Cleanup of ARM exception handlers. Remove the unused code and...

src/frames-inl.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 25 matching lines @@
 #include "x64/frames-x64.h"
 #elif V8_TARGET_ARCH_ARM
 #include "arm/frames-arm.h"
 #endif
 
 namespace v8 {
 namespace internal {
 
 
 inline Address StackHandler::address() const {
-  // NOTE: There's an obvious problem with the address of the NULL
-  // stack handler. Right now, it benefits us that the subtraction
-  // leads to a very high address (above everything else on the
-  // stack), but maybe we should stop relying on it?
-  const int displacement = StackHandlerConstants::kAddressDisplacement;
-  Address address = reinterpret_cast<Address>(const_cast<StackHandler*>(this));
-  return address + displacement;
+  return reinterpret_cast<Address>(const_cast<StackHandler*>(this));
 }
 
 
 inline StackHandler* StackHandler::next() const {
   const int offset = StackHandlerConstants::kNextOffset;
   return FromAddress(Memory::Address_at(address() + offset));
 }
 
 
 inline bool StackHandler::includes(Address address) const {
@@ skipping 151 matching lines @@
 template<typename Iterator>
 void JavaScriptFrameIteratorTemp<Iterator>::Reset() {
   iterator_.Reset();
   if (!done()) Advance();
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAMES_INL_H_