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comparison src/share/vm/memory/oopFactory.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 // oopFactory is a class used for creating new objects.
26
27 class vframeArray;
28
29 class oopFactory: AllStatic {
30 public:
31 // Basic type leaf array allocation
32 static typeArrayOop new_boolArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::boolArrayKlassObj ())->allocate(length, CHECK_NULL); }
33 static typeArrayOop new_charArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::charArrayKlassObj ())->allocate(length, CHECK_NULL); }
34 static typeArrayOop new_singleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::singleArrayKlassObj())->allocate(length, CHECK_NULL); }
35 static typeArrayOop new_doubleArray(int length, TRAPS) { return typeArrayKlass::cast(Universe::doubleArrayKlassObj())->allocate(length, CHECK_NULL); }
36 static typeArrayOop new_byteArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::byteArrayKlassObj ())->allocate(length, CHECK_NULL); }
37 static typeArrayOop new_shortArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::shortArrayKlassObj ())->allocate(length, CHECK_NULL); }
38 static typeArrayOop new_intArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::intArrayKlassObj ())->allocate(length, CHECK_NULL); }
39 static typeArrayOop new_longArray (int length, TRAPS) { return typeArrayKlass::cast(Universe::longArrayKlassObj ())->allocate(length, CHECK_NULL); }
40
41 // create java.lang.Object[]
42 static objArrayOop new_objectArray(int length, TRAPS) {
43 return objArrayKlass::
44 cast(Universe::objectArrayKlassObj())->allocate(length, CHECK_NULL);
45 }
46
47 static typeArrayOop new_charArray (const char* utf8_str, TRAPS);
48 static typeArrayOop new_permanent_charArray (int length, TRAPS);
49 static typeArrayOop new_permanent_byteArray (int length, TRAPS); // used for class file structures
50 static typeArrayOop new_permanent_shortArray(int length, TRAPS); // used for class file structures
51 static typeArrayOop new_permanent_intArray (int length, TRAPS); // used for class file structures
52
53 static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
54
55 // Symbols
56 static symbolOop new_symbol(const char* utf8_buffer, int length, TRAPS) {
57 assert(utf8_buffer != NULL, "just checking");
58 return SymbolTable::lookup(utf8_buffer, length, CHECK_NULL);
59 }
60 static void new_symbols(constantPoolHandle cp, int names_count,
61 const char** name, int* lengths,
62 int* cp_indices, unsigned int* hashValues,
63 TRAPS) {
64 SymbolTable::add(cp, names_count, name, lengths, cp_indices,
65 hashValues, CHECK);
66 }
67
68 static symbolOop new_symbol(char* name, TRAPS) { return new_symbol(name, (int)strlen(name), CHECK_NULL); }
69 static symbolOop new_symbol(const char* name, TRAPS) { return new_symbol(name, (int)strlen(name), CHECK_NULL); }
70 static symbolOop new_symbol(symbolHandle sym, int begin, int end, TRAPS) {
71 assert(begin <= end && end <= sym->utf8_length(), "just checking");
72 return SymbolTable::lookup(sym, begin, end, CHECK_NULL);
73 }
74
75 // Create symbols as above but return a handle
76 static symbolHandle new_symbol_handle(const char* name, int length, TRAPS) {
77 symbolOop sym = new_symbol(name, length, THREAD);
78 return symbolHandle(THREAD, sym);
79 }
80 static symbolHandle new_symbol_handle(char* name, TRAPS) { return new_symbol_handle(name, (int)strlen(name), CHECK_(symbolHandle())); }
81 static symbolHandle new_symbol_handle(const char* name, TRAPS) { return new_symbol_handle(name, (int)strlen(name), CHECK_(symbolHandle())); }
82
83 // Constant pools
84 static constantPoolOop new_constantPool (int length, TRAPS);
85 static constantPoolCacheOop new_constantPoolCache(int length, TRAPS);
86
87 // Instance classes
88 static klassOop new_instanceKlass(int vtable_len, int itable_len, int static_field_size,
89 int nonstatic_oop_map_size, ReferenceType rt, TRAPS);
90
91 // Methods
92 private:
93 static constMethodOop new_constMethod(int byte_code_size,
94 int compressed_line_number_size,
95 int localvariable_table_length,
96 int checked_exceptions_length, TRAPS);
97 public:
98 static methodOop new_method(int byte_code_size, AccessFlags access_flags, int compressed_line_number_size, int localvariable_table_length, int checked_exceptions_length, TRAPS);
99
100 // Method Data containers
101 static methodDataOop new_methodData(methodHandle method, TRAPS);
102
103 // System object arrays
104 static objArrayOop new_system_objArray(int length, TRAPS);
105
106 // Regular object arrays
107 static objArrayOop new_objArray(klassOop klass, int length, TRAPS);
108
109 // For compiled ICs
110 static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS);
111 };