projects / apple / dyld.git / blame
| Commit | Line | Data |
|---|---|---|
| bc3b7c8c A |
1 | #!/usr/bin/python2.7 |
| 2 | ||
| 3 | import os | |
| 4 | import KernelCollection | |
| 5 | ||
| 6 | ||
| 7 | def check(kernel_cache): | |
| 8 | kernel_cache.buildKernelCollection("arm64", "/hello-world-kernel/main.kc", "/hello-world-kernel/main.kernel", None, [], []) | |
| 9 | ||
| 10 | # Check the layout | |
| 11 | kernel_cache.analyze("/hello-world-kernel/main.kc", ["-layout", "-arch", "arm64"]) | |
| 12 | ||
| 13 | assert len(kernel_cache.dictionary()["cache-segments"]) == 6 | |
| 14 | assert kernel_cache.dictionary()["cache-segments"][0]["name"] == "__TEXT" | |
| 15 | assert kernel_cache.dictionary()["cache-segments"][0]["vmAddr"] == "0x0" | |
| 16 | assert kernel_cache.dictionary()["cache-segments"][1]["name"] == "__PRELINK_TEXT" | |
| 17 | assert kernel_cache.dictionary()["cache-segments"][1]["vmAddr"] == "0x4000" | |
| 18 | assert kernel_cache.dictionary()["cache-segments"][2]["name"] == "__TEXT_EXEC" | |
| 19 | assert kernel_cache.dictionary()["cache-segments"][2]["vmAddr"] == "0x4000" | |
| 20 | assert kernel_cache.dictionary()["cache-segments"][3]["name"] == "__PRELINK_INFO" | |
| 21 | assert kernel_cache.dictionary()["cache-segments"][3]["vmAddr"] == "0xC000" | |
| 22 | assert kernel_cache.dictionary()["cache-segments"][4]["name"] == "__DATA" | |
| 23 | assert kernel_cache.dictionary()["cache-segments"][4]["vmAddr"] == "0x10000" | |
| 24 | assert kernel_cache.dictionary()["cache-segments"][5]["name"] == "__LINKEDIT" | |
| 25 | assert kernel_cache.dictionary()["cache-segments"][5]["vmAddr"] == "0x18000" | |
| 26 | ||
| 27 | assert len(kernel_cache.dictionary()["dylibs"]) == 1 | |
| 28 | assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel" | |
| 29 | assert len(kernel_cache.dictionary()["dylibs"][0]["segments"]) == 4 | |
| 30 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["name"] == "__TEXT" | |
| 31 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][0]["vmAddr"] == "0x4000" | |
| 32 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["name"] == "__DATA" | |
| 33 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][1]["vmAddr"] == "0x10000" | |
| 34 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["name"] == "__TEXT_EXEC" | |
| 35 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][2]["vmAddr"] == "0x8000" | |
| 36 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["name"] == "__LINKEDIT" | |
| 37 | assert kernel_cache.dictionary()["dylibs"][0]["segments"][3]["vmAddr"] == "0x18000" | |
| 38 | ||
| 39 | # Check the entry point | |
| 40 | kernel_cache.analyze("/hello-world-kernel/main.kc", ["-entrypoint", "-arch", "arm64"]) | |
| 41 | assert kernel_cache.dictionary()["entrypoint"] == "0x8000" | |
| 42 | ||
| 43 | # Check the fixups | |
| 44 | kernel_cache.analyze("/hello-world-kernel/main.kc", ["-fixups", "-arch", "arm64"]) | |
| 45 | assert len(kernel_cache.dictionary()["fixups"]) == 4 | |
| 46 | assert kernel_cache.dictionary()["fixups"]["0x10000"] == "kc(0) + 0x10028" | |
| 47 | assert kernel_cache.dictionary()["fixups"]["0x10008"] == "kc(0) + 0x10028" | |
| 48 | assert kernel_cache.dictionary()["fixups"]["0x10018"] == "kc(0) + 0x1002C" | |
| 49 | assert kernel_cache.dictionary()["fixups"]["0x10020"] == "kc(0) + 0x1002D" | |
| 50 | assert len(kernel_cache.dictionary()["dylibs"]) == 1 | |
| 51 | assert kernel_cache.dictionary()["dylibs"][0]["name"] == "com.apple.kernel" | |
| 52 | assert kernel_cache.dictionary()["dylibs"][0]["fixups"] == "none" | |
| 53 | ||
| 54 | # [~]> 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 | |
| 55 |