[Bug python/12267] New: gdb.Value of type pointer has a negative address sometimes

markflorisson88 at gmail dot com sourceware-bugzilla@sourceware.org
Thu Nov 25 23:17:00 GMT 2010


http://sourceware.org/bugzilla/show_bug.cgi?id=12267

           Summary: gdb.Value of type pointer has a negative address
                    sometimes
           Product: gdb
           Version: 7.2
            Status: NEW
          Severity: normal
          Priority: P2
         Component: python
        AssignedTo: unassigned@sourceware.org
        ReportedBy: markflorisson88@gmail.com


This problem was encountered when calling a function (using
gdb.parse_and_eval()) in a Python inferior that returns a PyObject *. This is
the result of a debug session with Pdb (the Python Debugger) inside gdb:

(Pdb) print gdbval
<unknown at remote 0x-80f8220>
(Pdb) print gdbval.address
None
(Pdb) long(gdbval)
-135234080L
(Pdb) print gdbval.type
PyObject *

As you can see, the address is negative when you print the value or try to
convert it to a Python long.

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