[all-commits] [llvm/llvm-project] 41cde4: [PAC][Driver] Add `-faarch64-jump-table-hardening`...

[Daniil Kovalev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 41cde465acfddb44d400b0a53bb57960762312a2
      https://github.com/llvm/llvm-project/commit/41cde465acfddb44d400b0a53bb57960762312a2
  Author: Daniil Kovalev <dkovalev at accesssoftek.com>
  Date:   2024-12-05 (Thu, 05 Dec 2024)

  Changed paths:
    M clang/include/clang/Basic/LangOptions.def
    M clang/include/clang/Basic/PointerAuthOptions.h
    M clang/include/clang/Driver/Options.td
    M clang/lib/CodeGen/CodeGenFunction.cpp
    M clang/lib/Driver/ToolChains/Clang.cpp
    M clang/lib/Frontend/CompilerInvocation.cpp
    M clang/test/CodeGen/ptrauth-function-attributes.c
    M clang/test/Driver/aarch64-ptrauth.c

  Log Message:
  -----------
  [PAC][Driver] Add `-faarch64-jump-table-hardening` flag (#113149)

The flag is placed together with pointer authentication flags since they
serve the same security purpose of protecting against attacks on control
flow. The flag is not ABI-affecting and might be enabled separately if
needed, but it's also intended to be enabled as part of pauth-enabled
environments (e.g. pauthtest).

See also codegen implementation #97666.



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