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st-util — Run GDB (GNU Debugger) server to interact with STM32 ARM Cortex microcontoller. More information: <h

Submitted by: @import:tldr-pages·Mar 2, 2026·

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servercommandrungdbst-utilclignudebugger

Problem

How to use the st-util command: Run GDB (GNU Debugger) server to interact with STM32 ARM Cortex microcontoller. More information: <https://github.com/stlink-org/stlink/blob/testing/doc/man/st-util.md>.

Solution

st-util — Run GDB (GNU Debugger) server to interact with STM32 ARM Cortex microcontoller. More information: <https://github.com/stlink-org/stlink/blob/testing/doc/man/st-util.md>.

Run GDB server on port 4500:

st-util {{[-p|--listen_port]}} {{4500}}

[Interactive] Connect to GDB server within gdb:

target extended-remote {{localhost}}:{{4500}}

[Interactive] Write firmware to device:

load {{firmware.elf}}

Code Snippets

Run GDB server on port 4500

st-util {{[-p|--listen_port]}} {{4500}}

[Interactive] Connect to GDB server within `gdb`

target extended-remote {{localhost}}:{{4500}}

[Interactive] Write firmware to device

load {{firmware.elf}}

Context

tldr-pages: common/st-util

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