Re: [PATCH v2 08/18] arm64: don't disable ADR_PREL_PG_HI21* with ARM64_ERRATUM_843419

Ard Biesheuvel
2017-11-16T23:20:41Z

On 16 November 2017 at 23:09, Sami Tolvanen <samitolvanen@google.com> wrote:
> On Thu, Nov 16, 2017 at 10:14:17PM +0000, Ard Biesheuvel wrote:
>> OK, so my concern here is that this code probably only operates on
>> fully linked binaries, and not partially linked object files like
>> kernel modules.
>
> Right. That makes sense.
>
>> What is preventing us from using the large model with clang?
>
> We pass -mcmodel=large to clang, but I just confirmed that the
> attribute isn't stored in LLVM IR, which means it's not used during
> link time compilation. I'll see if we can solve this problem by
> passing the correct code model directly to LLVMgold instead. Thanks
> for pointing this out.
>

So at which point is the IR in a partially linked object file
converted into executable code?