Direct call api functions (arm implementation)

src/arm/code-stubs-arm.h

 // Copyright 2010 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 438 matching lines @@
   RegExpCEntryStub() {}
   virtual ~RegExpCEntryStub() {}
   void Generate(MacroAssembler* masm);
 
  private:
   Major MajorKey() { return RegExpCEntry; }
   int MinorKey() { return 0; }
   const char* GetName() { return "RegExpCEntryStub"; }
 };
 
+class DirectCEntryStub: public CodeStub {

[SeRya, 2011/01/20 12:09:28]

I think it worth to comment motivation this stub (and mention that its code
assumed to be unmovable).

+ public:
+  DirectCEntryStub() {}
+  void Generate(MacroAssembler* masm);
+
+ private:
+  Major MajorKey() { return DirectCEntry; }
+  int MinorKey() { return 0; }
+  const char* GetName() { return "DirectCEntryStub"; }
+};
+
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CODE_STUBS_ARM_H_