diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/module.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/linux/module.h b/include/linux/module.h index c3d3fc4ffb18..d246da0b0f8c 100644 --- a/include/linux/module.h +++ b/include/linux/module.h | |||
@@ -354,6 +354,8 @@ struct module | |||
354 | #define MODULE_ARCH_INIT {} | 354 | #define MODULE_ARCH_INIT {} |
355 | #endif | 355 | #endif |
356 | 356 | ||
357 | extern struct mutex module_mutex; | ||
358 | |||
357 | /* FIXME: It'd be nice to isolate modules during init, too, so they | 359 | /* FIXME: It'd be nice to isolate modules during init, too, so they |
358 | aren't used before they (may) fail. But presently too much code | 360 | aren't used before they (may) fail. But presently too much code |
359 | (IDE & SCSI) require entry into the module during init.*/ | 361 | (IDE & SCSI) require entry into the module during init.*/ |
@@ -379,6 +381,31 @@ static inline int within_module_init(unsigned long addr, struct module *mod) | |||
379 | addr < (unsigned long)mod->module_init + mod->init_size; | 381 | addr < (unsigned long)mod->module_init + mod->init_size; |
380 | } | 382 | } |
381 | 383 | ||
384 | /* Search for module by name: must hold module_mutex. */ | ||
385 | struct module *find_module(const char *name); | ||
386 | |||
387 | struct symsearch { | ||
388 | const struct kernel_symbol *start, *stop; | ||
389 | const unsigned long *crcs; | ||
390 | enum { | ||
391 | NOT_GPL_ONLY, | ||
392 | GPL_ONLY, | ||
393 | WILL_BE_GPL_ONLY, | ||
394 | } licence; | ||
395 | bool unused; | ||
396 | }; | ||
397 | |||
398 | /* Search for an exported symbol by name. */ | ||
399 | const struct kernel_symbol *find_symbol(const char *name, | ||
400 | struct module **owner, | ||
401 | const unsigned long **crc, | ||
402 | bool gplok, | ||
403 | bool warn); | ||
404 | |||
405 | /* Walk the exported symbol table */ | ||
406 | bool each_symbol(bool (*fn)(const struct symsearch *arr, struct module *owner, | ||
407 | unsigned int symnum, void *data), void *data); | ||
408 | |||
382 | /* Returns 0 and fills in value, defined and namebuf, or -ERANGE if | 409 | /* Returns 0 and fills in value, defined and namebuf, or -ERANGE if |
383 | symnum out of range. */ | 410 | symnum out of range. */ |
384 | int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, | 411 | int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, |
@@ -452,6 +479,7 @@ static inline void __module_get(struct module *module) | |||
452 | #define symbol_put_addr(p) do { } while(0) | 479 | #define symbol_put_addr(p) do { } while(0) |
453 | 480 | ||
454 | #endif /* CONFIG_MODULE_UNLOAD */ | 481 | #endif /* CONFIG_MODULE_UNLOAD */ |
482 | int use_module(struct module *a, struct module *b); | ||
455 | 483 | ||
456 | /* This is a #define so the string doesn't get put in every .o file */ | 484 | /* This is a #define so the string doesn't get put in every .o file */ |
457 | #define module_name(mod) \ | 485 | #define module_name(mod) \ |