mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
b8ad2b2718
Model revert in yul interpreter. Add logTrace for a few more instructions and clear trace on revert.
89 lines
2.7 KiB
C++
89 lines
2.7 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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// SPDX-License-Identifier: GPL-3.0
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#include <test/tools/ossfuzz/yulFuzzerCommon.h>
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using namespace std;
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using namespace solidity;
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using namespace solidity::yul;
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using namespace solidity::yul::test::yul_fuzzer;
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yulFuzzerUtil::TerminationReason yulFuzzerUtil::interpret(
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ostream& _os,
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shared_ptr<yul::Block> _ast,
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Dialect const& _dialect,
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bool _disableMemoryTracing,
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bool _outputStorageOnly,
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size_t _maxSteps,
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size_t _maxTraceSize,
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size_t _maxExprNesting
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)
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{
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InterpreterState state;
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state.maxTraceSize = _maxTraceSize;
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state.maxSteps = _maxSteps;
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state.maxExprNesting = _maxExprNesting;
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// Add 64 bytes of pseudo-randomly generated calldata so that
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// calldata opcodes perform non trivial work.
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state.calldata = {
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0xe9, 0x96, 0x40, 0x7d, 0xa5, 0xda, 0xb0, 0x2d,
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0x97, 0xf5, 0xc3, 0x44, 0xd7, 0x65, 0x0a, 0xd8,
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0x2c, 0x14, 0x3a, 0xf3, 0xe7, 0x40, 0x0f, 0x1e,
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0x67, 0xce, 0x90, 0x44, 0x2e, 0x92, 0xdb, 0x88,
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0xb8, 0x43, 0x9c, 0x41, 0x42, 0x08, 0xf1, 0xd7,
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0x65, 0xe9, 0x7f, 0xeb, 0x7b, 0xb9, 0x56, 0x9f,
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0xc7, 0x60, 0x5f, 0x7c, 0xcd, 0xfb, 0x92, 0xcd,
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0x8e, 0xf3, 0x9b, 0xe4, 0x4f, 0x6c, 0x14, 0xde
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};
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TerminationReason reason = TerminationReason::None;
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try
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{
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Interpreter::run(state, _dialect, *_ast, _disableMemoryTracing);
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}
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catch (StepLimitReached const&)
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{
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reason = TerminationReason::StepLimitReached;
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}
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catch (TraceLimitReached const&)
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{
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reason = TerminationReason::TraceLimitReached;
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}
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catch (ExpressionNestingLimitReached const&)
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{
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reason = TerminationReason::ExpresionNestingLimitReached;
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}
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catch (ExplicitlyTerminated const&)
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{
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reason = TerminationReason::ExplicitlyTerminated;
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}
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if (_outputStorageOnly)
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state.dumpStorage(_os);
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else
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state.dumpTraceAndState(_os, _disableMemoryTracing);
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return reason;
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}
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bool yulFuzzerUtil::resourceLimitsExceeded(TerminationReason _reason)
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{
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return
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_reason == yulFuzzerUtil::TerminationReason::StepLimitReached ||
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_reason == yulFuzzerUtil::TerminationReason::TraceLimitReached ||
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_reason == yulFuzzerUtil::TerminationReason::ExpresionNestingLimitReached;
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}
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