// use_prev_marking == true -> use "prev" marking information,
// use_prev_marking == false -> use "next" marking information
VerifyLiveClosure(G1CollectedHeap* g1h, bool use_prev_marking) :
_g1h(g1h), _bs(NULL), _containing_obj(NULL),
_failures(false), _n_failures(0), _use_prev_marking(use_prev_marking)
{
BarrierSet* bs = _g1h->barrier_set();
if (bs->is_a(BarrierSet::CardTableModRef))
_bs = (CardTableModRefBS*)bs;
}
// _vo == UsePrevMarking -> use "prev" marking information,
// _vo == UseNextMarking -> use "next" marking information,
// _vo == UseMarkWord -> use mark word from object header.
VerifyLiveClosure(G1CollectedHeap* g1h, VerifyOption vo) :
_g1h(g1h), _bs(NULL), _containing_obj(NULL),
_failures(false), _n_failures(0), _vo(vo)
{
BarrierSet* bs = _g1h->barrier_set();
if (bs->is_a(BarrierSet::CardTableModRef))
_bs = (CardTableModRefBS*)bs;
}
ScanRSClosure(OopsInHeapRegionClosure* oc, int worker_i) :
_oc(oc),
_cards(0),
_cards_done(0),
_worker_i(worker_i),
_try_claimed(false)
{
_g1h = G1CollectedHeap::heap();
_bot_shared = _g1h->bot_shared();
_ct_bs = (CardTableModRefBS*) (_g1h->barrier_set());
_block_size = MAX2<int>(G1RSetScanBlockSize, 1);
}
UpdateRSetOopsIntoCSDeferred(G1CollectedHeap* g1, DirtyCardQueue* dcq) :
_g1(g1), _ct_bs((CardTableModRefBS*)_g1->barrier_set()), _dcq(dcq) { }