sys/kern/kern_linker.c

195 linker_file_sysinit(linker_file_t lf)
200 	    lf->filename));
204 	if (linker_file_lookup_set(lf, "sysinit_set", &start, &stop, NULL) != 0)
243 linker_file_sysuninit(linker_file_t lf)
248 	    lf->filename));
252 	if (linker_file_lookup_set(lf, "sysuninit_set", &start, &stop,
293 linker_file_register_sysctls(linker_file_t lf, bool enable)
299 	    lf->filename));
303 	if (linker_file_lookup_set(lf, "sysctl_set", &start, &stop, NULL) != 0)
319 linker_file_enable_sysctls(linker_file_t lf)
325 	    lf->filename));
329 	if (linker_file_lookup_set(lf, "sysctl_set", &start, &stop, NULL) != 0)
341 linker_file_unregister_sysctls(linker_file_t lf)
346 	    " for %s\n", lf->filename));
350 	if (linker_file_lookup_set(lf, "sysctl_set", &start, &stop, NULL) != 0)
362 linker_file_register_modules(linker_file_t lf)
369 	    " in %s\n", lf->filename));
373 	if (linker_file_lookup_set(lf, MDT_SETNAME, &start, &stop, NULL) != 0) {
379 		if (lf == linker_kernel_file) {
391 		    moddata->name, lf->filename));
392 		error = module_register(moddata, lf);
419 	linker_file_t lf;
427 	lf = linker_find_file_by_name(filename);
428 	if (lf) {
431 		*result = lf;
432 		lf->refs++;
446 		error = LINKER_LOAD_FILE(lc, filename, &lf);
453 		if (lf) {
454 			error = linker_file_register_modules(lf);
456 				linker_file_unload(lf, LINKER_UNLOAD_FORCE);
459 			modules = !TAILQ_EMPTY(&lf->modules);
460 			linker_file_register_sysctls(lf, false);
461 			linker_file_sysinit(lf);
462 			lf->flags |= LINKER_FILE_LINKED;
469 			if (modules && TAILQ_EMPTY(&lf->modules)) {
470 				linker_file_unload(lf, LINKER_UNLOAD_FORCE);
473 			linker_file_enable_sysctls(lf);
474 			EVENTHANDLER_INVOKE(kld_load, lf);
475 			*result = lf;
530     linker_file_t lf)
536 	if (lf == NULL) {
544 		lf = mod->container;
548 	error =	linker_file_unload(lf, LINKER_UNLOAD_NORMAL);
556 	linker_file_t lf;
563 	TAILQ_FOREACH(lf, &linker_files, link) {
564 		if (strcmp(lf->filename, koname) == 0)
566 		if (strcmp(lf->filename, filename) == 0)
570 	return (lf);
576 	linker_file_t lf;
579 	TAILQ_FOREACH(lf, &linker_files, link)
580 		if (lf->id == fileid && lf->flags & LINKER_FILE_LINKED)
582 	return (lf);
588 	linker_file_t lf;
592 	TAILQ_FOREACH(lf, &linker_files, link) {
593 		retval = predicate(lf, context);
604 	linker_file_t lf;
612 	lf = (linker_file_t)kobj_create((kobj_class_t)lc, M_LINKER, M_WAITOK);
613 	if (lf == NULL)
615 	lf->ctors_addr = 0;
616 	lf->ctors_size = 0;
617 	lf->refs = 1;
618 	lf->userrefs = 0;
619 	lf->flags = 0;
620 	lf->filename = strdup(filename, M_LINKER);
621 	lf->pathname = strdup(pathname, M_LINKER);
622 	LINKER_GET_NEXT_FILE_ID(lf->id);
623 	lf->ndeps = 0;
624 	lf->deps = NULL;
