Memory.h

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#pragma once

#include "Array.h"

namespace dev
{
namespace eth
{
namespace jit
{
class GasMeter;

class Memory : public RuntimeHelper
{
public:
        Memory(RuntimeManager& _runtimeManager, GasMeter& _gasMeter);

        llvm::Value* loadWord(llvm::Value* _addr);
        void storeWord(llvm::Value* _addr, llvm::Value* _word);
        void storeByte(llvm::Value* _addr, llvm::Value* _byte);
        llvm::Value* getData();
        llvm::Value* getSize();
        llvm::Value* getBytePtr(llvm::Value* _index);
        void copyBytes(llvm::Value* _srcPtr, llvm::Value* _srcSize, llvm::Value* _srcIndex,
                                   llvm::Value* _destMemIdx, llvm::Value* _byteCount);

        void require(llvm::Value* _offset, llvm::Value* _size);

private:
        Array m_memory;

        GasMeter& m_gasMeter;

        llvm::Function* createFunc(bool _isStore, llvm::Type* _type);

        llvm::Function* getRequireFunc();
        llvm::Function* getLoadWordFunc();
        llvm::Function* getStoreWordFunc();
        llvm::Function* getStoreByteFunc();

        llvm::Function* m_require = nullptr;
        llvm::Function* m_loadWord = nullptr;
        llvm::Function* m_storeWord = nullptr;
        llvm::Function* m_storeByte = nullptr;
};

}
}
}