diff --git a/libunwind/CMakeLists.txt b/libunwind/CMakeLists.txt
--- a/libunwind/CMakeLists.txt
+++ b/libunwind/CMakeLists.txt
@@ -87,6 +87,7 @@
 option(LIBUNWIND_USE_FRAME_HEADER_CACHE "Cache frame headers for unwinding. Requires locking dl_iterate_phdr." OFF)
 option(LIBUNWIND_REMEMBER_HEAP_ALLOC "Use heap instead of the stack for .cfi_remember_state." OFF)
 option(LIBUNWIND_INSTALL_HEADERS "Install the libunwind headers." OFF)
+option(LIBUNWIND_OMIT_LINUX_AARCH64_SIGRETURN_CHECK "Disable the sigreturn trampoline check on AArch64 Linux." OFF)
 
 set(LIBUNWIND_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}" CACHE STRING
     "Define suffix of library directory name (32/64)")
@@ -344,6 +345,10 @@
   add_compile_definitions(_LIBUNWIND_REMEMBER_HEAP_ALLOC)
 endif()
 
+if(LIBUNWIND_OMIT_LINUX_AARCH64_SIGRETURN_CHECK)
+  add_compile_definitions(_LIBUNWIND_OMIT_LINUX_AARCH64_SIGRETURN_CHECK)
+endif()
+
 # This is the _ONLY_ place where add_definitions is called.
 if (MSVC)
   add_definitions(-D_CRT_SECURE_NO_WARNINGS)
diff --git a/libunwind/src/UnwindCursor.hpp b/libunwind/src/UnwindCursor.hpp
--- a/libunwind/src/UnwindCursor.hpp
+++ b/libunwind/src/UnwindCursor.hpp
@@ -25,6 +25,11 @@
   #include <mach-o/dyld.h>
 #endif
 
+#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64) &&  \
+    !defined(_LIBUNWIND_OMIT_LINUX_AARCH64_SIGRETURN_CHECK)
+#define _LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN
+#endif
+
 #if defined(_LIBUNWIND_SUPPORT_SEH_UNWIND)
 // Provide a definition for the DISPATCHER_CONTEXT struct for old (Win7 and
 // earlier) SDKs.
@@ -937,7 +942,7 @@
   }
 #endif
 
-#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#if defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
   bool setInfoForSigReturn() {
     R dummy;
     return setInfoForSigReturn(dummy);
@@ -1226,7 +1231,7 @@
   unw_proc_info_t  _info;
   bool             _unwindInfoMissing;
   bool             _isSignalFrame;
-#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#if defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
   bool             _isSigReturn = false;
 #endif
 };
@@ -1925,7 +1930,7 @@
 
 template <typename A, typename R>
 void UnwindCursor<A, R>::setInfoBasedOnIPRegister(bool isReturnAddress) {
-#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#if defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
   _isSigReturn = false;
 #endif
 
@@ -2027,7 +2032,7 @@
   }
 #endif // #if defined(_LIBUNWIND_SUPPORT_DWARF_UNWIND)
 
-#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#if defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
   if (setInfoForSigReturn())
     return;
 #endif
@@ -2036,7 +2041,7 @@
   _unwindInfoMissing = true;
 }
 
-#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#if defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
 template <typename A, typename R>
 bool UnwindCursor<A, R>::setInfoForSigReturn(Registers_arm64 &) {
   // Look for the sigreturn trampoline. The trampoline's body is two
@@ -2096,7 +2101,7 @@
   _isSignalFrame = true;
   return UNW_STEP_SUCCESS;
 }
-#endif // defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#endif // defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
 
 template <typename A, typename R>
 int UnwindCursor<A, R>::step() {
@@ -2106,7 +2111,7 @@
 
   // Use unwinding info to modify register set as if function returned.
   int result;
-#if defined(_LIBUNWIND_TARGET_LINUX) && defined(_LIBUNWIND_TARGET_AARCH64)
+#if defined(_LIBUNWIND_CHECK_LINUX_AARCH64_SIGRETURN)
   if (_isSigReturn) {
     result = this->stepThroughSigReturn();
   } else