Problems with symbols from libc_nonshared (fwd)

Andreas Schwab schwab@issan.informatik.uni-dortmund.de
Mon Mar 29 15:52:00 GMT 1999


Roland McGrath <roland@frob.com> writes:

|> > Zack Weinberg <zack@rabi.columbia.edu> writes:
|> > 
|> > |> This is a bugreport forwarded from Debian.  I think we need to use a version
|> > |> map to force libc_nonshared.a symbols local when building shared libraries,
|> > |> sort of like what HJ did for libgcc.a in his egcs/Linux patches.
|> > 
|> > That would violate the C standard.
|> 
|> Huh?  Please explain.

The standard guarantees that function pointers are unique.  Forcing stat
et.al to be local would violate this, in case a shared library returns a
pointer to one of them.

Andreas.



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