Cross Reference: /external/syslinux/com32/lib/sys/module/elf

Lines Matching refs:module
17 #include <sys/module.h>
50 extern int load_segments(struct elf_module *module, Elf_Ehdr *elf_hdr);
52 static int prepare_dynlinking(struct elf_module *module) {
53 	Elf_Dyn  *dyn_entry = module->dyn_table;
64 			if (module->nr_needed < MAX_NR_DEPS)
65 				module->needed[module->nr_needed++] = dyn_entry->d_un.d_ptr;
72 			module->hash_table =
73 				(Elf_Word*)module_get_absolute(dyn_entry->d_un.d_ptr, module);
76 			module->ghash_table =
77 				(Elf_Word*)module_get_absolute(dyn_entry->d_un.d_ptr, module);
80 			module->str_table =
81 				(char*)module_get_absolute(dyn_entry->d_un.d_ptr, module);
84 			module->sym_table =
85 				module_get_absolute(dyn_entry->d_un.d_ptr, module);
88 			module->strtable_size = dyn_entry->d_un.d_val;
91 			module->syment_size = dyn_entry->d_un.d_val;
94 			module->got = module_get_absolute(dyn_entry->d_un.d_ptr, module);
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) {
119 	ctors_start = module_find_symbol("__ctors_start", module);
120 	ctors_end = module_find_symbol("__ctors_end", module);
127 		start = module_get_absolute(ctors_start->st_value, module);
128 		end = module_get_absolute(ctors_end->st_value, module);
145 		module->ctors = ctors;
148 	dtors_start = module_find_symbol("__dtors_start", module);
149 	dtors_end = module_find_symbol("__dtors_end", module);
156 		start = module_get_absolute(dtors_start->st_value, module);
157 		end = module_get_absolute(dtors_end->st_value, module);
175 		module->dtors = dtors;
181 // Loads the module into the system
182 int module_load(struct elf_module *module) {
190 	if (module_find(module->name) != NULL) {
191 		dprintf("Module %s is already loaded.\n", module->name);
196 	res = image_load(module);
199 		dprintf("Image load failed for %s\n", module->name);
203 	// The module is a fully featured dynamic library
204 	module->shallow = 0;
206 	CHECKED(res, image_read(&elf_hdr, sizeof(Elf_Ehdr), module), error);
216 	CHECKED(res, load_segments(module, &elf_hdr), error);
219 	CHECKED(res, prepare_dynlinking(module), error);
225 	if (module->str_table) {
232 		for (i = module->nr_needed - 1; i >= 0; i--) {
236 			dep = module->str_table + module->needed[i];
258 	CHECKED(res, check_symbols(module), error);
261 	main_sym = module_find_symbol("main", module);
263 		module->main_func =
264 			module_get_absolute(main_sym->st_value, module);
268 	// Add the module at the beginning of the module list
269 	list_add(&module->list, &modules_head);
272 	resolve_symbols(module);
275 	CHECKED(res, extract_operations(module), error);
277 	//dprintf("module->symtable_size = %d\n", module->symtable_size);
279 	//print_elf_symbols(module);
282 	image_unload(module);
286 			module->name,
287 			(module->main_func == NULL) ? NULL : *(module->main_func),
288 			(module->init_func == NULL) ? NULL : *(module->init_func),
289 			(module->exit_func == NULL) ? NULL : *(module->exit_func));
292 	for (ctor = module->ctors; ctor && *ctor; ctor++)
301 	// Remove the module from the module list (if applicable)
302 	list_del_init(&module->list);
304 	if (module->module_addr != NULL) {
305 		elf_free(module->module_addr);
306 		module->module_addr = NULL;
309 	image_unload(module);
311 	// Clear the execution part of the module buffer
312 	memset(&module->u, 0, sizeof module->u);