Mercurial > hg > truffle

comparison src/share/vm/oops/instanceKlass.hpp @ 939:9eebd3ac74cf

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6845368: large objects cause a crash or unexpected exception Reviewed-by: jmasa, iveresov
author jcoomes
date Thu, 13 Aug 2009 16:22:45 -0700
parents b37c246bf7ce
children 26b774d693aa
comparison
equal deleted inserted replaced
938:b37c246bf7ce 939:9eebd3ac74cf
101 // ValueObjs embedded in klass. Describes where oops are located in instances of 101 // ValueObjs embedded in klass. Describes where oops are located in instances of
102 // this klass. 102 // this klass.
103 class OopMapBlock VALUE_OBJ_CLASS_SPEC { 103 class OopMapBlock VALUE_OBJ_CLASS_SPEC {
104 public: 104 public:
105 // Byte offset of the first oop mapped by this block. 105 // Byte offset of the first oop mapped by this block.
106 jushort offset() const { return _offset; } 106 int offset() const { return _offset; }
107 void set_offset(jushort offset) { _offset = offset; } 107 void set_offset(int offset) { _offset = offset; }
108 108
109 // Number of oops in this block. 109 // Number of oops in this block.
110 jushort count() const { return _count; } 110 uint count() const { return _count; }
111 void set_count(jushort count) { _count = count; } 111 void set_count(uint count) { _count = count; }
112 112
113 // sizeof(OopMapBlock) in HeapWords. 113 // sizeof(OopMapBlock) in HeapWords.
114 static const int size_in_words() { 114 static const int size_in_words() {
115 return align_size_up(int(sizeof(OopMapBlock)), HeapWordSize) >> 115 return align_size_up(int(sizeof(OopMapBlock)), HeapWordSize) >>
116 LogHeapWordSize; 116 LogHeapWordSize;
117 } 117 }
118 118
119 private: 119 private:
120 jushort _offset; 120 int _offset;
121 jushort _count; 121 uint _count;
122 }; 122 };
123 123
124 class instanceKlass: public Klass { 124 class instanceKlass: public Klass {
125 friend class VMStructs; 125 friend class VMStructs;
126 public: 126 public:
444 // source debug extension 444 // source debug extension
445 symbolOop source_debug_extension() const { return _source_debug_extension; } 445 symbolOop source_debug_extension() const { return _source_debug_extension; }
446 void set_source_debug_extension(symbolOop n){ oop_store_without_check((oop*) &_source_debug_extension, (oop) n); } 446 void set_source_debug_extension(symbolOop n){ oop_store_without_check((oop*) &_source_debug_extension, (oop) n); }
447 447
448 // nonstatic oop-map blocks 448 // nonstatic oop-map blocks
449 static int nonstatic_oop_map_size(int oop_map_count) { 449 static int nonstatic_oop_map_size(unsigned int oop_map_count) {
450 return oop_map_count * OopMapBlock::size_in_words(); 450 return oop_map_count * OopMapBlock::size_in_words();
451 } 451 }
452 int nonstatic_oop_map_count() const { 452 unsigned int nonstatic_oop_map_count() const {
453 return _nonstatic_oop_map_size / OopMapBlock::size_in_words(); 453 return _nonstatic_oop_map_size / OopMapBlock::size_in_words();
454 } 454 }
455 int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; } 455 int nonstatic_oop_map_size() const { return _nonstatic_oop_map_size; }
456 void set_nonstatic_oop_map_size(int words) { 456 void set_nonstatic_oop_map_size(int words) {
457 _nonstatic_oop_map_size = words; 457 _nonstatic_oop_map_size = words;