1 /*
2 * Copyright Amazon.com Inc. 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 8316694
27 * @summary Verify that nmethod relocation posts the correct JVMTI events
28 * @requires vm.jvmti &
29 * vm.gc != "Epsilon" &
30 * vm.flavor == "server" &
31 * (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4) &
32 * vm.compMode == "Xmixed"
33 * @library /test/lib /test/hotspot/jtreg
34 * @build jdk.test.whitebox.WhiteBox
35 * @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
36 * @run main/othervm/native -agentlib:NMethodRelocationTest
37 * --enable-native-access=ALL-UNNAMED
38 * -Xbootclasspath/a:.
39 * -Xbatch
40 * -XX:+UnlockDiagnosticVMOptions
41 * -XX:+WhiteBoxAPI
42 * -XX:+SegmentedCodeCache
43 * -XX:-TieredCompilation
44 * -XX:+UnlockExperimentalVMOptions
45 * -XX:+NMethodRelocation
46 * NMethodRelocationTest
47 */
48
49 import java.lang.reflect.Executable;
50
51 import jdk.test.lib.Asserts;
52 import jdk.test.lib.process.OutputAnalyzer;
53 import jdk.test.lib.process.ProcessTools;
54 import jdk.test.whitebox.WhiteBox;
55 import jdk.test.whitebox.code.BlobType;
56 import jdk.test.whitebox.code.NMethod;
57
58 import static compiler.whitebox.CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION;
59
60 public class NMethodRelocationTest {
61
62 /** Load native library if required. */
63 static {
64 try {
65 System.loadLibrary("NMethodRelocationTest");
66 } catch (UnsatisfiedLinkError ule) {
67 System.err.println("Could not load NMethodRelocationTest library");
68 System.err.println("java.library.path: "
69 + System.getProperty("java.library.path"));
70 throw ule;
71 }
72 }
73
74 protected static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
75
76 native static boolean shouldExit();
77
78 public static void main(String[] argv) throws Exception {
79 Executable method = NMethodRelocationTest.class.getDeclaredMethod("compiledMethod");
80 WHITE_BOX.testSetDontInlineMethod(method, true);
81
82 WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_FULL_OPTIMIZATION);
83
84 if (!WHITE_BOX.isMethodCompiled(method)) {
85 throw new AssertionError("Method not compiled");
86 }
87
88 NMethod originalNMethod = NMethod.get(method, false);
89 if (originalNMethod == null) {
90 throw new AssertionError("Could not find original nmethod");
91 }
92
93 WHITE_BOX.relocateNMethodFromMethod(method, BlobType.MethodNonProfiled.id);
94
95 NMethod relocatedNMethod = NMethod.get(method, false);
96 if (relocatedNMethod == null) {
97 throw new AssertionError("Could not find relocated nmethod");
98 }
99
100 if (originalNMethod.address == relocatedNMethod.address) {
101 throw new AssertionError("Relocated nmethod same as original");
102 }
103
104 WHITE_BOX.deoptimizeAll();
105
106 while (!shouldExit()) {
107 WHITE_BOX.fullGC();
108 }
109 }
110
111 public static long compiledMethod() {
112 return 0;
113 }
114 }