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 * @test
26 * @bug 8062280
27 * @summary C2: inlining failure due to access checks being too strict
28 * @library /testlibrary
29 * @run main/othervm MHInlineTest
30 */
31 import java.lang.invoke.*;
32 import jdk.test.lib.*;
33 import static jdk.test.lib.Asserts.*;
34
35 public class MHInlineTest {
36 public static void main(String[] args) throws Exception {
37 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
38 "-XX:+IgnoreUnrecognizedVMOptions", "-showversion",
39 "-server", "-XX:-TieredCompilation", "-Xbatch",
40 "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
41 "-XX:CompileCommand=dontinline,MHInlineTest::test*",
42 "MHInlineTest$Launcher");
43
44 OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
45
46 analyzer.shouldHaveExitValue(0);
47
48 // The test is applicable only to C2 (present in Server VM).
49 if (analyzer.getStderr().contains("Server VM")) {
50 analyzer.shouldContain("MHInlineTest$B::public_x (3 bytes) inline (hot)");
51 analyzer.shouldContain( "MHInlineTest$B::protected_x (3 bytes) inline (hot)");
52 analyzer.shouldContain( "MHInlineTest$B::package_x (3 bytes) inline (hot)");
53 analyzer.shouldContain("MHInlineTest$A::package_final_x (3 bytes) inline (hot)");
54 analyzer.shouldContain("MHInlineTest$B::private_x (3 bytes) inline (hot)");
55 analyzer.shouldContain("MHInlineTest$B::private_static_x (3 bytes) inline (hot)");
56 analyzer.shouldContain("MHInlineTest$A::package_static_x (3 bytes) inline (hot)");
57
58 analyzer.shouldNotContain("MHInlineTest$A::protected_x (3 bytes) virtual call");
59 analyzer.shouldNotContain("MHInlineTest$A::package_x (3 bytes) virtual call");
60 }
61 }
62
63 static class A {
64 public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
65
66 public Class<?> public_x() { return A.class; }
67 protected Class<?> protected_x() { return A.class; }
68 Class<?> package_x() { return A.class; }
69 final Class<?> package_final_x() { return A.class; }
70
71 static Class<?> package_static_x() { return A.class; }
72 }
73
74 static class B extends A {
75 public static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
76
77 @Override public Class<?> public_x() { return B.class; }
78 @Override protected Class<?> protected_x() { return B.class; }
79 @Override Class<?> package_x() { return B.class; }
80
81 private Class<?> private_x() { return B.class; }
82 static Class<?> private_static_x() { return B.class; }
83 }
84
85 static final MethodHandle A_PUBLIC_X;
86 static final MethodHandle A_PROTECTED_X;
87 static final MethodHandle A_PACKAGE_X;
88 static final MethodHandle A_PACKAGE_STATIC_X;
89 static final MethodHandle A_PACKAGE_FINAL_X;
90
91 static final MethodHandle B_PRIVATE_X;
92 static final MethodHandle B_PRIVATE_STATIC_X;
93
94 static {
95 try {
96 MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
97
98 A_PUBLIC_X = LOOKUP.findVirtual(
99 A.class, "public_x", MethodType.methodType(Class.class));
100 A_PROTECTED_X = LOOKUP.findVirtual(
101 A.class, "protected_x", MethodType.methodType(Class.class));
102 A_PACKAGE_X = LOOKUP.findVirtual(
103 A.class, "package_x", MethodType.methodType(Class.class));
104 A_PACKAGE_FINAL_X = LOOKUP.findVirtual(
105 A.class, "package_final_x", MethodType.methodType(Class.class));
106 A_PACKAGE_STATIC_X = LOOKUP.findStatic(
107 A.class, "package_static_x", MethodType.methodType(Class.class));
108
109 B_PRIVATE_X = B.LOOKUP.findVirtual(
110 B.class, "private_x", MethodType.methodType(Class.class));
111 B_PRIVATE_STATIC_X = B.LOOKUP.findStatic(
112 B.class, "private_static_x", MethodType.methodType(Class.class));
113 } catch (Exception e) {
114 throw new Error(e);
115 }
116 }
117
118 static final A a = new B();
119
120 private static void testPublicMH() {
121 try {
122 Class<?> r = (Class<?>)A_PUBLIC_X.invokeExact(a);
123 assertEquals(r, B.class);
124 } catch (Throwable throwable) {
125 throw new Error(throwable);
126 }
127 }
128
129 private static void testProtectedMH() {
130 try {
131 Class<?> r = (Class<?>)A_PROTECTED_X.invokeExact(a);
132 assertEquals(r, B.class);
133 } catch (Throwable throwable) {
134 throw new Error(throwable);
135 }
136 }
137
138 private static void testPackageMH() {
139 try {
140 Class<?> r = (Class<?>)A_PACKAGE_X.invokeExact(a);
141 assertEquals(r, B.class);
142 } catch (Throwable throwable) {
143 throw new Error(throwable);
144 }
145 }
146
147 private static void testPackageFinalMH() {
148 try {
149 Class<?> r = (Class<?>)A_PACKAGE_FINAL_X.invokeExact(a);
150 assertEquals(r, A.class);
151 } catch (Throwable throwable) {
152 throw new Error(throwable);
153 }
154 }
155
156 private static void testPackageStaticMH() {
157 try {
158 Class<?> r = (Class<?>)A_PACKAGE_STATIC_X.invokeExact();
159 assertEquals(r, A.class);
160 } catch (Throwable throwable) {
161 throw new Error(throwable);
162 }
163 }
164
165 private static void testPrivateMH() {
166 try {
167 Class<?> r = (Class<?>)B_PRIVATE_X.invokeExact((B)a);
168 assertEquals(r, B.class);
169 } catch (Throwable throwable) {
170 throw new Error(throwable);
171 }
172 }
173
174 private static void testPrivateStaticMH() {
175 try {
176 Class<?> r = (Class<?>)B_PRIVATE_STATIC_X.invokeExact();
177 assertEquals(r, B.class);
178 } catch (Throwable throwable) {
179 throw new Error(throwable);
180 }
181 }
182 static class Launcher {
183 public static void main(String[] args) throws Exception {
184 for (int i = 0; i < 20_000; i++) {
185 testPublicMH();
186 }
187 for (int i = 0; i < 20_000; i++) {
188 testProtectedMH();
189 }
190 for (int i = 0; i < 20_000; i++) {
191 testPackageMH();
192 }
193 for (int i = 0; i < 20_000; i++) {
194 testPackageFinalMH();
195 }
196 for (int i = 0; i < 20_000; i++) {
197 testPackageStaticMH();
198 }
199 for (int i = 0; i < 20_000; i++) {
200 testPrivateMH();
201 }
202 for (int i = 0; i < 20_000; i++) {
203 testPrivateStaticMH();
204 }
205 }
206 }
207 }