From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10775 invoked by alias); 24 Apr 2005 22:32:42 -0000 Mailing-List: contact gdb-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sources.redhat.com Received: (qmail 10693 invoked from network); 24 Apr 2005 22:32:31 -0000 Received: from unknown (HELO nevyn.them.org) (66.93.172.17) by sourceware.org with SMTP; 24 Apr 2005 22:32:31 -0000 Received: from drow by nevyn.them.org with local (Exim 4.50 #1 (Debian)) id 1DPpeO-0003l9-OC; Sun, 24 Apr 2005 18:32:28 -0400 Date: Sun, 24 Apr 2005 22:32:00 -0000 From: Daniel Jacobowitz To: Eli Zaretskii Cc: Shaun Jackman , gdb@sources.redhat.com Subject: Re: si: Cannot access memory at address 0xeafffff4 Message-ID: <20050424223228.GA14252@nevyn.them.org> Mail-Followup-To: Eli Zaretskii , Shaun Jackman , gdb@sources.redhat.com References: <7f45d93905042218041b077101@mail.gmail.com> <01c547dd$Blat.v2.4$5dcba9a0@zahav.net.il> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <01c547dd$Blat.v2.4$5dcba9a0@zahav.net.il> User-Agent: Mutt/1.5.8i X-SW-Source: 2005-04/txt/msg00165.txt.bz2 On Sat, Apr 23, 2005 at 11:19:51AM +0300, Eli Zaretskii wrote: > > Date: Fri, 22 Apr 2005 18:04:54 -0700 > > From: Shaun Jackman > > > > What is gdb doing here that it wants to read the target's memory? > > > > (gdb) si > > Cannot access memory at address 0xeafffff4 > > (gdb) > > Can it be that it's reading the next instruction? Probably. This is ARM; most ARM debugging stubs do not offer a single-step operation, so without hardware singlestep we need to read the current PC in order to determine the next PC. -- Daniel Jacobowitz CodeSourcery, LLC