1 // -*- C++ -*-
2 //===----------------------------------------------------------------------===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===----------------------------------------------------------------------===//
9 
10 // Ensure that functions marked as signal frames are reported as such.
11 
12 #include <assert.h>
13 #include <stdlib.h>
14 #include <libunwind.h>
15 
16 int main(void) {
17   asm(".cfi_signal_frame");
18   unw_cursor_t cursor;
19   unw_context_t uc;
20   unw_getcontext(&uc);
21   unw_init_local(&cursor, &uc);
22   assert(unw_step(&cursor) > 0);
23   assert(unw_is_signal_frame(&cursor));
24   return 0;
25 }
26