//===- AlignFragment.h ----------------------------------------------------===// // // The MCLinker Project // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #ifndef MCLD_LD_ALIGNFRAGMENT_H #define MCLD_LD_ALIGNFRAGMENT_H #ifdef ENABLE_UNITTEST #include <gtest.h> #endif #include <mcld/LD/Fragment.h> namespace mcld { class SectionData; class AlignFragment : public Fragment { public: AlignFragment(unsigned int pAlignment, int64_t pValue, unsigned int pValueSize, unsigned int pMaxBytesToEmit, SectionData *pSD = NULL); unsigned int getAlignment() const { return m_Alignment; } int64_t getValue() const { return m_Value; } unsigned int getValueSize() const { return m_ValueSize; } unsigned int getMaxBytesToEmit() const { return m_MaxBytesToEmit; } bool hasEmitNops() const { return m_bEmitNops; } void setEmitNops(bool pValue) { m_bEmitNops = pValue; } static bool classof(const Fragment *F) { return F->getKind() == Fragment::Alignment; } static bool classof(const AlignFragment *) { return true; } private: /// Alignment - The alignment to ensure, in bytes. unsigned int m_Alignment; /// Value - Value to use for filling padding bytes. int64_t m_Value; /// ValueSize - The size of the integer (in bytes) of \arg Value. unsigned int m_ValueSize; /// MaxBytesToEmit - The maximum number of bytes to emit; if the alignment /// cannot be satisfied in this width then this fragment is ignored. unsigned int m_MaxBytesToEmit; /// EmitNops - Flag to indicate that (optimal) NOPs should be emitted instead /// of using the provided value. The exact interpretation of this flag is /// target dependent. bool m_bEmitNops : 1; }; } // namespace of mcld #endif