[PATCH] D48433: [ELF] - Report unimplemented -z options.

[George Rimar via Phabricator via llvm-commits]

grimar added a comment.

In https://reviews.llvm.org/D48433#1188567, @dim wrote:

> Ah, only now I've noticed that in the FreeBSD kernel link, we've been using the unsupported `-z common-page-size=` option:
>
>   --- kernel.full ---
>   linking kernel.full
>   ld: error: unknown -z value: common-page-size=4096
>   *** [kernel.full] Error code 1
>
>
> This flag was added for ifunc support, but I'm not 100% sure if it is needed at all. Does lld always assume a common page size of 4096 (or whatever the OS reports as `PAGESIZE`)?


I believe, it is always a 4096:
https://github.com/llvm-mirror/lld/blob/master/ELF/Target.h#L80
Except for spark:
https://github.com/llvm-mirror/lld/blob/master/ELF/Arch/SPARCV9.cpp#L44


https://reviews.llvm.org/D48433