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Functional Safety for Automotive Systems

ISO 26262 is the international standard for functional safety in road vehicles. It extends IEC 61508 to the automotive domain, addressing the lifecycle of safety-related electrical and/or electronic systems. The standard guides the development of software, from hazard analysis and ASIL assignment to coding, verification, and tool qualification.

ECLAIR helps development and safety teams achieve ISO 26262 compliance efficiently and rigorously, supporting requirements from Part 6 (Product Development at the Software Level), Part 8 (Supporting Processes), and Part 9 (ASIL-Oriented Analysis).


Key Capabilities of ECLAIR for ISO 26262 Compliance

Coverage of ISO 26262 Part 6 Objectives

ECLAIR supports a wide range of techniques and methods required by ISO 26262:2018 Part 6, adapting to the assigned ASIL (A to D). It enables:

  • Enforcement of coding guidelines such as MISRA C:2025, MISRA C++:2023, and BARR-C:2018

  • Full traceability of requirements, implementation, and tests with ECLAIR Requirements Management Tools

  • Data and control flow analysis, bug detection, and automated metric evaluation

  • Analysis of component interaction to verify architectural integrity and safety via ECLAIR Independence Checker

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Freedom from Interference and Independence

ISO 26262 emphasizes freedom from interference and independence when software components with different ASILs coexist. ECLAIR Independence Checker enforces these properties by analyzing:

  • Access to shared memory

  • Function calls and data exchange

  • Static dependencies via headers and macros

This allows you to demonstrate architectural separation, support ASIL decomposition, and verify coexistence rules, all in accordance with Part 6 and Part 9 of the standard.


Tool Qualification under ISO 26262 Part 8

ECLAIR is certified by TÜV SÜD for use in automotive safety projects up to ASIL D, fulfilling the requirements of ISO 26262 Part 8, Clause 11 for software tool qualification at TCL3 confidence level.

To support this, BUGSENG offers:

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Compiler Qualification and the CerTran Extension

As part of compiler qualification, ECLAIR integrates with SuperTest to:

  • Identify compiler misbehavior and provide targeted mitigations

  • Automate the detection of problematic language constructs

  • Prevent unsafe compiler option combinations

ECLAIR’s CerTran extension automates SuperTest configuration based on your actual build system, making continuous compiler qualification a reality.


Qualification of Software Components

ECLAIR is ideally suited for qualifying existing software components, especially when guideline tailoring is needed. ECLAIR’s configurability enables precise enforcement of customized rule subsets.

For C++ projects, where compile-time code generation complicates traceability, ECLAIR Code Scout identifies exactly which template instantiations and compile-time paths are active. This is essential for component qualification under Clause 12 of Part 8.


Standards and Metrics Support

ECLAIR provides unparalleled support for:

  • MISRA C and MISRA C++, across all versions

  • BARR-C:2018, fully supported in all ECLAIR packages

  • HIS metrics and many others, extended for better coverage of testability, maintainability, and complexity

This ensures alignment with ISO 26262 recommendations and strengthens your software quality assurance process.


Ready for Complex Automotive Development

ECLAIR is designed to integrate seamlessly with your development workflows, whether you are adopting agile or traditional V-model lifecycles. Its advanced static analysis engine and rigorous validation framework make it an ideal fit for demanding automotive environments.

Whether you are working on ASIL A or ASIL D components, ECLAIR gives you the automation, transparency, and precision needed to ensure compliance and build safer vehicles.


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If you are developing automotive software and aiming for ISO 26262 certification, ECLAIR can help you meet the standard with confidence and efficiency.

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