然而 obj = (id)calloc(1, size) 这一段代码所在位置不再是 libObjc4,它定位到了 libmalloc , 至于愈合定位的大家可以参考笔者前面的文章。这个篇章我们针对 malloc 展开而分析 malloc_zone_t 是一个非常基础结构，里面包…

iOS 汇编 ADRP 虚拟内存 PC寄存器，ADRP指令是iOS汇编中最重要的指令之一，本文尽量详细解读，希望加深大家对这个指令的理解。

Alex Chase | iOS engineer

Photo by lilzidesigns on Unsplash

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