1 /*
2 * Copyright (c) 1997, 2011, 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_interface/collectedHeap.inline.hpp"
31 #include "memory/oopFactory.hpp"
32 #include "memory/resourceArea.hpp"
33 #include "memory/universe.inline.hpp"
34 #include "oops/compiledICHolderKlass.hpp"
35 #include "oops/constMethodKlass.hpp"
36 #include "oops/constantPoolKlass.hpp"
37 #include "oops/cpCacheKlass.hpp"
38 #include "oops/instanceKlass.hpp"
39 #include "oops/instanceKlassKlass.hpp"
40 #include "oops/instanceOop.hpp"
41 #include "oops/klassKlass.hpp"
42 #include "oops/klassOop.hpp"
43 #include "oops/methodDataKlass.hpp"
44 #include "oops/methodKlass.hpp"
45 #include "oops/objArrayOop.hpp"
46 #include "oops/oop.inline.hpp"
47
48
49 typeArrayOop oopFactory::new_charArray(const char* utf8_str, TRAPS) {
50 int length = utf8_str == NULL ? 0 : UTF8::unicode_length(utf8_str);
51 typeArrayOop result = new_charArray(length, CHECK_NULL);
52 if (length > 0) {
53 UTF8::convert_to_unicode(utf8_str, result->char_at_addr(0), length);
54 }
55 return result;
56 }
57
58 typeArrayOop oopFactory::new_permanent_charArray(int length, TRAPS) {
59 return typeArrayKlass::cast(Universe::charArrayKlassObj())->allocate_permanent(length, THREAD);
60 }
61
62 typeArrayOop oopFactory::new_permanent_byteArray(int length, TRAPS) {
63 return typeArrayKlass::cast(Universe::byteArrayKlassObj())->allocate_permanent(length, THREAD);
64 }
65
66
67 typeArrayOop oopFactory::new_permanent_shortArray(int length, TRAPS) {
68 return typeArrayKlass::cast(Universe::shortArrayKlassObj())->allocate_permanent(length, THREAD);
69 }
70
71
72 typeArrayOop oopFactory::new_permanent_intArray(int length, TRAPS) {
73 return typeArrayKlass::cast(Universe::intArrayKlassObj())->allocate_permanent(length, THREAD);
74 }
75
76
77 typeArrayOop oopFactory::new_typeArray(BasicType type, int length, TRAPS) {
78 klassOop type_asKlassOop = Universe::typeArrayKlassObj(type);
79 typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop);
80 typeArrayOop result = type_asArrayKlass->allocate_common(length, true, THREAD);
81 return result;
82 }
83
84 typeArrayOop oopFactory::new_typeArray_nozero(BasicType type, int length, TRAPS) {
85 klassOop type_asKlassOop = Universe::typeArrayKlassObj(type);
86 typeArrayKlass* type_asArrayKlass = typeArrayKlass::cast(type_asKlassOop);
87 typeArrayOop result = type_asArrayKlass->allocate_common(length, false, THREAD);
88 return result;
89 }
90
91
92 objArrayOop oopFactory::new_objArray(klassOop klass, int length, TRAPS) {
93 assert(klass->is_klass(), "must be instance class");
94 if (klass->klass_part()->oop_is_array()) {
95 return ((arrayKlass*)klass->klass_part())->allocate_arrayArray(1, length, THREAD);
96 } else {
97 assert (klass->klass_part()->oop_is_instance(), "new object array with klass not an instanceKlass");
98 return ((instanceKlass*)klass->klass_part())->allocate_objArray(1, length, THREAD);
99 }
100 }
101
102 objArrayOop oopFactory::new_system_objArray(int length, TRAPS) {
103 int size = objArrayOopDesc::object_size(length);
104 KlassHandle klass (THREAD, Universe::systemObjArrayKlassObj());
105 objArrayOop o = (objArrayOop)
106 Universe::heap()->permanent_array_allocate(klass, size, length, CHECK_NULL);
107 // initialization not needed, allocated cleared
108 return o;
109 }
110
111
112 constantPoolOop oopFactory::new_constantPool(int length,
113 bool is_conc_safe,
114 TRAPS) {
115 constantPoolKlass* ck = constantPoolKlass::cast(Universe::constantPoolKlassObj());
116 return ck->allocate(length, is_conc_safe, CHECK_NULL);
117 }
118
119
120 constantPoolCacheOop oopFactory::new_constantPoolCache(int length,
121 TRAPS) {
122 constantPoolCacheKlass* ck = constantPoolCacheKlass::cast(Universe::constantPoolCacheKlassObj());
123 return ck->allocate(length, CHECK_NULL);
124 }
125
126
127 klassOop oopFactory::new_instanceKlass(Symbol* name, int vtable_len, int itable_len,
128 int static_field_size,
129 unsigned int nonstatic_oop_map_count,
130 ReferenceType rt, TRAPS) {
131 instanceKlassKlass* ikk = instanceKlassKlass::cast(Universe::instanceKlassKlassObj());
132 return ikk->allocate_instance_klass(name, vtable_len, itable_len, static_field_size, nonstatic_oop_map_count, rt, CHECK_NULL);
133 }
134
135
136 constMethodOop oopFactory::new_constMethod(int byte_code_size,
137 int compressed_line_number_size,
138 int localvariable_table_length,
139 int checked_exceptions_length,
140 bool is_conc_safe,
141 TRAPS) {
142 klassOop cmkObj = Universe::constMethodKlassObj();
143 constMethodKlass* cmk = constMethodKlass::cast(cmkObj);
144 return cmk->allocate(byte_code_size, compressed_line_number_size,
145 localvariable_table_length, checked_exceptions_length,
146 is_conc_safe,
147 CHECK_NULL);
148 }
149
150
151 methodOop oopFactory::new_method(int byte_code_size, AccessFlags access_flags,
152 int compressed_line_number_size,
153 int localvariable_table_length,
154 int checked_exceptions_length,
155 bool is_conc_safe,
156 TRAPS) {
157 methodKlass* mk = methodKlass::cast(Universe::methodKlassObj());
158 assert(!access_flags.is_native() || byte_code_size == 0,
159 "native methods should not contain byte codes");
160 constMethodOop cm = new_constMethod(byte_code_size,
161 compressed_line_number_size,
162 localvariable_table_length,
163 checked_exceptions_length,
164 is_conc_safe, CHECK_NULL);
165 constMethodHandle rw(THREAD, cm);
166 return mk->allocate(rw, access_flags, CHECK_NULL);
167 }
168
169
170 methodDataOop oopFactory::new_methodData(methodHandle method, TRAPS) {
171 methodDataKlass* mdk = methodDataKlass::cast(Universe::methodDataKlassObj());
172 return mdk->allocate(method, CHECK_NULL);
173 }
174
175
176 compiledICHolderOop oopFactory::new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS) {
177 compiledICHolderKlass* ck = (compiledICHolderKlass*) Universe::compiledICHolderKlassObj()->klass_part();
178 compiledICHolderOop c = ck->allocate(CHECK_NULL);
179 c->set_holder_method(method());
180 c->set_holder_klass(klass());
181 return c;
182 }