8136421: JEP 243: Java-Level JVM Compiler Interface

Reviewed-by: ihse, alanb, roland, coleenp, iveresov, kvn, kbarrett

hotspot/test/compiler/jvmci/compilerToVM/GetExceptionTableTest.java

@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
+ * @library /testlibrary /../../test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ *      -Xbootclasspath/a:.
+ *      compiler.jvmci.compilerToVM.GetExceptionTableTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.common.CTVMUtilities;
+import java.io.IOException;
+import java.lang.reflect.Executable;
+import java.net.Socket;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.test.lib.Asserts;
+
+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) {
+        HotSpotResolvedJavaMethodImpl 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;
+            }
+        }
+    }
+}
+