1 // plugin.cc -- plugin manager for gold -*- C++ -*-
3 // Copyright 2008, 2009 Free Software Foundation, Inc.
4 // Written by Cary Coutant <ccoutant@google.com>.
6 // This file is part of gold.
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 3 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21 // MA 02110-1301, USA.
35 #include "parameters.h"
51 // The linker's exported interfaces.
56 static enum ld_plugin_status
57 register_claim_file(ld_plugin_claim_file_handler handler
);
59 static enum ld_plugin_status
60 register_all_symbols_read(ld_plugin_all_symbols_read_handler handler
);
62 static enum ld_plugin_status
63 register_cleanup(ld_plugin_cleanup_handler handler
);
65 static enum ld_plugin_status
66 add_symbols(void *handle
, int nsyms
, const struct ld_plugin_symbol
*syms
);
68 static enum ld_plugin_status
69 get_input_file(const void *handle
, struct ld_plugin_input_file
*file
);
71 static enum ld_plugin_status
72 release_input_file(const void *handle
);
74 static enum ld_plugin_status
75 get_symbols(const void *handle
, int nsyms
, struct ld_plugin_symbol
*syms
);
77 static enum ld_plugin_status
78 add_input_file(char *pathname
);
80 static enum ld_plugin_status
81 add_input_library(char *pathname
);
83 static enum ld_plugin_status
84 message(int level
, const char *format
, ...);
88 #endif // ENABLE_PLUGINS
90 static Pluginobj
* make_sized_plugin_object(Input_file
* input_file
,
91 off_t offset
, off_t filesize
);
95 // Load one plugin library.
100 #ifdef ENABLE_PLUGINS
101 // Load the plugin library.
102 // FIXME: Look for the library in standard locations.
103 this->handle_
= dlopen(this->filename_
.c_str(), RTLD_NOW
);
104 if (this->handle_
== NULL
)
106 gold_error(_("%s: could not load plugin library"),
107 this->filename_
.c_str());
111 // Find the plugin's onload entry point.
112 ld_plugin_onload onload
= reinterpret_cast<ld_plugin_onload
>
113 (dlsym(this->handle_
, "onload"));
116 gold_error(_("%s: could not find onload entry point"),
117 this->filename_
.c_str());
121 // Get the linker's version number.
122 const char* ver
= get_version_string();
125 sscanf(ver
, "%d.%d", &major
, &minor
);
127 // Allocate and populate a transfer vector.
128 const int tv_fixed_size
= 14;
129 int tv_size
= this->args_
.size() + tv_fixed_size
;
130 ld_plugin_tv
*tv
= new ld_plugin_tv
[tv_size
];
132 // Put LDPT_MESSAGE at the front of the list so the plugin can use it
133 // while processing subsequent entries.
