1 /*
2 * Copyright (c) 1997, 2010, 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 #ifndef SHARE_VM_MEMORY_OOPFACTORY_HPP
26 #define SHARE_VM_MEMORY_OOPFACTORY_HPP
27
28 #include "classfile/symbolTable.hpp"
29 #include "classfile/systemDictionary.hpp"
30 #include "memory/universe.hpp"
31 #include "oops/klassOop.hpp"
32 #include "oops/objArrayKlass.hpp"
33 #include "oops/oop.hpp"
34 #include "oops/typeArrayKlass.hpp"
35 #include "utilities/growableArray.hpp"
36
37 // oopFactory is a class used for creating new objects.
38
39 class vframeArray;
40
41 class oopFactory: AllStatic {
42 public:
43 // Basic type leaf array allocation
44 static typeArrayOop new_boolArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::boolArrayKlassObj ())->allocate(length, CHECK_NULL); }
45 static typeArrayOop new_charArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::charArrayKlassObj ())->allocate(length, CHECK_NULL); }
46 static typeArrayOop new_singleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
47 static typeArrayOop new_doubleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
48 static typeArrayOop new_byteArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::byteArrayKlassObj ())->allocate(length, CHECK_NULL); }
49 static typeArrayOop new_shortArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
50 static typeArrayOop new_intArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, CHECK_NULL); }
51 static typeArrayOop new_longArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, CHECK_NULL); }
52
53 // create java.lang.Object[]
54 static objArrayOop new_objectArray(int length, TRAPS) {
55 return objArrayKlass::
56 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
57 }
58
59 static typeArrayOop new_charArray (const char* utf8_str, TRAPS);
60 static typeArrayOop new_permanent_charArray (int length, TRAPS);
61 static typeArrayOop new_permanent_byteArray (int length, TRAPS); // used for class file structures
62 static typeArrayOop new_permanent_shortArray(int length, TRAPS); // used for class file structures
63 static typeArrayOop new_permanent_intArray (int length, TRAPS); // used for class file structures
64
65 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
66
67 // Symbols
68 static symbolOop new_symbol(const char* utf8_buffer, int length, TRAPS) {
69 assert(utf8_buffer != NULL, "just checking");
70 return SymbolTable::lookup(utf8_buffer, length, CHECK_NULL);
71 }
72 static void new_symbols(constantPoolHandle cp, int names_count,
73 const char** name, int* lengths,
74 int* cp_indices, unsigned int* hashValues,
75 TRAPS) {
76 SymbolTable::add(cp, names_count, name, lengths, cp_indices,
77 hashValues, CHECK);
78 }
79
80 static symbolOop new_symbol(char* name, TRAPS) { return new_symbol(name, (int)strlen(name), CHECK_NULL); }
81 static symbolOop new_symbol(const char* name, TRAPS) { return new_symbol(name, (int)strlen(name), CHECK_NULL); }
82 static symbolOop new_symbol(symbolHandle sym, int begin, int end, TRAPS) {
83 assert(begin <= end && end <= sym->utf8_length(), "just checking");
84 return SymbolTable::lookup(sym, begin, end, CHECK_NULL);
85 }
86
87 // Create symbols as above but return a handle
88 static symbolHandle new_symbol_handle(const char* name, int length, TRAPS) {
89 symbolOop sym = new_symbol(name, length, THREAD);
90 return symbolHandle(THREAD, sym);
91 }
92 static symbolHandle new_symbol_handle(char* name, TRAPS) { return new_symbol_handle(name, (int)strlen(name), CHECK_(symbolHandle())); }
93 static symbolHandle new_symbol_handle(const char* name, TRAPS) { return new_symbol_handle(name, (int)strlen(name), CHECK_(symbolHandle())); }
94
95 // Constant pools
96 static constantPoolOop new_constantPool (int length,
97 bool is_conc_safe,
98 TRAPS);
99 static constantPoolCacheOop new_constantPoolCache(int length,
100 bool is_conc_safe,
101 TRAPS);
102
103 // Instance classes
104 static klassOop new_instanceKlass(int vtable_len, int itable_len,
105 int static_field_size,
106 unsigned int nonstatic_oop_map_count,
107 ReferenceType rt, TRAPS);
108
109 // Methods
110 private:
111 static constMethodOop new_constMethod(int byte_code_size,
112 int compressed_line_number_size,
113 int localvariable_table_length,
114 int checked_exceptions_length,
115 bool is_conc_safe,
116 TRAPS);
117 public:
118 // Set is_conc_safe for methods which cannot safely be
119 // processed by concurrent GC even after the return of
120 // the method.
121 static methodOop new_method(int byte_code_size,
122 AccessFlags access_flags,
123 int compressed_line_number_size,
124 int localvariable_table_length,
125 int checked_exceptions_length,
126 bool is_conc_safe,
127 TRAPS);
128
129 // Method Data containers
130 static methodDataOop new_methodData(methodHandle method, TRAPS);
131
132 // System object arrays
133 static objArrayOop new_system_objArray(int length, TRAPS);
134
135 // Regular object arrays
136 static objArrayOop new_objArray(klassOop klass, int length, TRAPS);
137
138 // For compiled ICs
139 static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS);
140 };
141
142 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP