1/*
2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
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/systemDictionary.hpp"
29#include "classfile/vmSymbols.hpp"
30#include "gc/shared/collectedHeap.inline.hpp"
31#include "memory/oopFactory.hpp"
32#include "memory/resourceArea.hpp"
33#include "memory/universe.inline.hpp"
34#include "oops/instanceKlass.hpp"
35#include "oops/instanceOop.hpp"
36#include "oops/objArrayOop.hpp"
37#include "oops/oop.inline.hpp"
38
39
40typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) {
41  int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str);
42  typeArrayOop result = new_charArray(length, CHECK_NULL);
43  if (length > 0) {
44    UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length);
45  }
46  return result;
47}
48
49typeArrayOop oopFactory::new_tenured_charArray(int length, TRAPS) {
50  return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD);
51}
52
53typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) {
54  Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
55  TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
56  typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
57  return result;
58}
59
60// Create a Java array that points to Symbol.
61// As far as Java code is concerned, a Symbol array is either an array of
62// int or long depending on pointer size.  Only stack trace elements in Throwable use
63// this.  They cast Symbol* into this type.
64typeArrayOop oopFactory::new_symbolArray(int length, TRAPS) {
65  BasicType type = LP64_ONLY(T_LONG) NOT_LP64(T_INT);
66  Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
67  TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
68  typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
69  return result;
70}
71
72typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
73  Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
74  TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
75  typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD);
76  return result;
77}
78
79
80objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
81  assert(klass->is_klass(), "must be instance class");
82  if (klass->is_array_klass()) {
83    return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD);
84  } else {
85    return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD);
86  }
87}
88
89objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) {
90  objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle()));
91  return objArrayHandle(THREAD, obj);
92}
93
94typeArrayHandle oopFactory::new_byteArray_handle(int length, TRAPS) {
95  typeArrayOop obj = new_byteArray(length, CHECK_(typeArrayHandle()));
96  return typeArrayHandle(THREAD, obj);
97}
98