This is the mail archive of the gdb@sourceware.org mailing list for the GDB project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

Re: GDB and mmap

From: Rodrigo Rubira Branco <rrbranco at br dot ibm dot com>
To: gdb at sourceware dot org
Date: Sun, 15 Jul 2007 22:30:56 -0300
Subject: Re: GDB and mmap
References: <26.140-15180-2028046551-1184314506@seznam.cz>
Reply-to: rrbranco at br dot ibm dot com

On Fri, 2007-07-13 at 10:15 +0200, Jan Somr wrote:
> Hi all, please help. 
> I have an application which makes cores and uses mapped memory (mmap).  How can I access this memory in GDB? 
> When I try print it I get this message: "Cannot access memory at address xxxxxxxxxx". Is the shared memory dumped in the core?
> Thank you.

If the vm_area_struct of the mapped area have the vm_flags attribute set
to VM_IO, this area will not be dumped...


cya,


Rodrigo (BSDaemon).

-- 
Rodrigo Rubira Branco
Software Engineer 
Advanced Linux Response Team (ALRT) / Linux on Power Toolchain
IBM Linux Technology Center (IBM/LTC)
rrbranco@br.ibm.com

GPG KeyID: 1FCEDEA1

Attachment: signature.asc
Description: This is a digitally signed message part

References:
- GDB and mmap
  - From: Jan Somr

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]