malformed symbol

George Neville-Neil gnn at neville-neil.com
Thu Dec 15 22:57:08 UTC 2016



On 15 Dec 2016, at 0:54, Hiroki Sato wrote:

> Robert Mustacchi <rm at joyent.com> wrote
>   in <6b0842f5-46e8-e90e-0cc6-ec0cbe74669a at joyent.com>:
>
> rm> On 12/14/16 14:51 , Hiroki Sato wrote:
> rm> >  This was reproducible on 11.x and 12.x, not on 10.x.  Could anyone
> rm> >  try this and let me know if this is reproducible on your 11.x or 12.x
> rm> >  box?  I guess this is a regression of symbol rewrite routine such as
> rm> >  s/__/-/ in the dtrace utility while I have not investigated the
> rm> >  details yet.  Or am I missing something here?
> rm>
> rm> We've seen something similar on illumos that corresponds with newer
> rm> binutils versions (2.26). See https://www.illumos.org/issues/6653.
>
>  Thank you for the info.  Certainly passing -no-integrated-as flag to
>  clang to make it use an old gas avoids this issue. Simply doing
>  objcopy sample.o before "dtrace -G" is another workaround.
>

Can you open a PR for this one, so we can track it?

Thanks,
George

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