Simplify handler pushing.

src/x64/code-stubs-x64.cc

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 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
 //       with the distribution.
@@ skipping 4058 matching lines @@
   // field in the JSEnv and return a failure sentinel.
   ExternalReference pending_exception(Isolate::kPendingExceptionAddress,
                                       isolate);
   __ Store(pending_exception, rax);
   __ movq(rax, Failure::Exception(), RelocInfo::NONE);
   __ jmp(&exit);
 
   // Invoke: Link this frame into the handler chain.  There's only one
   // handler block in this code object, so its index is 0.
   __ bind(&invoke);
-  __ PushTryHandler(IN_JS_ENTRY, JS_ENTRY_HANDLER, 0);
+  __ PushTryHandler(StackHandler::JS_ENTRY, 0);
 
   // Clear any pending exceptions.
   __ LoadRoot(rax, Heap::kTheHoleValueRootIndex);
   __ Store(pending_exception, rax);
 
   // Fake a receiver (NULL).
   __ push(Immediate(0));  // receiver
 
   // Invoke the function by calling through JS entry trampoline builtin and
   // pop the faked function when we return. We load the address from an
@@ skipping 2207 matching lines @@
                                  xmm0,
                                  &slow_elements);
   __ ret(0);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64