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//===- ARMGOT.h -----------------------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MCLD_ARM_GOT_H
#define MCLD_ARM_GOT_H
#ifdef ENABLE_UNITTEST
#include <gtest.h>
#endif
#include <mcld/Target/GOT.h>
namespace mcld
{
class LDSection;
class MemoryRegion;
/** \class ARMGOT
* \brief ARM Global Offset Table.
*/
class ARMGOT : public GOT
{
typedef llvm::DenseMap<const ResolveInfo*, GOTEntry*> SymbolIndexMapType;
public:
typedef llvm::MCSectionData::iterator iterator;
typedef llvm::MCSectionData::const_iterator const_iterator;
enum {
ARMGOT0Num = 3
};
public:
ARMGOT(LDSection &pSection, llvm::MCSectionData& pSectionData);
~ARMGOT();
iterator begin();
const_iterator begin() const;
iterator end();
const_iterator end() const;
uint64_t emit(MemoryRegion& pRegion);
// For GOT0
public:
void applyGOT0(uint64_t pAddress);
// For normal GOT
public:
// Reserve normal GOT entries.
void reserveEntry(size_t pNum = 1);
GOTEntry* getEntry(const ResolveInfo& pSymbol, bool& pExist);
// For GOTPLT
public:
void reserveGOTPLTEntry();
void applyAllGOTPLT(uint64_t pPLTBase);
GOTEntry*& lookupGOTPLTMap(const ResolveInfo& pSymbol);
iterator getNextGOTPLTEntry();
iterator getGOTPLTBegin();
const iterator getGOTPLTEnd();
private:
// For normal GOT entries
iterator m_NormalGOTIterator;
SymbolIndexMapType m_NormalGOTMap;
// For GOTPLT entries
iterator m_GOTPLTIterator;
SymbolIndexMapType m_GOTPLTMap;
iterator m_GOTPLTBegin;
iterator m_GOTPLTEnd;
};
} // namespace of mcld
#endif
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