Mercurial > hg > graal-jvmci-8

annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/HotSpotMetaspaceConstantImpl.java @ 23393:1d4ce2d19e52

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
clean up and minimize JVMCI (JDK-8156835)
author Doug Simon <doug.simon@oracle.com>
date Thu, 12 May 2016 20:57:31 +0200
parents 19855d029fc0
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
1 /*
23322
f8178417d018 Expose SharedRuntime::throw_and_post_jvmti_exception to JVMCI compilers.
Roland Schatz <roland.schatz@oracle.com>
parents: 22672
diff changeset
2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
4 *
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
8 *
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
13 * accompanied this code).
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
14 *
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
18 *
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
21 * questions.
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
22 */
22672
1bbd4a7c274b Rename jdk.internal.jvmci to jdk.vm.ci
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22598
diff changeset
23 package jdk.vm.ci.hotspot;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
24
22569
ec96f33a101d updated imports to be explicit and added checkstyle rule to forbid * imports
Doug Simon <doug.simon@oracle.com>
parents: 22556
diff changeset
25 import java.util.Objects;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
26
22672
1bbd4a7c274b Rename jdk.internal.jvmci to jdk.vm.ci
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22598
diff changeset
27 import jdk.vm.ci.meta.Constant;
1bbd4a7c274b Rename jdk.internal.jvmci to jdk.vm.ci
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22598
diff changeset
28 import jdk.vm.ci.meta.VMConstant;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
29
23393
1d4ce2d19e52 clean up and minimize JVMCI (JDK-8156835)
Doug Simon <doug.simon@oracle.com>
parents: 23390
diff changeset
30 final class HotSpotMetaspaceConstantImpl implements HotSpotMetaspaceConstant, VMConstant {
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
31
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
32 static HotSpotMetaspaceConstantImpl forMetaspaceObject(MetaspaceWrapperObject metaspaceObject, boolean compressed) {
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
33 return new HotSpotMetaspaceConstantImpl(metaspaceObject, compressed);
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
34 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
35
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
36 static MetaspaceWrapperObject getMetaspaceObject(Constant constant) {
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
37 return ((HotSpotMetaspaceConstantImpl) constant).metaspaceObject;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
38 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
39
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
40 private final MetaspaceWrapperObject metaspaceObject;
18176
c2270ad35f57 Better construction of data section and data patches.
Roland Schatz <roland.schatz@oracle.com>
parents: 15909
diff changeset
41 private final boolean compressed;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
42
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
43 private HotSpotMetaspaceConstantImpl(MetaspaceWrapperObject metaspaceObject, boolean compressed) {
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
44 this.metaspaceObject = metaspaceObject;
18176
c2270ad35f57 Better construction of data section and data patches.
Roland Schatz <roland.schatz@oracle.com>
parents: 15909
diff changeset
45 this.compressed = compressed;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
46 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
47
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
48 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
49 public int hashCode() {
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
50 return System.identityHashCode(metaspaceObject) ^ (compressed ? 1 : 2);
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
51 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
52
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
53 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
54 public boolean equals(Object o) {
22556
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
55 if (o == this) {
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
56 return true;
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
57 }
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
58 if (!(o instanceof HotSpotMetaspaceConstantImpl)) {
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
59 return false;
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
60 }
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
61
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
62 HotSpotMetaspaceConstantImpl other = (HotSpotMetaspaceConstantImpl) o;
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
63 return Objects.equals(this.metaspaceObject, other.metaspaceObject) && this.compressed == other.compressed;
22556
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
64 }
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
65
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
66 @Override
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
67 public String toValueString() {
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
68 return String.format("meta{%s%s}", metaspaceObject, compressed ? ";compressed" : "");
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
69 }
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
70
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
71 @Override
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
72 public String toString() {
22556
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
73 return toValueString();
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
74 }
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
75
6821ef65ef4c HotSpotMetaspaceConstantImpl is not a PrimitiveConstant.
Roland Schatz <roland.schatz@oracle.com>
parents: 22536
diff changeset
76 public boolean isDefaultForKind() {
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
77 return false;
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
78 }
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
79
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
80 public boolean isCompressed() {
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
81 return compressed;
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
82 }
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
83
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
84 public Constant compress() {
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
85 assert !isCompressed();
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
86 HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(metaspaceObject, true);
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
87 assert res.isCompressed();
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
88 return res;
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
89 }
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
90
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
91 public Constant uncompress() {
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
92 assert isCompressed();
22590
3f6488b29c1a Remove rawValue from HotSpotMetaspaceConstantImpl, patch raw pointer at code installation time.
Roland Schatz <roland.schatz@oracle.com>
parents: 22569
diff changeset
93 HotSpotMetaspaceConstantImpl res = HotSpotMetaspaceConstantImpl.forMetaspaceObject(metaspaceObject, false);
18266
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
94 assert !res.isCompressed();
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
95 return res;
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
96 }
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
97
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
98 public HotSpotResolvedObjectType asResolvedJavaType() {
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
99 if (metaspaceObject instanceof HotSpotResolvedObjectType) {
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
100 return (HotSpotResolvedObjectType) metaspaceObject;
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
101 }
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
102 return null;
ae181ec869c5 converted HotSpotMetaspaceConstant to an interface
Doug Simon <doug.simon@oracle.com>
parents: 18187
diff changeset
103 }
18541
99bfecda9d2e expose raw metaspace value via HotSpotMetaspaceConstant
Doug Simon <doug.simon@oracle.com>
parents: 18530
diff changeset
104
22517
0915f5bfdfaa Adopt some jvmci-9 source changes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22054
diff changeset
105 public HotSpotResolvedJavaMethod asResolvedJavaMethod() {
0915f5bfdfaa Adopt some jvmci-9 source changes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22054
diff changeset
106 if (metaspaceObject instanceof HotSpotResolvedJavaMethod) {
0915f5bfdfaa Adopt some jvmci-9 source changes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22054
diff changeset
107 return (HotSpotResolvedJavaMethod) metaspaceObject;
0915f5bfdfaa Adopt some jvmci-9 source changes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22054
diff changeset
108 }
0915f5bfdfaa Adopt some jvmci-9 source changes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22054
diff changeset
109 return null;
0915f5bfdfaa Adopt some jvmci-9 source changes
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 22054
diff changeset
110 }
15018
db4254246f9a Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
diff changeset
111 }