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https://github.com/scp-fs2open/fs2open.github.com.git
synced 2026-11-07 08:15:59 -10:00
asarium
c41eef517b
This will write Mini dumps in the event that the executable causes a crash. This will allow us to take a closer look at any crashes without having to reproduce them.
76 lines
1.9 KiB
C++
76 lines
1.9 KiB
C++
#include "crashdump.h"
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#ifdef WIN32
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#ifdef _MSC_VER
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#pragma warning (push)
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#pragma warning (disable:4091) // a microsoft header has warnings. Very nice.
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#endif
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// clang-format off
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#include <windows.h>
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#include <dbghelp.h>
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// clang-format on
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#ifdef _MSC_VER
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#pragma warning (pop)
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#endif
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#include "globalincs/pstypes.h"
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void make_minidump(EXCEPTION_POINTERS* e)
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{
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const auto hDbgHelp = LoadLibraryA("dbghelp");
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if (hDbgHelp == nullptr)
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return;
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const auto pMiniDumpWriteDump = reinterpret_cast<decltype(&MiniDumpWriteDump)>(
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reinterpret_cast<void*>(GetProcAddress(hDbgHelp, "MiniDumpWriteDump")));
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if (pMiniDumpWriteDump == nullptr)
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return;
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char name[MAX_PATH];
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{
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const auto nameEnd = name + GetModuleFileNameA(GetModuleHandleA(nullptr), name, MAX_PATH);
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SYSTEMTIME t;
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GetSystemTime(&t);
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wsprintfA(nameEnd - strlen(".exe"), "_%4d%02d%02d_%02d%02d%02d.mdmp", t.wYear, t.wMonth, t.wDay, t.wHour,
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t.wMinute, t.wSecond);
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}
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const auto hFile = CreateFileA(name, GENERIC_WRITE, FILE_SHARE_READ, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
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if (hFile == INVALID_HANDLE_VALUE)
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return;
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MINIDUMP_EXCEPTION_INFORMATION exceptionInfo;
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exceptionInfo.ThreadId = GetCurrentThreadId();
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exceptionInfo.ExceptionPointers = e;
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exceptionInfo.ClientPointers = FALSE;
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pMiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hFile,
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MINIDUMP_TYPE(MiniDumpWithIndirectlyReferencedMemory | MiniDumpScanMemory),
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e ? &exceptionInfo : nullptr, nullptr, nullptr);
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CloseHandle(hFile);
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mprintf(("CRASH DETECTED!!! Wrote crash dump to %s\n", name));
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}
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LONG CALLBACK unhandled_handler(EXCEPTION_POINTERS* e)
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{
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make_minidump(e);
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return EXCEPTION_CONTINUE_SEARCH;
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}
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#endif
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namespace crashdump {
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void installCrashHandler()
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{
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#ifdef WIN32
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SetUnhandledExceptionFilter(unhandled_handler);
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#endif
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}
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} // namespace crashdump
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