[all-commits] [llvm/llvm-project] c64919: [libunwind] Be more careful about enabling GCS (#1...

[John Brawn via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c649194a71b47431f2eb2e041435d564e3b51072
      https://github.com/llvm/llvm-project/commit/c649194a71b47431f2eb2e041435d564e3b51072
  Author: John Brawn <john.brawn at arm.com>
  Date:   2024-08-05 (Mon, 05 Aug 2024)

  Changed paths:
    M libunwind/src/cet_unwind.h

  Log Message:
  -----------
  [libunwind] Be more careful about enabling GCS (#101973)

We need both GCS to be enabled by the compiler (which we do by checking
if __ARM_FEATURE_GCS_DEFAULT is defined) and for arm_acle.h to define
the GCS intrinsics. Check the latter by checking if _CHKFEAT_GCS is
defined.



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