In libobjc/: 2010-10-11 Nicola Pero <nicola.pero@meta-innovation.com>

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.

From-SVN: r165269

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.  */