From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gdb-return-34694-listarch-gdb=sources.redhat.com@sourceware.org>
Received: (qmail 31794 invoked by alias); 16 Jun 2009 05:47:57 -0000
Received: (qmail 31785 invoked by uid 22791); 16 Jun 2009 05:47:57 -0000
X-SWARE-Spam-Status: No, hits=-1.8 required=5.0 	tests=AWL,BAYES_00,SARE_MSGID_LONG40,SPF_PASS
X-Spam-Check-By: sourceware.org
Received: from mail-px0-f202.google.com (HELO mail-px0-f202.google.com) (209.85.216.202)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 16 Jun 2009 05:47:52 +0000
Received: by pxi40 with SMTP id 40so1003978pxi.12         for <gdb@sourceware.org>; Mon, 15 Jun 2009 22:47:50 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.143.8.17 with SMTP id l17mr3721811wfi.173.1245131270434; Mon,  	15 Jun 2009 22:47:50 -0700 (PDT)
Date: Tue, 16 Jun 2009 05:47:00 -0000
Message-ID: <3a665c760906152247r1625a2ban876c8c55ab52d4e2@mail.gmail.com>
Subject: how to r/w memory
From: loody <miloody@gmail.com>
To: gdb@sourceware.org
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
X-IsSubscribed: yes
Mailing-List: contact gdb-help@sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <gdb.sourceware.org>
List-Subscribe: <mailto:gdb-subscribe@sourceware.org>
List-Archive: <http://sourceware.org/ml/gdb/>
List-Post: <mailto:gdb@sourceware.org>
List-Help: <mailto:gdb-help@sourceware.org>, <http://sourceware.org/ml/#faqs>
Sender: gdb-owner@sourceware.org
X-SW-Source: 2009-06/txt/msg00167.txt.bz2

Dear all:
>From the gdb document, we can use "x/nfu address" to read memory, but
how we can write it?
I have tried "x 0x80000000=0" like "p var=val" but it fail.
thanks for your help,
miloody