| /* |
| * Copyright (C) 2014 Apple Inc. All rights reserved. |
| * Copyright (C) 2014 Saam Barati. <saambarati1@gmail.com> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "MacroAssembler.h" |
| #include <wtf/RefPtr.h> |
| #include <wtf/Vector.h> |
| |
| namespace JSC { |
| |
| class CCallHelpers; |
| class LLIntOffsetsExtractor; |
| |
| class BasicBlockLocation { |
| public: |
| typedef std::pair<int, int> Gap; |
| |
| BasicBlockLocation(int startOffset = -1, int endOffset = -1); |
| |
| int startOffset() const { return m_startOffset; } |
| int endOffset() const { return m_endOffset; } |
| void setStartOffset(int startOffset) { m_startOffset = startOffset; } |
| void setEndOffset(int endOffset) { m_endOffset = endOffset; } |
| bool hasExecuted() const { return m_executionCount > 0; } |
| size_t executionCount() const { return m_executionCount; } |
| void insertGap(int, int); |
| Vector<Gap> getExecutedRanges() const; |
| JS_EXPORT_PRIVATE void dumpData() const; |
| #if ENABLE(JIT) |
| #if USE(JSVALUE64) |
| void emitExecuteCode(CCallHelpers&) const; |
| #else |
| void emitExecuteCode(CCallHelpers&, MacroAssembler::RegisterID scratch) const; |
| #endif |
| #endif |
| |
| private: |
| friend class LLIntOffsetsExtractor; |
| |
| int m_startOffset; |
| int m_endOffset; |
| size_t m_executionCount; |
| Vector<Gap> m_gaps; |
| }; |
| |
| } // namespace JSC |
