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

src/macro-assembler-ia32.cc

 // 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 294 matching lines @@
 
 void MacroAssembler::FCmp() {
   fcompp();
   push(eax);
   fnstsw_ax();
   sahf();
   pop(eax);
 }
 
 
-void MacroAssembler::EnterInternalFrame() {
-  int type = StackFrame::INTERNAL;
-
+void MacroAssembler::EnterFrame(StackFrame::Type type) {
   push(ebp);
   mov(ebp, Operand(esp));
   push(esi);
   push(Immediate(Smi::FromInt(type)));
   push(Immediate(0));  // Push an empty code cache slot.
 }
 
 
-void MacroAssembler::LeaveInternalFrame() {
+void MacroAssembler::LeaveFrame(StackFrame::Type type) {
   if (FLAG_debug_code) {
-    StackFrame::Type type = StackFrame::INTERNAL;
     cmp(Operand(ebp, StandardFrameConstants::kMarkerOffset),
         Immediate(Smi::FromInt(type)));
     Check(equal, "stack frame types must match");
   }
   leave();
 }
 
 
 void MacroAssembler::EnterExitFrame(StackFrame::Type type) {
   ASSERT(type == StackFrame::EXIT || type == StackFrame::EXIT_DEBUG);
@@ skipping 625 matching lines @@
   // Indicate that code has changed.
   CPU::FlushICache(address_, size_);
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal