C++ 生成dump文件

1int GenerateMiniDump(PEXCEPTION_POINTERS pExceptionPointers)
2{
3    // 定义函数指针
4    typedef BOOL(WINAPI * MiniDumpWriteDumpT)(
5        HANDLE,
6        DWORD,
7        HANDLE,
8        MINIDUMP_TYPE,
9        PMINIDUMP_EXCEPTION_INFORMATION,
10        PMINIDUMP_USER_STREAM_INFORMATION,
11        PMINIDUMP_CALLBACK_INFORMATION
12        );
13    // 从 "DbgHelp.dll" 库中获取 "MiniDumpWriteDump" 函数
14    MiniDumpWriteDumpT pfnMiniDumpWriteDump = NULL;
15    HMODULE hDbgHelp = LoadLibrary(_T("DbgHelp.dll"));
16    if (NULL == hDbgHelp)
17    {
18        return EXCEPTION_CONTINUE_EXECUTION;
19    }
20    pfnMiniDumpWriteDump = (MiniDumpWriteDumpT)GetProcAddress(hDbgHelp, "MiniDumpWriteDump");
21
22    if (NULL == pfnMiniDumpWriteDump)
23    {
24        FreeLibrary(hDbgHelp);
25        return EXCEPTION_CONTINUE_EXECUTION;
26    }
27    // 创建 dmp 文件件
28    TCHAR szFileName[MAX_PATH] = {0};
29    TCHAR* szVersion = _T("dump");
30    SYSTEMTIME stLocalTime;
31    GetLocalTime(&stLocalTime);
32    wsprintf(szFileName, L"%s-%04d%02d%02d-%02d%02d%02d.dmp",
33        szVersion, stLocalTime.wYear, stLocalTime.wMonth, stLocalTime.wDay,
34        stLocalTime.wHour, stLocalTime.wMinute, stLocalTime.wSecond);
35    HANDLE hDumpFile = CreateFile(szFileName, GENERIC_READ | GENERIC_WRITE, 
36        FILE_SHARE_WRITE | FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, 0);
37    if (INVALID_HANDLE_VALUE == hDumpFile)
38    {
39        FreeLibrary(hDbgHelp);
40        return EXCEPTION_CONTINUE_EXECUTION;
41    }
42    // 写入 dmp 文件
43    MINIDUMP_EXCEPTION_INFORMATION expParam;
44    expParam.ThreadId = GetCurrentThreadId();
45    expParam.ExceptionPointers = pExceptionPointers;
46    expParam.ClientPointers = FALSE;
47    pfnMiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), 
48        hDumpFile, MiniDumpWithDataSegs, (pExceptionPointers ? &expParam : NULL), NULL, NULL);
49    // 释放文件
50    CloseHandle(hDumpFile);
51    FreeLibrary(hDbgHelp);
52    return EXCEPTION_EXECUTE_HANDLER;
53}
54
55LONG WINAPI ExceptionFilter(LPEXCEPTION_POINTERS lpExceptionInfo)
56{
57    // 这里做一些异常的过滤或提示
58    if (IsDebuggerPresent())
59    {
60        return EXCEPTION_CONTINUE_SEARCH;
61    }
62    return GenerateMiniDump(lpExceptionInfo);
63}
64
65int main()
66{
67    // 加入崩溃dump文件功能
68    SetUnhandledExceptionFilter(ExceptionFilter);
69    // 使程序崩溃产生 Dump 文件
70    int *p = NULL;
71    *p=1;
72}