1 /*
2 * Copyright (c) 2022, 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 8279822
27 * @requires vm.flagless
28 * @library /test/lib
29 * @modules java.base/jdk.internal.org.objectweb.asm
30 *
31 * @run main compiler.runtime.TestConstantsInError
32 */
33 package compiler.runtime;
34
35 import jdk.internal.org.objectweb.asm.*;
36 import jdk.test.lib.Platform;
37 import jdk.test.lib.process.OutputAnalyzer;
38 import jdk.test.lib.process.ProcessTools;
39
40 import java.io.FileOutputStream;
41 import java.io.IOException;
42 import java.lang.invoke.MethodHandle;
43 import java.lang.invoke.MethodHandleProxies;
44 import java.lang.invoke.MethodHandles;
45 import java.lang.invoke.MethodType;
46 import java.util.ArrayList;
47 import java.util.List;
48
49 import static jdk.internal.org.objectweb.asm.ClassWriter.*;
50 import static jdk.internal.org.objectweb.asm.Opcodes.*;
51
52 interface OutputProcessor {
53 default void process(OutputAnalyzer output, boolean isC1) {}
54 }
55
56 public abstract class TestConstantsInError implements OutputProcessor {
57 static final String TEST_PREFIX = class2desc(TestConstantsInError.class) + "$Test";
58
59 public interface Test extends Runnable {}
60
61
62 interface Generator {
63 void generate(MethodVisitor mv);
64 }
65
66 static String class2desc(Class<?> cls) {
67 return cls.getName().replace('.', '/');
68 }
69
70 public static final String PATH = System.getProperty("test.classes", ".") + java.io.File.separator;
71
72 static byte[] generateClassFile(String suffix, Generator g) throws IOException {
73 var cw = new ClassWriter(COMPUTE_MAXS | COMPUTE_FRAMES);
74 String name = TEST_PREFIX + "_" + suffix;
75 cw.visit(V17, ACC_PUBLIC | ACC_SUPER, name, null, "java/lang/Object", null);
76
77 {
78 var mv = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "test", "()V", null, null);
79 mv.visitCode();
80 g.generate(mv);
81 mv.visitInsn(RETURN);
82 mv.visitMaxs(0, 0);
83 }
84 byte[] classFile = cw.toByteArray();
85
86 try (FileOutputStream fos = new FileOutputStream(PATH + name + ".class")) {
87 fos.write(classFile);
88 }
89
90 return classFile;
91 }
92
93 static Test generate(String suffix, Class<? extends LinkageError> expectedError, Generator g) {
94 try {
95 byte[] classFile = generateClassFile(suffix, g);
96 MethodHandles.Lookup testLookup = MethodHandles.lookup().defineHiddenClass(classFile, true);
97 MethodHandle testMH = testLookup.findStatic(testLookup.lookupClass(), "test", MethodType.methodType(void.class));
98
99 testMH = MethodHandles.filterReturnValue(testMH,
100 MethodHandles.insertArguments(
101 MethodHandles.throwException(void.class, AssertionError.class),
102 0, new AssertionError("no exception thrown")));
103
104 // Install empty handler for linkage exceptions.
105 testMH = MethodHandles.catchException(testMH, expectedError,
106 MethodHandles.empty(MethodType.methodType(void.class, expectedError)));
107
108 return MethodHandleProxies.asInterfaceInstance(Test.class, testMH);
109 } catch (Throwable e) {
110 throw new InternalError(e);
111 }
112 }
113
114 static void run(String name, Class<? extends LinkageError> expectedError, Generator g) {
115 Test test = generate(name, expectedError, g);
116 for (int i = 0; i < 1000; i++) {
117 test.run();
118 }
119 }
120
121 static class TestConstantClass extends TestConstantsInError {
122 public static void main(String[] args) {
123 run("C1", NoClassDefFoundError.class, mv -> mv.visitLdcInsn(Type.getType("LUnknownClass;"))); // non-existent class
124 run("C2", IllegalAccessError.class, mv -> mv.visitLdcInsn(Type.getType("Ljava/lang/invoke/LambdaForm;"))); // inaccessible
125
126 // class loader constraints?
