mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/*
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This file is part of solidity.
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solidity is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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solidity is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with solidity. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <test/tools/ossfuzz/YulEvmoneInterface.h>
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#include <libyul/Exceptions.h>
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using namespace solidity;
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using namespace solidity::test::fuzzer;
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using namespace solidity::yul;
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bytes YulAssembler::assemble()
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{
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if (
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!m_stack.parseAndAnalyze("source", m_yulProgram) ||
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!m_stack.parserResult()->code ||
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!m_stack.parserResult()->analysisInfo ||
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langutil::Error::containsErrors(m_stack.errors())
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)
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yulAssert(false, "Yul program could not be parsed successfully.");
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if (m_optimiseYul)
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m_stack.optimize();
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return m_stack.assemble(YulStack::Machine::EVM).bytecode->bytecode;
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}
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std::shared_ptr<yul::Object> YulAssembler::object()
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{
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return m_stack.parserResult();
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}
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evmc::Result YulEvmoneUtility::deployCode(bytes const& _input, EVMHost& _host)
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{
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// Zero initialize all message fields
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evmc_message msg = {};
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// Gas available (value of type int64_t) is set to its maximum value
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msg.gas = std::numeric_limits<int64_t>::max();
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solAssert(
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_input.size() <= 0xffff,
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"Deployed byte code is larger than the permissible 65535 bytes."
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);
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uint8_t inputSizeHigher = static_cast<uint8_t>(_input.size() >> 8);
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uint8_t inputSizeLower = _input.size() & 0xff;
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/*
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* CODESIZE
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* PUSH0 0xc
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* PUSH0 0x0
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* CODECOPY
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* PUSH1 <INPUTSIZE>
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* PUSH0 0x0
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* RETURN
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*/
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bytes deployCode = bytes{
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0x38, 0x60, 0x0c, 0x60, 0x00, 0x39, 0x61,
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inputSizeHigher, inputSizeLower,
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0x60, 0x00, 0xf3
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} + _input;
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msg.input_data = deployCode.data();
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msg.input_size = deployCode.size();
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msg.kind = EVMC_CREATE;
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return _host.call(msg);
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}
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evmc_message YulEvmoneUtility::callMessage(evmc_address _address)
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{
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evmc_message call = {};
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call.gas = std::numeric_limits<int64_t>::max();
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call.recipient = _address;
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call.code_address = _address;
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call.kind = EVMC_CALL;
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return call;
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}
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bool YulEvmoneUtility::seriousCallError(evmc_status_code _code)
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{
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if (_code == EVMC_OUT_OF_GAS)
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return true;
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else if (_code == EVMC_STACK_OVERFLOW)
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return true;
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else if (_code == EVMC_STACK_UNDERFLOW)
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return true;
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else if (_code == EVMC_INTERNAL_ERROR)
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return true;
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else if (_code == EVMC_UNDEFINED_INSTRUCTION)
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return true;
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else if (_code == EVMC_INVALID_MEMORY_ACCESS)
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return true;
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else
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return false;
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}
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