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