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comparison test/runtime/classFileParserBug/emptynumbootstrapmethods2.jcod @ 17934:366c198c896d

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8041918: BootstrapMethods attribute cannot be empty. Summary: Allow a BootstrapMethods attribute that contains an empty bootstrap_methods table where num_bootstrap_methods is equal to zero. Reviewed-by: coleenp, hseigel
author lfoltan
date Thu, 15 May 2014 09:25:27 -0400
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17933:124e98cd679a 17934:366c198c896d
1 /*
2 * Copyright (c) 2014, 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 * This test contains a BootstrapMethods attribute with an empty
26 * bootstrap_methods table. This yields a BootstrapMethods
27 * attribute length of 2 and should not cause a
28 * java.lang.ClassFormatError to be thrown. To ensure that an empty
29 * bootstrap_methods table is parsed correctly, another attribute,
30 * AnnotationDefault, follows the BootstrapMethods attribute in
31 * the attribute table.
32 */
33
34 class emptynumbootstrapmethods2 {
35 0xCAFEBABE;
36 0; // minor version
37 51; // version
38 [14] { // Constant Pool
39 ; // first element is empty
40 class #2; // #1 at 0x0A
41 Utf8 "emptynumbootstrapmethods2"; // #2 at 0x0D
42 class #4; // #3 at 0x1F
43 Utf8 "java/lang/Object"; // #4 at 0x22
44 MethodHandle 5b #9; // #5 at 0x35
45 NameAndType #7 #8; // #6 at 0x39
46 Utf8 "equals"; // #7 at 0x3E
47 Utf8 "(Ljava/lang/Object;)Z"; // #8 at 0x47
48 Method #3 #6; // #9 at 0x5F
49 Utf8 "equalsx"; // #10 at 0x3E
50 Utf8 "BootstrapMethods"; // #11 at 0x69
51 Utf8 "AnnotationDefault"; // #12
52 Utf8 "LAnnotationDefaultI;"; // #13
53 } // Constant Pool
54
55 0x0001; // access
56 #1;// this_cpx
57 #3;// super_cpx
58
59 [0] { // Interfaces
60 } // Interfaces
61
62 [0] { // fields
63 } // fields
64
65 [0] { // methods
66 } // methods
67
68 [2] { // Attributes
69 Attr(#11, 2) { // BootstrapMethods at 0x8A
70 [0] { // bootstrap_methods
71 }
72 } // end BootstrapMethods
73 ;
74 Attr(#12) { // AnnotationDefault
75 [] { // type annotations
76 { // type annotation
77 0x00; // target_type
78 0x00; // type_parameter_index
79 []b { // type_path
80 }
81
82 #13; // type_index
83 [] { // element_value_pairs
84 } // element_value_pairs
85 } // type annotation
86 } // type annotations
87 } // end AnnotationDefault
88 } // Attributes
89 } // end class atrbsm00101m10p