testing/kernel-cache-tests/bundle-libraries-arch/test.py

   1 #!/usr/bin/python2.7
   2
   3 import os
   4 import KernelCollection
   5
   6 # This verifies that OSBundleLibraries in bar's Info.plust appends the arch to find foo
   7
   8 def check(kernel_cache):
   9     kernel_cache.buildKernelCollection("arm64", "/bundle-libraries-arch/main.kc", "/bundle-libraries-arch/main.kernel", "/bundle-libraries-arch/extensions", ["com.apple.foo", "com.apple.bar"], [])
  10     kernel_cache.analyze("/bundle-libraries-arch/main.kc", ["-layout", "-arch", "arm64"])
  11
  12     assert len(kernel_cache.dictionary()["dylibs"]) == 3
  13     assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel"
  14     assert kernel_cache.dictionary()["dylibs"][1]["name"] == "com.apple.bar"
  15     assert kernel_cache.dictionary()["dylibs"][2]["name"] == "com.apple.foo"
  16
  17     # Check the fixups
  18     kernel_cache.analyze("/bundle-libraries-arch/main.kc", ["-fixups", "-arch", "arm64"])
  19     assert len(kernel_cache.dictionary()["fixups"]) == 1
  20     assert kernel_cache.dictionary()["fixups"]["0x18000"] == "kc(0) + 0x14020"
  21     assert len(kernel_cache.dictionary()["dylibs"]) == 3
  22     assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel"
  23     assert kernel_cache.dictionary()["dylibs"][0]["fixups"] == "none"
  24     assert kernel_cache.dictionary()["dylibs"][1]["name"] == "com.apple.bar"
  25     assert kernel_cache.dictionary()["dylibs"][1]["fixups"] == "none"
  26     assert kernel_cache.dictionary()["dylibs"][2]["name"] == "com.apple.foo"
  27     assert kernel_cache.dictionary()["dylibs"][2]["fixups"] == "none"
  28
  29
  30 # [~]> 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
  31 # [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info foo.c -o extensions/foo.kext/foo
  32 # [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info bar.c -o extensions/bar.kext/bar
  33 # [~]> rm -r extensions/*.kext/*.ld
  34