src/hotspot/share/code/debugInfoRec.cpp

@@ -142,10 +142,32 @@
    add_new_pc_offset(PcDesc::lower_offset_limit);  // sentinel record
  
    debug_only(_recording_state = rs_null);
  }
  
+ DebugInformationRecorder::DebugInformationRecorder(OopRecorder* oop_recorder, int data_size, int pcs_length)
+   : _recording_non_safepoints(compute_recording_non_safepoints())
+ {
+   _pcs_size   = _pcs_length = pcs_length;
+   _pcs        = NEW_RESOURCE_ARRAY(PcDesc, _pcs_size);
+ 
+   _prev_safepoint_pc = PcDesc::lower_offset_limit;
+ 
+   _stream = new DebugInfoWriteStream(this, data_size);
+   // make sure that there is no stream_decode_offset that is zero
+   _stream->write_byte((jbyte)0xFF);
+ 
+   // make sure that we can distinguish the value "serialized_null" from offsets
+   assert(_stream->position() > serialized_null, "sanity");
+ 
+   _oop_recorder = oop_recorder;
+ 
+   _all_chunks = nullptr;
+   _next_chunk = _next_chunk_limit = nullptr;
+ 
+   debug_only(_recording_state = rs_null);
+ }
  
  void DebugInformationRecorder::add_oopmap(int pc_offset, OopMap* map) {
    // !!!!! Preserve old style handling of oopmaps for now
    _oopmaps->add_gc_map(pc_offset, map);
  }