diff options
Diffstat (limited to 'libobjc/objc-private')
| -rw-r--r-- | libobjc/objc-private/module-abi-8.h | 21 | ||||
| -rw-r--r-- | libobjc/objc-private/runtime.h | 2 |
2 files changed, 16 insertions, 7 deletions
diff --git a/libobjc/objc-private/module-abi-8.h b/libobjc/objc-private/module-abi-8.h index 414e5e3..7505a6b 100644 --- a/libobjc/objc-private/module-abi-8.h +++ b/libobjc/objc-private/module-abi-8.h @@ -115,13 +115,15 @@ struct objc_ivar_list problem is a singly linked list of methods. */ struct objc_method { - SEL method_name; /* This variable is the method's name. It - is a char*. The unique integer passed - to objc_msg_send is a char* too. It is - compared against method_name using - strcmp. */ + SEL method_name; /* This variable is the method's name. + The compiler puts a char* here, and + it's replaced by a real SEL at runtime + when the method is registered. */ const char* method_types; /* Description of the method's parameter - list. Useful for debuggers. */ + list. Used when registering the + selector with the runtime. When that + happens, method_name will contain the + method's parameter list. */ IMP method_imp; /* Address of the method in the executable. */ }; @@ -139,7 +141,12 @@ struct objc_method_list }; /* Currently defined in Protocol.m (that definition should go away - once we include this file). */ + once we include this file). Note that a 'struct + objc_method_description' as embedded inside a Protocol uses the + same trick as a 'struct objc_method': the method_name is a 'char *' + according to the compiler, who puts the method name as a string in + there. At runtime, the selectors need to be registered, and the + method_name then becomes a SEL. */ struct objc_method_description_list { int count; diff --git a/libobjc/objc-private/runtime.h b/libobjc/objc-private/runtime.h index b7e75ae..6794d18 100644 --- a/libobjc/objc-private/runtime.h +++ b/libobjc/objc-private/runtime.h @@ -60,6 +60,8 @@ extern void __objc_install_premature_dtable(Class); /* (objc-dispatch.c) */ extern void __objc_resolve_class_links(void); /* (objc-class.c) */ extern void __objc_register_selectors_from_class(Class); /* (objc-sel.c) */ extern void __objc_register_selectors_from_list (struct objc_method_list *); /* (selector.c) */ +extern void __objc_register_selectors_from_description_list +(struct objc_method_description_list *method_list); /* (selector.c) */ extern void __objc_update_dispatch_table_for_class (Class);/* (objc-msg.c) */ extern int __objc_init_thread_system(void); /* thread.c */ |