[llvm-dev] Missing data on PDB's generated by lld

[Leonardo Santagada via llvm-dev]

Thanks, that is very reassuring, don't know how I missed this code. I
will probably remove the /bigobj... although cl.exe IIRC just throws
and error when you go over the limit, and we are probably very close
with obj files on the tens of megabytes.

On Mon, Mar 18, 2019 at 11:46 PM Martin Storsjö <martin at martin.st> wrote:
>
> On Mon, 18 Mar 2019, Leonardo Santagada via llvm-dev wrote:
>
> > In this list the only weird one is /bigobj, my main fear is that we
> > might get to the limit of sections on an obj and then by adding the
> > .debug$H with llvm-objcopy we might get over the limit (I didn't see
> > any code on the obj coff writer to deal with that).
>
> The COFF backend in llvm-objcopy is supposed to handle this - it picks
> between normal and big objs based on the number of sections when writing
> it out. The object type on input shouldn't matter:
>
> https://github.com/llvm-project/llvm/blob/master/tools/llvm-objcopy/COFF/Writer.cpp#L407
>
> This is at least the intent (for which there's at least some unit tests),
> but there could of course be cases I didn't think of.
>
> // Martin
>


-- 

Leonardo Santagada