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[deliverable/binutils-gdb.git] / ld / plugin.h
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5d3236ee 1/* Plugin control for the GNU linker.
498cd2a0 2 Copyright 2010, 2011 Free Software Foundation, Inc.
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3
4 This file is part of the GNU Binutils.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 MA 02110-1301, USA. */
20
21#ifndef GLD_PLUGIN_H
22#define GLD_PLUGIN_H
23
24
25/* This is the only forward declaration we need to avoid having
26 to include the plugin-api.h header in order to use this file. */
27struct ld_plugin_input_file;
28
29/* Handle -plugin arg: find and load plugin, or return error. */
30extern int plugin_opt_plugin (const char *plugin);
31
32/* Accumulate option arguments for last-loaded plugin, or return
33 error if none. */
34extern int plugin_opt_plugin_arg (const char *arg);
35
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36/* Return true if any plugins are active this run. Only valid
37 after options have been processed. */
38extern bfd_boolean plugin_active_plugins_p (void);
39
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40/* Load up and initialise all plugins after argument parsing. */
41extern int plugin_load_plugins (void);
42
43/* Return name of plugin which caused an error in any of the above. */
44extern const char *plugin_error_plugin (void);
45
46/* Call 'claim file' hook for all plugins. */
47extern int plugin_call_claim_file (const struct ld_plugin_input_file *file,
a48d02c9 48 int *claimed);
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49
50/* Call 'all symbols read' hook for all plugins. */
51extern int plugin_call_all_symbols_read (void);
52
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53/* Call 'cleanup' hook for all plugins at exit. */
54extern void plugin_call_cleanup (void);
55
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56/* Generate a dummy BFD to represent an IR file, for any callers of
57 plugin_call_claim_file to use as the handle in the ld_plugin_input_file
58 struct that they build to pass in. The BFD is initially writable, so
59 that symbols can be added to it; it must be made readable after the
60 add_symbols hook has been called so that it can be read when linking. */
61extern bfd *plugin_get_ir_dummy_bfd (const char *name, bfd *template);
62
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63/* Notice-symbol bfd linker callback hook. */
64extern bfd_boolean plugin_notice (struct bfd_link_info *info,
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65 const char *name, bfd *abfd,
66 asection *section, bfd_vma value);
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67
68/* Multiple-definition bfd linker callback hook. */
69extern bfd_boolean plugin_multiple_definition (struct bfd_link_info *info,
a48d02c9 70 const char *name,
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71 bfd *obfd, asection *osec,
72 bfd_vma oval, bfd *nbfd,
73 asection *nsec,
74 bfd_vma nval);
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75
76#endif /* !def GLD_PLUGIN_H */
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