Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.hotspot/src/jdk/vm/ci/hotspot/VMField.java @ 23679:b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 15 Jun 2016 00:00:41 +0200 |
parents | |
children | 1439a6614a10 |
rev | line source |
---|---|
23679
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
1 /* |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
4 * |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
8 * |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
13 * accompanied this code). |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
14 * |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
18 * |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
21 * questions. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
22 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
23 package jdk.vm.ci.hotspot; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
24 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
25 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
26 * Describes a C++ field exposed via {@link HotSpotVMConfigAccess}. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
27 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
28 public final class VMField { |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
29 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
30 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
31 * Fully qualified name of the represented field (e.g., "Klass::_name"). |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
32 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
33 public final String name; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
34 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
35 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
36 * The represented field's type (e.g., "Symbol*"). This may be {@code null}. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
37 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
38 public final String type; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
39 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
40 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
41 * If represented field is non-static, this is its offset within the containing structure. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
42 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
43 public final long offset; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
44 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
45 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
46 * If represented field is static, this is its address. Otherwise, this field is 0. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
47 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
48 public final long address; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
49 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
50 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
51 * Value of the field represented as a boxed long; only valid for non-oop static fields. This |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
52 * value is only captured once, during JVMCI initialization. If {@link #type} cannot be |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
53 * meaningfully (e.g., a struct) or safely (e.g., an oop) expressed as a boxed long, this is |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
54 * {@code null}. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
55 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
56 public final Long value; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
57 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
58 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
59 * Determines if the represented field is static. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
60 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
61 public boolean isStatic() { |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
62 return address != 0; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
63 } |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
64 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
65 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
66 * Creates a description of a non-static field. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
67 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
68 public VMField(String name, String type, long offset) { |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
69 this.name = name; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
70 this.type = type; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
71 this.offset = offset; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
72 this.address = 0; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
73 this.value = null; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
74 } |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
75 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
76 /** |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
77 * Creates a description of a static field. |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
78 */ |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
79 public VMField(String name, String type, long address, Long value) { |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
80 this.name = name; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
81 this.type = type; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
82 this.offset = 0; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
83 this.address = address; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
84 this.value = value; |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
85 } |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
86 |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
87 @Override |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
88 public String toString() { |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
89 String val = value == null ? "null" : String.format("0x%x", value); |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
90 return String.format("Field[name=%s, type=%s, offset=%d, address=0x%x, value=%s]", name, type, offset, address, val); |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
91 } |
b5557b757040
fix HotSpotVMConfig startup performance (JDK-8159167)
Doug Simon <doug.simon@oracle.com>
parents:
diff
changeset
|
92 } |