135 tv
[i
].tv_tag
= LDPT_MESSAGE
;
136 tv
[i
].tv_u
.tv_message
= message
;
139 tv
[i
].tv_tag
= LDPT_API_VERSION
;
140 tv
[i
].tv_u
.tv_val
= LD_PLUGIN_API_VERSION
;
143 tv
[i
].tv_tag
= LDPT_GOLD_VERSION
;
144 tv
[i
].tv_u
.tv_val
= major
* 100 + minor
;
147 tv
[i
].tv_tag
= LDPT_LINKER_OUTPUT
;
148 if (parameters
->options().relocatable())
149 tv
[i
].tv_u
.tv_val
= LDPO_REL
;
150 else if (parameters
->options().shared())
151 tv
[i
].tv_u
.tv_val
= LDPO_DYN
;
153 tv
[i
].tv_u
.tv_val
= LDPO_EXEC
;
155 for (unsigned int j
= 0; j
< this->args_
.size(); ++j
)
158 tv
[i
].tv_tag
= LDPT_OPTION
;
159 tv
[i
].tv_u
.tv_string
= this->args_
[j
].c_str();
163 tv
[i
].tv_tag
= LDPT_REGISTER_CLAIM_FILE_HOOK
;
164 tv
[i
].tv_u
.tv_register_claim_file
= register_claim_file
;
167 tv
[i
].tv_tag
= LDPT_REGISTER_ALL_SYMBOLS_READ_HOOK
;
168 tv
[i
].tv_u
.tv_register_all_symbols_read
= register_all_symbols_read
;
171 tv
[i
].tv_tag
= LDPT_REGISTER_CLEANUP_HOOK
;
172 tv
[i
].tv_u
.tv_register_cleanup
= register_cleanup
;
175 tv
[i
].tv_tag
= LDPT_ADD_SYMBOLS
;
176 tv
[i
].tv_u
.tv_add_symbols
= add_symbols
;
179 tv
[i
].tv_tag
= LDPT_GET_INPUT_FILE
;
180 tv
[i
].tv_u
.tv_get_input_file
= get_input_file
;
183 tv
[i
].tv_tag
= LDPT_RELEASE_INPUT_FILE
;
184 tv
[i
].tv_u
.tv_release_input_file
= release_input_file
;
187 tv
[i
].tv_tag
= LDPT_GET_SYMBOLS
;
188 tv
[i
].tv_u
.tv_get_symbols
= get_symbols
;
191 tv
[i
].tv_tag
= LDPT_ADD_INPUT_FILE
;
192 tv
[i
].tv_u
.tv_add_input_file
= add_input_file
;
195 tv
[i
].tv_tag
= LDPT_ADD_INPUT_LIBRARY
;
196 tv
[i
].tv_u
.tv_add_input_library
= add_input_library
;
199 tv
[i
].tv_tag
= LDPT_NULL
;
200 tv
[i
].tv_u
.tv_val
= 0;
202 gold_assert(i
== tv_size
- 1);
204 // Call the onload entry point.
208 #endif // ENABLE_PLUGINS
211 // Call the plugin claim-file handler.
214 Plugin::claim_file(struct ld_plugin_input_file
*plugin_input_file
)
218 if (this->claim_file_handler_
!= NULL
)
220 (*this->claim_file_handler_
)(plugin_input_file
, &claimed
);
227 // Call the all-symbols-read handler.
230 Plugin::all_symbols_read()
232 if (this->all_symbols_read_handler_
!= NULL
)
233 (*this->all_symbols_read_handler_
)();
236 // Call the cleanup handler.
241 if (this->cleanup_handler_
!= NULL
&& !this->cleanup_done_
)
243 // Set this flag before calling to prevent a recursive plunge
244 // in the event that a plugin's cleanup handler issues a
246 this->cleanup_done_
= true;
247 (*this->cleanup_handler_
)();
251 // Plugin_manager methods.
253 Plugin_manager::~Plugin_manager()
255 for (Plugin_list::iterator p
= this->plugins_
.begin();
256 p
!= this->plugins_
.end();
259 this->plugins_
.clear();
260 for (Object_list::iterator obj
= this->objects_
.begin();
261 obj
!= this->objects_
.end();
264 this->objects_
.clear();
267 // Load all plugin libraries.
270 Plugin_manager::load_plugins()
272 for (this->current_
= this->plugins_
.begin();
273 this->current_
!= this->plugins_
.end();
275 (*this->current_
)->load();
278 // Call the plugin claim-file handlers in turn to see if any claim the file.
281 Plugin_manager::claim_file(Input_file
* input_file
, off_t offset
,
284 if (this->in_replacement_phase_
)
287 unsigned int handle
= this->objects_
.size();
288 this->input_file_
= input_file
;
289 this->plugin_input_file_
.name
= input_file
->filename().c_str();
290 this->plugin_input_file_
.fd
= input_file
->file().descriptor();
291 this->plugin_input_file_
.offset
= offset
;
292 this->plugin_input_file_
.filesize
= filesize
;
293 this->plugin_input_file_
.handle
= reinterpret_cast<void*>(handle
);
295 for (this->current_
= this->plugins_
.begin();
296 this->current_
!= this->plugins_
.end();
299 if ((*this->current_
)->claim_file(&this->plugin_input_file_
))
301 if (this->objects_
.size() > handle
)
302 return this->objects_
[handle
];
304 // If the plugin claimed the file but did not call the
305 // add_symbols callback, we need to create the Pluginobj now.
