1 files changed, 17 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/PeCoffLib.h b/MdePkg/Include/Library/PeCoffLib.h
index 93f8d06ad2..2b0050474b 100644
--- a/MdePkg/Include/Library/PeCoffLib.h
+++ b/MdePkg/Include/Library/PeCoffLib.h
@@ -202,5 +202,22 @@ PeCoffLoaderRelocateImageForRuntime (
   )
 ;
 
+/**
+  Unloads a loaded PE/COFF image from memory and releases its taken resource.
+   
+  For NT32 emulator, the PE/COFF image loaded by system needs to release.
+  For real platform, the PE/COFF image loaded by Core doesn't needs to be unloaded, 
+  this function can simply return RETURN_SUCCESS.
+
+  @param  ImageContext              Pointer to the image context structure that describes the PE/COFF
+                                    image to be unloaded.
 
+  @retval RETURN_SUCCESS            The PE/COFF image was unloaded successfully.
+**/
+RETURN_STATUS
+EFIAPI
+PeCoffLoaderUnloadImage (
+  IN PE_COFF_LOADER_IMAGE_CONTEXT  *ImageContext
+  )
+;
 #endif