15460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===- PLT.h --------------------------------------------------------------===// 25460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 35460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// The MCLinker Project 45460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 55460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// This file is distributed under the University of Illinois Open Source 65460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// License. See LICENSE.TXT for details. 75460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao// 85460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao//===----------------------------------------------------------------------===// 987f34658dec9097d987d254a990ea7f311bfc95fStephen Hines#ifndef MCLD_TARGET_PLT_H 1087f34658dec9097d987d254a990ea7f311bfc95fStephen Hines#define MCLD_TARGET_PLT_H 115460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 12cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao#include <mcld/LD/LDSection.h> 1322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#include <mcld/LD/SectionData.h> 1422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao#include <mcld/Fragment/TargetFragment.h> 15cedee4b38f4786845183be7f5916dd520a170ae0Shih-wei Liao 1622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaonamespace mcld { 175460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 1822add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaoclass LDSection; 195460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoclass ResolveInfo; 205460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 21d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao/** \class PLTEntryDefaultBase 2287f34658dec9097d987d254a990ea7f311bfc95fStephen Hines * \brief PLTEntryDefaultBase provides the default interface for PLT Entry 23d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao */ 24d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liaoclass PLTEntryBase : public TargetFragment 25d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao{ 26d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liaopublic: 27d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao PLTEntryBase(SectionData& pParent) 28d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao : TargetFragment(Fragment::Target, &pParent), m_pValue(NULL) 29d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao {} 30d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao 31d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao virtual ~PLTEntryBase() 32d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao { 3387f34658dec9097d987d254a990ea7f311bfc95fStephen Hines free(m_pValue); 34d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao } 35d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao 36d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao void setValue(unsigned char* pValue) 37d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao { m_pValue = pValue; } 38d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao 39d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao const unsigned char* getValue() const 40d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao { return m_pValue; } 41d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao 42d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao //Used by llvm::cast<>. 43d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao static bool classof(const Fragment *O) 44d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao { return true; } 45d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao 46d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liaoprotected: 47d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao unsigned char* m_pValue; 48d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao}; 49d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao 5022add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao/** \class PLT 5122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao * \brief Procedure linkage table 525460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao */ 5322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaoclass PLT 545460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao{ 555460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaopublic: 5622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao typedef SectionData::iterator iterator; 5722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao typedef SectionData::const_iterator const_iterator; 585460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 59d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao template<size_t SIZE, typename EntryBase = PLTEntryBase> 60d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao class Entry : public EntryBase 6122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao { 6222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao public: 63d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao enum { EntrySize = SIZE }; 645460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 65d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao public: 66d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao Entry(SectionData& pParent) 67d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao : EntryBase(pParent) 68d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao {} 695460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 70d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao virtual ~Entry() {} 715460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 7222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao size_t size() const 73d0fbbb227051be16931a1aa9b4a7722ac039c698Shih-wei Liao { return EntrySize; } 7422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao }; 755460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 7622add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liaopublic: 7722add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao PLT(LDSection& pSection); 785460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 7922add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao virtual ~PLT(); 805460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 8122add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao // finalizeSectionSize - set LDSection size 8222add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao virtual void finalizeSectionSize() = 0; 8322add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao 8422add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao uint64_t addr() const { return m_Section.addr(); } 8522add6ff3426df1a85089fe6a6e1597ee3b6f300Shih-wei Liao 86551ae4ebd3e9d137ea668fb83ae4a55b8cfba451Stephen Hines const_iterator begin() const { return m_pSectionData->begin(); } 87551ae4ebd3e9d137ea668fb83ae4a55b8cfba451Stephen Hines iterator begin() { return m_pSectionData->begin(); } 88551ae4ebd3e9d137ea668fb83ae4a55b8cfba451Stephen Hines const_iterator end () const { return m_pSectionData->end(); } 89551ae4ebd3e9d137ea668fb83ae4a55b8cfba451Stephen Hines iterator end () { return m_pSectionData->end(); } 905460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 915460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liaoprotected: 925460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao LDSection& m_Section; 93551ae4ebd3e9d137ea668fb83ae4a55b8cfba451Stephen Hines SectionData* m_pSectionData; 945460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao}; 955460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 965460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao} // namespace of mcld 975460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 985460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao#endif 995460a1f25d9ddecb5c70667267d66d51af177a99Shih-wei Liao 100