306 Pluginobj
* obj
= this->make_plugin_object(handle
);
314 // Call the all-symbols-read handlers.
317 Plugin_manager::all_symbols_read(Workqueue
* workqueue
, Task
* task
,
318 Input_objects
* input_objects
,
319 Symbol_table
* symtab
, Layout
* layout
,
320 Dirsearch
* dirpath
, Mapfile
* mapfile
,
321 Task_token
** last_blocker
)
323 this->in_replacement_phase_
= true;
324 this->workqueue_
= workqueue
;
326 this->input_objects_
= input_objects
;
327 this->symtab_
= symtab
;
328 this->layout_
= layout
;
329 this->dirpath_
= dirpath
;
330 this->mapfile_
= mapfile
;
331 this->this_blocker_
= NULL
;
333 for (this->current_
= this->plugins_
.begin();
334 this->current_
!= this->plugins_
.end();
336 (*this->current_
)->all_symbols_read();
338 *last_blocker
= this->this_blocker_
;
341 // Layout deferred objects.
344 Plugin_manager::layout_deferred_objects()
346 Deferred_layout_list::iterator obj
;
348 for (obj
= this->deferred_layout_objects_
.begin();
349 obj
!= this->deferred_layout_objects_
.end();
351 (*obj
)->layout_deferred_sections(this->layout_
);
354 // Call the cleanup handlers.
357 Plugin_manager::cleanup()
359 for (this->current_
= this->plugins_
.begin();
360 this->current_
!= this->plugins_
.end();
362 (*this->current_
)->cleanup();
365 // Make a new Pluginobj object. This is called when the plugin calls
366 // the add_symbols API.
369 Plugin_manager::make_plugin_object(unsigned int handle
)
371 // Make sure we aren't asked to make an object for the same handle twice.
372 if (this->objects_
.size() != handle
)
375 Pluginobj
* obj
= make_sized_plugin_object(this->input_file_
,
376 this->plugin_input_file_
.offset
,
377 this->plugin_input_file_
.filesize
);
378 this->objects_
.push_back(obj
);
382 // Get the input file information with an open (possibly re-opened)
386 Plugin_manager::get_input_file(unsigned int handle
,
387 struct ld_plugin_input_file
*file
)
389 Pluginobj
* obj
= this->object(handle
);
391 return LDPS_BAD_HANDLE
;
393 obj
->lock(this->task_
);
394 file
->name
= obj
->filename().c_str();
395 file
->fd
= obj
->descriptor();
396 file
->offset
= obj
->offset();
397 file
->filesize
= obj
->filesize();
398 file
->handle
= reinterpret_cast<void*>(handle
);
402 // Release the input file.
405 Plugin_manager::release_input_file(unsigned int handle
)
407 Pluginobj
* obj
= this->object(handle
);
409 return LDPS_BAD_HANDLE
;
411 obj
->unlock(this->task_
);
415 // Add a new input file.
