Index: i386-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/i386-tdep.c,v
retrieving revision 1.230
diff -u -p -r1.230 i386-tdep.c
--- i386-tdep.c	29 Jan 2007 17:31:06 -0000	1.230
+++ i386-tdep.c	1 Feb 2007 17:50:51 -0000
@@ -979,6 +979,12 @@ i386_frame_cache (struct frame_info *nex
 	  /* This will be added back below.  */
 	  cache->saved_regs[I386_EIP_REGNUM] -= cache->base;
 	}
+      else if (cache->pc == 0)
+        {
+          /* We couldn't determine the function start address, bla
+             bla bla.  */
+          cache->saved_regs[I386_EBP_REGNUM] = 0;
+        }
       else
 	{
 	  frame_unwind_register (next_frame, I386_ESP_REGNUM, buf);