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Preprints, Working Papers, ... Year : 2020

First Infrastructure and Experimentation in Echo-debugging


As applications get developed, bugs inevitably get introduced. Often, it is unclear why a given code change introduced a given bug. To find this causal relation and more effectively debug, developers can leverage the existence of a previous version of the code, without the bug. But traditional debug-ging tools are not designed for this type of work, making this operation tedious. In this article, we propose as exploratory work the echo-debugger, a tool to debug two different executions in parallel, and the Convergence Divergence Mapping (CDM) algorithm to locate all the control-flow divergences and convergences of these executions. In this exploratory work, we present the architecture of the tool and a scenario to solve a non trivial bug.
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hal-02992863 , version 1 (09-11-2020)



Thomas Dupriez, Steven Costiou, Stéphane Ducasse. First Infrastructure and Experimentation in Echo-debugging: Preprint from IWST20: International Workshop on Smalltalk Technologies. 2020. ⟨hal-02992863⟩
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