[RuntimeDyld] Add a framework for testing relocation logic in RuntimeDyld.

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

diff --git a/include/llvm/ExecutionEngine/ObjectBuffer.h b/include/llvm/ExecutionEngine/ObjectBuffer.h
index 51051c9d188fb9818b60af347aec86842a961016..6221d3b335df6759d44a260bd308e2175a4a84ec 100644 (file)
--- a/include/llvm/ExecutionEngine/ObjectBuffer.h
+++ b/include/llvm/ExecutionEngine/ObjectBuffer.h
@@ -1,6 +1,6 @@
 //===---- ObjectBuffer.h - Utility class to wrap object image memory -----===//
 //
-//                    The LLVM Compiler Infrastructure
+//                     The LLVM Compiler Infrastructure
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
@@ -15,7 +15,6 @@
 #ifndef LLVM_EXECUTIONENGINE_OBJECTBUFFER_H
 #define LLVM_EXECUTIONENGINE_OBJECTBUFFER_H
 
-#include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
@@ -30,15 +29,18 @@ namespace llvm {
 /// ObjectFile) as needed, but the MemoryBuffer instance returned does not own the
 /// actual memory it points to.
 class ObjectBuffer {
+  virtual void anchor();
 public:
   ObjectBuffer() {}
   ObjectBuffer(MemoryBuffer* Buf) : Buffer(Buf) {}
+  virtual ~ObjectBuffer() {}
 
   /// getMemBuffer - Like MemoryBuffer::getMemBuffer() this function
   /// returns a pointer to an object that is owned by the caller. However,
   /// the caller does not take ownership of the underlying memory.
   MemoryBuffer *getMemBuffer() const {
-    return MemoryBuffer::getMemBuffer(Buffer->getBuffer(), "", false);
+    return MemoryBuffer::getMemBuffer(Buffer->getBuffer(),
+                                      Buffer->getBufferIdentifier(), false);
   }
 
   const char *getBufferStart() const { return Buffer->getBufferStart(); }
@@ -47,7 +49,7 @@ public:
 
 protected:
   // The memory contained in an ObjectBuffer
-  OwningPtr<MemoryBuffer> Buffer;
+  std::unique_ptr<MemoryBuffer> Buffer;
 };
 
 /// ObjectBufferStream - This class encapsulates the SmallVector and
@@ -55,8 +57,10 @@ protected:
 /// while providing a common ObjectBuffer interface for access to the
 /// memory once the object has been generated.
 class ObjectBufferStream : public ObjectBuffer {
+  void anchor() override;
 public:
   ObjectBufferStream() : OS(SV) {}
+  virtual ~ObjectBufferStream() {}
 
   raw_ostream &getOStream() { return OS; }
   void flush()
@@ -65,13 +69,13 @@ public:
 
     // Make the data accessible via the ObjectBuffer::Buffer
     Buffer.reset(MemoryBuffer::getMemBuffer(StringRef(SV.data(), SV.size()),
-                                           "",
-                                           false));
+                                            "",
+                                            false));
   }
 
 protected:
   SmallVector<char, 4096> SV; // Working buffer into which we JIT.
-  raw_svector_ostream    OS; // streaming wrapper
+  raw_svector_ostream     OS; // streaming wrapper
 };
 
 } // namespace llvm