565 \
566 set_saved_mark_word(p); \
567 }
568
569 ALL_SINCE_SAVE_MARKS_CLOSURES(ContigSpace_OOP_SINCE_SAVE_MARKS_DEFN)
570
571 #undef ContigSpace_OOP_SINCE_SAVE_MARKS_DEFN
572
573 // Very general, slow implementation.
574 HeapWord* ContiguousSpace::block_start_const(const void* p) const {
575 assert(MemRegion(bottom(), end()).contains(p),
576 "p (" PTR_FORMAT ") not in space [" PTR_FORMAT ", " PTR_FORMAT ")",
577 p2i(p), p2i(bottom()), p2i(end()));
578 if (p >= top()) {
579 return top();
580 } else {
581 HeapWord* last = bottom();
582 HeapWord* cur = last;
583 while (cur <= p) {
584 last = cur;
585 cur += oop(cur)->size();
586 }
587 assert(oopDesc::is_oop(oop(last)), PTR_FORMAT " should be an object start", p2i(last));
588 return last;
589 }
590 }
591
592 size_t ContiguousSpace::block_size(const HeapWord* p) const {
593 assert(MemRegion(bottom(), end()).contains(p),
594 "p (" PTR_FORMAT ") not in space [" PTR_FORMAT ", " PTR_FORMAT ")",
595 p2i(p), p2i(bottom()), p2i(end()));
596 HeapWord* current_top = top();
597 assert(p <= current_top,
598 "p > current top - p: " PTR_FORMAT ", current top: " PTR_FORMAT,
599 p2i(p), p2i(current_top));
600 assert(p == current_top || oopDesc::is_oop(oop(p)),
601 "p (" PTR_FORMAT ") is not a block start - "
602 "current_top: " PTR_FORMAT ", is_oop: %s",
603 p2i(p), p2i(current_top), BOOL_TO_STR(oopDesc::is_oop(oop(p))));
604 if (p < current_top) {
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565 \
566 set_saved_mark_word(p); \
567 }
568
569 ALL_SINCE_SAVE_MARKS_CLOSURES(ContigSpace_OOP_SINCE_SAVE_MARKS_DEFN)
570
571 #undef ContigSpace_OOP_SINCE_SAVE_MARKS_DEFN
572
573 // Very general, slow implementation.
574 HeapWord* ContiguousSpace::block_start_const(const void* p) const {
575 assert(MemRegion(bottom(), end()).contains(p),
576 "p (" PTR_FORMAT ") not in space [" PTR_FORMAT ", " PTR_FORMAT ")",
577 p2i(p), p2i(bottom()), p2i(end()));
578 if (p >= top()) {
579 return top();
580 } else {
581 HeapWord* last = bottom();
582 HeapWord* cur = last;
583 while (cur <= p) {
584 last = cur;
585 // if (*((juint*)cur) == badHeapWordVal || *((juint*)cur) == badMetaWordVal) { // zapped; unparseable
586 // return NULL;
587 // }
588 cur += oop(cur)->size();
589 }
590 assert(oopDesc::is_oop(oop(last)), PTR_FORMAT " should be an object start", p2i(last));
591 return last;
592 }
593 }
594
595 size_t ContiguousSpace::block_size(const HeapWord* p) const {
596 assert(MemRegion(bottom(), end()).contains(p),
597 "p (" PTR_FORMAT ") not in space [" PTR_FORMAT ", " PTR_FORMAT ")",
598 p2i(p), p2i(bottom()), p2i(end()));
599 HeapWord* current_top = top();
600 assert(p <= current_top,
601 "p > current top - p: " PTR_FORMAT ", current top: " PTR_FORMAT,
602 p2i(p), p2i(current_top));
603 assert(p == current_top || oopDesc::is_oop(oop(p)),
604 "p (" PTR_FORMAT ") is not a block start - "
605 "current_top: " PTR_FORMAT ", is_oop: %s",
606 p2i(p), p2i(current_top), BOOL_TO_STR(oopDesc::is_oop(oop(p))));
607 if (p < current_top) {
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