mirror of
https://github.com/lucannez64/darling-lol.git
synced 2026-10-26 19:47:42 +00:00
49 lines
2.9 KiB
Python
49 lines
2.9 KiB
Python
#!/usr/bin/env python3
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"""Build an isolated optimized allocator and its native integrity check."""
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from pathlib import Path
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import shlex
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import subprocess
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import shutil
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root = Path(__file__).resolve().parent.parent
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build = root / "build/darling-src/build"
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component = build / "src/external/libmalloc"
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flags = {}
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for line in (component / "CMakeFiles/system_malloc_obj.dir/flags.make").read_text().splitlines():
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if line.startswith("C_") and " = " in line:
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key, value = line.split(" = ", 1)
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flags[key] = shlex.split(value)
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resource_include = subprocess.check_output(["clang", "-print-resource-dir"], text=True).strip() + "/include"
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flags["C_INCLUDES"] = [resource_include if value.startswith("/usr/lib/clang/") and value.endswith("/include") else value for value in flags["C_INCLUDES"]]
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flags["C_INCLUDES"].append("-I" + str(root / "build/darling-src/src/startup/mldr/elfcalls"))
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link = shlex.split((component / "CMakeFiles/system_malloc.dir/link.txt").read_text())
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objects = [arg for arg in link if arg.startswith("CMakeFiles/system_malloc_obj.dir/") and arg.endswith(".o")]
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for original in objects:
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name = Path(original).name.removesuffix(".o")
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obj = root / ("build/riot-malloc-" + name + ".o")
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extra = ["-DOS_VARIANT_NOTRESOLVED=1", "-DOS_VARIANT_RESOLVED=1"] if name == "nanov2_malloc.c" else []
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subprocess.run(["clang", *flags["C_DEFINES"], *flags["C_INCLUDES"], *flags["C_FLAGS"],
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*extra, "-O2", "-fno-strict-aliasing", "-c",
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str(root / "build/darling-src/src/external/libmalloc/src" / name),
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"-o", str(obj)], check=True)
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link[link.index(original)] = str(obj)
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link[link.index("-o") + 1] = str(root / "build/riot-libsystem_malloc.dylib")
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subprocess.run(link, cwd=component, check=True)
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candidate = root / "build/riot-malloc-check-runtime"
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candidate.mkdir(exist_ok=True)
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shutil.copy2(root / "build/riot-libsystem_malloc.dylib", candidate / "libsystem_malloc.dylib")
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probe_flags = {}
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for line in (build / "src/frameworks/CoreVideo/CMakeFiles/CoreVideo.dir/flags.make").read_text().splitlines():
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if line.startswith("C_") and " = " in line:
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key, value = line.split(" = ", 1)
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probe_flags[key] = shlex.split(value)
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probe_flags["C_INCLUDES"] = [resource_include if value.startswith("/usr/lib/clang/") and value.endswith("/include") else value for value in probe_flags["C_INCLUDES"]]
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obj = root / "build/riot-malloc-integrity-check.o"
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subprocess.run(["clang", *probe_flags["C_DEFINES"], *probe_flags["C_INCLUDES"],
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*probe_flags["C_FLAGS"], "-O2", "-c", str(root / "tools/riot-malloc-integrity-check.c"),
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"-o", str(obj)], check=True)
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subprocess.run(["clang", "-target", "x86_64-apple-macosx11.0", "-fuse-ld=lld", "-nostdlib",
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"-isysroot", "@DARLING_SDK@", str(obj), "-lSystem",
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"-o", str(root / "build/riot-malloc-integrity-check")], check=True)
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