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