418 Plugin_manager::add_input_file(char *pathname
, bool is_lib
)
420 Input_file_argument
file(pathname
,
422 ? Input_file_argument::INPUT_FILE_TYPE_LIBRARY
423 : Input_file_argument::INPUT_FILE_TYPE_FILE
),
424 "", false, this->options_
);
425 Input_argument
* input_argument
= new Input_argument(file
);
426 Task_token
* next_blocker
= new Task_token(true);
427 next_blocker
->add_blocker();
428 if (this->layout_
->incremental_inputs())
429 gold_error(_("input files added by plug-ins in --incremental mode not "
431 this->workqueue_
->queue_soon(new Read_symbols(this->input_objects_
,
441 this->this_blocker_
= next_blocker
;
447 Pluginobj::Pluginobj(const std::string
& name
, Input_file
* input_file
,
448 off_t offset
, off_t filesize
)
449 : Object(name
, input_file
, false, offset
),
450 nsyms_(0), syms_(NULL
), symbols_(), filesize_(filesize
), comdat_map_()
454 // Return TRUE if a defined symbol might be reachable from outside the
455 // universe of claimed objects.
458 is_visible_from_outside(Symbol
* lsym
)
460 if (lsym
->in_real_elf())
462 if (parameters
->options().relocatable())
464 if (parameters
->options().export_dynamic() || parameters
->options().shared())
465 return lsym
->is_externally_visible();
469 // Get symbol resolution info.
472 Pluginobj::get_symbol_resolution_info(int nsyms
, ld_plugin_symbol
* syms
) const
474 if (nsyms
> this->nsyms_
)
476 for (int i
= 0; i
< nsyms
; i
++)
478 ld_plugin_symbol
* isym
= &syms
[i
];
479 Symbol
* lsym
= this->symbols_
[i
];
480 ld_plugin_symbol_resolution res
= LDPR_UNKNOWN
;
482 if (lsym
->is_undefined())
483 // The symbol remains undefined.
485 else if (isym
->def
== LDPK_UNDEF
486 || isym
->def
== LDPK_WEAKUNDEF
487 || isym
->def
== LDPK_COMMON
)
489 // The original symbol was undefined or common.
490 if (lsym
->source() != Symbol::FROM_OBJECT
)
491 res
= LDPR_RESOLVED_EXEC
;
492 else if (lsym
->object()->pluginobj() != NULL
)
493 res
= LDPR_RESOLVED_IR
;
494 else if (lsym
->object()->is_dynamic())
495 res
= LDPR_RESOLVED_DYN
;
497 res
= LDPR_RESOLVED_EXEC
;
501 // The original symbol was a definition.
502 if (lsym
->source() != Symbol::FROM_OBJECT
)
503 res
= LDPR_PREEMPTED_REG
;
504 else if (lsym
->object() == static_cast<const Object
*>(this))
505 res
= (is_visible_from_outside(lsym
)
506 ? LDPR_PREVAILING_DEF
507 : LDPR_PREVAILING_DEF_IRONLY
);
509 res
= (lsym
->object()->pluginobj() != NULL
511 : LDPR_PREEMPTED_REG
);
513 isym
->resolution
= res
;
518 // Return TRUE if the comdat group with key COMDAT_KEY from this object
522 Pluginobj::include_comdat_group(std::string comdat_key
, Layout
* layout
)
524 std::pair
<Comdat_map::iterator
, bool> ins
=
525 this->comdat_map_
.insert(std::make_pair(comdat_key
, false));
527 // If this is the first time we've seen this comdat key, ask the
528 // layout object whether it should be included.
530 ins
.first
->second
= layout
->find_or_add_kept_section(comdat_key
,
534 return ins
.first
->second
;
537 // Class Sized_pluginobj.
539 template<int size
, bool big_endian
>
540 Sized_pluginobj
<size
, big_endian
>::Sized_pluginobj(
541 const std::string
& name
,
542 Input_file
* input_file
,
545 : Pluginobj(name
, input_file
, offset
, filesize
)
549 // Read the symbols. Not used for plugin objects.
551 template<int size
, bool big_endian
>
553 Sized_pluginobj
<size
, big_endian
>::do_read_symbols(Read_symbols_data
*)
558 // Lay out the input sections. Not used for plugin objects.
560 template<int size
, bool big_endian
>
562 Sized_pluginobj
<size
, big_endian
>::do_layout(Symbol_table
*, Layout
*,
568 // Add the symbols to the symbol table.
