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# Embedded Systems Reverse Engineering
# Embedded Systems Reverse Engineering
[Repository](https://github.com/mytechnotalent/Embedded-Hacking)
## Week 6
Static Variables in Embedded Systems: Debugging and Hacking Static Variables w/ GPIO Input Basics
### Exercise 2: Reverse Engineer gpio_set_pulls with GDB
### Non-Credit Practice Exercise 2: Reverse Engineer gpio_set_pulls with GDB
#### Objective
Use GDB to disassemble the `gpio_set_pulls` function, trace its register writes to identify the PADS_BANK0 hardware register it modifies, and document how the Pico 2 configures internal pull-up and pull-down resistors at the hardware level.