625 	lf->loadcnt = ++loadcnt;
627 	lf->exidx_addr = 0;
628 	lf->exidx_size = 0;
630 	STAILQ_INIT(&lf->common);
631 	TAILQ_INIT(&lf->modules);
632 	TAILQ_INSERT_TAIL(&linker_files, lf, link);
633 	return (lf);
649 	KLD_DPF(FILE, ("linker_file_unload: lf->refs=%d\n", file->refs));
801 linker_file_function_listall(linker_file_t lf,
804 	return (LINKER_EACH_FUNCTION_NAMEVAL(lf, callback_func, arg));
911 	linker_file_t lf;
913 	TAILQ_FOREACH(lf, &linker_files, link) {
914 		if (LINKER_LOOKUP_SYMBOL(lf, symstr, sym) == 0)
924 	linker_file_t lf;
931 	TAILQ_FOREACH(lf, &linker_files, link) {
932 		if (LINKER_SEARCH_SYMBOL(lf, value, &es, &diff) != 0)
955 	linker_file_t lf;
957 	TAILQ_FOREACH(lf, &linker_files, link) {
958 		if (LINKER_SYMBOL_VALUES(lf, sym, symval) == 0)
1045 	linker_file_t lf;
1074 	error = linker_load_module(kldname, modname, NULL, NULL, &lf);
1079 	lf->userrefs++;
1081 		*fileid = lf->id;
1111 	linker_file_t lf;
1122 	lf = linker_find_file_by_id(fileid);
1123 	if (lf) {
1124 		KLD_DPF(FILE, ("kldunload: lf->userrefs=%d\n", lf->userrefs));
1126 		if (lf->userrefs == 0) {
1134 			lf->userrefs--;
1135 			error = linker_file_unload(lf, flags);
1137 				lf->userrefs++;
1169 	linker_file_t lf;
1186 	lf = linker_find_file_by_name(filename);
1187 	if (lf)
1188 		td->td_retval[0] = lf->id;
1200 	linker_file_t lf;
1211 		lf = TAILQ_FIRST(&linker_files);
1213 		lf = linker_find_file_by_id(uap->fileid);
1214 		if (lf == NULL) {
1218 		lf = TAILQ_NEXT(lf, link);
1222 	while (lf != NULL && !(lf->flags & LINKER_FILE_LINKED))
1223 		lf = TAILQ_NEXT(lf, link);
1225 	if (lf)
1226 		td->td_retval[0] = lf->id;
1261 	linker_file_t lf;
1272 	lf = linker_find_file_by_id(fileid);
1273 	if (lf == NULL) {
1279 	namelen = strlen(lf->filename) + 1;
1282 	bcopy(lf->filename, &stat->name[0], namelen);
1283 	stat->refs = lf->refs;
1284 	stat->id = lf->id;
1285 	stat->address = lf->address;
1286 	stat->size = lf->size;
1288 	namelen = strlen(lf->pathname) + 1;
1291 	bcopy(lf->pathname, &stat->pathname[0], namelen);
1301 	linker_file_t lf;
1306 	TAILQ_FOREACH(lf, &linker_files, link) {
1309 		db_printf("%2d %4d %p %-8zx %s\n", lf->id, lf->refs,
1310 		    lf->address, lf->size, lf->filename);
1318 	linker_file_t lf;
1329 	lf = linker_find_file_by_id(uap->fileid);
1330 	if (lf) {
1332 		mp = TAILQ_FIRST(&lf->modules);
1350 	linker_file_t lf;
1370 		lf = linker_find_file_by_id(uap->fileid);
1371 		if (lf == NULL)
1373 		else if (LINKER_LOOKUP_SYMBOL(lf, symstr, &sym) == 0 &&
1374 		    LINKER_SYMBOL_VALUES(lf, sym, &symval) == 0) {
1381 		TAILQ_FOREACH(lf, &linker_files, link) {
1382 			if (LINKER_LOOKUP_SYMBOL(lf, symstr, &sym) == 0 &&
1383 			    LINKER_SYMBOL_VALUES(lf, sym, &symval) == 0) {
