16  * The rule section consists of four null-terminated strings per
23  *      Type of the kABI rule. Must be one of the tags defined below.
26  *      Rule-dependent target, typically the fully qualified name of
30  *      Rule-dependent value.
38  * Rule: declonly
45  * Rule: enumerator_ignore
51  * Rule: enumerator_value
66 struct rule {  struct
73 /* { type, target } -> struct rule */  argument
82 static inline unsigned int rule_hash(const struct rule *rule)  in rule_hash()  argument
84 	return rule_values_hash(rule->type, rule->target);  in rule_hash()
178 		error("kABI rule section too small: %zd bytes", left);  in kabi_read_rules()
186 		struct rule *rule;  in kabi_read_rules()  local
192 			error("unsupported kABI rule version: '%s'", field);  in kabi_read_rules()
205 			error("unsupported kABI rule type: '%s'", field);  in kabi_read_rules()
207 		rule = xmalloc(sizeof(struct rule));  in kabi_read_rules()
209 		rule->type = type;  in kabi_read_rules()
210 		rule->target = xstrdup(get_rule_field(&rule_str, &left));  in kabi_read_rules()
211 		rule->value = xstrdup(get_rule_field(&rule_str, &left));  in kabi_read_rules()
213 		hash_add(rules, &rule->hash, rule_hash(rule));  in kabi_read_rules()
215 		debug("kABI rule: type: '%s', target: '%s', value: '%s'", field,  in kabi_read_rules()
216 		      rule->target, rule->value);  in kabi_read_rules()
227 	struct rule *rule;  in kabi_is_declonly()  local
234 	hash_for_each_possible(rules, rule, hash,  in kabi_is_declonly()
236 		if (rule->type == KABI_RULE_TYPE_DECLONLY &&  in kabi_is_declonly()
237 		    !strcmp(fqn, rule->target))  in kabi_is_declonly()
271 	struct rule *rule;  in kabi_is_enumerator_ignored()  local
282 		rules, rule, hash,  in kabi_is_enumerator_ignored()
284 		if (rule->type == KABI_RULE_TYPE_ENUMERATOR_IGNORE &&  in kabi_is_enumerator_ignored()
285 		    !strcmp(target, rule->target)) {  in kabi_is_enumerator_ignored()
299 	struct rule *rule;  in kabi_get_enumerator_value()  local
309 	hash_for_each_possible(rules, rule, hash,  in kabi_get_enumerator_value()
312 		if (rule->type == KABI_RULE_TYPE_ENUMERATOR_VALUE &&  in kabi_get_enumerator_value()
313 		    !strcmp(target, rule->target)) {  in kabi_get_enumerator_value()
314 			*value = get_ulong_value(rule->value);  in kabi_get_enumerator_value()
327 	struct rule *rule;  in kabi_free()  local
329 	hash_for_each_safe(rules, rule, tmp, hash) {  in kabi_free()
330 		free((void *)rule->target);  in kabi_free()
331 		free((void *)rule->value);  in kabi_free()
332 		free(rule);  in kabi_free()