Version 4.6.85.9 (cherry-pick)

src/execution.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_EXECUTION_H_
 #define V8_EXECUTION_H_
 
 #include "src/allocation.h"
 #include "src/base/atomicops.h"
 #include "src/handles.h"
@@ skipping 118 matching lines @@
 
 // StackGuard contains the handling of the limits that are used to limit the
 // number of nested invocations of JavaScript and the stack size used in each
 // invocation.
 class StackGuard final {
  public:
   // Pass the address beyond which the stack should not grow.  The stack
   // is assumed to grow downwards.
   void SetStackLimit(uintptr_t limit);
 
+  // The simulator uses a separate JS stack. Limits on the JS stack might have
+  // to be adjusted in order to reflect overflows of the C stack, because we
+  // cannot rely on the interleaving of frames on the simulator.
+  void AdjustStackLimitForSimulator();
+
   // Threading support.
   char* ArchiveStackGuard(char* to);
   char* RestoreStackGuard(char* from);
   static int ArchiveSpacePerThread() { return sizeof(ThreadLocal); }
   void FreeThreadResources();
   // Sets up the default stack guard for this thread if it has not
   // already been set up.
   void InitThread(const ExecutionAccess& lock);
   // Clears the stack guard for this thread so it does not look as if
   // it has been set up.
@@ skipping 140 matching lines @@
   friend class Isolate;
   friend class StackLimitCheck;
   friend class PostponeInterruptsScope;
 
   DISALLOW_COPY_AND_ASSIGN(StackGuard);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_