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Date: Wed, 19 Feb 2003 21:45:00 -0000
From: Andrew Cagney <ac131313@redhat.com>
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To: Daniel Jacobowitz <drow@mvista.com>
Cc: GDB Patches <gdb-patches@sources.redhat.com>
Subject: Re: [patch/rfc] Add a sentinel frame
References: <20030219140441.GA20537@nevyn.them.org> <3E53B61C.2050807@redhat.com> <20030219165623.GA7961@nevyn.them.org> <3E53BBCB.2010003@redhat.com> <20030219171700.GA8736@nevyn.them.org> <3E53C416.30809@redhat.com> <20030219175654.GA10010@nevyn.them.org> <3E53CFB8.8070201@redhat.com> <20030219185202.GA11371@nevyn.them.org> <3E53E8B8.10203@redhat.com> <20030219203937.GA14890@nevyn.them.org>
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Anyway, do you now see why trying to directly call frame_chain_valid() 
wouldn't be helpful to the rewritten get_prev_frame?

Andrew