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[patch ob] Disallow -pie and -static

Ian Lance Taylor iant@google.com
Tue Feb 28 00:10:00 GMT 2012 
"Joseph S. Myers" <joseph@codesourcery.com> writes:

> On Mon, 27 Feb 2012, Ian Lance Taylor wrote:
>
>> You seem to be speaking at some sort of conceptual level.  At the
>> conceptual level, you are correct.  It is possible to define some sort
>> of static PIE.  But there is no such thing today, and implementing it
>> will require changes to the linker.  When it is implemented, we will
>> change the linker such that -pie -static is not an error.
>
> I'd say the dynamic linker itself is a static PIE.  It has PT_DYNAMIC but 
> not PT_INTERP and does any relocation needed itself; it can be run 
> directly as well as as an interpreter.  It is linked with today's linker, 
> albeit in a complicated way.

That is true but as far as I know it is not a approach suitable for
general programs, as it requires writing the program in a particular
way.

Ian
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