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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-05-08 21:29:27 -0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-05-08 21:29:27 -0400 |
commit | d585a021c0b10b0477d6b608c53e1feb8cde0507 (patch) | |
tree | 5ca059da1db7f15d4b29427644ad9c08270c885c /include/linux/module.h | |
parent | 84e5b0d00f8f84c4ae226be131d4bebbcee88bd3 (diff) | |
parent | 091bf7624d1c90cec9e578a18529f615213ff847 (diff) |
Merge commit 'v2.6.30-rc5' into next
Diffstat (limited to 'include/linux/module.h')
-rw-r--r-- | include/linux/module.h | 68 |
1 files changed, 60 insertions, 8 deletions
diff --git a/include/linux/module.h b/include/linux/module.h index 145a75528cc1..627ac082e2a6 100644 --- a/include/linux/module.h +++ b/include/linux/module.h | |||
@@ -248,6 +248,10 @@ struct module | |||
248 | const unsigned long *crcs; | 248 | const unsigned long *crcs; |
249 | unsigned int num_syms; | 249 | unsigned int num_syms; |
250 | 250 | ||
251 | /* Kernel parameters. */ | ||
252 | struct kernel_param *kp; | ||
253 | unsigned int num_kp; | ||
254 | |||
251 | /* GPL-only exported symbols. */ | 255 | /* GPL-only exported symbols. */ |
252 | unsigned int num_gpl_syms; | 256 | unsigned int num_gpl_syms; |
253 | const struct kernel_symbol *gpl_syms; | 257 | const struct kernel_symbol *gpl_syms; |
@@ -329,6 +333,11 @@ struct module | |||
329 | unsigned int num_tracepoints; | 333 | unsigned int num_tracepoints; |
330 | #endif | 334 | #endif |
331 | 335 | ||
336 | #ifdef CONFIG_TRACING | ||
337 | const char **trace_bprintk_fmt_start; | ||
338 | unsigned int num_trace_bprintk_fmt; | ||
339 | #endif | ||
340 | |||
332 | #ifdef CONFIG_MODULE_UNLOAD | 341 | #ifdef CONFIG_MODULE_UNLOAD |
333 | /* What modules depend on me? */ | 342 | /* What modules depend on me? */ |
334 | struct list_head modules_which_use_me; | 343 | struct list_head modules_which_use_me; |
@@ -350,6 +359,8 @@ struct module | |||
350 | #define MODULE_ARCH_INIT {} | 359 | #define MODULE_ARCH_INIT {} |
351 | #endif | 360 | #endif |
352 | 361 | ||
362 | extern struct mutex module_mutex; | ||
363 | |||
353 | /* FIXME: It'd be nice to isolate modules during init, too, so they | 364 | /* FIXME: It'd be nice to isolate modules during init, too, so they |
354 | aren't used before they (may) fail. But presently too much code | 365 | aren't used before they (may) fail. But presently too much code |
355 | (IDE & SCSI) require entry into the module during init.*/ | 366 | (IDE & SCSI) require entry into the module during init.*/ |
@@ -358,10 +369,10 @@ static inline int module_is_live(struct module *mod) | |||
358 | return mod->state != MODULE_STATE_GOING; | 369 | return mod->state != MODULE_STATE_GOING; |
359 | } | 370 | } |
360 | 371 | ||
361 | /* Is this address in a module? (second is with no locks, for oops) */ | ||
362 | struct module *module_text_address(unsigned long addr); | ||
363 | struct module *__module_text_address(unsigned long addr); | 372 | struct module *__module_text_address(unsigned long addr); |
364 | int is_module_address(unsigned long addr); | 373 | struct module *__module_address(unsigned long addr); |
374 | bool is_module_address(unsigned long addr); | ||
375 | bool is_module_text_address(unsigned long addr); | ||
365 | 376 | ||
366 | static inline int within_module_core(unsigned long addr, struct module *mod) | 377 | static inline int within_module_core(unsigned long addr, struct module *mod) |
367 | { | 378 | { |
@@ -375,6 +386,31 @@ static inline int within_module_init(unsigned long addr, struct module *mod) | |||
375 | addr < (unsigned long)mod->module_init + mod->init_size; | 386 | addr < (unsigned long)mod->module_init + mod->init_size; |
376 | } | 387 | } |
377 | 388 | ||
389 | /* Search for module by name: must hold module_mutex. */ | ||
390 | struct module *find_module(const char *name); | ||
391 | |||
392 | struct symsearch { | ||
393 | const struct kernel_symbol *start, *stop; | ||
394 | const unsigned long *crcs; | ||
395 | enum { | ||
396 | NOT_GPL_ONLY, | ||
397 | GPL_ONLY, | ||
398 | WILL_BE_GPL_ONLY, | ||
399 | } licence; | ||
400 | bool unused; | ||
401 | }; | ||
402 | |||
