1 /*
2 * Copyright (c) 2014, 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 8031320
27 * @summary Verify UseRTMLocking option processing on CPU without
28 * rtm support.
29 * @library /test/lib /
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * @requires (!vm.rtm.cpu) & (vm.flavor == "server" & !vm.emulatedClient)
33 * @build sun.hotspot.WhiteBox
34 * @run driver ClassFileInstaller sun.hotspot.WhiteBox
35 * sun.hotspot.WhiteBox$WhiteBoxPermission
36 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
37 * -XX:+WhiteBoxAPI
38 * compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU
39 */
40
41 package compiler.rtm.cli;
42
43 import jdk.test.lib.process.ExitCode;
44 import jdk.test.lib.Platform;
45 import jdk.test.lib.cli.CommandLineOptionTest;
46
47 public class TestUseRTMLockingOptionOnUnsupportedCPU {
48 private static final String DEFAULT_VALUE = "false";
49
50 public void runTestCases() throws Throwable {
51 String unrecognizedOption
52 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage(
53 "UseRTMLocking");
54 String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR;
55
56 if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) {
57 String shouldFailMessage = "JVM startup should fail with option " +
58 "-XX:+UseRTMLocking on unsupported CPU";
59
60 try {
61 // verify that we get an error when use +UseRTMLocking
62 // on unsupported CPU
63 CommandLineOptionTest.verifySameJVMStartup(
64 new String[] { errorMessage },
65 new String[] { unrecognizedOption }, shouldFailMessage,
66 shouldFailMessage + ". Error message should be shown.",
67 ExitCode.FAIL, "-XX:+UseRTMLocking");
68 } catch (Throwable e) {
69 // verify that we get an error when use +UseRTMLocking
70 // on unsupported OS. It might be the case that although CPU
71 // supports RTM the OS version does not support RTM
72 if (Platform.isPPC()) {
73 String errorMessage2 = RTMGenericCommandLineOptionTest.RTM_OS_ERROR;
74 String shouldFailMessage2 = "JVM startup should fail with option " +
75 "-XX:+UseRTMLocking on unsupported CPU or " +
76 "OS version";
77
78 CommandLineOptionTest.verifySameJVMStartup(
79 new String[] { errorMessage2 },
80 new String[] { unrecognizedOption}, shouldFailMessage2,
81 shouldFailMessage2 + ". Error message should be shown.",
82 ExitCode.FAIL, "-XX:+UseRTMLocking");
83 } else {
84 throw e; // checking unsupported OS error is not necessary
85 }
86 }
87
88 String shouldPassMessage = "JVM startup should pass with option "
89 + "-XX:-UseRTMLocking even on unsupported CPU";
90 // verify that we can pass -UseRTMLocking without
91 // getting any error messages
92 CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
93 errorMessage, unrecognizedOption }, shouldPassMessage,
94 shouldPassMessage + " without any warnings", ExitCode.OK,
95 "-XX:-UseRTMLocking");
96
97 // verify that UseRTMLocking is false by default
98 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking",
99 TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE,
100 String.format("Default value of option 'UseRTMLocking' "
101 +"should be '%s'", DEFAULT_VALUE));
102 } else {
103 String shouldFailMessage = "RTMLocking should be unrecognized"
104 + " on non-x86 CPUs. JVM startup should fail."
105 + "Error message should be shown";
106 // verify that on non-x86 CPUs RTMLocking could not be used
107 CommandLineOptionTest.verifySameJVMStartup(
108 new String[] { unrecognizedOption },
109 null, shouldFailMessage, shouldFailMessage,
110 ExitCode.FAIL, "-XX:+UseRTMLocking");
111
112 CommandLineOptionTest.verifySameJVMStartup(
113 new String[] { unrecognizedOption },
114 null, shouldFailMessage, shouldFailMessage,
115 ExitCode.FAIL, "-XX:-UseRTMLocking");
116 }
117 }
118
119 public static void main(String args[]) throws Throwable {
120 new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases();
121 }
122 }