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1da177e4 LT |
1 | #ifndef _LINUX_MODULE_H |
2 | #define _LINUX_MODULE_H | |
3 | /* | |
4 | * Dynamic loading of modules into the kernel. | |
5 | * | |
6 | * Rewritten by Richard Henderson <rth@tamu.edu> Dec 1996 | |
7 | * Rewritten again by Rusty Russell, 2002 | |
8 | */ | |
1da177e4 LT |
9 | #include <linux/spinlock.h> |
10 | #include <linux/list.h> | |
11 | #include <linux/stat.h> | |
12 | #include <linux/compiler.h> | |
13 | #include <linux/cache.h> | |
14 | #include <linux/kmod.h> | |
15 | #include <linux/elf.h> | |
16 | #include <linux/stringify.h> | |
17 | #include <linux/kobject.h> | |
18 | #include <linux/moduleparam.h> | |
19 | #include <asm/local.h> | |
20 | ||
21 | #include <asm/module.h> | |
22 | ||
23 | /* Not Yet Implemented */ | |
24 | #define MODULE_SUPPORTED_DEVICE(name) | |
25 | ||
26 | /* v850 toolchain uses a `_' prefix for all user symbols */ | |
27 | #ifndef MODULE_SYMBOL_PREFIX | |
28 | #define MODULE_SYMBOL_PREFIX "" | |
29 | #endif | |
30 | ||
31 | #define MODULE_NAME_LEN (64 - sizeof(unsigned long)) | |
32 | ||
33 | struct kernel_symbol | |
34 | { | |
35 | unsigned long value; | |
36 | const char *name; | |
37 | }; | |
38 | ||
39 | struct modversion_info | |
40 | { | |
41 | unsigned long crc; | |
42 | char name[MODULE_NAME_LEN]; | |
43 | }; | |
44 | ||
45 | struct module; | |
46 | ||
47 | struct module_attribute { | |
48 | struct attribute attr; | |
49 | ssize_t (*show)(struct module_attribute *, struct module *, char *); | |
50 | ssize_t (*store)(struct module_attribute *, struct module *, | |
51 | const char *, size_t count); | |
c988d2b2 MD |
52 | void (*setup)(struct module *, const char *); |
53 | int (*test)(struct module *); | |
54 | void (*free)(struct module *); | |
1da177e4 LT |
55 | }; |
56 | ||
57 | struct module_kobject | |
58 | { | |
59 | struct kobject kobj; | |
60 | struct module *mod; | |
f30c53a8 | 61 | struct kobject *drivers_dir; |
1da177e4 LT |
62 | }; |
63 | ||
64 | /* These are either module local, or the kernel's dummy ones. */ | |
65 | extern int init_module(void); | |
66 | extern void cleanup_module(void); | |
67 | ||
68 | /* Archs provide a method of finding the correct exception table. */ | |
69 | struct exception_table_entry; | |
70 | ||
71 | const struct exception_table_entry * | |
72 | search_extable(const struct exception_table_entry *first, | |
73 | const struct exception_table_entry *last, | |
74 | unsigned long value); | |
75 | void sort_extable(struct exception_table_entry *start, | |
76 | struct exception_table_entry *finish); | |
77 | void sort_main_extable(void); | |
78 | ||
79 | extern struct subsystem module_subsys; | |
80 | ||
81 | #ifdef MODULE | |
82 | #define MODULE_GENERIC_TABLE(gtype,name) \ | |
83 | extern const struct gtype##_id __mod_##gtype##_table \ | |
84 | __attribute__ ((unused, alias(__stringify(name)))) | |
85 | ||
86 | extern struct module __this_module; | |
87 | #define THIS_MODULE (&__this_module) | |
88 | #else /* !MODULE */ | |
89 | #define MODULE_GENERIC_TABLE(gtype,name) | |
90 | #define THIS_MODULE ((struct module *)0) | |
91 | #endif | |
92 | ||
93 | /* Generic info of form tag = "info" */ | |
94 | #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info) | |
95 | ||
96 | /* For userspace: you can also call me... */ | |
97 | #define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias) | |
98 | ||
99 | /* | |
100 | * The following license idents are currently accepted as indicating free | |
101 | * software modules | |
102 | * | |
103 | * "GPL" [GNU Public License v2 or later] | |
