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-rw-r--r--sysdeps/aarch64/sysdep.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/sysdeps/aarch64/sysdep.h b/sysdeps/aarch64/sysdep.h
index 500c272745..2879aeaa5c 100644
--- a/sysdeps/aarch64/sysdep.h
+++ b/sysdeps/aarch64/sysdep.h
@@ -35,6 +35,17 @@
 
 #define PTR_SIZE	(1<<PTR_LOG_SIZE)
 
+#ifndef __ASSEMBLER__
+/* Strip pointer authentication code from pointer p.  */
+static inline void *
+strip_pac (void *p)
+{
+  register void *ra asm ("x30") = (p);
+  asm ("hint 7 // xpaclri" : "+r"(ra));
+  return ra;
+}
+#endif
+
 #ifdef	__ASSEMBLER__
 
 /* Syntactic details of assembler.  */