1 /*
   2  * Copyright (c) 2015, 2018, 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 package org.graalvm.compiler.core.test;
  26 
  27 import org.graalvm.compiler.api.directives.GraalDirectives;
  28 import org.junit.Test;
  29 
  30 import jdk.vm.ci.code.InstalledCode;
  31 import jdk.vm.ci.code.InvalidInstalledCodeException;
  32 
  33 public class InstalledCodeInvalidationTest extends GraalCompilerTest {
  34 
  35     public void recurse(InstalledCode code, int depth) throws InvalidInstalledCodeException {
  36         if (depth > 1) {
  37             /*
  38              * Recurse a few times to ensure there are multiple activations.
  39              */
  40             code.executeVarargs(this, code, depth - 1);
  41         } else {
  42             /*
  43              * Deoptimize this activation and make the compiled code no longer usable.
  44              */
  45 
  46             GraalDirectives.deoptimizeAndInvalidate();
  47             assert code.isAlive() && !code.isValid();
  48             code.invalidate();
  49             assert !code.isAlive();
  50         }
  51         if (GraalDirectives.inCompiledCode()) {
  52             /*
  53              * If this still in compiled code then the deoptimizeAndInvalidate call above didn't
  54              * remove all existing activations.
  55              */
  56             throw new InternalError();
  57         }
  58     }
  59 
  60     /**
  61      * Test that after uncommon trapping in an installed code it's still possible to invalidate all
  62      * existing activations of that installed code.
  63      *
  64      * @throws InvalidInstalledCodeException
  65      */
  66     @Test
  67     public void testInstalledCodeInvalidation() throws InvalidInstalledCodeException {
  68         InstalledCode code = getCode(getMetaAccess().lookupJavaMethod(getMethod("recurse")));
  69         code.executeVarargs(this, code, 3);
  70     }
  71 }