104 | * "GPL v2" [GNU Public License v2] | |
105 | * "GPL and additional rights" [GNU Public License v2 rights and more] | |
106 | * "Dual BSD/GPL" [GNU Public License v2 | |
107 | * or BSD license choice] | |
8d27e908 XVP |
108 | * "Dual MIT/GPL" [GNU Public License v2 |
109 | * or MIT license choice] | |
1da177e4 LT |
110 | * "Dual MPL/GPL" [GNU Public License v2 |
111 | * or Mozilla license choice] | |
112 | * | |
113 | * The following other idents are available | |
114 | * | |
115 | * "Proprietary" [Non free products] | |
116 | * | |
117 | * There are dual licensed components, but when running with Linux it is the | |
118 | * GPL that is relevant so this is a non issue. Similarly LGPL linked with GPL | |
119 | * is a GPL combined work. | |
120 | * | |
121 | * This exists for several reasons | |
122 | * 1. So modinfo can show license info for users wanting to vet their setup | |
123 | * is free | |
124 | * 2. So the community can ignore bug reports including proprietary modules | |
125 | * 3. So vendors can do likewise based on their own policies | |
126 | */ | |
127 | #define MODULE_LICENSE(_license) MODULE_INFO(license, _license) | |
128 | ||
129 | /* Author, ideally of form NAME <EMAIL>[, NAME <EMAIL>]*[ and NAME <EMAIL>] */ | |
130 | #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author) | |
131 | ||
132 | /* What your module does. */ | |
133 | #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description) | |
134 | ||
135 | /* One for each parameter, describing how to use it. Some files do | |
136 | multiple of these per line, so can't just use MODULE_INFO. */ | |
137 | #define MODULE_PARM_DESC(_parm, desc) \ | |
138 | __MODULE_INFO(parm, _parm, #_parm ":" desc) | |
139 | ||
140 | #define MODULE_DEVICE_TABLE(type,name) \ | |
141 | MODULE_GENERIC_TABLE(type##_device,name) | |
142 | ||
143 | /* Version of form [<epoch>:]<version>[-<extra-version>]. | |
144 | Or for CVS/RCS ID version, everything but the number is stripped. | |
145 | <epoch>: A (small) unsigned integer which allows you to start versions | |
146 | anew. If not mentioned, it's zero. eg. "2:1.0" is after | |
147 | "1:2.0". | |
148 | <version>: The <version> may contain only alphanumerics and the | |
149 | character `.'. Ordered by numeric sort for numeric parts, | |
150 | ascii sort for ascii parts (as per RPM or DEB algorithm). | |
151 | <extraversion>: Like <version>, but inserted for local | |
152 | customizations, eg "rh3" or "rusty1". | |
153 | ||
154 | Using this automatically adds a checksum of the .c files and the | |
155 | local headers in "srcversion". | |
156 | */ | |
157 | #define MODULE_VERSION(_version) MODULE_INFO(version, _version) | |
158 | ||
187afbed JM |
159 | /* Optional firmware file (or files) needed by the module |
160 | * format is simply firmware file name. Multiple firmware | |
161 | * files require multiple MODULE_FIRMWARE() specifiers */ | |
162 | #define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware) | |
163 | ||
1da177e4 LT |
164 | /* Given an address, look for it in the exception tables */ |
165 | const struct exception_table_entry *search_exception_tables(unsigned long add); | |
166 | ||
167 | struct notifier_block; | |
168 | ||
169 | #ifdef CONFIG_MODULES | |
170 | ||
171 | /* Get/put a kernel symbol (calls must be symmetric) */ | |
172 | void *__symbol_get(const char *symbol); | |
173 | void *__symbol_get_gpl(const char *symbol); | |
174 | #define symbol_get(x) ((typeof(&x))(__symbol_get(MODULE_SYMBOL_PREFIX #x))) | |
175 | ||
176 | #ifndef __GENKSYMS__ | |
177 | #ifdef CONFIG_MODVERSIONS | |
