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.simpleArch == "aarch64") 29 * @library /testlibrary /../../test/lib / 30 * @compile ../common/CompilerToVMHelper.java 31 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper 32 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI 33 * -Xbootclasspath/a:. 34 * compiler.jvmci.compilerToVM.GetExceptionTableTest 35 */ 36 37 package compiler.jvmci.compilerToVM; 38 39 import compiler.jvmci.common.CTVMUtilities; 40 import java.io.IOException; 41 import java.lang.reflect.Executable; 42 import java.net.Socket; 43 import java.util.HashMap; 44 import java.util.Map; 45 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl; 46 import jdk.vm.ci.hotspot.CompilerToVMHelper; 47 import jdk.test.lib.Asserts; 48 49 public class GetExceptionTableTest { 50 51 public static final int TRY_CATCH_COUNT = 3; 52 public static final int TRY_CATCH_FINALLY_COUNT = 8; 53 public static final int TRY_WITH_RESOURCES_COUNT = 6; 54 public static final int EMPTY_COUNT = 0; 55 56 public static void main(String[] args) { 57 Map<Executable, Integer> testCases = createTestCases(); 58 testCases.forEach(GetExceptionTableTest::runSanityTest); 59 } 60 61 private static Map<Executable, Integer> createTestCases() { 62 HashMap<Executable, Integer> methods = new HashMap<>(); 63 try { 64 Class<?> aClass = GetExceptionTableTest.DummyClass.class; 65 methods.put(aClass.getMethod("tryCatchDummy"), TRY_CATCH_COUNT); 66 methods.put(aClass.getMethod("tryCatchFinallyDummy"), 67 TRY_CATCH_FINALLY_COUNT); 68 methods.put(aClass.getMethod("tryWithResourcesDummy"), 69 TRY_WITH_RESOURCES_COUNT); 70 methods.put(aClass.getMethod("emptyFunction"), EMPTY_COUNT); 71 } catch (NoSuchMethodException e) { 72 throw new Error("TEST BUG", e); 73 } 74 return methods; 75 } 76 77 private static void runSanityTest(Executable aMethod, 78 Integer expectedTableLength) { 79 HotSpotResolvedJavaMethodImpl method = CTVMUtilities 80 .getResolvedMethod(aMethod); 81 int tableLength = CompilerToVMHelper.getExceptionTableLength(method); 82 Asserts.assertEQ(tableLength, expectedTableLength, aMethod 83 + " incorrect exception table length."); 84 85 long tableStart = CompilerToVMHelper.getExceptionTableStart(method); 86 if (tableLength > 0) { 87 Asserts.assertNE(tableStart, 0L, aMethod + " exception table starts " 88 + "at 0."); 89 } 90 } 91 92 private static class DummyClass { 93 public static void emptyFunction() {} 94 public static void tryCatchDummy() throws Throwable { 95 try { 96 throw new Exception("Dummy exception"); 97 } catch (ArithmeticException ex) { 98 throw new IOException(ex.getMessage()); 99 } catch (IOException ex) { 100 throw new Exception(ex); 101 } catch (Exception ex) { 102 throw new Exception(ex); 103 } 104 } 105 106 public int tryCatchFinallyDummy() { 107 // 4 times catch/finally = 8 catch-blocks and finally-blocks 108 try { 109 throw new Exception("Dummy exception"); 110 } catch (IndexOutOfBoundsException ex) { 111 return 1; 112 } catch (ArithmeticException ex) { 113 return 2; 114 } catch (IOException ex) { 115 return 3; 116 } catch (Exception ex) { 117 return 4; 118 } finally { 119 return 0; 120 } 121 } 122 123 public static int tryWithResourcesDummy() throws Throwable { 124 try (Socket socket = new Socket()) { 125 throw new Exception("Dummy exception"); 126 } catch (ArithmeticException ex) { 127 return 1; 128 } catch (IOException ex) { 129 return 2; 130 } catch (Exception ex) { 131 return 3; 132 } 133 } 134 } 135 } 136