+#ifndef Q_OS_WIN32
+void handle_crash(int sig) {
+ void* callstack[128];
+ int i, frames = backtrace(callstack, 128);
+
+ QFile dumpFile(QString("Quassel-Crash-%1").arg(QDateTime::currentDateTime().toString("yyyyMMdd-hhmm.log")));
+ dumpFile.open(QIODevice::WriteOnly);
+ QTextStream dumpStream(&dumpFile);
+
+ for (i = 0; i < frames; ++i) {
+ Dl_info info;
+ dladdr (callstack[i], &info);
+ // as a reference:
+ // typedef struct
+ // {
+ // __const char *dli_fname; /* File name of defining object. */
+ // void *dli_fbase; /* Load address of that object. */
+ // __const char *dli_sname; /* Name of nearest symbol. */
+ // void *dli_saddr; /* Exact value of nearest symbol. */
+ // } Dl_info;
+
+#if __LP64__
+ int addrSize = 16;
+#else
+ int addrSize = 8;
+#endif
+
+ QString funcName;
+ if(info.dli_sname) {
+ char *func = abi::__cxa_demangle(info.dli_sname, 0, 0, 0);
+ if(func) {
+ funcName = QString(func);
+ free(func);
+ } else {
+ funcName = QString(info.dli_sname);
+ }
+ } else {
+ funcName = QString("0x%1").arg((long)info.dli_saddr, addrSize, QLatin1Char('0'));
+ }
+
+ // prettificating the filename
+ QString fileName("???");
+ if(info.dli_fname) {
+ fileName = QString(info.dli_fname);
+ int slashPos = fileName.lastIndexOf('/');
+ if(slashPos != -1)
+ fileName = fileName.mid(slashPos + 1);
+ if(fileName.count() < 20)
+ fileName += QString(20 - fileName.count(), ' ');
+ }
+
+ QString debugLine = QString("#%1 %2 0x%3 %4").arg(i, 3, 10)
+ .arg(fileName)
+ .arg((long)(callstack[i]), addrSize, 16, QLatin1Char('0'))
+ .arg(funcName);
+
+ dumpStream << debugLine << "\n";
+ qDebug() << qPrintable(debugLine);
+ }
+ dumpFile.close();
+ exit(27);
+}
+#endif // ifndef Q_OS_WIN32
+
+