[ORC][C-API] Expose LLVMOrc{Unr,R}egisterJITEventListener().

Reviewed By: lhames

Differential Revision: https://reviews.llvm.org/D44890

llvm-svn: 333229

llvm/include/llvm-c/OrcBindings.h

@@ -154,6 +154,20 @@ LLVMOrcErrorCode LLVMOrcGetSymbolAddressIn(LLVMOrcJITStackRef JITStack,
  */
 LLVMOrcErrorCode LLVMOrcDisposeInstance(LLVMOrcJITStackRef JITStack);
 
+/**
+ * Register a JIT Event Listener.
+ *
+ * A NULL listener is ignored.
+ */
+void LLVMOrcRegisterJITEventListener(LLVMOrcJITStackRef JITStack, LLVMJITEventListenerRef L);
+
+/**
+ * Unegister a JIT Event Listener.
+ *
+ * A NULL listener is ignored.
+ */
+void LLVMOrcUnregisterJITEventListener(LLVMOrcJITStackRef JITStack, LLVMJITEventListenerRef L);
+
 #ifdef __cplusplus
 }
 #endif /* extern "C" */

llvm/include/llvm-c/Types.h

@@ -144,6 +144,11 @@ typedef struct LLVMComdat *LLVMComdatRef;
  */
 typedef struct LLVMOpaqueModuleFlagEntry LLVMModuleFlagEntry;
 
+/**
+ * @see llvm::JITEventListener
+ */
+typedef struct LLVMOpaqueJITEventListener *LLVMJITEventListenerRef;
+
 /**
  * @}
  */

llvm/include/llvm/ExecutionEngine/JITEventListener.h

@@ -15,9 +15,11 @@
 #ifndef LLVM_EXECUTIONENGINE_JITEVENTLISTENER_H
 #define LLVM_EXECUTIONENGINE_JITEVENTLISTENER_H
 
+#include "llvm-c/ExecutionEngine.h"
 #include "llvm/Config/llvm-config.h"
 #include "llvm/ExecutionEngine/RuntimeDyld.h"
 #include "llvm/IR/DebugLoc.h"
+#include "llvm/Support/CBindingWrapping.h"
 #include <cstdint>
 #include <vector>
 
@@ -119,6 +121,8 @@ private:
   virtual void anchor();
 };
 
+DEFINE_SIMPLE_CONVERSION_FUNCTIONS(JITEventListener, LLVMJITEventListenerRef)
+
 } // end namespace llvm
 
 #endif // LLVM_EXECUTIONENGINE_JITEVENTLISTENER_H

llvm/lib/ExecutionEngine/Orc/OrcCBindings.cpp

@@ -9,6 +9,7 @@
 
 #include "OrcCBindingsStack.h"
 #include "llvm-c/OrcBindings.h"
+#include "llvm/ExecutionEngine/JITEventListener.h"
 
 using namespace llvm;
 
@@ -126,3 +127,13 @@ LLVMOrcErrorCode LLVMOrcDisposeInstance(LLVMOrcJITStackRef JITStack) {
   delete J;
   return Err;
 }
+
+void LLVMOrcRegisterJITEventListener(LLVMOrcJITStackRef JITStack, LLVMJITEventListenerRef L)
+{
+  unwrap(JITStack)->RegisterJITEventListener(unwrap(L));
+}
+
+void LLVMOrcUnregisterJITEventListener(LLVMOrcJITStackRef JITStack, LLVMJITEventListenerRef L)
+{
+  unwrap(JITStack)->UnregisterJITEventListener(unwrap(L));
+}