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Message-ID: <CAC_pWX0GdOoEBNy=QF5VyBhTH9iGEKdLXb_Px7KTnwh+qz7W0g@mail.gmail.com>
Date: Mon, 27 Apr 2026 13:15:22 -0400
From: Arjun Ramesh <arjunr2@...rew.cmu.edu>
To: musl@...ts.openwall.com
Subject: Supporting a Wasm32 Arch in musl
Hello,
I am the maintainer of the WebAssembly Linux Interface (
https://wasm-thin-kernel-interfaces.github.io/WALI/) which provides a
virtualized Linux syscall API for Wasm. The WALI has picked up in ecosystem
support is currently supported upstream in clang and Rust targets with more
languages on the way.
Given this, would the musl project be open to upstream patches supporting a
Wasm32 arch backend? We have a current prototype of the musl-libc in the
WALI repo. Wasm32 support should be minimally intrusive to the main
codebase, and would mostly just require arch-specific headers for syscalls
and minor arch-specific support for threading, environment variables, and
command-line args.
Thanks
Best
Arjun
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