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#include "JitVM.h"
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#include <libevm/VM.h>
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#include <evmjit/libevmjit/ExecutionEngine.h>
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#include "Utils.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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bytesConstRef JitVM::go(ExtVMFace& _ext, OnOpFunc const&, uint64_t)
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{
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using namespace jit;
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if (m_gas > std::numeric_limits<decltype(m_data.gas)>::max())
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BOOST_THROW_EXCEPTION(OutOfGas()); // Do not accept requests with gas > 2^63 (int64 max)
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if (_ext.currentBlock.number > std::numeric_limits<decltype(m_data.blockNumber)>::max())
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BOOST_THROW_EXCEPTION(OutOfGas());
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if (_ext.currentBlock.timestamp > std::numeric_limits<decltype(m_data.blockTimestamp)>::max())
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BOOST_THROW_EXCEPTION(OutOfGas());
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m_data.elems[RuntimeData::Address] = eth2llvm(fromAddress(_ext.myAddress));
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m_data.elems[RuntimeData::Caller] = eth2llvm(fromAddress(_ext.caller));
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m_data.elems[RuntimeData::Origin] = eth2llvm(fromAddress(_ext.origin));
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m_data.elems[RuntimeData::CallValue] = eth2llvm(_ext.value);
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m_data.elems[RuntimeData::GasPrice] = eth2llvm(_ext.gasPrice);
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m_data.elems[RuntimeData::CoinBase] = eth2llvm(fromAddress(_ext.currentBlock.coinbaseAddress));
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m_data.elems[RuntimeData::Difficulty] = eth2llvm(_ext.currentBlock.difficulty);
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m_data.elems[RuntimeData::GasLimit] = eth2llvm(_ext.currentBlock.gasLimit);
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m_data.callData = _ext.data.data();
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m_data.code = _ext.code.data();
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m_data.codeSize = _ext.code.size();
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m_data.callDataSize = _ext.data.size();
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m_data.gas = static_cast<decltype(m_data.gas)>(m_gas);
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m_data.blockNumber = static_cast<decltype(m_data.blockNumber)>(_ext.currentBlock.number);
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m_data.blockTimestamp = static_cast<decltype(m_data.blockTimestamp)>(_ext.currentBlock.timestamp);
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auto env = reinterpret_cast<Env*>(&_ext);
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auto exitCode = m_engine.run(_ext.code, &m_data, env);
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switch (exitCode)
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{
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case ReturnCode::Suicide:
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_ext.suicide(right160(llvm2eth(m_data.elems[RuntimeData::SuicideDestAddress])));
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break;
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case ReturnCode::BadJumpDestination:
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BOOST_THROW_EXCEPTION(BadJumpDestination());
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case ReturnCode::OutOfGas:
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BOOST_THROW_EXCEPTION(OutOfGas());
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case ReturnCode::StackTooSmall:
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BOOST_THROW_EXCEPTION(StackTooSmall());
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case ReturnCode::BadInstruction:
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BOOST_THROW_EXCEPTION(BadInstruction());
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default:
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break;
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}
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m_gas = m_data.gas; // TODO: Remove m_gas field
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return {std::get<0>(m_engine.returnData), std::get<1>(m_engine.returnData)};
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}
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}
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}
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namespace
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{
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// MSVS linker ignores export symbols in Env.cpp if nothing points at least one of them
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extern "C" void env_sload();
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void linkerWorkaround()
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{
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env_sload();
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(void)&linkerWorkaround; // suppress unused function warning from GCC
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}
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}
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