Kalle wrote:
> It seems "extern const int foo;" with "-Wl --defsym,foo=0x1234" almost works, except GCC then uses a
> RIP-relative reference on amd64 and that can cause a relocation overflow.
> I also tried wrapping the read in an __attribute__((const))
> function, which means the return value does not depend on
> global memory:
>
> int __attribute__((const)) getfoo()
> {
> return *(const int *) 0x1234;
> }
>
> but GCC emitted two reads anyhow.
Yep. It should not be this hard to do this.
Toshi
