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 <[email protected]> Dec 1996 7 * Rewritten again by Rusty Russell, 2002 8 */ 9 #include <linux/list.h> 10 #include <linux/stat.h> 11 #include <linux/compiler.h> 12 #include <linux/cache.h> 13 #include <linux/kmod.h> 14 #include <linux/elf.h> 15 #include <linux/stringify.h> 16 #include <linux/kobject.h> 17 #include <linux/moduleparam.h> 18 #include <linux/tracepoint.h> 19 20 #include <linux/percpu.h> 21 #include <asm/module.h> 22 23 #include <trace/events/module.h> 24 25 /* Not Yet Implemented */ 26 #define MODULE_SUPPORTED_DEVICE(name) 27 28 /* Some toolchains use a `_' prefix for all user symbols. */ 29 #ifdef CONFIG_SYMBOL_PREFIX 30 #define MODULE_SYMBOL_PREFIX CONFIG_SYMBOL_PREFIX 31 #else 32 #define MODULE_SYMBOL_PREFIX "" 33 #endif 34 35 #define MODULE_NAME_LEN MAX_PARAM_PREFIX_LEN 36 37 struct kernel_symbol 38 { 39 unsigned long value; 40 const char *name; 41 }; 42 43 struct modversion_info 44 { 45 unsigned long crc; 46 char name[MODULE_NAME_LEN]; 47 }; 48 49 struct module; 50 51 struct module_attribute { 52 struct attribute attr; 53 ssize_t (*show)(struct module_attribute *, struct module *, char *); 54 ssize_t (*store)(struct module_attribute *, struct module *, 55 const char *, size_t count); 56 void (*setup)(struct module *, const char *); 57 int (*test)(struct module *); 58 void (*free)(struct module *); 59 }; 60 61 struct module_version_attribute { 62 struct module_attribute mattr; 63 const char *module_name; 64 const char *version; 65 } __attribute__ ((__aligned__(sizeof(void *)))); 66 67 extern ssize_t __modver_version_show(struct module_attribute *, 68 struct module *, char *); 69 70 struct module_kobject 71 { 72 struct kobject kobj; 73 struct module *mod; 74 struct kobject *drivers_dir; 75 struct module_param_attrs *mp; 76 }; 77 78 /* These are either module local, or the kernel's dummy ones. */ 79 extern int init_module(void); 80 extern void cleanup_module(void); 81 82 /* Archs provide a method of finding the correct exception table. */ 83 struct exception_table_entry; 84 85 const struct exception_table_entry * 86 search_extable(const struct exception_table_entry *first, 87 const struct exception_table_entry *last, 88 unsigned long value); 89 void sort_extable(struct exception_table_entry *start, 90 struct exception_table_entry *finish); 91 void sort_main_extable(void); 92 void trim_init_extable(struct module *m); 93 94 #ifdef MODULE 95 #define MODULE_GENERIC_TABLE(gtype,name) \ 96 extern const struct gtype##_id __mod_##gtype##_table \ 97 __attribute__ ((unused, alias(__stringify(name)))) 98 99 extern struct module __this_module; 100 #define THIS_MODULE (&__this_module) 101 #else /* !MODULE */ 102 #define MODULE_GENERIC_TABLE(gtype,name) 103 #define THIS_MODULE ((struct module *)0) 104 #endif 105 106 /* Generic info of form tag = "info" */ 107 #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info) 108 109 /* For userspace: you can also call me... */ 110 #define MODULE_ALIAS(_alias) MODULE_INFO(alias, _alias) 111 112 /* 113 * The following license idents are currently accepted as indicating free 114 * software modules 115 * 116 * "GPL" [GNU Public License v2 or later] 117 * "GPL v2" [GNU Public License v2] 118 * "GPL and additional rights" [GNU Public License v2 rights and more] 119 * "Dual BSD/GPL" [GNU Public License v2 120 * or BSD license choice] 121 * "Dual MIT/GPL" [GNU Public License v2 122 * or MIT license choice] 123 * "Dual MPL/GPL" [GNU Public License v2 124 * or Mozilla license choice] 125 * 126 * The following other idents are available 127 * 128 * "Proprietary" [Non free products] 129 * 130 * There are dual licensed components, but when