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-rw-r--r--Source/JavaScriptCore/runtime/ControlFlowProfiler.h115
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diff --git a/Source/JavaScriptCore/runtime/ControlFlowProfiler.h b/Source/JavaScriptCore/runtime/ControlFlowProfiler.h
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--- a/Source/JavaScriptCore/runtime/ControlFlowProfiler.h
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@@ -1,115 +0,0 @@
-/*
- * 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.
- */
-
-#ifndef ControlFlowProfiler_h
-#define ControlFlowProfiler_h
-
-#include "BasicBlockLocation.h"
-#include <wtf/HashMap.h>
-#include <wtf/HashMethod.h>
-
-namespace JSC {
-
-class VM;
-
-struct BasicBlockKey {
- BasicBlockKey()
- : m_startOffset(-3)
- , m_endOffset(-3)
- { }
-
- BasicBlockKey(int startOffset, int endOffset)
- : m_startOffset(startOffset)
- , m_endOffset(endOffset)
- { }
-
- BasicBlockKey(WTF::HashTableDeletedValueType)
- : m_startOffset(-2)
- , m_endOffset(-2)
- { }
-
- bool isHashTableDeletedValue() const { return m_startOffset == -2 && m_endOffset == -2; }
- bool operator==(const BasicBlockKey& other) const { return m_startOffset == other.m_startOffset && m_endOffset == other.m_endOffset; }
- unsigned hash() const { return m_startOffset + m_endOffset + 1; }
-
- int m_startOffset;
- int m_endOffset;
-};
-
-struct BasicBlockKeyHash {
- static unsigned hash(const BasicBlockKey& key) { return key.hash(); }
- static bool equal(const BasicBlockKey& a, const BasicBlockKey& b) { return a == b; }
- static const bool safeToCompareToEmptyOrDeleted = true;
-};
-
-} // namespace JSC
-
-namespace WTF {
-
-template<typename T> struct DefaultHash;
-template<> struct DefaultHash<JSC::BasicBlockKey> {
- typedef JSC::BasicBlockKeyHash Hash;
-};
-
-template<typename T> struct HashTraits;
-template<> struct HashTraits<JSC::BasicBlockKey> : SimpleClassHashTraits<JSC::BasicBlockKey> {
- static const bool emptyValueIsZero = false;
-};
-
-} // namespace WTF
-
-namespace JSC {
-
-struct BasicBlockRange {
- int m_startOffset;
- int m_endOffset;
- bool m_hasExecuted;
- size_t m_executionCount;
-};
-
-class ControlFlowProfiler {
- WTF_MAKE_FAST_ALLOCATED;
-public:
- ControlFlowProfiler();
- ~ControlFlowProfiler();
- BasicBlockLocation* getBasicBlockLocation(intptr_t sourceID, int startOffset, int endOffset);
- JS_EXPORT_PRIVATE void dumpData() const;
- Vector<BasicBlockRange> getBasicBlocksForSourceID(intptr_t sourceID, VM&) const;
- BasicBlockLocation* dummyBasicBlock() { return &m_dummyBasicBlock; }
- JS_EXPORT_PRIVATE bool hasBasicBlockAtTextOffsetBeenExecuted(int, intptr_t, VM&); // This function exists for testing.
- JS_EXPORT_PRIVATE size_t basicBlockExecutionCountAtTextOffset(int, intptr_t, VM&); // This function exists for testing.
-
-private:
- typedef HashMap<BasicBlockKey, BasicBlockLocation*> BlockLocationCache;
- typedef HashMap<intptr_t, BlockLocationCache> SourceIDBuckets;
-
- SourceIDBuckets m_sourceIDBuckets;
- BasicBlockLocation m_dummyBasicBlock;
-};
-
-} // namespace JSC
-
-#endif // ControlFlowProfiler_h