46 #include "runtime/handles.inline.hpp"
47 #include "runtime/mutexLocker.hpp"
48 #include "utilities/macros.hpp"
49
50 ObjArrayKlass* ObjArrayKlass::allocate(ClassLoaderData* loader_data, int n, Klass* k, Symbol* name, TRAPS) {
51 assert(ObjArrayKlass::header_size() <= InstanceKlass::header_size(),
52 "array klasses must be same size as InstanceKlass");
53
54 int size = ArrayKlass::static_size(ObjArrayKlass::header_size());
55
56 return new (loader_data, size, THREAD) ObjArrayKlass(n, k, name);
57 }
58
59 Klass* ObjArrayKlass::allocate_objArray_klass(ClassLoaderData* loader_data,
60 int n, Klass* element_klass, TRAPS) {
61
62 // Eagerly allocate the direct array supertype.
63 Klass* super_klass = NULL;
64 if (!Universe::is_bootstrapping() || SystemDictionary::Object_klass_loaded()) {
65 Klass* element_super = element_klass->super();
66 if (element_super == SystemDictionary::___Value_klass()) {
67 element_super = NULL;
68 }
69 if (element_super != NULL) {
70 // The element type has a direct super. E.g., String[] has direct super of Object[].
71 super_klass = element_super->array_klass_or_null();
72 bool supers_exist = super_klass != NULL;
73 // Also, see if the element has secondary supertypes.
74 // We need an array type for each.
75 Array<Klass*>* element_supers = element_klass->secondary_supers();
76 for( int i = element_supers->length()-1; i >= 0; i-- ) {
77 Klass* elem_super = element_supers->at(i);
78 if (elem_super->array_klass_or_null() == NULL) {
79 supers_exist = false;
80 break;
81 }
82 }
83 if (!supers_exist) {
84 // Oops. Not allocated yet. Back out, allocate it, and retry.
85 Klass* ek = NULL;
86 {
87 MutexUnlocker mu(MultiArray_lock);
88 MutexUnlocker mc(Compile_lock); // for vtables
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46 #include "runtime/handles.inline.hpp"
47 #include "runtime/mutexLocker.hpp"
48 #include "utilities/macros.hpp"
49
50 ObjArrayKlass* ObjArrayKlass::allocate(ClassLoaderData* loader_data, int n, Klass* k, Symbol* name, TRAPS) {
51 assert(ObjArrayKlass::header_size() <= InstanceKlass::header_size(),
52 "array klasses must be same size as InstanceKlass");
53
54 int size = ArrayKlass::static_size(ObjArrayKlass::header_size());
55
56 return new (loader_data, size, THREAD) ObjArrayKlass(n, k, name);
57 }
58
59 Klass* ObjArrayKlass::allocate_objArray_klass(ClassLoaderData* loader_data,
60 int n, Klass* element_klass, TRAPS) {
61
62 // Eagerly allocate the direct array supertype.
63 Klass* super_klass = NULL;
64 if (!Universe::is_bootstrapping() || SystemDictionary::Object_klass_loaded()) {
65 Klass* element_super = element_klass->super();
66 if (element_super != NULL) {
67 // The element type has a direct super. E.g., String[] has direct super of Object[].
68 super_klass = element_super->array_klass_or_null();
69 bool supers_exist = super_klass != NULL;
70 // Also, see if the element has secondary supertypes.
71 // We need an array type for each.
72 Array<Klass*>* element_supers = element_klass->secondary_supers();
73 for( int i = element_supers->length()-1; i >= 0; i-- ) {
74 Klass* elem_super = element_supers->at(i);
75 if (elem_super->array_klass_or_null() == NULL) {
76 supers_exist = false;
77 break;
78 }
79 }
80 if (!supers_exist) {
81 // Oops. Not allocated yet. Back out, allocate it, and retry.
82 Klass* ek = NULL;
83 {
84 MutexUnlocker mu(MultiArray_lock);
85 MutexUnlocker mc(Compile_lock); // for vtables
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