[PATCH 1/2] Make setjmp/longjmp code generic

Michael Neuling mikey at neuling.org
Thu Dec 13 10:40:44 EST 2007


> >  arch/powerpc/xmon/setjmp.S    |  135 ------------------------------------------

<snip> 
 
> > +#ifdef CONFIG_XMON
> > +/*
> > + * Grab the register values as they are now.
> > + * This won't do a particularily good job because we really
> > + * want our caller's caller's registers, and our caller has
> > + * already executed its prologue.
> > + * ToDo: We could reach back into the caller's save area to do
> > + * a better job of representing the caller's state (note that
> > + * that will be different for 32-bit and 64-bit, because of the
> > + * different ABIs, though).
> > + */
> > +_GLOBAL(xmon_save_regs)
> > +	PPC_STL	r0,0*SZL(r3)
> > +	PPC_STL	r2,2*SZL(r3)
> > +	PPC_STL	r3,3*SZL(r3)
> > +	PPC_STL	r4,4*SZL(r3)
> 
> Does xmon_save_regs belong here?

This was the only function left in xmon/setjmp.S.  So rather than rename
the whole file to reflect it no longer has anything to do with setjmp, I
moved it out to misc.S

I'm not fussed what we end up doing.

Mikey



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