27
28 #include "memory/cardTableRS.hpp"
29 #include "memory/defNewGeneration.hpp"
30 #include "memory/genCollectedHeap.hpp"
31 #include "memory/genOopClosures.hpp"
32 #include "memory/genRemSet.hpp"
33 #include "memory/generation.hpp"
34 #include "memory/sharedHeap.hpp"
35 #include "memory/space.hpp"
36
37 inline OopsInGenClosure::OopsInGenClosure(Generation* gen) :
38 ExtendedOopClosure(gen->ref_processor()), _orig_gen(gen), _rs(NULL) {
39 set_generation(gen);
40 }
41
42 inline void OopsInGenClosure::set_generation(Generation* gen) {
43 _gen = gen;
44 _gen_boundary = _gen->reserved().start();
45 // Barrier set for the heap, must be set after heap is initialized
46 if (_rs == NULL) {
47 GenRemSet* rs = SharedHeap::heap()->rem_set();
48 _rs = (CardTableRS*)rs;
49 }
50 }
51
52 template <class T> inline void OopsInGenClosure::do_barrier(T* p) {
53 assert(generation()->is_in_reserved(p), "expected ref in generation");
54 T heap_oop = oopDesc::load_heap_oop(p);
55 assert(!oopDesc::is_null(heap_oop), "expected non-null oop");
56 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
57 // If p points to a younger generation, mark the card.
58 if ((HeapWord*)obj < _gen_boundary) {
59 _rs->inline_write_ref_field_gc(p, obj);
60 }
61 }
62
63 template <class T> inline void OopsInGenClosure::par_do_barrier(T* p) {
64 assert(generation()->is_in_reserved(p), "expected ref in generation");
65 T heap_oop = oopDesc::load_heap_oop(p);
66 assert(!oopDesc::is_null(heap_oop), "expected non-null oop");
67 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
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27
28 #include "memory/cardTableRS.hpp"
29 #include "memory/defNewGeneration.hpp"
30 #include "memory/genCollectedHeap.hpp"
31 #include "memory/genOopClosures.hpp"
32 #include "memory/genRemSet.hpp"
33 #include "memory/generation.hpp"
34 #include "memory/sharedHeap.hpp"
35 #include "memory/space.hpp"
36
37 inline OopsInGenClosure::OopsInGenClosure(Generation* gen) :
38 ExtendedOopClosure(gen->ref_processor()), _orig_gen(gen), _rs(NULL) {
39 set_generation(gen);
40 }
41
42 inline void OopsInGenClosure::set_generation(Generation* gen) {
43 _gen = gen;
44 _gen_boundary = _gen->reserved().start();
45 // Barrier set for the heap, must be set after heap is initialized
46 if (_rs == NULL) {
47 GenRemSet* rs = GenCollectedHeap::heap()->rem_set();
48 _rs = (CardTableRS*)rs;
49 }
50 }
51
52 template <class T> inline void OopsInGenClosure::do_barrier(T* p) {
53 assert(generation()->is_in_reserved(p), "expected ref in generation");
54 T heap_oop = oopDesc::load_heap_oop(p);
55 assert(!oopDesc::is_null(heap_oop), "expected non-null oop");
56 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
57 // If p points to a younger generation, mark the card.
58 if ((HeapWord*)obj < _gen_boundary) {
59 _rs->inline_write_ref_field_gc(p, obj);
60 }
61 }
62
63 template <class T> inline void OopsInGenClosure::par_do_barrier(T* p) {
64 assert(generation()->is_in_reserved(p), "expected ref in generation");
65 T heap_oop = oopDesc::load_heap_oop(p);
66 assert(!oopDesc::is_null(heap_oop), "expected non-null oop");
67 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop);
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