41 #define DO_OOP_WORK_DEFN \
42 void do_oop(oop obj); \
43 template <class T> inline void do_oop_work(T* p) { \
44 T heap_oop = oopDesc::load_heap_oop(p); \
45 if (!oopDesc::is_null(heap_oop)) { \
46 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); \
47 do_oop(obj); \
48 } \
49 }
50
51 class MarkRefsIntoClosure: public OopsInGenClosure {
52 private:
53 const MemRegion _span;
54 CMSBitMap* _bitMap;
55 protected:
56 DO_OOP_WORK_DEFN
57 public:
58 MarkRefsIntoClosure(MemRegion span, CMSBitMap* bitMap);
59 virtual void do_oop(oop* p);
60 virtual void do_oop(narrowOop* p);
61 inline void do_oop_nv(oop* p) { MarkRefsIntoClosure::do_oop_work(p); }
62 inline void do_oop_nv(narrowOop* p) { MarkRefsIntoClosure::do_oop_work(p); }
63 bool do_header() { return true; }
64 Prefetch::style prefetch_style() {
65 return Prefetch::do_read;
66 }
67 };
68
69 // A variant of the above used in certain kinds of CMS
70 // marking verification.
71 class MarkRefsIntoVerifyClosure: public OopsInGenClosure {
72 private:
73 const MemRegion _span;
74 CMSBitMap* _verification_bm;
75 CMSBitMap* _cms_bm;
76 protected:
77 DO_OOP_WORK_DEFN
78 public:
79 MarkRefsIntoVerifyClosure(MemRegion span, CMSBitMap* verification_bm,
80 CMSBitMap* cms_bm);
81 virtual void do_oop(oop* p);
82 virtual void do_oop(narrowOop* p);
|
41 #define DO_OOP_WORK_DEFN \
42 void do_oop(oop obj); \
43 template <class T> inline void do_oop_work(T* p) { \
44 T heap_oop = oopDesc::load_heap_oop(p); \
45 if (!oopDesc::is_null(heap_oop)) { \
46 oop obj = oopDesc::decode_heap_oop_not_null(heap_oop); \
47 do_oop(obj); \
48 } \
49 }
50
51 class MarkRefsIntoClosure: public OopsInGenClosure {
52 private:
53 const MemRegion _span;
54 CMSBitMap* _bitMap;
55 protected:
56 DO_OOP_WORK_DEFN
57 public:
58 MarkRefsIntoClosure(MemRegion span, CMSBitMap* bitMap);
59 virtual void do_oop(oop* p);
60 virtual void do_oop(narrowOop* p);
61
62 Prefetch::style prefetch_style() {
63 return Prefetch::do_read;
64 }
65 };
66
67 class Par_MarkRefsIntoClosure: public OopsInGenClosure {
68 private:
69 const MemRegion _span;
70 CMSBitMap* _bitMap;
71 protected:
72 DO_OOP_WORK_DEFN
73 public:
74 Par_MarkRefsIntoClosure(MemRegion span, CMSBitMap* bitMap);
75 virtual void do_oop(oop* p);
76 virtual void do_oop(narrowOop* p);
77 bool do_header() { return true; }
78 Prefetch::style prefetch_style() {
79 return Prefetch::do_read;
80 }
81 };
82
83 // A variant of the above used in certain kinds of CMS
84 // marking verification.
85 class MarkRefsIntoVerifyClosure: public OopsInGenClosure {
86 private:
87 const MemRegion _span;
88 CMSBitMap* _verification_bm;
89 CMSBitMap* _cms_bm;
90 protected:
91 DO_OOP_WORK_DEFN
92 public:
93 MarkRefsIntoVerifyClosure(MemRegion span, CMSBitMap* verification_bm,
94 CMSBitMap* cms_bm);
95 virtual void do_oop(oop* p);
96 virtual void do_oop(narrowOop* p);
|