[3/6][PATCH] Revise linker plugin API to better preserve link order.

[Alan Modra]

On Sat, Feb 26, 2011 at 12:45:57AM +0000, Dave Korn wrote:
> 	* ldlang.h (lang_input_statement_type): Add new 'claim_archive' flag,
> 	wrapping both it and 'claim' flag in #ifdef ENABLE_PLUGINS.
> 	* ldmain.c (add_archive_element): Set it if the member is claimed.
> 	* ldlang.c (new_afile): Initialise claim_archive and claimed members.
> 	(find_replacements_insert_point): New helper function.
> 	(lang_process): After adding and opening replacement files passed
> 	from plugin, splice them into correct place in statement list and
> 	file chains to preserve critical link order.
> 	(lang_list_insert_after): New helper function.
> 	(lang_list_remove_tail): Likewise.

OK.

-- 
Alan Modra
Australia Development Lab, IBM