- void *sc;
- long result;
- int index, syscall;
-
- syscall = UPT_SYSCALL_NR(regs);
- sc = UPT_SC(regs);
- SC_START_SYSCALL(sc);
-
- index = record_syscall_start(syscall);
- syscall_trace(regs, 1);
- result = execute_syscall(regs);
-
- /* regs->sc may have changed while the system call ran (there may
- * have been an interrupt or segfault), so it needs to be refreshed.
- */
- UPT_SC(regs) = sc;
-
- SC_SET_SYSCALL_RETURN(sc, result);
- if((result == -ERESTARTNOHAND) || (result == -ERESTARTSYS) ||
- (result == -ERESTARTNOINTR))
- do_signal(result);
-
- syscall_trace(regs, 0);
- record_syscall_end(index, result);