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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 Universe::boolArrayKlass()->allocate(length, THREAD);
 45 }
 46 
 47 typeArrayOop oopFactory::new_charArray(int length, TRAPS) {
 48   return Universe::charArrayKlass()->allocate(length, THREAD);
 49 }
 50 
 51 typeArrayOop oopFactory::new_floatArray(int length, TRAPS) {
 52   return Universe::floatArrayKlass()->allocate(length, THREAD);
 53 }
 54 
 55 typeArrayOop oopFactory::new_doubleArray(int length, TRAPS) {

 99 typeArrayOop oopFactory::new_symbolArray(int length, TRAPS) {
100   BasicType type = LP64_ONLY(T_LONG) NOT_LP64(T_INT);
101   return new_typeArray(type, length, THREAD);
102 }
103 
104 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
105   TypeArrayKlass* klass = Universe::typeArrayKlass(type);
106   return klass->allocate_common(length, false, THREAD);
107 }
108 
109 
110 objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
111   assert(klass->is_klass(), "must be instance class");
112   if (klass->is_array_klass()) {
113     return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD);
114   } else {
115     return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD);
116   }
117 }
118 




































119 objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) {
120   objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle()));
121   return objArrayHandle(THREAD, obj);
122 }

 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 Universe::boolArrayKlass()->allocate(length, THREAD);
 49 }
 50 
 51 typeArrayOop oopFactory::new_charArray(int length, TRAPS) {
 52   return Universe::charArrayKlass()->allocate(length, THREAD);
 53 }
 54 
 55 typeArrayOop oopFactory::new_floatArray(int length, TRAPS) {
 56   return Universe::floatArrayKlass()->allocate(length, THREAD);
 57 }
 58 
 59 typeArrayOop oopFactory::new_doubleArray(int length, TRAPS) {

103 typeArrayOop oopFactory::new_symbolArray(int length, TRAPS) {
104   BasicType type = LP64_ONLY(T_LONG) NOT_LP64(T_INT);
105   return new_typeArray(type, length, THREAD);
106 }
107 
108 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
109   TypeArrayKlass* klass = Universe::typeArrayKlass(type);
110   return klass->allocate_common(length, false, THREAD);
111 }
112 
113 
114 objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
115   assert(klass->is_klass(), "must be instance class");
116   if (klass->is_array_klass()) {
117     return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD);
118   } else {
119     return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD);
120   }
121 }
122 
123 arrayOop oopFactory::new_valueArray(Klass* k, int length, TRAPS) {
124   InlineKlass* klass = InlineKlass::cast(k);
125   // Request a flat array, but we might not actually get it...either way "null-free" are the aaload/aastore semantics
126   Klass* array_klass = klass->value_array_klass(CHECK_NULL);
127   assert(array_klass->is_null_free_array_klass(), "Expect a null-free array class here");
128 
129   arrayOop oop;
130   if (array_klass->is_flatArray_klass()) {
131     oop = (arrayOop) FlatArrayKlass::cast(array_klass)->allocate(length, CHECK_NULL);
132     assert(oop == nullptr || oop->is_flatArray(), "sanity");
133     assert(oop == nullptr || oop->klass()->is_flatArray_klass(), "sanity");
134   } else {
135     oop = (arrayOop) ObjArrayKlass::cast(array_klass)->allocate(length, CHECK_NULL);
136   }
137   assert(oop == nullptr || oop->klass()->is_null_free_array_klass(), "sanity");
138   assert(oop == nullptr || oop->is_null_free_array(), "sanity");
139   return oop;
140 }
141 
142 objArrayHandle oopFactory::copy_flatArray_to_objArray(flatArrayHandle array, TRAPS) {
143   int len = array->length();
144   FlatArrayKlass* vak = FlatArrayKlass::cast(array->klass());
145   objArrayOop oarray = new_objectArray(array->length(), CHECK_(objArrayHandle()));
146   objArrayHandle oarrayh(THREAD, oarray);
147   vak->copy_array(array(), 0, oarrayh(), 0, len, CHECK_(objArrayHandle()));
148   return oarrayh;
149 }
150 
151 objArrayHandle  oopFactory::ensure_objArray(oop array, TRAPS) {
152   if (array != nullptr && array->is_flatArray()) {
153     return copy_flatArray_to_objArray(flatArrayHandle(THREAD, flatArrayOop(array)), THREAD);
154   } else {
155     return objArrayHandle(THREAD, objArrayOop(array));
156   }
157 }
158 
159 objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) {
160   objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle()));
161   return objArrayHandle(THREAD, obj);
162 }
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