testing/kernel-cache-tests/rwx-permissions-error/test.py

   1 #!/usr/bin/python2.7
   2
   3 import os
   4 import KernelCollection
   5
   6 # Check errors from canBePlacedInKernelCollection()
   7 # All arm64* binaries cannot use RWX permissions
   8
   9 def check(kernel_cache):
  10     kernel_cache.buildKernelCollection("arm64", "/rwx-permissions-error/main.kc", "/rwx-permissions-error/main.kernel", "", [], ["-json-errors"])
  11     assert len(kernel_cache.dictionary()) == 1
  12     # kernel
  13     assert kernel_cache.dictionary()[0]["id"] == "com.apple.kernel"
  14     assert len(kernel_cache.dictionary()[0]["errors"]) == 1
  15     assert kernel_cache.dictionary()[0]["errors"][0] == "cannot be placed in kernel collection because: Segments are not allowed to be both writable and executable"
  16
  17
  18 # [~]> xcrun -sdk iphoneos 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 -segprot __RWX rwx rwx main.c -o main.kernel
  19