1 /***************************************************************************
2 * Copyright (C) 2005-2012 by the Quassel Project *
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
29 #include <QTextStream>
31 void loadHelpStackFrame(IMAGEHLP_STACK_FRAME &ihsf, const STACKFRAME64 &stackFrame)
33 ZeroMemory(&ihsf, sizeof(IMAGEHLP_STACK_FRAME));
34 ihsf.InstructionOffset = stackFrame.AddrPC.Offset;
35 ihsf.FrameOffset = stackFrame.AddrFrame.Offset;
39 BOOL CALLBACK EnumSymbolsCB(PSYMBOL_INFO symInfo, ULONG size, PVOID user)
41 QStringList *params = (QStringList *)user;
42 if (symInfo->Flags & SYMFLAG_PARAMETER) {
43 params->append(symInfo->Name);
49 struct EnumModulesContext {
52 EnumModulesContext(HANDLE hProcess, QTextStream &stream) : hProcess(hProcess), stream(stream) {}
55 BOOL CALLBACK EnumModulesCB(LPCSTR 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 #if defined(_M_IX86) && defined(Q_CC_MSVC)
79 // Disable global optimization and ignore /GS waning caused by
81 // not needed with mingw cause we can tell mingw which registers we use
82 #pragma optimize("g", off)
84 #pragma warning(disable : 4748)
86 void Quassel::logBacktrace(const QString &filename)
90 STACKFRAME64 StackFrame;
93 ZeroMemory(&Context, sizeof(CONTEXT));
94 Context.ContextFlags = CONTEXT_CONTROL;
100 "movl $Label,%%eax;\n\t"
102 : "=r" (Context.Ebp), "=r" (Context.Esp), "=r" (Context.Eip)
108 mov[Context.Ebp], ebp;
109 mov[Context.Esp], esp;
111 mov[Context.Eip], eax;
115 RtlCaptureContext(&Context);
118 ZeroMemory(&StackFrame, sizeof(STACKFRAME64));
120 MachineType = IMAGE_FILE_MACHINE_I386;
121 StackFrame.AddrPC.Offset = Context.Eip;
122 StackFrame.AddrPC.Mode = AddrModeFlat;
123 StackFrame.AddrFrame.Offset = Context.Ebp;
124 StackFrame.AddrFrame.Mode = AddrModeFlat;
125 StackFrame.AddrStack.Offset = Context.Esp;
126 StackFrame.AddrStack.Mode = AddrModeFlat;
128 MachineType = IMAGE_FILE_MACHINE_AMD64;
129 StackFrame.AddrPC.Offset = Context.Rip;
130 StackFrame.AddrPC.Mode = AddrModeFlat;
131 StackFrame.AddrFrame.Offset = Context.Rsp;
132 StackFrame.AddrFrame.Mode = AddrModeFlat;
133 StackFrame.AddrStack.Offset = Context.Rsp;
134 StackFrame.AddrStack.Mode = AddrModeFlat;
136 MachineType = IMAGE_FILE_MACHINE_IA64;
137 StackFrame.AddrPC.Offset = Context.StIIP;
138 StackFrame.AddrPC.Mode = AddrModeFlat;
139 StackFrame.AddrFrame.Offset = Context.IntSp;
140 StackFrame.AddrFrame.Mode = AddrModeFlat;
141 StackFrame.AddrBStore.Offset = Context.RsBSP;
142 StackFrame.AddrBStore.Mode = AddrModeFlat;
143 StackFrame.AddrStack.Offset = Context.IntSp;
144 StackFrame.AddrStack.Mode = AddrModeFlat;
146 #error "Unsupported platform"
149 //EnterCriticalSection(&DbgHelpLock);
151 QFile logFile(filename);
152 logFile.open(QIODevice::Append);
153 QTextStream logStream(&logFile);
155 HANDLE hProcess = GetCurrentProcess();
156 HANDLE hThread = GetCurrentThread();
157 SymInitialize(hProcess, NULL, TRUE);
159 DWORD64 dwDisplacement;
161 ULONG64 buffer[(sizeof(SYMBOL_INFO) +
162 MAX_SYM_NAME*sizeof(TCHAR) +
163 sizeof(ULONG64) - 1) / sizeof(ULONG64)];
164 PSYMBOL_INFO pSymbol = (PSYMBOL_INFO)buffer;
165 pSymbol->SizeOfStruct = sizeof(SYMBOL_INFO);
166 pSymbol->MaxNameLen = MAX_SYM_NAME;
168 IMAGEHLP_MODULE64 mod;
169 mod.SizeOfStruct = sizeof(IMAGEHLP_MODULE64);
171 IMAGEHLP_STACK_FRAME ihsf;
172 ZeroMemory(&ihsf, sizeof(IMAGEHLP_STACK_FRAME));
175 while (StackWalk64(MachineType, hProcess, hThread, &StackFrame, &Context, NULL, NULL, NULL, NULL)) {
179 loadHelpStackFrame(ihsf, StackFrame);
180 if (StackFrame.AddrPC.Offset != 0) { // Valid frame.
181 QString fileName("???");
182 if (SymGetModuleInfo64(hProcess, ihsf.InstructionOffset, &mod)) {
183 fileName = QString(mod.ImageName);
184 int slashPos = fileName.lastIndexOf('\\');
186 fileName = fileName.mid(slashPos + 1);
189 if (SymFromAddr(hProcess, ihsf.InstructionOffset, &dwDisplacement, pSymbol)) {
190 funcName = QString(pSymbol->Name);
193 funcName = QString("0x%1").arg(ihsf.InstructionOffset, 8, 16, QLatin1Char('0'));
196 SymSetContext(hProcess, &ihsf, NULL);
197 SymEnumSymbols(hProcess, 0, NULL, EnumSymbolsCB, (PVOID)¶ms);
199 QString debugLine = QString("#%1 %2 0x%3 %4(%5)").arg(i, 3, 10)
201 .arg(ihsf.InstructionOffset, 8, 16, QLatin1Char('0'))
203 .arg(params.join(", "));
204 // qDebug() << qPrintable(debugLine);
205 logStream << debugLine << '\n';
209 break; // we're at the end.
213 // qDebug() << "List of linked Modules:";
214 logStream << "\n\nList of linked Modules:\n";
215 EnumModulesContext modulesContext(hProcess, logStream);
216 SymEnumerateModules64(hProcess, EnumModulesCB, (PVOID)&modulesContext);
222 #if defined(_M_IX86) && defined(Q_CC_MSVC)
224 #pragma optimize("g", on)