mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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* Copyright (C) 2014 Saam Barati. <saambarati1@gmail.com>
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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 "CPU.h"
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#include "MacroAssembler.h"
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#include <wtf/Vector.h>
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namespace JSC {
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class CCallHelpers;
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class LLIntOffsetsExtractor;
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class BasicBlockLocation {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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typedef std::pair<int, int> Gap;
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BasicBlockLocation(int startOffset = -1, int endOffset = -1);
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int startOffset() const { return m_startOffset; }
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int endOffset() const { return m_endOffset; }
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void setStartOffset(int startOffset) { m_startOffset = startOffset; }
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void setEndOffset(int endOffset) { m_endOffset = endOffset; }
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bool hasExecuted() const { return m_executionCount > 0; }
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size_t executionCount() const { return m_executionCount; }
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void insertGap(int, int);
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Vector<Gap> getExecutedRanges() const;
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JS_EXPORT_PRIVATE void dumpData() const;
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#if ENABLE(JIT)
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#if USE(JSVALUE64)
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void emitExecuteCode(CCallHelpers&) const;
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#else
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void emitExecuteCode(CCallHelpers&, MacroAssembler::RegisterID scratch) const;
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#endif
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#endif
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private:
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friend class LLIntOffsetsExtractor;
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int m_startOffset;
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int m_endOffset;
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Vector<Gap> m_gaps;
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UCPURegister m_executionCount;
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};
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} // namespace JSC
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