[PATCH] Add overlay event support to testcase.

[Michael Snyder <msnyder@cygnus.com>]

2002-04-04  Michael Snyder  <msnyder@redhat.com>

	* gdb.base/ovlymgr.c: Add overlay event breakpoint support.

Index: gdb.base/ovlymgr.c
===================================================================
RCS file: /cvs/src/src/gdb/testsuite/gdb.base/ovlymgr.c,v
retrieving revision 1.2
diff -c -3 -p -r1.2 ovlymgr.c
*** ovlymgr.c	2002/02/05 03:44:25	1.2
--- ovlymgr.c	2002/04/04 19:47:38
*************** FlushCache (void)
*** 30,35 ****
--- 30,44 ----
  #endif
  }
  
+ /* _ovly_debug_event:
+  * Debuggers may set a breakpoint here, to be notified 
+  * when the overlay table has been modified.
+  */
+ static void
+ _ovly_debug_event (void)
+ {
+ }
+ 
  /* OverlayLoad:
   * Copy the overlay into its runtime region,
   * and mark the overlay as "mapped".
*************** OverlayLoad (unsigned long ovlyno)
*** 57,63 ****
  	     _ovly_table[ovlyno][SIZE]);
  
    FlushCache ();
! 
    return TRUE;
  }
  
--- 66,72 ----
  	     _ovly_table[ovlyno][SIZE]);
  
    FlushCache ();
!   _ovly_debug_event ();
    return TRUE;
  }
  
*************** OverlayUnload (unsigned long ovlyno)
*** 80,85 ****
--- 89,95 ----
  	     _ovly_table[ovlyno][VMA],
  	     _ovly_table[ovlyno][SIZE]);
  
+   _ovly_debug_event ();
    return TRUE;
  }