Make EHFrames available to sub-classes of RTDyldMemoryManager.

Summary: This information can be useful; and in the case of Win64, necessary for getting exceptions to work in the JIT.

Reviewers: lhames

Reviewed By: lhames

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D35102

llvm-svn: 308321

llvm/include/llvm/ExecutionEngine/RTDyldMemoryManager.h

@@ -135,12 +135,13 @@ class RTDyldMemoryManager : public MCJITMemoryManager,
   virtual void *getPointerToNamedFunction(const std::string &Name,
                                           bool AbortOnFailure = true);
 
-private:
+protected:
   struct EHFrame {
     uint8_t *Addr;
     size_t Size;
   };
-  std::vector<EHFrame> EHFrames;
+  typedef std::vector<EHFrame> EHFrameInfos;
+  EHFrameInfos EHFrames;
 };
 
 // Create wrappers for C Binding types (see CBindingWrapping.h).