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Date: Mon, 02 Jul 2007 20:39:00 -0000
From: "Srinivas Murthy" <codevana@gmail.com>
To: gdb@sourceware.org
Subject: Re: x86_64 gdb and objdump
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I did try "x ..." at a bunch of memory locations and it outputs the
same error msg.

It seems like its not able to access any memory location in the core file.

Thanks.


On 7/2/07, Daniel Jacobowitz <drow@false.org> wrote:
> On Mon, Jul 02, 2007 at 12:14:43PM -0700, Srinivas Murthy wrote:
> > #0  0x00000000004004f5 in bar () at test.c:10
> > 10      test.c: No such file or directory.
> >        in test.c
> > (gdb) bt
> > #0  0x00000000004004f5 in bar () at test.c:10
> > Cannot access memory at address 0x7fbfffee98
>
> Does x/x 0x7fbfffee98 work?
>
> > However, objdump shows that there is some valid content at the location:
> >
> > # objdump -D /tmp/core.test.30235 |less |grep 7fbfffee98
> >  7fbfffe95f:   00 08                   add    %cl,(%rax)
>
> That's not the same address...
>
> --
> Daniel Jacobowitz
> CodeSourcery
>