[PATCH 4/4] ld: add hidden and internal visibility support for XCOFF

[Nick Clifton]

Hi Clement,

> This patch adds a primary support for hidden and internal visibility in
> GNU linker for XCOFF format.
> The protected visibility isn't yet supported.
> 
> PR 22085
> 
> bfd/ChangeLog:
> 
> 	* xcofflink.c (xcoff_dynamic_definition_p): Add hidden
> 	  and internal visibility support.
> 	(xcoff_link_add_symbols): Likewise.
> 	(xcoff_auto_export_p): Likewise.
> 	(bfd_xcoff_export_symbol): Likewise.
> 	(xcoff_link_input_bfd): Likewise.
> 
> ld/ChangeLog:
> 
> 	* testsuite/ld-vsb/main.c: Adapt for XCOFF.
> 	* testsuite/ld-vsb/sh1.c: Likewse.
> 	* testsuite/ld-vsb/vsb.exp: Likewise.
> 	* testsuite/ld-vsb/visibility-1-xcoff-32.d: New test.
> 	* testsuite/ld-vsb/visibility-1-xcoff-64.d: New test.
> 	* testsuite/ld-vsb/visibility-2-xcoff-32.d: New test.
> 	* testsuite/ld-vsb/visibility-2-xcoff-64.d: New test.
> 	* testsuite/ld-vsb/xcoffvsb.dat: New test.

Approved - please apply.

Cheers
   Nick