| //===- Fragment.h ---------------------------------------------------------===// |
| // |
| // The MCLinker Project |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef MCLD_FRAGMENT_FRAGMENT_H |
| #define MCLD_FRAGMENT_FRAGMENT_H |
| #ifdef ENABLE_UNITTEST |
| #include <gtest.h> |
| #endif |
| |
| #include <llvm/ADT/ilist_node.h> |
| |
| #include <llvm/Support/DataTypes.h> |
| |
| #include <cstddef> |
| #include <cassert> |
| |
| namespace mcld { |
| |
| class SectionData; |
| |
| /** \class Fragment |
| * \brief Fragment is the minimun linking unit of MCLinker. |
| */ |
| class Fragment : public llvm::ilist_node<Fragment> |
| { |
| public: |
| enum Type { |
| Alignment, |
| Fillment, |
| Region, |
| Target, |
| Stub, |
| Null |
| }; |
| |
| public: |
| Fragment(); |
| |
| Fragment(Type pKind, SectionData *pParent = NULL); |
| |
| virtual ~Fragment(); |
| |
| Type getKind() const { return m_Kind; } |
| |
| const SectionData* getParent() const { return m_pParent; } |
| SectionData* getParent() { return m_pParent; } |
| |
| void setParent(SectionData *pValue) { m_pParent = pValue; } |
| |
| uint64_t getOffset() const; |
| |
| void setOffset(uint64_t pOffset) { m_Offset = pOffset; } |
| |
| bool hasOffset() const; |
| |
| static bool classof(const Fragment *O) { return true; } |
| |
| virtual size_t size() const { |
| assert(false && "Can not call abstract Fragment::size()!"); |
| return 0; |
| } |
| |
| private: |
| Fragment(const Fragment& ); // DO NOT IMPLEMENT |
| Fragment& operator=(const Fragment& ); // DO NOT IMPLEMENT |
| |
| private: |
| Type m_Kind; |
| SectionData* m_pParent; |
| |
| uint64_t m_Offset; |
| |
| }; |
| |
| } // namespace of mcld |
| |
| #endif |
| |