- Pass the knowledge whether the old GC is compacting to the GC prologue and ...

src/macro-assembler-ia32.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 217 matching lines @@
 
   void Ret();
 
   struct Unresolved {
     int pc;
     uint32_t flags;  // see Bootstrapper::FixupFlags decoders/encoders.
     const char* name;
   };
   List<Unresolved>* unresolved() { return &unresolved_; }
 
+  Handle<Object> CodeObject() {

[Kasper Lund, 2009/02/25 15:00:19]

Fits on one line?

[iposva, 2009/02/25 16:42:54]

Done.

+    return code_object_;
+  }
+
 
   // ---------------------------------------------------------------------------
   // StatsCounter support
 
   void SetCounter(StatsCounter* counter, int value);
   void IncrementCounter(StatsCounter* counter, int value);
   void DecrementCounter(StatsCounter* counter, int value);
 
 
   // ---------------------------------------------------------------------------
@@ skipping 12 matching lines @@
   // Verify restrictions about code generated in stubs.
   void set_generating_stub(bool value) { generating_stub_ = value; }
   bool generating_stub() { return generating_stub_; }
   void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; }
   bool allow_stub_calls() { return allow_stub_calls_; }
 
  private:
   List<Unresolved> unresolved_;
   bool generating_stub_;
   bool allow_stub_calls_;
+  Handle<Object> code_object_;  // This handle will be patched with the code
+                                // code object on installation.
 
   // Helper functions for generating invokes.
   void InvokePrologue(const ParameterCount& expected,
                       const ParameterCount& actual,
                       Handle<Code> code_constant,
                       const Operand& code_operand,
                       Label* done,
                       InvokeFlag flag);
 
   // Get the code for the given builtin. Returns if able to resolve
@@ skipping 40 matching lines @@
                                    Register index,
                                    ScaleFactor scale,
                                    int offset) {
   return Operand(object, index, scale, offset - kHeapObjectTag);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_MACRO_ASSEMBLER_IA32_H_