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Re: How to watch for changes in a location of memory


Stefano Sabatini <stefano.sabatini-lala@poste.it> writes:

> On date Friday 2008-08-08 10:37:50 +0200, Eran Ifrah wrote:
>> You might want to try the 'watch' command which will causes gdb to
>> break whenever the memory at a given addr has been modified
>> 
>> Read here for more details:
>> 
>> http://sources.redhat.com/gdb/current/onlinedocs/gdb_6.html#SEC34
>
> Thank you for the good pointer, yes indeed it seems it does what I
> want, which is basically:
> watch &ctx->foo;

This is equivalent to `watch ctx', since the address of ctx->foo can
only change if ctx changes.  Watching an address of something is
generally not usefull.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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