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//===- MipsGOT.h ----------------------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MCLD_MIPS_GOT_H
#define MCLD_MIPS_GOT_H
#ifdef ENABLE_UNITTEST
#include <gtest.h>
#endif
#include <mcld/Target/GOT.h>
namespace mcld
{
class LDSection;
class MemoryRegion;
/** \class MipsGOT
* \brief Mips Global Offset Table.
*/
class MipsGOT : public GOT
{
private:
typedef llvm::DenseMap<const ResolveInfo*, GOTEntry*> SymbolIndexMapType;
typedef llvm::DenseMap<const ResolveInfo*, bool> SymbolTypeMapType;
public:
typedef llvm::MCSectionData::iterator iterator;
typedef llvm::MCSectionData::const_iterator const_iterator;
public:
MipsGOT(LDSection& pSection, llvm::MCSectionData& pSectionData);
iterator begin();
iterator end();
const_iterator begin() const;
const_iterator end() const;
uint64_t emit(MemoryRegion& pRegion);
void reserveLocalEntry();
void reserveGlobalEntry();
GOTEntry* getEntry(const ResolveInfo& pInfo, bool& pExist);
size_t getTotalNum() const;
size_t getLocalNum() const;
void setLocal(const ResolveInfo* pInfo) {
m_GOTTypeMap[pInfo] = false;
}
void setGlobal(const ResolveInfo* pInfo) {
m_GOTTypeMap[pInfo] = true;
}
bool isLocal(const ResolveInfo* pInfo) {
return m_GOTTypeMap[pInfo] == false;
}
bool isGlobal(const ResolveInfo* pInfo) {
return m_GOTTypeMap[pInfo] == true;
}
private:
SymbolIndexMapType m_GeneralGOTMap; // Map ResolveInfo* to GOTEntry *.
SymbolTypeMapType m_GOTTypeMap;
iterator m_LocalGOTIterator; // last local GOT entries
iterator m_GlobalGOTIterator; // last global GOT entries
size_t m_pLocalNum;
private:
// Use reserveLocalEntry()/reserveGlobalEntry() instead of this routine.
void reserveEntry(size_t pNum = 1);
};
} // namespace of mcld
#endif
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