Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/phases/AheadOfTimeVerificationPhase.java @ 18288:feef9ed5fc56
added HotSpotObjectConstant.isInternedString()
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Thu, 06 Nov 2014 13:57:43 +0100 |
parents | f7d45e2426d4 |
children | 0f4813e0b4a9 |
rev | line source |
---|---|
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
1 /* |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
17064
diff
changeset
|
2 * Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved. |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
4 * |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
5 * This code is free software; you can redistribute it and/or modify it |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
6 * under the terms of the GNU General Public License version 2 only, as |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
7 * published by the Free Software Foundation. |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
8 * |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
9 * This code is distributed in the hope that it will be useful, but WITHOUT |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
12 * version 2 for more details (a copy is included in the LICENSE file that |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
13 * accompanied this code). |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
14 * |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
15 * You should have received a copy of the GNU General Public License version |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
16 * 2 along with this work; if not, write to the Free Software Foundation, |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
18 * |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
21 * questions. |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
22 */ |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
23 package com.oracle.graal.hotspot.phases; |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
24 |
12655
2c4aa758ee18
made ConstantNodes external to a Graph (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents:
12573
diff
changeset
|
25 import static com.oracle.graal.nodes.ConstantNode.*; |
2c4aa758ee18
made ConstantNodes external to a Graph (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents:
12573
diff
changeset
|
26 |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
27 import com.oracle.graal.api.meta.*; |
15018
db4254246f9a
Remove Constant.forObject and Constant.asObject to improve compiler/VM separation
Christian Wimmer <christian.wimmer@oracle.com>
parents:
14776
diff
changeset
|
28 import com.oracle.graal.hotspot.meta.*; |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
29 import com.oracle.graal.nodes.*; |
15154
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
30 import com.oracle.graal.nodes.type.*; |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
31 import com.oracle.graal.phases.*; |
10937
87d9b5518065
Move VerifyUsageWithEquals phases into HighTier.
Roland Schatz <roland.schatz@oracle.com>
parents:
10421
diff
changeset
|
32 import com.oracle.graal.phases.tiers.*; |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
33 |
10074
e8fbc5fd3440
aot: add/fix some javadoc
Bernhard Urban <bernhard.urban@jku.at>
parents:
10062
diff
changeset
|
34 /** |
10421
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
35 * Checks for illegal object constants in a graph processed for AOT compilation. The only legal |
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
36 * object constants are {@linkplain String#intern() interned} strings as they will be installed in |
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
37 * the Class Data Sharing (CDS) space. |
14776
07dd21c7d533
revived use of FindBugs annotations
Doug Simon <doug.simon@oracle.com>
parents:
14633
diff
changeset
|
38 * |
10074
e8fbc5fd3440
aot: add/fix some javadoc
Bernhard Urban <bernhard.urban@jku.at>
parents:
10062
diff
changeset
|
39 * @see LoadJavaMirrorWithKlassPhase |
e8fbc5fd3440
aot: add/fix some javadoc
Bernhard Urban <bernhard.urban@jku.at>
parents:
10062
diff
changeset
|
40 */ |
10937
87d9b5518065
Move VerifyUsageWithEquals phases into HighTier.
Roland Schatz <roland.schatz@oracle.com>
parents:
10421
diff
changeset
|
41 public class AheadOfTimeVerificationPhase extends VerifyPhase<PhaseContext> { |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
42 |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
43 @Override |
10937
87d9b5518065
Move VerifyUsageWithEquals phases into HighTier.
Roland Schatz <roland.schatz@oracle.com>
parents:
10421
diff
changeset
|
44 protected boolean verify(StructuredGraph graph, PhaseContext context) { |
12655
2c4aa758ee18
made ConstantNodes external to a Graph (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents:
12573
diff
changeset
|
45 for (ConstantNode node : getConstantNodes(graph)) { |
17064
3c54a098455f
removed Node.recordsUsages()
Doug Simon <doug.simon@oracle.com>
parents:
16073
diff
changeset
|
46 if (isObject(node) && !isNullReference(node) && !isInternedString(node) && !isDirectMethodHandle(node) && !isBoundMethodHandle(node)) { |
3c54a098455f
removed Node.recordsUsages()
Doug Simon <doug.simon@oracle.com>
parents:
16073
diff
changeset
|
47 throw new VerificationError("illegal object constant: " + node); |
12573
6332050441eb
fixed tests that need to take into account ConstantNodes not recording their usages (GRAAL-508)
Doug Simon <doug.simon@oracle.com>
parents:
10937
diff
changeset
|
48 } |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
49 } |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
50 return true; |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
51 } |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
52 |
10421
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
53 private static boolean isObject(ConstantNode node) { |
14633
da2431cc1506
Rename ValueNode kind() to getKind().
Josef Eisl <josef.eisl@jku.at>
parents:
14166
diff
changeset
|
54 return node.getKind() == Kind.Object; |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
55 } |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
56 |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
57 private static boolean isNullReference(ConstantNode node) { |
18187
9619ba4daf4c
Rename Constant to JavaConstant.
Roland Schatz <roland.schatz@oracle.com>
parents:
17064
diff
changeset
|
58 return isObject(node) && node.asJavaConstant().isNull(); |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
59 } |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
60 |
15154
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
61 private static boolean isDirectMethodHandle(ConstantNode node) { |
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
62 if (!isObject(node)) { |
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
63 return false; |
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
64 } |
15260
61363577a184
Move static helpers from ObjectStamp to StampTool.
Josef Eisl <josef.eisl@jku.at>
parents:
15154
diff
changeset
|
65 return "Ljava/lang/invoke/DirectMethodHandle;".equals(StampTool.typeOrNull(node).getName()); |
15154
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
66 } |
d708c2fc5cba
Allow DirectMethodHandles references in immutable code
Gilles Duboscq <duboscq@ssw.jku.at>
parents:
15018
diff
changeset
|
67 |
15469
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
68 private static boolean isBoundMethodHandle(ConstantNode node) { |
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
69 if (!isObject(node)) { |
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
70 return false; |
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
71 } |
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
72 return StampTool.typeOrNull(node).getName().startsWith("Ljava/lang/invoke/BoundMethodHandle"); |
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
73 } |
5c05f3666abf
allow BoundMethodHandles in AheadOfTime verification
Lukas Stadler <lukas.stadler@oracle.com>
parents:
15260
diff
changeset
|
74 |
10421
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
75 private static boolean isInternedString(ConstantNode node) { |
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
76 if (!isObject(node)) { |
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
77 return false; |
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
78 } |
1669d8b5863a
aot verify: check if string constant is really a interned string; javadoc updates
Bernhard Urban <bernhard.urban@jku.at>
parents:
10074
diff
changeset
|
79 |
18288
feef9ed5fc56
added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents:
18262
diff
changeset
|
80 HotSpotObjectConstant c = (HotSpotObjectConstant) node.asConstant(); |
feef9ed5fc56
added HotSpotObjectConstant.isInternedString()
Doug Simon <doug.simon@oracle.com>
parents:
18262
diff
changeset
|
81 return c.isInternedString(); |
10015
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
82 } |
deb5bd841422
aot: add verification phase
Bernhard Urban <bernhard.urban@jku.at>
parents:
diff
changeset
|
83 } |