int __clone(
int (*fn)(void *),
void *child_stack,
int flags,
void *arg, ...)
{
void *ptid;
void *tls;
void *ctid;
va_list al;
int err;
va_start(al, arg);
ptid = va_arg(al, void *);
tls = va_arg(al, void *);
ctid = va_arg(al, void *);
va_end(al);
err = EINVAL;
if (!fn)
goto err;
if (!child_stack)
goto err;
/* prepare fn&arg in child_stack */
child_stack = (void *)((unsigned int)child_stack - 8);
*(unsigned int *)child_stack = (unsigned int)fn;
*(unsigned int *)(child_stack + 4) = (unsigned int)arg;
return __csky_clone(flags, child_stack, ptid, ctid, tls);
err:
return __syscall_error(-err);
}
long int
syscall (long int syscall_number, long int arg1, long int arg2, long int arg3,
long int arg4, long int arg5, long int arg6, long int arg7)
{
long int ret;
INTERNAL_SYSCALL_DECL (err);
ret = INTERNAL_SYSCALL_NCS (syscall_number, err, 7, arg1, arg2, arg3, arg4,
arg5, arg6, arg7);
if (INTERNAL_SYSCALL_ERROR_P (ret, err))
return __syscall_error (ret);
return ret;
}
long syscall (long syscall_number, long arg1, long arg2, long arg3,
long arg4, long arg5, long arg6, long arg7)
{
long ret, err;
ret = INTERNAL_SYSCALL_NCS(syscall_number, err, 7, arg1, arg2, arg3, arg4,
arg5, arg6, arg7);
if (INTERNAL_SYSCALL_ERROR_P (ret, err))
{
extern long __syscall_error() attribute_hidden;
return __syscall_error();
}
return ret;
}
