--- a/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/sampling/SP06/sp06t003/sp06t003.cpp	Mon Oct 15 09:34:18 2018 +0800
+++ b/test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/sampling/SP06/sp06t003/sp06t003.cpp	Sun Oct 14 19:07:34 2018 -0700
@@ -143,8 +143,7 @@
  * Generate missed events (COMPILED_METHOD_LOAD only).
  */
 static int generateEvents() {
-    if (!NSK_JVMTI_VERIFY(
-            NSK_CPP_STUB2(GenerateEvents, jvmti, JVMTI_EVENT_COMPILED_METHOD_LOAD))) {
+    if (!NSK_JVMTI_VERIFY(jvmti->GenerateEvents(JVMTI_EVENT_COMPILED_METHOD_LOAD))) {
         nsk_jvmti_setFailStatus();
         return NSK_FALSE;
     }
@@ -177,8 +176,7 @@
     }
 
     /* get all live threads */
-    if (!NSK_JVMTI_VERIFY(
-            NSK_CPP_STUB3(GetAllThreads, jvmti, &allThreadsCount, &allThreadsList)))
+    if (!NSK_JVMTI_VERIFY(jvmti->GetAllThreads(&allThreadsCount, &allThreadsList)))
         return NSK_FALSE;
 
     if (!NSK_VERIFY(allThreadsCount > 0 && allThreadsList != NULL))
@@ -191,8 +189,7 @@
         if (!NSK_VERIFY(allThreadsList[i] != NULL))
             return NSK_FALSE;
 
-        if (!NSK_JVMTI_VERIFY(
-                NSK_CPP_STUB3(GetThreadInfo, jvmti, allThreadsList[i], &threadInfo)))
+        if (!NSK_JVMTI_VERIFY(jvmti->GetThreadInfo(allThreadsList[i], &threadInfo)))
             return NSK_FALSE;
 
         if (threadInfo.name != NULL) {
@@ -209,8 +206,7 @@
     }
 
     /* deallocate all threads list */
-    if (!NSK_JVMTI_VERIFY(
-            NSK_CPP_STUB2(Deallocate, jvmti, (unsigned char*)allThreadsList)))
+    if (!NSK_JVMTI_VERIFY(jvmti->Deallocate((unsigned char*)allThreadsList)))
         return NSK_FALSE;
 
     /* check if all tested threads found */
@@ -231,12 +227,11 @@
     for (i = 0; i < THREADS_COUNT; i++) {
 
         if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].cls =
-                NSK_CPP_STUB2(GetObjectClass, jni, threadsDesc[i].thread)) != NULL))
+                jni->GetObjectClass(threadsDesc[i].thread)) != NULL))
             return NSK_FALSE;
 
         if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].method =
-                NSK_CPP_STUB4(GetMethodID, jni, threadsDesc[i].cls,
-                            threadsDesc[i].methodName, threadsDesc[i].methodSig)) != NULL))
+                jni->GetMethodID(threadsDesc[i].cls, threadsDesc[i].methodName, threadsDesc[i].methodSig)) != NULL))
             return NSK_FALSE;
 
         NSK_DISPLAY4("    thread #%d (%s): 0x%p (%s)\n",
@@ -248,10 +243,10 @@
     /* make global refs */
     for (i = 0; i < THREADS_COUNT; i++) {
         if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].thread = (jthread)
-                NSK_CPP_STUB2(NewGlobalRef, jni, threadsDesc[i].thread)) != NULL))
+                jni->NewGlobalRef(threadsDesc[i].thread)) != NULL))
             return NSK_FALSE;
         if (!NSK_JNI_VERIFY(jni, (threadsDesc[i].cls = (jclass)
-                NSK_CPP_STUB2(NewGlobalRef, jni, threadsDesc[i].cls)) != NULL))
+                jni->NewGlobalRef(threadsDesc[i].cls)) != NULL))
             return NSK_FALSE;
     }
 
