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1 files changed, 0 insertions, 176 deletions

diff --git a/Source/JavaScriptCore/runtime/SamplingProfiler.h b/Source/JavaScriptCore/runtime/SamplingProfiler.h
deleted file mode 100644
index bd9d9425c..000000000
--- a/Source/JavaScriptCore/runtime/SamplingProfiler.h
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Copyright (C) 2016 Apple Inc. All rights reserved.
- *
- * 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 SamplingProfiler_h
-#define SamplingProfiler_h
-
-#if ENABLE(SAMPLING_PROFILER)
-
-#include "CallFrame.h"
-#include "MachineStackMarker.h"
-#include <wtf/HashSet.h>
-#include <wtf/Lock.h>
-#include <wtf/Stopwatch.h>
-#include <wtf/Vector.h>
-#include <wtf/WorkQueue.h>
-
-namespace JSC {
-
-class VM;
-class ExecutableBase;
-
-class SamplingProfiler : public ThreadSafeRefCounted<SamplingProfiler> {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-
-    struct UnprocessedStackFrame {
-        UnprocessedStackFrame(CodeBlock* codeBlock, EncodedJSValue callee, CallSiteIndex callSiteIndex)
-            : unverifiedCallee(callee)
-            , verifiedCodeBlock(codeBlock)
-            , callSiteIndex(callSiteIndex)
-        { }
-        UnprocessedStackFrame()
-        {
-            unverifiedCallee = JSValue::encode(JSValue());
-            verifiedCodeBlock = nullptr;
-        }
-
-        EncodedJSValue unverifiedCallee;
-        CodeBlock* verifiedCodeBlock;
-        CallSiteIndex callSiteIndex;
-    };
-
-    enum class FrameType { 
-        Executable,
-        Host,
-        Unknown 
-    };
-
-    struct StackFrame {
-        StackFrame(ExecutableBase* executable)
-            : frameType(FrameType::Executable)
-            , executable(executable)
-        { }
-
-        StackFrame()
-        { }
-
-        FrameType frameType { FrameType::Unknown };
-        ExecutableBase* executable { nullptr };
-        JSObject* callee { nullptr };
-        // These attempt to be expression-level line and column number.
-        unsigned lineNumber { std::numeric_limits<unsigned>::max() };
-        unsigned columnNumber { std::numeric_limits<unsigned>::max() };
-
-        bool hasExpressionInfo() const
-        {
-            return lineNumber != std::numeric_limits<unsigned>::max()
-                && columnNumber != std::numeric_limits<unsigned>::max();
-        }
-
-        // These are function-level data.
-        String nameFromCallee(VM&);
-        String displayName(VM&);
-        String displayNameForJSONTests(VM&); // Used for JSC stress tests because they want the "(anonymous function)" string for anonymous functions and they want "(eval)" for eval'd code.
-        int functionStartLine();
-        unsigned functionStartColumn();
-        intptr_t sourceID();
-        String url();
-    };
-
-    struct UnprocessedStackTrace {
-        double timestamp;
-        void* topPC;
-        bool topFrameIsLLInt;
-        void* llintPC;
-        Vector<UnprocessedStackFrame> frames;
-    };
-
-    struct StackTrace {
-        double timestamp;
-        Vector<StackFrame> frames;
-        StackTrace()
-        { }
-        StackTrace(StackTrace&& other)
-            : timestamp(other.timestamp)
-            , frames(WTFMove(other.frames))
-        { }
-    };
-
-    SamplingProfiler(VM&, RefPtr<Stopwatch>&&);
-    ~SamplingProfiler();
-    void noticeJSLockAcquisition();
-    void noticeVMEntry();
-    void shutdown();
-    void visit(SlotVisitor&);
-    Lock& getLock() { return m_lock; }
-    void setTimingInterval(std::chrono::microseconds interval) { m_timingInterval = interval; }
-    JS_EXPORT_PRIVATE void start();
-    void start(const LockHolder&);
-    void stop();
-    void stop(const LockHolder&);
-    Vector<StackTrace> releaseStackTraces(const LockHolder&);
-    JS_EXPORT_PRIVATE String stackTracesAsJSON();
-    JS_EXPORT_PRIVATE void noticeCurrentThreadAsJSCExecutionThread();
-    void noticeCurrentThreadAsJSCExecutionThread(const LockHolder&);
-    void processUnverifiedStackTraces(); // You should call this only after acquiring the lock.
-    double totalTime(const LockHolder&) { return m_totalTime; }
-    void setStopWatch(const LockHolder&, Ref<Stopwatch>&& stopwatch) { m_stopwatch = WTFMove(stopwatch); }
-
-private:
-    void dispatchIfNecessary(const LockHolder&);
-    void dispatchFunction(const LockHolder&);
-    void pause();
-    void clearData(const LockHolder&);
-
-    VM& m_vm;
-    RefPtr<Stopwatch> m_stopwatch;
-    Vector<StackTrace> m_stackTraces;
-    Vector<UnprocessedStackTrace> m_unprocessedStackTraces;
-    std::chrono::microseconds m_timingInterval;
-    double m_lastTime;
-    double m_totalTime;
-    Ref<WorkQueue> m_timerQueue;
-    std::function<void ()> m_handler;
-    Lock m_lock;
-    MachineThreads::Thread* m_jscExecutionThread;
-    bool m_isActive;
-    bool m_isPaused;
-    bool m_hasDispatchedFunction;
-    HashSet<JSCell*> m_liveCellPointers;
-    Vector<UnprocessedStackFrame> m_currentFrames;
-};
-
-} // namespace JSC
-
-namespace WTF {
-
-void printInternal(PrintStream&, JSC::SamplingProfiler::FrameType);
-
-} // namespace WTF
-
-#endif // ENABLE(SAMPLING_PROFILER)
-
-#endif // SamplingProfiler_h