aoqi@0: /* aoqi@0: * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. aoqi@0: * aoqi@0: * This code is free software; you can redistribute it and/or modify it aoqi@0: * under the terms of the GNU General Public License version 2 only, as aoqi@0: * published by the Free Software Foundation. aoqi@0: * aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that aoqi@0: * accompanied this code). aoqi@0: * aoqi@0: * You should have received a copy of the GNU General Public License version aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. aoqi@0: * aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@0: * or visit www.oracle.com if you need additional information or have any aoqi@0: * questions. aoqi@0: * aoqi@0: */ aoqi@0: aoqi@0: #include "precompiled.hpp" aoqi@0: #include "classfile/javaClasses.hpp" aoqi@0: #include "classfile/symbolTable.hpp" aoqi@0: #include "classfile/systemDictionary.hpp" aoqi@0: #include "classfile/vmSymbols.hpp" aoqi@0: #include "gc_interface/collectedHeap.inline.hpp" aoqi@0: #include "memory/oopFactory.hpp" aoqi@0: #include "memory/resourceArea.hpp" aoqi@0: #include "memory/universe.inline.hpp" aoqi@0: #include "oops/instanceKlass.hpp" aoqi@0: #include "oops/instanceOop.hpp" aoqi@0: #include "oops/objArrayOop.hpp" aoqi@0: #include "oops/oop.inline.hpp" aoqi@0: aoqi@0: aoqi@0: typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) { aoqi@0: int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str); aoqi@0: typeArrayOop result = new_charArray(length, CHECK_NULL); aoqi@0: if (length > 0) { aoqi@0: UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length); aoqi@0: } aoqi@0: return result; aoqi@0: } aoqi@0: aoqi@0: typeArrayOop oopFactory::new_tenured_charArray(int length, TRAPS) { aoqi@0: return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD); aoqi@0: } aoqi@0: aoqi@0: typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) { aoqi@0: Klass* type_asKlassOop = Universe::typeArrayKlassObj(type); aoqi@0: TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop); aoqi@0: typeArrayOop result = type_asArrayKlass->allocate(length, THREAD); aoqi@0: return result; aoqi@0: } aoqi@0: aoqi@0: // Create a Java array that points to metadata. aoqi@0: // As far as Java code is concerned, a metaData array is either an array of aoqi@0: // int or long depending on pointer size. Only a few things use this, like aoqi@0: // stack trace elements in Throwable. They cast Method* into this type. aoqi@0: // Note:can't point to symbols because there's no way to unreference count aoqi@0: // them when this object goes away. aoqi@0: typeArrayOop oopFactory::new_metaDataArray(int length, TRAPS) { aoqi@0: BasicType type = LP64_ONLY(T_LONG) NOT_LP64(T_INT); aoqi@0: Klass* type_asKlassOop = Universe::typeArrayKlassObj(type); aoqi@0: TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop); aoqi@0: typeArrayOop result = type_asArrayKlass->allocate_common(length, true, THREAD); aoqi@0: return result; aoqi@0: } aoqi@0: aoqi@0: typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) { aoqi@0: Klass* type_asKlassOop = Universe::typeArrayKlassObj(type); aoqi@0: TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop); aoqi@0: typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD); aoqi@0: return result; aoqi@0: } aoqi@0: aoqi@0: aoqi@0: objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) { aoqi@0: assert(klass->is_klass(), "must be instance class"); aoqi@0: if (klass->oop_is_array()) { aoqi@0: return ((ArrayKlass*)klass)->allocate_arrayArray(1, length, THREAD); aoqi@0: } else { aoqi@0: assert (klass->oop_is_instance(), "new object array with klass not an InstanceKlass"); aoqi@0: return ((InstanceKlass*)klass)->allocate_objArray(1, length, THREAD); aoqi@0: } aoqi@0: }