diff options
| -rw-r--r-- | NorthstarDLL/dllmain.cpp | 4 | ||||
| -rw-r--r-- | NorthstarDLL/logging/crashhandler.cpp | 791 | ||||
| -rw-r--r-- | NorthstarDLL/logging/crashhandler.h | 107 |
3 files changed, 592 insertions, 310 deletions
diff --git a/NorthstarDLL/dllmain.cpp b/NorthstarDLL/dllmain.cpp index 87c72dcf..cfcc1a8c 100644 --- a/NorthstarDLL/dllmain.cpp +++ b/NorthstarDLL/dllmain.cpp @@ -49,7 +49,9 @@ bool InitialiseNorthstar() InitialiseVersion(); CreateLogFiles(); - InitialiseCrashHandler(); + g_pCrashHandler = new CCrashHandler(); + bool bAllFatal = strstr(GetCommandLineA(), "-crash_handle_all") != NULL; + g_pCrashHandler->SetAllFatal(bAllFatal); // Write launcher version to log StartupLog(); diff --git a/NorthstarDLL/logging/crashhandler.cpp b/NorthstarDLL/logging/crashhandler.cpp index 5d120d1f..5dec315a 100644 --- a/NorthstarDLL/logging/crashhandler.cpp +++ b/NorthstarDLL/logging/crashhandler.cpp @@ -1,377 +1,586 @@ #include "crashhandler.h" -#include "dedicated/dedicated.h" #include "config/profile.h" +#include "dedicated/dedicated.h" #include "util/version.h" #include "mods/modmanager.h" +#include "plugins/plugins.h" #include <minidumpapiset.h> -HANDLE hExceptionFilter; - -std::shared_ptr<ExceptionLog> storedException {}; - -#define RUNTIME_EXCEPTION 3765269347 -// clang format did this :/ -std::map<int, std::string> ExceptionNames = { - {EXCEPTION_ACCESS_VIOLATION, "Access Violation"}, {EXCEPTION_IN_PAGE_ERROR, "Access Violation"}, - {EXCEPTION_ARRAY_BOUNDS_EXCEEDED, "Array bounds exceeded"}, {EXCEPTION_DATATYPE_MISALIGNMENT, "Datatype misalignment"}, - {EXCEPTION_FLT_DENORMAL_OPERAND, "Denormal operand"}, {EXCEPTION_FLT_DIVIDE_BY_ZERO, "Divide by zero (float)"}, - {EXCEPTION_FLT_INEXACT_RESULT, "Inexact float result"}, {EXCEPTION_FLT_INVALID_OPERATION, "Invalid operation"}, - {EXCEPTION_FLT_OVERFLOW, "Numeric overflow (float)"}, {EXCEPTION_FLT_STACK_CHECK, "Stack check"}, - {EXCEPTION_FLT_UNDERFLOW, "Numeric underflow (float)"}, {EXCEPTION_ILLEGAL_INSTRUCTION, "Illegal instruction"}, - {EXCEPTION_INT_DIVIDE_BY_ZERO, "Divide by zero (int)"}, {EXCEPTION_INT_OVERFLOW, "Numeric overfloat (int)"}, - {EXCEPTION_INVALID_DISPOSITION, "Invalid disposition"}, {EXCEPTION_NONCONTINUABLE_EXCEPTION, "Non-continuable exception"}, - {EXCEPTION_PRIV_INSTRUCTION, "Priviledged instruction"}, {EXCEPTION_STACK_OVERFLOW, "Stack overflow"}, - {RUNTIME_EXCEPTION, "Uncaught runtime exception:"}, -}; - -void PrintExceptionLog(ExceptionLog& exc) +#define CRASHHANDLER_MAX_FRAMES 32 +#define CRASHHANDLER_GETMODULEHANDLE_FAIL "GetModuleHandleExA failed!" + +//----------------------------------------------------------------------------- +// Purpose: Vectored exception callback +//----------------------------------------------------------------------------- +LONG WINAPI ExceptionFilter(EXCEPTION_POINTERS* pExceptionInfo) { - // General crash message - spdlog::error("Northstar version: {}", version); - spdlog::error("Northstar has crashed! a minidump has been written and exception info is available below:"); - if (g_pModManager) + g_pCrashHandler->Lock(); + + g_pCrashHandler->SetExceptionInfos(pExceptionInfo); + + // Check if we should handle this + // NOTE [Fifty]: This gets called before even a try{} catch() {} can handle an exception + // we don't handle these unless "-crash_handle_all" is passed as a launch arg + if (!g_pCrashHandler->IsExceptionFatal() && !g_pCrashHandler->GetAllFatal()) { - spdlog::error("Loaded mods: "); - for (const auto& mod : g_pModManager->m_LoadedMods) - { - if (mod.m_bEnabled) - { - spdlog::error("{} {}", mod.Name, mod.Version); - } - } + g_pCrashHandler->Unlock(); + return EXCEPTION_CONTINUE_SEARCH; } - spdlog::error(exc.cause); - // If this was a runtime error, print the message - if (exc.runtimeInfo.length() != 0) - spdlog::error("\"{}\"", exc.runtimeInfo); - spdlog::error("At: {} + {}", exc.trace[0].name, exc.trace[0].relativeAddress); - spdlog::error(""); - spdlog::error("Stack trace:"); - - // Generate format string for stack trace - std::stringstream formatString; - formatString << " {:<" << exc.longestModuleNameLength + 2 << "} {:<" << exc.longestRelativeAddressLength << "} {}"; - std::string guide = fmt::format(formatString.str(), "Module Name", "Offset", "Full Address"); - std::string line(guide.length() + 2, '-'); - spdlog::error(guide); - spdlog::error(line); - - for (const auto& module : exc.trace) - spdlog::error(formatString.str(), module.name, module.relativeAddress, module.address); - - // Print dump of most CPU registers - spdlog::error(""); - for (const auto& reg : exc.registerDump) - spdlog::error(reg); - if (!IsDedicatedServer()) - MessageBoxA( - 0, - "Northstar has crashed! Crash info can be found in R2Northstar/logs", - "Northstar has crashed!", - MB_ICONERROR | MB_OK | MB_SYSTEMMODAL); + // Don't run if a debbuger is attached + if (IsDebuggerPresent()) + { + g_pCrashHandler->Unlock(); + return EXCEPTION_CONTINUE_SEARCH; + } + // Prevent recursive calls + if (g_pCrashHandler->GetState()) + { + g_pCrashHandler->Unlock(); + ExitProcess(1); + } + + g_pCrashHandler->SetState(true); + + // Needs to be called first as we use the members this sets later on + g_pCrashHandler->SetCrashedModule(); + + // Format + g_pCrashHandler->FormatException(); + g_pCrashHandler->FormatCallstack(); + g_pCrashHandler->FormatRegisters(); + g_pCrashHandler->FormatLoadedMods(); + g_pCrashHandler->FormatLoadedPlugins(); + g_pCrashHandler->FormatModules(); + + // Flush NS::log::FlushLoggers(); + + // Write minidump + g_pCrashHandler->WriteMinidump(); + + // Show message box + g_pCrashHandler->ShowPopUpMessage(); + + g_pCrashHandler->Unlock(); + + // We showed the "Northstar has crashed" message box + // make sure we terminate + if (!g_pCrashHandler->IsExceptionFatal()) + ExitProcess(1); + + return EXCEPTION_EXECUTE_HANDLER; } -std::string GetExceptionName(ExceptionLog& exc) +//----------------------------------------------------------------------------- +// Purpose: console control signal handler +//----------------------------------------------------------------------------- +BOOL WINAPI ConsoleCtrlRoutine(DWORD dwCtrlType) { - const DWORD exceptionCode = exc.exceptionRecord.ExceptionCode; - auto name = ExceptionNames[exceptionCode]; - if (exceptionCode == EXCEPTION_ACCESS_VIOLATION || exceptionCode == EXCEPTION_IN_PAGE_ERROR) + // NOTE [Fifty]: When closing the process by closing the console we don't want + // to trigger the crash handler so we remove it + switch (dwCtrlType) { - std::stringstream returnString; - returnString << name << ": "; - - auto exceptionInfo0 = exc.exceptionRecord.ExceptionInformation[0]; - auto exceptionInfo1 = exc.exceptionRecord.ExceptionInformation[1]; - - if (!exceptionInfo0) - returnString << "Attempted to read from: 0x" << (void*)exceptionInfo1; - else if (exceptionInfo0 == 1) - returnString << "Attempted to write to: 0x" << (void*)exceptionInfo1; - else if (exceptionInfo0 == 8) - returnString << "Data Execution Prevention (DEP) at: 0x" << (void*)std::hex << exceptionInfo1; - else - returnString << "Unknown access violation at: 0x" << (void*)exceptionInfo1; - return returnString.str(); + case CTRL_CLOSE_EVENT: + spdlog::info("Exiting due to console close..."); + delete g_pCrashHandler; + g_pCrashHandler = nullptr; + std::exit(EXIT_SUCCESS); + return TRUE; } - return name; + + return FALSE; } -// Custom formatter for the Xmm registers -template <> struct fmt::formatter<M128A> : fmt::formatter<string_view> +//----------------------------------------------------------------------------- +// Purpose: Constructor +//----------------------------------------------------------------------------- +CCrashHandler::CCrashHandler() + : m_hExceptionFilter(nullptr), m_pExceptionInfos(nullptr), m_bHasSetConsolehandler(false), m_bAllExceptionsFatal(false), + m_bHasShownCrashMsg(false), m_bState(false) { - template <typename FormatContext> auto format(const M128A& obj, FormatContext& ctx) - { - // Masking the top and bottom half of the long long - int v1 = obj.Low & INT_MAX; - int v2 = obj.Low >> 32; - int v3 = obj.High & INT_MAX; - int v4 = obj.High >> 32; - return fmt::format_to( - ctx.out(), - "[ {:G}, {:G}, {:G}, {:G}], [ 0x{:x}, 0x{:x}, 0x{:x}, 0x{:x} ]", - *reinterpret_cast<float*>(&v1), - *reinterpret_cast<float*>(&v2), - *reinterpret_cast<float*>(&v3), - *reinterpret_cast<float*>(&v4), - v1, - v2, - v3, - v4); - } -}; + Init(); +} -void GenerateTrace(ExceptionLog& exc, bool skipErrorHandlingFrames = true, int numSkipFrames = 0) +//----------------------------------------------------------------------------- +// Purpose: Destructor +//----------------------------------------------------------------------------- +CCrashHandler::~CCrashHandler() { + Shutdown(); +} - MODULEINFO crashedModuleInfo; - GetModuleInformation(GetCurrentProcess(), exc.crashedModule, &crashedModuleInfo, sizeof(crashedModuleInfo)); - - char crashedModuleFullName[MAX_PATH]; - GetModuleFileNameExA(GetCurrentProcess(), exc.crashedModule, crashedModuleFullName, MAX_PATH); - char* crashedModuleName = strrchr(crashedModuleFullName, '\\') + 