Fix exit frame type in breakpoint stub

src/codegen.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 312 matching lines @@
     PrintF("CompareStub (cc %d), (strict %s)\n",
            static_cast<int>(cc_),
            strict_ ? "true" : "false");
   }
 #endif
 };
 
 
 class CEntryStub : public CodeStub {
  public:
-  explicit CEntryStub(int result_size) : result_size_(result_size) { }
+  explicit CEntryStub(int result_size,
+                      ExitFrame::Mode mode = ExitFrame::MODE_NORMAL)
+      : result_size_(result_size), mode_(mode) { }
 
-  void Generate(MacroAssembler* masm) { GenerateBody(masm, false); }
+  void Generate(MacroAssembler* masm);
 
- protected:
-  void GenerateBody(MacroAssembler* masm, bool is_debug_break);
+ private:
   void GenerateCore(MacroAssembler* masm,
                     Label* throw_normal_exception,
                     Label* throw_termination_exception,
                     Label* throw_out_of_memory_exception,
-                    ExitFrame::Mode mode,
                     bool do_gc,
                     bool always_allocate_scope);
   void GenerateThrowTOS(MacroAssembler* masm);
   void GenerateThrowUncatchable(MacroAssembler* masm,
                                 UncatchableExceptionType type);
- private:
+
   // Number of pointers/values returned.
-  int result_size_;
+  int const result_size_;
+  ExitFrame::Mode const mode_;
+
+  // Minor key encoding
+  class ExitFrameModeBits: public BitField<ExitFrame::Mode, 0, 1> {};
+  class IndirectResultBits: public BitField<bool, 1, 1> {};
 
   Major MajorKey() { return CEntry; }
   // Minor key must differ if different result_size_ values means different
   // code is generated.
   int MinorKey();
 
   const char* GetName() { return "CEntryStub"; }
 };
 
 
@@ skipping 16 matching lines @@
   Major MajorKey() { return NoCache; }
   int MinorKey() { return 0; }
   const char* GetName() { return "ApiEntryStub"; }
   // The accessor info associated with the function.
   Handle<AccessorInfo> info_;
   // The function to be called.
   ApiFunction* fun_;
 };
 
 
-// Mark the debugger statemet to be recognized bu debugger (by the MajorKey)
+// Mark the debugger statemet to be recognized by debugger (by the MajorKey)
 class DebugerStatementStub : public CodeStub {
  public:
   DebugerStatementStub() { }
 
   void Generate(MacroAssembler* masm);
 
  private:
   Major MajorKey() { return DebuggerStatement; }
   int MinorKey() { return 0; }
 
@@ skipping 137 matching lines @@
  private:
   Major MajorKey() { return ToBoolean; }
   int MinorKey() { return 0; }
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODEGEN_H_