55 lines
1.6 KiB
C++
55 lines
1.6 KiB
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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include <__config>
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <string>
|
|
|
|
// This file defines the legacy default debug handler and related mechanisms
|
|
// to set it. This is for backwards ABI compatibility with code that has been
|
|
// using this debug handler previously.
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_STD
|
|
|
|
struct _LIBCPP_TEMPLATE_VIS __libcpp_debug_info {
|
|
_LIBCPP_EXPORTED_FROM_ABI string what() const;
|
|
|
|
const char* __file_;
|
|
int __line_;
|
|
const char* __pred_;
|
|
const char* __msg_;
|
|
};
|
|
|
|
std::string __libcpp_debug_info::what() const {
|
|
string msg = __file_;
|
|
msg += ":" + std::to_string(__line_) + ": _LIBCPP_ASSERT '";
|
|
msg += __pred_;
|
|
msg += "' failed. ";
|
|
msg += __msg_;
|
|
return msg;
|
|
}
|
|
|
|
_LIBCPP_NORETURN _LIBCPP_EXPORTED_FROM_ABI void __libcpp_abort_debug_function(__libcpp_debug_info const& info) {
|
|
std::fprintf(stderr, "%s\n", info.what().c_str());
|
|
std::abort();
|
|
}
|
|
|
|
typedef void (*__libcpp_debug_function_type)(__libcpp_debug_info const&);
|
|
|
|
_LIBCPP_EXPORTED_FROM_ABI
|
|
constinit __libcpp_debug_function_type __libcpp_debug_function = __libcpp_abort_debug_function;
|
|
|
|
_LIBCPP_EXPORTED_FROM_ABI
|
|
bool __libcpp_set_debug_function(__libcpp_debug_function_type __func) {
|
|
__libcpp_debug_function = __func;
|
|
return true;
|
|
}
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|