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72 lines
1.6 KiB
72 lines
1.6 KiB
7 months ago
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//===- Fragment.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_FRAGMENT_H_
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#define MCLD_FRAGMENT_FRAGMENT_H_
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#include "mcld/Support/Compiler.h"
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#include <llvm/ADT/ilist_node.h>
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#include <llvm/Support/DataTypes.h>
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#include <cassert>
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#include <cstddef>
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namespace mcld {
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class SectionData;
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/** \class Fragment
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* \brief Fragment is the minimun linking unit of MCLinker.
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*/
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class Fragment : public llvm::ilist_node_with_parent<Fragment, SectionData> {
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public:
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enum Type { Alignment, Fillment, Region, Target, Stub, Null };
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public:
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Fragment();
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explicit Fragment(Type pKind, SectionData* pParent = NULL);
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virtual ~Fragment();
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Type getKind() const { return m_Kind; }
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const SectionData* getParent() const { return m_pParent; }
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SectionData* getParent() { return m_pParent; }
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void setParent(SectionData* pValue) { m_pParent = pValue; }
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uint64_t getOffset() const;
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void setOffset(uint64_t pOffset) { m_Offset = pOffset; }
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bool hasOffset() const;
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static bool classof(const Fragment* O) { return true; }
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virtual size_t size() const {
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assert(false && "Can not call abstract Fragment::size()!");
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return 0;
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}
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private:
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Type m_Kind;
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SectionData* m_pParent;
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uint64_t m_Offset;
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private:
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DISALLOW_COPY_AND_ASSIGN(Fragment);
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};
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} // namespace mcld
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#endif // MCLD_FRAGMENT_FRAGMENT_H_
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