[Isolates] Merge crankshaft (r5922 from bleeding_edge).

src/execution.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * 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
@@ skipping 20 matching lines @@
 namespace v8 {
 namespace internal {
 
 
 // Flag used to set the interrupt causes.
 enum InterruptFlag {
   INTERRUPT = 1 << 0,
   DEBUGBREAK = 1 << 1,
   DEBUGCOMMAND = 1 << 2,
   PREEMPT = 1 << 3,
-  TERMINATE = 1 << 4
+  TERMINATE = 1 << 4,
+  RUNTIME_PROFILER_TICK = 1 << 5
 };
 
 class Execution : public AllStatic {
  public:
   // Call a function, the caller supplies a receiver and an array
   // of arguments. Arguments are Object* type. After function returns,
   // pointers in 'args' might be invalid.
   //
   // *pending_exception tells whether the invoke resulted in
   // a pending exception.
@@ skipping 117 matching lines @@
   // it has been set up.
   void ClearThread(const ExecutionAccess& lock);
 
   bool IsStackOverflow();
   bool IsPreempted();
   void Preempt();
   bool IsInterrupted();
   void Interrupt();
   bool IsTerminateExecution();
   void TerminateExecution();
+  bool IsRuntimeProfilerTick();
+  void RequestRuntimeProfilerTick();
 #ifdef ENABLE_DEBUGGER_SUPPORT
   bool IsDebugBreak();
   void DebugBreak();
   bool IsDebugCommand();
   void DebugCommand();
 #endif
   void Continue(InterruptFlag after_what);
 
   // This provides an asynchronous read of the stack limits for the current
   // thread.  There are no locks protecting this, but it is assumed that you
@@ skipping 92 matching lines @@
   friend class StackLimitCheck;
   friend class PostponeInterruptsScope;
 
   DISALLOW_COPY_AND_ASSIGN(StackGuard);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_