binutils question

Alan Modra amodra@bigpond.net.au
Tue Jun 18 22:29:00 GMT 2002


On Wed, Jun 19, 2002 at 12:40:02AM +0900, itojun@iijlab.net wrote:
> 	please see (3) in the first attachment.  when bfd_vma is 64bit and
> 	host is 32bit, there are problematical typecasts like:
> 		unsigned long long x;
> 		void *p;
> 		x = (unsigned long long)p;
> 	gcc does not like this as sizeof(p) != sizeof(x).  how should we
> 	address this problem?  first attachment includes workaround patch,
> 	assuming that "sizeof(void *) <= sizeof(unsigned long)".  basically
> 	the patch does the following.
> 		x = (unsigned long long)(unsigned long)p;

By "gcc does not like" you mean gcc generates bad code or gives
fatal errors?  I think it's just a warning that can be ignored.

-- 
Alan Modra
IBM OzLabs - Linux Technology Centre



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