[WinEH] Run cleanup handlers when an exception is thrown

[oota-llvm.git] / include / llvm / ExecutionEngine / ObjectCache.h

diff --git a/include/llvm/ExecutionEngine/ObjectCache.h b/include/llvm/ExecutionEngine/ObjectCache.h
index 0bee86161bb7afe0a2b76055cbc28c3815838089..cc01a4e58999e8699e412d4c97e7ddd7e3d94fe6 100644 (file)
--- a/include/llvm/ExecutionEngine/ObjectCache.h
+++ b/include/llvm/ExecutionEngine/ObjectCache.h
@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_LIB_EXECUTIONENGINE_OBJECTCACHE_H
-#define LLVM_LIB_EXECUTIONENGINE_OBJECTCACHE_H
+#ifndef LLVM_EXECUTIONENGINE_OBJECTCACHE_H
+#define LLVM_EXECUTIONENGINE_OBJECTCACHE_H
 
 #include "llvm/Support/MemoryBuffer.h"
 
@@ -20,33 +20,19 @@ class Module;
 /// ExecutionEngine for the purpose of avoiding compilation for Modules that
 /// have already been compiled and an object file is available.
 class ObjectCache {
+  virtual void anchor();
 public:
   ObjectCache() { }
 
   virtual ~ObjectCache() { }
 
   /// notifyObjectCompiled - Provides a pointer to compiled code for Module M.
-  virtual void notifyObjectCompiled(const Module *M, const MemoryBuffer *Obj) = 0;
-
-  /// getObjectCopy - Returns a pointer to a newly allocated MemoryBuffer that
-  /// contains the object which corresponds with Module M, or 0 if an object is
-  /// not available. The caller owns the MemoryBuffer returned by this function.
-  MemoryBuffer* getObjectCopy(const Module* M) {
-    const MemoryBuffer* Obj = getObject(M);
-    if (Obj)
-      return MemoryBuffer::getMemBufferCopy(Obj->getBuffer());
-    else
-      return 0;
-  }
-
-protected:
-  /// getObject - Returns a pointer to a MemoryBuffer that contains an object
-  /// that corresponds with Module M, or 0 if an object is not available.
-  /// The pointer returned by this function is not suitable for loading because
-  /// the memory is read-only and owned by the ObjectCache. To retrieve an
-  /// owning pointer to a MemoryBuffer (which is suitable for calling
-  /// RuntimeDyld::loadObject() with) use getObjectCopy() instead.
-  virtual const MemoryBuffer* getObject(const Module* M) = 0;
+  virtual void notifyObjectCompiled(const Module *M, MemoryBufferRef Obj) = 0;
+
+  /// Returns a pointer to a newly allocated MemoryBuffer that contains the
+  /// object which corresponds with Module M, or 0 if an object is not
+  /// available.
+  virtual std::unique_ptr<MemoryBuffer> getObject(const Module* M) = 0;
 };
 
 }