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https://github.com/darlinghq/darling-dyld.git
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33 lines
1.7 KiB
Python
33 lines
1.7 KiB
Python
#!/usr/bin/python2.7
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import os
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import KernelCollection
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# Verify that an auxKC references the UUID of the base KC
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def check(kernel_cache):
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# First build a kernel collection
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kernel_cache.buildKernelCollection("arm64", "/auxkc-uuid/main.kc", "/auxkc-uuid/main.kernel", "/auxkc-uuid/extensions", [], [])
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kernel_cache.analyze("/auxkc-uuid/main.kc", ["-layout", "-arch", "arm64"])
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# Check the kernel UUID
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kernel_cache.analyze("/auxkc-uuid/main.kc", ["-uuid", "-arch", "arm64"])
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kernelUUID = kernel_cache.dictionary()["uuid"]
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assert kernelUUID != "00000000-0000-0000-0000-000000000000"
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assert kernelUUID == kernel_cache.dictionary()["prelink-info-uuid"]
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# Now build an aux cache using the baseline kernel collection
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kernel_cache.buildAuxKernelCollection("arm64", "/auxkc-uuid/aux.kc", "/auxkc-uuid/main.kc", "", "/auxkc-uuid/extensions", ["com.apple.foo", "com.apple.bar"], [])
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# Check the aux UUID
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kernel_cache.analyze("/auxkc-uuid/aux.kc", ["-uuid", "-arch", "arm64"])
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assert kernel_cache.dictionary()["uuid"] != "00000000-0000-0000-0000-000000000000"
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assert kernel_cache.dictionary()["prelink-info-base-uuid"] == kernelUUID
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# [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-static -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-rename_section,__TEXT,__text,__TEXT_EXEC,__text -Wl,-e,__start -Wl,-pagezero_size,0x0 -Wl,-pie main.c -o main.kernel
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# [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info foo.c -o extensions/foo.kext/foo
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# [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info bar.c -o extensions/bar.kext/bar
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# [~]> rm -r extensions/*.kext/*.ld
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