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EnglishThe Java Virtual Machine embodies a verifier which performs a set of checks on bytecode programs before their execution. The verifier performs a data-flow analysis applied to a type-level abstract interpretation of the code. The current implementations of the bytecode verifier present a significant problem: there are legal Java programs which are correctly compiled into a bytecode that is rejected by the verifier. Also the more powerful verification techniques proposed in several papers suffer from the same problem. In this paper we propose to enhance the bytecode verifier to accept such programs, maintaining the efficiency of current implementations. The enhanced version is based on a domain of types which is more expressive than the one used in standard verification.
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| Titolo: | Fixing the Java bytecode verifier by a suitable type domain |
| Autori: | |
| Data di pubblicazione: | 2002 |
| Abstract: | The Java Virtual Machine embodies a verifier which performs a set of checks on bytecode programs before their execution. The verifier performs a data-flow analysis applied to a type-level abstract interpretation of the code. The current implementations of the bytecode verifier present a significant problem: there are legal Java programs which are correctly compiled into a bytecode that is rejected by the verifier. Also the more powerful verification techniques proposed in several papers suffer from the same problem. In this paper we propose to enhance the bytecode verifier to accept such programs, maintaining the efficiency of current implementations. The enhanced version is based on a domain of types which is more expressive than the one used in standard verification. |
| Handle: | http://hdl.handle.net/11581/202408 |
| ISBN: | 9781581135565 |
| Appare nelle tipologie: | Contributo in atto di convegno su volume |
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