Subtrack

WebAssembly Internals

Understand the portable bytecode for the web. Compile C to Wasm, parse binary modules, implement a stack machine interpreter, understand linear memory, validate modules, and run Wasm outside the browser with WASI.

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~315 Minutes 7 Challenges

WebAssembly binary format tutorial

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WebAssembly Internals parses modules, validates, and interprets enough to demystify wasm.

WebAssembly Internals

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Tasks (7)

Compile a C Function to Wasm and Inspect the Binary

Parse a Wasm Binary Module: Sections, Types, Function Bodies

Implement a Wasm Stack Machine Interpreter for a Subset of Instructions

Understand Wasm Memory Model: Linear Memory, Pages, memory.grow

Implement Wasm Validation: Type-Check a Module Before Execution

Add a Wasm JIT Using Your Knowledge from Track 2

Run Wasm Outside the Browser Using WASI