148   // Print the passed in object, optionally followed by a newline.  If

   148   // Print the passed in object, optionally followed by a newline.  If

   149   // as_string is true and the object is a java.lang.String then it

   149   // as_string is true and the object is a java.lang.String then it

   150   // printed as a string, otherwise the type of the object is printed

   150   // printed as a string, otherwise the type of the object is printed

   151   // followed by its address.

   151   // followed by its address.

   152   static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline);

   152   static void log_object(JavaThread* thread, oopDesc* object, bool as_string, bool newline);

   153   static void write_barrier_pre(JavaThread* thread, oopDesc* obj);

   154   static void write_barrier_pre(JavaThread* thread, oopDesc* obj);

   154   static void write_barrier_post(JavaThread* thread, void* card);

   155   static void write_barrier_post(JavaThread* thread, void* card);

   155   static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);

   157   static jboolean validate_object(JavaThread* thread, oopDesc* parent, oopDesc* child);

   156 

   158 

   157   // used to throw exceptions from compiled JVMCI code

   159   // used to throw exceptions from compiled JVMCI code

   158   static void throw_and_post_jvmti_exception(JavaThread* thread, const char* exception, const char* message);

   160   static void throw_and_post_jvmti_exception(JavaThread* thread, const char* exception, const char* message);

   159   // helper methods to throw exception with complex messages

   161   // helper methods to throw exception with complex messages