In libobjc/:
2010-10-16  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc/runtime.h (class_getIvarLayout): New.
        (class_getWeakIvarLayout): New.
        (class_setIvarLayout): New.
        (class_setWeakIvarLayout): New.
        * ivars.c (class_getIvarLayout): New.
        (class_getWeakIvarLayout): New.
        (class_setIvarLayout): New.
        (class_setWeakIvarLayout): New.

From-SVN: r165533