95 static void digest_dynamic1(Obj_Entry *, int, const Elf_Dyn **,
97 static bool digest_dynamic2(Obj_Entry *, const Elf_Dyn *, const Elf_Dyn *,
99 static bool digest_dynamic(Obj_Entry *, int);
100 static Obj_Entry *digest_phdr(const Elf_Phdr *, int, caddr_t, const char *);
102 static Obj_Entry *dlcheck(void *);
104 static Obj_Entry *dlopen_object(const char *name, int fd, Obj_Entry *refobj,
106 static Obj_Entry *do_load_object(int, const char *, char *, struct stat *, int);
107 static int do_search_info(const Obj_Entry *obj, int, struct dl_serinfo *);
108 static bool donelist_check(DoneList *, const Obj_Entry *);
113 static char *find_library(const char *, const Obj_Entry *, int *);
115 static void hold_object(Obj_Entry *);
116 static void unhold_object(Obj_Entry *);
117 static void init_dag(Obj_Entry *);
118 static void init_marker(Obj_Entry *);
122 static void initlist_add_objects(Obj_Entry *, Obj_Entry *, Objlist *,
124 static void initlist_for_loaded_obj(Obj_Entry *obj, Obj_Entry *tail,
127 static void linkmap_add(Obj_Entry *);
128 static void linkmap_delete(Obj_Entry *);
129 static void load_filtees(Obj_Entry *, int flags, RtldLockState *);
130 static void unload_filtees(Obj_Entry *, RtldLockState *);
131 static int load_needed_objects(Obj_Entry *, int);
134 static Obj_Entry *load_object(const char *, int fd, const Obj_Entry *, int);
136 static int obj_disable_relro(Obj_Entry *);
137 static int obj_enforce_relro(Obj_Entry *);
138 static void objlist_call_fini(Objlist *, Obj_Entry *, RtldLockState *);
141 static Objlist_Entry *objlist_find(Objlist *, const Obj_Entry *);
143 static void objlist_push_head(Objlist *, Obj_Entry *);
144 static void objlist_push_tail(Objlist *, Obj_Entry *);
145 static void objlist_put_after(Objlist *, Obj_Entry *, Obj_Entry *);
146 static void objlist_remove(Objlist *, Obj_Entry *);
154 static void release_object(Obj_Entry *);
155 static int relocate_object_dag(Obj_Entry *root, bool bind_now,
156     Obj_Entry *rtldobj, int flags, RtldLockState *lockstate);
157 static int relocate_object(Obj_Entry *obj, bool bind_now, Obj_Entry *rtldobj,
159 static int relocate_objects(Obj_Entry *, bool, Obj_Entry *, int,
161 static int resolve_object_ifunc(Obj_Entry *, bool, int, RtldLockState *);
172 static int symlook_default(SymLook *, const Obj_Entry *refobj);
177 static int symlook_obj1_sysv(SymLook *, const Obj_Entry *);
178 static int symlook_obj1_gnu(SymLook *, const Obj_Entry *);
180 static void trace_loaded_objects(Obj_Entry *, bool);
181 static void unlink_object(Obj_Entry *);
182 static void unload_object(Obj_Entry *, RtldLockState *lockstate);
183 static void unref_dag(Obj_Entry *);
184 static void ref_dag(Obj_Entry *);
185 static char *origin_subst_one(Obj_Entry *, char *, const char *, const char *,
187 static char *origin_subst(Obj_Entry *, const char *);
188 static bool obj_resolve_origin(Obj_Entry *obj);
191 static int rtld_verify_object_versions(Obj_Entry *);
192 static void object_add_name(Obj_Entry *, const char *);
193 static int object_match_name(const Obj_Entry *, const char *);
195 static void rtld_fill_dl_phdr_info(const Obj_Entry *obj,
198 static bool matched_symbol(SymLook *, const Obj_Entry *, Sym_Match_Result *,
233 static Obj_Entry *obj_main;	    /* The main program shared object */
234 static Obj_Entry obj_rtld;	    /* The dynamic linker shared object */
278 func_ptr_type _rtld(Elf_Addr *sp, func_ptr_type *exit_proc, Obj_Entry **objp);
279 Elf_Addr _rtld_bind(Obj_Entry *obj, Elf_Size reloff);
508 _rtld(Elf_Addr *sp, func_ptr_type *exit_proc, Obj_Entry **objp)  in _rtld()
512 	Obj_Entry *last_interposer, *obj, *preload_tail;  in _rtld()
1036 rtld_resolve_ifunc(const Obj_Entry *obj, const Elf_Sym *def)  in rtld_resolve_ifunc()
1047 _rtld_bind(Obj_Entry *obj, Elf_Size reloff)  in _rtld_bind()
1051 	const Obj_Entry *defobj;  in _rtld_bind()
1160 origin_subst_one(Obj_Entry *obj, char *real, const char *kw, const char *subst,  in origin_subst_one()