running with Linux it is the 131 * GPL that is relevant so this is a non issue. Similarly LGPL linked with GPL 132 * is a GPL combined work. 133 * 134 * This exists for several reasons 135 * 1. So modinfo can show license info for users wanting to vet their setup 136 * is free 137 * 2. So the community can ignore bug reports including proprietary modules 138 * 3. So vendors can do likewise based on their own policies 139 */ 140 #define MODULE_LICENSE(_license) MODULE_INFO(license, _license) 141 142 /* 143 * Author(s), use "Name <email>" or just "Name", for multiple 144 * authors use multiple MODULE_AUTHOR() statements/lines. 145 */ 146 #define MODULE_AUTHOR(_author) MODULE_INFO(author, _author) 147 148 /* What your module does. */ 149 #define MODULE_DESCRIPTION(_description) MODULE_INFO(description, _description) 150 151 /* One for each parameter, describing how to use it. Some files do 152 multiple of these per line, so can't just use MODULE_INFO. */ 153 #define MODULE_PARM_DESC(_parm, desc) \ 154 __MODULE_INFO(parm, _parm, #_parm ":" desc) 155 156 #define MODULE_DEVICE_TABLE(type,name) \ 157 MODULE_GENERIC_TABLE(type##_device,name) 158 159 /* Version of form [<epoch>:]<version>[-<extra-version>]. 160 Or for CVS/RCS ID version, everything but the number is stripped. 161 <epoch>: A (small) unsigned integer which allows you to start versions 162 anew. If not mentioned, it's zero. eg. "2:1.0" is after 163 "1:2.0". 164 <version>: The <version> may contain only alphanumerics and the 165 character `.'. Ordered by numeric sort for numeric parts, 166 ascii sort for ascii parts (as per RPM or DEB algorithm). 167 <extraversion>: Like <version>, but inserted for local 168 customizations, eg "rh3" or "rusty1". 169 170 Using this automatically adds a checksum of the .c files and the 171 local headers in "srcversion". 172 */ 173 174 #if defined(MODULE) || !defined(CONFIG_SYSFS) 175 #define MODULE_VERSION(_version) MODULE_INFO(version, _version) 176 #else 177 #define MODULE_VERSION(_version) \ 178 static struct module_version_attribute ___modver_attr = { \ 179 .mattr = { \ 180 .attr = { \ 181 .name = "version", \ 182 .mode = S_IRUGO, \ 183 }, \ 184 .show = __modver_version_show, \ 185 }, \ 186 .module_name = KBUILD_MODNAME, \ 187 .version = _version, \ 188 }; \ 189 static const struct module_version_attribute \ 190 __used __attribute__ ((__section__ ("__modver"))) \ 191 * __moduleparam_const __modver_attr = &___modver_attr 192 #endif 193 194 /* Optional firmware file (or files) needed by the module 195 * format is simply firmware file name. Multiple firmware 196 * files require multiple MODULE_FIRMWARE() specifiers */ 197 #define MODULE_FIRMWARE(_firmware) MODULE_INFO(firmware, _firmware) 198 199 /* Given an address, look for it in the exception tables */ 200 const struct exception_table_entry *search_exception_tables(unsigned long add); 201 202 struct notifier_block; 203 204 #ifdef CONFIG_MODULES 205 206 extern int modules_disabled; /* for sysctl */ 207 /* Get/put a kernel symbol (calls must be symmetric) */ 208 void *__symbol_get(const char *symbol); 209 void *__symbol_get_gpl(const char *symbol); 210 #define symbol_get(x) ((typeof(&x))(__symbol_get(MODULE_SYMBOL_PREFIX #x))) 211 212 /* modules using other modules: kdb wants to see this. */ 213 struct module_use { 214 struct list_head source_list; 215 struct list_head target_list; 216 struct module *source, *target; 217 }; 218 219 #ifndef __GENKSYMS__ 220 #ifdef CONFIG_MODVERSIONS 221 /* Mark the CRC weak since genksyms apparently decides not to 222 * generate a checksums for some symbols */ 223 #define __CRC_SYMBOL(sym, sec) \ 224 extern void *__crc_##sym __attribute__((weak)); \ 225 static