profiler/ProfilerOSRExit.h

   1 /*
   2  * Copyright (C) 2012 Apple Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef ProfilerOSRExit_h
  27 #define ProfilerOSRExit_h
  28
  29 #include "ExitKind.h"
  30 #include "JSCJSValue.h"
  31 #include "ProfilerOriginStack.h"
  32
  33 namespace JSC { namespace Profiler {
  34
  35 class OSRExit {
  36 public:
  37     OSRExit(unsigned id, const OriginStack&, ExitKind, bool isWatchpoint);
  38     ~OSRExit();
  39
  40     unsigned id() const { return m_id; }
  41     const OriginStack& origin() const { return m_origin; }
  42     ExitKind exitKind() const { return m_exitKind; }
  43     bool isWatchpoint() const { return m_isWatchpoint; }
  44
  45     uint64_t* counterAddress() { return &m_counter; }
  46     uint64_t count() const { return m_counter; }
  47
  48     JSValue toJS(ExecState*) const;
  49
  50 private:
  51     unsigned m_id;
  52     OriginStack m_origin;
  53     ExitKind m_exitKind;
  54     bool m_isWatchpoint;
  55     uint64_t m_counter;
  56 };
  57
  58 } } // namespace JSC::Profiler
  59
  60 #endif // ProfilerOSRExit_h
  61