binutils-gdb/ld/plugin.h

/* 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);

/* Return true if bfd is a dynamic library that should be reloaded.  */
extern bfd_boolean plugin_should_reload (bfd *);

#endif /* !def GLD_PLUGIN_H */