72 // that must be parseable as an oop by concurrent collectors.
73 oop finish(HeapWord* mem) const;
74
75 // Raw memory allocation. This will try to do a TLAB allocation, and otherwise fall
76 // back to calling CollectedHeap::mem_allocate().
77 HeapWord* mem_allocate(Allocation& allocation) const;
78
79 public:
80 // Allocate and fully construct the object, and perform various instrumentation. Could safepoint.
81 oop allocate() const;
82 };
83
84 class ObjAllocator: public MemAllocator {
85 public:
86 ObjAllocator(Klass* klass, size_t word_size, Thread* thread = Thread::current())
87 : MemAllocator(klass, word_size, thread) {}
88
89 virtual oop initialize(HeapWord* mem) const;
90 };
91
92 class ObjArrayAllocator: public MemAllocator {
93 protected:
94 const int _length;
95 const bool _do_zero;
96
97 void mem_zap_end_padding(HeapWord* mem) const PRODUCT_RETURN;
98
99 public:
100 ObjArrayAllocator(Klass* klass, size_t word_size, int length, bool do_zero,
101 Thread* thread = Thread::current())
102 : MemAllocator(klass, word_size, thread),
103 _length(length),
104 _do_zero(do_zero) {}
105
106 virtual oop initialize(HeapWord* mem) const;
107 };
108
109 class ClassAllocator: public MemAllocator {
110 public:
111 ClassAllocator(Klass* klass, size_t word_size, Thread* thread = Thread::current())
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72 // that must be parseable as an oop by concurrent collectors.
73 oop finish(HeapWord* mem) const;
74
75 // Raw memory allocation. This will try to do a TLAB allocation, and otherwise fall
76 // back to calling CollectedHeap::mem_allocate().
77 HeapWord* mem_allocate(Allocation& allocation) const;
78
79 public:
80 // Allocate and fully construct the object, and perform various instrumentation. Could safepoint.
81 oop allocate() const;
82 };
83
84 class ObjAllocator: public MemAllocator {
85 public:
86 ObjAllocator(Klass* klass, size_t word_size, Thread* thread = Thread::current())
87 : MemAllocator(klass, word_size, thread) {}
88
89 virtual oop initialize(HeapWord* mem) const;
90 };
91
92 class ObjBufferAllocator: public MemAllocator {
93 public:
94 ObjBufferAllocator(Klass* klass, size_t word_size, Thread* thread = Thread::current())
95 : MemAllocator(klass, word_size, thread) {}
96 virtual oop initialize(HeapWord* mem) const;
97 };
98
99
100 class ObjArrayAllocator: public MemAllocator {
101 protected:
102 const int _length;
103 const bool _do_zero;
104
105 void mem_zap_end_padding(HeapWord* mem) const PRODUCT_RETURN;
106
107 public:
108 ObjArrayAllocator(Klass* klass, size_t word_size, int length, bool do_zero,
109 Thread* thread = Thread::current())
110 : MemAllocator(klass, word_size, thread),
111 _length(length),
112 _do_zero(do_zero) {}
113
114 virtual oop initialize(HeapWord* mem) const;
115 };
116
117 class ClassAllocator: public MemAllocator {
118 public:
119 ClassAllocator(Klass* klass, size_t word_size, Thread* thread = Thread::current())
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