[libcxx-commits] [libcxx] [libcxxabi] [libc++] Upstream ptrauth support in libc++ and libc++abi (PR #84573)
Oliver Hunt via libcxx-commits
libcxx-commits at lists.llvm.org
Fri Mar 8 15:03:57 PST 2024
================
@@ -51,6 +51,21 @@
#include <atomic>
#endif
+#if __has_feature(ptrauth_calls)
+#include <ptrauth.h>
+#endif
+
+
+template<typename T>
+static inline
+T *
+get_vtable(T *vtable) {
+#if __has_feature(ptrauth_calls)
----------------
ojhunt wrote:
Hmmm, it may be possible for __builtin_get_vtable() to be used as instead, but I'm not sure what the considerations were when this code was written (or if it predates that builtin?)
https://github.com/llvm/llvm-project/pull/84573
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