1 files changed, 24 insertions, 0 deletions
diff --git a/cpukit/rtems/src/intrcatch.c b/cpukit/rtems/src/intrcatch.c
index 0326a187f1..e5c7176fc7 100644
--- a/cpukit/rtems/src/intrcatch.c
+++ b/cpukit/rtems/src/intrcatch.c
@@ -25,6 +25,30 @@
 
 #if (CPU_SIMPLE_VECTORED_INTERRUPTS == TRUE)
 
+/**
+ * This function returns true if the vector is a valid vector number
+ * for this processor and false otherwise.
+ */
+
+RTEMS_INLINE_ROUTINE bool _ISR_Is_vector_number_valid (
+  uint32_t   vector
+)
+{
+  return ( vector <= CPU_INTERRUPT_MAXIMUM_VECTOR_NUMBER );
+}
+
+/**
+ * This function returns true if handler is the entry point of a valid
+ * use interrupt service routine and false otherwise.
+ */
+
+RTEMS_INLINE_ROUTINE bool _ISR_Is_valid_user_handler (
+  void *handler
+)
+{
+  return (handler != NULL);
+}
+
 rtems_status_code rtems_interrupt_catch(
   rtems_isr_entry      new_isr_handler,
   rtems_vector_number  vector,