1 /*
   2  * Copyright (c) 2015, 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 8136421
  27  * @requires vm.jvmci
  28  * @library /test/lib /
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  31  * @modules java.base/jdk.internal.org.objectweb.asm
  32  *          java.base/jdk.internal.org.objectweb.asm.tree
  33  *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
  34  *          jdk.internal.vm.ci/jdk.vm.ci.code
  35  *          jdk.internal.vm.ci/jdk.vm.ci.runtime
  36  *
  37  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  38  * @build compiler.jvmci.compilerToVM.InvalidateInstalledCodeTest
  39  * @build sun.hotspot.WhiteBox
  40  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  41  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  42  * @run main/othervm -Xbootclasspath/a:.
  43  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  44  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI

  45  *                   compiler.jvmci.compilerToVM.InvalidateInstalledCodeTest
  46  */
  47 
  48 package compiler.jvmci.compilerToVM;
  49 
  50 import compiler.jvmci.common.CTVMUtilities;
  51 import jdk.test.lib.Asserts;
  52 import jdk.test.lib.Utils;
  53 import jdk.vm.ci.code.CodeCacheProvider;
  54 import jdk.vm.ci.code.CompilationResult;
  55 import jdk.vm.ci.code.InstalledCode;
  56 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  57 import jdk.vm.ci.hotspot.HotSpotCompilationRequest;
  58 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  59 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  60 import sun.hotspot.code.NMethod;
  61 
  62 import java.util.List;
  63 
  64 public class InvalidateInstalledCodeTest {
  65     private static final CodeCacheProvider CACHE_PROVIDER
  66             = HotSpotJVMCIRuntime.runtime().getHostJVMCIBackend()
  67                     .getCodeCache();
  68 
  69     public static void main(String[] args) {
  70         InvalidateInstalledCodeTest test
  71                 = new InvalidateInstalledCodeTest();
  72         List<CompileCodeTestCase> testCases
  73                 = CompileCodeTestCase.generate(/* bci = */ 0);
  74         testCases.addAll(CompileCodeTestCase.generate(/* bci = */ -1));
  75         testCases.forEach(test::check);
  76         test.checkNull();
  77     }
  78 
  79     private void checkNull() {
  80         Utils.runAndCheckException(
  81                 () -> CompilerToVMHelper.invalidateInstalledCode(null),
  82                 NullPointerException.class);
  83     }
  84 
  85     private void check(CompileCodeTestCase testCase) {
  86         System.out.println(testCase);
  87         HotSpotResolvedJavaMethod javaMethod
  88                 = CTVMUtilities.getResolvedMethod(testCase.executable);
  89         HotSpotCompilationRequest compRequest = new HotSpotCompilationRequest(
  90                 javaMethod, testCase.bci, /* jvmciEnv = */ 0L);
  91         String name = testCase.executable.getName();
  92         CompilationResult compResult = new CompilationResult(name);
  93         // to pass sanity check of default -1
  94         compResult.setTotalFrameSize(0);
  95         compResult.close();
  96         InstalledCode installedCode = CACHE_PROVIDER.installCode(
  97                 compRequest, compResult,
  98                 new InstalledCode(name), /* speculationLog = */ null,
  99                 /* isDefault = */ false);
 100         Asserts.assertTrue(installedCode.isValid(), testCase
 101                 + " : code is invalid even before invalidation");
 102 
 103         NMethod beforeInvalidation = testCase.toNMethod();
 104         if (beforeInvalidation != null) {
 105             throw new Error("TESTBUG : " + testCase + " : nmethod isn't found");
 106         }
 107         // run twice to verify how it works if method is already invalidated
 108         for (int i = 0; i < 2; ++i) {
 109             CompilerToVMHelper.invalidateInstalledCode(installedCode);
 110             Asserts.assertFalse(installedCode.isValid(), testCase
 111                             + " : code is valid after invalidation, i = " + i);
 112             NMethod afterInvalidation = testCase.toNMethod();
 113             if (afterInvalidation != null) {
 114                 System.err.println("before: " + beforeInvalidation);
 115                 System.err.println("after: " + afterInvalidation);
 116                 throw new AssertionError(testCase
 117                         + " : method hasn't been invalidated, i = " + i);
 118             }
 119         }
 120     }
 121 }
--- EOF ---