1242 origin_subst(Obj_Entry *obj, const char *real)  in origin_subst()
1283 digest_dynamic1(Obj_Entry *obj, int early, const Elf_Dyn **dyn_rpath,  in digest_dynamic1()
1627 obj_resolve_origin(Obj_Entry *obj)  in obj_resolve_origin()
1636 digest_dynamic2(Obj_Entry *obj, const Elf_Dyn *dyn_rpath,  in digest_dynamic2()
1656 digest_dynamic(Obj_Entry *obj, int early)  in digest_dynamic()
1672 static Obj_Entry *
1675 	Obj_Entry *obj;  in digest_phdr()
1748 digest_notes(Obj_Entry *obj, Elf_Addr note_start, Elf_Addr note_end)  in digest_notes()
1796 static Obj_Entry *
1799 	Obj_Entry *obj;  in dlcheck()
1802 		if (obj == (Obj_Entry *)handle)  in dlcheck()
1818 donelist_check(DoneList *dlp, const Obj_Entry *obj)  in donelist_check()
1893 find_library(const char *xname, const Obj_Entry *refobj, int *fdp)  in find_library()
1912 		return (origin_subst(__DECONST(Obj_Entry *, refobj),  in find_library()
2003 find_symdef(unsigned long symnum, const Obj_Entry *refobj,  in find_symdef()
2004     const Obj_Entry **defobj_out, int flags, SymCache *cache,  in find_symdef()
2009 	const Obj_Entry *defobj;  in find_symdef()
2304 init_dag(Obj_Entry *root)  in init_dag()
2338 init_marker(Obj_Entry *marker)  in init_marker()
2344 Obj_Entry *
2345 globallist_curr(const Obj_Entry *obj)  in globallist_curr()
2351 			return (__DECONST(Obj_Entry *, obj));  in globallist_curr()
2356 Obj_Entry *
2357 globallist_next(const Obj_Entry *obj)  in globallist_next()
2364 			return (__DECONST(Obj_Entry *, obj));  in globallist_next()
2370 hold_object(Obj_Entry *obj)  in hold_object()
2376 unhold_object(Obj_Entry *obj)  in unhold_object()
2384 process_z(Obj_Entry *root)  in process_z()
2387 	Obj_Entry *obj;  in process_z()
2418 parse_rtld_phdr(Obj_Entry *obj)  in parse_rtld_phdr()
2456 	Obj_Entry objtmp; /* Temporary rtld object */  in init_rtld()
2591 initlist_for_loaded_obj(Obj_Entry *obj, Obj_Entry *tail, Objlist *list)  in initlist_for_loaded_obj()
2600 		Obj_Entry *tobj = tmp->obj;  in initlist_for_loaded_obj()
2622 initlist_add_objects(Obj_Entry *obj, Obj_Entry *tail, Objlist *list,  in initlist_add_objects()
2625 	Obj_Entry *nobj;  in initlist_add_objects()
2700 unload_filtees(Obj_Entry *obj, RtldLockState *lockstate)  in unload_filtees()
2710 load_filtee1(Obj_Entry *obj, Needed_Entry *needed, int flags,  in load_filtee1()
2721 load_filtees(Obj_Entry *obj, int flags, RtldLockState *lockstate)  in load_filtees()
2734 process_needed(Obj_Entry *obj, Needed_Entry *needed, int flags)  in process_needed()
2736 	Obj_Entry *obj1;  in process_needed()
2754 load_needed_objects(Obj_Entry *first, int flags)  in load_needed_objects()
2756 	Obj_Entry *obj;  in load_needed_objects()
2770 	Obj_Entry *obj;  in load_preload_objects()
2830 static Obj_Entry *
2831 load_object(const char *name, int fd_u, const Obj_Entry *refobj, int flags)  in load_object()
2833 	Obj_Entry *obj;  in load_object()
2915 static Obj_Entry *
2919 	Obj_Entry *obj;  in do_load_object()
2987 	Obj_Entry *obj;  in load_kpreload()
3057 Obj_Entry *
3060 	Obj_Entry *obj;  in obj_from_addr()
3102 objlist_call_fini(Objlist *list, Obj_Entry *root, RtldLockState *lockstate)  in objlist_call_fini()
3191 	Obj_Entry *obj;  in objlist_call_init()
3281 objlist_find(Objlist *list, const Obj_Entry *obj)  in objlist_find()
3298 objlist_push_head(Objlist *list, Obj_Entry *obj)  in objlist_push_head()
3308 objlist_push_tail(Objlist *list, Obj_Entry *obj)  in objlist_push_tail()
3318 objlist_put_after(Objlist *list, Obj_Entry *listobj, Obj_Entry *obj)  in objlist_put_after()
3335 objlist_remove(Objlist *list, Obj_Entry *obj)  in objlist_remove()
3351 relocate_object_dag(Obj_Entry *root, bool bind_now, Obj_Entry *rtldobj,  in relocate_object_dag()
3376 reloc_textrel_prot(Obj_Entry *obj, bool before)  in reloc_textrel_prot()
3403 reloc_relr(Obj_Entry *obj)  in reloc_relr()
