annotate src/share/vm/ci/ciObjArrayKlass.hpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents f95d63e2154a
children d8ce2825b193
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
a61af66fc99e Initial load
duke
parents:
diff changeset
1 /*
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 1972
diff changeset
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load
duke
parents:
diff changeset
4 *
a61af66fc99e Initial load
duke
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load
duke
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load
duke
parents:
diff changeset
7 * published by the Free Software Foundation.
a61af66fc99e Initial load
duke
parents:
diff changeset
8 *
a61af66fc99e Initial load
duke
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load
duke
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load
duke
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load
duke
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load
duke
parents:
diff changeset
13 * accompanied this code).
a61af66fc99e Initial load
duke
parents:
diff changeset
14 *
a61af66fc99e Initial load
duke
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load
duke
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load
duke
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load
duke
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 0
diff changeset
21 * questions.
0
a61af66fc99e Initial load
duke
parents:
diff changeset
22 *
a61af66fc99e Initial load
duke
parents:
diff changeset
23 */
a61af66fc99e Initial load
duke
parents:
diff changeset
24
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
25 #ifndef SHARE_VM_CI_CIOBJARRAYKLASS_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
26 #define SHARE_VM_CI_CIOBJARRAYKLASS_HPP
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
27
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
28 #include "ci/ciArrayKlass.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
29
0
a61af66fc99e Initial load
duke
parents:
diff changeset
30 // ciObjArrayKlass
a61af66fc99e Initial load
duke
parents:
diff changeset
31 //
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 1972
diff changeset
32 // This class represents a Klass* in the HotSpot virtual machine
0
a61af66fc99e Initial load
duke
parents:
diff changeset
33 // whose Klass part is an objArrayKlass.
a61af66fc99e Initial load
duke
parents:
diff changeset
34 class ciObjArrayKlass : public ciArrayKlass {
a61af66fc99e Initial load
duke
parents:
diff changeset
35 CI_PACKAGE_ACCESS
a61af66fc99e Initial load
duke
parents:
diff changeset
36 friend class ciEnv;
a61af66fc99e Initial load
duke
parents:
diff changeset
37
a61af66fc99e Initial load
duke
parents:
diff changeset
38 private:
a61af66fc99e Initial load
duke
parents:
diff changeset
39 ciKlass* _element_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
40 ciKlass* _base_element_klass;
a61af66fc99e Initial load
duke
parents:
diff changeset
41
a61af66fc99e Initial load
duke
parents:
diff changeset
42 protected:
a61af66fc99e Initial load
duke
parents:
diff changeset
43 ciObjArrayKlass(KlassHandle h_k);
a61af66fc99e Initial load
duke
parents:
diff changeset
44 ciObjArrayKlass(ciSymbol* array_name,
a61af66fc99e Initial load
duke
parents:
diff changeset
45 ciKlass* base_element_klass,
a61af66fc99e Initial load
duke
parents:
diff changeset
46 int dimension);
a61af66fc99e Initial load
duke
parents:
diff changeset
47
a61af66fc99e Initial load
duke
parents:
diff changeset
48 objArrayKlass* get_objArrayKlass() {
a61af66fc99e Initial load
duke
parents:
diff changeset
49 return (objArrayKlass*)get_Klass();
a61af66fc99e Initial load
duke
parents:
diff changeset
50 }
a61af66fc99e Initial load
duke
parents:
diff changeset
51
a61af66fc99e Initial load
duke
parents:
diff changeset
52 static ciObjArrayKlass* make_impl(ciKlass* element_klass);
a61af66fc99e Initial load
duke
parents:
diff changeset
53 static ciSymbol* construct_array_name(ciSymbol* element_name,
a61af66fc99e Initial load
duke
parents:
diff changeset
54 int dimension);
a61af66fc99e Initial load
duke
parents:
diff changeset
55
a61af66fc99e Initial load
duke
parents:
diff changeset
56 const char* type_string() { return "ciObjArrayKlass"; }
a61af66fc99e Initial load
duke
parents:
diff changeset
57
a61af66fc99e Initial load
duke
parents:
diff changeset
58 oop loader() { return _base_element_klass->loader(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
59 jobject loader_handle() { return _base_element_klass->loader_handle(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
60
a61af66fc99e Initial load
duke
parents:
diff changeset
61 oop protection_domain() { return _base_element_klass->protection_domain(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
62 jobject protection_domain_handle() { return _base_element_klass->protection_domain_handle(); }
a61af66fc99e Initial load
duke
parents:
diff changeset
63
a61af66fc99e Initial load
duke
parents:
diff changeset
64
a61af66fc99e Initial load
duke
parents:
diff changeset
65 public:
a61af66fc99e Initial load
duke
parents:
diff changeset
66 // The one-level type of the array elements.
a61af66fc99e Initial load
duke
parents:
diff changeset
67 ciKlass* element_klass();
a61af66fc99e Initial load
duke
parents:
diff changeset
68
a61af66fc99e Initial load
duke
parents:
diff changeset
69 // The innermost type of the array elements.
a61af66fc99e Initial load
duke
parents:
diff changeset
70 ciKlass* base_element_klass() { return _base_element_klass; }
a61af66fc99e Initial load
duke
parents:
diff changeset
71
a61af66fc99e Initial load
duke
parents:
diff changeset
72 // What kind of ciObject is this?
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 1972
diff changeset
73 bool is_obj_array_klass() const { return true; }
0
a61af66fc99e Initial load
duke
parents:
diff changeset
74
a61af66fc99e Initial load
duke
parents:
diff changeset
75 static ciObjArrayKlass* make(ciKlass* element_klass);
a61af66fc99e Initial load
duke
parents:
diff changeset
76 };
1972
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
77
f95d63e2154a 6989984: Use standard include model for Hospot
stefank
parents: 1552
diff changeset
78 #endif // SHARE_VM_CI_CIOBJARRAYKLASS_HPP