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Viewing changes to ext/armips/Archs/MIPS/PsxRelocator.h

  • Committer: Sérgio Benjamim
  • Date: 2017-01-02 00:12:05 UTC
  • Revision ID: sergio_br2@yahoo.com.br-20170102001205-cxbta9za203nmjwm
1.3.0 source (from ppsspp_1.3.0-r160.p5.l1762.a165.t83~56~ubuntu16.04.1.tar.xz).

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ext/armips/Archs/MIPS/PsxRelocator.h
 
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#pragma once
 
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#include "Util/ByteArray.h"
 
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#include "Core/SymbolTable.h"
 
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#include "Mips.h"
 
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#include "Commands/CAssemblerCommand.h"
 
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enum class PsxRelocationType { WordLiteral, UpperImmediate, LowerImmediate, FunctionCall };
 
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enum class PsxRelocationRefType { SymblId, SegmentOffset };
 
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struct PsxRelocation
 
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{
 
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        PsxRelocationType type;
 
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        PsxRelocationRefType refType;
 
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        int segmentOffset;
 
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        int referenceId;
 
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        int referencePos;
 
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        int relativeOffset;
 
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        int filePos;
 
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};
 
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struct PsxSegment
 
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{
 
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        std::wstring name;
 
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        int id;
 
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        ByteArray data;
 
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        std::vector<PsxRelocation> relocations;
 
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};
 
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enum class PsxSymbolType { Internal, InternalID, External, BSS, Function };
 
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struct PsxSymbol
 
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{
 
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        PsxSymbolType type;
 
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        std::wstring name;
 
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        int segment;
 
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        int offset;
 
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        int id;
 
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        int size;
 
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        Label* label;
 
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};
 
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struct PsxRelocatorFile
 
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{
 
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        std::wstring name;
 
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        std::vector<PsxSegment> segments;
 
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        std::vector<PsxSymbol> symbols;
 
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};
 
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class PsxRelocator
 
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{
 
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public:
 
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        bool init(const std::wstring& inputName);
 
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        bool relocate(int& memoryAddress);
 
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        bool hasDataChanged() { return dataChanged; };
 
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        const ByteArray& getData() const { return outputData; };
 
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        void writeSymbols(SymbolData& symData) const;
 
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private:
 
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        size_t loadString(ByteArray& data, size_t pos, std::wstring& dest);
 
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        bool parseObject(ByteArray data, PsxRelocatorFile& dest);
 
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        bool relocateFile(PsxRelocatorFile& file, int& relocationAddress);
 
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        ByteArray outputData;
 
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        std::vector<PsxRelocatorFile> files;
 
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        MipsElfRelocator* reloc;
 
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        bool dataChanged;
 
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};
 
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class DirectivePsxObjImport: public CAssemblerCommand
 
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{
 
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public:
 
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        DirectivePsxObjImport(const std::wstring& fileName);
 
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        ~DirectivePsxObjImport() { };
 
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        virtual bool Validate();
 
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        virtual void Encode() const;
 
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        virtual void writeTempData(TempData& tempData) const { };
 
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        virtual void writeSymData(SymbolData& symData) const;
 
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private:
 
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        PsxRelocator rel;
 
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};
 
 
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