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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#ifndef _LIBCPP___ASSERTION_HANDLER
11#define _LIBCPP___ASSERTION_HANDLER
12
13#include <__config>
14#include <__verbose_abort>
15
16#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
17#  pragma GCC system_header
18#endif
19
20// Based on CHECK_WILL_STREAM() defined in base/check.h
21#if defined(OFFICIAL_BUILD) && !defined(DCHECK_ALWAYS_ON)
22
23_LIBCPP_BEGIN_NAMESPACE_STD
24
25[[noreturn]] inline _LIBCPP_HIDE_FROM_ABI void __libcpp_hardening_failure() {
26  __builtin_trap();
27}
28
29_LIBCPP_END_NAMESPACE_STD
30
31// TODO(hardening): use `__builtin_verbose_trap(message)` once that becomes available.
32#  define _LIBCPP_ASSERTION_HANDLER(message) ((void)message, __libcpp_hardening_failure())
33
34#else
35
36#  define _LIBCPP_ASSERTION_HANDLER(message) _LIBCPP_VERBOSE_ABORT("%s", message)
37
38#endif // defined(NDEBUG) && defined(OFFICIAL_BUILD) && !defined(DCHECK_ALWAYS_ON)
39
40#endif // _LIBCPP___ASSERTION_HANDLER
41