* rs6000-tdep.c (rs6000_frame_this_id): If info->base is 0,

	return the null frame ID to terminate the backtrace.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4c52d0e..2f8573f 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,10 @@
 2008-05-03  Ulrich Weigand  <uweigand@de.ibm.com>
 
+       * rs6000-tdep.c (rs6000_frame_this_id): If info->base is 0,
+       return the null frame ID to terminate the backtrace.
+
+2008-05-03  Ulrich Weigand  <uweigand@de.ibm.com>
+
        * rs6000-tdep.c: Do not include "rs6000-tdep.h".
        (rs6000_find_toc_address_hook): Move to rs6000-aix-tdep.c.
        (SIG_FRAME_PC_OFFSET): Likewise.

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 6f3d2e5..7907767 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -2550,6 +2550,10 @@ rs6000_frame_this_id (struct frame_info *this_frame, void **this_cache,
 {
   struct rs6000_frame_cache *info = rs6000_frame_cache (this_frame,
                                                        this_cache);
+  /* This marks the outermost frame.  */
+  if (info->base == 0)
+    return;
+
   (*this_id) = frame_id_build (info->base, get_frame_func (this_frame));
 }