--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/compiler/jvmci/compilerToVM/ResolveFieldInPoolTest.java Sat Feb 20 11:49:45 2016 +0300
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 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 8138708
+ * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
+ * @library /testlibrary /test/lib /
+ * @compile ../common/CompilerToVMHelper.java
+ * @build sun.hotspot.WhiteBox
+ * compiler.jvmci.compilerToVM.ResolveFieldInPoolTest
+ * @run main ClassFileInstaller sun.hotspot.WhiteBox
+ * sun.hotspot.WhiteBox$WhiteBoxPermission
+ * jdk.vm.ci.hotspot.CompilerToVMHelper
+ * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
+ * -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
+ * compiler.jvmci.compilerToVM.ResolveFieldInPoolTest
+ */
+
+package compiler.jvmci.compilerToVM;
+
+import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
+import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
+import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
+import java.lang.reflect.Field;
+import java.util.HashMap;
+import java.util.Map;
+import jdk.internal.org.objectweb.asm.Opcodes;
+import jdk.vm.ci.hotspot.CompilerToVMHelper;
+import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
+import jdk.vm.ci.meta.ConstantPool;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.Utils;
+import sun.misc.Unsafe;
+
+/**
+ * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveFieldInPool} method
+ */
+public class ResolveFieldInPoolTest {
+
+ private static final Unsafe UNSAFE = Utils.getUnsafe();
+
+ public static void main(String[] args) throws Exception {
+ Map<ConstantTypes, Validator> typeTests = new HashMap<>();
+ typeTests.put(CONSTANT_FIELDREF, ResolveFieldInPoolTest::validate);
+ ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
+ testCase.test();
+ // The next "Class.forName" and repeating "testCase.test()"
+ // are here for the following reason.
+ // The first test run is without dummy class initialization,
+ // which means no constant pool cache exists.
+ // The second run is with initialized class (with constant pool cache available).
+ // Some CompilerToVM methods require different input
+ // depending on whether CP cache exists or not.
+ for (DummyClasses dummy : DummyClasses.values()) {
+ Class.forName(dummy.klass.getName());
+ }
+ testCase.test();
+ }
+
+ private static void validate(ConstantPool constantPoolCTVM,
+ ConstantTypes cpType,
+ DummyClasses dummyClass,
+ int cpi) {
+ TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
+ if (entry == null) {
+ return;
+ }
+ int index = cpi;
+ String cached = "";
+ int cpci = dummyClass.getCPCacheIndex(cpi);
+ if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
+ index = cpci;
+ cached = "cached ";
+ }
+ for (int j = 0; j < entry.opcodes.length; j++) {
+ long[] info = new long[2];
+ HotSpotResolvedObjectType fieldToVerify
+ = CompilerToVMHelper.resolveFieldInPool(constantPoolCTVM,
+ index,
+ entry.opcodes[j],
+ info);
+ String msg = String.format("Object returned by resolveFieldInPool method"
+ + " for %sindex %d should not be null",
+ cached,
+ index);
+ Asserts.assertNotNull(fieldToVerify, msg);
+ String classNameToRefer = entry.klass;
+ String fieldToVerifyKlassToString = fieldToVerify.klass().toValueString();
+ if (!fieldToVerifyKlassToString.contains(classNameToRefer)) {
+ msg = String.format("String representation \"%s\" of the object"
+ + " returned by resolveFieldInPool method"
+ + " for index %d does not contain a field's class name,"
+ + " should contain %s",
+ fieldToVerifyKlassToString,
+ index,
+ classNameToRefer);
+ throw new AssertionError(msg);
+ }
+ msg = String.format("Access flags returned by resolveFieldInPool"
+ + " method are wrong for the field %s.%s"
+ + " at %sindex %d",
+ entry.klass,
+ entry.name,
+ cached,
+ index);
+ Asserts.assertEQ(info[0], entry.accFlags, msg);
+ if (cpci == -1) {
+ return;
+ }
+ Class classOfTheField = null;
+ Field fieldToRefer = null;
+ try {
+ classOfTheField = Class.forName(classNameToRefer.replaceAll("/", "\\."));
+ fieldToRefer = classOfTheField.getDeclaredField(entry.name);
+ fieldToRefer.setAccessible(true);
+ } catch (Exception ex) {
+ throw new Error("Unexpected exception", ex);
+ }
+ long offsetToRefer;
+ if ((entry.accFlags & Opcodes.ACC_STATIC) != 0) {
+ offsetToRefer = UNSAFE.staticFieldOffset(fieldToRefer);
+ } else {
+ offsetToRefer = UNSAFE.objectFieldOffset(fieldToRefer);
+ }
+ msg = String.format("Field offset returned by resolveFieldInPool"
+ + " method is wrong for the field %s.%s"
+ + " at %sindex %d",
+ entry.klass,
+ entry.name,
+ cached,
+ index);
+ Asserts.assertEQ(info[1], offsetToRefer, msg);
+ }
+ }
+}