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89fc3421 CC |
1 | // plugin.h -- plugin manager for gold -*- C++ -*- |
2 | ||
2571583a | 3 | // Copyright (C) 2008-2017 Free Software Foundation, Inc. |
89fc3421 CC |
4 | // Written by Cary Coutant <ccoutant@google.com>. |
5 | ||
6 | // This file is part of gold. | |
7 | ||
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. | |
12 | ||
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. | |
17 | ||
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. | |
22 | ||
23 | #ifndef GOLD_PLUGIN_H | |
24 | #define GOLD_PLUGIN_H | |
25 | ||
26 | #include <list> | |
27 | #include <string> | |
28 | ||
29 | #include "object.h" | |
30 | #include "plugin-api.h" | |
31 | #include "workqueue.h" | |
32 | ||
33 | namespace gold | |
34 | { | |
35 | ||
36 | class General_options; | |
37 | class Input_file; | |
38 | class Input_objects; | |
0f3b89d8 ILT |
39 | class Archive; |
40 | class Input_group; | |
41 | class Symbol; | |
89fc3421 CC |
42 | class Symbol_table; |
43 | class Layout; | |
44 | class Dirsearch; | |
45 | class Mapfile; | |
0f3b89d8 | 46 | class Task; |
89fc3421 CC |
47 | class Task_token; |
48 | class Pluginobj; | |
0f3b89d8 | 49 | class Plugin_rescan; |
89fc3421 CC |
50 | |
51 | // This class represents a single plugin library. | |
52 | ||
53 | class Plugin | |
54 | { | |
55 | public: | |
4674ecfc | 56 | Plugin(const char* filename) |
89fc3421 | 57 | : handle_(NULL), |
4674ecfc CC |
58 | filename_(filename), |
59 | args_(), | |
89fc3421 CC |
60 | claim_file_handler_(NULL), |
61 | all_symbols_read_handler_(NULL), | |
40f36857 | 62 | cleanup_handler_(NULL), |
c4e64843 | 63 | new_input_handler_(NULL), |
40f36857 | 64 | cleanup_done_(false) |
89fc3421 CC |
65 | { } |
66 | ||
67 | ~Plugin() | |
68 | { } | |
69 | ||
70 | // Load the library and call its entry point. | |
71 | void | |
72 | load(); | |
73 | ||
74 | // Call the claim-file handler. | |
75 | bool | |
ca09d69a | 76 | claim_file(struct ld_plugin_input_file* plugin_input_file); |
89fc3421 CC |
77 | |
78 | // Call the all-symbols-read handler. | |
79 | void | |
80 | all_symbols_read(); | |
81 | ||
c4e64843 SC |
82 | // Call the new_input handler. |
83 | void | |
84 | new_input(struct ld_plugin_input_file* plugin_input_file); | |
85 | ||
89fc3421 CC |
86 | // Call the cleanup handler. |
87 | void | |
88 | cleanup(); | |
89 | ||
90 | // Register a claim-file handler. | |
91 | void | |
92 | set_claim_file_handler(ld_plugin_claim_file_handler handler) | |
93 | { this->claim_file_handler_ = handler; } | |
94 | ||
95 | // Register an all-symbols-read handler. | |
96 | void | |
97 | set_all_symbols_read_handler(ld_plugin_all_symbols_read_handler handler) | |
98 | { this->all_symbols_read_handler_ = handler; } | |
99 | ||
100 | // Register a claim-file handler. | |
101 | void | |
102 | set_cleanup_handler(ld_plugin_cleanup_handler handler) | |
103 | { this->cleanup_handler_ = handler; } | |
104 | ||
c4e64843 SC |
105 | // Register a new_input handler. |
106 | void | |
107 | set_new_input_handler(ld_plugin_new_input_handler handler) | |
108 | { this->new_input_handler_ = handler; } | |
109 | ||
4674ecfc CC |
110 | // Add an argument |
111 | void | |
ca09d69a | 112 | add_option(const char* arg) |
4674ecfc CC |
113 | { |
114 | this->args_.push_back(arg); | |
115 | } | |
116 | ||
89fc3421 CC |
117 | private: |
118 | Plugin(const Plugin&); | |
119 | Plugin& operator=(const Plugin&); | |
120 | ||
121 | // The shared library handle returned by dlopen. | |
122 | void* handle_; | |
123 | // The argument string given to --plugin. | |
4674ecfc CC |
124 | std::string filename_; |
125 | // The list of argument string given to --plugin-opt. | |
126 | std::vector<std::string> args_; | |
89fc3421 CC |
