JD Tech
Aug 16, 2018 · Mobile Development
Deep Dive into Objective‑C Object Memory Layout and Runtime Structures
This article explores the low‑level implementation of Objective‑C objects by examining instance memory allocation, the differences between class_getInstanceSize and malloc_size, the internal structures of instance, class, and meta‑class objects, and how isa and superclass pointers link them together.
Objective-Cclass objectios
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