--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libunwind/test/signal_unwind.pass.cpp	Tue Jun 08 06:07:14 2021 +0900
@@ -0,0 +1,46 @@
+// -*- C++ -*-
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// Ensure that the unwinder can cope with the signal handler.
+// REQUIRES: linux && (target-aarch64 || target-x86_64)
+
+#include <assert.h>
+#include <dlfcn.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <unwind.h>
+
+_Unwind_Reason_Code frame_handler(struct _Unwind_Context* ctx, void* arg) {
+  (void)arg;
+  Dl_info info = { 0, 0, 0, 0 };
+
+  // Unwind util the main is reached, above frames depend on the platform and
+  // architecture.
+  if (dladdr(reinterpret_cast<void *>(_Unwind_GetIP(ctx)), &info) &&
+      info.dli_sname && !strcmp("main", info.dli_sname)) {
+    _Exit(0);
+  }
+  return _URC_NO_REASON;
+}
+
+void signal_handler(int signum) {
+  (void)signum;
+  _Unwind_Backtrace(frame_handler, NULL);
+  _Exit(-1);
+}
+
+int main(int, char**) {
+  signal(SIGUSR1, signal_handler);
+  kill(getpid(), SIGUSR1);
+  return -2;
+}