127 | // The plugin's event handlers. |
128 | ld_plugin_claim_file_handler claim_file_handler_; | |
129 | ld_plugin_all_symbols_read_handler all_symbols_read_handler_; | |
130 | ld_plugin_cleanup_handler cleanup_handler_; | |
c4e64843 | 131 | ld_plugin_new_input_handler new_input_handler_; |
40f36857 CC |
132 | // TRUE if the cleanup handlers have been called. |
133 | bool cleanup_done_; | |
89fc3421 CC |
134 | }; |
135 | ||
136 | // A manager class for plugins. | |
137 | ||
138 | class Plugin_manager | |
139 | { | |
140 | public: | |
141 | Plugin_manager(const General_options& options) | |
5995b570 | 142 | : plugins_(), objects_(), deferred_layout_objects_(), input_file_(NULL), |
0f3b89d8 ILT |
143 | plugin_input_file_(), rescannable_(), undefined_symbols_(), |
144 | any_claimed_(false), in_replacement_phase_(false), any_added_(false), | |
e9552f7e | 145 | in_claim_file_handler_(false), |
0f7c0701 CC |
146 | options_(options), workqueue_(NULL), task_(NULL), input_objects_(NULL), |
147 | symtab_(NULL), layout_(NULL), dirpath_(NULL), mapfile_(NULL), | |
d37ffe25 ED |
148 | this_blocker_(NULL), extra_search_path_(), lock_(NULL), |
149 | initialize_lock_(&lock_) | |
89fc3421 CC |
150 | { this->current_ = plugins_.end(); } |
151 | ||
152 | ~Plugin_manager(); | |
153 | ||
154 | // Add a plugin library. | |
155 | void | |
4674ecfc CC |
156 | add_plugin(const char* filename) |
157 | { this->plugins_.push_back(new Plugin(filename)); } | |
158 | ||
159 | // Add an argument to the current plugin. | |
160 | void | |
161 | add_plugin_option(const char* opt) | |
162 | { | |
163 | Plugin* last = this->plugins_.back(); | |
164 | last->add_option(opt); | |
165 | } | |
89fc3421 CC |
166 | |
167 | // Load all plugin libraries. | |
168 | void | |
e9552f7e | 169 | load_plugins(Layout* layout); |
89fc3421 CC |
170 | |
171 | // Call the plugin claim-file handlers in turn to see if any claim the file. | |
172 | Pluginobj* | |
e9552f7e ST |
173 | claim_file(Input_file* input_file, off_t offset, off_t filesize, |
174 | Object* elf_object); | |
175 | ||
176 | // Get the object associated with the handle and check if it is an elf object. | |
177 | // If it is not a Pluginobj, it is an elf object. | |
178 | Object* | |
179 | get_elf_object(const void* handle); | |
180 | ||
181 | // True if the claim_file handler of the plugins is being called. | |
182 | bool | |
183 | in_claim_file_handler() | |
184 | { return in_claim_file_handler_; } | |
89fc3421 | 185 | |
0f3b89d8 ILT |
186 | // Let the plugin manager save an archive for later rescanning. |
187 | // This takes ownership of the Archive pointer. | |
188 | void | |
189 | save_archive(Archive*); | |
190 | ||
191 | // Let the plugin manager save an input group for later rescanning. | |
192 | // This takes ownership of the Input_group pointer. | |
193 | void | |
194 | save_input_group(Input_group*); | |
195 | ||
89fc3421 CC |
196 | // Call the all-symbols-read handlers. |
197 | void | |
0f7c0701 CC |
198 | all_symbols_read(Workqueue* workqueue, Task* task, |
199 | Input_objects* input_objects, Symbol_table* symtab, | |
e9552f7e | 200 | Dirsearch* dirpath, Mapfile* mapfile, |
0f7c0701 | 201 | Task_token** last_blocker); |
89fc3421 | 202 | |
0f3b89d8 ILT |
203 | // Tell the plugin manager that we've a new undefined symbol which |
204 | // may require rescanning. | |
205 | void | |
206 | new_undefined_symbol(Symbol*); | |
207 | ||
483620e8 | 208 | // Run deferred layout. |
89fc3421 | 209 | void |
483620e8 CC |
210 | layout_deferred_objects(); |
211 | ||
212 | // Call the cleanup handlers. | |
213 | void | |
214 | cleanup(); | |
89fc3421 CC |
215 | |
216 | // Register a claim-file handler. | |
217 | void | |
218 | set_claim_file_handler(ld_plugin_claim_file_handler handler) | |
219 | { | |
