Direct load of global function prototype.

src/stub-cache.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 331 matching lines @@
   Object* CompileCallDebugBreak(Code::Flags flags);
   Object* CompileCallDebugPrepareStepIn(Code::Flags flags);
 #endif
   Object* CompileLazyCompile(Code::Flags flags);
 
   // Static functions for generating parts of stubs.
   static void GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
                                                   int index,
                                                   Register prototype);
 
+  // Generates prototype loading code that uses the objects from the
+  // context we were in when this function was called.  This ties the
+  // generated code to a particular context and so must not be used in
+  // cases where the generated code is not allowed to have references
+  // to objects from a context.
+  static void GenerateDirectLoadGlobalFunctionPrototype(MacroAssembler* masm,
+                                                        int index,
+                                                        Register prototype);
+
   static void GenerateFastPropertyLoad(MacroAssembler* masm,
                                        Register dst, Register src,
                                        JSObject* holder, int index);
 
   static void GenerateLoadArrayLength(MacroAssembler* masm,
                                       Register receiver,
                                       Register scratch,
                                       Label* miss_label);
 
   static void GenerateLoadStringLength(MacroAssembler* masm,
@@ skipping 330 matching lines @@
 
   JSFunction* constant_function_;
   bool is_simple_api_call_;
   FunctionTemplateInfo* expected_receiver_type_;
   CallHandlerInfo* api_call_info_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_STUB_CACHE_H_