1; - - DWORD64 crashedModuleOffset = ((DWORD64)exc.exceptionRecord.ExceptionAddress) - ((DWORD64)crashedModuleInfo.lpBaseOfDll); - - PVOID framesToCapture[62]; - int frames = RtlCaptureStackBackTrace(0, 62, framesToCapture, NULL); - bool haveSkippedErrorHandlingFrames = false; +//----------------------------------------------------------------------------- +// Purpose: Initilazes crash handler +//----------------------------------------------------------------------------- +void CCrashHandler::Init() +{ + m_hExceptionFilter = AddVectoredExceptionHandler(TRUE, ExceptionFilter); + m_bHasSetConsolehandler = SetConsoleCtrlHandler(ConsoleCtrlRoutine, TRUE); +} - for (int i = 0; i < frames; i++) +//----------------------------------------------------------------------------- +// Purpose: Shutdowns crash handler +//----------------------------------------------------------------------------- +void CCrashHandler::Shutdown() +{ + if (m_hExceptionFilter) { + RemoveVectoredExceptionHandler(m_hExceptionFilter); + m_hExceptionFilter = nullptr; + } - HMODULE backtraceModuleHandle; - GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(framesToCapture[i]), &backtraceModuleHandle); + if (m_bHasSetConsolehandler) + { + SetConsoleCtrlHandler(ConsoleCtrlRoutine, FALSE); + } +} - char backtraceModuleFullName[MAX_PATH]; - GetModuleFileNameExA(GetCurrentProcess(), backtraceModuleHandle, backtraceModuleFullName, MAX_PATH); - char* backtraceModuleName = strrchr(backtraceModuleFullName, '\\') + 1; +//----------------------------------------------------------------------------- +// Purpose: Sets the exception info +//----------------------------------------------------------------------------- +void CCrashHandler::SetExceptionInfos(EXCEPTION_POINTERS* pExceptionPointers) +{ + m_pExceptionInfos = pExceptionPointers; +} +//----------------------------------------------------------------------------- +// Purpose: Sets the exception stirngs for message box +//----------------------------------------------------------------------------- +void CCrashHandler::SetCrashedModule() +{ + LPCSTR pCrashAddress = static_cast<LPCSTR>(m_pExceptionInfos->ExceptionRecord->ExceptionAddress); + HMODULE hCrashedModule; + if (!GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, pCrashAddress, &hCrashedModule)) + { + m_svCrashedModule = CRASHHANDLER_GETMODULEHANDLE_FAIL; + m_svCrashedOffset = ""; - if (!haveSkippedErrorHandlingFrames) + DWORD dwErrorID = GetLastError(); + if (dwErrorID != 0) { - if (!strncmp(backtraceModuleFullName, crashedModuleFullName, MAX_PATH) && - !strncmp(backtraceModuleName, crashedModuleName, MAX_PATH)) - { - haveSkippedErrorHandlingFrames = true; - } - else + LPSTR pszBuffer; + DWORD dwSize = FormatMessageA( + FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, + dwErrorID, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + (LPSTR)&pszBuffer, + 0, + NULL); + + if (dwSize > 0) { - continue; + m_svError = pszBuffer; + LocalFree(pszBuffer); } } - if (numSkipFrames > 0) - { - numSkipFrames--; - continue; - } + return; + } - void* actualAddress = (void*)framesToCapture[i]; - void* relativeAddress = (void*)(uintptr_t(actualAddress) - uintptr_t(backtraceModuleHandle)); - std::string s_moduleName {backtraceModuleName}; - std::string s_relativeAddress {fmt::format("{}", relativeAddress)}; - // These are used for formatting later on - if (s_moduleName.length() > exc.longestModuleNameLength) - { - exc.longestModuleNameLength = s_moduleName.length(); - } - if (s_relativeAddress.length() > exc.longestRelativeAddressLength) - { - exc.longestRelativeAddressLength = s_relativeAddress.length(); - } + // Get module filename + CHAR szCrashedModulePath[MAX_PATH]; + GetModuleFileNameExA(GetCurrentProcess(), hCrashedModule, szCrashedModulePath, sizeof(szCrashedModulePath)); - exc.trace.push_back(BacktraceModule {s_moduleName, s_relativeAddress, fmt::format("{}", actualAddress)}); - } + const CHAR* pszCrashedModuleFileName = strrchr(szCrashedModulePath, '\\') + 1; + + // Get relative address + LPCSTR pModuleBase = reinterpret_cast<LPCSTR>(pCrashAddress - reinterpret_cast<LPCSTR>(hCrashedModule)); - CONTEXT* exceptionContext = &exc.contextRecord; - - exc.registerDump.push_back(fmt::format("Flags: 0b{0:b}", exceptionContext->ContextFlags)); - exc.registerDump.push_back(fmt::format("RIP: 0x{0:x}", exceptionContext->Rip)); - exc.registerDump.push_back(fmt::format("CS : 0x{0:x}", exceptionContext->SegCs)); - exc.registerDump.push_back(fmt::format("DS : 0x{0:x}", exceptionContext->SegDs)); - exc.registerDump.push_back(fmt::format("ES : 0x{0:x}", exceptionContext->SegEs)); - exc.registerDump.push_back(fmt::format("SS : 0x{0:x}", exceptionContext->SegSs)); - exc.registerDump.push_back(fmt::format("FS : 0x{0:x}", exceptionContext->SegFs)); - exc.registerDump.push_back(fmt::format("GS : 0x{0:x}", exceptionContext->SegGs)); - - exc.registerDump.push_back(fmt::format("RAX: 0x{0:x}", exceptionContext->Rax)); - exc.registerDump.push_back(fmt::format("RBX: 0x{0:x}", exceptionContext->Rbx)); - exc.registerDump.push_back(fmt::format("RCX: 0x{0:x}", exceptionContext->Rcx)); - exc.registerDump.push_back(fmt::format("RDX: 0x{0:x}", exceptionContext->Rdx)); - exc.registerDump.push_back(fmt::format("RSI: 0x{0:x}", exceptionContext->Rsi)); - exc.registerDump.push_back(fmt::format("RDI: 0x{0:x}", exceptionContext->Rdi)); - exc.registerDump.push_back(fmt::format("RBP: 0x{0:x}", exceptionContext->Rbp)); - exc.registerDump.push_back(fmt::format("RSP: 0x{0:x}", exceptionContext->Rsp)); - exc.registerDump.push_back(fmt::format("R8 : 0x{0:x}", exceptionContext->R8)); - exc.registerDump.push_back(fmt::format("R9 : 0x{0:x}", exceptionContext->R9)); - exc.registerDump.push_back(fmt::format("R10: 0x{0:x}", exceptionContext->R10)); - exc.registerDump.push_back(fmt::format("R11: 0x{0:x}", exceptionContext->R11)); - exc.registerDump.push_back(fmt::format("R12: 0x{0:x}", exceptionContext->R12)); - exc.registerDump.push_back(fmt::format("R13: 0x{0:x}", exceptionContext->R13)); - exc.registerDump.push_back(fmt::format("R14: 0x{0:x}", exceptionContext->R14)); - exc.registerDump.push_back(fmt::format("R15: 0x{0:x}", exceptionContext->R15)); - - exc.registerDump.push_back(fmt::format("Xmm0 : {}", exceptionContext->Xmm0)); - exc.registerDump.push_back(fmt::format("Xmm1 : {}", exceptionContext->Xmm1)); - exc.registerDump.push_back(fmt::format("Xmm2 : {}", exceptionContext->Xmm2)); - exc.registerDump.push_back(fmt::format("Xmm3 : {}", exceptionContext->Xmm3)); - exc.registerDump.push_back(fmt::format("Xmm4 : {}", exceptionContext->Xmm4)); - exc.registerDump.push_back(fmt::format("Xmm5 : {}", exceptionContext->Xmm5)); - exc.registerDump.push_back(fmt::format("Xmm6 : {}", exceptionContext->Xmm6)); - exc.registerDump.push_back(fmt::format("Xmm7 : {}", exceptionContext->Xmm7)); - exc.registerDump.push_back(fmt::format("Xmm8 : {}", exceptionContext->Xmm8)); - exc.registerDump.push_back(fmt::format("Xmm9 : {}", exceptionContext->Xmm9)); - exc.registerDump.push_back(fmt::format("Xmm10: {}", exceptionContext->Xmm10)); - exc.registerDump.push_back(fmt::format("Xmm11: {}", exceptionContext->Xmm11)); - exc.registerDump.push_back(fmt::format("Xmm12: {}", exceptionContext->Xmm12)); - exc.registerDump.push_back(fmt::format("Xmm13: {}", exceptionContext->Xmm13)); - exc.registerDump.push_back(fmt::format("Xmm14: {}", exceptionContext->Xmm14)); - exc.registerDump.push_back(fmt::format("Xmm15: {}", exceptionContext->Xmm15)); + m_svCrashedModule = pszCrashedModuleFileName; + m_svCrashedOffset = fmt::format("{:#x}", reinterpret_cast<DWORD64>(pModuleBase)); } -void CreateMiniDump(EXCEPTION_POINTERS* exceptionInfo) +//----------------------------------------------------------------------------- +// Purpose: Gets the exception null terminated stirng +//----------------------------------------------------------------------------- + +const CHAR* CCrashHandler::GetExceptionString() const { - time_t time = std::time(nullptr); - tm currentTime = *std::localtime(&time); - std::stringstream stream; - stream << std::put_time(¤tTime, (GetNorthstarPrefix() + "/logs/nsdump%Y-%m-%d %H-%M-%S.dmp").c_str()); + return GetExceptionString(m_pExceptionInfos->ExceptionRecord->ExceptionCode); +} - auto hMinidumpFile = CreateFileA(stream.str().c_str(), GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); - if (hMinidumpFile) +//----------------------------------------------------------------------------- +// Purpose: Gets the exception null terminated stirng +//----------------------------------------------------------------------------- +const CHAR* CCrashHandler::GetExceptionString(DWORD dwExceptionCode) const +{ + // clang-format off + switch (dwExceptionCode) { - MINIDUMP_EXCEPTION_INFORMATION dumpExceptionInfo; - dumpExceptionInfo.ThreadId = GetCurrentThreadId(); - dumpExceptionInfo.ExceptionPointers = exceptionInfo; - dumpExceptionInfo.ClientPointers = false; - - MiniDumpWriteDump( - GetCurrentProcess(), - GetCurrentProcessId(), - hMinidumpFile, - MINIDUMP_TYPE(MiniDumpWithIndirectlyReferencedMemory | MiniDumpScanMemory), - &dumpExceptionInfo, - nullptr, - nullptr); - CloseHandle(hMinidumpFile); + case