[Bug uprobes/6879] New: does not currently support probing instruction first byte 0x65

["fche at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

A para-callgraph.stp trace of libc produces several dozen such printk warnings
per run.  This is on i686 rhel5.2ish, /lib/libc-2.5.so, __res_init, note
address 0x72e32a:

0072e310 <__res_init>:
  72e310:       55                      push   %ebp
  72e311:       89 e5                   mov    %esp,%ebp
  72e313:       83 ec 14                sub    $0x14,%esp
  72e316:       89 5d f4                mov    %ebx,0xfffffff4(%ebp)
  72e319:       e8 12 49 f3 ff          call   662c30 <__i686.get_pc_thunk.bx>
  72e31e:       81 c3 d6 dc 05 00       add    $0x5dcd6,%ebx
  72e324:       89 75 f8                mov    %esi,0xfffffff8(%ebp)
  72e327:       89 7d fc                mov    %edi,0xfffffffc(%ebp)
  72e32a:       65 a1 00 00 00 00       mov    %gs:0x0,%eax
  72e330:       03 83 bc fe ff ff       add    0xfffffebc(%ebx),%eax
  72e336:       8b 00                   mov    (%eax),%eax
  72e338:       8b 30                   mov    (%eax),%esi

-- 
           Summary: does not currently support probing instruction first
                    byte 0x65
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: uprobes
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: fche at redhat dot com
  GCC host triplet: i686


http://sourceware.org/bugzilla/show_bug.cgi?id=6879

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