Put direct code pointers into JSFunction objects. This is a first step...

src/arm/builtins-arm.cc

 // Copyright 2006-2009 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 1032 matching lines @@
 
   // 5b. Get the code to call from the function and check that the number of
   //     expected arguments matches what we're providing.  If so, jump
   //     (tail-call) to the code in register edx without checking arguments.
   // r0: actual number of arguments
   // r1: function
   __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
   __ ldr(r2,
          FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));
   __ mov(r2, Operand(r2, ASR, kSmiTagSize));
-  __ ldr(r3, FieldMemOperand(r3, SharedFunctionInfo::kCodeOffset));
+  __ ldr(r3, FieldMemOperand(r1, JSFunction::kCodeOffset));
   __ add(r3, r3, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ cmp(r2, r0);  // Check formal and actual parameter counts.
   __ Jump(Handle<Code>(builtin(ArgumentsAdaptorTrampoline)),
           RelocInfo::CODE_TARGET, ne);
 
   ParameterCount expected(0);
   __ InvokeCode(r3, expected, expected, JUMP_FUNCTION);
 }
 
 
@@ skipping 247 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM