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#pragma once
#include "CompilerHelper.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);
/// Requires the amount of memory to for data defined by offset and size. And counts gas fee for that memory.
void require(llvm::Value* _offset, llvm::Value* _size);
private:
GasMeter& m_gasMeter;
llvm::Function* createFunc(bool _isStore, llvm::Type* _type, GasMeter& _gasMeter);
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;
};
}
}
}