1/*
2 * Copyright (c) 1997, 2019, 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.hpp"
34#include "oops/instanceKlass.hpp"
35#include "oops/instanceOop.hpp"
36#include "oops/objArrayKlass.hpp"
37#include "oops/objArrayOop.hpp"
38#include "oops/oop.inline.hpp"
39#include "oops/typeArrayKlass.hpp"
40#include "oops/typeArrayOop.inline.hpp"
41#include "runtime/handles.inline.hpp"
42#include "utilities/utf8.hpp"
43
44typeArrayOop oopFactory::new_boolArray(int length, TRAPS) {
45 return TypeArrayKlass::cast(Universe::boolArrayKlassObj())->allocate(length, THREAD);
46}
47
48typeArrayOop oopFactory::new_charArray(int length, TRAPS) {
49 return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD);
50}
51
52typeArrayOop oopFactory::new_floatArray(int length, TRAPS) {
53 return TypeArrayKlass::cast(Universe::floatArrayKlassObj())->allocate(length, THREAD);
54}
55
56typeArrayOop oopFactory::new_doubleArray(int length, TRAPS) {
57 return TypeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, THREAD);
58}
59
60typeArrayOop oopFactory::new_byteArray(int length, TRAPS) {
61 return TypeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate(length, THREAD);
62}
63
64typeArrayOop oopFactory::new_shortArray(int length, TRAPS) {
65 return TypeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate(length, THREAD);
66}
67
68typeArrayOop oopFactory::new_intArray(int length, TRAPS) {
69 return TypeArrayKlass::cast(Universe::intArrayKlassObj())->allocate(length, THREAD);
70}
71
72typeArrayOop oopFactory::new_longArray(int length, TRAPS) {
73 return TypeArrayKlass::cast(Universe::longArrayKlassObj())->allocate(length, THREAD);
74}
75
76// create java.lang.Object[]
77objArrayOop oopFactory::new_objectArray(int length, TRAPS) {
78 assert(Universe::objectArrayKlassObj() != NULL, "Too early?");
79 return ObjArrayKlass::cast(Universe::objectArrayKlassObj())->allocate(length, THREAD);
80}
81
82typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) {
83 int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str);
84 typeArrayOop result = new_charArray(length, CHECK_NULL);
85 if (length > 0) {
86 UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length);
87 }
88 return result;
89}
90
91typeArrayOop oopFactory::new_tenured_charArray(int length, TRAPS) {
92 return TypeArrayKlass::cast(Universe::charArrayKlassObj())->allocate(length, THREAD);
93}
94
95typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) {
96 Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
97 TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
98 typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
99 return result;
100}
101
102// Create a Java array that points to Symbol.
103// As far as Java code is concerned, a Symbol array is either an array of
104// int or long depending on pointer size. Only stack trace elements in Throwable use
105// this. They cast Symbol* into this type.
106typeArrayOop oopFactory::new_symbolArray(int length, TRAPS) {
107 BasicType type = LP64_ONLY(T_LONG) NOT_LP64(T_INT);
108 Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
109 TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
110 typeArrayOop result = type_asArrayKlass->allocate(length, THREAD);
111 return result;
112}
113
114typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
115 Klass* type_asKlassOop = Universe::typeArrayKlassObj(type);
116 TypeArrayKlass* type_asArrayKlass = TypeArrayKlass::cast(type_asKlassOop);
117 typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD);
118 return result;
119}
120
121
122objArrayOop oopFactory::new_objArray(Klass* klass, int length, TRAPS) {
123 assert(klass->is_klass(), "must be instance class");
124 if (klass->is_array_klass()) {
125 return ArrayKlass::cast(klass)->allocate_arrayArray(1, length, THREAD);
126 } else {
127 return InstanceKlass::cast(klass)->allocate_objArray(1, length, THREAD);
128 }
129}
130
131objArrayHandle oopFactory::new_objArray_handle(Klass* klass, int length, TRAPS) {
132 objArrayOop obj = new_objArray(klass, length, CHECK_(objArrayHandle()));
133 return objArrayHandle(THREAD, obj);
134}
135
136typeArrayHandle oopFactory::new_byteArray_handle(int length, TRAPS) {
137 typeArrayOop obj = new_byteArray(length, CHECK_(typeArrayHandle()));
138 return typeArrayHandle(THREAD, obj);
139}
140