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120 lines
2.1 KiB
120 lines
2.1 KiB
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#pragma once
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#include <vector>
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#include <libevm/ExtVMFace.h>
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#include "CompilerHelper.h"
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#include "Utils.h"
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#include "Type.h"
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#ifdef _MSC_VER
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#define EXPORT __declspec(dllexport)
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#else
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#define EXPORT
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#endif
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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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struct RuntimeData
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{
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enum Index: unsigned
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{
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Gas,
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Address,
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Caller,
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Origin,
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CallValue,
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CallDataSize,
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GasPrice,
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PrevHash,
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CoinBase,
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TimeStamp,
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Number,
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Difficulty,
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GasLimit,
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CodeSize,
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_size,
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ReturnDataOffset = CallValue, // Reuse 2 fields for return data reference
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ReturnDataSize = CallDataSize
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};
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i256 elems[_size];
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byte const* callData;
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byte const* code;
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decltype(&jmp_buf{}[0]) jmpBuf;
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static llvm::StructType* getType();
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};
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using StackImpl = std::vector<i256>;
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using MemoryImpl = bytes;
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class Runtime
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{
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public:
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Runtime(u256 _gas, ExtVMFace& _ext, jmp_buf _jmpBuf);
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~Runtime();
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Runtime(const Runtime&) = delete;
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void operator=(const Runtime&) = delete;
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RuntimeData* getDataPtr() { return &m_data; }
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StackImpl& getStack() { return m_stack; }
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MemoryImpl& getMemory() { return m_memory; }
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ExtVMFace& getExt() { return m_ext; }
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u256 getGas() const;
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bytesConstRef getReturnData() const;
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decltype(&jmp_buf{}[0]) getJmpBuf() { return m_data.jmpBuf; }
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private:
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void set(RuntimeData::Index _index, u256 _value);
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/// @internal Must be the first element to asure Runtime* === RuntimeData*
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RuntimeData m_data;
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StackImpl m_stack;
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MemoryImpl m_memory;
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ExtVMFace& m_ext;
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};
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class RuntimeManager: public CompilerHelper
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{
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public:
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RuntimeManager(llvm::IRBuilder<>& _builder);
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llvm::Value* getRuntimePtr();
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llvm::Value* get(RuntimeData::Index _index);
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llvm::Value* get(Instruction _inst);
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llvm::Value* getGas(); // TODO: Remove
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llvm::Value* getCallData();
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llvm::Value* getCode();
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void setGas(llvm::Value* _gas);
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void registerReturnData(llvm::Value* _index, llvm::Value* _size);
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void raiseException(ReturnCode _returnCode);
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private:
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llvm::Value* getPtr(RuntimeData::Index _index);
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void set(RuntimeData::Index _index, llvm::Value* _value);
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llvm::Value* getJmpBuf();
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llvm::GlobalVariable* m_dataPtr = nullptr;
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llvm::Function* m_longjmp = nullptr;
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};
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}
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}
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}
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