3429 relocate_object(Obj_Entry *obj, bool bind_now, Obj_Entry *rtldobj, int flags,  in relocate_object()
3487 relocate_objects(Obj_Entry *first, bool bind_now, Obj_Entry *rtldobj, int flags,  in relocate_objects()
3490 	Obj_Entry *obj;  in relocate_objects()
3516 resolve_object_ifunc(Obj_Entry *obj, bool bind_now, int flags,  in resolve_object_ifunc()
3545 	Obj_Entry *obj;  in initlist_objects_ifunc()
3760 	Obj_Entry *root;  in dlclose_locked()
3864 dlopen_cleanup(Obj_Entry *obj, RtldLockState *lockstate)  in dlopen_cleanup()
3872 static Obj_Entry *
3873 dlopen_object(const char *name, int fd, Obj_Entry *refobj, int lo_flags,  in dlopen_object()
3876 	Obj_Entry *obj;  in dlopen_object()
4022 	const Obj_Entry *obj, *defobj;  in do_dlsym()
4207 	const Obj_Entry *obj;  in _rtld_addr_phdr()
4225 	const Obj_Entry *obj;  in dladdr()
4281 	const Obj_Entry *obj;  in dlinfo()
4326 rtld_fill_dl_phdr_info(const Obj_Entry *obj, struct dl_phdr_info *phdr_info)  in rtld_fill_dl_phdr_info()
4347 	Obj_Entry *obj;  in _dl_iterate_phdr_locked()
4366 	Obj_Entry *obj, marker;  in dl_iterate_phdr()
4432 do_search_info(const Obj_Entry *obj, int request, struct dl_serinfo *info)  in do_search_info()
4560 linkmap_add(Obj_Entry *obj)  in linkmap_add()
4593 linkmap_delete(Obj_Entry *obj)  in linkmap_delete()
4647 release_object(Obj_Entry *obj)  in release_object()
4749 symlook_default(SymLook *req, const Obj_Entry *refobj)  in symlook_default()
4816 	const Obj_Entry *defobj;  in symlook_list()
4857 	const Obj_Entry *defobj;  in symlook_needed()
4886 symlook_obj_load_filtees(SymLook *req, SymLook *req1, const Obj_Entry *obj,  in symlook_obj_load_filtees()
4893 	load_filtees(__DECONST(Obj_Entry *, obj), flags, req->lockstate);  in symlook_obj_load_filtees()
4909 symlook_obj(SymLook *req, const Obj_Entry *obj)  in symlook_obj()
4950 matched_symbol(SymLook *req, const Obj_Entry *obj, Sym_Match_Result *result,  in matched_symbol()
5063 symlook_obj1_sysv(SymLook *req, const Obj_Entry *obj)  in symlook_obj1_sysv()
5093 symlook_obj1_gnu(SymLook *req, const Obj_Entry *obj)  in symlook_obj1_gnu()
5158 trace_print_obj(Obj_Entry *obj, const char *name, const char *path,  in trace_print_obj()
5219 trace_loaded_objects(Obj_Entry *obj, bool show_preload)  in trace_loaded_objects()
5279 unload_object(Obj_Entry *root, RtldLockState *lockstate)  in unload_object()
5281 	Obj_Entry marker, *obj, *next;  in unload_object()
5322 unlink_object(Obj_Entry *root)  in unlink_object()
5340 ref_dag(Obj_Entry *root)  in ref_dag()
5350 unref_dag(Obj_Entry *root)  in unref_dag()
5490 allocate_tls(Obj_Entry *objs, void *oldtcb, size_t tcbsize, size_t tcbalign)  in allocate_tls()
5492 	Obj_Entry *obj;  in allocate_tls()
5609 allocate_tls(Obj_Entry *objs, void *oldtcb, size_t tcbsize, size_t tcbalign)  in allocate_tls()
5611 	Obj_Entry *obj;  in allocate_tls()
5726 	Obj_Entry *obj;  in allocate_module_tls()
5795 allocate_tls_offset(Obj_Entry *obj)  in allocate_tls_offset()
5818 free_tls_offset(Obj_Entry *obj)  in free_tls_offset()
5861 object_add_name(Obj_Entry *obj, const char *name)  in object_add_name()
5876 object_match_name(const Obj_Entry *obj, const char *name)  in object_match_name()
5887 static Obj_Entry *
5888 locate_dependency(const Obj_Entry *obj, const char *name)  in locate_dependency()
5918 check_object_provided_version(Obj_Entry *refobj, const Obj_Entry *depobj,  in check_object_provided_version()
5958 rtld_verify_object_versions(Obj_Entry *obj)  in rtld_verify_object_versions()
5964 	const Obj_Entry *depobj;  in rtld_verify_object_versions()
6098 fetch_ventry(const Obj_Entry *obj, unsigned long symnum)  in fetch_ventry()
6123 	Obj_Entry *obj;  in _rtld_is_dlopened()
6142 obj_remap_relro(Obj_Entry *obj, int prot)  in obj_remap_relro()
6166 obj_disable_relro(Obj_Entry *obj)  in obj_disable_relro()
6172 obj_enforce_relro(Obj_Entry *obj)  in obj_enforce_relro()
6199 	Obj_Entry *obj;  in distribute_static_tls()