Index: frame.c
===================================================================
RCS file: /cvs/src/src/gdb/frame.c,v
retrieving revision 1.127.2.5
diff -c -p -r1.127.2.5 frame.c
*** frame.c	15 Jul 2003 17:45:29 -0000	1.127.2.5
--- frame.c	24 Jul 2003 16:40:59 -0000
*************** create_new_frame (CORE_ADDR addr, CORE_A
*** 1261,1266 ****
--- 1261,1268 ----
  struct frame_info *
  get_next_frame (struct frame_info *this_frame)
  {
+   if(this_frame==NULL)
+     return NULL;
    if (this_frame->level > 0)
      return this_frame->next;
    else
*************** get_prev_frame (struct frame_info *this_
*** 2042,2047 ****
--- 2044,2050 ----
  CORE_ADDR
  get_frame_pc (struct frame_info *frame)
  {
+   if(frame==NULL) return 0;
    gdb_assert (frame->next != NULL);
    return frame_pc_unwind (frame->next);
  }
*************** get_frame_type (struct frame_info *frame
*** 2173,2178 ****
--- 2176,2183 ----
  {
    /* Some targets still don't use [generic] dummy frames.  Catch them
       here.  */
+   if(frame==NULL)
+     return DUMMY_FRAME;
    if (!DEPRECATED_USE_GENERIC_DUMMY_FRAMES
        && deprecated_frame_in_dummy (frame))
      return DUMMY_FRAME;