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  * @requires vm.jvmci
  27  * @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot
  28  *          jdk.internal.vm.ci/jdk.vm.ci.code
  29  *          jdk.internal.vm.ci/jdk.vm.ci.code.site
  30  *          jdk.internal.vm.ci/jdk.vm.ci.meta
  31  *          jdk.internal.vm.ci/jdk.vm.ci.runtime
  32  *          jdk.internal.vm.ci/jdk.vm.ci.common
  33  * @compile CodeInstallerTest.java
  34  * @run junit/othervm -da:jdk.vm.ci... -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  35  *             -Djvmci.Compiler=null compiler.jvmci.errors.TestInvalidOopMap
  36  */
  37 
  38 package compiler.jvmci.errors;
  39 
  40 import jdk.vm.ci.code.BytecodePosition;
  41 import jdk.vm.ci.code.DebugInfo;
  42 import jdk.vm.ci.code.Location;
  43 import jdk.vm.ci.code.ReferenceMap;
  44 import jdk.vm.ci.code.Register;
  45 import jdk.vm.ci.code.StackSlot;
  46 import jdk.vm.ci.code.site.DataPatch;
  47 import jdk.vm.ci.code.site.Infopoint;
  48 import jdk.vm.ci.code.site.InfopointReason;
  49 import jdk.vm.ci.code.site.Site;
  50 import jdk.vm.ci.common.JVMCIError;
  51 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;
  52 import jdk.vm.ci.hotspot.HotSpotReferenceMap;
  53 import jdk.vm.ci.meta.Assumptions.Assumption;
  54 import jdk.vm.ci.meta.JavaKind;
  55 import jdk.vm.ci.meta.PlatformKind;
  56 import org.junit.Test;
  57 
  58 /**
  59  * Tests for errors in oop maps.
  60  */
  61 public class TestInvalidOopMap extends CodeInstallerTest {
  62 
  63     private static class InvalidReferenceMap extends ReferenceMap {
  64     }
  65 
  66     private void test(ReferenceMap refMap) {
  67         BytecodePosition pos = new BytecodePosition(null, dummyMethod, 0);
  68         DebugInfo info = new DebugInfo(pos);
  69         info.setReferenceMap(refMap);
  70         installEmptyCode(new Site[]{new Infopoint(0, info, InfopointReason.SAFEPOINT)}, new Assumption[0], new Comment[0], 16, new DataPatch[0], StackSlot.get(null, 0, true));
  71     }
  72 
  73     @Test(expected = NullPointerException.class)
  74     public void testMissingReferenceMap() {
  75         test(null);
  76     }
  77 
  78     @Test(expected = JVMCIError.class)
  79     public void testInvalidReferenceMap() {
  80         test(new InvalidReferenceMap());
  81     }
  82 
  83     @Test(expected = NullPointerException.class)
  84     public void testNullOops() {
  85         test(new HotSpotReferenceMap(null, new Location[0], new int[0], 8));
  86     }
  87 
  88     @Test(expected = NullPointerException.class)
  89     public void testNullBase() {
  90         test(new HotSpotReferenceMap(new Location[0], null, new int[0], 8));
  91     }
  92 
  93     @Test(expected = NullPointerException.class)
  94     public void testNullSize() {
  95         test(new HotSpotReferenceMap(new Location[0], new Location[0], null, 8));
  96     }
  97 
  98     @Test(expected = JVMCIError.class)
  99     public void testInvalidLength() {
 100         test(new HotSpotReferenceMap(new Location[1], new Location[2], new int[3], 8));
 101     }
 102 
 103     @Test(expected = JVMCIError.class)
 104     public void testInvalidShortOop() {
 105         PlatformKind kind = arch.getPlatformKind(JavaKind.Short);
 106         Register reg = getRegister(kind, 0);
 107 
 108         Location[] oops = new Location[]{Location.register(reg)};
 109         Location[] base = new Location[]{null};
 110         int[] size = new int[]{kind.getSizeInBytes()};
 111 
 112         test(new HotSpotReferenceMap(oops, base, size, 8));
 113     }
 114 }