220 | gold_assert(this->current_ != plugins_.end()); | |
221 | (*this->current_)->set_claim_file_handler(handler); | |
222 | } | |
223 | ||
224 | // Register an all-symbols-read handler. | |
225 | void | |
226 | set_all_symbols_read_handler(ld_plugin_all_symbols_read_handler handler) | |
227 | { | |
228 | gold_assert(this->current_ != plugins_.end()); | |
229 | (*this->current_)->set_all_symbols_read_handler(handler); | |
230 | } | |
231 | ||
c4e64843 SC |
232 | // Register a new_input handler. |
233 | void | |
234 | set_new_input_handler(ld_plugin_new_input_handler handler) | |
235 | { | |
236 | gold_assert(this->current_ != plugins_.end()); | |
237 | (*this->current_)->set_new_input_handler(handler); | |
238 | } | |
239 | ||
89fc3421 CC |
240 | // Register a claim-file handler. |
241 | void | |
242 | set_cleanup_handler(ld_plugin_cleanup_handler handler) | |
243 | { | |
244 | gold_assert(this->current_ != plugins_.end()); | |
245 | (*this->current_)->set_cleanup_handler(handler); | |
246 | } | |
247 | ||
248 | // Make a new Pluginobj object. This is called when the plugin calls | |
249 | // the add_symbols API. | |
250 | Pluginobj* | |
251 | make_plugin_object(unsigned int handle); | |
252 | ||
e9552f7e ST |
253 | // Return the object associated with the given HANDLE. |
254 | Object* | |
89fc3421 CC |
255 | object(unsigned int handle) const |
256 | { | |
257 | if (handle >= this->objects_.size()) | |
258 | return NULL; | |
259 | return this->objects_[handle]; | |
260 | } | |
261 | ||
5995b570 CC |
262 | // Return TRUE if any input files have been claimed by a plugin |
263 | // and we are still in the initial input phase. | |
264 | bool | |
265 | should_defer_layout() const | |
a8279f82 | 266 | { return this->any_claimed_ && !this->in_replacement_phase_; } |
5995b570 CC |
267 | |
268 | // Add a regular object to the deferred layout list. These are | |
269 | // objects whose layout has been deferred until after the | |
270 | // replacement files have arrived. | |
271 | void | |
272 | add_deferred_layout_object(Relobj* obj) | |
273 | { this->deferred_layout_objects_.push_back(obj); } | |
274 | ||
0f7c0701 CC |
275 | // Get input file information with an open (possibly re-opened) |
276 | // file descriptor. | |
277 | ld_plugin_status | |
ca09d69a | 278 | get_input_file(unsigned int handle, struct ld_plugin_input_file* file); |
0f7c0701 | 279 | |
9c793f14 RÁE |
280 | ld_plugin_status |
281 | get_view(unsigned int handle, const void **viewp); | |
282 | ||
0f7c0701 CC |
283 | // Release an input file. |
284 | ld_plugin_status | |
285 | release_input_file(unsigned int handle); | |
286 | ||
89fc3421 CC |
287 | // Add a new input file. |
288 | ld_plugin_status | |
ca09d69a | 289 | add_input_file(const char* pathname, bool is_lib); |
89fc3421 | 290 | |
42218b9f RÁE |
291 | // Set the extra library path. |
292 | ld_plugin_status | |
ca09d69a | 293 | set_extra_library_path(const char* path); |
42218b9f | 294 | |
89fc3421 CC |
295 | // Return TRUE if we are in the replacement phase. |
296 | bool | |
297 | in_replacement_phase() const | |
298 | { return this->in_replacement_phase_; } | |
299 | ||
e9552f7e ST |
300 | Input_objects* |
301 | input_objects() const | |
302 | { return this->input_objects_; } | |
303 | ||
3c537f7f PC |
304 | Symbol_table* |
305 | symtab() | |
306 | { return this->symtab_; } | |
307 | ||
e9552f7e ST |
308 | Layout* |
309 | layout() | |
310 | { return this->layout_; } | |
311 | ||
89fc3421 CC |
312 | private: |
313 | Plugin_manager(const Plugin_manager&); | |
314 | Plugin_manager& operator=(const Plugin_manager&); | |
315 | ||
0f3b89d8 ILT |
316 | // Plugin_rescan is a Task which calls the private rescan method. |
317 | friend class Plugin_rescan; | |
318 | ||
319 | // An archive or input group which may have to be rescanned if a | |
