mirror of
https://github.com/TrinityCore/TrinityCore.git
synced 2026-01-20 17:27:36 +01:00
Core/CrashHandler: Log STACK_OVERFLOW crashes
Try to log STACK_OVERFLOW crashes by allocating log buffer on the heap which should still be in a valid state with a stack overflow exception. This will probably still not produce a complete crash report with details about all stackframes.
This commit is contained in:
jackpoz
@@ -61,6 +61,7 @@ HANDLE WheatyExceptionReport::m_hDumpFile;
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HANDLE WheatyExceptionReport::m_hProcess;
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SymbolPairs WheatyExceptionReport::symbols;
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std::stack<SymbolDetail> WheatyExceptionReport::symbolDetails;
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bool WheatyExceptionReport::stackOverflowException;
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// Declare global instance of class
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WheatyExceptionReport g_WheatyExceptionReport;
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@@ -72,6 +73,7 @@ WheatyExceptionReport::WheatyExceptionReport() // Constructor
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// Install the unhandled exception filter function
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m_previousFilter = SetUnhandledExceptionFilter(WheatyUnhandledExceptionFilter);
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m_hProcess = GetCurrentProcess();
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stackOverflowException = false;
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if (!IsDebuggerPresent())
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{
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_CrtSetReportMode(_CRT_ERROR, _CRTDBG_MODE_FILE);
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@@ -97,6 +99,9 @@ WheatyExceptionReport::~WheatyExceptionReport()
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LONG WINAPI WheatyExceptionReport::WheatyUnhandledExceptionFilter(
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PEXCEPTION_POINTERS pExceptionInfo)
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{
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if (pExceptionInfo->ExceptionRecord->ExceptionCode == STATUS_STACK_OVERFLOW)
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stackOverflowException = true;
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TCHAR module_folder_name[MAX_PATH];
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GetModuleFileName(0, module_folder_name, MAX_PATH);
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TCHAR* pos = _tcsrchr(module_folder_name, '\\');
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@@ -419,107 +424,114 @@ void WheatyExceptionReport::printTracesForAllThreads(bool bWriteVariables)
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void WheatyExceptionReport::GenerateExceptionReport(
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PEXCEPTION_POINTERS pExceptionInfo)
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{
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SYSTEMTIME systime;
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GetLocalTime(&systime);
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__try
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{
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SYSTEMTIME systime;
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GetLocalTime(&systime);
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// Start out with a banner
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_tprintf(_T("Revision: %s\r\n"), _FULLVERSION);
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_tprintf(_T("Date %u:%u:%u. Time %u:%u \r\n"), systime.wDay, systime.wMonth, systime.wYear, systime.wHour, systime.wMinute);
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PEXCEPTION_RECORD pExceptionRecord = pExceptionInfo->ExceptionRecord;
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// Start out with a banner
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_tprintf(_T("Revision: %s\r\n"), _FULLVERSION);
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_tprintf(_T("Date %u:%u:%u. Time %u:%u \r\n"), systime.wDay, systime.wMonth, systime.wYear, systime.wHour, systime.wMinute);
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PEXCEPTION_RECORD pExceptionRecord = pExceptionInfo->ExceptionRecord;
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PrintSystemInfo();
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// First print information about the type of fault
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_tprintf(_T("\r\n//=====================================================\r\n"));
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_tprintf(_T("Exception code: %08X %s\r\n"),
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pExceptionRecord->ExceptionCode,
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GetExceptionString(pExceptionRecord->ExceptionCode));
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PrintSystemInfo();
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// First print information about the type of fault
