| /* |
| * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 8190198 |
| * @summary Test clhsdb longConstant command |
| * @requires vm.hasSA |
| * @library /test/lib |
| * @run main/othervm ClhsdbLongConstant |
| */ |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import jdk.test.lib.apps.LingeredApp; |
| import jdk.test.lib.Platform; |
| import jtreg.SkippedException; |
| |
| public class ClhsdbLongConstant { |
| |
| public static void main(String[] args) throws Exception { |
| System.out.println("Starting ClhsdbLongConstant test"); |
| |
| LingeredApp theApp = null; |
| try { |
| ClhsdbLauncher test = new ClhsdbLauncher(); |
| theApp = LingeredApp.startApp(); |
| System.out.println("Started LingeredApp with pid " + theApp.getPid()); |
| |
| List<String> cmds = List.of( |
| "longConstant", |
| "longConstant markOop::locked_value", |
| "longConstant markOop::lock_bits", |
| "longConstant jtreg::test 6", |
| "longConstant jtreg::test"); |
| |
| Map<String, List<String>> expStrMap = new HashMap<>(); |
| expStrMap.put("longConstant", List.of( |
| "longConstant markOop::locked_value", |
| "longConstant markOop::lock_bits", |
| "InvocationCounter::count_increment", |
| "markOop::epoch_mask_in_place")); |
| expStrMap.put("longConstant markOop::locked_value", List.of( |
| "longConstant markOop::locked_value")); |
| expStrMap.put("longConstant markOop::lock_bits", List.of( |
| "longConstant markOop::lock_bits")); |
| expStrMap.put("longConstant jtreg::test", List.of( |
| "longConstant jtreg::test 6")); |
| |
| Map<String, List<String>> unExpStrMap = new HashMap<>(); |
| unExpStrMap.put("longConstant jtreg::test", List.of( |
| "Error: java.lang.RuntimeException: No long constant named")); |
| |
| String longConstantOutput = test.run(theApp.getPid(), cmds, expStrMap, unExpStrMap); |
| |
| if (longConstantOutput == null) { |
| throw new SkippedException("attach permission issues"); |
| } |
| checkForTruncation(longConstantOutput); |
| } catch (SkippedException e) { |
| throw e; |
| } catch (Exception ex) { |
| throw new RuntimeException("Test ERROR " + ex, ex); |
| } finally { |
| LingeredApp.stopApp(theApp); |
| } |
| System.out.println("Test PASSED"); |
| } |
| |
| private static void checkForTruncation(String longConstantOutput) throws Exception { |
| |
| // Expected values obtained from the hash_mask_in_place definition in markOop.hpp |
| |
| // Expected output snippet is of the form (on x64-64): |
| // ... |
| // longConstant VM_Version::CPU_SHA 17179869184 |
| // longConstant markOop::biased_lock_bits 1 |
| // longConstant markOop::age_shift 3 |
| // longConstant markOop::hash_mask_in_place 549755813632 |
| // ... |
| |
| checkLongValue("markOop::hash_mask_in_place", |
| longConstantOutput, |
| Platform.is64bit() ? 549755813632L: 4294967168L); |
| |
| String arch = System.getProperty("os.arch"); |
| if (arch.equals("amd64") || arch.equals("i386") || arch.equals("x86")) { |
| // Expected value obtained from the CPU_SHA definition in vm_version_x86.hpp |
| checkLongValue("VM_Version::CPU_SHA", |
| longConstantOutput, |
| 17179869184L); |
| } |
| } |
| |
| private static void checkLongValue(String constName, String longConstantOutput, |
| long checkValue) throws Exception { |
| |
| String[] snippets = longConstantOutput.split(constName); |
| String[] words = snippets[1].split("\\R"); |
| long readValue = Long.parseLong(words[0].trim()); |
| if (readValue != checkValue) { |
| throw new Exception ("Reading " + constName + ". Expected " + checkValue + |
| ". Obtained " + readValue + " instead."); |
| } |
| } |
| } |