PPC: Serializer: serialize internal references via object visitor.

src/ppc/assembler-ppc.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 611 matching lines @@
   INLINE(static Address return_address_from_call_start(Address pc));
 
   // Return the code target address of the patch debug break slot
   INLINE(static Address break_address_from_return_address(Address pc));
 
   // This sets the branch destination.
   // This is for calls and branches within generated code.
   inline static void deserialization_set_special_target_at(
       Address instruction_payload, Code* code, Address target);
 
+  // This sets the internal reference at the pc.
+  inline static void deserialization_set_target_internal_reference_at(
+      Address pc, Address target);
+
   // Size of an instruction.
   static const int kInstrSize = sizeof(Instr);
 
   // Here we are patching the address in the LUI/ORI instruction pair.
   // These values are used in the serialization process and must be zero for
   // PPC platform, as Code, Embedded Object or External-reference pointers
   // are split across two consecutive instructions and don't exist separately
   // in the code, so the serializer should not step forwards in memory after
   // a target is resolved and written.
   static const int kSpecialTargetSize = 0;
@@ skipping 796 matching lines @@
 
 
 class EnsureSpace BASE_EMBEDDED {
  public:
   explicit EnsureSpace(Assembler* assembler) { assembler->CheckBuffer(); }
 };
 }
 }  // namespace v8::internal
 
 #endif  // V8_PPC_ASSEMBLER_PPC_H_