67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
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/*
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* Copyright (C) 2019 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "FuzzerAgent.h"
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#include "Opcode.h"
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#include <wtf/Lock.h>
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namespace JSC {
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class VM;
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struct PredictionTarget {
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BytecodeIndex bytecodeIndex;
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int divot;
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int startOffset;
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int endOffset;
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unsigned line;
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unsigned column;
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OpcodeID opcodeId;
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String sourceFilename;
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String lookupKey;
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};
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class FileBasedFuzzerAgentBase : public FuzzerAgent {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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FileBasedFuzzerAgentBase(VM&);
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protected:
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Lock m_lock;
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virtual SpeculatedType getPredictionInternal(CodeBlock*, PredictionTarget&, SpeculatedType original) = 0;
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public:
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SpeculatedType getPrediction(CodeBlock*, const CodeOrigin&, SpeculatedType original) final;
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protected:
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static String createLookupKey(const String& sourceFilename, OpcodeID, int startLocation, int endLocation);
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static OpcodeID opcodeAliasForLookupKey(const OpcodeID&);
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};
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} // namespace JSC
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