const unsigned long __kcrctab_##sym \ 226 __used \ 227 __attribute__((section("___kcrctab" sec "+" #sym), unused)) \ 228 = (unsigned long) &__crc_##sym; 229 #else 230 #define __CRC_SYMBOL(sym, sec) 231 #endif 232 233 /* For every exported symbol, place a struct in the __ksymtab section */ 234 #define __EXPORT_SYMBOL(sym, sec) \ 235 extern typeof(sym) sym; \ 236 __CRC_SYMBOL(sym, sec) \ 237 static const char __kstrtab_##sym[] \ 238 __attribute__((section("__ksymtab_strings"), aligned(1))) \ 239 = MODULE_SYMBOL_PREFIX #sym; \ 240 static const struct kernel_symbol __ksymtab_##sym \ 241 __used \ 242 __attribute__((section("___ksymtab" sec "+" #sym), unused)) \ 243 = { (unsigned long)&sym, __kstrtab_##sym } 244 245 #define EXPORT_SYMBOL(sym) \ 246 __EXPORT_SYMBOL(sym, "") 247 248 #define EXPORT_SYMBOL_GPL(sym) \ 249 __EXPORT_SYMBOL(sym, "_gpl") 250 251 #define EXPORT_SYMBOL_GPL_FUTURE(sym) \ 252 __EXPORT_SYMBOL(sym, "_gpl_future") 253 254 255 #ifdef CONFIG_UNUSED_SYMBOLS 256 #define EXPORT_UNUSED_SYMBOL(sym) __EXPORT_SYMBOL(sym, "_unused") 257 #define EXPORT_UNUSED_SYMBOL_GPL(sym) __EXPORT_SYMBOL(sym, "_unused_gpl") 258 #else 259 #define EXPORT_UNUSED_SYMBOL(sym) 260 #define EXPORT_UNUSED_SYMBOL_GPL(sym) 261 #endif 262 263 #endif 264 265 enum module_state 266 { 267 MODULE_STATE_LIVE, 268 MODULE_STATE_COMING, 269 MODULE_STATE_GOING, 270 }; 271 272 struct module 273 { 274 enum module_state state; 275 276 /* Member of list of modules */ 277 struct list_head list; 278 279 /* Unique handle for this module */ 280 char name[MODULE_NAME_LEN]; 281 282 /* Sysfs stuff. */ 283 struct module_kobject mkobj; 284 struct module_attribute *modinfo_attrs; 285 const char *version; 286 const char *srcversion; 287 struct kobject *holders_dir; 288 289 /* Exported symbols */ 290 const struct kernel_symbol *syms; 291 const unsigned long *crcs; 292 unsigned int num_syms; 293 294 /* Kernel parameters. */ 295 struct kernel_param *kp; 296 unsigned int num_kp; 297 298 /* GPL-only exported symbols. */ 299 unsigned int num_gpl_syms; 300 const struct kernel_symbol *gpl_syms; 301 const unsigned long *gpl_crcs; 302 303 #ifdef CONFIG_UNUSED_SYMBOLS 304 /* unused exported symbols. */ 305 const struct kernel_symbol *unused_syms; 306 const unsigned long *unused_crcs; 307 unsigned int num_unused_syms; 308 309 /* GPL-only, unused exported symbols. */ 310 unsigned int num_unused_gpl_syms; 311 const struct kernel_symbol *unused_gpl_syms; 312 const unsigned long *unused_gpl_crcs; 313 #endif 314 315 /* symbols that will be GPL-only in the near future. */ 316 const struct kernel_symbol *gpl_future_syms; 317 const unsigned long *gpl_future_crcs; 318 unsigned int num_gpl_future_syms; 319 320 /* Exception table */ 321 unsigned int num_exentries; 322 struct exception_table_entry *extable; 323 324 /* Startup function. */ 325 int (*init)(void); 326 327 /* If this is non-NULL, vfree after init() returns */ 328 void *module_init; 329 330 /* Here is the actual code + data, vfree'd on unload. */ 331 void *module_core; 332 333 /* Here are the sizes of the init and core sections */ 334 unsigned int init_size, core_size; 335 336 /* The size of the executable code in each section. */ 337 unsigned int init_text_size, core_text_size; 338 339 /* Size of RO sections of the module (text+rodata) */ 340 unsigned int init_ro_size, core_ro_size; 341 342 /* Arch-specific module values */ 343 struct mod_arch_specific arch; 344 345 unsigned int taints; /* same bits as kernel:tainted */ 346 347 #ifdef CONFIG_GENERIC_BUG 348 /* Support for BUG */ 349 unsigned num_bugs; 350 struct list_head bug_list; 351 struct bug_entry *bug_table; 352 #endif 353 354 #ifdef CONFIG_KALLSYMS 355 /* 356 * We keep the symbol and string tables for kallsyms. 