1 /*
2 * Copyright (c) 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 8087223
27 * @summary Adding constantTag to keep method call consistent with it.
28 * @library /testlibrary
29 * @modules java.base/jdk.internal.org.objectweb.asm
30 * java.base/jdk.internal.misc
31 * java.management
32 * @compile -XDignore.symbol.file BadMethodHandles.java
33 * @run main/othervm BadMethodHandles
34 */
35
36 import jdk.internal.org.objectweb.asm.*;
37 import java.io.FileOutputStream;
38 import java.lang.reflect.InvocationTargetException;
39 import java.lang.invoke.MethodHandle;
40 import java.lang.invoke.MethodHandles;
41 import java.lang.invoke.MethodType;
42 import static jdk.internal.org.objectweb.asm.Opcodes.*;
43
44 public class BadMethodHandles {
45
46 static byte[] dumpBadInterfaceMethodref() {
47 ClassWriter cw = new ClassWriter(0);
48 cw.visit(52, ACC_PUBLIC | ACC_SUPER, "BadInterfaceMethodref", null, "java/lang/Object", null);
49 Handle handle1 =
50 new Handle(Opcodes.H_INVOKEINTERFACE, "BadInterfaceMethodref", "m", "()V");
51 Handle handle2 =
52 new Handle(Opcodes.H_INVOKEINTERFACE, "BadInterfaceMethodref", "staticM", "()V");
53
54 {
55 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
56 mv.visitCode();
57 mv.visitVarInsn(ALOAD, 0);
58 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
59 mv.visitInsn(RETURN);
60 mv.visitMaxs(1, 1);
61 mv.visitEnd();
62 }
63 {
64 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "m", "()V", null, null);
65 mv.visitCode();
66 mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
67 mv.visitLdcInsn("hello from m");
68 mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false/*intf*/);
69 mv.visitInsn(RETURN);
70 mv.visitMaxs(3, 1);
71 mv.visitEnd();
72 }
73 {
74 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "staticM", "()V", null, null);
75 mv.visitCode();
76 mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
77 mv.visitLdcInsn("hello from staticM");
78 mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false/*intf*/);
79 mv.visitInsn(RETURN);
80 mv.visitMaxs(3, 1);
81 mv.visitEnd();
82 }
83
84 {
85 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "runm", "()V", null, null);
86 mv.visitCode();
87 // REF_invokeStatic
88 mv.visitLdcInsn(handle1);
89 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/invoke/MethodHandle", "invoke", "()V", false);
90 mv.visitInsn(RETURN);
91 mv.visitMaxs(1, 1);
92 mv.visitEnd();
93 }
94
95 {
96 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "runStaticM", "()V", null, null);
97 mv.visitCode();
98 // REF_invokeStatic
99 mv.visitLdcInsn(handle2);
100 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/invoke/MethodHandle", "invoke", "()V", false);
101 mv.visitInsn(RETURN);
102 mv.visitMaxs(1, 1);
103 mv.visitEnd();
104 }
105
106 cw.visitEnd();
107 return cw.toByteArray();
108 }
109
110 static byte[] dumpIBad() {
111 ClassWriter cw = new ClassWriter(0);
112 cw.visit(52, ACC_PUBLIC | ACC_ABSTRACT | ACC_INTERFACE, "IBad", null, "java/lang/Object", null);
113 {
114 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "m", "()V", null, null);
115 mv.visitCode();
116 mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
117 mv.visitLdcInsn("hello from m");
118 mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false/*intf*/);
119 mv.visitInsn(RETURN);
120 mv.visitMaxs(3, 1);
121 mv.visitEnd();
122 }
123 {
124 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "staticM", "()V", null, null);
125 mv.visitCode();
126 mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
127 mv.visitLdcInsn("hello from staticM");
128 mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false/*intf*/);
129 mv.visitInsn(RETURN);
130 mv.visitMaxs(3, 1);
131 mv.visitEnd();
132 }
133 cw.visitEnd();
134 return cw.toByteArray();
135 }
136
137 static byte[] dumpBadMethodref() {
138 ClassWriter cw = new ClassWriter(0);