403 | /* Search for an exported symbol by name. */ | ||
404 | const struct kernel_symbol *find_symbol(const char *name, | ||
405 | struct module **owner, | ||
406 | const unsigned long **crc, | ||
407 | bool gplok, | ||
408 | bool warn); | ||
409 | |||
410 | /* Walk the exported symbol table */ | ||
411 | bool each_symbol(bool (*fn)(const struct symsearch *arr, struct module *owner, | ||
412 | unsigned int symnum, void *data), void *data); | ||
413 | |||
378 | /* Returns 0 and fills in value, defined and namebuf, or -ERANGE if | 414 | /* Returns 0 and fills in value, defined and namebuf, or -ERANGE if |
379 | symnum out of range. */ | 415 | symnum out of range. */ |
380 | int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, | 416 | int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, |
@@ -383,6 +419,10 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, | |||
383 | /* Look for this name: can be of form module:name. */ | 419 | /* Look for this name: can be of form module:name. */ |
384 | unsigned long module_kallsyms_lookup_name(const char *name); | 420 | unsigned long module_kallsyms_lookup_name(const char *name); |
385 | 421 | ||
422 | int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, | ||
423 | struct module *, unsigned long), | ||
424 | void *data); | ||
425 | |||
386 | extern void __module_put_and_exit(struct module *mod, long code) | 426 | extern void __module_put_and_exit(struct module *mod, long code) |
387 | __attribute__((noreturn)); | 427 | __attribute__((noreturn)); |
388 | #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code); | 428 | #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code); |
@@ -444,6 +484,7 @@ static inline void __module_get(struct module *module) | |||
444 | #define symbol_put_addr(p) do { } while(0) | 484 | #define symbol_put_addr(p) do { } while(0) |
445 | 485 | ||
446 | #endif /* CONFIG_MODULE_UNLOAD */ | 486 | #endif /* CONFIG_MODULE_UNLOAD */ |
487 | int use_module(struct module *a, struct module *b); | ||
447 | 488 | ||
448 | /* This is a #define so the string doesn't get put in every .o file */ | 489 | /* This is a #define so the string doesn't get put in every .o file */ |
449 | #define module_name(mod) \ | 490 | #define module_name(mod) \ |
@@ -490,21 +531,24 @@ search_module_extables(unsigned long addr) | |||
490 | return NULL; | 531 | return NULL; |
491 | } | 532 | } |
492 | 533 | ||
493 | /* Is this address in a module? */ | 534 | static inline struct module *__module_address(unsigned long addr) |
494 | static inline struct module *module_text_address(unsigned long addr) | ||
495 | { | 535 | { |
496 | return NULL; | 536 | return NULL; |
497 | } | 537 | } |
498 | 538 | ||
499 | /* Is this address in a module? (don't take a lock, we're oopsing) */ | ||
500 | static inline struct module *__module_text_address(unsigned long addr) | 539 | static inline struct module *__module_text_address(unsigned long addr) |
501 | { | 540 | { |
502 | return NULL; | 541 | return NULL; |
503 | } | 542 | } |
504 | 543 | ||
505 | static inline int is_module_address(unsigned long addr) | 544 | static inline bool is_module_address(unsigned long addr) |
506 | { | 545 | { |
507 | return 0; | 546 | return false; |
547 | } | ||
548 | |||
549 | static inline bool is_module_text_address(unsigned long addr) | ||
550 | { | ||
551 | return false; | ||
508 | } | 552 | } |
509 | 553 | ||
510 | /* Get/put a kernel symbol (calls should be symmetric) */ | 554 | /* Get/put a kernel symbol (calls should be symmetric) */ |
@@ -559,6 +603,14 @@ static inline unsigned long module_kallsyms_lookup_name(const char *name) | |||
559 | return 0; | 603 | return 0; |
560 | } | 604 | } |
561 | 605 | ||
606 | static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, | ||
607 | struct module *, | ||
608 | unsigned long), | ||
609 | void *data) | ||
610 | { | ||
611 | return 0; | ||
612 | } | ||
613 | |||
562 | static inline int register_module_notifier(struct notifier_block * nb) | 614 | static inline int register_module_notifier(struct notifier_block * nb) |
563 | { | 615 | { |
564 | /* no events will happen anyway, so this can always succeed */ | 616 | /* no events will happen anyway, so this can always succeed */ |