--- a/jdk/src/share/classes/java/lang/Class.java Fri Jul 11 14:06:42 2014 -0700
+++ b/jdk/src/share/classes/java/lang/Class.java Fri Jul 11 17:04:52 2014 -0700
@@ -134,10 +134,11 @@
* This constructor is not used and prevents the default constructor being
* generated.
*/
- private Class(ClassLoader loader) {
+ private Class(ClassLoader loader, Class<?> arrayComponentType) {
// Initialize final field for classLoader. The initialization value of non-null
// prevents future JIT optimizations from assuming this final field is null.
classLoader = loader;
+ componentType = arrayComponentType;
}
/**
@@ -917,7 +918,16 @@
* @see java.lang.reflect.Array
* @since 1.1
*/
- public native Class<?> getComponentType();
+ public Class<?> getComponentType() {
+ // Only return for array types. Storage may be reused for Class for instance types.
+ if (isArray()) {
+ return componentType;
+ } else {
+ return null;
+ }
+ }
+
+ private final Class<?> componentType;
/**
--- a/jdk/src/share/javavm/export/jvm.h Fri Jul 11 14:06:42 2014 -0700
+++ b/jdk/src/share/javavm/export/jvm.h Fri Jul 11 17:04:52 2014 -0700
@@ -444,9 +444,6 @@
JNIEXPORT jboolean JNICALL
JVM_IsPrimitiveClass(JNIEnv *env, jclass cls);
-JNIEXPORT jclass JNICALL
-JVM_GetComponentType(JNIEnv *env, jclass cls);
-
JNIEXPORT jint JNICALL
JVM_GetClassModifiers(JNIEnv *env, jclass cls);
--- a/jdk/src/share/native/java/lang/Class.c Fri Jul 11 14:06:42 2014 -0700
+++ b/jdk/src/share/native/java/lang/Class.c Fri Jul 11 17:04:52 2014 -0700
@@ -60,7 +60,6 @@
{"setSigners", "([" OBJ ")V", (void *)&JVM_SetClassSigners},
{"isArray", "()Z", (void *)&JVM_IsArrayClass},
{"isPrimitive", "()Z", (void *)&JVM_IsPrimitiveClass},
- {"getComponentType", "()" CLS, (void *)&JVM_GetComponentType},
{"getModifiers", "()I", (void *)&JVM_GetClassModifiers},
{"getDeclaredFields0","(Z)[" FLD, (void *)&JVM_GetClassDeclaredFields},
{"getDeclaredMethods0","(Z)[" MHD, (void *)&JVM_GetClassDeclaredMethods},
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/RedefineMethodDelInvoke.sh Fri Jul 11 17:04:52 2014 -0700
@@ -0,0 +1,98 @@
+#
+# Copyright (c) 2014, 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 8042796
+# @summary jvmtiRedefineClasses.cpp: guarantee(false) failed: OLD and/or OBSOLETE method(s) found
+# @author Daniel D. Daugherty
+# @author Serguei Spitsyn
+#
+# @run shell MakeJAR3.sh RedefineMethodDelInvokeAgent 'Can-Redefine-Classes: true'
+# @run build RedefineMethodDelInvokeApp
+# @run shell RedefineMethodDelInvoke.sh
+#
+
+if [ "${TESTJAVA}" = "" ]
+then
+ echo "TESTJAVA not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+if [ "${COMPILEJAVA}" = "" ]
+then
+ COMPILEJAVA="${TESTJAVA}"
+fi
+echo "COMPILEJAVA=${COMPILEJAVA}"
+
+if [ "${TESTSRC}" = "" ]
+then
+ echo "TESTSRC not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+if [ "${TESTCLASSES}" = "" ]
+then
+ echo "TESTCLASSES not set. Test cannot execute. Failed."
+ exit 1
+fi
+
+JAVAC="${COMPILEJAVA}"/bin/javac
+JAVA="${TESTJAVA}"/bin/java
+
+cp "${TESTSRC}"/RedefineMethodDelInvokeTarget_1.java \
+ RedefineMethodDelInvokeTarget.java
+"${JAVAC}" ${TESTJAVACOPTS} ${TESTTOOLVMOPTS} -d . RedefineMethodDelInvokeTarget.java
+mv RedefineMethodDelInvokeTarget.java RedefineMethodDelInvokeTarget_1.java
+mv RedefineMethodDelInvokeTarget.class RedefineMethodDelInvokeTarget_1.class
+
+cp "${TESTSRC}"/RedefineMethodDelInvokeTarget_2.java \
+ RedefineMethodDelInvokeTarget.java
+"${JAVAC}" ${TESTJAVACOPTS} ${TESTTOOLVMOPTS} -d . RedefineMethodDelInvokeTarget.java
+mv RedefineMethodDelInvokeTarget.java RedefineMethodDelInvokeTarget_2.java
+mv RedefineMethodDelInvokeTarget.class RedefineMethodDelInvokeTarget_2.class
+
+"${JAVA}" ${TESTVMOPTS} -javaagent:RedefineMethodDelInvokeAgent.jar \
+ -classpath "${TESTCLASSES}" RedefineMethodDelInvokeApp > output.log 2>&1
+
+result=$?
