Subversion Repositories openrisc_2011-10-31

/* open.c -- Implementation of the low-level open() routine

 *

 * Copyright (c) 2004 National Semiconductor Corporation

 *

 * The authors hereby grant permission to use, copy, modify, distribute,

 * and license this software and its documentation for any purpose, provided

 * that existing copyright notices are retained in all copies and that this

 * notice is included verbatim in any distributions. No written agreement,

 * license, or royalty fee is required for any of the authorized uses.

 * Modifications to this software may be copyrighted by their authors

 * and need not follow the licensing terms described here, provided that

 * the new terms are clearly indicated on the first page of each file where

 * they apply.

 */

#include <sys/syscall.h>

#include <stdarg.h>

int open_aux (char *, int, int);

/* The prototype in <fcntl.h> for open() uses ..., meaning function

 * parameters reside on stack, but the debugger expects the parameters

 * to reside in registers, thus we call an auxiliary function with

 * bounded number of parameters.

 */

int open (char *path, int flags, ...)

{

  int mode;

  va_list ap;

  va_start(ap, flags);

  mode = va_arg(ap, int);

  open_aux (path, flags, mode);

  va_end(ap);

}

int open_aux (char *path, int flags, int mode)

{

  HOST_SERVICE (SVC_OPEN);

}