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PR ld/12672 bfd/ * bfd.c (BFD_PLUGIN): Define. (BFD_FLAGS_SAVED, BFD_FLAGS_FOR_BFD_USE_MASK): Add BFD_PLUGIN. * bfd-in2.h: Regenerate. * elflink.c (elf_link_output_extsym): Strip undefined plugin syms. * opncls.c (bfd_make_readable): Don't lose original bfd flags. ld/ * ldfile.c (ldfile_try_open_bfd): Don't attempt any plugin action when no_more_claiming. * ldmain.c (add_archive_element): Likewise. (multiple_definition): Remove plugin_multiple_definition call. (notice): Remove plugin_notice call. * ldlang.c (lang_list_insert_after, void lang_list_remove_tail): Move. Delete prototype. (plugin_insert): New static var. (open_input_bfds): Only rescan libs after plugin insert point. (lang_gc_sections): Omit plugin claimed files. (lang_process): Set plugin_insert. Only rescan when plugin adds objects. * plugin.h (no_more_claiming): Declare. (plugin_notice, plugin_multiple_definition): Don't declare. * plugin.c: Formatting. (orig_notice_all, orig_allow_multiple_defs, orig_callbacks, plugin_callbacks): New static vars. (no_more_claiming): Make global. (plugin_cached_allow_multiple_defs): Delete. (plugin_get_ir_dummy_bfd): Set SEC_EXCLUDE on dummy .text section, use newer bfd_make_section variant. Make COMMON section too. Error handling. Correct setting of gp size. (asymbol_from_plugin_symbol): Properly cast last arg of concat. (message): Likewise for ACONCAT. (asymbol_from_plugin_symbol): Use our COMMON section. (get_symbols): When report_plugin_symbols, show visibility too. (init_non_ironly_hash): Move. Don't test non_ironly_hash. (plugin_load_plugins): Save state of linker callbacks, set up to call plugin_notice instead. Call init_non_ironly_hash here. (plugin_call_all_symbols_read): Set plugin_multiple_definition in plugin callbacks. (plugin_notice): Rewrite. (plugin_multiple_definition): Make static, call original callback. ld/testsuite/ * ld-plugin/plugin-7.d: Adjust for plugin changes. * ld-plugin/plugin-8.d: Likewise. * ld-plugin/plugin.exp: Pass --verbose=2 for visibility test, and compare ld output to.. * ld-plugin/plugin-12.d: New.
70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/* Plugin control for the GNU linker.
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Copyright 2010, 2011 Free Software Foundation, Inc.
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This file is part of the GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef GLD_PLUGIN_H
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#define GLD_PLUGIN_H
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/* Report plugin symbols. */
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extern bfd_boolean report_plugin_symbols;
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/* Set at all symbols read time, to avoid recursively offering the plugin
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its own newly-added input files and libs to claim. */
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extern bfd_boolean no_more_claiming;
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/* This is the only forward declaration we need to avoid having
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to include the plugin-api.h header in order to use this file. */
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struct ld_plugin_input_file;
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/* Handle -plugin arg: find and load plugin, or return error. */
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extern int plugin_opt_plugin (const char *plugin);
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/* Accumulate option arguments for last-loaded plugin, or return
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error if none. */
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extern int plugin_opt_plugin_arg (const char *arg);
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/* Return true if any plugins are active this run. Only valid
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after options have been processed. */
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extern bfd_boolean plugin_active_plugins_p (void);
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/* Load up and initialise all plugins after argument parsing. */
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extern int plugin_load_plugins (void);
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/* Return name of plugin which caused an error in any of the above. */
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extern const char *plugin_error_plugin (void);
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/* Call 'claim file' hook for all plugins. */
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extern int plugin_call_claim_file (const struct ld_plugin_input_file *file,
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int *claimed);
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/* Call 'all symbols read' hook for all plugins. */
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extern int plugin_call_all_symbols_read (void);
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/* Call 'cleanup' hook for all plugins at exit. */
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extern void plugin_call_cleanup (void);
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/* Generate a dummy BFD to represent an IR file, for any callers of
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plugin_call_claim_file to use as the handle in the ld_plugin_input_file
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struct that they build to pass in. The BFD is initially writable, so
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that symbols can be added to it; it must be made readable after the
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add_symbols hook has been called so that it can be read when linking. */
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extern bfd *plugin_get_ir_dummy_bfd (const char *name, bfd *template);
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#endif /* !def GLD_PLUGIN_H */
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