diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_aarch64.S b/compiler-rt/lib/tsan/rtl/tsan_rtl_aarch64.S
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_aarch64.S
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_aarch64.S
@@ -30,6 +30,8 @@
 #else
 .section __TEXT,__text
 .align 3
+#define x29 fp
+#define x30 lr
 #endif
 
 ASM_HIDDEN(__tsan_setjmp)