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Date: Tue, 08 Jul 2003 14:45:00 -0000
Message-Id: <200307081445.h68EjBWJ000503@elgar.kettenis.dyndns.org>
From: Mark Kettenis <kettenis@chello.nl>
To: mludvig@suse.cz
CC: gdb@sources.redhat.com
In-reply-to: <3F0ABC85.1080700@suse.cz> (message from Michal Ludvig on Tue, 08
	Jul 2003 14:43:49 +0200)
Subject: Re: Analyzing AMD64 corefiles on i386
References:  <3F0ABC85.1080700@suse.cz>
X-SW-Source: 2003-07/txt/msg00086.txt.bz2

   Date: Tue, 08 Jul 2003 14:43:49 +0200
   From: Michal Ludvig <mludvig@suse.cz>

   Hi,
   what must be done to enable reading of AMD64 corefiles in a gdb running 
   on i386 with --target=amd64?

The necessary support for corefiles needs to be added to
x86-64-linux-tdep.c.  Take a look at i386nbsd-tdep.c for an example.
You'll need to create a `struct core_fns' together with the necessary
support functions, and register it with add_core_fns.  Note that for
the support functions you can't rely on definitions in header files
and such since this is target code.  You'll also need to drop
core-regset.o from NATDEPFILES in x86-64-linux.mh.

Success!

Mark