dyld-832.7.1.tar.gz

[apple/dyld.git] / testing / kernel-cache-tests / hello-world-kernel / test.py

diff --git a/testing/kernel-cache-tests/hello-world-kernel/test.py b/testing/kernel-cache-tests/hello-world-kernel/test.py
new file mode 100755 (executable)
index 0000000..0fe437d
--- /dev/null
+++ b/testing/kernel-cache-tests/hello-world-kernel/test.py
@@ -0,0 +1,55 @@
+#!/usr/bin/python2.7
+
+import os
+import KernelCollection
+
+
+def check(kernel_cache):
+    kernel_cache.buildKernelCollection("arm64", "/hello-world-kernel/main.kc", "/hello-world-kernel/main.kernel", None, [], [])
+
+    # Check the layout
+    kernel_cache.analyze("/hello-world-kernel/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"] == "0x4000"
+    assert kernel_cache.dictionary()["cache-segments"][3]["name"] == "__PRELINK_INFO"
+    assert kernel_cache.dictionary()["cache-segments"][3]["vmAddr"] == "0xC000"
+    assert kernel_cache.dictionary()["cache-segments"][4]["name"] == "__DATA"
+    assert kernel_cache.dictionary()["cache-segments"][4]["vmAddr"] == "0x10000"
+    assert kernel_cache.dictionary()["cache-segments"][5]["name"] == "__LINKEDIT"
+    assert kernel_cache.dictionary()["cache-segments"][5]["vmAddr"] == "0x18000"
+
+    assert len(kernel_cache.dictionary()["dylibs"]) == 1
+    assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel"
+    assert len(kernel_cache.dictionary()["dylibs"][0]["segments"]) == 4
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["name"] == "__TEXT"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["vmAddr"] == "0x4000"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["name"] == "__DATA"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["vmAddr"] == "0x10000"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["name"] == "__TEXT_EXEC"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["vmAddr"] == "0x8000"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["name"] == "__LINKEDIT"
+    assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["vmAddr"] == "0x18000"
+
+    # Check the entry point
+    kernel_cache.analyze("/hello-world-kernel/main.kc", ["-entrypoint", "-arch", "arm64"])
+    assert kernel_cache.dictionary()["entrypoint"] == "0x8000"
+
+    # Check the fixups
+    kernel_cache.analyze("/hello-world-kernel/main.kc", ["-fixups", "-arch", "arm64"])
+    assert len(kernel_cache.dictionary()["fixups"]) == 4
+    assert kernel_cache.dictionary()["fixups"]["0x10000"] == "kc(0) + 0x10028"
+    assert kernel_cache.dictionary()["fixups"]["0x10008"] == "kc(0) + 0x10028"
+    assert kernel_cache.dictionary()["fixups"]["0x10018"] == "kc(0) + 0x1002C"
+    assert kernel_cache.dictionary()["fixups"]["0x10020"] == "kc(0) + 0x1002D"
+    assert len(kernel_cache.dictionary()["dylibs"]) == 1
+    assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel"
+    assert kernel_cache.dictionary()["dylibs"][0]["fixups"] == "none"
+
+# [~]> xcrun -sdk iphoneos.internal cc -arch arm64 -Wl,-static -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-e,__start -Wl,-pie main.c -Wl,-pagezero_size,0x0 -Wl,-rename_section,__TEXT,__text,__TEXT_EXEC,__text -o main.kernel  -Wl,-install_name,/usr/lib/swift/split.seg.v2.hack
+