Direct call C++ functions

src/ia32/macro-assembler-ia32.h

 // 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
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   // Convenience function: Same as above, but takes the fid instead.
   void CallRuntime(Runtime::FunctionId id, int num_arguments);
 
   // Convenience function: call an external reference.
   void CallExternalReference(ExternalReference ref, int num_arguments);
 
   // Convenience function: Same as above, but takes the fid instead.
   Object* TryCallRuntime(Runtime::FunctionId id, int num_arguments);
 
-  // Tail call of a runtime routine (jump).
-  // Like JumpToRuntime, but also takes care of passing the number
+  // Tail call of a runtime routine (jump or equivalent if jump is not
+  // possible). Like JumpToRuntime, but also takes care of passing the number
   // of arguments.
-  void TailCallRuntime(const ExternalReference& ext,
+  void TailCallRuntime(Runtime::FunctionId id,
                        int num_arguments,
                        int result_size);
 
+  void TailCallExternalReference(const ExternalReference& ext,
+                                 int num_arguments,
+                                 int result_size);
+
   void PushHandleScope(Register scratch);
 
   // Pops a handle scope using the specified scratch register and
   // ensuring that saved register, it is not no_reg, is left unchanged.
   void PopHandleScope(Register saved, Register scratch);
 
   // As PopHandleScope, but does not perform a GC.  Instead, returns a
   // retry after GC failure object if GC is necessary.
   Object* TryPopHandleScope(Register saved, Register scratch);
 
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                                Register scratch,
                                AllocationFlags flags);
   void UpdateAllocationTopHelper(Register result_end, Register scratch);
 
   // Helper for PopHandleScope.  Allowed to perform a GC and returns
   // NULL if gc_allowed.  Does not perform a GC if !gc_allowed, and
   // possibly returns a failure object indicating an allocation failure.
   Object* PopHandleScopeHelper(Register saved,
                                Register scratch,
                                bool gc_allowed);
+
+  void DirectInvokeRuntime(Runtime::Function* f, InvokeFlag flag);
 };
 
 
 // The code patcher is used to patch (typically) small parts of code e.g. for
 // debugging and other types of instrumentation. When using the code patcher
 // the exact number of bytes specified must be emitted. Is not legal to emit
 // relocation information. If any of these constraints are violated it causes
 // an assertion.
 class CodePatcher {
  public:
@@ skipping 46 matching lines @@
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_MACRO_ASSEMBLER_IA32_H_