--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/RedefineClasses/redefclass001/redefclass001.cpp	Tue Aug 28 14:37:34 2018 -0700
@@ -0,0 +1,144 @@
+/*
+ * Copyright (c) 2003, 2018, 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.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <jvmti.h>
+#include "agent_common.h"
+#include "JVMTITools.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef JNI_ENV_ARG
+
+#ifdef __cplusplus
+#define JNI_ENV_ARG(x, y) y
+#define JNI_ENV_PTR(x) x
+#else
+#define JNI_ENV_ARG(x,y) x, y
+#define JNI_ENV_PTR(x) (*x)
+#endif
+
+#endif
+
+#define STATUS_FAILED 2
+#define PASSED 0
+
+static jvmtiEnv *jvmti = NULL;
+static jvmtiCapabilities caps;
+
+#ifdef STATIC_BUILD
+JNIEXPORT jint JNICALL Agent_OnLoad_redefclass001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNICALL Agent_OnAttach_redefclass001(JavaVM *jvm, char *options, void *reserved) {
+    return Agent_Initialize(jvm, options, reserved);
+}
+JNIEXPORT jint JNI_OnLoad_redefclass001(JavaVM *jvm, char *options, void *reserved) {
+    return JNI_VERSION_1_8;
+}
+#endif
+jint  Agent_Initialize(JavaVM *vm, char *options, void *reserved) {
+    jint res;
+    jvmtiError err;
+
+    if ((res = JNI_ENV_PTR(vm)->GetEnv(JNI_ENV_ARG(vm, (void **) &jvmti),
+            JVMTI_VERSION_1_1)) != JNI_OK) {
+        printf("%s: Failed to call GetEnv: error=%d\n", __FILE__, res);
+        return JNI_ERR;
+    }
+
+    err = jvmti->GetPotentialCapabilities(&caps);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(GetPotentialCapabilities) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    err = jvmti->AddCapabilities(&caps);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(AddCapabilities) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    err = jvmti->GetCapabilities(&caps);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("(GetCapabilities) unexpected error: %s (%d)\n",
+               TranslateError(err), err);
+        return JNI_ERR;
+    }
+
+    if (!caps.can_redefine_classes) {
+        printf("Warning: RedefineClasses is not implemented\n");
+    }
+
+    return JNI_OK;
+}
+
+JNIEXPORT jint JNICALL
+Java_nsk_jvmti_RedefineClasses_redefclass001_makeRedefinition(JNIEnv *env,
+        jclass cls, jint fl, jclass redefCls, jbyteArray classBytes) {
+    jvmtiClassDefinition classDef;
+    jvmtiError err;
+
+    if (jvmti == NULL) {
+        printf("JVMTI client was not properly loaded!\n");
+        return STATUS_FAILED;
+    }
+
+    if (!caps.can_redefine_classes) {
+        return PASSED;
+    }
+
+/* filling the structure jvmtiClassDefinition */
+    classDef.klass = redefCls;
+    classDef.class_byte_count =
+        JNI_ENV_PTR(env)->GetArrayLength(JNI_ENV_ARG(env, classBytes));
+    classDef.class_bytes = (unsigned char *)
+        JNI_ENV_PTR(env)->GetByteArrayElements(JNI_ENV_ARG(env, classBytes),
+            NULL);
+
+    if (fl == 2) {
+        printf(">>>>>>>> Invoke RedefineClasses():\n");
+        printf("\tnew class byte count=%d\n", classDef.class_byte_count);
+    }
+    err = jvmti->RedefineClasses(1, &classDef);
+    if (err != JVMTI_ERROR_NONE) {
+        printf("%s: Failed to call RedefineClasses():\n", __FILE__);
+        printf("\tthe function returned error %d: %s\n",
+            err, TranslateError(err));
+        printf("\tFor more info about this error see the JVMTI spec.\n");
+        return STATUS_FAILED;
+    }
+    if (fl == 2)
+        printf("<<<<<<<< RedefineClasses() is successfully done\n");
+
+    return PASSED;
+}
+
+#ifdef __cplusplus
+}
+#endif