Windows系统下生成dmp文件,定位程序崩溃位置代码
#include <iostream>
#include <windows.h>
#include <Dbghelp.h>
#pragma comment(lib,"DbgHelp")
LONG WINAPI TopLevelExceptionFilter(PEXCEPTION_POINTERS pExceptInfo)
{
SYSTEMTIME stNowTime = { 0 };
GetLocalTime(&stNowTime);
char szDumpFile[512] = { 0 };
GetModuleFileName(NULL, szDumpFile, sizeof(szDumpFile));
_snprintf(szDumpFile, sizeof(szDumpFile) - 1, "%s_%04d%02d%02d_%02d%02d%02d%03d.dmp",
szDumpFile, stNowTime.wYear, stNowTime.wMonth, stNowTime.wDay,
stNowTime.wHour, stNowTime.wMinute, stNowTime.wSecond, stNowTime.wMilliseconds);
DWORD dwCurThreadId = GetCurrentThreadId();
HANDLE hFile = CreateFile(szDumpFile, GENERIC_WRITE, FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile != INVALID_HANDLE_VALUE)
{
MINIDUMP_EXCEPTION_INFORMATION stExInfo = { dwCurThreadId, pExceptInfo, FALSE };
HANDLE hProcess = GetCurrentProcess();
DWORD dwProcessId = GetCurrentProcessId();
MiniDumpWriteDump(hProcess, dwProcessId, hFile, MiniDumpNormal, &stExInfo, NULL, NULL);
CloseHandle(hFile);
}
PostThreadMessage(dwCurThreadId, WM_QUIT, 0, 0);
return EXCEPTION_EXECUTE_HANDLER;
}
int main(int argc, char** argv)
{
SetUnhandledExceptionFilter(TopLevelExceptionFilter);
int n = 0;
std::cout << 1 / n;
return 0;
}
将生成的dmp文件用VS打开,点击使用仅限本机进行调试,就会跳转到崩溃行。
- 注意:需要保留编译时的pdb和源文件。