gc/shared/blockOffsetTable.cpp

52   if (!_vs.initialize(rs, 0)) {
55   _offset_array = (u_char*)_vs.low_boundary();
60   log_trace(gc, bot)("   _vs.low_boundary(): " INTPTR_FORMAT "  _vs.high_boundary(): " INTPTR_FORMAT,
61                      p2i(_vs.low_boundary()), p2i(_vs.high_boundary()));
67   size_t old_size = _vs.committed_size();
69   char* high = _vs.high();
74     if (!_vs.expand_by(delta)) {
78     assert(_vs.high() == high + delta, "invalid expansion");
82     _vs.shrink_by(delta);
83     assert(_vs.high() == high - delta, "invalid expansion");