[PATCH] [GOLD] Add plugin API for processing plugin-added input files

[Stephen Crane]

Cary Coutant <ccoutant@gmail.com> writes:

> The patch for include/plugin-api.h needs to be separated out (with a
> ChangeLog entry of its own), and applied first to the GCC tree, then
> synced to binutils. After that, the rest of this patch is OK to apply.

Thanks. Attached is the patch for plugin-api.h which needs to be applied
to GCC and binutils (plugin_api_new_input.patch). Also attached is the
gold patch to implement the new functionality
(gold_new_input_handler.patch). ChangeLogs for both patches are below. I
don't have write access to either repo, so would you be willing to
commit on my behalf?

> Can you also update the GCC wiki whopr/driver page?

I'd be happy to if I can be added to the EditorGroup (my username is
StephenCrane).


include/ChangeLog:
2017-11-09  Stephen Crane  <sjc@immunant.com>

	* plugin-api.h: Add new plugin hook to allow processing of input
	files added by a plugin.
	(ld_plugin_new_input_handler): New funcion hook type.
	(ld_plugin_register_new_input): New interface.
	(LDPT_REGISTER_NEW_INPUT_HOOK): New enum val.
	(tv_register_new_input): New member.


gold/ChangeLog:
2017-11-09  Stephen Crane  <sjc@immunant.com>

	* plugin.cc (Plugin::load): Include hooks for register_new_input
	in transfer vector.
	(Plugin::new_input): New function.
	(register_new_input): New function.
	(Plugin_manager::claim_file): Call Plugin::new_input if in
	replacement phase.
	* plugin.h (Plugin::set_new_input_handler): New function.
	* testsuite/plugin_new_section_layout.c: New plugin to test
	new_input plugin API.
	* testsuite/plugin_final_layout.sh: Add new input test.
	* testsuite/Makefile.am (plugin_layout_new_file): New test case.
	* testsuite/Makefile.in: Regenerate.

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