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Change ld "notice" interface for better handling of indirect symbols

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The main aim of this change was to have non_ir_ref set correctly on
new indirect symbols.  I could have added a "copy" param to the "notice"
function, so that indirect symbols could be created in plugin_notice,
but it seemed cleaner to create indirect syms earlier and pass them
rather than "string" to "notice".

include/
	* bfdlink.h (struct bfd_link_callbacks <notice>): Remove "string"
	param, add "inh".
bfd/
	* coff-aux.c (coff_m68k_aux_link_add_one_symbol): Only call "notice"
	here when not calling the generic add_symbol function.  Formatting.
	Correct handling of indirect symbols.  Update notice call.
	* elflink.c (_bfd_elf_notice_as_needed): Update notice call.
	* linker.c (_bfd_generic_link_add_one_symbol): Create indirect
	symbols early.  Update notice call.  Add comments regarding weak
	symbols vs. indirect.
ld/
	* ldmain.c (notice): Update args.
	* plugin.c (plugin_notice): Likewise.  Follow warning sym link.
	Handle new indirect symbol.
This commit is contained in:
Alan Modra
2014-08-12 10:43:33 +09:30
parent 88d3f0870b
commit 4613510308
9 changed files with 128 additions and 91 deletions
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2
bfd/elflink.c
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@@ -3299,7 +3299,7 @@ _bfd_elf_notice_as_needed (bfd *ibfd,
struct bfd_link_info *info,
enum notice_asneeded_action act)
{
return (*info->callbacks->notice) (info, NULL, ibfd, NULL, act, 0, NULL);
return (*info->callbacks->notice) (info, NULL, NULL, ibfd, NULL, act, 0);
}
/* Add symbols from an ELF object file to the linker hash table. */