570 template<int size
, bool big_endian
>
572 Sized_pluginobj
<size
, big_endian
>::do_add_symbols(Symbol_table
* symtab
,
576 const int sym_size
= elfcpp::Elf_sizes
<size
>::sym_size
;
577 unsigned char symbuf
[sym_size
];
578 elfcpp::Sym
<size
, big_endian
> sym(symbuf
);
579 elfcpp::Sym_write
<size
, big_endian
> osym(symbuf
);
581 typedef typename
elfcpp::Elf_types
<size
>::Elf_WXword Elf_size_type
;
583 this->symbols_
.resize(this->nsyms_
);
585 for (int i
= 0; i
< this->nsyms_
; ++i
)
587 const struct ld_plugin_symbol
*isym
= &this->syms_
[i
];
588 const char* name
= isym
->name
;
589 const char* ver
= isym
->version
;
590 elfcpp::Elf_Half shndx
;
594 if (name
!= NULL
&& name
[0] == '\0')
596 if (ver
!= NULL
&& ver
[0] == '\0')
603 bind
= elfcpp::STB_WEAK
;
609 bind
= elfcpp::STB_GLOBAL
;
617 shndx
= elfcpp::SHN_ABS
;
620 shndx
= elfcpp::SHN_COMMON
;
625 shndx
= elfcpp::SHN_UNDEF
;
629 switch (isym
->visibility
)
632 vis
= elfcpp::STV_DEFAULT
;
635 vis
= elfcpp::STV_DEFAULT
;
638 vis
= elfcpp::STV_DEFAULT
;
642 vis
= elfcpp::STV_DEFAULT
;
646 if (isym
->comdat_key
!= NULL
647 && isym
->comdat_key
[0] != '\0'
648 && !this->include_comdat_group(isym
->comdat_key
, layout
))
649 shndx
= elfcpp::SHN_UNDEF
;
652 osym
.put_st_value(0);
653 osym
.put_st_size(static_cast<Elf_size_type
>(isym
->size
));
654 osym
.put_st_info(bind
, elfcpp::STT_NOTYPE
);
655 osym
.put_st_other(vis
, 0);
656 osym
.put_st_shndx(shndx
);
659 symtab
->add_from_pluginobj
<size
, big_endian
>(this, name
, ver
, &sym
);
663 // Get the size of a section. Not used for plugin objects.
665 template<int size
, bool big_endian
>
667 Sized_pluginobj
<size
, big_endian
>::do_section_size(unsigned int)
673 // Get the name of a section. Not used for plugin objects.
675 template<int size
, bool big_endian
>
677 Sized_pluginobj
<size
, big_endian
>::do_section_name(unsigned int)
680 return std::string();
683 // Return a view of the contents of a section. Not used for plugin objects.
685 template<int size
, bool big_endian
>
687 Sized_pluginobj
<size
, big_endian
>::do_section_contents(unsigned int)
695 // Return section flags. Not used for plugin objects.
697 template<int size
, bool big_endian
>
699 Sized_pluginobj
<size
, big_endian
>::do_section_flags(unsigned int)
705 // Return section entsize. Not used for plugin objects.
707 template<int size
, bool big_endian
>
709 Sized_pluginobj
<size
, big_endian
>::do_section_entsize(unsigned int)
715 // Return section address. Not used for plugin objects.
717 template<int size
, bool big_endian
>
719 Sized_pluginobj
<size
, big_endian
>::do_section_address(unsigned int)
725 // Return section type. Not used for plugin objects.
727 template<int size
, bool big_endian
>
729 Sized_pluginobj
<size
, big_endian
>::do_section_type(unsigned int)
735 // Return the section link field. Not used for plugin objects.
737 template<int size
, bool big_endian
>
739 Sized_pluginobj
<size
, big_endian
>::do_section_link(unsigned int)
745 // Return the section link field. Not used for plugin objects.
