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24 
25 #ifndef SHARE_PRIMS_JVMTIEXTENSIONS_HPP
26 #define SHARE_PRIMS_JVMTIEXTENSIONS_HPP
27 
28 #include "jvmtifiles/jvmti.h"
29 #include "jvmtifiles/jvmtiEnv.hpp"
30 #include "memory/allocation.hpp"
31 
32 // JvmtiExtensions
33 //
34 // Maintains the list of extension functions and events in this JVMTI
35 // implementation. The list of functions and events can be obtained by
36 // the profiler using the JVMTI GetExtensionFunctions and
37 // GetExtensionEvents functions.
38 
39 class JvmtiExtensions : public AllStatic {
40  private:
41   static GrowableArray<jvmtiExtensionFunctionInfo*>* _ext_functions;
42   static GrowableArray<jvmtiExtensionEventInfo*>* _ext_events;
43 
44  public:
45   // register extensions function
46   static void register_extensions();
47 
48   // returns the list of extension functions
49   static jvmtiError get_functions(JvmtiEnv* env, jint* extension_count_ptr,
50                                   jvmtiExtensionFunctionInfo** extensions);
51 
52   // returns the list of extension events
53   static jvmtiError get_events(JvmtiEnv* env, jint* extension_count_ptr,
54                                jvmtiExtensionEventInfo** extensions);
55 
56   // sets the callback function for an extension event and enables the event
57   static jvmtiError set_event_callback(JvmtiEnv* env, jint extension_event_index,
58                                        jvmtiExtensionEvent callback);
59 };
60 
61 #endif // SHARE_PRIMS_JVMTIEXTENSIONS_HPP
62