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Re: Memory Debugging Fun
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Re: Memory Debugging Fun

on 5/28/04 8:14 AM, Mark Thomas <email@hidden> wrote:

> Hi,
> I was wondering if I can some how change the protection bit of a bit piece
> of linear memory (well a lots linear memory) so that it can help in tracking
> down a possible wondering pointer issue. As I have large areas of pools
> which are setup, but are then not written to again (but they are getting
> corrupted by something :-( ), so can I change the access to that area in the
> same way we can do with MakeDataExecutable, so you can execute it. Guard
> pages aren't picking it up :-(.
>
> I've seen that maybe I could use mapfile to do this, but I don't see how I
> could create one, then change the access to it.
>
> Any ideas ???

I don't know about XCode (haven't hardly used it yet) but in CodeWarrior you
can just set a watchpoint. However I found one instance a few months back
where a CW watchpoint failed to fire when the memory in question was
modified.

-Kurt Bigler
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References: 
 >Memory Debugging Fun (From: Mark Thomas <email@hidden>)



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