void
ia32_syscall(struct trapframe *frame)
{
struct thread *td;
struct syscall_args sa;
register_t orig_tf_rflags;
int error;
ksiginfo_t ksi;
orig_tf_rflags = frame->tf_rflags;
td = curthread;
td->td_frame = frame;
error = syscallenter(td, &sa);
/*
* Traced syscall.
*/
if (orig_tf_rflags & PSL_T) {
frame->tf_rflags &= ~PSL_T;
ksiginfo_init_trap(&ksi);
ksi.ksi_signo = SIGTRAP;
ksi.ksi_code = TRAP_TRACE;
ksi.ksi_addr = (void *)frame->tf_rip;
trapsignal(td, &ksi);
}
syscallret(td, error, &sa);
}
static void
syscall(struct thread *td, struct trapframe *frame)
{
int error;
td->td_sa.nap = 4;
error = syscallenter(td);
KASSERT(error != 0 || td->td_ar == NULL,
("returning from syscall with td_ar set!"));
syscallret(td, error);
}
void
syscall(struct trapframe *frame)
{
struct thread *td;
struct syscall_args sa;
int error;
td = curthread;
td->td_frame = frame;
error = syscallenter(td, &sa);
syscallret(td, error, &sa);
}
static void
syscall(struct thread *td, trapframe_t *frame)
{
struct syscall_args sa;
int error;
#ifndef __ARM_EABI__
sa.insn = *(uint32_t *)(frame->tf_pc - INSN_SIZE);
switch (sa.insn & SWI_OS_MASK) {
case 0: /* XXX: we need our own one. */
break;
default:
call_trapsignal(td, SIGILL, 0);
userret(td, frame);
return;
}
#endif
sa.nap = 4;
error = syscallenter(td, &sa);
KASSERT(error != 0 || td->td_ar == NULL,
("returning from syscall with td_ar set!"));
syscallret(td, error, &sa);
}