-
-/*
- * /sys/module/foo/sections stuff
- * J. Corbet <corbet@lwn.net>
- */
-#ifdef CONFIG_KALLSYMS
-static void module_sect_attrs_release(struct kobject *kobj)
-{
- kfree(container_of(kobj, struct module_sections, kobj));
-}
-
-static ssize_t module_sect_show(struct kobject *kobj, struct attribute *attr,
- char *buf)
-{
- struct module_sect_attr *sattr =
- container_of(attr, struct module_sect_attr, attr);
- return sprintf(buf, "0x%lx\n", sattr->address);
-}
-
-static struct sysfs_ops module_sect_ops = {
- .show = module_sect_show,
-};
-
-static struct kobj_type module_sect_ktype = {
- .sysfs_ops = &module_sect_ops,
- .release = module_sect_attrs_release,
-};
-
-static void add_sect_attrs(struct module *mod, unsigned int nsect,
- char *secstrings, Elf_Shdr *sechdrs)
-{
- unsigned int nloaded = 0, i;
- struct module_sect_attr *sattr;
-
- if (!mod->mkobj)
- return;
-
- /* Count loaded sections and allocate structures */
- for (i = 0; i < nsect; i++)
- if (sechdrs[i].sh_flags & SHF_ALLOC)
- nloaded++;
- mod->sect_attrs = kmalloc(sizeof(struct module_sections) +
- nloaded*sizeof(mod->sect_attrs->attrs[0]), GFP_KERNEL);
- if (! mod->sect_attrs)
- return;
-
- /* sections entry setup */
- memset(mod->sect_attrs, 0, sizeof(struct module_sections));
- if (kobject_set_name(&mod->sect_attrs->kobj, "sections"))
- goto out;
- mod->sect_attrs->kobj.parent = &mod->mkobj->kobj;
- mod->sect_attrs->kobj.ktype = &module_sect_ktype;
- if (kobject_register(&mod->sect_attrs->kobj))
- goto out;
-
- /* And the section attributes. */
- sattr = &mod->sect_attrs->attrs[0];
- for (i = 0; i < nsect; i++) {
- if (! (sechdrs[i].sh_flags & SHF_ALLOC))
- continue;
- sattr->address = sechdrs[i].sh_addr;
- strlcpy(sattr->name, secstrings + sechdrs[i].sh_name,
- MODULE_SECT_NAME_LEN);
- sattr->attr.name = sattr->name;
- sattr->attr.owner = mod;
- sattr->attr.mode = S_IRUGO;
- (void) sysfs_create_file(&mod->sect_attrs->kobj, &sattr->attr);
- sattr++;
- }
- return;
- out:
- kfree(mod->sect_attrs);
- mod->sect_attrs = NULL;
-}
-
-static void remove_sect_attrs(struct module *mod)
-{
- if (mod->sect_attrs) {
- kobject_unregister(&mod->sect_attrs->kobj);
- mod->sect_attrs = NULL;
- }
-}
-
-
-#else
-static inline void add_sect_attrs(struct module *mod, unsigned int nsect,
- char *sectstrings, Elf_Shdr *sechdrs)
-{
-}
-
-static inline void remove_sect_attrs(struct module *mod)
-{
-}
-#endif /* CONFIG_KALLSYMS */
-
-
-
-