1 /* 2 * Copyright (c) 2014, 2020, 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 CPUs without 28 * rtm support. 29 * @library /test/lib / 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @requires !vm.rtm.cpu & vm.rtm.compiler 33 * @run driver compiler.rtm.cli.TestUseRTMLockingOptionOnUnsupportedCPU 34 */ 35 36 package compiler.rtm.cli; 37 38 import jdk.test.lib.process.ExitCode; 39 import jdk.test.lib.Platform; 40 import jdk.test.lib.cli.CommandLineOptionTest; 41 42 public class TestUseRTMLockingOptionOnUnsupportedCPU { 43 private static final String DEFAULT_VALUE = "false"; 44 45 public void runTestCases() throws Throwable { 46 String unrecognizedOption 47 = CommandLineOptionTest.getUnrecognizedOptionErrorMessage( 48 "UseRTMLocking"); 49 String errorMessage = RTMGenericCommandLineOptionTest.RTM_INSTR_ERROR; 50 51 if (Platform.isX86() || Platform.isX64() || Platform.isPPC()) { 52 String shouldFailMessage = "JVM startup should fail with option " + 53 "-XX:+UseRTMLocking on unsupported CPU"; 54 55 try { 56 // verify that we get an error when use +UseRTMLocking 57 // on unsupported CPU 58 CommandLineOptionTest.verifySameJVMStartup( 59 new String[] { errorMessage }, 60 new String[] { unrecognizedOption }, shouldFailMessage, 61 shouldFailMessage + ". Error message should be shown.", 62 ExitCode.FAIL, "-XX:+UseRTMLocking"); 63 } catch (Throwable e) { 64 // verify that we get an error when use +UseRTMLocking 65 // on unsupported OS. It might be the case that although CPU 66 // supports RTM the OS version does not support RTM 67 if (Platform.isPPC()) { 68 String errorMessage2 = RTMGenericCommandLineOptionTest.RTM_OS_ERROR; 69 String shouldFailMessage2 = "JVM startup should fail with option " + 70 "-XX:+UseRTMLocking on unsupported CPU or " + 71 "OS version"; 72 73 CommandLineOptionTest.verifySameJVMStartup( 74 new String[] { errorMessage2 }, 75 new String[] { unrecognizedOption}, shouldFailMessage2, 76 shouldFailMessage2 + ". Error message should be shown.", 77 ExitCode.FAIL, "-XX:+UseRTMLocking"); 78 } else { 79 throw e; // checking unsupported OS error is not necessary 80 } 81 } 82 83 String shouldPassMessage = "JVM startup should pass with option " 84 + "-XX:-UseRTMLocking even on unsupported CPU"; 85 // verify that we can pass -UseRTMLocking without 86 // getting any error messages 87 CommandLineOptionTest.verifySameJVMStartup(null, new String[] { 88 errorMessage, unrecognizedOption }, shouldPassMessage, 89 shouldPassMessage + " without any warnings", ExitCode.OK, 90 "-XX:-UseRTMLocking"); 91 92 // verify that UseRTMLocking is false by default 93 CommandLineOptionTest.verifyOptionValueForSameVM("UseRTMLocking", 94 TestUseRTMLockingOptionOnUnsupportedCPU.DEFAULT_VALUE, 95 String.format("Default value of option 'UseRTMLocking' " 96 +"should be '%s'", DEFAULT_VALUE)); 97 } else { 98 String shouldFailMessage = "RTMLocking should be unrecognized" 99 + " on non-x86 CPUs. JVM startup should fail." 100 + "Error message should be shown"; 101 // verify that on non-x86 CPUs RTMLocking could not be used 102 CommandLineOptionTest.verifySameJVMStartup( 103 new String[] { unrecognizedOption }, 104 null, shouldFailMessage, shouldFailMessage, 105 ExitCode.FAIL, "-XX:+UseRTMLocking"); 106 107 CommandLineOptionTest.verifySameJVMStartup( 108 new String[] { unrecognizedOption }, 109 null, shouldFailMessage, shouldFailMessage, 110 ExitCode.FAIL, "-XX:-UseRTMLocking"); 111 } 112 } 113 114 public static void main(String args[]) throws Throwable { 115 new TestUseRTMLockingOptionOnUnsupportedCPU().runTestCases(); 116 } 117 }