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更新编译libffi最新版本静态库之后，必现iOS15系统在方法替换的时候crash #21

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Sunny-guangge opened this issue Mar 11, 2022 · 2 comments
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更新编译libffi最新版本静态库之后，必现iOS15系统在方法替换的时候crash #21

Sunny-guangge opened this issue Mar 11, 2022 · 2 comments
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@Sunny-guangge Sunny-guangge changed the title 更新编译libffi最新版本静态库之后，必现在方法替换的时候crash 更新编译libffi最新版本静态库之后，必现iOS15系统在方法替换的时候crash Mar 11, 2022
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SilverFruity commented Mar 23, 2022 •
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CEF2EFD979397B71E66A27FBB778B9A2
需要调整最新的 libffi 代码，如上面两个红框内部的。需要对 vm memory 的权限进行修改，但是，如果修改权限失败，仍然会面临同样的问题，后续考虑在 OCRunner 中进行判断处理，如果 allocate trampline 失败，热修复将直接失效。

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但是这个方法有个问题，线上环境并不支持 exe 的执行权限

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