finish_thread_state (*ptid_p);
}
+/* See gdbthread.h. */
+
+void
+validate_registers_access (void)
+{
+ /* No selected thread, no registers. */
+ if (ptid_equal (inferior_ptid, null_ptid))
+ error (_("No thread selected."));
+
+ /* Don't try to read from a dead thread. */
+ if (is_exited (inferior_ptid))
+ error (_("The current thread has terminated"));
+
+ /* ... or from a spinning thread. FIXME: This isn't actually fully
+ correct. It'll allow an user-requested access (e.g., "print $pc"
+ at the prompt) when a thread is not executing for some internal
+ reason, but is marked running from the user's perspective. E.g.,
+ the thread is waiting for its turn in the step-over queue. */
+ if (is_executing (inferior_ptid))
+ error (_("Selected thread is running."));
+}
+
int
pc_in_thread_step_range (CORE_ADDR pc, struct thread_info *thread)
{