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-rw-r--r--NorthstarDLL/crashhandler.cpp216
1 files changed, 216 insertions, 0 deletions
diff --git a/NorthstarDLL/crashhandler.cpp b/NorthstarDLL/crashhandler.cpp
new file mode 100644
index 00000000..8e083078
--- /dev/null
+++ b/NorthstarDLL/crashhandler.cpp
@@ -0,0 +1,216 @@
+#include "pch.h"
+#include "crashhandler.h"
+#include "dedicated.h"
+#include "nsprefix.h"
+
+#include <minidumpapiset.h>
+
+HANDLE hExceptionFilter;
+
+long __stdcall ExceptionFilter(EXCEPTION_POINTERS* exceptionInfo)
+{
+ static bool logged = false;
+ if (logged)
+ return EXCEPTION_CONTINUE_SEARCH;
+
+ if (!IsDebuggerPresent())
+ {
+ const DWORD exceptionCode = exceptionInfo->ExceptionRecord->ExceptionCode;
+ if (exceptionCode != EXCEPTION_ACCESS_VIOLATION && exceptionCode != EXCEPTION_ARRAY_BOUNDS_EXCEEDED &&
+ exceptionCode != EXCEPTION_DATATYPE_MISALIGNMENT && exceptionCode != EXCEPTION_FLT_DENORMAL_OPERAND &&
+ exceptionCode != EXCEPTION_FLT_DIVIDE_BY_ZERO && exceptionCode != EXCEPTION_FLT_INEXACT_RESULT &&
+ exceptionCode != EXCEPTION_FLT_INVALID_OPERATION && exceptionCode != EXCEPTION_FLT_OVERFLOW &&
+ exceptionCode != EXCEPTION_FLT_STACK_CHECK && exceptionCode != EXCEPTION_FLT_UNDERFLOW &&
+ exceptionCode != EXCEPTION_ILLEGAL_INSTRUCTION && exceptionCode != EXCEPTION_IN_PAGE_ERROR &&
+ exceptionCode != EXCEPTION_INT_DIVIDE_BY_ZERO && exceptionCode != EXCEPTION_INT_OVERFLOW &&
+ exceptionCode != EXCEPTION_INVALID_DISPOSITION && exceptionCode != EXCEPTION_NONCONTINUABLE_EXCEPTION &&
+ exceptionCode != EXCEPTION_PRIV_INSTRUCTION && exceptionCode != EXCEPTION_STACK_OVERFLOW)
+ return EXCEPTION_CONTINUE_SEARCH;
+
+ std::stringstream exceptionCause;
+ exceptionCause << "Cause: ";
+ switch (exceptionCode)
+ {
+ case EXCEPTION_ACCESS_VIOLATION:
+ case EXCEPTION_IN_PAGE_ERROR:
+ {
+ exceptionCause << "Access Violation" << std::endl;
+
+ auto exceptionInfo0 = exceptionInfo->ExceptionRecord->ExceptionInformation[0];
+ auto exceptionInfo1 = exceptionInfo->ExceptionRecord->ExceptionInformation[1];
+
+ if (!exceptionInfo0)
+ exceptionCause << "Attempted to read from: 0x" << (void*)exceptionInfo1;
+ else if (exceptionInfo0 == 1)
+ exceptionCause << "Attempted to write to: 0x" << (void*)exceptionInfo1;
+ else if (exceptionInfo0 == 8)
+ exceptionCause << "Data Execution Prevention (DEP) at: 0x" << (void*)std::hex << exceptionInfo1;
+ else
+ exceptionCause << "Unknown access violation at: 0x" << (void*)exceptionInfo1;
+
+ break;
+ }
+ case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+ exceptionCause << "Array bounds exceeded";
+ break;
+ case EXCEPTION_DATATYPE_MISALIGNMENT:
+ exceptionCause << "Datatype misalignment";
+ break;
+ case EXCEPTION_FLT_DENORMAL_OPERAND:
+ exceptionCause << "Denormal operand";
+ break;
+ case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+ exceptionCause << "Divide by zero (float)";
+ break;
+ case EXCEPTION_INT_DIVIDE_BY_ZERO:
+ exceptionCause << "Divide by zero (int)";
+ break;
+ case EXCEPTION_FLT_INEXACT_RESULT:
+ exceptionCause << "Inexact result";
+ break;
+ case EXCEPTION_FLT_INVALID_OPERATION:
+ exceptionCause << "Invalid operation";
+ break;
+ case EXCEPTION_FLT_OVERFLOW:
+ case EXCEPTION_INT_OVERFLOW:
+ exceptionCause << "Numeric overflow";
+ break;
+ case EXCEPTION_FLT_UNDERFLOW:
+ exceptionCause << "Numeric underflow";
+ break;
+ case EXCEPTION_FLT_STACK_CHECK:
+ exceptionCause << "Stack check";
+ break;
+ case EXCEPTION_ILLEGAL_INSTRUCTION:
+ exceptionCause << "Illegal instruction";
+ break;
+ case EXCEPTION_INVALID_DISPOSITION:
+ exceptionCause << "Invalid disposition";
+ break;
+ case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+ exceptionCause << "Noncontinuable exception";
+ break;
+ case EXCEPTION_PRIV_INSTRUCTION:
+ exceptionCause << "Priviledged instruction";
+ break;
+ case EXCEPTION_STACK_OVERFLOW:
