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From: "tomas.vanek at fbl dot cz" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/28549] ARM/Cortex-M: improper stack unwinding when the
 target is in lockup state
Date: Mon, 13 Dec 2021 20:22:04 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28549

--- Comment #20 from tomas.vanek at fbl dot cz ---
Luis, Fredrik,

I wrote a draft of the proposed "lockup" custom unwinder. I'm not familiar =
with
gdb source so I'm asking for a little help.

I'm very unsure what arm_m_lockup_prev_register() should return.
I think it's not important as the lockup frame declare itself as outer.
Is it correct?

Is there an easy way to return something valid without generating a frame
cache?
Perhaps
 return frame_unwind_got_register (this_frame, prev_regnum, prev_regnum);
would be ok?

Tom

--=20
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