On Wednesday 16 January 2008, srinivas bakki wrote: > > No they aren't. The stack _is_ switched though. > > And how do the arguments reach the kernel stack from the user space if they > were supposed to be fetched from the stack ? > >
The arguments come from userspace in registers. The exception that handles the system call will take the arguments from registers and put them on the stack. Then it will call the actual function that implements a particular system call (say sys_open). Regards, tavi -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [EMAIL PROTECTED] Please read the FAQ at http://kernelnewbies.org/FAQ
