test/lib/jdk/test/lib/jvmti/jvmti_common.hpp

*** 282,11 ***
  static jmethodID
  get_frame_method(jvmtiEnv *jvmti, JNIEnv* jni, jthread thread, jint depth) {
    jmethodID method;
    jlocation loc;
    jvmtiError err = jvmti->GetFrameLocation(thread, depth, &method, &loc);
!   check_jvmti_status(jni, err, "notifyFramePop: Failed in JVMTI GetFrameLocation");
    return method;
  }
  
  static jvmtiThreadInfo
  get_thread_info(jvmtiEnv *jvmti, JNIEnv* jni, jthread thread) {
--- 282,11 ---
  static jmethodID
  get_frame_method(jvmtiEnv *jvmti, JNIEnv* jni, jthread thread, jint depth) {
    jmethodID method;
    jlocation loc;
    jvmtiError err = jvmti->GetFrameLocation(thread, depth, &method, &loc);
!   check_jvmti_status(jni, err, "get_frame_method: error in JVMTI GetFrameLocation");
    return method;
  }
  
  static jvmtiThreadInfo
  get_thread_info(jvmtiEnv *jvmti, JNIEnv* jni, jthread thread) {

*** 422,10 ***
--- 422,50 ---
    }
    deallocate(jvmti, jni, (void*)methods);
    return method;
  }
  
+ static void
+ log_object_class(jvmtiEnv *jvmti, JNIEnv *jni, jobject obj) {
+   jclass cls = jni->GetObjectClass(obj);
+   if (cls == nullptr) {
+     fatal(jni, "log_object_class: class is nullptr\n");
+     return;
+   }
+   char* sig = nullptr;
+   check_jvmti_error(jvmti->GetClassSignature(cls, &sig, nullptr), "GetClassSignature");
+ 
+   LOG(" - got an object of class: %s\n", sig);
+   jvmti->Deallocate((unsigned char *)sig);
+ }
+ 
+ static jobject
+ get_local_object(jvmtiEnv *jvmti, JNIEnv *jni, jthread thread, jint depth, jint slot) {
+   LOG("GetLocalObject: depth: %d slot %d\n", (int)depth, (int)slot);
+   jobject obj = nullptr;
+   check_jvmti_error(jvmti->GetLocalObject(thread, depth, slot, &obj), "GetLocalObject");
+ 
+   log_object_class(jvmti, jni, obj);
+   return obj;
+ }
+ 
+ static jobject
+ get_local_instance(jvmtiEnv *jvmti, JNIEnv *jni, jthread thread, jint depth) {
+   LOG("GetLocalInstance: depth: %d\n", (int)depth);
+   jobject obj = nullptr;
+   check_jvmti_error(jvmti->GetLocalInstance(thread, depth, &obj), "GetLocalInstance");
+ 
+   log_object_class(jvmti, jni, obj);
+   return obj;
+ }
+ 
+ static void
+ set_local_object(jvmtiEnv *jvmti, jthread thread, jint depth, jint slot, jobject obj) {
+   LOG("SetLocalObject for slot %d\n", (int)slot);
+   check_jvmti_error(jvmti->SetLocalObject(thread, depth, slot, obj), "SetLocalObject");
+ }
+ 
  // Wait for target thread to reach the required JVMTI thread state.
  // The state jint bitmask is returned by the JVMTI GetThreadState.
  // Some examples are:
  // - JVMTI_THREAD_STATE_WAITING
  // - JVMTI_THREAD_STATE_BLOCKED_ON_MONITOR_ENTER