320 | // plugin adds a new file. | |
321 | struct Rescannable | |
322 | { | |
323 | bool is_archive; | |
324 | union | |
325 | { | |
326 | Archive* archive; | |
327 | Input_group* input_group; | |
328 | } u; | |
329 | ||
330 | Rescannable(Archive* archive) | |
331 | : is_archive(true) | |
332 | { this->u.archive = archive; } | |
333 | ||
334 | Rescannable(Input_group* input_group) | |
335 | : is_archive(false) | |
336 | { this->u.input_group = input_group; } | |
337 | }; | |
338 | ||
89fc3421 | 339 | typedef std::list<Plugin*> Plugin_list; |
e9552f7e | 340 | typedef std::vector<Object*> Object_list; |
5995b570 | 341 | typedef std::vector<Relobj*> Deferred_layout_list; |
0f3b89d8 ILT |
342 | typedef std::vector<Rescannable> Rescannable_list; |
343 | typedef std::vector<Symbol*> Undefined_symbol_list; | |
344 | ||
345 | // Rescan archives for undefined symbols. | |
346 | void | |
347 | rescan(Task*); | |
348 | ||
349 | // See whether the rescannable at index I defines SYM. | |
350 | bool | |
351 | rescannable_defines(size_t i, Symbol* sym); | |
89fc3421 CC |
352 | |
353 | // The list of plugin libraries. | |
354 | Plugin_list plugins_; | |
355 | // A pointer to the current plugin. Used while loading plugins. | |
356 | Plugin_list::iterator current_; | |
357 | ||
358 | // The list of plugin objects. The index of an item in this list | |
359 | // serves as the "handle" that we pass to the plugins. | |
360 | Object_list objects_; | |
361 | ||
5995b570 CC |
362 | // The list of regular objects whose layout has been deferred. |
363 | Deferred_layout_list deferred_layout_objects_; | |
364 | ||
89fc3421 CC |
365 | // The file currently up for claim by the plugins. |
366 | Input_file* input_file_; | |
367 | struct ld_plugin_input_file plugin_input_file_; | |
368 | ||
0f3b89d8 ILT |
369 | // A list of archives and input groups being saved for possible |
370 | // later rescanning. | |
371 | Rescannable_list rescannable_; | |
372 | ||
373 | // A list of undefined symbols found in added files. | |
374 | Undefined_symbol_list undefined_symbols_; | |
375 | ||
376 | // Whether any input files have been claimed by a plugin. | |
377 | bool any_claimed_; | |
378 | ||
379 | // Set to true after the all symbols read event; indicates that we | |
380 | // are processing replacement files whose symbols should replace the | |
89fc3421 CC |
381 | // placeholder symbols from the Pluginobj objects. |
382 | bool in_replacement_phase_; | |
383 | ||
0f3b89d8 ILT |
384 | // Whether any input files or libraries were added by a plugin. |
385 | bool any_added_; | |
386 | ||
e9552f7e ST |
387 | // Set to true when the claim_file handler of a plugin is called. |
388 | bool in_claim_file_handler_; | |
389 | ||
89fc3421 CC |
390 | const General_options& options_; |
391 | Workqueue* workqueue_; | |
0f7c0701 | 392 | Task* task_; |
89fc3421 CC |
393 | Input_objects* input_objects_; |
394 | Symbol_table* symtab_; | |
395 | Layout* layout_; | |
396 | Dirsearch* dirpath_; | |
397 | Mapfile* mapfile_; | |
398 | Task_token* this_blocker_; | |
42218b9f | 399 | |
5c3024d2 | 400 | // An extra directory to search for the libraries passed by |
42218b9f RÁE |
401 | // add_input_library. |
402 | std::string extra_search_path_; | |
d37ffe25 ED |
403 | Lock* lock_; |
404 | Initialize_lock initialize_lock_; | |
89fc3421 CC |
405 | }; |
406 | ||
407 | ||
408 | // An object file claimed by a plugin. This is an abstract base class. | |
409 | // The implementation is the template class Sized_pluginobj. | |
410 | ||
411 | class Pluginobj : public Object | |
412 | { | |
413 | public: | |
414 | ||
415 | typedef std::vector<Symbol*> Symbols; | |
416 | ||
0f7c0701 CC |
417 | Pluginobj(const std::string& name, Input_file* input_file, off_t offset, |
