testing/kernel-cache-tests/kext-vtable-patching-error-small-vtable/test.py

   1 #!/usr/bin/python2.7
   2
   3 import os
   4 import KernelCollection
   5
   6 # Try to patch a vtable, but the parent vtable is too small
   7
   8 def check(kernel_cache):
   9     kernel_cache.buildKernelCollection("x86_64", "/kext-vtable-patching-error-small-vtable/main.kc", "/kext-vtable-patching-error-small-vtable/main.kernel", "/kext-vtable-patching-error-small-vtable/extensions", ["com.apple.foo", "com.apple.bar"], ["-json-errors"])
  10
  11     assert len(kernel_cache.dictionary()) == 1
  12     assert kernel_cache.dictionary()[0]["id"] == "com.apple.bar"
  13     assert len(kernel_cache.dictionary()[0]["errors"]) == 1
  14     assert kernel_cache.dictionary()[0]["errors"][0] == "Malformed vtable.  Super class '__ZTV3Foo' has 40 entries vs subclass '__ZTV3Bar' with 37 entries"
  15
  16 # [~]> xcrun -sdk macosx.internal cc -arch x86_64 -Wl,-static -mkernel -nostdlib -Wl,-e,__start -Wl,-pie main.cpp -Wl,-pagezero_size,0x0 -o main.kernel -Wl,-image_base,0x10000 -Wl,-segaddr,__HIB,0x4000 -Wl,-add_split_seg_info -Wl,-install_name,/usr/lib/swift/split.seg.v2.hack -iwithsysroot /System/Library/Frameworks/Kernel.framework/Headers -Wl,-sectcreate,__LINKINFO,__symbolsets,SymbolSets.plist -Wl,-segprot,__LINKINFO,r--,r--
  17 # [~]> xcrun -sdk macosx.internal cc -arch x86_64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-no_data_const foo.cpp -o extensions/foo.kext/foo -iwithsysroot /System/Library/Frameworks/Kernel.framework/Headers -DFOO_USED=1
  18 # [~]> xcrun -sdk macosx.internal cc -arch x86_64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-no_data_const bar.cpp -o extensions/bar.kext/bar -iwithsysroot /System/Library/Frameworks/Kernel.framework/Headers
  19 # [~]> rm -r extensions/*.kext/*.ld
  20