Mercurial > hg > truffle
annotate src/share/vm/oops/compiledICHolderOop.hpp @ 2831:f072013daba9
Added lookup method.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Tue, 31 May 2011 11:32:48 +0200 |
parents | f95d63e2154a |
children |
rev | line source |
---|---|
0 | 1 /* |
1972 | 2 * Copyright (c) 1998, 2010, 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 * | |
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 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP |
26 #define SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP | |
27 | |
28 #include "oops/oop.hpp" | |
29 | |
0 | 30 // A compiledICHolderOop is a helper object for the inline cache implementation. |
31 // It holds an intermediate value (method+klass pair) used when converting from | |
32 // compiled to an interpreted call. | |
33 // | |
34 // compiledICHolderOops are always allocated permanent (to avoid traversing the | |
35 // codeCache during scavenge). | |
36 | |
37 | |
38 class compiledICHolderOopDesc : public oopDesc { | |
39 friend class VMStructs; | |
40 private: | |
41 methodOop _holder_method; | |
42 klassOop _holder_klass; // to avoid name conflict with oopDesc::_klass | |
43 public: | |
44 // accessors | |
45 methodOop holder_method() const { return _holder_method; } | |
46 klassOop holder_klass() const { return _holder_klass; } | |
47 | |
48 void set_holder_method(methodOop m) { oop_store_without_check((oop*)&_holder_method, (oop)m); } | |
49 void set_holder_klass(klassOop k) { oop_store_without_check((oop*)&_holder_klass, (oop)k); } | |
50 | |
51 static int header_size() { return sizeof(compiledICHolderOopDesc)/HeapWordSize; } | |
52 static int object_size() { return align_object_size(header_size()); } | |
53 | |
54 // interpreter support (offsets in bytes) | |
55 static int holder_method_offset() { return offset_of(compiledICHolderOopDesc, _holder_method); } | |
56 static int holder_klass_offset() { return offset_of(compiledICHolderOopDesc, _holder_klass); } | |
57 | |
58 // GC support | |
59 oop* adr_holder_method() const { return (oop*)&_holder_method; } | |
60 oop* adr_holder_klass() const { return (oop*)&_holder_klass; } | |
61 }; | |
1972 | 62 |
63 #endif // SHARE_VM_OOPS_COMPILEDICHOLDEROOP_HPP |