X-Git-Url: https://git.saurik.com/apple/dyld.git/blobdiff_plain/d3f1e533acc7f70659b8bde9b6c040974f05e03b..bc3b7c8cda49ed8598284a489c0bb9694c67c6a4:/testing/kernel-cache-tests/ctf-arm64e/test.py diff --git a/testing/kernel-cache-tests/ctf-arm64e/test.py b/testing/kernel-cache-tests/ctf-arm64e/test.py new file mode 100644 index 0000000..60e6822 --- /dev/null +++ b/testing/kernel-cache-tests/ctf-arm64e/test.py @@ -0,0 +1,99 @@ +#!/usr/bin/python2.7 + +import os +import KernelCollection + +# This is the fixups-arm64e test, but with __CTF inserted so that we can see that CTF doesn't impact the result +# Note the ctf.txt file is 16k just to ensure that if its vm addr wasn't updated, we'd exceed the size of __LINKEDIT with the __CTF + + +def check(kernel_cache): + kernel_cache.buildKernelCollection("arm64e", "/ctf-arm64e/main.kc", "/ctf-arm64e/main.kernel", "/ctf-arm64e/extensions", ["com.apple.foo", "com.apple.bar"], []) + kernel_cache.analyze("/ctf-arm64e/main.kc", ["-layout", "-arch", "arm64e"]) + + 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"] == "0xFFFFFFF007004000" + assert kernel_cache.dictionary()["cache-segments"][1]["name"] == "__PRELINK_TEXT" + assert kernel_cache.dictionary()["cache-segments"][1]["vmAddr"] == "0xFFFFFFF007008000" + assert kernel_cache.dictionary()["cache-segments"][2]["name"] == "__TEXT_EXEC" + assert kernel_cache.dictionary()["cache-segments"][2]["vmAddr"] == "0xFFFFFFF007010000" + assert kernel_cache.dictionary()["cache-segments"][3]["name"] == "__PRELINK_INFO" + assert kernel_cache.dictionary()["cache-segments"][3]["vmAddr"] == "0xFFFFFFF00701C000" + assert kernel_cache.dictionary()["cache-segments"][4]["name"] == "__DATA" + assert kernel_cache.dictionary()["cache-segments"][4]["vmAddr"] == "0xFFFFFFF007020000" + assert kernel_cache.dictionary()["cache-segments"][5]["name"] == "__LINKEDIT" + assert kernel_cache.dictionary()["cache-segments"][5]["vmAddr"] == "0xFFFFFFF007030000" + + assert len(kernel_cache.dictionary()["dylibs"]) == 3 + # main.kernel + assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel" + assert len(kernel_cache.dictionary()["dylibs"][0]["segments"]) == 5 + assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["name"] == "__TEXT" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["vmAddr"] == "0xFFFFFFF007010000" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["name"] == "__DATA" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["vmAddr"] == "0xFFFFFFF007020000" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["name"] == "__TEXT_EXEC" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["vmAddr"] == "0xFFFFFFF007014000" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["name"] == "__CTF" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["vmAddr"] == "0xFFFFFFF007008000" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["vmSize"] == "0x0" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["sections"][0]["vmAddr"] == "0xFFFFFFF007008000" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["sections"][0]["vmSize"] == "0x0" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][4]["name"] == "__LINKEDIT" + assert kernel_cache.dictionary()["dylibs"][0]["segments"][4]["vmAddr"] == "0xFFFFFFF007030000" + # bar.kext + assert kernel_cache.dictionary()["dylibs"][1]["name"] == "com.apple.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"] == "0xFFFFFFF007008000" + assert kernel_cache.dictionary()["dylibs"][1]["segments"][1]["name"] == "__TEXT_EXEC" + assert kernel_cache.dictionary()["dylibs"][1]["segments"][1]["vmAddr"] == "0xFFFFFFF007018000" + assert kernel_cache.dictionary()["dylibs"][1]["segments"][2]["name"] == "__DATA" + assert kernel_cache.dictionary()["dylibs"][1]["segments"][2]["vmAddr"] == "0xFFFFFFF00702C000" + assert kernel_cache.dictionary()["dylibs"][1]["segments"][3]["name"] == "__LINKEDIT" + assert kernel_cache.dictionary()["dylibs"][1]["segments"][3]["vmAddr"] == "0xFFFFFFF007030000" + # foo.kext + assert kernel_cache.dictionary()["dylibs"][2]["name"] == "com.apple.