libunwind/test/unw_resume.pass.cpp


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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 unw_resume() resumes execution at the stack frame identified by
// cursor.

// TODO: Investigate this failure on AIX system.
// XFAIL: target={{.*}}-aix{{.*}}

// TODO: Figure out why this fails with Memory Sanitizer.
// XFAIL: msan

// FIXME: The return address register($ra/$r1) is restored with a destroyed base
// address register($a0/$r4) in the assembly file `UnwindRegistersRestore.S` on
// LoongArch. And we will fix this issue in the next commit.
// XFAIL: target={{loongarch64-.+}}

#include <libunwind.h>

void test_unw_resume() {
  unw_context_t context;
  unw_cursor_t cursor;

  unw_getcontext(&context);
  unw_init_local(&cursor, &context);
  unw_step(&cursor);
  unw_resume(&cursor);
}

int main() {
  test_unw_resume();
  return 0;
}