2005-01-25  Jeff Johnston  <jjohnstn@redhat.com>

	* ia64-tdep.c (getunwind_table): Call the low-level xfer
	unwind table syscall to support backtracing from syscalls in
	a corefile.

--- gdb-6.3/gdb/ia64-tdep.c.fix	Thu Jan 27 12:03:40 2005
+++ gdb-6.3/gdb/ia64-tdep.c	Thu Jan 27 12:06:23 2005
@@ -2357,8 +2357,14 @@ static int
 getunwind_table (void *buf, size_t len)
 {
   LONGEST x;
-  x = target_read_partial (&current_target, TARGET_OBJECT_UNWIND_TABLE, NULL,
-			   buf, 0, len);
+
+  /* FIXME: This is a temporary solution to backtracing syscalls in corefiles.
+            To do this properly, the AUXV section should be used.  This
+	    fix will work as long as the kernel used to generate the corefile
+	    is equivalent to the kernel used to debug the corefile.  */
+  x = ia64_linux_xfer_unwind_table (&current_target, 
+		  		    TARGET_OBJECT_UNWIND_TABLE, NULL,
+			   	    buf, NULL, 0, len);
 
   return (int)x;
 }