binutils-gdb/ld/plugin.h
Alan Modra 02d002477b PR ld/12365
bfd/
	* elfcode.h (elf_slurp_symbol_table): Put common plugin IR symbols
	in their own common section.
	* elflink.c (elf_link_add_object_symbols): Likewise.
	* linker.c (generic_link_check_archive_element): Don't lose flags
	if common section is pre-existing.
	(_bfd_generic_link_add_one_symbol): Likewise.
ld/
	* ldfile.c (ldfile_try_open_bfd): Move code creating and switching
	to plugin IR BFD..
	* ldmain.c (add_archive_element): ..and similar code here..
	* plugin.c (plugin_maybe_claim): ..to here.  New function.
	(plugin_call_claim_file): Make static.
	(asymbol_from_plugin_symbol): Set ELF st_shndx for common syms.
	(plugin_multiple_common): New function.
	(plugin_call_all_symbols_read): Hook in plugin_multiple_common.
	* plugin.h (plugin_call_claim_file): Don't declare.
	(plugin_maybe_claim): Declare.
2011-04-20 00:22:08 +00:00

70 lines
2.7 KiB
C

/* Plugin control for the GNU linker.
Copyright 2010, 2011 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#ifndef GLD_PLUGIN_H
#define GLD_PLUGIN_H
/* Report plugin symbols. */
extern bfd_boolean report_plugin_symbols;
/* Set at all symbols read time, to avoid recursively offering the plugin
its own newly-added input files and libs to claim. */
extern bfd_boolean no_more_claiming;
/* This is the only forward declaration we need to avoid having
to include the plugin-api.h header in order to use this file. */
struct ld_plugin_input_file;
/* Handle -plugin arg: find and load plugin, or return error. */
extern int plugin_opt_plugin (const char *plugin);
/* Accumulate option arguments for last-loaded plugin, or return
error if none. */
extern int plugin_opt_plugin_arg (const char *arg);
/* Return true if any plugins are active this run. Only valid
after options have been processed. */
extern bfd_boolean plugin_active_plugins_p (void);
/* Load up and initialise all plugins after argument parsing. */
extern int plugin_load_plugins (void);
/* Return name of plugin which caused an error in any of the above. */
extern const char *plugin_error_plugin (void);
/* Call 'claim file' hook for all plugins. */
extern void plugin_maybe_claim (struct ld_plugin_input_file *,
lang_input_statement_type *);
/* Call 'all symbols read' hook for all plugins. */
extern int plugin_call_all_symbols_read (void);
/* Call 'cleanup' hook for all plugins at exit. */
extern void plugin_call_cleanup (void);
/* Generate a dummy BFD to represent an IR file, for any callers of
plugin_call_claim_file to use as the handle in the ld_plugin_input_file
struct that they build to pass in. The BFD is initially writable, so
that symbols can be added to it; it must be made readable after the
add_symbols hook has been called so that it can be read when linking. */
extern bfd *plugin_get_ir_dummy_bfd (const char *name, bfd *template);
#endif /* !def GLD_PLUGIN_H */