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51 lines
1.2 KiB
51 lines
1.2 KiB
#pragma once
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#include "Array.h"
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namespace dev
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{
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namespace eth
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{
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namespace jit
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{
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class GasMeter;
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class Memory : public RuntimeHelper
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{
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public:
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Memory(RuntimeManager& _runtimeManager, GasMeter& _gasMeter);
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llvm::Value* loadWord(llvm::Value* _addr);
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void storeWord(llvm::Value* _addr, llvm::Value* _word);
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void storeByte(llvm::Value* _addr, llvm::Value* _byte);
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llvm::Value* getData();
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llvm::Value* getSize();
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llvm::Value* getBytePtr(llvm::Value* _index);
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void copyBytes(llvm::Value* _srcPtr, llvm::Value* _srcSize, llvm::Value* _srcIndex,
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llvm::Value* _destMemIdx, llvm::Value* _byteCount);
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/// Requires the amount of memory to for data defined by offset and size. And counts gas fee for that memory.
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void require(llvm::Value* _offset, llvm::Value* _size);
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private:
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Array m_memory;
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GasMeter& m_gasMeter;
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llvm::Function* createFunc(bool _isStore, llvm::Type* _type);
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llvm::Function* getRequireFunc();
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llvm::Function* getLoadWordFunc();
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llvm::Function* getStoreWordFunc();
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llvm::Function* getStoreByteFunc();
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llvm::Function* m_require = nullptr;
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llvm::Function* m_loadWord = nullptr;
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llvm::Function* m_storeWord = nullptr;
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llvm::Function* m_storeByte = nullptr;
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};
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}
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}
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}
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