[PATCH] D54917: [ELF] Comment about retpoline IPLT in getPltVA

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

In D54917#1310018 <https://reviews.llvm.org/D54917#1310018>, @ruiu wrote:

> I mean we probably should set `PltHeaderSize` to 0 if IPLT because IPLT's header size is actually zero (unless it is a retpoline IPLT, in which case it should be set to an appropriate value.)


`TargetInfo::PltHeaderSize` is a field of `TargetInfo`, not `PltSection`.  I cannot set `PltHeaderSize` to 0 for IPLT because otherwise when both normal PLT and IPLT are used, the `PltHeaderSize` of the normal PLT would be incorrect (0).


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  rLLD LLVM Linker

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https://reviews.llvm.org/D54917