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 // TODO: Investigate these failures
13 // XFAIL: asan, tsan, ubsan
14 
15 // TODO: Investigate this failure on macOS
16 // XFAIL: target={{.+}}-apple-darwin{{.+}}
17 
18 // UNSUPPORTED: libunwind-arm-ehabi
19 
20 #include <assert.h>
21 #include <stdlib.h>
22 #include <libunwind.h>
23 
24 void test() {
25   asm(".cfi_signal_frame");
26   unw_cursor_t cursor;
27   unw_context_t uc;
28   unw_getcontext(&uc);
29   unw_init_local(&cursor, &uc);
30   assert(unw_step(&cursor) > 0);
31   assert(unw_is_signal_frame(&cursor));
32 }
33 
34 int main(int, char**) {
35   test();
36   return 0;
37 }
38