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Upgrade to 2022-era LLVM LIBCXX

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Justine Tunney 2024-05-27 02:12:27 -07:00
parent 2f4ca71f26
commit 8e68384e15
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GPG key ID: BE714B4575D6E328
2078 changed files with 165657 additions and 65010 deletions
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54
third_party/libcxx/src/legacy_debug_handler.cpp vendored Normal file
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//===----------------------------------------------------------------------===//
//
// 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