357 * The core_* fields below are temporary, loader-only (they 358 * could really be discarded after module init). 359 */ 360 Elf_Sym *symtab, *core_symtab; 361 unsigned int num_symtab, core_num_syms; 362 char *strtab, *core_strtab; 363 364 /* Section attributes */ 365 struct module_sect_attrs *sect_attrs; 366 367 /* Notes attributes */ 368 struct module_notes_attrs *notes_attrs; 369 #endif 370 371 /* The command line arguments (may be mangled). People like 372 keeping pointers to this stuff */ 373 char *args; 374 375 #ifdef CONFIG_SMP 376 /* Per-cpu data. */ 377 void __percpu *percpu; 378 unsigned int percpu_size; 379 #endif 380 381 #ifdef CONFIG_TRACEPOINTS 382 unsigned int num_tracepoints; 383 struct tracepoint * const *tracepoints_ptrs; 384 #endif 385 #ifdef HAVE_JUMP_LABEL 386 struct jump_entry *jump_entries; 387 unsigned int num_jump_entries; 388 #endif 389 #ifdef CONFIG_TRACING 390 unsigned int num_trace_bprintk_fmt; 391 const char **trace_bprintk_fmt_start; 392 #endif 393 #ifdef CONFIG_EVENT_TRACING 394 struct ftrace_event_call **trace_events; 395 unsigned int num_trace_events; 396 #endif 397 #ifdef CONFIG_FTRACE_MCOUNT_RECORD 398 unsigned int num_ftrace_callsites; 399 unsigned long *ftrace_callsites; 400 #endif 401 402 #ifdef CONFIG_MODULE_UNLOAD 403 /* What modules depend on me? */ 404 struct list_head source_list; 405 /* What modules do I depend on? */ 406 struct list_head target_list; 407 408 /* Who is waiting for us to be unloaded */ 409 struct task_struct *waiter; 410 411 /* Destruction function. */ 412 void (*exit)(void); 413 414 struct module_ref { 415 unsigned int incs; 416 unsigned int decs; 417 } __percpu *refptr; 418 #endif 419 420 #ifdef CONFIG_CONSTRUCTORS 421 /* Constructor functions. */ 422 ctor_fn_t *ctors; 423 unsigned int num_ctors; 424 #endif 425 }; 426 #ifndef MODULE_ARCH_INIT 427 #define MODULE_ARCH_INIT {} 428 #endif 429 430 extern struct mutex module_mutex; 431 432 /* FIXME: It'd be nice to isolate modules during init, too, so they 433 aren't used before they (may) fail. But presently too much code 434 (IDE & SCSI) require entry into the module during init.*/ 435 static inline int module_is_live(struct module *mod) 436 { 437 return mod->state != MODULE_STATE_GOING; 438 } 439 440 struct module *__module_text_address(unsigned long addr); 441 struct module *__module_address(unsigned long addr); 442 bool is_module_address(unsigned long addr); 443 bool is_module_percpu_address(unsigned long addr); 444 bool is_module_text_address(unsigned long addr); 445 446 static inline int within_module_core(unsigned long addr, struct module *mod) 447 { 448 return (unsigned long)mod->module_core <= addr && 449 addr < (unsigned long)mod->module_core + mod->core_size; 450 } 451 452 static inline int within_module_init(unsigned long addr, struct module *mod) 453 { 454 return (unsigned long)mod->module_init <= addr && 455 addr < (unsigned long)mod->module_init + mod->init_size; 456 } 457 458 /* Search for module by name: must hold module_mutex. */ 459 struct module *find_module(const char *name); 460 461 struct symsearch { 462 const struct kernel_symbol *start, *stop; 463 const unsigned long *crcs; 464 enum { 465 NOT_GPL_ONLY, 466 GPL_ONLY, 467 WILL_BE_GPL_ONLY, 468 } licence; 469 bool unused; 470 }; 471 472 /* Search for an exported symbol by name. */ 473 const struct kernel_symbol *find_symbol(const char *name, 474 struct module **owner, 475 const unsigned long **crc, 476 bool gplok, 477 bool warn); 478 479 /* Walk the exported symbol table */ 480 bool each_symbol_section(bool (*fn)(const struct symsearch *arr, 481 struct module *owner, 482 void *data), void *data); 483 484 /* Returns 