Introduce a special kind of frames for construct frames, e.g....

src/macro-assembler-arm.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 81 matching lines @@
   // Sets the remembered set bit for [address+offset], where address is the
   // address of the heap object 'object'.  The address must be in the first 8K
   // of an allocated page. The 'scratch' register is used in the
   // implementation and all 3 registers are clobbered by the operation, as
   // well as the ip register.
   void RecordWrite(Register object, Register offset, Register scratch);
 
   // ---------------------------------------------------------------------------
   // Activation frames
 
-  void EnterInternalFrame();
-  void LeaveInternalFrame();
+  void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); }
+  void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); }
+
+  void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
+  void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
 
   // Enter specific kind of exit frame; either EXIT or
   // EXIT_DEBUG. Expects the number of arguments in register r0 and
   // the builtin function to call in register r1. Exits with argc in
   // r4, argv in r6, and and the builtin function to call in r5.
   void EnterExitFrame(StackFrame::Type type);
 
   // Leave the current exit frame. Expects the return value in r0.
   void LeaveExitFrame(StackFrame::Type type);
 
@@ skipping 139 matching lines @@
   void InvokePrologue(const ParameterCount& expected,
                       const ParameterCount& actual,
                       Handle<Code> code_constant,
                       Register code_reg,
                       Label* done,
                       InvokeFlag flag);
 
   // Get the code for the given builtin. Returns if able to resolve
   // the function in the 'resolved' flag.
   Handle<Code> ResolveBuiltin(Builtins::JavaScript id, bool* resolved);
+
+  // Activation support.
+  void EnterFrame(StackFrame::Type type);
+  void LeaveFrame(StackFrame::Type type);
 };
 
 
 // -----------------------------------------------------------------------------
 // Static helper functions.
 
 // Generate a MemOperand for loading a field from an object.
 static inline MemOperand FieldMemOperand(Register object, int offset) {
   return MemOperand(object, offset - kHeapObjectTag);
 }
 
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_MACRO_ASSEMBLER_ARM_H_