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_tprintf(_T("\r\n//=====================================================\r\n"));
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_tprintf(_T("Exception code: %08X %s\r\n"),
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pExceptionRecord->ExceptionCode,
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GetExceptionString(pExceptionRecord->ExceptionCode));
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// Now print information about where the fault occured
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TCHAR szFaultingModule[MAX_PATH];
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DWORD section;
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DWORD_PTR offset;
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GetLogicalAddress(pExceptionRecord->ExceptionAddress,
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szFaultingModule,
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sizeof(szFaultingModule),
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section, offset);
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// Now print information about where the fault occured
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TCHAR szFaultingModule[MAX_PATH];
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DWORD section;
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DWORD_PTR offset;
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GetLogicalAddress(pExceptionRecord->ExceptionAddress,
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szFaultingModule,
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sizeof(szFaultingModule),
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section, offset);
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#ifdef _M_IX86
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_tprintf(_T("Fault address: %08X %02X:%08X %s\r\n"),
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pExceptionRecord->ExceptionAddress,
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section, offset, szFaultingModule);
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_tprintf(_T("Fault address: %08X %02X:%08X %s\r\n"),
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pExceptionRecord->ExceptionAddress,
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section, offset, szFaultingModule);
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#endif
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#ifdef _M_X64
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_tprintf(_T("Fault address: %016I64X %02X:%016I64X %s\r\n"),
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pExceptionRecord->ExceptionAddress,
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section, offset, szFaultingModule);
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_tprintf(_T("Fault address: %016I64X %02X:%016I64X %s\r\n"),
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pExceptionRecord->ExceptionAddress,
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section, offset, szFaultingModule);
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#endif
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PCONTEXT pCtx = pExceptionInfo->ContextRecord;
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PCONTEXT pCtx = pExceptionInfo->ContextRecord;
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// Show the registers
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#ifdef _M_IX86 // X86 Only!
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_tprintf(_T("\r\nRegisters:\r\n"));
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// Show the registers
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#ifdef _M_IX86 // X86 Only!
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_tprintf(_T("\r\nRegisters:\r\n"));
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_tprintf(_T("EAX:%08X\r\nEBX:%08X\r\nECX:%08X\r\nEDX:%08X\r\nESI:%08X\r\nEDI:%08X\r\n")
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, pCtx->Eax, pCtx->Ebx, pCtx->Ecx, pCtx->Edx,
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pCtx->Esi, pCtx->Edi);
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_tprintf(_T("EAX:%08X\r\nEBX:%08X\r\nECX:%08X\r\nEDX:%08X\r\nESI:%08X\r\nEDI:%08X\r\n")
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, pCtx->Eax, pCtx->Ebx, pCtx->Ecx, pCtx->Edx,
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pCtx->Esi, pCtx->Edi);
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_tprintf(_T("CS:EIP:%04X:%08X\r\n"), pCtx->SegCs, pCtx->Eip);
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_tprintf(_T("SS:ESP:%04X:%08X EBP:%08X\r\n"),
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pCtx->SegSs, pCtx->Esp, pCtx->Ebp);
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_tprintf(_T("DS:%04X ES:%04X FS:%04X GS:%04X\r\n"),
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pCtx->SegDs, pCtx->SegEs, pCtx->SegFs, pCtx->SegGs);
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_tprintf(_T("Flags:%08X\r\n"), pCtx->EFlags);
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#endif
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_tprintf(_T("CS:EIP:%04X:%08X\r\n"), pCtx->SegCs, pCtx->Eip);
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_tprintf(_T("SS:ESP:%04X:%08X EBP:%08X\r\n"),