178 | /* Mark the CRC weak since genksyms apparently decides not to | |
179 | * generate a checksums for some symbols */ | |
180 | #define __CRC_SYMBOL(sym, sec) \ | |
181 | extern void *__crc_##sym __attribute__((weak)); \ | |
182 | static const unsigned long __kcrctab_##sym \ | |
183 | __attribute_used__ \ | |
184 | __attribute__((section("__kcrctab" sec), unused)) \ | |
185 | = (unsigned long) &__crc_##sym; | |
186 | #else | |
187 | #define __CRC_SYMBOL(sym, sec) | |
188 | #endif | |
189 | ||
190 | /* For every exported symbol, place a struct in the __ksymtab section */ | |
191 | #define __EXPORT_SYMBOL(sym, sec) \ | |
a1a8feed | 192 | extern typeof(sym) sym; \ |
1da177e4 LT |
193 | __CRC_SYMBOL(sym, sec) \ |
194 | static const char __kstrtab_##sym[] \ | |
195 | __attribute__((section("__ksymtab_strings"))) \ | |
196 | = MODULE_SYMBOL_PREFIX #sym; \ | |
197 | static const struct kernel_symbol __ksymtab_##sym \ | |
198 | __attribute_used__ \ | |
199 | __attribute__((section("__ksymtab" sec), unused)) \ | |
200 | = { (unsigned long)&sym, __kstrtab_##sym } | |
201 | ||
202 | #define EXPORT_SYMBOL(sym) \ | |
203 | __EXPORT_SYMBOL(sym, "") | |
204 | ||
205 | #define EXPORT_SYMBOL_GPL(sym) \ | |
206 | __EXPORT_SYMBOL(sym, "_gpl") | |
207 | ||
9f28bb7e GKH |
208 | #define EXPORT_SYMBOL_GPL_FUTURE(sym) \ |
209 | __EXPORT_SYMBOL(sym, "_gpl_future") | |
210 | ||
f71d20e9 AV |
211 | |
212 | #ifdef CONFIG_UNUSED_SYMBOLS | |
213 | #define EXPORT_UNUSED_SYMBOL(sym) __EXPORT_SYMBOL(sym, "_unused") | |
214 | #define EXPORT_UNUSED_SYMBOL_GPL(sym) __EXPORT_SYMBOL(sym, "_unused_gpl") | |
215 | #else | |
216 | #define EXPORT_UNUSED_SYMBOL(sym) | |
217 | #define EXPORT_UNUSED_SYMBOL_GPL(sym) | |
218 | #endif | |
219 | ||
1da177e4 LT |
220 | #endif |
221 | ||
222 | struct module_ref | |
223 | { | |
224 | local_t count; | |
225 | } ____cacheline_aligned; | |
226 | ||
227 | enum module_state | |
228 | { | |
229 | MODULE_STATE_LIVE, | |
230 | MODULE_STATE_COMING, | |
231 | MODULE_STATE_GOING, | |
232 | }; | |
233 | ||
234 | /* Similar stuff for section attributes. */ | |
1da177e4 LT |
235 | struct module_sect_attr |
236 | { | |
237 | struct module_attribute mattr; | |
04b1db9f | 238 | char *name; |
1da177e4 LT |
239 | unsigned long address; |
240 | }; | |
241 | ||
242 | struct module_sect_attrs | |
243 | { | |
244 | struct attribute_group grp; | |
04b1db9f | 245 | int nsections; |
1da177e4 LT |
246 | struct module_sect_attr attrs[0]; |
247 | }; | |
248 | ||
249 | struct module_param_attrs; | |
250 | ||
251 | struct module | |
252 | { | |
253 | enum module_state state; | |
254 | ||
255 | /* Member of list of modules */ | |
256 | struct list_head list; | |
257 | ||
258 | /* Unique handle for this module */ | |
259 | char name[MODULE_NAME_LEN]; | |
260 | ||
261 | /* Sysfs stuff. */ | |
262 | struct module_kobject mkobj; | |
263 | struct module_param_attrs *param_attrs; | |
03e88ae1 | 264 | struct module_attribute *modinfo_attrs; |
c988d2b2 MD |
265 | const char *version; |
266 | const char *srcversion; | |
1da177e4 LT |
267 | |
268 | /* Exported symbols */ | |
269 | const struct kernel_symbol *syms; | |
270 | unsigned int num_syms; | |
271 | const unsigned long *crcs; | |
272 | ||
273 | /* GPL-only exported symbols. */ | |
274 | const struct kernel_symbol *gpl_syms; | |
275 | unsigned int num_gpl_syms; | |
276 | const unsigned long *gpl_crcs; | |
277 | ||
f71d20e9 AV |
278 | /* unused exported symbols. */ |
279 | const struct kernel_symbol *unused_syms; | |
280 | unsigned int num_unused_syms; | |
281 | const unsigned long *unused_crcs; | |
