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| author | Andrew Kaylor <andrew.kaylor@intel.com> | 2012-10-02 21:18:39 +0000 |
|---|---|---|
| committer | Andrew Kaylor <andrew.kaylor@intel.com> | 2012-10-02 21:18:39 +0000 |
| commit | 3f23cef24fc9200def464bd4bce820678b5715de (patch) | |
| tree | 9d7bd6501c9cda8d5e32fff4b4c8359b66173c77 /lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h | |
| parent | 9fd304672cec6cd31b1978408a0a0dc375f96969 (diff) | |
| download | llvm-3f23cef24fc9200def464bd4bce820678b5715de.tar.gz llvm-3f23cef24fc9200def464bd4bce820678b5715de.tar.bz2 llvm-3f23cef24fc9200def464bd4bce820678b5715de.tar.xz | |
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
Diffstat (limited to 'lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h')
| -rw-r--r-- | lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h b/lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h new file mode 100644 index 0000000000..17f3a21464 --- /dev/null +++ b/lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h @@ -0,0 +1,76 @@ +//===-- ObjectImageCommon.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_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
+#define LLVM_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
+
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/ExecutionEngine/ObjectImage.h"
+#include "llvm/ExecutionEngine/ObjectBuffer.h"
+
+namespace llvm {
+
+class ObjectImageCommon : public ObjectImage {
+ ObjectImageCommon(); // = delete
+ ObjectImageCommon(const ObjectImageCommon &other); // = delete
+
+protected:
+ object::ObjectFile *ObjFile;
+
+ // This form of the constructor allows subclasses to use
+ // format-specific subclasses of ObjectFile directly
+ ObjectImageCommon(ObjectBuffer *Input, object::ObjectFile *Obj)
+ : ObjectImage(Input), // saves Input as Buffer and takes ownership
+ ObjFile(Obj)
+ {
+ }
+
+public:
+ ObjectImageCommon(ObjectBuffer* Input)
+ : ObjectImage(Input) // saves Input as Buffer and takes ownership
+ {
+ ObjFile = object::ObjectFile::createObjectFile(Buffer->getMemBuffer());
+ }
+ virtual ~ObjectImageCommon() { delete ObjFile; }
+
+ virtual object::symbol_iterator begin_symbols() const
+ { return ObjFile->begin_symbols(); }
+ virtual object::symbol_iterator end_symbols() const
+ { return ObjFile->end_symbols(); }
+
+ virtual object::section_iterator begin_sections() const
+ { return ObjFile->begin_sections(); }
+ virtual object::section_iterator end_sections() const
+ { return ObjFile->end_sections(); }
+
+ virtual /* Triple::ArchType */ unsigned getArch() const
+ { return ObjFile->getArch(); }
+
+ virtual StringRef getData() const { return ObjFile->getData(); }
+
+ // 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) {}
+ virtual void updateSymbolAddress(const object::SymbolRef &Sym, uint64_t Addr)
+ {}
+
+ // Subclasses can override these methods to provide JIT debugging support
+ virtual void registerWithDebugger() {}
+ virtual void deregisterWithDebugger() {}
+};
+
+} // end namespace llvm
+
+#endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
+
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