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+# Tooling Subcommittee Meeting on 16 December 2026 @ 4pm GMT
+
+| Search Key | Description |
+| :---- | :---- |
+| \[todo\] | Action Item |
+| \[decision\] | Something decided on |
+| \[important\] | Key information |
+
+## Agenda
+
+1. AbsInt Tool Walkthrough  
+2. Rust Project Goals 2026  
+   1. [Investigate Clippy Extensibility for Custom Lints](https://hackmd.io/@plevasseur/r199Y_lS-l)  
+      1. [Zulip Thread](https://rust-lang.zulipchat.com/#narrow/channel/257328-clippy/topic/Tentative.20Rust.20Project.20Goal.20for.202026.20-.20Clippy.20Extensibility/with/568314216)   
+   2. [Implement and Maintain MC/DC Coverage Support](https://hackmd.io/@plevasseur/H1eS3KdxHWl/edit)  
+      1. [Zulip Thead](https://rust-lang.zulipchat.com/#narrow/channel/546987-project-goals.2F2026-workshop/topic/mcdc-support/with/568427319)  
+   3. Specify Undefined Behavior for Safety-Critical Rust  
+      1. Pete still working on this doc  
+      2. Meeting with RalfJ & Niko about it ahead of releasing it
+
+## Check-in area
+
+**Please add your name, and an emoji that describes your day.**
+
+* tshepang  
+* Pete LeVasseur ⛑️🙂  
+* Oreste Bernardi ☕  
+* Alexandru Radovici  
+* Manuel Hatzl  
+* Tiago Manczak  
+* William Cunningham ☕🧥  
+* Kaneko Satoshi
+
+**Notetaker:**
+
+* Pete LeVasseur & Oreste Bernardi
+
+## Housekeeping section
+
+* 
+
+## Tasks
+
+* \[todo\] Manuel takes the action to review AbsInt tool pull request.
+
+## Meeting Minutes
+
+* AbsInt Tool Walkthrough  
+  * Static analysis using Abstract Interpretation (computer science formal verification technique)  
+  * Today’s tool discussion:  
+    * StackAnalyzer  
+    * aiT WCET Analyzer  
+    * TimeWeaver  
+  * StackAnalyzer  
+    * Works with Rust, since operates at the binary-level  
+    * Computes safe upper bounds of stack usage of tasks for all inputs  
+    * Uses Abstract Interpretation  
+    * May be some dialing of knobs required, e.g. if recursion or dynamic calls used  
+    * Typical architectures available with typical tool couplings, e.g. dSPACE TargetLink  
+  * aiT \- Static WCET Analyzer  
+    * Works with Rust, since operates based on compiled down, architecture-specific instructions  
+    * Sends machine-level instructions through microarchitecture analysis using Abstract Interpretation  
+    * Works most consistently on those processors which have reasonably specified models, with the right level of execution pessimism  
+  * TimeWeaver \- Hybrid WCET Analyzer  
+    * For when the processor you’re targeting doesn’t have a timing-predictable model  
+    * Has both static value and worst-case path analysis based on non-intrusive instruction-level tracing  
+    * Runs multiple traces and samples from them to find maximum time over all of them to build the local timing statically like aiT does  
+  * Rust support?  
+    * All binary-level tools support Rust, since they rely on the final linked binary  
+    * Some limitations, e.g. traits might lead to an increased effort around annotation  
+  * Many compilers listed, couldn’t find specifically related to Rust, how is qualification support?  
+    * Qualification kits are offered for all tools  
+    * In principle compiler independent of the compiler, since working with compiled binary  
+    * May begin relying upon it, for bounded loops, so then have compiler-specific add-ons for generic qual kit  
+    * Developed on-demand of customer, i.e. available today for Rust for the generic case  
+    * Separate contracts for those on-demand services?  
+      * For tool license need supported compiler to be chosen, already supported  
+      * Minimal version: no minimal version for Rust compiler / LLVM backend  
+  * Manual annotations  
+    * Based on ELF information?  
+    * Mangled versions?  
+    * AbsInt has a demangler  
+    * Don’t want to have user to specify addresses, so try to offer symbolic annotation scheme, even in Rust  
+    * Can copy+paste into specification file, then can tweak from there  
+* Comments from members in regular call:  
+  * aiT tool WCET has some limitations but it is a complementary to other tools.  
+  * A member commented that the tool is worth adding to the tools list.  
+* Shall we ask for a pull request to the tool vendor ?  
+  * Pull request assigned for review.  
+  * After review  tool vendor will be asked for review  
+* A member raised questions related to the definition of “undefined behaviour" in unsafe scope.  
+  * Pete, Robert, Niko and Ralf will meet to understand how to address this topic.  
+* 
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