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Message-ID: <408FC62D.7020306@gnu.org>
Date: Wed, 28 Apr 2004 15:49:00 -0000
From: Andrew Cagney <cagney@gnu.org>
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To: Randolph Chung <randolph@tausq.org>
Cc: gdb-patches@sources.redhat.com
Subject: Re: [patch/rfa] hppa stub unwinder
References: <20040423040108.GD17279@tausq.org> <40892745.8010807@gnu.org> <20040424064708.GB2923@tausq.org>
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>>use frame_unwind_prepend_unwinder() which addresses the ordering 
>>> problem.  If you want to convert things, it's pre-approved.
> 
> 
> I removed that chunk of the diff in the commited version. If needed will
> reintroduce later.
> 
> I looked at frame_unwind_prepend_unwinder (), but it doesn't let me
> prepend a *sniffer*, so I don't know how to e.g. prepend a sigtramp
> unwinder -- how do i indicate that this unwinder is the wrong one
> at runtime?

Sniffers were recently added to the unwinders as ``optional static 
methods'' (I use the term loosely).  "tramp-frame.c" uses this 
(tramp_frame_sniffer).

Andrew