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summertriangle-dev avatar summertriangle-dev commented on June 12, 2024 1

that top is just an arm binary, no 64:

Mari jailbreakd: dfsdf Ī» lipo -info /Volumes/Home/Desktop/top
Non-fat file: /Volumes/Home/Desktop/top is architecture: arm

(lipo is in your xcode toolchain)

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DimPipal avatar DimPipal commented on June 12, 2024

Ah ha!!!! So i was incorrectly using jtool to check if it was ARM64 I should really use lipo. I feel so stupid now!!!

[root]/bootstrap/bin:jtool -e arch -arch arm64 top
Selected architecture (arm64) starts at 0 and spans 423792 bytes - written to top.arch_arm64
[root]/bootstrap/bin:jtool -e arch -arch arm top
Selected architecture (arm) starts at 0 and spans 423792 bytes - written to top.arch_arm

I've also just realised I was testing the binary on my iPad mini 2 (ios 10.2) which is 64 bit, but am I right in saying that iOS 11 dropped 32 bit support, so the iPad was able to run it but the iOS11 iPhone X wasn't due to that change?

Guess its time to learn now to cross compile for arm64 on a mac!

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