3nd International Workshop on Worst-Case Execution Time Analysis (WCET'2003), Polytechnic Instritute of Porto, Portugal, July 1, 2003

Compiler Support for WCET Analysis: a Wish List

Guillem Bernat and Niklas Holsti


Static timing analysis of a computer program needs both high-level information from the source code of the program, and low-level information from the compiled object code. Compilers and linkers could support such analysis by providing more and better information about the structure and behaviour of the source and object code and about the relationship between source and object code. Moreover, some parts of timing analysis would be eased by more control over the code generation process. Finally, timing analysis often depends on annotations or assertions embedded in the source code, or referring to the source code. Compilers and linkers could help us make use of annotations by translating the annotations from the source domain to the object domain. To make these needs known to compiler developers and vendors, we propose the collection of a "wish list" of requirements from academic and industrial groups working in timing analysis. We discuss how such a list should be selected, presented and motivated, with emphasis on finding other users with similar needs, for example other kinds of static analysis, debugging or program verification.

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