| /* |
| * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 8136421 |
| * @requires vm.jvmci |
| * @library /test/lib / |
| * @library ../common/patches |
| * @modules java.base/jdk.internal.misc |
| * @modules java.base/jdk.internal.org.objectweb.asm |
| * java.base/jdk.internal.org.objectweb.asm.tree |
| * jdk.internal.vm.ci/jdk.vm.ci.hotspot |
| * jdk.internal.vm.ci/jdk.vm.ci.code |
| * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper |
| * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI |
| * -Djvmci.Compiler=null |
| * compiler.jvmci.compilerToVM.GetExceptionTableTest |
| */ |
| |
| package compiler.jvmci.compilerToVM; |
| |
| import compiler.jvmci.common.CTVMUtilities; |
| import jdk.test.lib.Asserts; |
| import jdk.vm.ci.hotspot.CompilerToVMHelper; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
| |
| import java.io.IOException; |
| import java.lang.reflect.Executable; |
| import java.net.Socket; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class GetExceptionTableTest { |
| |
| public static final int TRY_CATCH_COUNT = 3; |
| public static final int TRY_CATCH_FINALLY_COUNT = 8; |
| public static final int TRY_WITH_RESOURCES_COUNT = 6; |
| public static final int EMPTY_COUNT = 0; |
| |
| public static void main(String[] args) { |
| Map<Executable, Integer> testCases = createTestCases(); |
| testCases.forEach(GetExceptionTableTest::runSanityTest); |
| } |
| |
| private static Map<Executable, Integer> createTestCases() { |
| HashMap<Executable, Integer> methods = new HashMap<>(); |
| try { |
| Class<?> aClass = GetExceptionTableTest.DummyClass.class; |
| methods.put(aClass.getMethod("tryCatchDummy"), TRY_CATCH_COUNT); |
| methods.put(aClass.getMethod("tryCatchFinallyDummy"), |
| TRY_CATCH_FINALLY_COUNT); |
| methods.put(aClass.getMethod("tryWithResourcesDummy"), |
| TRY_WITH_RESOURCES_COUNT); |
| methods.put(aClass.getMethod("emptyFunction"), EMPTY_COUNT); |
| } catch (NoSuchMethodException e) { |
| throw new Error("TEST BUG", e); |
| } |
| return methods; |
| } |
| |
| private static void runSanityTest(Executable aMethod, |
| Integer expectedTableLength) { |
| HotSpotResolvedJavaMethod method = CTVMUtilities |
| .getResolvedMethod(aMethod); |
| int tableLength = CompilerToVMHelper.getExceptionTableLength(method); |
| Asserts.assertEQ(tableLength, expectedTableLength, aMethod |
| + " incorrect exception table length."); |
| |
| long tableStart = CompilerToVMHelper.getExceptionTableStart(method); |
| if (tableLength > 0) { |
| Asserts.assertNE(tableStart, 0L, aMethod + " exception table starts " |
| + "at 0."); |
| } |
| } |
| |
| private static class DummyClass { |
| public static void emptyFunction() {} |
| public static void tryCatchDummy() throws Throwable { |
| try { |
| throw new Exception("Dummy exception"); |
| } catch (ArithmeticException ex) { |
| throw new IOException(ex.getMessage()); |
| } catch (IOException ex) { |
| throw new Exception(ex); |
| } catch (Exception ex) { |
| throw new Exception(ex); |
| } |
| } |
| |
| public int tryCatchFinallyDummy() { |
| // 4 times catch/finally = 8 catch-blocks and finally-blocks |
| try { |
| throw new Exception("Dummy exception"); |
| } catch (IndexOutOfBoundsException ex) { |
| return 1; |
| } catch (ArithmeticException ex) { |
| return 2; |
| } catch (IOException ex) { |
| return 3; |
| } catch (Exception ex) { |
| return 4; |
| } finally { |
| return 0; |
| } |
| } |
| |
| public static int tryWithResourcesDummy() throws Throwable { |
| try (Socket socket = new Socket()) { |
| throw new Exception("Dummy exception"); |
| } catch (ArithmeticException ex) { |
| return 1; |
| } catch (IOException ex) { |
| return 2; |
| } catch (Exception ex) { |
| return 3; |
| } |
| } |
| } |
| } |