[PATCH] D28857: [ELF] - Allow relative relocations to a absolute value defined in linker script.

[Rafael Avila de Espindola via llvm-commits]

George Rimar <grimar at accesssoftek.com> writes:

>>This is an over reduction. The real problem is that we are not tracking
>>absoluteness correctly. In the original case vvar_vsyscall_gtod_data
>>should not be absolute.
>
> But bfd generates is as absolute from original reproduce file:
>     35: ffffffffffffe080     0 NOTYPE  LOCAL  DEFAULT  ABS vvar_vsyscall_gtod_data
>
> and gold too:
>      8: ffffffffffffe080     0 NOTYPE  LOCAL  DEFAULT  ABS vvar_vsyscall_gtod_data

That is a bug in bfd. Its handling of what is absolute is broken. On ELF
absolute really means absolute, like a size. Anything that is a position
in the file is not absolute.

Cheers,
Rafael