[PATCH] Move DONT_USE_BOOTSTRAP_MAP defininition to dl-machine.h

[Ulrich Drepper]

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Jakub Jelinek wrote:

> __attribute__((visibility("hidden"))) does not guarantee no .got
> references on all arches (well, only on the few where there are suitable
> relocations etc.).

I've checked in a patch for this.  Machine-dependent configure files 
have to define PI_STATIC_AND_HIDDEN (PI = position-independent).  If 
this symbol is defined and HAVE_HIDDEN is defined and 
HAVE_VISIBILITY_ATTRIBUTE is defined we use the new and improved way of 
handling startup in ld.so.

For x86 we unconditionally define PI_STATIC_AND_HIDDEN (note, that any 
user of the macro has to make sure that the symbol visibility is 
suppoerted as well).  For other architectures defining this symbol might 
require running tests.

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