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src/hotspot/share/memory/oopFactory.cpp

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 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "classfile/javaClasses.hpp"
 27 #include "classfile/symbolTable.hpp"
 28 #include "classfile/vmSymbols.hpp"
 29 #include "gc/shared/collectedHeap.inline.hpp"
 30 #include "memory/oopFactory.hpp"
 31 #include "memory/resourceArea.hpp"
 32 #include "memory/universe.hpp"



 33 #include "oops/instanceKlass.hpp"
 34 #include "oops/instanceOop.hpp"
 35 #include "oops/objArrayKlass.hpp"

 36 #include "oops/objArrayOop.hpp"
 37 #include "oops/oop.inline.hpp"
 38 #include "oops/typeArrayKlass.hpp"
 39 #include "oops/typeArrayOop.inline.hpp"
 40 #include "runtime/handles.inline.hpp"
 41 #include "utilities/utf8.hpp"
 42 
 43 typeArrayOop oopFactory::new_boolArray(int length, TRAPS) {
 44   return TypeArrayKlass::cast(Universe::boolArrayKlassObj())->allocate(length, THREAD);
 45 }
 46 
 47 typeArrayOop oopFactory::new_charArray(int length, TRAPS) {
 48   return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD);
 49 }
 50 
 51 typeArrayOop oopFactory::new_floatArray(int length, TRAPS) {
 52   return TypeArrayKlass::cast(Universe::floatArrayKlassObj())->allocate(length, THREAD);
 53 }
 54 
 55 typeArrayOop oopFactory::new_doubleArray(int length, TRAPS) {

106   return result;
107 }
108 
109 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
110   Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
111   TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
112   typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD);
113   return result;
114 }
115 
116 
117 objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
118   assert(klass->is_klass(), "must be instance class");
119   if (klass->is_array_klass()) {
120     return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD);
121   } else {
122     return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD);
123   }
124 }
125 




































126 objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) {
127   objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle()));
128   return objArrayHandle(THREAD, obj);
129 }

 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  *
 23  */
 24 
 25 #include "precompiled.hpp"
 26 #include "classfile/javaClasses.hpp"
 27 #include "classfile/symbolTable.hpp"
 28 #include "classfile/vmSymbols.hpp"
 29 #include "gc/shared/collectedHeap.inline.hpp"
 30 #include "memory/oopFactory.hpp"
 31 #include "memory/resourceArea.hpp"
 32 #include "memory/universe.hpp"
 33 #include "oops/flatArrayKlass.hpp"
 34 #include "oops/flatArrayOop.inline.hpp"
 35 #include "oops/flatArrayOop.hpp"
 36 #include "oops/instanceKlass.hpp"
 37 #include "oops/instanceOop.hpp"
 38 #include "oops/objArrayKlass.hpp"
 39 #include "oops/objArrayOop.inline.hpp"
 40 #include "oops/objArrayOop.hpp"
 41 #include "oops/oop.inline.hpp"
 42 #include "oops/typeArrayKlass.hpp"
 43 #include "oops/typeArrayOop.inline.hpp"
 44 #include "runtime/handles.inline.hpp"
 45 #include "utilities/utf8.hpp"
 46 
 47 typeArrayOop oopFactory::new_boolArray(int length, TRAPS) {
 48   return TypeArrayKlass::cast(Universe::boolArrayKlassObj())->allocate(length, THREAD);
 49 }
 50 
 51 typeArrayOop oopFactory::new_charArray(int length, TRAPS) {
 52   return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD);
 53 }
 54 
 55 typeArrayOop oopFactory::new_floatArray(int length, TRAPS) {
 56   return TypeArrayKlass::cast(Universe::floatArrayKlassObj())->allocate(length, THREAD);
 57 }
 58 
 59 typeArrayOop oopFactory::new_doubleArray(int length, TRAPS) {

110   return result;
111 }
112 
113 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
114   Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
115   TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
116   typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD);
117   return result;
118 }
119 
120 
121 objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
122   assert(klass->is_klass(), "must be instance class");
123   if (klass->is_array_klass()) {
124     return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD);
125   } else {
126     return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD);
127   }
128 }
129 
130 arrayOop oopFactory::new_flatArray(Klass* k, int length, TRAPS) {
131   InlineKlass* klass = InlineKlass::cast(k);
132   // Request flattened, but we might not actually get it...either way "null-free" are the aaload/aastore semantics
133   Klass* array_klass = klass->null_free_inline_array_klass(CHECK_NULL);
134   assert(array_klass->is_null_free_array_klass(), "Expect a null-free array class here");
135 
136   arrayOop oop;
137   if (array_klass->is_flatArray_klass()) {
138     oop = (arrayOop) FlatArrayKlass::cast(array_klass)->allocate(length, THREAD);
139     assert(oop == NULL || oop->is_flatArray(), "sanity");
140     assert(oop == NULL || oop->klass()->is_flatArray_klass(), "sanity");
141   } else {
142     oop = (arrayOop) ObjArrayKlass::cast(array_klass)->allocate(length, THREAD);
143   }
144   assert(oop == NULL || oop->klass()->is_null_free_array_klass(), "sanity");
145   assert(oop == NULL || oop->is_null_free_array(), "sanity");
146   return oop;
147 }
148 
149 objArrayHandle oopFactory::copy_flatArray_to_objArray(flatArrayHandle array, TRAPS) {
150   int len = array->length();
151   FlatArrayKlass* vak = FlatArrayKlass::cast(array->klass());
152   objArrayOop oarray = new_objectArray(array->length(), CHECK_(objArrayHandle()));
153   objArrayHandle oarrayh(THREAD, oarray);
154   vak->copy_array(array(), 0, oarrayh(), 0, len, CHECK_(objArrayHandle()));
155   return oarrayh;
156 }
157 
158 objArrayHandle  oopFactory::ensure_objArray(oop array, TRAPS) {
159   if (array != NULL && array->is_flatArray()) {
160     return copy_flatArray_to_objArray(flatArrayHandle(THREAD, flatArrayOop(array)), THREAD);
161   } else {
162     return objArrayHandle(THREAD, objArrayOop(array));
163   }
164 }
165 
166 objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) {
167   objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle()));
168   return objArrayHandle(THREAD, obj);
169 }
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