282 | /* GPL-only, unused exported symbols. */ | |
283 | const struct kernel_symbol *unused_gpl_syms; | |
284 | unsigned int num_unused_gpl_syms; | |
285 | const unsigned long *unused_gpl_crcs; | |
286 | ||
9f28bb7e GKH |
287 | /* symbols that will be GPL-only in the near future. */ |
288 | const struct kernel_symbol *gpl_future_syms; | |
289 | unsigned int num_gpl_future_syms; | |
290 | const unsigned long *gpl_future_crcs; | |
291 | ||
1da177e4 LT |
292 | /* Exception table */ |
293 | unsigned int num_exentries; | |
294 | const struct exception_table_entry *extable; | |
295 | ||
296 | /* Startup function. */ | |
297 | int (*init)(void); | |
298 | ||
299 | /* If this is non-NULL, vfree after init() returns */ | |
300 | void *module_init; | |
301 | ||
302 | /* Here is the actual code + data, vfree'd on unload. */ | |
303 | void *module_core; | |
304 | ||
305 | /* Here are the sizes of the init and core sections */ | |
306 | unsigned long init_size, core_size; | |
307 | ||
308 | /* The size of the executable code in each section. */ | |
309 | unsigned long init_text_size, core_text_size; | |
310 | ||
4552d5dc JB |
311 | /* The handle returned from unwind_add_table. */ |
312 | void *unwind_info; | |
313 | ||
1da177e4 LT |
314 | /* Arch-specific module values */ |
315 | struct mod_arch_specific arch; | |
316 | ||
317 | /* Am I unsafe to unload? */ | |
318 | int unsafe; | |
319 | ||
2bc2d61a RD |
320 | unsigned int taints; /* same bits as kernel:tainted */ |
321 | ||
7664c5a1 JF |
322 | #ifdef CONFIG_GENERIC_BUG |
323 | /* Support for BUG */ | |
324 | struct list_head bug_list; | |
325 | struct bug_entry *bug_table; | |
326 | unsigned num_bugs; | |
327 | #endif | |
328 | ||
1da177e4 LT |
329 | #ifdef CONFIG_MODULE_UNLOAD |
330 | /* Reference counts */ | |
331 | struct module_ref ref[NR_CPUS]; | |
332 | ||
333 | /* What modules depend on me? */ | |
334 | struct list_head modules_which_use_me; | |
335 | ||
336 | /* Who is waiting for us to be unloaded */ | |
337 | struct task_struct *waiter; | |
338 | ||
339 | /* Destruction function. */ | |
340 | void (*exit)(void); | |
341 | #endif | |
342 | ||
343 | #ifdef CONFIG_KALLSYMS | |
344 | /* We keep the symbol and string tables for kallsyms. */ | |
345 | Elf_Sym *symtab; | |
346 | unsigned long num_symtab; | |
347 | char *strtab; | |
348 | ||
349 | /* Section attributes */ | |
350 | struct module_sect_attrs *sect_attrs; | |
351 | #endif | |
352 | ||
353 | /* Per-cpu data. */ | |
354 | void *percpu; | |
355 | ||
356 | /* The command line arguments (may be mangled). People like | |
357 | keeping pointers to this stuff */ | |
358 | char *args; | |
359 | }; | |
360 | ||
361 | /* FIXME: It'd be nice to isolate modules during init, too, so they | |
362 | aren't used before they (may) fail. But presently too much code | |
363 | (IDE & SCSI) require entry into the module during init.*/ | |
364 | static inline int module_is_live(struct module *mod) | |
365 | { | |
366 | return mod->state != MODULE_STATE_GOING; | |
367 | } | |
368 | ||
369 | /* Is this address in a module? (second is with no locks, for oops) */ | |
370 | struct module *module_text_address(unsigned long addr); | |
371 | struct module *__module_text_address(unsigned long addr); | |
4d435f9d | 372 | int is_module_address(unsigned long addr); |
1da177e4 LT |
373 | |
374 | /* Returns module and fills in value, defined and namebuf, or NULL if | |
375 | symnum out of range. */ | |
098c5eea AG |
376 | struct module *module_get_kallsym(unsigned int symnum, unsigned long *value, |
377 | char *type, char *name, size_t namelen); | |
