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Found 2 Skills
Character driver skill for Linux kernel char devices. Use when implementing file_operations, cdev, copy_to_user, ioctl, or mmap for userspace interfaces. Activates on queries about char device, cdev, file_operations, copy_from_user, ioctl, or kernel mmap.
Bytecode interpreter and JIT compiler skill for implementing language runtimes in C/C++. Use when designing bytecode dispatch loops (switch, computed goto, threaded code), implementing stack-based or register-based VMs, adding a simple JIT using mmap/mprotect, or understanding performance trade-offs in interpreter design. Activates on queries about bytecode VMs, dispatch loops, computed goto, JIT compilation basics, tracing JITs, or implementing a scripting language runtime.