50 extern int load_segments(struct elf_module *module, Elf_Ehdr *elf_hdr);
52 static int prepare_dynlinking(struct elf_module *module) {  in prepare_dynlinking()  argument
53 	Elf_Dyn  *dyn_entry = module->dyn_table;  in prepare_dynlinking()
64 			if (module->nr_needed < MAX_NR_DEPS)  in prepare_dynlinking()
65 				module->needed[module->nr_needed++] = dyn_entry->d_un.d_ptr;  in prepare_dynlinking()
72 			module->hash_table =  in prepare_dynlinking()
73 				(Elf_Word*)module_get_absolute(dyn_entry->d_un.d_ptr, module);  in prepare_dynlinking()
76 			module->ghash_table =  in prepare_dynlinking()
77 				(Elf_Word*)module_get_absolute(dyn_entry->d_un.d_ptr, module);  in prepare_dynlinking()
80 			module->str_table =  in prepare_dynlinking()
81 				(char*)module_get_absolute(dyn_entry->d_un.d_ptr, module);  in prepare_dynlinking()
84 			module->sym_table =  in prepare_dynlinking()
85 				module_get_absolute(dyn_entry->d_un.d_ptr, module);  in prepare_dynlinking()
88 			module->strtable_size = dyn_entry->d_un.d_val;  in prepare_dynlinking()
91 			module->syment_size = dyn_entry->d_un.d_val;  in prepare_dynlinking()
94 			module->got = module_get_absolute(dyn_entry->d_un.d_ptr, module);  in prepare_dynlinking()
110 extern int perform_relocation(struct elf_module *module, Elf_Rel *rel);
111 extern int resolve_symbols(struct elf_module *module);
113 static int extract_operations(struct elf_module *module) {  in extract_operations()  argument
119 	ctors_start = module_find_symbol("__ctors_start", module);  in extract_operations()
120 	ctors_end = module_find_symbol("__ctors_end", module);  in extract_operations()
127 		start = module_get_absolute(ctors_start->st_value, module);  in extract_operations()
128 		end = module_get_absolute(ctors_end->st_value, module);  in extract_operations()
145 		module->ctors = ctors;  in extract_operations()
148 	dtors_start = module_find_symbol("__dtors_start", module);  in extract_operations()
149 	dtors_end = module_find_symbol("__dtors_end", module);  in extract_operations()
156 		start = module_get_absolute(dtors_start->st_value, module);  in extract_operations()
157 		end = module_get_absolute(dtors_end->st_value, module);  in extract_operations()
175 		module->dtors = dtors;  in extract_operations()
182 int module_load(struct elf_module *module) {  in module_load()  argument
190 	if (module_find(module->name) != NULL) {  in module_load()
191 		dprintf("Module %s is already loaded.\n", module->name);  in module_load()
196 	res = image_load(module);  in module_load()
199 		dprintf("Image load failed for %s\n", module->name);  in module_load()
204 	module->shallow = 0;  in module_load()
206 	CHECKED(res, image_read(&elf_hdr, sizeof(Elf_Ehdr), module), error);  in module_load()
216 	CHECKED(res, load_segments(module, &elf_hdr), error);  in module_load()
219 	CHECKED(res, prepare_dynlinking(module), error);  in module_load()
225 	if (module->str_table) {  in module_load()
232 		for (i = module->nr_needed - 1; i >= 0; i--) {  in module_load()
236 			dep = module->str_table + module->needed[i];  in module_load()
258 	CHECKED(res, check_symbols(module), error);  in module_load()
261 	main_sym = module_find_symbol("main", module);  in module_load()
263 		module->main_func =  in module_load()
264 			module_get_absolute(main_sym->st_value, module);  in module_load()
269 	list_add(&module->list, &modules_head);  in module_load()
272 	resolve_symbols(module);  in module_load()
275 	CHECKED(res, extract_operations(module), error);  in module_load()
282 	image_unload(module);  in module_load()
292 	for (ctor = module->ctors; ctor && *ctor; ctor++)  in module_load()
302 	list_del_init(&module->list);  in module_load()
304 	if (module->module_addr != NULL) {  in module_load()
305 		elf_free(module->module_addr);  in module_load()
306 		module->module_addr = NULL;  in module_load()
309 	image_unload(module);  in module_load()
312 	memset(&module->u, 0, sizeof module->u);  in module_load()