Function linker_preload

freebsd/kern/kern_linker.c:1493–1703

}

static void
linker_preload(void *arg)
{
	caddr_t modptr;
	const char *modname, *nmodname;
	char *modtype;
	linker_file_t lf, nlf;
	linker_class_t lc;
	int error;
	linker_file_list_t loaded_files;
	linker_file_list_t depended_files;
	struct mod_metadata *mp, *nmp;
	struct mod_metadata **start, **stop, **mdp, **nmdp;
	const struct mod_depend *verinfo;
	int nver;
	int resolves;
	modlist_t mod;
	struct sysinit **si_start, **si_stop;

	TAILQ_INIT(&loaded_files);
	TAILQ_INIT(&depended_files);
	TAILQ_INIT(&found_modules);
	error = 0;

	modptr = NULL;
	sx_xlock(&kld_sx);
	while ((modptr = preload_search_next_name(modptr)) != NULL) {
		modname = (char *)preload_search_info(modptr, MODINFO_NAME);
		modtype = (char *)preload_search_info(modptr, MODINFO_TYPE);
		if (modname == NULL) {
			printf("Preloaded module at %p does not have a"
			    " name!\n", modptr);
			continue;
		}
		if (modtype == NULL) {
			printf("Preloaded module at %p does not have a type!\n",
			    modptr);
			continue;
		}
		if (bootverbose)
			printf("Preloaded %s \"%s\" at %p.\n", modtype, modname,
			    modptr);
		lf = NULL;
		TAILQ_FOREACH(lc, &classes, link) {
			error = LINKER_LINK_PRELOAD(lc, modname, &lf);
			if (!error)
				break;
			lf = NULL;
		}
		if (lf)
			TAILQ_INSERT_TAIL(&loaded_files, lf, loaded);
	}

	/*
	 * First get a list of stuff in the kernel.
	 */
	if (linker_file_lookup_set(linker_kernel_file, MDT_SETNAME, &start,
	    &stop, NULL) == 0)