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// -*- 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 functions marked as signal frames are reported as such.
// TODO: Investigate this failure on Apple
// XFAIL: target={{.+}}-apple-{{.+}}
// TODO: Figure out why this fails with Memory Sanitizer.
// XFAIL: msan
// UNSUPPORTED: libunwind-arm-ehabi
// The AIX assembler does not support CFI directives, which
// are necessary to run this test.
// UNSUPPORTED: target=powerpc{{(64)?}}-ibm-aix
// Windows doesn't generally use CFI directives. However, i686
// mingw targets do use DWARF (where CFI directives are supported).
// UNSUPPORTED: target={{x86_64|arm.*|aarch64}}-{{.*}}-windows-{{.*}}
#undef NDEBUG
#include <assert.h>
#include <stdlib.h>
#include <libunwind.h>
void test() {
asm(".cfi_signal_frame");
unw_cursor_t cursor;
unw_context_t uc;
unw_getcontext(&uc);
unw_init_local(&cursor, &uc);
assert(unw_step(&cursor) > 0);
assert(unw_is_signal_frame(&cursor));
}
int main(int, char**) {
test();
return 0;
}
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