1391 		if (lf == NULL)
1456 linker_addmodules(linker_file_t lf, struct mod_metadata **start,
1474 		modlist_newmodule(modname, ver, lf);
1484 	linker_file_t lf, nlf;
1520 		lf = NULL;
1522 			error = LINKER_LINK_PRELOAD(lc, modname, &lf);
1525 			lf = NULL;
1527 		if (lf)
1528 			TAILQ_INSERT_TAIL(&loaded_files, lf, loaded);
1543 	TAILQ_FOREACH(lf, &loaded_files, loaded) {
1544 		error = linker_file_lookup_set(lf, MDT_SETNAME, &start,
1596 						    lf, loaded);
1597 						linker_file_unload(lf,
1602 					modlist_newmodule(modname, nver, lf);
1605 			TAILQ_REMOVE(&loaded_files, lf, loaded);
1606 			TAILQ_INSERT_TAIL(&depended_files, lf, loaded);
1620 	while ((lf = TAILQ_FIRST(&loaded_files)) != NULL) {
1621 		TAILQ_REMOVE(&loaded_files, lf, loaded);
1622 		printf("KLD file %s is missing dependencies\n", lf->filename);
1623 		linker_file_unload(lf, LINKER_UNLOAD_FORCE);
1629 	TAILQ_FOREACH_SAFE(lf, &depended_files, loaded, nlf) {
1632 			error = linker_file_add_dependency(lf,
1637 		error = linker_file_lookup_set(lf, MDT_SETNAME, &start,
1650 					    lf->filename, modname);
1654 				if (lf == mod->container)
1657 				error = linker_file_add_dependency(lf,
1667 		error = LINKER_LINK_PRELOAD_FINISH(lf);
1670 			    lf->filename);
1673 		linker_file_register_modules(lf);
1674 		if (!TAILQ_EMPTY(&lf->modules))
1675 			lf->flags |= LINKER_FILE_MODULES;
1676 		if (linker_file_lookup_set(lf, "sysinit_set", &si_start,
1679 		linker_file_register_sysctls(lf, true);
1680 		lf->flags |= LINKER_FILE_LINKED;
1683 		TAILQ_REMOVE(&depended_files, lf, loaded);
1684 		linker_file_unload(lf, LINKER_UNLOAD_FORCE);
1698 	linker_file_t lf, nlf;
1701 	TAILQ_FOREACH_SAFE(lf, &linker_files, link, nlf) {
1707 		if ((lf->flags & LINKER_FILE_MODULES) != 0 &&
1708 		    TAILQ_EMPTY(&lf->modules)) {
1709 			linker_file_unload(lf, LINKER_UNLOAD_FORCE);
1713 		lf->flags &= ~LINKER_FILE_MODULES;
1714 		lf->userrefs++;	/* so we can (try to) kldunload it */
2014 	linker_file_t lf;
2020 	TAILQ_FOREACH(lf, &linker_files, link)
2027 	TAILQ_FOREACH(lf, &linker_files, link) {
2030 		kobase[i].pm_file = lf->filename;
2031 		kobase[i].pm_address = (uintptr_t)lf->address;
2125 linker_load_dependencies(linker_file_t lf)
2141 		error = linker_file_add_dependency(lf, linker_kernel_file);
2145 	if (linker_file_lookup_set(lf, MDT_SETNAME, &start, &stop,
2184 			error = linker_file_add_dependency(lf, lfdep);
2189 		error = linker_load_module(NULL, modname, lf, verinfo, NULL);
2192 			    " version mismatch\n", lf->filename, modname);
2199 	linker_addmodules(lf, start, stop, 0);
2219 	linker_file_t lf;
2231 	TAILQ_FOREACH(lf, &linker_files, link) {
2232 		error = LINKER_EACH_FUNCTION_NAME(lf,