/* * User program entry point function * Copyright (c) 2003, Jeffrey K. Hollingsworth <hollings@cs.umd.edu> * Copyright (c) 2004, David H. Hovemeyer <daveho@cs.umd.edu> * $Revision: 1.10 $ * * This is free software.  You are permitted to use, * redistribute, and modify it as specified in the file "COPYING". */#include <geekos/argblock.h>int main(int argc, char **argv);void Exit(int exitCode);/* * Entry point.  Calls user program's main() routine, then exits. */void _Entry(void){    struct Argument_Block *argBlock;    /* The argument block pointer is in the ESI register. */    __asm__ __volatile__ ("movl %%esi, %0" : "=r" (argBlock));    /* Call main(), and then exit with whatever value it returns. */    Exit(main(argBlock->argc, argBlock->argv));}