747 template<int size
, bool big_endian
>
749 Sized_pluginobj
<size
, big_endian
>::do_section_info(unsigned int)
755 // Return the section alignment. Not used for plugin objects.
757 template<int size
, bool big_endian
>
759 Sized_pluginobj
<size
, big_endian
>::do_section_addralign(unsigned int)
765 // Return the Xindex structure to use. Not used for plugin objects.
767 template<int size
, bool big_endian
>
769 Sized_pluginobj
<size
, big_endian
>::do_initialize_xindex()
775 // Get symbol counts. Not used for plugin objects.
777 template<int size
, bool big_endian
>
779 Sized_pluginobj
<size
, big_endian
>::do_get_global_symbol_counts(const Symbol_table
*,
780 size_t*, size_t*) const
785 // Class Plugin_finish. This task runs after all replacement files have
786 // been added. It calls each plugin's cleanup handler.
788 class Plugin_finish
: public Task
791 Plugin_finish(Task_token
* this_blocker
, Task_token
* next_blocker
)
792 : this_blocker_(this_blocker
), next_blocker_(next_blocker
)
797 if (this->this_blocker_
!= NULL
)
798 delete this->this_blocker_
;
804 if (this->this_blocker_
!= NULL
&& this->this_blocker_
->is_blocked())
805 return this->this_blocker_
;
810 locks(Task_locker
* tl
)
811 { tl
->add(this, this->next_blocker_
); }
816 Plugin_manager
* plugins
= parameters
->options().plugins();
817 gold_assert(plugins
!= NULL
);
823 { return "Plugin_finish"; }
826 Task_token
* this_blocker_
;
827 Task_token
* next_blocker_
;
830 // Class Plugin_hook.
832 Plugin_hook::~Plugin_hook()
836 // Return whether a Plugin_hook task is runnable.
839 Plugin_hook::is_runnable()
841 if (this->this_blocker_
!= NULL
&& this->this_blocker_
->is_blocked())
842 return this->this_blocker_
;
846 // Return a Task_locker for a Plugin_hook task. We don't need any
850 Plugin_hook::locks(Task_locker
*)
854 // Run the "all symbols read" plugin hook.
857 Plugin_hook::run(Workqueue
* workqueue
)
859 gold_assert(this->options_
.has_plugins());
860 this->options_
.plugins()->all_symbols_read(workqueue
,
862 this->input_objects_
,
867 &this->this_blocker_
);
868 workqueue
->queue_soon(new Plugin_finish(this->this_blocker_
,
869 this->next_blocker_
));
872 // The C interface routines called by the plugins.
874 #ifdef ENABLE_PLUGINS
876 // Register a claim-file handler.
878 static enum ld_plugin_status
879 register_claim_file(ld_plugin_claim_file_handler handler
)
881 gold_assert(parameters
->options().has_plugins());
882 parameters
->options().plugins()->set_claim_file_handler(handler
);
886 // Register an all-symbols-read handler.
888 static enum ld_plugin_status
889 register_all_symbols_read(ld_plugin_all_symbols_read_handler handler
)
891 gold_assert(parameters
->options().has_plugins());
892 parameters
->options().plugins()->set_all_symbols_read_handler(handler
);
896 // Register a cleanup handler.
898 static enum ld_plugin_status
899 register_cleanup(ld_plugin_cleanup_handler handler
)
901 gold_assert(parameters
->options().has_plugins());
902 parameters
->options().plugins()->set_cleanup_handler(handler
);
906 // Add symbols from a plugin-claimed input file.
908 static enum ld_plugin_status
909 add_symbols(void* handle
, int nsyms
, const ld_plugin_symbol
*syms
)
911 gold_assert(parameters
->options().has_plugins());
912 Pluginobj
* obj
= parameters
->options().plugins()->make_plugin_object(
913 static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle
)));
916 obj
->store_incoming_symbols(nsyms
, syms
);
920 // Get the input file information with an open (possibly re-opened)
923 static enum ld_plugin_status
924 get_input_file(const void *handle
, struct ld_plugin_input_file
*file
)
926 gold_assert(parameters
->options().has_plugins());
927 unsigned int obj_index
=
928 static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle
));
929 return parameters
->options().plugins()->get_input_file(obj_index
, file
);
932 // Release the input file.
