DragonFly kernel List (threaded) for 2003-11
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Re: trap.c: Why do we save tf_edx in sysmsg_fds[1]?
On Mon, Nov 10, 2003 at 02:09:44AM -0800, Matthew Dillon wrote:
> Now, practically speaking matter edx is not a saved-used register so it
> shouldn't matter if it gets munged on return, so theoretically we can
> get rid of the edx assigned. But that could break some obscure
> bit of compatibility so I'd rather leave things as is.
I thought it would be really cool to pull the zero %edx on exec cruft
into trap.c. I guess one hack that we know works is better than
a different hack that causes gross uncertainty.
--
David P. Reese, Jr. daver@xxxxxxxxxxxx
http://www.gomerbud.com/daver/
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