Merge r6128:

Interface changes for m_debuginfo:
- new fn VG_(di_aix5_notify_segchange) to notify XCOFF loads/unloads
- new fn VG_(lookup_symbol_SLOW) for looking up the address of a fn
  given its name and soname



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6265

include/pub_tool_debuginfo.h

@@ -119,6 +119,7 @@ extern Int  VG_(seginfo_syms_howmany) ( const SegInfo *si );
 extern void VG_(seginfo_syms_getidx)  ( const SegInfo *si, 
                                         Int idx,
                                         /*OUT*/Addr*   addr,
+                                        /*OUT*/Addr*   tocptr,
                                         /*OUT*/UInt*   size,
                                         /*OUT*/HChar** name );