+if [ "$result" = 0 ]; then
+ echo "The test returned expected exit code: $result"
+else
+ echo "FAIL: the test returned unexpected exit code: $result"
+ exit $result
+fi
+
+cat output.log
+
+MESG="Exception"
+grep "$MESG" output.log
+result=$?
+if [ "$result" = 0 ]; then
+ echo "FAIL: found '$MESG' in the test output"
+ result=1
+else
+ echo "PASS: did NOT find '$MESG' in the test output"
+ result=0
+fi
+
+exit $result
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/RedefineMethodDelInvokeAgent.java Fri Jul 11 17:04:52 2014 -0700
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import java.lang.instrument.Instrumentation;
+
+public class RedefineMethodDelInvokeAgent {
+ private static Instrumentation instrumentation;
+
+ private RedefineMethodDelInvokeAgent() {
+ }
+
+ public static void premain(String agentArgs, Instrumentation inst) {
+ System.out.println("Hello from RedefineMethodDelInvokeAgent!");
+ System.out.println("isRedefineClassesSupported()=" +
+ inst.isRedefineClassesSupported());
+
+ instrumentation = inst;
+ }
+
+ public static Instrumentation getInstrumentation() {
+ return instrumentation;
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/RedefineMethodDelInvokeApp.java Fri Jul 11 17:04:52 2014 -0700
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import java.io.*;
+import java.lang.instrument.*;
+
+public class RedefineMethodDelInvokeApp {
+ public static void main(String args[]) {
+ System.out.println("Hello from RedefineMethodDelInvokeApp!");
+
+ try {
+ new RedefineMethodDelInvokeApp().doTest();
+ } catch (Exception ex) {
+ System.out.println("Exception has been caught");
+ ex.printStackTrace();
+ System.exit(1);
+ }
+ System.exit(0);
+ }
+
+ private void doTest() throws Exception {
+ RedefineMethodDelInvokeTarget target =
+ new RedefineMethodDelInvokeTarget();
+
+ System.out.println("RedefineMethodDelInvokeApp: invoking myMethod0(), myMethod1(), myMethod2()");
+ target.test();
+
+ // delete myMethod2()
+ do_redefine(1);
+
+ System.out.println("RedefineMethodDelInvokeApp: invoking myMethod0(), myMethod1()");
+ target.test();
+
+ // delete myMethod1()
+ do_redefine(2);
+
+ System.out.println("RedefineMethodDelInvokeApp: invoking myMethod0()");
+ target.test();
+ }
+
+ private static void do_redefine(int counter) throws Exception {
+ File f = new File("RedefineMethodDelInvokeTarget_" + counter +
+ ".class");
+ System.out.println("Reading test class from " + f);
+ InputStream redefineStream = new FileInputStream(f);
+
+ byte[] redefineBuffer = NamedBuffer.loadBufferFromStream(redefineStream);
+
+ ClassDefinition redefineParamBlock = new ClassDefinition(
+ RedefineMethodDelInvokeTarget.class, redefineBuffer);
+
+ RedefineMethodDelInvokeAgent.getInstrumentation().redefineClasses(
+ new ClassDefinition[] {redefineParamBlock});
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/RedefineMethodDelInvokeTarget.java Fri Jul 11 17:04:52 2014 -0700
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+public class RedefineMethodDelInvokeTarget {
+ public void test() {
+ myMethod0();
+ }
+
+ public static void myMethod0() {
+ System.out.println("Target 0: myMethod0: Calling myMethod1()");
+ myMethod1();
+ }
+
+ private static void myMethod1() {
+ System.out.println("Target 0: myMethod1: Calling myMethod2()");
+ myMethod2();
+ }
+
+ private static void myMethod2() {
+ System.out.println("Target 0: myMethod2");
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/RedefineMethodDelInvokeTarget_1.java Fri Jul 11 17:04:52 2014 -0700
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+public class RedefineMethodDelInvokeTarget {
+ public void test() {
+ myMethod0();
+ }
+
+ public static void myMethod0() {
+ System.out.println("Target 1: myMethod0: Calling myMethod1()");
+ myMethod1();
+ }
+
+ private static void myMethod1() {
+ System.out.println("Target 1: myMethod1");
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/instrument/RedefineMethodDelInvokeTarget_2.java Fri Jul 11 17:04:52 2014 -0700
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2014, 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.
+ */
+
+public class RedefineMethodDelInvokeTarget {
+ public void test() {
+ myMethod0();
+ }
+
+ public static void myMethod0() {
+ System.out.println("Target 2: myMethod0");
+ }
+}