// Returns true if this object has been allocated since a
// generation's "save_marks" call.
virtual bool obj_allocated_since_save_marks(const oop obj) const {
return (HeapWord*)obj >= saved_mark_word();
}
void HeapRegion::oop_before_save_marks_iterate(OopClosure* cl) {
oops_in_mr_iterate(MemRegion(bottom(), saved_mark_word()), cl);
}
// Returns a region that is guaranteed to contain (at least) all objects
// allocated at the time of the last call to "save_marks". If the space
// initializes its DirtyCardToOopClosure's specifying the "contig" option
// (that is, if the space is contiguous), then this region must contain only
// such objects: the memregion will be from the bottom of the region to the
// saved mark. Otherwise, the "obj_allocated_since_save_marks" method of
// the space must distinguish between objects in the region allocated before
// and after the call to save marks.
MemRegion used_region_at_save_marks() const {
return MemRegion(bottom(), saved_mark_word());
}
