Re: [PATCH 0/2] Fixups for fcf-protection

[Jan Beulich <jbeulich@xxxxxxxx>]

On 13.05.2020 07:41, Stefan Bader wrote:
> On 12.05.20 20:47, Andrew Cooper wrote:
>> On 12/05/2020 08:17, Stefan Bader wrote:
>>> Not sure it was already hit but that additional .note section breaks the 
>>> build
>>> of the emulator as generated headers become gigantic:
>>>
>>> https://git.launchpad.net/ubuntu/+source/xen/tree/debian/patches/1001-strip-note-gnu-property.patch?h=ubuntu/focal
>>
>> 4.6G of notes?!?  That is surely a toolchain bug.
> 
> No, sorry if that was unclear. The .notes themselves are just about some Kb or
> so per object file. Problem is that each object file gets converted into a hex
> array header file. And this does multiply the resulting header file sizes.
> So the .h files generated are 4.6G in size. And there were a couple of those,
> all included into one .c file. Which ended in the compiler running out of 
> memory
> on a 32GB system.

But as per the link above it's still 3Mb notes per object,
which still seems insane.

Jan