934 static enum ld_plugin_status
935 release_input_file(const void *handle
)
937 gold_assert(parameters
->options().has_plugins());
938 unsigned int obj_index
=
939 static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle
));
940 return parameters
->options().plugins()->release_input_file(obj_index
);
943 // Get the symbol resolution info for a plugin-claimed input file.
945 static enum ld_plugin_status
946 get_symbols(const void * handle
, int nsyms
, ld_plugin_symbol
* syms
)
948 gold_assert(parameters
->options().has_plugins());
949 Pluginobj
* obj
= parameters
->options().plugins()->object(
950 static_cast<unsigned int>(reinterpret_cast<intptr_t>(handle
)));
953 return obj
->get_symbol_resolution_info(nsyms
, syms
);
956 // Add a new (real) input file generated by a plugin.
958 static enum ld_plugin_status
959 add_input_file(char *pathname
)
961 gold_assert(parameters
->options().has_plugins());
962 return parameters
->options().plugins()->add_input_file(pathname
, false);
965 // Add a new (real) library required by a plugin.
967 static enum ld_plugin_status
968 add_input_library(char *pathname
)
970 gold_assert(parameters
->options().has_plugins());
971 return parameters
->options().plugins()->add_input_file(pathname
, true);
974 // Issue a diagnostic message from a plugin.
976 static enum ld_plugin_status
977 message(int level
, const char * format
, ...)
980 va_start(args
, format
);
985 parameters
->errors()->info(format
, args
);
988 parameters
->errors()->warning(format
, args
);
992 parameters
->errors()->error(format
, args
);
995 parameters
->errors()->fatal(format
, args
);
1003 #endif // ENABLE_PLUGINS
1005 // Allocate a Pluginobj object of the appropriate size and endianness.
1008 make_sized_plugin_object(Input_file
* input_file
, off_t offset
, off_t filesize
)
1010 Pluginobj
* obj
= NULL
;
1012 parameters_force_valid_target();
1013 const Target
& target(parameters
->target());
1015 if (target
.get_size() == 32)
1017 if (target
.is_big_endian())
1018 #ifdef HAVE_TARGET_32_BIG
1019 obj
= new Sized_pluginobj
<32, true>(input_file
->filename(),
1020 input_file
, offset
, filesize
);
1022 gold_error(_("%s: not configured to support "
1023 "32-bit big-endian object"),
1024 input_file
->filename().c_str());
1027 #ifdef HAVE_TARGET_32_LITTLE
1028 obj
= new Sized_pluginobj
<32, false>(input_file
->filename(),
1029 input_file
, offset
, filesize
);
1031 gold_error(_("%s: not configured to support "
1032 "32-bit little-endian object"),
1033 input_file
->filename().c_str());
1036 else if (target
.get_size() == 64)
1038 if (target
.is_big_endian())
1039 #ifdef HAVE_TARGET_64_BIG
1040 obj
= new Sized_pluginobj
<64, true>(input_file
->filename(),
1041 input_file
, offset
, filesize
);
1043 gold_error(_("%s: not configured to support "
1044 "64-bit big-endian object"),
1045 input_file
->filename().c_str());
1048 #ifdef HAVE_TARGET_64_LITTLE
1049 obj
= new Sized_pluginobj
<64, false>(input_file
->filename(),
1050 input_file
, offset
, filesize
);
1052 gold_error(_("%s: not configured to support "
1053 "64-bit little-endian object"),
1054 input_file
->filename().c_str());
1058 gold_assert(obj
!= NULL
);
1062 } // End namespace gold.