127 }
128
129 public void process(OutputAnalyzer results, boolean isC1) {
130 results.shouldMatch("Test_C1/.*::test \\(3 bytes\\)$")
131 .shouldMatch("Test_C2/.*::test \\(3 bytes\\)$");
132
133 if (isC1 && Platform.isAArch64()) { // no code patching
134 results.shouldMatch("Test_C1/.*::test \\(3 bytes\\) made not entrant")
135 .shouldMatch("Test_C2/.*::test \\(3 bytes\\) made not entrant");
136 } else {
137 results.shouldNotContain("made not entrant");
138 }
139 }
140
141 public void processC2(OutputAnalyzer results) {
142 results.shouldNotContain("made not entrant");
143 }
144 }
145
146 static class TestConstantMethodHandle extends TestConstantsInError {
147 public static void main(String[] args) {
148 // Non-existent holder class
149 run("MH1", NoClassDefFoundError.class,
150 mv -> mv.visitLdcInsn(new Handle(H_INVOKESTATIC, "UnknownClass", "ignored", "()V", false)));
151
152 // Inaccessible holder class
153 run("MH2", IllegalAccessError.class,
154 mv -> mv.visitLdcInsn(new Handle(H_INVOKESTATIC, "java/lang/invoke/LambdaForm", "ignored", "()V", false)));
155
156 // Method vs InterfaceMethod mismatch
157 run("MH3", IncompatibleClassChangeError.class,
158 mv -> mv.visitLdcInsn(new Handle(H_INVOKESTATIC, "java/lang/Object", "ignored", "()V", true)));
159
160 // Non-existent method
161 run("MH4", NoSuchMethodError.class,
162 mv -> mv.visitLdcInsn(new Handle(H_INVOKESTATIC, "java/lang/Object", "cast", "()V", false)));
163 }
164
165 public void process(OutputAnalyzer results, boolean isC1) {
166 results.shouldMatch("Test_MH1/.*::test \\(3 bytes\\)$")
167 .shouldMatch("Test_MH2/.*::test \\(3 bytes\\)$")
168 .shouldMatch("Test_MH3/.*::test \\(3 bytes\\)$")
169 .shouldMatch("Test_MH4/.*::test \\(3 bytes\\)$");
170
171 if (isC1 && Platform.isAArch64()) { // no code patching
172 results.shouldMatch("Test_MH1/.*::test \\(3 bytes\\) made not entrant")
173 .shouldMatch("Test_MH2/.*::test \\(3 bytes\\) made not entrant")
174 .shouldMatch("Test_MH3/.*::test \\(3 bytes\\) made not entrant")
175 .shouldMatch("Test_MH4/.*::test \\(3 bytes\\) made not entrant");
176 } else {
177 results.shouldNotContain("made not entrant");
178 }
179 }
180 }
181
182 static class TestConstantMethodType extends TestConstantsInError {
183 public static void main(String[] args) {
184 run("MT1", NoClassDefFoundError.class,
185 mv -> mv.visitLdcInsn(Type.getMethodType("(LUnknownClass;)V")));
186 run("MT2", NoClassDefFoundError.class,
187 mv -> mv.visitLdcInsn(Type.getMethodType("()LUnknownClass;")));
188 }
189
190 public void process(OutputAnalyzer results, boolean isC1) {
191 results.shouldMatch("Test_MT1/.*::test \\(3 bytes\\)$")
192 .shouldMatch("Test_MT2/.*::test \\(3 bytes\\)$");
193
194 if (isC1 && Platform.isAArch64()) { // no code patching
195 results.shouldMatch("Test_MT1/.*::test \\(3 bytes\\) made not entrant")
196 .shouldMatch("Test_MT2/.*::test \\(3 bytes\\) made not entrant");
197 } else {
198 results.shouldNotContain("made not entrant");
199 }
200 }
201 }
202
203 static class TestConstantDynamic extends TestConstantsInError {
204 static int bsm1() throws Exception {
205 throw new AssertionError("should not be invoked");
206 }
207
