1cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao//===- Fragment.h ---------------------------------------------------------===// 2cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// 3cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// The MCLinker Project 4cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// 5cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// This file is distributed under the University of Illinois Open Source 6cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// License. See LICENSE.TXT for details. 7cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao// 8cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao//===----------------------------------------------------------------------===// 922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#ifndef MCLD_FRAGMENT_FRAGMENT_H 1022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#define MCLD_FRAGMENT_FRAGMENT_H 11cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#ifdef ENABLE_UNITTEST 12cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <gtest.h> 13cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#endif 14cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 15cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <llvm/ADT/ilist_node.h> 1622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao 17cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <llvm/Support/DataTypes.h> 18cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 19cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <cstddef> 2022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#include <cassert> 21cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 2222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaonamespace mcld { 23cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 24cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaoclass SectionData; 25cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 26cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao/** \class Fragment 27cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao * \brief Fragment is the minimun linking unit of MCLinker. 28cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao */ 29cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaoclass Fragment : public llvm::ilist_node<Fragment> 30cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao{ 31cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaopublic: 32cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao enum Type { 33cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Alignment, 34cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Fillment, 35cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Region, 3622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao Target, 3722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao Stub, 3822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao Null 39cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao }; 40cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 41cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaopublic: 42cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Fragment(); 43cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 44cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Fragment(Type pKind, SectionData *pParent = NULL); 45cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 46cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao virtual ~Fragment(); 47cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 48cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Type getKind() const { return m_Kind; } 49cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 50d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao const SectionData* getParent() const { return m_pParent; } 51d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao SectionData* getParent() { return m_pParent; } 52cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 53cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao void setParent(SectionData *pValue) { m_pParent = pValue; } 54cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 5522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao uint64_t getOffset() const; 56cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 57cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao void setOffset(uint64_t pOffset) { m_Offset = pOffset; } 58cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 5922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao bool hasOffset() const; 60cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 61cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao static bool classof(const Fragment *O) { return true; } 62cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 6322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao virtual size_t size() const { 6422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao assert(false && "Can not call abstract Fragment::size()!"); 6522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao return 0; 6622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao } 6722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao 68cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaoprivate: 69cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Fragment(const Fragment& ); // DO NOT IMPLEMENT 70cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Fragment& operator=(const Fragment& ); // DO NOT IMPLEMENT 71cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 72cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liaoprivate: 73cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao Type m_Kind; 74cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao SectionData* m_pParent; 75cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 76cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao uint64_t m_Offset; 77cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 78cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao}; 79cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 80cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao} // namespace of mcld 81cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 82cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#endif 83cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 84