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//===-- 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/ExecutionEngine/ObjectBuffer.h"
#include "llvm/ExecutionEngine/ObjectImage.h"
#include "llvm/Object/ObjectFile.h"
namespace llvm {
namespace object {
class ObjectFile;
}
class ObjectImageCommon : public ObjectImage {
ObjectImageCommon(); // = delete
ObjectImageCommon(const ObjectImageCommon &other); // = delete
virtual void anchor();
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()).get();
}
ObjectImageCommon(object::ObjectFile* Input)
: ObjectImage(NULL), ObjFile(Input) {}
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(); }
virtual object::ObjectFile* getObjectFile() const { return ObjFile; }
// 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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