NDLI: Online Construction of Dynamic Object Process Graphs

Content Provider	IEEE Xplore Digital Library
Author	Quante, J.
Copyright Year	2007
Description	Author affiliation: Bremen Univ. (Quante, J.)
Abstract	A dynamic object process graph is a view on the control flow graph from the perspective of a single object. It has been shown that such a graph can be a useful starting point for many reverse engineering tasks, such as program understanding, protocol recovery, and feature location. In a previous paper, we described how dynamic object process graphs can be constructed from detailed program traces. However, the size of such traces is immense. Moreover, the instrumentation was described only for procedural languages. Object-oriented features such as exceptions require special treatment. Also, techniques like multithreading and reflection were not handled by our previous approach. This prevented it from being applicable to real-life systems. In this paper, we introduce an alternative way of collecting the necessary data. By constructing an intermediate graph online, i.e., concurrently with the running program, the trace size problem is eliminated. Additional optimizations for both trace logging and online graph creation are discussed. In a case study, we show that running times are acceptable even for larger Java programs when these optimizations are applied. Additionally, we discuss some special issues arising from analyzing Java instead of C
Starting Page	113
Ending Page	122
File Size	201105
Page Count	10
File Format	PDF
ISBN	0769528023
ISSN	15345351
DOI	10.1109/CSMR.2007.37
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-03-21
Publisher Place	Netherlands
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Flow graphs Java Application software Protocols Reverse engineering Instruments Multithreading Reflection Sockets Hard disks
Content Type	Text
Resource Type	Article

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