2 files changed, 43 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/MCJIT/MCJIT.cpp b/lib/ExecutionEngine/MCJIT/MCJIT.cpp
index 71d713468b..91d9441b46 100644
--- a/lib/ExecutionEngine/MCJIT/MCJIT.cpp
+++ b/lib/ExecutionEngine/MCJIT/MCJIT.cpp
@@ -11,6 +11,7 @@
 #include "llvm/DerivedTypes.h"
 #include "llvm/Function.h"
 #include "llvm/ExecutionEngine/GenericValue.h"
+#include "llvm/ExecutionEngine/JITEventListener.h"
 #include "llvm/ExecutionEngine/JITMemoryManager.h"
 #include "llvm/ExecutionEngine/MCJIT.h"
 #include "llvm/ExecutionEngine/ObjectBuffer.h"
@@ -57,6 +58,8 @@ MCJIT::MCJIT(Module *m, TargetMachine *tm, RTDyldMemoryManager *MM,
 }
 
 MCJIT::~MCJIT() {
+  if (LoadedObject)
+    NotifyFreeingObject(LoadedObject.get());
   delete MemMgr;
   delete TM;
 }
@@ -107,6 +110,8 @@ void MCJIT::emitObject(Module *m) {
   // FIXME: Make this optional, maybe even move it to a JIT event listener
   LoadedObject->registerWithDebugger();
 
+  NotifyObjectEmitted(*LoadedObject);
+
   // FIXME: Add support for per-module compilation state
   isCompiled = true;
 }
@@ -290,3 +295,33 @@ void *MCJIT::getPointerToNamedFunction(const std::string &Name,
   }
   return 0;
 }
+
+void MCJIT::RegisterJITEventListener(JITEventListener *L) {
+  if (L == NULL)
+    return;
+  MutexGuard locked(lock);
+  EventListeners.push_back(L);
+}
+void MCJIT::UnregisterJITEventListener(JITEventListener *L) {
+  if (L == NULL)
+    return;
+  MutexGuard locked(lock);
+  SmallVector<JITEventListener*, 2>::reverse_iterator I=
+      std::find(EventListeners.rbegin(), EventListeners.rend(), L);
+  if (I != EventListeners.rend()) {
+    std::swap(*I, EventListeners.back());
+    EventListeners.pop_back();
+  }
+}
+void MCJIT::NotifyObjectEmitted(const ObjectImage& Obj) {
+  MutexGuard locked(lock);
+  for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
+    EventListeners[I]->NotifyObjectEmitted(Obj);
+  }
+}
+void MCJIT::NotifyFreeingObject(const ObjectImage& Obj) {
+  MutexGuard locked(lock);
+  for (unsigned I = 0, S = EventListeners.size(); I < S; ++I) {
+    EventListeners[I]->NotifyFreeingObject(Obj);
+  }
+}
diff --git a/lib/ExecutionEngine/MCJIT/MCJIT.h b/lib/ExecutionEngine/MCJIT/MCJIT.h
index 6cffcc5b82..571080d2bd 100644
--- a/lib/ExecutionEngine/MCJIT/MCJIT.h
+++ b/lib/ExecutionEngine/MCJIT/MCJIT.h
@@ -11,6 +11,7 @@
 #define LLVM_LIB_EXECUTIONENGINE_MCJIT_H
 
 #include "llvm/PassManager.h"
+#include "llvm/ADT/SmallVector.h"
 #include "llvm/ExecutionEngine/ExecutionEngine.h"
 #include "llvm/ExecutionEngine/RuntimeDyld.h"
 
@@ -30,6 +31,7 @@ class MCJIT : public ExecutionEngine {
   MCContext *Ctx;
   RTDyldMemoryManager *MemMgr;
   RuntimeDyld Dyld;
+  SmallVector<JITEventListener*, 2> EventListeners;
 
   // FIXME: Add support for multiple modules
   bool isCompiled;
@@ -75,6 +77,9 @@ public:
     Dyld.mapSectionAddress(LocalAddress, TargetAddress);
   }
 
+  virtual void RegisterJITEventListener(JITEventListener *L);
+  virtual void UnregisterJITEventListener(JITEventListener *L);
+
   /// @}
   /// @name (Private) Registration Interfaces
   /// @{
@@ -98,6 +103,9 @@ protected:
   /// is passed as a parameter here to prepare for multiple module support in 
   /// the future.
   void emitObject(Module *M);
+
+  void NotifyObjectEmitted(const ObjectImage& Obj);
+  void NotifyFreeingObject(const ObjectImage& Obj);
 };
 
 } // End llvm namespace