Attach a debugger to app launched via `devicectrl`

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With the latest (26) version of Apple's developer tools, is there a way to manually attach a debugger (other than lldb) to an iOS app launched with "devicectl device process launch --start-stopped"?

In the past, this was possible via the ios-deploy third-party tool (now defunct), which provided a debugserver port. This information is notably missing when using devicectrl – although the process ID of the launch process is provided, and the tool is clearly aimed at letting you launch and attach to processes from the command line.

lldb can, of course, attach via its built-in support for this using the device set of commands. But I'm explicitly looking for a way to attach my own debugger via the GDB-compatible debug proxy.

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DTS Engineer OP

Apple

12h

Since we're talking about debuggers here, I just want to say that having DWARF (1) in your user name is excellent — thanks for the chuckle!

As to attaching your custom debugger to a process with devicectl, this is not possible with the currently available commands provided by that tool. Our folks who work on the tooling around that command are interested in hearing what your needs are, so please send them some information on the type of functionality you need through Feedback Assistant. Once you've done that, please post the FB number here for reference.

— Ed Ford,  DTS Engineer

(1): https://dwarfstd.org

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