WebAssembly Debugging with LLDB @ FOSDEM 26

I’ll be presenting WebAssembly Debugging with LLDB in the LLVM Dev Room at FOSDEM 26 on Saturday, January 31st. Abstract WebAssembly support in Swift started as a community project and became an official part of Swift 6.2. As Swift on WebAssembly matures, developers need robust debugging tools to match. This talk presents our work adding native debugging support for Swift targeting Wasm in LLDB. WebAssembly has some unique characteristics, such as its segmented memory address space, and we’ll explore how we made that work with LLDB’s architecture....

January 5, 2026