(aMethod);
126 for (int i = 0; i < SOME_REPEAT_VALUE; ++i) {
127 int wbCompileID = getWBCompileID(testCase);
128 int id = CompilerToVMHelper.allocateCompileId(method, bci);
129 Asserts.assertNE(id, 0, testCase + " : zero compile id");
130 Asserts.assertGT(id, wbCompileID, testCase
131 + " : allocated 'compile id' not greater than existed");
132 Asserts.assertTrue(ids.add(wbCompileID), testCase
133 + " : vm compilation allocated existing id " + id);
134 Asserts.assertTrue(ids.add(id), testCase
135 + " : allocateCompileId returned existing id " + id);
136 }
137 }
138
139 private void runSanityIncorrectTest(
140 Pair<CompileCodeTestCase, Class<? extends Throwable>> testCase) {
141 System.out.println(testCase);
142 Class<? extends Throwable> exception = testCase.second;
143 Executable aMethod = testCase.first.executable;
144 int bci = testCase.first.bci;
145 HotSpotResolvedJavaMethod method = CTVMUtilities
146 .getResolvedMethod(aMethod);
147 Utils.runAndCheckException(
148 () -> CompilerToVMHelper.allocateCompileId(method, bci),
149 exception);
150 }
151
152 private int getWBCompileID(CompileCodeTestCase testCase) {
153 NMethod nm = testCase.deoptimizeAndCompile();
154 if (nm == null || nm.compile_id <= 0) {
155 throw new Error("TEST BUG : cannot compile method " + testCase);
156 }
157 return nm.compile_id;
158 }
159 }