From 3f23cef24fc9200def464bd4bce820678b5715de Mon Sep 17 00:00:00 2001
From: Andrew Kaylor <andrew.kaylor@intel.com>
Date: Tue, 2 Oct 2012 21:18:39 +0000
Subject: Clean-up of memory buffer and object ownership model in MCJIT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165053 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/ExecutionEngine/ObjectImage.h | 61 ++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 include/llvm/ExecutionEngine/ObjectImage.h

(limited to 'include/llvm/ExecutionEngine/ObjectImage.h')

diff --git a/include/llvm/ExecutionEngine/ObjectImage.h b/include/llvm/ExecutionEngine/ObjectImage.h
new file mode 100644
index 0000000000..82549add62
--- /dev/null
+++ b/include/llvm/ExecutionEngine/ObjectImage.h
@@ -0,0 +1,61 @@
+//===---- ObjectImage.h - Format independent executuable object image -----===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares a file format independent ObjectImage class.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
+#define LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
+
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/ExecutionEngine/ObjectBuffer.h"
+
+namespace llvm {
+
+
+/// ObjectImage - A container class that represents an ObjectFile that has been
+/// or is in the process of being loaded into memory for execution.
+class ObjectImage {
+  ObjectImage() LLVM_DELETED_FUNCTION;
+  ObjectImage(const ObjectImage &other) LLVM_DELETED_FUNCTION;
+
+protected:
+  OwningPtr<ObjectBuffer> Buffer;
+
+public:
+  ObjectImage(ObjectBuffer *Input) : Buffer(Input) {}
+  virtual ~ObjectImage() {}
+
+  virtual object::symbol_iterator begin_symbols() const = 0;
+  virtual object::symbol_iterator end_symbols() const = 0;
+
+  virtual object::section_iterator begin_sections() const = 0;
+  virtual object::section_iterator end_sections() const  = 0;
+
+  virtual /* Triple::ArchType */ unsigned getArch() const = 0;
+
+  // Subclasses can override these methods to update the image with loaded
+  // addresses for sections and common symbols
+  virtual void updateSectionAddress(const object::SectionRef &Sec,
+                                    uint64_t Addr) = 0;
+  virtual void updateSymbolAddress(const object::SymbolRef &Sym,
+                                   uint64_t Addr) = 0;
+
+  virtual StringRef getData() const = 0;
+
+  // Subclasses can override these methods to provide JIT debugging support
+  virtual void registerWithDebugger() = 0;
+  virtual void deregisterWithDebugger() = 0;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
+
-- 
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