EXCEPTION_ACCESS_VIOLATION: return "EXCEPTION_ACCESS_VIOLATION"; + case EXCEPTION_DATATYPE_MISALIGNMENT: return "EXCEPTION_DATATYPE_MISALIGNMENT"; + case EXCEPTION_BREAKPOINT: return "EXCEPTION_BREAKPOINT"; + case EXCEPTION_SINGLE_STEP: return "EXCEPTION_SINGLE_STEP"; + case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: return "EXCEPTION_ARRAY_BOUNDS_EXCEEDED"; + case EXCEPTION_FLT_DENORMAL_OPERAND: return "EXCEPTION_FLT_DENORMAL_OPERAND"; + case EXCEPTION_FLT_DIVIDE_BY_ZERO: return "EXCEPTION_FLT_DIVIDE_BY_ZERO"; + case EXCEPTION_FLT_INEXACT_RESULT: return "EXCEPTION_FLT_INEXACT_RESULT"; + case EXCEPTION_FLT_INVALID_OPERATION: return "EXCEPTION_FLT_INVALID_OPERATION"; + case EXCEPTION_FLT_OVERFLOW: return "EXCEPTION_FLT_OVERFLOW"; + case EXCEPTION_FLT_STACK_CHECK: return "EXCEPTION_FLT_STACK_CHECK"; + case EXCEPTION_FLT_UNDERFLOW: return "EXCEPTION_FLT_UNDERFLOW"; + case EXCEPTION_INT_DIVIDE_BY_ZERO: return "EXCEPTION_INT_DIVIDE_BY_ZERO"; + case EXCEPTION_INT_OVERFLOW: return "EXCEPTION_INT_OVERFLOW"; + case EXCEPTION_PRIV_INSTRUCTION: return "EXCEPTION_PRIV_INSTRUCTION"; + case EXCEPTION_IN_PAGE_ERROR: return "EXCEPTION_IN_PAGE_ERROR"; + case EXCEPTION_ILLEGAL_INSTRUCTION: return "EXCEPTION_ILLEGAL_INSTRUCTION"; + case EXCEPTION_NONCONTINUABLE_EXCEPTION: return "EXCEPTION_NONCONTINUABLE_EXCEPTION"; + case EXCEPTION_STACK_OVERFLOW: return "EXCEPTION_STACK_OVERFLOW"; + case EXCEPTION_INVALID_DISPOSITION: return "EXCEPTION_INVALID_DISPOSITION"; + case EXCEPTION_GUARD_PAGE: return "EXCEPTION_GUARD_PAGE"; + case EXCEPTION_INVALID_HANDLE: return "EXCEPTION_INVALID_HANDLE"; + case 3765269347: return "RUNTIME_EXCEPTION"; } - else - spdlog::error("Failed to write minidump file {}!", stream.str()); + // clang-format on + return "UNKNOWN_EXCEPTION"; } -long GenerateExceptionLog(EXCEPTION_POINTERS* exceptionInfo) +//----------------------------------------------------------------------------- +// Purpose: Returns true if exception is known +//----------------------------------------------------------------------------- +bool CCrashHandler::IsExceptionFatal() const { - storedException->exceptionRecord = *exceptionInfo->ExceptionRecord; - storedException->contextRecord = *exceptionInfo->ContextRecord; - const DWORD exceptionCode = exceptionInfo->ExceptionRecord->ExceptionCode; + return IsExceptionFatal(m_pExceptionInfos->ExceptionRecord->ExceptionCode); +} + +//----------------------------------------------------------------------------- +// Purpose: Returns true if exception is known +//----------------------------------------------------------------------------- +bool CCrashHandler::IsExceptionFatal(DWORD dwExceptionCode) const +{ + // clang-format off + switch (dwExceptionCode) + { + case EXCEPTION_ACCESS_VIOLATION: + case EXCEPTION_DATATYPE_MISALIGNMENT: + case EXCEPTION_BREAKPOINT: + case EXCEPTION_SINGLE_STEP: + case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: + case EXCEPTION_FLT_DENORMAL_OPERAND: + case EXCEPTION_FLT_DIVIDE_BY_ZERO: + case EXCEPTION_FLT_INEXACT_RESULT: + case EXCEPTION_FLT_INVALID_OPERATION: + case EXCEPTION_FLT_OVERFLOW: + case EXCEPTION_FLT_STACK_CHECK: + case EXCEPTION_FLT_UNDERFLOW: + case EXCEPTION_INT_DIVIDE_BY_ZERO: + case EXCEPTION_INT_OVERFLOW: + case EXCEPTION_PRIV_INSTRUCTION: + case EXCEPTION_IN_PAGE_ERROR: + case EXCEPTION_ILLEGAL_INSTRUCTION: + case EXCEPTION_NONCONTINUABLE_EXCEPTION: + case EXCEPTION_STACK_OVERFLOW: + case EXCEPTION_INVALID_DISPOSITION: + case EXCEPTION_GUARD_PAGE: + case EXCEPTION_INVALID_HANDLE: + return true; + } + // clang-format on + return false; +} - void* exceptionAddress = exceptionInfo->ExceptionRecord->ExceptionAddress; +//----------------------------------------------------------------------------- +// Purpose: Shows a message box +//----------------------------------------------------------------------------- +void CCrashHandler::ShowPopUpMessage() +{ + if (m_bHasShownCrashMsg) + return; - storedException->cause = GetExceptionName(*storedException); + m_bHasShownCrashMsg = true; - HMODULE crashedModuleHandle; - GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(exceptionAddress), &crashedModuleHandle); + if (!IsDedicatedServer()) + { + std::string svMessage = fmt::format( + "Northstar has crashed! Crash info can be found at {}/logs!