Lines Matching refs:_base
33 intptr_t *_base; // the last available word
42 : _base(NULL), _top(NULL), _sp(NULL) {
47 return _base == NULL;
56 _base = (intptr_t *) mem;
57 _top = _base + (size >> LogBytesPerWord);
64 _base = NULL;
73 assert(_top >= new_sp && new_sp >= _base, "bad stack pointer");
78 return _top - _base;
81 return _sp - _base;
85 assert(_sp > _base, "stack overflow");
113 return byte_offset_of(ZeroStack, _base);