Re: [Xen-devel] [PATCH 3/4] x86/linker: add a reloc section to ELF binary

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.06.19 at 16:30, <roger.pau@xxxxxxxxxx> wrote:
> On Wed, Jun 19, 2019 at 12:20:40PM +0100, Andrew Cooper wrote:
>> Since the MB1/MB2 builds aren't relocatable, I think we might be able to
>> get away with simply excluding them in the non-EFI build.
> 
> Hm, OK. I'm slightly loss then. I've taken a look at the history of
> xen/arch/x86/efi/relocs-dummy.S and it's not clear to me why such a
> dummy file was added. My guess is that it's done in order to prevent
> missing symbols errors. If that's the case I guess the code that makes
> use of such symbols can be guarded, and the dummy file removed?

Missing symbols errors - yes. But how would you remove the dummy
one, which is a place holder in stage 1 linking for what will be real
data in stages 2 and 3? I don't think we should ignore unresolved
symbols in stage 1.

Jan



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