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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
***/
#include "crashhandler.h"
#include <QApplication>
#include <QDir>
#include <QFile>
#include <QProcess>
#include <QStandardPaths>
#include <QTextStream>
#include <QtGlobal>
#if defined(Q_OS_WINDOWS)
#include <Windows.h>
#include <DbgHelp.h>
#include <stdio.h>
#include <stdlib.h>
#elif defined(Q_OS_MAC) || defined(Q_OS_LINUX)
#include <execinfo.h>
#endif
#include "common/filefunctions.h"
OLIVE_NAMESPACE_ENTER
void crash_handler(int sig)
{
QString log_path = QDir(FileFunctions::GetTempFilePath()).filePath(QStringLiteral("olive_crash"));
QFile output(log_path);
output.open(QFile::WriteOnly);
QTextStream ostream(&output);
#ifdef GITHASH
ostream << "Version: " << GITHASH << "\n";
#endif
ostream << "Signal: " << sig << "\n\n";
#if defined(Q_OS_WINDOWS)
// Use Windows stackwalk API
HANDLE process = GetCurrentProcess();
HANDLE thread = GetCurrentThread();
CONTEXT context;
memset(&context, 0, sizeof(CONTEXT));
context.ContextFlags = CONTEXT_FULL;
RtlCaptureContext(&context);
SymInitialize(process, NULL, TRUE);
DWORD image;
STACKFRAME64 stackframe;
ZeroMemory(&stackframe, sizeof(STACKFRAME64));
#ifdef _M_IX86
image = IMAGE_FILE_MACHINE_I386;
stackframe.AddrPC.Offset = context.Eip;
stackframe.AddrPC.Mode = AddrModeFlat;
stackframe.AddrFrame.Offset = context.Ebp;
stackframe.AddrFrame.Mode = AddrModeFlat;
stackframe.AddrStack.Offset = context.Esp;
stackframe.AddrStack.Mode = AddrModeFlat;
#elif _M_X64
image = IMAGE_FILE_MACHINE_AMD64;
stackframe.AddrPC.Offset = context.Rip;
stackframe.AddrPC.Mode = AddrModeFlat;
stackframe.AddrFrame.Offset = context.Rsp;
stackframe.AddrFrame.Mode = AddrModeFlat;
stackframe.AddrStack.Offset = context.Rsp;
stackframe.AddrStack.Mode = AddrModeFlat;
#elif _M_IA64
image = IMAGE_FILE_MACHINE_IA64;
stackframe.AddrPC.Offset = context.StIIP;
stackframe.AddrPC.Mode = AddrModeFlat;
stackframe.AddrFrame.Offset = context.IntSp;
stackframe.AddrFrame.Mode = AddrModeFlat;
stackframe.AddrBStore.Offset = context.RsBSP;
stackframe.AddrBStore.Mode = AddrModeFlat;
stackframe.AddrStack.Offset = context.IntSp;
stackframe.AddrStack.Mode = AddrModeFlat;
#endif
for (int i = 0; i < 50; i++) {
BOOL result = StackWalk64(
image, process, thread,
&stackframe, &context, NULL,
SymFunctionTableAccess64, SymGetModuleBase64, NULL);
if (!result) { break; }
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME * sizeof(TCHAR)];
PSYMBOL_INFO symbol = (PSYMBOL_INFO)buffer;
symbol->SizeOfStruct = sizeof(SYMBOL_INFO);
symbol->MaxNameLen = MAX_SYM_NAME;
DWORD64 displacement = 0;
ostream << "[" << i << "] ";
if (SymFromAddr(process, stackframe.AddrPC.Offset, &displacement, symbol)) {
ostream << symbol->Name;
//printf("[%i] %s\n", i, symbol->Name);
} else {
ostream << "???";
//printf("[%i] ???\n", i);
}
ostream << "\n";
}
SymCleanup(process);
#elif defined(Q_OS_MAC) || defined(Q_OS_LINUX)
void *array[10];
size_t size;
// get void*'s for all entries on the stack
size = backtrace(array, 10);
// print out all the frames to stderr
backtrace_symbols_fd(array, size, output.handle());
#endif
output.close();
QString crash_handler_exe = QDir(qApp->applicationDirPath()).filePath(QStringLiteral("olive-crashhandler"));
QProcess::startDetached(crash_handler_exe, {log_path});
exit(1);
}
OLIVE_NAMESPACE_EXIT
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