[coreboot] seabios failure with v2 and -fomit-frame-pointer

Kevin O'Connor kevin at koconnor.net
Wed Mar 18 21:17:59 CET 2009


On Wed, Mar 18, 2009 at 01:01:41PM -0700, ron minnich wrote:
> are the payloads built with omit frame pointer?
> 
> it's not a good thing if we have to sync how payloads are built with
> how coreboot is built.

SeaBIOS does use -fomit-frame-pointer (enabling it provides noticably
better code generation).  However, I don't think this is related to
the payload at all.  The frame-pointer option controls what gcc puts
into %ebp, and SeaBIOS doesn't care at all what's in that register
when it is launched.

-Kevin




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