一个宏命令，就可以程序崩溃时生成dump文件

在主程序初始化时加入

DeclareDumpFile();

 

  1 创建头文件DumpFile.h, 将下列代码放进文件中
  2 
  3 #pragma once
  4 #include <windows.h>
  5 #include < Dbghelp.h>
  6 #include <iostream>  
  7 #include <vector>  
  8 using namespace std; 
  9 
 10 
 11 #pragma comment(lib, "Dbghelp.lib")
 12 
 13 
 14 namespace NSDumpFile
 15 { 
 16     void CreateDumpFile(LPCWSTR lpstrDumpFilePathName, EXCEPTION_POINTERS *pException)  
 17     {  
 18         // 创建Dump文件  
 19         //  
 20         HANDLE hDumpFile = CreateFile(lpstrDumpFilePathName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);  
 21 
 22 
 23         // Dump信息  
 24         //  
 25         MINIDUMP_EXCEPTION_INFORMATION dumpInfo;  
 26         dumpInfo.ExceptionPointers = pException;  
 27         dumpInfo.ThreadId = GetCurrentThreadId();  
 28         dumpInfo.ClientPointers = TRUE;  
 29 
 30 
 31         // 写入Dump文件内容  
 32         //  
 33         MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), hDumpFile, MiniDumpNormal, &dumpInfo, NULL, NULL);  
 34 
 35 
 36         CloseHandle(hDumpFile);  
 37     }  
 38 
 39 
 40     LPTOP_LEVEL_EXCEPTION_FILTER WINAPI MyDummySetUnhandledExceptionFilter(LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter)
 41     {
 42         return NULL;
 43     }
 44 
 45 
 46     BOOL PreventSetUnhandledExceptionFilter()
 47     {
 48         HMODULE hKernel32 = LoadLibrary(_T("kernel32.dll"));
 49         if (hKernel32 ==   NULL)
 50             return FALSE;
 51 
 52 
 53         void *pOrgEntry = GetProcAddress(hKernel32, "SetUnhandledExceptionFilter");
 54         if(pOrgEntry == NULL)
 55             return FALSE;
 56 
 57 
 58         unsigned char newJump[ 100 ];
 59         DWORD dwOrgEntryAddr = (DWORD) pOrgEntry;
 60         dwOrgEntryAddr += 5; // add 5 for 5 op-codes for jmp far
 61 
 62 
 63         void *pNewFunc = &MyDummySetUnhandledExceptionFilter;
 64         DWORD dwNewEntryAddr = (DWORD) pNewFunc;
 65         DWORD dwRelativeAddr = dwNewEntryAddr -  dwOrgEntryAddr;
 66 
 67 
 68         newJump[ 0 ] = 0xE9;  // JMP absolute
 69         memcpy(&newJump[ 1 ], &dwRelativeAddr, sizeof(pNewFunc));
 70         SIZE_T bytesWritten;
 71         BOOL bRet = WriteProcessMemory(GetCurrentProcess(),    pOrgEntry, newJump, sizeof(pNewFunc) + 1, &bytesWritten);
 72         return bRet;
 73     }
 74 
 75 
 76     LONG WINAPI UnhandledExceptionFilterEx(struct _EXCEPTION_POINTERS *pException)
 77     {
 78         TCHAR szMbsFile[MAX_PATH] = { 0 };
 79         ::GetModuleFileName(NULL, szMbsFile, MAX_PATH);
 80         TCHAR* pFind = _tcsrchr(szMbsFile, '\\');
 81         if(pFind)
 82         {
 83             *(pFind+1) = 0;
 84             _tcscat(szMbsFile, _T("CrashDumpFile.dmp"));
 85             CreateDumpFile(szMbsFile, pException);
 86         }
 87 
 88 
 89         // TODO: MiniDumpWriteDump
 90         FatalAppExit(-1,  _T("Fatal Error"));
 91         return EXCEPTION_CONTINUE_SEARCH;
 92     }
 93 
 94 
 95     void RunCrashHandler()
 96     {
 97         SetUnhandledExceptionFilter(UnhandledExceptionFilterEx);
 98         PreventSetUnhandledExceptionFilter();
 99     }
100 };
101 
102 
103 #define DeclareDumpFile() NSDumpFile::RunCrashHandler();

 

来源：https://www.cnblogs.com/FCoding/archive/2012/07/05/2578543.html