/*
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/*
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* Copyright (c) 2016 by Alex I. Kuznetsov.
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* Copyright (c) 2016 by Alex I. Kuznetsov.
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*
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*
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* Part of the LXP32 CPU IP core.
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* Part of the LXP32 CPU IP core.
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*
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*
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* This module defines the LinkableObject class which represents
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* This module defines the LinkableObject class which represents
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* compiled LXP32 binary code.
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* compiled LXP32 binary code.
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*/
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*/
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#ifndef LINKABLEOBJECT_H_INCLUDED
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#ifndef LINKABLEOBJECT_H_INCLUDED
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#define LINKABLEOBJECT_H_INCLUDED
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#define LINKABLEOBJECT_H_INCLUDED
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#include <iostream>
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#include <iostream>
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#include <vector>
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#include <vector>
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#include <map>
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#include <map>
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#include <string>
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#include <string>
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#include <cstdint>
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#include <cstdint>
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class LinkableObject {
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class LinkableObject {
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public:
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public:
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typedef unsigned char Byte;
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typedef unsigned char Byte;
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typedef std::uint32_t Word;
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typedef std::uint32_t Word;
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typedef std::int_least64_t Integer;
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typedef std::int_least64_t Integer;
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enum SymbolType {Unknown,Local,Exported,Imported};
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enum SymbolType {Unknown,Local,Exported,Imported};
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enum RefType {Regular,Short};
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enum RefType {Regular,Short};
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struct Reference {
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struct Reference {
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std::string source;
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std::string source;
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int line;
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int line;
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Word rva;
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Word rva;
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Integer offset;
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Integer offset;
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RefType type;
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RefType type;
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};
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};
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struct SymbolData {
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struct SymbolData {
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SymbolType type=Unknown;
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SymbolType type=Unknown;
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Word rva;
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Word rva;
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std::vector<Reference> refs;
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std::vector<Reference> refs;
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};
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};
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typedef std::map<std::string,SymbolData> SymbolTable;
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typedef std::map<std::string,SymbolData> SymbolTable;
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private:
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private:
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std::string _name;
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std::string _name;
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std::vector<Byte> _code;
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std::vector<Byte> _code;
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SymbolTable _symbols;
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SymbolTable _symbols;
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Word _virtualAddress=0;
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Word _virtualAddress=0;
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public:
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public:
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std::string name() const;
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std::string name() const;
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void setName(const std::string &str);
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void setName(const std::string &str);
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Word virtualAddress() const;
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Word virtualAddress() const;
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void setVirtualAddress(Word addr);
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void setVirtualAddress(Word addr);
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Byte *code();
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Byte *code();
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const Byte *code() const;
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const Byte *code() const;
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std::size_t codeSize() const;
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std::size_t codeSize() const;
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Word addWord(Word w);
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Word addWord(Word w);
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Word addByte(Byte b);
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Word addByte(Byte b);
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Word addBytes(const Byte *p,std::size_t n);
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Word addBytes(const Byte *p,std::size_t n);
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Word addZeros(std::size_t n);
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Word addZeros(std::size_t n);
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Word addPadding(std::size_t size=sizeof(LinkableObject::Word));
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Word addPadding(std::size_t size=sizeof(LinkableObject::Word));
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Word getWord(Word rva) const;
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Word getWord(Word rva) const;
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void replaceWord(Word rva,Word value);
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void replaceWord(Word rva,Word value);
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void addSymbol(const std::string &name,Word rva);
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void addSymbol(const std::string &name,Word rva);
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void addImportedSymbol(const std::string &name);
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void addImportedSymbol(const std::string &name);
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void exportSymbol(const std::string &name);
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void exportSymbol(const std::string &name);
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void addReference(const std::string &symbolName,const Reference &ref);
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void addReference(const std::string &symbolName,const Reference &ref);
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SymbolData &symbol(const std::string &name);
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SymbolData &symbol(const std::string &name);
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const SymbolData &symbol(const std::string &name) const;
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const SymbolData &symbol(const std::string &name) const;
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const SymbolTable &symbols() const;
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const SymbolTable &symbols() const;
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void serialize(const std::string &filename) const;
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void serialize(const std::string &filename) const;
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void deserialize(const std::string &filename);
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void deserialize(const std::string &filename);
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private:
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private:
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void deserializeCode(std::istream &in);
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void deserializeCode(std::istream &in);
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void deserializeSymbol(std::istream &in);
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void deserializeSymbol(std::istream &in);
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static std::vector<std::string> tokenize(const std::string &str);
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static std::vector<std::string> tokenize(const std::string &str);
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};
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};
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#endif
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#endif
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