98
99 jlong long_at(int which) const;
100 void long_at_put(int which, jlong contents);
101
102 jfloat float_at(int which) const;
103 void float_at_put(int which, jfloat contents);
104
105 jdouble double_at(int which) const;
106 void double_at_put(int which, jdouble contents);
107
108 jbyte byte_at_acquire(int which) const;
109 void release_byte_at_put(int which, jbyte contents);
110
111 Symbol* symbol_at(int which) const;
112 void symbol_at_put(int which, Symbol* contents);
113
114 // Sizing
115
116 // Returns the number of words necessary to hold an array of "len"
117 // elements each of the given "byte_size".
118 private:
119 static size_t object_size(int lh, int length) {
120 int instance_header_size = Klass::layout_helper_header_size(lh);
121 int element_shift = Klass::layout_helper_log2_element_size(lh);
122 DEBUG_ONLY(BasicType etype = Klass::layout_helper_element_type(lh));
123 assert(length <= arrayOopDesc::max_array_length(etype), "no overflow");
124
125 julong size_in_bytes = (juint)length;
126 size_in_bytes <<= element_shift;
127 size_in_bytes += instance_header_size;
128 julong size_in_words = ((size_in_bytes + (HeapWordSize-1)) >> LogHeapWordSize);
129 assert(size_in_words <= (julong)max_jint, "no overflow");
130
131 return align_object_size((size_t)size_in_words);
132 }
133
134 public:
135 inline size_t object_size(const TypeArrayKlass* tk) const;
136 };
137
138 // See similar requirement for oopDesc.
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98
99 jlong long_at(int which) const;
100 void long_at_put(int which, jlong contents);
101
102 jfloat float_at(int which) const;
103 void float_at_put(int which, jfloat contents);
104
105 jdouble double_at(int which) const;
106 void double_at_put(int which, jdouble contents);
107
108 jbyte byte_at_acquire(int which) const;
109 void release_byte_at_put(int which, jbyte contents);
110
111 Symbol* symbol_at(int which) const;
112 void symbol_at_put(int which, Symbol* contents);
113
114 // Sizing
115
116 // Returns the number of words necessary to hold an array of "len"
117 // elements each of the given "byte_size".
118 static size_t object_size(int lh, int length) {
119 int instance_header_size = Klass::layout_helper_header_size(lh);
120 int element_shift = Klass::layout_helper_log2_element_size(lh);
121 DEBUG_ONLY(BasicType etype = Klass::layout_helper_element_type(lh));
122 assert(length <= arrayOopDesc::max_array_length(etype), "no overflow");
123
124 julong size_in_bytes = (juint)length;
125 size_in_bytes <<= element_shift;
126 size_in_bytes += instance_header_size;
127 julong size_in_words = ((size_in_bytes + (HeapWordSize-1)) >> LogHeapWordSize);
128 assert(size_in_words <= (julong)max_jint, "no overflow");
129
130 return align_object_size((size_t)size_in_words);
131 }
132
133 public:
134 inline size_t object_size(const TypeArrayKlass* tk) const;
135 };
136
137 // See similar requirement for oopDesc.
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