1 /*
   2  * Copyright (c) 2015, 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 /*
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
  29  * @library /testlibrary /../../test/lib /
  30  * @compile ../common/CompilerToVMHelper.java
  31  * @build sun.hotspot.WhiteBox
  32  *        compiler.jvmci.compilerToVM.InvalidateInstalledCodeTest
  33  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  34  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  35  *                              jdk.vm.ci.hotspot.CompilerToVMHelper
  36  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  37  *      -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
  38  *      compiler.jvmci.compilerToVM.InvalidateInstalledCodeTest
  39  */
  40 
  41 package compiler.jvmci.compilerToVM;
  42 
  43 import jdk.vm.ci.code.InstalledCode;
  44 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  45 import jdk.test.lib.Asserts;
  46 import sun.hotspot.code.NMethod;
  47 
  48 import java.util.List;
  49 
  50 public class InvalidateInstalledCodeTest {
  51     public static void main(String[] args) {
  52         InvalidateInstalledCodeTest test
  53                 = new InvalidateInstalledCodeTest();
  54         List<CompileCodeTestCase> testCases
  55                 = CompileCodeTestCase.generate(/* bci = */ 0);
  56         testCases.addAll(CompileCodeTestCase.generate(/* bci = */ -1));
  57         testCases.forEach(test::check);
  58         test.checkNull();
  59     }
  60 
  61     private void checkNull() {
  62         InstalledCode installedCode = new InstalledCode("<null>");
  63         installedCode.setAddress(0);
  64         CompilerToVMHelper.invalidateInstalledCode(installedCode);
  65     }
  66 
  67     private void check(CompileCodeTestCase testCase) {
  68         System.out.println(testCase);
  69         // to have a clean state
  70         NMethod beforeInvalidation = testCase.deoptimizeAndCompile();
  71         if (beforeInvalidation == null) {
  72             throw new Error("method is not compiled, testCase " + testCase);
  73         }
  74 
  75         // run twice to verify how it works if method is already invalidated
  76         for (int i = 0; i < 2; ++i) {
  77             InstalledCode installedCode = new InstalledCode(
  78                     testCase.executable.getName());
  79             installedCode.setAddress(beforeInvalidation.address);
  80 
  81             CompilerToVMHelper.invalidateInstalledCode(installedCode);
  82             NMethod afterInvalidation = testCase.toNMethod();
  83             if (afterInvalidation != null) {
  84                 System.err.println("before: " + beforeInvalidation);
  85                 System.err.println("after: " + afterInvalidation);
  86                 throw new AssertionError(testCase
  87                         + " : method hasn't been invalidated, i = " + i);
  88             }
  89             Asserts.assertFalse(installedCode.isValid(), testCase
  90                             + " : code is valid after invalidation, i = " + i);
  91         }
  92     }
  93 }