linker_file
typedef struct linker_file* linker_file_t;
typedef TAILQ_HEAD(, linker_file) linker_file_list_t;
TAILQ_ENTRY(linker_file) link; /* list of all loaded files */
TAILQ_ENTRY(linker_file) loaded; /* preload dependency support */
struct linker_file;
int module_register(const struct moduledata *, struct linker_file *);
struct linker_file *module_file(module_t);