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Sandboxing Perl with WebAssembly - Part 2.
In my last post, I expressed frustration at how the lack of exnref support in most WebAssembly runtimes made zeroperl effectively unusable. Using libsetjmp from the WASI SDK for setjmp/longjmp breaks compatibility across WebAssembly runtimes, so I decided to implement it myself. Binaryen has an Asyncify feature, which provides more than enough functionality to build a setjmp implementation from scratch.
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