Mercurial > hg > truffle

annotate graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/HeapAccess.java @ 18443:1c92d437179b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FrameMapBuilder: move into package.
author Josef Eisl <josef.eisl@jku.at>
date Mon, 17 Nov 2014 16:41:44 +0100
parents b2c18c498f13
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9850
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
1 /*
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
4 *
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
7 * published by the Free Software Foundation.
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
8 *
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
13 * accompanied this code).
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
14 *
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
18 *
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
20 * or visit www.oracle.com if you need additional information or have any
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
21 * questions.
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
22 */
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
23 package com.oracle.graal.nodes;
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
24
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
25 /**
10822
78a4df8953a1 Javadoc fixes
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10821
diff changeset
26 * Encapsulates properties of a node describing how it accesses the heap.
9850
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
27 */
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
28 public interface HeapAccess {
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
29
10822
78a4df8953a1 Javadoc fixes
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10821
diff changeset
30 /**
10828
b05e1ff3aac0 Rename WriteBarrierType to BarrierType
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10822
diff changeset
31 * The types of (write/read) barriers attached to stores.
9850
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
32 */
10828
b05e1ff3aac0 Rename WriteBarrierType to BarrierType
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10822
diff changeset
33 public enum BarrierType {
10822
78a4df8953a1 Javadoc fixes
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10821
diff changeset
34 /**
10828
b05e1ff3aac0 Rename WriteBarrierType to BarrierType
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10822
diff changeset
35 * Primitive stores which do not necessitate barriers.
9850
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
36 */
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
37 NONE,
10822
78a4df8953a1 Javadoc fixes
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10821
diff changeset
38 /**
10828
b05e1ff3aac0 Rename WriteBarrierType to BarrierType
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10822
diff changeset
39 * Array object stores which necessitate precise barriers.
9850
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
40 */
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
41 PRECISE,
10822
78a4df8953a1 Javadoc fixes
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10821
diff changeset
42 /**
10828
b05e1ff3aac0 Rename WriteBarrierType to BarrierType
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10822
diff changeset
43 * Field object stores which necessitate imprecise barriers.
9850
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
44 */
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
45 IMPRECISE
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
46 }
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
47
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
48 /**
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
49 * Gets the write barrier type for that particular access.
6e0c6526334b Add HeapInfo interface for write barriers and compressed oops support
Christos Kotselidis <christos.kotselidis@oracle.com>
parents:
diff changeset
50 */
10828
b05e1ff3aac0 Rename WriteBarrierType to BarrierType
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 10822
diff changeset
51 BarrierType getBarrierType();
9852
ed56953c514b Fix Checkstyle Error
Christos Kotselidis <christos.kotselidis@oracle.com>
parents: 9850
diff changeset
52 }