Phil Eaton • 7/20/2019

Writing an x86 emulator from scratch in JavaScript: 2. system calls

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This technical tutorial details how to add Linux system call support (exit and write) to an x86 emulator written in JavaScript. It explains syscall mechanics, historical context (INT 80h, SYSENTER), AMD64 calling conventions, register usage, and provides assembly examples for implementing these core OS interactions in an emulated environment.

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#JavaScript #assembly #low-level programming
Writing an x86 emulator from scratch in JavaScript: 2. system calls

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