Static Analysis Of Binary Code With Memory Indirections Using Polyhedra

International audienceIn this paper we propose a new abstract domain for staticanalysis of binary code. Our motivation stems from the need to im-prove the precision of the estimation of the Worst-Case Execution Time(WCET) of safety-critical real-time code. WCET estimation requirescomputing information such as upper bounds on the number of loopiterations, unfeasible execution paths, etc. These estimations are usuallyperformed on binary code, mainly to avoid making assumptions on howthe compiler works. Our abstract domain, based on polyhedra and ontwo mapping functions that associate polyhedra variables with registersand memory, targets the precise computation of such information. Weprove the correctness of the method, and demonstrate its effectivenesson benchmarks and examples from typical embedded code