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/*
* 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:+open
* @modules jdk.internal.vm.ci/jdk.vm.ci.hotspot:+open
*
* @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
* jdk.internal.vm.ci/jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject
* sun.hotspot.WhiteBox
* @run driver ClassFileInstaller sun.hotspot.WhiteBox
* sun.hotspot.WhiteBox$WhiteBoxPermission
* @run main/othervm -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
* -Djvmci.Compiler=null
* compiler.jvmci.compilerToVM.GetResolvedJavaMethodTest
*/
package compiler.jvmci.compilerToVM;
import jdk.internal.misc.Unsafe;
import jdk.test.lib.Asserts;
import jdk.vm.ci.hotspot.CompilerToVMHelper;
import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
import jdk.vm.ci.hotspot.PublicMetaspaceWrapperObject;
import sun.hotspot.WhiteBox;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class GetResolvedJavaMethodTest {
private static enum TestCase {
NULL_BASE {
@Override
HotSpotResolvedJavaMethod getResolvedJavaMethod() {
return CompilerToVMHelper.getResolvedJavaMethod(
null, getPtrToMethod());
}
},
JAVA_METHOD_BASE {
@Override
HotSpotResolvedJavaMethod getResolvedJavaMethod() {
HotSpotResolvedJavaMethod methodInstance = TEST_METHOD;
try {
METASPACE_METHOD_FIELD.set(methodInstance,
getPtrToMethod());
} catch (ReflectiveOperationException e) {
throw new Error("TEST BUG : " + e, e);
}
return CompilerToVMHelper.getResolvedJavaMethod(
methodInstance, 0L);
}
},
JAVA_METHOD_BASE_IN_TWO {
@Override
HotSpotResolvedJavaMethod getResolvedJavaMethod() {
long ptr = getPtrToMethod();
HotSpotResolvedJavaMethod methodInstance = TEST_METHOD;
try {
METASPACE_METHOD_FIELD.set(methodInstance, ptr / 2L);
} catch (ReflectiveOperationException e) {
throw new Error("TESTBUG : " + e, e);
}
return CompilerToVMHelper.getResolvedJavaMethod(methodInstance,
ptr - ptr / 2L);
}
},
JAVA_METHOD_BASE_ZERO {
@Override
HotSpotResolvedJavaMethod getResolvedJavaMethod() {
long ptr = getPtrToMethod();
HotSpotResolvedJavaMethod methodInstance = TEST_METHOD;
try {
METASPACE_METHOD_FIELD.set(methodInstance, 0L);
} catch (ReflectiveOperationException e) {
throw new Error("TESTBUG : " + e, e);
}
return CompilerToVMHelper.getResolvedJavaMethod(methodInstance,
ptr);
}
}
;
abstract HotSpotResolvedJavaMethod getResolvedJavaMethod();
}
private static final Unsafe UNSAFE = Unsafe.getUnsafe();
private static final WhiteBox WB = WhiteBox.getWhiteBox();
private static final Field METASPACE_METHOD_FIELD;
private static final Class<?> TEST_CLASS = GetResolvedJavaMethodTest.class;
private static final HotSpotResolvedJavaMethod TEST_METHOD;
private static final long PTR;
static {
try {
Method method = TEST_CLASS.getDeclaredMethod("test", TestCase.class);
TEST_METHOD = CompilerToVMHelper.asResolvedJavaMethod(method);
} catch (NoSuchMethodException e) {
throw new Error("TESTBUG : " + e, e);
}
try {
// jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl.metaspaceMethod
METASPACE_METHOD_FIELD = TEST_METHOD.getClass()
.getDeclaredField("metaspaceMethod");
METASPACE_METHOD_FIELD.setAccessible(true);
PTR = (long) METASPACE_METHOD_FIELD.get(TEST_METHOD);
} catch (ReflectiveOperationException e) {
throw new Error("TESTBUG : " + e, e);
}
}
private static long getPtrToMethod() {
Field field;
try {
field = TEST_CLASS.getDeclaredField("PTR");
} catch (NoSuchFieldException e) {
throw new Error("TEST BUG : " + e, e);
}
Object base = UNSAFE.staticFieldBase(field);
return WB.getObjectAddress(base) + UNSAFE.staticFieldOffset(field);
}
public void test(TestCase testCase) {
System.out.println(testCase.name());
HotSpotResolvedJavaMethod result = testCase.getResolvedJavaMethod();
Asserts.assertNotNull(result, testCase + " : got null");
Asserts.assertEQ(TEST_CLASS,
CompilerToVMHelper.getMirror(result.getDeclaringClass()),
testCase + " : unexpected declaring class");
}
public static void main(String[] args) {
GetResolvedJavaMethodTest test = new GetResolvedJavaMethodTest();
for (TestCase testCase : TestCase.values()) {
test.test(testCase);
}
testObjectBase();
testMetaspaceWrapperBase();
}
private static void testMetaspaceWrapperBase() {
try {
HotSpotResolvedJavaMethod method
= CompilerToVMHelper.getResolvedJavaMethod(
new PublicMetaspaceWrapperObject() {
@Override
public long getMetaspacePointer() {
return getPtrToMethod();
}
}, 0L);
throw new AssertionError("Test METASPACE_WRAPPER_BASE."
+ " Expected IllegalArgumentException has not been caught");
} catch (IllegalArgumentException e) {
// expected
}
}
private static void testObjectBase() {
try {
HotSpotResolvedJavaMethod method
= CompilerToVMHelper.getResolvedJavaMethod(new Object(), 0L);
throw new AssertionError("Test OBJECT_BASE."
+ " Expected IllegalArgumentException has not been caught");
} catch (IllegalArgumentException e) {
// expected
}
}
}
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