| | 1 | #!/usr/bin/python2.7 |
| | 2 | |
| | 3 | import os |
| | 4 | import KernelCollection |
| | 5 | |
| | 6 | # codeless kext's are in the PRELINK_INFO in the baseKC, but can be a dependency for auxKC kexts |
| | 7 | |
| | 8 | def check(kernel_cache): |
| | 9 | kernel_cache.buildKernelCollection("arm64", "/auxkc-kext-bind-to-kernel-codeless-kext/main.kc", "/auxkc-kext-bind-to-kernel-codeless-kext/main.kernel", "/auxkc-kext-bind-to-kernel-codeless-kext/extensions-basekc", ["com.apple.bar", "com.apple.codeless"], []) |
| | 10 | kernel_cache.analyze("/auxkc-kext-bind-to-kernel-codeless-kext/main.kc", ["-layout", "-arch", "arm64"]) |
| | 11 | |
| | 12 | assert len(kernel_cache.dictionary()["dylibs"]) == 1 |
| | 13 | assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel" |
| | 14 | |
| | 15 | # Now build an aux cache using the baseline kernel collection |
| | 16 | kernel_cache.buildAuxKernelCollection("arm64", "/auxkc-kext-bind-to-kernel-codeless-kext/aux.kc", "/auxkc-kext-bind-to-kernel-codeless-kext/main.kc", "", "/auxkc-kext-bind-to-kernel-codeless-kext/extensions-auxkc", ["com.apple.foo"], []) |
| | 17 | kernel_cache.analyze("/auxkc-kext-bind-to-kernel-codeless-kext/aux.kc", ["-layout", "-arch", "arm64"]) |
| | 18 | |
| | 19 | # Check the fixups |
| | 20 | kernel_cache.analyze("/auxkc-kext-bind-to-kernel-codeless-kext/aux.kc", ["-fixups", "-arch", "arm64"]) |
| | 21 | assert len(kernel_cache.dictionary()["fixups"]) == 1 |
| | 22 | assert kernel_cache.dictionary()["fixups"]["0x4000"] == "kc(0) + 0x8000" |
| | 23 | assert len(kernel_cache.dictionary()["dylibs"]) == 1 |
| | 24 | assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.foo" |
| | 25 | assert kernel_cache.dictionary()["dylibs"][0]["fixups"] == "none" |
| | 26 | |
| | 27 | # [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-static -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-no_data_const -Wl,-rename_section,__TEXT,__text,__TEXT_EXEC,__text -Wl,-e,__start -Wl,-pagezero_size,0x0 -Wl,-pie main.c -o main.kernel -Wl,-sectcreate,__LINKINFO,__symbolsets,SymbolSets.plist -Wl,-segprot,__LINKINFO,r--,r-- |
| | 28 | # [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-no_data_const foo.c -o extensions/foo.kext/foo |
| | 29 | # [~]> rm -r extensions/foo.kext/*.ld |
| | 30 | |
projects / apple / dyld.git / blame_incremental