Tue, 15 Nov 2011 20:17:33 +0100
7110152: assert(size_in_words <= (julong)max_jint) failed: no overflow
Summary: Reduce what arrayOopDesc::max_array_length() returns to avoid int overflow
Reviewed-by: kvn, dholmes, tonyp
1 /*
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25 #ifndef SHARE_VM_OOPS_ARRAYKLASSKLASS_HPP
26 #define SHARE_VM_OOPS_ARRAYKLASSKLASS_HPP
28 #include "oops/arrayKlass.hpp"
29 #include "oops/klassKlass.hpp"
31 // arrayKlassKlass is the abstract baseclass for all array class classes
33 class arrayKlassKlass : public klassKlass {
34 public:
35 // Testing
36 bool oop_is_arrayKlass() const { return true; }
38 // Allocation
39 DEFINE_ALLOCATE_PERMANENT(arrayKlassKlass);
40 static klassOop create_klass(TRAPS);
42 // Casting from klassOop
43 static arrayKlassKlass* cast(klassOop k) {
44 assert(k->klass_part()->oop_is_klass(), "cast to arrayKlassKlass");
45 return (arrayKlassKlass*) k->klass_part();
46 }
48 // Sizing
49 static int header_size() { return oopDesc::header_size() + sizeof(arrayKlassKlass)/HeapWordSize; }
50 int object_size() const { return align_object_size(header_size()); }
52 // Garbage collection
53 void oop_follow_contents(oop obj);
54 int oop_adjust_pointers(oop obj);
55 bool oop_is_parsable(oop obj) const;
57 // Parallel Scavenge and Parallel Old
58 PARALLEL_GC_DECLS
60 // Iterators
61 int oop_oop_iterate(oop obj, OopClosure* blk);
62 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
64 // Printing
65 void oop_print_value_on(oop obj, outputStream* st);
66 void oop_print_on(oop obj, outputStream* st);
68 // Verification
69 const char* internal_name() const;
70 void oop_verify_on(oop obj, outputStream* st);
71 };
73 #endif // SHARE_VM_OOPS_ARRAYKLASSKLASS_HPP