From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14149 invoked by alias); 31 Mar 2010 17:48:02 -0000 Received: (qmail 14124 invoked by uid 22791); 31 Mar 2010 17:48:01 -0000 X-SWARE-Spam-Status: No, hits=-1.9 required=5.0 tests=BAYES_00,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mail.codesourcery.com (HELO mail.codesourcery.com) (38.113.113.100) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 31 Mar 2010 17:47:56 +0000 Received: (qmail 20732 invoked from network); 31 Mar 2010 17:47:54 -0000 Received: from unknown (HELO caradoc.them.org) (dan@127.0.0.2) by mail.codesourcery.com with ESMTPA; 31 Mar 2010 17:47:54 -0000 Date: Wed, 31 Mar 2010 17:48:00 -0000 From: Daniel Jacobowitz To: Michael Snyder Cc: Pedro Alves , "gdb@sourceware.org" Subject: Re: Random gdbserver question (x86) Message-ID: <20100331174749.GA16865@caradoc.them.org> Mail-Followup-To: Michael Snyder , Pedro Alves , "gdb@sourceware.org" References: <4BB28BF2.8080100@vmware.com> <201003310219.49529.pedro@codesourcery.com> <4BB387E1.3070702@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4BB387E1.3070702@vmware.com> User-Agent: Mutt/1.5.20 (2009-06-14) Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2010-03/txt/msg00226.txt.bz2 On Wed, Mar 31, 2010 at 10:35:29AM -0700, Michael Snyder wrote: > Actually, I phrase it as a question even though I am pretty sure it > is true. My real question is "Why?". It seems to me that if we just > included amd64-linux-nat.o and amd64-*-tdep.o in the build, then > 32-bit gdb should be able to debug 64-bit native apps. I don't think the necessary kernel interfaces exist. Or at least, we aren't using them. Compare the offsets in the two nat files. -- Daniel Jacobowitz CodeSourcery