21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "memory/cardTableRS.hpp"
28 #include "memory/genCollectedHeap.hpp"
29 #include "memory/generation.hpp"
30 #include "memory/space.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/atomic.inline.hpp"
33 #include "runtime/java.hpp"
34 #include "runtime/os.hpp"
35 #include "utilities/macros.hpp"
36
37 CardTableRS::CardTableRS(MemRegion whole_heap) :
38 GenRemSet(),
39 _cur_youngergen_card_val(youngergenP1_card)
40 {
41 #if INCLUDE_ALL_GCS
42 guarantee(!UseG1GC, "sanity");
43 #endif
44 _ct_bs = new CardTableModRefBSForCTRS(whole_heap);
45 _ct_bs->initialize();
46 set_bs(_ct_bs);
47 _last_cur_val_in_gen = NEW_C_HEAP_ARRAY3(jbyte, GenCollectedHeap::max_gens + 1,
48 mtGC, CURRENT_PC, AllocFailStrategy::RETURN_NULL);
49 if (_last_cur_val_in_gen == NULL) {
50 vm_exit_during_initialization("Could not create last_cur_val_in_gen array.");
51 }
52 for (int i = 0; i < GenCollectedHeap::max_gens + 1; i++) {
53 _last_cur_val_in_gen[i] = clean_card_val();
54 }
55 _ct_bs->set_CTRS(this);
56 }
57
58 CardTableRS::~CardTableRS() {
59 if (_ct_bs) {
60 delete _ct_bs;
61 _ct_bs = NULL;
62 }
63 if (_last_cur_val_in_gen) {
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21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26 #include "memory/allocation.inline.hpp"
27 #include "memory/cardTableRS.hpp"
28 #include "memory/genCollectedHeap.hpp"
29 #include "memory/generation.hpp"
30 #include "memory/space.hpp"
31 #include "oops/oop.inline.hpp"
32 #include "runtime/atomic.inline.hpp"
33 #include "runtime/java.hpp"
34 #include "runtime/os.hpp"
35 #include "utilities/macros.hpp"
36
37 CardTableRS::CardTableRS(MemRegion whole_heap) :
38 GenRemSet(),
39 _cur_youngergen_card_val(youngergenP1_card)
40 {
41 guarantee(UseSerialGC || UseConcMarkSweepGC, "sanity");
42 _ct_bs = new CardTableModRefBSForCTRS(whole_heap);
43 _ct_bs->initialize();
44 set_bs(_ct_bs);
45 _last_cur_val_in_gen = NEW_C_HEAP_ARRAY3(jbyte, GenCollectedHeap::max_gens + 1,
46 mtGC, CURRENT_PC, AllocFailStrategy::RETURN_NULL);
47 if (_last_cur_val_in_gen == NULL) {
48 vm_exit_during_initialization("Could not create last_cur_val_in_gen array.");
49 }
50 for (int i = 0; i < GenCollectedHeap::max_gens + 1; i++) {
51 _last_cur_val_in_gen[i] = clean_card_val();
52 }
53 _ct_bs->set_CTRS(this);
54 }
55
56 CardTableRS::~CardTableRS() {
57 if (_ct_bs) {
58 delete _ct_bs;
59 _ct_bs = NULL;
60 }
61 if (_last_cur_val_in_gen) {
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