[Bug tapsets/18649] int_arg() misbehaves on x86[_64] for 32-bit uprobe in binary having debuginfo

mcermak at redhat dot com sourceware-bugzilla@sourceware.org
Thu Jul 9 09:32:00 GMT 2015


https://sourceware.org/bugzilla/show_bug.cgi?id=18649

--- Comment #1 from Martin Cermak <mcermak at redhat dot com> ---
Other arches seem to work fine in this sense except that s390 has following
limitation in tapset/s390/registers.stp:

=======
        if (%{ CONTEXT->user_mode_p %}) {                                       
                error("Cannot access function args in user context");           
                return 0;                                                       
        } 
======= 

Not sure why this limitation is there. After commenting it out, int_arg() seems
to return correct values.

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