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pCtx->SegSs, pCtx->Esp, pCtx->Ebp);
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_tprintf(_T("DS:%04X ES:%04X FS:%04X GS:%04X\r\n"),
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pCtx->SegDs, pCtx->SegEs, pCtx->SegFs, pCtx->SegGs);
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_tprintf(_T("Flags:%08X\r\n"), pCtx->EFlags);
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#endif
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#ifdef _M_X64
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_tprintf(_T("\r\nRegisters:\r\n"));
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_tprintf(_T("RAX:%016I64X\r\nRBX:%016I64X\r\nRCX:%016I64X\r\nRDX:%016I64X\r\nRSI:%016I64X\r\nRDI:%016I64X\r\n")
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_T("R8: %016I64X\r\nR9: %016I64X\r\nR10:%016I64X\r\nR11:%016I64X\r\nR12:%016I64X\r\nR13:%016I64X\r\nR14:%016I64X\r\nR15:%016I64X\r\n")
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, pCtx->Rax, pCtx->Rbx, pCtx->Rcx, pCtx->Rdx,
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pCtx->Rsi, pCtx->Rdi, pCtx->R9, pCtx->R10, pCtx->R11, pCtx->R12, pCtx->R13, pCtx->R14, pCtx->R15);
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_tprintf(_T("CS:RIP:%04X:%016I64X\r\n"), pCtx->SegCs, pCtx->Rip);
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_tprintf(_T("SS:RSP:%04X:%016X RBP:%08X\r\n"),
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pCtx->SegSs, pCtx->Rsp, pCtx->Rbp);
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_tprintf(_T("DS:%04X ES:%04X FS:%04X GS:%04X\r\n"),
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pCtx->SegDs, pCtx->SegEs, pCtx->SegFs, pCtx->SegGs);
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_tprintf(_T("Flags:%08X\r\n"), pCtx->EFlags);
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#endif
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#ifdef _M_X64
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_tprintf(_T("\r\nRegisters:\r\n"));
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_tprintf(_T("RAX:%016I64X\r\nRBX:%016I64X\r\nRCX:%016I64X\r\nRDX:%016I64X\r\nRSI:%016I64X\r\nRDI:%016I64X\r\n")
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_T("R8: %016I64X\r\nR9: %016I64X\r\nR10:%016I64X\r\nR11:%016I64X\r\nR12:%016I64X\r\nR13:%016I64X\r\nR14:%016I64X\r\nR15:%016I64X\r\n")
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, pCtx->Rax, pCtx->Rbx, pCtx->Rcx, pCtx->Rdx,
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pCtx->Rsi, pCtx->Rdi, pCtx->R9, pCtx->R10, pCtx->R11, pCtx->R12, pCtx->R13, pCtx->R14, pCtx->R15);
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_tprintf(_T("CS:RIP:%04X:%016I64X\r\n"), pCtx->SegCs, pCtx->Rip);
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_tprintf(_T("SS:RSP:%04X:%016X RBP:%08X\r\n"),
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pCtx->SegSs, pCtx->Rsp, pCtx->Rbp);
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_tprintf(_T("DS:%04X ES:%04X FS:%04X GS:%04X\r\n"),
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pCtx->SegDs, pCtx->SegEs, pCtx->SegFs, pCtx->SegGs);
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_tprintf(_T("Flags:%08X\r\n"), pCtx->EFlags);
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#endif
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SymSetOptions(SYMOPT_DEFERRED_LOADS);
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SymSetOptions(SYMOPT_DEFERRED_LOADS);
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// Initialize DbgHelp
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if (!SymInitialize(GetCurrentProcess(), 0, TRUE))
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{
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_tprintf(_T("\n\rCRITICAL ERROR.\n\r Couldn't initialize the symbol handler for process.\n\rError [%s].\n\r\n\r"),
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ErrorMessage(GetLastError()));
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}
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// Initialize DbgHelp
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if (!SymInitialize(GetCurrentProcess(), 0, TRUE))
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{
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_tprintf(_T("\n\rCRITICAL ERROR.\n\r Couldn't initialize the symbol handler for process.\n\rError [%s].\n\r\n\r"),
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ErrorMessage(GetLastError()));
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}
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CONTEXT trashableContext = *pCtx;
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CONTEXT trashableContext = *pCtx;
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WriteStackDetails(&trashableContext, false, NULL);
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printTracesForAllThreads(false);
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WriteStackDetails(&trashableContext, false, NULL);
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printTracesForAllThreads(false);
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// #ifdef _M_IX86 // X86 Only!
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// #ifdef _M_IX86 // X86 Only!