139 cw.visit(52, ACC_PUBLIC | ACC_SUPER, "BadMethodref", null, "java/lang/Object", new String[]{"IBad"});
140 Handle handle1 =
141 new Handle(Opcodes.H_INVOKEINTERFACE, "BadMethodref", "m", "()V");
142 Handle handle2 =
143 new Handle(Opcodes.H_INVOKEINTERFACE, "BadMethodref", "staticM", "()V");
144
145 {
146 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
147 mv.visitCode();
148 mv.visitVarInsn(ALOAD, 0);
149 mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
150 mv.visitInsn(RETURN);
151 mv.visitMaxs(1, 1);
152 mv.visitEnd();
153 }
154
155 {
156 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "runm", "()V", null, null);
157 mv.visitCode();
158 // REF_invokeStatic
159 mv.visitLdcInsn(handle1);
160 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/invoke/MethodHandle", "invoke", "()V", false);
161 mv.visitInsn(RETURN);
162 mv.visitMaxs(1, 1);
163 mv.visitEnd();
164 }
165
166 {
167 MethodVisitor mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "runStaticM", "()V", null, null);
168 mv.visitCode();
169 // REF_invokeStatic
170 mv.visitLdcInsn(handle2);
171 mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/invoke/MethodHandle", "invoke", "()V", false);
172 mv.visitInsn(RETURN);
173 mv.visitMaxs(1, 1);
174 mv.visitEnd();
175 }
176
177 cw.visitEnd();
178 return cw.toByteArray();
179 }
180 static class CL extends ClassLoader {
181 @Override
182 protected Class<?> findClass(String name) throws ClassNotFoundException {
183 byte[] classBytes = null;
184 switch (name) {
185 case "BadInterfaceMethodref": classBytes = dumpBadInterfaceMethodref(); break;
186 case "BadMethodref" : classBytes = dumpBadMethodref(); break;
187 case "IBad" : classBytes = dumpIBad(); break;
188 default : throw new ClassNotFoundException(name);
189 }
190 return defineClass(name, classBytes, 0, classBytes.length);
191 }
192 }
193
194 public static void main(String[] args) throws Throwable {
195 try (FileOutputStream fos = new FileOutputStream("BadInterfaceMethodref.class")) {
196 fos.write(dumpBadInterfaceMethodref());
197 }
198 try (FileOutputStream fos = new FileOutputStream("IBad.class")) {
199 fos.write(dumpIBad());
200 }
201 try (FileOutputStream fos = new FileOutputStream("BadMethodref.class")) {
202 fos.write(dumpBadMethodref());
203 }
204
205 Class<?> cls = (new CL()).loadClass("BadInterfaceMethodref");
206 String[] methods = {"runm", "runStaticM"};
207 System.out.println("Test BadInterfaceMethodref:");
208 int success = 0;
209 for (String name : methods) {
210 try {
211 System.out.printf("invoke %s: \n", name);
212 cls.getMethod(name).invoke(cls.newInstance());
213 System.out.println("FAILED - ICCE should be thrown");
214 } catch (Throwable e) {
215 if (e instanceof InvocationTargetException && e.getCause() != null &&
216 e.getCause() instanceof IncompatibleClassChangeError) {
217 System.out.println("PASSED - expected ICCE thrown");
218 success++;
219 continue;
220 } else {
221 System.out.println("FAILED with wrong exception" + e);
222 throw e;
223 }
224 }
225 }
226 if (success != methods.length) {
227 throw new Exception("BadInterfaceMethodRef Failed to catch IncompatibleClassChangeError");
228 }
229 System.out.println("Test BadMethodref:");
230 cls = (new CL()).loadClass("BadMethodref");
231 success = 0;
232 for (String name : methods) {
233 try {
234 System.out.printf("invoke %s: \n", name);
235 cls.getMethod(name).invoke(cls.newInstance());
236 System.out.println("FAILED - ICCE should be thrown");
237 } catch (Throwable e) {
238 if (e instanceof InvocationTargetException && e.getCause() != null &&
239 e.getCause() instanceof IncompatibleClassChangeError) {
240 System.out.println("PASSED - expected ICCE thrown");
241 success++;
242 continue;
243 } else {
244 System.out.println("FAILED with wrong exception" + e);
245 throw e;
246 }
247 }
248 }
249 if (success != methods.length) {
250 throw new Exception("BadMethodRef Failed to catch IncompatibleClassChangeError");
251 }
252
253 }
254 }