mirror of
https://github.com/swift-project/pilotclient.git
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96 lines
2.8 KiB
C++
96 lines
2.8 KiB
C++
/* Copyright (C) 2015
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* swift Project Community / Contributors
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*
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* This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
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* directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
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* including this file, may be copied, modified, propagated, or distributed except according to the terms
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* contained in the LICENSE file.
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*/
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#include "blackmisc/stacktrace.h"
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#include <QMutex>
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#include <array>
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#if defined(Q_OS_WIN32)
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# include <windows.h>
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# pragma warning(push)
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# pragma warning(disable:4091)
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# include <dbghelp.h>
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# pragma warning(pop)
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#elif defined(Q_CC_GNU)
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# include <execinfo.h>
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#endif
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namespace BlackMisc
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{
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#if defined(QT_NO_DEBUG)
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QStringList getStackTrace()
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{
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return { "No stack trace with release build" };
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}
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#elif defined(Q_OS_WIN32)
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QStringList getStackTrace()
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{
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static QMutex mutex;
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QMutexLocker lock(&mutex);
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auto process = GetCurrentProcess();
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SymInitialize(process, nullptr, true);
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std::array<void*, 100> stack;
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auto frames = CaptureStackBackTrace(1, static_cast<DWORD>(stack.size()), stack.data(), nullptr);
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struct
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{
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SYMBOL_INFO info;
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std::array<char, 256> name;
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} symbol;
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symbol.info.MaxNameLen = static_cast<ULONG>(symbol.name.size() - 1);
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symbol.info.SizeOfStruct = sizeof(symbol.info);
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QStringList result;
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for (int i = 0; i < frames; ++i)
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{
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DWORD displacement = 0;
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IMAGEHLP_LINE64 line;
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line.SizeOfStruct = sizeof(line);
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SymFromAddr(process, reinterpret_cast<quintptr>(stack[i]), nullptr, &symbol.info);
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SymGetLineFromAddr64(process, reinterpret_cast<quintptr>(stack[i]), &displacement, &line);
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result.push_back(QString(symbol.info.Name) + " line " + QString::number(line.LineNumber));
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}
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return result;
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}
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#elif defined(Q_CC_GNU)
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QStringList getStackTrace()
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{
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std::array<void*, 100> stack;
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auto frames = backtrace(stack.data(), stack.size());
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auto *symbols = backtrace_symbols(stack.data(), frames);
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QStringList result;
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QString symbol;
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char *demangled = nullptr;
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size_t size = 0;
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for (int i = 0; i < frames; ++i)
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{
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symbol = symbols[i];
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int end = symbol.indexOf(' ');
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if (end > 0) { symbol.truncate(end); }
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demangled = abi::__cxa_demangle(qPrintable(symbol), demangled, &size, nullptr);
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result.push_back(demangled);
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}
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free(symbols);
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free(demangled);
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return result;
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}
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#else
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QStringList getStackTrace()
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{
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return { "No stack trace on this platform" };
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}
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#endif
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}
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