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_tprintf(_T("========================\r\n"));
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_tprintf(_T("Local Variables And Parameters\r\n"));
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_tprintf(_T("========================\r\n"));
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_tprintf(_T("Local Variables And Parameters\r\n"));
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trashableContext = *pCtx;
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WriteStackDetails(&trashableContext, true, NULL);
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printTracesForAllThreads(true);
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trashableContext = *pCtx;
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WriteStackDetails(&trashableContext, true, NULL);
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printTracesForAllThreads(true);
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/*_tprintf(_T("========================\r\n"));
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_tprintf(_T("Global Variables\r\n"));
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/*_tprintf(_T("========================\r\n"));
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_tprintf(_T("Global Variables\r\n"));
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SymEnumSymbols(GetCurrentProcess(),
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SymEnumSymbols(GetCurrentProcess(),
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(UINT_PTR)GetModuleHandle(szFaultingModule),
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0, EnumerateSymbolsCallback, 0);*/
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// #endif // X86 Only!
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// #endif // X86 Only!
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SymCleanup(GetCurrentProcess());
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SymCleanup(GetCurrentProcess());
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_tprintf(_T("\r\n"));
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_tprintf(_T("\r\n"));
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}
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__except (EXCEPTION_EXECUTE_HANDLER)
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{
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_tprintf(_T("Error writing the crash log\r\n"));
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}
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}
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//======================================================================
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@@ -1313,20 +1325,47 @@ DWORD_PTR WheatyExceptionReport::DereferenceUnsafePointer(DWORD_PTR address)
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//============================================================================
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int __cdecl WheatyExceptionReport::_tprintf(const TCHAR * format, ...)
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{
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TCHAR szBuff[WER_LARGE_BUFFER_SIZE];
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int retValue;
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va_list argptr;
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va_start(argptr, format);
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if (stackOverflowException)
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{
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retValue = heapprintf(format, argptr);
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va_end(argptr);
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}
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else
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{
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retValue = stackprintf(format, argptr);
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va_end(argptr);
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}
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return retValue;
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}
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int __cdecl WheatyExceptionReport::stackprintf(const TCHAR * format, va_list argptr)
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{
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int retValue;
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DWORD cbWritten;
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va_list argptr;
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va_start(argptr, format);
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TCHAR szBuff[WER_LARGE_BUFFER_SIZE];
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retValue = vsprintf(szBuff, format, argptr);
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va_end(argptr);
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WriteFile(m_hReportFile, szBuff, retValue * sizeof(TCHAR), &cbWritten, 0);
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return retValue;
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}
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int __cdecl WheatyExceptionReport::heapprintf(const TCHAR * format, va_list argptr)
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{
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int retValue;
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DWORD cbWritten;
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TCHAR* szBuff = (TCHAR*)malloc(sizeof(TCHAR) * WER_LARGE_BUFFER_SIZE);
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retValue = vsprintf(szBuff, format, argptr);
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WriteFile(m_hReportFile, szBuff, retValue * sizeof(TCHAR), &cbWritten, 0);
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free(szBuff);
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return retValue;
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}
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bool WheatyExceptionReport::StoreSymbol(DWORD type, DWORD_PTR offset)
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{
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return symbols.insert(SymbolPair(type, offset)).second;
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@@ -178,6 +178,8 @@ class WheatyExceptionReport
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static DWORD_PTR DereferenceUnsafePointer(DWORD_PTR address);
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static int __cdecl _tprintf(const TCHAR * format, ...);
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static int __cdecl stackprintf(const TCHAR * format, va_list argptr);
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static int __cdecl heapprintf(const TCHAR * format, va_list argptr);
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static bool StoreSymbol(DWORD type , DWORD_PTR offset);
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static void ClearSymbols();
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@@ -191,6 +193,7 @@ class WheatyExceptionReport
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static HANDLE m_hProcess;
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static SymbolPairs symbols;
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static std::stack<SymbolDetail> symbolDetails;
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static bool stackOverflowException;
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static char* PushSymbolDetail(char* pszCurrBuffer);
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static char* PopSymbolDetail(char* pszCurrBuffer);
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