From 6dc03eee53df62c1fb82a735f70a1b2b16d26bf0 Mon Sep 17 00:00:00 2001
From: David Conrad <david_conrad@apple.com>
Date: Tue, 7 Jun 2022 15:17:27 -0700
Subject: Enable pointer authentication in assembly when building arm64e

---
 src/arm/asm.S | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/arm/asm.S b/src/arm/asm.S
index d1083c6..dc50415 100644
--- a/src/arm/asm.S
+++ b/src/arm/asm.S
@@ -135,6 +135,12 @@
 #endif
 #define GNU_PROPERTY_AARCH64_PAC (1 << 1)
 
+#elif defined(__APPLE__) && defined(__arm64e__)
+
+#define GNU_PROPERTY_AARCH64_PAC 0
+#define AARCH64_SIGN_LINK_REGISTER      pacibsp
+#define AARCH64_VALIDATE_LINK_REGISTER  autibsp
+
 #else /* __ARM_FEATURE_PAC_DEFAULT */
 
 #define GNU_PROPERTY_AARCH64_PAC 0
-- 
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