--- a/hotspot/src/share/vm/memory/cardTableRS.hpp Wed Jun 04 13:51:09 2008 -0700
+++ b/hotspot/src/share/vm/memory/cardTableRS.hpp Thu Jun 05 15:57:56 2008 -0700
@@ -44,7 +44,7 @@
return CardTableModRefBS::card_is_dirty_wrt_gen_iter(cv);
}
- CardTableModRefBSForCTRS _ct_bs;
+ CardTableModRefBSForCTRS* _ct_bs;
virtual void younger_refs_in_space_iterate(Space* sp, OopsInGenClosure* cl);
@@ -73,6 +73,8 @@
jbyte _cur_youngergen_card_val;
+ int _regions_to_iterate;
+
jbyte cur_youngergen_card_val() {
return _cur_youngergen_card_val;
}
@@ -96,7 +98,7 @@
CardTableRS* as_CardTableRS() { return this; }
- CardTableModRefBS* ct_bs() { return &_ct_bs; }
+ CardTableModRefBS* ct_bs() { return _ct_bs; }
// Override.
void prepare_for_younger_refs_iterate(bool parallel);
@@ -107,7 +109,7 @@
void younger_refs_iterate(Generation* g, OopsInGenClosure* blk);
void inline_write_ref_field_gc(void* field, oop new_val) {
- jbyte* byte = _ct_bs.byte_for(field);
+ jbyte* byte = _ct_bs->byte_for(field);
*byte = youngergen_card;
}
void write_ref_field_gc_work(void* field, oop new_val) {
@@ -122,25 +124,27 @@
void resize_covered_region(MemRegion new_region);
bool is_aligned(HeapWord* addr) {
- return _ct_bs.is_card_aligned(addr);
+ return _ct_bs->is_card_aligned(addr);
}
void verify();
void verify_aligned_region_empty(MemRegion mr);
- void clear(MemRegion mr) { _ct_bs.clear(mr); }
+ void clear(MemRegion mr) { _ct_bs->clear(mr); }
void clear_into_younger(Generation* gen, bool clear_perm);
- void invalidate(MemRegion mr) { _ct_bs.invalidate(mr); }
+ void invalidate(MemRegion mr, bool whole_heap = false) {
+ _ct_bs->invalidate(mr, whole_heap);
+ }
void invalidate_or_clear(Generation* gen, bool younger, bool perm);
static uintx ct_max_alignment_constraint() {
return CardTableModRefBS::ct_max_alignment_constraint();
}
- jbyte* byte_for(void* p) { return _ct_bs.byte_for(p); }
- jbyte* byte_after(void* p) { return _ct_bs.byte_after(p); }
- HeapWord* addr_for(jbyte* p) { return _ct_bs.addr_for(p); }
+ jbyte* byte_for(void* p) { return _ct_bs->byte_for(p); }
+ jbyte* byte_after(void* p) { return _ct_bs->byte_after(p); }
+ HeapWord* addr_for(jbyte* p) { return _ct_bs->addr_for(p); }
bool is_prev_nonclean_card_val(jbyte v) {
return