418 | off_t filesize); | |
89fc3421 CC |
419 | |
420 | // Fill in the symbol resolution status for the given plugin symbols. | |
421 | ld_plugin_status | |
3c537f7f PC |
422 | get_symbol_resolution_info(Symbol_table* symtab, |
423 | int nsyms, | |
235061c2 CC |
424 | ld_plugin_symbol* syms, |
425 | int version) const; | |
89fc3421 | 426 | |
89fc3421 CC |
427 | // Store the incoming symbols from the plugin for later processing. |
428 | void | |
429 | store_incoming_symbols(int nsyms, const struct ld_plugin_symbol* syms) | |
430 | { | |
431 | this->nsyms_ = nsyms; | |
432 | this->syms_ = syms; | |
433 | } | |
434 | ||
435 | // Return TRUE if the comdat group with key COMDAT_KEY from this object | |
436 | // should be kept. | |
437 | bool | |
438 | include_comdat_group(std::string comdat_key, Layout* layout); | |
439 | ||
0f7c0701 CC |
440 | // Return the filename. |
441 | const std::string& | |
442 | filename() const | |
443 | { return this->input_file()->filename(); } | |
444 | ||
445 | // Return the file descriptor. | |
446 | int | |
447 | descriptor() | |
448 | { return this->input_file()->file().descriptor(); } | |
449 | ||
450 | // Return the size of the file or archive member. | |
451 | off_t | |
452 | filesize() | |
453 | { return this->filesize_; } | |
454 | ||
48058663 L |
455 | // Return the word size of the object file. |
456 | int | |
457 | elfsize() const | |
458 | { gold_unreachable(); } | |
459 | ||
460 | // Return TRUE if this is a big-endian object file. | |
461 | bool | |
462 | is_big_endian() const | |
463 | { gold_unreachable(); } | |
464 | ||
89fc3421 CC |
465 | protected: |
466 | // Return TRUE if this is an object claimed by a plugin. | |
467 | virtual Pluginobj* | |
468 | do_pluginobj() | |
469 | { return this; } | |
470 | ||
89fc3421 CC |
471 | // The number of symbols provided by the plugin. |
472 | int nsyms_; | |
43819297 | 473 | |
89fc3421 CC |
474 | // The symbols provided by the plugin. |
475 | const struct ld_plugin_symbol* syms_; | |
476 | ||
477 | // The entries in the symbol table for the external symbols. | |
478 | Symbols symbols_; | |
479 | ||
480 | private: | |
0f7c0701 CC |
481 | // Size of the file (or archive member). |
482 | off_t filesize_; | |
89fc3421 CC |
483 | // Map a comdat key symbol to a boolean indicating whether the comdat |
484 | // group in this object with that key should be kept. | |
485 | typedef Unordered_map<std::string, bool> Comdat_map; | |
486 | Comdat_map comdat_map_; | |
487 | }; | |
488 | ||
489 | // A plugin object, size-specific version. | |
490 | ||
491 | template<int size, bool big_endian> | |
492 | class Sized_pluginobj : public Pluginobj | |
493 | { | |
494 | public: | |
495 | Sized_pluginobj(const std::string& name, Input_file* input_file, | |
0f7c0701 | 496 | off_t offset, off_t filesize); |
89fc3421 CC |
497 | |
498 | // Read the symbols. | |
499 | void | |
500 | do_read_symbols(Read_symbols_data*); | |
501 | ||
502 | // Lay out the input sections. | |
503 | void | |
504 | do_layout(Symbol_table*, Layout*, Read_symbols_data*); | |
505 | ||
506 | // Add the symbols to the symbol table. | |
507 | void | |
f488e4b0 | 508 | do_add_symbols(Symbol_table*, Read_symbols_data*, Layout*); |
89fc3421 | 509 | |
b0193076 | 510 | Archive::Should_include |
88a4108b | 511 | do_should_include_member(Symbol_table* symtab, Layout*, Read_symbols_data*, |
b0193076 RÁE |
512 | std::string* why); |
513 | ||
e0c52780 CC |
514 | // Iterate over global symbols, calling a visitor class V for each. |
515 | void | |
516 | do_for_all_global_symbols(Read_symbols_data* sd, | |
517 | Library_base::Symbol_visitor_base* v); | |
518 | ||
cdc29364 CC |
519 | // Iterate over local symbols, calling a visitor class V for each GOT offset |
