1//===-- CrashReason.cpp ---------------------------------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9#include "CrashReason.h" 10 11#include "lldb/Target/UnixSignals.h" 12 13std::string GetCrashReasonString(const siginfo_t &info) { 14#if defined(si_lower) && defined(si_upper) 15 std::optional<lldb::addr_t> lower = 16 reinterpret_cast<lldb::addr_t>(info.si_lower); 17 std::optional<lldb::addr_t> upper = 18 reinterpret_cast<lldb::addr_t>(info.si_upper); 19#else 20 std::optional<lldb::addr_t> lower; 21 std::optional<lldb::addr_t> upper; 22#endif 23 24 std::string description = 25 lldb_private::UnixSignals::CreateForHost()->GetSignalDescription( 26 info.si_signo, info.si_code, 27 reinterpret_cast<uintptr_t>(info.si_addr), lower, upper); 28 assert(description.size() && "unexpected signal"); 29 30 return "signal " + description; 31} 32