Mercurial > hg > truffle

comparison src/share/vm/classfile/classFileParser.cpp @ 17569:0964e6038231

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
8034926: Attribute classes properly Summary: Add check to prevent underflow Reviewed-by: coleenp, ahgross
author hseigel
date Thu, 20 Feb 2014 13:30:59 -0500
parents e254e5940c19
children 562643f42b65 5f7e12f5b4e5 a18dafb24f80
comparison
equal deleted inserted replaced
17568:1f59838e019d 17569:0964e6038231
1 /* 1 /*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
2775 2775
2776 guarantee_property(_max_bootstrap_specifier_index < attribute_array_length, 2776 guarantee_property(_max_bootstrap_specifier_index < attribute_array_length,
2777 "Short length on BootstrapMethods in class file %s", 2777 "Short length on BootstrapMethods in class file %s",
2778 CHECK); 2778 CHECK);
2779 2779
2780 guarantee_property(attribute_byte_length > sizeof(u2),
2781 "Invalid BootstrapMethods attribute length %u in class file %s",
2782 attribute_byte_length,
2783 CHECK);
2784
2780 // The attribute contains a counted array of counted tuples of shorts, 2785 // The attribute contains a counted array of counted tuples of shorts,
2781 // represending bootstrap specifiers: 2786 // represending bootstrap specifiers:
2782 // length*{bootstrap_method_index, argument_count*{argument_index}} 2787 // length*{bootstrap_method_index, argument_count*{argument_index}}
2783 int operand_count = (attribute_byte_length - sizeof(u2)) / sizeof(u2); 2788 int operand_count = (attribute_byte_length - sizeof(u2)) / sizeof(u2);
2784 // operand_count = number of shorts in attr, except for leading length 2789 // operand_count = number of shorts in attr, except for leading length