[PATCH] D81404: [AArch64] Add clang command line support for -mharden-sls=

[Kristof Beyls via Phabricator via cfe-commits]

kristof.beyls created this revision.
kristof.beyls added a reviewer: ostannard.
Herald added subscribers: cfe-commits, danielkiss.
Herald added a project: clang.

The accepted options to -mharden-sls= are:

- all: enable all mitigations against Straight Line Speculation that are implemented.
- none: disable all mitigations against Straight Line Speculation.
- retbr: enable the mitigation against Straight Line Speculation for RET and BR instructions.
- blr: enable the mitigation against Straight Line Speculation for BLR instructions.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D81404

Files:
  clang/include/clang/Basic/DiagnosticDriverKinds.td
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/ToolChains/Arch/AArch64.cpp
  clang/test/Driver/aarch64-sls-hardening-options.c

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