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Date: Thu, 16 Apr 2009 18:16:00 -0000
From: Eli Zaretskii <eliz@gnu.org>
Subject: Re: [RFA] print error message if (auto) disassembly failed
In-reply-to: <20090416180146.GH7585@adacore.com>
To: Joel Brobecker <brobecker@adacore.com>
Cc: gdb-patches@sourceware.org
Reply-to: Eli Zaretskii <eliz@gnu.org>
Message-id: <831vrslb0f.fsf@gnu.org>
References: <20090416173918.GP7557@adacore.com> <834owolc51.fsf@gnu.org> <20090416180146.GH7585@adacore.com>
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> Date: Thu, 16 Apr 2009 11:01:46 -0700
> From: Joel Brobecker <brobecker@adacore.com>
> Cc: gdb-patches@sourceware.org
> 
> > How about
> > 
> >         #0  0x00007f8befcc8307 in ?? ()
> >         0x00007f8befcc8307:     (bad)
> > 
> > instead?  This is consistent with what "display/i $pc" displays if $pc
> > has a bad value, such as if you somehow land in the middle of an
> > instruction.
> 
> The problem is that this is not actually a "bad" instruction in this case,
> but an invalid address.

But an invalid address can sometimes (accidentally) be readable,
right?  What will we print then?