+ exceptionCause << "Stack overflow";
+ break;
+ default:
+ exceptionCause << "Unknown";
+ break;
+ }
+
+ void* exceptionAddress = exceptionInfo->ExceptionRecord->ExceptionAddress;
+
+ HMODULE crashedModuleHandle;
+ GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(exceptionAddress), &crashedModuleHandle);
+
+ MODULEINFO crashedModuleInfo;
+ GetModuleInformation(GetCurrentProcess(), crashedModuleHandle, &crashedModuleInfo, sizeof(crashedModuleInfo));
+
+ char crashedModuleFullName[MAX_PATH];
+ GetModuleFileNameExA(GetCurrentProcess(), crashedModuleHandle, crashedModuleFullName, MAX_PATH);
+ char* crashedModuleName = strrchr(crashedModuleFullName, '\\') + 1;
+
+ DWORD64 crashedModuleOffset = ((DWORD64)exceptionAddress) - ((DWORD64)crashedModuleInfo.lpBaseOfDll);
+ CONTEXT* exceptionContext = exceptionInfo->ContextRecord;
+
+ spdlog::error("Northstar has crashed! a minidump has been written and exception info is available below:");
+ spdlog::error(exceptionCause.str());
+ spdlog::error("At: {} + {}", crashedModuleName, (void*)crashedModuleOffset);
+
+ PVOID framesToCapture[62];
+ int frames = RtlCaptureStackBackTrace(0, 62, framesToCapture, NULL);
+ for (int i = 0; i < frames; i++)
+ {
+ HMODULE backtraceModuleHandle;
+ GetModuleHandleExA(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCSTR>(framesToCapture[i]), &backtraceModuleHandle);
+
+ char backtraceModuleFullName[MAX_PATH];
+ GetModuleFileNameExA(GetCurrentProcess(), backtraceModuleHandle, backtraceModuleFullName, MAX_PATH);
+ char* backtraceModuleName = strrchr(backtraceModuleFullName, '\\') + 1;
+
+ void* actualAddress = (void*)framesToCapture[i];
+ void* relativeAddress = (void*)(uintptr_t(actualAddress) - uintptr_t(backtraceModuleHandle));
+
+ spdlog::error(" {} + {} ({})", backtraceModuleName, relativeAddress, actualAddress);
+ }
+
+ spdlog::error("RAX: 0x{0:x}", exceptionContext->Rax);
+ spdlog::error("RBX: 0x{0:x}", exceptionContext->Rbx);
+ spdlog::error("RCX: 0x{0:x}", exceptionContext->Rcx);
+ spdlog::error("RDX: 0x{0:x}", exceptionContext->Rdx);
+ spdlog::error("RSI: 0x{0:x}", exceptionContext->Rsi);
+ spdlog::error("RDI: 0x{0:x}", exceptionContext->Rdi);
+ spdlog::error("RBP: 0x{0:x}", exceptionContext->Rbp);
+ spdlog::error("RSP: 0x{0:x}", exceptionContext->Rsp);
+ spdlog::error("R8: 0x{0:x}", exceptionContext->R8);
+ spdlog::error("R9: 0x{0:x}", exceptionContext->R9);
+ spdlog::error("R10: 0x{0:x}", exceptionContext->R10);
+ spdlog::error("R11: 0x{0:x}", exceptionContext->R11);
+ spdlog::error("R12: 0x{0:x}", exceptionContext->R12);
+ spdlog::error("R13: 0x{0:x}", exceptionContext->R13);
+ spdlog::error("R14: 0x{0:x}", exceptionContext->R14);
+ spdlog::error("R15: 0x{0:x}", exceptionContext->R15);
+
+ time_t time = std::time(nullptr);
+ tm currentTime = *std::localtime(&time);
+ std::stringstream stream;
+ stream << std::put_time(&currentTime, (GetNorthstarPrefix() + "/logs/nsdump%Y-%m-%d %H-%M-%S.dmp").c_str());
+
+ auto 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 = exceptionInfo;
+ 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());
+
+ if (!IsDedicatedServer())
+ MessageBoxA(
+ 0, "Northstar has crashed! Crash info can be found in R2Northstar/logs", "Northstar has crashed!", MB_ICONERROR | MB_OK);
+ }
+
+ logged = true;
+ return EXCEPTION_EXECUTE_HANDLER;
+}
+
+BOOL WINAPI ConsoleHandlerRoutine(DWORD eventCode)
+{
+ switch (eventCode)
+ {
+ case CTRL_CLOSE_EVENT:
+ // User closed console, shut everything down
+ spdlog::info("Exiting due to console close...");
+ RemoveCrashHandler();
+ exit(EXIT_SUCCESS);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void InitialiseCrashHandler()
+{
+ hExceptionFilter = AddVectoredExceptionHandler(TRUE, ExceptionFilter);
+ SetConsoleCtrlHandler(ConsoleHandlerRoutine, true);
+}
+
+void RemoveCrashHandler()
+{
+ RemoveVectoredExceptionHandler(hExceptionFilter);
+}