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//===- LDSymbol.h ---------------------------------------------------------===//
//
// The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MCLD_LD_SYMBOL_H
#define MCLD_LD_SYMBOL_H
#ifdef ENABLE_UNITTEST
#include <gtest.h>
#endif
#include "mcld/ADT/Uncopyable.h"
#include "mcld/LD/ResolveInfo.h"
#include "mcld/MC/MCFragmentRef.h"
#include <llvm/MC/MCAssembler.h>
#include <assert.h>
namespace mcld
{
/** \class LDSymbol
* \brief LDSymbol provides a consistent abstraction for different formats
* in different targets.
*/
class LDSymbol
{
public:
// FIXME: use SizeTrait<32> or SizeTrait<64> instead of big type
typedef ResolveInfo::SizeType SizeType;
typedef uint64_t ValueType;
typedef MCFragmentRef::Offset Offset;
public:
LDSymbol();
LDSymbol(const LDSymbol& pCopy);
LDSymbol& operator=(const LDSymbol& pCopy);
~LDSymbol();
// ----- observers ----- //
const char* name() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->name();
}
unsigned int nameSize() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->nameSize();
}
llvm::StringRef str() const {
assert(NULL != m_pResolveInfo);
return llvm::StringRef(m_pResolveInfo->name(), m_pResolveInfo->nameSize());
}
bool isDyn() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->isDyn();
}
unsigned int type() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->type();
}
unsigned int desc() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->desc();
}
unsigned int binding() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->binding();
}
uint8_t other() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->other();
}
uint8_t visibility() const {
assert(NULL != m_pResolveInfo);
return m_pResolveInfo->other();
}
ValueType value() const
{ return m_Value; }
const MCFragmentRef* fragRef() const
{ return m_pFragRef; }
SizeType size() const
{ return m_pResolveInfo->size(); }
ResolveInfo* resolveInfo()
{ return m_pResolveInfo; }
const ResolveInfo* resolveInfo() const
{ return m_pResolveInfo; }
bool hasFragRef() const
{ return (NULL != m_pFragRef); }
// ----- modifiers ----- //
void setSize(SizeType pSize) {
assert(NULL != m_pResolveInfo);
m_pResolveInfo->setSize(pSize);
}
void setValue(ValueType pValue)
{ m_Value = pValue; }
void setFragmentRef(MCFragmentRef* pFragmentRef);
void setResolveInfo(const ResolveInfo& pInfo);
private:
// ----- Symbol's fields ----- //
ResolveInfo* m_pResolveInfo;
MCFragmentRef* m_pFragRef;
ValueType m_Value;
};
} // namespace mcld
#endif
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