================ @@ -327,6 +330,27 @@ a discriminator determined as follows: is ``ptrauth_blend_discriminator(&x, discriminator)``; see `ptrauth_blend_discriminator`_. +``ptrauth_qualifier_options`` +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +The options parameter to the ``__ptrauth`` qualifier is a string of comma +separated modifiers to the normal authentication behavior. Currently supported +options are + +- Authentication mode: This is one of ``strip``, ``sign-and-strip``, and + ``sign-and-auth``. The ability to modify this behavior is intended to support + staging ABI changes. The ``strip`` mode results in the PAC bits of a value + being stripped from any value and disabled any other authentication + operations. ``sign-and-strip`` strips an authenticated on read, but will + ensure a correct signature is set on assignment. Finally ``sign-and-auth`` is + the default mode, and provides full protection for the value. + +- ``authenticates-null-values``: By default the __ptrauth qualifier does not ---------------- AaronBallman wrote:
```suggestion - ``authenticates-null-values``: By default the ``__ptrauth`` qualifier does not ``` https://github.com/llvm/llvm-project/pull/136828 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
