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//===- Relocation.h -------------------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LD_RELOCATION_FACTORY_H
#define LD_RELOCATION_FACTORY_H
#ifdef ENABLE_UNITTEST
#include <gtest.h>
#endif
#include <mcld/Support/GCFactory.h>
#include <mcld/LD/Relocation.h>
namespace mcld
{
class LDSymbol;
class ResolveInfo;
class MCFragmentRef;
class Layout;
class GOT;
class TargetLDBackend;
class MCLDInfo;
/** \class RelocationFactory
* \brief RelocationFactory provides the interface for generating target
* relocation
*
*/
class RelocationFactory : public GCFactory<Relocation, 0>
{
public:
typedef Relocation::Type Type;
typedef Relocation::Address Address;
typedef Relocation::DWord DWord;
public:
explicit RelocationFactory(size_t pNum);
virtual ~RelocationFactory();
/// apply - general apply function
virtual void applyRelocation(Relocation& pRelocation,
const MCLDInfo& pLDInfo) = 0;
// ----- production ----- //
/// produce - produce a relocation entry
/// @param pType - the type of the relocation entry
/// @param pFragRef - the place to apply the relocation
/// @param pAddend - the addend of the relocation entry
Relocation* produce(Type pType,
MCFragmentRef& pFragRef,
Address pAddend = 0);
/// produceEmptyEntry - produce an empty relocation which
/// occupied memory space but all contents set to zero.
Relocation* produceEmptyEntry();
void destroy(Relocation* pRelocation);
void setLayout(const Layout& pLayout);
// ------ observers -----//
const Layout& getLayout() const;
virtual TargetLDBackend& getTarget() = 0;
virtual const TargetLDBackend& getTarget() const = 0;
private:
const Layout* m_pLayout;
};
} // namespace of mcld
#endif
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