llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT--> @llvm/pr-subscribers-clang Author: Ahmed Bougacha (ahmedbougacha) <details> <summary>Changes</summary> These are currently gated by __APPLE__; we can figure out a way to define these on ELF targets as well, and maybe have them be defined by clang itself, depending on ABI modes. --- Full diff: https://github.com/llvm/llvm-project/pull/93901.diff 1 Files Affected: - (modified) clang/lib/Headers/ptrauth.h (+23) ``````````diff diff --git a/clang/lib/Headers/ptrauth.h b/clang/lib/Headers/ptrauth.h index 56c3c3636c9bc..036665d75a91b 100644 --- a/clang/lib/Headers/ptrauth.h +++ b/clang/lib/Headers/ptrauth.h @@ -15,6 +15,29 @@ typedef enum { ptrauth_key_asib = 1, ptrauth_key_asda = 2, ptrauth_key_asdb = 3, + +#ifdef __APPLE__ + /* A process-independent key which can be used to sign code pointers. + Signing and authenticating with this key is a no-op in processes + which disable ABI pointer authentication. */ + ptrauth_key_process_independent_code = ptrauth_key_asia, + + /* A process-specific key which can be used to sign code pointers. + Signing and authenticating with this key is enforced even in processes + which disable ABI pointer authentication. */ + ptrauth_key_process_dependent_code = ptrauth_key_asib, + + /* A process-independent key which can be used to sign data pointers. + Signing and authenticating with this key is a no-op in processes + which disable ABI pointer authentication. */ + ptrauth_key_process_independent_data = ptrauth_key_asda, + + /* A process-specific key which can be used to sign data pointers. + Signing and authenticating with this key is a no-op in processes + which disable ABI pointer authentication. */ + ptrauth_key_process_dependent_data = ptrauth_key_asdb, +#endif /* __APPLE__ */ + } ptrauth_key; /* An integer type of the appropriate size for a discriminator argument. */ `````````` </details> https://github.com/llvm/llvm-project/pull/93901 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