1da177e4 LT |
378 | |
379 | /* Look for this name: can be of form module:name. */ | |
380 | unsigned long module_kallsyms_lookup_name(const char *name); | |
381 | ||
382 | int is_exported(const char *name, const struct module *mod); | |
383 | ||
384 | extern void __module_put_and_exit(struct module *mod, long code) | |
385 | __attribute__((noreturn)); | |
386 | #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code); | |
387 | ||
388 | #ifdef CONFIG_MODULE_UNLOAD | |
389 | unsigned int module_refcount(struct module *mod); | |
390 | void __symbol_put(const char *symbol); | |
391 | #define symbol_put(x) __symbol_put(MODULE_SYMBOL_PREFIX #x) | |
392 | void symbol_put_addr(void *addr); | |
393 | ||
394 | /* Sometimes we know we already have a refcount, and it's easier not | |
395 | to handle the error case (which only happens with rmmod --wait). */ | |
396 | static inline void __module_get(struct module *module) | |
397 | { | |
398 | if (module) { | |
399 | BUG_ON(module_refcount(module) == 0); | |
400 | local_inc(&module->ref[get_cpu()].count); | |
401 | put_cpu(); | |
402 | } | |
403 | } | |
404 | ||
405 | static inline int try_module_get(struct module *module) | |
406 | { | |
407 | int ret = 1; | |
408 | ||
409 | if (module) { | |
410 | unsigned int cpu = get_cpu(); | |
411 | if (likely(module_is_live(module))) | |
412 | local_inc(&module->ref[cpu].count); | |
413 | else | |
414 | ret = 0; | |
415 | put_cpu(); | |
416 | } | |
417 | return ret; | |
418 | } | |
419 | ||
f6a57033 | 420 | extern void module_put(struct module *module); |
1da177e4 LT |
421 | |
422 | #else /*!CONFIG_MODULE_UNLOAD*/ | |
423 | static inline int try_module_get(struct module *module) | |
424 | { | |
425 | return !module || module_is_live(module); | |
426 | } | |
427 | static inline void module_put(struct module *module) | |
428 | { | |
429 | } | |
430 | static inline void __module_get(struct module *module) | |
431 | { | |
432 | } | |
433 | #define symbol_put(x) do { } while(0) | |
434 | #define symbol_put_addr(p) do { } while(0) | |
435 | ||
436 | #endif /* CONFIG_MODULE_UNLOAD */ | |
437 | ||
438 | /* This is a #define so the string doesn't get put in every .o file */ | |
439 | #define module_name(mod) \ | |
440 | ({ \ | |
441 | struct module *__mod = (mod); \ | |
442 | __mod ? __mod->name : "kernel"; \ | |
443 | }) | |
444 | ||
445 | #define __unsafe(mod) \ | |
446 | do { \ | |
447 | if (mod && !(mod)->unsafe) { \ | |
448 | printk(KERN_WARNING \ | |
449 | "Module %s cannot be unloaded due to unsafe usage in" \ | |
450 | " %s:%u\n", (mod)->name, __FILE__, __LINE__); \ | |
451 | (mod)->unsafe = 1; \ | |
452 | } \ | |
453 | } while(0) | |
454 | ||
455 | /* For kallsyms to ask for address resolution. NULL means not found. */ | |
456 | const char *module_address_lookup(unsigned long addr, | |
457 | unsigned long *symbolsize, | |
458 | unsigned long *offset, | |
459 | char **modname); | |
460 | ||
461 | /* For extable.c to search modules' exception tables. */ | |
462 | const struct exception_table_entry *search_module_extables(unsigned long addr); | |
463 | ||
464 | int register_module_notifier(struct notifier_block * nb); | |
465 | int unregister_module_notifier(struct notifier_block * nb); | |
466 | ||
467 | extern void print_modules(void); | |
468 | ||
469 | struct device_driver; | |
470 | void module_add_driver(struct module *, struct device_driver *); | |
471 | void module_remove_driver(struct device_driver *); | |
472 | ||
473 | #else /* !CONFIG_MODULES... */ | |
474 | #define EXPORT_SYMBOL(sym) | |
475 | #define EXPORT_SYMBOL_GPL(sym) | |
