Mercurial > hg > truffle
annotate test/runtime/8003720/Asmator.java @ 10194:cbd4ce58f1f3
Merge
author | mgerdin |
---|---|
date | Thu, 02 May 2013 16:41:09 -0700 |
parents | dad48145e775 |
children |
rev | line source |
---|---|
7186 | 1 /* |
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. | |
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 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 import jdk.internal.org.objectweb.asm.*; | |
7179
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
26 |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
27 class Asmator { |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
28 static byte[] fixup(byte[] buf) throws java.io.IOException { |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
29 ClassReader cr = new ClassReader(buf); |
7186 | 30 ClassWriter cw = new ClassWriter(0); |
31 ClassVisitor cv = new ClassVisitor(Opcodes.ASM4, cw) { | |
7179
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
32 public MethodVisitor visitMethod( |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
33 final int access, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
34 final String name, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
35 final String desc, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
36 final String signature, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
37 final String[] exceptions) |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
38 { |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
39 MethodVisitor mv = super.visitMethod(access, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
40 name, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
41 desc, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
42 signature, |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
43 exceptions); |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
44 if (mv == null) return null; |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
45 if (name.equals("callme")) { |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
46 // make receiver go dead! |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
47 mv.visitInsn(Opcodes.ACONST_NULL); |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
48 mv.visitVarInsn(Opcodes.ASTORE, 0); |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
49 } |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
50 return mv; |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
51 } |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
52 }; |
7186 | 53 cr.accept(cv, 0); |
7179
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
54 return cw.toByteArray(); |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
55 } |
d0aa87f04bd5
8003720: NPG: Method in interpreter stack frame can be deallocated
stefank
parents:
diff
changeset
|
56 } |