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authornicola <nicola@138bc75d-0d04-0410-961f-82ee72b054a4>2010-10-11 02:36:32 +0000
committernicola <nicola@138bc75d-0d04-0410-961f-82ee72b054a4>2010-10-11 02:36:32 +0000
commit631bc351153ee1d0b70c15ee976b90c57957c851 (patch)
treef2b370a071fcf2d2a1803013ffb11cafc329f866 /libobjc/objc-private
parent3334ecf96eb93c0b3244d778c08036741fa552cf (diff)
In libobjc/:
2010-10-11 Nicola Pero <nicola.pero@meta-innovation.com> * Makefile.in (C_SOURCE_FILES): Added ivars.c. * ivars.c: New. * objc/objc.h: Updated comments. * objc/runtime.h (object_getClass): New. (object_getClassName): New. (object_setClass): New. (class_getInstanceVariable): New. (object_getIndexedIvars): New. (object_getInstanceVariable): New. (object_setInstanceVariable): New. (object_getIvar): New. (object_setIvar): New. (ivar_getName): New. (ivar_getOffset): New. (ivar_getTypeEncoding): New. * objc-private/module-abi-8.h (struct objc_class): Added. * objects.c (object_getClassName): New. (object_setClass): New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@165269 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libobjc/objc-private')
-rw-r--r--libobjc/objc-private/module-abi-8.h53
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 7296273711c..a20e3a3ae6e 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. */