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46 lines
1.1 KiB
46 lines
1.1 KiB
#pragma once
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#include "CompilerHelper.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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GasMeter& m_gasMeter;
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llvm::Function* createFunc(bool _isStore, llvm::Type* _type, GasMeter& _gasMeter);
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llvm::Function* createRequireFunc(GasMeter& _gasMeter);
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llvm::Function* m_resize;
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llvm::Function* m_require;
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llvm::Function* m_loadWord;
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llvm::Function* m_storeWord;
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llvm::Function* m_storeByte;
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};
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}
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}
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}
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