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[Bug runtime/4636] systemtap module generated kernel module does not compile on 2.6.21-1.3218.fc8 kernel


------- Additional Comments From fche at redhat dot com  2007-06-13 18:50 -------
(In reply to comment #1)
> Looks like you can't build modules with that version of gcc and -Werror.

We could remove -Werror from the generated makefile in buildrun.cxx.


> 	char *cp;
> 	char *end = addr + len;
>                     ^ adding "len" to a void * - gcc says don't do it!
> 
> 
> Now wasn't the whole point of implementing void types to eliminate all the
> casting associated with using "char *"? 

Sure, but arithmetic on void pointers is not defined.  Remember,
the address ptr+index depends on sizeof (*ptr).


-- 


http://sourceware.org/bugzilla/show_bug.cgi?id=4636

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