208 static int bsm2(MethodHandles.Lookup lookup, String name, Class c) throws Exception {
209 throw new Exception("expected");
210 }
211
212 static final Handle BSM1 = new Handle(H_INVOKESTATIC, class2desc(TestConstantDynamic.class), "bsm1", "()I", false);
213 static final Handle BSM2 = new Handle(H_INVOKESTATIC, class2desc(TestConstantDynamic.class), "bsm2",
214 "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)I",
215 false);
216
217 public static void main(String[] args) {
218 run("CD1", NoClassDefFoundError.class,
219 mv -> {
220 Handle bsm = new Handle(H_INVOKESTATIC, "UnknownClass", "unknown", "()LUnknownClass;", false);
221 mv.visitLdcInsn(new ConstantDynamic("tmp", "LUnknownClass;", bsm));
222 });
223 run("CD2", NoSuchMethodError.class,
224 mv -> {
225 Handle bsm = new Handle(H_INVOKESTATIC, class2desc(TestConstantDynamic.class), "unknown", "()I", false);
226 mv.visitLdcInsn(new ConstantDynamic("tmp", "LUnknownClass;", bsm));
227 });
228 run("CD3", BootstrapMethodError.class, mv -> mv.visitLdcInsn(new ConstantDynamic("tmp", "I", BSM1)));
229 run("CD4", BootstrapMethodError.class, mv -> mv.visitLdcInsn(new ConstantDynamic("tmp", "I", BSM2)));
230 }
231
232 public void process(OutputAnalyzer results, boolean isC1) {
233 if (isC1) {
234 results.shouldMatch("Test_CD1.*::test \\(3 bytes\\) COMPILE SKIPPED: could not resolve a constant")
235 .shouldMatch("Test_CD2.*::test \\(3 bytes\\) COMPILE SKIPPED: could not resolve a constant")
236 .shouldMatch("Test_CD3.*::test \\(3 bytes\\) COMPILE SKIPPED: could not resolve a constant")
237 .shouldMatch("Test_CD4.*::test \\(3 bytes\\) COMPILE SKIPPED: could not resolve a constant");
238 } else {
239 results.shouldMatch("Test_CD1.*::test \\(3 bytes\\)$")
240 .shouldMatch("Test_CD2.*::test \\(3 bytes\\)$")
241 .shouldMatch("Test_CD3.*::test \\(3 bytes\\)$")
242 .shouldMatch("Test_CD4.*::test \\(3 bytes\\)$");
243 }
244 }
245 }
246
247 static void run(TestConstantsInError test) throws Exception {
248 List<String> commonArgs = List.of(
249 "--add-exports", "java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED",
250 "-Xbatch", "-XX:CompileThreshold=100",
251 "-XX:CompileCommand=quiet", "-XX:CompileCommand=compileonly,*::test",
252 "-XX:+PrintCompilation",
253 "-XX:CompileCommand=print,*::test",
254 "-Dtest.classes=" + System.getProperty("test.classes", "."),
255 "-XX:+IgnoreUnrecognizedVMOptions",
256 test.getClass().getName());
257
258 ArrayList<String> c1Args = new ArrayList<>();
259 c1Args.addAll(List.of("-XX:+TieredCompilation", "-XX:TieredStopAtLevel=1", "-XX:+TracePatching"));
260 c1Args.addAll(commonArgs);
261
262 OutputAnalyzer outputC1 = ProcessTools.executeTestJvm(c1Args)
263 .shouldHaveExitValue(0);
264
265 test.process(outputC1, true);
266
267 ArrayList<String> c2Args = new ArrayList<>();
268 c2Args.add("-XX:-TieredCompilation");
269 c2Args.addAll(commonArgs);
270
271 OutputAnalyzer outputC2 = ProcessTools.executeTestJvm(c2Args)
272 .shouldHaveExitValue(0);
273
274 test.process(outputC2, false);
275 }
276
277 public static void main(String[] args) throws Exception {
278 run(new TestConstantClass());
279 run(new TestConstantMethodType());
280 run(new TestConstantMethodHandle());
281 run(new TestConstantDynamic());
282 }
283 }