Ángel González <keisial@xxxxxxxxx> writes:
> I'm trying to define some symbols which are just alias to the struct
> members of
> a global/static variable.
>
> See testcase below:
>
> struct Foo_struct {
> int Foodata;
> } Foo;
>
> extern int __attribute__((alias("Foo.Foodata"))) Localfoo;
...
> This syntax works fine in gcc 3.4 but seems to have disappeared in gcc4,
> where it complains that the symbol is aliased to undefined symbol.
I don't see any evidence that this actually worked in gcc 3.4. In 3.4
it would make Localfoo an alias for a symbol named literally
"Foo.Foodata". it would not make Localfoo an alias for the Foodata
field of the global variable Foo. I think gcc4 is kindly giving you an
error for something that never actually worked.
Ian
