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annotate src/share/vm/memory/oopFactory.hpp @ 5251:467de393651a
optimization: frame prologue & epilogue ommitted for methods with no spills, no callee-saved registers, no incoming stack args and no debug info
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 18 Apr 2012 23:39:07 +0200 |
parents | a92cdbac8b9e |
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0 | 1 /* |
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2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 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 | |
0 | 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); | |
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66 static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS); |
0 | 67 |
68 // Constant pools | |
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69 static constantPoolOop new_constantPool (int length, |
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70 bool is_conc_safe, |
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71 TRAPS); |
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72 static constantPoolCacheOop new_constantPoolCache(int length, |
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73 TRAPS); |
0 | 74 |
75 // Instance classes | |
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76 static klassOop new_instanceKlass(Symbol* name, |
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77 int vtable_len, int itable_len, |
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78 int static_field_size, |
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79 unsigned int nonstatic_oop_map_count, |
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80 ReferenceType rt, TRAPS); |
0 | 81 |
82 // Methods | |
83 private: | |
84 static constMethodOop new_constMethod(int byte_code_size, | |
85 int compressed_line_number_size, | |
86 int localvariable_table_length, | |
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87 int checked_exceptions_length, |
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88 bool is_conc_safe, |
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89 TRAPS); |
0 | 90 public: |
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91 // Set is_conc_safe for methods which cannot safely be |
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92 // processed by concurrent GC even after the return of |
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93 // the method. |
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94 static methodOop new_method(int byte_code_size, |
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95 AccessFlags access_flags, |
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96 int compressed_line_number_size, |
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97 int localvariable_table_length, |
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98 int checked_exceptions_length, |
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99 bool is_conc_safe, |
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100 TRAPS); |
0 | 101 |
102 // Method Data containers | |
103 static methodDataOop new_methodData(methodHandle method, TRAPS); | |
104 | |
105 // System object arrays | |
106 static objArrayOop new_system_objArray(int length, TRAPS); | |
107 | |
108 // Regular object arrays | |
109 static objArrayOop new_objArray(klassOop klass, int length, TRAPS); | |
110 | |
111 // For compiled ICs | |
112 static compiledICHolderOop new_compiledICHolder(methodHandle method, KlassHandle klass, TRAPS); | |
113 }; | |
1972 | 114 |
115 #endif // SHARE_VM_MEMORY_OOPFACTORY_HPP |