1 /***************************************************************************
2 * Copyright (C) 2005-08 by the Quassel IRC Team *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
29 #include <QTextStream>
31 void loadHelpStackFrame(IMAGEHLP_STACK_FRAME &ihsf, const STACKFRAME64 &stackFrame) {
32 ZeroMemory(&ihsf, sizeof(IMAGEHLP_STACK_FRAME));
33 ihsf.InstructionOffset = stackFrame.AddrPC.Offset;
34 ihsf.FrameOffset = stackFrame.AddrFrame.Offset;
37 BOOL CALLBACK EnumSymbolsCB(PSYMBOL_INFO symInfo, ULONG size, PVOID user) {
38 QStringList *params = (QStringList *)user;
39 if(symInfo->Flags & SYMFLAG_PARAMETER) {
40 params->append(symInfo->Name);
46 struct EnumModulesContext {
49 EnumModulesContext(HANDLE hProcess, QTextStream &stream) : hProcess(hProcess), stream(stream) {}
53 BOOL CALLBACK EnumModulesCB(PCTSTR ModuleName, DWORD64 BaseOfDll, PVOID UserContext) {
55 BOOL CALLBACK EnumModulesCB(PSTR ModuleName, DWORD64 BaseOfDll, PVOID UserContext) {
57 IMAGEHLP_MODULE64 mod;
58 EnumModulesContext *context = (EnumModulesContext *)UserContext;
59 mod.SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
60 if(SymGetModuleInfo64(context->hProcess, BaseOfDll, &mod)) {
61 QString line = QString("%1 0x%2 Image: %3").arg(mod.ModuleName, -14)
62 .arg(BaseOfDll, 8, 16, QLatin1Char('0'))
63 .arg(mod.LoadedImageName);
64 // qDebug() << qPrintable(line);
65 context->stream << line << '\n';
67 QString pdbName(mod.LoadedPdbName);
68 if(!pdbName.isEmpty()) {
69 QString line2 = QString("%1 %2").arg("", 32).arg(pdbName);
70 // qDebug() << qPrintable(line2);
71 context->stream << line2 << '\n';
78 // Disable global optimization and ignore /GS waning caused by
80 #pragma optimize("g", off)
82 #pragma warning(disable : 4748)
84 void Quassel::logBacktrace(const QString &filename) {
87 STACKFRAME64 StackFrame;
90 ZeroMemory(&Context, sizeof(CONTEXT));
91 Context.ContextFlags = CONTEXT_CONTROL;
94 mov [Context.Ebp], ebp;
95 mov [Context.Esp], esp;
97 mov [Context.Eip], eax;
100 RtlCaptureContext(&Context);
103 ZeroMemory(&StackFrame, sizeof(STACKFRAME64));
105 MachineType = IMAGE_FILE_MACHINE_I386;
106 StackFrame.AddrPC.Offset = Context.Eip;
107 StackFrame.AddrPC.Mode = AddrModeFlat;
108 StackFrame.AddrFrame.Offset = Context.Ebp;
109 StackFrame.AddrFrame.Mode = AddrModeFlat;
110 StackFrame.AddrStack.Offset = Context.Esp;
111 StackFrame.AddrStack.Mode = AddrModeFlat;
113 MachineType = IMAGE_FILE_MACHINE_AMD64;
114 StackFrame.AddrPC.Offset = Context.Rip;
115 StackFrame.AddrPC.Mode = AddrModeFlat;
116 StackFrame.AddrFrame.Offset = Context.Rsp;
117 StackFrame.AddrFrame.Mode = AddrModeFlat;
118 StackFrame.AddrStack.Offset = Context.Rsp;
119 StackFrame.AddrStack.Mode = AddrModeFlat;
121 MachineType = IMAGE_FILE_MACHINE_IA64;
122 StackFrame.AddrPC.Offset = Context.StIIP;
123 StackFrame.AddrPC.Mode = AddrModeFlat;
124 StackFrame.AddrFrame.Offset = Context.IntSp;
125 StackFrame.AddrFrame.Mode = AddrModeFlat;
126 StackFrame.AddrBStore.Offset= Context.RsBSP;
127 StackFrame.AddrBStore.Mode = AddrModeFlat;
128 StackFrame.AddrStack.Offset = Context.IntSp;
129 StackFrame.AddrStack.Mode = AddrModeFlat;
131 #error "Unsupported platform"
134 //EnterCriticalSection(&DbgHelpLock);
136 QFile logFile(filename);
137 logFile.open(QIODevice::Append);
138 QTextStream logStream(&logFile);
140 HANDLE hProcess = GetCurrentProcess();
141 HANDLE hThread = GetCurrentThread();
142 SymInitialize(hProcess, NULL, TRUE);
144 DWORD64 dwDisplacement;
146 ULONG64 buffer[(sizeof(SYMBOL_INFO) +
147 MAX_SYM_NAME*sizeof(TCHAR) +
148 sizeof(ULONG64) - 1) / sizeof(ULONG64)];
149 PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
150 pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
151 pSymbol->MaxNameLen = MAX_SYM_NAME;
153 IMAGEHLP_MODULE64 mod;
154 mod.SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
156 IMAGEHLP_STACK_FRAME ihsf;
157 ZeroMemory(&ihsf, sizeof(IMAGEHLP_STACK_FRAME));
160 while(StackWalk64(MachineType, hProcess, hThread, &StackFrame, &Context, NULL, NULL, NULL, NULL)) {
164 loadHelpStackFrame(ihsf, StackFrame);
165 if(StackFrame.AddrPC.Offset != 0) { // Valid frame.
167 QString fileName("???");
168 if(SymGetModuleInfo64(hProcess, ihsf.InstructionOffset, &mod)) {
169 fileName = QString(mod.ImageName);
170 int slashPos = fileName.lastIndexOf('\\');
172 fileName = fileName.mid(slashPos + 1);
175 if(SymFromAddr(hProcess, ihsf.InstructionOffset, &dwDisplacement, pSymbol)) {
176 funcName = QString(pSymbol->Name);
178 funcName = QString("0x%1").arg(ihsf.InstructionOffset, 8, 16, QLatin1Char('0'));
181 SymSetContext(hProcess, &ihsf, NULL);
182 SymEnumSymbols(hProcess, 0, NULL, EnumSymbolsCB, (PVOID)¶ms);
184 QString debugLine = QString("#%1 %2 0x%3 %4(%5)").arg(i, 3, 10)
186 .arg(ihsf.InstructionOffset, 8, 16, QLatin1Char('0'))
188 .arg(params.join(", "));
189 // qDebug() << qPrintable(debugLine);
190 logStream << debugLine << '\n';
193 break; // we're at the end.
197 // qDebug() << "List of linked Modules:";
198 logStream << "\n\nList of linked Modules:\n";
199 EnumModulesContext modulesContext(hProcess, logStream);
200 SymEnumerateModules64(hProcess, EnumModulesCB, (PVOID)&modulesContext);
206 #pragma optimize("g", on)