9f28bb7e | 476 | #define EXPORT_SYMBOL_GPL_FUTURE(sym) |
f71d20e9 AV |
477 | #define EXPORT_UNUSED_SYMBOL(sym) |
478 | #define EXPORT_UNUSED_SYMBOL_GPL(sym) | |
1da177e4 LT |
479 | |
480 | /* Given an address, look for it in the exception tables. */ | |
481 | static inline const struct exception_table_entry * | |
482 | search_module_extables(unsigned long addr) | |
483 | { | |
484 | return NULL; | |
485 | } | |
486 | ||
487 | /* Is this address in a module? */ | |
488 | static inline struct module *module_text_address(unsigned long addr) | |
489 | { | |
490 | return NULL; | |
491 | } | |
492 | ||
493 | /* Is this address in a module? (don't take a lock, we're oopsing) */ | |
494 | static inline struct module *__module_text_address(unsigned long addr) | |
495 | { | |
496 | return NULL; | |
497 | } | |
498 | ||
4d435f9d IM |
499 | static inline int is_module_address(unsigned long addr) |
500 | { | |
501 | return 0; | |
502 | } | |
503 | ||
1da177e4 LT |
504 | /* Get/put a kernel symbol (calls should be symmetric) */ |
505 | #define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); }) | |
506 | #define symbol_put(x) do { } while(0) | |
507 | #define symbol_put_addr(x) do { } while(0) | |
508 | ||
509 | static inline void __module_get(struct module *module) | |
510 | { | |
511 | } | |
512 | ||
513 | static inline int try_module_get(struct module *module) | |
514 | { | |
515 | return 1; | |
516 | } | |
517 | ||
518 | static inline void module_put(struct module *module) | |
519 | { | |
520 | } | |
521 | ||
522 | #define module_name(mod) "kernel" | |
523 | ||
524 | #define __unsafe(mod) | |
525 | ||
526 | /* For kallsyms to ask for address resolution. NULL means not found. */ | |
527 | static inline const char *module_address_lookup(unsigned long addr, | |
528 | unsigned long *symbolsize, | |
529 | unsigned long *offset, | |
530 | char **modname) | |
531 | { | |
532 | return NULL; | |
533 | } | |
534 | ||
535 | static inline struct module *module_get_kallsym(unsigned int symnum, | |
536 | unsigned long *value, | |
098c5eea AG |
537 | char *type, char *name, |
538 | size_t namelen) | |
1da177e4 LT |
539 | { |
540 | return NULL; | |
541 | } | |
542 | ||
543 | static inline unsigned long module_kallsyms_lookup_name(const char *name) | |
544 | { | |
545 | return 0; | |
546 | } | |
547 | ||
548 | static inline int is_exported(const char *name, const struct module *mod) | |
549 | { | |
550 | return 0; | |
551 | } | |
552 | ||
553 | static inline int register_module_notifier(struct notifier_block * nb) | |
554 | { | |
555 | /* no events will happen anyway, so this can always succeed */ | |
556 | return 0; | |
557 | } | |
558 | ||
559 | static inline int unregister_module_notifier(struct notifier_block * nb) | |
560 | { | |
561 | return 0; | |
562 | } | |
563 | ||
564 | #define module_put_and_exit(code) do_exit(code) | |
565 | ||
566 | static inline void print_modules(void) | |
567 | { | |
568 | } | |
569 | ||
570 | struct device_driver; | |
571 | struct module; | |
572 | ||
573 | static inline void module_add_driver(struct module *module, struct device_driver *driver) | |
574 | { | |
575 | } | |
576 | ||
577 | static inline void module_remove_driver(struct device_driver *driver) | |
578 | { | |
579 | } | |
580 | ||
581 | #endif /* CONFIG_MODULES */ | |
582 | ||
583 | #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x) | |
584 | ||
585 | /* BELOW HERE ALL THESE ARE OBSOLETE AND WILL VANISH */ | |
586 | ||
1da177e4 LT |
587 | #define __MODULE_STRING(x) __stringify(x) |
588 | ||
1da177e4 | 589 | #endif /* _LINUX_MODULE_H */ |