\n\n{}\n{} + {}", + GetNorthstarPrefix(), + GetExceptionString(), + m_svCrashedModule, + m_svCrashedOffset); + + MessageBoxA(GetForegroundWindow(), svMessage.c_str(), "Northstar has crashed!", MB_ICONERROR | MB_OK); + } +} - storedException->crashedModule = crashedModuleHandle; +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatException() +{ + spdlog::error("-------------------------------------------"); + spdlog::error("Northstar has crashed!"); + spdlog::error("\tVersion: {}", version); + if (!m_svError.empty()) + { + spdlog::info("\tEncountered an error when gathering crash information!"); + spdlog::info("\tWinApi Error: {}", m_svError.c_str()); + } + spdlog::error("\t{}", GetExceptionString()); - // When encountering a runtime exception, we store the exception to be displayed later - // We then have to return EXCEPTION_CONTINUE_SEARCH so that our runtime handler may be called - // This might possibly cause some issues if client and server are crashing at the same time, but honestly i don't care - if (exceptionCode == RUNTIME_EXCEPTION) + DWORD dwExceptionCode = m_pExceptionInfos->ExceptionRecord->ExceptionCode; + if (dwExceptionCode == EXCEPTION_ACCESS_VIOLATION || dwExceptionCode == EXCEPTION_IN_PAGE_ERROR) { - GenerateTrace(*storedException, false, 2); - storedException = storedException; - return EXCEPTION_CONTINUE_SEARCH; + ULONG_PTR uExceptionInfo0 = m_pExceptionInfos->ExceptionRecord->ExceptionInformation[0]; + ULONG_PTR uExceptionInfo1 = m_pExceptionInfos->ExceptionRecord->ExceptionInformation[1]; + + if (!uExceptionInfo0) + spdlog::error("\tAttempted to read from: {:#x}", uExceptionInfo1); + else if (uExceptionInfo0 == 1) + spdlog::error("\tAttempted to write to: {:#x}", uExceptionInfo1); + else if (uExceptionInfo0 == 8) + spdlog::error("\tData Execution Prevention (DEP) at: {:#x}", uExceptionInfo1); + else + spdlog::error("\tUnknown access violation at: {:#x}", uExceptionInfo1); } - GenerateTrace(*storedException, true, 0); - CreateMiniDump(exceptionInfo); - PrintExceptionLog(*storedException); - return EXCEPTION_EXECUTE_HANDLER; + spdlog::error("\tAt: {} + {}", m_svCrashedModule, m_svCrashedOffset); } -long __stdcall ExceptionFilter(EXCEPTION_POINTERS* exceptionInfo) +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatCallstack() { - if (!IsDebuggerPresent()) + spdlog::error("Callstack:"); + + PVOID pFrames[CRASHHANDLER_MAX_FRAMES]; + + int iFrames = RtlCaptureStackBackTrace(0, CRASHHANDLER_MAX_FRAMES, pFrames, NULL); + + // Above call gives us frames after the crash occured, we only want to print the ones starting from where + // the exception was called + bool bSkipExceptionHandlingFrames = true; + + // We ran into an error when getting the offset, just print all frames + if (m_svCrashedOffset.empty()) + bSkipExceptionHandlingFrames = false; + + for (int i = 0; i < iFrames; i++) { - // Check if we are capable of handling this type of exception - if (ExceptionNames.find(exceptionInfo->ExceptionRecord->ExceptionCode) == ExceptionNames.end()) - return EXCEPTION_CONTINUE_SEARCH; - if (exceptionInfo->ExceptionRecord->ExceptionCode == RUNTIME_EXCEPTION) + const CHAR* pszModuleFileName; + + LPCSTR pAddress = static_cast<LPCSTR>(pFrames[i]); + HMODULE hModule; + if (!GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, pAddress, &hModule)) { - storedException = std::make_shared<ExceptionLog>(); - storedException->exceptionRecord = *exceptionInfo->ExceptionRecord; - storedException->contextRecord = *exceptionInfo->ContextRecord; + pszModuleFileName = CRASHHANDLER_GETMODULEHANDLE_FAIL; + // If we fail here it's too late to do any damage control } else { - CreateMiniDump(exceptionInfo); - return GenerateExceptionLog(exceptionInfo); + CHAR szModulePath[MAX_PATH]; + GetModuleFileNameExA(GetCurrentProcess(), hModule, szModulePath, sizeof(szModulePath)); + pszModuleFileName = strrchr(szModulePath, '\\') + 1; } + + // Get relative address + LPCSTR pCrashOffset = reinterpret_cast<LPCSTR>(pAddress - reinterpret_cast<LPCSTR>(hModule)); + std::string svCrashOffset = fmt::format("{:#x}", reinterpret_cast<DWORD64>(pCrashOffset)); + + // Should we log this frame + if (bSkipExceptionHandlingFrames) + { + if (m_svCrashedModule == pszModuleFileName && m_svCrashedOffset == svCrashOffset) + { + bSkipExceptionHandlingFrames = false; + } + else + { + continue; + } + } + + // Log module + offset + spdlog::error("\t{} + {:#x}", pszModuleFileName, reinterpret_cast<DWORD64>(pCrashOffset)); } +} - return EXCEPTION_EXECUTE_HANDLER; +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatFlags(const CHAR* pszRegister, DWORD nValue) +{ + spdlog::error("\t{}: {:#b}", pszRegister, nValue); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatIntReg(const CHAR* pszRegister, DWORD64 nValue) +{ + spdlog::error("\t{}: {:#x}", pszRegister, nValue); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatFloatReg(const CHAR* pszRegister, M128A nValue) +{ + DWORD nVec[4] = { + static_cast<DWORD>(nValue.Low & UINT_MAX), + static_cast<DWORD>(nValue.Low >> 32), + static_cast<DWORD>(nValue.High & UINT_MAX), + static_cast<DWORD>(nValue.High >> 32)}; + + spdlog::error( + "\t{}: [ {:G}, {:G}, {:G}, {:G} ]; [ {:#x}, {:#x}, {:#x}, {:#x} ]", + pszRegister, + static_cast<float>(nVec[0]), + static_cast<float>(nVec[1]), + static_cast<float>(nVec[2]), + static_cast<float>(nVec[3]), + nVec[0], + nVec[1], + nVec[2], + nVec[3]); } -void RuntimeExceptionHandler() +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatRegisters() { - auto ptr = std::current_exception(); - if (ptr) + spdlog::error("Registers:"); + + PCONTEXT pContext = m_pExceptionInfos->ContextRecord; + + FormatFlags("Flags:", pContext->ContextFlags); + + FormatIntReg("Rax", pContext->Rax); + FormatIntReg("Rcx", pContext->Rcx); + FormatIntReg("Rdx", pContext->Rdx); + FormatIntReg("Rbx", pContext->Rbx); + FormatIntReg("Rsp", pContext->Rsp); + FormatIntReg("Rbp", pContext->Rbp); + FormatIntReg("Rsi", pContext->Rsi); + FormatIntReg("Rdi", pContext->Rdi); + FormatIntReg("R8 ", pContext->R8); + FormatIntReg("R9 ", pContext->R9); + FormatIntReg("R10", pContext->R10); + FormatIntReg("R11", pContext->R11); + FormatIntReg("R12", pContext->R12); + FormatIntReg("R13", pContext->R13); + FormatIntReg("R14", pContext->R14); + FormatIntReg("R15", pContext->R15); + FormatIntReg("Rip", pContext->Rip); + + FormatFloatReg("Xmm0 ", pContext->Xmm0); + FormatFloatReg("Xmm1 ", pContext->Xmm1); + FormatFloatReg("Xmm2 ", pContext->Xmm2); + FormatFloatReg("Xmm3 ", pContext->Xmm3); + FormatFloatReg("Xmm4 ", pContext->Xmm4); + FormatFloatReg("Xmm5 ", pContext->Xmm5); + FormatFloatReg("Xmm6 ", pContext->Xmm6); + FormatFloatReg("Xmm7 ", pContext->Xmm7); + FormatFloatReg("Xmm8 ", pContext->Xmm8); + FormatFloatReg("Xmm9 ", pContext->Xmm9); + FormatFloatReg("Xmm10", pContext->Xmm10); + FormatFloatReg("Xmm11", pContext->Xmm11); + FormatFloatReg("Xmm12", pContext->Xmm12); + FormatFloatReg("Xmm13", pContext->Xmm13); + FormatFloatReg("Xmm14", pContext->Xmm14); + FormatFloatReg("Xmm15", pContext->Xmm15); +} + +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatLoadedMods() +{ + if (g_pModManager) { - try - { - // This is to generate an actual std::exception object that we can then inspect - std::rethrow_exception(ptr); - } - catch (std::exception& e) + spdlog::error("Enabled mods:"); + for (const Mod& mod : g_pModManager->m_LoadedMods) { - storedException->runtimeInfo = e.what(); + if (!mod.m_bEnabled) + continue; + + spdlog::error("\t{}", mod.Name); } - catch (...) + + spdlog::error("Disabled mods:"); + for (const Mod& mod : g_pModManager->m_LoadedMods) { - storedException->runtimeInfo = "Unknown runtime exception type"; + if (mod.m_bEnabled) + continue; + + spdlog::error("\t{}", mod.Name); } - EXCEPTION_POINTERS test {}; - test.ContextRecord = &storedException->contextRecord; - test.ExceptionRecord = &storedException->exceptionRecord; - CreateMiniDump(&test); - GenerateExceptionLog(&test); - PrintExceptionLog(*storedException); - exit(-1); - } - else - { - spdlog::error( - "std::current_exception() returned nullptr while being handled by RuntimeExceptionHandler. This should never happen!"); - std::abort(); } } -BOOL WINAPI ConsoleHandlerRoutine(DWORD eventCode) +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatLoadedPlugins() { - switch (eventCode) + if (g_pPluginManager) { - case CTRL_CLOSE_EVENT: - // User closed console, shut everything down - spdlog::info("Exiting due to console close..."); - RemoveCrashHandler(); - exit(EXIT_SUCCESS); - return FALSE; + spdlog::error("Loaded Plugins:"); + for (const Plugin& plugin : g_pPluginManager->m_vLoadedPlugins) + { + spdlog::error("\t{}", plugin.name); + } } - - return TRUE; } -void InitialiseCrashHandler() +//----------------------------------------------------------------------------- +// Purpose: +//----------------------------------------------------------------------------- +void CCrashHandler::FormatModules() { - hExceptionFilter = AddVectoredExceptionHandler(TRUE, ExceptionFilter); - SetConsoleCtrlHandler(ConsoleHandlerRoutine, true); - std::set_terminate(RuntimeExceptionHandler); + spdlog::error("Loaded modules:"); + HMODULE hModules[1024]; + DWORD cbNeeded; + + if (EnumProcessModules(GetCurrentProcess(), hModules, sizeof(hModules), &cbNeeded)) + { + for (DWORD i = 0; i < (cbNeeded / sizeof(HMODULE)); i++) + { + CHAR szModulePath[MAX_PATH]; + if (GetModuleFileNameExA(GetCurrentProcess(), hModules[i], szModulePath, sizeof(szModulePath))) + { + const CHAR* pszModuleFileName = strrchr(szModulePath, '\\') + 1; + spdlog::error("\t{}", pszModuleFileName); + } + } + } } -void RemoveCrashHandler() +//----------------------------------------------------------------------------- +// Purpose: Writes minidump to disk +//----------------------------------------------------------------------------- +void CCrashHandler::WriteMinidump() { - RemoveVectoredExceptionHandler(hExceptionFilter); + time_t time = std::time(nullptr); + tm currentTime = *std::localtime(&time); + std::stringstream stream; + stream << std::put_time(¤tTime, (GetNorthstarPrefix() + "/logs/nsdump%Y-%m-%d %H-%M-%S.dmp").c_str()); + + HANDLE hMinidumpFile = CreateFileA(stream.str().c_str(), GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0); + if (hMinidumpFile) + { + MINIDUMP_EXCEPTION_INFORMATION dumpExceptionInfo; + dumpExceptionInfo.ThreadId = GetCurrentThreadId(); + dumpExceptionInfo.ExceptionPointers = m_pExceptionInfos; + dumpExceptionInfo.ClientPointers = false; + + MiniDumpWriteDump( + GetCurrentProcess(), + GetCurrentProcessId(), + hMinidumpFile, + MINIDUMP_TYPE(MiniDumpWithIndirectlyReferencedMemory | MiniDumpScanMemory), + &dumpExceptionInfo, + nullptr, + nullptr); + CloseHandle(hMinidumpFile); + } + else + spdlog::error("Failed to write minidump file {}!", stream.str()); } + +//----------------------------------------------------------------------------- +CCrashHandler* g_pCrashHandler = nullptr; diff --git a/NorthstarDLL/logging/crashhandler.h b/NorthstarDLL/logging/crashhandler.h index 4d8a59ce..e18de948 100644 --- a/NorthstarDLL/logging/crashhandler.h +++ b/NorthstarDLL/logging/crashhandler.h @@ -1,26 +1,97 @@ #pragma once -void InitialiseCrashHandler(); -void RemoveCrashHandler(); +#include <mutex> -struct BacktraceModule +//----------------------------------------------------------------------------- +// Purpose: Exception handling +//----------------------------------------------------------------------------- +class CCrashHandler { - std::string name; - std::string relativeAddress; - std::string address; -}; + public: + CCrashHandler(); + ~CCrashHandler(); -struct ExceptionLog -{ - std::string cause; - HMODULE crashedModule; - EXCEPTION_RECORD exceptionRecord; - CONTEXT contextRecord; - std::vector<BacktraceModule> trace; - std::vector<std::string> registerDump; + void Init(); + void Shutdown(); + + void Lock() + { + m_Mutex.lock(); + } + + void Unlock() + { + m_Mutex.unlock(); + } + + void SetState(bool bState) + { + m_bState = bState; + } + + bool GetState() const + { + return m_bState; + } + + void SetAllFatal(bool bState) + { + m_bAllExceptionsFatal = bState; + } + + bool GetAllFatal() const + { + return m_bAllExceptionsFatal; + } + + //----------------------------------------------------------------------------- + // Exception helpers + //----------------------------------------------------------------------------- + void SetExceptionInfos(EXCEPTION_POINTERS* pExceptionPointers); + + void SetCrashedModule(); - std::string runtimeInfo; + const CHAR* GetExceptionString() const; + const CHAR* GetExceptionString(DWORD dwExceptionCode) const; - int longestModuleNameLength; - int longestRelativeAddressLength; + bool IsExceptionFatal() const; + bool IsExceptionFatal(DWORD dwExceptionCode) const; + + //----------------------------------------------------------------------------- + // Formatting + //----------------------------------------------------------------------------- + void ShowPopUpMessage(); + + void FormatException(); + void FormatCallstack(); + void FormatFlags(const CHAR* pszRegister, DWORD nValue); + void FormatIntReg(const CHAR* pszRegister, DWORD64 nValue); + void FormatFloatReg(const CHAR* pszRegister, M128A nValue); + void FormatRegisters(); + void FormatLoadedMods(); + void FormatLoadedPlugins(); + void FormatModules(); + + //----------------------------------------------------------------------------- + // Minidump + //----------------------------------------------------------------------------- + void WriteMinidump(); + + private: + PVOID m_hExceptionFilter; + EXCEPTION_POINTERS* m_pExceptionInfos; + + bool m_bHasSetConsolehandler; + bool m_bAllExceptionsFatal; + bool m_bHasShownCrashMsg; + bool m_bState; + + std::string m_svCrashedModule; + std::string m_svCrashedOffset; + + std::string m_svError; + + std::mutex m_Mutex; }; + +extern CCrashHandler* g_pCrashHandler; |