Daniel Kiss 801ab71032 [ARM][AArch64] SLSHardening: make non-comdat thunks possible ...

Linker scripts might not handle COMDAT sections. SLSHardeing adds
new section for each __llvm_slsblr_thunk_xN. This new option allows
the generation of the thunks into the normal text section to handle these
exceptional cases.
,comdat or ,noncomdat can be added to harden-sls to control the codegen.
-mharden-sls=[all|retbr|blr],nocomdat.

Reviewed By: kristof.beyls

Differential Revision: https://reviews.llvm.org/D100546

2021-05-20 17:07:05 +02:00

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