diff options
Diffstat (limited to 'libobjc/objc-private/module-abi-8.h')
| -rw-r--r-- | libobjc/objc-private/module-abi-8.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libobjc/objc-private/module-abi-8.h b/libobjc/objc-private/module-abi-8.h index 7296273..a20e3a3 100644 --- a/libobjc/objc-private/module-abi-8.h +++ b/libobjc/objc-private/module-abi-8.h @@ -145,6 +145,59 @@ struct objc_protocol_list Protocol *list[1]; }; +/* + The compiler generates one of these structures for each class. + + This structure is the definition for classes. + + This structure is generated by the compiler in the executable and + used by the run-time during normal messaging operations. Therefore + some members change type. The compiler generates "char* const" and + places a string in the following member variables: super_class. +*/ +struct objc_class { + struct objc_class* class_pointer; /* Pointer to the class's meta + class. */ + struct objc_class* super_class; /* Pointer to the super + class. NULL for class + Object. */ + const char* name; /* Name of the class. */ + long version; /* Unknown. */ + unsigned long info; /* Bit mask. See class masks + defined above. */ + long instance_size; /* Size in bytes of the class. + The sum of the class + definition and all super + class definitions. */ +#ifdef _WIN64 + /* We pad the structure manually to prevent warning when -Wpadded is + used. The compiler automatically pads the structures that it + generates, so this manually padded structure still matches the + one generated by the compiler, but if we don't pad manually, + -Wpadded detects that padding is being added and generates + annoying warnings. This hack is necessary as on LLP64 targets + sizeof (long) isn't equal to sizeof (void *). */ + long pad; +#endif + struct objc_ivar_list* ivars; /* Pointer to a structure that + describes the instance + variables in the class + definition. NULL indicates + no instance variables. + Does not include super + class variables. */ + struct objc_method_list* methods; /* Linked list of instance + methods defined for the + class. */ + struct sarray * dtable; /* Pointer to instance method + dispatch table. */ + struct objc_class* subclass_list; /* Subclasses */ + struct objc_class* sibling_class; + + struct objc_protocol_list *protocols; /* Protocols conformed to */ + void* gc_object_type; +}; + /* The compiler generates one of these structures for each category. A class may have many categories and contain both instance and factory methods. */ |