/*
* Handle indirect system calls.
* This interface should be deprecated. The library can handle
* this more efficiently, but keep this implementation for old binaries.
*
* XX64 Needs some work.
*/
int64_t
indir(int code, long a0, long a1, long a2, long a3, long a4)
{
klwp_t *lwp = ttolwp(curthread);
struct sysent *callp;
if (code <= 0 || code >= NSYSCALL)
return (nosys());
ASSERT(lwp->lwp_ap != NULL);
curthread->t_sysnum = code;
callp = LWP_GETSYSENT(lwp) + code;
/*
* Handle argument setup, unless already done in pre_syscall().
*/
if (callp->sy_narg > 5) {
if (save_syscall_args()) /* move args to LWP array */
return ((int64_t)set_errno(EFAULT));
} else if (!lwp->lwp_argsaved) {
long *ap;
ap = lwp->lwp_ap; /* args haven't been saved */
lwp->lwp_ap = ap + 1; /* advance arg pointer */
curthread->t_post_sys = 1; /* so lwp_ap will be reset */
}
return ((*callp->sy_callc)(a0, a1, a2, a3, a4, lwp->lwp_arg[5]));
}
/*
* Indirect syscall handled in libc on x86 architectures
*/
int64_t
indir()
{
return (nosys());
}
int
lkmressys(struct thread *td, struct nosys_args *args)
{
return (nosys(td, args));
}
