1013   objArrayOop     _head;

  1013   objArrayOop     _head;

  1014   objArrayOop     _methods;

  1014   objArrayOop     _methods;

  1015   typeArrayOop    _bcis;

  1015   typeArrayOop    _bcis;

  1016   int             _index;

  1016   int             _index;

  1017   bool            _dirty;

  1017   bool            _dirty;

  1019   No_Safepoint_Verifier _nsv;

  1018   No_Safepoint_Verifier _nsv;

  1020 

  1019 

  1021  public:

  1020  public:

  1022 

  1021 

  1023   enum {

  1022   enum {

  1027     trace_size           = java_lang_Throwable::trace_size,

  1026     trace_size           = java_lang_Throwable::trace_size,

  1028     trace_chunk_size     = java_lang_Throwable::trace_chunk_size

  1027     trace_chunk_size     = java_lang_Throwable::trace_chunk_size

  1029   };

  1028   };

  1030 

  1029 

  1031   // constructor for new backtrace

  1030   // constructor for new backtrace

  1033     expand(CHECK);

  1032     expand(CHECK);

  1034     _backtrace = _head;

  1033     _backtrace = _head;

  1035     _index = 0;

  1034     _index = 0;

  1038   }

  1035   }

  1039 

  1036 

  1040   void flush() {

  1037   void flush() {

  1041     if (_dirty && _methods != NULL) {

  1038     if (_dirty && _methods != NULL) {

  1042       BarrierSet* bs = Universe::heap()->barrier_set();

  1039       BarrierSet* bs = Universe::heap()->barrier_set();