Subversion Repositories or1k

#include <fcntl.h>

#include <errno.h>

#include <sys/syscall.h>

#include <stdarg.h>

int

__open(const char * filename, int flag, ...)

{

        int res;

        register int d0 asm ("%d0");

        va_list arg;

        va_start(arg,flag);

        __asm__("movel %2,%/d1\n\t"

                "movel %3,%/d2\n\t"

                "movel %4,%/d3\n\t"

                "trap #0\n\t"

                :"=g" (d0)

                :"0" (SYS_open),"g" (filename),"g" (flag),

                 "g" (va_arg(arg,int))

                : "%d0", "%d1", "%d2", "%d3");

        res = d0;

        if (res>=0)

                return res;

        errno = -res;

        va_end(arg);

        return -1;

}