//===- 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 <llvm/ADT/DenseMap.h>
#include <mcld/Target/GOT.h>
namespace mcld
{
class LDSection;
class MemoryRegion;
/** \class MipsGOTEntry
* \brief GOT Entry with size of 4 bytes
*/
class MipsGOTEntry : public GOT::Entry<4>
{
public:
MipsGOTEntry(uint64_t pContent, SectionData* pParent)
: GOT::Entry<4>(pContent, pParent)
{}
};
/** \class MipsGOT
* \brief Mips Global Offset Table.
*/
class MipsGOT : public GOT
{
public:
MipsGOT(LDSection& pSection);
uint64_t emit(MemoryRegion& pRegion);
void reserve(size_t pNum = 1);
void reserveLocalEntry();
void reserveGlobalEntry();
size_t getTotalNum() const;
size_t getLocalNum() const;
MipsGOTEntry* consume();
MipsGOTEntry* consumeLocal();
MipsGOTEntry* consumeGlobal();
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;
}
/// hasGOT1 - return if this got section has any GOT1 entry
bool hasGOT1() const;
private:
typedef llvm::DenseMap<const ResolveInfo*, bool> SymbolTypeMapType;
private:
SymbolTypeMapType m_GOTTypeMap;
iterator m_LocalGOTIterator; // last local GOT entries
iterator m_GlobalGOTIterator; // last global GOT entries
size_t m_pLocalNum;
MipsGOTEntry* m_pLast; ///< the last consumed entry
};
} // namespace of mcld
#endif