520 | // associated with a local symbol. | |
521 | void | |
522 | do_for_all_local_got_entries(Got_offset_list::Visitor* v) const; | |
523 | ||
89fc3421 CC |
524 | // Get the size of a section. |
525 | uint64_t | |
526 | do_section_size(unsigned int shndx); | |
527 | ||
528 | // Get the name of a section. | |
529 | std::string | |
54674d38 | 530 | do_section_name(unsigned int shndx) const; |
89fc3421 CC |
531 | |
532 | // Return a view of the contents of a section. | |
c1027032 CC |
533 | const unsigned char* |
534 | do_section_contents(unsigned int shndx, section_size_type* plen, | |
535 | bool cache); | |
89fc3421 CC |
536 | |
537 | // Return section flags. | |
538 | uint64_t | |
539 | do_section_flags(unsigned int shndx); | |
540 | ||
ef15dade ST |
541 | // Return section entsize. |
542 | uint64_t | |
543 | do_section_entsize(unsigned int shndx); | |
544 | ||
89fc3421 CC |
545 | // Return section address. |
546 | uint64_t | |
547 | do_section_address(unsigned int shndx); | |
548 | ||
549 | // Return section type. | |
550 | unsigned int | |
551 | do_section_type(unsigned int shndx); | |
552 | ||
553 | // Return the section link field. | |
554 | unsigned int | |
555 | do_section_link(unsigned int shndx); | |
556 | ||
557 | // Return the section link field. | |
558 | unsigned int | |
559 | do_section_info(unsigned int shndx); | |
560 | ||
561 | // Return the section alignment. | |
562 | uint64_t | |
563 | do_section_addralign(unsigned int shndx); | |
564 | ||
565 | // Return the Xindex structure to use. | |
566 | Xindex* | |
567 | do_initialize_xindex(); | |
568 | ||
569 | // Get symbol counts. | |
570 | void | |
571 | do_get_global_symbol_counts(const Symbol_table*, size_t*, size_t*) const; | |
572 | ||
dde3f402 ILT |
573 | // Get global symbols. |
574 | const Symbols* | |
575 | do_get_global_symbols() const; | |
576 | ||
89fc3421 CC |
577 | // Add placeholder symbols from a claimed file. |
578 | ld_plugin_status | |
579 | add_symbols_from_plugin(int nsyms, const ld_plugin_symbol* syms); | |
580 | ||
581 | protected: | |
582 | ||
583 | private: | |
584 | }; | |
585 | ||
89fc3421 CC |
586 | // This Task handles handles the "all symbols read" event hook. |
587 | // The plugin may add additional input files at this time, which must | |
588 | // be queued for reading. | |
589 | ||
590 | class Plugin_hook : public Task | |
591 | { | |
592 | public: | |
593 | Plugin_hook(const General_options& options, Input_objects* input_objects, | |
43819297 | 594 | Symbol_table* symtab, Layout* /*layout*/, Dirsearch* dirpath, |
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595 | Mapfile* mapfile, Task_token* this_blocker, |
596 | Task_token* next_blocker) | |
597 | : options_(options), input_objects_(input_objects), symtab_(symtab), | |
43819297 | 598 | dirpath_(dirpath), mapfile_(mapfile), |
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599 | this_blocker_(this_blocker), next_blocker_(next_blocker) |
600 | { } | |
601 | ||
602 | ~Plugin_hook(); | |
603 | ||
604 | // The standard Task methods. | |
605 | ||
606 | Task_token* | |
607 | is_runnable(); | |
608 | ||
609 | void | |
610 | locks(Task_locker*); | |
611 | ||
612 | void | |
613 | run(Workqueue*); | |
614 | ||
615 | std::string | |
616 | get_name() const | |
617 | { return "Plugin_hook"; } | |
618 | ||
619 | private: | |
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620 | const General_options& options_; |
621 | Input_objects* input_objects_; | |
622 | Symbol_table* symtab_; | |
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623 | Dirsearch* dirpath_; |
624 | Mapfile* mapfile_; | |
625 | Task_token* this_blocker_; | |
626 | Task_token* next_blocker_; | |
627 | }; | |
628 | ||
629 | } // End namespace gold. | |
630 | ||
631 | #endif // !defined(GOLD_PLUGIN_H) |