A Formal Specification of Java Class Loading

A Formal Specification of Java Class Loading (2000)

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by Zhenyu Qian , Allen Goldberg , Alessandro Coglio , Ro Coglio

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Datum	Value	Source
TITLE	A Formal Specification of Java Class Loading	user correction - Legacy Corrections
AUTHOR NAME	Zhenyu Qian	user correction - Legacy Corrections
AUTHOR AFFIL	Kestrel Institute	user correction - Legacy Corrections
AUTHOR ADDR	3260 Hillview Avenue, Palo Alto, CA 94304	user correction - Legacy Corrections
AUTHOR NAME	Allen Goldberg	user correction - Legacy Corrections
AUTHOR AFFIL	Kestrel Institute	user correction - Legacy Corrections
AUTHOR ADDR	3260 Hillview Avenue, Palo Alto, CA 94304	user correction - Legacy Corrections
AUTHOR NAME	Alessandro Coglio	user correction - Legacy Corrections
AUTHOR NAME	Ro Coglio	user correction - Legacy Corrections
AUTHOR AFFIL	Kestrel Institute	user correction - Legacy Corrections
AUTHOR ADDR	3260 Hillview Avenue, Palo Alto, CA 94304	user correction - Legacy Corrections
ABSTRACT	The Java Virtual Machine (JVM) has a novel and powerful mechanism to support lazy, dynamic class loading according to user-definable policies. Class loading directly impacts type safety, on which the security of Java applications is based. Conceptual bugs in the loading mechanism were found in earlier versions of the JVM that lead to type violations. A deeper understanding of the class loading mechanism, through such means as formal analysis, will improve our confidence that no additional bugs are present. The work presented in this paper provides a formal specification of (the relevant aspects of) class loading in the JVM and proves its type safety. Our approach to proving type safety is different from the usual ones since classes are dynamically loaded and full type information may not be statically available. In addition, we propose an improvement in the interaction between class loading and bytecode verification, which is cleaner and enables lazier loading.	user correction - Legacy Corrections
YEAR	2000	user correction - Legacy Corrections
CITATIONS	19 found	ParsCit 1.0