0 and fills in value, defined and namebuf, or -ERANGE if 485 symnum out of range. */ 486 int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, 487 char *name, char *module_name, int *exported); 488 489 /* Look for this name: can be of form module:name. */ 490 unsigned long module_kallsyms_lookup_name(const char *name); 491 492 int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, 493 struct module *, unsigned long), 494 void *data); 495 496 extern void __module_put_and_exit(struct module *mod, long code) 497 __attribute__((noreturn)); 498 #define module_put_and_exit(code) __module_put_and_exit(THIS_MODULE, code); 499 500 #ifdef CONFIG_MODULE_UNLOAD 501 unsigned int module_refcount(struct module *mod); 502 void __symbol_put(const char *symbol); 503 #define symbol_put(x) __symbol_put(MODULE_SYMBOL_PREFIX #x) 504 void symbol_put_addr(void *addr); 505 506 /* Sometimes we know we already have a refcount, and it's easier not 507 to handle the error case (which only happens with rmmod --wait). */ 508 static inline void __module_get(struct module *module) 509 { 510 if (module) { 511 preempt_disable(); 512 __this_cpu_inc(module->refptr->incs); 513 trace_module_get(module, _THIS_IP_); 514 preempt_enable(); 515 } 516 } 517 518 static inline int try_module_get(struct module *module) 519 { 520 int ret = 1; 521 522 if (module) { 523 preempt_disable(); 524 525 if (likely(module_is_live(module))) { 526 __this_cpu_inc(module->refptr->incs); 527 trace_module_get(module, _THIS_IP_); 528 } else 529 ret = 0; 530 531 preempt_enable(); 532 } 533 return ret; 534 } 535 536 extern void module_put(struct module *module); 537 538 #else /*!CONFIG_MODULE_UNLOAD*/ 539 static inline int try_module_get(struct module *module) 540 { 541 return !module || module_is_live(module); 542 } 543 static inline void module_put(struct module *module) 544 { 545 } 546 static inline void __module_get(struct module *module) 547 { 548 } 549 #define symbol_put(x) do { } while(0) 550 #define symbol_put_addr(p) do { } while(0) 551 552 #endif /* CONFIG_MODULE_UNLOAD */ 553 int ref_module(struct module *a, struct module *b); 554 555 /* This is a #define so the string doesn't get put in every .o file */ 556 #define module_name(mod) \ 557 ({ \ 558 struct module *__mod = (mod); \ 559 __mod ? __mod->name : "kernel"; \ 560 }) 561 562 /* For kallsyms to ask for address resolution. namebuf should be at 563 * least KSYM_NAME_LEN long: a pointer to namebuf is returned if 564 * found, otherwise NULL. */ 565 const char *module_address_lookup(unsigned long addr, 566 unsigned long *symbolsize, 567 unsigned long *offset, 568 char **modname, 569 char *namebuf); 570 int lookup_module_symbol_name(unsigned long addr, char *symname); 571 int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); 572 573 /* For extable.c to search modules' exception tables. */ 574 const struct exception_table_entry *search_module_extables(unsigned long addr); 575 576 int register_module_notifier(struct notifier_block * nb); 577 int unregister_module_notifier(struct notifier_block * nb); 578 579 extern void print_modules(void); 580 581 extern void module_update_tracepoints(void); 582 extern int module_get_iter_tracepoints(struct tracepoint_iter *iter); 583 584 #else /* !CONFIG_MODULES... */ 585 #define EXPORT_SYMBOL(sym) 586 #define EXPORT_SYMBOL_GPL(sym) 587 #define EXPORT_SYMBOL_GPL_FUTURE(sym) 588 #define EXPORT_UNUSED_SYMBOL(sym) 589 #define EXPORT_UNUSED_SYMBOL_GPL(sym) 590 591 /* Given an address, look for it in the exception tables. */ 592 static inline const struct exception_table_entry * 593 search_module_extables(unsigned long addr) 594 { 595 return NULL; 596 } 597 598 static inline struct module *__module_address(unsigned long addr) 599 { 600 return NULL; 601 } 602 603 static inline struct module *__module_text_address(unsigned long addr) 604 { 605 return NULL; 606 } 607 608 static inline bool is_module_address(unsigned long addr) 609 { 610 return false; 611 } 612 613 static inline bool is_module_percpu_address(unsigned long addr) 614 { 615 return false; 616 } 617 618 static inline bool is_module_text_address(unsigned long addr) 619 { 620 return false; 621 } 622 623 /* Get/put a kernel symbol (calls should be symmetric) */ 624 #define symbol_get(x) ({ extern typeof(x) x __attribute__((weak)); &(x); }) 625 #define symbol_put(x) do { } while(0) 626 #define symbol_put_addr(x) do { } while(0) 627 628 static inline void __module_get(struct module *module) 629 { 630 } 631 632 static inline int try_module_get(struct module *module) 633 { 634 return 1; 635 } 636 637 static inline void module_put(struct module *module) 638 { 639 } 640 641 #define module_name(mod) "kernel" 642 643 /* For kallsyms to ask for address resolution. NULL means not found. */ 644 static inline const char *module_address_lookup(unsigned long addr, 645 unsigned long *symbolsize, 646 unsigned long *offset, 647 char **modname, 648 char *namebuf) 649 { 650 return NULL; 651 } 652 653 static inline int lookup_module_symbol_name(unsigned long addr, char *symname) 654 { 655 return -ERANGE; 656 } 657 658 static inline int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name) 659 { 660 return -ERANGE; 661 } 662 663 static inline int module_get_kallsym(unsigned int symnum, unsigned long *value, 664 char *type, char *name, 665 char *module_name, int *exported) 666 { 667 return -ERANGE; 668 } 669 670 static inline unsigned long module_kallsyms_lookup_name(const char *name) 671 { 672 return 0; 673 } 674 675 static inline int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, 676 struct module *, 677 unsigned long), 678 void *data) 679 { 680 return 0; 681 } 682 683 static inline int register_module_notifier(struct notifier_block * nb) 684 { 685 /* no events will happen anyway, so this can always succeed */ 686 return 0; 687 } 688 689 static inline int unregister_module_notifier(struct notifier_block * nb) 690 { 691 return 0; 692 } 693 694 #define module_put_and_exit(code) do_exit(code) 695 696 static inline void print_modules(void) 697 { 698 } 699 700 static inline void module_update_tracepoints(void) 701 { 702 } 703 704 static inline int module_get_iter_tracepoints(struct tracepoint_iter *iter) 705 { 706 return 0; 707 } 708 #endif /* CONFIG_MODULES */ 709 710 #ifdef CONFIG_SYSFS 711 extern struct kset *module_kset; 712 extern struct kobj_type module_ktype; 713 extern int module_sysfs_initialized; 714 #endif /* CONFIG_SYSFS */ 715 716 #define symbol_request(x) try_then_request_module(symbol_get(x), "symbol:" #x) 717 718 /* BELOW HERE ALL THESE ARE OBSOLETE AND WILL VANISH */ 719 720 #define __MODULE_STRING(x) __stringify(x) 721 722 #ifdef CONFIG_DEBUG_SET_MODULE_RONX 723 extern void set_all_modules_text_rw(void); 724 extern void set_all_modules_text_ro(void); 725 #else 726 static inline void set_all_modules_text_rw(void) { } 727 static inline void set_all_modules_text_ro(void) { } 728 #endif 729 730 #ifdef CONFIG_GENERIC_BUG 731 void module_bug_finalize(const Elf_Ehdr *, const Elf_Shdr *, 732 struct module *); 733 void module_bug_cleanup(struct module *); 734 735 #else /* !CONFIG_GENERIC_BUG */ 736 737 static inline void module_bug_finalize(const Elf_Ehdr *hdr, 738 const Elf_Shdr *sechdrs, 739 struct module *mod) 740 { 741 } 742 static inline void module_bug_cleanup(struct module *mod) {} 743 #endif /* CONFIG_GENERIC_BUG */ 744 745 #endif /* _LINUX_MODULE_H */ 746