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Re: RFA: attach to a PID using a different exec

Daniel Jacobowitz <> writes:

> On Thu, Nov 13, 2008 at 12:18:20PM -0700, Tom Tromey wrote:
>> Sometimes I will start gdb like "gdb /some/path/to/gdb" and then
>> "attach PID" -- where PID is actually running "/some/other/gdb".
>> That is, the current exec file and the attached process disagree.
>> Right now this usually yields an error along the lines of:
>> "Cannot access memory at address 0x2e".
>> This patch changes gdb to look at the target's notion of the exec
>> file, and then switch to it if it differs from the current exec.
> This seems like a bad idea to me.  The canonical example is:
> /usr/bin/prog.stripped &
> gdb /home/drow/prog.debug $(pidof prog.stripped)
> I don't want GDB to prompt my to switch to the stripped program...

I think a warning would still be helpful, similar to what you get when
you load a core that does not match.


Andreas Schwab, SuSE Labs,
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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"And now for something completely different."

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