]> git.saurik.com Git - apple/dyld.git/blobdiff - testing/kernel-cache-tests/bundle-ids/test.py
dyld-832.7.1.tar.gz
[apple/dyld.git] / testing / kernel-cache-tests / bundle-ids / test.py
diff --git a/testing/kernel-cache-tests/bundle-ids/test.py b/testing/kernel-cache-tests/bundle-ids/test.py
new file mode 100644 (file)
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--- /dev/null
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+#!/usr/bin/python2.7
+
+import os
+import KernelCollection
+
+# This verifies that we are able to build a kernel collection with a kernel and kext's referenced as bundle id's
+
+def check(kernel_cache):
+    kernel_cache.buildKernelCollection("arm64", "/bundle-ids/main.kc", "/bundle-ids/main.kernel", "/bundle-ids/extensions", ["com.apple.foo", "com.apple.bar"], [])
+    kernel_cache.analyze("/bundle-ids/main.kc", ["-layout", "-arch", "arm64"])
+
+    assert len(kernel_cache.dictionary()["cache-segments"]) == 6
+    assert kernel_cache.dictionary()["cache-segments"][0]["name"] == "__TEXT"
+    assert kernel_cache.dictionary()["cache-segments"][0]["vmAddr"] == "0x0"
+    assert kernel_cache.dictionary()["cache-segments"][1]["name"] == "__PRELINK_TEXT"
+    assert kernel_cache.dictionary()["cache-segments"][1]["vmAddr"] == "0x4000"
+    assert kernel_cache.dictionary()["cache-segments"][2]["name"] == "__TEXT_EXEC"
+    assert kernel_cache.dictionary()["cache-segments"][2]["vmAddr"] == "0xC000"
+    assert kernel_cache.dictionary()["cache-segments"][3]["name"] == "__PRELINK_INFO"
+    assert kernel_cache.dictionary()["cache-segments"][3]["vmAddr"] == "0x18000"
+    assert kernel_cache.dictionary()["cache-segments"][4]["name"] == "__DATA"
+    assert kernel_cache.dictionary()["cache-segments"][4]["vmAddr"] == "0x1C000"
+    assert kernel_cache.dictionary()["cache-segments"][5]["name"] == "__LINKEDIT"
+    assert kernel_cache.dictionary()["cache-segments"][5]["vmAddr"] == "0x20000"
+
+    assert len(kernel_cache.dictionary()["dylibs"]) == 3
+    # main.kernel
+    assert kernel_cache.dictionary()["dylibs"][0]["name"].endswith("com.apple.kernel")
+    assert len(kernel_cache.dictionary()["dylibs"][0]["segments"]) == 3
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["name"] == "__TEXT"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["vmAddr"] == "0xC000"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["name"] == "__TEXT_EXEC"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["vmAddr"] == "0x10000"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["name"] == "__LINKEDIT"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["vmAddr"] == "0x20000"
+    # bar.kext
+    assert kernel_cache.dictionary()["dylibs"][1]["name"].endswith("bar")
+    assert len(kernel_cache.dictionary()["dylibs"][1]["segments"]) == 4
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][0]["name"] == "__TEXT"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][0]["vmAddr"] == "0x4000"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][1]["name"] == "__TEXT_EXEC"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][1]["vmAddr"] == "0x14000"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][2]["name"] == "__DATA"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][2]["vmAddr"] == "0x1C000"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][3]["name"] == "__LINKEDIT"
+    assert kernel_cache.dictionary()["dylibs"][1]["segments"][3]["vmAddr"] == "0x20000"
+    # foo.kext
+    assert kernel_cache.dictionary()["dylibs"][2]["name"].endswith("foo")
+    assert len(kernel_cache.dictionary()["dylibs"][2]["segments"]) == 4
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][0]["name"] == "__TEXT"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][0]["vmAddr"] == "0x8000"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][1]["name"] == "__TEXT_EXEC"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][1]["vmAddr"] == "0x14030"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][2]["name"] == "__DATA"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][2]["vmAddr"] == "0x1C010"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][3]["name"] == "__LINKEDIT"
+    assert kernel_cache.dictionary()["dylibs"][2]["segments"][3]["vmAddr"] == "0x20000"
+
+    # Check the fixups
+    kernel_cache.analyze("/bundle-ids/main.kc", ["-fixups", "-arch", "arm64"])
+    assert len(kernel_cache.dictionary()["fixups"]) == 2
+    assert kernel_cache.dictionary()["fixups"]["0x1C000"] == "kc(0) + 0x14000"
+    assert kernel_cache.dictionary()["fixups"]["0x1C010"] == "kc(0) + 0x1C018"
+    assert len(kernel_cache.dictionary()["dylibs"]) == 3
+    assert kernel_cache.dictionary()["dylibs"][0]["name"].endswith("com.apple.kernel")
+    assert kernel_cache.dictionary()["dylibs"][0]["fixups"] == "none"
+    assert kernel_cache.dictionary()["dylibs"][1]["name"].endswith("bar")
+    assert kernel_cache.dictionary()["dylibs"][1]["fixups"] == "none"
+    assert kernel_cache.dictionary()["dylibs"][2]["name"].endswith("foo")
+    assert kernel_cache.dictionary()["dylibs"][2]["fixups"] == "none"
+
+
+# [~]> 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
+# [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info foo.c -o extensions/foo.kext/foo
+# [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info bar.c -o extensions/bar.kext/bar
+# [~]> rm -r extensions/*.kext/*.ld
+