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comparison src/share/vm/oops/oop.hpp @ 135:b7268662a986

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6689523: max heap calculation for compressed oops is off by MaxPermSize Summary: Need to subtract MaxPermSize from the total heap size when determining whether compressed oops is turned on. Reviewed-by: jmasa, jcoomes, kvn
author coleenp
date Tue, 29 Apr 2008 19:31:29 -0400
parents ba764ed4b6f2
children feeb96a45707 37f87013dfd8
comparison
equal deleted inserted replaced
134:8a79f7ec8f5d 135:b7268662a986
136 136
137 public: 137 public:
138 // Need this as public for garbage collection. 138 // Need this as public for garbage collection.
139 template <class T> T* obj_field_addr(int offset) const; 139 template <class T> T* obj_field_addr(int offset) const;
140 140
141 // Oop encoding heap max
142 static const uint64_t OopEncodingHeapMax =
143 (uint64_t(max_juint) + 1) << LogMinObjAlignmentInBytes;
144
141 static bool is_null(oop obj); 145 static bool is_null(oop obj);
142 static bool is_null(narrowOop obj); 146 static bool is_null(narrowOop obj);
143 147
144 // Decode an oop pointer from a narrowOop if compressed. 148 // Decode an oop pointer from a narrowOop if compressed.
145 // These are overloaded for oop and narrowOop as are the other functions 149 // These are overloaded for oop and narrowOop as are the other functions