diff -r 4ebc2e2fb97c -r 71c04702a3d5 src/hotspot/share/memory/oopFactory.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/hotspot/share/memory/oopFactory.cpp Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,97 @@ +/* + * Copyright (c) 1997, 2017, 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/shared/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 Symbol. +// As far as Java code is concerned, a Symbol array is either an array of +// int or long depending on pointer size. Only stack trace elements in Throwable use +// this. They cast Symbol* into this type. +typeArrayOop oopFactory::new_symbolArray(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(length, 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->is_array_klass()) { + return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD); + } else { + return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD); + } +} + +objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) { + objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle())); + return objArrayHandle(THREAD, obj); +} + +typeArrayHandle oopFactory::new_byteArray_handle(int length, TRAPS) { + typeArrayOop obj = new_byteArray(length, CHECK_(typeArrayHandle())); + return typeArrayHandle(THREAD, obj); +}