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Date: Fri, 10 Dec 2004 17:44:15 -0500
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From: DJ Delorie <dj AT delorie DOT com>
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Subject: Re: Patches to build GDB 6.3
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> Thanks for the explanation.  Does this mean it uses BP and SP in
> some unorthodox way?

It uses every register in an unorthodox way.

Specifically, it at least sets BP and SP according to the unwind
information (much like a longjmp() would do, but inlined into the EH
handler by gcc rather than via a function call).