On Mon, Dec 22, 2008 at 01:23:47PM -0800, Christopher Li wrote: > On Mon, Dec 22, 2008 at 12:57 PM, Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > > The right solution is > > (*(typeof(v) __attribute__((address_space(0), force)) *)(&v)) > > > > Cast there will take a pointer to type of V and force-cast it to pointer to > > unqualified type of V. *(cast)&v will do the obvious thing. Will trim > > both the AS and noderef. > > Thanks, that is much better. However sparse don't know how to handle it yet. > > /tmp/typeof.c:11:64: warning: incorrect type in assignment (invalid types) > /tmp/typeof.c:11:64: expected unknown type 11 <noident> > /tmp/typeof.c:11:64: got int > > classify_type does not know how to handle SYM_TYPEOF yet. > Let me see if I can make it to work. Works here (built from 8f208e215a531d2b32aec0428fd5eaa24ae3100b)... But yes, SYM_TYPEOF is a brittle mess, so whether that works or not is, er, version-dependent ;-/ I really ought to resurrect lazy-type-expressions branch... -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
