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Date: Sat, 20 Aug 2011 18:30:00 -0000
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From: Mark Kettenis <mark.kettenis@xs4all.nl>
To: jan.kratochvil@redhat.com
CC: sanjoy@playingwithpointers.com, gdb-patches@sourceware.org
In-reply-to: <20110820175838.GC26447@host1.jankratochvil.net> (message from	Jan Kratochvil on Sat, 20 Aug 2011 19:58:38 +0200)
Subject: Re: [PATCH 5/6] New JIT unwinder.
References: <1313821635-22137-1-git-send-email-sanjoy@playingwithpointers.com> <1313821635-22137-6-git-send-email-sanjoy@playingwithpointers.com> <20110820175838.GC26447@host1.jankratochvil.net>
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> Date: Sat, 20 Aug 2011 19:58:38 +0200
> From: Jan Kratochvil <jan.kratochvil@redhat.com>
> 
> > +
> > +  inf_data = get_jit_inferior_data ();
> > +
> > +  callbacks.reg_get = jit_unwind_reg_get_impl;
> > +  callbacks.reg_set = jit_unwind_reg_set_impl;
> > +  callbacks.target_read = jit_target_read_impl;
> 
> Couldn't GDB just export these functions to the plugin without having to use
> the callbacks vector?  Python does so, libthread_db does so (see
> proc-service.list).

I'd say that's a bad idea.  The --dynamic-list linker option isn't
uniformly available, and even -rdynamic may not work everywehere.