126 Klass* bk;
127 if (element_klass->is_objArray_klass()) {
128 bk = ObjArrayKlass::cast(element_klass)->bottom_klass();
129 } else {
130 bk = element_klass;
131 }
132 assert(bk != nullptr && (bk->is_instance_klass() || bk->is_typeArray_klass()), "invalid bottom klass");
133 set_bottom_klass(bk);
134 set_class_loader_data(bk->class_loader_data());
135
136 if (element_klass->is_array_klass()) {
137 set_lower_dimension(ArrayKlass::cast(element_klass));
138 }
139
140 set_layout_helper(array_layout_helper(T_OBJECT));
141 assert(is_array_klass(), "sanity");
142 assert(is_objArray_klass(), "sanity");
143 }
144
145 size_t ObjArrayKlass::oop_size(oop obj) const {
146 assert(obj->is_objArray(), "must be object array");
147 return objArrayOop(obj)->object_size();
148 }
149
150 objArrayOop ObjArrayKlass::allocate(int length, TRAPS) {
151 check_array_allocation_length(length, arrayOopDesc::max_array_length(T_OBJECT), CHECK_NULL);
152 size_t size = objArrayOopDesc::object_size(length);
153 return (objArrayOop)Universe::heap()->array_allocate(this, size, length,
154 /* do_zero */ true, THREAD);
155 }
156
157 oop ObjArrayKlass::multi_allocate(int rank, jint* sizes, TRAPS) {
158 int length = *sizes;
159 ArrayKlass* ld_klass = lower_dimension();
160 // If length < 0 allocate will throw an exception.
161 objArrayOop array = allocate(length, CHECK_NULL);
162 objArrayHandle h_array (THREAD, array);
163 if (rank > 1) {
164 if (length != 0) {
165 for (int index = 0; index < length; index++) {
166 oop sub_array = ld_klass->multi_allocate(rank - 1, &sizes[1], CHECK_NULL);
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126 Klass* bk;
127 if (element_klass->is_objArray_klass()) {
128 bk = ObjArrayKlass::cast(element_klass)->bottom_klass();
129 } else {
130 bk = element_klass;
131 }
132 assert(bk != nullptr && (bk->is_instance_klass() || bk->is_typeArray_klass()), "invalid bottom klass");
133 set_bottom_klass(bk);
134 set_class_loader_data(bk->class_loader_data());
135
136 if (element_klass->is_array_klass()) {
137 set_lower_dimension(ArrayKlass::cast(element_klass));
138 }
139
140 set_layout_helper(array_layout_helper(T_OBJECT));
141 assert(is_array_klass(), "sanity");
142 assert(is_objArray_klass(), "sanity");
143 }
144
145 size_t ObjArrayKlass::oop_size(oop obj) const {
146 // In this assert, we cannot safely access the Klass* with compact headers.
147 assert(UseCompactObjectHeaders || obj->is_objArray(), "must be object array");
148 return objArrayOop(obj)->object_size();
149 }
150
151 objArrayOop ObjArrayKlass::allocate(int length, TRAPS) {
152 check_array_allocation_length(length, arrayOopDesc::max_array_length(T_OBJECT), CHECK_NULL);
153 size_t size = objArrayOopDesc::object_size(length);
154 return (objArrayOop)Universe::heap()->array_allocate(this, size, length,
155 /* do_zero */ true, THREAD);
156 }
157
158 oop ObjArrayKlass::multi_allocate(int rank, jint* sizes, TRAPS) {
159 int length = *sizes;
160 ArrayKlass* ld_klass = lower_dimension();
161 // If length < 0 allocate will throw an exception.
162 objArrayOop array = allocate(length, CHECK_NULL);
163 objArrayHandle h_array (THREAD, array);
164 if (rank > 1) {
165 if (length != 0) {
166 for (int index = 0; index < length; index++) {
167 oop sub_array = ld_klass->multi_allocate(rank - 1, &sizes[1], CHECK_NULL);
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