@@ -271,13 +266,11 @@
     for (i = 0; i < THREADS_COUNT; i++) {
         if (suspend) {
             NSK_DISPLAY2("    suspend thread #%d (%s)\n", i, threadsDesc[i].threadName);
-            if (!NSK_JVMTI_VERIFY(
-                    NSK_CPP_STUB2(SuspendThread, jvmti, threadsDesc[i].thread)))
+            if (!NSK_JVMTI_VERIFY(jvmti->SuspendThread(threadsDesc[i].thread)))
                 nsk_jvmti_setFailStatus();
         } else {
             NSK_DISPLAY2("    resume thread #%d (%s)\n", i, threadsDesc[i].threadName);
-            if (!NSK_JVMTI_VERIFY(
-                    NSK_CPP_STUB2(ResumeThread, jvmti, threadsDesc[i].thread)))
+            if (!NSK_JVMTI_VERIFY(jvmti->ResumeThread(threadsDesc[i].thread)))
                 nsk_jvmti_setFailStatus();
         }
     }
@@ -312,9 +305,7 @@
         NSK_DISPLAY2("  thread #%d (%s):\n", i, threadsDesc[i].threadName);
 
         /* get frame count */
-        if (!NSK_JVMTI_VERIFY(
-                NSK_CPP_STUB3(GetFrameCount, jvmti,
-                                    threadsDesc[i].thread, &frameCount))) {
+        if (!NSK_JVMTI_VERIFY(jvmti->GetFrameCount(threadsDesc[i].thread, &frameCount))) {
             nsk_jvmti_setFailStatus();
             return NSK_TRUE;
         }
@@ -322,8 +313,7 @@
 
         /* get stack trace */
         if (!NSK_JVMTI_VERIFY(
-                NSK_CPP_STUB6(GetStackTrace, jvmti, threadsDesc[i].thread,
-                                    0, MAX_STACK_SIZE, frameStack, &frameStackSize))) {
+                jvmti->GetStackTrace(threadsDesc[i].thread, 0, MAX_STACK_SIZE, frameStack, &frameStackSize))) {
             nsk_jvmti_setFailStatus();
             return NSK_TRUE;
         }
@@ -343,8 +333,7 @@
                                         (long)frameStack[j].location);
             /* query frame location */
             if (!NSK_JVMTI_VERIFY(
-                    NSK_CPP_STUB5(GetFrameLocation, jvmti, threadsDesc[i].thread,
-                                        j, &qMethod, &qLocation))) {
+                    jvmti->GetFrameLocation(threadsDesc[i].thread, j, &qMethod, &qLocation))) {
                 nsk_jvmti_setFailStatus();
                 continue;
             }
@@ -404,8 +393,8 @@
 
     NSK_DISPLAY0("Dispose global references to threads\n");
     for (i = 0; i < THREADS_COUNT; i++) {
-        NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsDesc[i].thread));
-        NSK_TRACE(NSK_CPP_STUB2(DeleteGlobalRef, jni, threadsDesc[i].cls));
+        NSK_TRACE(jni->DeleteGlobalRef(threadsDesc[i].thread));
+        NSK_TRACE(jni->DeleteGlobalRef(threadsDesc[i].cls));
     }
 
     return NSK_TRUE;
@@ -538,8 +527,7 @@
         memset(&caps, 0, sizeof(caps));
         caps.can_suspend = 1;
         caps.can_generate_compiled_method_load_events = 1;
-        if (!NSK_JVMTI_VERIFY(
-                NSK_CPP_STUB2(AddCapabilities, jvmti, &caps)))
+        if (!NSK_JVMTI_VERIFY(jvmti->AddCapabilities(&caps)))
             return JNI_ERR;
     }
 
@@ -548,9 +536,7 @@
         memset(&eventCallbacks, 0, sizeof(eventCallbacks));
         eventCallbacks.CompiledMethodLoad = callbackCompiledMethodLoad;
         eventCallbacks.CompiledMethodUnload = callbackCompiledMethodUnload;
-        if (!NSK_JVMTI_VERIFY(
-                NSK_CPP_STUB3(SetEventCallbacks, jvmti,
-                                    &eventCallbacks, sizeof(eventCallbacks))))
+        if (!NSK_JVMTI_VERIFY(jvmti->SetEventCallbacks(&eventCallbacks, sizeof(eventCallbacks))))
             return JNI_ERR;
     }