| // -*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP___VERBOSE_ABORT |
| #define _LIBCPP___VERBOSE_ABORT |
| |
| #include <__availability> |
| #include <__config> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| // Provide a default implementation of __libcpp_verbose_abort if we know that neither the built |
| // library not the user is providing one. Otherwise, just declare it and use the one from the |
| // built library or the one provided by the user. |
| // |
| // We can't provide a great implementation because it needs to be pretty much |
| // dependency-free (this is included everywhere else in the library). |
| #if defined(_LIBCPP_HAS_NO_VERBOSE_ABORT_IN_LIBRARY) && !defined(_LIBCPP_AVAILABILITY_CUSTOM_VERBOSE_ABORT_PROVIDED) |
| |
| extern "C" void abort(); |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| _LIBCPP_NORETURN _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 1, 2) _LIBCPP_HIDE_FROM_ABI inline |
| void __libcpp_verbose_abort(const char *, ...) { |
| ::abort(); |
| __builtin_unreachable(); // never reached, but needed to tell the compiler that the function never returns |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #else |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| _LIBCPP_NORETURN _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_ATTRIBUTE_FORMAT(__printf__, 1, 2) |
| void __libcpp_verbose_abort(const char *__format, ...); |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif |
| |
| #endif // _LIBCPP___VERBOSE_ABORT |