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"] == "0xFFFFFFF00700C000" + assert kernel_cache.dictionary()["dylibs"][2]["segments"][1]["name"] == "__TEXT_EXEC" + assert kernel_cache.dictionary()["dylibs"][2]["segments"][1]["vmAddr"] == "0xFFFFFFF007018040" + assert kernel_cache.dictionary()["dylibs"][2]["segments"][2]["name"] == "__DATA" + assert kernel_cache.dictionary()["dylibs"][2]["segments"][2]["vmAddr"] == "0xFFFFFFF00702C010" + assert kernel_cache.dictionary()["dylibs"][2]["segments"][3]["name"] == "__LINKEDIT" + assert kernel_cache.dictionary()["dylibs"][2]["segments"][3]["vmAddr"] == "0xFFFFFFF007030000" + + # Check the fixups + kernel_cache.analyze("/ctf-arm64e/main.kc", ["-fixups", "-arch", "arm64e"]) + assert len(kernel_cache.dictionary()["fixups"]) == 11 + # main.kernel: S s = { &func, &func, &g, &func, &g }; + assert kernel_cache.dictionary()["fixups"]["0x1C000"] == "kc(0) + 0xFFFFFFF007014000 auth(IA !addr 0)" + assert kernel_cache.dictionary()["fixups"]["0x1C008"] == "kc(0) + 0xFFFFFFF007014000 auth(IA !addr 0)" + assert kernel_cache.dictionary()["fixups"]["0x1C010"] == "kc(0) + 0xFFFFFFF00702802C" + assert kernel_cache.dictionary()["fixups"]["0x20000"] == "kc(0) + 0xFFFFFFF007014000 auth(IA !addr 0)" + assert kernel_cache.dictionary()["fixups"]["0x20008"] == "kc(0) + 0xFFFFFFF00702802C" + # main.kernel: PackedS ps = { 0, &func, &func, 0, &g, 0, &g }; + assert kernel_cache.dictionary()["fixups"]["0x24004"] == "kc(0) + 0xFFFFFFF007014000 auth(IA !addr 0)" + assert kernel_cache.dictionary()["fixups"]["0x2400C"] == "kc(0) + 0xFFFFFFF007014000 auth(IA !addr 0)" + assert kernel_cache.dictionary()["fixups"]["0x24018"] == "kc(0) + 0xFFFFFFF00702802C" + assert kernel_cache.dictionary()["fixups"]["0x24024"] == "kc(0) + 0xFFFFFFF00702802C" + # bar.kext: __typeof(&bar) barPtr = &bar; + assert kernel_cache.dictionary()["fixups"]["0x28000"] == "kc(0) + 0xFFFFFFF007018000 auth(IA !addr 0)" + # foo.kext: int* gPtr = &g; + assert kernel_cache.dictionary()["fixups"]["0x28010"] == "kc(0) + 0xFFFFFFF00702C018" + assert len(kernel_cache.dictionary()["dylibs"]) == 3 + assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel" + assert kernel_cache.dictionary()["dylibs"][0]["fixups"] == "none" + assert kernel_cache.dictionary()["dylibs"][1]["name"] == "com.apple.bar" + assert kernel_cache.dictionary()["dylibs"][1]["fixups"] == "none" + assert kernel_cache.dictionary()["dylibs"][2]["name"] == "com.apple.foo" + assert kernel_cache.dictionary()["dylibs"][2]["fixups"] == "none" + +# [~]> xcrun -sdk iphoneos.internal cc -arch arm64e -std=c++11 -Wl,-static -mkernel -Wl,-fixup_chains -Wl,-kernel -nostdlib -Wl,-add_split_seg_info -Wl,-e,__start -Wl,-pie main.cpp -Wl,-pagezero_size,0x0 -Wl,-rename_section,__TEXT,__text,__TEXT_EXEC,__text -o main.kernel -Wl,-image_base,0xfffffff007004000 -Wl,-install_name,/usr/lib/swift/split.seg.v2.hack +# [~]> xcrun -sdk macosx.internal ctf_insert main.kernel -arch arm64e ctf.txt -o main.kernel +# [~]> xcrun -sdk iphoneos.internal cc -arch arm64e -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-fixup_chains foo.c -o extensions/foo.kext/foo +# [~]> xcrun -sdk iphoneos.internal cc -arch arm64e -Wl,-kext -mkernel -nostdlib -Wl,-add_split_seg_info -Wl,-fixup_chains bar.c -o extensions/bar.kext/bar +# [~]> rm -r extensions/*.kext/*.ld +